FIELD OF THE INVENTION :

[0001] The present subject matter described herein relates to welding technology. More specifically, the present invention relates to an appartus for marking and placing a nozzle on a separator of a high-pressure steam generator.

BACKGROUND OF THE INVENTION :
[0002] Background description includes information that may be useful in understanding the present invention. It is not an admission that any of the information provided herein is prior art or relevant to the presently claimed invention, or that any publication specifically or implicitly referenced is prior art.

[0003] The boiler is a steam generator that is used to generate steam by applying heat energy to water. A steam separator, is a device for separating water droplets from steam and these water droplets are collected in collector vessel. In the steam separator and the collector vessel, a nozzle needs to be welded along its side. Usually the steam separator is made of pipe of size 610 mm or 660 mm outer dia and the collector vessel is fabricated from size 760 mm outer dia pipe. The thickness of these pipes is 100 mm. The nozzle to be fitted is made from the pipe of 420 mm outer dia and 97 mm thickness. The material used for the separator is SA 335 GR 91 and the nozzle is made out of SA18F22CL3.

[0004] The nozzle in the separator pipe is levelled with the help of the sprit level and it is preheated to a required temperature. After that guide pieces are welded inside the hole in the steam separator. Lifting Lugs are welded in the nozzle and the nozzle is then lifted using a crane and then the nozzle is positioned in the nozzle fit up hole with the manual force. Then the fit up is checked for its correct dimensions and is further tack welded. The entire nozzle is supported by bridge pieces and supporting plates. Further guide pieces which are welded inside the separator are removed by grinding. Then after welding is completed, bridge pieces and lifting hooks are also removed by grinding.

[0005] The difficulties encountered by the above mentioned method are-Bridge pieces and guide pieces welding is required, preheating is required before tack welding, there is more usage and requirement of manpower, grinding for removal bridge pieces and guide pieces after welding is required, there is a need for magnetic particle inspection (MPI). Lastly, there are more cycle time.

[0006] In view of the above, it is required to develop an apparatus to complete the fitup of nozzle in separator pipes in a simplified way, to reduce the crane dependency, with reduced manpower, and to reduce cycle time in total.

[0007] Hence, the present invention has been introduced, which addresses the shortcomings of the present invention.

OBJECTS OF THE DISCLOSURE :
[0008] It is therefore the object of the present disclosure to overcome the aforementioned and other drawbacks in prior arts.

[0009] It is a primary object of the present disclosure to provide an apparatus to hold and place the nozzle over separator pipes of a boiler for facilitating welding between them.

[0010] It is another object of the present disclosure to reduce cycle time.

[0011] It is another object of the present disclosure to eradicate the welding of bridge pieces and guide plates inside and outside the components and to reduce the grinding action in removing them.

[0012] These and other objects and advantages of the present subject matter will be apparent to a person skilled in the art after consideration of the following detailed description taken into consideration with accompanying drawings in which preferred embodiments of the present subject matter are illustrated.

SUMMARY OF THE INVENTION :
[0013] One or more drawbacks of conventional systems and process are overcome, and additional advantages are provided through the apparatus/composition and a method as claimed in the present disclosure. Additional features and advantages are realized through the technicalities of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered to be part of the claimed disclosure.

[0014] Solution to one or more drawbacks of existing technology and additional advantages are provided through the present disclosure. Additional features and advantages are realized through the technicalities of the present disclosure. Other embodiments and aspects of the disclosure are described in detail herein and are considered to be a part of the claimed disclosure.

[0015] The present disclosure offers a solution in the form of an apparatus to place a nozzle on a separator pipe of a steam generator, including the separator pipe fixed on roller supports, wherein the separator pipe has a nozzle fit up hole to accommodate the nozzle, plates placed over the separator pipe at a required distance, wherein the plates include top base plates and bottom base plates are joined together by a fastener to adjust and accommodate the separator pipe inside, a plurality of supporting units fixed on top of the plates and fastened using fine adjustment locking bolts, nozzle holding clamps connected to the supporting units, wherein the nozzle holding clamps have eye bolts to lift the nozzle, wherein a vertical locking plate is removed to facilitate the seating of the nozzle holding clamp, wherein the nozzle and vertical locking plate is placed over the nozzle holding clamps and tightened using a nozzle holding clamp vertical locking bolt.

[0016] In an aspect of the invention, the nozzle holding clamps are faced opposite to each other.

[0017] In a further aspect of the invention, the supporting units have a cross movement and positioning clamps and a plurality of adjustment bolts located at the back side of the cross movement and positioning clamps.
[0018] In an aspect of the invention, the supporting units have a nozzle holding clamp vertical locking plate and a nozzle holding clamp vertical locking bolt.

[0019] In an aspect of the invention, the nozzle is also adjusted by a vertical fine adjustment bolts.

[0020] In an aspect of the invention, the cross movement and positioning clamps on the supporting units have a U shaped cavity to insert the plates and fasten them to the cross movement and positioning clamps.

[0021] In an aspect of the invention, internal threads are provided at a plurality of positions on the nozzle holding clamps.

[0022] In an aspect of the invention, the nozzle holding clamps are adjusted for a range of diameters using fasteners.

[0023] In an aspect of the invention, the top plates and the bottom plates have a V shape.

[0024] The present invention is defined in the principal claim and subsidiary features have been indicated in the dependent claims.

[0025] The foregoing summary is illustrative only and is not intended to be in any way limiting. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features will become apparent by reference to the drawings and the following detailed description.

[0026] Various objects, features, aspects, and advantages of the inventive subject matter will become more apparent from the following detailed description of preferred embodiments, along with the accompanying drawing figures in which like numerals represent like components.

[0027] It is to be understood that the aspects and embodiments of the disclosure described above may be used in any combination with each other. Several of the aspects and embodiments may be combined to form a further embodiment of the disclosure.
[0028] The foregoing summary is illustrative only and is not intended to be in any way limiting. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features will become apparent by reference to the drawings and the following detailed description.

BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS :
[0029] The illustrated embodiments of the subject matter will be best understood by reference to the drawings, wherein like parts are designated by like numerals throughout. The following description is intended only by way of example, and simply illustrates certain selected embodiments of devices, systems, and processes that are consistent with the subject matter as claimed herein, wherein:-

[0030] It is to be noted, however, that the appended drawings illustrate only typical embodiments of the present subject matter and are therefore not to be considered for limiting of its scope, for the present disclosure may admit to other equally effective embodiments. The detailed description is described with reference to the accompanying figures. In the figures, a reference number identifies the figure in which the reference number first appears. The same numbers are used throughout the figures to reference like features and components. Some embodiments of system or methods or structure in accordance with embodiments of the present subject matter are now described, by way of example, and with reference to the accompanying figures, in which:
[0031] Fig. 1 illustrates an isometric view of nozzle;
[0032] Fig. 2 illustrates an isometric view of separator pipe;
[0033] Fig. 3 illustrates an isometric view of an apparatus;
[0034] Fig. 4 illustrates isometric view of supporting units;
[0035] Fig. 5 illustrates isometric view of the nozzle holding clamps;
[0036] Fig. 6(a) and 6(b) illustrates different isometric views of nozzle fitted in the nozzle holding clamps;
[0037] Fig. 7(a) and 7(b) illustrates different isometric views of developed apparatus before the nozzle placed over the separator pipe;
[0038] Fig. 8 illustrates isometric view of the developed apparatus after the nozzle is placed over the separator pipe;
[0039] Fig. 9 illustrates front view of the developed apparatus;
[0040] Fig. 10(a) illustrates side view and Fig. 10(b) illustrates the top view of developed apparatus after the nozzle is placed over the separator pipe;
[0041] Fig. 11(a) illustrates isometric view and Fig. 11(b) illustrates front view of developed apparatus after welding the nozzle with separator pipe.

[0042] A person skilled in the art will easily recognize from the following description that alternative embodiments of the structures and methods illustrated herein may be employed without departing from the principles of the disclosure described herein.

[0043] The figures depict embodiments of the disclosure for purposes of illustration only. One skilled in the art will readily recognize from the following description that alternative embodiments of the structures and methods illustrated herein may be employed without departing from the principles of the disclosure described herein.

DETAIL DESCRIPTION OF INVENTION WITH REFERENCE TO THE ACCOMPANYING DRAWINGS OF THE PREFERRED EMBODIMENTS:
[0044] While the embodiments of the disclosure are subject to various modifications and alternative forms, a specific embodiment thereof has been shown by way of example in the figures and will be described below. It should be understood, however, that it is not intended to limit the disclosure to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure.

[0045] The terms “comprises”, “comprising”, or any other variations thereof used in the disclosure, are intended to cover a non-exclusive inclusion, such that a device, system, assembly that comprises a list of components does not include only those components but may include other components not expressly listed or inherent to such system, or assembly, or device. In other words, one or more elements in a system or device proceeded by “comprises… a” does not, without more constraints, preclude the existence of other elements or additional elements in the system or device.

[0046] The present invention is related to developing an apparatus to hold and place a nozzle over a seprator pipe/pipes of a thermal boiler for facilitating welding between them.

[0047] According to the present invention a nozzle is provided to be welded on the separator pipe. The nozzle is held and fixed by the apparatus. The apparatus includes plates that are situated over the separator pipe, a pair of supporting units are fixed on top of the plates and nozzle holding clamps are connected to the supporting units for holding the nozzle inside the clamps.

[0048] Referring to Fig. 1 and Fig. 2, it shows the nozzle (101) that needs to be fixed and welded over the separator pipe (201) on a nozzle fit up hole (203). The separator pipe (201) is fixed on a roller support so that the separator pipe (201) remains sturdy during fixing the apparatus and welding process. The roller support also provides elevation to the separator pipe (201) to provide a proper base for performing welding process.

[0049] Referring to Fig. 3, the apparatus (300) comprises of plates (301, 302) that are located at a distance from each other on the separator pipe (201). The plates (301, 302) have top base plates (301a, 302a) and bottom base plates (301b, 302b). The top base plates (301a, 302a) and the bottom base plates (301b, 302b) have a ‘V’ shape. Both the top base plates (301a, 302a) and the bottom base plates (301b, 302b) face wach other, forming a space between them, that is also due to the V shape. The space created is then used for accommodating the separator pipe (201).

[0050] The top base plates (301a, 302a) are joined to the bottom base plates (301b, 302b) with the help of a fastener (501) such as bolt and nut. The top base plates (301a, 302a), the bottom base plates (301b, 302b) and the fastener (501) enables to hold the different diameters of separator pipe/pipes (201) and rigidity accordingly.
[0051] The top base plates (301a, 302a) and the bottom base plates (301b, 302b) along with connecting fastener (501) forms a single unit. These units are slided along the separator pipe (201) and the distance between them can also be adjusted according to the requirement and these plates (301, 302) are able to be retained at any place over the separator pipe (201).

[0052] Referring to Fig. 4, pair of two identical supporting units (303a, 303b). The supporting units (303a, 303b) comprise of the cross movement and job positioning and holding clamps (402), a nozzle holding clamp vertical fine adjustment bolt (406), nozzle holding clamp vertical locking plates (404) and nozzle holding clamp vertical locking bolts (405). Further, bolts (403) are provided at the back side of cross movement and job positioning and holding clamps (402).

[0053] The supporting units (303a, 303b) are fixed over the top of the top base plates (301a, 302a) and further tightened by fine adjustment locking bolts (401). The fine adjustment locking bolts (401) are located on the bottom portion of the cross movement and positioning clamps (402). The bottom portion has a substantially U-shaped cavity to accommodate the top base plates (301a, 302a). The top base plates (301a, 302a) are then fastened to the supporting units (303a, 303b) with the fine adjustment locking bolts (401).

[0054] Referring to Fig. 5 and Fig. 6, it shows a nozzle holding clamps (304a, 304b) to hold the nozzle (101). The nozzle holding clamps (304a, 304b) are configured to split up to accommodate the nozzle (101). The nozzle holding clamps (304a, 304b) are adjusted for a range of diameters using fastners (503) such as nozzle holding stud and a nut. Internal threads (502) are provided at four places on tongs of nozzle holding clamps (304a, 304b) for fixing eye bolts (501).

[0055] Referring to Fig. 7, the separator pipe (201) is placed over the roller support (14). The separator pipe (201) has a nozzle fit up hole (203) which is aligned with the dimension of the nozzle (101) that has to be fitted. The top base plates (301a, 302a) and the bottom base plates (301b, 302b) are connected with the help of the fastener (501) and placed over the separator pipe (201) at the required distance.
[0056] Referring to Fig. 8, Fig. 9 and Fig. 10, the supporting units (303a, 303b) are fixed upon the top base plates (301a, 302a) and tightened with the help of the fine adjustment locking bolts (401). The nozzle (101) is placed inside the nozzle holding clamps (304a, 304b) and tightened with the help of the fasteners (503) such as nozzle holding stud with nut. The nozzle (101) along with the nozzle holding clamps (304a, 304b) is lifted with the help of the eye bolts (501) provided on the nozzle holding clamps (304a, 304b).

[0057] In order to align the centre of the nozzle (101) with the nozzle fit up hole (203), only one of the arm of the nozzle holding clamps (304a, 304b) is held fimly on the apparatus (300). Provisioning the fastener (501) to fasten the top base plates (301a, 302a) and the bottom base plates (301b, 302b) that also allow adjusting according to different diameters of separator pipe (201) for welding. Therefore, two such units are in the developed apparatus (300) that enables to accomodate variation in distance between them. Therefore, the nozzle holding clamps (304a, 304b) allows various sizes of nozzle (101) diameter for fitup.

WORKING OF INVENTION
[0058] Referring to Fig. 11, in the supporting units (303a, 303b), the nozzle holding clamp vertical locking bolts (405) is loosened and the nozzle holding clamp vertical locking plates (404) are removed to facilitate the seating of nozzle holding clamps (304a, 304b). After positioning is done, the nozzle holding clamps (304a, 304b) along with the nozzle (101) and the vertical locking plates (404) are placed over nozzle holding clamp (304a, 304b) and tightened with the help of nozzle holding clamp vertical locking bolts (405). Further vertical adjustment of the nozzle (101) is also achivable by using the vertical fine adjustment bolts (406).

[0059] The nozzle holding clamps (304a, 304b) is afterwards secured in its position firmly with the help of the bolts (403). Moreover the fine adjustment locking bolts (401) are also used for minute adjustment in a horizontal plane. After placing the nozzle (101) in its position inside the nozzle fit up hole (203) with the help of the apparatus (300), the welding is carried out and weld bead (1101) is obtained.
Test Results

Average Cycle time before the development of fixture :-

Time in Hours
Sl. No No of Separators No of Nozzles Nozzle Setting Lug Welding Cutting & grinding Inspection
1 2 12 84 12 12 12
2 2 12 84 12 12 12
3 2 12 84 12 12 12
4 2 12 84 12 12 12
5 2 12 84 12 12 12
6 4 24 168 24 24 24
7 4 24 168 24 24 24
8 2 12 84 12 12 12
9 2 12 84 12 12 12
10 4 24 168 24 24 24
Total 26 156 1092 156 156 156
Average hours per separator 42 6 6 6
Average hours per nozzle 7 1 1 1
Percentage contribution 70 10 10 10

Cycle time after the development of fixture :-

Time in hours
Sl. No No of
Separators No of
Nozzles Nozzle Setting Inspection
1 2 12 12 12
2 4 24 24 12
3 4 24 24 12
4 8 48 32 24
5 4 24 24 24
6 4 24 24 12
Total 26 156 156 156
Average hours
per separator 6 6
Average hours
per nozzle 1 1
Percentage
contribution 10 10
TECHNICAL ADVANTAGES
[0060] With the help of the solution as proposed herein in the context of the present disclosure, the total cycle time is reduced, productivity is improved, rework is eliminated and bend quality is ensured.

[0061] The end limb bending is done automatically without manual operations.

[0062] The activities of dragging the tube, circuit flipping, marking and circuit positioning to the tubes are eliminated.

[0063] It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (e.g., bodies of the appended claims) are generally intended as “open” terms (e.g., the term “including” should be interpreted as “including but not limited to,” the term “having” should be interpreted as “having at least,” the term “includes” should be interpreted as “includes but is not limited to,” etc.). It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation, no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases “at least one” and “one or more” to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles “a” or “an” limits any particular claim containing such introduced claim recitation to disclosures containing only one such recitation, even when the same claim includes the introductory phrases “one or more” or “at least one” and indefinite articles such as “a” or “an” (e.g., “a” and/or “an” should typically be interpreted to mean “at least one” or “one or more”); the same holds true for the use of definite articles used to introduce claim recitations. Also, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should typically be interpreted to mean at least the recited number (e.g., the bare recitation of “two recitations,” without other modifiers, typically means at least two recitations or two or more recitations). Furthermore, in those instances where a convention analogous to “at least one of A, B, and C, etc.” is used, in general, such construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). In those instances, where a convention analogous to “at least one of A, B, or C, etc.” is used, in general, such construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B.”

[0064] It will be further appreciated that functions or structures of a plurality of components or steps may be combined into a single component or step, or the functions or structures of one-step or component may be split among plural steps or components. The present disclosure contemplates all of these combinations. Unless stated otherwise, dimensions and geometries of the various structures depicted herein are not intended to be restrictive of the disclosure, and other dimensions or geometries are possible. Also, while a feature of the present disclosure may have been described in the context of only one of the illustrated embodiments, such feature may be combined with one or more other features of other embodiments, for any given application. It will also be appreciated from the above that the fabrication of the unique structures herein and the operation thereof also constitute methods in accordance with the present disclosure. The present disclosure also encompasses intermediate and end products resulting from the practice of the methods herein. The use of “comprising” or “including” also contemplates embodiments that “consist essentially of” or “consist of” the recited feature.

[0065] Each of the appended claims defines a separate invention, which for infringement purposes is recognized as including equivalents to the various elements or limitations specified in the claims. Depending on the context, all references below to the "invention" may in some cases refer to certain specific embodiments only. In other cases, it will be recognized that references to the "invention" will refer to subject matter recited in one or more, but not necessarily all, of the claims.

[0066] Groupings of alternative elements or embodiments of the invention disclosed herein are not to be construed as limitations. Each group member can be referred to and claimed individually or in any combination with other members of the group or other elements found herein. One or more members of a group can be included in, or deleted from, a group for reasons of convenience and/or patentability. When any such inclusion or deletion occurs, the specification is herein deemed to contain the group as modified thus fulfilling the written description of all groups used in the appended claims.

[0067] It will be understood by those within the art that, in general, terms used herein, and especially in the appended claims (e.g., bodies of the appended claims) are generally intended as “open” terms (e.g., the term “including” should be interpreted as “including but not limited to,” the term “having” should be interpreted as “having at least,” the term “includes” should be interpreted as “includes but is not limited to,” etc.). It will be further understood by those within the art that if a specific number of an introduced claim recitation is intended, such an intent will be explicitly recited in the claim, and in the absence of such recitation no such intent is present. For example, as an aid to understanding, the following appended claims may contain usage of the introductory phrases “at least one” and “one or more” to introduce claim recitations. However, the use of such phrases should not be construed to imply that the introduction of a claim recitation by the indefinite articles “a” or “an” limits any particulars claim containing such introduced claim recitation to inventions containing only one such recitation, even when the same claim includes the introductory phrases “one or more” or “at least one” and indefinite articles such as “a” or “an” (e.g., “a” and/or “an” should typically be interpreted to mean “at least one” or “one or more”); the same holds true for the use of definite articles used to introduce claim recitations. In addition, even if a specific number of an introduced claim recitation is explicitly recited, those skilled in the art will recognize that such recitation should typically be interpreted to mean at least the recited number (e.g., the bare recitation of “two recitations,” without other modifiers, typically means at least two recitations, or two or more recitations). Furthermore, in those instances where a convention analogues to “at least one of A, B and C, etc.” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B and C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). In those instances where a convention analogous to “at least one of A, B, or C, etc.” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., “a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.). It will be further understood by those within the art that virtually any disjunctive word and/or phrase presenting two or more alternative terms, whether in the description, claims, or drawings, should be understood to contemplate the possibilities of including one of the terms, either of the terms, or both terms. For example, the phrase “A or B” will be understood to include the possibilities of “A” or “B” or “A and B”.

[0068] The above description does not provide specific details of manufacture or design of the various components. Those of skill in the art are familiar with such details, and unless departures from those techniques are set out, techniques, known, related art or later developed designs and materials should be employed. Those in the art are capable of choosing suitable manufacturing and design details.

[0069] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. It will be appreciated that several of the above-disclosed and other features and functions, or alternatives thereof, may be combined into other systems or applications. Various presently unforeseen or unanticipated alternatives, modifications, variations, or improvements therein may subsequently be made by those skilled in the art without departing from the scope of the present disclosure as encompassed by the following claims.
[0070] The claims, as originally presented and as they may be amended, encompass variations, alternatives, modifications, improvements, equivalents, and substantial equivalents of the embodiments and teachings disclosed herein, including those that are presently unforeseen or unappreciated, and that, for example, may arise from applicants/patentees and others.

[0071] While various aspects and embodiments have been disclosed herein, other aspects and embodiments will be apparent to those skilled in the art. The various aspects and embodiments disclosed herein are for purposes of illustration and are not intended to be limiting, with the true scope and spirit being indicated by the following claims.

WE CLAIM

1. An apparatus (300) to place a nozzle (101) on a separator pipe (201) of a steam generator, the apparatus (300) comprising of:
the separator pipe (201) located on roller supports (202), wherein the separator pipe (201) has a nozzle fit up hole (203) to accommodate the nozzle (101);
a plurality of plates (301, 302) placed over the separator pipe (201) at a distance, wherein the plates (301, 302) include top base plates (301a, 302a) and bottom base plates (301b, 302b) that are joined together by a fastener to accommodate the separator pipe (201) inside;
a plurality of supporting units (303a, 303b) positioned on top of the plates (301, 302); and
a plurality of nozzle holding clamps (304a, 304b) connected to the supporting units (303a, 303b), wherein the nozzle holding clamps (304a, 304b) have eye bolts (501) to lift the nozzle (101),
wherein the nozzle (101) and vertical locking plate (404) is placed over the nozzle holding clamps (304a, 304b).
2. The apparatus (300) as claimed in claim 1, wherein the supporting units (303a, 303b) are positioned on top of the plates (301, 302) and fastened using fine adjustment locking bolts (401), wherein the nozzle (101) and vertical locking plate (404) is placed over the nozzle holding clamps (304a, 304b) and tightened using a nozzle holding clamp vertical locking bolts (405).
3. The apparatus (300) as claimed in claims 1-2, wherein the nozzle holding clamps (304a, 304b) are faced opposite to each other.
4. The apparatus (300) as claimed in claims 1-3, wherein the supporting units (303a, 303b) have a cross movement and positioning clamps (402) and a plurality of adjustment bolts are (403) located at the back side of the cross movement and positioning clamps (402).
5. The apparatus (300) as claimed in claims 1-4, wherein the supporting units (303a, 303b) have a nozzle holding clamp vertical locking plate (404) and a nozzle holding clamp vertical locking bolt (405).
6. The apparatus (300) as claimed in claims 1-5, wherein the nozzle (101) is adjusted by vertical fine adjustment bolts (406).
7. The apparatus (300) as claimed in claims 1-6, wherein the cross movement and positioning clamps (402) on the supporting units (303a, 303b) have a U shaped cavity to insert the plates (301, 302) and fasten them to the cross movement and positioning clamps (402).
8. The apparatus (300) as claimed in claims 1-7, wherein internal threads (502) are provided at a plurality of positions on the nozzle holding clamps (304a, 304b).
9. The apparatus (300) as claimed in claims 1-8, wherein the nozzle holding clamps (304a, 304b) are adjusted for a range of diameters using fasteners (503).
10. The apparatus (300) as claimed in claims 1-9, wherein the top plates (301a, 302a) and the bottom plates (301b, 302b) have a V shape.