CN110561051A - air inlet shell of steam compressor unit and rapid forming method thereof - Google Patents
air inlet shell of steam compressor unit and rapid forming method thereof Download PDFInfo
- Publication number
- CN110561051A CN110561051A CN201910886598.1A CN201910886598A CN110561051A CN 110561051 A CN110561051 A CN 110561051A CN 201910886598 A CN201910886598 A CN 201910886598A CN 110561051 A CN110561051 A CN 110561051A
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- Prior art keywords
- pipe barrel
- flow channel
- channel pipe
- cylinder
- barrel
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- 238000000034 method Methods 0.000 title claims description 16
- 238000003466 welding Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000005266 casting Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
the invention belongs to the technical field of compressor equipment, and particularly discloses an air inlet shell of a vapor compressor unit, which comprises a flow channel pipe barrel, a cylinder, a rib plate, a flange plate and a connecting flange, wherein the flow channel pipe barrel is formed by connecting a first flow channel pipe barrel, a second flow channel pipe barrel, a third flow channel pipe barrel and a fourth flow channel pipe barrel which are concentric in sequence; the cylinder is arranged outside the runner pipe barrel and fixed with the first runner pipe barrel, and the cylinder is flush with the outer surface of the runner pipe barrel; the rib plates are provided with a plurality of blocks, and the rib plates are uniformly distributed on the circumference of the flow channel pipe barrel and are vertically fixed with the flow channel pipe barrel; the connecting flange is vertically fixed with the cylinder, and the inner surfaces of the connecting flange and the cylinder are flush; the flange plate is concentric with the flow channel pipe barrel and is fixed with the fourth flow channel pipe barrel. The air inlet shell with the structure can enable the molded line of the inner side of the air inlet shell to be accurate, and is low in cost and short in production period.
Description
Technical Field
the invention belongs to the technical field of compressor equipment, and particularly relates to a method for quickly forming an air inlet shell of a steam compressor unit.
background
Due to the advantages of high efficiency, economy, energy conservation, emission reduction and the like, MVR is more and more favored by industries such as petroleum, chemical industry, electric power, metallurgy, ships, machinery, food, pharmacy and the like, and is also a development trend of energy conservation and environmental protection in the future. The air inlet shell is a component of the MVR steam compressor unit used for connecting an external air inlet pipeline and the volute, the interior of the shell is of a horn-shaped structure, air uniformity can be guaranteed when air flow enters the volute, and meanwhile air flow is effectively guided. Because the air inlet shell is used as the connecting part of the volute and the external pipeline, smooth flow of air inside the air inlet shell is realized, and airflow disturbance is avoided, so that the manufacturing requirements on internal molded lines and butt joint parts at two ends are higher.
The traditional mode of making the air inlet shell is realized by integral casting or die pressing, but because of special working conditions and customer requirements, shells made of corrosion-resistant materials such as stainless steel, titanium alloy and the like appear. On one hand, according to the existing casting mode, the quality of the shell has the uncontrollable manufacturing defect, the manufacturing cost is too high, the manufacturing period is longer, the environmental pollution is greater, and the production and the manufacturing of enterprises are difficult to meet; on the other hand, through die profiling, firstly, the manufacturing period of the die is long, the manufacturing cost is high, and in the profiling process, the die needs to be reprocessed so as to finely adjust the die parameters, so that the manufacturing period of the product cannot be effectively controlled, the profiling process is easy to scrap, and the cost is further increased.
Disclosure of Invention
The invention aims to provide a method for quickly forming an air inlet shell of a steam compressor unit, which aims to solve the problems of cost increase, long manufacturing period and the like caused by a casting or die profiling mode in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: a method for quickly forming an air inlet shell of a steam compressor unit comprises the following steps:
(1) Preparing materials, wherein the materials comprise a flow channel pipe barrel, a cylinder, a flange plate, a connecting flange and six rib plates, and the flow channel cylinder obtains four parts through lofting, namely a first flow channel pipe barrel, a second flow channel pipe barrel, a third flow channel pipe barrel and a fourth flow channel pipe barrel which are concentric; the cylinder consists of two semicircular plates;
(2) respectively processing the inner radians and welding bevels of the first flow channel pipe barrel, the second flow channel pipe barrel, the third flow channel pipe barrel and the fourth flow channel pipe barrel, and simultaneously processing scribed lines on the surfaces of the first flow channel pipe barrel, the second flow channel pipe barrel, the third flow channel pipe barrel and the fourth flow channel pipe barrel to obtain respective combined position lines;
(3) the fourth runner pipe barrel is combined by profiling and rolling, and a first supporting rib is welded in the fourth runner pipe barrel;
(4) the first runner pipe barrel, the second runner pipe barrel, the third runner pipe barrel and the fourth runner pipe barrel are combined and welded according to a combination position line, and the fourth runner pipe barrel is ensured to be vertical to the third runner pipe barrel;
(5) completely welding four parts of the flow channel pipe barrel, removing the first supporting rib in the fourth flow channel pipe barrel, and processing the outer surface of the fourth flow channel pipe barrel;
(6) Combining the cylindrical profiling and rolling, and welding a second support rib inside the cylindrical profiling and rolling combination;
(7) removing the second support rib in the cylinder and processing the surface of the second support rib; combining and vertically arranging the cylinder and the outer side of the runner pipe;
(8) rib plates are combined on the outer side of the runner pipe barrel and are kept vertical, and six rib plates are uniformly distributed on the circumference of the runner pipe barrel;
(9) combining a connecting flange on the cylinder, wherein the connecting flange is flush with the inner surface of the cylinder;
(10) combining the flange plate with the runner pipe barrel, wherein the flange plate is concentric with the fourth runner pipe barrel;
(11) And processing the inner surface of the runner pipe barrel and the flange to finally realize the molding of the air inlet shell.
The beneficial effects of this technical scheme lie in: firstly, a casting process is replaced by a mode of combining welding and processing, so that the manufacturing cost and the period can be effectively reduced, welding parameters are strictly controlled, a reasonable process route is formulated, and the quality of the process route is effectively guaranteed. Therefore, enterprises can effectively help to meet market demands, and the economic and social benefits of products are improved. Welding the first supporting rib in the runner pipe barrel and welding the second supporting rib in the cylinder can prevent the runner pipe barrel and the cylinder from being greatly deformed in the welding process to influence the out-of-roundness of the runner pipe barrel and the cylinder. The rib plate can increase the rigidity of the air inlet shell, reduce welding deformation and ensure the manufacturing precision. And the radian of the cylinder and the fourth runner pipe barrel is smaller, so the cylinder and the fourth runner pipe barrel are manufactured by adopting a pressed edge rolling method.
Further, in step (6), a 45 ° K-groove is machined at the position where the coil is butted before rolling.
further, the positions of the flow channel pipe barrel, the cylinder, the flange plate, the connecting flange and the rib plate which are welded in a combined mode are all provided with K-shaped or V-shaped grooves with the angle of 45 degrees.
The invention also provides an air inlet shell of the steam compressor unit, which comprises a flow channel pipe barrel, a cylinder, a rib plate, a flange plate and a connecting flange, wherein the flow channel pipe barrel is formed by connecting a first flow channel pipe barrel, a second flow channel pipe barrel, a third flow channel pipe barrel and a fourth flow channel pipe barrel which are concentric in sequence; the cylinder is arranged outside the runner pipe barrel and fixed with the first runner pipe barrel, and the cylinder is flush with the outer surface of the runner pipe barrel; the rib plates are provided with a plurality of blocks, and the rib plates are uniformly distributed on the circumference of the flow channel pipe barrel and are vertically fixed with the flow channel pipe barrel; the connecting flange is vertically fixed with the cylinder, and the inner surfaces of the connecting flange and the cylinder are flush; the flange plate is concentric with the flow channel pipe barrel and is fixed with the fourth flow channel pipe barrel.
The beneficial effects of this technical scheme lie in: the molded lines of the inner side of the air inlet shell in the technical scheme are accurate, the cost is low, and the production period is short.
Furthermore, six rib plates are arranged.
furthermore, the cylinder is formed by fixing two semicircular plates.
Furthermore, the fixing mode adopts welding, and the positions of the flow channel pipe barrel, the cylinder, the flange plate, the connecting flange and the rib plate which are welded in a combined mode are all provided with a 45-degree K-shaped or V-shaped groove.
Furthermore, scribed lines are arranged on the surfaces of the first flow channel pipe barrel, the second flow channel pipe barrel, the third flow channel pipe barrel and the fourth flow channel pipe barrel to obtain respective combined position lines.
Drawings
FIG. 1 is a front view of an air intake housing of a vapor compressor package in accordance with the present invention;
FIG. 2 is a side cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of the flow passage tube of FIG. 1;
fig. 4 is an assembled view of the flow passage tube of fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the flow channel pipe comprises a flow channel pipe barrel 1, a cylinder 2, rib plates 3, a flange plate 4, a connecting flange 5, a first flow channel pipe barrel 6, a second flow channel pipe barrel 7, a third flow channel pipe barrel 8, a fourth flow channel pipe barrel 9, a combination position line 10 and a flow channel pipe barrel outline 11.
Example one
Substantially as shown in figures 1 to 4 of the accompanying drawings: an air inlet shell of a steam compressor unit comprises a flow channel pipe barrel 1, a cylinder 2, a flange plate 4, a connecting flange 5 and six rib plates 3, wherein the flow channel pipe barrel 1 is formed by connecting a first flow channel pipe barrel 6, a second flow channel pipe barrel 7, a third flow channel pipe barrel 8 and a fourth flow channel pipe barrel 9 which are concentric in sequence, and scribed lines are arranged on the surfaces of all the parts to obtain respective combined position lines 10; the cylinder 2 is formed by combining and welding two semicircular plates, the cylinder 2 is arranged outside the runner pipe barrel 1 and is welded with the first runner pipe barrel 6, and the cylinder 2 is flush with the outer surface of the runner pipe barrel 1; the six rib plates 3 are uniformly distributed on the circumference of the flow channel pipe barrel 1 and are vertically welded and fixed with the flow channel pipe barrel 1; the connecting flange 5 and the cylinder 2 are vertically welded and fixed, and the inner surfaces of the connecting flange and the cylinder are flush; the flange 4 is concentric with the flow duct barrel 1 and is fixed to the fourth flow duct barrel 9. The positions of the flow channel pipe barrel 1, the cylinder 2, the flange plate 4, the connecting flange 5 and the rib plate 3 which are combined and welded are all provided with a 45-degree K-shaped or V-shaped groove.
Example two
A method for quickly forming an air inlet shell of a steam compressor unit comprises the following steps:
(1) Preparing materials, wherein the materials comprise a flow channel pipe barrel 1, a cylinder 2, a flange plate 4, a connecting flange 5 and six rib plates 3, and the flow channel cylinder 2 obtains four parts through lofting, namely a first flow channel pipe barrel 6, a second flow channel pipe barrel 7, a third flow channel pipe barrel 8 and a fourth flow channel pipe barrel 9 which are concentric; the cylinder 2 consists of two semicircular plates;
(2) Respectively processing the inner radians and welding bevels of a first flow channel pipe barrel 6, a second flow channel pipe barrel 7, a third flow channel pipe barrel 8 and a fourth flow channel pipe barrel 9, and simultaneously processing scribed lines on the respective surfaces to obtain respective combined position lines 10;
(3) The fourth runner pipe barrel 9 is combined by profiling and rolling, and a first supporting rib is welded inside the fourth runner pipe barrel;
(4) the first flow channel pipe barrel 6, the second flow channel pipe barrel 7, the third flow channel pipe barrel 8 and the fourth flow channel pipe barrel 9 are combined and welded according to a combination position line 10, and the fourth flow channel pipe barrel 9 and the third flow channel pipe barrel 8 are ensured to be vertical;
(5) completely welding four parts of the flow channel pipe barrel 1, removing the first supporting ribs in the fourth flow channel pipe barrel 9, and processing the outer surface of the fourth flow channel pipe barrel 9;
(6) the cylinder 2 is combined by profiling and rolling, a second supporting rib is welded in the cylinder 2, and a 45-degree K-shaped groove is machined at the butt joint position before rolling;
(7) removing the second support rib in the cylinder 2 and processing the surface of the second support rib; combining and vertically combining the cylinder 2 with the outer side of the runner pipe barrel 1;
(8) rib plates 3 are combined on the outer side of the runner pipe barrel 1 and are kept vertical, and six rib plates 3 are uniformly distributed on the circumference of the runner pipe barrel 1;
(9) A connecting flange 5 is combined on the cylinder 2, and the connecting flange 5 is flush with the inner surface of the cylinder 2;
(10) Combining the flange 4 with the flow passage tube 1, and the flange 4 is concentric with the fourth flow passage tube 9;
(11) And processing the inner surface of the runner pipe barrel 1 and the flange 4 to finally realize the molding of the air inlet shell.
the foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. a method for quickly forming an air inlet shell of a steam compressor unit is characterized by comprising the following steps: the method comprises the following steps:
(1) Preparing materials, wherein the materials comprise a flow channel pipe barrel, a cylinder, a flange plate, a connecting flange and six rib plates, and the flow channel cylinder obtains four parts through lofting, namely a first flow channel pipe barrel, a second flow channel pipe barrel, a third flow channel pipe barrel and a fourth flow channel pipe barrel which are concentric; the cylinder consists of two semicircular plates;
(2) Respectively processing the inner radians and welding bevels of the first flow channel pipe barrel, the second flow channel pipe barrel, the third flow channel pipe barrel and the fourth flow channel pipe barrel, and simultaneously processing scribed lines on the surfaces of the first flow channel pipe barrel, the second flow channel pipe barrel, the third flow channel pipe barrel and the fourth flow channel pipe barrel to obtain respective combined position lines;
(3) the fourth runner pipe barrel is combined by profiling and rolling, and a first supporting rib is welded in the fourth runner pipe barrel;
(4) The first runner pipe barrel, the second runner pipe barrel, the third runner pipe barrel and the fourth runner pipe barrel are combined and welded according to a combination position line, and the fourth runner pipe barrel is ensured to be vertical to the third runner pipe barrel;
(5) Completely welding four parts of the flow channel pipe barrel, removing the first supporting rib in the fourth flow channel pipe barrel, and processing the outer surface of the fourth flow channel pipe barrel;
(6) combining the cylindrical profiling and rolling, and welding a second support rib inside the cylindrical profiling and rolling combination;
(7) removing the second support rib in the cylinder and processing the surface of the second support rib; combining and vertically arranging the cylinder and the outer side of the runner pipe;
(8) Rib plates are combined on the outer side of the runner pipe barrel and are kept vertical, and six rib plates are uniformly distributed on the circumference of the runner pipe barrel;
(9) Combining a connecting flange on the cylinder, wherein the connecting flange is flush with the inner surface of the cylinder;
(10) Combining the flange plate with the runner pipe barrel, wherein the flange plate is concentric with the fourth runner pipe barrel;
(11) and processing the inner surface of the runner pipe barrel and the flange to finally realize the molding of the air inlet shell.
2. a method of rapid prototyping a vapor compressor package inlet housing as set forth in claim 1 wherein: in the step (6), a 45-degree K-shaped groove is machined at the butt joint position before the rolling.
3. a method of rapid prototyping a vapor compressor package inlet housing as set forth in claim 1 wherein: and the positions of the flow channel pipe barrel, the cylinder, the flange plate, the connecting flange and the rib plate which are welded in a combined mode are all provided with 45-degree K-shaped or V-shaped grooves.
4. A vapor compressor unit air intake housing, characterized by: the flow channel pipe barrel is formed by connecting a first flow channel pipe barrel, a second flow channel pipe barrel, a third flow channel pipe barrel and a fourth flow channel pipe barrel which are concentric in sequence; the cylinder is arranged outside the runner pipe barrel and fixed with the first runner pipe barrel, and the cylinder is flush with the outer surface of the runner pipe barrel; the rib plates are provided with a plurality of blocks, and the rib plates are uniformly distributed on the circumference of the flow channel pipe barrel and are vertically fixed with the flow channel pipe barrel; the connecting flange is vertically fixed with the cylinder, and the inner surfaces of the connecting flange and the cylinder are flush; the flange plate is concentric with the flow channel pipe barrel and is fixed with the fourth flow channel pipe barrel.
5. a vapor compressor package inlet housing as set forth in claim 4 wherein: six rib plates are arranged.
6. a vapor compressor package inlet housing as set forth in claim 5 wherein: the cylinder is formed by fixing two semicircular plates.
7. a vapor compressor package inlet housing as set forth in claim 6 wherein: the fixing mode adopts welding, and the positions of the flow channel pipe barrel, the cylinder, the flange plate, the connecting flange and the rib plate which are welded in a combined mode are all provided with a 45-degree K-shaped or V-shaped groove.
8. a vapor compressor package inlet housing as set forth in claim 7 wherein: scribed lines are arranged on the surfaces of the first channel pipe barrel, the second channel pipe barrel, the third channel pipe barrel and the fourth channel pipe barrel to obtain respective combined position lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886598.1A CN110561051A (en) | 2019-09-19 | 2019-09-19 | air inlet shell of steam compressor unit and rapid forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886598.1A CN110561051A (en) | 2019-09-19 | 2019-09-19 | air inlet shell of steam compressor unit and rapid forming method thereof |
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| Publication Number | Publication Date |
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| CN110561051A true CN110561051A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910886598.1A Pending CN110561051A (en) | 2019-09-19 | 2019-09-19 | air inlet shell of steam compressor unit and rapid forming method thereof |
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2019
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