CN114379759A - Shipborne compressor chassis integration device - Google Patents
Shipborne compressor chassis integration device Download PDFInfo
- Publication number
- CN114379759A CN114379759A CN202111523448.8A CN202111523448A CN114379759A CN 114379759 A CN114379759 A CN 114379759A CN 202111523448 A CN202111523448 A CN 202111523448A CN 114379759 A CN114379759 A CN 114379759A
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- flange
- heat exchanger
- compressor chassis
- integration apparatus
- plate
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- 238000001816 cooling Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000010354 integration Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a shipborne compressor chassis integration device which comprises a chassis, wherein the chassis comprises a pair of main beams (1) which are arranged in parallel, a group of water cooling heat exchangers (2) are arranged on the two main beams (1), and two ends of each water cooling heat exchanger (2) respectively penetrate through a web plate of the corresponding side main beam (1) and are connected with the main beams (1); the upper end face of the bottom frame is an installation foundation for the compressor and accessories. According to the invention, the water cooling heat exchanger is integrated on the compressor chassis, and the cylinder body replaces a frame material, so that steel is saved, the whole load is reduced, and the space is saved; in addition, the water cooling heat exchangers of different stages are arranged in the bottom frame side by side, the working process is complied with, the calandria (cooling water pipe and air pipe) is simple and convenient, the pipeline layout is attractive, and the energy consumption loss of the pipeline is reduced.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a compressor chassis, and particularly relates to a shipborne compressor chassis integration device.
Background
The ship-mounted compressor is mainly used in the field of marine ships, has strict requirements on the load of the compressor and the installation size of the compressor, and has the following basic design principle: light load, compact structure and convenient maintenance.
At present, all levels of water-cooled heat exchangers are designed on the upper part of an underframe, and pipelines are arranged in a staggered manner, so that not only is a large space occupied, but also the overhaul is inconvenient.
Disclosure of Invention
In order to solve the problems, the invention provides the chassis integration device of the shipborne compressor, which has the advantages of small occupied space and convenience in maintenance.
The invention adopts the following technical scheme:
the utility model provides a ship-borne compressor chassis integrated device includes the chassis, its characterized in that: the underframe comprises a pair of main beams arranged in parallel, a group of water cooling heat exchangers are arranged on the two main beams, and two ends of each water cooling heat exchanger respectively penetrate through the web plate of the corresponding side main beam and are connected with the main beams; the upper end face of the bottom frame is an installation foundation for the compressor and accessories.
Further, the water-cooled heat exchanger comprises a cylinder and a heat exchanger core assembly;
two ends of the cylinder are open, one end of the cylinder is provided with a first flange, and the other end of the cylinder is provided with a second flange;
the heat exchanger core assembly comprises a cooling tube bundle, wherein one end of the cooling tube bundle is provided with a first end, the other end of the cooling tube bundle is provided with a second end, the cooling tube bundle is respectively communicated with the first end and the second end, the periphery of the first end is in sliding fit with the inner wall of a first flange, the inner end face of the second end is in sealing fit with the outer end face of a second flange, the outer end of the first flange is connected with a first end cover, the inner wall of the first end cover is in sliding sealing fit with the periphery of the first end, the outer end of the second flange is connected with a second end cover, and the end face of the second end cover is tightly pressed on the outer end face of the second end to form sealing connection.
Furthermore, the cooling tube bundle comprises a group of parallel and isometric tubes, a group of supporting plates are arranged in the length direction of the tubes, the tubes penetrate through the supporting plates, a group of supporting tubes are arranged between each supporting plate and between the second end and the adjacent supporting plate respectively, a through-length pull rod is arranged in each supporting tube, one end of each pull rod is fixed on the second end, and the other end of each pull rod is fixed on the supporting plate which is farthest away from the second end.
Furthermore, the supporting plate is a circular plate with a notch, and the arc-shaped outer contour of the supporting plate is matched with the inner wall of the cylinder body and a gap is reserved; in the group of support plates, the positions of the notches of each support plate are staggered with each other.
Furthermore, a group of double-end studs are adopted between the first flange and the first end cover as well as between the second flange and the second end cover for fastening connection, one end of each double-end stud is connected with a nut, the other end of each double-end stud is connected with a threaded block, at least two corresponding threaded holes are formed in each threaded block and are located on the inner sides of the first flange and the second flange, and the corresponding matching ends are fastened and connected by screwing the nuts and the threaded blocks on the double-end studs.
Further, the thread block is an arc-shaped plate with a group of threaded holes.
Furthermore, a positioning plate with a through hole is further connected to the circumferential surface of the second end, and the through hole of the positioning plate is internally matched with the stud and is identified and positioned through the positioning plate.
Furthermore, the bottom ends of the first end cover and the second end cover are hermetically connected with screw plugs for water drainage.
Further, the girder is H shaped steel or I-shaped steel.
Further, the cylinder axis is perpendicular to the web of the spar.
The invention has the following beneficial effects:
1. according to the scheme, the cylinder is arranged on the web plate of the main beam, and the frame material is replaced by the cylinder, so that steel is saved, and the overall load is reduced;
2. the water cooling heat exchanger is integrated on the bottom frame, so that the space is saved, and the arrangement of the water cooling heat exchanger is in accordance with the working flow, so that the pipeline layout is attractive, and the pipeline loss is reduced;
3. the design of the removable water-cooling heat exchanger is convenient for installation, overhaul and maintenance;
4. but heat exchanger core subassembly is through the connection of one end axial drunkenness formula, other end fixed connection, has avoided the cooling tube bank because of the unable condition of releasing of the stress deformation that expend with heat and contract with cold produced, is favorable to prolonging water cooling heat exchanger's life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view in section taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is an enlarged view of a portion of FIG. 2 at II;
FIG. 5 is a schematic view of the structure of a cooling tube bundle;
FIG. 6 is a schematic structural view of a heat exchanger core assembly;
FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 6;
one of the tubes is omitted from FIG. 5 for clarity in showing the structural features of the cooling tube bundle.
Description of reference numerals: 1. a main beam; 11. a cross beam; 2. a water cooling heat exchanger; 21. a cylinder; 22. a first flange; 23. a second flange; 24. a water inlet; 25. a water outlet; 3. a heat exchanger core assembly; 31. cooling the tube bundle; 311. a pipe body; 312. a support plate; 313. supporting a pipe; 314. a pull rod; 32. a first end; 33. a second end; 34. a first end cap; 35. a second end cap; 36. positioning a plate; 37. an O-shaped sealing ring; 38. a gasket; 4. a stud; 5. A thread block; 6. and (4) a screw plug.
Detailed Description
In order to make the present invention more clear, the following description of the present invention is provided for an on-board compressor chassis integration device, which is made in the following description with reference to the accompanying drawings, and the embodiments described herein are only for the purpose of illustrating the present invention and are not intended to limit the present invention.
As shown in fig. 1, a ship-mounted compressor underframe integrated device is applied to ships with limited installation and maintenance space. The water cooling heat exchanger comprises a pair of main beams 1 which are arranged in parallel, wherein a group of water cooling heat exchangers 2 are connected to the two main beams 1, and the axes of the water cooling heat exchangers 2 are perpendicular to the webs of the main beams 1. Every water cooling heat exchanger 2 includes cylinder 21 and heat exchanger core subassembly 3, and the web that corresponds side girder 1 is worn out respectively and is welded firmly with it at cylinder 21 both ends, installation heat exchanger core subassembly 3 in the cylinder 21. Two ends of the two main beams 1 are respectively connected with a crossbeam 11, the crossbeam 11 and the two main beams 1 form a stable frame type underframe, and the cylinder 21 is used as a shell of the water cooling heat exchanger and also used as a structural component of the underframe. The installation base is provided for the compressor, the motor, other accessories and other parts through the installation base and the installation plate on the upper end surface of the underframe. Wherein, the main beam 1 and the cross beam 11 are both made of H-shaped steel or I-shaped steel.
As shown in fig. 2, the cylinder 21 has a structure with two open ends, a first flange 22 is disposed at one end of the cylinder 21, a second flange 23 is disposed at the other end of the cylinder, and the first flange and the second flange are hermetically connected with the cylinder 21 in a welding manner. The first flange and the second flange are both annular flanges, the end faces of the first flange and the second flange are respectively provided with mounting holes for fastening in a circumferential array mode, inner holes of the first flange and the second flange are arranged coaxially with the cylinder body 21, and the inner hole of the first flange is smaller than the inner hole of the second flange. The lower part of the cylinder 21 near the first flange 22 is connected with a communicating water inlet 24, and the upper part of the cylinder 21 near the second flange 23 is connected with a communicating water outlet 25.
The heat exchanger core assembly 3 comprises a cooling tube bundle 31, wherein one end of the cooling tube bundle 31 is provided with a first circular end 32, the other end of the cooling tube bundle 31 is provided with a second circular end 33, the cooling tube bundle 31 is respectively communicated with the first end and the second end, and the first end and the second end are mutually coaxially arranged. The cooling tube bundle 31 and the first and second ends can be hermetically connected by welding and strength expansion. The circumferential surface of the first end head 32 is in sliding fit with the inner hole wall of the first flange 22, and the first flange 22 serves as a radial support for the first end head 32, and has no limitation on the axial direction of the first end head 32. The outer end of the first flange 22 is connected to a first end cap 34. the first end cap 34 has a stepped inner hole structure, the large end inner hole wall of which is in sealing fit with the circumferential surface of the first end head 32, and the small end inner hole of which is connected to an external pipeline. The inner end face of the second end head 33 is in sealing fit with the outer end face of the second flange 23, the outer end of the second flange 23 is connected with a second end cover 35, and the end face of the second end cover 35 is tightly pressed on the outer end face of the second end head 33 to form sealing connection. The second flange 23 is provided with a through hole, the outer end of which is connected with an external pipeline. Wherein, the bottom ends of the first end cover and the second end cover are hermetically connected with a screw plug 6 for water drainage.
As shown in fig. 3, the front end edge of the inner hole of the first end cap 34 is provided with a chamfer, the chamfer cooperates with the end surface of the first flange 22 to form a mounting groove with a triangular cross section, and an O-ring 37 is mounted in the mounting groove to form a sealing fit with the circumferential surface of the first end head 32.
As shown in fig. 4, the inner end surface of the second stub 33 is in end-face sealing engagement with the second flange 23 via a mounting gasket 38, and the outer end surface of the second stub 33 is in end-face sealing engagement with the second end cap 35 via the mounting gasket 38.
As shown in fig. 5 to 7, the cooling tube bundle 31 includes a set of parallel and equal-length tubes 311, a set of equally-spaced support plates 312 are disposed along the length of the tubes 311, and the tubes 311 penetrate the support plates 312 and are perpendicular to the support plates 312. A group of support pipes 313 are respectively arranged between each support plate 312 and between the second end 33 and the adjacent support plate 312, the group of support pipes 313 form a full-length tubular structure, at least one pair of tubular structures is arranged according to the size of the cooling tube bundle 31, a full-length pull rod 314 is arranged in each tubular structure, one end of each pull rod 314 is fixed on the second end 33 through threads, and the other end of each pull rod 314 is locked on the outer end face of the support plate 312 at the farthest end from the second end 33 through nut fit. The rigidity and deformation resistance of the tube body 311 are improved by the support of the support tube 313 and the tension of the pull rod 314.
The supporting plate 312 has a hole passing through the tube body 311 and a hole passing through the pull rod 314, and the diameter of the hole passing through the pull rod 314 is smaller than the diameter of the tube of the supporting tube 313. The whole appearance of backup pad 312 is for having the circle of breach, and the breach shape is little semicircle, and the arc outline of backup pad 312 and the inner wall phase-match of cylinder 21 just leave the clearance. In the group of support plates 312, the notches of each support plate 312 are staggered up and down, and the notches are used as channels for cooling water to flow, so that the cooling water is ensured to be fully and uniformly contacted with the pipe body 311.
All adopt a set of stud 4 fastening connection between first flange 22 and first end cover 34, second flange 23 and the second end cover 35, every stud 4 one end connecting nut, the other end connection screw thread piece 5 are equipped with two corresponding screw holes on the screw thread piece 5 at least to screw thread piece 5 is located first, second mounting flange's interior distolateral respectively, screws on stud 4 through nut, screw thread piece 5 and makes corresponding cooperation end fastening connection. Wherein, the thread block 5 is an arc-shaped plate which is evenly divided by an annular plate with a group of threaded holes. The positioning plate 36 with the through holes is further connected to the circumferential surface of the second end 33, the stud bolts are matched in the two through holes of the positioning plate, and the positioning in the circumferential direction of the cooling tube bundle 31 is identified through the position of the positioning plate, so that the notch of the supporting plate 312 corresponding to the water inlet 24 faces upwards, the notch of the supporting plate 312 corresponding to the water outlet 25 faces downwards, the cooling water can be ensured to uniformly carry out heat exchange on the cooling tube bundle 31, and the cooling efficiency is improved.
When the cooling device works, gas to be cooled is arranged in the cold area tube bundle, and cooling water is arranged in the shell, so that gas-liquid separation is realized.
In the invention, the water cooling heat exchanger is integrated on the bottom frame of the compressor, the cylinder replaces the frame material, steel is saved, the whole load is lightened, and the space is saved;
the heat exchanger core subassembly is the structure that can extract, through pulling down the second end cover, can directly take out the heat exchanger core subassembly. In the process of taking out, because cooling tube bank's backup pad arc outline and cylinder inner wall phase-match to backup pad breach position is crisscross each other, this group of backup pad can regard as the supporting part to use, supports on the periphery of cylinder inner wall, guarantees heat exchanger core subassembly and can not appear the end and drop suddenly and collide with the phenomenon with the cylinder inner wall taking out the in-process. Thus, the maintenance is convenient on the whole, and particularly, the scale in the shell and the cooling tube bundle is convenient to clean;
in addition, adopt screw block and nut through stud's the tight mode of clamp with the part fastening connection that corresponds, compare in the mode that adopts bolt + screw to connect, the condition that the screw welding back warp can not appear, the location of fastener when being convenient for install is especially under the limited condition in maintenance space to this scheme. The thread blocks are formed by dividing annular plates, and each thread block can be screwed into the stud conveniently in a micro-motion mode. Because the last two screw holes that have at least of screw block, when maintainer twisted stud, through the arcwall face of screw block and the spacing cooperation of the casing outer wall that corresponds and twist the combined action of two screw holes simultaneously, just can realize that the screw block does not need taking of external force to hold down, in stud twisted the screw block, made things convenient for first, second end cap installation.
The heat exchanger core subassembly forms the connected mode that can the axial float through the radial support of first flange as first end, has avoided the cooling tube bank promptly because of the unable release's of stress deformation that expend with heat and contract with cold and produce the condition, is favorable to prolonging water cooling heat exchanger's life.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent replacement, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention.
Claims (10)
1. The utility model provides a ship-borne compressor chassis integrated device, includes the chassis, its characterized in that: the underframe comprises a pair of main beams (1) arranged in parallel, a group of water cooling heat exchangers (2) are arranged on the two main beams (1), and two ends of each water cooling heat exchanger (2) respectively penetrate through a web plate of the corresponding side main beam (1) and are connected with the main beams (1); the upper end face of the bottom frame is an installation foundation for the compressor and accessories.
2. The on-board compressor chassis integration apparatus of claim 1, wherein: the water-cooled heat exchanger (2) comprises a cylinder (21) and a heat exchanger core assembly (3);
two ends of the cylinder body (21) are open, one end of the cylinder body (21) is provided with a first flange (22), and the other end of the cylinder body is provided with a second flange (23);
the heat exchanger core assembly (3) comprises a cooling tube bundle (31), one end of the cooling tube bundle (31) is provided with a first end (32), the other end of the cooling tube bundle (31) is provided with a second end (33), the cooling tube bundle (31) is respectively communicated with the first end and the second end, the circumferential surface of the first end (32) is in sliding fit with the inner wall of a first flange (22), the inner side end surface of the second end (33) is in sealing fit with the outer end surface of a second flange (23), the outer end of the first flange (22) is connected with a first end cover (34), the inner wall of the first end cover (34) is in sliding seal fit with the circumferential surface of the first end (32), the outer end of the second flange (23) is connected with a second end cover (35), and the end surface of the second end cover (35) is tightly pressed on the outer end surface of the second end (33) to form sealing connection.
3. The on-board compressor chassis integration apparatus of claim 2, wherein: cooling tube bank (31) are including a set of parallel and isometric body (311), be equipped with a set of backup pad (312) at body (311) length direction, body (311) pierce through backup pad (312), be equipped with a set of stay tube (313) respectively between every backup pad and between second end (33) and adjacent backup pad, install logical long pull rod (314) in every stay tube (313), pull rod (314) one end is fixed on second end (33), the other end is fixed on backup pad (312) far away from second end (33).
4. The on-board compressor chassis integration apparatus of claim 3, wherein: the supporting plate (312) is a round plate with a notch, and the arc-shaped outer contour of the supporting plate (312) is matched with the inner wall of the cylinder body (21) and a gap is reserved; in the group of support plates (312), the positions of the notches of each support plate (312) are staggered with respect to each other.
5. The on-board compressor chassis integration device of claim 2 or 4, wherein: all adopt a set of stud (4) fastening connection between first flange (22) and first end cover (34), second flange (23) and second end cover (35), every stud (4) one end connection nut, other end connection screw thread piece (5), be equipped with two corresponding screw holes at least on screw thread piece (5) and be located the inboard first, second flange, through the nut, screw thread piece (5) are screwed and are made corresponding cooperation end fastening connection on stud (4).
6. The on-board compressor chassis integration apparatus of claim 5, wherein: the thread block (5) is an arc-shaped plate with a group of threaded holes.
7. The on-board compressor chassis integration apparatus of claim 6, wherein: the circumferential surface of the second end head (33) is also connected with a positioning plate (36) with a through hole, and the through hole of the positioning plate is internally matched with the stud and is identified and positioned through the positioning plate.
8. The on-board compressor chassis integration apparatus of claim 7, wherein: the bottom ends of the first end cover and the second end cover are hermetically connected with a screw plug (6) for water drainage.
9. The on-board compressor chassis integration apparatus of claim 1, wherein: the main beam (1) is H-shaped steel or I-shaped steel.
10. The on-board compressor chassis integration apparatus of claim 2, wherein: the axis of the cylinder (21) is vertical to the web plate of the main beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523448.8A CN114379759A (en) | 2021-12-14 | 2021-12-14 | Shipborne compressor chassis integration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111523448.8A CN114379759A (en) | 2021-12-14 | 2021-12-14 | Shipborne compressor chassis integration device |
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| Publication Number | Publication Date |
|---|---|
| CN114379759A true CN114379759A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111523448.8A Pending CN114379759A (en) | 2021-12-14 | 2021-12-14 | Shipborne compressor chassis integration device |
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