CN114321361A - Pressure vessel capable of carrying out pressure regulation and waste heat recovery - Google Patents
Pressure vessel capable of carrying out pressure regulation and waste heat recovery Download PDFInfo
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- CN114321361A CN114321361A CN202111662035.8A CN202111662035A CN114321361A CN 114321361 A CN114321361 A CN 114321361A CN 202111662035 A CN202111662035 A CN 202111662035A CN 114321361 A CN114321361 A CN 114321361A
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Abstract
The invention relates to the technical field of waste heat recovery, and discloses a pressure container capable of recovering pressure-regulated waste heat. According to the invention, under the action of the pressure of the booster pump, the pressure can be boosted in the pressure tank, when the booster pump stops working, the blocking block is contacted with the inclined plane again under the action of the first spring, the rotating block is rotated to enable the pressure relief groove to be positioned between the side walls of the side cylinders, the air pressure in the pressure tank can be relieved, the heat conduction oil can be heated up through waste heat, the energy storage and heat exchange device recovers and recycles heat, the heat insulation can be carried out by arranging the sheath and the heat insulation cotton, the sealing ring can be sleeved on the bottom plate and positioned through the positioning column in actual use, and the bottom plate can be installed and detached in a limiting manner.
Description
Technical Field
The invention relates to the technical field of waste heat recovery, in particular to a pressure container capable of carrying out pressure regulation and waste heat recovery.
Background
The pressure container is a closed container capable of bearing pressure, has extremely wide application, and has important status and function in many departments such as industry, civil use, military industry and the like and many fields of scientific research.
In the industrial production process, often can produce and have thermal waste residue, waste liquid and waste gas, if not retrieving the heat, can cause certain loss, be not conform to energy-conserving theory, pressure vessel top and bottom commonly used are inconvenient not to be opened, can not adjust the inside pressure of container, and the heat loses easily, still inconvenient inside pressure of maintaining after the pressure boost. In response to this situation, those skilled in the art have provided a pressure vessel that allows for pressure regulated waste heat recovery.
Disclosure of Invention
The present invention is directed to a pressure vessel capable of recovering waste heat through pressure regulation, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a can carry out pressure regulation waste heat recovery's pressure vessel, includes the overhead tank, the top of overhead tank is provided with the top cap, and the fixed mounting of the bottom symmetry of overhead tank has four support columns, and the common fixed mounting in bottom of four support columns has the base, and the top of top cap is provided with the protection subassembly.
The protection component comprises a top column, the top column is communicated with the top of the fixed mounting at the top cover, the side top of the round cylinder is communicated with the fixed mounting connector, one end of the connector is communicated with the round cylinder, one end of the round cylinder is communicated with the side cylinder, the cross column is inserted in the connector, one end of the cross column is fixedly mounted with the plugging block, the outer side sleeve of the cross column is provided with a first spring, the first spring and the plugging block are arranged in the round cylinder, the inner hole is formed in the cross column, the cross column is further provided with a plurality of through holes communicated with the inner hole, the plurality of through holes are annularly formed in the periphery of the cross column, the inclined plane is formed in the inner wall of one end of the round cylinder, one end of the plugging block and the inclined plane are matched components, the bottom of the side cylinder is communicated with the fixed mounting connection pipeline, and the one end of the connection pipeline is fixedly mounted with the booster pump.
As a still further scheme of the invention: the utility model discloses a corner tube, including limit section of thick bamboo, the limit section of thick bamboo is equipped with the lock piece, the lock piece is inserted in the one end of jam, the other end fixed mounting of limit section of thick bamboo has the turning block, and the turning block sets up to regular hexagonal prism.
As a still further scheme of the invention: two limiting plates are symmetrically and fixedly mounted on one side of the plugging block, two limiting grooves are symmetrically formed in the inner wall of the side face of the circular cylinder, and the limiting plates are slidably mounted in the limiting grooves.
As a still further scheme of the invention: the fixed mounting of the side symmetry of top cap has two horizontal sections, and the interpolation of horizontal section of thick bamboo has the horizontal pole, and the top groove has been seted up at the top of overhead tank, and the bottom of top cap is pegged graft and is had the sealing ring, and the bottom of sealing ring is pegged graft at the top inslot, and the top cap passes through the top fixed connection of screw thread and overhead tank.
As a still further scheme of the invention: the bottom of top cap is provided with the stirring subassembly, and the stirring subassembly includes the cylinder, and the output fixed mounting of cylinder has the mounting panel, and the bottom fixed mounting of mounting panel has the motor, and the output fixed mounting of motor has the output shaft, and fixed cover is equipped with the sleeve pipe on the output shaft, and the fixed mounting of sheathed tube side symmetry has a plurality of flabellums, and the bottom of flabellum is provided with a plurality of vertical bars, and a plurality of vertical bars evenly set up for equidistant.
As a still further scheme of the invention: be provided with oil tank and energy storage heat transfer device in the base, and the input of oil tank passes through pipeline fixed connection with energy storage heat transfer device's output, and the inner wall of overhead tank is provided with the spiral pipeline, and the both ends of spiral pipeline respectively with advance oil pipe and go out oil pipe through fixed connection, advance oil pipe and the output through fixed connection of oil tank, go out oil pipe and energy storage heat transfer device's input through fixed connection, the base is the annular setting.
As a still further scheme of the invention: the fixed cover in outside bottom of overhead tank is equipped with the sheath, is provided with thermal-insulated cotton in the sheath, and thermal-insulated cotton and overhead tank contact.
As a still further scheme of the invention: the bottom of overhead tank is provided with the installation component, and the installation component includes the bottom plate, and the bottom plate is pegged graft in the bottom of overhead tank, the top of bottom plate and the bottom inner wall coplane of overhead tank, fixed mounting has a plurality of reference columns on the bottom plate, and the side of bottom plate still overlaps and is equipped with the sealing washer, and the sealing washer just extends to the overhead tank bottom is run through on the reference column top, and the bottom fixed mounting of bottom plate has the fixed block, and square groove has been seted up to one side of fixed block.
As a still further scheme of the invention: the bottom fixed mounting of overhead tank has the horizontal piece, and one side of horizontal piece is pegged graft and is had the cylinder, and the cover is equipped with the second spring on the cylinder, and the second spring setting is in the horizontal piece, and the threaded rod is installed through the screw thread to the opposite side of horizontal piece, and one side fixed mounting of threaded rod has the stopper, and the opposite side fixed mounting of threaded rod has the piece soon, and cylindrical one side fixed mounting has the fixture block, and the fixture block is pegged graft in the square inslot of fixed block one side.
Compared with the prior art, the invention has the beneficial effects that:
1. under the action of the pressure of the booster pump, the blocking block can move towards the direction of the connecting port, the pressure can be boosted in the pressure tank through the through hole and the inner hole, when the booster pump stops working, the blocking block is contacted with the inclined plane again under the action of the first spring, the good air tightness can be ensured, certain pressure can be kept, the limiting plate is slidably arranged in the limiting groove, the blocking block is enabled to operate stably, the rotating block is rotated to enable the pressure relief groove to be positioned between the side walls of the side barrel, and the air pressure in the pressure tank can be released out, so that the safety is realized;
2. the cylinder is matched with the motor, so that the height adjustment and rotation of the fan blades can be realized, the excess material with waste heat can be turned by utilizing the vertical bars, so that heat can be rapidly transferred out, the heat-conducting oil enters the spiral pipeline through the oil inlet pipe, the heat-conducting oil can be heated through the waste heat and then enters the energy storage heat exchange device through the oil outlet pipe, the energy storage heat exchange device recovers and recycles the heat, and the protective sleeve and the heat insulation cotton are arranged, so that more preheating loss in the pressure tank can be prevented;
3. in the in-service use, can establish the sealing washer with the cover on the bottom plate and fix a position through the reference column, rotate and revolve the piece, can make the fixture block on the cylinder remove to the fixed block, can carry out spacing installation to the bottom plate, when needs are dismantled, can rotate and revolve the piece, the cylinder resets under the effect of second spring, the stopper makes the threaded rod can not drop, and the bottom plate installation is with dismantle all more convenient.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic top cross-sectional view of a protection device according to the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
fig. 5 is an enlarged schematic view of the region a in fig. 4.
In the figure: 1. a pressure tank; 2. a base; 3. a top cover; 4. a protection component; 5. a stirring assembly; 6. mounting the component; 11. a support pillar; 21. an oil tank; 22. an energy storage heat exchange device; 23. an oil inlet pipe; 24. an oil outlet pipe; 25. a helical conduit; 26. heat insulation cotton; 27. a sheath; 31. a transverse cylinder; 32. a cross bar; 33. a top groove; 34. a seal ring; 41. a top pillar; 42. a circular cylinder; 43. connecting a pipeline; 44. a booster pump; 45. blocking; 46. a bevel; 47. a connecting port; 48. a side drum; 49. a cross post; 410. an inner bore; 411. a through hole; 412. a limiting plate; 413. a limiting groove; 414. a first spring; 415. a threaded post; 416. a round block; 417. a pressure relief groove; 418. rotating the block; 51. a cylinder; 52. mounting a plate; 53. a motor; 54. a fan blade; 55. an output shaft; 56. a sleeve; 57. vertical bars; 61. a base plate; 62. a seal ring; 63. a positioning column; 64. a fixed block; 65. a transverse block; 66. a cylinder; 67. a clamping block; 68. a threaded rod; 69. a limiting block; 610. a second spring; 611. and (6) rotating the block.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 5, the embodiment of the present invention is as follows:
the utility model provides a can carry out pressure regulation waste heat recovery's pressure vessel, includes pressure tank 1, and the top of pressure tank 1 is provided with top cap 3, and the fixed mounting of the bottom symmetry of pressure tank 1 has four support columns 11, and the common fixed mounting in bottom of four support columns 11 has base 2, and the top of top cap 3 is provided with protection component 4.
The protection component 4 comprises a top column 41, the top column 41 is fixedly installed at the top of the top cover 3 in a penetrating way, the top of the side surface of the round cylinder 42 is fixedly installed with a connecting port 47 in a penetrating way, one end of the connecting port 47 is fixedly installed with the round cylinder 42 in a penetrating way, one end of the round cylinder 42 is fixedly installed with a side cylinder 48 in a penetrating way, a cross column 49 is inserted into the connecting port 47, one end of the cross column 49 is fixedly installed with a blocking block 45, the outer side of the cross column 49 is sleeved with a first spring 414, the first spring 414 and the blocking block 45 are both arranged inside the round tube 42, the inner hole 410 is arranged inside the cross column 49, a plurality of through holes 411 which are communicated with the inner hole 410 are also arranged on the cross column 49, and a plurality of through holes 411 are annularly formed on the periphery of the cross column 49, an inclined surface 46 is formed on the inner wall of one end of the circular cylinder 42, one end of the blocking block 45 and the inclined surface 46 are matched components, a connecting pipeline 43 is fixedly installed at the bottom of the side cylinder 48 in a penetrating mode, and a booster pump 44 is fixedly installed at one end of the connecting pipeline 43.
In fig. 1 and 2: one side of the side cylinder 48 is provided with a threaded column 415 through threads, the threaded column 415 is provided with a pressure relief groove 417, the pressure relief groove 417 is of a U-shaped structure, one end of the threaded column 415 is fixedly provided with a round block 416, the round block 416 is inserted into one end of the blocking block 45, the other end of the threaded column 415 is fixedly provided with a rotating block 418, and the rotating block 418 is of a regular hexagonal prism and can be subjected to pressure relief; two limiting plates 412 are symmetrically and fixedly mounted on one side of the blocking block 45, two limiting grooves 413 are symmetrically formed in the inner wall of the side face of the circular cylinder 42, and the limiting plates 412 are slidably mounted in the limiting grooves 413, so that stability is improved.
In fig. 1 and 3: the fixed mounting of top cap 3's side symmetry has two horizontal sections of thick bamboo 31, and has pegged graft horizontal pole 32 in the horizontal section of thick bamboo 31, and top groove 33 has been seted up at the top of overhead tank 1, and it has sealing ring 34 to peg graft in the bottom of top cap 3, and peg graft in top groove 33 in the bottom of sealing ring 34, and top cap 3 passes through the top fixed connection of screw thread and overhead tank 1, conveniently carries out fixed mounting to top cap 3.
In fig. 3: the bottom of top cap 3 is provided with stirring subassembly 5, stirring subassembly 5 includes cylinder 51, the output fixed mounting of cylinder 51 has mounting panel 52, the bottom fixed mounting of mounting panel 52 has motor 53, motor 53's output fixed mounting has output shaft 55, the fixed cover is equipped with sleeve 56 on the output shaft 55, the fixed mounting of the side symmetry of sleeve 56 has a plurality of flabellums 54, the bottom of flabellum 54 is provided with a plurality of vertical bars 57, and a plurality of vertical bars 57 evenly set up for the equidistant, can stir, make the heat can derive fast.
In fig. 3 and 4: an oil tank 21 and an energy storage and heat exchange device 22 are arranged in the base 2, the input end of the oil tank 21 is fixedly connected with the output end of the energy storage and heat exchange device 22 through a pipeline, a spiral pipeline 25 is arranged on the inner wall of the pressure tank 1, two ends of the spiral pipeline 25 are respectively communicated and fixedly connected with an oil inlet pipe 23 and an oil outlet pipe 24, the oil inlet pipe 23 is communicated and fixedly connected with the output end of the oil tank 21, the oil outlet pipe 24 is communicated and fixedly connected with the input end of the energy storage and heat exchange device 22, and the base 2 is arranged annularly and can recover energy; the outer bottom of the pressure tank 1 is fixedly sleeved with a sheath 27, heat insulation cotton 26 is arranged in the sheath 27, and the heat insulation cotton 26 is in contact with the pressure tank 1, so that heat loss is less.
In fig. 4 and 5: the bottom of the pressure tank 1 is provided with the mounting assembly 6, the mounting assembly 6 comprises a bottom plate 61, the bottom plate 61 is inserted at the bottom of the pressure tank 1, the top of the bottom plate 61 is coplanar with the inner wall of the bottom of the pressure tank 1, a plurality of positioning columns 63 are fixedly mounted on the bottom plate 61, a sealing ring 62 is further sleeved on the side surface of the bottom plate 61, the top ends of the positioning columns 63 penetrate through the sealing ring 62 and extend to the bottom of the pressure tank 1, a fixing block 64 is fixedly mounted at the bottom of the bottom plate 61, and a square groove is formed in one side of the fixing block 64, so that the mounting tightness of the bottom plate 61 is good; bottom fixed mounting of overhead tank 1 has horizontal bar 65, one side of horizontal bar 65 is pegged graft and is had cylinder 66, the cover is equipped with second spring 610 on the cylinder 66, second spring 610 sets up in horizontal bar 65, threaded rod 68 is installed through the screw thread to the opposite side of horizontal bar 65, one side fixed mounting of threaded rod 68 has stopper 69, the opposite side fixed mounting of threaded rod 68 has spiral block 611, one side fixed mounting of cylinder 66 has fixture block 67, and fixture block 67 pegs graft in the square inslot of fixed block 64 one side, make things convenient for bottom plate 61 to carry out fixed mounting.
The working principle of the invention is as follows: the residual materials such as coal slag and the like can be placed in the pressure tank 1, the top cover 3 is arranged at the top of the pressure tank 1, the pressure in the pressure tank 1 can be boosted by starting the booster pump 44, so that the pressure in the pressure tank 1 can be adjusted according to the booster pump 44, the heat recovery effect is better, the top cover 3 can be conveniently installed by arranging the transverse cylinder 31 and the transverse rod 32, and the air tightness in the pressure tank can be ensured by arranging the sealing ring 34;
the booster pump 44 is connected with the side cylinder 48 through the connecting pipeline 43, the blocking block 45 can move towards the connecting port 47 under the action of pressure, the pressure can be boosted into the pressure tank 1 through the through hole 411 and the inner hole 410, when the booster pump 44 stops working, the blocking block 45 is contacted with the inclined plane 46 again under the action of the first spring 414, good air tightness can be ensured, high pressure can be kept, the limiting plate 412 is slidably arranged in the limiting groove 413, the movement of the blocking block 45 can be limited, the blocking block 45 runs stably, the rotating block 418 is rotated, the pressure relief groove 417 is positioned between the side walls of the side cylinder 48, the blocking block 45 is not contacted with the inclined plane 46, and the air pressure in the pressure tank 1 can be relieved safely;
the cylinder 51 is matched with the motor 53, so that the height adjustment and rotation of the fan blades 54 can be realized, the excess material with waste heat can be turned by utilizing the vertical bar 57, so that heat can be quickly transferred out, heat conduction oil is arranged in the oil tank 21, the heat conduction oil enters the spiral pipeline 25 through the oil inlet pipe 23, the heat conduction oil can be heated through the waste heat, and then enters the energy storage and heat exchange device 22 through the oil outlet pipe 24, the energy storage and heat exchange device 22 recovers and reuses the heat, the heat conduction oil is transferred out, finally the heat conduction oil returns to the oil tank 21, and the protective sleeve 27 and the heat insulation cotton 26 are arranged, so that the pressure tank 1 can be prevented from being preheated and dissipated more;
in the in-service use, can establish sealing washer 62 and fix a position through reference column 63 with the cover on bottom plate 61, rotate and revolve piece 611, can make fixture block 67 on the cylinder 66 remove to fixed block 64, can carry out spacing installation to bottom plate 61, when needs are dismantled, rotatable piece 611 revolves, and cylinder 66 resets under the effect of second spring 610, and stopper 69 makes threaded rod 68 can not drop, and bottom plate 61 installation and dismantlement are all more convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. A pressure vessel capable of carrying out pressure regulation waste heat recovery comprises a pressure tank (1) and is characterized in that a top cover (3) is arranged at the top of the pressure tank (1), four support columns (11) are symmetrically and fixedly installed at the bottom of the pressure tank (1), a base (2) is fixedly installed at the bottoms of the four support columns (11) together, and a protection assembly (4) is arranged at the top of the top cover (3);
the protection component (4) comprises a top column (41), the top column (41) is communicated and fixedly installed at the top of the top cover (3), a connecting port (47) is communicated and fixedly installed at the top of the side face of the round cylinder (42), a round cylinder (42) is communicated and fixedly installed at one end of the connecting port (47), a side cylinder (48) is communicated and fixedly installed at one end of the round cylinder (42), a cross column (49) is inserted into the connecting port (47), a blocking block (45) is fixedly installed at one end of the cross column (49), a first spring (414) is sleeved on the outer side of the cross column (49), the first spring (414) and the blocking block (45) are both arranged inside the round cylinder (42), an inner hole (410) is formed inside the cross column (49), a plurality of through holes (411) communicated with the inner hole (410) are further formed in the cross column (49), and the plurality of through holes (411) are annularly formed in the periphery of the cross column (49), an inclined plane (46) is formed in the inner wall of one end of the round cylinder (42), one end of the blocking block (45) and the inclined plane (46) are matched components, a connecting pipeline (43) is fixedly installed at the bottom of the side cylinder (48) in a penetrating mode, and a booster pump (44) is fixedly installed at one end of the connecting pipeline (43).
2. The pressure container capable of recycling the pressure-regulated waste heat according to claim 1, wherein a threaded column (415) is installed on one side of the side tube (48) through threads, a pressure relief groove (417) is formed in the threaded column (415), the pressure relief groove (417) is set to be a U-shaped structure, a round block (416) is fixedly installed at one end of the threaded column (415), the round block (416) is connected to one end of the block (45) in an inserting mode, a rotating block (418) is fixedly installed at the other end of the threaded column (415), and the rotating block (418) is set to be a regular hexagonal prism.
3. The pressure vessel capable of recycling waste heat generated by pressure regulation according to claim 1, wherein two limiting plates (412) are symmetrically and fixedly installed on one side of the block (45), two limiting grooves (413) are symmetrically formed on the inner wall of the side surface of the circular cylinder (42), and the limiting plates (412) are slidably installed in the limiting grooves (413).
4. The pressure vessel capable of recycling the waste heat of pressure regulation according to claim 1, wherein two horizontal cylinders (31) are symmetrically and fixedly mounted on the side surface of the top cover (3), a cross rod (32) is inserted into each horizontal cylinder (31), a top groove (33) is formed in the top of the pressure tank (1), a sealing ring (34) is inserted into the bottom of the top cover (3), the bottom of the sealing ring (34) is inserted into the top groove (33), and the top cover (3) is fixedly connected with the top of the pressure tank (1) through threads.
5. The pressure vessel capable of recycling waste heat with pressure regulation according to claim 1, wherein a stirring assembly (5) is disposed at the bottom of the top cover (3), the stirring assembly (5) comprises a cylinder (51), a mounting plate (52) is fixedly mounted at the output end of the cylinder (51), a motor (53) is fixedly mounted at the bottom of the mounting plate (52), an output shaft (55) is fixedly mounted at the output end of the motor (53), a sleeve (56) is fixedly sleeved on the output shaft (55), a plurality of fan blades (54) are fixedly mounted at the side surfaces of the sleeve (56) symmetrically, a plurality of vertical bars (57) are disposed at the bottom of the fan blades (54), and the vertical bars (57) are uniformly disposed at equal intervals.
6. The pressure vessel capable of recycling waste heat generated by pressure regulation according to claim 1, wherein an oil tank (21) and an energy storage and heat exchange device (22) are disposed in the base (2), an input end of the oil tank (21) is fixedly connected with an output end of the energy storage and heat exchange device (22) through a pipeline, a spiral pipeline (25) is disposed on an inner wall of the pressure tank (1), two ends of the spiral pipeline (25) are fixedly connected with an oil inlet pipe (23) and an oil outlet pipe (24) respectively, the oil inlet pipe (23) is fixedly connected with an output end of the oil tank (21) through, the oil outlet pipe (24) is fixedly connected with an input end of the energy storage and heat exchange device (22) through, and the base (2) is annularly disposed.
7. The pressure vessel capable of recovering waste heat through pressure regulation as claimed in claim 1, wherein a sheath (27) is fixedly sleeved at the bottom of the outer side of the pressure tank (1), heat insulation cotton (26) is arranged in the sheath (27), and the heat insulation cotton (26) is in contact with the pressure tank (1).
8. The pressure vessel capable of recycling the waste heat through pressure regulation according to claim 1, wherein a mounting assembly (6) is arranged at the bottom of the pressure tank (1), the mounting assembly (6) comprises a bottom plate (61), the bottom plate (61) is inserted into the bottom of the pressure tank (1), the top of the bottom plate (61) is coplanar with the inner wall of the bottom of the pressure tank (1), a plurality of positioning columns (63) are fixedly mounted on the bottom plate (61), a sealing ring (62) is further sleeved on the side surface of the bottom plate (61), the top ends of the positioning columns (63) penetrate through the sealing ring (62) and extend to the bottom of the pressure tank (1), a fixing block (64) is fixedly mounted at the bottom of the bottom plate (61), and a square groove is formed in one side of the fixing block (64).
9. The pressure vessel capable of recycling the waste heat of pressure regulation according to claim 8, wherein a cross block (65) is fixedly installed at the bottom of the pressure tank (1), a cylinder (66) is inserted into one side of the cross block (65), a second spring (610) is sleeved on the cylinder (66), the second spring (610) is arranged in the cross block (65), a threaded rod (68) is installed on the other side of the cross block (65) through threads, a limiting block (69) is fixedly installed on one side of the threaded rod (68), a rotating block (611) is fixedly installed on the other side of the threaded rod (68), a clamping block (67) is fixedly installed on one side of the cylinder (66), and the clamping block (67) is inserted into a square groove on one side of the fixing block (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111662035.8A CN114321361A (en) | 2021-12-30 | 2021-12-30 | Pressure vessel capable of carrying out pressure regulation and waste heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111662035.8A CN114321361A (en) | 2021-12-30 | 2021-12-30 | Pressure vessel capable of carrying out pressure regulation and waste heat recovery |
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| CN114321361A true CN114321361A (en) | 2022-04-12 |
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