CN117367055B - CO (carbon monoxide)2Heat pump drying device - Google Patents
CO (carbon monoxide)2Heat pump drying device Download PDFInfo
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- CN117367055B CN117367055B CN202311291546.2A CN202311291546A CN117367055B CN 117367055 B CN117367055 B CN 117367055B CN 202311291546 A CN202311291546 A CN 202311291546A CN 117367055 B CN117367055 B CN 117367055B
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- 238000001035 drying Methods 0.000 title claims abstract description 51
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title 1
- 229910002091 carbon monoxide Inorganic materials 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
The invention discloses a CO 2 heat pump drying device, which belongs to the technical field of heat pump drying devices and comprises a support base, wherein a CO 2 heat pump system is arranged in the support base, a drying mechanism is arranged on the upper surface of the support base, the drying mechanism comprises a storage component for storing materials, a gas transmission component for supporting, supplying gas, adjusting height and driving the storage component, and an exhaust component for supplying and exhausting the storage component, the gas transmission component is arranged at the bottom of the storage component, the exhaust component is arranged at the top of the gas transmission component, and a limiting top plate for limiting the exhaust component is arranged above the support base; through the mutually supporting of many structures, make drying device can break up the material of embracing the group to through the multiple position adjustment to the material, make the dry hot air can carry out the abundant contact at no dead angle with the material, make drying device better to the drying effect of material.
Description
Technical Field
The invention belongs to the technical field of heat pump drying devices, and particularly relates to a CO 2 heat pump drying device.
Background
The heat pump is a heat lifting device essentially, the high-temperature heat pump dryer unit utilizes the inverse Carnot principle to absorb heat from the surrounding environment and transfer the heat to a heated object, and the working principle is the same as that of a refrigerator and works according to the inverse Carnot cycle, and the difference is that the working temperature ranges are different;
The traditional CO 2 heat pump drying device comprises a stirring drying cylinder, a base bracket, an air inlet pipeline, an air outlet pipeline, a drying cylinder air inlet pipe, a discharge port, stirring blades, a control panel and other structures, and has the advantages that the drying gas can be reused;
However, the traditional drying device has a relatively simple stirring structure, so that the hot drying air cannot fully contact with the materials without dead angles, the drying effect of the drying device on the materials is not ideal, and improvement is urgently needed.
Disclosure of Invention
The invention aims to provide a CO 2 heat pump drying device to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a CO 2 heat pump drying device, includes the support base, the inside of support base is provided with CO 2 heat pump system, the upper surface of support base is provided with drying mechanism, drying mechanism is including being used for playing the storage subassembly of storing the effect to the material, be used for playing the gas-supply subassembly of support, the air feed, altitude mixture control and driving effect, be used for playing the exhaust subassembly of feed and exhaust effect to the storage subassembly, the gas-supply subassembly sets up in the bottom of storage subassembly, the exhaust subassembly sets up at the top of gas-supply subassembly, the top of support base is provided with the spacing roof that is used for playing spacing effect to the exhaust subassembly, the upper surface both ends of support base are provided with a plurality of spacing bracing piece that is used for playing the supporting effect to spacing roof, the both ends of CO 2 heat pump system are provided with a plurality of back flow corresponding with the exhaust subassembly.
As a further scheme of the invention: the storage subassembly includes a storage section of thick bamboo, and the both ends of a storage section of thick bamboo are provided with spacing bearing, and spacing bearing's both ends are provided with spacing slider, and spacing bracing piece orientation one side fixedly connected with of a storage section of thick bamboo and spacing slider sliding connection's spacing slide, the bottom of a storage section of thick bamboo is provided with a plurality of and arranges the material pipe, is provided with a plurality of first kickoff on the inner wall of a storage section of thick bamboo.
As still further aspects of the invention: the bottom of the storage cylinder is fixedly connected with a guide cover, and the upper surface of the guide cover is provided with a plurality of second stirring plates for stirring materials.
As still further aspects of the invention: the gas transmission assembly comprises a first limiting support plate, a gas transmission pipe corresponding to the CO 2 heat pump system is fixedly connected to the first limiting support plate, a plurality of exhaust pipes are arranged at the top of the gas transmission pipe, a transmission gear pipe fixedly connected with the storage cylinder is rotatably connected to the bottom of the exhaust pipe, a driver is arranged on one side of the gas transmission pipe, and a driving gear for driving the storage cylinder to rotate in cooperation with the transmission gear pipe is arranged at the output end of the driver.
As still further aspects of the invention: the upper side of first spacing backup pad is provided with the spacing ring that is used for playing a supporting role to the storage section of thick bamboo, and the upper surface of spacing ring is provided with a plurality of spacing ball, and the upper surface of first spacing backup pad is provided with a plurality of and is used for playing the altitude mixture control spare of altitude mixture control effect to spacing ring.
As still further aspects of the invention: the exhaust assembly comprises a feeding pipe, a hollow exhaust barrel is fixedly connected to the bottom of the feeding pipe and is rotationally connected with a storage barrel, a limiting rod is fixedly connected to the top of the hollow exhaust barrel and is in sliding connection with a limiting top plate, and a connecting hose communicated with a return pipe is further arranged at the top of the hollow exhaust barrel.
As still further aspects of the invention: the bottom of the hollow exhaust barrel is fixedly connected with an annular filter screen.
As still further aspects of the invention: the inside of cavity aiutage is provided with a plurality of clearance piece that is used for playing the clearance effect to annular filter screen, is provided with the spacing backup pad of a plurality of second on the inner wall of cavity aiutage, and the lower surface of the spacing backup pad of second is provided with the elastic connection spare that is used for playing the effect of shaking to the clearance piece.
As still further aspects of the invention: the lower surface of support base is provided with a plurality of elastic protection plates that are used for playing anti-skidding and shock-absorbing roles.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure and convenient use, and the drying device can break up the material of the holding group through the mutual matching of a plurality of structures when in use, and the hot drying air can fully contact with the material without dead angles through the multiple position adjustment of the material, so that the drying effect of the drying device on the material is better, and the invention is worthy of popularization and use.
Drawings
FIG. 1 is a schematic diagram of a CO 2 heat pump drying apparatus;
FIG. 2 is a schematic diagram of a drying mechanism in a CO 2 heat pump drying apparatus;
FIG. 3 is a schematic diagram of a gas delivery assembly in a CO 2 heat pump drying apparatus;
FIG. 4 is a schematic diagram of the exhaust assembly of a CO 2 heat pump dryer;
FIG. 5 is a schematic diagram of the structure of a feed pipe in a CO 2 heat pump drying apparatus;
In the figure: 1-supporting base, 2-return pipe, 3-drying mechanism, 4-spacing roof, 5-spacing slide, 6-spacing bracing piece, 7-CO 2 heat pump system, 8-elasticity guard plate, 31-gas delivery subassembly, 32-storage subassembly, 33-exhaust subassembly, 310-driver, 311-gas delivery pipe, 312-transmission gear pipe, 313-first spacing backup pad, 314-altitude mixture control piece, 315-spacing ring, 316-blast pipe, 317-spacing ball, 318-driving gear, 320-guide cover, 321-storage cylinder, 322-spacing slider, 323-spacing bearing, 324-first deflector, 325-second deflector, 326-discharge pipe, 330-annular filter screen, 331-hollow exhaust cylinder, 332-connecting hose, 333-spacing lever, 334-feed pipe, 335-second spacing backup pad, 336-elasticity connector, 337-cleaning piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example.
The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 and 2, the embodiment provides a CO 2 heat pump drying device, including a support base 1, a CO 2 heat pump system 7 is provided in the support base 1, a drying mechanism 3 is provided on the upper surface of the support base 1, the drying mechanism 3 includes a storage component 32 for storing materials, a gas transmission component 31 for supporting, supplying gas, adjusting height and driving the storage component 32, a gas exhaust component 33 for supplying and exhausting the storage component 32, the gas transmission component 31 is provided at the bottom of the storage component 32, the gas exhaust component 33 is provided at the top of the gas transmission component 31, a limit top plate 4 for limiting the gas exhaust component 33 is provided above the support base 1, a plurality of limit support rods 6 for supporting the limit top plate 4 are provided at two ends of the upper surface of the support base 1, a plurality of return pipes 2 corresponding to the gas exhaust component 33 are provided at two ends of the CO 2 heat pump system 7, a plurality of elastic protection plates 8 for anti-skid and shock absorption are provided on the lower surface of the support base 1, and the elastic protection plates 8 are rubber plates or rubber plates.
Referring to fig. 1 and 2, in an embodiment, in order to make the use of the storage component 32 more reliable, preferably, in this embodiment, the storage component 32 includes a storage cylinder 321, two ends of the storage cylinder 321 are provided with a limit bearing 323, two ends of the limit bearing 323 are provided with a limit sliding block 322, one side of the limit supporting rod 6 facing the storage cylinder 321 is fixedly connected with a limit sliding plate 5 slidably connected with the limit sliding block 322, through the cooperation setting of the limit sliding plate 5, the limit sliding block 322 and the limit bearing 323, the storage cylinder 321 has a function of vertically reciprocating movement while rotating, a plurality of discharge pipes 326 are arranged at the bottom of the storage cylinder 321, a plurality of first stirring plates 324 are arranged on the inner wall of the storage cylinder 321, the bottom of the storage cylinder 321 is fixedly connected with a guide cover 320, and a plurality of second stirring plates 325 for stirring materials are arranged on the upper surface of the guide cover 320.
In another embodiment, the storage component 32 comprises a storage barrel 321, limiting bearings 323 are arranged at two ends of the storage barrel 321, limiting sliding sleeves are arranged at two ends of the limiting bearings 323, limiting supporting rods 6 are fixedly connected with limiting sliding rods which are in sliding connection with the limiting sliding sleeves towards one side of the storage barrel 321, the storage barrel 321 is provided with a function of vertically and reciprocally moving while rotating through the matched arrangement of the limiting sliding sleeves, the limiting sliding rods and the limiting bearings 323, a plurality of discharging pipes 326 are arranged at the bottom of the storage barrel 321, a plurality of first stirring plates 324 are arranged on the inner wall of the storage barrel 321, a guide cover 320 is fixedly connected to the bottom of the storage barrel 321, and a plurality of second stirring plates 325 which are used for stirring materials are arranged on the upper surface of the guide cover 320.
Referring to fig. 1, 2 and 3, in one embodiment, in order to make the use of the air delivery assembly 31 more reliable, in this embodiment, preferably, the air delivery assembly 31 includes a first limit support plate 313, the first limit support plate 313 is fixedly connected with a support base 1, an air delivery pipe 311 corresponding to the CO 2 heat pump system 7 is fixedly connected to the first limit support plate 313, a plurality of exhaust pipes 316 are disposed at the top of the air delivery pipe 311, a transmission gear tube 312 fixedly connected to the storage cylinder 321 is rotatably connected to the bottom of the exhaust pipe 316, the transmission gear tube 312 penetrates through the bottom of the storage cylinder 321, a driver 310 is disposed at one side of the air delivery pipe 311, the driver 310 is a motor, a driving gear 318 for driving the storage cylinder 321 to rotate is disposed at an output end of the driver 310, a limit ring 315 for supporting the storage cylinder 321 is disposed above the first limit support plate 313, a plurality of limit balls 317 are disposed on an upper surface of the limit ring 315, and a plurality of height adjusting cylinders 314 for adjusting height of the limit rings 315 are disposed on an upper surface of the first limit support plate 313.
In another embodiment, the air delivery assembly 31 includes a first spacing supporting plate 313, the first spacing supporting plate 313 is fixedly connected with a supporting base 1, an air delivery pipe 311 corresponding to the CO 2 heat pump system 7 is fixedly connected to the first spacing supporting plate 313, a plurality of air discharge pipes 316 are arranged at the top of the air delivery pipe 311, a transmission gear pipe 312 fixedly connected with a storage cylinder 321 is rotatably connected to the bottom of the air discharge pipe 316, the transmission gear pipe 312 penetrates through the bottom of the storage cylinder 321, a driver 310 is arranged on one side of the air delivery pipe 311, the driver 310 is a pneumatic motor, an output end of the driver 310 is provided with a driving gear 318 for driving the storage cylinder 321 to rotate in cooperation with the transmission gear pipe 312, a spacing circular ring 315 for supporting the storage cylinder 321 is arranged above the first spacing supporting plate 313, a plurality of spacing balls 317 are arranged on the upper surface of the spacing circular ring 315, a plurality of height adjusting members 314 for height adjusting the spacing circular ring 315 are arranged on the upper surface of the first spacing supporting plate 313, and the height adjusting members 314 are cylinders.
Referring to fig. 1, 2, 4 and 5, in one embodiment, in order to make the use of the exhaust assembly 33 more reliable, preferably, in this embodiment, the exhaust assembly 33 includes a feed pipe 334, the feed pipe 334 is slidably connected with a limiting top plate 4, a hollow exhaust pipe 331 rotationally connected with the storage barrel 321 is fixedly connected to the bottom of the feed pipe 334, a limiting rod 333 slidably connected with the limiting top plate 4 is fixedly connected to the top of the hollow exhaust pipe 331, a connecting hose 332 communicated with the return pipe 2 is further provided at the top of the hollow exhaust pipe 331, an annular filter screen 330 is fixedly connected to the bottom of the hollow exhaust pipe 331, a plurality of cleaning members 337 for cleaning the annular filter screen 330 are provided inside the hollow exhaust pipe 331, the cleaning members 337 are stainless steel rods, a plurality of second limiting support plates 335 are provided on the inner wall of the hollow exhaust pipe 331, an elastic connecting member 336 for vibrating the cleaning members 337 is provided on the lower surface of the second limiting support plates 335, and the elastic connecting member 336 is a spring.
In another embodiment, the exhaust component 33 includes a feeding pipe 334, the feeding pipe 334 is slidably connected with a limiting top plate 4, a hollow exhaust pipe 331 rotationally connected with the storage cylinder 321 is fixedly connected at the bottom of the feeding pipe 334, a limiting rod 333 slidably connected with the limiting top plate 4 is fixedly connected at the top of the hollow exhaust pipe 331, a connecting hose 332 communicated with the return pipe 2 is further arranged at the top of the hollow exhaust pipe 331, an annular filter screen 330 is fixedly connected at the bottom of the hollow exhaust pipe 331, a plurality of cleaning pieces 337 for cleaning the annular filter screen 330 are arranged inside the hollow exhaust pipe 331, the cleaning pieces 337 are ceramic plates, a plurality of second limiting support plates 335 are arranged on the inner wall of the hollow exhaust pipe 331, elastic connecting pieces 336 for vibrating the cleaning pieces 337 are arranged on the lower surface of the second limiting support plates 335, and the elastic connecting pieces 336 are elastic rubber bands.
The working principle and the using flow of the invention are as follows: when the device is used, material particles to be dried are injected into the storage cylinder 321 through the feed pipe 334, then the feed end of the feed pipe 334 is blocked, then the CO 2 heat pump system 7 is controlled to supply dry hot air to the storage cylinder 321 through the air pipe 311, the materials in the storage cylinder 321 are dried through the dry hot air, and then the air flows back into the CO 2 heat pump system 7 again through the connecting hose 332 and the return pipe 2, so that the recycling of the hot air is realized;
In the process of drying materials, the storage cylinder 321 is driven to rotate by the driver 310, at the moment, the storage cylinder 321 drives the materials to rotate, the first stirring plate 324 and the second stirring plate 325 play a stirring role on the materials in the storage cylinder 321, so that the materials are continuously subjected to position change, meanwhile, the exhaust pipe 316-degree materials play a stirring role, the dispersing effect of the materials is improved, the drying hot air is supplied through the exhaust pipe 316, the contact effect of the drying hot air and the materials is improved, the materials with the blocking are scattered by the rotation of the first stirring plate 324 and the second stirring plate 325, and meanwhile, the height adjusting piece 314 is controlled to continuously extend and shrink, at the moment, the storage cylinder 321 performs vertical reciprocating movement, so that the materials in the storage cylinder 321 are continuously thrown up and fall down, the materials in the storage cylinder 321 are further subjected to position change, and the materials are fully contacted with the drying hot air in an all-round and dead-angle-free manner by the rotation and the vertical reciprocating movement of the materials, so that the drying device realizes all-round uniform drying of the materials without dead angles;
In the process of drying materials, the annular filter screen 330 plays a role in filtering, the materials are prevented from entering the hollow exhaust barrel 331 to block the connecting hose 332, secondly, in the process of vertically reciprocating the storage barrel 321, the hollow exhaust barrel 331 vertically reciprocates along with the storage barrel 321, at the moment, the elastic connecting piece 336 plays a role in vibrating the cleaning piece 337, so that the cleaning piece 337 vertically reciprocates, the cleaning piece 337 intermittently knocks the annular filter screen 330, the materials retained on the lower surface of the annular filter screen 330 fall off through the knocking, the annular filter screen 330 is prevented from being blocked, the materials are discharged through the discharge pipe 326 after the materials are dried, the discharge speed of the discharge pipe 326 can be improved through the vertically reciprocating movement of the storage barrel 321, and the discharge pipe 326 is prevented from being blocked in the use process;
therefore, the materials with the agglomeration are scattered by the drying device through the mutual matching of the multiple structures, and the hot air for drying can be fully contacted with the materials without dead angles through the multiple position adjustment of the materials, so that the drying effect of the drying device on the materials is better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. The utility model provides a CO 2 heat pump drying device, includes the support base, and the inside of support base is provided with CO 2 heat pump system, its characterized in that: the upper surface of the supporting base is provided with a drying mechanism, the drying mechanism comprises a storage component used for storing materials, a gas transmission component used for supporting, supplying gas, adjusting height and driving the storage component, and an exhaust component used for supplying and exhausting the storage component, the gas transmission component is arranged at the bottom of the storage component, the exhaust component is arranged at the top of the gas transmission component, a limit top plate used for limiting the exhaust component is arranged above the supporting base, a plurality of limit supporting rods used for supporting the limit top plate are arranged at two ends of the upper surface of the supporting base, and a plurality of return pipes corresponding to the exhaust component are arranged at two ends of the CO 2 heat pump system;
The storage assembly comprises a storage cylinder, two ends of the storage cylinder are provided with limiting bearings, two ends of each limiting bearing are provided with limiting sliding blocks, one side of each limiting supporting rod, which faces the storage cylinder, is fixedly connected with a limiting sliding plate which is in sliding connection with the limiting sliding blocks, the bottom of the storage cylinder is provided with a plurality of discharge pipes, and the inner wall of the storage cylinder is provided with a plurality of first stirring plates;
The bottom of the storage cylinder is fixedly connected with a guide cover, and the upper surface of the guide cover is provided with a plurality of second stirring plates for stirring materials;
The gas transmission assembly comprises a first limiting support plate, a gas transmission pipe corresponding to the CO 2 heat pump system is fixedly connected to the first limiting support plate, a plurality of exhaust pipes are arranged at the top of the gas transmission pipe, a transmission gear pipe fixedly connected with the storage cylinder is rotatably connected to the bottom of the exhaust pipe, a driver is arranged on one side of the gas transmission pipe, and a driving gear for driving the storage cylinder to rotate in cooperation with the transmission gear pipe is arranged at the output end of the driver;
A limiting circular ring used for supporting the storage cylinder is arranged above the first limiting support plate, a plurality of limiting balls are arranged on the upper surface of the limiting circular ring, and a plurality of height adjusting pieces used for adjusting the height of the limiting circular ring are arranged on the upper surface of the first limiting support plate;
The exhaust assembly comprises a feeding pipe, a hollow exhaust barrel is fixedly connected with the bottom of the feeding pipe and is rotationally connected with the storage barrel, a limiting rod is fixedly connected with the top of the hollow exhaust barrel and is in sliding connection with a limiting top plate, and a connecting hose communicated with a return pipe is further arranged at the top of the hollow exhaust barrel;
The bottom of the hollow exhaust barrel is fixedly connected with an annular filter screen;
The inside of cavity aiutage is provided with a plurality of clearance piece that is used for playing the clearance effect to annular filter screen, is provided with the spacing backup pad of a plurality of second on the inner wall of cavity aiutage, and the lower surface of the spacing backup pad of second is provided with the elastic connection spare that is used for playing the effect of shaking to the clearance piece.
2. The CO 2 heat pump drying unit according to claim 1, wherein: the lower surface of support base is provided with a plurality of elastic protection plates that are used for playing anti-skidding and shock-absorbing roles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311291546.2A CN117367055B (en) | 2023-10-08 | CO (carbon monoxide)2Heat pump drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311291546.2A CN117367055B (en) | 2023-10-08 | CO (carbon monoxide)2Heat pump drying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117367055A CN117367055A (en) | 2024-01-09 |
| CN117367055B true CN117367055B (en) | 2024-06-07 |
Family
ID=
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