CN109513321B - Freezing type drying machine for large warehouse - Google Patents
Freezing type drying machine for large warehouse Download PDFInfo
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- CN109513321B CN109513321B CN201811462146.2A CN201811462146A CN109513321B CN 109513321 B CN109513321 B CN 109513321B CN 201811462146 A CN201811462146 A CN 201811462146A CN 109513321 B CN109513321 B CN 109513321B
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- return pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
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- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a freezing type dryer for a large warehouse, which comprises a freezing device, wherein the left side of the freezing device is fixedly connected with a first air inlet pipe and a first exhaust pipe; one ends of the first air inlet pipe and the first exhaust pipe, which are far away from the refrigerating device, are fixedly connected with a cooling device; the front end and the rear end of the cooling device are fixedly connected with a first heat return pipe, and the left side and the right side of the first heat return pipe are fixedly connected with a second heat return pipe; the outer end of the second heat return pipe and the front end and the rear end of the first heat return pipe are fixedly connected with a second exhaust pipe; the lower parts of the first heat return pipe and the second heat return pipe are fixedly connected with a second air inlet pipe; the second heat return pipe, the second exhaust pipe and the second air inlet pipe are uniformly distributed according to the storage space of the warehouse; the invention can circularly dry the gas in the warehouse three-dimensionally; the refrigerating device and the cooling device are separately arranged, so that later maintenance is facilitated; the air inlet can automatically adjust the height; thus, the dry air can be directly sprayed on the surface of the goods, and the drying quality of the drying target is greatly improved.
Description
Technical Field
The invention relates to the field of dryers, in particular to a freezing type dryer for a large warehouse.
Background
The freezing type dryer adopts the working principle of temperature reduction and condensation and mainly comprises a heat exchange system, a refrigerating system and an electric control system. The compressed air firstly enters a precooler to remove a part of heat energy and then enters a cold-hot air exchanger to exchange heat with cold air which is cooled to a pressure dew point from an evaporator, so that the temperature of the compressed air is further reduced; then the compressed air enters an evaporator to exchange heat with a refrigerant, the temperature of the compressed air is reduced to 0-8 ℃, moisture in the air is separated out at the temperature, and the air is separated by a gas-water separator and then discharged by an automatic drainer; and the dry low-temperature air enters the cold-hot air exchanger for heat exchange, and is output after the temperature is increased.
The existing freezing type drying machine aiming at a large-scale warehouse is not free from the force; in a huge space, certain humidity is difficult to be ensured only by local drying; the existing drying machines are all designed in an intensive way, and all parts are compactly arranged; for air drying of a large warehouse, a high-power dryer and high-output instruments are needed, and the service life is relatively short; subsequent maintenance is carried out; the intensive design is only suitable for one-time use, and is inconvenient for later operation and maintenance; the invention can provide a three-dimensional air drying effect for the warehouse and can not interfere with the transportation of goods in the warehouse during working.
Disclosure of Invention
In order to solve the above problems, the present invention adopts the following technical solutions.
A freezing type dryer for a large warehouse comprises a freezing device, wherein a first air inlet pipe and a first exhaust pipe are fixedly connected to the left side of the freezing device; one ends of the first air inlet pipe and the first exhaust pipe, which are far away from the refrigerating device, are fixedly connected with a cooling device; the front end and the rear end of the cooling device are fixedly connected with a first heat return pipe, and the left side and the right side of the first heat return pipe are fixedly connected with a second heat return pipe; the outer end of the second heat return pipe and the front end and the rear end of the first heat return pipe are fixedly connected with a second exhaust pipe; the lower parts of the first heat return pipe and the second heat return pipe are fixedly connected with a second air inlet pipe; the second heat return pipe, the second exhaust pipe and the second air inlet pipe are uniformly distributed according to the storage space of the warehouse;
the refrigerating device comprises a refrigerating device main body, wherein the left side and the right side in the refrigerating device main body are respectively and fixedly connected with an evaporator and a condenser; the front side of the refrigerating device main body is fixedly connected with a compressor; the evaporator, the condenser and the compressor are fixedly connected in pairs through return pipes; a throttle valve is arranged in the middle of a return pipe arranged between the evaporator and the condenser, and a pressure gauge is arranged in the middle of the return pipe arranged between the evaporator and the compressor; a steam-water separator is fixedly connected to the front side of the evaporator; the left side of the steam-water separator is fixedly connected with the right end of the first air inlet pipe; the rear side of the evaporator is fixedly connected with one end of the first exhaust pipe.
Preferably, the cooling device comprises a port plate and a cooling device main body, and the top of the port plate is fixedly connected with the lower part of the cooling device main body; a first through cavity is formed in the lower side of the interior of the valve plate, and a second through cavity and a third through cavity are formed in the upper side of the interior of the valve plate; the front end and the rear end of the first through cavity and the second through cavity are fixedly connected with the inner side of the first heat return pipe; the right end of the first through cavity is fixedly connected with the left end of the first air inlet pipe; the upper end of the second through cavity is fixedly connected with a first connecting pipe, the upper end of the third through cavity is fixedly connected with a second connecting pipe, and the upper ends of the first connecting pipe and the second connecting pipe are fixedly connected with the front side and the rear side of the cooling device main body;
the second air inlet pipe comprises a connecting ring, and a telescopic pipe is fixedly connected to the lower end of the connecting ring; the lower end of the telescopic pipe is fixedly connected with a counterweight ring, the upper end of the counterweight ring, close to the lower port of the telescopic pipe, is fixedly connected with a traction rope, the outer side of the connecting ring is fixedly connected with a first pulley, the right side of the connecting ring is provided with a second pulley, and the second pulley is fixedly connected with a second regenerative pipe; a transmission device is arranged on the right side of the second pulley and is fixedly connected with the second heat return pipe; the traction rope is rotatably connected with the transmission device through a first pulley and a second pulley; the refrigerating device and the transmission device are both electrically connected with an external power supply.
Preferably, a heat dissipation curved pipe is fixedly connected inside the cooling device main body, and first heat dissipation fins are fixedly connected to the periphery of the heat dissipation curved pipe; the front end and the rear end of the heat dissipation curved pipe are respectively communicated with the second connecting pipe and the first connecting pipe; an air-cooled fan is arranged on the left side of the heat dissipation curved pipe; the air-cooled fan is fixedly connected with the cooling device main body; the air-cooled fan is electrically connected with an external power supply.
Preferably, a first through hole is formed around the connecting ring, and the traction rope is arranged in the first through hole.
Preferably, the first heat recovery pipe and the second heat recovery pipe both comprise pipe walls, radiating pipes are arranged inside the pipe walls, and the outer ends of the radiating pipes arranged inside the second heat recovery pipe are fixedly connected with the upper ends of the second exhaust pipes; the second exhaust pipe is communicated with the radiating pipe, and the pipe wall is communicated with the second air inlet pipe.
Preferably, the periphery of the radiating pipe is fixedly connected with second radiating fins, and the second radiating fins are provided with second through holes.
Compared with the prior art, the invention has the advantages that:
compared with the prior art, the second exhaust pipe and the second air inlet pipe can suck wet and cold gas into the cooling device, and the moisture in the cooling device is separated through the refrigerating device; the dried gas passes through the first heat return pipe and the second heat return pipe to be further heated; the temperature is raised to avoid the contact of the dried cold air and the un-dried damp and hot air and prevent the dried cold air from condensing water at the pipe orifice from the second air inlet pipe; the dried gas is deposited below the warehouse due to low temperature and high density, and the dried wet and cold gas falls from the center of the warehouse; thereby causing the low density gas to be squeezed and move upwardly around the warehouse, and when the un-dried gas moves to the second exhaust port, the un-dried gas is absorbed by the second exhaust port to be dried; the three-dimensional circulation drying of the gas in the warehouse is realized; the refrigeration device and the cooling device are separately arranged, so that the later maintenance is convenient.
Furthermore, the air inlet can automatically adjust the height; thus, the dried air can be directly sprayed on the surface of the goods, and the goods can be always immersed in the environment of the dried gas; the drying quality of the drying target is greatly improved; when the goods in the warehouse are less, the extension pipe is extended; when more goods are stacked, the telescopic pipe is shortened, so that the interior of the warehouse can be more fully dried, and when the goods need to be transferred, the second air inlet pipe can be timely adjusted to avoid the interference of the telescopic pipe on the goods.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top cross-sectional view of the freezer of the present invention;
FIG. 3 is a front cross-sectional view of the cooling device of the present invention;
FIG. 4 is a left side cross-sectional view of the cooling device body of the present invention;
FIG. 5 is a schematic view of a second intake pipe configuration of the present invention;
FIG. 6 is a top view of the attachment ring of the present invention;
FIG. 7 is a schematic view of the inner structure of a second regenerative tube according to the present invention;
fig. 8 is an enlarged view of a structure shown in fig. 7.
The reference numbers in the figures illustrate:
1. a freezing device; 2. a first intake pipe; 3. a first exhaust pipe; 4. a cooling device; 5. a first heat return pipe; 6. a second regenerative tube; 7. a second exhaust pipe; 8. a second intake pipe; 9. a refrigeration device main body; 10. an evaporator; 11. a condenser; 12. a compressor; 13. a steam-water separator; 14. a return pipe; 15. a throttle valve; 16. a pressure gauge; 17. a valve plate; 18. a first through cavity; 19. a second through cavity; 20. a third through cavity; 21. a first connecting pipe; 22. a second connecting pipe; 23. a cooling device main body; 24. a heat dissipation curved pipe; 25. a first heat dissipation fin; 26. air cooling electric fans; 27. a connecting ring; 28. a telescopic pipe; 29. a counterweight ring; 30. a hauling rope; 31. a first pulley; 32. a second pulley; 33. a transmission device; 34. a first through hole; 35. a tube wall; 36. a radiating pipe; 37. a second heat dissipation fin; 38. a second via.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Referring to fig. 1 to 8, a freeze dryer for a large warehouse includes a freezing device 1, a first air inlet pipe 2 and a first air outlet pipe 3 fixedly connected to the left side of the freezing device 1; one ends of the first air inlet pipe 2 and the first exhaust pipe 3, which are far away from the refrigerating device 1, are fixedly connected with a cooling device 4; the front end and the rear end of the cooling device 4 are fixedly connected with a first heat return pipe 5, and the left side and the right side of the first heat return pipe 5 are fixedly connected with a second heat return pipe 6; the outer end of the second heat return pipe 6 and the front end and the rear end of the first heat return pipe 5 are fixedly connected with a second exhaust pipe 7; the lower parts of the first heat return pipe 5 and the second heat return pipe 6 are fixedly connected with a second air inlet pipe 8; the second heat return pipe 6, the second exhaust pipe 7 and the second air inlet pipe 8 are uniformly distributed according to the storage space of the warehouse;
the refrigerating device 1 comprises a refrigerating device main body 9, wherein an evaporator 10 and a condenser 11 are fixedly connected to the left side and the right side of the interior of the refrigerating device main body 9 respectively; a compressor 12 is fixedly connected to the front side of the refrigerating device main body 9; the evaporator 10, the condenser 11 and the compressor 12 are fixedly connected with each other through a return pipe 14; a throttle valve 15 is arranged in the middle of a return pipe 14 arranged between the evaporator 10 and the condenser 11, and a pressure gauge 16 is arranged in the middle of the return pipe 14 arranged between the evaporator 10 and the compressor 12; a steam-water separator 13 is fixedly connected to the front side of the evaporator 10; the left side of the steam-water separator 13 is fixedly connected with the right end of the first air inlet pipe 2; the rear side of the evaporator 10 is fixedly connected with one end of the first exhaust pipe 3.
The cooling device 4 comprises a port plate 17 and a cooling device main body 23, and the top of the port plate 17 is fixedly connected with the lower part of the cooling device main body 23; a first through cavity 18 is formed in the lower side of the interior of the valve plate 17, and a second through cavity 19 and a third through cavity 20 are formed in the upper side of the interior of the valve plate 17; the front end and the rear end of the first through cavity 18 and the second through cavity 19 are fixedly connected with the inner side of the first heat return pipe 5; the right end of the first through cavity 18 is fixedly connected with the left end of the first air inlet pipe 2; the upper end of the second through cavity 19 is fixedly connected with a first connecting pipe 21, the upper end of the third through cavity 20 is fixedly connected with a second connecting pipe 22, and the upper ends of the first connecting pipe 21 and the second connecting pipe 22 are fixedly connected with the front side and the rear side of the cooling device main body 23;
the second air inlet pipe 8 comprises a connecting ring 27, and an extension pipe 28 is fixedly connected to the lower end of the connecting ring 27; the lower end of the extension tube 28 is fixedly connected with a counterweight ring 29, the upper end of the counterweight ring 29 close to the lower port of the extension tube 28 is fixedly connected with a traction rope 30, the outer side of the connecting ring 27 is fixedly connected with a first pulley 31, the right side of the connecting ring 27 is provided with a second pulley 32, and the second pulley 32 is fixedly connected with the second regenerative tube 6; a transmission device 33 is arranged on the right side of the second pulley 32, and the transmission device 33 is fixedly connected with the second regenerative pipe 6; the traction rope 30 is rotationally connected with a transmission device 33 through a first pulley 31 and a second pulley 32; the refrigerating device 1 and the transmission device 33 are electrically connected to an external power source.
A heat dissipation curved pipe 24 is fixedly connected inside the cooling device main body 23, and first heat dissipation fins 25 are fixedly connected around the heat dissipation curved pipe 24; the front end and the rear end of the heat radiation curved pipe 24 are respectively communicated with the second connecting pipe 22 and the first connecting pipe 21; an air-cooled fan 26 is arranged at the left side of the heat dissipation curved pipe 24; the air-cooled electric fan 26 is fixedly connected with the cooling device main body 23; the air-cooled fan 26 is electrically connected with an external power supply.
The connection ring 27 is formed with a first through hole 34 at the periphery thereof, and the pulling rope 30 is disposed inside the first through hole 34.
The first heat return pipe 5 and the second heat return pipe 6 both comprise pipe walls 35, a radiating pipe 36 is arranged inside the pipe walls 35, and the outer ends of the radiating pipes 36 arranged inside the second heat return pipe 6 are fixedly connected with the upper end of the second exhaust pipe 7; the second exhaust pipe 7 is communicated with the radiating pipe 36, and the pipe wall 35 is communicated with the second inlet pipe 8.
The periphery of the heat dissipation pipe 36 is fixedly connected with a second heat dissipation fin 37, and the second heat dissipation fin 37 is provided with a second through hole 38.
The working principle is as follows:
when the invention is used, firstly, the second exhaust pipes 7 are arranged around the warehouse, and the second air inlet pipe 8 is suspended in the center of the warehouse; the cooling device 4 is arranged in the middle of the top of the warehouse; then the cooling device 4 is connected with the refrigerating device 1; the wet and cold air sinks below the warehouse, and the air with relatively high drying temperature floats above the warehouse; the goods stored in the warehouse are taken as dry objects and are surrounded by wet and cold air; the second exhaust pipe 7 and the second air inlet pipe 8 can suck wet and cold air into the cooling device 4, and then the moisture in the cooling device 1 is separated; the dried gas passes through a first regenerative tube 5 and a second regenerative tube 6 to be further heated; the temperature is raised to avoid the contact between the dried cold air and the un-dried damp and hot air, and the condensation of water at the pipe orifice of the dried cold air from the second air inlet pipe 8 is prevented; the dried gas is deposited below the warehouse due to low temperature and high density, so that the three-dimensional cyclic drying of the gas in the warehouse is realized; furthermore, when the goods in the warehouse are less, the air inlet can automatically adjust the height in order to fully dry the goods; thus, the dried air can be directly sprayed on the surface of the goods, and the goods can be always immersed in the environment of the dried gas; the specific implementation is as follows: the transmission device 33 is started, the transmission device 33 operates to drive the traction rope 30, the traction rope 30 shortens, the counterweight ring 29 is pulled, and the telescopic pipe 28 is compressed along with the shortening of the traction rope; conversely, the bellows 28 is extended; therefore, the interior of the warehouse can be dried more fully, and the second air inlet pipe 8 is adjusted in time to avoid the interference of the invention when the goods need to be transferred.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a large-scale warehouse is with freeze dryer which characterized in that: the refrigeration system comprises a refrigeration device (1), wherein a first air inlet pipe (2) and a first exhaust pipe (3) are fixedly connected to the left side of the refrigeration device (1); one ends of the first air inlet pipe (2) and the first exhaust pipe (3) far away from the refrigerating device (1) are fixedly connected with a cooling device (4); the front end and the rear end of the cooling device (4) are fixedly connected with a first heat return pipe (5), and the left side and the right side of the first heat return pipe (5) are fixedly connected with a second heat return pipe (6); the outer end of the second heat return pipe (6) and the front end and the rear end of the first heat return pipe (5) are fixedly connected with a second exhaust pipe (7); the lower parts of the first heat return pipe (5) and the second heat return pipe (6) are fixedly connected with a second air inlet pipe (8); the second heat return pipe (6), the second exhaust pipe (7) and the second air inlet pipe (8) are uniformly distributed according to the storage space of the warehouse; the second exhaust pipes (7) are arranged around the warehouse, the second air inlet pipe (8) is suspended in the center of the warehouse, and the cooling device (4) is arranged in the middle of the top of the warehouse;
the refrigerating device (1) comprises a refrigerating device main body (9), wherein an evaporator (10) and a condenser (11) are fixedly connected to the left side and the right side of the interior of the refrigerating device main body (9) respectively; a compressor (12) is fixedly connected to the front side of the refrigerating device main body (9); the evaporator (10), the condenser (11) and the compressor (12) are fixedly connected with each other through return pipes (14); a throttle valve (15) is arranged in the middle of a return pipe (14) arranged between the evaporator (10) and the condenser (11), and a pressure gauge (16) is arranged in the middle of the return pipe (14) arranged between the evaporator (10) and the compressor (12); a steam-water separator (13) is fixedly connected to the front side of the evaporator (10); the left side of the steam-water separator (13) is fixedly connected with the right end of the first air inlet pipe (2); the rear side of the evaporator (10) is fixedly connected with one end of the first exhaust pipe (3);
the second air inlet pipe (8) comprises a connecting ring (27), and a telescopic pipe (28) is fixedly connected to the lower end of the connecting ring (27); the lower end of the telescopic pipe (28) is fixedly connected with a counterweight ring (29), the upper end of the counterweight ring (29) close to the lower port of the telescopic pipe (28) is fixedly connected with a traction rope (30), the outer side of the connecting ring (27) is fixedly connected with a first pulley (31), the right side of the connecting ring (27) is provided with a second pulley (32), and the second pulley (32) is fixedly connected with a second regenerative pipe (6); a transmission device (33) is arranged on the right side of the second pulley (32), and the transmission device (33) is fixedly connected with the second heat recovery pipe (6); the traction rope (30) is rotationally connected with a transmission device (33) through a first pulley (31) and a second pulley (32); the refrigerating device (1) and the transmission device (33) are both electrically connected with an external power supply;
the first heat return pipe (5) and the second heat return pipe (6) both comprise pipe walls (35), a radiating pipe (36) is arranged inside each pipe wall (35), and the outer ends of the radiating pipes (36) arranged inside each second heat return pipe (6) are fixedly connected with the upper end of a second exhaust pipe (7); the second exhaust pipe (7) is communicated with the radiating pipe (36), and the pipe wall (35) is communicated with the second air inlet pipe (8); the periphery of the radiating pipe (36) is fixedly connected with second radiating fins (37), and second through holes (38) are formed in the second radiating fins (37).
2. The freeze dryer for large-scale warehouse as claimed in claim 1, wherein: the cooling device (4) comprises a port plate (17) and a cooling device main body (23), and the top of the port plate (17) is fixedly connected with the lower part of the cooling device main body (23); a first through cavity (18) is formed in the lower side of the interior of the valve plate (17), and a second through cavity (19) and a third through cavity (20) are formed in the upper side of the interior of the valve plate (17); the front end and the rear end of the first through cavity (18) and the second through cavity (19) are fixedly connected with the inner side of the first heat return pipe (5); the right end of the first through cavity (18) is fixedly connected with the left end of the first air inlet pipe (2); the second leads to first connecting pipe (21) of chamber (19) upper end fixedly connected with, the third leads to chamber (20) upper end fixedly connected with second connecting pipe (22), first connecting pipe (21) and second connecting pipe (22) upper end all with cooling device main part (23) front and back both sides fixed connection.
3. The freeze dryer for large-scale warehouse as claimed in claim 2, wherein: a heat dissipation curved pipe (24) is fixedly connected inside the cooling device main body (23), and first heat dissipation fins (25) are fixedly connected to the periphery of the heat dissipation curved pipe (24); the front end and the rear end of the heat dissipation curved pipe (24) are respectively communicated with the second connecting pipe (22) and the first connecting pipe (21); an air-cooled fan (26) is arranged on the left side of the heat dissipation curved pipe (24); the air-cooled fan (26) is fixedly connected with the cooling device main body (23); the air-cooled fan (26) is electrically connected with an external power supply.
4. The freeze dryer for large-scale warehouse as claimed in claim 2, wherein: first through holes (34) are formed in the periphery of the connecting ring (27), and the traction rope (30) is arranged in the first through holes (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462146.2A CN109513321B (en) | 2018-12-03 | 2018-12-03 | Freezing type drying machine for large warehouse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462146.2A CN109513321B (en) | 2018-12-03 | 2018-12-03 | Freezing type drying machine for large warehouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109513321A CN109513321A (en) | 2019-03-26 |
| CN109513321B true CN109513321B (en) | 2021-01-26 |
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ID=65794929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811462146.2A Expired - Fee Related CN109513321B (en) | 2018-12-03 | 2018-12-03 | Freezing type drying machine for large warehouse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109513321B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344626B (en) * | 2020-10-29 | 2022-01-28 | 安徽迈涛食品有限公司 | Freezing storage device that disinfects |
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|---|---|---|---|---|
| JPS58203382A (en) * | 1982-04-23 | 1983-11-26 | 山之内製薬株式会社 | Freezing dry warehouse |
| CN2279564Y (en) * | 1997-01-22 | 1998-04-22 | 黄清福 | Freezing type air drying device |
| CN205505468U (en) * | 2016-04-14 | 2016-08-24 | 连云港新江环保材料有限公司 | Freezing type compressing air drier |
| CN106091196A (en) * | 2016-06-23 | 2016-11-09 | 梁秀萍 | A kind of warehouse freezing temperature adjusting and dehumidifying system |
| CN205760508U (en) * | 2016-05-16 | 2016-12-07 | 中山阿凡达压缩设备有限公司 | A kind of freezing type drier |
| CN206636631U (en) * | 2017-02-19 | 2017-11-14 | 李涛 | A kind of wheeled tractor smoke intensity tests telescopic discharge duct |
| CN107726479A (en) * | 2017-09-23 | 2018-02-23 | 张曦曦 | A kind of air dehumidifier |
| CN207649229U (en) * | 2017-12-20 | 2018-07-24 | 广东聚华印刷显示技术有限公司 | Minton dryer |
| CN108834583A (en) * | 2018-07-20 | 2018-11-20 | 湖州维欧瑞自动化机械设备有限公司 | A kind of ventilated type raw grain storage facilities |
-
2018
- 2018-12-03 CN CN201811462146.2A patent/CN109513321B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58203382A (en) * | 1982-04-23 | 1983-11-26 | 山之内製薬株式会社 | Freezing dry warehouse |
| CN2279564Y (en) * | 1997-01-22 | 1998-04-22 | 黄清福 | Freezing type air drying device |
| CN205505468U (en) * | 2016-04-14 | 2016-08-24 | 连云港新江环保材料有限公司 | Freezing type compressing air drier |
| CN205760508U (en) * | 2016-05-16 | 2016-12-07 | 中山阿凡达压缩设备有限公司 | A kind of freezing type drier |
| CN106091196A (en) * | 2016-06-23 | 2016-11-09 | 梁秀萍 | A kind of warehouse freezing temperature adjusting and dehumidifying system |
| CN206636631U (en) * | 2017-02-19 | 2017-11-14 | 李涛 | A kind of wheeled tractor smoke intensity tests telescopic discharge duct |
| CN107726479A (en) * | 2017-09-23 | 2018-02-23 | 张曦曦 | A kind of air dehumidifier |
| CN207649229U (en) * | 2017-12-20 | 2018-07-24 | 广东聚华印刷显示技术有限公司 | Minton dryer |
| CN108834583A (en) * | 2018-07-20 | 2018-11-20 | 湖州维欧瑞自动化机械设备有限公司 | A kind of ventilated type raw grain storage facilities |
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| Publication number | Publication date |
|---|---|
| CN109513321A (en) | 2019-03-26 |
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Address after: 311300 Jin Cheng Jie Dao Xin Xi Qiao Cun, Lin'an City, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Paiqi air purification technology Co.,Ltd. Address before: 311300 Jin Cheng Jie Dao Xin Xi Qiao Cun, Lin'an City, Hangzhou City, Zhejiang Province Patentee before: LIN'AN PAIQI AIR PURIFYING TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20210126 Termination date: 20211203 |