CN112268384A - Heat absorption formula refrigeration plant - Google Patents
Heat absorption formula refrigeration plant Download PDFInfo
- Publication number
- CN112268384A CN112268384A CN202011167611.7A CN202011167611A CN112268384A CN 112268384 A CN112268384 A CN 112268384A CN 202011167611 A CN202011167611 A CN 202011167611A CN 112268384 A CN112268384 A CN 112268384A
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- Prior art keywords
- water tank
- pipe
- wall
- water
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 7
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to the technical field of refrigeration equipment and discloses heat absorption type refrigeration equipment which comprises a water tank, the lower surface of the water tank is fixedly provided with a motor, the output end of the motor is fixedly connected with a reciprocating screw rod, the reciprocating screw rod penetrates into the water tank, the rod walls at two ends are respectively and rotatably connected with the inner wall of the water tank through a first sealing bearing, the rod wall of the reciprocating screw rod is in threaded connection with a disc, two sides of the disc are symmetrically provided with limiting holes and are respectively movably sleeved with a limiting rod, two ends of each limiting rod are respectively and fixedly connected with the upper surface and the lower surface of the water tank, a plurality of through-holes have been seted up to the inside of disc, the fixed air exhauster that is equipped with in right side of water tank, the both ends of air exhauster are equipped with the intake pipe respectively, and the upper end the intake pipe runs through to the inside of water tank, the inside of water tank is equipped with supplementary cooling mechanism and filter mechanism. The invention reduces the manufacturing cost of the equipment and effectively improves the cooling speed.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to heat absorption type refrigeration equipment.
Background
Refrigeration equipment is a equipment that is used for reducing the temperature, and present refrigeration equipment mainly adopts the compressor compression to refrigerate, and this kind of refrigeration mode is relatively laggard, and refrigeration efficiency is relatively poor, and it is inconvenient to use, and refrigeration equipment's refrigeration efficiency is poor brings many troubles for the refrigerated going on, for this reason, we propose a heat absorption formula refrigeration equipment.
Wherein patent number is CN205481897U discloses a heat absorption formula refrigeration plant, including the bottom plate, the bottom plate upper surface is equipped with first compressor and second compressor, and first compressor passes through the pipe and is connected with the second compressor, the bottom plate upper surface is equipped with the condenser box to condenser box inside is fixed with the condenser pipe, the second compressor passes through the pipe and is connected with the one end of condenser pipe, and the inside evaporimeter that is equipped with of evaporator box.
But above-mentioned technical scheme need use more smart machine when using, and to simple indoor cooling, the manufacturing cost of equipment is higher.
The patent number CN207019173U discloses a refrigeration device, which comprises a shell, a heat exchanger and a water pan; the shell is provided with a downward air inlet; the heat exchanger is arranged in the shell; the water receiving tray is installed at the air inlet and is positioned below the heat exchanger and used for receiving condensed water generated by the heat exchanger.
But above-mentioned technical scheme can't effectively discharge outside heat when using, and the cooling rate is slower.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the supporting cost of equipment is high, heat outside the equipment cannot be effectively discharged, the manufacturing cost of the equipment is high, and the cooling speed is low, and provides heat absorption type refrigeration equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the heat absorption type refrigeration equipment comprises a water tank, wherein a motor is fixedly arranged on the lower surface of the water tank, the output end of the motor is fixedly connected with a reciprocating screw rod, the reciprocating screw rod penetrates into the water tank, the rod walls at two ends are respectively and rotatably connected with the inner wall of the water tank through a first sealing bearing, the rod wall of the reciprocating screw rod is in threaded connection with a disc, two sides of the disc are symmetrically provided with limiting holes and are respectively movably sleeved with a limiting rod, two ends of each limiting rod are respectively and fixedly connected with the upper surface and the lower surface of the water tank, a plurality of through holes are arranged inside the disc, an exhaust fan is fixedly arranged on the right side of the water tank, air inlet pipes are respectively arranged at two ends of the exhaust fan, the upper end of the air inlet pipe penetrates into the water tank, the inside of water tank is equipped with supplementary cooling mechanism and filtering mechanism, the inside of water tank is fixed and is equipped with the semiconductor refrigeration piece.
Preferably, supplementary cooling mechanism includes water pump and three-way pipe, the water pump is fixed to be set up in the left side wall of water tank and both ends and is fixed respectively and be equipped with the water pipe, the downside the lower extreme of water pipe runs through to the inside of water tank, the three-way pipe sets up in the inside of water tank and the upper end pipe wall rotates through the upper surface of second sealed bearing with the water tank and cup joints, the upside the other end of water pipe rotates through the upper end inner wall of third sealed bearing and three-way pipe to be connected, two output difference fixedly connected with atomizer of three-way pipe.
Preferably, the filtering mechanism includes sleeve pipe, first annular slab and second annular slab, the sleeve pipe sets up in the inside of water tank and the last fixed surface of upper end pipe wall and water tank cup joints, first annular slab and second annular slab are fixed to be set up and are provided with the cotton that absorbs water between sheathed tube inside and first annular slab and second annular slab, the apopore has been seted up to sheathed tube bilateral symmetry, the fixed outlet duct that has cup jointed of sheathed tube upper end inner wall.
Preferably, a connecting rod is fixedly arranged on the right side of the upper surface of the disc, a pressing plate is fixedly arranged at the upper end of the connecting rod, and the diameter of the pressing plate is slightly smaller than the inner diameter of the second annular plate.
Preferably, the pipe wall of the three-way pipe and the upper end rod wall of the reciprocating screw rod are fixedly sleeved with gears, and the two gears are in meshed connection.
Preferably, the lower surface of the water tank is symmetrically and fixedly provided with supporting legs, and fastening bolts are fixedly arranged inside the lower ends of the supporting legs.
Compared with the prior art, the invention provides heat absorption type refrigeration equipment, which has the following beneficial effects:
1. this heat absorption formula refrigeration plant through setting up in the inside supplementary cooling mechanism of water tank, can further improve cooling speed with atomizer spun water smoke contact after gaseous aquatic from the water tank is inside discharges.
2. This heat absorption formula refrigeration plant through setting up in the inside filtering mechanism of water tank, can filter the water smoke through atomizer spun before the gas discharge after the cooling, avoids water smoke to follow the outside of gas discharge water tank.
The parts not involved in the device are the same as or can be realized by adopting the prior art, the manufacturing cost of the device is reduced, and the cooling speed is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a heat absorption type refrigeration apparatus according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic top view of the disk of fig. 1.
In the figure: the device comprises a water tank 1, a motor 2, a reciprocating screw rod 3, a disc 4, a limiting rod 5, an exhaust fan 6, an air inlet pipe 7, a semiconductor refrigerating sheet 8, a water pump 9, a three-way pipe 10, a water pipe 11, an atomizing nozzle 12, a sleeve 13, a first annular plate 14, a second annular plate 15, water absorbent cotton 16, an air outlet pipe 17, a connecting rod 18, a pressing plate 19, a gear 20 and a supporting leg 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the embodiment 5, on the basis of the embodiment 2, as shown in fig. 1, the pipe wall of the three-way pipe 10 and the upper end rod wall of the reciprocating screw rod 3 are both fixedly sleeved with gears 20, and the two gears 20 are in meshed connection, so that the three-way pipe 10 is driven to rotate while the reciprocating screw rod 3 rotates.
Embodiment 7 as shown in fig. 1-3, the heat absorption refrigeration equipment comprises a water tank 1, a motor 2 is fixed on the lower surface of the water tank 1, an output end of the motor 2 is fixedly connected with a reciprocating screw rod 3, the reciprocating screw rod 3 penetrates into the water tank 1, rod walls at two ends are respectively rotatably connected with the inner wall of the water tank 1 through a first seal bearing, a disk 4 is in threaded connection with the rod wall of the reciprocating screw rod 3, limiting holes are symmetrically formed at two sides of the disk 4 and are respectively movably sleeved with limiting rods 5, two ends of each limiting rod 5 are respectively connected with the upper part of the water tank 1, the lower surface of the water tank is fixedly connected, a plurality of through holes are formed in the disc 4, an exhaust fan 6 is fixedly arranged on the right side of the water tank 1, air inlet pipes 7 are respectively arranged at two ends of the exhaust fan 6, the air inlet pipe 7 at the upper end penetrates into the water tank 1, an auxiliary cooling mechanism and a filtering mechanism are arranged in the water tank 1, and a semiconductor refrigerating sheet 8 is fixedly arranged in the water tank 1;
the auxiliary cooling mechanism comprises a water pump 9 and a three-way pipe 10, the water pump 9 is fixedly arranged on the left side wall of the water tank 1, two ends of the water pump are respectively and fixedly provided with a water pipe 11, the lower end of the lower water pipe 11 penetrates into the water tank 1, the three-way pipe 10 is arranged in the water tank 1, the upper end pipe wall of the three-way pipe 1 is rotatably sleeved with the upper surface of the water tank 1 through a second sealing bearing, the other end of the upper water pipe 11 is rotatably connected with the upper end inner wall of the three-way pipe 10 through a third sealing bearing, two output ends of the three-way pipe 10 are respectively and fixedly connected with an atomizing nozzle 12, the filtering mechanism comprises a sleeve 13, a first annular plate 14 and a second annular plate 15, the sleeve 13 is arranged in the water tank 1, the upper end pipe wall of the sleeve 13 is fixedly sleeved with the upper surface of the water tank 1, the first, the apopore has been seted up to the bilateral symmetry of sleeve pipe 13, the fixed outlet duct 17 that has connect of upper end inner wall of sleeve pipe 13, the fixed connecting rod 18 that is equipped with in upper surface right side of disc 4, the fixed clamp plate 19 that is equipped with in upper end of connecting rod 18, the diameter of clamp plate 19 slightly is less than the internal diameter of second annular plate 15, gear 20 has all been cup jointed fixedly to the pipe wall of three-way pipe 10 and the upper end pole wall of reciprocal lead screw 3, the meshing is connected between two gear 20, the lower fixed supporting legs 21 that is equipped with of lower surface symmetry of water tank 1, the inside fastening bolt.
In the invention, when in use, the exhaust fan 6 is opened, the exhaust fan 6 sucks gas with higher external temperature into the water tank 1, the motor 2 and the water pump 9 are started, the output end of the motor 2 drives the reciprocating screw rod 3 to rotate, the reciprocating screw rod 3 rotates and simultaneously moves the disc 4 to reciprocate up and down through the movable sleeve between the two limiting rods 5 and the corresponding limiting holes, so as to stir the water in the water tank 1, the temperature distribution of the water in the water tank 1 is convenient to be uniform, when the reciprocating screw rod 3 rotates, the reciprocating screw rod 3 drives the three-way pipe 10 to rotate through the meshing connection between the two gears 20, the three-way pipe 10 drives each atomizing nozzle 12 to rotate in the next year, the cooling effect is further improved, when the disc 4 moves, the pressing plate 19 is driven by the connecting rod 18 to move, and the pressing plate 19 extrudes the absorbent cotton 16 to prevent water sprayed out by the atomizing nozzle 12 from being discharged.
Compared with the prior art, the technical scheme can effectively absorb external heat when in use, and has the advantages of low manufacturing cost and good cooling effect.
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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The heat absorption type refrigeration equipment comprises a water tank (1) and is characterized in that a motor (2) is fixedly arranged on the lower surface of the water tank (1), a reciprocating lead screw (3) is fixedly connected to the output end of the motor (2), the reciprocating lead screw (3) penetrates into the water tank (1), rod walls at two ends of the reciprocating lead screw are respectively and rotatably connected with the inner wall of the water tank (1) through a first sealing bearing, a disc (4) is in threaded connection with the rod wall of the reciprocating lead screw (3), limiting holes are symmetrically formed in two sides of the disc (4) and are respectively and movably sleeved with a limiting rod (5), two ends of each limiting rod (5) are respectively and fixedly connected with the upper surface and the lower surface of the water tank (1), a plurality of through holes are formed in the disc (4), an exhaust fan (6) is fixedly arranged on the right side of the water tank (1), and air inlet pipes (7) are respectively arranged, upper end intake pipe (7) run through to the inside of water tank (1), the inside of water tank (1) is equipped with supplementary cooling mechanism and filtering mechanism, the inside of water tank (1) is fixed and is equipped with semiconductor refrigeration piece (8).
2. An endothermic cooling device as claimed in claim 1, characterized in that the auxiliary cooling mechanism comprises a water pump (9) and a three-way pipe (10), the water pump (9) is fixedly arranged on the left side wall of the water tank (1) and both ends of the water pump are respectively fixedly provided with a water pipe (11), the lower end of the lower side water pipe (11) penetrates the inside of the water tank (1), the three-way pipe (10) is arranged inside the water tank (1) and the upper end pipe wall is rotatably sleeved with the upper surface of the water tank (1) through a second sealing bearing, the other end of the upper side water pipe (11) is rotatably connected with the upper end inner wall of the three-way pipe (10) through a third sealing bearing, and two output ends of the three-way pipe (10) are respectively and fixedly connected with the atomizing nozzles (12).
3. The heat absorption type refrigeration equipment according to claim 1, wherein the filtering mechanism comprises a sleeve (13), a first annular plate (14) and a second annular plate (15), the sleeve (13) is arranged inside the water tank (1), the upper end wall of the sleeve is fixedly sleeved on the upper surface of the water tank (1), the first annular plate (14) and the second annular plate (15) are fixedly arranged inside the sleeve (13), water absorption cotton (16) is arranged between the first annular plate (14) and the second annular plate (15), water outlet holes are symmetrically formed in two sides of the sleeve (13), and an air outlet pipe (17) is fixedly sleeved on the upper end inner wall of the sleeve (13).
4. An endothermic cooling device according to claim 1, characterized in that a tie rod (18) is fixedly arranged on the right side of the upper surface of the circular plate (4), a pressure plate (19) is fixedly arranged on the upper end of the tie rod (18), and the diameter of the pressure plate (19) is slightly smaller than the inner diameter of the second annular plate (15).
5. An endothermic cooling device as claimed in claim 2, characterized in that the pipe wall of the three-way pipe (10) and the upper end rod wall of the reciprocating screw rod (3) are fixedly sleeved with gears (20), and the two gears (20) are engaged with each other.
6. An endothermic cooling device as claimed in claim 1, characterized in that the lower surface of the water tank (1) is symmetrically fixed with supporting feet (21), and the lower end of each supporting foot (21) is internally fixed with a fastening bolt.
7. The heat absorption type refrigeration equipment according to claim 1, comprising a water tank (1), wherein a motor (2) is fixedly arranged on the lower surface of the water tank (1), the output end of the motor (2) is fixedly connected with a reciprocating screw rod (3), the reciprocating screw rod (3) penetrates into the water tank (1), rod walls at two ends of the reciprocating screw rod are respectively and rotatably connected with the inner wall of the water tank (1) through a first sealing bearing, a disc (4) is in threaded connection with the rod wall of the reciprocating screw rod (3), limiting holes are symmetrically formed in two sides of the disc (4) and are respectively and movably sleeved with a limiting rod (5), two ends of each limiting rod (5) are respectively and fixedly connected with the upper surface and the lower surface of the water tank (1), a plurality of through holes are formed in the disc (4), an exhaust fan (6) is fixedly arranged on the right side of the water tank (1), the two ends of the exhaust fan (6) are respectively provided with an air inlet pipe (7), the air inlet pipe (7) at the upper end penetrates into the water tank (1), an auxiliary cooling mechanism and a filtering mechanism are arranged inside the water tank (1), and a semiconductor refrigerating sheet (8) is fixedly arranged inside the water tank (1);
the auxiliary cooling mechanism comprises a water pump (9) and a three-way pipe (10), the water pump (9) is fixedly arranged on the left side wall of the water tank (1), two ends of the water pump are respectively and fixedly provided with a water pipe (11), the lower end of the water pipe (11) at the lower side penetrates into the water tank (1), the three-way pipe (10) is arranged in the water tank (1), the pipe wall at the upper end of the three-way pipe (10) is rotatably sleeved with the upper surface of the water tank (1) through a second sealing bearing, the other end of the water pipe (11) at the upper side is rotatably connected with the inner wall at the upper end of the three-way pipe (10) through a third sealing bearing, two output ends of the three-way pipe (10) are respectively and fixedly connected with an atomizing nozzle (12), the filtering mechanism comprises a sleeve (13), a first annular plate (14) and a second annular plate (15), the sleeve (13) is arranged in the water, the first annular plate (14) and the second annular plate (15) are fixedly arranged inside the sleeve (13), water absorption cotton (16) is arranged between the first annular plate (14) and the second annular plate (15), water outlet holes are symmetrically formed in two sides of the sleeve (13), an air outlet pipe (17) is fixedly sleeved on the inner wall of the upper end of the sleeve (13), a connecting rod (18) is fixedly arranged on the right side of the upper surface of the disc (4), a pressing plate (19) is fixedly arranged at the upper end of the connecting rod (18), the diameter of the pressure plate (19) is slightly smaller than the inner diameter of the second annular plate (15), the pipe wall of the three-way pipe (10) and the upper end rod wall of the reciprocating screw rod (3) are fixedly sleeved with gears (20), the two gears (20) are in meshed connection, the lower surface symmetry of water tank (1) is fixed and is equipped with supporting legs (21), every the lower extreme inside of supporting legs (21) all is fixed and is equipped with fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167611.7A CN112268384A (en) | 2020-10-27 | 2020-10-27 | Heat absorption formula refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167611.7A CN112268384A (en) | 2020-10-27 | 2020-10-27 | Heat absorption formula refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112268384A true CN112268384A (en) | 2021-01-26 |
Family
ID=74344257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011167611.7A Withdrawn CN112268384A (en) | 2020-10-27 | 2020-10-27 | Heat absorption formula refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112268384A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439535A (en) * | 2021-12-29 | 2022-05-06 | 陕西正通煤业有限责任公司 | Local refrigeration fan for deep high-temperature mine |
-
2020
- 2020-10-27 CN CN202011167611.7A patent/CN112268384A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439535A (en) * | 2021-12-29 | 2022-05-06 | 陕西正通煤业有限责任公司 | Local refrigeration fan for deep high-temperature mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210126 |