CN213725681U - Pre-cooling circulation device for compressed air dryer - Google Patents
Pre-cooling circulation device for compressed air dryer Download PDFInfo
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- CN213725681U CN213725681U CN202022453146.5U CN202022453146U CN213725681U CN 213725681 U CN213725681 U CN 213725681U CN 202022453146 U CN202022453146 U CN 202022453146U CN 213725681 U CN213725681 U CN 213725681U
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- 238000001816 cooling Methods 0.000 title claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229920000742 Cotton Polymers 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 14
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model discloses a pre-cooling circulation device for a compressed air dryer, which comprises a shell, a clapboard is fixedly connected with the inner wall of the side end of the shell, a purifying box is arranged below the left side end of the clapboard, an evaporator is arranged at the right side end of the purifying box, a first pre-cooling device is fixed at the upper end of the clapboard, a second pre-cooling device is arranged at the right side end of the first pre-cooling device, the first pre-cooling device comprises a box body b, a fan b is fixed at the bottom of the box body b, a gas storage cavity is fixedly connected at the upper end of the fan b, an air nozzle is fixedly connected at the upper end of the gas storage cavity, the second pre-cooling device comprises a box body c, a coil pipe is arranged in the box body c, a motor is fixed at the bottom of the outer wall of the left side end of the box body c through a fixed plate, a shower spray head is arranged at the upper end of the coil pipe, the utility model can lead high-temperature compressed air to cool the evaporator in advance when being dried, therefore, the cooling time of the evaporator is reduced, and the service life of the evaporator is prolonged.
Description
Technical Field
The utility model relates to a compressed air equipment technical field specifically is a precooling circulating device for compressed air drying machine.
Background
The compressed air dryer is divided into a freezing type compressed air dryer which separates out moisture in wet air from the air after condensation by utilizing the principle of cooling the air and reducing the air temperature to obtain drier air. The adsorption type compressed air dryer utilizes the principle of pressure swing adsorption, and when wet air passes through the adsorbent, moisture is adsorbed by the adsorbent to obtain dry air.
The working mode of the existing freezing type air dryer is as follows: the compressed air with high humidity and high temperature flows into the evaporator, the heat exchange between the compressed air and the refrigerant is realized through the heat exchange function of the evaporator, the heat in the compressed air is taken away by the refrigerant, the compressed air is cooled rapidly, the moisture in the humid air reaches the saturation temperature and is condensed rapidly, the condensed moisture forms water drops after condensation, the water drops rotate at a high speed through the unique air-water separator, the moisture is separated from the air due to the action of centrifugal force, and the separated water is discharged from the automatic water discharge valve. The dew point of the air pressure after temperature reduction can reach 2 ℃ at least.
The existing refrigeration type air dryer generally relies on the evaporator to cool down when cooling down and drying, and the service life of the evaporator can be greatly reduced under the use of long-time high power, so the existing compressed air dryer needs to pre-cool the compressed air firstly before cooling down the high-temperature compressed air by utilizing the evaporator, but the existing compressed air pre-cooling mode is to convey high-temperature gas to the radiating pipe, the temperature of the radiating pipe is reduced, so that the temperature of the high-temperature compressed air in the radiating pipe is reduced, but the energy consumption is high by adopting the mode, the cooling efficiency is lower, and the refrigeration type air dryer has the defects in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a precooling circulating device for compressed air drying machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a precooling circulating device for a compressed air dryer comprises a shell, a partition plate is fixedly connected to the inner wall of the side end of the shell, a purifying box is arranged below the left side end of the partition plate, an evaporator is arranged at the right side end of the purifying box, a first precooling device is fixed at the upper end of the partition plate, a second precooling device is arranged at the right side end of the first precooling device, the first precooling device comprises a box body b, a fan b is fixed at the bottom of the box body b, a gas storage cavity is fixedly connected to the upper end of the fan b, an air nozzle is fixedly connected to the upper end of the gas storage cavity, the second precooling device comprises a box body c, a coiled pipe is arranged in the box body c, a switching sleeve a is fixed at the outer wall mouth of the left side end of the coiled pipe in a sleeving manner, a motor is fixed at the outer wall bottom of the left side end of the box body c through a fixing plate, a rotating shaft is fixedly connected to the rotating shaft, a switching sleeve b is fixed at the right side end of the rotating shaft in a sleeving manner, and is rotatably connected with the switching sleeve b through a belt, the upper end of the coiled pipe is provided with a shower spray head.
As a further aspect of the present invention: the utility model discloses a purification box, including casing left side end outer wall, fan a, baffle and evaporator right side end inner wall connection, casing left side end outer wall is fixed with fan a through the fixed plate, fan a passes through gas-supply pipe an and purification box left side end inner wall connection, purification box top outer wall right side end is equipped with gas-supply pipe b, gas-supply pipe b upper end is passed the baffle and is connected with first precooling apparatus left side end inner wall, be connected through gas-supply pipe c between first precooling apparatus and the second precooling apparatus, second precooling apparatus right side end inner wall is equipped with gas-supply pipe d, gas-supply pipe d lower extreme passes baffle and evaporator right side end inner wall connection, evaporator left side end outer wall upper portion is through gas-supply pipe e and fan b lower extreme fixed connection.
As a further aspect of the present invention: the air storage cavity is provided with a radiating pipe above, two ends of the radiating pipe are respectively connected with an air conveying pipe b and an air conveying pipe c, and a dry air conveying pipe is fixed on the inner wall of the top end of the box body b.
As a further aspect of the present invention: the left side end of the coiled pipe is rotationally connected with the pipe orifice at the right side end of the gas pipe c, the right side end of the coiled pipe is rotationally connected with the pipe orifice at the upper end of the gas pipe d, and the joints of the coiled pipe, the gas pipe c and the gas pipe d are both fixed with sealing rotating gaskets.
As a further aspect of the present invention: the water-cooled shower head is characterized in that a water storage tank is fixedly connected to the outer wall of the top of the shell, the lower end of the water storage tank is fixedly connected to the top end of the shower sprinkler head through a water pipe a, a water pipe b is arranged at the bottom of the inner wall of the right side end of the box body c, the other end of the water pipe b is fixedly connected to the lower end of a water pump, the water pump is fixedly connected to the bottom end of a water-cooled machine, the water-cooled machine is fixedly connected to the outer wall of the right side end of the shell through a mounting frame, and the upper end of the water-cooled machine is fixedly connected to the side end of the water storage tank through a water pipe c.
As a further aspect of the present invention: the evaporator and the purifying box are fixedly connected to the inner wall of the bottom of the shell, a refrigerant storage box is arranged at the left end of the evaporator, and the refrigerant storage box is connected with the outer wall of the left end of the evaporator through a conveying pipe.
As a further aspect of the present invention: the purifying box includes box an, be equipped with in the box an and filter the cotton board, filter the cotton board and fix in fixed frame an, fixed frame an upper end is fixed with through the welded mode and carries handle a, it is equipped with the activated carbon board to filter cotton board right side end, the activated carbon board is fixed in fixed frame b, fixed frame b upper end is fixed with through the welded mode and carries handle b, box an top outer wall is equipped with logical groove with fixed frame an and fixed frame b junction, the activated carbon board can slide in logical groove with filtering the cotton board.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a cooling tube that sets up can make the high temperature compressed air who lets in dispel the heat, can cool down the dry back compressed air of cooling down through gas storage chamber and air nozzle to the cooling tube through the fan b that sets up to can cool down high temperature compressed air for the first time, not only can cool down compressed air through this kind of mode, and can also make the compressed air temperature after the drying rise, prevent that dry back volume compressed air temperature from crossing excessively to cause the damage to the outlet duct.
2. The utility model discloses in, compressed air after the first cooling can enter into the coiled pipe through gas-supply pipe c in, the water tank accessible water pipe an and the shower sprinkler head that set up spray low-temperature water to the coiled pipe for the compressed air temperature in the coiled pipe reduces once more, and the motor accessible belt that sets up makes the coiled pipe rotate, thereby can make the compressed air cooling in the coiled pipe more even, make the effect of compressed air cooling better, can effectively prolong the life of evaporimeter.
Drawings
Fig. 1 is a front view of a pre-cooling circuit for a compressed air dryer.
Fig. 2 is a schematic sectional view of a first pre-cooling device in a pre-cooling cycle for a compressed air dryer in a front view.
Fig. 3 is a schematic sectional view of a second pre-cooling device in a front view for use in a pre-cooling cycle of a compressed air dryer.
Fig. 4 is a schematic sectional view in elevation of a purification tank of a pre-cooling cycle apparatus for a compressed air dryer.
In the figure: 1. a housing; 2. a partition plate; 3. a purification box; 3-1, filtering a cotton plate; 3-2, fixing frame a; 3-3, lifting a handle a; 3-4, an activated carbon plate; 3-5, fixing frame b; 3-6, lifting a handle; 3-7, a box body a; 4. a fan a; 5. a first pre-cooling device; 5-1, radiating pipes; 5-2, a fan b; 5-3, a gas storage cavity; 5-4, an air nozzle; 5-5, a box body b; 5-6, a dry gas conveying pipe; 6. a second pre-cooling device; 6-1, a coiled pipe; 6-2, a switching sleeve a; 6-3, a belt; 6-4, a motor; 6-5, a rotating shaft; 6-6, a switching sleeve b; 6-7, sealing the rotary gasket; 6-8, a box body c; 7. a water storage tank; 7-1, a shower spray head; 8. a water cooling machine; 9. a water pump; 10. an evaporator; 11. a refrigerant storage tank.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-3, a pre-cooling circulation device for a compressed air dryer comprises a housing 1, a partition plate 2 is fixedly connected to the inner wall of the side end of the housing 1, a purification box 3 is arranged below the left side end of the partition plate 2, an evaporator 10 is arranged at the right side end of the purification box 3, a first pre-cooling device 5 is fixed at the upper end of the partition plate 2, a second pre-cooling device 6 is arranged at the right side end of the first pre-cooling device 5, the first pre-cooling device 5 comprises a box body b5-5, a fan b5-2 is fixed at the bottom of the box body b5-5, a gas storage cavity 5-3 is fixedly connected to the upper end of the fan b5-2, an air nozzle 5-4 is fixedly connected to the upper end of the gas storage cavity 5-3, and the fan b5-2 can spray dried low-temperature compressed air onto a radiating pipe 5-1 through the gas storage cavity 5-3 and the air nozzle 5-4 through an air pipe e, the high-temperature compressed air in the radiating pipe 5-1 exchanges heat with dry low-temperature compressed air, the temperature of the low-temperature compressed air can be increased while the temperature of the high-temperature compressed air is reduced, and the low-temperature compressed air is prevented from damaging an air outlet pipe, the second precooling device comprises a box body c6-8, a coil pipe 6-1 is arranged in the box body c6-8, the coil pipe 6-1 is arranged to prolong the passing distance of the high-temperature compressed air, so that the contact time of the high-temperature compressed air and low-temperature water is longer, the cooling effect is better, an adapter sleeve a6-2 is fixed at the outer wall pipe orifice at the left end of the coil pipe 6-1 in a sleeving manner, a motor 6-4 is fixed at the bottom of the outer wall at the left end of the box body c6-8 through a fixing plate, a rotating shaft 6-5 is fixedly connected to the motor 6-4, and an adapter sleeve b6-6 is fixed at the right side of the rotating shaft 6-5 in a sleeving manner, the adapter sleeve a6-2 is rotatably connected with the adapter sleeve b6-6 through a belt 6-3, the set motor 6-4 can rotate the coiled pipe 6-1 through the belt 6-3, so that the coiled pipe 6-1 is more uniformly contacted with low-temperature water, the cooling effect of high-temperature compressed air is better, a shower spray head 7-1 is arranged at the upper end of the coiled pipe 6-1, a fan a4 is fixed on the outer wall of the left side end of the shell 1 through a fixing plate, the fan a4 is connected with the inner wall of the left side end of the purification box 3 through an air pipe a, an air pipe b is arranged at the right side end of the outer wall of the top of the purification box 3, the upper end of the air pipe b penetrates through the partition plate 2 to be connected with the inner wall of the left side end of the first precooling device 5, the first precooling device 5 is connected with the second precooling device 6 through an air pipe c, and the inner wall of the end of the second precooling device 6 is provided with an air pipe d, the lower end of a gas pipe d penetrates through the partition board 2 to be connected with the inner wall of the right side end of the evaporator 10, the upper part of the outer wall of the left side end of the evaporator 10 is fixedly connected with the lower end of a fan b5-2 through a gas pipe e, a radiating pipe 5-1 is arranged above the gas storage cavity 5-3, two ends of the radiating pipe 5-1 are respectively connected with the gas pipe b and the gas pipe c, a dry gas conveying pipe 5-6 is fixed on the inner wall of the top end of the box b5-5, the left side end of the coiled pipe 6-1 is rotatably connected with a pipe orifice of the right side end of the gas pipe c, the right side end of the coiled pipe 6-1 is rotatably connected with a pipe orifice of the upper end of the gas pipe d, a sealing rotating gasket 6-7 is fixed at the joint of the coiled pipe 6-1 and the gas pipe c and the gas pipe d, and the sealing rotating gasket 6-7 is arranged to prevent compressed air from escaping from the joint of the coiled pipe 6-1 and the gas pipe c and the gas pipe d, the outer wall of the top of the shell 1 is fixedly connected with a water storage tank 7, the lower end of the water storage tank 7 is fixedly connected with the top end of a shower sprinkler head 7-1 through a water pipe a, the bottom of the inner wall of the right side end of a box c6-8 is provided with a water pipe b, the other end of the water pipe b is fixedly connected with the lower end of a water pump 9, the water pump 9 is fixedly connected with the bottom end of a water cooling machine 8, the water cooling machine 8 is fixedly connected with the upper part of the outer wall of the right side end of the shell 1 through a mounting rack, the upper end of the water cooling machine 8 is fixedly connected with the side end of the water storage tank 7 through a water pipe c, the water cooling machine 8 is arranged for reducing the temperature of low-temperature water which is cooled by a coil pipe 6-1 so as to prevent the temperature of the low-temperature water from rising and reduce the cooling effect, and can enable the low-temperature water to be recycled, the evaporator 10 and the purification tank 3 are fixedly connected with the inner wall of the bottom of the shell 1, and the left end of the evaporator 10 is provided with a refrigerant storage tank 11, the refrigerant storage tank 11 is connected to the outer wall of the left side end of the evaporator 10 through a delivery pipe.
Referring to fig. 4, the purifying box 3 includes a box body a3-7, a filter cotton plate 3-1 is arranged in the box body a3-7, the filter cotton plate 3-1 is fixed in a fixing frame a3-2, a lifting handle a3-3 is fixed at the upper end of the fixing frame a3-2 by welding, an activated carbon plate 3-4 is arranged at the right side end of the filter cotton plate 3-1, the activated carbon plate 3-4 is fixed in a fixing frame b3-5, a lifting handle b3-6 is fixed at the upper end of the fixing frame b3-5 by welding, a through groove is arranged at the connection position of the outer wall of the top of the box body a3-7 and the fixing frame a3-2 and the fixing frame b3-5, the activated carbon plate 3-4 and the filter cotton plate 3-1 can slide in the through groove, the filter cotton plate 3-1 and the activated carbon plate 3-4 are arranged to roughly purify the high-temperature compressed air which is just conveyed, the excessive impurity mixed in the high-temperature compressed air is prevented, and the filtering cotton plate 3-1 and the activated carbon plate 3-4 can be conveniently pulled out by the arranged push-pull handle, so that the filtering cotton plate and the activated carbon plate are convenient to clean.
The utility model discloses a theory of operation is: firstly, a fan a4 sucks high-temperature compressed air compressed by an air compressor through an air suction pipe, and conveys the high-temperature compressed air into a purification box 3 through an air conveying pipe a, a filter cotton plate 3-1 and an active carbon plate 3-4 arranged in the purification box 3 can carry out coarse purification on the high-temperature compressed air so as to remove impurities mixed in the compressed air, then the purified high-temperature compressed air enters a radiating pipe 5-1 in a first precooling device 5 through an air conveying pipe b, and a fan b5-2 arranged can spray dried low-temperature compressed air onto the radiating pipe 5-1 through an air storage cavity 5-3 and an air nozzle 5-4 through an air conveying pipe e, so that the high-temperature compressed air in the radiating pipe 5-1 exchanges heat with the dried low-temperature compressed air, the temperature of the high-temperature compressed air is reduced, and the temperature of the low-temperature compressed air is increased, so as to prevent the low-temperature compressed air from damaging the air outlet pipe, then the high-temperature compressed air enters the coiled pipe 6-1 in the second precooling device 6 through the air delivery pipe c, the arranged water storage tank 7 sprays low-temperature water on the coiled pipe 6-1 through the shower spray head 7-1 through the water pipe a, so that the low-temperature water cools the compressed air in the coiled pipe 6-1, meanwhile, the motor 6-4 is started, the motor 6-4 can rotate the coiled pipe 6-1 through the belt 6-3, so that the contact between the coiled pipe 6-1 and the low-temperature water is more uniform, the effect of cooling the high-temperature compressed air is better, when the low-temperature water overflows the coiled pipe 6-1, the water storage tank 7 is controlled to stop spraying the low-temperature water, the low-temperature water is used for cooling the high-temperature compressed air again in a soaking mode, after a period of time, a water valve on the water pipe b is opened, the water pump 9 can convey the low-temperature water with increased temperature to the water cooling machine through the water pipe b for cooling, and finally the cooled low-temperature water enters the water storage tank 7 through the water pipe c for recycling. The compressed air cooled by the coiled pipe 6-1 can enter the evaporator 10 for drying through the air conveying pipe d, and the dried low-temperature compressed air exchanges heat with the high-temperature compressed air in the heat radiating pipe and then is conveyed to a required device through the dry air conveying pipe 5-6.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A pre-cooling circulating device for a compressed air dryer comprises a shell (1), a partition plate (2) is fixedly connected to the inner wall of the side end of the shell (1), a purifying box (3) is arranged below the left side end of the partition plate (2), an evaporator (10) is arranged at the right side end of the purifying box (3), and the pre-cooling circulating device is characterized in that a first pre-cooling device (5) is fixed at the upper end of the partition plate (2), a second pre-cooling device (6) is arranged at the right side end of the first pre-cooling device (5), the first pre-cooling device (5) comprises a box body b (5-5), a fan b (5-2) is fixed at the bottom of the box body b (5-5), a gas storage cavity (5-3) is fixedly connected at the upper end of the fan b (5-2), an air nozzle (5-4) is fixedly connected at the upper end of the gas storage cavity (5-3), and the second pre-cooling device comprises a box body c (6-8), a coil pipe (6-1) is arranged in a box body c (6-8), an adapter sleeve a (6-2) is fixed on an outer wall pipe orifice at the left side end of the coil pipe (6-1) in a sleeving mode, a motor (6-4) is fixed at the bottom of the outer wall at the left side end of the box body c (6-8) through a fixing plate, a rotating shaft (6-5) is fixedly connected onto the motor (6-4), an adapter sleeve b (6-6) is fixed at the right side end of the rotating shaft (6-5) in a sleeving mode, the adapter sleeve a (6-2) and the adapter sleeve b (6-6) are rotatably connected through a belt (6-3), and a shower spray head (7-1) is arranged at the upper end of the coil pipe (6-1).
2. A pre-cooling cycle device for a compressed air dryer according to claim 1, the novel solar water heater is characterized in that a fan a (4) is fixed on the outer wall of the left side end of the shell (1) through a fixing plate, the fan a (4) is connected with the inner wall of the left side end of the purification box (3) through a gas pipe a, a gas pipe b is arranged at the right side end of the outer wall of the top of the purification box (3), the upper end of the gas pipe b penetrates through a partition plate (2) to be connected with the inner wall of the left side end of the first precooling device (5), the first precooling device (5) is connected with the second precooling device (6) through a gas pipe c, a gas pipe d is arranged on the inner wall of the right side end of the second precooling device (6), the lower end of the gas pipe d penetrates through the partition plate (2) to be connected with the inner wall of the right side end of the evaporator (10), and the upper portion of the outer wall of the left side end of the evaporator (10) is fixedly connected with the lower end of the fan b (5-2) through a gas pipe e.
3. The pre-cooling circulation device for the compressed air dryer as claimed in claim 1, wherein a heat dissipation pipe (5-1) is arranged above the air storage chamber (5-3), two ends of the heat dissipation pipe (5-1) are respectively connected with the air pipe b and the air pipe c, and a dry air delivery pipe (5-6) is fixed on the inner wall of the top end of the box body b (5-5).
4. The pre-cooling circulation device for the compressed air dryer as claimed in claim 1, wherein the left side end of the coiled pipe (6-1) is rotatably connected with the right side end pipe orifice of the air delivery pipe c, the right side end of the coiled pipe (6-1) is rotatably connected with the upper end pipe orifice of the air delivery pipe d, and the joints of the coiled pipe (6-1) and the air delivery pipe c and the air delivery pipe d are respectively fixed with a sealing rotating gasket (6-7).
5. The pre-cooling circulation device for the compressed air dryer as claimed in claim 1, wherein the outer wall of the top of the housing (1) is fixedly connected with a water storage tank (7), the lower end of the water storage tank (7) is fixedly connected with the top end of the shower sprinkler head (7-1) through a water pipe a, the bottom of the inner wall of the right side end of the box c (6-8) is provided with a water pipe b, the other end of the water pipe b is fixedly connected with the lower end of a water pump (9), the water pump (9) is fixedly connected with the bottom end of a water cooler (8), the water cooler (8) is fixedly connected with the upper part of the outer wall of the right side end of the housing (1) through a mounting bracket, and the upper end of the water cooler (8) is fixedly connected with the side end of the water storage tank (7) through a water pipe c.
6. A pre-cooling cycle device for a compressed air dryer according to claim 1, characterized in that the evaporator (10) and the purification box (3) are both fixedly connected at the inner wall of the bottom of the casing (1), the left end of the evaporator (10) is provided with a refrigerant storage tank (11), and the refrigerant storage tank (11) is connected with the outer wall of the left end of the evaporator (10) through a conveying pipe.
7. The pre-cooling circulation device for the compressed air dryer according to claim 1, wherein the purification box (3) comprises a box body a (3-7), a filter cotton plate (3-1) is arranged in the box body a (3-7), the filter cotton plate (3-1) is fixed in a fixed frame a (3-2), a lifting handle a (3-3) is fixed at the upper end of the fixed frame a (3-2) in a welding manner, an activated carbon plate (3-4) is arranged at the right side end of the filter cotton plate (3-1), the activated carbon plate (3-4) is fixed in the fixed frame b (3-5), a lifting handle b (3-6) is fixed at the upper end of the fixed frame b (3-5) in a welding manner, a through groove is arranged at the joint of the fixed frame a (3-2) and the fixed frame b (3-5) on the outer wall of the top of the box body a (3-7), the active carbon plate (3-4) and the filtering cotton plate (3-1) can slide in the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022453146.5U CN213725681U (en) | 2020-10-29 | 2020-10-29 | Pre-cooling circulation device for compressed air dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022453146.5U CN213725681U (en) | 2020-10-29 | 2020-10-29 | Pre-cooling circulation device for compressed air dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213725681U true CN213725681U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022453146.5U Expired - Fee Related CN213725681U (en) | 2020-10-29 | 2020-10-29 | Pre-cooling circulation device for compressed air dryer |
Country Status (1)
| Country | Link |
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| CN (1) | CN213725681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532033A (en) * | 2022-11-08 | 2022-12-30 | 浙江盛尔气体设备制造有限公司 | Freezing type compression drying machine running in high-temperature environment |
-
2020
- 2020-10-29 CN CN202022453146.5U patent/CN213725681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532033A (en) * | 2022-11-08 | 2022-12-30 | 浙江盛尔气体设备制造有限公司 | Freezing type compression drying machine running in high-temperature environment |
| CN115532033B (en) * | 2022-11-08 | 2024-05-24 | 浙江盛尔气体设备制造有限公司 | Freezing type compression dryer running in high-temperature environment |
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Granted publication date: 20210720 |