CN210332203U - Blast circulation cooling dryer - Google Patents
Blast circulation cooling dryer Download PDFInfo
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- CN210332203U CN210332203U CN201920817920.0U CN201920817920U CN210332203U CN 210332203 U CN210332203 U CN 210332203U CN 201920817920 U CN201920817920 U CN 201920817920U CN 210332203 U CN210332203 U CN 210332203U
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Abstract
The utility model relates to the field of refrigeration dryers, and discloses a blast circulation cooling dryer, which mainly comprises a drying tower A and a drying tower B which are interconnected together through a pipeline and a valve and have the same structure, wherein the pipeline of a blast blower is connected with a lower pipeline through a pneumatic butterfly valve V6, and the pneumatic butterfly valve V4 is connected with a lower port of the drying tower B; the upper port of the drying tower B is connected with a pneumatic butterfly valve V10 through a pipeline, the pneumatic butterfly valve V10 is connected with a pneumatic butterfly valve V8, the pneumatic butterfly valve V8 is connected with a water-cooling rear cooler, the water-cooling rear cooler is connected with a back blower through a gas-water separator, and the air inlet end of compressed air is provided with an integrated valve. The cold machine of doing of this patent can carry out the cubic drying to compressed air to improve the drying precision of cold machine of doing, can satisfy the requirement to the dry gas higher accuracy.
Description
Technical Field
The utility model relates to a cold machine field of doing has especially related to blast air circulative cooling desiccator.
Background
The granted patent CN201020515983 of this company discloses a utility model patent "blast air heating inner circulation compressed air purification device", this utility model belongs to the improvement to prior art, it has simple structure, and convenient to use is reliable, and process flow is simple, and regeneration gas consumption is zero to can reach characteristics such as energy saving effect.
However, the temperature of the drying gas obtained by the application is relatively high, and the patent cannot be implemented when the drying gas with the lower temperature is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses complicated, the sealed effect poor to the structure that prior art exists connects inseparable shortcoming inadequately, provides the blast air circulative cooling desiccator.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the blowing circulation cooling dryer mainly comprises a drying tower A and a drying tower B which are mutually connected through a pipeline and a valve and have the same structure, wherein the pipeline of a blower is connected with a lower pipeline through a pneumatic butterfly valve I, and a pneumatic butterfly valve II is connected with a lower port of the drying tower B; the upper port of the drying tower B is connected with a third pneumatic butterfly valve through a pipeline, the third pneumatic butterfly valve is connected with a fourth pneumatic butterfly valve, the fourth pneumatic butterfly valve is connected with a water-cooling water rear cooler, the water-cooling water rear cooler is connected with a return air blower through a gas-water separator, an air inlet end of compressed air is provided with an integrated valve, and the valve comprises a third pneumatic butterfly valve and a fourth pneumatic butterfly valve which are connected through a pipeline
The valve body is used as a base body of the valve to support and protect the valve,
the valve cavity is used as a transition chamber for compressing air,
a butterfly valve used as a valve switch to control the compressed air to enter the valve cavity,
the filter component is used for filtering the air in the valve cavity,
the pressure relief valve is used for relieving pressure when the pressure in the valve cavity is too high, the valve body is provided with an air inlet and an air outlet, the air outlet and the air inlet are communicated with the valve cavity, the valve cavity is divided into a filter cavity and a cleaning cavity by the filter assembly, the air outlet is communicated with the cleaning cavity, and when the butterfly valve is in an open state, compressed air enters the filter cavity through the air inlet, is filtered by the filter assembly and then is discharged from the air outlet to enter the adsorption drying system.
Preferably, a compressed air outlet of the adsorption drying system is connected with a refrigerant system for cooling the dried air, and the refrigerant system comprises a compressor, a condenser, an expansion valve and an evaporator; the evaporator comprises a shell, wherein a refrigerant inlet, a refrigerant outlet, a compressed air inlet and a compressed air outlet are formed in the shell, a water outlet is also formed below the shell, the shell is arranged in the vertical direction, a cavity is formed in the shell, a first partition plate is arranged at the upper end of the cavity, a second partition plate is arranged at the lower end of the cavity, the first partition plate, the upper wall and the side wall of the cavity are enclosed to form a refrigerant inlet cavity, the second partition plate, the bottom wall and the side wall of the cavity are enclosed to form a refrigerant outlet cavity, the refrigerant outlet cavity is communicated with the refrigerant outlet, and the refrigerant inlet cavity is communicated with; the first partition plate, the second partition plate and the side wall of the cavity enclose a heat exchange cavity, and the compressed air inlet and the compressed air outlet are communicated with the heat exchange cavity; the upper end of the heat exchange tube is arranged on the first partition plate, the lower end of the heat exchange tube is arranged on the second partition plate, the upper end of the heat exchange tube is communicated with the refrigerant inlet cavity, and the lower end of the refrigerant is communicated with the refrigerant outlet cavity; the heat exchange tubes are arranged in parallel.
Preferably, the shell is a rectangular shell, the heat exchange tubes are distributed in a linear array, a plurality of guide plates are fixedly arranged between the first partition plate and the second partition plate, and the guide plates are arranged in a staggered mode to enable the compressed air to flow in an S shape in the whole heat exchange cavity.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
this cold machine of doing can carry out the filtration in advance to the compressed air that gets into cold machine of doing and can control the compressed air pressure that gets into cold machine of doing simultaneously to guarantee that compressed air can not cause the damage because of pressure is too big to the spare part of cold machine of doing. The designed refrigeration dryer can fully utilize the refrigerant, so that the using amount of the refrigerant is saved, and the heat exchange tube with the structure has the advantage of large contact area. The improvement of the evaporator greatly improves the working efficiency of the cold drying machine, and the drying effect is greatly improved.
The cold machine of doing of this patent can carry out the cubic drying to compressed air to improve the drying precision of cold machine of doing, can satisfy the requirement to the dry gas higher accuracy.
Drawings
FIG. 1 is a schematic view of a construction of a cold desiccant dryer
Fig. 2 is a schematic diagram of the overall structure of the integrated valve.
Fig. 3 is an enlarged view of a portion of fig. 2A.
Fig. 4 is an enlarged view of a portion of fig. 3B.
Fig. 5 is a schematic view of the structure of the evaporator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Firstly, the utility model discloses a to patent CN201020515983 "blast air heating inner loop compressed air purifier's improved generation patent, whole theory of operation is the same with above-mentioned patent. Only the different parts of the detailed description of the present application will be described.
Example 1
As shown in fig. 1 to 5, the forced air circulation cooling dryer mainly comprises a drying tower a200 and a drying tower B201 which are interconnected through a pipeline and a valve and have the same structure, wherein the pipeline of a blower 202 is connected with a lower pipeline through a pneumatic butterfly valve V6, and the pneumatic butterfly valve V4 is connected with a lower port of the drying tower B201; the upper port of drying tower B201 passes through pipe connection pneumatic butterfly valve V10, and pneumatic butterfly valve V10 links to each other with pneumatic butterfly valve V8 again, pneumatic butterfly valve V8 links to each other with water-cooling aftercooler 209, and water-cooling aftercooler 209 rethread gas-water separator 211 links to each other back to air-blower 202, and compressed air's inlet end is provided with integrated valve 210, and the valve includes that the pipeline connects pneumatic butterfly valve V10, and pneumatic butterfly valve V10 links to each other, and
the valve body 1, which is used as a base body of the valve, supports and protects the valve,
the valve cavity 2 is used as a transition chamber of compressed air,
a butterfly valve 3 used as a valve switch to control the compressed air to enter the valve cavity 2,
a filter assembly 4 for filtering the air in the valve cavity 2,
the pressure relief valve 5 is used for relieving pressure when the pressure in the valve cavity 2 is too large, the valve body 1 is provided with the air inlet 6 and the air outlet 7, the air outlet 7 and the air inlet 6 are communicated with the valve cavity 2, the valve cavity 2 is divided into a filter cavity 9 and a cleaning cavity 8 by the filter component 4, the air outlet 7 is communicated with the cleaning cavity 8, and when the butterfly valve 3 is in an open state, compressed air enters the filter cavity 9 through the air inlet 6 and is discharged from the air outlet 7 after being filtered by the filter component 4. The integrated valve 210 can control the on-off of the compressed air and can filter the compressed air, and the whole valve is simple and reliable in structure, few in required parts, low in cost and small in occupied space. The relief valve 5 sets up on the outer wall of valve body 1, the direction chamber 11 of seting up in relief valve 5 includes relief valve body 10 and the relief valve body 10, relief valve body 10 and 1 integrated into one piece of valve body, the one end that relief valve body 10 is close to valve pocket 2 is seted up and is communicated switch mouth 12 of direction chamber 11 and valve pocket 2, be equipped with in the direction chamber 11 and follow the gliding case 20 in direction chamber 11, the one end conflict of case 20 is used for controlling the intercommunication of valve pocket 2 and direction chamber 11 in switch mouth 12, the cover is equipped with pressure relief spring 21 on the case 20, 21 one end of pressure relief spring is contradicted in the bottom of valve pocket 2, the other end is used for making case 20 shutoff to break off the intercommunication of valve pocket 2 and direction chamber 11 on switch mouth. When the pressure in the valve chamber 2 is large, the valve core 20 overcomes the elasticity of the pressure relief spring 21, the valve core 20 moves outwards along the guide chamber 11, and therefore the compressed air in the valve chamber 2 can enter the pressure relief channel 22 through the opening and closing port 12 to perform the pressure relief operation. The pressure release valve 5 can release pressure when the filtering component 4 is blocked, so that the normal work of the valve is ensured, and potential safety hazards caused by overpressure can be avoided. The pilot chamber 11 is bypassed by a pressure relief passage 22. The pressure relief passage 22 is used to relieve pressure to ensure proper operation of the valve.
In order to cool and dry the dried compressed air, a compressed air outlet of the adsorption drying system is connected with a refrigerant system for cooling the dried air, and the refrigerant system comprises a compressor 300, a condenser 301, an expansion valve 302 and an evaporator 11; the evaporator comprises a shell 100, a refrigerant inlet 101, a refrigerant outlet 102, a compressed air inlet 103 and a compressed air outlet 104 are arranged on the shell 100, a water outlet 105 is further arranged below the shell 100, the shell 100 is arranged in the vertical direction, a cavity is arranged in the shell 100, a first partition plate 106 is arranged at the upper end of the cavity, a second partition plate 107 is arranged at the lower end of the cavity, the first partition plate 106, the upper wall and the side wall of the cavity enclose a refrigerant inlet cavity 108, the second partition plate 107, the bottom wall and the side wall of the cavity enclose a refrigerant outlet cavity 109, the refrigerant outlet cavity 109 is communicated with the refrigerant outlet 102, and the refrigerant inlet cavity 108 is communicated with the refrigerant inlet 101; a heat exchange cavity 110 is defined by the first partition plate 106, the second partition plate 107 and the side wall of the cavity, and the compressed air inlet 103 and the compressed air outlet 104 are communicated with the heat exchange cavity 110; the heat exchanger further comprises a heat exchange tube 111, the upper end of the heat exchange tube 111 is mounted on the first partition plate 106, the lower end of the heat exchange tube 111 is mounted on the second partition plate 107, the upper end of the heat exchange tube 111 is communicated with the refrigerant inlet cavity 108, and the lower end of the refrigerant is communicated with the refrigerant outlet cavity 109; the heat exchange pipes 111 are arranged in parallel. The arrangement of the heat exchange tubes 111 greatly increases the heat exchange area, improves the heat exchange efficiency and saves the usage amount of the refrigerant. The casing 100 is a rectangular casing 100, the heat exchange tubes 111 are distributed in a linear array, a plurality of guide plates 112 are fixedly arranged between the first partition plate 106 and the second partition plate 107, and the guide plates 112 are arranged in a staggered manner to enable the compressed air to flow in an S shape in the whole heat exchange cavity 110. The arrangement of the guide plate 112 prolongs the stroke of the compressed air, so that the heat exchange of the compressed air is more sufficient, the evaporator 11 can be ensured to fully remove the moisture in the air, and the purpose of drying the air is achieved.
The following is a brief description of a part of the working flow of the present suction dryer. The working process of the blast circulation adsorption system in the suction dryer is the same as that of a blast heating internal circulation compressed air purification device in a patent CN 201020515983.
The working process is as follows: adsorbing by a drying tower A200, and regenerating by a drying tower B201; after being processed by the integrated valve 210, the compressed air firstly enters a pneumatic butterfly valve V1, then enters a drying tower A200, then enters a pneumatic butterfly valve V15 from the drying tower A200, and is output and enters a refrigerant system to exchange heat and reduce the temperature through an evaporator 11; the compressed air outlet of the adsorption drying system is connected with a refrigerant system for cooling the dried air, the refrigerant system comprises a compressor 300, a condenser 301, an expansion valve 302 and an evaporator 11, and the dried compressed air coming out of the drying tower A200 exchanges heat with the condenser 11. On the other hand, the pressure is reduced and the air is exhausted, the air is sucked by the blower 202, enters the pneumatic butterfly valve V7, enters the electric heater, enters the pneumatic butterfly valve V10, enters the drying tower B201, enters the pneumatic butterfly valve V4 and is exhausted through the pneumatic butterfly valve V5.
And 2, a work flow: adsorption in a drying tower A200 and circulating cold blowing in a drying tower B201; the compressed air firstly enters a pneumatic butterfly valve V1, then enters a drying tower A200, and then enters a pneumatic butterfly valve V15 from the drying tower A200, and the dried and purified air is output. The other side of the air blower 202 sucks air, enters a pneumatic butterfly valve V6, then enters a pneumatic butterfly valve V4, enters a drying tower B201, enters a pneumatic butterfly valve V10, then enters a pneumatic butterfly valve V8, then enters a water-cooled rear cooler, enters a gas-water separator 211, enters an air suction pipeline of the air blower 202, and is subjected to circulating cold blowing.
And 3, a work flow: adsorbing by a drying tower A200, and pressurizing by a drying tower B201; the compressed air firstly enters a pneumatic butterfly valve V1, then enters a drying tower A200, and then enters a pneumatic butterfly valve V15 from the drying tower A200, and the dried and purified air is output. The other path enters the drying tower B201 through a V13 pneumatic ball valve for pressurization.
Example 2
The difference from example 1 is that: the heat exchange tube 111 in this embodiment is a 316L stainless steel tube.
Example 3
As shown in fig. 1 to 5, the difference from embodiment 1 is that: a control switch valve V20 is provided on a pipeline connecting the air dried by the adsorption tower a or B to the evaporator 11.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (3)
1. The blowing circulation cooling dryer mainly comprises a drying tower A (200) and a drying tower B (201) which are mutually connected through a pipeline and a valve and have the same structure, wherein the pipeline of a blower (202) is connected with a lower pipeline through a pneumatic butterfly valve V6, and the pneumatic butterfly valve V4 is connected with a lower port of the drying tower B (201); the upper portion mouth of drying tower B (201) passes through pipe connection pneumatic butterfly valve V10, and pneumatic butterfly valve V10 links to each other with pneumatic butterfly valve V8 again, pneumatic butterfly valve V8 links to each other with water-cooling aftercooler (209), and water-cooling aftercooler (209) rethread gas-water separator (211) link to each other back air-blower (202), its characterized in that: the air inlet end of the compressed air is provided with an integrated valve (210) which comprises
The valve body (1) is used as a base body of the valve to support and protect the valve,
a valve cavity (2) which is used as a transition chamber of compressed air,
a butterfly valve (3) used as a valve switch to control the compressed air to enter the valve cavity (2),
a filter component (4) for filtering the air in the valve cavity (2),
relief valve (5) for carry out the pressure release when valve pocket (2) internal pressure is too big, be provided with air inlet (6) and gas outlet (7) on valve body (1), gas outlet (7) and air inlet (6) and valve pocket (2) intercommunication, filter component (4) are separated valve pocket (2) for filter chamber (9) and clean chamber (8), and gas outlet (7) are linked together with clean chamber (8), and when butterfly valve (3) were in the open mode, compressed air got into filter chamber (9) through air inlet (6), discharged from gas outlet (7) after filtering through filter component (4) and got into the adsorption drying system.
2. The forced air circulation cooling dryer of claim 1, characterized in that: a compressed air outlet of the adsorption drying system is connected with a refrigerant system for cooling the dried air, and the refrigerant system comprises a compressor, a condenser, an expansion valve and an evaporator; the evaporator comprises a shell (100), a refrigerant inlet (101), a refrigerant outlet (102), a compressed air inlet (103) and a compressed air outlet (104) are formed in the shell (100), a water outlet (105) is further formed below the shell (100), the shell (100) is arranged in the vertical direction, a cavity is formed in the shell (100), a first partition plate (106) is arranged at the upper end of the cavity, a second partition plate (107) is arranged at the lower end of the cavity, the first partition plate (106), the upper wall and the side wall of the cavity enclose a refrigerant inlet cavity (108), the second partition plate (107), the bottom wall and the side wall of the cavity enclose a refrigerant outlet cavity (109), the refrigerant outlet cavity (109) is communicated with the refrigerant outlet (102), and the refrigerant inlet cavity (108) is communicated with the refrigerant inlet (101); a heat exchange cavity (110) is defined by the first partition plate (106), the second partition plate (107) and the side wall of the cavity, and a compressed air inlet (103) and a compressed air outlet (104) are communicated with the heat exchange cavity (110); the heat exchanger further comprises a heat exchange tube (111), the upper end of the heat exchange tube (111) is mounted on the first partition plate (106), the lower end of the heat exchange tube (111) is mounted on the second partition plate (107), the upper end of the heat exchange tube (111) is communicated with the refrigerant inlet cavity (108), and the lower end of the refrigerant is communicated with the refrigerant outlet cavity (109); the heat exchange tubes (111) are arranged in parallel.
3. The forced air circulation cooling dryer of claim 1, characterized in that: the shell (100) is a rectangular shell (100), the heat exchange tubes (111) are distributed in a linear array, a plurality of guide plates (112) are fixedly arranged between the first partition plate (106) and the second partition plate (107), and the guide plates (112) are arranged in a staggered mode to enable the compressed air to flow in an S shape in the whole heat exchange cavity (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817920.0U CN210332203U (en) | 2019-05-31 | 2019-05-31 | Blast circulation cooling dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817920.0U CN210332203U (en) | 2019-05-31 | 2019-05-31 | Blast circulation cooling dryer |
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| CN210332203U true CN210332203U (en) | 2020-04-17 |
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| CN201920817920.0U Active CN210332203U (en) | 2019-05-31 | 2019-05-31 | Blast circulation cooling dryer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877374A (en) * | 2021-09-17 | 2022-01-04 | 华能营口热电有限责任公司 | Gas-water separation device for gas path of gas hammer in coal supply system |
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2019
- 2019-05-31 CN CN201920817920.0U patent/CN210332203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877374A (en) * | 2021-09-17 | 2022-01-04 | 华能营口热电有限责任公司 | Gas-water separation device for gas path of gas hammer in coal supply system |
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