阅读说明：本技术 一种利用冷冻水除湿干燥气态物质中水分的干燥装置 (Drying device for dehumidifying and drying moisture in gaseous substances by utilizing chilled water ) 是由 梁丁浩 梁雷军 梁苗椿 高翔 汤礼江 高永丰 于 2021-02-21 设计创作，主要内容包括：一种利用冷冻水除湿干燥气态物质中水分的干燥装置,属于气体干燥技术领域；将需要干燥处理的高温气体从气体进口进入,进入筒体进气腔后的高温气体穿过热交换换热管至除湿气体连接进管,高温气体通过除湿气体连接进管进入冷冻水除湿器筒体,进入冷冻水除湿器筒体的高温气体充分与换热翅片接触,实现高温气体中的水分冷凝凝结成液态水珠,液态水珠从换热翅片中在重力的作用下滴落,干燥处理后的气体从除湿气体连接出管流至热交换右气腔,通过若干热交换换热管将气体引导至热交换左气腔,在从气体出口排出干燥后的气体,实现对高温气体高效除湿的效果；通过冷凝水收集自动溢水装置蓄水到一定程度,实现自动溢水的效果。(A drying device for dehumidifying and drying moisture in gaseous substances by utilizing chilled water belongs to the technical field of gas drying; high-temperature gas to be dried enters from a gas inlet, the high-temperature gas entering a cylinder air inlet cavity passes through a heat exchange tube to a dehumidification gas connection inlet tube, the high-temperature gas enters a chilled water dehumidifier cylinder through the dehumidification gas connection inlet tube, the high-temperature gas entering the chilled water dehumidifier cylinder is fully contacted with heat exchange fins, so that moisture in the high-temperature gas is condensed into liquid water drops, the liquid water drops drop from the heat exchange fins under the action of gravity, the dried gas flows to a heat exchange right air cavity from a dehumidification gas connection outlet tube, the gas is guided to a heat exchange left air cavity through a plurality of heat exchange tubes, and the dried gas is discharged from a gas outlet to realize the effect of efficiently dehumidifying the high-temperature gas; the automatic water overflowing device is collected through the condensed water to store water to a certain degree, and the automatic water overflowing effect is achieved.)

1. A drying device for dehumidifying and drying moisture in gaseous substances by using chilled water comprises a dehumidifying gas heat exchanger cylinder and a chilled water dehumidifier cylinder, and is characterized in that a heat exchange left air cavity is arranged at the left end of the dehumidifying gas heat exchanger cylinder, a heat exchange right air cavity is arranged at the right end of the dehumidifying gas heat exchanger cylinder, a plurality of heat exchange tubes are arranged inside the dehumidifying gas heat exchanger cylinder, a gas inlet is arranged at the upper side of the right end of the dehumidifying gas heat exchanger cylinder, a gas outlet is arranged at the upper side of the heat exchange right air cavity, a cylinder air inlet cavity is arranged inside the dehumidifying gas heat exchanger cylinder and outside the heat exchange tubes, heat exchanger partition plates are arranged at the left and right ends of the dehumidifying gas heat exchanger cylinder, and through holes corresponding to the number of the heat exchange tubes are arranged on the end faces of the, the through hole corresponds to the hole position between the heat exchange tubes, the heat exchange left air cavity and the heat exchange right air cavity are communicated with the heat exchange tubes through the through hole, heat exchanger clapboards on two sides of the dehumidifying gas heat exchanger cylinder respectively seal and separate the heat exchange left air cavity and the cylinder air inlet cavity and the heat exchange right air cavity and the cylinder air inlet cavity, the gas inlet is communicated with the cylinder air inlet cavity, the gas outlet is communicated with the heat exchange left air cavity, a dehumidifying gas connection inlet tube is arranged on the lower side of the left end of the dehumidifying gas heat exchanger cylinder, a dehumidifying gas connection outlet tube is arranged on the lower side of the heat exchange right air cavity, the refrigerating water dehumidifier cylinder is arranged on the lower side of the dehumidifying gas heat exchanger cylinder, the right end of the refrigerating water dehumidifier cylinder is a closed end, and a flange plate is fixedly, the left side of the flange plate is fixedly provided with a sealing plate through bolts, two sides of the middle part of the sealing plate are respectively provided with a chilled water inlet pipe and a chilled water outlet pipe, the interior of the chilled water dehumidifier cylinder is provided with a plurality of heat exchange serpentine heat exchange pipes, the right ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the interior of the chilled water dehumidifier cylinder, the left ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the sealing plate, the right end of the chilled water inlet pipe is provided with a distribution pipe, the right end of the chilled water outlet pipe is provided with a manifold pipe, one end of the plurality of heat exchange serpentine heat exchange pipes is connected to one side of the distribution pipe, the other ends of the plurality of heat exchange serpentine heat exchange pipes are connected to one side of the manifold pipe, a plurality of heat, the lower extreme of dehumidification gas connection exit tube is connected in the upside of refrigerated water dehumidifier barrel right-hand member, dehumidification gas connection advances the pipe and feeds through between barrel air inlet cavity and the refrigerated water dehumidifier barrel, dehumidification gas connection exit tube feeds through between refrigerated water dehumidifier barrel and the heat exchange right side air cavity.

2. The drying device for dehumidifying and drying gaseous substances according to claim 1, wherein the plurality of heat exchange tubes are uniformly distributed, and the heat exchange serpentine tubes are uniformly distributed in the cylinder of the chilled water dehumidifier.

3. The drying device for dehumidifying and drying gaseous substances using chilled water as claimed in claim 1, wherein a plurality of air baffles are disposed inside the dehumidifier tube, and the air baffles are disposed inside the dehumidifier tube in a vertically staggered manner.

4. The drying device for dehumidifying and drying gaseous substances using chilled water according to claim 1, wherein a condensate collecting automatic overflow device is provided at a bottom of a right end of the drum of the chilled water dehumidifier, the condensate collecting automatic overflow device comprises a condensate collecting water storage chamber, a valve body fixing plate and an automatic overflow valve body, an upper end of the condensate collecting water storage chamber is fixed to the bottom of the drum of the chilled water dehumidifier, a drum water outlet is provided at an upper side of an inside of the condensate collecting water storage chamber and at the bottom of the right end of the drum of the chilled water dehumidifier, a filter screen is provided in the drum water outlet, the valve body fixing plate is installed at a bottom side of the condensate collecting water storage chamber and is sealed and fixed by bolts, the automatic overflow valve body is provided at an upper side of a middle portion of the valve body fixing plate, and a drain pipe is provided at a left, the left side of the automatic overflow valve body is provided with a valve cavity drain pipe, the upper end of the valve cavity drain pipe is arranged in a drain pipe connecting port, the lower end of the valve cavity drain pipe penetrates through a valve body fixing plate and extends to the lower part of the valve cavity drain pipe, the middle part of the automatic overflow valve body is transversely provided with a valve core moving cavity, the right side of the drain pipe connecting port is provided with a valve core plugging port on the left side of the valve core moving cavity, an overflow valve core is arranged in the valve core moving cavity, the left end of the overflow valve core is in a taper shape, the overflow valve core is in sliding connection with the valve core moving cavity, a water inlet slotted hole is vertically formed in the middle part of the automatic overflow valve body on the right side of the valve core plugging port, the upper side of the automatic overflow valve body is provided with a connecting rod, the connecting rod is in an inverted U shape, a valve body pin is arranged between the lower part, the connecting rod is movably connected with the automatic overflow valve body through a valve body pin, the connecting rod is movably connected with the overflow valve core through a valve core pin, and a floating ball is arranged on the upper side of the left end of the connecting rod.

5. The drying apparatus for dehumidifying and drying moisture in gaseous substances according to claim 4, wherein the inner diameter of the valve plug is smaller than the outer diameter of the valve plug of the overflow valve.

6. The drying device for dehumidifying and drying gaseous substances according to claim 4, wherein a drain pipe is disposed on one side of the valve body fixing plate, and a drain valve is disposed on a pipe body of the drain pipe.

Technical Field

The invention belongs to the technical field of gas drying equipment, and particularly relates to a drying device for dehumidifying and drying moisture in gaseous substances by utilizing chilled water.

Background

The protective gas carbon monoxide for metal heat treatment is generated by synthetic combustion of combustible gas and oxygen (the air quantity required for complete combustion of 1m3 gas is about 9.5m³) The oxygen is replaced by air, and the air contains certain moisture, so that although carbon monoxide is burnt at high temperature, water vapor still exists, the metal heat treatment is not facilitated, and the carbon monoxide gas needs to be subjected to dehumidification and drying treatment.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a drying device for dehumidifying and drying moisture in gaseous substances by utilizing chilled water.

The technical problem of the invention is mainly solved by the following technical scheme: a drying device for dehumidifying and drying moisture in gaseous substances by utilizing chilled water comprises a dehumidifying gas heat exchanger cylinder and a chilled water dehumidifier cylinder, wherein a heat exchange left air cavity is arranged at the left end of the dehumidifying gas heat exchanger cylinder, a heat exchange right air cavity is arranged at the right end of the dehumidifying gas heat exchanger cylinder, a plurality of heat exchange tubes are arranged inside the dehumidifying gas heat exchanger cylinder, a gas inlet is arranged at the upper side of the right end of the dehumidifying gas heat exchanger cylinder, a gas outlet is arranged at the upper side of the heat exchange right air cavity, a cylinder air inlet cavity is arranged inside the dehumidifying gas heat exchanger cylinder and outside the heat exchange tubes, heat exchanger clapboards are arranged at the left and right ends of the dehumidifying gas heat exchanger cylinder, and through holes corresponding to a plurality of heat exchange tubes are arranged on the end faces of the heat, the through hole corresponds to the hole position between the heat exchange tubes, the heat exchange left air cavity and the heat exchange right air cavity are communicated with the heat exchange tubes through the through hole, heat exchanger clapboards on two sides of the dehumidifying gas heat exchanger cylinder respectively seal and separate the heat exchange left air cavity and the cylinder air inlet cavity and the heat exchange right air cavity and the cylinder air inlet cavity, the gas inlet is communicated with the cylinder air inlet cavity, the gas outlet is communicated with the heat exchange left air cavity, a dehumidifying gas connection inlet tube is arranged on the lower side of the left end of the dehumidifying gas heat exchanger cylinder, a dehumidifying gas connection outlet tube is arranged on the lower side of the heat exchange right air cavity, the refrigerating water dehumidifier cylinder is arranged on the lower side of the dehumidifying gas heat exchanger cylinder, the right end of the refrigerating water dehumidifier cylinder is a closed end, and a flange plate is fixedly, the left side of the flange plate is fixedly provided with a sealing plate through bolts, two sides of the middle part of the sealing plate are respectively provided with a chilled water inlet pipe and a chilled water outlet pipe, the interior of the chilled water dehumidifier cylinder is provided with a plurality of heat exchange serpentine heat exchange pipes, the right ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the interior of the chilled water dehumidifier cylinder, the left ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the sealing plate, the right end of the chilled water inlet pipe is provided with a distribution pipe, the right end of the chilled water outlet pipe is provided with a manifold pipe, one end of the plurality of heat exchange serpentine heat exchange pipes is connected to one side of the distribution pipe, the other ends of the plurality of heat exchange serpentine heat exchange pipes are connected to one side of the manifold pipe, a plurality of heat, the lower extreme of dehumidification gas connection exit tube is connected in the upside of refrigerated water dehumidifier barrel right-hand member, dehumidification gas connection advances the pipe and feeds through between barrel air inlet cavity and the refrigerated water dehumidifier barrel, dehumidification gas connection exit tube feeds through between refrigerated water dehumidifier barrel and the heat exchange right side air cavity.

Preferably, the plurality of heat exchange tubes are uniformly distributed, and the heat exchange serpentine heat exchange tubes are uniformly distributed in the cylinder of the chilled water dehumidifier.

Preferably, a plurality of airflow baffles are arranged in the refrigerated water dehumidifier cylinder, and the airflow baffles are arranged in the refrigerated water dehumidifier cylinder in a vertically staggered manner.

Preferably, the bottom of the right end of the refrigerated water dehumidifier barrel is provided with a condensed water collecting automatic overflow device, the condensed water collecting automatic overflow device comprises a condensed water collecting water storage cavity, a valve body fixing plate and an automatic overflow valve body, the upper end of the condensed water collecting water storage cavity is fixed at the bottom of the refrigerated water dehumidifier barrel, a barrel water outlet is arranged at the upper side inside the condensed water collecting water storage cavity and at the bottom of the right end of the refrigerated water dehumidifier barrel, a filter screen is arranged in the barrel water outlet, the valve body fixing plate is arranged at the bottom side of the condensed water collecting water storage cavity and is fixed by bolts in a sealing way, the automatic overflow valve body is arranged at the upper side of the middle part of the valve body fixing plate, the left end part of the automatic overflow valve body is provided with a drain pipe connector, the left side of the automatic overflow, the lower end of the valve cavity drain pipe penetrates through the valve body fixing plate and extends to the lower part of the valve body fixing plate, a valve core moving cavity is transversely arranged in the middle of the automatic overflow valve body, a valve core plugging port is arranged on the right side of a drain pipe connecting port and on the left side of the valve core moving cavity, an overflow valve core is arranged in the valve core moving cavity, the left end of the overflow valve core is in a pointed cone shape, the overflow valve core is in sliding connection with the valve core moving cavity, a water inlet slotted hole is vertically formed in the middle of the automatic overflow valve body and on the right side of the valve core plugging port, a connecting rod is arranged on the upper side of the automatic overflow valve body and in an inverted U shape, a valve body pin is arranged between the lower part of the right side of the connecting rod and the automatic overflow valve body, a valve core pin is arranged between the upper part of the right side of the connecting, the connecting rod is movably connected with the overflow valve core through a valve core pin, and a floating ball is arranged on the upper side of the left end of the connecting rod.

Preferably, the inner diameter of the valve plug is smaller than the outer diameter of the valve plug of the overflow valve.

Preferably, one side of the valve body fixing plate is provided with a sewage discharge pipe, and a sewage discharge valve is arranged on the pipe body of the sewage discharge pipe.

The invention has the following beneficial effects:

the device of the invention is characterized in that high-temperature gas to be dried enters from a gas inlet, the high-temperature gas entering a cylinder air inlet cavity passes through a heat exchange tube and a dehumidification gas connection inlet tube, the high-temperature gas enters a refrigerated water dehumidifier cylinder through the dehumidification gas connection inlet tube, external refrigerated water is pumped into the refrigerated water inlet tube in advance before the high-temperature gas enters the refrigerated water dehumidifier cylinder, the refrigerated water is distributed into a plurality of heat exchange serpentine heat exchange tubes through a distribution tube, a collection tube collects the refrigerated water flowing out of the heat exchange serpentine heat exchange tubes and discharges the refrigerated water outwards through a refrigerated water outlet tube, the high-temperature gas entering the refrigerated water dehumidifier cylinder is fully contacted with heat exchange fins, so that the moisture in the high-temperature gas is condensed into liquid water drops, and the liquid water drops drop from the heat exchange fins under the action of gravity and drop at the bottom of the refrigerated water dehumidifier cylinder, the dried gas flows to the heat exchange right gas cavity from the dehumidifying gas connecting outlet pipe, the gas is guided to the heat exchange left gas cavity through the plurality of heat exchange tubes, and the dried gas is discharged from the gas outlet, so that the high-efficiency dehumidifying effect on the high-temperature gas is realized; because the gas just entering the interior of the cylinder body of the dehumidification gas heat exchanger is high in temperature, the high-temperature heat exchange tube is heated, and the effect of heating the gas flowing from the interior of the heat exchange tube is realized; the airflow baffles are arranged in the barrel of the chilled water dehumidifier in an up-and-down staggered manner, so that airflow can flow in the barrel of the chilled water dehumidifier in a winding manner after entering the barrel, the contact time between the air and the heat exchange fins is prolonged, and the effect of completely dehumidifying the air is realized; condensed water dropping on the bottom of a cylinder of the chilled water dehumidifier flows into a condensed water collecting and storing cavity from a water outlet of the cylinder, when a certain amount of condensed water is collected in the condensed water collecting and storing cavity, a floating ball floats upwards, a connecting rod is driven to tilt upwards after the floating ball floats, the connecting rod takes a valve body pin as a movable fulcrum, when the connecting rod tilts upwards, a valve core of an overflow valve is pulled by a valve core pin, the valve core of the overflow valve moves rightwards in a valve core moving cavity, the left end part of the valve core of the overflow valve leaves a valve core blocking opening, and the collected condensed water is discharged outwards through a water inlet slotted hole, the valve core blocking opening and a valve;

drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a side cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic diagram of one construction of the heat exchanger baffle of the present invention;

fig. 4 is a schematic structural view of an automatic overflow device for collecting condensed water according to the present invention;

fig. 5 is a side sectional view schematically showing the structure of the automatic water overflowing apparatus for collecting condensed water according to the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 4;

fig. 7 is a schematic view of an operational state of the present invention.

In the figure: 1. a dehumidified gas heat exchanger cartridge; 2. a chilled water dehumidifier cartridge; 3. a heat exchange left air cavity; 4. a heat exchange right air chamber; 5. a heat exchange tube; 6. a gas inlet; 7. a gas outlet; 8. a cylinder air inlet cavity; 9. a heat exchanger baffle; 10. a through hole; 11. the dehumidifying gas is connected with the inlet pipe; 12. a dehumidification gas connection outlet pipe; 13. a flange plate; 14. closing the plate; 15. a chilled water inlet pipe; 16. a chilled water outlet pipe; 17. a heat exchange serpentine heat exchange tube; 18. a distribution pipe; 19. a manifold; 20. heat exchange fins; 21. an airflow baffle; 22. an automatic condensed water overflow device is used for collecting condensed water; 23. the condensed water is collected in the water storage cavity; 24. a valve body fixing plate; 25. an automatic overflow valve body; 26. a water outlet of the cylinder body; 27. a filter screen; 28. a drain pipe connector; 29. a valve cavity water drainage pipe; 30. a spool movement chamber; 31. plugging a valve core; 32. a valve core of the overflow valve; 33. a water inlet slot hole; 34. a connecting rod; 35. a valve body pin; 36. a spool pin; 37. a floating ball; 38. a blow-off pipe; 39. a blowdown valve; 40. the direction of gas flow.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a drying device for dehumidifying and drying moisture in gaseous substances by using chilled water is shown in figures 1-7 and comprises a dehumidifying gas heat exchanger cylinder and a chilled water dehumidifier cylinder, wherein a heat exchange left air cavity is arranged at the left end of the dehumidifying gas heat exchanger cylinder, a heat exchange right air cavity is arranged at the right end of the dehumidifying gas heat exchanger cylinder, a plurality of heat exchange tubes are arranged inside the dehumidifying gas heat exchanger cylinder, a gas inlet is arranged at the upper side of the right end of the dehumidifying gas heat exchanger cylinder, a gas outlet is arranged at the upper side of the heat exchange right air cavity, a cylinder air inlet cavity is arranged inside the dehumidifying gas heat exchanger cylinder and outside the heat exchange tubes, heat exchanger clapboards are arranged at the left end and the right end of the dehumidifying gas heat exchanger cylinder, and through holes corresponding to the number of the heat exchange tubes are arranged on the end faces, the through hole corresponds to the hole position between the heat exchange tubes, the heat exchange left air cavity and the heat exchange right air cavity are communicated with the heat exchange tubes through the through hole, heat exchanger clapboards on two sides of the dehumidifying gas heat exchanger cylinder respectively seal and separate the heat exchange left air cavity and the cylinder air inlet cavity and the heat exchange right air cavity and the cylinder air inlet cavity, the gas inlet is communicated with the cylinder air inlet cavity, the gas outlet is communicated with the heat exchange left air cavity, a dehumidifying gas connection inlet tube is arranged on the lower side of the left end of the dehumidifying gas heat exchanger cylinder, a dehumidifying gas connection outlet tube is arranged on the lower side of the heat exchange right air cavity, the refrigerating water dehumidifier cylinder is arranged on the lower side of the dehumidifying gas heat exchanger cylinder, the right end of the refrigerating water dehumidifier cylinder is a closed end, and a flange plate is fixedly, the left side of the flange plate is fixedly provided with a sealing plate through bolts, two sides of the middle part of the sealing plate are respectively provided with a chilled water inlet pipe and a chilled water outlet pipe, the interior of the chilled water dehumidifier cylinder is provided with a plurality of heat exchange serpentine heat exchange pipes, the right ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the interior of the chilled water dehumidifier cylinder, the left ends of the chilled water inlet pipe and the chilled water outlet pipe are arranged on the left side of the sealing plate, the right end of the chilled water inlet pipe is provided with a distribution pipe, the right end of the chilled water outlet pipe is provided with a manifold pipe, one end of the plurality of heat exchange serpentine heat exchange pipes is connected to one side of the distribution pipe, the other ends of the plurality of heat exchange serpentine heat exchange pipes are connected to one side of the manifold pipe, a plurality of heat, the lower extreme of dehumidification gas connection exit tube is connected in the upside of refrigerated water dehumidifier barrel right-hand member, dehumidification gas connection advances the pipe and feeds through between barrel air inlet cavity and the refrigerated water dehumidifier barrel, dehumidification gas connection exit tube feeds through between refrigerated water dehumidifier barrel and the heat exchange right side air cavity.

The equipartition sets up between a plurality of heat exchange tubes, improves after gaseous entering barrel air inlet chamber, fully and the contact between a plurality of heat exchange tubes, the inside of refrigerated water dehumidifier barrel is located to the snakelike heat exchange tube equipartition of heat exchange, makes behind the refrigerated water entering heat exchange snakelike heat exchange tube, heat transfer fin can effectually with gas contact, plays the moisture in the high-efficient condensing gas.

A plurality of airflow baffles are arranged in the refrigerated water dehumidifier cylinder body, and are arranged in a vertically staggered manner in the refrigerated water dehumidifier cylinder body; after the airflow enters the cylinder of the chilled water dehumidifier, the airflow flows in the cylinder in a winding manner, so that the contact time between the gas and the heat exchange fins is prolonged, and the effect of completely dehumidifying the gas is realized.

The automatic condensed water overflowing device comprises a condensed water collecting water storage cavity, a valve body fixing plate and an automatic overflowing valve body, wherein the upper end of the condensed water collecting water storage cavity is fixed at the bottom of the frozen water dehumidifier cylinder, a cylinder water outlet is formed in the upper side of the condensed water collecting water storage cavity and in the bottom of the right end of the frozen water dehumidifier cylinder, a filter screen is arranged in the cylinder water outlet and used for filtering foreign objects, the valve body fixing plate is installed on the bottom side of the condensed water collecting water storage cavity and fixed through a bolt in a sealing manner, the inside can be maintained and repaired by dismounting the bolt, the automatic overflowing valve body is arranged on the upper side of the middle part of the valve body fixing plate, a drain pipe connecting port is formed in the left end of the automatic overflowing valve body, and a valve cavity drain pipe is arranged on the left side of the automatic overflowing, the upper end of the valve cavity drain pipe is arranged in the drain pipe connecting opening, the lower end of the valve cavity drain pipe penetrates through the valve body fixing plate and extends to the lower part of the valve body fixing plate, the middle part of the automatic overflow valve body is transversely provided with a valve core moving cavity, the right side of the drain pipe connecting opening is provided with a valve core plugging opening, the left side of the valve core moving cavity is provided with an overflow valve core, the left end of the overflow valve core is in a taper shape, the overflow valve core is in sliding connection with the valve core moving cavity, the right side of the valve core plugging opening is provided with a water inlet groove hole vertically formed in the middle part of the automatic overflow valve body, the upper side of the automatic overflow valve body is provided with a connecting rod, the connecting rod is in an inverted U shape, a valve body pin is arranged between the lower part of the right side of the connecting rod and the automatic overflow valve body, a valve core pin is arranged between the upper part of, the connecting rod is movably connected with the valve core of the overflow valve through a valve core pin, and a floating ball is arranged on the upper side of the left end of the connecting rod; the automatic water overflowing device is collected through the condensed water to store water to a certain degree, and the automatic water overflowing effect is achieved.

The inner diameter of the valve core blocking opening is smaller than the outer diameter of the valve core of the overflow valve; the left end of the valve core of the overflow valve can block the valve core blocking opening.

A drain pipe is arranged on one side of the valve body fixing plate, and a drain valve is arranged on the body of the drain pipe; when a large amount of dirt deposition water is in the condensed water collecting and storing cavity, the dirt deposition water is discharged from the blow-off pipe outwards by opening the blow-off valve.

The principle of the invention is as follows:

the device of the invention is characterized in that high-temperature gas to be dried enters from a gas inlet, the high-temperature gas entering a cylinder air inlet cavity passes through a heat exchange tube and a dehumidification gas connection inlet tube, the high-temperature gas enters a refrigerated water dehumidifier cylinder through the dehumidification gas connection inlet tube, external refrigerated water is pumped into the refrigerated water inlet tube in advance before the high-temperature gas enters the refrigerated water dehumidifier cylinder, the refrigerated water is distributed into a plurality of heat exchange serpentine heat exchange tubes through a distribution tube, a collection tube collects the refrigerated water flowing out of the heat exchange serpentine heat exchange tubes and discharges the refrigerated water outwards through a refrigerated water outlet tube, the high-temperature gas entering the refrigerated water dehumidifier cylinder is fully contacted with heat exchange fins, so that the moisture in the high-temperature gas is condensed into liquid water drops, and the liquid water drops drop from the heat exchange fins under the action of gravity and drop at the bottom of the refrigerated water dehumidifier cylinder, the dried gas flows to the heat exchange right gas cavity from the dehumidifying gas connecting outlet pipe, the gas is guided to the heat exchange left gas cavity through the plurality of heat exchange tubes, and the dried gas is discharged from the gas outlet, so that the high-efficiency dehumidifying effect on the high-temperature gas is realized; because the gas just entering the interior of the cylinder body of the dehumidification gas heat exchanger is high in temperature, the high-temperature heat exchange tube is heated, and the effect of heating the gas flowing from the interior of the heat exchange tube is realized; the airflow baffles are arranged in the barrel of the chilled water dehumidifier in an up-and-down staggered manner, so that airflow can flow in the barrel of the chilled water dehumidifier in a winding manner after entering the barrel, the contact time between the air and the heat exchange fins is prolonged, and the effect of completely dehumidifying the air is realized; condensed water dropping on the bottom of a cylinder of the chilled water dehumidifier flows into a condensed water collecting and storing cavity from a water outlet of the cylinder, when a certain amount of condensed water is collected in the condensed water collecting and storing cavity, a floating ball floats upwards, a connecting rod is driven to tilt upwards after the floating ball floats, the connecting rod takes a valve body pin as a movable fulcrum, when the connecting rod tilts upwards, a valve core of an overflow valve is pulled by a valve core pin, the valve core of the overflow valve moves rightwards in a valve core moving cavity, the left end part of the valve core of the overflow valve leaves a valve core blocking opening, and the collected condensed water is discharged outwards through a water inlet slotted hole, the valve core blocking opening and a valve;

finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.