CN220583054U - Vacuum breaking heat exchange system for kerosene gas phase drying equipment - Google Patents

Abstract

The utility model discloses a vacuum breaking heat exchange system for kerosene gas phase drying equipment, which comprises a vacuum drying part, a gas supply pipeline, an air drying device and a cooling device, wherein the vacuum drying part is provided with a cavity for accommodating a workpiece, the vacuum drying part is provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are communicated with the cavity, the gas inlet is provided with a first valve, the gas outlet is provided with a second valve, one end of the gas supply pipeline is used for being externally connected with a gas source, the other end of the gas supply pipeline is connected with the first valve, the air drying device is arranged in the gas supply pipeline and used for drying and processing gas flowing through the gas supply pipeline, the cooling device is arranged in the gas supply pipeline, and the cooling device can cool the gas flowing through the gas supply pipeline. Through cooling device and the air drying device that set up, can cool off gas, gas can keep drying, and the product is difficult to get damp, can accelerate cooling rate under the condition that does not get damp, improves machining efficiency.

Description

Vacuum breaking heat exchange system for kerosene gas phase drying equipment

Technical Field

The utility model relates to the technical field related to drying equipment, in particular to a vacuum breaking heat exchange system for kerosene gas phase drying equipment.

Background

Kerosene gas phase drying equipment is a relatively advanced special equipment applied to product (such as coil or transformer body) drying in the transformer industry at present. The basic constitution of the device comprises a vacuum drying tank, an external heating calandria, an electric heater, related valves and pipelines, etc. The method mainly comprises the steps of placing a coil or a transformer body to be dried into a vacuum drying tank, sending liquid-phase kerosene into the vacuum drying tank, heating and evaporating kerosene by a built-in evaporator in the vacuum drying tank to form kerosene vapor, heating a product, increasing the temperature of the product continuously, evaporating and pumping water in an insulating part continuously, stopping conveying kerosene after indexes such as the temperature of the product, the vacuum degree of the drying tank and the like meet the set parameter requirements, pumping the kerosene and the water in the vacuum drying tank, finally further improving the vacuum degree, and pumping out residual water and the kerosene of the product, thereby achieving the purpose of thoroughly drying the product.

In order to ensure the heating effect and prevent high-temperature scalding, the product cannot be pulled out immediately after the product is processed, and the product needs to be safely discharged after the temperature in the vacuum drying tank is reduced. In the prior art, the common method is that the equipment stops heating and evacuating, the vacuum drying tank does not break vacuum, and the product is naturally cooled in a high vacuum environment. Because the vacuum drying tank is still in a vacuum environment, the high temperature is transmitted by heat radiation, the space temperature in the vacuum drying tank is low, and the waiting time is long. Or the vacuum drying tank can be broken to be vacuum, the tank door is opened to enable the product to be exposed to the atmosphere for cooling, the cooling time is shortened, but the product is easy to absorb moisture in the air again for moisture regaining, and the qualification rate of the product is reduced.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a vacuum breaking heat exchange system for kerosene gas phase drying equipment, which can accelerate the cooling speed and improve the processing efficiency under the condition of no moisture regain.

According to an embodiment of the first aspect of the utility model, a vacuum breaking heat exchange system for kerosene gas phase drying equipment comprises: vacuum drying part, air supply pipeline, air drying device and cooling device, vacuum drying part has the cavity that holds the work piece, vacuum drying part is equipped with air inlet and gas outlet, the air inlet reaches the gas outlet with the cavity intercommunication, the air inlet is equipped with first valve, the gas outlet is equipped with the second valve, air supply pipeline one end is used for external air supply, the other end with first valve connection, air drying device locates air supply pipeline, air drying device is used for the drying process to flow through air supply pipeline's gas, cooling device locates air supply pipeline, cooling device can cool off and flow through air supply pipeline's gas.

According to the embodiment of the utility model, the vacuum breaking heat exchange system for the kerosene gas phase drying equipment has at least the following beneficial effects: after the product drying is accomplished, be the negative pressure in the cavity and the temperature is higher, break the vacuum through opening first valve, get into the product cooling in the cavity after making the gas in the air feed line flow through cooling device and air drying device, open the second valve simultaneously and exhaust, with the cooling gas circuit that forms the flow, and the cooling device that sets up can cool off gas, improve the cooling effect, the air drying device that sets up can dry gas, make the gas that gets into in the cavity can keep drying, the product is difficult to get damp, can accelerate cooling speed under the circumstances that does not get damp, improve machining efficiency.

According to some embodiments of the utility model, the cooling device is provided with a cold source channel and a medium channel which are in contact with each other, a refrigerant inlet and a refrigerant outlet are arranged at two ends of the cold source channel, a medium inlet and a medium outlet are arranged at two ends of the medium channel, and the medium inlet and the medium outlet are connected with the air supply pipeline.

According to some embodiments of the utility model, the cooling device is a plate heat exchanger.

According to some embodiments of the utility model, the refrigerant inlet and the refrigerant outlet are both provided with a third valve, and the medium inlet is provided with a fourth valve.

According to some embodiments of the utility model, the air dryer includes an air dryer provided at a front end of the cooling device.

According to some embodiments of the utility model, the air drying device comprises an air dryer, which is arranged between the cooling device and the vacuum drying section.

According to some embodiments of the utility model, the air dryer front end is provided with an air filter.

According to some embodiments of the utility model, a fifth valve is provided between the air dryer and the air filter.

According to some embodiments of the utility model, the vacuum drying section is provided with a temperature sensor and a pressure sensor.

According to some embodiments of the utility model, the vacuum drying part is further provided with an exhaust fan, which is connected to the second valve.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic diagram of a system in accordance with an embodiment of the present utility model;

FIG. 2 is a layout of a cooling device and an air drying device;

fig. 3 is a system schematic diagram of some embodiments of the utility model.

Reference numerals:

the vacuum drying part 100, the cavity 110, the air inlet 120, the first valve 121, the air outlet 130, the second valve 131, the temperature sensor 140, the pressure sensor 150 and the exhaust fan 160;

a gas supply duct 200;

an air drying device 300, an air dryer 310, an air filter 320, a fifth valve 330;

cooling device 400, plate heat exchanger 410, refrigerant inlet 411, refrigerant outlet 412, medium inlet 413, medium outlet 414, third valve 415, fourth valve 416.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, a vacuum breaking heat exchanging system for a kerosene gas drying device according to an embodiment of the present utility model includes a vacuum drying part 100, a gas supply pipe 200, an air drying device 300 and a cooling device 400, wherein the vacuum drying part 100 has a chamber 110 for accommodating a workpiece, the vacuum drying part 100 is provided with a gas inlet 120 and a gas outlet 130, the gas inlet 120 and the gas outlet 130 are communicated with the chamber 110, the gas inlet 120 is provided with a first valve 121, the gas outlet 130 is provided with a second valve 131, one end of the gas supply pipe 200 is used for externally connecting a gas source, the other end of the gas supply pipe 200 is connected with the first valve 121, the air drying device 300 is provided in the gas supply pipe 200, the air drying device 300 is used for drying the gas flowing through the gas supply pipe 200, the cooling device 400 is provided in the gas supply pipe 200, and the cooling device 400 is capable of cooling the gas flowing through the gas supply pipe 200. After the product is dried, the cavity 110 is negative pressure and high in temperature, the first valve 121 is opened to break vacuum, so that the gas in the gas supply pipeline 200 flows through the cooling device 400 and the air drying device 300 and then enters the cavity 110 to cool the product in the cavity 110, meanwhile, the second valve 131 is opened to exhaust so as to form a flowing cooling gas path, the cooling device 400 can cool the gas, the cooling effect is improved, the air drying device 300 can dry the gas, the gas entering the cavity 110 can be kept dry, the product is not easy to get damp, the cooling speed can be increased under the condition of no damp, and the processing efficiency is improved.

Specifically, the processed product is generally a component of a transformer, such as a coil, a body, etc., which is required to be dried because moisture and gas in an insulating material are removed to increase its insulation resistance and to increase its flashover voltage, thereby improving its electrical performance. The transformer body is mainly composed of iron core, coil and insulating material, before transformer oil is added, it must be dried to control its water content within the limit of product quality requirement so as to ensure that the transformer has enough insulating strength and service life. In this embodiment, the vacuum drying part 100 may be a vacuum drying tank, the cavity in the tank body is a cavity 110 for accommodating a product, the tank body may be provided with a port communicated with a vacuum source, the cavity 110 is pumped by an external vacuum pump or other vacuum generators so as to generate negative pressure in the cavity 110, so as to extract moisture and oil evaporated by a kerosene gas phase drying method, an evaporator may be generally arranged in the cavity 110, the evaporator evaporates kerosene gas to heat and dry the product, a coil may be arranged on the side wall of the tank body, the coil may transport a circulating heating medium to heat the cavity 110, after the drying of the product is completed, each heating device stops heating, the water and oil evaporated cleanly are extracted in vacuum, then the product is taken out after cooling is required, a first valve 121 may be opened, the first valve 121 may be an electric valve or a pneumatic valve, the cavity 110 is broken by vacuum, an air supply pipeline 200 may be communicated with an external air source, the air supply pipeline may be a compressed air pipeline may be connected with the air compressor 200, the air supply pipeline may be a compressed air compressor 300 may be connected with the air supply pipeline 300, the air compressor may be a large-sized air compressor 300 may be connected in series with the air compressor 300, and the air compressor 300 may be further connected with the air compressor 300 in series, the air compressor may be a cooling device 300 may be connected with the air compressor 300, and the air compressor 300 may be a cooling device 300, and the air device may be a cooling device 300, therefore, the air flowing in from the first valve 121 can be dried and cooled at the same time, the heat in the cavity 110 is exchanged by the input gas, no moisture is generated to the product, then the exchanged gas is discharged from the second valve 131, the flowing gas path is formed, the cooling strength can be enhanced, the cooling time is shortened, and the processing efficiency is improved.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a cooling device 400 has a cold source channel and a medium channel in contact with each other, a refrigerant inlet 411 and a refrigerant outlet 412 are disposed at two ends of the cold source channel, a medium inlet 413 and a medium outlet 414 are disposed at two ends of the medium channel, and the medium inlet 413 and the medium outlet 414 are connected to the air supply pipe 200. The cooling device 400 has a simple structure, is stable to operate, and can stably cool the gas.

Specifically, a pipeline through which a cooling medium flows may be provided in the cooling device 400, a cold source channel is provided in the pipeline, the medium channel may be a medium pipeline, and the medium pipeline is connected in series with the air supply pipeline 200, so that the medium channel is communicated with the air supply pipeline 200, the medium channel is circulated with air, and the cold source pipeline may be sleeved on the medium pipeline, that is, the cold source channel wraps the medium channel, the cooling medium inlet 411 and the cooling medium outlet 412 may be externally connected with a circulating cooling water pipeline, the conveyed cooling water flows to the cold source channel, and the cooling water keeps flowing, so that cooling heat exchange is performed on air in the medium channel, so that the cooling effect on the air is achieved, the cooling device 400 has a simple structure and stable operation, and can cool the air stably.

In some embodiments of the utility model, the cooling device 400 is a plate heat exchanger 410. In particular, the plate heat exchanger 410 is typically formed by stacking a set of plates into a plate package having a channel pattern, with end plates provided with connection tubes at each end. Through setting up sealing gasket, sealing plate piece periphery prevents that the fluid from leaking outwards to according to the design requirement, sealed a part angle hole, make gas and refrigerant flow according to respective runner, through setting up plate heat exchanger 410, can promote heat exchange efficiency, and its corrosion-resistant, high pressure resistant can carry out heat transfer with the heat transfer medium effectively.

It should be noted that the plate heat exchanger 410 is not limited to the above embodiment, and other embodiments may be adopted, for example, the plate heat exchanger 410 may also be a tube type heat exchanger, and the main structure of the tube type heat exchanger includes a shell, a head, a tube side and a shell side, and sealing gaskets are installed at two ends. The tube type heat exchanger has the advantages of simple structure, small volume, firmness, strong adaptability and good heat transfer effect, adopts a single-layer wall surface heat transfer mode and good structural design, and ensures that the cold energy loss is small and the scale is not easy to form. Meanwhile, the internal medium is in a spiral ascending flow state, so that the resistance coefficient of the internal medium is greatly reduced. It uses reliable sealing material, so that it has longer service life. For example, the heat exchanger can also be a rotary heat exchanger, and the structure of the rotary heat exchanger mainly comprises a shell, a heat transfer tube, a sealing gasket, an inlet smoke box, and the like. The heat transfer tube adopts spiral fin tube or light tube, the shell is round or square, and the smoke box at the inlet and outlet is square or rectangular. The rotary heat exchanger has the advantages of simple structure, convenient maintenance, adaptability to high-temperature and high-pressure working environments, high heat transfer efficiency, effective utilization of heat energy, reduction of energy waste, adaptability to different working environments and temperature and pressure conditions, energy conservation and environmental protection, and effective reduction of energy consumption and environmental pollution.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the refrigerant inlet 411 and the refrigerant outlet 412 are provided with a third valve 415, and the medium inlet 413 is provided with a fourth valve 416. By providing the third valve 415, the cooling state can be changed by opening and closing the third valve 415, and by providing the fourth valve 416, the on-off of the gas can be controlled.

Specifically, the third valve 415 and the fourth valve 416 may be manual stop valves, or may be pneumatic valves or electric valves, where the third valve 415 can control the circulation of the refrigerant, the fourth valve 416 can control the circulation of the gas, the refrigerant, such as cooling water, can flow into the cold source channel by opening the third valve 415, exchange heat with the air in the medium channel, thereby starting the cooling state of the cooling device 400 to cool the gas, closing the third valve 415, cutting off the refrigerant from entering the cooling channel, stopping heat exchange, ending the cooling state, and opening and closing the fourth valve 416 to control the circulation of the gas in the gas supply pipeline 200.

It is understood that the third valve 415 can also be used for maintenance, for example, the valve of the refrigerant inlet 411 can be opened, the valve of the refrigerant outlet 412 can be closed, the tightness can be tested, or the cooling device 400 can be replaced after the third valve 415 is closed, so that the operation of the cooling water system is not affected. Likewise, the fourth valve 416 may also be used for service, e.g., closing the fourth valve 416 may shut off the medium without shutting down the air supply line 200, facilitating service of the cooling device 400 during operation.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the air drying apparatus 300 includes an air dryer 310, and the air dryer 310 is provided at a front end of the cooling apparatus 400. The cooling device 400 is arranged at the front end of the cooling device 400, so that moisture in clean air can be filtered, the cooling device 400 can exchange heat, condensed water is not easy to generate, and the air can be cooled and exchanged better.

Specifically, the air dryer 310 may be a membrane air dryer 310, which uses a permeable membrane to pass air through one side of the membrane, and water molecules permeate from the permeable membrane to the other side, so as to dry the air, and has a small volume, convenient installation and use, and is disposed at the front end of the cooling device 400, so that the water in the clean air can be filtered, and the cooling device 400 can exchange heat, so that condensed water is not easy to be generated, and the air can be cooled and exchanged better.

It should be noted that the air dryer 310 is not limited to the above embodiments, and other embodiments may be used, for example, the air dryer 310 may be a refrigerated dryer that operates according to the condensation principle to cool compressed air to a very low temperature to condense moisture suspended in the air into a liquid form, and then the dried air stream continues to flow to the application where it is desired, or a dehydrate dryer that has an absorption mechanism to assist in removing moisture from the air passing through it. It may also be a desiccant dryer that uses a hygroscopic material (such as silica gel or activated alumina) to effect air drying, and the absorber device typically includes a dual tower drying system, both chambers being filled with desiccant material. Alternatively, it may be a chemical dryer that uses a chemical reaction to absorb moisture from the air.

Referring to fig. 3, in some embodiments of the present utility model, the air drying apparatus 300 includes an air dryer 310, and the air dryer 310 is disposed between the cooling apparatus 400 and the vacuum drying part 100. Through the above structure, after the air is cooled by the cooling device 400, part of the moisture in the air can be condensed into condensed water, part of the moisture can be removed, and then the condensed water enters the air dryer 310 for further drying, so that the burden of the air dryer 310 is reduced, the frequency of replacing the drying agent is reduced, and the use is convenient.

In particular, the air dryer 310 may be a desiccant dryer that uses a hygroscopic material (such as silica gel or activated alumina) to effect air drying. By arranging the air dryer 310 between the cooling device 400 and the vacuum drying part 100, the air before drying treatment can be first cooled in the cooling device 400, after cooling, part of moisture in the air can be condensed into condensed water, part of the condensed water can be removed, and then the condensed water enters the air dryer 310 for further drying, so that the burden of the air dryer 310 is reduced, the frequency of changing the drying agent is reduced, and the use is convenient.

Referring to fig. 1 and 2, in some embodiments of the utility model, an air filter 320 is provided at the front end of the air dryer 310. Specifically, the air filter 320 can filter impurities in the air, remove oil mist, particles and the like in the compressed air, so that the air entering the air dryer 310 is cleaner, the air dryer 310 is prevented from being blocked, and meanwhile, the impurities entering the cavity 110 can be reduced, and products are polluted.

Referring to fig. 1 and 2, in some embodiments of the present utility model, a fifth valve 330 is provided between the air dryer 310 and the air filter 320. The fifth valve 330 may be a manual stop valve, and the fifth valve 330 is convenient for maintenance by being provided, and when the fifth valve 330 is closed, the gas at the front end can be stopped, so that the air dryer 310 can be conveniently disassembled and assembled, the air dryer 310 can be conveniently replaced, and the maintenance and the repair are convenient.

It can be appreciated that the air filter 320 can be disposed at the rear end of the air dryer 310, the fifth valve 330 is disposed between the air dryer 310 and the air filter 320, the filter element in the air filter 320 is a consumable material and needs to be replaced frequently, the air filter 320 is convenient to replace by setting the fifth valve 330, and when the air filter is particularly used, the air filter 320 can be directly disassembled and assembled after the fifth valve 330 is closed under the condition that the air path is not stopped, so that the air filter 320 can be replaced and maintained conveniently.

Referring to fig. 1 and 3, in some embodiments of the present utility model, a vacuum drying part 100 is provided with a temperature sensor 140 and a pressure sensor 150. Parameters can be monitored, and the use is convenient.

Specifically, the temperature sensor 140 may be a thermal resistor type sensor, the resistance of the thermistor changes along with the change of temperature, so as to convert the actual temperature, by setting the temperature sensor 140, the temperature in the cavity 110 can be detected, the pressure sensor 150 may be a piezoresistive pressure sensor 150, which is a sensor made of the piezoresistive effect of monocrystalline silicon material and an integrated circuit, and can measure accurate pressure, by setting the pressure sensor 150, the pressure in the cavity 110 can be detected, the measured parameter can be uploaded to a control system, and by judging operation of the on-site control system, the flow of air supply and the cooling power can be adjusted according to the temperature parameter and the pressure parameter, so as to improve the cooling effect.

It should be noted that, the temperature sensor 140 and the pressure sensor 150 are not limited to the above embodiments, and other embodiments may be adopted, for example, the temperature sensor may be a thermocouple sensor, and the resistance value of the thermocouple may be changed along with the change of temperature. A temperature sensor is also possible, the resistance value of which changes with a change in temperature. It may also be a platinum thermal resistance temperature sensor whose resistance value changes with temperature. It may also be a platinum thermal resistance temperature sensor whose resistance value changes with temperature. In addition, the pressure sensor 150 may also be a strain type pressure sensor, which is a sensor that measures pressure by measuring strain of an elastic member. But also a capacitive pressure sensor that converts the measured pressure into a pressure sensor with a changed capacitance value. It can also be a piezoelectric pressure sensor which uses the piezoelectric effect to convert pressure into electricity by using electric elements and other machines to perform relevant measuring work instruments.

Referring to fig. 1 and 3, in some embodiments of the present utility model, the vacuum drying part 100 is further provided with an exhaust fan 160, and the exhaust fan 160 is connected with the second valve 131. By providing the exhaust fan 160, the exhaust of the air in the cavity 110 can be promoted, and the air flow can be accelerated, so as to improve the heat dissipation effect.

Specifically, the exhaust fan 160 may be a turbine exhaust fan 160, and according to the principle of thermal expansion and contraction, the hot air expands, so that the number of air molecules in a certain volume is reduced, and the density of the hot air is smaller than that of the cold air, that is, the hot air is lighter than that of the cold air, so that the hot air can rise, and the turbine exhaust fan 160 can effectively extract hot air in the cavity 110, and can effectively reduce the temperature in the cavity 110. In a specific use process, the first valve 121 and the second valve 131 are opened, the exhaust fan 160 is started, the exhaust fan 160 continuously extracts gas in the cavity 110, a flowing gas path is formed between the gas and the gas supplied by the gas supply pipeline 200, gas in the cavity 110 can be promoted to be discharged, air flow is accelerated, so that a heat dissipation effect is improved, and in a specific implementation process, the rotating speed of the exhaust fan 160 can be adjusted according to parameters of the temperature sensor 140 and the pressure sensor 150, so that a cooling effect is improved.

It will be appreciated that the exhaust fan 160 may also be an axial flow exhaust fan 160, which is characterized by a large air volume, a small impeller diameter, and a low pressure, and is capable of providing a large air flow. Alternatively, the exhaust fan 160 may be a centrifugal exhaust fan 160, which is characterized by a large wind pressure and a small wind volume. Alternatively, the exhaust fan 160 may be a mixed flow exhaust fan 160, which is characterized in that the advantages of the axial flow type exhaust fan 160 and the centrifugal type exhaust fan 160 can be effectively combined, and the air volume and the air pressure can be adjusted.

It is understood that a control system may also be provided in this application, where the control system has a control unit, which may be a Programmable Logic Controller (PLC), a Process Control System (PCS), etc., and the PLC is a computer system used to control various mechanical and electrical devices of an industrial process. The PLC can be classified into general-purpose type, special-purpose type, and the like according to application scenes and functions. And PCS is a system for controlling various mechanical and electrical devices of an industrial process. The PCS generally employs advanced control algorithms and model predictive control techniques to enable highly automated process control. The first valve 121 to the fifth valve 330 may be electrically connected to the control unit, and the valves may be provided with a feedback sensor to feed back the opening and closing conditions of the valves to the control unit, so that the control unit may control the opening and closing of the valves, and the control system may control the opening and closing of the valves, so that the operation is simple, and the control unit may read the signals of the temperature sensor 140 and the pressure sensor 150 to control the opening and closing and the power of the exhaust fan 160, thereby saving energy efficiency, monitoring the state of the vacuum drying part, finding faults in time, and maintaining in time.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A vacuum breaking heat exchange system for kerosene gas phase drying equipment, comprising:

the vacuum drying component (100) is provided with a cavity (110) for accommodating a workpiece, the vacuum drying component (100) is provided with an air inlet (120) and an air outlet (130), the air inlet (120) and the air outlet (130) are communicated with the cavity (110), the air inlet (120) is provided with a first valve (121), and the air outlet (130) is provided with a second valve (131);

one end of the air supply pipeline (200) is used for being externally connected with an air source, and the other end of the air supply pipeline is connected with the first valve (121);

an air drying device (300) provided in the air supply pipe (200), the air drying device (300) being configured to dry the gas flowing through the air supply pipe (200);

and a cooling device (400) provided in the gas supply pipe (200), wherein the cooling device (400) can cool the gas flowing through the gas supply pipe (200).

2. The vacuum breaking heat exchange system for the kerosene gas drying equipment according to claim 1, wherein the cooling device (400) is provided with a cold source channel and a medium channel which are in contact with each other, a refrigerant inlet (411) and a refrigerant outlet (412) are arranged at two ends of the cold source channel, a medium inlet (413) and a medium outlet (414) are arranged at two ends of the medium channel, and the medium inlet (413) and the medium outlet (414) are connected with the gas supply pipeline (200).

3. A vacuum breaking heat exchanging system for kerosene gas drying equipment according to claim 2, wherein said cooling device (400) is a plate heat exchanger (410).

4. The vacuum breaking heat exchange system for the kerosene gas drying equipment according to claim 2, wherein the refrigerant inlet (411) and the refrigerant outlet (412) are respectively provided with a third valve (415), and the medium inlet (413) is provided with a fourth valve (416).

5. A vacuum breaking heat exchange system for a kerosene gas drying plant according to claim 2, said air drying device (300) comprising an air dryer (310), said air dryer (310) being provided at the front end of said cooling device (400).

6. A vacuum breaking heat exchange system for a kerosene gas drying plant according to claim 2, said air drying device (300) comprising an air dryer (310), said air dryer (310) being provided between said cooling device (400) and said vacuum drying component (100).

7. A vacuum breaking heat exchanging system for kerosene gas drying equipment according to claim 5 or 6, wherein the front end of the air dryer (310) is provided with an air filter (320).

8. A vacuum breaking heat exchanging system for kerosene gas drying equipment according to claim 7, wherein a fifth valve (330) is provided between said air dryer (310) and said air filter (320).

9. A vacuum breaking heat exchanging system for kerosene gas drying equipment according to claim 1, wherein the vacuum drying component (100) is provided with a temperature sensor (140) and a pressure sensor (150).

10. A vacuum breaking heat exchanging system for a kerosene gas drying plant according to claim 9, said vacuum drying component (100) further being provided with an exhaust fan (160), said exhaust fan (160) being connected to said second valve (131).