An air separation device

Abstract

The utility model discloses an air separation device, including base, compression box, filter box, liquefaction tank, distillation dish, compression box is located above the base, and the inside of compression box is equipped with compression mechanism, and compression mechanism is used for the compressed air of drawing in, filter box is connected in base, and is located the bottom of compression box, and filter box is equipped with cavity and with the heating groove of cavity phase isolation, is equipped with filter mechanism and dust cleaning mechanism in the cavity, and filter mechanism is used for filtering the compressed air, and dust cleaning mechanism is used for cleaning the dust on filter mechanism, liquefaction tank is connected in base, and the inside of liquefaction tank is equipped with liquefaction mechanism, and liquefaction mechanism is used for liquefying the air after filtering, distillation dish is connected in base, and distillation dish is connected with distillation mechanism, and distillation mechanism is used for distillation liquefied air to form the gas and waste gas of waiting to collect, can effectively clean the dust on filter mechanism to reach the effect of preventing dust obstruction, solved the inconvenient problem of cleaning the dust on filter screen in the prior art.

Description

Technical Field

[0001] This utility model relates to the field of air separation technology, and in particular to an air separation device. Background Technology

[0002] Air separation devices are used to separate various gases in the air to produce high-purity oxygen, nitrogen, and other gases. These products are commonly used in industries such as metallurgy, chemical engineering, electronics, and food processing.

[0003] Existing air separation devices utilize the different boiling points of various gases in the air and achieve separation through physical processes. Existing air separation devices include processes such as compression, purification, liquefaction, distillation separation, and storage.

[0004] Existing air separation devices require various levels of filtration, such as activated carbon filters and fiber felt, to purify the air. Since the air contains dust and impurities, these particles often remain on the surface of the top filter, clogging it and affecting purification efficiency. Furthermore, existing air separation devices generate waste gas with a certain temperature during distillation, making resource conservation difficult. Therefore, this paper proposes an air separation device to address these issues. Utility Model Content

[0005] The purpose of this invention is to provide an air separation device that can effectively clean dust from the filter mechanism, thereby preventing dust blockage. This solves the problem of inconvenient dust cleaning on the filter screen in the prior art. It utilizes exhaust gas to heat the compressed air, thereby increasing the temperature of the compressed air and improving the filtration efficiency. This achieves the effect of utilizing waste resources and solves the problem of inconvenient resource conservation in the prior art.

[0006] To achieve the above objectives, this utility model provides an air separation device, comprising:

[0007] Base;

[0008] The compression chamber is located above the base. Inside the compression chamber is a compression mechanism used to compress the drawn-in air.

[0009] The filter box is connected to the base and located at the bottom of the compressor box. The filter box has a cavity and a heating tank isolated from the cavity. The cavity is equipped with a filtration mechanism and a dust removal mechanism. The filtration mechanism is used to filter the compressed air, and the dust removal mechanism is used to clean the dust on the filtration mechanism.

[0010] A liquefaction tank is connected to the base. Inside the liquefaction tank is a liquefaction mechanism used to liquefy filtered air.

[0011] A distillation dish is attached to a base and a distillation mechanism is connected to it. The distillation mechanism is used to distill liquefied air to form the gas to be collected and the waste gas.

[0012] The reheating mechanism, connected to the base, is used to convey exhaust gas into the heating tank to heat the compressed air.

[0013] In one possible implementation, the inner wall of the filter box is further provided with a dust trough, and the top of the dust trough is provided with a dust inlet communicating with the cavity.

[0014] The filtration mechanism includes a first fixed frame disposed within the cavity and a first filter screen connected to the first fixed frame and at the same height as the bottom of the dust inlet;

[0015] The dust removal mechanism includes a first electric telescopic rod, a second fixed block connected to the output end of the first electric telescopic rod, and a brush connected to the bottom of the second fixed block. The brush contacts the top of the first filter screen. The first electric telescopic rod is used to drive the brush to move horizontally closer to or further away from the dust inlet to clean the dust on the first filter screen.

[0016] In one possible implementation, the dust removal mechanism further includes:

[0017] The first fixing block is connected to the inner wall of the filter box and is located above the dust inlet;

[0018] A rotating shaft is rotatably connected to a first fixed block;

[0019] The connecting rod is connected to a rotating shaft at one end and a baffle at the other end. The rotating shaft can drive the baffle to flip downward so that the dust inlet is in a closed state and not connected to the cavity. The rotating shaft can also drive the baffle to flip upward so that the dust inlet is in an open state and connected to the cavity.

[0020] In one possible implementation, a first fixing rod is provided between the four corners of the bottom of the filter box and the base. The dust outlet of the dust trough is located at the bottom of the filter box. The base is also provided with a dust box for communicating with the dust outlet. The dust box is used to collect dust.

[0021] In one possible implementation, the reheating mechanism includes:

[0022] The third fixing rod is connected to the base;

[0023] The first air pump is fixed to the top of the third fixing rod;

[0024] The first air inlet pipe is connected at one end to the top of the distillation dish and at the other end to the input end of the first air pump. The first air inlet pipe is used to transport the waste gas in the distillation dish to the first air pump.

[0025] The fourth exhaust pipe is connected at one end to the output end of the first air pump and at the other end to the heating tank. The fourth exhaust pipe is used to transport the exhaust gas pumped by the first air pump to the heating tank.

[0026] In one possible implementation, the compression mechanism includes:

[0027] The second air pump is located on the top right side of the compression chamber. The output end of the second air pump is connected to the inside of the compression chamber, and the input end of the second air pump is fixedly connected to the second air inlet pipe. The top end of the second air inlet pipe is fixedly connected to the air collection hood.

[0028] The motor is located on the right side of the compression chamber. The output end of the motor is fixedly connected to a second electric telescopic rod. The output end of the second electric telescopic rod is fixedly connected to a push plate located inside the compression chamber. The second electric telescopic rod is used to drive the push plate to move towards the left side of the compression chamber to compress the air inside the compression chamber.

[0029] In one possible implementation, the liquefaction mechanism includes:

[0030] The condenser tube is located inside the liquefaction tank, and the condensing medium flows through the condenser tube.

[0031] A liquid collection tank is located at the bottom of the liquefaction tank. A water inlet pipe is connected to the bottom of the liquid collection tank, and the end of the water inlet pipe away from the liquid collection tank is connected to a distillation dish.

[0032] In one possible implementation, a loop component is also included, the loop component comprising:

[0033] The water tank has a liquid filling hopper fixedly connected to its top. The water tank has a receiving cavity that communicates with the liquid filling hopper. The receiving cavity is used to store the condensing medium. A rubber stopper is slidably connected to the top of the liquid filling hopper.

[0034] The water pump has its input end fixedly connected to the inside of the water tank, and its output end is fixedly connected to an outlet pipe.

[0035] The first connecting pipe has one end connected to the end of the outlet pipe away from the water pump, and the other end connected to the input end of the condenser pipe.

[0036] The return pipe is connected at one end to the output end of the condenser and at the other end to the water tank, and is used to return the condensing medium in the condenser to the water tank.

[0037] In one possible implementation, the distillation apparatus includes:

[0038] The third vent pipe has one end connected to the top of the distillation dish.

[0039] The ball valve has its input end connected to the other end of the third outlet pipe.

[0040] The second connecting pipe is connected to the output end of the ball valve. A condenser is fixedly connected to the bottom end of the second connecting pipe, and a collection tank is fixedly connected to the bottom end of the condenser.

[0041] In one possible implementation, a control panel is also included, which is connected to the base and electrically connected to the second air pump, the motor, the water pump, the ball valve, the distillation dish, the first air pump, and the rotating shaft.

[0042] Compared with the prior art, the technical solution provided by this utility model has at least the following beneficial effects:

[0043] A filter box, a liquefaction box, and a distillation dish are sequentially connected on a base, with a compression box above the filter box. The compression box contains a compression mechanism that compresses the drawn-in air, which is then filtered by the filtration mechanism within the filter box. The filtered air is then sent to the liquefaction box, where its internal liquefaction mechanism condenses and liquefies the filtered air. This liquefied air is then sent to the distillation dish, where a distillation mechanism distills the liquefied air to form the gas to be collected and the waste gas. The filter box also includes a dust removal mechanism to clean dust from the filtration mechanism, preventing dust blockage and solving the problem of inconvenient dust cleaning of the filter screen in existing technologies. A reheating mechanism on the base transports the waste gas to the heating tank of the filter box. As the waste gas flows through the heating tank, it raises the temperature of the filter box, heating the compressed air and improving filtration efficiency. This utilizes waste resources and solves the problem of inconvenient resource conservation in existing technologies. Attached Figure Description

[0044] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0045] Figure 1 This is a three-dimensional schematic diagram of an air separation device proposed in this utility model;

[0046] Figure 2 This is a schematic diagram of a partial cross-sectional view of an air separation device proposed in this utility model.

[0047] Figure 3 This is a top view of the structure of an air separation device proposed in this utility model;

[0048] Figure 4This is a right-side structural schematic diagram of an air separation device proposed in this utility model;

[0049] Figure 5 This is a schematic diagram of the liquefaction mechanism of an air separation device proposed in this utility model;

[0050] Figure 6 for Figure 2 Enlarged view of point A in the middle.

[0051] Legend:

[0052] 1-Compression box; 101-Second air pump; 102-Second air inlet pipe; 103-Gas collection hood; 104-Motor; 105-Second electric telescopic rod; 106-Push plate; 107-First air outlet pipe; 2-Filter box; 201-First fixing rod; 202-Second air outlet pipe; 203-First fixing frame; 204-First filter screen; 3-Dust box; 301-First electric telescopic rod; 302-Second fixing block; 303-Brush; 304-First fixing block; 305-Rotating shaft; 306-Connecting rod; 307-Baffle; 308-Dust trough; 4-Liquefaction Box; 401-Condenser; 402-Water pump; 403-Water outlet pipe; 404-First connecting pipe; 405-Return pipe; 406-Water tank; 407-Liquid filling hopper; 408-Rubber stopper; 409-Second fixing rod; 410-Liquid collection tank; 5-Water inlet pipe; 6-Distillation dish; 601-Third gas outlet pipe; 602-Ball valve; 603-Second connecting pipe; 604-Condenser; 605-Collection tank; 7-First gas inlet pipe; 701-First gas pump; 702-Fourth gas outlet pipe; 703-Third fixing rod; 704-Heating tank; 8-Base; 9-Control panel. Detailed Implementation

[0053] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0054] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0055] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model.

[0056] The purpose of this invention is to provide an air separation device that can effectively clean dust from the filter mechanism, thereby preventing dust blockage. This solves the problem of inconvenient dust cleaning on the filter screen in the prior art. It utilizes exhaust gas to heat the compressed air, thereby increasing the temperature of the compressed air and improving the filtration efficiency. This achieves the effect of utilizing waste resources and solves the problem of inconvenient resource conservation in the prior art.

[0057] Please see Figures 1 to 6 To achieve the above objectives, this utility model provides an air separation device, including a base 8, a compression chamber 1, a filter chamber 2, a liquefaction chamber 4, a distillation dish 6, and a reheating mechanism. The compression chamber 1 is located above the base 8, and a compression mechanism is provided inside the compression chamber 1 for compressing the drawn-in air. The filter chamber 2 is connected to the base 8 and located at the bottom of the compression chamber 1. The filter chamber 2 has a cavity and a heating tank 704 isolated from the cavity. A filtration mechanism and a dust removal mechanism are provided inside the cavity. The filtration mechanism is used to filter the compressed air, and the dust removal mechanism is used to clean the dust on the filtration mechanism. The liquefaction chamber 4 is connected to the base 8, and a liquefaction mechanism is provided inside the liquefaction chamber 4 for liquefying the filtered air. The distillation dish 6 is connected to the base 8 and is connected to a distillation mechanism for distilling the liquefied air to form a gas to be collected and waste gas. The reheating mechanism is connected to the base 8 and is used to transport the waste gas to the heating tank 704 to heat the compressed air.

[0058] A filter box 2, a liquefaction box 4, and a distillation dish 6 are sequentially connected on a base 8. A compression box 1 is located above the filter box 2. The compression box 1 contains a compression mechanism that compresses the drawn-in air, which is then conveyed to the filter box 2 where it is filtered by the filtration mechanism. The filtered air is then conveyed to the liquefaction box 4, where its internal liquefaction mechanism condenses and liquefies the filtered air. The liquefied air is then conveyed to the distillation dish 6, where its distillation mechanism distills the liquefied air to form the gas to be collected and the waste gas. The filter box 2 also includes a dust removal mechanism to clean dust from the filter mechanism, thus preventing dust blockage and solving the problem of inconvenient dust cleaning of the filter screen in existing technologies. The base 8 is also equipped with a reheating mechanism, which is used to transport the exhaust gas to the heating tank 704 of the filter box 2. When the exhaust gas flows in the heating tank 704, it raises the temperature of the filter box 2 to heat the compressed air, thereby increasing the filtration efficiency and achieving the effect of utilizing waste resources. This solves the problem of inconvenient resource conservation in the existing technology.

[0059] In one possible implementation, a dust trough 308 is also provided inside the left inner wall of the filter box 2, and a dust inlet communicating with the cavity is provided at the top of the dust trough 308; the filtration mechanism includes a first fixed frame 203 provided inside the cavity, and a first filter screen 204 connected to the first fixed frame 203 and at the same height as the bottom of the dust inlet; the dust removal mechanism includes a first electric telescopic rod 301 provided at the top right side inside the filter box 2, a second fixed block 302 connected to the output end of the first electric telescopic rod 301, and a brush 303 connected to the bottom of the second fixed block 302. The brush 303 contacts the top of the first filter screen 204, specifically, the brush 303 is tangent to the top of the first filter screen 204. The first electric telescopic rod 301 is used to drive the brush 303 to move closer to or away from the dust inlet in the horizontal direction to clean the dust on the first filter screen 204.

[0060] It should be noted that after filtration, most of the dust in the air accumulates on the upper surface of the first filter screen 204. Then, the first electric telescopic rod 301 is activated. As the first electric telescopic rod 301 reciprocates, the second fixed block 302 and the brush 303 move accordingly, thus sweeping away the dust and preventing the first filter screen 204 from clogging.

[0061] The filter box 2 has two additional first fixing brackets 203 installed inside the cavity. These two additional first fixing brackets 203 are located below the first fixing bracket 203 with the first filter screen 204 installed. The two additional first fixing brackets 203 are used to fix the second filter screen and the third filter screen respectively. The first filter screen 204, the second filter screen and the third filter screen are arranged sequentially from top to bottom. The distance between the second filter screen and the first filter screen 204 in the height direction and the distance between the second filter screen and the third filter screen in the height direction are the same. The first filter screen 204 is specifically a primary filter screen, the second filter screen is specifically a medium-efficiency filter screen and the third filter screen is specifically a high-efficiency filter screen. The bottom right side of the filter box 2 is fixedly connected to a second air outlet pipe 202. The second air outlet pipe 202 is used to communicate with the liquefaction tank 4 so that the gas filtered by the first filter screen 204, the second filter screen and the third filter screen can enter the liquefaction tank 4 for liquefaction.

[0062] In one possible implementation, the dust removal mechanism further includes a first fixing block 304, a rotating shaft 305, and a connecting rod 306. The first fixing block 304 is connected to the inner wall of the filter box 2 and is located above the dust inlet. Specifically, the first fixing block 304 is located at the top left side of the inside of the filter box 2. The rotating shaft 305 is rotatably connected to the front end of the first fixing block 304. One end of the connecting rod 306 is connected to the rotating shaft 305, and the other end is connected to a baffle 307. The rotating shaft 305 can drive the baffle 307 to flip downward so that the dust inlet is in a closed state that is not connected to the cavity. The rotating shaft 305 can also drive the baffle 307 to flip upward so that the dust inlet is in an open state that is connected to the cavity.

[0063] When the rotating shaft 305 rotates, it drives the connecting rod 306 and the baffle 307 to rotate. After rotation, the baffle 307 can no longer block the dust inlet of the dust trough 308. Then, the first electric telescopic rod 301 is activated. The first electric telescopic rod 301 extends and retracts back and forth, driving the second fixed block 302 and the brush 303 to scrape off the dust on the first filter screen 204. The dust falls into the dust box 3 through the dust trough 308. When the dust on the first filter screen 204 is not cleaned or after the dust on the first filter screen 204 is cleaned, the rotating shaft 305 can drive the baffle 307 to flip downward so that the dust inlet is in a closed state that is not connected to the cavity, so as to prevent gas from leaking out from the dust inlet. A sealing strip can be set on the baffle 307 to improve the sealing effect of the dust inlet.

[0064] In one possible implementation, a first fixing rod 201 is provided between the four corners of the bottom of the filter box 2 and the base 8. The dust outlet of the dust trough 308 is located at the bottom of the filter box 2. The base 8 is also provided with a dust box 3 for communicating with the dust outlet. The dust box 3 is used to collect dust. The dust box 3 is movably or detachably connected to the base 8. After a certain amount of dust accumulates in the dust box 3, the dust box 3 can be removed to clean the dust. The empty dust box 3 can then be placed back into the dust outlet position of the dust trough 308 for subsequent dust collection.

[0065] In one possible implementation, the reheating mechanism includes a third fixing rod 703, a first air pump 701, a first air inlet pipe 7, and a fourth air outlet pipe 702. The third fixing rod 703 is connected to the base 8. The first air pump 701 is fixed to the top of the third fixing rod 703. One end of the first air inlet pipe 7 is connected to the top of the distillation dish 6, and the other end of the first air inlet pipe 7 is connected to the input end of the first air pump 701. The first air inlet pipe 7 is used to transport the waste gas in the distillation dish 6 to the first air pump 701. One end of the fourth air outlet pipe 702 is connected to the output end of the first air pump 701, and the other end is connected to the heating tank 704. The fourth air outlet pipe 702 is used to transport the waste gas pumped by the first air pump 701 to the heating tank 704. Specifically, after the first air pump 701 is started, the first air pump 701 can pump the waste gas with a certain temperature in the distillation dish 6 along the first air inlet pipe 7 and the fourth air outlet pipe 702 to the heating tank 704. The heating tank 704 has a gas inlet and a gas outlet. The fourth air outlet pipe 702 is connected to the gas inlet of the heating tank 704. After the waste gas with a certain temperature flows in the heating tank 704, it is discharged to the waste gas collection system through the gas outlet for collection.

[0066] In one possible implementation, the compression mechanism includes a second air pump 101 and a motor 104. The second air pump 101 is located on the top right side of the compression chamber 1, and its output end is connected to the interior of the compression chamber 1. A second air inlet pipe 102 is fixedly connected to the input end of the second air pump 101, and an air collection hood 103 is fixedly connected to the top end of the second air inlet pipe 102. The motor 104 is located on the right side of the compression chamber 1, and a second electric telescopic rod 105 is fixedly connected to its output end. A push plate 106 located inside the compression chamber 1 is fixedly connected to the output end of the second electric telescopic rod 105. The second electric telescopic rod 105 is used to drive the push plate 106 to move towards the left side of the compression chamber 1 to compress the air inside the compression chamber 1. A first air outlet pipe 107 is fixedly connected to the bottom left side of the interior of the compression chamber 1. The first air outlet pipe 107 is used to transport the air compressed by the compression mechanism to the upper part of the cavity of the filter box 2.

[0067] In one possible implementation, a second fixing rod 409 is provided between the liquefaction tank 4 and the base 8. The second fixing rod 409 is used to support the bottom of the liquefaction tank 4. The liquefaction mechanism includes a condenser tube 401 and a liquid collection tank 410. The condenser tube 401 is located inside the liquefaction tank 4 and is used to circulate the condensing medium. The liquid collection tank 410 is located at the bottom end of the liquefaction tank 4. A water inlet pipe 5 is connected to the middle of the bottom end of the liquid collection tank 410. The end of the water inlet pipe 5 away from the liquid collection tank 410 is connected to the distillation dish 6.

[0068] It should be noted that the condensing medium in the condenser tube 401 is circulated through a circulation assembly, which includes a water tank 406, a water pump 402, a first connecting pipe 404, and a return pipe 405. A liquid filling hopper 407 is fixedly connected to the top of the water tank 406, and a receiving cavity communicating with the liquid filling hopper 407 is provided inside the water tank 406. The receiving cavity is used to store the condensing medium. A rubber stopper 408 is slidably connected to the top of the liquid filling hopper 407. The input end of the water pump 402 is fixedly connected to the inside of the water tank 406, and the output end of the water pump 402 is fixedly connected to a water outlet pipe 403. One end of the first connecting pipe 404 is connected to the end of the water outlet pipe 403 away from the water pump 402, and the other end is connected to the input end of the condenser tube 401. One end of the return pipe 405 is connected to the output end of the condenser tube 401, and the other end is connected to the water tank 406, for the condensing medium in the condenser tube 401 to flow back into the water tank 406.

[0069] Filtered compressed air enters the liquefaction tank 4 through the second outlet pipe 202. The rubber stopper 408 on the water tank 406 is moved so that the liquid filling hopper 407 is not closed. Cooled condensing medium is added into the water tank 406. The condensing medium can be, but is not limited to, condensate. The water pump 402 is started, and the water pump 402 draws the condensing medium into the condenser tube 401. The outside of the condenser tube 401 comes into contact with the filtered air, so that the air and the condensing medium inside the condenser tube 401 exchange heat. The circulating condensing medium flows back into the water tank 406 through the return pipe 405, and the heat in the air is also carried away. Then the liquefied gas condenses on the surface of the condenser tube 401. Due to gravity, the liquefied gas drips into the bottom of the liquefaction tank 4 and is then collected by the liquid collection tank 410. Then it flows into the distillation dish 6 through the water inlet pipe 5.

[0070] In one possible implementation, the distillation mechanism includes a third outlet pipe 601, a ball valve 602, a second connecting pipe 603, a condenser 604, and a collection tank 605. One end of the third outlet pipe 601 is connected to the top of the distillation dish 6, and the input end of the ball valve 602 is connected to the other end of the third outlet pipe 601. The second connecting pipe 603 is connected to the output end of the ball valve 602, and the bottom end of the second connecting pipe 603 is fixedly connected to the condenser 604. The bottom end of the condenser 604 is fixedly connected to the collection tank 605. The distillation mechanism is used to distill liquefied air. During the distillation process, different gases can be obtained due to the different boiling points of various pure gases. After the gas to be collected is obtained, the residual waste gas also has a certain amount of heat due to the heating of the distillation dish 6. In order to make better use of resources, the waste gas is introduced into the heating tank 704 in the filter box 2 through the reheating mechanism. When the waste gas with temperature flows in the heating tank 704, it can raise the temperature of the filter box 2. After the pressurized air enters the filter box 2, it will raise the temperature of the compressed air. As the temperature rises, the air flow will become stronger and the dust diffusion coefficient will increase, making it easier for the first filter screen 204, the second filter screen and the third filter screen to filter the dust in the air.

[0071] In one possible implementation, a control panel 9 is also included. The control panel 9 is connected to the base 8 and is electrically connected to the second air pump 101, the motor 104, the water pump 402, the ball valve 602, the distillation dish 6, the first air pump 701, and the rotating shaft 305. The second air pump 101 is started via control panel 9. The second air pump 101 draws air into the compression chamber 1 through the second air inlet pipe 102 and the air collection hood 103. Then, motor 104 starts the second electric telescopic rod 105, pushing the push plate 106 to compress the air. The compressed air then enters the filter chamber 2, passing sequentially through the first filter screen 204, the second filter screen, and the third filter screen. The filtered compressed air then enters the liquefaction tank 4 through the second air outlet pipe 202. Next, the rubber stopper 408 is removed, and condensate is filled into the water tank 406 through the liquid filling hopper 407. The water pump 402 is started, drawing the condensate from the water tank 406 to the water outlet pipe 403. The condensate is then dispersed into the condenser pipe 401 through the first connecting pipe 404. The filtered air is then cooled and liquefied through the condenser pipe 401. The liquefied air flows into the water inlet pipe 5 through the liquid collection tank 410, and then into the distillation dish 6. The distillation dish 6 is started, and the liquid vaporizes. Then... The ball valve 602 opens the vaporized steam into the condenser 604, and then the finished product enters the collection tank 605. The rotating shaft 305 is started through the control panel 9. When the rotating shaft 305 rotates, it drives the connecting rod 306 and the baffle 307 to rotate. After the baffle 307 rotates, it can no longer block the dust inlet of the dust trough 308. Then the control panel 9 starts the first electric telescopic rod 301. The first electric telescopic rod 301 extends and retracts, driving the second fixed block 302 and the brush 303 to scrape off the dust on the first filter screen 204. The dust falls into the dust box 3 through the dust trough 308. After the required gas is collected in the distillation dish 6, the first air pump 701 is started. The first air pump 701 draws the waste gas in the distillation dish 6 into the first air inlet pipe 7, and then into the heating tank 704 through the fourth air outlet pipe 702. When the waste gas flows in the heating tank 704, it raises the temperature of the filter box 2 and the compressed air, thereby improving the filtration efficiency.

[0072] It should be noted that in this specification, relational terms such as first and second are used only to distinguish one entity from several other entities, and do not necessarily require or imply any such actual relationship or order between these entities.

[0073] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0074] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. An air separation unit characterized by, include: Base (8); A compression chamber (1) is located above the base (8). The compression chamber (1) is equipped with a compression mechanism inside, which is used to compress the drawn-in air. A filter box (2) is connected to the base (8) and located at the bottom of the compression box (1). The filter box (2) is provided with a cavity and a heating tank (704) isolated from the cavity. The cavity is provided with a filter mechanism and a dust removal mechanism. The filter mechanism is used to filter the compressed air, and the dust removal mechanism is used to clean the dust on the filter mechanism. A liquefaction tank (4) is connected to the base (8). The liquefaction tank (4) is equipped with a liquefaction mechanism inside, which is used to liquefy filtered air. A distillation dish (6) is connected to the base (8). The distillation dish (6) is connected to a distillation mechanism, which is used to distill liquefied air to form a gas to be collected and waste gas. A reheating mechanism is connected to the base (8) and is used to transport the exhaust gas into the heating tank (704) to heat the compressed air.

2. An air separation device according to claim 1, characterized in that The inner wall of the filter box (2) is also provided with a dust trough (308), and the top of the dust trough (308) is provided with a dust inlet that communicates with the cavity. The filtration mechanism includes a first fixed frame (203) disposed in the cavity and a first filter screen (204) connected to the first fixed frame (203) and at the same height as the bottom of the dust inlet. The dust removal mechanism includes a first electric telescopic rod (301), a second fixed block (302) connected to the output end of the first electric telescopic rod (301), and a brush (303) connected to the bottom of the second fixed block (302). The brush (303) contacts the top of the first filter screen (204). The first electric telescopic rod (301) is used to drive the brush (303) to move closer to or away from the dust inlet in the horizontal direction to clean the dust on the first filter screen (204).

3. An air separation device according to claim 2, wherein, The dust removal mechanism also includes: The first fixing block (304) is connected to the inner wall of the filter box (2) and is located above the dust inlet; A rotating shaft (305) is rotatably connected to the first fixed block (304); The connecting rod (306) is connected at one end to the rotating shaft (305) and at the other end to a baffle (307). The rotating shaft (305) can drive the baffle (307) to flip downward so that the dust inlet is in a closed state and not connected to the cavity. The rotating shaft (305) can also drive the baffle (307) to flip upward so that the dust inlet is in an open state and connected to the cavity.

4. An air separation device according to claim 2, wherein, The filter box (2) has a first fixing rod (201) between the four corners of its bottom end and the base (8). The dust outlet of the dust trough (308) is located at the bottom end of the filter box (2). The base (8) is also provided with a dust box (3) for communicating with the dust outlet. The dust box (3) is used to collect dust.

5. An air separation device according to claim 3, wherein, The reheating mechanism includes: The third fixing rod (703) is connected to the base (8); The first air pump (701) is fixed to the top of the third fixing rod (703); The first air inlet pipe (7) is connected at one end to the top of the distillation dish (6) and at the other end to the input end of the first air pump (701). The first air inlet pipe (7) is used to transport the waste gas in the distillation dish (6) to the first air pump (701). The fourth exhaust pipe (702) is connected at one end to the output end of the first air pump (701) and at the other end to the heating tank (704). The fourth exhaust pipe (702) is used to transport the exhaust gas pumped by the first air pump (701) into the heating tank (704).

6. An air separation device according to claim 5, characterized in that The compression mechanism includes: The second air pump (101) is located on the top right side of the compression box (1). The output end of the second air pump (101) is connected to the inside of the compression box (1). The input end of the second air pump (101) is fixedly connected to the second air inlet pipe (102). The top end of the second air inlet pipe (102) is fixedly connected to the air collection hood (103). A motor (104) is located on the right side of the compression box (1). The output end of the motor (104) is fixedly connected to a second electric telescopic rod (105). The output end of the second electric telescopic rod (105) is fixedly connected to a push plate (106) located inside the compression box (1). The second electric telescopic rod (105) is used to drive the push plate (106) to move toward the left side of the compression box (1) to compress the air inside the compression box (1).

7. An air separation device according to claim 6, characterized in that The liquefaction mechanism includes: A condenser tube (401) is installed inside the liquefaction tank (4), and the condenser tube (401) is used to circulate the condensing medium. A liquid collection tank (410) is located at the bottom of the liquefaction tank (4). A water inlet pipe (5) is connected to the bottom of the liquid collection tank (410). The end of the water inlet pipe (5) away from the liquid collection tank (410) is connected to the distillation dish (6).

8. An air separation device according to claim 7, characterized in that, It also includes a loop component, which includes: A water tank (406) has a liquid filling hopper (407) fixedly connected to its top. The water tank (406) has a receiving cavity that communicates with the liquid filling hopper (407). The receiving cavity is used to store condensing medium. A rubber stopper (408) is slidably connected to the top of the liquid filling hopper (407). A water pump (402) is fixedly connected to the inside of the water tank (406) at its input end and a water outlet pipe (403) is fixedly connected to the output end of the water pump (402). The first connecting pipe (404) has one end connected to the end of the water outlet pipe (403) away from the water pump (402), and the other end connected to the input end of the condenser pipe (401); The return pipe (405) is connected at one end to the output end of the condenser (401) and at the other end to the water tank (406), and is used for the condensing medium in the condenser (401) to return to the water tank (406).

9. An air separation device according to claim 8, characterized in that The distillation apparatus includes: A third vent pipe (601) is connected at one end to the top of the distillation dish (6). A ball valve (602), the input end of which is connected to the other end of the third vent pipe (601); The second connecting pipe (603) is connected to the output end of the ball valve (602). The bottom end of the second connecting pipe (603) is fixedly connected to a condenser (604), and the bottom end of the condenser (604) is fixedly connected to a collection tank (605).

10. An air separation device according to claim 9, characterized in that It also includes a control panel (9), which is connected to the base (8), and the control panel (9) is electrically connected to the second air pump (101), the motor (104), the water pump (402), the ball valve (602), the distillation dish (6), the first air pump (701) and the rotating shaft (305).

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