Waste gas purification equipment

Abstract

The utility model relates to the technical field of waste gas purification, in particular to waste gas purification equipment which comprises a tank body, valves are symmetrically and fixedly installed on the tank body, a liquid discharge pipe is fixedly installed at the bottom end of the tank body, the other end of the liquid discharge pipe is fixedly connected with a water tank, and a cover plate is fixedly installed at the top of the water tank. According to the activated carbon desorption device, the steam box is connected to the tank body through the air pipe, the heating pipe heats water to generate steam to desorb activated carbon, and the liquefied steam in the tank body is discharged into the water tank through the liquid discharging pipe, so that the activated carbon can be desorbed through the steam box. After desorption is completed, in order to prevent water vapor from affecting work of the activated carbon, a valve at the top is opened, and then a fan works to blow out the water vapor in the tank body, so that the effect that the activated carbon can be reused by desorbing the activated carbon is achieved, and the problem that in the prior art, activated carbon for filtering waste gas needs to be frequently replaced to ensure that waste gas emission reaches the standard is solved; and the operation cost is high.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas purification, in particular to a waste gas purification device. Background Art

[0002] A large amount of waste gas will be generated during the industrial production process. The waste gas cannot be discharged directly without treatment. For large-volume and low-concentration waste gas filtration and purification treatment methods, the unique pore structure of activated carbon is generally used to adsorb and filter impurities in the waste gas before discharge. However, in order to ensure that the waste gas emissions meet the emission standards, the activated carbon used for filtration needs to be replaced frequently. Utility Model Content

[0003] In view of this, the purpose of the utility model is to propose an exhaust gas purification device to solve the problem that the prior art requires frequent replacement of activated carbon used to filter exhaust gas to ensure that exhaust gas emissions meet standards, resulting in high operating costs.

[0004] Based on the above purpose, the utility model provides an exhaust gas purification device, including a tank body, on which a valve is symmetrically fixedly installed, a drain pipe is fixedly installed at the bottom of the tank body, the other end of the drain pipe is fixedly connected to a water tank, a cover plate is fixedly installed on the top of the water tank, a steam box is fixedly installed on the cover plate, a heating pipe is fixedly installed inside the steam box, an air pipe is fixedly installed on the steam box by bolts, the other end of the air pipe is fixedly installed to the tank body, an air duct is fixedly installed on the bottom of the tank body by bolts, and the other end of the air duct is fixedly connected to a fan by bolts.

[0005] As a preferred technical solution of the utility model, a support plate is fixedly installed inside the tank body, a sealing plate is fixedly installed on the tank body by bolts, and an observation window is fixedly installed in the middle of the tank body by bolts.

[0006] As a preferred technical solution of the utility model, the fan also includes a shell, the air outlet of the shell is fixedly installed with the end of the air duct away from the tank body by bolts, an impeller is rotatably provided inside the shell, a motor is fixedly installed on the shell by bolts, the driving end of the motor is coaxially clamped with the impeller, and a guide plate is fixedly installed on the outside of the air inlet of the shell by bolts.

[0007] As a preferred technical solution of the utility model, a water pump is fixedly installed on the cover plate by bolts, a connecting pipe is fixedly installed on the water outlet of the water pump, a water inlet is opened on the steam box, the other end of the connecting pipe is fixedly connected to the water inlet of the steam box, and an extension pipe is fixedly installed on the water suction port of the water pump.

[0008] As a preferred technical solution of the utility model, a filter plate is provided inside the water tank, a sewage outlet is provided on one side of the water tank close to the drain pipe, a water plug is screwed inside the sewage outlet, and a water injection hole is provided on the cover plate.

[0009] As a preferred technical solution of the utility model, a first bracket is fixedly installed on the bottom of the tank body, and a second bracket is fixedly installed on the bottom of the shell body.

[0010] The beneficial effects of the utility model are as follows: the utility model connects a steam box to the tank body through an air pipe, and the heating pipe heats water to generate water vapor to desorb the activated carbon. The liquefied water vapor inside the tank body is discharged into the water tank through the drain pipe. After the desorption is completed, in order to avoid the water vapor affecting the work of the activated carbon, the fan is operated to blow out the water vapor inside the tank body after opening the top valve, thereby achieving the effect of desorbing the activated carbon and making the activated carbon recyclable, solving the problem of high operating cost caused by the prior art that the activated carbon used for filtering the exhaust gas needs to be frequently replaced to ensure that the exhaust gas emission meets the standards. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure after being split in the utility model.

[0014] Figure 3 It is a schematic diagram of the structure of the blower after being disassembled in the utility model.

[0015] Figure 4 It is a schematic diagram of the connection structure between the tank body and the sealing plate in the utility model.

[0016] Figure 5 It is a schematic diagram of the internal structure of the tank body in the utility model.

[0017] Figure 6 This is a schematic diagram of the connection structure between the water tank and the cover plate in the utility model.

[0018] Figure 7 It is a schematic diagram of the internal structure of the steam box in the utility model.

[0019] The markings in the figure are: 1. tank body; 101. valve; 12. drain pipe; 13. air pipe; 14. air duct; 15. support plate; 16. sealing plate; 17. observation window; 18. first bracket; 2. water tank; 21. cover plate; 22. filter plate; 23. drain outlet; 24. water plug; 25. water injection hole; 3. steam box; 31. heating pipe; 32. water inlet; 4. fan; 41. shell; 42. impeller; 43. motor; 44. guide plate; 45. second bracket; 5. water pump; 51. extension pipe; 52. connecting pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0021] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] like Figure 1-7As shown, the utility model provides an exhaust gas purification device, including a tank body 1, wherein activated carbon is arranged inside the tank body 1 for filtering the exhaust gas, and valves 101 are symmetrically fixedly installed on the tank body 1, and the valves 101 are respectively installed at the upper and lower ends of the tank body 1, and the valve 101 at the bottom end is connected to the untreated exhaust gas for controlling the exhaust gas to enter, and the valve 101 at the top is connected to the exhaust gas discharge chimney for controlling the exhaust gas to be discharged, and a drain pipe 12 is fixedly installed at the bottom end of the tank body 1, and the drain pipe 12 is used to discharge the liquid in the tank body 1, and the other end of the drain pipe 12 is fixedly connected to a water tank 2, and the water tank 2 is used for storing water, and the drain pipe 12 is connected to the water tank 2 for water circulation, and a cover plate 21 is fixedly installed on the top of the water tank 2, and the cover plate 21 is used to seal the water tank 2, and a steam Box 3, a heating pipe 31 is fixedly installed inside the steam box 3, and the heating pipe 31 is located at the bottom of the steam box 3. The water inside the steam box 3 is heated by the heating pipe 31 to generate steam. An air pipe 13 is fixedly installed on the steam box 3 by bolts. The air pipe 13 is connected to the pipeline on the top of the steam box 3. The other end of the air pipe 13 is fixedly installed with the tank body 1, and the other end of the air pipe 13 is connected to the top of the tank body 1. After the steam inside the steam box 3 is saturated, it enters the tank body 1 through the air pipe 13 to desorb the activated carbon. An air duct 14 is fixedly installed on the bottom of the tank body 1 by bolts, and the other end of the air duct 14 is fixedly connected to the fan 4 by bolts. When the fan 4 is working, it blows air into the tank body 1 through the air duct 14 to blow out excess water vapor, thereby ensuring that the activated carbon can be adsorbed normally.

[0023] As an optional implementation, a support plate 15 is fixedly installed inside the tank body 1. The support plate 15 is densely provided with ventilation holes for placing activated carbon to facilitate the upward flow of exhaust gas to the activated carbon to filter the exhaust gas. A sealing plate 16 is fixedly installed on the tank body 1 by bolts. The sealing plate 16 is installed outside the material change hole of the tank body 1. When the activated carbon needs to be replaced, the sealing plate 16 is removed and the activated carbon is replaced through the material change hole. An observation window 17 is fixedly installed in the middle of the tank body 1 by bolts. The outer ring of the observation window 17 is made of stainless steel and the middle is made of transparent material, which is convenient for observing the adsorption state of the activated carbon inside the tank body 1.

[0024] As an optional embodiment, the fan 4 also includes a shell 41, the air outlet of the shell 41 is fixedly installed with the end of the air duct 14 away from the tank body 1 by bolts, the shell 41 is internally provided with an impeller 42 for rotation, a motor 43 is fixedly installed on the shell 41 by bolts, the driving end of the motor 43 is coaxially clamped with the impeller 42, and the motor 43 drives the impeller 42 to rotate when it is started. When the impeller 42 rotates, the external air is drawn into the shell 41 through the air inlet and transported to the inside of the tank body 1 through the air duct 14. A guide plate 44 is fixedly installed on the outside of the air inlet of the shell 41 by bolts, and the guide plate 44 can better introduce the external air into the shell 41.

[0025] As an optional implementation, a water pump 5 is fixedly installed on the cover plate 21 by bolts, a connecting pipe 52 is fixedly installed at the water outlet of the water pump 5, a water inlet 32 ​​is opened on the steam box 3, the other end of the connecting pipe 52 is fixedly connected to the water inlet 32 ​​of the steam box 3, and when the water pump 5 is started, the water inside the water tank 2 is pumped into the steam box 3 through the connecting pipe 52, and an extension pipe 51 is fixedly installed at the water suction port of the water pump 5, and the other end of the extension pipe 51 is placed at the bottom of the water tank 2 to facilitate the extraction of water from the bottom of the water tank 2.

[0026] Preferably, a filter plate 22 is provided inside the water tank 2, and the filter plate 22 divides the space inside the water tank 2 into two parts, which is used to filter impurities discharged from the liquid in the tank body 1 to avoid blocking the water pump 5, so as to achieve the effect of recycling condensed water, improve utilization rate and reduce water cost. A sewage outlet 23 is provided on the side of the water tank 2 close to the drain pipe 12, and a water plug 24 is screwed in the sewage outlet 23. The water in the water tank 2 can be discharged by unscrewing the water plug 24, which is used to discharge impurities filtered by the water tank 2. A water injection hole 25 is provided on the cover plate 21, and the water injection hole 25 is connected to an external water injection pipe to inject water into the water tank 2 for use by the steam box 3.

[0027] Preferably, a first bracket 18 is fixedly mounted on the bottom of the tank body 1 , and the first bracket 18 is used to support the tank body 1 . A second bracket 45 is fixedly mounted on the bottom of the shell 41 , and the second bracket 45 is used to support the fan 4 .

[0028] Working principle: When the utility model is in use, first close the two valves 101, inject water into the water tank 2 through the water injection hole 25, then start the water pump 5 to pump the water in the water tank 2 into the steam box 3, and the heating tube 31 works to heat the water in the steam box 3 to form water vapor. When the water vapor in the steam box 3 is saturated, it will enter the tank body 1 through the air pipe 13. When the water vapor fills the tank body 1, the saturated activated carbon is desorbed. During desorption, the liquefied water vapor is discharged into the water tank 2 through the drain pipe 12, filtered through the filter plate 22 and recycled. When the activated carbon in the tank body 1 is desorbed, open the top valve 101 for exhaust, start the fan 4 to blow air into the tank body 1, and the air in the tank body 1 is discharged through the top valve 101. This process will blow out the excess water vapor in the tank body 1 and the moisture on the activated carbon. Then the fan 4 stops working, and the bottom valve 101 is opened to desorb and filter the exhaust gas normally again.

[0029] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0030] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An exhaust gas purification device, characterized in that: The invention comprises a tank body (1), a valve (101) is symmetrically fixedly mounted on the tank body (1), a drain pipe (12) is fixedly mounted on the bottom end of the tank body (1), the other end of the drain pipe (12) is fixedly connected to a water tank (2), a cover plate (21) is fixedly mounted on the top of the water tank (2), a steam box (3) is fixedly mounted on the cover plate (21), a heating pipe (31) is fixedly mounted inside the steam box (3), an air pipe (13) is fixedly mounted on the steam box (3) by means of bolts, the other end of the air pipe (13) is fixedly mounted on the tank body (1), an air pipe (14) is fixedly mounted on the bottom of the tank body (1) by means of bolts, the other end of the air pipe (14) is fixedly connected to a fan (4) by means of bolts.

2. The exhaust gas purification device according to claim 1, characterized in that: A support plate (15) is fixedly installed inside the tank body (1), a sealing plate (16) is fixedly installed on the tank body (1) by means of bolts, and an observation window (17) is fixedly installed in the middle of the tank body (1) by means of bolts.

3. The exhaust gas purification device according to claim 1, characterized in that: The fan (4) further comprises a housing (41), an air outlet of the housing (41) being fixedly mounted to an end of the air duct (14) away from the tank body (1) by means of bolts, an impeller (42) being rotatably arranged inside the housing (41), a motor (43) being fixedly mounted on the housing (41) by means of bolts, a driving end of the motor (43) being coaxially clamped with the impeller (42), and a guide plate (44) being fixedly mounted on the outer side of the air inlet of the housing (41) by means of bolts.

4. The exhaust gas purification device according to claim 1, characterized in that: A water pump (5) is fixedly mounted on the cover plate (21) by means of bolts; a connecting pipe (52) is fixedly mounted on the water outlet of the water pump (5); a water inlet (32) is provided on the steam box (3); the other end of the connecting pipe (52) is fixedly connected to the water inlet (32) of the steam box (3); and an extension pipe (51) is fixedly mounted on the water suction port of the water pump (5).

5. The exhaust gas purification device according to claim 1, characterized in that: A filter plate (22) is provided inside the water tank (2), a sewage outlet (23) is provided on one side of the water tank (2) close to the liquid discharge pipe (12), a water plug (24) is screwed into the sewage outlet (23), and a water injection hole (25) is provided on the cover plate (21).

6. The exhaust gas purification equipment according to claim 3, characterized in that: A first bracket (18) is fixedly mounted on the bottom of the tank body (1), and a second bracket (45) is fixedly mounted on the bottom of the shell body (41).

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