Waste gas washing tower for industrial waste gas treatment

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By using heating components in the exhaust gas scrubbing tower to generate water vapor that encapsulates impurities and purifies them using packing material, and combining this with a condenser to recycle water resources, the problems of dead spots in the spraying and sewage pollution are solved, achieving efficient purification and environmentally friendly exhaust gas treatment.

CN223517280UActive Publication Date: 2025-11-07NANTONG RUISHENG ENVIRONMENTAL PROTECTION TECH CO LTD

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Patent Information

Application Number: CN202423118737.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-12-17
Publication Date: 2025-11-07
Estimated Expiration: 2034-12-17

AI Technical Summary

Technical Problem

Existing exhaust gas scrubbing towers are prone to developing spray dead zones during use, leading to reduced purification efficiency and the generation of large amounts of wastewater, which pollutes the environment.

Method used

The heating components inside the tank heat the evaporation plate through a reboiler to generate water vapor that encapsulates impurities in the exhaust gas. The packing material is used for purification, and the water vapor is cooled by a condenser and then recycled to ensure full space coverage and purification effect.

Benefits of technology

It achieves full-space coverage purification of exhaust gas, improves purification efficiency, reduces wastewater generation, and protects the environment.

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Abstract

The utility model discloses a waste gas washing tower for industrial waste gas treatment, particularly relates to the technical field of waste gas washing, and comprises a tank body, a fixed plate, a gas transmission port, a gas collecting hood, a gas outlet pipe, a heating assembly, a filtering assembly, a cooling assembly, a collecting assembly, a fixed assembly and a circulating assembly, the waste gas washing tower for industrial waste gas treatment mainly comprises a tank body, a filler, a reboiler and a condenser. In the using process, the reboiler heats washing liquid in the evaporation plate, the washing liquid is heated into water vapor, impurities such as dust in waste gas are wrapped with the water vapor, due to the fact that the water vapor has good diffusivity and wrapping performance, it can be guaranteed that the whole space is covered, the water vapor wrapping the impurities can be purified by the filler, the impurities are fixed, and therefore the waste gas is purified. And the water vapor can be kept at a certain temperature in the tank body, so that pollutants in the waste gas and the washing liquid can be subjected to sufficient physical or chemical reaction, and the purposes of better washing and purifying are achieved.

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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste gas washing, more specifically, the utility model relates to a waste gas washing tower for industrial waste gas treatment. BACKGROUND

[0002] One of the commonly used equipment in industrial waste gas treatment is waste gas washing tower. Waste gas washing tower is a very effective device in industrial waste gas treatment, widely used in industrial waste gas purification, dust removal and other aspects of pretreatment, with good purification effect. Waste gas washing tower is a very effective device in industrial waste gas treatment, with wide application prospect and important environmental protection significance. The impurities in waste gas are removed by spraying detergent in the washing tower, so as to achieve the purpose of washing and purification.

[0003] The existing washing tower is often treated by gas-liquid reverse phase absorption method through the contact between the internal filler and industrial waste gas and then through multiple spraying and spraying treatment to achieve the effect of washing. This washing method often has fixed installation of spraying device, which is easy to cause spraying dead angle and reduce purification effect, resulting in decrease of washing efficiency and a large amount of sewage, which pollutes the surrounding environment.

[0004] Therefore, a waste gas washing tower for industrial waste gas treatment is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a waste gas washing tower for industrial waste gas treatment to solve the problems in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste gas washing tower for industrial waste gas treatment, comprising a tank body, a fixed plate, a gas inlet, a gas collecting hood, a gas outlet pipe, a heating assembly, a filtering assembly, a cooling assembly, a collecting assembly, a fixing assembly and a circulating assembly, the bottom of the tank body is provided with a fixed plate, and the outer wall surface of the tank body is provided with a gas inlet, the lower part of the gas inlet is provided with a heating assembly, and the upper part of the gas inlet is provided with a filtering assembly, the upper part of the filtering assembly is provided with a cooling assembly, and the outer diameter of the cooling assembly is provided with a collecting assembly, the upper part of the collecting assembly is provided with a gas collecting hood, and the top of the gas collecting hood is provided with a gas outlet pipe, one side of the tank body is provided with a fixing assembly, and the upper part of the fixing assembly is provided with a circulating assembly.

[0007] Preferably, the heating assembly comprises a reboiler, an evaporation plate, an air permeable cover and a water injection hole, the top of the reboiler is provided with an evaporation plate, and the outer wall of the evaporation plate is provided with a water injection hole, and the upper part of the evaporation plate is provided with an air permeable cover.

[0008] Preferably, the filter assembly comprises a support frame and a filler, the support frame is provided with the filler on top, and the support frame is a hollow mesh structure.

[0009] Preferably, the cooling assembly comprises an arc-shaped plate, an air inlet, a condensation cavity, a condenser, a condensation plate and a support rod, the top of the arc-shaped plate is provided with the air inlet, and the condensation plate is arranged above the air inlet, the condensation cavity is arranged between the arc-shaped plate and the condensation plate, the top of the condensation plate is provided with the condenser, and the bottom of the condensation plate is provided with the support rod.

[0010] Preferably, the collection assembly comprises a concave plate, a collection groove and a collection hole, the top of the concave plate is provided with the collection groove, and the top of the collection groove is provided with the collection hole.

[0011] Preferably, the circulation assembly comprises a collection pipe, a circulating water tank, a water outlet pipe and a check valve, the top of the circulating water tank is provided with the collection pipe, the bottom of the circulating water tank is provided with the water outlet pipe, and the outer diameter surface of the water outlet pipe is provided with the check valve.

[0012] Preferably, the fixing assembly comprises a fixing frame and a support plate, and the top of the fixing frame is provided with the support plate.

[0013] Preferably, the support plate is arranged in a circular array with three support plates as the center of the fixing frame, and the support frame and the filler are closely attached.

[0014] The technical effects and advantages of the present application are as follows:

[0015] 1. Compared with the prior art, the industrial waste gas treatment waste gas washing tower mainly comprises a tank body, a filler, a reboiler and a condenser. In the use process, the reboiler heats and evaporates the washing liquid in the evaporation plate, heats the washing liquid into water vapor, and uses the water vapor to wrap the impurities such as dust in the waste gas. Since the water vapor has good diffusivity and wrapping property, it can ensure that all spaces are covered, and the water vapor wrapped with impurities can be purified by the filler to fix the impurities. The water vapor can also maintain a certain temperature in the tank body, which helps the pollutants in the waste gas to fully react with the washing liquid physically or chemically, so as to achieve better washing and purification.

[0016] 2. Compared with the prior art, the industrial waste gas treatment waste gas washing tower is provided with a condenser, which can cool the high-temperature filtered water vapor into water droplets and collect them into the water storage tank for recycling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the present application.

[0018] Figure 2 It is a sectional structure schematic view of the filler of the present application.

[0019] Figure 3 This is a schematic diagram of the reboiler of this utility model.

[0020] Figure 4 This is a cross-sectional structural diagram of the condenser of this utility model.

[0021] Figure 5 This is a schematic diagram of the condenser of this utility model.

[0022] Figure 6 This is a schematic diagram of the condenser of this utility model.

[0023] The attached diagram is labeled as follows: 1. Tank body; 2. Fixing plate; 3. Gas inlet; 4. Reboiler; 5. Evaporation plate; 6. Vent hood; 7. Water inlet; 8. Support frame; 9. Packing material; 10. Arc plate; 11. Gas inlet; 12. Condensation chamber; 13. Condenser; 14. Condensation plate; 15. Support rod; 16. Concave plate; 17. Collection tank; 18. Collection hole; 19. Collection pipe; 20. Circulating water tank; 21. Water outlet pipe; 22. Check valve; 23. Fixing frame; 24. Supporting plate; 25. Gas collection hood; 26. Gas outlet pipe; 40. Heating assembly; 41. Filter assembly; 42. Cooling assembly; 43. Collection assembly; 44. Fixing assembly; 45. Circulation assembly. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0025] Example 1

[0026] As attached Figures 1 to 6 The waste gas scrubbing tower for industrial waste gas treatment shown includes a tank 1, a fixed plate 2, an air inlet 3, a gas collection hood 25, an air outlet pipe 26, a heating component 40, a filter component 41, a cooling component 42, a collection component 43, a fixing component 44, and a circulation component 45. The fixed plate 2 is installed at the bottom of the tank 1, and the air inlet 3 is opened on the outer wall surface of the tank 1. The heating component 40 is installed below the air inlet 3, and the filter component 41 is installed above the air inlet 3. The cooling component 42 is installed above the filter component 41, and the collection component 43 is installed on the outer diameter of the cooling component 42. The gas collection hood 25 is installed above the collection component 43, and the air outlet pipe 26 is installed on the top of the gas collection hood 25. The fixing component 44 is installed on one side of the tank 1, and the circulation component 45 is fixed above the fixing component 44.

[0027] Wherein: the outer wall of the tank body 1 is provided with a gas inlet 3 for conveying waste gas, and the purified gas passes through a heating assembly 40, a filtering assembly 41 and a cooling assembly 42, so that the purified gas enters the gas collecting cover 25, and finally is discharged by the gas outlet pipe 26.

[0028] Example 2

[0029] Based on the embodiment 1, the scheme in the embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 5 As shown in the figure, see the following description in detail:

[0030] As a preferred embodiment, the heating assembly 40 includes a reboiler 4, an evaporation plate 5, a gas permeable cover 6 and a water injection hole 7, the evaporation plate 5 is installed at the top of the reboiler 4, the outer wall of the evaporation plate 5 is provided with the water injection hole 7, the gas permeable cover 6 is installed above the evaporation plate 5, the reboiler 4 at the bottom of the tank body 1 heats the evaporation plate 5, the side wall of the evaporation plate 5 is provided with the water injection hole 7, the circulating water tank 20 injects water or detergent into the water injection hole 7 through the water outlet pipe 21, the steam generated by heating the evaporation plate 5 by the reboiler 4 enters the inside of the tank body 1 through the gas permeable cover 6, and combines with the impurities in the waste gas, the steam can cover the entire space of the tank body 1, and the quality of purification is ensured.

[0031] As a preferred embodiment, the filtering assembly 41 includes a support frame 8 and a filler 9, the support frame 8 is provided with the filler 9 at the top, and the support frame 8 is a hollow mesh structure, the steam wrapped with impurities will enter the filler 9 for purification through the support frame 8, the steam and impurities will be blocked and fixed by the filler 9, and the steam below will continuously heat the filler 9, since the impurities and dust cannot be gasified, the heated filler 9 not only accelerates the chemical reaction of the pollutants in the waste gas with the washing liquid, but also makes the water in the filler 9 continue to become steam and float to a high place.

[0032] As a preferred embodiment, the cooling assembly 42 includes an arc-shaped plate 10, an air inlet 11, a condensation cavity 12, a condenser 13, a condensation plate 14 and a support rod 15, the top of the arc-shaped plate 10 is provided with the air inlet 11, the top of the air inlet 11 is provided with the condensation plate 14, the condensation cavity 12 is provided between the arc-shaped plate 10 and the condensation plate 14, the top of the condensation plate 14 is provided with the condenser 13, and the bottom of the condensation plate 14 is provided with the support rod 15, the steam floating to a high place will enter the condensation cavity 12 through the air inlet 11 at the top of the arc-shaped plate 10, the steam entering the condensation cavity 12 will be cooled on the lower end surface of the condensation plate 14 by the condensation plate 14 refrigerated by the condenser 13, since the condensation plate 14 is arc-shaped, the cooled water will flow into the concave plate 16 along the condensation plate 14.

[0033] As a preferred implementation, the collecting assembly 43 comprises a concave plate 16, a collecting groove 17 and a collecting hole 18, the collecting groove 17 is arranged on the top of the concave plate 16, and the collecting hole 18 is arranged on the top of the collecting groove 17, the collecting groove 17 arranged on the top of the concave plate 16 can collect water, and when the water reaches a certain degree, it will flow into the collecting pipe 19 through the collecting hole 18 arranged on the top of the collecting groove 17.

[0034] As a preferred implementation, the circulating assembly 45 comprises a collecting pipe 19, a circulating water tank 20, a water outlet pipe 21 and a check valve 22, the collecting pipe 19 is arranged on the top of the circulating water tank 20, the water outlet pipe 21 is arranged on the bottom of the circulating water tank 20, and the check valve 22 is arranged on the outer diameter surface of the water outlet pipe 21, the collecting pipe 19 can guide water into the circulating water tank 20 for recycling, and the circulating water tank 20 can inject water into the water injection hole 7 through the water outlet pipe 21 below, so as to achieve water circulation.

[0035] As a preferred implementation, the fixing assembly 44 comprises a fixing frame 23 and a support plate 24, the support plate 24 is arranged on the top of the fixing frame 23, and three support plates 24 are arranged to support the circulating water tank 20.

[0036] As a preferred implementation, the support plate 24 is arranged in a circular array with the fixing frame 23 as the center, and there are three support plates 24, the support frame 8 and the filler 9 are closely attached, so that the support frame 8 and the filler 9 cannot have gaps, thereby avoiding the generation of dead angles.

[0037] The working process of the utility model is as follows: the device is installed at the bottom of the tank body 1, the reboiler 4 heats the evaporation plate 5, the side wall of the evaporation plate 5 is provided with a water injection hole 7, the circulating water tank 20 injects water or detergent into the water injection hole 7 through the water outlet pipe 21, the outer diameter of the water outlet pipe 21 is provided with a check valve 22, the flow of water is controlled through the check valve 22, the outer wall of the tank body 1 is provided with a gas inlet 3 for inputting waste gas, the steam generated by heating the evaporation plate 5 through the reboiler 4 enters the inside of the tank body 1 through the gas cover 6 and combines with impurities in the waste gas, the steam can cover the whole space of the tank body 1, ensuring the quality of purification, the steam wrapped with impurities enters the filler 9 through the support frame 8, and the steam and impurities are blocked and fixed by the filler 9, the steam below continuously heats the filler 9, and since the impurities and dust cannot be gasified, the heated filler 9 not only accelerates the chemical reaction between the pollutants in the waste gas and the washing liquid, but also makes the water in the filler 9 continue to become steam and float to a high place.

[0038] The steam floating to the high place will enter the condensing cavity 12 through the air inlet 11 on the top of the arc-shaped plate 10, and the steam entering the condensing cavity 12 will be cooled on the lower end surface of the condensing plate 14 refrigerated by the condenser 13. Since the condensing plate 14 is arc-shaped, the cooled water will flow into the concave plate 16 along the condensing plate 14, and the collection groove 17 on the top of the concave plate 16 can collect the water. When the water reaches a certain degree, it will flow into the collection pipe 19 through the collection hole 18 on the top of the collection groove 17. The collection pipe 19 will guide the water into the circulating water tank 20 for recycling. A plurality of supporting rods 15 are installed below the condensing plate 14 for support, which can make the purified gas enter the gas collecting cover 25 through the gap between every two supporting rods 15, and be discharged through the gas outlet pipe 26. Three supporting plates 24 are installed below the circulating water tank 20 for support. The above is the working principle of the waste gas washing tower for industrial waste gas treatment.

Claims

1. An exhaust gas scrubbing tower for industrial exhaust gas treatment, comprising a tank body (1), a fixed plate (2), a gas inlet (3), a gas collecting cover (25), a gas outlet pipe (26), a heating assembly (40), a filtering assembly (41), a cooling assembly (42), a collecting assembly (43), a fixing assembly (44) and a circulating assembly (45), characterized in that: The bottom of the tank body (1) is provided with a fixed plate (2), and the outer wall surface of the tank body (1) is provided with a gas outlet (3), the lower portion of the gas outlet (3) is provided with a heating assembly (40), the upper portion of the gas outlet (3) is provided with a filtering assembly (41), the upper portion of the filtering assembly (41) is provided with a cooling assembly (42), the outer diameter of the cooling assembly (42) is provided with a collecting assembly (43), the upper portion of the collecting assembly (43) is provided with a gas collecting cover (25), the top of the gas collecting cover (25) is provided with a gas outlet pipe (26), one side of the tank body (1) is provided with a fixing assembly (44), and the upper portion of the fixing assembly (44) is fixedly provided with a circulating assembly (45).

2. The waste gas scrubbing tower for treating industrial waste gas according to claim 1, characterized in that: The heating assembly (40) comprises a reboiler (4), an evaporation plate (5), a gas permeable cover (6) and a water injection hole (7), the top of the reboiler (4) is provided with the evaporation plate (5), the outer wall of the evaporation plate (5) is provided with the water injection hole (7), and the upper portion of the evaporation plate (5) is provided with the gas permeable cover (6).

3. The industrial waste gas treatment waste gas scrubbing tower according to claim 1, characterized in that: The filtering assembly (41) comprises a support frame (8) and a filler (9), the upper portion of the support frame (8) is provided with the filler (9), and the support frame (8) is a hollow mesh structure.

4. The industrial waste gas treatment waste gas scrubbing tower according to claim 1, characterized in that: The cooling assembly (42) comprises an arc-shaped plate (10), an air inlet (11), a condensation cavity (12), a condenser (13), a condensation plate (14) and a support rod (15), the top of the arc-shaped plate (10) is provided with the air inlet (11), the upper portion of the air inlet (11) is provided with the condensation plate (14), the condensation cavity (12) is arranged between the arc-shaped plate (10) and the condensation plate (14), the top of the condensation plate (14) is provided with the condenser (13), and the bottom of the condensation plate (14) is provided with the support rod (15).

5. The industrial waste gas treatment waste gas scrubbing tower according to claim 1, characterized in that: The collecting assembly (43) comprises a concave plate (16), a collecting groove (17) and a collecting hole (18), the top of the concave plate (16) is provided with the collecting groove (17), and the top of the collecting groove (17) is provided with the collecting hole (18).

6. The industrial waste gas treatment waste gas scrubbing tower according to claim 1, characterized in that: The circulating assembly (45) comprises a collecting pipe (19), a circulating water tank (20), a water outlet pipe (21) and a check valve (22), the top of the circulating water tank (20) is provided with the collecting pipe (19), the bottom of the circulating water tank (20) is provided with the water outlet pipe (21), and the outer diameter surface of the water outlet pipe (21) is provided with the check valve (22).

7. The industrial waste gas treatment waste gas scrubbing tower according to claim 3, characterized in that: The fixing assembly (44) comprises a fixed frame (23) and a support plate (24), and the top of the fixed frame (23) is provided with the support plate (24).

8. The industrial waste gas treatment waste gas scrubbing tower according to claim 7, characterized in that: The support plate (24) is arranged in a circular array with the fixed frame (23) as the center, and there are three support plates (24), the support frame (8) and the filler (9) are closely attached.