Nitrogen oxide and silicon dioxide collecting device

By installing a combined collection screen inside the water tank of the plasma water washing exhaust gas treatment equipment, the problem of equipment damage caused by nitrogen oxides and silica dust entering the water tank was solved, achieving stable operation of the equipment and reducing maintenance costs.

CN223517198UActive Publication Date: 2025-11-07苏州仓立新能源科技有限公司
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Patent Information

Application Number
CN202422802934.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-11-07
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Existing plasma water-washing exhaust gas treatment equipment is prone to having nitrogen oxides and silica dust generated during the PECVD process enter the water tank, causing damage to the diaphragm pump and nozzle blockage, leading to abnormal equipment shutdown.

Method used

A modular collection screen is installed inside the water tank, consisting of two screens, one above the other. Each screen is made up of curved mesh panels that intercept large dust particles. The screens are easy to clean via a handle and can be partially replaced if damaged.

Benefits of technology

It effectively intercepts large dust particles, preventing equipment damage, reducing maintenance costs, extending service life, and improving equipment stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223517198U_ABST
Patent Text Reader

Abstract

The utility model discloses a nitrogen oxide and silicon dioxide collecting device, which relates to the technical field of tail gas treatment equipment and comprises a plasma water washing type tail gas treatment equipment water tank, a reaction cavity connecting port and a combined collecting net cylinder, and the reaction cavity connecting port is arranged on the upper portion of the plasma water washing type tail gas treatment equipment water tank. According to the plasma water washing type tail gas treatment equipment, the combined type collecting net cylinder is arranged in the water tank of the plasma water washing type tail gas treatment equipment, and the combined type collecting net cylinder can intercept large-particle dust of nitrogen oxides and silicon dioxide entering the water tank through the reaction cavity; the large-particle dust cannot be diffused outwards through the combined collecting net barrel, and the situation that large particles are sucked into the pump by the diaphragm pump to cause damage to a diaphragm in the diaphragm pump, or are sucked into and conveyed into a nozzle by a circulating pump to cause blockage of the nozzle to cause abnormal shutdown of equipment is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment equipment technical field, specifically is a kind of nitrogen oxide and silicon dioxide collection device. BACKGROUND

[0002] Plasma water washing type tail gas treatment equipment is an important industrial tail gas treatment equipment, is widely used in processing harmful gas generated in industrial production, the main components of plasma water washing type tail gas treatment equipment include plasma generator, water washing tower, water pump, water tank and control cabinet, plasma generator is used to generate plasma, water washing tower is used to wash harmful substances in tail gas, water pump and water tank are used to control the flow and liquid level of water, and control cabinet is used to control the operation of the whole equipment, the design of this equipment aims at efficiently treating waste gas generated in industrial production, removes harmful components in waste gas through the combined action of plasma and water washing, to achieve the purpose of purifying air.

[0003] However, the existing equipment will produce a large amount of dust in the process of treating PECVD special gas, these dusts are mainly nitrogen oxide and silicon dioxide dust, these dusts will enter the water tank through the reaction cavity, some large particles in the dust are easy to be sucked into the pump by the diaphragm pump, which can cause damage to the diaphragm inside the diaphragm pump, and are also easy to be sucked into the nozzle by the circulating pump, causing the nozzle to be blocked, thereby causing the equipment to stop abnormally. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of nitrogen oxide and silicon dioxide collection device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of nitrogen oxide and silicon dioxide collection device, including plasma water washing type tail gas treatment equipment water tank, reaction cavity connecting port and combined collecting net cylinder, the upper portion of the plasma water washing type tail gas treatment equipment water tank is provided with reaction cavity connecting port, the inside of the plasma water washing type tail gas treatment equipment water tank is provided with combined collecting net cylinder, the combined collecting net cylinder is correspondingly arranged above and below with reaction cavity connecting port, the combined collecting net cylinder includes upper collecting net cylinder, lower collecting net cylinder and bottom plate, second screw is arranged between the upper collecting net cylinder and lower collecting net cylinder and between lower collecting net cylinder and bottom plate, the upper collecting net cylinder and lower collecting net cylinder are fixed by second screw, the lower collecting net cylinder is fixedly connected with bottom plate by second screw, the upper collecting net cylinder and lower collecting net cylinder all include first arc-shaped mesh and second arc-shaped mesh, first screw is arranged between the first arc-shaped mesh and second arc-shaped mesh, the first arc-shaped mesh and second arc-shaped mesh are fixed by first screw.

[0007] As a further scheme of the utility model: the upper and lower ends of the first arc-shaped mesh and the second arc-shaped mesh are provided with end plates, second threaded holes are formed in the end plates of the lower ends of the first arc-shaped mesh and the second arc-shaped mesh, and the second screws are in threaded connection with the second threaded holes.

[0008] As a further scheme of the utility model: the two sides of the first arc-shaped mesh and the second arc-shaped mesh are provided with side plates, first threaded holes are formed in the side plates of the two sides of the first arc-shaped mesh and the second arc-shaped mesh, and the first screws are in threaded connection with the first threaded holes.

[0009] As a further scheme of the utility model: the upper end of the upper collecting mesh cylinder is located in the reaction cavity connecting port, and the inner diameter of the reaction cavity connecting port is adapted to the sum of the outer diameters of the two end plates on the upper collecting mesh cylinder.

[0010] As a further scheme of the utility model: a handle is arranged on the upper portion of the upper collecting mesh cylinder, and the two ends of the handle are fixedly connected with the side plates on the two sides of the first arc-shaped mesh in the upper collecting mesh cylinder.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a combined collecting mesh cylinder is installed in the water tank of the plasma water washing type tail gas treatment equipment, the combined collecting mesh cylinder is oppositely arranged with the reaction cavity connecting port, the combined collecting mesh cylinder can intercept the nitrogen oxides and the large particle dust of silicon dioxide entering the water tank through the reaction cavity, so that the large particle dust cannot spread outward through the combined collecting mesh cylinder, avoiding that the large particles are sucked into the pump by the diaphragm pump, causing the damage of the diaphragm in the diaphragm pump, or the large particles are sucked into the nozzle by the circulating pump and are delivered to the nozzle, causing the nozzle to be blocked, thereby causing the abnormal shutdown of the equipment.

[0013] 2、The combined collecting mesh cylinder is composed of two collecting mesh cylinders, and each collecting mesh cylinder is composed of a first arc-shaped mesh and a second arc-shaped mesh, so that the combined collecting mesh cylinder can be locally replaced when being damaged, the maintenance cost is reduced, and the service life of the combined collecting mesh cylinder is prolonged.

[0014] 3、The handle is arranged on the upper portion of the combined collecting mesh cylinder, so that the combined collecting mesh cylinder can be directly taken out from the water tank through the handle when the large particle dust in the combined collecting mesh cylinder needs to be cleaned, and the cleaning is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure installation drawing of a nitrogen oxide and silicon dioxide collecting device.

[0016] Figure 2Nitrogen oxide and silicon dioxide collecting device Figure 1 The overall structure diagram of the combined collecting net cylinder.

[0017] Figure 3 Nitrogen oxide and silicon dioxide collecting device Figure 2 The structure diagram of the first arc-shaped mesh.

[0018] 1, water tank of plasma water washing type tail gas treatment equipment; 2, reaction cavity connecting port; 3, combined collecting net cylinder; 4, upper collecting net cylinder; 5, lower collecting net cylinder; 6, first arc-shaped mesh; 7, side plate; 8, end plate; 9, first screw; 10, second screw; 11, handle; 12, first threaded hole; 13, second threaded hole; 14, second arc-shaped mesh; 15, bottom plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figure 1 In the embodiments of the present application, a nitrogen oxide and silicon dioxide collecting device includes a plasma water washing type tail gas treatment equipment water tank 1, a reaction cavity connecting port 2 and a combined collecting net cylinder 3. The upper part of the plasma water washing type tail gas treatment equipment water tank 1 is provided with the reaction cavity connecting port 2, and the inside of the plasma water washing type tail gas treatment equipment water tank 1 is provided with the combined collecting net cylinder 3. The combined collecting net cylinder 3 is arranged in correspondence with the reaction cavity connecting port 2. The combined collecting net cylinder 3 can intercept the nitrogen oxide and silicon dioxide large-particle dust entering the water tank through the reaction cavity, so that the large-particle dust cannot spread outward through the combined collecting net cylinder 3, avoiding that the large particles are sucked into the pump by the diaphragm pump, causing the diaphragm inside the diaphragm pump to be damaged, or being sucked into the nozzle by the circulating pump, causing the nozzle to be blocked, thereby causing the equipment to be abnormally stopped.

[0021] Please refer to Figures 1-3, the combined collecting net cylinder 3 comprises an upper collecting net cylinder 4, a lower collecting net cylinder 5 and a bottom plate 15, second screws 10 are arranged between the upper collecting net cylinder 4 and the lower collecting net cylinder 5 and between the lower collecting net cylinder 5 and the bottom plate 15, the upper collecting net cylinder 4 and the lower collecting net cylinder 5 are fixed through the second screws 10, the lower collecting net cylinder 5 is fixedly connected with the bottom plate 15 through the second screws 10, the upper collecting net cylinder 4 and the lower collecting net cylinder 5 each comprise a first arc-shaped mesh 6 and a second arc-shaped mesh 14, first screws 9 are arranged between the first arc-shaped mesh 6 and the second arc-shaped mesh 14, the first arc-shaped mesh 6 and the second arc-shaped mesh 14 are fixed through the first screws 9, end plates 8 are arranged at the upper and lower ends of the first arc-shaped mesh 6 and the second arc-shaped mesh 14, second threaded holes 13 are formed in the end plates 8 at the lower ends of the first arc-shaped mesh 6 and the second arc-shaped mesh 14, the second screws 10 are in threaded connection with the second threaded holes 13, side plates 7 are arranged at the two sides of the first arc-shaped mesh 6 and the second arc-shaped mesh 14, first threaded holes 12 are formed in the side plates 7 at the two sides of the first arc-shaped mesh 6 and the second arc-shaped mesh 14, and the first screws 9 are in threaded connection with the first threaded holes 12;

[0022] The upper cylinder opening of the upper collecting net cylinder 4 is located in the reaction cavity connecting opening 2, and the inner diameter of the reaction cavity connecting opening 2 is adapted to the sum of the outer diameters of the two end plates 8 of the upper collecting net cylinder 4, so that no gap is formed between the upper collecting net cylinder 4 and the reaction cavity connecting opening 2, and dust cannot fall outside the collecting net cylinder.

[0023] Please refer to Figure 2 A handle 11 is arranged at the upper portion of the upper collecting net cylinder 4, and the two ends of the handle 11 are fixedly connected with the side plates 7 at the two sides of the first arc-shaped mesh 6 in the upper collecting net cylinder 4, so that when it is necessary to clean the large-particle dust in the combined collecting net cylinder 3, the combined collecting net cylinder 3 can be directly taken out from the water tank 1 of the plasma water washing type tail gas treatment equipment through the handle 11, and cleaning is more convenient.

[0024] The working principle of the utility model is as follows:

[0025] In use, a large amount of dust generated in the process of treating PECVD special gas by the equipment can enter the water tank through the reaction cavity, at this time, some large-particle nitrogen oxides and silicon dioxide dust can be intercepted by the combined collecting net cylinder 3 installed in the water tank, so that these large particles cannot be sucked into the pump by the diaphragm pump or the circulating pump, when it is necessary to clean the dust in the combined collecting net cylinder 3, the shell of the plasma water washing type tail gas treatment equipment is only needed to be opened, and the combined collecting net cylinder 3 can be taken out through the handle 11, and cleaning can be performed, when the combined collecting net cylinder 3 is damaged, the corresponding screws are only needed to be unscrewed, and then the damaged first arc-shaped mesh 6 or second arc-shaped mesh 14 can be disassembled, and then a new one can be reinstalled.

[0026] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A nitrogen oxide and silicon dioxide collecting device, comprising a plasma water washing type tail gas treatment equipment water tank (1), a reaction cavity connecting port (2) and a combined collecting net cylinder (3), characterized in that: The water tank (1) of the plasma water washing type tail gas treatment equipment is provided with a reaction cavity connecting port (2) at the upper portion, and a combined collecting mesh cylinder (3) is arranged inside the water tank (1), the combined collecting mesh cylinder (3) is arranged in correspondence with the reaction cavity connecting port (2) up and down, the combined collecting mesh cylinder (3) comprises an upper collecting mesh cylinder (4), a lower collecting mesh cylinder (5) and a bottom plate (15), the upper collecting mesh cylinder (4) and the lower collecting mesh cylinder (5) and the lower collecting mesh cylinder (5) and the bottom plate (15) are provided with a second screw (10), the upper collecting mesh cylinder (4) and the lower collecting mesh cylinder (5) are fixed through the second screw (10), the lower collecting mesh cylinder (5) and the bottom plate (15) are fixedly connected through the second screw (10), the upper collecting mesh cylinder (4) and the lower collecting mesh cylinder (5) comprise a first arc-shaped mesh (6) and a second arc-shaped mesh (14), the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are provided with a first screw (9), and the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are fixed through the first screw (9).

2. A device for collecting nitrogen oxides and silicon dioxide according to claim 1, characterized in that: The upper and lower ends of the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are provided with end plates (8), the end plates (8) at the lower ends of the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are provided with second threaded holes (13), and the second screw (10) is in threaded connection with the second threaded holes (13).

3. A device for collecting nitrogen oxides and silicon dioxide according to claim 1, characterized in that: The two sides of the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are provided with side plates (7), the side plates (7) on the two sides of the first arc-shaped mesh (6) and the second arc-shaped mesh (14) are provided with first threaded holes (12), and the first screw (9) is in threaded connection with the first threaded holes (12).

4. The device of claim 1, wherein: The upper cylinder port of the upper collecting mesh cylinder (4) is located in the reaction cavity connecting port (2), and the inner diameter of the reaction cavity connecting port (2) is matched with the sum of the outer diameters of the two end plates (8) on the upper collecting mesh cylinder (4).

5. The device of claim 1, wherein: The upper collecting mesh cylinder (4) is provided with a handle (11) at the upper portion, and the two ends of the handle (11) are fixedly connected with the side plates (7) on the two sides of the first arc-shaped mesh (6) in the upper collecting mesh cylinder (4).