Waste gas treatment equipment for industrial natural gas furnace

By designing an industrial gas furnace waste gas treatment equipment, filtration is performed using aqueous solution and carbon dioxide purification solution, combined with stirring and negative pressure components, the effective treatment of particles and carbon dioxide in the waste gas is achieved, and the problem of waste gas treatment of industrial gas furnace is solved. , reducing environmental pollution.

CN222468591UActive Publication Date: 2025-02-14BEIJING SUIFENG CONSTRUCTION CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202323461808.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2025-02-14
Estimated Expiration
2033-12-19

AI Technical Summary

Technical Problem

The waste gas and particles generated by industrial gas furnaces when processing workpieces are not effectively treated, resulting in environmental pollution.

Method used

An industrial natural gas furnace waste gas treatment equipment is designed, including a first tank body and a second tank body. An aqueous solution is injected into the first tank for preliminary filtration, and a carbon dioxide purification solution is injected into the second tank for further processing, combining agitating components and negative The pressure assembly realizes the final filtration of the exhaust gas through the adsorption box and the filter layer.

Benefits of technology

Effectively filter particles and carbon dioxide in the waste gas, reduce environmental pollution, and ensure the treatment effect by regularly changing the filter layer.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222468591U_ABST
    Figure CN222468591U_ABST
Patent Text Reader

Abstract

The utility model discloses industrial natural gas furnace waste gas treatment equipment which comprises a first tank body and a second tank body, the first tank body and the second tank body are connected through a second gas inlet pipe, a stirring assembly is arranged in the second tank body, a negative pressure assembly is arranged on the side wall of the second tank body, and the first tank body and the second tank body are connected through a second gas inlet pipe. The industrial natural gas furnace waste gas treatment equipment comprises a first tank body, a second tank body is arranged in the first tank body, an adsorption box is installed on the side wall of the second tank body, a replacement assembly is arranged in the adsorption box, an aqueous solution is injected into the first tank body, and a carbon dioxide purification solution is injected into the second tank body. Then solid particles of the waste gas are filtered for the first time through an aqueous solution, then the waste gas enters a carbon dioxide purification solution in a second tank body through a gas suction port and a second gas inlet pipe, carbon dioxide in the waste gas is treated through the carbon dioxide purification solution, and then the gas is brought into an adsorption box through a third gas inlet pipe.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas furnace waste gas treatment equipment, in particular to industrial natural gas furnace waste gas treatment equipment. Background Art

[0002] Industrial gas furnace is an energy-saving cycle operation electric furnace, mainly used for annealing, tempering, aging and other heat treatments of high chromium and high manganese steel castings, as well as quenching, normalizing, tempering, annealing, aging and heat treatment of gray cast iron, ductile iron, rolls, steel balls, crusher hammers, wear-resistant liners and various mechanical parts.

[0003] Although the existing industrial gas furnace is more environmentally friendly than the traditional coal-fired furnace during combustion, it still produces a certain amount of waste gas when processing the workpiece. At the same time, during the processing of the workpiece, the workpiece itself will also produce a certain amount of waste gas and particles discharged into the atmosphere. Therefore, a waste gas treatment device is needed. Utility Model Content

[0004] The purpose of the utility model is to provide an industrial natural gas furnace waste gas treatment device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an industrial natural gas furnace waste gas treatment equipment, comprising: a first tank body and a second tank body, a first air inlet pipe runs through the first tank body, and the bottom of the first air inlet pipe is vertically inserted into the first tank body, the first tank body and the second tank body are connected through the second air inlet pipe, a stirring assembly is arranged in the second tank body, a negative pressure assembly is arranged on the side wall of the second tank body, and an adsorption box is installed on the side wall of the second tank body, a replacement assembly is arranged in the adsorption box, an aqueous solution is injected into the first tank body, and a carbon dioxide purification solution is injected into the second tank body.

[0006] By adopting the above technical solution, it is achieved to filter the particles in the exhaust gas and then filter the carbon dioxide.

[0007] As a further solution of the utility model: an air inlet is installed at one end of the second air inlet pipe, and the air inlet is located in the first tank body, and the other end of the second air inlet pipe is inserted into the bottom of the second tank body.

[0008] By adopting the above technical solution, the particles in the exhaust gas are filtered and then introduced into the second tank.

[0009] As a further solution of the utility model: the stirring assembly includes a motor, a rotating rod and stirring blades, the motor is vertically installed on the top of the second tank body, and the output end of the motor passes through the rotating rod vertically installed on the top of the second tank body, and a plurality of stirring blades are horizontally installed on the outside of the rotating rod.

[0010] By adopting the above technical solution, the chemical reaction between carbon dioxide and carbon dioxide purification solution is accelerated.

[0011] As a further solution of the utility model: the negative pressure component includes a third air inlet pipe and a negative pressure machine, the negative pressure machine is installed on the side wall of the second tank body, and the suction end of the negative pressure machine is connected to the second tank body through the third air inlet pipe, and the output end of the negative pressure machine is connected to the adsorption box.

[0012] By adopting the above technical solution, the first tank body and the second tank body are always in a negative pressure state, which facilitates the pulling of the exhaust gas from the first air inlet pipe.

[0013] As a further solution of the utility model: both side walls of the adsorption box are provided with installation grooves, and a filter layer is inserted between the two installation grooves.

[0014] By adopting the above technical solution, the filter layer can be replaced.

[0015] As a further solution of the utility model: a rectangular hole is opened on the outside of the adsorption box, and a mounting plate is arranged on the outside of the adsorption box, the mounting plate is connected to 11 through butterfly bolts, and an observation window is installed on the outside of the mounting plate.

[0016] By adopting the above technical solution, the installation groove is closed and the filter layer is protected.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the industrial natural gas furnace waste gas treatment equipment,

[0018] A first tank body, an aqueous solution, a second tank body and a carbon dioxide purification solution are provided, wherein the waste gas is injected into the first tank body, and then the waste gas is injected into the aqueous solution in the first tank body, and then the solid particles of the waste gas are filtered for the first time by the aqueous solution, and then the waste gas enters the carbon dioxide purification solution in the second tank body through the air intake port and the second air inlet pipe, and the carbon dioxide in the waste gas is processed by the carbon dioxide purification solution, and then the gas is brought into the adsorption box through the third air inlet pipe, and then the waste gas is finally filtered through the filter layer;

[0019] In addition, the industrial natural gas furnace waste gas treatment equipment is also provided with a mounting groove and a filter layer. By inserting the filter layer between two filter layers, regular replacement of the filter layer is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the adsorption box of the utility model;

[0022] Figure 3 This is a schematic diagram of the main structure of the adsorption box of the utility model.

[0023] In the figure: 1. first tank body; 2. second tank body; 3. first air inlet pipe; 4. air inlet; 5. second air inlet pipe; 6. motor; 7. rotating rod; 8. stirring blade; 9. third air inlet pipe; 10. negative pressure machine; 11. adsorption box; 12. mounting groove; 13. filter layer; 14. mounting plate; 15. butterfly bolt; 16. observation window; 17. aqueous solution; 18. carbon dioxide purification solution. Implementation

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-3 The utility model provides a technical solution: an industrial natural gas furnace waste gas treatment device, comprising a first tank body 1 and a second tank body 2, a first air inlet pipe 3 runs through the first tank body 1, and the bottom of the first air inlet pipe 3 is vertically inserted into the first tank body 1, the first tank body 1 and the second tank body 2 are connected through a second air inlet pipe 5, a stirring component is arranged in the second tank body 2, a negative pressure component is arranged on the side wall of the second tank body 2, and an adsorption box 11 is installed on the side wall of the second tank body 2, a replacement component is arranged in the adsorption box 11, an aqueous solution 17 is injected into the first tank body 1, and a carbon dioxide purification solution 18 is injected into the second tank body 2.

[0026] Specifically, the exhaust gas is injected into the first tank body 1, and then injected into the aqueous solution 17 in the first tank body 1, and then the solid particles in the exhaust gas are filtered for the first time by the aqueous solution 17, and then the exhaust gas enters the carbon dioxide purification solution 18 in the second tank body 2 through the air intake port 4 and the second air inlet pipe 5, and the carbon dioxide in the exhaust gas is treated by the carbon dioxide purification solution 18, and then the gas is brought into the adsorption box 11 through the third air inlet pipe 9, and then the exhaust gas is finally filtered through the filter layer 13, and the gas is finally discharged through the adsorption box 11.

[0027] Furthermore, an air inlet 4 is installed at one end of the second air inlet pipe 5, and the air inlet 4 is located in the first tank body 1, and the other end of the second air inlet pipe 5 is inserted into the bottom of the second tank body 2;

[0028] Specifically, the first tank body 1 and the second tank body 2 are always closed, ensuring that the first tank body 1 and the second tank body 2 are always under negative pressure, and ensuring that the exhaust gas in the first air inlet pipe 3 always flows and circulates.

[0029] Furthermore, the stirring assembly includes a motor 6, a rotating rod 7 and a stirring blade 8. The motor 6 is vertically installed on the top of the second tank body 2, and the output end of the motor 6 passes through the rotating rod 7 vertically installed on the top of the second tank body 2, and a plurality of stirring blades 8 are horizontally installed on the outer side of the rotating rod 7;

[0030] Specifically, when the exhaust gas enters the carbon dioxide purification solution 18 in the second tank body 2, the motor 6 is started to drive the rotating rod 7 to align. When the rotating rod 7 is aligned, it drives the stirring blade 8 to move. The stirring blade 8 realizes stirring in the second tank body 2, thereby accelerating the rapid chemical reaction between the carbon dioxide in the exhaust gas and the carbon dioxide purification solution 18.

[0031] Furthermore, the negative pressure assembly includes a third air inlet pipe 9 and a negative pressure machine 10, the negative pressure machine 10 is installed on the side wall of the second tank body 2, and the suction end of the negative pressure machine 10 is connected to the second tank body 2 through the third air inlet pipe 9, and the output end of the negative pressure machine 10 is connected to the adsorption box 11;

[0032] Specifically, by starting the negative pressure machine 10, it is ensured that there is always a negative pressure between the first tank body 1 and the second tank body 2.

[0033] Furthermore, both side walls of the adsorption box 11 are provided with mounting grooves 12, and a filter layer 13 is inserted between the two mounting grooves 12;

[0034] Specifically, by inserting the filter layer 13 between the two filter layers 13, the filter layer 13 can be replaced regularly.

[0035] Furthermore, a rectangular hole is opened on the outside of the adsorption box 11, and a mounting plate 14 is arranged on the outside of the adsorption box 11. The mounting plate 14 is connected to the adsorption box 11 through a butterfly bolt 15, and an observation window 16 is installed on the outside of the mounting plate 14.

[0036] Specifically, the mounting plate 14 is removed from the adsorption box 11 by rotating the butterfly bolt 15, and then the filter layer 13 is taken out from the mounting groove 12 for replacement, and then the filter layer 13 is fixed to the adsorption box 11 by the butterfly bolt 15, and the use of the filter layer 13 can be observed through the observation window 16.

[0037] Working principle: When using the industrial natural gas furnace waste gas treatment equipment, the waste gas is injected into the first tank body 1, and then the waste gas is injected into the aqueous solution 17 in the first tank body 1, and then the solid particles in the waste gas are filtered for the first time by the aqueous solution 17, and then the waste gas enters the carbon dioxide purification solution 18 in the second tank body 2 through the air intake port 4 and the second air inlet pipe 5, and the carbon dioxide in the waste gas is treated by the carbon dioxide purification solution 18, and then the gas is brought into the adsorption box 11 through the third air inlet pipe 9, and then the waste gas is finally filtered through the filter layer 13, and the gas is finally discharged through the adsorption box 11. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0038] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An industrial natural gas furnace waste gas treatment device, comprising a first tank body (1) and a second tank body (2), characterized in that: A first air inlet pipe (3) runs through the first tank body (1), and the bottom of the first air inlet pipe (3) is vertically inserted into the first tank body (1); the first tank body (1) and the second tank body (2) are connected via a second air inlet pipe (5); a stirring component is provided in the second tank body (2); a negative pressure component is provided on the side wall of the second tank body (2); an adsorption box (11) is installed on the side wall of the second tank body (2); a replacement component is provided in the adsorption box (11); an aqueous solution (17) is injected into the first tank body (1), and a carbon dioxide purification solution (18) is injected into the second tank body (2).

2. The industrial natural gas furnace waste gas treatment equipment according to claim 1, characterized in that: An air inlet (4) is installed at one end of the second air inlet pipe (5), and the air inlet (4) is located in the first tank body (1), and the other end of the second air inlet pipe (5) is inserted into the bottom of the second tank body (2).

3. The industrial natural gas furnace waste gas treatment equipment according to claim 1, characterized in that: The stirring assembly comprises a motor (6), a rotating rod (7) and stirring blades (8); the motor (6) is vertically mounted on the top of the second tank body (2); the output end of the motor (6) passes through the rotating rod (7) vertically mounted on the top of the second tank body (2); and a plurality of stirring blades (8) are horizontally mounted on the outer side of the rotating rod (7).

4. The industrial natural gas furnace waste gas treatment equipment according to claim 1, characterized in that: The negative pressure assembly comprises a third air inlet pipe (9) and a negative pressure machine (10); the negative pressure machine (10) is installed on the side wall of the second tank body (2); the suction end of the negative pressure machine (10) is connected to the second tank body (2) through the third air inlet pipe (9); and the output end of the negative pressure machine (10) is connected to the adsorption box (11).

5. The industrial natural gas furnace waste gas treatment equipment according to claim 1, characterized in that: Both side walls of the adsorption box (11) are provided with mounting grooves (12), and a filter layer (13) is inserted between the two mounting grooves (12).

6. The industrial natural gas furnace waste gas treatment equipment according to claim 1, characterized in that: A rectangular hole is provided on the outside of the adsorption box (11), and a mounting plate (14) is provided on the outside of the adsorption box (11); the mounting plate (14) is connected to 11 via a butterfly bolt (15), and an observation window (16) is installed on the outside of the mounting plate (14).