Waste gas treatment combustion equipment

By designing the primary and secondary combustion chambers in the exhaust gas treatment equipment and using heat recovery technology, the problem of low combustion efficiency of existing equipment is solved, and more efficient exhaust gas treatment is achieved.

CN222543853UActive Publication Date: 2025-02-28NANJING NANBEIHONG TECH CO LTD
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Patent Information

Application Number
CN202420521655.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2025-02-28
Estimated Expiration
2034-03-18

AI Technical Summary

Technical Problem

During the combustion process, the existing exhaust gas treatment equipment has low combustion efficiency of exhaust gas and air, which extends the heating time.

Method used

A combustion equipment for waste gas treatment is designed, using a primary combustion chamber and a secondary combustion chamber for secondary combustion, and the heat in the exhaust gas is dispersed into the heat exchange box through a heat exchange tube to preheat the external air, thereby improving combustion efficiency.

Benefits of technology

Through secondary combustion and heat recovery technology, the combustion adequacy and efficiency of exhaust gas are significantly improved and the heating time is shortened.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses waste gas treatment combustion equipment, and particularly relates to the technical field of waste gas treatment, the waste gas treatment combustion equipment comprises a combustion box, a partition plate is fixedly arranged in the combustion box, a first-stage combustion cavity is formed between one side of the partition plate and the combustion box, and a second-stage combustion cavity is formed between the other side of the partition plate and the combustion box; a heat exchange assembly is fixedly arranged at the top of the combustion box and comprises a heat exchange box, and the heat exchange box is fixed to the top of the combustion box. External air is conveyed into the first-stage combustion cavity and the second-stage combustion cavity through the air blower, waste gas and the air are combusted in the first-stage combustion cavity, then the waste gas is conveyed into the second-stage combustion cavity for secondary combustion, and therefore the combustion sufficiency of the waste gas can be improved, and when the waste gas is exhausted through the heat exchange pipe, the waste gas can be recycled. And heat in the waste gas is dissipated into the heat exchange box through the heat exchange pipe to preheat air in the heat exchange box, so that the combustion efficiency of the external air and the waste gas can be improved.
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Description

Technical Field

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

[0002] Waste gas treatment is also called waste gas purification. Waste gas treatment refers to the pre-treatment of waste gas generated in industrial sites and factory workshops before external discharge to meet the national standards for waste gas external discharge. Generally, waste gas treatment includes organic waste gas treatment, dust waste gas treatment, acid and alkali waste gas treatment, odor waste gas treatment and air sterilization and purification. The composition of different chemical waste gases varies greatly. There are more flammable waste gases in chemical waste gases, so when treating chemical waste gases, combustion methods will be used to treat chemical waste gases.

[0003] For example, the prior art announcement number is CN210613288U, which is a combustion exhaust gas treatment equipment. The utility model includes a basic base, and a filter tower and an exhaust gas treatment box are arranged on the upper end of the basic base. The inner cavity of the filter tower is divided into an upper filter cavity and a lower dust collecting cavity by a first partition. A filter assembly is arranged in the upper filter cavity to realize primary filtration, secondary filtration, tertiary filtration, water sprinkling treatment and adsorption filtration of the combustion exhaust gas, thereby realizing efficient and sufficient treatment of the combustion exhaust gas and improving the combustion exhaust gas treatment effect.

[0004] However, the above-mentioned prior art still has the following problems when in use: when burning the exhaust gas, combustion-supporting air needs to be injected into the combustion device, and since the temperature of the combustion-supporting air is relatively low, when mixed with the exhaust gas, the combustion-supporting air and the exhaust gas need to consume a lot of time to burn, thereby prolonging the heating time and reducing the efficiency of the exhaust gas combustion. Based on this, the utility model provides an exhaust gas treatment combustion equipment with high combustion efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a waste gas treatment combustion equipment, which performs secondary combustion on the waste gas through a primary combustion chamber and a secondary combustion chamber, so as to improve the combustion completeness of the waste gas, and when the waste gas is discharged through a heat exchange tube, the heat in the waste gas is dissipated to the inside of the heat exchange box through the heat exchange tube, and the air in the heat exchange box is preheated, thereby improving the combustion efficiency of the outside air and the waste gas, so as to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned objectives, the utility model provides the following technical solutions: an exhaust gas treatment combustion device, comprising a combustion box, a partition is fixedly provided inside the combustion box, a primary combustion chamber is formed between one side of the partition and the combustion box, and a secondary combustion chamber is formed between the other side of the partition and the combustion box, a heat exchange component is fixedly provided on the top of the combustion box, and the heat exchange component comprises a heat exchange box, the heat exchange box is fixed on the top of the combustion box, a heat exchange pipe is fixedly provided inside the heat exchange box, the top end of the heat exchange pipe passes through the top of the heat exchange box, the bottom end of the heat exchange pipe passes through the combustion box and is connected to the inside of the secondary combustion chamber, a three-way pipe is fixedly passed through the rear end of the combustion box, and the three-way pipe is respectively connected to the inside of the heat exchange box, the inside of the primary combustion chamber and the inside of the secondary combustion chamber, an air supply pipe is fixedly passed through the rear end of the combustion box, the air supply pipe is connected to the inside of the primary combustion chamber, and the air supply pipe is arranged below the three-way pipe for conveying exhaust gas.

[0007] Preferably, a blower is fixedly provided on one side of the top of the combustion box, one end of the air outlet pipe of the blower passes through the heat exchange box and is connected to the interior of the heat exchange box, so as to transport oxygen for exhaust gas combustion, and a ring plate is fixedly provided inside the air inlet pipe of the blower, and a filter net is fixedly provided inside the ring plate, so as to filter dust and debris in the outside air.

[0008] Preferably, a connecting pipe is fixedly passed through the interior of the partition, and the connecting pipe is connected to the interior of the primary combustion chamber and the interior of the secondary combustion chamber. A first solenoid valve is fixedly provided on the connecting pipe for controlling the opening and closing of the connecting pipe.

[0009] Preferably, linear motors are fixedly embedded at the bottom of the outer walls on both sides of the partition, scrapers are fixedly provided on the two linear motors, and igniters are fixedly provided on the tops of the scrapers.

[0010] Preferably, the two scrapers are in contact with the inner wall of the primary combustion chamber and the inner wall of the secondary combustion chamber respectively, and two spoilers are fixedly provided on the top of the two scrapers. The two spoilers on the top of one scraper are respectively arranged on both sides of the igniter to improve the mixing effect of exhaust gas and oxygen.

[0011] Preferably, two second solenoid valves are fixedly provided on the three-way pipe for controlling the opening and closing of the three-way pipe, and a controller for controlling the igniter, blower, linear motor, first solenoid valve and second solenoid valve is fixedly provided at the front end of the heat exchange box to facilitate the staff to operate the device.

[0012] Preferably, the front ends of the primary combustion chamber and the secondary combustion chamber are both provided with openings, and door panels are hinged in the two openings for sealing the openings. Support legs are fixedly provided at the four corners of the bottom of the combustion box for improving the stability of the combustion box.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. The outside air is transported to the first combustion chamber and the second combustion chamber respectively through the blower. The exhaust gas and air are now burned in the first combustion chamber, and then the exhaust gas is transported to the second combustion chamber for secondary combustion. This can improve the combustion completeness of the exhaust gas. When the exhaust gas is discharged through the heat exchange pipe, the heat in the exhaust gas is dissipated to the inside of the heat exchange box through the heat exchange pipe, and the air in the heat exchange box is preheated, thereby improving the combustion efficiency of the outside air and the exhaust gas.

[0015] 2. The scraper is driven by a linear motor to move back and forth, and the spoiler on the scraper is used to disturb the exhaust gas and air in the primary combustion chamber and the secondary combustion chamber, so as to speed up the mixing effect of the exhaust gas and air, and then improve the combustion efficiency of the exhaust gas. When the device is not in use, the staff can open the door panel to clean the inner wall of the primary combustion chamber and the secondary combustion chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a bottom view of the overall structure of the utility model;

[0019] Figure 3 This is a diagram of the interior of the combustion box when the door panel of the utility model is opened;

[0020] Figure 4 This is a diagram of the interior of the combustion box when the door panel of the utility model is opened;

[0021] Figure 5 It is a schematic diagram of a partition of the utility model.

[0022] Description of reference numerals:

[0023] 1. Combustion box; 2. Partition; 3. Primary combustion chamber; 4. Secondary combustion chamber; 5. Heat exchange component; 6. Gas pipe; 7. Blower; 8. Ring plate; 9. Filter; 10. Connecting pipe; 11. First solenoid valve; 12. Linear motor; 13. Scraper; 14. Ignitor; 15. Spoiler; 16. Second solenoid valve; 17. Controller; 18. Door panel;

[0024] 501, heat exchange box; 502, heat exchange tube; 503, three-way pipe one. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-5 An exhaust gas treatment combustion device shown includes a combustion box 1, a baffle 2 is fixedly provided inside the combustion box 1, a primary combustion chamber 3 is formed between one side of the baffle 2 and the combustion box 1, a secondary combustion chamber 4 is formed between the other side of the baffle 2 and the combustion box 1, a heat exchange component 5 is fixedly provided on the top of the combustion box 1, and the heat exchange component 5 includes a heat exchange box 501, the heat exchange box 501 is fixedly provided with a heat exchange tube 502 inside the heat exchange box 501, the top end of the heat exchange tube 502 passes through the top of the heat exchange box 501, and the bottom end of the heat exchange tube 502 passes through the combustion box 1 and is connected to the inside of the secondary combustion chamber 4;

[0027] A three-way pipe 503 is fixedly passed through the rear end of the combustion box 1, and the three-way pipe 503 is respectively connected to the inside of the heat exchange box 501, the inside of the first combustion chamber 3 and the inside of the second combustion chamber 4. A gas pipe 6 is fixedly passed through the rear end of the combustion box 1, and the gas pipe 6 is connected to the inside of the first combustion chamber 3. The gas pipe 6 is arranged below the three-way pipe 503 for conveying exhaust gas.

[0028] Next, a blower 7 is fixedly provided on one side of the top of the combustion box 1. One end of the air outlet pipe of the blower 7 passes through the heat exchange box 501 and is connected to the inside of the heat exchange box 501, and is used to transport oxygen for exhaust gas combustion. A ring plate 8 is fixedly provided inside the air inlet pipe of the blower 7. A filter screen 9 is fixedly provided inside the ring plate 8, and is used to filter dust and debris in the outside air.

[0029] A connecting pipe 10 is fixedly penetrated inside the partition 2, and the connecting pipe 10 is connected with the interior of the primary combustion chamber 3 and the interior of the secondary combustion chamber 4. A first solenoid valve 11 is fixedly provided on the connecting pipe 10 for controlling the opening and closing of the connecting pipe 10. Two second solenoid valves 16 are fixedly provided on the three-way pipe 503 for controlling the opening and closing of the three-way pipe 503. A controller 17 for controlling the igniter 14, the blower 7, the linear motor 12, the first solenoid valve 11 and the second solenoid valve 16 is fixedly provided at the front end of the heat exchange box 501 to facilitate the staff to operate the device.

[0030] When in use, the staff first connects the gas supply pipe 6 to the exhaust gas pipe, and the exhaust gas is transported to the primary combustion chamber 3 through the gas supply pipe 6. At the same time, the blower 7 is used to suck the outside air, and the outside air is transported to the first combustion chamber 3 and the second combustion chamber 4 respectively through the heat exchange box 501 and the three-way pipe 503. Then, the controller 17 is used to control the igniter 14 in the first combustion chamber 3 to ignite the air and exhaust gas in the first combustion chamber 3. After the exhaust gas burns for a period of time, the first solenoid valve 11 on the connecting pipe 10 is opened to allow the exhaust gas to flow into the second combustion chamber 4 for secondary combustion, thereby improving the combustion completeness of the exhaust gas. Finally, when the exhaust gas is discharged through the heat exchange pipe 502, the heat in the exhaust gas is dissipated to the inside of the heat exchange box 501 through the heat exchange pipe 502, heating the outside air in the heat exchange box 501, thereby preheating the outside air, thereby improving the combustion efficiency of the outside air and the exhaust gas.

[0031] Refer to the instruction manual Figure 1-5 The two scrapers 13 are in contact with the inner wall of the primary combustion chamber 3 and the inner wall of the secondary combustion chamber 4 respectively. Two spoilers 15 are fixedly arranged on the top of the two scrapers 13. The two spoilers 15 on the top of one scraper 13 are respectively arranged on both sides of the igniter 14 to improve the mixing effect of the exhaust gas and oxygen.

[0032] In addition, the front ends of the primary combustion chamber 3 and the secondary combustion chamber 4 are both provided with openings, and door panels 18 are hinged in the two openings for sealing the openings. Support legs are fixedly provided at the four corners of the bottom of the combustion box 1 for improving the stability of the combustion box 1.

[0033] The scraper 13 is driven to move forward and backward by the linear motor 12, and the spoiler 15 on the scraper 13 is used to disturb the exhaust gas and air in the primary combustion chamber 3 and the secondary combustion chamber 4, so as to accelerate the mixing effect of the exhaust gas and air, and then improve the combustion efficiency of the exhaust gas. After the device is not in use, the staff can open the door panel 18 to clean the inner walls of the primary combustion chamber 3 and the secondary combustion chamber 4.

[0034] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A waste gas treatment combustion device, comprising a combustion box (1), characterized in that: A partition plate (2) is fixedly provided inside the combustion box (1), a primary combustion chamber (3) is formed between one side of the partition plate (2) and the combustion box (1), and a secondary combustion chamber (4) is formed between the other side of the partition plate (2) and the combustion box (1); A heat exchange assembly (5) is fixedly provided on the top of the combustion box (1), and the heat exchange assembly (5) comprises a heat exchange box (501), the heat exchange box (501) is fixed on the top of the combustion box (1), a heat exchange tube (502) is fixedly provided inside the heat exchange box (501), the top end of the heat exchange tube (502) passes through the top of the heat exchange box (501), and the bottom end of the heat exchange tube (502) passes through the combustion box (1) and is connected to the inside of the secondary combustion chamber (4); A three-way pipe (503) is fixedly passed through the rear end of the combustion box (1), and the three-way pipe (503) is respectively connected to the interior of the heat exchange box (501), the interior of the first combustion chamber (3) and the interior of the second combustion chamber (4). A gas delivery pipe (6) is fixedly passed through the rear end of the combustion box (1), and the gas delivery pipe (6) is connected to the interior of the first combustion chamber (3). The gas delivery pipe (6) is arranged below the three-way pipe (503) and is used to transport exhaust gas.

2. The exhaust gas treatment combustion equipment according to claim 1, characterized in that: A blower (7) is fixedly provided on one side of the top of the combustion box (1); one end of an air outlet pipe of the blower (7) passes through the heat exchange box (501) and is connected to the interior of the heat exchange box (501) for conveying oxygen for exhaust gas combustion; a ring plate (8) is fixedly provided inside the air inlet pipe of the blower (7); a filter screen (9) is fixedly provided inside the ring plate (8) for filtering dust and debris in the outside air.

3. The exhaust gas treatment combustion equipment according to claim 2, characterized in that: A connecting pipe (10) is fixedly provided inside the partition (2) and penetrates therethrough. The connecting pipe (10) is connected to the inside of the primary combustion chamber (3) and the inside of the secondary combustion chamber (4). A first solenoid valve (11) is fixedly provided on the connecting pipe (10) and is used to control the opening and closing of the connecting pipe (10).

4. The exhaust gas treatment combustion equipment according to claim 3, characterized in that: A linear motor (12) is fixedly embedded at the bottom of the outer walls on both sides of the partition (2), a scraper (13) is fixedly provided on the two linear motors (12), and an igniter (14) is fixedly provided on the top of the scraper (13).

5. The exhaust gas treatment combustion equipment according to claim 4, characterized in that: The two scrapers (13) are in contact with the inner wall of the primary combustion chamber (3) and the inner wall of the secondary combustion chamber (4) respectively. Two spoilers (15) are fixedly arranged on the top of the two scrapers (13). The two spoilers (15) on the top of one scraper (13) are respectively arranged on both sides of the igniter (14) to improve the mixing effect of the exhaust gas and oxygen.

6. The exhaust gas treatment combustion equipment according to claim 5, characterized in that: Two second solenoid valves (16) are fixedly provided on the three-way pipe (503) for controlling the opening and closing of the three-way pipe (503). A controller (17) for controlling the igniter (14), the blower (7), the linear motor (12), the first solenoid valve (11) and the second solenoid valve (16) is fixedly provided at the front end of the heat exchange box (501).

7. The exhaust gas treatment combustion equipment according to claim 1, characterized in that: The front ends of the primary combustion chamber (3) and the secondary combustion chamber (4) are both provided with openings, and door panels (18) are hingedly connected in the two openings for sealing the openings. Support legs are fixedly provided at the four corners of the bottom of the combustion box (1).

Citation Information

Patent Citations

  • Combustion waste gas treatment equipment

    CN210613288U