Waste gas purification device of three-tower type combustion furnace
By setting up a mixing chamber and a combustion chamber in the exhaust gas purification device of the three-tower combustion furnace for pretreatment, and using a water tank and filter screen for further treatment, the problem of incomplete combustion in the exhaust gas is solved, achieving a more efficient purification effect and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-03
AI Technical Summary
In existing three-tower combustion furnace exhaust gas purification devices, the exhaust gas often contains components that are not fully combusted, which affects the purification effect.
The pretreatment unit consists of a mixing chamber and a combustion chamber. Air is introduced through a vent pipe to mix the exhaust gas with air, and the exhaust gas is fully combusted using an ignition module. The treatment unit consists of a filter shell and a water tank. Heat is exchanged between the exhaust gas and water in the tank through heat exchange tubes, and the exhaust gas is filtered using a filter screen.
It improves the purification effect of exhaust gas, reduces the content of toxic substances, enhances safety, effectively removes particulate matter, and improves the overall purification effect.
Smart Images

Figure CN223965416U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of purification devices, and in particular to a waste gas purification device for a three-tower combustion furnace. Background Technology
[0002] Three-tower combustion furnace exhaust gas purification devices play a crucial role in industrial waste gas treatment, encompassing multiple aspects such as multi-stage combustion, heat recovery, catalytic oxidation, adsorption absorption, dust removal, and demisting. With increasingly stringent environmental regulations and continuous technological innovation, the design and performance of three-tower combustion furnace exhaust gas purification devices are constantly improving to meet higher environmental requirements.
[0003] Although existing technologies purify the exhaust gas in the combustion furnace through purification devices, the exhaust gas often still contains components that are not fully combusted, which affects the purification effect. Therefore, those skilled in the art provide an exhaust gas purification device for a three-tower combustion furnace to solve the problems mentioned in the background art. Utility Model Content
[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a waste gas purification device for a three-tower combustion furnace. This device provides a pretreatment device that allows waste gas to be mixed with air for effective pretreatment. The treatment device also allows particulate matter in the waste gas to be washed with water, and finally, the waste gas is discharged after being filtered through a filter screen, thus effectively improving the overall purification effect.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a waste gas purification device for a three-tower combustion furnace, comprising a pretreatment device and a treatment device, wherein the treatment device is disposed on the other side of the pretreatment device, the pretreatment device comprising a mixing chamber, a vent pipe fixedly connected to the top of the mixing chamber, an installation pipe fixedly connected to one side of the mixing chamber, a first one-way valve fixedly connected to the upper position of the inner wall of the vent pipe, a first axial flow fan fixedly connected to the lower position of the inner wall of the vent pipe, a first connecting pipe fixedly connected to the other side of the mixing chamber, a second one-way valve fixedly connected to the middle of the inner wall of the first connecting pipe, a second axial flow fan fixedly connected to the other side of the inner wall of the first connecting pipe, a combustion chamber fixedly connected to the other end of the first connecting pipe, and an ignition module fixedly connected to the bottom of the inner wall of the combustion chamber;
[0006] Through the above technical solution, by setting up a pretreatment device, an air vent pipe is installed at the top of the mixing chamber. After the installation pipe is connected to the exhaust pipe of the combustion furnace, air can be introduced into the mixing chamber after the exhaust gas enters the mixing chamber, so that the exhaust gas can be mixed with the air, effectively pretreating the exhaust gas.
[0007] Furthermore, the processing device includes a filter shell, an exhaust pipe fixedly connected to the top of the filter shell, a drain pipe fixedly connected to the lower side of the other side of the exhaust pipe, a valve fixedly connected to the side wall of the drain pipe, a filter screen fixedly connected to the upper side of the inner wall of the filter shell, a water tank fixedly connected to the bottom of the inner wall of the filter shell, a heat exchange tube fixedly connected to the middle of the inner wall of the water tank, a second connecting pipe fixedly connected to the lower side of one side of the filter shell, a third one-way valve fixedly connected to the middle of the inner wall of the second connecting pipe, a third axial flow fan fixedly connected to the other side of the inner wall of the second connecting pipe, and the other end of the second connecting pipe fixedly connected to the combustion chamber.
[0008] Through the above technical solution, by setting up a treatment device, the treated exhaust gas enters the heat exchange tube through the second connecting pipe to exchange heat with the water in the water tank, and the particulate matter in the exhaust gas can be washed with water. Finally, it is discharged after being filtered by a filter screen, which effectively improves the overall purification effect.
[0009] Furthermore, the vent pipe is connected to the interior of the mixing chamber, and the first axial flow fan is located below the first one-way valve;
[0010] The above technical solution effectively introduces air into the mixing chamber.
[0011] Furthermore, one end of the second connecting pipe passes through one side of the filter shell and one side wall of the water tank and is fixedly connected to one end of the heat exchange pipe;
[0012] The above technical solution effectively enables the exhaust gas to exchange heat with the water in the water tank.
[0013] Furthermore, the drain pipe passes through the valve and filter housing in sequence and communicates with the inside of the water tank;
[0014] The above technical solution effectively discharges wastewater.
[0015] Furthermore, the filter screen is made of activated carbon.
[0016] The above technical solution effectively adsorbs toxic substances in the gas.
[0017] Furthermore, the heat exchange tube has a serpentine coil structure;
[0018] The above technical solution increases the contact area with the water in the tank.
[0019] Furthermore, the installation pipe is connected to the interior of the mixing chamber;
[0020] The above technical solution effectively installs the installation pipe.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, by setting a pretreatment device, an air vent pipe is set at the top of the mixing chamber. After the installation pipe is connected to the exhaust pipe of the combustion furnace, air can be introduced into the mixing chamber through the air vent pipe after the exhaust gas enters the mixing chamber, so that the exhaust gas can be mixed with the air, and the exhaust gas can be effectively pretreated.
[0023] 2. In this utility model, by setting up a combustion chamber, after the exhaust gas is mixed, it enters the combustion chamber and is ignited by the ignition module in the combustion chamber, so that it can be fully burned, reducing the content of toxic substances in the exhaust gas, improving the purification effect, and having higher safety.
[0024] 3. In this utility model, by setting up a treatment device, the treated exhaust gas enters the heat exchange tube through the second connecting pipe to exchange heat with the water in the water tank, and the particulate matter in the exhaust gas can be washed with water. Finally, it is discharged after being filtered by a filter screen, which effectively improves the overall purification effect. Attached Figure Description
[0025] Figure 1 This is a perspective view of a waste gas purification device for a three-tower combustion furnace proposed in this utility model.
[0026] Figure 2 This is a perspective view of a waste gas purification device for a three-tower combustion furnace proposed in this utility model.
[0027] Figure 3 This is a front view of a waste gas purification device for a three-tower combustion furnace proposed in this utility model;
[0028] Figure 4 This is a cross-sectional view of a waste gas purification device for a three-tower combustion furnace proposed in this utility model.
[0029] Legend:
[0030] 1. Pretreatment device; 101. Installation pipe; 102. Mixing chamber; 103. First connecting pipe; 104. Combustion chamber; 105. Vent pipe; 106. First one-way valve; 107. First axial flow fan; 108. Second one-way valve; 109. Second axial flow fan; 1010. Ignition module; 2. Treatment device; 201. Second connecting pipe; 202. Exhaust pipe; 203. Filter shell; 204. Drain pipe; 205. Valve; 206. Third one-way valve; 207. Third axial flow fan; 208. Water tank; 209. Filter screen; 2010. Heat exchange tube. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.
[0032] Reference Figure 1-4 This utility model provides an embodiment of a waste gas purification device for a three-tower combustion furnace, comprising a pretreatment device 1 and a treatment device 2. The treatment device 2 is disposed on the other side of the pretreatment device 1. The pretreatment device 1 includes a mixing chamber 102, with a vent pipe 105 fixedly connected to the top of the mixing chamber 102. An installation pipe 101 is fixedly connected to one side of the mixing chamber 102. A first one-way valve 106 is fixedly connected to the upper part of the inner wall of the vent pipe 105, and a first axial flow fan 107 is fixedly connected to the lower part of the inner wall of the vent pipe 105. A first connecting pipe 103 is fixedly connected to the other side of the mixing chamber 102. The inner side of the first connecting pipe 103... A second one-way valve 108 is fixedly connected to the middle of the wall. A second axial flow fan 109 is fixedly connected to the other side of the inner wall of the first connecting pipe 103. A combustion chamber 104 is fixedly connected to the other end of the first connecting pipe 103. An ignition module 1010 is fixedly connected to the bottom of the inner wall of the combustion chamber 104. By setting a pretreatment device 1, a vent pipe 105 is set at the top of the mixing chamber 102. After the installation pipe 101 is connected to the exhaust pipe of the combustion furnace, air can be introduced into the mixing chamber 102 through the vent pipe 105 after the exhaust gas enters the mixing chamber 102, so that the exhaust gas can be mixed with the air, effectively pretreatment of the exhaust gas.
[0033] The processing device 2 includes a filter housing 203. An exhaust pipe 202 is fixedly connected to the top of the filter housing 203. A drain pipe 204 is fixedly connected to the lower side of the exhaust pipe 202. A valve 205 is fixedly connected to the side wall of the drain pipe 204. A filter screen 209 is fixedly connected to the upper part of the inner wall of the filter housing 203. A water tank 208 is fixedly connected to the bottom of the inner wall of the filter housing 203. A heat exchange pipe 2010 is fixedly connected to the middle of the inner wall of the water tank 208. A second connecting pipe 201 is fixedly connected to the lower side of one side of the filter housing 203. A third one-way valve 206 is fixedly connected to the middle of the inner wall of the second connecting pipe 201, and a third axial flow fan 207 is fixedly connected to the other side of the inner wall of the second connecting pipe 201. The other end of the second connecting pipe 201 is fixedly connected to the combustion chamber 104. By setting up the treatment device 2, the treated exhaust gas enters the heat exchange tube 2010 through the second connecting pipe 201 to exchange heat with the water in the water tank 208. The particulate matter in the exhaust gas can be washed with water and finally discharged after being filtered by the filter screen 209, which effectively improves the overall purification effect.
[0034] Ventilation pipe 105 is connected to the interior of mixing chamber 102, and the first axial flow fan 107 is located below the first one-way valve 106. One end of the second connecting pipe 201 passes through one side of the filter shell 203 and one side wall of the water tank 208 and is fixedly connected to one end of the heat exchange pipe 2010. The drain pipe 204 passes through the valve 205 and the filter shell 203 in sequence and is connected to the interior of the water tank 208. The filter screen 209 is made of activated carbon. The heat exchange pipe 2010 has a serpentine coil structure. The installation pipe 101 is connected to the interior of mixing chamber 102. By setting up combustion chamber 104, after the exhaust gas is mixed, it enters combustion chamber 104. The ignition module 1010 in combustion chamber 104 ignites the exhaust gas, allowing it to burn completely, reducing the content of toxic substances in the exhaust gas, improving the purification effect, and providing higher safety.
[0035] Working principle: By setting up a pretreatment device 1, a vent pipe 105 is installed at the top of the mixing chamber 102. After the installation pipe 101 is connected to the exhaust pipe of the combustion furnace, air can be introduced into the mixing chamber 102 through the vent pipe 105 after the exhaust gas enters the mixing chamber 102, so that the exhaust gas can be mixed with air, effectively pre-treating the exhaust gas. By setting up a combustion chamber 104, after the exhaust gas is mixed, it enters the combustion chamber 104 and is ignited by the ignition module 1010 in the combustion chamber 104, so that it can be fully combusted, reducing the content of toxic substances in the exhaust gas, improving the purification effect, and having higher safety. By setting up a treatment device 2, the treated exhaust gas enters the heat exchange pipe 2010 through the second connecting pipe 201, where it exchanges heat with the water in the water tank 208, and the particulate matter in the exhaust gas can be washed with water. Finally, it is filtered by the filter screen 209 and discharged, effectively improving the overall purification effect.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A flue gas cleaning device for a three-tower combustion furnace, comprising a pre-treatment device (1) and a treatment device (2), which is arranged on the other side of the pre-treatment device (1), characterized in that: The preprocessing device (1) comprises a mixing bin (102), the top end of the mixing bin (102) is fixedly connected with a ventilation pipe (105), one side of the mixing bin (102) is fixedly connected with a mounting pipe (101), the inner side wall of the ventilation pipe (105) is fixedly connected with a first one-way valve (106) at the upper position, the inner side wall of the ventilation pipe (105) is fixedly connected with a first axial flow fan (107) at the lower position, the other side of the mixing bin (102) is fixedly connected with a first connecting pipe (103), the inner side wall of the first connecting pipe (103) is fixedly connected with a second one-way valve (108) at the middle part, the inner side wall of the first connecting pipe (103) is fixedly connected with a second axial flow fan (109) at the other side, and the other end of the first connecting pipe (103) is fixedly connected with a combustion bin (104), and the inner side wall of the combustion bin (104) is fixedly connected with an ignition module (1010) at the bottom end.
2. A flue gas cleaning device for a three-tower furnace according to claim 1, characterized in that: The processing device (2) comprises a filter shell (203), the top end of the filter shell (203) is fixedly connected with an exhaust pipe (202), the other side of the exhaust pipe (202) is fixedly connected with a drain pipe (204) at the lower position, the side wall of the drain pipe (204) is fixedly connected with a valve (205), the inner side wall of the filter shell (203) is fixedly connected with a filter screen (209) at the upper position, the inner side wall of the filter shell (203) is fixedly connected with a water tank (208) at the bottom end, the inner side wall of the water tank (208) is fixedly connected with a heat exchange pipe (2010) at the middle part, one side of the filter shell (203) is fixedly connected with a second connecting pipe (201) at the lower position, the inner side wall of the second connecting pipe (201) is fixedly connected with a third one-way valve (206) at the middle part, the inner side wall of the second connecting pipe (201) is fixedly connected with a third axial flow fan (207) at the other side, and the other end of the second connecting pipe (201) is fixedly connected with the combustion bin (104).
3. The apparatus according to claim 1, wherein: The ventilation pipe (105) is in communication with the inside of the mixing bin (102), and the first axial flow fan (107) is located below the first one-way valve (106).
4. The apparatus according to claim 2, wherein: One end of the second connecting pipe (201) penetrates through one side of the filter shell (203) and one side wall of the water tank (208) and is fixedly connected with one end of the heat exchange pipe (2010).
5. A three-tower combustion furnace exhaust gas purification device according to claim 2, characterized by: The drain pipe (204) penetrates through the valve (205) and the filter shell (203) in sequence and is in communication with the inside of the water tank (208).
6. A three-tower combustion furnace exhaust gas purification device according to claim 2, characterized by: The filter screen (209) is made of activated carbon material.
7. A three-tower combustion furnace exhaust gas purification apparatus according to claim 2, characterized by: The heat exchange pipe (2010) is a serpentine coil structure.
8. The apparatus according to claim 1, wherein: The mounting pipe (101) is in communication with the inside of the mixing bin (102).