A flue gas dust purification device
By designing flue gas dust purification equipment, using gas waste heat to heat water, and improving heating efficiency through heating rods, the problem of flue gas waste heat in the prior art has been solved, and efficient energy utilization and smoke purification have been achieved.
Patent Information
- Application Number
- CN202323449789.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-18
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2033-12-18
AI Technical Summary
The prior art is difficult to effectively recover and utilize the waste heat of flue gas, resulting in low energy utilization and insufficient heat recovery during the smoke purification process.
A flue gas dust purification equipment is designed to heat water using the residual gas temperature by setting up a water tank, a filter chamber, a heating pipe and a pumping fan, and further improve the heating efficiency through a heating rod.
While purifying smoke and dust, the heat is recycled and utilized, the energy utilization rate is improved, the water temperature heating time is reduced, and the heating efficiency is improved.
Smart Images

Figure CN222709304U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dust purification, in particular to a flue gas dust purification device. Background Art
[0002] At present, due to the shortage of energy, with the further development of energy conservation work, various new energy-saving furnaces are becoming more and more perfect, and the use of high-quality insulation materials such as new refractory fibers has significantly reduced the heat loss of furnaces. The use of advanced combustion devices has strengthened combustion, reduced the amount of incomplete combustion, and the air-fuel ratio has also become reasonable. However, the technology of reducing exhaust heat loss and recovering flue gas waste heat is still not progressing fast. In order to further improve the thermal efficiency of the kiln and achieve the purpose of energy saving and consumption reduction, recovering flue gas waste heat is also an important way to save energy.
[0003] In industrial production, raw materials need to be heated. When the boiler heats the raw materials, a large amount of smoke is generated. If this is discharged into the atmosphere, it will cause pollution and waste a lot of heat. In the situation of increasingly tight energy supply, the effective recovery and utilization of waste heat will produce huge social and economic benefits. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a flue gas and dust purification equipment, which uses a water tank, a filter chamber, a heating pipe, and an exhaust fan. The residual temperature of the gas in the heating pipe is used to heat the water in the body, and the heat is recycled while purifying the flue dust, thereby improving the energy utilization rate; through the setting of the heating rod 2, the water heated in the heating pipe by the residual temperature of the flue dust is directly heated to the required water temperature, which reduces the time for heating the water temperature and improves the heating efficiency.
[0005] One of the objectives of the utility model is achieved by the following technical solution: a flue gas and dust purification device, comprising: a box body, two partitions are provided inside the box body, the upper surface of the upper partition is fixedly connected to a water tank, and the bottom end of the lower partition is provided with a plurality of heating rods 2, the top end of the water tank passes through the outer wall of the box body and is connected with an air inlet pipe and a water inlet pipe, the top end of the air inlet pipe is installed with an exhaust pump 1, the bottom inner cavity of the water tank is installed with a plurality of heating rods 1, the side wall of the water tank passes through the side wall of the box body and is connected with a drain pipe 1, a filter chamber is provided on the other side of the water tank, an exhaust fan is installed between the water tank and the filter chamber, two activated carbon plates are provided inside the filter chamber, the bottom end of the filter chamber is passed through and connected with a heating pipe, the air inlet of the heating pipe is installed with an exhaust pump 2, and the air outlet of the heating pipe passes through the outer wall of the box body and is installed with an exhaust valve. Through the provision of a water tank, a filter chamber, a heating pipe and an exhaust fan, the residual heat of the gas in the heating pipe is used to heat the water in the body, and the heat is recycled while purifying the smoke, thereby improving the energy utilization rate; through the provision of a second heating rod, the water heated in the heating pipe by the residual heat of the smoke is directly heated to the required water temperature, thereby reducing the time for heating the water temperature and improving the heating efficiency.
[0006] According to the flue gas and dust purification equipment, a water inlet pipe and a drain pipe are provided on one side outer wall of the partition space below the box body.
[0007] According to the flue gas and dust purification equipment, solenoid valves are installed on both the first drain pipe and the second drain pipe.
[0008] A flue gas and dust purification device is provided, wherein the second vacuum pump is located between two partitions.
[0009] According to the flue gas and dust purification equipment, a baffle is provided at the top of each of the activated carbon plates, and a handle is fixedly connected to the top of each of the baffles.
[0010] According to the flue gas and dust purification equipment, a plug hole adapted to the activated carbon plate is provided at the top of the filter chamber.
[0011] According to the flue gas and dust purification equipment, the water tank is made of a transparent material, and an observation window is provided on the side wall of the box body corresponding to the position of the water tank.
[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0014] Figure 1This is a three-dimensional diagram of a flue gas and dust purification device of the utility model;
[0015] Figure 2 This is a structural schematic diagram of a flue gas and dust purification device of the utility model;
[0016] Figure 3 This is a three-dimensional diagram of a heating pipeline of a flue gas and dust purification device of the utility model;
[0017] Figure 4 This is a three-dimensional diagram of an activated carbon plate of a flue gas and dust purification device of the utility model.
[0018] Legend:
[0019] 1. Box body; 2. Air inlet pipe; 3. Air pump 1; 4. Water inlet pipe 1; 5. Drain pipe 1; 6. Activated carbon plate; 7. Heating pipe; 8. Exhaust valve; 9. Water inlet pipe 2; 10. Drain pipe 2; 11. Water tank; 12. Heating rod 1; 13. Exhaust fan; 14. Filter chamber; 15. Air pump 2; 16. Heating rod 2; 101. Observation window; 102. Socket; 103. Partition; 601. Baffle; 602. Handle. DETAILED DESCRIPTION
[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0021] Reference Figure 1-4The utility model embodiment is a flue gas dust purification device, which includes: a box body 1, two partitions 103 are arranged inside the box body 1, the upper surface of the upper partition 103 is fixedly connected to a water tank 11, the material of the water tank 11 is a transparent material, an observation window 101 is opened on the side wall of the box body 1 corresponding to the position of the water tank 11, a plurality of heating rods 16 are arranged at the bottom end of the lower partition 103, a water inlet pipe 9 and a drain pipe 10 are arranged on one side of the outer wall of the space of the partition 103 below the box body 1, the top of the water tank 11 passes through the outer wall of the box body 1 and is connected with an air inlet pipe 2 and a water inlet pipe 4, an air pump 3 is installed on the top of the air inlet pipe 2, a plurality of heating rods 12 are installed in the inner cavity at the bottom end of the water tank 11, and the side wall of the water tank 11 passes through the box A drain pipe 5 is connected to the side wall of the body 1, and electromagnetic valves are installed on the drain pipe 15 and the drain pipe 2 10. A filter chamber 14 is arranged on the other side of the water tank 11, and an exhaust fan 13 is installed between the water tank 11 and the filter chamber 14. Two activated carbon plates 6 are arranged inside the filter chamber 14, and baffles 601 are arranged on the top of the activated carbon plates 6. A handle 602 is fixed to the top of the baffle 601. A socket 102 compatible with the activated carbon plate 6 is opened on the top of the filter chamber 14, and a heating pipe 7 is connected to the bottom end of the filter chamber 14. An air pump 2 15 is installed at the air inlet of the heating pipe 7, and the air pump 2 15 is located between the two partitions 103. The air outlet of the heating pipe 7 passes through the outer wall of the box body 1 and an exhaust valve 8 is installed. By means of the water tank 11, filter chamber 14, heating pipe 7 and exhaust fan 13, an exhaust pump 3 is provided to draw smoke into the water in the water tank 11 through the air inlet pipe 2, a heating rod 12 heats the water in the water tank 11, filters the smoke and keeps the temperature of the smoke hot, the exhaust fan 13 draws the gas initially filtered by the water tank 11 to the filter chamber 14 for secondary filtration through the activated carbon plate 6, the gas after secondary filtration is drawn into the heating pipe 7 by the exhaust pump 2 15, the water in the body is heated by the residual heat of the gas, the purified gas after heating is discharged through the exhaust valve 8, the heat of the smoke is recycled while purifying the smoke, thereby improving the energy utilization rate; by means of the heating rod 2 16, the water heated by the residual heat of the smoke in the heating pipe 7 is directly heated to the required water temperature, thereby reducing the time for heating the water temperature and improving the heating efficiency.
[0022] Working principle: When in use, start the vacuum pump 3 to draw the purified smoke into the water in the water tank 11 through the air inlet pipe 2, the heating rod 12 heats the water in the water tank 11, filters the smoke and keeps the temperature of the smoke hot, the exhaust fan 13 draws the gas preliminarily filtered by the water tank 11 to the filter chamber 14 for secondary filtration through the activated carbon plate 6, and the gas after secondary filtration is drawn into the heating pipe 7 by the vacuum pump 2 15, and the water in the body is heated by the residual heat of the gas. The purified gas after heating is discharged through the exhaust valve 8, and the heating rod 2 16 is started at the same time to directly heat the water heated by the residual heat of the smoke in the heating pipe 7 to the required water temperature, thereby reducing the time for heating the water temperature and improving the heating efficiency.
[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A flue gas dust purification device, comprising: The box body (1) is characterized in that two partitions (103) are provided inside the box body (1), the upper surface of the upper partition (103) is fixedly connected to a water tank (11), and the bottom end of the lower partition (103) is provided with a plurality of heating rods (16), the top end of the water tank (11) passes through the outer wall of the box body (1) and is connected with an air inlet pipe (2) and a water inlet pipe (4), the top end of the air inlet pipe (2) is installed with an air pump (3), the bottom inner cavity of the water tank (11) is installed with a plurality of heating rods (12), and the water tank (11) The side wall of the water tank (11) passes through the side wall of the box body (1) and is connected to a drainage pipe (5); a filter chamber (14) is provided on the other side of the water tank (11); an exhaust fan (13) is installed between the water tank (11) and the filter chamber (14); two activated carbon plates (6) are provided inside the filter chamber (14); a heating pipe (7) is connected to the bottom end of the filter chamber (14); an exhaust pump (15) is installed at the air inlet of the heating pipe (7); and an exhaust valve (8) is installed at the air outlet of the heating pipe (7) that passes through the outer wall of the box body (1).
2. The flue gas dust purification equipment according to claim 1, characterized in that: A second water inlet pipe (9) and a second water discharge pipe (10) are provided on one side outer wall of the space of the partition plate (103) below the box body (1).
3. The flue gas dust purification equipment according to claim 2, characterized in that: Solenoid valves are installed on both the drainage pipe 1 (5) and the drainage pipe 2 (10).
4. The flue gas dust purification equipment according to claim 3, characterized in that: The second air pump (15) is located between the two partitions (103).
5. The flue gas dust purification equipment according to claim 4, characterized in that: The top of each activated carbon plate (6) is provided with a baffle (601), and the top of each baffle (601) is fixedly connected with a handle (602).
6. The flue gas dust purification equipment according to claim 5, characterized in that: The top of the filter chamber (14) is provided with a plug hole (102) adapted to the activated carbon plate (6).
7. The flue gas dust purification equipment according to claim 6, characterized in that: The water tank (11) is made of a transparent material, and an observation window (101) is provided on a side wall of the box body (1) corresponding to the position of the water tank (11).