Waste gas dust removal device for waste gas treatment equipment

Abstract

The utility model discloses a waste gas dust removal device for waste gas treatment equipment, and relates to the technical field of waste gas treatment equipment. The filter comprises a filter cartridge, a first conveying pipe is detachably arranged at the input end of the filter cartridge, a second conveying pipe is detachably arranged at the output end of the filter cartridge, a flow stabilizing plate is fixedly connected to the lower portion of the inner side wall of the filter cartridge, and a notch is formed in the top face of the flow stabilizing plate. An electric heating filter plate is fixedly connected to the inner side wall of the filter cartridge and above the steady flow plate, and a filter element is arranged in the filter cartridge and above the electric heating filter plate; according to the waste gas treatment device, waste gas can be effectively dedusted and filtered, the filter cartridge is arranged between the first conveying pipe and the second conveying pipe, and the waste gas can be subjected to double purification treatment through the filter element in the filter cartridge and the electric heating filter plate, so that the pollution to the environment is reduced; water vapor in the waste gas can be prevented from being mixed with dust to be condensed in the filter cartridge, so that the transmission efficiency of the waste gas is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment equipment, in particular to a waste gas dust removal device for waste gas treatment equipment. Background Art

[0002] Waste gas refers to toxic and harmful gases discharged by humans in the process of production and life, especially from chemical plants, steel mills, pharmaceutical plants, coking plants and refineries. The waste gas emitted has a strong odor, seriously pollutes the environment and affects human health. The waste gas needs to be purified before it can be discharged.

[0003] At present, when the waste gas dust removal device for waste gas treatment equipment is used, it is mostly simply adsorbed by activated carbon. There is still a certain amount of dust in the waste gas after dust removal, and the dust removal effect is poor. In addition, during purification, the water vapor and dust contained in the waste gas may mix, causing blockage at the filter, thereby affecting the transmission efficiency of the waste gas. In view of the above problems, the inventor proposes a waste gas dust removal device for waste gas treatment equipment to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the current waste gas dust removal device for waste gas treatment equipment has poor dust removal effect during use, and the water vapor and dust contained in the waste gas may mix, thereby causing blockage at the filter and affecting the waste gas transmission efficiency; the purpose of the utility model is to provide a waste gas dust removal device for waste gas treatment equipment.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an exhaust gas dust removal device for exhaust gas treatment equipment, comprising a filter cartridge, the input end of the filter cartridge is detachably provided with a first transmission pipe, the output end of the filter cartridge is detachably provided with a second transmission pipe, a flow stabilizing plate is fixedly connected to the lower portion of the inner wall of the filter cartridge, a recess is provided on the top surface of the flow stabilizing plate, an electrically heated filter plate is fixedly connected to the inner wall of the filter cartridge and above the flow stabilizing plate, and a filter element is provided inside the filter cartridge and above the electrically heated filter plate.

[0006] Preferably, the bottom end of the filter cartridge is fixedly connected with a third flange, the top end of the first transmission pipe is fixedly connected with a second flange, the second flange corresponds to and cooperates with the third flange, the end of the first transmission pipe facing away from the second flange is fixedly connected with the first flange, and the second flange cooperates with the third flange so that the first transmission pipe can be fixed to the filter cartridge, the first flange is used to fix the first transmission pipe to an external exhaust gas discharge pipe, the top surface of the filter cartridge is detachably provided with a fourth flange, the bottom end of the second transmission pipe is fixedly connected with a fifth flange, the fourth flange corresponds to and cooperates with the fifth flange, the top surface of the fourth flange is provided with a groove, the notch of the groove is interspersed with fastening bolts, the end of the second transmission pipe facing away from the fifth flange is fixedly connected with a sixth flange, the sixth flange is used to be fixed to an external connecting pipe, and the second transmission pipe can be fixed to the filter cartridge through the cooperation of the fourth flange and the fifth flange.

[0007] Preferably, the axis of the groove coincides with the axis of the fourth flange, and a threaded hole is penetrated through the top surface of the filter cartridge. The fastening bolt corresponds to and cooperates with the threaded hole. The fastening bolt is turned so that the fastening bolt falls off the threaded hole, so that the fourth flange can be separated from the filter cartridge to replace the filter element in the filter cartridge. There are two flow stabilizers, and the two flow stabilizers are staggered with each other. The flow stabilizers are used to stabilize the flow of exhaust gas to increase the contact time between the exhaust gas and the filter element, thereby improving the dust removal effect.

[0008] Preferably, an annular plate is provided on the bottom surface of the filter element, and the annular plate is located in the filter cartridge, and the outer side wall of the annular plate is fixedly connected to the inner side wall of the filter cartridge. The filter element is used to filter the exhaust gas to perform dust removal operations. When the exhaust gas rises through the flow stabilizing plate, the arranged electric heating filter plate can perform preliminary filtering on the exhaust gas to remove some of the dust, and the outer side wall of the filter cartridge is fixedly connected with an electric heater, and the electric heater is electrically connected to the electric heating filter plate. The electric heating filter plate can be heated by the electric heater to prevent water vapor in the exhaust gas from mixing with dust and condensing on the electric heating filter plate, thereby affecting the transmission efficiency of the exhaust gas, and some of the dust filtered by the electric heating filter plate will fall off, and the fallen dust will fall into the recess for centralized treatment to avoid blocking the transportation channel of the exhaust gas.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model can effectively remove dust and filter the exhaust gas. A filter cartridge is arranged between the first transmission pipe and the second transmission pipe. The exhaust gas can be double purified by the filter element in the filter cartridge and the electric heating filter plate to reduce pollution to the environment.

[0011] 2. In the utility model, the electric heating filter plate can be heated to prevent the water vapor in the exhaust gas from mixing with the dust and condensing in the filter tube, thereby avoiding affecting the transmission efficiency of the exhaust gas, and the filter element can be replaced to avoid affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 This is an exploded view of the utility model.

[0015] Figure 3 This is a schematic diagram of the internal structure of the filter cartridge of the utility model.

[0016] In the figure: 1. first transmission pipe; 2. first flange; 3. second flange; 4. filter cartridge; 5. third flange; 6. fourth flange; 7. second transmission pipe; 8. fifth flange; 9. sixth flange; 10. groove; 11. fastening bolt; 12. annular plate; 13. filter element; 14. threaded hole; 15. flow stabilizing plate; 16. notch; 17. electric heating filter plate; 18. electric heater. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Figure 1-3 As shown, the utility model provides an exhaust gas dust removal device for exhaust gas treatment equipment, including a filter cartridge 4, the input end of the filter cartridge 4 is detachably provided with a first transmission pipe 1, the output end of the filter cartridge 4 is detachably provided with a second transmission pipe 7, a flow stabilizing plate 15 is fixedly connected to the lower portion of the inner wall of the filter cartridge 4, a recess 16 is provided on the top surface of the flow stabilizing plate 15, an electrically heated filter plate 17 is fixedly connected to the inner wall of the filter cartridge 4 and above the flow stabilizing plate 15, and a filter element 13 is provided inside the filter cartridge 4 and above the electrically heated filter plate 17.

[0019] The bottom end of the filter cartridge 4 is fixedly connected to a third flange 5, the top end of the first transmission pipe 1 is fixedly connected to a second flange 3, the second flange 3 corresponds to and cooperates with the third flange 5, and the end of the first transmission pipe 1 facing away from the second flange 3 is fixedly connected to the first flange 2.

[0020] By adopting the above technical solution, the second flange 3 and the third flange 5 cooperate with each other, so that the first transmission pipe 1 can be fixed to the filter cartridge 4, and the first flange 2 is used to fix the first transmission pipe 1 to the external exhaust gas discharge pipe.

[0021] The top surface of the filter cartridge 4 is detachably provided with a fourth flange 6, the bottom end of the second transmission pipe 7 is fixedly connected with a fifth flange 8, the fourth flange 6 corresponds to and matches the fifth flange 8, the top surface of the fourth flange 6 is provided with a groove 10, the notch of the groove 10 is interspersed with a fastening bolt 11.

[0022] By adopting the above technical solution, the end of the second transmission pipe 7 facing away from the fifth flange 8 is fixedly connected to the sixth flange 9, and the sixth flange 9 is used to be fixed to the external connecting pipe. Through the mutual cooperation of the fourth flange 6 and the fifth flange 8, the second transmission pipe 7 can be fixed to the filter cartridge 4.

[0023] The axis of the groove 10 coincides with the axis of the fourth flange 6 . A threaded hole 14 is provided through the top surface of the filter cartridge 4 . The fastening bolt 11 corresponds to and matches the threaded hole 14 .

[0024] By adopting the above technical solution, the fastening bolt 11 is screwed to make the fastening bolt 11 fall off the threaded hole 14, so that the fourth flange 6 can be separated from the filter cartridge 4, so that the filter element 13 in the filter cartridge 4 can be replaced.

[0025] There are two flow stabilizers 15 , and the two flow stabilizers 15 are staggered with each other.

[0026] By adopting the above technical solution, the flow stabilizing plate 15 is used to stabilize the flow of the exhaust gas, so as to increase the contact time between the exhaust gas and the filter element 13, thereby improving the dust removal effect.

[0027] An annular plate 12 is disposed on the bottom surface of the filter element 13 . The annular plate 12 is located in the filter cartridge 4 , and the outer side wall of the annular plate 12 is fixedly connected to the inner side wall of the filter cartridge 4 .

[0028] By adopting the above technical scheme, the filter element 13 is used to filter the exhaust gas to perform dust removal operations. When the exhaust gas rises through the flow stabilizer 15, the electrically heated filter plate 17 can perform preliminary filtering on the exhaust gas to remove some of the dust, and the outer wall of the filter tube 4 is fixedly connected with an electric heater 18, and the electric heater 18 is electrically connected to the electric heating filter plate 17. The electric heater 18 can heat the electric heating filter plate 17 to prevent the water vapor in the exhaust gas from mixing with the dust and condensing on the electric heating filter plate 17, thereby affecting the transmission efficiency of the exhaust gas, and some of the dust filtered by the electric heating filter plate 17 will fall off, and the fallen dust will fall into the recess 16 for centralized treatment to avoid blocking the transportation channel of the exhaust gas.

[0029] Working principle: When the utility model is in use, the first transmission pipe 1 and the filter cartridge 4 can be fixed by the mutual cooperation of the second flange 3 and the third flange 5, the first transmission pipe 1 can be fixed to the external exhaust gas discharge pipe by the first flange 2, and the second transmission pipe 7 can be fixed to the filter cartridge 4 by the mutual cooperation of the fourth flange 6 and the fifth flange 8;

[0030] When the exhaust gas passes through the first transmission pipe 1 and enters the filter cartridge 4, the flow stabilizing plate 15 can stabilize the flow of the exhaust gas to increase the contact time between the exhaust gas and the filter element 13. The electrically heated filter plate 17 can perform preliminary filtration on the exhaust gas to remove some of the dust. The electrically heated filter plate 17 can be heated by the electric heater 18 to prevent the water vapor in the exhaust gas from mixing with the dust and condensing on the electrically heated filter plate 17, thereby affecting the transmission efficiency of the exhaust gas. Some of the dust filtered by the electrically heated filter plate 17 will fall off, and the fallen dust will fall into the recess 16 for centralized treatment.

[0031] The gas filtered by the electrically heated filter plate 17 will rise again, and the exhaust gas can be filtered again through the filter element 13 to perform dust removal operations. When the filter element 13 needs to be replaced, the fastening bolts 11 are tightened so that the fastening bolts 11 fall off the threaded holes 14, so that the fourth flange 6 can be separated from the filter cartridge 4 to replace the filter element 13 in the filter cartridge 4.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An exhaust gas dust removal device for exhaust gas treatment equipment, comprising a filter cartridge (4), characterized in that: The input end of the filter cartridge (4) is detachably provided with a first transmission tube (1), the output end of the filter cartridge (4) is detachably provided with a second transmission tube (7), a flow stabilizing plate (15) is fixedly connected to the lower portion of the inner wall of the filter cartridge (4), a notch (16) is provided on the top surface of the flow stabilizing plate (15), an electrically heated filter plate (17) is fixedly connected to the inner wall of the filter cartridge (4) and above the flow stabilizing plate (15), and a filter element (13) is provided inside the filter cartridge (4) and above the electrically heated filter plate (17).

2. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 1, characterized in that: The bottom end of the filter cartridge (4) is fixedly connected to a third flange (5), the top end of the first transmission pipe (1) is fixedly connected to a second flange (3), and the second flange (3) corresponds to and matches the third flange (5).

3. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 2, characterized in that: One end of the first transmission pipe (1) facing away from the second flange (3) is fixedly connected to the first flange (2).

4. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 1, characterized in that: The top surface of the filter cartridge (4) is detachably provided with a fourth flange (6), the bottom end of the second transmission pipe (7) is fixedly connected with a fifth flange (8), and the fourth flange (6) corresponds to and matches the fifth flange (8).

5. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 4, characterized in that: The top surface of the fourth flange (6) is provided with a groove (10), and a fastening bolt (11) is inserted into the notch of the groove (10).

6. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 5, characterized in that: The axis of the groove (10) coincides with the axis of the fourth flange (6); a threaded hole (14) is provided through the top surface of the filter cartridge (4); and the fastening bolt (11) corresponds to and matches the threaded hole (14).

7. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 1, characterized in that: There are two flow stabilizing plates (15), and the two flow stabilizing plates (15) are staggered with each other.

8. The exhaust gas dust removal device for exhaust gas treatment equipment according to claim 1, characterized in that: An annular plate (12) is provided on the bottom surface of the filter element (13); the annular plate (12) is located inside the filter cartridge (4); and the outer side wall of the annular plate (12) is fixedly connected to the inner side wall of the filter cartridge (4).

Images