Integrated bag-type dust collector
The bag filter with integrated desulfurization and denitrification functions solves the problems of multiple equipment, high cost and large space required for flue gas treatment systems, and achieves efficient and low-cost flue gas treatment.
Patent Information
- Application Number
- CN202422674021.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-04
AI Technical Summary
In existing flue gas treatment systems, the number of denitrification, desulfurization and dust removal equipment is large, the cost is high and the area occupied is large.
An integrated bag dust collector is designed to integrate the desulfurization and denitrification functions in one dust collector. Desulfurizer is sprayed into the dust collection pipe through a spray gun. The flue gas is first removed from the filter bag and then denitrified through the filter element. The filter element is filled with a denitrification catalyst.
It improves the flue gas treatment efficiency, reduces the number of equipment, reduces costs, and occupies a smaller area. At the same time, the filter element supports the filter bag to prevent it from being squeezed under negative pressure.
Smart Images
Figure CN223453900U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the flue gas treatment technical field, concretely relates to an integrated cloth bag dust collector. BACKGROUND
[0002] Flue gas needs to be treated before being discharged, and the treatment process generally includes three steps of denitration, desulfurization and dust removal. A denitration tower, a desulfurization tower and a dust remover need to be respectively configured for the three steps. However, the flue gas treatment system composed of multiple devices occupies a large area and has many devices, and the cost is also correspondingly increased. CONTENT OF THE UTILITY MODEL
[0003] The utility model embodiment provides an integrated cloth bag dust collector, aims at solving the technical problem that the number of devices used in the process of denitration, desulfurization and dust removal of the existing flue gas is large, the cost is high, and the area occupied is large.
[0004] To achieve the above object, the utility model adopts the technical scheme of providing an integrated cloth bag dust collector, which comprises a dust remover body, a dust collection pipeline arranged at the first side bottom of the dust remover body, a gas outlet pipeline arranged at the second side top of the dust remover body, and a spray gun in communication with the dust collection pipeline. The second side is the opposite side of the first side. The spray gun is used for spraying desulfurizing agent into the dust collection pipeline. A filter core is fixedly connected in the dust remover body, and a filter bag is sleeved on the outer periphery of the filter core. The filter core is filled with a denitration catalyst.
[0005] In the process, the flue gas enters the inside of the dust remover body through the dust collection pipeline, sequentially passes through the filter bag and the filter core, and then flows out from the top of the filter core and is discharged to the outside through the gas outlet pipeline.
[0006] In a possible implementation manner, the spray gun is provided with a plurality of spray guns on the outer periphery of the dust collection pipeline.
[0007] In a possible implementation manner, the integrated cloth bag dust collector further comprises a conveying pipeline in communication with the plurality of spray guns. An adjusting valve is arranged on each spray gun.
[0008] In a possible implementation manner, the outer periphery of the dust collection pipeline is provided with a plurality of mounting pipes. The plurality of mounting pipes correspond to the plurality of spray guns one by one. The mounting pipes and the outer periphery of the spray guns are both provided with connecting flanges. The spray guns penetrate the mounting pipes and extend into the inside of the dust collection pipeline.
[0009] In a possible implementation manner, a plurality of dust removal cavities are arranged in parallel and in communication with each other in the dust remover body. The filter core and the filter bag are arranged in each dust removal cavity. The dust remover body further comprises a gas outlet cavity arranged at the top of the plurality of dust removal cavities. The gas outlet cavity is in communication with the inner cavities of the plurality of filter cores.
[0010] In a possible implementation, the integrated cloth bag dust collector further comprises a dust cleaning assembly, the dust cleaning assembly comprises a gas pocket arranged at the top of the filter core and a dust hopper arranged at the bottom of the filter bag, and the gas pocket has a gas outlet towards the filter core.
[0011] In a possible implementation, the dust hopper is in a funnel shape.
[0012] In a possible implementation, the top of the filter bag is provided with an elastic ring, and the elastic ring is clamped to the outer periphery of the filter core.
[0013] In a possible implementation, a fixing plate is fixedly connected in the dust collector body, and the fixing plate has a through hole for clamping the elastic ring.
[0014] In a possible implementation, the top of the filter core is outwardly folded to form an abutting ring, and the abutting ring is arranged at the top of the fixing plate.
[0015] Compared with the prior art, the scheme shown in the embodiments of the present application has the following advantages: the flue gas to be treated enters the dust collector body through the dust collection pipeline, when passing through the dust collection pipeline, the spray gun sprays the desulfurizing agent into the dust collection pipeline to perform desulfurization treatment on the flue gas, the flue gas after desulfurization enters the dust collector body, rises and sequentially passes through the filter bag and the filter core, and then enters the space in the middle of the filter core, the flue gas passing through the filter bag is subjected to dust removal, and the flue gas passing through the filter core is subjected to denitration, and then the treated flue gas flows out from the top of the filter core and flows out to the outside through the gas outlet pipeline. The integrated cloth bag dust collector integrates desulfurization and denitration in the dust collector, and the flue gas is subjected to denitration and desulfurization at the same time when being subjected to dust removal treatment, thereby improving the flue gas treatment efficiency, reducing the number of equipment arrangements, reducing the use cost, and occupying a smaller area. If there is no filter core, the filter bags may be squeezed together in a negative pressure environment, and the filter core not only can realize denitration of the flue gas, but also can support the filter bags. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 FIG. 1 is a front view of the structure of the integrated cloth bag dust collector according to the embodiments of the present application;
[0017] Figure 2 FIG. 4 is a sectional view of the dust collection pipeline according to the embodiments of the present application;
[0018] Figure 3 FIG. 6 is a sectional view of the filter core and the filter bag according to the embodiments of the present application.
[0019] FIG. 10 is a sectional view of the filter core and the filter bag according to the embodiments of the present application.
[0020] 10 - dust collection pipeline; 11 - mounting pipe;
[0021] 20 - dust collector body; 21 - filter core; 211 - abutment ring; 22 - filter bag; 23 - dust removal cavity; 24 - air outlet cavity; 25 - elastic ring; 26 - fixing plate;
[0022] 30 - air outlet pipe;
[0023] 40 - spray gun; 41 - regulating valve;
[0024] 50 - conveying pipe;
[0025] 60 - connecting flange;
[0026] 70 - gas pocket; 71 - ash hopper. DETAILED DESCRIPTION
[0027] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.
[0028] In the claims, description and above drawings of the utility model, unless otherwise explicitly limited, the terms such as “first”, “second” or “third” are used only to distinguish different objects, and are not used to describe a specific order.
[0029] In the claims, description and above drawings of the utility model, unless otherwise explicitly limited, the terms such as “up”, “down”, “top”, “bottom”, “front”, “back”, “inside”, “outside”, “center”, “transverse”, “vertical”, “horizontal”, “left”, “right”, “clockwise”, “counterclockwise”, “high”, “low” and the like indicate the orientation or position relationship based on the orientation and position relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not used to indicate or imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the utility model.
[0030] In the claims, description and above drawings of the utility model, unless otherwise explicitly limited, the terms such as “fixedly connected” or “fixedly connected” should be understood broadly, that is, any connection mode without displacement relationship and relative rotation relationship between the two, that is, it includes non-detachable fixed connection, detachable fixed connection, integration and fixed connection through other devices or elements.
[0031] In the claims, description and above drawings of the utility model, the terms such as “include”, “have” and their variants are intended to mean “include but are not limited to”.
[0032] Please see Figures 1 to 3 , now the utility model provides an integral type cloth bag dust collector is described. The integral type cloth bag dust collector, including dust collector body 20, be located in the dust collector body 20 first side bottom's dust collection pipeline 10, be located in the dust collector body 20 second side top's outlet pipe 30, and with dust collection pipeline 10 intercommunication's spray gun 40, second side is the opposite side of first side, spray gun 40 is used in the dust collection pipeline 10 in and sprays into desulfurizer, dust collector body 20 is fixedly connected with filter core 21, and filter bag 22 is sleeved on the outer periphery of filter core 21, and filter core 21 is filled with denitration catalyst;
[0033] Wherein, the flue gas enters the dust collector body 20 inside through the dust collection pipeline 10, sequentially passes through the filter bag 22 and the filter core 21, and flows out from the top of the filter core 21, and is discharged to the outside through the outlet pipe 30.
[0034] Compared with the prior art, the flue gas to be treated enters the dust collector body 20 inside through the dust collection pipeline 10, when passing through the dust collection pipeline 10, the spray gun 40 sprays desulfurizer into the dust collection pipeline 10 to treat the flue gas, the flue gas after desulfurization enters the dust collector body 20, rises and sequentially passes through the filter bag 22 and the filter core 21, and then enters the space in the middle of the filter core 21, the flue gas passing through the filter bag 22 is dusted, and the flue gas passing through the filter core 21 is denitrated, and then the treated flue gas flows out from the top of the filter core 21 and flows out to the outside through the outlet pipe 30. The utility model integrates desulfurization and denitrification in the dust collector, the flue gas is simultaneously denitrated and desulfurized when being treated, the treatment efficiency of the flue gas is improved, the number of equipment arrangement is reduced, the use cost is reduced, and the area occupied is smaller. If there is no filter core 21, the filter bags 22 may be extruded together in a negative pressure environment, and the filter core 21 can not only denitrate the flue gas, but also support the filter bags 22.
[0035] In some embodiments, one improved embodiment of the above-mentioned spray gun 40 can adopt the structure as shown in Figure 2 . Referring to Figure 2 , the spray gun 40 is provided with a plurality of spray guns 40 on the outer periphery of the dust collection pipeline 10. By providing a plurality of spray guns 40, the demand for large quantities of flue gas treatment can be met, the number of spray guns 40 can be determined according to the flow of flue gas to be treated, and the increase of the spray guns 40 also improves the efficiency of desulfurization treatment of flue gas, avoiding the residue in the flue gas.
[0036] In some embodiments, one improved embodiment of the above-mentioned integral type cloth bag dust collector can adopt the structure as shown in Figure 2 . Referring to Figure 2The integrated cloth bag dust collector further comprises a conveying pipeline 50, the conveying pipeline 50 is communicated with the plurality of spray guns 40, and the adjusting valve 41 is arranged on each spray gun 40. The desulfurizer is simultaneously provided to the plurality of spray guns 40 through the conveying pipeline 50, and the spraying rate and flow of the desulfurizer on each spray gun 40 can be controlled through the corresponding adjusting valve 41, so that the adjusting valve 41 on the spray gun 40 can be adjusted according to the actual flow of the flue gas when the flue gas passes, so that the amount of the desulfurizer and the amount of the flue gas are in a proper proportion, the desulfurization effect on the flue gas is ensured, and the waste of the desulfurizer is avoided.
[0037] In some embodiments, a specific connection mode of the spray gun 40 and the dust collecting pipeline 10 can adopt the structure as shown in Figure 2 . Referring to Figure 2 , the outer periphery of the dust collecting pipeline 10 is provided with a plurality of mounting pipes 11, the plurality of mounting pipes 11 correspond to the plurality of spray guns 40 one by one, the mounting pipe 11 and the spray gun 40 are both provided with a connecting flange 60, and the spray gun 40 penetrates the mounting pipe 11 to extend into the inside of the dust collecting pipeline 10. When the spray gun 40 is mounted, the spray gun 40 is extended into the dust collecting pipeline 10 through the corresponding mounting pipe 11, then the connecting flange 60 of the spray gun 40 and the connecting flange 60 of the mounting pipe 11 are connected through the threaded connecting piece, and the fixation of the spray gun 40 is completed. The structure can facilitate the mounting of the spray gun 40, and the spray gun 40 will not shake during use.
[0038] It should be noted that, in order to avoid the leakage of the flue gas from the position of the connecting flange 60, some sealing structures such as a sealing ring can be arranged between the connecting flange 60 of the spray gun 40 and the connecting flange 60 of the mounting pipe 11.
[0039] In some embodiments, a specific embodiment of the dust collector body 20 can adopt the structure as shown in Figure 1 . Referring to Figure 1 , the dust collector body 20 is provided with a plurality of dust collecting cavities 23 arranged side by side and communicated with each other, the filter core 21 and the filter bag 22 are arranged in each dust collecting cavity 23, and the dust collector body 20 further comprises a gas outlet cavity 24 arranged at the top of the plurality of dust collecting cavities 23, and the gas outlet cavity 24 is communicated with the inner cavities of the plurality of filter cores 21. When the flue gas in the dust collecting pipeline 10 enters the dust collector body 20, the flue gas will enter the plurality of dust collecting cavities 23 in sequence, and the flue gas in each dust collecting cavity 23 will pass through the filter bag 22 and the filter core 21 in the dust collecting cavity 23 in sequence during the ascending process of the flue gas. The flue gas is treated through the plurality of dust collecting cavities 23 at the same time, which can improve the treatment efficiency of the flue gas and reduce the replacement cycle of the filter bag 22.
[0040] In some embodiments, a specific embodiment of the integrated cloth bag dust collector can adopt the structure as shown in Figure 1 . Referring to Figure 1The integrated cloth bag dust collector further comprises a dust cleaning assembly, which comprises a gas pocket 70 arranged at the top of the filter core 21 and a dust hopper 71 arranged at the bottom of the filter bag 22, and the gas pocket 70 has a gas outlet facing the filter core 21. After being used for a period of time, the outer surface of the filter bag 22 will be attached with relatively thick dust, and the dust removal effect on flue gas will be reduced. Therefore, after being used for a period of time, the filter core 21 is blown with gas through the gas pocket 70, and the gas passing through the filter core 21 blows the dust on the outer surface of the filter bag 22 and drops into the dust hopper 71, thereby prolonging the service life of the filter bag 22 and avoiding frequent replacement.
[0041] Specifically, the dust hopper 71 is in the shape of a funnel. When the dust hopper 71 is used, a dust collecting bag can be installed at the bottom of the dust hopper 71. Due to the funnel shape of the dust hopper 71, the dust can quickly drop when falling into the dust hopper 71, thereby facilitating the collection of the dropped dust.
[0042] It should be noted that when the dust removal chamber 23 is provided with a plurality of dust removal chambers, the dust hopper 71 and the gas pocket 70 are also provided with a plurality of corresponding dust hoppers and gas pockets. Each dust hopper 71 corresponds to one dust removal chamber 23, and each gas pocket 70 corresponds to a group of filter cores 21 (a plurality of filter cores 21 located in the same dust removal chamber 23, and the number of gas outlets on the gas pocket 70 is the same as the number of filter cores 21 in the same dust removal chamber 23). The gas pocket 70 mainly blows compressed air, and therefore a plurality of gas pockets 70 can be connected to the same compressed pipeline.
[0043] In some embodiments, a specific connection mode of the filter bag 22 and the filter core 21 described above can adopt the structure as shown in Figure 3 . Referring to Figure 3 , the top of the filter bag 22 is provided with an elastic ring 25 clamped on the outer periphery of the filter core 21. The elastic ring 25 can be a rubber band, a spring sheet or the like. In the existing dust collector, the filter bag 22 is fixed. By adding the elastic ring 25 on the filter bag 22, when the filter core 21 is put into the filter bag 22 from the mouth of the filter bag 22, the elastic ring 25 is tightened by the elastic force to realize the installation of the filter core 21. By arranging the elastic ring 25, the filter core 21 is conveniently disassembled, thereby facilitating the assembly in the early stage and the replacement in the later stage.
[0044] In some embodiments, an improved embodiment of the elastic ring 25 described above can adopt the structure as shown in Figure 3 . Referring to Figure 3 , the dust collector body 20 is fixedly connected with a fixed plate 26 having a through hole for clamping the elastic ring 25. The fixed plate 26 is actually a flower plate having a plurality of holes, that is, the above-mentioned through holes. Due to the regular arrangement of the through holes on the flower plate, the filter core 21 and the filter bag 22 are arranged in the through holes, thereby conveniently ensuring the regular arrangement of the filter core 21 and the filter bag 22, and the dust removal effect is better.
[0045] In some embodiments, a specific fixing mode of the filter core 21 described above can adopt the structure as shown in Figure 3 . Referring toFigure 3 The top of the filter core 21 is outwardly folded to form an abutting ring 211, which is arranged on the top of the fixing plate 26. The abutting ring 211 abuts against the top surface of the fixing plate 26, so that the filter core 21 is prevented from falling off. In addition, the elastic ring 25 is clamped on the outer periphery of the filter core 21, and the fixing plate 26 abuts against the side wall of the elastic ring 25, so that the fixing plate 26 also achieves the fixation of the filter core 21.
[0046] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An integrated cloth bag dust collector, characterized by comprising: The integrated bag dust collector comprises a dust collector body, a dust collecting pipeline arranged at the bottom of the first side of the dust collector body, an air outlet pipeline arranged at the top of the second side of the dust collector body, and a spray gun in communication with the dust collecting pipeline, wherein the second side is opposite to the first side, the spray gun is used for spraying desulfurizing agent into the dust collecting pipeline, a filter core is fixedly arranged in the dust collector body, and a filter bag is arranged on the outer periphery of the filter core, and the filter core is filled with a denitration catalyst; Wherein, the flue gas enters the inside of the dust collector body through the dust collecting pipeline, and flows out from the top of the filter core after passing through the filter bag and the filter core in sequence, and is discharged to the outside through the air outlet pipeline.
2. The integrated cloth bag precipitator according to claim 1, wherein The spray gun is provided with a plurality of spray guns on the outer periphery of the dust collecting pipeline.
3. The integrated cloth bag precipitator according to claim 2, wherein The integrated bag dust collector further comprises a conveying pipeline in communication with the plurality of spray guns, and each spray gun is provided with an adjusting valve.
4. The integrated cloth bag precipitator according to claim 2, wherein The outer periphery of the dust collecting pipeline is provided with a plurality of mounting pipes, and the plurality of mounting pipes correspond to the plurality of spray guns one by one, the mounting pipes and the outer periphery of the spray guns are provided with connecting flanges, and the spray guns penetrate the mounting pipes and extend into the inside of the dust collecting pipeline.
5. The integrated cloth bag precipitator as set forth in claim 1, wherein The dust collector body is provided with a plurality of dust removal cavities arranged side by side and in communication with each other, the filter core and the filter bag are arranged in each dust removal cavity, the dust collector body further comprises an air outlet cavity arranged at the top of the plurality of dust removal cavities, and the air outlet cavity is in communication with the inner cavities of the plurality of filter cores.
6. The integrated cloth bag precipitator as set forth in claim 1, wherein The integrated bag dust collector further comprises a dust cleaning assembly, the dust cleaning assembly comprises a gas pocket arranged at the top of the filter core, and a dust hopper arranged at the bottom of the filter bag, and the gas pocket has an air outlet towards the filter core.
7. The integrated cloth bag precipitator as claimed in claim 6, wherein The dust hopper is in the shape of a funnel.
8. The integrated cloth bag precipitator as claimed in claim 1, wherein, The top of the filter bag is provided with an elastic ring, and the elastic ring is clamped on the outer periphery of the filter core.
9. The integrated cloth bag precipitator as claimed in claim 8, wherein, The dust collector body is fixedly provided with a fixing plate, and the fixing plate has a through hole for clamping the elastic ring.
10. The integrated cloth bag precipitator as claimed in claim 9, wherein, The top of the filter core is outwardly folded to form an abutting ring, and the abutting ring is arranged on the top of the fixing plate.