Environment-friendly treatment device for boiler flue gas

Abstract

The utility model relates to an environment-friendly treatment device for boiler flue gas, which comprises a treatment chamber and a flue gas input pipe communicated with the treatment chamber, and further comprises a flue gas filtering assembly and a plurality of elastic hanging pieces arranged at two ends of the flue gas filtering assembly. And the plurality of elastic hanging pieces are used for hanging the flue gas filtering assembly in the inner cavity of the treatment chamber. Through cooperative arrangement of the flue gas filtering assembly and the elastic hanging piece, dust intercepted on the surface of the flue gas filtering assembly can be shaken and fall off by utilizing elastic deformation of the elastic hanging piece when flue gas input into the treatment chamber is filtered and discharged by utilizing the flue gas filtering assembly, so that attachment of the dust on the surface of the flue gas filtering assembly is reduced; therefore, the smoothness of filtering and flowing of the flue gas flowing through the flue gas filtering assembly is improved, and the cleaning frequency of the flue gas filtering assembly by workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler facilities, in particular to an environmental protection treatment device for boiler flue gas. Background Art

[0002] In some areas, water bodies are heated by boiler combustion, and coal is mainly used as raw material in the boiler combustion process. After combustion, it will produce a lot of waste smoke containing polluting impurities.

[0003] For example, in the utility model patent with Chinese patent publication number CN219462844U, an environmental protection treatment device for boiler flue gas is proposed. By connecting the exhaust pipe arranged on one side of the boiler body with the treatment cylinder used for flue gas purification, the filter and multiple groups of activated carbon plates arranged inside the treatment cylinder can purify and filter the pollutants attached to the flue gas, so that the flue gas discharged into the external environment later will not pollute the external environment, which is beneficial to the protection of the environment.

[0004] However, during the use of this environmental protection treatment device for boiler flue gas, the dust trapped by the activated carbon plates and filters in the treatment tube is more likely to adhere to its surface, which will affect the smoothness of the flow of flue gas during the cleaning and filtration process, and increase the frequency of dust cleaning required by staff. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The utility model provides an environmentally friendly treatment device for boiler flue gas, which solves the problem that trapped dust is easy to attach and reduce the smoothness of the flow during the flue gas input for dust cleaning and filtering treatment, and increases the frequency of dust cleaning required by staff.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmental protection treatment device for boiler flue gas, comprising a treatment chamber and a flue gas inlet pipe connected to the treatment chamber, and also comprising a flue gas filter assembly and a plurality of elastic hangers, wherein the plurality of elastic hangers are arranged at both ends of the flue gas filter assembly, and the plurality of elastic hangers hang the flue gas filter assembly in the inner cavity of the treatment chamber, wherein the flue gas filter assembly comprises two end connecting sections, two hanging sections, a plurality of array connecting sections, a middle connecting section, a plurality of filter sections and a flue gas exhaust pipe, wherein the two end connecting sections are symmetrically arranged at the two ends of the inner cavity of the treatment chamber. The two hanging sections are respectively formed on opposite sides of the two end connecting sections, and the hanging sections are fixedly connected to adjacent elastic hangers, the middle connecting section is arranged between the two end connecting sections, and a plurality of array connecting sections are distributed between the middle connecting section and the end connecting section. The two adjacent array connecting sections, the middle connecting section and the adjacent array connecting sections, and the end connecting section and the adjacent array connecting sections are all connected through the filtering section, the smoke exhaust pipe is connected and arranged on the outer wall of the middle connecting section, and the end of the smoke exhaust pipe facing away from the middle connecting section passes through to the outside of the processing chamber.

[0009] Preferably, the smoke exhaust pipe includes two sections of rigid pipes and a section of flexible pipe, the two ends of the flexible pipe are respectively connected and fixed to the opposite ends of the two sections of rigid pipes, and the two sections of rigid pipes are respectively fixedly connected to the middle connecting section and the inner wall of the treatment chamber.

[0010] It is further preferred that the end connecting section, the array connecting section and the middle connecting section are all sealed and connected to adjacent filter sections, the filter section is configured as a non-woven fabric structure with a porous structure on the outer wall, and the filter section is formed into a cylindrical shape with openings at both ends, and fixed rings for connecting to the end connecting section, the array connecting section or the middle connecting section are fixedly connected at both ends of the filter section.

[0011] It is further preferred that the flue gas input pipe includes an air inlet pipe, a diversion pipe and a plurality of outlet pipes, the lower end of the flue gas input pipe is connected to the middle part of the diversion pipe, the plurality of outlet pipes are connected and arranged below the diversion pipe, and the lower ends of the plurality of outlet pipes extend into the inner cavity of the treatment chamber and are fixedly connected thereto, and the plurality of outlet pipes are arranged in an array along the length direction of the flue gas filter assembly.

[0012] It is further preferred that the smoke filtering assembly also includes one or two touch segments, the touch segments are fixedly connected to a surface of the adjacent lifting segment facing away from the end connecting segment, a motor is fixedly mounted on the side end surface of the treatment chamber, the output end of the motor extends into the treatment chamber and is connected to a cam, and the cam is rotatably arranged directly below the touch segment.

[0013] It is further preferred that a bracket is welded and fixed to the bottom of the processing chamber, and a ash cleaning port is formed above the lower end surface of the processing chamber, and a cover plate is detachably provided at the ash cleaning port.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides an environmental protection treatment device for boiler flue gas, which has the following beneficial effects:

[0016] In the utility model, the smoke filter assembly and the elastic hanging piece are arranged in coordination, so that the dust trapped on the surface of the smoke filter assembly during the process of filtering and discharging the smoke in the input processing room by the smoke filter assembly can be shaken off by the elastic deformation of the elastic hanging piece, thereby reducing the adhesion of dust on the surface of the smoke filter assembly, thereby improving the smoothness of the smoke flow through the smoke filter assembly, and reducing the frequency of cleaning the smoke filter assembly by the staff;

[0017] The cam is driven to rotate by a motor so that it can apply force to push the smoke filter assembly, so that the smoke filter assembly can actively use the deformation of the elastic hanger to produce vibration, thereby facilitating the active cleaning of dust attached to the surface of the smoke filter assembly, thereby improving the smoothness of smoke flowing through the smoke filter assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of an environmental protection treatment device for boiler flue gas according to an implementation scheme;

[0019] Figure 2 for Figure 1 A schematic diagram of the structure of a half-sectioned treatment chamber in an environmental protection treatment device for boiler flue gas;

[0020] Figure 3 It is a schematic diagram of the structure of a smoke filter assembly according to the implementation scheme.

[0021] In the figure: 10, flue gas input pipe; 11, air inlet pipe; 12, shunt pipe; 13, outlet pipe; 20, treatment chamber; 30, flue gas filtering assembly; 31, end connecting section; 32, lifting section; 33, touch section; 34, array connecting section; 35, middle connecting section; 36, filtering section; 37, flue gas exhaust pipe; 40, bracket; 50, elastic hanger; 60, motor; 70, cam. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1 and Figure 2 , an environmental protection treatment device for boiler flue gas, which may include a flue gas inlet pipe 10, a treatment chamber 20, a flue gas filter assembly 30, a bracket 40, a plurality of elastic hangers 50, a motor 60 and a cam 70. The flue gas inlet pipe 10 is connected and arranged outside the treatment chamber 20, and the flue gas inlet pipe 10 can be connected to the flue gas exhaust pipe of the boiler, so that the flue gas can be input into the treatment chamber 20 for dust removal and filtration after being discharged from the boiler. A plurality of elastic hangers 50 are arranged at both ends of the flue gas filter assembly 30, and a plurality of elastic hangers 50 hang the flue gas filter assembly 30 in the inner cavity of the treatment chamber 20, and the flue gas filter assembly 30 is used to remove dust from the flue gas input into the treatment chamber 20 and then guide it out of the treatment chamber 20. The dust-removed flue gas can also be connected to the existing desulfurization equipment, denitrification equipment, etc. in the prior art, and then further purified. The bracket 40 is welded and fixed to the lower end of the treatment chamber 20, and is used to support the treatment chamber 20. A motor 60 is fixedly mounted on the side end surface of the processing chamber 20, and the output end of the motor 60 extends into the processing chamber 20 and is connected to a cam 70. The cam 70 is rotatably arranged directly below the touch section 33 in the smoke filter assembly 30, so that when the two are used in conjunction, the smoke filter assembly 30 can actively shake off the attached dust.

[0024] In this embodiment, the smoke input pipe 10 includes an air inlet pipe 11, a shunt pipe 12, and a multi-section outlet pipe 13. The lower end of the smoke input pipe 10 is connected to the middle of the shunt pipe 12, and the multi-section outlet pipes 13 are all connected and arranged below the shunt pipe 12, and the lower end of the multi-section outlet pipe 13 extends into the inner cavity of the processing chamber 20 and is fixedly connected thereto. The multi-section outlet pipes 13 are arranged in an array along the length direction of the smoke filter assembly 30, so that the smoke input into the processing chamber 20 can flow in a shunt manner, and then the multiple filter sections 36 in the smoke filter assembly 30 can be more fully utilized for filtering and dust removal, and the smoke can blow the smoke filter assembly 30, so that it drives the elastic hanger to deform, and then the smoke filter assembly 30 produces a certain vibration.

[0025] In this embodiment, the upper portion of the processing chamber 20 can be set to be cylindrical, the lower portion can be set to be conical, and a dust cleaning port is formed above the lower end surface of the processing chamber 20, and a cover plate is detachably provided at the dust cleaning port. After the cover plate is removed, dust accumulated at the lower part of the processing chamber 20 can be cleaned out from the dust cleaning port.

[0026] See also Figure 3, the smoke filter assembly 30 may include two end connection segments 31, two hanging segments 32, one or two touch segments 33, a plurality of array connection segments 34, a middle connection segment 35, a plurality of filter segments 36 and a smoke exhaust pipe 37. The two end connection segments 31 are symmetrically arranged at the two ends of the inner cavity of the treatment chamber 20, the two hanging segments 32 are respectively formed on the opposite sides of the two end connection segments 31, and the hanging segments 32 are fixedly connected to the adjacent elastic hanging parts 50, and then the end connection segments 31 and the hanging segments are suspended in the inner cavity of the treatment chamber 20 by the elastic hanging parts 50. The touch segment 33 is fixedly connected to the side of the adjacent hanging segment 32 facing away from the end connection segment 31, and the cam 70 can touch and push the touch segment 33 during the rotation process, and can rotate to separate from the contact, so that the hanging segment 32 can compress or stretch the elastic hanging part 50 to cause it to deform. The middle connecting section 35 is arranged between the two end connecting sections 31, and a plurality of array connecting sections 34 are distributed between the middle connecting section 35 and the end connecting section 31. Two adjacent array connecting sections 34, the middle connecting section 35 and the adjacent array connecting section 34, and the end connecting section 31 and the adjacent array connecting section 34 are all connected through the filter section 36. The filter section 36 is arranged as a non-woven fabric structure with a porous structure on the outer wall, and the filter section 36 is surrounded in a cylindrical shape with two ends open. A fixing ring for connecting with the end connecting section 31, the array connecting section 34 or the middle connecting section 35 is fixedly connected at both ends of the filter section 36, so that the filter section 36 can be stably connected and fixed with the end connecting section 31, the array connecting section 34 and the middle connecting section 35, and when in use, the smoke input into the processing chamber 20 can flow into the filter section 36, and dust and impurities can be trapped outside the filter section 36. The end connecting section 31, the array connecting section 34 and the middle connecting section 35 are all sealed and connected with the adjacent filter sections 36 to prevent the smoke from flowing into the filter sections 36 without being filtered from the connecting gap. The smoke exhaust pipe 37 is connected and arranged on the outer wall of the middle connecting section 35, and the end of the smoke exhaust pipe 37 facing away from the middle connecting section 35 passes through the outside of the treatment chamber 20, so that the smoke that is dust-removed and purified by the filter sections 36 can be discharged from the smoke exhaust pipe 37. The smoke exhaust pipe 37 includes two sections of rigid pipes and one section of soft pipe, and the two ends of the soft pipe are respectively connected and fixed to the opposite ends of the two sections of rigid pipes, and the two sections of rigid pipes are respectively fixedly connected to the middle connecting section 35 and the inner wall of the treatment chamber 20, so that the elastic hanger 50 is deformed, and the smoke filter assembly 30 is prevented from being interfered by the smoke exhaust pipe 37 when it shakes. The rigid pipe can be a hard plastic pipe or a metal pipe, and the soft pipe can be a rubber hose or a corrugated pipe.

[0027] In this embodiment, the elastic hanger 50 can be implemented by structures such as springs, elastic ropes, etc., and a multi-section elastic hanger 50 is used to support the flue gas filter assembly 30, so that when flue gas is not input into the treatment chamber 20 and there is no external force, the multi-section elastic hanger 50 does not produce a large deformation.

[0028] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described one by one here. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. An environmental protection treatment device for boiler flue gas, comprising a treatment chamber (20) and a flue gas inlet pipe (10) connected to the treatment chamber (20), characterized in that: It also includes a smoke filter assembly (30) and a plurality of elastic hangers (50), wherein the plurality of elastic hangers (50) are arranged at both ends of the smoke filter assembly (30), and the plurality of elastic hangers (50) hang the smoke filter assembly (30) in the inner cavity of the processing chamber (20). The smoke filter assembly (30) comprises two end connection sections (31), two hanging sections (32), a plurality of array connection sections (34), a middle connection section (35), a plurality of filter sections (36) and a smoke exhaust pipe (37), wherein the two end connection sections (31) are symmetrically arranged at two ends of the inner cavity of the processing chamber (20), the two hanging sections (32) are respectively formed on opposite sides of the two end connection sections (31), and the hanging sections (32) are fixedly connected to adjacent elastic hanging pieces (50), and the middle connection section (35) is arranged at the two end connection sections. The plurality of array connection segments (34) are distributed between the middle connection segment (35) and the end connection segment (31); two adjacent array connection segments (34), the middle connection segment (35) and the adjacent array connection segments (34), and the end connection segment (31) and the adjacent array connection segments (34) are connected via a filter segment (36); the smoke exhaust pipe (37) is arranged on the outer wall of the middle connection segment (35), and one end of the smoke exhaust pipe (37) facing away from the middle connection segment (35) passes through to the outside of the treatment chamber (20).

2. The environmental protection treatment device for boiler flue gas according to claim 1 is characterized in that: The smoke exhaust pipe (37) comprises two sections of rigid pipes and a section of flexible pipe, the two ends of the flexible pipe are respectively connected and fixed to the opposite ends of the two sections of rigid pipes, and the two sections of rigid pipes are respectively fixedly connected to the middle connecting section (35) and the inner wall of the processing chamber (20).

3. The environmental protection treatment device for boiler flue gas according to claim 1 is characterized in that: The end connecting section (31), the array connecting section (34) and the middle connecting section (35) are all sealedly connected to adjacent filtering sections (36).

4. The environmental protection treatment device for boiler flue gas according to claim 3 is characterized in that: The filter section (36) is configured as a non-woven fabric structure with a porous outer wall, and the filter section (36) is formed into a cylindrical shape with two ends open, and fixed rings for connecting to the end connecting section (31), the array connecting section (34) or the middle connecting section (35) are fixedly connected at both ends of the filter section (36).

5. The environmental protection treatment device for boiler flue gas according to claim 1 is characterized in that: The flue gas input pipe (10) comprises an air inlet pipe (11), a flow diversion pipe (12) and a plurality of outlet pipes (13); the lower end of the flue gas input pipe (10) is connected to the middle of the flow diversion pipe (12); the plurality of outlet pipes (13) are all connected and arranged below the flow diversion pipe (12); the lower ends of the plurality of outlet pipes (13) extend into the inner cavity of the processing chamber (20) and are fixedly connected thereto; the plurality of outlet pipes (13) are arranged in an array along the length direction of the flue gas filter assembly (30).

6. The environmental protection treatment device for boiler flue gas according to claim 1 is characterized in that: The smoke filter assembly (30) further comprises one or two contact sections (33), wherein the contact section (33) is fixedly connected to a surface of the adjacent hanging section (32) which faces away from the end connection section (31), and a motor (60) is fixedly mounted on a side surface of the processing chamber (20), wherein an output end of the motor (60) extends into the processing chamber (20) and is connected to a cam (70), and the cam (70) is rotatably arranged directly below the contact section (33).

7. The environmental protection treatment device for boiler flue gas according to claim 1 is characterized in that: A bracket (40) is welded and fixed to the bottom of the processing chamber (20), and an ash cleaning port is formed above the lower end surface of the processing chamber (20), and a cover plate is detachably provided at the ash cleaning port.

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