Smoke comprehensive utilization haze removal system

By introducing a heat recovery chamber and a thermoelectric converter into the flue gas haze removal system, and combining the design of the smoke conduction chamber and filter net, the problems of multiple equipment and high energy consumption in the existing system are solved, and the system is realized Simplified and efficient haze removal and ingredient recycling.

CN119303399AActive Publication Date: 2025-01-14ANHUI DEYUAN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202411727614.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-01-14
Estimated Expiration
2044-11-28

AI Technical Summary

Technical Problem

The existing flue gas comprehensive utilization haze removal system has many equipment, is troublesome to install and maintain, and has high operating energy consumption.

Method used

A comprehensive use of smoke haze removal system for flue gas is designed, including smoke inlet assembly, shunt assembly, filter assembly and purification assembly. The heat recovery chamber and thermoelectric converter are set up in the smoke inlet pipe to reduce external energy consumption. The dust is divided and filtered by using the smoke guide cavity and the filter net, and the flue gas is purified by filling materials and spray heads to achieve the recycling of useful ingredients.

Benefits of technology

The system structure is simplified, the failure rate and maintenance difficulty are reduced, the heat recovery of flue gas is achieved, energy consumption is reduced, and the haze is effectively removed and the useful components in the flue gas are recovered.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a smoke comprehensive utilization haze removal system, and relates to the technical field of smoke treatment, the smoke comprehensive utilization haze removal system comprises a smoke inlet pipe, one end of the smoke inlet pipe is fixedly connected with a bending pipe which is bent upwards, one end of the bending pipe is fixedly connected with a conveying pump, the middle part of the smoke inlet pipe is fixedly connected with a partition plate, and the partition plate is fixedly connected with a smoke outlet. A smoke inlet cavity is formed in the side, away from the heat conduction plate, of the partition plate, a heat return cavity is formed in the side, close to the heat conduction plate, of the partition plate, and two sets of symmetrically-arranged thermoelectric converters are fixedly installed in the heat return cavity. The flue gas heat recovery device is simple in overall structure, few in power equipment, low in failure rate and convenient to install and maintain, meanwhile, the flue gas inlet assembly converts heat into electric energy in the flue gas flowing process by arranging the heat return cavity and the thermoelectric converters in the flue gas inlet pipe, the electric energy is used for overall operation of the device, flue gas heat recovery is achieved, and the flue gas heat recovery efficiency is improved. And the external energy consumption is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of flue gas treatment, in particular to a flue gas comprehensive utilization and haze removal system. Background Art

[0002] The flue gas comprehensive utilization and haze removal system is a general term for a series of devices and equipment used to purify the flue gas generated in industrial production or combustion processes, and comprehensively utilize the useful components therein, while reducing the emission of atmospheric pollutants, in order to achieve the purpose of removing haze and improving air quality.

[0003] The existing flue gas haze removal system consumes a lot of energy to drive key components such as fans, pumps, dust collectors, desulfurization equipment, etc. The system as a whole contains many devices, which is troublesome to install and maintain, and the overall operating energy consumption is also high, so it is necessary to propose improvements. Summary of the invention

[0004] The purpose of the present invention is to provide a flue gas comprehensive utilization and haze removal system to solve the problems of the prior art system mentioned in the above background technology, that is, the overall equipment of the system is multi-installed, the installation and maintenance are relatively troublesome, and the overall operating energy consumption is high. Therefore, it is necessary to propose improvements.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A flue gas comprehensive utilization and haze removal system, comprising a smoke inlet assembly, the smoke inlet assembly comprising a smoke inlet pipe, one end of the smoke inlet pipe is fixedly connected to a bent pipe bent upward, one end of the bent pipe is fixedly connected to a delivery pump, an output end of the delivery pump is provided with a diverter assembly, one side of the diverter assembly is provided with a filter assembly, and one end of the filter assembly is provided with a purification assembly;

[0007] The bottom of the diversion component and the bottom of the filter component are fixedly connected to the top of the smoke inlet pipe through a heat conduction plate, a partition plate is fixedly connected to the middle of the smoke inlet pipe, a smoke inlet chamber is arranged on the side of the partition plate away from the heat conduction plate, a heat recovery chamber is arranged on the side of the partition plate close to the heat conduction plate, two groups of symmetrically arranged thermoelectric converters are fixedly installed inside the heat recovery chamber, and one side of the two groups of thermoelectric plates are respectively arranged toward the smoke inlet chamber and the heat conduction plate; an air inlet is opened at the top of one side of the smoke inlet chamber, an air guide frame is fixedly connected to the other side of the smoke inlet chamber, a fan is fixedly installed inside the air guide frame, an air outlet is opened on the top of the air guide frame, and dust screening nets are fixedly connected to the inner walls of the air inlet and the air outlet.

[0008] As a further solution of the present invention: the diversion assembly includes a diversion box, one end of which is fixedly connected to the output end of the delivery pump through a delivery pipe, a smoke guide cavity is provided on the inner wall of the diversion box close to the delivery pipe, and a dust box is snap-connected to the bottom of the smoke guide cavity.

[0009] As a further solution of the present invention: a dust filter chamber is arranged on the other side of the inner wall of the diverter box, and a plurality of inclined receiving filters are fixedly connected to the inner wall of the dust filter chamber.

[0010] As a further solution of the present invention: the filter assembly includes a filter flue, a plurality of flue filter screens are snap-connected to the middle of the filter flue, a lifting plate is fixedly connected to the top of the plurality of flue filter screens, and one end of the filter duct is connected to a diversion box.

[0011] As a further solution of the present invention: a receiving cover plate is fixedly connected to one end of the inner wall of the filtering flue, the top of the receiving cover plate is recessed downward to provide a receiving groove, a water collecting port is opened in the middle of the receiving groove, a liquid collecting pipe is fixedly connected to one side of the receiving cover plate, and the upper part of the receiving groove is arranged corresponding to the bottom of the purification component; a smoke guide plate is fixedly connected to the side of the receiving cover plate close to the diversion box.

[0012] As a further solution of the present invention: the purification component includes a purification tower, a plurality of filling racks are fixedly installed in the middle of the inner wall of the purification tower, the inner walls of the plurality of filling racks are filled with fillers, and a smoke exhaust pipe is fixedly connected to the top of the purification tower.

[0013] As a further solution of the present invention: a smoke inlet hood is fixedly connected to the bottom of the purification tower, a smoke inlet opening is opened in the middle of the smoke inlet hood, the bottom of the smoke inlet opening is arranged corresponding to the top of the receiving groove, a spray pipe is fixedly connected to the middle of the filling rack, an upper spray plate is fixedly connected to the top of the spray pipe, a lower spray plate is fixedly connected to the middle of the spray pipe, and a plurality of spray heads are fixedly installed on the edges of the upper spray plate and the lower spray plate.

[0014] As a further solution of the present invention: a heat-conducting cover is arranged in the middle of the smoke exhaust pipe, the bottom of the heat-conducting cover is fixedly connected to the smoke inlet pipe, and the middle of the smoke exhaust pipe is bent and coiled and fixedly connected in the heat-conducting cover.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a simple overall structure, less power equipment, low failure rate, and convenient installation and maintenance. At the same time, the smoke inlet assembly of the present invention converts heat into electrical energy during the flow of smoke by arranging a heat recovery chamber and a plurality of thermoelectric converters in the smoke inlet pipe, which is used for the operation of the entire device, thereby realizing the recovery of smoke heat and reducing energy consumption from the outside.

[0016] In order to effectively remove haze from smoke, the filter assembly of the present invention is provided with a smoke guide cavity and a dust collecting box to divert part of the dust and impurity particles at the bottom of the smoke, so that the dust and impurity particles fall into the dust collecting box for easy cleaning and discharge; in the process of the smoke going down along the smoke guide cavity and flowing out from the diversion to the bottom, most of the smoke and dust particles will continue to rush forward for a distance by inertia, and then be filtered and intercepted by a number of receiving filter screens;

[0017] The purification component of the present invention is provided with several groups of fillers to react and adsorb the flue gas, and at the same time, a treatment agent is sent out through several spray heads to purify the flue gas and react with the flue gas to produce droplets, and the droplets obtained by the reaction are recovered in conjunction with structures such as a receiving tank provided below the purification component, so as to facilitate the utilization of compounds with recovery value in the flue gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 is a cross-sectional view of the smoke inlet pipe of the present invention;

[0020] Figure 3 is a cross-sectional view of the flow diversion component of the present invention;

[0021] Figure 4 is a cross-sectional view of the filter assembly of the present invention;

[0022] Figure 5 It is a cross-sectional view of the purification component of the present invention.

[0023] In the figure: 1. Smoke inlet assembly; 101. Smoke inlet pipe; 102. Smoke inlet chamber; 103. Partition plate; 104. Thermoelectric converter; 105. Heat recovery chamber; 106. Air inlet; 107. Air guide frame; 108. Air outlet; 109. Bend pipe; 110. Delivery pump; 111. Heat conduction plate; 2. Diverter assembly; 201. Diverter box; 202. Delivery pipe; 203. Receiver filter; 204. Smoke guide chamber; 205. Dust collector Box; 3, purification component; 301, purification tower; 302, filling rack; 303, filling; 304, spray pipe; 305, lower spray plate; 306, upper spray plate; 307, smoke exhaust pipe; 308, smoke inlet hood; 309, heat conduction hood; 4, filter component; 401, filter flue; 402, receiving cover plate; 403, water collection port; 404, liquid collecting pipe; 405, smoke guide plate; 406, flue filter; 407, lifting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1 In an embodiment of the present invention, a flue gas comprehensive utilization and haze removal system includes a smoke inlet component 1, the smoke inlet component 1 includes a smoke inlet pipe 101, the smoke inlet pipe 101 is set to be flat, so as to obtain the maximum heat exchange contact surface, and to facilitate the installation between other equipment and the smoke inlet pipe 101; one end of the smoke inlet pipe 101 is fixedly connected to a bent pipe 109 bent upward, and one end of the bent pipe 109 is fixedly connected to a delivery pump 110, and the suction action of the delivery pump 110 provides power for the flow of smoke;

[0026] See also Figure 2 A partition plate 103 is fixedly connected to the middle of the smoke inlet pipe 101, a smoke inlet chamber 102 is arranged on the side of the partition plate 103 away from the heat conducting plate 111, a heat recovery chamber 105 is arranged on the side of the partition plate 103 close to the heat conducting plate 111, and two groups of symmetrically arranged thermoelectric converters 104 are fixedly installed inside the heat recovery chamber 105. In this embodiment, the thermoelectric converter 104 adopts a thermoelectric sheet, and one side of the two groups of thermoelectric sheets is arranged toward the smoke inlet chamber 102 and the heat conducting plate 111 respectively; by arranging the heat recovery chamber 105 in the smoke inlet pipe 101, the heat of the smoke is recovered during the flow of the smoke, and the heat is converted into electrical energy by the thermoelectric converter 104 for use in the operation of the entire equipment;

[0027] In order to increase the temperature difference at both ends of the thermoelectric plate and thus improve the thermoelectric conversion efficiency, an air inlet 106 is provided at the top of one side of the smoke inlet chamber 102, and an air guide frame 107 is fixedly connected to the other side of the smoke inlet chamber 102. A guide fan is fixedly installed inside the air guide frame 107, and an air outlet 108 is provided at the top of the air guide frame 107. The inner walls of the air inlet 106 and the air outlet 108 are fixedly connected with a dust screening net. When the guide fan is started, the air flow is driven to flow between the two groups of thermoelectric converters 104 to reduce the temperature; when necessary, the part outside the outlet of the smoke inlet pipe 101 can be placed in cooling water as a whole, and the cooling water is heated by the flue gas temperature to achieve heat recovery; the guide fan may also be omitted, and the cooling water may be introduced through the air inlet 106 and then sent out through the air outlet 108, and the cooling water may be heated by the heat recovery chamber 105. At the same time, the introduction of the cooling water may cool the thermoelectric plate, thereby increasing the temperature difference on both sides of the thermoelectric plate and improving the power generation efficiency.

[0028] See also Figure 3In order to achieve preliminary separation of large dust particles and other impurities mixed in the flue gas, a diversion component 2 is provided at the output end of the delivery pump 110, and the bottom of the diversion box 201 is fixedly connected to the top of the smoke inlet pipe 101 through the heat conduction plate 111; the diversion component 2 includes a diversion box 201, one end of the diversion box 201 is fixedly connected to the output end of the delivery pump 110 through the delivery pipe 202, and a smoke guide cavity 204 is provided on the inner wall of the diversion box 201 close to the delivery pipe 202, and a dust box 205 is snap-connected at the bottom of the smoke guide cavity 204. A smoke guide chamber 204 and a dust collecting box 205 are arranged to divert some dust and impurity particles at the bottom of the smoke and make them fall into the dust collecting box 205 for easy cleaning and discharge; a dust filter chamber is arranged on the other side of the inner wall of the diversion box 201, and a plurality of inclined receiving filters 203 are fixedly connected to the inner wall of the dust filter chamber; in the process of the smoke descending along the smoke guide chamber 204 and flowing out from the bottom of the diversion box 201, most of the smoke and dust particles therein will continue to rush forward for a distance due to inertia, and then be filtered and intercepted by a plurality of receiving filters 203.

[0029] See also Figure 4 A filter assembly 4 is provided on one side of the diversion assembly 2, and the filter assembly 4 includes a filter flue 401. A plurality of flue filters 406 are snap-connected in the middle of the filter flue 401, and a lifting plate 407 is fixedly connected to the top of the plurality of flue filters 406, so as to facilitate the removal of the flue filters 406 for replacement and cleaning; one end of the filter air duct is connected to the diversion box 201, and the bottom of the filter air duct is fixedly connected to the top of the smoke inlet pipe 101 through the heat conduction plate 111, so as to facilitate the heat of the filter air duct to be introduced into the smoke inlet pipe 101 for heat recovery.

[0030] See also Figure 4 and Figure 5 A purification component 3 is arranged at one end of the filter component 4; the purification component 3 includes a purification tower 301, and a plurality of filler racks 302 are fixedly installed in the middle of the inner wall of the purification tower 301, and the inner walls of the plurality of filler racks 302 are filled with fillers 303, and the fillers 303 of the filler racks 302 are used to filter and purify the passing flue gas.

[0031] See also Figure 5 A smoke inlet hood 308 is fixedly connected to the bottom of the purification tower 301, a smoke inlet opening is opened in the middle of the smoke inlet hood 308, the bottom of the smoke inlet opening is arranged corresponding to the top of the receiving groove, a spray pipe 304 is fixedly connected to the middle of the filling frame 302, an upper spray plate 306 is fixedly connected to the top of the spray pipe 304, a lower spray plate 305 is fixedly connected to the middle of the spray pipe 304, and a plurality of spray heads are fixedly installed on the edges of the upper spray plate 306 and the lower spray plate 305; a treatment agent is delivered through the plurality of spray heads to purify the flue gas, and reacts with the flue gas to produce droplets, so as to realize the recovery of the target compounds contained in the flue gas.

[0032] See also Figure 4 In order to recycle the droplets obtained by the reaction, a receiving cover plate 402 is fixedly connected to one end of the inner wall of the filtering flue 401. The top of the receiving cover plate 402 is recessed downward and is provided with a receiving groove. A water collecting port 403 is provided in the middle of the receiving groove. A liquid collecting pipe 404 is fixedly connected to one side of the receiving cover plate 402. The upper part of the receiving groove is arranged corresponding to the bottom of the purification component 3. A smoke guide plate 405 is fixedly connected to one side of the receiving cover plate 402 close to the diversion box 201. The top of the smoke guide plate 405 is inclined to facilitate the smoke to move upward along the smoke guide plate 405 and enter the purification tower 301.

[0033] See also Figure 1 In order to fully recover the residual heat in the flue gas, a smoke exhaust pipe 307 is fixedly connected to the top of the purification tower 301, and a heat conductive cover 309 is arranged in the middle of the smoke exhaust pipe 307. The bottom of the heat conductive cover 309 is fixedly connected to the smoke inlet pipe 101, and the middle part of the smoke exhaust pipe 307 is bent and coiled and fixedly connected to the heat conductive cover 309.

[0034] When the present invention is used, smoke is sent into the smoke inlet chamber 102 of the smoke inlet pipe 101, and the smoke flow is driven by starting the delivery pump 110; when the smoke flows through the smoke inlet pipe 101, the heat in the smoke heats up the thermoelectric sheet in the heat recovery chamber 105 facing the smoke inlet chamber 102, generating a temperature difference on both sides of the thermoelectric sheet, thereby generating electric energy;

[0035] When the smoke is pumped by the delivery pump 110 and enters the diversion box 201 through the delivery pipe 202, some of the larger dust particles at the bottom of the smoke fall into the dust box 205, and some smoke dust particles rush forward a distance under the action of inertia, and then are filtered and intercepted by a number of receiving filters 203;

[0036] Then the flue gas enters the filtering air duct along the smoke guide cavity 204, is filtered through several flue filter screens 406, and enters the purification tower 301 through the smoke inlet hood 308. After the adsorption reaction by the filler 303, the treatment agent is sent to the spray pipe 304 by the external liquid pump and the liquid pipe, and then sent out by several spray heads on the upper spray plate 306 and the lower spray plate 305 to purify the flue gas and react with the flue gas to produce droplets, so as to recover the compounds with recovery value contained in the flue gas. The droplets obtained by the reaction fall into the receiving tank, and flow from the receiving interface to the bottom of the receiving cover plate 402, and are discharged and collected through the liquid collecting pipe 404. The treated flue gas is discharged from the exhaust pipe 307, and the residual heat is recovered through heat conduction between the heat conductive hood 309 and the smoke inlet pipe 101 during the discharge process.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A flue gas comprehensive utilization and haze removal system, characterized in that: It comprises a smoke inlet pipe (101), one end of the smoke inlet pipe (101) is fixedly connected to a bent pipe (109), one end of the bent pipe (109) is fixedly connected to a delivery pump (110), an output end of the delivery pump (110) is provided with a flow splitter component (2), one side of the flow splitter component (2) is provided with a filter component (4); one end of the filter component (4) is provided with a purification component (3); The bottom of the flow diversion component (2) and the bottom of the filter component (4) are both fixedly connected to the top of the smoke inlet pipe (101) via a heat conduction plate (111); a partition plate (103) is fixedly connected to the middle of the smoke inlet pipe (101); a smoke inlet chamber (102) is arranged on the side of the partition plate (103) away from the heat conduction plate (111); a heat recovery chamber (105) is arranged on the side of the partition plate (103) close to the heat conduction plate (111); and two groups of symmetrically arranged thermoelectric converters (104) are fixedly installed inside the heat recovery chamber (105).

2. The flue gas comprehensive utilization and haze removal system according to claim 1 is characterized in that: An air inlet (106) is provided at the top of one side of the smoke inlet chamber (102), and an air guide frame (107) is fixedly connected to the other side of the smoke inlet chamber (102). A fan guide is fixedly installed inside the air guide frame (107), and an air outlet (108) is provided at the top of the air guide frame (107). The inner walls of the air inlet (106) and the air outlet (108) are fixedly connected with dust screens.

3. The flue gas comprehensive utilization and haze removal system according to claim 1 is characterized in that: The diversion assembly (2) comprises a diversion box (201), one end of which is fixedly connected to the output end of the delivery pump (110) via a delivery pipe (202), a smoke guide cavity (204) is provided on the inner wall of the diversion box (201) close to the delivery pipe (202), and a dust collection box (205) is snap-connected to the bottom of the smoke guide cavity (204).

4. The flue gas comprehensive utilization and haze removal system according to claim 3 is characterized in that: A dust filter chamber is provided on the other side of the inner wall of the diversion box (201), and a plurality of inclined receiving filter screens (203) are fixedly connected to the inner wall of the dust filter chamber.

5. The flue gas comprehensive utilization and haze removal system according to claim 1 is characterized in that: The filter assembly (4) comprises a filter flue (401), a plurality of flue filter screens (406) being snap-connected to the middle of the filter flue (401), and a lifting plate (407) being fixedly connected to the tops of the plurality of flue filter screens (406).

6. The flue gas comprehensive utilization and haze removal system according to claim 5 is characterized in that: A receiving cover plate (402) is fixedly connected to one end of the inner wall of the filtering flue (401); a receiving groove is provided at the top of the receiving cover plate (402) and is recessed downward; a water collecting port (403) is provided in the middle of the receiving groove; a liquid collecting pipe (404) is fixedly connected to one side of the receiving cover plate (402); and the upper part of the receiving groove is arranged corresponding to the bottom of the purification component (3).

7. The flue gas comprehensive utilization and haze removal system according to claim 6 is characterized in that: A smoke guide plate (405) is fixedly connected to one side of the receiving cover plate (402) close to the diversion box (201).

8. The flue gas comprehensive utilization and haze removal system according to claim 1 is characterized in that: The purification component (3) comprises a purification tower (301), a plurality of filling racks (302) are fixedly installed in the middle of the inner wall of the purification tower (301), the inner walls of the plurality of filling racks (302) are filled with fillings (303), and a smoke exhaust pipe (307) is fixedly connected to the top of the purification tower (301).

9. The flue gas comprehensive utilization and haze removal system according to claim 8, characterized in that: The bottom of the purification tower (301) is fixedly connected to a smoke inlet hood (308), a smoke inlet opening is opened in the middle of the smoke inlet hood (308), the bottom of the smoke inlet opening is arranged corresponding to the top of the receiving groove, the middle of the filling frame (302) is fixedly connected to a spray pipe (304), the top of the spray pipe (304) is fixedly connected to an upper spray plate (306), the middle of the spray pipe (304) is fixedly connected to a lower spray plate (305), and a plurality of spray heads are fixedly installed on the edges of the upper spray plate (306) and the lower spray plate (305).

10. The flue gas comprehensive utilization and haze removal system according to claim 8, characterized in that: A heat-conducting cover (309) is provided in the middle of the smoke exhaust pipe (307), and the bottom of the heat-conducting cover (309) is fixedly connected to the smoke inlet pipe (101).

Citation Information

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