Household garbage incineration equipment with flue gas purification structure

Abstract

The utility model discloses household garbage incineration equipment with a flue gas purification structure, and belongs to the field of garbage incineration equipment. The household garbage incineration equipment with the flue gas purification structure comprises an incinerator, a feeding pipe fixedly arranged on one side of the incinerator, a feeding opening formed in the top of the feeding pipe, a conveying assembly located in the feeding pipe and a conveying pipe fixedly installed on the side, away from the feeding pipe, of the incinerator. The household garbage incineration equipment further comprises a purification structure arranged on the side, away from the incinerator, of the conveying pipe, and the purification structure comprises a spraying box fixedly installed on the side, away from the incinerator, of the conveying pipe. The gas circulation assembly and the fixed circulation assembly are used for conducting solid-state circulation detection on smoke and impurities generated after household garbage incineration till exhausted gas is qualified, and the environmental protection rate is increased.

Description

Technical Field

[0001] The utility model relates to the field of garbage incineration equipment, in particular to a domestic garbage incineration equipment with a flue gas purification structure. Background Art

[0002] Waste incineration equipment is a type of equipment used for centralized treatment of domestic waste. Regular domestic waste incineration uses a dedicated incinerator. Domestic waste burns in the furnace and turns into waste gas which enters the secondary combustion chamber and is burned again before being discharged.

[0003] Chinese patent publication number CN107062254A discloses a domestic waste incineration device. The domestic waste incineration device can make the waste enter the incineration tank evenly through a feeding device. It can not only continuously incinerate the waste and make the combustion more complete, but the patent is not thorough enough in treating the flue gas after combustion, and it is difficult to achieve reasonable purification of the combustion flue gas, which easily causes the flue gas to be directly discharged and pollute the environment.

[0004] Therefore, the utility model provides a domestic waste incineration device with a flue gas purification structure to solve the above problems. Summary of the Invention

[0005] (1) Technical problems solved

[0006] The utility model provides a domestic waste incineration device with a flue gas purification structure, which aims to solve the problems raised in the background technology that the existing domestic waste incineration equipment is not thorough enough in treating the flue gas after combustion, it is difficult to achieve reasonable purification of the combustion flue gas, and it is easy to cause the flue gas to be directly discharged and pollute the environment.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a domestic waste incineration equipment with a flue gas purification structure, comprising an incinerator, a feed pipe fixedly arranged on one side of the incinerator, a feed port arranged on the top of the feed pipe, a conveying assembly located inside the feed pipe, and a conveying pipe fixedly installed on the side of the incinerator away from the feed pipe, the domestic waste incineration equipment also includes a purification structure arranged on the side of the conveying pipe away from the incinerator; when in use, the domestic waste to be processed is first introduced into the incinerator through the feed port on the feed pipe for waste incineration, and the flue gas generated after incineration is transported through the conveying pipe. In order to avoid the flue gas being directly transmitted to the outside and affecting the air quality, the generated flue gas can be purified by the purification structure.

[0009] In order to achieve reasonable purification of flue gas; the purification structure includes a spray box fixedly installed on the side of the conveying pipe away from the incinerator, a spray head fixedly installed on the top of the spray box for spraying purification liquid, an activated carbon filter layer arranged on the top of the spray box, a gas pipe fixedly arranged on one side of the spray box and connected to the activated carbon filter layer, a first solenoid valve fixedly arranged on the gas pipe, an exhaust pipe fixedly installed on the top of the spray box and connected to the activated carbon filter layer, and a gas circulation component arranged on the exhaust pipe; the flue gas first enters the spray box, and is sprayed with chemical reagents through the spray head to cause a chemical reaction in the flue gas, so that large particles of impurities inside fall to the bottom of the spray box, and the gas is output from the top gas pipe into the activated carbon filter layer for gas filtration. The filtered gas is detected and circulated through the gas circulation component. When the gas meets the atmospheric emission standards, it can be discharged through the exhaust pipe.

[0010] Preferably, in order to ensure the quality of the exhaust gas, a partition is fixedly provided on the side of the spray box close to the activated carbon filter layer, a through hole is opened on the partition, and the spray box and the activated carbon filter layer are separated by the partition; the gas can be detected by a smoke detector, and when the detection is qualified.

[0011] Preferably, in order to achieve qualified exhaust of flue gas, the gas circulation component includes a flue gas detector fixedly arranged on the exhaust pipe, a circulation pipe connected to the exhaust pipe, and a second solenoid valve and a third solenoid valve fixedly arranged on the exhaust pipe close to one end of the circulation pipe and on the circulation pipe, respectively. The end of the circulation pipe away from the exhaust pipe is connected to the spray box. The gas is discharged from the exhaust pipe by opening the second solenoid valve. When the detection is unqualified, the third solenoid valve is opened to allow the gas to enter the circulation pipe, and then enter the inside of the spray box for re-purification. This cycle is repeated until the gas is discharged after passing the detection.

[0012] Preferably, in order to achieve the treatment of solid impurities, the purification structure further includes a solid circulation component arranged at the bottom of the spray box; the solid waste can be circulated through the solid circulation component.

[0013] Preferably, in order to recycle and incinerate solid waste, the solid circulation component includes a dust collection head arranged in the spray box below the spray head and a dust collection pipe fixedly installed on the dust collection head and connected to the incinerator; the fixed garbage at the bottom of the spray box is transported along the dust collection pipe into the incinerator by utilizing the dust collection head for re-incineration, thereby forming a circulation process to realize the treatment of solid waste.

[0014] Preferably, in order to realize the rapid transmission of garbage into the incinerator during feeding, the conveying component includes a threaded auger rotatably arranged inside the feeding pipe for transmitting materials, and a servo motor fixedly arranged on the feeding pipe and connected to the output end of the threaded auger; the transmission can be carried out through the conveying component, and the threaded auger is started by the servo motor, thereby achieving reasonable transmission of the garbage.

[0015] (3) Beneficial effects

[0016] The domestic waste incineration equipment with a flue gas purification structure is equipped with a purification structure and utilizes a gas circulation component and a fixed circulation component to perform solid-state circulation detection on the flue gas and impurities generated after the incineration of domestic waste until the exhaust gas is qualified, thereby improving the environmental protection rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of a domestic waste incineration equipment with a flue gas purification structure;

[0018] Figure 2 A schematic diagram of the structure of part of a domestic waste incineration device with a flue gas purification structure;

[0019] Figure 3 This is a schematic cross-sectional view of a domestic waste incineration device with a flue gas purification structure;

[0020] Figure 4 This is a structural schematic diagram of a conveying component of a domestic waste incineration device with a flue gas purification structure.

[0021] In the picture:

[0022] 1. Incinerator;

[0023] 2. Feed pipe; 21. Feed port;

[0024] 22. Conveying assembly; 221. Threaded auger; 222. Servo motor;

[0025] 3. Delivery pipe;

[0026] 4. Purification structure; 41. Spray box; 42. Spray head;

[0027] 43. Gas transmission pipe; 431. First solenoid valve;

[0028] 44. Activated carbon filter layer; 45. Exhaust pipe;

[0029] 46. ​​Gas circulation assembly; 461. Second solenoid valve; 463. Circulation pipe; 464. Third solenoid valve; 465. Smoke detector;

[0030] 47. Solid circulation assembly; 471. Dust collector head; 472. Dust collector tube. DETAILED DESCRIPTION

[0031] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0032] The utility model provides a domestic waste incineration device with a flue gas purification structure, such as Figure 1-4 As shown, the domestic waste incineration equipment with a flue gas purification structure includes an incinerator 1, a feed pipe 2 fixedly arranged on one side of the incinerator 1, a feed port 21 arranged on the top of the feed pipe 2, a conveying assembly 22 located inside the feed pipe 2, and a conveying pipe 3 fixedly installed on the side of the incinerator 1 away from the feed pipe 2. The domestic waste incineration equipment also includes a purification structure 4 arranged on the side of the conveying pipe 3 away from the incinerator 1. The purification structure 4 includes a spray box 41 fixedly installed on the side of the conveying pipe 3 away from the incinerator 1, and a spraying liquid fixedly installed on the top of the spray box 41 for spraying A spray head 42, an activated carbon filter layer 44 arranged on the top of the spray box 41, an air supply pipe 43 fixedly arranged on one side of the spray box 41 and connected to the activated carbon filter layer 44, a first solenoid valve 431 fixedly arranged on the air supply pipe 43, an exhaust pipe 45 fixedly installed on the top of the spray box 41 and connected to the activated carbon filter layer 44, and a gas circulation component 46 arranged on the exhaust pipe 45. A partition is fixedly arranged on one side of the spray box 41 close to the activated carbon filter layer 44, and a through hole is opened on the partition. The spray box 41 and the activated carbon filter layer 44 are separated by the partition.

[0033] During use, the domestic garbage to be processed is first introduced into the incinerator 1 through the feed port 21 on the feed pipe 2 for garbage incineration. The flue gas generated after incineration is transported through the delivery pipe 3. In order to prevent the flue gas from being directly transmitted to the outside and affecting the air quality, the generated flue gas can be purified by the purification structure 4. The flue gas first enters the spray box 41 and is sprayed with chemical reagents through the spray head 42 to cause a chemical reaction in the flue gas, so that the large particles of impurities inside fall to the bottom of the spray box 41. The gas is output from the top gas pipe 43 into the activated carbon filter layer 44 for gas filtration. The filtered gas is detected and circulated through the gas circulation component 46. When the gas meets the atmospheric emission standards, it can be discharged through the exhaust pipe 45.

[0034] Specifically, the gas circulation component 46 includes a smoke detector 465 fixedly mounted on the exhaust pipe 45, a circulation pipe 463 connected to the exhaust pipe 45, and a second solenoid valve 461 and a third solenoid valve 464 respectively fixedly mounted on one end of the exhaust pipe 45 close to the circulation pipe 463 and on the circulation pipe 463. The end of the circulation pipe 463 away from the exhaust pipe 45 is connected to the spray box 41. In order to ensure the quality of the exhaust gas, the gas can be detected by the smoke detector 465. When the test is qualified, the gas is discharged from the exhaust pipe 45 by opening the second solenoid valve 461. When the test is unqualified, the third solenoid valve 464 is opened to allow the gas to enter the circulation pipe 463 and then enter the interior of the spray box 41 for re-purification. This cycle is repeated until the gas is discharged after the test is qualified.

[0035] In order to achieve the treatment of solid impurities, the purification structure 4 further includes a solid circulation component 47 arranged at the bottom of the spray box 41; the solid circulation component 47 can be used to circulate the fixed waste.

[0036] The solid circulation component 47 includes a dust collection head 471 arranged in the spray box 41 below the spray head 42 and a dust collection pipe 472 fixedly mounted on the dust collection head 471 and connected to the incinerator 1; by utilizing the dust collection head 471, the fixed garbage at the bottom of the spray box 41 is transported along the dust collection pipe 472 into the incinerator 1 for re-incineration, thereby forming a circulation process to realize the treatment of solid garbage.

[0037] Furthermore, the conveying component 22 includes a threaded auger 221 rotatably arranged inside the feed pipe 2 for conveying materials, and a servo motor 222 fixedly arranged on the feed pipe 2 and connected to the output end of the threaded auger 221; in order to quickly convey the garbage into the incinerator 1 during feeding, the conveying component 22 can be used for transmission, and the servo motor 222 drives the threaded auger 211 to start, thereby achieving reasonable transmission of the garbage.

[0038] The above description is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited thereto. Any equivalent replacement or change made by any technician familiar with the field within the technical scope disclosed by the present invention according to the technical solution and the utility model concept of the present invention should be covered by the protection scope of the present invention.

Claims

1. A domestic waste incineration device with a flue gas purification structure, comprising an incinerator (1), a feed pipe (2) fixedly arranged on one side of the incinerator (1), a feed port (21) arranged on the top of the feed pipe (2), a conveying assembly (22) located inside the feed pipe (2), and a conveying pipe (3) fixedly installed on a side of the incinerator (1) away from the feed pipe (2); Features: The domestic waste incineration equipment further comprises a purification structure (4) arranged on a side of the conveying pipe (3) away from the incinerator (1); The purification structure (4) comprises a spray box (41) fixedly mounted on a side of the delivery pipe (3) away from the incinerator (1), a spray head (42) fixedly mounted on the top of the spray box (41) for spraying purification liquid, an activated carbon filter layer (44) arranged on the top of the spray box (41), an air supply pipe (43) fixedly mounted on one side of the spray box (41) and connected to the activated carbon filter layer (44), a first solenoid valve (431) fixedly mounted on the air supply pipe (43), an exhaust pipe (45) fixedly mounted on the top of the spray box (41) and connected to the activated carbon filter layer (44), and a gas circulation component (46) arranged on the exhaust pipe (45).

2. The domestic waste incineration equipment with a flue gas purification structure according to claim 1 is characterized in that: A partition is fixedly provided on one side of the spray box (41) close to the activated carbon filter layer (44), and a through hole is provided on the partition. The spray box (41) and the activated carbon filter layer (44) are separated by the partition.

3. The domestic waste incineration equipment with a flue gas purification structure according to claim 1 is characterized in that: The gas circulation component (46) comprises a smoke detector (465) fixedly arranged on the exhaust pipe (45), a circulation pipe (463) connected to the exhaust pipe (45), and a second solenoid valve (461) and a third solenoid valve (464) fixedly arranged on one end of the exhaust pipe (45) close to the circulation pipe (463) and on the circulation pipe (463), respectively; the end of the circulation pipe (463) away from the exhaust pipe (45) is connected to the spray box (41).

4. The domestic waste incineration equipment with a flue gas purification structure according to claim 1 is characterized in that: The purification structure (4) further comprises a solid circulation component (47) arranged at the bottom of the spray box (41).

5. The domestic waste incineration equipment with a flue gas purification structure according to claim 4 is characterized in that: The solid circulation component (47) comprises a dust suction head (471) arranged in the spray box (41) at a position below the spray head (42) and a dust suction pipe (472) fixedly mounted on the dust suction head (471) and connected to the incinerator (1).

6. The domestic waste incineration equipment with a flue gas purification structure according to claim 1 is characterized in that: The conveying assembly (22) comprises a threaded auger (221) rotatably arranged inside the feed pipe (2) for conveying materials, and a servo motor (222) fixedly arranged on the feed pipe (2) and connected to the output end of the threaded auger (221).

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