CN218001546U

CN218001546U - Flue gas purification system for rotary kiln incinerator

Info

Publication number: CN218001546U
Application number: CN202221971773.0U
Authority: CN
Inventors: 古建勤; 王志坤; 宋光武
Original assignee: Xinjiang Pratt & Whitney Environment Co ltd
Current assignee: Xinjiang Pratt & Whitney Environment Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-09
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a flue gas purification system for rotary kiln burns burning furnace, the blast pipe top is run through the joint and is had spacing fixed box, spacing fixed box inboard welding has spacing fixed pipe, spacing fixed box bottom joint has the fixed box of storage, the inboard both ends symmetry joint of furnace body has electronic slide rail, be connected with the cleaning plate through the slide rail seat between two electronic slide rails, carry out the speed limit and block the flue gas through spacing fixed pipe and spacing fixed box, make the flue gas progressively slow down, the flue gas progressively deposits and falls to spacing fixed box inboard down, drive cleaning plate round trip movement by electronic slide rail, thereby it is inboard to push into the fixed box of storage with the inside smoke and dust that drops, thereby quick collection processing is carried out to the smoke and dust, make can be quick when handling the flue gas, restrict the speed of desulfurization denitration is influenced to a large amount of smoke and dust, and dust pollution has been reduced and has been leaded to the unable circumstances of retrieving of reaction liquid to appear because of the smoke and dust pollution.

Description

Flue gas purification system for rotary kiln incinerator

Technical Field

The utility model relates to a technical field is handled to the flue gas, specifically is a gas cleaning system for rotary kiln burns burning furnace.

Background

The rotary kiln incinerator is an incinerator having a refractory lining disposed in a cylindrical body made of a steel plate, and is disposed at a slight inclination from the horizontal, and while rotating slowly, wastes supplied from the upper portion are transferred to the lower portion, and air is supplied from the front or rear portion to burn the wastes. Generally, set up the secondary combustion chamber behind the rotary kiln, make the not complete poisonous and harmful gas who burns off of anterior segment pyrolysis can be in the complete combustion under the oxidation state of higher temperature, can carry out desulfurization and denitration treatment to the flue gas now after the burning.

But at present, the flue gas contains a large amount of smoke impurities during treatment, so that the efficiency of the reaction can be hindered in the desulfurization and denitrification reaction process, the treatment speed is greatly influenced, and the reaction liquid can be polluted, so that the reaction liquid cannot be effectively recycled.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flue gas purification system for rotary kiln burns burning furnace can effectively solve and propose when handling at present in the above-mentioned background art because of containing miscellaneous a large amount of smoke and dust impurity in the flue gas, has leaded to the efficiency that can hinder the reaction at the in-process of SOx/NOx control reaction to very big influence the speed of handling, and can pollute the reaction liquid and lead to its unable effectual problem of retrieving and recycling.

In order to achieve the above purpose, the utility model provides a following technical scheme: a flue gas purification system for a rotary kiln incinerator comprises a furnace body, wherein a blocking assembly is arranged on one side of the furnace body and comprises an exhaust pipe, a limiting fixing box, a limiting fixing pipe, a clamping fixing block, a sliding clamping groove, a storage fixing box, a sliding clamping plate, an electric slide rail, a cleaning plate, an exhaust port, an interception screen plate and a discharge pipe;

the utility model discloses a furnace body, including furnace body, blast pipe, spacing fixed box, fixed box bottom, fixed box, electric slide rail, gas vent, furnace body top middle part through connection has the blast pipe, the joint is run through on the blast pipe top has spacing fixed box, the inboard middle part of spacing fixed box corresponds the welding of blast pipe position department has spacing fixed pipe, the symmetrical welding in spacing fixed box both ends has the joint fixed block, slip joint groove has been seted up to joint fixed block one end, spacing fixed box bottom is close to joint fixed block position department slip joint and has the fixed box of storage, the symmetrical welding in fixed box both ends of storage has the slip joint board, the inboard both ends symmetry joint of furnace body has electronic slide rail, two be connected with the cleaning plate through the slide rail seat between the electronic slide rail, the gas vent has been seted up to cleaning plate one end, a plurality of interception otter board is installed in the embedding of spacing fixed box one end equidistance, spacing fixed box one end corresponds interception otter board position department through connection has the discharge pipe.

Preferably, the inner diameter of the exhaust pipe is equal to that of the limiting fixing pipe, and the input end of the electric sliding rail is electrically connected with the output end of an external power supply.

Preferably, the sliding clamping plate is embedded and installed on the inner side of the sliding clamping groove, and the side end of the cleaning plate is attached to the side end of the limiting fixing box.

Preferably, one side of the discharge pipe is provided with a processing assembly, and the processing assembly comprises a processing barrel, a transmission motor, a transmission rod, a stirring frame, a cleaning frame, a separation screen plate, a slag discharge pipe, a separation barrel and a limiting valve;

discharge pipe one end through connection has the processing bucket, the transmission motor is installed through the motor cabinet in the processing bucket top, transmission motor output shaft bottom joint has the transfer line, transfer line side middle part joint has the stirring frame, transfer line side bottom symmetry joint has clean frame, the inboard joint that is located of processing bucket has the separation otter board between two clean frames, processing bucket bottom equidistance through connection has a plurality of scum pipe, scum pipe bottom through connection has the separation bucket, the restriction valve is installed in scum pipe one end embedding.

Preferably, the transmission rod is arranged at the inner side of the treatment barrel in a penetrating way, the input end of the transmission motor is electrically connected with the output end of an external power supply,

preferably, the side end of the cleaning frame is attached to the side end of the separation screen plate, and the separation barrel is connected with the treatment barrel in a clamping mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with and block the subassembly, the flue gas enters into spacing fixed box position department along the blast pipe, carry out the speed limit and block the flue gas through spacing fixed pipe and spacing fixed box, make the flue gas progressively slow down, the smoke and dust progressively deposits and falls to spacing fixed box inboard, drive cleaning plate round trip movement by electronic slide rail, thereby it is inboard to push into the fixed box of storage with the inside smoke and dust that drops, thereby quick collect the processing to the smoke and dust, make can be quick when needs handle the flue gas restrict the smoke and dust, avoid a large amount of smoke and dust to influence the speed of SOx/NOx control, and reduced because of the smoke and dust pollution leads to the unable condition appearance of retrieving of reaction liquid.

2. Be provided with the processing subassembly, drive the transfer line by driving motor, stirring frame and clean frame are rotatory, it contains sulphur and the abundant contact reaction of compound that contains the nitre in drive reaction liquid and the flue gas, thereby the speed of reaction has been accelerated, simultaneously with impurity and precipitate centrifugation sediment, the rethread clean frame rolls it and smashes, it is inboard with arranging into the separation barrel by the scum pipe, make sediment and impurity and liquid can carry out solid-liquid separation, thereby it separates to it to need not the staff follow-up, staff's intensity of labour has been alleviateed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of the barrier assembly of the present invention;

FIG. 3 is a schematic view of the installation structure of the cleaning plate of the present invention;

FIG. 4 is a schematic diagram of a processing assembly according to the present invention;

reference numbers in the figures: 1. a furnace body;

2. a blocking component; 201. an exhaust pipe; 202. a limiting fixing box; 203. limiting and fixing the tube; 204. clamping the fixing block; 205. a sliding clamping groove; 206. a storage fixing box; 207. a sliding clamping plate; 208. an electric slide rail; 209. cleaning the plate; 210. an exhaust port; 211. intercepting a screen plate; 212. a discharge pipe;

3. a processing component; 301. a treatment barrel; 302. a drive motor; 303. a transmission rod; 304. a stirring frame; 305. a cleaning frame; 306. separating the screen plate; 307. a slag discharge pipe; 308. a separation barrel; 309. a restriction valve.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a flue gas purification system for rotary kiln incinerator, including furnace body 1, furnace body 1 one side is installed and is blockked subassembly 2, blocks subassembly 2 and includes blast pipe 201, spacing fixed box 202, spacing fixed tube 203, joint fixed block 204, slip joint groove 205, storage fixed box 206, slip joint board 207, electronic slide rail 208, cleaning plate 209, gas vent 210, interception otter board 211 and discharge pipe 212;

the middle part of the top end of the furnace body 1 is connected with an exhaust pipe 201 in a penetrating manner, the top end of the exhaust pipe 201 is connected with a limiting fixing box 202 in a penetrating manner, the middle part of the inner side of the limiting fixing box 202 corresponds to the position of the exhaust pipe 201 and is welded with a limiting fixing pipe 203, the inner diameter of the exhaust pipe 201 is equal to that of the limiting fixing pipe 203, effective supply can be stabilized during air intake, a clamping fixing block 204 is symmetrically welded at one side of each of two ends of the limiting fixing box 202, one end of the clamping fixing block 204 is provided with a sliding clamping groove 205, the bottom end of the limiting fixing box 202 is connected with a storage fixing box 206 in a sliding manner near the position of the clamping fixing block 204 and is provided with a sliding clamping plate 207, the sliding clamping plate 207 is embedded and installed at the inner side of the sliding clamping groove 205, effective fixation can be achieved quickly during connection, the inner side ends of the furnace body 1 are symmetrically clamped with electric sliding rails 208, a cleaning plate 209 is connected between the two electric sliding rails 208, the side end of the cleaning plate 209 is attached to the limiting fixing box 202, so that the whole cleaning effect can be guaranteed during cleaning, an electric input end of the cleaning plate is connected with an electric power supply output end of an electric power supply output end and an electric source output end of the screen plate 212.

A processing assembly 3 is arranged on one side of the discharge pipe 212, and the processing assembly 3 comprises a processing barrel 301, a transmission motor 302, a transmission rod 303, a stirring rack 304, a cleaning rack 305, a separation screen 306, a slag discharge pipe 307, a separation barrel 308 and a limiting valve 309;

one end of the discharge pipe 212 is connected with a processing barrel 301 in a penetrating manner, a transmission motor 302 is installed at the top end of the processing barrel 301 through a motor base, a transmission rod 303 is clamped at the bottom end of an output shaft of the transmission motor 302, a stirring frame 304 is clamped in the middle of the side end of the transmission rod 303, the transmission rod 303 is installed inside the processing barrel 301 in a penetrating manner, so that stirring can be effectively carried out when stirring is needed, cleaning frames 305 are symmetrically clamped at the bottom of the side end of the transmission rod 303, the side end of each cleaning frame 305 is attached to the side end of a separation screen plate 306, the cleaning effect is guaranteed, a separation screen plate 306 is clamped between two cleaning frames 305 inside the processing barrel 301, a plurality of slag discharge pipes 307 are equidistantly connected at the bottom end of the processing barrel 301 in a penetrating manner, a separation barrel 308 is connected at the bottom end of each slag discharge pipe 307 in a penetrating manner, the separation barrel 308 is connected with the processing barrel 301 in a clamping manner, so that separation and collection can be carried out when separation is needed, a limiting valve 309 is embedded at one end of each slag discharge pipe 307, and the input end of the transmission motor 302 is electrically connected with an external power supply output end.

The utility model discloses a theory of operation and use flow: when flue gas is required to be treated, a worker embeds the sliding clamping plate 207 into the side end of the sliding clamping groove 205, so that the storage fixing box 206 is fixed to the bottom end of the limiting fixing box 202, the flue gas enters the position of the limiting fixing box 202 along the exhaust pipe 201 and is discharged through the limiting fixing pipe 203, the flue gas collides with the top end of the limiting fixing box 202 to be dispersed, the flue gas carrying a large amount of smoke dust decelerates under the impact effect, the smoke dust gradually precipitates and falls to the inner side of the limiting fixing box 202, the electric slide rail 208 drives the cleaning plate 209 to move back and forth, and the smoke dust falling inside is pushed to the inner side of the storage fixing box 206, so that the smoke dust can be rapidly collected and treated, the smoke dust can be rapidly limited when the flue gas is required to be treated, the smoke dust is prevented from being accumulated to the desulfurization and denitrification position, the condition that the desulfurization and denitrification efficiency is reduced due to the smoke dust is relieved, the smoke dust is recovered, and the environment pollution caused by the discharge of the smoke dust in the environment is avoided;

the treated flue gas enters the inner side of a treatment barrel 301 through a discharge pipe 212 after being secondarily intercepted by an intercepting screen plate 211, a transmission rod 303 is driven to rotate by a transmission motor 302, a stirring frame 304 and a cleaning frame 305 are driven to synchronously rotate by the transmission rod 303, so that the alkaline liquid is stirred and centrifuged, the flue gas enters the liquid to be contacted with water, a sulfur-containing compound and a nitrate-containing compound are fused with the water to produce an acidic solution, the acidic solution and the alkaline solution are contacted with each other for reaction, effective neutralization is carried out, meanwhile, impurity-containing small particle impurities and partial precipitates fall to the positions of the treatment barrel 301 and a separation screen plate 306 under the centrifugal action, the cleaning frame 305 is used for grinding and crushing the flue gas and the mixture finally precipitates at the bottom end of the treatment barrel 301 through the separation screen plate 306, after treatment, a limiting valve 309 is opened, the mixture enters the inner side of the separation barrel 308 through a slag discharge pipe 307, the liquid is directly discharged into an external container, and the solids are rapidly remained in the separation barrel 308, so that solid-liquid separation is realized and the operation of workers is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flue gas purification system for rotary kiln incinerator, includes furnace body (1), its characterized in that: a blocking component (2) is installed on one side of the furnace body (1), and the blocking component (2) comprises an exhaust pipe (201), a limiting fixing box (202), a limiting fixing pipe (203), a clamping fixing block (204), a sliding clamping groove (205), a storage fixing box (206), a sliding clamping plate (207), an electric sliding rail (208), a cleaning plate (209), an exhaust port (210), an intercepting screen plate (211) and a discharge pipe (212);

furnace body (1) top middle part through connection has blast pipe (201), blast pipe (201) top is run through the joint and is had spacing fixed box (202), spacing fixed box (202) inboard middle part corresponds blast pipe (201) position department welding has spacing fixed pipe (203), spacing fixed box (202) both ends one side symmetry welding has joint fixed block (204), slip joint groove (205) have been seted up to joint fixed block (204) one end, spacing fixed box (202) bottom is close to joint fixed block (204) position department slip joint and has storage fixed box (206), the symmetrical welding in storage fixed box (206) both ends has joint board (207), furnace body (1) inboard both ends symmetry joint has electronic slide rail (208), two be connected with cleaning plate (209) through the slide rail seat between electronic slide rail (208), gas vent (210) have been seted up to cleaning plate (209) one end equidistance embedding installs a plurality of interception otter board (211), spacing fixed box (202) one end equidistance embedding runs through otter board (212) position department and is connected with the discharge pipe (212).

2. The flue gas purification system for the rotary kiln incinerator according to claim 1, wherein the inner diameter of the exhaust pipe (201) is equal to the inner diameter of the limiting fixing pipe (203), and the input end of the electric slide rail (208) is electrically connected with the output end of an external power supply.

3. The flue gas purification system for a rotary kiln incinerator according to claim 1, characterized in that said slide engaging plate (207) is fitted inside the slide engaging groove (205), and the side end of said cleaning plate (209) is fitted with the side end of the position fixing box (202).

4. The flue gas cleaning system for the rotary kiln incinerator according to claim 1, characterized in that a treatment unit (3) is mounted on one side of said discharge pipe (212), said treatment unit (3) comprising a treatment barrel (301), a transmission motor (302), a transmission rod (303), a stirring rack (304), a cleaning rack (305), a separation screen (306), a slag discharge pipe (307), a separation barrel (308) and a limiting valve (309);

discharge pipe (212) one end through connection has processing bucket (301), install drive motor (302) on processing bucket (301) top through the motor cabinet, drive motor (302) output shaft bottom joint has transfer line (303), transfer line (303) side middle part joint has stirring frame (304), transfer line (303) side bottom symmetry joint has cleaning frame (305), processing bucket (301) inboard is located two cleaning frame (305) between the joint have separation otter board (306), processing bucket (301) bottom equidistance through connection has a plurality of scum pipe (307), scum pipe (307) bottom through connection has separation bucket (308), scum pipe (307) one end embedding is installed and is restricted valve (309).

5. The flue gas purification system for the rotary kiln incinerator according to claim 4, characterized in that said transmission rod (303) is installed through the inside of the processing barrel (301), and the input end of said transmission motor (302) is electrically connected with the output end of the external power supply.

6. The flue gas cleaning system for the rotary kiln incinerator according to claim 4, wherein said cleaning frame (305) side end is attached to the separating screen (306) side end, and said separating barrel (308) is snap-connected to the processing barrel (301).