CN219596267U

CN219596267U - Cement kiln dechlorination equipment

Info

Publication number: CN219596267U
Application number: CN202321223286.0U
Authority: CN
Inventors: 杨蒙飞; 王奇超; 范富勋
Original assignee: Luoyang Haizhong Environmental Protection Technology Co ltd
Current assignee: Luoyang Haizhong Environmental Protection Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-08-29
Anticipated expiration: 2033-05-19

Abstract

The utility model belongs to the technical field of cement kilns, and particularly relates to cement kiln chlorine removal equipment. Through the cooperation of the feeding mechanism and the dechlorination actuating mechanism, the wind-taking part arranged on the decomposing furnace is communicated with the high-temperature cyclone separator, the high-temperature cyclone separator is communicated with the decomposing furnace, kiln tail smoke chamber gas which is generated by the working of the decomposing furnace and is more than 1000 ℃ is introduced into the high-temperature cyclone separator under the action of the wind-taking part, 80-90% of kiln dust in the kiln tail smoke chamber gas is collected and conveyed back to the decomposing furnace again, and chlorine ions and heavy metal ions which exist in a gaseous form in the high-temperature kiln tail smoke chamber gas cannot be adsorbed on kiln dust materials, so that harmful substances can be discharged possibly, the temperature is suddenly reduced to about 200 ℃ after being mixed with cold air blown in by the gas cooler and the air blower, and the dechlorination effect can be effectively improved.

Description

Cement kiln dechlorination equipment

Technical Field

The utility model belongs to the technical field of cement kilns, and particularly relates to cement kiln chlorine removal equipment.

Background

In order to ensure the normal operation of a clinker sintering system, a set of chlorine removal system is generally arranged at a smoke chamber at the tail of a cement kiln in the process of cooperatively disposing garbage and solid dangerous waste projects of the cement kiln in order to prevent excessive accumulation of volatile elements and substances in the kiln in the internal circulation process, and dioxin generated by burning the garbage is required to be effectively decomposed in the process of burning the garbage in a decomposing furnace, and chloride ions are generated after the decomposition of the dioxin and are contained in the garbage components after burning, and when the useful components of the garbage after burning are used as cement raw materials for cement processing, the chloride ions also enter the cement raw materials, are continuously enriched, and are easy to form crusts at the smoke chamber at the tail of the kiln.

Through retrieving, chinese patent application No. CN202121730330.8 discloses a new-type cement kiln chlorine removal installation, which comprises a main body, an exhaust port and a butt joint, the bottom fixedly connected with circulation end chamber of main body, the outer end fixedly connected with first pump body and the second pump body of circulation end chamber, all fixedly connected with pipeline between first pump body and the second pump body and the circulation end chamber, the inside fixedly connected with shower of main body, the outer end fixedly connected with shower, the inboard fixedly provided with spiral layer of main body, the inside fixedly provided with interception board of main body, the bottom of interception board is provided with the water conservancy diversion frame.

Aiming at the related technology, the equipment cannot effectively treat the chlorine removal ash, cannot effectively cool the equipment and cannot effectively remove chlorine, so that a cement kiln chlorine removal equipment is required to be designed to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model discloses cement kiln chlorine removal equipment.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a cement kiln dechlorination equipment, includes the base, the base top is provided with dechlorination actuating mechanism, dechlorination actuating mechanism one side is fixed to be provided with feed mechanism.

The chlorine removal actuating mechanism is in including fixed the setting the decomposing furnace of base top one side, decomposing furnace top one side is fixed to be provided with the second connecting pipe, decomposing furnace one side is fixed to be provided with the heat exchanger, heat exchanger one side fixedly connected with first connecting pipe, decomposing furnace top is fixed to be provided with and gets the wind part, the heat exchanger rear side is fixed to be provided with gas cooler, gas cooler one side is fixed to be provided with kiln ash section of thick bamboo, kiln ash section of thick bamboo front side is fixed to be provided with the pressurizer, pressurizer one side is fixed to be provided with the air-blower, and is fixed to be in kiln ash section of thick bamboo front side, decomposing furnace top rear side is fixed to be provided with the third connecting pipe.

Preferably, the feeding mechanism is including fixedly setting up the high temperature whirlwind separation case of base top, high temperature whirlwind separation case one side fixedly connected with butt joint pipe, high temperature whirlwind separation case front side is provided with the water smoke case, the fixed water smoke spray pipe that is provided with in water smoke case top, water smoke spray pipe external surface fixed is provided with the force (forcing) pump, vertical rotation is provided with rotatory separation axle in the high temperature whirlwind separation case, rotatory separation axle is fixed to be set up at the power take off end of rotating electrical machines, rotatory separation axle external surface fixed is provided with the rotatory leaf.

Preferably, the base is welded with the decomposing furnace, and the decomposing furnace is connected with the second connecting pipe through a flange.

Preferably, the heat exchanger is connected with the gas cooler through a connecting pipe flange, and the decomposing furnace is welded with the third connecting pipe.

Preferably, the pressurizer is connected with the blower through a connecting air pipe, and a bag dust collector and a Roots pump are sequentially arranged above the third connecting pipe and fixedly arranged above the decomposing furnace.

Preferably, the high-temperature cyclone box is welded with the base, and the high-temperature cyclone box is welded with the butt joint pipe.

Preferably, the high-temperature cyclone separation box is connected with the rotary separation shaft through a bearing, and the rotary separation shaft is connected with the rotary motor through a coupler.

The beneficial effects are that:

the utility model discloses a cement kiln chlorine removal equipment, which is matched with a chlorine removal executing mechanism through a feeding mechanism, an air taking component arranged on a decomposing furnace is communicated with a high-temperature cyclone separator, then the high-temperature cyclone separator is communicated with the decomposing furnace, kiln tail smoke chamber gas which is generated by the working of the decomposing furnace and is more than 1000 ℃ is introduced into the high-temperature cyclone separator under the action of the air taking component, 80-90% of kiln dust in the kiln tail smoke chamber gas is collected and conveyed back to the decomposing furnace again, chloride ions and heavy metal ions existing in a gaseous form in the kiln tail smoke chamber gas are not adsorbed on kiln dust materials but are carried out by the gas, so that harmful substances can be discharged as much as possible, after being mixed with cold air blown in by a gas cooler and a blower, the temperature is suddenly reduced to about 200 ℃, the chlorine removal effect is effectively improved, the kiln tail smoke chamber gas is discharged as much as possible, the quantity of the kiln tail dust is reduced, the quantity of the chlorine ions is discharged through a mist box and the outer end of a spray pipe is arranged, the quality of the cement kiln is improved, and the cement kiln tail gas is stable, and the quality of the cement kiln waste is treated is improved.

Drawings

FIG. 1 is a schematic illustration of an isometric shaft configuration of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a first schematic structural view of the present utility model;

fig. 5 is a second structural schematic of the present utility model.

In the figure: 1. a base;

2. a feed mechanism; 201. a high temperature cyclone separator box; 202. a butt joint pipe; 203. a water mist box; 204. a water mist spray pipe; 205. a pressurizing pump; 206. a rotating electric machine; 207. rotating the separation shaft; 208. rotating the leaves;

3. a chlorine removal actuator; 301. a decomposing furnace; 302. a first connection pipe; 303. a second connection pipe; 304. a heat exchanger; 305. a wind taking part; 306. a gas cooler; 307. a kiln ash cylinder; 308. a pressurizer; 309. a blower; 310. and a third connection pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a cement kiln dechlorination equipment, includes base 1, and base 1 top is provided with dechlorination actuating mechanism 3, and dechlorination actuating mechanism 3 one side is fixed to be provided with feed mechanism 2.

In this embodiment: the feeding mechanism 2 comprises a high-temperature cyclone separation box 201 fixedly arranged above the base 1, a butt joint pipe 202 is fixedly connected to one side of the high-temperature cyclone separation box 201, a water mist box 203 is arranged on the front side of the high-temperature cyclone separation box 201, a water mist spray pipe 204 is fixedly arranged above the water mist box 203, a pressurizing pump 205 is fixedly arranged on the outer surface of the water mist spray pipe 204, a rotary separation shaft 207 is longitudinally arranged in the high-temperature cyclone separation box 201 in a rotating mode, the rotary separation shaft 207 is fixedly arranged at the power output end of a rotary motor 206, and rotary blades 208 are fixedly arranged on the outer surface of the rotary separation shaft 207. The water mist box 203 and the water mist spray pipe 204 cooperate to carry out liquid medicine atomization spraying in the high-temperature cyclone separation box 201 to remove chlorine from waste gas, the rotary separation shaft 207 and the rotary blades 208 cooperate to smash and separate waste materials at a high speed, and the high-temperature cyclone separation box 201 carries out separation treatment on gas in a kiln tail smoke chamber.

In this embodiment: the chlorine removal executing mechanism 3 comprises a decomposing furnace 301 fixedly arranged on one side above the base 1, a second connecting pipe 303 is fixedly arranged on one side above the decomposing furnace 301, a heat exchanger 304 is fixedly arranged on one side of the decomposing furnace 301, a first connecting pipe 302 is fixedly connected on one side of the heat exchanger 304, an air taking component 305 is fixedly arranged above the decomposing furnace 301, a gas cooler 306 is fixedly arranged on the rear side of the heat exchanger 304, a kiln ash cylinder 307 is fixedly arranged on one side of the gas cooler 306, a pressurizer 308 is fixedly arranged on the front side of the kiln ash cylinder 307, a blower 309 is fixedly arranged on one side of the pressurizer 308, and fixedly arranged on the front side of the kiln ash cylinder 307, and a third connecting pipe 310 is fixedly arranged on the rear side above the decomposing furnace 301. The blower 309 is used for providing cold air into the heat exchanger 304, the heat exchanger 304 is configured to be capable of cooling the exhaust gas containing high concentration chlorine and alkali from above 1000 ℃ to below 400 ℃ within 1s-3s, and the kiln dust drum 307 is used for loading and separating kiln dust.

Working principle: when the cyclone separator is used, waste gas generated by a cement kiln enters the high-temperature cyclone separator 201 through the butt joint pipe 202, the rotary motor 206 is started to drive the rotary separation shaft 207 and the rotary blades 208 to stir waste gas at a high speed, the water mist box 203 is started to spray liquid medicine into the high-temperature cyclone separator 201 through the water mist spray pipe 204 to be contacted with the waste gas, chlorine removal operation is carried out, the air taking part 305 arranged on the decomposing furnace 301 is communicated with the high-temperature cyclone separator 201, and then the high-temperature cyclone separator 201 is communicated with the decomposing furnace 301. In this way, when the cement kiln system works, kiln tail smoke chamber gas with the temperature of more than 1000 ℃ generated by the operation of the decomposing furnace 301 is introduced into the high-temperature cyclone separation box 201 under the action of the air taking component 305, the kiln tail smoke chamber gas is separated under the action of the high-temperature cyclone separation box 201, 80-90% of kiln dust in the kiln tail smoke chamber gas is collected and conveyed back to the decomposing furnace 301 again, chlorine ions and heavy metal ions in a gaseous form in the high-temperature kiln tail smoke chamber gas cannot be adsorbed on kiln dust materials, the temperature is suddenly reduced to about 200 ℃ after being mixed with cold air blown in by the air blower 309 and the air cooler 306, and the kiln tail smoke chamber gas is finally conveyed to a clinker warehouse through the Roots pumping system after being collected by the bag dust collector, so that the generation temperature of dioxin is effectively controlled, and fine particles with a large amount of adsorbed chlorine ions are reused as raw materials, and harmful substances can be discharged as much as possible. The novel cement kiln has the advantages that the structure is simple, the chlorine removal effect can be effectively improved, harmful substances are discharged as much as possible, the kiln ash carrying amount is reduced, the stable production of the cement kiln is facilitated, the solid waste treatment quality and the treatment quantity are improved, and the economic benefit of enterprises is improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a cement kiln chlorine removal installation which characterized in that: the chlorine removal installation device comprises a base (1), wherein a chlorine removal executing mechanism (3) is arranged above the base (1), and a feeding mechanism (2) is fixedly arranged on one side of the chlorine removal executing mechanism (3);

the chlorine removal executing mechanism (3) comprises a decomposing furnace (301) fixedly arranged on one side above the base (1), a second connecting pipe (303) is fixedly arranged on one side above the decomposing furnace (301), a heat exchanger (304) is fixedly arranged on one side of the decomposing furnace (301), a first connecting pipe (302) is fixedly connected on one side of the heat exchanger (304), an air taking component (305) is fixedly arranged above the decomposing furnace (301), a gas cooler (306) is fixedly arranged on the rear side of the heat exchanger (304), a kiln ash cylinder (307) is fixedly arranged on one side of the gas cooler (306), a pressurizer (308) is fixedly arranged on the front side of the kiln ash cylinder (307), a blower (309) is fixedly arranged on one side of the pressurizer (308), and a third connecting pipe (310) is fixedly arranged on the rear side above the decomposing furnace (301).

2. A cement kiln chlorine removal installation according to claim 1, wherein: feeding mechanism (2) are in including fixed setting high temperature whirlwind separation case (201) of base (1) top, high temperature whirlwind separation case (201) one side fixedly connected with butt joint pipe (202), high temperature whirlwind separation case (201) front side is provided with water smoke case (203), water mist case (203) top is fixed to be provided with water mist spray tube (204), water mist spray tube (204) fixed surface is provided with force (forcing) pump (205), longitudinal rotation is provided with rotatory separation axle (207) in high temperature whirlwind separation case (201), rotatory separation axle (207) are fixed to be set up the power take off end at rotating electrical machines (206), rotatory separation axle (207) fixed surface is provided with rotary vane (208).

3. A cement kiln chlorine removal installation according to claim 1, wherein: the base (1) is welded with the decomposing furnace (301), and the decomposing furnace (301) is connected with the second connecting pipe (303) through a flange.

4. A cement kiln chlorine removal installation according to claim 1, wherein: the heat exchanger (304) is connected with the gas cooler (306) through a connecting pipe flange, and the decomposing furnace (301) is welded with the third connecting pipe (310).

5. A cement kiln chlorine removal installation according to claim 1, wherein: the pressurizer (308) is connected with the air blower (309) through a connecting air pipe, a bag dust collector and a Roots pump are sequentially arranged above the third connecting pipe (310), and the bag dust collector and the Roots pump are fixedly arranged above the decomposing furnace (301).

6. A cement kiln chlorine removal installation according to claim 2, characterized in that: the high-temperature cyclone separation box (201) is welded with the base (1), and the high-temperature cyclone separation box (201) is welded with the butt joint pipe (202).

7. A cement kiln chlorine removal installation according to claim 2, characterized in that: the high-temperature cyclone separation box (201) is connected with the rotary separation shaft (207) through a bearing, and the rotary separation shaft (207) is connected with the rotary motor (206) through a coupler.