阅读说明：本技术 一种氯碱行业固体废弃物煅烧装置 (Solid waste calcining device in chlor-alkali industry ) 是由 卢鑫 陈雷 宋开生 于 2019-09-10 设计创作，主要内容包括：本发明公开了一种氯碱行业固体废弃物煅烧装置,包括立式炉体,炉体顶部设有进料口和排烟道,进料口下边缘设有破碎辊,所述炉体内部设有半圆形隔板,燃气管道固定在炉体与隔板之间,燃气管道的头部设有燃烧头,所述燃烧头置于炉体内腔中,燃气管道的尾部与供气管道连接,所述炉体内部设有螺旋搅拌器,所述螺旋搅拌器包括搅拌轴与实体螺旋叶片,所述实体螺旋叶片的侧面均匀设置2-4个竖直的长叶片,所述炉体下方设有出料口,本发明结构科学,进入的原料均匀分布散落,煅烧时不停翻动原料,受热均匀,提高产品品质。(The invention discloses a solid waste calcining device in the chlor-alkali industry, which comprises a vertical furnace body, wherein the top of the furnace body is provided with a feed inlet and a discharge flue, the lower edge of the feed inlet is provided with a crushing roller, a semicircular partition plate is arranged inside the furnace body, a gas pipeline is fixed between the furnace body and the partition plate, the head of the gas pipeline is provided with a combustion head, the combustion head is arranged in an inner cavity of the furnace body, the tail of the gas pipeline is connected with a gas supply pipeline, a spiral stirrer is arranged inside the furnace body and comprises a stirring shaft and solid spiral blades, 2-4 vertical long blades are uniformly arranged on the side surfaces of the solid spiral blades, and a discharge port is arranged below the furnace body.)

1. The utility model provides a solid waste calcining device of chlor-alkali industry which characterized in that: the novel vertical type coal gasifier comprises a vertical type furnace body, wherein a feed inlet and a discharge flue are arranged at the top of the furnace body, a crushing roller is arranged at the lower edge of the feed inlet, a semicircular partition plate is arranged inside the furnace body, a gas pipeline is fixed between the furnace body and the partition plate, a combustion head is arranged at the head of the gas pipeline, an inner cavity of the furnace body is arranged in the combustion head, the tail of the gas pipeline is connected with a gas supply pipeline, a spiral stirrer is arranged inside the furnace body and comprises a stirring shaft and an entity helical blade, 2-4 vertical long blades are uniformly arranged on the side surface of the entity helical blade, and a.

2. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: the feed inlet is provided with a sealing cover.

3. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: the cross section of the long blade is arc-shaped.

4. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: the crushing roller is connected with a first motor through a transmission case.

5. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: the stirring shaft is connected with a second motor through a transmission case.

6. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: the number of the combustion heads is 4-12, the combustion heads are uniformly arranged on the inner side of the semicircular partition plate, and the direction of the combustion heads is aligned to the axis of the partition plate.

7. The solid waste calcining device in the chlor-alkali industry as claimed in claim 1, characterized in that: and a control valve is arranged on the discharge hole.

Technical Field

The invention belongs to the technical field of waste treatment, and particularly relates to a solid waste calcining device in the chlor-alkali industry.

Background

The chlor-alkali chemical industry is one of the important basic chemical industries in China, wherein the process for producing PVC by a calcium carbide method and the process for producing caustic soda by an ion membrane method can generate a large amount of solid wastes (including calcium carbide slag, mercury-containing contact coal, activated carbon and the like), and the solid wastes are generated due to a plurality of reasons: 1. limestone undersize, lime powder and coke powder generated by long-distance transportation and short reverse loading of bulk raw materials; 2. coke ash and dust collected by the dust removing equipment of the raw material conveying line; 3. calcium carbide is discharged from the furnace to remove dust and collect calcium carbide; 4. furnace gas purification ash collected by a calcium carbide furnace gas purification system; 5. disposing waste sulfuric acid generated by acetylene cleaning of a chlor-alkali device; 6. flue gas of the thermal power plant adopts gypsum solid slag after carbide slag desulfurization; 7. the salt mud after the comprehensive treatment of a water system in a park is mostly carbide slag (gypsum slag), the carbide slag is mixed with other raw materials to be calcined in a long kiln, cement can be produced, large-scale utilization can be realized, the salt mud is widely applied to the current industrial production, and the calcining furnaces are divided into a fluidized bed furnace, an earth kiln, a converter, a mechanical shaft kiln and the like. The raw materials are scattered unevenly during the calcination of the furnaces, the heating degree is uneven, the product quality is influenced, and the problems need to be solved.

Disclosure of Invention

In order to solve the problems, the invention discloses a solid waste calcining device in the chlor-alkali industry, which has a scientific structure, the entering raw materials are uniformly distributed and scattered, the raw materials are continuously stirred during calcining, the heating is uniform, and the product quality is improved.

In order to achieve the purpose, the technical scheme of the invention is as follows:

the utility model provides a chlor-alkali trade solid waste calcining device, includes vertical furnace body, and the furnace body top is equipped with feed inlet and discharge flue, and the feed inlet lower limb is equipped with the crushing roller, the inside semi-circular baffle that is equipped with of furnace body, gas pipeline fix between furnace body and baffle, and the head of gas pipeline is equipped with the combustion head, the furnace body inner chamber is arranged in to the combustion head, and the afterbody and the gas supply line of gas pipeline are connected, the inside helical agitator that is equipped with of furnace body, helical agitator includes (mixing) shaft and entity helical blade, entity helical blade's side evenly sets up 2-4 vertical long vanes, the furnace body below is equipped with the discharge gate.

As a modification of the invention, the feed inlet is provided with a cover.

As an improvement of the invention, the cross section of the long blade is circular arc.

As an improvement of the invention, the crushing roller is connected with a first motor through a transmission case.

As an improvement of the invention, the stirring shaft is connected with a second motor through a transmission case.

As an improvement of the invention, the number of the combustion heads is 4-12, the combustion heads are uniformly arranged at the inner side of the semicircular partition plate, and the direction of the combustion heads is aligned with the axis of the partition plate.

As an improvement of the invention, the discharge hole is provided with a control valve.

The invention has the beneficial effects that:

the solid waste calcining device for the chlor-alkali industry, disclosed by the invention, has a scientific structure, the entering raw materials are uniformly distributed and scattered, the raw materials are continuously stirred during calcining, the heating is uniform, and the product quality is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

List of reference numerals:

1. the device comprises a furnace body, 2, a feeding hole, 3, a discharge flue, 4, a crushing roller, 5, a partition plate, 6, a gas pipeline, 7, a combustion head, 8, a gas supply pipeline, 9, a stirring shaft, 10, solid helical blades, 11, long blades, 12, a discharge hole, 13, a sealing cover, 14, a second motor, 15 and a control valve.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, the solid waste calcining device in the chlor-alkali industry comprises a vertical furnace body 1, wherein a feed inlet 2 and a discharge flue 3 are arranged at the top of the furnace body 1, a crushing roller 4 is arranged at the lower edge of the feed inlet, a semicircular partition plate 5 is arranged inside the furnace body 1, a gas pipeline 6 is fixed between the furnace body 1 and the partition plate 5, a combustion head 7 is arranged at the head of the gas pipeline 6, the combustion head 7 is arranged in an inner cavity of the furnace body, the tail of the gas pipeline 6 is connected with a gas supply pipeline 8, a spiral stirrer is arranged inside the furnace body 1 and comprises a stirring shaft 9 and an entity spiral blade 10, 2-4 vertical long blades 11 are uniformly arranged on the side surface of the entity spiral blade 10, and a discharge port 12 is arranged below the furnace.

The solid waste calcining device in the chlor-alkali industry has a scientific structure, raw materials enter from the feeding hole 2, and the agglomerated raw materials are smashed at the crushing roller 4 and uniformly distributed and scattered, and on the other hand, the raw materials are continuously stirred by the spiral stirrer, so that the raw materials are uniformly heated, and the product quality is improved.

The spiral stirrer of the invention continuously stirs the raw materials, and in the rotation process of the stirring shaft, the solid spiral blade 10 can continuously lift the raw materials and stir the raw materials in the up-down direction; the long blades 11 are uniformly arranged on the side surfaces of the solid helical blades 10, and the long blades 11 can turn over raw materials in the horizontal direction (front-back left-right) in the rotation process of the stirring shaft; because the baffle 5 is semicircular, the raw material can return to the cavity of the baffle after being turned, and the combustion head 7 burns continuously, so that the raw material is heated uniformly, and the combustion effect and the combustion efficiency are improved.

The feed inlet 2 is provided with a sealing cover 13 for sealing heat and dust in the furnace.

The cross section of the long blade 11 is arc-shaped, so that the stress is small during rotation, and the power output of the motor is reduced.

The crushing roller 4 is connected with a first motor (not shown) through a transmission case.

The stirring shaft 9 is connected with a second motor 14 through a transmission case.

The first motor and the second motor 14 are servo motors.

The number of the combustion heads 7 is 4-12, the combustion heads 7 are uniformly arranged on the inner side of the semicircular partition plate 5, the direction of the combustion heads 7 is aligned to the axis of the partition plate 5, namely, the combustion heads 7 surround a circle of raw materials in the semicircular partition plate to be combusted, the fire power is uniform, and the working efficiency is high.

The discharge port 12 is provided with a control valve 15.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.