CN218544456U

CN218544456U - Waste salt carbonization treatment equipment

Info

Publication number: CN218544456U
Application number: CN202220826762.7U
Authority: CN
Inventors: 夏天天; 李湸; 李胜; 刘璐; 李敬超; 于海洋; 宋勋涛
Original assignee: Zhongjielan Environmental Protection Technology Co ltd
Current assignee: Zhongjielan Environmental Protection Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2023-02-28
Anticipated expiration: 2032-04-12

Abstract

The embodiment of the utility model discloses waste salt carbonization treatment equipment, which comprises a beveling feeding 1, a feeding box 2, a rotary pitch 3, a compressed air seal 4, a gravity pendulum bob 5, a motor rotating gear 6, a combustion chamber 7, a roller 8, an oxygen adjusting port 9, a discharging box 10 and a combustor 11; solves the problems that the waste salt is difficult to remove organic matters and is difficult to recycle. The whole treatment process is simple, convenient, effective, economical and feasible. Meanwhile, the carbonized waste salt can be recycled and utilized.

Description

Waste salt carbonization treatment equipment

Technical Field

The application relates to the technical direction of waste salt recycling treatment, in particular to waste salt carbonization treatment equipment.

Background

The industrial waste salt refers to inorganic waste salt containing organic matters, other toxic and harmful substances and water generated in the industrial production process; mainly comes from the processes of solid-liquid separation, solution concentration and crystallization, pretreatment of process wastewater of related industries and the like in petrochemical industry, pesticide, medicine and fine chemical production.

The main components of the waste salt are inorganic salt, a small amount of water and uncertain toxic organic substances, which cannot be directly used as a byproduct and is generally defined as hazardous waste. The existing stage of the waste salt is narrow in outlet, and some waste salt can not even find the outlet and is always regarded as dangerous waste to be placed in a warehouse. Poses great threat to the environment, and the waste salt becomes a serious restriction on the development of the industry. Therefore, the industrial waste salt needs to be treated into harmless resources.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a waste salt carbonization treatment equipment, it solves the loaded down with trivial details, the waste salt of system combination is difficult to the resourceful problem among the current waste salt processing system, can reach the requirement that waste salt source ization, innocent treatment degree are high.

A waste salt carbonization treatment device comprises a slant feeding 1, a feeding box 2, a rotary screw pitch 3, a compressed air seal 4, a gravity pendulum bob 5, a motor rotating gear 6, a combustion chamber 7, a roller 8, an oxygen adjusting port 9, a discharging box 10 and a combustor 11; the waste salt obliquely fed in the direction of inclination enters a feeding box, the feeding box is connected with a rotary pitch, the front end of the rotary pitch is connected with a compressed air seal, the rear end of the rotary pitch is connected with a roller to convey the waste salt to a preheating stage, the gravity pendulum bob is connected with the roller, the motor rotating gear is connected with the roller, the combustion chamber is connected with the roller, the roller is connected with the feeding box, the rotary pitch is connected with the compressed air seal, the gravity pendulum bob is connected with the motor rotating gear, the combustion chamber is connected with the oxygen adjusting air port, the discharge box is connected with the combustor, and the combustor is connected with the combustion chamber.

Furthermore, the waste salt is obliquely cut into the feeding box, and the waste salt is conveyed to the preheating stage of the roasting kiln through the rotating screw pitch.

Further, the roasting kiln is sealed by compressed air.

Further, the gravity pendulum bob plays a role in shaking and beating along with the rotation of the roller so as to prevent the waste salt from sticking to the wall.

Further, the motor rotates the gear to provide power for the whole roller.

Furthermore, the roller is used as a carrier for indirectly heating the waste salt and plays a key role in the waste salt carbonization process.

Furthermore, the oxygen regulating port regulates the oxygen content in the roller to be slightly negative oxygen.

Further, the combustor burns in the combustion chamber to provide a heat source for the roasting kiln.

The utility model discloses a waste salt carbonization treatment system's equipment possesses following beneficial effect:

1. high organic matter removing rate and less waste gas.

2. The safety coefficient of the micro negative oxygen environment is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the apparatus structure of a waste salt carbonizing treatment system of the present invention;

in the figure: 1. feeding in a beveling direction; 2. a feeding box; 3. rotating the screw pitch; 4. sealing by compressed air; 5. A gravity pendulum bob; 6. the motor rotates the gear; 7. a combustion chamber; 8. a drum; 9. an oxygen regulating port; 10. A discharging box; 11. a burner.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to fig. 1 in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.

The embodiment of the utility model discloses waste salt carbonization equipment.

Embodiment 1, referring to fig. 1, a waste salt carbonization treatment device includes a slant feeding device, a feeding box, a rotary pitch, a compressed air seal, a gravity pendulum, a motor rotating gear, a combustion chamber, a roller, an oxygen adjusting port, a discharging box 11, and a burner, wherein an inlet of the slant feeding device 1 is connected to a feeding screw conveyor, an outlet of the slant feeding device directly enters the feeding box 2, the rotary pitch 3 is arranged inside the feeding box, the front end of the rotary pitch 3 is connected to the compressed air seal 4, the rear end of the rotary pitch is connected to the roller 8 to convey waste salt to a preheating stage, the gravity pendulum 5 is connected to the roller 8, the motor rotating gear 6 is connected to the roller 8, the combustion chamber 7 is connected to the roller 8, the roller 8 is connected to the feeding box 2, the other end of the roller 8 is connected to the compressed air seal 4, the gravity pendulum 5 is connected to the outer wall of the other end of the roller, the gravity pendulum is connected to the motor rotating gear 6, and the discharging box 9 is connected to the oxygen adjusting port, and the burner 11 is connected to the combustion chamber 7.

Example 2, a method for using a waste salt carbonization treatment device, wherein waste salt is conveyed into an oblique tangential feeding 1 by a feeding screw conveyor, the oblique tangential feeding 1 and a feeding box are obliquely fed at 45 ℃ tangentially, the waste salt is conveyed to a preheating stage of a roller 8 by a rotating screw pitch in the feeding box 2, the waste salt gradually flows to a heating section along with the rotation of the roller 8, the waste salt stays for 90-120min in the heating section of the roller 8, and the carbonization temperature of the heating section is 580-650 ℃. The water contained in the waste salt is gasified in the heating section, and the micromolecule organic matter is carbonized. The cooling section of the roller 8 is provided with softened water spray to cool the carbonized waste salt to 200 ℃. The roller 8 is connected with a discharge box 10, and the roller and the feed and discharge box are sealed by compressed air 4, so that the waste salt is prevented from leaking, and the oxygen content in the roller can be adjusted. The discharging box 10 is connected with the oxygen adjusting port 9 to ensure that the oxygen content in the roller is less than 5 percent. Therefore, the waste salt is beneficial to better remove moisture and organic matters under the condition of micro negative pressure and micro negative oxygen. Be equipped with gravity type pendulum on the cylinder, the steel ball that inside set up can strike the cylinder outer wall under the effect of gravity along with the rotation of cylinder like this for waste salt is difficult to the wall in the carbonization in-process and is heated more evenly. The whole roller 8 is rotated by rotating the gear 6 through the motor. The heat source for the whole conversation comes from the burner 11. Air and natural gas indirectly transfer heat to the waste salt through a burner. The roller heating section is provided with a combustion chamber, so that good conditions are provided for fuel combustion, and meanwhile, heat loss can be reduced. Four groups of burners (eight burners) are arranged in the combustion chamber. Ensuring the full carbonization of water and organic matters in the waste salt.

The utility model relates to an implementation principle of waste salt carbonization treatment equipment and application method: most of organic matters in the waste salt have the boiling point or the pyrolysis temperature of 200-600 ℃ which is lower than the melting point of the salt, and theoretically, the organic matters can be removed from the waste salt through low-temperature gasification/pyrolysis of the organic matters, so that the problem of salt melting during high-temperature incineration is avoided. The organic matters in the waste salt are decomposed and carbonized at the temperature lower than the melting point of the inorganic salt and under the condition of controlling the oxygen concentration, so that the organic matters in the waste salt are pyrolyzed into volatile gas. The method adopts one-step pyrolysis, has simple and effective process and requires less heat.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The utility model provides a waste salt carbonization treatment equipment which characterized in that: comprises a slant feeding, a feeding box, a rotary screw pitch, a compressed air seal, a gravity pendulum bob, a motor rotating gear, a combustion chamber, a roller, an oxygen adjusting port, a discharging box and a burner; the waste salt obliquely fed in the direction of the inclined angle enters a feeding box, the feeding box is connected with a rotary pitch, the front end of the rotary pitch is connected with compressed air for sealing, the rear end of the rotary pitch is connected with a roller for conveying the waste salt to a preheating stage, the gravity pendulum bob is connected with the roller, the motor rotating gear is connected with the roller, the combustion chamber is connected with the roller, the roller is connected with the feeding box, the other end of the roller is connected with compressed air for sealing, the outer wall of the other end of the roller is connected with the gravity pendulum bob and the connecting motor rotating gear and is connected with a discharging box, the oxygen regulating port is connected with the discharging box, and the combustor is connected with the combustion chamber.

2. The waste salt carbonizing apparatus according to claim 1, characterized in that: the bevel is directed into a feed box, which conveys the waste salt to a preheating stage in the drum by means of a rotating screw pitch.

3. The waste salt carbonizing apparatus according to claim 2, characterized in that: and the joint of the roller and the feeding box is sealed by adopting compressed air.

4. The waste salt carbonizing apparatus according to claim 3, characterized in that: the gravity type pendulum bob plays a role in vibrating and knocking along with the rotation of the roller so as to prevent waste salt from sticking to the wall.

5. The waste salt carbonizing apparatus according to claim 1, characterized in that: the roller is used as a carrier for indirectly heating the waste salt and is divided into a preheating stage, a heating stage and a cooling stage.

6. The waste salt carbonizing apparatus according to claim 1, characterized in that: the oxygen regulating port regulates the oxygen content of the waste salt heated in the drum to micro negative oxygen.