CN211886217U

CN211886217U - Pulverized coal desulfurization treatment equipment

Info

Publication number: CN211886217U
Application number: CN202020336384.5U
Authority: CN
Inventors: 周杰
Original assignee: Inner Mongolia Huineng Group Changtan Power Generation Co Ltd
Current assignee: Inner Mongolia Huineng Group Changtan Power Generation Co Ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-10
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a buggy desulfurization treatment facility mainly solves the problem that finds the buggy that does not contain sulphur very little after current desulfurization equipment handles that exists among the prior art. This equipment includes the crushed aggregates machine, the transmission device of setting at the crushed aggregates machine discharge gate, the setting is on transmission device upper portion and carries out high temperature desulfurization's high temperature oven to the buggy, the air duct of being connected with the high temperature oven gas vent, the first desulfurization treatment tower of being connected with the air duct, the reaction tank that inside liquid will be submerged in first desulfurization treatment tower gas vent, the charge device of setting on the reaction tank, the setting is on the reaction tank and be used for carrying out the agitating unit that stirs to the medicine that the charge device added, the first valve of setting at the reaction tank top and intercommunication with it, the second desulfurization treatment tower of air inlet and first valve intercommunication, and the chimney through pipeline and second desulfurization treatment tower gas vent intercommunication. By the proposal, the utility model discloses reached the desulfurated purpose of buggy, had very high practical value and spreading value.

Description

Pulverized coal desulfurization treatment equipment

Technical Field

The utility model belongs to the technical field of sweetener, specifically say, relate to a buggy desulfurization treatment facility.

Background

The pulverized coal refers to coal with a particle size of less than 0.5 mm, and as is well known, the pulverized coal contains some toxic and harmful substances, most typically sulfur, which generates sulfur dioxide in the combustion process and then generates acid rain when meeting water to cause damage to buildings, crops and the like. For example, a flue gas desulfurization device of a coal-fired boiler, which is disclosed in chinese patent application No. CN201420194626.6, is used for treating sulfur contained in coal gas after coal is combusted, but this method has certain limitations. When coal dust containing no sulfur is needed, the sulfur removal cannot be realized, so that how to remove the sulfur in the coal dust is an urgent problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a buggy desulfurization treatment facility mainly solves the problem that the buggy that does not contain sulphur is found to few after current desulfurization equipment handles that exists among the prior art.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a coal dust desulfurization treatment device comprises a crusher for grinding coal particles into powder, a transmission device arranged at a discharge port of the crusher and used for conveying the coal dust, a high-temperature oven arranged at the upper part of the transmission device and used for performing high-temperature desulfurization on the coal dust, an air guide pipe connected with an exhaust port of the high-temperature oven, a first desulfurization treatment tower with an air inlet connected with the air guide pipe, a reaction tank with the exhaust port of the first desulfurization treatment tower submerged by internal liquid, a dosing device arranged on the reaction tank and used for injecting medicine into the reaction tank, a stirring device arranged on the reaction tank and used for stirring the medicine added by the dosing device, a first valve arranged at the top of the reaction tank and communicated with the reaction tank, a second desulfurization treatment tower with an air inlet communicated with the first valve, and a chimney communicated with the exhaust port of the second desulfurization treatment tower through a pipeline; wherein, the top and the bottom of the reaction tank are respectively provided with a water filling port and a water outlet with a switch.

Further, transmission device includes the support frame, sets up the action wheel and follow driving wheel at the support frame both ends, installs on the support frame and for the action wheel provides the first driving motor of power, the cover put the conveyer belt on action wheel and follow driving wheel to and fix the ceramic conveyer belt that is used for transporting the buggy in the conveyer belt periphery.

Further, charge device includes the second valve with reaction tank top intercommunication, stores up the medicine ware through pipeline and second valve intercommunication to and set up at the container lid that stores up the medicine ware top and can seal up storing up the medicine ware.

Furthermore, agitating unit includes that one end stretches into in the reaction tank liquid, the other end stretches out the stirring rod of reaction tank, fixes the bearing in stirring rod and reaction tank contact department, sheathes the stirring rod and surely lie in the bearing both sides respectively and carry out sealed seal assembly to the bearing to and set up the second driving motor who is used for driving the stirring rod and changes to on the reaction tank.

Furthermore, an exhaust fan is arranged between the second desulfurization treatment tower and the chimney.

Specifically, a pressure gauge is further arranged on the reaction tank.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses an use high temperature oven to accelerate sulphur and oxygen reaction production sulfur dioxide on transmission device, then the sulfur dioxide that generates gets into first desulfurization treatment tower through the air duct, then during the gaseous reaction tank that gets into that contains remaining sulfur dioxide, because added chemical powder or reagent through charge device in the reaction tank to carry out neutralization reaction with the sulfur dioxide that enters into in the liquid. The first desulfurization treatment tower extends into the liquid in the reaction tank, so that the reaction can be fully performed, then the second desulfurization treatment tower is arranged to further ensure that the output gas does not contain sulfur, and finally the gas is discharged from a chimney, so that the coal powder without sulfur is obtained.

(2) The utility model discloses a charge device realizes sealing through the second valve and the container lid that set up, can be like this adding medicine and annotate the in-process sulfur dioxide of dissolving in liquid can outwards not discharge, avoided the emergence of unsafe accident.

(3) The utility model discloses the manometer that sets up can be audio-visual in observing the reaction tank because the continuous injection of sulfur dioxide to cause pressure too big in the reaction tank, through setting up the manometer, the knowing that can understand when should open first valve and exhaust. And the exhaust fans arranged in the direct pipelines of the second desulfurization treatment tower and the chimney can accelerate the gas in the reaction tank to enter the second desulfurization treatment tower for secondary desulfurization treatment.

Drawings

Fig. 1 is a schematic diagram of the system structure of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-a crusher, 2-a high-temperature oven, 3-an air duct, 4-a first desulfurization treatment tower, 5-a reaction tank, 6-a first valve, 7-a second desulfurization treatment tower, 8-a chimney, 9-a water injection port, 10-a water discharge port, 11-a support frame, 12-a driving wheel, 13-a driven wheel, 14-a first driving motor, 15-a conveying belt, 16-a ceramic conveying belt, 17-a second valve, 18-a medicine storage device, 19-a container cover, 20-a stirring rod, 21-a bearing, 22-a second driving motor, 23-an exhaust fan and 24-a pressure gauge.

Detailed Description

The present invention will be further described with reference to the following drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.

Examples

As shown in figure 1, the coal powder desulfurization treatment equipment comprises a crusher 1 for crushing coal particles, a transmission device arranged at a discharge port of the crusher 1 and used for transporting coal powder, a high-temperature oven 2 arranged at the upper part of the transmission device and used for performing high-temperature desulfurization on the coal powder, the device comprises a gas guide pipe 3 connected with a gas outlet of the high-temperature oven 2, a first desulfurization treatment tower 4 with a gas inlet connected with the gas guide pipe 3, a reaction tank 5 with an internal liquid submerging the gas outlet of the first desulfurization treatment tower 4, a dosing device arranged on the reaction tank 5 and used for injecting a medicine into the reaction tank 5, a stirring device arranged on the reaction tank 5 and used for stirring the medicine added by the dosing device, a first valve 6 arranged at the top of the reaction tank 5 and communicated with the reaction tank 5, a second desulfurization treatment tower 7 with a gas inlet communicated with the first valve 6, and a chimney 8 communicated with a gas outlet of the second desulfurization treatment tower 7 through a pipeline; wherein, the top and the bottom of the reaction tank 5 are respectively provided with a water injection port 9 and a water discharge port 10 with switches.

During preparation, the crusher 1, the high-temperature oven 2, the first driving motor 14, the second driving motor 22 and the exhaust fan 23 need to be connected to a mains supply, then liquid is injected from the water injection port 9 of the reaction tank 5, the liquid submerges the bottom of the first desulfurization treatment tower 4, and the container cover 19 is opened to add powder or reagents capable of reacting with sulfur dioxide and the liquid into the medicine storage device 18. The container lid 19 is closed, the second drive motor 22 is turned on, and the second valve 17 is opened to allow the medicine stored in the medicine reservoir 18 to enter the reaction well 5. The second driving motor 22 rotates the stirring rod 20. During operation is through pouring into crushed aggregates machine 1 with not uniform size's coal granule, grind into the buggy that satisfies the specification through crushed aggregates machine 1 to start transmission device, conveyer belt 15 rotates to the other end of crushed aggregates machine 1 under the drive of action wheel 12. The pulverized coal discharged from the material crushing machine 1 enters the lower part of the high-temperature oven 2 under the transmission of the transmission belt 15, the reaction of sulfur and oxygen in the pulverized coal is accelerated due to high temperature, and sulfur dioxide generated by the reaction enters the air guide pipe 3 connected with the high-temperature oven 2 under the action of the fan carried by the high-temperature oven 2. The 3 other ends of air duct and first desulfurization treatment tower 4 intercommunication, first desulfurization treatment tower 4 absorbs sulfur dioxide, and the sulfur dioxide that partly is not absorbed discharges into the liquid of reaction tank 5 through the bottom of first treatment tower 4 to make medicine, liquid, sulfur dioxide fully react, then observe the inside pressure variation of reaction tank 5 according to the manometer 24 that sets up on reaction tank 5. And (3) starting an exhaust fan 23 arranged in the pipelines of the second desulfurization treatment tower 7 and the chimney 8, then starting the first valve 6 to extract the gas in the reaction tank 5, and discharging the gas from the chimney after the gas is desulfurized again through the second desulfurization treatment tower 7. After the treatment is completed, all power supplies are turned off, and then the water discharge port 10 at the bottom of the reaction tank 5 is opened to discharge the contents.

The sulfur in the pulverized coal is well removed through the equipment, and the removed sulfur is effectively treated, so that the environmental pollution is avoided. The utility model provides a crushed aggregates machine, high temperature oven, desulfurization treatment tower all are current conventional equipment, and this application does not improve it, so no longer give unnecessary detail its concrete structure and theory of operation in this application. The liquid and the medicament added into the reaction tank are replaced according to actual conditions, the aim is to neutralize the entering sulfur dioxide, and specific liquid and reagent are not clearly indicated because various chemical reactions can be generated.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not a limitation to the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis should belong to the protection scope of the present invention.

Claims

1. The coal powder desulfurization treatment equipment is characterized by comprising a crusher (1) for grinding coal particles into powder, a transmission device arranged at a discharge port of the crusher (1) and used for conveying coal powder, a high-temperature oven (2) arranged on the upper part of the transmission device and used for performing high-temperature desulfurization on the coal powder, an air guide pipe (3) connected with an air outlet of the high-temperature oven (2), a first desulfurization treatment tower (4) with an air inlet connected with the air guide pipe (3), a reaction tank (5) with the air outlet of the first desulfurization treatment tower (4) submerged by internal liquid, a dosing device arranged on the reaction tank (5) and used for injecting a chemical into the reaction tank (5), a stirring device arranged on the reaction tank (5) and used for stirring the chemical added by the dosing device, a first valve (6) arranged at the top of the reaction tank (5) and communicated with the reaction tank, and a second desulfurization treatment tower (7) with the air inlet communicated with the first valve (6), and a chimney (8) communicated with the exhaust port of the second desulfurization treatment tower (7) through a pipeline; wherein, the top and the bottom of the reaction tank (5) are respectively provided with a water injection port (9) and a water outlet (10) with a switch.

2. The pulverized coal desulfurization treatment apparatus according to claim 1, wherein the conveyor comprises a support frame (11), a driving wheel (12) and a driven wheel (13) disposed at both ends of the support frame (11), a first driving motor (14) mounted on the support frame (11) and providing power to the driving wheel (12), a conveyor belt (15) sleeved on the driving wheel (12) and the driven wheel (13), and a ceramic conveyor belt (16) fixed at the periphery of the conveyor belt (15) and used for transporting pulverized coal.

3. The coal dust desulfurization treatment equipment according to claim 1, wherein the dosing device comprises a second valve (17) communicated with the top of the reaction tank (5), a medicine storage device (18) communicated with the second valve (17) through a pipeline, and a container cover (19) arranged on the top of the medicine storage device (18) and capable of sealing the medicine storage device (18).

4. The coal dust desulfurization treatment equipment according to claim 3, wherein the stirring device comprises a stirring rod (20) with one end extending into the liquid in the reaction tank (5) and the other end extending out of the reaction tank (5), a bearing (21) fixed at the contact position of the stirring rod (20) and the reaction tank (5), a sealing component which is sleeved on the stirring rod (20) and is respectively positioned at two sides of the bearing (21) and seals the bearing (21), and a second driving motor (22) which is arranged on the reaction tank (5) and used for driving the stirring rod (20) to rotate.

5. The pulverized coal desulfurization treatment apparatus according to claim 1, wherein an exhaust fan (23) is provided between the second desulfurization treatment tower (7) and the chimney (8).

6. The pulverized coal desulfurization treatment apparatus according to claim 1, wherein a pressure gauge (24) is further provided on the reaction tank (5).