CN220633700U

CN220633700U - Desulfurizing device for coal engineering

Info

Publication number: CN220633700U
Application number: CN202321797305.0U
Authority: CN
Inventors: 王昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-03-22
Anticipated expiration: 2033-07-10

Abstract

The utility model is suitable for the technical field of desulfurization devices, and provides a desulfurization device for coal engineering, which comprises a desulfurization tower, a flue gas pipe and a cooling mechanism, wherein an air inlet connecting pipe of the desulfurization tower is communicated with a filter box, a filter screen is fixedly connected to an inner cavity of the filter box, a brush structure for cleaning the filter screen is arranged in the inner cavity of the filter box, a motor is arranged at the top of the filter box, and the motor drives the brush structure to clean the filter screen through a transmission structure. This desulfurization device for coal engineering pours into the inner chamber of cooling box with the flue gas through the flue gas pipe after, and when the flue gas was when advancing the inside of junction housing, a plurality of flow splitter then disturbed the flue gas and break up for in the even inner chamber that gets into the cooling box of high temperature flue gas, when the surface contact of high temperature flue gas and serpentine pipe, the rivers that flow of serpentine pipe inner chamber made serpentine pipe surface temperature lower, heat transfer was carried out after high temperature flue gas and serpentine pipe's surface contact, and then reduced the temperature of flue gas.

Description

Desulfurizing device for coal engineering

Technical Field

The utility model belongs to the technical field of desulfurization devices, and particularly relates to a desulfurization device for coal engineering.

Background

At present, coal is still used as the main raw material in the specific gravity of energy consumption in China, and sulfur or sulfide is contained in common coal, so that the emission of sulfur compounds and smoke dust is gradually increased year by year, and acid rain is formed when sulfur dioxide and sulfur trioxide generated after combustion are discharged into the atmosphere, so that the control of the emission of sulfur compounds and smoke dust discharged by coal is an urgent task in China.

In the present coal engineering, most of desulfurization of coal is carried out by discharging flue gas generated after coal combustion into a desulfurization tower, then desulfurization is carried out, a spray nozzle in the desulfurization tower sprays alkaline liquid to be contacted with the flue gas for desulfurization, but the flue gas at the rear point of coal combustion contains certain solid particles, a corresponding solid particle cleaning and collecting device is not arranged in the traditional device, and because the flue gas is discharged into the desulfurization tower and is contacted with the spray nozzle in the desulfurization tower, a large amount of particles block the spray nozzle after long-term use, so that the spray nozzle at the later stage is blocked when spraying, and effective desulfurization treatment cannot be carried out.

Chinese patent CN21476129U discloses a novel desulfurization device for coal engineering, this technical scheme, through the part such as use the adsorption plate, clean board, track and generator, solid particles in the flue gas are adsorbed on the adsorption plate, then drive the dwang through the motor and rotate, make clean the board and do annular motion along with the track, can clean the granule on adsorption plate surface more comprehensively, but when filtering the granule, carry higher temperature in the flue gas, and motor and clearance mechanism are the direct connection mode, and the device does not possess the function of cooling to the flue gas, lead to high temperature to transmit to the motor easily, accelerate the ageing rate of motor, lead to the motor to damage easily when serious, and then be unfavorable for the desulfurization to use.

Disclosure of Invention

The utility model provides a desulfurization device for coal engineering, which aims to solve the problems that high temperature is carried in flue gas, a motor and a cleaning mechanism are in a direct connection mode, the device does not have the function of cooling the flue gas, and the use of the motor is easily affected by high temperature.

The utility model is realized in such a way, the desulfurization device for coal engineering comprises a desulfurization tower, a flue gas pipe and a cooling mechanism, wherein an air inlet connecting pipe of the desulfurization tower is communicated with a filter box, the inner cavity of the filter box is fixedly connected with a filter screen, the inner cavity of the filter box is provided with a brush structure for cleaning the filter screen, the top of the filter box is provided with a motor, and the motor drives the brush structure to clean the filter screen through a transmission structure;

the cooling mechanism comprises a cooling box, the cooling box is communicated with one side of the filtering box, a serpentine water pipe is fixedly connected to the inner cavity of the cooling box, two ends of the serpentine water pipe extend to the outside of the cooling box, a plurality of heat exchange fins are fixedly connected to the surface of the serpentine water pipe, and the flue gas pipe is communicated with one side of the inner cavity of the cooling box.

Preferably, the flue gas pipe is located one end intercommunication of cooling tank inner chamber has the junction housing, the vertical fixedly connected with of inner chamber of junction housing a plurality of flow divider.

Preferably, one side surface of the filter box is communicated with the other side of the inner cavity of the cooling box through a transverse pipe.

Preferably, the brush structure comprises a threaded rod, the threaded rod is vertically arranged on the other side of the top of the inner wall of the filter box in a rotatable mode, a threaded sleeve is connected to the surface of the threaded rod in a threaded mode, the surface of the threaded sleeve is in sliding connection with the inner wall surface of the filter box, and a brush plate in contact with one side surface of the filter screen is fixedly connected to the other side surface of the threaded sleeve.

Preferably, the transmission structure comprises a heat insulation box, the heat insulation box is fixedly connected to the top of the filter box, the motor is vertically and fixedly connected to the top of the heat insulation box, an output shaft of the motor rotationally extends to the inner cavity of the heat insulation box and is fixedly connected with a driving gear, and the top end of the threaded rod rotationally extends to the inner cavity of the heat insulation box and is fixedly connected with a driven gear meshed with the driving gear.

Preferably, the bottom vertical intercommunication of rose box has the standpipe, the bottom intercommunication of standpipe has the collection box.

Preferably, the bottom end of the threaded rod is fixedly connected with an anti-falling block for limiting the moving distance of the threaded sleeve.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the desulfurization device for coal engineering, after flue gas is injected into the inner cavity of the cooling box through the flue gas pipe, when the flue gas passes through the inside of the connecting cover, the plurality of flow dividing sheets are used for turbulence scattering of the flue gas, so that high-temperature flue gas uniformly enters the inner cavity of the cooling box, when the high-temperature flue gas contacts with the surface of the serpentine water pipe, the flowing water flow in the inner cavity of the serpentine water pipe enables the surface temperature of the serpentine water pipe to be lower, heat exchange is carried out after the high-temperature flue gas contacts with the surface of the serpentine water pipe, the temperature of the flue gas is further reduced, heat in the flue gas is recycled, the cooled flue gas enters the inner cavity of the filtering box through the transverse pipe, dust in the flue gas is filtered through the filter screen, and the motor drives the brush mechanism in a transmission mode to replace a traditional direct connection mode, so that the flue gas is cooled in a matched mode, the condition that the high temperature carried in the flue gas affects the motor is avoided, the stability of the motor during operation is improved, the service life of the motor is prolonged, and the maintenance cost of the device is reduced.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the filter box and the motor in the present utility model;

FIG. 3 is a schematic diagram of a cooling tank and serpentine water pipe according to the present utility model.

In the figure: 1. a desulfurizing tower; 2. an air inlet connecting pipe; 3. a filter box; 4. a transverse tube; 5. a cooling box; 6. a flue pipe; 7. a connection cover; 8. a diverter blade; 9. a serpentine water tube; 10. a heat insulation box; 11. a motor; 12. a drive gear; 13. a driven gear; 14. a thread sleeve; 15. a brush plate; 16. a filter screen; 17. a standpipe; 18. a collection box; 19. a threaded rod; 20. heat exchange fins.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a desulfurization device for coal engineering, includes desulfurizing tower 1, flue gas pipe 6 and cooling mechanism, and the inlet connection pipe 2 intercommunication of desulfurizing tower 1 has rose box 3, and the inner chamber fixedly connected with filter screen 16 of rose box 3, the inner chamber of rose box 3 are provided with the brush structure that is used for clearing up filter screen 16, and the top of rose box 3 is provided with motor 11, and motor 11 passes through transmission structure drive brush structure clearance filter screen 16.

The cooling mechanism comprises a cooling box 5, the cooling box 5 is communicated with one side surface of the filtering box 3, a serpentine water pipe 9 is fixedly connected to the inner cavity of the cooling box 5, two ends of the serpentine water pipe 9 extend to the outside of the cooling box 5, a plurality of heat exchange fins 20 are fixedly connected to the surface of the serpentine water pipe 9, and a flue gas pipe 6 is communicated with one side surface of the inner cavity of the cooling box 5.

The flue gas pipe 6 injects the flue gas into the inner cavity of the cooling box 5, when the high-temperature flue gas contacts with the surface of the serpentine water pipe 9, the flowing water flow in the inner cavity of the serpentine water pipe 9 enables the surface temperature of the serpentine water pipe 9 to be lower, heat exchange is carried out after the high-temperature flue gas contacts with the surface of the serpentine water pipe 9, and then the temperature of the flue gas is reduced, and heat in the flue gas is recovered.

The contact surface of the serpentine water pipe 9 and the smoke is improved by the plurality of heat exchange fins 20, and then the heat exchange effect of the serpentine water pipe 9 and the smoke is improved.

The cooled flue gas enters the inner cavity of the filter box 3, dust in the flue gas is filtered through the filter screen 16, and then enters the inner cavity of the desulfurizing tower 1 through the air inlet connecting pipe 2.

The motor 11 drives the brush mechanism through the transmission mode, replaces traditional direct connection mode, and the cooperation is cooled down the flue gas, and then avoids carrying high temperature in the flue gas to lead to the fact the condition of influence to the motor 11 to appear, improves the stability of motor 11 during operation, prolongs the life of motor 11, reduces the maintenance cost of device.

Further, the flue gas pipe 6 is located the one end intercommunication of cooling tank 5 inner chamber and has connecting cover 7, and the vertical fixedly connected with of inner chamber of connecting cover 7 a plurality of flow divider 8.

In this embodiment, after the flue gas pipe 6 injects the flue gas into the inner cavity of the cooling box 5, when the flue gas passes through the inside of the connecting cover 7, the plurality of flow dividing sheets 8 turbulence and break up the flue gas, so that the high-temperature flue gas uniformly enters the inner cavity of the cooling box 5.

Further, one side of the filter box 3 is communicated with the other side of the inner cavity of the cooling box 5 through a transverse pipe 4.

In the embodiment, the flue gas cooled by the inner cavity of the cooling tank 5 can enter the inner cavity of the filtering tank 3 through the transverse pipe 4, and the serpentine water pipe 9 is filled with water by the external water circulation device to the internal circulation.

Further, the brush structure includes threaded rod 19, and threaded rod 19 rotationally vertical setting is in the opposite side at rose box 3 inner wall top, and threaded rod 19's surface threaded connection has thread bush 14, and the surface of thread bush 14 and the interior wall sliding connection of rose box 3, the another side fixedly connected with of thread bush 14 with filter screen 16 a side contact's brush board 15.

In this embodiment, the threaded rod 19 rotates to drive the threaded sleeve 14 to move up and down along the surface of the threaded rod 19, and the brush plate 15 can brush the surface of the filter screen 16 during the up and down movement.

Further, the transmission structure comprises a heat insulation box 10, the heat insulation box 10 is fixedly connected to the top of the filter box 3, the motor 11 is vertically and fixedly connected to the top of the heat insulation box 10, an output shaft of the motor 11 rotatably extends to the inner cavity of the heat insulation box 10 and is fixedly connected with a driving gear 12, and the top end of the threaded rod 19 rotatably extends to the inner cavity of the heat insulation box 10 and is fixedly connected with a driven gear 13 meshed with the driving gear 12.

In the present embodiment, the motor 11 drives the driving gear 12 to rotate, and then the threaded rod 19 is driven to rotate by the connection of the driven gear 13.

Further, the bottom of the filtering box 3 is vertically communicated with a vertical pipe 17, and the bottom end of the vertical pipe 17 is communicated with a collecting box 18.

In this embodiment, the dust that the clearance was dropped passes through the inside of standpipe 17, can get into the inner chamber of collecting box 18 and collect to be convenient for concentrate the processing to the dust in later stage, be provided with sealed chamber door on the collecting box 18.

Further, a bottom end of the threaded rod 19 is fixedly connected with an anti-falling block for limiting the moving distance of the threaded sleeve 14.

The working principle and the using flow of the utility model are as follows: after the utility model is installed, after the flue gas pipe 6 injects the flue gas into the inner cavity of the cooling box 5, when the flue gas passes through the inside of the connecting cover 7, the plurality of flow dividing sheets 8 disturb the flue gas, so that the high-temperature flue gas uniformly enters the inner cavity of the cooling box 5, when the high-temperature flue gas contacts with the surface of the serpentine water pipe 9, the flowing water flow in the inner cavity of the serpentine water pipe 9 enables the surface temperature of the serpentine water pipe 9 to be lower, the high-temperature flue gas exchanges heat after contacting with the surface of the serpentine water pipe 9, the temperature of the flue gas is further reduced, heat in the flue gas is recovered, the cooled flue gas enters the inner cavity of the filtering box 3 through the transverse pipe 4, and dust in the flue gas is filtered through the filter screen 16.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a desulfurization device for coal engineering, includes desulfurizing tower (1), flue gas pipe (6) and cooling mechanism, its characterized in that: the device is characterized in that an air inlet connecting pipe (2) of the desulfurizing tower (1) is communicated with a filter box (3), a filter screen (16) is fixedly connected to an inner cavity of the filter box (3), a brush structure for cleaning the filter screen (16) is arranged in the inner cavity of the filter box (3), a motor (11) is arranged at the top of the filter box (3), and the motor (11) drives the brush structure to clean the filter screen (16) through a transmission structure;

the cooling mechanism comprises a cooling box (5), the cooling box (5) is communicated with one side surface of the filtering box (3), a serpentine water pipe (9) is fixedly connected to an inner cavity of the cooling box (5), two ends of the serpentine water pipe (9) are extended to the outside of the cooling box (5), a plurality of heat exchange fins (20) are fixedly connected to the surface of the serpentine water pipe (9), and a flue gas pipe (6) is communicated with one side surface of the inner cavity of the cooling box (5).

2. The desulfurization device for coal engineering according to claim 1, wherein: the flue gas pipe (6) is located one end of the inner cavity of the cooling box (5) is communicated with a connecting cover (7), and a plurality of flow dividing sheets (8) are vertically and fixedly connected with the inner cavity of the connecting cover (7).

3. The desulfurization device for coal engineering according to claim 1, wherein: one side surface of the filter box (3) is communicated with the other side of the inner cavity of the cooling box (5) through a transverse pipe (4).

4. The desulfurization device for coal engineering according to claim 1, wherein: the brush structure comprises a threaded rod (19), the threaded rod (19) is rotatably and vertically arranged on the other side of the top of the inner wall of the filter box (3), a threaded sleeve (14) is connected to the surface of the threaded rod (19) in a threaded manner, the surface of the threaded sleeve (14) is slidably connected with the inner wall surface of the filter box (3), and a brush plate (15) in contact with one side surface of the filter screen (16) is fixedly connected to the other side surface of the threaded sleeve (14).

5. The desulfurization device for coal engineering according to claim 4, wherein: the transmission structure comprises a heat insulation box (10), the heat insulation box (10) is fixedly connected to the top of the filter box (3), the motor (11) is vertically and fixedly connected to the top of the heat insulation box (10), an output shaft of the motor (11) rotatably extends to an inner cavity of the heat insulation box (10) and is fixedly connected with a driving gear (12), and the top end of the threaded rod (19) rotatably extends to the inner cavity of the heat insulation box (10) and is fixedly connected with a driven gear (13) meshed with the driving gear (12).

6. The desulfurization device for coal engineering according to claim 1, wherein: the bottom of the filter box (3) is vertically communicated with a vertical pipe (17), and the bottom end of the vertical pipe (17) is communicated with a collecting box (18).

7. The desulfurization device for coal engineering according to claim 4, wherein: the bottom end of the threaded rod (19) is fixedly connected with an anti-drop block which limits the moving distance of the threaded sleeve (14).