CN214020101U

CN214020101U - Semidry flue gas desulfurization device

Info

Publication number: CN214020101U
Application number: CN202022900877.XU
Authority: CN
Inventors: 刘祥豹
Original assignee: Guangdong Xiang Xiang Environmental Protection Technology Co ltd
Current assignee: Guangdong Xiang Xiang Environmental Protection Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-24
Anticipated expiration: 2030-12-04

Abstract

The utility model belongs to the flue gas desulfurization field specifically is a semidry flue gas desulfurization device, including mixing the storehouse, the bottom fixed mounting who mixes the storehouse has the supporting leg, and mixes one side at storehouse top and fixedly cup jointed the flue gas and advance the pipe, the top fixed mounting who mixes the storehouse has lime humidification device, lime humidification device's bottom is fixed to be cup jointed and is connected the connecting tube, the bottom of connecting tube is fixed to be cup jointed with the accelerator plate. Through the inside in mixing the storehouse sets up accelerating plate and speed reduction plate, make the flue gas of intraductal entering of flue gas can remove along accelerating plate and speed reduction plate, and the accelerating plate is the accelerating region of slope down, and the decelerating region of slope up during the speed reduction plate, thereby make the flue gas produce the collision between accelerating and decelerating, thereby hoisting device's the mixed degree of consistency, and for further promotion mixed degree of consistency, set up the lime shower nozzle and spray out lime in the bottom of accelerating plate and speed reduction plate, the degree of consistency of mixing has been promoted by a wide margin.

Description

Semidry flue gas desulfurization device

Technical Field

The utility model relates to a flue gas desulfurization field especially relates to a semidry process flue gas desulfurization device.

Background

The flue gas desulfurization refers to the removal of sulfur oxides from industrial waste gas, and common flue gas desulfurization methods are classified into a dry process, a semi-dry process and a wet process. At present, the limestone-gypsum wet process which is mature and has more achievement is applied at home and abroad, the desulfurization efficiency is high, but the system is complex, the investment is large, the occupied area is large, and the operation cost is higher; the flue gas desulfurization and dust removal in the dry and semi-dry process technology generally adopts a desulfurization tower, flue gas conditioning combined cyclone dust removal and combined venturi tube and other equipment for connection to complete dust removal and desulfurization operation, the investment is small, but the use structure is complex, errors are easy to occur, fresh fruits are greatly discounted, so that the use needs to be guided by professionals, the use cost is increased undoubtedly, the use difficulty is in the mixing of the flue gas and the lime, the existing mixing device directly discharges the lime and the flue gas into a container to be freely mixed, the lime is often mixed unevenly, the lime is also adhered to the wall, and the use is difficult to control.

In order to solve the problems, the application provides a semidry method flue gas desulfurization device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a semidry process flue gas desulfurization device has the misce bene, and the controllability is high, characteristics simple to use.

(II) technical scheme

In order to solve the technical problem, the utility model provides a semidry flue gas desulfurization device, which comprises a mixing bin, wherein the bottom of the mixing bin is fixedly provided with a supporting leg, one side of the top of the mixing bin is fixedly sleeved with a flue gas inlet pipe, the top of the mixing bin is fixedly provided with a lime humidifying device, the bottom of the lime humidifying device is fixedly sleeved with a connecting pipeline, the bottom of the connecting pipeline is fixedly sleeved with an accelerating plate, the other side of the accelerating plate is fixedly sleeved with a circulating pipeline, the other end of the circulating pipeline is fixedly sleeved with a decelerating plate, the bottom of the accelerating plate is fixedly sleeved with a lime spray head, the bottom of the mixing bin is fixedly sleeved with a lower electromagnetic valve, one side of the lower electromagnetic valve is fixedly sleeved with a three-way head, the top of the three-way head is fixedly sleeved with a flue gas pipe, the other end of the semidry flue gas pipe is fixedly sleeved with a cloth bag dust removal device, the top fixed mounting of sack dust collector has last pulse device, the fixed pulse solenoid valve that has cup jointed in one side of going up the pulse device top, and the fixed cover of the opposite side of going up pulse device has connect the net gas export, the fixed cover in bottom of sack dust collector has connect the dust exhaust pipe, the fixed cover in bottom of dust exhaust pipe has connect album dirt recovery unit.

Preferably, the acceleration plate and the deceleration plate are of the same structure, and the inclination directions of the acceleration plate and the deceleration plate are opposite.

Preferably, the lower electromagnetic valve is fixedly sleeved at the bottom of the discharge hole at the bottom of the mixing bin, and the lower electromagnetic valve is in wireless connection with the control system.

Preferably, the top end of the semi-dry flue gas pipe is fixedly sleeved with a connecting air port, the bottom end of the connecting air port is fixedly installed on one side of the cloth bag dust removal device, and a wind direction guide blade is arranged in the connecting air port.

Preferably, the front surface of the bag-type dust collector is fixedly provided with an observation port, and the observation port is a transparent glass plate.

Preferably, the bottom of the cloth bag dust removal device is movably sleeved with a lower dust exhaust valve, and the bottom end of the lower dust exhaust valve penetrates through the cloth bag dust removal device and is movably sleeved with a dust exhaust pipe.

The above technical scheme of the utility model has following profitable technological effect:

1. through the inside in mixing the storehouse sets up accelerating plate and speed reduction plate, make the flue gas of intraductal entering of flue gas can remove along accelerating plate and speed reduction plate, and the accelerating plate is the accelerating region of slope down, and the decelerating region of slope up during the speed reduction plate, thereby make the flue gas produce the collision between accelerating and decelerating, thereby hoisting device's the mixed degree of consistency, and for further promotion mixed degree of consistency, set up the lime shower nozzle and spray out lime in the bottom of accelerating plate and speed reduction plate, the degree of consistency of mixing has been promoted by a wide margin.

2. Through set up half dry flue gas pipe between mixing storehouse and sack dust collector, make the flue gas after mixing can enter into in the sack dust collector through half dry flue gas pipe and carry out the sack dust removal, and set up the dust exhaust pipe in sack dust collector's bottom, and control the dust exhaust pipe through lower dust discharge valve, make the dust accumulational more time, can open the dust exhaust pipe and discharge the dust and collect in the collection dirt recovery unit, later carry out simple separation, can retrieve lime, use cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic view of the structure of the connecting tuyere of the present invention.

Reference numerals:

1. a mixing bin; 2. supporting legs; 3. a flue gas inlet pipe; 4. a lime humidifying device; 5. connecting a pipeline; 6. an accelerator plate; 7. a circulation pipe; 8. a speed reduction plate; 9. a lime spray head; 10. a lower electromagnetic valve; 11. a tee joint; 12. a semi-dry flue gas pipe; 13. connecting the air port; 14. a bag type dust collector; 15. a viewing port; 16. an upper pulse device; 17. a pulse electromagnetic valve; 18. a purified gas outlet; 19. a lower dust discharge valve; 20. a dust exhaust pipe; 21. a dust collection and recovery device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, a semi-dry flue gas desulfurization device is provided, which comprises a mixing bin 1, wherein a support leg 2 is fixedly installed at the bottom of the mixing bin 1, a flue gas inlet pipe 3 is fixedly sleeved at one side of the top of the mixing bin 1, a lime humidifying device 4 is fixedly installed at the top end of the mixing bin 1, a connecting pipeline 5 is fixedly sleeved at the bottom end of the lime humidifying device 4, an accelerating plate 6 is fixedly sleeved at the bottom end of the connecting pipeline 5, a circulating pipeline 7 is fixedly sleeved at the other side of the accelerating plate 6, a decelerating plate 8 is fixedly sleeved at the other end of the circulating pipeline 7, a lime spray nozzle 9 is fixedly sleeved at the bottom end of the accelerating plate 6, a lower electromagnetic valve 10 is fixedly sleeved at the bottom end of the mixing bin 1, a three-way head 11 is fixedly sleeved at one side of the lower electromagnetic valve 10, a semi-dry flue gas pipe 12 is fixedly sleeved at the top end of the three-way head 11, and a cloth bag dust removal device 14 is fixedly sleeved at the other end of the semi-dry flue gas pipe 12, the top of the cloth bag dust removing device 14 is fixedly provided with an upper pulse device 16, one side of the top of the upper pulse device 16 is fixedly sleeved with a pulse electromagnetic valve 17, the other side of the upper pulse device 16 is fixedly sleeved with a clean air outlet 18, the bottom end of the cloth bag dust removing device 14 is fixedly sleeved with a dust exhaust pipe 20, and the bottom end of the dust exhaust pipe 20 is fixedly sleeved with a dust collection recovery device 21.

As shown in fig. 1, the accelerating plate 6 and the decelerating plate 8 are of the same structure, the inclining directions of the accelerating plate 6 and the decelerating plate 8 are opposite, the directions of the accelerating plate 6 and the decelerating plate 8 are set to be opposite, so that the accelerating plate 6 is used for accelerating the smoke, the decelerating plate 8 is used for decelerating the smoke, the accelerated smoke collides with the decelerated smoke, the stirring purpose is achieved, the smoke and lime are mixed more uniformly, the wall adhesion condition cannot occur, and the device is more comfortable to use.

In this embodiment, the lower electromagnetic valve 10 is fixedly sleeved at the bottom of the discharge port at the bottom of the mixing bin 1, and the lower electromagnetic valve 10 is wirelessly connected with the control system, by connecting the lower electromagnetic valve 10 to the discharge port of the mixing bin 1, the lower electromagnetic valve 10 can control whether the flue gas is discharged or not, and the lower electromagnetic valve 10 is wirelessly connected with the control system, so that the device has a remote control function, and the controllability of the device is improved.

As shown in fig. 1 and 2, the top end of the semi-dry flue gas pipe 12 is fixedly sleeved with a connecting tuyere 13, the bottom end of the connecting tuyere 13 is fixedly installed at one side of a cloth bag dust removing device 14, a wind direction guide blade is arranged in the connecting tuyere 13, the connecting tuyere 13 is arranged at the top of the semi-dry flue gas pipe 12, and the guide blade is arranged in the connecting tuyere 13, so that flue gas can be guided through the guide blade, damage caused by flue gas impact is reduced, and reliability of the device is improved.

It should be noted that, the front fixed mounting of sack dust collector 14 has viewing aperture 15, and viewing aperture 15 is the transparent glass board, sets up viewing aperture 15 through the front at sack dust collector 14 to can observe the condition in sack dust collector 14 through viewing aperture 15, promote the practicality of device, make things convenient for the staff to judge whether need carry out the dust exhaust.

It should be understood that the bottom of the bag-type dust collector 14 is movably sleeved with a lower dust exhaust valve 19, the bottom end of the lower dust exhaust valve 19 penetrates through the bag-type dust collector 14 and is movably sleeved with a dust exhaust pipe 20, the lower dust exhaust valve 19 is arranged at the bottom of the bag-type dust collector 14, and the lower dust exhaust valve 19 is connected with the dust exhaust pipe 20, so that the opening and closing of the dust exhaust pipe 20 are controlled through the lower dust exhaust valve 19, and when dust exhaust is needed, the lower dust exhaust valve 19 is opened to exhaust dust, that is, the reliability of bag-type dust collection is ensured.

The utility model discloses a theory of operation and use flow: firstly, the device is placed at a required position, then the device is started, the smoke inlet pipe 3 is connected with the smoke inlet pipe, the lime humidifying device 4 is connected with the lime pipe and the humidifying pipe, the device is used, humidifying lime of the lime humidifying device 4 is discharged into the accelerating plate 6 and the decelerating plate 8 by the connecting pipeline 5 and is sprayed out through the lime spray head 9 so as to be mixed with the smoke, the speed of the smoke is fast and slow, the mixing uniformity is improved, after the mixing is finished, the smoke enters the cloth bag dust removing device 14 through the semi-dry smoke pipe 12, dust removal is started, clean gas is discharged to the outside through the clean gas outlet 18, the dust is discharged into the dust collecting and recovering device 21 through the dust discharging pipe 20 and is recovered, and finally, the device is maintained and cleaned at regular time.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a semidry flue gas desulfurization device, includes mixing bunker (1), its characterized in that, the bottom fixed mounting of mixing bunker (1) has supporting leg (2), and one side at mixing bunker (1) top is fixed to have cup jointed the flue gas and has advanced pipe (3), the top fixed mounting of mixing bunker (1) has lime humidification device (4), the bottom of lime humidification device (4) is fixed to have cup jointed connecting tube (5), the bottom of connecting tube (5) is fixed to have cup jointed accelerating plate (6), the opposite side of accelerating plate (6) is fixed to have cup jointed circulating line (7), the other end of circulating line (7) is fixed to have cup jointed decelerating plate (8), the bottom of accelerating plate (6) is fixed to have cup jointed lime shower nozzle (9), the bottom of mixing bunker (1) is fixed to have cup jointed down solenoid valve (10), one side of solenoid valve (10) is fixed to have cup jointed three-way head (11) down, the fixed cover in top of three-way head (11) has connect half dry flue gas pipe (12), the fixed cover in the other end of half dry flue gas pipe (12) has connect sack dust collector (14), the top fixed mounting of sack dust collector (14) has last pulse device (16), it has pulse solenoid valve (17) to go up fixed the having cup jointed in one side at pulse device (16) top, and the fixed clean gas export (18) of having cup jointed of opposite side of going up pulse device (16), the fixed cover in bottom of sack dust collector (14) has connect dust exhaust pipe (20), the fixed cover in bottom of dust exhaust pipe (20) has connect collection dirt recovery unit (21).

2. The semi-dry flue gas desulfurization device according to claim 1, wherein the acceleration plate (6) and the deceleration plate (8) have the same structure, and the acceleration plate (6) and the deceleration plate (8) have opposite inclination directions.

3. The semi-dry flue gas desulfurization device according to claim 1, wherein the lower electromagnetic valve (10) is fixedly sleeved at the bottom of the discharge hole at the bottom of the mixing bin (1), and the lower electromagnetic valve (10) is wirelessly connected with a control system.

4. The semi-dry flue gas desulfurization device according to claim 1, wherein the top end of the semi-dry flue gas pipe (12) is fixedly sleeved with a connecting tuyere (13), the bottom end of the connecting tuyere (13) is fixedly installed at one side of the cloth bag dust removal device (14), and a wind direction guide blade is arranged in the connecting tuyere (13).

5. The semi-dry flue gas desulfurization device according to claim 1, wherein the front surface of the cloth bag dust collector (14) is fixedly provided with an observation port (15), and the observation port (15) is a transparent glass plate.

6. The semi-dry flue gas desulfurization device according to claim 1, wherein a lower dust exhaust valve (19) is movably sleeved at the bottom of the cloth bag dust removal device (14), and the bottom end of the lower dust exhaust valve (19) penetrates through the cloth bag dust removal device (14) and is movably sleeved with the dust exhaust pipe (20).