CN218553559U

CN218553559U - Smoke and dust filtration equipment for desulfurization and denitrification of waste gas

Info

Publication number: CN218553559U
Application number: CN202222233798.7U
Authority: CN
Inventors: 秦心竹
Original assignee: Guizhou Jinniu Environmental Protection Technology Co ltd
Current assignee: Guizhou Jinniu Environmental Protection Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-03-03
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a smoke and dust filtration equipment for flue gas desulfurization denitration relates to smoke and dust filtration equipment technical field, including the filter tower, first fume tube, the support body, filter tower fixed mounting is on the support body, the exhaust end fixed mounting of first fume tube is in the bottom of filter tower, there is asbestos dust collection layer inside the filter tower by supreme fixed mounting in proper order down, quartz sand filter layer and active carbon filter layer, the top fixed mounting of filter tower has the second to discharge fume the pipe, fixed mounting has the air exhauster on the inner wall of second fume pipe, the outside of first fume tube is provided with the cooling body who is used for cooling down to the smoke and dust, cooling body includes the storage water tank, the storage water tank embedding is installed on the outer wall of first fume tube, the utility model discloses, can realize the cooling to the smoke and dust through the cooling body of setting, the mutually supporting of shower head, and can block the solid-state granule in the smoke and dust through shower head spun cold lack of water, play prefilter's effect to the smoke and dust.

Description

Smoke and dust filtration equipment for desulfurization and denitrification of waste gas

Technical Field

The utility model relates to a smoke and dust filtration equipment technical field especially relates to a smoke and dust filtration equipment for exhaust gas desulfurization denitration.

Background

Coal is an important fuel resource in China, metal smelting and power plant power generation are performed, coal is used as fuel, the coal is a main way in China, dust can be generated in the using process of the coal, sulfur dioxide and oxynitride are generated, a spraying method is mostly used in the sulfur and nitrate removal of industrial flue gas, sulfur oxide and the like in the flue gas are removed by alkali liquor, but because a large amount of dust and large-particle impurities exist in the flue gas, the effect of the reaction of the spraying liquid and the flue gas is influenced, the smoke dust in the waste gas needs to be removed firstly, and therefore a smoke dust filtering device for the desulfurization and the denitrification of the waste gas is needed.

When carrying out the filtration of smoke and dust, because the smoke and dust is formed by the coal burning back, the smoke and dust is higher when flowing out from the coal combustion chamber, and traditional smoke and dust filtration equipment is difficult to carry out cooling treatment to the smoke and dust generally, leads to having the smoke and dust of high temperature to cause filtration equipment's damage, influences the filter effect of equipment to the smoke and dust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that high temperature caused the damage of filtration equipment easily because the temperature when smoke and dust was discharged is higher among the prior art, and the smoke and dust filtration equipment for exhaust gas desulfurization denitration that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a smoke dust filtering device for desulfurization and denitrification of waste gas comprises a filtering tower, a first smoke exhaust pipe and a frame body, wherein the filtering tower is fixedly arranged on the frame body, the exhaust end of the first smoke exhaust pipe is fixedly arranged at the bottom of the filtering tower, an asbestos dust collecting layer, a quartz sand filtering layer and an active carbon filtering layer are fixedly arranged in the filtering tower from bottom to top in sequence, a second smoke exhaust pipe is fixedly arranged at the top of the filtering tower, and an exhaust fan is fixedly arranged on the inner wall of the second smoke exhaust pipe;

the outside of first smoke exhaust pipe is provided with the cooling body who is used for cooling down the smoke and dust, cooling body includes the storage water tank, the storage water tank embedding install in on the outer wall of first smoke exhaust pipe, install a plurality of shower heads on the diapire of storage water tank, fixed mounting has coolant tank on the diapire of first smoke exhaust pipe, coolant tank with demountable installation has the drawer frame between the first smoke exhaust pipe, the outer wall of first smoke exhaust pipe is provided with and is used for right the disassembly mechanism that the drawer frame goes on dismantling, fixed mounting has the filter screen on the inner wall of drawer frame, fixed mounting has the water pump on coolant tank's the outer wall, the end fixed mounting that intakes of water pump in coolant tank's bottom, the play water end fixed mounting of water pump in the inside of storage water tank.

The above technical solution further comprises: install the handle on the outer wall of drawer frame, disassembly body includes the fixed plate, fixed plate fixed mounting in on the outer wall of first exhaust pipe, the outer wall of fixed plate rotates and is connected with two limiting plates, the outer wall threaded connection of limiting plate has and is used for right the drawer frame carries out the positioning bolt who fixes.

Two positioning holes for inserting the positioning bolts are formed in the outer wall of the drawing frame.

And arc-shaped slopes are fixedly arranged on the positions, located on two sides of the drawing frame, of the bottom wall in the first smoke exhaust pipe respectively.

The water inlet pipe is fixedly mounted on the outer wall of the cooling water tank, and the drain pipe is fixedly mounted on the bottom wall of the cooling water tank.

The exhaust end fixed mounting of first fume exhaust pipe has a plurality of connecting rods, and is a plurality of the connecting rod is kept away from the one end of first fume exhaust pipe installs the arc jointly and fights.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, storage water tank in the cooling body through setting up, the cooling to the smoke and dust can be realized to mutually supporting of shower head, and can block the solid-state particle in the smoke and dust through shower head spun cold lack of water, play prefilter's effect to the smoke and dust, be provided with the filter screen simultaneously, water pump and coolant tank, can filter the coolant water that is stained with and attaches the smoke and dust particle to the coolant tank in through the filter screen that sets up, send into the inside to the storage water tank through the water pump that sets up with the inside water of coolant tank, thereby realize the cyclic utilization to the coolant water, the practicality of device has been improved.

2. The utility model discloses in, can realize the dismantlement to the filter screen through the mechanism of dismantling that sets up, when needs clear up the smoke and dust granule on the filter screen, rotatable positioning bolt that relieves is fixed to the drawing frame to rotate the limiting plate and keep away from the drawing frame, outwards stimulate the drawing frame through the outside handle of drawing frame and can take out it, and clear up the smoke and dust granule, avoid the smoke and dust granule to block up the filter screen and lead to the cooling water to be difficult to flow into cooling water tank in, improved the stability of cooling body work.

Drawings

FIG. 1 is a schematic cross-sectional view of a first exhaust pipe;

FIG. 2 is a schematic view showing the overall structure of the first exhaust pipe;

FIG. 3 is a schematic view of the overall structure of a flue gas desulfurization and denitrification flue dust filtration apparatus;

FIG. 4 is a schematic view showing the internal structure of a flue gas desulfurization and denitrification soot filtering apparatus;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

In the figure:

10. a filtration tower; 11. a first smoke exhaust pipe; 12. a second smoke exhaust pipe; 13. a frame body;

20. an exhaust fan;

31. an activated carbon filter layer; 32. a quartz sand filter layer; 33. an asbestos dust collecting layer;

41. an arc-shaped hopper; 42. a connecting rod;

50. a cooling water tank; 51. a water inlet pipe; 52. a drain pipe; 53. drawing the frame; 54. an arc-shaped slope; 55. a water storage tank; 56. a shower head; 57. a filter screen; 58. a water pump;

61. a fixing plate; 62. a limiting plate; 63. and (6) positioning the bolt.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

Referring to the attached drawings 1-5, the utility model provides a smoke and dust filtration equipment for desulfurization and denitration of exhaust gas, including a filtration tower 10, a first exhaust fume pipe 11, a frame body 13, the filtration tower 10 is fixedly installed on the frame body 13, the exhaust end of the first exhaust fume pipe 11 is fixedly installed at the bottom of the filtration tower 10, an asbestos dust collecting layer 33, a quartz sand filter layer 32 and an active carbon filter layer 31 are fixedly installed inside the filtration tower 10 from bottom to top in sequence, a second exhaust fume pipe 12 is fixedly installed at the top of the filtration tower 10, and an exhaust fan 20 is fixedly installed on the inner wall of the second exhaust fume pipe 12;

a cooling mechanism for cooling smoke dust is arranged outside the first smoke exhaust pipe 11, the cooling mechanism comprises a water storage tank 55, the water storage tank 55 is embedded in and mounted on the outer wall of the first smoke exhaust pipe 11, a plurality of spray headers 56 are mounted on the bottom wall of the water storage tank 55, a cooling water tank 50 is fixedly mounted on the bottom wall of the first smoke exhaust pipe 11, a drawing frame 53 is detachably mounted between the cooling water tank 50 and the first smoke exhaust pipe 11, a dismounting mechanism for dismounting the drawing frame 53 is arranged on the outer wall of the first smoke exhaust pipe 11, a filter screen 57 is fixedly mounted on the inner wall of the drawing frame 53, a water pump 58 is fixedly mounted on the outer wall of the cooling water tank 50, the water inlet end of the water pump 58 is fixedly mounted at the bottom of the cooling water tank 50, and the water outlet end of the water pump 58 is fixedly mounted inside the water storage tank 55;

the positions of the two sides of the drawing frame 53 on the bottom wall of the first smoke exhaust pipe 11 are respectively and fixedly provided with an arc-shaped slope 54, the slope of the first smoke exhaust pipe 11 far away from the drawing frame 53 is convenient for smoke dust to flow, and the slope of the first smoke exhaust pipe near one side of the drawing frame 53 is convenient for cooling water to be collected;

the exhaust end fixed mounting of first exhaust pipe 11 has a plurality of connecting rods 42, and the arc fill 41 is installed jointly to the one end that first exhaust pipe 11 was kept away from to a plurality of connecting rods 42, can avoid the outside smoke and dust granule that blocks of asbestos dust collecting layer 33 to drop to the inside of first exhaust pipe 11 through the arc fill 41 that sets up, prevents the jam of first exhaust pipe 11 exhaust end.

In this embodiment, the working principle of the device is as follows: when the device is used for cleaning smoke dust in waste gas, the air inlet end of a first exhaust pipe 11 is installed on a smoke exhaust pipe of a coal combustion chamber, then an exhaust fan 20 is started, the waste gas introduced into the first exhaust pipe 11 is cooled through a set cooling mechanism, the cooled smoke gas enters a filter tower 10, the negative pressure suction force generated by the exhaust fan 20 drives the waste gas at the bottom of the first exhaust pipe 11 to move upwards, the waste gas is deeply cleaned through an asbestos dust collecting layer 33, a quartz sand filter layer 32 and an activated carbon filter layer 31 in sequence, so that smoke dust particles in the waste gas are cleaned, and the cleaned waste gas can enter a desulfurization and denitrification box body through a second exhaust pipe 12 for further cleaning;

when the flue gas passes through the cooling mechanism, cooling water is injected into the cooling water tank 50 in advance, then the water pump 58 is started, the water pump 58 conveys the cooling water into the water storage tank 55, the cooling water is sprayed downwards through the spray header 56, and when the waste gas in the first exhaust pipe 11 flows into the filter tower 10, the cooling water sprayed by the spray header 56 is sprayed in advance, so that the waste gas is cooled through the cooling water, the waste gas is prevented from entering the filter equipment with high temperature, the protection of the filter equipment is improved, and when the cooling water cools the waste gas, the cooling water can pre-clean larger blocky particles in the waste gas;

the cooling water washes the smoke particles in the exhaust gas down and falls into the filter screen 57, the cooling water with the smoke particles is filtered through the filter screen 57, the smoke particles are left on the filter screen 57, the cooling water enters the cooling water tank 50 and is continuously conveyed to the water storage tank 55 through the water pump 58, and therefore the cooling water is reused.

Example two

As shown in fig. 1 to 5, based on the first embodiment, a handle is installed on an outer wall of the drawing frame 53, the detaching mechanism includes a fixing plate 61, the fixing plate 61 is fixedly installed on an outer wall of the first smoke exhaust pipe 11, two limiting plates 62 are rotatably connected to the outer wall of the fixing plate 61, and a positioning bolt 63 for fixing the drawing frame 53 is connected to an outer wall of the limiting plates 62 through a thread; two positioning holes for inserting the positioning bolts 63 are formed in the outer wall of the drawing frame 53, and the positioning holes improve the fixing effect of the positioning bolts 63 on the drawing frame 53;

a water inlet pipe 51 is fixedly arranged on the outer wall of the cooling water tank 50, a water outlet pipe 52 is fixedly arranged on the bottom wall of the cooling water tank 50, the cooling water in the cooling water tank 50 can be conveniently replaced through the arranged water inlet pipe 51 and the arranged water outlet pipe 52, and the cooling effect of the cooling water is prevented from being reduced due to the fact that the same batch of cooling water is used for a long time;

in this embodiment, when the soot particles on the filter screen 57 need to be cleaned, the two positioning bolts 63 are rotated counterclockwise, the positioning bolts 63 are moved out of the positioning holes in the outer wall of the pull-out frame 53, and the limiting plate 62 is rotated, so that the pull-out frame 53 can be removed from the fixed position, and then the pull-out frame 53 can be moved out by the handle outside the pull-out frame 53, so that the soot particles on the filter screen 57 are cleaned, and by cleaning the soot outside the filter screen 57, the filter screen 57 is prevented from being blocked by the soot, the cooling water is prevented from entering the cooling water tank 50, and the operation stability of the cooling mechanism is improved;

after the cooling water is used for a period of time, the heated cooling water can be discharged through the water discharge pipe 52, and new cooling water is injected through the water inlet pipe 51, thereby improving the cooling effect on the exhaust gas. The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The smoke dust filtering equipment for desulfurization and denitrification of the waste gas is characterized by comprising a filtering tower (10), a first smoke exhaust pipe (11) and a frame body (13), wherein the filtering tower (10) is fixedly installed on the frame body (13), the exhaust end of the first smoke exhaust pipe (11) is fixedly installed at the bottom of the filtering tower (10), an asbestos dust collecting layer (33), a quartz sand filtering layer (32) and an active carbon filtering layer (31) are fixedly installed inside the filtering tower (10) from bottom to top in sequence, a second smoke exhaust pipe (12) is fixedly installed at the top of the filtering tower (10), and an exhaust fan (20) is fixedly installed on the inner wall of the second smoke exhaust pipe (12);

the outside of first exhaust pipe (11) is provided with the cooling body who is used for cooling down the smoke and dust, cooling body includes storage water tank (55), storage water tank (55) embedding install in on the outer wall of first exhaust pipe (11), install a plurality of shower heads (56) on the diapire of storage water tank (55), fixed mounting has coolant tank (50) on the diapire of first exhaust pipe (11), coolant tank (50) with demountable installation has drawing frame (53) between first exhaust pipe (11), the outer wall of first exhaust pipe (11) be provided with be used for right drawing frame (53) and carrying out the disassembly body who dismantles, fixed mounting has filter screen (57) on the inner wall of drawing frame (53), fixed mounting has water pump (58) on the outer wall of coolant tank (50), the end fixed mounting that intakes of water pump (58) in the bottom of coolant tank (50), the water outlet end fixed mounting of water pump (58) in the inside of storage water tank (55).

2. The flue gas desulfurization and denitration flue dust filtering apparatus according to claim 1, wherein a handle is installed on an outer wall of the drawing frame (53), the detaching mechanism comprises a fixing plate (61), the fixing plate (61) is fixedly installed on an outer wall of the first flue pipe (11), two limiting plates (62) are rotatably connected to the outer wall of the fixing plate (61), and a positioning bolt (63) for fixing the drawing frame (53) is in threaded connection with the outer wall of each limiting plate (62).

3. The flue gas desulfurization and denitration flue dust filtering apparatus according to claim 2, wherein the outer wall of said drawing frame (53) is provided with two positioning holes for inserting said positioning bolts (63).

4. The flue gas desulfurization and denitrification flue gas filtering device according to claim 3, wherein the inner bottom wall of the first flue pipe (11) is fixedly provided with arc-shaped slopes (54) at positions on both sides of the drawing frame (53).

5. The flue gas desulfurization and denitration flue dust filtering apparatus according to claim 1, wherein a water inlet pipe (51) is fixedly installed on the outer wall of said cooling water tank (50), and a water outlet pipe (52) is fixedly installed on the bottom wall of said cooling water tank (50).

6. The flue gas desulfurization and denitration flue dust filtering apparatus according to claim 4, wherein a plurality of connecting rods (42) are fixedly installed at the exhaust end of the first flue pipe (11), and an arc-shaped hopper (41) is installed at one end of the connecting rods (42) far away from the first flue pipe (11).