CN215822691U - Dehumidification ash removal gas cleaning device - Google Patents

Abstract

The utility model discloses a dehumidification and ash removal flue gas purification device, which comprises a purification box and a flue pipe, silica gel particle case, the draught fan, still including setting up purifier and the belt cleaning device of setting in the purifying box, purifier includes two showers and two filter screens, smoke inlet and outlet have been seted up respectively to the both sides of purifying box, tobacco pipe fixed connection is in smoke inlet department, draught fan and outlet fixed connection, silica gel particle case slides and sets up in the purifying box, two filter screens slide and set up the both sides at silica gel particle case, the filter screen all sets up in the purifying box through dismantling with silica gel particle case, the top in purifying box one side is fixed to two shower symmetries, purifying box bottom is provided with collecting box and collecting box setting under the shower, be provided with the water delivery device who is used for the shower water delivery on the purifying box outer wall, solved current silica gel particle installation and dismantled inconvenient and can't carry out inside clear problem to ash removal filter cartridge.

Description

Dehumidification ash removal gas cleaning device

Technical Field

The utility model relates to a flue gas purification device, in particular to a dehumidification and ash removal flue gas purification device.

Background

In the heating power generation process of steam power plant, can produce a large amount of flue gases often, contain a large amount of dust particulate matters and moisture in the flue gas, if the flue gas is in the direct discharge air, can contaminated air, aggravate haze weather.

Chinese utility model CN2020203119136 relates to a dehumidification ash-removal flue gas purification device, the technical scheme is, including a dehumidification filter cylinder and an ash-removal filter cylinder, the dehumidification filter cylinder is filled with silica gel particles covering the cross section of its inner cavity, the center of the ash-removal filter cylinder is provided with an ash-removal filter core coaxial with its inner cavity, the ash-removal filter core comprises an end cover and a filter core body, the side wall of one side of the ash-removal filter cylinder is uniformly distributed with a plurality of upper ash-blowing pipelines, the side wall of the ash-removal filter cylinder opposite to the upper ash-blowing pipelines is uniformly distributed with a plurality of lower ash-blowing pipelines, the flue gas outlet pipe is provided with a pressure sensor for detecting the internal flue gas pressure, the outer wall of the ash-removal filter cylinder is provided with a control mechanism, the utility model has the advantages of fast assembly, good tightness, flue gas dehumidification is carried out through silica gel particles, flue gas dust removal is carried out through the filter core, good dehydration, dust removal and ash removal effects are achieved, the protection of instruments such as a flue gas analyzer when the flue gas is extracted, the pressure of the flue gas outlet pipe is monitored through the pressure, and (4) carrying out blockage clearing operation without stopping, and carrying out real-time online monitoring.

The flange that the dehumidification that is equipped with silica gel granule in foretell technical scheme was strained a section of thick bamboo and is adopted is fixed, and the in-process inconvenient and the unable service behavior who observes silica gel granule very of installation and dismantlement can only rely on experience periodic replacement, and the ash removal is strained the interior only simple renew cartridge body of equipment and can not be strained the section of thick bamboo inside to the ash removal and wash, and the dust can be attached to on the inner wall and cause very big inconvenience to subsequent cleaning work in long-term use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dehumidification and ash removal flue gas purification device, which solves the problems that the existing silica gel particles are inconvenient to install and disassemble and an ash removal filter cylinder cannot be internally cleaned.

The technical purpose of the utility model is realized by the following technical scheme:

a dehumidification and ash removal flue gas purification device comprises a purification box, a flue pipe, a silica gel particle box and an induced draft fan, and also comprises a purification device arranged in the purification box and a cleaning device arranged in the purification box, the purification device comprises two spray pipes and two filter screens, the two sides of the purification box are respectively provided with a smoke inlet and a smoke outlet, the smoke tube is fixedly connected with the smoke inlet, the draught fan is fixedly connected with the smoke outlet, the silica gel particle box is arranged in the purifying box in a sliding manner, the two filter screens are arranged on two sides of the silica gel particle box in a sliding manner, the filter screen and the silica gel particle box are both arranged in the purifying box through detachable connection, the two spraying pipes are symmetrically fixed at the top of one side of the purifying box, the bottom of the purifying box is provided with a collecting box which is arranged under the spray pipe, and the outer wall of the purifying box is provided with a water delivery device for delivering water to the spray pipe.

By adopting the technical scheme, when the smoke is required to be purified, the draught fan is started, the air in the purifying box is discharged through the draught fan, so that the smoke enters the purifying box through the smoke pipe, at the moment, the water delivery device is started, water is input into the spray pipes through the water delivery device and is sprayed out through the two spray pipes, so that the gas which can be adsorbed by the water is adsorbed, the wastewater falls into the collecting box for collection treatment, the gas which can not be adsorbed is primarily filtered through the first filter screen, the moisture in the gas is adsorbed and dehydrated through the silica gel particle box, the dehydrated gas is contacted with the second filter screen again, the gas is secondarily filtered through the filter screens, the gas is discharged from the smoke outlet after being filtered, the filter screens and the silica gel particle box are detachably connected, so that the quick replacement can be realized, the cleaning device can be started when the purification stops, the interior of the purifying box is cleaned by a cleaning device.

As preferred, can dismantle the connection and include a plurality of limiting plates and closing plate one, the wide groove has been seted up on the lateral wall of purifying box, the upper and lower both sides at the purifying box are fixed to the limiting plate symmetry, silica gel granule case and filter screen all slide to set up between two limiting plates, silica gel granule case box adopts transparent material, be fixed with sealing strip one on one side lateral wall of closing plate one, closing plate one realizes the joint cooperation through sealing strip one and wide groove, be fixed with the pulling handle on a closing plate opposite side lateral wall.

Adopt above-mentioned technical scheme, when needs are changed filter screen and silica gel granule case, stimulate closing plate one through the pulling handle earlier, closing plate one stimulates sealing strip one and removes, make sealing strip one not in the joint cooperation with the wide groove, thereby can take off closing plate one, thereby can pull out equipment between two limiting plates and change at pulling filter screen and silica gel granule case, silica gel granule case adopts transparent material to make when wanting to observe the in service behavior of silica gel granule, pull open the in service behavior of seeing the silica gel granule that closing plate one can be clear and be convenient for in time change the silica gel granule case.

Preferably, the water delivery device comprises a water storage tank and a water pump, the water storage tank is arranged on the side wall of the purification tank, the water pump is fixed on the purification tank, a first pipeline is fixedly connected between the water pump and the water storage tank, a second pipeline is fixedly connected to one end, far away from the first pipeline, of the water pump, and the second pipeline penetrates through the side wall of the purification tank and is connected with the spray pipe.

By adopting the technical scheme, when water is needed to be conveyed into the spray pipe, the water pump is started, the water pump sucks water out of the water storage tank through the first pipeline and discharges the water through the second pipeline, and therefore water flow can enter the spray pipe through the second pipeline.

Preferably, the cleaning device comprises a second sealing plate and a plurality of spray heads, a third pipeline is fixedly connected to the side wall of the second pipeline and fixed to the outer wall of the purifying box, a connecting rod is arranged at the joint of the third pipeline and the second pipeline in a rotating mode, the second sealing plate is fixed to the connecting rod, a second sealing ring is arranged on the outer wall of the second sealing plate, one end of the connecting rod penetrates through the joint of the third pipeline and the second pipeline and is fixedly provided with a hand wheel, the third pipeline is fixedly connected with a fourth pipeline, the fourth pipeline is arranged in the wall thickness of the purifying box, the spray heads are fixed to the fourth pipeline, one end of each spray head penetrates through the purifying box and is arranged in the purifying box, a drain pipe is fixedly connected to the bottom of the purifying box, and an electric control valve is fixed to the drain pipe.

Adopt above-mentioned technical scheme, when purifying the end and need rinse the purifying box, take out filter screen and silica gel granule case from the purifying box, the hand wheel rotates, it rotates to drive the connecting rod through the hand wheel, it rotates to drive closing plate two through the connecting rod, thereby the rotation of closing plate two seals pipeline two, rivers flow in pipeline three, in three inflow pipeline four of management pipeline, spout through the shower nozzle of fixing at pipeline four, the shower nozzle makes rivers be the form blowout of loosing, thereby spray through the synchronization of each shower nozzle and can rinse the inner wall of purifying box, at this moment starting electrical control valve, make the drain pipe open, thereby sewage can follow the drain pipe and discharge.

Preferably, the two filter screens are respectively a coarse filter screen and an active carbon filter screen, and a non-woven fabric is fixed on one side of the coarse filter screen close to the spray pipe.

Adopt above-mentioned technical scheme, carry out prefilter to the flue gas through the coarse-grained filter screen, carry out secondary filter through the active carbon filter screen to the flue gas, utilize the non-woven fabrics can absorb the moisture that contains of gas to increase silica gel particle case's use ageing.

Preferably, a controller is fixed to the purification box.

By adopting the technical scheme, the running states of the water pump and the electric control valve are controlled by the controller, so that the water pump and the electric control valve are always in the proper running states.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram of an embodiment of a structure for showing a take-out top of a purge bin;

FIG. 3 is a schematic half-sectional view of an embodiment showing a purification box;

fig. 4 is a schematic diagram illustrating the connection between the second pipe and the third pipe according to the embodiment.

Reference numerals: 1. a purification box; 2. a smoke pipe; 3. a silica gel particle box; 4. an induced draft fan; 5. a purification device; 6. a cleaning device; 7. a shower pipe; 8. a filter screen; 9. a smoke inlet; 10. a smoke outlet; 11. a collection box; 12. a water delivery device; 13. a limiting plate; 14. a first sealing plate; 15. a wide groove; 16. a first sealing strip; 17. pulling the handle; 18. a water storage tank; 19. a water pump; 20. a first pipeline; 21. a second pipeline; 23. a spray head; 24. a connecting rod; 25. a second sealing plate; 26. a second sealing ring; 27. a hand wheel; 28. a third pipeline; 29. a fourth pipeline; 30. a drain pipe; 31. an electrically controlled valve; 32. coarse-effect filter screen; 33. an active carbon filter screen; 34. non-woven fabrics; 35. and a controller.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.

See fig. 1 to 4, a dehumidification ash-removing gas cleaning device 5, including purifying box 1, tobacco pipe 2, silica gel granule case 3, draught fan 4, still including setting up the purifier 5 in purifying box 1, purifier 5 includes two shower 7 and two filter screens 8, smoke inlet 9 and outlet 10 have been seted up respectively to purifying box 1's both sides, 2 fixed connection of tobacco pipe are in smoke inlet 9 departments, draught fan 4 and outlet 10 fixed connection, be fixed with controller 35 on the purifying box 1, when needs purify the flue gas, start draught fan 4 through controller 35, discharge the air in the purifying box 1 through draught fan 4, thereby the flue gas passes through tobacco pipe 2 and gets into in the purifying box 1.

Referring to fig. 2, a water delivery device 12 for delivering water to the spray pipes 7 is arranged on the outer wall of the purification box 1, the water delivery device 12 comprises a water storage tank 18 and a water pump 19, the water storage tank 18 is arranged on the side wall of the purification box 1, the water pump 19 is fixed on the purification box 1, when water delivery is required in the spray pipes 7, the water pump 19 is started through a controller 35, a first pipeline 20 is fixedly connected between the water pump 19 and the water storage tank 18, the water pump 19 sucks water out of the water storage tank 18 through the first pipeline 20, a second pipeline 21 is fixedly connected to one end of the water pump 19, which is far away from the first pipeline 20, and is discharged through the second pipeline 21, the second pipeline 21 penetrates through the side wall of the purification box 1 to be connected with the spray pipes 7, water flows through the second pipeline 21 to enter the spray pipes 7, the two spray pipes 7 are symmetrically fixed on the top of one side of the purification box 1, water flows are sprayed out through the two spray pipes 7, so as to adsorb gas capable of being adsorbed by water, the bottom of the purifying box 1 is provided with a collecting box 11, the collecting box 11 is arranged under the spray pipe 7, and the wastewater falls into the collecting box 11 for collection and treatment.

As shown in fig. 3, silica gel granule case 3 slides and sets up in purifying box 1, two filter screens 8 slide and set up the both sides at silica gel granule case 3, two filter screens 8 are coarse filter screen 32 and active carbon filter screen 33 respectively, can not be by absorbent gaseous carrying out prefiltration through coarse filter screen 32, one side that coarse filter screen 32 is close to shower 7 is fixed with non-woven fabrics 34, utilize non-woven fabrics 34 to carry out the primary absorption to the moisture that contains of gas, thereby increase silica gel granule case 3's use ageing, adsorb the dehydration at silica gel granule case 3 moisture in to the gas, gas after the dehydration contacts with active carbon filter screen 33 again, carry out the secondary filter to gas through active carbon filter screen 33.

As shown in fig. 1 to 3, the coarse filter screen 32, the activated carbon filter screen 33 and the silica gel particle box 3 can be detachably connected and arranged in the purifying box 1, so that the coarse filter screen 32, the activated carbon filter screen 33 and the silica gel particle box 3 can be quickly replaced, the detachable connection comprises a plurality of limiting plates 13 and a sealing plate I14, a wide groove 15 is formed on the side wall of the purifying box 1, a sealing strip I16 is symmetrically fixed on the side wall of one side of the sealing plate I14, the sealing plate I14 is in clamping fit with the wide groove 15 through the sealing strip I16, a pulling handle 17 is fixed on the side wall of the other side of the sealing plate I14, when the coarse filter screen 32, the activated carbon filter screen 33 and the silica gel particle box 3 need to be replaced, the sealing plate I14 is pulled through the pulling handle 17, the sealing plate I14 pulls the sealing strip I16 to move, so that the sealing strip I16 is not in clamping fit with the wide groove 15, thereby can take off closing plate 14, the upper and lower both sides at purifying box 1 are fixed to the limiting plate 13 symmetry, coarse filter 32, activated carbon filter 33, silica gel granule case 3 all slides and sets up between two limiting plates 13, realize coarse filter 328 through limiting plate 13, activated carbon filter 33, silica gel granule case 3's support, after closing plate 14 takes off, at the coarse filter 32 of pulling, activated carbon filter 33, silica gel granule case 3 thereby can pull out equipment between two limiting plates 13 and change, silica gel granule case 3 box adopts transparent material, silica gel granule case 3 adopts transparent material to make when wanting to observe the in service behavior of silica gel granule, the in service behavior of seeing clearly silica gel granule that can understand that pull open closing plate 14 is convenient for in time change silica gel granule case 3.

As shown in fig. 2 to 4, a cleaning device 6 is arranged in the purifying box 1, after the purification is stopped, the cleaning device 6 can be used for cleaning the interior of the purifying box 1, the cleaning device 6 comprises a sealing plate II 25 and a plurality of nozzles 23, a pipeline III 28 is fixedly connected to the side wall of the pipeline II 21, the pipeline III 28 is fixed to the outer wall of the purifying box 1, a connecting rod 24 is rotatably arranged at the joint of the pipeline III 28 and the pipeline II 21, one end of the connecting rod 24 penetrates through the joint of the pipeline III 28 and the pipeline II 21 and is fixedly provided with a hand wheel 27, when the purifying box 1 needs to be cleaned after the purification is finished, the activated carbon filter screen 33, the coarse filter screen 32 and the silica gel particle box 3 are taken out of the purifying box 1, the hand wheel 27 is rotated, the connecting rod 24 is driven by the hand wheel 27 to rotate, the sealing plate II 25 is fixed to the connecting rod 24, the sealing plate II 25 is driven by the connecting rod 24 to rotate, and the sealing ring II 26 is arranged on the outer wall of the sealing plate II 25, the rotation of the second sealing plate 25 drives the second sealing ring 26 to rotate, so that the second pipeline 21 is sealed, and water flows into the third pipeline 28.

The third pipeline 28 is fixedly connected with a fourth pipeline 29, the fourth pipeline 29 is arranged in the wall thickness of the purifying box 1, water flows through the third pipeline 28 and flows into the fourth pipeline 29, each spray head 23 is fixed on the fourth pipeline 29, one end of each spray head 23 penetrates through the purifying box 1 and is arranged in the purifying box 1, the water is sprayed out through a spray head 23 fixed on a pipeline four 29, the spray head 23 enables the water flow to be sprayed out in a scattered manner, the inner wall of the purifying box 1 can be cleaned by synchronously spraying the spray heads 23, the bottom of the purifying box 1 is fixedly connected with a drain pipe 30, an electric control valve 31 is fixed on the drain pipe 30, at this time, when the electrically controlled valve 31 is actuated so that the drain pipe 30 is opened, the sewage can be discharged from the drain pipe 30, thereby realized the washing to purifying box 1, can install activated carbon filter screen 33, coarse filter screen 32 and silica gel granule case 3 back again in purifying box 1 after the washing to can continue to purify work.

Claims (6)

1. A dehumidification ash-removal flue gas purification device comprises a purification box (1), a flue pipe (2), a silica gel particle box (3), a draught fan (4) and is characterized by further comprising a purification device (5) arranged in the purification box (1) and a cleaning device (6) arranged in the purification box (1), wherein the purification device (5) comprises two spray pipes (7) and two filter screens (8), a flue inlet (9) and a flue outlet (10) are respectively arranged on two sides of the purification box (1), the flue pipe (2) is fixedly connected with the flue inlet (9), the draught fan (4) is fixedly connected with the flue outlet (10), the silica gel particle box (3) is arranged in the purification box (1) in a sliding manner, the filter screens (8) are arranged on two sides of the silica gel particle box (3) in a sliding manner, the filter screens (8) and the silica gel particle box (3) are both arranged in the purification box (1) in a detachable manner, the two spray pipes (7) are symmetrically fixed at the top of one side of the purification box (1), a collection box (11) is arranged at the bottom of the purification box (1), the collection box (11) is arranged under the spray pipes (7), and a water delivery device (12) for delivering water to the spray pipes (7) is arranged on the outer wall of the purification box (1).

2. The dehumidification ash-removal flue gas purification device according to claim 1, wherein the detachable connection comprises a plurality of limiting plates (13) and a first sealing plate (14), a wide groove (15) is formed in the side wall of the purification box (1), the limiting plates (13) are symmetrically fixed on the upper side and the lower side of the purification box (1), the silica gel particle box (3) and the filter screen (8) are arranged between the two limiting plates (13) in a sliding mode, the box body of the silica gel particle box (3) is made of transparent materials, a first sealing strip (16) is fixed on the side wall of one side of the first sealing plate (14), the first sealing plate (14) is in clamping fit with the wide groove (15) through the first sealing strip (16), and a pulling handle (17) is fixed on the side wall of the other side of the first sealing plate (14).

3. A dehumidifying and ash-removing flue gas purifying device as claimed in claim 2, wherein said water delivery device (12) comprises a water storage tank (18) and a water pump (19), said water storage tank (18) is disposed on the side wall of the purifying tank (1), said water pump (19) is fixed on the purifying tank (1), a first pipeline (20) is fixedly connected between said water pump (19) and said water storage tank (18), a second pipeline (21) is fixedly connected to one end of said water pump (19) far from said first pipeline (20), and said second pipeline (21) penetrates through the side wall of the purifying tank (1) and is connected with the spray pipe (7).

4. The dehumidification and ash removal flue gas purification device according to claim 3, wherein the cleaning device (6) comprises a second sealing plate (25) and a plurality of spray heads (23), a third pipeline (28) is fixedly connected to the side wall of the second pipeline (21), the third pipeline (28) is fixed to the outer wall of the purification box (1), a connecting rod (24) is rotatably arranged at the joint of the third pipeline (28) and the second pipeline (21), the second sealing plate (25) is fixed to the connecting rod (24), a second sealing ring (26) is arranged on the outer wall of the second sealing plate (25), one end of the connecting rod (24) penetrates through the joint of the third pipeline (28) and the second pipeline (21) and is fixedly provided with a hand wheel (27), a fourth pipeline (29) is fixedly connected to the third pipeline (28), and the fourth pipeline (29) is arranged in the wall thickness of the purification box (1), each shower nozzle (23) all is fixed on pipeline four (29), the one end of shower nozzle (23) is run through purifying box (1) and is set up in purifying box (1), purifying box (1) bottom fixedly connected with drain pipe (30), be fixed with electric control valve (31) on drain pipe (30).

5. A dehumidifying and ash-removing gas cleaning device as claimed in claim 4, wherein said two filter screens (8) are respectively a coarse filter screen (32) and an activated carbon filter screen (33), and a non-woven fabric (34) is fixed on one side of said coarse filter screen (32) close to said spray pipe (7).

6. A dehumidifying and ash-removing flue gas cleaning device as claimed in claim 5, wherein a controller (35) is fixed on said cleaning box (1).

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