CN216964021U

CN216964021U - Waste gas treatment equipment

Info

Publication number: CN216964021U
Application number: CN202220430380.2U
Authority: CN
Inventors: 杨连升; 刘晖; 李莹
Original assignee: Hebei Zhongneng Huanke Environmental Protection Engineering Technology Co ltd
Current assignee: Hebei Zhongneng Huanke Environmental Protection Engineering Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-15
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to waste gas treatment equipment; the dust can be pretreated, the water consumption for wet dust removal is reduced, the dust removal effect is improved, and the dust collection water is favorably discharged; the dust pretreatment device comprises a horizontal spraying dust removal tower, a right-angle air inlet pipeline and a dust pretreatment mechanism arranged on the right-angle air inlet pipeline, wherein the output end of the right-angle air inlet pipeline is communicated with the input end of the horizontal spraying dust removal tower, the dust pretreatment mechanism is positioned at a right-angle turning part on the right-angle air inlet pipeline, the dust pretreatment mechanism comprises a fixed impeller air duct, a rotating shaft and a plurality of groups of movable impellers, the fixed impeller air duct is fixedly arranged on the inner wall of the top end of the right-angle air inlet pipeline, the rotating shaft can be rotatably arranged at the central axis of the fixed impeller air duct, a driving motor for providing power for the rotation of the rotating shaft is fixedly arranged on the right-angle air inlet pipeline, an ash discharge hopper is arranged at the bottom of the right-angle air inlet pipeline, and a discharge valve is arranged at the output end of the ash discharge hopper.

Description

Waste gas treatment equipment

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to waste gas treatment equipment.

Background

As is well known, an exhaust gas treatment device is a device for treating smoke dust in exhaust gas; the existing waste gas dust removal treatment equipment adopts a vertical washing tower more, a washing tower adopting ceramic filler is disclosed as publication (announcement) No. CN212142107U, the washing tower comprises a washing tower body, ceramic filler is connected in the washing tower body, an air inlet and an air outlet are arranged on the washing tower body, a supporting structure for supporting the ceramic filler is connected in the washing tower body, the supporting structure comprises a cross support frame and a ring support frame which are connected in the washing tower body, a filler supporting grid plate is connected above a support body formed by the cross support frame and the ring support frame, a glass fiber reinforced plastic anti-corrosion supporting steel pipe is connected below the support body, the bottom of the supporting steel pipe is fixedly connected at the bottom of the washing tower body, the ceramic filler is located on the filler supporting grid plate, and the top of the washing tower is connected with a spraying system. The supporting structure in the washing tower has a good supporting effect on the ceramic filler, and the neutralizing liquid sprayed by the spraying system is uniformly distributed in the washing tower, so that the waste gas in the washing tower is better treated, and the waste gas is more thoroughly purified; during the use, the dust content in the waste gas is high during the waste gas treatment process, the water consumption is high during the wet dust removal treatment process of the washing tower, the mud content in the sewage after the dust removal treatment is high, the sewage is not easy to discharge, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the waste gas treatment equipment which is used for pretreating dust, reduces the water consumption for wet dust removal, improves the dust removal effect and is beneficial to discharging dust absorption water.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: including horizontal spray dust removal tower, right angle air inlet pipe and install the dust pretreatment mechanism on right angle air inlet pipe, the output of right angle air inlet pipe and the input intercommunication of horizontal spray dust removal tower, the right angle turn that dust pretreatment mechanism was located right angle air inlet pipe upper position, dust pretreatment mechanism includes stator blade air duct, pivot and multiunit movable vane, stator blade air duct fixed mounting is on right angle air inlet pipe's top inner wall, the pivot is rotatable to be installed in stator blade air duct central axis department, multiunit movable vane top-down's fixed mounting in the pivot, fixed mounting has the driving motor who provides power for the pivot rotation on the right angle air inlet pipe, right angle air inlet pipe bottom is provided with the ash discharge fill, the bin valve is installed to the output of ash discharge fill.

Preferably, the horizontal spray dust removal tower includes tower body, inlet tube and multiunit spray disc, the installation section of thick bamboo of multiunit and the inside intercommunication of tower body is installed at the tower body top, and multiunit spray disc is installed respectively in the installation section of thick bamboo that corresponds, the output of inlet tube and the input intercommunication of multiunit spray disc, tower body bottom right part is provided with the blow off pipe, the blast pipe is installed to the right part of tower body.

Preferably, the bottom wall in the tower body is inclined towards the sewage discharge pipe at a 2% -4% gradient.

Preferably, the central axis of the exhaust pipe is located above the central axis of the tower body.

Preferably, the ash discharge hopper is in a conical cylinder shape, and the central axis of the ash discharge hopper is superposed with the central axis of the fixed impeller air duct.

Preferably, an annular spray pipe is installed on one side close to the right-angle air inlet pipeline in the tower body, and a plurality of groups of circumferentially and uniformly distributed atomizing spray heads are installed on the annular spray pipe.

Preferably, the top of the installation cylinder is provided with an end cover, and the end cover is detachably installed on the installation cylinder through a bolt.

Preferably, the tower body is close to blow off pipe department and installs the pipe of decontaminating with the inside intercommunication of tower body, demountable installation has the closing cap on the pipe of decontaminating.

(III) advantageous effects

Compared with the prior art, the utility model provides waste gas treatment equipment, which has the following beneficial effects: this exhaust-gas treatment equipment, dusty waste gas gets into through right angle air inlet pipe, under the effect of dust pretreatment mechanism, carries out the preliminary treatment to the dust, and most dust is discharged through the ash discharge bucket, reduces the dust volume that gets into to horizontal spray dusting tower, reduces the processing load of horizontal spray dusting tower, can handle low dust volume waste gas through spraying, improves dust removal effect, has effectively reduced mud content in the dust absorption water, does benefit to the dust absorption water and discharges outward.

Drawings

FIG. 1 is a schematic isometric view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 in accordance with the present invention;

in the drawings, the reference numbers: 1. a right-angle air inlet pipeline; 2. a fixed impeller air duct; 3. a rotating shaft; 4. a movable impeller; 5. a drive motor; 6. an ash discharge hopper; 7. a discharge valve; 8. a tower body; 9. a water inlet pipe; 10. spraying a disc; 11. mounting the cylinder; 12. a blow-off pipe; 13. an exhaust pipe; 14. an annular nozzle; 15. an atomizing spray head; 16. an end cap; 17. and (4) cleaning a sewage pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the waste gas treatment equipment of the present invention comprises a horizontal spray dust removal tower, a right-angle air inlet pipeline 1 and a dust pretreatment mechanism installed on the right-angle air inlet pipeline 1, wherein an output end of the right-angle air inlet pipeline 1 is communicated with an input end of the horizontal spray dust removal tower, the dust pretreatment mechanism is located at a right-angle turn on the right-angle air inlet pipeline 1, the dust pretreatment mechanism comprises a fixed impeller air guide cylinder 2, pivot 3 and multiunit movable vane 4, fixed vane air duct 2 fixed mounting is on the top inner wall of right

angle intake stack

1, and 3 rotatable mountings in fixed vane air duct 2 the central axis department of pivot, and 4 top-down's of multiunit movable vane fixed mounting are on pivot 3, and fixed mounting is for pivot 3 to rotate the driving motor 5 that provides power on the right

angle intake stack

1, and 1 bottom of right angle intake stack is provided with ash bucket 6, and discharge valve 7 is installed to ash bucket 6's output.

Specifically, the horizontal spray dust removal tower comprises a tower body 8, a water inlet pipe 9 and a plurality of groups of spray trays 10, wherein a plurality of groups of mounting cylinders 11 communicated with the inside of the tower body 8 are mounted at the top of the tower body 8, the plurality of groups of spray trays 10 are respectively mounted in the corresponding mounting cylinders 11, the output end of the water inlet pipe 9 is communicated with the input ends of the plurality of groups of spray trays 10, a sewage discharge pipe 12 is arranged at the right part of the bottom end of the tower body 8, and an exhaust pipe 13 is mounted at the right part of the tower body 8; the water inlet pipe 9 is communicated with an external pressure water source, waste gas enters the tower body 8 after being pretreated, pressurized water is sprayed into the tower body 8 through the spray plate 10, wet treatment on dust in the waste gas in the tower body 8 is achieved, sewage is discharged through the sewage discharge pipe 12, and treated purified gas is discharged through the exhaust pipe 13.

Specifically, the bottom wall in the tower body 8 is inclined towards the sewage discharge pipe 12 at a gradient of 2-4%; the bottom wall is 2% -4% slope setting in the tower body 8, can do benefit to the interior muddy water of tower body 8 and flow to blow off pipe 12 department, effectively reduces the muddy water and stores up of bottom in the tower body 8.

Specifically, the central axis of the exhaust pipe 13 is located above the central axis of the tower body 8;

exhaust pipe

13 and 8 central axis dislocation set of tower body satisfy the normal exhaust of net gas, and the net gas forms the stream of detouring in 8 right sides bottoms of tower body to delay the exhaust time of net gas, further improve the treatment effect of dust in the waste gas.

Specifically, the ash discharge hopper 6 is in a conical cylinder shape, and the central axis of the ash discharge hopper 6 is superposed with the central axis of the fixed impeller air duct 2; the ash discharge hopper 6 is positioned right below the fixed impeller air duct 2, so that concentrated collection of cyclone dust removal is facilitated, and the residue of dust in the conical cylindrical ash discharge hopper 6 is effectively reduced during ash discharge.

Specifically, an annular spray pipe 14 is arranged on one side, close to the right-angle air inlet pipeline 1, in the tower body 8, and a plurality of groups of circumferentially and uniformly distributed atomizing spray heads 15 are arranged on the annular spray pipe 14; pressurized water is sprayed out through the atomizing nozzles 15 on the annular spray pipe 14, under the action of water mist, dust is condensed mutually, and the water curtain generated by spraying of the subsequent spray disc 10 is matched, so that the removal rate of the dust in the waste gas is further improved.

Specifically, the top of the mounting cylinder 11 is provided with an end cover 16, and the end cover 16 is detachably mounted on the mounting cylinder 11 through bolts; the spraying disc 10 in the installation cylinder 11 can be overhauled by detaching the end cover 16, so that the installation is more convenient and faster.

Specifically, a sewage cleaning pipe 17 communicated with the interior of the tower body 8 is arranged at the position, close to the sewage discharge pipe 12, of the tower body 8, and a sealing cover is detachably arranged on the sewage cleaning pipe 17; when the sludge blocking occurs at the sewage draining pipe 12, the sludge can be cleaned through the sewage cleaning pipe 17.

When the device is used, pressure waste gas enters through the right-angle air inlet pipeline 1, the waste gas forms rotational flow under the action of the fixed impeller air guide cylinder 2, the driving motor 5 drives the rotating shaft 3 to rotate, the multiple groups of movable impellers 4 rotate, the rotational flow effect of the waste gas is further enhanced, dust in the waste gas is under the rotational flow effect, the pressure in the middle of the fixed impeller air guide cylinder 2 is reduced, the dust in the waste gas falls into the dust discharging hopper 6, the pretreatment of the dust in the waste gas is realized, the right-angle air inlet pipeline 1 can change the air inlet direction, and the certain pressure reduction effect is realized on the waste gas, the dust pretreatment mechanism is positioned at the right-angle turning part on the right-angle air inlet pipeline 1, and the pretreatment of the dust in the waste gas can be facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The waste gas treatment equipment is characterized by comprising a horizontal spraying dust removal tower, a right-angle air inlet pipeline (1) and a dust pretreatment mechanism arranged on the right-angle air inlet pipeline (1), wherein the output end of the right-angle air inlet pipeline (1) is communicated with the input end of the horizontal spraying dust removal tower, the dust pretreatment mechanism is positioned at the right-angle turning part at the upper part of the right-angle air inlet pipeline (1), the dust pretreatment mechanism comprises a fixed impeller air guide cylinder (2), a rotating shaft (3) and a plurality of groups of movable impellers (4), the fixed impeller air guide cylinder (2) is fixedly arranged on the inner wall at the top end of the right-angle air inlet pipeline (1), the rotating shaft (3) is rotatably arranged at the central axis of the fixed impeller air guide cylinder (2), the plurality of groups of movable impellers (4) are fixedly arranged on the rotating shaft (3) from top to bottom, a driving motor (5) for providing power for the rotation of the rotating shaft (3) is fixedly arranged on the right-angle air inlet pipeline (1), the bottom of the right-angle air inlet pipeline (1) is provided with an ash discharge hopper (6), and the output end of the ash discharge hopper (6) is provided with a discharge valve (7).

2. The waste gas treatment equipment according to claim 1, wherein the horizontal spray dust removal tower comprises a tower body (8), a water inlet pipe (9) and a plurality of groups of spray discs (10), a plurality of groups of installation cylinders (11) communicated with the inside of the tower body (8) are installed at the top of the tower body (8), the plurality of groups of spray discs (10) are respectively installed in the corresponding installation cylinders (11), the output end of the water inlet pipe (9) is communicated with the input end of the plurality of groups of spray discs (10), a blow-off pipe (12) is arranged on the right part of the bottom end of the tower body (8), and an exhaust pipe (13) is installed on the right part of the tower body (8).

3. An exhaust gas treatment device according to claim 2, characterized in that the bottom wall in the tower (8) is inclined to the blow-off pipe (12) with a gradient of 2-4%.

4. An exhaust gas treatment device according to claim 3, characterized in that the centre axis of the exhaust pipe (13) is located above the centre axis of the tower (8).

5. The exhaust gas treatment device according to claim 4, wherein the ash discharge hopper (6) is in a conical cylinder shape, and the central axis of the ash discharge hopper (6) is coincident with the central axis of the fixed-vane air guide cylinder (2).

6. An exhaust-gas treatment device according to claim 5, characterized in that an annular nozzle (14) is installed in the tower body (8) on the side close to the right-angle air inlet pipe (1), and a plurality of groups of circumferentially-distributed atomizing nozzles (15) are installed on the annular nozzle (14).

7. An exhaust gas treatment device according to claim 6, characterized in that the top of the mounting cylinder (11) is provided with an end cover (16), and the end cover (16) is detachably mounted on the mounting cylinder (11) through bolts.

8. An exhaust gas treatment device according to claim 7, characterized in that a decontamination pipe (17) communicated with the interior of the tower body (8) is installed at a position of the tower body (8) close to the sewage discharge pipe (12), and a sealing cover is detachably installed on the decontamination pipe (17).