CN216458000U - Exhaust emission processing apparatus of desulfurizing tower - Google Patents

Abstract

The utility model belongs to the technical field of waste gas treatment, and discloses a waste gas emission treatment device of a desulfurizing tower, which comprises the desulfurizing tower, a pretreatment tank, a spraying tank and an alkaline liquor tank, wherein the top end of the desulfurizing tower is connected with an exhaust pipe, and the exhaust pipe is far away from a desulfurizing towerOne end of the sulfur tower extends into the bottom of the pretreatment box, the utility model has good waste gas treatment effect, and SO₂Good absorption, when treating waste gas, firstly introducing the waste gas into clear water to make partial SO₂The absorption, then upwards spout waste gas via the venthole of seting up on the blast pipe again, meanwhile, lye pump can extract lye and send first liquid feeding branch pipe and second liquid feeding branch pipe to the lower extreme, and partial lye is spout downwards via the shower head on the first liquid feeding branch pipe, and partial lye is upwards spout via the shower head of second liquid feeding branch pipe in addition for waste gas rises and falls the stage homoenergetic and fully contacts lye, thereby can thoroughly quick absorption SO₂Avoiding partial SO₂And escape.

Description

Exhaust emission processing apparatus of desulfurizing tower

Technical Field

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a waste gas emission treatment device of a desulfurizing tower.

Background

The desulfurizing tower is tower equipment for desulfurizing industrial waste gas, mainly uses the principle of water film desulfurization and dust removal, and is mainly aimed at coal-fired industry or kiln flue gas, both of which can produce a large quantity of sulfuric acid waste gas and SO in the flue gas₂Can cause serious pollution to the environment, SO the awareness of people on environmental protection is stronger and stronger, the exhaust SO₂Also attach more and more importance to, in order to further guarantee that the tail gas that discharges in the atmosphere reaches the environmental protection index after carrying out the desulfurization, need carry out the tail gas treatment to the tail gas that discharges in the atmosphere, reduce the content of harmful substance in the tail gas.

However, the existing desulfurizing tower waste gas treatment device has certain defects, and the traditional desulfurizing tower waste gas treatment device absorbs SO by using alkali liquor₂Is poor in thoroughness and is easy to cause partial SO₂And the filtering plate of the traditional desulfurizing tower waste gas treatment device is mostly fixedly mounted, so that the subsequent quick replacement is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is to provide a waste gas treatment device for a desulfurization tower, SO as to solve the problem of the above background art that the conventional waste gas treatment device absorbs SO by using alkali solution₂Is poor in thoroughness and is easy to cause partial SO₂The problem of effusion, in addition, traditional exhaust treatment device's filter is mostly fixed mounting, the follow-up quick replacement's of not being convenient for problem.

In order to achieve the purpose, the utility model provides the following technical scheme: a waste gas emission treatment device of a desulfurizing tower comprises the desulfurizing tower, a pretreatment box, a spray box and an alkaline liquid box, wherein the top end of the desulfurizing tower is connected with an exhaust pipe, one end of the exhaust pipe, far away from the desulfurizing tower, extends into the bottom inside the pretreatment box, clean water is filled in the pretreatment box, a filter plate is arranged at the middle lower end in the pretreatment box, the top end of the pretreatment box is connected with an air supply pipe, the air supply pipe penetrates through the side wall of the spray box and extends to the middle inside of the spray box, air outlet holes are uniformly formed in one section of the upper wall of the spray box, the bottom end of the side wall of the alkaline liquid box is provided with an alkaline liquid pump through a pipeline, the liquid outlet end of the alkaline liquid pump is connected with a liquid supply main pipe, the end part of the liquid supply main pipe is provided with a three-way head, and two liquid outlet ports of the three-way head are respectively connected with a first liquid supply branch pipe and a second liquid supply branch pipe, the first liquid feeding branch pipe extends to the top of the inner portion of the spraying box, the second liquid feeding branch pipe extends to the lower portion of the inner portion of the spraying box, and the first liquid feeding branch pipe is located on one section of lower surface wall of the inner portion of the spraying box and the second liquid feeding branch pipe is located on one section of upper surface wall of the inner portion of the spraying box and provided with spraying heads at equal intervals.

Preferably, the support blocks are fixed on two sides inside the pretreatment tank and below the filter plate, the upper wall of each support block is provided with an embedded groove, and the two sides of the bottom end of the filter plate are symmetrically fixed with the embedded blocks matched with the embedded grooves.

Preferably, the bottom end of the front surface wall of the spraying box is connected with a drain pipe, and a drain valve is installed on the drain pipe.

Preferably, a case cover is installed at the top end of the alkaline liquid case, and a handle is installed at the top end of the case cover.

Preferably, one side of the top end of the spraying box is connected with an air outlet pipe, and an air outlet valve is installed on the air outlet pipe.

Preferably, the two opposite sides of the outer surface wall of the desulfurizing tower are provided with visible windows which are of circular structures.

Preferably, the outer cover of the lye pump is provided with a protective cover, and the outer wall of the protective cover is provided with heat dissipation holes.

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

(1) the utility model has good waste gas treatment effect and SO₂Good absorption, when treating waste gas, firstly introducing the waste gas into clear water to make partial SO₂Then the waste gas is sprayed upwards through the air outlet holes arranged on the air supply pipe, meanwhile, the alkali liquor pump can pump alkali liquor to the first liquid supply branch pipe and the second liquid supply branch pipe at the upper end and the lower end, and part of the alkali liquor passes through the second liquid supply branch pipeThe spray header on the first liquid conveying branch pipe is sprayed downwards, and the other part of alkali liquor is sprayed upwards through the spray header of the second liquid conveying branch pipe, SO that the waste gas can fully contact with the alkali liquor in the rising and falling stages, and the SO can be completely and quickly absorbed₂Avoidance of partial SO₂And (4) escaping.

(2) According to the utility model, through the matching of the embedded block, the support block and the embedded groove, the filter plate is mounted easily and detachably, when the filter plate needs to be dismounted, the top cover of the pretreatment box can be dismounted and the exhaust pipe inserted into the pretreatment box can be pulled out, then the filter plate is pulled up, and the embedded block is pulled out from the embedded groove formed in the support block, so that the mounting and the replacement are quick and convenient, and the time and the labor are saved.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a desulfurizing tower; 2. an exhaust pipe; 3. a pretreatment tank; 4. a support block; 5. a filter plate; 6. an air supply pipe; 7. a spray box; 8. an alkaline liquid tank; 9. an alkaline liquid pump; 10. a liquid delivery main pipe; 11. a tee joint; 12. a first liquid-feeding branch pipe; 13. a second liquid-feeding branch pipe; 14. an air outlet; 15. a shower head; 16. a blow-off pipe; 17. caulking grooves; 18. and (5) an embedded block.

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. 1-3, the present invention provides the following technical solutions: a waste gas emission treatment device of a desulfurizing tower comprises a desulfurizing tower 1, a pretreatment tank 3, a spray tank 7 and an alkaline liquid tank 8, wherein the top end of the desulfurizing tower 1 is connected with an exhaust pipe 2, one end of the exhaust pipe 2, which is far away from the desulfurizing tower 1, extends into the bottom inside the pretreatment tank 3, clear water is filled inside the pretreatment tank 3, a filter plate 5 is arranged at the lower end inside the pretreatment tank 3, the top end of the pretreatment tank 3 is connected with an air supply pipe 6, the air supply pipe 6 penetrates through the side wall of the spray tank 7 and extends to the middle inside of the spray tank 7, air outlet holes 14 are uniformly formed in the upper wall of one section of the air supply pipe 6, which is positioned inside the spray tank 7, the bottom end of the side wall of the alkaline liquid tank 8 is provided with an alkaline liquid pump 9 through a pipeline, the liquid outlet end of the alkaline liquid pump 9 is connected with a liquid feeding main pipe 10, the end part of the liquid feeding main pipe 10 is provided with a three-way head 11, two liquid outlet ports of the three-way head 11 are respectively connected with a first liquid feeding branch pipe 12 and a second liquid feeding branch pipe 13, the first liquid sending branch pipe 12 extends to the top of the interior of the spraying box 7, the second liquid sending branch pipe 13 extends to the lower portion of the interior of the spraying box 7, and the lower surface wall of one section of the first liquid sending branch pipe 12 located inside the spraying box 7 and the upper surface wall of one section of the second liquid sending branch pipe 13 located inside the spraying box 7 are provided with spraying heads 15 at equal intervals.

Through the technical scheme:

when in use, the waste gas can be firstly introduced into the clean water in the pretreatment tank 3 through the exhaust pipe 2 for partial SO₂Then the waste gas is sprayed upwards in the spray box 7 through the air outlet 14 arranged on the air supply pipe 6, meanwhile, the lye pump 9 can draw lye to be supplied to the first liquid supply branch pipe 12 and the second liquid supply branch pipe 13 at the upper end and the lower end, part of lye is sprayed downwards through the spray head 15 on the first liquid supply branch pipe 12, and the other part of lye is sprayed upwards through the spray head 15 on the second liquid supply branch pipe 13, SO that the waste gas can fully contact with the lye at the ascending and descending stages, thereby thoroughly and rapidly absorbing SO₂Avoidance of partial SO₂And (4) escaping.

Please refer to fig. 1 and 3, the inside both sides of pretreatment tank 3 and the below that is located filter 5 are fixed with tray 4, caulking groove 17 has been seted up to the upper surface wall of tray 4, the bottom bilateral symmetry of filter 5 is fixed with the abaculus 18 with caulking groove 17 looks adaptation, the preceding table wall bottom of spraying case 7 is connected with blow off pipe 16, install the blowoff valve on the blow off pipe 16, but the window is all installed to the relative both sides of the outer table wall of desulfurizing tower 1, but the window is circular structure, lye pump 9's outside cover is equipped with the safety cover, the louvre has been seted up to the outer wall of safety cover.

Through the technical scheme:

when the device is used, when the filter plate 5 needs to be dismounted, the top cover of the pretreatment tank 3 can be dismounted and the exhaust pipe 2 inserted into the pretreatment tank 3 can be pulled out, then the filter plate 5 is pulled up, and the embedded block 18 can be pulled out from the embedded groove 17 formed in the support block 4, so that the dismounting and the replacement are quick and convenient, the time and the labor are saved, the tank cover is installed at the top end of the lye tank 8, the handle is installed at the top end of the tank cover, the exhaust pipe is connected to one side of the top end of the spraying tank 7, and the exhaust valve is installed on the exhaust pipe;

the solution that produces after the spray treatment can be collected via 16 discharges of blow off pipe, and is comparatively convenient, in addition, waste gas is via the spray treatment back, can open the air outlet valve, with gaseous from the outlet duct discharge, the staff sees through two relative visual windows can the 1 inside condition of direct observation desulfurizing tower, and is comparatively practical, and the safety cover is established in lye pump 9's outside, can effectively protect it, avoids lye pump 9 to collide with the damage, and the louvre of wherein seting up is convenient for the thermogenesis when lye pump 9 moves.

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 (7)

1. The utility model provides a waste gas emission processing apparatus of desulfurizing tower which characterized in that: comprises a desulfurizing tower (1), a pretreatment tank (3), a spray tank (7) and an alkaline liquor tank (8), wherein the top end of the desulfurizing tower (1) is connected with an exhaust pipe (2), one end of the exhaust pipe (2), which is far away from the desulfurizing tower (1), extends into the bottom of the interior of the pretreatment tank (3), the interior of the pretreatment tank (3) is filled with clear water, a filter plate (5) is arranged at the middle and lower end of the interior of the pretreatment tank (3), the top end of the pretreatment tank (3) is connected with an air supply pipe (6), the air supply pipe (6) penetrates through the side wall of the spray tank (7) and extends to the middle of the interior of the spray tank (7), air outlet holes (14) are uniformly formed in the upper wall of one section of the interior of the spray tank (7) of the air supply pipe (6), an alkaline liquor pump (9) is installed at the bottom end of the side wall of the alkaline liquor tank (8) through a pipeline, and a liquid supply main pipe (10) is connected with a liquid supply pipe (9), send the tip of liquid person in charge (10) and install tee bend (11), two play liquid ports of tee bend (11) are connected with first liquid branch pipe (12) and second liquid branch pipe (13) of sending respectively, first liquid branch pipe (12) of sending extend to the inside top of spray box (7), the second send liquid branch pipe (13) to extend to the inside lower part of spray box (7), first liquid branch pipe (12) of sending are located spray box (7) inside one section lower table wall and second and send liquid branch pipe (13) to be located spray box (7) inside one section upper table wall equipartition interval and install shower head (15).

2. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: the pretreatment tank is characterized in that supporting blocks (4) are fixed on two sides inside the pretreatment tank (3) and below the filter plates (5), caulking grooves (17) are formed in the upper surface walls of the supporting blocks (4), and the bottom ends of the filter plates (5) are symmetrically fixed with the embedding blocks (18) matched with the caulking grooves (17).

3. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: the bottom end of the front surface wall of the spraying box (7) is connected with a drain pipe (16), and a drain valve is installed on the drain pipe (16).

4. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: the top end of the lye tank (8) is provided with a tank cover, and the top end of the tank cover is provided with a handle.

5. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: one side of the top end of the spraying box (7) is connected with an air outlet pipe, and an air outlet valve is installed on the air outlet pipe.

6. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: visual windows are arranged on two opposite sides of the outer wall of the desulfurizing tower (1), and are of circular structures.

7. The exhaust emission treatment device of a desulfurization tower according to claim 1, wherein: the outside cover of lye pump (9) is equipped with the safety cover, the louvre has been seted up to the exterior wall of safety cover.

Images