CN215996179U - Acid mist absorption tower - Google Patents

Abstract

The invention provides an acid mist absorption tower which comprises a tower body, a smoke cover and an absorption column movably arranged in the middle of the interior of the tower body, wherein the top of the tower body is welded and connected with the bottom of the smoke cover, the top of the smoke cover is welded and connected with a smoke inlet pipe, and the interior of the smoke cover is hermetically connected with a cooling box. The inside of cooler bin is provided with cooling module, the surface of absorption column is provided with mixed subassembly, the acid mist absorption tower that this embodiment provided, it is through the mixed subassembly on the absorption column, make a small amount of sodium hydroxide solution contact with acid mist with the form of spraying, and the sodium hydroxide solution whereabouts is piled up in mixed subassembly, make the solution can react with acid mist, the biggest utilization solution of acid mist is neutralized, the usable floor area of solution has been reduced, the effect of saving solution has been reached, the problem that solution sprays neutralization rate and hangs down has been solved.

Description

Acid mist absorption tower

Technical Field

The invention relates to the technical field of acid mist absorption towers, in particular to an acid mist absorption tower.

Background

In order to treat acid gases and to achieve environmentally friendly and pollution-free gas conditioning, treatment of corrosive acid gases is required, and most of the treatments are liquid absorption treatment. Adopt the liquid absorption method to administer this waste gas, what generally used is the acid mist absorption tower, and the acid mist waste gas is introduced the purifying column by the tuber pipe, and through the packing layer, waste gas carries out the gaseous-liquid two-phase abundant contact absorption neutralization reaction with the sodium hydroxide absorption liquid, and the acid mist waste gas is through acid mist clarifier purification back, is discharged into the atmosphere by the fan after defogging board dehydration defogging again, and the acid mist waste gas after the purification need reach the emission requirement of domestic local emission standard:

about acid mist absorption tower, found through the search, there is a patent No. CN201721072223.4, relate to an acid mist absorption tower, in the field of acid mist absorption equipment, it is to provide an increase neutralizing liquid and contact area of acid mist, raise the acid mist absorption tower of acid mist purification efficiency, its technical scheme is as follows, an acid mist absorption tower, including tower body, air inlet duct, water storage pool; an air inlet is formed in one side of the bottom of the tower body, the air inlet pipeline is connected with the tower body through the air inlet, and an air outlet is formed in the top of the tower body; a grid plate is fixedly arranged in the tower body, a packing layer is arranged on the grid plate, and a spraying layer is arranged above the packing layer in the tower body; the water storage tank is arranged at the bottom in the tower body, a circulating water pipe is connected in the water storage tank, and one end of the circulating water pipe extends to the spraying layer; the air inlet pipeline extends into the water storage tank.

This kind of acid mist absorption tower, adopt the mode that sprays, make acid mist and solution contact, then carry out the processing of mixing, and when spraying each time, need use a large amount of solutions and acid mist to contact, the use amount of solution is great, the energy consumption of machinery has been increased, and the area of contact of a large amount of solutions and acid mist is little, make the utilization efficiency of solution low, simultaneously because during the direct emission of acid mist, can mix a large amount of heats and moisture, direct emission atmosphere can influence natural environment, and the acid mist that moisture exists still needs secondary treatment, the load increases when making later stage mechanical treatment easily.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides an acid mist absorption tower to solve the problems described in the above background art.

The invention relates to an acid mist absorption tower, which is realized by the following specific technical means: it includes tower body, cigarette lid and the absorption post that sets up in the middle activity of the inside of tower body, the top of tower body and the bottom welded connection of cigarette lid, the top welded connection of cigarette lid has into the tobacco pipe, the inside sealing connection of cigarette lid has the cooler bin. The inside of cooling tank is provided with cooling module, the surface of absorption post is provided with mixed subassembly.

Preferably, the mixing assembly comprises a liquid inlet plate, a guide groove and liquid inlets, two liquid inlets penetrate through the inside of the liquid inlet plate, the bottom of the liquid inlet plate is movably connected with the absorption column, the guide groove is arranged around the outer surface of the absorption column, the two ends of the guide groove extend to the top and the bottom of the absorption column, and the top end of the guide groove is communicated with the liquid inlets.

Preferably, cooling unit includes outlet flue, coolant liquid pipe and water collection needle, the cooling box is the cavity structure, a plurality of outlet flue have been run through to the inside of cooling box, water collection needle fixed connection is in the bottom intermediate position of cooling box, the coolant liquid pipe is linked together with the both sides of cooling box.

Preferably, the periphery of the outer surface of the absorption column is in an inward concave shape, the liquid inlet plate is rotatably connected with the absorption column through a rotating shaft, and the outer surface of the guide groove is provided with a baffle.

Preferably, the cooling box is located directly over the absorption column, the bottom middle part of the cooling box inclines to the direction of the absorption column, the smoke outlets are arranged around the central point of the cooling box, the smoke outlet pipe is located directly over the cooling box, and the cooling box is made of aluminum.

Preferably, the sprinkler head is inclined upward, and the sprinkler head is communicated through a main water pipe.

Preferably, the inclined plate is a hollow structure, and a central point of the inclined plate is inclined downwards.

Has the advantages that:

1. the acid mist absorption tower that this embodiment provided, it makes a small amount of sodium hydroxide solution contact with acid mist with the form of spraying through the mixing assembly on the absorption column, and sodium hydroxide solution whereabouts is piled up in mixing assembly, makes solution ability and acid mist react, and the biggest utilization solution of acid mist is neutralized, has reduced the usable floor area of solution, has reached the effect of practicing thrift solution, has solved the solution and has sprayed the problem that neutralization rate is low.

2. The acid mist absorption tower that this embodiment provided uses cooling module, makes the acid mist of direct emission carry out cooling treatment, falls out after making the inside steam gathering of acid mist, makes the moisture content in the acid mist reduce, makes the inside discharge temperature greatly reduced of acid mist, makes things convenient for the processing of later stage acid mist, has alleviateed the department load of follow-up equipment.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention.

FIG. 3 is a schematic top view of a liquid inlet plate according to the present invention.

Fig. 4 is a schematic top view of the cooling box of the present invention.

FIGS. 1-4; the corresponding relation between the part names and the figure numbers is as follows: 1. a tower body; 101. a smoke inlet pipe; 102. An inclined plate; 103. a sprinkler head; 2. a cigarette cover; 201. discharging the smoke tube; 3. an absorption column; 301. a liquid inlet plate; 302. a guide groove; 303. a liquid inlet; 4. a cooling tank; 401. a smoke outlet; 402. a coolant tube; 403. a water collecting needle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-4, the embodiment provides an acid mist absorption tower, which includes a tower body 1, a smoke cover 2 and an absorption column 3 movably disposed in the middle inside the tower body 1, wherein the top of the tower body 1 is welded to the bottom of the smoke cover 2, the top of the smoke cover 2 is welded to a smoke inlet pipe 101, and the inside of the smoke cover 2 is hermetically connected to a cooling box 4. The cooling tank 4 is provided with a cooling module inside, and the outer surface of the absorption column 3 is provided with a mixing module.

The acid mist absorption tower provided by the embodiment discharges acid mist through the smoke inlet pipe 101 during harvesting, the acid mist enters the absorption column 3 after being concentrated, the spraying head 103 sprays the sodium hydroxide solution fine mist, the sodium hydroxide solution flows into the absorption column 3 after being concentrated, the acid mist is fully mixed with the sodium hydroxide solution by the mixing component, the acid mist can be concentrated on the absorption column 3 without continuously spraying the sodium hydroxide solution, the acid mist is mixed with the sodium hydroxide solution to the maximum extent through the mixing component, the treated acid mist rises, the water vapor inside the acid mist is condensed by the cooling component on the cooling box 4, and part of the acid mist is discharged from the smoke outlet pipe on the smoke cover 2, so that the acid mist can be stably discharged.

The acid mist absorption tower that this embodiment provided, it is through the hybrid module on the absorption column, make a small amount of sodium hydroxide solution contact with the form and the acid mist of spraying, and sodium hydroxide solution whereabouts is piled up in hybrid module, make the solution can react with the acid mist, the biggest utilization solution of acid mist neutralizes, the usable floor area of solution has been reduced, the effect of practicing thrift solution has been reached, the problem that solution sprays neutralization rate is low is solved, and simultaneously, use cooling module, the acid mist that makes direct emission carries out cooling treatment, make and fall out behind the inside steam gathering of acid mist, make the moisture content in the acid mist reduce, make the inside discharge temperature greatly reduced of acid mist, make things convenient for the processing of later stage acid mist, the department load of follow-up equipment has been alleviateed.

This embodiment mixing assembly includes into liquid board 301, guiding groove 302 and inlet 303, two inlet 303 have been run through to the inside of liquid board 301, the bottom and the absorption column 3 swing joint of liquid board 301, guiding groove 302 encircles and sets up around the surface of absorption column 3, the both ends of guiding groove 302 all extend to the top and the bottom of absorption column 3, the top and the inlet 303 of guiding groove 302 are linked together, cooling module includes outlet 401, coolant pipe 402 and water collection needle 403, cooler bin 4 is the cavity structure, cooler bin 4's inside is run through and is had a plurality of outlet 401, water collection needle 403 fixed connection is in the bottom intermediate position of cooler bin 4, coolant pipe 402 is linked together with cooler bin 4's both sides.

Specifically, when the acid mist discharged through the smoke inlet pipe 101 is collected upwards through the inclined plate 102, the acid mist enters the guide groove 302 from the opening at the bottom of the absorption column 3, the spray head 103 sprays water mist of the solution, the water mist enters the guide groove 302 from the liquid inlet 303 and contacts with the acid mist, the acid mist moves upwards, the solution moves downwards, and after the acid mist is uniformly mixed, the moving speed of the solution is slowed through the narrow guide groove 302, the contact time of the acid mist is increased, and the acid mist is discharged from the liquid inlet 303.

When the rising gas enters the cooling box 4, the temperature of the cooling box 4 is lowered by the through cooling liquid pipe 402 inside the cooling box 4, and when the cooling box 4 is brought into contact with the acid mist, the water vapor in the acid mist condenses, hangs at the bottom of the cooling box 4, falls out from the water collecting needle 403 along the central inclined point of the cooling box 4, passes through the smoke outlet 401 in the cooling box, and is discharged from the smoke outlet pipe 201 after the acid mist is cooled.

As shown in fig. 2-4, the periphery of the outer surface of the absorption column 3 is in an inward concave shape, the liquid inlet plate 301 is rotatably connected with the absorption column 3 through a rotating shaft, the outer surface of the guide groove 302 is provided with a baffle, the cooling box 4 is positioned right above the absorption column 3, the middle of the bottom of the cooling box 4 inclines towards the direction of the absorption column 3, the smoke outlets 401 are arranged around the central point of the cooling box 4, and the smoke outlet pipe 201 is positioned right above the cooling box 4.

Example 2:

as shown in fig. 1-2, the present embodiment differs from embodiment 1 in that: the sprinkler head 103 of the embodiment is inclined upward, and the sprinkler head 103 is communicated through the main water pipe, so that the solution sprayed from the sprinkler head 103 can be controlled to contact the smoke outlet 401, and the acid mist is prevented from being discharged from the smoke outlet 401 in advance.

The inclined plate 102 of the present embodiment has a hollow structure, and the center point of the inclined plate 102 is inclined downward, so that the smoke can be collected and concentrated below the absorption column 3.

The cooler bin 4 of this embodiment adopts the aluminium material preparation to form, can increase the efficiency of heat transfer with the temperature quick conduction of coolant pipe 402.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides an acid mist absorption tower, its includes tower body (1), cigarette lid (2) and absorption post (3) that the activity set up in the middle of tower body (1) is inside, the top of tower body (1) and the bottom welded connection of cigarette lid (2), the top welded connection of cigarette lid (2) has into tobacco pipe (101), the inside sealing connection of cigarette lid (2) has cooler bin (4), its characterized in that: the cooling box (4) is internally provided with a cooling assembly, and the outer surface of the absorption column (3) is provided with a mixing assembly.

2. The acid mist absorption tower of claim 1, wherein: mix subassembly including advancing liquid board (301), guiding groove (302) and inlet (303), the inside of advancing liquid board (301) is run through and is had two inlets (303), the bottom and absorption column (3) swing joint of advancing liquid board (301), guiding groove (302) are around setting up around the surface of absorption column (3), the both ends of guiding groove (302) all extend to the top and the bottom of absorption column (3), the top and inlet (303) of guiding groove (302) are linked together.

3. The acid mist absorption tower of claim 2, wherein: cooling unit includes outlet flue (401), coolant liquid pipe (402) and catchment needle (403), cooler bin (4) are the cavity structure, a plurality of outlet flue (401) have been run through to the inside of cooler bin (4), catchment needle (403) fixed connection is in the bottom intermediate position of cooler bin (4), coolant liquid pipe (402) are linked together with the both sides of cooler bin (4).

4. The acid mist absorption tower of claim 2, wherein: the outer surface of the absorption column (3) is inwards sunken, the liquid inlet plate (301) is rotatably connected with the absorption column (3) through a rotating shaft, and the outer surface of the guide groove (302) is provided with a baffle.

5. The acid mist absorption tower of claim 3, wherein: cooler bin (4) are located absorption column (3) directly over, to the direction slope of absorption column (3) in the middle of the bottom of cooler bin (4), it is a plurality of outlet flue (401) encircle the setting in the central point of cooler bin (4), and outlet flue pipe (201) are located cooler bin (4) directly over, cooler bin (4) adopt the aluminium material preparation to form.

6. The acid mist absorption tower of claim 1, wherein: the sprinkler heads (103) are inclined upwards, and the sprinkler heads (103) are communicated through a main water pipe.

7. The acid mist absorption tower of claim 1, wherein: the inclined plate (102) is of a hollow structure, and the center point of the inclined plate (102) is inclined downwards.

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