CN111729495A

CN111729495A - Tail gas treatment device of triple-effect evaporation system

Info

Publication number: CN111729495A
Application number: CN202010568989.1A
Authority: CN
Inventors: 段卫东; 彭祥刚
Original assignee: Linyi Shengtai High Polymer Materials Co ltd
Current assignee: Linyi Shengtai High Polymer Materials Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-10-02

Abstract

The invention relates to the field of tail gas treatment devices, in particular to a tail gas treatment device of a triple-effect evaporation system, which comprises a box body, a treatment structure, a circulation structure, a feeding structure, a filtering structure and a stirring structure, wherein the treatment structure is arranged on the box body; through the cooperation of handling structure and loop construction use, not only can carry out the treatment to tail gas, can also recycle the treating agent of handling tail gas, thereby can enough increase the treatment effeciency of tail gas, can also avoid the waste of treating agent, loop construction can also drive the stirring structure in step and carry out work when carrying out work, the work through stirring structure can carry out abundant stirring to the treating agent of loop construction inside, can enough make treating agent and running water carry out abundant mixture, can also avoid the condition that the treating agent appears precipitating, setting through feed structure, can be when letting in the running water, the interpolation work of medicament is handled in automatic completion, thereby can avoid appearing handling the extravagant condition of medicament.

Description

Tail gas treatment device of triple-effect evaporation system

Technical Field

The invention relates to the field of tail gas treatment devices, in particular to a tail gas treatment device of a triple-effect evaporation system.

Background

A triple-effect multistage evaporator is an extraction and concentration device, adopts a shell and tube circulating external heating working principle, has short physical heating time, high evaporation speed and large concentration ratio, effectively keeps the original material effect, has obvious energy-saving effect, and is widely suitable for the evaporation and concentration process of liquid materials in pharmacy, chemical industry, food, light industry and the like. In the working process of the triple-effect multistage evaporator, waste gas can be generated, and the tail gas can be discharged into the atmosphere after being treated by the treatment agent, so that the problem that the tail gas is directly discharged into the atmosphere to cause atmospheric pollution can be avoided.

When the evaporation concentration process of the liquid materials of the chemical industry is carried out by the triple-effect multistage evaporator, a large amount of tail gas can be generated, the tail gas is generally treated by adopting a treating agent spraying mode, but the existing treating agent is generally treated by adopting a one-way spraying mode, a large amount of treating agent and water source waste can be caused, the treating agent is stored in the storage tank and can be mixed with tap water unevenly, the treating agent is directly discharged into the storage tank to cause uneven mixing with water, the adding amount of the treating agent is not well controlled, and the treating agent waste can be caused.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a tail gas treatment device of a triple-effect evaporation system.

The technical scheme adopted by the invention for solving the technical problems is as follows: a tail gas treatment device of a triple-effect evaporation system comprises a box body, a treatment structure, a circulation structure, a feeding structure, a filtering structure and a stirring structure, wherein the treatment structure used for spraying the tail gas passing through the interior of the box body is arranged at one end of the box body, which plays a role of supporting and installing other parts, and the circulation structure used for recycling a treatment agent for treating the tail gas is arranged outside the box body; the feeding structure for mixing a treatment agent with tap water is installed outside the treatment structure, the filtering structure for filtering and reusing the treatment agent for treating the exhaust gas is installed inside the circulating structure, and the stirring structure for continuously stirring the treatment agent is installed inside the treatment structure.

Specifically, the processing structure includes intake pipe, outlet duct, agitator tank, water jacket, connecting pipe and shower nozzle, the intake pipe is the vertical relation and is fixed in the outside one end of box the box deviates from the one end of intake pipe is fixed the outlet duct the top of box is fixed the agitator tank the top lateral wall of box is fixed the water jacket the bottom of water jacket is the fixed a plurality of slope column structures that are of linear relation the shower nozzle the water jacket with pass through between the agitator tank the connecting pipe is connected, just the agitator tank the connecting pipe with communicate with each other between the shower nozzle.

Specifically, loop construction includes water collecting sleeve, water pitcher, the pump body, first fixed pipe, the fixed pipe of second, fixed cover and inlet opening, the water collecting sleeve is fixed in the bottom of box the water collecting sleeve deviates from the one end of box is fixed the water pitcher the external fixation of box the pump body with connect between the water pitcher first fixed pipe the agitator tank deviates from the one end of box is fixed cover with pass through between the pump body the fixed union coupling of second fixed cover with pass through between the agitator tank the inlet opening intercommunication.

Specifically, the feeding structure is including installation pipe, fixed block, inlet tube, valve, hopper, intercommunicating pore, sealing plug, first spring and feed port, the installation pipe is fixed in the outside one end of agitator tank the installation pipe deviates from the one end of agitator tank is fixed the fixed block the inside of fixed block is equipped with the intercommunicating pore the inside sliding connection of intercommunicating pore has the sealing plug with the centre gripping is fixed between the fixed block first spring the fixed block deviates from the one end of installation pipe is fixed the inlet tube the external fixation of inlet tube the valve the top of fixed block is fixed the hopper, just the hopper passes through the feed port with the intercommunicating pore intercommunication.

Specifically, filtration includes mounting panel, pull rod, filter screen, spacing groove, jack, inserted bar and second spring, mounting panel sliding connection in the cover that catchments the one end of mounting panel is fixed the filter screen the inside of the cover that catchments is equipped with the spacing groove the inside of mounting panel is equipped with the jack the inside sliding connection of the cover that catchments has the inserted bar, just the outside diameter of inserted bar is less than the diameter of jack the inserted bar with it is fixed to catchment centre gripping between the cover the second spring the one end of inserted bar is the vertical relation fixed the pull rod, just the pull rod with it is sliding connection to catchment the cover.

Specifically, the stirring structure includes pivot, first puddler, second puddler, third puddler and blade, the pivot rotate connect in the inside of agitator tank the outside of pivot is the fixed a plurality ofly of annular array relation the blade the outside of pivot is the fixed a plurality ofly of annular array and is L shape structure the third puddler the outside of pivot is the fixed a plurality ofly of annular array relation first puddler the one end of first puddler is fixed and is S shape structure the second puddler.

The invention has the beneficial effects that:

(1) the tail gas treatment device of the triple-effect evaporation system can not only treat tail gas, but also recycle a treatment agent for treating the tail gas through the matching use of the treatment structure and the circulation structure, thereby not only increasing the treatment efficiency of the tail gas, but also avoiding the waste of the treatment agent, namely when the tail gas passes through the air inlet pipe, the box body and the air outlet pipe in sequence, the treatment agent can enter the water jacket through the connecting pipe because the treatment agent can be sprayed out from a plurality of nozzles in an inclined structure because the treatment agent is contained in the stirring tank and enters the water jacket through the connecting pipe, and the treatment agent which is treated by the tail gas is prevented from being directly discharged into the atmosphere to cause atmospheric pollution, and is collected when the treatment agent which is treated by the tail gas flows into the water tank from the water jacket, the pump body during operation, because the pump body is connected with the water pitcher through first fixed pipe, the pump body passes through the fixed pipe of second and is connected with fixed cover, through the work of the pump body, can be with the inside of the fixed cover of the inside treating agent suction of water pitcher, because the inside of fixed cover passes through inlet opening and agitator tank intercommunication, just can be with the inside treating agent suction agitator tank's of water pitcher inside once more inside, handle tail gas from the agitator tank again, and because the pump body also is equivalent to a pressure equipment, can pressurize the work with the agitator tank inside, therefore, be vaporific structure from shower nozzle spun treating agent, can increase the treatment effeciency of tail gas.

(2) The tail gas treatment device of the triple-effect evaporation system can synchronously drive the stirring structure to work while the circulating structure works, can fully stir the treating agent in the circulating structure through the work of the stirring structure, can promote the treating agent to be fully mixed with tap water, and can also avoid the condition of precipitation of the treating agent, namely, as the rotating shaft is rotatably connected in the fixed sleeve and the stirring tank, the plurality of blades are fixed on the outer part of the rotating shaft in an annular array, as the second fixed pipe is tangent to the fixed sleeve, the treating agent entering the fixed sleeve from the second fixed pipe can drive the rotating shaft to rotate through the blades, and as the plurality of third stirring rods with L-shaped cross sections are fixed on the outer part of the rotating shaft in an annular array, the treating agent in the stirring tank can be fully stirred, promote the treating agent and carry out abundant mixture with the running water to can increase the treatment effeciency of tail gas, and still be the fixed a plurality of first puddlers of cyclic annular array and second puddler in the outside of pivot, can further increase the stirring efficiency of treating agent.

(3) The tail gas treatment device of the triple-effect evaporation system can filter the treating agent for treating the tail gas through the arrangement of the filtering structure, thereby avoiding impurities in the treating agent pumped back to the inside of the treating structure, increasing the treating efficiency of the tail gas, namely, the mounting plate for fixing the filter screen is connected with the water collecting sleeve in a sliding way, thereby being convenient for mounting and dismounting the filter screen and cleaning and replacing the filter screen, and because the filter screen and the water collecting sleeve are in an inclined structure, the filtering area of the filter screen can be increased, the filtering effect of the treating agent is increased, and because the jacks are arranged in the mounting plate, there is the inserted bar in the inside sliding connection who catchments the cover, and the inserted bar can insert the inside of jack under the spring action of second spring and fix the mounting panel to can avoid the filter screen to take place the condition of skew at the during operation.

(4) The tail gas treatment device of the triple-effect evaporation system can automatically complete the addition work of treatment chemicals when tap water is introduced through the arrangement of the feeding structure, thereby avoiding the waste of the treatment chemicals, when diluted treatment chemicals need to be injected into the interior of the treatment structure, the valve is opened, tap water enters the water inlet pipe at the moment, the sealing plug can be pushed to slide towards the interior of the fixed block, when the sealing plug does not block the communicating hole and the feeding hole any more, the treatment chemicals in the hopper can enter the interior of the stirring tank along the tap water for dilution work, when the injection is not needed, the sealing plug can block the communicating hole and the feeding hole again under the elastic force of the first spring only by closing the valve, the condition that the treatment chemicals flow into the stirring tank can be avoided, thereby realizing automatic feeding, waste of the treating agent can also be avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram illustrating an overall structure of a preferred embodiment of a tail gas treatment device of a triple-effect evaporation system provided in the present invention;

FIG. 2 is a schematic view of a coupling structure of the tank and the processing structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the feeding structure shown in FIG. 1

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is an enlarged view of the portion B shown in fig. 2.

In the figure: 1. the device comprises a box body, 2, a processing structure, 21, an air inlet pipe, 22, an air outlet pipe, 23, a stirring tank, 24, a water jacket, 25, a connecting pipe, 26, a spray head, 3, a circulating structure, 31, a water collecting sleeve, 32, a water tank, 33, a pump body, 34, a first fixed pipe, 35, a second fixed pipe, 36, a fixed sleeve, 37, a water inlet hole, 4, a feeding structure, 41, an installation pipe, 42, a fixed block, 43, a water inlet pipe, 44, a valve, 45, a hopper, 46, a communication hole, 47, a sealing plug, 48, a first spring, 49, a feeding hole, 5, a filtering structure, 51, an installation plate, 52, a pull rod, 53, a filter screen, 54, a limiting groove, 55, an insertion hole, 56, an insertion rod, 57, a second spring, 6, a stirring structure, 61, a rotating shaft, 62, a first stirring rod, 63, a second stirring rod, 64, a third.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-5, the tail gas treatment device of a triple-effect evaporation system according to the present invention includes a box body 1, a treatment structure 2, a circulation structure 3, a feeding structure 4, a filtering structure 5, and a stirring structure 6, wherein the treatment structure 2 for performing a spraying treatment on tail gas passing through the inside of the box body 1 is installed at one end of the box body 1 for supporting and installing other components, and the circulation structure 3 for recycling a treatment agent for treating tail gas is installed outside the box body 1; the feeding structure 4 for mixing a treatment chemical with tap water is installed outside the treatment structure 2, the filtering structure 5 for filtering and reusing a treatment agent for treating exhaust gas is installed inside the circulating structure 3, and the stirring structure 6 for continuously stirring the treatment agent is installed inside the treatment structure 2.

Specifically, the processing structure 2 includes an air inlet pipe 21, an air outlet pipe 22, a stirring tank 23, a water jacket 24, a connecting pipe 25 and a spray head 26, the air inlet pipe 21 is fixed at one end outside the box body 1 in a vertical relationship, the air outlet pipe 22 is fixed at one end of the box body 1 deviating from the air inlet pipe 21, the stirring tank 23 is fixed at the top end of the box body 1, the water jacket 24 is fixed at the side wall of the top end of the box body 1, the spray heads 26 in an inclined structure are fixed at the bottom end of the water jacket 24 in a linear relationship, the water jacket 24 is connected with the stirring tank 23 through the connecting pipe 25, the stirring tank 23, the connecting pipe 25 and the spray heads 26 are communicated, when tail gas passes through the air inlet pipe 21, the box body 1 and the air outlet pipe 22 in sequence, because the processing agent is contained in the stirring tank 23, and the treating agent can enter the water jacket 24 through the connecting pipe 25, and the plurality of spray heads 26 are linearly fixed at the bottom end of the water jacket 24, so that the treating agent can be sprayed out from the plurality of spray heads 26 in an inclined structure, the tail gas passing through the interior of the box body 1 can be treated, and the tail gas is prevented from being directly discharged into the atmosphere to cause atmosphere pollution.

Specifically, the circulation structure 3 includes a water collecting sleeve 31, a water tank 32, a pump body 33, a first fixing pipe 34, a second fixing pipe 35, a fixing sleeve 36 and a water inlet 37, wherein the water collecting sleeve 31 is fixed at the bottom end of the tank body 1, the water tank 32 is fixed at the end of the water collecting sleeve 31 away from the tank body 1, the pump body 33 is fixed outside the tank body 1, the first fixing pipe 34 is connected between the pump body 33 and the water tank 32, the fixing sleeve 36 is fixed at the end of the agitator tank 23 away from the tank body 1, the fixing sleeve 36 is connected with the pump body 33 through the second fixing pipe 35, the fixing sleeve 36 is communicated with the agitator tank 23 through the water inlet 37, a treating agent for treating the exhaust gas flows into the water tank 32 from the water collecting sleeve 31 for collection, when the pump body 33 works, because the pump body 33 passes through first fixed pipe 34 with the water pitcher 32 is connected, the pump body 33 passes through the fixed pipe 35 of second with fixed cover 36 is connected, through the work of pump body 33 can with the inside processing agent suction of water pitcher 32 the inside of fixed cover 36, because the inside of fixed cover 36 is passed through inlet opening 37 with agitator tank 23 intercommunication, just can with the inside processing agent suction once more of water pitcher 32 the inside of agitator tank 23 is followed again agitator tank 23 is handled tail gas, and because pump body 33 also is equivalent to a pressurized equipment, can with the inside pressurization work that carries out of agitator tank 23, consequently, follows the processing agent of shower nozzle 26 spun is vaporific structure, can increase the treatment effeciency of tail gas.

Specifically, the feeding structure 4 includes a mounting pipe 41, a fixing block 42, a water inlet pipe 43, a valve 44, a hopper 45, a communication hole 46, a sealing plug 47, a first spring 48 and a feeding hole 49, the mounting pipe 41 is fixed at one end of the outer portion of the stirring tank 23, the fixing block 42 is fixed at one end of the mounting pipe 41 away from the stirring tank 23, the communication hole 46 is arranged inside the fixing block 42, the sealing plug 47 is slidably connected inside the communication hole 46, the first spring 48 is fixedly clamped between the sealing plug 47 and the fixing block 42, the water inlet pipe 43 is fixed at one end of the fixing block 42 away from the mounting pipe 41, the valve 44 is fixed outside the water inlet pipe 43, the hopper 45 is fixed at the top end of the fixing block 42, and the hopper 45 is communicated with the communication hole 46 through the feeding hole 49, when diluted treatment agent needs to be injected into the stirring tank 23, the valve 44 is opened, at the moment, tap water enters the water inlet pipe 43, the sealing plug 47 can be pushed to slide towards the inside of the fixing block 42, when the sealing plug 47 does not block the communication hole 46 and the feeding hole 49 any more, the treatment agent in the hopper 45 enters the stirring tank 23 along with the tap water to be diluted, when the treatment agent does not need to be injected, only the valve 44 needs to be closed, the sealing plug 47 blocks the communication hole 46 and the feeding hole 49 again under the elastic force action of the first spring 48, and the treatment agent can be prevented from flowing into the stirring tank 23, so that automatic feeding can be realized, and waste of the treatment agent can be avoided.

Specifically, filtration 5 includes mounting panel 51, pull rod 52, filter screen 53, spacing groove 54, jack 55, inserted bar 56 and second spring 57, mounting panel 51 sliding connection in the water collecting cover 31 the one end of mounting panel 51 is fixed filter screen 53 the inside of water collecting cover 31 is equipped with spacing groove 54 the inside of mounting panel 51 is equipped with the jack 55 the inside sliding connection of water collecting cover 31 has the inserted bar 56, just the outside diameter of inserted bar 56 is less than the diameter of jack 55 the inserted bar 56 with it is fixed to centre gripping between the water collecting cover 31 the second spring 57 the one end of inserted bar 56 is the vertical relation fixed pull rod 52, just pull rod 52 with water collecting cover 31 sliding connection, owing to fix the filter screen 53 the mounting panel 51 sliding connection in the water collecting cover 31, thereby can be convenient for filter screen 53's installation and dismantlement are convenient for right filter screen 53 clears up and changes, and because filter screen 53 with water collection cover 31 is slope column structure, can increase filter area of filter screen 53 increases the filter effect of treatment agent, and owing the inside of mounting panel 51 is equipped with jack 55 the inside sliding connection of water collection cover 31 has inserted bar 56, just inserted bar 56 can insert under the spring action of second spring 57 the inside of jack 55 is right mounting panel 51 is fixed, thereby can avoid filter screen 53 takes place the condition of skew at the during operation.

Specifically, stirring structure 6 includes pivot 61, first puddler 62, second puddler 63, third puddler 64 and blade 65, pivot 61 rotate connect in the inside of agitator tank 23 the outside of pivot 61 is the fixed a plurality of annular array relation blade 65 the outside of pivot 61 is the fixed a plurality of L shape structure of annular array third puddler 64 is the outside of pivot 61 is the fixed a plurality of L shape structure of annular array the outside of pivot 61 is the fixed a plurality of first puddler 62 the one end of first puddler 62 is fixed to be the S-shaped structure second puddler 63, because fixed cover 36 with the internal rotation of agitator tank 23 is connected with pivot 61 the outside of pivot 61 is the fixed a plurality of annular array blade 65, because the fixed pipe 35 of second with fixed cover 36 is tangent, follows promptly the fixed pipe 35 of second gets into the inside finishing agent of fixed cover 36 can pass through blade 65 drives institute The rotating shaft 61 rotates, the third stirring rod 64 with the L-shaped structure is fixed to the outer portion of the rotating shaft 61 in an annular array mode, the treating agents in the stirring tank 23 can be fully stirred, the treating agents and tap water are fully mixed, accordingly, the tail gas treatment efficiency can be improved, the outer portion of the rotating shaft 61 is also fixed to the first stirring rod 62 and the second stirring rod 63 in an annular array mode, and the stirring efficiency of the treating agents can be further improved.

When the device is used, when diluted treatment agent needs to be injected into the stirring tank 23, the valve 44 is opened, tap water enters the water inlet pipe 43 at the moment, the sealing plug 47 can be pushed to slide towards the inside of the fixing block 42, when the sealing plug 47 does not block the communication hole 46 and the feeding hole 49 any more, the treatment agent in the hopper 45 enters the stirring tank 23 along with the tap water to be diluted, when the injection is not needed, only the valve 44 needs to be closed, and the sealing plug 47 blocks the communication hole 46 and the feeding hole 49 again under the elastic force of the first spring 48, so that the condition that the treatment agent flows into the stirring tank 23 can be avoided, the automatic feeding can be realized, and the waste of the treatment agent can be avoided; when the tail gas passes through the gas inlet pipe 21, the box body 1 and the gas outlet pipe 22 in sequence, because the treatment agent is contained in the stirring tank 23, and can enter the water jacket 24 through the connecting pipe 25, and because the plurality of spray heads 26 are linearly fixed at the bottom end of the water jacket 24, the treatment agent can be sprayed out from the plurality of spray heads 26 in an inclined structure, the tail gas passing through the box body 1 can be treated, and the tail gas is prevented from being directly discharged into the atmosphere to cause atmospheric pollution; the treating agent that finishes the tail gas treatment flows into from the water collecting sleeve 31 the inside of water pitcher 32 is collected, the pump body 33 during operation, because the pump body 33 pass through first fixed pipe 34 with the water pitcher 32 is connected, the pump body 33 pass through second fixed pipe 35 with fixed cover 36 is connected, through the work of the pump body 33, can with the inside treating agent suction of water pitcher 32 the inside of fixed cover 36, because the inside of fixed cover 36 passes through inlet opening 37 with agitator tank 23 communicates, just can with the inside treating agent suction of water pitcher 32 once more the inside of agitator tank 23, follow again agitator tank 23 is handled tail gas, and because the pump body 33 also is equivalent to a pressure equipment, can with the inside pressurization work of agitator tank 23, consequently, follow the treating agent that shower nozzle 26 squirts is fog-like structure, the treatment efficiency of the tail gas can be increased; since the rotating shaft 61 is rotatably connected to the inside of the fixed sleeve 36 and the agitation tank 23, a plurality of said blades 65 are fixed in an annular array on the outside of said rotating shaft 61, since said second fixed pipe 35 is tangent to said fixed sleeve 36, namely, the treating agent entering the interior of the fixed sleeve 36 from the second fixed pipe 35 can drive the rotating shaft 61 to rotate through the blades 65, since the third stirring rods 64 with the L-shaped cross-section are fixed on the outer part of the rotating shaft 61 in an annular array, the treating agent in the stirring tank 23 can be fully stirred, so that the treating agent and tap water can be fully mixed, therefore, the treatment efficiency of the tail gas can be increased, and the stirring efficiency of the treating agent can be further increased by fixing a plurality of first stirring rods 62 and second stirring rods 63 outside the rotating shaft 61 in an annular array; because it is fixed the filter screen 53 the mounting panel 51 sliding connection in water collection cover 31, thereby can be convenient for the installation and the dismantlement of filter screen 53 are convenient for right the filter screen 53 is cleared up and is changed, and because the filter screen 53 with water collection cover 31 is slope column structure, can increase the filter area of filter screen 53 increases the filter effect of treatment agent, and because the inside of mounting panel 51 is equipped with the jack 55 the inside sliding connection of water collection cover 31 has the inserted bar 56, just the inserted bar 56 can insert under the spring action of second spring 57 the inside of jack 55 is right the mounting panel 51 is fixed, thereby can avoid the condition that the skew takes place at the during operation of filter screen 53.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tail gas processing apparatus of triple effect evaporation system which characterized in that: the device comprises a box body (1), a treatment structure (2), a circulation structure (3), a feeding structure (4), a filtering structure (5) and a stirring structure (6), wherein one end of the box body (1) which is used for supporting and installing other parts is provided with the treatment structure (2) which can carry out spraying treatment on tail gas passing through the interior of the box body (1), and the circulation structure (3) which can recycle a treatment agent for treating the tail gas is arranged outside the box body (1); the feeding structure (4) for mixing a treatment agent with tap water is installed outside the treatment structure (2), the filtering structure (5) for filtering and reusing the treatment agent for treating the exhaust gas is installed inside the circulating structure (3), and the stirring structure (6) for continuously stirring the treatment agent is installed inside the treatment structure (2).

2. The tail gas treatment device of a triple effect evaporation system according to claim 1, characterized in that: the treatment structure (2) comprises an air inlet pipe (21), an air outlet pipe (22), a stirring tank (23), a water jacket (24), a connecting pipe (25) and a spray head (26), the air inlet pipe (21) is fixed at one end of the outer part of the box body (1) in a vertical relation, the air outlet pipe (22) is fixed at one end of the box body (1) deviating from the air inlet pipe (21), the stirring tank (23) is fixed at the top end of the box body (1), the water jacket (24) is fixed on the side wall of the top end of the box body (1), a plurality of spray heads (26) in an inclined structure are fixed at the bottom end of the water jacket (24) in a linear relationship, the water jacket (24) and the stirring tank (23) are connected through the connecting pipe (25), and the stirring tank (23), the connecting pipe (25) and the spray head (26) are communicated.

3. The tail gas treatment device of a triple effect evaporation system according to claim 2, characterized in that: the circulating structure (3) comprises a water collecting sleeve (31), a water tank (32), a pump body (33), a first fixing pipe (34), a second fixing pipe (35), a fixing sleeve (36) and a water inlet hole (37), the water collecting sleeve (31) is fixed at the bottom end of the tank body (1), the water tank (32) is fixed at one end of the water collecting sleeve (31) deviating from the tank body (1), the pump body (33) is fixed outside the tank body (1), the first fixed pipe (34) is connected between the pump body (33) and the water tank (32), the fixed sleeve (36) is fixed at one end of the stirring tank (23) deviating from the box body (1), is connected between the fixed sleeve (36) and the pump body (33) through the second fixed pipe (35), the fixed sleeve (36) is communicated with the stirring tank (23) through the water inlet hole (37).

4. The tail gas treatment device of a triple effect evaporation system according to claim 2, characterized in that: the feeding structure (4) comprises a mounting pipe (41), a fixing block (42), a water inlet pipe (43), a valve (44), a hopper (45), a communication hole (46), a sealing plug (47), a first spring (48) and a feeding hole (49), wherein the mounting pipe (41) is fixed at one end outside the stirring tank (23), the mounting pipe (41) deviates from one end of the stirring tank (23) and is fixed on the fixing block (42), the communication hole (46) is formed in the fixing block (42), the sealing plug (47) is connected to the inside of the communication hole (46) in a sliding mode, the first spring (48) is clamped and fixed between the fixing block (47) and the fixing block (42), the water inlet pipe (43) is fixed at one end of the fixing block (42) deviating from the mounting pipe (41), and the valve (44) is fixed outside the water inlet pipe (43), the hopper (45) is fixed at the top end of the fixing block (42), and the hopper (45) is communicated with the communication hole (46) through the feeding hole (49).

5. The tail gas treatment device of a triple effect evaporation system according to claim 3, characterized in that: the filtering structure (5) comprises a mounting plate (51), a pull rod (52), a filter screen (53), a limiting groove (54), a jack (55), an inserting rod (56) and a second spring (57), the mounting plate (51) is connected with the water collecting sleeve (31) in a sliding manner, one end of the mounting plate (51) is fixed with the filter screen (53), the limiting groove (54) is arranged in the water collecting sleeve (31), the jack (55) is arranged in the mounting plate (51), the inserting rod (56) is connected with the water collecting sleeve (31) in a sliding manner, the outer diameter of the inserting rod (56) is smaller than that of the jack (55), the inserting rod (56) is fixed with the second spring (57) in a clamping manner between the water collecting sleeve (31), one end of the inserting rod (56) is fixed with a vertical relationship with the pull rod (52), and the pull rod (52) is connected with the water collecting sleeve (31) in a sliding way.

6. The tail gas treatment device of a triple effect evaporation system according to claim 2, characterized in that: stirring structure (6) are including pivot (61), first puddler (62), second puddler (63), third puddler (64) and blade (65), pivot (61) rotate connect in the inside of agitator tank (23) the outside of pivot (61) is that the annular array relation is fixed a plurality ofly blade (65) the outside of pivot (61) is that the annular array is fixed a plurality ofly to be the L shape structure third puddler (64) the outside of pivot (61) is that the annular array relation is fixed a plurality ofly first puddler (62) the one end of first puddler (62) is fixed to be the S-shaped structure second puddler (63).