CN206809977U - Two sections of level Four exhaust treating purifiers - Google Patents

Abstract

The utility model provides a kind of two sections of level Four exhaust treating purifiers, including the main box with purification cavity, the first purifying treating unit, the second purifying treating unit, the 3rd purifying treating unit and the 4th purifying treating unit are sequentially provided with along exhaust gas flow direction in the purification cavity；First spray equipment, the second spray equipment, the 3rd spray equipment and the 4th spray equipment are installed on the main box；And first spray equipment and the second spray equipment are connected by first circulation pipeline with Rose Box；3rd spray equipment and the 4th spray equipment are connected by the 3rd circulation line and the 4th circulation line with Rose Box respectively；The Rose Box is connected with purification cavity；The main box includes preceding casing and rear box；First purifying treating unit and the second purifying treating unit are located in preceding casing, and the 3rd purifying treating unit and the 4th purifying treating unit are located in rear box.The utility model purifing efficiency is higher.

Description

Two sections of level Four exhaust treating purifiers

Technical field

Waste gas purification processing technology field is the utility model is related to, more particularly to a kind of two sections of level Four waste gas purifications processing Equipment.

Background technology

In the prior art, it will usually which purified treatment is carried out to industrial waste using WATER-WASHING METHOD.But existing WATER-WASHING METHOD Processing equipment, because its recirculated water is without filtering, and lack reasonable installation liquid level detection system and water quality monitoring system, easily make Blocked into spray system, and then reduce the purified treatment efficiency to waste gas；Meanwhile and because its drainage system is unreasonable, lead Cause it to be difficult in time discharge the impurity in water in drainage procedure, and then cause that its purification efficiency is low and water consumption is big.

For example, Chinese utility model specification 201420498276.2 discloses a kind of waste gas treatment equipment, including waste gas Treating column, exhaust-gas treatment tower bottom are provided with exhaust gas inlet, and top is provided with clean air outlet, the exhaust gas inlet of exhaust gas treating tower with Current divider, separation ball, spray head are sequentially provided between clean air outlet, except fog-zone；Water tank is additionally provided with below exhaust gas treating tower, Spray head is connected with water tank by water pipe；Exhaust-gas treatment tower bottom is provided with overfall, and is connected with drainage pipeline；Water tank is also connected with There is automatic medicament feeding machine.

Above-mentioned waste gas treatment equipment of the prior art, its advantage are：By spray head into exhaust gas treating tower shower water, Particle in waste gas is rinsed into water tank using water, realizes the purification of waste gas, and spray head is connected with water tank by water pipe, water tank In water again reusable edible；However, its shortcoming is：Because the water in water tank usually contains impurity, and the water in the water tank is simultaneously Just reused without any filtering, easily cause the blocking of water pipe and spray head, normally sprayed water so as to influence spray head, And then cause its purification efficiency relatively low.

Utility model content

In view of the above the shortcomings that prior art, the technical problems to be solved in the utility model is to provide a kind of purification Two sections of more efficient level Four exhaust treating purifiers.

To achieve the above object, the utility model provides a kind of two sections of level Four exhaust treating purifiers, including with net Change the main box of cavity, the air intake communicated with purification cavity and gas outlet are respectively equipped with the main box, the purification is empty In chamber the first purifying treating unit, the second purifying treating unit, the 3rd purifying treating unit are sequentially provided with along exhaust gas flow direction With the 4th purifying treating unit；On the main box correspond respectively to the first purifying treating unit, the second purifying treating unit, First spray equipment, the second spray equipment, the 3rd spray are installed at the 3rd purifying treating unit and the 4th purifying treating unit Device and the 4th spray equipment；And first spray equipment and the second spray equipment pass through first circulation pipeline and Rose Box phase Connection；3rd spray equipment and the 4th spray equipment are connected by the 3rd circulation line and the 4th circulation line with Rose Box respectively It is logical；The Rose Box is connected with purification cavity；The main box includes preceding casing and rear box；The first purified treatment list Member and the second purifying treating unit are located in preceding casing, after the 3rd purifying treating unit and the 4th purifying treating unit are located at In casing.

Further, first spray equipment includes the first shower being connected with first circulation pipeline；Described Two spray equipments include more the second showers being connected with first circulation pipeline；3rd spray equipment include more with The 3rd shower that 3rd circulation line is connected, and more 3rd showers are located at the top of the 3rd purifying treating unit respectively And side；4th spray equipment includes more the 4th showers being connected with the 4th circulation line, and more 4th sprays Shower pipe is located at the top and side of the 4th purifying treating unit respectively；First shower, the second shower, the 3rd shower Multiple nozzles are equipped with the 4th shower.

Further, screen pack is provided with the Rose Box.

Further, the Rose Box is connected by pond with purification cavity；The pond is provided with admission port and row The mouth of a river.

Further, the discharge outlet includes the upper discharge outlet positioned at pond upper end and the lower draining positioned at pond lower end Mouthful.

Further, the Rose Box has two；The first circulation pipeline passes through first circulation water pump and one of them Rose Box is connected；3rd circulation line and the 4th circulation line respectively by the 3rd water circulating pump and the 4th water circulating pump with it is another One Rose Box is connected.

Further, the pond has two；And two ponds are respectively positioned at the lower section of preceding casing and rear box.

Further, liquid level gauge is installed on the Rose Box；Water quality detecting device is installed on the Rose Box.

Further, the main box is provided with the first gas-liquid separation between the first spray equipment and the second spray equipment and filled Put；The main box is provided with the second gas-liquid separation device between the second spray equipment and the 3rd spray equipment；The main box The 3rd gas-liquid separation device is provided with neighbouring gas outlet.

Further, the 3rd purifying treating unit and the 4th purifying treating unit are formed by air filtration filler.

As described above, the two sections of level Four exhaust treating purifiers that the utility model is related to, have the advantages that：

Two sections of level Four exhaust treating purifiers in the utility model, when in use, the circulation flowed out from purification cavity Water flow to the first spray equipment, the second spray equipment, the 3rd spray equipment and the 4th spray dress respectively again after filter box filters Put；So as to avoid the impurity in recirculated water from causing the first spray equipment, the second spray equipment, the 3rd spray equipment and the 4th spray The blocking of device, ensure the normal circulation of recirculated water and the normal use of spray equipment, and then ensure the utility model purification effect Rate is higher；Meanwhile purify in cavity and be provided with level Four purifying treating unit, further enhanced pair using the level Four purifying treating unit The clean-up effect of waste gas；In addition, main box uses segmentation structure, it is easy to process.

Brief description of the drawings

Fig. 1 is the front view of two sections of level Four exhaust treating purifiers in the utility model.

Fig. 2 is Fig. 1 left view.

Fig. 3 is Fig. 1 top view.

Fig. 4 is the rearview of two sections of level Four exhaust treating purifiers in the utility model.

Component label instructions

1 main box

11 purification cavitys

12 air intakes

13 gas outlets

141 first gas-liquid separation devices

142 second gas-liquid separation devices

15 the 3rd gas-liquid separation devices

16 first installation lids

17 second installation lids

Casing before 18

19 rear box

21 first spray equipments

211 first showers

22 second spray equipments

221 second showers

23 the 3rd spray equipments

231 the 3rd showers

24 the 4th spray equipments

241 the 4th showers

3 Rose Boxes

31 Rose Box bases

32 second regulating bolts

41 first circulation pipelines

411 first check valves

412 first switch valves

43 the 3rd circulation lines

431 the 3rd check valves

432 the 3rd switch valves

44 the 4th circulation lines

441 the 4th check valves

442 the 4th switch valves

6 ponds

61 admission ports

62 discharge outlet

Discharge outlet on 621

622 times discharge outlet

63 water supply systems

64 drainage systems

65 pond bases

66 first regulating bolts

71 first circulation water pumps

73 the 3rd water circulating pumps

74 the 4th water circulating pumps

8 dosing tanks

9 I/O interfaces are distributed case

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the present utility model easily.

It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only coordinating specification to be taken off The content shown, so that those skilled in the art understands and reads, it is not limited to the enforceable restriction bar of the utility model Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing Under the effect of the utility model can be generated and the purpose that can reach, all should still it fall in the technology disclosed in the utility model In the range of Rong get Neng is covered.Meanwhile cited such as " on ", " under ", "left", "right", the use of " centre " in this specification Language, be merely convenient to narration understand, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.

In the utility model embodiment：As shown in figure 1, the short transverse of main box 1 is defined as above-below direction, i.e., by paper The above-below direction in face is defined as above-below direction；As shown in figure 1, the length direction in pond 6 is defined as fore-and-aft direction, i.e., by paper Left and right directions be defined as fore-and-aft direction；As shown in Fig. 2 the left and right directions of paper is defined as left and right directions.

As shown in Figures 1 to 4, the utility model provides a kind of two sections of level Four exhaust treating purifiers, including with net Change the main box 1 of cavity 11, the air intake 12 communicated with purification cavity 11 and gas outlet 13 are respectively equipped with main box 1.Meanwhile In purification cavity 11 the first purifying treating unit, the second purifying treating unit, the 3rd purification are sequentially provided with along exhaust gas flow direction Processing unit and the 4th purifying treating unit.The first purifying treating unit, the second purified treatment are being corresponded respectively on main box 1 Be provided with unit, the 3rd purifying treating unit and the 4th purifying treating unit the first spray equipment 21, the second spray equipment 22, 3rd spray equipment 23 and the 4th spray equipment 24；And first spray equipment 21 and the second spray equipment 22 pass through first circulation pipe Road 41 is connected with Rose Box 3；3rd spray equipment 23 and the 4th spray equipment 24 pass through the 3rd circulation line 43 and respectively Four circulation lines 44 are connected with Rose Box 3.Rose Box 3 is connected with purification cavity 11.Main box 1 includes preceding casing 18 with after Casing 19；First purifying treating unit and the second purifying treating unit are located in preceding casing 18, the 3rd purifying treating unit and Four purifying treating units are located in rear box 19.When in use, waste gas enters purification cavity 11 by air intake 12, and by gas outlet 13 outflows；When waste gas flows through the first purifying treating unit, the first spray equipment 21 sprays to the first purifying treating unit corresponding position Water, it is in contact by gas-liquid, the granule foreign in waste gas is rinsed out, so as to realizes the first order purified treatment to waste gas；When When waste gas continues flow through the second purifying treating unit, the second spray equipment 22 passes through to shower water on the second purifying treating unit Gas-liquid is in contact, and the granule foreign in waste gas is rinsed out, so as to realize the second level purified treatment to waste gas；When waste gas continues When flowing through three purifying treating units, the 3rd purifying treating unit further filters to the granule foreign remained in waste gas, meanwhile, 3rd spray equipment 23 is in contact by gas-liquid to shower water on the 3rd purifying treating unit, by waste gas and the 3rd purification Granule foreign on processing unit rinses out, so as to realize the third level purified treatment to waste gas；When waste gas continues flow through the 4th During purifying treating unit, the 4th purifying treating unit further filters to the granule foreign remained in waste gas, meanwhile, the 4th spray Device 24 is in contact by gas-liquid to shower water on the 4th purifying treating unit, by waste gas and the 4th purifying treating unit On granule foreign rinse out, so as to realize the fourth stage purified treatment to waste gas.The utility model is purified by above-mentioned level Four Processing, ensures that purified treatment effect of the present utility model is more preferable.And from the first spray equipment 21, the second spray equipment the 22, the 3rd Water, the purified cavity 11 sprayed in the spray equipment 24 of spray equipment 23 and the 4th flows into Rose Box 3 and filtered by filter box 3 Afterwards, then respectively the first spray equipment 21 and the second spray equipment 22 are flowed into, through the 3rd circulation line 43 through first circulation pipeline 41 Flow into the 3rd spray equipment 23 and flow into the 4th spray equipment 24 through the 4th circulation line 44.In this way, not only realize to spray Water drenching recycles；Meanwhile by Rose Box 3 to flowing into the first spray equipment 21, the second spray equipment the 22, the 3rd spray dress Put 23 and the 4th the recirculated water of spray equipment 24 filtered, avoid resulting in blockage to circulation line and spray equipment, and then Ensure normal circulation and the first spray equipment 21, the second spray equipment 22, the 3rd spray equipment 23 and the 4th spray of recirculated water The normal use of shower device 24, and make the purification efficiency of two sections of level Four exhaust treating purifiers in the utility model higher.Separately Outside, main box 1 designs for segmentation structure in the utility model, including 19 two sections of preceding casing 18 and rear box, and such a structure is just In segmental machining and transport.And preceding casing 18 and rear box 19 include upper and lower two parts.

In addition, as shown in Figure 1 and Figure 4, above-mentioned air intake 12 is located at the top of the preceding front end of casing 18；Gas outlet 13 is located at The rear end of rear box 19.Above-mentioned purification cavity 11 runs through preceding casing 18 and rear box 19.

Screen pack is provided with above-mentioned Rose Box 3, effectively can be fallen the contaminant filter in recirculated water using the screen pack.It is above-mentioned 3rd purifying treating unit and the 4th purifying treating unit are formed by air filtration filler, and air filtration in the present embodiment Filler is the ball-type polypropylene polyhedron empty ball of different size.Above-mentioned air filtration filler can not only be by the granule foreign in waste gas Filter out, while coordinate the use of the 3rd spray equipment 23 and the 4th spray equipment 24, waste gas and shower water can be effectively increased Contact area simultaneously extends residence time of the waste gas in purification cavity 11, so as to effectively increase at purification of the present utility model Manage efficiency.

As shown in Figure 1, Figure 2 and Figure 4, Rose Box 3 is connected by pond 6 with purification cavity 11.Above-mentioned pond 6, filtering Case 3, circulation line and spray equipment collectively form water circulation system.Meanwhile as shown in Figure 1 and Figure 4, pond 6 is provided with and given The mouth of a river 61 and discharge outlet 62.Recirculated water can be injected into pond 6 and whole water circulation system by admission port 61；Pass through Discharge outlet 62 can discharge the recirculated water in pond 6 and in whole water circulation system.As shown in Fig. 2 pond 6 is located at main tank The underface of body 1, pond 6 are connected by flange with Rose Box 3, and Rose Box 3 is located at the water in the side of pond 6 and Rose Box 3 Position is equal with the water level in pond 6.So, the water sprayed out from spray equipment, during purification cavity 11 is flowed through, with giving up Particle in gas is contacted and together flowed under gravity in pond 6, then is flowed into Rose Box 3 through pond 6 and filtered.Such as Fig. 2 and Shown in Fig. 3, above-mentioned pond 6 is fixed on ground by pond base 65 and is connected, and pond base 65 is installed by foundation bolt On ground.In addition, Rose Box 3 is fixed on the ground by Rose Box base 31, Rose Box 3 and Rose Box bottom in the utility model The material of seat 31 is stainless steel.Pond base 65 is installed in above-mentioned pond 6 by the first regulating bolt 66, utilizes the first regulation spiral shell Bolt 66 is easy to the height in adjustment pond 6 as needed；Rose Box 3 is arranged on Rose Box base 31 by the second regulating bolt 32, The height of Rose Box 3 can be adjusted by adjusting second regulating bolt 32.

In use, it is more to flow into the circulation water impurity in pond 6, to ensure the normal fortune of whole water circulation system OK, it usually needs the water in pond 6 is changed, i.e., is discharged the impurity such as the particle in pond 6 together with recirculated water using discharge outlet 62, Recirculated water is refilled into pond 6 by admission port 61 again.Therefore, as shown in Figure 1 and Figure 4, discharge outlet 62 includes being located at water The upper discharge outlet 621 of the upper end of pond 6 and the lower discharge outlet 622 positioned at the lower end of pond 6.It need to be discharged on a small quantity using upper discharge outlet 621 Recirculated water the impurity swum on the water surface can just be discharged, so as to ensure in pond 6 that the recirculated water of lower section cleans and ensures position The water of lower section can be continuing with pond 6, reduce quantity of exchanged water, and then save recirculated water, and make the utility model water consumption Measure relatively low, there is environment protection significance.In addition, upper discharge outlet 621 and lower discharge outlet 622 are respectively positioned on the front end in pond 6；Admission port 61 In the rear end in pond 6.Admission port 61 is connected with water supply system 63；Upper discharge outlet 621 and lower discharge outlet 622 are and drainage system 64 are connected.

As shown in Figure 1 to Figure 3, the first spray equipment 21 includes the first shower being connected with first circulation pipeline 41 211；Second spray equipment 22 includes more the second showers 221 being connected with first circulation pipeline 41；3rd spray equipment 23 include more the 3rd showers 231 being connected with the 3rd circulation line 43, and more 3rd showers 231 are respectively positioned at the The top and side of three purifying treating units；4th spray equipment 24 include more be connected with the 4th circulation line 44 the 4th Shower 241, and more 4th showers 241 are located at the top and side of the 4th purifying treating unit respectively.The utility model In be equipped with multiple nozzles on the first shower 211, the second shower 221, the 3rd shower 231 and the 4th shower 241.On The first shower 211 is stated to be used for spray water at the first purifying treating unit；More second showers 221 are respectively used to second Spray water at purifying treating unit；More 3rd showers 231 are respectively used to from top and the purifying treating unit of side direction the 3rd Spray water；More 4th showers 241 are respectively used to from top and the purifying treating unit spray water of side direction the 4th.This practicality is new Type is using such a intersection spray mode, i.e., shower water and waste gas in the same direction and cross-contact, make shower water more abundant with exhaust gas contact, Ensure that purification efficiency is higher.The second shower 221 has 3 in the present embodiment, and 3 second showers 231 are along the vertical direction It is spaced apart；3rd shower 231 has 3, wherein 1 the 3rd shower 231 is located above the 3rd purifying treating unit, in addition 2 the 3rd showers 231 are located on front side of the 3rd purifying treating unit；4th shower 241 has 3, wherein 1 the 4th shower 241 above the 4th purifying treating unit, and 2 the 4th showers 241 are located on front side of the 4th purifying treating unit in addition.

As shown in figures 1 and 3, Rose Box 3 has two；First circulation pipeline 41 passes through first circulation water pump 71 and wherein one Individual Rose Box 3 is connected；3rd circulation line 43 and the 4th circulation line 44 are followed by the 3rd water circulating pump 73 and the 4th respectively Ring water pump 74 is connected with another Rose Box 3.Utilize first circulation water pump 71, the 3rd water circulating pump 73 and the 4th circulation Water pump 74 pressurizes to the recirculated water after the filtering of filter box 3, so as to ensure that cycle water energy smoothly flows into the first spray equipment 21, the Two spray equipments 22, the 3rd spray equipment 23 and the 4th spray equipment 24.In addition, it is single that first is provided with first circulation pipeline 41 To valve 411, the recirculated water being effectively ensured using first check valve 411 in first circulation pipeline 41 can only be unidirectionally by first circulation Water pump 71 flows into the first spray equipment 21 and the second spray equipment 22.The 3rd check valve 431 is installed in 3rd circulation line 43, The recirculated water being effectively ensured using the 3rd check valve 431 in the 3rd circulation line 43 unidirectionally can only be flowed by the 3rd water circulating pump 73 Enter the 3rd spray equipment 23.The 4th check valve 441 is installed in 4th circulation line 44, it is effective using the 4th check valve 441 Ensure that the recirculated water in the 4th circulation line 44 unidirectionally can only flow into the 4th spray equipment 24 by the 4th water circulating pump 74.In this reality It is stainless steel horizontal centrifugal pump to apply first circulation water pump 71 in example, the 3rd water circulating pump 73 and the 4th water circulating pump 74, is adopted The water of the big lift of big flow can be provided with such a water pump, make the first spray equipment 21, the second spray equipment the 22, the 3rd spray dress Put 23 and the 4th spray equipment 24 reach optimal spray pattern, increase the uniform contact rate of gas-liquid, effectively increase purified treatment Efficiency.In addition, above-mentioned first circulation pipeline 41 by 4 first switch valves 412 respectively with 1 first shower 211 and 3 Two showers 221 are connected；3rd circulation line 43 by 3 the 3rd switch valves 432 respectively with 3 phases of the 3rd shower 231 Connection；4th circulation line 44 is connected with 3 the 4th showers 241 respectively by 3 the 4th switch valves 442.In this implementation First switch valve 412, the 3rd switch valve 432 and the 4th switch valve 442 are wafer type Hand-operated butterfly valve in example.

As shown in Figure 1 and Figure 4, above-mentioned pond 6 also has two；And two ponds 6 are located at preceding casing 18 and rear box respectively 19 underface.Two ponds 6 are separate, and are connected respectively by flange with above-mentioned two Rose Box 3.

Liquid level gauge is installed on Rose Box 3, the water level in Rose Box 3 can be detected in real time using the liquid level gauge, with Ensure that there is enough recirculated water in Rose Box 3.Water quality detecting device is installed on Rose Box 3, the water quality detecting device includes PH monitor control mechanisms etc., water quality situation in Rose Box 3 can be detected in real time using the water quality detecting device.The utility model closes Liquid level gauge, water quality detecting device are installed in the casing of Rose Box 3 by reason, science, and such mounting means is easy to secondary meter Detection and correction, so that it is guaranteed that the normal operation of equipment.In addition, two sections of level Four exhaust treating purifiers in the utility model Also include three dosing tanks 8.Can be respectively to first circulation pipeline 41, the 3rd circulation line 43 and using three dosing tanks 8 Corresponding purification medicament is added in four circulation lines 44, to strengthen the first spray equipment 21, the second spray equipment the 22, the 3rd sprays The clean-up effect of the spray equipment 24 of device 23 and the 4th.

Shown as shown in Figure 1, Figure 3 and Figure 4, main box 1 is provided with the between the first spray equipment 21 and the second spray equipment 22 One gas-liquid separation device 141；Main box 1 is provided with the second gas-liquid separation between the second spray equipment 22 and the 3rd spray equipment 23 Device 142；Main box 1 is provided with the 3rd gas-liquid separation device 15 at neighbouring gas outlet 13.Above-mentioned gas-liquid separation device can be effective Vapor-separated water outlet in gas is come, so as to reduce the humidity of gas.Waste gas through the first spray equipment 21 after spraying, its humidity It can increase, the first gas-liquid separation device 141 isolates the moisture in purification gas；Purification gas continues flow through the second spray dress 22 are put, now its humidity can increase again, and the second gas-liquid separation device 142 isolates the moisture in purification gas；Finally, only Change gas before gas outlet 13 is flowed out, first can isolate the moisture in purification gas through the 3rd gas-liquid separation device 15, from And the purification gas humidity that guarantee is finally discharged is relatively low.Gas-liquid separation device includes corrugated plating in the present embodiment, and such a structure is protected Card separative efficiency is higher, and ensures that the crushing of gas is smaller, and the humidity of the gas after processing is reduced 70%.

In addition, two sections of level Four exhaust treating purifiers of the utility model also include I/O interfaces distribution case 9, electrical conductivity prison Control system and electrical control cabinet.Water circulating pump, liquid level gauge, supply and drain water system, water quality detecting device, electrical conductivity in the application Monitoring system electrically connects with the control circuit system of electrical control cabinet.Meanwhile liquid level gauge, the PH disposed on Rose Box 3 is monitored Mechanism, electrical conductivity monitoring system effectively can be monitored to cycling use of water, effectively reduce water consumption, while facilitate check man Make.

In actual applications, ammonia treatment effeciency of the present utility model is more than 92%；Particulate matter treatment effeciency is more than or equal to 90%；Peculiar odor treatment efficiency is more than or equal to 74%.The utility model realizes exhaust treatment system operation automatic control, tool Have that easy for installation, safe for operation, stability is high, water consumption is small, gas purification efficiency is high and it is continual and steady the advantages of.

In addition, shown as shown in Figure 1, Figure 3 and Figure 4, the top of main box 1 is provided with detachable in the 3rd purifying treating unit corresponding position First installation lid 16；The top of main box 1 is provided with the dismountable second installation lid 17 in the 4th purifying treating unit corresponding position.

In summary, the utility model effectively overcomes various shortcoming of the prior art and has high industrial exploitation value Value.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.

Claims (10)

1. a kind of two sections of level Four exhaust treating purifiers, including the main box (1) with purification cavity (11), the main box (1) air intake (12) communicated with purification cavity (11) and gas outlet (13) are respectively equipped with, it is characterised in that：The purification is empty In chamber (11) the first purifying treating unit, the second purifying treating unit, the 3rd purified treatment are sequentially provided with along exhaust gas flow direction Unit and the 4th purifying treating unit；The first purifying treating unit is being corresponded respectively on the main box (1), at the second purification First spray equipment (21), the second spray dress are installed at reason unit, the 3rd purifying treating unit and the 4th purifying treating unit Put (22), the 3rd spray equipment (23) and the 4th spray equipment (24)；And first spray equipment (21) and the second spray dress (22) are put by first circulation pipeline (41) with Rose Box (3) to be connected；3rd spray equipment (23) and the 4th spray equipment (24) it is connected respectively by the 3rd circulation line (43) and the 4th circulation line (44) with Rose Box (3)；The Rose Box (3) It is connected with purification cavity (11)；The main box (1) includes preceding casing (18) and rear box (19)；First purified treatment Unit and the second purifying treating unit are located in preceding casing (18), the 3rd purifying treating unit and the 4th purifying treating unit In rear box (19).

2. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：First spray equipment (21) the first shower (211) being connected with first circulation pipeline (41) is included；Second spray equipment (22) includes more The second shower (221) that root is connected with first circulation pipeline (41)；3rd spray equipment (23) includes more and the The 3rd shower (231) that three circulation lines (43) are connected, and more 3rd showers (231) are located at the 3rd purification respectively Manage the top and side of unit；4th spray equipment (24) include more be connected with the 4th circulation line (44) the 4th Shower (241), and more 4th showers (241) are located at the top and side of the 4th purifying treating unit respectively；Described Multiple sprays are equipped with one shower (211), the second shower (221), the 3rd shower (231) and the 4th shower (241) Mouth.

3. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：Set in the Rose Box (3) There is screen pack.

4. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：The Rose Box (3) passes through Pond (6) is connected with purification cavity (11)；The pond (6) is provided with admission port (61) and discharge outlet (62).

5. two sections of level Four exhaust treating purifiers according to claim 4, it is characterised in that：The discharge outlet (62) includes Upper discharge outlet (621) positioned at pond (6) upper end and the lower discharge outlet (622) positioned at pond (6) lower end.

6. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：The Rose Box (3) has two It is individual；The first circulation pipeline (41) is connected by first circulation water pump (71) with one of Rose Box (3)；3rd circulation Pipeline (43) and the 4th circulation line (44) pass through the 3rd water circulating pump (73) and the 4th water circulating pump (74) and another respectively Rose Box (3) is connected.

7. two sections of level Four exhaust treating purifiers according to claim 4, it is characterised in that：The pond (6) has two； And two ponds (6) are respectively positioned at the lower section of preceding casing (18) and rear box (19).

8. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：Pacify on the Rose Box (3) Equipped with liquid level gauge；Water quality detecting device is installed on the Rose Box (3).

9. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：The main box (1) is The first gas-liquid separation device (141) is provided between one spray equipment (21) and the second spray equipment (22)；The main box (1) exists The second gas-liquid separation device (142) is provided between second spray equipment (22) and the 3rd spray equipment (23)；The main box (1) The 3rd gas-liquid separation device (15) is provided with neighbouring gas outlet (13) place.

10. two sections of level Four exhaust treating purifiers according to claim 1, it is characterised in that：3rd purified treatment Unit and the 4th purifying treating unit are formed by air filtration filler.