CN211676876U

CN211676876U - Combined pipeline waste gas treatment system

Info

Publication number: CN211676876U
Application number: CN201922413616.2U
Authority: CN
Inventors: 周腾腾; 戚永洁; 戴建军; 杨峰
Original assignee: Jiangsu Nanda Huaxing Environmental Protection Technology Co ltd
Current assignee: Jiangsu Nanda Huaxing Environmental Protection Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-16
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a modular pipeline exhaust-gas treatment system belongs to exhaust-gas treatment technical field. The utility model comprises a waste gas pipeline, a supporting frame, a spraying box, a gas outlet pipeline and a recovery tank, wherein the spraying box is arranged on a height adjusting mechanism of the supporting frame; a spray head is arranged in the spray box and is connected with the recovery tank through a return pipe, and two sides of the spray box are respectively detachably connected with the waste gas pipeline and the gas outlet pipeline; the spraying box is an independent single body, and a plurality of spraying boxes can be combined and configured at different positions of the waste gas pipeline according to requirements. The utility model reduces the occupied space and investment cost of the waste gas treatment tower, and is very convenient and flexible to use and install; the pipeline type waste gas treatment system is convenient to install and disassemble, simple to operate, small in investment, small in occupied area and low in operation cost.

Description

Combined pipeline waste gas treatment system

Technical Field

The utility model relates to an exhaust-gas treatment technical field, more specifically say and relate to a modular pipeline exhaust-gas treatment system.

Background

The waste gas treatment method includes adsorption, combustion, oxidation, absorption, biodegradation and the like, and a general waste gas treatment system consists of a collecting pipeline, treatment equipment and an exhaust funnel, wherein the treatment equipment is arranged at the tail end of the pipeline.

Patent documents with application numbers of CN201510337930.0 and application dates of 2015, 6 months and 17 days disclose a high-efficiency waste gas spraying device. The device includes: the spray tower comprises a tower body and an exhaust pipe, an air deflector and a demisting plate are sequentially arranged in the tower body from bottom to top, the air inlet device comprises an air inlet pump, an air inlet pipeline and an air inlet, one end of the air inlet pipeline is communicated with the air inlet pump, the other end of the air inlet pipeline is communicated with the air inlet arranged in the tower body, and the exhaust direction of the air inlet is downward; the spraying device comprises a water tank, a hydraulic pump, a water pipe and a spraying head, wherein a water inlet of the hydraulic pump is communicated with the water tank, a water outlet of the hydraulic pump is communicated with the spraying head, and the primary dust removal filter comprises a filter plate group, a dust collection funnel and a gas collection pipeline. According to the efficient waste gas spraying device, primary filtration is carried out before waste gas enters the spraying tower, large-particle dust is discharged, and the filtered smoke only contains a small amount of small-particle dust, so that the situation that the dust blocks the air deflector and the defogging plate is avoided, and the efficiency and the quality of waste gas treatment are guaranteed.

But because the equipment is bulky, need occupy very big area and space, the installation is inconvenient with the dismantlement, and waste gas transit time is relatively short in the treatment facility simultaneously, and the treatment effeciency is lower, and the aiutage only is as arranging the mouth, does not obtain effective utilization, causes certain waste.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

Aiming at the problem of inconvenient installation of a pipeline waste gas device in the prior art, the utility model provides a combined pipeline waste gas treatment system, two sides of a spray box are respectively detachably connected with a waste gas pipeline and a gas outlet pipeline, the spray box is an independent monomer, a plurality of spray boxes can be combined and configured at different positions of the waste gas pipeline according to requirements, the occupied space and the investment cost of a waste gas treatment tower are reduced, and the use and the installation are very convenient and flexible; furthermore, the corrugated pipes and the height adjusting mechanisms are respectively arranged at the two ends and the bottom of the spraying box, so that the length of the corrugated pipes and the height of the spraying box can be adjusted according to actual requirements, and the assembly and disassembly flexibility is further improved.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model provides a combined pipeline waste gas treatment system, which comprises a waste gas pipeline, a support frame, a spraying box, a gas outlet pipeline and a recovery tank, wherein the support frame is provided with a height adjusting mechanism, and the spraying box is arranged on the height adjusting mechanism of the support frame; a spray head is arranged in the spray box, the bottom of the spray box is connected with a recovery tank through a return pipe, and the recovery tank is communicated with the spray head through a spray pipe; the spraying box is provided with air inlet and gas outlet respectively in both sides, and the waste gas pipeline passes through the flange that admits air and is connected with the gas outlet detachably of spraying the case, and the gas outlet that sprays the case passes through the flange that gives vent to anger and is connected with gas outlet pipe detachably.

Preferably, the shower pipe is provided with a circulating water pump.

Preferably, the bottom of the spraying box is provided with an inclined plane, and the inlet of the return pipe is arranged at the lowest part of the inclined plane.

Preferably, the spray header is a spiral nozzle spray header.

Preferably, at least 3 stages of spray headers are sequentially arranged between the air inlet and the air outlet of the spray box.

Preferably, a corrugated pipe is arranged between the air inlet flange and the air inlet of the spraying box, and/or a corrugated pipe is arranged between the air outlet flange and the air outlet of the spraying box.

Preferably, the spraying box further comprises an exhaust funnel, the exhaust funnel is arranged on the air outlet side of the spraying box, the extending direction of the exhaust funnel is perpendicular to the extending direction of the spraying box, and the exhaust funnel is communicated with an air outlet of the spraying box through an air outlet pipeline.

Preferably, the chimney is provided with a shower head.

Preferably, the exhaust funnel is provided with a demister.

Preferably, the diameter of the spray box is larger than the diameter of the exhaust gas duct.

3. Advantageous effects

(1) The utility model discloses a combined pipeline waste gas treatment system, including waste gas pipeline, support frame, spraying box, gas outlet pipeline and recovery tank, the waste gas of waste gas pipeline enters the spraying box arranged on the support frame and sprays, then discharges from the gas outlet pipeline, and the sprayed spray liquid is discharged into the recovery tank for recycling; the spraying box is an independent monomer, and can be arranged at different positions of the waste gas pipeline according to requirements; because the spray box is arranged on the support frame with adjustable height, the support frame can be adjusted to a lower position when the spray box is installed, and the spray box is lifted to the same height position of the waste gas pipeline by using the height adjusting mechanism, so that the spray box is convenient to install and disassemble, and the occupied space and the investment cost of a waste gas treatment tower in the prior art are reduced.

(2) The utility model discloses a modular pipeline exhaust-gas treatment system, the spray liquid after the use can be followed the bottom that sprays the case and passed through the back flow and discharged into the recovery tank, is provided with circulating water pump on the shower, and circulating water pump can be with the leading-in shower of the spray liquid in the recovery tank, and then spout in order to recycle resources are saved from the shower head.

(3) The utility model discloses a combined pipeline waste gas treatment system, the diameter of spray box is greater than the diameter of waste gas pipeline for after waste gas gets into the spray box by the waste gas pipeline, the gas velocity of flow reduces, can increase the contact time of waste gas and spray liquid, and then improve the spraying effect of waste gas; furthermore, the spraying tank is large in diameter, so that spraying liquid can be prevented from flowing back to the waste gas pipeline.

(4) The utility model discloses a combined pipeline waste gas treatment system, the spray box sets gradually at least 3 grades of shower heads from the air inlet to the gas outlet, and the shower head is the spiral nozzle shower nozzle, has improved the atomization effect, makes the spray reach the maximum flow in the shower; thereby improving the spraying and absorbing effect of pollutants.

(5) The utility model discloses a combined pipeline waste gas treatment system, the bottom of the spray box is also provided with an inclined plane, and the inlet of the return pipe is arranged at the lowest part of the inclined plane; in the spraying process, the spraying liquid flows to the bottom of the spraying box close to the air outlet under the action of the inclined plane and then flows back to the recovery tank through the return pipe. Moreover, the inclined plane level that is close to the air inlet side is less than the level of exhaust duct bottom to avoid spraying during liquid flows into exhaust duct, and then improved the security of equipment.

(6) The utility model discloses a combined pipeline waste gas treatment system, a corrugated pipe is arranged between a gas inlet flange and a spraying box; the corrugated pipe can organically combine the high rigidity and high strength of steel and the excellent characteristics of corrosion resistance, abrasion resistance, flexibility and the like of plastics, and improves the assembly and disassembly efficiency of a combined piece.

(7) The utility model discloses a modular pipeline exhaust-gas treatment system still is provided with the aiutage, and the aiutage sets up in the play gas side that sprays the case. Set up spraying system inside the aiutage, as terminal pass process, when having guaranteed waste gas and the contact of spraying liquid, solved the shortcoming that treatment facility reaction time is short, promoted the exhaust-gas treatment effect, make full use of exhaust duct and aiutage space rationally. The exhaust funnel is also provided with a demister, so that fog particles and slurry drops carried in tail gas can be collected in the spraying process, and the removal effect of pollutants in waste gas is improved.

Drawings

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

fig. 2 is the structure schematic diagram of the multi-stage spraying of the present invention.

Wherein: 100. an exhaust gas conduit; 200. a support frame; 210. a height adjustment mechanism; 300. a spray box; 301. a spraying box I; 302. a spraying box II; 310. an air outlet pipe; 320. a shower head; 330. an air inlet flange; 340. an air outlet flange; 350. a bellows; 360. a bevel; 400. a recovery tank; 410. a water circulating pump; 420. a return pipe; 430. a shower pipe; 500. an exhaust funnel; 510. a spray head; 520. a demister; 530. and a circulating pump.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

The utility model discloses a modular pipeline exhaust-gas treatment system, as shown in fig. 1, including exhaust-gas duct 100, support frame 200, spray case 300, pipeline 310 and the recovery jar 400 of giving vent to anger, the design diameter that sprays case 300 is greater than exhaust-gas duct 100's diameter, can prevent to spray the liquid refluence under the circumstances of the effect of guaranteeing to spray. The supporting frame 200 is provided with a height adjusting mechanism 210, and the spray box 300 is disposed on the height adjusting mechanism 210 of the supporting frame 200. The height adjusting mechanism 210 can freely adjust the height of the spray box 300, so that the spray box 300 can be correspondingly adjusted to a proper installation height. Both sides of the spray box 300 are respectively provided with an air inlet and an air outlet, the waste gas pipeline 100 is detachably connected with the air outlet of the spray box 300 through an air inlet flange 330, and the air outlet of the spray box 300 is detachably connected with an air outlet pipeline 310 through an air outlet flange 340. It should be noted that the air inlet and the air outlet may be disposed at two adjacent sides of the spray box 300, or may be disposed at two opposite sides of the spray box 300. The air inlet flange 330 and the air outlet flange 340 are pre-installed on the spray box 300 to form a complete assembly, and a plurality of assemblies can be combined and configured at different positions of the pipeline according to requirements. A corrugated pipe 350 is disposed between the air inlet flange 330 and the air inlet of the spray box 300, and moreover, the corrugated pipe 350 may be disposed between the air outlet flange 340 and the air outlet of the spray box 300. The provision of the corrugated tube 350 improves the assembly and disassembly efficiency since the corrugated tube 350 can organically combine the high rigidity and strength of steel with the excellent characteristics of corrosion resistance, wear resistance, and flexibility of plastic.

A spray header 320 is arranged in the spray box 300, and the spray header 320 is a spiral nozzle spray head. The spiral nozzle spray head minimizes liquid blockage to maximize the flow of spray liquid through the spray tube 430. It should be noted that the spray liquid sprayed from the spray head 320 can be adjusted to water, acid solution, alkali solution, oxidant, etc. according to the characteristics of the waste gas. At least 3 stages of spray headers 320 are sequentially arranged between the air inlet and the air outlet of the spray box 300, so that pollutants in the waste gas can be absorbed to the maximum extent.

Furthermore, the bottom of the spray box 300 is provided with an inclined plane 360, and the inlet of the return pipe 420 is arranged at the lowest position of the inclined plane 360. Inclined plane 360 extends downwards gradually along the direction of air inlet to gas outlet, and the height that inclined plane 360 is close to the air inlet side is greater than the height that inclined plane 360 is close to the gas outlet side for spray box 300 is at the in-process that sprays, and spray liquid can flow to spray box 300 and be close to the bottom of gas outlet side under the effect of inclined plane 360, and back flow 420 sets up in the bottom that spray box 300 is close to the gas outlet side, and spray liquid can directly flow back to recovery tank 400 through back flow 420. It is worth noting that the level of the inclined plane 360 near the air inlet side is lower than the level of the bottom of the exhaust gas duct 100, thereby preventing the spray liquid from flowing into the exhaust gas duct 100, and further improving the safety of the device.

The utility model discloses still be provided with aiutage 500, aiutage 500 sets up in the side of giving vent to anger that sprays case 300, and aiutage 500's extending direction is perpendicular with the extending direction that sprays case 300, and this aiutage 500 is linked together through the gas outlet of pipeline 310 and the case 300 of giving vent to anger, can be so that aiutage 500's exhaust efficiency is the highest. The exhaust funnel 500 is provided with a spray head 510, the spray head 510 is used in combination with the spray head 320 of the spray box 300, and the used spray liquid can be the same as or different from the spray liquid used in the spray box 300, so as to achieve better removal effect. The exhaust stack 500 may further be provided with a circulation pump 530, and the circulation pump 530 may transport the spray liquid generated by the exhaust stack 500 to the spray head 510 through a pipeline, thereby recycling the spray liquid. The exhaust funnel 500 is provided with a demister 520, and the demister 520 can collect mist particles and slurry drops entrained in the tail gas in the spraying process.

In this embodiment, one shower box 300 is disposed on the exhaust gas main pipe according to the nature and concentration of the exhaust gas. Firstly, spraying liquid is injected into the bottoms of the recovery tank 400 and the exhaust pipe 500 of the spraying box 300, and water, acid liquid, alkali liquid, oxidant and the like are selected according to the properties of waste gas. The circulating water pump 410 is started, the spray liquid is conveyed to the spray header 320 through pressure, water mist is sprayed out through the spray header 320, waste gas is fully contacted and reacted with the water mist in the process of conveying along the way, and the waste gas removing efficiency is greatly improved due to the fact that the waste gas stays in the pipeline for a long time. The spraying liquid in the exhaust funnel 500 is subjected to a tail-end closing process, and water mist is removed through a demister 520 above the exhaust funnel 500, so that the waste gas is discharged after reaching the standard. When the spray liquid is used to a saturated state, the circulating water pump 410 is turned off, and the spray liquid is discharged to the recovery tank 400 and transferred to a sewage treatment facility for treatment. After the transfer, new spraying liquid can be supplemented, thereby ensuring the continuous operation of the waste gas system and maintaining the high-efficiency treatment effect.

Example 2

As shown in fig. 2, the basic content of the present embodiment is the same as that of embodiment 1, except that 2 shower boxes 300 are disposed on the exhaust gas main pipe, and the shower boxes 300 are connected in series through pipes. The industrial waste gas from the waste gas main pipe firstly enters the spraying box I301, is sprayed by the spraying box I301, and then enters the spraying box II 302 for secondary spraying. The spraying liquid used in the spraying box I301 and the spraying box II 302 can be the same or different. Through setting up multistage spraying, can show the pollutant removal effect that improves industrial waste gas. Moreover, the spray box 300 can be combined in any number and installed at any position of the waste gas treatment system, so that the spray box is convenient to disassemble and assemble and high in flexibility.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. A modular pipeline exhaust treatment system which characterized in that: the waste gas recovery device comprises a waste gas pipeline (100), a support frame (200), a spraying box (300), a gas outlet pipeline (310) and a recovery tank (400), wherein the support frame (200) is provided with a height adjusting mechanism (210), and the spraying box (300) is arranged on the height adjusting mechanism (210) of the support frame (200);

a spray header (320) is arranged in the spray box (300), the bottom of the spray box (300) is connected with a recovery tank (400) through a return pipe (420), and the recovery tank (400) is communicated with the spray header (320) through a spray pipe (430); both sides of the spraying box (300) are respectively provided with an air inlet and an air outlet, the waste gas pipeline (100) is detachably connected with the air outlet of the spraying box (300) through an air inlet flange (330), and the air outlet of the spraying box (300) is detachably connected with an air outlet pipeline (310) through an air outlet flange (340).

2. The modular ducted exhaust treatment system according to claim 1, wherein: and a circulating water pump (410) is arranged on the spray pipe (430).

3. The modular ducted exhaust treatment system according to claim 1, wherein: the bottom of the spraying box (300) is provided with an inclined plane (360), and the inlet of the return pipe (420) is arranged at the lowest part of the inclined plane (360).

4. The modular ducted exhaust treatment system according to claim 1, wherein: the spray header (320) is a spiral nozzle spray head.

5. The modular ducted exhaust treatment system according to claim 1, wherein: at least 3 stages of spray headers (320) are sequentially arranged between the air inlet and the air outlet of the spray box (300).

6. The modular ducted exhaust treatment system according to claim 1, wherein: a corrugated pipe (350) is arranged between the air inlet flange (330) and the air inlet of the spraying box (300), and/or

A corrugated pipe (350) is arranged between the air outlet flange (340) and the air outlet of the spraying box (300).

7. The modular ducted exhaust treatment system according to any of claims 1 to 6, wherein: the spraying device is characterized by further comprising an exhaust funnel (500), wherein the exhaust funnel (500) is arranged on the air outlet side of the spraying box (300), the extending direction of the exhaust funnel (500) is perpendicular to the extending direction of the spraying box (300), and the exhaust funnel (500) is communicated with an air outlet of the spraying box (300) through an air outlet pipeline (310).

8. The modular ducted exhaust treatment system according to claim 7, wherein: the exhaust funnel (500) is provided with a spray head (510).

9. The modular ducted exhaust treatment system according to claim 7, wherein: the exhaust funnel (500) is provided with a demister (520).

10. A combined pipeline exhaust treatment system according to any of claims 1 to 6 or 8 or 9, wherein: the diameter of the spraying box (300) is larger than that of the waste gas pipeline (100).