Waste gas treatment device for stirring textile oil agent

Abstract

A waste gas treatment device for stirring textile oil comprises a box, a gas inlet is formed in the lower end of the box, a gas outlet is formed in the top of the box, a waste liquid outlet is formed in the bottom of the box, the gas inlet is connected with a gas inlet pipeline, and a pre-filtering assembly, a flow guide plate and a spraying assembly are sequentially arranged in the gas inlet pipeline; the pre-filtering assembly comprises a plurality of layers of metal filter screens; spiral grooves are formed in the inclined surfaces of the guide plates; the spraying assembly comprises a nozzle array, and a water collecting tank is arranged on the outer side of the air inlet pipeline; a plurality of layers of parallel electrostatic adsorption plates are arranged in the electrostatic adsorption area, a nano titanium dioxide photocatalytic net is arranged in the photocatalytic purification area, an ultraviolet lamp tube surrounds the periphery of the nano titanium dioxide photocatalytic net, and activated carbon filter cotton is arranged at the exhaust port; according to the utility model, multiple links are cooperated, and the treatment efficiency is higher than that of a traditional single process; the equipment maintenance frequency is greatly reduced; the comprehensive operation cost is reduced by about 40% compared with that of a traditional device, and the problem of treatment of the textile oil stirring waste gas is effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely relates to a kind of waste gas treatment device for textile oil agent stirring. BACKGROUND

[0002] In the textile industry, the stirring and blending of textile oil agent is a common process. During stirring, a large amount of oil-containing waste gas is generated due to the volatilization of oil agent components, the reaction of additives, etc. These waste gases not only contain volatile organic compounds (VOCs), but also contain oil mist particles. If directly discharged, on the one hand, it will cause serious air pollution, endangering the surrounding environment and residents' health; on the other hand, the oil mist deposited on the workshop equipment and walls is easy to cause safety hazards and accelerate the aging and corrosion of equipment.

[0003] The conventional waste gas treatment device has many drawbacks when used for textile oil agent stirring waste gas treatment. The common adsorption method device is easy to be blocked by oil, and frequent replacement of adsorbent increases cost and is cumbersome to operate. The spraying method equipment has poor synergistic treatment effect on oil mist and VOCs, and the oil content of the waste water after spraying is high, which makes the subsequent treatment complex. Although the combustion method can efficiently decompose organic matter, it consumes a lot of energy, and for oil mist-containing waste gas, incomplete combustion and coking problems are easy to occur, affecting the stable operation of the equipment. Therefore, it is urgent to develop a treatment device specially for textile oil agent stirring waste gas, which has good treatment effect, stable operation and controllable cost. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of prior art, providing a kind of waste gas treatment device for textile oil agent stirring, first utilize pre-filtering, spray pretreatment, remove a large amount of oil droplet and part VOCs;Electrostatic adsorption plate accurately captures fine charged pollutants;Photocatalytic deep purification residual organic matter, multi-link synergy, treatment efficiency is more than 95%, far more than traditional single process;Electrostatic adsorption plate oil-repellent coating, nozzle self-cleaning design greatly reduces equipment maintenance frequency;Waste liquid recovery, energy-saving type lamp tube application, compared with traditional device, the comprehensive operation cost is reduced by about 40%, effectively solve the problem of textile oil agent stirring waste gas treatment.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a kind of waste gas treatment device for textile oil agent stirring, including box, the lower end one side of box is equipped with air inlet, top is equipped with exhaust port, bottom is equipped with waste liquid discharge port, air inlet is connected with air inlet pipeline, pre-filtering component, deflector and spray component are sequentially equipped in air inlet pipeline along the direction of airflow;The pre-filtering component includes multiple layers of metal screen, the mesh size of adjacent two metal screens decreases;The deflector is arranged obliquely, and the deflector surface has spiral groove;The spray component includes nozzle array, and the nozzle is connected with external water supply pipeline, and the lower part of the position between the deflector and the spray component on the outside of the air inlet pipeline is provided with water collecting tank, and the liquid level meter is arranged on the water collecting tank.

[0006] The upper part of the box is provided with a photocatalytic purification zone, the middle part is provided with an electrostatic adsorption zone, and the lower part is provided with a liquid collecting zone, a plurality of parallel electrostatic adsorption plates are arranged in the electrostatic adsorption zone, the electrodes of adjacent two electrostatic adsorption plates are opposite, and a nano-titanium dioxide photocatalytic net is arranged in the photocatalytic purification zone, the nano-titanium dioxide photocatalytic net is surrounded by an ultraviolet lamp tube around the four sides, and activated carbon filter cotton is arranged at the exhaust port.

[0007] Further, the air inlet pipeline is a gradually expanding pipeline.

[0008] Further, the spray head of the spray assembly is a anti-clogging spray head.

[0009] Further, the electrostatic adsorption plate is uniformly provided with circular holes, and the surface is coated with an oil-repellent coating, so that a large amount of oil droplets are prevented from adhering to affect the electric field adsorption effect.

[0010] Further, the nano-titanium dioxide photocatalytic net in the photocatalytic purification zone is in a corrugated shape, so as to increase the contact area with the waste gas; and the ultraviolet lamp tube is an adjustable intensity lamp tube, which is suitable for different waste gas concentration and flow conditions.

[0011] Further, the bottom of the box is in a funnel shape, and the waste liquid discharge port is connected with a waste liquid recovery pipeline.

[0012] Further, the inclination angle of the deflector plate is 30°-60°, the depth of the spiral groove is 3-8 mm, and the width is 5-15 mm, and the spiral groove is continuously and uniformly distributed.

[0013] Further, the box is provided with a maintenance opening.

[0014] Working principle: the waste gas enters the box from the air inlet pipeline, first, the airflow passes through the pre-filter assembly, and the multi-layer metal filter screen intercepts the oil droplets with large particle sizes in descending order of pore size, and the waste gas is preliminarily purified; then, the airflow is guided by the deflector plate, and the gas rises spirally, so as to enhance the contact time and area between the gas and the spray head, the absorption liquid neutralizes the acidic VOCs and carries small particle oil mist together to be settled; then, the gas enters the electrostatic adsorption zone, and the charged oil mist and VOCs are captured by the electrostatic adsorption plate under the action of a strong electric field, and the purified gas continues to rise;

[0015] to the photocatalytic purification zone, the ultraviolet light excites the nano-titanium dioxide photocatalytic net, strong oxidizing free radicals are generated, and residual organic pollutants are deeply decomposed; finally, the gas is filtered by the activated carbon filter cotton at the exhaust port, and the trace harmful substances are intercepted to meet the emission standard, during operation, the liquid collecting zone collects waste liquid, which is treated regularly through the connected recovery pipeline; the self-cleaning needle of the spray head is regularly actuated to prevent clogging; the intensity of the ultraviolet lamp tube is adjusted according to the working condition, so as to ensure the stability of the treatment effect.

[0016] The utility model discloses beneficial effect is: compared with prior art, the utility model utilizes prefiltration, spraying pretreatment first, removes a large amount of oil drop and partial VOCs;Static adsorption plate accurate capture fine charged pollutants;Photocatalytic deep purification residual organic matter, multi-link cooperation, the processing efficiency is more than 95%, far more than traditional single process;Static adsorption plate oil-repellent coating, nozzle self-cleaning design greatly reduces equipment maintenance frequency;Waste liquid recovery, energy -saving type lamp tube application, compared with traditional device, the comprehensive operation cost reduces about 40%, effectively solves the problem of textile oil agent stirring waste gas treatment;The utility model is not detailed for the common technology of the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model makes further detailed description in combination with the specific implementation and the drawing:

[0018] Figure 1 It is total assembly structure schematic diagram;

[0019] In the drawing: box 1, air inlet pipeline 2, prefiltration subassembly 3, deflector 4, spraying subassembly 5, water collecting tank 6, static adsorption plate 7, nanometer titanium dioxide photocatalytic net 8, ultraviolet lamp 9, waste liquid discharge port 10, exhaust port 11, activated carbon filter cotton 12. PREFERRED EMBODIMENT

[0020] The utility model makes further detailed description in combination with the specific implementation and the drawing:

[0021] A kind of textile oil agent stirring waste gas treatment device, including box 1, the lower end one side of the box 1 is equipped with air inlet, top is equipped with exhaust port 11, bottom is equipped with waste liquid discharge port 10, air inlet is connected with air inlet pipeline 2, prefiltration subassembly 3, deflector 4 and spraying subassembly 5 are sequentially equipped with in air inlet pipeline 2 along the direction of airflow;The prefiltration subassembly 3 includes multiple layers of metal screen, the mesh aperture of adjacent two metal screens decreases gradually;The deflector 4 is obliquely arranged, and the surface of deflector 4 has spiral groove;The spraying subassembly 5 includes nozzle array, and the nozzle is connected with external water supply line, and the lower side of air inlet pipeline 2 is provided with water collecting tank 6 between deflector 4 and spraying subassembly 5, and liquid level meter is equipped on water collecting tank 6;

[0022] The upper portion of the box 1 is equipped as photocatalytic purification area, the middle part is equipped as static adsorption area, and the lower part is equipped as liquid collection area, a plurality of parallel static adsorption plates 7 are arranged in the static adsorption area, the electrodes of adjacent two static adsorption plates 7 are opposite, the photocatalytic purification area is equipped with nanometer titanium dioxide photocatalytic net 8, the nanometer titanium dioxide photocatalytic net 8 is surrounded by ultraviolet lamp 9 around, and the exhaust port 11 is equipped with activated carbon filter cotton 12.

[0023] The air inlet pipeline 2 is gradually expanding type pipeline, and the pipe diameter of air inlet pipeline 2 gradually increases, so that the airflow velocity is reduced, which is beneficial to prefiltration and spraying treatment and prevents oil droplets from being carried again.

[0024] The spray head of the spray assembly 5 adopts an anti-clogging spray head, and the spray head is provided with self-cleaning needles to periodically extend and retract to clean the micro-holes of the spray head, thereby ensuring uniform and smooth spraying.

[0025] The electrostatic adsorption plate 7 is provided with uniformly distributed circular holes and is coated with an oil-repellent coating, so that a large number of oil droplets are prevented from adhering to the surface of the electrostatic adsorption plate to affect the adsorption effect of the electric field and prolong the cleaning cycle of the electrostatic adsorption plate.

[0026] The nano-titanium dioxide photocatalytic net 8 of the photocatalytic purification zone is in a corrugated shape to increase the contact area with the waste gas; and the ultraviolet lamp tube 9 is an adjustable intensity lamp tube suitable for different waste gas concentration and flow conditions.

[0027] The bottom of the box body 1 is in a funnel shape to facilitate rapid discharge of the waste liquid, and the waste liquid discharge port 10 is connected with a waste liquid recovery pipeline to concentrate the waste liquid for oil-water separation and resource recovery.

[0028] The inclination angle of the deflector plate 4 is 30°-60°, which can ensure smooth climbing of the gas along the inclined surface and prevent the gas flow from being turbulent and the impact from being too large to affect the subsequent treatment; and the depth of the spiral groove is 3-8 mm and the width is 5-15 mm, which are continuously and uniformly distributed to guide the gas flow to accurately present a spiral upward trend.

[0029] The box body 1 is provided with a maintenance opening.

[0030] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A waste gas treatment device for stirring a textile oil agent, comprising a box (1), characterized in that: The box (1) lower end one side is equipped with air inlet, top is equipped with exhaust port (11), bottom is equipped with waste liquid discharge port (10), air inlet is connected with air inlet pipeline (2), the air inlet pipeline (2) is equipped with pre-filtering assembly (3), deflector (4) and spray assembly (5) in turn along the direction of airflow;The pre-filtering assembly (3) includes multiple layers of metal filter screen, the mesh aperture of adjacent two metal filter screens decreases;The deflector (4) is arranged obliquely, and the surface of the deflector (4) has spiral grooves;The spray assembly (5) includes an array of spray heads, the spray heads are connected to an external water supply line, and a water collection tank (6) is arranged below the air inlet pipeline (2) outside corresponding to the deflector (4) and the spray assembly (5), and a liquid level gauge is arranged on the water collection tank (6). The upper part of the box (1) is provided as a photocatalytic purification zone, the middle part is provided as an electrostatic adsorption zone, and the lower part is provided as a liquid collection zone, a plurality of parallel electrostatic adsorption plates (7) are arranged in the electrostatic adsorption zone, the electrodes of adjacent two electrostatic adsorption plates (7) are opposite, a nano titanium dioxide photocatalytic net (8) is arranged in the photocatalytic purification zone, the nano titanium dioxide photocatalytic net (8) is surrounded by an ultraviolet lamp tube (9) around, and an activated carbon filter cotton (12) is arranged at the exhaust port (11).

2. The exhaust treatment device for stirring textile oil according to claim 1, characterized in that: The air inlet pipeline (2) is a gradually expanding pipeline.

3. The exhaust treatment device for textile oiling according to claim 1, wherein: The spray head of the spray assembly (5) is a anti-clogging spray head.

4. The exhaust treatment device for textile oiling according to claim 1, wherein: The electrostatic adsorption plate (7) is uniformly distributed with circular holes, and the surface is coated with an oil-repellent coating to prevent oil droplets from adhering and affecting the electric field adsorption effect.

5. The exhaust treatment device for textile oiling according to claim 1, wherein: The nano titanium dioxide photocatalytic net (8) of the photocatalytic purification zone is in a corrugated shape to increase the contact area with waste gas;The ultraviolet lamp tube (9) is an adjustable intensity lamp tube suitable for different waste gas concentration and flow conditions.

6. The exhaust treatment device for textile oiling according to claim 1, wherein: The bottom of the box (1) is in a funnel shape, and the waste liquid discharge port (10) is connected with a waste liquid recovery pipeline.

7. The exhaust treatment device for textile oiling according to claim 1, wherein: The inclination angle of the deflector (4) is 30°-60°, the depth of the spiral groove is 3-8mm, the width is 5-15mm, and the spiral groove is continuously and uniformly distributed.

8. The exhaust treatment device for textile oiling according to claim 1, wherein: A maintenance opening is arranged on the box (1).

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