CN216259944U

CN216259944U - Fountain exhaust-gas treatment equipment

Info

Publication number: CN216259944U
Application number: CN202122722864.2U
Authority: CN
Inventors: 俞国钦; 王凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-12
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a spraying type waste gas treatment device, and belongs to the technical field of waste gas treatment. A spray type waste gas treatment device comprises a frame, a gas treatment module, a spray liquid transportation module and a guide pump; the gas treatment module, the spray liquid transportation module and the guide pump are sequentially arranged on the rack from left to right; the gas treatment module comprises a spray tower, at least four breathable plates and at least one spray header; the four air permeable plates are arranged in the spray tower in an up-and-down position arrangement mode, wherein three air permeable plates at the upper side are all horizontally arranged, and the air permeable plate at the lowest side is obliquely arranged at an angle with the central axis of the spray tower; by utilizing the characteristic of 'similarity and intermiscibility' of organic matters, the waste engine oil which has higher solubility, smaller viscosity, higher boiling point and difficult volatilization to the organic matters in the gas is used as the spray liquid in the spray tower to adsorb VOCs in the waste gas, the waste engine oil is utilized with lower cost, and the waste engine oil is sprayed out in a spray mode.

Description

Fountain exhaust-gas treatment equipment

Technical Field

The utility model relates to the field of waste gas treatment, in particular to a spraying type waste gas treatment device.

Background

Volatile Organic Compounds (VOCs) are important precursors for forming secondary pollutants such as fine particulate matters (PM 2.5) and ozone (O3) and further cause atmospheric environmental problems such as dust haze and photochemical smog.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spraying type waste gas treatment device, which can realize that waste engine oil which has higher solubility, lower viscosity, higher boiling point and difficult volatilization to organic matters in gas is used as spraying liquid in a spraying tower by utilizing the characteristic of 'similar intermiscibility' of the organic matters so as to adsorb VOCs in waste gas, the waste engine oil is lower in utilization cost, the waste engine oil is sprayed out in a spraying mode so that the VOCs are more in contact with the waste engine oil and are convenient to absorb, adsorbed substances can be converted into an adsorption medium to continuously adsorb the organic matters in the waste gas, the using time of the spraying liquid is longer, the spraying waste liquid can be reused after oil-water separation, the utilization efficiency is high, and the replacement frequency is low.

In order to solve the above problems, the present invention adopts the following technical solutions.

A spray type waste gas treatment device comprises a frame, a gas treatment module, a spray liquid transportation module and a guide pump; the gas treatment module, the spray liquid transportation module and the guide pump are sequentially arranged on the rack from left to right; the gas treatment module comprises a spray tower, at least four breathable plates and at least one spray header; the four air-permeable plates are arranged in the spray tower in an up-and-down position arrangement mode, wherein three air-permeable plates at the upper side are all horizontally arranged, the air-permeable plate at the lowest side is obliquely arranged at an angle of 10-45 degrees with the central axis of the spray tower, and the spray header is arranged at the lower side of one of the horizontally arranged air-permeable plates; the spray liquid transportation module comprises a spray box and a waste liquid circulation mechanism; the spraying box is arranged at the lower side of the air-permeable plate at the lowest side and is communicated with the spraying head, and the waste liquid circulating mechanism is communicated with the spraying box and is arranged at the rear side of the spraying tower; the guide pump is connected with the spray column, through utilizing the characteristic that organic matter "similar intermiscibility" mutually, with having great solubility to the organic matter in the gas, viscosity is less, the boiling point is higher and the useless machine oil that is difficult for volatilizing is as the spray liquid in the spray column, VOCs in the waste gas with the absorption, it is lower to utilize useless machine oil, spout useless machine oil with the mode that sprays, make VOCs contact with useless machine oil more composition, be convenient for absorb, can turn into the adsorption medium with adsorbed matter simultaneously and continue the organic matter in the absorption waste gas, the spray liquid live time is longer, spray the waste liquid and can carry out reuse after water oil separating, high utilization efficiency, change the frequency is low.

Furthermore, the gas treatment module also comprises a pair of transparent plates, a tail gas treatment box and a gas guide pipeline; the pair of transparent plates are arranged at the front side of the spray tower in an up-down position, and the spray tower is communicated with the tail gas treatment box through the air guide pipeline; the tail gas treatment tank is internally provided with deoiling resin, the tail gas treatment is carried out after the spraying tower filters primary exhaust gas, and the tail gas is adsorbed by the deoiling resin to oil gas and other gases, so that a better treatment effect is achieved.

Further, the ventilation plate comprises a top plate, a plurality of filling balls and a bottom plate; the top plate and the bottom plate are arranged in the spray tower in an up-down position relation, the plurality of packing balls are fixedly arranged between the top plate and the bottom plate, and water, gas and oil gas are removed through the packing balls.

Further, the spray liquid transportation module also comprises a box body, a partition board, a storage tank and a placing groove; the box is connected in spray column front side lower part, and the partition panel divide into holding tank and standing groove with the box inner space, and the spray box is installed in the standing groove, and holding tank and spray column inner space are connected.

Further, the waste liquid circulating mechanism comprises an oil-water separator, an oil suction pump, a discharge pump, a connecting pipe and a plastic pipe; the oil-water separator is installed on the frame, the plastic pipe is communicated with the spray box and the oil-water separator, the oil suction pump is installed at the joint of the oil-water separator and the plastic pipe, the discharge pump is communicated with the rear side of the storage tank, the oil-water separator and the discharge pump are communicated through the connecting pipe, and oil in the waste liquid is separated out through recycling the waste liquid, so that the cost is reduced.

Furthermore, an inclined plane of 10-45 degrees is formed between the top wall of the partition plate, which is far away from one surface of the spray box, and the tower wall in the spray tower, so that waste liquid can flow easily.

Further, the spray liquid is waste oil or waste engine oil.

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is through utilizing the characteristic that organic matter "similar intermiscibility" is with having great solubility to the organic matter in the gas, viscosity is less, the boiling point is higher and the useless machine oil that is difficult for volatilizing is as the spray liquid in the spray column, VOCs in the absorption waste gas, it is lower with the cost of utilizing useless machine oil, spout useless machine oil with the mode that sprays, make VOCs components more contact with useless machine oil, be convenient for absorb, can turn into the adsorption medium organic matter in the continuous absorption waste gas of adsorption medium with adsorbed matter simultaneously, the spray liquid live time is longer, it can carry out reuse after oil-water separation to spray the waste liquid, high utilization efficiency, change frequently hangs down.

(2) This scheme utilization slope sets up two permeability plates for the waste liquid flows to the bottom easily and is collected, makes things convenient for oil water separator work, utilizes a plurality of packing balls in the permeability plate to remove moisture and remove oil gas, makes the filter effect better.

(3) This scheme utilization filters exhaust gas after once at the spray column and carries out tail gas treatment again, utilizes tail gas deoiling resin will adsorb oil gas and adsorb other gas, reaches better treatment.

(4) This scheme is through utilizing the transparent plate to observe the inside condition of spray column, is convenient for in time discover to handle emergency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the gas treatment module of FIG. 1 according to the present invention;

FIG. 3 is a schematic view showing the internal structure of the waste liquid circulating mechanism of FIG. 1 according to the present invention.

The reference numbers in the figures illustrate:

the device comprises a frame 1, a gas treatment module 2, a spray tower 21, a gas permeable plate 22, a top plate 221, a filling ball 222, a bottom plate 223, a spray head 23, a transparent plate 24, a tail gas treatment box 4, a spray liquid transportation module 3, a box body 31, a partition plate 33, a storage groove 34, a placement groove 35, a spray box 32, a guide pump 5, an air guide pipeline 6, a waste liquid circulating mechanism 7, an oil-water separator 71, an oil suction pump 72, a discharge pump 73, a connecting pipe 74 and a plastic pipe 75.

Detailed Description

The first embodiment is as follows: referring to fig. 1-3, a spray-type waste gas treatment apparatus includes a frame 1, a gas treatment module 2, a spray liquid transportation module 3, and a guide pump 5; the gas treatment module 2, the spray liquid transportation module 3 and the guide pump 5 are sequentially arranged on the rack 1 from left to right; the gas treatment module 2 comprises a spray tower 21, at least four gas permeable plates 22 and at least one spray header 23; the four air-permeable plates 22 are arranged in the spray tower 21 in an up-and-down position arrangement mode, wherein three air-permeable plates 22 on the upper side are all horizontally arranged, the air-permeable plate 22 on the lowest side is obliquely arranged at an angle with the central axis of the spray tower 21, and the spray header 23 is arranged on the lower side of one air-permeable plate 22 horizontally arranged; the spray liquid transportation module 3 comprises a spray box 32 and a waste liquid circulating mechanism 7; the spray box 32 is arranged at the lower side of the air permeable plate 22 at the lowest side and is communicated with the spray head 23, and the waste liquid circulating mechanism 7 is communicated with the spray box 32 and is arranged at the rear side of the spray tower 21; guide pump 5 and spray column 21 and connect, through utilizing the characteristic that the organic matter "similar mutually dissolves", with having great solubility to the organic matter in the gas, viscosity is less, the higher and difficult volatile useless machine oil of boiling point is as the spray solution in the spray column, VOCs in the absorption waste gas, it is lower to utilize useless machine oil, spout useless machine oil with the mode that sprays, make the contact with useless machine oil of VOCs composition more, be convenient for absorb, can turn into the adsorption medium with adsorbed matter simultaneously and continue the organic matter in the absorption waste gas, the spray solution live time is longer, spray the waste liquid and can carry out reuse after oil-water separation, high utilization efficiency, change the frequency is low.

As shown in fig. 2-3, the gas treatment module 2 further comprises a pair of transparent plates 24, an off-gas treatment tank 4 and a gas guide duct 6; the pair of transparent plates 24 are arranged at the upper and lower positions and are arranged at the front side of the spray tower 21, and the air guide pipeline 6 is used for communicating the spray tower 21 with the tail gas treatment box 4; the tail gas treatment box 4 is internally provided with deoiling resin, the tail gas treatment is carried out after the spraying tower 21 filters primary exhaust gas, and the tail gas is adsorbed by the deoiling resin and other gases, so that a better treatment effect is achieved. The air-permeable plate 22 includes a top plate 221, a plurality of packing balls 222, and a bottom plate 223; the top plate 221 and the bottom plate 223 are installed in the spray tower 21 in a vertical position, a plurality of packing balls 222 are fixedly installed between the top plate 221 and the bottom plate 223, and water, gas and oil are removed through the packing balls 222.

As shown in fig. 2-3, the spray liquid transport module 3 further includes a box body 31, a partition plate 33, a storage tank 34, and a placement tank 35; the box body 31 is connected to the lower part of the front side of the spray tower 21, the partition plate 33 divides the inner space of the box body 31 into a storage groove 34 and a placing groove 35, the spray box 32 is installed in the placing groove 35, and the storage groove 34 is connected with the inner space of the spray tower 21. The waste liquid circulating mechanism 7 comprises an oil-water separator 71, an oil suction pump 72, a discharge pump 73, a connecting pipe 74 and a plastic pipe 75; the oil-water separator 71 is arranged on the frame 1, the spray tank 32 is communicated with the oil-water separator 71 through the plastic pipe 75, the oil suction pump 72 is arranged at the joint of the oil-water separator 71 and the plastic pipe 75, the discharge pump 73 is communicated at the rear side of the storage tank 34, the oil-water separator 71 is communicated with the discharge pump 73 through the connecting pipe 74, and oil in the waste liquid is separated through recycling the waste liquid, so that the cost is reduced. An inclined plane of 10-45 degrees is formed between the top wall of one surface of the partition plate 33, which is far away from the spray box 32, and the tower wall in the spray tower 21, so that waste liquid can flow easily. The spray liquid is waste oil or waste engine oil.

When filtering VOCs, as shown in fig. 1-3, start guide pump 5, with gaseous leading-in spray column 21, then start spray box 32, go out the blowout with used oil from shower head 23, (shower head 23 is three and lies in three ventilative board 22 downside in proper order in this scheme) the used oil that sprays out carries out adsorption filtration with gas, gas can be absorbed oil and gas and water gas when passing through ventilative board 22, utilize the slope of the ventilative board 22 of downside to set up and make the waste liquid be convenient for flow to holding tank 34 in, gas after filtering gets into tail gas treatment tank 4 in spray column 21, it carries out adsorption filtration once more by the deoiling resin in tail gas treatment tank 4, go out remaining harmful gas and oil gas, then discharge cleaner gas.

As shown in fig. 3, the waste liquid is stored in the storage tank 34, the waste liquid is sent to the oil-water separator 71 by starting the discharge pump 73, then the oil-water separator 71 separates the waste liquid and discharges the separated oil into the spray tank 32 for recycling through the oil suction pump 72; after the filtering is carried out by the method, the adsorption efficiency can reach 75 percent.

The second embodiment is as follows: different from the first specific embodiment, the number of the gas treatment modules 2 and the number of the spray liquid transportation modules 3 are three, the gas treatment modules and the spray liquid transportation modules are both connected to the waste liquid circulation mechanism 7, the three spray towers 21 are communicated with each other, and the comprehensive treatment effect of the three towers is 87.5% -98%.

The third concrete embodiment: different from the second specific embodiment, when the waste gas containing acid mist and the sulfuric acid mist are treated, the waste gas containing acid mist is introduced from the first spray tower 21, is sprayed and adsorbed by oil, passes through the two spray towers 21, enters the third spray tower 21 together with the adsorbed gas, is changed into alkaline spray liquid for final treatment, and then enters the tail gas treatment box 4 for tail gas treatment and emission.

Claims

1. A fountain exhaust-gas treatment equipment which characterized in that: comprises a frame (1), a gas processing module (2), a spray liquid transportation module (3) and a guide pump (5);

the gas treatment module (2), the spray liquid transportation module (3) and the guide pump (5) are sequentially arranged on the rack (1) from left to right;

the gas treatment module (2) comprises a spray tower (21), at least four gas permeable plates (22) and at least one spray header (23);

the four air permeable plates (22) are arranged in the spray tower (21) in an up-and-down position arrangement mode, wherein three air permeable plates (22) on the upper side are all horizontally arranged, the air permeable plate (22) on the lowest side is obliquely arranged at an angle with the central axis of the spray tower (21), and the spray head (23) is arranged on the lower side of one air permeable plate (22) which is horizontally arranged;

the spray liquid transportation module (3) comprises a spray box (32) and a waste liquid circulation mechanism (7);

the spraying box (32) is arranged at the lower side of the air permeable plate (22) at the lowest side and is communicated with the spraying head (23), and the waste liquid circulating mechanism (7) is communicated with the spraying box (32) and is arranged at the rear side of the spraying tower (21);

the guide pump (5) is connected with the spray tower (21).

2. The spray type exhaust gas treatment device according to claim 1, wherein: the gas treatment module (2) further comprises a pair of transparent plates (24), a tail gas treatment box (4) and a gas guide pipeline (6); the pair of transparent plates (24) are arranged at the upper and lower positions and are arranged at the front side of the spray tower (21), and the spray tower (21) is communicated with the tail gas treatment box (4) through the air guide pipeline (6);

and oil removing resin is stored in the tail gas treatment box (4).

3. The spray type exhaust gas treatment device according to claim 1, wherein: the gas permeable plate (22) comprises a top plate (221), a plurality of filling balls (222) and a bottom plate (223); the top plate (221) and the bottom plate (223) are arranged in the spray tower (21) in an up-down position relationship, and the plurality of filling balls (222) are fixedly arranged between the top plate (221) and the bottom plate (223).

4. The spray type exhaust gas treatment device according to claim 1, wherein: the spray liquid transportation module (3) further comprises a box body (31), a partition plate (33), a storage groove (34) and a placing groove (35);

the box body (31) is connected to the lower portion of the front side of the spray tower (21), the partition plate (33) divides the inner space of the box body (31) into a storage groove (34) and a placing groove (35), the spray box (32) is installed in the placing groove (35), and the storage groove (34) is connected with the inner space of the spray tower (21).

5. The spray type exhaust gas treatment device according to claim 4, wherein: the waste liquid circulating mechanism (7) comprises an oil-water separator (71), an oil suction pump (72), a discharge pump (73), a connecting pipe (74) and a plastic pipe (75);

the oil-water separator (71) is arranged on the rack (1), the spray tank (32) is communicated with the oil-water separator (71) through a plastic pipe (75), the oil suction pump (72) is arranged at the joint of the oil-water separator (71) and the plastic pipe (75), the discharge pump (73) is communicated with the rear side of the storage tank (34), and the oil-water separator (71) is communicated with the discharge pump (73) through a connecting pipe (74).

6. The spray type exhaust gas treatment device according to claim 4, wherein: and an inclined plane of 10-45 degrees is formed between the top wall of one surface of the partition plate (33), which is far away from the spray box (32), and the inner tower wall of the spray tower (21).