CN211274177U - PP exhaust-gas treatment spray tower - Google Patents

Abstract

The utility model discloses a PP exhaust-gas treatment spray column, the water pump has been installed in the outside of cistern, communicating air inlet chamber has been seted up on the upper portion in water storage chamber, the first chamber that sprays has been seted up on the upper portion in air inlet chamber, the first upper portion that sprays the chamber has been seted up the second and has been sprayed the chamber, and the first inner chamber top that sprays the chamber and spray the chamber with the second all has been erect through the support and has been equipped with the shower head, the first inner chamber lower part that sprays the chamber and spray the chamber with the second has all placed the layer that slowly falls, the feed liquor end of water pump leads to pipe and the cistern communicates with each other to be connected, the play liquid end of water. The utility model adopts the environment-friendly ball slow-falling layer and the double-layer spray type treatment tower to perform acid-base neutralization purification on the waste gas, so as to improve the reaction time and efficiency, ensure more thorough treatment of the waste gas and higher working efficiency, and is suitable for the treatment of the waste gas discharged continuously and intermittently; simple process, and convenient and simple management, operation and maintenance.

Description

A PP waste gas treatment spray tower

technical field

The utility model relates to the technical field of waste gas treatment equipment, in particular to a PP waste gas treatment spray tower.

Background technique

Exhaust gas purification mainly refers to the treatment of industrial waste gas such as dust particles, smoke and dust, odorous gases, and toxic and harmful gases generated in industrial places. Common waste gas purification includes factory dust and waste gas purification, workshop dust and waste gas purification, organic waste gas purification, waste gas odor purification, acid-base waste gas purification, chemical waste gas purification, etc. A complete exhaust gas purification system generally consists of five parts, which are the exhaust gas collection device (gas collecting hood) that captures the polluted gas, the pipes connecting the various components of the system, the purification device that purifies the polluted gas, and provides power for the gas flow. The ventilator makes full use of the atmospheric diffusion dilution ability to reduce pollution of the chimney.

At present, the commonly used waste gas treatment equipment has low working efficiency, insufficient treatment, and complex structure, which cannot meet the needs of use.

Utility model content

The purpose of the utility model is to propose a PP waste gas treatment spray tower in order to solve the shortcomings existing in the prior art.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A PP waste gas treatment spray tower, comprising a treatment tower body, the bottom of the inner cavity of the treatment tower body is a water storage cavity, the outside of the water storage cavity is connected with a closed water storage tank, and the outside of the storage tank is equipped with a water pump The upper part of the water storage cavity is provided with a connected air inlet cavity, one side of the air inlet cavity is provided with an air inlet, the upper part of the air inlet cavity is provided with a first spray cavity, and the upper part of the first spray cavity is provided with a second spray cavity The top of the inner cavity of the first spray cavity and the second spray cavity is provided with a spray head through a bracket, and the lower part of the inner cavity of the first spray cavity and the second spray cavity is placed with a slow-down layer, The upper part of the second spray chamber is also connected with a mist eliminator, an inverted funnel-shaped air outlet chimney is installed above the mist eliminator, the liquid inlet end of the water pump is connected to the reservoir through a water pipe, and the liquid outlet end of the water pump The water pipe communicates with the liquid inlet end of each sprinkler head.

Preferably, a treatment liquid inlet is provided on the top side of the reservoir, a floating ball valve is provided at the inner liquid outlet end of the treatment liquid inlet, and a drain valve is also provided on the bottom end of the reservoir.

Preferably, the number of the shower heads is not less than four groups, and they are arranged horizontally and uniformly above the slow-down layer.

Preferably, the entire upper part of the slow-down layer is an accumulation layer of environmental protection balls, the bottom is a hollow partition for erection and installation, and the overall thickness of the accumulation layer of environmental protection balls is not less than 50 cm.

Preferably, transparent observation windows are installed on the sides of the air inlet cavity, the first spray cavity, the second spray cavity and the air outlet chimney.

The utility model adopts the environmental protection ball slow-falling layer and the double-layer spray type treatment tower to carry out acid-base neutralization and purification on the waste gas, so as to improve the reaction time and efficiency, the treatment of the waste gas is more thorough, and the work efficiency is higher, which is suitable for continuous and The treatment of intermittent exhaust gas; the process is simple, the management, operation and maintenance are quite convenient and concise, it will not cause any impact on the production of the workshop, and it is easy to popularize and use.

Description of drawings

Fig. 1 is the front structure schematic diagram of a kind of PP waste gas treatment spray tower proposed by the utility model;

Fig. 2 is the left side structural representation of a kind of PP waste gas treatment spray tower proposed by the utility model;

3 is a schematic top view of a PP waste gas treatment spray tower proposed by the utility model.

In the figure: 1 treatment tower body, 11 water storage cavity, 12 air inlet cavity, 13 first spray cavity, 14 second spray cavity, 15 mist eliminator, 16 air outlet chimney, 2 water reservoir, 21 treatment liquid Inlet, 22 float valve, 23 drain valve, 3 water pump, 4 air inlet, 5 sprinkler head, 6 slow drop layer, 61 environmental protection ball accumulation layer, 62 hollow partition, 7 observation window.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, a PP waste gas treatment spray tower includes a treatment tower body 1, a water storage cavity 11, an air inlet cavity 12, a first spray cavity 13, a second spray cavity 14, a mist eliminator 15, Air outlet chimney 16, reservoir 2, treatment liquid inlet 21, floating ball valve 22, drain valve 23, water pump 3, air inlet 4, sprinkler head 5, slow drop layer 6, green ball accumulation layer 61, hollow partition 62 and observation window 7, the bottom of the inner cavity of the treatment tower body 1 is a water storage cavity 11, the outside of the water storage cavity 11 is connected with a closed water storage tank 2, and the outside of the storage tank 2 is equipped with a water pump 3, which stores water. The upper part of the cavity 11 is provided with a connected air inlet cavity 12, one side of the air inlet cavity 12 is provided with an air inlet 4, the upper part of the air inlet cavity 12 is provided with a first spray cavity 13, and the upper part of the first spray cavity 13 is provided with There is a second spray cavity 14, and the tops of the inner cavity of the first spray cavity 13 and the second spray cavity 14 are provided with a spray head 5 through a bracket. The lower part of the inner cavity is placed with a slow-down layer 6, and the upper part of the second spray chamber 14 is also connected with a mist eliminator 15. The upper part of the mist eliminator 15 is equipped with an inverted funnel-shaped air outlet chimney 16. The air inlet end is communicated with the second spray chamber 14 in the lower part, the air outlet end of the mist eliminator 15 is communicated with the upper air outlet chimney 16, the liquid inlet end of the water pump 3 is communicated with the reservoir 2 through a water pipe, and the outlet end of the water pump 3 is communicated with the reservoir 2. The liquid end is communicated with the liquid inlet end of each sprinkler head 5 through a water pipe, and the water pump 3 is powered by an external battery.

The top side of the reservoir 2 is provided with a treatment liquid inlet 21, the inner liquid outlet end of the treatment liquid inlet 21 is equipped with a floating ball valve 22, and the treatment liquid inlet 21 is used for adding the chemical liquid for waste gas treatment, that is, sodium hydroxide absorption When too much liquid medicine is discharged into the reservoir 2, the floating ball part of the float valve 22 floats up, so that the valve body is closed, that is, the liquid addition is stopped. The bottom side of the reservoir 2 is also provided with a drain valve 23.

The number of sprinkler heads 5 is not less than four groups, and they are arranged horizontally and evenly above the slow-down layer 6 to improve the effect of sprinkler.

The entire upper part of the slow-down layer 6 is an environmental protection ball accumulation layer 61, and the bottom is a hollow baffle 62 for erection and installation. There are holes to facilitate the downward flow of the liquid, and at the same time, it can play the role of supporting the environmental protection ball accumulation layer 61, and the overall thickness of the environmental protection ball accumulation layer 61 is not less than 50cm. The surface of the environmental protection ball accumulation layer 61 has many wrinkles and edges, which can It can effectively reduce the downward flow rate of the waste gas treatment liquid and improve the contact time between the water body and the gas.

Transparent observation windows 7 are installed on the sides of the air inlet chamber 12 , the first spray chamber 13 , the second spray chamber 14 and the air outlet chimney 16 to facilitate monitoring of the working state of the waste gas treatment operation.

During operation, firstly, the mixed waste gas treatment liquid, namely sodium hydroxide absorption liquid, is added to the interior of the reservoir 2 through the treatment liquid inlet 21, and the pH value of the sodium hydroxide absorption liquid is controlled to 9, and then the switch of the water pump 3 is turned on, The exhaust gas is continuously discharged into the air inlet chamber 12, and the absorption liquid inside the reservoir 2 is pumped out by the water pump 3 and sprayed from the spray head 5, and sprayed in the inside of the first spray chamber 13 and the second spray chamber 14 , and sprinkled on the surface of the slow-falling layer 6 to fall slowly, and fully carry out acid-base neutralization reaction with the acid waste gas in the chamber, which plays the role of purification treatment. The pool 2 is pumped up by the water pump 3 and continues to carry out the circulating spray operation. Next, due to the closed bottom, the exhaust gas can only be discharged upward, and is further filtered to remove impurities and mist through the mist eliminator 15, and the final purified clean The gas is discharged into the atmosphere from the outlet chimney 16 .

The main operation mode of the PP waste gas treatment spray tower (spray and demisting integrated tower) of the utility model is to continuously introduce the acid mist waste gas from the air duct into the purification tower, after two sprays and then pass through the demister, the waste gas and the hydrogen peroxide The sodium absorbing liquid undergoes full contact absorption and neutralization reaction of gas-liquid two-phase. After the acid mist waste gas is purified, it is dewatered and demisted by the defogging plate and then discharged into the atmosphere by the fan. The absorption liquid is pressurized by the water pump at the bottom of the tower and sprayed down at the top of the tower, and finally refluxed to the bottom of the tower for recycling. The purified acid mist exhaust gas meets the emission requirements of the emission standard.

The installed two-layer spray chamber is used as the mass transfer equipment for the contact components between the gas and liquid phases. Downflow, increase the contact time of gas and liquid, increase the reaction time of waste gas removal, and make the reaction more thorough. The gas is fed from the air inlet of the tower and enters the spray chamber, so that the gas-liquid two phases are in close contact for mass transfer, which improves the work efficiency.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (4)

1. The utility model provides a PP exhaust-gas treatment spray column, includes treating tower body (1), its characterized in that: the bottom of an inner cavity of the treatment tower body (1) is provided with a water storage cavity (11), the outside of the water storage cavity (11) is communicated with a closed water storage tank (2), the outer side of the water storage tank (2) is provided with a water pump (3), the upper part of the water storage cavity (11) is provided with a communicated air inlet cavity (12), one side of the air inlet cavity (12) is provided with an air inlet (4), the upper part of the air inlet cavity (12) is provided with a first spraying cavity (13), the upper part of the first spraying cavity (13) is provided with a second spraying cavity (14), the tops of the inner cavities of the first spraying cavity (13) and the second spraying cavity (14) are respectively provided with a spraying head (5) through a bracket, the lower parts of the inner cavities of the first spraying cavity (13) and the second spraying cavity (14) are respectively provided with a slow descending layer (6), the upper part of the second spraying cavity (14) is also communicated with a demister (15), an inverted, the liquid inlet end of the water pump (3) is communicated and connected with the water storage tank (2) through a water pipe, the liquid outlet end of the water pump (3) is communicated with the liquid inlet ends of the spray headers (5) through a water pipe, a treatment liquid inlet (21) is formed in one side of the top end of the water storage tank (2), a ball float valve (22) is installed at the inner liquid outlet end of the treatment liquid inlet (21), and a drain valve (23) is further formed in one side of the bottom end of the water storage tank (2).

2. The PP waste gas treatment spray tower as claimed in claim 1, wherein the number of the spray headers (5) is not less than four, and the spray headers are horizontally and uniformly arranged above the slow descending layer (6).

3. The PP waste gas treatment spray tower of claim 1, wherein the whole upper part of the slow descending layer (6) is an environment-friendly ball stacking layer (61), the bottom part of the slow descending layer is a hollow partition plate (62) for erection and installation, and the whole thickness of the environment-friendly ball stacking layer (61) is not less than 50 cm.

4. The PP waste gas treatment spray tower of claim 1, wherein the side surfaces of the air inlet chamber (12), the first spray chamber (13), the second spray chamber (14) and the air outlet chimney (16) are all provided with a transparent observation window (7).

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