CN211069587U - Double-circulation flue gas absorption circulation tank - Google Patents

Abstract

The utility model discloses a dual cycle flue gas absorption cycle pond, including circulation pond and spray column, through divide into clear water circulation pond and acid reaction liquid circulation pond with traditional circulation pond, divide into left and right sides two parts with traditional spray column, make clear water circulation pond can link to each other with the clear water shower nozzle of spray column, acid reaction liquid circulation pond can link to each other with the acid reaction liquid shower nozzle of spray column, so can make spray column and circulation pond cooperation accomplish the dual cycle process of clear water and surplus acid reaction liquid, traditional circulation pond only once circulation has been solved, and the problem of function singleness, the practicality in circulation pond has been improved greatly, the filtration efficiency in circulation pond has directly been improved.

Description

A double-circulation flue gas absorption and circulation pool

technical field

The utility model belongs to the technical field of flue gas purification and circulation pools, in particular to a double-circulation flue gas absorption and circulation pool.

Background technique

Flue gas is a gas with fixed small particles, and flue gas is a mixture of gas and soot, which is the main cause of air pollution in residential areas. The composition of flue gas is very complex. The gas includes water vapor, sulfur dioxide, nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrocarbons and nitrogen oxides. The soot includes fuel ash, coal particles, oil droplets, and high-temperature cracking products. At present, the domestic purification method for acid mist waste gas mainly adopts spray acid mist tower. Enter into the circulation pool to carry out the removal of dirt and reaction impurities. Due to the double cleaning of flue gas and acid mist during the actual flue gas filtration process, unnecessary troubles are brought to the specific operation.

Therefore, in order to solve the above problems, we provide a dual-circulation flue gas absorption and circulation pool.

Utility model content

The utility model is provided to solve the above-mentioned problems that the traditional circulation tank can only be circulated independently and the functions are not complete.

The utility model is realized in this way, a dual-circulation flue gas absorption circulation tank, the circulation tank includes a clean water circulation tank and an acid reaction liquid circulation tank, and the upper end of the circulation tank is connected with a spray tower, the spray tower A number of clean water nozzles and acid reaction liquid nozzles are installed at the top of the interior, a partition plate is arranged between the clean water nozzles and the acid reaction liquid nozzle, and a flue gas inlet is opened at the top of the partition plate near the spray tower;

One end of the clean water circulation tank is provided with a sludge pump, the clean water circulation tank is also connected with a clean water circulation pump, and the clean water circulation pump is connected with the clean water nozzle through a first circulation pipe; One end is connected with an acidic reaction liquid circulating pump, and the acidic reaction liquid circulating pump is connected with the acidic reaction liquid nozzle through a second circulating pipe.

Preferably, an exhaust port is provided on one side of the spray tower.

Preferably, one end of the sludge pump is connected with a sewage pipe.

Preferably, a sewage pipe is arranged between the sludge pump and the clean water circulation tank.

Preferably, a clean water pipe is arranged between the clean water circulating pump and the clean water circulating pool.

Preferably, an acid liquid pipe is connected between the acid reaction liquid circulation pump and the acid reaction liquid circulation tank.

Compared with the prior art, the beneficial effect of the present utility model is: by dividing the traditional circulating pool into a clean water circulating pool and an acidic reaction liquid circulating pool, and dividing the traditional spray tower into two parts, left and right, the clean water circulating pool can be combined with the spraying pool. The clean water nozzle of the spray tower is connected, and the acid reaction liquid circulation pool can be connected to the acid reaction liquid nozzle of the spray tower, so that the spray tower and the circulation tank can cooperate to complete the double circulation process of clean water and the remaining acidic reaction liquid, which solves the traditional circulation process. The pool can only be cycled once, and the problem of single function greatly improves the practicability of the circulating pool and directly improves the filtration efficiency of the circulating pool.

Description of drawings

Fig. 1 is the overall schematic diagram of a kind of double-cycle flue gas absorption circulation tank;

2 is a schematic cross-sectional view of a dual-circulation flue gas absorption and circulation tank;

FIG. 3 is a partially enlarged schematic diagram of a dual-circulation flue gas absorption and circulation tank.

In the figure: 1. Clear water circulation tank; 2. Acid reaction liquid circulation tank; 3. Spray tower; 4. Clear water nozzle; 5. Acid reaction liquid nozzle; 6. Separator; 7. Flue gas inlet; 8. Sludge Pump; 9. Clear water circulation pump; 10. First circulation pipe; 11. Acid reaction liquid circulation pump; 12. Second circulation pipe; 13. Exhaust port; 14. Sewage pipe; 15. Sewage pipe; ; 17, acid liquid pipe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to Figures 1-3, Figure 1 is an overall schematic diagram of a dual-cycle flue gas absorption and circulation pool; Figure 2 is a schematic cross-sectional view of a dual-cycle flue gas absorption and circulation pool; Figure 3 is a dual-cycle flue gas absorption cycle A partially enlarged schematic diagram of the pool. A dual-circulation flue gas absorption and circulation pool, the circulation pool includes a clean water circulation pool 1 and an acid reaction liquid circulation pool 2, and the upper end of the circulation pool is connected with a spray tower 3, and the top of the spray tower 3 is installed with a Several clean water nozzles 4 and acid reaction liquid nozzles 5, between the clean water nozzles 4 and the acidic reaction liquid nozzles 5 are provided with a partition 6, and the partition 6 is provided with flue gas near the top of the spray tower 3 entrance 7;

One end of the clean water circulating pool 1 is provided with a sludge pump 8, and the clean water circulating pool 1 is also connected with a clean water circulating pump 9, and the clean water circulating pump 9 is connected with the clean water nozzle 4 through the first circulating pipe 10; One end of the acid reaction liquid circulation tank 2 is connected with an acid reaction liquid circulation pump 11 , and the acid reaction liquid circulation pump 11 is connected with the acid reaction liquid nozzle 5 through a second circulation pipe 12 .

One side of the spray tower 3 is provided with an exhaust port 13 , which can discharge the purified gas out of the spray tower 3 .

One end of the sludge pump 8 is connected with a sewage pipe 14 , which is responsible for discharging the sludge and dirt in the clean water circulation tank 1 .

A sewage pipe 15 is arranged between the sludge pump 8 and the clean water circulation tank 1, which is used to connect the clean water circulation tank 1 and the sludge pump 8, so as to prevent the common pipe from being blocked.

A clean water pipe 16 is arranged between the clean water circulating pump 9 and the clean water circulating pool 1 , which is responsible for connecting the clean water circulating pool 1 and the clean water circulating pump 9 .

An acid liquid pipe 17 is connected between the acid reaction liquid circulation pump 11 and the acid reaction liquid circulation pool 2, which is used to connect the acid reaction liquid circulation pump 11 and the acid reaction liquid circulation pool 2, so as to prevent the occurrence of the problem of corrosion pipes. .

The working principle of the utility model is as follows: as shown in Figure 1, the utility model is used for the treatment of flue gas, including a clean water circulating pool 1, an acidic reaction liquid circulating pool 2 and a spray tower 3, a clean water circulating pool 1 and a spraying The clean water nozzles 4 of the tower 3 are connected to each other, the acid reaction liquid circulation pool 2 is connected to the acid reaction liquid 5 of the spray tower 3, the clean water circulation pool 1 is also connected with a sludge pump 8 and a clean water circulation pump 9, and the acid reaction liquid circulation pool 2 is connected. There is an acid reaction liquid circulating pump 11, wherein a special sewage pipe 15 is arranged between the clean water circulating pool 1 and the sludge pump 8, which can prevent dirt from clogging, and a clean water pipe 16 is provided between the clean water circulating pool 1 and the clean water circulating pump 9. There is a special acid liquid pipe 17 between the acid reaction liquid circulation tank 2 and the acid reaction liquid circulation pump 11, which can resist corrosion. In particular, one end of the sludge pump 8 is also connected with a sewage pipe 14. There is an exhaust port 13 on the side, which is used to discharge the non-polluting gas after purification. One end of the sludge pump 8 is connected with a sewage pipe 14, which is used to discharge the sludge impurities in the clean water circulation tank 1 out of the tank. In addition, the clean water circulation pump 9 There is a clear water pipe 16 between it and the clear water circulation tank 1, which is responsible for sending the clear water in the tank to the clear water circulation pump 9, and there is an acid liquid pipe 17 between the acid reaction liquid circulation pump 11 and the acid reaction liquid circulation tank 2, which is responsible for the The acidic reaction liquid in the pool is sent into the acidic reaction liquid circulating pump 11, and the next pumping operation is carried out;

When the dual-circulation flue gas treatment circulating pool of the present invention is in use, the flue gas to be treated is firstly discharged to the side of the inner bottom of the spray tower 3 that is close to the clean water nozzle 4, and the flue gas rises as the clean water nozzle is turned on. 4. The clean water nozzle 4 sprays clean water downward and contacts the accompanying flue gas. At this time, the solid small particles in the flue gas are washed away by the clean water, and the exhaust gas that does not contain fixed small particles continues to rise, including impurity particles. The waste water enters the clean water circulation tank 1. Since the circulation tank is connected with a sludge pump 8, the sludge pump 8 can pump the solids and mud in the clean water circulation tank 1 into the filter press for mud-water separation operation, and then The fixed products are discharged from the sewage pipe 14 to purify the water in the clean water circulating pool 1, and the clean water circulating pool 1 is also connected with a clean water circulating pump 9, and the clean water circulating pump 9 will further pump clean water to the spray tower through the first circulating pipe 10. 3. There are 4 clean water nozzles inside, which ensures the work flow of clean water to remove smoke and realizes the recycling of clean water;

The exhaust gas that does not contain fixed small particles continues to rise, and passes through the flue gas outlet 7 of the partition 6, and the exhaust gas enters the place where the acid reaction liquid nozzle 5 is located. At this time, the acid reaction liquid chemically reacts with the harmful substances in the exhaust gas, and after being purified The gas is discharged out of the spray tower 3 along the exhaust port 13, and the remaining acid reaction liquid will drip into the acid reaction liquid circulation tank 2, and then the acid reaction liquid circulation tank 2 is pressed to the spray tower through the acid reaction liquid circulation pump 11. The acid reaction liquid nozzle 5 inside the shower tower 3 is used for recycling. In particular, the acid reaction liquid circulating pump 11 is a pump with corrosion resistance, so that the life of the equipment can be guaranteed during use;

In this way, the spray tower and the circulation tank can cooperate to complete the double circulation process of clean water and the remaining acidic reaction liquid, which solves the problem that the traditional circulation tank can only perform one cycle and has a single function, and greatly improves the practicability of the circulation tank. the filtration efficiency of the circulating pool.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in the present utility model. within the scope of protection.

Claims (6)

1. The utility model provides a dual cycle flue gas absorption circulation pond, the circulation pond includes clear water circulation pond (1) and acid reaction liquid circulation pond (2), just circulation pond upper end is connected with spray column (3), its characterized in that: a plurality of clear water spray nozzles (4) and acidic reaction liquid spray nozzles (5) are mounted at the top end inside the spray tower (3), a partition plate (6) is arranged between the clear water spray nozzles (4) and the acidic reaction liquid spray nozzles (5), and a flue gas inlet (7) is formed in the position, close to the top end of the spray tower (3), of the partition plate (6);

a sludge pump (8) is arranged at one end of the clear water circulating pool (1), a clear water circulating pump (9) is further connected to the clear water circulating pool (1), and the clear water circulating pump (9) is connected with the clear water spray head (4) through a first circulating pipe (10); one end of the acidic reaction liquid circulating pool (2) is connected with an acidic reaction liquid circulating pump (11), and the acidic reaction liquid circulating pump (11) is connected with the acidic reaction liquid spray nozzle (5) through a second circulating pipe (12).

2. The dual cycle flue gas absorption cycle cell of claim 1, wherein: and an exhaust port (13) is arranged on one side of the spray tower (3).

3. The dual cycle flue gas absorption cycle cell of claim 1, wherein: one end of the sludge pump (8) is connected with a sewage discharge pipe (14).

4. The dual cycle flue gas absorption cycle cell of claim 1, wherein: a sewage pipe (15) is arranged between the sludge pump (8) and the clear water circulating tank (1).

5. The dual cycle flue gas absorption cycle cell of claim 1, wherein: a clear water pipe (16) is arranged between the clear water circulating pump (9) and the clear water circulating pool (1).

6. The dual cycle flue gas absorption cycle cell of claim 1, wherein: an acidic liquid pipe (17) is connected between the acidic reaction liquid circulating pump (11) and the acidic reaction liquid circulating pool (2).

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