CN212236625U

CN212236625U - Stacked bubbling and spraying tower

Info

Publication number: CN212236625U
Application number: CN202020250416.XU
Authority: CN
Inventors: 崔俊良
Original assignee: Hebei Rongte Chemical Co ltd
Current assignee: Hebei Rongte Chemical Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-12-29
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a gas treatment technical field especially relates to stack formula tympanic bulla, spray column. The method comprises the steps of realizing 4 times of absorption from bottom to top in one absorption tower, similarly stacking 2 bubbling devices and 2 spraying absorption devices together, simplifying devices and pipelines, reducing leakage points, reducing occupied area, optimizing gas absorption flow and reducing gas absorption resistance and failure rate; the last absorption liquid is transferred to the first absorption liquid by the gravity of potential difference without a circulating pump or a special liquid conveying pump, and the absorption function can be further realized in the transfer process; the stacked bubbling and spraying absorption tower can realize 4-level gas absorption at most, when a user uses the absorption tower, the absorption stage number can be randomly selected according to the change of gas quantity, and each level of absorption can be started or stopped at any time through the control of a valve; the multi-stage absorption of the overlapped bubbling and spraying absorption tower is completed in one device, and the first bubbling area and the second bubbling area are provided with coil pipes for controlling the absorption temperature.

Description

Stacked bubbling and spraying tower

Technical Field

The utility model relates to a gas treatment technical field especially relates to stack formula tympanic bulla, spray column.

Background

In the production of enterprises, various gases are reacted with liquid and washed to make the liquid absorb the components contained in the gas, thereby achieving the purpose of purifying the gas. There are generally two ways of contacting the gas with the liquid, namely bubbling absorption and spraying absorption.

Bubbling absorption: in the liquid container, gas with certain pressure enters from the bottom of the container, and after passing through the gas distributor at the bottom of the container, the gas uniformly bubbles through the liquid in the container, thereby achieving the purpose of purifying the gas.

Spray-type absorption: gas enters from the bottom of the absorption tower and passes through the packing layer of the absorption tower, the gas is in reverse contact with absorption liquid from top to bottom at the top of the absorption tower from bottom to top, the liquid at the bottom of the absorption tower returns to the top of the absorption tower under the action of a circulating pump, and the liquid circularly absorbs the components in the gas, so that the aim of purifying the gas is fulfilled.

The liquid is absorbed to a certain degree to form a product, and in order to ensure that the gas is completely purified, two times of bubbling, two times of spraying or a mode of combination of bubbling and spraying are generally adopted, so that the method has wide application in various industries.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a stacked bubbling and spraying tower aiming at the technical defects, which is adopted in an absorption tower to realize 4 times of absorption from bottom to top, and similarly, 2 bubbling devices and 2 spraying absorption devices are stacked together, thereby simplifying the devices and pipelines, reducing leakage points, reducing the occupied area, optimizing the gas absorption process and reducing the gas absorption resistance and the failure rate; the last absorption liquid is transferred to the first absorption liquid by the gravity of potential difference without a circulating pump or a special liquid conveying pump, and the absorption function can be further realized in the transfer process; the stacked bubbling and spraying absorption tower can realize 4-level gas absorption at most, when a user uses the absorption tower, the absorption stage number can be randomly selected according to the change of gas quantity, and each level of absorption can be started or stopped at any time through the control of a valve; the multi-stage absorption of the overlapped bubbling and spraying absorption tower is completed in one device, and the first bubbling area and the second bubbling area are provided with coil pipes for controlling the absorption temperature.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the tower comprises a tower body, wherein a first bubbling region, a first spraying region, a second bubbling region and a second spraying region are sequentially arranged in the tower body from bottom to top; one side of the first bubbling area is connected with an air inlet pipe; a gas distributor is arranged below the first bubbling region; a bubbling pipe is arranged below the gas distributor; the air inlet pipe is also communicated with the bubbling pipe; a first saturated liquid outlet pipe is arranged at the lower side of the first bubbling region; the bottom of the first bubbling area is connected with a first circulating spray pump; the other end of the first circulating spray pump is connected with a first spray pipe in the first spray area; an overflow air inlet part is arranged in the middle of the second bubbling region; a ring bubbling area is arranged on the outer side of the overflow air inlet part; a gas distributor is arranged in the ring bubbling area; a liquid supplementing pipe is connected to the outer side of the second bubbling region; the liquid supplementing pipe extends to the ring bubbling area and is internally provided with a first liquid outlet; the liquid supplementing pipe extends to the lower part of the ring bubbling area and is provided with a second liquid outlet; and a gas outlet is arranged above the tower body.

Further optimize this technical scheme, be provided with second saturated liquid exit tube between first circulation spray pump and the first shower.

Further optimizing the technical scheme, the first bubbling area and the second bubbling area are internally provided with coil pipes.

Further optimizing the technical scheme, a first jumping pipe is arranged above the first bubbling area; the first jumping pipe is communicated with an air inlet pipe.

Further optimizing the technical scheme, a second jumping pipe is connected between the upper part and the lower part of the second bubbling area.

Further optimizing the technical scheme, the lower part in the second bubbling region is connected with a second circulating spray pump; the other end of the second circulating spray pump is connected with a second spray pipe of the second spray area.

Further optimizing the technical scheme, the overflow air inlet part comprises an inner layer and an outer layer; the lower part of the inner layer is communicated with the first spraying area; the outer layer is communicated with the upper part of the inner layer; the other end of the outer layer extends into the ring bubbling area; the other end of the outer layer is communicated with the ring bubbling area and is arranged below the gas distributor.

Further optimizing the technical scheme, a filler absorption layer is arranged below the first spray pipe; and a filler absorption layer is arranged below the second spray pipe.

Compared with the prior art, the utility model has the advantages of it is following:

1. the gas is absorbed for 4 times from bottom to top in an absorption tower, and 2 bubbling devices and 2 spraying absorption devices are similarly stacked together, so that the devices and pipelines are simplified; leakage points are reduced, the occupied area is reduced, the gas absorption flow is optimized, and the gas absorption resistance and the failure rate are reduced;

2. the last absorption liquid is transferred to the first absorption liquid by the gravity of potential difference without a circulating pump or a special liquid conveying pump, and the absorption function can be further realized in the transfer process. The liquid level of the second bubbling region does not need to be controlled during normal operation, the liquid level is fixed, the gas absorbed liquid overflows to the first bubbling region after the volume of the gas absorbed liquid is increased, and only the liquid level of the first bubbling region is controlled;

3. the multi-stage absorption of the overlapped bubbling and spraying absorption tower is completed in one device, and the coil pipes are attached in the upper absorption kettle and the lower absorption kettle and are used for cooling or heating, so that the absorption temperature is easier to control;

4. the gas is circularly reacted and washed through the first bubbling area, the first spraying area, the second bubbling area and the second spraying area, so that the gas and the liquid are mixed and absorbed more fully.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a stacked bubbling and spraying tower.

FIG. 2 shows the results of the hydrometric measurement of ammonia water.

In the figure: 1. a tower body; 2. a first bubbling zone; 3. a first spray zone; 4. a second bubbling zone; 5. a second spray zone; 6. an air inlet pipe; 7. a gas distributor; 8. a first circulating spray pump; 9. an overflow air intake portion; 10. a liquid supplementing pipe; 11. a gas outlet; 12. a coil pipe; 13. a filler absorbing layer; 14. a second circulating spray pump; 201. a bubbling tube; 202. a first saturated liquid outlet pipe; 203. a second saturated liquid outlet pipe; 204. a first jump pipe; 301. a first shower pipe; 401. a ring bubbling region; 402. a second hopping pipe; 501. a second shower pipe; 901. an inner layer; 902. an outer layer; 1001. a first liquid outlet; 1002. a second liquid outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: as shown in fig. 1, the tower comprises a tower body 1, and a first bubbling region 2, a first spraying region 3, a second bubbling region 4 and a second spraying region 5 are sequentially arranged in the tower body 1 from bottom to top; one side of the first bubbling region 2 is connected with an air inlet pipe 6; a gas distributor 7 is arranged below the first bubbling region 2; a bubbling pipe 201 is arranged below the gas distributor 7; the air inlet pipe 6 is also communicated with a bubbling pipe 201; a first saturated liquid outlet pipe 202 is arranged at the lower side of the first bubbling region 2; the bottom of the first bubbling area 2 is connected with a first circulating spray pump 8; the other end of the first circulating spray pump 8 is connected with a first spray pipe 301 in the first spray area 3; an overflow air inlet part 9 is arranged in the middle of the second bubbling region 4; a ring bubbling region 401 is arranged outside the overflow air inlet part 9; a gas distributor 7 is arranged in the ring bubbling region 401; a liquid supplementing pipe 10 is connected to the outer side of the second bubbling region 4; the liquid supplementing pipe 10 extends to the inside of the ring bubbling region 401 and is provided with a first liquid outlet 1001; a second liquid outlet 1002 is formed in the liquid supplementing pipe 10 extending to the position below the ring bubbling region 401; a gas outlet 11 is arranged above the tower body 1; a second saturated liquid outlet pipe 203 is arranged between the first circulating spray pump 8 and the first spray pipe 301; a coil pipe 12 is arranged in the first bubbling area 2 and the second bubbling area 4; a first jumping pipe 204 is arranged above the first bubbling region 2; the first skip pipe 204 is communicated with the air inlet pipe 6; a second jumping pipe 402 is connected between the upper part and the lower part of the second bubbling region 4; the lower part in the second bubbling region 4 is connected with a second circulating spray pump 14; the other end of the second circulating spray pump 14 is connected with a second spray pipe 501 of the second spray area 5; the overflow air intake part 9 comprises an inner layer 901 and an outer layer 902; the lower part of the inner layer 901 is communicated with a first spraying area 3; the outer layer 902 is communicated with the upper part of the inner layer 901; the other end of outer layer 902 extends into ring bubble region 401; the other end of the outer layer 902 is arranged below the gas distributor 7 at the position communicated with the ring bubble area 401; a filler absorption layer 13 is arranged below the first spray pipe 301; a filler absorption layer 13 is arranged below the second spray pipe 501.

When in use, as shown in figure 1, gas is absorbed for 4 times from bottom to top in the tower body 1, and similarly, 2 bubbling devices and 2 spraying and absorbing devices are stacked together, so that the devices and pipelines are simplified; leakage points are reduced; the occupied area is reduced; the gas absorption process is optimized; the gas absorption resistance and the failure rate are reduced;

when the absorption liquid in the second bubbling region 4 is more, the absorption liquid can flow back to the first bubbling region 2 below through the overflow gas inlet part 9 and can also be contacted with gas in the downward flowing back process, so that the mixed absorption effect of the gas and the liquid is increased, and after the liquid level in the second bubbling region 4 is too high, the absorption liquid can flow back to the first bubbling region 2 through the overflow gas inlet part 9, so that the liquid level in the second bubbling region 4 tends to be stable, and only the liquid level in the first bubbling region 2 needs to be controlled;

through control, the gas in the gas inlet pipe 6 can enter the tower body 1 along the first jumping pipe 204, so that the working process of the first bubbling region 2 is skipped, when the gas enters the lower part of the second bubbling region 4, the second jumping pipe 402 is switched on and off through a hole, so that the gas can jump the working process of the second bubbling region 4, and thus, the absorption adjustment of the gas in different degrees is realized through comprehensive use;

the coil pipes 12 are arranged in the first bubbling region 2 and the second bubbling region 4, so that the temperature of the absorption liquid in the bubbling regions can be controlled and adjusted, and the bubbling regions are ensured to be at a temperature suitable for working.

Effect verification

When the equipment is used for purifying sulfur-containing and ammonia-containing waste gas, the waste gas is introduced from the gas inlet pipe 6, the liquid caustic soda is conveyed into the equipment through the liquid supplementing pipe 10, the ammonia gas is discharged from the gas outlet 11, and then the ammonia gas and the water are fully mixed to obtain an ammonia water finished product.

The ammonia water prepared by the embodiment of the utility model and the ammonia water produced by the original bubble absorption equipment are tested and compared by a hydrometer method, the detection result is shown in figure 2, and the ammonia water produced before the improved technology can be obtained by figure 2, wherein firstly, the sulfur-containing overproof color of the ammonia water is yellow because of incomplete desulfurization; secondly, the ammonia water contains ammonia salt, which causes the ammonia water to have high specific gravity;

in the utility model, bubbling absorption, spraying absorption, bubbling absorption and spraying absorption are carried out in the tower body, so that the ammonia salt is decomposed, the waste gas is purified deeply, the specific gravity of the prepared ammonia water is effectively reduced, and the ammonia content of the ammonia water is improved.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The stack type bubbling and spraying tower is characterized in that: comprises a tower body (1), wherein a first bubbling area (2), a first spraying area (3), a second bubbling area (4) and a second spraying area (5) are sequentially arranged in the tower body (1) from bottom to top; one side of the first bubbling region (2) is connected with an air inlet pipe (6); a gas distributor (7) is arranged below the inside of the first bubbling region (2); a bubbling pipe (201) is arranged below the gas distributor (7); the air inlet pipe (6) is also communicated with the bubbling pipe (201); a first saturated liquid outlet pipe (202) is arranged at the lower side of the first bubbling region (2); the bottom of the first bubbling area (2) is connected with a first circulating spray pump (8); the other end of the first circulating spray pump (8) is connected with a first spray pipe (301) in the first spray area (3); an overflow air inlet part (9) is arranged in the middle of the second bubbling region (4); a ring bubbling area (401) is arranged on the outer side of the overflow air inlet part (9); a gas distributor (7) is arranged in the ring bubbling area (401); a liquid supplementing pipe (10) is connected to the outer side of the second bubbling region (4); the liquid supplementing pipe (10) extends to the annular bubbling region (401) and is internally provided with a first liquid outlet (1001); the liquid supplementing pipe (10) extends to the lower part of the ring bubbling area (401) and is provided with a second liquid outlet (1002); and a gas outlet (11) is arranged above the tower body (1).

2. The stacked bubble and spray tower of claim 1, wherein: and a second saturated liquid outlet pipe (203) is arranged between the first circulating spray pump (8) and the first spray pipe (301).

3. The stacked bubble and spray tower of claim 1, wherein: and coil pipes (12) are arranged in the first bubbling area (2) and the second bubbling area (4).

4. The stacked bubble and spray tower of claim 1, wherein: a first jumping pipe (204) is arranged above the first bubbling region (2); the first skip pipe (204) is communicated with an air inlet pipe (6).

5. The stacked bubble and spray tower of claim 1, wherein: a second jumping pipe (402) is connected between the upper part and the lower part of the second bubbling area (4).

6. The stacked bubble and spray tower of claim 1, wherein: the lower part in the second bubbling area (4) is connected with a second circulating spray pump (14); the other end of the second circulating spray pump (14) is connected with a second spray pipe (501) of the second spray area (5).

7. The stacked bubble and spray tower of claim 1, wherein: the overflow intake (9) comprises an inner layer (901) and an outer layer (902); the lower part of the inner layer (901) is communicated with the first spraying area (3); the outer layer (902) is communicated with the upper part of the inner layer (901); the other end of the outer layer (902) extends into the ring bubbling region (401); the other end of the outer layer (902) is communicated with the ring bubbling region (401) and is arranged below the gas distributor (7).