CN215962938U - Flue gas purification equipment for wet-type washing process - Google Patents
Flue gas purification equipment for wet-type washing process Download PDFInfo
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- CN215962938U CN215962938U CN202122395903.2U CN202122395903U CN215962938U CN 215962938 U CN215962938 U CN 215962938U CN 202122395903 U CN202122395903 U CN 202122395903U CN 215962938 U CN215962938 U CN 215962938U
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Abstract
The utility model discloses a flue gas purification device for a wet washing process, which relates to the technical field of flue gas purification and comprises a purification tower, wherein the bottom of one side of the purification tower is communicated with an air inlet pipeline, a first spray pipe is fixedly arranged inside the purification tower, a first spray head is fixedly arranged at the bottom of the first spray pipe, two second spray pipes are fixedly arranged inside the purification tower, a second spray head is fixedly arranged at the bottom of the second spray pipe, a first packing layer is fixedly arranged at the top of the inner wall of the purification tower, an active carbon adsorption layer is arranged inside the purification tower, and a second packing layer is arranged inside the purification tower. According to the utility model, the first spray pipe, the first spray head, the second spray pipe and the second spray head are arranged in the purification tower, and the cooling water pump and the temperature reduction water pump are utilized to enable the washing liquid to form a return pipeline, so that the washing liquid can be repeatedly utilized, the resource saving is facilitated, meanwhile, the NaOH solution for purification can be continuously provided for the interior of the purification tower, and the purification effect on the flue gas can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to flue gas purification equipment for a wet type washing process.
Background
In order to prevent the deterioration of the natural environment, the Qingshan, the green water, the blue sky and the sea are protected, the smoke generated when the factory carries out production work is required to be purified, the waste gas purification tower is provided with different medicaments according to different waste gases, a device for purifying various toxic and harmful waste gases by adopting a wet processing method is designed by absorbing essence of purification technologies such as a foam tower, a spray tower, a packed tower and the like, but the tower body structure and the spray structure of the traditional waste gas purification tower are fixed in the using process and cannot be stretched and adjusted in height, and meanwhile, the traditional waste gas purification tower lacks protective measures when alkali liquor circulation is carried out, so that the situation that the circulating liquid is blocked due to leakage of the filler exists, and certain limitation exists, so that improvement is needed to solve the problems.
The existing flue gas purification equipment for the wet type washing process cannot recycle the washing liquid in the using process, and the washing liquid is discharged after one side of the washing liquid is used, so that waste is generated, and resources are not saved.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a flue gas purification device for wet scrubbing process to solve the above problems in the background art. In order to achieve the above-mentioned objects,
a wet scrubbing process uses flue gas purification equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the purifying device comprises a purifying tower, wherein the bottom of one side of the purifying tower is communicated with an air inlet pipeline, a first spray pipe is fixedly arranged inside the purifying tower, a first spray head is fixedly arranged at the bottom of the first spray pipe, two second spray pipes are fixedly arranged inside the purifying tower, a second spray head is fixedly arranged at the bottom of the second spray pipe, a first packing layer is fixedly arranged at the top of the inner wall of the purifying tower, an active carbon adsorption layer is arranged inside the purifying tower, and a second packing layer is arranged inside the purifying tower;
the inlet end of the cooling water pump is communicated with the purification tower, and the outlet end of the cooling water pump is communicated with the two second spray pipes; and the number of the first and second groups,
one side of the purification tower is communicated with the desuperheating water tank through a pipeline; and the number of the first and second groups,
and the inlet end of the temperature reduction water pump is communicated with the temperature reduction water tank, and the outlet end of the temperature reduction water pump is communicated with the first spraying pipe.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: and a liquid level indicator is fixedly arranged at the bottom of the inner wall of the purification tower.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the inner wall fixed mounting that the purifying column is close to cooling water pump one side has the installation pipe, there is the filter screen one side that cooling water pump was kept away from to the installation pipe through bolt fixed mounting, the installation pipe with cooling water pump's entry end is corresponding.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the bottom of the purifying tower, which is far away from one side of the cooling water pump, is communicated with a liquid drainage pipeline, and a valve is arranged in the liquid drainage pipeline.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the water supply system comprises a process water tank and a process water pump, the process water tank is communicated with the inlet end of the process water pump through a pipeline, and the outlet end of the process water pump is communicated with the air inlet pipeline through a pipeline.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the outlet end of the process water pump is communicated with the desuperheating water tank through a pipeline, and a valve is arranged in the pipeline.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the sodium-alkali solution supply system comprises a NaOH storage tank, a NaOH dilution pump, a NaOH dilution tank and a NaOH supply pump, wherein the inlet end of the NaOH dilution pump is communicated with the NaOH storage tank, the outlet end of the NaOH dilution pump is communicated with the NaOH dilution tank, the inlet end of the NaOH supply pump is communicated with the NaOH dilution tank, and the outlet end of the NaOH supply pump is communicated with the inlet end of the desuperheating water pump.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the outlet end of the process water pump is communicated with the NaOH diluting tank through a pipeline, and a valve is arranged in the pipeline.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: the outlet end of the NaOH supply pump is communicated with the inlet end of the temperature-reducing water pump through a pipeline, and a valve is arranged in the pipeline.
As a preferable aspect of the flue gas purification apparatus for a wet scrubbing process according to the present invention, wherein: and the outlet end of the NaOH supply pump is communicated with the cooling water pump through a pipeline, and a valve is arranged in the pipeline.
The utility model has the beneficial effects that:
(1) the first spray pipe, the first spray head, the second spray pipe and the second spray head are arranged in the purification tower, the cooling water pump and the temperature reduction water pump are utilized to enable the washing liquid to form a return pipeline, the washing liquid can be repeatedly utilized, resources are saved, and meanwhile, the sodium alkali solution supply system is matched with the purification tower for use, so that NaOH solution for purification can be continuously provided for the interior of the purification tower, and the purification effect on the flue gas can be effectively improved.
(2) According to the utility model, the first packing layer, the second packing layer and the activated carbon adsorption layer are arranged in the purification tower, so that harmful substances in the flue gas can be absorbed, and the flue gas purification effect is further improved;
(3) according to the utility model, the filter screen is arranged in the purification tower, and can filter the washing liquid entering the installation pipe, so that impurities in the washing liquid after the flue gas is purified are prevented from being sucked into the cooling water pump, the reused washing liquid does not contain impurities, and the use effect of the washing liquid is improved.
Drawings
FIG. 1 is a schematic structural diagram of a flue gas purification apparatus for a wet scrubbing process according to the present invention;
FIG. 2 is a schematic view of the internal structure of a purification tower of the flue gas purification apparatus for wet scrubbing process according to the present invention;
FIG. 3 is a schematic view of an external structure of a purification tower of a flue gas purification apparatus for a wet scrubbing process according to the present invention;
fig. 4 is a schematic diagram of a side structure of a filter screen of a flue gas purification device for a wet scrubbing process according to the present invention.
FIG. 5 is a schematic diagram of the overall apparatus of the present invention.
In the figure:
1. a purification tower; 2. an air intake duct; 3. a first shower pipe; 4. a first shower head; 5. a second shower pipe; 6. a second shower head; 7. a first filler layer; 8. an activated carbon adsorption layer; 9. a second packing layer; 10. a liquid level indicator; 11. installing a pipe; 12. Filtering with a screen; 13. a liquid discharge pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A flue gas purification device for a wet type washing process comprises a purification tower 1, a cooling water pump, a temperature reduction water tank and a temperature reduction water pump. The flue gas to be treated is conveyed into the purification tower 1 through a flue gas conveying pipeline, the absorbent is supplied into the purification tower 1 by the absorbent supply system, the flue gas and the absorbent form a high-concentration fluidized bed layer in the purification tower 1, so that the flue gas and the absorbent react, and the treated flue gas passes through the dust remover and then is discharged from the exhaust tower.
Specifically, 1 inside admission line 2 that supplies the flue gas inflow that is provided with of purifying tower 1, top at 1 inner wall of purifying tower is provided with first shower 3, the bottom of first shower 3 is provided with a plurality of first shower heads 4 that distribute evenly, be provided with two second shower pipes 5 in the inside of purifying tower 1, the bottom of second shower pipe 5 is provided with a plurality of second shower heads 6 that distribute evenly, the inside of purifying tower 1 is provided with first packing layer 7, the inside of purifying tower 1 is provided with active carbon adsorption layer 8, the inside of purifying tower 1 is provided with second packing layer 9, active carbon adsorption layer 8 is located between first packing layer 7 and the second packing layer 9. The flue gas of dust remover passes through the inside that inlet tube 2 flowed into purifying tower 1, cooling water pump is with the inside washing liquid suction of purifying tower 1 to two second shower 5 in, the water suction of cooling water pump in with the cooling water pitcher is to first shower 3 in, first shower head 4 and second shower head 6 carry out the desulfurization to the flue gas, first packing layer 7, the harmful substance in the flue gas is absorbed to second packing layer 9 and active carbon adsorption layer 8, gas after the purification passes through 1 top discharge of purifying tower.
Wherein, the bottom of the purification tower 1 is provided with a liquid level indicator 10 for observing the washing liquid, and the liquid level indicator 10 is convenient for the staff to master the height of the liquid level at any time and add liquid at any time.
In other embodiments, the inner wall of purification tower 1 one side is provided with installation pipe 11, installation pipe 11 one side fixed mounting has filter screen 12, filter screen 12 passes through the bolt and fixes between installation pipe 11 to, installation pipe 11 is corresponding with cooling water pump's entry end, and filter screen 12 can filter the washing liquid that gets into in installation pipe 11, prevents to purify impurity in the washing liquid after the flue gas in by the suction to cooling water pump, does not contain impurity in the washing liquid that makes the reuse, improves the result of use of washing liquid.
In other embodiments, the bottom of the cooling water pump side of the purification tower 1 is communicated with a liquid drainage pipeline 13, and a valve is arranged inside the liquid drainage pipeline 13, so that the washing liquid in the purification tower 1 can be discharged by opening the valve in the liquid drainage pipeline 13.
In addition, the system also comprises a water supply system, wherein the water supply system comprises a process water tank and a process water pump, one side of the process water tank is communicated with the inlet end of the process water pump through a pipeline, the outlet end of the process water pump is communicated with the air inlet pipeline 2 through a pipeline, the process water is added into the process water tank, the process water is pumped into the purification tower 1 through the process water pump and used for evolving the flue gas, meanwhile, the outlet end of the process water pump is communicated with the temperature reduction water tank through a pipeline, a valve is arranged in the pipeline, the valve is opened, and the water supply system can supply water to the temperature reduction water tank.
In addition, the system also comprises a sodium-alkali solution supply system, wherein the sodium-alkali solution comprises a NaOH storage tank, a NaOH dilution pump, a NaOH dilution tank and a NaOH supply pump, the inlet end of the NaOH dilution pump is communicated with the NaOH storage tank, the outlet end of the NaOH dilution pump is communicated with the NaOH dilution tank, the inlet end of the NaOH supply pump is communicated with the NaOH dilution tank, the outlet end of the NaOH supply pump is communicated with the inlet end of the desuperheating water pump, 30% of sodium-alkali solution is injected into the NaOH storage tank, the sodium-alkali solution in the NaOH storage tank is pumped into the NaOH dilution tank by the NaOH dilution pump, and then the solution is supplied to the purification tower by the NaOH supply pump.
In addition, the outlet end of the process water pump is communicated with the NaOH dilution tank through a pipeline, a valve is arranged in the pipeline, a water supply system supplies water to the NaOH dilution tank by opening the valve, the outlet end of the NaOH supply pump is communicated with the inlet end of the temperature reduction water pump through a pipeline, the valve is arranged in the pipeline, NaOH solution can be supplied to the temperature reduction water pump by opening the valve, the temperature reduction water pump conveys the NaOH solution with the water to the inside of the purification tower 1 to purify the flue gas, the outlet end of the NaOH supply pump is communicated with the cooling water pump through a pipeline, the valve is arranged in the pipeline, the NaOH solution can be supplied to the cooling water pump by opening the valve, the cooling water pump injects the washing liquid with the NaOH solution into the inside of the purification tower 1 again to purify the flue gas, and therefore the purification effect of the flue gas can be well improved.
Therefore, the utility model can continuously add the NaOH solution for purification into the washing liquid, and improve the purification effect on the flue gas.
While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A wet scrubbing process uses flue gas purification equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the device comprises a purification tower (1), wherein the bottom of one side of the purification tower (1) is communicated with an air inlet pipeline (2), a first spray pipe (3) is fixedly installed inside the purification tower (1), a first spray head (4) is fixedly installed at the bottom of the first spray pipe (3), two second spray pipes (5) are fixedly installed inside the purification tower (1), a second spray head (6) is fixedly installed at the bottom of each second spray pipe (5), a first packing layer (7) is fixedly installed at the top of the inner wall of the purification tower (1), an active carbon adsorption layer (8) is arranged inside the purification tower (1), and a second packing layer (9) is arranged inside the purification tower (1);
the inlet end of the cooling water pump is communicated with the purification tower (1), and the outlet end of the cooling water pump is communicated with the two second spray pipes (5);
one side of the purification tower (1) is communicated with the desuperheating water tank through a pipeline; and the number of the first and second groups,
and the inlet end of the temperature reduction water pump is communicated with the temperature reduction water tank, and the outlet end of the temperature reduction water pump is communicated with the first spraying pipe (3).
2. The flue gas purification apparatus for a wet scrubbing process according to claim 1, wherein: and a liquid level indicator (10) is fixedly arranged at the bottom of the inner wall of the purification tower (1).
3. The flue gas purification apparatus for a wet scrubbing process according to claim 1, wherein: the inner wall fixed mounting that purification tower (1) is close to cooling water pump one side has installation pipe (11), one side that cooling water pump was kept away from in installation pipe (11) has filter screen (12) through bolt fixed mounting, installation pipe (11) with cooling water pump's entry end is corresponding.
4. The flue gas purification apparatus for a wet scrubbing process according to claim 1, wherein: the bottom of one side, far away from the cooling water pump, of the purification tower (1) is communicated with a liquid drainage pipeline (13), and a valve is arranged inside the liquid drainage pipeline (13).
5. The flue gas purification apparatus for a wet scrubbing process according to claim 1, wherein: the water supply system comprises a process water tank and a process water pump, the process water tank is communicated with the inlet end of the process water pump through a pipeline, and the outlet end of the process water pump is communicated with the air inlet pipeline (2) through a pipeline.
6. The flue gas purification apparatus for a wet scrubbing process according to claim 5, wherein: the outlet end of the process water pump is communicated with the desuperheating water tank through a pipeline, and a valve is arranged in the pipeline.
7. The flue gas purification apparatus for a wet scrubbing process according to claim 5, wherein: the sodium-alkali solution supply system comprises a NaOH storage tank, a NaOH dilution pump, a NaOH dilution tank and a NaOH supply pump, wherein the inlet end of the NaOH dilution pump is communicated with the NaOH storage tank, the outlet end of the NaOH dilution pump is communicated with the NaOH dilution tank, the inlet end of the NaOH supply pump is communicated with the NaOH dilution tank, and the outlet end of the NaOH supply pump is communicated with the inlet end of the desuperheating water pump.
8. The flue gas purification apparatus for a wet scrubbing process according to claim 7, wherein: the outlet end of the process water pump is communicated with the NaOH diluting tank through a pipeline, and a valve is arranged in the pipeline.
9. The flue gas purification apparatus for a wet scrubbing process according to claim 7, wherein: the outlet end of the NaOH supply pump is communicated with the inlet end of the temperature-reducing water pump through a pipeline, and a valve is arranged in the pipeline.
10. The flue gas purification apparatus for a wet scrubbing process according to claim 7, wherein: and the outlet end of the NaOH supply pump is communicated with the cooling water pump through a pipeline, and a valve is arranged in the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395903.2U CN215962938U (en) | 2021-09-30 | 2021-09-30 | Flue gas purification equipment for wet-type washing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122395903.2U CN215962938U (en) | 2021-09-30 | 2021-09-30 | Flue gas purification equipment for wet-type washing process |
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| CN215962938U true CN215962938U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122395903.2U Active CN215962938U (en) | 2021-09-30 | 2021-09-30 | Flue gas purification equipment for wet-type washing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085458A (en) * | 2023-10-20 | 2023-11-21 | 中国华能集团清洁能源技术研究院有限公司 | Combined purifying tower for flue gas cooling and adsorption |
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2021
- 2021-09-30 CN CN202122395903.2U patent/CN215962938U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117085458A (en) * | 2023-10-20 | 2023-11-21 | 中国华能集团清洁能源技术研究院有限公司 | Combined purifying tower for flue gas cooling and adsorption |
| CN117085458B (en) * | 2023-10-20 | 2024-02-13 | 中国华能集团清洁能源技术研究院有限公司 | Combined purifying tower for flue gas cooling and adsorption |
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