CN221230296U - Ammonia collection device for urea dissolution area in power plant - Google Patents
Ammonia collection device for urea dissolution area in power plant Download PDFInfo
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- CN221230296U CN221230296U CN202323160929.4U CN202323160929U CN221230296U CN 221230296 U CN221230296 U CN 221230296U CN 202323160929 U CN202323160929 U CN 202323160929U CN 221230296 U CN221230296 U CN 221230296U
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Abstract
本申请涉及气体净化技术领域，尤其涉及一种电厂尿素溶解区氨气收集装置，包括喷淋塔、与喷淋塔相连接的吸附塔以及吸附塔上连接的集气罩，所述集气罩与所述吸附塔之间设置有吸风机，所述喷淋塔内底部装有储液仓，所述喷淋塔内安装有喷头，所述储液仓与所述喷头之间通过导管相连接，所述喷淋塔顶端安装有除雾器。因此，通过一种电厂尿素溶解区氨气收集装置解决现有尿素溶解区内氨气逸散造成环境污染以及导致氨气中毒的问题。
The present application relates to the field of gas purification technology, and in particular to an ammonia collection device in a urea dissolution zone of a power plant, comprising a spray tower, an adsorption tower connected to the spray tower, and a gas collecting hood connected to the adsorption tower, a suction fan is arranged between the gas collecting hood and the adsorption tower, a liquid storage tank is arranged at the bottom of the spray tower, a nozzle is arranged in the spray tower, the liquid storage tank and the nozzle are connected by a conduit, and a demister is arranged at the top of the spray tower. Therefore, an ammonia collection device in a urea dissolution zone of a power plant is used to solve the problems of environmental pollution and ammonia poisoning caused by the escape of ammonia in the existing urea dissolution zone.
Description
Technical Field
The application relates to the technical field of gas purification, in particular to an ammonia treatment device for a urea dissolving zone of a power plant.
Background
In order to make NO X in the flue gas emission qualified, a denitration System (SCR) is arranged in a tail flue of the domestic power plant. At present, two types of denitration modes are adopted in part of power plants, a liquid ammonia tank is required to be arranged on a factory, and because liquid ammonia is a toxic inflammable and explosive substance, the liquid ammonia is a serious hazard source, and is used for responding to national safety production calls, the part of power plants reforms a liquid ammonia denitration system and adopts urea to dissolve to prepare ammonia for denitration.
Because there is the possibility that ammonia gas escapes in the urea dissolving zone, such as a tank, a pit, equipment, raw materials and the like, the ammonia gas in the area has a great smell, so that the ammonia gas can cause great harm to human bodies, and the ammonia gas escapes to pollute the environment, and a device for collecting the ammonia gas in the urea dissolving zone of the power plant is designed according to the situation.
Disclosure of utility model
The utility model aims to solve the technical problems of environmental pollution and ammonia poisoning caused by ammonia dissipation in the existing urea dissolving zone.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a power plant urea dissolves district ammonia collection device, includes the spray column, the adsorption tower that is connected with the spray column and the gas collecting channel who is connected on the adsorption tower, the gas collecting channel with be provided with the suction fan between the adsorption tower, the stock solution storehouse is equipped with in the spray column, be provided with phosphoric acid solution in the stock solution storehouse, install the shower nozzle in the spray column, the stock solution storehouse with be connected through the pipe between the shower nozzle, the defroster is installed to the spray column top.
In a specific implementation manner, at least one gas collecting hood and at least one suction fan are arranged, the gas collecting hood, the suction fan and the adsorption tower are connected through a pipeline, and the spray tower is connected with the adsorption tower through a pipeline.
In a specific implementation manner, the gas collecting hood is communicated with the pipeline through a telescopic hose, and the joint of the telescopic hose and the pipeline is connected through a flange.
In a specific embodiment, the inlet end diameter of the gas-collecting channel is greater than the outlet end diameter.
In a specific embodiment, at least one exhaust hole is provided, and the conduit is provided with a circulation pump.
In a specific embodiment, the demister comprises a shell arranged on the inner part of the spray tower and folded plates arranged in the shell, at least one folded plate is arranged on the shell through bolts, folded flow channels are formed between the folded plates, and demisting nets are arranged in the folded flow channels.
In a specific embodiment, the spray head is located between the sump and the mist eliminator.
The utility model has the positive effects that:
Through the combined design of spray column, adsorption tower, gas collecting channel and suction fan, can inhale and handle ammonia effectively, improve ammonia treatment efficiency greatly. The spray head in the spray tower can uniformly spray the phosphoric acid solution in the liquid storage bin on harmful gases such as ammonia gas and the like, so that the harmful gases are fully dissolved, and the subsequent treatment and absorption are facilitated.
The demister at the top end of the spray tower can effectively remove mist and dust in gas, and is beneficial to improving treatment efficiency and protecting environment. The gas collecting hood is communicated with the pipeline through the telescopic hose, so that the installation and maintenance of equipment are facilitated, and meanwhile, the gas collecting hood can adapt to pipelines with different sizes. The guide pipe is provided with the circulating pump, so that the phosphoric acid solution in the liquid storage bin can be recycled, and the use efficiency of the phosphoric acid solution is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged view of the structure of embodiment A of the present utility model;
FIG. 3 is a schematic view of a demister according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a gas collecting hood according to an embodiment of the present utility model;
reference numerals
1. A spray tower; 2. an adsorption tower; 3. a gas collecting hood; 4. a suction fan; 5. a liquid storage bin; 6. a spray head; 7. a conduit; 8. a demister; 9. a circulation pump; 10. a pipe; 11. a flexible hose; 12. folding plates; 13. a defogging net; 14. a housing.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
The utility model provides a power plant urea dissolves district ammonia collection device, includes spray column 1, the adsorption tower 2 that is connected with spray column 1 and the gas collecting channel 3 of being connected on the adsorption tower 2, the gas collecting channel 3 with be provided with suction fan 4 between the adsorption tower 2, stock solution storehouse 5 is equipped with to spray column 1 inner bottom, is equipped with the phosphoric acid solution in stock solution storehouse 5.
Install shower nozzle 6 in the spray column 1, stock solution storehouse 5 with be connected through pipe 7 between the shower nozzle 6, shower nozzle 6 can evenly spray the phosphoric acid solution in the stock solution storehouse 5 on harmful gas such as ammonia, makes it fully dissolve, is favorable to subsequent treatment and absorption, defroster 8 is installed on spray column 1 top.
The gas collecting hood 3 and the suction fan 4 are at least one, the gas collecting hood 3, the suction fan 4 and the adsorption tower 2 are communicated through a pipeline 10, and the spray tower 1 and the adsorption tower 2 are communicated through a pipeline 10.
The gas collecting hood 3 is communicated with the pipeline 10 through a telescopic hose 11, and the joint of the telescopic hose 11 and the pipeline 10 is connected through a flange.
The diameter of the air inlet end of the air collecting hood 3 is larger than that of the air outlet end.
At least one exhaust hole is arranged, and a circulating pump 9 is arranged on the guide pipe 7.
The spray head 6 is positioned between the liquid storage bin 5 and the demister 8.
Due to the fact that the suction fan 4 is arranged between the gas collecting hood 3 and the adsorption tower 2, harmful gases such as ammonia gas and the like can be effectively sucked into the adsorption tower 2, and then are conveyed to the spray tower 1 for further treatment through the guide pipe 7, and ammonia gas treatment efficiency is greatly improved.
The gas collecting hood 3 is communicated with the pipeline 10 through the telescopic hose 11, so that equipment is convenient to install and maintain, and meanwhile, the gas collecting hood can adapt to pipelines 10 with different sizes.
The guide pipe 7 is provided with the circulating pump 9, so that urea solution in the liquid storage bin 5 can be recycled, and the use efficiency of phosphoric acid solution is improved.
Example 2
The utility model provides a power plant urea dissolves district ammonia collection device, includes spray column 1, the adsorption tower 2 that is connected with spray column 1 and the gas collecting channel 3 that is connected on the adsorption tower 2, gas collecting channel 3 with be provided with suction fan 4 between the adsorption tower 2, liquid storage bin 5 is equipped with to the bottom in spray column 1, install shower nozzle 6 in the spray column 1, liquid storage bin 5 with be connected through pipe 7 between the shower nozzle 6, defroster 8 is installed on spray column 1 top.
The demister 8 comprises a shell 14 arranged on the inside of the spray tower 1 and folded plates 12 arranged in the shell 14, at least one folded plate 12 is arranged, the folded plates 12 are arranged on the shell 14 through bolts, folded flow channels are formed between the folded plates 12, and demisting nets 13 are arranged in the folded flow channels.
The demister 8 is an important part of the collecting device, and can effectively remove mist and dust in the gas coming out from the top end of the spray tower 1. Through the design of the folded plate 12, mist and dust can be filtered out by the demisting net 13 when gas flows through the folded flow channel, so that a better demisting effect is achieved.
The demister 8 is simple in structure and convenient to install and maintain. The folded plate 12 is connected with the shell 14 through bolts, so that the demister 8 is more convenient to assemble and disassemble, and meanwhile, the later cleaning convenience of the demister 8 is improved.
The demister 8 is compact in design, occupies a small space, and can effectively utilize space resources. Through high-efficient defogging and dust treatment, can reduce the pollution to the environment, have fine environmental protection benefit.
The device adopts high-efficiency treatment equipment such as the spray tower 1, the adsorption tower 2 and the like, can greatly reduce the use amount and the discharge amount of chemical substances, and is beneficial to energy conservation, emission reduction and environmental protection. The device has simple structure, easy manufacture and maintenance, and higher safety and reliability.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323160929.4U CN221230296U (en) | 2023-11-22 | 2023-11-22 | Ammonia collection device for urea dissolution area in power plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323160929.4U CN221230296U (en) | 2023-11-22 | 2023-11-22 | Ammonia collection device for urea dissolution area in power plant |
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| CN221230296U true CN221230296U (en) | 2024-06-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119909502A (en) * | 2025-03-31 | 2025-05-02 | 南京悦迪环保工程有限公司 | An ammonia absorption tower for ammonium chloride evaporation and crystallization |
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2023
- 2023-11-22 CN CN202323160929.4U patent/CN221230296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119909502A (en) * | 2025-03-31 | 2025-05-02 | 南京悦迪环保工程有限公司 | An ammonia absorption tower for ammonium chloride evaporation and crystallization |
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