CN212005195U - Condensate collecting and recycling system of steam reforming device - Google Patents

Condensate collecting and recycling system of steam reforming device Download PDF

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Publication number
CN212005195U
CN212005195U CN201922060484.XU CN201922060484U CN212005195U CN 212005195 U CN212005195 U CN 212005195U CN 201922060484 U CN201922060484 U CN 201922060484U CN 212005195 U CN212005195 U CN 212005195U
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China
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shaped water
condensate
pipeline
communicated
collecting tank
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CN201922060484.XU
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Chinese (zh)
Inventor
谢庆勇
章航洲
张少伟
李文钰
冷军
林力
陈波
胥箫
李娟�
何子昂
郭露西
杨静洁
刘蓉江
刘振龙
杨兰菊
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Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co ltd
Nuclear Power Institute of China
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Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co ltd
Nuclear Power Institute of China
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Abstract

The utility model discloses a condensate collecting and recycling system of a steam reforming device, which comprises a fluidized bed; the air inlet end of the fluidized bed is communicated with the steam superheater and the water storage tank in sequence, and the air outlet end of the fluidized bed is communicated with the cyclone separator, the high-temperature filter, the total oxidation furnace, the spray tower and the chimney in sequence; the bottom of the fluidized bed and the bottom of the high-temperature filter are communicated with a condensate collecting tank through pipelines; the condensate collecting tank and the spray tower are both communicated with a spray liquid storage tank, and the bottom of the spray liquid storage tank is communicated with the sewage treatment center through a pipeline; a first U-shaped water sinking section is arranged on a pipeline between the steam superheater and the fluidized bed, a second U-shaped water sinking section is arranged on a pipeline between the cyclone separator and the high-temperature filter, and a third U-shaped water sinking section is arranged on a pipeline between the high-temperature filter and the full-oxidation furnace; the first U-shaped water settling section, the second U-shaped water settling section and the third U-shaped water settling section are all communicated with the condensate collecting tank; and a liquid level sensor is arranged in the condensate collecting tank.

Description

Condensate collecting and recycling system of steam reforming device
Technical Field
The utility model belongs to the technical field of steam reformer, concretely relates to system of recycling is collected to steam reformer condensate.
Background
As the new technology of the radioactive spent resin steam reforming equipment, the whole process is high-temperature steam as a conducting medium, because the water is changed into steam state when the temperature exceeds 120 ℃, but is changed into condensed water, more condensed water is generated when the equipment runs, and moreover, the system is used for treating radioactive organic waste, the condensed water generated in the treatment process also carries certain radioactive substances, so that the radioactive organic waste cannot be discharged at will, and even if the discharged radioactive organic waste is discharged, the discharged radioactive organic waste must be discharged after treatment. If the condensed water is collected or treated without any means, the condensed water can be stored in the system, and the condensed water has great influence on key equipment in the system and also has influence on the operation efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steam reformer condensate collects system of recycling to the aforesaid is not enough among the prior art to solve or improve foretell problem.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a steam reformer condensate collection and reuse system comprising a fluidized bed; the air inlet end of the fluidized bed is communicated with the steam superheater and the water storage tank in sequence, and the air outlet end of the fluidized bed is communicated with the cyclone separator, the high-temperature filter, the total oxidation furnace, the spray tower and the chimney in sequence;
the bottom of the fluidized bed and the bottom of the high-temperature filter are communicated with a condensate collecting tank through pipelines; the condensate collecting tank and the spray tower are both communicated with a spray liquid storage tank, and the bottom of the spray liquid storage tank is communicated with the sewage treatment center through a pipeline;
a first U-shaped water sinking section is arranged on a pipeline between the steam superheater and the fluidized bed, a second U-shaped water sinking section is arranged on a pipeline between the cyclone separator and the high-temperature filter, and a third U-shaped water sinking section is arranged on a pipeline between the high-temperature filter and the full-oxidation furnace; the first U-shaped water settling section, the second U-shaped water settling section and the third U-shaped water settling section are all communicated with the condensate collecting tank; and a liquid level sensor is arranged in the condensate collecting tank.
Preferably, the pipelines between the first U-shaped water settling section, the second U-shaped water settling section and the condensate collecting tank are all provided with regulating valves.
Preferably, a drain valve is arranged on a pipeline between the condensate collecting tank and the spraying liquid storage tank.
Preferably, a vacuum pump is installed on the pipeline between the gas-liquid separator and the chimney.
Preferably, the level sensor is a drop-in intelligent level transmitter PCM 266.
Preferably, the blowdown valve is a PZ44H blowdown valve.
Preferably, the regulating valve is an electronic single-seat regulating valve LDZDL.
Preferably, the pipelines on both sides of the U-shaped submerged pipe are obliquely arranged.
The utility model provides a system of recycling is collected to steam reformer condensate has following beneficial effect:
the utility model discloses according to the intensification characteristics of pipeline, along air current mainstream direction in the pipeline, set up the collection time and collect the condensate in relevant pipeline and equipment to the later stage that is used for waste gas with the condensate of collecting sprays the processing, cyclic utilization condensate reduces the condensate when to the equipment harm, and the utilization to it of very big degree.
Drawings
FIG. 1 is a block diagram of a steam reformer condensate collection and reuse system.
1. A water storage tank; 2. a steam superheater; 3. a fluidized bed; 4. a cyclone separator; 5. a high temperature filter; 6. a total oxidation furnace; 7. a spray tower; 8. a gas-liquid separator; 9. a chimney; 10. a spray liquid storage tank; 11. collecting and filling condensate; 12. a vacuum pump; 13. a first U-shaped water sinking section; 14. a second U-shaped water sinking section; 15. a third U-shaped water sinking section; 16. adjusting a valve; 17. a liquid level sensor; 18. a blowoff valve.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
According to an embodiment of the application, referring to fig. 1, the condensate collecting and recycling system of the steam reforming device comprises a fluidized bed 3, wherein the gas inlet end of the fluidized bed 3 is sequentially communicated with a steam superheater 2 and a water storage tank 1, and the gas outlet end of the fluidized bed 3 is sequentially communicated with a cyclone separator 4, a high-temperature filter 5, a full oxidation furnace 6, a spray tower 7 and a chimney 9.
The bottom of the fluidized bed 3 and the bottom of the high-temperature filter 5 are communicated with a condensate collecting tank 11 through pipelines, the condensate collecting tank 11 and the spray tower 7 are communicated with a spray liquid storage tank 10, and the bottom of the spray liquid storage tank 10 is communicated with a sewage treatment center through a pipeline.
The condensate in the fluidized bed 3 and the high-temperature filter 5 can be led into the condensate collecting tank 11 through pipelines, and the condensate in the condensate collecting tank 11 can provide water for the spray tower 7, so that the condensate can be recycled.
A first U-shaped submerged section 13 is arranged on a pipeline between the steam superheater 2 and the fluidized bed 3, a second U-shaped submerged section 14 is arranged on a pipeline between the cyclone separator 4 and the high-temperature filter 5, a third U-shaped submerged section 15 is arranged on a pipeline between the high-temperature filter 5 and the full-oxidation furnace 6, and the first U-shaped submerged section 13, the second U-shaped submerged section 14 and the third U-shaped submerged section 15 are all communicated with the condensate collecting tank 11; the pipelines at two sides of the U-shaped submerged pipe should have certain inclination, so that condensate of the pipelines at two sides can flow to the U-shaped submerged pipe under the condition of the self-gravity flow principle.
Besides, a liquid level sensor 17 is arranged in the condensate collecting tank 11 and used for detecting the liquid level of the condensate in the condensate collecting tank in real time, and when the liquid level reaches an upper limit value, the condensate is guided into the spraying liquid storage tank 10 to be recycled.
And regulating valves 16 are respectively arranged on the pipelines between the first U-shaped sinking section 13, the second U-shaped sinking section 14 and the third U-shaped sinking section 15 and the condensate collecting tank 11, and the regulating valves 16 are used for controlling and regulating the flow of the condensate in the pipeline.
A drain valve 18 is arranged on a pipeline between the condensate collecting tank 11 and the spray liquid storage tank 10 and is used for controlling the flow of the condensate led into the spray liquid storage tank 10.
A vacuum pump 12 is arranged on a pipeline between the gas-liquid separator 8 and the chimney 9, and the flue gas is discharged through the vacuum pump 12.
Wherein, the liquid level sensor 17 is a drop-in intelligent liquid level transmitter PCM 266; the blowdown valve 18 is a PZ44H blowdown valve 18; the regulating valve 16 is an electronic single seat regulating valve LDZDL.
The utility model discloses a theory of operation does:
the condensed water is the largest when the system is started and stopped, when the system is started, the whole pipeline is in a normal temperature state, the pipeline is slowly heated to more than 120 ℃ from the normal temperature in a steam preheating stage, in the process, mainly steam is cooled to become the condensed water, if the condensed water is not discharged in time, the condensed water is remained in the pipeline for a long time, and when a certain amount of the condensed water is reached, the condensed water flows to some key equipment such as a high-precision filter, so that the filtering precision and the service life are influenced, the temperature rising speed of the pipeline is reduced due to the existence of the condensed water, the startup preheating time is prolonged, the energy consumption is increased, and meanwhile, the idle work time of the equipment is prolonged. The condensate produced must be removed without the entire line reaching 120 c.
After the operation starts, all condensate collecting pipelines are controlled by the regulating valve 16 and are discharged at regular time, after the operation starts, the pipeline temperature is discharged at 60 ℃, the temperature is raised to 20 ℃ for one time, the temperature is up to more than 150 ℃, the liquid discharging time is not more than ten seconds, the liquid discharging sequence is discharged one by one according to the gas flow direction of the main pipeline, the discharged condensate flows to the condensate collecting tank for storage, when the level of the condensate collecting tank reaches the upper limit value, the information is fed back to the blow-down valve 18 through the liquid level sensor 17, and the condensate is discharged to the spray liquid storage tank 10.
The liquid of the spray liquid storage tank 10 mainly provides cooling water for the spray tower 7, after washing for a certain time, the liquid is discharged to a sewage treatment center for treatment, condensate enters the storage tank of the spray tower 7 and does not have any influence on the spray effect, and the condensate can be discharged to the sewage treatment center along with the spray liquid for treatment.
The utility model discloses adopted this system in 1KG steam reforming is experimental, through experimental satisfying the requirement completely, experimental data as follows:
before and after the collection of the condensed water is set, due to the influence of the condensed water, the time for the pipeline to reach the set temperature after the startup is reduced to 1 hour from the original 2 hours, and the heating efficiency is doubled, so that the energy consumption of the steam generator is doubled;
before the condensation collection is not arranged originally, the condensed water is not discharged in time after the gas passes through the high-temperature filter 5, and the high-temperature filter is disassembled to find that the high-temperature filter is obviously rotten and the filtering surface is sticky (formed by mixing liquid and particles in the gas), so that the filtering precision, the efficiency and the service life of the high-temperature filter 5 are greatly reduced. After the condensation collection is set, the high-temperature filter 5 is disassembled for inspection, and no abnormality exists on the surface.
The utility model discloses according to the intensification characteristics of pipeline, along air current mainstream direction in the pipeline, set up the collection time and collect the condensate in relevant pipeline and equipment to the later stage that is used for waste gas with the condensate of collecting sprays the processing, cyclic utilization condensate reduces the condensate when to the equipment harm, and the utilization to it of very big degree.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims (7)

1. A steam reformer condensate collection and reuse system characterized in that: comprises a fluidized bed; the air inlet end of the fluidized bed is sequentially communicated with the steam superheater and the water storage tank, and the air outlet end of the fluidized bed is sequentially communicated with the cyclone separator, the high-temperature filter, the total oxidation furnace, the spray tower and the chimney; a vacuum pump is arranged on a pipeline between the gas-liquid separator and the chimney;
the bottom of the fluidized bed and the bottom of the high-temperature filter are communicated with a condensate collecting tank through pipelines; the condensate collecting tank and the spray tower are both communicated with a spray liquid storage tank, and the bottom of the spray liquid storage tank is communicated with the sewage treatment center through a pipeline;
a first U-shaped water sinking section is arranged on a pipeline between the steam superheater and the fluidized bed, a second U-shaped water sinking section is arranged on a pipeline between the cyclone separator and the high-temperature filter, and a third U-shaped water sinking section is arranged on a pipeline between the high-temperature filter and the full-oxidation furnace; the first U-shaped water settling section, the second U-shaped water settling section and the third U-shaped water settling section are all communicated with the condensate collecting tank; and a liquid level sensor is arranged in the condensate collecting tank.
2. The steam reformer condensate collection and reuse system of claim 1, wherein: and regulating valves are arranged on the pipelines between the first U-shaped water settling section, the second U-shaped water settling section and the condensate collecting tank, as well as the pipelines between the third U-shaped water settling section and the condensate collecting tank.
3. The steam reformer condensate collection and reuse system of claim 1, wherein: and a drain valve is arranged on a pipeline between the condensate collecting tank and the spraying liquid storage tank.
4. The steam reformer condensate collection and reuse system of claim 1, wherein: the liquid level sensor is a drop-in intelligent liquid level transmitter PCM 266.
5. The steam reformer condensate collection and reuse system of claim 3, wherein: the blowdown valve is a PZ44H blowdown valve.
6. The steam reformer condensate collection and reuse system of claim 2, wherein: the regulating valve is an electronic single-seat regulating valve LDZDL.
7. The steam reformer condensate collection and reuse system of claim 1, wherein: and pipelines on two sides of the first U-shaped water sinking section, the second U-shaped water sinking section and the third U-shaped water sinking section are obliquely arranged.
CN201922060484.XU 2019-11-25 2019-11-25 Condensate collecting and recycling system of steam reforming device Active CN212005195U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922060484.XU CN212005195U (en) 2019-11-25 2019-11-25 Condensate collecting and recycling system of steam reforming device

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Application Number Priority Date Filing Date Title
CN201922060484.XU CN212005195U (en) 2019-11-25 2019-11-25 Condensate collecting and recycling system of steam reforming device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748799A (en) * 2019-11-25 2020-02-04 成都天保节能环保工程有限公司 Condensate collecting and recycling system of steam reforming device and process method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748799A (en) * 2019-11-25 2020-02-04 成都天保节能环保工程有限公司 Condensate collecting and recycling system of steam reforming device and process method thereof

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