CN213965236U - Flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device - Google Patents
Flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device Download PDFInfo
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- CN213965236U CN213965236U CN202022132172.8U CN202022132172U CN213965236U CN 213965236 U CN213965236 U CN 213965236U CN 202022132172 U CN202022132172 U CN 202022132172U CN 213965236 U CN213965236 U CN 213965236U
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- ammonium sulfate
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- evaporative crystallizer
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Abstract
The utility model discloses a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device, including ammonium sulfate evaporative crystallizer, the side of ammonium sulfate evaporative crystallizer is provided with the bypass pipeline, the top side of bypass pipeline's upper portion is linked together through pipeline and ammonium sulfate evaporative crystallizer, the bottom side of bypass pipeline's lower part is linked together through pipeline and ammonium sulfate evaporative crystallizer, the top of bypass pipeline is provided with waveguide radar level sensor, the bottom of bypass pipeline is provided with the root valve, the highest liquid level of ammonium sulfate evaporative crystallizer is less than, the pipeline that the upper portion and the ammonium sulfate evaporative crystallizer of bypass pipeline link to each other. By arranging the device, the liquid level in the container can be accurately detected, and the measurement signal is remotely transmitted to the central control for display, so that an accurate numerical value is provided for process control; the working efficiency of the ammonium sulfate evaporation crystallizer can be improved, the process control is accurate, the product quality of the evaporation crystallizer is improved, the energy consumption is reduced, and the economic benefit is improved.
Description
Technical Field
The utility model relates to a flue gas treatment field especially relates to a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device.
Background
The ammonium sulfate evaporative crystallizer is used as an important component device of a flue gas desulfurization and denitrification process, is a main place for evaporating, concentrating and crystallizing ammonium sulfate mother liquor, adopts a negative pressure evaporation method, reduces the boiling point of the solution under low pressure, and can evaporate a large amount of water by using less steam, thereby realizing concentration of the ammonium sulfate mother liquor and separating out crystals.
The prior art adopts a negative pressure evaporation method, the ammonium sulfate evaporation crystallizer has the characteristics of good internal sealing performance, low pressure, large liquid fluctuation, coexistence of gas-liquid components at the top of a tank body, easy attachment of crystals on the wall of the tank and the like, a large error exists in direct measurement by adopting a differential pressure liquid level transmitter and an ultrasonic liquid level meter, a measurement pipeline of the magnetic turning plate liquid level meter is easy to block, and accurate monitoring of the liquid level in the crystallizer cannot be met, so that the technological processes of liquid supplement, evaporation, liquid discharge and the like of the crystallizer are influenced.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that above-mentioned exists, a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device is provided, for reducing the internal portion interference of ammonium sulfate evaporative crystallizer jar, through installing the bypass pipeline on the crystallizer, utilize the guided wave radar level gauge to measure the liquid in the bypass pipeline simultaneously, and reach remote central accuse demonstration with measured signal, provide accurate numerical value for process control, and simultaneously, to the guide wave pole crystallization that guided wave radar level gauge probably exists, regularly wash according to the technological condition, prolong instrumentation's live time.
The utility model adopts the technical scheme as follows:
the utility model provides a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device, includes ammonium sulfate evaporative crystallizer, the side of ammonium sulfate evaporative crystallizer is provided with the bypass pipeline, the top side that pipeline and ammonium sulfate evaporative crystallizer are passed through to the upper portion of bypass pipeline is linked together, the lower part of bypass pipeline is passed through the pipeline and is linked together with the bottom side of ammonium sulfate evaporative crystallizer, the top of bypass pipeline is provided with waveguide radar level sensor, the bottom of bypass pipeline is provided with the root valve, the highest liquid level of ammonium sulfate evaporative crystallizer is less than, the pipeline that the upper portion and the ammonium sulfate evaporative crystallizer of bypass pipeline link to each other.
Further, the utility model discloses a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device's preferred mechanism, waveguide radar level sensor is connected with well accuse platform through communication device.
Furthermore, a top connecting valve is arranged on a pipeline connecting the upper part of the bypass pipeline and the ammonium sulfate evaporative crystallizer, and a bottom connecting valve is arranged on a pipeline connecting the lower part of the bypass pipeline and the side face of the bottom of the ammonium sulfate evaporative crystallizer.
Furthermore, a flange plate is arranged at the top of the bypass pipeline, and the waveguide radar liquid level sensor is communicated with the bypass pipeline through the flange plate.
Further, the maximum normal working temperature of the waveguide radar liquid level sensor is greater than 80 ℃.
Furthermore, an ammonium sulfate mother liquor outlet is formed in the side face of the middle of the ammonium sulfate evaporation crystallizer, a heater is connected to the bottom of the ammonium sulfate evaporation crystallizer, and a heat insulation layer is arranged on the side wall of the ammonium sulfate evaporation crystallizer.
Further, a liquid inlet of the heater is provided with an ammonium sulfate mother liquid inlet, and a liquid outlet of the heater is connected with the bottom of the ammonium sulfate evaporative crystallizer.
Further, the heater is a steam heater, the heater is provided with a steam outlet and a steam inlet, and the steam inlet is connected with a high-temperature high-pressure steam source.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. through setting up this device, can be accurate must detect the liquid level in the container, improve liquid level measurement's accuracy and efficiency.
2. By arranging the device, the liquid in the bypass pipeline is measured by using the guided wave radar liquid level meter, and a measurement signal is remotely transmitted to a central control to be displayed, so that an accurate numerical value is provided for process control;
3. by arranging the device, the working efficiency of the ammonium sulfate evaporative crystallizer can be improved, the process control is accurate, the product quality of the evaporative crystallizer is improved, the energy consumption is reduced, and the economic benefit is improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
the labels in the figure are: the device comprises a waveguide radar liquid level sensor 1, a bypass pipeline 2, a root valve 3, a top connecting valve 4, a bottom connecting valve 5, an ammonium sulfate evaporative crystallizer 6, a heater 7, an ammonium sulfate mother liquid inlet 8, an ammonium sulfate mother liquid outlet 9, a heat-insulating layer 10, a steam outlet 11 and a steam inlet 12.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in the attached drawing 1, the invention discloses a preferred embodiment of a liquid level monitoring device of a flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer, which comprises an ammonium sulfate evaporative crystallizer 6, wherein a bypass pipeline 2 is arranged on the side surface of the ammonium sulfate evaporative crystallizer 6, the upper part of the bypass pipeline 2 is communicated with the side surface of the top of the ammonium sulfate evaporative crystallizer 6 through a pipeline, and a top connecting valve 4 is arranged on the pipeline connecting the upper part of the bypass pipeline 2 with the ammonium sulfate evaporative crystallizer 6. The lower part of the bypass pipeline 2 is communicated with the bottom side surface of the ammonium sulfate evaporative crystallizer 6 through a pipeline, and a bottom connecting valve 5 is arranged on the pipeline connecting the lower part of the bypass pipeline 2 with the bottom side surface of the ammonium sulfate evaporative crystallizer 6.
The top of bypass pipeline 2 is provided with waveguide radar level sensor 1, the top of bypass pipeline 2 sets up the ring flange, waveguide radar level sensor 1 is linked together through ring flange and bypass pipeline 2. The waveguide radar liquid level sensor 1 is connected with a central control platform through a communication device.
The bottom of the bypass pipeline 2 is provided with a root valve 3, the highest liquid level of the ammonium sulfate evaporative crystallizer 6 is lower than that of the bypass pipeline 2, and the upper part of the bypass pipeline 2 is connected with the ammonium sulfate evaporative crystallizer 6. The maximum normal working temperature of the waveguide radar liquid level sensor 1 is greater than 80 ℃.
The side of the middle part of the ammonium sulfate evaporative crystallizer 6 is provided with an ammonium sulfate mother liquor outlet 9, the bottom of the ammonium sulfate evaporative crystallizer 6 is connected with a heater 7, the side wall of the ammonium sulfate evaporative crystallizer 6 is provided with a heat preservation layer 10, a liquid inlet of the heater 7 is provided with an ammonium sulfate mother liquor inlet 8, and a liquid outlet of the heater 7 is connected with the bottom of the ammonium sulfate evaporative crystallizer 6. The heater 7 is a steam heater, the heater 7 is provided with a steam outlet 11 and a steam inlet 12, and the steam inlet 12 is connected with a high-temperature high-pressure steam source.
The working parts of the bypass pipeline 2, the root valve 3, the top connecting valve 4, the bottom connecting valve 5 and the waveguide radar liquid level sensor 1 are all made of acid corrosion resistant materials.
In the specific operation process, when the ammonium sulfate evaporative crystallizer 6 is full of liquid. When the liquid level height in the ammonium sulfate evaporative crystallizer 6 needs to be detected, the top connecting valve 4 and the bottom connecting valve 5 are opened, the root valve 3 is closed, and the waveguide radar liquid level sensor 1 is started. Because the ammonium sulfate evaporative crystallizer 6 and the bypass pipeline 2 form a communicating vessel, the liquid level height of the bypass pipeline 2 is the same as that of the ammonium sulfate evaporative crystallizer 6, and the pipe diameter of the bypass pipeline 2 is small and is not easily influenced by liquid fluctuation, so that the measurement is accurate.
The waveguide radar liquid level sensor 1 displays the measured liquid level data and can transmit the liquid level data to the central control platform through communication equipment.
When needing to wash, close top connecting valve 4, bottom connecting valve 5, open root valve 3 and make things convenient for liquid to get into bypass pipeline 2, wash bypass pipeline 2. The waveguide radar level sensor 1 can be easily disassembled from the flange for cleaning and maintenance.
Therefore, by arranging the device, the liquid level in the container can be accurately detected, and the accuracy and the efficiency of liquid level measurement are improved; the method comprises the following steps of measuring liquid in a bypass pipeline by using a guided wave radar liquid level meter, and remotely transmitting a measurement signal to a central control for display, so as to provide an accurate numerical value for process control; the working efficiency of the ammonium sulfate evaporation crystallizer can be improved, the process control is accurate, the product quality of the evaporation crystallizer is improved, the energy consumption is reduced, and the economic benefit is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device which characterized in that: including ammonium sulfate evaporation crystallizer (6), the side of ammonium sulfate evaporation crystallizer (6) is provided with bypass pipeline (2), the top side that pipeline and ammonium sulfate evaporation crystallizer (6) are passed through to the upper portion of bypass pipeline (2) is linked together, the bottom side that pipeline and ammonium sulfate evaporation crystallizer (6) are passed through to the lower part of bypass pipeline (2) is linked together, the top of bypass pipeline (2) is provided with waveguide radar level sensor (1), the bottom of bypass pipeline (2) is provided with root valve (3), the highest liquid level of ammonium sulfate evaporation crystallizer (6) is less than, the pipeline that the upper portion and ammonium sulfate evaporation crystallizer (6) of bypass pipeline (2) link to each other.
2. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer of claim 1, wherein: the waveguide radar liquid level sensor (1) is connected with a central control platform through a communication device.
3. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer, as recited in claim 2, wherein: a top connecting valve (4) is arranged on a pipeline connecting the upper part of the bypass pipeline (2) with the ammonium sulfate evaporative crystallizer (6), and a bottom connecting valve (5) is arranged on a pipeline connecting the lower part of the bypass pipeline (2) with the bottom side surface of the ammonium sulfate evaporative crystallizer (6).
4. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer of claim 3, wherein: and a flange plate is arranged at the top of the bypass pipeline (2), and the waveguide radar liquid level sensor (1) is communicated with the bypass pipeline (2) through the flange plate.
5. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer of claim 4, wherein: the maximum normal working temperature of the waveguide radar liquid level sensor (1) is greater than 80 ℃.
6. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer as claimed in any one of claims 1 to 5, wherein: an ammonium sulfate mother liquor outlet (9) is formed in the side face of the middle of the ammonium sulfate evaporation crystallizer (6), a heater (7) is connected to the bottom of the ammonium sulfate evaporation crystallizer (6), and a heat preservation layer (10) is arranged on the side wall of the ammonium sulfate evaporation crystallizer (6).
7. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer of claim 6, wherein: the liquid inlet of the heater (7) is provided with an ammonium sulfate mother liquid inlet (8), and the liquid outlet of the heater (7) is connected with the bottom of the ammonium sulfate evaporative crystallizer (6).
8. The liquid level monitoring device for the flue gas desulfurization and denitrification ammonium sulfate evaporative crystallizer of claim 7, wherein: the heater (7) is a steam heater, the heater (7) is provided with a steam outlet (11) and a steam inlet (12), and the steam inlet (12) is connected with a high-temperature high-pressure steam source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132172.8U CN213965236U (en) | 2020-09-25 | 2020-09-25 | Flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132172.8U CN213965236U (en) | 2020-09-25 | 2020-09-25 | Flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device |
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| Publication Number | Publication Date |
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| CN213965236U true CN213965236U (en) | 2021-08-17 |
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| CN202022132172.8U Active CN213965236U (en) | 2020-09-25 | 2020-09-25 | Flue gas desulfurization denitration ammonium sulfate evaporative crystallizer liquid level monitoring device |
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| CN (1) | CN213965236U (en) |
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