CN210787183U - Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant - Google Patents
Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant Download PDFInfo
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- CN210787183U CN210787183U CN201921304498.5U CN201921304498U CN210787183U CN 210787183 U CN210787183 U CN 210787183U CN 201921304498 U CN201921304498 U CN 201921304498U CN 210787183 U CN210787183 U CN 210787183U
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Abstract
The utility model relates to a dispensing device of thermal power factory steam medicine aqueous ammonia utilizes the ammonia very easily to dissolve in the characteristics of water, provides the ammonia to the dispensing jar through ammonia import pipeline, adopts the ammonia to prepare the aqueous ammonia, reduces the cost of labor, makes the liquid ammonia nearly 60-70% than finished product aqueous ammonia cost is cheap, greatly reduces manufacturing cost; the dispensing tank is provided with a liquid level meter and a conductance meter, and the preparation of the ammonia water with specific concentration can be completed by controlling the liquid level and the solution conductance of the dispensing tank, so that the operation is simple and the popularization and the application are easy; the concentration of the mode control aqueous ammonia through control ammonia admission volume usually when prior art prepares the aqueous ammonia, but the aqueous ammonia of specific concentration can't be prepared under the complicated and ammonia leakage condition of pipeline, the utility model discloses a control solution conductance reaches the purpose of control aqueous ammonia concentration for aqueous ammonia concentration is joined in marriage and is made more accurately, is provided with the ammonia absorption tank, and when the electric conductance table trouble, excessive ammonia can escape to the ammonia absorption tank, reduces safe in utilization risk, safety ring protects.
Description
Technical Field
The utility model relates to a thermal power factory steam adds medicine aqueous ammonia and prepares technical field, concretely relates to thermal power factory steam adds medicine dispensing device of medicine aqueous ammonia.
Background
Ammonia is a colorless gas with a strong pungent odor. The ammonia gas is very easy to liquefy, and is cooled to minus 33.5 ℃ under normal pressure or pressurized to 700-800 KPa under normal temperature, and the gaseous ammonia is liquefied into colorless liquid. Liquid ammonia can be gasified by heating or reducing pressure, and a large amount of heat (1187.2 kj/kg at 20 ℃) is absorbed during gasification. Ammonia is very soluble in water, 700 times of ammonia can be dissolved in 1 volume of water at normal temperature and normal pressure, and huge heat (764.1 kj/kg of liquid ammonia) is released when the ammonia is dissolved in water. Aqueous solutions of ammonia are commonly referred to as ammonia. The concentration of the commercial industrial ammonia water is 25-28%. The ammonia water is alkalescent and can be widely applied to the industries of chemical engineering, chemical fertilizers and the like. The method is mainly used for neutralizing acid or absorbing tail gas containing acid gas in chemical industry, and the using amount is large. Sometimes, the concentration of the commercial ammonia water does not meet the use requirement, and diluted ammonia water is required to be prepared when the ammonia water is used.
In the prior art, a water vapor system is prepared by using finished ammonia water to add the required ammonia solution, a finished ammonia water bucket with the volume of nearly 200Kg needs to be transported, the risk of ammonia water leakage exists in the transporting process, and the workload and the safety risk of auxiliary control personnel are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, the medicine dispensing device of thermal power factory steam that easily operates adds medicine aqueous ammonia to prior art's not enough.
In order to realize the purpose, the utility model discloses a technical scheme as follows: a dispensing device for adding ammonia water into water vapor of a thermal power plant comprises a dispensing tank, wherein the dispensing tank is provided with an ammonia gas inlet pipeline for supplying ammonia gas to the dispensing tank, the ammonia gas inlet pipeline is provided with an electric ammonia gas valve, the dispensing tank is provided with a first water inlet pipe for supplying water to the dispensing tank, the first water inlet pipe is provided with an electric water inlet valve, the dispensing tank is provided with a liquid level meter for measuring the liquid level height in the dispensing tank, the dispensing tank is provided with a conductance meter for measuring the conductance of the solution in the dispensing tank, the bottom of the dispensing tank is provided with a first liquid discharge port, the first liquid discharge port is provided with a valve, the upper end of the dispensing tank is provided with an air guide pipe, the dispensing tank is communicated with an ammonia gas absorption groove through the air guide pipe, and the air guide pipe is provided with the valve, the ammonia absorption tank is provided with a second inlet pipe, the second inlet pipe is used for supplying water to the ammonia absorption tank, the bottom of the ammonia absorption tank is provided with a second liquid discharge port, a valve is arranged on the second liquid discharge port, an exhaust pipe is arranged at the top of the ammonia absorption tank, and the exhaust pipe is used for discharging excessive ammonia in the ammonia absorption tank.
Further, still include aqueous ammonia control module that dispenses, the signal output part and the aqueous ammonia control module electric connection that dispenses of level gauge, aqueous ammonia control module and electric water intaking valve connection that dispenses, the signal output part and the aqueous ammonia control module electric connection that dispenses of conductance table, aqueous ammonia control module and electric ammonia valve connection that dispenses.
Furthermore, a manual ammonia valve is further arranged on the ammonia inlet pipeline, and a manual water inlet valve is further arranged on the first water inlet pipe.
Further, the dispensing cans are more than two.
Further, the dispensing tank is provided with a stirrer.
Further, the ammonia gas leakage monitoring instrument is also included.
Further, the ammonia leakage monitoring instrument is installed at the position of the air outlet of the exhaust pipe.
Further, a sewage discharge pipe is arranged on the ammonia gas inlet pipeline.
The utility model relates to a dispensing device for adding medicine ammonia water into water vapor of a thermal power plant, which utilizes the characteristic that ammonia gas is very easy to dissolve in water, provides ammonia gas to a dispensing tank through an ammonia gas inlet pipeline, adopts ammonia gas to prepare ammonia water, directly adopts pipeline transportation, reduces labor cost, makes the cost of liquid ammonia be about 60-70% lower than that of finished ammonia water, and greatly reduces production cost; the dispensing tank is provided with a liquid level meter and a conductance meter, and the preparation of the ammonia water with specific concentration can be completed by controlling the liquid level and the solution conductance of the dispensing tank, so that the operation is simple and the popularization and the application are easy; the ammonia water concentration control method has the advantages that the ammonia gas absorption tank is arranged, when a conductivity meter fails, excessive ammonia gas can escape to the ammonia gas absorption tank, the use safety risk is reduced, and the ammonia water concentration control method is safe and environment-friendly.
The utility model relates to a dispensing device for adding the water vapor into the ammonia water in a thermal power plant, which has a plurality of dispensing tanks and high ammonia water preparation efficiency; the stirrer is arranged, so that ammonia gas can be promoted to be dissolved, and the ammonia water preparation efficiency is high; an ammonia leakage monitoring instrument is arranged, when ammonia leakage reaches 30ppm in the environment, ammonia preparation is stopped, and the safe operation of the device is ensured; be provided with the blow off pipe, when the ammonia pipeline need be overhauld, can carry out the evacuation replacement to the pipeline.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
Referring to fig. 1, a dispensing device for adding medicine ammonia water into water vapor of a thermal power plant comprises two dispensing tanks 1, wherein the dispensing tanks 1 are provided with stirrers 11, the dispensing tanks 1 are provided with ammonia gas inlet pipelines 2, the ammonia gas inlet pipelines 2 are used for providing ammonia gas for the dispensing tanks 1, electric ammonia gas valves 3 are arranged on the ammonia gas inlet pipelines 2, the dispensing tanks 1 are provided with first water inlet pipes 4, the first water inlet pipes 4 are used for supplying water for the dispensing tanks 1, the first water inlet pipes 4 are provided with electric water inlet valves 5, the dispensing tanks 1 are provided with liquid level meters 6 for measuring liquid level heights in the dispensing tanks 1, the dispensing tanks 1 are provided with conductance meters 7 for measuring conductance of the solution in the dispensing tanks 1, the bottoms of the dispensing tanks 1 are provided with first liquid discharge ports 8, and the first liquid discharge ports 8 are provided with valves, the upper end of the dispensing tank 1 is provided with an air duct 10, the dispensing tank 1 is communicated with an ammonia gas absorption tank 12 through the air duct 10, the air duct 10 is provided with a valve, the ammonia gas absorption tank 12 is provided with a second inlet pipe 13, the second inlet pipe 13 is used for supplying water to the ammonia gas absorption tank 12, the bottom of the ammonia gas absorption tank 12 is provided with a second liquid discharge port 14, the second liquid discharge port 14 is provided with a valve, the top of the ammonia gas absorption tank 12 is provided with an exhaust pipe 15, the exhaust pipe 15 is used for discharging excessive ammonia gas in the ammonia gas absorption tank 12, the dispensing device further comprises an ammonia water dispensing control module, the signal output end of the liquid level meter 6 is electrically connected with the ammonia water dispensing control module, the ammonia water dispensing control module is connected with the electric ammonia water inlet valve 5, and the signal output end of the electric conductivity meter 7 is electrically connected with the ammonia water, the ammonia water control module that dispenses is connected with electronic ammonia valve 3, still be provided with manual ammonia valve 18 on the ammonia inlet pipe 2, still be provided with manual water intaking valve 9 on the first oral siphon 4, still include the ammonia and reveal monitoring instrument 16, the ammonia is revealed monitoring instrument 16 and is installed in 15 gas outlets of blast pipe position departments, be provided with blow off pipe 17 on the ammonia inlet pipe 2.
The utility model relates to a thermal power factory steam adds medicine dispensing device of medicine aqueous ammonia's working process does:
(1) opening the electric water inlet valve 5 or the manual water inlet valve 9, controlling the liquid level of the dispensing tank 1 to be 0.9 m, and closing the water inlet valve after the liquid level is in place; (2) and opening the electric ammonia valve 3 or the manual ammonia valve 18, controlling the conductance of the solution in the dispensing tank 1 to be 700us/cm, and closing the ammonia valve after the conductance reaches a target, thus obtaining the ammonia water for adding the medicine into the water vapor of the thermal power plant.
The utility model relates to a dispensing device for adding medicine ammonia water into water vapor of a thermal power plant, which utilizes the characteristic that ammonia gas is very easy to dissolve in water, provides ammonia gas to a dispensing tank 1 through an ammonia gas inlet pipeline 2, adopts ammonia gas to prepare ammonia water, directly adopts pipeline transportation, reduces labor cost, makes the cost of liquid ammonia be about 60-70% lower than that of finished ammonia water, and greatly reduces production cost; the dispensing tank 1 is provided with a liquid level meter 6 and a conductance meter 7, and the preparation of the ammonia water with specific concentration can be completed by controlling the liquid level and the solution conductance of the dispensing tank 1, so that the operation is simple and the popularization and the application are easy; the ammonia water concentration is controlled by controlling the ammonia gas introduction amount in the prior art, but the ammonia water with specific concentration cannot be prepared under the conditions of complex pipeline and ammonia gas leakage, the ammonia water concentration is controlled by controlling the solution conductivity, so that the ammonia water concentration is prepared more accurately, the ammonia gas absorption tank 12 is arranged, and when the conductivity meter 7 fails, excessive ammonia gas can escape to the ammonia gas absorption tank 12, so that the use safety risk is reduced, and the ammonia water preparation method is safe and environment-friendly; the number of the dispensing tanks 1 is multiple, and the ammonia water dispensing efficiency is high; the stirrer 11 is arranged, so that ammonia gas dissolution can be promoted, and the ammonia water preparation efficiency is high; an ammonia leakage monitoring instrument 16 is arranged, when ammonia leakage reaches 30ppm in the environment, ammonia preparation is stopped, and the safe operation of the device is ensured; the sewage discharge pipe 17 is arranged, so that the pipeline can be emptied and replaced when the ammonia pipeline needs to be overhauled.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A dispensing device for adding medicine ammonia water into water vapor of a thermal power plant is characterized by comprising a dispensing tank, wherein the dispensing tank is provided with an ammonia gas inlet pipeline for providing ammonia gas to the dispensing tank, the ammonia gas inlet pipeline is provided with an electric ammonia gas valve, the dispensing tank is provided with a first water inlet pipe for supplying water to the dispensing tank, the first water inlet pipe is provided with an electric water inlet valve, the dispensing tank is provided with a liquid level meter for measuring the liquid level height in the dispensing tank, the dispensing tank is provided with a conductance meter for measuring the conductance of the solution in the dispensing tank, the bottom of the dispensing tank is provided with a first liquid discharge port, the first liquid discharge port is provided with a valve, the upper end of the dispensing tank is provided with a gas guide pipe, the dispensing tank is communicated with an ammonia gas absorption groove through the gas guide pipe, and the gas guide pipe is provided with a valve, the ammonia absorption tank is provided with a second inlet pipe, the second inlet pipe is used for supplying water to the ammonia absorption tank, the bottom of the ammonia absorption tank is provided with a second liquid discharge port, a valve is arranged on the second liquid discharge port, an exhaust pipe is arranged at the top of the ammonia absorption tank, and the exhaust pipe is used for discharging excessive ammonia in the ammonia absorption tank.
2. The dispensing device for adding medicine ammonia water to water vapor of a thermal power plant according to claim 1, further comprising an ammonia water dispensing control module, wherein the signal output end of the liquid level meter is electrically connected with the ammonia water dispensing control module, the ammonia water dispensing control module is connected with an electric water inlet valve, the signal output end of the conductivity meter is electrically connected with the ammonia water dispensing control module, and the ammonia water dispensing control module is connected with an electric ammonia valve.
3. The dispensing device for adding medicine and ammonia water into water vapor of a thermal power plant according to claim 1, wherein a manual ammonia valve is further arranged on the ammonia gas inlet pipeline, and a manual water inlet valve is further arranged on the first water inlet pipe.
4. The dispensing device for adding the chemical ammonia water into the water vapor of the thermal power plant as claimed in claim 1, wherein the number of the dispensing tanks is more than two.
5. The dispensing device for adding chemical ammonia water into water vapor of a thermal power plant as claimed in claim 1, wherein the dispensing tank is provided with a stirrer.
6. The dispensing device for adding the chemical ammonia water into the water vapor of the thermal power plant according to claim 1, characterized by further comprising an ammonia gas leakage monitoring instrument.
7. The dispensing device for adding the chemical ammonia water into the water vapor of the thermal power plant as claimed in claim 6, wherein the ammonia gas leakage monitoring instrument is installed at the position of the air outlet of the exhaust pipe.
8. The dispensing device for adding the chemical ammonia water into the water vapor of the thermal power plant as recited in claim 1, wherein a sewage discharge pipe is arranged on the ammonia gas inlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921304498.5U CN210787183U (en) | 2019-08-13 | 2019-08-13 | Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921304498.5U CN210787183U (en) | 2019-08-13 | 2019-08-13 | Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant |
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| CN210787183U true CN210787183U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921304498.5U Active CN210787183U (en) | 2019-08-13 | 2019-08-13 | Medicine dispensing device for adding medicine ammonia water into steam of thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404465A (en) * | 2019-08-13 | 2019-11-05 | 国投北部湾发电有限公司 | A kind of dispensation apparatus and its application method of thermal power plant steam dosing ammonium hydroxide |
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2019
- 2019-08-13 CN CN201921304498.5U patent/CN210787183U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404465A (en) * | 2019-08-13 | 2019-11-05 | 国投北部湾发电有限公司 | A kind of dispensation apparatus and its application method of thermal power plant steam dosing ammonium hydroxide |
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