CN210347206U - Liquid ammonia sampling device - Google Patents
Liquid ammonia sampling device Download PDFInfo
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- CN210347206U CN210347206U CN201921089640.9U CN201921089640U CN210347206U CN 210347206 U CN210347206 U CN 210347206U CN 201921089640 U CN201921089640 U CN 201921089640U CN 210347206 U CN210347206 U CN 210347206U
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- pipe
- way valve
- bottle
- liquid ammonia
- sampling device
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Abstract
The utility model relates to the technical field of chemical industry, and discloses a liquid ammonia sampling device, which comprises a sealed bottle, a first pipe (11), a second pipe (12), a third pipe (13) and a three-way valve (30), wherein one end of the first pipe extends into the bottle, and the other end of the first pipe is positioned outside the bottle and connected with the three-way valve; one end of the second pipe is connected with the three-way valve, and the other end of the second pipe is used for connecting a liquid ammonia supply source; one end of the third pipe is connected with the three-way valve, and the other end of the third pipe is used for connecting the waste liquid collecting piece; the three-way valve is configured to be switchable between at least a first state and a second state. The application provides a liquid ammonia sampling device has realized sealing the sample, has effectively prevented that the ammonia from revealing, can not receive external influence simultaneously in the sample process, for example can not bring into comdenstion water or other impurity for later analysis to the liquid ammonia is more accurate.
Description
Technical Field
The utility model relates to a chemical industry technical field specifically relates to a liquid ammonia sampling device.
Background
In the coal chemical industry field, often need to sample liquid ammonia in order to analyze the impurity in the liquid ammonia, at present the method of taking a sample to liquid ammonia mainly includes two kinds: steel bottle sampling and leisenco bottle sampling.
For steel bottle sampling, complicated preparation work such as cleaning, drying, vacuumizing, freezing and the like is required before sampling, the operation is complex, the consumed time is long, the use is less in industrial production work, and certain potential safety risk exists in the sampling process because the sampling mode is sampling under pressure.
For the sampling of the Levensidae bottle, the sampling mode is simple in operation, but a large amount of ammonia gas overflows in the sampling process, so that the harm to a sampler and the environment is large, and meanwhile, other impurities such as condensed water and the like are easily brought in the sampling process, so that the detection result is inaccurate.
There is therefore a need for improvements in the sampling regime.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a liquid ammonia sampling device in order to overcome the complicated and not high problem of security of sample mode operation of liquid ammonia that prior art exists.
In order to achieve the above object, an aspect of the present invention provides a liquid ammonia sampling device, which includes a sealed bottle, a first pipe, a second pipe, a third pipe and a three-way valve, wherein one end of the first pipe extends into the bottle, and the other end of the first pipe is located outside the bottle and connected to the three-way valve; one end of the second pipe is connected with the three-way valve, and the other end of the second pipe is used for connecting a liquid ammonia supply source; one end of the third pipe is connected with the three-way valve, and the other end of the third pipe is used for connecting a waste liquid collecting piece; the three-way valve is configured to be switchable between at least a first state in which both the first and second tubes are in fluid communication with the three-way valve and a second state in which the third tube is fluidly disconnected from the three-way valve; in the second state, the second and third pipes are both in fluid communication with the three-way valve, and the first pipe is fluidly disconnected from the three-way valve.
According to the technical scheme, when liquid ammonia sampling is carried out, the three-way valve is adjusted to the first state, the second pipe is connected to the liquid ammonia supply source, and liquid ammonia enters the second pipe and enters the bottle piece through the three-way valve and the first pipe; after the liquid ammonia with the expected quantity is obtained in the bottle, the three-way valve is adjusted to the second state, the supply of the liquid ammonia supply source to the second pipe is cut off, and at the moment, the residual liquid ammonia in the second pipe can be discharged into the waste liquid collecting part communicated with the third pipe through the third pipe, so that the residual liquid ammonia can be discharged completely, and the leakage to the outside is avoided. The application provides a liquid ammonia sampling device has realized sealing the sample, has effectively prevented that the ammonia from revealing, can not receive external influence simultaneously in the sample process, for example can not bring into comdenstion water or other impurity for later analysis to the liquid ammonia is more accurate.
Preferably, the three-way valve is an electromagnetic three-way valve.
Preferably, the liquid ammonia sampling device comprises a control mechanism for controlling the energization state of the three-way valve, and when the three-way valve is energized, the three-way valve is in the first state; when the three-way valve is de-energized, the three-way valve is in the second state.
Preferably, the control mechanism includes a liquid level sensor for detecting a liquid level of the liquid in the bottle, a power supply member, and a switch for controlling electrical connection of the power supply member and the three-way valve, and the liquid level sensor opens a circuit between the power supply member and the three-way valve when the liquid level in the bottle reaches a preset height.
Preferably, the bottle part comprises a bottle body and a sealing body, the sealing body seals the opening of the bottle body, and one end of the first pipe penetrates through the sealing body and extends into the bottle body
Preferably, the sealing body is a rubber plug.
Preferably, the bottle body is a leisenaceae bottle.
Preferably, a valve is arranged on the second pipe.
Preferably, liquid ammonia sampling device includes the blast pipe, the one end of blast pipe is stretched into in the bottle spare, the other end of blast pipe is used for connecting the ammonia absorption cell.
Preferably, one end of the exhaust pipe connected with the ammonia gas absorption tank is in a shape gradually expanding outwards towards the end part.
Drawings
Fig. 1 is a schematic view of a liquid ammonia sampling device according to a preferred embodiment of the present invention.
Description of the reference numerals
10-bottle body 20-sealing body 30-three-way valve 40-liquid level sensor
50-power supply element 60-switch 70-exhaust pipe 80-ammonia absorption tank
11-first tube 12-second tube 13-third tube 14-valve
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a liquid ammonia sampling device, the liquid ammonia sampling device includes sealed bottle, first pipe 11, second pipe 12, third pipe 13 and three-way valve 30, one end of first pipe 11 stretches into in the bottle, the other end of first pipe 11 is located the bottle outside and connects the three-way valve 30; one end of the second pipe 12 is connected to the three-way valve 30, and the other end is used for connecting to a liquid ammonia supply source; one end of the third pipe 13 is connected with the three-way valve 30, and the other end is connected with a waste liquid collecting piece; the three-way valve 30 is configured to be switchable between at least a first state in which the first pipe 11 and the second pipe 12 are both in fluid communication with the three-way valve 30 and a second state in which the third pipe 13 is fluidly disconnected from the three-way valve 30; in the second state, the second pipe 12 and the third pipe 13 are both in fluid communication with the three-way valve 30, and the first pipe 11 is fluidly disconnected from the three-way valve 30.
As shown in fig. 1, at the time of sampling liquid ammonia, the three-way valve 30 is adjusted to the first state, and the second pipe 12 is connected to the liquid ammonia supply source, so that liquid ammonia enters the second pipe 12 and enters the bottle through the three-way valve 30 and the first pipe 11; after the desired amount of liquid ammonia has been taken from the bottle, the three-way valve 30 is adjusted to the second state, and the supply of the liquid ammonia supply source to the second tube 12 is cut off, so that the liquid ammonia remaining in the second tube 12 is discharged via the third tube 13 to the waste liquid collector connected to the third tube 13, and the remaining liquid ammonia can be drained completely to avoid leakage to the outside.
The application provides a liquid ammonia sampling device has realized sealing the sample, has effectively prevented that the ammonia from revealing, can not receive external influence simultaneously in the sample process, for example can not bring into comdenstion water or other impurity for later analysis to the liquid ammonia is more accurate.
Wherein disconnecting the liquid ammonia supply source does not directly pull the second tube 12 from the liquid ammonia supply source, but by closing a valve on the liquid ammonia supply source, while the second tube 12 is still mounted on the liquid ammonia supply source without being in direct fluid communication with the atmosphere, thereby effectively avoiding leakage of liquid ammonia in the second tube 12. For example, the liquid ammonia supply source is usually a tank truck storing liquid ammonia, a liquid discharge port on the tank truck is provided with a valve, and after enough liquid ammonia is obtained from the bottle, the valve of the liquid discharge port of the tank truck is closed. Furthermore, a valve 14 may be provided on the first pipe 11, the valve 14 may control the supply of liquid ammonia from the liquid ammonia supply source to the bottle member at any time, for example, when the liquid ammonia supply source itself does not have a valve, the operator may manually close the valve 14 to disable the liquid ammonia supply source from continuing to supply liquid ammonia to the bottle member, and the valve 14 may help the operator to respond quickly according to the situation on site and disconnect the liquid ammonia supply source from the bottle member in time.
The application provides a liquid ammonia sampling device still includes that one end stretches into the blast pipe 70 in the bottle spare, and the other end of blast pipe 70 stretches into under the liquid level of ammonia absorption cell 80, at the in-process of liquid ammonia sample, and the ammonia can be volatilized in real time to the liquid ammonia that gets into in the bottle spare, and the ammonia is discharged into the liquid of ammonia absorption cell 80 through blast pipe 70 in to be absorbed, wherein, can produce the bubble in the liquid of ammonia absorption cell at the in-process of going into. The liquid in the ammonia absorption tank may be water, and in order to prevent the liquid in the ammonia absorption tank from being sucked back into the bottle member, the end of the exhaust pipe 70 connected to the ammonia absorption tank is in a shape gradually flaring toward the end, such as a cone shape shown in fig. 1. Through this kind of structure, the liquid ammonia sampling device that this application provided can take a sample under the ordinary pressure, has improved the security of sample.
The bottle member may be of any suitable structure, and in the embodiment shown in fig. 1, the bottle member includes a bottle body 10 and a sealing body 20, the sealing body 20 is used for sealing the mouth of the bottle body 10, a first tube 11 extends into the bottle body 10 through the sealing body 20, and an exhaust tube 70 extends into the bottle body 10 through the sealing body 20. Wherein bottle 10 can select to have the bottle of scale, can judge the volume of liquid ammonia in the bottle through the scale on the bottle on the one hand, on the other hand also can be for follow-up analysis work service. Preferably, the bottle body 10 is a leisenco bottle, and the sealing body 20 is a rubber stopper.
In the preferred embodiment of the present application, the three-way valve may be a manually operated valve, or an electrically controlled electromagnetic three-way valve, which has the characteristic of faster response. Specifically, as shown in fig. 1, the liquid ammonia sampling device includes a control mechanism for controlling the electromagnetic three-way valve, and when the electromagnetic three-way valve is energized, the three-way valve is in the first state, and when the electromagnetic three-way valve is de-energized, the three-way valve is in the second state.
In order to make the liquid ammonia in the bottle 10 reach the desired amount, the three-way valve switches immediately, so that no more liquid ammonia enters the bottle 10 and thus the sampling accuracy is improved, preferably, the control mechanism includes a liquid level sensor that extends into the bottle 10, the on-off of the three-way solenoid valve and the power supply 50 is controlled by the switch 60, the power supply 50, the switch 60 and the liquid level sensor 40 are connected in series, the liquid level sensor can detect the liquid level in the bottle, when the liquid level in the bottle 10 reaches the preset height, the liquid level sensor is triggered to disconnect the circuit inside the liquid level sensor 40, so that the circuit between the power supply 50 and the three-way valve 30 is disconnected, at this moment, the electromagnetic three-way valve switches from the first state to the second state, and no more liquid ammonia enters the bottle 10.
The liquid ammonia sampling device provided by the preferred embodiment of the application can perform sampling through the following steps:
the second tube 12 is fluidly connected to a source of liquid ammonia supply and the third tube 13 is fluidly connected to a waste handpiece.
Keeping the switch 60 off so that the three-way valve is in the second state, opening the valve 14 on the second pipe 12, so that the liquid ammonia enters the second pipe 12 and the third pipe 13 and is finally discharged into the waste liquid collector; this process enables the second tube 12 to be sufficiently cleaned while exhausting the gas in the second tube 12, reducing the influence on the sampling accuracy.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A liquid ammonia sampling device, characterized in that, the liquid ammonia sampling device comprises a sealed bottle, a first pipe (11), a second pipe (12), a third pipe (13) and a three-way valve (30), one end of the first pipe (11) extends into the bottle, the other end of the first pipe (11) is positioned outside the bottle and connected with the three-way valve (30);
one end of the second pipe (12) is connected with the three-way valve (30), and the other end of the second pipe is used for connecting a liquid ammonia supply source;
one end of the third pipe (13) is connected with the three-way valve (30), and the other end of the third pipe is connected with a waste liquid collecting piece;
the three-way valve (30) is configured to be switchable between at least a first state and a second state,
in the first state, the first pipe (11) and the second pipe (12) are both in fluid communication with the three-way valve (30), the third pipe (13) being fluidly disconnected from the three-way valve (30);
in the second state, the second pipe (12) and the third pipe (13) are both in fluid communication with the three-way valve (30), the first pipe (11) being fluidly disconnected from the three-way valve (30).
2. Liquid ammonia sampling device according to claim 1, characterized in that the three-way valve (30) is an electromagnetic three-way valve.
3. Liquid ammonia sampling device according to claim 2, characterized in that it comprises control means for controlling the energization state of said three-way valve (30), said three-way valve (30) being in said first state when said three-way valve (30) is energized; when the three-way valve (30) is de-energized, the three-way valve (30) is in the second state.
4. Liquid ammonia sampling device according to claim 3, characterized in that said control means comprise a level sensor (40), a power supply (50) and a switch (60) for controlling the electrical connection of said power supply (50) and said three-way valve (30), said level sensor (40) being adapted to detect the level of the liquid in said bottle, said level sensor (40) causing the electrical circuit between said power supply (50) and said three-way valve (30) to be broken when the level of the liquid in said bottle reaches a preset height.
5. Liquid ammonia sampling device according to claim 1, characterized in that said bottle comprises a bottle body (10) and a sealing body (20), said sealing body (20) sealing the mouth of said bottle body (10), one end of said first tube (11) extending through said sealing body (20) into said bottle body (10).
6. Liquid ammonia sampling device according to claim 5, characterized in that said sealing body (20) is a rubber stopper.
7. Liquid ammonia sampling device according to claim 5, characterized in that the bottle (10) is a Lenseridae bottle.
8. Liquid ammonia sampling device according to any one of claims 1-7, characterized in that a valve (14) is provided on the second tube (12).
9. Liquid ammonia sampling device according to any one of claims 1-7, characterized in that it comprises an exhaust tube (70), one end of said exhaust tube (70) extending into said bottle, the other end of said exhaust tube (70) being adapted to be connected to an ammonia gas absorption cell.
10. Liquid ammonia sampling device according to claim 9, characterized in that the end of the vent pipe (70) connected to the ammonia absorption cell is shaped so as to be gradually flared towards the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089640.9U CN210347206U (en) | 2019-07-11 | 2019-07-11 | Liquid ammonia sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089640.9U CN210347206U (en) | 2019-07-11 | 2019-07-11 | Liquid ammonia sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210347206U true CN210347206U (en) | 2020-04-17 |
Family
ID=70193575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921089640.9U Active CN210347206U (en) | 2019-07-11 | 2019-07-11 | Liquid ammonia sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210347206U (en) |
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2019
- 2019-07-11 CN CN201921089640.9U patent/CN210347206U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Block C, Shenhua building, 16 ande Road, Dongcheng District, Beijing, 100011 Patentee after: CHINA SHENHUA COAL TO LIQUID AND CHEMICAL Co.,Ltd. Patentee after: Guoneng Xinjiang Chemical Co.,Ltd. Address before: Block C, Shenhua building, 16 ande Road, Dongcheng District, Beijing, 100011 Patentee before: CHINA SHENHUA COAL TO LIQUID AND CHEMICAL Co.,Ltd. Patentee before: SHENHUA XINJIANG CHEMICAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |