CN216596021U - But intelligence remote control's sample recovery system - Google Patents
But intelligence remote control's sample recovery system Download PDFInfo
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- CN216596021U CN216596021U CN202122229842.2U CN202122229842U CN216596021U CN 216596021 U CN216596021 U CN 216596021U CN 202122229842 U CN202122229842 U CN 202122229842U CN 216596021 U CN216596021 U CN 216596021U
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Abstract
The utility model relates to an intelligent remote-controlled sample recovery system, which relates to the field of online analysis systems and comprises a sample recovery tank, a liquid level meter, a diaphragm pump and a control system, wherein the sample recovery tank is provided with a sample inlet and a sample outlet; the control system compares the value of the liquid level signal with a first preset threshold value and a second preset threshold value, when the value of the liquid level signal is larger than the first preset threshold value, the control system starts the diaphragm pump, and when the value of the liquid level signal is smaller than the second preset threshold value, the control system closes the diaphragm pump. The remote operation control method and the remote operation control system have the effect of facilitating remote operation control of a field user on the system.
Description
Technical Field
The application relates to the field of online analysis systems, in particular to an intelligent sample recovery system capable of being remotely controlled.
Background
In an on-line analysis system, in order to meet the requirements of an analysis instrument, a liquid sample taken out from a pipeline needs to be subjected to a series of measures such as filtration, pressure reduction and the like, and the sample treated by the analysis instrument cannot normally return to a main sample pipeline, so that a sample recovery system is required to treat the sample.
However, the current sample recycling system has the defects of inconvenient field user operation and control, inconvenient reduction of waste of sample resources and more optimal treatment of the sample resources.
SUMMERY OF THE UTILITY MODEL
The purpose of this application is: the intelligent and remotely-controllable sample recovery system is provided, a field user can conveniently carry out remote operation control on the sample recovery system, and more optimized and intelligent choices are added for the recovery processing mode of the liquid sample in practical application.
In order to achieve the above object, the present application provides an intelligent remote-controllable sample recovery system, including a sample recovery tank provided with a sample inlet and a sample outlet, a level gauge provided in the sample recovery tank, a diaphragm pump for pumping a sample inside the sample recovery tank, and a control system for controlling the diaphragm pump, wherein the diaphragm pump is provided in the sample outlet, and the level gauge outputs a level signal of the sample inside the sample recovery tank to the control system;
the control system compares the value of the liquid level signal with a first preset threshold value and a second preset threshold value, when the value of the liquid level signal is greater than the first preset threshold value, the control system starts the diaphragm pump, and when the value of the liquid level signal is less than the second preset threshold value, the control system closes the diaphragm pump;
the diaphragm pump adopts pneumatic diaphragm pump, pneumatic diaphragm pump is connected with the gas circuit that provides compressed air for it, be provided with the solenoid valve on the gas circuit, the controller output control signal extremely the solenoid valve is in order to open or close the diaphragm pump.
Preferably, an air path shutoff valve is further arranged on the air path, and the air path shutoff valve is located at a position where the electromagnetic valve is far away from the diaphragm pump.
Preferably, the control system adopts a DCS system.
Preferably, the sample inlet of the sample recovery tank is provided with a sample inlet shutoff valve, and the sample outlet of the sample recovery tank is provided with a sample outlet shutoff valve.
Preferably, the sample outlet shutoff valve and the sample outlet shutoff valve both adopt ball valves.
Preferably, the sample outlet is further provided with a pressure gauge, and the pressure gauge is located between the diaphragm pump and the sample outlet shutoff valve.
Preferably, a vent pipe is connected to the top of the sample recovery tank, and the end of the vent pipe, which is far away from the sample recovery tank, is exposed to the air.
In summary, the utility model has the following beneficial technical effects:
1. a user can observe the liquid level change in the sample recovery tank through an analog quantity signal transmitted to the DCS control chamber by the liquid level meter, and sends a digital quantity signal to the electromagnetic valve through setting in the DCS system to control the starting and stopping of the electromagnetic valve and further control the starting and stopping of the starting diaphragm pump, so that the quantity of samples in the sample recovery tank can be controlled through remote intelligent operation;
2. the method is suitable for recovery control of liquid samples under various working conditions;
3. redundant power consumption on site is saved by selecting the pneumatic diaphragm pump.
Drawings
Fig. 1 is a schematic structural view of a sample recovery system in the utility model.
Reference numerals: 1. a sample inlet shutoff valve; 2. a sample recovery tank; 3. a liquid level meter; 4. a pneumatic diaphragm pump; 5. a pressure gauge; 6. a sample outlet shutoff valve; 7. an electromagnetic valve; 8. a gas circuit shutoff valve.
Detailed Description
The present invention is described in further detail below with reference to fig. 1.
The embodiment of the utility model discloses an intelligent and remotely controllable sample recovery system.
The utility model comprises a sample recovery tank 2, a sample inlet shutoff valve 1 arranged at a sample inlet of the sample recovery tank 2, a sample outlet shutoff valve 6 arranged at a sample outlet at the bottom of the sample recovery tank 2, a pneumatic diaphragm pump 4 arranged between the sample recovery tank 2 and the sample outlet shutoff valve 6, a liquid level meter 3 arranged at the top of the sample recovery tank 2, a control system for controlling the pneumatic diaphragm pump 4, and an emptying pipeline connected to the top of the sample recovery tank 2, wherein the emptying pipeline directly faces the atmosphere to keep the internal of the sample recovery tank 2 at normal pressure all the time, the end part of the sample inlet shutoff valve 1 far away from the sample recovery tank 2 is connected with an analysis instrument pipeline, and the end part of the sample outlet shutoff valve 6 far away from the pneumatic diaphragm pump 4 is connected with a sample main pipeline.
The pneumatic diaphragm pump 4 is connected with an air path for providing instrument air for the pneumatic diaphragm pump, an air path shutoff valve 8 is arranged on the air path, and an electromagnetic valve 7 is arranged between the air path shutoff valve 8 and the pneumatic diaphragm pump 4; in addition, a pressure gauge 5 is arranged between the pneumatic diaphragm pump 4 and the sample outlet shutoff valve 6; and the output pressure of the pneumatic diaphragm pump 4 during working is larger than the pressure of the sample main pipeline.
The control system adopts the DCS system, the liquid level meter 3 outputs a liquid level signal of a sample to the DCS system, and the DCS system outputs a control signal to the electromagnetic valve 7 according to the liquid level signal so as to control the pneumatic diaphragm pump 4 to start and stop.
The volume of the sample recovery tank 2 is calculated according to the sample flow entering the sample recovery tank 2 and the flow output by the pneumatic diaphragm pump 4, so that the volume of the tank body can meet the requirements of users; the material of the sample recovery tank 2 should be selected according to the chemical properties to ensure that the tank body of the sample recovery tank 2 can be used for a long time without damage and leakage.
The using process of the utility model is as follows:
firstly, system components of proper materials and performance components are selected according to the components and chemical properties of the samples, and then the sample recovery tank 2 with proper size is selected according to the sample introduction flow. Opening the sample inlet shutoff valve 1 and the gas circuit shutoff valve 8; a high-level alarm point and a low-level alarm point of a liquid level meter 3 are set in a DCS, and are interlocked with an electromagnetic valve 7 in a normally closed state.
And secondly, after the sample capacity in the sample recovery tank 2 reaches a high-level alarm point of the liquid level meter 3, the DCS controls the electromagnetic valve 7 through a digital quantity signal to open the electromagnetic valve, then the pneumatic diaphragm pump 4 obtains instrument wind, the pneumatic diaphragm pump 4 starts to act, and the sample in the sample recovery tank 2 starts to flow into a sample main pipeline where the pressure gauge 5 is located. Meanwhile, the outlet pressure of the pneumatic diaphragm pump 4 can be read through the pressure gauge 5.
And thirdly, after the continuous work of the pneumatic diaphragm pump 4, the liquid level in the sample recovery tank 2 is reduced, when the liquid level is reduced to a low-level alarm point of the liquid level meter 3, the DCS system controls the electromagnetic valve 7 to be closed, then the pneumatic diaphragm pump 4 stops acting, and the sample recovery tank 2 starts to store liquid. When the liquid reaches the high-level alarm point of the liquid level meter 3 again, the actions are repeated again.
Compared with the traditional sample recovery system, the system is suitable for liquid sample recovery control under most working conditions, and the sample can be conveniently and intelligently returned to the main pipeline in a pressurization mode. Compared with the traditional mechanical recovery system, the liquid level meter 3 capable of monitoring liquid in real time and the electromagnetic valve 7 capable of being remotely controlled are added into the operation system, so that the user can operate conveniently, and compared with the traditional recovery system, the operation system is more intelligent and humanized. If more severe sample conditions are met, simple adjustment is carried out on the basis, and the method is applicable.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a but intelligence remote control's sample recovery system which characterized in that: the device comprises a sample recovery tank (2) provided with a sample inlet and a sample outlet, a liquid level meter (3) arranged on the sample recovery tank (2), a diaphragm pump used for extracting a sample in the sample recovery tank (2), and a control system used for controlling the diaphragm pump, wherein the diaphragm pump is arranged at the sample outlet, and the liquid level meter (3) outputs a liquid level signal of the sample in the sample recovery tank (2) to the control system;
the control system compares the value of the liquid level signal with a first preset threshold value and a second preset threshold value, when the value of the liquid level signal is greater than the first preset threshold value, the control system starts the diaphragm pump, and when the value of the liquid level signal is less than the second preset threshold value, the control system closes the diaphragm pump;
the diaphragm pump adopts pneumatic diaphragm pump (4), pneumatic diaphragm pump (4) are connected with the gas circuit that provides compressed air for it, be provided with solenoid valve (7) on the gas circuit, control system output control signal extremely solenoid valve (7) are in order to open or close the diaphragm pump.
2. An intelligent remotely controllable sample collection system according to claim 1, wherein: and a gas circuit shutoff valve (8) is further arranged on the gas circuit, and the gas circuit shutoff valve (8) is positioned at a position where the electromagnetic valve (7) is far away from the diaphragm pump.
3. An intelligent remotely controllable sample collection system according to claim 1, wherein: and the control system adopts a DCS system.
4. An intelligent remotely controllable sample collection system according to claim 1, wherein: the sample inlet of the sample recovery tank (2) is provided with a sample inlet shutoff valve (1), and the sample outlet of the sample recovery tank (2) is provided with a sample outlet shutoff valve (6).
5. An intelligent remotely controllable sample collection system according to claim 4, wherein: the sample outlet shutoff valve (6) and the sample outlet shutoff valve (6) both adopt ball valves.
6. An intelligent remotely controllable sample collection system according to claim 4, wherein: the sample outlet is also provided with a pressure gauge (5), and the pressure gauge (5) is positioned between the diaphragm pump and the sample outlet shutoff valve (6).
7. An intelligent remotely controllable sample collection system according to claim 1, wherein: the top of the sample recovery tank (2) is connected with a vent pipe, and the end of the vent pipe far away from the sample recovery tank (2) is exposed in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229842.2U CN216596021U (en) | 2021-09-15 | 2021-09-15 | But intelligence remote control's sample recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229842.2U CN216596021U (en) | 2021-09-15 | 2021-09-15 | But intelligence remote control's sample recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216596021U true CN216596021U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122229842.2U Active CN216596021U (en) | 2021-09-15 | 2021-09-15 | But intelligence remote control's sample recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216596021U (en) |
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2021
- 2021-09-15 CN CN202122229842.2U patent/CN216596021U/en active Active
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