CN216116241U - Air blowing type liquid level meter - Google Patents
Air blowing type liquid level meter Download PDFInfo
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- CN216116241U CN216116241U CN202122568060.1U CN202122568060U CN216116241U CN 216116241 U CN216116241 U CN 216116241U CN 202122568060 U CN202122568060 U CN 202122568060U CN 216116241 U CN216116241 U CN 216116241U
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Abstract
The utility model provides an air blowing type liquid level meter which comprises an air source interface, a pressure regulating valve, a one-way valve, a transmitter, a three-valve set, a negative pressure side outlet ball valve, a positive pressure side outlet ball valve, a negative pressure side self-operated rotor, a positive pressure side self-operated rotor, a negative pressure side air inlet pipe and a positive pressure side air inlet pipe, wherein the negative pressure side outlet ball valve is arranged on the negative pressure side outlet ball valve; the air outlet of the negative pressure side self-operated rotor is communicated with one end of a negative pressure side valve, and the other end of the negative pressure side valve is communicated with the negative pressure side of the transmitter; the air outlet of the positive pressure side self-operated rotor is communicated with one end of a positive pressure side valve, and the other end of the positive pressure side valve is communicated with the positive pressure side of the transmitter; one end of the balance valve is communicated with the negative pressure side of the transmitter, and the other end of the balance valve is communicated with the positive pressure side of the transmitter. If the transmitter has zero drift, the transmitter can be subjected to online zero setting only by closing a negative pressure side valve and a positive pressure side valve in the three valve groups and opening the balance valve, so that the situation that the material is reversely poured to block a negative pressure side air inlet pipe and a positive pressure side air inlet pipe can be prevented.
Description
Technical Field
The utility model relates to the technical field of liquid level meters, in particular to an air blowing type liquid level meter.
Background
The structure of the existing blowing type liquid level meter is generally shown in fig. 1, and mainly comprises an air source interface 1, a pressure regulating valve 2, a one-way valve 3, a transmitter 4, an installation base 5, a negative pressure side outlet ball valve 6, a positive pressure side outlet ball valve 7, a negative pressure side self-operated rotor 8 and a positive pressure side self-operated rotor 9.
The measurement schematic diagram of the existing blowing type liquid level meter is shown in fig. 1 and fig. 2, after an air source passes through an air source interface 1, a pressure regulating valve 2 and a one-way valve 3, one path of air enters an installation base 5 through a negative pressure side self-operated rotor 8, is communicated with a negative pressure side 41 of a transmitter 4 and then enters a reaction kettle through a negative pressure side outlet ball valve 6 to be communicated with air in the reaction kettle, and a material is arranged below the air in the reaction kettle; the other path enters the mounting base 5 through the positive pressure side self-operated rotor 9, is communicated with the positive pressure side 42 of the transmitter 4 and then enters the materials in the reaction kettle through the positive pressure side outlet ball valve 7. In the use process of the air blowing type liquid level meter, if the transmitter 4 is in zero drift, the negative pressure side outlet ball valve 6 and the positive pressure side outlet ball valve 7 need to be closed, nuts connected with the ends of the transmitter 4 and the negative pressure side outlet ball valve 6 and the positive pressure side outlet ball valve 7 are disassembled, and the negative pressure side 41 and the positive pressure side 42 of the transmitter 4 are communicated with the atmosphere to be zeroed.
However, in the zero setting process of the transmitter, no air flow is continuously input into the reaction kettle in the pipes communicating the negative pressure side outlet ball valve 6 and the positive pressure side outlet ball valve 7 with the reaction kettle, so that the material is easily back-poured into the pipes, the pipes are blocked by the material due to cooling and solidification, and the fault of the air blowing type liquid level meter is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air blowing type liquid level meter, which aims to solve the technical problem that a pipe is easy to block when the existing air blowing type liquid level meter is zeroed.
In order to solve the technical problem, the utility model provides an air blowing type liquid level meter which comprises an air source interface, a pressure regulating valve, a one-way valve, a transmitter, a three-valve set, a negative pressure side outlet ball valve, a positive pressure side outlet ball valve, a negative pressure side self-operated rotor, a positive pressure side self-operated rotor, a negative pressure side air inlet pipe and a positive pressure side air inlet pipe;
the transmitter comprises a negative pressure side and a positive pressure side; the three valve groups comprise a negative pressure side valve, a positive pressure side valve and a balance valve; the negative pressure side self-operated rotor comprises an air inlet and an air outlet; the positive pressure side self-operated rotor comprises an air inlet and an air outlet;
the air source interface, the pressure regulating valve and the one-way valve are communicated in sequence; the one-way valve is communicated with both the air inlet of the negative pressure side self-operated rotor and the air inlet of the positive pressure side self-operated rotor;
the air outlet of the negative pressure side self-operated rotor is communicated with one end of the negative pressure side valve, and the other end of the negative pressure side valve is communicated with the negative pressure side of the transmitter;
the air outlet of the positive pressure side self-operated rotor is communicated with one end of the positive pressure side valve, and the other end of the positive pressure side valve is communicated with the positive pressure side of the transmitter;
one end of the balance valve is communicated with the negative pressure side of the transmitter, and the other end of the balance valve is communicated with the positive pressure side of the transmitter;
the air outlet of the negative pressure side self-operated rotor, the negative pressure side outlet ball valve and the negative pressure side air inlet pipe are communicated in sequence;
and the air outlet of the positive pressure side self-operated rotor, the positive pressure side outlet ball valve and the positive pressure side air inlet pipe are communicated in sequence.
Optionally, the blowing type liquid level meter further comprises an installation base, the check valve, the negative pressure side self-operated rotor, the positive pressure side self-operated rotor, the negative pressure side valve, the positive pressure side valve, the negative pressure side outlet ball valve and a communication passage between the positive pressure side outlet ball valves are arranged in the installation base.
Optionally, the one-way valve, the negative pressure side self-operated rotor, the positive pressure side self-operated rotor, the negative pressure side valve, the positive pressure side valve, the negative pressure side outlet ball valve and the communication passage between the positive pressure side outlet ball valves are realized through a plurality of sections of air pipes.
Optionally, the negative pressure side valve, the positive pressure side valve and the balance valve are detachably connected.
Optionally, the air blowing type liquid level meter further comprises a mounting plate, and the negative pressure side valve, the positive pressure side valve and the balance valve are all detachably mounted on the mounting plate.
Optionally, the mounting plate is detachably connected to the mounting base.
Optionally, the negative pressure side valve, the positive pressure side valve and the balance valve all include knobs, and the knobs extend to the outside of the mounting plate.
Optionally, the knob is T-shaped.
Optionally, the distance between the knob of the negative pressure side valve, the knob of the positive pressure side valve and the knob of the balance valve is greater than a preset distance.
According to the air blowing type liquid level meter provided by the utility model, in the operation process of an air blowing type liquid level and a reaction kettle, if a transmitter has a zero drift phenomenon, the transmitter can be subjected to online zero adjustment only by closing the negative pressure side valve and the positive pressure side valve in the three valve groups and then opening the balance valve, and in the process, air flows always enter the reaction kettle in the negative pressure side air inlet pipe and the positive pressure side air inlet pipe, so that the situation that a fault is caused by blocking the negative pressure side air inlet pipe and the positive pressure side air inlet pipe due to reverse filling of materials can be prevented.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration of an air-blown liquid level.
FIG. 2 is a schematic diagram of a measurement principle of an air blowing type liquid level in the prior art.
FIG. 3 is a schematic structural diagram of an air-blown liquid level according to an embodiment of the present invention.
FIG. 4 is a schematic diagram illustrating a principle of measuring an air-blowing liquid level according to an embodiment of the present invention.
[ reference numerals are described below ]:
the device comprises an air source interface-1, a pressure regulating valve-2, a one-way valve-3, a transmitter-4, an installation base-5, a negative pressure side outlet ball valve-6, a positive pressure side outlet ball valve-7, a negative pressure side self-operated rotor-8 and a positive pressure side self-operated rotor-9; negative pressure side-41, positive pressure side-42;
an air source interface-11, a pressure regulating valve-12, a one-way valve-13, a transmitter-14, an installation base-15, a three-valve set-16, a negative pressure side outlet ball valve-17, a positive pressure side outlet ball valve-18, a negative pressure side self-operated rotor-19, a positive pressure side self-operated rotor-20, a negative pressure side air inlet pipe-21, a positive pressure side air inlet pipe-22 and an installation plate-23; negative pressure side-141, positive pressure side-142; a negative pressure side valve-161, a positive pressure side valve-162, and a balance valve-163.
Detailed Description
To make the objects, advantages and features of the present invention more apparent, an air-blowing level gauge according to the present invention will be described in further detail with reference to the accompanying drawings. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the description of the present invention, the terms "first", "second", etc. are used for convenience of description and reference, but are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined by a qualifier such as "first," "second," etc., may explicitly or implicitly include one or more of that feature.
As shown in fig. 3 and 4, the present embodiment provides an air blowing type liquid level meter, which includes an air source interface 11, a pressure regulating valve 12, a check valve 13, a transmitter 14, a three-valve set 16, a negative pressure side outlet ball valve 17, a positive pressure side outlet ball valve 18, a negative pressure side self-operated rotor 19, a positive pressure side self-operated rotor 20, a negative pressure side air inlet pipe 21, and a positive pressure side air inlet pipe 22; the transmitter 14 includes a negative pressure side 141 and a positive pressure side 142; the three-valve group 16 comprises a negative pressure side valve 161, a positive pressure side valve 162 and a balance valve 163; the negative pressure side self-operated rotor 19 comprises an air inlet and an air outlet; the positive pressure side self-operated rotor 20 comprises an air inlet and an air outlet; the air source interface 11, the pressure regulating valve 12 and the one-way valve 13 are communicated in sequence; the one-way valve 13 is communicated with both the air inlet of the negative pressure side self-operated rotor 19 and the air inlet of the positive pressure side self-operated rotor 20; the air outlet of the negative pressure side self-operated rotor 19 is communicated with one end of the negative pressure side valve 161, and the other end of the negative pressure side valve 161 is communicated with the negative pressure side 141 of the transmitter 14; an air outlet of the positive pressure side self-operated rotor 20 is communicated with one end of the positive pressure side valve 162, and the other end of the positive pressure side valve 162 is communicated with the positive pressure side 142 of the transmitter 14; one end of the equalization valve 163 communicates with the negative pressure side 141 of the transmitter 14 and the other end of the equalization valve 163 communicates with the positive pressure side 142 of the transmitter 14; the air outlet of the negative pressure side self-operated rotor 19, the negative pressure side outlet ball valve 17 and the negative pressure side air inlet pipe 21 are communicated in sequence; the air outlet of the positive pressure side self-operated rotor 20, the positive pressure side outlet ball valve 18 and the positive pressure side air inlet pipe 22 are communicated in sequence.
The negative pressure side self-operated rotor 19 can adjust the air pressure in the negative pressure side air inlet pipe 21; the positive pressure side self-operated rotor 20 can adjust the air pressure in the positive pressure side intake pipe 22; the negative pressure side intake pipe 21 is communicated with the gas in the reaction kettle, and the material is arranged below the gas in the reaction kettle; the positive pressure side intake pipe 22 is communicated with materials in the reaction kettle. In the figure, L indicates a negative pressure side gas path, and H indicates a positive pressure side gas path.
The measurement principle of the air blowing type liquid level meter provided by this embodiment is shown in fig. 4, after an air source passes through an air source interface 11, a pressure regulating valve 12 and a check valve 13, one path enters an installation base 15 through a negative pressure side self-operated rotor 19, is communicated with the negative pressure side of a transmitter 14 through a negative pressure side valve 161 in a three-valve group 16, and enters air in a reaction kettle through a negative pressure side outlet ball valve 17; the other path enters the mounting base 15 through the positive pressure side self-operated rotor 20, is communicated with the positive pressure side of the transmitter 14 through a positive pressure side valve 162 in the three-valve group 16, and enters the materials in the reaction kettle through a positive pressure side outlet ball valve 18.
The air blowing type liquid level meter provided by the embodiment, at air blowing type liquid level and reation kettle operation in-process, if changer 14 takes place the zero drift phenomenon, only need close negative pressure side valve 161 and malleation side valve 162 among three valves 16, open balanced valve 163 again and just can carry out online zero setting to changer 14, at this in-process, all there is the air current to get into reation kettle all the time in negative pressure side intake pipe 21 and the malleation side intake pipe 22, can prevent that the material from flowing backward and blockking up negative pressure side intake pipe 21 and malleation side intake pipe 22 and arouse the trouble and take place.
Optionally, as shown in fig. 3 and 4, the air blowing type liquid level meter further includes an installation base 15, and communication paths among the check valve 13, the negative pressure side self-operated rotor 19, the positive pressure side self-operated rotor 20, the negative pressure side valve 161, the positive pressure side valve 162, the negative pressure side outlet ball valve 17, and the positive pressure side outlet ball valve 18 are all disposed in the installation base 15. The mounting base 15 may also be referred to as a splitter. The structure of air blowing type level gauge can be simplified to the air blowing type level gauge that this embodiment provided, reduces the usage of trachea.
Alternatively, as shown in fig. 3 and 4, the communication path between the check valve 13, the negative pressure side self-operated rotor 19, the positive pressure side self-operated rotor 20, the negative pressure side valve 161, the positive pressure side valve 162, the negative pressure side outlet ball valve 17, and the positive pressure side outlet ball valve 18 is implemented by a multi-stage air pipe. The multi-section air pipes are respectively connected with the check valve 13, the negative pressure side self-operated rotor 19, the positive pressure side self-operated rotor 20, the negative pressure side valve 161, the positive pressure side valve 162, the negative pressure side outlet ball valve 17 and the positive pressure side outlet ball valve 18, so that the measurement function and the zero setting function of the air blowing type liquid level meter can be realized.
Optionally, as shown in fig. 4, the negative pressure side valve 161, the positive pressure side valve 162 and the balance valve 163 are detachably connected. The negative pressure side valve 161, the positive pressure side valve 162 and the balance valve 163 can be connected with an air pipe through a quick-release connector, and the installation and the disassembly are convenient.
Optionally, as shown in fig. 3 and 4, the inflatable level gauge further includes a mounting plate 23, and the negative pressure side valve 161, the positive pressure side valve 162 and the balance valve 163 are detachably mounted on the mounting plate 23. Therefore, the negative pressure side valve 161, the positive pressure side valve 162 and the balance valve 163 are convenient to install in advance, and the field installation efficiency is improved.
Alternatively, as shown in fig. 3, the mounting plate 23 is detachably connected to the mounting base 15. This facilitates mounting and dismounting of the mounting plate 23 and the mounting base 15.
Alternatively, as shown in fig. 3 and 4, the negative pressure side valve 161, the positive pressure side valve 162, and the balance valve 163 each include a knob that extends to the outside of the mounting plate 23. This facilitates adjustment of the knobs of the negative pressure side valve 161, the positive pressure side valve 162 and the balancing valve 163.
Alternatively, as shown in fig. 3 and 4, the knob may have a T-shape. This facilitates adjustment of the knobs of the negative pressure side valve 161, the positive pressure side valve 162 and the balancing valve 163.
Alternatively, as shown in fig. 3 and 4, a distance between the knob of the negative pressure side valve 161, the knob of the positive pressure side valve 162, and the knob of the balancing valve 163 is greater than a preset distance. The preset distance is larger than the space occupied by the rotary knobs when the rotary knobs rotate, so that mutual interference among the rotary knobs can be prevented.
In conclusion, in the air blowing type liquid level meter provided by the utility model, if the transmitter 14 has a zero drift phenomenon in the operation process of the air blowing type liquid level meter and the reaction kettle, the transmitter 14 can be subjected to online zero adjustment only by closing the negative pressure side valve 161 and the positive pressure side valve 162 in the three valve groups 16 and then opening the balance valve 163, and in the process, air flows always enter the reaction kettle in the negative pressure side air inlet pipe 21 and the positive pressure side air inlet pipe 22, so that the phenomenon that the negative pressure side air inlet pipe 21 and the positive pressure side air inlet pipe 22 are blocked by material reverse filling to cause a fault can be prevented.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the present invention.
Claims (9)
1. An air blowing type liquid level meter is characterized by comprising an air source interface, a pressure regulating valve, a one-way valve, a transmitter, a three-valve set, a negative pressure side outlet ball valve, a positive pressure side outlet ball valve, a negative pressure side self-operated rotor, a positive pressure side self-operated rotor, a negative pressure side air inlet pipe and a positive pressure side air inlet pipe;
the transmitter comprises a negative pressure side and a positive pressure side; the three valve groups comprise a negative pressure side valve, a positive pressure side valve and a balance valve; the negative pressure side self-operated rotor comprises an air inlet and an air outlet; the positive pressure side self-operated rotor comprises an air inlet and an air outlet;
the air source interface, the pressure regulating valve and the one-way valve are communicated in sequence; the one-way valve is communicated with both the air inlet of the negative pressure side self-operated rotor and the air inlet of the positive pressure side self-operated rotor;
the air outlet of the negative pressure side self-operated rotor is communicated with one end of the negative pressure side valve, and the other end of the negative pressure side valve is communicated with the negative pressure side of the transmitter;
the air outlet of the positive pressure side self-operated rotor is communicated with one end of the positive pressure side valve, and the other end of the positive pressure side valve is communicated with the positive pressure side of the transmitter;
one end of the balance valve is communicated with the negative pressure side of the transmitter, and the other end of the balance valve is communicated with the positive pressure side of the transmitter;
the air outlet of the negative pressure side self-operated rotor, the negative pressure side outlet ball valve and the negative pressure side air inlet pipe are communicated in sequence;
and the air outlet of the positive pressure side self-operated rotor, the positive pressure side outlet ball valve and the positive pressure side air inlet pipe are communicated in sequence.
2. The air-blowing liquid level meter according to claim 1, further comprising a mounting base, wherein communication passages among the check valve, the negative pressure side self-operated rotor, the positive pressure side self-operated rotor, the negative pressure side valve, the positive pressure side valve, the negative pressure side outlet ball valve and the positive pressure side outlet ball valve are all provided in the mounting base.
3. The air-blown liquid level meter according to claim 1, wherein the communication path between the check valve, the negative pressure side self-operated rotor, the positive pressure side self-operated rotor, the negative pressure side valve, the positive pressure side valve, the negative pressure side outlet ball valve and the positive pressure side outlet ball valve is realized by a plurality of air pipes.
4. The insufflating level gauge of claim 1, wherein said negative pressure side valve, said positive pressure side valve and said balancing valve are removably connected.
5. The insufflating level gauge according to claim 2, further comprising a mounting plate, wherein said negative pressure side valve, said positive pressure side valve and said balancing valve are detachably mounted on said mounting plate.
6. An air blown level gauge as claimed in claim 5 wherein the mounting plate is removably connected to the mounting base.
7. An insufflating level gauge as in claim 5, wherein said suction side valve, said pressure side valve and said balancing valve each comprise a knob, said knobs extending outside of said mounting plate.
8. An air-blown level gauge as claimed in claim 7, wherein the knob is T-shaped.
9. The insufflating level gauge of claim 8, wherein a distance between a knob of said negative pressure side valve, a knob of said positive pressure side valve and a knob of said balancing valve is greater than a preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568060.1U CN216116241U (en) | 2021-10-25 | 2021-10-25 | Air blowing type liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122568060.1U CN216116241U (en) | 2021-10-25 | 2021-10-25 | Air blowing type liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216116241U true CN216116241U (en) | 2022-03-22 |
Family
ID=80695266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122568060.1U Active CN216116241U (en) | 2021-10-25 | 2021-10-25 | Air blowing type liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216116241U (en) |
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2021
- 2021-10-25 CN CN202122568060.1U patent/CN216116241U/en active Active
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