CN212871378U - Liquid level measuring device - Google Patents
Liquid level measuring device Download PDFInfo
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- CN212871378U CN212871378U CN202022199245.5U CN202022199245U CN212871378U CN 212871378 U CN212871378 U CN 212871378U CN 202022199245 U CN202022199245 U CN 202022199245U CN 212871378 U CN212871378 U CN 212871378U
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Abstract
The utility model discloses a liquid level measuring device, include: the liquid level transmitter is provided with a first diaphragm capsule and a second diaphragm capsule and is applied to liquid level measurement of the air cooling tower; the air cooling tower is provided with a first port and a second port which are communicated with the air cooling tower, the first port is positioned below the liquid level, the second port is positioned above the liquid level, the first diaphragm capsule is connected with the first port, and the second diaphragm capsule is connected with the second port; a first stop valve is connected between the first diaphragm capsule and the first port, and a second stop valve is connected between the second diaphragm capsule and the second port; further comprising: one end of the connecting pipe is communicated with the first stop valve, and the other end of the connecting pipe is connected with the first diaphragm capsule; and the on-off valve is arranged on the connecting pipe and used for releasing or stopping the liquid in the connecting pipe. This liquid level measurement device can clear up the suspended solid for liquid level measurement device measures more accurately, guarantees that the safety of technology production goes on, and above-mentioned structure avoids dismantling the washing to first diaphragm capsule moreover, reduces work load.
Description
Technical Field
The utility model relates to an air cooling tower equipment field especially relates to a liquid level measurement device.
Background
Present air cooling tower bottom circulating water level gauge, for diaphragm sealed differential pressure transmitter teletransmission DCS shows, the measurement of liquid level is realized through the measurement diaphragm box of changer, in the in-service use process, as shown in figure 1, because the quality of water of industrial circulating water, contain a certain amount of organic matter, silt, suspended solid such as dust, the pressure pipe mouth is got to the changer measurement and is flange lug connection with diaphragm box contact segment, it is the stagnant water to get pressure pipeline internal circulating water, after a period of time, silt in the circulating water can be in the gathering of diaphragm box department, reach the measurement or the extrusion diaphragm box that certain degree can block the diaphragm box, influence normal measurement, lead to measuring the distortion, influence technology production safety.
The general prevention and treatment mode is that the device is disassembled and inspected when being parked, the membrane box is disassembled, the flushing is carried out, the workload is large, the overhauling time is difficult to guarantee, and the membrane box is protected by repeated disassembling and assembling.
Disclosure of Invention
In view of the above-mentioned problems and needs, the present invention provides a liquid level measuring device, which can achieve the above-mentioned technical objectives and bring other technical effects due to the following technical features.
The utility model provides a liquid level measuring device, include:
the liquid level transmitter is provided with a first diaphragm capsule and a second diaphragm capsule and is applied to liquid level measurement of the air cooling tower;
the air cooling tower is provided with a first port and a second port which are communicated with the air cooling tower, the first port is positioned below the liquid level, the second port is positioned above the liquid level,
the first diaphragm capsule is connected with the first port, and the second diaphragm capsule is connected with the second port;
a first stop valve is connected between the first diaphragm capsule and the first port, and a second stop valve is connected between the second diaphragm capsule and the second port;
further comprising:
one end of the connecting pipe is communicated with the first stop valve, and the other end of the connecting pipe is connected with the first diaphragm capsule;
and the on-off valve is arranged on the connecting pipe and used for releasing or stopping the liquid in the connecting pipe.
In the technical scheme, when liquid level measurement needs to be carried out on the air cooling tower, the first stop valve is opened, so that liquid in the air cooling tower flows out from the first port and flows to the first diaphragm capsule, and the liquid level transmitter senses the pressure of the liquid flowing out from the first port through the first diaphragm capsule to measure the liquid level height of the air cooling tower; after liquid level measurement device used a period, opened the on-off valve and made liquid impact be located the suspended solid of first diaphragm capsule department, made it play the effect of clearance by the outflow of on-off valve department for liquid level measurement device measures more accurately, guarantees the safety of technology production and goes on, and above-mentioned structure avoids dismantling the washing to first diaphragm capsule in addition, reduces work load.
Additionally, according to the utility model discloses a liquid level measuring device can also have following technical characterstic:
in an example of the present invention, the present invention further includes:
the flow guide pipe is arranged on the connecting pipe and communicated with the connecting pipe;
wherein, the on-off valve is installed on the draft tube.
In an example of the present invention, the guide pipe is disposed at an end of the connecting pipe close to the first bellows.
In one example of the present invention, the,
the connecting pipe is connected with the first diaphragm capsule through a first fastener;
a plurality of first positioning holes are arranged on the connecting pipe;
a plurality of second positioning holes are arranged on the first diaphragm capsule;
the first positioning holes correspond to the second positioning holes one by one;
the first fastener penetrates through the first positioning hole and the second positioning hole in sequence.
In one example of the present invention, the,
a first flange is arranged at one end, opposite to the first bellows, of the connecting pipe;
wherein a plurality of the first positioning holes are formed on the first flange.
In one example of the present invention, the,
the connecting pipe is connected with the first stop valve through a second fastening piece;
a plurality of third positioning holes are arranged on the connecting pipe;
a plurality of fourth positioning holes are formed in the first stop valve;
the third positioning holes correspond to the fourth positioning holes one by one;
and the second fastener penetrates through the third positioning hole and the fourth positioning hole in sequence.
In one example of the present invention, the,
the first and second stop valves each include: a flange ball valve;
and the fourth positioning holes are arranged on the flange ball valve.
Preferably, a second flange is arranged at one end of the connecting pipe opposite to the first port;
wherein the third positioning hole is disposed on the second flange.
In an example of the present invention, the present invention further includes:
and the controller is coupled with at least the on-off valve and the first stop valve and is used for controlling the on-off valve and the first stop valve to be switched on and off.
In one example of the present invention, the,
the first port is formed with a first extension pipe, and the first shut-off valve is mounted on the first extension pipe;
the second port is formed with a second extension pipe on which the second shut-off valve is mounted.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
FIG. 1 is a schematic view of a liquid level measuring device according to the prior art;
fig. 2 is a schematic structural diagram of a liquid level measuring device according to an embodiment of the present invention.
List of reference numerals:
an air cooling tower 200;
a first port 201;
a second port 202;
a liquid level changer 10;
a first bellows 11;
a second bellows 12;
a first cut-off valve 20;
a second stop valve 30;
a connection pipe 40;
a first flange 41;
a second flange 42;
an on-off valve 50;
a draft tube 60;
a first extension pipe 70;
a third flange 71;
a second extension pipe 80;
a fourth flange 81.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
According to the utility model discloses a liquid level measuring device, as shown in fig. 2, include:
a liquid level transmitter 10 which is provided with a first capsule 11 and a second capsule 12 and is used for liquid level measurement of the air cooling tower 200;
the air cooling tower 200 has a first port 201 and a second port 202 communicated with the air cooling tower, and the first port 201 is located below the liquid level, the second port 202 is located above the liquid level,
the first bellows 11 is connected with the first port 201, and the second bellows 12 is connected with the second port 202;
a first stop valve 20 is connected between the first bellows 11 and the first port 201, and a second stop valve 30 is connected between the second bellows 12 and the second port 202;
further comprising:
a connection pipe 40, one end of which 40 is connected to the first stop valve 20, and the other end of which is connected to the first bellows 11;
and an on-off valve 50, wherein the on-off valve 50 is disposed on the connection pipe 40 and used for releasing or stopping the liquid in the connection pipe 40.
Specifically, when the liquid level of the air cooling tower 200 needs to be measured, the first stop valve 20 is opened, so that the liquid in the air cooling tower 200 flows out from the first port 201 and flows to the first bellows 11, and the liquid level transmitter 10 senses the pressure of the liquid flowing out from the first port 201 through the first bellows 11 to measure the liquid level height of the air cooling tower 200; after liquid level measurement device used a period, opened on-off valve 50 and made the suspended solid that liquid impact was located first diaphragm capsule 11 department, made it play the effect of clearance by the outflow of on-off valve 50 department for liquid level measurement device measures more accurately, guarantees that the safety of technology production goes on, and above-mentioned structure avoids dismantling the washing to first diaphragm capsule 11 in addition, reduces work load.
In an example of the present invention, the present invention further includes:
a duct 60, the duct 60 being disposed on the connection pipe 40 and communicating with the connection pipe 40;
wherein the on-off valve 50 is installed on the delivery pipe 60;
the fluid in the connection pipe 40 can be guided to a predetermined position by providing the guide pipe 60, and the on-off valve 50 can be mounted on the guide pipe 60 for the convenience of mounting the on-off valve 50.
In an example of the present invention, the fluid guiding pipe 60 is disposed at one end of the connecting pipe 40 close to the first bellows 11; the suspended solid of piling up in first diaphragm capsule 11 department is strikeed to the impact force that liquid produced in air cooling tower 200, opens the back at on-off valve 50, and the suspended solid can be to the opposite direction diffusion of liquid flow direction, through setting up honeycomb duct 60 in being close to first diaphragm capsule 11 department, can be so that the suspended solid in time flowing to honeycomb duct 60, avoids the secondary to pile up, helps improving the cleaning efficiency to the suspended solid like this.
In one example of the present invention, the,
the connecting pipe 40 is connected with the first bellows 11 through a first fastener;
a plurality of first positioning holes are arranged on the connecting pipe 40;
a plurality of second positioning holes are arranged on the first bellows 11;
the first positioning holes correspond to the second positioning holes one by one;
the first fastener sequentially penetrates through the first positioning hole and the second positioning hole;
the connecting pipe 40 and the first diaphragm capsule 11 can be effectively fastened and connected through the first fastening piece, and the reliability is high and the connection is convenient; of course, in order to prevent leakage between the connection pipe 40 and the first bellows 11, a first seal ring is further disposed between the connection pipe 40 and the first bellows 11.
In one example of the present invention, the,
a first flange 41 is arranged at one end of the connecting pipe 40 opposite to the first bellows 11;
wherein a plurality of the first positioning holes are formed on the first flange 41;
the connection between the connection tube 40 and the first bellows 11 can be facilitated by providing the first flange 41;
preferably, the first flange 41 and the connecting pipe 40 are integrally formed.
In one example of the present invention, the,
the connection pipe 40 is connected with the first stop valve 20 through a second fastening member;
a plurality of third positioning holes are configured on the connecting pipe 40;
a plurality of fourth positioning holes are arranged on the first stop valve 20;
the third positioning holes correspond to the fourth positioning holes one by one;
the second fastener penetrates through the third positioning hole and the fourth positioning hole in sequence;
the connecting pipe 40 can be tightly connected with the first stop valve 20 or the second stop valve 30 through a second fastener, and the reliability is high and the connection is convenient; of course, in order to prevent leakage between the connection pipe 40 and the first stop valve 20 or the second stop valve 30, a second seal is further disposed between the connection pipe 40 and the first stop valve 20.
In one example of the present invention, the,
each of the first and second stop valves 20 and 30 includes: a flange ball valve;
the fourth positioning holes are arranged on the flange ball valve;
the flange plate on the flange ball valve can avoid the additional installation of the flange plate matched with the second flange 42, thereby simplifying the installation, and facilitating the connection between the first stop valve 20, the second stop valve 30 and the connecting pipe 40.
In one example of the present invention, the,
a second flange 42 is arranged at one end of the connecting pipe 40 opposite to the first port 201;
wherein the third positioning hole is disposed on the second flange 42;
the connection between the connection pipe 40 and the first shut-off valve 20 or the second shut-off valve 30 can be facilitated by providing the second flange 42.
In an example of the present invention, the present invention further includes:
a controller coupled to at least the on-off valve 50 and the first stop valve 20 for controlling the on-off of the on-off valve 50 and the first stop valve 20;
specifically, when the liquid level of the air cooling tower 200 needs to be measured, the controller opens the first stop valve 20, so that the liquid in the air cooling tower 200 flows out from the first port 201 and flows to the first bellows 11, and the liquid level transmitter 10 senses the pressure of the liquid flowing out from the first port 201 through the first bellows 11 to measure the liquid level height of the air cooling tower 200; after liquid level measurement device used a period, opened on-off valve 50 by the controller and made liquid impact be located the suspended solid of first diaphragm capsule 11 department, made it play the effect of clearance by the outflow of on-off valve 50 department for liquid level measurement device measures more accurately, guarantees that the safety of technology production goes on, and above-mentioned structure avoids dismantling the washing to first diaphragm capsule 11 in addition, reduces work load.
In one example of the present invention, the,
the first port 201 is formed with a first extension pipe 70, and the first shut-off valve 20 is installed on the first extension pipe 70;
the second port 202 is formed with a second extension pipe 80, and the second shut-off valve 30 is mounted on the second extension pipe 80.
The first stop valve 20 and the second stop valve 30 can be conveniently installed by arranging the first extension pipe 70 and the second extension pipe 80, and when the first stop valve 20 and the second stop valve 30 are both flange ball valves, the end parts of the first extension pipe 70 and the second extension pipe 80 are respectively provided with a third flange 71 and a fourth flange 81; of course, the first extension pipe 70 and the first port 201, and the second extension pipe 80 and the second port 202 may be fixedly connected by welding. It can be understood that the third flange 71 and the fourth flange 81 are respectively connected with the first stop valve 20, the second stop valve 30 and the second bellows 12 through third sealing rings, and the second stop valve 30 and the second bellows 12 are respectively connected through fourth sealing rings, so as to ensure the sealing performance of the whole liquid level measuring device 100.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The exemplary embodiments of the liquid level measuring device proposed by the present invention have been described in detail above with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and improvements can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. A liquid level measuring device comprising:
the liquid level transmitter (10) is provided with a first membrane box (11) and a second membrane box (12) and is applied to liquid level measurement of the air cooling tower (200);
the air cooling tower (200) is provided with a first port (201) and a second port (202) which are communicated with the air cooling tower, the first port (201) is positioned below the liquid level, the second port (202) is positioned above the liquid level,
the first bellows (11) is connected with the first port (201), and the second bellows (12) is connected with the second port (202);
wherein a first stop valve (20) is connected between the first bellows (11) and the first port (201), and a second stop valve (30) is connected between the second bellows (12) and the second port (202);
it is characterized in that the preparation method is characterized in that,
further comprising:
one end of the connecting pipe (40) is communicated with the first stop valve (20), and the other end of the connecting pipe (40) is connected with the first diaphragm capsule (11);
and the on-off valve (50) is arranged on the connecting pipe (40) and used for releasing or stopping the liquid in the connecting pipe (40).
2. Level measuring device according to claim 1,
further comprising:
a flow guide pipe (60), wherein the flow guide pipe (60) is arranged on the connecting pipe (40) and communicated with the connecting pipe (40);
wherein the on-off valve (50) is mounted on the draft tube (60).
3. Level measuring device according to claim 2,
the guide pipe (60) is arranged at one end of the connecting pipe (40) close to the first membrane box (11).
4. Level measuring device according to claim 1,
the connecting pipe (40) is connected with the first bellows (11) through a first fastener;
a plurality of first positioning holes are arranged on the connecting pipe (40);
a plurality of second positioning holes are arranged on the first bellows (11);
the first positioning holes correspond to the second positioning holes one by one;
the first fastener penetrates through the first positioning hole and the second positioning hole in sequence.
5. Liquid level measuring device according to claim 4,
a first flange (41) is arranged at one end of the connecting pipe (40) opposite to the first bellows (11);
wherein a plurality of the first positioning holes are formed on the first flange (41).
6. Level measuring device according to claim 1,
the connecting pipe (40) is connected with the first stop valve (20) through a second fastener;
a plurality of third positioning holes are formed in the connecting pipe (40);
a plurality of fourth positioning holes are arranged on the first stop valve (20);
the third positioning holes correspond to the fourth positioning holes one by one;
and the second fastener penetrates through the third positioning hole and the fourth positioning hole in sequence.
7. Liquid level measuring device according to claim 6,
the first and second shut-off valves (20, 30) each include: a flange ball valve;
and the fourth positioning holes are arranged on the flange ball valve.
8. Liquid level measuring device according to claim 6,
a second flange (42) is arranged at one end of the connecting pipe (40) opposite to the first port (201);
wherein the third positioning hole is arranged on the second flange (42).
9. Level measuring device according to claim 1,
further comprising:
and the controller is coupled with at least the on-off valve (50) and the first stop valve (20) and is used for controlling the on-off of the on-off valve (50) and the first stop valve (20) and the closing.
10. Level measuring device according to claim 1,
the first port (201) is formed with a first extension pipe (70), and the first shut-off valve (20) is installed on the first extension pipe (70);
the second port (202) is formed with a second extension pipe (80), and the second shut-off valve (30) is mounted on the second extension pipe (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199245.5U CN212871378U (en) | 2020-09-29 | 2020-09-29 | Liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199245.5U CN212871378U (en) | 2020-09-29 | 2020-09-29 | Liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212871378U true CN212871378U (en) | 2021-04-02 |
Family
ID=75198584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022199245.5U Active CN212871378U (en) | 2020-09-29 | 2020-09-29 | Liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212871378U (en) |
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2020
- 2020-09-29 CN CN202022199245.5U patent/CN212871378U/en active Active
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