CN204330069U - A kind of air cooling tower liquid level detection device - Google Patents
A kind of air cooling tower liquid level detection device Download PDFInfo
- Publication number
- CN204330069U CN204330069U CN201420555801.XU CN201420555801U CN204330069U CN 204330069 U CN204330069 U CN 204330069U CN 201420555801 U CN201420555801 U CN 201420555801U CN 204330069 U CN204330069 U CN 204330069U
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- liquid level
- detection device
- cooling tower
- air cooling
- level detection
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Abstract
The utility model discloses a kind of air cooling tower liquid level detection device, by being arranged at mutually level first liquid level detection device and the second liquid level detection device outside air cooling tower, detect air cooling tower liquid level respectively, and show over the display, achieve and by two liquid level detection devices, air cooling tower liquid level is detected and long-range display, enable the liquid level of operating personnel's remote monitoring air cooling tower, so that when air cooling tower liquid level breaks down, operating personnel can react in time, make counter-measure.
Description
Technical field
The utility model relates to level sensing field, particularly relates to a kind of air cooling tower liquid level detection device.
Background technology
Air separation unit, namely each component gas in air is separated, its idiographic flow is from air self-cleaning strainer, air compressor machine, chilldown system to air cleaning system, supercharger, decompressor, then to air separation column, any one link goes wrong all directly can affect the production of air separation unit.
Wherein, air cooling tower is the visual plant of chilldown system in air separation unit, in air separation unit system production process, air cooling tower level sensing with relate to device security and stable conditions whether significant process when controlling and control.
In normal productive process, no matter, all can cause more serious consequence if there is too high or too low situation in air cooling tower liquid level.When liquid level is too high, air cooling tower liquid level can exceed air compressor machine, and enters air cooling tower outlet conduit, and pressure-air can be with free state steam to enter molecular sieve, causes molecular sieve equipment water entering accident; When liquid level is too low, pressure-air can be caused to enter recirculated water return main, and then damage the nozzle of cooling fan, meanwhile, pressure-air can destroy the network of rivers, causes the security incident of equipment.
Usually carried out the scene instruction of air cooling tower liquid level by magnetic flap level gauge in prior art, but when air cooling tower liquid level goes wrong time, operations staff cannot reach air cooling tower scene fast, see air cooling tower liquid level by magnetic flap level gauge, this makes troubles with regard to the detection for liquid level.
Utility model content
In view of this, the utility model provides a kind of air cooling tower liquid level detection device, and to realize carrying out accurately and fast detecting to air cooling tower liquid level, its concrete scheme is as follows:
A kind of air cooling tower liquid level detection device, comprise: be arranged at the first liquid level detection device outside air cooling tower, be arranged at the second liquid level detection device outside air cooling tower, the display be connected with described first liquid level detection device and the second liquid level detection device respectively, wherein:
Described first liquid level detection device and the second liquid level detection device are arranged at the sustained height place of described air cooling tower;
Described first liquid level detection device and the second liquid level detection device are respectively used to detect the liquid level in described air cooling tower, are designated as the first liquid level, the second liquid level respectively;
Described display is arranged at remote monitoring terminal, for showing described first liquid level and the second liquid level.
Further, also comprise: the first alarm unit be connected with described first liquid level detection device, the second alarm unit be connected with described second liquid level detection device, wherein:
When described first liquid level detection device detects that described first liquid level exceeds default liquid level warning value, described first alarm unit sends the first alerting signal;
When described second liquid level detection device detects that described second liquid level exceeds default liquid level warning value, described second alarm unit sends the first alerting signal.
Further, also comprise: the first Electromagnetic Flow being arranged at the inlet channel of described air cooling tower takes into account the second electromagnetic flowmeter, be arranged at the 3rd electromagnetic flowmeter of the outlet conduit of described air cooling tower, the computing unit that display is connected respectively is taken into account with described first electromagnetic flowmeter, the second electromagnetic flowmeter, the 3rd Electromagnetic Flow, wherein:
Described first electromagnetic flowmeter is for obtaining chilled water inflow; Described second electromagnetic flowmeter is for obtaining general cold water inflow; Described 3rd electromagnetic flowmeter is for obtaining air cooling tower aquifer yield;
Described computing unit is used for obtaining air cooling tower liquid level according to described chilled water inflow, general cold water inflow and aquifer yield, and the 3rd liquid level;
Described display is for showing described 3rd liquid level.
Further, also comprise: the 3rd alarm unit be connected with described computing unit, wherein:
When described computing unit detects that described 3rd liquid level exceeds default liquid level warning value, described 3rd alarm unit sends the first alerting signal.
Further, also comprise: the first comparing unit be connected with described display,
Described first comparing unit, for comparing the first liquid level, the second liquid level and the 3rd liquid level difference between any two and the size of default level imbalance value, obtains comparative result.
Further, also comprise: the second comparing unit be connected with described first comparing unit, wherein:
Described second comparing unit is used for choosing effective liquid level according to comparative result, and the height between more described effective liquid level and level-set point, obtains the second comparative result, is regulated by the valve opening of described second comparative result to draining valve.
Further, also comprise: four solenoid valves being arranged at the first liquid level detection device and the second liquid level detection device malleation, negative pressure sewage draining exit respectively.
Further, also comprise: the 4th alarm unit be connected respectively with described four solenoid valves, wherein:
Described 4th alarm unit is used for when the valve opening of solenoid valve exceedes default open range, sends the second alerting signal.
Further, described first liquid level detection device and the second liquid level detection device are specially: first pair of flange liquid level transmission device and second pair of flange liquid level transmission device.
Further, described 4th alarm unit is specially: audible-visual annunciator.
As can be seen from technique scheme, air cooling tower liquid level detection device disclosed in the present application, by being arranged at mutually level first liquid level detection device and the second liquid level detection device outside air cooling tower, detect air cooling tower liquid level respectively, and show over the display, achieve and by two liquid level detection devices, air cooling tower liquid level is detected and long-range display, enable the liquid level of operating personnel's remote monitoring air cooling tower, and by two liquid level detection devices, make testing result more reliable, so that when air cooling tower liquid level breaks down, operating personnel can react in time, make counter-measure.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of air cooling tower liquid level detection device disclosed in the utility model embodiment;
The structural representation of Fig. 2 a kind of air cooling tower liquid level detection device disclosed in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of air cooling tower liquid level detection device, its structural representation as shown in Figure 1, comprising:
Be arranged at the first liquid level detection device 11 outside air cooling tower, be arranged at the second liquid level detection device 12 outside air cooling tower, the display 13 be connected with the first liquid level detection device 11 and the second liquid level detection device 12 respectively.
Wherein, the first liquid level detection device 11 and the second liquid level detection device 12 are arranged at the sustained height place of air cooling tower, and are arranged at the both sides at air cooling tower sustained height place respectively.
First liquid level detection device 11 and the second liquid level detection device 12 are all for detecting the liquid level in air cooling tower, the liquid level that first liquid level detection device 11 detects is designated as the first liquid level, and the liquid level that the second liquid level detection device 12 detects is designated as the second liquid level.
Wherein: the first liquid level detection device is specially first pair of flange liquid level transmission device, the second liquid level detection device is specially second pair of flange liquid level transmission device.
Display 13 is arranged at remote monitoring terminal, for showing the first liquid level that the first liquid level detection device detects and the second liquid level that the second liquid level detection device detects, so that operating personnel observe the liquid level of air cooling tower in time.
Air cooling tower liquid level detection device disclosed in the present embodiment, by being arranged at mutually level first liquid level detection device and the second liquid level detection device outside air cooling tower, detect air cooling tower liquid level respectively, and show over the display, achieve and by two liquid level detection devices, air cooling tower liquid level is detected and long-range display, enable the liquid level of operating personnel's remote monitoring air cooling tower, and by two liquid level detection devices, make testing result more reliable, so that when air cooling tower liquid level breaks down, operating personnel can react in time, make counter-measure.
Further, air cooling tower liquid level detection device disclosed in the present embodiment, can also comprise: the first alarm unit 14 be connected with the first liquid level detection device 11, the second alarm unit 15 be connected with the second liquid level detection device 12.
Wherein: when the first liquid level detection device 11 detects that the first liquid level exceeds default liquid level warning value, the first alarm unit 14 sends the first alerting signal;
When second liquid level detection device 12 detects that the second liquid level exceeds default liquid level warning value, the second alarm unit 15 sends the second alarm unit.
First alarm unit 14 and the second alarm unit 15, for when the first liquid level or the second liquid level exceed liquid level warning value, send alerting signal, carry out site inspection to remind operating personnel.
First alarm unit 14 and the second alarm unit 15 can be specially audible-visual annunciator.
Present embodiment discloses a kind of air cooling tower liquid level detection device, its structural representation as shown in Figure 2, comprising:
Be arranged at the first liquid level detection device 21 and the second liquid level detection device 22 outside air cooling tower, the display 23 be connected with the first liquid level detection device 21 and the second liquid level detection device 22 respectively, be arranged at the first electromagnetic flowmeter 24 and the second electromagnetic flowmeter 25 of the inlet channel of air cooling tower, be arranged at the 3rd electromagnetic flowmeter 26 of air cooling tower outlet conduit, the computing unit 27 be connected respectively with the first electromagnetic flowmeter 24, second electromagnetic flowmeter 25, the 3rd electromagnetic flowmeter 26 and display 23.
Except the structure identical with a upper embodiment, the present embodiment also add three Electromagnetic Flows and takes into account a computing unit, wherein:
First electromagnetic flowmeter 24 is for obtaining chilled water inflow, and the second electromagnetic flowmeter 25 is for obtaining general cold water inflow, and the 3rd electromagnetic flowmeter 26 is for obtaining the aquifer yield of air cooling tower.
Computing unit 27 is for obtaining air cooling tower liquid level according to chilled water inflow, general cold water inflow and aquifer yield, i.e. the 3rd liquid level, the water yield that what the difference after chilled water inflow and general cold water inflow and between aquifer yield represented is in air cooling tower, air cooling tower floorage is determined, so can calculate the liquid level in air cooling tower, i.e. the 3rd liquid level, is specially:
Wherein: L01C is the 3rd liquid level, F01A is the flow of inlet water of the electromagnetic flowmeter metering of chilled water water inlet, and F01B is the flow of inlet water of the electromagnetic flowmeter metering of Pu Lengshuijinshuikouchu, and S is the floorage of air cooling tower.
Shown at display 23 by the result of calculation of computing unit 27 i.e. the 3rd liquid level L01C, the first liquid level and the second liquid level also show at display 23 simultaneously.
In air cooling tower liquid level detection device disclosed in the present embodiment, can also comprise: the 3rd alarm unit.
Wherein: the 3rd alarm unit is connected with computing unit 27, when computing unit 27 detects that the 3rd liquid level exceeds default liquid level warning value, the 3rd alarm unit sends the first alerting signal and reports to the police.
Concrete, the 3rd alarm unit can be audible-visual annunciator.
When operating personnel observe the first liquid level, the second liquid level and the 3rd liquid level by display 23, can judge to choose one of them liquid level as effective liquid level by artificial, also can be undertaken choosing and regulating by the first comparing unit 28 and the second comparing unit 29.
Wherein: the first comparing unit 28 is connected with display 23, for relatively presetting level imbalance value H, obtain the first liquid level L01A, the second liquid level L01B and the 3rd liquid level L01C difference between any two, difference between any two and default level imbalance value are compared, draws comparative result; Second comparing unit 29, for choosing effective liquid level, the height between more effective liquid level and level-set point according to comparative result, is obtained the second comparative result, is regulated by the valve opening of the second comparative result to draining valve, concrete:
When | L01A-L01B| >=H, | L01A-L01C| >=H and | during L01B-L01C| >=H, judge that L01C is as effective liquid level, because L01C is result of calculation, when difference between any two is all greater than level imbalance value, judge that L01C is worth the most accurately as in three liquid levels, i.e. effective liquid level, no matter L01A, L01B and L01C difference result between any two how, L01C is the result calculated, think that it is normal outcome, now, L01A and L01B is fault liquid level, now, choose according to fault liquid level and occur location of fault, and report to the police, prompting is carried out blowdown process to the position of breaking down and is reached normal condition to make liquid level,
When | L01A-L01B| < H, | L01A-L01C| < H and | during L01B-L01C| < H, judge that L01A is as effective liquid level, L01B and L01C is also normal level, now, reports to the police and blowdown process without the need to carrying out;
When | L01A-L01B| >=H, | L01A-L01C| >=H and | during L01B-L01C| < H, judge that L01B is as effective liquid level, L01A is fault liquid level, in this case, the difference between L01B and L01C is only had to be less than level imbalance value, and L01C is result of calculation, belong to normal level, L01B is so only had to be effective liquid level, L01A is fault liquid level, now, chooses location of fault according to fault liquid level, and report to the police, remind and blowdown process is carried out to the position of breaking down reach normal condition to make liquid level;
When | L01A-L01B| >=H, | L01A-L01C| < H and | during L01B-L01C| >=H, judge that L01A is as effective liquid level, L01B is fault liquid level, in this case, the difference between L01A and L01C is only had to be less than level imbalance value, and L01C is result of calculation, belong to normal level, L01A is so only had to be effective liquid level, L01B is fault liquid level, now, chooses location of fault according to fault liquid level, and report to the police, remind and blowdown process is carried out to the position of breaking down reach normal condition to make liquid level;
When | L01A-L01B| < H, | L01A-L01C| >=H and | during L01B-L01C| >=H, judge that L01C is as effective liquid level, L01A and L01B is fault liquid level, in this case, it is no matter the difference of L01A and L01C or the difference of L01B and L01C is all greater than level imbalance value, now, can conclude that L01A and L01B is fault liquid level, can only set L01C is effective liquid level, location of fault is chosen according to fault liquid level, and report to the police, remind and blowdown process is carried out to the position of breaking down reach normal condition to make liquid level.
Preset level-set point, when effective liquid level is higher than level-set point, draining valve controlling opening of valve increases gradually, makes liquid level maintain in the normal range of level-set point;
When effective liquid level is lower than level-set point, draining valve controlling opening of valve reduces gradually, and liquid level is maintained in the normal range of level-set point.
Wherein, at sewage outfalls setting 4 solenoid valve for water of air cooling tower, 4 solenoid valves are arranged at malleation, the negative pressure sewage draining exit of the first liquid level detection device and the second liquid level detection device respectively, carry out blowdown process by solenoid valve for water to fault liquid level.
Further, in air cooling tower liquid level detection device disclosed in the present embodiment, can also comprise: the 4th alarm unit, wherein:
4th alarm unit is connected with 4 solenoid valves respectively, for when the valve opening of solenoid valve exceedes default open range, sends the second alerting signal.
Wherein, the 4th alarm unit is specifically as follows: audible-visual annunciator.
Air cooling tower liquid level detection device disclosed in the present embodiment, by comparing with the size of default level imbalance value difference between any two in the first liquid level detected and the second liquid level and the 3rd liquid level three that calculates, choose effective liquid level, this programme obtains effective liquid level by two level sensing results and a liquid level result of calculation, achieve the accurate acquisition to air cooling tower liquid level, decrease the possibility of air cooling tower liquid level appearance compared with big error; And the height between more effective liquid level and level-set point, obtain the second comparative result, regulated by the valve opening of the second comparative result to draining valve, achieve the accurate control to draining valve valve, and furthermore achieved that the fine adjustment to air cooling tower liquid level.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an air cooling tower liquid level detection device, it is characterized in that, comprising: be arranged at the first liquid level detection device outside air cooling tower, be arranged at the second liquid level detection device outside air cooling tower, the display be connected with described first liquid level detection device and the second liquid level detection device respectively, wherein:
Described first liquid level detection device and the second liquid level detection device are arranged at the sustained height place of described air cooling tower;
Described first liquid level detection device and the second liquid level detection device are respectively used to detect the liquid level in described air cooling tower, are designated as the first liquid level, the second liquid level respectively;
Described display is arranged at remote monitoring terminal, for showing described first liquid level and the second liquid level.
2. device according to claim 1, is characterized in that, also comprises: the first alarm unit be connected with described first liquid level detection device, the second alarm unit be connected with described second liquid level detection device, wherein:
When described first liquid level detection device detects that described first liquid level exceeds default liquid level warning value, described first alarm unit sends the first alerting signal;
When described second liquid level detection device detects that described second liquid level exceeds default liquid level warning value, described second alarm unit sends the first alerting signal.
3. device according to claim 1, it is characterized in that, also comprise: the first Electromagnetic Flow being arranged at the inlet channel of described air cooling tower takes into account the second electromagnetic flowmeter, be arranged at the 3rd electromagnetic flowmeter of the outlet conduit of described air cooling tower, the computing unit that display is connected respectively is taken into account with described first electromagnetic flowmeter, the second electromagnetic flowmeter, the 3rd Electromagnetic Flow, wherein:
Described first electromagnetic flowmeter is for obtaining chilled water inflow; Described second electromagnetic flowmeter is for obtaining general cold water inflow; Described 3rd electromagnetic flowmeter is for obtaining air cooling tower aquifer yield;
Described computing unit is used for obtaining air cooling tower liquid level, i.e. the 3rd liquid level according to described chilled water inflow, general cold water inflow and aquifer yield;
Described display is for showing described 3rd liquid level.
4. device according to claim 3, is characterized in that, also comprises: the 3rd alarm unit be connected with described computing unit, wherein:
When described computing unit detects that described 3rd liquid level exceeds default liquid level warning value, described 3rd alarm unit sends the first alerting signal.
5. device according to claim 3, is characterized in that, also comprises: the first comparing unit be connected with described display,
Described first comparing unit, for comparing the first liquid level, the second liquid level and the 3rd liquid level difference between any two and the size of default level imbalance value, obtains comparative result.
6. device according to claim 5, is characterized in that, also comprises: the second comparing unit be connected with described first comparing unit, wherein:
Described second comparing unit is used for choosing effective liquid level according to comparative result, and the height between more described effective liquid level and level-set point, obtains the second comparative result, is regulated by the valve opening of described second comparative result to draining valve.
7. device according to claim 1, is characterized in that, also comprises: four solenoid valves being arranged at the first liquid level detection device and the second liquid level detection device malleation, negative pressure sewage draining exit respectively.
8. device according to claim 7, is characterized in that, also comprises: the 4th alarm unit be connected respectively with described four solenoid valves, wherein:
Described 4th alarm unit is used for when the valve opening of solenoid valve exceedes default open range, sends the second alerting signal.
9. according to the device in claim 1-8 described in any one, it is characterized in that, described first liquid level detection device and the second liquid level detection device are specially: first pair of flange liquid level transmission device and second pair of flange liquid level transmission device.
10. device according to claim 8, is characterized in that, described 4th alarm unit is specially: audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555801.XU CN204330069U (en) | 2014-09-25 | 2014-09-25 | A kind of air cooling tower liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555801.XU CN204330069U (en) | 2014-09-25 | 2014-09-25 | A kind of air cooling tower liquid level detection device |
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| CN204330069U true CN204330069U (en) | 2015-05-13 |
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| CN201420555801.XU Expired - Fee Related CN204330069U (en) | 2014-09-25 | 2014-09-25 | A kind of air cooling tower liquid level detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091973A (en) * | 2015-08-26 | 2015-11-25 | 珠海格力电器股份有限公司 | Device and method for detecting water level in water tank |
| CN107478294A (en) * | 2017-09-18 | 2017-12-15 | 神华集团有限责任公司 | Groundwater reservoir Level monitor and method |
| CN107642159A (en) * | 2017-10-27 | 2018-01-30 | 武汉圣禹排水系统有限公司 | A kind of filter screen with fault detection system, sewage treatment well and detecting method |
-
2014
- 2014-09-25 CN CN201420555801.XU patent/CN204330069U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091973A (en) * | 2015-08-26 | 2015-11-25 | 珠海格力电器股份有限公司 | Device and method for detecting water level in water tank |
| CN107478294A (en) * | 2017-09-18 | 2017-12-15 | 神华集团有限责任公司 | Groundwater reservoir Level monitor and method |
| CN107478294B (en) * | 2017-09-18 | 2019-07-30 | 神华集团有限责任公司 | Groundwater reservoir water level monitoring device and method |
| CN107642159A (en) * | 2017-10-27 | 2018-01-30 | 武汉圣禹排水系统有限公司 | A kind of filter screen with fault detection system, sewage treatment well and detecting method |
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