CN201662414U - Maintenance-free sewage level measuring device - Google Patents
Maintenance-free sewage level measuring device Download PDFInfo
- Publication number
- CN201662414U CN201662414U CN2010201452817U CN201020145281U CN201662414U CN 201662414 U CN201662414 U CN 201662414U CN 2010201452817 U CN2010201452817 U CN 2010201452817U CN 201020145281 U CN201020145281 U CN 201020145281U CN 201662414 U CN201662414 U CN 201662414U
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- Prior art keywords
- pressure
- sewage
- guide tube
- maintenance
- sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a maintenance-free sewage level measuring device, which comprises a pressure transmitter and a pressure guide tube, wherein the pressure transmitter is arranged above a sewage tank, and the pressure guide tube is disposed below the pressure transmitter. The upper end of the pressure guide tube is provided with a pressure sensor, the pressure sensor is connected with the pressure transmitter through a cable, and the lower end of the pressure guide tube is placed in sewage in the sewage tank. The pressure guide tube is further connected with a constant-pressure gas leading-in pipe, and a constant-pressure valve is disposed on the constant-pressure gas leading-in pipe. To sum up, water pressure is guided out through the pressure guide tube and can be measured via the pressure sensor mounted on the water surface. The maintenance-free sewage level measuring device can adopt a common pressure sensor which is low in maintenance cost and has long service life more than 10 years, and as the sensor is arranged above the sewage and does not contact with the sewage, the sensor can not be corroded by the sewage or scaled and is free of maintenance during a using process.
Description
Technical field
The utility model belongs to the level measuring technical field, specifically relates to a kind of non-maintaining wastewater level measurement mechanism.
Background technology
The wastewater level measurement is to control a requisite ingredient automatically.Existing wastewater level measurement mechanism as shown in Figure 1, it comprises the pressure unit 1 that is arranged at cesspool 5 tops, pressure unit 1 below is connected with pressure transducer 3 by stube cable and sheath 2, pressure transducer 3 places the sewage in the cesspool 5.The pressure transducer probe is dropped into (putting into) water,, obtain the measurement data of the variation of water level by measuring the pressure variation of sewage to sensor probe.Because the pressure transducer probe is as among the sewage, will cause the corrosion of pressure transducer probe inevitably, probe is caused damage, simultaneously, be very easy to fouling on probe, sensor because the probe fouling will make the level measuring distortion, will can't be measured when serious in use for some time fully.
Because pressure transducer is easily because of corrosion and fouling damage, therefore pressure transducer must have very strong corrosion-resistant and resistive connection dirt ability, it involves great expense, and the life-span often can only reach 1～1.5 year, and need often check, time and effort consuming has improved the production and the maintenance cost of enterprise undoubtedly.
The utility model content
Technical problem to be solved in the utility model provides and a kind ofly can not be corroded, the non-maintaining wastewater level measurement mechanism of fouling.
The technical matters that the utility model proposed is to solve like this: a kind of non-maintaining wastewater level measurement mechanism, comprise the pressure unit that is arranged at the cesspool top, also comprise the connecting pipe that is arranged at the pressure unit below, the upper end of connecting pipe is provided with pressure transducer, pressure transducer is connected with pressure unit by cable, and the lower end of described connecting pipe places the sewage in the cesspool.
Described connecting pipe also is connected with the pressure-sustaining gas ingress pipe.
Described pressure-sustaining gas ingress pipe is provided with constant pressure valve.
In sum, the utility model is derived the water surface by connecting pipe with hydraulic pressure, and pressure can be installed in the pressure transducer of the water surface and measure.The utility model can adopt the usual pressure sensor, its low cost, and the life-span can reach more than 10 years because sensor places sewage top, contact with sewage, therefore can not corroded by sewage, the situation of fouling also can not take place, do not need maintenance in the use.
Description of drawings
Fig. 1 is the structural representation of wastewater level measurement mechanism before improving;
Fig. 2 is the structural representation that improves back wastewater level measurement mechanism;
Wherein: 1-pressure unit, 2-stube cable and sheath, 3-pressure transducer, 4-sewage, 5-cesspool, 6-connecting pipe, 7-pressure-sustaining gas ingress pipe, 8-constant pressure valve.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
As shown in Figure 2, a kind of non-maintaining wastewater level measurement mechanism, comprise the pressure unit 1 that is arranged at cesspool 5 tops, also comprise the connecting pipe 6 that is arranged at pressure unit 1 below, the upper end of connecting pipe 6 is provided with pressure transducer 3, pressure transducer 3 is connected with pressure unit 1 by cable, and the lower end of described connecting pipe 6 places the sewage 4 in the cesspool 5.Described connecting pipe 6 also is connected with pressure-sustaining gas ingress pipe 7.Described pressure-sustaining gas ingress pipe 7 is provided with constant pressure valve 8.
During concrete enforcement, it is good that connecting pipe uses copper or stainless steel pipe, and connecting pipe is connected with pressure transducer to use and is threaded, and guarantees impermeability.The pressurized air or the nitrogen that replenish are decompressed to very little pressure (as: 50Pa) by reduction valve, are used for replenishing the gas of connecting pipe (separated or leak by water-soluble) loss, guarantee that level measuring is accurate.If the on-the-spot condition that does not possess additional pressurized air or nitrogen also can guaranteed under the bubble-tight prerequisite, in connecting pipe, inject a little liquid lubricating oil, avoid the air in the connecting pipe to leak or separated by water-soluble.
Claims (3)
1. non-maintaining wastewater level measurement mechanism, comprise the pressure unit (1) that is arranged at cesspool (5) top, it is characterized in that: also comprise the connecting pipe (6) that is arranged at pressure unit (1) below, the upper end of connecting pipe (6) is provided with pressure transducer (3), pressure transducer (3) is connected with pressure unit (1) by cable, and the lower end of described connecting pipe (6) places the sewage (4) in the cesspool (5).
2. according to the described non-maintaining wastewater level measurement mechanism of claim 1, it is characterized in that: described connecting pipe (6) also is connected with pressure-sustaining gas ingress pipe (7).
3. according to the described non-maintaining wastewater level measurement mechanism of claim 2, it is characterized in that: described pressure-sustaining gas ingress pipe (7) is provided with constant pressure valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201452817U CN201662414U (en) | 2010-03-30 | 2010-03-30 | Maintenance-free sewage level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201452817U CN201662414U (en) | 2010-03-30 | 2010-03-30 | Maintenance-free sewage level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201662414U true CN201662414U (en) | 2010-12-01 |
Family
ID=43232833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201452817U Expired - Fee Related CN201662414U (en) | 2010-03-30 | 2010-03-30 | Maintenance-free sewage level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201662414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865572A (en) * | 2016-05-31 | 2016-08-17 | 佛山市云米电器科技有限公司 | Detection device for water level in container and detection method thereof |
| CN111595410A (en) * | 2020-06-17 | 2020-08-28 | 山东东山矿业有限责任公司株柏煤矿 | Method for measuring water level of Aurea ash water hole of tancotta fracture zone associated steeply inclined coal seam |
-
2010
- 2010-03-30 CN CN2010201452817U patent/CN201662414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865572A (en) * | 2016-05-31 | 2016-08-17 | 佛山市云米电器科技有限公司 | Detection device for water level in container and detection method thereof |
| CN111595410A (en) * | 2020-06-17 | 2020-08-28 | 山东东山矿业有限责任公司株柏煤矿 | Method for measuring water level of Aurea ash water hole of tancotta fracture zone associated steeply inclined coal seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |