CN201983830U - Leachate height monitoring device of domestic garbage landfill - Google Patents
Leachate height monitoring device of domestic garbage landfill Download PDFInfo
- Publication number
- CN201983830U CN201983830U CN201120072024XU CN201120072024U CN201983830U CN 201983830 U CN201983830 U CN 201983830U CN 201120072024X U CN201120072024X U CN 201120072024XU CN 201120072024 U CN201120072024 U CN 201120072024U CN 201983830 U CN201983830 U CN 201983830U
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- CN
- China
- Prior art keywords
- pvc pipe
- monitoring device
- strain gauge
- leachate
- landfill
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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 leachate height monitoring device of a domestic garbage landfill, which comprises a polyvinyl chloride (PVC) pipe, a stress sensor and a reading instrument; the PVC pipe is vertically inserted into the garbage landfill; the bottom of the PVC pipe is arranged above an anti-seepage layer of the garbage landfill, and a plurality of holes for the leachate to pass through are arranged on the PVC pipe; the stress sensor is arranged in the PVC pipe and is above the anti-seepage layer; the output end of the stress sensor is electrically connected with the input end of the reading instrument through a cable; and the reading instrument is arranged outside the garbage landfill. The leachate height monitoring device of the domestic garbage landfill can read the stress at any time, the height of the leachate is obtained by dividing the stress by the weight of the leachate, and the monitoring method is timely, quick and easy to operate; and the monitoring device has a simple structure and low cost, is easy to deploy, and facilitates repairing.
Description
Technical field
The utility model relates to a kind of drop liquid monitoring equipment that oozes, and specifically is meant a kind of MSW landfill leachate regulating height device for monitoring that is used for.
Background technology
Along with the develop rapidly of China's economic construction and the raising day by day of living standards of the people, produce increasing house refuse, wherein major part is buried disposal in refuse landfill.In landfill yard, house refuse is along with the time degrades gradually, produces and ooze drop liquid, if landfill yard closing improper measures, rainwater also can be sneaked into and be oozed drop liquid, increases and oozes the drop output of fluid.Usually oozing drop liquid is discharged at the pipeline of landfill yard bottom by design, but because the frequent silting of pipeline, consequently oozing drop liquid can't discharge, constantly accumulation, serious threat has many because of oozing the excessive precedent that causes landfill yard to destroy of drop liquid height at present to the stability of landfill yard.The height that oozes drop liquid is to influence one of landfill yard stability important parameters, for oozing drop liquid height, except on-the-spot rubbish excavation measures, manually estimates, does not still have other convenient method at present.
The utility model content
In view of this, the purpose of this utility model be to provide a kind of in real time, MSW landfill leachate regulating height monitoring device easily.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of MSW landfill leachate regulating height monitoring device, wherein: comprise pvc pipe, strain gauge and readout instrument; This pvc pipe vertically inserts in the refuse landfill, and the bottom of this pvc pipe is positioned at the top of the impervious barrier of refuse landfill, and this pvc pipe is provided with a plurality of confessions and oozes the hole that drop liquid passes through; This strain gauge places in the pvc pipe and is positioned at the top of impervious barrier, and the output terminal of this strain gauge is by the input end of cable electrical connection readout instrument, and this readout instrument is positioned at garbage loading embeading outside the venue.
Described pvc pipe is wrapped with non-woven geotextile.
The caliber of described pvc pipe is 10cm, and the hole on the described pvc pipe is a circular hole, and the diameter in hole is 0.5cm.
The shell of described strain gauge is a stainless steel casing, and described cable is wrapped with plastic foreskin.
After adopting said structure, a kind of MSW landfill leachate regulating height of the utility model monitoring device has following beneficial effect:
One, strain gauge is positioned at the top of the impervious barrier of refuse landfill, and form with garbage loading embeading readout instrument outside the venue and to be electrically connected, can read stress intensity at any time like this, with this stress value divided by oozing drop liquid severe, promptly obtain oozing the height of drop liquid, this monitoring method is in time quick, easy to operate; Strain gauge is located in the pvc pipe, and pvc pipe vertically inserts in the refuse landfill, low, the easy laying of this monitoring device cost simple in structure, but also help maintenance, only need take out strain gauge from pvc pipe, cable is changed and got final product; Pvc pipe is provided with plurality of holes, oozes drop liquid and enters in the pvc pipe by the hole on the pvc pipe, and the inside and outside drop liquid height that oozes of pvc pipe is consistent like this, can guarantee to measure the accuracy of numerical value;
Two, the non-woven geotextile that swathes outward of pvc pipe can prevent that rubbish from entering in the pvc pipe, play the effect of oozing drop liquid of filtering, the passage that oozes drop liquid turnover pvc pipe is kept clear, and the inside and outside height that oozes drop liquid of pvc pipe is consistent like this, can improve the accuracy of monitoring numerical value.
Description of drawings
The structural representation of a kind of MSW landfill leachate regulating height monitoring device that Fig. 1 relates to for the utility model.
Among the figure:
Pvc pipe 1 non-woven geotextile 2
Strain gauge 3 cables 4
Readout instrument 5 refuse landfills 6
Ooze drop liquid 7
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figure 1, a kind of MSW landfill leachate regulating height of the utility model monitoring device comprises pvc pipe 1, non-woven geotextile 2, strain gauge 3, cable 4 and readout instrument 5.
Pvc pipe 1 vertically inserts in the refuse landfill 6, and the bottom of pvc pipe 1 places the top of the impervious barrier of refuse landfill.Strain gauge 3 is arranged in pvc pipe 1, also is positioned at the top of impervious barrier, and the output terminal of strain gauge 3 is by the input end of cable 4 electrical connection readout instruments 5, and readout instrument 5 is positioned at outside the refuse landfill 6.The shell of strain gauge 3 is a stainless steel casing, and cable 4 is wrapped with plastic foreskin, helps anticorrosionly like this, increases the service life, and reduces the number of times of maintain and replace.
Be drilled with the hole of some on the pvc pipe 1, the caliber of pvc pipe 1 is 10cm, and 1 hole is a circular hole on the pvc pipe, and the diameter in hole is 0.5cm, and pvc pipe 1 is wrapped with non-woven geotextile 2.Ooze the hole that drop liquid 7 sees through non-woven geotextile 2 and pvc pipe 1 in the rubbish, enter in the pvc pipe 1, the height that oozes drop liquid 7 inside and outside the pvc pipe 1 is consistent like this.The caliber of pvc pipe 1 is advisable can put into strain gauge 3; More hole is set on pvc pipe 1, the diameter in hole is a then better effects if of 0.5cm, so both helped to form the passage that oozes drop liquid 7 quick turnover pvc pipes, the height of drop liquid 7 is oozed in reflection in time, also can stop short grained impurity to enter in the pvc pipe, avoid the accuracy that passage stops up, numerical value is measured in influence.The effect of non-woven geotextile 2 is to prevent that impurity such as rubbish, particle etc. from entering in the pvc pipe 1, play the effect of oozing drop liquid of filtering, it is without hindrance that the passage that oozes 7 turnover of drop liquid is kept clear, and can guarantee accuracy, the promptness of measured value, can also reduce the number of times of maintain and replace.When needing to change after strain gauge 3 and cable 4 long-term the uses, only need from pvc pipe 1, to take out to get final product, so the utility model is also very convenient aspect operation and maintenance.
The principle of work of the utility model MSW landfill leachate regulating height monitoring device is: all there is stress in any position in oozing drop liquid 7, and stress intensity oozes drop liquid 7 height and the product that oozes drop liquid 7 severes for certain position.Utilize strain gauge 3 to measure and ooze the stress of drop liquid 7 bottoms, read stress intensity,, promptly obtain oozing the height of drop liquid 7 divided by oozing drop liquid 7 severes by readout instrument 5.
After refuse landfill is closed, utilize rig, and hole depth is less than the degree of depth of garbage loading embeading, guarantees to hole and can not pass the impervious barrier of refuse landfill 6 in refuse landfill 6 borings; Pvc pipe 1 is inserted in the hole of refuse landfill 6, during insertion, utilize the inclination angle of spirit-leveling instrument monitoring pvc pipe 1, to guarantee to remain in the insertion process vertically; After treating that pvc pipe 1 inserts landfill yard 6, strain gauge 3 is put into pvc pipe 1.Because the utility model does not destroy impervious barrier in observation process, can not ooze drop liquid and leak, so can't have influence on the seepage control system of landfill yard in insertion, the monitoring location generation of pvc pipe 1.Ooze drop liquid monitor well or gas collection well if refuse landfill 6 is provided with, also can directly pvc pipe 1 be put into and ooze drop liquid monitor well or gas collection well,, greatly utilized the convenient rate of existing facility with the supporting use of these monitoring facilitieses.
Present evaluation method for garbage leachate, be to set up numeral or dynamic model, or be to carry out laboratory experiment, and these methods are for different garbage loading embeading places, geological hydrology condition, then need seek different models, and it is carried out complicated analysis and solution process.And the utility model is to ooze drop liquid EXPERIMENTAL STRAIN-STRESS CONVERSION for oozing drop liquid height by monitoring, and the scope of application is very wide, applicable to the waste landfill site leachate height monitoring of different garbage loading embeading modes, different sites.Particularly, can find dangerous situation in time, create favourable opportunity for taking the emergency repair measure for large-scale sanitary filling field.
Device of the present utility model is compared traditional monitoring devices such as liquid level instrument, and have the following advantages: (1) can realize continuous real-time monitoring garbage degradation and rainfall to oozing the influence of drop liquid height, records real-time Monitoring Data continuously; Particularly still can monitor running into extreme weather, manually adopt liquid level gauge then to be difficult to field monitoring; (2) time saving and energy saving, only need to establish pvc pipe at the garbage loading embeading interpolation field, in pvc pipe, insert strain gauge, can read measured value whenever and wherever possible by the readout instrument that is electrically connected outside the soot; After the utility model was laid installation, the automatic data collection record arrived field monitoring without the tester; (3) strain gauge is positioned at the top of impervious barrier, and Monitoring Data is reliable and stable, and monitoring accuracy is higher.
The foregoing description and accompanying drawing and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (4)
1. a MSW landfill leachate regulating height monitoring device is characterized in that: comprise pvc pipe, strain gauge and readout instrument; This pvc pipe vertically inserts in the refuse landfill, and the bottom of this pvc pipe is positioned at the top of the impervious barrier of refuse landfill, and this pvc pipe is provided with a plurality of confessions and oozes the hole that drop liquid passes through; This strain gauge places in the pvc pipe and is positioned at the top of impervious barrier, and the output terminal of this strain gauge is by the input end of cable electrical connection readout instrument, and this readout instrument is positioned at garbage loading embeading outside the venue.
2. a kind of MSW landfill leachate regulating height monitoring device as claimed in claim 1, it is characterized in that: described pvc pipe is wrapped with non-woven geotextile.
3. a kind of MSW landfill leachate regulating height monitoring device as claimed in claim 2, it is characterized in that: the caliber of described pvc pipe is 10cm, the hole on the described pvc pipe is a circular hole, and the diameter in hole is 0.5cm.
4. a kind of MSW landfill leachate regulating height monitoring device as claimed in claim 1, it is characterized in that: the shell of described strain gauge is a stainless steel casing, and described cable is wrapped with plastic foreskin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120072024XU CN201983830U (en) | 2011-03-18 | 2011-03-18 | Leachate height monitoring device of domestic garbage landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120072024XU CN201983830U (en) | 2011-03-18 | 2011-03-18 | Leachate height monitoring device of domestic garbage landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983830U true CN201983830U (en) | 2011-09-21 |
Family
ID=44611289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120072024XU Expired - Fee Related CN201983830U (en) | 2011-03-18 | 2011-03-18 | Leachate height monitoring device of domestic garbage landfill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183282A (en) * | 2011-03-18 | 2011-09-14 | 华侨大学 | Device for monitoring leachate height of house refuse landfill |
-
2011
- 2011-03-18 CN CN201120072024XU patent/CN201983830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183282A (en) * | 2011-03-18 | 2011-09-14 | 华侨大学 | Device for monitoring leachate height of house refuse landfill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20130318 |