CN104990595A - Hazardous waste safe landfill leachate on-site detection device and method - Google Patents
Hazardous waste safe landfill leachate on-site detection device and method Download PDFInfo
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- CN104990595A CN104990595A CN201510240807.7A CN201510240807A CN104990595A CN 104990595 A CN104990595 A CN 104990595A CN 201510240807 A CN201510240807 A CN 201510240807A CN 104990595 A CN104990595 A CN 104990595A
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- percolate
- open channel
- landfill
- ombrograph
- hazardous waste
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- 239000002920 hazardous waste Substances 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 239000000149 chemical water pollutant Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 239000011152 fibreglass Substances 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 7
- 239000010813 municipal solid waste Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract 2
- 239000012466 permeate Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
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Abstract
The invention discloses a hazardous waste safe landfill leachate on-site detection device which comprises an open channel, a flowmeter and an ombrograph. The open channel is arranged on a leachate main guiding and discharging pipe and/or a leachate secondary guiding and discharging pipe between a safe landfill and a landfill leachate pool, the open channel is close to the landfill leachate pool, the flowmeter is arranged on the open channel, and the ombrograph is arranged at one side of the safe landfill. The hazardous waste safe landfill leachate on-site detection device is advantaged in that the flows of primary leachate and secondary leachate which are generated in the hazardous waste safe landfill can be monitored in real time, by combining the ombrograph, influence of local rainfall on refuse landfill leachate can be studied, and the generation case of leachate can be analyzed, and production is controllable, the flow of the secondary leachate can be monitored on line, whether an anti-permeate film on the bottom of the landfill is ruptured or not can be discovered timely, the change of damage degree of the anti-permeate film can be analyzed according to the flow, and combing the detection data of detection wells around the landfill, whether measures of temporary closure of the landfill and the like need to be taken to prevent further seepage and pollution on underground water is determined.
Description
Technical field
The present invention relates to a kind of onthe technology of site test field, specifically, relate to a kind of hazardous waste security landfill field percolate on-site detecting device and method.
Background technology
Security landfill is the international and domestic main method of disposal of one taked industrial solid hazardous waste now, is often considered to for the harm reduced and eliminate refuse, a kind of final disposal measure of taking after carrying out various mode process to it.Current China hazardous waste mainly disposes means or security landfill, because China's process of industrialization experienced by a develop rapidly phase in recent years, the generation of hazardous waste also increases rapidly, needs the quantity of internal security landfill yard also in continuous increase in order to what dispose.
Similar with sanitary filling field, hazardous waste security landfill field also can produce percolate.The water that the moisture Sum decomposition that percolate is mainly derived from precipitation and rubbish itself produces; The main pollutant component of percolate comprises various organism, ammonia nitrogen and heavy metal etc., and the type of waste of its contamination and landfill, component, land-fill method, landfill time, the hydrogeological condition in landfill place, different seasons and weather etc. are closely related.Due to the difference of landfill refuse, compared with Sanitary Landfill, the percolate of security landfill field has larger contaminative, therefore, need to strengthen the Real-Time Monitoring to security landfill field percolate, generation and the leakage scenarios of percolate should be able to be grasped according to the generation of percolate and composition transfer in time, prevent the generation of unscheduled event.
Summary of the invention
The object of the present invention is to provide a kind of hazardous waste security landfill field percolate on-site detecting device and method, to solve the above-mentioned technical matters existed in prior art.
Technical scheme of the present invention is achieved in that
According to an aspect of the present invention, a kind of hazardous waste security landfill field percolate on-site detecting device is provided.
This security landfill field percolate on-site detecting device comprises open channel, flowmeter and ombrograph, wherein, the described open channel percolate be arranged between landfill yard and landfill percolate pond is dominated on comb and/or percolate time discharge guiding pipe, and described open channel is near described landfill percolate pond; Described flowmeter is arranged on described open channel; Described ombrograph is arranged at the side of described refuse landfill.
Wherein, to dominate flowmeter on the open channel of comb not identical with sensing range with the accuracy of detection of the flowmeter on the open channel of described percolate time discharge guiding pipe for described percolate.
Wherein, it is foursquare open channel body that described open channel comprises cross section, and the top middle portion of described open channel body is provided with V-shaped groove, and the bottom that bottom and the described percolate of this V-shaped groove dominate comb and/or percolate time discharge guiding pipe is mutually neat.
Preferably, the opening angle of described V-shaped groove is 90 °.
Preferably, the material of described open channel is fiberglass.
Preferably, described ombrograph is the online ombrograph of double skip.
According to a further aspect in the invention, a kind of hazardous waste security landfill field percolate in-situ check and test method is provided.
This security landfill field percolate in-situ check and test method comprises: the percolate between landfill yard and landfill percolate pond is dominated on comb and/or percolate time discharge guiding pipe and built open channel, and wherein, described open channel is near described landfill percolate pond; Open channel is installed pre-configured flowmeter, and, in the side of described security landfill field, ombrograph is installed; According to the monitoring result of described flowmeter and the record result of described ombrograph, percolate is detected and judges.
Wherein, to dominate flowmeter on the open channel of comb not identical with sensing range with the accuracy of detection of the flowmeter on the open channel of described percolate time discharge guiding pipe for described percolate.
Wherein, it is foursquare open channel body that described open channel comprises cross section, and the top middle portion of described open channel body is provided with V-shaped groove, and the bottom that bottom and the described percolate of this V-shaped groove dominate comb and/or percolate time discharge guiding pipe is mutually neat.
Preferably, the opening angle of described V-shaped groove is 90 °.
Preferably, the material of described open channel is fiberglass.
Preferably, described ombrograph is the online ombrograph of double skip.
Beneficial effect of the present invention is, Real-Time Monitoring can be carried out to the elementary and secondary percolate flow that rubbish security landfill field produces, simultaneously in conjunction with ombrograph, not only can investigate the impact of this area's rainfall on security landfill field percolate, can also analyze according to percolate production, accomplish that production is controlled; Online flow monitoring is carried out to secondary percolate, can whether break by Timeliness coverage landfill yard base impervious film, and can change according to its damaged degree of the Analyzing on Size of flow, in conjunction with the inspection logging monitoring data of landfill yard periphery, determine whether take the measures such as temporarily closing to avoid further seepage and the pollution to underground water.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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.
Fig. 1 is the structural representation of the security landfill field percolate on-site detecting device according to the embodiment of the present invention;
Fig. 2 is the structural representation of the open channel according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
According to embodiments of the invention, provide a kind of security landfill field percolate on-site detecting device.
As shown in Figure 1-2, a kind of security landfill field percolate on-site detecting device according to the embodiment of the present invention comprises: open channel 1,2, flowmeter 3,4, and ombrograph 5, wherein, described open channel 1,2 percolate be arranged at respectively between security landfill field 6 and landfill percolate pond 7 is dominated on comb 8 and/or percolate time discharge guiding pipe 9, and described open channel 1,2 is near described landfill percolate pond 7; Described flowmeter 3,4 is arranged on described open channel 1,2; Described ombrograph 5 is arranged at the side of described refuse landfill 6.
Wherein, to dominate flowmeter 3 on the open channel 1 of comb 8 not identical with sensing range with the accuracy of detection of the flowmeter 4 on the open channel 2 of described percolate time discharge guiding pipe 9 for described percolate.
Wherein, it is foursquare open channel body that described open channel 1,2 comprises cross section, and the top middle portion of described open channel body is provided with V-shaped groove 11, and the bottom that bottom and the described percolate of this V-shaped groove 11 dominate comb 8 and/or percolate time discharge guiding pipe 9 is mutually neat.
Preferably, the opening angle of described V-shaped groove 11 is 90 °.
Preferably, the material of described open channel 1,2 is fiberglass.
Preferably, described ombrograph 5 is the online ombrograph of double skip.
According to embodiments of the invention, additionally provide a kind of security landfill field percolate in-situ check and test method.
A kind of security landfill field percolate in-situ check and test method according to the embodiment of the present invention comprises the steps:
Step S301, the percolate between security landfill field 6 and landfill percolate pond 7 is dominated on comb 8 and/or percolate time discharge guiding pipe 9 and is built open channel 1,2, and wherein, described open channel 1,2 is near described landfill percolate pond 7;
Step S303, open channel 1,2 is installed pre-configured flowmeter 3,4, and, in the side of described refuse landfill 6, ombrograph 5 is installed;
Step S305, according to the described monitoring result of flowmeter 3,4 and the record result of described ombrograph 5, detects percolate and judges.
Wherein, to dominate flowmeter 3 on the open channel 1 of comb 8 not identical with sensing range with the accuracy of detection of the flowmeter 4 on the open channel 2 of described percolate time discharge guiding pipe 9 for described percolate.
Wherein, it is foursquare open channel body that described open channel 1,2 comprises cross section, and the top middle portion of described open channel body is provided with V-shaped groove 11, and the bottom that bottom and the described percolate of this V-shaped groove 11 dominate comb 8 and/or percolate time discharge guiding pipe 9 is mutually neat.
Preferably, the opening angle of described V-shaped groove 11 is 90 °.
Preferably, the material of described open channel 1,2 is fiberglass.
Preferably, described ombrograph 5 is the online ombrograph of double skip.
Conveniently understand technique scheme of the present invention, from concrete use procedure, technique scheme of the present invention is described in detail below.
When specifically using, dominating comb 8 and percolate time discharge guiding pipe 9 at percolate and blocking close to the position in landfill percolate pond 7, respectively building a standard open channel 1,2; Open channel 1,2 material requires as fiberglass, plate face is smooth, smooth, distortionless, to install flowmeter (online) 3,4 at this place, the percolate that landfill yard produces can enter open channel 1,2 in time, does not affect leachate generation on-line monitoring and the detection to composition; Percolate drains into landfill percolate pond 7 through piping after flowing through flowmeter 3,4.By the installation of online flowmeter 3,4, Real-Time Monitoring is carried out to percolate.In addition at the online ombrograph 5 of landfill yard in-site installation double skip, record the generation of rainfall at any time, the producing cause of auxiliary judgment percolate.
When there is no rainfall, the generation of percolate can be observed, record at any time according to flowmeter 3,4.During normal landfill operation, the generation of percolate is stable; When the generation of percolate increases suddenly, illustrate and there occurs seepage.The monitoring situation of the flowmeter 3 on comb 8 and the flowmeter 4 on percolate time discharge guiding pipe 9 is dominated according to percolate, can judge which layer antiseepage film there occurs seepage, take in time to remedy and emergency measure, thus avoid large leakage to produce, and avoid the formation of potential safety hazard.
As can be seen here, by means of technique scheme of the present invention, Real-Time Monitoring can be carried out to the elementary and secondary percolate flow that security landfill field produces, simultaneously in conjunction with ombrograph, not only can investigate the impact of this area's rainfall on security landfill field percolate, can also analyze according to percolate production, accomplish that production is controlled; Online flow monitoring is carried out to secondary percolate, can whether break by Timeliness coverage landfill yard base impervious film, and can, according to its damaged degree of the Analyzing on Size of flow, take the measures such as temporarily closing to avoid further seepage and the pollution to underground water.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a hazardous waste security landfill field percolate on-site detecting device, it is characterized in that, comprise open channel, flowmeter and ombrograph, wherein, the described open channel percolate be arranged between security landfill field and landfill percolate pond is dominated on comb and/or percolate time discharge guiding pipe, and described open channel is near described landfill percolate pond; Described flowmeter is arranged on described open channel; Described ombrograph is arranged at the side of described refuse landfill.
2. hazardous waste security landfill field according to claim 1 percolate on-site detecting device, it is characterized in that, it is not identical with sensing range with the accuracy of detection of the flowmeter on the open channel of described percolate time discharge guiding pipe that described percolate dominates the flowmeter on the open channel of comb.
3. hazardous waste security landfill field according to claim 1 percolate on-site detecting device, it is characterized in that, it is foursquare open channel body that described open channel comprises cross section, the top middle portion of described open channel body is provided with V-shaped groove, and the bottom that bottom and the described percolate of this V-shaped groove dominate comb and/or percolate time discharge guiding pipe is mutually neat.
4. percolate from garbage filling field on-site detecting device according to claim 3, is characterized in that, the opening angle of described V-shaped groove is 90 °.
5. hazardous waste security landfill field according to claim 3 percolate on-site detecting device, is characterized in that, the material of described open channel is fiberglass.
6. hazardous waste security landfill field as claimed in any of claims 1 to 5 percolate on-site detecting device, is characterized in that, described ombrograph is the online ombrograph of double skip.
7. a hazardous waste security landfill field percolate in-situ check and test method, is characterized in that, comprising:
Percolate between security landfill field and landfill percolate pond is dominated on comb and/or percolate time discharge guiding pipe and is built open channel, and wherein, described open channel is near described landfill percolate pond;
Open channel is installed pre-configured flowmeter, and, in the side of described landfill yard, ombrograph is installed;
According to the monitoring result of described flowmeter and the record result of described ombrograph, percolate is detected and judges.
8. hazardous waste security landfill field according to claim 7 percolate in-situ check and test method, it is characterized in that, it is not identical with sensing range with the accuracy of detection of the flowmeter on the open channel of described percolate time discharge guiding pipe that described percolate dominates the flowmeter on the open channel of comb.
9. hazardous waste security landfill field according to claim 7 percolate in-situ check and test method, it is characterized in that, it is foursquare open channel body that described open channel comprises cross section, the top middle portion of described open channel body is provided with V-shaped groove, and the bottom that bottom and the described percolate of this V-shaped groove dominate comb and/or percolate time discharge guiding pipe is mutually neat.
10. rubbish hazardous waste according to claim 9 buries safely a percolate on-site detecting device, it is characterized in that, the opening angle of described V-shaped groove is 90 °, and, the material of described open channel is fiberglass, and described ombrograph is the online ombrograph of double skip.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860528A (en) * | 2017-10-16 | 2018-03-30 | 中国环境科学研究院 | Fill field isolating membrane blowby area block detection method and device |
CN110263062A (en) * | 2019-06-19 | 2019-09-20 | 新中天环保股份有限公司 | Efficient dangerous waste based on 3D geographical coordinate fills management system |
CN113026903A (en) * | 2021-04-15 | 2021-06-25 | 安徽国祯环卫科技有限公司 | Precipitation infiltration capacity measuring structure and construction and measuring method thereof |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4696599A (en) * | 1986-07-14 | 1987-09-29 | Waste Resource Associates, Inc. | Secure landfill and method of operating a landfill for hazardous waste |
US4995969A (en) * | 1986-01-24 | 1991-02-26 | Lavigne Ronald L | Treatment system for landfill leachate |
CN1785846A (en) * | 2005-10-21 | 2006-06-14 | 同济大学 | Method of proceeding percolate treatment using ventilation buring layer |
CN101718642A (en) * | 2009-11-06 | 2010-06-02 | 广东省生态环境与土壤研究所 | Method and device for monitoring rainfall runoff pollution of expressway pavements |
CN202099865U (en) * | 2010-12-24 | 2012-01-04 | 天津合佳威立雅环境服务有限公司 | Leachate drainage system for hazardous waste safety landfill |
CN102390881A (en) * | 2011-09-13 | 2012-03-28 | 北京高能时代环境技术股份有限公司 | Recharging device for concentrated solution of refuse landfill |
CN203383316U (en) * | 2013-08-19 | 2014-01-08 | 东北师范大学 | Municipal solid waste sanitary landfill percolate leakage monitoring structure |
CN204080872U (en) * | 2014-08-22 | 2015-01-07 | 深圳市龙岗区东江工业废物处置有限公司 | Hazardous waste landfill Zoning landfill percolate guide gathering system |
CN204807139U (en) * | 2015-05-13 | 2015-11-25 | 新中天环保股份有限公司 | On --spot detection device of hazardous waste security landfill field filtration liquid |
-
2015
- 2015-05-13 CN CN201510240807.7A patent/CN104990595A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995969A (en) * | 1986-01-24 | 1991-02-26 | Lavigne Ronald L | Treatment system for landfill leachate |
US4696599A (en) * | 1986-07-14 | 1987-09-29 | Waste Resource Associates, Inc. | Secure landfill and method of operating a landfill for hazardous waste |
CN1785846A (en) * | 2005-10-21 | 2006-06-14 | 同济大学 | Method of proceeding percolate treatment using ventilation buring layer |
CN101718642A (en) * | 2009-11-06 | 2010-06-02 | 广东省生态环境与土壤研究所 | Method and device for monitoring rainfall runoff pollution of expressway pavements |
CN202099865U (en) * | 2010-12-24 | 2012-01-04 | 天津合佳威立雅环境服务有限公司 | Leachate drainage system for hazardous waste safety landfill |
CN102390881A (en) * | 2011-09-13 | 2012-03-28 | 北京高能时代环境技术股份有限公司 | Recharging device for concentrated solution of refuse landfill |
CN203383316U (en) * | 2013-08-19 | 2014-01-08 | 东北师范大学 | Municipal solid waste sanitary landfill percolate leakage monitoring structure |
CN204080872U (en) * | 2014-08-22 | 2015-01-07 | 深圳市龙岗区东江工业废物处置有限公司 | Hazardous waste landfill Zoning landfill percolate guide gathering system |
CN204807139U (en) * | 2015-05-13 | 2015-11-25 | 新中天环保股份有限公司 | On --spot detection device of hazardous waste security landfill field filtration liquid |
Non-Patent Citations (2)
Title |
---|
庄颖,生旭: "垃圾填埋场渗滤液产生量的估算" * |
王里奥,李东: "垃圾卫生填埋场渗滤液水量计算" * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107860528A (en) * | 2017-10-16 | 2018-03-30 | 中国环境科学研究院 | Fill field isolating membrane blowby area block detection method and device |
CN107860528B (en) * | 2017-10-16 | 2019-11-15 | 中国环境科学研究院 | Fill field isolating membrane blowby area block detection method and device |
CN110263062A (en) * | 2019-06-19 | 2019-09-20 | 新中天环保股份有限公司 | Efficient dangerous waste based on 3D geographical coordinate fills management system |
CN113026903A (en) * | 2021-04-15 | 2021-06-25 | 安徽国祯环卫科技有限公司 | Precipitation infiltration capacity measuring structure and construction and measuring method thereof |
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