CN205035816U - Simple and easy heterogeneous extraction device based on light well point precipitation technology - Google Patents
Simple and easy heterogeneous extraction device based on light well point precipitation technology Download PDFInfo
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- CN205035816U CN205035816U CN201520709054.5U CN201520709054U CN205035816U CN 205035816 U CN205035816 U CN 205035816U CN 201520709054 U CN201520709054 U CN 201520709054U CN 205035816 U CN205035816 U CN 205035816U
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Abstract
The utility model discloses a simple and easy heterogeneous extraction device based on light well point precipitation technology, including extracting well device, ground piping installation, extracting pumping system gentleness cement three -phase separation device, the device can be applied to volatile organic compounds, half volatile organic compounds of biodegradable and the nonaqueous looks fluid contaminated site's of portable attitude soil groundwater recovering work. Have advantages such as technology maturation, easy operation, installation and commissioning cycle weak point, equipment and operation maintenance cost are cheap, and the utility model discloses air water mud three -phase separation device has been increased on light well point precipitation device basis, adaptable adverse circumstances of extracting higher silt particle content in the mixed liquid that to carry out gas - water separation, the exhaust -gas treatment on next step of being convenient for to extracting waste gas. Additionally, the utility model discloses follow -up all kinds of waste gas and the waste water treatment facility of can forming a complete set as required satisfies different environment protection requirement.
Description
Technical field
The utility model relates to contaminated site and repairs correlative technology field, is specifically related to a kind of simple and easy heterogeneous extraction device based on Application of light well point precipitation technique being applied to contaminated site reinstatement works.
Background technology
Application of light well point precipitation technology is the method for a kind of conventional artificial dewatering in ground works, groundsill and foundation engineering construction.Its objective is by the moisture in drainage base soil, impel soil solidifying, improve foundation strength and slope stability, for good execution conditions are created in next step foundation construction.Application of light well point precipitation device mainly comprises well-point pipe, water suction house steward and extractor.This device, by burying the water suction well-point pipe of some certain depths around construction project to be built foundation ditch underground, is installed water suction house steward and extractor on ground, is constantly aspirated underground water, make the underground water in foundation ditch be reduced to certain depth gradually by extractor from well-point pipe.Application of light well point precipitation device has the advantage that equipment is simple, be easy to operate, be convenient to management.
Heterogeneous extraction technique is a kind of original position soil groundwater remediation technology, by applying vacuum to the extraction well being arranged on underground, simultaneously by the soil gas in underground zone of aeration and saturated zone, polluted underground water and removable state non-aqueous phase liquids (if existence) extracting on ground, then discharge or do next step and dispose after ground processing facility process.Its applicable target contaminant type comprises volatile organic contaminant, biodegradable half volatile organic contaminant and removable state non-aqueous phase liquids etc., applies more extensive.
Repaired item industry development domestic is at present delayed, and the prosthetic appliance of most contaminated site is all according to Site characteristic parameter design, and the cycle is long, investment is large.Operate simple and easy, cheap and the repaired item of technology maturation has very big market prospect.The technological principle of Application of light well point precipitation device and equipment form with heterogeneous extraction device similar, and are widely used at home, technology maturation.The simple and easy heterogeneous extraction device that Application of light well point precipitation Process ba-sis improves, its equipment and operation expense can reduce greatly, and simple to operate, technology maturation.
Utility model content
The purpose of this utility model is to make up the deficiencies in the prior art, provide a kind of simple and easy heterogeneous extraction device based on Application of light well point precipitation technique being applied to contaminated site reinstatement works, there is installment and debugging cycle short, the advantage such as equipment and operation expense is low, simple to operate, technology maturation.
In order to reach the purpose of this utility model, technical scheme is as follows:
Based on a simple and easy heterogeneous extraction device for Application of light well point precipitation technique, comprise extraction well device, ground piping installation, the gentle cement three-phase separating device of extraction pump system.Wherein air water mud three-phase separating device is the equipment increased on Application of light well point precipitation Process ba-sis, and other devices are all improve on well-points dewatering Process ba-sis.
Described extraction well device comprises white pipe, screen casing, bottom, cement paste, swell soil and quartz sand.Described white pipe lower end is connected with screen casing upper end, and screen casing lower end is furnished with bottom.Well casing outer wall and to install between native hole space filled stone sand, swell soil and cement paste successively from bottom to up.Under vacuum extraction effect, polluted underground water, soil gas and non-aqueous phase liquids first by quartz sand filtration layer, then enter extraction well inside through screen casing, afterwards along extraction well under the vacuum action of extraction pump by extracting in ground line.
Described ground piping installation comprises snap joint, arm and house steward, and supporting valve and vacuum meter.Multiple extraction wells of restoring area are connected to arm by snap joint, and each arm access house steward, is follow-uply connected to extraction pump system.Each arm is all equipped with ball valve and vacuum meter, can adjust the operation quantity of extraction well flexibly, the extracting negative pressure of each extraction well of Real Time Observation.House steward is follow-up is connected to extraction pump system.
Described extraction pump system comprises Application of light well point precipitation vacuum pump and matched with vacuum table.Application of light well point precipitation vacuum pump is centrifugal vacuum pump, and the highest about 0.1Mpa of work negative pressure, is applicable to the contaminated site that bury of groundwater is no more than 8 meters.Comprise a centrifugal pump and a water tank.After well-points dewatering vacuum pump starts, in water tank, form certain negative pressure, by polluted underground water, soil gas and non-aqueous phase liquids in the lump suction water tank, realize the separation of preliminary carbonated drink.In water tank, water level exceedes water outlet height, then can flow into follow-up air water mud separator under gravity together with the gas be drawn out of.
Described air water mud three-phase separating device mainly comprises tank body, water inlet pipe, mesotube, reflecting plate, gas-water separation baffle plate and spoil disposal plate.Water inlet pipe to be positioned in the middle part of tank body and to be communicated with water tank, gas-water separation baffle plate is located at the top of tank interior, mesotube top is communicated with water inlet pipe, reflecting plate is connected with bottom mesotube, spoil disposal plate is arranged on tank base, tank body top is connected with exhaust-gas treatment facilities, is connected with waste water disposal facility in the middle part of tank body, and tank base is connected with the outer shipping unit of silt.After gas cement admixture enters tank body, first gas remove moisture through gas-water separation baffle plate, then discharge from Waste gas outlet, enters follow-up exhaust-gas treatment facilities; Be deposited under gravity at the bottom of tank containing silt particle in mud waste water, follow-up spoil disposal plate of can regularly opening is cleared up, and is disposed by the outer shipping unit of silt; Clear water then flows out from outfall, enters subsequent wastewater treatment facility.
The beneficial effect that the utility model has:
(1): improve on widely used Application of light well point precipitation Process ba-sis and form, technology maturation, simple to operate, equipment and operation and maintenance cost are cheap;
(2): the Installation and Debugging cycle is short, contaminated site reinstatement works can be applied to fast, be particularly useful for the lash-up recovering engineerings such as environmental pollution accident;
(3): reliable, add air water mud three-phase separating device, the adverse circumstances compared with high mud and sand content in the mixed liquor extracted can be adapted to, and the contaminated soil gas extracted effectively can be collected disposal;
(4): add gas and water separator, effectively can remove the moisture in extracting waste gas, be convenient to the further process that waste gas is follow-up.
(5): follow-up can supporting waste gas and waste water disposal facility as required, meet varying environment protection requirement.
Accompanying drawing explanation
Fig. 1 is extraction well device and ground piping installation schematic diagram
Fig. 2 is extraction pump system gentle cement three-phase separating device schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but protection domain of the present utility model is not only confined to embodiment.
As depicted in figs. 1 and 2, a kind of simple and easy heterogeneous extraction device based on Application of light well point precipitation technique, comprises extraction well device, ground piping installation, the gentle cement three-phase separating device of extraction pump system.Described extraction well device comprises white pipe 1, screen casing 2, bottom 3, quartz sand 4 and cement paste 5.Described white pipe 1 lower end is connected with screen casing 2 upper end, and screen casing 2 lower end is furnished with described bottom 3, and the above tubing and joint are De40 specification UPVC material.It is 0.2mm that screen casing 2 sieves seam width, and sieve kerf spacing is 3mm.Well casing outer wall and to install between native hole space filled stone sand 4 and cement paste 5 successively from bottom to up.The installation specification of extraction well is the known technology of this area, repeats no more.
Described ground piping installation comprises snap joint 6, arm 7, house steward 8 and supporting ball valve 9 and vacuum meter 10.Multiple extraction wells of restoring area are connected to arm 7 by snap joint 6, arm 7 is the steel wire high-pressure hose of De40 specification, each arm 7 has all installed ball valve 9 and vacuum meter 10, can adjust the operation quantity of extraction well flexibly, the extracting negative pressure of each extraction well of Real Time Observation.Each arm 7 accesses house steward UPVC 8 of De63 specification again, is follow-uply connected to extraction pump system.According to geology and hydrogeological conditions, the utility model can connect 20 extraction wells by arm 7 at most.
Described extraction pump system comprises Application of light well point precipitation vacuum pump and matched with vacuum table 10.Application of light well point precipitation vacuum pump is centrifugal vacuum pump, comprises a centrifugal pump 11 and a water tank 12.After well-points dewatering vacuum pump starts, in water tank 12, form certain negative pressure, by polluted underground water, soil gas and non-aqueous phase liquids in the lump suction water tank 12, realize the separation of preliminary carbonated drink.In water tank 12, water level exceedes water outlet height, then can flow into follow-up air water mud separator together with the gas extracted.The highest about 0.1Mpa of extraction pump system works negative pressure, is applicable to the place that bury of groundwater is no more than 8 meters, and maximum extraction liquid flow reaches 20m
3/ h.
Its effect of described air water mud three-phase separating device is realized being separated by silt particle in stripping gas, polluted underground water and underground water, is convenient to next step classification and disposes.It mainly comprises tank body 13, water inlet pipe 14, mesotube 15, reflecting plate 16, gas-water separation baffle plate 17 and spoil disposal plate 18, and each parts are PP material.Water inlet pipe 14 to be positioned in the middle part of tank body 13 and to be communicated with water tank 12, gas-water separation baffle plate 17 is located at the top of tank body 13 inside, mesotube 15 top is communicated with water inlet pipe 14, reflecting plate 16 is connected with bottom mesotube 15, spoil disposal plate 18 is arranged on bottom tank body 13, tank body 13 top is connected with exhaust-gas treatment facilities, is connected with waste water disposal facility in the middle part of tank body 13, is connected with the outer shipping unit of silt bottom tank body 13.After gas cement admixture enters tank body from water inlet pipe 14, gas rises through gas-water separation baffle plate 17, and the moisture wherein carried secretly is separated due to effect of inertia, discharges afterwards again, enter follow-up exhaust-gas treatment facilities from Waste gas outlet; Be folded to upper reaches through reflecting plate 16 containing mud waste water from top to bottom from mesotube 15, waste water is uniformly distributed in tank body 13, mud and sand silting is at the bottom of tank under gravity afterwards, and follow-up spoil disposal plate 18 of can regularly opening is cleared up, and is disposed by the outer shipping unit of silt; Clear water then flows out from outfall, follow-uply enters waste water disposal facility.
Last it is noted that above embodiment only in order to illustrate the utility model and and technical scheme described by unrestricted the utility model, therefore, although this manual has been described in detail the utility model with reference to each above-mentioned embodiment, but, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in right of the present utility model.
Claims (4)
1. based on a simple and easy heterogeneous extraction device for Application of light well point precipitation technique, it is characterized in that: comprise extraction well device, ground piping installation, the gentle cement three-phase separating device of extraction pump system,
Described extraction well device comprises white pipe (1), screen casing (2), bottom (3), quartz sand (4) and cement paste (5), described white pipe (1) lower end is connected with screen casing (2) upper end, screen casing (2) lower end is furnished with bottom (3)
Described ground piping installation comprises snap joint (6), arm (7), house steward (8) and supporting ball valve (9) and vacuum meter (10), multiple extraction wells of restoring area are connected to arm (7) by snap joint (6), each arm (7) accesses described house steward (8) again, described house steward (8) is follow-up is connected to extraction pump system
Described extraction pump system comprises Application of light well point precipitation vacuum pump and supporting vacuum meter (10), and Application of light well point precipitation vacuum pump comprises a centrifugal pump (11) and a water tank (12),
Described air water mud three-phase separating device mainly comprises tank body (13), water inlet pipe (14), mesotube (15), reflecting plate (16), gas-water separation baffle plate (17) and spoil disposal plate (18), water inlet pipe (14) to be positioned in the middle part of tank body and to be communicated with water tank, gas-water separation baffle plate (17) is located at the top of tank interior, mesotube top is communicated with water inlet pipe, reflecting plate (16) is connected with bottom mesotube, spoil disposal plate is arranged on tank base, tank body top is connected with exhaust-gas treatment facilities, waste water disposal facility is connected with in the middle part of tank body, tank base is connected with the outer shipping unit of silt.
2. the simple and easy heterogeneous extraction device based on Application of light well point precipitation technique according to claim 1, is characterized in that, each arm (7) is all provided with described ball valve (9) and vacuum meter (10).
3. the simple and easy heterogeneous extraction device based on Application of light well point precipitation technique according to claim 1, is characterized in that, described extraction pump is centrifugal vacuum pump, and work negative pressure is up to 0.1Mpa.
4. the simple and easy heterogeneous extraction device based on Application of light well point precipitation technique according to claim 1, is characterized in that, described screen casing (2) sieve seam width is 0.2mm, and sieve kerf spacing is 3mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906834A (en) * | 2017-05-03 | 2017-06-30 | 上海格林曼环境技术有限公司 | A kind of modified multiphase extraction system and method based on Application of light well point precipitation technique |
| CN107052037A (en) * | 2017-06-23 | 2017-08-18 | 江苏盖亚环境科技股份有限公司 | A kind of gas phase extracts three phase separation module |
| CN114790062A (en) * | 2022-01-24 | 2022-07-26 | 成都理工大学 | Volatile organic waste gas separation device |
-
2015
- 2015-09-14 CN CN201520709054.5U patent/CN205035816U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906834A (en) * | 2017-05-03 | 2017-06-30 | 上海格林曼环境技术有限公司 | A kind of modified multiphase extraction system and method based on Application of light well point precipitation technique |
| CN107052037A (en) * | 2017-06-23 | 2017-08-18 | 江苏盖亚环境科技股份有限公司 | A kind of gas phase extracts three phase separation module |
| CN114790062A (en) * | 2022-01-24 | 2022-07-26 | 成都理工大学 | Volatile organic waste gas separation device |
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