CN209465460U - A kind of prosthetic device of hot reinforced soil gas phase extracting - Google Patents
A kind of prosthetic device of hot reinforced soil gas phase extracting Download PDFInfo
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- CN209465460U CN209465460U CN201821279851.4U CN201821279851U CN209465460U CN 209465460 U CN209465460 U CN 209465460U CN 201821279851 U CN201821279851 U CN 201821279851U CN 209465460 U CN209465460 U CN 209465460U
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Abstract
The utility model discloses a kind of prosthetic devices of hot reinforced soil gas phase extracting, including heating system, gas phase extraction system, heat to strengthen gas phase and extract workshop.It is characterized by: the heating system includes gas combustion formula heater, electric blower, hot-air injection pipe；The gas phase extraction system includes pumping and vent gas treatment two parts, and the exhaust portion includes soil gas extraction tube, vacuum extraction pump, and the vent gas treatment part includes active carbon filtering layer, electric blower and catalytic combustor；The heat strengthens hot-air injection pipe and the layering of soil gas extraction tube in gas phase extracting workshop and is staggered wherein.Utility model device it is applied widely, it is particularly suitable for high concentration volatile organic contaminant (boiling point is in 180 DEG C of pollutants below), which has the advantages that reparation speed is fast, a repair process amount is big, cost is controllable, without secondary pollution, there is no the hidden danger for endangering staff's health without operation inside personnel.In addition, the device has perfect safe operation operating system, safety is preferable and facilitates operation.
Description
Technical field
The utility model relates to contaminated sites to repair field, especially a kind of reparation dress of hot reinforced soil gas phase extracting
It sets.
Background technique
Soil vapor extraction is a kind of common technology of improvement Volatile Organic Compounds in Soil pollution, this technology belongs to physics
Scope is repaired, constantly gaseous pollutant in contaminated soil is extracted out by gas phase extracting, then carries out the process of subsequent processing.One
As for, in order to improve the effect of soil vapor extraction, reduce the factors such as contaminated soil property, pollutant property and environment to this
The influence of technology, generallys use gas phase extraction technique and heat treatment technics combines, and is improved by inputting heat into soil
The soil moisture makes organic pollutant more effectively be able to volatilize from pollution medium or separate, to improve gaseous pollutant
The remediation efficiency of extract content and contaminated site.Heat strengthens gas phase extraction technique usage history more than 20 years, largely repairs case
Show that the technology has the stone in preferable effect, especially contaminated site to a series of pollutants and soil of different nature
Petroleum hydrocarbon pollutant and chlorinated hydrocarbon pollutant.
Patent 201610051426.9 discloses " a kind of hot reinforced soil gas phase extraction system ", including heating system, pumping
System and soil heap body to be processed are proposed, wherein heating system alleviates repairing and treating process using solar energy as energy source
In consumption to the energy, but the heating system is larger to the dependence of external environment, meets and will affect reparation process rainy days, together
When contaminated soil heap body exposure in air, heat strengthen contaminated soil heap body when, may cause the volatilization of gaseous pollutant, cause
The secondary pollution of pollutant.Patent 201720411539.5 discloses a kind of " pollution of steam indirect heating reinforcing gas phase extracting
Soil heterotopic repair system ", including steam indirect heating system, soil vapor extraction system, soil remediation cabinet.System benefit
It uses steam indirect heating to strengthen heat source as heat, improves the gas phase extract content of contaminated soil, but soil remediation cabinet uses type
For the steel such as steel as raw material, cost is higher, while heating tube and exhaust tube are distributed in cabinet in soil remediation cabinet, increases
It is put into few with the repair process amount of the difficulty and cabinet rehabilitating soil for removing contaminated soil.
Utility model content
The purpose of this utility model: strengthen Polluted Soil present in the processing of gas phase extraction stain soil heterotopic for heat at present
Repair process amount of earth is few, high equipment cost, heat strengthen the aerial contaminated soil heap body of exposure and be easy to cause secondary dirt
The problems such as dye, the utility model provide a kind of prosthetic device of hot reinforced soil gas phase extracting, solve the above problems.
A kind of the technical solution of the utility model are as follows: prosthetic device of hot reinforced soil gas phase extracting, it is characterised in that institute
Stating device includes heating system, gas phase extraction system, heat reinforcing gas phase extracting workshop.The heating system includes gas combustion formula
Heater, electric blower, hot-air injection pipe；The gas phase extraction system includes pumping and vent gas treatment two parts, described
Exhaust portion includes soil gas extraction tube, vacuum extraction pump, and the vent gas treatment part includes active carbon filtering layer, electronic air blast
Machine and catalytic combustor；The heat strengthens hot-air injection pipe and soil gas extraction tube in gas phase extracting workshop and is layered staggered row
It is listed in wherein.
The utility model has the following beneficial effects: utility model device is applied widely, it is particularly suitable for highly concentrated
It spends volatile organic contaminant (boiling point is in 180 DEG C of pollutants below), the device fast, repair process with reparation speed
Amount is big, cost is controllable, without secondary pollution, without operation inside personnel, there is no the excellent of the hidden danger for endangering staff's health
Point.In addition, the device has perfect safe operation operating system, safety is preferable and facilitates operation.
SOIL GAS is evaporate into air when contaminated soil heat is strengthened in order to prevent, and the heat is strengthened gas phase extracting workshop and used
A kind of membrane material of corrosion-and high-temp-resistant is laid with one layer of antiseepage liner at the top of mound and connect with the antiseepage liner of bottom, appoints
What break requires strictly to weld and guarantee leakproofness, and this avoid SOIL GASs when the reinforcing of contaminated soil heat to evaporate into air
In cause secondary pollution.
In order to select to be suitble to the hot air temperature of target contaminant contaminated soil gas volatilization, the gas combustion formula heater
It is equipped with hygrosensor on upper and air injection tube, in this way by monitoring temperature value and adjusting temperature control system, to entrance
The contaminated soil that heat strengthens gas phase extracting workshop, which carries out targetedly heat, to be strengthened.
In order to realize the controllability of repairing effect, at the soil gas extraction tube before the part into vent gas treatment with
PID measuring mouth is equipped at exhaust port, it in this way can be by target pollutant concentration in SOIL GAS before and after vent gas treatment
Monitoring, can tentatively control the effect of entire repair process.
In order to realize that the higher extract content of soil gas, hot-air injection pipe are staggered with the layering of soil gas extraction tube
In contaminated soil, the coverage of soil gas can be rationally utilized in this way, improves SOIL GAS extract content and remediation efficiency.
Soil gas is extracted blockage by soil particle when SOIL GAS extracts in order to prevent, wraps up filtering around extraction tube
Layer, can be buffered by the barrier of filter layer in this way, avoid the blocking of soil gas extraction tube.
In order to realize the safety in the device operational process and facilitate operability, which runs operating system control
Automatic and emergency switch, propane pressure switch, ventilation pressure switch, flame holding switch, limitation temperature are installed on panel processed
Exceeded switch is spent, the safety in repair process can be improved by being safely operated operating system in this way.
In order to avoid thermal loss of the hot-air before entering heat and strengthening gas phase extracting workshop, hot air delivery pipe road as far as possible
It is wrapped up with thermal insulation material, the energy loss in hot-air conveying can be reduced in this way.
Detailed description of the invention
Fig. 1 is a kind of prosthetic device structural schematic diagram of hot reinforced soil gas phase extracting of the utility model.Such as Fig. 1, in figure
Label 1 ~ 15 is respectively as follows: 1 gas combustion formula heater, 2 hygrosensors, 3 electric blowers, 4 hygrosensor, II, 5 temperature
It spends III, 6 heat of detector and strengthens gas phase extracting workshop, 7 hot-air injection pipes, 8 soil gas extraction tubes, 9 PID measuring mouths, 10 heat
Exchanger, 11 vacuum extractions pump, 12 active carbon filtering layers, 13 electric blowers II, 14 active carbon filtering layers II, 15 are vented pipe end
Catalytic combustor, 16 PID measuring mouths.
With reference to the accompanying drawing with specific implementation case to a kind of hot reinforced soil gas phase extracting provided by the utility model
Prosthetic device is described in further details.
Specific embodiment
As shown in Figure 1, a kind of prosthetic device of hot reinforced soil gas phase extracting, mainly includes heating system, gas phase extracting
System, heat strengthen gas phase and extract workshop.The heating system includes gas combustion formula heater 1, electric blower 3, hot-air
Injection pipe 7；The gas phase extraction system includes pumping and vent gas treatment two parts, and the exhaust portion includes soil gas extracting
Pipe 8, vacuum extraction pump 11, the vent gas treatment part includes active carbon filtering layer 12/14, electric blower 13 and catalytic combustor
15；The heat strengthens hot-air injection pipe 7 and the layering of soil gas extraction tube 8 in gas phase extracting workshop and is staggered wherein.
Automatic and emergency switch is installed on equipment safety operation operating system control panel, propane pressure switch, is led to
Wind pressure switch, flame holding switch, the exceeded switch of limit temperature.It specifically includes:
(1) control and electric switch: the panel of closing meets NEMA4 standards, locks/flick (LOTO) function；
(2) temperature control system: hot and cold control, go beyond the scope in the case of be automatically closed, be ordinary temperature monitoring, urgent
Shutdown switch, CO and fire acousto-optic alarm, fire extinguisher and heat protective gloves etc.；
(3) system pipe network, cable, water pipe: in PID/FID/LED monitoring, solar heat protection PPE, all pipe networks it is suitable it is heat-resisting every
Film, CO and fire acousto-optic alarm and emergency stop switch；
(4) Pneumatic valve and gas burner: the unit is equipped with various monitoring, control valve, LEL, CO of stopping burner
And fire acousto-optic alarm etc.；
(5) propane tank:, which needing to check storage tank daily, and is mounted on the road shoulder on storage tank periphery is entered with preventing and treating vehicle, is had
Fire extinguisher, LEL instrument, pressure controller table of storage tank of label etc.；
(6) ventilation dynamical system: explosion evidence, Grade I.
Working method: contaminated soil heterotopic repair process place is determined by screening, will be lined with periphery in a kind of antiseepage film
The form of roadside barrier is laid on the treatment region ground of design, and then the contaminated soil excavated out is deposited in antiseepage film,
The height of initial mound is designed as 0.5m high, is then laid with heating air distribution ducts on the mound of height herein.Then in pipe
0.5m high mound is stacked on road, and is then laid with hot-air duct circuit.Length, width and the height of mound final design are respectively
It can be designed according to site remediation demand for 25m, 12m and 2.4m().Then, at the top of mound be laid with one layer of antiseepage liner and with
The antiseepage liner of bottom connects, and each junction or break are required to strictly weld, and guarantees leakproofness.
Using gas combustion formula heater 1(burn propane) by the air of heating, soil heap is passed through by electric blower 3
In, the temperature for the air being passed into mound by temperature control system is monitored adjusting, and (this temperature is according to target contaminant
Volatilization temperature determines), with the heating of soil, the pollutant in soil escapes into soil aperture, and then vacuum extraction pumps
11 extract the air in the soil aperture for carrying target contaminant out, enter vent gas treatment part by soil gas extraction tube 8,
It first passes around heat exchanger 10 and the temperature of SOIL GAS is down to room temperature, pass through gas-liquid cyclone separator later, liquid enters waste liquid receipts
Storage carry out harmless treatment, gas then pass through two layers of active carbon filtering layer 12,14 remove soil gas in carry soil particle,
Moisture and partial target pollutant most remove target contaminant behind exhaust pipe terminal catalytic combustion chamber 15 afterwards.Vent gas treatment mistake
Cheng Zhong, by the PID numerical value of the PID measuring mouth 9,16 before and after vent gas treatment, the removal rate of preliminary monitoring objective pollutant works as soil
The monitoring display of earth gas reaches when repairing target, needs that pedotheque is sampled send lab analysis to treated, with verification
Whether the repair process of soil heap has reached reparation target value.
When laboratory detection result verifying contaminated soil, which has reached, repairs target, the soil after repairing is taken out, as required
It is handled accordingly, such as backfill etc., the contaminated soil of next batch is then put into heat and is strengthened in gas phase extracting workshop, weight
Multiple aforesaid operations.
If contaminated soil is all repaired and completed, need to carry out soil heap to tear open heap, including remove soil heap top and bottom
Antiseepage liner, internal pipe network and system infrastructure.
Claims (4)
1. a kind of prosthetic device of hot reinforced soil gas phase extracting, it is characterised in that: including heating system, gas phase extraction system and
Heat strengthens gas phase and extracts workshop, and the heating system includes gas combustion formula heater, electric blower I and hot-air injection
Pipe, the gas combustion formula heater, electric blower I and hot-air injection pipe are sequentially connected with；The gas phase extraction system
Including exhaust portion and vent gas treatment part, the exhaust portion includes soil gas extraction tube and vacuum extraction pump, the tail
Gas disposal part includes active carbon filtering layer I, electric blower II, active carbon filtering layer II and catalytic combustor, the activity carbon filtration
Layer I, electric blower II, active carbon filtering layer II and catalytic combustor are sequentially connected with；The heat strengthens heat in gas phase extracting workshop
Air injection tube and the layering of soil gas extraction tube are staggered wherein.
2. a kind of prosthetic device of hot reinforced soil gas phase extracting as described in claim 1, it is characterised in that: the gas combustion
Hygrosensor is equipped on burning formula heater and on air injection tube.
3. a kind of prosthetic device of hot reinforced soil gas phase extracting as described in claim 1, it is characterised in that: enter at tail gas
PID measuring mouth is equipped at soil gas extraction tube before managing part and at exhaust port.
4. a kind of prosthetic device of hot reinforced soil gas phase extracting as described in claim 1, it is characterised in that: the reparation dress
It sets and automatic and emergency switch, propane pressure switch, ventilation pressure switch, fire is installed on safe operation operating system control panel
Flame stability switch and the exceeded switch of limit temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279851.4U CN209465460U (en) | 2018-08-09 | 2018-08-09 | A kind of prosthetic device of hot reinforced soil gas phase extracting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279851.4U CN209465460U (en) | 2018-08-09 | 2018-08-09 | A kind of prosthetic device of hot reinforced soil gas phase extracting |
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| CN209465460U true CN209465460U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821279851.4U Active CN209465460U (en) | 2018-08-09 | 2018-08-09 | A kind of prosthetic device of hot reinforced soil gas phase extracting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477698A (en) * | 2020-11-27 | 2021-10-08 | 苏州精英环保有限公司 | Intelligent monitoring platform of normal temperature desorption repair equipment |
| CN113894152A (en) * | 2021-10-28 | 2022-01-07 | 北京冽泉环保科技有限公司 | Low-energy-consumption organic contaminated soil concentration heat treatment device |
-
2018
- 2018-08-09 CN CN201821279851.4U patent/CN209465460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477698A (en) * | 2020-11-27 | 2021-10-08 | 苏州精英环保有限公司 | Intelligent monitoring platform of normal temperature desorption repair equipment |
| CN113477698B (en) * | 2020-11-27 | 2022-03-29 | 苏州精英环保有限公司 | Intelligent monitoring platform of normal temperature desorption repair equipment |
| CN113894152A (en) * | 2021-10-28 | 2022-01-07 | 北京冽泉环保科技有限公司 | Low-energy-consumption organic contaminated soil concentration heat treatment device |
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Effective date of registration: 20200103 Address after: Room 307, Block B, Building 1, Yaogu, Jinan, North Section of Gangxin Third Road, Jinan High-tech Zone, 250000 Shandong Province Patentee after: Shandong Xianquan Environmental Protection Engineering Consulting Co., Ltd. Address before: 101399 Room 205, 2nd floor, No. 26 Building, Fourth District, Renhe Town, Shunyi District, Beijing (Science and Technology Innovation Functional Area) Patentee before: Zhongke environmental protection science and Technology Co Ltd |