CN107052032A - The mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired - Google Patents
The mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired Download PDFInfo
- Publication number
- CN107052032A CN107052032A CN201611139918.XA CN201611139918A CN107052032A CN 107052032 A CN107052032 A CN 107052032A CN 201611139918 A CN201611139918 A CN 201611139918A CN 107052032 A CN107052032 A CN 107052032A
- Authority
- CN
- China
- Prior art keywords
- dissolution zone
- repaired
- branch pipe
- underground water
- chemical oxidation
- Prior art date
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention discloses the mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired, the equipment includes casing, the casing is included with spaced and top interconnected dissolution zone and working area, the top of the dissolution zone has charging aperture, feed bin is provided with above the charging aperture, the bottom of feed bin, which is additionally provided with above proof dry powder feeding motor, the dissolution zone, is additionally provided with mixer, and the agitating paddle of mixer is inserted in inside dissolution zone；The outside of the casing is provided with feed tube；The first drain branch pipe is vertically installed with dissolution zone from top to bottom, the bottom in the working area is provided with the second drain branch pipe, and the working area is provided with liquid outlet, and liquid outlet is connected with pneumatic diaphragm pump.The present invention can be prepared on demand, save medicament, using safety, and without splash, casing of the invention uses independent dual-slot structure, can lift oxidation efficiency.
Description
Technical field
The present invention relates to contaminated site reparation, soil/groundwater remediation, belong to environment remediation technical field.Specially one
Plant the mixing injection device and method that underground water in situ chemical oxidation is repaired.
Background technology
China's soil Organic Contamination of Groundwater is very serious, and some of VOC, sVOC pollutants have volatility, different
There may be secondary pollution and health risk for position processing.In situ chemical oxidation is dirty as a kind of effective soil underground water organic matter
Recovery technique is contaminated, more and more extensive concern has been obtained.In situ chemical oxidation technique effect is good, can remove pollutant at all, no
Place script topography and geomorphology is destroyed, there is application widely in the reparation of soil underground water Organic Pollution.In-situ chemical
Oxidation technology often requires that the extremely strong medicament of oxidisability, and these medicament oxidisability and corrosivity are high, in preparation and main process
Easily splash and drop, workmen and field apparatus are constituted and endangered.
The content of the invention
For problems of the prior art, the present invention provides the mixing note that a kind of underground water in situ chemical oxidation is repaired
Medicine device and method.The mixing injection equipment realizes effective dissolving to solid-state pharmacy using proof dry powder feeding motor, compared to tradition
Stirring paddle equipment, the mixing injection equipment prepares on demand, saves medicament, and using safety, without splash.
The present invention provides the mixing injection equipment that a kind of underground water in situ chemical oxidation is repaired, including casing, the casing
Including with spaced and top interconnected dissolution zone and working area, the top of the dissolution zone has charging aperture, institute
State and feed bin is provided with above charging aperture, the bottom of feed bin is additionally provided with proof dry powder feeding motor, and the top of the dissolution zone is also set
Mixer is equipped with, the agitating paddle of mixer is inserted in inside dissolution zone；The outside of the casing is provided with feed tube, the feed liquor
One end of pipe is connected as the feed liquor branch pipe of dissolution zone fluid injection by threeway, and one end of the feed tube also connects fliud flushing by threeway
Pipe, the delivery port of the fliud flushing pipe is towards charging aperture；The first drain branch pipe is vertically installed with dissolution zone from top to bottom, it is described temporary
The bottom for depositing area is provided with the second drain branch pipe, and the first drain branch pipe, the second drain branch pipe extend to casing, and lead to by three
Connect one end of liquid header, the working area is provided with liquid outlet, liquid outlet is connected with pneumatic diaphragm pump, the feed liquor branch pipe and
Suspended body flowmeter is provided with fliud flushing pipe.
Also include electric cabinet, proof dry powder feeding motor, mixer, pneumatic diaphragm pump and suspended body flowmeter are all connected with the electricity
Control case.
Liquid level gauge is inserted with the top of the working area, the liquid level gauge connects electric cabinet.
The other end of the feed tube connects the first valve body, and the other end of the liquid header connects the second valve body, described
First valve body and the second valve body are all connected with electric cabinet.
The top cover of the feed bin is provided with feed cap.
The present invention also provides a kind of mixing for the mixing injection equipment repaired using described underground water in situ chemical oxidation
Injection method, comprises the following steps：
Step one：Solute material puts into dissolution zone by the mode that manually adds through feed bin, and is added by proof dry powder feeding motor control
Solute material amount, solvent is pumped to dissolution zone by pipeline, and flow is set according to compound concentration and flowed by suspended body flowmeter control
Amount, is stirred, solvent makes dry powder fully dissolve by action of turbulent flow using mixer；
Step 2：The medicament that dissolution zone has been dissolved flows automatically after water level reaches setting height enters working area；
Step 3：The solution prepared is pumped out for using by pneumatic diaphragm pump through discharging opening.
Dissolution zone and the groove of working area two are independent in the present invention, it is to avoid premature activation.The oxidant such as persulfuric acid commonly used at present
Sodium, Fenton reagent are required to activation, and oxidant and activator mixing easily cause failure and the waste of medicament too early.Originally set
Standby to have independent dual-slot structure, oxidant is not contacted with activator before medicament injection, and then can ensure pharmacy effect, is carried
Rise oxidation efficiency.
Beneficial effects of the present invention are：（1）Prepare on demand, medicament is saved, using safety, without splash.（2）Independent double flute
Structure, lifts oxidation efficiency.（3）Present invention operation is flexible, and mobility is strong, safe, you can also to can use for in-situ immobilization
In showering.（4）Medicine system can prepare medicament and activator simultaneously.
Brief description of the drawings
Fig. 1 provides a kind of main view sectional view for the mixing injection equipment that underground water in situ chemical oxidation is repaired for the present invention.
Fig. 2 provides a kind of top view for the mixing injection equipment that underground water in situ chemical oxidation is repaired for the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
The present invention provides the mixing injection equipment that a kind of underground water in situ chemical oxidation is repaired, as shown in Figure 1 and Figure 2, including
The casing 1 of mixing, the casing 1 is designed to improve oxidation efficiency using double flute, i.e., mutually interconnected including spaced and top
Logical dissolution zone and working area, wherein dissolution zone are used for the dissolving of dry powder and solvent, and working area is used to that prepare molten will to be dissolved
Liquid is kept in, ready access upon use, and the gravity tank for the intercommunication that the dissolution zone passes through top design with working area is interconnected.It is described
It is provided with the outside of working area on the outside of electric cabinet 2, dissolution zone and is provided with stair, is used for staff's climbing dosing.
The top of the dissolution zone has charging aperture, the outer feed bin 3 outside casing 1 of the charging aperture connection, feed bin 3
Top cover be provided with feed cap 4, and proof dry powder feeding motor 5 is additionally provided with the bottom of feed bin 3 in charging aperture, for passing through
The dry powder that charging aperture is added provides power, most important, and it can effectively control the dry powder put into by charging aperture in dissolution zone
Amount so that effectively control dry powder addition.
Mixer 6 is additionally provided with above the dissolution zone, the power section of mixer 6 is arranged at the top of dissolution zone,
The agitating paddle of the mixer 6 is then inserted in inside dissolution zone, in order to carry out dissolving mixing to the dry powder in dissolution zone.It is described
Liquid level gauge 7 is inserted with the top of working area, in order to be monitored to the liquid level in working area, is needed when more than certain liquid level
Working area is discharged.
The outside of the casing 1 is provided with feed tube 8, and the feed tube 8 is connected as entering for dissolution zone fluid injection by threeway
Liquid branch pipe 9, the liquid outlet of the feed liquor branch pipe 9 is in the inner upper of dissolution zone, from the position at the top of dissolution zone to dissolving
Area's internal water flooding.The feed tube 8 also connects fliud flushing pipe by threeway, and the fliud flushing pipe 10 is in the outside of casing 1, and it connects
Charging aperture is connected to, the delivery port of fliud flushing pipe 10 is just designed charging aperture, for being washed away to charging aperture, enters whole dry powder
Material is added to dissolution zone, suspended body flowmeter is also provided with fliud flushing pipe 10 and the feed liquor branch pipe 9, to control fliud flushing pipe
10 and feed liquor branch pipe 9 enter water, and then can effectively control the amount of solvent added in dissolution zone.The port of feed tube 9
Position is provided with flange, is connected with realizing with corresponding outside supply equipment.The first valve body 11 is provided with the feed tube 9, is used
In the beginning or interruption of control water inlet, and loose joint ball valve can be connected on water inlet pipe 11, it is possible to achieve the connection with miscellaneous part.
The first drain branch pipe 12 is vertically installed with dissolution zone from top to bottom, the bottom in the working area is provided with second row
Liquid branch pipe 13, the first drain branch pipe 12, the second drain branch pipe 13 extend to the outside of casing 1 and crossed, and connected by threeway
Liquid header 14 outside casing, and the end of the liquid header 14 is provided with the second valve body, by controlling the second valve body can
To control liquid header 14 to open and close.The wherein highly desirable specific design of the first drain branch pipe 12, when liquid in dissolution zone
When position is too high, it can be discharged automatically by the first drain branch pipe 12；And in working area liquid level monitored by liquid level gauge 7 it is too high
When, it can be discharged by the second drain branch pipe 13 control of bottom.
The opposite side in the Comparative dissolution area in the working area is provided with liquid outlet, and the liquid outlet can set two, often
Individual liquid outlet is respectively connected with pneumatic diaphragm pump 15, and entering action edge by pneumatic diaphragm pump 15 goes out liquid.
The mixing injection equipment that the underground water in situ chemical oxidation that the present invention is provided is repaired is as sodium peroxydisulfate medicine system
Equipment, its integral installation is on a general frame, and the material of casing 1 and feed bin 3 is PP.The inlet of the casing 1, that is, connect
Reserve DN80 flange-interfaces in the position for tapping into liquid branch pipe 9；Sewage draining exit is that DN25 is reserved in the position for connecting the first drain branch pipe 12
Flange-interface.All water influent pipelines use steel lining plastic material（Mould combination for steel, lining inner surface of tubes with plastics, with high intensity and
High antiseptic and rustproof property）.
All electrical equipments and element（Including proof dry powder feeding motor 5, mixer 6, liquid level gauge 7, suspended body flowmeter, pneumatic
The valve body 11 set on the valve body that the end of membrane pump 15 and liquid header 14 is set, water inlet pipe 9）Controlled automatically using PLC
System, is all connected with electric cabinet 2, to realize complete equipment isolated operation, can reserve remote transfer signal interface.
The mixing injection equipment that underground water in situ chemical oxidation that the present invention is provided is repaired as dry powder automatic medicament feeding system,
It is applied to adding for powdered solid.By proof dry powder feeding motor 5, control is added external pulverulent solids raw material in real time
Amount ground is by proof dry powder feeding into dissolution zone, and solvent enters dissolution zone by feed liquor branch pipe 9 and fliud flushing pipe 10, and passes through two floats
Flowmeter controls the addition of solvent in real time.Proof dry powder feeding motor 5 can adjust the flow of powder by electrical control cubicles up-conversion, float
Subflow gauge monitors and controlled the addition of solvent also by electrical control cubicles, so as to adjust the concentration of solution, to ensure dissolving
Prepared solution is constant all the time in area, and when the height for reaching gravity tank flows into working area and goes out liquid, with ready access upon use, gravity flow
The height of groove can set specific position and height according to actual needs.The present invention will dissolving, aging（It is ripe）, be stored as one
Body technology.
The present invention provides a kind of mixing injection method that underground water in situ chemical oxidation is repaired, and comprises the following steps：
Step one：Medicament mixed through proof dry powder feeding motor with solvent after in relatively independent dissolution zone dissolve, be one step by step
The process of dissolving, it is more efficient, and be conducive to the accurate control to concentration.
Specially：Solute material puts into dissolution zone by the mode that manually adds through feed bin 3, in the control of proof dry powder feeding motor 5
System is lower to add dissolution zone, and solvent is to be pumped directly to dissolution zone by feed liquor branch pipe 9 and fliud flushing pipe 10, and flow is by suspended body flowmeter control
System, flow is set according to compound concentration, control proof dry powder feeding amount and the addition of solvent, and stirred at any time using mixer in real time
Mix, solvent makes dry powder fully dissolve by action of turbulent flow, the solution concentration in dissolution zone is kept stable.
Step 2：The medicament dissolved in dissolution zone highly reaches the height of gravity tank to enter temporary by gravity tank
Area is deposited, with saving medicament.Specially：The medicament that dissolution zone has been dissolved is after water level reaches the setting height of gravity tank
It is consistent that gravity flow enters solution concentration in working area, working area.
Step 3：The solution prepared is pumped out for using by pneumatic diaphragm pump through discharging opening.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, protection model of the invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (6)
1. the mixing injection equipment that a kind of underground water in situ chemical oxidation is repaired, it is characterised in that including casing, the casing bag
Include with spaced and top interconnected dissolution zone and working area, the top of the dissolution zone has charging aperture, described
Feed bin is provided with above charging aperture, the bottom of feed bin, which is additionally provided with above proof dry powder feeding motor, the dissolution zone, to be also set up
There is mixer, the agitating paddle of mixer is inserted in inside dissolution zone；The outside of the casing is provided with feed tube, the feed tube
One end the feed liquor branch pipe of dissolution zone fluid injection is connected as by threeway, one end of the feed tube also connects fliud flushing by threeway
Pipe, the delivery port of the fliud flushing pipe is towards charging aperture；The first drain branch pipe is vertically installed with dissolution zone from top to bottom, it is described temporary
The bottom for depositing area is provided with the second drain branch pipe, and the first drain branch pipe, the second drain branch pipe extend to casing, and lead to by three
Connect one end of liquid header, the working area is provided with liquid outlet, liquid outlet is connected with pneumatic diaphragm pump, the feed liquor branch pipe and
Suspended body flowmeter is provided with fliud flushing pipe.
2. the mixing injection equipment that underground water in situ chemical oxidation according to claim 1 is repaired, it is characterised in that also wrap
Electric cabinet is included, proof dry powder feeding motor, mixer, pneumatic diaphragm pump and suspended body flowmeter are all connected with the electric cabinet.
3. the mixing injection equipment that underground water in situ chemical oxidation according to claim 2 is repaired, it is characterised in that described
Liquid level gauge is inserted with the top of working area, the liquid level gauge connects electric cabinet.
4. the mixing injection equipment that underground water in situ chemical oxidation according to claim 2 is repaired, it is characterised in that described
The other end of feed tube connects the first valve body, and the other end of the liquid header connects the second valve body, first valve body and the
Two valve bodies are all connected with electric cabinet.
5. the mixing injection equipment that underground water in situ chemical oxidation according to claim 1 is repaired, it is characterised in that described
The top cover of feed bin is provided with feed cap.
6. the mixing injection for the mixing injection equipment that the underground water in situ chemical oxidation described in a kind of utilization claim 1-5 is repaired
Method, it is characterised in that comprise the following steps：
Step one：Solute material puts into dissolution zone by the mode that manually adds through feed bin, and is added by proof dry powder feeding motor control
Solute material amount, solvent is pumped to dissolution zone by pipeline, and flow is set according to compound concentration and flowed by suspended body flowmeter control
Amount, is stirred, solvent makes dry powder fully dissolve by action of turbulent flow using mixer；
Step 2：The medicament that dissolution zone has been dissolved flows automatically after water level reaches setting height enters working area；
Step 3：The solution prepared is pumped out for using by pneumatic diaphragm pump through discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139918.XA CN107052032A (en) | 2016-12-12 | 2016-12-12 | The mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139918.XA CN107052032A (en) | 2016-12-12 | 2016-12-12 | The mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107052032A true CN107052032A (en) | 2017-08-18 |
Family
ID=59619186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139918.XA Pending CN107052032A (en) | 2016-12-12 | 2016-12-12 | The mixing injection device and method that a kind of underground water in situ chemical oxidation is repaired |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107052032A (en) |
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Application publication date: 20170818 |