CN205903558U - Continuous detoxification processing apparatus of dangerous incineration fly ash - Google Patents
Continuous detoxification processing apparatus of dangerous incineration fly ash Download PDFInfo
- Publication number
- CN205903558U CN205903558U CN201620844836.4U CN201620844836U CN205903558U CN 205903558 U CN205903558 U CN 205903558U CN 201620844836 U CN201620844836 U CN 201620844836U CN 205903558 U CN205903558 U CN 205903558U
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- detoxification
- valent iron
- zero
- light electrolysis
- flying dust
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Abstract
The utility model discloses a continuous detoxification processing apparatus of dangerous incineration fly ash, include that waste liquid backward flow pond liquid outlet passes through the connecting pipe and is connected with the connecting pipe between flying dust elution device feed liquor pipe and the delivery pump along consecutive acetic acid liquid storage tank, flying dust elution device, the little electrolysis detoxification device of one -level zeroth order iron, the little electrolysis detoxification device of second grade zeroth order iron and the waste liquid backward flow pond of liquid flow orientation. The utility model discloses process flow is simple, and the dangerous incineration fly ash after the processing has reached innoxious purpose, and resource utilization rate is higher, the zeroth order iron material is easily retrieved and is recycled, has also reduced in the eluate heavy metal simultaneously to the pollution of environment, environmental protection more.
Description
Technical field
This utility model belongs to danger noxious waste pollution control technology field in environmental conservation and in particular to a kind of endanger
The continuous detoxification treatment device of dangerous flying ash.
Background technology
The flying dust of 3%-5% and the bottom ash of 30%-40% is produced respectively after house refuse and medical refuse burning.Due to burning
Always contain substantial amounts of soluble heavy metal in flying dust, there is Leaching, be therefore formulated into " the National Hazard garbage of China
Register ".Recent study finds, in solid waste incineration flying dust in addition to containing substantial amounts of heavy metal copper and zinc, also contains
Lead, cadmium, chromium and hydrargyrum etc..If these solid waste are dealt with improperly, serious secondary pollution can be caused to environment.
At present, the main dangerous solid waste incineration flying dust treatment technology of China has: cement solidification method and chemical extraction
Method etc., these method complex operations, processing cost is higher, can not thoroughly efficiently solve in flying ash in processing disposal
The problem of heavy metal pollution, and traditional washing process device has certain effect for the removal of heavy metal, but also expose it
The problems such as technological process is long, the fly-ash heavy metal content after washing is high and operating cost is higher, is taken off by multistage Zero-valent Iron
Heavy metal in flying dust can be removed, be really achieved the processing intent of making fly-ash from incineration harmless by malicious device continuous action further.
Content of the invention
The technical problem that this utility model solves there is provided a kind of structure dangerous flying ash simple and reasonable in design
Continuous detoxification treatment device, is processed by this device and has reached simplification of flowsheet, reduced operating cost and thoroughly remove flying dust
The purpose of middle heavy metal.
This utility model is to solve above-mentioned technical problem to adopt the following technical scheme that, a kind of danger continuous detoxification of flying ash
Processing meanss it is characterised in that include acetic acid liquid storage tank, flying dust washing device, one-level Zero-valent Iron light electrolysis detoxification device, two grades
Zero-valent Iron light electrolysis detoxification device and waste reflux pond, the bottom of wherein flying dust washing device is provided with feed tube, this feed liquor Gutron
Cross delivery pump and connecting tube to be connected with acetic acid liquid storage tank, the top of flying dust washing device is provided with drain pipe, this drain pipe passes through even
Adapter is connected with the feed tube being arranged at one-level Zero-valent Iron light electrolysis detoxification device bottom, the internal neighbouring feed liquor of flying dust washing device
The downside of the upside of pipe and neighbouring drain pipe is respectively equipped with g2 molding sand core filter plate, and one-level Zero-valent Iron light electrolysis detoxification device is internal adjacent
The upside of nearly feed tube is provided with g1 molding sand core filter plate, and the inside of one-level Zero-valent Iron light electrolysis detoxification device is filled with Zero-valent Iron, and one
The top of level Zero-valent Iron light electrolysis detoxification device is provided with outlet pipe, and this outlet pipe passes through connecting tube and to be arranged at two grades of Zero-valent Iron micro-
The feed tube of electrolysis detoxification device bottom connects, and two grades of Zero-valent Iron light electrolysis detoxification device inside are provided with adjacent to the upside of feed tube
G1 molding sand core filter plate, the inside of two grades of Zero-valent Iron light electrolysis detoxification devices is filled with Zero-valent Iron, two grades of Zero-valent Iron light electrolysis detoxifications
The top of device is provided with outlet pipe, and the part water outlet of this outlet pipe is discharged, and another water outlet is passed through reflux pump and connecting tube and given up
Liquid backflow pool inlet connects, and waste reflux pond liquid outlet passes through between connecting tube and flying dust washing device feed tube and delivery pump
Connecting tube connect.
Further preferably, the top of described flying dust washing device is provided with liquid flowing tube, and one-level Zero-valent Iron light electrolysis detoxification fills
The middle part put and top are respectively equipped with liquid flowing tube, and the middle part of two grades of Zero-valent Iron light electrolysis detoxification devices and top are respectively equipped with and take liquid
Pipe, above-mentioned liquid flowing tube is respectively equipped with liquid taking valve.
Further preferably, described flying dust washing device is by upper eluting room and the docking of lower eluting room of two-piece unit structure
Become, on this, eluting room and lower eluting room are the cylindrical cavity of one end open, are respectively equipped with ground in the open side of cylindrical cavity
Flange, upper eluting room is fixedly connected by connector with the ground flange of lower eluting room open side.
Further preferably, downward-sloping 45-50 ° of the drain pipe of described flying dust washing device, one-level Zero-valent Iron light electrolysis
Downward-sloping 45-50 ° of the drain pipe of detoxification device, the feed tube of one-level Zero-valent Iron light electrolysis detoxification device is inclined upwardly 45-
50 °, downward-sloping 45-50 ° of the drain pipe of two grades of Zero-valent Iron light electrolysis detoxification devices, two grades of Zero-valent Iron light electrolysis detoxification devices
Feed tube is inclined upwardly 45-50 °.
Further preferably, the g2 molding sand core filter plate of described flying dust washing device inner lower is provided with magneton, and flying dust is washed
The bottom of de- device is provided with magnetic stirring apparatuses.
Further preferably, described one-level Zero-valent Iron light electrolysis detoxification device is by the cylindrical cavity of top end opening and ground method
Blue lid is constituted, and is provided with, in the open side of cylindrical cavity, the ground flange matching with ground blind flange, and this ground flange passes through to connect
Part is fixedly connected with ground blind flange.
Further preferably, two grades of described Zero-valent Iron light electrolysis detoxification devices are by the cylindrical cavity of top end opening and ground method
Blue lid is constituted, and is provided with, in the open side of cylindrical cavity, the ground flange matching with ground blind flange, and this ground flange passes through to connect
Part is fixedly connected with ground blind flange.
Further preferably, in the connecting tube between described reflux pump and two grades of Zero-valent Iron light electrolysis detoxification device drain pipes
It is provided with valve.
Further preferably, described connecting tube is latex tubing.
Further preferably, described Zero-valent Iron is industrial waste iron filings.
The feature that this utility model is easily eluted out using heavy metal in flying ash under sour environment, make flying dust with
Certain density acetum is sufficiently washed in continuous elutriator under magnetic agitation effect, flying dust in the process
In the soluble organic fraction such as the heavy metallic mineral that comprises under weakly acidic condition washed out, most of heavy metal ion in one-level and
It is adsorbed onto zeroth order iron surface under the continuous reduction of two grades of Zero-valent Iron to be removed, and wash the residual of the flying dust after detoxification
Content of beary metal has reached innoxious processing intent, can carry out security landfill or recycling.
This utility model simplifies the technological process processing dangerous flying ash, has saved processing cost, has reached harmless
The purpose changed, resource utilization is higher, and Zero-valent Iron processes material and is easily recycled simultaneously, reduces heavy metal in eluent
Pollution to environment, more environmentally-friendly.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure: 1, acetic acid liquid storage tank, 2, delivery pump, 3, flying dust washing device, 4, connecting tube, 5, ground flange, 6, g2 type
Core filter plate, 7, water intake valve, 8, valve, 9, magneton, 10, one-level Zero-valent Iron light electrolysis detoxification device, 11, g1 molding sand core filter plate,
12nd, two grades of Zero-valent Iron light electrolysis detoxification devices, 13, reflux pump, 14, waste reflux pond.
Specific embodiment
Describe particular content of the present utility model in conjunction with accompanying drawing in detail.As shown in Fig. 1, a kind of danger flying ash is continuous
Detoxification treatment device, including acetic acid liquid storage tank 1, flying dust washing device 3,10, two grade zero of one-level Zero-valent Iron light electrolysis detoxification device
Valency ferrum light electrolysis detoxification device 12 and waste reflux pond 14.
The bottom of described flying dust washing device 3 is provided with feed tube, and this feed tube passes through delivery pump 2 and connecting tube 4 and vinegar
Sour liquid storage tank 1 connects, and the top of flying dust washing device 3 is respectively equipped with drain pipe, and this drain pipe passes through connecting tube 4 and is arranged at one
The feed tube of level Zero-valent Iron light electrolysis detoxification device 10 bottom connects, the upside of the internal neighbouring feed tube of flying dust washing device 3 and
The downside of neighbouring drain pipe is respectively equipped with g2 molding sand core filter plate 6, and one-level Zero-valent Iron micro-electrolysis reaction detoxification device 10 is internal neighbouring
The upside of feed tube is provided with g1 molding sand core filter plate 11, and the top of one-level Zero-valent Iron light electrolysis detoxification device 10 is provided with outlet pipe, should
Outlet pipe is connected with the feed tube being arranged at two grades of Zero-valent Iron light electrolysis detoxification device 12 bottoms by connecting tube 4, two grades of zeroth orders
The upside of the internal neighbouring feed tube of ferrum light electrolysis detoxification device 12 is provided with g1 molding sand core filter plate 11, two grades of Zero-valent Iron light electrolysis detoxifications
The top of device 12 is provided with outlet pipe, and the part water outlet of this outlet pipe is discharged, and another part water outlet is passed through reflux pump 13 and connected
Pipe 4 is connected with waste reflux pond 14 inlet, and waste reflux pond 14 liquid outlet passes through connecting tube 4 and flying dust washing device 3 feed liquor
Connecting tube 4 between pipe and delivery pump 2 connects.
The top of described flying dust washing device 3 is provided with liquid flowing tube, the middle part of one-level Zero-valent Iron light electrolysis detoxification device 10
It is respectively equipped with liquid flowing tube with top, the middle part of two grades of Zero-valent Iron light electrolysis detoxification devices 12 and top are respectively equipped with liquid flowing tube, on
State and liquid taking valve 7 is respectively equipped with liquid flowing tube.
Described flying dust washing device 3 is docked and is formed by the upper eluting room of two-piece unit structure and lower eluting room, and this is washed
De- room and lower eluting room are the cylindrical cavity of one end open, are respectively equipped with ground flange 5 in the open side of cylindrical cavity, above wash
De- room is fixedly connected by connector with the ground flange 5 of lower eluting room open side.
Downward-sloping 45-50 ° of the drain pipe of described flying dust washing device 3, one-level Zero-valent Iron light electrolysis detoxification device 10
Downward-sloping 45-50 ° of drain pipe, the feed tube of one-level Zero-valent Iron light electrolysis detoxification device 10 is inclined upwardly 45-50 °, two grades
Downward-sloping 45-50 ° of the drain pipe of Zero-valent Iron light electrolysis detoxification device 12, the feed liquor of two grades of Zero-valent Iron light electrolysis detoxification devices 12
Pipe is inclined upwardly 45-50 °, so that liquid is easy to slowly flow downward.
The g2 molding sand core filter plate 6 of described flying dust washing device 3 inner lower is provided with magneton 9, flying dust washing device 3
Bottom is provided with magnetic stirring apparatuses.
Described one-level Zero-valent Iron light electrolysis detoxification device 10 is made up of the cylindrical cavity of top end opening and ground blind flange,
It is provided with the ground flange 5 matching with ground blind flange in the open side of cylindrical cavity, this ground flange 5 passes through connector and ground
Blind flange is fixedly connected.
Two grades of described Zero-valent Iron light electrolysis detoxification devices 12 are made up of the cylindrical cavity of top end opening and ground blind flange,
It is provided with the ground flange 5 matching with ground blind flange in the open side of cylindrical cavity, this ground flange 5 passes through connector and ground
Blind flange is fixedly connected.
Connecting tube 4 between described reflux pump 13 and two grades of Zero-valent Iron light electrolysis detoxification device 12 drain pipes is provided with valve
Door 8.Described connecting tube 4 is latex tubing.Described Zero-valent Iron is industrial waste iron filings.
Carrying out practically process of the present utility model is: is passed through certain density acetic acid from water inlet pipe in flying dust washing device
Solution carries out counter current contacting washing with dangerous flying ash under magnetic agitation effect, in flying dust heavy metal soluble-salt with to
On eluent contact remain certain concentration difference under conditions of be gradually leached, adjust the flow velocity of delivery pump and magneton
Rotating speed, makes the wash time of flying dust be maintained at 30-60 minute it is ensured that dangerous flying ash is fully contacted with acetic acid eluent, makes
Soluble heavy metal leaches in solution；
Waste liquid enters one-level Zero-valent Iron light electrolysis detoxification device by the outlet pipe on flying dust washing device top, fills out in cylinder
Full trickle zero-valent scrap, when eluent inversely slow transits through Zero-valent Iron cylinder, using the larger specific surface area of Zero-valent Iron and stronger
Reactivity make heavy metal in elution fractions be reached removal by Zero-valent Iron reduction adsorption；
Waste liquid enters two grades of Zero-valent Iron light electrolysis detoxifications by the outlet pipe on one-level Zero-valent Iron light electrolysis detoxification device top
Device, with one-level Zero-valent Iron light electrolysis detoxification device, eluent enters two grade zero for two grades of Zero-valent Iron light electrolysis detoxification device designs
Continue slow and Zero-valent Iron effect after valency ferrum light electrolysis detoxification device, so that heavy metal in solution is reached further by being reduced absorption
To removing, eluent and mean residence time time of contact of Zero-valent Iron are 10-20 minute in the process, deposit due in flying dust
In substantial amounts of cao, so that eluent ph value is raised in course of reaction, make great amount of soluble metal and Zero-valent Iron in dangerous flying ash
Carry out precipitation also occurs being removed while reaction reduction, so that eluent is reused；
Elution fractions are back to through reflux pump by waste liquid by the outlet pipe of two grades of Zero-valent Iron light electrolysis detoxification devices
Waste reflux pond, adjusts solution ph, then the water inlet being pumped to flying dust washing device bottom through conveying by adding glacial acetic acid
Pipe.
In experiment, Zero-valent Iron is industrial waste iron filings, is loaded, the process of Zero-valent Iron can after overpickling pretreatment
Thoroughly remove the heavy metal in flying dust, the backflow of waste water simultaneously also ensure that the seriality of technique, can shorten handling process, make
Cost is reduced, and finally makes dangerous flying ash reach innoxious purpose.
Of the present utility model ultimate principle, principal character and advantage have been shown and described above, new without departing from this practicality
On the premise of type spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within requirement and protect
The scope of the present utility model of shield.
Claims (10)
1. a kind of danger flying ash continuous detoxification treatment device it is characterised in that include acetic acid liquid storage tank, flying dust washing device,
One-level Zero-valent Iron light electrolysis detoxification device, two grades of Zero-valent Iron light electrolysis detoxification devices and waste reflux pond, wherein flying dust eluting fill
The bottom put is provided with feed tube, and this feed tube passes through delivery pump and connecting tube is connected with acetic acid liquid storage tank, flying dust washing device
Top is provided with drain pipe, and this drain pipe passes through connecting tube and the feed tube being arranged at one-level Zero-valent Iron light electrolysis detoxification device bottom
Connect, the upside of the internal neighbouring feed tube of flying dust washing device and the downside of neighbouring drain pipe are respectively equipped with g2 molding sand core filter plate,
The upside of the internal neighbouring feed tube of one-level Zero-valent Iron light electrolysis detoxification device is provided with g1 molding sand core filter plate, one-level Zero-valent Iron light electrolysis
The inside of detoxification device is filled with Zero-valent Iron, and the top of one-level Zero-valent Iron light electrolysis detoxification device is provided with outlet pipe, this outlet pipe
It is connected with the feed tube being arranged at two grades of Zero-valent Iron light electrolysis detoxification device bottoms by connecting tube, two grades of Zero-valent Iron light electrolysis take off
The upside of the internal neighbouring feed tube of malicious device is provided with g1 molding sand core filter plate, the inside filling of two grades of Zero-valent Iron light electrolysis detoxification devices
There is Zero-valent Iron, the top of two grades of Zero-valent Iron light electrolysis detoxification devices is provided with outlet pipe, the part water outlet of this outlet pipe is discharged, another
Reflux pump is passed through in portion's water outlet and connecting tube is connected with waste reflux pond inlet, and waste reflux pond liquid outlet passes through connecting tube and flies
Connecting tube between grey washing device feed tube and delivery pump connects.
2. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described flying dust is washed
The top of de- device is provided with liquid flowing tube, and the middle part of one-level Zero-valent Iron light electrolysis detoxification device and top are respectively equipped with liquid flowing tube, and two
The middle part of level Zero-valent Iron light electrolysis detoxification device and top are respectively equipped with liquid flowing tube, and above-mentioned liquid flowing tube is respectively equipped with liquid taking valve.
3. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described flying dust is washed
De- device is docked and is formed by the upper eluting room of two-piece unit structure and lower eluting room, and on this, eluting room and lower eluting room are one end
The cylindrical cavity of opening, is respectively equipped with ground flange in the open side of cylindrical cavity, upper eluting room and lower eluting room open side
Ground flange is fixedly connected by connector.
4. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described flying dust is washed
Downward-sloping 45-50 ° of the drain pipe of de- device, downward-sloping 45-50 ° of the drain pipe of one-level Zero-valent Iron light electrolysis detoxification device,
The feed tube of one-level Zero-valent Iron light electrolysis detoxification device is inclined upwardly 45-50 °, two grades of Zero-valent Iron light electrolysis detoxification devices go out liquid
Manage downward-sloping 45-50 °, the feed tube of two grades of Zero-valent Iron light electrolysis detoxification devices is inclined upwardly 45-50 °.
5. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described flying dust is washed
The g2 molding sand core filter plate of de- device inner lower is provided with magneton, and the bottom of flying dust washing device is provided with magnetic stirring apparatuses.
6. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described one-level zero
Valency ferrum light electrolysis detoxification device is made up of the cylindrical cavity of top end opening and ground blind flange, is provided with the open side of cylindrical cavity
The ground flange matching with ground blind flange, this ground flange is fixedly connected with ground blind flange by connector.
7. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described two grade zero
Valency ferrum light electrolysis detoxification device is made up of the cylindrical cavity of top end opening and ground blind flange, is provided with the open side of cylindrical cavity
The ground flange matching with ground blind flange, this ground flange is fixedly connected with ground blind flange by connector.
8. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described reflux pump
Connecting tube and two grades of Zero-valent Iron light electrolysis detoxification device drain pipes between is provided with valve.
9. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described connecting tube
For latex tubing.
10. according to claim 1 danger flying ash continuous detoxification treatment device it is characterised in that: described zeroth order
Ferrum is industrial waste iron filings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844836.4U CN205903558U (en) | 2016-08-08 | 2016-08-08 | Continuous detoxification processing apparatus of dangerous incineration fly ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844836.4U CN205903558U (en) | 2016-08-08 | 2016-08-08 | Continuous detoxification processing apparatus of dangerous incineration fly ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205903558U true CN205903558U (en) | 2017-01-25 |
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ID=57803507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620844836.4U Expired - Fee Related CN205903558U (en) | 2016-08-08 | 2016-08-08 | Continuous detoxification processing apparatus of dangerous incineration fly ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205903558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216135A (en) * | 2019-07-16 | 2019-09-10 | 科盛环保科技股份有限公司 | A kind of multistage decyanation tower of cyanamide waste residue |
| CN111268771A (en) * | 2020-02-17 | 2020-06-12 | 北京科技大学 | Electrochemical method for dechlorinating and removing heavy metals from incineration fly ash water washing liquid |
-
2016
- 2016-08-08 CN CN201620844836.4U patent/CN205903558U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216135A (en) * | 2019-07-16 | 2019-09-10 | 科盛环保科技股份有限公司 | A kind of multistage decyanation tower of cyanamide waste residue |
| CN111268771A (en) * | 2020-02-17 | 2020-06-12 | 北京科技大学 | Electrochemical method for dechlorinating and removing heavy metals from incineration fly ash water washing liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |