CN208772136U - A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit - Google Patents
A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit Download PDFInfo
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- CN208772136U CN208772136U CN201820640573.4U CN201820640573U CN208772136U CN 208772136 U CN208772136 U CN 208772136U CN 201820640573 U CN201820640573 U CN 201820640573U CN 208772136 U CN208772136 U CN 208772136U
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- chromium
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- polluted soil
- soil
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Abstract
The utility model discloses a kind of automatic pulverizing of chromium-polluted soil, screening and processing units, including crushing device, processing unit of dechromising, uniform, reaction tank and PLC control system；The feed inlet of the uniform is connected with the discharge port of crushing device, and the discharge port of the uniform is connected with the feed inlet for processing unit of dechromising；Solid reductant is equipped in the reaction tank, the inlet of the reaction tank is connected with the liquid outlet for processing unit of dechromising；The PLC control system respectively with crushing device, processing unit of dechromising, uniform communication connection.The utility model not only reduces the remediation efficiency of chromium-polluted soil, and also reduces the labor intensity of operator, brings biggish convenience to the repair of chromium-polluted soil.
Description
Technical field
The utility model relates to technical field of environment protection equipment, are related specifically to automatic pulverizing, the sieve of a kind of chromium-polluted soil
Point and processing unit.
Background technique
Current soil heavy metal pollution has become serious problem of environmental pollution, and becomes and endanger human health now
One of an important factor for.At the same time, heavy metal pollution of soil reparation and Controlling research are the emphasis of environmental pollution improvement's research.
In nature, heavy metal is difficult to be degraded by microbial metabolism, into being difficult to eliminate in soil, under different condition,
Form existing for heavy metal is different from valence state, and toxicity and activity also have apparent difference, and heavy metal chromium (Cr) element is exactly
One kind more outstanding, usually there are two kinds of forms in chromium in soil, and the toxicity power that different forms is showed is also different, shape
State has trivalent chromium Cr (III) (Cr3+ cation and CrO2 2-Anion) and Cr VI Cr (VI) (Cr2O7 2-And CrO4 2-Two kinds of yin
Ion)；The toxicity of Cr VI is extremely strong, is highly soluble in water, and migration is extremely strong；And the toxicity of trivalent chromium lower than the toxicity of Cr VI one
Hundred times or so, migration is weaker compared to Cr VI.Chromium mainly exists in the form of Cr VI in soil, relative to sexavalence
Chromium, trivalent chromium toxicity is lower, has fewer environmental impacts, and Cr VI is easy to be reduced into trivalent chromium under field conditions (factors), and three
Valence chromium is difficult to convert into Cr VI, therefore mainly considers chromium-polluted soil repair process to carry out repair process to Cr VI.
Currently, the processing unit overall structure for being repaired to chromium-polluted soil is complex, and operate more
It is cumbersome, the remediation efficiency of chromium-polluted soil is not only reduced using aforesaid way, and the labour for also improving operator is strong
Degree, brings biggish inconvenience to the repair of chromium-polluted soil.
However in view of the deficiencies of the prior art, a kind of design is reasonable, structure is simple, operation side it is necessary to develop by developer
Just, the remediation efficiency of chromium-polluted soil is not only reduced, and also reduces the labor intensity of operator, gives chromium-polluted soil
Repair bring automatic pulverizing, screening and the processing unit of biggish convenient chromium-polluted soil.
Utility model content
In order to solve the problems existing in the prior art, the utility model aim provide a kind of design rationally, structure is simple, behaviour
Facilitate, not only reduce the remediation efficiency of chromium-polluted soil, and also reduce the labor intensity of operator, gives pollution of chromium
The repair of soil brings automatic pulverizing, screening and the processing unit of biggish convenient chromium-polluted soil.
In order to solve the above technical problems, the utility model is realized using following technical scheme:
A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit, which is characterized in that including
One for will be by the crushing device of the soil breaking of pollution of chromium；
One for carrying out chromium-treated processing unit of dechromising to by the broken soil of crushing device；
One for will uniformly be transported to the uniform conveying dechromised in processing unit by the broken soil of crushing device
Device, the feed inlet of the uniform are connected with the discharge port of crushing device, the discharging of the uniform
Mouth is connected with the feed inlet for processing unit of dechromising；
One for generating the reaction tank of chromium sediment with the solution reaction with chromium ion, is equipped in the reaction tank solid
Body reducing agent, the inlet of the reaction tank are connected with the liquid outlet for processing unit of dechromising；
One PLC control system, the PLC control system respectively with crushing device, processing unit of dechromising, uniform
Communication connection.
In a preferred embodiment of the utility model, the crushing device includes crushing shell, in the broken shell
The top of body is equipped with chromium-polluted soil feed inlet, chromium-polluted soil discharge port is equipped in the bottom of the crushing shell, described
It is equipped with to be crushed for the active of the broken soil by pollution of chromium in crushing shell and cares for roller and driven breaker roll, the active breaker roll
With for being connected for its broken motor for providing crushing power, the broken motor and PLC control system communication connection.
In a preferred embodiment of the utility model, it is equipped on the chromium-polluted soil discharge port outer for preventing
Soil particle of the diameter greater than 3mm is flowed into the sieve in uniform.
In a preferred embodiment of the utility model, the processing unit of dechromising includes shell, interior is equipped with described
Driving wheel and driven wheel, the driving wheel and between moving in turn be equipped with sieve pore conveyer belt, the driving wheel and driving
The output shaft of motor is connected, and is equipped at intervals on the top of the shell and along the feed direction of conveyer belt multiple for spraying
By the chromium ion in the soil by pollution of chromium take away reparation solution spray head, the spray head by liquid-transport pipe-line with react
The liquid outlet in pond is connected, and is equipped on the liquid-transport pipe-line for the reparation solution in reaction tank to be delivered at spray head
Delivery pump, the driving motor and delivery pump respectively with PLC control system communication connection.
In a preferred embodiment of the utility model, the uniform includes conveying cylinder, described defeated
It send and is equipped with spiral conveyor rod in cylinder, be equipped in one end of the conveying cylinder defeated for driving screw thread conveying lever to be rotated
Power transmission machine, the feeder motor and PLC control system communication connection.
In a preferred embodiment of the utility model, the solid reductant is ferrous sulfate heptahydrate.
Compared with prior art, the utility model can be such that the soil by pollution of chromium successively realizes automatically using the above structure
Broken, screening and removal chromium ion process, not only reduce the remediation efficiency of chromium-polluted soil, and also reduce operator
The labor intensity of member, brings biggish convenience to the repair of chromium-polluted soil.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is further described.
Shown in referring to Fig.1, automatic pulverizing, screening and the processing unit of a kind of chromium-polluted soil provided in figure, including it is broken
Crushing device 100, processing unit of dechromising 300, uniform 200, reaction tank 400 and PLC control system.
Crushing device 100 by the soil breaking of pollution of chromium, processing unit of dechromising 300 for that will be used for by crushing device
100 broken soil carry out processing of dechromising, and uniform 200 will be for that will pass through the broken soil of crushing device 100
It is uniformly transported to and dechromises in processing unit 300, the feed inlet 211 of uniform 200 and the discharge port of crushing device 100
112 are connected, and the discharge port 212 of uniform 200 is connected with the feed inlet 311 for processing unit 300 of dechromising.
Reaction tank 400 is used to generate chromium sediment with the solution reaction with chromium ion, and solid is equipped in reaction tank 400
Reducing agent, the inlet of reaction tank 400 are connected with the liquid outlet 312 for processing unit 300 of dechromising, PLC control system respectively with
Crushing device 100, processing unit of dechromising 300,200 communication connection of uniform, in the present embodiment solid reductant be
Ferrous sulfate heptahydrate.
Crushing device 100 includes crushing shell 110, is equipped with chromium-polluted soil feed inlet at the top of crushing shell 110
111, be equipped with chromium-polluted soil discharge port 112 in the bottom of crushing shell 110, be equipped in crushing shell 110 for it is broken by
The active of the soil of pollution of chromium is broken to care for roller 120 and driven breaker roll 130, active breaker roll 120 be used to provide for it is broken
The broken motor of power is connected, and is crushed motor and PLC control system communication connection.
On chromium-polluted soil discharge port 112 be equipped with for prevent outer diameter greater than 3mm soil particle be flowed into uniformly it is defeated
The sieve 140 in device is sent, broken soil can be sieved by adopting the structure, and effectively raise the device
Practical performance.
Processing unit of dechromising 300 includes shell 310, is equipped with driving wheel 320 and driven wheel 330 inside, driving wheel 320 with
The conveyer belt 340 with sieve pore is equipped between 330 from moving in turn, driving wheel 320 is connected with the output shaft of driving motor, in shell
It is equipped at intervals on 310 top and along the feed direction of conveyer belt 340 multiple for spraying the chromium in the soil by pollution of chromium
Ion take away reparation solution spray head 350, in the present embodiment repair solution be neopelex, hydrogen peroxide and
Water is mixed into mixed solution.
Spray head 350 is connected by liquid-transport pipe-line 500 with the liquid outlet of reaction tank 400, is equipped on liquid-transport pipe-line 500
For the reparation solution in reaction tank 400 to be delivered to the delivery pump 510 at spray head 350, driving motor divides with delivery pump 510
Not with PLC control system communication connection.
Uniform 200 includes conveying cylinder 210, spiral conveyor rod 220 is equipped in conveying cylinder 210, defeated
Send one end of cylinder 210 to be equipped with feeder motor 230 for driving screw thread conveying lever 220 to be rotated, feeder motor 230 with
PLC control system communication connection.
The utility model can make the soil by pollution of chromium successively realize automatic pulverizing, sieve using the above structure in summary
Divide and remove chromium ion process, not only reduces the remediation efficiency of chromium-polluted soil, and also reduce the labor of operator
Fatigue resistance brings biggish convenience to the repair of chromium-polluted soil.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (5)
1. a kind of automatic pulverizing of chromium-polluted soil, screening and processing unit, which is characterized in that including
One for that will be included crushing shell by the crushing device of the soil breaking of pollution of chromium, the crushing device, described broken
The top of shell is equipped with chromium-polluted soil feed inlet, chromium-polluted soil discharge port is equipped in the bottom of the crushing shell, in institute
It states to be equipped with to be crushed for the active of the broken soil by pollution of chromium in crushing shell and cares for roller and driven breaker roll, the active is broken
Roller with for being connected for its broken motor for providing crushing power, the broken motor and PLC control system communication connection；
One for carrying out chromium-treated processing unit of dechromising to by the broken soil of crushing device；
One for will uniformly be transported to the uniform to dechromise in processing unit by the broken soil of crushing device,
The feed inlet of the uniform is connected with the discharge port of crushing device, the discharge port of the uniform with go
The feed inlet of chromium processing unit is connected；
One for generating the reaction tank of chromium sediment with the solution reaction with chromium ion, is equipped with solid also in the reaction tank
Former agent, the inlet of the reaction tank are connected with the liquid outlet for processing unit of dechromising；
One PLC control system, the PLC control system are communicated with crushing device, processing unit of dechromising, uniform respectively
Connection.
2. automatic pulverizing, screening and the processing unit of a kind of chromium-polluted soil according to claim 1, it is characterised in that:
It is equipped on the chromium-polluted soil discharge port for preventing soil particle of the outer diameter greater than 3mm to be flowed into uniform
Sieve.
3. automatic pulverizing, screening and the processing unit of a kind of chromium-polluted soil according to claim 1, it is characterised in that:
The processing unit of dechromising includes shell, it is described it is interior be equipped with driving wheel and driven wheel, in the driving wheel and between moving in turn
Equipped with the conveyer belt for having sieve pore, the driving wheel is connected with the output shaft of driving motor, on the top of the shell and
It is equipped at intervals with along the feed direction of conveyer belt multiple molten for spraying the reparation for taking away the chromium ion in the soil by pollution of chromium
The spray head of liquid, the spray head are connected with the liquid outlet of reaction tank by liquid-transport pipe-line, are equipped on the liquid-transport pipe-line
For the reparation solution in reaction tank to be delivered to the delivery pump at spray head, the driving motor and delivery pump respectively with PLC
Control system communication connection.
4. automatic pulverizing, screening and the processing unit of a kind of chromium-polluted soil according to claim 1, it is characterised in that:
The uniform includes conveying cylinder, and spiral conveyor rod is equipped in the transport tube body, in the conveying cylinder
One end is equipped with the feeder motor for driving screw thread conveying lever to be rotated, and the feeder motor and PLC control system communication connect
It connects.
5. automatic pulverizing, screening and the processing unit of a kind of chromium-polluted soil according to claim 1, it is characterised in that:
The solid reductant is ferrous sulfate heptahydrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640573.4U CN208772136U (en) | 2018-05-02 | 2018-05-02 | A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640573.4U CN208772136U (en) | 2018-05-02 | 2018-05-02 | A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208772136U true CN208772136U (en) | 2019-04-23 |
Family
ID=66148001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640573.4U Expired - Fee Related CN208772136U (en) | 2018-05-02 | 2018-05-02 | A kind of automatic pulverizing of chromium-polluted soil, screening and processing unit |
Country Status (1)
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|---|---|
| CN (1) | CN208772136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064650A (en) * | 2019-06-06 | 2019-07-30 | 张文鑫 | A kind of soil restoring device for environmental improvement |
| CN113118203A (en) * | 2021-04-20 | 2021-07-16 | 江苏伟恒土壤治理科技有限公司 | Soil ecological remediation equipment |
| CN115193529A (en) * | 2022-07-15 | 2022-10-18 | 国家电投集团东北电力有限公司抚顺热电分公司 | Material conveying equipment for coal crushing and working method thereof |
-
2018
- 2018-05-02 CN CN201820640573.4U patent/CN208772136U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064650A (en) * | 2019-06-06 | 2019-07-30 | 张文鑫 | A kind of soil restoring device for environmental improvement |
| CN113118203A (en) * | 2021-04-20 | 2021-07-16 | 江苏伟恒土壤治理科技有限公司 | Soil ecological remediation equipment |
| CN115193529A (en) * | 2022-07-15 | 2022-10-18 | 国家电投集团东北电力有限公司抚顺热电分公司 | Material conveying equipment for coal crushing and working method thereof |
| CN115193529B (en) * | 2022-07-15 | 2024-05-07 | 国家电投集团东北电力有限公司抚顺热电分公司 | Material conveying equipment for coal crushing and working method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20210502 |