CN217148645U - Ecological restoration device for leaching heavy metal-containing material by using membrane concentrated solution - Google Patents
Ecological restoration device for leaching heavy metal-containing material by using membrane concentrated solution Download PDFInfo
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- CN217148645U CN217148645U CN202220878614.XU CN202220878614U CN217148645U CN 217148645 U CN217148645 U CN 217148645U CN 202220878614 U CN202220878614 U CN 202220878614U CN 217148645 U CN217148645 U CN 217148645U
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- Prior art keywords
- heavy metal
- leaching
- liquid
- material placing
- storage tank
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- 239000000463 material Substances 0.000 title claims abstract description 79
- 238000002386 leaching Methods 0.000 title claims abstract description 44
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 43
- 239000012528 membrane Substances 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000002699 waste material Substances 0.000 claims abstract description 25
- 239000012141 concentrate Substances 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000006004 Quartz sand Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000945 filler Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 5
- 238000005067 remediation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000001988 toxicity Effects 0.000 abstract description 5
- 231100000419 toxicity Toxicity 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 210000005056 cell body Anatomy 0.000 description 5
- 239000002920 hazardous waste Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses an ecological restoration device for leaching heavy metal-containing materials by using membrane concentrated solution, which comprises a membrane concentrated solution holding unit and a leaching unit, wherein the membrane concentrated solution holding unit comprises a liquid storage tank, the top of the liquid storage tank is provided with a pressure release valve and a pressure gauge, and the liquid storage tank is connected with a pressure pump through a pressure pipe; the leaching unit comprises a sprayer and a material placing groove, the sprayer is connected with the liquid storage tank through a guide pipe, a flow regulating valve is arranged on the guide pipe, the material placing groove is arranged below the sprayer, and a leaching liquid collecting assembly is arranged below the material placing groove. The utility model discloses can realize dissolving out harmful heavy metal among the discarded heavy metal repair material, reduce it and leach toxicity to reduce the concentration of pollutant in the membrane concentrate, realize "treating waste with waste" resource comprehensive utilization, simple structure, the treatment effect is showing, and resource utilization is high.
Description
Technical Field
The utility model relates to an ecological remediation technical field especially relates to a membrane concentrate leaching contains ecological remediation device of heavy metal material.
Background
In the prior art, a repairing material is filled in an experimental device for simulating the remediation of the underground water polluted by the heavy metal, a large amount of heavy metal is adsorbed in the repairing material after the experiment is finished, and the waste heavy metal repairing material enters a hazardous waste landfill site after harmless treatment in principle, but because the storage capacity of the hazardous waste landfill site is limited and the cost is high, if the pretreatment is not up to the standard or the hazardous waste landfill site is not subjected to regional landfill, the problems that a percolate guide and drainage system is blocked and the like are more easily caused, the risk that the heavy metal leaches out again to pollute the environment is higher. At present, an ecological restoration device for leaching heavy metal-containing materials by using membrane concentrated solution is not seen, and the comprehensive utilization of 'treating waste by waste' resource is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a membrane concentrate leaching ecological remediation device who contains heavy metal material solves dumped heavy metal repair material and handles the difficulty, and is with high costs, and the heavy metal leaches the problem of polluted environment again.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to an ecological restoration device for leaching heavy metal-containing materials by using membrane concentrated solution, which comprises a membrane concentrated solution holding unit and a leaching unit, wherein the membrane concentrated solution holding unit comprises a liquid storage tank, the top of the liquid storage tank is provided with a pressure release valve and a pressure gauge, and the liquid storage tank is connected with a pressure pump through a pressure pipe; the leaching unit comprises a sprayer and a material placing groove, the sprayer is connected with the liquid storage tank through a guide pipe, a flow regulating valve is arranged on the guide pipe, the material placing groove is arranged below the sprayer, and a leaching liquid collecting assembly is arranged below the material placing groove.
Furthermore, the number of the material placing grooves is set to be a plurality of, the material placing grooves are arranged in series from top to bottom, and a liquid distributor is arranged between every two adjacent material placing grooves.
Furthermore, put the silo including cell body and filler, the filler sets up the inside of cell body, the open-top of cell body, the bottom of cell body is provided with the liquid outlet, the liquid outlet with the below liquid distributor intercommunication.
Furthermore, the filler comprises a quartz sand layer and a waste material layer which are sequentially arranged from top to bottom.
Furthermore, a nylon net is arranged between the quartz sand layer and the waste material layer.
Furthermore, the groove body is made of organic glass.
Furthermore, the liquid storage tank is made of organic glass.
Furthermore, the drench liquid and liquid collecting component comprises a drench liquid buffer and a liquid collecting tank, the drench liquid buffer is connected with the bottom of the material containing tank at the lowest part, a water stop valve is arranged at the bottom of the drench liquid buffer, and the liquid collecting tank is arranged below the drench liquid buffer.
Further, the leachate buffer adopts a liquid collecting funnel.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to an ecological restoration device for leaching heavy metal-containing materials by using membrane concentrated solution, which comprises a membrane concentrated solution holding unit and a leaching unit, wherein the membrane concentrated solution holding unit comprises a liquid storage tank, the top of the liquid storage tank is provided with a pressure release valve and a pressure gauge, and the liquid storage tank is connected with a pressure pump through a pressure pipe; the leaching unit comprises a sprayer and a material placing groove, the sprayer is connected with the liquid storage tank through a guide pipe, a flow regulating valve is arranged on the guide pipe, the material placing groove is arranged below the sprayer, and a leachate collecting assembly is arranged below the material placing groove; the utility model discloses can realize dissolving out harmful heavy metal among the discarded heavy metal repair material, reduce it and leach toxicity to reduce the concentration of pollutant in the membrane concentrate, realize "treating waste with waste" resource comprehensive utilization, simple structure, the treatment effect is showing, and resource utilization is high.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of an ecological restoration device for leaching heavy metal-containing materials by using a membrane concentrated solution of the present invention;
description of reference numerals: 1. a liquid storage tank; 2. a pressure relief valve; 3. a pressure gauge; 4. a pressure pipe; 5. a pressure pump; 6. a sprayer; 7. a conduit; 8. a flow regulating valve; 9. a material placing groove; 10. a leachate buffer; 11. a liquid collecting tank; 12. a water stop valve; 13. a quartz sand layer; 14. a waste layer; 15. a liquid distributor.
Detailed Description
As shown in fig. 1, an ecological restoration device for leaching heavy metal-containing materials with a membrane concentrated solution comprises a membrane concentrated solution containing unit and a leaching unit, wherein the membrane concentrated solution containing unit comprises a liquid storage tank 1, a pressure release valve 2 and a pressure gauge 3 are arranged at the top of the liquid storage tank 1, and the liquid storage tank 1 is connected with a pressure pump 5 through a pressure pipe 4; the leaching unit comprises a sprayer 6 and a material placing groove 9, the sprayer 6 is connected with the liquid storage tank 1 through a guide pipe 7, a flow regulating valve 8 is arranged on the guide pipe 7 to facilitate regulating the leaching rate, the material placing groove 9 is arranged below the sprayer 6, and a leachate collecting assembly is arranged below the material placing groove 9; can monitor the pressure of 1 inside of liquid storage tank through setting up pressure gauge 3, when pressure is less than the setting value, can utilize force pump 5 to carry out the pressure boost, when pressure is higher than the setting value, open relief valve 2, can reduce the pressure of 1 inside of liquid storage tank.
Specifically, the number of the material accommodating grooves 9 is set to be a plurality, the material accommodating grooves 9 are arranged in series from top to bottom, and a liquid distributor 15 is arranged between every two adjacent material accommodating grooves 9.
The material containing groove 9 comprises a groove body and filler, the filler is arranged inside the groove body, the top of the groove body is provided with an opening, the bottom of the groove body is provided with a liquid outlet, and the liquid outlet is communicated with the liquid distributor 15 below; when in use, liquid flows into the liquid distributor 15 from a liquid outlet at the bottom of the tank body, and enters the material placing groove 9 below after being distributed by the liquid distributor 15; the liquid distributor 15 is arranged to ensure that the liquid is distributed uniformly.
The filler comprises a quartz sand layer 13 and a waste material layer 14 which are arranged from top to bottom in sequence.
The quartz sand layer 13 and the waste material layer 14 are separated by a nylon net; specifically, the aperture of the nylon net is 0.1mm, the particle size of the quartz sand is 50-80 meshes, the filling height of the quartz sand is 3-5cm, and the filling height of the waste heavy metal repairing material is 20-40 cm.
The cell body with liquid storage tank 1 all adopts organic glass material, avoids corroding.
The leachate collecting component comprises a leachate buffer 10 and a collecting tank 11, the leachate buffer 10 is connected with the bottom of the material placing tank 9 at the lowest position, the leachate buffer 10 adopts a liquid collecting funnel, a water stop valve 12 is arranged at the bottom of the leachate buffer 10 and used for opening or closing a leaching treatment process, the collecting tank 11 is arranged below the leachate buffer 10, and the collecting tank 11 is used for receiving leachate obtained by leaching treatment.
In this embodiment, the number of the material placing grooves 9 is set to four, and in the actual use process, the number of the material placing grooves 9 can be set according to specific requirements; when only one material containing groove 9 is provided, the sprayer 6 sprays liquid into the material containing groove 9, the leachate buffer 10 is directly connected to the bottom of the material containing groove 9, and leachate flows into the liquid collecting groove 11 through the leachate buffer 10 to be collected.
The membrane concentrated solution contains high-concentration inorganic salt and organic pollutants difficult to degrade, contains a large amount of humus substances, has high COD concentration, and can dissolve out harmful metals in the waste heavy metal repairing material and reduce the leaching toxicity of the heavy metal repairing material; the waste heavy metal repairing material is a mixed material containing cast iron and activated carbon in a certain proportion, and can reduce the concentration of organic pollutants and the like in the membrane concentrated solution and reduce COD; and leaching the waste heavy metal repairing material by using the membrane concentrated solution until the chromaticity and the conductivity of the leaching solution are unchanged to reach a leaching end point. And after the leaching-treated heavy metal repairing material is subjected to heating harmless treatment, the leaching concentration of the heavy metal is further reduced. The utility model discloses can realize dissolving out harmful heavy metal among the discarded heavy metal repair material, reduce it and leach toxicity to reduce the concentration of pollutant in the membrane concentrate, realize "treating waste with waste" resource comprehensive utilization, device simple structure, the treatment effect is showing, and resource utilization is rateed highly.
The utility model discloses a use as follows:
firstly, filling a waste heavy metal repairing material into a groove body of a material placing groove 9 to form a waste material layer 14, filling quartz sand above the waste material layer 14 to form a quartz sand layer 13, so far, completing the filling of one material placing groove 9, filling a plurality of material placing grooves 9 according to the method, connecting the plurality of material placing grooves 9 in series and placing the material placing grooves below a sprayer 6, in order to ensure uniform liquid distribution, arranging a liquid distributor 15 between every two adjacent material placing grooves 9, and arranging a leaching liquid buffer 10 and a collecting groove 11 at the bottom of the lowest group of material placing grooves 9;
then, starting the sprayer 6, uniformly spraying the membrane concentrated solution into the material placing groove 9, reacting the membrane concentrated solution with the waste heavy metal repairing material, dissolving out harmful heavy metals in the waste heavy metal repairing material, reducing the leaching toxicity of the harmful heavy metals, and reducing the concentration of pollutants in the membrane concentrated solution; after being processed by a plurality of material placing grooves 9, the leachate flows into a liquid collecting groove 11 through a leachate buffer 10 to be collected, and when the chromaticity and the conductivity of the leachate are not changed, the leachate reaches the leaching end point.
The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (9)
1. The utility model provides an ecological remediation device that membrane concentrate leaching contains heavy metal material which characterized in that: the device comprises a membrane concentrated solution containing unit and a leaching unit, wherein the membrane concentrated solution containing unit comprises a liquid storage tank, the top of the liquid storage tank is provided with a pressure release valve and a pressure gauge, and the liquid storage tank is connected with a pressure pump through a pressure pipe; the leaching unit comprises a sprayer and a material placing groove, the sprayer is connected with the liquid storage tank through a guide pipe, a flow regulating valve is arranged on the guide pipe, the material placing groove is arranged below the sprayer, and a leaching liquid collecting assembly is arranged below the material placing groove.
2. The ecological restoration device for leaching heavy metal-containing materials by using the membrane concentrate according to claim 1, is characterized in that: the material placing grooves are arranged in a plurality of numbers, the material placing grooves are arranged in series from top to bottom, and a liquid distributor is arranged between every two adjacent material placing grooves.
3. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 2, is characterized in that: the material placing groove comprises a groove body and a filler, the filler is arranged inside the groove body, the top of the groove body is open, a liquid outlet is formed in the bottom of the groove body, and the liquid outlet is communicated with the liquid distributor below the liquid outlet.
4. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 3, is characterized in that: the filler comprises a quartz sand layer and a waste material layer which are sequentially arranged from top to bottom.
5. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 4, is characterized in that: and a nylon net is arranged between the quartz sand layer and the waste material layer.
6. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 3, is characterized in that: the tank body is made of organic glass.
7. The ecological restoration device for leaching heavy metal-containing materials by using the membrane concentrate according to claim 1, is characterized in that: the liquid storage tank is made of organic glass.
8. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 2, is characterized in that: the drench liquid and liquid collecting component comprises a drench liquid buffer and a liquid collecting tank, the drench liquid buffer is connected with the bottom of the material placing tank at the lowest part, a water stop valve is arranged at the bottom of the drench liquid buffer, and the liquid collecting tank is arranged below the drench liquid buffer.
9. The ecological restoration device for leaching heavy metal-containing materials by using membrane concentrate according to claim 8, is characterized in that: the leachate buffer adopts a liquid collecting funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220878614.XU CN217148645U (en) | 2022-04-16 | 2022-04-16 | Ecological restoration device for leaching heavy metal-containing material by using membrane concentrated solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220878614.XU CN217148645U (en) | 2022-04-16 | 2022-04-16 | Ecological restoration device for leaching heavy metal-containing material by using membrane concentrated solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217148645U true CN217148645U (en) | 2022-08-09 |
Family
ID=82699124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220878614.XU Expired - Fee Related CN217148645U (en) | 2022-04-16 | 2022-04-16 | Ecological restoration device for leaching heavy metal-containing material by using membrane concentrated solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217148645U (en) |
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2022
- 2022-04-16 CN CN202220878614.XU patent/CN217148645U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |