CN209024235U - A kind of small-scale batch-type heavy metal accumulation recovery system - Google Patents
A kind of small-scale batch-type heavy metal accumulation recovery system Download PDFInfo
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- CN209024235U CN209024235U CN201821224810.5U CN201821224810U CN209024235U CN 209024235 U CN209024235 U CN 209024235U CN 201821224810 U CN201821224810 U CN 201821224810U CN 209024235 U CN209024235 U CN 209024235U
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- heavy metal
- waste liquid
- tank
- reactor tank
- atomization nozzle
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 90
- 238000009825 accumulation Methods 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000002253 acid Substances 0.000 claims abstract description 49
- 238000005119 centrifugation Methods 0.000 claims abstract description 21
- 238000001179 sorption measurement Methods 0.000 claims abstract description 19
- 238000000889 atomisation Methods 0.000 claims abstract description 18
- 238000009688 liquid atomisation Methods 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000000605 extraction Methods 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 239000003595 mist Substances 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 238000003795 desorption Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 5
- 238000002386 leaching Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
This application involves a kind of small-scale batch-type heavy metal accumulation recovery systems, the system includes heavy metal accumulation recyclable device, acid tank, waste liquid tank, gas compression release groove, it is enriched with slot, the heavy metal accumulation recyclable device includes reactor tank, centrifugation motor is externally provided at the top of reactor tank, shaft is equipped in reactor tank, it is provided in reactor tank and is connected with the rotating shaft heavy metal adsorption filler, the upper end of shaft is connect with the power output end of centrifugation motor, acid liquor atomization nozzle is respectively arranged with above heavy metal adsorption filler in reactor tank, Waste liquid atomization nozzle, acid tank bottom is connected to connection with acid liquor atomization nozzle by being serially connected with the pipeline of acid pump, waste liquid trench bottom is connected to connection with Waste liquid atomization nozzle by being serially connected with the pipeline of waste drains pump, gas compression release groove is respectively communicated with gas supply in acid liquor atomization nozzle, Waste liquid atomization nozzle, react pot bottom Equipped with discharge pipe, discharge pipe is connect at the top of enrichment groove top portion, waste liquid tank respectively through three-way cut-off valve and pipeline.
Description
Technical field
The utility model relates to a heavy metal species and hazardous waste processing system and technique, especially a kind of small-scale sequence batch
Formula heavy metal accumulation recovery system and recovery process.
Background technique
With economic and science and technology continuous development, for the usage amount of heavy metal in present production process
It is increasing, when heavy metal enters in the food chain of the mankind, serious harm can be caused to the health of people.
Heavy metal wastewater thereby is to endanger one of maximum industrial wastewater to the mankind, difficult due to it contains the heavy metal of higher concentration
To handle qualified discharge, even the lower waste water containing heavy metal concentration can not be discharged arbitrarily.Meanwhile if heavy metal is contained
High waste water is measured directly to be handled, the heavy metal in waste water can be transferred in sludge, which again increases generate dangerous waste probability,
There are biggish recessive risks.Therefore it is the processing difficulty for reducing heavy metal wastewater thereby, guarantees the qualification of outlet heavy metal wastewater thereby, it is right
The recycling of heavy metal in waste water be it is essential, heavy metal after the recovery forms new enriched product, and is used
Or harmlessness disposing.
Sewage treatment is different from other industries, this is only an investment, the industry of not output, therefore during processing,
We must obtain maximum interests with the smallest investment, and existing heavy metal stabilization processing technique has very much, but all deposits
In certain limitation.The difference of such as existing its resin of common resin adsorption technical basis shows single suction to heavy metal
Phenomenon, while resin is easily broken in absorption-desorption process, improves operating cost, the popularization for limiting the technology makes
With.
Therefore, exploitation is suitble to the treatment process and equipment of a variety of low concentration heavy metal water enriching and recoverings, for heavy metal
Wastewater treatment is particularly critical.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of small-scale batch-type to solve the shortcoming in background technique
Heavy metal accumulation recovery system.
In order to achieve the above objectives, the utility model adopts the following technical solution: a kind of small-scale batch-type heavy metal accumulation
Recovery system, including heavy metal accumulation recyclable device, acid tank, waste liquid tank, gas compression release groove, enrichment slot, the heavy metal
Enriching and recovering device includes reactor tank, Waste liquid atomization nozzle, acid liquor atomization nozzle, heavy metal adsorption filler, centrifugation motor, reaction
It is externally provided with centrifugation motor at the top of tank, shaft is equipped in reactor tank, shaft side, which is provided with, in reactor tank is connected with the rotating shaft weight
Metal adsorption filler, the upper end of shaft stretch out the outer power output end with centrifugation motor of reactor tank and are sequentially connected, weight in reactor tank
Metal adsorption filler upper center two sides are respectively arranged with acid liquor atomization nozzle, Waste liquid atomization nozzle, are set to outside reactor tank
Acid tank bottom conduit is connected to connection with acid liquor atomization nozzle by being serially connected with the pipeline of acid pump, the waste liquid tank being set to outside reactor tank
Bottom conduit is connected to connection with Waste liquid atomization nozzle by being serially connected with the pipeline of waste drains pump, and the gas compression release groove passes through gas
Pipe is respectively communicated with gas supply in acid liquor atomization nozzle, Waste liquid atomization nozzle, reacts pot bottom and is equipped with discharge pipe, discharge pipe is through three
Logical shut-off valve and pipeline are connected to connection at the top of enrichment groove top portion, waste liquid tank respectively.
A kind of optimization for the utility model is serially connected with heavy metal on-line computing model on discharge pipe.
A kind of optimization for the utility model, waste liquid tank bottom conduit end are connected with extraction raffinate pump, the drawing liquid of extraction raffinate pump
Mouth is connected to waste liquid tank bottom conduit, and liquid outlet is then connected with sewage treatment discharge pipe, and waste liquid tank inner top is provided with thunder
Up to liquidometer.
A kind of optimization for the utility model, three-way cut-off valve include A mouthfuls, B mouthfuls, C mouthfuls, discharge pipe end with A mouthfuls
Connection connection, enrichment groove top portion are connected to connection with B mouthfuls by pipeline, and waste liquid tank top is connected to connection with C mouthfuls by pipeline.
A kind of optimization for the utility model is provided with remote level indicator in reactor tank.
A kind of small-scale batch-type heavy metal accumulation recovery process, includes the following steps:
1) absorption of heavy metal: starting centrifugation motor, waste liquid are kept in waste liquid tank, are delivered to Waste liquid atomization by waste drains pump
Nozzle, and spray into its atomization in reactor tank using the compressed air that gas compression release groove discharges and connect with heavy metal adsorption filler
Touching and heavy metal is trapped, adjust three-way cut-off valve, make A mouthful with C mouthful conducting, react pot bottom be discharged waste liquid end through threeway
Valve is transmitted back in waste liquid tank, real-time monitoring is carried out to waste liquid by heavy metal on-line computing model in the process, when continuously three times
When content of beary metal difference≤0.1-1000mg/L of detection, three-way cut-off valve is adjusted, makes A mouthfuls and C mouthfuls of stoppings, and close
It is centrifuged motor；
2) the desorption recycling of heavy metal: after the above process, the acid tank for storing acid solution is delivered to acid solution mist by acid pump
Change nozzle, and spray into acid liquor atomization in reactor tank using the compressed air that gas compression release groove discharges, and is inhaled with heavy metal
Heavy metal acid-leaching reaction on attached filler, then starting centrifugation motor is adjusted by the heavy metal desorption of centrifugal force Ore Leaching, collection
Three-way cut-off valve is saved, A mouthfuls, B mouthfuls of conductings are made, the acid solution of enriching heavy metal is sent to enrichment slot, which is being reacted by setting
Remote level indicator in tank is controlled, and when the liquid level of reactor tank is lower than setting liquid level, which terminates, and then proceedes to spray
Enter acid solution, desorption collection, circular treatment is until the content of beary metal value of heavy metal on-line computing model real-time monitoring is lower than setting value
When, which terminates, and repeats step 1), continues to spray into waste liquid into reactor tank, circulation collection recycling, the weight into waste liquid
Tenor is lower than setting value；
3) after the completion of the initial content of beary metal of step 1) heavy metals in process on-line computing model real-time monitoring and absorption
When content of beary metal difference≤0.1-1000mg/L, illustrate that enriching and recovering finishes heavy metal in waste liquid, starting extraction raffinate pump will give up
Extraction raffinate that treated in liquid bath is delivered to Sewage Disposal processing through sewage treatment discharge pipe, and the process is by being arranged in waste liquid tank
In radar level gauge control, when the liquid level of waste liquid in waste liquid tank lower than setting liquid level when, conveying terminates.
The utility model compared with the background art, has low manufacture cost, and the heavy metal adsorption filler is pacified by helical form
Dress on center shaft, to extend the time of contact of waste liquid and adsorbent material, improves adsorption efficiency；Motor-driven rotatable shaft is centrifuged to turn
It is dynamic, to drive helical form heavy metal that filler is desorbed, to reinforce desorption effect in the desorption process of heavy metal, shorten de-
The attached time；By the start and stop of control waste drains pump and acid pump and time, control centrifugation motor start and stop and time, pass through electric contact liquid level
Meter is connected to the whole cut-off of heavy metal on-line computing model control three-way cut-off valve, A mouthfuls-C mouthfuls or A mouthfuls of-B mouthfuls of connections, to control
The cycle-index of the desorption recycling of the absorption and heavy metal of heavy metal and time；Opening for extraction raffinate pump is controlled by radar level gauge
Stop, so that treated in waste liquid tank extraction raffinate is delivered to Sewage Disposal processing through sewage treatment discharge pipe, works as waste liquid tank
When the liquid level of middle waste liquid is lower than setting liquid level, extraction raffinate pump is closed.
Detailed description of the invention
Fig. 1 is the total system schematic diagram of small-scale batch-type heavy metal accumulation recovery system.
Fig. 2 is the structural schematic diagram of heavy metal accumulation recyclable device.
Specific embodiment
Embodiment 1: referring to Fig.1 with 2.A kind of small-scale batch-type heavy metal accumulation recovery system, including heavy metal accumulation
Recyclable device, acid tank 3, waste liquid tank 2, gas compression release groove 13, enrichment slot 4, the heavy metal accumulation recyclable device include anti-
Tank 1, Waste liquid atomization nozzle 12, acid liquor atomization nozzle 8, heavy metal adsorption filler 7, centrifugation motor 5 are answered, outside the top of reactor tank 1
Equipped with centrifugation motor 5, it is equipped with shaft 15 in reactor tank 1,15 side of shaft is provided with the huge sum of money connecting with shaft 15 in reactor tank 1
Belong to adsorption stuffing 7, the upper end of shaft 15 stretches out the outer power output end with centrifugation motor 5 of reactor tank 1 and is sequentially connected, reactor tank 1
Interior 7 upper center two sides of heavy metal adsorption filler are respectively arranged with acid liquor atomization nozzle 8, Waste liquid atomization nozzle 12, acid liquor atomization
It is connected between nozzle 8, Waste liquid atomization nozzle 12 and reactor tank using collet；3 bottom conduit of acid tank being set to outside reactor tank 1 is logical
It crosses and is serially connected with the pipeline of acid pump 9 and is connected to connection with acid liquor atomization nozzle 8, be set to 2 bottom conduit of waste liquid tank outside reactor tank 1 and lead to
It crosses and is serially connected with the pipeline of waste drains pump 10 and is connected to connection with Waste liquid atomization nozzle 12, the gas compression release groove 13 passes through tracheorrhaphy
It Lian Tong not supply in acid liquor atomization nozzle 8, Waste liquid atomization nozzle 12,1 bottom of reactor tank is equipped with discharge pipe 16, discharge pipe 16
Connection is connected to at the top of 4 top of enrichment slot, waste liquid tank 2 respectively through three-way cut-off valve 6 and pipeline.
Waste liquid and acid solution water inlet pipe connection arrangement with reactor tank top, the gas outlet tube of the gas compression release groove 13 with
Pipeline between waste liquid and acid solution water inlet pipe and corresponding nozzle is connected using threeway.It is online that heavy metal is serially connected on discharge pipe 16
Monitor 14.2 bottom conduit end of waste liquid tank is connected with extraction raffinate pump 11, the liquid pumping hole and 2 bottom conduit of waste liquid tank of extraction raffinate pump 11
Connection connection, liquid outlet are then connected with sewage treatment discharge pipe 18, and 2 inner top of waste liquid tank is provided with radar level gauge 17.
Three-way cut-off valve 6 includes A mouthfuls, B mouthfuls, C mouthfuls, and 16 end of discharge pipe is connected to connection with A mouthfuls, is enriched at the top of slot 4 and leads to
It crosses pipeline and is connected to connection with B mouthfuls, pass through pipeline at the top of waste liquid tank 2 and be connected to connection with C mouthfuls.
Bottom is provided with remote level indicator 19 in reactor tank 1.Heavy metal adsorption filler 7 through 71 spiral of mounting rack installation with
In shaft 15, the mounting rack 71 is metal material, and is subject to necessary anti-corrosion measure.
Embodiment 2: referring to Fig.1 with 2.A kind of small-scale batch-type heavy metal accumulation recovery process, includes the following steps:
1) absorption of heavy metal: starting centrifugation motor 5, waste liquid are kept in waste liquid tank 2, are delivered to waste liquid by waste drains pump 10
Atomizer 12, and it is atomized in penetrating reactor tank 1 and heavy metal using the compressed air that gas compression release groove 13 discharges
Adsorption stuffing 7 contacts and heavy metal is trapped, and adjusts three-way cut-off valve 6, makes A mouthfuls and C mouthfuls of conductings, the discharge of 1 bottom of reactor tank
Waste liquid is transmitted back in waste liquid tank 2 through three-way cut-off valve 6, is carried out in the process by heavy metal on-line computing model 14 to waste liquid real
When monitor, as the content of beary metal difference≤0.1-1000mg/L continuously detected three times, adjust three-way cut-off valve 6, make A mouthful and
C mouthfuls of stoppings, and close centrifugation motor 5；
2) the desorption recycling of heavy metal: after the above process, the acid tank 3 for storing acid solution is delivered to acid solution by acid pump 9
Atomizer 8, and using gas compression release groove 13 discharge compressed air make acid liquor atomization spray into reactor tank 1 in, and with again
Heavy metal acid-leaching reaction on metal adsorption filler 7, then starting centrifugation motor 5 is de- by the heavy metal of centrifugal force Ore Leaching
Attached, collection, adjusts three-way cut-off valve 6, makes A mouthfuls, B mouthfuls of conductings, the acid solution of enriching heavy metal is sent to enrichment slot 4, the process is logical
The remote level indicator 19 being arranged in reactor tank 1 is crossed to be controlled, when the liquid level of reactor tank 1 is lower than setting liquid level, the mistake
Journey terminates, and then proceedes to spray into acid solution, desorption collection, a huge sum of money of the circular treatment up to 14 real-time monitoring of heavy metal on-line computing model
When belonging to content value lower than setting value, which terminates, and repeats step 1), continues to spray into waste liquid into reactor tank 1, recycles
Enriching and recovering, to heavy metal in waste liquid content be lower than setting value；
3) when the initial content of beary metal of 14 real-time monitoring of step 1) heavy metals in process on-line computing model and absorption are completed
Afterwards when content of beary metal difference≤0.1-1000mg/L, illustrate that enriching and recovering finishes heavy metal in waste liquid, starting extraction raffinate pump 11
Treated in waste liquid tank 2 extraction raffinate is delivered to Sewage Disposal processing through sewage treatment discharge pipe 18, the process is by being arranged
Radar level gauge 17 in waste liquid tank 2 controls, and when the liquid level of waste liquid in waste liquid tank 2 is lower than setting liquid level, conveying terminates.
The small-scale batch-type heavy metal accumulation recovery system further includes DCS control system, heavy metal on-line computing model
14, remote level indicator 19, radar level gauge 17 send real time detection signal with DCS control system, and above-mentioned by analyzing
Detection signal controls centrifugation motor 5, waste drains pump 10, acid pump 9, three-way cut-off valve 6 or extraction raffinate respectively and pumps 11 start and stop, and heavy metal is online
Monitor 14, remote level indicator 19, radar level gauge 17 are well-known technique, and the application is not described further；It is centrifuged motor 5, waste liquid
Pump 10, acid pump 9, three-way cut-off valve 6 or extraction raffinate pump 11 are conventional selection in hydraulic system applications field, and the application does not also make in detail
It states.
The DCS control system includes control following procedure:
(1) system boot detects；
(2) starting centrifugation motor 5, time 25s-30s, switching three-way shut-off valve 6 make A mouthfuls of-C mouthfuls of conductings, and waste drains pump 10 opens
Dynamic, when 1. the content of beary metal of 14 real-time monitoring of heavy metal on-line computing model reaches condition, starting centrifugation motor 5 starts to be centrifuged,
When liquid level is lower than setting value, switching three-way shut-off valve 6 makes A mouthfuls of-B mouthfuls of conductings, and the acid solution of enriching heavy metal is sent to enrichment slot
4；
(3) starting acid pump 9 stops after a period of time, and starting centrifugation motor 5 starts to be centrifuged, when liquid level is 0, continues to open
Dynamic acid pump 9, when the content of beary metal of repetitive operation to 14 real-time monitoring of heavy metal on-line computing model reaches condition 2., switching three-way is cut
Only valve 6 makes A mouthfuls of-C mouthfuls of conductings, starts waste drains pump 10, repetitive operation；
Condition is 1.: the content of beary metal difference≤1mg/L continuously monitored three times；
Condition is 2.: content of beary metal difference≤1mg/L after the completion of initial on-line monitoring content of beary metal and absorption.
It is to be understood that: although the present embodiment contrasts detailed description to the utility model, these are said
It is bright, only to the simple declaration of the utility model, rather than limitations of the present invention, it is any without departing from the utility model reality
Innovation and creation in matter spirit, each fall within the protection scope of the utility model.
Claims (6)
1. a kind of small-scale batch-type heavy metal accumulation recovery system, it is characterised in that including heavy metal accumulation recyclable device, acid
Slot (3), waste liquid tank (2), gas compression release groove (13), enrichment slot (4), the heavy metal accumulation recyclable device includes reactor tank
(1), Waste liquid atomization nozzle (12), acid liquor atomization nozzle (8), heavy metal adsorption filler (7), centrifugation motor (5), reactor tank (1)
Top be externally provided with centrifugation motor (5), be equipped with shaft (15) in reactor tank (1), reactor tank (1) interior shaft (15) side is provided with
The heavy metal adsorption filler (7) being connect with shaft (15), the upper end of shaft (15) stretch out reactor tank (1) outside with centrifugation motor (5)
Power output end transmission connection, interior heavy metal adsorption filler (7) the upper center two sides of reactor tank (1) are respectively arranged with acid solution mist
Change nozzle (8), Waste liquid atomization nozzle (12), is set to acid tank (3) bottom conduit of reactor tank (1) outside by being serially connected with sour pump
(9) pipeline is connected to connection with acid liquor atomization nozzle (8), is set to waste liquid tank (2) bottom conduit of reactor tank (1) outside and passes through string
It is connected to the pipeline of waste drains pump (10) and Waste liquid atomization nozzle (12) is connected to connection, the gas compression release groove (13) passes through tracheae
Gas supply is respectively communicated in acid liquor atomization nozzle (8), Waste liquid atomization nozzle (12), reactor tank (1) bottom is equipped with discharge pipe (16),
Discharge pipe (16) is connected to connection at the top of enrichment slot (4), at the top of waste liquid tank (2) respectively through three-way cut-off valve (6) and pipeline.
2. small-scale batch-type heavy metal accumulation recovery system according to claim 1, it is characterized in that: discharge pipe (16)
On be serially connected with heavy metal on-line computing model (14).
3. small-scale batch-type heavy metal accumulation recovery system according to claim 1, it is characterized in that: waste liquid tank (2) bottom
Portion's line end is connected with extraction raffinate pump (11), and the liquid pumping hole of extraction raffinate pump (11) is connected to connection with waste liquid tank (2) bottom conduit, goes out
Liquid mouth is then connected with sewage treatment discharge pipe (18), and waste liquid tank (2) inner top is provided with radar level gauge (17).
4. small-scale batch-type heavy metal accumulation recovery system according to claim 1, it is characterized in that: three-way cut-off valve
It (6) include A mouthfuls, B mouthfuls, C mouthfuls, discharge pipe (16) end is connected to connection with A mouthfuls, passes through pipeline and B mouthfuls of companies at the top of enrichment slot (4)
Lead to and connect, connection is connected to C mouthfuls by pipeline at the top of waste liquid tank (2).
5. small-scale batch-type heavy metal accumulation recovery system according to claim 1, it is characterized in that: in reactor tank (1)
Bottom is provided with remote level indicator (19).
6. small-scale batch-type heavy metal accumulation recovery system according to claim 1, it is characterized in that: heavy metal adsorption is filled out
Expect (7) through on the installation of mounting rack (71) spiral and shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224810.5U CN209024235U (en) | 2018-07-31 | 2018-07-31 | A kind of small-scale batch-type heavy metal accumulation recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224810.5U CN209024235U (en) | 2018-07-31 | 2018-07-31 | A kind of small-scale batch-type heavy metal accumulation recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209024235U true CN209024235U (en) | 2019-06-25 |
Family
ID=66871832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821224810.5U Expired - Fee Related CN209024235U (en) | 2018-07-31 | 2018-07-31 | A kind of small-scale batch-type heavy metal accumulation recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209024235U (en) |
-
2018
- 2018-07-31 CN CN201821224810.5U patent/CN209024235U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190625 |