CN206577479U - A kind of more medium filter - Google Patents
A kind of more medium filter Download PDFInfo
- Publication number
- CN206577479U CN206577479U CN201720272989.0U CN201720272989U CN206577479U CN 206577479 U CN206577479 U CN 206577479U CN 201720272989 U CN201720272989 U CN 201720272989U CN 206577479 U CN206577479 U CN 206577479U
- Authority
- CN
- China
- Prior art keywords
- tank body
- filter
- water inlet
- medium
- anthracite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003830 anthracite Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 32
- 239000004576 sand Substances 0.000 claims abstract description 23
- 239000003245 coal Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000006004 Quartz sand Substances 0.000 claims description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000011044 quartzite Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model is related to a kind of more medium filter, includes the leg of tank body and support tank body；The top of the tank body is provided with water inlet and the plup inlet for placing material；The bottom of tank body is provided with delivery port and the discharge opening for taking out material, and the side wall of tank body is provided with service ports；The tank interior is disposed with anthracite coal measure, fine sand layer, supports sandy gravel stratum and filter assemblies from top to bottom；By being arranged on tank interior provided with anthracite coal measure, fine sand layer, support sandy gravel stratum and filter assemblies, filter efficiency is substantially increased, and the backwash efficiency of filtrate can be improved；Simultaneously using the purity quartzite and anthracite of uniform particle sizes, the random layer of medium is prevented, operating cost is reduced, evenly, backwash is more thorough for water distribution, and water outlet quality is higher；The utility model economizes on resources, and makes simple, environmental protection and economy is practical, good economy performance.
Description
Technical field
The utility model belongs to technical field of sewage treatment equipment, and in particular to a kind of more medium filter.
Background technology
Medium filter (mediafilter) is called media filtration system, and it is that one kind is gone in water removal using filter medium
Each middle suspension, microorganism and other subparticles, be finally reached reduction water turbidity, the effect that purifies water one kind efficiently
Filter plant；Conventional filtrate has quartz sand, activated carbon, anthracite, manganese sand etc.；Extensive utilization is to agricultural irrigation, chemical industry, stone
The every profession and trades such as oil, metallurgy；It is mainly used in water process turbidity removal, softened water, prime pretreatment of pure water etc..
Medium filter can use Single Medium, also can need to use medium according to different；The mistake of Single Medium
Filter is also shallow media filter, and its primary filtration media is generally quartz sand, granite and volcanic pisolite etc..Multilayer dielectricity
Filter is also profound medium filter, and its filter medium is made up of more than one filter mediums, general quartz sand, work
Property carbon, anthracite, manganese sand and other contact media, in industrial circulation water treatment system, to remove dirty impurities in water,
Oil etc. is adsorbed, water quality is met the requirement of recycling.
The more medium filter used in water process, common are：Anthracite-quartz sand-magnetic iron ore filter, activity
Charcoal-quartz sand-magnetic iron ore filter, activated carbon-quartz filter, quartz sand-ceramic filter etc.；More medium filter
Design of filtering layer, the factor mainly considered is：1st, different filtrates have larger density contrast, it is ensured that will not be mixed after backwash disturbance
Layer phenomenon；2nd, according to production water purposes selection filtrate；3rd, Particle size requirements lower floor particle diameter of filter medium is less than upper strata particle diameter of filter medium, with guarantee
The validity of metafiltration material and make full use of.
Although existing more medium filter filter layer uses plurality of filter media, due to not fully taking into account sewage disposal
The relation of middle filtering order, causes that filter effect is bad, effluent quality is poor, meanwhile, existing more medium filter structure design
Unreasonable, its poor filtration effect, filtrate service life is short.
For problem above, therefore, it is necessary to make improvements.
Utility model content
The utility model is that there is provided a kind of simple in construction, easy to use, mistake in order to overcome above-mentioned defect of the prior art
Filter precision high, good filtration effect improves the more medium filter of filter efficiency.
In order to reach object above, the technical scheme that the utility model is used is：A kind of more medium filter, including tank
The leg of body and support tank body；The top of the tank body is provided with water inlet and the plup inlet for placing material；The bottom of tank body
Provided with delivery port and for taking out the discharge opening of material, the side wall of tank body is provided with service ports；The tank interior from top to bottom according to
It is secondary to be provided with anthracite coal measure, fine sand layer, support sandy gravel stratum and filter assemblies.
As a kind of preferred scheme of the present utility model, the filter assemblies include screen pack and are laid in screen pack
Some drain caps on plate；The screen pack is laid close to tank body bottom, and a spacing is left between screen pack and discharge opening
From；Some drain caps are equidistantly laid on screen pack.
As a kind of preferred scheme of the present utility model, the screen pack is removably coupled in tank body, some drainings
Cap is removably coupled on screen pack.
As a kind of preferred scheme of the present utility model, different filtrates are placed with the drain cap.
As a kind of preferred scheme of the present utility model, the drain cap includes positioning guide column, filter cap and is arranged on filter
The water inlet pipe of cap lower end；The positioning guide column is fixedly arranged in filter cap, and some rhones, some drainings are formed with the filter cap
Groove is equidistantly laid in filter cap；The filter cap is hollow structure.
As a kind of preferred scheme of the present utility model, the water inlet is connected with the first water inlet pipe, the first water inlet pipe
End is connected with water pond, the first water inlet pipe and is formed with use with being connected between water pond between some support bars, some support bars
In the passage of current.
As a kind of preferred scheme of the present utility model, the particle diameter of particle is more than in the anthracite coal measure and support sandy gravel stratum
The particle diameter of particle in fine sand layer.
As a kind of preferred scheme of the present utility model, a diameter of 3~5mm of filtering material particle in the anthracite coal measure, carefully
A diameter of 0.8~the 1.0mm of filtering material particle in sand bed, supports a diameter of 0.1~0.3mm of filtering material particle in sandy gravel stratum.
As a kind of preferred scheme of the present utility model, it is filled with anthracite, fine sand layer and uses in the anthracite coal measure
Quartz sand, supports sandy gravel stratum to use activated carbon.
As a kind of preferred scheme of the present utility model, the anthracite coal measure uses the anthracite of uniform particle sizes.
The beneficial effects of the utility model are：By being arranged on tank interior provided with anthracite coal measure, fine sand layer, support gravel
Layer and filter assemblies, substantially increase filter efficiency, and can improve the backwash efficiency of filtrate；Use uniform particle sizes simultaneously
Purity quartzite and anthracite, prevent the random layer of medium, reduce operating cost, evenly, backwash is more thorough for water distribution, water outlet product
Matter is higher；The utility model economizes on resources, and makes simple, environmental protection and economy is practical, good economy performance.
Brief description of the drawings
Fig. 1 is example structure sectional view of the present utility model；
Fig. 2 is example structure schematic diagram of the present utility model；
Fig. 3 is embodiment drain cap structural representation of the present utility model；
Reference in figure：Tank body 1, leg 2, water inlet 3, the first water inlet pipe 4, with water pond 5, plup inlet 6, discharge opening 7,
Service ports 8, delivery port 9, anthracite coal measure 10, fine sand layer 11, support sandy gravel stratum 12, filter assemblies 13, screen pack 14,
Drain cap 15, filter cap 15-1, water inlet pipe 15-2, rhone 15-3, positioning guide column 15-4, support bar 16, passage 17.
Embodiment
The utility model embodiment is elaborated below in conjunction with the accompanying drawings.
Embodiment one：As Figure 1-3, a kind of more medium filter, includes the leg 2 of tank body 1 and support tank body 1；Institute
The top for stating tank body 1 is provided with water inlet 3 and the plup inlet 6 for placing material；The bottom of tank body 1 is provided with delivery port 9 and is used for
The discharge opening 7 of material is taken out, the side wall of tank body 1 is provided with service ports 8；It is disposed with from top to bottom inside the tank body 1 smokeless
Coal seam 10, fine sand layer 11, support sandy gravel stratum 12 and filter assemblies 13；Filter assemblies 13 include screen pack 14 and are laid in
Some drain caps 15 on screen pack 14；The screen pack 14 is laid close to the bottom of tank body 1, screen pack 14 and discharge opening
Certain distance is left between 7；Some drain caps 15 are equidistantly laid on screen pack 14；Water removal can effectively be gone using said structure
In suspension, and there is obvious remove to make to pollutants such as the colloid in water, iron, organic matter, agricultural chemicals, manganese, bacterium, viruses
With；It has filtration resistance small, and specific surface area is big, and resistance to acids and bases is strong, resistance to oxidation, and the PH scope of applications are 2-13, and resistance tocrocking is good etc.
Advantage,
The particular advantages of the more medium filter also reside in the design by optimizing filtrate and filter, realize filter
Self-adapting operation, filtrate has very strong adaptivity to influent density, operating condition, pretreatment technique etc., that is, filtering
When filter bed automatically form dredge under close state, be conducive to ensureing effluent quality at various operating conditions, filtrate is abundant during backwash
Scatter, cleaning performance is good；The advantages of rate of filtration is fast, filtering accuracy is high, retaining power is big；The more medium filter device structure
Simply, operation, which can be realized, automatically controls, handle that flow is big, recoil number of times is few, filter efficiency is high, resistance is small, operate maintenance side
Just the features such as.
Screen pack 14 is removably coupled in tank body 1, and some drain caps 15 are removably coupled on screen pack 14, just
In the convenience of dismounting and cleaning, service efficiency is improved;Water inlet 3 is connected with the first water inlet pipe 4, and the lower end of the first water inlet pipe 4 connects
It is connected to water pond 5, the first water inlet pipe 4 and is formed with being connected between water pond 5 between some support bars 16, some support bars 16
Passage 17 for current；With a certain distance is left between water pond 5 and anthracite coal measure 10, it is easy to continuing and effective for filtering
Property；Match somebody with somebody water pond 5 by setting, can effectively keep out impact of the current to each filter assemblies in tank body 1 so that filter process
Steadily, meanwhile, the height of support bar 16 can be adjusted according to actual conditions.
Different filtrates are placed with drain cap 15；The filtrate is activated carbon, for removing color, taste, chlorine residue and organic matter,
Its main effect model is absorption, and activated carbon is a kind of adsorbent being manually made.Because activated carbon has flourishing pore knot
Structure and huge specific surface area, therefore to the dissolved organic matter in water, such as benzene class, phenolic compound etc. has very strong absorption
Ability, and the organic pollution for being very difficult to remove with bioanalysis and chemical method, such as colourity, foreign odor, surfactant, synthesis
Detergent and dyestuff etc. have preferable removal effect；Granular active carbon is removed to the Ag+ in water, Cd2+, CrO42- plasmas
Rate is up to more than 85%；Hanged after active carbon filterbed, in water and be less than 0.1mg/L admittedly, COD clearances are generally 40%~50%, dissociated
Chlorine is less than 0.1mg/L.The refined manganese sand of filling and quartz sand binary filtrate, for removing removing ferro in water, manganese.General former containing ferrimanganic
Used in the pretreatment of water.
It is filled with anthracite coal measure 10 in anthracite, fine sand layer 11 and uses quartz sand, supports sandy gravel stratum 12 to use activated carbon,
Anthracite coal measure 10 uses the particle diameter of particle in the anthracite of uniform particle sizes, anthracite coal measure 10 and support sandy gravel stratum 12 to be more than fine sand layer
The particle diameter of particle in 11, realizes classified filtering, i.e., pending water carries out once mistake by water inlet 3 into anthracite coal measure 10
Filter, removes large granular impurity and big suspension, then by the filtering of fine sand layer 11 and support sandy gravel stratum 12, along with filtering
The filtering of device assembly 13, can efficiently ensure filter effect.
Filter in more medium filter inserts refined anthracite and quartz sand, due to the size using variable grain
Filtrate, so as to form from top to bottom, by small and big followed order；When water flows through filtering layer from above, part in water
Solid suspension matter forms small eyelet into upper strata filtering layer filtrate, by absorption and mechanical detention effect by the table of filtrate
Surface layer is retained.Between these suspended materials for being trapped and overlap and builds bridge etc. and act on simultaneously, just look like in filtering layer
Surface forms thin film, continues to filter the suspended material in dampening, is formed so-called membrane filtration.
Multi-medium filtering does not only have the effect of membrane filtration, and also permeation filtration is acted on.I.e. when water enters middle filtering layer
There is this crown_interception.Further, since being closely aligned between filtrate, the suspended material particle in water flows through that in filtering layer
A bit during winding duct, just there are more chances and time mutually to collide and contact with filter material surface, then in water
Suspended material mutually sticks in the particle surface of filtrate with floccule body, so as to come in contact coagulation process.
Little particle impurity enters the filter sand of deeper during in order to prevent from just coming into operation after backwash, so that filtering layer is penetrated, this
Utility model appropriately increases filter height, while reaching perfect work using the purity quartzite and anthracite of uniform particle sizes
Skill effect.
Filtering material particle a diameter of 0.8 in a diameter of 3~5mm of filtering material particle in anthracite coal measure 10, fine sand layer 11~
1.0mm, supports a diameter of 0.1~0.3mm of filtering material particle in sandy gravel stratum 12.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model；Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Although more having used reference in figure herein：Tank body 1, leg 2, water inlet 3, the first water inlet pipe 4, water distribution
Disk 5, plup inlet 6, discharge opening 7, service ports 8, delivery port 9, anthracite coal measure 10, fine sand layer 11 supports sandy gravel stratum 12, filter
Component 13, screen pack 14, drain cap 15, filter cap 15-1, water inlet pipe 15-2, rhone 15-3, positioning guide column 15-
4, support bar 16, the grade term of passage 17, but it is not precluded from the possibility using other terms.The use of these terms is only to be
More easily describe and explain essence of the present utility model；Being construed as any additional limitation is all and this reality
Disagreed with new spirit.
Claims (10)
1. a kind of more medium filter, including tank body（1）With support tank body（1）Leg（2）；The tank body（1）Top set
There is water inlet（3）With the plup inlet for placing material（6）；Tank body（1）Bottom be provided with delivery port（9）With for taking out material
Discharge opening（7）, tank body（1）Side wall be provided with service ports（8）；It is characterized in that：The tank body（1）It is internal from top to bottom successively
It is provided with anthracite coal measure（10）, fine sand layer（11）, support sandy gravel stratum（12）And filter assemblies（13）.
2. a kind of more medium filter according to claim 1, it is characterised in that：The filter assemblies（13）Including mistake
Sieve plate（14）Be laid in screen pack（14）On some drain caps（15）；The screen pack（14）Close to tank body（1）
Bottom is laid, screen pack（14）With discharge opening（7）Between leave certain distance；Some drain caps（15）Equidistantly it is laid in filtering
Web plate（14）On.
3. a kind of more medium filter according to claim 2, it is characterised in that：The screen pack（14）Removable company
It is connected to tank body（1）It is interior, some drain caps（15）It is removably coupled to screen pack（14）On.
4. a kind of more medium filter according to claim 3, it is characterised in that：The drain cap（15）On be placed with not
Same filtrate.
5. a kind of more medium filter according to claim 4, it is characterised in that：The drain cap（15）Led including positioning
Xiang Zhu（15-4）, filter cap（15-1）Be arranged on filter cap（15-1）The water inlet pipe of lower end（15-2）；The positioning guide column（15-
4）It is fixedly arranged on filter cap（15-1）On, the filter cap（15-1）On be formed with some rhones（15-3）, some rhones（15-3）
Equidistantly it is laid in filter cap（15-1）On；The filter cap（15-1）For hollow structure.
6. a kind of more medium filter according to claim 1, it is characterised in that：The water inlet（3）It is connected with first
Water inlet pipe（4）, the first water inlet pipe（4）Lower end is connected with water pond（5）, the first water inlet pipe（4）With with water pond（5）Between be connected with
Some support bars（16）, some support bars（16）Between be formed with passage for current（17）.
7. a kind of more medium filter according to claim 1, it is characterised in that：The anthracite coal measure（10）With support sand
Gravel bed（12）The particle diameter of middle particle is more than fine sand layer（11）The particle diameter of middle particle.
8. a kind of more medium filter according to claim 7, it is characterised in that：The anthracite coal measure（10）In filtrate
Particle diameter is 3~5mm, fine sand layer（11）In a diameter of 0.8~1.0mm of filtering material particle, support sandy gravel stratum（12）In filter
Material particle diameter is 0.1~0.3mm.
9. a kind of more medium filter according to claim 8, it is characterised in that：The anthracite coal measure（10）Inside it is filled with
Anthracite, fine sand layer（11）Middle use quartz sand, supports sandy gravel stratum（12）Using activated carbon.
10. a kind of more medium filter according to claim 9, it is characterised in that：The anthracite coal measure（10）Using grain
The uniform anthracite in footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272989.0U CN206577479U (en) | 2017-03-20 | 2017-03-20 | A kind of more medium filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720272989.0U CN206577479U (en) | 2017-03-20 | 2017-03-20 | A kind of more medium filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206577479U true CN206577479U (en) | 2017-10-24 |
Family
ID=60113789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720272989.0U Expired - Fee Related CN206577479U (en) | 2017-03-20 | 2017-03-20 | A kind of more medium filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206577479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343161A (en) * | 2020-10-26 | 2021-02-09 | 辽宁工程技术大学 | Multilayer water storage device for ecological restoration of mine |
-
2017
- 2017-03-20 CN CN201720272989.0U patent/CN206577479U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343161A (en) * | 2020-10-26 | 2021-02-09 | 辽宁工程技术大学 | Multilayer water storage device for ecological restoration of mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Weihuan Inventor before: Yang Weihuan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 311504 383 the Fuchun River Town Road, Tonglu, Hangzhou, Zhejiang Patentee after: Zhejiang run Cheng Environmental Protection Technology Co.,Ltd. Address before: 311504 206, two floor, 66 Li seven long street, the Fuchun River Town, Tonglu, Hangzhou, Zhejiang. Patentee before: ZHEJIANG WEIHUAN TECHNOLOGY CO.,LTD. |
|
| 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: 20171024 |