CN208327658U - A kind of same quality of groundwater purification device removed of turbid dirt - Google Patents
A kind of same quality of groundwater purification device removed of turbid dirt Download PDFInfo
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- CN208327658U CN208327658U CN201820515969.6U CN201820515969U CN208327658U CN 208327658 U CN208327658 U CN 208327658U CN 201820515969 U CN201820515969 U CN 201820515969U CN 208327658 U CN208327658 U CN 208327658U
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Abstract
The utility model discloses a kind of turbid dirts with the quality of groundwater purification device removed, which is characterized in that including outer cylinder, inner cylinder, mixed cell, flocculation unit, filter element, aeration unit and water collecting unit；Outer cylinder is closed cylinder, and inner cylinder is vacantly arranged in outer cylinder by the interface at the top of outer cylinder, and inner cylinder is top closed, and filtered water stream is circulated by inner cylinder bottom and outer barrel；It is provided with the first automatic exhaust steam valve at the top of inner cylinder, is provided with the second automatic exhaust steam valve at the top of outer cylinder.The structure design of the utility model does not need biggish difference in height and turbidity removal and scale removal can be realized, and avoids the problem of elevation arrangement difficulty.The device of the utility model can both realize the multiple functions such as mixing, flocculation, filtering, aeration and recoil, also solve the problems, such as traditional turbidity removal takes up a large area with scale removal facility, elevation arrangement is difficult, pipeline connect it is cumbersome.
Description
Technical field
The utility model belongs to underground water water-supply technology field, and in particular to a kind of to collect tiny flocculation, filtering and be aerated in one
The quality of groundwater cleaning equipment of body.
Background technique
Underground water is the important and good drinking water source of China resident, still, in some areas especially remote villages
The problems such as drinking water standard is not achieved in area, underground water turbidity, and there are hardness and higher temporary hardnesses (scale).For low
Turbidity raw water, water supply field worker have developed direct filtration technology, i.e. raw water is directly entered filter without precipitating.Directly
Taking over filter, there are two types of modes: contact filtration and micro flocculating filter.It is directly entered filter after raw water dosing, is not set before filter any
Flocculation apparatus is known as contact filtration；By tiny flocculation after raw water dosing mixing, enter filter after forming micro- wadding grain similar in partial size
Pond filtering is known as micro flocculating filter.Direct filtration technology is simple, and dosage of PAC is few, suitable treatment low turbidity raw water.For place
Reason high hardness water, the technology for removing scale removal, have acid-base balance aeration, i.e., add a small amount of acid into water, scale will be generated in water
Bicarbonate radical be converted into carbon dioxide, pass through aeration stripping carbon dioxide restore pH.This technique can not only effectively remove scale,
Also ensure that the calcium and magnesium ion in water is not lost, and water producing cost is low.
At present for low turbidity and high rigidity (scale) raw water, there is presently no integration apparatus to solve very well；And
And existing filter plant is provided with individual water distribution pipe duct in filter material layer bottom in backwash, and applies pressure in outside
Just it is able to achieve backwash process；Secondly, existing turbidity removal structural facilities+scale removal structural facilities presence takes up a large area, elevation cloth
Set the disadvantages of difficult, pipeline connection is cumbersome.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of turbid dirts with the quality of groundwater removed
Purification device, which integrates mixing, flocculation, filtering, aeration and backwash multiple functions, and passes through clever structure cloth
It sets, so that backwash process does not need external equipment and can be realized, solves that existing functions of the equipments are single and backwash process is numerous
Trivial problem.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution is achieved:
A kind of quality purifying device for water of turbidity removal scale removal one, including outer cylinder, inner cylinder, mixed cell, flocculation unit, filtering list
Member, aeration unit and water collecting unit；
The outer cylinder is closed cylinder, and the interface for inner cylinder insertion is provided at the top of the outer cylinder, and the inner cylinder passes through
Interface is vacantly arranged in outer cylinder, and the inner cylinder is top closed, and filtered water stream is circulated by inner cylinder bottom and outer barrel；Institute
It states and is provided with the first automatic exhaust steam valve at the top of inner cylinder, be provided with the second automatic exhaust steam valve at the top of outer cylinder；
The mixed cell is arranged on outer tube side wall, and described mixed cell one end is connect with water inlet pipe, the other end and wadding
The flocculation pipeline connection of solidifying unit；Chemical feed pipe is provided on the water inlet pipe, the flocculation pipeline is wrapped on outer tube inner wall, and
It extends at the top of inner cylinder；
The filter element is arranged in inner cylinder bottom；The aeration unit is located at outer cylinder bottom, and aeration unit is higher than interior
The most bottom surface of cylinder；
The water collecting unit is arranged on outer cylinder top, and the water collecting unit includes catch basin, and the catch basin is along outer cylinder
The annular groove that inner wall is circumferentially arranged is connected with outlet pipe and backwash water inlet pipe on the catch basin；
Backwash rhone is provided at the top of the inner cylinder, the backwash rhone is arranged above filter element, institute
It states flocculation pipe end to extend in backwash rhone, the backwash rhone is circumscribed with backwash drainpipe.
Further, the mixed cell includes tube mixer, and the tube mixer is arranged on water inlet pipe.
Further, the filter element includes homogeneous filtering material layer, supporting layer, filter plate and short-handled filter head, the homogeneous filter
The bed of material, supporting layer, filter plate are from top to bottom successively set in inner cylinder, and aperture is provided on the filter plate, and the short-handled filter head is set
It sets in aperture.
Further, the homogeneous filtering material layer with a thickness of 60~120cm, filtrate uses sand filtering material, effective grain of filtrate
Diameter is 0.9~1.50mm；The supporting layer uses natural pebble, and the effective grain size of natural pebble is 2~4mm, supporting layer thickness
For 80~100mm.
Further, the short-handled filter head is uniformly mounted on filter plate, and the installation number of the short-handled filter head is every square meter
30~50.
Further, the backwash rhone is the elongate slots being arranged radially along inner cylinder, the backwash rhone
Bottom gradually taper up as taper.
Further, the aeration unit includes tube aerator, snorkel and vent branch, and the snorkel is ring
Shape, the snorkel are fixed on outer cylinder bottom by pipe collar, and the tube aerator is connected on snorkel by vent branch
Side, the tube aerator are circumferentially uniformly distributed along snorkel.
Further, the tube aerator is located at the upward 4~6cm in inner cylinder most bottom surface.
Further, the bottom of the outer cylinder is provided with the drainpipe for water in cylinder to be discharged.
Compared with prior art, the utility model has the beneficial effects that
(1) utility model device is made of inner barrel and outer barrel with a closed top, by being aerated in outer cylinder bottom come stripping
CO2Gas carries out scale removal, and the turbidity of water is reduced by inner cylinder filtering；By the way that automatic exhaust is arranged at the top of outer cylinder and inner cylinder
Valve, firstly, excluding the CO of aerating gas and institute's stripping by outer cylinder top vent valve in filtering2Gas, in backwash,
It is only vented the principle not drained using outer cylinder top vent valve, is built the pressure in outer cylinder, the backwashing water in outer cylinder is uniform
The backwash for pressing to inner cylinder, realizing to filtrate, do not need that water-distributing device in addition is arranged, solve traditional turbidity removal equipment pipe
Connect cumbersome problem；In addition, as the excessive gas in the progress inner cylinder of filtering is discharged, the depth of water is not above filtering layer in inner cylinder
Disconnected to increase, when the water surface reaches at the top of inner cylinder, the automatic exhaust valve at top is closed, since inner cylinder is top closed, at this time by into
The pressure of water pushes filter process, so that filter cycle extends；Simultaneously the total height of equipment is reduced, because of traditional filtering
It is open architecture at the top of device, biggish filtering layer headwater depth is needed to be filtered, the structure design of the utility model does not need
Filtering can be realized in biggish filtering layer headwater depth, avoids the problem of elevation arrangement difficulty.
(2) by winding flocculation pipeline in outer tube inner wall and extending to inner cylinder, raw water mixes the utility model with coagulant
Enter flocculation pipeline afterwards, progress tiny flocculation enters filtering layer after forming micro- wadding grain similar in partial size, and flocculation occurs in filtering layer, sinks
Product, meanwhile, it is flocculated that filtering material particle object plays the role of reinforcing aquatic particle, and makes full use of the adsorption energy of filter material surface
Power reaches water purification purpose, improves filter efficiency.
(3) device of the utility model can both realize the multiple functions such as mixing, flocculation, filtering, aeration and recoil, also solve
Traditional turbidity removal takes up a large area with scale removal facility, elevation arrangement is difficult, pipeline connects cumbersome problem.
Other feature and advantage of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Working condition chart when Fig. 1 is the utility model gravity filtration, wherein solid arrow indicates water (flow) direction, dotted arrow table
Show airflow direction.
Fig. 2 is the working condition chart that the utility model relies on water pressure filtering.
Fig. 3 is working condition chart when the utility model backwashes.
Fig. 4 is the top view of total system.
Fig. 5 is the top view of aeration unit.
Fig. 6 is the scheme of installation of tube aerator.
Each label indicates in figure are as follows: 1- outer cylinder, 2- inner cylinder, the first automatic exhaust steam valve of 8-, the second automatic exhaust steam valve of 9-, 10-
Water inlet pipe, 11- chemical feed pipe, 12- outlet pipe, 13- backwash water inlet pipe, and 14- backwashes rhone, and 15- backwashes drainpipe,
16- drainpipe, 17- support；
(3-1)-tube mixer；(4-1)-flocculation pipeline；
(5-1)-homogeneous filtering material layer, (5-2)-supporting layer, (5-3)-filter plate, (5-4)-short-handled filter head；
(6-1)-tube aerator, (6-2)-snorkel, (6-3)-vent branch, (6-4)-pipe collar；
(7-1)-catch basin.
Explanation is further explained in detail below in conjunction with particular content of the drawings and specific embodiments to the utility model.
Specific embodiment
Be given below specific embodiment of the present utility model, it should be noted that the utility model be not limited to it is following
Specific embodiment, all equivalent transformations made on the basis of the technical solutions of the present application each fall within the protection scope of the utility model.
In utility model, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is typically referred to phase
It answers and defines on the basis of the drawing of attached drawing, " inside and outside " refers to the inner and outer of corresponding component profile.
As shown in Figure 1 to Figure 3, the utility model discloses a kind of turbid dirts with the quality of groundwater purification device removed, including
Outer cylinder 1, inner cylinder 2, mixed cell, flocculation unit, filter element, aeration unit and water collecting unit；Outer cylinder 1 is closed cylinder, outside
1 top of cylinder is provided with the interface being inserted into for inner cylinder 2, and inner cylinder 2 is vacantly arranged in outer cylinder 1 by interface, is sealed at the top of inner cylinder 2
It closes, filtered water stream is circulated by inner cylinder bottom and outer barrel；The first automatic exhaust steam valve 8, outer cylinder top are provided at the top of inner cylinder 2
It is provided with the second automatic exhaust steam valve 9.Mixed cell is arranged on 1 side wall of outer cylinder, and mixed cell one end is connect with water inlet pipe 10, separately
The flocculation pipeline 4-1 connection of one end and flocculation unit；Chemical feed pipe 11 is provided on water inlet pipe 10, flocculation pipeline 4-1 is wrapped in outer
On 1 inner wall of cylinder, and extend to 2 top of inner cylinder；Filter element is arranged in 2 bottom of inner cylinder；Aeration unit is located at 1 bottom of outer cylinder, and
Aeration unit is higher than the most bottom surface of inner cylinder 2；Water collecting unit is arranged on 1 top of outer cylinder, and water collecting unit includes catch basin 7-1, is catchmented
Slot 7-1 is the annular groove being circumferentially arranged along 1 inner wall of outer cylinder, so that phenomena such as water outlet is not in short stream uniformly.Catch basin 7-1
On be connected with outlet pipe 12 and backwash water inlet pipe 13.
It is provided with backwash rhone 14 at the top of inner cylinder 2, during backwashed, plays the work of discharge backwashing water
With.It backwashes rhone 14 to be arranged above filter element, the flocculation end pipeline 4-1 extends in backwash rhone 14, row
Sink can also play the role of water distribution uniformity during raw water filtration.Backwash rhone 14 is circumscribed with backwash draining
Pipe 15.
The utility model is by by the coagulant being added to the water and the quickly mixing of a small amount of acid, realizing in mixed cell in water
The quick cohesion of grain object, forms stable small wadding body；Based on micro flocculating filter theory, water passes through the wadding that winds in outer tube inner wall
Solidifying pipeline 4-1 carries out tiny flocculation, and hydraulic detention time is 1~2min, enters filter element after forming micro- wadding grain similar in partial size,
It is filtered by filtering layer, carries out turbidity removal；Water after filter is turned over by 2 bottom of inner cylinder to outer cylinder 1, is aerated into aeration unit, this mistake
Cheng Zhong, the acid being added early period and the HCO in water3-Reaction generates CO2Gas carries out scale removal, and aeration unit is recycled to be aerated
Stripping CO2Gas restores the pH value of water outlet；Last water flows into the catch basin at the top of outer cylinder, to reach uniform water outlet.
The utility model is by being arranged automatic exhaust steam valve at the top of outer cylinder and inner cylinder, firstly, passing through outer cylinder in filtering
Second top row air valve 9 excludes the CO of aerating gas and institute's stripping2Gas utilizes outer cylinder top vent valve in backwash
It is only vented the principle not drained, is built the pressure in outer cylinder, the backwashing water in outer cylinder is uniformly pressed into inner cylinder, is realized to filter
The backwash of material does not need that water-distributing device in addition is arranged, it is cumbersome to solve the problems, such as that traditional turbidity removal equipment pipe connects；Separately
Outside, as the excessive gas in the progress inner cylinder of filtering is discharged, the depth of water is continuously increased above filtering layer in inner cylinder, when the water surface reaches
When at the top of inner cylinder, first automatic exhaust steam valve 8 at top is closed, and since inner cylinder is top closed, is pushed at this time by the pressure intake
Journey is filtered, so that filter cycle extends；Simultaneously the total height of equipment is reduced, because being open at the top of traditional filter device
Structure needs biggish filtering layer headwater depth to be filtered, and the structure design of the utility model does not need water on biggish filtering layer
Filtering can be realized deeply, avoid the problem of elevation arrangement difficulty.
Specifically, mixed cell includes tube mixer 3-1, tube mixer 3-1 is arranged on water inlet pipe 10.Tubular type
Mixer 3-1 is used to realize the quick cohesion of particulate matter in water to the coagulant being added to the water and the quickly mixing of a small amount of acid.
Specifically, filter element includes homogeneous filtering material layer 5-1, supporting layer 5-2, filter plate 5-3 and short-handled filter head 5-4, homogeneous
Filter material layer 5-1, supporting layer 5-2, filter plate 5-3 are from top to bottom successively set in inner cylinder 2, and aperture is provided on filter plate 5-3, short
Handle filter 5-4 is arranged in aperture.Wherein, filtrate uses homogeneous filtering material, improves filtering layer and contains dirty ability, reduces head damage in filtering layer
Lose rate of rise.Preferably, homogeneous filtering material layer 5-1 filtrate uses sand filtering material, and the effective grain size of filtrate is 0.9~1.50mm, grain
Diameter is excessive to will affect water after filter matter, only has the top of filtering layer to play a role if partial size is too small, substantially reduces filter cycle；Separately
Outside, when filter material layer thinner thickness, filtered water quality is influenced, when filter material layer thickness is thicker, it is larger to will lead to filtering cloth head, is easy
There is negative head phenomenon, and particle diameter of filter medium and filter material layer thickness relationship are close, therefore, the thickness of homogeneous filtering material layer 5-1 is preferred
60~120cm.Supporting layer 5-2 uses natural pebble, and the effective grain size of natural pebble is 2~4mm, and supporting layer 5-2 is with a thickness of 80
~100mm, supporting layer can prevent the loss of filtrate that can be evenly distributed with backwashing water in backwash in filtering.
Specifically, short-handled filter head 5-4 is uniformly mounted on filter plate 5-3, it is preferred that the installation number of short-handled filter head 5-4 is
Every square meter 30~50.
Specifically, backwash rhone 14 is to be radially arranged in elongate slots along inner cylinder 2, the bottom of rhone 14 is backwashed
It gradually tapers up as taper.Pyramidal structure flows into backwashing water in rhone rapidly, avoids influencing backwash process.Wherein,
It is provided with control valve on backwash drainpipe 15, for controlling the discharge of backwashing water.
Specifically, as shown in Figure 5 and Figure 6, aeration unit includes tube aerator 6-1, snorkel 6-2 and vent branch
6-3, snorkel 6-2 are annular, and snorkel 6-2 is fixed on 1 inner wall of outer cylinder by pipe collar 6-4, and tube aerator 6-1 passes through
Vent branch 6-3 is connected to above snorkel 6-2, and tubular type aeration tube 6-1 is circumferentially uniformly distributed along snorkel.Best, tubular type
Aerator 6-1 is located at the upward 4~6cm in the most bottom surface of inner cylinder 2.In outer cylinder bottom, setting aeration tube is aerated, within being able to achieve
The aeration of a circumference centered on cylinder turns over to water base of outer cylinder via inner cylinder bottom and is able to achieve all quickly aeration, it is only necessary to
The aeration time of 15~25min can complete CO2The stripping of gas, it is high-efficient.
As shown in Figure 1, drainpipe 16 is arranged in the bottom of outer cylinder 1, for arranging in one embodiment of the utility model
Water in empty outer cylinder.In addition, being provided with support in outer cylinder bottom, make whole device support on the ground.
The water treatment procedure of the utility model are as follows:
Raw water is entered by water inlet pipe, in acid condition, adds suitable coagulant aluminium chloride (PAC), then into
Enter tube mixer 3-1 quickly to be mixed, water outlet enters flocculation pipeline 4-1 and carries out 1~2min of tiny flocculation, and water outlet enters filter
Layer is filtered, and abundant making contact and the adherency of micro- wadding grain and filtrate are retained down by filtering layer, reduce raw water turbidity, then
Aeration stripping is carried out to water after filter, due to HCO in water in acid condition3-Following reaction: HCO occurs3-+H+=H2O+CO2↑,
Scale removal is carried out, aerating gas stripping CO is recycled2Gas restores water outlet pH value, so that pH in the case where being not required to exogenously added alkali
Value meets national drinking water relevant criterion, is discharged after 15~25min of aeration stripping.When reaching filter cycle, start pair
Filtering layer is backwashed, and is vented not drainage principle using 9, second row air valve at the top of outer cylinder, is built the pressure, outer cylinder is recoiled
Wash water uniformly presses to inner cylinder and backwashes to filtrate.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way, it is same as long as it is without prejudice to the thought of the utility model
It should be considered as content disclosed in the utility model.
Claims (9)
1. a kind of turbid dirt is the same as the quality of groundwater purification device removed, which is characterized in that single including outer cylinder (1), inner cylinder (2), mixing
Member, flocculation unit, filter element, aeration unit and water collecting unit；
The outer cylinder (1) is closed cylinder, and the interface for inner cylinder (2) insertion, the inner cylinder are provided at the top of the outer cylinder (1)
(2) vacantly it is arranged in outer cylinder (1) by interface, the inner cylinder (2) is top closed, and filtered water stream is by inner cylinder bottom and outside
Cylinder internal circulation；It is provided with the first automatic exhaust steam valve (8) at the top of the inner cylinder (2), the second automatic row is provided at the top of outer cylinder (1)
Air valve (9)；
The mixed cell is arranged on outer cylinder (1) side wall, and described mixed cell one end is connect with water inlet pipe (10), the other end and
The flocculation pipeline (4-1) of flocculation unit connects；It is provided with chemical feed pipe (11) on the water inlet pipe (10), the flocculation pipeline (4-
1) it is wrapped on outer cylinder (1) inner wall, and extends at the top of inner cylinder (2)；
The filter element is arranged in inner cylinder (2) bottom；The aeration unit is located at outer cylinder (1) bottom, and aeration unit is higher than
The most bottom surface of inner cylinder (2)；
The water collecting unit is arranged on outer cylinder (1) top, and the water collecting unit includes catch basin (7-1), the catch basin (7-1)
For the annular groove being circumferentially arranged along outer cylinder (1) inner wall, outlet pipe (12) and backwash water inlet are connected on the catch basin (7-1)
It manages (13)；
Backwash rhone (14) is provided at the top of the inner cylinder (2), the backwash rhone (14) is arranged in filter element
Top, flocculation pipeline (4-1) end extend in backwash rhone (14), and the backwash rhone (14) is circumscribed with
It backwashes drainpipe (15).
2. turbid dirt as described in claim 1 is the same as the quality of groundwater purification device removed, which is characterized in that the mixed cell packet
It includes tube mixer (3-1), the tube mixer (3-1) is arranged on water inlet pipe (10).
3. turbid dirt as described in claim 1 is the same as the quality of groundwater purification device removed, which is characterized in that the filter element packet
Homogeneous filtering material layer (5-1), supporting layer (5-2), filter plate (5-3) and short-handled filter head (5-4) are included, the homogeneous filtering material layer (5-1) is held
Support layer (5-2), filter plate (5-3) are from top to bottom successively set in inner cylinder (2), are provided with aperture on the filter plate (5-3), described
Short-handled filter head (5-4) is arranged in aperture.
4. turbid dirt as claimed in claim 3 is the same as the quality of groundwater purification device removed, which is characterized in that the homogeneous filtering material layer
(5-1) with a thickness of 60~120cm, filtrate uses sand filtering material, and the effective grain size of filtrate is 0.9~1.5mm；The supporting layer
(5-2) uses natural pebble, and the effective grain size of natural pebble is 2~4mm, and supporting layer (5-2) is with a thickness of 80~100mm.
5. turbid dirt as claimed in claim 3 is the same as the quality of groundwater purification device removed, which is characterized in that the short-handled filter head
(5-4) is uniformly mounted on filter plate (5-3), and the installation number of the short-handled filter head (5-4) is every square meter 30~50.
6. turbid dirt as described in claim 1 is the same as the quality of groundwater purification device removed, which is characterized in that the backwash draining
Slot (14) is the elongate slots being arranged radially along inner cylinder (2), and the bottom of backwash rhone (14) gradually tapers up as taper.
7. turbid dirt as described in claim 1 is the same as the quality of groundwater purification device removed, which is characterized in that the aeration unit packet
Tube aerator (6-1), snorkel (6-2) and vent branch (6-3) are included, the snorkel (6-2) is annular, the snorkel
(6-2) is fixed on outer cylinder (1) bottom by pipe collar (6-4), and the tube aerator (6-1) is connected by vent branch (6-3)
Above snorkel (6-2), the tube aerator (6-1) is circumferentially uniformly distributed along snorkel.
8. turbid dirt as claimed in claim 7 is the same as the quality of groundwater purification device removed, which is characterized in that the tube aerator
(6-1) is located at inner cylinder (2) upward 4~6cm in most bottom surface.
9. turbid dirt as described in claim 1 is the same as the quality of groundwater purification device removed, which is characterized in that the outer cylinder (1)
Bottom is provided with the drainpipe (16) for water in cylinder to be discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820515969.6U CN208327658U (en) | 2018-04-11 | 2018-04-11 | A kind of same quality of groundwater purification device removed of turbid dirt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820515969.6U CN208327658U (en) | 2018-04-11 | 2018-04-11 | A kind of same quality of groundwater purification device removed of turbid dirt |
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| Publication Number | Publication Date |
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| CN208327658U true CN208327658U (en) | 2019-01-04 |
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ID=64781165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820515969.6U Active CN208327658U (en) | 2018-04-11 | 2018-04-11 | A kind of same quality of groundwater purification device removed of turbid dirt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483759A (en) * | 2018-04-11 | 2018-09-04 | 西安建筑科技大学 | A kind of same quality of groundwater purifier removed of turbid dirt |
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2018
- 2018-04-11 CN CN201820515969.6U patent/CN208327658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483759A (en) * | 2018-04-11 | 2018-09-04 | 西安建筑科技大学 | A kind of same quality of groundwater purifier removed of turbid dirt |
| CN108483759B (en) * | 2018-04-11 | 2024-03-08 | 西安建筑科技大学 | Underground water quality purifying device capable of removing turbid dirt simultaneously |
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