CN110194512A - A kind of PT type polymer dissolution throwing device - Google Patents
A kind of PT type polymer dissolution throwing device Download PDFInfo
- Publication number
- CN110194512A CN110194512A CN201810163682.6A CN201810163682A CN110194512A CN 110194512 A CN110194512 A CN 110194512A CN 201810163682 A CN201810163682 A CN 201810163682A CN 110194512 A CN110194512 A CN 110194512A
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- CN
- China
- Prior art keywords
- water inlet
- screw rod
- doline
- type polymer
- eddy flow
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
- B01F33/8212—Combinations of dissimilar mixers with consecutive receptacles with moving and non-moving stirring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention provides a kind of PT type polymer to dissolve throwing device, including Machine for medicine solution structure, dispensing mechanism and water supply system；Machine for medicine solution structure includes groove body, blender and eddy flow just doline；By being divided into three vallecular cavities, respectively prefabricated mixing channel, homogeneous digester and chemical storage tank from left to right in groove body；A blender is respectively equipped in three vallecular cavities；Just doline is set at the top of prefabricated mixing channel and communicates therewith eddy flow；Mechanism of offeing medicine includes dry congenial and screw rod conveyor；It is dry to speculate to be connected by screw rod conveyor with the first doline of eddy flow；Water supply system includes solenoid valve, water inlet pipe, filter, pressure gauge and spinner flowmeter；Solenoid valve connects water inlet pipe；Filter is installed on water inlet pipe；Pressure gauge and spinner flowmeter are installed on filter.The present invention uses the dissolving tank of three slots one, and the medical fluid of preparation meets homogeneous, curing, active requirement, can efficiently, continuously and stably carry out the dissolutions of medicaments such as PT type polymer and add.
Description
Technical field
The present invention relates to water-treatment technology fields, and the dissolution for specially continuously preparing and adding PT type polymer adds dress
It sets.
Background technique
Dissolution throwing device is the equipment of continuous preparation and dose polymeric solution, and PT type polymer is commonly used for original
Medicament in water, water supply water treatment system and waste water treatment system, it can continuously, efficiently complete polymer chemical combination and
Mixing, to obtain homogeneous, active polymer solution, realizes the clarifying treatment of water.PT type polymer dissolves throwing device
It is mainly used in municipal water process, sewage plant etc. and uses the occasion of polymer solution.Common medicament dissolution throwing device is all
It is equipped with simple dissolving tank, is directly connected to add pump in dissolving tank medicine outlet.This kind of device structure is simple, in down-stream processing
Under environment, it is unable to satisfy medicament supply, and medicament, especially PT type polymer, is unable to satisfy in simple dissolving tank
Matter, curing, active requirement, to influence water treatment efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of scientific design, three slots one, continuous
Prepare the dissolution throwing device of PT type polymer.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of PT type polymer dissolution throwing device, including Machine for medicine solution structure, dispensing mechanism and water supply system；The Machine for medicine solution
Structure includes groove body, blender and eddy flow just doline；By being divided into three vallecular cavities, respectively prefabricated mixing from left to right in the groove body
Slot, homogeneous digester and chemical storage tank；Partition and overflow weir are respectively equipped between each vallecular cavity；Divide in three vallecular cavities
It She You not a blender；Just doline is set at the top of prefabricated mixing channel and communicates therewith the eddy flow；
The dispensing mechanism includes dry congenial and screw rod conveyor；It is described dry to speculate by molten at the beginning of screw rod conveyor and eddy flow
Bucket is connected；The screw rod conveyor is made of worm-gear speed reducer and screw rod；The screw rod one and worm-gear speed reducer
It is drivingly connected, congenial and eddy flow just doline is done in other end connection；
The water supply system includes solenoid valve, water inlet pipe, filter, pressure gauge and spinner flowmeter；The solenoid valve connects
Tap into water pipe control water inlet；The water inlet pipe includes water inlet manifold and dilution water water inlet pipe；At the beginning of the water inlet manifold connection eddy flow
Doline；Filter is installed on the water inlet manifold；Pressure gauge and spinner flowmeter are installed on the filter；The dilution
Water water inlet pipe is connected to chemical storage tank.
Further, described groove body one end is equipped with power control cabinet.
Further, the groove body internal partition does not connect with slot bottom；The overflow weir does not connect with groove top.
Further, built-in overflow pipe is equipped in the prefabricated mixing channel.
Further, the prefabricated mixing channel, homogeneous digester and liquid medicine storage trench bottom are respectively equipped with drug discharging tube；It is described
Drug discharging tube is connected with pipe is added；The drug discharging tube with add medicine outlet that pipe is connected and be equipped with manual ball valve；It is described to add pipe one
Head is connected with pump is added, and other end is drain.
Further, electric heater is equipped in the screw rod conveyor screw rod.
The present invention uses the dissolving tank of three slots one, makes dry powder pharmaceutical at the beginning of eddy flow in doline after pre-invasion, and inflow is prefabricated
Stirring, mixing, the chemical combination in homogeneous digester realize homogeneous, curing, active requirement, then in medical fluid in mixing channel
It stores in reserve tank and is added away via dosing pump, can efficiently, continuously and stably carry out the molten of the medicaments such as PT type polymer
It solves and adds, meet water process adds demand.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structure top view of the invention；
Fig. 2 is structural front view of the invention.
In figure, 1- Machine for medicine solution structure, 11- groove body, the prefabricated mixing channel of 1101-, the homogeneous digester of 1102-, 1103- liquid medicine storage
Slot, 12- blender, 13- eddy flow first doline, 14- partition, 15- overflow weir, the built-in overflow pipe of 16-, 17- drug discharging tube, 18-
Manual ball valve, 2- dispensing mechanism, 21- dry congenial, 2101 visors, 2102- level-sensing device, 22- screw rod conveyor, 2201 worm and gears
Speed reducer, 2202- screw rod, 2203- electric heater, 3- water supply system, 31- solenoid valve, 32- water inlet pipe, 3201- water inlet manifold,
3202- dilution water water inlet pipe, 33- filter, 34- pressure gauge, 35- spinner flowmeter, 4- add pump, 41- adds pipe, 5- is automatically controlled
Cabinet.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Figs. 1-2, the present invention relates to a kind of PT type polymer to dissolve throwing device, including Machine for medicine solution structure 1, chemical feed machine
Structure 2 and water supply system 3.Dispensing mechanism 2, which is used to put into Machine for medicine solution structure 1 after dry powder pharmaceutical pre-invasion, carries out mixing and chemical combination,
And feed mechanism 3 is used to supply water to Machine for medicine solution structure 1.After medicament dissolves in Machine for medicine solution structure 1, by add pump 4 be added to it is specified
Place carries out water process.
Machine for medicine solution structure 1 includes groove body 11, blender 12 and eddy flow just doline 13.In order to meet medicament dissolution homogeneous, curing,
Active requirement, groove body 11 is interior by being divided into three vallecular cavities from left to right, respectively prefabricated mixing channel 1101, homogeneous digester 1102
With chemical storage tank 1103.In order to separate each vallecular cavity, partition 14 and overflow weir 15 are respectively equipped between each vallecular cavity.Partition 14
Do not connect with slot bottom, and overflow weir 15 does not connect with groove top, that is to say, that three vallecular cavities are sequentially communicated, 14 He of partition
There are one, temporarily storage space, medical fluid can only work as medicine by the inflow of 14 bottom of partition temporarily storage space between overflow weir 15
Liquid save bit by bit it is a certain amount of, liquid level be higher than overflow weir 15 when, next vallecular cavity could be flowed into.In such manner, it is possible to effectively control
Residence time of the medical fluid in each vallecular cavity adds calculating by the stream of science, controls dry powder and inflow, and medicament can be rationally
It sequentially circulates in three vallecular cavities on ground.Built-in overflow pipe 16 is equipped in prefabricated mixing channel 1101, when prefabricated mixing channel 1101
When interior liquid level is more than a high position (the generating failure) of setting, it can prevent liquid from overflowing from vallecular cavity top.Meanwhile in mixing channel processed
1101, homogeneous digester 1102 and 1103 bottom of chemical storage tank are respectively equipped with drug discharging tube 17, three drug discharging tubes 17 simultaneously with throwing
Pipe 41 is added to be connected.It adds pipe 41 1 to be connected with pump 4 is added, other end is drain.The medical fluid dissolved is from chemical storage tank
The drug discharging tubes 17 of 1103 bottoms flows out, and is added to designated place via pipe 41 is added under the traction for adding pump 4.Equipment stops fortune
When row, cleaning, three drug discharging tubes 17 can be opened simultaneously, and waste liquid, which enters, adds pipe 41 from drain outflow.In order to control out liquid,
Drug discharging tube 17 with add medicine outlet that pipe 41 is connected and be equipped with manual ball valve 18.In addition, being respectively equipped with one in three vallecular cavities
Blender 12,12 unique structure of blender, revolving speed is appropriate, not only can guarantee homogenizing for medical fluid, but also do not destroy polymer molecular chain.
Just doline 13 is set to prefabricated 1101 top of mixing channel and communicates therewith eddy flow.Just doline 13 is connected eddy flow with dispensing mechanism 2.
Mechanism 2 of offeing medicine includes dry congenial 21 and screw rod conveyor 22.The dry capacity for speculating 21 has 60L, can satisfy large size
Water treatment system long lasting for dosage.Speculate to be equipped with visor 2101 in 21 dry, can artificial observation material position, be also equipped with material
Position meter 2102, can monitor material position automatically, signal alarm can be issued when material position is too low.It is dry to speculate 21 by screw rod conveyor 22 and rotation
Just doline 13 is flowed to be connected.Screw rod conveyor 22 is made of worm-gear speed reducer 2201 and screw rod 2202, screw rod 2,202 1 with
Worm-gear speed reducer 2201 is drivingly connected, and other end connection is dry to speculate 21 and the first doline 13 of eddy flow.In use, worm and gear subtracts
At the beginning of fast machine 2201 drives screw rod 2202 that the dry dry powder pharmaceutical speculated in 21 is conveyed into eddy flow in doline 13.It conveyed in order to prevent
Powder from moisture agglomerates and blocks screw rod 2202 in journey, and electric heater 2203 is equipped in screw rod 2202, using thermostatic heating method,
Reduce because manually deploy it is improper caused by agglomerate or blocking pipeline hidden danger, thus guarantee prepare liquid medicine, concentration stabilization
Unanimously.
Water supply system 3 includes solenoid valve 31, water inlet pipe 32, filter 33, pressure gauge 34 and spinner flowmeter 35.Solenoid valve
31 are connected to water inlet pipe 32, are opened and closed valve by receiving electric signal, realize automatic feeding water.Water inlet pipe 32 includes water inlet manifold 3201
With dilution water water inlet pipe 3202, water inlet manifold 3201 is connected to eddy flow just doline 13, and proof dry powder feeding arrives at the beginning of eddy flow after doline 13, always into
Pre-invasion is realized in the water inlet of water pipe 3201 therewith.Doline 13 is communicated with prefabricated mixing channel 1101 as at the beginning of eddy flow, water inlet manifold 3201
Water inlet can flow into therewith in prefabricated mixing channel 1101, mixed.Meanwhile filter being installed on water inlet manifold 3201
33, for intercepting the impurity in water, to protect solenoid valve 31.Pressure gauge 34 and spinner flowmeter are installed on the filter 33
35.Pressure gauge 34 is mounted on behind filter 33, to show pressure, such as hypotony, then illustrates that filter 33 has blocked, and is needed
Remove the impurity in filter 33.Spinner flowmeter 35 is then used to show flow of inlet water.Dilution water water inlet pipe 3202 is connected to medicine
Liquid reserve tank 1103 is pressed the medical fluid of constant density practical to the liquid medicine after chemical combination in dilute liquid medicine reserve tank 1103
The concentration used requires on-line dilution.
The present invention is using medicaments such as the dissolving tank dissolution preparation PT type polymer of three slots one.In Machine for medicine solution flute body 11 1
End is equipped with power control cabinet 5, and while energy supply to equipment, connection host data intercommunication controls dosage, realizes continuous, suitable medicament
It dissolves and adds.In actual use, deposit has suitable dry powder in dry congenial 21, according to pharmacy concentration necessary, screw rod transmission
At the beginning of quantitative dry powder is conveyed into eddy flow by machine 22 in doline 13.At the same time, solenoid valve 31 opens valve, and water inlet manifold 3201 is fixed
Amount water inlet, after realizing pre-invasion with dry powder in doline 13 at the beginning of eddy flow, dry powder flows into prefabricated mixing channel 1101 by gravity, stirring
Machine 12 starts, and dry powder and water are stirred, mixed.Medical fluid through being tentatively stirred is slow by partition 14 and overflow weir 15
In slug flow to homogeneous digester 1102, it is stirred for, chemical combination.By certain time effectively, it is soft stir at low speed after, can
Medical fluid is set to reach homogeneous, curing, active state.Chemical storage tank 1103 is flow to by partition 14 and overflow weir 15 again
Interior, deposit is stand-by.It is dry to speculate 21 and be automatically closed after filling medical fluid in chemical storage tank 1103, water inlet manifold 3201 stop into
Water.4 starting of pump is added, while solenoid valve 31 controls dilution water water inlet pipe 3202 and intakes to chemical storage tank 1103, and medical fluid is stored up
The medical fluid of constant density in slot 1103 is deposited by the concentration requirement on-line dilution of actual use, is added finally by pump 4 is added to institute
Need equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of PT type polymer dissolves throwing device, including Machine for medicine solution structure (1), dispensing mechanism (2) and water supply system (3),
Be characterized in that: the Machine for medicine solution structure (1) includes groove body (11), blender (12) and eddy flow just doline (13)；The groove body (11)
It is interior by being divided into three vallecular cavities from left to right, respectively prefabricated mixing channel (1101), homogeneous digester (1102) and chemical storage tank
(1103)；Partition (14) and overflow weir (15) are respectively equipped between each vallecular cavity；One is respectively equipped in three vallecular cavities
Blender (12)；Just doline (13) is set at the top of prefabricated mixing channel (1101) and communicates therewith the eddy flow；
The dispensing mechanism (2) includes dry congenial (21) and screw rod conveyor (22)；Dry congenial (21) pass through screw rod transmission
Just doline (13) is connected machine (22) with eddy flow；The screw rod conveyor (22) is by worm-gear speed reducer (2201) and screw rod
(2202) it constitutes；The screw rod (2202) one are drivingly connected with worm-gear speed reducer (2201), and other end connection is dry to speculate
(21) and eddy flow just doline (13)；
The water supply system (3) includes solenoid valve (31), water inlet pipe (32), filter (33), pressure gauge (34) and spinner
It counts (35)；Solenoid valve (31) connection water inlet pipe (32) the control water inlet；The water inlet pipe (32) includes water inlet manifold (3201)
With dilution water water inlet pipe (3202)；The first doline (13) of water inlet manifold (3201) connection eddy flow；The water inlet manifold (3201)
On filter (33) are installed；Pressure gauge (34) and spinner flowmeter (35) are installed on the filter (33)；The dilution
Water water inlet pipe (3202) is connected to chemical storage tank (1103).
2. a kind of PT type polymer according to claim 1 dissolves throwing device, it is characterised in that: the groove body (11) one
End is equipped with power control cabinet (5).
3. a kind of PT type polymer according to claim 1 dissolves throwing device, it is characterised in that: in the groove body (11)
Partition (14) does not connect with slot bottom；The overflow weir (15) does not connect with groove top.
4. a kind of PT type polymer according to claim 1 dissolves throwing device, it is characterised in that: the prefabricated mixing channel
(1101) built-in overflow pipe (16) are equipped in.
5. a kind of PT type polymer according to claim 1 dissolves throwing device, it is characterised in that: the prefabricated mixing channel
(1101), homogeneous digester (1102) and chemical storage tank (1103) bottom are respectively equipped with drug discharging tube (17)；The drug discharging tube
(17) with add pipe (41) and be connected；The drug discharging tube (17) with add medicine outlet that pipe (41) is connected and be equipped with manual ball valve
(18)；Described to add pipe (41) one and be connected with pump (4) is added, other end is drain.
6. a kind of PT type polymer according to claim 1 dissolves throwing device, it is characterised in that: the screw rod conveyor
Electric heater (2203) are equipped in screw rod (2202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163682.6A CN110194512A (en) | 2018-02-27 | 2018-02-27 | A kind of PT type polymer dissolution throwing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163682.6A CN110194512A (en) | 2018-02-27 | 2018-02-27 | A kind of PT type polymer dissolution throwing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110194512A true CN110194512A (en) | 2019-09-03 |
Family
ID=67750901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810163682.6A Pending CN110194512A (en) | 2018-02-27 | 2018-02-27 | A kind of PT type polymer dissolution throwing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110194512A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5547126A (en) * | 1978-09-28 | 1980-04-03 | Snow Brand Milk Prod Co Ltd | Dissolving method of high concentration of powder |
| KR100843349B1 (en) * | 2007-07-23 | 2008-07-04 | 케이팩코리아주식회사 | Fixed quantity fluiding device of liquid polymer solution system |
| CN201264934Y (en) * | 2008-05-30 | 2009-07-01 | 施正彬 | Flocculant preparing apparatus |
| CN102020406A (en) * | 2009-09-22 | 2011-04-20 | 商城县开源环保设备有限公司 | Automatic dosing device for sewage treatment |
| CN102989333A (en) * | 2012-12-31 | 2013-03-27 | 陈萍 | Three-groove continuous type automatic medicament feeding and dissolving device |
| CN107233804A (en) * | 2017-07-31 | 2017-10-10 | 耐德三井造船（重庆）环境装备有限公司 | One kind flocculation dispensation apparatus |
-
2018
- 2018-02-27 CN CN201810163682.6A patent/CN110194512A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5547126A (en) * | 1978-09-28 | 1980-04-03 | Snow Brand Milk Prod Co Ltd | Dissolving method of high concentration of powder |
| KR100843349B1 (en) * | 2007-07-23 | 2008-07-04 | 케이팩코리아주식회사 | Fixed quantity fluiding device of liquid polymer solution system |
| CN201264934Y (en) * | 2008-05-30 | 2009-07-01 | 施正彬 | Flocculant preparing apparatus |
| CN102020406A (en) * | 2009-09-22 | 2011-04-20 | 商城县开源环保设备有限公司 | Automatic dosing device for sewage treatment |
| CN102989333A (en) * | 2012-12-31 | 2013-03-27 | 陈萍 | Three-groove continuous type automatic medicament feeding and dissolving device |
| CN107233804A (en) * | 2017-07-31 | 2017-10-10 | 耐德三井造船（重庆）环境装备有限公司 | One kind flocculation dispensation apparatus |
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Application publication date: 20190903 |