CN107398226A - A kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method - Google Patents
A kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method Download PDFInfo
- Publication number
- CN107398226A CN107398226A CN201710703209.8A CN201710703209A CN107398226A CN 107398226 A CN107398226 A CN 107398226A CN 201710703209 A CN201710703209 A CN 201710703209A CN 107398226 A CN107398226 A CN 107398226A
- Authority
- CN
- China
- Prior art keywords
- blending bin
- rotating shaft
- crush box
- environmentally friendly
- plant
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- 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.)
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- 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
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method, including crush box, the first blending bin and the second blending bin, the crush box upper end to be provided with feeding mouth；The feeding mouth left upper end is provided with draw ring；The crush box inner hub location is provided with the second rotating shaft；Several crushing knifes are evenly arranged with second rotating shaft, the second rotating shaft lower end is provided with curved screen, the first blending bin is provided with immediately below the crush box；The first motor right center position is vertically installed with the 3rd rotating shaft；The left and right sides is provided with supersonic generator inside first blending bin, and described carry is provided with haul pipe, is fixed in the second blending bin upper left side on the right side of haul pipe, the second blending bin left upper end is provided with adding mouth on the right side of material pump.User of the present invention holds draw ring and opens feeding mouth by first rotating shaft, and material is put into crush box；Second rotating shaft drives crushing knife to crush crush box inside raw material.
Description
Technical field
The invention belongs to material processing plant technical field, more particularly to a kind of general environmentally friendly material for water treatment processing dress
Put and preparation method.
Background technology
As China's process of industrialization constantly promotes, the discharge capacity of the industrial wastewater of all trades and professions increasingly increases, Industry Waste
Water watershed environment and residents ' health cause serious influence.The political affairs such as " ten, water ", " third party's governance model " in 2015
The successive appearance of plan, positive role is played to the development for promoting industrial enterprise's waste water treatment industry, transported for Industrial Wastewater Treatment
Industry opportunity will be welcome for enterprise of battalion.Authoritative institution's statistics display, 2014 and the Industrial Wastewater Treatment market operation in 2015
Scale is respectively 80,800,000,000 yuan and 88,900,000,000 yuan, and the average speedup of scholarly forecast " 13 " Industrial Wastewater Treatment market operation scale is
10%, it is about 98,600,000,000 yuan thus to calculate the potential scale of industrial wastewater operation market in 2016, coming years Industrial Wastewater Treatment fortune
Seeking market scale can be huger.
At present, the industrial wastewater in China is mainly derived from the industries such as papermaking, chemical industry, weaving, steel, in recent years, according to statistics papermaking,
Chemical industry, weaving, the total discharge accounting of steel turn into industrial wastewater primary discharge source, and wastewater treatment is concentrated the most close to 50%
Field.Investigated according to authoritative sources in the industry, the actually many Industrial Wastewater Treatment facilities in China all in abnormal operational conditions,
It is Industrial Wastewater Treatment enterprise along with the features such as Sewage Disposal distribution is wide, Water-quality control is ageing high, water body harm is big
Operation management brings huge challenge.
At present, the processing method of waste water is more, including physisorphtion, reduction precipitation method, ion-exchange, electrolysis
Deng.Wherein, physisorphtion is also the important processing method of one of which.By adding flocculant heavy metal wastewater thereby
In small colloidal solid bad stability, aggregation form bulky grain colloidal substance, precipitated eventually through Action of Gravity Field.To increase
The size of big colloidal solid, using the method for flotation, for unstable colloidal particle to be changed into solid phase flocculate.
During Handling Waste Water by Absorbing Way, adsorption process occurs on the solid two-phase interface of liquid one, is water, adsorbate and solid particle
The result of triple interaction.Affinity between adsorbate and solid particle is the main reason for causing absorption.Influence absorption
Principal element has the solubility size of adsorbate, and adsorbate solubility is bigger, then absorption possibility is smaller, on the contrary.Adsorbate is got over
It is easily adsorbed.Next to that point caused by electrostatic attraction, Fan Dede gravitation or chemical bond force between adsorbate and adsorbent
Sub- intermolecular forces.Due to these three different power, three kinds of various forms of absorption can be formed, i.e., exchange adsorption, physical absorption and
Chemisorbed, in the treatment of waste water mainly physical absorption, the comprehensive function of sometimes several forms.Exchange adsorption refers to absorption skill
Ion focused on the powered point of adsorbent surface due to electrostatic attraction effect, and displace and originally anchor at these powered points
On other ions.Ion institute is electrically charged more, and absorption is stronger, and when electric charge is identical, its hydrated radius is smaller, easier to be adsorbed.
Te Li absorption refers to the caused absorption due to molecular separating force (Van der Waals force and hydrogen bond) between adsorbate and adsorbent.
Between being present in any material due to molecular separating force, therefore adsorb without selectivity, and adsorption strength is with adsorbate property difference difference
Very big, Van der Waals force is smaller, and its firmness adsorbed is not so good as chemisorbed, process heat release about 42KJ/MOL or less, high temperature
Suction matter will be made to overcome molecular separating force and be desorbed, so the principal element that physical absorption influences, except the property with adsorbent, compares table
The size of area is relevant with broad pore distribution, also relevant with the property, concentration and temperature of adsorbate.
At present, sewage water treatment method includes Physical, membrane filter method, Bubble-floating Method, chemical method, electrochemical process, biochemistry
The processing to waste water can not be implemented separately in method etc., the above method, wherein, and combined with Physical and chemical method it is most commonly seen,
And it is the most frequently used for absorption method in Physical, in absorption method, it is both needed to use adsorbent, and graphene is as a kind of porous material
Material, because of its mechanics, quantum mechanics and electrology characteristic, in terms of quality, electric conductivity, thermal conductivity, dispersiveness and stability, has
Its special advantage, makes it that there are very big potentiality in terms of water process.
The content of the invention
It is an object of the invention to provide a kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method, with solution
State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme（One）：
A kind of general environmentally friendly material for water treatment processing unit (plant), including crush box, the first blending bin and the second blending bin, the crushing
Case upper end is provided with feeding mouth；The feeding mouth left upper end is provided with draw ring；The crush box inner hub location is provided with
Two rotating shafts；Several crushing knifes are evenly arranged with second rotating shaft, the second rotating shaft lower end is provided with curved screen, institute
State and be provided with the first blending bin immediately below crush box；The first motor right center position is vertically installed with the 3rd rotating shaft；Institute
State the left and right sides inside the first blending bin and be provided with supersonic generator, the first blending bin lower left, which is provided with, carries material
Pump；Described carry is provided with haul pipe on the right side of material pump, the second blending bin upper left side, second blending bin are fixed on the right side of haul pipe
Left upper end is provided with adding mouth, and the second blending bin upper end center position is connected with the second motor；Below second motor
Center is connected with the 4th rotating shaft；Several profile bars are evenly arranged with 4th rotating shaft, second blending bin is just
Lower section is provided with conveyer belt；The second blending bin upper right side is connected with pressure gauge, and lower right is connected with inside the expansion box
Air pump；The air pump upper end is connected with tracheae, and tracheae upper end is fixed in the second blending bin upper right side.
As a preferred technical solution of the present invention, first rotating shaft is provided with the right side of the feeding mouth.
As a preferred technical solution of the present invention, the first motor is provided with the left of first blending bin.
As a preferred technical solution of the present invention, the feeding mouth outer end is provided with valve, regulates and controls entering for unit interval
Doses.
As a preferred technical solution of the present invention, first motor and the second motor are multistage change
The explosion-proof electric machine of frequency.
As a preferred technical solution of the present invention, several stirring bars are evenly arranged with the 3rd rotating shaft.
As a preferred technical solution of the present invention, expansion box is provided with the right side of second blending bin.
The present invention provides following technical scheme（Two）：
A kind of general environmentally friendly water process material preparation method, comprises the following steps：
User holds draw ring 22 and opens feeding mouth 5 by first rotating shaft 21, material is put into crush box 1, second turn afterwards
Axle 7 drives crushing knife 6 to crush the inside raw material of crush box 1, and the particle after crushing is fallen by curved screen 8, and particle falls
After entering in the first blending bin 2, by the 3rd rotating shaft 10 stirring bar 14 is driven to be stirred by the first motor 9 well mixed, simultaneously
Ultrasound-enhanced mixed effect occurs using supersonic generator 15, by carrying material pump 11 by compound by transporting after the completion of mixing
Expects pipe 12 is transported into the second blending bin 3, while adding mouth 16 is used for adding additive, and profile bar 19 is carried out to raw material afterwards
Secondary agitation.
Compared with prior art, the beneficial effects of the invention are as follows：
User holds draw ring and opens feeding mouth by first rotating shaft, and material is put into crush box；Second rotating shaft, which drives, to crush
Knife crushes to crush box inside raw material；Particle after crushing is fallen by curved screen；Particle is fallen into the first blending bin
Afterwards, to drive stirring bar to be stirred by the 3rd rotating shaft by the first motor well mixed, while utilizes supersonic generator
Ultrasound-enhanced mixed effect；Compound is transported into the second blending bin by haul pipe by carrying material pump after the completion of mixing；
Adding mouth is used for adding additive；Profile bar carries out secondary agitation to raw material；Pressure gauge is used for checking presses inside the second blending bin
Power；Expansion box internal gas is pumped into the second blending bin by air pump increases air pressure inside.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of feeding mouth of the present invention.
Fig. 3 is the structural representation of expansion box of the present invention.
In figure：1- crush boxes；The blending bins of 2- first；The blending bins of 3- second；4- expansion boxes；5- feeding mouths；6- crushing knifes；7-
Second rotating shaft；8- curved screens；The motors of 9- first；The rotating shafts of 10- the 3rd；11- carries material pump；12- haul pipes；13- conveyer belts；14-
Stirring bar；15- supersonic generators；16- adding mouths；17- pressure gauges；The rotating shafts of 18- the 4th；19- profile bars；The motors of 20- second；
21- first rotating shafts；22- draw rings；23- air pumps；24- tracheaes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of embodiment provided by the invention：A kind of general environmentally friendly material for water treatment processing unit (plant) and system
Preparation Method, including crush box 1, the first blending bin 2 and the second blending bin 3, the upper end of crush box 1 are provided with feeding mouth 5；It is described
The left upper end of feeding mouth 5 is provided with draw ring 22；The right side of feeding mouth 5 is provided with first rotating shaft 21, and it is logical that user holds draw ring 22
Cross first rotating shaft 21 and open feeding mouth 5, material is put into crush box 1；The inner hub location of crush box 1 is provided with second
Rotating shaft 7；Several crushing knifes 6 are evenly arranged with second rotating shaft 7, the second rotating shaft 7 drives crushing knife 6 in crush box 1
Portion's raw material is crushed；The lower end of second rotating shaft 7 is provided with curved screen 8, and the particle after crushing is fallen by curved screen 8
Under；The first blending bin 2 is provided with immediately below the crush box 1；The left side of first blending bin 2 is provided with the first motor 9；It is described
The right center position of first motor 9 is vertically installed with the 3rd rotating shaft 10；Several are evenly arranged with 3rd rotating shaft 10 to stir
Dynamic rod 14；The inside of first blending bin 2 left and right sides is provided with supersonic generator 15, and particle is fallen into the first blending bin 2
Afterwards, to drive stirring bar 14 to be stirred by the 3rd rotating shaft 10 by the first motor 9 well mixed, while utilizes supersonic generator
15 occur ultrasound-enhanced mixed effect；The lower left of first blending bin 2, which is provided with, carries material pump 11；It is described to carry the right side of material pump 11
Side is provided with haul pipe 12, and the right side of haul pipe 12 is fixed in the upper left side of the second blending bin 3, will by carrying material pump 11 after the completion of mixing
Compound is transported into the second blending bin 3 by haul pipe 12；The left upper end of second blending bin 3 is provided with adding mouth 16, adds
Mouth 16 is added to be used for adding additive；The upper end center position of second blending bin 3 is connected with the second motor 20；Second motor
20 lower central positions are connected with the 4th rotating shaft 18；Several profile bars 19 are evenly arranged with 4th rotating shaft 18, abnormity
Rod 19 carries out secondary agitation to raw material；Conveyer belt 13 is provided with immediately below second blending bin 3；Second blending bin 3 is right
Top is connected with pressure gauge 17, and pressure gauge 17 is used for checking the internal pressure of the second blending bin 3；The right side of second blending bin 3 is set
It is equipped with expansion box 4；The inside lower right of expansion box 4 is connected with air pump 23；The upper end of air pump 23 is connected with tracheae 24, tracheae
24 upper ends are fixed in the upper right side of the second blending bin 3, and the internal gas of expansion box 4 is pumped into the second blending bin 3 in increase by air pump 23
Portion's air pressure.
Specifically used mode：In use, user holds draw ring 22 opens feeding mouth 5 by first rotating shaft 21, by material
It is put into crush box 1, the second rotating shaft 7 afterwards drives crushing knife 6 to crush the inside raw material of crush box 1, the particle after crushing
Fallen by curved screen 8, after particle is fallen into the first blending bin 2, stirring bar is driven by the 3rd rotating shaft 10 by the first motor 9
14 be stirred it is well mixed, while using supersonic generator 15 occur ultrasound-enhanced mixed effect, after the completion of mixing lead to
Cross to carry and expect that pump 11 transports compound into the second blending bin 3 by haul pipe 12, while adding mouth 16 is used for adding additive,
Profile bar 19 carries out secondary agitation to raw material afterwards.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (8)
1. a kind of general environmentally friendly material for water treatment processing unit (plant), including crush box（1）, the first blending bin（2）With the second blending bin
（3）, it is characterised in that：The crush box（1）Upper end is provided with feeding mouth（5）；The feeding mouth（5）Left upper end is provided with draw ring
（22）；The crush box（1）Inner hub location is provided with the second rotating shaft（7）；Second rotating shaft（7）It is evenly arranged with if
Dry crushing knife（6）, second rotating shaft（7）Lower end is provided with curved screen（8）, the crush box（1）Underface is provided with
First blending bin（2）；First motor（9）Right center position is vertically installed with the 3rd rotating shaft（10）；First mixing
Case（2）The internal left and right sides is provided with supersonic generator（15）, first blending bin（2）Lower left, which is provided with, carries material pump
（11）；It is described to carry material pump（11）Right side is provided with haul pipe（12）, haul pipe（12）Right side is fixed in the second blending bin（3）Upper left
Side, second blending bin（3）Left upper end is provided with adding mouth（16）, second blending bin（3）Upper end center position is affixed
There is the second motor（20）；Second motor（20）Lower central position is connected with the 4th rotating shaft（18）；4th rotating shaft
（18）On be evenly arranged with several profile bars（19）, second blending bin（3）Underface is provided with conveyer belt（13）；It is described
Second blending bin（3）Upper right side is connected with pressure gauge（17）, the expansion box（4）Internal lower right is connected with air pump（23）；Institute
State air pump（23）Upper end is connected with tracheae（24）, tracheae（24）Upper end is fixed in the second blending bin（3）Upper right side.
2. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1 and preparation method, it is characterised in that：
The feeding mouth（5）Right side is provided with first rotating shaft（21）.
3. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1, it is characterised in that：Described first is mixed
Mould assembling（2）Left side is provided with the first motor（9）.
4. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1, it is characterised in that：The feeding mouth
（5）Outer end is provided with valve, regulates and controls the inlet amount of unit interval.
5. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1, it is characterised in that：First electricity
Machine（9）With the second motor（20）It is the explosion-proof electric machine of multistage frequency conversion.
6. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1, it is characterised in that：Described 3rd turn
Axle（10）On be evenly arranged with several stirring bars（14）.
7. the general environmentally friendly material for water treatment processing unit (plant) of one kind according to claim 1, it is characterised in that：Described second is mixed
Mould assembling（3）Right side is provided with expansion box（4）.
A kind of 8. general environmentally friendly water process material preparation method, it is characterised in that：Comprise the following steps：
User holds draw ring（22）Pass through first rotating shaft（21）Open feeding mouth（5）, material is put into crush box（1）In, it
Second rotating shaft afterwards（7）Drive crushing knife（6）To crush box（1）Internal raw material is crushed, and the particle after crushing passes through sieve bend
Net（8）Fall, particle falls into the first blending bin（2）In after, by the first motor（9）Pass through the 3rd rotating shaft（10）Drive stirring bar
（14）It is stirred well mixed, while utilizes supersonic generator（15）Generation ultrasound-enhanced mixed effect, mixing are completed
Afterwards by carrying material pump（11）Compound is passed through into haul pipe（12）Transport to the second blending bin（3）In, while adding mouth（16）With
To add additive, profile bar afterwards（19）Secondary agitation is carried out to raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703209.8A CN107398226A (en) | 2017-08-16 | 2017-08-16 | A kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703209.8A CN107398226A (en) | 2017-08-16 | 2017-08-16 | A kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107398226A true CN107398226A (en) | 2017-11-28 |
Family
ID=60397789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710703209.8A Pending CN107398226A (en) | 2017-08-16 | 2017-08-16 | A kind of general environmentally friendly material for water treatment processing unit (plant) and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107398226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498692A (en) * | 2017-08-16 | 2017-12-22 | 广东海翔教育科技有限公司 | A kind of environmentally friendly composite fire-proof wall material processing unit (plant) and preparation method |
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|---|---|---|---|---|
| EP2679087A1 (en) * | 2011-02-21 | 2014-01-01 | Talleres Martinez Gutierrez, S.L.U. | Device for mincing and mixing vegetable products |
| CN203764355U (en) * | 2014-04-04 | 2014-08-13 | 丹阳市正大油脂有限公司 | Efficient crushing and mixing device |
| CN205361120U (en) * | 2016-01-12 | 2016-07-06 | 漯河医学高等专科学校 | Agitating unit for biochemical reagents |
| CN205517545U (en) * | 2016-03-17 | 2016-08-31 | 陈亚红 | Chemical industry drum -type secondary mixer |
| CN206404761U (en) * | 2017-01-04 | 2017-08-15 | 广州多力多化学有限公司 | A kind of defoamer diluting reaction kettle |
-
2017
- 2017-08-16 CN CN201710703209.8A patent/CN107398226A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2679087A1 (en) * | 2011-02-21 | 2014-01-01 | Talleres Martinez Gutierrez, S.L.U. | Device for mincing and mixing vegetable products |
| CN203764355U (en) * | 2014-04-04 | 2014-08-13 | 丹阳市正大油脂有限公司 | Efficient crushing and mixing device |
| CN205361120U (en) * | 2016-01-12 | 2016-07-06 | 漯河医学高等专科学校 | Agitating unit for biochemical reagents |
| CN205517545U (en) * | 2016-03-17 | 2016-08-31 | 陈亚红 | Chemical industry drum -type secondary mixer |
| CN206404761U (en) * | 2017-01-04 | 2017-08-15 | 广州多力多化学有限公司 | A kind of defoamer diluting reaction kettle |
Non-Patent Citations (1)
| Title |
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| 孟胜男等: "《药剂学》", 31 January 2016 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498692A (en) * | 2017-08-16 | 2017-12-22 | 广东海翔教育科技有限公司 | A kind of environmentally friendly composite fire-proof wall material processing unit (plant) and preparation method |
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Application publication date: 20171128 |