CN109433579A - A kind of fixed-end forces equipment - Google Patents
A kind of fixed-end forces equipment Download PDFInfo
- Publication number
- CN109433579A CN109433579A CN201811339633.XA CN201811339633A CN109433579A CN 109433579 A CN109433579 A CN 109433579A CN 201811339633 A CN201811339633 A CN 201811339633A CN 109433579 A CN109433579 A CN 109433579A
- Authority
- CN
- China
- Prior art keywords
- rotary screen
- slurry
- thickener
- cement
- grinder
- 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
Links
- 239000004568 cement Substances 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 69
- 239000002562 thickening agent Substances 0.000 claims abstract description 32
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 7
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- -1 rotary screen Substances 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000010276 construction Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of fixed-end forces equipment, for the processing of concrete waste material, including rotary screen, slurry storehouse, mortar pump, thickener, grinder, in which: rotary screen is used for the clean stripping of adhered to cement in concrete waste material and the cement stripped down is made to form cement slurry；Slurry storehouse is arranged below rotary screen, and slurry storehouse is used for the storage of cement slurry；The import of mortar pump is connected with slurry storehouse, and the outlet of mortar pump is connected with thickener, and mortar pump is used to the cement slurry in slurry storehouse pumping to thickener；Thickener is connected with mortar pump and rotary screen, and thickener is used for the concentration of cement slurry, and the waste water separated in concentration is transmitted to rotary screen and transmits cement slurry after concentration to grinder by thickener；Grinder is connected with thickener, and the grinding of cement slurry is so that the solid particle contained in cement slurry forms fresh activity section after grinder is used to be concentrated.The present invention can prevent the pollution of the environment and resource recycling, saves production cost.
Description
Technical field
The present invention relates to engineering machinery fields, more specifically, in particular to a kind of fixed-end forces equipment.
Background technique
With the development of Chinese science technology, China Construction Machinery enters completely new field, especially concreting machinery
Development be greatly improved.It is artificial that concreting machinery is that a kind of machine replaces, and cement, river sand, rubble, water etc. are pressed
It is stirred according to certain proportion cooperation, produces the mechanical equipment of concrete needed for architectural engineering production operation.In
The development of state's mechanical technique, concreting machinery using increasingly extensive, greatly ensured highway construction, the railway of China regions
Construction, real estate construction, power infrastructures construction and rail traffic infrastructure construction, have been greatly facilitated China's economic
Development.Common concreting machinery generally comprises concrete mixing plant, concrete mixing and transporting car, concrete spraying vehicle etc..
Wherein, concrete mixing plant is the important equipment for realizing concrete for making.
During concrete for making, it is often necessary to mix cement, river sand, rubble, water etc., then be fabricated to coagulation
Soil is simultaneously transported by concrete mixing and transporting car to construction site.After the completion of concrete for making, to prevent concrete coagulation from causing
It is blocked inside concrete mixing plant and concrete mixing and transporting car, it is often necessary in time that these concrete washings are clean.It is existing
In technology, due to lacking the recycling equipment specifically for concrete, concrete mixing plant and concrete stirring and washing process
The waste water and dregs of middle generation often direct emission, in this way, causing great environmental pollution.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fixed-end forces equipment, which passes through its structure
Design, can effectively realize the processing of generated waste water and dregs in concrete washing, can prevent the pollution of the environment and provide
Source recycles, and saves production cost.
A kind of fixed-end forces equipment, for the processing of concrete waste material, including rotary screen, slurry storehouse, mortar pump, concentration
Machine, grinder, in which:
The rotary screen is used for the clean stripping of adhered to cement in concrete waste material and forms the cement stripped down
Cement slurry；
The slurry storehouse is arranged below the rotary screen, and the slurry storehouse is for produced water in concrete waste material cleaning
The storage of mud；
The import of the mortar pump is connected with the slurry storehouse, and the outlet of the mortar pump is connected with the thickener
It connects, the mortar pump is used to the cement slurry in the slurry storehouse pumping to the thickener；
The thickener is connected with the mortar pump and the rotary screen, and the thickener is used for the concentration of cement slurry,
And the waste water separated in concentration is transmitted to the rotary screen and passes cement slurry after concentration to the grinder by the thickener
It is defeated；
The grinder is connected with the thickener, and the grinding of cement slurry is so that cement after the grinder is used to be concentrated
The solid particle contained in slurry forms fresh activity section.
Preferably, the rotary screen is provided at least two layers.
Preferably, the rotary screen is inclined to set, and the rotary screen angle with horizontal plane is 30 degree to 60 degree.
Preferably, the high-end lower section of the rotary screen is provided with sandstone storehouse, is provided with fine sand storehouse below the rotary screen middle-end,
It is provided with slurry storehouse below the rotary screen low side, concrete waste material to be processed inputs from the rotary screen low side and by the rolling
Shaft screen drives the cleaning that scrolls up.
Preferably, diaphragm pump is provided between the grinder and the thickener.
Preferably, the grinder rear is connected with end product pool.
Preferably, it is provided with bubble between the grinder and the end product pool and washes one's hair pump.
Preferably, the end product pool rear is provided with screw pump, and the screw pump is connected with external mixing plant.
The beneficial effects of the present invention are: the fixed-end forces equipment provided by the invention is when it is implemented, can be by concrete
Cement in waste material is effectively separated, and deactivated cement is ground, and grinds partial size by control, makes water
Solid particle in mud forms enough fresh sections to improve its surface-active, in this way, can will treated cement
Slurry is returned directly to mixing plant and uses as cement additive, has not only effectively reduced the discharge amount of slag and effluent, but also be able to achieve money
The recycling in source.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the overall structure diagram of fixed-end forces equipment disclosed in the embodiment of the present invention.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.
Based on the embodiment in the application, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that, the instructions such as term " high-end ", " middle-end ", " low side ", " lower section "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
A kind of specific embodiment of fixed-end forces equipment of the present invention is provided referring to Fig. 1, Fig. 1, wherein Fig. 1 is the present invention
The overall structure diagram of fixed-end forces equipment disclosed in embodiment.
As shown in Figure 1, the fixed-end forces equipment provided by the invention is used for the processing of concrete waste material, which is set
Standby includes rotary screen 1, slurry storehouse 2, mortar pump 3, thickener 4, grinder 5, sandstone storehouse 6, fine sand storehouse 7, diaphragm pump 8, end product pool
9, bubble washes one's hair pump 10, screw pump 11.
In the present solution, rotary screen 1 is used for the clean stripping of adhered to cement in concrete waste material and makes the water stripped down
Mud forms cement slurry.It specifically, is to improve cleaning separating effect, rotary screen 1 provided by the invention is provided with two layers and inclined
Setting, and 1 angle with horizontal plane of rotary screen is 45 degree.
In the present embodiment, the high-end lower section of rotary screen 1 is provided with sandstone storehouse 6, and sandstone storehouse 6 is for institute in concrete waste material cleaning
The collection for the sandstone isolated stores.Fine sand storehouse 7 is provided with below 1 middle-end of rotary screen, fine sand storehouse 7 is cleaned for concrete waste material
In it is separated go out fine sand collection storage.Slurry storehouse 2 is provided with below 1 low side of rotary screen, slurry storehouse 2 is used for concrete waste material
Separated cement out is formed by the collection storage of cement slurry, specifically, the part together with little particle fine sand, water in cleaning
Cement slurry is made of little particle fine sand, cement and water.
In 1 concrete operations of rotary screen, concrete waste material to be processed inputs from 1 low side of rotary screen and by the rotary screen
1 drives and scrolls up cleaning, and slag and effluent from lower enters rotary screen 1 and by clear water flushing, rotary screen 1 have 1/4th or
In 1/3rd embedment water, 1 important function of rotary screen is exactly that the rolling of sandstone is driven using roller, will be adhered to the solidifying of sandstone surface
The removing of solid water mud washes down, and sandstone, which passes through, carries out classification processing after 1 classification of rotary screen is handled, in sandstone storehouse 6 and fine sand storehouse 7
Barren rock, useless sand then can use spiral propeller and promotes the material accumulation point storage processing specified to outside, cement granules object with
And largely less than 2 millimeters fine sands below are then poured by water to being recycled in slurry storehouse 2.
In the present solution, the import of mortar pump 3 is connected with the slurry storehouse 2, the outlet and the concentration of the mortar pump 3
Machine 4 is connected, and the mortar pump 3 is used to the cement slurry in the slurry storehouse 2 pumping to the thickener 4.Specifically, of the invention
In view of the particularity of cement slurry, mortar pump is specially specially designed here, can efficiently be conveyed using mortar pump containing thin
The characteristic of the corrosive media of grain, further increases the stability of equipment.
In the present solution, thickener 4 is connected with the mortar pump 3 and the rotary screen 1, the thickener 4 is used for cement
The concentration of slurry, and the thickener 4 by the waste water separated in concentration transmitted to the rotary screen 1 and will after concentration cement slurry to institute
State the transmission of grinder 5.That is, cement slurry is concentrated by thickener 4 by the present invention, on the one hand, can separate water into
Out for realizing the recycling of water resource used in concrete waste material cleaning in the process of front；On the other hand, by former water
The low cement slurry of cement content becomes the high cement slurry of cement content, it is ensured that cement slurry reaches the demand of recycling after concentration.
Specifically, thickener 4 can be selected as hydraulic classiciation system, and mortar pump takes out cement slurry with tangential way when use
Entering the cylinder in hydraulic classiciation system, the solid particle contained in cement slurry falls into a bottom since gravity is moved along barrel,
The water contained in cement slurry can then flow out in the middle part of hydraulic classiciation system, re-use into outside.
In the present solution, grinder 5 is connected with the thickener 4, the grinding of cement slurry after the grinder 5 is used to be concentrated
So that the solid particle contained in cement slurry forms fresh activity section.Specifically, in the untreated cement slurry after separation
Solid particle lose surface-active because of original concrete for making aquation, can not reuse, for reach can repeat benefit
Demand, the solid particle in cement slurry is carried out extra-fine grinding by grinder 5 provided by the invention, by the solid in cement slurry
Particulate abrasive is to 2 microns, and after extra-fine grinding, solid particle attenuates and increases many disconnected sections newly, in this way, greatly improving
The surface-active of grain object, thus these treated that cement slurry may return to that mixing plant is used as cement additive.
Further, since the solid particle after grinding in cement slurry is very thin and surface area is big, therefore, add toward external mixing plant
Add one cube of cement slurry processed by the invention that can save 80 kilograms of the dosage of cement, both reduces slag and effluent
Discharge, and cement consumption has been greatly saved, while reducing carbon dioxide caused by manufacture of cement, effectively reduce haze.
Generally speaking, the fixed-end forces equipment provided by the invention is when it is implemented, can be by the water in concrete waste material
Mud is effectively separated, and deactivated cement is ground, and grinds partial size by control, makes the solid in cement
Particle forms enough fresh sections to improve its surface-active, in this way, can will treated that cement slurry directly returns
It is used to mixing plant as cement additive, had not only effectively reduced the discharge amount of slag and effluent, but also be able to achieve the recycling benefit of resource
With.
In the present embodiment, the cement slurry after concentration is pumped into grinder 5 from thickener 4 to further facilitate, it is preferable that institute
It states and is provided with diaphragm pump 8 between grinder 5 and the thickener 4.
In the present embodiment, for the collection storage for further facilitating product water mud, it is preferable that 5 rear of grinder connects
It is connected to end product pool 9.
In the present embodiment, from grinder 5 end product pool 9 is pumped to further facilitate cement slurry after grinding, while preventing foam
It is entrained into end product pool 9, it is preferable that be provided with bubble between the grinder 5 and the end product pool 9 and wash one's hair pump 10.
In the present embodiment, for the transmission for further facilitating the outside portion's mixing plant of product water mud, it is preferable that the end product pool
9 rears are provided with screw pump 11, and the screw pump 11 is connected with external mixing plant.
A kind of fixed-end forces equipment provided by the present invention is described in detail above.It is used herein specifically a
Principle and implementation of the present invention are described for example, and it is of the invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from the principle of the invention
Under the premise of, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the claims in the present invention
Protection scope in.
Claims (8)
1. a kind of fixed-end forces equipment, the processing for concrete waste material, which is characterized in that including rotary screen, slurry storehouse, mortar
Pump, thickener, grinder, in which:
The rotary screen is used for the clean stripping of adhered to cement in concrete waste material and the cement stripped down is made to form cement
Slurry；
The slurry storehouse is arranged below the rotary screen, and the slurry storehouse is for produced cement slurry in concrete waste material cleaning
Storage；
The import of the mortar pump is connected with the slurry storehouse, and the outlet of the mortar pump is connected with the thickener, institute
Mortar pump is stated for the cement slurry in the slurry storehouse to be pumped to the thickener；
The thickener is connected with the mortar pump and the rotary screen, and the thickener is used for the concentration of cement slurry, and institute
Cement slurry after the waste water separated in concentration is transmitted and will be concentrated to the rotary screen by thickener is stated to transmit to the grinder；
The grinder is connected with the thickener, and the grinding of cement slurry is so that in cement slurry after the grinder is used to be concentrated
The solid particle contained forms fresh activity section.
2. fixed-end forces equipment according to claim 1, which is characterized in that the rotary screen is provided at least two layers.
3. fixed-end forces equipment according to claim 1, which is characterized in that the rotary screen is inclined to set, the rolling
Shaft screen angle with horizontal plane is 30 degree to 60 degree.
4. fixed-end forces equipment according to claim 3, which is characterized in that the high-end lower section of rotary screen is provided with sandstone
Storehouse, the rotary screen middle-end lower section are provided with fine sand storehouse, are provided with slurry storehouse, concrete to be processed below the rotary screen low side
Waste material inputs from the rotary screen low side and drives the cleaning that scrolls up by the rotary screen.
5. fixed-end forces equipment according to claim 1, which is characterized in that set between the grinder and the thickener
It is equipped with diaphragm pump.
6. fixed-end forces equipment according to claim 1, which is characterized in that the grinder rear is connected with end product pool.
7. fixed-end forces equipment according to claim 6, which is characterized in that set between the grinder and the end product pool
It is equipped with bubble and washes one's hair pump.
8. fixed-end forces equipment according to claim 6, which is characterized in that the end product pool rear is provided with screw pump,
The screw pump is connected with external mixing plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811339633.XA CN109433579A (en) | 2018-11-12 | 2018-11-12 | A kind of fixed-end forces equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811339633.XA CN109433579A (en) | 2018-11-12 | 2018-11-12 | A kind of fixed-end forces equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109433579A true CN109433579A (en) | 2019-03-08 |
Family
ID=65551648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811339633.XA Pending CN109433579A (en) | 2018-11-12 | 2018-11-12 | A kind of fixed-end forces equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109433579A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354321A (en) * | 2021-06-03 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Method and device for recycling waste slurry water of mixing plant |
| CN113351342A (en) * | 2021-06-03 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Stirring station waste slurry water sectional type grinding recycling process and device thereof |
| CN115090650A (en) * | 2022-06-09 | 2022-09-23 | 丹棱县圳棱混凝土有限公司 | Commercial concrete mixing station waste recovery system and control method thereof |
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|---|---|---|---|---|
| JPH06285454A (en) * | 1993-03-31 | 1994-10-11 | Onoda Cement Co Ltd | Treatment of concrete waste material |
| CN2851258Y (en) * | 2005-07-28 | 2006-12-27 | 广西大都混凝土有限公司 | Reclaiming and reusing device for waste slurry and waste water of concrete |
| CN201596662U (en) * | 2009-11-05 | 2010-10-06 | 杭州科仪传感器有限公司 | System for decomposing, recovering and treating waste concrete |
| CN102206054A (en) * | 2011-04-07 | 2011-10-05 | 上海德滨环保科技有限公司 | Renewable active powder and preparation method thereof |
| CN103406345A (en) * | 2013-08-29 | 2013-11-27 | 平湖南方混凝土制品有限公司 | Comprehensive utilization process of wastewater and waste residues in concrete mixing station |
| CN105753412A (en) * | 2016-03-08 | 2016-07-13 | 湖北工业大学 | Preparation method of low-energy-consumption low-concrete-consumption concrete |
| CN107470011A (en) * | 2017-09-23 | 2017-12-15 | 王伟华 | A kind of concrete gravel separates and recovers equipment |
| CN107935487A (en) * | 2017-11-28 | 2018-04-20 | 山东众森节能材料有限公司 | A kind of method and application using solid waste production functional form material |
-
2018
- 2018-11-12 CN CN201811339633.XA patent/CN109433579A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06285454A (en) * | 1993-03-31 | 1994-10-11 | Onoda Cement Co Ltd | Treatment of concrete waste material |
| CN2851258Y (en) * | 2005-07-28 | 2006-12-27 | 广西大都混凝土有限公司 | Reclaiming and reusing device for waste slurry and waste water of concrete |
| CN201596662U (en) * | 2009-11-05 | 2010-10-06 | 杭州科仪传感器有限公司 | System for decomposing, recovering and treating waste concrete |
| CN102206054A (en) * | 2011-04-07 | 2011-10-05 | 上海德滨环保科技有限公司 | Renewable active powder and preparation method thereof |
| CN103406345A (en) * | 2013-08-29 | 2013-11-27 | 平湖南方混凝土制品有限公司 | Comprehensive utilization process of wastewater and waste residues in concrete mixing station |
| CN105753412A (en) * | 2016-03-08 | 2016-07-13 | 湖北工业大学 | Preparation method of low-energy-consumption low-concrete-consumption concrete |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354321A (en) * | 2021-06-03 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Method and device for recycling waste slurry water of mixing plant |
| CN113351342A (en) * | 2021-06-03 | 2021-09-07 | 中建西部建设建材科学研究院有限公司 | Stirring station waste slurry water sectional type grinding recycling process and device thereof |
| CN113351342B (en) * | 2021-06-03 | 2023-01-24 | 中建西部建设建材科学研究院有限公司 | Stirring station waste slurry water sectional type grinding recycling process and device thereof |
| CN115090650A (en) * | 2022-06-09 | 2022-09-23 | 丹棱县圳棱混凝土有限公司 | Commercial concrete mixing station waste recovery system and control method thereof |
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Effective date of registration: 20211130 Address after: 410000 406, complex building, building 5, China (Changsha) Construction Machinery Industrial Park, No. 78, south section of East 11th Road, Changsha area, China (Hunan) pilot Free Trade Zone, Changsha City, Hunan Province Applicant after: Hunan zhongchuangzhi New Material Co.,Ltd. Address before: 414000 Fangxin village, Ansha Town, Changsha County, Changsha City, Hunan Province Applicant before: CHANGSHA WANRONG MILLING EQUIPMENT CO.,LTD. |
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Application publication date: 20190308 |