CN112570423B - Preparation method of impervious concrete - Google Patents

Preparation method of impervious concrete Download PDF

Info

Publication number
CN112570423B
CN112570423B CN202011342243.5A CN202011342243A CN112570423B CN 112570423 B CN112570423 B CN 112570423B CN 202011342243 A CN202011342243 A CN 202011342243A CN 112570423 B CN112570423 B CN 112570423B
Authority
CN
China
Prior art keywords
water
wall
guide
cleaning
base frame
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.)
Active
Application number
CN202011342243.5A
Other languages
Chinese (zh)
Other versions
CN112570423A (en
Inventor
丁怿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bijie Yuanda Novel Environmental Protection Building Material Group Co ltd
Original Assignee
Bijie Yuanda Novel Environmental Protection Building Material Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bijie Yuanda Novel Environmental Protection Building Material Group Co ltd filed Critical Bijie Yuanda Novel Environmental Protection Building Material Group Co ltd
Priority to CN202011342243.5A priority Critical patent/CN112570423B/en
Publication of CN112570423A publication Critical patent/CN112570423A/en
Application granted granted Critical
Publication of CN112570423B publication Critical patent/CN112570423B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/0048Fibrous materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02Treatment
    • C04B20/026Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a preparation method of impervious concrete, which uses fiber cleaning equipment, wherein the fiber chopping equipment comprises a base frame, a fixed extrusion device and a cleaning and material guiding device, wherein the fixed extrusion device is arranged on the inner wall of the upper end of the base frame, and the cleaning and material guiding device is arranged at the left end of the base frame; the invention removes most cavities in the fiber cluster by repeatedly rolling and pulling the flattened waste fiber cluster, thereby cleaning dust in the fiber cluster and removing crushed sundries, thereby solving the problem that the fiber cluster is difficult to clean.

Description

Preparation method of impervious concrete
Technical Field
The invention relates to the technical field of concrete preparation, in particular to a preparation method of impervious concrete.
Background
Fiber concrete is a general term for composite materials composed of fibers and cement base materials (set cement, mortar or concrete). The main disadvantages of set cement, mortar and concrete are: the fiber has low tensile strength, small ultimate elongation and crisp property, and can overcome the defects by adding the fiber with high tensile strength, large ultimate elongation and good alkali resistance. The cement-based composite material which is composed of cement paste, mortar or concrete as a base material and fiber as a reinforcing material is called fiber concrete, and the fiber concrete has better impermeability and tensile strength than common concrete.
The method has the following problems that firstly, because the waste fibers are often wound together and contain more cavities inside, dust is hidden in the waste fibers and is difficult to clean, and meanwhile, part of fragile impurities are stuck in fiber clusters and are difficult to clean; the two pairs of waste fibers are difficult to effectively fix in the cleaning process, and convenient blanking is difficult to carry out after the waste fibers are effectively fixed, so that the fibers are difficult to clean.
Disclosure of Invention
The invention aims to provide a preparation method of impervious concrete, which has the advantages of flattening fiber clusters, pulling and cleaning, flushing and blanking by water power and the like and solves the problems.
A preparation method of impervious concrete uses fiber cleaning equipment, the fiber cleaning equipment comprises a base frame, a fixed extrusion device and a cleaning and material guiding device, and the process for treating waste fibers by adopting the fiber cleaning equipment further comprises the following steps:
s1, cleaning: cleaning and compressing the collected waste fibers by fiber cleaning equipment;
s2, shredding: carrying out chopping operation on the cleaned waste fibers in a manual or mechanical auxiliary mode;
s3, screening: selecting the chopped waste fibers, and carrying out secondary chopping treatment on the fibers which do not meet the size requirement;
s4, mixing and stirring: mixing the chopped waste fibers with concrete materials and then uniformly stirring;
a fixed extrusion device is arranged on the inner wall of the upper end of the base frame, and a cleaning and material guiding device is arranged at the left end of the base frame; the fixed extrusion device forks the waste fiber clusters to fix the waste fiber clusters, flattens the waste fiber clusters, washes the waste fiber clusters by the cleaning and material guiding device, and assists the blanking of the fiber clusters through water power.
The fixed extrusion device comprises a driving air cylinder, a lifting block, a sliding ring frame, a forking fixing mechanism, a guide inclined block and a water filtering screen, wherein the driving air cylinder is arranged on the inner wall of the upper end of a base frame; drive actuating cylinder drive elevator block and feed downwards for fork material fixed establishment is located fixed position, thereby through fork material fixed establishment with abandonment fibre group fork tensile flat back, rethread elevator block feeds downwards, thereby flattens abandonment fibre group completely, and extrudees the breakage with the fragility debris wherein, makes inside debris better by washing the separation. The water filtering screen enables the impurities and the water to be guided to the water storage tank through the water filtering screen.
The fork material fixing mechanism comprises a driving motor, a rotating disc, a track arc plate, a guide groove, a sliding rod, a fork material sharp rod and a reset spring, wherein the driving motor is arranged on the inner wall of the upper end of a motor cavity through a motor base; the driving motor drives the rotating disc to rotate, so that the fork material sharp rod is driven to be opened outwards through the matching of the track arc plate, the guide groove and the sliding rod, the abandoned fiber group is forked, when the track arc plate is separated from the fork material sharp rod, the reset spring drives the fork material sharp rod to reset, so that when the abandoned fiber group is flattened, the rotating disc rotates and rolls the fiber group, the fork material sharp rod also reciprocates to open and close, and the sundries in the fiber group are shaken and separated.
Wash the guide device include material loading frame seat, the drive water pump, filter screen cloth, the drinking-water pipe, wash the mouth, aqueduct and water conservancy unloading mechanism, base frame left end is provided with material loading frame seat, the drive chamber has been seted up in the material loading frame seat, be provided with the drive water pump on the drive chamber lower extreme inner wall, the drive water pump right-hand member is provided with the drinking-water pipe, the drinking-water pipe is linked together with the aqua storage tank, material loading frame seat right-hand member is provided with filter screen cloth, seted up on the inner wall of material loading frame seat lower extreme and washed the mouth, the drive water pump is linked together through aqueduct and washing mouth, be provided with water conservancy unloading mechanism around the base frame between the inner wall of both ends. The drive water pump will be through drinking-water pipe with water from the aqua storage tank from cyclic utilization, filter screen prevents that debris from getting into the drive water pump, and the drive water pump is derived water from washing the mouth to wash the fibre of drainage screen upper end, after fork material sharp pole and fibre group separation, can also be through the unloading of the supplementary fibre group of water conservancy, water conservancy unloading mechanism washes the fibre group, and makes fibre group and fork material sharp pole separation.
As a preferable scheme of the invention, the upper end surface of the material guiding inclined block is of a structure inclined from top to bottom from outside to inside.
As a preferable scheme of the invention, the fork material sharp rod is of an L-shaped inclined rod structure.
As a preferred scheme of the invention, the hydraulic blanking mechanism comprises a water guide ring frame, folding corrugated pipes and a material flushing channel, wherein the water guide ring frame is arranged between the inner walls of the front end and the rear end of the base frame, a driving water pump is connected with the water guide ring frame through a connecting pipeline, the folding corrugated pipes are uniformly arranged at the lower end of the water guide ring frame, and the material flushing channel is arranged in the fork material sharp rod. The driving water pump leads water out of the material flushing channel through the water guide ring frame folding corrugated pipe, so that the fiber clusters are flushed when the material forking sharp rod is opened and closed in a reciprocating mode, and the fiber clusters are separated from the material forking sharp rod through water power when the material forking sharp rod is closed during material discharging.
As a preferred scheme of the invention, a water guide cavity is formed in the water guide ring frame and is communicated with the material flushing channel through a folding corrugated pipe.
As a preferable scheme of the invention, the inner wall of the lower end of the feeding frame seat is of a structure inclined from top to bottom from left to right.
(III) advantageous effects
1. The invention removes most cavities in the fiber cluster by repeatedly rolling and pulling the flattened waste fiber cluster, thereby cleaning dust in the fiber cluster and removing crushed sundries, thereby solving the problem that the fiber cluster is difficult to clean.
2. According to the invention, the water is recycled from the water storage tank through the water pumping pipe, the filtering screen prevents impurities from entering the driving water pump, the driving water pump guides water out of the flushing port, so that fibers at the upper end of the water filtering screen are flushed, when the fiber mass is separated from the fork tip rod, the blanking of the fiber mass can be assisted through water power, and the fiber mass is flushed by the water power blanking mechanism and separated from the fork tip rod.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention for preparing impervious concrete;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along section B-B of FIG. 2 in accordance with the present invention;
FIG. 5 is an enlarged view of a portion I of FIG. 3 in accordance with the present invention;
FIG. 6 is a schematic structural view of a fork fixing mechanism of the present invention;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a method for preparing impervious concrete uses a fiber cleaning apparatus, the fiber cleaning apparatus includes a base frame 1, a fixed extrusion device 2 and a cleaning and guiding device 3, and a process for treating waste fibers by using the fiber cleaning apparatus further includes the following steps:
s1, cleaning: cleaning and compressing the collected waste fibers by fiber cleaning equipment;
s2, shredding: carrying out chopping operation on the cleaned waste fibers in a manual or mechanical auxiliary mode;
s3, screening: selecting the chopped waste fibers, and carrying out secondary chopping treatment on the fibers which do not meet the size requirement;
s4, mixing and stirring: mixing the chopped waste fibers with concrete materials and then uniformly stirring;
a fixed extrusion device 2 is arranged on the inner wall of the upper end of the base frame 1, and a cleaning and material guiding device 3 is arranged at the left end of the base frame 1; the fixed extrusion device 2 forks the waste fiber clusters for fixation, flattens the waste fiber clusters, washes the waste fiber clusters by the cleaning and guiding device 3, and assists the blanking of the fiber clusters through water power.
The fixed extrusion device 2 comprises a driving cylinder 21, a lifting block 22, a sliding ring frame 23, a forking fixing mechanism 24, a guide inclined block 25 and a water filtering screen 26, wherein the driving cylinder 21 is arranged on the inner wall of the upper end of the base frame 1, the lifting block 22 is arranged at the lower end of the driving cylinder 21, the sliding ring frame 23 is connected with the lifting block 22 in a sliding mode, a motor cavity is formed in the lifting block 22, the forking fixing mechanism 24 is arranged on the inner wall of the upper end of the motor cavity, a water storage tank is arranged at the lower end of the base frame 1, the guide inclined blocks 25 are symmetrically arranged on the front side and the rear side of the inner wall of the lower end of the water storage tank, and the water filtering screen 26 is erected between the guide inclined blocks 25; the upper end surface of the material guide inclined block 25 is of a structure inclined from top to bottom from outside to inside. Drive actuating cylinder 21 drive elevator block 22 and feed downwards for fork material fixed establishment 24 is located fixed position, thereby crosses the tensile flat back of abandonment fibre group through fork material fixed establishment 24, and rethread elevator block 22 feeds downwards, thereby flattens abandonment fibre group completely, and extrudees the breakage with the fragile debris wherein, makes inside debris better by washing the separation. The water filtering screen 26 allows debris and moisture to be directed through the water filtering screen 26 to the sump.
The material forking fixing mechanism 24 comprises a driving motor 241, a rotating disc 242, a track arc plate 243, a guide groove 244, a sliding rod 245, a material forking sharp rod 246 and a return spring 247, wherein the driving motor 241 is arranged on the inner wall of the upper end of a motor cavity through a motor base, the rotating disc 242 is arranged on the inner wall of the lower end of the lifting block 22 through a bearing, the output end of the driving motor 241 is connected with the rotating disc 242 through a coupler, the track arc plate 243 is uniformly arranged on the outer annular surface of the rotating disc 242 along the circumferential direction, the guide groove 244 is uniformly arranged at the lower end of the sliding ring frame 23 along the circumferential direction, the sliding rod 245 is erected between two side walls of the guide groove 244, the material forking sharp rod 246 is connected with the sliding rod 245 in a sliding manner, and the return spring 247 is arranged at the outer end of the material forking sharp rod 246; the fork material sharp rod 246 is of an L-shaped inclined rod structure. The driving motor 241 drives the rotating disc 242 to rotate, thereby the cooperation through orbit arc plate 243, guide way 244 and slide bar 245 drives the fork material sharp rod 246 to open outwards, thereby the abandonment fibre group is forked up, when orbit arc plate 243 breaks away from with fork material sharp rod 246, reset spring 257 drives fork material sharp rod 246 and resets, thereby when flattening the abandonment fibre group, rotating disc 252 rotates the fibre group and rolls, fork material sharp rod 246 also reciprocates and opens and shuts, thereby shake the separation with the debris in the fibre group.
Cleaning guide device 3 include material loading frame seat 31, drive water pump 32, filter screen 33, drinking-water pipe 34, wash mouthful 35, aqueduct 36 and water conservancy unloading mechanism 37, 1 left end of base frame is provided with material loading frame seat 31, it has the drive chamber to open in the material loading frame seat 31, be provided with drive water pump 32 on the inner wall of drive chamber lower extreme, drive water pump 32 right-hand member is provided with drinking-water pipe 34, drinking-water pipe 34 is linked together with the aqua storage tank, material loading frame seat 31 right-hand member is provided with filter screen 33, wash mouthful 35 has been seted up on the inner wall of material loading frame seat 31 lower extreme, drive water pump 32 is linked together through aqueduct 36 and wash mouthful 35, be provided with water conservancy unloading mechanism 37 between the inner wall of base frame 1 front and back both ends. The inner wall of the lower end of the feeding frame seat 31 is of a structure inclined from top to bottom from left to right. The water is recycled from the water storage tank through the water pumping pipe 34 by the driving water pump 32, impurities are prevented from entering the driving water pump 32 by the filtering screen 33, the water is led out from the washing port 35 by the driving water pump 32, so that the fibers at the upper end of the water filtering screen 26 are washed, the fiber mass can be fed through water power after the fiber mass is separated from the forking sharp rod 246, and the fiber mass is washed by the water power feeding mechanism 37 and separated from the forking sharp rod 246.
The hydraulic blanking mechanism 37 comprises a water guide ring frame 371, a folding corrugated pipe 372 and a material flushing channel 373, wherein the water guide ring frame 371 is arranged between the inner walls of the front end and the rear end of the base frame 1, the driving water pump 32 is connected with the water guide ring frame 371 through a connecting pipeline, the folding corrugated pipe 372 is evenly arranged at the lower end of the water guide ring frame 371, and the material flushing channel 373 is arranged in the fork material sharp rod 246. A water guide cavity is formed in the water guide ring frame 371, and the water guide cavity is communicated with the material flushing channel 373 through a folding corrugated pipe 372. The water pump 32 is driven to guide water out of the flushing channel 373 through the water guide ring frame 371 and the folding bellows 372, so that the fiber mass is flushed when the forking tine 246 is opened and closed in a reciprocating manner, and the fiber mass is separated from the forking tine 246 through water power when the forking tine 246 is closed in a blanking manner.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The preparation method of the impervious concrete uses a fiber cleaning device, the fiber cleaning device comprises a base frame (1), a fixed extrusion device (2) and a cleaning material guide device (3), and is characterized in that: the process for treating the waste fibers by adopting the fiber cleaning equipment further comprises the following steps:
s1, cleaning operation: cleaning and compressing the collected waste fibers by fiber cleaning equipment;
s2, shredding: carrying out chopping operation on the cleaned waste fibers in a manual or mechanical auxiliary mode;
s3, screening: selecting the chopped waste fibers, and carrying out secondary chopping treatment on the fibers which do not meet the size requirement;
s4, mixing and stirring: mixing the chopped waste fibers with concrete materials and then uniformly stirring;
a fixed extrusion device (2) is arranged on the inner wall of the upper end of the base frame (1), and a cleaning and material guiding device (3) is arranged at the left end of the base frame (1);
the fixed extrusion device (2) comprises a driving cylinder (21), lifting blocks (22), a sliding ring frame (23), a fork material fixing mechanism (24), guide inclined blocks (25) and a water filtering screen (26), wherein the driving cylinder (21) is arranged on the inner wall of the upper end of a base frame (1), the lifting blocks (22) are arranged at the lower end of the driving cylinder (21), the sliding ring frame (23) is connected with the lifting blocks (22) in a sliding mode, a motor cavity is formed in the lifting blocks (22), the fork material fixing mechanism (24) is arranged on the inner wall of the upper end of the motor cavity, a water storage tank is formed at the lower end of the base frame (1), the guide inclined blocks (25) are symmetrically arranged on the inner wall of the lower end of the water storage tank in the front and back directions, and the water filtering screen (26) is erected between the guide inclined blocks (25);
the fork material fixing mechanism (24) comprises a driving motor (241), a rotating disc (242), a track arc plate (243), a guide groove (244), a sliding rod (245), a fork material sharp rod (246) and a return spring (247), the driving motor (241) is arranged on the inner wall of the upper end of the motor cavity through a motor base, the rotating disc (242) is arranged on the inner wall of the lower end of the lifting block (22) through a bearing, the output end of the driving motor (241) is connected with the rotating disc (242) through a coupler, track arc plates (243) are uniformly arranged on the outer ring surface of the rotating disc (242) along the circumferential direction, guide grooves (244) are uniformly formed in the lower end of the sliding ring frame (23) along the circumferential direction, sliding rods (245) are erected between two side walls of the guide grooves (244), the fork material sharp rod (246) is connected with the sliding rods (245) in a sliding mode, and a reset spring (247) is arranged at the outer end of the fork material sharp rod (246);
cleaning guide device (3) including material loading frame seat (31), drive water pump (32), filter screen (33), drinking-water pipe (34), wash mouth (35), aqueduct (36) and water conservancy unloading mechanism (37), base frame (1) left end is provided with material loading frame seat (31), it drives the chamber to have seted up in material loading frame seat (31), be provided with drive water pump (32) on the inner wall of drive chamber lower extreme, drive water pump (32) right-hand member is provided with drinking-water pipe (34), drinking-water pipe (34) are linked together with the aqua storage tank, material loading frame seat (31) right-hand member is provided with filter screen (33), wash mouth (35) have been seted up on material loading frame seat (31) lower extreme inner wall, drive water pump (32) are linked together through aqueduct (36) and wash mouth (35), be provided with water conservancy unloading mechanism (37) around base frame (1) between the both ends inner wall.
2. The method of preparing an impervious concrete according to claim 1, wherein: the upper end surface of the material guide inclined block (25) is of a structure inclined from top to bottom from outside to inside.
3. The method of preparing an impervious concrete according to claim 1, wherein: the fork material sharp rod (246) is of an L-shaped inclined rod structure.
4. The method of preparing an impervious concrete according to claim 1, wherein: the hydraulic blanking mechanism (37) comprises a water guide ring frame (371), folding corrugated pipes (372) and a material flushing channel (373), wherein the water guide ring frame (371) is arranged between the inner walls of the front end and the rear end of the base frame (1), a driving water pump (32) is connected with the water guide ring frame (371) through a connecting pipeline, the lower end of the water guide ring frame (371) is uniformly provided with the folding corrugated pipes (372), and the material flushing channel (373) is arranged in a material forking sharp rod (246).
5. The method for preparing an impervious concrete according to claim 4, wherein the method comprises the following steps: a water guide cavity is formed in the water guide ring frame (371), and the water guide cavity is communicated with the material flushing channel (373) through a folding corrugated pipe (372).
6. The method of preparing an impervious concrete according to claim 1, wherein: the inner wall of the lower end of the feeding frame seat (31) is of a structure inclined from top to bottom from left to right.
CN202011342243.5A 2020-11-25 2020-11-25 Preparation method of impervious concrete Active CN112570423B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011342243.5A CN112570423B (en) 2020-11-25 2020-11-25 Preparation method of impervious concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011342243.5A CN112570423B (en) 2020-11-25 2020-11-25 Preparation method of impervious concrete

Publications (2)

Publication Number Publication Date
CN112570423A CN112570423A (en) 2021-03-30
CN112570423B true CN112570423B (en) 2022-05-13

Family

ID=75123464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011342243.5A Active CN112570423B (en) 2020-11-25 2020-11-25 Preparation method of impervious concrete

Country Status (1)

Country Link
CN (1) CN112570423B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238516B1 (en) * 1991-02-14 2001-05-29 Dana L. Watson System and method for cleaning, processing, and recycling materials
US6378179B1 (en) * 2001-01-05 2002-04-30 Gary F. Hirsch System and method for reconstituting fibers from recyclable waste material
EP3710212A2 (en) * 2017-11-13 2020-09-23 Bbf Ip B.V. Method and device for producing a ribbon and a thread of bamboo fiber
CN110587812B (en) * 2019-10-16 2020-11-17 邢台建工商品混凝土有限公司 Concrete preparation method
CN110743843B (en) * 2019-10-17 2022-02-22 自贸区钦州港片区爱萌生命科学研究院 Animal fiber cleaning equipment
CN111704417B (en) * 2020-07-21 2022-06-07 恩平市建安混凝土搅拌有限公司 Preparation method of ultrahigh-strength concrete

Also Published As

Publication number Publication date
CN112570423A (en) 2021-03-30

Similar Documents

Publication Publication Date Title
CN112570423B (en) Preparation method of impervious concrete
CN111773809B (en) Silk cleaning wastewater purification device for textile production
CN112661212B (en) Floating garbage salvaging device for sewage treatment
CN209871970U (en) Yarn production is with removing wadding device
CN216574604U (en) A textile waste recovery device for changing fibre web processing
CN108159937B (en) Paper pulp stirring filtration equipment with multiple stirring mode
CN215352217U (en) Concrete material water separating and filtering device
CN113774598A (en) Weaving waste material processingequipment for textile production
CN214600530U (en) Conductor cleaning device for cable manufacturing
CN210287621U (en) High-efficient opener
CN220812709U (en) Silkworm cocoon cleaning device
CN112243941A (en) Household fish tank water purification system convenient to clean
CN210117456U (en) Light silk cocoon soak device for spinning raw materials processing
CN111330693A (en) Textile waste treatment device
CN218794774U (en) Cotton fibre recovery processing device for spinning polyester yarn production
CN214992025U (en) High-efficient hierarchical washing unit of cashmere production
CN215962614U (en) Down adsorption and separation device for down jacket production
CN220696984U (en) Waste cotton cleaning device of cleaning machine
CN216103156U (en) Different fine machine with packing function
CN215964106U (en) Quick belt cleaning device of fine iron powder raw materials
CN220685358U (en) Roving frame with automatic cleaning mechanism
CN217773368U (en) Filtering circulation device of multipurpose high-efficiency washing machine
CN215481930U (en) Special paper pulp device for processing paper with filtering effect
CN214736224U (en) Nanometer antibacterial composite cashmere raw material cleaning device
CN218360683U (en) Quick screening plant of tiny particle quartz sand

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20220426

Address after: 551700 shangjiazhai village, Bihai sub district office, qixingguan District, Bijie City, Guizhou Province

Applicant after: BIJIE YUANDA NOVEL ENVIRONMENTAL PROTECTION BUILDING MATERIAL (Group) Co.,Ltd.

Address before: 210044 No. 219, Ning six road, Nanjing, Jiangsu

Applicant before: Ding Yi

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant