CN111844449A - Mixing device convenient for discharging and used for concrete processing - Google Patents
Mixing device convenient for discharging and used for concrete processing Download PDFInfo
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- CN111844449A CN111844449A CN202010730660.0A CN202010730660A CN111844449A CN 111844449 A CN111844449 A CN 111844449A CN 202010730660 A CN202010730660 A CN 202010730660A CN 111844449 A CN111844449 A CN 111844449A
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- rotating shaft
- rod
- gear
- stirring
- stirring tank
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/14—Supply means incorporated in, or mounted on, mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
- B28C7/162—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure
- B28C7/167—Discharge means, e.g. with intermediate storage of fresh concrete by means of conveyors, other than those comprising skips or containers, e.g. endless belts, screws, air under pressure by means of a screw conveyor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a mixing device for processing concrete convenient for blanking, which comprises a stirring tank, wherein a driving mechanism is arranged at the top of the stirring tank, feeding channels are symmetrically formed in the top of the stirring tank and positioned on two sides of the driving mechanism, a discharging channel is formed in the bottom of the stirring tank, and a discharging mechanism is arranged in the discharging channel; through setting up discharge mechanism, first signal ware and second signal ware, realized mixing arrangement's ration row material, avoided not only having practiced thrift the resource because of workman's misoperation leads to the concrete to spill over outside the hopper, reduced workman's working strength moreover.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a mixing device for processing concrete, which is convenient to feed.
Background
Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. The term concrete generally refers to cement as a cementing material and sand and stone as aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering. Concrete mixing is an operation method for uniformly mixing materials such as cement, lime, water and the like, along with the rapid development of the building industry, the demand on concrete is greatly increased, and the concrete needs to be mixed by a special mixing device.
At present, concrete mixing devices on the market usually need workers to manually open a valve to lead concrete out when discharging, but the workers neglect a little and then can lead to concrete to overflow the hopper, thereby not only leading to the waste of concrete resources, but also increasing the working strength of the workers.
Disclosure of Invention
The invention aims to provide a mixing device for concrete processing, which is convenient to feed, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a mixing device convenient for discharging and used for concrete processing comprises a stirring tank, wherein the bottom of the stirring tank is connected with a base through a support column, the top of the stirring tank is provided with a driving mechanism, the top of the stirring tank is positioned at two sides of the driving mechanism and symmetrically provided with feeding channels, the bottom of the stirring tank is provided with a discharging channel, the driving mechanism comprises a driving box, a first gear and a second gear, the first gear is rotatably arranged at the center of the driving box and is driven by a motor arranged at the top of the driving box, the second gear is symmetrically arranged at two sides of the first gear and is meshed with the second gear, a stirring rod and a first rotating shaft are respectively sleeved inside the first gear and the second gear, the stirring rod and the first rotating shaft both penetrate into the stirring tank, a stirring ring is fixedly arranged on the surface of the outer side wall of the stirring rod, a second rotating shaft is arranged in the discharging channel, the outer side wall of the second rotating shaft is fixedly provided with a helical blade, the second rotating shaft is fixedly connected with a stirring rod, the discharging channel is arranged below the second rotating shaft and comprises a baffle, a lead screw, a track rod and a support rod, the baffle is symmetrically hinged on the inner side wall of the discharging channel, the lead screw and the track rod are sequentially arranged in the discharging channel from top to bottom, the lead screw is rotationally connected with the side wall of the discharging channel, the lead screw is driven by a forward and reverse rotating motor arranged on the outer side wall of the discharging channel, a separating block is arranged at the center of the rod body of the lead screw, the screw threads on the screw rod bodies on two sides of the separating block are opposite, the support rods are symmetrically sleeved on the screw rod bodies at two ends of the separating block, the top of each support rod is provided with a fixed ball, the bottom of each support rod is slidably sleeved on the track rod, the bottom surface, the top surface of base is connected with a supporting bench through the telescoping cylinder, the telescoping cylinder overcoat has first spring, the top surface of supporting bench has the layer board through second spring coupling, the elastic force of first spring is far greater than the elastic force of second spring, layer board bottom surface and a supporting bench top surface symmetry are equipped with first annunciator, a supporting bench bottom surface and a base top surface symmetry are equipped with the second annunciator, first annunciator and second annunciator all with positive reverse motor electric connection.
As a further scheme of the invention: the shape of stirring ring is the heliciform, and the material of stirring ring is hardness, stand wear and tear rigid material.
As a further scheme of the invention: the fixed first scraper blade that is equipped with in bottom of puddler, be equipped with the second scraper blade on the second pivot lateral wall, first scraper blade and second scraper blade all rotate between the inside surface with the agitator tank and be connected.
As a further scheme of the invention: the second scraper blade is the toper structure, and the toper scraper blade is the circumference array and distributes on the lateral wall of second pivot.
As a further scheme of the invention: the bottom of feedstock channel is equipped with the third pivot, the surface of third pivot is equipped with the guide bar, and the third pivot runs through the fixed first helical gear that is equipped with of one end of feedstock channel side, the cover is equipped with the second helical gear with first helical gear engaged with on the body of rod of first pivot.
As a further scheme of the invention: first pivot is the quill shaft, and the bottom of first pivot is equipped with the shunt tubes, evenly distributed is equipped with a plurality of atomizer under the shunt tubes, the side symmetry of agitator tank is equipped with the water tank, the water tank is linked together through the top of water pump and water pipe with first pivot.
As a further scheme of the invention: and protective shells are arranged outside the motor and the forward and reverse rotating motor.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by arranging the discharging mechanism, the first annunciator and the second annunciator, when the first annunciator is contacted, the discharging mechanism is opened, and when the first annunciator is contacted with the second annunciator simultaneously, the discharging mechanism is closed, so that quantitative discharging of the mixing device is realized, and concrete is prevented from overflowing out of the hopper due to improper operation of workers.
2. According to the invention, the driving mechanism is arranged, the motor rotates, the first rotating shaft is meshed with the second gear through the first gear, the third rotating shaft rotates through the meshing of the first helical gear and the second helical gear, and the concrete raw material is smoothly guided into the stirring tank by matching with the material guide rod.
3. According to the invention, the atomizing nozzle is arranged at the bottom of the first rotating shaft, water in the water tank enters the first rotating shaft through the water pump, and is sprayed out of the atomizing nozzle through the flow dividing pipe in cooperation with the rotation of the first rotating shaft, so that the spraying area is further enlarged, the generation of dust during concrete stirring is reduced, and the surrounding environment is protected.
Drawings
Fig. 1 is a schematic view of the overall structure of a mixing device for concrete processing, which facilitates blanking.
Fig. 2 is an enlarged view of a mixing device for concrete processing, which facilitates blanking.
Fig. 3 is an enlarged view of B in a mixing device for concrete processing which facilitates blanking.
Fig. 4 is an enlarged view of C in a mixing apparatus for concrete processing which facilitates blanking.
Fig. 5 is a schematic view showing the connection between the second rotating shaft and the second scraping plate in the mixing device for concrete processing, which facilitates the blanking.
In the figure: 1-stirring tank, 2-supporting column, 3-base, 4-driving mechanism, 5-feeding channel, 6-driving box, 7-first gear, 8-second gear, 9-motor, 10-stirring rod, 11-first rotating shaft, 12-stirring ring, 13-second rotating shaft, 14-helical blade, 15-discharging mechanism, 16-baffle, 17-screw rod, 18-track rod, 19-supporting rod, 20-separating block, 21-fixed ball, 22-supporting table, 23-telescopic cylinder, 24-first spring, 25-second spring, 26-supporting plate, 27-first annunciator, 28-second annunciator, 29-forward and reverse rotating motor, 30-first scraper, 31-second scraper, 32-a third rotating shaft, 33-a material guide rod, 34-a first bevel gear, 35-a second bevel gear, 36-a shunt pipe, 37-an atomizing nozzle and 38-a water tank.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-5, the stirring device comprises a stirring tank 1, the bottom of the stirring tank 1 is connected with a base 3 through a support column 2, the top of the stirring tank 1 is provided with a driving mechanism 4, the top of the stirring tank 1 is positioned at two sides of the driving mechanism 4 and symmetrically provided with feeding channels 5, the bottom of the stirring tank 1 is provided with a discharging channel, the driving mechanism 4 comprises a driving box 6, a first gear 7 and a second gear 8, the first gear 7 is rotatably arranged at the center of the driving box 6, the first gear 7 is driven by a motor 9 arranged at the top of the driving box 6, the second gear 8 is symmetrically arranged at two sides of the first gear 7, the first gear 7 is meshed with the second gear 8, a stirring rod 10 and a first rotating shaft 11 are respectively sleeved inside the first gear 7 and the second gear 8, the stirring rod 10 and the first rotating shaft 11 both penetrate through the stirring tank 1, a stirring ring 12 is fixedly arranged on the surface of the outer side wall of the stirring rod 10, the material discharging device is characterized in that a second rotating shaft 13 is arranged in the material discharging channel, a helical blade 14 is fixedly arranged on the outer side wall of the second rotating shaft 13, the second rotating shaft 13 is fixedly connected with a stirring rod 10, the material discharging channel is arranged below the second rotating shaft 13, the material discharging mechanism 15 comprises a baffle 16, a lead screw 17, a track rod 18 and a supporting rod 19, the baffle 16 is symmetrically hinged on the inner side wall of the material discharging channel, the lead screw 17 and the track rod 18 are sequentially arranged in the material discharging channel from top to bottom, the lead screw 17 is rotatably connected with the side wall of the material discharging channel, the lead screw 17 is driven by a forward and reverse rotating motor 29 arranged on the outer side wall of the material discharging channel, a separating block 20 is arranged at the center of the rod body of the lead screw 17, the screw 17 rod bodies on two sides of the separating block 20 are opposite in thread, the supporting rods 19 are symmetrically sleeved, the bottom of the supporting rod 19 is slidably sleeved on the track rod 18, the bottom surface of the baffle 16 is provided with a ball groove matched with the fixed ball 21, the top surface of the base 3 is connected with a supporting table 22 through a telescopic cylinder 23, the telescopic cylinder 23 is sleeved with a first spring 24, the top surface of the supporting table 22 is connected with a supporting plate 26 through a second spring 25, the elastic force of the first spring 24 is far greater than that of the second spring 25, the bottom surface of the supporting plate 26 and the top surface of the supporting table 22 are symmetrically provided with first annunciators 27, the bottom surface of the supporting table 22 and the top surface of the base 3 are symmetrically provided with second annunciators 28, the first annunciators 27 and the second annunciators 28 are electrically connected with a forward and reverse motor 29, when in use, concrete raw materials are added into the stirring tank 1 through the feeding channel 5, the motor 9 is started, the motor 9 rotates to drive the stirring rod 10 to rotate, and is matched with the stirring ring 12 arranged on, make concrete raw materials homogeneous mixing, after the mixture is accomplished, place the hopper that holds the concrete on brace table 22, under the effect of hopper gravity, first signal ware 27 contact, make positive and negative motor 29 corotation, positive and negative motor 29 drives lead screw 17 and rotates, make bracing piece 19 outwards remove in step, thereby make baffle 16 open, the concrete is through in the even leading-in hopper of helical blade 14 on the second pivot 13, when concrete weight is fixed in the hopper, first signal ware 27 and second signal ware 28 contact simultaneously, make positive and negative motor 29 antiport, baffle 16 closes, thereby realized mixing arrangement's ration row material, thereby avoid leading to the concrete to spill over outside the hopper because of workman's misoperation, not only practiced thrift the resource, and reduced workman's working strength.
Wherein, motor 9 and positive reverse motor 29 all are equipped with the protecting crust outward, through setting up the protecting crust, have protected motor 9 and positive reverse motor 29 can not damage because of outside striking, have further improved mixing arrangement's life.
The shape of the stirring ring 12 is spiral, the material of the stirring ring 12 is rigid material with high hardness and wear resistance, and the stirring ring 12 with high strength and wear resistance is arranged, so that the service life of the mixing device is prolonged.
The concrete stirring device comprises a stirring rod 10, a first scraper 30 is fixedly arranged at the bottom of the stirring rod 10, a second scraper 31 is arranged on the outer side wall of a second rotating shaft 13, the first scraper 30 and the second scraper 31 are rotatably connected with the inner surface of a stirring tank 1, the second scraper 31 is of a conical structure, the conical scrapers are distributed on the outer side wall of the second rotating shaft 13 in a circumferential array mode, and are easily adhered to the inner side of the stirring tank 1 in the concrete stirring process, so that not only is the material waste caused, but also the materials are solidified and condensed in the stirring tank 1 in a cold state for a long time, and the later-stage cleaning of the stirring tank 1 is not easy to carry out.
The third rotating shaft 32 is arranged at the bottom of the feeding channel 5, the material guide rod 33 is arranged on the surface of the third rotating shaft 32, the first helical gear 34 is fixedly arranged at one end, penetrating through the side face of the feeding channel 5, of the third rotating shaft 32, the second helical gear 35 meshed with the first helical gear 34 is sleeved on the rod body of the first rotating shaft 11, and when concrete raw materials are added, large-particle materials often block the feeding channel 5.
Example 2
The embodiment is improved on the basis of embodiment 1, and specifically comprises the following steps:
The working principle of the invention is as follows:
when the mixing tank is used, concrete raw materials are added into the mixing tank 1 through the feeding channel 5, the motor 9 is started, the motor 9 rotates to drive the mixing rod 10 to rotate, and the mixing ring 12 arranged on the mixing rod 10 is matched to enable the concrete raw materials to be uniformly mixed; when the motor 9 rotates, the first gear 7 is meshed with the second gear 8 to enable the first rotating shaft 11 to rotate, the first bevel gear 34 is meshed with the second bevel gear 35 to enable the third rotating shaft 32 to rotate, and the concrete raw materials are smoothly guided into the stirring tank 1 by matching with the material guiding rod 33; meanwhile, water in the water tank 38 enters the first rotating shaft 11 through the water pump, passes through the flow dividing pipe 36, is sprayed out of the atomizing nozzle 37, and is matched with the rotation of the first rotating shaft 11, so that the spraying area is further enlarged, and the generation of dust during concrete stirring is reduced; mix the completion back, place the hopper that holds the concrete on a supporting bench 22, under hopper action of gravity, first signal ware 27 contact, make positive and negative motor 29 corotation, positive and negative motor 29 drives lead screw 17 and rotates, make bracing piece 19 outwards remove in step, thereby make baffle 16 open, the concrete passes through in the even leading-in hopper of helical blade 14 on the second pivot 13, when concrete weight is regularly in the hopper, first signal ware 27 and the contact of second signal ware 28 are simultaneously, make positive and negative motor 29 antiport, baffle 16 closes, thereby realized mixing arrangement's ration row material, thereby avoid overflowing outside the hopper because of workman's misoperation results in the concrete.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The mixing device for processing the concrete convenient for blanking comprises a stirring tank (1) and is characterized in that the bottom of the stirring tank (1) is connected with a base (3) through a support column (2), a driving mechanism (4) is arranged at the top of the stirring tank (1), the top of the stirring tank (1) is positioned at two sides of the driving mechanism (4) and symmetrically provided with a feeding channel (5), the bottom of the stirring tank (1) is provided with a discharging channel, the driving mechanism (4) comprises a driving box (6), a first gear (7) and a second gear (8), the first gear (7) is rotatably arranged at the center of the driving box (6), the first gear (7) is driven by a motor (9) arranged at the top of the driving box (6), the second gear (8) is symmetrically arranged at two sides of the first gear (7), and the first gear (7) is meshed with the second gear (8), a stirring rod (10) and a first rotating shaft (11) are respectively sleeved inside the first gear (7) and the second gear (8), the stirring rod (10) and the first rotating shaft (11) penetrate through the stirring tank (1), a stirring ring (12) is fixedly arranged on the surface of the outer side wall of the stirring rod (10), a second rotating shaft (13) is arranged in the discharging channel, a spiral blade (14) is fixedly arranged on the outer side wall of the second rotating shaft (13), and the second rotating shaft (13) is fixedly connected with the stirring rod (10);
the discharging channel is provided with a discharging mechanism (15) below the second rotating shaft (13), the discharging mechanism (15) comprises a baffle (16), a screw rod (17), a track rod (18) and a support rod (19), the baffle (16) is symmetrically hinged on the inner side wall of the discharging channel, the screw rod (17) and the track rod (18) are sequentially arranged in the discharging channel from top to bottom, the screw rod (17) is rotatably connected with the side wall of the discharging channel, the screw rod (17) is driven by a forward and reverse rotating motor (29) arranged on the outer side wall of the discharging channel, a separating block (20) is arranged at the center of the rod body of the screw rod (17) at two sides of the separating block (20), the screw rods (17) at two sides of the separating block (20) are opposite in thread, the support rods (19) are symmetrically sleeved on the rod bodies of the screw rods (17) at two ends of the separating block, the bottom of the supporting rod (19) is slidably sleeved on the track rod (18), and the bottom surface of the baffle (16) is provided with a ball groove matched with the fixed ball (21);
the top surface of base (3) is connected with brace table (22) through telescoping cylinder (23), telescoping cylinder (23) overcoat has first spring (24), the top surface of brace table (22) is connected with layer board (26) through second spring (25), the elastic force of first spring (24) is greater than the elastic force of second spring (25), layer board (26) bottom surface and brace table (22) top surface symmetry are equipped with first signal ware (27), brace table (22) bottom surface and base (3) top surface symmetry are equipped with second signal ware (28), first signal ware (27) and second signal ware (28) all with just reversing motor (29) electric connection.
2. The mixing device for processing concrete convenient for blanking according to claim 1, wherein the shape of the stirring ring (12) is spiral, and the material of the stirring ring (12) is rigid material with high hardness and abrasion resistance.
3. The mixing device for processing concrete convenient to discharge as claimed in claim 1, wherein a first scraper (30) is fixedly arranged at the bottom of the stirring rod (10), a second scraper (31) is arranged on the outer side wall of the second rotating shaft (13), and the first scraper (30) and the second scraper (31) are rotatably connected with the inner surface of the stirring tank (1).
4. The mixing device for concrete processing convenient to discharge as claimed in claim 3, wherein the second scraping plates (31) are of a conical structure, and are distributed on the outer side wall of the second rotating shaft (13) in a circumferential array.
5. The mixing device for processing concrete convenient for blanking according to claim 1, wherein a third rotating shaft (32) is arranged at the bottom of the feeding channel (5), a material guiding rod (33) is arranged on the surface of the third rotating shaft (32), a first helical gear (34) is fixedly arranged at one end of the third rotating shaft (32) penetrating through the side surface of the feeding channel (5), and a second helical gear (35) meshed with the first helical gear (34) is sleeved on a rod body of the first rotating shaft (11).
6. The mixing device for processing concrete convenient to discharge as claimed in claim 1, wherein the first rotating shaft (11) is a hollow shaft, a shunt pipe (36) is arranged at the bottom of the first rotating shaft (11), a plurality of atomizing nozzles (37) are uniformly distributed below the shunt pipe (36), water tanks (38) are symmetrically arranged on the side surface of the stirring tank (1), and the water tanks (38) are communicated with the top of the first rotating shaft (11) through water pumps and water pipes.
7. The mixing device for processing concrete convenient for blanking according to claim 1, wherein protective shells are arranged outside the motor (9) and the forward and reverse rotating motor (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730660.0A CN111844449A (en) | 2020-07-27 | 2020-07-27 | Mixing device convenient for discharging and used for concrete processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010730660.0A CN111844449A (en) | 2020-07-27 | 2020-07-27 | Mixing device convenient for discharging and used for concrete processing |
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| CN111844449A true CN111844449A (en) | 2020-10-30 |
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| CN202010730660.0A Pending CN111844449A (en) | 2020-07-27 | 2020-07-27 | Mixing device convenient for discharging and used for concrete processing |
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| CN112518994A (en) * | 2020-12-03 | 2021-03-19 | 忠县祥鑫建材有限公司 | Concrete production stirring system and control method thereof |
| CN112619522A (en) * | 2020-12-23 | 2021-04-09 | 孙冬叶 | Material mixing device for building construction |
| CN112809924A (en) * | 2021-02-23 | 2021-05-18 | 陈辉龙 | Agitating unit is used in road bridge construction |
| CN112829061A (en) * | 2021-01-21 | 2021-05-25 | 邱敏游 | Processing system is used in lightweight concrete preparation |
| CN112873610A (en) * | 2021-01-12 | 2021-06-01 | 九天起宏(江苏)检测有限公司 | Colored polylactic acid particle manufacturing equipment and preparation method thereof |
| CN112917690A (en) * | 2021-01-21 | 2021-06-08 | 邱敏游 | Preparation method of lightweight concrete |
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| CN114083681A (en) * | 2021-10-11 | 2022-02-25 | 怀化大众混凝土有限公司 | Stirring device for producing light high-strength concrete and using method thereof |
| CN114701071A (en) * | 2022-03-24 | 2022-07-05 | 北京金隅混凝土有限公司 | Feeding device for preparing concrete by recycled aggregate |
| CN115056345A (en) * | 2022-06-21 | 2022-09-16 | 中国十九冶集团有限公司 | Mortar agitating unit is used in tunnel road construction |
| CN115157452A (en) * | 2022-09-08 | 2022-10-11 | 山西钢建鼎元混凝土制品有限公司 | A loading attachment for concrete placement processing |
| CN115179433A (en) * | 2022-05-23 | 2022-10-14 | 福建士维建设有限公司 | Water conservancy dykes and dams construction building material feeding device |
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| CN209304816U (en) * | 2018-11-23 | 2019-08-27 | 界首市荣发再生资源有限公司 | A kind of blanking device in waste plastic regeneration system |
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