CN110039653A - Heat penetration water coagulation soil production method is mixed at a kind of scene - Google Patents
Heat penetration water coagulation soil production method is mixed at a kind of scene Download PDFInfo
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- CN110039653A CN110039653A CN201910378373.5A CN201910378373A CN110039653A CN 110039653 A CN110039653 A CN 110039653A CN 201910378373 A CN201910378373 A CN 201910378373A CN 110039653 A CN110039653 A CN 110039653A
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- framework
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- fixedly connected
- cement
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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
- B28C5/003—Methods for mixing
-
- 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
- B28C5/0806—Details; Accessories
Abstract
The invention discloses a kind of scenes to mix heat penetration water coagulation soil production method, comprising the following steps: S1, firstly, measuring aggregate 600-680 parts, 350-430 parts of cement, 10-18 parts of reinforcing agent, 120-240 parts of water；Aggregate, cement and reinforcing agent are then successively poured into framework by S2 secondly, processing unit is placed on the ground of in-situ horizontal, and are tentatively stirred by stirring web plate to aggregate, cement and reinforcing agent.When the present invention uses, mixed territory to be processed is stored by framework, in this way, mixed territory to be processed in framework is heated by hot water or steam two different heating methods again, promote the speed of pervious concrete hardening, it not will receive the influence of place and outside air when shortening curing cycle in turn, and wherein guaranteeing that mixed territory to be processed processes at the scene by the effect of framework, and then avoid the problem that steam can not produce live pervious concrete in tradition.
Description
Technical field
The present invention relates to pervious concrete production technical fields more particularly to a kind of scene to mix heat penetration water coagulation soil producer
Method.
Background technique
Pervious concrete is that one kind is mutually bonded by coarse aggregate surface cladding a thin layer cement slurry and formed hole and uniformly divide
The honeycomb structure of cloth still, is difficult to carry out pervious concrete at present at the construction field (site) because having ventilative Permeable characteristic
Production and processing because being heated when its production, the speed that pervious concrete can be promoted to harden in this way, and then is contracted
Short curing cycle, especially in winter, but at the scene produce when cannot achieve because steam heating method be not suitable for scene
The mixed territory that the air that production, i.e. steam encounter the external world will liquefy, while just preheat, which encounters air, also can rapidly cool down, and ten
The unfavorable production on site divided.
Summary of the invention
The purpose of the present invention is to solve problems of the prior art, and a kind of scene proposed is mixed heat penetration water and mixed
Solidifying soil production method.
To achieve the goals above, present invention employs following technical solutions:
A kind of scene mix heat penetration water coagulation soil production method, comprising the following steps:
S1, firstly, measuring aggregate 600-680 parts, 350-430 parts of cement, 10-18 parts of reinforcing agent, 120-240 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework, and by stirring web plate；
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework, and there are three types of heating methods, one, opening
The hot water of heating is poured into storage chamber by rubber stopper, then is heated by heat-conducting plate to the intracorporal mixture of frame；Two, will
Conduction pipe is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is by conduction pipe to framework
Interior mixture is heated；Three, this heating method is the double combinations of above-mentioned steam and hot water heating；
S4, finally, water is poured into framework, in the process, people drive stirring web plate to turn by L-type handle and shaft
It is dynamic, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover and makes
Framework inner sealing can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework when discharging, need to be only lifted up by S5, then the pervious concrete inside framework will going out from framework bottom
Material mouth discharging.
Preferably, the processing unit includes framework, is fixedly connected at the top of the framework there are two fixed block, two institutes
It states fixed block to be fixedly connected by rotary shaft, the lateral wall rotation of the rotary shaft is socketed with top cover, fixed company on the top cover
Multiple conduction pipes being obliquely installed are connected to, the bottom of the conduction pipe through top cover and extends downwardly, fixed on the conduction pipe
It is connected with control valve；Shaft is rotatably connected in the framework, and the both ends of the shaft run through framework and are fixedly connected with L
Type handle, the lateral wall of the shaft are fixedly connected with multiple stirring web plates, and the bottom of the framework offers discharge port；It is described
Storage chamber in a ring is offered in framework, the storage chamber offers mounting groove, the peace close to the side of framework inner sidewall
The inner sidewall of tankage is fixedly connected with heat-conducting plate, and the inner sidewall of the storage chamber offers water inlet, the water inlet inner sidewall
It is sealedly connected with rubber stopper.
The invention has the benefit that
In use, being stored by framework to mixed territory to be processed, in this way, two different by hot water or steam again
Heating method heats mixed territory to be processed in framework, promotes the speed of pervious concrete hardening, and then shorten
Curing cycle, and place and the external world wherein not will receive when acting on and guaranteeing that mixed territory to be processed processes at the scene by framework
The influence of air, and then avoid the problem that steam can not produce live pervious concrete in tradition.
Detailed description of the invention
Fig. 1 is processing device structure diagram proposed by the present invention；
Fig. 2 is the side structure schematic diagram of processing unit proposed by the present invention.
In figure: 1 framework, 2 fixed blocks, 3 rotary shafts, 4 top covers, 5 conduction pipes, 6 control valves, 7 shafts, 8 L-type handles, 9 are stirred
Mix web plate, 10 discharge ports, 11 storage chambers, 12 heat-conducting plates, 13 rubber stoppers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
Referring to Fig.1-2, heat penetration water coagulation soil production method is mixed at a kind of scene, comprising the following steps:
S1, firstly, measuring 600 parts of aggregate, 350 parts of cement, 10 parts of reinforcing agent, 120 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework 1, and by stirring web plate 9；
Wherein, processing unit includes framework 1, and the top of framework 1 is fixedly connected there are two fixed block 2, and two fixed blocks 2 pass through rotation
Shaft 3 is fixedly connected, the rotation of the lateral wall of rotary shaft 3 is socketed with top cover 4, and multiple be obliquely installed is fixedly connected on top cover 4
The bottom of conduction pipe 5, conduction pipe 5 through top cover 4 and extends downwardly, and control valve 6 is fixedly connected on conduction pipe 5；
Shaft 7 is rotatably connected in framework 1, and the both ends of shaft 7 run through framework 1 and are fixedly connected with L-type handle 8, shaft 7
Lateral wall be fixedly connected with multiple stirring web plates 9, the bottom of framework 1 offers discharge port 10；
Storage chamber 11 in a ring is offered in framework 1, storage chamber 11 offers mounting groove close to the side of 1 inner sidewall of framework,
The inner sidewall of mounting groove is fixedly connected with heat-conducting plate 12, and the inner sidewall of storage chamber 11 offers water inlet, and water inlet inner sidewall is close
Envelope is connected with rubber stopper 13.
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework 1, and there are three types of heating methods,
One, rubber stopper 13 is opened, the hot water of heating is poured into storage chamber 11, then by heat-conducting plate 12 to the mixture in framework 1
It is heated；Two, conduction pipe 5 is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is logical
Conduction pipe 5 is crossed to heat the mixture in framework 1；Three, this heating method is the double combinations of upper steam and hot water heating；
S4, finally, water is poured into framework 1, in the process, people drive stirring web plate 9 by L-type handle 8 and shaft 7
Rotation, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover 4
So that 1 inner sealing of framework, can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework 1 when discharging, need to be only lifted up, then the pervious concrete inside framework 1 will be from 1 bottom of framework by S5
Discharge port 10 discharge.
Embodiment two
Referring to Fig.1-2, heat penetration water coagulation soil production method is mixed at a kind of scene, comprising the following steps:
S1, firstly, measuring 620 parts of aggregate, 370 parts of cement, 12 parts of reinforcing agent, 150 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework 1, and by stirring web plate 9；
Wherein, processing unit includes framework 1, and the top of framework 1 is fixedly connected there are two fixed block 2, and two fixed blocks 2 pass through rotation
Shaft 3 is fixedly connected, the rotation of the lateral wall of rotary shaft 3 is socketed with top cover 4, and multiple be obliquely installed is fixedly connected on top cover 4
The bottom of conduction pipe 5, conduction pipe 5 through top cover 4 and extends downwardly, and control valve 6 is fixedly connected on conduction pipe 5；
Shaft 7 is rotatably connected in framework 1, and the both ends of shaft 7 run through framework 1 and are fixedly connected with L-type handle 8, shaft 7
Lateral wall be fixedly connected with multiple stirring web plates 9, the bottom of framework 1 offers discharge port 10；
Storage chamber 11 in a ring is offered in framework 1, storage chamber 11 offers mounting groove close to the side of 1 inner sidewall of framework,
The inner sidewall of mounting groove is fixedly connected with heat-conducting plate 12, and the inner sidewall of storage chamber 11 offers water inlet, and water inlet inner sidewall is close
Envelope is connected with rubber stopper 13.
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework 1, and there are three types of heating methods,
One, rubber stopper 13 is opened, the hot water of heating is poured into storage chamber 11, then by heat-conducting plate 12 to the mixture in framework 1
It is heated；Two, conduction pipe 5 is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is logical
Conduction pipe 5 is crossed to heat the mixture in framework 1；Three, this heating method is the double combinations of upper steam and hot water heating；
S4, finally, water is poured into framework 1, in the process, people drive stirring web plate 9 by L-type handle 8 and shaft 7
Rotation, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover 4
So that 1 inner sealing of framework, can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework 1 when discharging, need to be only lifted up, then the pervious concrete inside framework 1 will be from 1 bottom of framework by S5
Discharge port 10 discharge.
Embodiment three
Referring to Fig.1-2, heat penetration water coagulation soil production method is mixed at a kind of scene, comprising the following steps:
S1, firstly, measuring 640 parts of aggregate, 390 parts of cement, 14 parts of reinforcing agent, 180 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework 1, and by stirring web plate 9；
Wherein, processing unit includes framework 1, and the top of framework 1 is fixedly connected there are two fixed block 2, and two fixed blocks 2 pass through rotation
Shaft 3 is fixedly connected, the rotation of the lateral wall of rotary shaft 3 is socketed with top cover 4, and multiple be obliquely installed is fixedly connected on top cover 4
The bottom of conduction pipe 5, conduction pipe 5 through top cover 4 and extends downwardly, and control valve 6 is fixedly connected on conduction pipe 5；
Shaft 7 is rotatably connected in framework 1, and the both ends of shaft 7 run through framework 1 and are fixedly connected with L-type handle 8, shaft 7
Lateral wall be fixedly connected with multiple stirring web plates 9, the bottom of framework 1 offers discharge port 10；
Storage chamber 11 in a ring is offered in framework 1, storage chamber 11 offers mounting groove close to the side of 1 inner sidewall of framework,
The inner sidewall of mounting groove is fixedly connected with heat-conducting plate 12, and the inner sidewall of storage chamber 11 offers water inlet, and water inlet inner sidewall is close
Envelope is connected with rubber stopper 13.
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework 1, and there are three types of heating methods,
One, rubber stopper 13 is opened, the hot water of heating is poured into storage chamber 11, then by heat-conducting plate 12 to the mixture in framework 1
It is heated；Two, conduction pipe 5 is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is logical
Conduction pipe 5 is crossed to heat the mixture in framework 1；Three, this heating method is the double combinations of upper steam and hot water heating；
S4, finally, water is poured into framework 1, in the process, people drive stirring web plate 9 by L-type handle 8 and shaft 7
Rotation, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover 4
So that 1 inner sealing of framework, can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework 1 when discharging, need to be only lifted up, then the pervious concrete inside framework 1 will be from 1 bottom of framework by S5
Discharge port 10 discharge.
Example IV
Referring to Fig.1-2, heat penetration water coagulation soil production method is mixed at a kind of scene, comprising the following steps:
S1, firstly, measuring 660 parts of aggregate, 410 parts of cement, 16 parts of reinforcing agent, 210 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework 1, and by stirring web plate 9；
Wherein, processing unit includes framework 1, and the top of framework 1 is fixedly connected there are two fixed block 2, and two fixed blocks 2 pass through rotation
Shaft 3 is fixedly connected, the rotation of the lateral wall of rotary shaft 3 is socketed with top cover 4, and multiple be obliquely installed is fixedly connected on top cover 4
The bottom of conduction pipe 5, conduction pipe 5 through top cover 4 and extends downwardly, and control valve 6 is fixedly connected on conduction pipe 5；
Shaft 7 is rotatably connected in framework 1, and the both ends of shaft 7 run through framework 1 and are fixedly connected with L-type handle 8, shaft 7
Lateral wall be fixedly connected with multiple stirring web plates 9, the bottom of framework 1 offers discharge port 10；
Storage chamber 11 in a ring is offered in framework 1, storage chamber 11 offers mounting groove close to the side of 1 inner sidewall of framework,
The inner sidewall of mounting groove is fixedly connected with heat-conducting plate 12, and the inner sidewall of storage chamber 11 offers water inlet, and water inlet inner sidewall is close
Envelope is connected with rubber stopper 13.
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework 1, and there are three types of heating methods,
One, rubber stopper 13 is opened, the hot water of heating is poured into storage chamber 11, then by heat-conducting plate 12 to the mixture in framework 1
It is heated；Two, conduction pipe 5 is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is logical
Conduction pipe 5 is crossed to heat the mixture in framework 1；Three, this heating method is the double combinations of upper steam and hot water heating；
S4, finally, water is poured into framework 1, in the process, people drive stirring web plate 9 by L-type handle 8 and shaft 7
Rotation, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover 4
So that 1 inner sealing of framework, can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework 1 when discharging, need to be only lifted up, then the pervious concrete inside framework 1 will be from 1 bottom of framework by S5
Discharge port 10 discharge.
Embodiment five
Referring to Fig.1-2, heat penetration water coagulation soil production method is mixed at a kind of scene, comprising the following steps:
S1, firstly, measuring 680 parts of aggregate, 430 parts of cement, 18 parts of reinforcing agent, 240 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
Aggregate, cement and reinforcing agent are tentatively stirred into framework 1, and by stirring web plate 9；
Wherein, processing unit includes framework 1, and the top of framework 1 is fixedly connected there are two fixed block 2, and two fixed blocks 2 pass through rotation
Shaft 3 is fixedly connected, the rotation of the lateral wall of rotary shaft 3 is socketed with top cover 4, and multiple be obliquely installed is fixedly connected on top cover 4
The bottom of conduction pipe 5, conduction pipe 5 through top cover 4 and extends downwardly, and control valve 6 is fixedly connected on conduction pipe 5；
Shaft 7 is rotatably connected in framework 1, and the both ends of shaft 7 run through framework 1 and are fixedly connected with L-type handle 8, shaft 7
Lateral wall be fixedly connected with multiple stirring web plates 9, the bottom of framework 1 offers discharge port 10；
Storage chamber 11 in a ring is offered in framework 1, storage chamber 11 offers mounting groove close to the side of 1 inner sidewall of framework,
The inner sidewall of mounting groove is fixedly connected with heat-conducting plate 12, and the inner sidewall of storage chamber 11 offers water inlet, and water inlet inner sidewall is close
Envelope is connected with rubber stopper 13.
S3 then heats the mixture of aggregate, cement and reinforcing agent in framework 1, and there are three types of heating methods,
One, rubber stopper 13 is opened, the hot water of heating is poured into storage chamber 11, then by heat-conducting plate 12 to the mixture in framework 1
It is heated；Two, conduction pipe 5 is threadedly coupled in extraneous steam pipe, and opens control valve, then the steam that steam pipe sprays is logical
Conduction pipe 5 is crossed to heat the mixture in framework 1；Three, this heating method is the double combinations of upper steam and hot water heating；
S4, finally, water is poured into framework 1, in the process, people drive stirring web plate 9 by L-type handle 8 and shaft 7
Rotation, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, is rotated further by top cover 4
So that 1 inner sealing of framework, can accelerate the hardenability of pervious concrete, by heating in this way convenient for production later；
Framework 1 when discharging, need to be only lifted up, then the pervious concrete inside framework 1 will be from 1 bottom of framework by S5
Discharge port 10 discharge.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. heat penetration water coagulation soil production method is mixed at a kind of scene, which comprises the following steps:
S1, firstly, measuring aggregate 600-680 parts, 350-430 parts of cement, 10-18 parts of reinforcing agent, 120-240 parts of water；
S2 then successively pours into aggregate, cement and reinforcing agent secondly, processing unit is placed on the ground of in-situ horizontal
In to framework (1), and aggregate, cement and reinforcing agent are tentatively stirred by stirring web plate (9)；
S3 then heats the mixture of the interior aggregate of framework (1), cement and reinforcing agent, and there are three types of heating methods, one,
It opens rubber stopper (13), the hot water of heating is poured into storage chamber (11), then by heat-conducting plate (12) to mixed in framework (1)
Zoarium is heated；Two, conduction pipe (5) is threadedly coupled in extraneous steam pipe, and opens control valve (6), then steam pipe sprays
Steam out heats the mixture in framework (1) by conduction pipe (5)；Three, this heating method is above-mentioned steam and heat
The double combinations of water heating；
S4, finally, water is poured into framework (1), in the process, people are stirred by L-type handle (8) and shaft (7) drive
Web plate (9) rotation is mixed, to realize the process that side adds waterside to stir, so that mixture preferably mixes sufficiently with water, then
Rotation top cover (4) makes framework (1) inner sealing, can accelerate the hardenability of pervious concrete by heating in this way, be convenient for
Production later；
Framework (1) when discharging, need to be only lifted up by S5, then the internal pervious concrete of framework (1) will be from framework
(1) discharge port (10) discharging of bottom.
2. heat penetration water coagulation soil production method is mixed at a kind of scene according to claim 1, which is characterized in that the processing dress
It sets including framework (1), is fixedly connected at the top of the framework (1) there are two fixed block (2), two fixed blocks (2) pass through
Rotary shaft (3) is fixedly connected, and the lateral wall rotation of the rotary shaft (3) is socketed with top cover (4), fixed on the top cover (4) to connect
Multiple conduction pipes (5) being obliquely installed are connected to, the bottom of the conduction pipe (5) through top cover (4) and extends downwardly, the conducting
Control valve (6) are fixedly connected on pipe (5)；
It is rotatably connected to shaft (7) on the framework (1), and the both ends of the shaft (7) are run through framework (1) and are fixedly connected
Have L-type handle (8), the lateral wall of the shaft (7) is fixedly connected with multiple stirring web plates (9), and the bottom of the framework (1) is opened
Equipped with discharge port (10)；
The interior storage chamber (11) offered in a ring of the framework (1), the one of close framework (1) inner sidewall of the storage chamber (11)
Side offers mounting groove, and the inner sidewall of the mounting groove is fixedly connected with heat-conducting plate (12), the inner sidewall of the storage chamber (11)
Water inlet is offered, the water inlet inner sidewall is sealedly connected with rubber stopper (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910378373.5A CN110039653A (en) | 2019-05-08 | 2019-05-08 | Heat penetration water coagulation soil production method is mixed at a kind of scene |
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| CN201910378373.5A CN110039653A (en) | 2019-05-08 | 2019-05-08 | Heat penetration water coagulation soil production method is mixed at a kind of scene |
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| CN110039653A true CN110039653A (en) | 2019-07-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2645769A1 (en) * | 1976-10-09 | 1978-04-13 | Kaiser Kg Maschf Otto | Concrete mixer with horizontal shaft and drum - has two sets of rotating blades arranged at different radii |
| CN105328795A (en) * | 2015-10-14 | 2016-02-17 | 重庆市秋露石膏制品厂 | Gypsum slurry mixing machine |
| CN205416009U (en) * | 2016-04-04 | 2016-08-03 | 郁建国 | Agitating unit for cement |
| CN105837135A (en) * | 2016-03-01 | 2016-08-10 | 程雷 | Pervious concrete for road and manufacturing method thereof |
| CN207527597U (en) * | 2017-11-01 | 2018-06-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of garbage pool bottom heating device |
-
2019
- 2019-05-08 CN CN201910378373.5A patent/CN110039653A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2645769A1 (en) * | 1976-10-09 | 1978-04-13 | Kaiser Kg Maschf Otto | Concrete mixer with horizontal shaft and drum - has two sets of rotating blades arranged at different radii |
| CN105328795A (en) * | 2015-10-14 | 2016-02-17 | 重庆市秋露石膏制品厂 | Gypsum slurry mixing machine |
| CN105837135A (en) * | 2016-03-01 | 2016-08-10 | 程雷 | Pervious concrete for road and manufacturing method thereof |
| CN205416009U (en) * | 2016-04-04 | 2016-08-03 | 郁建国 | Agitating unit for cement |
| CN207527597U (en) * | 2017-11-01 | 2018-06-22 | 中冶焦耐(大连)工程技术有限公司 | A kind of garbage pool bottom heating device |
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Application publication date: 20190723 |
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