CN208359077U - Integrated concrete mixing plant - Google Patents
Integrated concrete mixing plant Download PDFInfo
- Publication number
- CN208359077U CN208359077U CN201820154065.5U CN201820154065U CN208359077U CN 208359077 U CN208359077 U CN 208359077U CN 201820154065 U CN201820154065 U CN 201820154065U CN 208359077 U CN208359077 U CN 208359077U
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- stone
- sand
- horizontal stirring
- stirring bucket
- wall
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The integrated concrete mixing plant of the utility model, including Horizontal stirring bucket, sand weighing funnel, stone weighing funnel, cement box and water tank, the upper right side of the Horizontal stirring bucket is respectively arranged with the sand weighing funnel and stone weighing funnel, sand screening case and stone screen branch mailbox are respectively arranged with right above the sand weighing funnel and stone weighing funnel, cement box and water tank is respectively set in the upper left side of the Horizontal stirring bucket, temperature sensor is provided in the Horizontal stirring bucket, the sand sieves case, upper limit level-sensing device and lower-limit change level indicator are provided in stone screen branch mailbox and cement box, upper limit level meter and bottom limit level meter are provided in the water tank, PLC controller is provided on the outer wall of the Horizontal stirring bucket, the utility model is not only simple in structure, occupied area is small, and there is intelligent ingredient and screening Function is not likely to produce mixing ratio error, in addition, being further provided with abnormal alarm system, reduces personnel and intervenes.
Description
Technical field
The utility model relates to Architectural Equipment technical field, in particular to integrated concrete mixing plant.
Background technique
Concrete mixing plant is commonly used in concrete works to be provided simultaneously with storing, feed, ingredient, stirring and control etc.
The combined unit of function is mainly used in the activity of large and medium-sized building engineering construction, existing concrete mixing plant not only structure
Complexity takes up a large area, but also needs by manually carrying out ingredient, not only time-consuming and laborious, but also is easy to produce the mistake of proportion
Difference influences the quality of concrete；Meanwhile also in the prevalence of intelligence degree it is not high, do not have abnormal alarm system and personnel
The disadvantages of intervention degree is excessive.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model proposes a kind of integrated concrete mixing plants, no
Only structure is simple, occupied area is small, and has the function of intelligent ingredient and screening, is not likely to produce mixing ratio error, greatly improves
Concrete matched standby quality；Meanwhile it being further provided with abnormal alarm system, to further improve the integrated of whole device
Controlling extent reduces personnel's intervention.
To achieve the goals above, the technical scheme adopted by the utility model is
Integrated concrete mixing plant, including Horizontal stirring bucket, sand weighing funnel, stone weighing funnel, cement box and
Water tank, agitating shaft is provided between described Horizontal stirring bucket or so center of two sides, and the agitating shaft passes through horizontal
The side wall of agitator is connected with the driving motor being set on Horizontal stirring bucket outer wall, and the outer surface of the agitating shaft is uniformly arranged
There is the paddle perpendicular to agitating shaft, the upper left side of the Horizontal stirring bucket is respectively arranged with the sand weighing funnel and stone
Branch is provided on the roof of the Horizontal stirring bucket of the underface of weighing funnel, the sand weighing funnel and stone weighing funnel
Seat is supportted, is provided with weighing sensor on the support base, and the number of the weighing sensor is three, three weighings
Sensor is uniformly distributed, and the line of three weighing sensors constitutes a triangle, the sand weighing funnel and stone
The discharge port of weighing funnel is provided with solenoid valve, is respectively set right above the sand weighing funnel and stone weighing funnel
There are sand screening case and stone screen branch mailbox, the middle position inside the sand screening case is provided with inclined sand Screening Network,
The sand Screening Network is fixedly connected on sand by spring and sieves on the inner sidewall of case, and the bottom side of the sand Screening Network is arranged
There is vibrating motor, offers unqualified sand discharge port on the side wall of the sand screening case of the low side of sand Screening Network, it is described
Middle position inside stone screen branch mailbox is provided with inclined stone Screening Network, and the stone Screening Network is fixedly connected by spring
On the inner sidewall of stone screen branch mailbox, the bottom side of the stone Screening Network is provided with vibrating motor, the low side of stone Screening Network
Stone screen branch mailbox side wall on offer unqualified stone discharge port, cement is respectively set in the upper right side of the Horizontal stirring bucket
Case and water tank are provided with support base, the discharging of the cement box on the roof of the Horizontal stirring bucket of the underface of the cement box
Solenoid valve, the water tank and the sparge pipe phase being arranged on Horizontal stirring bucket inner roof wall are provided between mouth and Horizontal stirring bucket
Even, flow valve being provided between the water outlet and sparge pipe of the water tank, the lower end of the sparge pipe is uniformly provided with sprinkler head,
Four edges of the bottom of the Horizontal stirring bucket are provided with support leg, and the bottom wall central position of the Horizontal stirring bucket is set
It is equipped with concrete discharge port, the concrete discharge outlet is provided with solenoid valve, the inner sidewall of Horizontal stirring bucket (1) lower end
On be provided with temperature sensor, sand screening case (8) is arranged on the inner wall of sand Screening Network (801) lower side
There is upper limit level-sensing device, is provided with lower-limit change level indicator on the downside wall of sand screening case (8), the stone screen branch mailbox (9) is leaned on
Upper limit level-sensing device is provided on the inner wall of nearly stone Screening Network (901) lower side, on the downside wall of the stone screen branch mailbox (9)
It is provided with lower-limit change level indicator, upper limit level-sensing device, the bottom of the cement box (4) are provided on the upper end side wall of the cement box (4)
It is provided with lower-limit change level indicator on side wall, upper limit level meter is provided on the upper end side wall of the water tank (5), the water tank (5)
It is provided with bottom limit level meter on downside wall, PLC controller, the PLC controller are provided on the outer wall of the Horizontal stirring bucket
(11) it is provided with warning device on, weight display screen and flow indication screen, the driving electricity are provided in the PLC controller
Machine, vibrating motor, solenoid valve, flow valve, weighing sensor, temperature sensor, upper limit level-sensing device, lower-limit change level indicator, upper limit liquid
Position meter and bottom limit level meter are connected with PLC controller.
Preferably, the lower end of the Horizontal stirring bucket is arc structure.
Preferably, the warning device includes alarm lamp and buzzer.
Preferably, observation window is offered on the outer wall of the Horizontal stirring bucket.
Preferably, the universal wheel with fixed device is provided with below the support leg.
Preferably, the inner surface of the Horizontal stirring bucket is provided with epoxy novolac corrosion-inhibiting coating.
Preferably, the outer surface of the agitating shaft and paddle is provided with silicon carbide wearing layer.
Compared with prior art, the utility model has the beneficial effects that
Integration concrete mixing plant provided by the utility model, is respectively arranged with sand above Horizontal stirring bucket and claims
Funnel, stone weighing funnel, cement box and water tank are measured, and is set in sand weighing funnel, stone weighing funnel and cement box
It is equipped with weighing sensor, the water outlet of water tank is provided with flow valve, meanwhile, also leakage is weighed in sand weighing funnel and stone
It is respectively arranged with sand screening case and stone screen branch mailbox right above bucket, is controlled by the way that PLC is arranged on the outer wall of Horizontal stirring bucket
Device processed carries out intelligentized control method to whole device, be not only simple in structure, occupied area it is small, and there is intelligent ingredient and screening
Function is not likely to produce mixing ratio error, substantially increases the standby quality of concrete matched；In addition, by being arranged in Horizontal stirring bucket
Temperature sensor sieves in sand and upper limit level-sensing device and lower-limit change level indicator is arranged in case, stone screen branch mailbox and cement box, in water tank
Interior setting upper limit level meter and bottom limit level meter make whole device have abnormal alarm system, improve its integrated control journey
Degree reduces personnel's intervention；Therefore, the utility model be not only simple in structure, occupied area it is small, and there is intelligent ingredient and screening
Function, be not likely to produce mixing ratio error, substantially increase the standby quality of concrete matched；Meanwhile it being further provided with abnormal alarm system,
To further improve the integrated controlling extent of whole device, reduction personnel intervene.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the utility model embodiment.
In figure: 1- Horizontal stirring bucket, 2- sand weighing funnel, 3- stone weighing funnel, 4- cement box, 5- water tank, 6- drive
Dynamic motor, 7- support base, 8- sand sieve case, 9- stone screen branch mailbox, 10- vibrating motor, 11-PLC controller, 101- stirring
Axis, 102- paddle, 103- sparge pipe, 104- sprinkler head, 105- support leg, 106- concrete discharge port, the screening of 801- sand
Net, the unqualified sand discharge port of 802-, 901- stone Screening Network, the unqualified stone discharge port of 902-.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, the utility model provides a kind of integrated concrete mixing plant, including Horizontal stirring bucket 1, sand
Weighing funnel 2, stone weighing funnel 3, cement box 4 and water tank 5, the center of 1 or so two sides of Horizontal stirring bucket
Between be provided with agitating shaft 101, the agitating shaft 101 passes through the side wall of Horizontal stirring bucket 1 and is set to 1 outer wall of Horizontal stirring bucket
On driving motor 6 be connected, the outer surface of the agitating shaft 101 is evenly arranged with the paddle 102 perpendicular to agitating shaft 101,
The upper right side of the Horizontal stirring bucket 1 is respectively arranged with the sand weighing funnel 2 and stone weighing funnel 3, and the sand claims
Support base 7, the support base are provided on the roof of the Horizontal stirring bucket 1 of the underface of amount funnel 2 and stone weighing funnel 3
Weighing sensor is provided on 7, and the number of the weighing sensor is three, three weighing sensors uniformly divide
Cloth, and line one triangle of composition of three weighing sensors, the sand weighing funnel 2 and stone weighing funnel 3
Discharge port is provided with solenoid valve, and the upper left side of the sand weighing funnel 2 and stone weighing funnel 3 is respectively arranged with sand sieve
Branch mailbox 8 and stone screen branch mailbox 9, the middle position that the sand sieves inside case is provided with inclined sand Screening Network 801, described
Sand Screening Network 801 is fixedly connected on sand by spring and sieves on the inner sidewall of case 8, the bottom side of the sand Screening Network 801
It is provided with vibrating motor 10, unqualified sand is offered on the side wall of the sand screening case 8 of the low side of sand Screening Network 801 and goes out
Material mouth 802, the middle position inside the stone screen branch mailbox 9 are provided with inclined stone Screening Network 901, the stone Screening Network
901 are fixedly connected on the inner sidewall of stone screen branch mailbox 9 by spring, and the bottom side of the stone Screening Network 901 is provided with vibration
Motor 10 offers unqualified stone discharge port 902, institute on the side wall of the stone screen branch mailbox 9 of the low side of stone Screening Network 901
Cement box 4 and water tank 5, the Horizontal stirring bucket 1 of the underface of the cement box 4 is respectively set in the upper right side for stating Horizontal stirring bucket 1
Roof on be provided with support base 7, be provided with solenoid valve, the water between the discharge port and Horizontal stirring bucket 1 of the cement box 4
Case 5 is connected with the sparge pipe 103 being arranged on 1 inner roof wall of Horizontal stirring bucket, the water outlet of the water tank 5 and sparge pipe 103 it
Between be provided with flow valve, the lower end of the sparge pipe 103 is uniformly provided with sprinkler head 104, the bottom of the Horizontal stirring bucket 1
Four edges be provided with support leg 105, the bottom wall central position of the Horizontal stirring bucket 1 is provided with concrete discharge port
106, solenoid valve is provided at the concrete discharge port 106, is provided with temperature on the inner sidewall of 1 lower end of Horizontal stirring bucket
Sensor, the sand screening case 8 is provided with upper limit level-sensing device on the inner wall of the lower side of sand Screening Network 801, described
It is provided with lower-limit change level indicator on the downside wall of sand screening case 8, the stone screen branch mailbox 9 is close to stone Screening Network 901 lower one
It is provided with upper limit level-sensing device on the inner wall of side, lower-limit change level indicator, the cement are provided on the downside wall of the stone screen branch mailbox 9
It is provided with upper limit level-sensing device on the upper end side wall of case 4, lower-limit change level indicator, the water are provided on the downside wall of the cement box 4
It is provided with upper limit level meter on the upper end side wall of case 5, bottom limit level meter is provided on the downside wall of the water tank 5, it is described horizontal
It is provided with PLC controller 11 on the outer wall of agitator 1, warning device, the PLC control are provided in the PLC controller 11
Weight display screen and flow indication screen, the driving motor 6, vibrating motor 10, solenoid valve, flow valve, title are provided on device 11
Retransmit sensor, temperature sensor, upper limit level-sensing device, lower-limit change level indicator, upper limit level meter and bottom limit level meter and PLC controller
11 are connected.
Integration concrete mixing plant provided by the utility model, is respectively arranged with sand in the top of Horizontal stirring bucket 1
Weighing funnel 2, stone weighing funnel 3, cement box 4 and water tank 5, and in sand weighing funnel 2, stone weighing funnel 3 and water
It is provided with weighing sensor in mud box 4, the water outlet of water tank 5 is provided with flow valve, meanwhile, also in sand weighing funnel 2
It is respectively arranged with sand screening case 8 and stone screen branch mailbox 9 with the surface of stone weighing funnel 3, by Horizontal stirring bucket 1
Outer wall on setting PLC controller 11 to whole device carry out intelligentized control method, be not only simple in structure, occupied area it is small, and
Have the function of intelligent ingredient and screening, be not likely to produce mixing ratio error, substantially increases the standby quality of concrete matched；In addition, logical
It crosses and temperature sensor is set in Horizontal stirring bucket 1, sieved in case 8, stone screen branch mailbox 9 and cement box 4 in sand and the upper limit is set
Upper limit level meter and bottom limit level meter is arranged in level-sensing device and lower-limit change level indicator in water tank 5, and whole device is made to have abnormality alarm
System improves its integrated controlling extent, reduction personnel intervene；Therefore, the utility model be not only simple in structure, occupied area
It is small, and have the function of intelligent ingredient and screening, it is not likely to produce mixing ratio error, substantially increases the standby quality of concrete matched；
Meanwhile it being further provided with abnormal alarm system, to further improve the integrated controlling extent of whole device, reduction personnel do
In advance.
It further, is the mixing effect for reinforcing concrete, convenient for the discharge of concrete, in the utility model embodiment
In, the lower end of the Horizontal stirring bucket 1 is arc structure.
It further, is the abnormal alarm function of enhancing the present apparatus, in the utility model embodiment, the warning device
Including alarm lamp and buzzer, in the specific implementation process, upper limit level-sensing device and lower-limit change level indicator in different cabinets (or the upper limit
Liquidometer and bottom limit level meter) it is connected by PLC controller 11 with the alarm lamp of different colours, the same intracorporal upper limit of case
Level-sensing device is identical with the color of alarm lamp corresponding to lower-limit change level indicator (or upper limit level meter and bottom limit level meter), but brightness is not
Together；In addition, the temperature sensor in Horizontal stirring bucket 1 is connected by PLC controller 11 with buzzer, Horizontal stirring bucket 1 is prevented
Interior temperature is excessively high, influences the service life of Horizontal stirring bucket.
Further, function situation of the agitating device in whipping process in order to facilitate observation of, convenient for controlling stirring in real time
Effect offers observation window on the outer wall of the Horizontal stirring bucket 1 in the utility model embodiment.
It further, is the movement and fixation convenient for agitating device, in the utility model embodiment, the support leg
105 lower section is provided with the universal wheel with fixed device.
It further, is the service life for extending Horizontal stirring bucket, in the utility model embodiment, the Horizontal stirring
The inner surface of bucket 1 is provided with epoxy novolac corrosion-inhibiting coating.
Further, it is the abrasion for reducing agitating shaft and paddle, prolongs the service life, in the utility model embodiment
In, the outer surface of the agitating shaft 101 and paddle 102 is provided with silicon carbide wearing layer.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (7)
1. integrated concrete mixing plant, including Horizontal stirring bucket (1), sand weighing funnel (2), stone weighing funnel (3), water
Mud box (4) and water tank (5), it is characterised in that: be provided between the center of two sides in Horizontal stirring bucket (1) left and right
Agitating shaft (101), the agitating shaft (101) pass through the side wall of Horizontal stirring bucket (1) and are set on Horizontal stirring bucket (1) outer wall
Driving motor (6) be connected, the outer surface of the agitating shaft (101) is evenly arranged with the paddle perpendicular to agitating shaft (101)
(102), the upper left side of the Horizontal stirring bucket (1) is respectively arranged with the sand weighing funnel (2) and stone weighing funnel
(3), it is respectively provided on the roof of the Horizontal stirring bucket (1) of the underface of the sand weighing funnel (2) and stone weighing funnel (3)
Have support base (7), be provided with weighing sensor on the support base (7), and the number of the weighing sensor is three, three
A weighing sensor is uniformly distributed, and the line of three weighing sensors constitutes a triangle, and the sand weighs
The discharge port of funnel (2) and stone weighing funnel (3) is provided with solenoid valve, and the sand weighing funnel (2) and stone weigh
Sand screening case (8) and stone screen branch mailbox (9) are respectively arranged with right above funnel (3), the sand sieves in inside case
Meta position, which installs, is equipped with inclined sand Screening Network (801), and the sand Screening Network (801) is fixedly connected on sand by spring and sieves
On the inner sidewall of branch mailbox (8), the bottom side of the sand Screening Network (801) is provided with vibrating motor (10), sand Screening Network (801)
Unqualified sand discharge port (802), the stone screen branch mailbox (9) are offered on the side wall of sand screening case (8) of low side
Internal middle position is provided with inclined stone Screening Network (901), and the stone Screening Network (901) is fixedly connected by spring
On the inner sidewall of stone screen branch mailbox (9), the bottom side of the stone Screening Network (901) is provided with vibrating motor (10), stone screen
Unqualified stone discharge port (902) is offered on the side wall of the stone screen branch mailbox (9) of the low side of subnetting (901), it is described horizontal
Cement box (4) and water tank (5), the Horizontal stirring bucket of the underface of the cement box (4) is respectively set in the upper right side of agitator (1)
(1) it is provided on roof support base (7), is provided with electromagnetism between the discharge port and Horizontal stirring bucket (1) of the cement box (4)
Valve, the water tank (5) are connected with the sparge pipe (103) being arranged on Horizontal stirring bucket (1) inner roof wall, and the water tank (5) goes out
Flow valve is provided between the mouth of a river and sparge pipe (103), the lower end of the sparge pipe (103) is uniformly provided with sprinkler head (104),
Four edges of the bottom of the Horizontal stirring bucket (1) are provided with support leg (105), the bottom of the Horizontal stirring bucket (1)
Wall center is provided with concrete discharge port (106), and solenoid valve is provided at the concrete discharge port (106), described sleeping
Temperature sensor is provided on the inner sidewall of formula agitator (1) lower end, sand screening case (8) is close to sand Screening Network
(801) it is provided with upper limit level-sensing device on the inner wall of lower side, is provided with lower limit material on the downside wall of sand screening case (8)
Position meter, the stone screen branch mailbox (9) are provided with upper limit level-sensing device, institute on the inner wall of stone Screening Network (901) lower side
It states and is provided with lower-limit change level indicator on the downside wall of stone screen branch mailbox (9), be provided with the upper limit on the upper end side wall of the cement box (4)
Level-sensing device is provided with lower-limit change level indicator on the downside wall of the cement box (4), is provided on the upper end side wall of the water tank (5)
Upper limit level meter is provided with bottom limit level meter on the downside wall of the water tank (5), sets on the outer wall of the Horizontal stirring bucket (1)
It is equipped with PLC controller (11), warning device is provided on the PLC controller (11), is provided on the PLC controller (11)
Weight display screen and flow indication screen, the driving motor (6), vibrating motor (10), solenoid valve, flow valve, weighing sensor,
Temperature sensor, upper limit level-sensing device, lower-limit change level indicator, upper limit level meter and bottom limit level meter are connected with PLC controller (11).
2. integration concrete mixing plant as described in claim 1, it is characterised in that: the lower end of the Horizontal stirring bucket (1)
For arc structure.
3. integration concrete mixing plant as described in claim 1, it is characterised in that: the warning device include alarm lamp and
Buzzer.
4. integration concrete mixing plant as described in claim 1, it is characterised in that: the outer wall of the Horizontal stirring bucket (1)
On offer observation window.
5. integration concrete mixing plant as described in claim 1, it is characterised in that: set below the support leg (105)
It is equipped with the universal wheel with fixed device.
6. integration concrete mixing plant as described in claim 1, it is characterised in that: the interior table of the Horizontal stirring bucket (1)
Face is provided with epoxy novolac corrosion-inhibiting coating.
7. integration concrete mixing plant as described in claim 1, it is characterised in that: the agitating shaft (101) and paddle
(102) outer surface is provided with silicon carbide wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154065.5U CN208359077U (en) | 2018-01-30 | 2018-01-30 | Integrated concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820154065.5U CN208359077U (en) | 2018-01-30 | 2018-01-30 | Integrated concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208359077U true CN208359077U (en) | 2019-01-11 |
Family
ID=64913187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820154065.5U Expired - Fee Related CN208359077U (en) | 2018-01-30 | 2018-01-30 | Integrated concrete mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208359077U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424919A (en) * | 2020-04-09 | 2020-07-17 | 四川华远建设工程有限公司 | Epoxy resin ground construction system and process |
| CN111976011A (en) * | 2020-08-27 | 2020-11-24 | 江西科技学院 | Self-compaction concrete proportioning machine |
| CN112140337A (en) * | 2020-09-23 | 2020-12-29 | 周伟 | Cement mixing plant for interior decoration |
| CN112452286A (en) * | 2020-12-15 | 2021-03-09 | 辽宁荣邦科技有限公司 | Preparation device and method of magnesium hydroxide slurry |
| CN113354371A (en) * | 2021-05-28 | 2021-09-07 | 江苏路易达工程科技有限公司 | Grouting material special for semi-flexible pavement and preparation method thereof |
| CN114147861A (en) * | 2021-12-02 | 2022-03-08 | 国网北京市电力公司 | Intelligent mixing system for mountainous concrete and operation method |
| CN115179432A (en) * | 2022-07-06 | 2022-10-14 | 安徽理工大学 | Device and method for preparing concrete with ultrahigh toughness and large deformation |
-
2018
- 2018-01-30 CN CN201820154065.5U patent/CN208359077U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424919A (en) * | 2020-04-09 | 2020-07-17 | 四川华远建设工程有限公司 | Epoxy resin ground construction system and process |
| CN111424919B (en) * | 2020-04-09 | 2022-05-13 | 四川华远建设工程有限公司 | Epoxy resin ground construction system and process |
| CN111976011A (en) * | 2020-08-27 | 2020-11-24 | 江西科技学院 | Self-compaction concrete proportioning machine |
| CN112140337A (en) * | 2020-09-23 | 2020-12-29 | 周伟 | Cement mixing plant for interior decoration |
| CN112452286A (en) * | 2020-12-15 | 2021-03-09 | 辽宁荣邦科技有限公司 | Preparation device and method of magnesium hydroxide slurry |
| CN113354371A (en) * | 2021-05-28 | 2021-09-07 | 江苏路易达工程科技有限公司 | Grouting material special for semi-flexible pavement and preparation method thereof |
| CN114147861A (en) * | 2021-12-02 | 2022-03-08 | 国网北京市电力公司 | Intelligent mixing system for mountainous concrete and operation method |
| CN115179432A (en) * | 2022-07-06 | 2022-10-14 | 安徽理工大学 | Device and method for preparing concrete with ultrahigh toughness and large deformation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20210130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |