CN206436383U - Liquid material essence weighing device, liquid-supplying system and concrete mixing plant - Google Patents
Liquid material essence weighing device, liquid-supplying system and concrete mixing plant Download PDFInfo
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- CN206436383U CN206436383U CN201621385856.6U CN201621385856U CN206436383U CN 206436383 U CN206436383 U CN 206436383U CN 201621385856 U CN201621385856 U CN 201621385856U CN 206436383 U CN206436383 U CN 206436383U
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Abstract
The utility model discloses a kind of smart weighing device of liquid material, liquid-supplying system and concrete mixing plant, on the one hand, because the internal diameter of the second drain pipe is smaller than the internal diameter of the first drain pipe, first can slightly be expressed one's gratification fast feed flow with the first drain pipe to liquid storage scale hooper, when the weight or volume of liquid in liquid storage scale hooper is reached preset value, essence is carried out to liquid storage scale hooper with the second drain pipe again to claim to supplement at a slow speed, until reaching required value, it can avoid because the first drain pipe internal diameter is big, flow rate of liquid is fast, it is difficult to control in time, and there is phenomenon of the liquid material more than desirable value flowed into liquid storage scale hooper, further increase the accuracy of feed flow；On the other hand, in the smart title stage, only the liquid material in liquid storage scale hooper is supplemented at a slow speed by the liquid material being retained in feed tube and tee pipe fitting, the now storage element of feed tube and tee pipe fitting equivalent to liquid material, the feed tube and tee pipe fitting can voluntarily manufacture outer, the pipeline and pipe fitting of standard can also be used, it is possible to decrease cost.
Description
Technical field
The utility model is related to concrete batch plant technical field, more particularly to a kind of smart weighing device of liquid material, feed flow system
System and concrete mixing plant.
Background technology
It is that many fields of accuracy in an indispensable link in liquid-supplying system, to(for) weighing will that liquid material, which is weighed,
Ask very high.By taking the liquid material supply of concrete mixing plant as an example, the additional dosage needed for accurate measurement ready-mixed concrete affects production
The quality and production efficiency of product.
As shown in application number 201320523434.0, smart weighing device of the prior art includes essence and claims case and essence title mostly
What case was connected is used to claim the water influent pipeline of conveying additive, essence claim box top to open up in case main liquid outlet and master to go out liquid to smart
The smart title liquid outlet and essence that pipeline and essence title bottom portion are opened up weigh up liquid pipeline, wherein essence claims the size of liquid outlet to go out less than master
The size of liquid mouthful so that claim liquid outlet to reach that essence claims effect by the main liquid outlet at top and the essence of bottom.Although the essence claims dress
The accuracy of feed flow can be improved to a certain extent by putting, but on the one hand be switched not in time because main drain pipe road is without switch control,
Certain weighing error can be caused, on the other hand, because main drain pipe crossing footpath is larger, low-response during thick title feed liquor causes essence
Temporary volume needed for claiming is big, so essence claims the general volume of case larger, manufacture inconvenience cost is higher, and installation and repairing is also inconvenient.
So, how a kind of essence is provided and claims the smart weighing device that accuracy is high, easily manufactured, cost is low to be urgently to be resolved hurrily one in the field
Technical problem.
Utility model content
In view of this, the utility model proposes a kind of smart weighing device of liquid material, liquid-supplying system and concrete mixing plant, to solve
The problem of smart weighing device precision is not high, complicated, manufacturing cost is high.
A kind of smart weighing device of liquid material, including：Feed tube, tee pipe fitting, the first drain pipe, the second drain pipe, it is arranged on institute
The second switch stated first switch on the first drain pipe and be arranged on second drain pipe, the outlet of the feed tube with
The first port connection of the tee pipe fitting, the entrance of first drain pipe is connected with the second port of the tee pipe fitting,
The entrance of second drain pipe is connected with the 3rd port of the tee pipe fitting, and the internal diameter of first drain pipe is than described
The internal diameter of two drain pipes is big, and the feed tube is located at the top of the first drain pipe and the second drain pipe.
The smart weighing device of liquid material that the utility model is provided, on the one hand, because the internal diameter of the second drain pipe is than the first drain pipe
Internal diameter it is small, so the fast feed flow that first can slightly be expressed one's gratification to liquid storage scale hooper with the first drain pipe, makes liquid in liquid storage scale hooper
Weight or volume reach certain close to desirable value preset value when, then essence carried out with the second drain pipe to liquid storage scale hooper claim at a slow speed
Supplement, until the weight or volume of liquid reaches required value in liquid storage scale hooper, can be avoided because the first drain pipe internal diameter is big,
Flow rate of liquid is fast, it is difficult to control in time, and phenomenon of the liquid material more than desirable value flowed into liquid storage scale hooper occurs, further carries
The high accuracy of feed flow；On the other hand, in the smart title stage, only by the liquid material that is retained in feed tube and tee pipe fitting to storage
Liquid material in liquid scale hooper is supplemented at a slow speed, and now feed tube and tee pipe fitting, should equivalent to the storage element of a liquid material
Feed tube and tee pipe fitting can voluntarily manufacture outer, can also use the pipeline and pipe fitting of standard, simple and reliable for structure, and without in addition
Manufacture, using more convenient, it is possible to decrease manufacture installation cost.
Further, the tee pipe fitting includes top port, lower section port and lateral port；
The top port is connected with the outlet of the feed tube, is the first port；
The lower section port is connected with the entrance of first drain pipe, is the second port；
The lateral port is connected with the entrance of second drain pipe, is the 3rd port.
Further, the tee pipe fitting includes top port, lower section port and lateral port；
The top port is connected with the outlet of the feed tube, is the first port；
The lower section port is connected with the entrance of second drain pipe, is the 3rd port；
The lateral port is connected with the entrance of first drain pipe, is the second port.
Further, the tee pipe fitting includes left side port, Centronics port and right side port, and the Centronics port is higher than
The left side port and the right side port；
The Centronics port is connected with the outlet of the feed tube, is the first port；
The left side port is connected with the entrance of first drain pipe, is the second port；
The right side port is connected with the entrance of second drain pipe, is the 3rd port.
Further, the tee pipe fitting includes left side port, Centronics port and right side port, and the Centronics port is higher than
The left side port and the right side port；
The Centronics port is connected with the outlet of the feed tube, is the first port；
The left side port is connected with the entrance of second drain pipe, is the 3rd port；
The right side port is connected with the entrance of first drain pipe, is the second port.
Further, the first switch is spring-loaded check valve, and/or, the second switch is electric-control stop valve.
Further, the 3rd switch is additionally provided with second drain pipe, the 3rd on-off ratio second switch is more leaned on
The entrance of nearly second drain pipe.
On the other hand, the utility model also provides a kind of liquid-supplying system, including the smart weighing device of above-mentioned arbitrary liquid material and storage
Liquid scale hooper, the liquid storage scale hooper is connected with the outlet of first drain pipe and the outlet of second drain pipe.
Further, the liquid-supplying system, in addition to solution feed pump, is connected with the feed tube.
On the other hand, the utility model also provides a kind of concrete mixing plant, including above-mentioned arbitrary liquid-supplying system.
Brief description of the drawings
Constitute a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation of the smart weighing device of the utility model liquid material.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Basic thought of the present utility model is：The first drain pipe and the second drain pipe for setting internal diameter different, are feed flow
Thick title stage and smart title stage are provided, stored up with improving the accuracy that liquid material essence claims, and liquid material being formed by feed tube and tee pipe fitting
Memory cell, it is simple and reliable for structure, it is easily manufactured, it is possible to decrease installation cost.
As shown in Figure 1, it is shown that first embodiment of the present utility model, the smart weighing device of a kind of liquid material, including：Feed tube 1,
Tee pipe fitting 2, the first drain pipe 6, the second drain pipe 5, the first switch 3 being arranged on the first drain pipe 6 and it is arranged on second
Second switch 4 on drain pipe 5, the outlet of feed tube 1 is connected with the first port of tee pipe fitting 2, the entrance of the first drain pipe 6
It is connected with the second port of tee pipe fitting 2, the entrance of the second drain pipe 5 is connected with the 3rd port of tee pipe fitting 2, first goes out liquid
The internal diameter of pipe 6 is bigger than the internal diameter of the second drain pipe 5, and the feed tube 1 is located at the top of the first drain pipe 6 and the second drain pipe 5.
Liquid material essence weighing device is in feed flow in use, needing to claim stage and two processes of smart title stage by thick, its is specific
Operation principle and process are as follows：
(1) when needing to weigh the liquid materials such as water, additive, the thick title stage is initially entered, liquid material is conveyed to feed tube 1, and
The first switch 3 on the first drain pipe 6, the second switch 4 closed on the second drain pipe 5 are opened, feed tube 1 is now delivered to
Liquid material will enter the first drain pipe 6 and the second drain pipe 5 by tee pipe fitting 2, because first switch 3 is opened, second switch 4 is closed
Close, so liquid material is only by the first big drain pipe 6 of internal diameter, the input of fast speed is extremely used for containing the liquid storage scale hooper of liquid
In, when the weight or volume for entering the liquid in the liquid storage scale hooper reaches certain preset value, first switch 3 is closed immediately, it is complete
Into the thick title stage.More specifically, the preset value of the weight or volume can voluntarily be set according to actual needs by operating personnel,
Certain default graduation mark etc. in arbitrary value in the %-% of for example, required liquid material weight or volume, liquid storage scale hooper.
(2) after the completion of the thick title stage, immediately into the smart title stage, stop conveying liquid material to feed tube 1 and open second
Second switch 4 in liquid pipe 5, because the feed tube 1 is located at the top of the first drain pipe 6 and the second drain pipe 5, now feed liquor
Pipe 1 and tee pipe fitting 2 equivalent to a liquid material storage element, because first switch 3 is closed, second switch 4 is opened, so losing
The second drain pipe 5 that the liquid material stayed in the storage element is only connected by the 3rd port with tee pipe fitting 2 input at a slow speed to
In liquid storage scale hooper, until the weight or volume of liquid reaches required value in liquid storage scale hooper.
In this embodiment, on the one hand, because the internal diameter of the second drain pipe 5 is smaller than the internal diameter of the first drain pipe 6, so can
First liquid storage scale hooper is slightly expressed one's gratification with the first drain pipe 6 fast feed flow, reach the weight or volume of liquid in liquid storage scale hooper
During to certain close to the preset value of desirable value, then essence is carried out with the second drain pipe 5 to liquid storage scale hooper claim to supplement at a slow speed, until liquid storage
The weight or volume of liquid reaches required value in scale hooper, can avoid because the internal diameter of the first drain pipe 6 is big, flow rate of liquid is fast,
Control in time is difficult to, and phenomenon of the liquid material more than desirable value flowed into liquid storage scale hooper occurs, feed flow is further increased
Accuracy, this claims to be particularly important in the high field of required precision in essence；On the other hand, in the smart title stage, only by leaving
Liquid material in feed tube 1 and tee pipe fitting 2 is supplemented at a slow speed the liquid material in liquid storage scale hooper, now feed tube 1 and three
Way pipe fitting 2 is equivalent to the storage element of a liquid material, and the feed tube 1 and tee pipe fitting 2 can voluntarily manufacture outer, can also use standard
Pipeline and pipe fitting, it is simple and reliable for structure, and without manufacturing in addition, using more convenient, it is possible to decrease manufacture installation cost.
To improve the feed flow efficiency of the smart weighing device of liquid material in use, slightly claiming the stage, first can be also opened simultaneously
The second switch 4 on the drain pipe 5 of first switch 3 and second on drain pipe 6, it is same using the first drain pipe 6 and the second drain pipe 5
When be liquid storage scale hooper feed flow, improve the thick liquid supply speed for claiming the stage, improve feed flow efficiency.
In the smart weighing device of the liquid material, feed tube 1, the first drain pipe 6, the shape of the second drain pipe 5, structure, orientation with
And the elbow quantity set etc., the utility model is not construed as limiting.It is preferred that, feed tube 1, the first drain pipe 6, the second drain pipe
5 are set to the connection orientation of tee pipe fitting 2：On tee pipe fitting 2, the first port being connected with the outlet of feed tube 1 is located at
The second port being connected with the entrance of the first drain pipe 6 and the top for the 3rd port being connected with the entrance of the second drain pipe 5, with
Make the liquid material for being delivered to feed tube 1, the first drain pipe 6 and the second drain pipe 5 can be entered under gravity, without external force
Effect conveying liquid material.
It should be noted that in the embodiment in figure 1, the tee pipe fitting 2 includes top port, lower section port and side
Port；The top port is connected with the outlet of the feed tube 1, is the first port；The lower section port and described the
The entrance connection of one drain pipe 6, is the second port；The lateral port is connected with the entrance of second drain pipe 5, is
3rd port.
The setting of tee pipe fitting 2 is also not necessarily limited to above-mentioned connected mode, such as：The tee pipe fitting 2 includes top port, lower section
Port and lateral port；The top port is connected with the outlet of the feed tube 1, is the first port；The lower end
Mouth is connected with the entrance of second drain pipe 5, is the 3rd port；The lateral port and first drain pipe 6
Entrance is connected, and is the second port.It can also be：The tee pipe fitting 2 includes left side port, Centronics port and right-hand end
Mouthful, the Centronics port is higher than the left side port and the right side port；The outlet of the Centronics port and the feed tube 1
Connection, is the first port；The left side port is connected with the entrance of first drain pipe 6, is the second port；Institute
State right side port to be connected with the entrance of second drain pipe 5, be the 3rd port.It can also be：The tee pipe fitting 2 is wrapped
Left side port, Centronics port and right side port are included, the Centronics port is higher than the left side port and the right side port；It is described
Centronics port is connected with the outlet of the feed tube 1, is the first port；The left side port and second drain pipe 5
Entrance connection, be the 3rd port；The right side port is connected with the entrance of first drain pipe 6, is described second
Port.
Further, the first switch 3 is spring-loaded check valve, and spring-loaded check valve is with the unidirectional of certain Opening pressure
Valve, when the pressure of feed tube 1 is larger, spring-loaded check valve is opened, and liquid can flow out from the first drain pipe 6, when the pressure of feed tube 1
When power is smaller, spring-loaded check valve close, liquid can not the first drain pipe 6 flow out and retain in the duct.
Further, the second switch 4 be electric-control stop valve, it is optional but be not limited only to Pneumatic butterfly valve, pneumatic ball valve,
Any one in magnetic valve, angle pedestal valve, controls it to switch by circuit, realizes that what is weighed automatically controls.
It is more highly preferred to, the 3rd switch is additionally provided with the second drain pipe 5, the 3rd on-off ratio second switch 4 is more leaned on
The entrance of nearly second drain pipe 5.3rd switch is electric-control stop valve, optional but be not limited only to Pneumatic butterfly valve, Pneumatic ball
Any one in valve, magnetic valve, angle pedestal valve, controls it to switch by circuit,
In this embodiment, can be called the first smart title stage and the second essence by smart substage by setting up the 3rd switch
In the title stage, details are as follows for its concrete operating principle and process：
(1) in the first smart title stage, operating personnel open second switch 4 and the 3rd and switched, and liquid material is gone out liquid by second
Pipe 5 enters in liquid storage scale hooper, when liquid in liquid storage scale hooper weight or volume close to desirable value (such as required liquid material or volume
%-95% in arbitrary value) when, close second switch 4 and the 3rd and switch, completed for the first smart title stage.
It after the completion of (2) first smart title stages, can enter for the second smart title stage immediately, now second be opened on the second drain pipe 5
Equivalent to one small storage element of pipeline between the switch of pass 4 and the 3rd, opens second switch 4, you can by the small storage element
Interior liquid material is inputted into liquid storage scale hooper, if the weight or volume of liquid reaches required value in liquid storage scale hooper, is terminated
The second smart title stage, if the value needed for the weight or volume of liquid is not up in liquid storage scale hooper, closing second switch 4,
The 3rd switch is opened, the liquid material for being retained in feed tube 1 and tee pipe fitting 2 is entered second switch 4 and switchs the small of formation with the 3rd
In storage element, then second switch 4 is opened, the liquid material in the small storage element is inputted into liquid storage scale hooper, if liquid storage claims
The weight or volume of liquid reaches required value in batch box, then terminates the second smart title stage, if liquid in liquid storage scale hooper
Weight or volume is not up to required value, then repeats the above steps, until the weight or volume of liquid reaches in liquid storage scale hooper
Required value.
In this embodiment, by setting up the 3rd switch, the switch of second switch 4 and the 3rd on the second drain pipe 5 can be made
Between pipeline one small storage element of formation, be called the first essence title stage and the second essence title stage by smart substage, slowly
The liquid material in the small storage element is supplied in liquid storage scale hooper again and again, until needed for the liquid material in liquid storage scale hooper reaches
Value, can avoid the second switch 4 from closing not in time, and the liquid material for occurring flowing into liquid storage scale hooper exceedes desirable value and showed
As further increasing the accuracy of feed flow.
It is more highly preferred to, the small storage element of the pipeline formation between second switch 4 and the 3rd is switched on the second drain pipe 5
In the weight or volume of liquid material that can deposit can sets itself, any given value in the range of such as 1g-5g, 1ml-5ml so grasps
Make personnel then can according to the difference in liquid storage scale hooper between the weight or volume of existing liquid material and required weight or volume,
Precalculating needs to be repeated several times aforesaid operations, needs to close the 3rd switch in time in which time operation.Such as：When liquid storage scale hooper
In existing liquid material weight and required weight between difference be that second switch 4 is opened with the 3rd on 5.3g, the second drain pipe 5
When the weight of current liquid material that can be deposited in the small storage element of pipeline formation between pass is 1g, then operating personnel can quickly,
What need not be noticed is repeated 5 times aforesaid operations, and 5g liquid materials are inputted into liquid storage scale hooper, when carrying out the 6th operation, notices closely
Liquid material situation of change in liquid storage scale hooper, second switch 4 is closed when liquid material reaches desirable value in liquid storage scale hooper in time, is terminated
Feed flow process.
Specifically, can in the small storage element that the pipeline between second switch 4 and the 3rd is switched on the second drain pipe 5 is formed
The weight or volume of liquid storage material, the distance between can be switched, the internal diameter of the second drain pipe 5 is determined according to second switch 4 and the 3rd.
The liquid-supplying system that embodiment of the present utility model is provided, including the smart weighing device of above-mentioned arbitrary liquid material and liquid storage are weighed
Bucket, liquid storage scale hooper is connected with the outlet of the first drain pipe 6 and the outlet of the second drain pipe 5.
In this embodiment, liquid-supplying system includes storing scale hooper, the outlet with the first drain pipe 6 of the smart weighing device of liquid material
Outlet with the second drain pipe 5 is connected, the liquid material for containing and weighing conveying.The splendid attire and the device of weighing are not made uniquely
Limit.
Further to improve the efficiency of the liquid-supplying system feed flow, it is more highly preferred to, the liquid-supplying system, in addition to solution feed pump,
Solution feed pump is connected between material storing box and feed tube 1, is provided external force effect for the conveying of the liquid material of material storing box, is made liquid material flow velocity more
It hurry up.
The utility model also provides a kind of concrete mixing plant, including above-mentioned arbitrary liquid-supplying system, to improve concrete
The accuracy that liquid material is supplied in mixing plant, improves the quality and production efficiency of product.
Above-mentioned concrete mixing plant and supply system are corresponding with the smart weighing device of above-mentioned liquid material, and its technique effect is no longer gone to live in the household of one's in-laws on getting married herein
State.It should be noted that the smart weighing device of above-mentioned liquid material, can be applied to any liquid material and weighs field, the utility model is applied
In concrete mixing plant, preferred embodiment only of the present utility model is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of smart weighing device of liquid material, it is characterised in that including：Feed tube, tee pipe fitting, the first drain pipe, the second drain pipe,
The first switch being arranged on first drain pipe and the second switch being arranged on second drain pipe, the feed tube
Outlet be connected with the first port of the tee pipe fitting, the entrance of first drain pipe and the second end of the tee pipe fitting
Mouth connection, the entrance of second drain pipe is connected with the 3rd port of the tee pipe fitting, the internal diameter of first drain pipe
Internal diameter than second drain pipe is big, and the feed tube is located at the top of the first drain pipe and the second drain pipe.
2. the smart weighing device of liquid material according to claim 1, it is characterised in that the tee pipe fitting include top port, under
Square end mouthful and lateral port；
The top port is connected with the outlet of the feed tube, is the first port；
The lower section port is connected with the entrance of first drain pipe, is the second port；
The lateral port is connected with the entrance of second drain pipe, is the 3rd port.
3. the smart weighing device of liquid material according to claim 1, it is characterised in that the tee pipe fitting include top port, under
Square end mouthful and lateral port；
The top port is connected with the outlet of the feed tube, is the first port；
The lower section port is connected with the entrance of second drain pipe, is the 3rd port；
The lateral port is connected with the entrance of first drain pipe, is the second port.
4. the smart weighing device of liquid material according to claim 1, it is characterised in that the tee pipe fitting include left side port, in
Between port and right side port, the Centronics port be higher than the left side port and the right side port；
The Centronics port is connected with the outlet of the feed tube, is the first port；
The left side port is connected with the entrance of first drain pipe, is the second port；
The right side port is connected with the entrance of second drain pipe, is the 3rd port.
5. the smart weighing device of liquid material according to claim 1, it is characterised in that the tee pipe fitting include left side port, in
Between port and right side port, the Centronics port be higher than the left side port and the right side port；
The Centronics port is connected with the outlet of the feed tube, is the first port；
The left side port is connected with the entrance of second drain pipe, is the 3rd port；
The right side port is connected with the entrance of first drain pipe, is the second port.
6. the smart weighing device of liquid material according to claim 1-5 any one, it is characterised in that the first switch is spring
Check-valves, and/or, the second switch is electric-control stop valve.
7. the smart weighing device of liquid material according to claim 1-5 any one, it is characterised in that on second drain pipe also
It is provided with the 3rd switch, entrance of the 3rd on-off ratio second switch closer to the second drain pipe.
8. a kind of liquid-supplying system, it is characterised in that including the smart weighing device of liquid material and liquid storage described in claim 1-7 any one
Scale hooper, the liquid storage scale hooper is connected with the outlet of first drain pipe and the outlet of second drain pipe.
9. liquid-supplying system according to claim 8, it is characterised in that also including solution feed pump, is connected with the feed tube.
10. a kind of concrete mixing plant, it is characterised in that including the liquid-supplying system described in claim 8-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385856.6U CN206436383U (en) | 2016-12-16 | 2016-12-16 | Liquid material essence weighing device, liquid-supplying system and concrete mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385856.6U CN206436383U (en) | 2016-12-16 | 2016-12-16 | Liquid material essence weighing device, liquid-supplying system and concrete mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206436383U true CN206436383U (en) | 2017-08-25 |
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ID=59647242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621385856.6U Active CN206436383U (en) | 2016-12-16 | 2016-12-16 | Liquid material essence weighing device, liquid-supplying system and concrete mixing plant |
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| CN (1) | CN206436383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738354A (en) * | 2016-12-16 | 2017-05-31 | 三汽车制造有限公司 | Liquid material essence weighing device, liquid-supplying system and concrete mixing plant |
| CN110394900A (en) * | 2019-06-19 | 2019-11-01 | 湖南三一快而居住宅工业有限公司 | ALC production line metering device and its metering method, ALC production equipment |
-
2016
- 2016-12-16 CN CN201621385856.6U patent/CN206436383U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738354A (en) * | 2016-12-16 | 2017-05-31 | 三汽车制造有限公司 | Liquid material essence weighing device, liquid-supplying system and concrete mixing plant |
| CN110394900A (en) * | 2019-06-19 | 2019-11-01 | 湖南三一快而居住宅工业有限公司 | ALC production line metering device and its metering method, ALC production equipment |
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