CN221291845U - Accurate discharge apparatus of dry powder cement and cement paste car - Google Patents
Accurate discharge apparatus of dry powder cement and cement paste car Download PDFInfo
- Publication number
- CN221291845U CN221291845U CN202323177980.6U CN202323177980U CN221291845U CN 221291845 U CN221291845 U CN 221291845U CN 202323177980 U CN202323177980 U CN 202323177980U CN 221291845 U CN221291845 U CN 221291845U
- Authority
- CN
- China
- Prior art keywords
- dry powder
- powder cement
- tank
- cement
- auger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004568 cement Substances 0.000 title claims abstract description 161
- 239000000843 powder Substances 0.000 title claims abstract description 132
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
Accurate discharge apparatus of dry powder cement and cement paste car, this accurate discharge apparatus of dry powder cement includes: the device comprises a dry powder cement tank, a weighing assembly connected with the dry powder cement tank and an auger conveying assembly arranged at the bottom of the dry powder cement tank; a plurality of arch breaking air disc components are arranged in the dry powder cement tank; the outer wall of the dry powder cement tank is connected with a vibrator for vibrating and blanking. According to the application, dry powder cement is conveyed at a constant speed and quantitatively, the dry powder cement is ensured to be vibrated and fluffy under the high-frequency vibration effect of the arch breaking air disc assembly, the downward flow effect of the dry powder cement is ensured, and the residual materials are vibrated and fallen through the vibrator, so that manual intervention is reduced. In addition, the application also provides a cement paste cleaning vehicle, which is characterized in that water and dry powder cement are split and then enter a stirring tank for mixing and stirring according to a set proportion, the overall proportion is uniform, the difficulty of concentration proportion of cement paste is reduced, the human intervention is reduced, the stirring and mixing speed is accelerated, and the precise regulation and control of the cement paste blending ratio and blending quantity are greatly improved.
Description
Technical field:
The utility model relates to the technical field of construction equipment, in particular to a dry powder cement accurate discharging device and a cement paste cleaning vehicle.
The background technology is as follows:
Along with the high-speed construction of the country, the country pays attention to the road construction edition, and the application of the cement paste is very wide, so that the cement paste can be used for construction, highway, bridge, water conservancy projects and other projects, and can also be used for manufacturing concrete products and paint, waterproof materials and the like.
In addition, the cement paste can be used for earthquake-proof engineering, and the earthquake-proof performance of the building can be improved. The cement paste vehicle is a vehicle type in road construction, and a semi-automatic cement paste vehicle is currently available on the market, and only a water tank and a stirring tank are present. The dry powder cement is manually added into the stirring bin, and then water is added into the stirring bin through the water tank to be stirred, so that the sprinkling operation can be performed. The concentration ratio of cement paste is difficult to control, strong experience is needed to meet the practical requirement, manpower is wasted, and limitation is very large. Meanwhile, when the dry powder cement is stirred and mixed with water, the stirring and mixing effects can be greatly improved when the dry powder cement is in a loose transportation and conveying state; the existing manual pouring of the dry powder cement causes uncontrollable amount of the dry powder cement poured into the stirring tank, and the dry powder cement is directly immersed into the bottom of the stirring tank after being poured in a large amount, and is mixed with water after stirring up again, so that the dry powder cement dissolution efficiency is low, and the cement slurry proportion is uneven.
The utility model comprises the following steps:
In view of this, it is necessary to design a accurate discharge apparatus of dry powder cement and cement paste cleaning vehicle, through at the uniform velocity, quantitative transport dry powder cement to guarantee that dry powder cement shakes and shakes fluffy under high-frequency vibration effect, guarantee the downflow effect of dry powder cement, and shake the clout through the vibrator and fall, reduce manual intervention.
In a first aspect, the application provides a dry powder cement accurate discharging device, which comprises a dry powder cement tank vertically assembled, a weighing assembly connected with the dry powder cement tank, and an auger conveying assembly arranged at the bottom of the dry powder cement tank; wherein,
A plurality of arch breaking air disc components are arranged in the dry powder cement tank;
The outer wall of the dry powder cement tank is connected with a vibrator for vibrating blanking;
the auger delivery assembly includes: the auger is rotatably connected to the bottom of the dry powder cement tank, and an auger motor is used for driving the auger to rotate;
The end of auger is equipped with driven belt pulley, be provided with drive belt pulley on the output shaft of auger motor, drive belt pulley with be connected with drive belt between the driven belt pulley.
Preferably, the top of the dry powder cement tank is provided with a feeding tank cover, and the lower part of the dry powder cement tank is a conical material guide cavity;
The auger is rotatably positioned at the bottom of the material guide cavity.
Preferably, a control valve plate matched with the auger conveying assembly is arranged at the bottom of the material guide cavity.
Preferably, the dry powder cement accurate discharging device further comprises a fixed bottom plate, and support columns for supporting the dry powder cement tank are oppositely arranged on the fixed bottom plate;
The support column supports the dry powder cement tank and the fixed bottom plate, and a weighing gap is formed between the support column and the dry powder cement tank.
Preferably, the weighing assembly is assembled at the junction of the support column and the dry powder cement silo.
Preferably, the plurality of arch breaking air disc assemblies are sequentially arranged in the material guide cavity at intervals.
Preferably, the vibrator is attached to the conical outer wall of the dry powder cement silo.
Preferably, the vibrator vibrates with continuous vibration or intermittent vibration to fall off the attached remainder on the inner wall of the dry powder cement tank.
Preferably, the fixed bottom plate is provided with a side decorative plate which is attached to the dry powder cement tank and used for shielding the conical outer wall of the dry powder cement tank.
According to the utility model, dry powder cement is conveyed at a constant speed and quantitatively, the dry powder cement is ensured to be vibrated and fluffy under the high-frequency vibration effect of the arch breaking air disc assembly, the downward flow effect of the dry powder cement is ensured, and the residual materials are vibrated and fallen through the vibrator, so that manual intervention is reduced.
In a second aspect, the present application provides a cement paste vehicle comprising: moving the vehicle body;
the movable vehicle body is provided with a water tank and the dry powder cement accurate discharging device according to the first aspect;
the movable vehicle body is also provided with a stirring tank and a sprinkling system; wherein,
The water tank conveys quantitative water and the dry powder cement accurate discharging device to the stirring tank for stirring and mixing, and then the quantitative dry powder cement is uniformly sprayed through the sprinkling system.
According to the application, after the water and the dry powder cement are packaged, the water and the dry powder cement are mixed and stirred in the stirring tank according to the set proportion, the overall proportion is uniform, the difficulty of proportioning the concentration of the cement paste is reduced, the human intervention is reduced, the stirring and mixing rate is accelerated, and the precise regulation and control of the blending ratio and the blending amount of the cement paste are greatly improved.
Description of the drawings:
FIG. 1 is a front view of a dry powder cement silo provided by the utility model;
FIG. 2 is a side view of a dry powder cement silo provided by the utility model;
Fig. 3 is a schematic structural view of the cement paste vehicle provided by the utility model.
Reference numerals:
The cement paste cleaning vehicle comprises the following components, by weight, 100 parts of a cement paste cleaning vehicle, 200 parts of a water tank, 300 parts of a dry powder cement tank, 310 parts of a feeding tank cover, 320 parts of an arch breaking air disc assembly, 330 parts of a packing auger, 331 parts of a driven pulley, 340 parts of a fixed bottom plate, 350 parts of a side decorative plate, 360 parts of a supporting column, 370 parts of a vibrator, 380 parts of a driving pulley, 381 parts of a first transmission belt, 390 parts of a weighing assembly, 400 parts of a stirring tank and 500 parts of a spreading system.
The specific embodiment is as follows:
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made to the embodiments illustrated in the drawings and specific language will be used to describe the same.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1 and 2, fig. 1 and 2 are front and side views, respectively, of a dry powder cement silo provided by the present utility model, the dry powder cement precision discharging device comprises a vertically assembled dry powder cement silo 300; the dry powder cement tank 300 is conveyed to the stirring tank 400 in a mode of weight monitoring and uniform speed transmission to be stirred and mixed with water, a cement oar with uniform proportion is formed, the proportion is adjustable and controllable, and unnecessary waste is reduced.
The dry powder cement tank 300 is used for bearing dry powder cement, and the dry powder cement is placed on a construction site by adopting bags and is taken and used at any time. The top of the dry powder cement tank 300 is provided with a feeding tank cover 310, and the lower part of the dry powder cement tank 300 is a conical material guide cavity; when the dry powder cement is poured into the dry powder cement tank 300, a plurality of bags of dry powder cement are poured into the dry powder cement tank 300 by opening the feeding tank cover 310, and the feeding tank cover 310 is closed, so that the rainwater resistance and the dryness of the dry powder cement are ensured.
When the dry powder cement is precisely introduced into the stirring tank 400 in a quantitative manner, the lower part of the dry powder cement tank 300 is a conical material guide cavity; the auger delivery assembly is rotatably positioned at the bottom of the material guiding cavity, and the material conveying end of the auger delivery assembly is connected with the stirring tank 400. The stirring assembly is rotatably connected to the inside of the stirring tank 400, so that the uniformly transferred dry powder cement and water are rapidly and uniformly mixed.
The amount of the dry powder cement conveyed by the auger conveying assembly is precisely controllable. Specifically, the dry powder cement accurate discharging device further comprises a fixed bottom plate 340 fixedly arranged on the mobile vehicle body 100, and support columns 360 for supporting the dry powder cement tank 300 are oppositely arranged on the fixed bottom plate 340; a weighing assembly 390 is provided at the junction of the support column 360 and the dry powder cement silo 300. The support columns 360 support the dry powder cement silo 300 in a weighing gap from the fixed bottom plate 340. The dosage of the dry powder cement is accurately measured through the weighing component 390, so that the proportioning reliability of the cement paste is realized.
Meanwhile, the application adopts the arch-breaking air disc assemblies 320 to assist loosening of the dry powder cement in the lower material guiding cavity, and a plurality of arch-breaking air disc assemblies 320 are sequentially arranged in the material guiding cavity at intervals. Avoiding the agglomeration of the dry powder cement. By utilizing the reliability and flexibility of the arch-breaking air disk assembly 320, the agglomeration phenomenon of the dry powder cement is avoided in the actual operation process. The arch breaking air disc component 320 shakes and loosens the dense dry powder cement at the lower part of the material guiding cavity due to the gravity pressure by high-frequency vibration, and promotes the dry powder cement to flow downwards.
The conical outer wall of the dry powder cement silo 300 is fitted with a vibrator 370. Through the vibrator 370 that is equipped with, cooperate a plurality of broken gas dish subassemblies 320 that encircle, guarantee that dry powder cement is broken loose, the unloading process is accurate no residue. And the side decorative plates 350 are installed at both sides of the tapered outer wall of the dry powder cement pot 300 to increase the beauty.
When specifically setting up auger delivery assembly, auger delivery assembly includes: auger 330 rotatably connected to the bottom of the material guiding cavity, and an auger motor for driving auger 330 to rotate; wherein, the support column 360 supports the dry powder cement pot 300 at a certain gap from the fixed bottom plate 340, so as to realize accurate measurement data of the weighing assembly 390. The bottom of the dry powder cement tank 300 is a U-shaped accommodating cavity, the auger 330 is rotatably positioned in the U-shaped accommodating cavity to accurately convey dry powder cement, a control valve plate is arranged at the same end of the U-shaped accommodating cavity, the opening and closing of the control valve plate are controlled by an operator in the mobile vehicle body 100, and the conveying quantity of the dry powder cement is obtained through a data monitoring system on the mobile vehicle body 100 at any moment. In the process of uniform rotation, the auger 330 can stably and controllably transmit dry powder cement in the same time, so as to ensure consistent cement slurry concentration and scientific operation in the operation process. Because the cement paste concentration required by different pavements is different, the rotating speed of the auger conveying assembly can be adjusted through the frequency converter, so that the overall required cement paste concentration is controlled.
When the auger 330 is specifically driven to rotate, a driven pulley 331 is mounted at the end of the auger 330, a driving pulley 380 is disposed on an output shaft of the auger motor, and a first transmission belt 381 is connected between the driving pulley 380 and the driven pulley 331. The dry powder cement is transversely conveyed through the auger 330, and is ensured to be broken and loose under the action of the plurality of arch-breaking air disc assemblies 320, and the vibrator 370 ensures that no adhesion residues exist in the discharging process of the dry powder cement tank 300. Vibrator 370 shakes off the adhered remainder of the dry powder cement silo inner wall with continuous vibration or intermittent vibration. When the vibrator 370 is operated with intermittent vibration, the intermittent period is vibration every 1 minute. It can be seen that some surplus materials are inevitably accumulated on the inner wall of the material guiding cavity at the lower part of the dry powder cement pot 300 due to the gravity, if the surplus materials are not cleaned, the surplus materials are accumulated for a long time, equipment is blocked, and materials are wasted. The vibrator 370 is installed, so that the excess materials can be easily shaken off, the trouble of manual cleaning is avoided, and the efficient and environment-friendly operation is achieved.
According to the utility model, dry powder cement is conveyed at a constant speed and quantitatively, the dry powder cement is ensured to be vibrated and fluffy under the high-frequency vibration effect of the arch breaking air disc assembly 320, the downward flow effect of the dry powder cement is ensured, and the rest materials are vibrated and fallen through the vibrator 370, so that manual intervention is reduced.
In addition, the present application provides a cement paste vehicle comprising: a mobile vehicle body 100; the movable vehicle body 100 is provided with a water tank 200 and the dry powder cement accurate discharging device; the mobile car body 100 is also provided with a stirring tank 400 and a sprinkling system 500; the water tank 200 conveys quantitative water and the dry powder cement to the stirring tank 400 by the dry powder cement accurate discharging device, and uniformly sprays the quantitative dry powder cement to the stirring tank 400 by the sprinkling system 500. Specifically, the dry powder cement tank 300 and the stirring tank 400 of the present application are both subjected to anti-corrosion electrophoresis, and the water tank 200 can be subjected to electrophoresis according to the needs of customers.
According to the application, after the water and the dry powder cement are packaged, the water and the dry powder cement are mixed and stirred in the stirring tank according to the set proportion, the overall proportion is uniform, the difficulty of proportioning the concentration of the cement paste is reduced, the human intervention is reduced, the stirring and mixing rate is accelerated, and the precise regulation and control of the blending ratio and the blending amount of the cement paste are greatly improved.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined under the idea of the present disclosure, the steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments of the present description as above, which are not provided in details for the sake of brevity.
Additionally, for simplicity of illustration and discussion, and so as not to obscure the one or more embodiments of the specification, the apparatus may be shown in block diagram form in order to avoid obscuring the one or more embodiments of the specification, and this also contemplates the fact that specifics with respect to implementation of such block diagram apparatus are highly dependent on the platform on which the one or more embodiments of the specification are to be implemented (i.e., such specifics should be well within purview of one skilled in the art). Where specific details are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.
Claims (10)
1. Accurate discharge apparatus of dry powder cement, its characterized in that includes: the device comprises a dry powder cement tank vertically assembled, a weighing assembly connected with the dry powder cement tank, and an auger conveying assembly arranged at the bottom of the dry powder cement tank; wherein,
A plurality of arch breaking air disc components are arranged in the dry powder cement tank;
The outer wall of the dry powder cement tank is connected with a vibrator for vibrating blanking;
the auger delivery assembly includes: the auger is rotatably connected to the bottom of the dry powder cement tank, and an auger motor is used for driving the auger to rotate;
The end of auger is equipped with driven belt pulley, be provided with drive belt pulley on the output shaft of auger motor, drive belt pulley with be connected with drive belt between the driven belt pulley.
2. The dry powder cement accurate discharging device according to claim 1, wherein a feeding tank cover is arranged at the top of the dry powder cement tank, and a conical material guiding cavity is arranged at the lower part of the dry powder cement tank;
The auger is rotatably positioned at the bottom of the material guide cavity.
3. The dry powder cement accurate discharging device according to claim 2, wherein a control valve plate matched with the auger delivery assembly is arranged at the bottom of the material guide cavity.
4. The dry powder cement accurate discharging device according to claim 1, further comprising a fixed bottom plate, wherein support columns for supporting the dry powder cement tank are oppositely arranged on the fixed bottom plate;
The support column supports the dry powder cement tank and the fixed bottom plate, and a weighing gap is formed between the support column and the dry powder cement tank.
5. The dry powder cement accurate discharging device of claim 4, wherein the weighing assembly is assembled at the junction of the support column and the dry powder cement tank.
6. The dry powder cement accurate discharging device according to claim 2, wherein the plurality of arch-breaking air disc assemblies are sequentially installed in the material guiding cavity at intervals.
7. The dry powder cement accurate discharging device of claim 6, wherein the vibrator is attached to the conical outer wall of the dry powder cement tank.
8. The dry powder cement accurate discharging device according to claim 7, wherein the vibrator vibrates with continuous vibration or intermittent vibration to fall off the attached remainder of the inner wall of the dry powder cement tank.
9. The dry powder cement accurate discharging device according to claim 4, wherein the fixed bottom plate is provided with a side decorative plate which is attached to the dry powder cement tank and used for shielding the conical outer wall of the dry powder cement tank.
10. A cementitious slurry vehicle comprising: moving the vehicle body;
The movable vehicle body is provided with a water tank and the dry powder cement accurate discharging device as set forth in any one of claims 1 to 9;
the movable vehicle body is also provided with a stirring tank and a sprinkling system; wherein,
The water tank conveys quantitative water and the dry powder cement accurate discharging device to the stirring tank for stirring and mixing, and then the quantitative dry powder cement is uniformly sprayed through the sprinkling system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323177980.6U CN221291845U (en) | 2023-11-24 | 2023-11-24 | Accurate discharge apparatus of dry powder cement and cement paste car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323177980.6U CN221291845U (en) | 2023-11-24 | 2023-11-24 | Accurate discharge apparatus of dry powder cement and cement paste car |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221291845U true CN221291845U (en) | 2024-07-09 |
Family
ID=91743743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323177980.6U Active CN221291845U (en) | 2023-11-24 | 2023-11-24 | Accurate discharge apparatus of dry powder cement and cement paste car |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221291845U (en) |
-
2023
- 2023-11-24 CN CN202323177980.6U patent/CN221291845U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109126602B (en) | Powder-liquid continuous mixer and continuous metering mixing production line | |
CN105619617B (en) | It is a kind of using building waste material as the concrete mixing plant of raw material | |
CN210361786U (en) | Concrete test block making devices | |
CN107718314A (en) | A kind of highway concrete mixed in transit device and its application method | |
CN109352821B (en) | Concrete batching, stirring and conveying system and control method thereof | |
WO1996015889A1 (en) | Mobile concrete mixing and delivery system | |
CN110603125A (en) | Method for producing concrete building materials | |
JP6387572B2 (en) | Method and apparatus for hydrating earth and sand | |
CN221291845U (en) | Accurate discharge apparatus of dry powder cement and cement paste car | |
CN206030240U (en) | Even batching unit of stabilized soil mixing plant pay -off | |
CN208220226U (en) | Concrete entirety irrigation device | |
JP2007015184A (en) | Continuous kneading method for monolithic refractory containing large coarse particles and continuous kneading machine | |
CN115139412B (en) | Concrete mixing mechanism for pile foundation construction | |
JP4077234B2 (en) | Concrete manufacturing method and concrete manufacturing apparatus | |
CN108905865B (en) | A kind of highway concrete mixed in transit device and its application method | |
CN215050059U (en) | Intelligent integrated equipment of drying in air of stand | |
CN214082145U (en) | Powder feeding device of concrete mixing plant | |
CN214521132U (en) | Multifunctional intermittent stirring equipment | |
JP3229940B2 (en) | Continuous kneading machine | |
CN112356268B (en) | Slag powder concrete production process and system | |
CN217434679U (en) | Cement concrete mixing plant and have its cement concrete mixing plant | |
CN209333688U (en) | A kind of asphalt concrete batching & mixing plant rock asphalt automatical feeding system | |
CN111730747A (en) | Integrated subway mortar mixing station | |
CN220908071U (en) | Sand and stone curing agent spraying and conveying device | |
CN110639398A (en) | Liquid material and powder stirring equipment for preparing waterproof coating |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant |