CN113787615A - Agitating unit is used in aerated brick production - Google Patents
Agitating unit is used in aerated brick production Download PDFInfo
- Publication number
- CN113787615A CN113787615A CN202111117026.0A CN202111117026A CN113787615A CN 113787615 A CN113787615 A CN 113787615A CN 202111117026 A CN202111117026 A CN 202111117026A CN 113787615 A CN113787615 A CN 113787615A
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- Prior art keywords
- stirring
- shaft
- pipe
- wall
- box
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- 239000011449 brick Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 98
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 abstract 1
- 238000010907 mechanical stirring Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a stirring device for aerated brick production, which comprises a box body and a box cover, wherein a plurality of stirring shafts are arranged in the box body, each stirring shaft comprises a pipe body, a plurality of first stirring rods are fixedly arranged on the outer wall of each pipe body, the top of each pipe body protrudes out of the top surface of the box cover, rotary joints are arranged at the end parts of the pipe bodies, the rotary joints are communicated with a collecting pipe, the collecting pipe is communicated with an air outlet of an air pump, a plurality of exhaust holes are formed in the side wall of each pipe body, and the stirring shafts are driven by a first motor; the inside of the pipe body is provided with a spiral shaft, the bottom of a rotating shaft of the spiral shaft protrudes out of the bottom surface of the box body, the spiral shafts are driven by a second motor, and the materials entering the inside of the pipe body can be taken out by the rotating spiral shaft; its novel structure can conveniently carry out effectual mechanical stirring to the material, also can supply the air current, promotes mixed effect, improves fragment of brick shaping quality to can prevent effectively that the material from being detained in (mixing) shaft inside, avoid piling up the caking.
Description
Technical Field
The invention relates to the field of aerated brick production, in particular to a stirring device for aerated brick production.
Background
The aerated cement brick is formed by stirring and condensing aerated small particles and cement, has the excellent performances of light weight, heat preservation, sound insulation and fire prevention, greatly reduces the cost due to the use of small diameter, and is an ideal article for non-bearing walls. The autoclaved aerated concrete brick is mainly prepared by taking cement, slag powder and river sand as production raw materials, mixing, foaming by pressure air, forcibly mixing air into mixed slurry for forming, forming by a concrete mold with a micro-bubble structure, carrying out autoclaved reaction and other processes, and is a novel wall material with the advantages of environmental protection, energy conservation and stable material quality. The raw materials of the aerated brick are usually prepared by stirring and mixing ground mortar, cement and master batch. The existing stirrer comprises a stirring barrel, a stirring shaft, a plurality of stirring blades arranged on the stirring shaft and a motor for driving the stirring shaft to rotate, wherein the motor drives the stirring blades to mix and stir raw materials in the stirring barrel; gas is supplied into the concrete through the stirring shaft, so that stirring and mixing are promoted, and the production quality is improved; however, in the structure, the outer wall of the stirring shaft is inevitably provided with the exhaust holes, and the arrangement of the exhaust holes can cause liquid or small-particle slurry in concrete to enter the stirring shaft, so that the blockage of the air holes can be caused if the concrete is not cleaned, and the accumulation of materials in the stirring shaft can be possibly caused, thereby affecting the subsequent use; even the end part of the stirring shaft is open, the concrete has poor fluidity, so that the discharging of internal materials is not convenient, and the use is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a stirring device for aerated brick production, which is novel in structure, can be used for conveniently and effectively mechanically stirring materials, can also be used for supplying air flow to promote the mixing effect, improves the brick forming quality, can effectively prevent the materials from being retained in a stirring shaft, and avoids stacking and caking.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a stirring device for aerated brick production, which comprises a box body and a box cover, wherein a feeding hopper is communicated and arranged on the box cover, a discharge pipe is communicated and arranged on the side wall of the box body, and a switch valve is arranged on the discharge pipe; the box body is internally provided with a plurality of stirring shafts, each stirring shaft comprises a pipe body, a plurality of first stirring rods are fixedly arranged on the outer wall of each pipe body, the top of each pipe body protrudes out of the top surface of the box cover, rotary joints are arranged at the end parts of the pipe bodies, the rotary joints are communicated with the collecting pipe, the collecting pipe is communicated with an air outlet of the air pump, a plurality of exhaust holes are formed in the side wall of each pipe body, and the stirring shafts are driven by a first motor; the inside of body is equipped with the screw axis, and outstanding bottom surface in the box of pivot bottom of screw axis, many screw axes are driven by the second motor, and the material that gets into the body inside can be taken out to the pivoted screw axis.
In a preferred technical scheme of the invention, a plurality of first stirring rod groups are vertically arranged on the outer wall of the pipe body, each first stirring rod group comprises a plurality of first stirring rods, and the first stirring rods on the same layer are distributed in a circumferential array relative to the axis of the pipe body.
In a preferred technical scheme of the invention, two sides of the first stirring rod extend outwards to be narrowed and are in a blade-shaped structure.
In a preferred technical scheme of the invention, a support is fixedly arranged on the inner wall of the top of a pipe body, a bracket is arranged on the outer side of the bottom of the pipe body through a screw, the bracket comprises a bottom plate and vertical plates fixed on two sides of the bottom plate, the two vertical plates are abutted against two sides of the outer wall of the bottom end of the pipe body and are connected through screws, the bottom plate is positioned below the bottom end of the pipe body, a through hole is formed in the middle of the bottom plate and is matched with a rotating shaft of a spiral shaft, and the spiral shaft is rotatably erected between the support and the bracket; the outer diameter of the spiral shaft is matched with the diameter of the inner wall of the pipe body.
In a preferred technical scheme of the invention, a second stirring rod is fixedly arranged on the outer side of the vertical plate, and the structure of the second stirring rod is the same as that of the first stirring rod.
In a preferred technical scheme of the invention, two opposite supporting frames are arranged in the box body corresponding to the pipe body, each supporting frame comprises a semicircular arc-shaped plate, frame plates are fixedly arranged on two sides of the outer wall of each arc-shaped plate, each frame plate extends towards the side wall direction of the box body and is fixed on the top surface of a supporting block on the inner wall of the box body through a screw, and the two opposite arc-shaped plates form a closed loop structure and are sleeved at the middle position of the pipe body.
In a preferred technical scheme of the invention, the bottom of the box body is obliquely arranged and is obliquely and downwards inclined towards one side of the discharge pipe, and the box cover is parallel to the bottom of the box body; the axes of the stirring shaft and the spiral shaft are both vertical to the bottom surface of the box body.
In a preferred technical scheme of the invention, a first chain wheel is fixedly arranged on the outer wall of the top of the pipe body, a second chain wheel is fixedly arranged on an output shaft of the first motor, and the second chain wheel is in transmission connection with the plurality of first chain wheels through a first chain; and a third chain wheel is fixedly arranged at the bottom end of a rotating shaft of the spiral shaft, a fourth chain wheel is fixedly arranged on an output shaft of the second motor, and the fourth chain wheel is in transmission connection with the plurality of third chain wheels through a second chain.
The invention has the beneficial effects that:
the invention provides a stirring device for aerated brick production, which is novel in structure, and a plurality of stirring shafts are designed to effectively stir and mix materials, wherein each stirring shaft comprises a pipe body and a first stirring rod on the outer wall of the pipe body, the pipe body is communicated with an external air pump through a rotary joint, and the outer wall of the pipe body is provided with an exhaust hole, so that air flow can be supplied to the inside through the stirring shaft, the mixing effect is promoted, and the subsequent brick forming quality is improved; and the design of screw axis can correspond the inside that stretches into the body, can take out the inside material that gets into the body when the screw axis rotates, prevents that the material from being detained, avoiding piling up the caking inside the (mixing) shaft.
Drawings
FIG. 1 is a schematic structural diagram of a stirring device for aerated brick production according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a stirring shaft provided in the embodiment of the present invention;
FIG. 3 is a top view of the mating structure of the tube and the first stirring rod provided in the exemplary embodiment of the present invention;
fig. 4 is a top view of a support stand provided in an embodiment of the present invention.
In the figure:
110. a box body; 120. a box cover; 130. a feeding hopper; 140. a discharge pipe; 150. an on-off valve; 200. a stirring shaft; 210. a pipe body; 220. a first stirring rod; 230. an exhaust hole; 310. a rotary joint; 320. a collector pipe; 330. an air pump; 410. a first motor; 420. a second motor; 500. a screw shaft; 600. a bracket; 610. a second stirring rod; 700. a support frame; 710. an arc-shaped plate; 720. a frame plate.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, the embodiment of the invention discloses a stirring device for aerated brick production, which comprises a box body 110 and a box cover 120, wherein a feeding hopper 130 is communicated with the box cover 120, a discharge pipe 140 is communicated with the side wall of the box body 110, and a switch valve 150 is arranged on the discharge pipe 140; a plurality of stirring shafts 200 are arranged in the box body 110, each stirring shaft 200 comprises a tube body 210, a plurality of first stirring rods 220 are fixedly arranged on the outer wall of each tube body 210, the top of each tube body 210 protrudes out of the top surface of the box cover 120, rotary joints 310 are arranged at the end parts of the tube bodies, the rotary joints 310 are communicated with a collecting pipe 320, the collecting pipe 320 is communicated with an air outlet of an air pump 330, a plurality of exhaust holes 230 are formed in the side wall of each tube body 210, and the stirring shafts 200 are driven by a first motor 410; the multiple stirring shafts can synchronously rotate to effectively stir and mix materials, and the design and the matching of the air pump, the rotary joint and the exhaust holes can supply air flow into the materials in the rotating process of the stirring shafts, so that the stirring is accelerated and the mixing is improved; the inside of the tube body 210 is provided with the screw shaft 500, the bottom of the rotating shaft of the screw shaft 500 protrudes out of the bottom surface of the box body 110, the plurality of screw shafts 500 are driven by the second motor 420, and the material entering the inside of the tube body 210 can be taken out by the rotating screw shaft 500, so that the material retention inside the tube body is prevented.
The stirring device for aerated brick production is novel in structure, the materials can be effectively stirred and mixed by the design of the stirring shafts, each stirring shaft comprises a pipe body and a first stirring rod on the outer wall of the pipe body, the pipe body is communicated with an external air pump through a rotary joint, the outer wall of the pipe body is provided with an exhaust hole, air flow can be supplied to the inside through the stirring shafts, the mixing effect is promoted, and the subsequent brick forming quality is improved; the spiral shaft is designed to correspondingly extend into the pipe body, and when the spiral shaft rotates, the material entering the pipe body can be taken out, so that the material is prevented from being retained in the stirring shaft, and the accumulation and agglomeration are avoided; the bottom end of the stirring shaft extends into the material and is blocked by the material, so that most of air flow is discharged through the exhaust hole, the material is prevented from entering the tube body from the exhaust hole, and the pressure for subsequently cleaning the material in the tube body is reduced; when the interior of the box body needs to be cleaned, the spiral shaft is in a working state, and the materials in the spiral shaft are all discharged.
Further, the outer wall of body 210 is equipped with a plurality of first puddler groups along vertical, and each first puddler group includes many first puddlers 220, and the first puddler 220 that is in the same layer is circumference array distribution about the axis of body 210, can further increase and stir the region, further improves stirring and mixes the effect.
Further, the two sides of the first stirring rod 220 extend outwards to be narrowed and are in a blade-shaped structure, and the structural design can reduce the stress area of the first stirring rod, so that the rotation resistance of the first stirring rod is reduced, and the stirring and mixing efficiency is improved.
Further, a support is fixedly arranged on the inner wall of the top of the tube body 210, a bracket 600 is arranged on the outer side of the bottom of the tube body 210 through a mounting manner, the bracket 600 comprises a bottom plate and vertical plates fixed on two sides of the bottom plate, the two vertical plates are abutted against two sides of the outer wall of the bottom end of the tube body 210 and connected through screws, the bottom plate is positioned below the bottom end of the tube body 210, a through hole is formed in the middle of the bottom plate and matched with a rotating shaft of the screw shaft 500, the screw shaft 500 is rotatably erected between the support and the bracket 600 to provide overhead support for rotation of the screw shaft, and normal ventilation and material movement are not affected; the outer diameter of screw axis 500 and the inner wall diameter adaptation of body 210 can be effectual scrape the brush clearance to the body inner wall, drive the clout of inside to the outside as far as.
Further, the outer side of the vertical plate is fixedly provided with a second stirring rod 610, the structure of the second stirring rod 610 is the same as that of the first stirring rod 220, the stirring range can be further enlarged, and the mixing effect is improved.
Further, two oppositely arranged supporting frames 700 are installed inside the box body 110 corresponding to the pipe body, each supporting frame 700 comprises a semicircular arc-shaped plate 710, frame plates 720 are fixedly arranged on two sides of the outer wall of each arc-shaped plate 710, each frame plate 720 extends towards the side wall direction of the box body 110 and is fixed to the top surface of a supporting block on the inner wall of the box body 110 through a screw, and the two oppositely arranged arc-shaped plates 710 form a closed loop structure and are sleeved at the middle position of the pipe body 210; this structural design can be so that the body rotating turret locates inside the box, carries out the rotation support that stabilizes for the (mixing) shaft to do not influence the rotation of first puddler.
Furthermore, the bottom of the box body 110 is obliquely arranged and is obliquely inclined towards one side of the discharge pipe 140, and the box cover 120 is parallel to the bottom of the box body 110, so that the materials after stirring and mixing are conveniently moved towards the discharge pipe and discharged; the axes of the stirring shaft 200 and the screw shaft 500 are perpendicular to the bottom surface of the case 110.
Further, a first chain wheel is fixedly arranged on the outer wall of the top of the tube body 210, a second chain wheel is fixedly arranged on an output shaft of the first motor 410, the second chain wheel is in transmission connection with the plurality of first chain wheels through a first chain, and the first motor synchronously drives the plurality of stirring shafts, so that power consumption can be reduced; the bottom end of the rotating shaft of the screw shaft 500 is fixedly provided with a third chain wheel, the output shaft of the second motor 420 is fixedly provided with a fourth chain wheel, the fourth chain wheel is in transmission connection with the plurality of third chain wheels through a second chain, and similarly, the structural design can realize that the second motor drives the plurality of screw shafts to synchronously rotate, so that power consumption is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. A stirring device for aerated brick production comprises a box body and a box cover, wherein a feeding hopper is communicated with the box cover, a discharge pipe is communicated with the side wall of the box body, and a switch valve is arranged on the discharge pipe; the method is characterized in that:
the box body is internally provided with a plurality of stirring shafts, each stirring shaft comprises a pipe body, a plurality of first stirring rods are fixedly arranged on the outer wall of each pipe body, the top of each pipe body protrudes out of the top surface of the box cover, rotary joints are arranged at the end parts of the pipe bodies, the rotary joints are communicated with the collecting pipe, the collecting pipe is communicated with an air outlet of the air pump, a plurality of exhaust holes are formed in the side wall of each pipe body, and the stirring shafts are driven by a first motor;
the inside of body is equipped with the screw axis, and outstanding bottom surface in the box of pivot bottom of screw axis, many screw axes are driven by the second motor, and the material that gets into the body inside can be taken out to the pivoted screw axis.
2. The stirring device for aerated brick production according to claim 1, wherein:
the outer wall of body is equipped with a plurality of first puddler groups along vertical, and each first puddler group includes many first puddlers, and the first puddler that is in the same layer is circumference array distribution about the axis of body.
3. The stirring device for aerated brick production according to claim 1, wherein:
the two sides of the first stirring rod extend outwards to be narrowed and are in a blade-shaped structure.
4. The stirring device for aerated brick production according to claim 3, wherein the stirring device comprises:
the inner wall of the top of the tube body is fixedly provided with a support, the outer side of the bottom of the tube body is provided with a bracket through mounting, the bracket comprises a bottom plate and vertical plates fixed on two sides of the bottom plate, the two vertical plates are abutted against two sides of the outer wall of the bottom end of the tube body and are connected through screws, the bottom plate is positioned below the bottom end of the tube body, the middle part of the bottom plate is provided with a through hole, the through hole is matched with a rotating shaft of a screw shaft, and the screw shaft is rotatably erected between the support and the bracket; the outer diameter of the spiral shaft is matched with the diameter of the inner wall of the pipe body.
5. The stirring device for aerated brick production according to claim 4, wherein:
the outer side of the vertical plate is fixedly provided with a second stirring rod, and the structure of the second stirring rod is the same as that of the first stirring rod.
6. The stirring device for aerated brick production according to claim 1, wherein:
the inside of box corresponds the body and installs the support frame of two relative settings, and the support frame includes the arc of semicircle form, and the fixed frame plate that is equipped with in outer wall both sides of arc, frame plate extend towards the lateral wall direction of box and through the tray top surface of fix with screw at the box inner wall, and the middle part position of body is located to double-phase arc formation closed loop structure, cover that sets up relatively.
7. The stirring device for aerated brick production according to claim 1, wherein:
the bottom of the box body is obliquely arranged and is obliquely downwards arranged towards one side of the discharge pipe, and the box cover is parallel to the bottom of the box body; the axes of the stirring shaft and the spiral shaft are both vertical to the bottom surface of the box body.
8. The stirring device for aerated brick production according to claim 1, wherein:
a first chain wheel is fixedly arranged on the outer wall of the top of the pipe body, a second chain wheel is fixedly arranged on an output shaft of the first motor, and the second chain wheel is in transmission connection with the plurality of first chain wheels through a first chain;
and a third chain wheel is fixedly arranged at the bottom end of a rotating shaft of the spiral shaft, a fourth chain wheel is fixedly arranged on an output shaft of the second motor, and the fourth chain wheel is in transmission connection with the plurality of third chain wheels through a second chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117026.0A CN113787615A (en) | 2021-09-23 | 2021-09-23 | Agitating unit is used in aerated brick production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111117026.0A CN113787615A (en) | 2021-09-23 | 2021-09-23 | Agitating unit is used in aerated brick production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113787615A true CN113787615A (en) | 2021-12-14 |
Family
ID=79184210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111117026.0A Pending CN113787615A (en) | 2021-09-23 | 2021-09-23 | Agitating unit is used in aerated brick production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113787615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775367A (en) * | 2022-04-22 | 2022-07-22 | 上海群康沥青科技股份有限公司 | Heating dosing unit on high performance pitch wearing and tearing layer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150330A (en) * | 1993-12-27 | 1996-06-11 | Kajima Corp | Kneading method and kneading device |
| CN209599558U (en) * | 2019-01-08 | 2019-11-08 | 广州瓷添乐装饰材料有限公司 | A kind of portable waterproof cement foam maker |
| CN113085009A (en) * | 2021-04-12 | 2021-07-09 | 罗洪湖 | Concrete mixing device |
-
2021
- 2021-09-23 CN CN202111117026.0A patent/CN113787615A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150330A (en) * | 1993-12-27 | 1996-06-11 | Kajima Corp | Kneading method and kneading device |
| CN209599558U (en) * | 2019-01-08 | 2019-11-08 | 广州瓷添乐装饰材料有限公司 | A kind of portable waterproof cement foam maker |
| CN113085009A (en) * | 2021-04-12 | 2021-07-09 | 罗洪湖 | Concrete mixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775367A (en) * | 2022-04-22 | 2022-07-22 | 上海群康沥青科技股份有限公司 | Heating dosing unit on high performance pitch wearing and tearing layer |
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Application publication date: 20211214 |
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| RJ01 | Rejection of invention patent application after publication |