CN211682819U - Mortar mixing plant of multistage stirring structure - Google Patents
Mortar mixing plant of multistage stirring structure Download PDFInfo
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- CN211682819U CN211682819U CN201921860536.5U CN201921860536U CN211682819U CN 211682819 U CN211682819 U CN 211682819U CN 201921860536 U CN201921860536 U CN 201921860536U CN 211682819 U CN211682819 U CN 211682819U
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Abstract
The utility model discloses a mortar stirring station of multistage stirring structure, include: power device, agitating unit and stirring urceolus, agitating unit includes the (mixing) shaft, fixes stirring epaxial stirring vane, fixes at epaxial high pressure water jet, stirring inner tube, puddler, the puddler is located the bottom of (mixing) shaft, the puddler is located in the mortar storage room, it is protruding to be fixed with a plurality of stirring on the stirring inner tube outer wall, a plurality of stirring arch to the stirring urceolus extends, the (mixing) shaft is stirred by the power device drive, the (mixing) shaft with stirring vane is located the stirring inner tube, the upper shed of stirring inner tube is fixed on the inner wall of stirring urceolus. The embodiment of the utility model provides a through set up a plurality of stirring arch on stirring the inner wall, can reach the purpose of intensive mixing thick liquids with the puddler cooperation, submit the stirring mixing rate of thick liquids.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a mortar stirring station of multistage stirring structure.
Background
The mortar is a mixture formed by metering and mixing cement, sand, water and other materials according to a certain proportion. The mortar can be used for construction operations such as masonry, plastering and the like. The current mortar mixing stations all comprise the following parts: sand material conveying system, powder conveying system, mixing system and control system. The sand conveying system comprises a belt conveyor, wherein the belt conveyor comprises a belt bracket, a conveying belt and other structures; the powder conveying system comprises a powder tank for storing powder and a powder conveying pipeline; the stirring system comprises a stirring host machine, and the stirring host machine is provided with a stirring cavity internally provided with a stirring mechanism. The control system realizes the control of the whole mortar mixing plant, and the mixing system and the control system are usually integrated and arranged on a mixing main building supported by a bracket. The preparation and supply process of the mortar mixing station comprises the following steps: after being measured by a metering device, the sand materials accumulated in the open place are conveyed to a stirring cavity by a conveying belt exposed in the environment, so that the supply of the sand materials required by the stirring station is realized; powder materials such as cement and the like are conveyed to the area where the mixing station is located through a special powder material conveying vehicle, then are stored into a powder material tank through a pneumatic conveying device, and are conveyed to a mixing cavity through a powder material conveying pipeline; the stirring cavity utilizes the raw materials to produce mortar, the finished mortar is transported to a construction site by a stirring transport vehicle and is supplied to a mortar pump, and the mortar pump sprays the mortar to a surface to be constructed.
The patent 201820207164.5 of this company's application discloses a mortar mixing plant has realized the stirring to the shaping mortar in the mortar storeroom through a puddler, but this kind of stirring is not enough, leads to inside unloading and the contact of water also not enough on the inside, can't stir the mortar of other positions in the mortar storeroom and mix the promotion, promotes the stirring mixing rate of mortar thick liquids.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model provides a multistage stirring structure's mortar stirring station through set up a plurality of stirring arch on stirring the inner wall, can reach the purpose of intensive mixing thick liquids with the puddler cooperation, submits the stirring mixing rate of thick liquids.
The utility model provides a multistage stirring structure's mortar stirring station, include: power device, agitating unit and stirring urceolus, wherein:
a power device is fixed on the top of the stirring outer cylinder, the power device is fixed on the top of the stirring outer cylinder, a feeding hole is formed in the side surface of the top of the stirring outer cylinder, and a discharging hole is formed in the side surface of the bottom of the stirring outer cylinder;
a stirring device is fixed in the stirring outer cylinder, a mortar storage chamber is formed between the stirring outer cylinder and the stirring device, and the mortar storage chamber is communicated with the discharge port;
agitating unit includes the (mixing) shaft, fixes stirring epaxial stirring vane, fixes at epaxial high pressure water jet, stirring inner tube, puddler, the puddler is located the bottom of (mixing) shaft, the puddler is located in the mortar storeroom, be fixed with a plurality of stirring arch on the stirring inner tube outer wall, a plurality of stirring arch to the stirring urceolus extends, the (mixing) shaft is stirred by the power device drive, the (mixing) shaft with stirring vane is located the stirring inner tube, the upper shed of stirring inner tube is fixed on the inner wall of stirring urceolus, the stirring inner tube with the feed inlet forms the intercommunication cavity, the lower shed of stirring inner tube with the mortar storeroom forms the intercommunication cavity.
Each stirring protrusion in the plurality of stirring protrusions is provided with a through hole.
The stirring rod is provided with a plurality of through holes.
The power device comprises a motor and a speed reducer, the motor drives the speed reducer to work, and the speed reducer drives a stirring shaft on the stirring device.
The stirring inner cylinder comprises an upper stirring inner cylinder and a lower stirring inner cylinder, the upper stirring inner cylinder and the lower stirring inner cylinder are mutually laminated at different heights along the stirring shaft, the plurality of stirring bulges are arranged on the lower stirring inner cylinder, the upper opening of the upper stirring inner cylinder is fixed on the inner wall of the stirring outer cylinder, a first stirring cavity is formed by the upper stirring inner cylinder and the stirring outer cylinder, and part of stirring blades on the stirring shaft are positioned in the first stirring cavity; the lower opening of the upper stirring inner cylinder and the lower stirring inner cylinder form a second stirring cavity, part of stirring blades on the stirring shaft are located in the second stirring cavity, and a high-pressure water spray opening on the stirring shaft is located in the second stirring cavity.
The upper stirring inner cylinder is a conical stirring inner cylinder, and/or the lower stirring inner cylinder is a conical stirring inner cylinder, and the upper stirring inner cylinder and the lower stirring inner cylinder are fixed together through a connecting rod.
The feed inlet is more than one.
The number of the high-pressure water spray nozzles is more than one.
And the side wall of the stirring outer barrel is also provided with hole inlet and outlet equipment for personnel to enter and exit, and the hole inlet and outlet equipment comprises a manhole and a sealing cover.
The embodiment of the utility model provides an in the mortar stirring station through setting up set up a plurality of stirring arch on stirring inner tube outer wall, can cooperate the puddler to realize the mortar stirring in the mortar storage room together to promote the degree of fusing of mortar normal water and powder, promoted the stirring mixing rate of mortar ground paste, also reached the abundant contact of water and powder, make the powder not become the caking, the output of the whole mortar ground paste of being convenient for. The through-hole that sets up on stirring arch and puddler can reduce the rivers resistance, promotes whole stirring efficiency. The embodiment of the utility model provides an in the mortar mixing plant can be rotatory at a high speed through power device drive agitating unit, the powder gets into the stirring inner tube from the feed inlet, under the action of gravity, the downstream, by the blade dispersion on the agitating unit, mix with high pressure water jet spun water again, the stirring, the end opening from the stirring inner tube flows out, because high-speed operation, flow direction stirring urceolus and the interior storage of the mortar storeroom that agitating unit formed under the effect of centrifugal force, also can carry out secondary intensive mixing by the puddler that the agitating unit lower part set up, the material that mixes flows out from the discharge gate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a mortar mixing plant with a multistage mixing structure in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a stirring device in a mortar mixing plant according to an embodiment of the present invention;
fig. 3 is a schematic view of a stirring shaft structure in the stirring device in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model relates to a multistage stirring structure's mortar stirring station, include: power device, agitating unit and stirring urceolus, wherein: a power device is fixed on the top of the stirring outer cylinder, the power device is fixed on the top of the stirring outer cylinder, a feeding hole is formed in the side surface of the top of the stirring outer cylinder, and a discharging hole is formed in the side surface of the bottom of the stirring outer cylinder; a stirring device is fixed in the stirring outer cylinder, a mortar storage chamber is formed between the stirring outer cylinder and the stirring device, and the mortar storage chamber is communicated with the discharge port; agitating unit includes the (mixing) shaft, fixes stirring epaxial stirring vane, fixes at epaxial high pressure water jet, stirring inner tube, puddler, the puddler is located the bottom of (mixing) shaft, the puddler is located in the mortar storeroom, be fixed with a plurality of stirring arch on the stirring inner tube outer wall, a plurality of stirring arch to the stirring urceolus extends, the (mixing) shaft is stirred by the power device drive, the (mixing) shaft with stirring vane is located the stirring inner tube, the upper shed of stirring inner tube is fixed on the inner wall of stirring urceolus, the stirring inner tube with the feed inlet forms the intercommunication cavity, the lower shed of stirring inner tube with the mortar storeroom forms the intercommunication cavity.
Specifically, fig. 1 shows the overall structure schematic diagram of the mortar mixing plant of multistage stirring structure in the embodiment of the present invention, and fig. 2 and fig. 3 show the structure schematic diagram of the stirring device in the mortar mixing plant in the embodiment of the present invention, this mortar mixing plant includes: power device, stirring outer cylinder 11 and the like.
The power device comprises: a speed reducer 2 and a motor 1;
the stirring device comprises: the stirring shaft 6, the stirring blades 8, the high-pressure water spray opening 7, the stirring rod 10, the upper stirring inner cylinder 5, the lower stirring inner cylinder 9 and the connecting rod 16;
the stirring urceolus includes: the feeding hole 3, the discharging hole 13, and the hole access device for personnel to enter and exit, namely the hole access device comprises a manhole and a sealing cover 12.
It should be noted that, the stirring outer cylinder 11 is set as a conical body, that is, the top diameter is small, the top diameter is large, the mortar mixing plant equipment stands in the application environment where the corresponding mortar mixing production line is located through the stirring outer cylinder, the whole fixing effect is realized based on the bottom of the stirring outer cylinder 11, the power device is fixed on the top of the stirring outer cylinder, the side surface of the top of the stirring outer cylinder is provided with the feed inlet 3, and the side surface of the bottom of the stirring outer cylinder 11 is provided with the discharge outlet 13. Besides fixing the power device, the top of the stirring outer cylinder 11 is also matched with a structure of a stirring shaft 6 which is designed with the power device to drive the stirring device, for example, the stirring shaft 6 penetrates out of the top of the stirring outer cylinder 11 to realize shaft connection with a speed reducer 2 in the power device, and the stirring shaft 6 is driven by the power device to complete the function and action of stirring mortar in the stirring outer cylinder 11.
The stirring device is fixed in the stirring outer cylinder 11, a mortar storage chamber 16 is formed between the stirring outer cylinder 11 and the stirring device, and the mortar storage chamber 16 is communicated with the discharge port 13, so that after the mortar stirring station is operated, prepared mortar is accumulated in the mortar storage chamber 16 after being treated by the stirring device, and then enters the next link through the discharge port 13 under the action of the environment.
The stirring device comprises a stirring shaft 6, wherein a plurality of stirring blades 8, a plurality of high-pressure water spray ports 7, a stirring inner barrel and the like are fixed on the stirring shaft, the stirring shaft 6 is driven by a power device to stir, the stirring shaft 6 and the stirring blades 8 are positioned in the stirring inner barrel, the upper opening of the stirring inner barrel is fixed on the inner wall of the stirring outer barrel 11, the stirring inner barrel and the feed inlet 3 form a communicated cavity, and the lower opening of the stirring inner barrel and the mortar storeroom 16 form a communicated cavity. Based on this structure, divide the material and can enter into agitating unit through feed inlet 3 and accomplish the stirring process, drive a plurality of stirring vane 8 through (mixing) shaft 6 and realize the preparation mortar process under high pressure water jet 7 work, flow into mortar storeroom 16 through the under shed again.
It should be noted that, the embodiment of the present invention provides a power device including a motor 1 and a speed reducer 2, wherein the motor 1 drives the speed reducer 2 to work, the speed reducer 2 drives a stirring shaft 6 on the stirring device, and the connection relationship between the motor, the speed reducer and the stirring shaft is commonly found in various application scenarios, which is not repeated here.
It should be noted that the stirring inner cylinder can be configured as an upper stirring inner cylinder 5 and a lower stirring inner cylinder 9, the plurality of stirring protrusions 17 are disposed on the lower stirring inner cylinder 9, the upper stirring inner cylinder 5 and the lower stirring inner cylinder 9 are stacked on each other along the stirring shaft 6 at different heights, that is, the stirring shaft 6 is used as an axis and distributed at different heights of the stirring shaft 6, the upper opening of the upper stirring inner cylinder 5 is fixed on the inner wall of the stirring outer cylinder 11, a first stirring cavity 14 is formed by the upper stirring inner cylinder 5 and the stirring outer cylinder 11, and a part of the stirring blades 8 on the stirring shaft 6 are located in the first stirring cavity 14; a second stirring cavity 15 is formed between the lower opening of the upper stirring inner cylinder 5 and the lower stirring inner cylinder 9, a part of stirring blades on the stirring shaft 6 are positioned in the second stirring cavity 15, and a high-pressure water spray opening 7 on the stirring shaft 6 is positioned in the second stirring cavity 15. Can accomplish the stirring process of dry powder based on first stirring chamber 14 based on this structure, and second stirring chamber 15 is owing to accomplish the mortar stirring process under high pressure water jet 7 effect, sets up certain isolating device between first stirring chamber 14 and second stirring chamber 15 based on last stirring inner tube 5 and lower stirring inner tube 9, avoids the water that high pressure water jet 7 spun to enter into in a large number first stirring chamber 14.
It should be noted that, the utility model discloses the stirring inner tube in the embodiment can constitute by a drum or waist drum shape drum, set up an isolation plate piece at a drum or waist drum shape drum middle part, cut apart into two stirring chambeies with whole drum or waist drum shape drum, all there is the stirring leaf to participate in the mortar stirring process in every stirring chamber, and the last stirring chamber of being cut apart mainly realizes that the dry powder enters into the stirring process in the mortar stirring station, and the lower stirring chamber of being cut apart accomplishes the mortar stirring process under the effect of stirring leaf and high-pressure water jet to the dry powder after stirring in the last stirring chamber.
It should be noted that, a plurality of stirring protrusions 17 are fixed on the outer wall of the lower stirring inner cylinder 9 in the stirring inner cylinder, the plurality of stirring protrusions 17 extend toward the stirring outer cylinder 11, and each of the plurality of stirring protrusions 17 is provided with a through hole 171. The mortar stirring station is provided with a plurality of stirring protrusions on the outer wall of the stirring inner barrel, and can be matched with the stirring rod to stir mortar in the mortar storage chamber together, so that the fusion degree of water and powder in the mortar is promoted, the stirring mixing rate of mortar slurry is improved, the sufficient contact of the water and the powder is also achieved, the powder is prevented from caking, and the output of the whole mortar slurry is facilitated. The through-hole that sets up on the stirring arch can reduce the water resistance, promotes whole stirring efficiency.
In the stirring apparatus shown in fig. 3, the upper stirring cylinder 5 of the stirring cylinders may be a conical stirring cylinder, and the lower stirring cylinder 9 may be a conical stirring cylinder, and the upper stirring cylinder and the lower stirring cylinder are fixed together by a connecting rod 16. The conical stirring inner cylinder is designed to be large in upper opening and small in lower opening, the upper opening is in the blanking, the lower opening is small, the full stirring process is facilitated, the conical stirring inner cylinder is adopted by the upper stirring inner cylinder 5 and the lower stirring inner cylinder 9, the isolation effect of the dry powder and the hydrated dry powder can be realized, namely, the lower opening of the upper stirring inner cylinder 5 is small, the water sprayed by the high-pressure water spray opening 7 in the second stirring cavity 15 formed by the lower stirring inner cylinder 9 cannot enter the first stirring cavity 14, the lower opening of the upper stirring inner cylinder 5 is small, and the full stirring of the dry powder in the first stirring cavity 14 under the effect that the stirring shaft 6 drives the stirring blades is also facilitated. And the lower stirring inner cylinder 9 adopts a conical stirring inner cylinder, so that the dry powder and the water can be fully stirred and fused.
It should be noted that the stirring device includes a stirring rod 10, the stirring rod 10 is located at the bottom of the stirring shaft 6, and the stirring rod 10 is located in the mortar storage chamber 16. This puddler 10 can stir once more to the mortar that mortar storeroom 16 formed, because the stirring effect of puddler, the mortar can form the wriggling in mortar storeroom 16 or flow, it can promote the mobility of whole mortar at the mortar storeroom with a plurality of stirring arch 17 together, the mortar of avoiding coming out from the mortar inner tube is piled up at corresponding position, promote the degree of fusing of water and powder in the mortar simultaneously, the stirring mixing rate of mortar ground paste has been promoted, the abundant contact of water and powder has also been reached, make the powder not become the caking, be convenient for the output of whole mortar material. The through-hole that sets up on the stirring arch can reduce the water resistance, promotes whole stirring efficiency.
It should be noted that, stirring vane on the (mixing) shaft 6 designs in proper order on the (mixing) shaft according to (mixing) shaft and stirring inner tube inner space size, for example stirring inner tube diameter is big local stirring vane also relatively great, and stirring inner tube diameter is little local stirring vane also relatively less, puddler 10 can be the bar, also can be X shape etc. be provided with a plurality of through-hole 101 on the puddler 10, the through-hole that sets up on puddler 10 can reduce the water resistance, promote whole stirring efficiency.
It should be noted that, the number of the feed inlets 3 is more than one, and may be 2, 3, 4, etc., and the design is based on the application requirements of the mortar mixing production line.
It should be noted that there are more than one high-pressure water jet, such as one high-pressure water jet, two high-pressure water jets, three high-pressure water jets, four high-pressure water jets, etc., these high-pressure water jets are generally located in the lower stirring inner cylinder 9, and may be located on the same level or at different heights, and these high-pressure water jets 9 are disposed on the stirring shaft 6.
It should be noted that, the side wall of the stirring outer cylinder 11 is further provided with a hole access device for people to enter and exit, the hole access device comprises a manhole 4 and a sealing cover 12, the manhole 4 is covered by the sealing cover 12 in the operation process of the mortar stirring station device, the sealing performance between the inside and the outside of the whole stirring outer cylinder 11 is kept, and in the operation stop process of the mortar stirring station device, the device can be convenient for people to enter to clean excess materials or overhaul the internal device, and the like.
Based on the mortar mixing station, the power device can drive the mixing device to rotate at a high speed, the powder enters the mixing inner cylinder from the feeding hole, moves downwards under the action of gravity, is dispersed by the blades on the mixing device, is mixed and mixed with water sprayed from the high-pressure water spray nozzle, flows out from the lower opening of the mixing inner cylinder, flows into the mortar storage chamber formed by the mixing outer cylinder and the mixing device under the action of centrifugal force due to high-speed operation, is stored, can be sufficiently mixed for the second time by the mixing rod arranged at the lower part of the mixing device, and flows out from the discharging hole after being mixed.
Correspondingly, the utility model also provides a mortar stirring production line, this mortar stirring production line include above the mortar stirring station. This kind of mortar stirring production line includes: the powder tank is connected with a feeding hole 3 on the mortar mixing station through powder conveying equipment; two ends of the powder conveying equipment are respectively detachably matched with the powder tank and the mortar mixing station; the output port of the powder conveying equipment is communicated with the feed port 3; a sand conveying apparatus having a sand inlet and a sand outlet; the sand inlet can be connected with a discharge port 13 on the mortar mixing station, and the mortar is output to a corresponding destination to be applied.
To sum up, the embodiment of the utility model provides an in can be through the high-speed rotation of power device drive agitating unit, the powder gets into the stirring inner tube from the feed inlet, under the action of gravity, downstream, by the blade dispersion on the agitating unit, mix with high pressure water jet spun water again, the stirring, the end opening from the stirring inner tube flows out, because high-speed operation, flow to the stirring urceolus and store in the mortar storeroom that agitating unit formed under the effect of centrifugal force, also can carry out secondary intensive mixing by the puddler that the agitating unit lower part set up, the material that mixes well flows out from the discharge gate. The equipment makes full use of the principle and characteristics of material movement, is reasonable in layout, improves the efficiency, compresses the volume, realizes miniaturization and integration, and improves the transportation efficiency and the pressing and adjusting efficiency.
The mortar mixing plant with the multistage mixing structure provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples herein, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The utility model provides a mortar mixing plant of multistage stirring structure which characterized in that includes: power device, agitating unit and stirring urceolus, wherein:
a power device is fixed on the top of the stirring outer cylinder, the power device is fixed on the top of the stirring outer cylinder, a feeding hole is formed in the side surface of the top of the stirring outer cylinder, and a discharging hole is formed in the side surface of the bottom of the stirring outer cylinder;
a stirring device is fixed in the stirring outer cylinder, a mortar storage chamber is formed between the stirring outer cylinder and the stirring device, and the mortar storage chamber is communicated with the discharge port;
agitating unit includes the (mixing) shaft, fixes stirring epaxial stirring vane, fixes at epaxial high pressure water jet, stirring inner tube, puddler, the puddler is located the bottom of (mixing) shaft, the puddler is located in the mortar storeroom, be fixed with a plurality of stirring arch on the stirring inner tube outer wall, a plurality of stirring arch to the stirring urceolus extends, the (mixing) shaft is stirred by the power device drive, the (mixing) shaft with stirring vane is located the stirring inner tube, the upper shed of stirring inner tube is fixed on the inner wall of stirring urceolus, the stirring inner tube with the feed inlet forms the intercommunication cavity, the lower shed of stirring inner tube with the mortar storeroom forms the intercommunication cavity.
2. The mortar mixing station of claim 1, wherein each of the plurality of mixing protrusions has a through hole.
3. The mortar mixing station of claim 1, wherein the mixing rod is provided with a plurality of through holes.
4. The mortar mixing station of a multistage mixing structure according to any one of claims 1 to 3, wherein the power device comprises a motor and a speed reducer, the motor drives the speed reducer to work, and the speed reducer drives a mixing shaft on the mixing device.
5. The mortar mixing station of claim 4, wherein the mixing inner cylinder comprises an upper mixing inner cylinder and a lower mixing inner cylinder, the plurality of mixing protrusions are disposed on the lower mixing inner cylinder, the upper mixing inner cylinder and the lower mixing inner cylinder are stacked at different heights along the mixing shaft, an upper opening of the upper mixing inner cylinder is fixed on an inner wall of the mixing outer cylinder, the upper mixing inner cylinder and the mixing outer cylinder form a first mixing cavity, and a part of mixing blades on the mixing shaft are located in the first mixing cavity; the lower opening of the upper stirring inner cylinder and the lower stirring inner cylinder form a second stirring cavity, part of stirring blades on the stirring shaft are located in the second stirring cavity, and a high-pressure water spray opening on the stirring shaft is located in the second stirring cavity.
6. The mortar mixing station of claim 5, wherein the upper mixing inner cylinder is a conical mixing inner cylinder and/or the lower mixing inner cylinder is a conical mixing inner cylinder, and the upper mixing inner cylinder and the lower mixing inner cylinder are fixed together by a connecting rod.
7. The mortar mixing plant of claim 6, wherein the number of feed inlets is more than one.
8. The mortar mixing plant of claim 7, wherein the number of high pressure water jets is one or more.
9. The mortar mixing plant of claim 8, wherein the mixing outer cylinder is further provided with a hole access device on the side wall for people to enter and exit, and the hole access device comprises a manhole and a cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860536.5U CN211682819U (en) | 2019-10-31 | 2019-10-31 | Mortar mixing plant of multistage stirring structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860536.5U CN211682819U (en) | 2019-10-31 | 2019-10-31 | Mortar mixing plant of multistage stirring structure |
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| CN211682819U true CN211682819U (en) | 2020-10-16 |
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| CN201921860536.5U Active CN211682819U (en) | 2019-10-31 | 2019-10-31 | Mortar mixing plant of multistage stirring structure |
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