CN113997411A - Cement mortar processing technology - Google Patents

Cement mortar processing technology Download PDF

Info

Publication number
CN113997411A
CN113997411A CN202111297866.XA CN202111297866A CN113997411A CN 113997411 A CN113997411 A CN 113997411A CN 202111297866 A CN202111297866 A CN 202111297866A CN 113997411 A CN113997411 A CN 113997411A
Authority
CN
China
Prior art keywords
cement mortar
frame
mixing
rigid coupling
mixing box
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.)
Withdrawn
Application number
CN202111297866.XA
Other languages
Chinese (zh)
Inventor
何金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Miguolang Environmental Protection Engineering Co ltd
Original Assignee
Harbin Miguolang Environmental Protection Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Miguolang Environmental Protection Engineering Co ltd filed Critical Harbin Miguolang Environmental Protection Engineering Co ltd
Priority to CN202111297866.XA priority Critical patent/CN113997411A/en
Publication of CN113997411A publication Critical patent/CN113997411A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/10Mixing in containers not actuated to effect the mixing
    • B28C5/12Mixing 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
    • B28C5/14Mixing 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 horizontal or substantially horizontal axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/20Disintegrating by mills having rotary beater elements ; Hammer mills with two or more co-operating rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/087Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/0806Details; Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/0806Details; Accessories
    • B28C5/0812Drum mixer cover, e.g. lid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08Apparatus 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
    • B28C5/0806Details; Accessories
    • B28C5/0831Drives or drive systems, e.g. toothed racks, winches

Abstract

The invention relates to the field of building raw material processing, in particular to a cement mortar processing technology. The process comprises the following steps: the method comprises the following steps: preparing and adding a plurality of raw materials; step two: mixing a plurality of raw materials; step three; blanking the mixed cement mortar; step four: cleaning the device and collecting the cement mortar. Has the advantage that the device can be cleaned after the cement mortar is stirred.

Description

Cement mortar processing technology
Technical Field
The invention relates to the field of building raw material processing, in particular to a cement mortar processing technology.
Background
The cement mortar is prepared from cement, fine aggregate and water, namely cement, sand and water, according to the needs, the mortar used in the construction process is convenient for construction and is generally stirred on site, the mixing proportion of the cement mortar is 1:3 and is converted into the weight ratio according to the capacity of a site stirrer or a material container; the mortar used in the construction of the structure is multipurpose finished mortar, and the device can not be cleaned after the cement mortar is stirred in the prior art.
Disclosure of Invention
The invention aims to provide a cement mortar processing technology which has the advantage that a device can be cleaned after cement mortar is stirred.
The purpose of the invention is realized by the following technical scheme:
a cement mortar processing technology comprises the following steps:
the method comprises the following steps: preparing and adding a plurality of raw materials;
step two: mixing a plurality of raw materials;
step three; blanking the mixed cement mortar;
step four: cleaning the device and collecting the cement mortar.
Cement mortar processing technology still relates to a cement mortar processingequipment, and the device includes mixing box, inlet pipe, unloading pipe, shutoff board and clean board, and the upper end of mixing box is provided with a plurality of inlet pipes, and the lower extreme of mixing box is provided with the unloading pipe, and one side of mixing box is provided with the shutoff board, and it has the clean board to slide in the mixing box.
Further, the device still includes bracket, revolving rack, assists board and bull stick, and the rigid coupling has bracket and two revolving racks on the outer wall of mixing box, and the rigid coupling has two to assist the board on the shutoff board, and the rigid coupling has the bull stick on one of them assists the board, and the bull stick rotates on two revolving racks.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a process flow diagram for processing cement mortar;
FIG. 2 is a schematic structural view of processed cement mortar;
FIG. 3 is a schematic view of the cleaning and mixing tank;
FIG. 4 is a schematic structural view of a mixing box;
FIG. 5 is a schematic structural view of mixed cement mortar;
FIG. 6 is a schematic view of the structure of FIG. 5 in another orientation;
FIG. 7 is a schematic view of the structure of the crushed material;
FIG. 8 is a schematic view of the structure of FIG. 7 in another orientation;
FIG. 9 is a schematic view of the structure for opening and closing the mixing box;
fig. 10 is a schematic structural diagram for driving the plugging plate to rotate.
Detailed Description
Referring to fig. 1, a process of processing cement mortar is explained in detail:
a cement mortar processing technology comprises the following steps: the method comprises the following steps: preparing and adding a plurality of raw materials; step two: mixing a plurality of raw materials; step three; blanking the mixed cement mortar; step four: cleaning the device and collecting the cement mortar.
With the above embodiments, the following functions can also be realized;
referring to fig. 2, 3 and 4, the implementation of the complete blanking in the processing of cement mortar is described in detail:
a cement mortar processing device comprises a mixing box 11, wherein the mixing box 11 is in a cylindrical shape with a horizontal axis, after the mixing processing of cement mortar is carried out in the mixing box 11, the cement mortar automatically flows downwards to be discharged, and is finally concentrated on a bus at the lowest point, less cement mortar remains, a plurality of feeding pipes 12 are fixedly connected to the upper end of the mixing box 11, the plurality of feeding pipes 12 are used for adding raw materials into the mixing box 11, regulating valves are arranged in the plurality of feeding pipes 12, the weight of the cement mortar raw materials flowing out of the plurality of feeding pipes 12 in fixed time can be regulated, a discharging pipe 13 is arranged at the lower end of the mixing box 11, the axis of the discharging pipe 13 is positioned on the bus at the lowest point of the mixing box 11, the discharging is carried out through the discharging pipe 13, the cement mortar with the least remaining is discharged, a blocking plate 21 is arranged at the right side of the mixing box 11, and the blocking plate 21 blocks the right side of the mixing box 11, guarantee that cement mortar accomplishes the processing in mixing box 11 and does not reveal, cleaning plate 31 sets up the left side at mixing box 11, cleaning plate 31 can slide in mixing box 11, cleaning plate 31 can be with the left side shutoff of mixing box 11, guarantee processing cement mortar in mixing box 11 and do not reveal, when the unloading, can slide the cement mortar unloading that promotes the processing through drive cleaning plate 31, and simultaneously, cleaning plate 31 can scrape down the cement mortar on the inner wall of mixing box 11, accomplish the cleanness to mixing box 11, unloading pipe 13 sets up in the one side that is close to shutoff board 21, when cleaning plate 31 slides, can guarantee that more cement mortar carry out the unloading.
With the above embodiments, the following functions can also be realized;
referring to fig. 2, the process of cleaning cement mortar adhered to the plugging plate is described in detail:
fixedly connected with bracket 14 and two revolving racks 15 on the outer wall of mixing box 11, the fixed link has two auxiliary plate 22 on the shutoff board 21, fixedly connected with bull stick 23 on one of them auxiliary plate 22, bull stick 23 rotates and connects on two revolving racks 15, bull stick 23 can drive shutoff board 21 and rotate, when shutoff board 21 rotates, the frame on the right side of mixing box 11 can strike off the one side that shutoff board 21 is close to mixing box 11 and clean, scrape adnexed cement mortar down on the shutoff board 21, the cement mortar of processing is collected to the most efficient, when the axis of shutoff board 21 is coincided with the axis of mixing box 11, shutoff board 21 does not have the one end and the bracket 14 contact of relation of connection, by the bracket 14 bearing, bracket 14 plays supplementary fixed effect to shutoff board 21, make shutoff board 21 more firm when shutoff mixing box 11.
With the above embodiments, the following functions can also be realized;
with reference to fig. 5, 6, 7 and 8, the implementation of the cleaning plate movement is described in detail:
a double-ring plate 51 is fixedly connected on the mixing box 11, a guide frame 52 is fixedly connected on the double-ring plate 51, a threaded rod 32 is connected on the guide frame 52 through threads, the threaded rod 32 is fixedly connected with the cleaning plate 31, the threaded rod 32 is rotatably connected on the sliding plate 33, when the sliding plate 33 slides, the sliding plate 33 drives the threaded rod 32 to slide, the threaded rod 32 rotates while sliding under the guide of the threads on the guide frame 52, the threaded rod 32 drives the cleaning plate 31 to perform thread-like motion, the cleaning plate 31 pushes cement mortar on the inner wall of the mixing box 11 to perform blanking, when the cement mortar is mixed and processed, the sliding of the cleaning plate 31 can adjust the space of the mixing box 11 for processing the cement mortar, when the space in the mixing box 11 becomes small, the upper end surface of the cement mortar in the mixing box 11 rises, and conversely, falls, by adjusting the processing space of the cement mortar in the mixing box 11, the cement mortar raw materials can be fully mixed.
With the above embodiments, the following functions can also be realized;
referring to fig. 6 and 8, the implementation process of driving the sliding plate to slide will be described in detail:
spacing pole 53 fixed connection is on leading truck 52, lead screw 54 rotates to be connected on leading truck 52, lead screw 54 fixed connection is on the lead screw motor, lead screw motor fixed connection is on leading truck 52, lead screw 54 and sliding plate 33 pass through screw drive, sliding plate 33 sliding connection is on spacing pole 53, start the lead screw motor, the lead screw motor drives lead screw 54 and rotates, lead screw 54 slides on spacing pole 53 through screw drive sliding plate 33, and then realize the motion of cleaning plate 31, accomplish the cleanness to mixing box 11 inner wall.
With the above embodiments, the following functions can also be realized;
referring to fig. 5 and 6, the implementation of the mixed cement mortar raw material is described in detail:
the mixing frame 41 is rotationally connected to the double-ring plate 51, the mixing frame 41 is fixedly connected with the gear ring 45, the guide frame 52 is fixedly connected with the speed reducing motor I, the output shaft of the speed reducing motor I is fixedly connected with the gear ring gear 46, the gear ring gear 46 is in meshing transmission with the gear ring 45, the cleaning plate 31 is in sliding connection with the mixing frame 41, when the speed reducing motor I is started, the speed reducing motor I drives the gear ring gear 46 to rotate, the gear ring gear 46 is in meshing driving to rotate the gear ring 45, the gear ring 45 drives the mixing frame 41 to rotate, the mixing frame 41 mixes raw materials in the mixing box 11, the mixing frame 41 drives the cleaning plate 31 to rotate when rotating, the cleaning plate 31 drives the threaded rod 32 to rotate when rotating, the threaded rod 32 is in threaded guide downward axial movement on the guide frame 52, therefore, the cleaning plate 31 moves in the axial direction when rotating, and further changes the space for processing cement mortar in the mixing box 11, change the liquid level height of cement mortar, the cooperation mixes frame 41 and rotates, and the processing to cement mortar is accomplished to the abundant cement mortar raw materials of mixing, and gear motor I can carry out corotation and reversal for cleaning plate 31 carries out reciprocating motion, accelerates the mixing speed of cement mortar.
With the above embodiments, the following functions can also be realized;
referring to fig. 8, an implementation process for preventing cement mortar from leaking is described in detail:
be provided with between mixing frame 41 and the dicyclo board 51 and rotate sealedly, drive clean board 31 at mixing frame 41 and rotate when mixing the cement mortar raw materials, can not appear revealing of cement mortar between mixing frame 41 and dicyclo board 51, cause the card to die when mixing frame 41 rotates, can't accomplish the mixed processing to cement mortar, influence the use of device, influence the processing of cement mortar.
With the above embodiments, the following functions can also be realized;
referring to fig. 7, the implementation of mixing by crushing larger raw materials is detailed:
sliding connection has a plurality of sliding sleeves 43 on the mixing frame 41, all fixedly connected with spring 42 between a plurality of sliding sleeves 43 and the mixing frame 41, all fixedly connected with chain hammer 44 on a plurality of sliding sleeves 43, drive a plurality of chain hammers 44 and move when mixing frame 41 rotates, a plurality of chain hammers 44 beat and hammer the raw materials when mixing the raw materials in the motion process, the great raw materials that exists in the raw materials are hammered into pieces, prevent that great raw materials from blocking blanking pipe 13, can't carry out the unloading, in mixing frame 41 rotation process, cleaning plate 31 promotes a plurality of sliding sleeves 43 and slides, compress a plurality of spring 42, thereby promote a plurality of chain hammers 44 to slide, make chain hammers 44 fully break the raw materials of the cement mortar in mixing box 11, when cleaning plate 31 resets, a plurality of compressed spring 42 promote a plurality of sliding sleeves 43 and reset, and then realize a plurality of chain hammers 44 and reset.
With the above embodiments, the following functions can also be realized;
referring to fig. 7 and 8, the implementation of cleaning the inner wall of the mixing box is detailed:
fixedly connected with cleaning ring 61 on the cleaning plate 31, be provided with a plurality of teeth on the cleaning ring 61, when cleaning plate 31 rotates, cleaning plate 31 drives cleaning ring 61 and rotates, tooth on cleaning ring 61 will be attached to under the cement mortar shovel on the mixing box 11 inner wall, when meetting the cement mortar of solidification on mixing box 11 inner wall, the clean ring 61 of drive feeds repeatedly just can shovel the cement mortar of solidification under, strengthen the clean ability to mixing box 11 inner wall, guarantee the cleanness of mixing box 11 inner wall.
With the above embodiments, the following functions can also be realized;
with reference to fig. 9 and 10, the implementation of the driving closure plate to open and close is described in detail:
the rotating rod 23 is fixedly connected with a switch gear 24, the guide frame 52 is fixedly connected with an air cylinder 71, the air cylinder 71 is fixedly connected with a rack 72, the rack 72 is slidably connected with a limiting frame 73, the limiting frame 73 plays a role of stabilizing the rack 72 to ensure the rack 72 to reliably slide, the limiting frame 73 is fixedly connected with two rotating frames 15, the rack 72 is in meshing transmission with the switch gear 24, after cement mortar is processed, a blanking pipe 13 is opened to perform blanking collection, after the cement mortar in the mixing box 11 automatically flows, the cleaning plate 31 and the cleaning ring 61 are driven to move to clean the inner wall of the mixing box 11, then the air cylinder 71 is started, the air cylinder 71 drives the rack 72 to slide, the rack 72 is meshed to drive the switch gear 24 to rotate, the switch gear 24 drives the rotating rod 23 to rotate, the rotating rod 23 drives the plugging plate 21 to rotate to clean the plugging plate 21, and after the plugging plate 21 is completely opened, the cleaning plate 31, the cleaning ring 61 and the mixing frame 41 may be manually cleaned.

Claims (10)

1. A cement mortar processing technology is characterized by comprising the following steps:
the method comprises the following steps: preparing and adding a plurality of raw materials;
step two: mixing a plurality of raw materials;
step three; blanking the mixed cement mortar;
step four: cleaning the device and collecting the cement mortar.
2. The cement mortar processing process according to claim 1, characterized in that: the cement mortar processing technology further relates to a cement mortar processing device which comprises a mixing box (11), feeding pipes (12), a discharging pipe (13), a blocking plate (21) and a cleaning plate (31), wherein the plurality of feeding pipes (12) are arranged at the upper end of the mixing box (11), the discharging pipe (13) is arranged at the lower end of the mixing box (11), the blocking plate (21) is arranged on one side of the mixing box (11), and the cleaning plate (31) slides in the mixing box (11).
3. The cement mortar processing technology of claim 2, characterized in that: the device still includes bracket (14), revolving rack (15), assists board (22) and bull stick (23), and the rigid coupling has bracket (14) and two revolving racks (15) on the outer wall of mixing box (11), and the rigid coupling has two to assist board (22) on shutoff board (21), and the rigid coupling has bull stick (23) on one of them assists board (22), and bull stick (23) rotate on two revolving racks (15).
4. The cement mortar processing technology of claim 3, characterized in that: the device still includes dicyclo board (51), leading truck (52), threaded rod (32) and sliding plate (33), and the rigid coupling has dicyclo board (51) on mixing box (11), and the rigid coupling has leading truck (52) on dicyclo board (51), has threaded rod (32) through threaded connection on leading truck (52), threaded rod (32) and clean board (31) rigid coupling, and threaded rod (32) rotate to be connected on sliding plate (33).
5. The cement mortar processing technology of claim 4, characterized in that: the device also comprises a limiting rod (53) and a screw rod (54), wherein the limiting rod (53) is fixedly connected to the guide frame (52), the screw rod (54) rotates on the guide frame (52), the screw rod (54) and the sliding plate (33) are in threaded transmission, and the sliding plate (33) slides on the limiting rod (53).
6. The cement mortar processing technology of claim 5, characterized in that: the device still includes and mixes frame (41), ring gear (45) and ring gear (46), it rotates on double ring board (51) to mix frame (41), the rigid coupling has ring gear (45) on mixing frame (41), the rigid coupling has gear motor I on leading truck (52), the rigid coupling has ring gear (46) on gear motor I's the output shaft, ring gear (46) and ring gear (45) meshing transmission, cleaning plate (31) and mixing frame (41) sliding connection.
7. The cement mortar processing technology of claim 6, characterized in that: the mixing frame (41) and the double ring plate (51) are rotationally sealed.
8. The cement mortar processing technology of claim 6, characterized in that: the device still includes spring (42), sliding sleeve (43) and chain hammer (44), and it has a plurality of sliding sleeves (43) to slide on mixing frame (41), and equal rigid coupling has spring (42) between a plurality of sliding sleeves (43) and mixing frame (41), and equal rigid coupling has chain hammer (44) on a plurality of sliding sleeves (43).
9. The cement mortar processing process according to claim 8, characterized in that: the device also comprises a cleaning ring (61), and the cleaning ring (61) is fixedly connected to the cleaning plate (31).
10. The cement mortar processing technology of claim 9, characterized in that: the device also comprises a switch gear (24), an air cylinder (71), a rack (72) and a limiting frame (73), wherein the switch gear (24) is fixedly connected onto the rotating rod (23), the air cylinder (71) is fixedly connected onto the guide frame (52), the rack (72) is fixedly connected onto the air cylinder (71), the rack (72) slides on the limiting frame (73), the limiting frame (73) is fixedly connected onto the two rotating frames (15), and the rack (72) and the switch gear (24) are in meshing transmission.
CN202111297866.XA 2021-11-04 2021-11-04 Cement mortar processing technology Withdrawn CN113997411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111297866.XA CN113997411A (en) 2021-11-04 2021-11-04 Cement mortar processing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111297866.XA CN113997411A (en) 2021-11-04 2021-11-04 Cement mortar processing technology

Publications (1)

Publication Number Publication Date
CN113997411A true CN113997411A (en) 2022-02-01

Family

ID=79927044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111297866.XA Withdrawn CN113997411A (en) 2021-11-04 2021-11-04 Cement mortar processing technology

Country Status (1)

Country Link
CN (1) CN113997411A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800795A (en) * 2021-10-08 2021-12-17 哈尔滨市蜜国郎环保工程有限公司 Cement and production process thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113800795A (en) * 2021-10-08 2021-12-17 哈尔滨市蜜国郎环保工程有限公司 Cement and production process thereof

Similar Documents

Publication Publication Date Title
CN208584665U (en) A kind of building trade cement stirring device
CN113997411A (en) Cement mortar processing technology
CN208359079U (en) A kind of blender for concrete mixing plant
CN111975998A (en) Concrete mixing device for building
CN109806955A (en) A kind of environment-friendly type residual concrete recycling equipment for civil construction
CN206731297U (en) Sand separating equipment
CN211306914U (en) But feed hopper filter impurity's building cement agitating unit
CN108687956B (en) Concrete compounding device for building
CN216909901U (en) Equipment for preparing river sludge curing agent by using construction waste
CN216320420U (en) Waste slurry metering and filtering device for concrete block production
CN213102398U (en) Breaker is used in concrete production
CN111716526B (en) Aerated building block cutting waste recovery system
CN213766429U (en) Building decoration engineering is with mixing lime-soil equipment
CN216372754U (en) Recycled concrete mixer
CN215150437U (en) Three-dimensional automatic production pouring concrete's watering mechanical device
CN212385785U (en) Rubber stirring rubbing crusher device
CN213352930U (en) Double-shaft mixer
CN209682591U (en) A kind of special concrete engineering material production fine powder mixing device
CN210082091U (en) Mixer feeder
CN218083411U (en) Be applied to building material's blender
CN212215812U (en) Solid waste treatment device for environment-friendly machinery
CN211709650U (en) Mortar mixer for housing construction
CN208177541U (en) A kind of automation stone crushing device
CN217368703U (en) Material processing apparatus of hyaluronic acid production usefulness
CN217395310U (en) Cement stirring filter equipment is used in view engineering construction

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20220201