CN111002476A - Cement mixing system for construction of controllable raise dust - Google Patents
Cement mixing system for construction of controllable raise dust Download PDFInfo
- Publication number
- CN111002476A CN111002476A CN201911361027.2A CN201911361027A CN111002476A CN 111002476 A CN111002476 A CN 111002476A CN 201911361027 A CN201911361027 A CN 201911361027A CN 111002476 A CN111002476 A CN 111002476A
- Authority
- CN
- China
- Prior art keywords
- dust
- dust cover
- pipe
- cement mixing
- feeding
- 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.)
- Pending
Links
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
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/14—Supply means incorporated in, or mounted on, mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention relates to the field of cleaning production, in particular to a construction cement stirring system capable of controlling raised dust, which comprises a rack, a stirring mechanism and a feeding mechanism, wherein the stirring mechanism and the feeding mechanism are arranged on the rack, a feed opening of the feeding mechanism is communicated with a feed opening of the stirring mechanism, a dust cover is arranged at the top of the feeding mechanism, a dust removing barrel is arranged on the rack, the dust cover covers above the feed opening of the feeding mechanism, an air pump is arranged on the side wall of the dust cover, a discharge opening of the stirring mechanism is connected with a discharging mechanism, the discharging mechanism comprises a receiving box, a feed box and a feeding pipe, the feeding pipe is arranged on one side of the feed box, the receiving box is arranged on the feed box and is communicated with the feed box, the problem that the existing cement stirring device is solved, because most of cement raw materials mainly comprising powder, a large amount of raised dust can be generated during feeding and discharging, although an external spraying mechanism can, but the generation of the flying dust is not reduced fundamentally, so that the problem that a large amount of flying dust still exists in a construction site is caused.
Description
Technical Field
The invention relates to the field of clean production, in particular to a construction cement stirring system capable of controlling dust emission.
Background
Cement mixing plant often can be used in the construction, in use feed mechanism adds various raw materials to rabbling mechanism, and the ejection of compact is transported after waiting to accomplish the stirring, because mostly use the powder to be main in the cement raw materials, all can produce a large amount of raise dusts during the material loading with during the ejection of compact, although certain raise dusts can be clear away to external spraying mechanism, but not fundamentally reduces or controls the production of raise dusts, leads to the job site still to have a large amount of raise dusts.
Disclosure of Invention
The invention provides a construction cement stirring system capable of controlling dust emission, aiming at the problems that a large amount of dust emission still exists in a construction site because an external spraying mechanism can remove a certain amount of dust emission because most cement raw materials mainly contain powder and the dust emission is generated during feeding and discharging, and the generation of the dust emission is not fundamentally reduced or controlled in the prior art.
The technical scheme is that the construction cement stirring system capable of controlling the dust emission comprises a frame, a stirring mechanism and a feeding mechanism, wherein the stirring mechanism and the feeding mechanism are both arranged on the frame, a feed opening of the feeding mechanism is communicated with a feed opening of the stirring mechanism, wherein the feed mechanism top is provided with the dust cover, be provided with the dust removal bucket in the frame, the dust cover covers in feed mechanism's feed opening top, the dust cover lateral wall is provided with the air pump, the dust cover top is connected with the gas-supply pipe, the gas-supply pipe passes the air pump and is connected with the dust removal bucket, contain the cleaner in the dust removal bucket, be connected with the blast pipe on the dust removal bucket, the discharge gate of rabbling mechanism is connected with discharge mechanism, discharge mechanism is including receiving box, unloading case and conveying pipe, the unloading case is connected with the frame, unloading case one side is located to the conveying pipe, the receiving box is located on the unloading case, and communicate with the unloading case, the receiving box passes through.
Furthermore, the feed inlet of receiving box is provided with the connection seat, and connecting pipe one end is passed through the screw and is connected with rabbling mechanism's discharge gate, and the other end of connecting pipe is connected with the connection seat through the second hoop body.
Further, the dust cover both sides are provided with the installation piece, and the dust cover is connected with the feed mechanism top through the first fixing bolt who passes the installation piece.
Optionally, the bottom of the dust cover is provided with a through opening for the feeding trolley to enter.
Optionally, the top of the inner cavity of the dust cover is conical, the highest point of the conical shape is the air outlet of the dust cover, and the air outlet of the dust cover is provided with an air collecting ring.
Furthermore, the bottom of dust cover is provided with the dust curtain.
Optionally, a movable cover plate is arranged at the top of the dust removal barrel, a fixing plate is arranged at the bottom of the dust removal barrel, and the dust removal barrel is connected with the rack through a second fixing bolt penetrating through the fixing plate.
Optionally, the gas transmission pipe and the exhaust pipe both penetrate through the movable cover plate, one end of the gas transmission pipe is inserted into the clear filtrate, a filter screen is fixed on one section of the gas transmission pipe located in the clear filtrate through the first hoop body, and the exhaust pipe is located outside the clear filtrate.
Optionally, the filter screen is conical, and the top of the filter screen and the first hoop body are provided.
The beneficial effects of the invention at least comprise one of the following;
1. set up the dust cover on the feed mechanism through current cement mixing plant, absorb the raise dust that the feeding part produced when stirring and prevent to leak, control the raise dust in construction area by a wide margin.
2. The stirring mechanism of the existing cement stirring device is provided with the discharging mechanism consisting of the receiving box, the blanking box and the feeding pipe, and the discharging mechanism is of a closed structure, so that the dust at the discharging end of the cement stirring system can be greatly reduced.
3. Through the structures such as the gas-supply pipe, the dust removal bucket and the air pump that set up, adsorb the processing in leading-in dust removal bucket of the material loading dust that the dust cover was collected.
4. The problem of current cement mixing device, because use the powder as the main in the cement raw materials mostly, all can produce a large amount of raise dusts during the material loading with the ejection of compact, though certain raise dusts can be clear away to external spraying mechanism, but not fundamentally reduces or control the production of raise dusts, leads to the job site still to have a large amount of raise dusts is solved.
Drawings
FIG. 1 is a schematic structural view of a construction cement mixing system capable of controlling dust emission;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic view of a dust cover;
FIG. 4 is a schematic view of the dust removing barrel;
labeled as: 1 is a stirring mechanism, 2 is a frame, 3 is a support column, 4 is a feeding mechanism, 5 is a dust cover, 6 is a gas collecting ring, 7 is a gas conveying pipe, 8 is an air pump, 9 is a feeding trolley, 10 is a dust removing barrel, 11 is an exhaust pipe, 12 is a dust-proof curtain, 13 is a feed opening, 14 is an opening, 15 is an installation sheet, 16 is a first fixing bolt, 17 is a movable cover sheet, 18 is a filter screen, 19 is a fixing sheet, 20 is a second fixing bolt, 21 is a first hoop body, 22 is a filtrate, 23 is a receiving box, 24 is a feed box, 25 is a feed pipe, 26 is a connecting pipe, 27 is a second hoop body and 28 is a connecting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a cement mixing system for construction of controllable raise dust includes frame 2, rabbling mechanism 1 and feed mechanism 4 all locate in frame 2, and feed opening 13 of feed mechanism 4 and the feed inlet intercommunication of rabbling mechanism 1, wherein 4 tops of feed mechanism are provided with dust cover 5, be provided with dust removal bucket 10 in frame 2, dust cover 5 covers in the feed opening 13 top of feed mechanism 4, 5 lateral walls of dust cover are provided with air pump 8, 5 tops of dust cover are connected with gas-supply pipe 7, gas-supply pipe 7 passes air pump 8 and is connected with dust removal bucket 10, contain in the dust removal bucket 10 and strain clear liquid 22, be connected with blast pipe 11 on the dust removal bucket 10. The discharge port of the stirring mechanism 1 is connected with a discharge mechanism, the discharge mechanism comprises a receiving box 23, a discharging box 24 and a feeding pipe 25, the discharging box 24 is connected with the rack 2, the feeding pipe 25 is arranged on one side of the discharging box 24, the receiving box 23 is arranged on the discharging box 24 and is communicated with the discharging box 24, and the receiving box 23 is connected with the discharge port of the stirring mechanism 1 through a connecting pipe 26.
In the use, set up the dust cover on the feed mechanism through current cement mixing plant, absorb the raise dust that the material loading part produced when stirring and prevent to leak, control the raise dust of construction area by a wide margin. Through the structures such as the gas-supply pipe, the dust removal bucket and the air pump that set up, adsorb the processing in leading-in dust removal bucket of the material loading dust that the dust cover was collected.
Simultaneously, the discharge mechanism who constitutes by receiving box, unloading case and conveying pipe is set up on the rabbling mechanism through current cement mixing plant, because discharge mechanism is enclosed construction, can reduce the raise dust that is located cement mixing system discharge end by a wide margin. The problem of current cement mixing device, because use the powder as the main in the cement raw materials mostly, all can produce a large amount of raise dusts during the material loading with the ejection of compact, though certain raise dusts can be clear away to external spraying mechanism, but not fundamentally reduces or control the production of raise dusts, leads to the job site still to have a large amount of raise dusts is solved.
When this scheme of implementation, technical personnel in the field can improve on current cement agitating unit, increases the dust cover, chooses for use flexible pipe as gas-supply pipe, blast pipe and connecting pipe, connects under the multiple scene of being convenient for.
Meanwhile, in order to enable the cement stirring device to work stably on site, a person skilled in the art can arrange the supporting columns 3 below the rack to ensure the balance of the whole equipment.
In this embodiment, a connection seat 28 is disposed at the feeding port of the receiving box 23, one end of the connection pipe 26 is connected to the discharging port of the stirring mechanism 1 through a screw, and the other end of the connection pipe 26 is connected to the connection seat 28 through a second hoop body 27.
The purpose of design like this provides a mode that discharge mechanism and rabbling mechanism are connected, and receiving box and feed box adopt detachable connected mode, are convenient for dismantle the clearance when the equipment maintenance.
Simultaneously, set up the joint chair at the feed inlet of receiving box, can dismantle with the discharge gate of connecting pipe one end through helicitic texture and rabbling mechanism and be connected earlier, then cup joint the connecting pipe other end on the joint chair through the second hoop body, realize dredging the material in the rabbling mechanism to discharge mechanism when the ejection of compact in, reduce the raise dust by a wide margin, then carry other processes to through the material after the conveying pipe will stir.
In the embodiment, a connection mode of the dust cover and the feeding mechanism is disclosed, wherein mounting pieces 15 are arranged on two sides of the dust cover 5, and the dust cover 5 is connected with the top of the feeding mechanism 4 through a first fixing bolt 16 penetrating through the mounting pieces 15.
In this embodiment, the bottom of the dust cover 5 is provided with a through hole 14 for the feeding trolley 9 to enter.
In the use, the material loading dolly gets into the dust cover from the opening along feed mechanism's slide rail, then rotatory material in with the dolly is inputed to rabbling mechanism from feed mechanism's feed opening, and the raise dust that whole process produced is gathered by the dust cover and is carried to the dust removal bucket along the gas-supply pipe under the drive of air pump and handle.
In this embodiment, the top of the inner cavity of the dust cover 5 is conical, the highest point of the conical shape is the air outlet of the dust cover 5, and the air collecting ring 6 is arranged at the air outlet of the dust cover 5. The bottom of the dust cover 5 is provided with a dust curtain 12.
In the use, adopt the toper top to be favorable to the dust cover to assemble the raise dust, then set up the dustproof curtain in the dust cover bottom, can further block the raise dust, when chooseing for use the dustproof curtain, can choose for use the strip curtain of transparent adhesive material to set up its edge along the dust cover in the bottom of dust cover.
In the embodiment, a specific structure of a dust removing barrel is disclosed, wherein a movable cover plate 17 is arranged at the top of the dust removing barrel 10, a fixing plate 19 is arranged at the bottom of the dust removing barrel 10, and the dust removing barrel 10 is connected with a frame 2 through a second fixing bolt 20 penetrating through the fixing plate 19. The gas pipe 7 and the exhaust pipe 11 both penetrate through the movable cover plate 17, one end of the gas pipe 7 is inserted into the clear filtrate 22, a filter screen 18 is fixed on one section of the gas pipe 7, which is positioned in the clear filtrate 22, through the first hoop body 21, and the exhaust pipe 11 is positioned outside the clear filtrate 22. The screen 18 is conical, and the top of the screen 18 is connected with the first hoop body 21.
In the use, the gas that has the raise dust is inputed to the dust removal bucket along the gas-supply pipe under the promotion of air pump in, and discharge in straining the clear liquid from the follow, strain the clear liquid and adsorb the raise dust in the gas, discharge in the blast pipe is finally followed to clean gas, the technical personnel in the field can select water when chooseing for use to strain the clear liquid, in order to further improve the filtering effect, can be located the one end of straining the clear liquid at the gas-supply pipe and set up the filter screen, can carry out the breakage with the bubble that generates, improve the area of contact of gas and strain the clear liquid.
When straining the clear liquid and changing, the skilled person can be through demolising second fixing bolt to separate movable cover plate and dust removal bucket, will strain the clear liquid and pour out, can choose for use great volumetric dust removal bucket in order to reduce the change frequency, because the raise dust is prolific in the material loading stage simultaneously, can rotate when the material loading and open the air pump.
The skilled person can design the switch circuit of the air pump and lay necessary accessories such as power supply.
Claims (9)
1. The utility model provides a cement mixing system for construction of controllable raise dust, includes frame (2), rabbling mechanism (1) and feed mechanism (4), on frame (2) was all located in rabbling mechanism (1) and feed mechanism (4), and feed inlet (13) of feed mechanism (4) and the feed inlet intercommunication of rabbling mechanism (1), its characterized in that: the dust cover (5) is arranged at the top of the feeding mechanism (4), the dedusting barrel (10) is arranged on the rack (2), the dust cover (5) covers the upper part of a blanking port (13) of the feeding mechanism (4), an air pump (8) is arranged on the side wall of the dust cover (5), the top of the dust cover (5) is connected with an air pipe (7), the air pipe (7) penetrates through the air pump (8) to be connected with the dedusting barrel (10), a filtrate (22) is contained in the dedusting barrel (10), an exhaust pipe (11) is connected on the dedusting barrel (10), a discharge port of the stirring mechanism (1) is connected with a discharging mechanism, the discharging mechanism comprises a receiving box (23), a blanking box (24) and a feeding pipe (25), the blanking box (24) is connected with the rack (2), the feeding pipe (25) is arranged on one side of the blanking box (24), the receiving box (23) is arranged on the blanking box (24), and is communicated with a blanking box (24), and the receiving box (23) is connected with a discharge hole of the stirring mechanism (1) through a connecting pipe (26).
2. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: the feed inlet of collection box (23) is provided with connection base (28), connecting pipe (26) one end is passed through the screw and is connected with the discharge gate of rabbling mechanism (1), and the other end of connecting pipe (26) is connected with connection base (28) through second hoop body (27).
3. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: the dust cover is characterized in that mounting pieces (15) are arranged on two sides of the dust cover (5), and the dust cover (5) is connected with the top of the feeding mechanism (4) through first fixing bolts (16) penetrating through the mounting pieces (15).
4. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: and a through hole (14) for the feeding trolley (9) to enter is formed in the bottom of the dust cover (5).
5. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: the top of the inner cavity of the dust cover (5) is conical, the highest point of the conical shape is an air outlet of the dust cover (5), and an air collecting ring (6) is arranged at the air outlet of the dust cover (5).
6. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: and a dustproof curtain (12) is arranged at the bottom of the dustproof cover (5).
7. The construction cement mixing system capable of controlling dust emission according to claim 1, wherein: the top of the dust removing barrel (10) is provided with a movable cover plate (17), the bottom of the dust removing barrel (10) is provided with a fixing plate (19), and the dust removing barrel (10) is connected with the rack (2) through a second fixing bolt (20) penetrating through the fixing plate (19).
8. The construction cement mixing system capable of controlling dust emission according to claim 7, wherein: air-supply pipe (7) and blast pipe (11) all pass movable cover piece (17), and air-supply pipe (7) one end is inserted and is strained in clear liquid (22), and air-supply pipe (7) are located one section in straining clear liquid (22) and go up to be fixed with filter screen (18) through first hoop body (21), blast pipe (11) are located outside straining clear liquid (22).
9. The construction cement mixing system capable of controlling dust emission according to claim 8, wherein: the filter screen (18) is conical, and the top of the filter screen (18) is connected with the first hoop body (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361027.2A CN111002476A (en) | 2019-12-25 | 2019-12-25 | Cement mixing system for construction of controllable raise dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361027.2A CN111002476A (en) | 2019-12-25 | 2019-12-25 | Cement mixing system for construction of controllable raise dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111002476A true CN111002476A (en) | 2020-04-14 |
Family
ID=70118529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911361027.2A Pending CN111002476A (en) | 2019-12-25 | 2019-12-25 | Cement mixing system for construction of controllable raise dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111002476A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851392A (en) * | 2022-05-23 | 2022-08-05 | 商丘工学院 | A environment-friendly concrete processing equipment for civil engineering building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034385A (en) * | 1982-12-14 | 1985-02-21 | エイイーピーエルシー | Tank device for slurry having fixed liquid-surface height |
| CN208132195U (en) * | 2018-04-28 | 2018-11-23 | 林振裕 | A kind of dust cleaning apparatus of laser cutting machine tool |
| CN208263177U (en) * | 2018-06-02 | 2018-12-21 | 朱大力 | A kind of concrete for construction engineering mixing plant |
| CN109264299A (en) * | 2018-09-18 | 2019-01-25 | 曹金标 | A kind of concrete mix feed device |
| CN208694812U (en) * | 2018-08-08 | 2019-04-05 | 湖北鹏威管业有限公司 | For producing the mixing apparatus of powdery row material of plastic pipe |
-
2019
- 2019-12-25 CN CN201911361027.2A patent/CN111002476A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034385A (en) * | 1982-12-14 | 1985-02-21 | エイイーピーエルシー | Tank device for slurry having fixed liquid-surface height |
| CN208132195U (en) * | 2018-04-28 | 2018-11-23 | 林振裕 | A kind of dust cleaning apparatus of laser cutting machine tool |
| CN208263177U (en) * | 2018-06-02 | 2018-12-21 | 朱大力 | A kind of concrete for construction engineering mixing plant |
| CN208694812U (en) * | 2018-08-08 | 2019-04-05 | 湖北鹏威管业有限公司 | For producing the mixing apparatus of powdery row material of plastic pipe |
| CN109264299A (en) * | 2018-09-18 | 2019-01-25 | 曹金标 | A kind of concrete mix feed device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851392A (en) * | 2022-05-23 | 2022-08-05 | 商丘工学院 | A environment-friendly concrete processing equipment for civil engineering building |
| CN114851392B (en) * | 2022-05-23 | 2023-09-01 | 商丘工学院 | Environment-friendly concrete processing equipment for civil engineering building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108160184A (en) | A kind of environment-friendly type building solid waste processing equipment | |
| CN111002476A (en) | Cement mixing system for construction of controllable raise dust | |
| CN217015840U (en) | Full-automatic dust collecting equipment is used in silicon metal processing | |
| CN108144924A (en) | A kind of screen dedusting Destaticizing device | |
| CN211487052U (en) | Cement mixing plant is used in construction of controllable raise dust of material loading mouth | |
| CN214488017U (en) | Automatic brucite powder production equipment | |
| CN215137781U (en) | Efficient cleaning equipment for filter element | |
| CN211367192U (en) | Foam eliminating device for industrial wastewater treatment | |
| CN218794201U (en) | Waterproof thick liquids automation line of general type | |
| CN208493574U (en) | A kind of dual-purpose precipitron of movable type | |
| CN208684437U (en) | It is a kind of for metallic leatherette paper processing after water process recycling equipment | |
| CN207827871U (en) | A kind of energy-saving type quartz purifying plant | |
| CN208116297U (en) | A kind of screen dedusting Destaticizing device | |
| CN216023928U (en) | Equipment dust collector for feed production | |
| CN219899130U (en) | Rice processing dust collector | |
| CN214221249U (en) | Energy-conserving dust collecting equipment for coal mine | |
| CN217857540U (en) | Ceramic tile surface dust removal device | |
| CN221244256U (en) | Cylinder external filtering type filter | |
| CN213790504U (en) | Environment-friendly sack dust collector for polished tiles | |
| CN219985321U (en) | Rice seed screening edulcoration equipment | |
| CN221831893U (en) | Dust recovery device | |
| CN221207253U (en) | Dust collection and recovery device for dry powder mortar production | |
| CN218963180U (en) | Screening machine with protection function for wheat breeding | |
| CN218502215U (en) | Clean vertical mill for cement raw materials | |
| CN215655711U (en) | Powder iron remover |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |