CN109676788A - A kind of environment protection-type cement stirring device - Google Patents
A kind of environment protection-type cement stirring device Download PDFInfo
- Publication number
- CN109676788A CN109676788A CN201910138284.3A CN201910138284A CN109676788A CN 109676788 A CN109676788 A CN 109676788A CN 201910138284 A CN201910138284 A CN 201910138284A CN 109676788 A CN109676788 A CN 109676788A
- Authority
- CN
- China
- Prior art keywords
- seal closure
- fugitive dust
- rack
- cement
- dust case
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- 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
-
- 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
- B28C5/14—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 horizontal or substantially horizontal axis
- B28C5/142—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 horizontal or substantially horizontal axis the stirrer shaft carrying screw-blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention provides a kind of environment protection-type cement stirring device, including rack, conveyer belt, seal closure, sweep-up pipe, rabbling mechanism, fugitive dust recovering mechanism and dedusting mechanism, conveyer belt is mounted on the top of rack, seal closure is mounted on the top of rack and rack is surrounded closed space, rabbling mechanism is mounted on the rack and is located at the inside of seal closure, fugitive dust recovering mechanism is mounted on seal closure and is connected to by sweep-up pipe with seal closure, and dedusting mechanism is located on seal closure.Cement is avoided to generate fugitive dust the station closing of processing by seal closure, the fugitive dust generated in process is evacuated on dust-removal cloth-bag by negative pressure pump and twin shaft cylinder can shake the cement of dust-removal cloth-bag recycling, and then fugitive dust caused by cement can be re-used while guaranteeing processing environment, cement is stirred in multiple directions by the rotation of support rack type shaft and the rotation of auger, it is cleared up by the cement that scraper plate is bonded seal closure inner wall, ensure that the cleaning inside equipment.
Description
Technical field
The present invention relates to environmental protection machinery technical field, specially a kind of environment protection-type cement stirring device.
Background technique
Publication No. CN105666676B provides the concrete transportation line for precast concrete production, this device
By the way that in the concrete transportation line that produces for precast concrete, multiple storage bins are placed in an enclosure space, this
Sample is in concrete material transmission process, and dust does not diffuse into the other positions of production line, and workshop is more clean and tidy hygienic,
But this device can not directly be handled dust, and can not recycle fugitive dust caused by cement.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of environment protection-type cement stirring device
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of environment protection-type cement stirring device, including rack, conveyer belt, seal closure, sweep-up pipe, rabbling mechanism, fugitive dust return
It receives mechanism and dedusting mechanism, the conveyer belt is mounted on the top of rack, in which:
The seal closure is mounted on the top of rack and rack is surrounded closed space, and the rabbling mechanism is mounted on machine
On frame and be located at seal closure inside, the fugitive dust recovering mechanism include fugitive dust case, negative pressure pump, tracheae, side plate, dust-removal cloth-bag,
Hush panel, twin shaft cylinder, discharge plate and hydraulic cylinder I, the fugitive dust case is mounted on seal closure and fugitive dust case passes through dust suction
Pipe is connected to seal closure, and the negative pressure pump is connected to by tracheae with fugitive dust case, and two side plates are movably arranged on fugitive dust respectively
Two sides inside case are simultaneously connect with twin shaft cylinder-driven, the both ends of the dust-removal cloth-bag respectively with two side plates are fixed connects
It connects, two hush panels are movably arranged on the top of fugitive dust case respectively and are fixedly connected respectively with two side plates, described
Discharge plate is movably arranged on seal closure by hydraulic cylinder I and discharge plate is located at the lower section of fugitive dust case；And
The dedusting mechanism is located on seal closure.
Preferably, the rabbling mechanism includes agitator tank, support rack type shaft, decelerating motor I, auger, decelerating motor II, gear
Plate and hydraulic cylinder II, the agitator tank are mounted on the rack and are located at the inside of seal closure, and the support rack type shaft passes through bearing
It is mounted in agitator tank and is connected by power with decelerating motor I, three augers pass through that bearing is equal angular to be mounted on branch respectively
In frame type shaft, and auger is connected by power with decelerating motor II respectively, and the panel hinge is in the bottom of agitator tank, the liquid
The both ends of cylinder pressure II are respectively hinged on agitator tank and baffle.
Preferably, the dedusting mechanism includes scraper plate, screw rod and decelerating motor III, and the scraper plate agrees in seal closure
Portion, the both ends of the screw rod pass through bearing respectively and are mounted on seal closure, and wherein screw rod penetrates through scraper plate and forms spiral shell with scraper plate
Line transmission, the decelerating motor III are connect with screw rod transmission.
Preferably, the seal closure is equipped with open slot, and the discharge plate is movably arranged in open slot, the fugitive dust
The bottom of case is equipped with discharge nozzle, and the discharge plate is fitted in the bottom of discharge nozzle.
Preferably, one end of two side plates penetrates through fugitive dust case, and two hush panels are that overlapping type is installed and right
Fugitive dust case realizes sealing.
Preferably, the agitator tank is located at the lower section of conveyer belt, and the discharge nozzle of the bottom of the fugitive dust case is located at agitator tank
Top.
Compared with prior art, the beneficial effects of the present invention are:
1. the station closing of processing is avoided cement from generating fugitive dust by the present invention by seal closure, cement is thereby reduced
Harm to human body.
2. the fugitive dust generated in process is evacuated on dust-removal cloth-bag and twin shaft cylinder energy by the present invention by negative pressure pump
The enough cement of shake dust-removal cloth-bag recycling, and then can re-use caused by cement and raise while guaranteeing processing environment
Dirt, and then effectively cement, which is utilized, achievees the effect that environmental protection.
3. the present invention is stirred cement in multiple directions by the rotation of support rack type shaft and the rotation of auger, into
And adequately stirring can be carried out uniformly to cement.
4. the present invention is cleared up by the cement that scraper plate is bonded seal closure inner wall, the cleaning inside equipment ensure that.
Detailed description of the invention
Fig. 1 is overall structure schematic three dimensional views of the present invention；
Fig. 2 is the schematic three dimensional views in overall structure of the present invention under the hidden state of seal closure side；
Fig. 3 is the schematic three dimensional views of rabbling mechanism in the present invention；
Fig. 4 is the cross-sectional view of agitator tank in the present invention；
Fig. 5 is the schematic three dimensional views of fugitive dust recovering mechanism in the present invention；
Fig. 6 is schematic three dimensional views when dust-removal cloth-bag is mounted on side plate in the present invention；
Fig. 7 is the cross-sectional view of fugitive dust recovering mechanism in the present invention；
Fig. 8 is the portion A structural schematic diagram in Fig. 2；
Fig. 9 is the schematic three dimensional views of dedusting mechanism in the present invention.
In figure: 1 rack, 2 conveyer belts, 3 seal closures, 4 sweep-up pipes, 5 rabbling mechanisms, 6 fugitive dust recovering mechanisms, 7 dedusting mechanisms,
It is 31 open slots, 51 agitator tanks, 52 support rack type shafts, 53 decelerating motors I, 54 augers, 55 decelerating motors II, 56 baffles, 57 hydraulic
Cylinder II, 61 fugitive dust casees, 62 negative pressure pumps, 63 tracheaes, 64 side plates, 65 dust-removal cloth-bags, 66 hush panels, 67 twin shaft cylinders, 68 dischargings gear
Plate, 69 hydraulic cylinders I, 611 discharge nozzles, 71 scraper plates, 72 screw rods, 73 decelerating motors III.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
Fig. 1 to Fig. 9 is please referred to, the present invention provides a kind of technical solution:
A kind of environment protection-type cement stirring device, including rack 1, conveyer belt 2, seal closure 3, sweep-up pipe 4, rabbling mechanism 5, raise
Dirt recovering mechanism 6 and dedusting mechanism 7, in which:
Conveyer belt 2 is mounted on the top of rack 1 by bolt, and seal closure 3 is mounted on the top of rack 1 and encloses rack 1
At closed space, wherein seal closure 3 is equipped with open slot 31, and the end of 3 side of seal closure is equipped with opening for feeding；
Rabbling mechanism 5 includes agitator tank 51, support rack type shaft 52, decelerating motor I 53, auger 54, decelerating motor II 55, gear
Plate 56 and hydraulic cylinder II 57, agitator tank 51 is mounted by means of bolts on the inside in rack 1 and being located at seal closure 3, wherein stirring
Mix case 51 be located at 2 one side end of conveyer belt lower section so that can load conveyer belt 2 conveying raw material and agitator tank 51 it is interior
Portion can be good at carrying out discharging in ramped shaped, and support rack type shaft 52 is mounted in agitator tank 51 by bearing, decelerating motor I 53
It is mounted by means of bolts on agitator tank 51, the power output end of decelerating motor I 53 passes through shaft joint and support rack type shaft 52
It is fixedly connected, and then the power that decelerating motor I 53 exports is able to drive the rotation of support rack type shaft 52, three augers 54 pass through respectively
Bearing is equal angular to be mounted in support rack type shaft 52, and three decelerating motors II 55 pass through the equal angular fixed installation of bolt respectively
In support rack type shaft 52, the power output end of three decelerating motors II 55 passes through shaft joint and the fixed company of three augers 54 respectively
It connects, and then the power that decelerating motor II 55 exports is able to drive the rotation of auger 54, baffle 56 is hinged on agitator tank by flap
The discharge port of 51 bottom, and then the unlatching of baffle 56 can be realized the effect of discharging, the both ends of hydraulic cylinder II 57 pass through respectively
Pedestal is hinged on agitator tank 51 and baffle 56, and then the flexible unlatching and closing for being able to drive baffle 56 of hydraulic cylinder II 57；
Fugitive dust recovering mechanism 6 include fugitive dust case 61, negative pressure pump 62, tracheae 63, side plate 64, dust-removal cloth-bag 65, hush panel 66,
Twin shaft cylinder 67, discharge plate 68 and hydraulic cylinder I 69, fugitive dust case 61 are fixedly mounted on seal closure 3 by pedestal, sweep-up pipe 4
Both ends be tightly connected respectively with seal closure 3 and fugitive dust case 61, and then fugitive dust case 61 is connected to by sweep-up pipe 4 with seal closure 3,
The bottom of fugitive dust case 61, which is equipped with discharge nozzle 611 and the inside of fugitive dust case 61, can be good at carrying out discharging, negative pressure in ramped shaped
The sides that pump 62 is mounted by means of bolts on fugitive dust case 61, the both ends of tracheae 63 respectively with the outlet side of negative pressure pump 62 and raise
Dirt case 61 is tightly connected, and then is connected between negative pressure pump 62 and fugitive dust case 61 by tracheae 63, and two side plates 64 respectively pacify by activity
Two sides inside fugitive dust case 61, and one end of two side plates 64 penetrates through fugitive dust case 61, and twin shaft cylinder 67, which is mounted on, to be raised
The upside of dirt case 61, one end that the power output end at 67 both ends of twin shaft cylinder penetrates through fugitive dust case 61 with two side plates 64 respectively are solid
Fixed connection, and then twin shaft cylinder 67 is able to drive two side plates 64 and moves, the both ends of dust-removal cloth-bag 65 respectively with two side plates 64
It is fixedly connected, dust-removal cloth-bag 65 can adsorb cement fugitive dust, and two hush panels 66 are movably arranged on fugitive dust case 61 respectively
Top and be fixedly connected respectively with two side plates 64, two of them hush panel 66 be overlapping type install and to fugitive dust case 61 realize
Sealing, and hush panel 66 will not influence the movement of side plate 64, and discharge plate 68 is movably arranged in open slot 31, hydraulic cylinder I
69 are fixedly mounted on seal closure 3, and the power output end of hydraulic cylinder I 69 is fixedly connected by bolt with discharge plate 68, in turn
Hydraulic cylinder I 69 is able to drive the movement of discharge plate 68, and wherein discharge plate 68 is fitted in the bottom of discharge nozzle 611, and then discharging
Baffle 68 can stop the discharge nozzle 611 of the bottom of material and fugitive dust case 61 in fugitive dust case 61 to be located at the upper of agitator tank 51
Side；
Dedusting mechanism 7 includes scraper plate 71, screw rod 72 and decelerating motor III 73, and scraper plate 71 agrees in the inside of seal closure 3, silk
The both ends of bar 72 pass through bearing respectively and are mounted on seal closure 3, and wherein screw rod 72 penetrates through scraper plate 71 and forms spiral shell with scraper plate 71
Line transmission, and then scraper plate 71 can move carry out deashing, decelerating motor along the inner wall of seal closure 3 during screw rod 72 rotates
III 73 are mounted by means of bolts on seal closure 3, and the power output end of decelerating motor III 73 is solid by shaft joint and screw rod 72
Fixed connection.
The operation principle of the present invention is that: cement is used for feed openings by seal closure 3 and is added to conveyer belt 2, at this time
Cement is fallen in agitator tank 51 under the conveying of conveyer belt 2, is then injected water in agitator tank 51 and is stirred, wherein sealing
The fugitive dust that cement is generated when falling in agitator tank 51 under the action of lid 3 will not be drifted to the external world, and negative pressure pump 62 passes through
Tracheae 63 is passed through negative pressure into fugitive dust case 61, and the fugitive dust in seal closure 3 enters in fugitive dust case 61 by sweep-up pipe 4 at this time,
Fugitive dust is fallen on dust-removal cloth-bag 65 under the action of dust-removal cloth-bag 65 at this time, wherein the decelerating motor I 53 in agitator tank 51 and is subtracted
Speed motor II 55 starts, and then drives auger 54 also to carry out rotation when rotating around support rack type shaft 52, and then to agitator tank 51
Interior cement is carried out sufficiently and is uniformly stirred, and hydraulic cylinder II 57 shrinks and then baffle 56 is driven to transport after the completion of cement mixing
Dynamic, cement is drawn off from the discharge port of 51 bottom of agitator tank at this time, and the twin shaft when recycling a large amount of cement on dust-removal cloth-bag 65
Cylinder 67 drives two side plates 64 to move back and forth, and then dust-removal cloth-bag 65 is driven to move back and forth, at this time returning on dust-removal cloth-bag 65
The cement of receipts can fall the bottom in fugitive dust case 61, wherein hush panel 66 also can be with during two side plates 64 move back and forth
It is moved synchronously with side plate 64, then hydraulic cylinder I 69 pushes discharge plate 68 to leave open slot 31, at this time discharge nozzle 611 and opening
Be in perforative state between slot 31, so the cement recycled by discharge nozzle 611 and open slot 31 fall in agitator tank 51 into
Row re-uses, and then two side plates 64 move to the end of fugitive dust case 61 and discharge plate 68 blocks discharge nozzle 611, right
Seal closure 3 keeps apart each station with external environment during cement is stirred, and then will not generate cement fugitive dust pair
The case where staff endangers, and dust-removal cloth-bag 65 can realize the effect recycled and auger 54 to cement fugitive dust
Carrying out rotation in a plurality of directions can more fully mix cement；
Present apparatus seal closure 3 during long-time service can be bonded with cement, and the rotation of decelerating motor III 73 at this time carries out
Screw rod 72 is driven to rotate, scraper plate 71 moves carry out deashing along the inner wall of seal closure 3 at this time, reaches self-cleaning effect.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of environment protection-type cement stirring device, including rack (1), conveyer belt (2), seal closure (3), sweep-up pipe (4), blender
Structure (5), fugitive dust recovering mechanism (6) and dedusting mechanism (7), the conveyer belt (2) are mounted on the top of rack (1), and feature exists
In:
The seal closure (3) is mounted on the top of rack (1) and rack (1) is surrounded closed space, the rabbling mechanism (5)
It is mounted on rack (1) and is located at the inside of seal closure (3), the fugitive dust recovering mechanism (6) includes fugitive dust case (61), negative pressure pump
(62), tracheae (63), side plate (64), dust-removal cloth-bag (65), hush panel (66), twin shaft cylinder (67), discharge plate (68) and liquid
Cylinder pressure I (69), the fugitive dust case (61) is mounted on seal closure (3) and fugitive dust case (61) passes through sweep-up pipe (4) and seal closure
(3) it is connected to, the negative pressure pump (62) is connected to by tracheae (63) with fugitive dust case (61), and two side plates (64) respectively pacify by activity
Be sequentially connected mounted in the internal two sides of fugitive dust case (61) and with twin shaft cylinder (67), the both ends of the dust-removal cloth-bag (65) respectively with
Two side plates (64) are fixedly connected, and two hush panels (66) are movably arranged on the top of fugitive dust case (61) respectively and divide
It is not fixedly connected with two side plates (64), the discharge plate (68) is movably arranged on seal closure by hydraulic cylinder I (69)
(3) on and discharge plate (68) is located at the lower section of fugitive dust case (61)；And
The dedusting mechanism (7) is located on seal closure (3).
2. a kind of environment protection-type cement stirring device according to claim 1, it is characterised in that: rabbling mechanism (5) packet
Include agitator tank (51), support rack type shaft (52), decelerating motor I (53), auger (54), decelerating motor II (55), baffle (56) and
Hydraulic cylinder II (57), the agitator tank (51) are mounted on the inside on rack (1) and being located at seal closure (3), and the support rack type turns
Axis (52) is mounted in agitator tank (51) by bearing and is connected by power with decelerating motor I (53), three augers (54) point
Not Tong Guo bearing is equal angular is mounted on support rack type shaft (52), and auger (54) respectively with decelerating motor II (55) power
Connection, the baffle (56) are hinged on the bottom of agitator tank (51), and the both ends of the hydraulic cylinder II (57) are respectively hinged at stirring
On case (51) and baffle (56).
3. a kind of environment protection-type cement stirring device according to claim 1, it is characterised in that: dedusting mechanism (7) packet
Scraper plate (71), screw rod (72) and decelerating motor III (73) are included, the scraper plate (71) is agreed in the inside of seal closure (3), the silk
The both ends of bar (72) pass through bearing respectively and are mounted on seal closure (3), and wherein screw rod (72) penetrates through scraper plate (71) and and scraper plate
(71) screw-driven is formed, the decelerating motor III (73) and screw rod (72) are sequentially connected.
4. a kind of environment protection-type cement stirring device according to claim 1, it is characterised in that: set on the seal closure (3)
Have open slot (31), the discharge plate (68) is movably arranged in open slot (31), and the bottom of the fugitive dust case (61) is equipped with
Discharge nozzle (611), the discharge plate (68) are fitted in the bottom of discharge nozzle (611).
5. a kind of environment protection-type cement stirring device according to claim 1, it is characterised in that: two side plates (64)
One end penetrates through fugitive dust case (61), and two hush panels (66) are that overlapping type is installed and realizes sealing to fugitive dust case (61).
6. a kind of environment protection-type cement stirring device according to claim 2 or 5, it is characterised in that: the agitator tank (51)
Positioned at the lower section of conveyer belt (2), the discharge nozzle (611) of the bottom of the fugitive dust case (61) is located at the top of agitator tank (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138284.3A CN109676788A (en) | 2019-02-25 | 2019-02-25 | A kind of environment protection-type cement stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910138284.3A CN109676788A (en) | 2019-02-25 | 2019-02-25 | A kind of environment protection-type cement stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109676788A true CN109676788A (en) | 2019-04-26 |
Family
ID=66196930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910138284.3A Withdrawn CN109676788A (en) | 2019-02-25 | 2019-02-25 | A kind of environment protection-type cement stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773069A (en) * | 2019-10-11 | 2020-02-11 | 李秀兰 | Tank type biological pharmaceutical powder mixer |
-
2019
- 2019-02-25 CN CN201910138284.3A patent/CN109676788A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773069A (en) * | 2019-10-11 | 2020-02-11 | 李秀兰 | Tank type biological pharmaceutical powder mixer |
| CN110773069B (en) * | 2019-10-11 | 2021-12-10 | 聊城锐利机械设备有限公司 | Tank type biological pharmaceutical powder mixer |
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Application publication date: 20190426 |
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| WW01 | Invention patent application withdrawn after publication |