CN207632152U - A kind of dust-extraction unit on cement loading siding - Google Patents
A kind of dust-extraction unit on cement loading siding Download PDFInfo
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- CN207632152U CN207632152U CN201721073240.XU CN201721073240U CN207632152U CN 207632152 U CN207632152 U CN 207632152U CN 201721073240 U CN201721073240 U CN 201721073240U CN 207632152 U CN207632152 U CN 207632152U
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Abstract
A kind of the utility model category Environmental-protecting dust-removing field, and in particular to dust-extraction unit on cement loading siding.On cement carloader, it include the trailing type dust exhaust apparatus for drawing the dust on loading siding, the trailing type dust exhaust apparatus is connected with dust pelletizing system, and on the mobile holder of carloader, holder front and back round-trip in the horizontal direction can be moved along carloader under the traction of walking dolly, the end of the trailing type dust exhaust apparatus above carloader feed opening is connected with dust collection cover.By being moved back and forth before and after trailing type dust exhaust apparatus, dust collection cover can be located at always above the feed opening of carloader, avoided the dust generated in bagged cement dropping process from escaping, greatly improved dust collection effect.In addition, the lifting gear for driving dust collection cover integral elevating is equipped on absorption plant, in the cement transporter and cement transporter to adapt to different height the case where cement high equipped with different layers.
Description
Technical field
A kind of the utility model category Environmental-protecting dust-removing field, and in particular to dust-extraction unit on cement loading siding.
Background technology
The belt loading siding in the cement producing line of device is during entrucking in China, entrucking chain-drive section slide carriage and vehicle
There is a drop height between body, cement packet, which is taken advantage of a situation, falls folded packet because collision will produce prodigious airborne dust, i.e., seriously polluted air
Environment, and injury is caused to the operating worker occupational health in entrucking post, it works in airborne dust for a long time, or even easy to produce silicon
Tuberculosis, cement plant and worker suffer untold misery.The great attention and stringent supervise and examine administered with Environmental, each manufacture of cement enterprise
Industry comes into the dust pollution regulation stage, expects that one kind in motionless original appliance arrangement, can pacify in narrow space
Fill the high-effective dust-removing device systems used.
Invention content
Technical problem to be solved in the utility model is just to provide a kind of dust-extraction unit on cement loading siding,
Dust collection cover can be mobile with carloader and move, expand range of gathering dust, improve dust-collecting efficiency, to worker provide one it is good
Good working environment.
The above-mentioned technical problem of the utility model is carried out by the following technical programs：
A kind of dust-extraction unit on cement loading siding is mounted on cement carloader, including is used to draw loading siding
On dust dust exhaust apparatus, the dust exhaust apparatus is connected with dust pelletizing system, and the dust exhaust apparatus is trailing type dust suction
Device, the trailing type dust exhaust apparatus are mounted on the mobile holder of carloader, and can edge under the traction of walking dolly
That the mobile holder of carloader is front and back in the horizontal direction to be moved back and forth, the dust pelletizing system includes dust-removing box and wind turbine,
The dust-removing box is connected to the trailing type dust exhaust apparatus, the trailing type dust exhaust apparatus being located above carloader feed opening
End be connected with dust collection cover.
Preferably, the dust-removing box includes upper box and lower box, it is arranged on the one side of the upper box
There is door, wire casing, air source distributor holder and at least one air inlet is provided in upper box, the first half of the upper box is also
It is provided with wind turbine connector and blowback gas-tpe fitting；The lower box includes stabilizer blade and lower ash bucket.
Preferably, the filter material filled inside the dust-removing box is filter cylinder
Preferably, the trailing type dust exhaust apparatus includes bellows formula dust exhaust apparatus or mobile bellows type dust suction dress
Set or move suit wind pipe type dust exhaust apparatus.
Preferably, the bellows formula dust exhaust apparatus includes vertical telescopic hose and horizontal extension hose, vertically
Bellows is connected with horizontal extension hose by hard tube elbow, and the vertical telescopic inside hose is provided with lifting gear,
The lifting gear includes steel wire rope and gag lever post, and the bottom of the steel wire rope is arranged by adjusting screw rod in dust collection cover
On, the top of steel wire rope is wound on bearing roller and controls steel wire rope by turbine hoist engine and rolled along angle steel slideway, realizes
Vertical telescopic hose moves up and down.
Preferably, the horizontal extension hose is fixed on by hose fixing support on the mobile holder of carloader,
The tail end of horizontal extension hose is connected on the air inlet of dust-removing box.
Preferably, being equipped with fixed frame on the vertical telescopic hose, fixed frame is welded with branch by welding bars
Frame, is arranged bearing roller on two tops of the holder, angle steel installation of slide track in the lower section of bearing roller, two bearings idler wheel and
Holder forms an isosceles triangle.
Preferably, several air hose bellows for being continuously arranged of the mobile bellows type dust exhaust apparatus, air hose bellows are logical
Air hose switching connection air hose elbow is crossed, connects dust collection cover after air hose elbow connection vertical telescopic hose, the vertical telescopic is soft
Pipe is internally provided with lifting gear, and the lifting gear includes steel wire rope and gag lever post, and the bottom of the steel wire rope passes through
Adjusting screw rod is arranged on dust collection cover, and the top of steel wire rope is wound on bearing roller and controls steel wire rope edge by turbine hoist engine
The rolling of angle steel slideway, realizes that moving up and down for vertical telescopic hose, the other end of the air hose bellows are connected with tension dress
It sets, tension device is connected on the air inlet of dust-removing box.
Preferably, being provided with ash releasing tube below the air hose bellows, also set up at the intermediate position of air hose bellows
There is cleaning interface.
Preferably, the mobile suit wind pipe type dust exhaust apparatus includes the mobile air hose that several are connected with each other, institute
One section of the mobile air hose stated is connected on the air inlet of dust-removing box, and the other end is connected on dust collection cover.
In conclusion the utility model compared with prior art, has advantageous effect in that：The utility model gathers dust
Cover is linked by the mobile holder of trailing type dust exhaust apparatus and carloader, in this way, dust collection cover with the back-and-forth motion of carloader phase
It should move, dust collection cover can be located at always above the feed opening of carloader, avoid the powder generated in bagged cement dropping process
Dirt escapes, and greatly improves dust collection effect.In addition, the lifting gear for driving dust collection cover integral elevating is installed on absorption plant,
In cement transporter and cement transporter to adapt to different height the case where cement high equipped with different layers.Meanwhile this practicality
It is novel small, it is convenient for in-site installation, investment cost is low, and operating cost is few.In short, the utility model can the kind operation ring of trivial solution
The labour health condition in border solves each trouble and worry using unit, generates good social benefit and certain economic benefit.
Description of the drawings
Fig. 1 is that the trailing type dust exhaust apparatus of the utility model is the overall structure diagram of bellows formula dust exhaust apparatus.
Fig. 2 is the structural schematic diagram of bellows formula dust exhaust apparatus in Fig. 1.
Fig. 3 is the overall structure diagram that the trailing type dust exhaust apparatus of the utility model is mobile bellows type dust exhaust apparatus.
Fig. 4 is the structural schematic diagram of mobile bellows type dust exhaust apparatus in Fig. 3.
Fig. 5 is the structural schematic diagram of mobile suit wind pipe type dust exhaust apparatus.
Fig. 6 is the front view of dust-removing box.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is the vertical view of Fig. 6
Fig. 9 is the part-structure schematic diagram of Fig. 2
Figure label is：1, dust-removing box, 2, wind turbine, 3, dust collection cover, 4, vertical telescopic hose, 5, horizontal extension hose,
6, steel wire rope, 7, gag lever post, 8, adjusting screw rod, 9, bearing roller, 10, turbine hoist engine, 11, angle steel slideway, 12, fixed branch
Frame, 13, mobile holder, 14, air inlet, 15, fixed frame, 16, welding bars, 17, holder, 18, air hose bellows, 19, air hose turns
Connect, 20, air hose elbow, 21, tension device, 22, ash releasing tube, 23, clean interface, 24, mobile air hose, 25, upper box, 26, under
Babinet, 27, door, 28, wire casing, 29, air source distributor holder, 30, wind turbine connector, 31, blowback gas-tpe fitting, 32, stabilizer blade,
33, lower ash bucket, 34, walking dolly, 35, cement transporter, 36, trunk, 37, conveyer belt, 38, operated pneumatic valve, 39, hard tube it is curved
Pipe, 40, muffler.
Specific implementation mode
Below by embodiment, in conjunction with attached drawing, the technical solutions of the present invention will be further described：
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, a kind of dust-extraction unit on cement loading siding,
Include the trailing type dust exhaust apparatus for drawing the dust on loading siding, trailing type dust exhaust apparatus on cement carloader
For bellows formula dust exhaust apparatus, the bellows formula dust exhaust apparatus is connected with dust pelletizing system.
The conveying that current movable type bag-pack cement loading machine in bulk generally comprises mobile holder 13, connect with mobile holder
Band 37, conveyer belt is obliquely installed, and bagged cement is loaded into the trunk 36 of cement transporter 35 by carloader by conveyer belt.
The bellows formula dust exhaust apparatus is mounted on the mobile holder of carloader, and leading in walking dolly 34
It can be in the horizontal direction moved forward and backward along the holder that moves of carloader under drawing, the dust pelletizing system includes 1 He of dust-removing box
Wind turbine 2, wind turbine are connected to by wind turbine connector 30 on dust-removing box, and wind turbine is turbofan, is connected at fan outlet
Muffler 40, the dust-removing box are connected to the bellows formula dust exhaust apparatus, are located above carloader feed opening
The end of bellows formula dust exhaust apparatus is connected with dust collection cover 3, i.e. dust collection cover can be located on the feed opening of carloader always
Side.
The filter material filled inside above-mentioned dust-removing box dust-removing box is filter cylinder, i.e., using filter drum type precipitator, dedusting
Babinet includes upper box 25 and lower box 26, and door 27 is provided on the one side of the upper box, and setting is wired in upper box
Slot 28, air source distributor holder 29, at least one air inlet 14 and reinforcing rib, the first half of the upper box are additionally provided with
Wind turbine connector 30 and blowback gas-tpe fitting 31；The wire casing is the U-type groove being converted into using steel plate, if wire casing lower part offers
Dry threading hole, threading hole require impulse- free robustness, and for the ease of disassembly and installation, the cover board of wire casing uses click on fashion.Described
Lower box includes stabilizer blade 32 and lower ash bucket 33.Stabilizer blade is made of steel plate, and sole rolls over twice side as reinforcing rib.
Above-mentioned bellows formula dust exhaust apparatus includes vertical telescopic hose 4 and horizontal extension hose 5, and the level is stretched
Contracting hose is fixed on by hose fixing support 12 on the mobile holder of carloader, and the tail end of horizontal extension hose is connected to dedusting
On the air inlet of babinet, when being provided with multiple air inlets, need to pacify on each horizontal extension hose being connected with air inlet
Operated pneumatic valve 38 is filled, when opening defined dust exhaust apparatus work, corresponding operated pneumatic valve is opened, remaining operated pneumatic valve is closed.It hangs down
Straight bellows and horizontal extension hose are connected by hard tube elbow 39.In order to adapt to the cement transporter and not of different height
With the demand of loading height, the vertical telescopic inside hose is provided with lifting gear, and lifting gear can drive dust collection cover to do
It moves up and down.The lifting gear includes steel wire rope 6 and gag lever post 7, and the bottom of the steel wire rope is set by adjusting screw rod 8
It sets on dust collection cover, fixed frame 15 is housed on the vertical telescopic hose, fixed frame is welded with branch by welding bars 16
Frame 17, bearing roller 9 is arranged on two tops of the holder, and angle steel slideway 11 is arranged in the lower section of bearing roller, two bearings
Idler wheel and holder form an isosceles triangle.The top of steel wire rope is wound on bearing roller and controls steel by turbine hoist engine 10
Cord is rolled along angle steel slideway, realizes moving up and down for vertical telescopic hose, then realizes moving up and down for dust collection cover.
Above-mentioned bearing roller and angle steel slideway army is made of steel material, the friction coefficient between steel and steel compared with
Steel will lack with plastics elastomeric material, reduce operation frictional resistance, save the output work of driving motor on cleaner
Rate, reduces Energy in use, and service life is long.
In order to which vertical telescopic hose and horizontal extension hose are being shunk with drawing process, pipeline variation can be submissive, resists
The buffer capacity of push-pull effort enhances, and is made of cloth material.
Embodiment 2：As shown in Figure 3, Figure 4, a kind of dust-extraction unit on cement loading siding, the trailing type dust suction of use
Device is mobile bellows type dust exhaust apparatus, and other structures are identical with embodiment 1.
Several air hose bellows 18 for being continuously arranged of the mobile bellows type dust exhaust apparatus, air hose bellows one end passes through wind
19 connection air hose elbow 20 of pipe switching, air hose elbow connects dust collection cover after connecting vertical telescopic hose, the air hose bellows
The other end is connected with tension device 21, and tension device is connected on the air inlet of dust-removing box, when being provided with multiple air inlets,
It needs that operated pneumatic valve 38 is installed on each horizontal extension hose being connected with air inlet.Dust exhaust apparatus work as defined in opening
When, corresponding operated pneumatic valve is opened, remaining operated pneumatic valve is closed.
In order to adapt to the cement transporter of different height and the demand of different loading heights, the vertical telescopic hose
It is internally provided with lifting gear, lifting gear can drive dust collection cover to move up and down.The lifting gear includes 6 He of steel wire rope
The bottom of gag lever post 7, the steel wire rope is arranged by adjusting screw rod 8 on dust collection cover, is filled on the vertical telescopic hose
There are fixed frame 15, fixed frame to be welded with holder 17 by welding bars 16, setting bearing rolls on two tops of the holder
Wheel 9, angle steel slideway 11 are arranged in the lower section of bearing roller, and two bearings idler wheel and holder form an isosceles triangle.Steel wire rope
Top is wound on bearing roller and controls steel wire rope by turbine hoist engine 10 and rolled along angle steel slideway, realizes that vertical telescopic is soft
Pipe moves up and down, and then realizes moving up and down for dust collection cover.
It is provided with ash releasing tube 22 below above-mentioned air hose bellows, being additionally provided with cleaning at the intermediate position of air hose bellows connects
Mouth 23.
Embodiment 3：As shown in figure 5, a kind of dust-extraction unit on cement loading siding, the trailing type dust exhaust apparatus of use
It is set with wind pipe type dust exhaust apparatus to be mobile, other structures are identical with embodiment 1.
The mobile suit wind pipe type dust exhaust apparatus includes the mobile air hose 24 that several are connected with each other, the movement
One section of air hose is connected on the air inlet of dust-removing box, and the other end is connected on dust collection cover.When being provided with multiple air inlets,
It needs that operated pneumatic valve 38 is installed on each horizontal extension hose being connected with air inlet.Dust exhaust apparatus work as defined in opening
When, corresponding operated pneumatic valve is opened, remaining operated pneumatic valve is closed.
The operation principle of the utility model is：Turbofan is switched on after work, in the vertical telescopic for being communicated to wind gathering hoods mouth
The negative pressure gas flow of nominal air delivery is set up in hose or mobile air hose, dust suction negative pressuren zone will generate during entrucking at wind gathering hoods mouth
Cement airborne dust be drawn into dust exhaust apparatus, and with negative pressure induced wind air-flow by dust laden air be sent into dust-removing box in, high-speed flow
After entering in dust-removing box, with the expansion of volume, the air velocity of dust laden air decays to filtration velocity, the powder of bulky grain
Dirt falls to the bottom of dust-removing box under the gravity of itself, the dust particles of small particle while doing Brownian movement,
Cartridge exine is drawn by the air inducing air-flow that wind turbine is formed, the dust less than 0.3 μm passes through the micropore of filtrate, continues to be admitted to whirlpool
Take turns fan outlet qualified discharge.Dust more than 0.3 μm is attracted to filtrate outer wall, due to using overlay film porous nano grade
Filtrate, micro dust, which is not worn, to be attached in filtrate micropore, filter material surface is only attracted to, with the dust for being adsorbed on filter material surface
The constantly cumulative dust particles for continuing to adsorb, dust particle diameter constantly increase, and can overcome suction when dust increases to own wt
When the effect of attached power, it is detached from the bottom that filter material surface falls to dust-removing box.As the dust for being attracted to filter cylinder outer surface is got over
Come more, filter cylinder is crossed gas ability and decreased, and when the pressure difference of deduster inlet and outlet reaches certain value, filter cylinder can be tight in deduster
It blocks again, gas penetration energy force difference, or even ability of losing the job must in order to ensure the permanently effective work of filter drum type precipitator
The dust timing for being adsorbed on filter cylinder surface must be blown down.And the filter drum type precipitator equipment of the utility model is using pulse backblowing
Method is adsorbed on the dust of filter cylinder outer surface with the dry gas stream timing of high-speed uniform, to reach filter from cartridge interior injection
Cylinder automatic ash removing, permanently effective work purpose.
The dust being deposited under dust-removing box in ash bucket, periodically by manually being recycled in fixed position cleaning, collection.
The operation principle and process of pulse backblowing control system：Using the pulse control circuit plate (control of QYM-ZC-20D types
Time faceplate rheostat processed is adjustable), clocked flip exports 24VDC level signals, and the impulse electromagnetic valve for triggering corresponding circuit is opened,
Compressed air (P=0.45~0.7Mpa) is imported into the spiral injection bar mounted in cartridge interior, 2 diameters on injection bar top
For the stomata of 5mm, the thrust of F=P (pressure values) S (always using area) is formed on the hold-down plate surface on injection bar neck,
After quickly overcoming spring supporting power, cover clamp is withstood on into filter cylinder upper surface, filter cylinder inner cavity is made to form a temporary closed container.
Simultaneously into the gas in spiral injection wing bar, the injection hole through N number of a diameter of 2mm ejects, due to the spray on injection bar
Perforation is symmetrical lateral arrangement, and air-flow drives two equidistant wing bars being assemblied on main shaft to open while ejecting
Dynamic rotation, in the short time, wing bar reaches the maximum speed that can be driven in filter cylinder inner cavity.High-speed rotating wing bar drives injection speed
Degree is that the air-flow of 70-110m/s uniformly sprays filter cylinder inner wall, and penetrates filtrate micropore, and the dust for being adsorbed on filtrate outer wall is blown down
It goes out, achievees the purpose that remove cartridge exine absorption dust automatically.Simultaneously when injection bar neck compresses lower thrust >=counteractive
When the jacking force of air pressure thrust+holddown spring, the holddown plate of cartridge top portion pushes the air stream outlet of closing filter cylinder inner cavity, isolation
The pollution that external dust is formed filter cylinder inner wall during blowback.By to filter cylinder outer surface dust periodicity deashing, making to set
Standby running resistance is stablized relatively, realizes the purpose of dust pelletizing system normal work.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of dust-extraction unit on cement loading siding is mounted on cement carloader, including is used to draw loading siding
Dust dust exhaust apparatus, the dust exhaust apparatus is connected with dust pelletizing system, which is characterized in that the dust exhaust apparatus be with
Dynamic formula dust exhaust apparatus, the trailing type dust exhaust apparatus are mounted on the mobile holder (13) of carloader, and in walking dolly
(34) it can move that holder is front and back in the horizontal direction to be moved back and forth along carloader under traction, the dust pelletizing system includes
Dust-removing box (1) and wind turbine (2), the dust-removing box are connected to the trailing type dust exhaust apparatus, are located at carloader blanking
The end of trailing type dust exhaust apparatus above mouthful is connected with dust collection cover (3).
2. a kind of dust-extraction unit on cement loading siding according to claim 1, which is characterized in that the dedusting
Babinet includes upper box (25) and lower box (26), and door (27) is provided on the one side of the upper box, is set in upper box
Wire casing (28), air source distributor holder (29) and at least one wind turbine connector (30), the first half of upper box is equipped with to also set up
There are wind turbine connector (30) and blowback gas-tpe fitting (31)；The lower box includes stabilizer blade (32) and lower ash bucket (33).
3. a kind of dust-extraction unit on cement loading siding according to claim 2, which is characterized in that the dedusting
The filter material filled inside babinet is filter cylinder.
4. a kind of dust-extraction unit on cement loading siding according to claim 1 or 2 or 3, which is characterized in that described
Trailing type dust exhaust apparatus include that bellows formula dust exhaust apparatus or mobile bellows type dust exhaust apparatus or mobile suit wind pipe type are inhaled
Dirt device.
5. a kind of dust-extraction unit on cement loading siding according to claim 4, which is characterized in that described is flexible
Hose type dust exhaust apparatus includes vertical telescopic hose (4) and horizontal extension hose (5), vertical telescopic hose and horizontal extension hose
It is connected by hard tube elbow (39), the vertical telescopic inside hose is provided with lifting gear, and the lifting gear includes
The bottom of steel wire rope (6) and gag lever post (7), the steel wire rope is arranged by adjusting screw rod (8) on dust collection cover, steel wire rope
Top is wound on bearing roller (9) and controls steel wire rope by turbine hoist engine (10) and rolled along angle steel slideway (11), realizes
Vertical telescopic hose moves up and down.
6. a kind of dust-extraction unit on cement loading siding according to claim 5, which is characterized in that the level
Bellows is fixed on by hose fixing support (12) on the mobile holder (13) of carloader, and the tail end of horizontal extension hose connects
It is connected on the air inlet (14) of dust-removing box.
7. a kind of dust-extraction unit on cement loading siding according to claim 6, which is characterized in that described is vertical
Fixed frame (15) is housed, fixed frame is welded with holder (17) by welding bars (16), the holder on bellows
Bearing roller is set on two tops, and angle steel installation of slide track forms an isosceles in the lower section of bearing roller, two bearings idler wheel and holder
Triangle.
8. a kind of dust-extraction unit on cement loading siding according to claim 4, which is characterized in that the movement
Several air hose bellows (18) for being continuously arranged of bellows type dust exhaust apparatus, it is curved that air hose bellows by air hose switching (19) connect air hose
Head (20), air hose elbow connect dust collection cover after connecting vertical telescopic hose, and the vertical telescopic inside hose is provided with lifting
Device, the lifting gear include steel wire rope (6) and gag lever post (7), and the bottom of the steel wire rope passes through adjusting screw rod (8)
It is arranged on dust collection cover, the top of steel wire rope is wound on bearing roller (9) and controls steel wire rope edge by turbine hoist engine (10)
Angle steel slideway (11) rolling, realizes moving up and down for vertical telescopic hose, the other end of the air hose bellows is connected with drawing
Tight device (21), tension device is connected on the air inlet of dust-removing box.
9. a kind of dust-extraction unit on cement loading siding according to claim 8, which is characterized in that the air hose
It is provided with ash releasing tube (22) below bellows, is additionally provided at the intermediate position of air hose bellows and cleans interface (23).
10. a kind of dust-extraction unit on cement loading siding according to claim 4, which is characterized in that the shifting
Dynamic suit wind pipe type dust exhaust apparatus includes the mobile air hose (24) that several are connected with each other, one section of connection of the mobile air hose
On the air inlet of dust-removing box, the other end is connected on dust collection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073240.XU CN207632152U (en) | 2017-08-25 | 2017-08-25 | A kind of dust-extraction unit on cement loading siding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073240.XU CN207632152U (en) | 2017-08-25 | 2017-08-25 | A kind of dust-extraction unit on cement loading siding |
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| CN207632152U true CN207632152U (en) | 2018-07-20 |
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| CN201721073240.XU Active CN207632152U (en) | 2017-08-25 | 2017-08-25 | A kind of dust-extraction unit on cement loading siding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364743A (en) * | 2017-08-25 | 2017-11-21 | 金华申宇环保设备有限公司 | A kind of dust arrester on cement loading siding |
| CN109894452A (en) * | 2019-03-29 | 2019-06-18 | 伯曼机械制造（上海）有限公司 | A kind of active trailing type dust arrester installation |
-
2017
- 2017-08-25 CN CN201721073240.XU patent/CN207632152U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364743A (en) * | 2017-08-25 | 2017-11-21 | 金华申宇环保设备有限公司 | A kind of dust arrester on cement loading siding |
| CN109894452A (en) * | 2019-03-29 | 2019-06-18 | 伯曼机械制造（上海）有限公司 | A kind of active trailing type dust arrester installation |
| CN109894452B (en) * | 2019-03-29 | 2024-06-11 | 伯曼机械制造（上海）有限公司 | Active following type dust collecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dust removal device for cement car-loading line Effective date of registration: 20191119 Granted publication date: 20180720 Pledgee: Bank of Jinhua Limited by Share Ltd science and Technology Branch Pledgor: JINHUA SHENYU ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. Registration number: Y2019330000195 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |