CN105110012A - Continuous pre-drying conveying system of material - Google Patents
Continuous pre-drying conveying system of material Download PDFInfo
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- CN105110012A CN105110012A CN201510571359.9A CN201510571359A CN105110012A CN 105110012 A CN105110012 A CN 105110012A CN 201510571359 A CN201510571359 A CN 201510571359A CN 105110012 A CN105110012 A CN 105110012A
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Abstract
The invention relates to a continuous pre-drying conveying system of materials. The continuous pre-drying conveying system of materials comprises a material suction and conveying storage system, a drying heating compressed air continuous blowing system, a feed control system, and an air suction device. Since the system uses the above technical scheme, the system is characterized in that: 1, mechanism operation replaces original manual operation, and labor amount of workers is greatly reduced; 2, automatic continuous air conveying replaces original discontinuous manual feeding, so conveying efficiency is improved; 3, the air conveying system can also remove a part of dusts in the material, so the material is cleaner, and impurity content is lower; 4, full-automatic temperature control in a stock bin and air input control ensure dryness of the material, so as to ensure stability of spinning.
Description
Technical field
The present invention relates to a kind of continuous predrying delivery system of material.
Background technology
In chemical fibre industry, clean up PET bottle sheet after rotary drum heating, drying, deliver to screw extruder and carry out melting, spinning is carried out after extruding, but when the PET bottle sheet after heating enters into next process, because distant, and because rotary drum heating is discountinuity, so front and back two procedures can not realize continuity, so pilot process has been set up in a big material bin, and material after the heating can contact with air in conveying, storing process, and moisture can increase again, so need to continue insulation in storage, reduce moisture further.It is original in addition that after rotary drum heating, we utilize manually to deliver in big material bin by material, because rotary drum position is lower than feed bin position, transported up and down so need manually to haul materials vehicle by elevator, need a large amount of manual labor amount, therefore we devise a kind of continuous predrying delivery system of material.
Summary of the invention
In order to solve above-mentioned technical matters, the object of this invention is to provide a kind of continuous predrying delivery system of material.This system greatly reduces workman's labor content, improves transport efficiency, ensure that the aridity of material, ensure that the stability of spinning.
In order to realize above-mentioned object, present invention employs following technical scheme:
A continuous predrying delivery system for material, this system comprises material suction and send memory system, dry heat air for continuous blowing system, feeding control system and device for dischanging air; Described feeding control system comprises multiple rotary drum, quantitatively feed tank and device for suction material, each rotary drum outlet below is provided with suction and send system feeding mouth, suction send system feeding mouth respectively by a Valve controlling switch control rule, inhales to send below system feeding mouth to be connected with the airduct inlet point of device for suction material by described quantitative feed tank; Described device for suction material is connected with pipeline distribution device by airduct, and the rear end of pipeline distribution device connects many airducts; Described material is inhaled and is sent memory system to comprise multiple whirlwind storage tank and the pre-hot aggregate bin of storage, and many airducts are connected to multiple whirlwind storage tank respectively, and multiple whirlwind storage tank is provided with air outlet, the device for dischanging air described in air outlet connects; Arrange below whirlwind storage tank and store pre-hot aggregate bin, the top of storing up pre-hot aggregate bin is provided with an air extractor duct, it is tilted cone mouth bottom the storehouse of storing up pre-hot aggregate bin, tilted cone mouth is connected to screw extruder below, the middle part of storing up pre-hot aggregate bin is provided with Hot air blast device, the dry heat air for continuous blowing system described in Hot air blast device connects.
As preferably, described Hot air blast device comprises annular freeing pipe and horn-like air extractor duct, described storage pre-hot aggregate bin top is a cylindrical warehouse, cylinder warehouse lower inner wall is equipped with circular slanting baffle plate, annular freeing pipe is arranged on circular slanting baffle plate lower space place, annular freeing pipe offers multiple air extractor duct downwards, annular freeing pipe stretches out warehouse outside by a vent pipe, horn-like air extractor duct is arranged on cylinder warehouse center, horn-like air extractor duct is under shed, be connected with horn-like air extractor duct by a vent pipe, dry heat air for continuous blowing system described in being connected by a valve after two vent pipes are merged into a place.
As preferably, device for suction material comprises air-suction duct, three-way pipe and device for dischanging air, the air-suction duct left side is inlet scoop, inlet scoop is provided with a valve, three-way pipe is arranged on air-suction duct, the top of three-way pipe is airduct inlet point, and airduct inlet point is provided with by-pass valve control, and described quantitative feed tank is arranged on above airduct inlet point.
As preferably, described quantitative feed tank comprises feeding bin, traversing carriage and carries storehouse frame, traversing carriage is provided with roller, and feeding bin is arranged on traversing carriage, and feeding bin is a bottom angle feed bin, discharging opening size is consistent with airduct inlet point, carrying storehouse frame is arranged in the middle of traversing carriage, carries the hinged side being arranged on traversing carriage, frame one end, storehouse, and centre is a circular frame, be enclosed within outside feeding bin, and have one to carry handle to stretch out other side.
As preferably, the left side of described pipeline distribution device is single inlet point, right side is multiple discharging opening, centre is a rotation distribution pipe, rotate on distribution pipe and be welded with a centre rotational axis, the two ends rotating distribution pipe and centre rotational axis are separately positioned on fixed support, and respectively around central rotation, rotate on distribution pipe and be fixed with a driven gear, a corresponding associated gear above driven gear, associated gear is connected with motor, motor drives associated gear, driven rotary distribution pipe rotates, stop when rotating to corresponding discharging opening, realize the conversion of multiple feed bin.
As preferably, described whirlwind storage tank comprises tank body and inclination storehouse, and inclination storehouse is arranged on tank body lower part, and inclination storehouse is provided with push-pull valve and is connected with the pre-hot aggregate bin inlet point of storage, described air outlet is arranged on tank body center.
As preferably, described device for dischanging air comprises even wind sub-cylinder, cyclone dust collector, dust removal by filtration device and roots blower, air outlet described in described even wind sub-cylinder is connected by many tracheaes, the rear end of even wind sub-cylinder connects cyclone dust collector, cyclone dust collector rear end connects dust removal by filtration device, and dust removal by filtration device rear end connects roots blower.
As preferably, described dry heat air for continuous blowing system comprise be connected successively air compressor, Air cooler, gas tank, cooling driers, oil filter device, recursive filter, even wind sub-cylinder and flow control device, the pipeline of flow control device rear end is provided with the radiator adding hot air, air pipeline after radiators heat connects Hot air blast device.
As preferably, this system also comprises steam heating system, and steam heating system comprises the steam inlet be connected successively, pressure-modulation valve group and even vapour gas-distributing cylinder, steam is evenly distributed in each radiator by even vapour gas-distributing cylinder, and each radiator is connected with drain valve group.As preferably, the pre-hot aggregate bin of described storage is provided with heat indicator, and heat indicator feeds back signal to control cock group and controls air themperature in real time.
The present invention, owing to have employed above-mentioned technical scheme, has following feature:
1. original manual operation becomes present power operation, greatly reduces workman's labor content;
2. being originally the artificial feeding of discountinuity, is that Automatic continuous wind send now, improves transport efficiency;
3. blast system can also remove a part boring in dust, make material more clean, impurity content is less;
4. the Full-automatic temperature in feed bin controls, and air inlet controls the aridity that ensure that material, ensure that the stability of spinning.
Accompanying drawing explanation
Fig. 1 is the perspective view of system of the present invention.
Fig. 2 is system architecture schematic diagram of the present invention.
Fig. 3 is that the structural representation sending memory system, device for dischanging air inhaled by material.
Fig. 4 is the structural representation of pipeline distribution device.
Fig. 5 is the structural representation of whirlwind storage tank.
Fig. 6 is the structural representation of whirlwind storage tank.
Fig. 7 is the structural representation of feeding control system.
Fig. 8, Fig. 9 are the structural representation of quantitative feed tank.
Figure 10 is the structural representation of steam heating system.
Figure 11 is the structural representation of dry heat air for continuous blowing system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
The continuous predrying delivery system of a kind of material as shown in Figure 1 and Figure 2, this system comprises material suction and send memory system 1, steam heating system 2, dry heat air for continuous blowing system 3, feeding control system 4 and device for dischanging air.As shown in Figure 7, described feeding control system 4 comprises multiple rotary drum 33, quantitatively feed tank 32 and device for suction material 31, each rotary drum outlet below is provided with suction and send system feeding mouth 5, suction send system feeding mouth 5 respectively by a Valve controlling switch control rule, can control separately any one suction inlet and carry out suction and send operation.Inhale to send below system feeding mouth 5 and be connected with the airduct inlet point 36 of device for suction material 31 by described quantitative feed tank 32.Described device for suction material 31 is connected with pipeline distribution device 6 by airduct, and the rear end of pipeline distribution device 6 connects many airducts.As shown in Figure 3, described material is inhaled and is sent memory system 1 to comprise multiple whirlwind storage tank 10 and the pre-hot aggregate bin 8 of storage, many airducts are connected to multiple whirlwind storage tank 10 respectively, and multiple whirlwind storage tank 10 is provided with air outlet 24, and air outlet 24 connects described device for dischanging air.As shown in Figure 3, device for dischanging air comprises even wind sub-cylinder 11, cyclone dust collector 12, dust removal by filtration device 13 and roots blower 14, air outlet 24 described in described even wind sub-cylinder 11 is connected by many tracheaes, the rear end of even wind sub-cylinder 11 connects cyclone dust collector 12, cyclone dust collector 12 rear end connects dust removal by filtration device 13, and dust removal by filtration device 13 rear end connects roots blower 14.As shown in Figure 2, arrange below whirlwind storage tank 10 and store pre-hot aggregate bin 8, the top of storing up pre-hot aggregate bin 8 is provided with an air extractor duct 24, it is tilted cone mouth 28 bottom the storehouse of storing up pre-hot aggregate bin 8, tilted cone mouth 28 is connected to screw extruder 7 below, the middle part of storing up pre-hot aggregate bin 8 is provided with Hot air blast device, the dry heat air for continuous blowing system 3 described in Hot air blast device connects.
As shown in Figure 8, Figure 9, described device for suction material 31 comprises air-suction duct, three-way pipe 35 and device for dischanging air, the air-suction duct left side is inlet scoop 34, inlet scoop 34 is provided with a valve, three-way pipe 35 is arranged on air-suction duct, the top of three-way pipe 35 is airduct inlet point 36, and airduct inlet point 36 is provided with by-pass valve control, and described quantitative feed tank 32 is arranged on above airduct inlet point 36.After a rotary drum heating terminates, close other valves, by suction inlet valve open below this rotary drum, quantitative feed tank 32 pushed to above device for suction material 31 inlet point, material flows out from rotary drum, falls in quantitative feed tank 32, then control material falling speed through feed tank, quantitatively carry.
Consider and can not carry out suction simultaneously and send by each suction inlet, so mouth need not be sent to establish a quantitative feed tank 32 in each suction, so this feed tank is designed to packaged type, which spout inhales to send just move to which position.As shown in Figure 8, Figure 9, described quantitative feed tank 32 comprises feeding bin 37, traversing carriage 38 and carries storehouse frame 39, traversing carriage 38 is provided with roller, feeding bin 37 is arranged on traversing carriage 38, and feeding bin 37 is a bottom angle feed bin, and discharging opening size is consistent with airduct inlet point 36, and certain planeness will be ensured, when above feeding bin is placed on inlet point, ensure good leak tightness, realizing does not leak out does not leak material.Carrying storehouse frame 39 is arranged in the middle of traversing carriage 38, and carry the hinged side being arranged on traversing carriage 38, storehouse frame 39 one end, centre is a circular frame, is enclosed within outside feeding bin, and has one to carry handle to stretch out other side.After end is sent in a suction inlet suction, artificial handle of carrying is mentioned, because framework is enclosed within feed bin outside, after proposing storehouse frame 39 inclination, because left side is a fixed hinge, so after right positions raises, integral central height just increases, so just feeding bin 37 is raised up, realization is separated with spout, then will carry storehouse frame 39 to block, whole weigh feeder migration another one suction inlet can be promoted with that, after moving on to another one suction inlet, add again and carry storehouse frame 39 and put down, feeding bin 37 is allowed to sink, contact until bin bottom seals with airduct inlet point.Because fan delivery is fixed, can valve opening be increased in time only having an inlet scoop to carry out inhaling and send, increase intake, strengthen inlet amount simultaneously, realize quick suction like this.If two even more suction inlets are inhaled and sent simultaneously, then appropriate comparatively minor valve aperture, less intake and feeding capacity, transport while realizing multiple rotary drum blanking.
Inhale the material after sending because multiple different feed bin will be entered, so a pipeline distribution device 6 need be set up in the middle of airduct, as shown in Figure 4, the left side of pipeline distribution device 6 is single inlet point 15, right side is multiple discharging openings 18, centre is a rotation distribution pipe 17, rotate on distribution pipe 17 and be welded with a centre rotational axis 20, the two ends rotating distribution pipe 17 and centre rotational axis 20 are separately positioned on fixed support, and respectively around central rotation, rotate on distribution pipe 17 and be fixed with a driven gear, a corresponding associated gear 16 above driven gear, associated gear 16 is connected with motor, motor drives associated gear 16, driven rotary distribution pipe 17 rotates, stop when rotating to corresponding discharging opening 18, realize the conversion of multiple feed bin.
Before entering big material bin, also need together except wind operation, so add a whirlwind storage tank 10 on pre-hot aggregate bin 3 top of storage, as shown in Figure 5, whirlwind storage tank 10 comprises tank body and inclination storehouse 22, inclination storehouse 22 is arranged on tank body lower part, and inclination storehouse 22 is provided with push-pull valve 23 and is connected with pre-hot aggregate bin 8 inlet point of storage, described air outlet 24 is arranged on tank body center.Material and wind enter in whirlwind storage tank 10 from feeding mouth, transport for rotating after wind enters tank, because this tank bottom is inclination storehouse 22, and tank volume increases, speed can be very low in tank for wind and material, in the process gradually sunk, because material ratio is heavy heavier comparatively speaking, material and wind will be separated, because wind speed reduces, material under gravity can the slowly down landing along dip plane, and wind is because also have certain speed, can toward central rotation under tilting action, and air outlet 24 is just arranged on tank body center, such wind has just been gone out from top backwind tube, achieve material gas to be separated.Consider that a rotary drum can fill the weight of material in addition, when our design, the volume of this batch can is greater than rotary drum volume, after the material in a rotary drum has sent, suspends blast system, then open the push-pull valve 23 of tank bottom, will the pre-hot aggregate bin 8 of storage put into below be expected.
As shown in Figure 6, described Hot air blast device comprises annular freeing pipe 27 and horn-like air extractor duct 30, described storage pre-hot aggregate bin 8 top is a cylindrical warehouse, cylinder warehouse lower inner wall is equipped with circular slanting baffle plate 26, annular freeing pipe 27 is arranged on circular slanting baffle plate 26 lower space place, annular freeing pipe 27 offers multiple air extractor duct downwards, annular freeing pipe 27 stretches out warehouse outside by a vent pipe, horn-like air extractor duct 30 is arranged on cylinder warehouse center, horn-like air extractor duct 30 is under shed, be connected with horn-like air extractor duct 30 by a vent pipe, described dry heat air for continuous blowing system 3 is connected by a valve 29 after two vent pipes are merged into a place.When material is stored in feed bin, because feed bin inside has below horn-like air extractor duct 30 He below annular swash plate 26 have larger space, when opening hot gas valve, hot gas can from these air extractor ducts out, flow between the material piled up, play the effect of heating and drying, because opened an air extractor duct above, air flow line walks from the bottom up.
As shown in figure 11, dry heat air for continuous blowing system 3 comprise be connected successively air compressor 46, Air cooler 47, gas tank 48, cooling driers 49, oil filter device 50, recursive filter 51, even wind sub-cylinder 52 and flow control device 53, the pipeline of flow control device 53 rear end is provided with the radiator 44 adding hot air, air pipeline after radiator 44 heats connects Hot air blast device.As shown in Figure 10, steam heating system 2 comprises the steam inlet 40 be connected successively, pressure-modulation valve group 41 and even vapour gas-distributing cylinder 42, and steam is evenly distributed in each radiator 44 by even vapour gas-distributing cylinder 42, and each radiator 44 is connected with drain valve group 45.And the pre-hot aggregate bin 8 of storage is provided with heat indicator 43, heat indicator 43 feeds back signal to control cock group 41 and controls air themperature in real time.
Air compressor 46 in Figure 11 is because air humidity is after compression larger, temperature is higher, containing more dust, wet goods impurity, so all need to remove, air is out introduced in cooling blower 47 and carries out cooling processing, enter into large storage tank 48 again, because volume is larger, gas does not almost have flowing power inside, moisture can slowly sink under gravity, play preliminary effect of removing moisture, and the effect of steady air flow can be played, then a thick oil-filtering apparatus 50 is entered into, remove a part of bulky grain oils magazine, then a cooling driers 49 is entered into, the moisture that air is heavy is thoroughly removed, then two thin oil-filtering apparatus are being entered into, thorough filtering oils magazine, then enter in circulation self-cleaning filter 51, by remaining Impurity removal, then evenly separate tracheae of following in each big material bin through an even wind sub-cylinder 52 through sub-cylinder more, every root tracheae installs a flow counter 53, feed back signal to by-pass valve control, control air force, then a radiator is entered into, in radiator, utilize the heat of steam by air heating, reach design temperature, finally be blown into inside feed bin, be incubated to heating material, dehumidifying.As shown in Figure 10, steam picks out from total pipeline, enter steam heating system, through one group of pressure-modulation valve group 41, enter into an even vapour gas-distributing cylinder 42 again, steam is evenly distributed in each radiator 44, in radiator, heat transfer is become cooling water expansion tank to after air, by drain valve group 45, water is being discharged.Utilize the heat indicator 43 on feed bin to feed back signal to control cock group 41 in figure and control air themperature in real time, ensure the stability of feed bin temperature.
Claims (10)
1. a continuous predrying delivery system for material, is characterized in that this system comprises material suction and send memory system (1), dry heat air for continuous blowing system (3), feeding control system (4) and device for dischanging air; Described feeding control system (4) comprises multiple rotary drum (33), quantitatively feed tank (32) and device for suction material (31), each rotary drum outlet below is provided with suction and send system feeding mouth (5), suction send system feeding mouth (5) respectively by a Valve controlling switch control rule, inhales and send system feeding mouth (5) below to be connected with the airduct inlet point (36) of device for suction material (31) by described quantitative feed tank (32); Described device for suction material (31) is connected with pipeline distribution device (6) by airduct, and the rear end of pipeline distribution device (6) connects many airducts; Described material is inhaled and is sent memory system (1) to comprise multiple whirlwind storage tank (10) and the pre-hot aggregate bin of storage (8), many airducts are connected to multiple whirlwind storage tank (10) respectively, multiple whirlwind storage tank (10) is provided with air outlet (24), the device for dischanging air described in air outlet (24) connects; Whirlwind storage tank (10) below arranges and stores pre-hot aggregate bin (8), the top of storing up pre-hot aggregate bin (8) is provided with an air extractor duct (24), it is tilted cone mouth (28) bottom the storehouse of storing up pre-hot aggregate bin (8), tilted cone mouth (28) is connected to screw extruder (7) below, the middle part of storing up pre-hot aggregate bin (8) is provided with Hot air blast device, the dry heat air for continuous blowing system (3) described in Hot air blast device connects.
2. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: described Hot air blast device comprises annular freeing pipe (27) and horn-like air extractor duct (30), the pre-hot aggregate bin of described storage (8) top is a cylindrical warehouse, cylinder warehouse lower inner wall is equipped with circular slanting baffle plate (26), annular freeing pipe (27) is arranged on circular slanting baffle plate (26) lower space place, annular freeing pipe (27) offers multiple air extractor duct downwards, annular freeing pipe (27) stretches out warehouse outside by a vent pipe, horn-like air extractor duct (30) is arranged on cylinder warehouse center, horn-like air extractor duct (30) is under shed, be connected with horn-like air extractor duct (30) by a vent pipe, dry heat air for continuous blowing system (3) described in being connected by a valve (29) after two vent pipes are merged into a place.
3. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: device for suction material (31) comprises air-suction duct, three-way pipe (35) and device for dischanging air, the air-suction duct left side is inlet scoop (34), inlet scoop (34) is provided with a valve, three-way pipe (35) is arranged on air-suction duct, the top of three-way pipe (35) is airduct inlet point (36), (36) are provided with by-pass valve control to airduct inlet point, and described quantitative feed tank (32) is arranged on airduct inlet point (36) top.
4. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: quantitatively feed tank (32) comprises feeding bin (37), traversing carriage (38) and carry storehouse frame (39), (38) are provided with roller to traversing carriage, feeding bin (37) is arranged on traversing carriage (38), feeding bin (37) is a bottom angle feed bin, discharging opening size is consistent with airduct inlet point (36), carrying storehouse frame (39) is arranged in the middle of traversing carriage (38), carry the hinged side being arranged on traversing carriage (38), storehouse frame (39) one end, centre is a circular frame, be enclosed within outside feeding bin, and have one to carry handle to stretch out other side.
5. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: the left side of pipeline distribution device (6) is single inlet point (15), right side is multiple discharging opening (18), centre is a rotation distribution pipe (17), rotate on distribution pipe (17) and be welded with a centre rotational axis (20), the two ends rotating distribution pipe (17) and centre rotational axis (20) are separately positioned on fixed support, and respectively around central rotation, rotate on distribution pipe (17) and be fixed with a driven gear, a corresponding associated gear (16) above driven gear, associated gear (16) is connected with motor, motor drives associated gear (16), driven rotary distribution pipe (17) rotates, stop when rotating to corresponding discharging opening (18), realize the conversion of multiple feed bin.
6. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: whirlwind storage tank (10) comprises tank body and inclination storehouse (22), inclination storehouse (22) is arranged on tank body lower part, inclination storehouse (22) is provided with push-pull valve (23) to be connected with storage pre-hot aggregate bin (8) inlet point, described air outlet (24) is arranged on tank body center.
7. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: device for dischanging air comprises even wind sub-cylinder (11), cyclone dust collector (12), dust removal by filtration device (13) and roots blower (14), air outlet (24) described in described even wind sub-cylinder (11) is connected by many tracheaes, the rear end of even wind sub-cylinder (11) connects cyclone dust collector (12), cyclone dust collector (12) rear end connects dust removal by filtration device (13), and dust removal by filtration device (13) rear end connects roots blower (14).
8. the continuous predrying delivery system of a kind of material according to claim 1, it is characterized in that: dry heat air for continuous blowing system (3) comprises the air compressor (46), Air cooler (47), gas tank (48), cooling driers (49), oil filter device (50), recursive filter (51), even wind sub-cylinder (52) and the flow control device (53) that are connected successively, the pipeline of flow control device (53) rear end is provided with the radiator (44) adding hot air, air pipeline after radiator (44) heating connects Hot air blast device.
9. the continuous predrying delivery system of a kind of material according to claim 8, it is characterized in that: this system also comprises steam heating system (2), steam heating system (2) comprises the steam inlet (40) be connected successively, pressure-modulation valve group (41) and even vapour gas-distributing cylinder (42), steam is evenly distributed in each radiator (44) by even vapour gas-distributing cylinder (42), and each radiator (44) is connected with drain valve group (45).
10. the continuous predrying delivery system of a kind of material according to claim 9, is characterized in that: store up pre-hot aggregate bin (8) and be provided with heat indicator (43), heat indicator (43) feeds back signal to control cock group (41) and controls air themperature in real time.
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| CN111578675A (en) * | 2020-05-06 | 2020-08-25 | 安徽科林新材料科技有限公司 | Drying device for shaving board production and processing |
| CN113716348A (en) * | 2021-09-30 | 2021-11-30 | 湖南皇爷食品有限公司 | Pneumatic conveying system for continuously conveying betel nuts and having automatic cleaning function |
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| CN107283056A (en) * | 2017-07-31 | 2017-10-24 | 盐城天尔机械有限公司 | The special cooling driers of laser cutting machine |
| CN107283056B (en) * | 2017-07-31 | 2020-04-07 | 盐城天尔机械有限公司 | Special cold drying machine for laser cutting machine |
| CN108454367A (en) * | 2017-12-28 | 2018-08-28 | 江苏海德森能源有限公司 | A kind of electric automobile lithium battery with moisture-proof function |
| CN108454367B (en) * | 2017-12-28 | 2021-02-19 | 江苏欧力特能源科技有限公司 | Electric automobile lithium cell with dampproofing function |
| CN111578675A (en) * | 2020-05-06 | 2020-08-25 | 安徽科林新材料科技有限公司 | Drying device for shaving board production and processing |
| CN113716348A (en) * | 2021-09-30 | 2021-11-30 | 湖南皇爷食品有限公司 | Pneumatic conveying system for continuously conveying betel nuts and having automatic cleaning function |
| CN113716348B (en) * | 2021-09-30 | 2023-04-07 | 湖南皇爷食品有限公司 | Pneumatic conveying system for continuously conveying betel nuts and having automatic cleaning function |
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| CN105110012B (en) | 2019-10-11 |
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Effective date of registration: 20201126 Address after: No.8 Xingyao Road, Binhai New Town, Yuyao Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Yuyao Dafa Chemical Fiber Co.,Ltd. Address before: 315336 No. two, No. 266 Binhai Road, Hangzhou Bay Development Zone, Zhejiang, Hangzhou Patentee before: NINGBO DAFA CHEMICAL FIBER Co.,Ltd. |