CN110104439A - A kind of powder negative pressure feeder - Google Patents
A kind of powder negative pressure feeder Download PDFInfo
- Publication number
- CN110104439A CN110104439A CN201910481551.7A CN201910481551A CN110104439A CN 110104439 A CN110104439 A CN 110104439A CN 201910481551 A CN201910481551 A CN 201910481551A CN 110104439 A CN110104439 A CN 110104439A
- Authority
- CN
- China
- Prior art keywords
- tank body
- negative pressure
- valve
- lower tank
- upper tank
- 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- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/46—Gates or sluices, e.g. rotary wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/40—Feeding or discharging devices
- B65G53/50—Pneumatic devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/181—Preventing escape of dust by means of sealed systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
Abstract
The invention discloses a kind of powder negative pressure feeders, including vacuum evacuation device, feeding tank body, baiting valve and feed bin, filter device is provided in material feeding jar body, feeding tank body is separated into upper tank body and lower tank by filter device, feed bin inside conveyance conduit and lower tank by being connected, upper tank body is connected by pipeline with vacuum evacuation device, baiting valve is provided at the port of lower tank, structure of the invention is reasonable, it is easy to use, pass through feed bin, the combination of feeding tank body and vacuum evacuation device, powder is realized in conveying hermetically sealed over long distances, it solves the problems, such as fugitive dust in transmission process and does not destroy material characteristic conveying.
Description
Technical field
The present invention relates to powder conveying technical fields, and in particular to a kind of powder negative pressure feeder.
Background technique
The existing powder conveying equipment in market is mostly open type and hardness conveying, and such method can not solve fugitive dust, low noise
Sound and the problem of do not destroy material characteristic conveying, and existing equipment can not be high in the remote vertical height of the great horizontal distance of material ratio
In the case where, satisfaction plays production capacity conveying, while existing equipment consumes a large amount of electric energy, and scene needs regularly to be repaired, make
At the wasting of resources, increases operating cost, cause the pollution and waste of product.
Summary of the invention
It is easy to use the technical problem to be solved in the present invention is to provide a kind of structurally reasonable, can effectively solve the problem that over long distances,
The powder negative pressure feeder of low noise and hermetically sealed conveying powder problem.
To realize above-mentioned target, the technical solution of the present invention is as follows: a kind of powder negative pressure feeder, it is characterised in that: including
Vacuum evacuation device, feeding tank body, baiting valve and feed bin, are provided with filter device in material feeding jar body, and filter device is by feeding tank body
It is separated into upper tank body and lower tank, for feed bin by being connected inside conveyance conduit and lower tank, upper tank body is by pipeline and takes out true
Empty device is connected, and is provided with baiting valve at the port of lower tank.
Further, vacuum evacuation device includes blower and dust filter unit, and the import of dust filter unit is connected with pipeline,
The outlet of dust filter unit is connected with the air inlet of blower.
Further, filter device includes connecting plate and filter stick, and feeding tank body is separated into upper tank body under by connecting plate
Tank body, the air outlet of filter stick are set on the connecting plate inside upper tank body.
Further, the blowback system for purging filter stick is provided on upper tank body.
Further, blowback system includes gas collection packet, and gas collection, which is wrapped, is equipped with pressure reducing valve and solenoid valve, electromagnetism
Valve is connected cylinder with by air supply duct with the inside of upper tank body.
Further, partition is provided in upper tank body, partition one end is connected with connecting plate, the other end and top of the tank phase
Connection, is divided into left and right two chambers for upper tank body, left and right chamber is connected with pipeline by connecting tube, is set respectively in connecting tube
It is equipped with valve, at least there are two solenoid valve, the air supply duct on solenoid valve is connected with left and right chamber respectively for setting on blowback system
It is logical.
Further, at least two tuning fork level-sensing devices are from top to bottom disposed on lower tank, lower tank port is successively
Two baiting valves are set, and the baiting valve of bottommost is variable-frequency electric magnet valve, the blowing being arranged on the lower tank on variable-frequency electric magnet valve top
Valve is auxiliary baiting valve.
Further, upper tank body and lower tank are to be detachably connected, and upper tank body is connected with lower tank by quick-mounting device,
Quick-mounting device includes hinged seat, is connected with hinged shaft on hinged seat and can be fixed on around the shaft that pin shaft axially rotates, hinged seat
It is provided with screw thread on lower tank, in shaft and with the nut that is threadedly engaged, is provided with sliding in the shaft between nut and pin shaft
, the gib head matched with upper tank body upper groove is provided on sliding seat.
Further, annular groove is provided at the port of lower tank upper end, connecting plate button is arranged in annular groove, under
The lower end port of tank body is located in by quick-mounting device at the port of the upper end of upper tank body.
Further, the end that delivery pipe is connect with feed bin is provided with anti-block apparatus, and anti-block apparatus includes left end pipe and the right side
End pipe, left and right end pipe are connected with conveying pipeline, and outer ring is equipped with outside the end of right end pipe, air inlet, left end are provided on outer ring
The outer ring surface of pipe is provided with external screw thread, and the inner surface of the outer ring of right end pipe is set to the internal screw thread matched with external screw thread,
The nozzle of left and right end pipe is gap docking, and gap is from feed bin to the inclined oblique gap in material feeding jar body direction, the outer ring of left end pipe
Baffle ring engaged therewith is provided on the external screw thread of shape surface setting.
Compared with prior art, the invention has the following advantages that
It is easy to use 1. structurally reasonable, by the combination of feed bin, feeding tank body and vacuum evacuation device, realize powder it is long away from
From hermetically sealed conveying, solves the problems, such as fugitive dust in transmission process and do not destroy material characteristic conveying.
2. the normal operation of vacuum evacuation device can effectively ensure that by setting filter device and dust filter unit,
And extend the service life of blower.
3. can be effective guarantee the normal use of filter device by setting back-blowing device, and realizing can blowback and simultaneously
The function of feeding.
4. can accurately grasp material feeding jar by tuning fork level-sensing device, variable-frequency electric magnet valve and the mutual cooperation for assisting baiting valve
Internal powder number, and realize blowing and feeding function simultaneously.
5. powder can be enable in delivery pipe when burst accident stop device is restarted conveyance conduit adds anti-block apparatus
It is quickly flowed in road, solves the problems, such as that blocking can not convey.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial enlarged view A of Fig. 1；
Fig. 3 is the structural schematic diagram of anti-block apparatus；
Drawing explanation: 1, feeding tank body, 2, feed bin, 3, upper tank body, 4, lower tank, 5, conveyance conduit, 6, pipeline, 7, blower, 8,
Dust filter unit, 9, connecting plate, 10 filter sticks, 11, gas collection packet, 12, pressure reducing valve, 13, solenoid valve, 14, air supply duct,
15, partition, 16, connecting tube, 17, valve, 18 tuning fork level-sensing devices, 19, variable-frequency electric magnet valve, 20, auxiliary baiting valve, 21, fast-assembling dress
It sets, 22, hinged seat, 23, hinged shaft, 24, shaft, 25, nut, 26, gib head, 27, annular groove, 28, anti-block apparatus, 29, left end
Pipe, 30, right end pipe, 31 outer rings, 32, air inlet, 33, gap, 34 baffle rings, 35, groove.
Specific embodiment
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In conjunction with attached drawing, the technical schemes of the invention are described in detail, a kind of powder negative pressure feeder, including vacuum evacuation device, on
Batch can body 1, baiting valve and feed bin 2 are provided with filter device in material feeding jar body, and feeding tank body is separated into upper tank body by filter device
3 and lower tank 4, for feed bin by being connected inside conveyance conduit 5 and lower tank, upper tank body passes through pipeline 6 and vacuum evacuation device phase
It connects, is provided with baiting valve at the port of lower tank, during powder material conveying, vacuum evacuation device starting, vacuum means
It sets the intracorporal evacuating air of material feeding jar through pipeline, formation negative pressure in tank body is made to make the powder in feed bin under the action of negative pressure
Body is sucked powder by conveyance conduit in the blanking tank of feeding tank body, realizes powder in conveying hermetically sealed over long distances, solution
It has determined in transmission process fugitive dust and the problem of do not destroy material characteristic conveying, when needing using powder material, has closed vacuum means
It sets, the powder after transport can be used by opening baiting valve, when vacuumizing, be taken out to prevent the powder of feeding tank body from sucking
Vacuum plant causes equipment fault, therefore filter device is arranged in material feeding jar body, feeding tank body is separated into upper tank body and lower tank
Body, when vacuumizing, powder is trapped on filter device by air and powder in lower tank by the filtering of filter device, air
It is extracted out after upper tank body eventually by vacuum evacuation device, specific vacuum evacuation device includes blower 7 and dust filter unit 8, dust
The import of filter is connected with pipeline, and the outlet of dust filter unit is connected with the air inlet of blower, and blower realization vacuumizes
Function, the dust filter unit of second is added between blower and feeding tank body, can effectively be filtered again from filter device mistake
The powder that the air of filtration may not filter out extends the service life of blower.
Filter device includes connecting plate 9 and filter stick 10, and feeding tank body is separated into upper tank body and lower tank, mistake by connecting plate
The air outlet of filter stick is set on the connecting plate inside upper tank body, and when vacuumizing, powder and air are by after filter stick, mistake
Filter stick retains powder, and filtered air is passed through in upper tank body, realizes the filtering of filter device, when the mistake on filter device
Filter stick filters after a certain period of time, and powder can block the filter core on filter stick, therefore is provided on upper tank body for purging filtering
The blowback system of stick effectively can brush the dust on filter core by brushing for blowback system, ensure that the normal work of filter device
While work, the service life of filter stick is extended, specific blowback system includes gas collection packet 11, and gas collection wraps peace
Equipped with pressure reducing valve 12 and solenoid valve 13, solenoid valve is connected cylinder with by air supply duct 14 with the inside of upper tank body, gas when use
Collection gas bag is connected by pressure reducing valve with air compressor machine, and the air in air compressor machine enters storage in gas collection packet by pressure reducing valve,
When needing blowback, solenoid valve is opened, and the air in gas collection packet carries out blowback to filter stick.
When blowback, vacuum evacuation device can not work on, and can not continue feeding at this time, influence the working efficiency of conveying,
For realize can blowback and feeding simultaneously, partition 15 is provided in upper tank body, partition one end is connected with connecting plate, the other end and
Top of the tank is connected, and upper tank body is divided into left and right two chambers, and left and right chamber is connected by connecting tube 16 with pipeline, even
It is respectively arranged with valve 17 on adapter tube, minimum air supply duct difference of the setting there are two solenoid valve, on solenoid valve on blowback system
It is connected with left and right chamber, in the feeding process, opens the valve of any one chamber, close the valve of another chamber, valve
The chamber of unlatching can constantly be vacuumized by vacuum evacuation device, realize the conveying of powder, while being opened collection gas bag and being in valve
The solenoid valve that the chamber of closed state is connected, purges filter stick, realizes in purge while powder also can
Continuously.
At least two tuning fork level-sensing devices 18 are from top to bottom disposed on lower tank, lower tank port sets gradually two
Baiting valve, the baiting valve of bottommost are variable-frequency electric magnet valve 19, supplemented by the baiting valve being arranged on the lower tank on variable-frequency electric magnet valve top
Help baiting valve 20, on lower tank be arranged tuning fork level-sensing device, can monitor in real time the powder in lower tank number, when powder is more
When, auxiliary baiting valve and variable-frequency electric magnet valve can be opened simultaneously, adjusted by variable-frequency electric magnet valve blowing number, when internal
When powder is less, vacuum evacuation device is in running order, and when needing blowing simultaneously, air can be because suction function be successively from frequency conversion
Solenoid valve and auxiliary baiting valve enter in lower tank, influence the efficiency vacuumized, at this time in order to guarantee the efficiency vacuumized simultaneously,
Also can simultaneously blowing, at this time can will auxiliary baiting valve close, variable-frequency electric magnet valve open, rest on variable-frequency electric magnet valve and auxiliary blowing
Powder between valve will continue to release, while also ensure the vacuum state in lower tank.
In order to facilitate the installation of replacement filter stick and complete machine, upper tank body and lower tank are to be detachably connected, and upper tank body is under
Tank body is connected by quick-mounting device 21, and quick-mounting device includes hinged seat 22, is connected with hinged shaft 23 on hinged seat and can be around pin
The shaft 24 that axis axially rotates, hinged seat is fixed on lower tank, be provided in shaft screw thread and with the nut 25 that is threadedly engaged,
Sliding seat is provided in shaft between nut and pin shaft, sliding seat can prolong the movement of shaft axial direction, be provided on sliding seat
The gib head 26 matched with upper tank body upper groove 35, quick-mounting device ring is located on feeding tank body, when upper tank body and lower tank button
After conjunction, shaft is rotated to plumbness, sliding seat falls, and matches the gib head of sliding seat with upper tank body upper groove, then
It is compressed with nut, realizes the installation of upper and lower tank body, annular groove 27, connecting plate button are provided at the port of lower tank upper end
It is arranged in annular groove, the lower end port of lower tank is located in by quick-mounting device at the port of the upper end of upper tank body, convenient
The movable disassembly of filter device.
During transportation because unexpected shutdown situation occurs for situations such as powering off, vacuum evacuation device is shut down at this time, can make material
In conveyance conduit formed blocking, when being again started up, powder because vacuumizing, between polymerization can it is even closer, because blocking nothing
Method continues to vacuumize, therefore the end that delivery pipe is connect with feed bin is provided with anti-block apparatus 28, and anti-block apparatus includes left end pipe 29
It can be connected respectively by fast joint with conveyance conduit with the end of right end pipe 30, left and right end pipe, the end outer ring of right end pipe is set
Have outer ring 31, be provided with air inlet 32 on outer ring, the outer ring surface of left end pipe is provided with external screw thread, the outer ring of right end pipe it is interior
Surface is set to the internal screw thread matched with external screw thread, and the nozzle of left and right end pipe is gap docking, and gap 33 is upward by feed bin
The inclined oblique gap in batch can body direction, left end pipe outer ring surface setting external screw thread on be provided with baffle ring engaged therewith
34, when in use, air inlet is connected with air compressor machine, air when being again started up vacuum evacuation device progress conveying, in air compressor machine
The air inlet and gap passed sequentially through on outer ring is eventually entered into conveyance conduit, because there is gas entrance between powder, between
It can become loose, so that powder is quickly flowed in conveyance conduit, to solve the problems, such as that blocking can not convey, gap is served as reasons
Feed bin is to the inclined oblique gap in material feeding jar body direction, by the way that the direction in gap is arranged, effectively can quickly brush and drive powder to
The flowing of feeding tank body direction improves the efficiency of dredging, while because to be threadedly coupled, therefore the outer ring on right end pipe is managed with left end
It is adjusted by the thread the distance between left and right end pipe opposed end, so as to effectively adjust the size in gap, the outer ring of left end pipe
Baffle ring engaged therewith is provided on the external screw thread of shape surface setting, the smallest numerical value of energy effective position and setting gap is prevented
Only left and right end pipe opposed end is all bonded and gapless.
Basic principle of the invention, main feature and advantage has been shown and described above, do not depart from spirit of that invention and
Under the premise of range, there are also various changes and modifications, these changes and improvements to both fall within claimed invention by the present invention
Range.
Claims (10)
1. a kind of powder negative pressure feeder, it is characterised in that: including vacuum evacuation device, feeding tank body, baiting valve and feed bin, feeding
Filter device is provided in tank body, feeding tank body is separated into upper tank body and lower tank by filter device, and feed bin passes through conveyance conduit
It is connected with inside lower tank, upper tank body is connected by pipeline with vacuum evacuation device, is provided with blowing at the port of lower tank
Valve.
2. a kind of powder negative pressure feeder according to claim 1, it is characterised in that: vacuum evacuation device includes blower and dust mistake
The import of filter, dust filter unit is connected with pipeline, and the outlet of dust filter unit is connected with the air inlet of blower.
3. a kind of powder negative pressure feeder according to claim 1, it is characterised in that: filter device includes connecting plate and filtering
Feeding tank body is separated into upper tank body and lower tank by stick, connecting plate, and the air outlet of filter stick is set to the connection inside upper tank body
On plate.
4. a kind of powder negative pressure feeder according to claim 3, it is characterised in that: be provided on upper tank body for purging filtering
The blowback system of stick.
5. a kind of powder negative pressure feeder according to claim 4, it is characterised in that: blowback system includes gas collection packet, gas
Body gas collection, which is wrapped, is equipped with pressure reducing valve and solenoid valve, and solenoid valve is connected cylinder with by air supply duct with the inside of upper tank body.
6. a kind of powder negative pressure feeder according to claim 5, it is characterised in that: be provided with partition, partition one in upper tank body
End is connected with connecting plate, and the other end is connected with top of the tank, upper tank body is divided into left and right two chambers, left and right chamber is logical
It crosses connecting tube to be connected with pipeline, valve is respectively arranged in connecting tube, be at least arranged on blowback system there are two solenoid valve, it is electric
Air supply duct on magnet valve is connected with left and right chamber respectively.
7. a kind of powder negative pressure feeder according to claim 1, it is characterised in that: be from top to bottom disposed on lower tank
At least two tuning fork level-sensing devices, lower tank port set gradually two baiting valves, and the baiting valve of bottommost is variable-frequency electric magnet valve, become
The baiting valve being arranged on the lower tank on frequency solenoid valve top is auxiliary baiting valve.
8. a kind of powder negative pressure feeder according to claim 1, it is characterised in that: upper tank body and lower tank are detachably to connect
It connects, upper tank body is connected with lower tank by quick-mounting device, and quick-mounting device includes hinged seat, is connected simultaneously with hinged shaft on hinged seat
Can be fixed on lower tank around the shaft that pin shaft axially rotates, hinged seat, be provided in shaft screw thread and with the spiral shell that is threadedly engaged
Mother is provided with sliding seat in the shaft between nut and pin shaft, the hook matched with upper tank body upper groove is provided on sliding seat
Head.
9. a kind of powder negative pressure feeder according to claim 3, it is characterised in that: be provided at the port of lower tank upper end
Annular groove, connecting plate button are arranged in annular groove, and the lower end port of lower tank be located in the upper of upper tank body by quick-mounting device
At the port of end.
10. a kind of powder negative pressure feeder according to claim 1, it is characterised in that: the end that delivery pipe is connect with feed bin is set
It is equipped with anti-block apparatus, anti-block apparatus includes that left end pipe and right end pipe, left and right end pipe are connected with conveying pipeline, the end of right end pipe
It is equipped with outer ring outside, air inlet is provided on outer ring, the outer ring surface of left end pipe is provided with external screw thread, the outer ring of right end pipe
Inner surface is set to the internal screw thread matched with external screw thread, and the nozzle of left and right end pipe is gap docking, and gap is upward by feed bin
The inclined oblique gap in batch can body direction, left end pipe outer ring surface setting external screw thread on be provided with baffle ring engaged therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481551.7A CN110104439A (en) | 2019-06-04 | 2019-06-04 | A kind of powder negative pressure feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910481551.7A CN110104439A (en) | 2019-06-04 | 2019-06-04 | A kind of powder negative pressure feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110104439A true CN110104439A (en) | 2019-08-09 |
Family
ID=67493758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910481551.7A Withdrawn CN110104439A (en) | 2019-06-04 | 2019-06-04 | A kind of powder negative pressure feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110104439A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654899A (en) * | 2019-09-05 | 2020-01-07 | 江阴市高达输送机械科技有限公司 | Vacuum closed feeder and dust-free feeding method |
| CN111678333A (en) * | 2020-04-27 | 2020-09-18 | 江苏搏斯威化工设备工程有限公司 | Feeder of vacuum drier |
| CN112106924A (en) * | 2020-09-10 | 2020-12-22 | 祁东县林燕食品有限公司 | Extrusion moulding equipment is used in rice noodle production |
| CN112173724A (en) * | 2020-09-17 | 2021-01-05 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
| CN112917863A (en) * | 2020-12-30 | 2021-06-08 | 湖北永晟塑料管业有限责任公司 | Novel pipeline production equipment |
| CN112959741A (en) * | 2021-03-04 | 2021-06-15 | 涡阳县利达塑料包装制品有限公司 | Reliable and stable plastic woven bag conveying device |
-
2019
- 2019-06-04 CN CN201910481551.7A patent/CN110104439A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654899A (en) * | 2019-09-05 | 2020-01-07 | 江阴市高达输送机械科技有限公司 | Vacuum closed feeder and dust-free feeding method |
| CN111678333A (en) * | 2020-04-27 | 2020-09-18 | 江苏搏斯威化工设备工程有限公司 | Feeder of vacuum drier |
| CN112106924A (en) * | 2020-09-10 | 2020-12-22 | 祁东县林燕食品有限公司 | Extrusion moulding equipment is used in rice noodle production |
| CN112173724A (en) * | 2020-09-17 | 2021-01-05 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
| CN112173724B (en) * | 2020-09-17 | 2022-04-15 | 宏工科技股份有限公司 | Control system and method for negative pressure conveying system and storage medium |
| CN112917863A (en) * | 2020-12-30 | 2021-06-08 | 湖北永晟塑料管业有限责任公司 | Novel pipeline production equipment |
| CN112959741A (en) * | 2021-03-04 | 2021-06-15 | 涡阳县利达塑料包装制品有限公司 | Reliable and stable plastic woven bag conveying device |
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Application publication date: 20190809 |