CN107261983A - A kind of pressure relief device and glass fibre weighing system - Google Patents
A kind of pressure relief device and glass fibre weighing system Download PDFInfo
- Publication number
- CN107261983A CN107261983A CN201710593147.XA CN201710593147A CN107261983A CN 107261983 A CN107261983 A CN 107261983A CN 201710593147 A CN201710593147 A CN 201710593147A CN 107261983 A CN107261983 A CN 107261983A
- Authority
- CN
- China
- Prior art keywords
- respirator
- impeller
- material blanking
- backgauge
- weighing system
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2213—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71775—Feed mechanisms characterised by the means for feeding the components to the mixer using helical screws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The present invention provides a kind of pressure relief device and glass fibre weighing system, and the pressure relief device is arranged on the material blanking tube in the glass fibre weighing system.Pressure relief device includes：Relief tube, is connected with the material blanking tube；Pressure release respirator, including respirator skeleton, respirator covering, the respirator skeleton are connected on the relief tube, and the respirator covering is arranged on the respirator skeleton periphery；On air-flow governor motion, the relief tube between the pressure release respirator and the material blanking tube.The present invention is compared to prior art, when weighing operation, and the gas being mingled with powder overflows naturally from pressure release respirator, less interference of the air-flow to weighing system so that bucket-shaped read number is more stablized, and dispensing is more accurate, improves operating efficiency.
Description
Technical field
The present invention relates to a kind of weighing system, particularly a kind of pressure relief device and glass fibre weighing system.
Background technology
At present, the glass metal needed for glass fibre tank furnace wire drawing is to be formed by batch in tank furnace back warp high temperature melting.Match somebody with somebody
It is to be mixed by several powder according to the weight of setting to close material.In order to ensure the batch being made after powder mixing not of the same race
Uniformity, powder can be ground to form after the particle of the mesh size of 200 mesh -325 after drying, then is arranged on and matched somebody with somebody with compressed air feeding
The feed bin of material system highest point is kept in.The weighing operation of powder is usually to claim to carry out by bucket-shaped in current industry.Weighing powder
During material, powder is fallen into the screw(-type) feeder of the bucket-shaped side of deserving to be called by the gravity of itself, by way of spiral is fed
Claim charging to bucket-shaped, weight is then measured by the pressure sensor installed in bucket-shaped title bottom.In order to take into account weighing speed and
Precision, screw(-type) feeder can typically be designed to two-layer spiral, i.e., thick principal screw is arranged on upper strata, tiny auxiliary helical
Row is installed in the underface of principal screw.When weighing operation progress, principal screw is responsible for quick feeding, is set when the weight of powder is close
During definite value, principal screw is stopped operating, and auxiliary spiral is rotated further, until setting value.During principal screw is rotated, due to fast
Speed, in large quantities charging cause to be mingled with substantial amounts of gas in powder, cause claim body rock, weight readings it is unstable.Existing design
It is to discharge gas by the way of deduster suction, easily causes title body and float, be then further exacerbated by claiming the waving of body, reading more
Plus distortion.During weighing, feed proportioning system can suspend repeatedly, in order to accurate reading, thus consume many waits
Time, while symmetrical accuracy of measurement also has detrimental effect.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, exhaust, dispensing essence can be stablized it is an object of the invention to provide one kind
True pressure relief device and glass fibre weighing system.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：A kind of pressure relief device, is used
In on the material blanking tube installed in glass fibre weighing system, including：
Relief tube, is connected with the material blanking tube；
Pressure release respirator, including respirator skeleton, respirator covering, the respirator skeleton are connected to the relief tube
On, the respirator covering is arranged on the respirator skeleton periphery；
On air-flow governor motion, the relief tube between the pressure release respirator and the material blanking tube.
The present invention is compared to prior art, when weighing operation, and the gas being mingled with powder is natural from pressure release respirator
Overflow, less interference of the air-flow to weighing system so that bucket-shaped read number is more stablized, and dispensing is more accurate, improves work
Efficiency.
Further, screen pack is additionally provided with the respirator skeleton, the screen pack inboard is additionally provided with lattice obliquely
Grid.
Using above-mentioned preferred scheme, screen pack can filter the powder suspended in relief tube, and grid obliquely can
Make the powder gathered on screen pack be fallen into material blanking tube by vibrations to be re-used, grid can relax gas shock, stable row
Gas.
Further, the screen pack is Demountable, and the respirator skeleton is provided with screen pack mounting groove.
Using above-mentioned preferred scheme, screen pack is conveniently replaceable, maintenance efficiency is improved.
Further, bleeding point is provided between screen pack and the respirator covering, the bleeding point is connected with pumping blower fan.
Using above-mentioned preferred scheme, when pressure release overpressure is too high, pumping blower fan can be started and help to be vented.
Further, the air-flow governor motion includes plate casket, air draft impeller, and the plate casket is arranged on the pressure release
Guan Shang, the air draft impeller is arranged on the bottom of the plate casket.
Using above-mentioned preferred scheme, plate casket can control relief tube exhaust port size, adjust exhaust velocity, air draft
Impeller can be rotated with air-flow, play a part of steady air flow.
A kind of glass fibre weighing system, including feed bin, slightly supply screw rod, essence supply screw rod, bucket-shaped title, the thick supply
Screw rod, essence supply screw outlet are connected to the bucket-shaped side of deserving to be called through material blanking tube, and the material blanking tube is provided with above-mentioned pressure relief device.
Further, rotatable backgauge impeller is provided with the bucket-shaped side of deserving to be called, the backgauge impeller is provided with more
Piece flabellum.
Using above-mentioned preferred scheme, the blanking of top is fallen into bucket-shaped deserve to be called by backgauge impeller in batches, it is possible to reduce powder
To the impact of bucket-shaped title when falling, stable reading is maintained.
Further, the material blanking tube periphery of the bucket-shaped side of deserving to be called is provided with sleeve moving up and down, the backgauge impeller
On the sleeve, the material blanking tube, which is provided with, avoids the open slot that the backgauge impeller is moved up and down, on the sleeve
Provided with the sleeve drive mechanism for driving it to move up and down.
Using above-mentioned preferred scheme, backgauge impeller can be moved up and down in the bucket-shaped side of deserving to be called, when the bucket-shaped powder deserved to be called
When being on the increase, backgauge impeller can be automatically moved up, it is ensured that light and slow smooth blanking.
Further, torque force limiting device is provided between the central shaft and sleeve of the backgauge impeller.
Using above-mentioned preferred scheme, change the velocity of rotation of backgauge impeller by adjusting torque force limiting device size.
Further, in addition to controller, the controller feeds the increment of screw rod according to the thick supply screw rod, essence
The opening degree of plate casket opening is controlled, the controller is controlled according to weighing by the sleeve drive mechanism for bucket-shaped title
The backgauge impeller moves up and down position.
Using above-mentioned preferred scheme, the air pressure in material blanking tube can be automatically controlled, the height of backgauge impeller is automatically adjusted,
Ensure that blanking is stable, reduce the impact to bucket-shaped title.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of pressure relief device of the present invention；
Fig. 2 is a kind of structural representation of embodiment of glass fibre weighing system of the present invention.
Numeral and the title of the corresponding component represented by letter in figure：
1- relief tubes；2- pressure release respirators；21- respirator skeletons；22- respirator coverings；23- screen packs；24- grids；
25- bleeding points；3- air-flow governor motions；31- plate caskets；32- air draft impellers；4- feed bins；5- slightly feeds screw rod；6- essence supply spiral shells
Bar；7- is bucket-shaped to be claimed；8- backgauge impellers；9- sleeves；10- material blanking tubes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, a kind of pressure relief device, for the material blanking tube installed in glass fibre weighing system, including：
Relief tube 1, is connected with the material blanking tube；
Pressure release respirator 2, including respirator skeleton 21, respirator covering 22, respirator skeleton 21 are connected to relief tube 1
On, respirator covering 22 is arranged on the periphery of respirator skeleton 21；
On air-flow governor motion 3, the relief tube 1 between pressure release respirator 2 and the material blanking tube.
It is using the beneficial effect of above-mentioned technical proposal：Weighing during operation carries out, the gas being mingled with powder is from pressure release
Overflowed naturally in respirator 2, less interference of the air-flow to weighing system so that bucket-shaped read number is more stablized, and dispensing is more smart
Really, operating efficiency is improved.
In other embodiments of the present invention, also set on the purpose of filtering powder, respirator skeleton 21 to reach
There is screen pack 23, the inboard of screen pack 23 is additionally provided with grid 24 obliquely.It is using the beneficial effect of above-mentioned technical proposal：Filtering
Net 23 can filter the powder suspended in relief tube 1, and grid 24 obliquely can be shaken the powder gathered on screen pack
Fall into material blanking tube and be re-used, grid 24 can relax gas shock, stable exhaust.
In other embodiments of the present invention, in order to reach the purpose for being convenient for changing screen pack, screen pack 23 is can
Detachable structure, respirator skeleton 21 is provided with screen pack mounting groove.It is using the beneficial effect of above-mentioned technical proposal：It is easy to more
Screen pack 23 is changed, maintenance efficiency is improved.
In other embodiments of the present invention, in order to reach the purpose of auxiliary exhaust, screen pack 23 is covered with respirator
Bleeding point 25 is provided between skin 21, bleeding point 25 is connected with pumping blower fan.It is using the beneficial effect of above-mentioned technical proposal：Work as pressure release
When overpressure is too high, pumping blower fan can be started and help to be vented.
In other embodiments of the present invention, in order to reach the purpose of control exhaust airstream, air-flow governor motion 3 is wrapped
Plate casket 31, air draft impeller 32 are included, plate casket 31 is arranged on relief tube 1, and air draft impeller 32 is arranged on the bottom of plate casket 31.
It is using the beneficial effect of above-mentioned technical proposal：Plate casket 31 can control the exhaust port size of relief tube 1, regulation exhaust speed
Degree, air draft impeller 32 can be rotated with air-flow, play a part of steady air flow.
A kind of glass fibre weighing system, including feed bin 4, thick supply screw rod 5, essence supply screw rod 6, bucket-shaped title 7, thick supply
Screw rod 5, essence supply screw rod 6 are exported is connected to the bucket-shaped top of title 7 through material blanking tube 10, and material blanking tube 10 is provided with above-mentioned pressure relief device.
In other embodiments of the present invention, reduce to the bucket-shaped purpose for claiming to impact, claim bucket-shaped on 7 to reach
Side is provided with rotatable backgauge impeller 8, and backgauge impeller 8 is provided with multi-disc flabellum.Using the beneficial effect of above-mentioned technical proposal
It is：The blanking of top is fallen into bucket-shaped claim on 7 by backgauge impeller 8 in batches, it is possible to reduce to the impact of bucket-shaped title 7 when powder is fallen,
Maintain stable reading.
It is bucket-shaped in order to reach the self-adjustable purpose of backgauge impeller height in other embodiments of the present invention
The periphery of material blanking tube 10 of 7 tops is claimed to be provided with sleeve 9 moving up and down, backgauge impeller 8 is arranged on sleeve 9, on material blanking tube 10
Provided with the open slot that backgauge impeller 8 is moved up and down is avoided, sleeve 9 is provided with the sleeve drive mechanism for driving it to move up and down.Adopt
It is with the beneficial effect of above-mentioned technical proposal：Backgauge impeller 8 can claim 7 tops to move up and down bucket-shaped, when the bucket-shaped powder claimed on 7
When material is on the increase, backgauge impeller 8 can be automatically moved up, and prevent backgauge impeller from interfering with the bucket-shaped powder for deserving to be called accumulation, really
Protect light and slow smooth blanking.
In other embodiments of the present invention, in order to reach the purpose of stable backgauge impeller operation, backgauge impeller 8
Torque force limiting device is provided between central shaft and sleeve 9.It is using the beneficial effect of above-mentioned technical proposal：By adjusting torque force limiting device
Size changes the velocity of rotation of backgauge impeller.
In other embodiments of the present invention, in order to reach the purpose automatically controlled, in addition to controller, the control
The increment that device processed feeds screw rod 6 according to thick supply screw rod 5, essence controls the opening degree of the opening of plate casket 31, the controller root
7 are claimed to weigh by the sleeve drive mechanism and move up and down position control backgauge impeller 8 according to bucket-shaped.Using above-mentioned skill
The beneficial effect of art scheme is：The air pressure in material blanking tube 10 can be automatically controlled, the height of backgauge impeller 8 is automatically adjusted, it is ensured that
Blanking is stable, reduces the impact to bucket-shaped title 7.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow ordinary skill people
Member can understand present disclosure and be carried out, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all cover within the scope of the present invention.
Claims (10)
1. a kind of pressure relief device, for the material blanking tube installed in glass fibre weighing system, it is characterised in that including：
Relief tube, is connected with the material blanking tube；
Pressure release respirator, including respirator skeleton, respirator covering, the respirator skeleton are connected on the relief tube, institute
State respirator covering and be arranged on the respirator skeleton periphery；
On air-flow governor motion, the relief tube between the pressure release respirator and the material blanking tube.
2. pressure relief device according to claim 1, it is characterised in that be additionally provided with screen pack on the respirator skeleton, institute
State screen pack inboard and be additionally provided with grid obliquely.
3. pressure relief device according to claim 2, it is characterised in that the screen pack is Demountable, described to exhale
Suction hood skeleton is provided with screen pack mounting groove.
4. pressure relief device according to claim 3, it is characterised in that provided with pumping between screen pack and the respirator covering
Mouthful, the bleeding point is connected with pumping blower fan.
5. pressure relief device according to claim 4, it is characterised in that the air-flow governor motion includes plate casket, air draft
Impeller, the plate casket is arranged on the relief tube, and the air draft impeller is arranged on the bottom of the plate casket.
6. a kind of glass fibre weighing system, including feed bin, slightly supply screw rod, essence supply screw rod, bucket-shaped title, the thick supply spiral shell
Bar, essence supply screw outlet are connected to the bucket-shaped side of deserving to be called through material blanking tube, it is characterised in that the material blanking tube is provided with right
It is required that any pressure relief devices of 1-5.
7. glass fibre weighing system according to claim 6, it is characterised in that being provided with the bucket-shaped side of deserving to be called can
The backgauge impeller of rotation, the backgauge impeller is provided with multi-disc flabellum.
8. glass fibre weighing system according to claim 7, it is characterised in that outside the material blanking tube of the bucket-shaped side of deserving to be called
It is provided with sleeve moving up and down week, the backgauge impeller is arranged on the sleeve, the material blanking tube is described provided with avoiding
The open slot that backgauge impeller is moved up and down, the sleeve is provided with the sleeve drive mechanism for driving it to move up and down.
9. glass fibre weighing system according to claim 8, it is characterised in that the central shaft and set of the backgauge impeller
Torque force limiting device is provided between cylinder.
10. glass fibre weighing system according to claim 9, it is characterised in that also including controller, the controller
The opening degree of plate casket opening is controlled according to the increment of the thick supply screw rod, essence supply screw rod, the controller is according to bucket
What shape claimed weigh by the sleeve drive mechanism moves up and down position control the backgauge impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593147.XA CN107261983B (en) | 2017-07-19 | 2017-07-19 | Pressure relief device and glass fiber weighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593147.XA CN107261983B (en) | 2017-07-19 | 2017-07-19 | Pressure relief device and glass fiber weighting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107261983A true CN107261983A (en) | 2017-10-20 |
| CN107261983B CN107261983B (en) | 2023-08-08 |
Family
ID=60079232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710593147.XA Active CN107261983B (en) | 2017-07-19 | 2017-07-19 | Pressure relief device and glass fiber weighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107261983B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2478925Y (en) * | 2001-05-15 | 2002-02-27 | 宜兴市申大电子称量有限公司 | Powder automatic dosing packing machine |
| US20060165495A1 (en) * | 2005-01-26 | 2006-07-27 | Claus Krebs | Method and apparatus for pneumatically conveying bulk material which does not flow readily |
| EP1700644A2 (en) * | 2005-03-08 | 2006-09-13 | Karosserie-Akademie Wilfried Mennel | Exhaust air suction device |
| CN101746612A (en) * | 2008-12-09 | 2010-06-23 | 沈阳矿山机械有限公司 | Automatic stretching stacking distributing device |
| CN201760202U (en) * | 2010-08-26 | 2011-03-16 | 台嘉玻璃纤维有限公司 | Dust collecting device |
| CN102070023A (en) * | 2010-12-03 | 2011-05-25 | 重庆国际复合材料有限公司 | Decompression discharge pipe and raw material mixing system adopting the same |
| CN202115911U (en) * | 2010-11-25 | 2012-01-18 | 软控股份有限公司 | Hopper scale |
| CN206325353U (en) * | 2016-12-22 | 2017-07-14 | 广州市银禹环保建材有限公司 | A kind of improved powder cylinder top dust-precipitator |
| CN206996490U (en) * | 2017-07-19 | 2018-02-13 | 台嘉玻璃纤维有限公司 | A kind of pressure relief device and glass fibre weighing system |
-
2017
- 2017-07-19 CN CN201710593147.XA patent/CN107261983B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2478925Y (en) * | 2001-05-15 | 2002-02-27 | 宜兴市申大电子称量有限公司 | Powder automatic dosing packing machine |
| US20060165495A1 (en) * | 2005-01-26 | 2006-07-27 | Claus Krebs | Method and apparatus for pneumatically conveying bulk material which does not flow readily |
| EP1700644A2 (en) * | 2005-03-08 | 2006-09-13 | Karosserie-Akademie Wilfried Mennel | Exhaust air suction device |
| CN101746612A (en) * | 2008-12-09 | 2010-06-23 | 沈阳矿山机械有限公司 | Automatic stretching stacking distributing device |
| CN201760202U (en) * | 2010-08-26 | 2011-03-16 | 台嘉玻璃纤维有限公司 | Dust collecting device |
| CN202115911U (en) * | 2010-11-25 | 2012-01-18 | 软控股份有限公司 | Hopper scale |
| CN102070023A (en) * | 2010-12-03 | 2011-05-25 | 重庆国际复合材料有限公司 | Decompression discharge pipe and raw material mixing system adopting the same |
| CN206325353U (en) * | 2016-12-22 | 2017-07-14 | 广州市银禹环保建材有限公司 | A kind of improved powder cylinder top dust-precipitator |
| CN206996490U (en) * | 2017-07-19 | 2018-02-13 | 台嘉玻璃纤维有限公司 | A kind of pressure relief device and glass fibre weighing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107261983B (en) | 2023-08-08 |
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