CN106743741A - Negative-pressure feeding silo roof dust-removing recovery device - Google Patents
Negative-pressure feeding silo roof dust-removing recovery device Download PDFInfo
- Publication number
- CN106743741A CN106743741A CN201710145053.6A CN201710145053A CN106743741A CN 106743741 A CN106743741 A CN 106743741A CN 201710145053 A CN201710145053 A CN 201710145053A CN 106743741 A CN106743741 A CN 106743741A
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- CN
- China
- Prior art keywords
- cast hopper
- inner chamber
- suction port
- feed bin
- suction inlet
- 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.)
- Pending
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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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- 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
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of negative-pressure feeding silo roof dust-removing recovery device, including cast hopper, roof scrubber and helicon feed bin, cast hopper, roof scrubber are separately mounted to the top of helicon feed bin, bottom suction port and side suction port are provided with the dedusting housing of roof scrubber, bottom suction port is communicated with the inner chamber of helicon feed bin, side suction port is docked with the floating dust suction inlet sealing of cast hopper, the ventilation section area of the ventilation section area less than discharging opening of floating dust suction inlet.If being provided with volume control damper between side suction port and the floating dust suction inlet of cast hopper, the negative pressure value of floating dust suction inlet can be adjusted, can accurately absorb airborne dust, promote that powder material is more suitable unimpededly to fall into helicon feed bin inner chamber.Diaphragm is provided with cast hopper inner chamber, powder can be reduced and risen floating amount to floating dust suction inlet, promote the powder for raising up suitable can unimpededly fall into helicon feed bin inner chamber.
Description
Technical field
The present invention relates to Pesticide formulation equipment, more particularly to pesticidal solid raw material feeding apparatus.
Background technology
During Pesticide formulation, when especially pulvis, granule or suspending agent etc. are related to powder material, feeding intake
Shi Douhui produces the excessive of dust, not only wastes powder material, and can cause the pollution of working environment, to production operating personnel
Injury it is very big.At present, most of Pesticide formulation enterprises all complete powder and feed intake by negative-pressure feeding bucket, although
Negative pressure state is in cast hopper, but the acceptor feed bin of material is to be in atmospheric pressure state, once material entrance will be by acceptor material
Air in storehouse is driven out of, and cast hopper is entered so as to take substantial amounts of dust out of, and cast hopper can not be disposed moment, will there is part dust
Overflow；The existing dust arrester that feeds intake is typically the setting sweep-up pipe above cast hopper and is connected with deduster, and deduster is installed
On the side of cast hopper, the powder material that deduster is reclaimed can not be returned directly to material acceptor feed bin, need artificial Timing Processing, one
Aspect forms secondary pollution, and on the other hand proportioning accuracy is had a certain impact；And cast hopper and deduster be point install, account for
Ground area is big.In order to overcome drawbacks described above, Chinese patent 201210134144.7 discloses a kind of dustless material feeding device, and it includes
Air blower, filter cylinder, housing, feeding door, feed bin docking section and reverse-blow pipe, air blower and feed bin are respectively arranged at two ends with housing
Docking section, feeding door is provided with the side of housing, and filter cylinder is set in housing, and reverse-blow pipe is stretched into filter cylinder, the air draught of air blower
Mouth is communicated with the inner chamber of filter cylinder, and feed bin docking section is relative with batch bin to be connect.
This dustless material feeding device is the device for adding powder auxiliary agent or filler in modified plastics production process, is being added
Air blower is set up in feed bin (housing), filter cylinder is provided with the lower end of air blower, when feeding intake, start air blower, make the inner chamber of filter cylinder
Negative pressure is formed, so that pour into the powder flown upward in housing being adsorbed onto on four the week side of boss walls of filter cylinder, realizes reducing dust with this
The purpose of excessive diffusion.Feed intake after end, start reverse-blow pipe to blowback in filter cylinder, the dust blowback that will be trapped on barrel is returned
Fall feed bin.So circulation work, so as to reach the effect of dustless material feeding.Although this dust arrester filter cylinder is arranged on housing
It is interior, and pumping is carried out to it by air blower form negative pressure state, negative pressure can be formed in the top of feeding door, but under feeding door
Side space still processes atmospheric pressure state, and when powder dispensing is carried out, powder increases the probability flown upward upwards in housing, works as absorption
When power is more than the gravity of dust, dust is then raised up, and is unfavorable for the blanking of powder, and the dust for flying upward upwards can be adsorbed rapidly in filter
The obstruction of filter cylinder is easily caused on the surrounding screen pack wall of cylinder.For charging time situation more long, dust removing effects will substantially drop
It is low to open reverse-blow pipe, it is necessary to close down air blower, reversely blow down the dust being attached on filter cylinder.Air blower and reverse hair-dryer
Alternately and repeatedly frequent starting, not only influences the service life of production efficiency, high energy consumption, and air blower and reverse hair-dryer all difficult
Ensure, applicant has carried out actual production checking to the program, in practice it has proved that the program can not meet production requirement, and the program is deposited
Inherent shortcoming can not overcome, it is impossible to reach the effect that stabilization continues dustless material feeding, the dust pollution of workshop is difficult,
Working environment can not improve, and production cannot be normally carried out.
Therefore, applicant develops a kind of negative-pressure feeding silo roof dust-removing recovery device, it both can solve solid and had fed intake
When dust pollution, and can realize feeding intake it is accurate, it is to avoid secondary pollution, production efficiency is high, and floor space is small.
The content of the invention：
The technical scheme that the present invention takes is as follows：
A kind of negative-pressure feeding silo roof dust-removing recovery device, it is characterized in that：Including cast hopper, roof scrubber and conical material
Storehouse, cast hopper, roof scrubber are separately mounted to the top of taper feed bin, discharging opening, gallery ports are provided with cast hopper and are floated
Dirt suction inlet, discharging opening is arranged on the bottom of cast hopper, for being docked with the sealing of taper feed bin, makes feed intake inner chamber and the cone of cast hopper
Shape feed bin inner chamber communicates, and gallery ports are arranged on the side of cast hopper, and floating dust suction inlet is arranged on the upper part of the inner chamber of cast hopper；
The roof scrubber includes dedusting housing, induced-draught fan, filter cylinder, bottom suction port, side suction port and exhaust outlet, induced-draught fan peace
Mounted in the outside of dedusting housing, filter cylinder is arranged in the inner chamber of dedusting housing, and the inlet scoop of induced-draught fan communicates with the inner chamber of filter cylinder,
Bottom suction port is arranged on the bottom of dedusting housing, and bottom suction port is communicated with the inner chamber of taper feed bin, and side suction port is opened up
On the side of dedusting housing, the set location of side suction port is located in the range of filter cylinder height covers, side suction port
Docked with the floating dust suction inlet sealing of cast hopper, the ventilation section area of the ventilation section area less than discharging opening of floating dust suction inlet.
Further, it is provided with volume control damper between side suction port and the floating dust suction inlet of cast hopper.
Further, diaphragm is provided with cast hopper inner chamber, air-vent is provided with diaphragm, discharging opening and floating dust are inhaled
Mouth is respectively positioned at the both sides of diaphragm.
Further, the ventilation section area of floating dust suction inlet is the ventilation section area 10%~30% of discharging opening.
Further, the ventilation section area of floating dust suction inlet is the ventilation section area 15%~20% of discharging opening.
Due to being symmetrical arranged cast hopper and roof scrubber at the top of taper feed bin, by the discharging opening on cast hopper with
The sealing docking of taper feed bin, makes the inner chamber that feeds intake of cast hopper be communicated with taper feed bin inner chamber by discharging opening, and gallery ports are arranged on
The side of cast hopper, floating dust suction inlet is arranged on the top of cast hopper, and positioned at the top of gallery ports；In removing for roof scrubber
Bottom suction port and side suction port are provided with dirt housing, induced-draught fan is arranged on the outside of dedusting housing, filter cylinder is arranged on
In the inner chamber of dedusting housing, the inlet scoop of induced-draught fan is set to be communicated with the inner chamber of filter cylinder, the inner chamber of bottom suction port and taper feed bin
Communicate, side suction port is docked with the floating dust suction inlet sealing of cast hopper.When feeding intake, start roof scrubber, induced-draught fan is to filter cylinder
The inner chamber of inner chamber, dedusting housing and taper feed bin carry out pump drainage gas, make to form negative pressure between filter cylinder surrounding and dedusting housing,
The draught area of floating dust suction inlet is designed to the draught area less than discharging opening, the purpose is to make negative pressure value in taper feed bin inner chamber
Higher than the negative pressure value of floating dust suction inlet, so, powder material poured into from the gallery ports of cast hopper after in self gravitation and conical material
In the lower inflow conical material storehouse inner chamber of storehouse inner chamber negative-pressure ward effect, a small amount of dust kicked up during feeding intake is at floating dust suction inlet
Negative-pressure ward effect under attracted deposit from the side suction port of roof scrubber, then fall back in taper feed bin, through actual production
Checking, this dust exhaust apparatus that feeds intake feeds intake excessive without airborne dust, and powder falling is fast, and roof scrubber is cleared up without shutting down, powder material profit
It is high with rate, the deficiency of prior art presence is overcome ideally.
If being provided with volume control damper between side suction port and the floating dust suction inlet of cast hopper, floating dust suction inlet can be adjusted
Negative pressure value, more conducively accurately absorbs airborne dust, accomplish both will not airborne dust, can make that powder material is more suitable unimpededly to fall into conical material again
Storehouse inner chamber.
Diaphragm is provided with cast hopper inner chamber, air-vent is provided with diaphragm, discharging opening and floating dust suction inlet are distinguished
Positioned at the both sides of diaphragm, can so reduce powder and rise floating amount to floating dust suction inlet, promote powder suitable can unimpededly fall into taper
In feed bin inner chamber.
There is the roof scrubber pulse to shake powder function, can timing blowback, energy are carried out to powder material on accumulation filter cylinder
Reduce the waste of material, the precision that raising feeds intake.
Brief description of the drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of cast hopper；
Fig. 3 is the structural representation of roof scrubber；
In figure：1- cast hoppers；2- roof scrubbers；3- taper feed bins；4- volume control dampers；11- discharging openings；12- feeds
Door；13- floating dust suction inlets；14- diaphragms；21- dedusting housings；22- induced-draught fans；23- filter cylinders；24- bottoms suction port；25- sides
Face suction port；26- exhaust outlets.
Specific embodiment：
Specific embodiment of the invention is illustrated below in conjunction with the accompanying drawings：
A kind of negative-pressure feeding silo roof dust-removing recovery device, as shown in FIG. 1 to 3, it is by cast hopper 1, the and of roof scrubber 2
Taper feed bin 3 is constituted, and cast hopper 1 and roof scrubber 2 are symmetrically mounted on the top of taper feed bin 3, are provided with out on cast hopper 1
Material mouth 11, gallery ports 12, floating dust suction inlet 13 and diaphragm 14, discharging opening 11 are arranged on the bottom of cast hopper 1, for taper
The sealing docking of feed bin 3, makes the inner chamber that feeds intake of cast hopper 1 be communicated with the inner chamber of taper feed bin 3, and gallery ports 12 are arranged on cast hopper 1
Side, floating dust suction inlet 13 is arranged on the top of cast hopper 1, and diaphragm 14 is arranged in the inner chamber of cast hopper 1, discharging opening 11 and floating
Dirt suction inlet 13 positioned at the both sides of diaphragm 14, air-vent is provided with diaphragm 14 respectively；The roof scrubber 2 includes
Dedusting housing 21, induced-draught fan 22, filter cylinder 23, bottom suction port 24, side suction port 25 and exhaust outlet 26, induced-draught fan 22 are arranged on
The top outer of dedusting housing 21, filter cylinder 23 is arranged in the top inner chamber of dedusting housing 21, inlet scoop and the filter of induced-draught fan 22
The inner chamber of cylinder 23 communicates, and bottom suction port 24 is arranged on the bottom of dedusting housing 21, and bottom suction port 24 is interior with taper feed bin 3
Chamber is communicated, and side suction port 25 is opened on the side of dedusting housing 21, the center in the top at the height midpoint of filter cylinder 23,
Side suction port 25 is docked with the sealing of floating dust suction inlet 13 of cast hopper 1, draught area the leading to for discharging opening 11 of floating dust suction inlet 13
The 30% of wind area, is provided with volume control damper 4, for adjusting between side suction port 25 and the floating dust suction inlet 13 of cast hopper 1
The actual suction air volume of floating dust suction inlet 13.
Claims (5)
1. a kind of negative-pressure feeding silo roof dust-removing recovery device, it is characterized in that：Including cast hopper (1), roof scrubber (2) and taper
Feed bin (3), cast hopper (1), roof scrubber (2) are separately mounted to the top of taper feed bin (3), are provided with cast hopper (1)
Discharging opening (11), gallery ports (12) and floating dust suction inlet (13), discharging opening (11) are arranged on the bottom of cast hopper (1), for cone
Shape feed bin (3) sealing docking, makes the inner chamber that feeds intake of cast hopper (1) be communicated with taper feed bin (3) inner chamber, and gallery ports (12) are arranged on
The side of cast hopper (1), floating dust suction inlet (13) is arranged on the upper part of the inner chamber of cast hopper (1)；The roof scrubber (2)
Including dedusting housing (21), induced-draught fan (22), filter cylinder (23), bottom suction port (24), side suction port (25) and exhaust outlet
(26), induced-draught fan (22) installed in the outside of dedusting housing (21), in the inner chamber of dedusting housing (21) inhale by filter cylinder (23)
The inlet scoop of blower fan (22) communicates with the inner chamber of filter cylinder (23), and bottom suction port (24) is arranged on the bottom of dedusting housing (21),
Bottom suction port (24) is communicated with the inner chamber of taper feed bin (3), and side suction port (25) is opened in the side of dedusting housing (21)
On, the set location of side suction port (25) is located in the range of filter cylinder (23) height cover, side suction port (25) and throwing
Floating dust suction inlet (13) the sealing docking of hopper (1), the ventilation of the ventilation section area less than discharging opening (11) of floating dust suction inlet (13)
Area of section.
2. negative-pressure feeding silo roof dust-removing recovery device according to claim 1, it is characterized in that：Suction port (25) and throwing in side
Volume control damper (4) is provided between the floating dust suction inlet (13) of hopper (1).
3. negative-pressure feeding silo roof dust-removing recovery device according to claim 1, it is characterized in that：It is provided with cast hopper (1) inner chamber
Diaphragm (14), is provided with air-vent on diaphragm (14), and discharging opening (11) and floating dust suction inlet (13) are located at water conservancy diversion respectively
The both sides of dividing plate (14).
4. negative-pressure feeding silo roof dust-removing recovery device according to claim 1, it is characterized in that：The ventilation of floating dust suction inlet (13) cuts
Face area is the ventilation section area 10%~30% of discharging opening (11).
5. negative-pressure feeding silo roof dust-removing recovery device according to claim 4, it is characterized in that：The ventilation of floating dust suction inlet (13) cuts
Face area is the ventilation section area 15%~20% of discharging opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145053.6A CN106743741A (en) | 2017-03-13 | 2017-03-13 | Negative-pressure feeding silo roof dust-removing recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145053.6A CN106743741A (en) | 2017-03-13 | 2017-03-13 | Negative-pressure feeding silo roof dust-removing recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106743741A true CN106743741A (en) | 2017-05-31 |
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ID=58962482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710145053.6A Pending CN106743741A (en) | 2017-03-13 | 2017-03-13 | Negative-pressure feeding silo roof dust-removing recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106743741A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357882A (en) * | 2018-02-05 | 2018-08-03 | 洛阳石化工程设计有限公司 | A kind of PTA powders carrier bar transport system |
| CN108525611A (en) * | 2018-05-30 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of benzoic acid with new wind mechanism feeds intake dust-extraction unit |
| CN111437750A (en) * | 2017-07-31 | 2020-07-24 | 杭州跟策科技有限公司 | Powder humidifier and powder humidifying method |
-
2017
- 2017-03-13 CN CN201710145053.6A patent/CN106743741A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437750A (en) * | 2017-07-31 | 2020-07-24 | 杭州跟策科技有限公司 | Powder humidifier and powder humidifying method |
| CN111437750B (en) * | 2017-07-31 | 2022-05-31 | 枣庄市东粮生物科技发展有限公司 | Powder humidifier and powder humidifying method |
| CN108357882A (en) * | 2018-02-05 | 2018-08-03 | 洛阳石化工程设计有限公司 | A kind of PTA powders carrier bar transport system |
| CN108525611A (en) * | 2018-05-30 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of benzoic acid with new wind mechanism feeds intake dust-extraction unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |