CN2811231Y - Quantitative and continuous feeding device for viscous powdered materials - Google Patents
Quantitative and continuous feeding device for viscous powdered materials Download PDFInfo
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- CN2811231Y CN2811231Y CNU2004201153595U CN200420115359U CN2811231Y CN 2811231 Y CN2811231 Y CN 2811231Y CN U2004201153595 U CNU2004201153595 U CN U2004201153595U CN 200420115359 U CN200420115359 U CN 200420115359U CN 2811231 Y CN2811231 Y CN 2811231Y
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- feeding
- charging hopper
- passage
- continuous feeding
- push rod
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a quantitative and continuous feeding device for viscous powdered materials. The utility model comprises a feeding part and a transmission part, wherein the feeding part comprises a material loading bin. The upper end part and the lower end part of the material loading bin are sealed by flanges. The lateral wall of the upper end of the material loading bin is provided with a feeding pipe provided with a sealing cover, and the lower end is provided with a material unloading opening. The transmission part comprises a frequency variable motor, a transfer case and an axial pushing rod controlled by the frequency variable motor. The feeding part comprises a material guiding pipe and an air inlet pipe sheathed in the material guiding pipe movably penetrated on a flange cover at the upper end of the material loading bin. The space between the material guiding pipe and the flange cover is sealed by an O-shaped sealing ring. The material guiding pipe and the axial pushing rod are connected by a loop connection piece. The lateral wall of the upper end of the material guiding pipe is provided with an outlet. The outer wall of a lower end opening and the inner wall of the material loading bin form a sealing structure by two annular sealing rings. A lower end opening of the air inlet pipe is fixedly provided with a nozzle device which comprises a diversion screw thread drill and an outer sleeve barrel sheathed outside the diversion screw thread drill. The utility model is suitable for feeding viscous fine powder to middle and low pressure reactors. For fine powder with better fluidization performance, when material rate is tiny, the fine powder can be continuously and uniformly fed.
Description
Technical field
The utility model relates to a kind of feeding device of quantitatively carrying cohesive powders in middle and low-pressure vessel continuously, belongs to Pneumatic Conveying Technology field in the chemical plant.
Background technology
Cohesive powders, as superfine powder, living beings fine powder, coal dust and other viscosity fine powder etc., since its intrinsic physical property, poor mobile performance, easily agglomerating.When adopting traditional screw feeding, cohesive powders easily produces hanging in hopper, reinforced very unstable; And when adopting fluidizing method reinforced, often can't carry because of the fluidizing performance difference.
For example, when adopting the screw feeding device to carry out the living beings powder feed, in order in spiral inflow point a seal silo to be set usually to the positive pressure system feeding, the size of feeding quantity is undertaken by the conversion revolution speed of screw.Yet, because living beings powder density is little, slope angle of repose is big, fluidizing performance is poor, when under the Negative Pressure Difference condition, carrying, in feed bin, be easy to generate bridging, hanging, cause reinforced difficulty.For avoiding the bridging of living beings powder in the feed bin, generally all on feed bin, be provided with one and stir or oscillatory system, reinforced also unstable even like this, present the pulse situation.In addition, this charging process can't solve the spiral negative effect that extruding is caused to the living beings powder, promptly causes the powder caking, and is reinforced irregular, the ill effect of pipe choking and subsequent process.
Chinese invention patent CN1390915A employing compound type feeding device, feed bin adopts screw feeding for preparation hopper and reinforced hopper formation, and the material that spiral is taken out of is carried and is entered reactive system by carrier gas, additional gas.This device also exists above-mentioned shortcoming.
Chinese invention patent CN1064314A has proposed a kind of streaming tank, comes pulverized coal conveying by fluidized gas, adds additional gas in the pipeline and prevents that coal dust from forming embolism.When coal dust is thick, when aqueous ingredients is low, smoothly reinforced, but carry fine breeze, or during the stronger living beings powder of viscosity,, stop up easily when reinforced because of material is difficult to active fluidization.
The utility model content
The purpose of this utility model is to provide a kind of cohesive powders quantitative continuous feeding, adopts the feed way of gas purging, has avoided the shortcomings such as poor, the easy bridging of fluidizing performance of cohesive powders, has ensured that reinforced energy is quantitative, has carried out to steady and continuous.
For achieving the above object, the utility model provides a kind of cohesive powders quantitative continuous feeding, comprise feeding section and running part, described feeding section comprises charging hopper, flange seal is passed through in the upper and lower end of described charging hopper, its upper end sidewall offers the charge pipe of with closure, and the lower end is provided with discharge port; Described running part comprises variable-frequency motor and the axial push rod of being controlled by variable-frequency motor; Described feeding section also comprises passage and air inlet pipe, and described air inlet pipe is sheathed among the passage; Described passage is arranged on the blind flange of charging hopper upper end versatilely, and between the two by the sealing of O RunddichtringO; Described passage is connected by the kink attaching parts with described axial push rod; Described passage upper end sidewall is provided with outlet, and the lower port outer wall forms hermetically-sealed construction by two grommet type sealss and described charging hopper inwall; The lower port of described air inlet pipe is fixed with spray nozzle device, and described spray nozzle device comprises water conservancy diversion screw thread awl and sheathed its outer outer sleeve.
Described water conservancy diversion screw thread awl is 2-4 head thread awl.
Described charge pipe and charging hopper axis are at 45.
O-ring seals between the blind flange of described passage and charging hopper upper end is a multilayer O RunddichtringO.
Corresponding scalable mouthful of the circular cone that is provided with in described passage lower end with described spray nozzle device; Lateral wall and described charging hopper inwall that scalable mouthful of circular cone is located in described grommet type seals form hermetically-sealed construction.
Described axial push rod is made up of push rod and the push rod housing that is sheathed on outside it.
The beneficial effects of the utility model are: it is continuously evenly reinforced in the mesolow reactor not to be only applicable to the viscosity fine powder, and to fluidizing performance fine powder preferably, when small material rate, can realize equally continuously, evenly, stable reinforced.
Description of drawings
Fig. 1 is a device scheme drawing of the present utility model.
Fig. 2 is the cutaway view of the spray nozzle device of Fig. 1.
Fig. 3 is the reinforced design sketch of wood powder fine powder in the embodiment.
Fig. 4 is the reinforced design sketch of stalk fine powder in the embodiment.
Fig. 5 is the reinforced design sketch of fine breeze in the embodiment.
The accompanying drawing sign
1. export the sealing of 2. passages, 3. upper flange 4.O type circles
5. charge pipe 6. charging hoppers 7. lower flanges 8. discharge ports
9. scalable mouthful 11. air inlet pipes of spray nozzle device 10. circular cones
12. kink connector 13. push rods 14. push rod guides 15. change speed gear boxs
16. variable-frequency motor 17. ring-like seal ring 18. outer sleeves 19. water conservancy diversion screw threads awls
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Extremely shown in Figure 2 as Fig. 1, the quantitative continuous feeding of a kind of cohesive powders, comprise feeding section and running part, described feeding section comprises charging hopper 6, the upper and lower end of described charging hopper 6 is by upper flange 3 and lower flange 7 sealings, its upper end sidewall offers the charge pipe 5 of with closure, and the lower end is provided with discharge port 8; Described running part comprises variable-frequency motor 16 and change speed gear box 15 and by the axial push rod of variable-frequency motor control; Described axial push rod is made up of push rod 13 and the push rod housing 14 that is sheathed on outside it.Described feeding section also comprises passage 2 and air inlet pipe 11, and described air inlet pipe 11 is sheathed among the passage 2; Described passage 2 is arranged on the blind flange of charging hopper 6 upper ends versatilely, and between the two by the sealing of O RunddichtringO, this O-ring seals is a multiple-structure, is made of flat O RunddichtringO and taper O RunddichtringO.Passage 2 is under the less moving velocity, can ensure sealing fully.Described passage 2 is connected by kink attaching parts 12 with described axial push rod; Described passage 2 upper end sidewalls are provided with outlet 1, and the lower port outer wall forms hermetically-sealed construction by two grommet type sealss 17 and described charging hopper 6 inwalls; The lower port of described air inlet pipe 11 is fixed with spray nozzle device 9, and described spray nozzle device 9 comprises water conservancy diversion screw thread awl 19 and sheathed its outer outer sleeve 18.Water conservancy diversion screw thread awl 19 is 2-4 head thread awl.Described charge pipe 5 is at 45 with the charging hopper axis.
Described passage 2 lower ends and described spray nozzle device 9 corresponding scalable mouthfuls 10 in circular cone that are provided with; Lateral wall and described charging hopper 6 inwalls that the scalable mouth 10 of circular cone is located in described grommet type seals form hermetically-sealed construction.
During convey materials, regulate earlier variable-frequency motor 16 and turn to, regulate the position of push rod 13 in advance, make the lower end of spray nozzle device 9 rise and be higher than charge pipe 5, powder material is added from charge pipe 5, screw the seal cover cap of charge pipe 5 after a certain amount of again; Reduce push rod 13 again and make spray nozzle device 9 a little higher than material end faces.When reinforced, variable-frequency motor drives push rod and moves down, and passage 2 moves down simultaneously, and the air inlet pipe that is sheathed in the passage also moves down thereupon; Open source of the gas, by the oblique air-flow of ejection down of spray nozzle device, under the effect of water conservancy diversion screw thread awl, even injection material bed of material face, on the material aspect of charging hopper 6, form rotational gas flow, this air-flow entrained fines material enters passage 2 by scalable mouthful of inboard scalable duct of circular cone, and is drained in the follow-up equipment by the outlet 1 of passage 2 upper ends.The size of material powder output is decided by the speed of moving down of spray nozzle device, and the moving velocity of spray nozzle device is controlled by variable-frequency motor 19 frequency adjustment.The moving velocity of spray nozzle device determines underspeeding of material aspect, thereby has determined the size of reinforced rate.
During to the reinforced situation of small material rate, this device can be designed to: charge pipe diameter 40mm, and high 700mm, disposable charging can reach 200g～400g.
The timber powder material: material particular diameter is below the 0.45mm, and carrier gas flux is 0.6Nm
3/ h, its reinforced curve as shown in Figure 3.Linearly dependent coefficient is greater than 0.99.The resistance of charging system is 2～3kPa.The timber fine powder can feed in raw material by continous-stable between 1g/min～4g/min, when increasing load volume, and reinforced can further increasing.
The viscosity straw powder material of handling: powder particle size is below the 0.45mm, and carrier gas flux is 0.8Nm
3/ h, its reinforced curve as shown in Figure 4.Linearly dependent coefficient is greater than 0.99.The resistance of charging system is 3～5kPa.The stalk fine powder can feed in raw material by continous-stable between 1g/min～5g/min.
The brown coal fine powder: granularity is 0.15-0.224mm, and carrier gas flux is 0.8Nm
3/ h, its reinforced curve as shown in Figure 5.Linearly dependent coefficient is greater than 0.99.The resistance of charging system is 3～5kPa.The brown coal fine powder can feed in raw material by continous-stable between 4g/min～15g/min.
Claims (6)
1, the quantitative continuous feeding of a kind of cohesive powders, comprise feeding section and running part, described feeding section comprises charging hopper (6), and flange seal is passed through in the upper and lower end of described charging hopper (6), its upper end sidewall offers the charge pipe (5) of with closure, and the lower end is provided with discharge port (8); Described running part comprises variable-frequency motor (16), change speed gear box (15) and the axial push rod of being controlled by variable-frequency motor; It is characterized in that,
Described feeding section also comprises passage (2) and air inlet pipe (11), and described air inlet pipe (11) is sheathed among the passage (2); Described passage (2) is arranged on the blind flange of charging hopper (6) upper end versatilely, and between the two by the sealing of O RunddichtringO; The upper end of described passage (2) is connected by kink attaching parts (12) with described axial push rod;
Described passage (2) upper end sidewall is provided with outlet (1), and the lower port outer wall forms hermetically-sealed construction by two grommet type sealss (17) and described charging hopper (6) inwall;
The lower port of described air inlet pipe (11) is fixed with spray nozzle device (9), and described spray nozzle device (9) comprises water conservancy diversion screw thread awl (19) and sheathed its outer outer sleeve (18).
2, the quantitative continuous feeding of cohesive powders according to claim 1 is characterized in that, described water conservancy diversion screw thread awl (19) is 2-4 head thread awl.
3, the quantitative continuous feeding of cohesive powders according to claim 1 is characterized in that, described charge pipe (5) is at 45 with the charging hopper axis.
4, the quantitative continuous feeding of cohesive powders according to claim 1 is characterized in that, the O-ring seals between the blind flange of described passage and charging hopper upper end is a multiple-structure.
5, the quantitative continuous feeding of cohesive powders according to claim 1 is characterized in that, corresponding scalable mouthful of the circular cone (10) that is provided with described spray nozzle device in described passage lower end; Lateral wall and described charging hopper (6) inwall that circular cone scalable mouthful (10) is located in described grommet type seals form hermetically-sealed construction.
6, the quantitative continuous feeding of cohesive powders according to claim 1 is characterized in that, described axial push rod is by push rod (13) and be sheathed on its outer push rod housing (14) and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201153595U CN2811231Y (en) | 2004-11-23 | 2004-11-23 | Quantitative and continuous feeding device for viscous powdered materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201153595U CN2811231Y (en) | 2004-11-23 | 2004-11-23 | Quantitative and continuous feeding device for viscous powdered materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2811231Y true CN2811231Y (en) | 2006-08-30 |
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ID=36937615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004201153595U Expired - Fee Related CN2811231Y (en) | 2004-11-23 | 2004-11-23 | Quantitative and continuous feeding device for viscous powdered materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2811231Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270870A (en) * | 2014-06-23 | 2016-01-27 | 合肥艾普拉斯环保科技有限公司 | Material carrying device |
-
2004
- 2004-11-23 CN CNU2004201153595U patent/CN2811231Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270870A (en) * | 2014-06-23 | 2016-01-27 | 合肥艾普拉斯环保科技有限公司 | Material carrying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060830 Termination date: 20131123 |