CN104925537A - Material-plug-type spiral feeder - Google Patents
Material-plug-type spiral feeder Download PDFInfo
- Publication number
- CN104925537A CN104925537A CN201510261400.2A CN201510261400A CN104925537A CN 104925537 A CN104925537 A CN 104925537A CN 201510261400 A CN201510261400 A CN 201510261400A CN 104925537 A CN104925537 A CN 104925537A
- Authority
- CN
- China
- Prior art keywords
- material plug
- plug type
- casing
- curved surface
- screw feeder
- 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
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
-
- 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
-
- 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
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/22—Heat or fire protection
Abstract
The invention discloses a material-plug-type spiral feeder. The material-plug-type spiral feeder comprises a machine shell and a spiral shaft, wherein a compression area and a material plug area are arranged in the machine shell; the spiral shaft is rotationally installed in the compression area; the compression area is provided with a feeding port and an output end; the material plug area is provided with an input end and a discharging port; the feeding port is located in the top of the machine shell; the output end of the compression area is communicated with the input end of the material plug area; the spiral shaft is provided with a central shaft and a spiral vane, the screw pitch of the spiral vane is gradually increased in the conveying direction, and the diameter of the central shaft is gradually reduced in the conveying direction; an arc curved surface is arranged in the machine shell and surrounds the outer side of the lower portion of the spiral shaft, and the inner diameter of the arc curved surface is gradually reduced in the conveying direction. The conveying push force of the spiral shaft can be increased, so that the spiral shaft conveys materials more smoothly. The space between the spiral shaft and the bottom wall of the compression area is reduced, and compression force on materials can be increased so that the materials can be completely compressed. The sealing performance for a fire door by means of the material plug formed by the compressed materials is improved, and the materials are prevented from accumulating in the compression area.
Description
Technical field
The present invention relates to feeding device field, particularly expect plug type screw feeder.
Background technology
Utilize the problem of the feeding device ubiquity tempering of the incinerator (as boiler, gasification furnace etc.) of biomass as fuel.There is flue gas or the fire gases of high temperature in stove, if these high-temperature gases outwards spray from feeding device, be called tempering.The fire gases ejection of high temperature because biomass material firing point is low, is very easy to catch fire, when there is tempering, gently then causes fire, if also may cause an explosion accident.Ensure not tempering while preventing the difficult point of tempering to be to keep continuous-feeding, utilize and expect that plug is feasible way at the interruption-forming one section that goes out of screw feeder.But existing feeder often fully can not compress material, material compression difference can not form actv. material plug.
Summary of the invention
The object that the present invention will reach just is to provide and makes the compressed sufficiently material plug type screw feeder of material
In order to achieve the above object, the present invention adopts following technical scheme: material plug type screw feeder, comprise casing and screw shaft, compression zone and Liao Sai district is provided with in described casing, described screw shaft is installed in rotation on compression zone, described compression zone has feed opening and mouth, described Liao Sai district has input end and discharging opening, described feed opening is positioned at the top of casing, the mouth of described compression zone is communicated with the input end in Liao Sai district, described screw shaft has center shaft and helicallobe, the pitch of described helicallobe increases gradually along throughput direction, the diameter of described center shaft reduces gradually along throughput direction, arc-shaped curved surface is provided with in described casing, described arc-shaped curved surface is trapped among the outside of screw shaft bottom, the internal diameter of described arc-shaped curved surface reduces gradually along throughput direction.
As preferred scheme, the tapering of described center shaft is equal with the tapering of arc-shaped curved surface.
As preferred scheme, described arc-shaped curved surface is projected as semi arch on vertical plane.
As preferred scheme, between the upper limb of described arc-shaped curved surface and the lower edge of feed opening, be provided with transition face.
As preferred scheme, described feed opening is provided with the electric gate valve controlling feed opening opening and closing.
Preferred scheme further, described electric gate valve has plate, and described casing is provided with the socket passed for plate, described casing is rotatably connected to baffle plate, and when plate does not insert in casing, baffle plate blocks socket.
Further preferred scheme, is provided with the support portion for supporting plate in described casing.
As preferred scheme, described discharging opening is trumpet-shaped enlarging.
As preferred scheme, described screw shaft is connected with variable-frequency motor, and described variable-frequency motor drives screw shaft to rotate.
Preferred scheme further, described feeder comprises electric-control system, and described variable-frequency motor is electrically connected with electric-control system, and described electric-control system comprises overload protection module and overcurrent protection module.
After adopting technique scheme, tool of the present invention has the following advantages: the pitch of helicallobe increases along throughput direction, and the diameter of center shaft reduces along throughput direction, can strengthen the conveying thrust of screw shaft, makes the conveying of screw shaft to material more smooth and easy; And the setting of arc-shaped curved surface, reduce the space between screw shaft and compression zone diapire compared to prior art, the compression dynamics to material can be strengthened, ensure that material fully compresses, leak tightness to fire door after the material formation material plug of raising compression, can also avoid material to pile up in compression zone.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the front view of material plug type screw feeder of the present invention;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the enlarged drawing at I place in Fig. 1.
Detailed description of the invention
As depicted in figs. 1 and 2, the material plug type screw feeder of the present embodiment comprises casing 1, compression zone 11 and Liao Sai district 12 is provided with in casing 1, screw shaft 2 is provided with in compression zone 11, the rearward end of screw shaft 2 is rotatably connected on casing 1 and is also in transmission connection through casing 1 and motor 4, screw shaft 2 drives rotation by motor 4, motor 4 is electrically connected with electric-control system, electric control system controls motor 4 action, compression zone 11 has feed opening 101 and mouth, feed opening 101 is positioned at the top of casing 1, the front end of mouth and screw shaft 2, Liao Sai district 12 has input end and discharging opening 102, the input end in Liao Sai district 12 is communicated with the mouth of compression zone 11, discharging opening 102 is positioned at the front end in Liao Sai district 12, material enters compression zone 11 from feed opening 101, electric control system controls motor 4 rotates simultaneously, motor 4 drives screw shaft 2 to rotate, in screw shaft 2 rotation process, material is compressed and it is extremely front pushed to Liao Sai district 12 by rear, the material of compression enters Liao Sai district 12 and forms material plug, the material that screw shaft 2 continuation compression pushes in the express material Liao Sai district 12 come makes it fall into boiler furnace from discharging opening 102, the material plug that material is formed plays the effect of fire door sealing feed, prevent the hot gas produced due to boiler malleation from scurrying out outside boiler, and affect environmental health and life safety.
Screw shaft 2 has center shaft 21 and helicallobe 22, helicallobe 22 is centered around on the outer wall of center shaft 21, the pitch of helicallobe 22 increases gradually along throughput direction, the diameter of center shaft 21 reduces gradually along throughput direction, the conveying thrust of screw shaft 2 can be strengthened like this, make the conveying of screw shaft 2 pairs of materials more smooth and easy, and in order to mate the structure of screw shaft 2, arc-shaped curved surface 111 is provided with in casing 1, arc-shaped curved surface 111 is trapped among the outside of screw shaft 2 bottom, the internal diameter of arc-shaped curved surface 111 reduces gradually along throughput direction, in the present embodiment, the tapering of center shaft 21 is equal with the tapering of arc-shaped curved surface 111, arc-shaped curved surface 111 is projected as semi arch on vertical plane, compared to the horizontal bottom wall of compression zone in prior art 11, reduce the space between screw shaft 2 and compression zone 11 diapire, the compression dynamics to material can be strengthened, ensure that material fully compresses, leak tightness to fire door after the material formation material plug of raising compression, material can also be avoided to pile up in compression zone 11.Be provided with transition face 112 between the upper limb of arc-shaped curved surface 111 and the lower edge of feed opening 101, transition face 112 is inclined-plane, guarantees that screw shaft 2 place fallen entirely by the material entered from feed opening 101.As shown in Figure 3, feed opening 101 is provided with electric gate valve 3, electric gate valve 3 has plate 31, electric gate valve 3 is electrically connected with electric-control system, electric control system controls electric gate valve 3 action makes plate 31 stretch out or shrink, casing 1 is provided with the socket 103 passed for plate 31, plate 31 extends through socket 103 and enters in casing 1 and seal feed opening 101, plate 31 shrinks and passes socket 103, remove the shutoff to feed opening 101, stream can be cut off by electric gate valve 3 when feeder et out of order, conveniently feeder is keeped in repair, in order to avoid plate 31 is out of shape by material compressing in casing 1, the inwall of casing 1 is provided with support portion 5, stretch into after in casing 1 at plate 31, plate 31 is supported on support portion 5, drop out in order to avoid material during feed opening 101 blanking from socket 103 casing 1, casing 1 is rotatably connected to baffle plate 6, baffle plate 6 blocks socket 103 in the sagging inner side hanging over socket 103 of Gravitative Loads, plate 31 then promotes when stretching into socket 103 baffle plate 6 turns over, the movement of plate 31 in socket 103 can not be hindered while visible baffle plate 6 plays capping socket 103.
Discharging opening 102 is trumpet-shaped enlarging, the material that Shi Liaosai district 12 comes enters in boiler furnace loose the opening in discharging opening 102 place, both the running resistance of feeder can have been reduced, material can be made again to fall into uniformly in stove, prevent agglomerating the falling in stove of material and cause boiler malleation, in addition, discharging opening 102 is the discharging opening 102 of stainless steel, prevents burner hearth thermal radiation from causing discharging opening 102 to be out of shape.
Motor 4 is variable-frequency motor 4, can realize the infinite speed variation of operational throughput, and electric-control system comprises overload protection module and overcurrent protection module, prevents mechanical equipment from causing damage owing to transshipping.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope defined in claims of the present invention.
Claims (10)
1. material plug type screw feeder, comprise casing and screw shaft, compression zone and Liao Sai district is provided with in described casing, described screw shaft is installed in rotation on compression zone, described compression zone has feed opening and mouth, described Liao Sai district has input end and discharging opening, described feed opening is positioned at the top of casing, the mouth of described compression zone is communicated with the input end in Liao Sai district, it is characterized in that: described screw shaft has center shaft and helicallobe, the pitch of described helicallobe increases gradually along throughput direction, the diameter of described center shaft reduces gradually along throughput direction, arc-shaped curved surface is provided with in described casing, described arc-shaped curved surface is trapped among the outside of screw shaft bottom, the internal diameter of described arc-shaped curved surface reduces gradually along throughput direction.
2. material plug type screw feeder according to claim 1, is characterized in that: the tapering of described center shaft is equal with the tapering of arc-shaped curved surface.
3. material plug type screw feeder according to claim 1 and 2, is characterized in that: described arc-shaped curved surface is projected as semi arch on vertical plane.
4. material plug type screw feeder according to claim 1, is characterized in that: be provided with transition face between the upper limb of described arc-shaped curved surface and the lower edge of feed opening.
5. material plug type screw feeder according to claim 1, is characterized in that: described feed opening is provided with the electric gate valve controlling feed opening opening and closing.
6. material plug type screw feeder according to claim 5, it is characterized in that: described electric gate valve has plate, described casing is provided with the socket passed for plate, described casing is rotatably connected to baffle plate, when plate does not insert in casing, baffle plate blocks socket.
7. material plug type screw feeder according to claim 6, is characterized in that: be provided with the support portion for supporting plate in described casing.
8. material plug type screw feeder according to claim 1, is characterized in that: described discharging opening is trumpet-shaped enlarging.
9. material plug type screw feeder according to claim 1, is characterized in that: described screw shaft is connected with variable-frequency motor, and described variable-frequency motor drives screw shaft to rotate.
10. material plug type screw feeder according to claim 9, it is characterized in that: described feeder comprises electric-control system, described variable-frequency motor is electrically connected with electric-control system, and described electric-control system comprises overload protection module and overcurrent protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261400.2A CN104925537A (en) | 2015-05-20 | 2015-05-20 | Material-plug-type spiral feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261400.2A CN104925537A (en) | 2015-05-20 | 2015-05-20 | Material-plug-type spiral feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104925537A true CN104925537A (en) | 2015-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261400.2A Pending CN104925537A (en) | 2015-05-20 | 2015-05-20 | Material-plug-type spiral feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104925537A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173572A (en) * | 2015-11-04 | 2015-12-23 | 浙江百纳橡塑设备有限公司 | Anti-blocking material conveyer |
| CN109368155A (en) * | 2018-12-03 | 2019-02-22 | 郑州金诚信筛网设备有限公司 | A kind of scroll feeder for granular material |
| CN110371599A (en) * | 2019-07-10 | 2019-10-25 | 常州市康泽机械有限公司 | Low-melting-point material feeder |
| CN110404312A (en) * | 2019-07-22 | 2019-11-05 | 吴云萍 | A kind of solid-liquid separating machine with cone-type spiral axis, set frame |
| CN112175683A (en) * | 2020-10-10 | 2021-01-05 | 康广民 | Horizontal manure gasification furnace |
| CN112357615A (en) * | 2020-11-02 | 2021-02-12 | 国投生物能源(铁岭)有限公司 | Blanking equipment and alcohol production system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984000741A1 (en) * | 1982-08-09 | 1984-03-01 | Berggren Torsten L | A method and apparatus for transporting a viscous or non-flowing, liquid-containing pulp |
| US5052874A (en) * | 1990-04-12 | 1991-10-01 | Jr Johanson, Inc. | Compacting screw feeder |
| JP2008222398A (en) * | 2007-03-14 | 2008-09-25 | Ishida Co Ltd | Carrying device and combinational weighing device having this carrying device |
| CN103528071A (en) * | 2013-09-13 | 2014-01-22 | 无锡锡东能源科技有限公司 | Adjustable material plug type screw feeder |
| CN103950695A (en) * | 2014-04-11 | 2014-07-30 | 武汉凯迪工程技术研究总院有限公司 | Biomass raw material tempering prevention continuous feeding system |
| CN204607113U (en) * | 2015-05-20 | 2015-09-02 | 浙江中科兴环能设备有限公司 | Material plug type screw feeder |
-
2015
- 2015-05-20 CN CN201510261400.2A patent/CN104925537A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1984000741A1 (en) * | 1982-08-09 | 1984-03-01 | Berggren Torsten L | A method and apparatus for transporting a viscous or non-flowing, liquid-containing pulp |
| US5052874A (en) * | 1990-04-12 | 1991-10-01 | Jr Johanson, Inc. | Compacting screw feeder |
| JP2008222398A (en) * | 2007-03-14 | 2008-09-25 | Ishida Co Ltd | Carrying device and combinational weighing device having this carrying device |
| CN103528071A (en) * | 2013-09-13 | 2014-01-22 | 无锡锡东能源科技有限公司 | Adjustable material plug type screw feeder |
| CN103950695A (en) * | 2014-04-11 | 2014-07-30 | 武汉凯迪工程技术研究总院有限公司 | Biomass raw material tempering prevention continuous feeding system |
| CN204607113U (en) * | 2015-05-20 | 2015-09-02 | 浙江中科兴环能设备有限公司 | Material plug type screw feeder |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105173572A (en) * | 2015-11-04 | 2015-12-23 | 浙江百纳橡塑设备有限公司 | Anti-blocking material conveyer |
| CN109368155A (en) * | 2018-12-03 | 2019-02-22 | 郑州金诚信筛网设备有限公司 | A kind of scroll feeder for granular material |
| CN110371599A (en) * | 2019-07-10 | 2019-10-25 | 常州市康泽机械有限公司 | Low-melting-point material feeder |
| CN110404312A (en) * | 2019-07-22 | 2019-11-05 | 吴云萍 | A kind of solid-liquid separating machine with cone-type spiral axis, set frame |
| CN112175683A (en) * | 2020-10-10 | 2021-01-05 | 康广民 | Horizontal manure gasification furnace |
| CN112175683B (en) * | 2020-10-10 | 2022-04-26 | 康广民 | Horizontal manure gasification furnace |
| CN112357615A (en) * | 2020-11-02 | 2021-02-12 | 国投生物能源(铁岭)有限公司 | Blanking equipment and alcohol production system |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150923 |
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| RJ01 | Rejection of invention patent application after publication |