CN203428439U - Full-sealed type screw feeder - Google Patents
Full-sealed type screw feeder Download PDFInfo
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- CN203428439U CN203428439U CN201320542176.0U CN201320542176U CN203428439U CN 203428439 U CN203428439 U CN 203428439U CN 201320542176 U CN201320542176 U CN 201320542176U CN 203428439 U CN203428439 U CN 203428439U
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Abstract
The utility model provides a full-sealed type screw feeder. The full-sealed type screw feeder comprises an intermediate tube, a material plug tube, a cone-shaped tube, a bottom tube and a feed port, wherein the intermediate tube, the material plug tube, the cone-shaped tube, the bottom tube and the feed port are connected in sequence in the axial direction. A feeding screw shaft extends into the cone-shaped tube, the bottom tube and the feed port in the axial direction, and a transmission gear is arranged at the outer end of the feeding screw shaft. A water accumulating shell surrounds the exterior of the cone-shaped tube and the exterior of the bottom tube. All the parts are arranged on a base. The feeding screw shaft and the feed port are in motive seal in the axial direction by means of soft packing. The water accumulating shell is of a cylinder shape. The water accumulating shell and the feed port are in static end face seal by means of a circular flange. The water accumulating shell and the intermediate tube are in static end face seal by means of a flange. According to the structure, the screw feeder can be sealed, as a result, cooking media cannot leak out, it is avoided that poisonous and harmful media cause damage to people, and clean production is realized.
Description
Technical field
The utility model belongs to papermaking equipment technical field, relates in particular to the structure of scroll feeder in a kind of non-wood raw pulp transverse tube type continuously cooking system.Comprise inlet point, bottom tube, Taper Pipe, feeding plug tube, intermediate pipe, feeding spiral shaft, transmission shaft, polywater shell, transmission component, in the time of can making scroll feeder operation, medium can not leak, and realizes cleaner production.
Background technology
Scroll feeder is most important process equipment in non-wood raw material slurrying transverse tube type continuously cooking system process, and its effect is to carry out boiling for the non-wood raw material of sheet is sent into boiler with pressure continuously from atmospheric pressure state.The principle of work of scroll feeder is: Taper Pipe and bottom tube are tapers, the flight of feeding spiral shaft is reducing displacement, there is compressibi1ity, in transferring raw material process, material is formed and after state, sends into feeding plug tube very closely by continuous compression, the digestion media pressure in material energy Sealed steam cooking device very closely in feeding plug tube.In raw material, unnecessary moisture is extruded from the leaking hole of Taper Pipe and bottom tube and enters polywater shell and drain from delivery piping in material compression process.When the material density in feeding plug tube is not enough to Sealed steam cooking pressure medium, material plug is understood destroyed and is caused regurgitating, and now the digestion media of high pressure can enter feeder from feeding plug tube.
Traditional scroll feeder is all semi-hermetic type, is applicable to traditional alkaline process or acid polishing technique, and when regurgitating or use pre-digesting technoloy, digestion media can be from scroll feeder to external leakage.Because digestion media does not have toxic or non-inflammable and explosive, even destroyed and regurgitate in the situation that, can not work the mischief at material plug yet.
Along with pulping process and technology are constantly reformed, new digestion media is constantly appearance also, and some digestion media have toxic or inflammable and explosive, require production process all airtight, do not allow to leak, therefore the scroll feeder of traditional semitight can not be suitable for these pulping process.Even traditional soda pulping process technique, when there is large regurgitating, the steam personnel that also easily cause of leaking from scroll feeder injure.
Summary of the invention
The shortcoming existing for solving conventional helical feeder, thorough Sealed steam cooking medium, adapt to new pulping process technology, guarantee safety, realize cleaner production, the utility model provides a kind of scroll feeder structure of novel full seal type, can make digestion media be completely sealed in internal system, can not leak, even if regurgitate, can not produce harm yet.
The utility model solves the technical scheme that its technical matters adopts:
Full seal type scroll feeder, comprises the intermediate pipe, feeding plug tube, Taper Pipe, bottom tube, the inlet point that axially connect successively; Feeding spiral shaft axially stretches in above-mentioned Taper Pipe, bottom tube and inlet point, its outer end driving device; Polywater shell is enclosed in Taper Pipe and bottom tube is outside; Above-mentioned parts are placed on base.
Axial dynamic seal between feeding serew and inlet point adopts soft packing seal, and polywater shell is cylindric, adopts circular flange end face static seal between polywater shell and inlet point, adopts end face of flange static seal between polywater shell and intermediate pipe.Concrete structure is described below:
Axial movable sealing structure between feeding spiral shaft and inlet point, inlet point lateral surface bottom has a hole of passing through for feeding spiral shaft, diameter is more bigger than the maximum flight external diameter of feeding spiral shaft, in hole, place compression gland, the hole outer rim of inlet point has seal boss, between the hole outer fringe seal boss of compression gland and inlet point, there is gasket seal, by tightened bolt presses, form side seal, between the endoporus of compression gland and feeding spiral shaft, place wadding, by packing gland and tightened bolt presses, form axial-rotation dynamic seal.
Hermetically-sealed construction between polywater shell and inlet point, inlet point its connect bottom tube a side discharge opening be circular, the connected import of bottom tube is also circular, bottom tube is arranged on the discharge opening outside of inlet point by binding bolt; The discharge opening lateral surface of inlet point is provided with circular seal boss, polywater shell is cylindric, its end is provided with circular flat flange, between the circular seal boss of the discharge opening lateral surface of polywater shell and inlet point, has gasket seal, by tightened bolt presses sealing surface, forms side seal.
Hermetically-sealed construction between polywater shell and intermediate pipe, the flange of feeding plug tube is positioned in the middle of the end face flange of intermediate pipe and Taper Pipe, by binding bolt, clamps; Polywater outer casing end cylindraceous is provided with circular flat flange, between the flange back side of flat flange and intermediate pipe, has gasket seal, by tightened bolt presses sealing surface, forms side seal.
The beneficial effects of the utility model are:
(1) energy sealing screw feeder, can not leak digestion media.
(2) avoid the poisonous and hazardous medium personnel that cause to injure.
(3) can realize cleaner production.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is axial movable sealing structure schematic diagram between feeding spiral shaft of the present utility model and inlet point, and wherein Fig. 2 a is axial section, the right side view that Fig. 2 b is inlet point;
Fig. 3 is hermetically-sealed construction schematic diagram between polywater shell of the present utility model and inlet point, and wherein Fig. 3 a is axial section, the left side view that Fig. 3 b is inlet point;
Fig. 4 is hermetically-sealed construction schematic diagram between polywater shell of the present utility model and intermediate pipe.
In figure: 1. intermediate pipe, 2. feeding plug tube, 3. binding bolt, 4. binding bolt, 5. gasket seal, 6. Taper Pipe, 7. polywater shell, 8. binding bolt, 9. bottom tube, 10. binding bolt, 11. inlet points, 12. feeding spiral shafts, 13. compression gland, 14. waddings, 15. packing glands, 16. transmission components, 17. reductors, 18. belt pulleys, 19. bases, 20. binding bolts, 21. binding bolts, 22. gasket seals, 23., 24. binding bolts, 25. gasket seals, 26. binding bolts.
The specific embodiment
Full seal type scroll feeder structure as shown in Figure 1, comprises the intermediate pipe 1, feeding plug tube 2, Taper Pipe 6, bottom tube 9, the inlet point 11 that axially connect successively; Feeding spiral shaft 12 axially stretches in above-mentioned Taper Pipe 6, bottom tube 9 and inlet point 11, and its outer end is connection for transmission assembly 16, reductor 17, belt pulley 18 successively; Polywater shell 7 is enclosed in Taper Pipe 6 and bottom tube 9 outsides; Above-mentioned parts are placed on base 19.
Between feeding spiral shaft and inlet point, axial movable sealing structure as shown in Figure 2, the radial section of inlet point 11 is U-shapeds, lateral surface bottom has a hole of passing through for feeding spiral shaft 12, diameter is more bigger than the maximum flight external diameter of feeding spiral shaft 12, in hole, place compression gland 13, compression gland 13 is two halves structure, the hole outer rim of inlet point 11 has seal boss, between the hole outer fringe seal boss of compression gland 13 and inlet point 11, there is gasket seal 22, with binding bolt 21, compress and form side seal, between the endoporus of compression gland 13 and feeding spiral shaft 12, place wadding 14, with packing gland 15 and binding bolt 20, compress, form axial-rotation dynamic seal.
Between polywater shell and inlet point, hermetically-sealed construction as shown in Figure 3, the radial section of inlet point 11 is U-shapeds, its discharge opening that connects a side of bottom tube 9 is circular, and the connected import of bottom tube 9 is also circular, and bottom tube 9 is arranged on the discharge opening outside of inlet point 11 by binding bolt 26; The discharge opening lateral surface of inlet point 11 is provided with circular seal boss, polywater shell 7 is cylindric, its end is provided with circular flat flange, between the circular seal boss of the discharge opening lateral surface of polywater shell 7 and inlet point 11, there is gasket seal 25, by binding bolt 10 press seal faces, form side seal.
Between polywater shell and intermediate pipe, as shown in Figure 4, the flange of feeding plug tube 2 is positioned in the middle of the end face flange of intermediate pipe 1 and Taper Pipe 6 hermetically-sealed construction, by binding bolt 3, clamps; Polywater shell cylindraceous 7 ends are provided with circular flat flange, between flat flange and the flange back side of intermediate pipe 1, have gasket seal 5, by binding bolt 4 press seal faces, form side seal.
Claims (4)
1. a full seal type scroll feeder, comprises the intermediate pipe, feeding plug tube, Taper Pipe, bottom tube, the inlet point that axially connect successively; Feeding spiral shaft axially stretches in above-mentioned Taper Pipe, bottom tube and inlet point, its outer end driving device; Polywater shell is enclosed in Taper Pipe and bottom tube is outside; Above-mentioned parts are placed on base; It is characterized in that: the axial dynamic seal between feeding serew and inlet point adopts soft packing seal, and polywater shell is cylindric, adopts circular flange end face static seal between polywater shell and inlet point, adopts end face of flange static seal between polywater shell and intermediate pipe.
2. according to a kind of full seal type scroll feeder of claim 1, it is characterized in that: the axial movable sealing structure between described feeding serew and inlet point is, inlet point lateral surface bottom has a hole of passing through for feeding spiral shaft, diameter is more bigger than the maximum flight external diameter of feeding spiral shaft, in hole, place compression gland, the hole outer rim of inlet point has seal boss, between the hole outer fringe seal boss of compression gland and inlet point, there is gasket seal, by tightened bolt presses, form side seal, between the endoporus of compression gland and feeding spiral shaft, place wadding, by packing gland and tightened bolt presses, form axial-rotation dynamic seal.
3. according to a kind of full seal type scroll feeder of claim 1, it is characterized in that: between described polywater shell and inlet point, adopt circular flange end face static seal structure to be, inlet point its connect bottom tube a side discharge opening be circular, the connected import of bottom tube is also circular, and bottom tube is arranged on the discharge opening outside of inlet point by binding bolt; The discharge opening lateral surface of inlet point is provided with circular seal boss, polywater shell is cylindric, its end is provided with circular flat flange, between the circular seal boss of the discharge opening lateral surface of polywater shell and inlet point, has gasket seal, by tightened bolt presses sealing surface, forms side seal.
4. according to a kind of full seal type scroll feeder of claim 1, it is characterized in that: described polywater shell and the end face of flange static seal structure between intermediate pipe are, the flange of feeding plug tube is positioned in the middle of the end face flange of intermediate pipe and Taper Pipe, by binding bolt, clamps; Polywater outer casing end cylindraceous is provided with circular flat flange, between the flange back side of flat flange and intermediate pipe, has gasket seal, by tightened bolt presses sealing surface, forms side seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542176.0U CN203428439U (en) | 2013-09-02 | 2013-09-02 | Full-sealed type screw feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542176.0U CN203428439U (en) | 2013-09-02 | 2013-09-02 | Full-sealed type screw feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203428439U true CN203428439U (en) | 2014-02-12 |
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ID=50057490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542176.0U Expired - Lifetime CN203428439U (en) | 2013-09-02 | 2013-09-02 | Full-sealed type screw feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203428439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229402A (en) * | 2014-09-23 | 2014-12-24 | 无锡市泰新环保科技有限公司 | Sealed material discharging pusher |
| CN105836399A (en) * | 2016-05-23 | 2016-08-10 | 江苏科技大学 | Conical shaftless screw conveyor with variable pitches |
-
2013
- 2013-09-02 CN CN201320542176.0U patent/CN203428439U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104229402A (en) * | 2014-09-23 | 2014-12-24 | 无锡市泰新环保科技有限公司 | Sealed material discharging pusher |
| CN104229402B (en) * | 2014-09-23 | 2016-09-21 | 无锡市泰新环保科技有限公司 | Sealed discharging propeller |
| CN105836399A (en) * | 2016-05-23 | 2016-08-10 | 江苏科技大学 | Conical shaftless screw conveyor with variable pitches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310004 No. 71, Stadium Road, Hangzhou, Zhejiang Patentee after: HMEI MACHINERY & ENGINEERING Co. Address before: 310004 No. 71, Stadium Road, Hangzhou, Zhejiang Patentee before: HANGZHOU PROJECT & Research Institute OF ELECTRO MECHANIC IN LIGHT INDUSTRY |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 428, building 4, No. 970-1, Gaojiao Road, Wuchang Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: HMEI MACHINERY & ENGINEERING Co. Address before: 310004 No. 71, Stadium Road, Hangzhou, Zhejiang Patentee before: HMEI MACHINERY & ENGINEERING Co. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |