CN107718653A - A kind of screw extrusion dewaterer - Google Patents
A kind of screw extrusion dewaterer Download PDFInfo
- Publication number
- CN107718653A CN107718653A CN201711074071.6A CN201711074071A CN107718653A CN 107718653 A CN107718653 A CN 107718653A CN 201711074071 A CN201711074071 A CN 201711074071A CN 107718653 A CN107718653 A CN 107718653A
- Authority
- CN
- China
- Prior art keywords
- feeding warehouse
- retainer ring
- cylinder
- screw
- discharging opening
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/121—Screw constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
- B30B9/127—Feed means
Abstract
The invention discloses a kind of screw extrusion dewaterer,Including base and feeding warehouse,Charging aperture and escape pipe are provided with the top of feeding warehouse,The bottom of feeding warehouse is connected with cylinder,Helix extrusion device is provided with cylinder,Helix extrusion device includes screw spindle,First extruding blade and the second extruding blade are welded on screw spindle,Inner barrel is additionally provided with filter screen device,Filter screen device includes screen pack,The both ends of screen pack are fastened in the first retainer ring and the second retainer ring,Second retainer ring connector drum and discharging opening,Filter screen device is set in the outside of helix extrusion device,One end of screw spindle corresponds to discharging opening,The other end is connected with adpting flange through the joint face of feeding warehouse and cylinder,Adpting flange connects helix extrusion device and group of motors,This screw extrusion dewaterer,Using double helix exrusion blade and filter screen device,It is simple to operate,Facilitate disassembly, cleaning,Avoid blocking and material spray phenomenon occurs,Effectively improve the efficiency of separation.
Description
Technical field
The present invention relates to mechanical equipment technical field, specially a kind of screw extrusion dewaterer.
Background technology
Need to use a kind of solid-liquid separating machine in poultry excrement and urine disposal, be mainly used in the solid and liquid in feces of livestock and poultry
Body is separated, and still, existing screw type solid-liquid separating machine there is problems；Because what is separated in separation process consolidates
The scale of construction is gradually increased, and the cylinder of existing spiral separator is cylinder mechanism, easily causes solid to be accumulated in cylinder
And produce clogging；The helical structure of existing spiral propeller is normal structure, in use the extruding of solid point
It cannot effectively be improved from the efficiency with propulsion, have impact on the separative efficiency of complete machine；Existing discharge baffle is all with lever
The form of extension counterweight thallium, which makes complete machine outward appearance unsightly go out material, can not automatically control moisture content.
The content of the invention
It is an object of the invention to provide a kind of screw extrusion dewaterer, is filled using double helix exrusion blade and screen pack
Put, it is simple to operate, facilitate disassembly, cleaning, avoid blocking and material spray phenomenon occurs, effectively improve the efficiency of separation, solve existing
The problem of in technology.
To achieve the above object, the present invention provides following technical scheme：A kind of screw extrusion dewaterer, including base and enter
Feed bin, the feeding warehouse are erected on base, and charging aperture is provided with the top of feeding warehouse, and the charging aperture is set in funnel-form,
Escape pipe is additionally provided with the top of feeding warehouse, the escape pipe is located at the side of charging aperture, and is higher than charging aperture, under feeding warehouse
Portion is connected with cylinder, and one end of the cylinder is located at the inside of feeding warehouse, and is communicated with feeding warehouse, and spiral is provided with cylinder and is squeezed
Pressure device, the helix extrusion device include screw spindle, first extruding blade and second extruding blade, first extruding blade and
Second extruding blade is welded on screw spindle, and screen pack dress is internally provided with positioned at the shell portion of feeding warehouse bottom outside
Put, the filter screen device includes the first retainer ring, the second retainer ring, screw fastener and screen pack, first retainer ring
Positioned at cylinder and feeding warehouse connectivity part lateral surface, the second retainer ring is located at the one end of cylinder away from feeding warehouse, the both ends of screen pack
It is fastened in the first retainer ring and the second retainer ring, and part lock is fixed by screw outside the first retainer ring and the second retainer ring
Fasten, discharging opening, the second retainer ring connector drum and discharging opening, the discharging opening outer surface are provided with the outside of the second retainer ring
Upper end is connected with baffle plate, and filter screen device is set in the outside of helix extrusion device, and one end of screw spindle corresponds to discharging opening, separately
One end is connected with adpting flange, the adpting flange connection helix extrusion device and motor through the joint face of feeding warehouse and cylinder
Group, the group of motors include reducing motor and main motor, and the reducing motor is between main motor and adpting flange.
Preferably, the helix extrusion device and filter net device are the component of stainless steel.
Preferably, the middle lower surface of cylinder offers delivery port.
Preferably, the screen pack is a kind of replaceable component.
Preferably, the baffle plate is buckled on discharging opening, and down-set opening is left between baffle plate and discharging opening.
Compared with prior art, beneficial effects of the present invention are as follows：
This screw extrusion dewaterer, the first extruding blade and the second extruding blade are welded on screw spindle, and first fixes
Ring is located at cylinder and feeding warehouse connectivity part lateral surface, and the second retainer ring is located at the one end of cylinder away from feeding warehouse, and the two of screen pack
End is fastened in the first retainer ring and the second retainer ring, and is fixed by screw part outside the first retainer ring and the second retainer ring
It is locked, baffle plate is buckled on discharging opening, and down-set opening is left between baffle plate and discharging opening, simple to operate, convenient
Disassembly, cleaning, avoid blocking and material spray phenomenon occurs, and effectively improve the efficiency of separation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the filter screen device side view of the present invention.
In figure：1 base, 2 feeding warehouses, 3 charging apertures, 4 escape pipes, 5 cylinders, 6 helix extrusion devices, 61 screw spindles, 62
First extruding blade, 63 second extruding blades, 7 filter screen devices, 71 first retainer rings, 72 second retainer rings, 73 fastened by screw
Part, 74 screen packs, 8 discharging openings, 9 baffle plates, 10 adpting flanges, 11 group of motors, 111 reducing motors, 112 main motors, 12 delivery ports.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-2, a kind of screw extrusion dewaterer, including base 1 and feeding warehouse 2, feeding warehouse 2 and be erected at base 1
On, the top of feeding warehouse 2 is provided with charging aperture 3, and charging aperture 3 is set in funnel-form, and the top of feeding warehouse 2 is additionally provided with escape pipe
4, escape pipe 4 is located at the side of charging aperture 3, and is higher than charging aperture 3, and the bottom of feeding warehouse 2 is connected with cylinder 5, one end of cylinder 5
Communicated positioned at the inside of feeding warehouse 2, and with feeding warehouse 2, helix extrusion device 6 is provided with cylinder 5, helix extrusion device 6 wraps
Include screw spindle 61, first and extrude the extruding blade 63 of blade 62 and second, the first extruding blade 62 and second extrudes blade 63 and welded
It is connected on screw spindle 61, the partial interior of cylinder 5 positioned at the bottom outside of feeding warehouse 2 is provided with filter screen device 7, screw extrusion
Device 6 and filter net device 7 are the component of stainless steel, and filter screen device 7 includes the first retainer ring 71, the second retainer ring
72nd, screw fastener 73 and screen pack 74, the first retainer ring 71 are located at cylinder 5 and the connectivity part lateral surface of feeding warehouse 2, and second fixes
Ring 72 is located at the one end of cylinder 5 away from feeding warehouse 2, and the both ends of screen pack 74 are fastened on the first retainer ring 71 and the second retainer ring 72
It is interior, and be fixed by screw part 73 outside the first retainer ring 71 and the second retainer ring 72 and be locked, screen pack 74 is one kind
Replaceable component, the outside of the second retainer ring 72 are provided with discharging opening 8, the connector drum 5 of the second retainer ring 72 and discharging opening 8, gone out
The outer surface upper end of material mouth 8 is connected with baffle plate 9, and baffle plate 9 is buckled on discharging opening 8, is left between baffle plate 9 and discharging opening 8 to dividing into
The opening put, the middle lower surface of cylinder 5 offer delivery port 12, and filter screen device 7 is set in the outer of helix extrusion device 6
Side, one end of screw spindle 61 correspond to discharging opening 8, and the other end is connected with adpting flange through the joint face of feeding warehouse 2 and cylinder 5
10, adpting flange 10 connects helix extrusion device 6 and group of motors 11, and group of motors 11 includes reducing motor 111 and main motor 112,
Reducing motor 111 is between main motor 112 and adpting flange 10, this screw extrusion dewaterer, set feeding warehouse 2 with it is traditional
The mode directly fed, which is compared, makes material not cause to have little time the excessive situation of pressing materials into squash type, sets escape pipe
4, circulating exhaust is carried out to material, material enters cylinder 5 from feeding warehouse 2, and material is in spiral separation process, with the solid of separation
The increase of quantity, material are finally pushed to propelling worm front end, and the first extruding blade 62 and second of setting extrudes blade 63, shape
Extruded into dual separation, and screen pack 74 is arranged on the first extruding blade 62 and the outside of the second extruding blade 63, material is multiple
In the presence of resistance, dehydration is more abundant, and screen pack 74 can also effectively prevent the feed blocking delivery port 12 to be come off in extruding, take off
Material after water from discharging opening 8 discharge when, baffle plate 9 and discharging opening 8 set downward opening, it is therefore prevented that material spray during discharging, operation
Simply, facilitate disassembly, cleaning, avoid blocking and material spray phenomenon occurs, effectively improve the efficiency of separation.
In summary：This screw extrusion dewaterer, the first extruding blade 62 and second extrude blade 63 and are welded on spiral master
On axle 61, the first retainer ring 71 is located at cylinder 5 and the connectivity part lateral surface of feeding warehouse 2, and the second retainer ring 72 is located at cylinder 5 away from entering
One end of feed bin 2, the both ends of screen pack 74 are fastened in the first retainer ring 71 and the second retainer ring 72, and in the first retainer ring 71
It is locked with part 73 is fixed by screw outside the second retainer ring 72, baffle plate 9 is buckled on discharging opening 8, baffle plate 9 and discharging opening
Down-set opening is left between 8, it is simple to operate, facilitate disassembly, cleaning, avoid blocking and material spray phenomenon occurs, effectively improve
The efficiency of separation.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of screw extrusion dewaterer, including base (1) and feeding warehouse (2), it is characterised in that：The feeding warehouse (2) sets up
On base (1), charging aperture (3) is provided with the top of feeding warehouse (2), the charging aperture (3) is set in funnel-form, feeding warehouse
(2) escape pipe (4) is additionally provided with the top of, the escape pipe (4) is located at the side of charging aperture (3), and is higher than charging aperture (3),
The bottom of feeding warehouse (2) is connected with cylinder (5), and one end of the cylinder (5) is located at the inside of feeding warehouse (2), and and feeding warehouse
(2) communicate, be provided with helix extrusion device (6) in cylinder (5), the helix extrusion device (6) includes screw spindle (61), the
One extruding blade (62) and the second extruding blade (63), the first extruding blade (62) and the second extruding blade (63) are welded on spiral
On main shaft (61), cylinder (5) partial interior positioned at feeding warehouse (2) bottom outside is provided with filter screen device (7), the filtering
Net device (7) includes the first retainer ring (71), the second retainer ring (72), screw fastener (73) and screen pack (74), and described
One retainer ring (71) is located at cylinder (5) and feeding warehouse (2) connectivity part lateral surface, and it is remote that the second retainer ring (72) is located at cylinder (5)
One end of feeding warehouse (2), the both ends of screen pack (74) are fastened in the first retainer ring (71) and the second retainer ring (72), and the
Part (73) is fixed by screw outside one retainer ring (71) and the second retainer ring (72) to be locked, on the outside of the second retainer ring (72)
It is provided with discharging opening (8), the second retainer ring (72) connector drum (5) and discharging opening (8), discharging opening (8) the outer surface upper end
Baffle plate (9) is connected with, filter screen device (7) is set in the outside of helix extrusion device (6), and one end of screw spindle (61) is corresponding
Discharging opening (8), the other end are connected with adpting flange (10), the adpting flange through the joint face of feeding warehouse (2) and cylinder (5)
(10) helix extrusion device (6) and group of motors (11) are connected, the group of motors (11) includes reducing motor (111) and main motor
(112), the reducing motor (111) is located between main motor (112) and adpting flange (10).
A kind of 2. screw extrusion dewaterer according to claim 1, it is characterised in that：The helix extrusion device (6) and
Filter net device (7) is the component of stainless steel.
A kind of 3. screw extrusion dewaterer according to claim 1, it is characterised in that：The middle part following table of the cylinder (5)
Face offers delivery port (12).
A kind of 4. screw extrusion dewaterer according to claim 1, it is characterised in that：The screen pack (74) is that one kind can
The component of replacing.
A kind of 5. screw extrusion dewaterer according to claim 1, it is characterised in that：The baffle plate (9) is buckled in discharging
On mouth (8), down-set opening is left between baffle plate (9) and discharging opening (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074071.6A CN107718653A (en) | 2017-11-05 | 2017-11-05 | A kind of screw extrusion dewaterer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711074071.6A CN107718653A (en) | 2017-11-05 | 2017-11-05 | A kind of screw extrusion dewaterer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107718653A true CN107718653A (en) | 2018-02-23 |
Family
ID=61222338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711074071.6A Pending CN107718653A (en) | 2017-11-05 | 2017-11-05 | A kind of screw extrusion dewaterer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107718653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173379A (en) * | 2018-10-31 | 2019-01-11 | 北京北排装备产业有限公司 | A kind of grid slag water-removing press and its application method |
| CN109605817A (en) * | 2019-02-01 | 2019-04-12 | 中国科学技术大学 | A kind of reciprocating continuous pressurization feeding device and method of biomass |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2019237A (en) * | 1978-03-29 | 1979-10-31 | Uop Inc | Process for dewatering fibrous waste |
| CN2115656U (en) * | 1992-03-19 | 1992-09-16 | 郑所初 | Sickle-type feed cutter |
| JP2001321989A (en) * | 2000-05-12 | 2001-11-20 | Ngk Insulators Ltd | Double screw type screw press |
| JP2007075701A (en) * | 2005-09-13 | 2007-03-29 | Tsurumi Mfg Co Ltd | Screw type filtration and dewatering apparatus |
| CN203291600U (en) * | 2013-05-22 | 2013-11-20 | 黄金全 | Potato pulp separator |
| CN203470183U (en) * | 2013-08-12 | 2014-03-12 | 山东博润工业技术股份有限公司 | Detachable spiral barrel of horizontal screen sedimentation centrifuge |
| CN203678667U (en) * | 2013-12-24 | 2014-07-02 | 中国建筑第七工程局有限公司 | Novel sand screening machine |
| CN203889520U (en) * | 2013-12-09 | 2014-10-22 | 郑州市鼎力干燥设备有限公司 | Open-type screw conveyor material outlet |
| CN205013174U (en) * | 2015-09-11 | 2016-02-03 | 蚌埠市捷威滤清器有限公司 | Split type filter |
| CN205219802U (en) * | 2015-12-08 | 2016-05-11 | 大丰中坤环保机械制造有限公司 | Spiral shingling machine |
| CN106239963A (en) * | 2016-07-22 | 2016-12-21 | 安徽省味之源生物科技有限公司 | A kind of spiral bean milk shingle machine |
| CN206108211U (en) * | 2016-09-18 | 2017-04-19 | 天津富成源肥业有限公司 | Powder material shaftless spiral feeding pipe |
| CN206454744U (en) * | 2017-01-03 | 2017-09-01 | 上海儒特机电设备有限公司 | A kind of sand mill and the filter screen that facilitates disassembly, cleaning |
| CN206484950U (en) * | 2017-02-10 | 2017-09-12 | 嘉兴市欧博特造纸设备科技有限公司 | Screw extrusion dewaterer |
| CN207607149U (en) * | 2017-11-05 | 2018-07-13 | 大丰中坤环保机械制造有限公司 | A kind of screw extrusion dewaterer |
-
2017
- 2017-11-05 CN CN201711074071.6A patent/CN107718653A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2019237A (en) * | 1978-03-29 | 1979-10-31 | Uop Inc | Process for dewatering fibrous waste |
| CN2115656U (en) * | 1992-03-19 | 1992-09-16 | 郑所初 | Sickle-type feed cutter |
| JP2001321989A (en) * | 2000-05-12 | 2001-11-20 | Ngk Insulators Ltd | Double screw type screw press |
| JP2007075701A (en) * | 2005-09-13 | 2007-03-29 | Tsurumi Mfg Co Ltd | Screw type filtration and dewatering apparatus |
| CN203291600U (en) * | 2013-05-22 | 2013-11-20 | 黄金全 | Potato pulp separator |
| CN203470183U (en) * | 2013-08-12 | 2014-03-12 | 山东博润工业技术股份有限公司 | Detachable spiral barrel of horizontal screen sedimentation centrifuge |
| CN203889520U (en) * | 2013-12-09 | 2014-10-22 | 郑州市鼎力干燥设备有限公司 | Open-type screw conveyor material outlet |
| CN203678667U (en) * | 2013-12-24 | 2014-07-02 | 中国建筑第七工程局有限公司 | Novel sand screening machine |
| CN205013174U (en) * | 2015-09-11 | 2016-02-03 | 蚌埠市捷威滤清器有限公司 | Split type filter |
| CN205219802U (en) * | 2015-12-08 | 2016-05-11 | 大丰中坤环保机械制造有限公司 | Spiral shingling machine |
| CN106239963A (en) * | 2016-07-22 | 2016-12-21 | 安徽省味之源生物科技有限公司 | A kind of spiral bean milk shingle machine |
| CN206108211U (en) * | 2016-09-18 | 2017-04-19 | 天津富成源肥业有限公司 | Powder material shaftless spiral feeding pipe |
| CN206454744U (en) * | 2017-01-03 | 2017-09-01 | 上海儒特机电设备有限公司 | A kind of sand mill and the filter screen that facilitates disassembly, cleaning |
| CN206484950U (en) * | 2017-02-10 | 2017-09-12 | 嘉兴市欧博特造纸设备科技有限公司 | Screw extrusion dewaterer |
| CN207607149U (en) * | 2017-11-05 | 2018-07-13 | 大丰中坤环保机械制造有限公司 | A kind of screw extrusion dewaterer |
Non-Patent Citations (2)
| Title |
|---|
| 姜道远等: "水稻全程机械化生产技术与装备", vol. 1, 东南大学出版社, pages: 270 - 271 * |
| 王徽等: "一种新型双级螺旋压榨脱水机设计", 中国造纸, no. 05, pages 55 - 57 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109173379A (en) * | 2018-10-31 | 2019-01-11 | 北京北排装备产业有限公司 | A kind of grid slag water-removing press and its application method |
| CN109605817A (en) * | 2019-02-01 | 2019-04-12 | 中国科学技术大学 | A kind of reciprocating continuous pressurization feeding device and method of biomass |
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