CN212205359U - Reducing and pitch-changing screw extrusion dehydrator - Google Patents
Reducing and pitch-changing screw extrusion dehydrator Download PDFInfo
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- CN212205359U CN212205359U CN202021016716.8U CN202021016716U CN212205359U CN 212205359 U CN212205359 U CN 212205359U CN 202021016716 U CN202021016716 U CN 202021016716U CN 212205359 U CN212205359 U CN 212205359U
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Abstract
The utility model relates to a reducing and variable-pitch screw extrusion dehydrator, wherein a conveying motor is connected with a speed reducer, a main shaft of the speed reducer is connected with a screw shaft through a coupling, the screw shaft is arranged on a dehydration barrel, the screw shaft is provided with a helical blade, and the diameter and the pitch of a left helical blade are larger than the diameter and the pitch of a right helical blade; a row of water leakage holes are formed in the dewatering barrel and are positioned below the left helical blade, the lower portion of the dewatering barrel is fixedly communicated with a groove body, and a first water outlet is formed in the left end of the groove body; the dewatering barrel is provided with screen holes in the circumferential direction at the position of the right helical blade, a barrel is fixed outside the thin barrel section of the dewatering barrel in a sealing mode, the screen holes are located in the barrel, and the lower left portion of the barrel is communicated with a second water outlet. The utility model discloses a wet material gets into equipment from the feeder hopper, and free water is discharged from the hole that leaks, and the material continues up to carry, extrudes moisture in the material through reducing displacement helical blade, spills through the upper portion screen cloth and discharges through the second delivery port, and final material sediment is discharged through the slag charge export.
Description
Technical Field
The utility model relates to a hydroextractor equipment field, more specifically the spiral extrusion hydroextractor that relates to a reducing displacement that says so.
Background
The spiral dehydrator is a device for dehydrating wet materials by adopting a mechanical direct pressurization method. The dehydrated material is discharged from a discharge hole, and the water compressed out is discharged by a drain hole.
Current screw extrusion hydroextractor does not have reducing displacement spiral, dewatering effect is not good, at the during operation, power input mechanism action drives the stripper bar and rotates, the stripper bar drives extrusion spiral and rotates, the extrusion spiral drives the rubbish that gets into in the dehydration section of thick bamboo and moves to the direction that is close to the stripper bar main aspects, utilize extrusion spiral to extrude rubbish, reduce the rubbish volume, extrude the water in the rubbish simultaneously, the water after extruding flows to the box in through the apopore, the box lower extreme is provided with the outlet, the slope of box lower surface sets up, can concentrate the outflow to the water of extruding, convenient processing. However, the above prior art has the following disadvantages: because wet material has a lot of free moisture, and wet material itself includes moisture moreover, all mix the processing together when prior art handles, at extrusion screw in-process, some free moisture mix in entering into wet material again like this, it is unsatisfactory to cause the dehydration effect, the dehydration efficiency is low, and extrusion screw is the same from the size of main aspects to tip moreover, and its compression ratio is the same, and its extrusion separation and propulsive efficiency can not obtain effectual improvement, has influenced the separation efficiency of complete machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's weak point, provide a screw extrusion hydroextractor of reducing displacement, wet material passes through import material entering equipment, and partly free moisture spills through the following screen cloth and discharges through the delivery port, and the material continues up to carry, extrudes the moisture that contains in the material through the reducing displacement spiral, spills through the upper portion delivery port through the upper portion screen cloth and discharges, and final material sediment is through slag charge export discharge.
The technical solution of the utility model is as follows:
a screw extrusion dehydrator with variable diameter and variable pitch comprises a conveying motor, wherein the conveying motor is connected with a speed reducer, a main shaft of the speed reducer is connected with a screw shaft through a coupler, the screw shaft is arranged on a dehydration barrel, a feed hopper communicated with the dehydration barrel is arranged at the upper left part of the dehydration barrel, a slag discharge hopper communicated with the dehydration barrel is arranged at the lower right part of the dehydration barrel, and the dehydration barrel comprises a thick barrel section, a thin barrel section and a middle section for connecting the thick barrel section and the thin barrel section; the spiral shaft is provided with spiral blades, the spiral blades are formed by welding and connecting a left spiral blade and a right spiral blade, the diameter of the left spiral blade is larger than that of the right spiral blade, and the pitch of the left spiral blade is larger than that of the right spiral blade; a row of water leakage holes are formed in the dewatering barrel and are positioned below the left helical blade, a groove body is fixedly communicated with the lower portion of the dewatering barrel and is positioned below the water leakage holes, and a first water outlet is formed in the left end of the groove body; the fine barrel section of the dewatering barrel is circumferentially provided with screen holes at the position of the right helical blade, the barrel is fixed outside the fine barrel section of the dewatering barrel in a sealing mode, the screen holes are located in the barrel, and the lower left portion of the barrel is communicated with a second water outlet.
Preferably, the left end of the screw shaft penetrates through the dewatering barrel, a bearing seat is arranged at the left part of the dewatering barrel, a bearing is arranged in the bearing seat, the left end of the screw shaft is connected with the bearing in a matched mode, and a sealing ring is arranged at the right end, located on the bearing, in the bearing seat.
Preferably, the left end of the bearing seat is connected with a bearing cover plate through a bolt a.
Preferably, the bearing block is provided with a flange, a plurality of groups of connecting holes are arranged on the periphery of the flange, a plurality of groups of mounting holes are arranged at the left part of the dewatering barrel, and the bearing block is fixedly connected with the dewatering barrel by a bolt b penetrating through the connecting holes and the mounting holes.
Preferably, the wall thickness of the dewatering barrel is 50-100 mm, and the outer diameter of the thick barrel section is 1.5-2 times of that of the thin barrel section.
Preferably, the thick cylinder section and the thin cylinder section are both cylinder structures, and the middle section is a conical cylinder structure.
Preferably, a row of water leakage holes on the dewatering barrel and below the left helical blade extend rightwards from the left part of the dewatering barrel, and the length of the water leakage holes is 2/3 the length of the thick barrel; the screen holes on the thin cylinder section of the dewatering barrel and positioned on the right helical blade in the circumferential direction extend rightwards from the left part of the thin cylinder section, and the length of the screen holes is 3/5 of the length of the thin cylinder section.
Preferably, the first water outlet and the second water outlet are respectively detachably provided with a filter screen.
Preferably, the dewatering barrel is arranged obliquely, and the inclination angle of the dewatering barrel and the horizontal plane is 25-40 degrees.
The beneficial effects of the utility model reside in that:
the utility model discloses a screw axis in dehydration section of thick bamboo and the dehydration section of thick bamboo is equipped with helical blade on the screw axis, and left helical blade's diameter is greater than right helical blade's diameter, and left helical blade's pitch is greater than right helical blade's pitch. The rear end of the dewatering barrel is provided with a power mechanism connected with the spiral shaft, the front end of the dewatering barrel is supported by a bearing, the left upper part of the dewatering barrel is provided with a feed hopper communicated with the dewatering barrel, and the right lower part of the dewatering barrel is provided with a slag discharge hopper communicated with the dewatering barrel; the dewatering barrel comprises a thick barrel section, a thin barrel section and a middle section for connecting the thick barrel section and the thin barrel section, a row of water leakage holes are formed in the dewatering barrel and below the left helical blade, a groove body is fixedly communicated with the lower portion of the dewatering barrel and below the water leakage holes, and a first water outlet is formed in the left end of the groove body; the fine barrel section of the dewatering barrel is circumferentially provided with screen holes at the position of the right helical blade, the barrel is fixed outside the fine barrel section of the dewatering barrel in a sealing mode, the screen holes are located in the barrel, and the lower left portion of the barrel is communicated with a second water outlet. Adopt the reducing, the screw axis of variable pitch, the design is diminished by back to front gradually at material transportation in-process pitch like this, its is rational in infrastructure, it is convenient to dismantle, make wet material realize packing and pre-compaction at the feeding section, the volume is diminished by big under the thrust effect of screw axis to the material after getting into the compression section, and it is even to change, form the extrusion force continuous promptly, the homogeneous change, moisture in the material flows gradually, reach extrusion dehydration's effect, the operation is simple, low energy consumption, high working efficiency, good anti-skid property, flexible use. The utility model discloses be equipped with first delivery port and second delivery port, the free water is discharged from first delivery port through the hole that leaks, and the material continues up to carry, extrudes moisture in the material through reducing displacement helical blade, spills through the upper portion screen cloth and discharges through the second delivery port, and final material sediment is discharged through the slag charge export, and dewatering effect is good, is favorable to the discharge of moisture in the material when the extrusion dehydration. The rear end of the dewatering cylinder of the utility model is provided with a bearing seat, a bearing is arranged in the bearing seat, and the screw shaft is arranged in the bearing, so that the screw shaft operates stably; the screw shaft is driven by a conveying motor and a speed reducer, the rotating speed of the main shaft can be controlled according to production requirements, and the use is convenient.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
in fig. 1 and 2: 1-a conveying motor; 2, a speed reducer; 3, a coupler; 4-a helical axis; 5, dewatering barrel; 501, a thick cylinder section; 502-slim section; 503-middle section; 6, a bearing seat; 7, a bearing; 8, sealing rings; 9-bolt a; 10-bearing cover plate; 11-bolt b; 12-a feed hopper; 13-slag discharge hopper; 14-helical blades; 1401-left helical blades; 1402-right helical blade; 15-water leakage hole; 16-a tank body; 17 — a first water outlet; 18-mesh openings; 19-a barrel; 20-a second water outlet.
Detailed Description
The embodiment, see figures 1 and 2, a spiral extrusion hydroextractor of reducing displacement, including conveying motor 1, conveying motor connects speed reducer 2, and the main shaft of speed reducer is connected with screw axis 4 through shaft coupling 3, the screw axis is installed on dewatering barrel 5, the left end of screw axis passes dewatering barrel, and bearing frame 6 has been installed to dewatering barrel's left part, the built-in bearing 7 that is equipped with of bearing frame, and the left end and the bearing cooperation of screw axis are connected, and lie in the right-hand member of bearing in the bearing frame and installed sealing washer 8.
The left end of the bearing seat is connected with a bearing cover plate 10 through a bolt a 9.
The bearing seat is provided with a flange, a plurality of groups of connecting holes are circumferentially arranged on the flange, a plurality of groups of mounting holes are arranged at the left part of the dehydration barrel, and the bearing seat is fixedly connected with the dehydration barrel by penetrating the connecting holes and the mounting holes through bolts b 11.
A feed hopper 12 communicated with the dehydration barrel is arranged at the left upper part of the dehydration barrel, a slag discharge hopper 13 communicated with the dehydration barrel is arranged at the right lower part of the dehydration barrel, and the dehydration barrel comprises a thick barrel section 501, a thin barrel section 502 and a middle section 503 for connecting the thick barrel section and the thin barrel section; the spiral shaft is provided with a spiral blade 14, the spiral blade is formed by welding and connecting a left spiral blade 1401 and a right spiral blade 1402, the diameter of the left spiral blade is larger than that of the right spiral blade, and the pitch of the left spiral blade is larger than that of the right spiral blade; a row of water leakage holes 15 are formed in the dewatering barrel and are positioned below the left helical blade, a groove body 16 is fixedly communicated with the lower portion of the dewatering barrel and is positioned below the water leakage holes, and a first water outlet 17 is formed in the left end of the groove body; a water drainage hole on the dewatering barrel and below the left helical blade extends rightwards from the left part of the dewatering barrel, and the length of the water drainage hole is 2/3 of the length of the thick barrel;
the fine barrel section of the dewatering barrel is circumferentially provided with screen holes 18 at the position of the right helical blade, the fine barrel section of the dewatering barrel is fixed with a barrel body 19 in an external sealing mode, the screen holes are located in the barrel body, and the lower left portion of the barrel body is communicated with a second water outlet 20. The screen holes on the thin cylinder section of the dewatering barrel and positioned on the right helical blade in the circumferential direction extend rightwards from the left part of the thin cylinder section, and the length of the screen holes is 3/5 of the length of the thin cylinder section.
The wall thickness of the dewatering barrel is 50-100 mm, and the outer diameter of the thick barrel section is 1.5-2 times of that of the thin barrel section.
The thick cylinder section and the thin cylinder section are both of cylinder structures, and the middle section is of a conical cylinder structure.
The filter screens are detachably arranged at the first water outlet and the second water outlet respectively, and can filter a large amount of residues contained in separated liquid to prevent the first water outlet or the second water outlet from being blocked.
The dewatering barrel is arranged obliquely, and the inclination angle of the dewatering barrel and the horizontal plane is 25-40 degrees.
The utility model discloses the theory of operation: wet material passes through feeder hopper entering equipment, and partly free moisture spills from leaking the hole and discharges through first delivery port, and the material continues up to carry, extrudes the moisture that contains in the material through reducing displacement spiral, spills through the second delivery port through upper portion screen hole and discharges, and final material sediment is discharged through the slag charge export of the hopper of slagging tap.
The above embodiments are specific descriptions of the present invention, and are only further descriptions of the present invention, which should not be construed as limitations of the protection scope of the present invention, and some non-essential modifications and adjustments made by those skilled in the art according to the above embodiments are all within the protection scope of the present invention.
Claims (9)
1. The utility model provides a screw extrusion hydroextractor of reducing displacement, includes conveying motor, conveying motor connects the speed reducer, and the main shaft of speed reducer has the screw axis through the coupling joint, the screw axis is installed on the dewatering barrel, the upper left portion of dewatering barrel is equipped with the feeder hopper rather than being linked together, and the right lower part of dewatering barrel is equipped with the hopper of slagging tap rather than being linked together, its characterized in that: the dehydration barrel comprises a thick barrel section, a thin barrel section and a middle section for connecting the thick barrel section and the thin barrel section; the spiral shaft is provided with spiral blades, the spiral blades are formed by welding and connecting a left spiral blade and a right spiral blade, the diameter of the left spiral blade is larger than that of the right spiral blade, and the pitch of the left spiral blade is larger than that of the right spiral blade; a row of water leakage holes are formed in the dewatering barrel and are positioned below the left helical blade, a groove body is fixedly communicated with the lower portion of the dewatering barrel and is positioned below the water leakage holes, and a first water outlet is formed in the left end of the groove body; the fine barrel section of the dewatering barrel is circumferentially provided with screen holes at the position of the right helical blade, the barrel is fixed outside the fine barrel section of the dewatering barrel in a sealing mode, the screen holes are located in the barrel, and the lower left portion of the barrel is communicated with a second water outlet.
2. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: the left end of the spiral shaft penetrates through the dewatering barrel, a bearing seat is arranged at the left part of the dewatering barrel, a bearing is arranged in the bearing seat, the left end of the spiral shaft is connected with the bearing in a matched mode, and a sealing ring is arranged at the right end, located on the bearing, in the bearing seat.
3. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 2, wherein: and the left end of the bearing seat is connected with a bearing cover plate through a bolt a.
4. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 2, wherein: the bearing seat is provided with a flange, a plurality of groups of connecting holes are circumferentially arranged on the flange, a plurality of groups of mounting holes are arranged at the left part of the dehydration barrel, and the bearing seat is fixedly connected with the dehydration barrel by a bolt b penetrating through the connecting holes and the mounting holes.
5. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: the wall thickness of the dewatering barrel is 50-100 mm, and the outer diameter of the thick barrel section is 1.5-2 times of that of the thin barrel section.
6. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: the thick cylinder section and the thin cylinder section are both of cylinder structures, and the middle section is of a conical cylinder structure.
7. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: a water drainage hole on the dewatering barrel and below the left helical blade extends rightwards from the left part of the dewatering barrel, and the length of the water drainage hole is 2/3 of the length of the thick barrel; the screen holes on the thin cylinder section of the dewatering barrel and positioned on the right helical blade in the circumferential direction extend rightwards from the left part of the thin cylinder section, and the length of the screen holes is 3/5 of the length of the thin cylinder section.
8. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: the first water outlet and the second water outlet are respectively detachably provided with a filter screen.
9. The screw extrusion dehydrator with variable diameter and variable pitch as claimed in claim 1, wherein: the dewatering barrel is arranged obliquely, and the inclination angle of the dewatering barrel and the horizontal plane is 25-40 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016716.8U CN212205359U (en) | 2020-06-05 | 2020-06-05 | Reducing and pitch-changing screw extrusion dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021016716.8U CN212205359U (en) | 2020-06-05 | 2020-06-05 | Reducing and pitch-changing screw extrusion dehydrator |
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| Publication Number | Publication Date |
|---|---|
| CN212205359U true CN212205359U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021016716.8U Active CN212205359U (en) | 2020-06-05 | 2020-06-05 | Reducing and pitch-changing screw extrusion dehydrator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203253A (en) * | 2021-05-28 | 2021-08-03 | 洛阳蓝斯利科技有限公司 | Licorice extract heating, drying and extruding equipment |
| CN113983764A (en) * | 2021-11-22 | 2022-01-28 | 上海牧融机械设备有限公司 | Spiral secondary extrusion dehydrator |
-
2020
- 2020-06-05 CN CN202021016716.8U patent/CN212205359U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203253A (en) * | 2021-05-28 | 2021-08-03 | 洛阳蓝斯利科技有限公司 | Licorice extract heating, drying and extruding equipment |
| CN113983764A (en) * | 2021-11-22 | 2022-01-28 | 上海牧融机械设备有限公司 | Spiral secondary extrusion dehydrator |
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