CN211363607U

CN211363607U - High-pressure screw extrusion dehydrator for fixing gap

Info

Publication number: CN211363607U
Application number: CN201922288956.7U
Authority: CN
Inventors: 过曙昉; 陈亦军; 陈世明
Original assignee: Wuxi Fangda Environmental Protection Technology Co ltd
Current assignee: Wuxi Fangda Environmental Protection Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-28
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a high-pressure screw extrusion dehydrator with fixed gap, which comprises a shell, wherein the shell is internally provided with an extrusion cavity and a discharge cavity which are communicated, both ends of the shell are connected with bearing mounting seats, a filter cylinder is arranged in the extrusion cavity, the filter cylinder is formed by splicing a plurality of filter strips, the filter strips are fixedly connected with the shell, a screw shaft is arranged in the filter cylinder, the screw shaft is connected with a screw plate, the screw shaft is rotatably connected with the two bearing mounting seats through bearings, one end of the screw shaft extends to the outer side of the shell on one side of the discharge cavity and is connected with a motor, the shell is arranged on the extrusion cavity and is connected with a feed hopper, the lower end of the feed hopper extends into the filter cylinder, one side of the filter cylinder close to the discharge cavity is provided with a discharge port communicated with the discharge cavity, the screw shaft is arranged in the discharge cavity and is connected with a back pressure mechanism, high strength, long service life and high filtering pressure.

Description

High-pressure screw extrusion dehydrator for fixing gap

Technical Field

The utility model relates to a screw press especially relates to a high pressure screw extrusion hydroextractor in fixed gap.

Background

The screw press extrudes the moisture in the material to reduce the equipment of the moisture content of material, the filter medium of traditional screw press all is steel filter screen or filter rod, has shortcomings such as intensity is low, life is short, filter pressure is little.

SUMMERY OF THE UTILITY MODEL

The applicant researches and improves the defects and provides a high-pressure screw extrusion dehydrator with a fixed gap.

The utility model discloses the technical scheme who adopts as follows:

a high-pressure screw extrusion dehydrator with fixed gap comprises a shell, an extrusion cavity and a discharge cavity which are communicated are arranged in the shell, bearing mounting seats are connected with two ends of the shell, a filter cylinder is arranged in the extrusion cavity and is formed by splicing a plurality of filter strips, the filter strips are fixedly connected with the shell, a screw shaft is arranged in the filter cylinder and is connected with a screw plate, the screw shaft is connected with the screw plate, the screw shaft and the two bearing mounting seats are connected through a bearing in a rotating manner, one end of the screw shaft extends to the outer side of the shell on one side of the discharge cavity and is connected with a motor, the shell is arranged on the extrusion cavity and is connected with a feed hopper, the lower end of the feed hopper extends into the filter cylinder, the filter cylinder is close to the discharge cavity and is provided with a discharge port communicated with the discharge cavity, the screw shaft is arranged in the position in the, and a water outlet is formed at the lower end of the extrusion cavity.

As a further improvement of the above technical solution:

every four screw holes are all seted up to the filter strip, and the complex shell is located row material chamber circumference and sets up four rings of mounting holes, all connects the mounting panel in the mounting hole, connecting bolt on the mounting panel, the bolt is connected with the screw hole of filter strip.

The filter strip comprises an outer circular arc seat and an inner circular arc seat, and the side walls of the two sides of the inner circular arc seat are inclined inwards, so that the gap between the filter strips is small inside and large outside.

The filter strip is made of a high-strength steel plate through numerical control machining.

The backpressure mechanism is including being connected to the installation cover on the screw axis, connect backpressure adjusting bolt on the installation cover, backpressure adjusting bolt tail end top is established in the spring support board one side of establishing on the screw axis, spring support board other end supporting spring, the backpressure board of spring other end joint cover on the screw axis, the bin outlet of straining a section of thick bamboo is sealed to the backpressure board.

The diameter of the screw shaft is continuously increased from the feed hopper position to the discharge port position.

The distance between the spiral sheets connected on the spiral shaft is continuously reduced from the feed hopper position to the discharge port position.

The motor is connected with a synchronous wheel, and the synchronous wheel is connected with a synchronous gear of the screw shaft through a synchronous belt.

The lower end of the extrusion cavity is connected with a drainage hopper, the lower end of the drainage hopper is provided with a drainage outlet, and the lower end of the drainage hopper is connected with a water tank.

The utility model has the advantages as follows: the high-pressure spiral extrusion dehydrator with the fixed gap takes high-strength steel with the specification of dozens of millimeters as a filter medium, the whole filter cylinder is formed by assembling dozens of high-strength steel bars processed and formed by a numerical control machining center, the size of the filter gap can be randomly selected according to the requirement of a treatment object, the same type of fixed gap is selected for the same treatment object according to the optimal experimental result, and the high-pressure spiral extrusion dehydrator with the fixed gap has the advantages of high strength, long service life and higher bearing filtering pressure.

Drawings

Fig. 1 is a cross-sectional view of the high-pressure screw extrusion dehydrator of the utility model.

Fig. 2 is a front cross-sectional view of a filter cartridge of a high-pressure screw extrusion dewaterer with a fixed gap according to the present invention.

Fig. 3 is a cross-sectional side view of a fixed gap high pressure screw extrusion dewaterer filter cartridge according to the present invention.

Fig. 4 is a side view of the filter strip of the high-pressure screw extrusion dehydrator of the fixed gap of the present invention.

In the figure: 1. a housing; 11. an extrusion chamber; 111. a water outlet; 112. a drainage hopper; 12. a discharge chamber; 121. a discharge port; 13. a bearing mount; 14. a feed hopper; 2. a filter cartridge; 21. filtering the strips; 211. an outer circular arc seat; 212. an inner arc seat; 213. a threaded hole; 22. a discharge outlet; 3. a screw shaft; 31. a spiral sheet; 4. a back pressure mechanism; 41. installing a sleeve; 42. a back pressure adjusting bolt; 43. a spring support plate; 44. a spring; 45. a back pressure plate; 5. a motor; 51. a synchronizing wheel; 52. a synchronous belt; 6. a water tank.

Detailed Description

The following describes a specific embodiment of the present embodiment with reference to the drawings.

As shown in fig. 1 to 4, the gap-fixing high-pressure screw extrusion dehydrator of the embodiment includes a housing 1, the housing 1 includes an extrusion chamber 11 and a discharge chamber 12 which are communicated with each other, both ends of the housing 1 are connected with bearing mounting seats 13, a filter cartridge 2 is arranged in the extrusion chamber 11, the filter cartridge 2 is formed by splicing a plurality of filter strips 21, each filter strip 21 is provided with four threaded holes 213, the housing 1 which is matched with the housing is located in the discharge chamber 12 and circumferentially provided with four circles of mounting holes, the mounting holes are connected with mounting plates, the mounting plates are connected with bolts, the bolts are connected with the threaded holes 213 of the filter strips 21, the filter strips 21 include outer circular arc seats 211 and inner circular arc seats 212, side walls on both sides of the inner circular arc seats 212 are inwardly inclined, so that gaps between the filter strips 21 are small and large, and the filter strips 21 are; a screw shaft 3 is arranged in the filter cartridge 2, the screw shaft 3 is connected with a screw plate 31, the screw shaft 3 is rotatably connected with two bearing mounting seats 13 through bearings, one end of the screw shaft 3 extends to the outer side of the shell 1 at one side of the discharging cavity 12 and is connected with a motor 5, the motor 5 is connected with a synchronous wheel 51, and the synchronous wheel 51 is connected with a synchronous gear of the screw shaft 3 through a synchronous belt 52; the shell 1 is positioned on the extrusion cavity 11 and connected with the feed hopper 14, the lower end of the feed hopper 14 extends into the filter cartridge 2, one side of the filter cartridge 2 close to the discharge cavity 12 is provided with a discharge port 22 communicated with the discharge cavity 12, the spiral shaft 3 is positioned in the discharge cavity 12 and connected with a backpressure mechanism 4 for sealing the discharge port 22, the backpressure mechanism 4 comprises a mounting sleeve 41 connected to the spiral shaft 3, the mounting sleeve 41 is connected with a backpressure adjusting bolt 42, the tail end of the backpressure adjusting bolt 42 is propped against one side of a spring supporting plate 43 sleeved on the spiral shaft 3, the other end of the spring supporting plate 43 supports a spring 44, the other end of the spring 44 is connected with a backpressure plate 45 sleeved on the spiral shaft 3, and the backpressure plate 45 seals; the lower end of the discharge cavity 12 is connected with a discharge hole 121, the lower end of the extrusion cavity 11 is connected with a drain hopper 112, the lower end of the drain hopper 112 is provided with a discharge hole 111, and the lower end of the drain hopper 112 is connected with the water tank 6.

The diameter of the screw shaft 3 is continuously increased from the position of the feed hopper 14 to the position of the discharge opening 22, and the distance between the screw plates 31 connected to the screw shaft 3 is continuously reduced from the position of the feed hopper 14 to the position of the discharge opening 22, so that the extrusion space in the extrusion cavity 11 is smaller and smaller, and the moisture in the material is gradually extruded out.

When the high-pressure spiral extrusion dehydrator with the fixed gap is used, the filter strips 21 are connected with the mounting plate through bolts according to the size of the fixed gap, the filter cartridges 2 can be formed by splicing the filter strips 21, then the high-pressure spiral extrusion dehydrator is assembled, the back pressure plate 45 is adjusted, the position of the spring support plate 43 can be adjusted by rotating the back pressure adjusting bolt 42, so that the distance between the spring support plate 43 and the back pressure plate 45 can be adjusted, the spring 44 can be compressed or released, and the pressure of the back pressure plate 45 can be adjusted; after the back pressure regulation is finished, the high-pressure screw extrusion dehydrator can be used for dehydrating materials, the materials enter the filter cylinder 2 from the feed hopper 14, the motor 5 drives the screw shaft 3 to rotate at the same time, the material moves towards the discharge opening 22 in the filter cylinder 2 under the action of the spiral sheets 31, and because the space between the spiral shaft 3 and the adjacent two spiral sheets 31 is gradually reduced, therefore, the materials are continuously extruded, so that the moisture in the materials is continuously extruded out, the moisture is discharged out of the filter cartridge 2 from the gaps between the filter strips 21, enters the extrusion cavity 11 and then flows into the drain hopper 112, finally is discharged from the water outlet 111 and enters the water tank 6 for collection, and the material is conveyed to the discharge opening 22 of the filter cylinder 2 until the pressure of the material breaks through the pressure of the back pressure plate 45, and the material can break through the back pressure plate 45, is discharged from the discharge opening 22, enters the discharge cavity 12, and is finally discharged from the discharge opening 121 of the discharge cavity 12 and collected.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. The utility model provides a high-pressure screw extrusion hydroextractor of fixed gap which characterized in that: including shell (1), including extrusion chamber (11) and row material chamber (12) of intercommunication in shell (1), and shell (1) both ends all connect bearing mount pad (13), set up in extrusion chamber (11) and strain a section of thick bamboo (2), it forms by a plurality of filter strips (21) concatenation to strain a section of thick bamboo (2), just filter strip (21) and shell (1) fixed connection, set up screw axis (3) in straining a section of thick bamboo (2), spiral piece (31) are connected in screw axis (3), and screw axis (3) rotate through the bearing with two bearing mount pads (13) and be connected, and screw axis (3) one end extends to shell (1) and is located row material chamber (12) one side outside to connect motor (5), shell (1) is located extrusion chamber (11) and connects feeder hopper (14), feeder hopper (14) lower extreme extends to in straining a section of thick bamboo (2), strain a section of thick bamboo (2) and be close to arrange the bin material chamber (12) one side and set up the bin outlet that feeds through with row material chamber (12) (12 22) The screw shaft (3) is positioned in the discharge cavity (12) and connected with a back pressure mechanism (4) for sealing the discharge port (22), the lower end of the discharge cavity (12) is connected with a discharge port (121), and the lower end of the extrusion cavity (11) is provided with a water outlet (111).

2. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: every four screw holes (213) are all seted up to filter strip (21), and four rings of mounting holes are seted up to complex shell (1) position in row material chamber (12) circumference, all connect the mounting panel in the mounting hole, connecting bolt on the mounting panel, the bolt is connected with screw hole (213) of filter strip (21).

3. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: the filter strip (21) comprises an outer circular arc seat (211) and an inner circular arc seat (212), and the side walls of the two sides of the inner circular arc seat (212) are inwards inclined, so that the gap between the filter strips (21) is small in size and large in size.

4. A fixed-gap high-pressure screw extruder-extractor according to any of claims 1 to 3, wherein: the filter strip (21) is made of a high-strength steel plate through numerical control machining.

5. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: backpressure mechanism (4) are including being connected to installation cover (41) on screw axis (3), connect backpressure adjusting bolt (42) on installation cover (41), backpressure adjusting bolt (42) tail end top is establishing spring support board (43) one side on screw axis (3) at the cover, spring support board (43) other end supporting spring (44), back pressure board (45) on screw axis (3) are established to spring (44) other end adapter sleeve, bin outlet (22) of straining a section of thick bamboo (2) are sealed in back pressure board (45).

6. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: the diameter of the screw shaft (3) is increased from the position of the feed hopper (14) to the position of the discharge opening (22).

7. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: the space between the connected spiral sheets (31) on the spiral shaft (3) is continuously reduced from the position of the feed hopper (14) to the position of the discharge opening (22).

8. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: the motor (5) is connected with a synchronous wheel (51), and the synchronous wheel (51) is connected with a synchronous gear of the screw shaft (3) through a synchronous belt (52).

9. The gap-fixed high-pressure screw extrusion dehydrator of claim 1, wherein: the lower end of the squeezing cavity (11) is connected with a drainage hopper (112), a drainage outlet (111) is formed in the lower end of the drainage hopper (112), and the lower end of the drainage hopper (112) is connected with a water tank (6).