CN214726723U - Solid-liquid separation device - Google Patents

Abstract

The utility model relates to a solid-liquid separation device, which comprises an extrusion bin, a sewage collecting box and a pair of roller type extrusion devices, wherein one end of the extrusion bin is provided with a feed inlet, the other end of the extrusion bin is provided with a discharge outlet, the roller type extrusion devices are arranged in a channel between the feed inlet and the discharge outlet, and the bottom surface of the extrusion bin is obliquely arranged; the sewage collecting box is positioned below the double-roller type extrusion device, the top of the sewage collecting box is connected with the bottom of the extrusion bin, and the bottom of the sewage collecting box is provided with a sewage outlet. The utility model has the advantages that: the sewage is subjected to solid-liquid separation in a double-roller extrusion mode, and flows out of the sieve pores arranged on the roller surface, so that the solid-liquid separation effect is good; the hardness of the surface of the upper and lower squeeze rollers is different, and the squeezing force between the upper and lower squeeze rollers can be adjusted, so that the solid in the sewage can be squeezed more fully; and the squeeze roll is wear-resistant and has long service life.

Description

Solid-liquid separation device

Technical Field

The utility model relates to a sewage treatment device technical field particularly, relates to a solid-liquid separation equipment.

Background

When solid-liquid sewage containing fine sand is treated, the fine sand can cause serious abrasion to treatment equipment, particularly when a sewage pump and a spiral extrusion separator are used for treatment, the fine sand can abrade an impeller and a pump shell of the sewage pump, and the fine sand also greatly abrades spiral blades of a spiral extruder.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a processing apparatus who is applicable to and handles husky filth that stand wear and tear.

In order to achieve the purpose, the utility model provides a solid-liquid separation device, which comprises a machine body, a pair of roller type extrusion devices and a sewage collecting box, wherein the machine body comprises an extrusion bin and a sewage collecting box which are formed by surrounding a machine shell; wherein,

a feed port is formed in one end of the extrusion bin, a discharge port is formed in the other end of the extrusion bin, the double-roll type extrusion device is arranged in a channel between the feed port and the discharge port, and the bottom surface of the extrusion bin is obliquely arranged;

the sewage collecting box is positioned below the double-roller type extrusion device, the top of the sewage collecting box is connected with the bottom of the extrusion bin, and the bottom of the sewage collecting box is provided with a sewage outlet.

As the utility model discloses further improve, to roll-type extrusion device includes at least a set of extrusion roller set and drive the actuating mechanism of extrusion roller set, the extrusion roller set includes parallel arrangement's last squeeze roll and lower squeeze roll, go up the squeeze roll with the squeeze roll forms the extrusion passageway in the bottom surface department in extrusion storehouse down, just be equipped with the sieve mesh on the roll surface of lower squeeze roll.

As the utility model discloses further improve, the both ends of squeeze roll are fixed respectively down on the bulkhead in extrusion storehouse, go up the both ends of squeeze roll and connect the fixed arm respectively, the one end of fixed arm is connected in the pivot of going up the squeeze roll, the rotatable fixing of the other end of fixed arm is in on the bulkhead in extrusion storehouse.

As the utility model discloses further improve, the both ends of going up the squeeze roll are equipped with closing device respectively, closing device compress tightly the direction with go up the squeeze roll with the interaxial distance's of squeeze roll connecting wire is unanimous down, closing device is used for adjusting go up the squeeze roll with distance between the squeeze roll down.

As the utility model discloses further improve, actuating mechanism includes speed reducer and driving motor, the extrusion roller set is through one speed reducer and one driving motor drives, the speed reducer is the hard tooth face cycloid speed reducer, driving motor is inverter motor.

As the utility model discloses the further improvement, the extrusion roller set has two sets ofly, including first extrusion roller set and second extrusion roller set, first extrusion roller set with second extrusion roller set installs respectively in proper order in the passageway.

As the utility model discloses further improve, it is soft face squeeze roll to go up the squeeze roll, the squeeze roll is hard face squeeze roll down.

As the utility model discloses further improve, closing device is for compressing tightly the gasbag, the one end that compresses tightly the gasbag is connected go up squeeze roll's pivot tip, the other end that compresses tightly the gasbag is fixed on the baffle, the baffle is fixed on the bulkhead in extrusion storehouse.

As a further improvement, the upper squeeze roll and the lower squeeze roll are stainless steel rolls.

As a further improvement, the feed inlet is provided with a feed hopper, and the opening of the feed hopper is upward.

As the utility model discloses further improve, the aperture of sieve mesh is 0.3 ~ 1.5 mm.

As a further improvement of the utility model, the upper extrusion roller is a steel skeleton polyurethane rubber roller wrapped outside.

As a further improvement, the bottom surface of the extrusion bin is provided with sieve meshes.

The utility model has the advantages that: the sewage is subjected to solid-liquid separation in a double-roller extrusion mode, and flows out of the sieve pores arranged on the roller surface, so that the solid-liquid separation effect is good; the extrusion force between the upper and lower extrusion rollers can be adjusted, and can be adjusted according to the change of the concentration of solid matters in the sewage; the hardness of the upper and lower squeeze rollers is different, so that the solid in the sewage can be squeezed more fully; and the squeeze roll is wear-resistant and has long service life.

Drawings

FIG. 1 is a schematic structural view of a solid-liquid separation apparatus of the present invention;

FIG. 2 is a view taken along line A of FIG. 1;

FIG. 3 is a left side view of the solid-liquid separator of the present invention;

fig. 4 is a rear view of the solid-liquid separator of the present invention.

In the figure: 1. extruding the bin; 2. a feed inlet; 3. a discharge port; 4. extruding the bottom surface of the bin; 5. a feed hopper; 6. an upper squeeze roll; 7. a lower squeeze roll; 8. a fixed arm; 9. a pressing device; 10. a sewage collecting tank; 11. a sewage draining outlet; 12. a drive mechanism; 13. a speed reducer; 14. a drive motor; 15. sewage containing sand.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

It should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. used in the present invention are only for convenience of description and simplification of description based on the directions or positional relationships shown in the drawings, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The solid-liquid separation device of the embodiment of the utility model, as shown in fig. 1-4, comprises a body, the body comprises an extrusion bin 1 and a sewage collecting box 10 which are formed by the enclosure, and a pair of roller type extrusion devices which are arranged in the extrusion bin; wherein,

one end of the extrusion bin 1 is provided with a feed inlet 2, the other end of the extrusion bin 1 is provided with a discharge outlet 3, and the double-roll extrusion device is arranged in a channel between the feed inlet 2 and the discharge outlet 3, and the bottom surface 4 of the extrusion bin is obliquely arranged.

The sewage collecting box 10 is positioned below the double-roller type extrusion device, the top of the sewage collecting box 10 is connected with the bottom of the extrusion bin 1, and the bottom of the sewage collecting box 10 is provided with a sewage outlet 11. The sewage collecting box 10 and the extrusion bin 1 can be of an integrated structure and are divided into an upper part and a lower part by a partition plate, the upper part is the extrusion bin 1, the lower part is the sewage collecting box 10, and the partition plate is the bottom surface 4 of the extrusion bin.

The sewage (sand-containing sewage 15) containing solid matters flows in from the feed inlet 2 and automatically flows into an extrusion channel of the double-roll extrusion device, the solid matters and water in the sewage are separated by the extrusion action of the upper extrusion roll 6 and the lower extrusion roll 7, the sewage flows into the sewage collecting box 10 from a sieve pore of the lower extrusion roll 7, the solid matters after solid-liquid separation flow out from the discharge port 3 under the drive of the extrusion rolls and the action of the inclined bottom surface and enter a special collecting device or are further processed, and the sewage of the sewage collecting box 10 is discharged from a sewage discharge port 11 arranged at the bottom of the sewage collecting box 10 and then is subsequently processed.

In an alternative embodiment, the pair of roller type extrusion devices comprises at least one group of extrusion roller group and a driving mechanism for driving the extrusion roller group, the extrusion roller group comprises an upper extrusion roller and a lower extrusion roller which are arranged in parallel, the upper extrusion roller and the lower extrusion roller form an extrusion channel at the bottom surface of the extrusion bin, and the roller surface of the lower extrusion roller is provided with a sieve pore. The fixed bottom surface below that sets up in extrusion storehouse 1 of squeeze roll 7 down, the bottom surface 4 in extrusion storehouse is equipped with the opening, and the roll surface of squeeze roll 7 is followed the opening part protrusion down, goes up squeeze roll 6 and installs on squeeze roll 7 down, goes up and forms the extrusion passageway between squeeze roll 6 and the squeeze roll 7 down, is equipped with the sieve mesh on the roll surface of squeeze roll 7 down, and the aperture of sieve mesh for example is 0.3 ~ 1.5mm, does benefit to the sewage output after the extrusion. The two ends of the extrusion roller group are rotatably fixed on the bin wall of the extrusion bin 1, the driving mechanism 12 is arranged outside the extrusion bin 1, the output shaft of the driving mechanism 12 is mechanically connected with the rotating shaft of the extrusion roller, the extrusion roller is driven to rotate through the driving mechanism 12, each group of extrusion roller group can be driven by one driving mechanism 12 respectively, and a plurality of groups of extrusion roller groups can be driven by one driving mechanism 12 simultaneously to rotate. The rotation directions of the upper extrusion roller 6 and the lower extrusion roller 7 are both from the feed inlet to the discharge outlet, and the solid is extruded and driven by the extrusion roller group to move to the discharge outlet 3.

In an alternative embodiment, two ends of the rotating shaft of the lower squeeze roller 7 are respectively and rotatably fixed on the bin wall of the squeeze bin 1, two ends of the rotating shaft of the upper squeeze roller 6 are respectively connected with the fixing arm 8, two ends of the rotating shaft of the upper squeeze roller 6 are respectively and rotatably fixed at one end of the fixing arm 8, and the other end of the fixing arm 8 is rotatably fixed on the bin wall of the squeeze bin 1. Will go up squeeze roll 6 through fixed arm 8 and support, the bulkhead junction in fixed arm 8 and extrusion storehouse 1 sets up torque spring for example, effect through torque spring can make fixed arm 8 swing in certain extent, thereby it is adjustable to make the interval of going up squeeze roll 6 and squeeze roll 7 down, avoid the solid matter of big granule in the sewage to cause wearing and tearing to the squeeze roll, compare in the fixed mode of squeeze roll 6 and squeeze roll 7 interval down, wobbling squeeze roll is more difficult for wearing and tearing, the life is more of a specified duration, and the extrusion effect is better, the solid matter in the sewage that can be abundant extrudees.

In an alternative embodiment, the upper squeeze roll 6 is provided at both ends with a respective hold-down device 9, the hold-down direction of the hold-down device 9 corresponding to the line connecting the axial distances of the upper squeeze roll 6 and the lower squeeze roll 7, for example perpendicular to the bottom 4 of the press chamber, and the hold-down device 9 is used to adjust the distance between the upper squeeze roll 6 and the lower squeeze roll 7. The pressing device 9 is, for example, a pressing airbag, one end of the pressing airbag is connected to the end portion of the rotating shaft of the upper squeeze roller 6, the other end of the pressing airbag is fixed on the baffle, the baffle is fixed on the outer wall of the squeezing bin 1, the stretching direction of the pressing airbag is consistent with the connecting line of the axial distance between the upper squeeze roller 6 and the lower squeeze roller 7, the degree of squeezing between the upper squeeze roller and the lower squeeze roller can be correspondingly adjusted according to the change of the concentration of the solid matters in the sewage, and the solid matters in the sewage are squeezed more sufficiently. The pressing device 9 may also be a telescopic mechanism, such as a hydraulic telescopic rod, which can support the squeeze rollers and adjust the distance between the upper and lower squeeze rollers.

In an alternative embodiment, the driving mechanism 12 includes a speed reducer 13 and a driving motor 14, the squeeze roller set is driven by one speed reducer 13 and one driving motor 14, the speed reducer 13 is, for example, a hard tooth surface cycloid speed reducer, the driving motor 14 is, for example, a variable frequency motor, an output shaft of the variable frequency motor is connected with the hard tooth surface cycloid speed reducer, and the squeeze roller set is driven to rotate by the hard tooth surface cycloid speed reducer to provide low-speed and stable power; and the rotating speed of the extrusion roller set can be adjusted by a variable frequency motor.

An optional embodiment, the extrusion roller set has two sets, including first extrusion roller set and second extrusion roller set, and first extrusion roller set and second extrusion roller set install in the passageway in extrusion storehouse 1 respectively in proper order, and the upper and lower squeeze rolls of first extrusion roller set and second squeeze roll set up the upper and lower both sides in 4 bottom surfaces in extrusion storehouse respectively. The first and second squeeze roller groups each include an upper squeeze roller 6, a lower squeeze roller 7, a driving mechanism 12 and a pressing device 9, and the first and second squeeze roller groups can be driven by one driving motor 14 respectively or each squeeze roller can be driven by one driving motor 14. The solid in the sewage is extruded through the two groups of extrusion roller sets, the rotating speeds, the intervals and the extrusion force degrees of the upper extrusion roller 6 and the lower extrusion roller 7 of the first extrusion roller set can be independently adjusted, the rotating speeds, the intervals and the extrusion force degrees of the upper extrusion roller 6 and the lower extrusion roller 7 of the second extrusion roller set can be independently adjusted, and the rotating speeds or the extrusion force degrees of the first extrusion roller set and the second extrusion roller set can be the same or different. For example, if the first compression roller group is disposed on the side close to the throat 2 and the second compression roller group is disposed on the side close to the throat 3, the compression force degree of the second compression roller group may be set to be greater than that of the first compression roller group. The solid in the effectual sewage extrudees for the solid moisture content of output is lower.

In an alternative embodiment, the upper press roll 6 is a soft-sided press roll and the lower press roll 7 is a hard-sided press roll. For example, the upper squeeze roller 6 is a steel skeleton rubber-lined roller, the rubber lining is polyurethane, the polyurethane wraps the surface of the stainless steel roller to form a soft-surface squeeze roller, the lower squeeze roller 7 is a hard-surface squeeze roller, and the surface of the stainless steel roller is uniformly provided with sieve pores with the diameter of 0.3-1.5 mm. Through the configuration of soft face squeeze roll and hard face squeeze roll, can be more abundant extrude the solid matter in the excrement sewage, reduce the wearing and tearing of solid matter to the squeeze roll simultaneously, prolong the life of squeeze roll.

An optional implementation mode, will the embodiment of the utility model provides a solid-liquid separation equipment is used for separating the cowshed and contains the dirty excrement of sand. In northwest areas of China, fine sand is abundant, so that the fine sand is used for replacing cow dung after solid-liquid separation to serve as cow bed padding in local pastures. In the daily activities of cattle, as a small amount of fine sand is inevitably taken into a cow house dung cleaning channel and transferred to a dung collection tank through a one-stage or multi-stage dung cleaning system, sewage in the collection tank is pumped to a spiral extrusion separator through a sewage pump, and in the link, the sand-containing dung sewage has less abrasion to the dung cleaning system. The sewage in the collecting tank is pumped to a spiral extrusion separator by a sewage pump. In this link, fine sand in the sewage greatly damages the impeller and the pump shell of the sewage pump because the blades of the water pump rotate at a high speed. The screw extrusion separator carries out the solid-liquid separation stage. In the link, because the helical blade forms high-strength radial extrusion force (radial thrust) on the excrement, the reverse acting force of the fine sand in the excrement on the helical blade is also great in abrasion on the helical blade of the screw extruder.

Use utility model embodiment solid-liquid separation equipment, the solid matter to in the excrement sewage that can be abundant extrudees, and fine sand in the excrement is low to the degree of wear of squeeze roll, and the long service life of squeeze roll has solved fine sand and to the wearing and tearing of screw extrusion separating centrifuge helical blade, can be applicable to the service environment who contains husky sewage well. The water content of solid matters in the extruded manure is low, and the solid matters can be used as primary raw materials of commercial fertilizers.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A solid-liquid separation device is characterized by comprising a machine body, wherein the machine body comprises an extrusion bin and a sewage collecting box which are formed by being surrounded by a machine shell, and a double-roller type extrusion device which is arranged in the extrusion bin; wherein,

a feed port is formed in one end of the extrusion bin, a discharge port is formed in the other end of the extrusion bin, the roller type extrusion device is arranged in a channel between the feed port and the discharge port, and the bottom surface of the extrusion bin is obliquely arranged;

the sewage collecting box is positioned below the double-roller type extrusion device, the top of the sewage collecting box is connected with the bottom of the extrusion bin, and the bottom of the sewage collecting box is provided with a sewage outlet.

2. The solid-liquid separation device according to claim 1, wherein the pair-roller type squeezing device comprises at least one group of squeezing roller sets and a driving mechanism for driving the squeezing roller sets, the group of squeezing rollers comprises an upper squeezing roller and a lower squeezing roller which are arranged in parallel, the upper squeezing roller and the lower squeezing roller form a squeezing channel at the bottom surface of the squeezing bin, and the roller surface of the lower squeezing roller is provided with a sieve pore.

3. The solid-liquid separation device of claim 2, wherein two ends of the lower squeeze roll are respectively fixed on the bin wall of the squeeze bin, two ends of the upper squeeze roll are respectively connected with a fixed arm, one end of the fixed arm is connected on the rotating shaft of the upper squeeze roll, and the other end of the fixed arm is rotatably fixed on the bin wall of the squeeze bin.

4. The solid-liquid separation device of claim 3, wherein the upper squeeze roll is provided with a compacting device at each end, the compacting direction of the compacting device is consistent with the connecting line of the axial distance between the upper squeeze roll and the lower squeeze roll, and the compacting device is used for adjusting the distance between the upper squeeze roll and the lower squeeze roll.

5. The solid-liquid separation device of claim 2, wherein the driving mechanism comprises a speed reducer and a driving motor, the squeeze roller group is driven by one speed reducer and one driving motor, the speed reducer is a hard tooth surface cycloidal speed reducer, and the driving motor is a variable frequency motor.

6. The solid-liquid separation device of claim 2 wherein the squeeze roller sets are in two sets, including a first squeeze roller set and a second squeeze roller set, the first squeeze roller set and the second squeeze roller set being respectively installed in sequence in the channel.

7. The solid-liquid separation device according to claim 2, wherein the upper squeeze roll is a soft-faced squeeze roll, and the lower squeeze roll is a hard-faced squeeze roll.

8. The solid-liquid separation device of claim 4, wherein the pressing device is a pressing air bag, one end of the pressing air bag is connected to the end part of the rotating shaft of the upper extrusion roller, the other end of the pressing air bag is fixed on a baffle, and the baffle is fixed on the outer wall of the extrusion bin.

9. The solid-liquid separation device according to claim 2, wherein the mesh has a pore diameter of 0.3 to 1.5 mm.

10. The solid-liquid separation device of claim 1, wherein a feed hopper is arranged at the feed inlet, and the opening of the feed hopper faces upwards.

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