CN215387922U - Solid-liquid separation device for rural domestic sewage treatment - Google Patents

Solid-liquid separation device for rural domestic sewage treatment Download PDF

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Publication number
CN215387922U
CN215387922U CN202120343886.5U CN202120343886U CN215387922U CN 215387922 U CN215387922 U CN 215387922U CN 202120343886 U CN202120343886 U CN 202120343886U CN 215387922 U CN215387922 U CN 215387922U
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China
Prior art keywords
extrusion
box body
liquid separation
solid
shaft
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Expired - Fee Related
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CN202120343886.5U
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Chinese (zh)
Inventor
牛泽南
鲍安红
谢守勇
王春龙
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Southwest University
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Southwest University
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Priority to CN202120343886.5U priority Critical patent/CN215387922U/en
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Publication of CN215387922U publication Critical patent/CN215387922U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to the technical field of sewage treatment solid-liquid separation, in particular to a solid-liquid separation device for rural domestic sewage treatment, which comprises a box body, a driving device, an extrusion dehydration mechanism and a spiral conveying mechanism, and is characterized in that a top cover is installed at the upper end of the box body, a shell is installed at the left side of the box body, a discharge hole is arranged at the lower end of the shell, a motor is installed on the upper surface of the top cover, and an output shaft of the motor is connected with the extrusion dehydration mechanism and the spiral conveying mechanism through a toothed chain mechanism; the extrusion dehydration mechanism is arranged in the box body and is parallel to the top cover; the spiral conveying mechanism is arranged in the box body and is arranged below the extrusion dehydration mechanism in parallel. When the utility model is used, the sludge is dewatered in the extrusion dewatering mechanism and discharged out of the discharge hole, and the separated sewage is secondarily filtered in the spiral conveying mechanism, thus solving the problems of overhigh water content of discharged materials and overhigh content of separated water suspended matters of the existing solid-liquid separation mechanism.

Description

Solid-liquid separation device for rural domestic sewage treatment
Technical Field
The utility model relates to the technical field of solid-liquid separation of sewage treatment, in particular to a solid-liquid separation device for sewage treatment.
Background
Along with the development of rural areas, the sewage and sludge discharge amount of rural areas is increased, domestic sewage in cities and towns can be concentrated in a sewage treatment plant for centralized treatment, and the produced sewage cannot be concentrated in the rural areas due to the lack of a sewage pipe network, so that water resource waste and environmental pollution are caused. The solid-liquid separation device is adopted to carry out solid-liquid separation on the sewage, the water content of discharged materials can be reduced, the separated sludge can be used as a raw material of an organic fertilizer for secondary utilization, the content of suspended matters in the discharged water is reduced, and the pollution to the environment is reduced.
At present, the solid-liquid separator on the market has large volume and high price, and is not suitable for practical application in rural areas. Meanwhile, the single solid-liquid separation mechanism has overhigh water content of discharged materials and overhigh content of suspended matters of separated water, and the treatment effect is not ideal.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the existing defects and provide a solid-liquid separation device for rural domestic sewage treatment, thereby solving the problems.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rural domestic sewage is solid-liquid separation equipment for treatment which characterized in that: comprises a box body, a driving device, an extrusion dehydration mechanism and a spiral conveying mechanism; the upper end of the box body is provided with a top cover, the left side of the box body is provided with a shell, the lower end of the shell is provided with a discharge hole, the driving device comprises a motor and a toothed chain mechanism, the motor is fixedly arranged on the right side of the upper surface of the top cover, and an output shaft of the motor is connected with the screw conveying mechanism of the extrusion dewatering mechanism through the toothed chain mechanism; the extrusion dewatering mechanism comprises a spiral extrusion shaft, a feeding sleeve, a wedge-shaped net barrel and an extrusion discharge port, and is arranged in the box body and parallel to the top cover; the spiral conveying mechanism comprises a conveying shaft and a U-shaped net barrel, and is arranged in the box body and is arranged below the extrusion dehydration mechanism in parallel.
Furthermore, the box body is inclined, and a water outlet in the vertical direction is arranged at the bottom of the box body.
Further, the pan feeding sleeve is three-way structure, including being responsible for and the branch pipe, be responsible for the right side with the box inner wall is fixed, be responsible for the left side with the wedge net section of thick bamboo is connected, the branch pipe is fixed through locating hole connection with the pan feeding mouth, the equipartition has thick hole of permeating water on being responsible for the lower part pipe wall.
Further, the spiral extrusion shaft comprises a main shaft and spiral blades, the shaft diameter of the main shaft is increased along with the material conveying direction, and the blade pitch of the spiral blades is decreased along with the material conveying direction.
Further, extrude the material mouth including location axle, set nut, adjusting nut, extrusion spring, material baffle, extrusion chamber, set nut and adjusting nut threaded connection are epaxial in the location, the extrusion spring housing is established epaxially in the location, right-hand member butt in material baffle, left end butt in adjusting nut one end.
Further, the extrusion chamber outer wall is the toper, the right-hand member with the box outer wall is fixed, the left end face with the material baffle butt, the extrusion intracavity portion is provided with the bearing frame and passes through the support bar with the inner wall and be connected, and the support bar is provided with threely.
Furthermore, a sealing washer is arranged between the spiral extrusion shaft and the inner wall of the box body, and a sealing washer is arranged between the conveying shaft and the inner wall of the box body.
Compared with the prior art, the utility model has the beneficial effects that: this kind of be used for rural domestic sewage treatment to use solid-liquid separation equipment drives screw extrusion axle and carries the axle synchronous revolution through the motor for mud accomplishes the dehydration and discharges the discharge gate in extrusion dewatering mechanism, and the secondary filter is accomplished to the sewage of separating in screw conveying mechanism, solves present solid-liquid separation mechanism ejection of compact water content too high and separates out the too high problem of water suspended solid content.
Drawings
FIGS. 1 and 2 are schematic structural views of a solid-liquid separation device for rural domestic sewage treatment according to the present invention;
FIG. 3 is a schematic structural view of the feeding sleeve according to the present invention;
FIG. 4 is a schematic view of the extrusion discharging hole of the present invention;
FIG. 5 is a schematic view of the structure of a U-shaped mesh drum according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a rural domestic sewage is solid-liquid separation equipment for treatment which characterized in that: comprises a box body 1, a driving device 2, an extruding and dewatering mechanism 3 and a spiral conveying mechanism 4; a top cover 5 is installed at the upper end of the box body 1, a shell 6 is installed at the left side of the box body, a discharge hole 7 is arranged at the lower end of the shell 6, the driving device 2 comprises a motor 21 and a toothed chain mechanism 22, the motor 21 is fixedly installed at the right side of the upper surface of the top cover 5, and an output shaft of the motor 21 is connected with the extrusion dehydration mechanism 3 and the spiral conveying mechanism 4 through the toothed chain mechanism 22; the extrusion dehydration mechanism 3 comprises a spiral extrusion shaft 31, a feeding sleeve 32, a wedge-shaped net barrel 33 and an extrusion material port 34, and the extrusion dehydration mechanism 3 is arranged in the box body 1 and is parallel to the top cover 5; the spiral conveying mechanism 4 comprises a conveying shaft 41 and a U-shaped net barrel 42, the spiral conveying mechanism 4 is installed inside the box body 1 and is arranged below the extrusion dewatering mechanism 3 in parallel, and a motor drives the spiral extrusion shaft and the conveying shaft to rotate synchronously during working.
The main body of the box body 1 is inclined, and a water outlet 11 in the vertical direction is arranged at the bottom of the box body 1. Pan feeding sleeve 32 is three way construction, including being responsible for 321 and branch pipe 322, be responsible for 321 the right side with 1 inner wall of box is fixed, be responsible for 321 the left side with wedge net section of thick bamboo 33 is connected, branch pipe 322 is connected fixedly through locating hole 81 with pan feeding mouth 8, be responsible for the equipartition on the lower part pipe wall of 321 and have thick hole 323 of permeating water. The screw extrusion shaft 31 comprises a main shaft 311 and screw blades 312, the shaft diameter of the main shaft 311 increases along with the material conveying direction, and the blade pitch of the screw blades 312 decreases along with the material conveying direction. The extrusion material outlet 34 comprises a positioning shaft 341, a positioning nut 342, an adjusting nut 343, an extrusion spring 344, a material baffle 345 and an extrusion cavity 346, wherein the positioning nut 342 and the adjusting nut 343 are connected to the positioning shaft 341 in a threaded manner, the extrusion spring 344 is sleeved on the positioning shaft 341, the right end of the extrusion spring abuts against the material baffle 345, and the left end of the extrusion spring abuts against one end of the adjusting nut 343. The outer wall of the extrusion cavity 346 is conical, the right end of the extrusion cavity is fixed with the outer wall of the box body 1, the left end face of the extrusion cavity is abutted to the material baffle 345, a bearing seat 347 is arranged in the extrusion cavity 346 and connected with the inner wall of the extrusion cavity through support bars 348, and the number of the support bars 348 is three. The U-shaped net cylinder 42 is U-shaped in cross section, fine water permeable holes 421 are uniformly distributed in the wall of the U-shaped net cylinder, and the conveying shaft 41 is attached to the inner wall of the U-shaped net cylinder 42. A sealing washer 9 is arranged between the spiral extrusion shaft 31 and the inner wall of the box body 1, and a sealing washer 9 is arranged between the conveying shaft 41 and the inner wall of the box body 1.
The specific principle is as follows: when the solid-liquid separation device is used for carrying out solid-liquid separation on domestic sewage, the device is connected into a sewage treatment system; the motor 21 drives the screw extrusion shaft 31 and the conveying shaft 41 to synchronously rotate, sewage enters the feeding sleeve 32 from the feeding port 8, primary filtration is completed through the coarse water permeable hole 323, the screw extrusion shaft 31 pushes sludge intercepted by the feeding sleeve 32 into the wedge-shaped net barrel 33, further, the sludge intercepted by the wedge-shaped net barrel 33 is pushed to the extrusion port 34 by the screw extrusion shaft 31, the sludge is accumulated in a closed space formed by the extrusion cavity 346 and the material baffle 345, further, the accumulated sludge is extruded and dehydrated in the extrusion cavity 346 under the thrust action of the screw extrusion shaft 31, solids are remained in the extrusion cavity 346, liquid leaks out through the wedge-shaped net barrel 33, further, when the thrust of the accumulated sludge to the material baffle 345 reaches the elastic deformation threshold value of the extrusion spring 344, the material baffle 345 displaces along the positioning shaft 341, the sludge enters the shell 6 through a gap between the material baffle 345 and the extrusion cavity 346, further, under the action of gravity and pushing, the sludge is discharged and collected from a discharge port 7 at the bottom of the shell 6, further, the separated sewage is subjected to secondary filtration in the U-shaped net cylinder 42 through the fine water permeable holes 421, the sewage is discharged from the water outlet 11 and enters a subsequent sewage treatment system, and the sludge intercepted by the U-shaped net cylinder 42 is pushed out of the discharge port 7 by the conveying shaft 41 and is discharged and collected.
This kind of rural domestic sewage is solid-liquid separation equipment for treatment, through extrusion dehydration mechanism and screw conveyer mechanism, can handle the rural domestic sewage of different quality of water simultaneously, and can reduce the suspended solid content in the separation sewage in grades, the box sets up to the slope can improve solid-liquid separation efficiency with the help of the sewage dead weight, and can solve because the too much problem that leads to the mud moisture content high of instantaneous feeding, whole working process only uses a motor as the power supply, the energy consumption is lower, compare with current solid-liquid separation equipment and have compact structure, the treatment effeciency is high, the energy consumption is low, can handle the characteristics of different quality of sewage simultaneously, more be applicable to rural domestic sewage's processing.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a rural domestic sewage is solid-liquid separation equipment for treatment which characterized in that: comprises a box body (1), a driving device (2), an extrusion dewatering mechanism (3) and a spiral conveying mechanism (4);
a top cover (5) is installed at the upper end of the box body (1), a shell (6) is installed on the left side of the box body, a discharge hole (7) is arranged at the lower end of the shell (6), the driving device (2) comprises a motor (21) and a toothed chain mechanism (22), the motor (21) is fixedly installed on the right side of the upper surface of the top cover (5), and an output shaft of the motor (21) is connected with the extrusion dehydration mechanism (3) and the spiral conveying mechanism (4) through the toothed chain mechanism (22); the extrusion dehydration mechanism (3) comprises a spiral extrusion shaft (31), a feeding sleeve (32), a wedge-shaped net barrel (33) and an extrusion material outlet (34), and the extrusion dehydration mechanism (3) is arranged in the box body (1) and is parallel to the top cover (5); the spiral conveying mechanism (4) comprises a conveying shaft (41) and a U-shaped net barrel (42), and the spiral conveying mechanism (4) is installed inside the box body (1) and is arranged below the extrusion dewatering mechanism (3) in parallel.
2. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: the main body of the box body (1) is inclined, and a water outlet (11) in the vertical direction is arranged at the bottom of the box body (1).
3. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: pan feeding sleeve (32) are three way construction, including being responsible for (321) and branch pipe (322), be responsible for (321) right side with box (1) inner wall is fixed, be responsible for (321) left side with wedge net section of thick bamboo (33) are connected, branch pipe (322) are connected fixedly through locating hole (81) with pan feeding mouth (8), the equipartition has thick hole (323) of permeating water on being responsible for (321) lower part pipe wall.
4. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: the spiral extrusion shaft (31) comprises a main shaft (311) and spiral blades (312), the shaft diameter of the main shaft (311) is increased along with the material conveying direction, and the blade pitch of the spiral blades (312) is reduced along with the material conveying direction.
5. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: the extrusion discharge hole (34) comprises a positioning shaft (341), a positioning nut (342), an adjusting nut (343), an extrusion spring (344), a material baffle plate (345) and an extrusion cavity (346), wherein the positioning nut (342) and the adjusting nut (343) are in threaded connection with the positioning shaft (341), the extrusion spring (344) is sleeved on the positioning shaft (341), the right end of the extrusion spring abuts against the material baffle plate (345), and the left end of the extrusion spring abuts against one end of the adjusting nut (343).
6. The solid-liquid separation device for rural domestic sewage treatment according to claim 5, characterized in that: the outer wall of the extrusion cavity (346) is conical, the right end of the extrusion cavity is fixed with the outer wall of the box body (1), the left end face of the extrusion cavity is abutted to the material baffle plate (345), a bearing seat (347) is arranged inside the extrusion cavity (346) and connected with the inner wall of the extrusion cavity through support bars (348), and the number of the support bars (348) is three.
7. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: the cross-sectional shape of U type net section of thick bamboo (42) is "U" type and on the wall equipartition have thin permeable hole (421), carry axle (41) laminating U type net section of thick bamboo (42) inner wall.
8. The solid-liquid separation device for rural domestic sewage treatment according to claim 1, characterized in that: seal washers (9) are installed between the spiral extrusion shaft (31) and the inner wall of the box body (1), and the seal washers (9) are installed between the conveying shaft (41) and the inner wall of the box body (1).
CN202120343886.5U 2021-02-01 2021-02-01 Solid-liquid separation device for rural domestic sewage treatment Expired - Fee Related CN215387922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120343886.5U CN215387922U (en) 2021-02-01 2021-02-01 Solid-liquid separation device for rural domestic sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120343886.5U CN215387922U (en) 2021-02-01 2021-02-01 Solid-liquid separation device for rural domestic sewage treatment

Publications (1)

Publication Number Publication Date
CN215387922U true CN215387922U (en) 2022-01-04

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ID=79666685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120343886.5U Expired - Fee Related CN215387922U (en) 2021-02-01 2021-02-01 Solid-liquid separation device for rural domestic sewage treatment

Country Status (1)

Country Link
CN (1) CN215387922U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196769A (en) * 2022-07-12 2022-10-18 阳城县安阳污水处理有限公司 Grating machine with fishing function for sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196769A (en) * 2022-07-12 2022-10-18 阳城县安阳污水处理有限公司 Grating machine with fishing function for sewage treatment
CN115196769B (en) * 2022-07-12 2024-04-09 阳城县安阳污水处理有限公司 Grid machine for sewage treatment with salvaging function

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220104

CF01 Termination of patent right due to non-payment of annual fee