CN113548753A - Domestic sewage purifying equipment - Google Patents
Domestic sewage purifying equipment Download PDFInfo
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- CN113548753A CN113548753A CN202110919348.0A CN202110919348A CN113548753A CN 113548753 A CN113548753 A CN 113548753A CN 202110919348 A CN202110919348 A CN 202110919348A CN 113548753 A CN113548753 A CN 113548753A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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Abstract
The invention relates to the field of sewage treatment, in particular to domestic sewage purification equipment which comprises a sludge suction pump, a spiral flat conveying device and a residue-liquid separation assembly, wherein a sludge suction port of the sludge suction pump is connected to a flocculation sedimentation tank, a feed inlet is formed in the top of the spiral flat conveying device, the residue-liquid separation assembly comprises an outer support cylinder, a filter cylinder with holes, a driving mechanism and a filter residue conveying mechanism, the outer support cylinder is arranged at the tail end of the spiral flat conveying device, a backflow port is formed in the bottom of the outer support cylinder, the filter cylinder with holes is coaxially arranged on the inner side of the outer support cylinder, the driving mechanism is arranged at the tail end of the outer support cylinder through a support blanking hopper, the driving mechanism is used for driving the filter cylinder with holes to rotate, and the filter residue conveying mechanism is arranged in the outer support cylinder and used for conveying filter residues subjected to centrifugal dewatering into the support blanking hopper. The invention effectively dehydrates the sediment layer generated by flocculation treatment with high efficiency, and can continuously remove the sediment after dehydration out of the cylinder, thereby realizing solid-liquid separation.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to domestic sewage purification equipment.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.
The village and town sewage mainly comprises domestic sewage and agricultural wastewater. The domestic sewage has fixed components, mainly contains organic matters such as carbohydrate, protein, amino acid, fat and the like, is more suitable for the growth of bacteria, and becomes a place for the survival and propagation of bacteria and viruses; but the domestic sewage generally does not contain toxicity, has certain fertilizer efficiency and can be used for irrigating farmlands. The agricultural wastewater has various components, and different treatment methods are needed for wastewater in villages and towns with different development targets in different seasons, different places and different development targets.
The sewage treatment agent has various varieties, and is most commonly used as a flocculating agent, and the flocculating agent can be divided into inorganic flocculating agents and organic flocculating agents. Town domestic sewage concentrates and collects to the subsider and add flocculating agent lamp area deposit the layering after, emits upper clear water to the clear water groove and collects, and still has a lot of moisture in the flocculation particulate matter that forms in the lower floor's deposit layer, consequently need carry out further dehydration to it and separate to reach the effect that the maximize purified sewage.
Disclosure of Invention
In view of the above, the present invention provides a domestic sewage purification apparatus, which is used to solve the defect of insufficient treatment of the lower precipitation layer in the prior art, and effectively dewater the precipitation layer generated by flocculation treatment with high efficiency.
Based on the above object, the present invention provides a domestic sewage purification apparatus, comprising:
the sludge suction pump is connected with the sludge suction port of the sludge suction pump to the flocculation sedimentation tank;
the spiral horizontal conveying device is arranged in a horizontal state, the top of the spiral horizontal conveying device is provided with a feed inlet, and the feed inlet is connected with a water outlet of the sludge suction pump; and the number of the first and second groups,
the slag-liquid separation assembly is arranged at the tail end of the conveying direction of the spiral flat conveying device and comprises:
the outer supporting cylinder is horizontally arranged at the tail end of the spiral flat conveying device, and a backflow port is formed in the bottom of the outer supporting cylinder;
the filter cylinder with the hole is coaxially arranged on the inner side of the outer support cylinder;
the driving mechanism is arranged at the tail end of the outer supporting cylinder through a bracket blanking hopper and is used for driving the filter cylinder with the hole to rotate in the outer supporting cylinder; and the number of the first and second groups,
and the filter residue conveying mechanism is arranged in the outer support cylinder and is used for conveying filter residues subjected to centrifugal dewatering into the support blanking hopper.
Optionally, the outer support cylinder is a cylindrical tubular structure arranged in a horizontal state, one end of the outer support cylinder is fixedly connected with the discharge end of the spiral flat conveying device, a gap is reserved between the inner wall of the outer support cylinder and the outer wall of the filter cylinder with the hole, and the gap forms a centrifugal dehydration interlayer.
Optionally, the filter cylinder with the hole comprises a cylinder body, a first cross-shaped support frame and a central shaft, a plurality of liquid leakage holes are formed in the cylinder wall of the cylinder body, the first cross-shaped support frame is fixedly arranged on the inner side of one end, close to the spiral flat conveying device, of the cylinder body, the central shaft, the first cross-shaped support frame and the cylinder body are arranged in a coaxial mode, one end of the central shaft is fixedly connected with the center of the first cross-shaped support frame, and the other end of the central shaft extends out of the outer support cylinder and is connected with the driving mechanism.
Optionally, the drive mechanism comprises:
the first motor is fixedly arranged at one end of the outer support cylinder, which is far away from the spiral flat conveying device, and an output shaft of the first motor and the central shaft are coaxially arranged;
the shaft coupling is fixedly connected with an output shaft of the first motor and one end of the central shaft; and the number of the first and second groups,
the corrugated protective cover is sleeved outside the coupler, and two ends of the corrugated protective cover are respectively and tightly sleeved on the central shaft and the output shaft of the first motor.
Optionally, the support blanking hopper is of a cover-shaped structure, the diameter of one end of the support blanking hopper is larger than the diameter of the other end of the support blanking hopper, a connecting flange connected with the outer support cylinder is fixedly arranged at the outer edge of the large end of the support blanking hopper, the small end of the support blanking hopper is of a sealing structure, the first motor is fixedly installed on the outer side of the small end of the support blanking hopper, the output shaft of the first motor horizontally penetrates the small end of the support blanking hopper inwards and is connected with the end part of the central shaft, and a blanking notch for enabling filter residues to fall is formed in the bottom of the support blanking hopper.
Optionally, a circular support plate is fixedly arranged at one end, away from the spiral flat conveying device, of the outer support cylinder, a second cross-shaped support frame is formed on the inner side of the circular support plate, the second cross-shaped support frame and the circular support plate are coaxially arranged, one end of the central shaft penetrates through the center of the second cross-shaped support frame, the circular support plate is located between the connecting flange and the end of the outer support cylinder, a limit support ring extending to the inner side of the outer support cylinder is fixedly arranged on one side of the circular support plate, and the outer wall of one end of the filter cylinder with the hole is rotationally attached to the inner wall of the limit support ring.
Optionally, the spiral flat conveying device comprises a shell, a second motor and a first spiral shaft, the shell is arranged in a horizontal state, the first spiral shaft is arranged in a coaxial state and is fixedly arranged on the inner side of the shell, the second motor is fixedly arranged on one side, far away from the outer supporting cylinder, of the shell, one end of the first spiral shaft horizontally extends outwards and is connected with an output shaft of the second motor, one end, close to the outer supporting cylinder, of the shell is of an open structure, a cross supporting frame is fixedly arranged on the inner side of the open end, the other end of the first spiral shaft outwards penetrates through the center of the cross supporting frame, a shaft sleeve is fixedly arranged at one end, extending into the outer supporting cylinder, of the first spiral shaft, and one end of the central shaft can be rotatably inserted into the shaft sleeve.
Optionally, the barrel body is of a conical barrel structure, the small end of the barrel body is arranged towards the spiral flat conveying device, the diameter of the barrel body is gradually increased along the direction towards the first cross-shaped support frame, and the structure forms the filter residue conveying mechanism.
Optionally, the barrel body is of a straight barrel structure, a second screw shaft sleeved on the outer side of the central shaft is arranged on the inner side of the barrel body, the outer edge of the second screw shaft is attached to the inner wall of the barrel body, a spline is formed at one end of the second screw shaft, a spline hole for inserting the spline is formed in the center of the first cross-shaped support frame, and the second screw shaft is the filter residue conveying mechanism.
Optionally, one end cover that the center pin is close to first motor is equipped with one and is used for supplying the thickened bush that the shaft coupling cover was established, all offer the pinhole that is used for supplying the round pin to peg graft on thickened bush and the center pin.
From the above, the domestic sewage purification equipment provided by the invention has the advantages that the sludge pump is used for pumping the precipitation layer in the flocculation tank to the spiral horizontal conveying device, the precipitation layer is further conveyed to the perforated filter cylinder rotating at a high speed for centrifugal dehydration, the separated water flows into the clean water tank for collection after flowing back, meanwhile, the flocculated particles after dehydration are continuously discharged from the cylinder along with the rotation of the perforated filter cylinder for collection, the precipitation layer generated by flocculation treatment is effectively dehydrated efficiently, and simultaneously, the precipitate after dehydration can be continuously discharged from the cylinder, so that solid-liquid separation is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a domestic sewage purification apparatus according to the present invention;
FIG. 2 is a schematic plan view of a domestic sewage purification apparatus according to the present invention;
FIG. 3 is a schematic perspective view of a spiral horizontal conveying device and a slag-liquid separating assembly in the domestic sewage purifying apparatus according to the first embodiment of the present invention;
FIG. 4 is a schematic perspective view of a spiral horizontal conveying device and a slag-liquid separating assembly in the domestic sewage purifying apparatus according to the present invention;
FIG. 5 is an exploded perspective view of the spiral horizontal conveying device and the slag-liquid separating assembly of the domestic sewage purifying apparatus according to the present invention;
fig. 6 is a partially exploded perspective view of the present invention.
Fig. 7 is an enlarged view of a structure at a in fig. 4.
FIG. 8 is a schematic view of a connection structure between a first motor and a central shaft in the domestic sewage purification apparatus of the present invention.
FIG. 9 is a plan sectional view of a spiral flat feeder and a slag-liquid separating unit in a domestic sewage purifying apparatus according to a first embodiment of the present invention.
Fig. 10 is a plan sectional view of the residue conveying mechanism of the spiral flat-conveying device in the second embodiment of the domestic sewage purification apparatus according to the present invention.
Wherein:
1-sludge suction pump; 2-a spiral flat conveying device; 3-a feed inlet; 4-an outer support cylinder; 5-a reflux port; 6-filter cylinder with holes; 7-a support blanking hopper; 8-a drive mechanism; 9-centrifugal dehydration interlayer; 10-a barrel body; 11-a first cross support; 12-a central axis; 13-weep holes; 14-a first electric machine; 15-a coupler; 16-a corrugated shield; 17-a connecting flange; 18-a blanking gap; 19-a circular support plate; 20-a second cross support; 21-a limiting support ring; 22-a housing; 23-a second motor; 24-a first screw axis; 25-thirty-first support frame; 26-shaft sleeve; 27-a second screw axis; 28-spline; 29-splined bore; 30-thickening the lining; 31-pin hole. .
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As a preferred embodiment of the present invention, there is provided a domestic sewage purification apparatus including:
the sludge suction pump is connected with the sludge suction port of the sludge suction pump to the flocculation sedimentation tank;
the spiral horizontal conveying device is arranged in a horizontal state, the top of the spiral horizontal conveying device is provided with a feed inlet, and the feed inlet is connected with a water outlet of the sludge suction pump; and the number of the first and second groups,
the slag-liquid separation assembly is arranged at the tail end of the conveying direction of the spiral flat conveying device and comprises:
the outer supporting cylinder is horizontally arranged at the tail end of the spiral flat conveying device, and a backflow port is formed in the bottom of the outer supporting cylinder;
the filter cylinder with the hole is coaxially arranged on the inner side of the outer support cylinder;
the driving mechanism is arranged at the tail end of the outer supporting cylinder through a bracket blanking hopper and is used for driving the filter cylinder with the hole to rotate in the outer supporting cylinder; and the number of the first and second groups,
and the filter residue conveying mechanism is arranged in the outer support cylinder and is used for conveying filter residues subjected to centrifugal dewatering into the support blanking hopper.
Through this domestic sewage clarification plant, extract to spiral flat conveying device through the deposit layer of sludge pump in with the flocculation basin, and further send to the foraminiferous section of thick bamboo of high-speed rotation and carry out centrifugal dehydration, the moisture of isolating flows into the clean water basin after through the backward flow and collects, the flocculation particulate matter that has taken off water simultaneously can be continuously got rid of the section of thick bamboo along with the rotation of foraminiferous section of thick bamboo and collect outward, effectively carry out high-efficient dehydration to the deposit layer that produces through flocculation treatment, simultaneously can last will take off the deposit of water and get rid of outside the section of thick bamboo, thereby solid-liquid separation has been realized.
The following describes preferred embodiments of the domestic sewage purification apparatus according to the present invention with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 to 9, a domestic sewage purification apparatus includes:
a sludge suction pump 1, the sludge suction port of which is connected to the flocculation sedimentation tank;
the spiral flat conveying device 2 is arranged in a horizontal state, a feeding hole 3 is formed in the top of the spiral flat conveying device, and the feeding hole 3 is connected with a water outlet of the sludge suction pump 1; and the number of the first and second groups,
the slag-liquid separation assembly is arranged at the tail end of the conveying direction of the spiral flat conveying device 2 and comprises:
the outer supporting cylinder 4 is horizontally arranged at the tail end of the spiral flat conveying device 2, and the bottom of the outer supporting cylinder 4 is provided with a backflow port 5;
the filter cylinder 6 with the hole is coaxially arranged on the inner side of the outer support cylinder 4;
a driving mechanism 8 which is arranged at the tail end of the outer supporting cylinder 4 through a bracket blanking hopper 7, and the driving mechanism 8 is used for driving the filter cylinder 6 with holes to rotate in the outer supporting cylinder 4; and the number of the first and second groups,
and the filter residue conveying mechanism is arranged in the outer support cylinder 4 and is used for conveying filter residues subjected to centrifugal dewatering into the support blanking hopper 7.
Before the equipment operation, domestic sewage concentrates and collects to the flocculation and precipitation pond in, after adding the flocculating agent in the pond, carry out the flocculation and precipitation, sewage after the flocculation and precipitation divide into clear water layer and sedimentation layer down, sedimentation layer is flocculation granule sedimentation layer down, in upper clear water layer is discharged to the clear water pond, take out the flocculation granule that contains in the pond through mud suction pump 1 after that, and send into spiral flat conveyor 2 through feed inlet 3, carry out further dehydration separation process through spiral flat conveyor 2 with the flocculation granule forward transport to sediment liquid separation subassembly, concrete process is as follows:
the flocculated particles with water are sent into a residue-liquid separation component, firstly enter a filter cylinder 6 with holes, a driving motor drives the filter cylinder 6 with holes to rotate at a high speed, so that the filter cylinder 6 with holes drives the flocculated particles on the inner side to rotate together, the flocculated particles carry out centrifugal motion in the filter cylinder 6 with holes, in the process, moisture in the flocculated particles is thrown out through centrifugal force, the thrown moisture enters an outer support cylinder 4 and flows out through a backflow port 5 at the bottom, and the backflow port 5 is directly connected to a clean water tank to realize clean water recovery;
when the clear water is recovered, the dewatered flocculated particles gradually move backwards into the support blanking hopper 7 under the action of the filter residue conveying mechanism, so that the dewatered flocculated particles fall from the support blanking hopper 7, and the purpose of solid-liquid separation is further realized.
The outer supporting cylinder 4 is a cylindrical tubular structure arranged in a horizontal state, one end of the outer supporting cylinder is fixedly connected with the discharge end of the spiral flat conveying device 2, a gap is reserved between the inner wall of the outer supporting cylinder 4 and the outer wall of the filter cylinder 6 with the hole, and the gap forms a centrifugal dehydration interlayer 9. The outer supporting cylinder 4 is of a straight-through tubular structure, flocculated particles conveyed by the spiral flat conveying device 2 enter the perforated filter cylinder 6, and in the process of centrifugal dehydration along with the perforated filter cylinder 6, separated water enters the perforated filter cylinder 6 and then enters the centrifugal dehydration interlayer 9, slides downwards along with the inner wall of the outer supporting cylinder 4, and finally is collected through backflow.
The perforated filter cylinder 6 comprises a cylinder body 10, a first cross support frame 11 and a central shaft 12, a plurality of liquid leakage holes 13 are formed in the cylinder wall of the cylinder body 10, in the centrifugal process, moisture in flocculated particles enters a centrifugal dehydration interlayer 9 through the liquid leakage holes 13, the first cross support frame 11 is fixedly arranged at the inner side of one end, close to the spiral flat conveying device 2, of the cylinder body 10, the central shaft 12 is coaxially arranged with the cylinder body 10, one end of the central shaft 12 is fixedly connected with the center of the first cross support frame 11, and the other end of the central shaft extends out of an outer support cylinder 4 and is connected with a driving mechanism 8. Actuating mechanism 8 drives the center pin 12 rotatory, and center pin 12 links to each other with stack shell 10 through first cross support frame 11 again, and consequently actuating mechanism 8 can drive stack shell 10 through center pin 12 and rotate, and then makes the flocculation particulate matter in the stack shell 10 carry out centrifugal motion, realizes the dehydration effect.
The drive mechanism 8 includes:
the first motor 14 is fixedly arranged at one end of the outer support cylinder 4 far away from the spiral flat conveying device 2, and an output shaft of the first motor 14 is coaxially arranged with the central shaft 12;
a coupling 15 fixedly connecting an output shaft of the first motor 14 and one end of the central shaft 12; and the number of the first and second groups,
the corrugated protection cover 16 is sleeved outside the coupler 15, and two ends of the corrugated protection cover 16 are respectively and tightly sleeved on the central shaft 12 and the output shaft of the first motor 14. The corrugated protective cover 16 is used for wrapping the coupler 15, so that sundries are prevented from entering the coupler 15 and being embroidered.
The support blanking hopper 7 is of a cover-shaped structure, the diameter of one end of the support blanking hopper 7 is larger than the diameter of the other end of the support blanking hopper, a connecting flange 17 connected with the outer support barrel 4 is fixedly arranged at the outer edge of the large end of the support blanking hopper 7, the small end of the support blanking hopper is of a sealing structure, the first motor 14 is fixedly arranged at the outer side of the small end of the support blanking hopper 7, an output shaft of the first motor 14 horizontally penetrates through the small end of the support blanking hopper 7 inwards and is connected with the end part of the central shaft 12, and a blanking notch 18 for enabling filter residues to fall is formed in the bottom of the support blanking hopper 7. Support blanking fill 7 passes through flange 17 and 4 fixed connection of outer support tube, first motor 14 fixed mounting is in the outside of support blanking fill 7, thereby guaranteed that first motor 14 can be stable carry out rotary drive to center pin 12, thereby make foraminiferous section of thick bamboo 6 high-speed rotatory, this in-process is under filter residue conveying mechanism's effect, make the flocculate granule after the dehydration get into in the support blanking fill 7, fall down along blanking breach 18 of support blanking fill 7 bottom at last, can set up in the below of blanking breach 18 and connect material basin or conveyer belt and collect or transport.
The fixed ring backup pad 19 that is provided with of one end that keeps away from spiral translation device 2 of an outer support section of thick bamboo 4, the inboard shaping of ring backup pad 19 has a second support frame 20 of type Chinese character' ji, second support frame 20 and ring backup pad 19 coaxial line set up, and the center department of the center pin 20 is passed from to the one end of center pin 12, ring backup pad 19 is located between flange 17 and the tip of an outer support section of thick bamboo 4, one side of ring backup pad 19 is fixed to be provided with one and extends to the inboard limit support ring 21 of an outer support section of thick bamboo 4, the one end outer wall of foraminiferous filter cylinder 6 rotates the laminating with the inner wall of this limit support ring 21. Through the tip at an outer support section of thick bamboo 4 add ring backup pad 19 to carry out the axle head through the center department the second support frame 20 and support the center pin 12 of foraminiferous filter screen, avoid the tip of foraminiferous filter screen to accept flagging, simultaneously, further cooperation limit support ring 21 can provide the tip for foraminiferous filter screen at rotatory in-process and support, further assurance foraminiferous filter cylinder 6's rotational stability.
The spiral flat-conveying device 2 comprises a shell 22, a second motor 23 and a first spiral shaft 24, wherein the shell 22 is arranged in a horizontal state, the first spiral shaft 24 is fixedly arranged on the inner side of the shell 22 in a coaxial state, the second motor 23 is fixedly arranged on one side of the shell 22 far away from the outer support cylinder 4, one end of the first spiral shaft 24 horizontally extends outwards and is connected with an output shaft of the second motor 23, one end of the shell 22 close to the outer support cylinder 4 is of an open structure, a third cross-shaped support frame 25 is fixedly arranged on the inner side of the open end, the other end of the first spiral shaft 24 outwards penetrates through the center of the third cross-shaped support frame 25, one end of the first spiral shaft 24 extending into the outer support cylinder 4 is fixedly sleeved with a shaft sleeve 26, and one end of the central shaft 12 can be rotatably inserted into the shaft sleeve 26. Flocculated particles enter the shell 22 through the feeding hole 3, and are driven to rotate by the second motor 23 along with the first spiral shaft 24, so that flocculated particles in the shell 22 are conveyed forwards along with spiral motion, and enter the perforated filter cylinder 6 at the inner side of the outer support cylinder 4 after passing through the third cross-shaped support frame 25 to prepare for a centrifugal dehydration process, and the shaft sleeve 26 at the end part of the first spiral shaft 24 is used for connecting one end of the central shaft 12 in a shaft mode, so that the effect of supporting the end of the central shaft 12 is achieved, and the end of the central shaft 12 is prevented from falling.
The barrel body 10 is of a straight barrel structure, a second screw shaft 27 sleeved outside the central shaft 12 is arranged on the inner side of the barrel body 10, the outer edge of the second screw shaft 27 is attached to the inner wall of the barrel body 10, a section spline 28 is formed at one end of the second screw shaft 27, a spline hole 29 for inserting the spline 28 is formed at the center of the first cross-shaped support frame 11, and the second screw shaft 27 is the filter residue conveying mechanism. In the process that the first motor 14 drives the perforated filter screen to rotate at a high speed, because the end part of the second spiral shaft 27 is fixedly connected with the first cross support frame 11 by the spline 28, the first cross support frame 11 is fixedly connected with the outer support cylinder 4, so that the second screw shaft 27 is always fixed, and the central shaft 12 rotates at high speed at the inner side of the second screw shaft 27, thereby driving the perforated filter cartridge 6 to rotate at a high speed outside the second screw shaft 27, and since the outside of the second screw shaft 27 is close to the inner wall of the perforated filter cartridge 6, the rotation of the second screw shaft 27 relative to the perforated filter cartridge 6 is equivalent to the rotation of the perforated filter cartridge 6, and then the spiral action is generated to drive the flocculate particles compacted on the inner wall of the filter cylinder 6 with the holes by the centrifugal force to move towards the direction of the bracket blanking hopper 7 until the flocculate particles completely enter the bracket blanking hopper 7 and fall down to realize the separation.
One end of the central shaft 12 close to the first motor 14 is sleeved with a thickened bushing 30 for sleeving the coupler 15, and pin holes 31 for pin insertion are formed in the thickened bushing 30 and the central shaft 12. The central shaft 12 can be connected with a coupling 15 with a corresponding specification through a thickened bush 30 with a corresponding diameter, and the coupling 15 is connected with the thickened bush 30 through a bolt.
The working principle is as follows: before the equipment operation, domestic sewage concentrates and collects to the flocculation sedimentation pond in, after adding the flocculating agent in the pond, carry out the flocculation and precipitation, sewage after the flocculation and precipitation divide into clear water layer and sedimentation layer, sedimentation layer is flocculation granule sedimentation layer, in upper clear water layer is discharged to the clear water pond, take out the moisture flocculation granule in the pond through sludge suction pump 1 after that, and send into spiral flat feeder 2 through feed inlet 3, it is rotatory along with second motor 23 drives first screw axis 24, make the flocculation granule in casing 22 convey along with spiral motion, and in advancing the foraminiferous section of thick bamboo 6 of an inside of outer support section of thick bamboo 4 behind third cross support frame 25, prepare to carry out the centrifugal dehydration process, concrete process is as follows:
the flocculation granule of electrified water is sent into in the sediment liquid separation subassembly, at first get into foraminiferous section of thick bamboo 6 of straining, first motor 14 drives center pin 12 through shaft coupling 15 and rotates, center pin 12 links to each other with stack shell 10 through first cross support frame 11 again, consequently actuating mechanism 8 can drive stack shell 10 through center pin 12 and rotate, and then make the flocculation particulate matter in the stack shell 10 carry out centrifugal motion, realize dewatering effect, at this in-process, throw away the moisture in the flocculation particulate matter through centrifugal force, thereby moisture after throwing away gets into in the outer support section of thick bamboo 4, and 5 outflow of backward flow mouth through the bottom, can realize clear water recovery with 5 lug connection in backward flow mouth to the clean water basin.
When the first motor 14 drives the perforated filter screen to rotate at high speed while the clean water is recovered, since the end of the second screw shaft 27 is fixedly connected with the first cross support bracket 11 by means of the spline 28, the first cross support frame 11 is fixedly connected with the outer support cylinder 4, so that the second screw shaft 27 is always fixed, and the central shaft 12 rotates at high speed at the inner side of the second screw shaft 27, thereby driving the perforated filter cartridge 6 to rotate at a high speed outside the second screw shaft 27, and since the outside of the second screw shaft 27 is close to the inner wall of the perforated filter cartridge 6, the rotation of the second screw shaft 27 relative to the perforated filter cartridge 6 is equivalent to the rotation of the perforated filter cartridge 6, and then the spiral action is generated to drive the flocculate particles compacted on the inner wall of the filter cylinder 6 with the holes by the centrifugal force to move towards the direction of the bracket blanking hopper 7 until the flocculate particles completely enter the bracket blanking hopper 7 and fall down to realize the separation.
The second embodiment is as follows:
the difference from the first embodiment is that the residue conveying mechanism can also remove the second spiral shaft and increase the taper of the perforated filter cartridge 6, so as to achieve the purpose of simplifying the structure, and as shown in a specific manner with reference to fig. 10,
the shaft 10 is of conical configuration and its small end is arranged towards the screw conveyor 2, the diameter of the shaft 10 increasing in the direction towards the first cross support 11, which configuration forms the filter residue transport means described above. The filter residue conveying mechanism with the structure has a simpler structure, can realize the effect of conveying flocculated particles forwards without additionally arranging the second spiral shaft 27, and under the action line of high-speed centrifugal force, the particles in the filter cylinder 6 with holes can gradually move towards the big end until completely entering the support blanking hopper 7.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A domestic sewage purification apparatus, comprising:
the sludge suction pump (1) is connected with a sludge suction port to the flocculation sedimentation tank;
the spiral horizontal conveying device (2) is arranged in a horizontal state, a feeding hole (3) is formed in the top of the spiral horizontal conveying device, and the feeding hole (3) is connected with a water outlet of the sludge suction pump (1); and the number of the first and second groups,
the slag-liquid separation assembly is arranged at the tail end of the conveying direction of the spiral flat conveying device (2) and comprises:
the outer supporting cylinder (4) is horizontally arranged at the tail end of the spiral flat conveying device (2), and a backflow port (5) is formed in the bottom of the outer supporting cylinder (4);
the filter cylinder (6) with the hole is coaxially arranged on the inner side of the outer support cylinder (4);
the driving mechanism (8) is arranged at the tail end of the outer supporting cylinder (4) through a bracket blanking hopper (7), and the driving mechanism (8) is used for driving the filter cylinder (6) with the hole to rotate in the outer supporting cylinder (4); and the number of the first and second groups,
and the filter residue conveying mechanism is arranged in the outer support cylinder (4) and is used for conveying filter residues subjected to centrifugal dewatering into the support blanking hopper (7).
2. The domestic sewage purification apparatus according to claim 1, wherein said outer support cylinder (4) is a cylindrical tubular structure disposed in a horizontal state, one end of the outer support cylinder is fixedly connected to the discharge end of the spiral horizontal conveying device (2), a gap is left between the inner wall of the outer support cylinder (4) and the outer wall of the perforated filter cylinder (6), and the gap forms a centrifugal dewatering interlayer (9).
3. The domestic sewage purification apparatus according to claim 1, wherein the perforated filter cartridge (6) is composed of a cartridge body (10), a first cross support frame (11) and a central shaft (12), a plurality of liquid leakage holes (13) are formed in the cartridge wall of the cartridge body (10), the first cross support frame (11) is fixedly arranged inside one end of the cartridge body (10) close to the spiral flat conveying device (2), the central shaft (12), the first cross support frame (11) and the cartridge body (10) are coaxially arranged, one end of the central shaft (12) is fixedly connected with the center of the first cross support frame (11), and the other end of the central shaft extends out of the outer support cartridge (4) and is connected with the driving mechanism (8).
4. The domestic sewage purification apparatus according to claim 3, wherein said driving mechanism (8) comprises:
the first motor (14) is fixedly arranged at one end, far away from the spiral flat conveying device (2), of the outer supporting cylinder (4), and an output shaft of the first motor (14) is coaxially arranged with the central shaft (12);
the shaft coupling (15) is fixedly connected with an output shaft of the first motor (14) and one end of the central shaft (12); and the number of the first and second groups,
the corrugated protective cover (16) is sleeved on the outer side of the coupler (15), and two ends of the corrugated protective cover (16) are respectively and tightly sleeved on the central shaft (12) and the output shaft of the first motor (14).
5. The domestic sewage purification apparatus according to claim 4, wherein the bracket blanking hopper (7) is of a hood-shaped structure, the diameter of one end of the bracket blanking hopper is larger than the diameter of the other end of the bracket blanking hopper, a connecting flange (17) connected with the outer support cylinder (4) is fixedly arranged at the outer edge of the large end of the bracket blanking hopper (7), the small end of the bracket blanking hopper is of a sealing structure, the first motor (14) is fixedly arranged at the outer side of the small end of the bracket blanking hopper (7), the output shaft of the first motor (14) horizontally penetrates the small end of the bracket blanking hopper (7) inwards and is connected with the end part of the central shaft (12), and a blanking gap (18) for filter residues to fall is formed at the bottom of the bracket blanking hopper (7).
6. The domestic sewage purification apparatus according to claim 5, wherein an annular support plate (19) is fixedly arranged at one end of the outer support cylinder (4) far away from the spiral flat-conveying device (2), a second cross-shaped support frame (20) is formed on the inner side of the circular ring support plate (19), the second cross-shaped support frame (20) and the circular ring support plate (19) are coaxially arranged, and one end of the central shaft (12) passes through the center of the second cross support frame (20), the circular ring supporting plate (19) is positioned between the connecting flange (17) and the end part of the outer supporting cylinder (4), one side of the circular ring support plate (19) is fixedly provided with a limit support ring (21) extending to the inner side of the outer support cylinder (4), the outer wall of one end of the filter cylinder (6) with the hole is rotationally attached to the inner wall of the limiting support ring (21).
7. The domestic sewage purification apparatus according to claim 4, wherein the screw horizontal conveying device (2) comprises a housing (22), a second motor (23) and a first screw shaft (24), the housing (22) is arranged in a horizontal state, the first screw shaft (24) is fixedly arranged at the inner side of the housing (22) in a coaxial state, the second motor (23) is fixedly arranged at one side of the housing (22) far away from the outer support cylinder (4), one end of the first screw shaft (24) horizontally extends outwards and is connected with an output shaft of the second motor (23), one end of the housing (22) close to the outer support cylinder (4) is in an open structure, a cross-shaped support frame (25) is fixedly arranged at the inner side of the open end, and the other end of the first screw shaft (24) outwards passes through the center of the cross-shaped support frame (25), one end of the first spiral shaft (24) extending into the outer supporting cylinder (4) is fixedly sleeved with a shaft sleeve (26), and one end of the central shaft (12) can be rotatably inserted into the shaft sleeve (26).
8. Equipment for the purification of domestic sewage according to claim 3, wherein said tubular body (10) has a conical tubular structure and its small end is arranged towards the screw conveyor (2), the diameter of said tubular body (10) increasing towards the first cross support (11), which structure forms said residue transport means.
9. The domestic sewage purification apparatus according to claim 3, wherein the cylinder (10) is a straight cylinder structure, the inner side of the cylinder (10) is provided with a second screw shaft (27) sleeved outside the central shaft (12), the outer edge of the second screw shaft (27) is attached to the inner wall of the cylinder (10), one end of the second screw shaft (27) is formed with a spline (28), the center of the first cross support frame (11) is formed with a spline hole (29) for inserting the spline (28), and the second screw shaft (27) is the residue conveying mechanism.
10. The domestic sewage purification apparatus according to claim 4, wherein a thickening bush (30) for sleeving the coupling (15) is sleeved on one end of the central shaft (12) close to the first motor (14), and pin holes (31) for pin insertion are formed in the thickening bush (30) and the central shaft (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919348.0A CN113548753A (en) | 2021-08-11 | 2021-08-11 | Domestic sewage purifying equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110919348.0A CN113548753A (en) | 2021-08-11 | 2021-08-11 | Domestic sewage purifying equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115364534A (en) * | 2022-08-23 | 2022-11-22 | 中国建筑第二工程局有限公司 | Sewage treatment equipment, control system and method |
| CN115779876A (en) * | 2022-12-22 | 2023-03-14 | 长江水利委员会长江科学院 | Preparation method of composite material for removing low-concentration phosphorus in natural water and integrated application device |
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| CN206392264U (en) * | 2016-11-02 | 2017-08-11 | 百润红科技有限公司 | A kind of centrifugal filtration device |
| JP2020097027A (en) * | 2019-11-13 | 2020-06-25 | 株式会社クボタ | centrifuge |
| CN212610207U (en) * | 2020-07-06 | 2021-02-26 | 郑碧花 | Sludge treatment device for ecological environmental protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206392264U (en) * | 2016-11-02 | 2017-08-11 | 百润红科技有限公司 | A kind of centrifugal filtration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115364534A (en) * | 2022-08-23 | 2022-11-22 | 中国建筑第二工程局有限公司 | Sewage treatment equipment, control system and method |
| CN115779876A (en) * | 2022-12-22 | 2023-03-14 | 长江水利委员会长江科学院 | Preparation method of composite material for removing low-concentration phosphorus in natural water and integrated application device |
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Application publication date: 20211026 |