CN111392832A - Ash-water separating device - Google Patents
Ash-water separating device Download PDFInfo
- Publication number
- CN111392832A CN111392832A CN201911287729.0A CN201911287729A CN111392832A CN 111392832 A CN111392832 A CN 111392832A CN 201911287729 A CN201911287729 A CN 201911287729A CN 111392832 A CN111392832 A CN 111392832A
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- China
- Prior art keywords
- screw
- ring piece
- sleeve
- ash
- flocculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 44
- 238000005189 flocculation Methods 0.000 claims abstract description 37
- 230000016615 flocculation Effects 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 37
- 238000000926 separation method Methods 0.000 claims abstract description 32
- 239000002893 slag Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 239000010797 grey water Substances 0.000 claims abstract description 9
- 241000537371 Fraxinus caroliniana Species 0.000 claims abstract description 7
- 235000010891 Ptelea trifoliata Nutrition 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 239000008394 flocculating agent Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 17
- 230000004927 fusion Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000004884 grey matter Anatomy 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a grey-water separating device. The traditional water-ash separating device is frequently blocked by a filter screen and a filter tank. The invention adopts two-stage device of flocculation and screw separation for treatment. In the flocculation mixing stirring device, the sewage is fully flocculated, and the fusion state of water and impurities is changed. In the screw rod separation device, impurities such as ash in flocculated sewage are quickly deposited, and the deposited impurities such as ash are rotated and obliquely pulled upwards by the screw rod and the screw to be discharged from the slag discharge port. The water from the moving ring piece with decide the ring piece stack and extrude the concatenation and form and discharge in the sleeve crack, the ring piece with decide eccentric settings between the ring piece, the moving ring piece with constantly produce cutting and radial relative motion between the ring piece, realized the moving ring piece with clearance between the fixed ring piece is not blockked up, has still promoted debris such as ash to the radial motion is made to the screw rod. The invention has the advantages of reasonable structure, good flocculation effect, thorough ash-water separation, reusable separated impurities and the like.
Description
Technical Field
The invention relates to a grey water separating device, in particular to a flocculation and separation device for sewage, and belongs to the technical field of sewage treatment equipment.
Background
The ash-water separator generally adopts an input pump to send dust-containing sewage into an ash-water separator main body, then water and ash in the sewage are separated through the processes of separation, flocculation, re-separation, filtration and the like, then the sewage and dust are respectively further treated, finally the sewage is discharged up to the standard, and the dust and dirt are organic fertilizers or industrial raw materials. It is generally suitable for industrial boiler dust removal, river water purification, underground mine water treatment, rainwater recovery treatment and filtration and the like, and is important equipment for sewage treatment. The equipment integrates filtration and sedimentation, and occupies small area. However, although the traditional grey-water separating device is changed and evolved continuously, the effect is not very ideal, and firstly, the water outlet of the separator is of a water-free groove structure, so that the filtering layer is partially blocked, the running condition of the device is unstable, and the device sometimes cracks due to expansion of the irrigation body; secondly, the water inlet is of a porous pipe structure, and the holes are small, so that the water inlet is frequently blocked, and the normal operation is influenced; thirdly, the water flow from the water outlet to the inclined plate is unstable, which is not beneficial to the sedimentation of suspended matters, so that a large amount of suspended matters are adsorbed on the filter layer, the filter layer is blocked, and the normal operation of the equipment is influenced.
Disclosure of Invention
Aiming at the problems to be solved in the background art, the invention provides a grey water separating device which changes the fusion condition of dust and water in dust-containing sewage by arranging a flocculation mixing stirring device; dust and water in the sewage are separated through the screw separation device, so that ash-water separation is realized.
In order to achieve the above object, the present invention adopts the following technical solution, a grey water separator, comprising: the flocculation mixing stirring device comprises a stirring device and a flocculation tank, the flocculation tank is a tank body provided with a cavity, the middle part of the tank body is provided with the cavity, the tank body is provided with a sewage inlet, a flocculant inlet, a sewage outlet, an overflow port and a slag discharge port, the sewage inlet is connected with a sewage inlet pipeline, the sewage inlet pipeline is provided with a control valve, the flocculant inlet is connected with the flocculant pipeline, the flocculant pipeline is provided with the control valve, the overflow port is connected with the overflow pipeline, the slag discharge port is connected with a slag discharge pipeline, the stirring device comprises a stirring impeller, a stirring impeller shaft and a stirring motor, the stirring impeller is respectively and fixedly arranged at the middle part and the lower part of the stirring impeller shaft, the upper part of the stirring impeller shaft penetrates through the top of the flocculation tank and is fixed on the stirring motor shaft, the stirring motor is fixedly connected to the top of the flocculation box body; the screw rod separator comprises a separation box, a screw extrusion water-ash separator and a cleaning spray pipe, wherein the box body of the separation box is fixedly arranged on a support, the screw extrusion water-ash separator comprises a screw rod, a sleeve support and an extrusion motor, the screw rod comprises a screw and a screw rod shaft, the screw is wound on the screw rod shaft, the screw rod is arranged in the sleeve, the sleeve support comprises a plurality of metal rods, the sleeve is formed by stacking and properly extruding a plurality of movable ring sheets and a plurality of fixed ring sheets at intervals, holes with the quantity equal to that of the metal rods are formed in the outer side of each fixed ring sheet along the circumference, the holes formed in the fixed ring sheets are sleeved on the metal rods, the movable ring sheets are arranged in the space surrounded by the metal rods, the inner diameter of each movable ring sheet is slightly smaller than the outer diameter of the screw, one end of the sleeve is arranged in a high-end and low-inclined inner cavity of the separation box, the lower part of the high end of the sleeve is provided with a waste residue outlet, the two ends of the metal rod are respectively fixed on the two end surfaces of the separation box body, the two ends of the screw shaft respectively penetrate through the corresponding end surfaces of the separation box body, one end of the screw shaft is fixed on the shaft of the extrusion motor, the lower part of the upper end of the sleeve is provided with a waste residue outlet, the cleaning spray pipe is fixed in the separation box body above or laterally above the sleeve, the length direction of the spray pipe is parallel to the length direction of the sleeve, the lowest part of the bottom of the separation box body is provided with a water outlet, and the water outlet is connected with a drainage pipeline; the flocculation mixing and stirring device is connected with the screw separation device through a connecting pipeline.
The screw pitch of the spiral is gradually reduced from bottom to top.
The centers of the movable ring plate and the fixed ring plate are not overlapped.
The position of the center of the movable ring piece is continuously changed along with the rotation of the spiral, the track of the center of the movable ring piece is a circle, and the center of the circle is superposed with the center of the fixed ring piece.
According to the invention, the control valve arranged on the sewage inlet pipeline is opened, sewage enters the inner cavity of the flocculation tank from the sewage inlet pipeline, the control valve on the flocculant pipeline is opened, a flocculant enters the inner cavity of the flocculation tank from the flocculant pipeline, the stirring motor drives the stirring impeller to rotate through the stirring impeller shaft, the sewage and the flocculant in the inner cavity of the flocculation tank are fully stirred and mixed, so that impurities such as ash in the sewage are fully flocculated, the fusion state between the ash and the impurities in the sewage and water is fully changed, and the flocculated dust-containing sewage is conveyed to the sleeve of the spiral extrusion water-ash separator arranged in the inner cavity of the separation tank from the flocculation tank through the connecting pipeline between the flocculation mixing stirring device and the screw separation device. Get into through the quick deposit of debris such as ash in the flocculation sewage in the sleeve, the extrusion motor passes through the screw rod drives the spiral rotates, the spiral is rotatory and the slant upwards spurs with debris such as sedimentary ash, the spiral constantly extrudees at the pivoted in-process the movable ring piece, the movable ring piece with produce relative motion between the fixed ring piece, the water of separating in the sleeve is followed fixed ring piece with discharge between the movable ring piece, the warp separation bottom half portion is equipped with the outlet emits into drainage pipe, debris such as ash by the spiral extrusion drives the sleeve upper end lower part is equipped with the slag notch is discharged.
In the invention, the screw pitch of the spiral is gradually reduced from bottom to top, so that extruded impurities such as gray matter and the like are more and more compact and dry.
In the invention, the sleeve is formed by superposing, extruding and splicing the movable ring piece and the fixed ring piece, and the movable ring piece and the fixed ring piece are eccentrically arranged, so that the movable ring piece and the fixed ring piece are continuously cut and do radial relative motion, the gap between the movable ring piece and the fixed ring piece is not blocked, and impurities such as ash and the like are pushed to radially move towards the screw rod.
The invention has the advantages of reasonable structure, good flocculation effect, thorough ash-water separation, reusable separated impurities and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the present invention.
Fig. 3 is an enlarged view of a portion M of fig. 1.
Fig. 4 is a view from a-a in fig. 3.
Fig. 5 is a view from B-B in fig. 3.
Fig. 6 is a view taken along direction H of fig. 3.
Fig. 7 is an enlarged view of portion G of fig. 3.
Fig. 8 is an enlarged view of a portion a of fig. 7.
In the drawings: the device comprises an extrusion motor 1, a separation box 2, a spray pipe 3, a sleeve 4, a fixed ring piece 5, a movable ring piece 6, a control valve 7, a control valve 9, a control valve 14, a control valve seat 16, a spray pipe control valve seat 10, a sewage outlet 11, a flocculation box 12, a stirring motor 13, a sewage inlet pipeline 15, a flocculating agent pipeline 15, a stirring impeller shaft 17, a stirring impeller 18, an overflow port 19, an overflow pipeline 20, a slag discharge port 21, a slag discharge pipeline 23, a drainage pipeline 24, a water discharge port 25, a slag discharge cover plate 26, a slag discharge groove 27, a screw rod 28, a screw 29 and a metal rod 30.
Detailed Description
The invention is further explained below with reference to the drawings in which:
as shown in the attached drawing, a control valve 14 arranged on a sewage inlet pipeline 13 is opened, sewage enters an inner cavity of a flocculation tank 11 from the sewage inlet pipeline 13, a control valve 16 on a flocculating agent pipeline 15 is opened at the same time, a flocculating agent enters the inner cavity of the flocculation tank 11 from the flocculating agent pipeline 15, a stirring motor 12 drives a stirring impeller 18 to rotate through a stirring impeller shaft 17, the sewage and the flocculating agent in the inner cavity of the flocculation tank 11 are fully stirred and mixed, impurities such as ash in the sewage are fully flocculated, the fusion state between the ash and the impurities in the sewage and water is fully changed, the flocculated dusty sewage passes through a connecting pipeline between a flocculation mixing stirring device and a screw rod separation device, and is conveyed to a sleeve 4 of a spiral extrusion water-ash separator arranged in the inner cavity of a separation tank 2 from the flocculation tank 11. The sewage enters the sleeve 4 and is rapidly deposited by impurities such as ash in the flocculated sewage, the extrusion motor 1 drives the screw 29 to rotate through the screw 28, the screw 29 drives the deposited impurities such as ash to rotate and obliquely and upwards pull, the screw 29 continuously extrudes the movable ring piece 6 in the rotating process, the movable ring piece 6 and the fixed ring piece 5 generate relative motion, the water separated from the sleeve 4 is discharged from the position between the fixed ring piece 5 and the movable ring piece 6 and is discharged into the drainage pipeline 24 through the water outlet 25 arranged at the bottom of the separation box 2, and the impurities such as ash are extruded by the screw 29 to be driven to the slag discharging groove 27 arranged at the lower part of the upper end of the sleeve 4 to be discharged.
As shown in figure 1, during the mixing process of the sewage and the flocculating agent in the flocculation tank 11, if the mixing amount is too large, the mixture can overflow from an overflow port 19 and enter a sewage pool for recycling treatment through an overflow pipeline 20; when the amount of the flocculated sediment of the sewage and the flocculating agent in the flocculation tank 11 reaches a certain amount, the flocculation tank stops working, the control valve 22 is opened, and the sewage in the flocculation tank 11 is discharged out of the flocculation tank 11 from the slag discharge port 21 through the slag discharge pipeline 23.
As shown in fig. 1, the pitch of the spiral 29 gradually decreases from bottom to top, so that the extruded impurities such as ash are more and more dense and dry.
As shown in fig. 1, 3, 4, 5, 6, 7 and 8, the sleeve 4 is formed by superposing, extruding and splicing the movable ring piece 6 and the fixed ring piece 5, and the movable ring piece 6 and the fixed ring piece 5 are eccentrically arranged, so that the movable ring piece 6 and the fixed ring piece 5 are continuously cut and radially move relatively, the gap between the movable ring piece 6 and the fixed ring piece 5 is not blocked, and impurities such as ash are pushed to radially move towards the screw 28.
As shown in fig. 4, the stationary ring 5 is fitted over the metal rod 30.
As shown in fig. 6, 7 and 8, the moving ring plate 6 is clamped between the two fixed ring plates 5 and is limited in the space formed by the metal rods 30, and the moving ring plate moves radially in the space formed by the metal rods 30 by the extrusion of the spiral 29.
As shown in fig. 1, the slag-out cover plate 26 is fixedly connected with the metal rod 30 through a nut, the position of the slag-out cover plate 26 is set to control the water content of the discharged slag, and the discharged slag can be used as an organic fertilizer or a raw material for forming the fertilizer.
As shown in the attached figure 1, the screw separating device is used for a period of time or stops working, the control valves 7 and 9 are opened, and the spray pipe 3 sprays the sleeve 4 and the inner cavity of the separating box 2 to remove impurities in the sleeve. The shower 3 and the control valves 7, 9 are fixed on a shower control valve seat 8.
Claims (4)
1. A grey water separator apparatus comprising: flocculation mixing stirring device, screw rod separator, its characterized in that: the flocculation mixing stirring device comprises a stirring device and a flocculation box, the flocculation box is a box body provided with a cavity, the middle part is the cavity, the box body is provided with a sewage inlet, a flocculating agent inlet, a sewage outlet, an overflow port and a slag discharge port, the sewage inlet is connected with a sewage inlet pipeline, and a control valve is arranged on the sewage inlet pipeline, the flocculating agent inlet is connected with the flocculating agent pipeline, and the flocculant pipeline is provided with a control valve, the overflow port is connected with the overflow pipeline, the slag discharge port is connected with the slag discharge pipeline, the stirring device comprises a stirring impeller, a stirring impeller shaft and a stirring motor, the stirring impeller is respectively and fixedly arranged at the middle part and the lower part of the stirring impeller shaft, the upper part of the stirring impeller shaft penetrates through the top of the flocculation tank body, the stirring motor is fixedly connected to the top of the flocculation box body; the screw rod separator comprises a separation box, a screw extrusion water-ash separator and a cleaning spray pipe, wherein the box body of the separation box is fixedly arranged on a support, the screw extrusion water-ash separator comprises a screw rod, a sleeve support and an extrusion motor, the screw rod comprises a screw and a screw rod shaft, the screw is wound on the screw rod shaft, the screw rod is arranged in the sleeve, the sleeve support comprises a plurality of metal rods, the sleeve is formed by stacking and properly extruding a plurality of movable ring sheets and a plurality of fixed ring sheets at intervals, holes with the quantity equal to that of the metal rods are formed in the outer side of each fixed ring sheet along the circumference, the holes formed in the fixed ring sheets are sleeved on the metal rods, the movable ring sheets are arranged in the space surrounded by the metal rods, the inner diameter of each movable ring sheet is slightly smaller than the outer diameter of the screw, one end of the sleeve is arranged in a high-end and low-inclined inner cavity of the separation box, the lower part of the high end of the sleeve is provided with a waste residue outlet, the two ends of the metal rod are respectively fixed on the two end surfaces of the separation box body, the two ends of the screw shaft respectively penetrate through the corresponding end surfaces of the separation box body, one end of the screw shaft is fixed on the shaft of the extrusion motor, the lower part of the upper end of the sleeve is provided with a waste residue outlet, the cleaning spray pipe is fixed in the separation box body above or laterally above the sleeve, the length direction of the spray pipe is parallel to the length direction of the sleeve, the lowest part of the bottom of the separation box body is provided with a water outlet, and the water outlet is connected with a drainage pipeline; the flocculation mixing and stirring device is connected with the screw separation device through a connecting pipeline.
2. A grey water separator as claimed in claim 1, wherein: the screw pitch of the spiral is gradually reduced from bottom to top.
3. A grey water separator as claimed in claim 1, wherein: the centers of the movable ring plate and the fixed ring plate are not overlapped.
4. A grey water separator as claimed in claim 1, wherein: the position of the center of the movable ring piece is continuously changed along with the rotation of the spiral, the track of the center of the movable ring piece is a circle, and the center of the circle is superposed with the center of the fixed ring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287729.0A CN111392832A (en) | 2020-01-22 | 2020-01-22 | Ash-water separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287729.0A CN111392832A (en) | 2020-01-22 | 2020-01-22 | Ash-water separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111392832A true CN111392832A (en) | 2020-07-10 |
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ID=71418842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911287729.0A Pending CN111392832A (en) | 2020-01-22 | 2020-01-22 | Ash-water separating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111392832A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390507A (en) * | 2020-11-13 | 2021-02-23 | 大庆科恩特环保科技发展有限公司 | Deoiling, desanding and dewatering device and method for light oil sludge of oil field |
| CN114887783A (en) * | 2022-04-26 | 2022-08-12 | 中煤科工集团重庆研究院有限公司 | Spiral centrifugal type slag-water separation device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101106168B1 (en) * | 2011-09-30 | 2012-01-18 | 주식회사 이앤에프 | Screw dehydrator |
| CN203938576U (en) * | 2014-04-25 | 2014-11-12 | 成都凯亚美机械制造有限公司 | A kind of laminated sludge dehydrator that configures concentration tank |
| CN207210242U (en) * | 2017-08-29 | 2018-04-10 | 江苏紫东建筑科技股份有限公司 | A kind of sludge at low temperature drying equipment |
| CN108467175A (en) * | 2018-03-12 | 2018-08-31 | 宜兴市凯利达环保设备有限公司 | Overlapping screwed sludge dewatering equipment technique |
| CN212954453U (en) * | 2019-12-15 | 2021-04-13 | 江苏凯华怡环保实业有限公司 | Ash-water separating device |
-
2020
- 2020-01-22 CN CN201911287729.0A patent/CN111392832A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101106168B1 (en) * | 2011-09-30 | 2012-01-18 | 주식회사 이앤에프 | Screw dehydrator |
| CN203938576U (en) * | 2014-04-25 | 2014-11-12 | 成都凯亚美机械制造有限公司 | A kind of laminated sludge dehydrator that configures concentration tank |
| CN207210242U (en) * | 2017-08-29 | 2018-04-10 | 江苏紫东建筑科技股份有限公司 | A kind of sludge at low temperature drying equipment |
| CN108467175A (en) * | 2018-03-12 | 2018-08-31 | 宜兴市凯利达环保设备有限公司 | Overlapping screwed sludge dewatering equipment technique |
| CN212954453U (en) * | 2019-12-15 | 2021-04-13 | 江苏凯华怡环保实业有限公司 | Ash-water separating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390507A (en) * | 2020-11-13 | 2021-02-23 | 大庆科恩特环保科技发展有限公司 | Deoiling, desanding and dewatering device and method for light oil sludge of oil field |
| CN114887783A (en) * | 2022-04-26 | 2022-08-12 | 中煤科工集团重庆研究院有限公司 | Spiral centrifugal type slag-water separation device |
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Application publication date: 20200710 |