CN111569502A - Spiral solid-liquid separation device - Google Patents
Spiral solid-liquid separation device Download PDFInfo
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- CN111569502A CN111569502A CN202010530542.5A CN202010530542A CN111569502A CN 111569502 A CN111569502 A CN 111569502A CN 202010530542 A CN202010530542 A CN 202010530542A CN 111569502 A CN111569502 A CN 111569502A
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- 239000007788 liquid Substances 0.000 title claims abstract description 69
- 238000000926 separation method Methods 0.000 title claims abstract description 58
- 238000001914 filtration Methods 0.000 claims abstract description 122
- 239000002893 slag Substances 0.000 claims abstract description 80
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000007599 discharging Methods 0.000 claims abstract description 40
- 239000010865 sewage Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 26
- 230000007547 defect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 30
- 239000002910 solid waste Substances 0.000 description 11
- 238000004062 sedimentation Methods 0.000 description 9
- 239000013049 sediment Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of sewage solid-liquid separation, in particular to a spiral solid-liquid separation device, which comprises a shell, a water inlet, a water outlet, a spiral unit, a power unit for providing power for the spiral unit, a filtering unit and a slag discharging unit, wherein the shell is provided with a water inlet and a water outlet; the filter unit is internally provided with a first filter cavity, the cross section size of the first filter cavity is gradually reduced along the flowing direction of sewage, the water inlet is communicated with the first filter cavity, the spiral unit is arranged in the first filter cavity, the slag discharge unit is movably connected to the tail end of the first filter cavity, and the water outlet is arranged on the shell and communicated between the first filter cavity and the shell. The invention aims to overcome the defect of poor solid-liquid separation effect of the traditional device, and provides the efficient solid-liquid separation device which is simple in structural design, stable and reliable in operation, high in filtering efficiency, good in solid-liquid separation effect, small in occupied area and suitable for high-solid-content sewage treatment, and can continuously and automatically discharge slag.
Description
Technical Field
The invention relates to the technical field of sewage solid-liquid separation, in particular to a spiral solid-liquid separation device.
Background
The solid-liquid separation technology is widely applied to the industrial field, and from chemical industry, mining industry, metallurgy, petroleum, light industry, food, pharmacy to machinery and electronics, the solid-liquid separation is ubiquitous and inexhaustible, and the daily life of each industrial department and people is deeply influenced. Especially in the aspect of wastewater and sewage treatment, the solid-liquid separation technology is not separated. A common solid-liquid separation device in the field of water treatment is a sedimentation tank, but along with the increasing of population centralization degree in recent years, the treatment and recycling rate of water resources in a limited area is forced to be greatly improved, and the existing sedimentation tank cannot meet the requirement of high-rate recycling due to the limited particle sedimentation rate. A large amount of flocculating agents are poured into the sedimentation tank to accelerate the sedimentation process to become the only option, but the amount of slag is also increased, the cleaning period of the sediment in the sedimentation tank is shortened, and the use cost is increased invisibly. In order to ensure the water quality of users, an efficient solid-liquid separation pretreatment device needs to be searched to replace the original natural settling equipment.
The reference (publication number is CN208120788U) discloses a spiral solid-liquid separation slag discharging device, sewage enters the device from a water inlet and flows out through a filtering pore plate, waste slag is pushed to a slag discharging port through a spiral blade and is directly discharged, the waste slag is directly discharged without secondary extrusion filtration, a large amount of water is still remained in the waste slag, and the solid-liquid separation effect is poor.
Disclosure of Invention
The invention aims to overcome the defect of poor solid-liquid separation effect of the traditional device and provide a spiral solid-liquid separation device for improving the solid-liquid separation effect.
In order to solve the technical problems, the invention adopts the technical scheme that:
the spiral solid-liquid separation device comprises a shell with a hollow cavity, a water inlet, a water outlet, a spiral unit, a power unit for providing power for the spiral unit, a filtering unit and a slag discharging unit; the water inlet is arranged on the shell, a first filtering cavity with the section size gradually reduced along the flowing direction of sewage is formed on the inner side of the filtering unit, the water inlet is communicated with the first filtering cavity, the spiral unit is arranged in the first filtering cavity and connected with the power unit, the deslagging unit can be opened or closed and connected to the tail end of the first filtering cavity, and the water outlet is arranged on the shell and communicated between the first filtering cavity and the shell.
When the filter is used, sewage enters the first filtering cavity from the water inlet to be filtered to obtain filtered water and waste residues, the filtered water is discharged from the water outlet, and the waste residues are conveyed to the residue discharge unit through the spiral unit to be discharged.
The spiral solid-liquid separation device can effectively improve the solid-liquid separation effect, has simple structural design, stable and reliable operation, high filtration efficiency and small occupied area, and is suitable for treating sewage with high solid content. Specifically, after the sewage enters the first filtering cavity from the water inlet, the liquid can smoothly pass through the filtering unit due to the blocking of the filtering unit and is discharged from the water outlet; and solid waste residue still remains inside the spiral unit, solid waste residue gets into first filter chamber end under spiral unit's promotion, because arrange the sediment unit and connect in first filter chamber end, arrange the sediment unit and be in closed condition originally, sewage flows in from the water inlet constantly, the waste residue is at first filter chamber end accumulation gradually, and, first filter chamber cross sectional dimension reduces along sewage flow direction gradually, can make the pressure that sewage received in first filter chamber increase gradually, in this process, the pressure that the terminal waste residue of first filter chamber received also increases gradually, the liquid that remains in the waste residue is extruded by the secondary under the pressure, discharge from the delivery port through filter unit, when waiting that the waste residue accumulates to a certain volume, arrange the sediment unit and can open automatically, the waste residue is discharged from row sediment unit at last. The automatic slag discharging unit is favorable for further improving the effect of solid-liquid separation, and particularly, the solid-liquid separation can be more thorough through the extrusion effect on the waste slag, and the liquid components in the waste slag are further reduced. And the slag discharging unit can be automatically opened and closed, and has practicability and convenience. The slag discharging unit and the shell can be fixedly connected or movably connected as long as the opening or closing function can be realized; the slag discharge unit may be intermittently opened when the amount of slag is small, or may be continuously opened when the amount of slag is large. The slag discharging unit can be set to have a structure with a wall scraping function, and solid waste residues remained on the inner side of the filtering unit are scraped by utilizing the contact between the slag discharging unit and the inner wall of the filtering unit in the process of opening or closing the slag discharging function, so that the blockage of the filtering unit is further avoided.
Further, the water inlet is disposed at a front end of the filtering unit in a flow direction of the sewage.
Further, the spiral unit comprises a main shaft and a spiral blade fixed on the main shaft, the main shaft is connected with the power unit, and the outer edge of the spiral blade is attached to the inner wall of the filtering unit.
Further, the first filtering cavity is of a conical structure, and the spiral diameter of the spiral blade is gradually reduced along the sewage flowing direction.
Furthermore, a second filtering cavity is arranged between the shell and the outer side of the filtering unit, and the water outlet is communicated with the second filtering cavity.
Further, the water outlet is formed in the upper portion of the second filtering cavity.
Furthermore, a sealing sheet for sealing the second filtering cavity and the filtering unit is arranged at the position, close to the water inlet end, of the second filtering cavity.
Further, the filter unit comprises a first filter screen close to the helical blade and a second filter screen far away from the helical blade, a plurality of first filter holes are formed in the first filter screen, a plurality of second filter holes are formed in the second filter screen, and the aperture of each first filter hole is larger than that of each second filter hole.
Furthermore, the slag discharging unit comprises a slag discharging valve capable of being automatically opened and closed and a driving motor for providing power for the slag discharging valve, the slag discharging valve is arranged at the tail end of the first filtering cavity and connected with the shell, and the slag discharging valve is connected with the driving motor.
Further, the slag discharge valve is hinged with the shell.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses an efficient solid-liquid separation device which is simple in structural design, capable of continuously and automatically discharging slag, stable and reliable in operation, high in filtering efficiency, good in solid-liquid separation effect, small in occupied area and suitable for high-solid-content sewage treatment. Besides the above beneficial effects, the invention also has the following beneficial effects that the arrangement that the outer edge of the helical blade is attached to the inner wall of the filtering unit can scrape the solid waste attached to the filtering unit by utilizing the helical blade, thereby reducing the blockage of the filtering unit, saving the cleaning cost, simultaneously improving the solid-liquid separation effect and leading the liquid to flow out better. The first filter cavity of toper structure and helical blade complex with it can increase the pressure of first filter cavity bottom, are favorable to the waste residue of first filter cavity bottom to extrude liquid under the pressure effect, promote solid-liquid separation's effect. The second filtering cavity can enable the sewage filtered by the filtering unit to be discharged from the water outlet after standing, precipitating and filtering again.
Drawings
FIG. 1 is a schematic structural view of a spiral solid-liquid separation apparatus according to the present invention;
FIG. 2 is a schematic view of the internal structure of a solid-liquid separation section in example 1 of the present invention;
FIG. 3 is a schematic view of the internal structure of a solid-liquid separation section in example 2 of the present invention;
the graphic symbols are illustrated as follows:
1. a housing; 101. a first filter chamber; 102. a second filtering cavity; 2. a water inlet; 3. a water outlet; 4. a spiral unit; 41. a main shaft; 42. a helical blade; 5. a power unit; 6. a filtration unit; 61. a first filter screen; 62. a second filter screen; 63. a first filtering hole; 64. a second filtering hole; 7. a slag discharge unit; 71. a slag discharge valve; 72. a drive motor; 8. and (7) sealing the sheet.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Example 1
Fig. 1 to 2 show an embodiment 1 of the spiral solid-liquid separation apparatus of the present invention, which includes a casing 1 having a hollow cavity, a water inlet 2, a water outlet 3, a spiral unit 4, a power unit 5 for providing power to the spiral unit, a filtering unit 6, and a slag discharging unit 7; the water inlet 2 is arranged on the shell 1, a first filtering cavity 101 with the section size gradually reduced along the flowing direction of sewage is formed on the inner side of the filtering unit 6, the water inlet 2 is communicated with the first filtering cavity 101, the spiral unit 4 is arranged in the first filtering cavity 101 and is connected with the power unit 5, the slag discharging unit 7 can be opened or closed and is connected to the tail end of the first filtering cavity 101, the water outlet 3 is arranged on the shell 1 and is communicated between the first filtering cavity 101 and the shell 1, sewage enters the first filtering cavity 101 from the water inlet 2 to be filtered to obtain filtered water and waste slag, the filtered water is discharged from the water outlet 3, and the waste slag is conveyed to the slag discharging unit 7 through the spiral unit 4 to be discharged.
The spiral solid-liquid separation device can effectively improve the solid-liquid separation effect, has simple structural design, stable and reliable operation, high filtration efficiency and small occupied area, and is suitable for treating sewage with high solid content. Specifically, after the sewage enters the first filtering cavity 101 from the water inlet 2, the liquid can smoothly pass through the filtering unit 6 due to the blocking of the filtering unit 6 and is discharged from the water outlet 3; while the solid waste residue is still remained in the spiral unit 4, the solid waste residue enters the end of the first filtering cavity 101 under the pushing of the spiral blade 42, since the slag discharging unit 7 is connected to the end of the first filtering chamber 101, the slag discharging unit 7 is initially in a closed state, sewage continuously flows in from the water inlet 2, waste slag is gradually accumulated at the end of the first filtering chamber 101, moreover, the sectional dimension of the first filtering chamber 101 is gradually reduced along the flowing direction of the sewage, so that the pressure of the sewage in the first filtering chamber 101 is gradually increased, in the process, the pressure applied to the waste residue at the tail end of the first filtering cavity 101 is gradually increased, the liquid remained in the waste residue is extruded out for the second time under the action of the pressure and is discharged from the water outlet 3 through the filtering unit 7, when the waste residue is accumulated to a certain amount, the slag discharging unit 7 is automatically opened, and finally the waste residue is discharged from the slag discharging unit 7. The automatic slag discharging unit 7 is favorable for further improving the effect of solid-liquid separation, and particularly, the solid-liquid separation can be more thorough under the extrusion effect of the waste slag, and the liquid components in the waste slag are further reduced. And arrange sediment unit 7 and can open and close automatically, have practicality and convenience. The slag discharging unit 7 and the shell 1 can be fixedly connected or movably connected as long as the opening or closing function can be realized; the slag discharge unit 7 may be intermittently opened when the amount of slag is small, or the slag discharge unit 7 may be continuously opened when the amount of slag is large.
As one of the embodiments provided in the present invention, the water inlet 2 is provided at the front end of the filter unit 6 in the sewage flow direction. The filtering effect of the filtering unit can be fully exerted by the arrangement, and the solid-liquid separation effect is further improved. The sewage flows into the filter unit 6 directly for filtering after flowing in from the water inlet 2. When the spiral solid-liquid separation device is vertically arranged, the water inlet 2 is preferably arranged at the upper part of the device, and the water outlet 3 is arranged below the water inlet 2; when the spiral solid-liquid separation device is horizontally arranged, the water inlet 2 is preferably arranged at the upper part of one side of the device, and the water outlet 3 is arranged at the upper part of the other side of the device. It is within the scope of the person skilled in the art to realise that the water inlet 2 may also be arranged in other parts of the filter unit 6.
As one embodiment of the invention, the spiral unit comprises a main shaft 41 and a spiral blade 42 fixed on the main shaft 41, the main shaft 41 is connected with the power unit 5, and the outer edge of the spiral blade 42 is attached to the inner wall of the filtering unit 6. The solid waste attached to the filtering unit 6 can be scraped by the helical blades 42, the blockage of the filtering unit 6 is reduced, the cleaning cost is saved, and meanwhile, the solid-liquid separation effect can be improved, so that liquid can better flow out. Specifically, sewage flows out after being filtered by the filtering unit 6, solid waste is attached to the inner surface of the filtering unit 6, the spiral blade 42 pushes the waste to the slag discharging unit 7, and meanwhile, the outer edge of the spiral blade 42 is attached to the inner wall of the filtering unit 6, so that the waste attached to the inner surface of the filtering unit 6 can be scraped by the outer edge of the spiral blade 42, a scraper is realized, the blockage of the waste on the filtering unit 6 is reduced, and the sewage can be discharged through the filtering unit 6 more smoothly.
As one embodiment of the present invention, the first filtering chamber 101 has a tapered structure, and the spiral diameter of the spiral blade 42 is gradually reduced along the sewage flowing direction. The first filtering cavity 101 with the conical structure and the helical blade 42 matched with the first filtering cavity can increase the pressure at the bottom of the first filtering cavity 101, so that liquid can be extruded out by waste residues at the bottom of the first filtering cavity 101 under the action of pressure, and the effect of solid-liquid separation is improved. It will be appreciated by those skilled in the art that the first filtration chamber 101 may be formed in other shapes, such as a cylinder, a truncated cone, a rectangular parallelepiped, a cube, or other regular or irregular shapes.
As one embodiment of the present invention, a second filtering cavity 102 is disposed between the housing 1 and the outer side of the filtering unit 6, and the water outlet 3 is communicated with the second filtering cavity 102. The second filtering cavity 102 is arranged to collect the sewage filtered by the filtering unit 6 in the second filtering cavity 102, and the sewage is settled again and then overflows from the water outlet 3, so that the solid-liquid separation effect is improved.
As one of the embodiments provided in the present invention, the water outlet 3 is disposed at the upper portion of the second filtering chamber 102. The setting of delivery port 3 can further promote the sedimentation effect of second filtration cavity 102 to remaining tiny waste residue on upper portion, and the water after the filtration collects and overflows from delivery port 3 after filling up second cavity 102, and it is poor directly from the secondary sedimentation filter effect of the water that flows out above delivery port 3, and the sedimentation filter effect when being in the water of delivery port 3 below toward delivery port 3 flows out is better. Therefore, whether the spiral solid-liquid separation device is vertically or horizontally arranged, the water outlet 3 is preferably arranged at the upper part of the device.
As one of the specific embodiments provided by the present invention, a sealing sheet 8 for sealing the second filtering chamber 102 and the filtering unit 6 is disposed at the end of the second filtering chamber 102 close to the water inlet 2. The sealing sheet 8 can further improve the solid-liquid separation effect, and prevent unfiltered sewage from flowing into the water inlet 2, directly entering the second filtering cavity 102 without being filtered by the filtering unit 6 and then flowing out of the water outlet 3. The sealing plate 8 can play a good role in isolation and blocking.
As one embodiment of the present invention, the residue discharge unit 7 includes a residue discharge valve 71 capable of automatically opening and closing and a driving motor 72 for supplying power to the residue discharge valve 71, the residue discharge valve 71 is disposed at the end of the first filtering chamber 101 and connected to the housing 1, and the residue discharge valve 71 is connected to the driving motor 72. The driving motor 72 provides power for the slag discharging valve 71, so that the slag discharging valve 71 can be automatically opened and closed as required, the continuous automatic slag discharging function is realized, the convenience and the practicability of the device are improved, the solid-liquid separation efficiency of the device can also be improved, and waste residues at the bottom of the spiral unit 4 are ensured to be timely discharged after secondary liquid separation. The slag discharge valve 71 can be made of stainless steel materials, so that the rust is not easy to occur, and the service life is prolonged.
As one embodiment of the invention, the slag discharging unit 7 is movably connected with the shell 1, and the slag discharging valve 71 is hinged with the shell 1. The hinge joint is a common connecting structure, and has the advantages of simple structure, convenient use and low cost, and in the cognitive range of the technical personnel in the field, the connecting mode of the slag discharge valve 71 and the shell 1 is not limited to the hinge joint, and can also be in sliding connection through a sliding groove or rotating connection through a rotating shaft, and other connecting modes can also be adopted, so long as the opening and closing of the slag discharge valve 71 can be realized, and the slag discharge is convenient. The slag discharging unit 7 and the housing 1 may be fixedly connected as long as the slag discharging function is achieved.
As one of the embodiments provided in the present invention, the housing 1 has a cylindrical shape or a truncated cone shape. The first filtering cavity 101 is preferably conical, and the conical or truncated cone-shaped housing 1 can make the whole device small, space-saving and small-occupied area. Other shapes of the housing 1 are also possible within the knowledge of the person skilled in the art.
Example 2
As shown in fig. 3, a spiral solid-liquid separation apparatus in embodiment 2 of the present invention is shown, and the present embodiment has a structure similar to that in embodiment 1, except that the filtering unit 6 includes a first filtering net 61 close to the spiral unit 4 and a second filtering net 62 far from the spiral unit 4, the first filtering net 61 is provided with a plurality of first filtering holes 63, the second filtering net 62 is provided with a plurality of second filtering holes 64, and the aperture of the first filtering holes 63 is larger than that of the second filtering holes 64. The solid-liquid separation effect of the device can be optimized by the arrangement, and particularly, the filtering unit 6 is an important part of the whole device and is related to whether the solid waste can be effectively blocked in the spiral unit 4; set up the double-deck filter screen here for further promoting the filter effect, reduce the outflow of solid as far as possible, first filter screen 61 carries out prefilter earlier, all blocks most solid waste inside first filter screen 61, and second filter screen 62 carries out the secondary filter, blocks the inside at second filter screen 62 with some more tiny granules, just so can ensure not remain solid waste basically from the liquid of delivery port 3 discharge after filter unit 6.
Example 3
The present embodiment has a structure similar to that of embodiment 1, except that the residue discharge unit 7 comprises a baffle plate disposed at the end of the first filtering chamber 101 and fixedly connected to the housing 1, a residue discharge valve 71, and a driving motor 72 for powering the residue discharge valve 71; the baffle is provided with a slag discharge port, the slag discharge valve 71 is movably arranged below the baffle, the slag discharge valve 71 can rotate by taking the rotating shaft as the center, when the rotating position of the slag discharge valve 71 is just below the slag discharge port, the slag discharge port can be blocked to block the discharge of waste slag, and when the rotating position of the slag discharge valve 71 is staggered with the slag discharge port, the waste slag can be smoothly discharged from the slag discharge port. Wherein, the rotating shaft can be vertically arranged on the axis of the baffle and connected with the baffle, and the slag discharge valve 71 horizontally rotates; the rotating shaft can also be horizontally arranged on the shell 1, and the slag discharge valve 71 can vertically rotate.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A spiral solid-liquid separation device is characterized by comprising a shell (1) provided with a hollow cavity, a water inlet (2), a water outlet (3), a spiral unit (4), a power unit (5) for providing power for the spiral unit, a filtering unit (6) and a slag discharging unit (7); the water inlet (2) is arranged in the shell (1), a first filtering cavity (101) with the cross-sectional size gradually reduced along the flowing direction of sewage is formed on the inner side of the filtering unit (6), the water inlet (2) is communicated with the first filtering cavity (101), the spiral unit (4) is arranged in the first filtering cavity (101) and is connected with the power unit (5), the slag discharging unit (7) can be opened or closed and is connected to the tail end of the first filtering cavity (101), and the water outlet (3) is arranged in the shell (1) and is communicated between the first filtering cavity (101) and the shell (1).
2. A spiral solid-liquid separation device according to claim 1, characterized in that the water inlet (2) is arranged at the front end of the filter unit (6) in the sewage flow direction.
3. A spiral solid-liquid separation device according to claim 1, wherein the spiral unit comprises a main shaft (41) and a spiral blade (42) fixed on the main shaft (41), the main shaft (41) is connected with the power unit (5), and the outer edge of the spiral blade (42) is attached to the inner wall of the filtering unit (6).
4. A spiral solid-liquid separation device according to claim 3, wherein the first filtering chamber (101) is of a conical structure, and the spiral diameter of the spiral blade (42) is gradually reduced along the sewage flow direction.
5. A spiral solid-liquid separation device according to any one of claims 1 to 4, characterized in that a second filtering cavity (102) is arranged between the shell (1) and the outside of the filtering unit (6), and the water outlet (3) is communicated with the second filtering cavity (102).
6. A spiral solid-liquid separation device according to claim 5, wherein the water outlet (3) is arranged at the upper part of the second filtering cavity (102).
7. A spiral solid-liquid separation device according to claim 5, wherein a sealing sheet (8) for sealing the second filtering chamber (102) and the filtering unit (6) is arranged at the end of the second filtering chamber (102) close to the water inlet (2).
8. A spiral solid-liquid separation device according to claim 1, wherein the filter unit (6) comprises a first filter screen (61) close to the spiral blade (4) and a second filter screen (62) far away from the spiral blade (4), the first filter screen (61) is provided with a plurality of first filter holes (63), the second filter screen (62) is provided with a plurality of second filter holes (64), and the aperture of the first filter holes (63) is larger than that of the second filter holes (64).
9. The spiral solid-liquid separation device according to claim 1, wherein the slag discharging unit (7) comprises a slag discharging valve (71) capable of automatically opening and closing and a driving motor (72) for providing power to the slag discharging valve (71), the slag discharging valve (71) is arranged at the end of the first filtering chamber (101) and is connected with the casing (1), and the slag discharging valve (71) is connected with the driving motor (72).
10. Spiral solid-liquid separation device according to claim 9, characterized in that the reject valve (71) is hinged to the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (7)
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| CN112169389A (en) * | 2020-10-28 | 2021-01-05 | 唐荣富 | Filtration system for sewage treatment |
| CN112209519A (en) * | 2020-11-05 | 2021-01-12 | 苏州艾捷尔斯生物科技有限公司 | Miscellaneous recovery unit is strained to miscellaneous waste water of environmental protection |
| CN112807791A (en) * | 2021-01-13 | 2021-05-18 | 蚌埠市鑫源机电设备有限公司 | Sewage treatment is with integrative equipment of filtration, dehydration |
| CN113062391A (en) * | 2021-04-07 | 2021-07-02 | 西华大学 | Dredging device and processing system for hydraulic and hydroelectric engineering dam |
| CN113198237A (en) * | 2021-03-25 | 2021-08-03 | 中国船舶重工集团公司第七二五研究所 | Compact seawater filter with online cleaning function |
| CN113413646A (en) * | 2021-05-10 | 2021-09-21 | 北京化工大学 | Supergravity device for solid-liquid separation |
| CN115847902A (en) * | 2022-11-18 | 2023-03-28 | 石家庄茂丰农业机械制造有限公司 | Solid-liquid separation equipment |
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|---|---|---|---|---|
| CN112169389A (en) * | 2020-10-28 | 2021-01-05 | 唐荣富 | Filtration system for sewage treatment |
| CN112209519A (en) * | 2020-11-05 | 2021-01-12 | 苏州艾捷尔斯生物科技有限公司 | Miscellaneous recovery unit is strained to miscellaneous waste water of environmental protection |
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| CN113198237A (en) * | 2021-03-25 | 2021-08-03 | 中国船舶重工集团公司第七二五研究所 | Compact seawater filter with online cleaning function |
| CN113062391A (en) * | 2021-04-07 | 2021-07-02 | 西华大学 | Dredging device and processing system for hydraulic and hydroelectric engineering dam |
| CN113062391B (en) * | 2021-04-07 | 2023-06-09 | 西华大学 | Desilting device and processing system for hydraulic and hydroelectric engineering dam |
| CN113413646A (en) * | 2021-05-10 | 2021-09-21 | 北京化工大学 | Supergravity device for solid-liquid separation |
| CN115847902A (en) * | 2022-11-18 | 2023-03-28 | 石家庄茂丰农业机械制造有限公司 | Solid-liquid separation equipment |
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