CN118253116B - Mechanical pressure filter for water - Google Patents
Mechanical pressure filter for water Download PDFInfo
- Publication number
- CN118253116B CN118253116B CN202410677993.XA CN202410677993A CN118253116B CN 118253116 B CN118253116 B CN 118253116B CN 202410677993 A CN202410677993 A CN 202410677993A CN 118253116 B CN118253116 B CN 118253116B
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- Prior art keywords
- sand
- tank body
- filter
- quartz sand
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 176
- 239000004576 sand Substances 0.000 claims abstract description 102
- 239000006004 Quartz sand Substances 0.000 claims abstract description 74
- 238000001914 filtration Methods 0.000 claims abstract description 61
- 238000005406 washing Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000010865 sewage Substances 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000084 colloidal system Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241001426407 Umbrina coroides Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/18—Combined upward and downward filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/18—Combined upward and downward filtration
- B01D24/183—Combined upward and downward filtration the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4876—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration in which the filtering elements are moved between filtering operations; particular measures for removing or replacing the filtering elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a mechanical pressure filter for water, which comprises a filtering tank body, wherein a sand feeding mechanism and a sand washing mechanism are arranged in the filtering tank body, the sand washing mechanism is in transmission connection with the sand feeding mechanism, a quartz sand filtering layer is arranged in the filtering tank body, and a supporting mechanism for supporting the quartz sand filtering layer is arranged in the filtering tank body; a connecting pipe is arranged in the filtering tank body, and a connecting cylinder is arranged on the connecting pipe; the sand feeding mechanism comprises a driving piece, the output end of the driving piece is provided with a first connecting shaft, and a spiral screen plate for lifting quartz sand and filtering sewage is fixedly connected to the first connecting shaft. The beneficial effects of the invention are as follows: when the quartz sand is hardened due to pollution of sewage, and the quartz sand needs to be cleaned, the quartz sand is directly cleaned aiming at the part of the quartz sand which is firstly contacted with the sewage, so that the water consumption required for cleaning the quartz sand is saved, the cleaned quartz sand is mixed into the quartz sand filter layer, the thickness of the quartz sand filter layer is prevented from changing, and the filtering effect is ensured.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a mechanical pressure filter for water.
Background
The mechanical filter is also called a pressure filter, and is an important component of a pretreatment and water purification system in the earlier stage of pure water preparation. The inside of the filter material is filled with a plurality of specifications of filter materials such as carefully chosen quartz sand, and the like, and the raw liquid is trapped and removed by the filter materials under a certain pressure, so that the purpose of filtering is achieved. The mechanical filter is widely applied to the water treatment process, is mainly used for the water treatment turbidity removal, reverse osmosis and the pre-treatment of an ion exchange softening and desalting system, and can also be used for the aspects of surface water, underground water and the like. Can effectively remove suspended matters, organic matters, colloid, sediment and the like in water.
The utility model discloses a novel grit back flush filter in chinese patent publication No. CN116196693a, including the sand filter barrel, sand filter barrel top side is equipped with the manhole that charges, be equipped with one-level quartz sand in the sand filter barrel and filter sand bed, one-level quartz sand filters sand bed and separates sand filter barrel into upper space and lower space, be connected with on-the-spot or teletransmission manometer on the sand filter barrel of lower space, be equipped with second grade precision filter screen filter unit in the lower space, second grade precision filter screen filter unit includes the filter tube, be equipped with a plurality of import and import in being equipped with the filter on the filter tube, the filter tube lower extreme is connected with No. two pipeline after passing sand filter barrel bottom and stretches out, sand filter barrel top is connected with No. one pipeline, be connected with No. one pipeline between the medium entry of No. one pipeline and No. two pipeline's medium export.
However, compared with the prior art and the comparison scheme, the novel sand backwash filter has the following problems in the actual use process:
Along with the increase of the service time, the quartz sand filter layer can be polluted by suspended matters, sludge, colloid and other impurities in water and agglomerate, a large amount of water and gas are needed to carry out sand loosening and back flushing on the filter layer to ensure the filtering effect of the quartz sand filter layer, the novel sand back flushing filter is compared with the filter in the prior art, when the novel sand back flushing filter is used, sewage enters from the top of the filter and flows out from the bottom, the sewage is filtered mainly by the quartz sand which is contacted with the sewage at the top of the quartz sand filter layer first, when the back flushing and sand loosening are carried out, the quartz sand which is needed to be cleaned at the top of the quartz sand filter layer is finally contacted with purified water, and after the back flushing water reaches the top of the filter cylinder body in the back flushing process, the back flushing effect of the quartz sand filter layer is possibly influenced, and the discharged back flushing water can contain part of sand after the back flushing occurs, so that the thickness of the quartz sand filter layer is reduced, and the filtering effect is influenced.
Accordingly, the present application proposes a mechanical pressure filter for water to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a mechanical pressure filter for water, which aims to solve the technical problems in the background technology.
The invention relates to a mechanical pressure filter for water, which adopts the following technical scheme: the sand washing device comprises a filtering tank body, wherein a sand feeding mechanism and a sand washing mechanism are arranged in the filtering tank body, the sand washing mechanism is in transmission connection with the sand feeding mechanism, a quartz sand filtering layer is arranged in the filtering tank body, and a supporting mechanism for supporting the quartz sand filtering layer is arranged in the filtering tank body;
The inside of the filtering tank body is provided with a connecting pipe, one end of the connecting pipe is fixedly connected with a sewage inlet pipe, one end of the sewage inlet pipe, which is far away from the connecting pipe, is positioned outside the filtering tank body, a sand blocking net is arranged between the sewage inlet pipe and the connecting pipe, the inside of the connecting pipe is fixedly connected with a first connecting shell, and a connecting cylinder is arranged on the connecting pipe;
The sand feeding mechanism comprises a driving piece, the output end of the driving piece is provided with a first connecting shaft, a spiral screen plate used for lifting quartz sand and filtering sewage is fixedly connected to the first connecting shaft, the spiral screen plate is positioned in the connecting pipe, and one end, far away from the driving piece, of the first connecting shaft is fixedly connected with a first driving wheel;
the sand washing mechanism comprises a second connecting shaft, one end of the second connecting shaft is fixedly connected with a second driving wheel, one end of the second connecting shaft, which is far away from the second driving wheel, is fixedly connected with a connecting frame, the connecting frame is a hollowed-out frame, one side of the connecting frame, which is far away from the second connecting shaft, is fixedly connected with a sand washing net barrel, the inside of the sand washing net barrel is fixedly connected with a spiral sand guide plate, a connecting ring is arranged on the sand washing net barrel, and the sand washing net barrel is rotationally connected inside the connecting barrel through the connecting ring.
Further, be provided with first manhole, second manhole and sand inlet on the filtration jar body, filter the jar body on fixedly connected with outlet pipe, filter the bottom fixedly connected with sediment outflow pipe of jar body, filter the inside of jar body and be provided with the second coupling shell.
Further, a valve is arranged between the connecting cylinder and the connecting pipe, the connecting cylinder is fixedly connected with a sand washing water inlet pipe and a sand washing water drain pipe, and one ends of the sand washing water inlet pipe and the sand washing water drain pipe, which are far away from the connecting cylinder, are all positioned outside the filtering tank body.
Further, the first driving wheel is located in the first connecting shell, and one end, close to the first driving wheel, of the first connecting shaft is connected with the first connecting shell in a rotating mode.
Further, the second driving wheel is positioned in the first connecting shell and is in driving connection with the first driving wheel.
Further, the supporting mechanism comprises a supporting plate, and a driving rod is arranged at the bottom of the supporting plate.
Further, the edge of backup pad is provided with the sealing strip, and the position of backup pad corresponds with the position of second coupling shell, and the backup pad articulates in the inside of filtering jar body.
Further, the output end of the driving rod is hinged with one side, far away from the filtering tank body, of the bottom of the supporting plate, and one end, far away from the supporting plate, of the driving rod is hinged inside the filtering tank body.
Further, the driving piece is fixedly arranged in the second connecting shell, and one end, close to the driving piece, of the first connecting shaft is rotationally connected with the second connecting shell.
The beneficial effects of the invention are as follows: through setting up sand feeding mechanism and sand washing mechanism, when the quartz sand appears hardening by the pollution of sewage, when needs clear up the quartz sand, directly washs to the part quartz sand of first contact sewage, has saved the required water consumption of wasing the quartz sand, and quartz sand after the washing mixes quartz sand filtering layer again, avoids the thickness of quartz sand filtering layer to appear changing, has ensured filterable effect.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of the flow path of the wastewater during the filtration process according to the embodiment of the present invention;
FIG. 4 is a schematic view of the movement path of the quartz sand during the process of cleaning the quartz sand filter layer according to the embodiment of the invention;
FIG. 5 is a schematic cross-sectional view of a quartz sand filter layer being replaced in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of a filter tank according to an embodiment of the present invention;
FIG. 7 is a schematic view of a partial cross-sectional structure of a filtration tank according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a filtration tank according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a sand feeding mechanism according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional structural view of a sand washing mechanism according to an embodiment of the present invention;
Fig. 11 is a schematic structural view of a supporting mechanism according to an embodiment of the present invention.
In the figure: 1. a filtering tank body; 11. a first manhole; 12. a second manhole; 13. a sand inlet; 14. a water outlet pipe; 15. a sand discharge pipe; 16. a connecting pipe; 161. a sewage inlet pipe; 162. a first connection housing; 17. a connecting cylinder; 171. a valve; 172. a sand washing water inlet pipe; 173. a sand washing drain pipe; 18. a second connection housing; 2. a sand feeding mechanism; 201. a driving member; 202. a first connecting shaft; 203. a spiral screen; 204. a first driving wheel; 3. a sand washing mechanism; 301. a second connecting shaft; 302. a second driving wheel; 303. a connecting frame; 304. a sand washing net drum; 305. a spiral sand guide plate; 306. a connecting ring; 4. a quartz sand filter layer; 5. a support mechanism; 501. a support plate; 502. and a driving rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the mechanical pressure filter for water comprises a filter tank body 1, wherein a sand feeding mechanism 2 and a sand washing mechanism 3 are arranged in the filter tank body 1, the sand washing mechanism 3 is in transmission connection with the sand feeding mechanism 2, a quartz sand filtering layer 4 is arranged in the filter tank body 1, supporting mechanisms 5 for supporting the quartz sand filtering layer 4 are arranged in the filter tank body 1, the number of the supporting mechanisms 5 is multiple, and the circumference array is arranged in the filter tank body 1.
As shown in fig. 6 to 8, be provided with first manhole 11, second manhole 12 and sand inlet 13 on the filtration jar body 1, first manway 11 is located the top of filtration jar body 1, be convenient for the staff get into and overhaul sand washing mechanism 3, second manhole 12 is located the bottom of filtration jar body 1, be convenient for the staff get into and overhaul sand feeding mechanism 2 and supporting mechanism 5, be provided with sealed lid on sand inlet 13, fixedly connected with outlet pipe 14 on the filtration jar body 1, the bottom fixedly connected with sand discharge tube 15 of filtration jar body 1, the inside of filtration jar body 1 is provided with connecting pipe 16, the one end fixedly connected with sewage inlet tube 161 of connecting pipe 16, the one end that sewage inlet tube 161 kept away from connecting pipe 16 is located the outside of filtration jar body 1, be provided with the fender sand net between sewage inlet tube 161 and the connecting pipe 16, the inside fixedly connected with first coupling shell 162 of connecting pipe 16, be provided with connecting tube 17 on the connecting pipe 16, the quantity of connecting tube 17 is a plurality of, circumference array is on connecting pipe 16, the quantity of sand washing mechanism 3 is the same as the quantity of connecting tube 17, be provided with valve 17 and connecting tube 17 on connecting tube 16, be provided with the valve 17 and connecting tube 173, the inside of two water inlet tube 172 is located the two water inlet tube 173 and is located the outside of the filtration jar 1, the two water inlet tube 1 is connected with the second water inlet tube 173, the inside of the two water inlet tube is located at the inside of the filter jar body 1, the filter jar body is connected with the two water inlet tube 173, and is located at the inside of the bottom of the filter jar body is located at the bottom of the filter jar 1, and is located at the bottom of the filter tank 1, and is located at the bottom of the filter tank is located at the bottom.
As shown in fig. 1, 8 and 9, the sand feeding mechanism 2 comprises a driving member 201, a first connecting shaft 202, a spiral screen 203 and a first driving wheel 204, wherein the driving member 201 is fixedly installed inside the second connecting shell 18, the output end of the driving member 201 is provided with the first connecting shaft 202, one end of the first connecting shaft 202, which is close to the driving member 201, is rotationally connected with the second connecting shell 18, the first connecting shaft 202 is fixedly connected with the spiral screen 203 for lifting quartz sand and filtering sewage, the spiral screen 203 is located inside the connecting tube 16, one end of the first connecting shaft 202, which is far away from the driving member 201, is fixedly connected with the first driving wheel 204, the first driving wheel 204 is located inside the first connecting shell 162, and one end of the first connecting shaft 202, which is close to the first driving wheel 204, is rotationally connected with the first connecting shell 162.
As shown in fig. 1, 8, 9 and 10, the sand washing mechanism 3 comprises a second connecting shaft 301, a second driving wheel 302, a connecting frame 303, a sand washing net drum 304, a spiral sand guide plate 305 and a connecting ring 306, wherein one end of the second connecting shaft 301 is fixedly connected with the second driving wheel 302, the second driving wheel 302 is positioned in the first connecting shell 162, the second driving wheel 302 is in transmission connection with the first driving wheel 204, the first driving wheel 204 and the second driving wheel 302 are both gears or rubber wheels, when the first driving wheel 204 and the second driving wheel 302 are both gears, meshing transmission is realized between the first driving wheel 204 and the second driving wheel 302, when the first driving wheel 204 and the second driving wheel 302 are both rubber wheels, friction transmission is realized between the first driving wheel 204 and the second driving wheel 302, one end of the second connecting shaft 301, which is far away from the second driving wheel 302, is fixedly connected with the connecting frame 303, so that quartz sand passes through the connecting frame 303, one side, which is far away from the second connecting shaft 301, is fixedly connected with the net drum 304, when the first driving wheel 204 and the second driving wheel 302 are both gears, is in transmission, the second driving wheel 302 is in transmission, the friction transmission is realized between the first driving wheel 204 and the second driving wheel 302, the second driving wheel 302 is in transmission state, the friction transmission is in friction transmission between the second driving wheel 302, the second driving wheel 302 and the second driving wheel 302 is in transmission state, the transmission of friction transmission is respectively, the second driving wheel is fixedly connected with the second driving wheel 302, and the second driving drum 304, and the sand through the second driving net drum, and the sand washing net drum and the sand drum, and the sand washing net drum 17.
As shown in fig. 1, 5, 8 and 11, the supporting mechanism 5 comprises a supporting plate 501 and a driving rod 502, a sealing strip is arranged at the edge of the supporting plate 501, the position of the supporting plate 501 corresponds to that of the second connecting shell 18, the supporting plate 501 is hinged inside the filtering tank body 1, the driving rod 502 is arranged at the bottom of the supporting plate 501, the output end of the driving rod 502 is hinged with one side of the bottom of the supporting plate 501, and one end of the driving rod 502 away from the supporting plate 501 is hinged inside the filtering tank body 1.
The working process is as follows:
s1, before use, a driving piece 201 is started, the driving piece 201 drives a spiral screen 203 to rotate through a first connecting shaft 202, part of quartz sand at the bottom of a quartz sand filter layer 4 is lifted into a connecting pipe 16, and then the driving piece 201 is closed;
S2, when the sewage treatment device is used, after being pressurized, sewage enters the connecting pipe 16 from the sewage inlet pipe 161, after being filtered by the quartz sand and the spiral screen 203 in the connecting pipe 16, the sewage flows out from one end of the connecting pipe 16 far away from the sewage inlet pipe 161, reaches the bottom of the quartz sand filter layer 4, after being filtered again by the quartz sand filter layer 4, the sewage seeps out from the top of the quartz sand filter layer 4, and the filtered water is discharged from the water outlet pipe 14 (shown in figure 3);
S3, along with the increase of the amount of filtered sewage, when the polluted water of quartz sand in the connecting pipe 16 is hardened and the quartz sand needs to be cleaned, the entry of the sewage is suspended, the valve 171 is opened, the driving piece 201 is started, the driving piece 201 drives the spiral screen 203 to rotate and the first driving wheel 204 through the first connecting shaft 202, the hardened quartz sand is lifted, and the quartz sand is rubbed with each other in the lifting process, so that the hardening is relieved;
S4, lifting part of quartz sand at the bottom of the quartz sand filter layer 4 to the inside of the connecting pipe 16, enabling the hardened quartz sand to be lifted by the follow-up quartz sand to enter the connecting cylinder 17 from the valve 171, enabling the quartz sand to enter the sand washing net cylinder 304 through the hollowed connecting frame 303, enabling the first driving wheel 204 to drive the second connecting shaft 301 to rotate through the second driving wheel 302, and enabling the second connecting shaft 301 to drive the sand washing net cylinder 304 to rotate through the connecting frame 303;
S5, adding purified water into the connecting cylinder 17 from the sand washing water inlet pipe 172, rotating the sand washing net cylinder 304 to drive the quartz sand to roll, rubbing the quartz sand to roll in the process of rolling, cleaning suspended matters, sludge, colloid and other impurities attached to the quartz sand to mix into the purified water, discharging sewage generated by sand washing from the sand washing water outlet pipe 173, directly washing part of the quartz sand firstly contacted with the sewage, saving water consumption required for washing the quartz sand, along with continuous entering of the quartz sand, under the lifting of a follow-up quartz sand pushing and spiral sand guide plate 305, the cleaned sand firstly enters the sand washing net cylinder 304 to fall back between the filtering tank body 1 and the connecting pipe 16 from the edge of the sand washing net cylinder 304, and mixing into the quartz sand filtering layer 4 (as shown in figure 4), avoiding the thickness change of the quartz sand filtering layer 4, and ensuring the filtering effect;
S6, when the quartz sand filter layer 4 needs to be replaced integrally along with the increase of the service time, the driving rod 502 is started to shrink to drive the supporting plate 501 to rotate, the quartz sand filter layer 4 is not supported any more, the quartz sand filter layer 4 falls under the action of gravity, and is discharged from the sand discharge pipe 15;
and S7, after the quartz sand filter layer 4 is completely discharged, starting the driving rod 502 to expand to drive the supporting plate 501 to rotate, so that a closed space is formed between the supporting plate 501 and the filtering tank body 1, new quartz sand is added into the filtering tank body 1 from the sand inlet 13, and then the new quartz sand filter layer 4 can be formed, and the replacement of the quartz sand filter layer 4 is completed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. A mechanical pressure filter for water, characterized by: the sand washing device comprises a filtering tank body, wherein a sand feeding mechanism and a sand washing mechanism are arranged in the filtering tank body, the sand washing mechanism is in transmission connection with the sand feeding mechanism, a quartz sand filtering layer is arranged in the filtering tank body, and a supporting mechanism for supporting the quartz sand filtering layer is arranged in the filtering tank body;
the filter tank is characterized in that a connecting pipe is arranged in the filter tank body, one end of the connecting pipe is fixedly connected with a sewage inlet pipe, one end of the sewage inlet pipe, which is far away from the connecting pipe, is positioned outside the filter tank body, a sand blocking net is arranged between the sewage inlet pipe and the connecting pipe, a first connecting shell is fixedly connected in the connecting pipe, and a connecting cylinder is arranged on the connecting pipe;
The sand feeding mechanism comprises a driving piece, a first connecting shaft is arranged at the output end of the driving piece, a spiral screen plate used for lifting quartz sand and filtering sewage is fixedly connected to the first connecting shaft, the spiral screen plate is positioned in the connecting pipe, and a first driving wheel is fixedly connected to one end, far away from the driving piece, of the first connecting shaft;
The sand washing mechanism comprises a second connecting shaft, one end of the second connecting shaft is fixedly connected with a second driving wheel, the second connecting shaft is far away from one end of the second driving wheel, the connecting frame is a hollowed-out frame, one side of the connecting frame, which is far away from the second connecting shaft, is fixedly connected with a sand washing net barrel, the inside of the sand washing net barrel is fixedly connected with a spiral sand guide plate, a connecting ring is arranged on the sand washing net barrel, and the sand washing net barrel is rotationally connected with the inside of the connecting barrel through the connecting ring.
2. A mechanical pressure filter for water as defined in claim 1 wherein: the sand filter is characterized in that a first manhole, a second manhole and a sand inlet are formed in the filter tank body, a water outlet pipe is fixedly connected to the filter tank body, a sand discharge pipe is fixedly connected to the bottom of the filter tank body, and a second connecting shell is arranged in the filter tank body.
3. A mechanical pressure filter for water as defined in claim 1 wherein: the utility model discloses a filter tank, including connecting tube, filter tank body, connecting tube, sand washing inlet tube, sand washing drain pipe, valve is provided with between the connecting tube with be provided with the valve between the connecting tube, fixedly connected with sand washing inlet tube and sand washing drain pipe on the connecting tube, sand washing inlet tube and sand washing drain pipe keep away from the one end of connecting tube all is located the outside of the filter tank body.
4. A mechanical pressure filter for water as defined in claim 1 wherein: the first driving wheel is positioned in the first connecting shell, and one end of the first connecting shaft, which is close to the first driving wheel, is rotationally connected with the first connecting shell.
5. A mechanical pressure filter for water as defined in claim 1 wherein: the second driving wheel is positioned in the first connecting shell and is in driving connection with the first driving wheel.
6. A mechanical pressure filter for water as defined in claim 2 wherein: the supporting mechanism comprises a supporting plate, and a driving rod is arranged at the bottom of the supporting plate.
7. A mechanical pressure filter for water as defined in claim 6 wherein: the edge of backup pad is provided with the sealing strip, the position of backup pad with the position of second coupling shell is corresponding, the backup pad articulates the inside of filtering jar body.
8. A mechanical pressure filter for water as defined in claim 6 wherein: the output end of the driving rod is hinged with one side, far away from the filtering tank body, of the bottom of the supporting plate, and one end, far away from the supporting plate, of the driving rod is hinged inside the filtering tank body.
9. A mechanical pressure filter for water as defined in claim 2 wherein: the driving piece is fixedly arranged in the second connecting shell, and one end, close to the driving piece, of the first connecting shaft is rotationally connected with the second connecting shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410677993.XA CN118253116B (en) | 2024-05-29 | 2024-05-29 | Mechanical pressure filter for water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410677993.XA CN118253116B (en) | 2024-05-29 | 2024-05-29 | Mechanical pressure filter for water |
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| Publication Number | Publication Date |
|---|---|
| CN118253116A CN118253116A (en) | 2024-06-28 |
| CN118253116B true CN118253116B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410677993.XA Active CN118253116B (en) | 2024-05-29 | 2024-05-29 | Mechanical pressure filter for water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118253116B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727605A (en) * | 2016-04-22 | 2016-07-06 | 四川悦承环保节能科技有限公司 | Improved intermittent dynamic quicksand filtering device and system |
| CN111991857A (en) * | 2020-08-03 | 2020-11-27 | 优德太湖水务（苏州）有限公司 | Non-blocking sand filtering system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277829A (en) * | 1992-07-14 | 1994-01-11 | Andritz Sprout-Bauer, Inc. | Deep bed sand filter |
| JPH08215509A (en) * | 1995-02-15 | 1996-08-27 | Ishigaki Mech Ind Co | Filter medium washer in moving filter bed type filter |
| JP4877466B2 (en) * | 2005-08-05 | 2012-02-15 | 栗田工業株式会社 | Sludge concentrator and cleaning method therefor |
| CN202962005U (en) * | 2012-07-12 | 2013-06-05 | 杨志江 | Novel active sand filter |
| CN204601822U (en) * | 2015-05-07 | 2015-09-02 | 成都绿源新创环保科技有限公司 | A kind of have the active sand filter that sand machine carried by spiral |
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2024
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105727605A (en) * | 2016-04-22 | 2016-07-06 | 四川悦承环保节能科技有限公司 | Improved intermittent dynamic quicksand filtering device and system |
| CN111991857A (en) * | 2020-08-03 | 2020-11-27 | 优德太湖水务（苏州）有限公司 | Non-blocking sand filtering system |
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