CN107235585B - Sewage filtering device - Google Patents
Sewage filtering device Download PDFInfo
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- CN107235585B CN107235585B CN201710636531.3A CN201710636531A CN107235585B CN 107235585 B CN107235585 B CN 107235585B CN 201710636531 A CN201710636531 A CN 201710636531A CN 107235585 B CN107235585 B CN 107235585B
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- 239000010865 sewage Substances 0.000 title claims abstract description 90
- 238000001914 filtration Methods 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 239000002893 slag Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006004 Quartz sand Substances 0.000 claims abstract description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 238000001179 sorption measurement Methods 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims 3
- 239000012535 impurity Substances 0.000 abstract description 28
- 230000008569 process Effects 0.000 abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a sewage filtering device, which comprises a water inlet, a primary filter pipe, a fine filter pipe and a water outlet pipe which are sequentially arranged from top to bottom, wherein a slag discharge pipe is arranged on the side wall of the primary filter pipe, a filter screen is arranged in the primary filter pipe, and one end of the filter screen, which is far away from the slag discharge pipe, is hinged with the inner wall of the primary filter pipe; and a cobble layer, a quartz sand layer, a magnetite filter material layer and an active carbon layer are sequentially arranged in the fine filter pipe from top to bottom. The sewage filtering device can quickly and stably process sewage with higher solid content, removes impurities in the sewage through the filter screen, and then further filters the sewage through the fine filtering pipe to remove small-particle impurities in the sewage; and then the sewage is disinfected by an ultraviolet lamp in the diversion pipe, and is discharged from the water outlet pipe after the disinfection treatment is finished, so that solid impurities in the sewage are filtered.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage filtering device.
Background
China is a country with deficient water resources, the consumption of fresh water resources and the corresponding discharge of domestic sewage and industrial wastewater are increased along with the development of economy and the improvement of the living standard of people, and due to laggard economic and technical conditions and the like, the pollution is not controlled in time, and the national water environment pollution is becoming serious day by day. A large amount of sewage which is not effectively treated is directly discharged to cause a series of environmental problems of river pollution, lake water eutrophication and the like, so that the ecological environment of the surface water body in China is seriously deteriorated. Serious water pollution and water resource shortage become outstanding problems which restrict economic development of China, harm ecological environment and influence life and body health of people. The sewage in the central city is mainly treated by building a sewage treatment plant, and the conventional process is an activated sludge and biofilm process. The urban sewage treatment plant not only has high construction and operation cost, but also generates a large amount of sludge to cause secondary pollution; in scattered crowd residence areas such as rural areas and small and medium-sized towns, sewage is more difficult to collect and treat, so that the economic and environment-friendly sewage field treatment technology is not only an effective method for eliminating regional scattered pollution caused by urban and rural integrated development, but also an indispensable pollution control technology in new rural construction and ecological environment construction of small and medium towns, and has a large use space in central cities.
Among the current sewage treatment technology, contain and gather sewage layered filter as that chinese patent publication No. CN202700166U discloses, the back flush back wash of current filter that exists among the prior art is suppressed, the problem of running the material has mainly been solved, its characterized in that: the upper part of the filter body is provided with a double-layer filtering distributor, and the lower part of the stirring device is provided with three filter material layers from top to bottom corresponding to the middle lower part of the filter body, wherein the three filter material layers are a walnut shell filter material layer, a quartz sand filter material layer and a magnetite filter material layer respectively; a plurality of three-way type backflushing distributors are fixed on the bottom layer of the magnetite filter material layer close to the inner wall of the filter body, and the other ends of the three-way type backflushing distributors are communicated with a water outlet/backflushing water inlet pipeline. This contain and gather sewage stratified filter adopts double-deck cylinder filter structure to handle and gathers and drive sewage and gather no backwash suppressing pressure, running material problem when sewage, and it is qualified to go out water quality of water, but can't handle the water that contains the solid content higher.
Still like the sewage treatment plant that chinese patent publication No. CN203653301U discloses, mainly in order to solve the problem that current domestic wastewater treatment equipment area is big, construction cost is high, its characterized in that: in the sewage treatment device, a filtering throwing disc is connected on a rotating rod at the vertical position corresponding to a manhole; a filter material separation screen plate and two frustum-shaped filter covers are respectively fixed between the water collector and the tank opening from bottom to top; the bottom layer filter material cleaning opening corresponds to an area formed between the filter material separation screen plate and the water collector, and a quartz sand filter material is arranged in the area; the two-layer filter material cleaning opening is internally provided with an activated carbon filter material corresponding to an area formed between the filter material separation screen plate and the frustum-shaped filter cover at the lower layer; the cleaning opening of the filter material layer corresponds to the area formed between the two frustum-shaped filter covers, and active carbon filter materials are arranged in the cleaning opening. The sewage treatment device has three functions of precipitation, oil removal, multi-layer filtration and the like, but the device has small treatment capacity and low automation degree.
In order to overcome the defects in the prior art, the invention provides the sewage filtering device which is simple in structure and convenient and fast to use, can effectively treat sewage with high solid content, automatically operates in a filtering process, and saves manpower and material resources.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sewage filtering device which can quickly and stably process sewage with higher solid content, remove impurities in the sewage through a filter screen, further filter the sewage through a fine filtering pipe and remove small-particle impurities in the sewage; and then the sewage is disinfected by an ultraviolet lamp in the diversion pipe, and is discharged from the water outlet pipe after the disinfection treatment is finished, so that solid impurities in the sewage are filtered.
The purpose of the invention is realized by the following technical scheme:
a sewage filtering device comprises a water inlet, a primary filter pipe, a fine filter pipe and a water outlet pipe which are sequentially arranged from top to bottom, wherein a deslagging pipe is arranged on the side wall of the primary filter pipe, a filter screen is arranged in the primary filter pipe, one end, far away from the deslagging pipe, of the filter screen is hinged with the inner wall of the primary filter pipe, the bottom of the pipe orifice of the deslagging pipe is provided with a groove, the groove is arranged in the pipe wall of the primary filter pipe, an air bag is further arranged in the groove and used for supporting the other end of the filter screen, the bottom of the air bag is further provided with a pressure relief pipe, a pressure valve is further arranged on the pressure relief pipe, an electromagnetic force part is further arranged above the pipe orifice of the deslagging pipe, the electromagnetic force part is arranged in the pipe wall of the primary filter pipe, and one end, close to; the outer wall of the primary filter pipe is also provided with an inflating device which is communicated with the air bag through an inflating pipe, the primary filter pipe is also provided with a water inlet valve, the water inlet valve is arranged above the filter screen, the inner wall of the primary filter pipe is also provided with a spray head, and the spray head is arranged between the filter screen and the water inlet valve and used for washing the filter screen; the fine filtration pipe is internally provided with a cobble layer, a quartz sand layer, a magnetite filter material layer and an active carbon layer from top to bottom in sequence, the slag discharge pipe is also provided with a slag discharge valve, and the water outlet pipe is also provided with a water outlet valve.
Furthermore, when the air bag supports the filter screen, one end of the filter screen close to the slag discharge pipe is close to the top of the pipe orifice of the slag discharge pipe; when the air bag discharges air and cannot support the filter screen, one end of the filter screen close to the deslagging pipe is close to the top of the groove.
Further, the bottom of the filter screen is also provided with a contact A, the contact A is arranged at one end close to the deslagging pipe, the top of the groove is provided with a contact B matched with the contact A, the contact A and the contact B form a contact switch, and the contact switch is linked with the water inlet valve and the deslagging valve respectively. Preferably, the pressure valve opens when the pressure within the bladder reaches a predetermined value. Preferably, the pressure valve is interlocked with the electromagnetic force member. In the use, at the cooperation of electromagnetic force spare and magnetic force absorption spare, and the supporting role of gasbag, make the filter screen filter sewage steadily, filter along with the device is constantly carried out, the impurity of gathering on the filter screen constantly increases, the pressure that the filter screen applyed to the gasbag also constantly increases, when gasbag internal pressure reaches the predetermined value, the pressure valve is opened, electromagnetic force spare with the pressure valve linkage also stops to attract magnetic force absorption spare simultaneously, make the filter screen fall near the one end of scum pipe, and fall on the recess, at this moment, contact A and contact B contact, make the water intaking valve with contact switch linkage close, the scum valve opens, under the action of gravity, impurity on the filter screen is discharged from the scum pipe.
Furthermore, a timer is arranged at the top of the inflating device and is linked with the contact switch and the inflating device respectively. Preferably, the timer is further linked with the pressure valve, the electromagnetic force part, the water inlet valve and the slag discharge valve respectively. In the working process, when the contact A is contacted with the contact B, the contact switch is started, the timer linked with the contact switch starts to time for the first time, when the first time of the timer reaches a preset value, the timer starts to time for the second time, meanwhile, the pressure valve is closed, the inflating device and the electromagnetic force piece are started, the inflating device fills air into the air bag through the inflating pipe, and the electromagnetic force piece attracts the magnetic force adsorption piece on the filter screen, so that the filter screen is attached to the top of the pipe orifice of the slag discharge pipe again; and when the second time of the timer reaches the preset value, closing the deslagging valve and opening the water inlet valve to enable the primary filtering pipe to filter the sewage again.
Furthermore, a water collecting device is further arranged on the water outlet pipe, and the water outlet valve is arranged between the fine filtering pipe and the water collecting device and used for collecting and storing water after being filtered by the fine filtering pipe.
Furthermore, the spray head is communicated with the water collecting device through a flushing pipe, a pump is further arranged on the flushing pipe, and the pump is linked with the contact switch. Preferably, the water collecting device is a water collecting ball, the water collecting ball is arranged at the bottom of the water outlet pipe, and the water collecting ball is communicated with the water outlet pipe. The water collecting device is arranged on the water outlet pipe, part of water filtered by the fine filter pipe is collected by the water collecting device, the pump is started to pump out water in the water collecting device in the process that the filter screen falls down to discharge slag, and the water is sprayed out through the spray head to wash the filter screen, so that impurities on the filter screen quickly enter the slag discharge pipe to be discharged, and the running efficiency of the device is improved; simultaneously because the internal volume of water-collecting device is limited for the sparge water of shower nozzle spun at every turn is injectd in certain water-collecting device's capacity, avoids the waste of sparge water, improves the utilization efficiency of water resource simultaneously.
Furthermore, the electromagnetic force piece, the magnetic force adsorption piece and the air bag are coaxially arranged. Preferably, the electromagnetic member is an electromagnetic member with a power supply, and is used for generating a magnetic force to attract the magnetic attraction member. In the use, utilize operating condition's geomagnetic force spare to the appeal of magnetic force absorption piece to and the gasbag that is full of the gas state is to the supporting role of filter screen, makes the filter screen fix steadily at row's cinder pipe mouth of pipe top, carries out abundant filtration to the sewage through the prefilter pipe, removes the impurity in the sewage, improves the stability and the security of device operation.
Furthermore, a guide pipe is further arranged at the bottom of the fine filtering pipe, and the fine filtering pipe is communicated with the water outlet pipe through the guide pipe.
Furthermore, the draft tube is of an inverted conical structure.
Furthermore, a plurality of ultraviolet lamps are uniformly arranged in the flow guide pipe for illumination, the ultraviolet lamps are respectively arranged in an inclined mode, and the bottom end of the ultraviolet lamps for illumination is close to the axis of the flow guide pipe. Through the honeycomb duct effect, during sewage water conservancy diversion after will filtering got into the outlet pipe, set up the ultraviolet lamp in the honeycomb duct and look after the pipe simultaneously, utilize the disinfection of disinfecting that the ultraviolet lamp looked after to filter the disinfection to the sewage after filtering, improve sewage treatment efficiency and sewage treatment effect.
A filtering method of a sewage filtering device filters by the sewage filtering device.
Further, the filtering method comprises the following steps: opening a water inlet valve, introducing sewage into a primary filter pipe through the water inlet, removing impurities in the sewage through a filter screen, and further filtering the sewage through a fine filter pipe to remove small-particle impurities in the sewage; then the sewage is disinfected by an ultraviolet lamp in the diversion pipe, and is discharged from the water outlet pipe after the disinfection treatment is finished.
Furthermore, in the working process of the device, along with the continuous filtering of the device, the impurities accumulated on the filter screen are continuously increased, the pressure applied by the filter screen to the air bag is also continuously increased, when the pressure in the air bag reaches a preset value, the pressure valve is opened, and meanwhile, the electromagnetic force piece linked with the pressure valve stops attracting the magnetic force adsorption piece, so that one end of the filter screen close to the slag discharge pipe falls down and falls on the groove, at the moment, the contact A is contacted with the contact B, a water inlet valve linked with the contact switch is closed, the slag discharge valve is opened, and the impurities on the filter screen are discharged from the slag discharge pipe under the action of gravity; when the contact switch is started, a timer contacted with the contact switch starts to time for the first time, when the first time of the timer reaches a preset value, the timer starts to time for the second time, meanwhile, the pressure valve is closed, the inflating device and the electromagnetic force piece are started, the inflating device fills air into the air bag through the inflating pipe, and the electromagnetic force piece attracts the magnetic force adsorption piece on the filter screen, so that the filter screen is attached to the top of the pipe orifice of the slag discharge pipe again; and when the second time of the timer reaches the preset value, closing the deslagging valve and opening the water inlet valve to enable the primary filtering pipe to filter the sewage again.
The invention has the beneficial effects that: the sewage filtering device is simple in structure and convenient and fast to use, can quickly and stably treat sewage with high solid content, removes impurities in the sewage through the filter screen, and then further filters the sewage through the fine filtering pipe to remove small-particle impurities in the sewage; and then the sewage is disinfected by an ultraviolet lamp in the diversion pipe, and is discharged from the water outlet pipe after the disinfection treatment is finished, so that solid impurities in the sewage are filtered.
Drawings
FIG. 1 is a schematic view showing the construction of a sewage filtering apparatus according to the present invention;
FIG. 2 is a schematic view of the primary filter tube of the present invention for filtering sewage;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
FIG. 4 is a schematic view of the primary filter tube for removing impurities on the filter net according to the present invention
In the figure, 1-water inlet, 2-primary filter tube, 3-fine filter tube, 4-water outlet tube, 5-draft tube, 6-filter screen, 7-slag discharge tube, 8-water inlet valve, 9-slag discharge valve, 10-spray head, 11-cobble layer, 12-quartz sand layer, 13-magnetite filter material layer, 14-activated carbon layer, 15-water outlet valve, 16-water collecting device, 17-flushing tube, 18-pump, 19-ultraviolet lamp tube, 20-groove, 21-air bag, 22-pressure discharge tube, 23-pressure valve, 24-air charging device, 25-air charging tube, 26-timer, 27-electromagnetic force element, 28-magnetic force adsorption element, 29 contact A, 30-contact B.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a sewage filtering device comprises a water inlet 1, a primary filtering pipe 2, a fine filtering pipe 3 and a water outlet pipe 4 which are arranged and communicated in sequence from top to bottom, a slag discharge pipe 7 is arranged on the side wall of the primary filter pipe 2, a filter screen 6 is arranged in the primary filter pipe 2, one end of the filter screen 6, which is far away from the slag discharging pipe 7, is hinged with the inner wall of the primary filter pipe 2, the bottom of the pipe orifice of the slag discharging pipe 7 is provided with a groove 20, the groove 20 is arranged in the pipe wall of the primary filtering pipe 2, the groove 20 is also internally provided with an air bag 21, the air bag 21 is used for supporting the other end of the filter screen 6, the bottom of the air bag 21 is also provided with a pressure relief pipe 22, the pressure relief pipe 22 is also provided with a pressure valve 23, an electromagnetic force piece 27 is also arranged above the pipe orifice of the slag discharge pipe 7, the electromagnetic force element 27 is arranged in the pipe wall of the primary filtering pipe 2, and one end of the filter screen 6 close to the slag discharge pipe 7 is also provided with a magnetic force adsorption element 28 matched with the electromagnetic force element 27; the outer wall of the primary filter pipe 2 is also provided with an inflating device 24, the inflating device 24 is communicated with an air bag 21 through an inflating pipe 25, the primary filter pipe 2 is also provided with a water inlet valve 8, the water inlet valve 8 is arranged above the filter screen 6, the inner wall of the primary filter pipe 2 is also provided with a spray head 10, and the spray head 10 is arranged between the filter screen 6 and the water inlet valve 8 and used for washing the filter screen 6; the fine filtering pipe 3 is internally provided with a cobble stone layer 11, a quartz sand layer 12, a magnetite filtering material layer 13 and an active carbon layer 14 from top to bottom in sequence, the slag discharging pipe 7 is further provided with a slag discharging valve 9, and the water outlet pipe 4 is further provided with a water outlet valve 15.
Specifically, when the air bag 21 supports the filter screen 6, one end of the filter screen 6 close to the slag discharge pipe 7 is close to the top of the pipe orifice of the slag discharge pipe 7; when the filter screen 6 cannot be supported after the air bag 21 discharges air, one end of the filter screen 6 close to the slag discharge pipe 7 falls down and is close to the top of the groove 20.
Specifically, the bottom of the filter screen 6 is further provided with a contact A29, the contact A29 is arranged at one end close to the deslagging pipe 7, the top of the groove 20 is provided with a contact B30 matched with the contact A29, the contact A29 and the contact B30 form a contact switch, and the contact switch is linked with the water inlet valve 8 and the deslagging valve 9 respectively, namely when the contact A29 and the contact B30 are in contact, the water inlet valve 8 is closed, and the deslagging valve 9 is opened. Preferably, the pressure valve 23 opens when the pressure in the bladder 21 reaches a predetermined value. Preferably, the pressure valve 23 is interlocked with the electromagnetic force member 27. In the using process, the electromagnetic force member 27 and the magnetic force adsorption member 28 are matched, and the air bag 21 supports, so that the filter screen 6 stably filters sewage, as the device continuously filters, impurities accumulated on the filter screen 6 continuously increase, the pressure applied to the air bag 21 by the filter screen 6 also continuously increases, when the pressure in the air bag 21 reaches a preset value, the pressure valve 23 is opened, the electromagnetic force member 27 linked with the pressure valve 23 also stops attracting the magnetic force adsorption member 28, so that one end of the filter screen 6 close to the slag discharge pipe 7 falls down and falls on the groove 20, at the moment, the contact A29 and the contact B30 are contacted, the water inlet valve 8 linked with the contact switch is closed, the slag discharge valve 9 is opened, and under the action of gravity, the impurities on the filter screen 6 are discharged from the slag discharge pipe 7.
Specifically, a timer 26 is arranged on the top of the inflator, and the timer 26 is linked with the contact switch and the inflator 24 respectively. Preferably, the timer 26 is also linked with the pressure valve 23, the electromagnetic force member 27, the water inlet valve 8 and the slag discharging valve 9 respectively. In the working process, when the contact A29 is contacted with the contact B30, the contact switch is started, the timer 26 linked with the contact switch starts to time for the first time, when the first time of the timer 26 reaches a preset value, the timer 26 starts to time for the second time, meanwhile, the pressure valve 23 is closed, the inflating device 24 and the electromagnetic force piece 27 are started, the inflating device 24 fills air into the air bag 21 through the inflating pipe 25, and when the air bag 21 enables the filter screen 6 to rise to the top of the nozzle of the slag discharging pipe 7, the electromagnetic force piece 27 attracts the magnetic force adsorption piece 28 on the filter screen 6, so that the filter screen 6 is close to the top of the nozzle of the slag discharging pipe 7 again; when the timer 26 counts time for the second time and reaches the preset value, the deslagging valve 9 is closed, and the water inlet valve 8 is opened, so that the primary filtering pipe 2 performs sewage filtering again.
Specifically, the water outlet pipe 4 is further provided with a water collecting device 16, and the water outlet valve 15 is arranged between the fine filtering pipe 3 and the water collecting device 16 and used for collecting and storing water partially filtered by the fine filtering pipe 3.
Specifically, the spray head 10 is communicated with a water collecting device 16 through a flushing pipe 17, a pump 18 is further arranged on the flushing pipe 17, and the pump 18 is linked with a contact switch. Preferably, the water collecting device 16 is a water collecting ball, the water collecting ball is arranged at the bottom of the water outlet pipe 4, and the water collecting ball is communicated with the water outlet pipe 4. The water collecting device 16 is arranged on the water outlet pipe 4, part of water filtered by the fine filtering pipe 3 is collected by the water collecting device 16, the pump 18 is started to pump out the water in the water collecting device 16 in the process that the filtering net 6 falls down for deslagging, and the water is sprayed out through the spray head 10 to wash the filtering net 6, so that impurities on the filtering net 6 quickly enter the deslagging pipe 7 to be discharged, and the running efficiency of the device is improved; meanwhile, the inner volume of the water collecting device 16 is limited, so that the washing water sprayed by the nozzle 10 every time is limited in a certain capacity of the water collecting device 16, the waste of the washing water is avoided, and the utilization efficiency of water resources is improved.
Specifically, the electromagnetic force member 27, the magnetic force absorbing member 28, and the airbag 21 are coaxially disposed. Preferably, the electromagnetic member 27 is an electromagnetic member 27 with a power supply for generating a magnetic force to attract the magnetic attraction member 28. In the use, utilize operating condition's electromagnetic force piece 27 to the appeal of magnetic force absorption piece 28 to and the supporting role of gasbag 21 to filter screen 6 of being full of gas state for filter screen 6 is fixed at the sediment pipe 7 mouth of pipe top steadily, fully filters the sewage through just filter tube 2, removes the impurity in the sewage, improves the stability and the security of device operation.
Specifically, the bottom of the fine filter tube 3 is also provided with a flow guide tube 5, and the fine filter tube 3 is communicated with a water outlet tube 4 through the flow guide tube 5.
Specifically, the draft tube 5 is an inverted conical draft tube 5.
Specifically, a plurality of ultraviolet lamp lighting tubes 19 are uniformly arranged in the flow guide tube 5, the ultraviolet lamp lighting tubes 19 are respectively arranged in an inclined manner, and the bottom end of each ultraviolet lamp lighting tube 19 is close to the axis of the flow guide tube 5. Through the effect of honeycomb duct 5, the sewage water conservancy diversion after will filtering gets into outlet pipe 4, sets up ultraviolet lamp in honeycomb duct 5 simultaneously and shines 19, utilizes the ultraviolet lamp to shine 19 disinfection effect of disinfecting, carries out filtering and disinfecting to the sewage after filtering, improves sewage treatment efficiency and sewage treatment effect.
A filtering method of a sewage filtering device filters by the sewage filtering device.
Specifically, the filtration method comprises the following steps: opening a water inlet valve 8, introducing sewage into a primary filter pipe 2 through a water inlet 1, removing impurities in the sewage through a filter screen 6, and further filtering the sewage through a fine filter pipe 3 to remove small-particle impurities in the sewage; then the sewage is disinfected by an ultraviolet lamp lighting 6 in the flow guide pipe 5 and is discharged from the water outlet pipe 4 after the disinfection treatment is finished.
When the device is used, the water inlet valve 8 is opened, sewage is introduced into the primary filtering pipe 2 through the water inlet 1, impurities in the sewage are removed through the filter screen 6, then the sewage is further filtered through the fine filtering pipe 3, and small particle impurities in the sewage are removed; then the sewage is disinfected by an ultraviolet lamp lighting 6 in the flow guide pipe 5 and is discharged from the water outlet pipe 4 after the disinfection treatment is finished; in the filtering process, the electromagnetic force piece 27 is matched with the magnetic force adsorption piece 28 and the supporting function of the air bag 21 is utilized, so that the filter screen 6 stably filters the sewage, the impurities accumulated on the filter screen 6 are continuously increased along with the continuous filtering of the device, the pressure applied to the air bag 21 by the filter screen 6 is also continuously increased, when the pressure in the air bag 21 reaches a preset value, the pressure valve 23 is opened, the electromagnetic force piece 27 linked with the pressure valve 23 stops attracting the magnetic force adsorption piece 28, so that one end of the filter screen 6, which is close to the slag discharge pipe 7, falls down onto the groove 20, at the moment, the contact A29 is contacted with the contact B30, the water inlet valve 8 linked with the contact switch is closed, the slag discharge valve 9 is opened, and the impurities on the filter screen 6 are discharged from the slag discharge pipe 7 under the action of gravity; when the contact switch is started, the timer 26 contacted with the contact switch starts to time for the first time, when the first time counted by the timer 26 reaches a preset value, the timer 26 starts to time for the second time, meanwhile, the pressure valve 23 is closed, the air charging device 24 and the electromagnetic force piece 27 are started, the air charging device 24 charges air into the air bag 21 through the air charging pipe 25, and the electromagnetic force piece 27 attracts the magnetic force adsorption piece 28 on the filter screen 6, so that the filter screen 6 is close to the top of the pipe orifice of the slag discharge pipe 7 again; when the timer 26 counts time for the second time and reaches the preset value, the deslagging valve 9 is closed, and the water inlet valve 8 is opened, so that the primary filtering pipe 2 performs sewage filtering again.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A sewage filtering device is characterized by comprising a water inlet, a primary filter pipe, a fine filter pipe and a water outlet pipe which are sequentially arranged from top to bottom, wherein a deslagging pipe is arranged on the side wall of the primary filter pipe, a filter screen is arranged in the primary filter pipe, one end, far away from the deslagging pipe, of the filter screen is hinged with the inner wall of the primary filter pipe, a groove is formed in the bottom of the pipe orifice of the deslagging pipe, the groove is formed in the pipe wall of the primary filter pipe, an air bag is further arranged in the groove and used for supporting the other end of the filter screen, a pressure relief pipe is further arranged at the bottom of the air bag, a pressure valve is further arranged on the pressure relief pipe, an electromagnetic force part is further arranged above the pipe orifice of the deslagging pipe, the electromagnetic force part is arranged in the pipe wall of the primary filter pipe, and a magnetic force adsorption part matched; the outer wall of the primary filter pipe is also provided with an inflating device which is communicated with the air bag through an inflating pipe, the primary filter pipe is also provided with a water inlet valve, the water inlet valve is arranged above the filter screen, the inner wall of the primary filter pipe is also provided with a spray head, and the spray head is arranged between the filter screen and the water inlet valve and used for washing the filter screen; a cobble layer, a quartz sand layer, a magnetite filter material layer and an active carbon layer are sequentially arranged in the fine filter pipe from top to bottom, a slag discharge valve is further arranged on the slag discharge pipe, and a water outlet valve is further arranged on the water outlet pipe; the water outlet pipe is also provided with a water collecting device, the water outlet valve is arranged between the fine filtering pipe and the water collecting device and used for collecting and storing water filtered by the fine filtering pipe, the spray head is communicated with the water collecting device through a flushing pipe, and the flushing pipe is also provided with a pump.
2. The sewage filtering device according to claim 1, wherein the bottom of the filter screen is further provided with a contact A, the contact A is arranged at one end close to the deslagging pipe, the top of the groove is provided with a contact B matched with the contact A, the contact A and the contact B form a contact switch, and the contact switch is linked with the water inlet valve and the deslagging valve respectively.
3. The sewage filtering device according to claim 2, wherein a timer is arranged on the top of the air charging device, and the timer is linked with the contact switch and the air charging device respectively.
4. The waste water filter device of claim 2 wherein the pump is in communication with a contact switch.
5. The sewage filtering device according to claim 1, wherein a flow guide pipe is further arranged at the bottom of the fine filtering pipe, the fine filtering pipe is communicated with the water outlet pipe through the flow guide pipe, the flow guide pipe is of an inverted conical structure, a plurality of ultraviolet lamp illumination pipes are uniformly arranged in the flow guide pipe, the ultraviolet lamp illumination pipes are respectively arranged in an inclined manner, and the bottom ends of the ultraviolet lamp illumination pipes are close to the axis of the flow guide pipe.
6. A method of filtering a wastewater filter device, characterized in that the wastewater filter device according to any one of claims 1 to 5 is used for filtering.
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| CN107963737B (en) * | 2017-11-21 | 2020-12-08 | 江苏亚太水务集团股份有限公司 | Domestic sewage treatment system |
| CN108455769A (en) * | 2018-03-13 | 2018-08-28 | 佛山市熙华科技有限公司 | A kind of equipment for processing industrial sewage |
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| CN108996778A (en) * | 2018-06-27 | 2018-12-14 | 无棣浩原网具有限公司 | A kind of multi-functional domestic sewage treatment device |
| CN108686429A (en) * | 2018-08-08 | 2018-10-23 | 耒阳市润兆达农业科技发展有限公司 | A kind of biogas slurry filtering separation device |
| CN109432876A (en) * | 2018-11-22 | 2019-03-08 | 南京蔚岚环境技术研究院有限公司 | A kind of six catalyst filtration equipment of automobile-used Europe based on water washing |
| CN112090134A (en) * | 2020-09-15 | 2020-12-18 | 张琪玲 | Chemical sewage filtering device |
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