CN114605033A - Ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment - Google Patents
Ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment Download PDFInfo
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- CN114605033A CN114605033A CN202210232306.4A CN202210232306A CN114605033A CN 114605033 A CN114605033 A CN 114605033A CN 202210232306 A CN202210232306 A CN 202210232306A CN 114605033 A CN114605033 A CN 114605033A
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 28
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 27
- 239000012528 membrane Substances 0.000 title claims abstract description 27
- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 27
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims description 24
- 239000010802 sludge Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000011010 flushing procedure Methods 0.000 claims description 11
- 238000005273 aeration Methods 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 13
- 239000013049 sediment Substances 0.000 description 9
- 241000220317 Rosa Species 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000010840 domestic wastewater Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological 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
- C02F7/00—Aeration of stretches of water
Abstract
The invention discloses an ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment, which relates to the technical field of wastewater treatment and comprises a treatment main body, wherein one end, far away from the treatment main body, of a water inlet pipe is connected with a pretreatment device in a through mode; according to the invention, through pretreatment and purification, sewage is filtered through the filtering mechanism, larger silt in the sewage is intercepted and filtered, and the filtered sewage flows into the treatment main body, so that the silt content in the sewage is reduced, the later treatment main body is accelerated in precipitation efficiency, frequent blockage caused by large-amount absorption of the silt by the ultrafiltration membrane reactor is prevented, and the operation efficiency of the filtering system is improved.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment.
Background
The wastewater treatment is to treat the wastewater by physical, chemical and biological methods, purify the wastewater and reduce pollution, so that the wastewater is recycled and reused, and water resources are fully utilized. The type of the wastewater is divided into domestic wastewater and industrial wastewater, the domestic wastewater refers to wastewater discharged by people in daily life activities, the wastewater is mainly polluted by domestic waste and human excrement, and the quantity, the components and the concentration of pollutants are related to the living habits and the water consumption of people. Domestic sewage generally does not contain toxic substances, but it has conditions suitable for the propagation of microorganisms, contains a large amount of bacteria and pathogens, and has a certain hazard from a hygienic viewpoint.
At present, domestic sewage is treated by inputting the domestic sewage into a sedimentation tank for sedimentation, then the sedimentated wastewater is conveyed to a catalytic oxidation tank through a water pump for oxidation reaction, bacterial pollutants in the wastewater are subjected to chemical reaction, the bacteria of the pollutants are removed, the reacted wastewater enters a biological reaction tank along with the rise of water level, and a large amount of suspended matters, colloids and particles in the wastewater are filtered through an ultrafiltration membrane filter element, so that clean water resources are obtained to flow out for reuse, but in some areas with serious sand and dust, the content of silt in the wastewater is high, and when the wastewater is filtered, the ultrafiltration membrane filter burden is increased besides the long time consumed for sedimentation, so that the ultrafiltration membrane needs to be cleaned frequently; in addition, because the sludge at the bottom of the sedimentation tank is generally directly discharged, the internal water liquid cannot be separated and extracted, and the limitation is large. Therefore, a pre-filtering mechanism is needed to be designed, a large amount of silt in the wastewater is filtered in advance, and the burden of a filtering system and the mud content of the sewage are reduced.
Disclosure of Invention
The invention provides an ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment, which solves the technical problems.
In order to solve the technical problems, the invention provides an ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment, which comprises a treatment main body, wherein one side end of the treatment main body is connected with a water inlet pipe in a penetrating way, the other opposite end of the treatment main body is connected with a water outlet pipe in a penetrating way, the treatment main body comprises a sedimentation tank, a catalytic oxidation tank and a biological reaction tank, a sludge pump is arranged at the inner bottom of the sedimentation tank, an aeration head is arranged at the inner bottom of the catalytic oxidation tank, a catalyst layer is filled above the aeration head, an ozone generator is arranged at the top of the treatment main body and is connected with an aeration head pipeline, an ultrafiltration membrane reactor is arranged in the biological reaction tank, one end of the water inlet pipe, which is far away from the treatment main body, is connected with a pretreatment device in a penetrating way, the pretreatment device comprises an electromagnetic flow meter valve, one end of the electromagnetic flow meter valve is arranged on the treatment main body, and the other end of the electromagnetic flow meter valve is connected with a filtering mechanism, the top of the filtering mechanism is provided with a flushing mechanism, a pipeline at the bottom of the filtering mechanism is connected with a solid-liquid separation mechanism, and a connecting pipeline is provided with an electromagnetic valve;
the filtering mechanism includes the rose box, the rose box back through connection has outlet pipe and is connected with the electromagnetic flow meter valve, and the rose box openly through connection has inlet pipe, the inside filter screen that inlays of rose box has between inlet pipe and the outlet pipe the passageway to separate, the rose box bottom is located filter screen front below through connection has the blowdown mouth of pipe to be connected with the solenoid valve, solid-liquid separation mechanism includes the box, box top through connection has water delivery pipe mouth and is connected with the solenoid valve, and the box keeps away from one end case mouth department of handling the main part and articulates there is the chamber door, upper portion installs on the internal portion of box and folds spiral shell mechanism, and interior sub-unit installation has the storage water tank, the box back through connection has the drain pipe.
Further, drain pipe one end and the inside sedimentation tank through connection of processing main part, and the drain pipe other end and storage water tank through connection.
Further, the water inlet pipe orifice is connected with an external delivery pump pipeline.
Further, the processing main body is electrically connected with an external terminal for control, and the external terminal is also electrically connected with the electromagnetic flowmeter valve, the electromagnetic valve, the solid-liquid separation mechanism and the flushing mechanism.
Further, it includes frame and gear motor to fold spiral shell mechanism, the frame slope is installed on the internal upper portion of box, and a plurality of rings of deciding of the inside even fixedly connected with of frame, be provided with the threaded rod between a plurality of rings of deciding, and threaded rod movable mounting runs through in the frame and takes out and be connected with the gear motor drive, frame one side link up and has seted up the discharge port and run through the box, and box outer end discharge port department installs out the mud storehouse, gear motor installs on a mud storehouse.
Further, the surface of the threaded rod is provided with a spiral blade which is matched and overlapped with the fixed rings.
Furthermore, a plurality of water seepage holes are uniformly formed in one side of the bottom in the outer frame in a penetrating mode.
Further, a water pump is installed at the bottom in the water storage tank and connected with a water discharge pipeline, and the sludge pump pipeline penetrates through the processing main body, the box body and the outer frame of the screw stacking mechanism to the inside.
Further, it includes shunt tubes and shower nozzle to wash the mechanism, shunt tubes outer end cup joints and is installed on the rose box to have fixed hoop to install, and the even slope of bottom installs a plurality of shower nozzles in the shunt tubes, a plurality of shower nozzles run through rose box to inside and towards the filter screen direction.
Further, the interior of the shunt pipe is hollow and is connected with a high-pressure pump controlled by an external terminal through a hose.
Compared with the related art, the ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment provided by the invention has the following beneficial effects:
the invention provides a method for purifying sewage by pretreatment, wherein the sewage is filtered by a filtering mechanism, larger silt in the sewage is intercepted and filtered, and the filtered sewage flows into a treatment main body, so that the content of the silt in the sewage is reduced, the sedimentation efficiency of a sedimentation tank of a later treatment main body is accelerated, frequent blockage caused by large-amount absorption of the silt by an ultrafiltration membrane reactor is prevented, and the operation efficiency of a filtering system is improved.
According to the invention, through the flushing mechanism and the solid-liquid separation mechanism, when the sediment on the filter screen is blocked due to sediment accumulation, the external terminal high-pressure pump conveys a fixed amount of water to the flushing mechanism to flush the sediment accumulation on the filter screen at high pressure, and viscous sludge flows into the screw stacking mechanism of the box body through the pipeline to carry out sediment dehydration separation, so that the sediment is conveniently cleaned; the filtered sewage falls into the water storage tank for storage.
The invention provides a sewage treatment device, which can be used for conveying sewage from a water storage tank to a sedimentation tank of a treatment main body through a water pump for sedimentation and filtration, also can be used for conveying silt at the bottom of the sedimentation tank to an outer frame through a sewage pump for dehydration, can be used for circulating filtration, fully utilizes water resources and recovers the water resources, and improves the operation efficiency of a filtration system.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the interior of the processing body according to the present invention;
FIG. 3 is a schematic view of a pretreatment apparatus according to the present invention;
FIG. 4 is a schematic view of a filter mechanism according to the present invention;
FIG. 5 is a schematic view of the interior of the filter mechanism of the present invention;
FIG. 6 is a schematic view of the flushing mechanism of the present invention;
FIG. 7 is a schematic view of a solid-liquid separation mechanism according to the present invention;
FIG. 8 is a schematic view of a stacking mechanism according to the present invention;
FIG. 9 is a schematic sectional view of the inside of the solid-liquid separation mechanism of the present invention.
Reference numbers in the figures: 1. a processing body; 2. a pretreatment device; 3. a drain pipe orifice; 11. a sedimentation tank; 111. a sludge pump; 12. a catalytic oxidation tank; 121. an ozone generator; 122. a catalyst layer; 123. an aeration head; 13. a biological reaction tank; 131. an ultrafiltration membrane reactor; 21. an electromagnetic flow meter valve; 22. a filtering mechanism; 221. a water outlet pipe orifice; 222. a filter box; 223. a water inlet pipe orifice; 224. a filter screen; 225. a sewage pipe orifice; 23. an electromagnetic valve; 24. a solid-liquid separation mechanism; 241. a water delivery pipe orifice; 242. a screw folding mechanism; 2421. fixing a ring; 2422. a reduction motor; 2423. a mud outlet bin; 2424. a threaded rod; 2425. a water seepage hole; 243. a drain pipe; 244. a box body; 2441. a box door; 245. a water storage tank; 2451. a water pump; 25. a flushing mechanism; 251. a shunt tube; 252. and (4) a spray head.
Detailed Description
In the first embodiment, as shown in fig. 1-5 and fig. 7, the present invention comprises a processing main body 1, a water inlet pipe is connected to one side end of the processing main body 1, and a water outlet pipe 3 is connected to the other opposite end of the processing main body 1, the processing main body 1 comprises a sedimentation tank 11, a catalytic oxidation tank 12 and a biological reaction tank 13, a sludge pump 111 is arranged at the bottom of the sedimentation tank 11, an aeration head 123 is arranged at the bottom of the catalytic oxidation tank 12, a catalyst layer 122 is filled above the aeration head 123, an ozone generator 121 is arranged at the top of the processing main body 1 and connected with the aeration head 123 through a pipeline, an ultrafiltration membrane reactor 131 is arranged inside the biological reaction tank 13, a pretreatment device 2 is connected to one end of the water inlet pipe far from the processing main body 1 through a communication way, the pretreatment device 2 comprises an electromagnetic flow meter valve 21, one end of the electromagnetic flow meter valve 21 is installed on the processing main body 1, and the other end is connected with a filtering mechanism 22, a flushing mechanism 25 is installed at the top of the filtering mechanism 22, the bottom pipeline of the filtering mechanism 22 is connected with a solid-liquid separation mechanism 24, and the connecting pipeline is provided with an electromagnetic valve 23; the filtering mechanism 22 comprises a filtering box 222, the back of the filtering box 222 is connected with a water outlet pipe 221 in a penetrating way and is connected with the electromagnetic flowmeter valve 21, the front of the filtering box 222 is connected with a water inlet pipe 223 in a penetrating way, a filtering net 224 is embedded in the filtering box 222 to separate a channel between the water inlet pipe 223 and the water outlet pipe 221, the bottom of the filtering box 222 is connected with a sewage outlet pipe 225 in a penetrating way and is connected with the electromagnetic valve 23 below the filtering net 224, the solid-liquid separating mechanism 24 comprises a box 244, the top of the box 244 is connected with a water delivery pipe 241 in a penetrating way and is connected with the electromagnetic valve 23, a box door 2441 is hinged at one end of the box 244 far away from the processing main body 1, the upper part in the box 244 is provided with a screw overlapping mechanism 242, the inner lower part is provided with a water storage tank 245, and the back of the box 244 is connected with a water discharge pipe 243 in a penetrating way; one end of the drain pipe 243 is connected to the sedimentation tank 11 in the treatment main body 1, and the other end of the drain pipe 243 is connected to the water storage tank 245; the water inlet pipe opening 223 is connected with an external delivery pump pipeline; the treatment main body 1 is electrically connected with an external terminal for control, and the external terminal is also electrically connected with an electromagnetic flowmeter valve 21, an electromagnetic valve 23, a solid-liquid separation mechanism 24 and a flushing mechanism 25; a water pump 2451 is arranged at the bottom in the water storage tank 245, the water pump 2451 is connected with a drain pipe 243 through a pipeline, and a sludge pump 111 pipeline penetrates through the outer frames of the treatment main body 1, the tank 244 and the screw stacking mechanism 242 to the inside;
wherein, the external terminal controls the external water pump 2451 to input the sewage into the main body 1, the sewage is filtered by the sedimentation tank 11, the catalytic oxidation tank 12 and the biological reaction tank 13, before the sewage is input into the main body, the silt in the sewage is filtered by the pretreatment device 2, the sewage enters the filter tank 222 from the water inlet pipe 223, the larger silt in the sewage is intercepted and filtered by the filter screen, the filtered sewage flows out from the water outlet pipe 221 and enters the main body through the electromagnetic flowmeter valve 21, when the silt on the filter screen 224 is deposited and blocked, the electromagnetic flowmeter valve 21 detects the flow reduction of the sewage and sends the data to the external terminal, the external terminal controls the water pump 2451 to stop working, then controls the electromagnetic valve 23 to open, the sewage mixed with the silt enters the solid-liquid separation mechanism 24, and then the external terminal controls the high-pressure pump to quantitatively convey the water into the diversion pipe 251, and the silt is sprayed out from a plurality of spray heads 252 on the shunt tubes 251 to wash silt sediments on the filter screen 224 at high pressure, viscous sludge flows into the screw stacking mechanism 242 of the box body 244 through a pipeline, the external terminal controls the speed reducing motor 2422 to drive the threaded rod 2424 to rotate slowly, the viscous silt enters the outer frame and is pushed by the screw shaft rotating blades of the threaded rod 2424 to move towards the outlet, the silt is gradually extruded due to the fact that the screw pitch between the screw shaft rotating blades and the plurality of fixed rings 2421 is gradually reduced, dehydration starts under the action of pressure, water flows out from the filtering gap between the screw shaft blades and the fixed rings 2421 and falls into the water storage tank 245 through a plurality of water seepage holes 2425, and silt cakes are discharged from the silt outlet bin 2423 under the pushing action of the screw rod after being fully dehydrated.
In the second embodiment, based on the first embodiment, as shown in fig. 8 to 9, the screw stacking mechanism 242 includes an outer frame and a speed reduction motor 2422, the outer frame is obliquely installed at the upper portion inside the box 244, a plurality of fixed rings 2421 are uniformly and fixedly connected inside the outer frame, a threaded rod 2424 is arranged between the fixed rings 2421, the threaded rod 2424 is movably installed in the outer frame and is driven to be connected with the speed reduction motor 2422, a discharge port is formed in one side of the outer frame to penetrate the box 244, a mud discharge bin 2423 is installed at a discharge port at the outer end of the box 244, and the speed reduction motor 2422 is installed on the mud discharge bin 2423; the surface of the threaded rod 2424 is provided with a spiral blade which is matched and overlapped with the plurality of fixed rings 2421; a plurality of water seepage holes 2425 are uniformly formed in one side of the inner bottom of the outer frame in a penetrating manner;
the external terminal controls the reducing motor 2422 to drive the threaded rod 2424 to rotate slowly, sticky silt enters the outer frame and is pushed by the spiral shaft rotating blades of the threaded rod 2424 to move towards the discharge port, the pitch between the spiral shaft rotating blades and the plurality of fixed rings 2421 is gradually reduced, so that the silt is gradually extruded and starts to dehydrate under the action of pressure, moisture flows out from the filtering gap between the spiral shaft rotating blades and the fixed rings 2421 and falls into the water storage tank 245 through the plurality of water seepage holes 2425, and silt cakes are discharged from the discharged mud outlet bin 2423 under the pushing action of the spiral rod after being fully dehydrated.
In the third embodiment, based on the first embodiment, as shown in fig. 6, the flushing mechanism 25 includes a diversion pipe 251 and a spray head 252, a fixing hoop is sleeved and mounted at the outer end of the diversion pipe 251 and is installed on the filter box 222, a plurality of spray heads 252 are evenly and obliquely installed at the bottom in the diversion pipe 251, and the plurality of spray heads 252 penetrate through the filter box 222 to the inside and face the direction of the filter screen 224; the shunt tube 251 is hollow inside and is connected with a high-pressure pump controlled by an external terminal through a hose;
wherein, the external terminal controls the high-pressure pump to deliver a fixed amount of water to the diversion pipe 251, and the water is sprayed out from the plurality of nozzles 252 on the diversion pipe 251 to wash the silt deposit on the filter screen 224 at high pressure, and the thick sludge flows into the spiral shell stacking mechanism 242 of the box 244 through the pipeline.
In this embodiment: the device adopts a speed reducing motor 2422 with the model number of RH25-1500W, a water pump 2451 with the model number of 80WQK60-13-4, an electromagnetic valve 23 with the model number of ZQDF-60 and an electromagnetic flowmeter valve 21 with the model number of DN300 mm.
The working principle is as follows:
when in use, the external terminal controls the external water pump 2451 to input sewage into the treatment main body 1, the sewage is filtered by the sedimentation tank 11, the catalytic oxidation tank 12 and the biological reaction tank 13, silt in the sewage is filtered by the pretreatment device 2 before the sewage is input into the main body, the sewage enters the filter box 222 from the water inlet pipe 223, larger silt in the sewage is intercepted and filtered by the filter screen, the filtered sewage flows out from the water outlet pipe 221 and enters the main body through the electromagnetic flowmeter valve 21, when the silt on the filter screen 224 is deposited and blocked, the electromagnetic flowmeter valve 21 detects that the flow of the sewage is reduced and sends data to the external terminal, the external terminal controls the water pump 2451 to stop working, the electromagnetic valve 23 is controlled to be opened, the sewage mixed with the silt enters the solid-liquid separation mechanism 24, and then the external terminal controls the high-pressure pump to quantitatively convey the water into the water diversion pipe 251, the sludge is sprayed out from the plurality of spray heads 252 on the shunt tubes 251 to perform high-pressure washing on the sediment deposits on the filter screen 224, the viscous sludge flows into the screw stacking mechanism 242 of the box body 244 through a pipeline, the external terminal controls the speed reduction motor 2422 to drive the threaded rod 2424 to rotate slowly, the viscous sludge enters the outer frame and is pushed by the screw shaft rotating blades of the threaded rod 2424 to move towards the discharge port, the sediment is gradually extruded due to the gradual reduction of the screw pitch between the screw shaft rotating blades and the plurality of fixed rings 2421, dehydration starts under the action of pressure, water flows out from the filtering gap between the screw shaft blades and the fixed rings 2421 and falls into the water storage tank 245 through the plurality of water seepage holes 2425, and the sediment cake is discharged from the sludge discharge bin 2423 under the pushing action of the screw rod after being fully dehydrated;
in the course of the work, can carry the sedimentation filtration work in the sedimentation tank 11 of handling main part 1 with the sewage in the storage water tank 245 through water pump 2451, also can carry the silt of sedimentation tank 11 bottom through sludge pump 111 and carry the dehydration work in the frame, through this mechanism, can carry out silt filtration with filterable sewage, reduce the silt content in the sewage, make its later stage handle main part 1 and accelerate precipitation efficiency, and prevent that ultrafiltration membrane reactor 131 from adsorbing a large amount of silt and leading to frequently blockking up, improve filtration system's operating efficiency.
Claims (10)
1. The utility model provides an ultrafiltration membrane catalytic oxidation reaction unit for waste water treatment, is including handling main part (1), it has the inlet tube to handle main part (1) one side end through connection, and another opposite end through connection has water drainage pipe mouth (3), it includes sedimentation tank (11), catalytic oxidation pond (12) and biological reaction pond (13) to handle main part (1), the bottom is provided with sludge pump (111) in sedimentation tank (11), catalytic oxidation pond (12) inner bottom is provided with aeration head (123), and aeration head (123) top packing has catalyst layer (122), it is provided with ozone generator (121) and aeration head (123) pipe connection to handle main part (1) top, biological reaction pond (13) inside is provided with ultrafiltration membrane reactor (131), its characterized in that: one end, far away from the treatment main body (1), of the water inlet pipe is connected with a pretreatment device (2) in a through mode, the pretreatment device (2) comprises an electromagnetic flow meter valve (21), one end of the electromagnetic flow meter valve (21) is installed on the treatment main body (1), the other end of the electromagnetic flow meter valve is connected with a filtering mechanism (22), the top of the filtering mechanism (22) is provided with a washing mechanism (25), a pipeline at the bottom of the filtering mechanism (22) is connected with a solid-liquid separation mechanism (24), and an electromagnetic valve (23) is installed on a connecting pipeline;
the filtering mechanism (22) comprises a filtering box (222), the back of the filtering box (222) is connected with a water outlet pipe (221) in a penetrating way to be connected with the electromagnetic flowmeter valve (21), the front of the filtering box (222) is connected with a water inlet pipe (223) in a penetrating way, a filtering net (224) is inlaid in the filtering box (222) to separate a channel between the water inlet pipe (223) and the water outlet pipe (221), the bottom of the filtering box (222) is connected with a sewage outlet pipe (225) and connected with an electromagnetic valve (23) in a penetrating way below the front of the filtering net (224), the solid-liquid separating mechanism (24) comprises a box body (244), the top of the box body (244) is connected with a water conveying pipe (241) and connected with the electromagnetic valve (23), a box door (2441) is hinged to one end box port of the box body (244) far away from the treatment main body (1), and a spiral stacking mechanism (242) is installed on the upper portion in the box body (244), and a water storage tank (245) is arranged at the inner lower part, and a drain pipe (243) is connected with the back surface of the box body (244) in a penetrating way.
2. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment as set forth in claim 1, wherein one end of the drain pipe (243) is connected to the sedimentation tank (11) inside the treatment main body (1) in a through manner, and the other end of the drain pipe (243) is connected to the water storage tank (245) in a through manner.
3. The ultrafiltration membrane catalytic oxidation reaction unit for wastewater treatment as set forth in claim 1, wherein the water inlet pipe port (223) is connected with an external transfer pump pipe.
4. The ultrafiltration membrane catalytic oxidation reaction unit for wastewater treatment according to claim 1, wherein the treatment main body (1) is electrically connected and controlled to an external terminal, and the external terminal is further electrically connected to the electromagnetic flowmeter valve (21), the electromagnetic valve (23), the solid-liquid separation mechanism (24), and the flushing mechanism (25).
5. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment as claimed in claim 1, wherein the spiral stacking mechanism (242) comprises an outer frame and a speed reduction motor (2422), the outer frame is obliquely installed at the upper part in the box body (244), a plurality of fixed rings (2421) are uniformly and fixedly connected inside the outer frame, a threaded rod (2424) is arranged between the fixed rings (2421), the threaded rod (2424) is movably installed in the outer frame and is driven to be connected with the speed reduction motor (2422) in a penetrating manner, a discharge port is formed in one side of the outer frame to penetrate through the box body (244), a sludge discharge port (2423) is installed at the discharge port of the outer end of the box body (244), and the speed reduction motor (2422) is installed on the sludge discharge port (2423).
6. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment according to claim 5, wherein the surface of the threaded rod (2424) is provided with spiral blades which are matched and overlapped with a plurality of fixed rings (2421).
7. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment as claimed in claim 5, wherein a plurality of water seepage holes (2425) are uniformly formed in one side of the bottom in the outer frame in a penetrating manner.
8. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment as claimed in claim 1, wherein a water pump (2451) is installed at the bottom of the water storage tank (245), the water pump (2451) is connected with a drain pipe (243) through a pipeline, and the pipeline of the sludge pump (111) penetrates through the processing main body (1), the box body (244) and the screw stacking mechanism (242) to the inside.
9. The ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment as claimed in claim 1, wherein the flushing mechanism (25) comprises a shunt pipe (251) and a spray head (252), the outer end of the shunt pipe (251) is sleeved with a fixing hoop and is installed on the filter box (222), a plurality of spray heads (252) are evenly and obliquely installed at the bottom in the shunt pipe (251), and the plurality of spray heads (252) penetrate through the filter box (222) to the inside and face the direction of the filter screen (224).
10. The ultrafiltration membrane catalytic oxidation reaction unit for wastewater treatment according to claim 9, wherein the shunt tube (251) is hollow inside and connected with an external terminal-controlled high-pressure pump through a hose.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232306.4A CN114605033A (en) | 2022-03-07 | 2022-03-07 | Ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210232306.4A CN114605033A (en) | 2022-03-07 | 2022-03-07 | Ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment |
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| CN114605033A true CN114605033A (en) | 2022-06-10 |
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| CN202210232306.4A Pending CN114605033A (en) | 2022-03-07 | 2022-03-07 | Ultrafiltration membrane catalytic oxidation reaction device for wastewater treatment |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205933563U (en) * | 2016-08-29 | 2017-02-08 | 秦皇岛国维环境工程有限公司 | Novel rural sewage treatment device of fine motion power integration |
| CN109721118A (en) * | 2018-12-13 | 2019-05-07 | 华新环境工程有限公司 | A kind of sludge adds the filtration system of subsidiary automatic cleaning function when overhauling with pond body |
-
2022
- 2022-03-07 CN CN202210232306.4A patent/CN114605033A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205933563U (en) * | 2016-08-29 | 2017-02-08 | 秦皇岛国维环境工程有限公司 | Novel rural sewage treatment device of fine motion power integration |
| CN109721118A (en) * | 2018-12-13 | 2019-05-07 | 华新环境工程有限公司 | A kind of sludge adds the filtration system of subsidiary automatic cleaning function when overhauling with pond body |
Non-Patent Citations (1)
| Title |
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| 曾郴林等: "《工业废水处理工程设计实例》", 31 January 2017, 北京：中国环境出版社 * |
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Application publication date: 20220610 |