CN115571977A - EBR efficient biochemical treatment process - Google Patents
EBR efficient biochemical treatment process Download PDFInfo
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- CN115571977A CN115571977A CN202211315889.3A CN202211315889A CN115571977A CN 115571977 A CN115571977 A CN 115571977A CN 202211315889 A CN202211315889 A CN 202211315889A CN 115571977 A CN115571977 A CN 115571977A
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000008569 process Effects 0.000 title claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 239000010865 sewage Substances 0.000 claims abstract description 69
- 239000007921 spray Substances 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 23
- 230000004089 microcirculation Effects 0.000 claims abstract description 7
- 238000005273 aeration Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 230000000813 microbial effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000004087 circulation Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract description 7
- 238000010894 electron beam technology Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000006213 oxygenation reaction Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
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Images
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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses an EBR (electron beam radiation) high-efficiency biochemical treatment process, which uses a biochemical treatment device, and the device comprises a main body unit, a pressurizing unit and a pretreatment unit, wherein the main body unit comprises: the device comprises a treatment tank, a fixed support arranged in the treatment tank and EBR filler modules uniformly distributed on the fixed support; the pressurizing unit includes: the device comprises a pressurizing water tank fixedly arranged on the inner side wall of the treatment tank, a mounting seat arranged on the outer side wall of the treatment tank and a piston pressing plate arranged in the pressurizing water tank. According to the invention, the piston pressing plate is driven to slide upwards by the hydraulic cylinder, the gate component is lifted to open the openings at the two sides of the pressurized water tank, sewage at the two sides in the tank gathers to flow towards the middle part, the sewage flows into the pressurized water tank, the piston pressing plate is driven to descend by the hydraulic cylinder, the sewage in the pressurized water tank is extruded and then is sprayed out from the spray head, the micro-circulation flow of the sewage in the tank is promoted, and the contact of the sewage and a biological membrane in the EBR filler module is accelerated.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to an EBR (Electron Back-reflection) efficient biochemical treatment process.
Background
The reinforced biomembrane reactor is called EBR for short. The EBR process is an integrated system: the biological membrane and the activated sludge are adopted, an EBR process system needs to consider various influencing factors, the EBR process system is tightly combined with objective conditions of various sewage plants, the biological activity and the biological total amount are enhanced through EBR fillers, the biological population is increased, the biological chain is prolonged, the reasonable nutrition proportion and process conditions are controlled, and the purposes of high efficiency, low consumption, total nitrogen removal and sludge reduction are realized.
In the conventional EBR process, after the EBR filler is placed in the aerobic tank, because the sewage in the tank is introduced and then only promotes the flowing contact of the water body and the filler in an aeration mode, the water is difficult to circularly flow in the tank, and bubbles are easily formed on the water surface in the tank after aeration, and can reduce the oxygenation capacity of the water body and limit the water treatment capacity of the filler, so an EBR high-efficiency biochemical treatment process is provided to solve the problems.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the prior EBR high-efficiency biochemical treatment process.
In order to solve the technical problems, the invention provides the following technical scheme: an EBR high-efficiency biochemical treatment process, which uses a biochemical treatment device comprising a main body unit, a pressurizing unit and a pretreatment unit, the process comprising the steps of:
the method comprises the following steps: introducing sewage to be treated into a water inlet tank through a water inlet pipe, performing graded filtration through a trapezoidal filter box to filter large-particle impurities in the water, and then lifting the sewage at the bottommost layer into a treatment tank through a lifting pump;
step two: introducing gas into the gas connecting pipes through a high-pressure gas pump, so that a plurality of aeration main pipes arranged side by side are matched with an aerator for aeration, so that sewage in the tank is always kept in an active state, the wastewater is fully contacted with a biological membrane in the EBR filler module, and the water quality is purified through microbial decomposition;
step three: by keeping the gate assembly in an open state, after sewage on two sides in the treatment tank begins to enter the pressurized water tank, the piston pressing plate is driven by the hydraulic cylinder to move downwards, and the sewage in the tank is extruded to flow upwards from the communicating vertical pipe and finally is sprayed out through the spray head, so that bubbles on the water surface of the treatment tank are eliminated, and the dissolved oxygen rate is improved;
step four: continuously repeating the third step to realize the micro-circulation flow of water in the treatment tank and the pressurized water tank, so that each EBR filler module is fully contacted with flowing sewage, and the water treatment efficiency is improved;
wherein the main body unit includes: the device comprises a treatment tank, a fixed support arranged in the treatment tank, and EBR filler modules uniformly arranged on the fixed support, wherein an aeration assembly is arranged below the EBR filler modules;
the pressurizing unit includes: the device comprises a pressurizing water tank fixedly arranged on the inner side wall of the treatment tank, a mounting seat arranged on the outer side wall of the treatment tank, piston pressing plates arranged in the pressurizing water tank, and hydraulic cylinders symmetrically arranged on the mounting seat, wherein the output end of the hydraulic cylinder is provided with a piston rod, the bottom end of the piston rod is fixedly arranged on the piston pressing plate, openings are symmetrically arranged on two sides of the pressurizing water tank, fine filter screens are fixedly connected to the outer sides of the openings, a gate assembly is arranged on the inner side of each opening, defoaming spraying assemblies are arranged on two sides of the pressurizing water tank, and a sewage circulation passage is reserved between the pressurizing water tank and the bottom wall of the treatment tank;
the preprocessing unit includes: the sewage treatment device comprises a water inlet tank, a trapezoidal filter box and a water inlet pipe, wherein the water inlet tank is arranged on one side of the treatment tank, the trapezoidal filter box is arranged in the water inlet tank, the water inlet pipe is arranged on one side of the water inlet tank, a mounting table is fixedly connected to the water inlet tank, and a sewage lifting device is arranged on the mounting table.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: the gate assembly comprises slide rails, a counterweight gate, traction ropes, a connecting ring and a main lifting rope, wherein the slide rails are symmetrically arranged on the inner wall of the pressurizing water tank, the counterweight gate is arranged on the slide rails in a sliding mode, the traction ropes are symmetrically connected on the counterweight gate, one end of each traction rope is connected with the connecting ring, the main lifting rope is fixedly connected to the connecting ring, and the main lifting rope is fixedly connected to the bottom side of the piston pressing plate.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: defoaming spray assembly including the symmetry set up in intercommunication standpipe in the pressurized water tank, the intercommunication standpipe passes through return bend and pressurized water tank fixed coordination, the intercommunication standpipe runs through the setting of piston clamp plate, the return bend passes pressurized water tank's one end and rotates and be connected with the rotating-tube, the symmetry intercommunication is provided with the shower on the rotating-tube, the shower distributes and is provided with a plurality of shower nozzles.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: the spray heads are pairwise in a group and distributed in a splayed shape, the inner wall of the treatment pool is symmetrically and fixedly connected with a fixed plate, and when the spray pipes rotate to a horizontal state, the tail ends of the spray pipes abut against the fixed plate.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: trapezoidal filter box has set gradually three filter chamber, three from last to down one side of filter chamber has set gradually first filter screen, second filter screen, third filter screen respectively, and the aperture of first filter screen, second filter screen and third filter screen reduces in proper order.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: the sewage lifting device comprises: the lifting pump is fixedly arranged on the mounting table, the lifting pipe is arranged at the water inlet end of the lifting pump, the water feeding pipe is arranged at the water outlet end of the lifting pump, and the lifting pipe extends to the bottom side of the water inlet pool.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: the aeration assembly comprises: the aeration main pipes are uniformly arranged, each aeration main pipe is connected with a plurality of one-way valves through a joint pipe, and each one-way valve is connected with an aerator.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: the bottom side of the treatment tank is reserved with an installation channel, the aeration main pipe is installed in the installation channel, the joint pipe penetrates through the bottom wall of the treatment tank, one end of the aeration main pipe is fixedly communicated with the air receiving pipe, and the air receiving pipe is externally connected with a high-pressure air pump.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: and a water outlet pipe is arranged on one side of the treatment tank, and a control valve is arranged on the water outlet pipe.
As a preferable scheme of the EBR high-efficiency biochemical treatment process, the EBR high-efficiency biochemical treatment process comprises the following steps: in the third step, when the piston pressing plate moves upwards, the counterweight gate is pulled and synchronously opened, sewage on two sides circularly flows into the pressurizing water tank, when the piston pressing plate moves downwards, the counterweight gate slides downwards until the opening of the pressurizing water tank is sealed, at the moment, the piston pressing plate continues to move downwards, and the sewage in the pressurizing water tank is extruded by pressure and is upwards discharged from the communicating vertical pipe and finally sprayed out from the spray head.
The invention has the beneficial effects that:
1. the piston pressing plate is driven to slide upwards through the hydraulic cylinder, so that the gate component is lifted to open the openings at the two sides of the pressurizing water tank, sewage at the two sides in the tank gathers to flow towards the middle part, the sewage flows into the pressurizing water tank, then the piston pressing plate is driven to descend through the hydraulic cylinder, the sewage in the pressurizing water tank is extruded and then is sprayed out from the spray head when the gate component is closed, the micro-circulation flow of the sewage in the tank is promoted, the contact of the sewage and a biological membrane in the EBR filler module is accelerated, and the water treatment efficiency is improved;
2. through the bubble of shower nozzle spun sewage flush in pond internal water surface to improve the oxygenation ability of pond internal sewage, in discharging sewage into the intake pipe through the inlet tube, make the large granule impurity in the sewage filtered by multi-stage filter, the rethread elevator pump promotes to carry out follow-up purification treatment in the treatment tank.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of one side of the biochemical treatment apparatus of the EBR high-efficiency biochemical treatment process according to the present invention.
FIG. 2 is a schematic view of the other side of the biochemical treatment apparatus of the EBR high-efficiency biochemical treatment process according to the present invention.
FIG. 3 is a schematic structural diagram of a processing tank of a biochemical processing device of the EBR high-efficiency biochemical processing technology according to the present invention.
Fig. 4 is a schematic diagram of the internal structure of the water inlet tank of the biochemical treatment device of the EBR high-efficiency biochemical treatment process according to the present invention.
FIG. 5 is a schematic structural diagram of a pressurized water tank of a biochemical treatment apparatus for an EBR high-efficiency biochemical treatment process according to the present invention;
FIG. 6 is a schematic view of the valve assembly of FIG. 5 after opening;
FIG. 7 is a schematic structural view of a valve assembly of a biochemical treatment apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the micro-circulation principle of sewage in the pool of the EBR high-efficiency biochemical treatment process provided by the invention.
In the figure: 100-main body unit, 101-treatment tank, 102-installation channel, 103-water outlet pipe, 104-control valve, 105-joint pipe, 106-aeration main pipe, 107-one-way valve, 108-aerator, 109-fixed bracket, 110-EBR filler module, 111-fixed plate, 200-pressurizing unit, 201-pressurizing water tank, 202-installation seat, 203-hydraulic cylinder, 203 a-piston rod, 204-spraying pipe, 205-spray head, 206-rotating pipe, 207-piston press plate, 208-communication vertical pipe, 209-gate component, 209 a-slide rail, 209 b-counterweight gate, 209 c-hauling rope, 209 d-connection hoisting ring, 209 e-main hoisting rope, 210-fine filtration net, 300-pretreatment unit, 301-water inlet tank, 302-water inlet pipe, 303-ladder type filter box, 304-first filter net, 305-second filter net, 306-third filter net, 307-installation platform, 308-lifting pump, 309-water delivery pipe, 310-lifting pipe.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and for convenience of illustration, the cross-sectional views illustrating the device structures are not enlarged partially according to the general scale when describing the embodiments of the present invention, and the drawings are only exemplary, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 8, in accordance with a first embodiment of the present invention, there is provided an EBR biochemical treatment process using a biochemical treatment apparatus including: a main body unit 100, a pressurizing unit 200, and a pre-treating unit 300, the process comprising the steps of:
the method comprises the following steps: introducing sewage to be treated into a water inlet tank 301 through a water inlet pipe 302, performing graded filtration through a trapezoidal filter box 303 to filter large-particle impurities in the water, and then lifting the sewage at the bottommost layer into a treatment tank 101 through a lifting pump 308;
step two: introducing gas into the gas receiving pipe 105 through a high-pressure gas pump, so that a plurality of aeration main pipes 106 which are arranged side by side are matched with an aerator 108 for aeration, so that sewage in the tank is always kept in an active state, the wastewater is fully contacted with a biological membrane in an EBR filler module 110, the water quality is purified through microbial decomposition, the EBR filler arranged in the tank is used for forming a sludge-membrane sewage treatment system, suspended active sludge exists in the tank, the biological membrane and a large number of metazoans are attached to the EBR filler, and the metazoans are used for predating residual bacteria and predating the metazoans step by prolonging a food chain, so that ecological balance is realized, the carbon conversion rate is improved, the total volume of the residual sludge in the sewage is reduced while the biological total nitrogen removal is enhanced;
step three: by keeping the gate component 209 in an open state, after sewage on two sides in the treatment tank 101 starts to enter the pressurized water tank 201, the piston pressing plate 207 is driven by the hydraulic cylinder 203 to move downwards, the sewage in the tank flows upwards from the communication vertical pipe 208 under extrusion and is finally sprayed out through the spray nozzle 205, so that bubbles on the water surface of the treatment tank 101 are eliminated, and the dissolved oxygen rate is improved, in the step, when the piston pressing plate 207 moves upwards, the counterweight gate 209b is drawn and synchronously opened, the sewage on two sides circularly flows into the pressurized water tank 201, and when the piston pressing plate 207 moves downwards, the counterweight gate 209b slides downwards until the opening of the pressurized water tank 201 is closed, at the moment, the piston pressing plate 207 continues to move downwards, and the sewage in the pressurized water tank 201 is upwards discharged from the communication vertical pipe 208 under pressure extrusion and is finally sprayed out from the spray nozzle 205;
step four: continuously repeating the action of the third step to realize the micro-circulation flow of the water in the treatment tank 101 and the pressurized water tank 201, so that each EBR filler module 110 is fully contacted with the flowing sewage, and the water treatment efficiency is improved;
wherein the main body unit 100 includes: the treatment tank 101, the fixed support 109 arranged in the treatment tank 101, the EBR filler modules 110 uniformly arranged on the fixed support 109, and the aeration assembly arranged below the EBR filler modules 110, wherein the aeration assembly comprises: a plurality of align to grid's aeration is responsible for 106, every aeration is responsible for 106 and all is connected with a plurality of check valves 107 through the connector union coupling, all be connected with aerator 108 on every check valve 107, treatment tank 101 bottom side reservation has installation passageway 102, the installation of aeration is responsible for 106 and is set up to in the installation passageway 102, the connector pipe runs through the setting of treatment tank 101 diapire, the fixed intercommunication of one end of aeration is responsible for 106 has the trachea 105, and the external high compression pump of trachea 105, avoid whole aeration to be responsible for 106 pipeline submergence in sewage, increase the life of pipeline, one side of treatment tank 101 is provided with outlet pipe 103, be provided with control flap 104 on the outlet pipe 103, a normal discharge for sewage after the processing.
The pressurizing unit 200 includes: the water treatment device comprises a pressurized water tank 201 fixedly arranged on the inner side wall of a treatment tank 101, a mounting seat 202 arranged on the outer side wall of the treatment tank 101, a piston pressing plate 207 arranged in the pressurized water tank 201, and hydraulic cylinders 203 symmetrically arranged on the mounting seat 202, wherein the output end of the hydraulic cylinder 203 is provided with a piston rod 203a, the bottom end of the piston rod 203a is fixedly arranged on the piston pressing plate 207, the piston pressing plate 207 is attached to the inner wall of the pressurized water tank 201, openings are symmetrically arranged on two sides of the pressurized water tank 201, the outer side of each opening is fixedly connected with a fine filter screen 210, the openings are positioned below the pressurized water tank 201, a gate component 209 is arranged on the inner side of each opening, the gate component 209 comprises sliding rails 209a symmetrically arranged on the inner wall of the pressurized water tank 201, a counterweight gate 209b slidably arranged on the sliding rails 209a, and pulling ropes 209c symmetrically arranged on the counterweight gate 209b, one end of each pulling rope 209c is connected through a connecting lifting ring 209d, a main pulling rope 209e is fixedly connected to the connecting lifting rope 209e, and the main pulling rope e is fixedly connected to the bottom side of the piston pressing plate 209e, the gate 209b on two sides of the pressurized water tank 201 can block the opening under natural gravity, and the lifting of the counterweight gate 209b can slide upwards.
A sewage circulating passage is reserved between the pressurized water tank 201 and the tank bottom wall of the treatment tank 101, defoaming spray assemblies are further arranged on two sides of the pressurized water tank 201, each defoaming spray assembly comprises a communicating vertical pipe 208 symmetrically arranged in the pressurized water tank 201, each communicating vertical pipe 208 is fixedly matched with the pressurized water tank 201 through an elbow, each communicating vertical pipe 208 penetrates through a piston pressing plate 207, one end of each elbow penetrating through the pressurized water tank 201 is rotatably connected with a rotating pipe 206, each rotating pipe 206 is symmetrically communicated with a spray pipe 204, each spray pipe 204 is provided with a plurality of spray nozzles 205 in a distributed manner, each spray nozzle 205 is arranged in a group and distributed in a splayed manner, a fixing plate 111 is symmetrically and fixedly connected to the inner wall of the treatment tank 101, when the spray pipes 204 rotate to a horizontal state, the tail ends of the spray pipes 204 abut against the fixing plate 111, the splayed spray nozzles 205 are favorable for improving the spraying range, and the spray pipes 204 can be integrally turned upwards under the rotating effect of the rotating pipes 206, so that the EBR packing modules 110 in the treatment tank can be maintained, and when the piston pressing plates 207 move downwards, on the premise that the opening of the pressurized water tank 201 is blocked by a counterweight 209b, the sewage is communicated with the sewage, and finally extruded out of the vertical pipes 208 and is dispersed bubbles through the surfaces of the spray pipes 205, and the surfaces of the spray pipes 204 and the spray pipes 205;
the preprocessing unit 300 includes: set up in the intake basin 301 of handling pond 101 one side, set up trapezoidal filter box 303 in intake basin 301, and set up in the inlet tube 302 of intake basin 301 one side, trapezoidal filter box 303 is from last to having set gradually three filter chamber down, one side of three filter chamber has set gradually first filter screen 304 respectively, second filter screen 305, third filter screen 306, and first filter screen 304, the aperture of second filter screen 305 and third filter screen 306 reduces in proper order, sewage passes through three filter screen in proper order, carry out hierarchical preliminary treatment and filter, fixedly connected with mount table 307 on the intake basin 301, be provided with sewage hoisting device on the mount table 307, sewage hoisting device includes: the sewage treatment device comprises a lifting pump 308 fixedly arranged on an installation platform 307, a lifting pipe 310 arranged at the water inlet end of the lifting pump 308 and a water supply pipe 309 arranged at the water outlet end of the lifting pump 308, wherein the lifting pipe 310 extends to the bottom side of the water inlet pool 301, and when the lifting pump 308 works, the filtered sewage is lifted into the treatment pool 101 from the bottom of the water inlet pool 301 for subsequent biological purification treatment.
In the use, discharge sewage into intake chamber 301 through inlet tube 302, make the large granule impurity in the sewage filtered by multi-stage filter, the rethread elevator pump 308 promotes and carries out follow-up purification treatment in handling pond 101, drive piston clamp 207 through pneumatic cylinder 203 and upwards slide, make gate subassembly 209 promote and let the opening of pressurized water tank 201 both sides open, the sewage of both sides gathers together to the middle part and flows in the pond, sewage flows in pressurized water tank 201, then drive piston clamp 207 through pneumatic cylinder 203 again and descends, when making gate subassembly 209 closed, pressurized water tank 201's sewage receives the extrusion and spouts from shower nozzle 205 again, thereby promote the microcirculation of sewage in the pond to flow, accelerate the contact of sewage and the interior biomembrane of EBR filler module 110, and improve water treatment efficiency, the bubble on pond surface is dispersed to sewage through shower nozzle 205 spun, thereby improve the oxygenation ability of sewage in the pond.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. An EBR high-efficiency biochemical treatment process, characterized in that the process uses a biochemical treatment apparatus comprising a main body unit (100), a pressurizing unit (200) and a pretreatment unit (300), the process comprising the steps of:
the method comprises the following steps: introducing sewage to be treated into a water inlet tank (301) through a water inlet pipe (302), performing graded filtration through a trapezoidal filter box (303) to filter large-particle impurities in the water, and then lifting the sewage at the bottommost layer into a treatment tank (101) through a lifting pump (308);
step two: gas is introduced into the gas receiving pipe (105) through a high-pressure gas pump, so that a plurality of aeration main pipes (106) which are arranged side by side are matched with an aerator (108) for aeration, sewage in the tank is kept in an active state all the time, the wastewater is fully contacted with a biological film in an EBR filler module (110), and the water quality is purified through microbial decomposition;
step three: by keeping the gate assembly (209) in an open state, after sewage on two sides in the treatment tank (101) begins to enter the pressurized water tank (201), the piston pressing plate (207) is driven to move downwards through the hydraulic cylinder (203), the sewage in the tank is extruded to flow upwards from the communicating vertical pipe (208) and finally is sprayed out through the spray head (205), so that bubbles on the water surface of the treatment tank (101) are eliminated, and the dissolved oxygen rate is improved;
step four: continuously repeating the third step to realize the micro-circulation flow of water in the treatment tank (101) and the pressurized water tank (201), so that each EBR filler module (110) is fully contacted with flowing sewage, and the water treatment efficiency is improved;
wherein the main body unit (100) comprises: the device comprises a treatment tank (101), a fixed support (109) arranged in the treatment tank (101), and EBR filler modules (110) uniformly arranged on the fixed support (109), wherein an aeration assembly is arranged below the EBR filler modules (110);
the pressurizing unit (200) includes: the device comprises a pressurized water tank (201) fixedly arranged on the inner side wall of the treatment tank (101), a mounting seat (202) arranged on the outer side wall of the treatment tank (101), a piston pressing plate (207) slidably arranged in the pressurized water tank (201), and hydraulic cylinders (203) symmetrically arranged on the mounting seat (202), wherein the output end of the hydraulic cylinder (203) is provided with a piston rod (203 a), the bottom ends of the piston rods (203 a) are fixedly arranged on the piston pressing plate (207), two sides of the pressurized water tank (201) are symmetrically provided with openings, the outer sides of the openings are fixedly connected with fine filtering nets (210), the inner sides of the openings are provided with gate assemblies (209), two sides of the pressurized water tank (201) are also provided with defoaming spraying assemblies, and a sewage circulation passage is reserved between the pressurized water tank (201) and the bottom wall of the treatment tank (101);
the pre-processing unit (300) comprises: set up in intake basin (301) of handling pond (101) one side, set up in trapezoidal filter case (303) in intake basin (301) and set up in inlet tube (302) of intake basin (301) one side, fixedly connected with mount table (307) is gone up in intake basin (301), be provided with sewage hoisting device on mount table (307).
2. The EBR high-efficiency biochemical treatment process according to claim 1, characterized in that: gate subassembly (209) including the symmetry set up in slide rail (209 a), the slip of pressurization water tank (201) inner wall set up in counterweight gate (209 b) on slide rail (209 a), symmetric connection set up in haulage rope (209 c) on counterweight gate (209 b), every the one end of haulage rope (209 c) is all connected through connecting rings (209 d), connect fixedly connected with main lifting rope (209 e) on rings (209 d), and main lifting rope (209 e) fixed connection is in the bottom side of piston clamp plate (207).
3. The EBR high-efficiency biochemical treatment process according to claim 2, characterized in that: defoaming spray assembly including the symmetry set up in intercommunication standpipe (208) in pressurization water tank (201), intercommunication standpipe (208) are through return bend and pressurization water tank (201) fixed fit, intercommunication standpipe (208) run through piston clamp plate (207) and set up, the return bend passes the one end of pressurization water tank (201) and rotates and be connected with rotating-barrel (206), the symmetry intercommunication is provided with shower (204) on rotating-barrel (206), shower (204) distribute and are provided with a plurality of shower nozzles (205).
4. The EBR high-efficiency biochemical treatment process according to claim 3, characterized in that: the spray heads (205) are pairwise in a group and distributed in a splayed shape, the inner wall of the treatment pool (101) is symmetrically and fixedly connected with a fixing plate (111), and when the spray pipe (204) rotates to a horizontal state, the tail end of the spray pipe (204) abuts against the fixing plate (111).
5. The EBR high-efficiency biochemical treatment process according to claim 4, wherein: trapezoidal filter case (303) is from last to having set gradually three filter chamber down, three one side of filter chamber has set gradually first filter screen (304), second filter screen (305), third filter screen (306) respectively, and the aperture of first filter screen (304), second filter screen (305) and third filter screen (306) reduces in proper order.
6. The EBR high-efficiency biochemical treatment process according to claim 5, wherein: the sewage lifting device comprises: the device comprises a lifting pump (308) fixedly arranged on the mounting table (307), a lifting pipe (310) arranged at the water inlet end of the lifting pump (308), and a water feeding pipe (309) arranged at the water outlet end of the lifting pump (308), wherein the lifting pipe (310) extends to the bottom side of a water inlet pool (301).
7. The EBR high-efficiency biochemical treatment process according to claim 6, characterized in that: the aeration assembly comprises: the aeration device comprises a plurality of uniformly arranged aeration main pipes (106), wherein each aeration main pipe (106) is connected with a plurality of one-way valves (107) through a joint pipe, and each one-way valve (107) is connected with an aerator (108).
8. The EBR high-efficiency biochemical treatment process according to claim 7, wherein: the bottom side of the treatment tank (101) is reserved with an installation channel (102), the main aeration pipe (106) is installed in the installation channel (102), the joint pipe penetrates through the bottom wall of the treatment tank (101), one end of the main aeration pipe (106) is fixedly communicated with an air receiving pipe (105), and the air receiving pipe (105) is externally connected with a high-pressure air pump.
9. The EBR high-efficiency biochemical treatment process according to claim 8, wherein: and a water outlet pipe (103) is arranged on one side of the treatment pool (101), and a control valve (104) is arranged on the water outlet pipe (103).
10. The EBR biochemical treatment process according to any one of claims 1 to 9, wherein: in the third step, when the piston pressing plate (207) moves upwards, the counterweight gate (209 b) is pulled and opened synchronously, sewage on two sides circularly flows into the pressurizing water tank (201), when the piston pressing plate (207) moves downwards, the counterweight gate (209 b) slides downwards until the opening of the pressurizing water tank (201) is closed, at the moment, the piston pressing plate (207) continues to move downwards, and the sewage in the pressurizing water tank (201) is extruded by pressure and is discharged upwards from the communicating vertical pipe (208), and is finally sprayed out from the spray head (205).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116022977A (en) * | 2023-03-16 | 2023-04-28 | 江苏道同环境科技有限公司 | Composite degradation system for organic matters in battery wastewater |
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