CN114349288A - Sewage purification unit, sewage treatment system and control system - Google Patents
Sewage purification unit, sewage treatment system and control system Download PDFInfo
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- CN114349288A CN114349288A CN202210043038.1A CN202210043038A CN114349288A CN 114349288 A CN114349288 A CN 114349288A CN 202210043038 A CN202210043038 A CN 202210043038A CN 114349288 A CN114349288 A CN 114349288A
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- 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
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Abstract
The invention relates to a sewage purification unit, a sewage treatment system and a control system, wherein the sewage purification unit comprises: the continuous sludge removal and filtration device comprises a sludge hanging component and a sludge cleaning component, wherein the sludge hanging component is positioned inside the sewage treatment box, and the sludge cleaning component is positioned inside the sludge treatment box; at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device; hang the mud subassembly and utilize the mud deposit of hanging in the mud filter screen of closed-loop type in with sewage treatment pond on hanging the mud filter screen, will hang the mud filter screen and transport to sludge treatment incasement according to the cycle of setting for under controlling means's control, will transport to the mud on hanging the mud filter screen in the sludge treatment case by mud clearance subassembly and clear up, form the closed loop that does not shut down and handle.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a sewage purification unit, a sewage treatment system and a control system.
Background
After the biological medicine and chemical wastewater is primarily purified, the wastewater contains a large amount of suspended matters, the suspension is removed by adding drugs in the traditional treatment method, and secondary pollution is caused if the drugs cannot be removed in the back-end procedure. Therefore, the suspended matters can be cleaned by adding minerals into the clay to prepare the coagulant aid, and the amount of sludge in the wastewater can be increased after the clay is added; but belongs to an environment-friendly additive and cannot cause secondary pollution. As long as it can effectively remove the sludge.
Disclosure of Invention
In view of the above, the present invention provides a sewage purification unit, a sewage treatment system and a control system to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a sewage purification unit comprising:
the sewage treatment device comprises a sewage treatment box, a sludge treatment box and a sewage treatment system, wherein the sludge treatment box is arranged on one side of the sewage treatment box, and a shared side wall is arranged between the sewage treatment box and the sludge treatment box;
the continuous mud-removing and filtering device comprises a mud-hanging component and a sludge cleaning component, wherein the mud-hanging component is positioned inside the sewage treatment box, and the sludge cleaning component is positioned inside the sludge treatment box;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device;
hang the mud subassembly and utilize the mud deposit of hanging in the mud filter screen of closed-loop type in with sewage treatment pond on hanging the mud filter screen, will hang the mud filter screen and transport to sludge treatment incasement according to the cycle of setting for under controlling means's control, will transport to the mud on hanging the mud filter screen in the sludge treatment case by mud clearance subassembly and clear up, form the closed loop that does not shut down and handle.
Further, hang mud subassembly includes: a first driven roller assembly is arranged at one end of the shared side wall and positioned at the front end of the sewage treatment tank, a plurality of groups of tensioning roller assemblies which are arranged in a staggered mode are arranged between the outer side wall of the sewage treatment tank and the shared side wall by taking the first driven roller assembly as an initial position, and the position of the tensioning roller assembly as a final position is positioned at one end of the shared side wall;
a driving roller assembly and a second driven roller assembly are arranged on one side of the shared side wall and positioned in the sludge treatment box, the driving roller assembly is positioned on one side close to the first driven roller assembly, and the second driven roller assembly is positioned on one side of the tensioning roller assembly as the last position;
two screen channels are provided in the common side wall, one of which is located adjacent the first driven roll assembly and the other of which is located adjacent the second driven roll assembly,
the mud hanging filter screen is a closed-loop mud hanging filter screen formed by a driving roller component sequentially passing through a first driven roller component, a plurality of groups of tensioning roller components arranged in a staggered mode, a second driven roller component and a driving roller component.
Further, the sludge cleaning assembly comprises:
an equipment pillar is arranged at the bottom of the sludge treatment box, an equipment placing table is arranged on the equipment pillar, and an inclined water filtering plate is arranged between the bottom of the box and the equipment placing table;
the equipment placing table is provided with a driving motor, a brush assembly and a vibration assembly;
and a motor shaft of the driving motor is provided with a driving wheel which is connected with a first driving wheel arranged on the upper part of the driving roller assembly through a driving belt.
Further, the brush assembly includes:
the hairbrush air cylinder is arranged on the equipment placing table, a hairbrush plate is arranged on a hairbrush air cylinder push rod of the hairbrush air cylinder, and a hairbrush is arranged on the hairbrush plate.
Further, the vibration assembly includes:
the setting is provided with the vibrations motor on the vibrations cylinder push rod of vibrations cylinder, is provided with the vibrations board on the vibrations motor at the equipment place bench.
Furthermore, the microporous filtering device comprises a filtering block which is arranged in a slot on the inner wall of the sewage treatment tank;
a plurality of through holes are uniformly formed in the filter block;
and the microporous ceramic filter is arranged in the through hole, and a filter medium is filled in the microporous ceramic filter.
Further, the biofilm filter device includes:
the primary filtering membrane is arranged at the front end of the filter body, and the secondary filtering membrane is arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode,
the ultrafiltration membrane layer is formed by twisting polyvinylidene fluoride fiber warp yarns and polyvinylidene fluoride fiber weft yarns;
a plurality of vertical polytetrafluoroethylene fiber bundles are adopted between the expansion layer and the ultrafiltration membrane layer for nodulation to form a plurality of filling gaps, and blocky activated carbon filter cotton is filled in the filling gaps;
the secondary filtration membrane is an MBR membrane module.
Further, the first driven roller assembly includes: the sewage treatment device comprises a bearing seat arranged on a bottom cover of the sewage treatment tank, a first driven bearing positioned in the first driven bearing seat, a first driven shaft rod arranged in the first driven bearing, and a first driven wheel arranged at the upper part of the first driven shaft rod;
the first driven rubber sleeve is arranged outside the first driven shaft rod;
the tension roller assembly includes: the sewage treatment device comprises a slide rail, a slide block, a tension roller bearing seat, a tension roller bearing, a tension roller shaft rod and a tension roller rubber sleeve, wherein the slide rail is arranged on a bottom cover of a sewage treatment box, two ends of the slide rail are provided with limit blocks, the slide rail is provided with the slide block, the slide block is provided with the tension roller bearing seat, the tension roller bearing seat is internally provided with a tension roller bearing, the tension roller shaft rod is internally provided with the tension roller shaft rod, and the tension roller rubber sleeve is arranged outside the tension roller shaft rod;
the second driven roller assembly includes: the second driven bearing seat is arranged at the bottom of the box body, the second driven bearing is positioned in the second driven bearing seat, and the second driven shaft lever is arranged in the second driven bearing, penetrates through the bottom of the box body and is connected with a motor shaft of the driven motor through a coupler, and a second driven rubber sleeve is arranged outside the second driven shaft lever;
the drive roller assembly includes: the automatic feeding device comprises a driving roller bearing seat arranged at the bottom of a box body, a driving roller bearing arranged in the driving roller bearing seat and a driving roller shaft rod arranged in the driving roller bearing, wherein a first driving wheel and a second driving wheel are arranged on the upper portion of the driving roller shaft rod, the first driving wheel is connected with a driving wheel through a driving belt, and the second driving wheel is connected with a first driven wheel through a transmission belt.
The present invention also provides a purification treatment system comprising:
a sewage treatment box, a sludge treatment box is arranged at one side of the sewage treatment box,
the sludge hanging component is positioned inside the sewage treatment box, and the sludge cleaning component is positioned inside the sludge treatment box; the sludge cleaning assembly comprises: a brush assembly and a vibration assembly;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device;
the sludge hanging component deposits sludge in the sewage treatment tank on the sludge hanging filter screen by using a closed-loop sludge hanging filter screen, and the sludge hanging filter screen is transferred into the sludge treatment tank according to a set period under the control of the control device;
under the control of the control device, the vibration cylinder drives the vibration cylinder rod to move forward to drive the vibration plate to contact with the mud hanging filter screen, and the mud on the mud hanging filter screen is vibrated to the obliquely arranged water filter plate through vibration; meanwhile, under the control of the control device, the brush cylinder drives the brush cylinder rod to move forward to drive the brush to contact with the mud hanging filter screen so as to clean the mud hanging filter screen, sludge at the lower part of the water filtering plate is filtered and then deposited at a mud outlet, and sewage at the lower part of the water filtering plate is returned into the sewage treatment box again through a pipeline by a lifting pump;
the sewage is treated by a mud hanging filter screen for a plurality of times, then passes through a microporous filtering device, and is subjected to secondary treatment under the action of a plurality of microporous ceramic filters and a filtering medium;
after two treatments by a microporous ceramic filter, the mixture enters a biological membrane filtering device; the biological membrane filtering device is provided with a primary filtering membrane and a secondary filtering membrane arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode, after flowing sewage impacts the surface of the expansion layer, the pore diameter between the elastic fibers and the polytetrafluoroethylene fibers is enlarged due to the impact force formed by the expansion layer, organic pollutants in the sewage can be adsorbed by the activated carbon filter cotton, and then the microorganisms are treated through the ultrafiltration membrane layer and the MBR membrane.
The invention also provides a control system comprising the purification treatment system.
The invention provides a sewage purification unit for carrying out closed-loop treatment on sludge without stopping, which utilizes a closed-loop sludge hanging filter screen to deposit the sludge in a sewage treatment pool on the sludge hanging filter screen, transfers the sludge hanging filter screen into a sludge treatment box according to a set period under the control of a control device, and cleans the sludge transferred to the sludge hanging filter screen in the sludge treatment box by a sludge cleaning component to form the non-stop closed-loop treatment. The closed loop treatment is that the mud hanging filter screen sequentially passes through the first driven roller assemblies, the groups of tensioning roller assemblies arranged in a staggered mode, the second driven roller assemblies and then enters the driving roller assembly to form a closed loop through the driving roller assembly.
According to the mud hanging filter screens processed in a staggered mode, after the mud hanging amount on the filter screens is increased, the mud hanging filter screens are only required to be transferred into the sludge treatment box according to a set period under the control of the control device, the vibration cylinder drives the vibration cylinder rod to move forwards under the control of the control device so as to drive the vibration plate to contact with the mud hanging filter screens, and silt hung on the mud hanging filter screens is vibrated to the obliquely arranged water filter plates through vibration; meanwhile, under the control of the control device, the brush cylinder drives the brush cylinder rod to move forwards to drive the brush to contact with the mud hanging filter screen so as to clean the mud hanging filter screen, the sludge at the lower part of the water filtering plate is deposited at the mud outlet after water is filtered, and the sewage at the lower part of the water filtering plate is returned into the sewage treatment box again through the pipeline by the lifting pump.
Based on the above, this application handles sewage that the sludge loading is big, simultaneously, also can carry out effectual processing to the suspended solid of great particle size or length (general particle size is more than 1mm, or length is more than 2 mm) in the sewage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of a sludge treatment tank in the present invention;
FIG. 3 is a schematic structural view of a first driven roller assembly of the present invention;
FIG. 4 is a schematic view of the configuration of a microfiltration device according to the invention;
FIG. 5 is a schematic view of the structure of the primary filtration membrane of the present invention;
figure 6 is a schematic diagram of the construction of a tension roller assembly of the present invention.
Detailed Description
The present invention is described in detail below with reference to the accompanying drawings, which refer to fig. 1 to 6.
The invention provides a sewage purification unit, comprising:
the sewage treatment system comprises a sewage treatment tank 1, wherein a sludge treatment tank 100 is arranged on one side of the sewage treatment tank 1, and a shared side wall is arranged between the sewage treatment tank 1 and the sludge treatment tank 100;
the bottom of the sewage treatment tank 1 is provided with a plurality of first bases 140, the first bases 140 are positioned on a cement foundation, the bottom of the sludge treatment tank 100 is provided with a plurality of second bases 138, and the second bases 138 are positioned on the cement foundation;
the continuous sludge removal filtering device comprises a sludge hanging component and a sludge cleaning component, wherein the sludge hanging component is positioned inside the sewage treatment box 1, and the sludge cleaning component is positioned inside the sludge treatment box 100;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device; referring to fig. 1, a first microporous filtering device 121 and a second microporous filtering device 122 are arranged in fig. 1, the first microporous filtering device 121 and the second microporous filtering device 122 are respectively arranged in a slot 120 on the inner wall of a sewage treatment tank 1, in fig. 1, the slot 120 is provided with 3 groups, the first two groups are used for installing the first microporous filtering device 121 and the second microporous filtering device 122, because the first microporous filtering device 121 is arranged at the front end, when the amount of sludge accumulated in the first microporous filtering device 121 is increased, the first microporous filtering device 121 can be lifted by a crane, an additional filtering medium (activated carbon) is placed behind the second microporous filtering device 122 after the first microporous filtering device 121 is detached and cleaned, and then the additional filtering medium is placed in the foremost slot 120 after the first microporous filtering device 121 is lifted and cleaned.
The mud hanging component is used for depositing the mud in the sewage treatment tank on the mud hanging filter screen 117 by utilizing the closed-loop mud hanging filter screen 117, the mud hanging filter screen 117 is transferred into the sludge treatment box 100 according to a set period under the control of the control device, and the mud transferred onto the mud hanging filter screen 117 in the sludge treatment box 100 is cleaned by the mud cleaning component to form non-stop closed-loop treatment.
The invention provides a sewage purification unit for carrying out closed-loop treatment on sludge without stopping, which utilizes a closed-loop sludge hanging filter screen 117 to deposit the sludge in a sewage treatment pool on the sludge hanging filter screen 117, transfers the sludge hanging filter screen 117 into a sludge treatment box 100 according to a set period under the control of a control device, and cleans the sludge transferred to the sludge hanging filter screen 117 in the sludge treatment box 100 by a sludge cleaning component to form the closed-loop treatment without stopping. The closed loop treatment is that the mud hanging filter screen 117 passes through the first driven roller assembly 113, the plurality of groups of staggered tension roller assemblies and the second driven roller assembly 115 in sequence from the driving roller assembly 112 to form a closed loop.
Hang mud subassembly includes: a first driven roller assembly 113 is arranged at one end of the common side wall and at the front end of the sewage treatment tank 1, a plurality of groups of tensioning roller assemblies which are arranged in a staggered mode are arranged between the outer side wall of the sewage treatment tank 1 and the common side wall by taking the first driven roller assembly 113 as an initial position, and the position of the tensioning roller assembly as a final position is located at one end of the common side wall; referring to fig. 1, fig. 1 exemplarily depicts a plurality of sets of first, second, third and fourth tension roller assemblies 118, 114, 119 and 116 that are staggered, wherein the fourth tension roller assembly 116 is a final position, and the fourth tension roller assembly 116 is disposed at one end of a common sidewall; of course, the number of tension roller assemblies can be increased or decreased according to actual needs, and generally, the distance between the first tension roller assembly 118 and the third tension roller assembly 119 is 3-6 meters, and the transverse distance of the tension roller assemblies is enlarged, so that the sludge and suspended matters in the sewage can be treated more effectively. Based on the above, this application handles sewage that the sludge loading is big, simultaneously, also can carry out effectual processing to the suspended solid of great particle size or length (general particle size is more than 1mm, or length is more than 2 mm) in the sewage.
According to the sludge hanging filter screen 117, after the sludge hanging amount on the sludge hanging filter screen 117 is increased, the sludge hanging filter screen 117 is transferred into the sludge treatment box 100 according to a set period only by the control of the control device according to the set period, the vibration cylinder drives the vibration cylinder rod to move forwards under the control of the control device to drive the vibration plate to contact with the sludge hanging filter screen 117, and sludge on the sludge hanging filter screen 117 is vibrated to the obliquely arranged water filter plate 131 through vibration; meanwhile, under the control of the control device, the brush cylinder 103 drives the brush cylinder rod 110 to move forward to drive the brush 127 to contact with the mud hanging filter screen 117 so as to brush the mud hanging filter screen 117, the mud at the lower part of the water filter plate 131 is filtered, and then is deposited at the mud outlet 141, and the sewage at the lower part of the water filter plate 131 is returned to the sewage treatment tank 1 again through the pipeline 128 and the water inlet 130 by the lift pump 129.
A driving roller assembly 112 and a second driven roller assembly 115 are arranged on one side of the common side wall and positioned in the sludge treatment tank 100, the driving roller assembly is positioned on one side close to the first driven roller assembly 113, and the second driven roller assembly 115 is positioned on one side of the tension roller assembly as the final position;
two filter screen channels 136 are arranged on the common side wall, wherein one filter screen channel 136 is arranged near the first driven roller assembly 113, and the other filter screen channel 136 is arranged near the second driven roller assembly 115, as a preferable mode, rubber pads are arranged on two sides of the filter screen channel 136 to prevent the mud hanging filter screen 117 from being scratched when the mud hanging filter screen 117 passes through the filter screen channel 136, in this application, the width of the filter screen channel 136 is 2-3 times of the width of the mud hanging filter screen 117, and is actually less than 1 cm, the amount of sewage entering the sludge treatment tank through the filter screen channel 136 can be ignored, even if the sewage is deposited, the sewage can be deposited to the lower part of the water filter plate 131 through the inclined water filter plate 131 arranged at the bottom of the sludge treatment tank 100, and then is conveyed to the front end of the sewage treatment tank 1 through the pipeline 128 through the lift pump 129.
In the above, the mud hanging screen 117 is a closed loop formed by the driving roller assembly 112 sequentially passing through the first driven roller assembly 113, the plurality of sets of tension roller assemblies staggered and the second driven roller assembly 115 and then passing through the driving roller assembly 112, and the sludge is continuously treated in the closed loop without stopping.
In the above, the first driven roller assembly 113 includes: a first driven bearing seat arranged on the bottom cover 200 of the sewage treatment tank 1, a first driven bearing positioned in the first driven bearing seat, a first driven shaft rod arranged in the first driven bearing, and a first driven wheel 102 arranged on the upper part of the first driven shaft rod;
the first driven rubber sleeve is arranged outside the first driven shaft rod;
the tension roller assembly includes: the device comprises a slide rail 300 arranged on a bottom cover 200 of a sewage treatment tank 1, limiting blocks 301 arranged at two ends of the slide rail 300, a slide block 302 arranged on the slide rail 300, a tension roller bearing seat 303 arranged on the slide block 302, a tension roller bearing arranged in the tension roller bearing seat 303, a tension roller shaft rod 305 arranged in the tension roller bearing, and a tension roller rubber sleeve 304 arranged outside the tension roller shaft rod;
the second driven roller assembly 115 includes: a second driven bearing seat 133 arranged at the bottom of the box body, a second driven bearing 134 positioned in the second driven bearing seat 133, and a second driven shaft lever 137 arranged in the second driven bearing, wherein the second driven shaft lever 137 penetrates through the bottom of the box body and is connected with a motor shaft of a driven motor 139 through a coupler, and a second driven rubber sleeve 135 is arranged outside the second driven shaft lever;
the drive roller assembly 112 includes: the automatic feeding device comprises a driving roller bearing seat 201 arranged at the bottom of a box body, a driving roller bearing 202 located inside the driving roller bearing seat 201, and a driving roller shaft rod 204 arranged inside the driving roller bearing 202, wherein a first driving wheel 206 and a second driving wheel 205 are arranged on the upper portion of the driving roller shaft rod 204, the first driving wheel 205 is connected with a driving wheel 102 through a driving belt 111, the second driving wheel 205 is connected with a first driven wheel through a transmission belt 126, and a driving roller rubber sleeve 203 is arranged outside the driving roller shaft rod.
The transmission principle is that the driving motor drives the first driving wheel to rotate through the driving belt, the first driving wheel drives the driving roller shaft to rotate in the driving roller bearing, meanwhile, the first driving wheel rotates to drive the second driving wheel to rotate synchronously, the second driving wheel drives the first driven roller assembly 113 to rotate, on the other side, the second driven roller assembly 115 is driven by the bottom driven motor to rotate synchronously with the driving roller assembly 112 and the first driven roller assembly 113, the driving roller assembly 112, the first driven roller assembly 113 and the second driven roller assembly 115 rotate synchronously to drive the mud hanging filter screen 117 to rotate, in order to enable the mud hanging filter screen 117 to rotate smoothly in a closed loop mode, in the application, the surfaces of the first driven rubber sleeve, the tensioning roller rubber sleeve, the second driven rubber sleeve and the driving roller rubber sleeve are uniform particle surfaces, so as to increase friction with the mud hanging filter screen 117.
In the above, the sludge cleaning assembly comprises:
an equipment support is arranged at the bottom of the sludge treatment tank 100, an equipment placing table 105 is arranged on the equipment support, and an inclined water filtering plate 131 is arranged between the bottom of the tank and the equipment placing table 105;
the apparatus placing table 105 is provided with a driving motor 101, a brush assembly and a vibration assembly;
a motor shaft of the driving motor is provided with a driving wheel 102, and the driving wheel 102 is connected with a first driving wheel arranged at the upper part of the driving roller assembly 112 through a driving belt 111.
In the above, the brush assembly includes:
a brush cylinder 103 provided on the equipment placing table 105, and a brush plate 109 provided with a brush 127 is provided on a push rod of the brush cylinder 103.
In the above, the vibration assembly includes:
a vibration cylinder 104 arranged on the equipment placing table 105, a vibration motor 107 arranged on a vibration cylinder push rod 106 of the vibration cylinder 104, and a vibration plate 108 arranged on the vibration motor.
In the above, the micro-porous filtering device comprises a filtering block, which is installed in the slot 120 on the inner wall of the sewage treatment tank 1;
a plurality of through holes are uniformly formed in the filter block;
and a microporous ceramic filter 1210 installed in the through hole, and a filter medium is filled in the microporous ceramic filter.
In the above, the biofilm filter device includes:
a primary filtration membrane 123 disposed at the front end and a secondary filtration membrane 125 disposed at the rear end of the primary filtration membrane; the primary filtering membrane 123 and the secondary filtering membrane 125 are provided in multiple stages and fixed in a fixing groove 124 provided inside the sewage treatment tank 1 by a metal fixing frame.
The primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by interweaving and twisting polytetrafluoroethylene fibers 301 and elastic fibers 302 in a warp-weft mode,
the ultrafiltration membrane layer is formed by twisting polyvinylidene fluoride fiber warp yarns and polyvinylidene fluoride fiber weft yarns 304;
a plurality of vertical polytetrafluoroethylene fiber bundles 300 are adopted between the expansion layer and the ultrafiltration membrane layer to form nodules to form a plurality of filling gaps, and blocky activated carbon filter cotton 303 is filled in the filling gaps;
the secondary filtration membrane is an MBR membrane module.
In the above, the expansion layer adopts polytetrafluoroethylene fiber and elastic fiber warp-weft interweave twisting to constitute, and after the sewage that flows impacted expansion layer surface, the impact force of its formation made the aperture between elastic fiber and the polytetrafluoroethylene fiber enlarged for organic pollutant in the sewage can be filtered the cotton by activated carbon and adsorbed, then carries out the processing of microorganism through ultrafiltration rete and MBR membrane.
The present invention also provides a purification treatment system comprising:
a sewage treatment tank 1, a sludge treatment tank 100 is arranged at one side of the sewage treatment tank 1,
the sludge hanging component is positioned inside the sewage treatment box 1, and the sludge cleaning component is positioned inside the sludge treatment box 100; the sludge cleaning assembly comprises: a brush assembly and a vibration assembly;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device;
the sludge hanging component deposits sludge in the sewage treatment tank on a sludge hanging filter screen 117 by using a closed-loop sludge hanging filter screen 117, and transfers the sludge hanging filter screen 117 into the sludge treatment tank 100 according to a set period under the control of the control device;
under the control of the control device, the vibration cylinder drives the vibration cylinder rod to move forward to drive the vibration plate to contact the mud hanging filter screen 117, and the mud on the mud hanging filter screen 117 is vibrated to the obliquely arranged water filter plate 131 through vibration; meanwhile, under the control of the control device, the brush cylinder 103 drives the brush cylinder rod 110 to move forward to drive the brush to contact with the mud hanging filter screen 117 so as to clean the mud hanging filter screen 117, the mud at the lower part of the water filtering plate 131 is filtered, and then is deposited at the mud outlet, and the sewage at the lower part of the water filtering plate 131 is returned into the sewage treatment tank 1 again through the pipeline 128 by the lifting pump 129;
the sewage is treated for many times by a mud hanging filter screen 117, then passes through a microporous filtering device, and is subjected to secondary treatment under the action of a plurality of microporous ceramic filters and a filtering medium;
after two treatments by a microporous ceramic filter, the mixture enters a biological membrane filtering device; the biological membrane filtering device is provided with a primary filtering membrane and a secondary filtering membrane arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode, after flowing sewage impacts the surface of the expansion layer, the pore diameter between the elastic fibers and the polytetrafluoroethylene fibers is enlarged due to the impact force formed by the expansion layer, organic pollutants in the sewage can be adsorbed by the activated carbon filter cotton, and then the microorganisms are treated through the ultrafiltration membrane layer and the MBR membrane.
The invention also provides a control system comprising the purification treatment system.
The principle of this application does: the sludge in the sewage treatment tank is deposited on the sludge hanging filter screen 117 by using the closed-loop sludge hanging filter screen 117, and the sludge hanging filter screen 117 is transferred into the sludge treatment tank 100 according to a set period under the control of the control device; the vibration cylinder drives the vibration cylinder rod to move forwards under the control of the control device to drive the vibration plate to contact with the mud hanging filter screen 117, after the mud hanging amount on the filter screen is increased, the mud hanging filter screen 117 is transferred into the sludge treatment box 100 according to a set period by the control of the control device according to a set period through a plurality of groups of staggered mud hanging filter screens 117, the vibration cylinder drives the vibration cylinder rod to move forwards under the control of the control device to drive the vibration plate to contact with the mud hanging filter screen 117, and the mud on the mud hanging filter screen 117 is vibrated to the obliquely arranged water filter plate 131 through vibration; meanwhile, under the control of the control device, the brush cylinder 103 drives the brush cylinder rod 110 to move forward to drive the brush to contact with the mud hanging filter screen 117 so as to clean the mud hanging filter screen 117, the mud at the lower part of the water filtering plate 131 is filtered, and then is deposited at the mud outlet, and the sewage at the lower part of the water filtering plate 131 is returned into the sewage treatment tank 1 again through the pipeline 128 by the lifting pump 129;
the sewage is treated for many times by a mud hanging filter screen 117, then passes through a microporous filtering device, and is subjected to secondary treatment under the action of a plurality of microporous ceramic filters and a filtering medium;
after two treatments by a microporous ceramic filter, the mixture enters a biological membrane filtering device; the biological membrane filtering device is provided with a primary filtering membrane and a secondary filtering membrane arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode, after flowing sewage impacts the surface of the expansion layer, the pore diameter between the elastic fibers and the polytetrafluoroethylene fibers is enlarged due to the impact force formed by the expansion layer, organic pollutants in the sewage can be adsorbed by the activated carbon filter cotton, and then the microorganisms are treated through the ultrafiltration membrane layer and the MBR membrane.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (10)
1. Sewage purification unit, its characterized in that includes:
the sewage treatment device comprises a sewage treatment box, a sludge treatment box and a sewage treatment system, wherein the sludge treatment box is arranged on one side of the sewage treatment box, and a shared side wall is arranged between the sewage treatment box and the sludge treatment box;
the continuous mud-removing and filtering device comprises a mud-hanging component and a sludge cleaning component, wherein the mud-hanging component is positioned inside the sewage treatment box, and the sludge cleaning component is positioned inside the sludge treatment box;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device;
hang the mud subassembly and utilize the mud deposit of hanging in the mud filter screen of closed-loop type in with sewage treatment pond on hanging the mud filter screen, will hang the mud filter screen and transport to sludge treatment incasement according to the cycle of setting for under controlling means's control, will transport to the mud on hanging the mud filter screen in the sludge treatment case by mud clearance subassembly and clear up, form the closed loop that does not shut down and handle.
2. The sewage purification unit of claim 1, wherein the sludge hanging assembly comprises: a first driven roller assembly is arranged at one end of the shared side wall and positioned at the front end of the sewage treatment tank, a plurality of groups of tensioning roller assemblies which are arranged in a staggered mode are arranged between the outer side wall of the sewage treatment tank and the shared side wall by taking the first driven roller assembly as an initial position, and the position of the tensioning roller assembly as a final position is positioned at one end of the shared side wall;
a driving roller assembly and a second driven roller assembly are arranged on one side of the shared side wall and positioned in the sludge treatment box, the driving roller assembly is positioned on one side close to the first driven roller assembly, and the second driven roller assembly is positioned on one side of the tensioning roller assembly as the last position;
two screen channels are provided in the common side wall, one of which is located adjacent the first driven roll assembly and the other of which is located adjacent the second driven roll assembly,
the mud hanging filter screen is a closed-loop mud hanging filter screen formed by a driving roller component sequentially passing through a first driven roller component, a plurality of groups of tensioning roller components arranged in a staggered mode, a second driven roller component and a driving roller component.
3. The sewage purification unit of claim 1, wherein the sludge cleaning assembly comprises:
an equipment pillar is arranged at the bottom of the sludge treatment box, an equipment placing table is arranged on the equipment pillar, and an inclined water filtering plate is arranged between the bottom of the box and the equipment placing table;
the equipment placing table is provided with a driving motor, a brush assembly and a vibration assembly;
and a motor shaft of the driving motor is provided with a driving wheel which is connected with a first driving wheel arranged on the upper part of the driving roller assembly through a driving belt.
4. The sewage purification unit of claim 3, wherein the brush assembly comprises:
the hairbrush air cylinder is arranged on the equipment placing table, a hairbrush plate is arranged on a hairbrush air cylinder push rod of the hairbrush air cylinder, and a hairbrush is arranged on the hairbrush plate.
5. The sewage purification unit of claim 3, wherein the vibration assembly comprises:
the setting is provided with the vibrations motor on the vibrations cylinder push rod of vibrations cylinder, is provided with the vibrations board on the vibrations motor at the equipment place bench.
6. The sewage purification unit according to claim 1, wherein the micro-porous filtering device comprises a filtering block which is installed in a slot on the inner wall of the sewage treatment tank;
a plurality of through holes are uniformly formed in the filter block;
and the microporous ceramic filter is arranged in the through hole, and a filter medium is filled in the microporous ceramic filter.
7. The sewage purification unit of claim 1, wherein the biofilm filtration device comprises:
the primary filtering membrane is arranged at the front end of the filter body, and the secondary filtering membrane is arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode,
the ultrafiltration membrane layer is formed by twisting polyvinylidene fluoride fiber warp yarns and polyvinylidene fluoride fiber weft yarns;
a plurality of vertical polytetrafluoroethylene fiber bundles are adopted between the expansion layer and the ultrafiltration membrane layer for nodulation to form a plurality of filling gaps, and blocky activated carbon filter cotton is filled in the filling gaps;
the secondary filtration membrane is an MBR membrane module.
8. The sewage purification unit of claim 2,
the first driven roller assembly includes: the sewage treatment device comprises a bearing seat arranged on a bottom cover of the sewage treatment tank, a first driven bearing positioned in the first driven bearing seat, a first driven shaft rod arranged in the first driven bearing, and a first driven wheel arranged at the upper part of the first driven shaft rod;
the first driven rubber sleeve is arranged outside the first driven shaft rod;
the tension roller assembly includes: the sewage treatment device comprises a slide rail, a slide block, a tension roller bearing seat, a tension roller bearing, a tension roller shaft rod and a tension roller rubber sleeve, wherein the slide rail is arranged on a bottom cover of a sewage treatment box, two ends of the slide rail are provided with limit blocks, the slide rail is provided with the slide block, the slide block is provided with the tension roller bearing seat, the tension roller bearing seat is internally provided with a tension roller bearing, the tension roller shaft rod is internally provided with the tension roller shaft rod, and the tension roller rubber sleeve is arranged outside the tension roller shaft rod;
the second driven roller assembly includes: the second driven bearing seat is arranged at the bottom of the box body, the second driven bearing is positioned in the second driven bearing seat, and the second driven shaft lever is arranged in the second driven bearing, penetrates through the bottom of the box body and is connected with a motor shaft of the driven motor through a coupler, and a second driven rubber sleeve is arranged outside the second driven shaft lever;
the drive roller assembly includes: the automatic feeding device comprises a driving roller bearing seat arranged at the bottom of a box body, a driving roller bearing arranged in the driving roller bearing seat and a driving roller shaft rod arranged in the driving roller bearing, wherein a first driving wheel and a second driving wheel are arranged on the upper portion of the driving roller shaft rod, the first driving wheel is connected with a driving wheel through a driving belt, and the second driving wheel is connected with a first driven wheel through a transmission belt.
9. A decontamination processing system, comprising:
a sewage treatment box, a sludge treatment box is arranged at one side of the sewage treatment box,
the sludge hanging component is positioned inside the sewage treatment box, and the sludge cleaning component is positioned inside the sludge treatment box; the sludge cleaning assembly comprises: a brush assembly and a vibration assembly;
at least one group of microporous filtering devices are arranged at the rear end of the mud hanging component, and a biological membrane filtering device is arranged at the rear side of each microporous filtering device;
the sludge hanging component deposits sludge in the sewage treatment tank on the sludge hanging filter screen by using a closed-loop sludge hanging filter screen, and the sludge hanging filter screen is transferred into the sludge treatment tank according to a set period under the control of the control device;
under the control of the control device, the vibration cylinder drives the vibration cylinder rod to move forward to drive the vibration plate to contact with the mud hanging filter screen, and the mud on the mud hanging filter screen is vibrated to the obliquely arranged water filter plate through vibration; meanwhile, under the control of the control device, the brush cylinder drives the brush cylinder rod to move forward to drive the brush to contact with the mud hanging filter screen so as to clean the mud hanging filter screen, sludge at the lower part of the water filtering plate is filtered and then deposited at a mud outlet, and sewage at the lower part of the water filtering plate is returned into the sewage treatment box again through a pipeline by a lifting pump;
the sewage is treated by a mud hanging filter screen for a plurality of times, then passes through a microporous filtering device, and is subjected to secondary treatment under the action of a plurality of microporous ceramic filters and a filtering medium;
after two treatments by a microporous ceramic filter, the mixture enters a biological membrane filtering device; the biological membrane filtering device is provided with a primary filtering membrane and a secondary filtering membrane arranged at the rear end of the primary filtering membrane;
the primary filtering membrane comprises an expansion layer, a filling layer and an ultrafiltration membrane layer;
the expansion layer is formed by weaving and twisting polytetrafluoroethylene fibers and elastic fibers in a warp-weft mode, after flowing sewage impacts the surface of the expansion layer, the pore diameter between the elastic fibers and the polytetrafluoroethylene fibers is enlarged due to the impact force formed by the expansion layer, organic pollutants in the sewage can be adsorbed by the activated carbon filter cotton, and then the microorganisms are treated through the ultrafiltration membrane layer and the MBR membrane.
10. A control system comprising the purification treatment system of claim 9.
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| CN202210043038.1A CN114349288B (en) | 2022-01-14 | 2022-01-14 | Sewage purification unit, sewage treatment system and control system |
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| CN202210043038.1A CN114349288B (en) | 2022-01-14 | 2022-01-14 | Sewage purification unit, sewage treatment system and control system |
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| CN114349288B CN114349288B (en) | 2023-05-02 |
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