CN110615558A - Turbid liquid sewage treatment device based on MBR (membrane bioreactor) process - Google Patents
Turbid liquid sewage treatment device based on MBR (membrane bioreactor) process Download PDFInfo
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- CN110615558A CN110615558A CN201910992178.1A CN201910992178A CN110615558A CN 110615558 A CN110615558 A CN 110615558A CN 201910992178 A CN201910992178 A CN 201910992178A CN 110615558 A CN110615558 A CN 110615558A
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- sedimentation tank
- water
- wall
- cavity
- block
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- 239000010865 sewage Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 45
- 239000012528 membrane Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 159
- 238000004062 sedimentation Methods 0.000 claims abstract description 90
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 238000000746 purification Methods 0.000 claims abstract description 16
- 239000010802 sludge Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 43
- 239000006260 foam Substances 0.000 claims description 31
- 239000000654 additive Substances 0.000 claims description 20
- 230000000996 additive effect Effects 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 20
- 239000008213 purified water Substances 0.000 claims description 16
- 239000013049 sediment Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000000645 desinfectant Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention discloses a turbid liquid sewage treatment device based on an MBR membrane biological reaction process, which comprises a sedimentation tank body, wherein a sedimentation tank with an upward opening is arranged in the sedimentation tank body, a sedimentation tank is arranged in the inner wall of the lower side of the sedimentation tank in a communicated manner, a sludge pumping pipe communicated with the outside is arranged in the inner wall of the right side of the sedimentation tank, a valve is fixedly arranged in the sludge pumping pipe, a support block body is fixedly arranged on the upper side of the sedimentation tank and positioned in the sedimentation tank through a fixing frame, a reaction cavity with a downward opening is arranged in the support block body, two groups of membrane bodies which are bilaterally symmetrical are fixedly arranged on the inner wall of the upper side of the reaction cavity, a water purification cavity is arranged in each membrane body, and a membrane flap for filtering is arranged on the inner wall of the water purification cavity.
Description
Technical Field
The invention relates to the technical field of sewage treatment in life, production, medical treatment and the like, in particular to a turbid liquid sewage treatment device based on an MBR (membrane bioreactor) membrane biological reaction process.
Background
Sewage is divided into domestic sewage and industrial wastewater, water resource pollution is serious, and normal life of people is influenced. The sewage treatment and reuse, the continuous discharge and discharge of various industrial waste water and domestic sewage pollute a lot of water resources, and the water available in our lives is increasingly lacking. This hazard is also expanding. This vicious circle can only be alleviated if limited resources are more reasonably utilized. The sewage treatment equipment is used for treating the sewage discharged in daily life or production, the purified sewage can be recycled, and the environment is protected greatly.
At present, the conventional sewage purification adopts a sedimentation tank sedimentation decontamination mode, the water purification mode has long time consumption, poor water purification quality, large occupied space and low efficiency, and therefore, the invention aims to design a device for purifying sewage through an MBR membrane biological treatment process.
Disclosure of Invention
In order to solve the problems, the present example designs a suspension sewage treatment device based on MBR membrane biological reaction process, which comprises a sedimentation tank body, wherein a sedimentation tank with an upward opening is arranged in the sedimentation tank body, a sedimentation tank is arranged in the lower inner wall of the sedimentation tank in a communicating manner, a sludge pumping pipe communicated with the outside is arranged in the right inner wall of the sedimentation tank, a valve is fixedly arranged in the sludge pumping pipe, a support block body is fixedly arranged at the upper side of the sedimentation tank and positioned in the sedimentation tank through a fixing frame, a reaction chamber with a downward opening is arranged in the support block body, two groups of membrane bodies which are bilaterally symmetrical are fixedly arranged on the upper inner wall of the reaction chamber, a purified water chamber is arranged in the membrane bodies, membrane flaps for filtering are arranged on the inner wall of the purified water chamber, wherein a water pumping water diversion pipe is arranged at the upper end of the purified water chamber in a communicating manner, and the water pumping water, the water purified in the water purification cavity can be pumped out, an air inlet pipe is arranged on the lower side of the membrane body and positioned in the reaction cavity, an air inlet hole is arranged in the air inlet pipe, the air inlet hole is connected to an external air feeder through an air feed pipe, an exhaust hole is arranged on the inner wall of the upper side of the air inlet hole in a penetrating manner, air in the air inlet hole can be discharged through the exhaust hole and enter the reaction cavity, the reaction cavity is boiled during MBR process water purification, a water inlet pipe communicated with the outside is arranged in the inner wall of the left side of the sedimentation tank close to the upper end opening, external sewage can enter the sedimentation tank through the water inlet pipe, a liquid level control component is arranged in the inner wall of the periphery of the water inlet pipe, and the liquid level control component can supplement the sewage in the sedimentation tank when the liquid level in the sedimentation tank is, the sedimentation tank body is characterized in that a fixing block is fixedly arranged on the end face of the upper side of the sedimentation tank body, an adding component capable of adding disinfectant precipitant into water entering through the water inlet pipe is arranged in the fixing block, and the adding component controls and drives the water entering through the water inlet pipe.
Preferably, the liquid level control assembly comprises a guide chute arranged in the inner wall of the left side of the sedimentation tank, a first foam floating block capable of floating on sewage is slidably arranged in the guide chute, a first traction rope is fixedly arranged on the upper side end face of the first foam floating block, a partition chute communicated with the water inlet pipe and provided with a downward opening is arranged on the upper side of the first foam floating block, a partition sliding block is slidably arranged in the partition chute, wherein the upper end of the first traction rope is fixedly connected to the lower side end face of the partition sliding block, the partition sliding block can partition the water inlet pipe so as to interrupt water inlet of the water inlet pipe, a water pipe capable of being communicated with the water inlet pipe is arranged in the partition sliding block in a left-right penetrating manner, and a limit groove capable of being arranged in the inner wall of the right side of the partition chute in a left-right penetrating manner is arranged, the limiting block capable of limiting the partition sliding block is arranged in the limiting groove in a left-right sliding mode, an elastic assembly is arranged between the limiting block and the inner wall of the limiting groove, two fixing plates which are symmetrical up and down are fixedly arranged on the inner wall of the left side, close to an upper end opening, of the sedimentation tank, a sliding guide column is fixedly arranged between the fixing plates, a second foam plate which is sleeved on the sliding guide column and can float on sewage is arranged between the fixing plates, a second traction rope is connected between the second foam plate and the end face of the right side of the limiting block, when the liquid level in the sedimentation tank descends and drives the first foam floating block to descend in the use process, the descending first foam floating block pulls the partition sliding block to descend through the first traction rope, and when the water inlet pipe is communicated with the water through pipe, the sewage enters the sedimentation tank through the water inlet pipe and the water through pipe to be supplemented, when the partition sliding block descends to the lower side of the limiting block, the limiting block moves leftwards, so that the partition sliding block is limited to move, the state that the water service pipe is communicated with the water inlet pipe can be kept, water can be continuously fed, when the liquid level in the sedimentation tank is higher than the second foam plate and drives the second foam plate to ascend, the second foam plate pulls the limiting block to move rightwards through the second traction rope, the partition sliding block ascends when the limiting block completely retracts into the limiting groove, the highest liquid level and the lowest liquid level in the sedimentation tank can be controlled through the structure, and the liquid level in the sedimentation tank can be kept at the liquid level height capable of continuously purifying water.
Preferably, the elastic assembly comprises an elastic sliding groove communicated with the upper inner wall of the limiting groove, an elastic sliding block capable of sliding left and right in the elastic sliding groove is fixedly arranged on the upper end face of the limiting block, a pushing spring is fixedly arranged between the right end face of the elastic sliding block and the right inner wall of the elastic sliding groove, the pushing spring can always apply leftward thrust to the limiting block, and the position of the partition sliding block is limited after the partition sliding block descends.
Preferably, the adding assembly comprises an additive placing cavity which is fixedly arranged in the fixing block and has an upward opening, a conveying groove is arranged in the inner wall of the lower side of the additive placing cavity, a communicating groove is arranged between the conveying groove and the additive placing cavity in a communicating manner, a feeding groove is arranged between the conveying groove and the water inlet pipe in a communicating manner, the feeding groove is positioned at the left side of the communicating groove, the conveying groove is rotatably provided with a rotating shaft, a conveying blade is fixedly arranged on the rotating shaft, a driving cavity is arranged in the inner wall of the right side of the conveying groove, the right end of the rotating shaft extends into the driving cavity and is fixedly provided with a first gear which can rotate in the driving cavity, a motor fixing block is arranged in the driving cavity in a vertically sliding manner, and a driving motor is fixedly arranged in the motor fixing block, the left end of the driving motor is in power connection with a second gear which can be meshed with the first gear, a reset spring is fixedly connected between the lower side end face of the motor fixing block and the lower side inner wall of the driving cavity, a second traction rope is fixedly connected to the lower side end face of the motor fixing block, a water flow impact cavity with a right opening is formed in the position, communicated with the opening at the right end of the water inlet pipe, of the water flow impact cavity, a water flow impact plate is arranged in the water flow impact cavity, the lower end of the second traction rope extends into the water flow impact cavity and is fixedly connected to the upper end of the water flow impact plate, when sewage flows through the water inlet pipe and impacts the water flow impact plate, the water flow impact plate moves towards the right side in the water flow impact cavity, the second traction rope is further pulled, and the motor fixing block is further pulled to move downwards to enable the second gear to be meshed, at the moment, the driving motor is started and drives the rotating shaft to rotate through the second gear and the first gear, so that the additive and the disinfectant which fall into the conveying groove through the communicating groove in the additive containing cavity are pushed to the left side and fall into the water inlet pipe through the feeding groove to be mixed with water, and the additive and the sewage can be fully mixed in the process of flowing through the water inlet pipe.
Preferably, one end of the support block body, far away from the fixing frame, is fixedly provided with a connecting plate, the left side and the right side of the support block body are provided with a connecting plate, the connecting plate is fixed on the inner wall of the sedimentation tank through a bolt fixing hole arranged in the connecting plate and a fixing bolt, and the support block body can be conveniently detached and replaced through the connecting mode of the fixing bolt and the bolt fixing hole.
Preferably, a grid baffle column is fixedly arranged between the inner walls of the front side and the rear side of the sedimentation tank, the grid baffle column can reduce the influence of liquid flowing in the sedimentation tank on the sedimentation tank, and then sludge in the sedimentation tank can be better precipitated.
Preferably, the valve is opened at regular time, so that sediments and sludge in the sedimentation tank are cleared away at regular time, and the phenomenon that the sediments in the sedimentation tank are accumulated to cause the reduction of the water purification effect is prevented.
Preferably, the membrane flap has a membrane pore size of 0.1 to 0.4 μm, and the precipitate in the wastewater may be filtered when water molecules pass through the membrane flap.
Preferably, the water pumping and dividing pipes are arranged and distributed in 6 groups at the front and back of the upper end of the water purifying cavity, so that the purified water in the water purifying cavity can be extracted quickly, and the water purifying efficiency is improved.
The device has the advantages that the device discharges water by suction, and the energy consumption is relatively low; take up an area of and put formula more compacter than the branch to when using, the height of accessible mechanical structure detection pond liquid level, and then accomplish the work of ration intaking automatically, need not staff manual operation, simultaneously, at the in-process of intaking, can be automatic add appropriate amount of additive in to sewage, and then disinfect to sewage, this device simple structure, convenient to use is worth recommending the purification process who uses in life, production and medical sewage.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a turbid liquid sewage treatment device based on MBR membrane biological reaction process;
FIG. 2 is an enlarged schematic view of "A" in FIG. 1;
FIG. 3 is an enlarged schematic view of "B" in FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" in FIG. 1;
FIG. 5 is a schematic view of the structure in the direction "D-D" in FIG. 1;
FIG. 6 is a schematic left-side view of the support block and the water-pumping water distribution pipe of FIG. 1;
fig. 7 is a schematic structural view in a left side view of the additive placing chamber in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a turbid liquid sewage treatment device based on MBR membrane biological reaction process, which is mainly applied to various sewage purification treatment processes of life, production, medical treatment and the like, and the invention is further explained by combining the attached drawings of the invention:
the suspension sewage treatment device based on the MBR membrane biological reaction process comprises a sedimentation tank body 101, wherein a sedimentation tank 102 with an upward opening is arranged in the sedimentation tank body 101, a sedimentation tank 103 is arranged in the inner wall of the lower side of the sedimentation tank 102 in a communicated manner, a sludge pumping pipe 105 communicated with the outside is arranged in the inner wall of the right side of the sedimentation tank 103, a valve 106 is fixedly arranged in the sludge pumping pipe 105, a support block body 123 is fixedly arranged on the upper side of the sedimentation tank 103 and positioned in the sedimentation tank 102 through a fixing frame 118, a reaction cavity 124 with a downward opening is arranged in the support block body 123, two groups of membrane bodies 122 which are bilaterally symmetrical are fixedly arranged on the inner wall of the upper side of the reaction cavity 124, a purified water cavity 126 is arranged in the membrane body 122, a membrane flap 125 for filtering is arranged on the inner wall of the purified water cavity 126, wherein a water pumping pipe 127 is arranged in the communication manner, the water pumping and dividing pipes 127 on the two sides are connected to an external negative pressure water pump through a main water pumping pipe 128, so that purified water in the purified water chamber 126 can be pumped out, an air inlet pipe 129 is arranged on the lower side of the membrane 122 and in the reaction chamber 124, an air inlet hole 131 is arranged in the air inlet pipe 129, wherein the air inlet hole 131 is connected to an external air feeder through an air feeding pipe 161, an air outlet hole 132 is arranged on the inner wall of the upper side of the air inlet hole 131 in a penetrating manner, air in the air inlet hole 131 can be discharged through the air outlet hole 132 and enter the reaction chamber 124, so that the interior of the reaction chamber 124 is boiled when water is purified by an MBR process, an external water inlet pipe 108 is arranged in the inner wall of the left side of the sedimentation tank 102 near the upper end opening, and external sewage can enter the sedimentation tank 102 through the water inlet pipe 108, be provided with liquid level control assembly in the week side inner wall of inlet tube 108, liquid level control assembly can be in the liquid level is low when low in the sedimentation tank 102 right carry out the sewage replenishment in the sedimentation tank 102, the fixed block 147 that is provided with on the upside terminal surface of sedimentation tank body 101, be provided with in the fixed block 147 can be to the process the subassembly that adds that carries out disinfectant precipitant addition is carried out to the intaking of inlet tube 108, wherein, it passes through to add the subassembly the intaking in the inlet tube 108 is controlled the drive.
Advantageously, the liquid level control assembly comprises a guide chute 114 arranged in the inner wall of the left side of the sedimentation tank 102, a first foam floating block 113 capable of floating on sewage is slidably arranged in the guide chute 114, a first traction rope 112 is fixedly arranged on the upper side end surface of the first foam floating block 113, a partition chute 111 communicated with the water inlet pipe 108 and having a downward opening is arranged on the upper side of the first foam floating block 113, a partition sliding block 109 is slidably arranged in the partition chute 111, wherein the upper end of the first traction rope 112 is fixedly connected to the lower side end surface of the partition sliding block 109, the partition sliding block 109 can partition the water inlet pipe 108, so that the water inlet of the water inlet pipe 108 is interrupted, a water pipe 107 capable of being communicated with the water inlet pipe 108 is arranged in the partition sliding block 109 in a left-right penetrating manner, and a left-right penetrating limiting groove 138 is arranged in the inner wall of the right side of the partition chute 111 in a communicating manner, a limiting block 135 capable of limiting the partition sliding block 109 is arranged in the limiting groove 138 in a left-right sliding manner, an elastic component is arranged between the limiting block 135 and the inner wall of the limiting groove 138, two fixing plates 143 which are vertically symmetrical are fixedly arranged on the left inner wall of the sedimentation tank 102 close to the upper end opening, a slide guiding column 144 is fixedly arranged between the fixing plates 143, a second foam plate 145 which is sleeved on the slide guiding column 144 and can float on sewage is arranged between the fixing plates 143, wherein a second traction rope 142 is connected between the second foam plate 145 and the right end face of the limiting block 135, when the liquid level in the sedimentation tank 102 descends and drives the first foam floating block 113 to descend, the descending first foam floating block 113 pulls the partition sliding block 109 to descend through the first traction rope 112, when the water inlet pipe 108 is communicated with the water pipe 107, the sewage enters the sedimentation tank 102 through the water inlet pipe 108 and the water pipe 107 for replenishment, when the partition sliding block 109 descends to the lower side of the limit block 135, the limit block 135 moves leftwards, further, the movement of the blocking slider 109 is restricted, and the state in which the water passage pipe 107 and the water inlet pipe 108 are communicated with each other can be maintained, and then water is continuously fed, and when the liquid level in the sedimentation tank 102 is higher than the second foam board 145 and drives the second foam board 145 to ascend, the second foam panel 145 pulls the stopper 135 to move to the right side by the second pulling string 142, and when the stopper 135 is completely retracted into the stopper groove 138, the blocking slider 109 is lifted, by this structure, the highest liquid level and the lowest liquid level in the sedimentation tank 102 can be controlled, so that the liquid level of the continuously purified water in the sedimentation tank 102 is maintained.
Advantageously, the elastic assembly includes an elastic sliding groove 136 disposed in the upper inner wall of the limiting groove 138 and communicated with each other, an elastic sliding block 137 capable of sliding left and right in the elastic sliding groove 136 is fixedly disposed on the upper end surface of the limiting block 135, a pushing spring 141 is fixedly disposed between the right end surface of the elastic sliding block 137 and the right inner wall of the elastic sliding groove 136, and the pushing spring 141 can always apply a leftward pushing force to the limiting block 135, so as to limit the position of the partition sliding block 109 after the partition sliding block 109 descends.
Advantageously, the adding assembly comprises an additive placing cavity 155 fixedly arranged in the fixing block 147 and having an upward opening, a conveying groove 156 is arranged in the inner wall of the lower side of the additive placing cavity 155, wherein a communicating groove 158 is arranged between the conveying groove 156 and the additive placing cavity 155, a feeding groove 133 is arranged between the conveying groove 156 and the water inlet pipe 108, the feeding groove 133 is positioned at the left side of the communicating groove 158, the conveying groove 156 is rotatably provided with a rotating shaft 157, a conveying blade 159 is fixedly arranged on the rotating shaft 157, a driving cavity 151 is arranged in the inner wall of the right side of the conveying groove 156, the right end of the rotating shaft 157 extends into the driving cavity 151 and is fixedly provided with a first gear 149 capable of rotating in the driving cavity 151, and a motor fixing block 152 is arranged in the driving cavity 151 in a vertically sliding manner, a driving motor 153 is fixedly arranged in the motor fixing block 152, the left end of the driving motor 153 is in power connection with a second gear 154 which can be engaged with the first gear 149, a return spring 148 is fixedly connected between the lower side end surface of the motor fixing block 152 and the lower side inner wall of the driving cavity 151, a second traction rope 146 is fixedly connected on the lower side end surface of the motor fixing block 152, wherein a water flow impact cavity 119 with a right opening is arranged at the right end opening of the water inlet pipe 108 in a communicating manner, a water flow impact plate 121 is arranged in the water flow impact cavity 119, the lower end of the second traction rope 146 extends into the water flow impact cavity 119 and is fixedly connected to the upper end of the water flow impact plate 121, and when sewage flows through and impacts the water flow impact plate 121 in the water inlet pipe 108, the water flow impact plate 121 moves to the right side in the water flow impact cavity 119, and further pulling the second pulling rope 146, and further pulling the motor fixing block 152 to move downwards so that the second gear 154 is engaged with the first gear 149, at this time, the driving motor 153 is started and drives the rotating shaft 157 to rotate through the second gear 154 and the first gear 149, so that the additive and the disinfectant falling into the conveying groove 156 through the communicating groove 158 in the additive containing cavity 155 are pushed to the left side, and fall into the water inlet pipe 108 through the feeding groove 133 to be mixed with water, and the additive and the sewage can be fully mixed in the process of flowing through the water inlet pipe 108.
Advantageously, a connecting plate 116 is fixedly disposed at an end of the fixing frame 118 away from the support block 123, the connecting plates 116 at the left and right sides are fixed to the inner wall of the sedimentation tank 102 through bolt fixing holes 115 disposed in the connecting plates 116 and the fixing bolts 117, and the support block 123 can be conveniently detached and replaced through the connection manner of the fixing bolts 117 and the bolt fixing holes 115.
Advantageously, a barrier column 104 is fixedly arranged between the inner walls of the front side and the rear side of the sedimentation tank 103, and the barrier column 104 can reduce the influence of the liquid flow in the sedimentation tank 102 on the sedimentation tank 103, so that the sludge in the sedimentation tank 103 can be better settled.
Advantageously, the valve 106 is opened at regular time, so as to clean the sediment and sludge in the sedimentation tank 103 at regular time, thereby preventing the sediment in the sedimentation tank 102 from being accumulated to reduce the water purification effect.
Advantageously, the membrane flap 125 has a membrane pore size of 0.1 to 0.4 μm, so that the precipitate in the sewage can be filtered when water molecules pass through the membrane flap 125.
Advantageously, the water pumping and dividing pipes 127 are arranged and distributed in 6 groups at the front and back of the upper end of the purified water cavity 126, so that the purified water in the purified water cavity 126 can be extracted quickly, and the water purifying efficiency is improved.
In the initial state, the liquid level in the sedimentation tank 102 is higher than the first foam floating block 113 and lower than the second foam plate 145, and at this time, the partition slider 109 is maximally lifted in the partition chute 111, the water pipe 107 and the water inlet pipe 108 are vertically displaced, and the motor fixing block 152 is maximally lifted in the driving chamber 151, and at this time, the first gear 149 and the second gear 154 are disengaged.
When the device is used for water purification, the user sends air into the air inlet 131 through the air feeding pipe 161, so as to boil the sewage in the reaction chamber 124, meanwhile, negative pressure is applied to the right end of the main water pumping pipe 128, so as to pump out the purified water in the purified water chamber 126 through the main water pumping pipe 128 and the water pumping and water dividing pipe 127, at this time, water molecules in the reaction chamber 124 can continuously enter the purified water chamber 126 through the membrane flap 125, the sediment is flushed and deposited in the sedimentation tank 103 by the air wave sprayed out of the air outlet 132, and the valve 106 which is opened at regular time can regularly pump out the sediment in the sedimentation tank 103, so as to prevent the sediment in the sedimentation tank 102 from being accumulated;
when the liquid level in the sedimentation tank 102 is lower than the height of the first foam floating block 113 and drives the first foam floating block 113 to descend, the first foam floating block 113 pulls the partition sliding block 109 to descend in the partition sliding groove 111 through the first traction rope 112, when the water pipe 107 is communicated with the water inlet pipe 108, sewage enters the sedimentation tank 102 through the water inlet pipe 108 and the water pipe 107 to be supplemented, meanwhile, when the partition sliding block 109 descends to the lower side of the limit block 135, the limit block 135 slides to the upper side of the partition sliding block 109 to limit the upward movement of the partition sliding block 109, so as to play a role of continuously feeding water, when the liquid level in the sedimentation tank 102 is higher than the second foam plate 145 and drives the second foam plate 145 to move upward, the second foam plate 145 pulls the limit block 135 to move rightward through the second traction rope 142, then retracting into the limit groove 138, at this time, the partition sliding block 109 can be restored to the initial state under the elastic force of the 134, and water inflow is stopped;
and in the process of water inlet of the water inlet pipe 108, water flow impacts the water flow impact plate 121 and drives the water flow impact plate 121 to move to the right, at this time, the water flow impact plate 121 pulls the motor fixing block 152 to move downwards through the second traction rope 146, so that the second gear 154 is meshed with the first gear 149, at this time, the driving motor 153 is started, so that the second gear 154 and the first gear 149 drive the rotating shaft 157 to rotate, so that the additive or disinfectant falling into the conveying groove 156 in the additive containing cavity 155 through the communication groove 158 is pushed to the position of the feeding groove 133, and is mixed into the sewage flowing through the water inlet pipe 108 through the feeding groove 133.
The device has the advantages that the device discharges water by suction, and the energy consumption is relatively low; take up an area of and put formula more compacter than the branch to when using, the height of accessible mechanical structure detection pond liquid level, and then accomplish the work of ration intaking automatically, need not staff manual operation, simultaneously, at the in-process of intaking, can be automatic add appropriate amount of additive in to sewage, and then disinfect to sewage, this device simple structure, convenient to use is worth recommending the purification process who uses in life, production and medical sewage.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (9)
1. A turbid liquid sewage treatment device based on MBR membrane biological reaction process is characterized in that: comprises a sedimentation tank body (101), a sedimentation tank (102) with an upward opening is arranged in the sedimentation tank body (101), a sedimentation tank (103) is arranged in the lower inner wall of the sedimentation tank (102) in a communicated manner, a sludge pumping pipe (105) communicated with the outside is arranged in the right inner wall of the sedimentation tank (103), a valve (106) is fixedly arranged in the sludge pumping pipe (105), a supporting block body (123) is fixedly arranged in the sedimentation tank (102) through a fixing frame (118) at the upper side of the sedimentation tank (103), a reaction cavity (124) with a downward opening is arranged in the supporting block body (123), two groups of membrane bodies (122) which are bilaterally symmetrical are fixedly arranged on the upper inner wall of the reaction cavity (124), a water purifying cavity (126) is arranged in the membrane body (122), and a membrane flap (125) for filtering is arranged on the inner wall of the water purifying cavity (126), wherein, the upper end of the water purification cavity (126) is communicated with a water pumping and dividing pipe (127), the water pumping and dividing pipes (127) at two sides are connected with an external negative pressure water pump through a total water pumping pipe (128), so that purified water in the water purification cavity (126) can be pumped out, an air inlet pipe (129) is arranged at the lower side of the membrane body (122) and positioned in the inner disc of the reaction cavity (124), an air inlet hole (131) is arranged in the air inlet pipe (129), wherein the air inlet hole (131) is connected with the external air pump through an air feeding pipe (161), an air outlet hole (132) is arranged on the inner wall of the upper side of the air inlet hole (131) in a penetrating way, gas in the air inlet hole (131) can be discharged through the air outlet hole (132) and enters the reaction cavity (124), and then the MBR water purification effect is achieved in the reaction cavity (124), be provided with in sedimentation tank (102) being close to upper end open-ended left side inner wall and communicate in external inlet tube (108), external sewage accessible inlet tube (108) enter into in sedimentation tank (102), be provided with liquid level control assembly in the week side inner wall of inlet tube (108), liquid level control assembly can the liquid level is low when low in sedimentation tank (102) is right carry out the sewage replenishment in sedimentation tank (102), fixed block (147) that is provided with on the side of going up terminal surface of sedimentation tank body (101), be provided with in fixed block (147) and to the process the income of inlet tube (108) carries out the interpolation subassembly that the disinfectant precipitant adds, wherein, add the subassembly and pass through the intaking in inlet tube (108) is controlled and is driven.
2. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 1, wherein: the liquid level control assembly comprises a guide chute (114) arranged in the inner wall of the left side of the sedimentation tank (102), a first foam floating block (113) capable of floating on sewage is slidably arranged in the guide chute (114), a first traction rope (112) is fixedly arranged on the upper side end face of the first foam floating block (113), a partition chute (111) communicated with the water inlet pipe (108) and with a downward opening is arranged on the upper side of the first foam floating block (113), a partition sliding block (109) is slidably arranged in the partition chute (111), wherein the upper end of the first traction rope (112) is fixedly connected to the lower side end face of the partition sliding block (109), the partition sliding block (109) can partition the water inlet pipe (108) so as to interrupt the water inlet of the water inlet pipe (108), and a water pipe (107) capable of being communicated with the water inlet pipe (108) is arranged in the partition sliding block (109) in a left-right penetrating manner, the utility model discloses a wall, including wall spout (111), limit groove (138) that the right side inner wall is provided with that communicates in the wall, can be provided with of horizontal slip in limit groove (138) can be right it carries out spacing stopper (135) to cut off slider (109), stopper (135) with be provided with elastic component between limit groove (138) inner wall, sedimentation tank (102) are close to two fixed plates (143) of longitudinal symmetry on the open-ended left side inner wall of upper end, fixed being provided with between fixed plate (143) leads traveller (144), be provided with the cover between fixed plate (143) locate lead on traveller (144) and can float second cystosepiment (145) on sewage, wherein, second cystosepiment (145) with it is provided with second haulage rope (142) to connect between the right side terminal surface of stopper (135).
3. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 2, wherein: the elastic assembly comprises an elastic sliding groove (136) communicated with and arranged in the inner wall of the upper side of the limiting groove (138), an elastic sliding block (137) capable of sliding left and right in the elastic sliding groove (136) is fixedly arranged on the end face of the upper side of the limiting block (135), and a pushing spring (141) is fixedly arranged between the end face of the right side of the elastic sliding block (137) and the inner wall of the right side of the elastic sliding groove (136).
4. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 3, wherein: the adding assembly comprises an additive placing cavity (155) which is fixedly arranged in the fixing block (147) and has an upward opening, a conveying groove (156) is arranged in the inner wall of the lower side of the additive placing cavity (155), a communicating groove (158) is arranged between the conveying groove (156) and the additive placing cavity (155) in a communicating manner, a feeding groove (133) is arranged between the conveying groove (156) and the water inlet pipe (108) in a communicating manner, the feeding groove (133) is positioned on the left side of the communicating groove (158), a rotating shaft (157) is rotatably arranged in the conveying groove (156), conveying blades (159) are fixedly arranged on the rotating shaft (157), a driving cavity (151) is arranged in the inner wall of the right side of the conveying groove (156), the right end of the rotating shaft (157) extends into the driving cavity (151) and is fixedly provided with a first gear (149) which can rotate in the driving cavity (151), a motor fixing block (152) is arranged in the driving cavity (151) in a vertically sliding manner, a driving motor (153) is fixedly arranged in the motor fixing block (152), a second gear (154) which can be meshed with the first gear (149) is dynamically connected to the left end of the driving motor (153), a return spring (148) is fixedly connected between the lower end surface of the motor fixing block (152) and the lower inner wall of the driving cavity (151), a second traction rope (146) is fixedly connected on the lower side end surface of the motor fixing block (152), wherein a water flow impact cavity (119) with a right opening is communicated with the right opening of the water inlet pipe (108), a water flow impact plate (121) is arranged in the water flow impact cavity (119), and the lower end of the second traction rope (146) extends into the water flow impact cavity (119) and is fixedly connected to the upper end of the water flow impact plate (121).
5. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 4, wherein: one end, far away from the support block body (123), of the fixing frame (118) is fixedly provided with a connecting plate (116), and the connecting plates (116) on the left side and the right side are fixed on the inner wall of the sedimentation tank (102) through bolt fixing holes (115) formed in the connecting plates (116) and fixing bolts (117).
6. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 5, wherein: lattice columns (104) are fixedly arranged between the inner walls of the front side and the rear side of the sedimentation tank (103).
7. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 6, wherein: the valve (106) is opened at regular time, so that sediments and sludge in the sedimentation tank (103) are removed at regular time.
8. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 7, wherein: the membrane valve (125) adopts a membrane pore size of 0.1-0.4 μm, so that the sediment in the sewage can be filtered when water molecules pass through the membrane valve (125).
9. The device for treating turbid liquid sewage based on the MBR membrane biological reaction process, according to claim 8, wherein: the water pumping and dividing pipes (127) are arranged and distributed in 6 groups at the front and back of the upper end of the water purifying cavity (126).
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