CN208843799U - A kind of processing unit in submergence lifting circulating biological membrane filtration pond - Google Patents

Abstract

A kind of processing unit in submergence lifting circulating biological membrane filtration pond, including biofilter, bearing frame, the weights such as two groups filter curtain, hoisting mechanism, pulley blocks and two groups of anti-sway guide rails；The hoisting mechanism is mounted on middle position above the crossbeam of bearing frame, and bearing frame is above biofilter and is fixed in ground or biological filter pond body；The pulley blocks are suspended on the crossbeam of bearing frame；The hoisting mechanism passes through pulley blocks connection two groups of filter curtains of transmission by lanyard assembly by driving mechanism；Two groups of anti-sway guide rails are separately positioned on position corresponding with the hanging beam both ends of two groups of filter curtains.The utility model structure is simple, and manufacture is easy, and cost is low, and sewage treating efficiency is high.

Description

A kind of processing unit in submergence lifting circulating biological membrane filtration pond

Technical field

The utility model belongs to environmental protection technical field of sewage, and in particular to a kind of submergence lifting circulating biological The processing unit in membrane filtration pond.

Background technique

Existing biological rotating disk is haveed the shortcomings that following obvious as sessile form biomembrane processing equipment:

One, axial length is limited, long axis it is with high costs:

The with high costs of long axis is processed, the intensity of long axis is also limited, therefore the axial length of most biological rotating disks is less than 8 Rice, the number of blade that the length limitation of axis biological rotating disk can be installed, thus while limiting biological rotating disk processing capacity, The serious cost for affecting biological rotating disk；

Two, disc diameter is limited:

Theoretically wish that the specific surface area of disc is the bigger the better, therefore the diameter of disc is the bigger the better, but is limited to disc Intensity, the intensity of disc is not enough easy deflection deformation and fails, therefore the diameter of disc is usually less than 6 meters, the diameter of disc The processing capacity of biological rotating disk is limited, also the serious cost for affecting biological rotating disk；

Three, semicircular haptoreaction slot cost is high:

Shape Ying Chengyu disc shape to avoid contact in reactive tank there are dead angle, inside haptoreaction slot is coincide substantially It is semicircle or trapezoidal, but the cost of semicircle or trapezoidal bottom is relatively high, also leads to holding at high price for biological rotating disk, influences It is promoted；

The disengaging of haptoreaction slot, water mode keep the with high costs of biological rotating disk, treatment effeciency low: the side of water-in and water-out To the steering for being limited to turntable, water outlets at different levels change into the conduction pipe of next stage water inlet, and structure is complicated, the influence basin of disc by Grade decline, therefore the processing capacity of biological rotating disk is caused to decline step by step.

Summary of the invention

The purpose of the utility model is to provide a kind of processing units in submergence lifting circulating biological membrane filtration pond, solve biology The problems such as turntable structure is complicated, and manufacture difficulty is big, and cost is high, structure critical constraints.

The technical scheme adopted by the utility model is

The processing unit in a kind of submergence lifting circulating biological membrane filtration pond, including biofilter, bearing frame, the weight such as two groups Filter curtain, hoisting mechanism, pulley blocks and two groups of anti-sway guide rails；The hoisting mechanism is mounted on interposition above the crossbeam of bearing frame It sets, bearing frame is above biofilter and is fixed in ground or biological filter pond body；The pulley blocks are suspended on bearing frame On crossbeam；The hoisting mechanism passes through pulley blocks connection two groups of filter curtains of transmission by lanyard assembly by driving mechanism；Described two groups Anti-sway guide rail is separately positioned on position corresponding with the hanging beam both ends of two groups of filter curtains.

In above-mentioned technical proposal, the biofilter is rectangular configuration, is located at ground or below ground, filter tank is by several The partition parallel with bearing frame is divided into several haptoreaction slots, and the liquid level of each haptoreaction slot is successively decreased step by step, and each contact is anti- The intake chamber of slot, effluent trough is answered to be separately positioned on the both sides of biofilter and vertical with bearing frame, a upper haptoreaction slot The intake chamber of effluent trough and next haptoreaction slot is located at ipsilateral and connection and so on；Haptoreaction slot and water-in and water-out Partition between slot is zigzag, is provided with sewage pipe in the bottom extreme lower position of each intake chamber and effluent trough.

In above-mentioned technical proposal, the bearing frame is for installing hoisting mechanism and pulley blocks, and bearing frame is across biofilter Top is overlapped with the gravity plane of filter curtain group, and bearing frame is fixedly connected in ground or pond body；The hoisting mechanism is filter curtain group The power device moved back and forth is gone up and down, is made of driving mechanism and lanyard assembly two parts, hoisting mechanism is mounted on bearing frame cross Middle position above beam, two pulleys that the both ends of lanyard assembly are each passed through on bearing frame are not hung with two groups of filter curtains again after being divided to Lifting lug on beam at position of centre of gravity is connected, and driving mechanism drives lanyard assembly back and forth movement, and drawstring is made to pull two groups of filter curtain groups Back and forth movement one on the other is carried out, two groups of filter curtain synchronous backwards is driven to move up and down at the same speed.

In above-mentioned technical proposal, the filter curtain includes hanging beam, multiple link blocks and muti-piece filter plate, and hanging beam is entire filter curtain Load-carrying members generally use profile and are made, and the position of centre of gravity that curtain is filtered on hanging beam is provided with lifting lug, are used for and hoisting mechanism Drawstring be connected；The upper and lower end of each link block is fixedly connected with hanging beam and a filter plate respectively, and filter plate is hung one by one On hanging beam, different according to the liquid level of different haptoreaction slots, the length of link block also has several specifications, adjacent each The length difference of specification is the liquid level difference of two neighboring haptoreaction slot；Filter plate is located at bottom, and all filter plates are and hanging beam Vertically, the center of gravity line of every piece of filter plate is overlapped with the height center line of link block；The structure of two groups of filter curtains is consistent, and weight is identical, Drawstring both ends of the hanging beam respectively with hoisting mechanism and pulley blocks on two groups of filter curtains are connected and fixed, and by drawstring pull-up horizontal suspension The top of two sides, two groups of filter curtains are symmetrically and evenly interspersed inside biofilter.

In above-mentioned technical proposal, the filter plate is made of two panels diaphragm and a frame, and diaphragm is the load of microorganism growth Body, material include but is not limited to plastic plate, corrugated plating, the geotextiles of two cloth, one film etc., and two diaphragms are tightly attached to frame respectively The two sides of frame simultaneously keep being tensioned, and frame is C-shaped configuration, and making material includes but is not limited to profile, rigid plastics, in its C-shaped Up and down inside be respectively equipped with a slope, the stability and intensity of frame can not only be effectively ensured, also help two panels The discharge of diaphragm intermediate sludge, avoids sludgd deposition inside filter disc, and diaphragm forms the C-shaped square an of side opening together with frame Shape structure, the thickness of frame determine the spacing of two diaphragms, to avoid blocking, from haptoreaction slot near sewage water inlet The thicker diaphragm spacing that is allowed to of frame it is larger, be greater than or equal to 3 centimetres, it is relatively thin from the frame in sewage outlet haptoreaction slot The spacing for being allowed to diaphragm is smaller, is less than or equal to 2 centimetres.

In above-mentioned technical proposal, two groups of anti-sway guide rails are corresponding with two groups of filter curtains respectively, and every group of anti-sway guide rail is led by two Rail composition, is separately positioned on the both ends of biofilter, and two guide rails are parallel to each other, line and the filter curtain hanging beam of two guide rails Upper and lower motion profile is located in approximately the same plane, and the both ends of hanging beam are equipped with guide roller, matches respectively with guide rail, to filter The effect that curtain group is oriented to and is limited guarantees that filter curtain group remains vertical up-or-down movement in entire motion process.

In above-mentioned technical proposal, the driving mechanism includes motor and speed reducer, and the rotating forward of motor and speed reducer stops, instead Turn, stop ... in cycles, connection transmission lanyard assembly back and forth movement, the back and forth movement of lanyard assembly connects two groups of transmission in turn Filter curtain pumps respectively.

The treatment process in above-mentioned submergence lifting circulating biological membrane filtration pond, using etc. weights two groups of symmetrical interlaced arrangements filter Curtain, under the action of hoisting mechanism, two groups of filter curtains carry out period round-trip lifting in biofilter, make the life on two groups of filter curtains Object film contacts by turns with atmosphere and sewage, decline submergence when absorption effluent in organic matter, rise it is open into atmosphere when absorb Oxygen, then decline and bring oxygen into when immersing for sewage, and cause sewage turbulent fluctuation in sink, it is uniformly distributed dissolved oxygen, to make It purifies the sewage.

In above-mentioned technical proposal, the filter curtain when filter curtain is raised to extreme higher position, filters the lower frame of curtain in lifting process Upper surface should filter the framework upper lower end of curtain when filter curtain is preferably minimized position lower than the liquid level in biofilter haptoreaction slot Face should be higher than that the liquid level of biofilter haptoreaction slot, and filter curtain is caused excessive shock and disturbed to avoid liquid level.

In above-mentioned technical proposal, roof insulating is set outside biomembrane filter tank, forms enclosure space in roof insulating, will entirely give birth to Object membrane filtration pond is separated with the external world, air-introduced machine is arranged outside roof insulating, the intake stack of air-introduced machine is connected to the inside of roof insulating, air inducing The exhaust duct of machine connects deodorizing device, and roof insulating completely cuts off odor pollution while realizing heat preservation, and passes through control air-introduced machine Air quantity control to oxygen amount.

It further, is the rush of current for reducing motor repeatedly starting and stopping, driving mechanism is defeated by motor reducer, driving mechanism The part such as shaft, driving gear, driven gear, drive sprocket, driven sprocket, forward and backward electromagnetic clutch forms, decelerating through motor Machine is power source, and the output shaft of motor reducer is fixedly connected with driving gear and drive sprocket, driving gear and driven gear Engagement, drive sprocket connect transmission with driven sprocket by chain；One end of driven gear and reversion electromagnetic clutch is fixed to be connected It connects, the other end for inverting electromagnetic clutch is fixedly connected with driving mechanism output shaft；Driven sprocket and rotating forward electromagnetic clutch One end is fixedly connected, and the other end for rotating forward electromagnetic clutch is also fixedly connected with driving mechanism output shaft；Driving mechanism output shaft Two groups of filter curtains back and forth movement one on the other is pulled by lanyard assembly.It is defeated when rotating forward electromagnetic clutch is engaged with driven sprocket Shaft rotates together under the drive of driven sprocket, to realize the rotating forward output of output shaft；When stroke is reached home, on filter curtain Hanging beam touch the sensor of limit, cause to rotate forward electromagnetic clutch and driven sprocket being detached from, due to there is no power input, export Axis will also stop operating；After delay T seconds, reversion electromagnetic clutch is engaged with driven gear, drive of the output shaft in driven gear Under rotate together, to realize the reversion output of output shaft, when stroke is reached home, filter the sensing that the hanging beam on curtain touches limit Device, when inverting electromagnetic clutch and driven gear is detached from, power input also stops, and output shaft will also stop operating, and is delayed T seconds Afterwards, new circulation is restarted, in cycles with this, by periodically controlling the switching of forward and backward electromagnetic clutch, makes to drive Dynamic component in the case where not changing motor reducer operating, output realize rotate forward, stop, inverting, stopping ... in cycles Free switching.

Further, for the sewage disposal system of some large sizes, the quantity of required biological filter curtain is relatively more, and weight compares Greatly, the length of hanging beam is long, need multiple bearing frames and pulley blocks to pass through drawstring lift filter curtain group, increased bearing frame and The weight that pulley blocks avoid driving mechanism receiving is larger, realizes load-bearing with driving and separates, after increasing bearing frame and pulley blocks newly, Driving mechanism in hoisting mechanism is mounted on intermediate bearing frame, and the weight that pulley blocks share filter curtain is installed on other bearing frames Amount, two groups of filter curtains keep horizontal lifting operation under the lifting of pulley blocks lanyard assembly under the action of the driving mechanism.

In above-mentioned technical proposal, the bearing frame and pulley blocks are newly-increased multiple, newly-increased multiple bearing frames and pulley blocks Filter curtain group is lifted by drawstring, the driving mechanism in hoisting mechanism is still mounted on intermediate bearing frame, newly-increased multiple to hold Weight frame then divides column across the top on biomembrane filter tank both sides and is fixed on ground or biomembrane filter tank body, newly-increased pulley blocks It is suspended on newly-increased bearing frame, and newly-increased pulley blocks connect two groups of filter curtains of lifting by lanyard assembly, make two groups of filter curtains By the top of drawstring pull-up horizontal suspension two sides inside biofilter, two groups of filter curtains are realized same under the drive of driving mechanism The reversed synchronized movement up and down of step.

The remarkable result of the utility model:

One, the utility model passes through microorganism to the aerobic decomposition of dirty Organic substance in water, therefore reactive tank is not necessarily to be aerated, It does not need to carry out sludge reflux, so operation energy consumption is low.

Two, the utility model adjusts the concentration and aeration quantity of mixed liquor suspended solid, MLSS due to being not required to, and activated sludge is not present The problem of middle sludge expands, complicated mechanical device, is not necessarily to highly difficult running technology, convenient for management.

Three, microorganism anchors on filter curtain, adaptable to BOD concentration and change of water quality.

Four, due to the food chain length of microorganism on biomembrane, so the sludge quantity generated is few, only activated sludge process is dirty The half or so of mud amount.

Five, it due to being not required to returned sludge, is not required to set secondary settling tank.

Six, the long axis for not needing turnery processing with high costs, the length and series of biofilter is not also by the limit of axial length System.

Seven, the semi-enclosed rectangular configuration for the side opening that filter plate is made of together with frame filter disc, filter curtain is not It is circle, the blanking of material obtains material rate much higher than circle, therefore cost is less expensive.

Eight, filter curtain can be completely immersed in sewage, and the immersion rate of filter disc is high, and it is bigger that area is effectively treated.

Nine, the identical balance constituted in weight of two groups of filter curtain weight, therefore the load pole of two groups of filter curtain lifting drivings It is low.Operating power consumption is suitable with biological rotating disk.

Ten, the bottom of haptoreaction slot is without being made semicircle or polygon, and structure is simpler, cost is less expensive.

11, the Inlet and outlet water direction of haptoreaction slot is directly the water inlet of next stage without limitation, water outlet at different levels, is not necessarily to The diversion pipe of biological rotating disk, water-head at different levels is smaller, and the groove depth utilization rate of haptoreaction slot is higher.

12, the immersion rate of filter discs at different levels is all 100%, and the processing entire ability of filter discs at different levels is identical, is turned without biology The problem of disk processing area declines step by step.

Detailed description of the invention:

Fig. 1 is submergence lifting circulating biological membrane filtration pool structure stereoscopic schematic diagram；

Fig. 2 is submergence lifting circulating biological membrane filtration pool structure schematic top plan view；

Fig. 3 is the A-A view of Fig. 2；

Fig. 4 is the B-B view of Fig. 2；

Fig. 5 is biological membrane filtration pool structure schematic top plan view；

Fig. 6 is the C-C view of Fig. 5；

Fig. 7 is the D-D view of Fig. 5；

Fig. 8 is filter curtain structure schematic diagram；

Fig. 9 is the side view of Fig. 8；

Figure 10 is the G-G view of Fig. 9；

Figure 11 is the H-H view of Figure 10；

Figure 12 is the I partial enlarged view of Figure 11；

Figure 13 is the relative position schematic diagram for filtering filter plate and liquid level when curtain is in extreme position；

Figure 14 is bearing frame and hoisting mechanism structural schematic diagram；

Figure 15 is the E-E view of Figure 14；

Figure 16 is driving assembly structural schematic diagram；

Figure 17 is more bearing frame biomembrane filter tank structure stereoscopic schematic diagrams.

In figure:

1- biomembrane filter tank, 2A- filter curtain A, 2B- filter curtain B, 3- bearing frame, 4- hoisting mechanism, the anti-sway guide rail of 5-, 6- heat preservation Canopy, 7- air-introduced machine, 8- liquid level line, 9- pulley blocks；101- haptoreaction slot；101a- haptoreaction slot a, 101b- haptoreaction Slot b, 101c- haptoreaction slot c, 101s- haptoreaction slot s, 102- intake chamber, 103- effluent trough, 104- sewage pipe, 105- every Plate；

202- link block, 203- filter plate；201- hanging beam, 202a- link block a, 202b- link block b, 202c- link block c, 202m- link block m, 203a- filter plate a, 203b- filter plate b, 203c- filter plate c, 203n- filter plate n, 204- guide roller； 2031- Diaphragm, 2032- frame；The left diaphragm of 2031a-, the right diaphragm of 2031b-；301- door frame, 9a- pulley a, 9b- pulley b；401- driving Mechanism；402 lanyard assemblies；401a- motor reducer, the output shaft of 401b- motor reducer, 401c1- driving gear, 401c2- driven gear, 401d1- drive sprocket, 401d2- driven sprocket, 401e- chain, 401f1- rotate forward electromagnetic clutch, 401f2- inverts electromagnetic clutch, 401g- driving mechanism output shaft；3A- bearing frame A, 3B- bearing frame B, 3X- bearing frame X.

Specific embodiment:

The case where embodiment 1(mono- bearing frame):

A kind of lifting circulating biological biomembrane filter tank structure of submergence involved in the utility model is main as shown in Fig. 1 ~ 4 It will be by filter the curtain 2A and 2B of the weights such as 1, two group of biofilter, bearing frame 3, hoisting mechanism 4, anti-sway guide rail group 5 and pulley blocks 9 etc. Composition.Biofilter 1 is the container of multiple groups rectangle, is located at ground or below ground；Bearing frame 3 above biofilter 1, with The gravity plane for filtering curtain 2A, 2B is overlapped, and bearing frame 3 is fixedly connected in the pond body of ground or biofilter 1；Pulley blocks 9 are hung In the lower section of the crossbeam of bearing frame, it is respectively at two sides；Hoisting mechanism 4 is mounted on the middle position above bearing frame crossbeam, The pulley blocks that drawstring both ends are each passed through two sides are connected with two groups of filter curtains 2A, 2B；The structure of two groups of filter curtains 2A, 2B are consistent, weight Identical, hanging beam is connected and fixed with the drawstring both ends of hoisting mechanism 4 respectively, and is pulled up horizontal suspension two inside biofilter The top of side, two groups of filter curtains 2A, 2B are symmetrically and evenly interspersed；Two groups of filter curtain 2A, 2B are real in the case where the drawstring of hoisting mechanism 4 drives Now cyclical upturn and downturn one on the other contacts biomembrane and atmosphere thereon by turns with sewage, absorption effluent when decline submerges In organic matter, rise it is open into atmosphere when absorb oxygen, then decline and bring oxygen into when immersing for sewage, and cause in sink Sewage turbulent fluctuation, is uniformly distributed dissolved oxygen；Anti-sway guide rail 5 is vertically installed at biofilter both ends, respectively and in filter curtain 2A, 2B The guide roller at hanging beam both ends match, play the role of guiding and limit to filter curtain group, guarantee that filter curtain is entirely being moved through Vertical up-or-down movement is remained in journey.

Roof insulating 6 can also be set outside biomembrane filter tank according to actual needs, it is internal to form enclosure space, it will be entire Biomembrane filter tank is separated with the external world, and air-introduced machine 7 is arranged outside roof insulating 6, and the intake stack of air-introduced machine 7 and the inside of roof insulating 6 join Logical, the exhaust duct of air-introduced machine 7 is coupled deodorizing device, and roof insulating completely cuts off odor pollution, can also lead to while realizing heat preservation The air quantity of control air-introduced machine is crossed to control to oxygen amount.

1 structure of biomembrane filter tank involved in the utility model is rectangular configuration as shown in Fig. 5 ~ 7, usually its production Material includes but is not limited to concrete, steel and rigid plastics etc., several partitions 105 are provided in biomembrane filter tank, Entire biofilter is divided into several haptoreactions slot 101a, 101b, 101c ... 101s along its length, each contact is anti- The liquid level in slot 101a, 101b, 101c ... 101s is answered successively to successively decrease, haptoreaction slot 101a, 101b, 101c ... 101s intake chamber 102 and effluent trough 103 are separately positioned on 1 both sides of biofilter, the effluent trough of upper haptoreaction slot 101a It is located at ipsilateral and connection, intake chamber of the water from first haptoreaction slot 101a with the intake chamber of next haptoreaction slot 101b Into the supernatant of intake chamber 102 enters haptoreaction slot 101a, 101b, 101c ... 101s, haptoreaction slot by overflow The supernatant of 101a, 101b, 101c ... 101s pass through overflow again and enter effluent trough, finally from one haptoreaction slot of least significant end The effluent trough of 101s is discharged；Between haptoreaction slot 101a, 101b, 101c ... 101s and intake chamber 102 and effluent trough 103 Partition is zigzag, then can preferably guarantee water flow stationary, avoids impacting；At the bottom of each intake chamber 102 and effluent trough 103 Portion's extreme lower position is provided with sewage pipe 104, the sludge discharge for that will deposit.

Curtain 2A, 2B structure are filtered involved in the utility model as shown in figure 8, it is mainly by hanging beam 201, multiple link blocks 202a, 202b, 202c ... 202m and muti-piece filter plate 203a, 203b, 203c ... 203n and guide roller 204 form, and It is identical as filter plate quantity to connect number of blocks.Hanging beam 201 is the load-carrying members of entire filter curtain, generallys use profile and is made, It is provided with lifting lug on hanging beam 201, for being connected with the drawstring of hoisting mechanism 4；Each link block 202a, 202b, The upper and lower end of 202c ... 202m is fixedly connected with hanging beam 201 and filter plate 203a, 203b, 203c ... 203n respectively, with Filter plate 203a, 203b, 203c ... 203n are hung in one by one on hanging beam 201, according to different haptoreaction slot 101a, The liquid level of 101b, 101c ... 101s are different, and the length of link block 203a, 203b, 203c ... 203n also have several rule Lattice, the length difference of adjacent each specification are equal to the liquid level difference of two neighboring haptoreaction slot 101a, 101b, 101c ... 101s； Filter plate 203a, 203b, 203c ... 203n are located at the bottom of filter curtain 2A, 2B, all filter plate 203a, 203b, 203c ... 203n is vertical with hanging beam 201, and the center of gravity line of every piece of filter plate 203a, 203b, 203c ... 203n is with connection connected to it The height center line of block 202a, 202b, 202c ... 202m are overlapped；Guide roller is fixed on the both ends of hanging beam, difference It is matched with anti-sway guide rail 5, plays 2A, 2B to guiding and limit to filter curtain.

Its structure of filter plate 203a, 203b, 203c ... 203n involved in the utility model is as shown in Fig. 9 ~ 12, by two Piece diaphragm 2031a, 2031b and a frame 2032 form.Diaphragm 2031a, 2031b are the working position of entire biofilter, It is the carrier of microorganism growth, and material includes but is not limited to plastics, film and geotextiles etc..Two diaphragm 2031a, 2031b is tightly attached to the two sides of frame 2032 respectively and keeps being tensioned；Frame 2032 is C-shaped configuration, and making material includes but not Be limited to profile, hard is expected, its C-shaped up and down inside be respectively equipped with a slope, its structure can not only be effectively ensured Stability and intensity, also help the discharge of sludge, it is heavy to avoid sludge inside filter plate 203a, 203b, 203c ... 203n Product.Two panels diaphragm 2031a, 2031b forms the C-shaped rectangular configuration an of side opening with frame 2032 together, frame 2032 Thickness determines the spacing of two diaphragms 2031a, 2031b, and to avoid blocking, the frame in sewage water inlet biofilter is thicker It is allowed to that diaphragm spacing is larger (be greater than or equal to 3 centimetres), the frame in sewage outlet biofilter is relatively thin to be allowed between diaphragm Away from smaller (being less than or equal to 2 centimetres).

As shown in figure 13, filter curtain 2A, 2B is in lifting process, when filter curtain 2A is raised to extreme higher position, under frame 2032 The upper surface in portion should be preferably minimized position, the lower end surface on 2032 top of frame lower than the liquid level in haptoreaction slot, filter curtain 2B Position should be lower than haptoreaction slot liquid level, to avoid liquid level to filter curtain cause excessive shock and disturb；Vice versa, when When filter curtain 2A is preferably minimized position, the position of the lower end surface on 2032 top of frame should be higher than that the liquid level of haptoreaction slot, filter curtain 2B is raised to extreme higher position, and the upper surface of 2032 lower part of frame should be lower than the liquid level in haptoreaction slot.

Bearing frame 3, hoisting mechanism 4 involved in the utility model and 9 structure of pulley blocks are as shown in Figure 14,15.Pulley Two pulleys 9a, 9b of group 9 are attached separately to the both sides of the below the crossbeam of door frame 301；Hoisting mechanism 4 be filter curtain 2A, 2B go up and down it is past The power device moved again comprising 402 two parts of driving assembly 401 and lanyard assembly.Driving assembly 401 and lanyard assembly 402 link together be each attached to bearing frame 3 crossbeam centre, the both ends of lanyard assembly 402 be each passed through two pulley 9a, 9b is connected with the lifting lug at position of centre of gravity on two groups of filter curtain 2A, 2B hanging beams 201 respectively；Driving assembly 401 includes driving motor With speed reducer two parts, by controlling the rotating forward of motor, stopping, invert, stop ... the round-trip drive for realizing lanyard assembly in cycles It is dynamic, and two groups of filter curtain 2A, 2B synchronous backward under the drive of driving assembly 401 is driven to pump at the same speed.

The structure of driving assembly 401 is as shown in figure 16, by motor reducer 401a, output shaft 401b, driving gear 401c1, driven gear 401c2, drive sprocket 401d1, driven sprocket 401d2, chain 401e, rotate forward electromagnetic clutch 401f1, Invert a few part compositions of electromagnetic clutch 401f2 and output shaft 401g.Motor reducer 401a is power source, passes through output shaft Driving gear 401c1 and drive sprocket 401d1 rotation is driven, driving gear 401c1 and drive sprocket 401d1 rotation drive respectively Driven gear 401c2 and driven sprocket 401d2 rotation；Rotate forward electromagnetic clutch 401f1 and reversion electromagnetic clutch 401f2 difference It is fixedly connected on output shaft 401g, when rotating forward electromagnetic clutch 401f1 is engaged with driven sprocket 401d2 to the right, output shaft 401g is rotated together under the drive of driven sprocket 401d2, to realize the rotating forward output of output shaft 401g；When rotate forward electromagnetism from When clutch 401f1 returns to middle position with driven sprocket 401d2 disengaging to the left, power input stops, and output shaft 401g will also stop turning It is dynamic；When reversion electromagnetic clutch 401f2 is engaged with driven gear 401c2 to the left, output shaft 401g is driven gear 401c2's It is rotated together under drive, to realize the reversion output of output shaft 401g；When reversion electromagnetic clutch 401f2 to the right with driven tooth When wheel 401c2 disengaging returns to middle position, power input also stops, and output shaft 401g will also stop operating；In cycles with this, pass through Periodically control rotates forward electromagnetic clutch 401f1 and inverts the switching of electromagnetic clutch 401f2, is changing driving assembly not In the case that motor reducer operates, the free switching in cycles rotate forward, stop, inverting, stopping ... is realized in output.

The case where embodiment 2(more bearing frames):

The macro-organism filter tank using more bearing frames is needed involved by the utility model, structure is as shown in figure 17, master Body structure is consistent with single bearing frame biofilter, is only additionally arranged multiple bearing frame 3B ... 3X on 1 length direction of biofilter, And increased bearing frame 3B ... 3X is distributed with intermediate bearing frame 3A central symmetry, each bearing frame 3A, 3B ... 3X has drawing It restricts and is connected with the lifting lug on the hanging beam 201 of filter curtain 2A, 2B, shared filters the weight of curtain 2A, 2B, makes two groups of filter curtains by drawstring The top of pull-up horizontal suspension two sides inside biofilter, two groups of filter curtains realize synchronous backward under the drive of driving mechanism Synchronized movement up and down.

Claims (9)

1. it is a kind of submergence lifting circulating biological membrane filtration pond processing unit, it is characterised in that: including biofilter, bearing frame, Filter curtain, hoisting mechanism, pulley blocks and the two groups of anti-sway guide rails of the weights such as two groups；The hoisting mechanism is mounted on the crossbeam of bearing frame Square middle position, bearing frame is above biofilter and is fixed in ground or biological filter pond body；The pulley blocks are suspended on On the crossbeam of bearing frame；The hoisting mechanism passes through pulley blocks connection two groups of filter curtains of transmission by lanyard assembly by driving mechanism； Two groups of anti-sway guide rails are separately positioned on position corresponding with the hanging beam both ends of two groups of filter curtains.

2. the processing unit in submergence lifting according to claim 1 circulating biological membrane filtration pond, it is characterised in that: its feature Be: the biofilter be rectangular configuration, be located at ground or below ground, filter tank by several it is parallel with bearing frame every Plate is divided into several haptoreaction slots, and the liquid level of each haptoreaction slot is successively decreased step by step, and the intake chamber of each haptoreaction slot goes out Sink is separately positioned on both sides of biofilter and vertical with bearing frame, and the effluent trough of a upper haptoreaction slot connects with next The intake chamber of touching reactive tank is located at ipsilateral and connection and so on；Haptoreaction slot and into and out of the partition between sink be sawtooth Shape is provided with sewage pipe in the bottom extreme lower position of each intake chamber and effluent trough.

3. the processing unit in submergence lifting according to claim 1 circulating biological membrane filtration pond, it is characterised in that: described to hold Weight frame is overlapped with the gravity plane of filter curtain group above biofilter, holds for installing hoisting mechanism and pulley blocks, bearing frame Weight frame is fixedly connected in ground or pond body；The hoisting mechanism is the power device filtering the lifting of curtain group and moving back and forth, by driving Mechanism and lanyard assembly two parts composition, hoisting mechanism are mounted on the middle position above bearing frame crossbeam, and the two of lanyard assembly It is connected respectively with the lifting lug at position of centre of gravity on two groups of filter curtain hanging beams again after holding two pulleys being each passed through on bearing frame, drives Motivation structure drives lanyard assembly back and forth movement, makes drawstring that two groups of filter curtain groups be pulled to carry out back and forth movement one on the other, drives two groups Filter curtain synchronous backward moves up and down at the same speed.

4. the processing unit in submergence lifting according to claim 1 circulating biological membrane filtration pond, it is characterised in that: the filter Curtain includes hanging beam, multiple link blocks and muti-piece filter plate, and hanging beam is the load-carrying members of entire filter curtain, and the center of gravity position of curtain is filtered on hanging beam It installs and is equipped with lifting lug, be connected with the drawstring of hoisting mechanism；The upper and lower end of each link block is solid with hanging beam and a filter plate respectively Fixed connection, filter plate is hung on hanging beam one by one, the length of the link block of different haptoreaction slots is also different, adjacent each specification Length difference be two neighboring haptoreaction slot liquid level difference；Filter plate is located at bottom, and all filter plates are vertical with hanging beam, The center of gravity line of every piece of filter plate is overlapped with the height center line of link block；The structure of two groups of filter curtains is consistent, and weight is identical, two groups of filters Drawstring both ends of the hanging beam respectively with hoisting mechanism and pulley blocks on curtain are connected and fixed, and by drawstring pull-up horizontal suspension in biology The top of two sides, two groups of filter curtains are symmetrically and evenly interspersed inside filter tank.

5. the processing unit in submergence lifting according to claim 4 circulating biological membrane filtration pond, it is characterised in that: the filter Plate includes two panels diaphragm and a frame, and diaphragm is the carrier of microorganism growth, and two diaphragms are tightly attached to the two sides of frame respectively And keep being tensioned, frame is C-shaped configuration, and the inside up and down of C-shaped is respectively equipped with a slope, and diaphragm forms one together with frame The C-shaped rectangular configuration of an a side opening, the thickness of frame determine the spacing of two diaphragms, nearby contact from sewage water inlet anti- Answer the frame in slot is thicker be allowed to that diaphragm spacing is larger, the diaphragm that is allowed to relatively thin from the frame in sewage outlet haptoreaction slot Spacing is smaller.

6. the processing unit in submergence lifting according to claim 1 circulating biological membrane filtration pond, it is characterised in that: described two The anti-sway guide rail of group is corresponding with two groups of filter curtains respectively, and every group of anti-sway guide rail is made of two guide rails, is separately positioned on biofilter Both ends, and two guide rails are parallel to each other, the line of two guide rails and the upper and lower motion profile of filter curtain hanging beam are located at same put down On face, the both ends of hanging beam are equipped with guide roller, match respectively with guide rail, and filter curtain group is oriented to and is limited.

7. the processing unit in submergence lifting according to claim 3 circulating biological membrane filtration pond, it is characterised in that: driving machine Structure includes motor reducer, driving mechanism output shaft, driving gear, driven gear, drive sprocket, driven sprocket, forward and backward electricity The output shaft of magnet clutch, motor reducer is fixedly connected with driving gear and drive sprocket, and driving gear is nibbled with driven gear It closes, drive sprocket connect transmission with driven sprocket by chain；Driven gear is fixedly connected with one end of reversion electromagnetic clutch, The other end of reversion electromagnetic clutch is fixedly connected with driving mechanism output shaft；Driven sprocket and the one end for rotating forward electromagnetic clutch It is fixedly connected, the other end for rotating forward electromagnetic clutch is also fixedly connected with driving mechanism output shaft；Driving mechanism output shaft passes through Lanyard assembly pulls two groups of filter curtains back and forth movement one on the other.

8. the processing unit in submergence lifting according to claim 3 circulating biological membrane filtration pond, it is characterised in that: the drive Motivation structure includes motor and speed reducer, and the rotating forward of motor and speed reducer stops, inverts, stopping ... in cycles, connection transmission drawstring Component back and forth movement, the back and forth movement of lanyard assembly, and then connect two groups of filter curtains of transmission and pump respectively.

9. the processing unit in submergence lifting according to claim 1 circulating biological membrane filtration pond, it is characterised in that: described to hold Weight frame and pulley blocks are newly-increased has multiple, newly-increased multiple bearing frames and pulley blocks to filter curtain group by drawstring lifting, in hoisting mechanism Driving mechanism be still mounted on intermediate bearing frame, newly-increased multiple bearing frames then divide column across on biomembrane filter tank both sides Top is simultaneously fixed on ground or biomembrane filter tank body, and newly-increased pulley blocks are suspended on newly-increased bearing frame, and newly-increased Pulley blocks connect two groups of filter curtains of lifting by lanyard assembly, make two groups of filter curtains by drawstring pull-up horizontal suspension inside biofilter The top of two sides, two groups of filter curtains realize the synchronized movement up and down of synchronous backward under the drive of driving mechanism.