CN113101810B

CN113101810B - Integrated MBR sewage treatment equipment for rural town domestic wastewater

Info

Publication number: CN113101810B
Application number: CN202110359210.XA
Authority: CN
Inventors: 唐洁莹; 朱文杰; 阮元亨
Original assignee: Yunnan Bing Sen Environmental Engineering Co ltd
Current assignee: Yunnan Bing Sen Environmental Engineering Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2023-06-23
Anticipated expiration: 2041-04-02
Also published as: CN113101810A

Abstract

The invention discloses integrated MBR sewage treatment equipment for rural town domestic wastewater, which comprises a frame body, wherein a filter screen is fixedly arranged on one surface of the frame body, two sliding grooves are symmetrically and vertically formed in the left side surface and the right side surface of the frame body, which are far away from the filter screen, sliding blocks are respectively and slidably arranged in the two sliding grooves, sliding plates are fixedly arranged on the surfaces, which are far away from the frame body, of the two sliding blocks, a plurality of scraping blocks are fixedly arranged on the upper surfaces of the sliding plates, steel wire ropes are fixedly arranged on the upper surfaces of the two sliding blocks, supports are fixedly arranged on the top ends of the two sliding grooves, and one ends, which are far away from the sliding blocks, of the two steel wire ropes respectively penetrate through the two supports and are fixedly connected with a floating platform. According to the invention, the water flow action of the sewage is used as power, the floating platform is driven by the water flow, the steel wire rope is pulled by the floating platform, the sliding plate is driven by the steel wire rope, and the scraping block is driven by the sliding plate to move up and down to clean the filter screen, so that the manual cleaning of the filter screen is avoided, and the sewage purifying efficiency is improved.

Description

Integrated MBR sewage treatment equipment for rural town domestic wastewater

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an integrated MBR sewage treatment device for rural town domestic wastewater.

Background

In the field of sewage treatment and water resource recycling, MBR is also called a membrane bioreactor, and is a novel water treatment technology which combines a membrane separation unit and a biological treatment unit, and can filter sewage so as to achieve the aim of purifying the sewage.

The existing filter screen of the MBR is also called a membrane bioreactor, certain impurities and dirt can be accumulated on the surface of the filter screen when water flow is filtered and purified, and meanwhile, the filter efficiency is influenced by blockage because the aperture of the filter screen of the reactor is small, so that the filter screen is required to be cleaned manually frequently, the filter screen is troublesome, and after cleaning, if the cleaned impurities and dirt are not removed in time, secondary blockage is easy to be caused.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a filter screen of a membrane bioreactor can accumulate certain sundries and dirt on the surface of water flow when filtering and purifying the water flow, and meanwhile, the filter screen aperture of the reactor is small, so that the filter efficiency is easily affected by blockage, the filter screen is required to be cleaned manually frequently, the use is troublesome, and after cleaning, secondary blockage is easily caused if the cleaned sundries and dirt are not removed in time, so that the integrated MBR sewage treatment equipment for rural town domestic wastewater is provided.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

an integrated MBR sewage treatment device for rural town domestic wastewater comprises a frame body, a filter screen is fixedly arranged on one surface of the frame body, two sliding grooves are vertically formed in the side face symmetry of the frame body away from the filter screen, two sliding blocks are arranged in the sliding grooves in a sliding manner, a sliding plate is fixedly arranged on the surface of the sliding block away from the frame body, a plurality of scraping blocks are fixedly arranged on the upper surface of the sliding plate, steel wire ropes are fixedly arranged on the upper surface of the sliding block, supports are fixedly arranged on the top ends of the sliding grooves, and one ends of the steel wire ropes away from the sliding block penetrate through the two supports respectively and are fixedly connected with floating tables.

Preferably, a pair of pulleys is rotatably mounted on both the brackets, and the two steel wire ropes respectively pass through the middle of each pair of pulleys.

Preferably, the left side wall and the right side wall of the two sliding grooves are vertically provided with limiting grooves, the two sliding blocks are symmetrically rotated left and right, a plurality of rollers are installed, and the rollers are in rolling contact with the groove walls of the limiting grooves respectively.

Preferably, the upper and lower groove walls of the two sliding grooves are fixedly provided with buffer blocks, and the buffer blocks are made of rubber.

Preferably, the surfaces of the scraping blocks close to the filter screen are fixedly provided with a plurality of filaments.

Preferably, the floating platform upper surface is equipped with the edulcoration mechanism that is used for adsorbing debris, edulcoration mechanism includes suction pump, hose and blow off pipe, floating platform middle part upper surface fixed mounting has the setting platform, suction pump fixed mounting is at setting platform upper surface, and is equipped with inlet tube and outlet pipe, the inlet tube passes the setting platform, and wears out the floating platform bottom, blow off pipe level fixed mounting is kept away from the surface of filter screen at the slide, and perpendicular fixed mounting has a plurality of communicating nozzle stubs rather than inside, hose one end is linked together with the blow off pipe, and keeps away from the one end and the water piping connection of blow off pipe, the length of hose is greater than wire rope's length, setting platform left and right sides is equipped with the receipts material mechanism that is used for collecting debris.

Preferably, the nozzle of the water outlet pipe is horizontally and fixedly provided with a guide pipe, and the water outlet pipe is communicated with the inside of the guide pipe.

Preferably, the receiving mechanism comprises a plurality of baffles, the baffles are symmetrically and vertically and fixedly arranged on the upper surface of the floating platform, a plurality of filtering holes are horizontally formed in the baffles close to the placement platform, and the apertures of the filtering holes are smaller than those of the filtering net.

Preferably, a sealing ring is fixedly sleeved at the joint of the water inlet pipe and the bottom of the floating platform.

Preferably, the outer parts of the two steel wire ropes are respectively provided with a protective layer in a sealing sleeve manner.

Compared with the prior art, the invention has the beneficial effects that:

1. through two slider slidable mounting in two spouts, two slider upper surface fixed mounting have the slide, two wire rope of two slider upper surfaces fixed mounting respectively, and the one end that the slider was kept away from to two wire rope is connected with the floating platform, and the floating platform moves with the help of rivers, and then the floating platform passes through wire rope drive slider and removes, and the slider drives the slide and removes, and the slide drives scrapes the piece and remove, and then reaches the purpose of debris clearance to the filter screen of reactor, need not dismantle the filter screen and carry out manual cleaning, reduced intensity of labour.

2. Through the inlet tube coupling hose of suction pump, through hose coupling blow off pipe, dirt and debris that will clear up down are in time inhaled the hose along with the rivers through the blow off pipe, pass through the hose and convey the suction pump to the suction pump, discharge the outlet pipe of suction pump, filter it through the baffle to reach dirt and debris that the clearance was got down in time to shift, avoided the secondary to block up, improved the clearance quality.

Drawings

Fig. 1 is a schematic perspective view of an integrated MBR sewage treatment device for rural town domestic wastewater according to the present invention;

fig. 2 is a schematic diagram of a front structure of an integrated MBR sewage treatment device for rural town domestic wastewater according to the present invention;

FIG. 3 is a schematic side view of an integrated MBR wastewater treatment device for rural town domestic wastewater;

FIG. 4 is a schematic view of the enlarged partial structure of FIG. 2A;

FIG. 5 is a schematic view of the structure of FIG. 2B in a partially enlarged manner;

FIG. 6 is a schematic view of the structure of FIG. 2C in a partially enlarged manner;

fig. 7 is a schematic view of a partial enlarged structure of D in fig. 3.

In the figure: 1 frame body, 2 filter screen, 3 spout, 4 sliders, 5 skateboards, 6 scraping blocks, 7 wire ropes, 8 supports, 9 floating tables, 10 pulleys, 11 limit grooves, 12 idler wheels, 13 buffer blocks, 14 suction pumps, 15 hoses, 16 blow-down pipes, 17 placement tables, 18 short pipes, 19 water inlet pipes, 20 water outlet pipes, 21 guide pipes, 22 baffle plates, 23 filter holes and 24 sealing rings.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1-7, an integrated MBR sewage treatment device for rural town domestic wastewater comprises a frame body 1, wherein a filter screen 2 is fixedly installed on one surface of the frame body 1, two sliding grooves 3 are symmetrically and vertically formed in the left side surface and the right side surface of the frame body 1, sliding blocks 4 are slidably installed in the two sliding grooves 3, sliding plates 5 are fixedly installed on the surfaces of the two sliding blocks 4, a plurality of scraping blocks 6 are fixedly installed on the upper surfaces of the sliding plates 5, steel wire ropes 7 are fixedly installed on the upper surfaces of the two sliding blocks 4, supports 8 are fixedly installed on the top ends of the two sliding grooves 3, and one ends, far away from the sliding blocks 4, of the two steel wire ropes 7 respectively penetrate through the two supports 8 and are fixedly connected with a floating platform 9.

In the embodiment of the technical scheme, an operator firstly installs the frame body 1 with the filter screen 2 in a matched mode with the filtering equipment, then selects the length of the steel wire rope 7 according to the water level of sewage, the selected standard of the length of the steel wire rope 7 is that when the water level of the sewage is static and not flowing, the two sliding blocks 4 are positioned at the bottommost part of the sliding groove 3, the steel wire rope 7 is in a vertical state, the floating platform 9 is positioned right above the frame body 1, when the sewage begins to flow, the sewage water flow drives the floating platform 9 to move and starts to be far away from the frame body 1, the floating platform 9 moves to pull the steel wire rope 7, the steel wire rope 7 pulls the sliding blocks 4 to move upwards, the sliding blocks 4 drive the sliding plates 5 to move upwards, so that the filter screen 2 is cleaned, when the sewage flows reversely, the floating platform 9 approaches the frame body 1, the sliding blocks 4 and the sliding plates 5 move downwards by means of self gravity, the filter screen 2 is cleaned downwards, the efficiency of cleaning is improved, the filter screen 2 is cleaned repeatedly and the filter screen 2 is prevented from being blocked in time by the reciprocating motion of the water flow, and the purification efficiency of the filter screen is improved.

According to the preferred technical scheme in the embodiment, the two brackets 8 are rotatably provided with the pair of pulleys 10, and the two steel wire ropes 7 respectively pass through the middle of each pair of pulleys 10, so that sliding friction between the steel wire ropes 7 and the brackets 8 is converted into rolling friction between the steel wire ropes 7 and the pulleys 10, friction is further reduced, the running of the equipment is more stable, and the abrasion of the equipment is reduced.

According to the preferred technical scheme in the embodiment, the limiting grooves 11 are formed in the left and right side walls of the two sliding grooves 3 vertically, the two sliding blocks 4 are symmetrically rotated left and right to be provided with the plurality of rollers 12, the plurality of rollers 12 are respectively in rolling contact with the groove walls of the plurality of limiting grooves 11, sliding friction between the two sliding blocks 4 and the sliding grooves 3 is converted into rolling friction between the plurality of rollers 12 and the groove walls of the limiting grooves 11, the purpose of reducing friction is achieved, abrasion of equipment is reduced, the service life of the equipment is prolonged, and running stability of the equipment is improved.

According to the preferred technical scheme in the embodiment, the buffer blocks 13 are fixedly arranged on the upper groove walls and the lower groove walls of the two sliding grooves 3, the buffer blocks 13 are made of rubber, when sewage water flows repeatedly and rapidly, the sliding block 4 can rapidly rise or rapidly fall due to the rapid second water flow, the sliding block 4 and the frame body 1 can collide due to inertia generated by movement, the kinetic energy of the sliding block 4 is absorbed by the buffer blocks 13 made of rubber, the sliding block 4 and the frame body 1 are protected, and equipment is prevented from being damaged due to collision.

According to the preferred technical scheme in the embodiment, the surfaces of the scraping blocks 6 close to the filter screen 2 are fixedly provided with a plurality of filaments, because the meshes of the filter screen 2 are perpendicular to the surfaces of the scraping blocks 6, dirt and sundry scraping blocks 6 in the meshes cannot be cleaned, the meshes can be cleaned by utilizing the flexibility of the filaments, and therefore the cleaning effect is better.

According to the preferred technical scheme in the embodiment, the impurity removing mechanism for adsorbing impurities is arranged on the upper surface of the floating platform 9, the impurity removing mechanism comprises a suction pump 14, a hose 15 and a drain pipe 16, a settling platform 17 is fixedly arranged on the upper surface of the middle part of the floating platform 9, the suction pump 14 is fixedly arranged on the upper surface of the settling platform 17 and is provided with a water inlet pipe 19 and a water outlet pipe 20, the water inlet pipe 19 passes through the settling platform 17 and penetrates out of the bottom of the floating platform 9, the drain pipe 16 is horizontally and fixedly arranged on the surface of the sliding plate 5 far away from the filter screen 2, a plurality of short pipes 18 communicated with the inside of the water inlet pipe 16 are vertically and fixedly arranged, one end of the hose 15 is communicated with the drain pipe 16, one end far away from the drain pipe 16 is connected with the water inlet pipe 19, the length of the hose 15 is larger than the length of the steel wire rope 7, the left side and the right side of the settling platform 17 are provided with a material collecting mechanism for collecting impurities, the hose 15 is connected with the drain pipe 16 through the hose 15, the drain pipe 16 is fixedly provided with a plurality of short pipes 18 communicated with the inside the drain pipe 16, when the scraping block 6 cleans impurities and the impurities from the filter screen 2, the drain pipe 14 is cleaned down, the impurities and the impurities are sucked into the drain pipe 16 through the drain pipe 16 and the water through the water inlet pipe 19, the water inlet pipe 19 is designed to be more than the length of the hose 15 is required to be connected with the hose 15, and is more convenient to be more convenient to the length to the water, and the water is more than the water is more convenient to be separated by the water, and more than the water, and the water is more than the water is more convenient to be clean the water.

According to the preferred technical scheme in the embodiment, the flow guide pipe 21 is horizontally and fixedly arranged at the pipe orifice of the water outlet pipe 20, the water outlet pipe 20 is communicated with the inside of the flow guide pipe 21, and in the design, the two pipe orifices of the flow guide pipe 21 respectively flow to the two receiving mechanisms, so that sewage with impurities and dirt can uniformly flow to two sides, the impact force of water flow is avoided, the floating platform 9 is inclined, and the stability of the floating platform 9 is improved.

According to the preferred technical scheme in the embodiment, the material receiving mechanism comprises a plurality of baffle plates 22, the baffle plates 22 are symmetrically and vertically fixedly arranged on the upper surface of the floating platform 9, a plurality of filter holes 23 are horizontally formed in the baffle plates 22 close to the placement platform 17, the pore diameters of the filter holes 23 are smaller than those of the filter screen 2, the design is used for filtering the sewage with impurities and dirt discharged by the suction pump 14 through the water outlet pipe 20, the impurities and dirt are collected on the floating platform 9 through the filtration of the baffle plates 22 with the filter holes 23, the impurities and dirt are prevented from being reserved in the sewage again, secondary blocking of the filter screen 2 is avoided, in the design, the pore diameters of the filter holes 23 are smaller than those of the filter screen 2, because when the impurities and dirt which cannot pass through the filter screen 2 are also prevented from passing through, if the pore diameters of the filter holes 23 are larger than those of the filter screen 2, the impurities and the dirt cannot be collected, so that the impurities and the dirt can flow into the sewage again, and the secondary blocking of the filter screen 2 is easy to cause.

In the preferred technical scheme of this embodiment, the fixed cover in inlet tube 19 and floating platform 9 bottom junction is equipped with sealing washer 24, because floating platform 9 floats with on the surface of water of sewage, when slider 4 and slide 5 rely on self gravity downwardly moving, can produce decurrent pulling force to floating platform 9, and then make rivers easily get into inside floating platform 9 through the clearance between inlet tube 19 and the floating platform 9, produce the harm to floating platform 9 inside, this design is favorable to avoiding floating platform 9 inside to receive the erosion of sewage, and then has prolonged the life of equipment.

According to the technical scheme, the two steel wire ropes 7 are externally and respectively provided with the protective layer in the sealing sleeve, and the steel wire ropes 7 are soaked in sewage for a long time, and the sewage contains acidic and alkaline substances, so that the steel wire ropes 7 are easy to generate acidic and alkaline corrosion, and the service life of the steel wire ropes 7 is further shortened.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides an integrated MBR sewage treatment device for rural town domestic wastewater, includes framework (1), its characterized in that, the one side fixed mounting of framework (1) has filter screen (2), two spouts (3) have been seted up perpendicularly to the left and right sides symmetry that framework (1) kept away from filter screen (2), two equal slidable mounting has slider (4) in spout (3), two fixed surface that framework (1) was kept away from to slider (4) has slide (5), fixed surface installs a plurality of scrapes piece (6) on slide (5), two equal fixed mounting of slider (4) upper surface has wire rope (7), two equal fixed mounting in top of spout (3) has support (8), and two one end that slider (4) were kept away from to wire rope (7) pass two supports (8) respectively, and fixedly connected with floating platform (9); the floating platform (9) is positioned right above the frame body (1), when sewage starts to flow, the sewage water flow drives the floating platform (9) to move and starts to be far away from the frame body (1), the movement of the floating platform (9) generates tension to the steel wire rope (7), the steel wire rope (7) pulls the sliding block (4) to move upwards, the sliding block (4) drives the sliding plate (5) to move upwards, the sliding plate (5) drives the scraping block (6) to move upwards, so that the filter screen (2) is cleaned, when sewage flows reversely, the floating platform (9) approaches the frame body (1), the sliding block (4) and the sliding plate (5) move downwards by virtue of self gravity, so that the scraping block (6) is driven to move downwards, the filter screen (2) is cleaned secondarily, the cleaning efficiency is improved, the filter screen (2) is cleaned repeatedly and timely through the reciprocating movement of the water flow, the filter screen (2) is prevented from being blocked, and the sewage purifying efficiency is improved; a pair of pulleys (10) are rotatably arranged on the two brackets (8), and the two steel wire ropes (7) respectively pass through the middle of each pair of pulleys (10); limiting grooves (11) are formed in the left side wall and the right side wall of the two sliding grooves (3) vertically, a plurality of rollers (12) are symmetrically arranged in a left-right rotating mode on the two sliding blocks (4), the rollers (12) are in rolling contact with the groove walls of the limiting grooves (11) respectively, sliding friction between the steel wire rope (7) and the bracket (8) is converted into rolling friction between the steel wire rope (7) and the pulley (10), and therefore friction force is reduced, equipment runs more stably, and equipment abrasion is reduced; the device is characterized in that a impurity removing mechanism for adsorbing impurities is arranged on the upper surface of the floating platform (9), the impurity removing mechanism comprises a suction pump (14), a hose (15) and a drain pipe (16), a placement platform (17) is fixedly arranged on the upper surface of the middle part of the floating platform (9), the suction pump (14) is fixedly arranged on the upper surface of the placement platform (17), a water inlet pipe (19) and a water outlet pipe (20) are arranged, the water inlet pipe (19) penetrates through the placement platform (17) and penetrates out of the bottom of the floating platform (9), the drain pipe (16) is horizontally and fixedly arranged on the surface of the sliding plate (5) far away from the filter screen (2), a plurality of short pipes (18) communicated with the inside of the drain pipe are vertically and fixedly arranged, one end of the hose (15) is communicated with the drain pipe (16), one end far away from the drain pipe (16) is connected with the water inlet pipe (19), the length of the hose (15) is larger than that of the steel wire rope (7), and a material collecting mechanism for collecting impurities is arranged on the left side and the right side of the placement platform (17). The sewage disposal device is characterized in that a hose (15) is connected through a water inlet pipe (19) of a suction pump (14), a sewage disposal pipe (16) is connected through the hose (15), a plurality of short pipes (18) communicated with the inside of the sewage disposal pipe (16) are fixedly arranged on the sewage disposal pipe (16), when impurities and dirt are cleaned from a filter screen (2) through a scraping block (6), the impurities and the dirt are sucked into the hose (15) through the sewage disposal pipe (16), the impurities and the dirt are sucked into a pump body through the water inlet pipe (19), water with the impurities and the dirt is discharged through a water outlet pipe (20), after the sewage with the impurities and the dirt is treated through a material collecting mechanism, the water is filtered, the impurities and the dirt are collected on a floating platform (9), and secondary blockage is avoided, and in the design, the length of the hose (15) is larger than the length of a steel wire rope (7), more precisely, the length of the hose (15) is larger than the sum of the vertical length of a sliding groove (3) and the length of the steel wire rope (7), so that the hose (15) is prevented from being broken, and the hose (15) is protected. Buffer blocks (13) are fixedly arranged on the upper and lower groove walls of the two sliding grooves (3), and a plurality of buffer blocks (13) are made of rubber; the buffer block (13) made of rubber is used for absorbing the kinetic energy of the sliding block (4), so that the sliding block (4) and the frame body (1) are protected, and equipment is prevented from being damaged due to collision; the surfaces of the scraping blocks (6) close to the filter screen (2) are fixedly provided with a plurality of hairlines; the meshes of the filter screen (2) are vertical to the surface of the scraping block (6), dirt and sundries inside the meshes cannot be cleaned by the scraping block (6), and the meshes can be cleaned by the aid of the flexibility of the hairline, so that a better cleaning effect is achieved; a flow guide pipe (21) is horizontally and fixedly arranged at the pipe orifice of the water outlet pipe (20), and the water outlet pipe (20) is communicated with the inside of the flow guide pipe (21); the material receiving mechanism comprises a plurality of baffles (22), the baffles (22) are symmetrically and vertically and fixedly arranged on the upper surface of the floating platform (9), a plurality of filtering holes (23) are horizontally formed in the baffles (22) close to the placement platform (17), and the apertures of the filtering holes (23) are smaller than the aperture of the filter screen (2); when impurities and dirt which cannot pass through the filter screen (2) cannot pass through the filter holes (23), if the aperture of the filter holes (23) is larger than the aperture of the mesh of the filter screen (2), the impurities and the dirt cannot be collected, so that the impurities and the dirt can flow into the sewage again, and secondary blockage of the filter screen (2) is easily caused; a sealing ring (24) is fixedly sleeved at the joint of the water inlet pipe (19) and the bottom of the floating platform (9); the sealing ring (24) is used for sealing and waterproofing, so that the inside of the floating platform (9) is prevented from being corroded by sewage, and the service life of the equipment is prolonged.

2. An integrated MBR sewage treatment device for rural town domestic wastewater according to claim 1, wherein both steel wire ropes (7) are externally sealed and provided with protective layers; is used for protecting the steel wire rope (7).