Anti-blocking self-cleaning ceramic membrane bioreactor for wastewater

Abstract

The present invention provides an anti-blocking self-cleaning ceramic membrane bioreactor for wastewater, comprising a base. A reaction tank is fixedly mounted at the top of the base; a filter mechanism is fixedly mounted on the base on one side of the reaction tank; an aeration chamber, a precipitation chamber, a reaction chamber, and a storage chamber are respectively provided inside the reaction tank; an adjustment mechanism and a material change mechanism are respectively mounted on a support frame; a reaction mechanism is hoisted at the bottom of the adjustment mechanism; a load chamber is fixedly mounted in the reaction chamber below the reaction mechanism; the bottom end of the material change mechanism extends into the load chamber; and a backflush component is mounted at the top of the reaction chamber. In the present invention, the adjustment mechanism and the reaction mechanism cooperate with each other, inner and outer walls of the load chamber are cleaned during lifting and lowering, and dirt on the load chamber is removed; and during separation, the backflush component is mated and connected for flushing, so that the reaction mechanism in a separated state can be cleaned more thoroughly, thereby achieving a good unclogging effect.

Description

Anti-blocking self-cleaning sewage ceramic membrane bioreactor TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to an anti-blocking self-cleaning sewage ceramic membrane bioreactor. BACKGROUND

[0002] The sewage treatment process usually includes a series of physical, chemical and biological reactions, the purpose is to remove pollutants in water, so that it can be safely discharged or reused standard; Among them, the biological treatment is mainly used to decompose organic matter in sewage by microorganisms, which is usually achieved by activated sludge method or biofilm method; In the activated sludge method, microorganisms are massively propagated in the aeration tank, consume organic matter and convert it into carbon dioxide, water and cell material, and the biofilm method is to cultivate microorganisms on the filler to form a biofilm, when the sewage flows through, the microorganisms on the biofilm adsorb and decompose organic matter;

[0003] Among them, the ceramic membrane sewage treatment is a kind of advanced sewage treatment method combining biological treatment and membrane separation technology, combined with biological treatment technology, such as membrane bioreactor (MBR), ceramic membrane can provide a high-efficiency solid-liquid separation environment, increase the biomass in the bioreactor, and improve the sewage treatment efficiency; However, with the filtration process of sewage, ceramic membrane may capture and accumulate suspended particles, organic matter, inorganic salt and other impurities, if these substances are not cleaned in time, the membrane holes may be blocked, and when treating liquid containing microorganisms, microorganisms may grow on the membrane surface or inside, forming a biofilm, resulting in a decrease in membrane flux, resulting in a decrease in the operating performance of the reactor;

[0004] Therefore, the present application provides an anti-blocking self-cleaning sewage ceramic membrane bioreactor. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides an anti-blocking self-cleaning sewage ceramic membrane bioreactor to solve the problems mentioned in the background art.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme:

[0007] The utility model provides a kind of anti-blocking self-cleaning type sewage ceramic membrane bioreactor, including base, the top of the base is fixedly installed with reaction tank body, the base on the side of reaction tank body is fixedly installed with filtering mechanism, the inside of reaction tank body is provided with aeration chamber, sedimentation chamber, reaction chamber, storage chamber respectively, and first water guide hole is arranged between aeration chamber and sedimentation chamber, second water guide hole is arranged between sedimentation chamber and reaction chamber, aeration assembly is equipped on the base, and the operating end of aeration assembly extends into aeration chamber, reaction chamber respectively, the bottom of storage chamber is provided with several collection tanks, the top of the base is equipped with mud pumping assembly, and the operating end of mud pumping assembly extends into collection tank, the top of reaction tank body is fixedly installed with support frame, the support frame is equipped with adjusting mechanism and material replacement mechanism respectively, the bottom of adjusting mechanism is hoisted with reaction mechanism, load room is fixedly installed in the reaction chamber below reaction mechanism, the bottom end of material replacement mechanism extends into load room, the top of reaction chamber is equipped with backflushing assembly, and the input end of backflushing assembly is arranged in storage chamber;The adjusting mechanism includes electric telescopic cylinder, installation cavity, n type hanger, guide seat, screw rod, motor;Material replacement mechanism includes material replacement assembly, collection screen frame;Reaction mechanism includes bearing assembly, guide component, filter component, liquid guide component, scraping component, positioning connector, positioning plate, the top of support frame is fixedly installed with electric telescopic cylinder, the output end of electric telescopic cylinder is docked with installation cavity, the inside of installation cavity is docked with screw rod, and the side of installation cavity is fixedly installed with motor, the output end of motor is connected with screw rod, guide seat is sleeved on screw rod, n type hanger is fixedly installed at the bottom of guide seat, guide component is fixedly installed at the bottom of n type hanger, bearing assembly is docked with guide component at the bottom of guide component, a plurality of filter components are docked between bearing assembly and guide component, liquid guide component is docked at the top of guide component, scraping component is fixedly installed at the bottom of bearing assembly, and scraping component is assembled with load room, two groups of positioning plates are fixedly installed on the inner wall of reaction chamber, positioning connector is fixedly installed at the top of guide component, and positioning connector and positioning plate correspond to each other, collection screen frame is clamped on the top of support frame, material replacement assembly is equipped on the top of support frame, and the operating end of material replacement assembly extends into load room;

[0008] The backflushing assembly includes water guide branch pipe, support seat, first flushing connector, second flushing connector, support seat is fixedly installed on the top of reaction chamber, water guide branch pipe is erected on the top of support seat, the first flushing connector and the second flushing connector that are communicated are docked on the bottom of water guide branch pipe respectively, and the first flushing connector is longer than the second flushing connector, and the first flushing connector, the second flushing connector and filter component are docked.

[0009] Further, the filtering mechanism comprises a filtering tank, a lifting pump, a first water inlet, a lifting pipe, a water guide disc, a water guide hole, the top of the base is fixedly installed with the filtering tank, the top of the filtering tank is fixedly installed with a cover plate and a filter screen, the top of the cover plate is butt-jointedly installed with the first water inlet extending into the filtering tank, the bottom of the first water inlet is butt-jointedly installed with the water guide disc, the bottom of the water guide disc is uniformly provided with the water guide hole, the inside of the filtering tank is fixedly installed with the filter screen, the bottom of the filtering tank is provided with the lifting pump, the output end of the lifting pump is butt-jointedly provided with the lifting pipe, and the lifting pipe is communicated with the aeration chamber.

[0010] Further, the aeration assembly comprises an aerator, a main gas pipe, a first branch gas pipe, a gas guide disc and aeration holes, the top of the base is fixedly installed with the aerator, the output end of the aerator is butt-jointedly installed with the main gas pipe, the main gas pipe extends above the reaction tank, the end of the main gas pipe is butt-jointedly installed with two groups of first branch gas pipes, the two groups of first branch gas pipes extend into the aeration chamber and the reaction chamber respectively, the bottom end of the first branch gas pipe is butt-jointedly installed with the gas guide disc, the top of the gas guide disc is uniformly provided with the aeration holes, and the aeration chamber and the reaction chamber are aerated through the aeration holes on the gas guide disc.

[0011] Further, the mud pumping assembly comprises a mud pumping pump, a main mud pumping pipe and a secondary mud pumping pipe, the top of the base is fixedly installed with the mud pumping pump, the output end of the mud pumping pump is butt-jointedly installed with the main mud pumping pipe, a plurality of secondary mud pumping pipes are butt-jointedly installed on the main mud pumping pipe, the secondary mud pumping pipes extend into the collecting tank, and the secondary mud pumping pipes pump the sludge in the collecting tank through the suction holes at the bottom.

[0012] Further, the adjusting mechanism further comprises guide rods and a sliding part, two groups of guide rods are through-installed on the support frame, the bottom end of the guide rod is installed and connected with the installation cavity, the inside of the installation cavity is assembled with the sliding part, and the installation cavity is slidably connected with the guide base through the sliding part.

[0013] Further, the material replacing assembly comprises a material replacing cylinder, a sealing cover, a material guide pipe, an input pipe one, an output pipe two, an input pipe two, a first electric valve, an output pipe one, a liquid pumping pipe, a second electric valve and a circulating pump, the material guide pipe is through-installed on the support frame, the liquid pumping pipe is through-installed on the support frame, the bottom end of the material guide pipe and the liquid pumping pipe extends into the load house, the top of the support frame is fixedly installed with the circulating pump, the output end of the circulating pump is butt-jointedly installed with the output pipe one, the end of the output pipe one is butt-jointedly installed with the output pipe two, one end of the output pipe two is located above the collecting screen frame, and the other end is communicated with the material replacing cylinder, both ends of the output pipe two are assembled with the second electric valve, the input end of the circulating pump is butt-jointedly installed with the input pipe one, the input pipe one is communicated with the material replacing cylinder, the input pipe one is butt-jointedly installed with the input pipe two, the end of the input pipe two is installed and communicated with the liquid pumping pipe, and both the input pipe two and the input pipe one are assembled with the first electric valve.

[0014] Further, the bearing assembly comprises a lower plate, a spring, a supporting piece, a guide piece, a pull rod, the bottom of the filter assembly is assembled with the lower plate, the lower plate is uniformly provided with guide ports, the guide ports correspond to the filter assembly, the guide ports are provided with the guide pieces, the guide pieces are provided with the pull rods, the bottom of the pull rod is fixedly provided with the supporting piece, the spring is sleeved on the pull rod between the guide piece and the supporting piece;

[0015] The guide assembly comprises an upper plate, an outer sleeve rod, an inner sleeve rod, a connecting plate and a mud scraping plate, the top of the filter assembly is butted and installed with the upper plate, the top of the pull rod is fixedly connected with the bottom of the upper plate, one side of the upper plate is fixedly installed with the outer sleeve rod, the outer sleeve rod is sleeved with the inner sleeve rod, the bottom of the inner sleeve rod is fixedly installed with the connecting plate, and the connecting plate is fixedly installed with a plurality of mud scraping plates, and the mud scraping plates are in contact with the bottom surface of the reaction chamber.

[0016] Further, the filter assembly comprises a lower shell, a first ceramic filter membrane, a lower butt joint, an upper shell, a second ceramic filter membrane, a second water inlet, and an upper butt joint, the top of the lower plate is butted and installed with the lower shell, the bottom of the lower shell is butted and installed with the second water inlet penetrating through the lower plate, the top of the lower shell is fixedly installed with the lower butt joint, the lower butt joint is butted and installed with the upper butt joint, the lower shell is butted and installed with the upper shell through the lower butt joint and the upper butt joint, the upper shell is installed with the second ceramic filter membrane, the inside of the lower shell is butted and installed with the first ceramic filter membrane, and the first ceramic filter membrane and the second ceramic filter membrane are butted and communicated with each other.

[0017] The liquid guide assembly comprises a clean water branch pipe, a clean water main pipe, a liquid guide square pipe, a sewage outlet and a one-way water inlet, the top of the upper shell is butted and installed with the clean water main pipe penetrating through the upper plate, the clean water main pipe and the second ceramic filter membrane are communicated with each other, the top of the clean water main pipe is butted and installed with the liquid guide square pipe, the top of the liquid guide square pipe is butted and installed with the one-way water inlet, the end surface of the liquid guide square pipe is butted and installed with the sewage outlet, one side of the upper shell is butted and installed with the clean water branch pipe, the clean water branch pipe penetrates through the upper plate, and the top of the clean water branch pipe is butted and installed with the clean water main pipe.

[0018] Further, the dirt scraping assembly comprises a connecting rod, an upper connecting frame, a lower connecting frame, an external dirt scraping plate and an internal dirt scraping plate, the bottom of the lower plate is fixedly installed with two groups of connecting rods, the connecting rods extend into the load house, the connecting rods on the outer side of the load house are fixedly installed with the upper connecting frame, the end of the upper connecting frame is fixedly installed with the external dirt scraping plate, the external dirt scraping plate is located on the outer side of the four sides of the load house, the connecting rods on the inner side of the load house are fixedly installed with the lower connecting frame, and the end of the lower connecting frame is butted and installed with the internal dirt scraping plate, the internal dirt scraping plate is located on the inner side of the four sides of the load house.

[0019] Further, the backflushing assembly comprises a water guide main pipe, a water pumping pipe and a water pump, the water pump is installed at the bottom of the storage chamber, the water pumping pipe is connected to the output end of the water pump, the water guide branch pipes are connected to the water guide main pipe at one end, and the water guide main pipe is connected to the top of the water pumping pipe.

[0020] The application provides a self-cleaning anti-blocking sewage ceramic membrane bioreactor.

[0021] 1. The adjusting mechanism and the reaction mechanism cooperate with each other, so that the reaction mechanism can be lifted and separated, the inner and outer walls of the load chamber can be cleaned during lifting, and dirt on the load chamber can be removed, the reaction mechanism can be in the cleaning state during separation, and the backflushing assembly can be connected for flushing, the separated reaction mechanism can be cleaned more thoroughly, good dredging effect is achieved, the mud deposited at the bottom of the reaction chamber can be scraped, the mud can be pushed into the collecting groove for centralized suction, and the mud can be sucked out more efficiently.

[0022] 2. The material changing mechanism cooperates with the load chamber, so that the reactor can automatically change the filler, the filler in the load chamber can be sucked out by suction, and the new filler can be reversely transported into the load chamber, so that the operation of the personnel is more convenient. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0024] Fig. 1 shows a first perspective view of the anti-blocking self-cleaning sewage ceramic membrane bioreactor of the application;

[0025] Fig. 2 shows a second perspective view of the anti-blocking self-cleaning sewage ceramic membrane bioreactor of the application;

[0026] Fig. 3 shows an internal assembly structure diagram of the anti-blocking self-cleaning sewage ceramic membrane bioreactor of the application;

[0027] Fig. 4 shows a reaction chamber internal structure diagram of the application;

[0028] Fig. 5 shows a filter mechanism composition structure diagram of the application;

[0029] Fig. 6 shows a scraper assembly and load chamber assembly structure diagram of the application;

[0030] Figure 7 shows the schematic diagram of the reaction mechanism and the backflush assembly assembly structure of the present application;

[0031] Figure 8 shows the schematic diagram of the first component structure of the reaction mechanism of the present application;

[0032] Figure 9 shows the schematic diagram of the second component structure of the reaction mechanism of the present application;

[0033] Figure 10 shows the schematic diagram of the third component structure of the reaction mechanism of the present application;

[0034] Figure 11 shows the schematic diagram of the bearing assembly and the filter assembly assembly structure of the present application;

[0035] Figure 12 shows the schematic diagram of the filter assembly and the liquid guide assembly assembly structure of the present application;

[0036] Figure 13 shows the schematic diagram of the adjusting mechanism component structure of the present application;

[0037] Figure 14 shows the schematic diagram of the reloading mechanism and the adjusting mechanism assembly structure of the present application;

[0038] Figure 15 shows the schematic diagram of the reloading assembly component structure of the present application;

[0039] As shown in the figure: 1, base; 2, filtering mechanism; 21, filtering tank body; 22, lifting pump; 23, first water inlet; 24, lifting pipe; 25, water guide disc; 26, water guide inlet; 27, cover plate; 28, filter screen plate; 3, aeration assembly; 31, aerator; 32, main air pipe; 33, first branch air pipe; 34, air guide disc; 35, aeration hole; 4, reaction tank body; 41, aeration chamber; 411, first water guide hole; 42, sedimentation chamber; 421, second water guide hole; 43, reaction chamber; 44, storage chamber; 45, collection tank; 5, mud pumping assembly; 51, mud pumping pump; 52, main mud pumping pipe; 53, auxiliary mud pumping pipe; 6, adjusting mechanism; 61, electric telescopic cylinder; 62, guide rod; 63, mounting cavity; 64, sliding part; 65, n-shaped hanger; 66, guide seat; 67, screw rod; 68, motor; 7, material replacement mechanism; 71, material replacement assembly; 711, material replacement cylinder; 712, sealing cover; 713, material guide pipe; 714, input pipe one; 715, output pipe two; 716, input pipe two; 717, first electric valve; 718, output pipe one; 719, liquid pumping pipe; 7110, second electric valve; 7111, circulating pump; 72, collection screen frame; 8, reaction mechanism; 81, bearing assembly; 811, lower loading plate; 8111, guide inlet; 812, spring; 813, support piece; 814, guide piece; 815, pull rod; 82, guide assembly; 821, upper loading plate; 822, outer sleeve rod; 823, inner sleeve rod; 824, connecting plate; 825, mud scraping plate; 83, filtering assembly; 831, lower outer shell; 832, first ceramic filter membrane; 833, lower butt joint piece; 834, upper outer shell; 835, second ceramic filter membrane; 836, second water inlet; 837, upper butt joint piece; 84, liquid guide assembly; 841, clean water branch pipe; 842, clean water main pipe; 843, liquid guide square pipe; 844, sewage outlet; 845, one-way water injection inlet; 85, dirt scraping assembly; 851, connecting rod; 852, upper connecting frame; 853, lower connecting frame; 854, external dirt scraping plate; 855, internal dirt scraping plate; 86, positioning joint; 87, positioning plate; 9, load house; 10, backflush assembly; 101, water guide main pipe; 102, water guide branch pipe; 103, support seat; 104, first flushing joint; 105, second flushing joint; 106, water pumping pipe; 107, water pump; 11, support frame. DETAILED DESCRIPTION

[0040] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0041] Embodiment one

[0042] To solve the technical problems in the background art, the following is provided: a self-cleaning anti-blocking sewage ceramic membrane bioreactor:

[0043] In combination with the drawings 1-15, the self-cleaning anti-blocking sewage ceramic membrane bioreactor provided by the application comprises a base 1, the top of the base 1 is fixedly installed with a reaction tank body 4, the base 1 on one side of the reaction tank body 4 is fixedly installed with a filtering mechanism 2, the inside of the reaction tank body 4 is respectively provided with an aeration chamber 41, a sedimentation chamber 42, a reaction chamber 43 and a storage chamber 44, a first water guide hole 411 is arranged between the aeration chamber 41 and the sedimentation chamber 42, and a second water guide hole 421 is arranged between the sedimentation chamber 42 and the reaction chamber 43, the base 1 is assembled with an aeration assembly 3, and the working end of the aeration assembly 3 extends into the aeration chamber 41 and the reaction chamber 43 respectively, the bottom of the storage chamber 44 is provided with a plurality of collection tanks 45, the top of the base 1 is assembled with a mud pumping assembly 5, and the working end of the mud pumping assembly 5 extends into the collection tank 45, the top of the reaction tank body 4 is fixedly installed with a support frame 11, the support frame 11 is respectively assembled with an adjusting mechanism 6 and a material replacement mechanism 7, the bottom of the adjusting mechanism 6 is hoisted with a reaction mechanism 8, the reaction chamber 43 below the reaction mechanism 8 is fixedly installed with a load house 9, the bottom end of the material replacement mechanism 7 extends into the load house 9, the top of the reaction chamber 43 is assembled with a backflushing assembly 10, and the input end of the backflushing assembly 10 is arranged in the storage chamber 44;

[0044] During the period, the reactor is in operation, the sewage will first pass through the filter mechanism 2 for initial filtration, the filter mechanism 2 will filter the large particles and substances in the sewage, and then be lifted into the aeration chamber 41 for aeration. The oxygen in the air is dissolved into the sewage through the aeration assembly 3 to improve the dissolved oxygen content of the water body. The bubbles generated during the aeration process will stir the sewage when rising, so that the sewage and microorganisms are in full contact and uniformly distributed, improving the reaction efficiency. After sedimentation in the sedimentation chamber 42, the sewage enters the reaction chamber 43 for reaction. The microorganisms in the sewage are retained by the filler in the load house 9. The sewage is filtered and purified by the reaction mechanism 8 using ceramic membranes, and clean water is resolved. The adjustment mechanism 6 and the reaction mechanism 8 cooperate with each other to realize the lifting and separation of the reaction mechanism 8. When lifting, the inner and outer walls of the load house 9 are cleaned to remove dirt on the load house 9. When separating, the reaction mechanism 8 can be in a cleaning state, cooperating with the backflush assembly 10 for docking and flushing. The separated reaction mechanism 8 can be cleaned more thoroughly, achieving good dredging effect. The sludge deposited at the bottom of the reaction chamber 43 can be scraped to push the sludge into the collection tank 45 for centralized suction, ensuring that the sludge is sucked out more efficiently. The exchange mechanism 7 and the load house 9 cooperate with each other to realize automatic replacement of the filler in the reactor. The load filler in the load house 9 can be sucked out by suction, and the state can be switched to reversely transport new filler into the load house 9, making the operation more convenient.

[0045] The adjusting mechanism 6 comprises an electric telescopic cylinder 61, a mounting cavity 63, an n-shaped hanger 65, a guide seat 66, a lead screw 67, a motor 68; the refueling mechanism 7 comprises a refueling assembly 71 and a collection screen frame 72; the reaction mechanism 8 comprises a bearing assembly 81, a guide assembly 82, a filtering assembly 83, a liquid guide assembly 84, a scraping assembly 85, a positioning joint 86 and a positioning plate 87; the electric telescopic cylinder 61 is fixedly installed at the top of the support frame 11, the output end of the electric telescopic cylinder 61 is connected and installed with the mounting cavity 63, the inside of the mounting cavity 63 is connected and installed with the lead screw 67, the side of the mounting cavity 63 is fixedly installed with the motor 68, the output end of the motor 68 is connected with the lead screw 67, the guide seat 66 is sleeved on the lead screw 67, the n-shaped hanger 65 is fixedly installed at the bottom of the guide seat 66, the guide assembly 82 is fixedly installed at the bottom of the n-shaped hanger 65, the bearing assembly 81 is connected and installed between the guide assembly 82 and the n-shaped hanger 65, and a plurality of filtering assemblies 83 are connected and installed between the guide assembly 82 and the bearing assembly 81; the liquid guide assembly 84 is connected and installed at the top of the guide assembly 82, the scraping assembly 85 is fixedly installed at the bottom of the bearing assembly 81 and assembled with the load room 9, two groups of positioning plates 87 are fixedly installed on the inner wall of the reaction chamber 43, the positioning joint 86 is fixedly installed at the top of the guide assembly 82 and corresponds to the positioning plate 87, the collection screen frame 72 is clamped at the top of the support frame 11, and the refueling assembly 71 is assembled at the top of the support frame 11 and extends into the load room 9;

[0046] The backflushing assembly 10 comprises a water guide branch pipe 102, a support seat 103, a first flushing joint 104 and a second flushing joint 105; the support seat 103 is fixedly installed at the top of the reaction chamber 43, the water guide branch pipe 102 is erected at the top of the support seat 103, the first flushing joint 104 and the second flushing joint 105 are connected and installed at the bottom of the water guide branch pipe 102 in communication, the first flushing joint 104 is longer than the second flushing joint 105, and the first flushing joint 104 and the second flushing joint 105 are connected and matched with the filtering assembly 83;

[0047] During the period, the n-shaped hanger 65 is used for hoisting the filtering assembly 83, the top and the bottom of the filtering assembly 83 are clamped by the bearing assembly 81 and the guide assembly 82, the liquid filtered by the filtering assembly 83 is shunted and discharged by the liquid guide assembly 84, the guide assembly 82 and the scraping assembly 85 are matched with each other, so that the scraping assembly 85 can scrape the inner and outer walls of the load room 9 to reduce the adhering objects; when the load filler is replaced, the old filler is guided into the collection screen frame 72, and the refueling assembly 71 is used for replacing the new and old load fillers;

[0048] When backwashing is performed, the filter assembly 83 is separated, and after the filter assembly 83 is separated, the first flushing joint 104 and the second flushing joint 105 are docked, so that the filter assembly 83 is backwashed by clean water, and the inside of the filter assembly 83 is cleaned and dredged.

[0049] Embodiment Two

[0050] As shown in FIGS. 1 and 15, on the basis of the above embodiment, the present embodiment further provides the following content:

[0051] In the present embodiment, the filter mechanism 2 comprises a filter tank 21, a lifting pump 22, a first water inlet 23, a lifting pipe 24, a water guide disc 25, and a water guide hole 26. The filter tank 21 is fixedly installed on the top of the base 1. The filter tank 21 is fixedly installed with a cover plate 27 and a filter screen plate 28 on the top. The first water inlet 23 extending into the filter tank 21 is docked and installed on the top of the cover plate 27. The water guide disc 25 is docked and installed on the bottom of the first water inlet 23. The water guide holes 26 are uniformly distributed on the bottom of the water guide disc 25. The filter screen plate 28 is fixedly installed in the filter tank 21. The lifting pump 22 is arranged at the bottom of the filter tank 21. The lifting pipe 24 is docked with the output end of the lifting pump 22, and the lifting pipe 24 is in communication with the aeration chamber 41.

[0052] During this period, the sewage enters the water guide disc 25 through the first water inlet 23, and then the sewage is guided out through the water guide holes 26 on the water guide disc 25. At this time, the sewage flows into the filter screen plate 28 for filtration. At this time, the large-particle impurities are retained on the filter screen plate 28, and then enter the filter tank 21 for collection. Then, the lifting pump 22 is started, and the lifting pipe 24 is used to perform aeration operation in the aeration chamber 41.

[0053] In the present embodiment, the aeration assembly 3 comprises an aerator 31, a main gas pipe 32, a first branch gas pipe 33, a gas guide disc 34, and an aeration hole 35. The aerator 31 is fixedly installed on the top of the base 1. The output end of the aerator 31 is docked and installed with the main gas pipe 32, and the main gas pipe 32 extends above the reaction tank 4. Two groups of first branch gas pipes 33 are docked and installed at the end of the main gas pipe 32, and the two groups of first branch gas pipes 33 extend into the aeration chamber 41 and the reaction chamber 43, respectively. The first branch gas pipe 33 is docked and installed with the gas guide disc 34 at the bottom end. The gas guide disc 34 is uniformly distributed with the aeration holes 35 on the top. The aeration chamber 41 and the reaction chamber 43 are aerated through the aeration holes 35 on the gas guide disc 34.

[0054] During this period, the aerator 31 is started, and the aerator 31 delivers gas into the main gas pipe 32, and then the gas is delivered into the first branch gas pipe 33 through the main gas pipe 32.

[0055] The gas is introduced into the gas guide disc 34 through the first branch air pipe 33, and then discharged through the aeration holes 35 on the gas guide disc 34, and the gas performs aeration operation on the sewage.

[0056] The sewage in the aeration chamber 41 and the reaction chamber 43 is respectively subjected to aeration operation.

[0057] In this embodiment, the mud pumping assembly 5 includes a mud pumping pump 51, a mud pumping main pipe 52, and mud pumping auxiliary pipes 53. The mud pumping pump 51 is fixedly installed on the top of the base 1. The output end of the mud pumping pump 51 is connected and installed with the mud pumping main pipe 52. The mud pumping main pipe 52 is connected and installed with a plurality of mud pumping auxiliary pipes 53. The mud pumping auxiliary pipes 53 extend into the collecting tank 45, and the mud pumping auxiliary pipes 53 extract the sludge in the collecting tank 45 through the suction holes at the bottom.

[0058] The mud needs to be cleaned regularly;

[0059] When the cleaning time is reached, the mud pumping pump 51 is started, and the mud pumping main pipe 52 and the mud pumping auxiliary pipes 53 complete the extraction under the action of negative pressure. Since the mud pumping auxiliary pipes 53 extend into the collecting tank 45 one by one, the mud in the collecting tank 45 can be extracted.

[0060] Embodiment three

[0061] As shown in FIGS. 1-15, on the basis of the above-mentioned embodiments, the present embodiment further provides the following contents:

[0062] In this embodiment, the material replacing assembly 71 includes a material replacing cylinder 711, a sealing cover 712, a material guide pipe 713, an input pipe one 714, an output pipe two 715, an input pipe two 716, a first electric valve 717, an output pipe one 718, a liquid pumping pipe 719, a second electric valve 7110, a circulating pump 7111, the material guide pipe 713 is installed through the support frame 11, the liquid pumping pipe 719 is installed through the support frame 11, the bottom ends of the material guide pipe 713 and the liquid pumping pipe 719 extend into the load house 9, the circulating pump 7111 is fixedly installed on the top of the support frame 11, the output pipe one 718 is connected and installed with the output end of the circulating pump 7111, the end of the output pipe two 715 is located above the collecting mesh frame 72, and the other end is in communication with the material replacing cylinder 711, the two ends of the output pipe two 715 are both equipped with the second electric valve 7110, the input end of the circulating pump 7111 is connected and installed with the input pipe one 714, and the input pipe one 714 is in communication with the material replacing cylinder 711, the input pipe two 716 is connected and installed with the input pipe one 714, and the end of the input pipe two 716 is in communication with the liquid pumping pipe 719, and the input pipe two 716 and the input pipe one 714 are both equipped with the first electric valve 717.

[0063] The material replacing assembly 71 switches the operation state according to the actual operation requirement;

[0064] First start circulating pump 7111, circulating pump 7111 negative pressure suction, at this time the first electric valve 717 on the input pipe two 716 is in the closed state; the second electric valve 7110 on the output pipe two 715 upper end is in the closed state, at that time the filler in the sewage will be connected with the sewage and be pumped out, and the filler will be collected by the collecting screen 72, and the sewage will be automatically introduced into the reaction chamber 43, realizing the extraction of the loaded filler;

[0065] When replacing, open the sealing cover 712, inject new loaded filler into the filler replacement cylinder 711, then close the filler replacement cylinder 711 again, at this time the first electric valve 717 on the input pipe one 714 is in the closed state, the second electric valve 7110 on the output pipe two 715 lower end is in the closed state, at that time the sewage can be pumped out through the liquid pump 719, and then the sewage is injected into the filler replacement cylinder 711, and the new filler is pressed and injected into the loading chamber 9 under the action of water pressure, completing the injection of new filler.

[0066] In the embodiment, the bearing assembly 81 comprises a lower plate 811, a spring 812, a supporting piece 813, a guide piece 814 and a pull rod 815, the bottom of the filtering assembly 83 is jointly assembled with the lower plate 811, the lower plate 811 is uniformly distributed with guide openings 8111, the guide openings 8111 correspond to the filtering assembly 83, the guide openings 8111 are clamped with the guide pieces 814, the pull rod 815 is installed in the guide pieces 814 in a penetrating mode, the bottom of the pull rod 815 is fixedly installed with the supporting piece 813, and the spring 812 is sleeved on the pull rod 815 between the guide piece 814 and the supporting piece 813;

[0067] The guide assembly 82 comprises an upper plate 821, an outer sleeve rod 822, an inner sleeve rod 823, a connecting plate 824 and a mud scraping plate 825, the top of the filtering assembly 83 is butt-joint installed with the upper plate 821, the top of the pull rod 815 is fixedly connected with the bottom of the upper plate 821, one side of the upper plate 821 is fixedly installed with the outer sleeve rod 822, the inner sleeve rod 823 is sleeved in the outer sleeve rod 822, the bottom of the inner sleeve rod 823 is fixedly installed with the connecting plate 824, and the connecting plate 824 is fixedly installed with a plurality of mud scraping plates 825, and the mud scraping plates 825 are in contact with the bottom surface of the reaction chamber 43.

[0068] The lower plate 811 and the upper plate 821 cooperate to complete the loading operation of the filtering assembly 83;

[0069] During the period, when the filter assembly 83 is separated, it is necessary to lift first. When rising, the download plate 811 rises synchronously with the upload plate 821. Because the area of the download plate 811 is larger than that of the upload plate 821, the positioning connector 86 on the download plate 811 will rise synchronously until the positioning connector 86 is docked with the positioning plate 87, and the positioning plate 87 is used to limit the download plate 811, but the upload plate 821 continues to rise, and the pull rod 815 will rise through the supporting piece 813 to extrude the spring 812, so as to make the spring 812 enter the compressed state, and make the filter assembly 83 separate upward. When the filter assembly 83 is misaligned, the guide 814 will be guided in the guide opening 8111, so that the lower half of the filter assembly 83 is completely exposed, waiting for the flushing operation;

[0070] When lifting, the outer sleeve rod 822 and the inner sleeve rod 823 are telescoped, avoiding interference;

[0071] When misaligned, the upload plate 821 will synchronously drive the outer sleeve rod 822 and the inner sleeve rod 823 to move, and the connecting plate 824 and the mud scraping plate 825 are synchronously moved. The mud scraping plate 825 is used to scrape the dirt on the bottom surface of the reaction chamber 43, so that the dirt is scraped into the collecting groove 45, waiting for extraction.

[0072] In the embodiment, the filter assembly 83 comprises a lower housing 831, a first ceramic filter membrane 832, a lower connector 833, an upper housing 834, a second ceramic filter membrane 835, a second water inlet 23, and an upper connector 837. The top of the download plate 811 is docked and installed with the lower housing 831, and the bottom of the lower housing 831 is docked and installed with the second water inlet 23 penetrating through the download plate 811. The top of the lower housing 831 is fixedly installed with the lower connector 833, and the lower connector 833 is docked and installed with the upper connector 837. The lower housing 831 is docked and installed with the upper housing 834 through the lower connector 833 and the upper connector 837. The upper housing 834 is installed with the second ceramic filter membrane 835. The inside of the lower housing 831 is docked and installed with the first ceramic filter membrane 832. The first ceramic filter membrane 832 and the second ceramic filter membrane 835 are in communication with each other;

[0073] The liquid guide assembly 84 comprises a clean water branch pipe 841, a clean water main pipe 842, a liquid guide square pipe 843, a sewage outlet 844, and a one-way water injection port 845. The clean water main pipe 842 is installed on the top of the upper shell 834 and penetrates the upper loading plate 821, and is in communication with the second ceramic filter membrane 835. The liquid guide square pipe 843 is installed on the top of the clean water main pipe 842. The one-way water injection port 845 is installed on the top of the liquid guide square pipe 843. The sewage outlet 844 is installed on the end surface of the liquid guide square pipe 843. The clean water branch pipe 841 is installed on one side of the upper shell 834 and penetrates the upper loading plate 821. The clean water main pipe 842 is installed on the top of the clean water branch pipe 841.

[0074] The second ceramic filter membrane 835 and the first ceramic filter membrane 832 are sleeved by the respective housings. The sewage enters the second ceramic filter membrane 835 and the first ceramic filter membrane 832 through the second water inlet 23, is filtered and purified, is dialyzed after passing through the second ceramic filter membrane 835 and the first ceramic filter membrane 832, enters the gap between the membrane and the housing, is discharged through the clean water branch pipe 841 and the clean water main pipe 842, and the clean water main pipe 842 is connected with an external water pump.

[0075] The sewage is discharged through the sewage outlet 844. The sewage outlet 844 is connected with a water pump through a pipeline. The water pump introduces the extracted sewage into the reaction chamber 43 again, so that the circulation operation is realized.

[0076] When the second ceramic filter membrane 835 and the first ceramic filter membrane 832 are separated, the lower joint 833 and the upper joint 837 are separated. When backwashing is performed, the first backwashing joint 104 and the second backwashing joint 105 are respectively in abutment with the lower shell 831 and the upper shell 834, so that the backwashing operation is realized.

[0077] The one-way water injection port 845 is a water injection port, and a one-way water inlet valve is arranged on the water injection port. When the sewage is filtered, the one-way water injection port 845 on the liquid guide square pipe 843 can only allow water to flow in one direction, and cannot discharge water.

[0078] In the embodiment, the scraping assembly 85 comprises connecting rods 851, upper connecting frames 852, lower connecting frames 853, external scraping plates 854, and internal scraping plates 855. Two groups of connecting rods 851 are fixedly installed on the bottom of the load chamber 9 and extend into the load chamber 9. The upper connecting frames 852 are fixedly installed on the connecting rods 851 outside the load chamber 9, and the end of the upper connecting frame 852 is fixedly installed with the external scraping plate 854. The external scraping plate 854 is located outside the four sides of the load chamber 9. The lower connecting frames 853 are fixedly installed on the connecting rods 851 inside the load chamber 9, and the end of the lower connecting frame 853 is connected with the internal scraping plate 855. The internal scraping plate 855 is located inside the four sides of the load chamber 9.

[0079] The connecting rods 851 extend into the load chamber 9 and perform telescopic movement with the load chamber 9. When the connecting rods 851 perform lifting movement in the load chamber 9, the upper connecting frames 852 and the lower connecting frames 853 perform synchronous movement. The upper connecting frames 852 perform movement outside the load chamber 9, and the lower connecting frames 853 perform movement inside the load chamber 9, respectively driving the external scraping plates 854 and the internal scraping plates 855 to scrape the inner and outer walls of the load chamber 9 to remove adhering substances.

[0080] In the embodiment, the backflush assembly 10 comprises a water guide main pipe 101 and a water pump 107. The water pump 107 is installed at the bottom of the storage chamber 44, and the output end of the water pump 107 is connected with the water pump 107. One end of the water guide branch pipe 102 is connected with the water guide main pipe 101 in communication, and the top of the water pump 106 is connected with the water guide main pipe 101 in communication.

[0081] During backflushing, the water pump 107 is started to lift the purified water to the water pump 106, and then the water pump 106 delivers the clean water to the water guide main pipe 101, and the water guide main pipe 101 guides the water to the sub-pipes to realize backflushing of the filter assembly 83.

[0082] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0083] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

A kind of anti-blocking self-cleaning type sewage ceramic membrane bioreactor, characterized by: The utility model provides a mud treatment device, including the base, the top fixed mounting of base has the reaction tank body, the fixed mounting of base on one side of reaction tank body has the filter mechanism, the inside of reaction tank body is provided with aeration chamber, sedimentation chamber, reaction chamber, storage room respectively, and is provided with first water guide hole between aeration chamber and sedimentation chamber, is provided with second water guide hole between sedimentation chamber and reaction chamber, the base is equipped with aeration assembly, and the operation end of aeration assembly extends to aeration chamber, reaction chamber respectively, the bottom of storage room is provided with a plurality of collecting groove, the top of base is equipped with the mud pumping assembly, and the operation end of mud pumping assembly extends to collecting groove, the top of reaction tank body is fixedly installed with support frame, the support frame is equipped with adjusting mechanism and material changing mechanism respectively, the bottom of adjusting mechanism is hoisted with reaction mechanism, the reaction chamber below reaction mechanism is fixedly installed with load room, the bottom end of material changing mechanism extends to load room, the top of reaction chamber is equipped with backflushing assembly, and the input end of backflushing assembly is arranged in storage room, The adjusting mechanism includes an electric telescopic cylinder, a mounting cavity, an n-shaped hanger, a guide seat, a lead screw, and a motor. The material changing mechanism includes a material changing assembly and a collection screen frame. The reaction mechanism includes a bearing assembly, a guide assembly, a filter assembly, a liquid guide assembly, a dirt scraping assembly, a positioning connector, and a positioning plate. The top of the support frame is fixedly installed with an electric telescopic cylinder. The output end of the electric telescopic cylinder is connected with a mounting cavity. The inside of the mounting cavity is connected with a lead screw. The side of the mounting cavity is fixedly installed with a motor. The output end of the motor is connected with the lead screw. The lead screw is sleeved with a guide seat. The bottom of the guide seat is fixedly installed with an n-shaped hanger. The bottom of the n-shaped hanger is fixedly installed with a guide assembly. The bottom of the guide assembly is connected with a bearing assembly. A plurality of filter assemblies are connected between the bearing assembly and the guide assembly. The top of the guide assembly is connected with a liquid guide assembly. The bottom of the bearing assembly is fixedly installed with a dirt scraping assembly. The dirt scraping assembly is connected with the load room. The inner wall of the reaction chamber is fixedly installed with two groups of positioning plates. The top of the guide assembly is fixedly installed with a positioning connector. The positioning connector corresponds to the positioning plates. The top of the support frame is clamped with a collection screen frame. The top of the support frame is equipped with a material changing assembly. The operation end of the material changing assembly extends to the load room. The backflushing assembly includes a water guide branch pipe, a support seat, a first flushing connector, and a second flushing connector. The top of the reaction chamber is fixedly installed with a support seat. The top of the support seat is erected with a water guide branch pipe. The bottom of the water guide branch pipe is connected with a first flushing connector and a second flushing connector. The first flushing connector is longer than the second flushing connector. The first flushing connector, the second flushing connector, and the filter assembly are connected. The refueling assembly includes a refueling cylinder, a sealing cover, a material guide pipe, an input pipe one, an output pipe two, an input pipe two, a first electric valve, an output pipe one, a liquid pumping pipe, a second electric valve, a circulating pump, the material guide pipe is installed through the support frame, the liquid pumping pipe is installed through the support frame, the bottom end of the material guide pipe and the liquid pumping pipe extends into the load room, the top of the support frame is fixedly installed with the circulating pump, the output end of the circulating pump is butt-jointed with the output pipe one, the end of the output pipe one is butt-jointed with the output pipe two, one end of the output pipe two is above the collection net frame, the other end is communicated with the refueling cylinder, the two ends of the output pipe two are equipped with the second electric valve, the input end of the circulating pump is butt-jointed with the input pipe one, the input pipe one is communicated with the refueling cylinder, the input pipe one is butt-jointed with the input pipe two, the end of the input pipe two is communicated with the liquid pumping pipe, the input pipe two and the input pipe one are equipped with the first electric valve; The filter assembly includes a lower shell, a first ceramic filter membrane, a lower butt joint, an upper shell, a second ceramic filter membrane, a second water inlet, an upper butt joint, the top of the lower plate is butt-jointed with the lower shell, the bottom of the lower shell is butt-jointed with the second water inlet penetrating through the lower plate, the top of the lower shell is fixedly installed with the lower butt joint, the lower butt joint is butt-jointed with the upper butt joint, the lower shell is butt-jointed with the upper shell through the lower butt joint and the upper butt joint, the upper shell is installed with the second ceramic filter membrane, the inside of the lower shell is butt-jointed with the first ceramic filter membrane, the first ceramic filter membrane and the second ceramic filter membrane are communicated with each other. The liquid guide assembly includes a clean water branch pipe, a clean water main pipe, a liquid guide square pipe, a sewage outlet, a one-way water inlet, the top of the upper shell is butt-jointed with the clean water main pipe penetrating through the upper plate, the clean water main pipe is communicated with the second ceramic filter membrane, the top of the clean water main pipe is jointly butt-jointed with the liquid guide square pipe, the top of the liquid guide square pipe is butt-jointed with the one-way water inlet, the end surface of the liquid guide square pipe is butt-jointed with the sewage outlet, one side of the upper shell is butt-jointed with the clean water branch pipe, the clean water branch pipe penetrates through the upper plate, the top of the clean water branch pipe is jointly butt-jointed with the clean water main pipe. The backflush assembly includes a water guide main pipe, a water pumping pipe and a water pump, the bottom of the storage chamber is installed with the water pump, the output end of the water pump is butt-jointed with the water pumping pipe, one end of the water guide branch pipe is jointly butt-jointed with the communicated water guide main pipe, and the top of the water pumping pipe is communicated with the water guide main pipe. The self-cleaning sewage ceramic membrane bioreactor according to claim 1 is characterized in that: The filter mechanism includes a filter tank body, a lifting pump, a first water inlet, a lifting pipe, a water guide disc, and a water guide inlet, the top of the base is fixedly installed with the filter tank body, the top of the filter tank body is fixedly installed with a cover plate and a filter screen plate, the top of the cover plate is butt-jointed with the first water inlet extending into the filter tank body, the bottom of the first water inlet is butt-jointed with the water guide disc, the bottom of the water guide disc is uniformly distributed with the water guide inlet, the inside of the filter tank body is fixedly installed with the filter screen plate, the bottom of the filter tank body is provided with the lifting pump, the output end of the lifting pump is butt-jointed with the lifting pipe, and the lifting pipe is communicated with the aeration chamber. The self-cleaning sewage ceramic membrane bioreactor according to claim 2, characterized in that: The aeration assembly includes an aerator, a main air pipe, a first branch air pipe, a gas guide disc, and aeration holes. The top of the base is fixedly installed with the aerator. The output end of the aerator is dockingly installed with the main air pipe, which extends above the reaction tank body. The end of the main air pipe is dockingly installed with two groups of first branch air pipes, which extend into the aeration chamber and the reaction chamber respectively. The bottom end of the first branch air pipe is dockingly installed with the gas guide disc, and the top of the gas guide disc is uniformly distributed with aeration holes. The aeration chamber and the reaction chamber are aerated through the aeration holes on the gas guide disc. The self-cleaning sewage ceramic membrane bioreactor according to claim 3, characterized in that: The mud pumping assembly includes a mud pumping pump, a mud pumping main pipe, and mud pumping auxiliary pipes. The top of the base is fixedly installed with the mud pumping pump. The output end of the mud pumping pump is dockingly installed with the mud pumping main pipe, which is dockingly installed with a plurality of mud pumping auxiliary pipes extending into the collection tank. The mud pumping auxiliary pipes pump the sludge in the collection tank through the suction holes at the bottom. The self-cleaning sewage ceramic membrane bioreactor according to claim 4, characterized in that: The adjusting mechanism further includes guide rods and a sliding part. Two groups of guide rods are installed through the support frame, and the bottom end of the guide rod is installed and connected with the installation cavity. The inside of the installation cavity is assembled with the sliding part, and the installation cavity is slidably connected with the guide base through the sliding part. The self-cleaning sewage ceramic membrane bioreactor according to claim 5, characterized in that: The bearing assembly includes a download plate, a spring, a support piece, a guide piece, and a pull rod. The bottom of the filter assembly is jointly assembled with the download plate, which is uniformly distributed with guide ports corresponding to the filter assembly. The guide ports are equipped with guide pieces, and the guide pieces are installed with pull rods. The bottom of the pull rod is fixedly installed with the support piece, and the spring is sleeved on the pull rod between the guide piece and the support piece. The guide assembly includes an upload plate, an outer sleeve rod, an inner sleeve rod, a connecting plate, and a mud scraping plate. The top of the filter assembly is dockingly installed with the upload plate. The top of the pull rod is fixedly connected with the bottom of the upload plate. The side of the upload plate is fixedly installed with the outer sleeve rod, which is sleeved with the inner sleeve rod. The bottom of the inner sleeve rod is fixedly installed with the connecting plate, which is fixedly installed with a plurality of mud scraping plates in contact with the bottom surface of the reaction chamber. The self-cleaning sewage ceramic membrane bioreactor according to claim 6, characterized in that: The dirt scraping assembly includes connecting rods, upper and lower connecting frames, external and internal dirt scraping plates. The bottom of the download plate is fixedly installed with two groups of connecting rods, which extend into the load house. The connecting rods on the outer side of the load house are fixedly installed with the upper connecting frame, and the end of the upper connecting frame is fixedly installed with the external dirt scraping plate. The external dirt scraping plate is located on the outer side of the load house. The connecting rods on the inner side of the load house are fixedly installed with the lower connecting frame, and the end of the lower connecting frame is dockingly installed with the internal dirt scraping plate. The internal dirt scraping plate is located on the inner side of the load house.

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