CN111977892A

CN111977892A - Reaction tank applied to efficient phosphorus removal and degradation product recovery in MBR system

Info

Publication number: CN111977892A
Application number: CN202010722790.XA
Authority: CN
Inventors: 李海玲; 阚迎杰; 商京颖; 张有胜; 王峻玲; 张旭; 徐盛立; 徐千惠; 张光明
Original assignee: Beijing Shuiyan Environmental Technology Co ltd
Current assignee: Beijing Shuiyan Environmental Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-11-24
Anticipated expiration: 2040-07-24
Also published as: CN111977892B

Abstract

The invention relates to the technical field of sewage treatment, in particular to a reaction tank which is applied to MBR system and can efficiently remove phosphorus and recover degradation products. According to the invention, the large-volume floating objects are intercepted by the impurity removal equipment, the pressure of membrane component purification in the MBR system is reduced, the phosphorus removal capacity is improved, the phosphorus removal bacteria in the bacteria containing rods are uniformly blown to the attachment sheets in the reaction tank by the arranged aeration equipment, so that the sewage is comprehensively subjected to phosphorus removal, degradation and precipitation, the efficient and rapid treatment of the sewage in the reaction tank is facilitated, and the degraded precipitates are completely removed by the recovery equipment at the bottom of the reaction tank.

Description

Reaction tank applied to efficient phosphorus removal and degradation product recovery in MBR system

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a reaction tank which is applied to an MBR system and has the advantages of high-efficiency phosphorus removal and degradation product recovery.

Background

The industrial phosphorus-containing wastewater and the phosphorus-containing fertilizer plant wastewater both contain a large amount of phosphorus, and in addition, the phosphorus-containing washing powder is commonly used in life, so that the domestic sewage often contains a large amount of phosphorus, and the sewage is discharged into river water to cause excessive propagation of algae, so that the water body is eutrophicated, and the water quality is deteriorated. The eutrophication of the water body not only can cause the excessive growth of algae in the water, but also can cause the rapid reduction of the oxygen content of the water body, thereby influencing the survival of aquatic organisms such as fishes. The existing MBR (membrane bioreactor) is also called as a membrane bioreactor and filters phosphorus-containing sewage through the aperture of the membrane of the MBR, the phosphorus-containing sewage is degraded through microorganisms, the filtering period is shortened due to the large filtering ratio, the maintenance and the cleaning are needed, the labor and the time are consumed, in addition, the sediment at the bottom of the reactor is often sucked through a water suction pump, and the sediment in the whole bottom surface is difficult to eradicate.

Disclosure of Invention

The invention aims to provide a reaction tank which is applied to an MBR system and can efficiently remove phosphorus and recover degradation products so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides a reaction tank which is applied to an MBR system and has high-efficiency phosphorus removal and can recover degradation products, the reaction tank comprises a reaction tank with a square box structure, impurity removal equipment is installed at one top corner of the reaction tank, the reaction tank is internally provided with phosphorus removal equipment and recovery equipment below the phosphorus removal equipment, a water inlet is formed at one side top corner of the reaction tank, the impurity removal equipment comprises a water collection tank welded on the reaction tank, the bottom of the water collection tank is of a trapezoidal platform structure and is provided with an opening at the bottom end, one side of the bottom of the water collection tank is horizontally provided with an insertion opening, an insertion plate is inserted into the insertion opening, the other side of the top end of the water collection tank is provided with a water outlet, the bottom of the water outlet is flush with the bottom of the water inlet, two inner sides of the water collection tank are symmetrically, a plurality of filter strips are welded in the filter frame at equal intervals;

an aeration device and a plurality of bacteria placing rods arranged right in front of the aeration device are arranged on the inner side of the reaction tank and close to the impurity removing device, the aeration device comprises an aerator arranged on the outer side surface of the reaction tank, an aeration main pipe connected with the aerator is arranged in the reaction tank, the aeration main pipe is horizontally arranged, a plurality of aeration branch pipes are vertically inserted at equal intervals at the bottom of the aeration main pipe, a plurality of air outlet pipe heads are arranged on one side of the aeration branch pipes facing the inner part of the reaction tank, the bacteria placing rods are arranged right in front of each aeration branch pipe, a plurality of ring sleeves corresponding to the positions of the air outlet pipe heads on the side surface of each aeration branch pipe are arranged on the bacteria placing rods, and phosphorus removing bacteria are filled in the ring sleeves;

the dephosphorization equipment comprises three-phase asynchronous motors symmetrically arranged at the top of the outer side of the reaction tank, the output shaft of the three-phase asynchronous motor is coaxially connected with a lead screw, the lead screw is embedded in the reaction tank, a guide rod is embedded at the inner side of the middle part of the reaction tank and at the same horizontal position with the lead screw, a plurality of slide blocks are sleeved on the outer side of the lead screw, one side of each slide block is attached to the inner side of the reaction tank, the side surface of the slide block far away from the three-phase asynchronous motor is provided with a threaded hole in threaded connection with the lead screw, the bottom surface of each slide block is provided with a convex column, connecting rods are sleeved on the convex columns, the connecting rods of two adjacent slide blocks are rotatably connected through pins, a plurality of hanging strips moving along with the slide blocks are arranged between the two lead screws, a plurality of hanging holes are arranged on the side surfaces of the hanging strips, a cylindrical strip is arranged at one vertical end of each attachment piece, a hanging column is connected to one vertical end of each attachment piece, a cylindrical groove spliced with the cylindrical strip is formed in the top end of each hanging column and penetrates through the outer side surface, a threaded column is arranged in the center of the top end of each hanging column, a hook is connected to the upper portion of each threaded column in a threaded mode and is in hanging fit with the hanging hole, and the hanging column located on the lower portion is in threaded connection with a concave hole in the bottom end of the hanging column located on the upper portion through the threaded column and is in fit with the concave hole;

the recovery device comprises a shovel plate which is located at the bottom of the reaction tank and slides, the shovel plate is of a cuboid structure, two long side surfaces of the shovel plate are symmetrically provided with concave cavities, a plurality of partition plates are equidistantly arranged in the concave cavities, one end of the shovel plate is welded with a connecting rod in a rhombic structure, the outer end of the connecting rod is welded with a ring sleeve, the bottom of the other side of the reaction tank is provided with a avoiding groove which is in sliding connection with the connecting rod, a sealing rubber gasket is bonded in the avoiding groove, the outer side of the avoiding groove is fixedly provided with a sealing frame, one end of the sealing frame is provided with a forward and reverse motor, the output shaft of the forward and reverse motor is coaxially connected with a rotating rod, the rotating rod is embedded in the sealing frame and is in threaded connection with the ring sleeve, the bottoms of the front end and the rear end of the reaction tank are respectively provided with a recovery platform, the interior of the, the outer port of the recovery platform is vertically inserted with a sealing plate capable of moving up and down, and the inner sides of the front end and the rear end of the reaction tank are provided with partition plates capable of moving up and down and positioned at the inner end of the recovery platform.

As a further improvement of the technical scheme, the water inlet is of a square structure, the upper surface and the lower surface of the water inlet are provided with slots, the water inlet penetrates through the outer side surface of the reaction tank, the adjusting block is inserted into the slots, the top of one end of the adjusting block is provided with a connecting hole, the outer side surface of the reaction tank is provided with a servo motor, and an output shaft of the servo motor is coaxially connected with a threaded rod and the threaded rod is in threaded connection with the connecting hole.

As a further improvement of the technical scheme, the output end of the aerator is provided with a gas pipe, the gas pipe penetrates through the reaction tank, the side surface of the middle part of the aeration main pipe is provided with a gas inlet which is tightly spliced with the gas pipe, the reaction tank is positioned on the inner side of the gas pipe, a plurality of fixed blocks are welded at equal intervals, the center of the top surface of each fixed block is provided with a jack, and the bottom of the aeration main pipe is provided with an inserting column which is spliced with the jack.

As a further improvement of the technical scheme, the top end of the bacteria placing rod is provided with a limiting rod which is of a T-shaped structure, one side of the aeration main pipe is provided with a suspension rod, the top surface of the suspension rod is provided with a plurality of square holes at the same position as the bacteria placing rod, the bacteria placing rod is connected with the square holes in an inserting mode, and one side of the two ends of the suspension rod is provided with a clamping block which is connected with the aeration main pipe in a clamping mode.

As a further improvement of the technical scheme, a through hole which is connected with the lead screw in an inserting manner is formed in one side face of the plurality of slide blocks which is not farthest away from the three-phase asynchronous motor, a clamping groove is formed in one end, facing the middle of the reaction tank, of each slide block, flat grooves are symmetrically formed in two inner sides of each clamping groove, two ends of the hanging strip are matched with the clamping grooves in a clamping manner, positioning grooves are formed in side faces of two ends of the hanging strip, and bolts are inserted into the flat grooves, corresponding to the positioning grooves, in the flat grooves.

As a further improvement of the technical scheme, the middle part of the top surface of the suspension rod is provided with a guide block which is inserted into the guide rod and can slide, the side surface of the middle part of the hanging strip is provided with a guide groove which runs through the bottom surface of the hanging strip, and the guide groove is clamped with the guide rod and can slide.

As a further improvement of the technical scheme, the attachment pieces are made of nylon materials and are of integrally formed structures, the cylindrical grooves do not penetrate through the hanging columns, threads are arranged on the inner sides of concave holes in the bottom ends of the hanging columns and the hooks, and limiting caps are sleeved on the top ends of the hanging columns.

As a further improvement of the technical scheme, a strip-shaped groove communicated with the recycling cavity is formed in the top surface of the outer end of the recycling table, the sealing plate is inserted into the strip-shaped groove, the middle of the top surface of the recycling table is located on two sides of the strip-shaped groove, the supporting frames are welded on two sides of the strip-shaped groove, a round hole with internal threads is formed in the middle of the top surface of the supporting frame, a bearing is welded in the middle of the top surface of the sealing plate, a rotary rod is tightly inserted into the top of the bearing, and the outer side surface of the rotary rod is provided with threads and is in.

As a further improvement of the technical scheme, a plurality of guide pillars are welded on the top surface of the partition plate at equal intervals, springs are sleeved on the tops of the guide pillars, a plurality of limiting rings are welded on the inner sides of the front end and the rear end of the reaction tank and at the positions, away from the bottom surface, of the partition plate, the guide pillars are spliced with the limiting rings, and the bottom ends of the springs are located on the top surfaces of the limiting rings.

As a further improvement of the technical scheme, a cam is attached to the middle of the top surface of the partition plate, a stepping motor is installed on the outer side surface of the front end and the rear end of the reaction tank, an output shaft of the stepping motor penetrates through the inside of the reaction tank and is tightly inserted and matched with the center of the top of the cam, the stroke of the cam is equal to the height of the partition plate, and the expansion amount of the spring is larger than the height of the partition plate.

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

1. this be applied to in the high-efficient dephosphorization in MBR system and can retrieve the reaction tank of degradation thing, through the edulcoration equipment that sets up in water inlet department, intercept bulky floater, reduce the pressure that membrane module purifies in the MBR system, reduce the too fast consumption of microorganism in the reaction tank for the dephosphorization ability obtains promoting.

2. This be applied to in the MBR system high-efficient dephosphorization and can retrieve the reaction tank of degradation thing, put the fungus pole through aeration equipment that sets up and its dead ahead, will put in the fungus pole the dephosphorization fungus that removes evenly blows off and scatters to the reaction tank, through the degradation function of microorganism self performance, carry out the dephosphorization to sewage and make its degradation deposit, the high-efficient rapid processing of sewage in the reaction tank of being convenient for.

3. This be applied to in the MBR system high-efficient dephosphorization and can retrieve the reaction tank of degradation thing, through placing full attachment plate in the reaction tank space for the phosphorus removing bacteria can adhere to and scatter, and then degrades the phosphorus in the sewage in the reaction tank in step, and a plurality of attachment plates can wholly expand and draw in simultaneously, thereby are convenient for concentrate the change fast.

4. In the reaction tank which is applied to the MBR system and has high-efficiency phosphorus removal and can recover the degradation products, the sediment degraded by phosphorus removal bacteria is completely removed through the reciprocating type recovery equipment arranged at the bottom of the reaction tank, and the residue of the sediment-free reaction tank is ensured.

Drawings

FIG. 1 is one of the overall structural views of embodiment 1;

FIG. 2 is a schematic view of a partial structure of a reaction cell according to example 1;

FIG. 3 is an exploded assembly view of the trash removing apparatus according to embodiment 1;

FIG. 4 is a second schematic view of the overall structure of embodiment 1;

FIG. 5 is a partial sectional view of a reaction cell of example 1;

FIG. 6 is a schematic view of the assembled structure of the aeration main pipe and the aeration branch pipe in example 1;

FIG. 7 is a schematic view of the structure of a suspension bar of embodiment 1;

FIG. 8 is a schematic view of the structure of a mushroom stem of example 1;

FIG. 9 is a schematic view of the phosphorus removal apparatus of example 1 in an expanded state;

FIG. 10 is a schematic view of a phosphorus removal apparatus of example 1 in a furled state;

FIG. 11 is a schematic view showing a plurality of slider assembling structures according to embodiment 1;

FIG. 12 is a schematic view showing an assembly structure of a plurality of adhesion sheets according to embodiment 1;

FIG. 13 is a schematic view of the structure of the hanging strip of embodiment 1;

FIG. 14 is a schematic view of the structure of the adhesive sheet of example 1;

FIG. 15 is an exploded assembly view of the suspension post according to embodiment 1;

FIG. 16 is a third schematic view showing the overall structure of the embodiment 1;

FIG. 17 is a view showing a construction of an assembling position of the recovering device in embodiment 1;

fig. 18 is a schematic view of a shovel plate structure of embodiment 1;

FIG. 19 is a schematic view showing an internal structure of a sealing frame in accordance with embodiment 1;

FIG. 20 is a schematic structural view of the closure plate of example 1;

fig. 21 is a schematic view of an assembling structure of a partition plate and a cam of embodiment 1.

The various reference numbers in the figures mean:

100. a reaction tank; 101. a water inlet; 102. a slot; 103. an adjusting block; 104. connecting holes; 105. a servo motor; 106. a fixed block; 1060. a jack; 107. a guide bar;

110. impurity removal equipment; 111. a water collection tank; 1110. a water outlet; 1111. a socket; 112. inserting plates; 113. a fixing strip; 114. a filter frame; 1140. a filter strip; 115. pipe sleeve;

120. an aeration device; 121. an aerator; 1210. a gas delivery pipe; 122. an aeration main pipe; 1220. an air inlet; 123. inserting a column; 124. carrying out aeration pipe division; 1240. an air outlet pipe head;

130. placing a bacteria stalk; 1300. a circular ring sleeve; 1301. a limiting rod; 131. removing phosphorus bacteria; 132. a suspension rod; 1320. a square hole; 1321. a clamping block; 1322. a guide block;

140. a recovery stage; 141. a recovery chamber; 142. a strip-shaped groove; 143. closing the plate; 144. a bearing; 145. rotating the rod; 146. a support frame;

150. a partition panel; 151. a guide post; 152. a spring; 153. a cam; 154. a stepping motor; 155. a limiting ring;

160. an avoidance groove; 161. sealing the rubber gasket;

200. phosphorus removal equipment;

210. a three-phase asynchronous motor; 211. a screw rod; 212. a slider; 2120. a threaded hole; 2121. a through hole; 2122. a card slot; 2123. a convex column; 2124. a connecting rod; 2125. a flat groove;

220. hanging the strips; 2201. hanging holes; 2202. a guide groove; 2203. positioning a groove;

230. an attachment sheet; 2300. a cylindrical bar; 231. hanging a column; 2310. a cylindrical groove; 2311. a threaded post; 2312. hooking; 2313. a limiting cap;

300. a recovery device;

310. a shovel plate; 311. a concave cavity; 312. a partition plate; 313. a connecting rod; 314. sleeving a ring;

320. a positive and negative rotation motor; 321. rotating the rod; 322. and (7) sealing the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 3, the reaction tank for removing phosphorus efficiently and recovering degradation products in an MBR system according to the present invention includes a reaction tank 100 having a square box structure, and an impurity removing device 110 is installed at a corner of a top end of the reaction tank 100, and is used for treating large-volume strip impurities in sewage first, so as to facilitate efficient phosphorus removal in the reaction tank. The inside of the reaction tank 100 is provided with a dephosphorization apparatus 200 and a recovery apparatus 300 under the dephosphorization apparatus 200. A water inlet 101 is formed in a corner of the top end of one side face of the reaction tank 100, and the impurity removing equipment 110 comprises a water collecting tank 111 welded on the reaction tank 100 and used for collecting sewage flowing into the reaction tank 100 firstly. The bottom of water collection tank 111 is trapezoidal platform structure and bottom opening, and socket 1111 has been seted up to water collection tank 111's bottom side level, and the inside grafting of socket 1111 has picture peg 112, pulls out picture peg 112 alright with the precipitate release in the water collection tank 111. A water outlet 1110 is formed in the other side surface of the top end of the water collecting tank 111, and the bottom of the water outlet 1110 is flush with the bottom of the water inlet 101, so that the sewage fully accumulated in the water collecting tank 111 can smoothly flow into the reaction tank 100. The two inner sides of the water collecting tank 111 are symmetrically welded with strip-shaped fixing strips 113, and a filter frame 114 is arranged above the fixing strips 113, so that the filter frame 114 can be conveniently disassembled and assembled, and sundries on the filter frame can be conveniently removed. The filter frame 114 has a plurality of filter strips 1140 welded therein at equal intervals for blocking large-volume long-strip impurities, so that the impurities are automatically wound on the filter strips 1140 when sewage in the water collection tank 111 overflows into the reaction tank 100. A pipe sleeve 115 is welded on one side of the water collecting tank 111, which is away from the water outlet 1110, and is located below the filtering frame 114, and the pipe sleeve 115 is communicated with the inside of the water collecting tank 111 and is used for sleeving a sewage pipe, so that sewage is pumped into the water collecting tank 111 to be primarily purified.

Furthermore, the water inlet 101 is of a square structure, the upper surface and the lower surface of the water inlet 101 are provided with slots 102, the water inlet 101 penetrates through the outer side surface which is perpendicular to and adjacent to the reaction tank 100, and the adjusting block 103 is inserted into the slots 102 and used for sealing the water inlet 101 to adjust the water inflow. The top of one end of the adjusting block 103 is provided with a connecting hole 104, the inner side of the connecting hole 104 is provided with a thread, the outer side surface of the reaction tank 100 is provided with a servo motor 105, an output shaft of the servo motor 105 is coaxially connected with a threaded rod, the threaded rod is in threaded connection with the connecting hole 104, the servo motor 105 is the conventional technology, details are omitted in the invention, and an encoder is used in cooperation with the servo motor 105 for receiving and transmitting a forward and reverse rotation working instruction to drive the threaded rod connected with the output shaft to rotate forward and reverse, so that the adjusting block 103 is driven to reciprocate in the water inlet 101 to move linearly, the size of the water inlet 101 is changed, and.

When the sewage is preliminarily cleaned, the sewage pipe is sleeved on the pipe sleeve 115, the sewage is pumped into the water collecting tank 111 through the water suction pump at the other end of the sewage pipe, the sewage slowly rises until the sewage overflows the filter frame 114 and enters the reaction tank 100 from the water outlet 1110 and the water inlet 101, meanwhile, the strip-shaped impurities in the sewage automatically wind on the filter strips 1140 when the sewage overflows the reaction tank 100, and are then blocked and collected, and the filter frame 114 is directly taken out to clean the strip-shaped impurities after every certain time.

As shown in FIGS. 4 to 8, an aeration device 120 and a plurality of bacteria-placing rods 130 installed right in front of the aeration device 120 are installed inside the reaction tank 100 and near the impurity removing device 110. The aeration device 120 includes an aerator 121 installed on the outer side of the reaction tank 100, which is a conventional technology and is not described in detail in the present invention, and is used for blowing air into the reaction tank 100 to sufficiently mix the sewage with microorganisms, thereby facilitating the sewage to be completely purified through microbial degradation. The internally mounted of reaction tank 100 has the aeration house steward 122 of being connected with aeration machine 121, and aeration house steward 122 is the level and places and the bottom is vertical equidistant closely peg graft and has a plurality of aeration branch pipes 124, and aeration branch pipe 124 is equipped with a plurality of outlet pipe heads 1240 towards inside one side of reaction tank 100, divides pipe 124 and outlet pipe head 1240 to lead gas to each place in the reaction tank 100 through the aeration, and then makes sewage and microorganism intensive mixing. The right front of each aeration branch pipe 124 is provided with a bacteria placing rod 130, the bacteria placing rod 130 is provided with a plurality of circular ring sleeves 1300 corresponding to the positions of a plurality of air outlet pipe heads 1240 on the side surface of the aeration branch pipe 124, the inside of the circular ring sleeves 1300 is filled with phosphorus removing bacteria 131, the phosphorus removing bacteria 131 are bacteria, and can suck phosphorus in sewage into the body in an excessive manner in an aerobic state, so that the phosphorus content in the body exceeds the phosphorus content in the general bacteria by a plurality of times, and the sewage is degraded by precipitation. Because the circular sleeve 1300 is positioned right in front of the air outlet pipe head 1240, after the aerator 121 is electrified to work, the gas is dispersed into the reaction tank 100 through the aeration main pipe 122 and the aeration branch pipe 124, and then the phosphorus removing bacteria 131 are dispersed into the reaction tank 100 and fully mixed with the sewage, so that the comprehensive and efficient phosphorus removing effect is achieved.

In this embodiment, the main aeration pipe 122 and the branch aeration pipe 124 are both made of PP material and have a hollow tubular shape, and the bacteria-containing rod 130 is also made of PP material and has an integrally formed structure, which is corrosion-resistant, hard in strength and durable.

Further, the output end of the aerator 121 is provided with a gas pipe 1210, the gas pipe 1210 penetrates into the reaction tank 100, and the side surface of the middle part of the aeration main pipe 122 is provided with a gas inlet 1220 closely inserted with the gas pipe 1210, so that gas exposed by the aerator 121 is transmitted into the aeration main pipe 122. The reaction tank 100 is located on the inner side of the gas transmission pipe 1210 and welded with a plurality of fixing blocks 106 at equal intervals, the center of the top surface of each fixing block 106 is provided with a jack 1060, the bottom of the aeration main pipe 122 is provided with an inserting column 123 inserted into the jack 1060, and the structure is convenient for the disassembly and the assembly and the stabilization of the aeration main pipe 122.

In order to add the phosphorus removing bacteria 131 to the bacteria placing rod 130, the top end of the bacteria placing rod 130 is provided with a limiting rod 1301 in a T-shaped structure, one side of the aeration main pipe 122 is provided with a suspension rod 132, the top surface of the suspension rod 132 and the same position as the bacteria placing rod 130 are provided with a plurality of square holes 1320, the bacteria placing rod 130 is inserted into the square holes 1320, the top size of the limiting rod 1301 is larger than the size of the square holes 1320, a limiting structure is formed, the bacteria placing rod 130 is hung on the suspension rod 132, and the phosphorus removing bacteria 131 can be conveniently taken out and added at any time. The suspending rod 132 is provided with a clamping block 1321 at one side of both ends thereof for clamping with the aeration main pipe 122, and a guiding block 1322 inserted and sliding with the guiding rod 107 is provided at the middle of the top surface of the suspending rod 132, so that the suspending rod 132 is fixed above the reaction tank 100 for suspending the bacteria placing rod 130.

When the sewage is dephosphorized, firstly, the annular sleeve 1300 for placing the bacteria rods 130 is filled with the phosphorus removing bacteria 131, then the bacteria rods 130 are inserted into the square holes 1320 of the suspension rods 132 to be stably suspended, at the moment, the power supply of the aerator 121 is connected to enable the aeration machine to work and aerate, the aerated air is conveyed into the aeration main pipe 122 through the air conveying pipe 1210 and then conveyed into the aeration branch pipes 124 and is discharged from the air outlet pipe heads 1240, and the discharged air blows the phosphorus removing bacteria 131 in the annular sleeve 1300 into the reaction tank 100 to be fully mixed with the sewage due to the fact that the annular sleeve 1300 is positioned right in front of the air outlet pipe heads 1240, and therefore the comprehensive and efficient dephosphorization effect is achieved.

As shown in fig. 9 to 15, the phosphorus removal apparatus 200 includes a three-phase asynchronous motor 210 symmetrically installed at the top of the outside of the reaction tank 100, and the three-phase asynchronous motor 210 is disposed opposite to the aerator 121. The output shaft of the three-phase asynchronous motor 210 is coaxially connected with a screw rod 211, the screw rod 211 is embedded in the reaction tank 100 and can rotate, a forward and reverse rotation switch is arranged on one side of the three-phase asynchronous motor 210 in a matched mode, the forward and reverse rotation switch and the three-phase asynchronous motor 210 are connected through a conducting wire to form a forward and reverse rotation control circuit, the forward and reverse rotation switch and the three-phase asynchronous motor 210 are conventional technologies in the prior art, and details are not. The principle of forward and reverse rotation of the three-phase asynchronous motor 210 is to change any two phases of the phase sequence of the power supply, usually, the V phase is unchanged, and the U phase is changed with the W phase. The guide rod 107 is embedded in the middle inner side of the reaction tank 100 and at the same horizontal position with the screw rod 211, the plurality of sliding blocks 212 are sleeved on the outer side of the screw rod 211, one side of each sliding block 212 is attached to the inner side of the reaction tank 100, and therefore the sliding blocks 212 are guaranteed to be limited by the inner side of the reaction tank 100 and do not rotate, and can only slide on the screw rod 211 along the central axial direction of the screw rod. The side of the sliding block 212 far away from the three-phase asynchronous motor 210 is provided with a threaded hole 2120 in threaded connection with the screw 211, and when the screw 211 rotates, the sliding block 212 can be driven to move. The bottom surface of the slider 212 is provided with a convex pillar 2123, the convex pillar 2123 is sleeved with a connecting rod 2124, and the outer side of the bottom end of the convex pillar 2123 is provided with a thread and the thread is connected with a nut, so that the connecting rod 2124 is ensured not to slip. The connecting rods 2124 of two adjacent sliding blocks 212 are rotatably connected through a pin, and then each sliding block 212 is connected into a whole through the connecting rod 2124, when the sliding block 212 far away from the three-phase asynchronous motor 210 is driven by the screw rod 211 to move, the connecting rod 2124 is spread in a transmission manner, finally, after the sliding block 212 far away from the three-phase asynchronous motor 210 is moved to the other end of the screw rod 211, the rest sliding blocks 212 are driven to be uniformly dispersed, and when the screw rod 211 rotates, the sliding blocks 212 can be driven to be folded. A plurality of hanging strips 220 moving along with the sliding blocks 212 are arranged between the two screw rods 211, a plurality of hanging holes 2201 are formed in the side surfaces of the hanging strips 220 at equal intervals in a straight line mode, a plurality of rows of attachment pieces 230 are arranged below the hanging strips 220, attachment is favorably provided for phosphorus removing bacteria 131, and each attachment piece 230 can remove phosphorus from sewage in the surrounding area. The vertical one end of adhesion sheet 230 is equipped with cylinder strip 2300, and the vertical one end of a plurality of adhesion sheets 230 is connected with hangs post 231, hangs the top of post 231 and runs through the lateral surface and sets up the cylinder groove 2310 with cylinder strip 2300 grafting for adhesion sheet 230 dismouting is convenient. Hang the top center of post 231 and be equipped with screw thread post 2311, screw thread post 2311's top threaded connection has couple 2312, couple 2312 articulates the cooperation with hanging hole 2201, the string post 231 that is located the below passes through screw thread post 2311 and the cooperation of hanging post 231 bottom shrinkage pool threaded connection who is located the top, this connected mode is convenient for vertical a plurality of rows of attachment pieces 230 of superposing, until its overall height is close to the height of reaction tank 100, thereby it can both attach on the early attachment piece 230 to do benefit to the phosphorus removing fungus 131 in the reaction tank 100, and then comprehensively carry out the dephosphorization to the sewage in the reaction tank 100, reach the effect of high-efficient purification.

In this embodiment, the adhesion sheet 230 adopts the PP material to make square thin slice, and cylinder strip 2300, spacing cap 2313 and couple 2312 all adopt the PP material to make, and this material is corrosion-resistant and toughness is good is difficult for breaking, does benefit to the adhesion of phosphorus removing fungus 131, and then long-term and comprehensive reach dephosphorization purifying effect to sewage in the reaction tank 100.

Furthermore, one side surface of the plurality of sliding blocks 212 which is not farthest from the three-phase asynchronous motor 210 is provided with a through hole 2121 inserted into the screw 211, so that the sliding blocks 212 can slide on the screw 211. The slider 212 has seted up draw-in groove 2122 towards the one end at reaction tank 100 middle part, flat groove 2125 has been seted up to the two inboard symmetries of draw-in groove 2122, the both ends and the draw-in groove 2122 joint cooperation of hanging strip 220, constant head tank 2203 has been seted up to the both ends side of hanging strip 220, flat groove 2125 corresponds and the inside bolt that has all pegged graft with the position of constant head tank 2203, this bolt and flat groove 2125 and constant head tank 2203's size looks adaptation, thereby make hanging strip 220 stabilize between a pair of slider 212, expand and drive in a plurality of attachment pieces 230 of its below evenly distribute the reaction tank 100 along with the aversion of slider 212, make the adnexed phosphorus removal fungus 131 on the attachment piece 230 comprehensive dephosphorization purify.

Further, the middle side of the hanging strip 220 is provided with a guide groove 2202 penetrating through the bottom surface of the hanging strip, the guide groove 2202 is connected with the guide rod 107 in a clamping mode and can slide, and the guide rod 107 can support the middle of the hanging strip 220 due to the large span of the hanging strip 220.

In addition, the cylindrical groove 2310 does not penetrate through the hanging post 231, so that the attachment piece 230 is prevented from slipping downwards. Hang post 231 and couple 2312's bottom shrinkage pool inboard all is equipped with the screw thread, the threaded connection of being convenient for. The top end of the hanging post 231 is sleeved with a limiting cap 2313 for limiting the upward displacement of the attachment piece 230.

When the dephosphorization apparatus 200 is used, firstly, the plurality of attaching plates 230 are inserted into one hanging column 231 for fixation, the limit cap 2313 is sleeved on the top end of the attaching plates 230 to ensure that the attaching plates 230 are stable and do not slip, then, a hook 2312 is connected with the threaded column 2311 of the hanging column 231 into a whole in a threaded manner, then, the hanging column 231 and the plurality of attaching plates 230 are continuously assembled into an integral structure according to the operation, and the integral structure is connected to the hanging column 231 with the hook 2312 in a threaded manner, so that the integral structure is connected downwards until the height of the integral structure formed by the plurality of hanging columns 231 is close to the height of the reaction tank 100, then, the plurality of hanging columns 231 can be hung on one hanging hole 2201 of the hanging strip 220 through the hook 2312, then, the plurality of hanging columns 231 are assembled into an integral structure according to the operation and are hung on each hanging strip 220, at the moment, the forward rotation switch of the three-phase asynchronous motor 210 is switched on to electrify the lead screw 211 to drive the, because the connecting rod 2124 is rotatably connected with each sliding block 212, the displacement of the farthest sliding block 212 drives the connecting rod 2124 to expand in a transmission manner, so that the rest sliding blocks 212 are driven to be uniformly dispersed, i.e., a plurality of rows of attachment pieces 230 on the hanging strip 220 are fully distributed in the reaction tank 100 and further contact with sewage comprehensively, so that the phosphorus-removing bacteria 131 are attached to the attachment pieces 230 for removing phosphorus, when the reversing switch of the three-phase asynchronous motor 210 is switched on, the lead screw 211 can be driven to rotate, and then the plurality of sliding blocks 212 are driven to be folded, thereby facilitating the concentrated replacement of the attachment pieces 230.

As shown in fig. 16 to 21, the recycling apparatus 300 includes a shovel plate 310 sliding on the bottom of the reaction tank 100, and the length of the shovel plate 310 is equal to the inner width of the reaction tank 100, so as to completely remove the deposited degradation products accumulated on the bottom surface thereof. Shovel board 310 is cuboid structure and two long-side face symmetries and has seted up cavity 311, and the inside equidistant of cavity 311 is equipped with a plurality of baffles 312, and this structure does benefit to shovel board 310 when sliding, and the sediment degradation thing is shoveled in the dispersion, avoids the sediment to pile up at shovel board 310's certain section, and is difficult for being shoveled the outside of reaction tank 100. Connecting rod 313 that is the rhombus structure is welded to shovel board 310's one end, ring cover 314 is welded to connecting rod 313's outer end, the inboard of ring cover 314 is equipped with the screw thread, be convenient for threaded connection, reaction tank 100 other side bottom seted up with connecting rod 313 sliding connection's dodge groove 160, the inside bonding of dodging groove 160 has sealed cushion 161, sealed cushion 161 adopts rubber to make cuboid structure and horizontal middle level and sets up the crack, be convenient for connecting rod 313 to pass and slide, because connecting rod 313's self structure, it is wrapping up connecting rod 313 to enable sealed cushion 161 seamless, guarantee connecting rod 313 when slideing, can not leave the gap, make sealed cushion 161 play the effect that blocks the precipitate and ooze. The sealing frame 322 is welded on the outer side of the avoiding groove 160, so that the internal sealing performance of the reaction tank 100 is ensured. The forward and reverse rotation motor 320 is installed at one end of the sealing frame 322, which is a conventional technology in the prior art and is not described in detail in the present invention, and the forward and reverse rotation motor works through a matched forward and reverse rotation switch controller. The output shaft coaxial coupling of positive and negative rotation motor 320 has dwang 321, and the lateral surface of dwang 321 is equipped with the screw thread, and the dwang 321 inlays the inside of locating sealed frame 322 and with ring cover 314 threaded connection, and the dwang 321 is equipped with the sealing washer of rubber material with sealed frame 322 department of running through cover, avoids taking place the seepage. The front and back both ends bottom of reaction tank 100 all is provided with recovery platform 140, recovery platform 140 is overall structure with reaction tank 100, recovery chamber 141 that is linked together with reaction tank 100 inside is seted up to the inside of recovery platform 140, the width of retrieving chamber 141 is greater than the width of shovel board 310, both length and height equal in addition, shovel board 310 can slide in the inside of retrieving chamber 141, so that push the sediment degradation thing and deposit in retrieving chamber 141 temporarily, in order to treat follow-up whole drawing out. The vertical grafting of recovery platform 140's outer port has shrouding 143 that can reciprocate, and the front and back end inboard of reaction tank 100 just is located recovery platform 140 inner end department and is provided with partition panel 150 that can reciprocate, pushes recovery chamber 141 back in with the sediment degradation thing at shovel board 310, keeps apart recovery chamber 140 through closing shrouding 143 and partition panel 150, opens shrouding 143 again alright draw out the sediment degradation thing in retrieving chamber 141, avoids the sewage outflow in the reaction tank 100.

Further, the outer end top surface department of retrieving platform 140 offers the bar groove 142 that is linked together with retrieving chamber 141, shrouding 143 is pegged graft with bar groove 142, the top surface middle part of retrieving platform 140 and the both sides welding that is located bar groove 142 have support frame 146, support frame 146 is the type of falling concave character structure for the iron set welding, the round hole of taking the internal screw thread is offered at the top surface middle part of support frame 146, the welding of top surface middle part of shrouding 143 has bearing 144, bearing 144's top is closely pegged graft and is had swing arm 145, make swing arm 145 freely rotate, the lateral surface of swing arm 145 be equipped with the screw thread and with support frame 146's round hole threaded connection, make it do spiral elevating movement in the round hole through rotatory swing arm 145, drive shrouding 143 and reciprocate simultaneously, carry out the shutoff.

Further, the equidistant welding of partition panel 150's top surface has a plurality of guide pillars 151, the top cover of guide pillar 151 is equipped with spring 152, the front and back end inboard of reaction tank 100 and have a plurality of spacing rings 155 from the welding of the high department of partition panel 150 in its bottom surface, guide pillar 151 is pegged graft with spacing ring 155, the bottom of spring 152 is located the top surface of spacing ring 155, the top size of guide pillar 151 is greater than the external diameter of spring 152, thereby restrict spring 152 between guide pillar 151 and spacing ring 155, elasticity through spring 152 can promote partition panel 150, make recovery chamber 141 communicate with each other with reaction tank 100 is inside, so that shovel plate 310 pushes away the sediment degradation thing bottom reaction tank 100 to recovery chamber 141.

In addition, the cam 153 is attached to the middle of the top surface of the partition plate 150, the stepping motor 154 is installed on the outer side surface of the front end and the rear end of the reaction cell 100, the stepping motor 154 is a motor that converts an electrical pulse signal into a corresponding angular displacement or linear displacement, the rotor rotates by one angle or advances by one step when a pulse signal is input, and further, the rotation of the cam 153 can be set to 180 degrees every time, and the stepping motor 154 is the conventional technology, and is not described in detail in the present invention. The output shaft of the stepping motor 154 penetrates through the interior of the reaction cell 100 and is in close insertion fit with the top center of the cam 153, the stroke of the cam 153 is equal to the height of the partition plate 150, the stroke of the cam 153 is the distance of the cam 153 rotating for a circle and moving along with a follower in contact with the cam 153, in the structure, the partition plate 150 moves downwards, the expansion amount of the spring 152 is greater than the height of the partition plate 150, after the cam 153 rotates 180 degrees, the partition plate 150 is pushed to the bottom surface of the reaction cell 100 to be attached, at the moment, the spring 152 is in a compressed state, and after the cam 153 rotates 180 degrees again, the partition plate 150 is pushed to the top surface of the recovery cavity 141 under the effect of the resilience force of the spring 152, so that the recovery cavity 141 is communicated with the interior of the reaction cell 100.

When the above-mentioned precipitation degradation product is recovered, the forward rotation switch of the forward and reverse rotation motor 320 is switched on to make it work, and further the rotating rod 321 is driven to rotate forward, so that the ring sleeve 314 makes linear motion along with the rotation of the rotating rod 321, and drives the shovel plate 310 to move towards the front end of the reaction tank 100, because the length of the shovel plate 310 is equal to the inner width of the reaction tank 100, the shovel plate 310 is limited, i.e. it will not rotate in the moving process, the shovel plate 310 pushes the precipitation degradation product at the bottom of the reaction tank 100 into the recovery cavity 141, then the power supply of the stepping motor 154 is switched on to make it work, and further the cam 153 is driven to rotate 180 degrees, so that the protruding part of the cam 153 presses the partition plate 150 down to the bottom surface of the reaction tank 100, so that the recovery cavity 141 is temporarily closed, then the closing plate 143 is driven to rise by rotating the rotating rod 145, so that the outer port of the recovery cavity 141 is communicated with, after a period of time, the reversing switch of the forward and reverse rotating switch 320 is turned on to operate, and then the rotating rod 321 is driven to rotate reversely to drive the shovel plate 310 to move towards the rear end of the reaction tank 100, so that the precipitated degradation product at the bottom of the shovel plate is pushed into the recovery cavity 141 at the rear end of the shovel plate, and the partition plate 150 at the rear end of the shovel plate is firstly closed, and then the sealing plate 143 at the rear end of the shovel plate is opened, so that the precipitated degradation product in the recovery cavity 141 is fished out.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Be applied to high-efficient dephosphorization in MBR system and can retrieve the reaction tank of degradation product, including reaction tank (100) that are square box structure, its characterized in that: impurity removing equipment (110) is installed to a top corner of reaction tank (100), the internally mounted of reaction tank (100) has recovery plant (300) of the below of dephosphorization equipment (200) and its dephosphorization equipment (200), water inlet (101) have been seted up to a side top corner of reaction tank (100), impurity removing equipment (110) including weld in header tank (111) on reaction tank (100), the bottom of header tank (111) is trapezoidal platform structure and bottom opening, socket (1111) have been seted up to a bottom side level of header tank (111), the inside grafting of socket (1111) has picture peg (112), outlet (1110) have been seted up to the top another side of header tank (111), the bottom of outlet (1110) with the bottom of water inlet (101) flushes, the two inboard symmetrical welding of header tank (111) has fixed strip (113) that are rectangular shape, a filter frame (114) is arranged above the fixed strips (113), and a plurality of filter strips (1140) are welded in the filter frame (114) at equal intervals;

an aeration device (120) and a plurality of bacteria-placing rods (130) arranged right in front of the aeration device (120) are arranged at the inner side of the reaction tank (100) and close to the impurity-removing device (110), the aeration device (120) comprises an aerator (121) arranged on the outer side surface of the reaction tank (100), an aeration main pipe (122) connected with the aerator (121) is arranged in the reaction tank (100), the aeration main pipe (122) is horizontally arranged, a plurality of aeration branch pipes (124) are vertically inserted at equal intervals at the bottom of the aeration main pipe (122), a plurality of air outlet pipe heads (1240) are arranged on one side of the aeration branch pipes (124) facing the inner part of the reaction tank (100), a bacteria-placing rod (130) is arranged right in front of each aeration branch pipe (124), a plurality of circular sleeves (1300) corresponding to the positions of the plurality of air outlet pipe heads (1240) on the side surface of each aeration branch pipe (124) are arranged on the bacteria-placing rods (130), the interior of the circular ring sleeve (1300) is filled with phosphorus removing bacteria (131);

the dephosphorization apparatus (200) comprises three-phase asynchronous motors (210) symmetrically installed at the top of the outer side of the reaction tank (100), the output shafts of the three-phase asynchronous motors (210) are coaxially connected with lead screws (211), the lead screws (211) are embedded in the reaction tank (100), guide rods (107) are embedded in the inner side of the middle of the reaction tank (100) and at the same horizontal position with the lead screws (211), a plurality of sliding blocks (212) are sleeved on the outer side of the lead screws (211), one side of each sliding block (212) is attached to the inner side of the reaction tank (100), wherein the side surface of each sliding block (212) far away from the three-phase asynchronous motors (210) is provided with a threaded hole (2120) in threaded connection with the lead screws (211), the bottom surface of each sliding block (212) is provided with a convex column (2123), each convex column (2123) is sleeved with a connecting rod (2124), and the connecting rods (2124) of two adjacent sliding blocks (212) are rotatably, a plurality of hanging strips (220) moving along with the sliding block (212) are arranged between the two screw rods (211), a plurality of hanging holes (2201) are linearly and equidistantly arranged on the side surface of the hanging bar (220), a plurality of rows of attachment sheets (230) are arranged below the hanging strip (220), a cylindrical strip (2300) is arranged at the vertical end of each attachment sheet (230), hanging columns (231) are connected with the vertical ends of the attachment sheets (230), a cylindrical groove (2310) spliced with the cylindrical strip (2300) is formed at the top end of the hanging column (231) and penetrates through the outer side surface, a threaded column (2311) is arranged in the center of the top end of the hanging column (231), a hook (2312) is connected with the upper part of the threaded column (2311) in a threaded manner, the hook (2312) is in hanging fit with the hanging hole (2201), and the hanging column (231) located below is in threaded connection with a concave hole at the bottom end of the hanging column (231) located above through a threaded column (2311) to be in threaded fit;

the recycling equipment (300) comprises a shovel plate (310) which is located at the bottom of the reaction tank (100) and slides, wherein the shovel plate (310) is of a cuboid structure, the two long side surfaces of the shovel plate are symmetrical, a cavity (311) is formed in the cavity (311), a plurality of partition plates (312) are arranged at equal intervals in the cavity (311), one end of the shovel plate (310) is welded with a connecting rod (313) which is of a diamond structure, the outer end of the connecting rod (313) is welded with a ring sleeve (314), the bottom of the other side of the reaction tank (100) is provided with a avoiding groove (160) which is connected with the connecting rod (313) in a sliding manner, the inner part of the avoiding groove (160) is bonded with a sealing rubber gasket (161), the outer side of the avoiding groove (160) is fixed with a sealing frame (322), a forward and reverse motor (320) is installed at one end of the sealing frame (322), dwang (321) inlay to be located the inside of sealing frame (322) and with ring cover (314) threaded connection, both ends bottom all is provided with recovery platform (140) around reaction tank (100), the inside of recovery platform (140) seted up with recovery chamber (141) that reaction tank (100) inside is linked together, the vertical grafting of outer port of recovery platform (140) has shrouding (143) that can reciprocate, the front and back end inboard of reaction tank (100) just is located recovery platform (140) inner end department is provided with partition panel (150) that can reciprocate.

2. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: the water inlet (101) are of a square structure, a slot (102) is formed in the upper surface and the lower surface of the water inlet, the water inlet (101) penetrates through the outer side surface of the reaction tank (100), an adjusting block (103) is inserted into the slot (102), a connecting hole (104) is formed in the top of one end of the adjusting block (103), a servo motor (105) is installed on the outer side surface of the reaction tank (100), and a threaded rod are coaxially connected to an output shaft of the servo motor (105) and are in threaded connection with the connecting hole (104).

3. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: air pipe (1210) are installed to the output of aeration machine (121), air pipe (1210) run through to the inside of reaction tank (100), the middle part side of aeration house steward (122) seted up with air inlet (1220) that air pipe (1210) closely pegged graft, reaction tank (100) are located a plurality of fixed blocks (106) of the inboard equidistant welding of air pipe (1210), jack (1060) have been seted up at the top surface center of fixed block (106), the bottom of aeration house steward (122) be equipped with plug post (123) of jack (1060) grafting.

4. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: put the top of fungus pole (130) and be equipped with gag lever post (1301) that T type structure, one side of aeration house steward (122) is provided with suspension pole (132), the top surface of suspension pole (132) and with put fungus pole (130) with the same position department and seted up a plurality of square holes (1320), put fungus pole (130) with square hole (1320) grafting, both ends one side of suspension pole (132) be equipped with fixture block (1321) of aeration house steward (122) joint.

5. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: the screw rod type three-phase asynchronous motor comprises a plurality of sliding blocks (212) which are not farthest from the three-phase asynchronous motor (210), wherein one side face of each sliding block (212) is provided with a through hole (2121) which is connected with the screw rod (211) in an inserting mode, one end, facing the middle portion of the reaction tank (100), of each sliding block (212) is provided with a clamping groove (2122), two inner sides of each clamping groove (2122) are symmetrically provided with flat grooves (2125), two ends of a hanging strip (220) are in clamping fit with the clamping grooves (2122), side faces of two ends of the hanging strip (220) are provided with positioning grooves (2203), and the flat grooves (2125) correspond to the positioning grooves (2203) in position and.

6. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 4, wherein: the top surface middle part of suspension pole (132) be equipped with guide bar (107) are pegged graft and slidable guide block (1322), the middle part side of hanging strip (220) is seted up and is run through guide way (2202) of its bottom surface, guide way (2202) with guide bar (107) joint and slidable.

7. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: the attachment piece (230) is made of a nylon material and is of an integrally formed structure, the cylindrical groove (2310) does not penetrate through the hanging column (231), threads are arranged on the inner sides of concave holes in the bottom ends of the hanging column (231) and the hook (2312), and a limiting cap (2313) is sleeved on the top end of the hanging column (231).

8. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: the recycling device is characterized in that a strip-shaped groove (142) communicated with the recycling cavity (141) is formed in the top surface of the outer end of the recycling table (140), the sealing plate (143) is connected with the strip-shaped groove (142) in an inserting mode, the middle of the top surface of the recycling table (140) is located, two sides of the strip-shaped groove (142) are welded with the supporting frame (146), a round hole with internal threads is formed in the middle of the top surface of the supporting frame (146), a bearing (144) is welded in the middle of the top surface of the sealing plate (143), a rotary rod (145) is tightly connected above the bearing (144) in an inserting mode, and threads are arranged on the outer side face of the rotary rod (145) and connected with.

9. The reaction tank applied to MBR system for removing phosphorus efficiently and recovering degradation products in accordance with claim 1, wherein: the top surface equidistant welding of partition panel (150) has a plurality of guide pillars (151), the top cover of guide pillar (151) is equipped with spring (152), the front and back end inboard of reaction tank (100) just has one from its bottom surface the high department welding of partition panel (150) has a plurality of spacing rings (155), guide pillar (151) with spacing ring (155) are pegged graft, the bottom of spring (152) is located the top surface of spacing ring (155).

10. The reactor tank applied to MBR system for removing phosphorus efficiently and recovering degradation products of claim 9, wherein: the laminating of the top surface middle part of partition panel (150) has cam (153), step motor (154) are installed to the front and back end lateral surface of reaction cell (100), the output shaft of step motor (154) run through to the inside of reaction cell (100) and with the cooperation of closely pegging graft in the top center of cam (153), the stroke of cam (153) with the height of partition panel (150) equals, the flexible volume of spring (152) is greater than the height of partition panel (150).