CN110980937B

CN110980937B - Exhaust type biofilm reactor

Info

Publication number: CN110980937B
Application number: CN201911287198.5A
Authority: CN
Inventors: 言红红; 郑言; 郑勇生
Original assignee: Zhejiang Yongxu Environmental Engineering Co ltd
Current assignee: Zhejiang Yongxu Environmental Engineering Co ltd
Priority date: 2019-12-14
Filing date: 2019-12-14
Publication date: 2022-03-15
Anticipated expiration: 2039-12-14
Also published as: CN110980937A

Abstract

The invention discloses an exhaust type biofilm reactor, which relates to the field of sewage treatment and comprises a reactor main body, wherein the outer walls of the lower end and the upper end of the reactor main body are respectively provided with a water inlet and a water outlet; a switch plate is arranged in the exhaust pipe, a switch hole is formed in the switch plate, a sealing plate located below the switch plate is arranged in the exhaust pipe, and the sealing plate is used for covering the switch hole; the equal level in both sides of switch board is provided with the bracing piece, is equipped with the slider on the bracing piece, and the inner wall of blast pipe is vertical to be provided with the spout that supplies the slider to slide, and the lower terminal surface of closing plate is vertical to be provided with the float rod, is equipped with the kicking block on the float rod. The invention has the following advantages and effects: through setting up the blast pipe of automatic opening and closing, realize the timely emission and the independent emission of marsh gas, through the cooperation of outlet, realize marsh gas and water's independent emission simultaneously, reduced the work burden of outlet, improved the drainage efficiency of outlet simultaneously, improved the treatment effeciency of sewage promptly.

Description

Exhaust type biofilm reactor

Technical Field

The invention relates to the field of sewage treatment, in particular to an exhaust type biofilm reactor.

Background

The biofilm reactor is a membrane-like reaction device which is added with various fillers in a reactor so that microorganisms can be attached and grown, and a layer of biological composition is formed on the fillers, and is often used in a sewage sludge treatment system.

Chinese patent CN204999686U discloses a biofilm aeration reactor, which comprises a reactor, wherein the inside of the reactor is divided into two areas by a partition board, the lower part is a first biological reaction area filled with a first-level microbial filler, the upper part is a second biological reaction area filled with a second-level microbial filler, and the two microbial fillers can both select aerobic microorganisms and can also select one of the aerobic microorganisms and the other anaerobic microorganism.

When one of the two microbial fillers is selected to be aerobic microbe and the other is selected to be anaerobic microbe, the reactor has the characteristic of facultative type. But when the sewage passes through the anaerobic microorganisms, it is decomposed by the anaerobic microorganisms and biogas is generated. Then, the biogas is discharged along the water outlet along with the treated sewage, so that the workload of the water outlet is increased, the drainage efficiency of the water outlet is affected, and the treatment efficiency of the sewage is reduced and needs to be improved.

Disclosure of Invention

The invention aims to provide an exhaust type biofilm reactor which has the effect of improving the sewage treatment efficiency.

The technical purpose of the invention is realized by the following technical scheme: an exhaust type biofilm reactor comprises a reactor main body, wherein the outer wall of the lower end and the outer wall of the upper end of the reactor main body are respectively provided with a water inlet and a water outlet, and the upper end surface of the reactor main body is provided with an exhaust pipe communicated with the interior of the reactor main body; a switch plate is arranged in the exhaust pipe, a switch hole penetrates through the middle part of the switch plate, a sealing plate located below the switch plate is arranged in the exhaust pipe, and the sealing plate is used for covering the switch hole; the both sides of switch board are all horizontally provided with the bracing piece, the bracing piece deviates from the one end of switch board is provided with the slider, the inner wall of blast pipe is vertical to be provided with the confession the spout that the slider slided, the lower terminal surface of closing plate is vertical to be provided with the float rod, the lower extreme of float rod is provided with the kicking block.

Through adopting above-mentioned technical scheme, when using above-mentioned reactor, in letting in sewage along the water inlet in the reactor main part, sewage will be discharged along the outlet after handling afterwards. Meanwhile, along with the continuous increase of the methane in the reactor main body, the liquid level at the upper end of the reactor main body gradually drops, at the moment, the floating block drives the floating rod to move downwards, and the floating rod drives the sealing plate to synchronously move downwards. At the moment, the sealing plate is separated from the switch plate, the opening control of the switch hole is realized at the same time, and then the methane can be automatically discharged along the switch hole. After the methane is emptied, the liquid level at the upper end of the reactor main body gradually rises, at the moment, the liquid level drives the floating block and the floating rod to move upwards, and the floating rod drives the sealing plate to move upwards synchronously. And after the sealing plate abuts against the switch plate, the switch plate covers the switch hole, so that the switch hole is closed and controlled. And then the steps are repeated, so that the automatic discharge of the biogas is realized. Therefore, the automatic opening and closing exhaust pipe is arranged, so that the methane can be timely discharged and independently discharged, the methane and the water can be independently discharged through the cooperation of the water outlet, the work load of the water outlet is reduced, the drainage efficiency of the water outlet is improved, and the sewage treatment efficiency is improved.

The invention is further provided with: a first hollow stuffing box is arranged in the reactor main body and used for containing aerobic microbial fillers, a sliding hole is arranged above the first stuffing box and penetrates through the reactor main body, and a second hollow stuffing box is horizontally connected in the sliding hole in a sliding manner; a partition plate is arranged in the middle of the second stuffing box and divides the second stuffing box into an aerobic microorganism stuffing area and an anaerobic microorganism stuffing area, and the aerobic microorganism stuffing area and the anaerobic microorganism stuffing area are alternately slipped to the position right below the first stuffing box; the two ends of the second stuffing box are respectively provided with a baffle which is used for abutting against the outer side wall of the reactor main body, and the two sides of the reactor main body are respectively and rotatably connected with a pressing plate which is used for pressing the outer wall of the baffle.

By adopting the technical scheme, when the reactor needs to be switched into an aerobic form, the pressing plate is driven to rotate until the pressing plate is separated from the baffle, and the second stuffing box is unlocked. Then the second stuffing box is driven to slide along the inner wall of the sliding hole until the aerobic microbial stuffing area is positioned above the first stuffing box, the pressing plate close to the aerobic microbial stuffing area is rotated, the outer wall of the baffle is pressed by the pressing plate, the fixation of the second stuffing box is realized, and the switching of aerobic forms is realized. When the packing box needs to be switched to the facultative shape, the pressing plate is driven to be separated from the baffle, and then the second packing box is driven to reversely slide along the inner wall of the sliding hole. When the anaerobic microorganism packing area is located above the first packing box, the pressing plate close to the anaerobic microorganism packing area is rotated, the outer wall of the baffle is pressed by the pressing plate, the second packing box is fixed, and the facultative anaerobic form is switched. Consequently through the setting contain the second stuffing box in aerobic microorganism filler district and anaerobic microorganism filler district, realize the change that aerobic microorganism packed and anaerobic microorganism packed, later through with the cooperation of the interior aerobic microorganism filler of first stuffing box, realize the quick adjustment and the switching of aerobic form and facultative form to the suitability of reactor has been improved.

The invention is further provided with: the inner wall of baffle is provided with the round sealing ring, the sealing ring is located the outward flange position of baffle, and the outer wall of reactor main part is provided with the confession the seal groove of sealing ring embedding.

Through adopting above-mentioned technical scheme, through the cooperation that sets up sealing ring and seal groove, realize the ladder between baffle and the reactor main part sealed to avoid appearing the phenomenon of leaking.

The invention is further provided with: and a filter screen positioned below the first stuffing box is arranged in the reactor main body.

Through adopting above-mentioned technical scheme, through setting up the filter screen, carry out preliminary damming and filtration to sewage, intercept the stone in the sewage and the impurity of big granule, reduce the work burden of first stuffing box and second stuffing box, also improved muddy water mixture's treatment effeciency simultaneously.

The invention is further provided with: the baffle is provided with a material port for communicating the aerobic microorganism packing area with the anaerobic microorganism packing area, and the baffle is provided with a material door for covering the material port.

Through adopting above-mentioned technical scheme, when the filler in the aerobic microorganism filler district or the anaerobic microorganism filler district that needs to be changed, open the bin gate, then take out the back with the filler that needs to be changed, pack into the aerobic microorganism filler district or the anaerobic microorganism filler district along the material mouth with new filler again in, close the bin gate again and fix the back, can realize the quick replacement of filler.

The invention is further provided with: the two ends of the second stuffing box are arranged in an opening shape, and the baffle covers the two ends of the second stuffing box; the inner wall of baffle is vertical to be provided with a pair of dovetail piece, and is a pair of the dovetail piece distribute in the both sides of baffle, the both ends of second stuffing box all are provided with the confession recess, the intercommunication of dovetail piece embedding the recess lower extreme just supplies the dovetail of dovetail piece embedding that slides.

Through adopting above-mentioned technical scheme, when the filler in needs clearance aerobic microorganism filler district and anaerobic microorganism filler district, drive baffle upward movement, the baffle drives the dovetail piece and upwards slides along the dovetail inner wall is synchronous this moment. When moving to the recess in, pulling baffle outwards motion is realized to the swallow-tail piece, can carry out quick clearance to the filler in aerobic microorganism filler district and the anaerobic microorganism filler district afterwards. Consequently through setting up the baffle that can dismantle and conveniently dismantle for the clearance process of packing is lighter convenient in aerobic microorganism filler district and the anaerobism filler district.

The invention is further provided with: the scraper plates are arranged on two sides of the partition plate, the periphery of each scraper plate abuts against the inner wall of the periphery of the second stuffing box, pull ropes are arranged in the middle of one side, away from each other, of each scraper plate, hooks are arranged on the pull ropes, and lock rings for the hooks to hook tightly are arranged on the baffle plates.

Through adopting above-mentioned technical scheme, when the filler in good oxygen microorganism filler district or the anaerobism microorganism filler district is cleared up to needs, take off the baffle earlier, then take off the back with the couple from the catch of baffle inner wall, the pulling stay cord drives the scraper blade and outwards moves. At the moment, the filler can be scraped out by utilizing the scraper, so that the filler is quickly removed.

The invention is further provided with: one side that the scraper blade is close to each other all is provided with a plurality of dead levers, the both sides of baffle all are provided with the confession the fixed orifices that the dead lever was pegged graft, be provided with the fixed block on the dead lever, be provided with the confession on the baffle the fixed slot of fixed block embedding.

Through adopting above-mentioned technical scheme, when the installation scraper blade, the drive scraper blade is close to the baffle, and the dead lever on the scraper blade is pegged graft the fixed orifices on the baffle gradually this moment. When the scraper blade contradicts the baffle, dead lever and fixed block imbed the fixed orifices completely, in the fixed block spring out and imbed the fixed slot afterwards, realize the fixed of scraper blade to the stability in use of increase scraper blade.

The invention is further provided with: the outer edge positions of the pair of scrapers are bent in directions away from each other and form blades.

Through adopting above-mentioned technical scheme, through setting up the cutting edge, the increase is packed the power of striking off of district inner wall to aerobic microorganisms and anaerobic microorganisms, realizes thoroughly cleaing away of packing.

In conclusion, the invention has the following beneficial effects:

1. the automatic opening and closing exhaust pipe is arranged, so that the timely discharge and the independent discharge of the methane are realized, and simultaneously, the independent discharge of the methane and the water is realized through the matching of the water outlet, the work load of the water outlet is reduced, the water discharge efficiency of the water outlet is improved, and the sewage treatment efficiency is improved;

2. the aerobic microorganism packing and the anaerobic microorganism packing are replaced by arranging the second packing box containing the aerobic microorganism packing area and the anaerobic microorganism packing area, and meanwhile, the aerobic form and the facultative form are quickly adjusted and switched by matching with the aerobic microorganism packing in the first packing box, so that the applicability of the reactor is improved;

3. the baffle which is detachable and convenient to detach is arranged, so that the cleaning process of the filler in the aerobic microorganism filler area and the anaerobic microorganism filler area is easier and more convenient;

4. the scrapers are additionally arranged on the two sides of the partition plate, so that the fillers in the aerobic microorganism filler area or the anaerobic microorganism filler area are scraped out at one time by the scrapers, and the fillers are removed quickly.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the internal structure of a reactor main body of example 1;

FIG. 3 is a schematic structural view of an exhaust pipe according to embodiment 1;

fig. 4 is a schematic view of the internal structure of a second stuffing box of embodiment 1;

FIG. 5 is a schematic view showing the connection relationship between a second stuffing box and a baffle of example 1;

FIG. 6 is a schematic structural view of a baffle plate of embodiment 1;

fig. 7 is a partial enlarged view at a in fig. 4;

FIG. 8 is a schematic structural view of embodiment 2.

Reference numerals: 1. a reactor body; 11. a water inlet; 12. a water outlet; 13. a slag discharge port; 14. an exhaust pipe; 141. a switch plate; 142. a switch hole; 143. a sealing plate; 144. a support bar; 145. a slider; 146. a chute; 147. a float rod; 148. floating blocks; 15. a slide hole; 16. a sealing groove; 17. a compression plate; 2. filtering with a screen; 3. a first stuffing box; 4. a second stuffing box; 41. a partition plate; 42. an aerobic microbial fill zone; 43. an anaerobic microbial packing zone; 44. a groove; 45. a dovetail groove; 46. a fixing hole; 47. fixing grooves; 5. a baffle plate; 51. a seal ring; 52. a material port; 53. a material door; 54. a dovetail block; 55. a locking ring; 6. a squeegee; 61. a blade; 62. pulling a rope; 63. hooking; 64. fixing the rod; 65. a fixed block; 7. a housing; 71. a feeding end; 72. and a discharge end.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 1 and 2, an exhaust type biofilm reactor includes a reactor main body 1, and a water inlet 11 and a water outlet 12 are respectively formed on the outer wall of the lower end and the outer wall of the upper end of the reactor main body 1. The lower end surface of the reactor main body 1 is provided with a slag discharge port 13, and the upper end surface is communicated with an exhaust pipe 14 which can be automatically opened and closed.

As shown in fig. 1 and 2, a filter screen 2, a hollowed first stuffing box 3 and a hollowed second stuffing box 4 are sequentially arranged in the reactor body 1 from bottom to top. The first stuffing box 3 is used for containing aerobic microorganism stuffing, and the second stuffing box 4 is used for containing aerobic microorganism stuffing or anaerobic microorganism stuffing.

When the reactor is used, the operation mode of the reactor body 1 is switched as required. When the aerobic state is required to be switched, aerobic microorganism fillers are contained in the second stuffing box 4; when the anaerobic state is required to be switched to the facultative state, the anaerobic microorganism packing is filled in the second stuffing box 4.

After the working form of reactor switches over, let in sewage along water inlet 11 in reactor main part 1, sewage passes through filter screen 2, first stuffing box 3 and second stuffing box 4 in proper order afterwards. The generated biogas is discharged along the exhaust pipe 14 which is automatically opened and closed, the treated sewage is discharged along the water discharge port 12, and finally the slag is discharged along the slag discharge port 13, so that the sewage treatment is realized.

As shown in fig. 2 and 3, a switch plate 141 is provided in the exhaust pipe 14, a switch hole 142 is provided through the middle of the switch plate 141, a sealing plate 143 below the switch plate 141 is provided in the exhaust pipe 14, and the sealing plate 143 covers the switch hole 142.

As shown in fig. 2 and 3, support rods 144 are horizontally arranged on both sides of the sealing plate 143, a sliding block 145 is arranged at one end of each support rod 144 away from the sealing plate 143, and a sliding groove 146 for the sliding block 145 to slide is vertically arranged on the inner wall of the exhaust pipe 14. The lower end surface of the sealing plate 143 is also vertically provided with a floating rod 147, and the lower end of the floating rod 147 is provided with a floating block 148.

When the reactor works, along with the increasing of the methane in the reactor main body 1, the liquid level at the upper end of the reactor main body 1 gradually drops. At this time, the floating block 148 drives the floating rod 147 to move downward, and the floating rod 147 drives the sealing plate 143 to move downward synchronously. Meanwhile, the sealing plate 143 is gradually separated from the switch plate 141, and the opening control of the switch hole 142 is realized, and then the biogas can be automatically discharged along the switch hole 142.

When the biogas is emptied, the liquid level at the upper end of the reactor body 1 gradually rises, at this time, the liquid level drives the floating block 148 and the floating rod 147 to move upward, and the floating rod 147 drives the sealing plate 143 to move upward synchronously. Until the sealing plate 143 abuts against the switch plate 141, the switch plate 141 covers the switch hole 142, and the closing control of the switch hole 142 is realized. The process is repeated, and the automatic discharge of the biogas is realized.

As shown in fig. 2 and 4, a slide hole 15 is formed in the reactor body 1 above the first stuffing box 3, and the second stuffing box 4 is horizontally slidably connected to the slide hole 15. A partition plate 41 is provided in the middle of the second stuffing box 4, and the partition plate 41 partitions the second stuffing box 4 into an aerobic microorganism stuffing zone 42 and an anaerobic microorganism stuffing zone 43. And aerobic and

anaerobic packing zones

42 and 43 are adapted to slide alternately to just below first stuffing box 3.

As shown in fig. 2 and 4, the second stuffing box 4 is provided with baffles 5 at both ends, and the baffles 5 are used for abutting against the outer side wall of the reactor main body 1. The inner wall of the baffle 5 is provided with a ring of sealing rings 51, and the sealing rings 51 are positioned at the outer edge of the baffle 5. The outer wall of the reactor body 1 is provided with a sealing groove 16 in which the sealing ring 51 is inserted, and both sides of the reactor body 1 are rotatably connected with pressure plates 17 for pressing the outer wall of the baffle 5.

When the reactor needs to be switched to an aerobic state, the pressing plate 17 is driven to rotate until the pressing plate 17 is separated from the baffle 5, and then the second stuffing box 4 is unlocked. Then, the second stuffing box 4 is driven to slide along the inner wall of the sliding hole 15 until the aerobic microbial stuffing area 42 is positioned above the first stuffing box 3, the pressing plate 17 close to the aerobic microbial stuffing area 42 is rotated, the outer wall of the baffle 5 is pressed by the pressing plate 17, and the fixation of the second stuffing box 4 is realized, namely the switching of aerobic forms is realized.

When the state needs to be switched to the facultative shape, the pressing plate 17 is driven to be separated from the baffle plate 5, and then the second stuffing box 4 is driven to reversely slide along the inner wall of the sliding hole 15. When the anaerobic microorganism packing area 43 is located above the first packing box 3, the pressing plate 17 close to the anaerobic microorganism packing area 43 is rotated, the pressing plate 17 presses the outer wall of the baffle 5, the second packing box 4 is fixed, and the facultative anaerobic form is switched.

As shown in fig. 4 and 5, both ends of the second stuffing box 4 are provided in an open shape, and the baffle 5 covers both ends of the second stuffing box 4. The baffle 5 is provided with a material port 52 communicating the aerobic microorganism packing area 42 and the anaerobic microorganism packing area 43, and the baffle 5 is provided with a material door 53 for covering the material port 52.

As shown in fig. 5 and 6, a pair of dovetail blocks 54 is vertically arranged on the inner wall of the baffle 5, and the pair of dovetail blocks 54 are distributed on both sides of the baffle 5. Both ends of the second stuffing box 4 are provided with a groove 44 for embedding the dovetail block 54 and a dovetail groove 45 which is communicated with the lower end of the groove 44 and is used for embedding the dovetail block 54 in a sliding way.

When the filler in the aerobic microorganism filler area 42 or the anaerobic microorganism filler area 43 needs to be replaced, the baffle 5 is driven to move upwards, and the baffle 5 drives the dovetail block 54 to synchronously slide upwards along the inner wall of the dovetail groove 45. When the dovetail block 54 moves into the groove 44, the baffle 5 is pulled to move outwards, so that the baffle 5 is disassembled, and then the fillers in the aerobic microorganism filling area 42 and the anaerobic microorganism filling area 43 can be quickly cleaned.

After the filler is cleaned, the charging door 53 is opened, and then the filler to be replaced is filled into the aerobic microorganism filling area 42 or the anaerobic microorganism filling area 43. And after the filler is filled, the material door 53 is closed and fixed, so that the filler can be quickly replaced.

As shown in fig. 4, scrapers 6 are provided on both sides of the partition plate 41, the peripheries of the scrapers 6 abut against the peripheral inner wall of the second stuffing box 4, and the outer edge positions of the pair of scrapers 6 are bent toward directions away from each other and form blades 61. The middle parts of the sides of the pair of scraping plates 6, which are far away from each other, are provided with pull ropes 62, the pull ropes 62 are provided with hooks 63, and the baffle plate 5 is provided with lock rings 55 for the hooks 63 to hook tightly.

As shown in fig. 4 and 7, a plurality of fixing rods 64 are disposed on the adjacent sides of the pair of scrapers 6, fixing holes 46 for the fixing rods 64 to be inserted are disposed on both sides of the partition plate 41, fixing blocks 65 are disposed on the fixing rods 64, and fixing grooves 47 for the fixing blocks 65 to be inserted are disposed on the partition plate 41.

When the filler in the aerobic microorganism filler zone 42 or the anaerobic microorganism filler zone 43 needs to be cleaned, the baffle 5 is firstly taken down. Then, the hook 63 is removed from the lock ring 55 on the inner wall of the baffle 5, and the pulling rope 62 is pulled to drive the scraper 6 and the blade 61 to move outwards. At the moment, the filler can be scraped out at one time by utilizing the scraper 6 and the blade 61, so that the filler is quickly removed.

After the filler is cleaned, the scraper 6 is driven to approach the partition plate 41, and at this time, the fixing rod 64 and the fixing block 65 on the scraper 6 are gradually inserted into the fixing hole 46 on the partition plate 41 and slide along the inner wall of the fixing hole 46. Until the scraping plate 6 abuts against the partition plate 41, the fixing rod 64 and the fixing block 65 are completely embedded into the fixing hole 46, and then the fixing block 65 is bounced off and embedded into the fixing groove 47, so that the scraping plate 6 is fixed. Finally, the hook 63 is hooked on the lock ring 55 on the baffle 5, and then the baffle 5 is installed and fixed.

The working principle is as follows: when the reactor is used, the reactor body 1 is switched to the aerobic form or the facultative form according to actual needs. Then, sewage is introduced into the reactor body 1 along the water inlet 11, and then the sewage sequentially passes through the filter screen 2, the first stuffing box 3 and the second stuffing box 4. At the same time, the generated biogas is discharged along the automatically opened and closed exhaust pipe 14, and the treated sewage is discharged along the drain port 12. And finally, discharging the slag materials along the slag discharging port 13, thus realizing the treatment of sewage.

Example 2: referring to FIG. 8, a biofilm reactor is different from the biofilm reactor of example 1 in that the biofilm reactor comprises a housing 7, a feed end 71 is arranged at the upper end of the housing 7, a discharge end 72 is arranged at the lower end of the housing 7, a reactor body 1 (not shown) is positioned in the housing 7, the feed end 71 is communicated with a water inlet pipe 11, and the discharge end 72 is communicated with a water outlet pipe 12.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an exhaust type biofilm reactor, includes reactor main part (1), the lower extreme outer wall and the upper end outer wall of reactor main part (1) are provided with water inlet (11) and outlet (12) respectively, its characterized in that: an exhaust pipe (14) communicated with the interior of the reactor main body (1) is arranged on the upper end face of the reactor main body;

a switch plate (141) is arranged in the exhaust pipe (14), a switch hole (142) penetrates through the middle of the switch plate (141), a sealing plate (143) located below the switch plate (141) is arranged in the exhaust pipe (14), and the sealing plate (143) is used for covering the switch hole (142);

supporting rods (144) are horizontally arranged on two sides of the sealing plate (143), a sliding block (145) is arranged at one end, away from the sealing plate (143), of each supporting rod (144), a sliding groove (146) for the sliding block (145) to slide is vertically arranged on the inner wall of the exhaust pipe (14), a floating rod (147) is vertically arranged on the lower end face of the sealing plate (143), and a floating block (148) is arranged at the lower end of the floating rod (147);

a first hollowed-out stuffing box (3) is arranged in the reactor main body (1), the first stuffing box (3) is used for containing aerobic microbial fillers, a sliding hole (15) positioned above the first stuffing box (3) penetrates through the reactor main body (1), and a second hollowed-out stuffing box (4) is connected to the sliding hole (15) in a horizontal sliding manner;

a partition plate (41) is arranged in the middle of the second stuffing box (4), the second stuffing box (4) is divided into an aerobic microorganism stuffing area (42) and an anaerobic microorganism stuffing area (43) by the partition plate (41), and the aerobic microorganism stuffing area (42) and the anaerobic microorganism stuffing area (43) are used for alternately sliding to the position right above the first stuffing box (3);

both ends of the second stuffing box (4) are provided with baffle plates (5), the baffle plates (5) are used for abutting against the outer side wall of the reactor main body (1), and both sides of the reactor main body (1) are rotatably connected with compression plates (17) used for compressing the outer wall of the baffle plates (5).

2. An exhaust bio film reactor according to claim 1, wherein: the inner wall of baffle (5) is provided with round sealing ring (51), sealing ring (51) are located the outward flange position of baffle (5), and the outer wall of reactor body (1) is provided with the confession sealing groove (16) of sealing ring (51) embedding.

3. An exhaust bio film reactor according to claim 1, wherein: and a filter screen (2) positioned below the first stuffing box (3) is arranged in the reactor main body (1).

4. An exhaust bio film reactor according to claim 1, wherein: the anaerobic microorganism anaerobic filter is characterized in that a material opening (52) communicated with the aerobic microorganism packing area (42) and the anaerobic microorganism packing area (43) is formed in the baffle plate (5), and a material door (53) used for covering the material opening (52) is formed in the baffle plate (5).

5. An exhaust bio film reactor according to claim 4, wherein: the two ends of the second stuffing box (4) are arranged in an opening shape, and the baffle plates (5) cover the two ends of the second stuffing box (4);

the inner wall of baffle (5) is vertical to be provided with a pair of dovetail block (54), and is a pair of dovetail block (54) distribute in the both sides of baffle (5), the both ends of second stuffing box (4) all are provided with the confession recess (44), the intercommunication of dovetail block (54) embedding recess (44) lower extreme and confession dovetail block (45) that dovetail block (54) slided the embedding.

6. An exhaust bio film reactor according to claim 5, wherein: scrapers (6) are arranged on two sides of the partition plate (41), the peripheries of the scrapers (6) abut against the peripheral inner walls of the second stuffing boxes (4), pull ropes (62) are arranged in the middle of one side, away from each other, of each scraper (6), hooks (63) are arranged on the pull ropes (62), and locking rings (55) for the hooks (63) to hook tightly are arranged on the baffle plates (5).

7. An exhaust bio film reactor according to claim 6, wherein: one side that scraper blade (6) are close to each other all is provided with a plurality of dead levers (64), the both sides of baffle (41) all are provided with the confession dead lever (64) fixed orifices (46) of pegging graft, be provided with fixed block (65) on dead lever (64), be provided with on baffle (41) and supply fixed block (47) of fixed block (65) embedding.

8. An exhaust bio film reactor according to claim 6, wherein: the outer edge positions of the pair of scrapers (6) are bent in directions away from each other to form blades (61).