CN209178027U - A kind of air-flotation type sewage-treatment plant - Google Patents

Abstract

The utility model relates to the technical fields of sewage treatment auxiliary equipment, save manpower without manually clearing up the dross of the water surface more particularly to a kind of air-flotation type sewage-treatment plant, improve use reliability；And it can prevent the foul smell in sewage from polluting to working environment and surrounding enviroment, improve practicability；Including foul water tank, clear water tanks and communicating pipe, foul water tank is internally provided with working chamber, and the bottom of working chamber is provided with aeration tube, the top of aeration tube is provided with and communicated with multiple groups aeration spray head, it further include aerator, water inlet pipe, intake pump, drainpipe, drain valve, motor, lead screw, two groups of gag lever posts, fixed plate, four groups of traction ropes, kickboard, multiple groups counterweight ring, take out pulp pump, ball bearing, multiple groups screw rod, dreg collecting slot, flapper, treatment box, it is connected to air hose, left clapboard, right clapboard, incubator and exhaust pipe, the inside of left incubator is equipped with Active biological filler, and aerobe group is provided in Active biological filler.

Description

A kind of air-flotation type sewage-treatment plant

Technical field

The utility model relates to the technical fields of sewage treatment auxiliary equipment, more particularly to a kind of air-flotation type sewage treatment Device.

Background technique

It is well known that in water supply and drainage and sewage treatment process, solid and liquid separation technology and its relevant equipment one are to being One of key project, for specific gravity close to water fine suspended matter removal, air bearing is one of effective method, and air-flotation type is dirty Water treatment facilities be it is a kind of made on the suspended matter in sewage bubbles through the water column by pneumatically supported mode, to be filtered to sewage Auxiliary device is widely used in a variety of applications in the field of sewage treatment and environmental protection；Existing air-flotation type sewage treatment Device includes foul water tank, clear water tanks and communicating pipe, and foul water tank is internally provided with working chamber, and is provided in the bottom of working chamber Aeration tube, the top of aeration tube are provided with and communicated with multiple groups aeration spray head, and the left end of foul water tank is provided with aerator, aerator Output end stretch in placed cavity and be connected to aeration tube, the left end of foul water tank is provided with water inlet pipe, and sets at water inlet pipe It is equipped with intake pump, the top of foul water tank is provided with opening, and one end of communicating pipe stretches to working chamber from the middle part of the right end of foul water tank Interior, the other end of communicating pipe is connected to clear water tanks, and the right end bottom of clear water tanks is provided with drainpipe, and is provided at drainpipe Drain valve；For existing air-flotation type sewage-treatment plant in use, sewage is directed into working chamber from water inlet pipe, aerator will Gas is passed through in aeration tube and sprays in multiple groups aeration spray head, so that the suspended impurity in sewage is swum in the water surface by minute bubbles On, then by manually skimming the dross on the water surface, the water purification in foul water tank is entered in clear water tanks by communicating pipe is deposited It puts, needs to carry out the water in clear water tanks to export the water in clear water tanks from drainpipe in use, opening drain valve；It is existing It finds in some air-flotation type sewage-treatment plant uses, by manually clearing up the dross of the water surface, needs every one section Time just carries out a skimming, labor intensive, when the impurity especially in sewage is more, with greater need for worker frequently to dross It is cleared up, causes practicality andreliabiliry lower；And often contain stink odor in sewage, foul smell overflows in aeration acceleration sewage Out, the environment on working environment and periphery is polluted, causes practicability lower.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of without manually clearing up the dross of the water surface, section Human-saving improves use reliability；And it can prevent the foul smell in sewage from polluting to working environment and surrounding enviroment, Improve the air-flotation type sewage-treatment plant of practicability.

A kind of air-flotation type sewage-treatment plant of the utility model, including foul water tank, clear water tanks and communicating pipe, foul water tank It is internally provided with working chamber, and the bottom of working chamber is provided with aeration tube, the top of aeration tube is provided with and communicated with multiple groups aeration Spray head, the left end of foul water tank are provided with aerator, and the output end of aerator is stretched in placed cavity and is connected to aeration tube, The left end of foul water tank is provided with water inlet pipe, and intake pump is provided at water inlet pipe, the right end of one end of communicating pipe from foul water tank Middle part stretches in working chamber, and the other end of communicating pipe is connected to clear water tanks, and the right end bottom of clear water tanks is provided with drainpipe, and Drain valve is provided at drainpipe；It further include motor, lead screw, two groups of gag lever posts, fixed plate, four groups of traction ropes, kickboard, multiple groups Counterweight ring and pumping pulp pump, the motor are mounted on the right end of foul water tank, are provided with mounting groove at the top of the left side wall of the working chamber, And ball bearing is fixedly installed in mounting groove, the fixed plate front-end and back-end are provided with the limit hole of left and right perforation, The threaded hole of left and right perforation is provided in the middle part of fixed plate, the left end of two groups of gag lever posts is respectively and at the top of working chamber left side wall Front-end and back-end connection, the left end of the right end self-retaining plate of two groups of gag lever posts be each passed through two groups of limit holes and respectively with work Front-end and back-end connection at the top of chamber right side wall, the right end spiral shell of the left end self-retaining plate of the lead screw are filled across threaded hole and are inserted into To ball bearing, the right end of lead screw is driven from working chamber across the right side wall of foul water tank and with the left side output end of motor Connection, the top of four groups of traction ropes are connect with the front left side of fixed plate bottom end, forward right side, left rear side and right lateral side respectively, The bottom end of four groups of traction ropes is connect with the front left side on kickboard top, forward right side, left rear side and right lateral side respectively, the bottom of the kickboard End is provided with multiple groups screw rod, and the top of the multiple groups screw rod is welded and fixed with the bottom end of kickboard, on the multiple groups counterweight ring It is provided with screw hole up and down, multiple groups counterweight ring is connected through a screw thread with multiple groups screw rod respectively, and the top of kickboard is provided with collection Slag chute, the left end of the dreg collecting slot and right end are provided with multiple groups slag inlet, and are provided with active catch at multiple groups slag inlet Plate, the input terminal for taking out pulp pump are provided with dreg-drawing pipe, and the input terminal of the dreg-drawing pipe is connected to dreg collecting slot；It further include treatment box Be connected to air hose, the treatment box is mounted on the top of clear water tanks, and in the placed cavity that is internally provided with for the treatment of box, and is placing Intracavitary to be provided with left clapboard, right clapboard, incubator and exhaust pipe, the left clapboard and right clapboard are mounted vertically in placed cavity respectively Left and right side, and left clapboard is provided with the venthole of multiple groups or so perforation, the left end of the incubator is from left clapboard Right end is provided with opening, the right end and right clapboard of incubator in the left end of incubator across left clapboard to the left side of left clapboard Left end connection, the inside of incubator is equipped with Active biological filler, and aerobe group is provided in Active biological filler, trains The side wall for supporting case is provided with multiple groups venthole, and the left end of the exhaust pipe passes through right clapboard and incubator from the right end of right clapboard Right side wall stretches to inside incubator, and the right end of exhaust pipe is from placed cavity across the outer of the right side wall for the treatment of box to placed cavity Portion.

A kind of air-flotation type sewage-treatment plant of the utility model further includes spray pump and multiple groups spray tube, the multiple groups Spray tube is respectively positioned in placed cavity, and multiple groups spray tube is the top with incubator, the input terminal self-cleaning water tank of spray pump Right end stretch to inside clear water tanks, the output end of spray pump is stretched in placed cavity from the top for the treatment of box and is sprayed with multiple groups Pipe is connected to.

A kind of air-flotation type sewage-treatment plant of the utility model, the top of the multiple groups flapper with dreg collecting slot Inner sidewall is connected by a hinge, and the size of flapper is greater than the size of slag inlet.

A kind of air-flotation type sewage-treatment plant of the utility model, further includes return pipe, and the right end of the return pipe is at The left end bottom of reason case stretches in placed cavity, and the left end of return pipe stretches in working chamber from the top of the right end of foul water tank.

A kind of air-flotation type sewage-treatment plant of the utility model, is obliquely installed the communicating pipe, and the left end of communicating pipe is certainly It is stretched in working chamber in the middle part of the right end of foul water tank, the right end of communicating pipe is tilted down and is connected to clear water tanks.

A kind of air-flotation type sewage-treatment plant of the utility model, the clear water tanks are internally provided with coarse gravel filter layer With fine sand gravel filter layer, the coarse gravel filter layer is located at the top of fine sand gravel filter layer.

A kind of air-flotation type sewage-treatment plant of the utility model, the left end of the foul water tank is provided with pick-and-place mouth, described The length that the vertical range between mouth and fixed plate is equal to traction rope is picked and placed, and is provided with door-plate, the door-plate at mouth picking and placing Top and the left end of foul water tank be connected by a hinge, the bottom end of door-plate and the left end of foul water tank are connected by a snap, and in door Sealing ring is provided on the lateral wall of plate.

A kind of air-flotation type sewage-treatment plant of the utility model, the exhaust pipe are internally provided with activated carbon adsorption dress It sets, the activated carbon adsorption device is removably mounted inside exhaust pipe.

Compared with prior art the utility model has the following beneficial effects: by motor drive lead screw rotation, by lead screw with The cooperation of threaded hole moves left and right fixed plate in working chamber, during guaranteeing that fixed plate moves left and right by two groups of gag lever posts Stability, fixed plate by traction rope drive kickboard move left and right, kickboard is swum on the water surface, and by addition or reduce Counterweight ring so that the top of kickboard is located just at the water surface hereinafter, kickboard drives dreg collecting slot to move left and right, and dreg collecting slot is moving left and right The dross of the water surface is collected in dreg collecting slot by slag inlet in the process, is extracted out the dross in dreg collecting slot by taking out pulp pump, nothing It needs manually to clear up the dross of the water surface, saves manpower, improve use reliability；Foul smell in foul water tank passes through connection air hose Into in placed cavity, foul smell enters in incubator from the multiple groups venthole in the left end of incubator opening and side wall and gives birth to activity Aerobe group contact on object filler carries out oxygenolysis to the organic principle in foul smell by aerobe group, through peroxide Change the gas after decomposing to export from exhaust pipe, can prevent the foul smell in sewage from causing dirt to working environment and surrounding enviroment Dye improves practicability.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the partial enlargement structural representation at the utility model A；

Fig. 3 is the schematic perspective view of the utility model dreg collecting slot；

Fig. 4 is the overlooking structure diagram of the utility model foul water tank；

It is attached marked in the figure: 1, foul water tank；2, clear water tanks；3, communicating pipe；4, aeration tube；5, aeration spray head；6, aerator； 7, water inlet pipe；8, intake pump；9, drainpipe；10, motor；11, lead screw；12, gag lever post；13, fixed plate；14, traction rope；15, Kickboard；16, counterweight ring；17, pulp pump is taken out；18, ball bearing；19, screw rod；20, dreg collecting slot；21, slag inlet；22, flapper； 23, dreg-drawing pipe；24, treatment box；25, it is connected to air hose；26, left clapboard；27, right clapboard；28, incubator；29, exhaust pipe；30, living Property biologic packing material；31, venthole；32, spray pump；33, spray tube；34, return pipe；35, coarse gravel filter layer；36, fine sand gravel Filter layer；37, door-plate；38, activated carbon adsorption device.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figures 1 to 4, a kind of air-flotation type sewage-treatment plant of the utility model, including foul water tank 1, clear water tanks 2 With communicating pipe 3, foul water tank is internally provided with working chamber, and the bottom of working chamber is provided with aeration tube 4, the top of aeration tube It is provided with and communicated with multiple groups aeration spray head 5, the left end of foul water tank is provided with aerator 6, and the output end of aerator, which stretches to, to be put It sets intracavitary and is connected to aeration tube, the left end of foul water tank is provided with water inlet pipe 7, and is provided with intake pump 8 at water inlet pipe, connection One end of pipe stretches in working chamber from the middle part of the right end of foul water tank, and the other end of communicating pipe is connected to clear water tanks, clear water tanks Right end bottom is provided with drainpipe 9, and drain valve is provided at drainpipe；It further include 11, two groups of motor 10, lead screw gag lever posts 12,13, four groups of traction ropes 14 of fixed plate, kickboard 15, multiple groups counterweight ring 16 and pumping pulp pump 17, motor are mounted on the right side of foul water tank The left side wall top at end, working chamber is provided with mounting groove, and ball bearing 18 is fixedly installed in mounting groove, fixed front edge of board It is provided with the limit hole of left and right perforation with rear end, the threaded hole of left and right perforation, two groups of gag lever posts are provided in the middle part of fixed plate Left end connect respectively with the front-end and back-end at the top of working chamber left side wall, the left end of the right end self-retaining plate of two groups of gag lever posts point It two groups of limit holes and Chuan Guo not be connect respectively with the front-end and back-end at the top of working chamber right side wall, the left end self-retaining plate of lead screw Right end spiral shell dress is across threaded hole and is inserted into inside ball bearing, and the right end of lead screw passes through the right side wall of foul water tank from working chamber And with the left side output end of motor be sequentially connected, the top of four groups of traction ropes respectively with the front left side of fixed plate bottom end, forward right side, Left rear side is connected with right lateral side, and the bottom end of four groups of traction ropes is respectively and behind the front left side on kickboard top, forward right side, left rear side and the right side Side connection, the bottom end of kickboard are provided with multiple groups screw rod 19, and the top of multiple groups screw rod is welded and fixed with the bottom end of kickboard, and multiple groups are matched Screw hole up and down is provided on weight ring, multiple groups counterweight ring is connected through a screw thread with multiple groups screw rod respectively, the top of kickboard It is provided with dreg collecting slot 20, the left end of dreg collecting slot and right end are provided with multiple groups slag inlet 21, and are respectively provided at multiple groups slag inlet There is flapper 22, the input terminal for taking out pulp pump is provided with dreg-drawing pipe 23, and the input terminal of dreg-drawing pipe is connected to dreg collecting slot；It further include place It manages case 24 and is mounted on the top of clear water tanks with air hose 25, treatment box is connected to, and in the placed cavity that is internally provided with for the treatment of box, and Left clapboard 26, right clapboard 27, incubator 28 and exhaust pipe 29, left clapboard and right clapboard vertical installation respectively are provided in placed cavity Be provided with the venthole of multiple groups or so perforation in the left and right side of placed cavity, and in left clapboard, the left end of incubator from it is left every The right end of plate is provided with opening, the right end of incubator and the right side across left clapboard to the left side of left clapboard, and in the left end of incubator The left end of partition connects, and the inside of incubator is equipped with Active biological filler 30, and aerobic life is provided in Active biological filler Object group, the side wall of incubator are provided with multiple groups venthole 31, and the left end of exhaust pipe passes through right clapboard and training from the right end of right clapboard The right side wall for supporting case stretches to inside incubator, and the right end of exhaust pipe is from placed cavity across the right side wall for the treatment of box to placed cavity Outside；Lead screw rotation is driven by motor, moves left and right fixed plate in working chamber by the cooperation of lead screw and threaded hole, Guarantee the stability during fixed plate moves left and right by two groups of gag lever posts, fixed plate passes through traction rope and kickboard or so is driven to move Dynamic, kickboard is swum on the water surface, and so that the top of kickboard is located just at the water surface hereinafter, kickboard by adding or reducing counterweight ring Dreg collecting slot is driven to move left and right, dreg collecting slot is collected the dross of the water surface in dreg collecting slot by slag inlet during moving left and right It is interior, the dross in dreg collecting slot is extracted out by taking out pulp pump, without manually clearing up the dross of the water surface, manpower is saved, improves Use reliability；Foul smell in foul water tank is entered in placed cavity by being connected to air hose, and foul smell is open from the left end of incubator and side Multiple groups venthole on wall enters in incubator and contacts with the aerobe group in Active biological filler, passes through aerobe group Oxygenolysis is carried out to the organic principle in foul smell, the gas after peroxide decomposition is exported from exhaust pipe, can prevent sewage In foul smell working environment and surrounding enviroment are polluted, improve practicability.

A kind of air-flotation type sewage-treatment plant of the utility model, further includes spray pump 32 and multiple groups spray tube 33, multiple groups Spray tube is respectively positioned in placed cavity, and multiple groups spray tube is the top with incubator, the input terminal self-cleaning water tank of spray pump Right end stretch to inside clear water tanks, the output end of spray pump is stretched in placed cavity from the top for the treatment of box and is sprayed with multiple groups Pipe is connected to；The water in clear water tanks is pumped in multiple groups spray tube and spraying by spray pump, is in Active biological filler Aerobe group provides a suitable living environment, improves practicability.

A kind of air-flotation type sewage-treatment plant of the utility model, the top of multiple groups flapper with the inside of dreg collecting slot Wall is connected by a hinge, and the size of flapper is greater than the size of slag inlet；For dreg collecting slot when being moved to the left, dreg collecting slot is left The flapper of side is opened, and enters dross in dreg collecting slot, the flapper on the right side of dreg collecting slot is in off state, and dreg collecting slot is to the right When mobile, the flapper on the right side of dreg collecting slot is opened, and the flapper on the left of dreg collecting slot is in off state, and dross is made to enter collection slag Slot.

A kind of air-flotation type sewage-treatment plant of the utility model, further includes return pipe 34, and the right end of return pipe is handled certainly The left end bottom of case stretches in placed cavity, and the left end of return pipe stretches in working chamber from the top of the right end of foul water tank；Pass through The waste water that generation is sprayed in placed cavity is sent in working chamber by return pipe, realizes recycling for water, improves use reliability.

A kind of air-flotation type sewage-treatment plant of the utility model, is obliquely installed communicating pipe, and the left end of communicating pipe is from sewage It is stretched in working chamber in the middle part of the right end of case, the right end of communicating pipe is tilted down and is connected to clear water tanks；It can prevent on dross Entered in clear water tanks during rising by communicating pipe, improves practicability.

A kind of air-flotation type sewage-treatment plant of the utility model, clear water tanks are internally provided with 35 He of coarse gravel filter layer Fine sand gravel filter layer 36, coarse gravel filter layer are located at the top of fine sand gravel filter layer；Pass through coarse gravel filter layer and fine sand gravel mistake Filtering layer carries out depth-type filtration to the water in clear water tanks, improves the filter effect to sewage.

A kind of air-flotation type sewage-treatment plant of the utility model, the left end of foul water tank are provided with pick-and-place mouth, pick and place mouth with Vertical range between fixed plate is equal to the length of traction rope, and door-plate 37 is provided at mouth picking and placing, the top of door-plate and dirt The left end of water tank is connected by a hinge, and the bottom end of door-plate and the left end of foul water tank are connected by a snap, and in the lateral wall of door-plate On be provided with sealing ring；By opening door-plate, just the counterweight ring of kickboard bottom end is added or is reduced from mouth prescription is picked and placed, To guarantee that kickboard in the position of the water surface, can preferably be collected dross, use reliability is improved.

A kind of air-flotation type sewage-treatment plant of the utility model, exhaust pipe are internally provided with activated carbon adsorption device 38, activated carbon adsorption device is removably mounted inside exhaust pipe；It is inhaled by gas of the activated carbon adsorption device to discharge It is attached, it is further provided to the treatment effect of foul smell.

A kind of air-flotation type sewage-treatment plant of the utility model is at work intake sewage by sewage pump certainly Pipe is directed into working chamber, and gas is passed through in aeration tube and sprays in multiple groups aeration spray head by aerator, is made by minute bubbles Suspended impurity in sewage is swum on the water surface, is driven lead screw rotation by motor, is made by the cooperation of lead screw and threaded hole solid Fixed board moves left and right in working chamber, guarantees the stability during fixed plate moves left and right, fixed plate by two groups of gag lever posts Kickboard is driven to move left and right by traction rope, kickboard is swum on the water surface, and makes kickboard by adding or reducing counterweight ring Top is located just at the water surface hereinafter, kickboard drives dreg collecting slot to move left and right, and dreg collecting slot is during moving left and right by the water surface Dross is collected in dreg collecting slot by slag inlet, is extracted out the dross in dreg collecting slot by taking out pulp pump, without manually to the water surface Dross is cleared up, and manpower is saved, and improves use reliability, and the foul smell in foul water tank is entered in placed cavity by being connected to air hose, Foul smell enter in incubator from the multiple groups venthole in the left end of incubator opening and side wall and with it is good in Active biological filler The contact of oxygen biota carries out oxygenolysis to the organic principle in foul smell by aerobe group, the gas after peroxide decomposition Body is exported from exhaust pipe, can prevent the foul smell in sewage from polluting to working environment and surrounding enviroment, improves practicability, The water in clear water tanks is pumped in multiple groups spray tube and spraying by spray pump, is the aerobe group in Active biological filler One suitable living environment is provided, the waste water for spraying generation in placed cavity is sent in working chamber by return pipe, is realized Water recycles, and dreg collecting slot when being moved to the left, open by the flapper on the left of dreg collecting slot, enters dross in dreg collecting slot, Flapper on the right side of dreg collecting slot is in off state, and when dreg collecting slot moves right, the flapper on the right side of dreg collecting slot is opened, and collects slag Flapper on the left of slot is in off state, and dross is made to enter dreg collecting slot, and the right end of communicating pipe tilts down and connects with clear water tanks It is logical, entered in clear water tanks during can preventing dross from rising by communicating pipe, passes through coarse gravel filter layer and fine sand gravel mistake Filtering layer carries out depth-type filtration to the water in clear water tanks, improves the filter effect to sewage, opens door-plate, and from picking and placing, mouth prescription is just right The counterweight ring of kickboard bottom end is added or reduces, to guarantee that kickboard in the position of the water surface, can preferably carry out dross It collects.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (8)

1. a kind of air-flotation type sewage-treatment plant, including foul water tank (1), clear water tanks (2) and communicating pipe (3), foul water tank (1) it is interior Portion is provided with working chamber, and is provided with aeration tube (4) in the bottom of working chamber, and the top of aeration tube (4) is provided with and communicated with multiple groups Aeration spray head (5), the left end of foul water tank (1) are provided with aerator (6), and the output end of aerator (6) stretches to placed cavity Interior and be connected to aeration tube (4), the left end of foul water tank (1) is provided with water inlet pipe (7), and is provided at water inlet pipe (7) into water Pump (8), one end of communicating pipe (3) stretches in working chamber from the middle part of the right end of foul water tank (1), the other end of communicating pipe (3) with Clear water tanks (2) connection, the right end bottom of clear water tanks (2) is provided with drainpipe (9), and is provided with drain valve at drainpipe (9)； It is characterized in that, further include motor (10), lead screw (11), two groups of gag lever posts (12), fixed plate (13), four groups of traction ropes (14), Kickboard (15), multiple groups counterweight ring (16) and pumping pulp pump (17), the motor (10) are mounted on the right end of foul water tank (1), the work Make to be provided with mounting groove at the top of the left side wall of chamber, and is fixedly installed with ball bearing (18), the fixed plate in mounting groove (13) front-end and back-end are provided with the limit hole of left and right perforation, and the screw thread of left and right perforation is provided in the middle part of fixed plate (13) The left end in hole, two groups of gag lever posts (12) is connect with the front-end and back-end at the top of working chamber left side wall respectively, two groups of gag lever posts (12) left end of right end self-retaining plate (13) be each passed through two groups of limit holes and respectively with the front end at the top of working chamber right side wall It is connected with rear end, the right end spiral shell of the left end self-retaining plate (13) of the lead screw (11) fills across threaded hole and is inserted into ball bearing (18) internal, the right end of lead screw (11) passes through the right side wall of foul water tank (1) from working chamber and exports with the left side of motor (10) End transmission connection, the top of four groups of traction ropes (14) front left side, forward right side, the left rear side with fixed plate (13) bottom end respectively It is connected with right lateral side, the bottom end of four groups of traction ropes (14) front left side, forward right side, left rear side and the right side with kickboard (15) top respectively Rear side connection, the bottom end of the kickboard (15) is provided with multiple groups screw rod (19), and the top of the multiple groups screw rod (19) is and kickboard (15) bottom end is welded and fixed, and screw hole up and down, multiple groups counterweight ring (16) are provided on the multiple groups counterweight ring (16) It is connected through a screw thread respectively with multiple groups screw rod (19), the top of kickboard (15) is provided with dreg collecting slot (20), the dreg collecting slot (20) Left end and right end be provided with multiple groups slag inlet (21), and flapper (22) are provided at multiple groups slag inlet (21), The input terminal for taking out pulp pump (17) is provided with dreg-drawing pipe (23), and the input terminal of the dreg-drawing pipe (23) and dreg collecting slot (20) are even It is logical；It further include treatment box (24) and be connected to air hose (25), the treatment box (24) is mounted on the top of clear water tanks (2), and is locating Reason case (24) is internally provided with placed cavity, and left clapboard (26), right clapboard (27), incubator (28) are provided in placed cavity With exhaust pipe (29), the left clapboard (26) and right clapboard (27) are mounted vertically in the left and right side of placed cavity respectively, and Left clapboard (26) is provided with the venthole (31) of multiple groups or so perforation, the right side of the left end of the incubator (28) from left clapboard (26) End is provided with opening, incubator (28) across the left side of left clapboard (26) to left clapboard (26), and in the left end of incubator (28) Right end connect with the left end of right clapboard (27), the inside of incubator (28) is equipped with Active biological filler (30), and raw in activity Aerobe group is provided on object filler (30), the side wall of incubator (28) is provided with multiple groups venthole (31), the exhaust pipe (29) left end stretches to incubator from the right side wall that the right end of right clapboard (27) passes through right clapboard (27) and incubator (28) (28) internal, right side wall of the right end of exhaust pipe (29) from placed cavity across treatment box (24) is to the outside of placed cavity.

2. a kind of air-flotation type sewage-treatment plant as described in claim 1, which is characterized in that further include spray pump (32) and more Group spray tube (33), the multiple groups spray tube (33) is respectively positioned in placed cavity, and multiple groups spray tube (33) is and incubator (28) top, the right end of the input terminal self-cleaning water tank (2) of spray pump (32) stretch to clear water tanks (2) inside, spray pump (32) The top of output end from treatment box (24) stretch in placed cavity and be connected to multiple groups spray tube (33).

3. a kind of air-flotation type sewage-treatment plant as claimed in claim 2, which is characterized in that the multiple groups flapper (22) Inner sidewall of the top with dreg collecting slot (20) be connected by a hinge, and the size of flapper (22) is greater than slag inlet (21) Size.

4. a kind of air-flotation type sewage-treatment plant as claimed in claim 3, which is characterized in that further include return pipe (34), institute The left end bottom for stating right end from the treatment box (24) of return pipe (34) stretches in placed cavity, and the left end of return pipe (34) is from sewage It is stretched in working chamber at the top of the right end of case (1).

5. a kind of air-flotation type sewage-treatment plant as claimed in claim 4, which is characterized in that communicating pipe (3) inclination is set Set, the left end of communicating pipe (3) stretches in working chamber from the middle part of the right end of foul water tank (1), communicating pipe the right end of (3) tilt down And it is connected to clear water tanks (2).

6. a kind of air-flotation type sewage-treatment plant as claimed in claim 5, which is characterized in that the inside of the clear water tanks (2) It is provided with coarse gravel filter layer (35) and fine sand gravel filter layer (36), the coarse gravel filter layer (35) is located at fine sand gravel filter layer (36) top.

7. a kind of air-flotation type sewage-treatment plant as claimed in claim 6, which is characterized in that the left end of the foul water tank (1) It is provided with pick-and-place mouth, the vertical range picked and placed between mouth and fixed plate (13) is equal to the length of traction rope (14), and is taking It is provided with door-plate (37) at putting mouthful, the top of the door-plate (37) and the left end of foul water tank (1) are connected by a hinge, door-plate (37) Bottom end and the left end of foul water tank (1) be connected by a snap, and be provided with sealing ring on the lateral wall of door-plate (37).

8. a kind of air-flotation type sewage-treatment plant as claimed in claim 7, which is characterized in that the inside of the exhaust pipe (29) It is provided with activated carbon adsorption device (38), it is internal that the activated carbon adsorption device (38) is removably mounted at exhaust pipe (29).