CN209835843U

CN209835843U - Coagulation air-float copolymerization quick separation device

Info

Publication number: CN209835843U
Application number: CN201920616766.0U
Authority: CN
Inventors: 费庆志; 范文新; 解欣宇; 侯婷婷; 许芝; 肖经伦; 邹之本; 于岱卿; 夏欣雨
Original assignee: Dalian Jiaotong University
Current assignee: Dalian Jiaotong University
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2019-12-24
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to an environmental engineering technical field specifically discloses a thoughtlessly congeal air supporting copolymerization quick separation device, including the effluent water sump, advance the sewer pipe, the pipe is added to the acid-base, the coagulant is added the pipe, the sewage pump, first connecting pipe, first drain pipe, dissolved air pump, suction nozzle, second drain pipe, first coagulant aid is added the pipe, copolymerization reactor box, second coagulant aid is added the pipe, the mixer, the puddler, the honeycomb duct, the separator box, the baffle, the sediment collecting pipe, the dross collecting vat, the water purification collecting pipe, the third connecting pipe, water purification collecting box and outlet pipe. The utility model discloses remaining impurity in the sewage after can the effective processing handle the coagulating sedimentation pond, handle easy operation, the treatment cost is low, can effectively get rid of impurity such as suspended particle, emulsified oil, fibre, heavy metal in the sewage, the environmental protection is pollution-free.

Description

Coagulation air-float copolymerization quick separation device

Technical Field

The utility model relates to an environmental engineering technical field especially relates to a thoughtlessly congeal air supporting copolymerization quick separation device.

Background

With the increasing population of China, water resources are seriously damaged, and China faces the problem of water resource exhaustion. Water resources are the guarantee of human survival, and are non-renewable resources, which not only affect the production and life of people, but also have important influence on the urban construction of China, and the improvement of the comprehensive national power and international competitiveness of China. Therefore, the strengthening of urban sewage treatment work in China is not slow at all. However, in recent years, China has caused a serious problem of water resource pollution in the process of urbanization. The discharge amount of urban sewage is increasing continuously, and the pollution sources of wastewater in China mainly comprise industrial sources, agricultural sources, urban living sources and a small part of centralized pollution facility discharge sources, wherein relevant data show that the discharge amount of urban domestic sewage is the main reason for increasing the discharge amount of sewage in China.

On the other hand, in the treatment process of the sewage treatment plant, sewage firstly flows into the coarse grids, larger floating impurities are removed through the coarse grids, then fine floating objects are removed through the fine grids, silt is removed in the rotational flow grit chamber, and the silt deposited at the bottom of the grit chamber is discharged into the sludge storage tank through the sand suction machine; the sewage after sand removal enters a coagulation sedimentation tank of a back-end treatment facility, suspended solid particles in the sewage are mainly removed by the coagulation sedimentation tank, and floc particles formed by coagulation are small, light and poor in sedimentation performance, so that the sewage treatment brings huge challenges. Therefore, the utility model relates to a sewage treatment method handles residual impurity in the sewage after the coagulating sedimentation pond is handled, has the significance to promoting sewage treatment development and protecting water resource reuse.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thoughtlessly congeal air supporting copolymerization quick separation device to remaining impurity in the sewage after the effective processing is handled through the coagulating sedimentation pond.

In order to solve the technical problem, the utility model provides a coagulation air-flotation copolymerization quick separation device, including the effluent water sump, advance the sewage pipe, the acid-base is added the pipe, the coagulant is added the pipe, the sewage pump, first connecting pipe, first drain pipe, dissolved air pump, the admission nozzle, the second drain pipe, first coagulant aid is added the pipe, copolymerization reactor box, second coagulant aid is added the pipe, the mixer, the puddler, the honeycomb duct, the separator box, the baffle, the sediment collecting pipe, the dross collecting vat, the water purification collecting pipe, the third connecting pipe, water purification collecting box and outlet pipe; one end of the sewage inlet pipe is positioned in the sewage pool, the other end of the sewage inlet pipe is connected with a water inlet of the sewage pump, the acid-base adding pipe and the coagulant adding pipe are connected into the sewage inlet pipe, one end of the first connecting pipe is connected with a water outlet of the sewage pump, the other end of the first connecting pipe is positioned at the lower part in the copolymerization reactor box body, one end of the first drainage pipe is connected with the water outlet of the sewage pump, the other end of the first drainage pipe is connected with a water inlet of the air dissolving pump, the air inlet nozzle is connected with an air inlet of the air dissolving pump, one end of the second drainage pipe is connected with the water outlet of the air dissolving pump, the other end of the second drainage pipe is connected with the first connecting pipe, the first coagulant adding pipe is connected into the first connecting pipe, the second coagulant adding pipe is connected into the middle part of the copolymerization reactor box, the separator is characterized in that the separator and the sludge collecting pipe are arranged in the separator box body, the separator is in an inverted cone shape with an upper opening and a lower opening, an upper opening of the sludge collecting pipe corresponds to a lower opening of the separator and is provided with a gap, one end of the flow guide pipe is connected with the upper end of the copolymerization reactor box body, the other end of the flow guide pipe is positioned at the central position of the separator, a scum collecting tank is arranged at the upper part of the separator box body, one end of the water purifying collecting pipe is positioned at the lower part in the separator box body, the other end of the water purifying collecting pipe passes through the third connecting pipe and is connected with the water purifying collecting box.

Preferably, the sewage inlet pipe, the acid-base adding pipe and the coagulant adding pipe are respectively provided with an adjusting valve.

Preferably, the first coagulant aid adding pipe is provided with an adjusting valve, and the second coagulant aid adding pipe is provided with two adjusting valves.

Preferably, the first connecting pipe is sequentially provided with an adjusting valve, a flowmeter, an adjusting valve, a sampling faucet and an adjusting valve.

Preferably, first drain pipe is connected with the second connecting pipe, be equipped with the governing valve on the second connecting pipe, first drain pipe with the both sides of second connecting pipe junction all are equipped with the governing valve, still be equipped with the manometer on the first drain pipe, be equipped with governing valve, flowmeter, manometer, sample tap and governing valve on the second drain pipe in proper order, be equipped with air intake regulating valve and air flow meter on the suction nozzle.

Preferably, the lower part of the stirring rod is provided with a first stirring blade, and the middle part of the stirring rod is provided with a second stirring blade.

Preferably, the lower part of the scum collecting tank is provided with a scum outlet pipe.

Preferably, the lower part of the box body of the separation device is provided with an emptying pipe, and the emptying pipe is provided with a regulating valve.

Preferably, the part of the purified water collecting pipe in the box body of the separation device is a perforated pipe.

Preferably, a water level adjusting plug and a gulf flow pipe are arranged in the pure water collecting tank, and the gulf flow pipe is connected with the third connecting pipe.

The utility model discloses a thoughtlessly congeal air supporting copolymerization quick separation device can effective processing through remaining impurity in the sewage after coagulating sedimentation tank handles, handles easy operation, and processing cost is low, can effectively remove impurity such as suspended particle, emulsified oil, fibre, heavy metal in the sewage, and the environmental protection is pollution-free, has wide market prospect and using value. Fully utilizes the basic principle of coagulation-air flotation co-coagulation, releases dense ultramicro bubbles by adding medicine and mixing in front of a sewage pump and a dissolved air release system of a multi-item medium pump, and generates flocs by adding coagulant aids, wherein the flocs with air have the functions of bridging, wrapping and net catching, the copolymer complex formed by the three combination modes can not only prevent bubbles from falling off under the influence of shearing force in the floating process, ensure that scum is very stable, the water content is greatly reduced, and the diameter of the formed copolymer complex is much larger than that of the traditional air floatation, the density difference with water is also much increased, according to the Stokes law, the floating speed is in direct proportion to the square of the particle size and the density difference between the particles and water, therefore, the floating speed is higher than that of the traditional air floatation, the reaction separation time is shortened, and the separation efficiency and the stability of the air floatation equipment are greatly improved. The coagulant aid is added into the system in sequence, so that the adsorption and bridging functions are improved, the added coagulant aid PAM water and gas are quickly and uniformly and effectively mixed to form a copolymerization compound of larger bubbles and flocs, a favorable physical and chemical space is provided for the generation of the copolymerization compound, and the stability and the floating capacity of floating flocs are improved. The back taper that solid-liquid separation district upper end baffle set up the enclosure, the back taper lower port is connected with sludge collecting pipe upper end, mixes the effect that liquid passes through coagulation air supporting in the solid-liquid separation reaction zone, and the back taper baffle makes the easy automatic come-up of dross distribute to the separation district liquid level effectively and gets into the dross collecting vat, and has blockked that the water purification that will purify the collection area mixes with the dross, the mixed separation of the mixed liquid of being convenient for. The discharged water controls the scum discharge of the separating device box body by adjusting the water level adjusting plug, so that the scum is concentrated and dehydrated in the solid-liquid separation area, the moisture content of the flocculated slag can be further reduced, and the device is simple and convenient. The multiple medium dissolved air pump is utilized to synchronously integrate the coagulation and copolymerization of the medicine and the gas-solid-liquid three phases in the copolymerization reaction area, thereby simplifying the flow, generating a stable gas-solid-liquid three-phase flocculating constituent, improving the air floatation efficiency and stabilizing the air floatation effect; the method and the device which integrate left and right coagulation air flotation copolymerization separation are adopted, the occupied area is small, rapid coagulation copolymerization air flotation can be realized, the dissolved air energy consumption is reduced, the air flotation efficiency is improved, and the air flotation process flow is simplified. The utility model discloses a thoughtlessly congeal air supporting copolymerization quick separation device can be used for handling colloid and the suspended solid in producing sewage and the waste water among the production life process, accomplishes solid-liquid separation.

Drawings

Fig. 1 is a schematic structural diagram of a coagulation-air-flotation copolymerization quick separation device according to an embodiment of the present invention.

In the figure, 1: a sewage tank; 2: a sewage inlet pipe; 3: adjusting a valve; 4: an acid-base addition tube; 5: a coagulant adding pipe; 6: a sewage pump; 7: adjusting a valve; 8: a wastewater flowmeter; 9: adjusting a valve; 10: a sampling faucet; 11: a first connecting pipe; 12: adjusting a valve; 13: adjusting a valve; 14: a second connecting pipe; 15: adjusting a valve; 16: a vacuum gauge; 17: an air flow meter; 18: an air inlet regulating valve; 19: an air inlet nozzle; 20: a dissolved air pump; 21: adjusting a valve; 22: a dissolved gas water flow meter; 23: a pressure gauge; 24: a sampling faucet; 25: adjusting a valve; 26: a first coagulant aid addition tube; 27: adjusting a valve; 28: a second coagulant aid addition tube; 29: adjusting a valve; 30: a blender; 31: a stirring rod; 32: a second stirring blade; 33: a first stirring blade; 34: a flow guide pipe; 35: a partition plate; 36: a sludge collecting pipe; 37: a scum collecting tank; 38: a purified water collecting pipe; 39: a third connecting pipe; 40: a water level adjusting plug; 41: a bent pipe; 42: a water outlet pipe; 43: a separator case; 44: a copolymerization reactor box; 45: discharging the scum pipe; 46: emptying the pipe; 101: a copolymerization reaction zone; 102: a solid-liquid separation zone; 103: a clean water collecting area; 104: a water level adjusting area.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1, the coagulation air-flotation copolymerization rapid separation device of the embodiment includes: the sewage treatment device comprises a sewage pool 1, a sewage inlet pipe 2, an acid-base adding pipe 4, a coagulant adding pipe 5, a sewage pump 6, a first connecting pipe 11, a first drainage pipe, a dissolved air pump 20, an air inlet nozzle 19, a second drainage pipe, a first coagulant aid adding pipe 26, a copolymerization reactor box 44, a second coagulant aid adding pipe 28, a stirrer 30, a stirring rod 31, a flow guide pipe 34, a separation device box 43, a partition plate 35, a sludge collecting pipe 36, a scum collecting tank 37, a purified water collecting pipe 38, a third connecting pipe 39, a purified water collecting tank and a water outlet pipe 42.

One end of a sewage inlet pipe 2 is positioned in the sewage pool 1, the other end is connected with a water inlet of a sewage pump 6, an acid-base adding pipe 4 and a coagulant adding pipe 5 are connected into the sewage inlet pipe 2, one end of a first connecting pipe 11 is connected with a water outlet of the sewage pump 6, the other end is positioned at the lower part in a copolymerization reactor box body 44, one end of a first drainage pipe is connected with a water outlet of the sewage pump 6, the other end is connected with a water inlet of a dissolved air pump 20, an air inlet nozzle 19 is connected with an air inlet of the dissolved air pump 20, one end of a second drainage pipe is connected with a water outlet of the dissolved air pump 20, the other end is connected with the first connecting pipe 11, a first coagulant aid adding pipe 26 is connected into the first connecting pipe 11, a second coagulant aid adding pipe 28 is connected into the middle part of the copolymerization reactor box body 44, a stirring rod 31 of a stirrer 30 is positioned in the copolymerization reactor box, the partition board is in a reverse taper shape with an upper opening and a lower opening, the upper opening of the sediment collecting pipe 36 corresponds to the lower opening of the partition board 35 and a gap is reserved between the upper opening and the lower opening, one end of the flow guide pipe 34 is connected with the upper end of the copolymerization reactor box body 44, the other end of the flow guide pipe is positioned at the central position of the partition board 35, the upper part of the separating device box body 43 is provided with a scum collecting tank 37, one end of the water purifying collecting pipe 38 is positioned at the lower part in the separating device box body 43, the other end of the water purifying collecting pipe is.

The sewage inlet pipe 2 is provided with an adjusting valve 3, and the acid-base adding pipe 4 and the coagulant adding pipe 5 are both provided with adjusting valves. The first coagulant aid addition pipe 26 is provided with one regulating valve, and the second coagulant aid addition pipe 28 is provided with two regulating valves. The first connecting pipe 11 is provided with a regulating valve 7, a flowmeter 8, a regulating valve 9, a sampling tap 10 and a regulating valve 27 in sequence. The first drain pipe is connected with a second connecting pipe 14, the second connecting pipe 14 is provided with a regulating valve 13, the first drain pipe is respectively provided with a regulating valve 12 and a regulating valve 15 on two sides of the joint of the first drain pipe and the second connecting pipe 14, the first drain pipe is further provided with a pressure gauge 16, the second drain pipe is sequentially provided with a regulating valve 21, a flow meter 22, a pressure gauge 23, a sampling water tap 24 and a regulating valve 25, and the air inlet nozzle 19 is provided with an air inlet regulating valve 18 and an air flow meter 17. The lower part of the stirring rod 31 is provided with a first stirring blade 33, and the middle part of the stirring rod 31 is provided with a second stirring blade 32. The lower part of the scum collecting tank 37 is provided with a scum outlet pipe 45. The lower part of the separator box 43 is provided with an evacuation pipe 46, and the evacuation pipe 46 is provided with a regulating valve. The part of the purified water collecting pipe 38 in the case 43 of the separator is a perforated pipe. A water level adjusting plug 40 and a gulf flow pipe 41 are arranged in the water purifying collecting tank, and the gulf flow pipe 41 is connected with the third connecting pipe 39.

The coagulation air-flotation copolymerization quick separation device of the embodiment can be divided into: the copolymerization reaction zone 101, the solid-liquid separation zone 102, the purified water collection zone 103 and the water level adjustment zone 104 are provided with an independent copolymerization reaction system and an independent solid-liquid separation system to realize the optimization of the air flotation separation process of coagulation air flotation copolymerization, and meanwhile, a scum discharge mode adopts a variable water level deslagging mode, so that the method is simple, convenient and fast, and the whole set of equipment has small occupied area, less investment and high efficiency.

The sewage dosing and mixing system consists of a sewage pump 6, a coagulant adding pipe 5, an acid or alkali adding pipe 4, coagulant aid PAM adding pipes 26 and 28, a coagulant aid PAM adding pipe 28, a flowmeter 8, an adjusting valve 3/7/9 and a sampling water tap 10; coagulant and pH regulator are sucked by the self-priming action of a sewage pump 6, the dosing amount is controlled by a valve 4 and a valve 5, liquid medicine and sewage are mixed by high-speed rotary cutting of an impeller of the water pump, a water outlet pipe connecting pipeline 11 of the sewage pump is sequentially connected with an adjusting valve 7, a flowmeter 8, an adjusting valve 9, a sampling water tap 10 and a water outlet pipe of a dissolved air pump, and a coagulant aid adding pipe 26 is controlled by the adjusting valve to be added to a dosing point after the sewage and the dissolved air water are mixed; the coagulant aid PAM is added to the copolymerization zone via a control valve 29 via a coagulant aid PAM addition line 28.

The multi-medium pump air dissolving system comprises an air dissolving pump 20, a flowmeter 22, a pressure gauge 23, a sampling faucet 24, a valve and the like; the dissolved air pump sucks sewage in a sewage pipe output by the sewage pump 6 into a pump body, the flow is controlled by the regulating valve 12/13/14/15, air is sucked in at the air inlet nozzle 19 of the dissolved air pump through the air flow meter 17 and the air inlet regulating valve 18 in front of the pump, the pressure is maintained within the range of 0.3-0.5Mpa after the air is repeatedly cut by the dissolved air pump, the dispersed and dissolved air in water is quickly discharged through the regulating valve according to the copolymerization characteristic and the micro-bubble release process characteristic, the diameter of the released micro-bubbles is ensured to be 1-10 microns, the pressure is displayed by the pressure gauge 30, the adding amount is controlled by the dissolved air water flow meter 22, the dispersed and dissolved air and the sewage after dosing and mixing are converged, the converged water and then converged with the coagulant aid PAM added by the coagulant aid dosing pipe 26, and the converged water enters the bottom of.

The copolymerization reaction system consists of a copolymerization reaction box body 44, a mixed liquid inlet pipe and valve 27, a coagulant aid adding pipe and valve 28/29, a stirrer 30, a stirring rod 31, stirring blades 32/33 and a water outlet guide pipe 34; the dissolved steam water dosing mixed liquid enters from the bottom of the box body and starts to carry out rotational flow mixing when meeting the stirring blade 33, meets the coagulant aid PAM when reaching the middle part of the box body, is fully mixed by stirring of the stirring blade 32, and the uniformly mixed water at the upper part of the box body is connected with the liquid level position of the copolymerization reaction area through the water outlet guide pipe 32 and integrally extends to the upper end of the solid-liquid separation area precipitation collecting pipe in an inclined way of 60 degrees with the box body.

The solid-liquid separation system comprises a solid-liquid separation zone b, a purified water collection zone c and a water level adjustment zone d; the solid-liquid separation zone b consists of an upper end clapboard 35 and a lower end sludge collecting pipe 36, an overflow port is arranged at the connecting position of the clapboard and the sludge collecting pipe, and the water purification zone c consists of an upper end scum collecting tank 37 and a bottom purified water collecting pipe 38; the water enters from the center of the inverted cone enclosed by the upper end clapboard of the solid-liquid separation zone b through the draft tube 34, the mixed liquid enters into the sludge collecting tube 36 and then floats to the scum collecting tank 37 through air flotation, thus realizing rapid solid-liquid separation, the heavier floc suspended matters are precipitated in the sludge collecting tank 36 and removed through the bottom emptying tube and the valve 46, the purified water overflows to the purified water collecting zone c from the upper end overflow port of the sludge collecting tube 36, the purified water collecting tube 38 at the lower part of the purified water collecting zone is connected with the lower end of the water outlet tube 39, the purified water enters into the water level adjusting zone d outside the separating device box body 43, the water level adjusting plug 40, the bent flow tube 41 and the water outlet tube 42 are arranged in the water level adjusting zone d, when the water level in the separating device box body 43 rises or falls, the water level adjusting plug 40 can be adjusted to a proper water level, at the, and is discharged through a water outlet pipe 42. The outer side of the bottom of the device is provided with a supporting leg.

The working principle of the coagulation air flotation copolymerization quick separation device of the embodiment comprises the following steps:

A. and (3) adding and mixing a medicine: coagulant and pH regulator are sucked by the sewage pump under the self-priming action, the dosing amount is controlled by a flow meter, liquid medicine is mixed with sewage through the high-speed rotary cutting of an impeller of the water pump, a water outlet pipe is connected with the flow meter, an adjusting valve, a pressure gauge and a sampling faucet, and coagulant aid is added to a dosing point in a mixing reaction system under the control of the adjusting valve;

B. the multiple medium pump dissolves the gas system: the water inlet pipe of the dissolved air pump is connected with the connecting point of the water outlet pipe of the sewage pump, the flow is controlled by a valve, the dissolved air pump sucks an air inlet nozzle on the pipeline parallel to the dissolved air pump, air is quantified by a short-term flowmeter and an adjusting valve, the air is repeatedly cut by the sewage pump, so that the gas is dispersed and dissolved into the sewage, the pressure is maintained within the range of 0.2-0.3Mpa, the water outlet pipe of the dissolved air water is connected with the flowmeter, the adjusting valve, a pressure gauge and a sampling water tap and is converged with the front end of a dosing point of a water outlet pipe of the sewage pump, the dosed sewage and the dissolved air water are mixed and reacted together through a coagulant aid added at the dosing point of the connected coagulant aid to form a copolymerization compound.

C. Copolymerization reaction system: adding the dissolved water after adding the chemicals and mixing into the bottom of a copolymerization reactor box body of a copolymerization reaction area to flow from bottom to top, simultaneously adding PAM (polyacrylamide) into the middle part of the copolymerization reactor box body under the control of a coagulant aid adding pipe, and under the driving of a stirrer, under the action of a stirring rod and a stirring blade, enabling the added coagulant aid PAM water and gas to be quickly and uniformly and effectively mixed to form a copolymerization compound body of larger bubbles and floccules, and overflowing into solid-liquid separation through a guide pipe to be separated.

D. A solid-liquid separation system: after the liquid medicine is mixed and flocculated, a mixture of the bubble and the floccule copolymerization complex with larger grain diameter is formed and overflows through a guide pipe to enter a solid-liquid separation zone, the guide pipe feeds water into the center of an inverted cone formed by the upper end of the solid-liquid separation zone and surrounded by a partition plate, the lower end of the inverted cone is connected with the upper end of a sludge collecting pipe, after mixed liquid enters the sludge collecting pipe, the density of the bubble and the floccule copolymerization complex with larger grain diameter is larger than that of the particles in the original sewage, the bubble and the floccule copolymerization complex with larger grain diameter is automatically lifted to the top of the separation zone to form a scum layer so as to realize quick solid-liquid separation, and scum; and the bottom mud is removed through a bottom emptying pipe and a valve; the separated purified water overflows to a purified water collecting region from an overflow port at the upper end of the collecting pipe, a perforated water collecting pipe is installed at the lower part of the purified water collecting region and is connected with the lower end of a water outlet pipe, the discharged water enters a water level adjusting region at the outer side of the box body of the separating device through the water outlet pipe, a water level adjusting plug is closed after the proper water level is adjusted, the water flows out from the bent flow pipe, and the purified water is discharged through a water discharging outlet pipe.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A coagulation air-flotation copolymerization quick separation device is characterized by comprising a sewage pool (1), a sewage inlet pipe (2), an acid-base adding pipe (4), a coagulant adding pipe (5), a sewage pump (6), a first connecting pipe (11), a first water discharge pipe, a dissolved air pump (20), an air inlet nozzle (19), a second water discharge pipe, a first coagulant aid adding pipe (26), a copolymerization reactor box body (44), a second coagulant aid adding pipe (28), a stirrer (30), a stirring rod (31), a guide pipe (34), a separation device box body (43), a partition plate (35), a settled sludge collecting pipe (36), a scum collecting tank (37), a purified water collecting pipe (38), a third connecting pipe (39), a purified water collecting box and a water outlet pipe (42); one end of the sewage inlet pipe (2) is positioned in the sewage pool (1), the other end of the sewage inlet pipe is connected with a water inlet of the sewage pump (6), the acid-base adding pipe (4) and the coagulant adding pipe (5) are connected into the sewage inlet pipe (2), one end of the first connecting pipe (11) is connected with a water outlet of the sewage pump (6), the other end of the first connecting pipe is positioned at the lower part of the copolymerization reactor box body (44), one end of the first water discharge pipe is connected with a water outlet of the sewage pump (6), the other end of the first water discharge pipe is connected with a water inlet of the dissolved air pump (20), the air inlet nozzle (19) is connected with an air inlet of the dissolved air pump (20), one end of the second water discharge pipe is connected with a water outlet of the dissolved air pump (20), the other end of the second water discharge pipe is connected with the first connecting pipe (11), the first coagulant adding pipe (26) is connected into the first, the second coagulant aid adding pipe (28) is connected to the middle part of the copolymerization reactor box body (44), a stirring rod (31) of the stirrer (30) is positioned in the copolymerization reactor box body (44), the partition plate (35) and the sludge settling collecting pipe (36) are arranged in the separation device box body (43), the partition plate is in an inverted cone shape with an upper opening and a lower opening, an upper opening of the sludge settling collecting pipe (36) corresponds to a lower opening of the partition plate (35) and is provided with a gap, one end of the flow guide pipe (34) is connected with the upper end of the copolymerization reactor box body (44), the other end of the flow guide pipe is positioned at the central position of the partition plate (35), a scum collecting tank (37) is arranged at the upper part of the separation device box body (43), one end of the water purifying collecting pipe (38) is positioned at the lower part of the separation device box body (43), and the other end of the water purifying collecting pipe is connected with the water purifying collecting, the water outlet pipe (42) is connected with the bottom of the purified water collecting box.

2. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein the sewage inlet pipe (2), the acid-base adding pipe (4) and the coagulant adding pipe (5) are respectively provided with an adjusting valve.

3. The coagulation air-flotation copolymerization rapid separation device as claimed in claim 1, wherein the first coagulant aid addition pipe (26) is provided with one regulating valve, and the second coagulant aid addition pipe (28) is provided with two regulating valves.

4. The coagulation air-flotation copolymerization rapid separation device as claimed in claim 1, wherein the first connecting pipe (11) is provided with a regulating valve, a flow meter, a regulating valve, a sampling faucet and a regulating valve in sequence.

5. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein the first drain pipe is connected with a second connecting pipe (14), the second connecting pipe (14) is provided with a regulating valve, the first drain pipe is provided with regulating valves on both sides of the joint with the second connecting pipe (14), the first drain pipe is further provided with a pressure gauge, the second drain pipe is provided with a regulating valve, a flow meter, a pressure gauge, a sampling faucet and a regulating valve in sequence, and the air inlet nozzle (19) is provided with an air inlet regulating valve (18) and an air flow meter (17).

6. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein a first stirring blade (33) is provided at the lower part of the stirring rod (31), and a second stirring blade (32) is provided at the middle part of the stirring rod (31).

7. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein the lower part of the scum collection tank (37) is provided with a scum outlet pipe (45).

8. The coagulation air-flotation copolymerization rapid separation device as claimed in claim 1, wherein an evacuation pipe (46) is provided at the lower part of the separation device box (43), and the evacuation pipe (46) is provided with a regulating valve.

9. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein the part of the purified water collection pipe (38) in the separation device box body (43) is a perforated pipe.

10. The coagulation air-flotation copolymerization rapid separation device according to claim 1, wherein a water level adjusting plug (40) and a gulf stream pipe (41) are arranged in the water purification collection tank, and the gulf stream pipe (41) is connected with the third connecting pipe (39).