CN210764863U - Waste paper sewage treatment plant - Google Patents

Abstract

The utility model discloses a waste paper sewage treatment plant, include and have connected gradually sedimentation tank, filtering ponds, air supporting pond, biological reaction pond, aeration tank and reverse osmosis pond through the raceway according to the water purification direction, the filter plate is installed to the lower part in the filtering ponds, install the cavity pivot in the filtering ponds, the cavity pivot is connected with the fan piece, fan piece one side is opened there are a plurality of holes, cavity pivot lower extreme passes through the vacuum pump and is connected with the waste paper groove, the filter membrane is installed to the lower part in the waste paper groove, waste paper tank bottom both sides are passed through the aqueduct and are connected with the filtering ponds bottom, the back flush filter membrane is installed to the lower part in the aeration tank, the aeration tank middle part is passed through the aeration pipe and is connected with air compressor. The utility model discloses can effectively reduce by 95% SS content and COD content in the water, the colourity of water can become the thing colour, has and uses convenient high-efficient, and the practicality is good, green.

Description

Waste paper sewage treatment plant

Technical Field

The utility model relates to a sewage treatment technical field, especially a waste paper sewage treatment plant.

Background

The paper making industry uses wood, straw, reed, rag, etc. as raw materials, and separates out cellulose by high-temperature and high-pressure cooking, and then pulp is made. In the production process, the non-cellulose part in the discharged raw material is finally used as black liquor for papermaking. The black liquor contains lignin, cellulose, volatile organic acid and the like, has odor and strong pollution; and (3) sewage treatment, namely a process of purifying the sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and the waste paper sewage generated by papermaking also needs to be treated, such as the SS content and the COD content of the waste paper sewage.

For example, chinese utility model patent No. 201721036894.5 discloses a papermaking sewage purification unit, including purifying tank, purifying tank's upper end has seted up the water inlet, and purifying tank's inside lower extreme both sides slope is fixed with two filter plates, filter chamber inside is equipped with first filter screen, second filter screen and third filter screen from left to right in proper order.

Although the sewage purification treatment device can filter out larger pollutants in the papermaking sewage, adsorb cellulose in the papermaking sewage, neutralize acidic substances in the papermaking sewage and have a sterilization effect, suspended solids in the papermaking sewage cannot be completely removed in the use process, and meanwhile, the COD content and the chromaticity in the water body cannot be effectively reduced, so that the sewage purification treatment device is inconvenient to use and has lower efficiency.

Disclosure of Invention

The utility model discloses the technical problem that needs to solve provides a waste paper sewage treatment plant, uses the suspension solid that this kind of sewage treatment plant can effectively remove in the sewage, simultaneously, also can effectively reduce COD content and colourity in the water, uses convenient high-efficient.

The utility model provides a technical scheme of above-mentioned technical problem is: the utility model provides a waste paper sewage treatment plant, includes and has connected gradually sedimentation tank, filtering ponds, air supporting pond, biological reaction tank, aeration tank and reverse osmosis pond through the raceway according to the water purification direction, the filter plate is installed to the lower part in the filtering ponds, install the cavity pivot in the filtering ponds, the cavity pivot is connected with the fan piece, it has a plurality of holes to open fan piece one side, cavity pivot lower extreme passes through the vacuum pump and is connected with the waste paper groove, the filter membrane is installed to the lower part in the waste paper groove, waste paper tank bottom both sides are passed through the aqueduct and are connected with the filtering ponds bottom, the back flush filter membrane is installed to the lower part in the aeration tank, the aeration tank middle part is passed through the aeration pipe and.

As an optimal technical scheme of the utility model, the water inlet is connected to the sedimentation tank left end, the baffle is installed to lower part both sides in the sedimentation tank.

As an optimized technical scheme of the utility model, the material case is installed to the air supporting pond top, the material case is filled with flocculating agent and coagulant aid.

As an optimized technical solution of the present invention, the concentration range of the flocculant is: 3-6 mg/L, wherein the concentration range of the coagulant aid is as follows: 15mg/L to 30 mg/L.

As an optimal technical scheme of the utility model, the biological reaction pond is bilayer structure, the controller is installed at biological reaction pond top, the biological reaction pond intussuseption is filled with cellulose degradation fungus or cyanobacteria.

As an optimal technical scheme of the utility model, the reverse osmosis pond includes one-level reverse osmosis tube and second grade reverse osmosis tube, one-level reverse osmosis tube passes through the flange and is connected with second grade reverse osmosis tube, second grade reverse osmosis tube right side and play water piping connection.

As an optimized technical scheme of the utility model, the filter plate is filled with filter screen, active carbon and shale haydite.

As an optimized technical scheme of the utility model, the water pump is installed to the filtering ponds right-hand member.

As an optimized technical scheme of the utility model, the sealing washer is installed to cavity pivot and filter plate junction.

Because the utility model adopts the structure, when in use, after the waste paper sewage is preliminarily precipitated in the sedimentation tank, the upper layer sewage of the sedimentation tank flows into the filtering tank, the hollow rotating shaft drives the fan blades to rotate, the holes on the fan blades suck the fixed particles into the fan blades, the fixed particulate matters in the fan blade are sucked into the waste paper tank through the work of the vacuum pump, water in the waste paper tank flows into the filter tank again through the water guide pipe after being filtered by the filter membrane, the particulate matters in the sewage become precipitates through the action of the flocculating agent and the coagulant aid in the air flotation tank, the organic matters in the water body are decomposed and metabolized in the biological reaction tank in reaction with cellulose degradation bacteria or cyanobacteria, the water body is further reduced by the action SS content of the aeration tank, the COD content and the chroma, finally, clean water can be obtained through the action of the first-level reverse osmosis pipe and the second-level reverse osmosis pipe, and the water body can be recycled through the water outlet pipe. The utility model discloses can effectively reduce by 95% SS content and COD content in the water, the colourity of water can become the thing colour, has and uses convenient high-efficient, and the practicality is good, green.

Drawings

FIG. 1 is a schematic structural view of a waste paper sewage treatment plant of the present invention.

Fig. 2 is a schematic structural view of a fan blade.

Fig. 3 is a schematic structural view of the filter plate.

In the figure: the device comprises a water inlet 1, a water delivery pipe 2, a sedimentation tank 3, a filtering tank 4, an air flotation tank 5, a biological reaction tank 6, an aeration tank 7, a reverse osmosis tank 8, a baffle 9, a hollow rotating shaft 10, a fan blade 11, a filter plate 12, a vacuum pump 13, a waste paper tank 14, a filter membrane 15, a water guide pipe 16, a water pump 17, a material tank 18, a controller 19, a back-flushing filter membrane 20, an aeration pipe 21, an air compressor 22, a primary reverse osmosis pipe 23, a flange 24, a secondary reverse osmosis pipe 25, a hole 26, a filter screen 27, activated carbon 28, shale ceramsite 29, a water outlet pipe 30 and a sealing ring 31.

Detailed Description

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

As shown in fig. 1, the utility model discloses a waste paper sewage treatment plant, by according to the water purification direction through raceway 2 connect gradually sedimentation tank 3, filtering ponds 4, air supporting pond 5, biological reaction tank 6, aeration tank 7 and reverse osmosis tank 8 constitute, filter plate 12 is installed to the lower part in the filtering ponds 4, install cavity pivot 10 in the filtering ponds 4, cavity pivot 10 is connected with fan piece 11, as shown in fig. 2, open fan piece 11 one side has a plurality of holes 26, cavity pivot 10 lower extreme passes through vacuum pump 13 and is connected with waste paper groove 14, filter membrane 15 is installed to the lower part in waste paper groove 14, waste paper groove 14 bottom both sides are passed through aqueduct 16 and are connected with filtering ponds 4 bottom, back flush filter membrane 20 is installed to the lower part in the aeration tank 7, aeration tank 7 middle part is passed through aeration pipe 21 and is connected with air compressor 22. The holes 26 can suck the particles in the filter tank 4 into the fan blades 11, and then the particles are sucked into the waste paper groove 14 under the action of the vacuum pump 13, so that the filtering pressure of the filter plate 12 is reduced; the impurities in the water body can be filtered out under the action of the backwashing filter membrane 20, and the use is convenient and efficient.

As shown in figure 1, the left end of the sedimentation tank 3 is connected with a water inlet 1, and baffles 9 are arranged on two sides of the middle lower part of the sedimentation tank 3. After sewage got into sedimentation tank 3, the large granule solid sinks through the action of gravity, falls into the cavity under baffle 9, and baffle 9 can avoid driving the large granule solid and move together because of the flow of water to avoid the large granule solid to flow and increase purification pressure in the subsequent purification tank, use convenient high efficiency.

As shown in fig. 1, a material tank 18 is installed at the top of the air flotation tank 5, the material tank 18 is filled with a flocculating agent and a coagulant aid, and the concentration range of the flocculating agent is as follows: 3-6 mg/L, wherein the concentration range of the coagulant aid is as follows: 15mg/L to 30 mg/L. The flocculating agent and the coagulant aid are matched in the air floatation tank 5 for use, so that suspended solids in the water body can be effectively precipitated, the SS content in the water body can be effectively reduced, the water purification effect is achieved, and the use is convenient and efficient.

As shown in fig. 1, the biological reaction tank 6 is a double-layer structure, a controller 19 is installed at the top of the biological reaction tank 6, and cellulose-degrading bacteria or cyanobacteria are filled in the biological reaction tank 6. The biological reaction tank 6 is of a double-layer structure, can continuously maintain high efficiency for enzyme explanation of organic matters in the water body at a lower temperature in winter, and has high use efficiency.

As shown in FIG. 1, the reverse osmosis tank 8 comprises a primary reverse osmosis pipe 23 and a secondary reverse osmosis pipe 25, wherein the primary reverse osmosis pipe 23 is connected with the secondary reverse osmosis pipe 25 through a flange 24, and the right side of the secondary reverse osmosis pipe 25 is connected with a water outlet pipe 30. The high-purity water can be obtained through the treatment of the first-stage reverse osmosis pipe 23 and the second-stage reverse osmosis pipe 25, the water recycling standard is reached, the water resource is saved, the economic benefit of an enterprise is further improved, and the use is convenient and efficient.

As shown in fig. 3, the filter plate 12 is filled with a filter screen 27, activated carbon 28 and shale ceramisite 29. The activated carbon 28 and the shale ceramisite 29 can adsorb fine particles and chromaticity in the water body, so that the purification effect is achieved.

As shown in fig. 1, a water pump 17 is installed at the right end of the filtering tank 4. The water pump 17 can accelerate the water body to enter the air floatation tank 5, shorten the purification time and improve the purification efficiency.

As shown in fig. 1, a sealing ring 31 is installed at the joint of the hollow rotating shaft 10 and the filter plate 12. The solid suspended solid that sealing washer 31 can avoid in the sewage gets into cavity pivot 10 and filter plate 12 junction to avoid blockking up cavity pivot 10 and filter plate 12 junction because of solid suspended solid, shorten the life of cavity pivot 10, simultaneously, also avoid in the sewage gets into the water after the filtration, increase the sequent pressure of purifying, it is convenient to use.

The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and practical alternatives to and equivalents of the various components of the embodiments are known to those of ordinary skill in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other elements, materials, and components, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the spirit or essential characteristics of the invention.

Claims (9)

1. The utility model provides a waste paper sewage treatment plant, includes according to the water purification direction and has connected gradually sedimentation tank (3), filtering ponds (4), air supporting pond (5), biological reaction pond (6), aeration tank (7) and reverse osmosis tank (8) through raceway (2), characterized by: filter plate (12) are installed to lower part in filtering ponds (4), install cavity pivot (10) in filtering ponds (4), cavity pivot (10) are connected with fan piece (11), open fan piece (11) one side has a plurality of holes (26), cavity pivot (10) lower extreme passes through vacuum pump (13) and is connected with waste paper groove (14), filter membrane (15) are installed to waste paper groove (14) middle and lower part, waste paper groove (14) bottom both sides are passed through aqueduct (16) and are connected with filtering ponds (4) bottom, back flush filter membrane (20) are installed to aeration tank (7) middle and lower part, aeration tank (7) middle part is passed through aeration pipe (21) and is connected with air compressor (22).

2. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: the water inlet (1) is connected to sedimentation tank (3) left end, baffle (9) are installed to lower part both sides in sedimentation tank (3).

3. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: and a material tank (18) is arranged at the top of the air floatation tank (5), and a flocculating agent and a coagulant aid are filled in the material tank (18).

4. A waste paper sewage treatment apparatus as claimed in claim 3, wherein: the concentration range of the flocculant is as follows: 3-6 mg/L, wherein the concentration range of the coagulant aid is as follows: 15mg/L to 30 mg/L.

5. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: the biological reaction tank (6) is of a double-layer structure, a controller (19) is installed at the top of the biological reaction tank (6), and cellulose degrading bacteria or cyanobacteria are filled in the biological reaction tank (6).

6. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: reverse osmosis pond (8) are including one-level reverse osmosis pipe (23) and second grade reverse osmosis pipe (25), one-level reverse osmosis pipe (23) are connected with second grade reverse osmosis pipe (25) through flange (24), second grade reverse osmosis pipe (25) right side is connected with outlet pipe (30).

7. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: the filter plate (12) is filled with a filter screen (27), activated carbon (28) and shale ceramisite (29).

8. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: and a water pump (17) is arranged at the right end of the filtering tank (4).

9. A waste paper sewage treatment apparatus as claimed in claim 1, wherein: and a sealing ring (31) is arranged at the joint of the hollow rotating shaft (10) and the filter plate (12).

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