CN214781335U

CN214781335U - Bleaching and dyeing wastewater treatment device without excess sludge

Info

Publication number: CN214781335U
Application number: CN202120368618.9U
Authority: CN
Inventors: 何睦盈; 毕永锐; 黎锋; 蔡耿林; 刁锐祺
Original assignee: Guangzhou Meiya Energy Saving And Environmental Protection Co ltd
Current assignee: Guangzhou Meiya Energy Saving And Environmental Protection Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-19
Anticipated expiration: 2031-02-08

Abstract

The utility model relates to a water treatment technical field discloses a no excess sludge's bleaching and dyeing effluent treatment plant, including filtering the equalizing basin, anaerobism pond and aerobic tank, filter the equalizing basin and communicate with each other with the bottom in anaerobism pond, the anaerobism pond communicates with each other with the top in good oxygen pond, the anaerobism pond is by supreme first filtration adsorbed layer that is equipped with in proper order down, first biological packing layer and first filter bed, good oxygen pond is equipped with the overburden from top to bottom in proper order, the second filter bed, second biological packing layer and second filter the adsorbed layer, the second filters and is equipped with in the adsorbed layer with the communicating permeability cell of external environment, plant the plant on the overburden. Waste water is through six grades of filtration and decomposition, can greatly reduce the pollutant in the waste water, and good oxygen, facultative, oxygen deficiency and anaerobic microorganisms coexist, can in time clear up the result of decomposition, makes the decomposition process continuously go on, has self-healing ability, and the pollutant is detained in ecosystem, does not produce mud in addition. In addition, the participated equipment is few, the energy consumption is low, the use is convenient, and the maintenance cost is low.

Description

Bleaching and dyeing wastewater treatment device without excess sludge

Technical Field

The utility model relates to a water treatment technical field especially relates to a no excess sludge's bleaching and dyeing effluent treatment plant.

Background

The dye varieties used all over the world at present are tens of thousands, and the bleaching and dyeing wastewater mainly contains dye, slurry, auxiliary agent, oil agent, acid and alkali, fiber impurities, inorganic salt and the like, and has the characteristics of complex components, multiple changes, high concentration, high chroma, strong toxicity, difficult degradation and large water quality variation range. The existing bleaching and dyeing wastewater treatment method is that bleaching and dyeing wastewater is coagulated through material resources, biology and chemistry and then is treated through secondary chemistry, so that the recycling standard of the bleaching and dyeing industry is achieved, but the treatment method is not only complex, but also generates a large amount of economic loss.

Chinese utility model patent CN207811509U (published as 2018 09.04) discloses a bleaching and dyeing sewage treatment device, which comprises a treatment device and a filtering device, wherein the treatment device comprises an adjusting tank, a hydrolysis and acidification tank, a membrane biological reaction tank, a sludge tank, a disinfection tank and a clean water tank, the hydrolysis and acidification tank is arranged on the right side of the adjusting tank, the hydrolysis and acidification tank is welded and fixed with the adjusting tank, the membrane biological reaction tank is arranged on the right side of the hydrolysis and acidification tank, and the membrane biological reaction tank is welded and fixed with the hydrolysis and acidification tank; add mechanical grid on the sewage treatment plant who bleaches, be provided with the filter in the membrane biological reaction pond, can further filter quality of water when sewage gets into the disinfection pond, can make the water that enters into in the disinfection pond cleaner like this, add the medicament toward the disinfection pond, kill the pathogenic microorganism of handling back sewage in, make the sewage that bleaches reach emission standard. The patent adopts a hydrolysis acidification tank and a membrane biological reaction tank to further purify the sewage from which large particles are removed. Hydrolysis oxidation pond carries out hydrolysis acidification through adding anaerobic microorganisms, but hydrolysis acidification reaction process is slow, and the dwell time that makes sewage stop in the pond is long, and is inefficient, still needs adjust according to the environmental conditions, and equipment use is inconvenient, and sewage rivers still need guarantee not deposit of mud moreover, activated sludge does not run off, and technical requirement is high, and activated sludge inevitably along with sewage discharge hydrolysis oxidation pond, and the number of times of use is limited, uses for a long time and can influence the effect. The membrane biological reaction tank has high manufacturing cost, the surface of the membrane needs to be continuously washed away in the using process, the energy consumption is high, the membrane pollution is easy to appear, and the operation and the management are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bleaching and dyeing wastewater treatment device which has low energy consumption and convenient use and has no excess sludge.

In order to realize the above-mentioned purpose, the utility model provides a no excess sludge's bleaching and dyeing effluent treatment plant, including filtering equalizing basin, anaerobism pond and good oxygen pond, filter the equalizing basin with the bottom in anaerobism pond communicates with each other, the anaerobism pond with the top in good oxygen pond communicates with each other, the anaerobism pond is by supreme first filtration adsorbed layer, first biological packing layer and the first filter bed of being equipped with in proper order down, good oxygen pond is equipped with overburden, second filter bed of material, second biological packing layer and second in proper order from top to bottom and filters the adsorbed layer, the second filters the adsorbed layer in and is equipped with the communicating permeability cell with external environment, plant on the overburden.

Preferably, a cobble layer is further arranged in the anaerobic tank and is arranged below the first filtering and adsorbing layer.

Preferably, a first filter cloth is arranged between the first filtering and adsorbing layer and the cobble layer.

Preferably, a drain pipe is arranged in the aerobic tank, a plurality of drain holes are formed in a pipe body of the drain pipe, the drain pipe is arranged below the second filtering and adsorbing layer, and second filter cloth is arranged between the second filtering and adsorbing layer and the drain pipe.

Preferably, a first rattan cotton layer is arranged between the first filter material layer and the first biological filler layer.

Preferably, a second rattan cotton layer is arranged between the second filter material layer and the second biological filler layer.

Preferably, the first filtering and adsorbing layer and the second filtering and adsorbing layer are both quartz sand and a carbon powder layer, the first biological filler layer and the second biological filler layer are both spherical biological filler layers, and the first filter material layer and the second filter material layer are both quartz sand layers.

As a preferred scheme, a plurality of water distribution pipes are arranged in the aerobic tank, the water distribution pipes are uniformly laid above the covering layer, and a plurality of water distribution holes are formed in pipe bodies of the water distribution pipes.

Preferably, the thickness of the first biological filler layer is greater than that of the first filtering and adsorbing layer, and the thickness of the first filtering and adsorbing layer is greater than that of the first filter material layer.

Preferably, the device also comprises a clean water tank, a baffle plate for dividing the clean water tank into a first clean water tank and a second clean water tank is arranged in the clean water tank, and a weir plate capable of moving up and down is connected to the baffle plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model connects the filtration regulating tank with the bottom of the anaerobic tank, and connects the top of the anaerobic tank with the aerobic tank, so that the wastewater can be removed with large particles and the water quality can be balanced through the filtration regulating tank; the first biological packing layer can filter, adsorb and precipitate insoluble organic matters, is decomposed by anaerobic microorganisms to improve the removal rate of COD, and converts organic matters which are difficult to degrade into organic matters which are easy to degrade so as to facilitate the continuous decomposition of the aerobic pool, the first filter material layer assists to form an anaerobic environment, and the first biological packing layer can still be subjected to the continuous anaerobic decomposition after the wastewater flows out; waste water flows from top to bottom in the aerobic tank, the pollutant can be held back and the biomembrane can be formed to decompose in the first filtering material layer, second biological packing layer is in the sufficient environment of oxygen under the effect of permeability cell, and the aerobe carries out oxidative decomposition, and the second filters the decomposition product in the adsorbed wastewater, makes the aquatic water matter good. The utility model discloses an ecosystem purifies, and waste water passes through six grades of filtration and decomposes, can greatly reduce the pollutant in the waste water, and good oxygen, compatible oxygen, oxygen deficiency and anaerobic microorganisms coexist, can in time clear up the result of decomposition, makes the decomposition process continuously go on to have self-repairing ability, it is adjustable to pollute, and the pollutant is detained in ecosystem in addition, does not produce mud in addition, need not to handle surplus mud in addition. Additionally, the utility model discloses the equipment of participation is few, and the energy consumption is low, convenient to use, and the maintenance cost is low.

Drawings

FIG. 1 is a schematic structural view of a bleaching and dyeing wastewater treatment device without excess sludge according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an anaerobic tank according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of an aerobic tank according to an embodiment of the present invention.

In the figure, 100-filtration regulating reservoir; 110-a grid; 200-an anaerobic tank; 210-a first filtering and adsorbing layer; 220-first bio-filler layer; 230-a first filter material layer; 240-cobblestone layer; 250-a water inlet pipe; 260-a first filter cloth; 270-a first rattan cotton layer; 280-a water outlet pipe; 300-an aerobic tank; 310-a cover layer; 320-a second filter material layer; 330-a second bio-filler layer; 340-a second filtering and adsorbing layer; 350-ventilating pipe; 360-a drain pipe; 370-a second filter cloth; 380-a second rattan cotton layer; 390-water distribution pipe; 400-a blower; 500-clean water pool; 510-a baffle; 520-weir plate.

Detailed Description

The following detailed description of the embodiments of the present invention is provided 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," "second," and "third" 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 to 3, the utility model discloses a no excess sludge bleaching and dyeing wastewater treatment device of preferred embodiment, including filtering equalizing basin 100, anaerobism pond 200 and good oxygen pond 300, filtering equalizing basin 100 communicates with each other with the bottom of anaerobism pond 200, anaerobism pond 200 communicates with each other with the top of good oxygen pond 300, anaerobism pond 200 is equipped with first filtration adsorbed layer 210 from lower to upper in proper order, first biological packing layer 220 and first filter material layer 230, good oxygen pond 300 is equipped with overburden 310 from top to bottom in proper order, second filter material layer 320, second biological packing layer 330 and second filtration adsorbed layer 340, be equipped with in the second filtration adsorbed layer 320 with the communicating permeability cell 350 of external environment, the plant has been planted on overburden 310. In this embodiment, the filtration and regulation tank 100 is communicated with the bottom of the anaerobic tank 200, and the top of the anaerobic tank 200 is communicated with the aerobic tank 300, so that the wastewater passes through the filtration and regulation tank 100 to remove large particles and balance the water quality; the wastewater flows upwards in the anaerobic tank 200 from the bottom of the tank, pollutants can be further intercepted and adsorbed through the first filtering and adsorbing layer 210, the color of the wastewater is removed, the removal effect on COD, ammonia nitrogen and turbidity in the water is good, the wastewater has a deodorization function, the first biological filler layer 220 can filter, adsorb and precipitate insoluble organic matters, the removal rate of the COD is improved through anaerobic microbial decomposition, organic matters which are difficult to degrade are converted into organic matters which are easy to degrade, so that the aerobic tank is decomposed continuously, the first filter material layer 230 assists in forming an anaerobic environment, and after the wastewater flows out, the first biological filler layer 220 can be decomposed continuously in an anaerobic manner; the wastewater flows from top to bottom in the aerobic tank 300, the first filter material layer 230 can intercept pollutants and can form a biological membrane for decomposition, the second biological filler layer 330 is in an environment with sufficient oxygen under the action of the vent pipe 350, the aerobic organisms are subjected to oxidative decomposition, and the second filtering and adsorbing layer 340 can filter and adsorb decomposition products in the wastewater, so that the effluent quality is good. This embodiment adopts ecosystem to purify, and waste water passes through six grades of filtration and decomposes, can greatly reduce the pollutant in the waste water, and good oxygen, compatible oxygen, oxygen deficiency and anaerobic microorganisms coexist, can in time clear up the result of decomposition, makes the decomposition process continuously go on to have self-repairing ability, it is adjustable to pollute, and the pollutant is detained in ecosystem in addition, does not produce mud in addition, need not to handle surplus mud in addition. In addition, the embodiment has the advantages of less involved equipment, low energy consumption, convenient use and low maintenance cost. In addition, the filtering and adsorbing layer, the biological filler layer, the filter material layer and the covering layer are convenient for the formation and the stabilization of the biological membranes, and the wastewater keeps flowing in the anaerobic tank 200 and the aerobic tank 300 and can be fully contacted with the biological membranes, so that the retention time is short, and the purification efficiency is high. The ventilation pipe 350 of this embodiment includes a plurality of first pipe sections uniformly distributed on the second filtering and adsorbing layer 320 and a second pipe section arranged along the height direction of the aerobic tank 200, the plurality of first pipe sections are all connected with the second pipe section, the top end of the second pipe section extends above the covering layer 310, and the second pipe section is connected with the blower 400.

Further, a cobble layer 240 is further arranged in the anaerobic tank 200, and the cobble layer 240 is arranged below the first filtering and adsorbing layer 210, so that the water inlet resistance of the anaerobic tank 200 is reduced. In this embodiment, a plurality of water inlet pipes 250 are arranged in the pebble layer 240, the plurality of water inlet pipes 250 are uniformly distributed in the same plane, and a plurality of water inlet holes are formed in the pipe body of the water inlet pipe 250, so that wastewater can uniformly flow upwards, and the utilization rate of the anaerobic tank 200 is improved. A plurality of water outlet pipes 390 are arranged above the first filter material layer 230, the water outlet pipes 390 are uniformly laid above the first filter material layer 230, and the water outlet pipes 390 are communicated with the aerobic tank 300. In this embodiment, the first filter cloth 260 is disposed between the first filtering and adsorbing layer 210 and the cobble layer 240, and the first filter cloth 260 can efficiently intercept and filter, reduce pollutants such as suspended matters and organic matters entering a subsequent ecosystem, reduce the blockage phenomenon of the matrix, improve the hydraulic load of the ecosystem, and reduce the floor space of the system. The filter cloth is replaceable and can be cleaned. The aerobic tank 300 of this embodiment is provided with a drain pipe 360, the body of the drain pipe 360 is provided with a plurality of drain holes, the drain pipe 360 is arranged below the second filtering and adsorbing layer 210, and a second filter cloth 370 is arranged between the second filtering and adsorbing layer 210 and the drain pipe 360, so that the substrate of the second filtering and adsorbing layer 210 can be prevented from being washed away, and the final filtering can be performed, so that the effluent is clarified, and the drain holes of the drain pipe 360 can be prevented from being blocked. In addition, a first rattan cotton layer 270 is arranged between the first filter material layer 230 and the first bio-filler layer 220. A second rattan cotton layer 380 is arranged between the second filter material layer 320 and the second biological filler layer 330. The rattan cotton layer can improve water quality, filter and clean, is a hotbed for culturing nitrobacteria, is beneficial to nitrification and denitrification, and has physical and biochemical filtering effects.

Optionally, in this embodiment, the first filtering and adsorbing layer 210 and the second filtering and adsorbing layer 340 are both quartz sand and a carbon powder layer, the first biological filler layer 220 and the second biological filler layer 330 are both spherical biological filler layers, and the first filter material layer 230 and the second filter material layer 320 are both quartz sand layers. The quartz sand has good and stable filtering effect, is not easy to corrode, and has strong carbon powder adsorption capacity. The spherical biological filler adopts a full three-dimensional structure, has large specific surface area, is directly put in, does not need to be fixed, is easy to be filmed and is not blocked.

In addition, a plurality of water distribution pipes 390 are arranged in the aerobic tank 300, the water distribution pipes 390 are uniformly laid above the covering layer 310, and a plurality of water distribution holes are formed in the pipe body of each water distribution pipe 390, so that the impact force of water flow can be reduced, the structure of the aerobic tank 300 is kept stable, wastewater can be uniformly infiltrated everywhere, and the utilization rate is improved. The thickness of the first bio-filler layer 220 of this embodiment is greater than the thickness of the first filtering and adsorbing layer 210, the thickness of the first filtering and adsorbing layer 210 is greater than the thickness of the first filter material layer 230, the thickness of the second bio-filler layer 330 is greater than the thickness of the second filtering and adsorbing layer 340, and the thickness of the second filtering and adsorbing layer 340 is greater than the thickness of the second filter material layer 320, so that more microorganisms are used for decomposition, and the filtering effect is good.

In this embodiment, still include clean water basin 500, be equipped with in the clean water basin 500 and divide into its baffle 510 of first clean water basin and second clean water basin, be connected with the weir plate 520 that can reciprocate on the baffle 510, can realize the stability control to liquid level in the cell body, when discharge is great, weir plate 520 descends to make the clear water displacement grow of cell body, and then make the liquid level in the cell body can stabilize at a take the altitude. In addition, the filtration and adjustment tank 100 of the present embodiment is provided with a grating 110.

To sum up, the embodiment of the utility model provides a bleaching and dyeing wastewater treatment device without excess sludge, which connects the filtration and regulation tank 100 with the bottom of the anaerobic tank 200, and connects the top of the anaerobic tank 200 with the aerobic tank 300, so that the wastewater can be removed with large particles and the water quality can be balanced through the filtration and regulation tank 100; the wastewater flows upwards in the anaerobic tank 200 from the bottom of the tank, pollutants can be further intercepted and adsorbed through the first filtering and adsorbing layer 210, the color of the wastewater is removed, the removal effect on COD, ammonia nitrogen and turbidity in the water is good, the wastewater has a deodorization function, the first biological filler layer 220 can filter, adsorb and precipitate insoluble organic matters, the removal rate of the COD is improved through anaerobic microbial decomposition, organic matters which are difficult to degrade are converted into organic matters which are easy to degrade, so that the aerobic tank is decomposed continuously, the first filter material layer 230 assists in forming an anaerobic environment, and after the wastewater flows out, the first biological filler layer 220 can be decomposed continuously in an anaerobic manner; the wastewater flows from top to bottom in the aerobic tank 300, the first filter material layer 230 can intercept pollutants and can form a biological membrane for decomposition, the second biological filler layer 330 is in an environment with sufficient oxygen under the action of the vent pipe 350, the aerobic organisms are subjected to oxidative decomposition, and the second filtering and adsorbing layer 340 can filter and adsorb decomposition products in the wastewater, so that the effluent quality is good. This embodiment adopts ecosystem to purify, and waste water passes through six grades of filtration and decomposes, can greatly reduce the pollutant in the waste water, and good oxygen, compatible oxygen, oxygen deficiency and anaerobic microorganisms coexist, can in time clear up the result of decomposition, makes the decomposition process continuously go on to have self-repairing ability, it is adjustable to pollute, and the pollutant is detained in ecosystem in addition, does not produce mud in addition, need not to handle surplus mud in addition. In addition, the embodiment has the advantages of less involved equipment, low energy consumption, convenient use and low maintenance cost. In addition, the filtering and adsorbing layer, the biological filler layer, the filter material layer and the covering layer are convenient for the formation and the stabilization of the biological membranes, and the wastewater keeps flowing in the anaerobic tank 200 and the aerobic tank 300 and can be fully contacted with the biological membranes, so that the retention time is short, and the purification efficiency is high.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a no excess sludge's bleaching and dyeing effluent treatment plant, its characterized in that, including filtering equalizing basin (100), anaerobism pond (200) and good oxygen pond (300), filtering equalizing basin (100) with the bottom of anaerobism pond (200) communicates with each other, anaerobism pond (200) with the top of good oxygen pond (300) communicates with each other, anaerobism pond (200) are equipped with first filtration adsorbed layer (210), first biological packing layer (220) and first filter material layer (230) from bottom to top in proper order, good oxygen pond (300) are equipped with overburden (310), second filter material layer (320), second biological packing layer (330) and second filtration adsorbed layer (340) from top to bottom in proper order, be equipped with in second filtration adsorbed layer (340) and pass through the trachea (350) that communicate with the external environment, plant has the plant on overburden (310).

2. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, characterized in that a cobble layer (240) is further arranged in the anaerobic tank (200), and the cobble layer (240) is arranged below the first filtering and adsorbing layer (210).

3. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 2, characterized in that a first filter cloth (260) is arranged between the first filtering and adsorbing layer (210) and the cobble layer (240).

4. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, wherein a drain pipe (360) is arranged in the aerobic tank (300), a plurality of drain holes are arranged on a pipe body of the drain pipe (360), the drain pipe (360) is arranged below the second filtering and adsorbing layer (340), and a second filter cloth (370) is arranged between the second filtering and adsorbing layer (340) and the drain pipe (360).

5. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, characterized in that a first rattan cotton layer (270) is arranged between the first filter material layer (230) and the first biological filler layer (220).

6. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, characterized in that a second rattan cotton layer (380) is arranged between the second filter material layer (320) and the second biological filler layer (330).

7. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, wherein the first filtering and adsorbing layer (210) and the second filtering and adsorbing layer (340) are both quartz sand and a carbon powder layer, the first biological filler layer (220) and the second biological filler layer (330) are both spherical biological filler layers, and the first filter material layer (230) and the second filter material layer (320) are both quartz sand layers.

8. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, wherein a plurality of water distribution pipes (390) are arranged in the aerobic tank (300), the water distribution pipes (390) are uniformly laid above the covering layer (310), and a plurality of water distribution holes are arranged on the pipe body of the water distribution pipes (390).

9. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, characterized in that the thickness of the first biological filler layer (220) is larger than that of the first filtering and adsorbing layer (210), and the thickness of the first filtering and adsorbing layer (210) is larger than that of the first filter material layer (230).

10. The bleaching and dyeing wastewater treatment device without excess sludge according to claim 1, further comprising a clean water tank (500), wherein a baffle plate (510) for dividing the clean water tank (500) into a first clean water tank (500) and a second clean water tank (500) is arranged in the clean water tank (500), and a weir plate (520) capable of moving up and down is connected to the baffle plate (510).