CN112125482B - Energy-efficient sewage treatment plant - Google Patents

Energy-efficient sewage treatment plant Download PDF

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Publication number
CN112125482B
CN112125482B CN202011307766.6A CN202011307766A CN112125482B CN 112125482 B CN112125482 B CN 112125482B CN 202011307766 A CN202011307766 A CN 202011307766A CN 112125482 B CN112125482 B CN 112125482B
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tank
gas
purifying
liquid mixing
mixing pipe
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CN202011307766.6A
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CN112125482A (en
Inventor
李昕
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Changsha Australia Environmental Protection Technology Co.,Ltd.
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Changsha Australia Environmental Protection Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention provides a high-efficiency energy-saving sewage treatment device, which comprises a flocculation precipitation tank, a purification treatment tank, a disinfection treatment tank, a clear water storage tank, a flocculant storage tank, a gas-liquid mixing pipe and a purifying agent storage tank, wherein the flocculation precipitation tank is arranged in the purification treatment tank; the flocculation precipitation tank is connected with the purification treatment tank; the purification treatment box is arranged at the upper end of the disinfection treatment box; the bottom of the purification treatment box is provided with a drain valve which is aligned with the disinfection treatment box; the disinfection treatment box is connected with the clear water storage box; the head end of the gas-liquid mixing pipe is internally provided with an impeller, and the tail end of the gas-liquid mixing pipe is connected with a flocculation precipitation tank; the flocculating agent storage tank is connected with the gas-liquid mixing pipe; a plurality of layers of necking openings are arranged in the gas-liquid mixing pipe; the gas-liquid mixing pipe is connected with a plurality of gas supply pipes; each gas supply pipe is positioned at the rear side of each necking; the purifying agent storage box is positioned above the purifying treatment box; a purifying ball is arranged in the purifying agent storage tank; the purifying ball sequentially comprises a ball shell, an oil absorption layer and a purifying agent core from outside to inside; the surface of the purifying ball is distributed with pores which extend into the purifying agent core; the spherical shell is a plastic shell; the density of the scavenger core is greater than the density of water.

Description

Energy-efficient sewage treatment plant
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a high-efficiency and energy-saving sewage treatment device.
Background
With the development of society, more and more sewage is generated in human production and life, and if the sewage is directly discharged into the nature without any treatment, huge damage can be caused to the water environment, and the health of human can be influenced. The sewage treatment refers to a process of purifying sewage to meet the water quality requirement of drainage or reuse, and is classified according to sewage sources, and the sewage treatment is generally classified into production sewage treatment and domestic sewage treatment.
At present, the miniature sewage treatment device on the market generally only has precipitation, disinfection function, and sewage treatment effect is limited, therefore, needs new sewage treatment device in order to satisfy the demand of market diversification are urgently awaited in the field.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a high-efficiency and energy-saving sewage treatment device, which comprises a flocculation precipitation tank, a purification treatment tank, a disinfection treatment tank, a clear water storage tank, a flocculating agent storage tank, a gas-liquid mixing pipe and a purifying agent storage tank;
the flocculation precipitation tank is connected with the purification treatment tank through a pipeline with a water pump; the purification treatment box is arranged at the upper end of the disinfection treatment box; the bottom of the purification treatment box is provided with a drain valve; the drain valve is aligned with the disinfection treatment box; the disinfection treatment box is connected with the clean water storage box;
an impeller is arranged in the head end of the gas-liquid mixing pipe, and the tail end of the gas-liquid mixing pipe is connected with the flocculation precipitation tank; the impeller is connected to the motor; the discharge port of the flocculant storage tank is connected with the gas-liquid mixing pipe; a plurality of layers of necking openings are arranged in the gas-liquid mixing pipe; the gas-liquid mixing pipe is connected with a plurality of gas supply pipes; each said gas supply tube being located rearwardly of each said neck reduction;
the discharge port of the purifying agent storage box is positioned above the purifying treatment box; a plurality of purifying balls are arranged in the purifying agent storage tank; the purifying ball sequentially comprises a ball shell, an oil absorption layer and a purifying agent core from outside to inside; the surface of the purifying ball is distributed with fine holes which extend into the purifying agent core; the spherical shell is a plastic shell; the scavenger core has a density greater than the density of water.
Furthermore, the spherical shell is of a split structure and comprises an upper hemispherical shell and a lower hemispherical shell; the upper hemispherical shell and the lower hemispherical shell are fixedly bonded.
Furthermore, a plurality of hollow cavities are distributed in the spherical shell.
Further, the oil absorption layer is an oil absorption felt; the oil absorption layer is adhered to the spherical shell.
Further, a filter pipe is connected between the disinfection treatment box and the clean water storage box.
Furthermore, a sand stone layer, a fine sand layer, an activated carbon layer and a filter screen layer are arranged in the filter pipe.
Further, bleaching powder, ferrous sulfate or sodium carbonate is adopted as the purifying agent core.
Further, a buffer plate is arranged in the disinfection treatment box; the buffer plate is positioned below the drain valve.
Compared with the prior art, the efficient and energy-saving sewage treatment device provided by the invention has the following characteristics:
1. the special gas-liquid mixing pipe is designed, and a flocculating agent is conveyed to the flocculation settling tank through the gas-liquid mixing pipe for flocculation treatment; when the device is used, air is pumped into the gas-liquid mixing pipe by the gas supply pipe, the air is discharged into sewage along with a flocculating agent, oxygen is brought into the sewage by the air, the oxygen content of the sewage is improved, an oxygen environment is provided for the sewage, and the purpose of enhancing the contact of organic matters in the tank with microorganisms and dissolved oxygen is fulfilled, so that the oxidative decomposition of the microorganisms in the tank on the organic matters in the sewage is ensured under the condition of sufficient dissolved oxygen; in addition, a necking port is arranged in the gas-liquid mixing pipe, fluid enters the small-caliber pipe from the large-caliber pipe according to the Venturi tube effect, the flow velocity of the fluid is increased, the flow velocity of a flocculating agent is increased after passing through the necking port to generate a turbulence effect, the gas supply pipe is arranged at the special arrangement of the rear side of the necking port, and the fluid can generate abundant micro-bubble flow at the position by utilizing the synergistic effect generated by the special arrangement of the two, when the micro-bubble flow enters the flocculation settling tank, the effect of stirring sewage is achieved, and the time of flocculation reaction can be greatly reduced.
2. The special purifying ball design is that the purifying ball is arranged into a structure of a ball shell, an oil absorption layer and a purifying agent core; during the use, purification ball drops into purification treatment box, and the purifying agent nuclear density in the purification ball is greater than water, and purification ball can sink into in the sewage, flows into the spheroid along the pore on purification ball surface when sewage in, and the purifying agent can dissolve gradually, and along with dissolving of purifying agent, purification ball can rise gradually to float at the surface of water, and this in-process purifying agent can disperse in each degree of depth position of sewage, and the greasy dirt of the different degree of depth positions in the sewage can both be absorbed by the oil absorption layer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a sewage treatment apparatus according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic structural view of a purification ball;
fig. 4 is a schematic view of the internal structure of the filter tube.
Reference numerals: 10. a flocculation precipitation tank; 11. a sewage inlet pipe; 20. a purification treatment box; 21. a drain valve; 30. a disinfection treatment box; 31. a buffer plate; 40. a clean water storage tank; 50. a flocculant storage tank; 60. a gas-liquid mixing pipe; 61. an impeller; 62. a motor; 63. necking down; 64. a gas supply pipe; 70. a scavenger tank; 80. purifying the ball; 81. a spherical shell; 82. an oil-absorbing layer; 83. a scavenger core; 84. a hollow cavity; 90. a filter tube; 91. a sandstone layer; 92. a fine sand layer; 93. an activated carbon layer; 94. and (4) a filter screen layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a high-efficiency energy-saving sewage treatment device, which comprises a flocculation precipitation tank 10, a purification treatment tank 20, a disinfection treatment tank 30, a clear water storage tank 40, a flocculating agent storage tank 50, a gas-liquid mixing pipe 60 and a purifying agent storage tank 70;
the flocculation precipitation tank 10 is connected with a purification treatment tank 20 through a pipeline with a water pump; the purification treatment box 20 is arranged at the upper end of the disinfection treatment box 30; the bottom of the purification treatment box 20 is provided with a drain valve 21; the drain valve 21 is aligned with the sterilization treatment tank 30; the disinfection treatment box 30 is connected with the clean water storage box 40;
an impeller 61 is arranged in the head end of the gas-liquid mixing pipe 60, and the tail end of the gas-liquid mixing pipe is connected with the flocculation precipitation tank 10; the impeller 61 is connected to a motor 62; the discharge outlet of the flocculant storage tank 50 is connected with the gas-liquid mixing pipe 60; a plurality of layers of necking openings 63 are arranged in the gas-liquid mixing pipe 60; the gas-liquid mixing pipe 60 is connected with a plurality of gas supply pipes 64; each of the gas supply pipes 64 is located at the rear side of each of the necking ports 63;
the discharge opening of the purifying agent storage tank 70 is positioned above the purifying treatment tank 20; the purifying agent storage tank 70 is internally provided with a plurality of purifying balls 80; the purifying ball 80 comprises a ball shell 81, an oil absorption layer 82 and a purifying agent core 83 in sequence from outside to inside; fine holes are distributed on the surface of the purifying ball 80 and extend into the purifying agent core 83; the spherical shell 81 is a plastic shell; the scavenger core 83 has a density greater than that of water.
In specific implementation, as shown in fig. 1-4, the flocculation settling tank 10 is used for sewage flocculation treatment; the water inlet of the flocculation precipitation tank 10 is connected with a gas-liquid mixing pipe 60, and a valve is arranged on the water inlet; a branch opening is formed in the upper end face of the gas-liquid mixing pipe 60 and connected with a discharge opening of the flocculating agent storage tank 50, a valve is arranged at the discharge opening of the flocculating agent storage tank 50, and when the flocculant-flocculant mixing device is used, the valve is opened, and flocculating agents flow into the gas-liquid mixing pipe 60 from the branch opening; the upper end surface of the gas-liquid mixing pipe 60 is also provided with a plurality of sealing ports, the sealing ports are positioned at the rear side of the necking port 63 and are connected with a one-way valve for gas, the one-way valve for gas is connected with a gas supply pipe 64, and when the gas-liquid mixing pipe is used, the gas supply pipe 64 is connected with a gas supply machine; the gas-liquid mixing pipe 60 inputs the flocculating agent into the flocculation settling tank 10 through the rotation of the impeller 61; the flocculating agent can adopt polyacrylamide, polydimethyl diallyl ammonium chloride, polymeric aluminum ferric chloride and the like.
The flocculation precipitation tank 10 is connected with the purification treatment tank 20 through a pipeline with a water pump, and flocculated sewage flows into the purification treatment tank 20 through the pipeline; the purification treatment box 20 is used for carrying out deep purification treatment on the sewage; the purifying agent storage tank 70 is arranged on the fixed base, the purifying ball 80 is arranged in the purifying agent storage tank 70, the discharge opening at the bottom of the purifying agent storage tank 70 is positioned above the purifying treatment tank 20, and the discharge opening is provided with a valve;
the purification treatment box 20 is fixedly welded on the disinfection treatment box 30; the bottom of the purification treatment box 20 is provided with a drain valve 21, the drain valve 21 is aligned with the disinfection treatment box 30, and the sewage after purification treatment flows into the disinfection treatment box 30 through the drain valve for disinfection treatment;
the disinfection treatment tank 30 is disinfected and then flows into the clean water storage tank 40.
The working principle is as follows: the sewage is discharged into the flocculation precipitation tank 10 through the sewage inlet pipe 11, the flocculant in the flocculant storage tank 50 flows into the gas-liquid mixing pipe 60, the impeller 61 rotates, the flocculant flows into the flocculation precipitation tank 10, the flow rate of the flocculant is accelerated to generate turbulence through the necking port 63, the flocculant and the gas flushed by the gas supply pipe 64 generate rich bubble flow, the bubble flow flows into the flocculation precipitation tank 10 to stir the sewage and play a role in stirring, the flocculant is conveyed to the completion, at the moment, the flocculation precipitation tank 10 is filled with rich bubbles and waits for several minutes, after flocculation precipitation, a water pump conveys the upper layer sewage into the purification treatment tank 20, a valve of a discharge port of the purifying agent storage tank 70 is opened, the purifying ball 80 falls into the purification treatment tank 20 to sink, the sewage flows into the purifying ball 80 from a pore, the purifying ball 80 floats upwards along with the dissolution of the purifying agent core 83, the purifying ball 80 continuously releases the purifying agent in the process, and oil stains in the, after the purification treatment is completed, the drain valve 21 is opened, and the purified water flows into the disinfection treatment tank and is transported to the clean water storage tank 40 after the disinfection treatment.
In the above embodiment, preferably, the spherical shell 81 is a split structure, and includes an upper hemispherical shell and a lower hemispherical shell; the upper hemispherical shell and the lower hemispherical shell are fixedly bonded. Specifically, the spherical shell 81 is a split structure, and is bonded with the lower hemispherical shell through the upper hemispherical shell, and the split structure is convenient for filling or replacing the oil absorption layer 82 and the purifying agent core 83.
In implementing the above embodiment, preferably, a plurality of hollow cavities 84 are distributed in the spherical shell 81. Specifically, the spherical shell 81 is dug with a plurality of cavities, and the cavities are adhered with sealing caps to form a hollow cavity 84, so that the floating effect of the spherical shell 81 is more obvious.
In implementing the above embodiment, preferably, the oil absorption layer 82 is an oil absorption felt; the oil absorption layer 82 is adhered to the spherical shell 81. Specifically, the oil absorption layer 82 is made of commercially available oil absorption felt and is adhered to the spherical shell 81.
In the above embodiment, a filter tube 90 is preferably connected between the disinfection treatment tank 30 and the fresh water storage tank 40.
Further, a sand stone layer 91, a fine sand layer 92, an activated carbon layer 93 and a filter screen layer 94 are arranged in the filter pipe 90.
In specific implementation, the water outlet of the disinfection treatment box 30 is connected with the water inlet of the clean water storage box 40 through a filter pipe 90, valves are respectively arranged on two sides of the disinfection treatment box, the filter pipe 90 is sequentially filled with sand, fine sand and active carbon, and the tail end of the filter pipe is sealed by a filter screen; better quality clean water can be obtained with the filter tube 90.
In implementing the above embodiment, it is preferable that the scavenger core 83 employs bleaching powder, ferrous sulfate, or sodium carbonate. Specifically, those skilled in the art can select a corresponding purifying agent to prepare the purifying agent core 83 according to actual conditions, such as bleaching powder, ferrous sulfate or sodium carbonate, wherein the bleaching powder mainly comprises calcium chloride and calcium hypochlorite, the water solubility is easy to dissolve, and the density is 2.35g/cm3Density greater than 1.0 g/cm of water3Can be used for disinfection and sterilization in sewage treatment, and the density of the ferrous sulfate is 1.89 g/cm3Dissolved in water and used as disinfectant in sewage treatment, and the density of sodium carbonate is 2.53 g/cm3Dissolved in water and can be used for adjusting pH in sewage treatment.
In implementing the above embodiment, it is preferable that a buffer plate 31 is provided in the sterilization treatment tank 30; the buffer plate 31 is located below the drain valve 21.
During specific implementation, the middle of the disinfection treatment box 30 is provided with a partition plate which is divided into two parts, the two parts are communicated from the lower part of the partition plate, and the interval below the drain valve 21 is provided with a plurality of layers of buffer plates 31 which play a role of buffering.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (3)

1. The utility model provides an energy-efficient sewage treatment plant which characterized in that: comprises a flocculation precipitation tank, a purification treatment tank, a disinfection treatment tank, a clear water storage tank, a flocculant storage tank, a gas-liquid mixing pipe and a purifying agent storage tank;
the flocculation sedimentation tank is connected with a purification treatment tank through a pipeline with a water pump, the purification treatment tank is arranged at the upper end of the disinfection treatment tank, a drain valve is arranged at the bottom of the purification treatment tank and is aligned with the disinfection treatment tank, and the disinfection treatment tank is connected with the clear water storage tank;
an impeller is arranged in the head end of the gas-liquid mixing pipe, the tail end of the gas-liquid mixing pipe is connected with the flocculation sedimentation tank, the impeller is connected to a motor, a discharge port of the flocculating agent storage tank is connected with the gas-liquid mixing pipe, a plurality of layers of necking openings are formed in the gas-liquid mixing pipe, the gas-liquid mixing pipe is connected with a plurality of gas supply pipes, and each gas supply pipe is positioned on the rear side of each necking opening;
the discharge port of the purifying agent storage tank is positioned above the purifying treatment tank, a plurality of purifying balls are arranged in the purifying agent storage tank, each purifying ball sequentially comprises a ball shell, an oil absorption layer and a purifying agent core from outside to inside, fine holes are distributed on the surface of each purifying ball and extend into the purifying agent core, each ball shell is a plastic shell, and the density of each purifying agent core is greater than that of water; the spherical shell is of a split structure and comprises an upper hemispherical shell and a lower hemispherical shell, and the upper hemispherical shell and the lower hemispherical shell are fixedly bonded; a plurality of hollow cavities are distributed in the spherical shell; the oil absorption layer is an oil absorption felt, the oil absorption layer is adhered to the spherical shell, and the purifying agent core adopts bleaching powder, ferrous sulfate or sodium carbonate;
the disinfection treatment incasement is equipped with the buffer board, the buffer board is located drain valve below.
2. The sewage treatment apparatus of claim 1, wherein: a filter pipe is connected between the disinfection treatment box and the clean water storage box.
3. The sewage treatment apparatus according to claim 2, wherein: and a sand stone layer, a fine sand layer, an activated carbon layer and a filter screen layer are arranged in the filter pipe.
CN202011307766.6A 2020-11-20 2020-11-20 Energy-efficient sewage treatment plant Active CN112125482B (en)

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CN112125482B true CN112125482B (en) 2021-03-26

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CN113714228B (en) * 2021-09-03 2023-09-15 郑州大学环境技术咨询工程有限公司 Oil recovery method for oil tank truck

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CN1049845C (en) * 1993-01-22 2000-03-01 和泉电气株式会社 Method and apparatus for dissolution and mixture of gas and liquid
JPH07136645A (en) * 1993-11-19 1995-05-30 Sensor Kenkyusho:Kk Production of waste water purifying agent
US10372144B2 (en) * 2015-11-30 2019-08-06 International Business Machines Corporation Image processing for improving coagulation and flocculation
CN105839585B (en) * 2016-03-18 2018-03-02 崔建中 Reservoir nanofiber ball float
CN108059276A (en) * 2017-12-23 2018-05-22 安徽睿知信信息科技有限公司 A kind of processing method of printing and dyeing textile sewage
CN110143623B (en) * 2019-05-31 2022-05-13 龙能城市运营管理股份有限公司 Urban domestic sewage purifying agent and preparation method thereof

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