CN113307416A - Multifunctional sewage treatment tank - Google Patents
Multifunctional sewage treatment tank Download PDFInfo
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- CN113307416A CN113307416A CN202110724282.XA CN202110724282A CN113307416A CN 113307416 A CN113307416 A CN 113307416A CN 202110724282 A CN202110724282 A CN 202110724282A CN 113307416 A CN113307416 A CN 113307416A
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
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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
- 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
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F7/00—Aeration of stretches of water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
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- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention belongs to the technical field of water pollution treatment, and particularly discloses a multifunctional sewage treatment tank, which comprises a main reaction tank, wherein a semi-partition wall is vertically arranged in the main reaction tank along the width direction, one end of the semi-partition wall is fixedly connected with the short edge of the main reaction tank to divide the main reaction tank into a low-level area, a high-level area and a transition area, the transition area is provided with a sedimentation tank, an overflow flashboard is also arranged on the short edge of the main reaction tank, the height of the overflow flashboard is lower than that of the short edge, the water inlet end of a water suction pump is arranged at the low-level end, the water outlet end is arranged at the high-level end through a multifunctional reactor, a treatment medium is injected from the low end, is fed into the multifunctional reactor through a pump, is efficiently mixed with a reagent and then is sprayed into the high end, and naturally circulates from the high end to the low end under the action of a position difference, and can impact the side wall to subside large-particle sediments into the sedimentation tank for storage under the action of a centrifugal force in the transition area, the multifunctional energy-saving power supply has multiple functions, high efficiency and low power consumption, and accords with the trend of low-carbon economy.
Description
Technical Field
The invention belongs to the technical field of water pollution treatment, and particularly relates to a multifunctional sewage treatment tank.
Background
The restoration of the water resource ecological environment is a system project, a large number of small farmers and residents exist, the discharge amount of wastewater is small and dispersed, and the centralized treatment is difficult: if the pipeline is used for conveying, the cost is too high; the farmland is occupied by the open channel transportation. And the leakage is permeated along the way, which can cause secondary pollution. The sewage discharge source wastewater has small individual amount, but has large amount, wide distribution, local discharge and large accumulation, and is one of the important factors of domestic water resource pollution. The crude sewage treatment mode that big pond big fan air-blowing aeration that keeps in use at present stews, and is inefficient, with high costs, and equipment is big, and the handling capacity is little, and maneuverability is not strong.
The multifunctional sewage treatment tank has the advantages of small tank with a special structure, high precision, large treatment capacity, low investment and low operation cost, can perform high-efficiency physicochemical reaction, is simple and practical, can replace the conventional bubbling aeration, and can be used for on-site treatment of small-volume multipoint wastewater pollution sources.
Disclosure of Invention
The invention aims to provide a multifunctional sewage treatment tank, the purification capacity of the treatment tank is close to or reaches the level of a high-efficiency reaction kettle, and when necessary, environment-friendly chemicals can be selected to quickly and effectively treat severely polluted media, so that normal aeration maintenance and deep purification are carried out after pollution is reduced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multifunctional sewage treatment pool comprises a main reaction pool, wherein a semi-partition wall is vertically arranged in the middle of the main reaction pool along the width direction of the main reaction pool, the length of the semi-partition wall is smaller than that of the main reaction pool and is parallel to the long edge of the main reaction pool, one end of the semi-partition wall is fixedly connected with the short edge of the main reaction pool to divide the main reaction pool into three areas of M type, namely a low area, a high area and a transition area which are respectively arranged on two sides of the semi-partition wall, the transition area is positioned at the corner of the high area and is vertically arranged with the high area, the height of the bottom of the high area is higher than that of the bottom of the low area, the highest end of the bottom of the high area is provided with a downward slope from high to low, the lowest end of the bottom of the low area is provided with an upward slope from low to high, and two slopes are butted at the corner to form a complete U shape from high end to low end along the semi-partition wall, the transition zone is provided with a precipitation tank at the bottom edge of the short edge, the precipitation tank is arranged at the bottom of the short edge which is close to the main reaction tank and is not contacted with the semi-partition wall, the short edge which is not contacted with the semi-partition wall of the main reaction tank is also provided with an overflow flashboard, the height of the overflow flashboard is lower than or equal to that of the short edge, the main reaction tank is also provided with a water suction pump, the water inlet end of the water suction pump is positioned in a low-level area, the water outlet end of the water suction pump is also provided with a multifunctional reactor, the water outlet of the multifunctional reactor is positioned in a high-level area, when the device is used in particular, the treatment tank is selected according to needs, can be large or small, and is inconvenient for centralized collection and treatment of pollution sources in rural areas, such as small-sized farms, dispersed village residential spots and the like, and can be purified on site, the invention eliminates the pollution and then discharges dispersedly without affecting the environment, the bottom of the pool is surrounded by a semi-partition wall, the semi-annular slideway is designed from the high end to the low end, the treated medium is generally injected from the low end and is pumped into the multifunctional reactor, in the multifunctional reactor, the medium to be treated is efficiently mixed with the corresponding reagent (generally in a fluid state) and is sprayed into the high end, under the action of the position difference, the reaction medium along the semi-annular slideway and repeatedly and naturally circulates from the high end to the low end, and when the medium flows from the high end to the low end, the medium impacts the side wall under the action of centrifugal force in a transition zone due to the flow blocking action of the semi-partition wall and the side wall of the main reaction pool, thereby settling the large-particle sediments into the settling tank for storage, the settling tank can be pumped out by a slurry pump equipped according to the process requirements, and the invention has the advantages of multifunction, high efficiency and low power consumption, and conforms to the trend of low carbon economy.
Further, the multifunctional reactor comprises a cylindrical cavity, a conical throat is arranged at the lower part of the cylindrical cavity, a diffusion pipe with an isosceles trapezoid cross section is arranged at the lower part of the conical throat, an inner nozzle is sleeved in the cavity and comprises a cylindrical water inlet pipeline positioned at the upper part and a conical nozzle positioned at the lower part, a feeding channel is arranged on the side wall of the cavity and is opposite to the conical nozzle, a plurality of built-in feeding pipes are arranged in the feeding channel and are arranged in parallel, the tail end of each built-in feeding pipe inwards extends to the conical nozzle and is annularly coiled around the conical nozzle, a plurality of jet holes are arranged at the bottom of the annularly coiled part of the conical nozzle cone at the tail end of each built-in feeding pipe, the included angle between the jet direction of the jet holes and the vertical direction is 15 degrees, and the jet direction can ensure that materials in the feeding pipes are connected with water to be treated at the throat, the multi-charging pipe is arranged in the reactor, a plurality of reagents with different properties can be added at any time according to needs, the water body to be treated is atomized and mixed with diffusibility such as air and medicaments in the reactor, after the physicochemical reaction is initiated, the water body is sprayed back to the deep part of the water body and continuously reacts in the treatment pool and is gradually purified, so the treatment pool is equivalent to a high-efficiency reaction kettle, the multi-charging pipe is independent, the multi-component reagents can simultaneously enter the reactor through different charging pipes in a mutually isolated state and are instantly mixed at a throat, the continuous diffusion and the strengthened reaction are carried out in the diffusion pipe, the dispersity of the reactor is high, the heat dissipation is rapid, the occurrence of side reactions is reduced and avoided to the utmost extent, and the reactions which cannot occur in the pool can be caused.
Further, still be equipped with at least one intake pipe on the charging channel, the inner nozzle top is higher than the cavity setting, and the cylindrical inlet channel in inner nozzle upper portion communicates with rivers entry.
Furthermore, the cavity, the conical throat pipe and the diffusion pipe are in smooth transition connection.
Further, minor face one side that the overflow flashboard place still was equipped with supplementary pond on the main reaction tank, supplementary pond includes a plurality of continuous overflow ponds and clarification tank, and the baffle height between the adjacent overflow pond reduces in proper order, and supplementary pond mainly used overflow clarification can form a complete set as required and choose for use.
Furthermore, the one end of high-order pond to low level pond corner on the half-isolation wall is circular-arc, and circular-arc is less resistance when water is followed high-order pond to low level pond corner, avoids the vortex to arouse the deposit that the vortex influences big particulate matter.
The invention has the advantages that:
1. the chemical reaction capacity of the purification treatment tank is close to or reaches the level of a high-efficiency reaction kettle, and when necessary, environment-friendly chemicals can be selected to quickly and effectively treat severely polluted media, and normal aeration is adopted for maintaining and continuously purifying after pollution is reduced;
2. during aeration, the gas-liquid mixing state is optimized from impact mixing to diffusive mixing, the media tend to be in an atomized state, the contact area is increased, and the high-efficiency energy-saving effect is achieved;
3. the treatment tank can be selected according to the needs, can be large or small, and can be used for on-site purification treatment of pollution sources which are in multiple points, small amount, dispersion, high pollution, narrow site and inconvenient for building large-scale sewage treatment devices for centralized treatment, such as small chicken raising or pig raising sites, dispersed village residential quarters and the like, after the pollution is eliminated, the pollution sources are respectively dispersed and discharged without affecting the environment;
4. the bottom of the tank is surrounded by a semi-isolation wall, the tank is designed into a semi-annular slide way from a high end to a low end, a treatment medium is generally injected from the low end and is sent into the multifunctional reactor through a pump, the medium to be treated is efficiently mixed with a corresponding reagent (generally in a fluid state) in the multifunctional reactor and then is sprayed into the high end, the reaction medium repeatedly and naturally circulates along the semi-annular slide way from the high end to the low end under the action of the position difference and the pumping of the pump, and when the medium flows from the high end to the low end, the medium impacts the side wall under the action of centrifugal force in a transition region so as to settle large-particle sediments into a settling tank for storage, and the settling tank can be pumped out through the semi-isolation wall and the side wall of the main reaction tank according to use requirements.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of the structure of the reactor of the present invention.
Fig. 3 is a use state reference diagram of the present invention.
Detailed Description
Examples
As shown in the figure, a multifunctional sewage treatment tank comprises a main reaction tank 1, wherein a semi-partition wall 2 is vertically arranged in the middle of the main reaction tank along the width direction, a high-position area 12 on the semi-partition wall 2 is arc-shaped towards one end of a corner of a low-position area 11, the resistance of the arc-shaped water is reduced from the high-position end to the corner of the low-position end, the sedimentation of large particles influenced by eddy current is avoided, the length of the semi-partition wall 2 is smaller than that of the main reaction tank 1 and is parallel to the long edge of the main reaction tank 1, one end of the semi-partition wall 2 is fixedly connected with the short edge of the main reaction tank 1, so that the main reaction tank is divided into three areas of M type, namely a low-position area 11, a high-position area 12 and a transition area 13 on two sides of the semi-partition wall 2, the transition area 13 is positioned at the corner of the high-position area 12 and is vertically arranged with the high-position area 12 and the low-position area 11, the tank, the high-level region 12 is inclined downwards at the bottom to form a slope, the low-level region 11 is inclined upwards at the bottom to form a slope, two slopes are butted at corners to form a complete U-shaped slide way from a high end to a low end along a semi-partition wall, the edge of the bottom of the transition region 13 is downwards provided with a settling tank 3, the settling tank 3 is arranged close to a short edge of the main reaction tank 1 which is not in contact with the semi-partition wall 2, an overflow flashboard 4 is further arranged on the short edge of the main reaction tank 1 which is not in contact with the semi-partition wall 2, the height of the overflow flashboard 4 is lower than or equal to that of the short edge, the main reaction tank 1 is further provided with a water suction pump 5, the water inlet end 6 of the water suction pump 5 is communicated with the low-level region 11, the water outlet end 7 of the water suction pump 5 is further provided with a multifunctional reactor 8, the water outlet of the multifunctional reactor 8 is communicated with the high, the sewage treatment device can be large or small, and can be used for locally purifying pollution sources which are multi-point, small, dispersed, high in pollution, narrow in site and inconvenient to build large sewage treatment devices for centralized discharge in rural areas, such as small chicken or pig farms, dispersed village residential sites and the like, so that dispersed discharge after pollution is eliminated, and the environment is not influenced; the multifunctional reactor comprises a cylindrical cavity 81, wherein a conical throat 82 is arranged at the lower part of the cylindrical cavity 81, a diffusion pipe 83 with an isosceles trapezoid cross section is arranged at the lower part of the conical throat 82, an inner nozzle 84 is sleeved in the cavity, the inner nozzle 84 comprises a cylindrical water inlet pipeline positioned at the upper part and a conical nozzle positioned at the lower part, a feeding channel 85 is arranged at the position, right opposite to the conical nozzle, on the side wall of the cavity, a plurality of built-in feeding pipes 86 are arranged in the feeding channel 85, the built-in feeding pipes 86 are arranged in parallel, the tail end of each built-in feeding pipe 86 extends inwards to the conical nozzle and is annularly wound around the conical nozzle, a plurality of spraying holes are arranged at the bottom of the annularly wound conical nozzle cone at the tail end of each built-in feeding pipe, the spraying direction of each spraying hole is 15 degrees relative to the vertical direction, and the spraying direction can ensure that materials in the feeding pipes are connected with, the multi-charging pipes are arranged in the reactor, a plurality of reagents with different properties can be added at any time according to needs, water to be treated is subjected to diffusive atomization mixing with air, medicaments and the like in the reactor, after a physicochemical reaction is initiated, the water is sprayed back to the deep part of the water and continuously reacts in a water system and is gradually purified, so that the water system is equivalent to a high-efficiency reaction kettle, the multi-charging pipes are independent respectively, multi-component reagents can be instantly mixed at a throat through different charging pipes in an isolated state, the continuous diffusion and the enhanced reaction are carried out in the diffusion pipes, the dispersity of the reactor is high, the heat dissipation is rapid, and the occurrence of side reactions is reduced and avoided to the maximum extent. The charging channel 85 is also provided with at least one air inlet pipe 87, the top of the inner nozzle 84 is arranged higher than the cavity, and a cylindrical water inlet pipeline at the upper part of the inner nozzle 84 is communicated with a water flow inlet; because the reactor utilizes the principle of a Venturi tube, negative pressure is formed at the throat by pumping water of a pump, the medicament and the sewage to be treated are diffused, mixed and pumped at the throat to initiate a physicochemical reaction, and are discharged out of the reactor in time to enter the deep part of the water body for continuous reaction, and because the medicament and the sewage to be treated are uniformly mixed, the heat dissipation is good, the side reaction is reduced, and the efficiency is improved; the cavity, the conical throat and the diffusion pipe are in smooth transition connection, an auxiliary pool is further arranged on one side of the short edge where the overflow flashboard is located on the main reaction pool, the auxiliary pool comprises a plurality of overflow pools and clarification pools which are connected, the heights of the partition boards between every two adjacent overflow pools are reduced in sequence, and the auxiliary pool is mainly used for overflow clarification and can be selected according to needs in a matched mode.
Application example
Treating the synthetic ammonia wastewater containing more than 2700mg/L of dimethylamine:
1. and (3) flavor locking: the synthetic ammonia wastewater can volatilize extremely strong fishy smell at normal temperature and is harmful to human bodies, firstly, a first locking agent and a second locking agent are metered and added through a feeding system of a multifunctional reactor, the cyclic reaction is carried out for 20 minutes, and the volatile smell of pollutants such as dimethylamine is fixed in the solution, so that the harm to the human bodies and the environment is reduced;
2. removing ammonia nitrogen: starting the multifunctional reactor, respectively and simultaneously adding a reagent component I (main oxidant + auxiliary oxidant) and a reagent component II (catalyst + cocatalyst) through different feeding pipes of a feeding system, controlling the adding speed, and continuing the reaction after the adding is finished, wherein the running time of the multifunctional reactor is not less than 3.5 hours;
3. standing for more than 1.5 hours, sampling and testing, and adjusting the dosage and the reaction time according to the result and the requirement until the discharge requirement is met;
4. pumping out the sediment in the precipitation tank by using a slurry pump, and filtering to obtain harmless filter residue (less than or equal to 25Kg/m3 waste liquid), wherein the filter residue can be sold as an industrial raw material;
5. reference index of treated discharge water: colorless and tasteless, ammonia nitrogen content is less than or equal to 25mg/L and COD is less than or equal to 70mg/L, and better treatment effect can be achieved by adjusting the addition amount and the reaction time
The multifunctional reaction tank integrates the functions of a reaction kettle and aeration, the chemical reaction capacity can reach the level of fine chemical engineering, and practical application proves that the multifunctional reaction tank can effectively shorten or even eliminate the induction period of various chemical reactions, quickly initiates the reactions with high efficiency, strongly treats pollution, eliminates the bubbling aeration mode of a Roots blower with low efficiency and high energy consumption, realizes diffusive atomized mixture between gas and liquid, ensures that air is uninterruptedly supplemented and diffused into a polluted medium during aeration, stays, circulates and reacts in the treatment tank for a long time, improves the aeration efficiency, and reduces the energy consumption. In particular, the aeration and the chemical treatment may be carried out simultaneously.
Claims (6)
1. The utility model provides a multi-functional sewage treatment pond which characterized in that: the device comprises a main reaction tank, wherein a semi-partition wall is vertically arranged in the middle of the main reaction tank along the width direction of the main reaction tank, the length of the semi-partition wall is less than that of the main reaction tank and is arranged in parallel with the long edge of the main reaction tank, one end of the semi-partition wall is fixedly connected with the short edge of the main reaction tank so as to divide the main reaction tank into three M-shaped areas, namely a low area, a high area and a transition area, the three M-shaped areas are respectively arranged on two sides of the semi-partition wall, the transition area is positioned at the corner of the high area to the low area and is vertically arranged with the high area, the height of the bottom of the high area is higher than that of the bottom of the low area, the bottom of the high area is provided with a downward slope, the bottom of the low area is provided with an upward slope, the two slopes are butted at the corner to form a complete U-shaped slide way from the high end to the low end along the semi-partition wall, the bottom edge of the transition area is provided with a precipitation tank downwards, and the precipitation tank is positioned on the main reaction tank, the setting bottom the minor face with half partition wall noncontacting, still be equipped with an overflow flashboard on the main reaction tank with half partition wall noncontacting minor face, the height that highly is less than the minor face of overflow flashboard, still be equipped with a suction pump on the main reaction tank, the end of intaking and the low level district UNICOM of suction pump, the play water end of suction pump still is equipped with a multifunctional reactor, the delivery port of multifunctional reactor is located the high level district.
2. The multi-functional sewage treatment pond of claim 1, characterized in that: the multifunctional reactor comprises a cylindrical cavity, the lower part of the cylindrical cavity is provided with a conical throat pipe, the lower part of the conical throat pipe is provided with a diffusion pipe with a cross section being in an isosceles trapezoid shape, an inner nozzle is sleeved in the cavity and comprises a cylindrical water inlet pipeline positioned on the upper part and a conical nozzle positioned on the lower part, a feeding channel is arranged on the side wall of the cavity right at the position of the conical nozzle, a plurality of built-in feeding pipes are arranged in the feeding channel and arranged in parallel, the tail end of each built-in feeding pipe inwards extends to the conical nozzle and is wound into a circle around the conical nozzle cone, and the tail end of each built-in feeding pipe is located at the bottom of the annular winding part of the conical nozzle cone and is provided with a plurality.
3. The multi-functional sewage treatment pond of claim 2, characterized in that: the feeding channel is provided with at least one air inlet pipe, the top of the inner nozzle is higher than the cavity, and a cylindrical water inlet pipeline at the upper part of the inner nozzle is communicated with the water flow inlet.
4. The multi-functional sewage treatment pond of claim 3, characterized by: the cavity, the conical throat pipe and the diffusion pipe are in smooth transition connection.
5. The multi-functional sewage treatment pond of claim 4, characterized by: the short side one side that overflow flashboard place still is equipped with auxiliary tank on the main reaction tank, auxiliary tank includes a plurality of consecutive overflow ponds and clarification tank, and the baffle height between the adjacent overflow pond reduces in proper order.
6. The multi-functional sewage treatment pond of claim 5, characterized by: and one end of the upper pond on the semi-partition wall, which is positioned at the corner of the lower pond, is arc-shaped.
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