CN217418299U - Intermittent type formula effluent treatment plant - Google Patents
Intermittent type formula effluent treatment plant Download PDFInfo
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- CN217418299U CN217418299U CN202123433134.7U CN202123433134U CN217418299U CN 217418299 U CN217418299 U CN 217418299U CN 202123433134 U CN202123433134 U CN 202123433134U CN 217418299 U CN217418299 U CN 217418299U
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses an intermittent type formula effluent treatment plant, it includes the waste water catch basin, a water pump, electronic three-way valve, heat exchanger, persulfate pond, the measuring pump, the oxidation treatment pond, the electrical control structure, the water pump leads to pipe and waste water catch basin, electronic three-way valve is connected, heat exchanger leads to pipe and oxidation treatment pond, electronic three-way valve is connected, the measuring pump leads to pipe and oxidation treatment pond, persulfate pond is connected, the oxidation treatment pond is including handling the cell body, the fixed bridge, strain the water structure, the stirring structure includes agitator motor, the stirring rake, it includes mechanical telescopic arm to strain the water structure, the annular cofferdam, anti-oxidant pipe. The beneficial effects of the utility model have: its is rational in infrastructure, overhauls the convenience, adopts the waste gas that the mill enterprise produced to heat waste water, reaches the purpose of activation persulfate, and it is good to go out water quality after the oxidation treatment, handles weak point consuming time, and secondary pollution is lower.
Description
Technical Field
The utility model relates to an intermittent wastewater treatment device, which belongs to the technical field of water treatment.
Background
In industrial wastewater such as domestic sewage, food processing and paper making, organic substances such as carbohydrates, proteins, oils and fats, lignin and the like are contained. These substances are present in the sewage in a suspended or dissolved state and can be decomposed by biochemical action of microorganisms. Oxygen is consumed in its decomposition process and is therefore referred to as an oxygen-consuming contaminant. Such contaminants can cause a reduction in dissolved oxygen in the water, affecting the growth of fish and other aquatic organisms. After the dissolved oxygen in water is exhausted, the organic matter is anaerobically decomposed to generate bad smells such as hydrogen sulfide, ammonia and mercaptan, which deteriorate the water quality. The organic matter components in the water body are very complex, and the concentration of the oxygen-consuming organic matter is usually expressed by the oxygen consumption in the biochemical decomposition process of the oxygen-consuming substance in unit volume of water.
The high-concentration organic wastewater generally refers to wastewater with COD of more than 2000mg/L discharged by industries such as papermaking, leather, food and the like. They can be generally classified into three categories according to their nature and origin: (1) generally, the organic wastewater is industrial wastewater which takes agricultural and pastoral products as raw materials, such as food industrial wastewater; (2) high-concentration organic wastewater containing harmful substances and being easily biodegradable, which is mainly from light industry, metallurgical industry and the like, such as pharmaceutical industry wastewater; (3) high-concentration organic wastewater which contains harmful substances and is difficult to biodegrade is mainly from organic synthetic chemical industry, pesticide production industry and the like, such as pesticide wastewater. The pollutant components in the high-concentration organic wastewater are complex, and the high-concentration organic wastewater poses serious threats to human health and ecological environment after being discharged into a human water body.
The high-concentration organic wastewater mainly has the following characteristics: (1) the concentration of organic matters is high. The COD is generally above 2000mg/L, some of the COD is even as high as tens of thousands to hundreds of thousands mg/L, the BOD is lower, and the biodegradability of a lot of waste water is poor; (2) the composition is complex. The waste water often contains production raw materials, side reaction products and various inorganic salts, and the waste water also contains heavy metals and toxic organic matters; (3) high color and peculiar smell. Some waste waters give off offensive odors. Causing adverse effects to the surrounding environment; (4) many acids, bases, salts, often have strong acids or strong bases. Due to the biodegradation effect, the high-concentration organic wastewater can lead the receiving water body to lack oxygen, most aquatic organisms die, the water quality and the environment are deteriorated, the use value of the water body is lost, and the normal life of people nearby the water body is seriously influenced. Meanwhile, the high-concentration organic wastewater contains a large amount of toxic organic matters, which can be continuously accumulated and stored in natural environments such as water, soil and the like, and finally enter human bodies to harm human health.
At present, the method for treating organic wastewater at home and abroad mainly comprises three modes, namely a chemical method, a biological method and a physical method. If firewood shakes bright has invented an organic waste water treatment system, it includes the preliminary filtering ponds, the right side of the preliminary filtering ponds has a sedimentation tank, the right side of the sedimentation tank has an organic waste water treatment facility, the preliminary filtering ponds and sedimentation tank and organic waste water treatment facility are connected together through the water pipe, the organic waste water treatment system, insert organic waste water from the inlet tube, in flowing into the drum, flow out from the standpipe, utilize the impact force of organic waste water to drive the rotation of the round bar one, the rotation of the round bar one drives the rotation of the bull bar, the rotation of the bull bar drives the rotation of the montant one, the rotation of the montant one drives the rotation of the round bar one, thus can be reciprocating to strike the round bar two, thus make the whole filter plate vibrate, through this way not only can prevent effectively that the filter plate is blocked by the impurity in the organic waste water, the preliminary filtration rate can also be increased. Although the device has low energy consumption, the device can tightly filter the organic wastewater, can not degrade soluble organic matters and needs to further treat the wastewater subsequently.
The invention discloses a high-concentration organic wastewater treatment device (a high-concentration organic wastewater treatment device) which is a container with an inlet and an outlet, wherein the inlet is a pipe body for introducing high-concentration organic wastewater, the outlet is a pipe body for discharging treated liquid, a partition plate is arranged in the container, a containing cavity of the container is sequentially divided into a pretreatment unit, an anaerobic treatment unit, a secondary aerobic treatment unit, a biological denitrification filter and a precipitation unit by the partition plate, and the four units can be communicated with each other to form an integrated high-concentration organic wastewater treatment channel. The utility model discloses an in solving high concentration organic wastewater treatment engineering, using advanced treatment process and operational mode, integrated device can set up in the factory in a flexible way, also can realize burying the processing system of formula entirely, does not occupy mill's ground, has solved the dual good effect of advantage of high concentration organic wastewater emission problem and saving land for the blowdown enterprise. But the device can only be used for easily biodegrading organic wastewater, and can be used for wastewater which can degrade organic matters but contains harmful substances; and non-biodegradable and harmful organic waste water are not suitable.
The invention discloses high-concentration nonbiodegradable organic wastewater treatment equipment and a method, wherein the high-concentration nonbiodegradable organic wastewater treatment equipment comprises a first cathode electrolytic cell, a second cathode electrolytic cell, an anode electrolytic cell and a sedimentation tank which are sequentially communicated, the second cathode electrolytic cell is communicated with the first cathode electrolytic cell through a wastewater reflux pump to form a circulation loop, and a first cathode plate and an aeration device are arranged in the first cathode electrolytic cell; a second cathode plate is arranged in the second cathode electrolytic tank; an anode plate is arranged in the anode electrolytic tank; the first cathode plate, the second cathode plate and the anode plate are all active carbon fiber electrode plates and are all communicated with the same direct current power supply. The technical scheme provided by the invention aims to solve the problem that the existing organic wastewater treatment method has poor treatment effect on high-concentration organic wastewater difficult to biodegrade. The method has good treatment effect, high speed, treatment effect on various organic wastewater, obvious defects, high energy consumption, generation of a certain amount of hydrogen and oxygen in the electrolysis process and high danger coefficient.
The chemical method mainly aims at treating the waste water containing harmful substances and the organic waste water which is difficult to biodegrade and harmful, wherein the organic substances can be degraded. The chemical treatment technology for treating high-concentration organic waste water is a method for converting pollutant components in the waste water into harmless substances by applying a chemical principle and a chemical action so as to purify the waste water. Chemical oxidation processes fall into two broad categories: one is to oxidize organic matters in the wastewater into carbon dioxide and water by using strong oxidants (such as hydrogen peroxide, potassium permanganate, hypochlorite, ozone and the like) at normal temperature and normal pressure; the other is to decompose organic matters in the wastewater at high temperature and high pressure, including supercritical water oxidation and wet air oxidation processes, wherein the used oxidant is usually oxygen or hydrogen peroxide, and a catalyst is generally adopted to reduce the reaction conditions and accelerate the reaction rate. The chemical oxidation method has the advantages of high reaction speed and simple control, and is more and more favored by researchers.
Persulfate (PS) is a strong oxidant, is easily dissolved in water to generate persulfate ions with strong oxidizing property, and can not efficiently degrade organic pollutants at normal temperature due to stable property, so that activated persulfate radicals can generate sulfate radicals with stronger oxidizing property by a photoactivation method, a thermal activation method, a metal activation method and other methods, a large number of sulfate radicals and organic matters which are difficult to degrade in water generate a series of redox chemical reactions, and the decomposition and mineralization of the organic pollutants which are difficult to degrade in industrial wastewater are realized. The sulfate radical redox potential (2.5-3.1V) is higher than that of hydroxyl radical (. OH) (1.9-2.7V), the stability and the half-life period are longer, and the method can efficiently oxidize and degrade common organic pollutants in production and life, and is a new direction for innovation and research of advanced oxidation technology. The persulfate activation technology is favored in the treatment of water pollutants due to the characteristics of high efficiency, short time consumption and low secondary pollution of the treatment.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an intermittent type formula effluent treatment plant, its is rational in infrastructure, and it is convenient to overhaul, adopts the waste gas that the mill enterprise produced to heat waste water, reaches the purpose of activation persulfate, and it is good to go out water quality after the oxidation treatment, handles weak point consuming time, and secondary pollution is lower.
The utility model discloses a following scheme realizes: the utility model provides an intermittent type formula effluent treatment plant, its includes waste water catch basin, water pump, electronic three-way valve, heat exchanger, persulfate pond, measuring pump, oxidation treatment pond, electrical control structure, the water pump leads to pipe and waste water catch basin, electronic three-way valve are connected, heat exchanger leads to pipe and oxidation treatment pond, electronic three-way valve are connected, the measuring pump leads to pipe and oxidation treatment pond, persulfate pond are connected, the oxidation treatment pond is including handling cell body, fixed bridge, decanting structure, stirring structure, the stirring structure includes agitator motor, stirring rake, decanting structure includes mechanical flexible arm, annular cofferdam, anti-oxidant pipe.
The treatment tank body is cylindrical, the lower bottom surface of the treatment tank body is a cambered surface, a sludge discharge port is arranged in the center of the lower bottom surface of the treatment tank body, two water discharge ports are symmetrically arranged on the side surfaces of the treatment tank body, a fixed bridge is arranged on the upper bottom surface, and the wall surface of the treatment tank body sequentially consists of an antioxidant coating, an inner cement layer, a foam heat insulation layer and an outer cement layer from inside to outside.
The fixed bridge is rectangular stainless steel plate shape, and agitator motor is installed to its intermediate position, and mechanical flexible arm is installed respectively at its both ends, and its lower bottom surface is equipped with cold water inlet, hot water inlet, persulfate water inlet, the stirring rake is installed to the agitator motor lower extreme, in the treatment tank was arranged in to the stirring rake, can rotate under agitator motor drives, mechanical flexible arm can stretch out and draw back, and its lower extreme is fixed at annular cofferdam, annular cofferdam is stainless steel construction's ring form, and it passes through anti-oxidation pipe and outlet connection, the cold water inlet passes through the water pipe and is connected with electronic three-way valve, the hot water inlet passes through the water pipe and is connected with heat exchanger, the persulfate water inlet passes through the water pipe and is connected with the measuring pump.
The electric control structure is connected with the water pump, the electronic three-way valve, the heat exchanger, the metering pump, the stirring motor and the mechanical telescopic arm through leads.
The utility model has the advantages that:
1. the utility model relates to an intermittent type formula effluent treatment plant, its is rational in infrastructure, and it is convenient to overhaul, adopts the waste gas that the mill enterprise produced to heat waste water, reaches the purpose of activation persulfate.
2. The utility model relates to an intermittent type formula effluent treatment plant, it goes out water quality good after oxidation treatment, handles weak point consuming time, and secondary pollution is lower.
Drawings
FIG. 1 is a schematic structural view of an intermittent wastewater treatment device of the present invention.
Fig. 2 is a top view of the wastewater collecting tank of the intermittent wastewater treatment device of the present invention.
FIG. 3 is a schematic view of a partial cross-sectional structure of a treatment tank of an intermittent wastewater treatment device.
In the figure: 1 is the waste water catch basin, 2 is the water pump, 3 is the electron three-way valve, 4 is heat exchanger, 5 is the persulfate pond, 6 is the measuring pump, 7 is the oxidation treatment pond, 8 is handling the cell body, 9 is the fixed bridge, 10 is decanting the water structure, 11 is the stirring structure, 12 is agitator motor, 13 is the stirring rake, 14 is the cold water inlet, 15 is the hot water inlet, 16 is the persulfate, 17 is the mechanical telescopic arm, 18 is the annular cofferdam, 19 is anti-oxidation pipe, 20 is row's of mud mouth, 21 is the outlet, 22 is anti-oxidation coating, 23 is interior cement layer, 24 is the foam heat preservation, 25 is outer cement layer, 26 is the electrical control structure, 27 is the water pipe, 28 is the wire.
Detailed Description
The present invention is further described with reference to fig. 1, fig. 2 and fig. 3, but the scope of the present invention is not limited to the description.
In which like parts are designated by like reference numerals. It is noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and the drawings are in greatly simplified form and employ non-precise ratios, merely for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development efforts may be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
The utility model provides an intermittent type formula effluent treatment plant, it includes waste water catch basin 1, water pump 2, electronic three-way valve 3, heat exchanger 4, persulfate pond 5, measuring pump 6, oxidation treatment pond 7, electrical control structure 26, water pump 2 passes through water pipe 27 and waste water catch basin 1, electronic three-way valve 3 is connected, heat exchanger 4 passes through water pipe 27 and oxidation treatment pond 7, electronic three-way valve 3 is connected, measuring pump 6 passes through water pipe 27 and oxidation treatment pond 7, persulfate pond 5 is connected, oxidation treatment pond 7 is including handling the cell body 8, fixed bridge 9, decant structure 10, stirring structure 11 includes agitator motor 12, stirring rake 13, decant structure 10 and includes mechanical flexible arm 17, annular cofferdam 18, anti-oxidation pipe 19.
The treatment tank body 8 is cylindrical, the lower bottom surface of the treatment tank body is a cambered surface, the center of the lower bottom surface of the treatment tank body is provided with a sludge discharge port 20, the side surfaces of the treatment tank body are symmetrically provided with two water discharge ports 21, the upper bottom surface of the treatment tank body is provided with a fixed bridge 9, and the wall surface of the treatment tank body is sequentially composed of an antioxidant coating 22, an inner cement layer 23, a foam heat insulation layer 24 and an outer cement layer 25 from inside to outside.
The fixed bridge 9 is in a rectangular stainless steel plate shape, the stirring motor 12 is installed at the middle position of the fixed bridge, the two ends of the fixed bridge are respectively provided with a mechanical telescopic arm 17, the lower bottom surface of the fixed bridge is provided with a cold water inlet 14, a hot water inlet 15 and a persulfate water inlet 16, the lower end of the stirring motor 12 is provided with a stirring paddle 13, the stirring paddle 13 is arranged in the treatment tank body 8 and can rotate under the driving of the stirring motor 12, the mechanical telescopic arm 17 can stretch out and draw back, the lower end of the mechanical telescopic arm 17 is fixed on the annular cofferdam 18, the annular cofferdam 18 is in a circular ring shape with a stainless steel structure and is connected with the water outlet 21 through an oxidation resistant pipe 19, the cold water inlet 14 is connected with the electronic three-way valve 3 through a water pipe 27, the hot water inlet 15 is connected with the heat exchanger 4 through a water pipe 27, and the persulfate water inlet 16 is connected with the metering pump 6 through a water pipe 27.
The electric control structure 26 is connected with the water pump 2, the electronic three-way valve 3, the heat exchanger 4, the metering pump 6, the stirring motor 12 and the mechanical telescopic arm 17 through a lead 28.
Example 1: electrical control structure 26 is right the utility model discloses each part electrical equipment carries out intelligent control.
Example 2: in the process of wastewater oxidation treatment, an electric control structure 26 controls a water pump 2 to work, controls a pipeline from the electronic three-way valve 3 to the water pump 2 to a cold water inlet 14, injects wastewater in a wastewater collecting tank 1 into a treatment tank body 8, starts a metering pump 6 after a period of time, adds persulfate solution in a persulfate tank 5 into the treatment tank body 8 at a set flow rate, starts a stirring structure 11 to stir, simultaneously starts a heat exchanger 4 and communicates the pipeline of the heat exchanger 4 and the electronic three-way valve 3, part of the wastewater is heated by the heat exchanger 4 and then is injected into the treatment tank body 8, the added hot wastewater heats and activates persulfate, so that persulfate is decomposed to generate strong oxidation free radicals to oxidize organic matters in the wastewater, when the added amount of the wastewater reaches a set value, the water pump 2, the heat exchanger 4 and the metering pump 6 stop working and continue to stir for a period of time, when the device is static for a period of time, the mechanical telescopic arm 17 is started to slowly extend, the annular cofferdam 18 is submerged below the liquid level of the wastewater, the treated wastewater enters the annular cofferdam 18 and is discharged out of the utility model through the antioxidant pipe 19 and the water outlet 21.
Example 3: when waste water flows through heat exchanger 4, heat exchanger 4 can come in transferring the waste water through the heat in its waste gas, reaches and heaies up waste water, carries out the purpose of cooling to waste gas, and then realizes thermal recovery cyclic utilization.
Example 4: the decanting structure 10, the stirring structure 11, the cold water inlet 14, the hot water inlet 15 and the persulfate water inlet 16 are all installed on the fixed bridge 9, when maintenance is needed, equipment is only required to be stopped, the fixed bridge 9 can be maintained by walking, and water sampling in the treatment process can also be carried out on the fixed bridge 9.
The electronic three-way valve 3, the heat exchanger 4, the mechanical telescopic arm 17, the annular cofferdam 18, the internal structure, the working principle and the working process of the electrical control structure 26 are the prior known technologies, and the detailed description is omitted.
While the invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an intermittent type formula effluent treatment plant which characterized in that: it includes waste water catch basin (1), water pump (2), electron three-way valve (3), heat exchanger (4), persulfate pond (5), measuring pump (6), oxidation treatment pond (7), electrical control structure (26), water pump (2) lead to pipe (27) and waste water catch basin (1), electron three-way valve (3) are connected, heat exchanger (4) lead to pipe (27) and oxidation treatment pond (7), electron three-way valve (3) are connected, measuring pump (6) lead to pipe (27) and oxidation treatment pond (7), persulfate pond (5) are connected, oxidation treatment pond (7) are including handling cell body (8), fixed bridge (9), decanting structure (10), stirring structure (11) are including agitator motor (12), stirring rake (13), decanting structure (10) are including mechanical telescopic arm (17), Annular cofferdam (18), anti oxidation pipe (19), mechanical flexible arm (17) can stretch out and draw back, and its lower extreme is fixed in annular cofferdam (18), annular cofferdam (18) are stainless steel construction's ring form, and it is connected with outlet (21) through anti oxidation pipe (19).
2. A batch type wastewater treatment apparatus according to claim 1, characterized in that: the treatment tank body (8) is cylindrical, the lower bottom surface of the treatment tank body is an arc surface, a sludge discharge port (20) is arranged at the center of the lower bottom surface of the treatment tank body, two water discharge ports (21) are symmetrically arranged on the side surfaces of the treatment tank body, a fixing bridge (9) is arranged on the upper bottom surface, and the wall surface of the treatment tank body is sequentially composed of an antioxidant coating (22), an inner cement layer (23), a foam heat insulation layer (24) and an outer cement layer (25) from inside to outside.
3. A batch type wastewater treatment plant according to claim 1, characterized in that: the fixed bridge (9) is in a rectangular stainless steel plate shape, a stirring motor (12) is arranged in the middle position, mechanical telescopic arms (17) are respectively arranged at two ends of the fixed bridge, and a cold water inlet (14), a hot water inlet (15) and a persulfate water inlet (16) are arranged on the lower bottom surface of the fixed bridge.
4. A batch type wastewater treatment apparatus according to claim 1, characterized in that: stirring rake (13) are installed to agitator motor (12) lower extreme, in handling cell body (8) are arranged in to stirring rake (13), can rotate under agitator motor (12) drive.
5. A batch type wastewater treatment apparatus according to claim 3, characterized in that: the cold water inlet (14) is connected with the electronic three-way valve (3) through a water pipe (27).
6. A batch type wastewater treatment apparatus according to claim 3, characterized in that: the hot water inlet (15) is connected with the heat exchanger (4) through a water pipe (27).
7. A batch type wastewater treatment apparatus according to claim 3, characterized in that: the persulfate water inlet (16) is connected with the metering pump (6) through a water pipe (27).
8. A batch type wastewater treatment apparatus according to claim 1, characterized in that: the electric control structure (26) is connected with the water pump (2), the electronic three-way valve (3), the heat exchanger (4), the metering pump (6), the stirring motor (12) and the mechanical telescopic arm (17) through a lead (28).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118579904A (en) * | 2024-06-28 | 2024-09-03 | 中铝环保生态技术(湖南)有限公司 | Electrocatalytic oxidation method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118579904A (en) * | 2024-06-28 | 2024-09-03 | 中铝环保生态技术(湖南)有限公司 | Electrocatalytic oxidation method and system |
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