CN114988621B - Catalytic oxidation device and method for gas field wastewater treatment - Google Patents
Catalytic oxidation device and method for gas field wastewater treatment Download PDFInfo
- Publication number
- CN114988621B CN114988621B CN202210691819.1A CN202210691819A CN114988621B CN 114988621 B CN114988621 B CN 114988621B CN 202210691819 A CN202210691819 A CN 202210691819A CN 114988621 B CN114988621 B CN 114988621B
- Authority
- CN
- China
- Prior art keywords
- pipe
- air
- oxidation pond
- contact oxidation
- connecting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a catalytic oxidation device for treating gas field wastewater, which comprises a contact oxidation pond and an electrocatalytic oxidation pond; an air guide pipe is arranged at one side of the contact oxidation pond far away from the electrocatalytic oxidation pond, a cold air pipe is arranged at one end of the air guide pipe close to the contact oxidation pond, an aeration structure is arranged at the inner bottom of the contact oxidation pond, a hot air pipe is arranged at one end of the air guide pipe far away from the contact oxidation pond, and a power generation assembly is arranged at one side of the electrocatalytic oxidation pond far away from the contact oxidation pond; the device is convenient for operators to adjust the temperature of the water tank through the arrangement of the air guide pipe, and suitable active temperature is created for aerobic organisms, and the device is used by combining the contact oxidation tank, the electrocatalytic oxidation tank and the power generation assembly, wherein high-pressure air which overflows partially in the contact oxidation process acts on the power generation assembly, and then electric energy is generated to act on the electrocatalytic oxidation process, so that overflowed high-pressure air is effectively utilized, and the device saves more energy.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a catalytic oxidation device and a catalytic oxidation method for treating gas field wastewater.
Background
The sewage generated by the gas field is complex in impurity content, the sewage is treated by physical degradation, chemical decomposition, biological unified treatment and the like, and the sewage of the gas field is ensured to reach the discharge standard, wherein the biological oxidation treatment is to utilize aerobe, biologically treat the organic sewage under the condition of oxygen existence, and thoroughly decompose the organic matters by aerobic microorganisms in the treatment process and release CO 2 The aim of removing BOD is fulfilled; meanwhile, nitrifying bacteria convert ammonia nitrogen and organic ammonia in the wastewater into nitrate or nitrite through biological nitrification, so as to provide conditions for anaerobic denitrification;
in the biological treatment process of sewage, the water temperature of the sewage can influence the biological treatment process, the temperature is in a certain range, the biochemical reaction rate can be correspondingly accelerated along with the temperature rise, the proliferation rate of microorganisms can be accelerated, namely, in a certain range, the temperature rise is favorable for the treatment of the aerobic organisms, however, certain constituent substances of microorganism cells, such as proteins, nucleic acids and the like are relatively sensitive, and when the temperature rises or falls suddenly and exceeds a certain limit, the structure and function of the substances can be irreversibly destroyed, so that the activity of the microorganisms is seriously influenced, and the death of the microorganisms can be possibly caused;
the heat preservation and the heat exchange equipment are added in the construction process of the biological oxidation treatment tank, but aeration treatment is needed in the treatment process of the aerobic organisms in the material oxidation treatment process, so that the normal use of the aeration device is ensured, the material oxidation treatment tank is generally open, the open use of the water tank is difficult to ensure that the temperature of the water tank is kept in a certain range continuously, the heat exchange equipment is required to work for a long time, and certain energy waste can be caused in the working process of the heat exchange equipment.
Based on the above, the invention provides a catalytic oxidation device and a catalytic oxidation method for treating gas field wastewater.
Disclosure of Invention
The invention aims to provide a catalytic oxidation device and a catalytic oxidation method for treating gas field wastewater, which are provided with an air guide pipe part and solve the problem of sewage water temperature regulation.
The invention provides the following technical scheme: a catalytic oxidation device for gas field wastewater treatment comprises a contact oxidation tank and an electrocatalytic oxidation tank; the wastewater flows into the inside of the contact oxidation pond at one side after being treated by the electrocatalytic oxidation pond; an air guide pipe is arranged at one side of the contact oxidation pond far away from the electrocatalytic oxidation pond, a cold air pipe is arranged at one end of the air guide pipe close to the contact oxidation pond, an aeration structure is arranged at the inner bottom of the contact oxidation pond, a hot air pipe is arranged at one end of the air guide pipe far away from the contact oxidation pond, and a power generation assembly is arranged at one side of the electrocatalytic oxidation pond far away from the contact oxidation pond;
the power generation assembly comprises a shell, a turbine, an air inlet, a rotor and a stator, wherein the turbine is arranged on one side of the inside of the shell, the air inlet is obliquely formed in the side wall of the shell on one side of the turbine, the rotor is arranged on one side of the turbine, the stator is sleeved in the shell on the periphery of the rotor, and the position of the air inlet is communicated with one end of the hot air pipe;
a plurality of biological filler members are uniformly hoisted in the contact oxidation pond;
the electrocatalytic oxidation pond is characterized in that a plurality of electrode plates are uniformly arranged in the electrocatalytic oxidation pond, the installation distance between two groups of electrode plates is 5cm-10cm, one surface of each electrode plate is a multi-element metal oxide added with rare earth metal, and two sides of each electrode plate are provided with 10-15V voltage.
Preferably, the aeration structure comprises a power turbine, a support rod and blades, an air outlet pipe is sleeved at the bottom end of the support rod, six power turbines are uniformly arranged on one side, close to the air outlet pipe, of the outer wall of the support rod, three groups of blades are equidistantly arranged on one side, far away from the power turbines, of the outer wall of the support rod, and air outlet holes are obliquely formed in one side of the air outlet pipe.
Preferably, the biological filler member comprises a supporting steel wire, biological filler, a hook and a limiting column, wherein the hook is arranged at the top of the supporting steel wire, the limiting column is arranged at one side of the hook, and the biological filler is uniformly arranged outside the supporting steel wire along the axial direction.
Preferably, one end of the air guide pipe is provided with a cold air outlet, one end of the air guide pipe, which is far away from the cold air outlet, is provided with a hot air outlet, the side wall of the air guide pipe is provided with a high-pressure air inlet along the tangential direction, the high-pressure air inlet is mutually communicated with the inside of the air guide pipe, and one side of the high-pressure air inlet, which is far away from the air guide pipe, is connected with an air pump connecting pipe.
Preferably, the electric cabinet is installed at the top of power generation subassembly, the terminal box is installed to one side that the electric cabinet is close to the electrocatalytic oxidation pond, and the terminal box electricity is connected through the wire respectively with the both sides of electrode plate, the battery is installed to power generation subassembly one side.
Preferably, one end that the guide duct was kept away from to the cold air pipe is connected with aeration pipe, bleeder and air conditioning connecting pipe, the one end that the cold air pipe was kept away from to the aeration pipe extends to the bottom of contact oxidation pond and communicates each other with the outlet duct, the intercommunication has the steam connecting pipe between aeration pipe and the hot-blast pipe, the one end that the cold air pipe was kept away from to the bleeder extends to the inside of electrocatalytic oxidation pond, the one end that the cold air pipe was kept away from to the air conditioning connecting pipe communicates each other with the hot-blast pipe, the valve is all installed to the outside of aeration pipe, air conditioning connecting pipe, hot-blast pipe and steam connecting pipe.
A method of catalytic oxidation for gas field wastewater treatment comprising the steps of:
a. pumping the gas field wastewater subjected to coagulation sedimentation and iron-carbon micro-electrolysis treatment into an electrocatalytic oxidation pond, electrifying two sides of an electrode plate, and standing for 12 hours;
b. pumping the waste liquid after standing in the process into the contact oxidation tank, connecting an air pump leading pipe with external air compression equipment, and staying the waste liquid in the contact oxidation tank for 24 hours;
c. an electronic thermometer is adopted to monitor the water temperature in the contact oxidation pond in the process of stopping the waste liquid;
d. when the water temperature is lower than 30 ℃, opening external valves of the hot air connecting pipe and the cold air connecting pipe, and closing valves at the positions of the aeration pipe and the hot air pipe;
e. when the water temperature is higher than 40 ℃, the external valves of the aeration pipe and the hot air pipe are opened, and the valves at the hot air connecting pipe and the cold air connecting pipe are closed.
Preferably, the valve outside the aeration pipe does not influence the gas passing through the inside of the hot gas connecting pipe to enter the inside of the contact oxidation pond when being closed.
Preferably, the external valve of the hot air pipe does not influence the passing gas inside the cold air connecting pipe to enter the power generation assembly when being closed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the air guide pipe, the center of one end of the air guide pipe is provided with a small hole, the center of the other end of the air guide pipe is provided with a blocking structure, when high-pressure air is blown in from the side surface of the air guide pipe along the tangential direction, the high-pressure air can form a turbine phenomenon in the air guide pipe, at the moment, cold air flow and hot air flow can be respectively generated at the two ends of the air guide pipe, the cold air flow and the hot air flow are respectively collected through the pipeline and then are led into the contact oxidation pond, the temperature in the contact oxidation pond can be adjusted through the cold air flow and the hot air flow, so that an operator can conveniently adjust the temperature of the pond, and a proper active temperature is created for aerobic organisms.
2. According to the invention, the contact oxidation tank, the electrocatalytic oxidation tank and the power generation assembly are combined, high-pressure air which overflows partially in the contact oxidation process acts on the power generation assembly, and then electric energy is generated to act on the electrocatalytic oxidation process, so that the overflowed high-pressure air is effectively utilized, and the device saves more energy.
Drawings
FIG. 1 is a schematic side elevational view of the structure of the present invention;
FIG. 2 is a plan view of a contact oxidation cell of the structure of the present invention;
FIG. 3 is a schematic view of the interior of the contact oxidation cell of the structure of the present invention;
FIG. 4 is a schematic side view of a structured bio-packing element of the present invention;
FIG. 5 is a schematic perspective view of an aeration structure of the present invention;
FIG. 6 is a schematic view of the internal structure of the power generation assembly of the present invention;
FIG. 7 is a schematic view of the internal structure of the air duct of the present invention;
FIG. 8 is a schematic view of a first end face of an air duct according to the present invention;
fig. 9 is a schematic view of a second end face of the air guide pipe of the structure of the present invention.
In the figure: 1. an air guide pipe; 101. a cold air outlet; 102. a hot air outlet; 103. a high pressure air inlet; 2. a contact oxidation pond; 3. an electrocatalytic oxidation cell; 4. a power generation assembly; 401. a housing; 402. a turbine; 403. an air inlet; 404. a rotor; 405. a stator; 5. an electric control box; 501. a junction box; 6. a cold air pipe; 601. an aeration pipe; 602. a branch pipe; 603. a cold air connection pipe; 7. a hot air pipe; 701. a hot gas connection pipe; 8. a valve; 9. an air pump connecting pipe; 10. a storage battery; 11. a biological packing member; 1101. supporting the steel wire; 1102. a biological filler; 1103. a hook; 1104. a limit column; 12. an aeration structure; 1201. a power turbine; 1202. a support rod; 1203. a blade; 13. an electrode plate; 14. an air outlet pipe; 1401. and an air outlet hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1-8, the present invention provides a technical solution: a catalytic oxidation device for gas field wastewater treatment comprises a contact oxidation tank 2 and an electrocatalytic oxidation tank 3; the wastewater flows into the inside of the contact oxidation pond 2 at one side after being treated by the electrocatalytic oxidation pond 3; the side of the contact oxidation pond 2 far away from the electrocatalytic oxidation pond 3 is provided with an air guide pipe 1, one end of the air guide pipe 1 close to the contact oxidation pond 2 is provided with a cold air pipe 6, the inner bottom of the contact oxidation pond 2 is provided with an aeration structure 12, one end of the air guide pipe 1 far away from the contact oxidation pond 2 is provided with a hot air pipe 7, and one side of the electrocatalytic oxidation pond 3 far away from the contact oxidation pond 2 is provided with a power generation assembly 4;
the power generation assembly 4 comprises a shell 401, a turbine 402, an air inlet 403, a rotor 404 and a stator 405, wherein the turbine 402 is arranged on one side of the inside of the shell 401, the air inlet 403 is obliquely formed in the side wall of the shell 401 on one side of the turbine 402, the rotor 404 is arranged on one side of the turbine 402, the stator 405 is sleeved in the inside of the rotor 404 outside Zhou Keti, and the position of the air inlet 403 is communicated with one end of the hot air pipe 7;
one end of the cold air pipe 6, which is far away from the air guide pipe 1, is connected with an aeration pipe 601, a branch pipe 602 and a cold air connecting pipe 603, one end of the aeration pipe 601, which is far away from the cold air pipe 6, extends to the bottom of the contact oxidation pond 2 and is communicated with the air outlet pipe 14, a hot air connecting pipe 701 is communicated between the aeration pipe 601 and the hot air pipe 7, one end of the branch pipe 602, which is far away from the cold air pipe 6, extends to the inside of the electrocatalytic oxidation pond 3, one end of the cold air connecting pipe 603, which is far away from the cold air pipe 6, is communicated with the hot air pipe 7, and valves 8 are arranged outside the aeration pipe 601, the cold air connecting pipe 603, the hot air pipe 7 and the hot air connecting pipe 701;
a plurality of biological filler members 11 are uniformly hoisted in the contact oxidation pond 2;
the electrocatalytic oxidation tank 3 is internally and uniformly provided with a plurality of electrode plates 13, the installation distance between two groups of electrode plates 13 is 5cm-10cm, one surface of each electrode plate 13 is a multi-element metal oxide added with rare earth metal, and two sides of each electrode plate 13 are provided with 10-15V voltage.
Specifically, when high-pressure air is blown in from the side surface of the air guide pipe 1 along the tangential direction, the high-pressure air forms a turbine phenomenon in the air guide pipe 1, at this time, cold air flow and hot air flow are respectively generated at two ends of the air guide pipe 1, the principle of the air guide pipe 1 is that the air flows and exchanges from the center of an object to the edge of the object, the cold air is led out through the cold air pipe 6, the hot air is led out through the hot air pipe 7, the cold air pipe 6 and the hot air pipe 7 are respectively led into the aeration pipe 601, the branch pipe 602, the cold air connecting pipe 603 and the hot air connecting pipe 701 to form a pipeline system, and a user can select to lead the cold air or the hot air into the contact oxidation pond 2 by adjusting corresponding valves;
part of air is led into the contact oxidation pond 2 through the aeration pipe 601, bubbles are formed at the bottom of the contact oxidation pond 2, then the bubbles are stirred through the aeration structure 12, and the bubbles and water are stirred and mixed so as to ensure that the air and sewage exchange heat to the greatest extent, and meanwhile, the solubility of oxygen can be increased;
part of air is led into the position of the power generation assembly 4 through the air following pipe 7, five component shells 401, the turbine 402, the air inlet 403, the rotor 404 and the stator 405 of the power generation assembly 4 form a wind power generation structure, namely, high-pressure air blows the turbine 402 to rotate, the turbine 402 drives the rotor 404 to rotate in the stator 405 through a central support shaft to generate current, the specific structures of the rotor 404 and the stator 405 in the file are the same as the movable core and the fixed core in the motor in the prior art, the principle is that the coil cutting magnetic field is utilized to generate electric energy, the whole power generation assembly 4 can collect and utilize part of high-pressure air, the energy waste caused by the discharge of the high-pressure air is avoided, and the current generated by the power generation assembly 4 is conveyed into the electric cabinet 5 through a slip ring and lead structure and then conveyed into the storage battery 10 for storage through the electric cabinet 5;
the electrode plate 13 is a metal oxide doped titanium-based electrode dual-function electrode, one surface of the electrode plate is an oxide electrocatalytic anode surface, has a high-grade electrocatalytic oxidation activity function, and can degrade and mineralize organic matters with relatively stable structures; the other side is an electrocatalytic cathode surface, has an electrochemical reduction activity function, enables heavy metal ions to be electrodeposited and removed, and is provided with an external power plug in order to ensure that the electrode plate 13 can stabilize the power supply device to supply power to the outside of the storage battery 10, the electric cabinet 5 is provided with a rectifier and a control switch circuit, namely, when the electrode plate 13 is powered by an external power supply, a user can disconnect the circuit between the storage battery 10 and the electrode plate 13 through the internal control switch circuit of the electric cabinet 5.
Further, the aeration structure 12 comprises a power turbine 1201, a supporting rod 1202 and blades 1203, the bottom end of the supporting rod 1202 is sleeved with an air outlet pipe 14, six power turbines 1201 are uniformly arranged on one side, close to the air outlet pipe 14, of the outer wall of the supporting rod 1202, three groups of blades 1203 are equidistantly arranged on one side, far away from the power turbines 1201, of the outer wall of the supporting rod 1202, and air outlet holes 1401 are obliquely formed in one side, close to the air outlet pipe 14, of the supporting rod 1202.
Specifically, the bottom of aeration structure 12 is connected with outlet duct 14 top mutual rotation through plane bearing structure, high-pressure gas is led into outlet duct 14 position department through aeration pipe 601, high-pressure gas sprays the pond inside through the venthole 1401 that the slope set up, high-pressure gas can strike on turbine 1201 after spraying from venthole 1401, drive turbine 1201 drive bracing piece 1202 and rotate, can drive blade 1203 in sewage stirring in the rotatory in-process of bracing piece 1202, the high-pressure gas of exhaust through venthole 1401 can produce the steam pocket, turbine 1201 makes sewage form the vortex, blade 1203 can cut the bubble, can increase the dissolution effect of oxygen in sewage.
Further, the bio-filler member 11 includes a supporting steel wire 1101, bio-filler 1102, a hook 1103 and a limiting column 1104, the top of the supporting steel wire 1101 is provided with the hook 1103, the limiting column 1104 is installed at one side of the hook 1103, and the bio-filler 1102 is uniformly arranged along the axial direction outside the supporting steel wire 1101.
Specifically, a group of metal grids are welded at the top of the contact oxidation pond 2 in a welding mode, as shown in fig. 2, the supporting steel wires 1101 are hung on the metal grids through the hooks 1103, the biological filler 1102 is bound outside the supporting steel wires 1101, the biological filler 1102 is an ethylene-propylene copolymer material net bag, aerobic microorganisms grow on the surface of the biological filler, the aerobic microorganisms thoroughly decompose organic matters and release carbon dioxide, one side of the hooks 1103 is hinged with the limiting column 1104, and the position of the hinged shaft is provided with a torsion spring structure, namely the structure is the same as a safety belt hook box in the prior art, so that a user can conveniently take out the supporting steel wires 1101 to replace the biological filler 1102.
Further, one end of the air guide pipe 1 is provided with a cold air outlet 101, one end of the air guide pipe 1 away from the cold air outlet 101 is provided with a hot air outlet 102, the side wall of the air guide pipe 1 is provided with a high-pressure air inlet 103 along the tangential direction, the high-pressure air inlet 103 is communicated with the inside of the air guide pipe 1, and one side of the high-pressure air inlet 103 away from the air guide pipe 1 is connected with an air pump connecting pipe 9.
The external valve of the aerator pipe 601 does not influence the gas passing through the inside of the hot gas connection pipe 701 to enter the inside of the contact oxidation tank 2 when being closed.
The external valve of the hot air duct 7 does not affect the passage of the air inside the cold air connection pipe 603 into the power generation module 4 when it is closed.
Further, electric cabinet 5 is installed at the top of power generation subassembly 4, and terminal box 501 is installed to one side that electric cabinet 5 is close to electrocatalytic oxidation pond 3, and terminal box electricity 501 is connected through the wire respectively with the both sides of electrode plate 13, and battery 10 is installed to power generation subassembly 4 one side.
A method of catalytic oxidation for gas field wastewater treatment comprising the steps of:
a. pumping the gas field wastewater subjected to coagulation sedimentation and iron-carbon micro-electrolysis treatment into an electrocatalytic oxidation tank 3, electrifying two sides of an electrode plate 13, and standing for 12 hours;
specifically, when voltage difference exists on two sides of the electrode plate 13, the multi-element metal oxide of the metal oxide titanium has high-grade electrocatalytic oxidation activity function on the anode surface, so that organic matters with relatively stable structures can be degraded and mineralized; the other side is an electrocatalytic cathode surface, has electrochemical reduction activity function, and ensures that heavy metal ions are removed by electrodeposition.
b. Pumping the waste liquid after standing in the process into the contact oxidation tank 2, connecting an air pump connecting pipe 9 with external air compression equipment, and keeping the waste liquid in the contact oxidation tank 2 for 24 hours;
c. in the process of waste liquid stay, an electronic thermometer is adopted to monitor the water temperature in the contact oxidation pond 2;
d. when the water temperature is lower than 30 ℃, opening external valves of the hot air connecting pipe 701 and the cold air connecting pipe 603, and closing valves at the aeration pipe 601 and the hot air pipe 7;
e. when the water temperature is higher than 40 ℃, external valves of the aeration pipe 601 and the hot air pipe 7 are opened, and valves at the hot air connecting pipe 701 and the cold air connecting pipe 603 are closed.
Specifically, after an operator measures the temperature of the water tank through an electronic thermometer, if the temperature of the water tank is lower than 30 ℃, external valves of a hot air connecting pipe 701 and a cold air connecting pipe 603 are opened, valves at an aeration pipe 601 and a hot air pipe 7 are closed, hot air is led into the position of an air outlet pipe 14 through the aeration pipe 601, high-pressure air is sprayed into the water tank through an air outlet hole 1401 which is obliquely arranged, the hot air is sprayed from the air outlet hole 1401 and then is impacted on a turbine 1201, the turbine 1201 is driven to drive a supporting rod 1202 to rotate, the blade 1203 is driven to stir in sewage in the rotating process of the supporting rod 1202, the hot air discharged through the air outlet hole 1401 possibly generates a steam pocket, the turbine 1201 enables the sewage to form vortex, the blade 1203 can cut the air bubble, and heat is transferred into the water tank;
if the temperature of the water tank is higher than 40 ℃, the external valves of the aeration pipe 601 and the hot air pipe 7 are opened, the valves of the hot air connecting pipe 701 and the cold air connecting pipe 603 are closed, cold air is led into the position of the air outlet pipe 14 through the aeration pipe 601, high-pressure air is sprayed into the water tank through the air outlet holes 1401 which are obliquely arranged, cold air is sprayed from the air outlet holes 1401 and then can impact on the turbines 1201, the turbines 1201 are driven to drive the supporting rods 1202 to rotate, the blades 1203 are driven to stir in sewage in the rotating process of the supporting rods 1202, the cold air exhausted through the air outlet holes 1401 possibly generates a steam drum, the turbines 1201 enable sewage to form vortex, the blades 1203 can cut air bubbles, and heat in the water is transferred into the air and then is exhausted out of the water.
To sum up: the high pressure air is blown into the side surface of the air guide pipe 1 along the tangential direction to form a turbine phenomenon, at the moment, cold air flow and hot air flow are respectively generated at the two ends of the air guide pipe 1, the cold air is led out through the cold air pipe 6, the hot air is led out through the hot air pipe 7, the cold air pipe 6 and the hot air pipe 7 are respectively led into the aeration pipe 601, the branch pipe 602, the cold air connecting pipe 603 and the hot air connecting pipe 701 to form a pipeline system, a user can select to guide the cold air or the hot air into the contact oxidation pond 2 by adjusting corresponding valves,
part of air is guided into the position of the power generation assembly 4 through the air following pipe 7, the air blows the turbine 402 to rotate, the turbine 402 drives the rotor 404 coil to rotate in the stator 405 magnet through the central supporting shaft, current is generated, and the current is transmitted to two sides of the electrode plate 13.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A catalytic oxidation device for gas field wastewater treatment, which comprises a contact oxidation tank (2) and an electrocatalytic oxidation tank (3); the wastewater flows into the inside of the contact oxidation pond (2) at one side after being treated by the electrocatalytic oxidation pond (3); the method is characterized in that: an air guide pipe (1) is arranged on one side, far away from the electrocatalytic oxidation pond (3), of the contact oxidation pond (2), a cold air pipe (6) is arranged at one end, close to the contact oxidation pond (2), of the air guide pipe (1), an aeration structure (12) is arranged at the inner bottom of the contact oxidation pond (2), a hot air pipe (7) is arranged at one end, far away from the contact oxidation pond (2), of the air guide pipe (1), and a power generation assembly (4) is arranged on one side, far away from the contact oxidation pond (2), of the electrocatalytic oxidation pond (3);
the power generation assembly (4) comprises a shell (401), a turbine (402), an air inlet (403), a rotor (404) and a stator (405), wherein the turbine (402) is arranged on one side of the interior of the shell (401), the air inlet (403) is obliquely formed in the side wall of the shell (401) on one side of the turbine (402), the rotor (404) is arranged on one side of the turbine (402), the stator (405) is sleeved in the interior of the rotor (404) outside Zhou Keti (401), and the position of the air inlet (403) is mutually communicated with one end of the hot air pipe (7);
a plurality of biological filler members (11) are uniformly hoisted in the contact oxidation pond (2);
a plurality of electrode plates (13) are uniformly arranged in the electrocatalytic oxidation pond (3), the installation distance between two groups of electrode plates (13) is 5cm-10cm, one surface of each electrode plate (13) is a multi-element metal oxide added with rare earth metal, and two sides of each electrode plate (13) are provided with 10-15V voltage; the aeration structure (12) comprises a power turbine (1201), a supporting rod (1202) and blades (1203), an air outlet pipe (14) is sleeved at the bottom end of the supporting rod (1202), six power turbines (1201) are uniformly arranged on one side, close to the air outlet pipe (14), of the outer wall of the supporting rod (1202), three groups of blades (1203) are equidistantly arranged on one side, far away from the power turbine (1201), of the outer wall of the supporting rod (1202), and an air outlet hole (1401) is obliquely arranged on one side of the air outlet pipe (14); one end of the air guide pipe (1) is provided with a cold air outlet (101), one end of the air guide pipe (1) away from the cold air outlet (101) is provided with a hot air outlet (102), the side wall of the air guide pipe (1) is provided with a high-pressure air inlet (103) along the tangential direction, the high-pressure air inlet (103) is communicated with the inside of the air guide pipe (1), and one side of the high-pressure air inlet (103) away from the air guide pipe (1) is connected with an air pump connecting pipe (9); an electric cabinet (5) is arranged at the top of the power generation assembly (4), a junction box (501) is arranged at one side of the electric cabinet (5) close to the electrocatalytic oxidation tank (3), the junction box (501) is connected with two sides of the electrode plate (13) through wires respectively, and a storage battery (10) is arranged at one side of the power generation assembly (4); one end that guide duct (1) was kept away from to cold air duct (6) is connected with aeration pipe (601), branch pipe (602) and air conditioning connecting pipe (603), the one end that cold air duct (6) was kept away from to aeration pipe (601) extends to the bottom of contact oxidation pond (2) and outlet duct (14) intercommunication each other, the intercommunication has steam connecting pipe (701) between aeration pipe (601) and hot-blast main (7), the one end that cold air duct (6) was kept away from to branch pipe (602) extends to the inside of electrocatalytic oxidation pond (3), the one end that cold air duct (6) was kept away from to air conditioning connecting pipe (603) communicates each other with hot-blast main (7), valve (8) are all installed to the outside of aeration pipe (601), air conditioning connecting pipe (603), hot-blast main (7) and steam connecting pipe (701).
2. A catalytic oxidation unit for gas field wastewater treatment according to claim 1, wherein: the biological filler member (11) comprises a supporting steel wire (1101), biological fillers (1102), hooks (1103) and a limiting column (1104), wherein the hooks (1103) are arranged at the top of the supporting steel wire (1101), the limiting column (1104) is arranged on one side of each hook (1103), and the biological fillers (1102) are uniformly distributed outside the supporting steel wire (1101) along the axial direction.
3. A catalytic oxidation method for gas field wastewater treatment, which is characterized by comprising the following steps: a catalytic oxidation unit for use in the treatment of gas field wastewater as claimed in any one of claims 1-2, the method comprising the steps of;
a. pumping the gas field wastewater subjected to coagulation sedimentation and iron-carbon micro-electrolysis treatment into an electrocatalytic oxidation tank (3), electrifying two sides of an electrode plate (13), and standing for 12 hours;
b. pumping the waste liquid after standing in the process into the contact oxidation tank (2), connecting an air pump connecting pipe (9) with external air compression equipment, and staying the waste liquid in the contact oxidation tank (2) for 24 hours;
c. an electronic thermometer is adopted to monitor the water temperature in the contact oxidation pond (2) during the waste liquid staying process;
d. when the water temperature is lower than 30 ℃, the hot air connecting pipe (701) and the cold air connecting pipe (603) are opened
An external valve for closing the valves at the aeration pipe (601) and the hot air pipe (7);
e. when the water temperature is higher than 40 ℃, external valves of the aeration pipe (601) and the hot air pipe (7) are opened, and valves at the hot air connecting pipe (701) and the cold air connecting pipe (603) are closed.
4. A method for catalytic oxidation for field wastewater treatment according to claim 3, wherein: the external valve of the aeration pipe (601) does not influence the gas passing through the inside of the hot gas connecting pipe (701) to enter the inside of the contact oxidation tank (2) when being closed.
5. A method for catalytic oxidation for field wastewater treatment according to claim 3, wherein: when the external valve of the hot air pipe (7) is closed, the passing gas in the cold air connecting pipe (603) cannot be influenced, and the gas enters the power generation assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691819.1A CN114988621B (en) | 2022-06-18 | 2022-06-18 | Catalytic oxidation device and method for gas field wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691819.1A CN114988621B (en) | 2022-06-18 | 2022-06-18 | Catalytic oxidation device and method for gas field wastewater treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114988621A CN114988621A (en) | 2022-09-02 |
| CN114988621B true CN114988621B (en) | 2023-09-26 |
Family
ID=83035781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210691819.1A Active CN114988621B (en) | 2022-06-18 | 2022-06-18 | Catalytic oxidation device and method for gas field wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114988621B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1590479A1 (en) * | 1988-12-22 | 1990-09-07 | Всесоюзный научно-исследовательский проектно-конструкторский институт прикладной биохимии | Method of growing microorganisms |
| CN105502634A (en) * | 2016-01-07 | 2016-04-20 | 绍兴广润数码科技有限公司 | Aerator |
| CN106045198A (en) * | 2016-06-21 | 2016-10-26 | 中国海洋石油总公司 | System and method for treating polymer-containing waste water by electrocatalytic oxidation coupling biological system |
| CN106839489A (en) * | 2017-02-16 | 2017-06-13 | 江苏大学 | A kind of vortex tube automatic temperature-regulator and control method for intelligence aeration plug-flow system |
| CN210176665U (en) * | 2018-11-13 | 2020-03-24 | 湖北汇一环保科技有限公司 | Electrocatalytic oxidation treatment system for domestic sewage |
| CN113566388A (en) * | 2021-08-06 | 2021-10-29 | 深圳朴坂科技有限公司 | Power generation device capable of improving energy efficiency ratio of air conditioner |
-
2022
- 2022-06-18 CN CN202210691819.1A patent/CN114988621B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1590479A1 (en) * | 1988-12-22 | 1990-09-07 | Всесоюзный научно-исследовательский проектно-конструкторский институт прикладной биохимии | Method of growing microorganisms |
| CN105502634A (en) * | 2016-01-07 | 2016-04-20 | 绍兴广润数码科技有限公司 | Aerator |
| CN106045198A (en) * | 2016-06-21 | 2016-10-26 | 中国海洋石油总公司 | System and method for treating polymer-containing waste water by electrocatalytic oxidation coupling biological system |
| CN106839489A (en) * | 2017-02-16 | 2017-06-13 | 江苏大学 | A kind of vortex tube automatic temperature-regulator and control method for intelligence aeration plug-flow system |
| CN210176665U (en) * | 2018-11-13 | 2020-03-24 | 湖北汇一环保科技有限公司 | Electrocatalytic oxidation treatment system for domestic sewage |
| CN113566388A (en) * | 2021-08-06 | 2021-10-29 | 深圳朴坂科技有限公司 | Power generation device capable of improving energy efficiency ratio of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114988621A (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107215929A (en) | A kind of electric flocculation unit, electric flocculation device and heavy metal waste water treatment system | |
| CN201567249U (en) | Ultrasonic electrochemical wastewater treatment device | |
| EP2160786A2 (en) | Bioelectrochemical reactor | |
| CN102849878A (en) | Pretreatment method for industrial wastewater of pyrethroid | |
| CN101891285B (en) | Device and method for treating phenol wastewater | |
| CN105731604A (en) | Advanced treatment method for electroplating wastewater | |
| CN114988621B (en) | Catalytic oxidation device and method for gas field wastewater treatment | |
| CN112374706B (en) | A circulation denitrification device for food industry waste water | |
| CN101264974A (en) | Device for increasing active sludge oxygen-consuming rate by using electrostatic field | |
| CN201592999U (en) | Micro electrolyzation waste water processor | |
| CN218465650U (en) | Wastewater treatment equipment | |
| CN203781882U (en) | Oxidation-flocculation complex bed device for landfill leachate | |
| Li et al. | Enhanced electrocatalytic oxidation of dyes in aqueous solution using cobalt phthalocyanine modified activated carbon fiber anode | |
| CN110282727A (en) | One kind is pumped up water oxygenation algae-removing method and equipment | |
| CN210683472U (en) | Treatment device for styrene oxide and tetramisole hydrochloride production wastewater | |
| CN212334826U (en) | Floating stirrer for sewage treatment facility | |
| CN221759640U (en) | High-efficient normal position electro-Fenton water treatment facilities | |
| CN207031059U (en) | A kind of advanced oxidation equipment and sewage disposal system | |
| CN107285468B (en) | Black and odorous river water purifying ship | |
| CN114870616B (en) | electrobiological-Fenton-like integrated reactor for treating volatile organic waste gas | |
| CN111732207A (en) | Microbial sewage treatment pool | |
| JP2005224772A (en) | Fermentation apparatus equipped with sterilizing device | |
| CN219971954U (en) | Three-dimensional electrode system for electrochemical treatment of organic wastewater | |
| CN220413073U (en) | Energy-saving environment-friendly microbial sewage treatment device | |
| CN114920429B (en) | Pigment effluent treatment plant of MFC coupling electricity Fenton |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |