CN111592095A - Secondary mixing jet aeration treatment system - Google Patents
Secondary mixing jet aeration treatment system Download PDFInfo
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- CN111592095A CN111592095A CN202010463993.1A CN202010463993A CN111592095A CN 111592095 A CN111592095 A CN 111592095A CN 202010463993 A CN202010463993 A CN 202010463993A CN 111592095 A CN111592095 A CN 111592095A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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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Abstract
The invention discloses a secondary mixed jet aeration treatment system, which is used for solving the problems that the conventional biochemical aerobic tank mostly adopts a micropore aeration form to carry out aeration and oxygenation, the micropore aeration air demand is large, the power energy consumption is large, the blockage is easy to occur, the frequent replacement and detection are needed, and the inconvenience is brought to the stable operation of the system; the gas-water mixed liquid sprayed by the invention is upward along the guide cylinder until the gas-water mixed liquid is sprayed out of the water surface, and the gas-water mixed liquid is impacted on the reflecting conical cap, and the sprayed liquid is uniformly dispersed towards the periphery of the reflecting cap, which is equivalent to the action of surface aeration, so that the oxygen mass transfer efficiency and the oxygen mass transfer rate are further improved, and the liquid returning to the water body forms a circulating flow inside and outside the guide cylinder, so that the stirring effect in the pool body is promoted; has the characteristics of small occupied area, simple structure, convenient installation and maintenance, uniform mixing, uniform distribution of oxygen, low energy consumption and the like.
Description
Technical Field
The invention relates to the technical field of aerobic sewage treatment equipment, in particular to a secondary mixed jet aeration treatment system.
Background
In the field of sewage treatment, both domestic sewage and industrial wastewater are mainly organic wastewater, and organic wastewater is treated, and the aerobic biochemical treatment process is widely applied due to the efficient and stable treatment effect and low operation cost. The aerobic biochemical treatment of sewage can not leave the aeration device, and the aeration device has the following functions: sufficient oxygen is provided for the aerobic biochemical pool to ensure the proliferation and growth of aerobic sludge microorganisms and the efficient oxidative degradation of organic pollutants; in addition, the aeration also provides a certain stirring and mixing effect, so that the sludge is ensured to be in a suspension state, and the oxygen distribution is more uniform.
At present, a biochemical aerobic tank mostly adopts a micropore aeration form for aeration and oxygenation, and micropore aeration has the defects of large air demand, large power energy consumption, easy blockage, frequent replacement and detection, and inconvenience for stable operation of a system.
Disclosure of Invention
The invention aims to provide a secondary mixed jet aeration treatment system in order to solve the problems that the conventional biochemical aerobic tank mostly adopts a micropore aeration mode for aeration and oxygenation, the micropore aeration air requirement is large, the power energy consumption is large, the blockage is easy to occur, the frequent replacement and detection are required, and the inconvenience is brought to the stable operation of the system.
The purpose of the invention can be realized by the following technical scheme: a secondary mixed jet aeration treatment system comprises a jet device main body, a hydraulic mixed jet pipe, a guide cylinder, a reflecting conical cap and a base plate;
the jet device main body comprises a water inlet for conveying circulating wastewater, an air inlet for conveying air and two-stage nozzles; wherein the two-stage nozzles are respectively a first-stage nozzle and a second-stage nozzle; one end of the water inlet and one end of the air inlet are both communicated with one end of the primary nozzle, and the other end of the primary nozzle is connected with one end of the secondary nozzle;
the other end of the water inlet is connected with an external water pump through a water pipe, and the other end of the air inlet is connected with an external air blower through an air pipe;
one end of the hydraulic mixing jet pipe is communicated with the other end of a secondary nozzle in the jet device main body, the primary nozzle is used for jetting high-speed flowing wastewater, the secondary nozzle is positioned at the tail end of the gas-water mixing cavity, and the secondary nozzle is used for jetting a gas-water mixture;
the guide cylinder comprises a main body cylindrical cylinder and a diffusion conical cylinder arranged at the bottom of the main body cylindrical cylinder, a small hole is formed in the bottom of the main body cylindrical cylinder, and the other end of the hydraulic mixing and spraying pipe penetrates through the small hole;
the reflecting conical cap is positioned above the guide cylinder and is welded and fixed at the top end of the guide cylinder through a supporting steel plate;
guide rails are symmetrically arranged on the side walls of the two sides of the main cylindrical barrel, and a plurality of gear clamping grooves are uniformly formed in the guide rails;
a sleeve hole is formed in the center of the base plate, guide rail grooves are symmetrically formed in two sides of the sleeve hole, the main cylindrical barrel penetrates through the sleeve hole, and the guide rails are mounted in the guide rail grooves;
the upper end surface of the base plate is positioned on two sides of the trepanning and is fixedly provided with a first motor through bolts, a gear is welded at the main shaft end of the first motor, and a plurality of teeth matched with the gear clamping grooves for use are uniformly arranged on the gear; locking mechanisms are mounted at the edges of two sides of the upper end face of the base plate and used for locking and fixing the gear;
two power supply chambers are symmetrically arranged in the substrate, a storage battery and a second motor are arranged in the power supply chambers, a main shaft end of the second motor penetrates through the side wall of the power supply chambers and is positioned outside the substrate, and a propeller is arranged at the main shaft end of the second motor; a circuit board is installed on the side wall of one power supply chamber, a secondary mixed jet aeration management system is installed on a circuit board main board, and two air inflation cushions are symmetrically installed on two sides of the bottom end face of the base plate.
Further, the hydraulic mixing injection pipe comprises a throat pipe and a diffusion pipe, wherein the throat pipe is a straight pipe with the same diameter as the secondary nozzle, and the diffusion pipe is a conical pipe with gradually increased diameter; the specific value range of the length of the throat pipe and the pipe diameter of the throat pipe is 5-7, the diffusion angle range of the diffusion pipe is 3-6 degrees, and the specific value range of the tail end pipe diameter and the front end pipe diameter of the diffusion pipe is 1.5-3.0; the diffusion cone is a cone and is connected with the main body cylinder through welding.
Further, the ratio range of the distance between the primary nozzle and the secondary nozzle and the pipe diameter of the secondary nozzle is 0.5-1.0.
Further, locking mechanism includes the casing, and the appearance chamber has been seted up to the inside of casing, and the inner wall that holds the chamber has electric putter's one end through screw fixed mounting, and electric putter's push rod end department is through welded fastening connection arc piece, and integrated into one piece has and is used for the fixture block of joint between adjacent tooth on the arc piece.
Further, the secondary mixed jet aeration management system comprises a data acquisition module, a data analysis module, a data storage module, a maintenance module, an execution module and a positioning module;
the data acquisition module is arranged in the jet device main body and is used for acquiring the flow value of the outlet in the jet device main body and sending the flow value to the data analysis module; the data analysis module is used for analyzing the flow value, and the specific analysis steps are as follows:
the method comprises the following steps: when the flow value is smaller than the set threshold, timing is started, when the timing time is equal to the set threshold, an acquisition instruction is generated and sent to the data acquisition module, and the data acquisition module acquires the flow value of the internal outlet of the jet device main body after receiving the acquisition instruction and sends the flow value to the data analysis module; when the flow value received by the data analysis module is smaller than a set threshold, timing again, when the timing time is equal to the set threshold, generating an acquisition instruction and sending the acquisition instruction to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of an outlet inside the jet device main body and sends the flow value to the data analysis module; when the received flow value is smaller than the set threshold value again, a blocking instruction is generated;
step two: acquiring maintenance information of maintenance personnel and calculating, wherein the maintenance information comprises a mobile phone number, a name, total maintenance times, a real-time position and a total maintenance value of the maintenance personnel;
step three: marking the maintenance personnel as Ri, i is 1, … … and n; setting the total maintenance times of the maintenance personnel as PRi(ii) a Marking the maintenance total value as ZRi(ii) a Calculating the distance difference between the real-time position of the maintenance personnel and the position of the jet device main body to obtain a maintenance distance DRi(ii) a Extracting the numerical values of the total maintenance times, the total maintenance value and the maintenance interval;
step four: using formulas
Obtaining a maintenance coincidence value W of the maintenance personnelRi(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients;
step five: selecting the maintenance person with the largest maintenance matching value as the selected person, and sending the blocking instruction and the position of the jet device main body to a mobile phone terminal of the selected person by the data analysis module; and starting timing at the same time, and marking the timing starting time as the sending time.
Further, the data storage module is used for storing maintenance information of maintenance personnel; the positioning module is used for acquiring the real-time positioning of maintenance personnel and the position of the jet device main body; the maintenance module is used for selecting personnel to block up the maintenance to the jet main part, and the concrete steps are:
the method comprises the following steps: after the selected person reaches the position of the jet device main body, a maintenance starting instruction is sent to the maintenance module through the mobile phone terminal, and after the maintenance starting instruction is received by the maintenance module, the moment when the maintenance starting instruction is received is marked as maintenance starting moment; meanwhile, generating a maintenance instruction to an execution module;
step two: after receiving the maintenance instruction, the execution module is in communication connection with the mobile phone terminal of the selected person through Bluetooth, and then the ejector main body is moved to the position of the selected person through the execution module;
step three: the jet device main body is maintained in a blocking mode by a selected person, the jet device main body is reset through the execution module after the blocking maintenance is completed, and a maintenance completion instruction is sent to the maintenance module through the mobile phone terminal;
step four: after the maintenance module receives the maintenance completion instruction, marking the time when the maintenance completion instruction is received as the completion time; meanwhile, the total maintenance times of the selected personnel are increased once;
step five: calculating the time difference between the sending time and the maintenance starting time to obtain an interval duration, and marking the interval duration as T1; calculating the time difference between the maintenance starting time and the maintenance finishing time to obtain maintenance duration, and marking the maintenance duration as T2;
step six: using formulas
Acquiring a single maintenance value ZA of the selected personnel; wherein c1 and c2 are both preset proportionality coefficients;
step seven: and summing all the single maintenance values of the selected personnel to obtain the total maintenance value of the selected personnel.
The execution module is used for controlling the starting and stopping of the second motor and the forward and reverse rotation of the second motor.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention conveys the mixture of the sludge and the sewage to the water inlet of the ejector main body through the water pump, air is conveyed to an air inlet of the ejector main body through the blower, high-speed flowing water flows through the primary nozzle to be ejected out, the viscous action generated by the air is taken away from the air in the air-water mixing cavity to form certain negative pressure, the conveyed air is continuously sucked in, the water flow ejected out of the primary nozzle and the air are ejected together to enter the secondary nozzle, in the hydraulic mixing jet pipe, in the throat pipe section, under the double action of the kinetic energy of jet flow and the back pressure of the jet device end, gas and liquid form mixing shock wave, the gas and liquid exchange energy violently, the gas is beaten into emulsion to form homogeneous emulsion, the diameter of the bubbles is small, after entering the diffusion pipe, because the flow velocity pressure head is converted into the pressure head, the bubbles are further compressed, and the oxygen mass transfer efficiency is obviously improved; after being sprayed out of the diffusion pipe, most of the gas-water mixed liquid is sprayed upwards under the action of the guide cylinder, the generated stirring action sucks the water at the bottom of the pool, the water at the bottom is continuously stirred and sucked under the action of diffusion radiation of the diffusion cone cylinder, sludge cannot sink at the bottom, in addition, the sprayed gas-water mixed liquid upwards along the guide cylinder until the sprayed water is out of the water surface and impacts the reflection cone cap, the sprayed liquid is uniformly dispersed towards the periphery of the reflection cap, at the moment, the mixed liquid is in a violent stirring and mixing state, oxygen in the air is transferred into the mixed liquid through a gas-liquid contact interface, which is equivalent to the action of surface aeration, the oxygen mass transfer efficiency and the oxygen mass transfer rate are further improved, the liquid returning to the water forms a circulating flow inside and outside the guide cylinder;
2. the data analysis module analyzes the flow value, specifically, when the flow value is smaller than a set threshold, timing is started, when the timing time is equal to the set threshold, an acquisition instruction is generated and sent to the data acquisition module, and the data acquisition module acquires the flow value of an internal outlet of the jet device main body after receiving the acquisition instruction and sends the flow value to the data analysis module; when the flow value received by the data analysis module is smaller than a set threshold, timing again, when the timing time is equal to the set threshold, generating an acquisition instruction and sending the acquisition instruction to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of an outlet inside the jet device main body and sends the flow value to the data analysis module; when the received flow value is smaller than the set threshold value again, a blocking instruction is generated; meanwhile, obtaining a maintenance fit value of a maintenance worker by using a formula; selecting the maintenance person with the largest maintenance matching value as the selected person, and sending the blocking instruction and the position of the jet device main body to a mobile phone terminal of the selected person by the data analysis module; a selected person blocks and maintains the jet flow device main body through the maintenance module, so that the problem that the maintenance person cannot block and maintain the jet flow device main body in time to influence the use of secondary mixed jet flow aeration is avoided;
3. the invention has the characteristics of small occupied area, simple structure, convenient installation and maintenance, large service area, uniform mixing, energy dispersion, small diameter of generated bubbles, distribution at each position in the service area, uniform distribution of oxygen and low energy consumption.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the draft tube of the present invention;
FIG. 2 is a schematic view of the overall structure of the ejector body of the present invention;
FIG. 3 is a schematic view of the overall structure of the substrate of the present invention;
FIG. 4 is a cross-sectional view of the internal structure of the substrate according to the present invention;
fig. 5 is a sectional view showing the internal structure of the locking mechanism of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a secondary mixing jet aeration treatment system comprises a jet device body 1, a hydraulic mixing jet pipe 2, a guide cylinder 3, a reflecting cone cap 4 and a base plate 6;
the ejector main body 1 comprises a water inlet 102 for conveying circulating wastewater, an air inlet 101 for conveying air and two-stage nozzles; wherein the two-stage nozzles are respectively a first-stage nozzle 103 and a second-stage nozzle 104; one end of each of the water inlet 102 and the air inlet 101 is communicated with one end of the primary nozzle 103, and the other end of the primary nozzle 103 is connected with one end of the secondary nozzle 104;
the other end of the water inlet 102 is connected with an external water pump through a water pipe, and the other end of the air inlet 101 is connected with an external blower through an air pipe;
one end of the hydraulic mixing jet pipe 2 is communicated with the other end of a secondary nozzle 104 in the jet device main body 1, a primary nozzle 103 is used for jetting high-speed flowing wastewater, the secondary nozzle 104 is positioned at the tail end of the gas-water mixing cavity, and the secondary nozzle 104 is used for jetting a gas-water mixture;
the guide shell 3 comprises a main cylindrical shell 302 and a diffusion cone 301 arranged at the bottom of the main cylindrical shell 302, a small hole is formed at the bottom of the main cylindrical shell 302, and the other end of the hydraulic mixing and spraying pipe 2 penetrates through the small hole;
the reflecting conical cap 4 is positioned above the guide shell 3, and the reflecting conical cap 4 is welded and fixed at the top end of the guide shell 3 through a supporting steel plate;
a sleeve hole 61 is formed in the center of the substrate 6, guide rail grooves 62 are symmetrically formed in two sides of the sleeve hole 61, the main cylindrical barrel 302 penetrates through the sleeve hole 61, and the guide rail 5 is installed in the guide rail grooves 62;
the upper end surface of the base plate 6 is positioned on two sides of the sleeve hole 61 and fixedly provided with a first motor 63 through bolts, a gear 64 is welded at the main shaft end of the first motor 63, and a plurality of teeth matched with the gear clamping grooves 51 for use are uniformly arranged on the gear 64; the locking mechanisms 65 are mounted at the edges of the two sides of the upper end face of the base plate 6, and the locking mechanisms 65 are used for locking and fixing the gear 64; the two first motors 63 drive the gears 64 to rotate, so that the guide cylinder 3 is driven to move upwards or downwards through gear engagement, and the vertical position of the guide cylinder 3 is adjusted;
two power supply chambers 67 are symmetrically formed in the substrate 6, a storage battery 671 and a second motor 672 are mounted in the power supply chambers 67, a spindle end of the second motor 672 penetrates through the side wall of the power supply chamber 67 and is located outside the substrate 6, and a propeller 673 is mounted at the spindle end of the second motor 672; a circuit board 673 is installed on the side wall of one power supply chamber 67, and a secondary mixed jet aeration management system 675 is installed on the main board of the circuit board 673; the propeller 673 is driven to rotate by the second motor 672, and then the substrate 6 and the guide cylinder 3 are driven to move on the surface of the sewage;
the hydraulic mixing and spraying pipe 2 comprises a throat pipe and a diffusion pipe, wherein the throat pipe is a straight pipe with the same diameter as the secondary nozzle 104, and the diffusion pipe is a conical pipe with the gradually increased diameter; the ratio range of the length of the throat pipe to the pipe diameter of the throat pipe is 5-7, the diffusion angle range of the diffusion pipe is 3-6 degrees, and the ratio range of the pipe diameter of the tail end of the diffusion pipe to the pipe diameter of the front end of the diffusion pipe is 1.5-3.0; the diffusion cone 301 is a cone and is connected with the main body cylinder 302 by welding.
The ratio of the distance between the first-stage nozzle 103 and the second-stage nozzle 104 to the pipe diameter of the second-stage nozzle 104 is in the range of 0.5-1.0.
The locking mechanism 65 comprises a shell 651, a containing cavity 651 is formed in the shell 651, one end of an electric push rod 653 is fixedly mounted on the inner wall of the containing cavity 651 through screws, an arc-shaped block 654 is fixedly connected to the end head of the push rod 653 through welding, and a clamping block 655 used for being clamped between adjacent teeth is integrally formed on the arc-shaped block 654;
the mixture of the sludge and the sewage is conveyed to a water inlet 102 of a jet device main body 1 through a water pump, air is conveyed to an air inlet 101 of the jet device main body 1 through an air blower, high-speed flowing water flows are sprayed out through a primary nozzle 103, the air generated by the viscous action of the air is taken away to form certain negative pressure, the conveyed air is continuously sucked in, the water flow sprayed out of the primary nozzle 103 and the air are sprayed out together to enter a secondary nozzle 104, in a hydraulic mixing and spraying pipe 2, under the double action of kinetic energy of jet flow and counter pressure at the tail end of the jet device, gas and liquid form mixing shock waves, violent energy exchange is carried out between the gas phase and the liquid phase, the gas is beaten into an emulsified state to form homogeneous emulsion, the diameter of bubbles is small and about 100 mu m, and after the homogeneous emulsion enters a diffusion pipe, the gas flows are converted into pressure heads due to flow, the bubbles are further compressed, and the oxygen mass transfer efficiency is obviously improved; after being sprayed out of the diffusion pipe, most of the gas-water mixed liquid is sprayed upwards under the action of the guide cylinder 3, the water at the bottom of the pool is sucked under the stirring action, the water at the bottom is continuously stirred and sucked under the diffusion radiation action of the diffusion cone cylinder, sludge cannot sink to the bottom, in addition, the sprayed gas-water mixed liquid upwards along the guide cylinder 3 until the water is sprayed out of the water surface and impacts the reflection cone cap 4, the sprayed liquid is uniformly dispersed towards the periphery of the reflection cap, at the moment, the mixed liquid is in a violent stirring and mixing state, oxygen in the air is transferred into the mixed liquid through a gas-liquid contact interface, which is equivalent to the action of surface aeration, the oxygen mass transfer efficiency and the oxygen mass transfer rate are further improved, the liquid returning to the water forms a circulating flow inside and outside the guide cylinder;
the jet device has small occupied area, is particularly suitable for an aerobic tank with limited occupied area, and has the following specific aspect ratio: greater than 10: 1, the structure is compact, the vertical space is effectively utilized, and the occupied area on a plane is reduced;
compared with the microporous aerator which is easy to block and break, the microporous aerator has simple structure and convenient installation and maintenance, and basically does not need to be overhauled under normal use;
the service area is large, the circulating flow inside and outside the guide cylinder 3 ensures the stirring state of the water body, the conical cylinder at the bottom ensures the water body at the bottom to keep a better stirring state, the water outlet of the guide cylinder at the top is sprayed and dispersed to keep the stirring at the top with certain strength, and the service area can reach a circle with the diameter of 6m by taking the guide cylinder as the center;
the mixing is uniform, the energy is dispersed, the diameter of the generated bubbles is small, the bubbles are distributed at each position in the service area, and the distribution of oxygen is uniform;
the jet aerator has the advantages that the energy consumption is low, the jet aerator main body 1 and the hydraulic mixing jet pipe 2 adopt the Venturi tube principle to generate certain negative pressure, the ratio of the air suction amount to the water supply amount can reach 1:1 under the water depth of 6m, the energy consumption required by air supply is effectively saved, in addition, bubbles generated by the jet aerator are small, the surface aeration gain effect is added, the dissolved oxygen efficiency of the jet aerator is high and can reach 18-25%;
the secondary mixed jet aeration management system 675 comprises a data acquisition module, a data analysis module, a data storage module, a maintenance module, an execution module and a positioning module;
the data acquisition module is arranged in the ejector main body 1 and used for acquiring a flow value of an internal outlet of the ejector main body 1 and sending the flow value to the data analysis module; the data analysis module is used for analyzing the flow value, and the specific analysis steps are as follows:
the method comprises the following steps: when the flow value is smaller than the set threshold, timing is started, when the timing time is equal to the set threshold, an acquisition instruction is generated and sent to the data acquisition module, and the data acquisition module acquires the flow value of the internal outlet of the jet device main body 1 and sends the flow value to the data analysis module after receiving the acquisition instruction; when the flow value received by the data analysis module is smaller than a set threshold, timing again, when the timing time is equal to the set threshold, generating an acquisition instruction and sending the acquisition instruction to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of an internal outlet of the jet device main body 1 and sends the flow value to the data analysis module; when the received flow value is smaller than the set threshold value again, a blocking instruction is generated;
step two: acquiring maintenance information of maintenance personnel and calculating, wherein the maintenance information comprises a mobile phone number, a name, total maintenance times, a real-time position and a total maintenance value of the maintenance personnel;
step three: marking the maintenance personnel as Ri, i is 1, … … and n; setting the total maintenance times of the maintenance personnel as PRi(ii) a Marking the maintenance total value as ZRi(ii) a Calculating the distance difference between the real-time position of the maintenance personnel and the position of the jet device main body 1 to obtain the maintenance distance DRi(ii) a Extracting the numerical values of the total maintenance times, the total maintenance value and the maintenance interval;
step four: using formulas
Obtaining a maintenance coincidence value W of the maintenance personnelRi(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients; wherein the symbols in the formula are all dequantized numerical values;
step five: selecting the maintenance person with the largest maintenance matching value as the selected person, and sending the blocking instruction and the position of the jet device main body 1 to a mobile phone terminal of the selected person by the data analysis module; and starting timing at the same time, and marking the timing starting time as the sending time.
The data storage module is used for storing maintenance information of maintenance personnel; the positioning module is used for acquiring the real-time positioning of maintenance personnel and the position of the jet device main body 1; the maintenance module is used for selecting personnel to block up the maintenance to the jet main body 1, and the concrete steps are as follows:
the method comprises the following steps: after the selected person reaches the position of the jet device main body 1, sending a maintenance starting instruction to the maintenance module through the mobile phone terminal, and after receiving the maintenance starting instruction, marking the time when the maintenance starting instruction is received as maintenance starting time by the maintenance module; meanwhile, generating a maintenance instruction to an execution module;
step two: after receiving the maintenance instruction, the execution module is in communication connection with the mobile phone terminal of the selected person through Bluetooth, and then the ejector main body 1 is moved to the position of the selected person through the execution module;
step three: a selected person blocks and maintains the jet device main body 1, the jet device main body 1 is reset through the execution module after the blocking maintenance is finished, and a maintenance completion instruction is sent to the maintenance module through the mobile phone terminal;
step four: after the maintenance module receives the maintenance completion instruction, marking the time when the maintenance completion instruction is received as the completion time; meanwhile, the total maintenance times of the selected personnel are increased once;
step five: calculating the time difference between the sending time and the maintenance starting time to obtain an interval duration, and marking the interval duration as T1; calculating the time difference between the maintenance starting time and the maintenance finishing time to obtain maintenance duration, and marking the maintenance duration as T2;
step six: using formulas
Acquiring a single maintenance value ZA of the selected personnel; wherein c1 and c2 are both preset proportionality coefficients; wherein the symbols in the formula are all dequantized numerical values;
step seven: and summing all the single maintenance values of the selected personnel to obtain the total maintenance value of the selected personnel.
The execution module is used for controlling the starting and stopping of the second motor 672 and the forward and reverse rotation of the second motor 672.
When the invention is used, the mixture of sludge and sewage is conveyed to the water inlet 102 of the ejector main body 1 by the water pump, air is conveyed to the air inlet 101 of the ejector main body 1 by the blower, high-speed flowing water flows are ejected through the primary nozzle 103 to generate the viscous action of the air, the air in the air-water mixing cavity is taken away to form certain negative pressure, the conveyed air is continuously sucked, the water flow ejected from the primary nozzle 103 and the air are ejected together to enter the secondary nozzle 104, in the hydraulic mixing ejection pipe 2, in the throat section,because the gas and the liquid form a mixed shock wave under the double actions of the kinetic energy of the jet flow and the back pressure at the tail end of the jet device, the gas and the liquid exchange energy fiercely, the gas is beaten into an emulsion to form a homogeneous emulsion, the diameter of the bubble is very small and is about 100 mu m, after the bubble enters the diffusion tube, the flow velocity pressure head is converted into a pressure head, the bubble is further compressed, and the oxygen mass transfer efficiency is obviously improved; after being sprayed out of the diffusion pipe, most of the gas-water mixed liquid is sprayed upwards under the action of the guide cylinder 3, the water at the bottom of the pool is sucked under the stirring action, the water at the bottom is continuously stirred and sucked under the diffusion radiation action of the diffusion cone cylinder, sludge cannot sink to the bottom, in addition, the sprayed gas-water mixed liquid upwards along the guide cylinder 3 until the water is sprayed out of the water surface and impacts the reflection cone cap 4, the sprayed liquid is uniformly dispersed towards the periphery of the reflection cap, at the moment, the mixed liquid is in a violent stirring and mixing state, oxygen in the air is transferred into the mixed liquid through a gas-liquid contact interface, which is equivalent to the action of surface aeration, the oxygen mass transfer efficiency and the oxygen mass transfer rate are further improved, the liquid returning to the water forms a circulating flow inside and outside the guide cylinder; the data analysis module is used for analyzing the flow value, specifically, when the flow value is smaller than a set threshold, timing is started, when the timing time is equal to the set threshold, an acquisition instruction is generated and sent to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of the internal outlet of the jet device main body 1 and sends the flow value to the data analysis module; when the flow value received by the data analysis module is smaller than a set threshold, timing again, when the timing time is equal to the set threshold, generating an acquisition instruction and sending the acquisition instruction to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of an internal outlet of the jet device main body 1 and sends the flow value to the data analysis module; when the received flow value is smaller than the set threshold value again, a blocking instruction is generated; while using the formula
Obtaining a maintenance coincidence value W of the maintenance personnelRi(ii) a Selecting the maintenance personnel with the maximum maintenance coincidence value as the selected personnel, and using the data analysis module to send a blocking instruction and the ejectorThe position of the main body 1 is sent to a mobile phone terminal of a selected person; select personnel to block up the maintenance through maintenance module to jet flow ware main part 1, avoid the maintenance personal can not in time block up the maintenance to jet flow ware main part 1, influence the use of secondary mixed jet flow aeration.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A secondary mixing jet aeration treatment system is characterized by comprising a jet device main body (1), a hydraulic mixing jet pipe (2), a guide cylinder (3), a reflecting conical cap (4) and a base plate (6);
the jet device main body (1) comprises a water inlet (102) for conveying circulating wastewater, an air inlet (101) for conveying air and two-stage nozzles; wherein the two-stage nozzles are respectively a first-stage nozzle (103) and a second-stage nozzle (104); one end of each of the water inlet (102) and the air inlet (101) is communicated with one end of the primary nozzle (103), and the other end of the primary nozzle (103) is connected with one end of the secondary nozzle (104);
the other end of the water inlet (102) is connected with an external water pump through a water pipe, and the other end of the air inlet (101) is connected with an external air blower through an air pipe;
one end of the hydraulic mixing jet pipe (2) is communicated with the other end of a secondary nozzle (104) in the jet device main body (1), the primary nozzle (103) is used for jetting high-speed flowing wastewater, the secondary nozzle (104) is positioned at the tail end of the gas-water mixing cavity, and the secondary nozzle (104) is used for jetting a gas-water mixture;
the guide cylinder (3) comprises a main cylindrical cylinder (302) and a diffusion cone cylinder (301) arranged at the bottom of the main cylindrical cylinder (302), a small hole is formed in the bottom of the main cylindrical cylinder (302), and the other end of the hydraulic mixing and spraying pipe (2) penetrates through the small hole;
the reflecting conical cap (4) is positioned above the guide shell (3), and the reflecting conical cap (4) is welded and fixed at the top end of the guide shell (3) through a supporting steel plate;
guide rails (5) are symmetrically arranged on the side walls of the two sides of the main cylindrical barrel (302), and a plurality of gear clamping grooves (51) are uniformly formed in the guide rails (5);
a sleeve hole (61) is formed in the center of the substrate (6), guide rail grooves (62) are symmetrically formed in two sides of the sleeve hole (61), the main cylindrical barrel (302) penetrates through the sleeve hole (61), and the guide rail (5) is installed in the guide rail grooves (62);
the upper end face of the base plate (6) is positioned on two sides of the sleeve hole (61) and fixedly provided with a first motor (63) through bolts, a gear (64) is welded at the main shaft end of the first motor (63), and a plurality of teeth matched with the gear clamping groove (51) in use are uniformly arranged on the gear (64); the locking mechanisms (65) are mounted at the edges of the two sides of the upper end face of the base plate (6), and the locking mechanisms (65) are used for locking and fixing the gear (64);
two power supply chambers (67) are symmetrically formed in the substrate (6), a storage battery (671) and a second motor (672) are mounted in the power supply chambers (67), a spindle end of the second motor (672) penetrates through the side wall of the power supply chambers (67) and is located outside the substrate (6), and a propeller (673) is mounted at the spindle end of the second motor (672); a circuit board (673) is installed on the side wall of one power supply chamber (67), a secondary mixed jet aeration management system (675) is installed on a main board of the circuit board (673), and two air inflation cushions (66) are symmetrically installed on two sides of the bottom end face of the substrate (6).
2. The secondary mixing jet aeration treatment system according to claim 1, wherein the hydraulic mixing jet pipe (2) comprises a throat pipe and a diffuser pipe, the throat pipe is a straight pipe with the same pipe diameter as the secondary nozzle (104), and the diffuser pipe is a conical pipe with gradually increasing pipe diameter; the specific value range of the length of the throat pipe and the pipe diameter of the throat pipe is 5-7, the diffusion angle range of the diffusion pipe is 3-6 degrees, and the specific value range of the tail end pipe diameter and the front end pipe diameter of the diffusion pipe is 1.5-3.0; the diffusion cone cylinder (301) is a cone cylinder and is connected with the main body cylindrical cylinder (302) through welding.
3. A secondary mixing jet aeration treatment system according to claim 1 wherein the ratio of the distance between the primary nozzles (103) and the secondary nozzles (104) to the tube diameter of the secondary nozzles (104) ranges from 0.5 to 1.0.
4. The secondary mixing jet aeration treatment system according to claim 1, wherein the locking mechanism (65) comprises a housing (651), the housing (651) is internally provided with a containing cavity (651), one end of an electric push rod (653) is fixedly installed on the inner wall of the containing cavity (651) through a screw, an arc-shaped block (654) is fixedly connected to the end of the push rod of the electric push rod (653) through welding, and a clamping block (655) for clamping between adjacent teeth is integrally formed on the arc-shaped block (654).
5. The secondary mixing jet aeration treatment system of claim 1 wherein the secondary mixing jet aeration management system (675) comprises a data acquisition module, a data analysis module, a data storage module, a maintenance module, an execution module, and a positioning module;
the data acquisition module is arranged in the ejector main body (1) and is used for acquiring a flow value of an internal outlet of the ejector main body (1) and sending the flow value to the data analysis module; the data analysis module is used for analyzing the flow value, and the specific analysis steps are as follows:
the method comprises the following steps: when the flow value is smaller than a set threshold, timing is started, when the timing time is equal to the set threshold, an acquisition instruction is generated and sent to a data acquisition module, and the data acquisition module acquires the flow value of an internal outlet of the jet device main body (1) after receiving the acquisition instruction and sends the flow value to a data analysis module; when the flow value received by the data analysis module is smaller than a set threshold, timing again, when the timing time is equal to the set threshold, generating an acquisition instruction and sending the acquisition instruction to the data acquisition module, and after receiving the acquisition instruction, the data acquisition module acquires the flow value of an internal outlet of the jet device main body (1) and sends the flow value to the data analysis module; when the received flow value is smaller than the set threshold value again, a blocking instruction is generated;
step two: acquiring maintenance information of maintenance personnel and calculating, wherein the maintenance information comprises a mobile phone number, a name, total maintenance times, a real-time position and a total maintenance value of the maintenance personnel;
step three: marking the maintenance personnel as Ri, i is 1, … … and n; setting the total maintenance times of the maintenance personnel as PRi(ii) a Marking the maintenance total value as ZRi(ii) a Calculating the distance difference between the real-time position of the maintenance personnel and the position of the jet device main body (1) to obtain a maintenance distance DRi(ii) a Extracting the numerical values of the total maintenance times, the total maintenance value and the maintenance interval;
step four: using formulas
Obtaining a maintenance coincidence value W of the maintenance personnelRi(ii) a Wherein b1, b2 and b3 are all preset proportionality coefficients;
step five: selecting the maintenance person with the largest maintenance coincidence value as the selected person, and sending the blocking instruction and the position of the jet device main body (1) to a mobile phone terminal of the selected person by the data analysis module; and starting timing at the same time, and marking the timing starting time as the sending time.
6. The secondary mixing jet aeration treatment system according to claim 5, wherein the data storage module is used for storing maintenance information of maintenance personnel; the positioning module is used for acquiring the real-time positioning of maintenance personnel and the position of the jet device main body (1); the maintenance module is used for selecting personnel to block and maintain the jet main body (1), and the specific steps are as follows:
the method comprises the following steps: after the selected person reaches the position of the jet device main body (1), a maintenance starting instruction is sent to the maintenance module through the mobile phone terminal, and after the maintenance starting instruction is received by the maintenance module, the moment when the maintenance starting instruction is received is marked as maintenance starting moment; meanwhile, generating a maintenance instruction to an execution module;
step two: after receiving the maintenance instruction, the execution module is in communication connection with the mobile phone terminal of the selected person through Bluetooth, and then the ejector main body (1) is moved to the position of the selected person through the execution module;
step three: a selected person blocks and maintains the jet device main body (1), the jet device main body (1) is reset through the execution module after blocking and maintaining are completed, and a maintenance completion instruction is sent to the maintenance module through the mobile phone terminal;
step four: after the maintenance module receives the maintenance completion instruction, marking the time when the maintenance completion instruction is received as the completion time; meanwhile, the total maintenance times of the selected personnel are increased once;
step five: calculating the time difference between the sending time and the maintenance starting time to obtain an interval duration, and marking the interval duration as T1; calculating the time difference between the maintenance starting time and the maintenance finishing time to obtain maintenance duration, and marking the maintenance duration as T2;
step six: using formulas
Acquiring a single maintenance value ZA of the selected personnel; wherein c1 and c2 are both preset proportionality coefficients;
step seven: and summing all the single maintenance values of the selected personnel to obtain the total maintenance value of the selected personnel.
7. The secondary mixing jet aeration treatment system according to claim 5, wherein the execution module is used for controlling the start and stop of the second motor (672) and the forward and reverse rotation of the second motor (672).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112769899A (en) * | 2020-12-22 | 2021-05-07 | 安徽飞凯电子技术有限公司 | Network cabinet production automation equipment data detection system based on Internet of things |
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