CN115367835B - A integrated equipment of photocatalysis for promoting Fenton reaction - Google Patents
A integrated equipment of photocatalysis for promoting Fenton reaction Download PDFInfo
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- CN115367835B CN115367835B CN202210981680.4A CN202210981680A CN115367835B CN 115367835 B CN115367835 B CN 115367835B CN 202210981680 A CN202210981680 A CN 202210981680A CN 115367835 B CN115367835 B CN 115367835B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a photocatalysis integrated device for promoting Fenton reaction, which comprises an integrated carrier, wherein a heat dissipation and ventilation system is arranged on the integrated carrier, an electric system and a photocatalysis reactor integrated skid-mounted module are arranged in the integrated carrier, the electric system is connected with the photocatalysis reactor integrated skid-mounted module, and the photocatalysis reactor integrated skid-mounted module is connected with a total water inlet and outlet pipeline system. According to the traditional Fenton technology, the photocatalysis integrated equipment for promoting the Fenton reaction is added with a reflux stage before a technology middle-neutralization stage, and the high-concentration refractory wastewater is treated by combining the high-efficiency radiation effect of light in a short distance range and the special spiral continuous water flow state, so that the adding amount of ferric salt is reduced, the mud yield at the rear end is reduced, and the problems of high ferric salt consumption, high mud yield, poor impact load resistance, rapid instability in the reaction process and the like in the operation process of the traditional Fenton equipment are solved.
Description
Technical Field
The invention relates to the technical field of high-difficulty wastewater treatment, in particular to a photocatalysis integrated device for promoting Fenton reaction.
Background
With the development of society, the treatment demands of industrial wastewater are increasing. The conventional Fenton process equipment is difficult to meet the treatment effect, and has the characteristics of high operation cost, large occupied area, high medicament addition amount, difficult equipment operation and maintenance and the like.
The traditional Fenton oxidation method is mainly suitable for treating high-concentration refractory organic wastewater, such as papermaking industrial wastewater, dyeing and finishing industrial wastewater, coal chemical wastewater, petrochemical wastewater, fine chemical wastewater, fermentation industrial wastewater, landfill leachate and other wastewater, industrial park centralized wastewater treatment plant wastewater and the like. The traditional Fenton oxidation method wastewater treatment engineering process mainly comprises acid regulation, catalyst mixing, oxidation reaction, neutralization, solid-liquid separation, medicament dosing and sludge treatment. The traditional Fenton technology at present has some problems: 1. the traditional Fenton technology is difficult to solve the problem that the stable standard operation is achieved when the fluctuation of water quality and water quantity is large; 2. the mineralization degree of the traditional Fenton process is low, and COD can not be further removed after reaching a certain removal rate; 3. the iron sludge is produced in a large amount in the traditional Fenton process, so that the operation treatment cost is increased; 4. the traditional Fenton equipment has large field maintenance workload and even increases maintenance cost.
There is thus an urgent need for new process equipment to address the above problems.
Disclosure of Invention
In view of the above-mentioned technical problems in the related art, the present invention provides a photocatalytic integrated device for promoting the Fenton reaction, which can overcome the above-mentioned drawbacks of the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the integrated photocatalysis equipment for promoting Fenton reaction comprises an integrated carrier, wherein a heat dissipation and ventilation system is arranged on the integrated carrier, an electric system and a integrated photocatalysis reactor skid-mounted module are arranged in the integrated carrier, the electric system is connected with the integrated photocatalysis reactor skid-mounted module, and the integrated photocatalysis reactor skid-mounted module is connected with a total water inlet and outlet pipeline system;
the integrated prying module of the photocatalytic reactor comprises a supporting mechanism, wherein a wiring integrated plate is arranged on one side of the supporting mechanism, the electrical system is connected with the wiring integrated plate, a plurality of photocatalytic reactors are arranged in the supporting mechanism, the wiring integrated plate is respectively connected with the photocatalytic reactors, and two ends of the photocatalytic reactors are respectively connected with an integrated water inlet and outlet pipeline;
the photocatalytic reactor comprises a protective sleeve, two ends of the protective sleeve are connected with an end protective cover, one end of the photocatalytic reactor is provided with a water inlet, the other end of the photocatalytic reactor is provided with a water outlet, a light source reaction column is sleeved in the photocatalytic reactor, a cavity outer tube is arranged between the light source reaction column and the protective sleeve, two ends of the light source reaction column and the cavity outer tube are fixedly connected with an end face supporting piece through an inner end face pressing plate and an outer end face pressing plate, the inner end face pressing plate and the outer end face pressing plate are connected with the end face supporting piece through short screws, the end protective cover is provided with a PG lock head and a threading elbow, and the inner side of the threading elbow is provided with a wiring female head assembly;
the light source reaction column comprises a high-permeability sleeve, one end of the high-permeability sleeve is provided with a safety valve, the other end of the high-permeability sleeve is provided with a one-way valve, a light source is arranged in the high-permeability sleeve, two ends of the light source are respectively connected with a light source head fixing piece, the light source head fixing piece is connected with two ends of the high-permeability sleeve through an inner bearing piece, the end part of the inner bearing piece is connected with an outer end sealing piece, the center of the outer end sealing piece is provided with a light source wire pressing piece, a light wire penetrates through the light source wire pressing piece and is connected with a wiring male head assembly, and the wiring male head assembly is connected with a wiring female head assembly.
Further, a portable cleaning system is further arranged in the integrated carrier and connected with the integrated skid-mounted module of the photocatalytic reactor, the cleaning system comprises a cleaning box body, a cleaning water tank is arranged in the cleaning box body and connected with a cleaning water pump, a dosing pump and a stirring pump are arranged on the cleaning water tank, and the dosing pump, the stirring pump and the cleaning water pump are all connected with a cleaning control system; the portable cleaning system further comprises a cleaning gas path and an air pump, and the cleaning gas path and the air pump are used for controlling the gas quantity to carry out gas-liquid mixing cleaning.
Further, the total water inlet and outlet pipeline system comprises a total water inlet pipeline and a total water outlet pipeline, and the total water inlet pipeline is provided with a water inlet pump, a water inlet flowmeter, a valve and a check valve; and a valve is arranged on the total water outlet pipeline.
Further, the electrical system comprises a system control unit which is connected with the light source ballast mounting unit, the power supply system, the heat dissipation and ventilation system, the portable cleaning system, the Internet of things system and the box body internal lighting system.
Further, bottoms at two ends of the photocatalytic reactor are respectively connected with the supporting supports, two sides of the top of the photocatalytic reactor are respectively connected with the lifting lugs, a light sensing unit is arranged in the center of the top of the protective sleeve, a first emptying pipeline is arranged below the water inlet, and a temperature control protective unit is arranged inside the photocatalytic reactor and close to one end of the water outlet; the light source reaction column both sides are equipped with the earth connection, the protection sleeve with be equipped with the pull rod between the cavity body outer tube.
Further, the outer end face pressing plate is connected with the outer baffle plate through bolts; the inner end face pressing plate and the end face supporting piece are provided with a first sealing gasket, the end part of the cavity outer tube and the end face supporting piece are provided with a second sealing gasket, and the outer end face pressing plate and the end face supporting piece are provided with a first sealing ring.
Further, a heat insulation plate is arranged between the end part of the light source and the high-permeability sleeve, and the heat insulation plate is connected with the light source head fixing piece through an elastic check ring for a shaft.
Further, a light source wire sealing ring is arranged on the inner side of the light source wire pressing piece, a vibration reduction pad is arranged between the outer end sealing piece and the high-transmission sleeve, and an inner wall sealing ring is arranged between the inner side bearing piece and the high-transmission sleeve.
Further, the public first subassembly of wiring includes the public first mounting of wiring, the public first mounting outside cover of wiring is equipped with fastening nut, the inside one side of the public first mounting of wiring is equipped with the public first of wiring, the public first mounting opposite side of wiring is equipped with first compression mounting, the public first of wiring with be equipped with first insulating column between the public first mounting of wiring, first insulating column is close to the one end that first compression mounting was equipped with the second sealing washer, the second sealing washer with be equipped with first insulating gasket between the first compression mounting.
Further, the female first subassembly of wiring includes the female first mounting of wiring, the female first mounting outside cover of wiring is equipped with first gland nut, the inside one side of female first mounting of wiring is equipped with the female first of wiring, the female first mounting opposite side of wiring is equipped with the second and compresses tightly the mounting, the second compresses tightly the mounting outside cover and is equipped with the second gland nut, the female first of wiring with be equipped with the second insulating column between the female first mounting of wiring, the second insulating column is close to the one end of first gland nut is equipped with the O type circle, the second insulating column is close to the one end of second gland nut is equipped with the second insulating gasket.
The invention has the beneficial effects that: as the photocatalysis equipment for promoting Fenton reaction in the traditional Fenton process, the high-concentration wastewater treatment efficiency is improved, the operation cost is reduced, the iron salt addition amount is reduced, the rear-end mud yield is reduced, and the COD removal rate is improved; the equipment integration, modularization and automation are realized, and closed-loop operation and unattended operation are realized; the method has the characteristics of low operation and maintenance cost, suitability for batch production, standardized production, quick transportation and the like; optimizing the flow state in the cavity through CFD simulation, realizing high-speed spiral flow, and reducing the internal scaling factor in the running process of the cavity; the CFD simulation optimizes the heat dissipation and ventilation system of the box body, ensures the normal operation of all equipment in the box body, and reduces fault alarm; multiple sets of water return pumps can be realized in the box body to form a multipath water return system, so that the backflow system can be ensured not to be interrupted due to one set of breakdown, and meanwhile, each integrated skid-mounted module of the photocatalytic reactor can be independently used through control; the matched cleaning system can realize the cleaning of equipment under the condition of continuous operation without shutdown, and can ensure the stability and continuity of operation; the electrical system can perform program setting under various working conditions, so that the normal operation of the system is ensured, and the energy and the consumption are saved; and can realize automatic alarm when faults occur; the Internet of things system can realize remote monitoring of the whole equipment and unattended operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a photocatalytic integrated device for facilitating the Fenton reaction;
FIG. 2 is a front view (with side panels removed) of a photocatalytic integrated device for facilitating the Fenton reaction;
FIG. 3 is a B-B cross-sectional view of FIG. 2;
FIG. 4 is a left side view (with side panels removed) of a photocatalytic integrated device for facilitating the Fenton reaction;
FIG. 5 is a top view (top plate removed) of a photocatalytic integrated device for facilitating the Fenton reaction;
FIG. 6 is a front view of a photocatalytic reactor integrated skid module;
FIG. 7 is a side view of a photocatalytic reactor integrated skid module;
FIG. 8 is a rear view of the integrated photocatalytic reactor skid;
FIG. 9 is a front view of the portable cleaning system;
FIG. 10 is one of the schematic structural views of the portable cleaning system;
FIG. 11 is a second schematic diagram of a portable cleaning system;
FIG. 12 is a front view of a photocatalytic reactor;
FIG. 13 is a side view of a photocatalytic reactor;
FIG. 14 is a cross-sectional view taken along line A-A of FIG. 13;
FIG. 15 is a schematic structural view of a photocatalytic reactor;
FIG. 16 is a schematic view of the structure of the end of the photocatalytic reactor;
FIG. 17 is a schematic view of the structure of a light source reaction column;
FIG. 18 is a cross-sectional view taken along line A-A of FIG. 17;
FIG. 19 is a schematic view of the structure of the end of the light source reaction column;
FIG. 20 is a front view of the wiring male assembly and the wiring female assembly;
FIG. 21 is a cross-sectional view taken along line A-A of FIG. 20;
FIG. 22 is a schematic view of the construction of the wiring female assembly;
fig. 23 is a schematic structural view of the wiring male assembly.
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 are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1 to 5, the integrated photocatalysis device for promoting the fenton reaction according to the embodiment of the invention comprises an integrated carrier 1, the container is used as the integrated carrier in the embodiment, the appearance of the container as the carrier is based on a standard container (the carrier can be in various modes so as to adapt to various application environments), a heat dissipation and ventilation system is arranged on the integrated carrier 1, an electric system and a integrated sled module 7 of a photocatalysis reactor are arranged in the integrated carrier 1, the electric system is connected with the integrated sled module 7 of the photocatalysis reactor, and the integrated sled module 7 of the photocatalysis reactor is connected with a total water inlet and outlet pipeline system.
As shown in fig. 6-8, the integrated sled module 7 of a photo-catalytic reactor includes a supporting mechanism, a wiring integrated board 31 is disposed on one side of the supporting mechanism, the electrical system is connected with the wiring integrated board 31, a plurality of photo-catalytic reactors 30 (determined according to actual requirements) are disposed in the supporting mechanism, the wiring integrated board 31 is respectively connected with the photo-catalytic reactors 30, two ends of the photo-catalytic reactors 30 are respectively connected with integrated water inlet and outlet pipelines, and the integrated sled module 7 of a photo-catalytic reactor can further include various protections required for ensuring normal operation of the photo-catalytic reactor.
The supporting mechanism carries the installation and the fixation of the photocatalytic reactor 30, the fixation of a water inlet and outlet pipeline and the fixation of a wiring integrated plate 31; the lower part of the supporting mechanism is provided with a water receiving disc 28 which is made of high-concentration acid-base resistant plastic material, and the bottom of the water receiving disc is provided with a water receiving disc drainage pipeline 29, so that equipment faults and water flow turbulence prevention in the maintenance process are facilitated.
The wiring integrated plate mainly ensures that the integrated skid-mounted module of the photocatalytic reactor is fast in wiring and maintenance, and does not need to be processed from the inside of the master control cabinet every time; meanwhile, the wiring integrated board realizes that all the photocatalytic reactors are independently wired to form an independent circuit so as to prevent mutual electromagnetic interference.
The integrated water inlet and outlet pipeline system comprises a water inlet pipeline 38 (one end of the water inlet pipeline is provided with a water inlet 35 of the integrated photocatalysis reactor skid-mounted module), a water outlet pipeline 36 (one end of the water outlet pipeline is provided with a water outlet 33 of the integrated photocatalysis reactor skid-mounted module), various control valves (comprising a water outlet valve 27), a flowmeter 39, a sampling valve, a vent pipeline (one end of the vent pipeline is provided with a total vent and a cleaning water inlet 37), an exhaust pipeline (one end of the exhaust pipeline is provided with an exhaust port and a cleaning outlet 34), a flow switch 32 and a temperature protection switch 26; a temperature protection switch 26 is arranged on the water outlet pipeline of each set of photocatalytic reactor, so that dangerous situations such as dry burning and the like are prevented from occurring under the state of no water or small water quantity; meanwhile, a flow switch 32 is arranged to prevent the photocatalytic reactor from being damaged due to large water flow; the flow of each photocatalytic reactor is consistent by adjusting the control valve and the flowmeter.
As shown in fig. 12-16, the photocatalytic reactor 30 includes a protective sleeve 65, two ends of the protective sleeve 65 are connected with end protection covers 74, one end of the photocatalytic reactor 30 is provided with a water inlet 66, the other end of the photocatalytic reactor 30 is provided with a water outlet 68, the water inlet and the water outlet are arranged on the same side by CFD simulation, wherein the water inlet 66 is arranged at a low position, the water outlet 68 is arranged at a high position, and continuous high-speed spiral flow state of water flow can be realized. The photocatalysis reactor 30 is internally sleeved with a light source reaction column 53, a cavity outer tube 54 is arranged between the light source reaction column 53 and the protective sleeve 65, two ends of the light source reaction column 53 and the cavity outer tube 54 are fixedly connected with an end face supporting piece 55 through an inner end face pressing plate 63 and an outer end face pressing plate 61, the inner end face pressing plate 63 and the outer end face pressing plate 61 are connected with the end face supporting piece 55 through short screws 59, a PG lock 70 and a threading elbow 71 are arranged on an end protection cover 74, and a wiring female head assembly 56 is arranged on the inner side of the threading elbow 71.
The protective sleeve is integrally a stainless steel shell, so that light penetration is prevented, protection to an operator body is enhanced, and accidental injury caused by damage to the outer tube of the cavity body under an accident condition is prevented. The end protection covers are arranged at two ends of the photocatalytic reactor, so that the protection of the exposed part of the end and the grounding protection of the light source reaction column and the outside of the photocatalytic reactor are realized. The cavity outer tube not only meets the requirement of use strength and reduces internal water flow resistance, but also can prevent ultraviolet penetration and reduce injury to human body. The structural part contacted with water realizes the tolerance to high-concentration acid and alkali through a plating layer, and improves the corrosion resistance of equipment.
Through the above structural design, the unique photocatalytic reactor utilizes the high-speed spiral flow state, so that the problem that the light transmittance of the Fenton reagent is low and the light transmittance is influenced is solved, the problem of short-time scaling is reduced, the industrialized long-time operation is realized, the stable operation efficiency is improved, and the maintenance cost is reduced. The multiple sets of photocatalytic reactors are arranged on the skid-mounted structure in a layered manner, so that the water inlets are guaranteed to be on the same side, and water inlet in series-parallel connection can be realized, so that the device is suitable for various use conditions.
17-19, the light source reaction column 53 comprises a high-permeability sleeve 77, a safety valve 79 is arranged at one end of the high-permeability sleeve 77, a one-way valve 78 is arranged at the other end of the high-permeability sleeve 77, a light source 86 is arranged in the high-permeability sleeve 77, two ends of the light source 86 are respectively connected with a light source head fixing piece 89, the light source head fixing piece 89 is connected with two ends of the high-permeability sleeve 77 through an inner bearing piece 84, the end of the inner bearing piece 84 is connected with an outer end sealing piece 80, a light source wire pressing piece 81 is arranged in the center of the outer end sealing piece 80, a light wire penetrates through the light source wire pressing piece 81 and is connected with a wiring male head assembly 76, and the wiring male head assembly 76 is connected with the wiring female head assembly 56.
As shown in fig. 9-11, the integrated carrier 1 is further provided with a portable cleaning system 8, the portable cleaning system 8 is of an independent box type structure, the bottom of the portable cleaning system is provided with a supporting caster 42, and the portable cleaning system is placed in the middle of the container and can be pushed and pulled to move. The portable cleaning system is connected with the integrated sled module of the photocatalytic reactor, the portable cleaning system comprises a cleaning box body 40, a front door 43 is arranged on the cleaning box body 40, a rear door can be further arranged on the cleaning box body 40, a push-pull handle 44 is arranged on one side of the cleaning box body 40, a cleaning water tank 47 is arranged in the cleaning box body 40, the cleaning water tank 47 is connected with a cleaning water pump 45, the cleaning water pump 45 is connected with a cleaning system water outlet 52, a dosing pump 48 and a stirring pump 49 are arranged on the cleaning water tank 47, the dosing pump 48, the stirring pump 49 and the cleaning water pump 45 are all connected with a cleaning control system 41, the cleaning control system 41 is also connected with a cleaning air path system, the cleaning air path system comprises an air pump 46, the air pump 46 is connected with a cleaning system air outlet 51 through a cleaning air path, and one side of the cleaning water tank 47 is provided with a liquid level protection pipeline and a discharging pipeline 50; the cleaning system is in butt joint with the corresponding reserved cleaning pipeline of the integrated skid-mounted module of the photocatalytic reactor through the pipeline, then gas-liquid mixed cleaning work is carried out, and other parts are not influenced to work normally while cleaning. The cleaning system can not only simultaneously clean a plurality of photocatalytic reactors for the whole set of integrated sled-mounted modules of the photocatalytic reactors, but also independently clean a single photocatalytic reactor.
In a specific embodiment of the invention, the total water inlet and outlet pipeline system comprises a total water inlet pipeline 20 and a total water outlet pipeline 2, wherein one end of the total water inlet pipeline 20 is provided with a total water inlet 23, and the total water inlet pipeline 20 is provided with a water inlet pump 25, an electromagnetic flowmeter 24, a valve 3 and a check valve; and a valve 3 is arranged on the total water outlet pipeline 2. The total water inlet pipeline 20 and the total water outlet pipeline 2 can be divided into multiple paths according to actual application conditions, and can be independently used; the main water inlet pipeline 20 is controlled by a water inlet pump 25 in a variable frequency manner and an electromagnetic flowmeter 24 to avoid overcurrent conditions and realize flow under various working conditions.
In one embodiment of the invention, the electrical system provides for the normal operation of the device as a central system of the whole set of devices. The electrical system is integrated at one end of the box body, and structurally comprises a light source ballast mounting unit 17, a power supply system 16, a system control unit 18, an internet of things system, an internal lighting system of the box body, various cables and a cable bridge 10, wherein the system control unit 18 is connected with the light source ballast mounting unit 17, the power supply system 16, a heat dissipation and ventilation system, the portable cleaning system 8, the internet of things system and the internal lighting system of the box body. The intelligent remote monitoring system comprises an automatic control system, an automatic cleaning system, a fault alarm system and an intelligent remote monitoring system of the Internet of things. A special heat dissipation channel is formed in the light source ballast mounting unit, so that the simultaneous stable operation of a plurality of sets of light source ballasts 14 is satisfied; the power supply system 16 enters the interior through an external main cable and then shunts to supply all the components in the interior for electricity; the box body internal lighting system is provided with a daily lighting lamp 22 required by daily work and an emergency lighting lamp 21 required in emergency; the system control unit realizes the control of all electric equipment in the system, can perform program setting of various working conditions, ensures the normal operation of the system, saves energy and saves consumption; and can realize automatic alarm when faults occur; the Internet of things system can realize remote monitoring of the whole equipment and unattended operation.
In one embodiment of the invention, the heat dissipation and ventilation system is divided into two parts, namely a photocatalysis reactor integrated skid-mounted heat dissipation system and a light source ballast heat dissipation system. The integrated skid-mounted heat radiation system of the photocatalytic reactor comprises front and rear air inlet shutters 5 of a box body, a heat radiation fan 13, a heat radiation channel 15 at the top of the box body and a vent rain cover 11; the light source ballast heat dissipation system comprises a box side air inlet shutter 5, a heat dissipation channel 15 at the top of the box, a vent rain cover 11, a guide cover 12, a heat dissipation channel 15 in the ballast unit, a heat dissipation fan 13 and the like; the air inlet and outlet positions are reasonably distributed through special CFD simulation, and normal operation of the equipment is guaranteed.
In one embodiment of the invention, one side of the integrated carrier 1 where the system control unit is placed is provided with an electrical system heat dissipation air inlet shutter and an electrical system bus inlet 6; the integrated skid-mounted modules of the multiple sets of photocatalytic reactors are distributed on the other side according to a symmetrical sequence; the front side of the box body is provided with a side-by-side door 4, and the door adopts a sealing structure design to ensure rain resistance after closing; a plurality of sets of radiating air inlet shutters of the integrated skid-mounted modules of the photocatalytic reactors are arranged in front of and behind the opposite opening door correspondingly; the top is provided with an air outlet, and the air outlet adopts a rain-proof cover with special structural design, so that the heat dissipation requirement and the rain-proof requirement are met; the middle top of the inside of the box body is provided with two sets of hoisting mechanisms 19, each set of hoisting mechanisms comprises a moving track and two cranes, so that the maintenance of internal equipment in the future is facilitated; the bottom is provided with a drain pipe 9 which is convenient for ensuring that water can not be stored in the emergency situation.
In one embodiment of the present invention, the bottoms of the two ends of the photocatalytic reactor 30 are connected to support seats 64, which realize the stable installation, transportation and operation of the whole photocatalytic reactor and ensure that the photocatalytic reactor can bear the impact of water flow during operation. The two sides of the top of the photocatalytic reactor 30 are respectively connected with lifting lugs 69, so that the lifting installation of the photocatalytic reactor is realized, and the manpower output is reduced. The top center of the protective sleeve 65 is provided with a light sensing unit 72 (the light transmittance between the light emitting side and the light receiving side is measured in real time through the light sensing unit, and then the value is compared with a set value, so that whether the part is polluted or not is judged, and the cleaning is automatically carried out according to whether the dirt degree in the high-permeability sleeve exceeds the standard or not, so that the detection of the scaling condition of the inner high-permeability sleeve is realized, a backwashing closed loop is formed, and the integral use effect of the equipment is ensured. A first emptying pipeline 67 is arranged below the water inlet, so that the emptying of the liquid in the single photocatalytic reactor during maintenance can be ensured. A temperature control protection unit 73 is arranged at one end, close to the water outlet, of the inside of the photocatalytic reactor 30, so that temperature alarm can be realized, and stable operation of equipment can be realized; the grounding points are arranged on the two sides of the light source reaction column, so that the normal operation of the lamp tube is ensured; a pull rod 75 is provided between the protective sleeve and the outer tube of the chamber.
In one embodiment of the present invention, the outer end surface pressing plate 61 is connected with the outer baffle 60 by bolts; the inner end face pressing plate 63 and the end face supporting piece 55 are provided with a first sealing gasket 57, the end part of the cavity outer tube 54 and the end face supporting piece 55 are provided with a second sealing gasket 58, the outer end face pressing plate 61 and the end face supporting piece 55 are provided with a first sealing ring 62, the cavity outer tube adopts a special supporting and damping structure, and the outer surface sealing structure protects the cavity outer tube to prevent damage and water leakage caused by impact on the appearance of the cavity.
In one embodiment of the present invention, a heat insulation plate 88 is disposed between the end of the light source 86 and the high-permeability sleeve 77, the heat insulation plate 88 is connected to the light source head fixing member 89 through a circlip 87 for a shaft, and the heat insulation plate can prevent heat from being transferred to the two ends of the light source reaction column during use, thereby damaging the sealing structures of the two ends.
In one embodiment of the present invention, a light source wire sealing ring 82 is disposed inside the light source wire pressing member 81, a vibration damping pad 83 is disposed between the outer end sealing member 80 and the high-transmission casing 77, and an inner wall sealing ring 85 is disposed between the inner carrier member 84 and the high-transmission casing 77.
The light source reaction column is easy to install and detach, and meanwhile, the problem that the disassembly and maintenance are difficult due to the fact that the sealing ring of the inner wall is tightly bonded with the inner wall of the high-permeability sleeve after long-time running is avoided; the lamp wire sealing part is used for realizing the lamp wire sealing, so that the lamp wire sealing is simple and practical; the high-transmittance sleeve is a glass tube with strong penetrability aiming at a special light source; the inside of the high-permeability sleeve and the light source are filled with special gas through a one-way valve to protect the light source; the other end of the high-permeability sleeve is protected by a safety valve to prevent the high-permeability sleeve from being broken due to high-temperature expansion of gas; the lamp wires at the two ends are connected with the outside through the wiring male head assembly; the light source can process different water according to practical application to select different lights.
As shown in fig. 20-23, the male terminal assembly 76 includes a male terminal fixing member 98, a fastening nut 101 is sleeved on the outer side of the male terminal fixing member 98, a male terminal 99 is disposed on one side of the interior of the male terminal fixing member 98, a first compression fixing member 103 is disposed on the other side of the male terminal fixing member 98, a first insulating column 102 is disposed between the male terminal 99 and the male terminal fixing member 98, a second sealing ring 100 is disposed at one end, close to the first compression fixing member 103, of the first insulating column 102, and a first insulating gasket 104 is disposed between the second sealing ring 100 and the first compression fixing member 103.
The female head subassembly 56 of wiring includes female head mounting 90, female head mounting 90 outside cover is equipped with first gland nut 92, the inside one side of female head mounting 90 of wiring is equipped with female head 91, the female head mounting 90 opposite side of wiring is equipped with the second and compresses tightly mounting 94, the second compresses tightly mounting 94 outside cover and is equipped with second gland nut 93, female head 91 of wiring with be equipped with the second insulated column 95 between the female head mounting 90 of wiring, the second insulated column 95 is close to the one end of first gland nut 92 is equipped with O type circle 97, the second insulated column 95 is close to the one end of second compress tightly mounting 94 is equipped with the second insulating gasket 96.
The wiring female head component is fixed on the inner side of the end protection cover, and the inside of the wiring female head component can be connected with the wiring male head component in a plugging manner and is screwed by a compression nut at the same time, so that looseness in the use process is prevented; the compression nut on the other side of the wiring female head component is fixed with an external threading elbow through an end protection cover, and the threading elbow is connected with a corrugated pipe to realize electromagnetic interference.
The wiring male-female head assembly is customized through a special design and a die, so that high-voltage and high-frequency high-thermal shock resistance, high safety level, strong anti-interference capability, firm connection, high plug times and small joint impedance are realized, and stable output of a light source is ensured.
The invention has the main function of carrying out backflow before the neutralization stage of the traditional Fenton process, and the backflow water enters the photocatalysis integrated equipment for promoting the Fenton reaction. Meanwhile, each integrated skid-mounted module of the photocatalytic reactor can be independently used through system control; the backwater enters a photocatalytic reactor, ferric ions in the reactor are reconverted into ferrous ions under the excitation of high-intensity light quanta, and then the ferrous ions are returned to the front end of the photo Fenton process for recycling, so that Fenton reaction is promoted, fenton reaction stability is improved, and operation cost is reduced; the scale formation efficiency of the photocatalytic reactor in the operation process can be effectively reduced, the normal and stable operation of equipment is ensured, and the equipment maintenance cost is reduced.
According to the invention, the CFD simulation is used for optimizing the overall heat dissipation and ventilation system of the box body, so that the normal operation of all equipment in the box body is ensured, and fault alarm is reduced. The matched cleaning system can realize the cleaning of equipment under the condition of continuous operation without stopping, and can ensure the stability and continuity of operation; the electric system can set programs under various working conditions, ensure the normal operation of the system, save energy and consumption, realize automatic alarm when faults occur, and realize remote monitoring and unattended operation of the whole equipment.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail by a specific usage manner.
The invention is applied to a reflux stage performed before a Fenton process neutralization stage, and is used for promoting Fenton reaction, improving Fenton reaction stability and reducing operation cost. The backflow water passes through two groups of water inlet pipeline systems from two water inlets of the box body, and then each group of water inlet pipeline systems respectively enters two sets of integrated skid-mounted modules of the photocatalytic reactor; then, ferric ions are reconverted into ferrous ions under the excitation of light quanta in the photocatalytic reactors in each set of integrated sled module, and then returned to the front end of the photo Fenton process for recycling through a top drainage system.
Meanwhile, a heat dissipation system in the box body is started, and the integrated heat dissipation system comprises a photocatalysis reactor integrated skid-mounted heat dissipation system and a light source ballast heat dissipation system. In the reaction process, a part of the light source of the photocatalytic reactor is converted into multiband ultraviolet light, most of the light source is converted into visible light, finally, generated heat is emitted into the box body, and the generated heat is discharged to the outside of the box body through the integrated skid-mounted heat radiation system of the photocatalytic reactor; the ballast which is a necessary component for starting the light source also generates huge heat in the working process, and the heat is required to be discharged to the outside of the box body through the light source ballast heat dissipation system in order to ensure the normal working of the light source ballast, and the whole heat dissipation system reasonably distributes the air inlet and outlet positions through special CFD simulation so as to ensure the normal operation of equipment.
The surface of the photocatalytic lamp sleeve is scaled in the operation process of the photocatalytic reactor, the scaling coefficient can be reduced by a unique spiral water flow mode in the reactor, and the operation stability of the photocatalytic reactor is improved, but the photocatalytic reactor still needs to be cleaned after long-time operation; the cleaning needs to be sensed and started according to the special light sensing unit.
In summary, by means of the technical scheme, the invention increases the reflux stage before the process middle and stage according to the traditional Fenton process, realizes the treatment of high-concentration refractory wastewater by combining the high-efficiency radiation effect of light in a short distance range and the special spiral continuous water flow state, reduces the adding amount of ferric salt, reduces the mud yield at the rear end, solves the problems of high ferric salt consumption, large mud yield, poor impact load resistance, abrupt instability in the reaction process and the like of the traditional Fenton equipment in the operation process, and simultaneously realizes the high integration, modularization and automation of new process equipment and closed-loop operation and unattended operation on the basis of improving the mineralization degree and COD removal rate in the reaction by utilizing the high-efficiency radiation effect of light in the short distance range.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The photocatalysis integrated equipment for promoting Fenton reaction is characterized by comprising an integrated carrier, wherein a heat dissipation and ventilation system is arranged on the integrated carrier, an electric system and a photocatalysis reactor integrated skid-mounted module are arranged in the integrated carrier, the electric system is connected with the photocatalysis reactor integrated skid-mounted module, and the photocatalysis reactor integrated skid-mounted module is connected with a total water inlet and outlet pipeline system;
the integrated prying module of the photocatalytic reactor comprises a supporting mechanism, wherein a wiring integrated plate is arranged on one side of the supporting mechanism, the electrical system is connected with the wiring integrated plate, a plurality of photocatalytic reactors are arranged in the supporting mechanism, the wiring integrated plate is respectively connected with the photocatalytic reactors, and two ends of the photocatalytic reactors are respectively connected with an integrated water inlet and outlet pipeline;
the photocatalytic reactor comprises a protective sleeve, two ends of the protective sleeve are connected with an end protective cover, a water inlet is formed in one end of the protective sleeve, a water outlet is formed in the other end of the protective sleeve, the water inlet and the water outlet are both positioned on the side wall of the protective sleeve, the water inlet and the water outlet are respectively connected with an end face supporting piece, the water inlet and the water outlet are arranged on the same side by utilizing CFD simulation, the water inlet is arranged at a low position, the water outlet is arranged at a high position, a plurality of sets of photocatalytic reactors are arranged on a skid-mounted structure in a layered manner, the water inlet is guaranteed to be on the same side, serial-parallel water inlet is realized, a light source reaction column is arranged in the photocatalytic reactor, a cavity outer tube is arranged between the light source reaction column and the protective sleeve, two ends of the light source reaction column and the cavity outer tube are fixedly connected with the end face supporting piece through an inner end face pressing plate and an outer end face pressing plate, the inner end face pressing plate and the outer end face pressing plate are connected with the end face supporting piece through short screws, a PG lock head and a threading elbow are arranged on the end protective cover, and a wiring elbow assembly is arranged on the inner side of the threading elbow;
the light source reaction column comprises a high-permeability sleeve, one end of the high-permeability sleeve is provided with a safety valve, the other end of the high-permeability sleeve is provided with a one-way valve, special gas is filled between the inside of the high-permeability sleeve and a light source through the one-way valve to protect the light source, the other end of the high-permeability sleeve is used for protecting the inside of the light source reaction column from being broken due to high-temperature expansion of the gas, the light source is arranged in the high-permeability sleeve, two ends of the light source are respectively connected with a light source head fixing piece, the light source head fixing piece is connected with two ends of the high-permeability sleeve through an inner bearing piece, the end part of the inner bearing piece is connected with an outer end sealing piece, a light source wire pressing piece is arranged in the center of the outer end sealing piece, a light wire penetrates through the light source wire pressing piece and is connected with a wiring male head assembly, and the wiring male head assembly is connected with a wiring female head assembly;
the integrated carrier is internally provided with a portable cleaning system, the portable cleaning system is connected with the integrated skid-mounted module of the photocatalytic reactor, the cleaning system comprises a cleaning box body, a cleaning water tank is arranged in the cleaning box body, the cleaning water tank is connected with a cleaning water pump, a dosing pump and a stirring pump are arranged on the cleaning water tank, and the dosing pump, the stirring pump and the cleaning water pump are all connected with a cleaning control system; the portable cleaning system further comprises a cleaning gas path and an air pump, and the cleaning gas path and the air pump are used for controlling the gas quantity to carry out gas-liquid mixing cleaning.
2. The photocatalytic integrated device for promoting a Fenton reaction according to claim 1, wherein said total water inlet and outlet piping system comprises a total water inlet pipe and a total water outlet pipe, said total water inlet pipe being provided with a water inlet pump, a water inlet flow meter, a valve and a check valve; and a valve is arranged on the total water outlet pipeline.
3. The photocatalytic integrated device for promoting a Fenton reaction according to claim 1, wherein the electrical system comprises a system control unit connected with a light source ballast mounting unit, a power supply system, a heat dissipation and ventilation system, a portable cleaning system, an internet of things system, and a box interior lighting system.
4. The photocatalysis integrated equipment for promoting Fenton reaction according to claim 1, wherein bottoms of two ends of the photocatalysis reactor are respectively connected with a supporting support, two sides of the top of the photocatalysis reactor are respectively connected with lifting lugs, a light sensing unit is arranged in the center of the top of the protection sleeve, a first emptying pipeline is arranged below the water inlet, and a temperature control protection unit is arranged inside the photocatalysis reactor close to one end of the water outlet; the light source reaction column both sides are equipped with the earth connection, the protection sleeve with be equipped with the pull rod between the cavity body outer tube.
5. The integrated photocatalytic device for promoting a Fenton reaction according to claim 1, wherein said outer end face pressure plate is bolted to an outer baffle; the inner end face pressing plate and the end face supporting piece are provided with a first sealing gasket, the end part of the cavity outer tube and the end face supporting piece are provided with a second sealing gasket, and the outer end face pressing plate and the end face supporting piece are provided with a first sealing ring.
6. The integrated photocatalytic device for promoting the Fenton reaction according to claim 1, wherein a heat insulating plate is provided between the light source end portion and the high-transmittance sleeve, and the heat insulating plate is connected to the light source head fixing member through a circlip for shaft.
7. The integrated photocatalytic device for promoting a Fenton reaction according to claim 1, wherein a light source wire sealing ring is provided inside the light source wire pressing member, a vibration damping pad is provided between the outer end sealing member and the high-transmission sleeve, and an inner wall sealing ring is provided between the inner side bearing member and the high-transmission sleeve.
8. The photocatalytic integrated device for promoting a Fenton reaction according to claim 1, wherein the wiring male head assembly comprises a wiring male head fixing member, a fastening nut is sleeved outside the wiring male head fixing member, a wiring male head is arranged on one side inside the wiring male head fixing member, a first compression fixing member is arranged on the other side of the wiring male head fixing member, a first insulating column is arranged between the wiring male head and the wiring male head fixing member, a second sealing ring is arranged at one end, close to the first compression fixing member, of the first insulating column, and a first insulating gasket is arranged between the second sealing ring and the first compression fixing member.
9. The photocatalytic integrated device for promoting a Fenton reaction according to claim 1, wherein the wiring female head assembly comprises a wiring female head fixing member, a first compression nut is sleeved outside the wiring female head fixing member, a wiring female head is arranged on one side inside the wiring female head fixing member, a second compression fixing member is arranged on the other side of the wiring female head fixing member, a second compression nut is sleeved outside the second compression fixing member, a second insulation column is arranged between the wiring female head and the wiring female head fixing member, an O-shaped ring is arranged at one end, close to the first compression nut, of the second insulation column, and a second insulation gasket is arranged at one end, close to the second compression fixing member, of the second insulation column.
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| CN202210981680.4A CN115367835B (en) | 2022-08-16 | 2022-08-16 | A integrated equipment of photocatalysis for promoting Fenton reaction |
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| CN202210981680.4A CN115367835B (en) | 2022-08-16 | 2022-08-16 | A integrated equipment of photocatalysis for promoting Fenton reaction |
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| CN105540989B (en) * | 2016-01-20 | 2019-02-12 | 深圳市美宜佳机电设备有限公司 | Waste liquor treatment equipment and method for treating waste liquid |
| CN107055895A (en) * | 2017-06-16 | 2017-08-18 | 云南大学 | The vertical plug-flow photocatalysis treatment of waste water skid mounted equipment of diffusion in a kind of upper cloth stream |
| CN208111853U (en) * | 2018-05-21 | 2018-11-16 | 常州易泽科通信科技有限公司 | A kind of staged coaxial radio-frequency connector |
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