CN113045058A - High-efficiency Fenton dephosphorization device and treatment process for polymerizing ferrous sulfate and hydrogen peroxide - Google Patents
High-efficiency Fenton dephosphorization device and treatment process for polymerizing ferrous sulfate and hydrogen peroxide Download PDFInfo
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- CN113045058A CN113045058A CN202110513689.8A CN202110513689A CN113045058A CN 113045058 A CN113045058 A CN 113045058A CN 202110513689 A CN202110513689 A CN 202110513689A CN 113045058 A CN113045058 A CN 113045058A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
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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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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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Abstract
The invention discloses a high-efficiency Fenton dephosphorization device and a treatment process for polymerizing ferrous sulfate and hydrogen peroxide, wherein the device comprises the following components: the device comprises a Fenton reaction tower, a hydrogen peroxide solution extruder, a ferrous sulfate extruder, an overflow port and a water inlet pipe, wherein the hydrogen peroxide solution extruder and the ferrous sulfate extruder are both installed on the left side of the Fenton reaction tower and are respectively connected to the bottom end of the left side of an inner cavity of the Fenton reaction tower through pipelines, one end of the overflow port is installed on the top end of the right side of the Fenton reaction tower and communicated with the inner cavity of the Fenton reaction tower, and the water inlet pipe is communicated with the bottom end of the front side of the inner cavity of the Fenton reaction tower. This polymerization ferrous sulfate, high-efficient fenton phosphorus removal device of hydrogen peroxide solution and processing technology, in-service use, can make medicament and waste water mix fast for the reaction of medicament and waste water improves water purification efficiency, need not to stop water purification work, just can concentrate fast, collect, discharge the impurity in the sedimentation tank, can also change waste water flow direction, make the waste water backward flow that does not reach standard, repurifies.
Description
Technical Field
The invention relates to the technical field of dephosphorization processes, in particular to a high-efficiency Fenton dephosphorization device for polymerizing ferrous sulfate and hydrogen peroxide and a treatment process.
Background
The Fenton reaction is an inorganic chemical reaction, the common mass ratio of hydrogen peroxide to ferrous sulfate is 1:1, and the Fenton reaction is carried out in the process of preparing Fenton from hydrogen peroxide (H)2O2) The mixed solution of the ferrous ion Fe2+ and a plurality of known organic compounds such as carboxylic acid, alcohol and ester are oxidized into inorganic state, the mode is mainly characterized in that the high-grade oxidation characteristic is realized, and the generated oxide such as hydroxyl radical can oxidize various complex chemical organic matters, so that the organic matters which are difficult to degrade have good degradation effect on a plurality of organic matters which are difficult to degrade are applied to the pretreatment and advanced treatment process of industrial wastewater which is difficult to treat.
The equipment used at the present stage has some disadvantages, firstly, the Fenton agent cannot be dispersed rapidly after being put into the equipment, and hydrogen peroxide (H)2O2) With ferrous ion Fe2+ unable quick and sewage reaction, thereby lead to the water purification inefficiency, secondly, can't direct determination handle the back waste water up to standard, simultaneously if the waste water after handling is up to standard, the uncontrollable waste water backward flow purifies again, thirdly, current equipment is when using, a large amount of impurity can be gathered to the bottom of sedimentation tank, need close the fenton reaction tower during the clearance, discharge sewage, clear up then, do like this and terminate sewage purification, and consume the manpower, based on the problem, a polymerization ferrous sulfate, hydrogen peroxide solution high efficiency fenton phosphorus removal device and processing technology are proposed now.
Disclosure of Invention
The invention aims to provide a high-efficiency Fenton dephosphorization device and a treatment process for polymeric ferrous sulfate and hydrogen peroxide, and at least solves the problems that in the prior art, a medicament cannot be quickly mixed with sewage, the water quality cannot be detected, substandard sewage can be refluxed, and impurities cannot be quickly and conveniently cleaned.
In order to achieve the purpose, the invention provides the following technical scheme: a high-efficient fenton phosphorus removal device of polymerization ferrous sulfate, hydrogen peroxide solution includes: the device comprises a Fenton reaction tower, a hydrogen peroxide solution extruder, a ferrous sulfate extruder, an overflow port and an inlet tube, wherein the hydrogen peroxide solution extruder and the ferrous sulfate extruder are both installed on the left side of the Fenton reaction tower and are respectively connected to the left bottom end of the inner cavity of the Fenton reaction tower through pipelines, one end of the overflow port is installed on the top end of the right side of the Fenton reaction tower and is communicated with the inner cavity of the Fenton reaction tower, and the inlet tube is communicated with the bottom end of the front side of the inner cavity of the Fenton reaction tower and further comprises:
the mixing mechanism is assembled in the inner cavity of the Fenton reaction tower and is used for quickly mixing the liquid in the inner cavity of the Fenton reaction tower;
the sedimentation mechanism is assembled on the right side of the Fenton reaction tower;
the flow limiting mechanism is assembled on the right side of the settling mechanism;
a drain pipe assembled at a rear side of the flow restriction mechanism;
one end of the return pipe is arranged on the front side of the flow limiting mechanism, and the other end of the return pipe is arranged at the bottom end of the front side of the Fenton reaction tower;
the water quality monitor is assembled in the inner cavity of the sedimentation mechanism;
the mixing mechanism includes:
the waterproof shell is arranged at the bottom end of the inner cavity of the Fenton reaction tower;
the first motor is arranged at the bottom end of the inner cavity of the waterproof shell;
the stirring rake, one end is passed through the shaft coupling locking and is in the output of first motor, and the other end passes through the bearing and installs the inner chamber top of fenton reaction tower, the high rotation of first motor drive stirring rake forms spiral rising's power in the solution in the fenton reaction tower inner chamber.
Preferably, the precipitation mechanism comprises:
the sedimentation tank is assembled at the right end of the Fenton reaction tower, the other end of the overflow port is positioned at the top end of the sedimentation tank, and the water quality monitor is installed on the inner wall of the sedimentation tank;
the propelling assembly is assembled at the bottom end of the inner cavity of the sedimentation tank;
the slag discharge port is formed in the left side of the bottom end of the inner cavity of the sedimentation tank;
and the closing component is assembled at the bottom end of the sedimentation tank.
Preferably, the propulsion assembly comprises:
the second motor is arranged at the bottom end of the right side of the sedimentation tank;
one end of the first screw is locked at the output end of the second motor through a coupler, and the other end of the first screw is arranged on the left side of the inner cavity of the sedimentation tank through a bearing;
the chute is arranged at the bottom end of the inner cavity of the sedimentation tank;
the push plate is in threaded connection with the outer wall of the first screw;
the slider, in the slidable be stronger than the inner chamber of spout, and top fixed mounting in the bottom of push pedal, the first screw rod of second motor drive is rotatory, utilizes the spiro union interlock of push pedal and first screw rod, impels the push pedal to move left.
Preferably, the closure assembly comprises:
the slag discharging groove is arranged at the bottom end of the sedimentation tank;
the base is assembled at the bottom end of the slag discharging groove;
the third motor is arranged on the front side of the top end of the base;
the first gear is locked at the output end of the third motor through a coupler;
the second gear is arranged on the rear side of the top end of the base through a bearing;
two sides of the chain are respectively meshed with the outer walls of the first gear and the second gear;
the number of the second screw rods is two, one end of each second screw rod is fixedly arranged at the center of the top ends of the first gear and the second gear, and the other end of each second screw rod is arranged at the bottom end of the sedimentation tank through a bearing;
the water stop plate penetrates through the outer wall of the slag discharge groove, and the front side and the rear side of the inner cavity are respectively in threaded connection with the outer walls of the two second screw rods;
the sealing groove is installed at the bottom end of the sedimentation tank, the top end of the water stop plate can be inserted into the inner cavity of the sealing groove, the third motor drives the first gear to rotate, the second gear synchronously rotates by utilizing the linkage of the chain, the water stop plate is meshed with the second screw rod in a threaded manner, and when the second screw rod synchronously rotates with the first gear and the second gear, the water stop plate moves downwards.
Preferably, the bottom end of the inner cavity of the slag discharging groove is inclined downwards from left to right.
Preferably, the flow restriction mechanism includes:
the left side of the sealing assembly is communicated with the right side of the sedimentation tank through a pipeline;
and the shunt assembly is assembled in the inner cavity of the sealing assembly.
Preferably, the seal assembly comprises:
a housing assembled at a right side of the settling tank;
the bracket is arranged at the bottom end of the shell;
the water inlet is arranged on the left side of the shell and is communicated with the right side of the sedimentation tank through a pipeline;
the water outlets are respectively arranged on the front side and the rear side of the shell, the water outlet on the rear side is communicated with the drain pipe, and the water outlet on the front side is communicated with one end of the return pipe.
Preferably, the flow diversion assembly comprises:
the bottom end of the rotary table is mounted at the bottom end of the inner cavity of the shell through a bearing;
the channel is arranged in the inner cavity of the rotary disc;
the two limiting blocks are respectively arranged at the bottom end of the inner cavity of the shell;
one end of the rotating rod is fixedly arranged at the top end of the rotating disc, and the other end of the rotating rod extends out of the top end of the shell;
and the hand wheel is fixedly arranged at the other end of the rotating rod, and the hand wheel is rotated to enable the push plate to rotate and brake the turntable through the limiting block.
Preferably, the outer wall of carousel contacts with a stopper all the time, and the both ends of passageway are corresponding with a delivery port and water inlet respectively, and after the carousel rotated 90 degrees, the outer wall of carousel contacts with another stopper, just the both ends of passageway are corresponding with another delivery port and water inlet respectively.
The use method of the device comprises the following steps,
step one, wastewater flows into an inner cavity of a Fenton reaction tower through a water inlet pipe, the wastewater waits for medicament purification treatment, then a hydrogen peroxide extruder and a ferrous sulfate extruder are started to feed hydrogen peroxide and ferrous sulfate into the inner cavity of the Fenton reaction tower, the wastewater in the inner cavity of the Fenton reaction tower is purified, and the liquid level in the inner cavity of the Fenton reaction tower is gradually increased along with the continuous input of the wastewater;
step two, starting a first motor to drive a stirring paddle to rotate, so that spiral rising force is generated in the wastewater in the inner cavity of the Fenton reaction tower, when a medicament is put into the Fenton reaction tower, the medicament and the wastewater can be fully mixed, and when the liquid level of a mixed solution of the wastewater and the medicament is kept at the same level as the position of an overflow port, a boiling water solution flows into the inner cavity of the precipitation mechanism through the overflow port;
thirdly, the boiling water solution enters an inner cavity of the sedimentation mechanism to be kept stand, solid impurities are separated out at the moment, after excessive impurities are sunk into the bottom end of the inner cavity of the sedimentation tank, a second motor is started to drive a first screw to rotate, and as a push plate is meshed with the first screw in a threaded manner, the push plate can slowly move from left to right under the limiting effect of a sliding groove on a sliding block when the first screw rotates, the impurities at the bottom end of the sedimentation tank are pushed to the left end of the inner cavity of the sedimentation tank, and the impurities enter the inner cavity of a slag discharge groove through a slag discharge port to be accumulated;
step four, when impurities in the inner cavity of the slag discharging groove need to be cleaned, the push plate is moved to the top end of the slag discharging opening to seal the slag discharging opening, then a third motor is started to drive the first gear to rotate, the chain is meshed with the first gear and the second gear, the second gear synchronously rotates when the first gear rotates by utilizing the transmission of the chain, the two second screws simultaneously rotate at the moment, the inner cavity of the water stop plate is meshed with the second screws, the water stop plate moves downwards when the second screws rotate, when the top end of the water stop plate is kept consistent with the bottom end of the inner cavity of the slag discharging groove, the impurities in the inner cavity of the slag discharging groove are discharged rightwards, and at the moment, the impurities are collected;
step five: the bottom end of the water quality monitor is immersed into the wastewater solution in the sedimentation tank to detect the water quality, when the wastewater quality reaches the standard, a water valve on a pipeline connected with the water inlet of the sedimentation tank is opened, the wastewater passes through the channel and the water outlet and then enters the inner cavity of the water discharge pipe to be finally discharged, when the wastewater solution in the sedimentation tank does not reach the standard after a period of sedimentation, the hand wheel is rotated to enable the rotating rod and the rotating disc to synchronously rotate, when the rotating disc rotates for 90 degrees, the rotating disc stops rotating by utilizing the limit of the limit block, at the moment, the channel corresponds to the other water outlet, the water valve on the pipeline connected with the water inlet of the sedimentation tank is opened, and at the moment, the wastewater which does not reach the.
The invention provides a high-efficiency Fenton dephosphorization device and a treatment process for polymeric ferrous sulfate and hydrogen peroxide, which have the beneficial effects that:
1. according to the invention, the stirring paddle is driven by the first motor to rotate at a high speed, so that a spiral rising force is formed in the liquid in the inner cavity of the Fenton reaction tower, and the medicament and the wastewater are quickly mixed to form components;
2. according to the invention, the first screw rod is driven to rotate by the second motor, so that the push plate moves leftwards, impurities are pushed into the inner cavity of the slag discharging groove, the first gear and one second screw rod are driven to rotate by the third motor, the second gear and the other second screw rod synchronously rotate by utilizing the linkage of the chain, so that the water stop plate moves downwards, the inner cavity of the slag discharging groove is opened, the impurities are discharged, in the practical use, the impurities in the sedimentation tank can be quickly concentrated without stopping the water purification work, and the impurities are removed at any time, so that the labor cost is saved;
3. according to the invention, the rotating disc is rotated by rotating the hand wheel, so that the direction of the channel is changed, and the flow direction of the wastewater in the sedimentation tank is further changed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a mixing mechanism of the present invention;
FIG. 3 is a top cross-sectional view of a flow restriction mechanism of the present invention;
FIG. 4 is a top cross-sectional view of the turntable of the present invention;
FIG. 5 is a front sectional view of the precipitation mechanism of the present invention;
FIG. 6 is a left sectional view of the water stop plate of the present invention;
fig. 7 is an enlarged view of the invention at a.
In the figure: 1. the device comprises a Fenton reaction tower, 2, a hydrogen peroxide extruder, 3, a ferrous sulfate extruder, 4, a mixing mechanism, 41, a waterproof shell, 42, a first motor, 43, a stirring paddle, 5, an overflow port, 6, a precipitation mechanism, 61, a precipitation tank, 62, a second motor, 63, a first screw rod, 64, a sliding groove, 65, a push plate, 66, a sliding block, 67, a slag discharge port, 68, a slag discharge groove, 69, a base, 610, a third motor, 611, a first gear, 612, a second gear, 613, a chain, 614, a second screw rod, 615, a water stop plate, 616, a sealing groove, 7, a flow limiting mechanism, 71, a shell, 72, a support, 73, a water inlet, 74, a water outlet, 75, a rotating disc, 76, a channel, 77, a limiting block, 78, a rotating rod, 710, a hand wheel, 8, a water inlet pipe, 9, a water outlet pipe, 10, a return pipe, 11 and a water quality.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. 1-7, the present invention provides a technical solution: a high-efficiency Fenton dephosphorization device for polymeric ferrous sulfate and hydrogen peroxide comprises a Fenton reaction tower 1, a hydrogen peroxide extruder 2, a ferrous sulfate extruder 3, an overflow port 5 and a water inlet pipe 8, wherein the hydrogen peroxide extruder 2 and the ferrous sulfate extruder 3 are both arranged on the left side of the Fenton reaction tower 1 and are respectively connected to the bottom end of the left side of an inner cavity of the Fenton reaction tower 1 through pipelines, one end of the overflow port 5 is arranged on the top end of the right side of the Fenton reaction tower 1 and is communicated with the inner cavity of the Fenton reaction tower 1, the water inlet pipe 8 is communicated with the bottom end of the front side of the inner cavity of the Fenton reaction tower 1, the device also comprises a mixing mechanism 4, a precipitation mechanism 6, a flow limiting mechanism 7, a water drain pipe 9, a return pipe 10 and a water quality monitor 11, the mixing mechanism 4 is assembled in the inner cavity of the Fenton reaction tower 1, the precipitation mechanism 6 is assembled on the right side of the Fenton reaction, the settling mechanism 6 can collect and remove impurities in the wastewater, the flow limiting mechanism 7 is assembled on the right side of the settling mechanism 6, the flow limiting mechanism 7 can change the flow direction of the treated wastewater, the drain pipe 9 is assembled on the rear side of the flow limiting mechanism 7, one end of the return pipe 10 is installed on the front side of the flow limiting mechanism 7, the other end of the return pipe is installed at the bottom end of the front side of the Fenton reaction tower 1, and the water quality monitor 11 is assembled in the inner cavity of the settling mechanism 6;
Preferably, the sedimentation mechanism 6 further comprises a sedimentation tank 61, a second motor 62, a first screw 63, a sliding chute 64, a push plate 65, a slide block 66, a slag discharge port 67, a slag discharge groove 68, a base 69, a third motor 610, a first gear 611, a second gear 612, a chain 613, a second screw 614, a water stop plate 615 and a sealing groove 616, the sedimentation tank 61 is assembled at the right end of the fenton reaction tower 1, the other end of the overflow port 5 is positioned at the top end of the sedimentation tank 61, the water quality monitor 11 is installed at the inner wall of the sedimentation tank 61, the second motor 62 is installed at the bottom end of the sedimentation tank 61 on the right side, one end of the first screw 63 is locked at the output end of the second motor 62 through a coupler, the other end is installed at the left side of the inner cavity of the sedimentation tank 61 through a bearing, the sliding chute 64 is opened at the bottom end of the inner cavity of the sedimentation tank 61, the push plate 65 is screwed with the outer wall, the top end of the second motor 62 is fixedly arranged at the bottom end of the push plate 65, the first screw 63 is driven to rotate by the second motor 62, the push plate 65 is driven to move leftwards by the threaded engagement of the push plate 65 and the first screw 63, the slag discharge port 67 is arranged at the left side of the bottom end of the inner cavity of the sedimentation tank 61, the slag discharge tank 68 is arranged at the bottom end of the sedimentation tank 61, the base 69 is assembled at the bottom end of the slag discharge tank 68, the third motor 610 is arranged at the front side of the top end of the base 69, the first gear 611 is locked at the output end of the third motor 610 through a coupler, the second gear 612 is arranged at the rear side of the top end of the base 69 through a bearing, two sides of the chain 613 are respectively engaged and connected with the outer walls of the first gear 611 and the second gear 612, the number of the second screws 614 is two, one end of each screw is fixedly arranged at the center positions of the top ends of the first gear, the front side and the rear side of the inner cavity are respectively screwed to the outer walls of the two second screws 614, the sealing groove 616 is installed at the bottom end of the sedimentation tank 61, the top end of the water stop plate 615 can be inserted into the inner cavity of the sealing groove 616, the third motor 610 drives the first gear 611 to rotate, the second gear 612 synchronously rotates by the linkage of the chain 613, and the water stop plate 615 and the second screws 614 are engaged by screwing, so that when the second screws 614 and the first gear 611 and the second gears 612 synchronously rotate, the water stop plate 615 moves downwards.
As a preferred scheme, furthermore, the bottom end of the inner cavity of the slag discharging groove 68 is inclined downwards from left to right, so that the slag impurities can be discharged smoothly.
As a preferable scheme, further, the flow limiting mechanism 7 includes a housing 71, a support 72, a water inlet 73, a water outlet 74, a rotary disc 75, a channel 76, a limiting block 77, two rotating rods 78, and a hand wheel 710, the housing 71 is assembled on the right side of the sedimentation tank 61, the support 72 is installed at the bottom end of the housing 71, the water inlet 73 is opened on the left side of the housing 71 and is communicated with the right side of the sedimentation tank 61 through a pipeline, the number of the water outlets 74 is two and is respectively opened on the front and rear sides of the housing 71, the water outlet 74 on the rear side is communicated with the water discharge pipe 9, the water outlet 74 on the front side is communicated with one end of the return pipe 10, the bottom end of the rotary disc 75 is installed at the bottom end of the inner cavity of the housing 71 through a bearing, the channel 76 is opened in the inner cavity of the rotary disc 75, the number of the, the hand wheel 710 is fixedly arranged at the other end of the rotating rod 78, the push plate 65 can be rotated by rotating the hand wheel 710, and the rotating disc 75 is braked by the limiting block 77.
As a preferable scheme, further, the outer wall of the rotating disc 75 is always in contact with one limiting block 77, two ends of the channel 76 correspond to one water outlet 74 and one water inlet 73, after the rotating disc 75 rotates by 90 degrees, the outer wall of the rotating disc 75 is in contact with the other limiting block 77, and two ends of the channel 76 correspond to the other water outlet 74 and the other water inlet 73, so that the channel 76 can accurately correspond to the water inlet 73 and one water outlet 74, and accurate drainage or backflow is guaranteed.
A use method of a high-efficiency Fenton dephosphorization device for polymerizing ferrous sulfate and hydrogen peroxide comprises the following steps,
step one, wastewater flows into an inner cavity of a Fenton reaction tower 1 through a water inlet pipe 8 to wait for medicament purification treatment, then a hydrogen peroxide extruder 2 and a ferrous sulfate extruder 3 are started to feed hydrogen peroxide and ferrous sulfate into the inner cavity of the Fenton reaction tower 1 to purify the wastewater in the inner cavity of the Fenton reaction tower 1, and the liquid level in the inner cavity of the Fenton reaction tower 1 is gradually increased along with the continuous input of the wastewater;
step two, starting the first motor 42 to drive the stirring paddle 43 to rotate, so as to generate spiral rising force in the wastewater in the inner cavity of the Fenton reaction tower 1, fully mixing the medicament and the wastewater when the medicament is put into the reaction tower, and enabling the boiling water solution to flow into the inner cavity of the precipitation mechanism 6 through the overflow port 5 when the liquid level of the mixed solution of the wastewater and the medicament is kept at the same level as the position of the overflow port 5;
thirdly, the boiling water solution enters the inner cavity of the sedimentation mechanism 6 to be kept stand, solid impurities are separated out at the moment, after excessive impurities sink into the bottom end of the inner cavity of the sedimentation tank 61, the second motor 62 is started to drive the first screw 63 to rotate, and as the push plate 65 is meshed with the first screw 63 in a screwing manner, when the first screw 63 rotates, the push plate 65 can slowly move from left to right under the limiting effect of the sliding chute 64 on the sliding block 66, so that the impurities at the bottom end of the sedimentation tank 61 are pushed to the left end of the inner cavity of the sedimentation tank 61, and the impurities enter the inner cavity of the slag discharge groove 68 through the slag discharge port 67 to be accumulated;
step four, when the impurities in the inner cavity of the slag discharging groove 68 need to be cleaned, the push plate 65 is moved to the top end of the slag discharging port 67 to seal the slag discharging port 67, then the third motor 610 is started to drive the first gear 611 to rotate, because the chain 613 is meshed with the first gear 611 and the second gear 612, the second gear 612 can synchronously rotate when the first gear 611 rotates by the transmission of the chain 613, at the moment, the two second screws 614 simultaneously rotate, because the inner cavity of the water stop plate 615 is meshed with the second screws 614, when the second screws 614 rotate, the water stop plate 615 can move downwards, when the top end of the water stop plate 615 is kept level with the bottom end of the inner cavity of the slag discharging groove 68, the impurities in the inner cavity of the slag discharging groove 68 can be discharged rightwards, and at the moment, the impurities can be collected;
step five: the bottom end of the water quality monitor 11 is immersed in the waste water solution in the sedimentation tank 61 to detect the water quality, when the waste water quality reaches the standard, a water valve on a pipeline connecting the sedimentation tank 61 and the water inlet 73 is opened, the waste water enters the inner cavity of the drain pipe 9 through the channel 76 and the water outlet 74 and is finally discharged, when the waste water solution in the sedimentation tank 61 does not reach the standard after a period of sedimentation, the hand wheel 710 is rotated to enable the rotating rod 78 and the rotating disc 75 to synchronously rotate, when the rotating disc 75 rotates by 90 degrees, the rotating disc 75 stops rotating by the limit of the limit block 77, at the moment, the channel 76 corresponds to the other water outlet 74, the water valve on the pipeline connecting the sedimentation tank 61 and the water inlet 73 is opened, and the waste water which does not reach the standard can flow back into the inner cavity of.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A high-efficient fenton phosphorus removal device of polymerization ferrous sulfate, hydrogen peroxide solution includes: fenton reaction tower (1), hydrogen peroxide solution extruder (2), ferrous sulfate extruder (3), gap (5) and inlet tube (8), hydrogen peroxide solution extruder (2) and ferrous sulfate extruder (3) are all installed in the left side of Fenton reaction tower (1), and respectively through pipe connection in the inner chamber left side bottom of Fenton reaction tower (1), the one end of gap (5) is installed on the right side top of Fenton reaction tower (1), and with the inner chamber intercommunication of Fenton reaction tower (1), inlet tube (8) and the inner chamber front side bottom intercommunication of Fenton reaction tower (1), its characterized in that still includes:
the mixing mechanism (4) is assembled in the inner cavity of the Fenton reaction tower (1), and the liquid in the inner cavity of the Fenton reaction tower (1) is quickly mixed by the mixing mechanism (4);
a precipitation mechanism (6) which is assembled at the right side of the Fenton reaction tower (1);
the flow limiting mechanism (7) is assembled on the right side of the settling mechanism (6);
a drain pipe (9) fitted to the rear side of the flow restriction mechanism (7);
a return pipe (10) having one end mounted on the front side of the flow limiting mechanism (7) and the other end mounted on the front bottom end of the Fenton reaction tower (1);
the water quality monitor (11) is assembled in the inner cavity of the sedimentation mechanism (6);
the mixing mechanism (4) comprises:
the waterproof shell (41) is installed at the bottom end of the inner cavity of the Fenton reaction tower (1);
the first motor (42) is arranged at the bottom end of the inner cavity of the waterproof shell (41);
stirring rake (43), one end is passed through the shaft coupling locking and is in the output of first motor (42), and the other end passes through the bearing and installs the inner chamber top of fenton reaction tower (1), first motor (42) drive stirring rake (43) high rotation forms spiral lift's power in the solution in fenton reaction tower (1) inner chamber.
2. The polymerized ferrous sulfate and hydrogen peroxide high-efficiency Fenton dephosphorization device according to claim 1, wherein: the precipitation mechanism (6) comprises:
the sedimentation tank (61) is assembled at the right end of the Fenton reaction tower (1), the other end of the overflow port (5) is positioned at the top end of the sedimentation tank (61), and the water quality monitor (11) is installed on the inner wall of the sedimentation tank (61);
the propelling component is assembled at the bottom end of the inner cavity of the sedimentation tank (61);
the slag discharge port (67) is formed in the left side of the bottom end of the inner cavity of the sedimentation tank (61);
a closure assembly fitted at the bottom end of the settling tank (61).
3. The device for high-efficiency Fenton dephosphorization of polymeric ferrous sulfate and hydrogen peroxide according to claim 2, wherein: the propulsion assembly comprises:
the second motor (62) is arranged at the bottom end of the right side of the sedimentation tank (61);
one end of the first screw rod (63) is locked at the output end of the second motor (62) through a coupler, and the other end of the first screw rod is installed on the left side of the inner cavity of the sedimentation tank (61) through a bearing;
the chute (64) is arranged at the bottom end of the inner cavity of the sedimentation tank (61);
the push plate (65) is screwed on the outer wall of the first screw rod (63);
the sliding block (66) is slidably and internally stronger than the inner cavity of the sliding groove (64), the top end of the sliding block is fixedly arranged at the bottom end of the push plate (65), the second motor (62) drives the first screw rod (63) to rotate, and the push plate (65) is enabled to move leftwards by means of threaded engagement of the push plate (65) and the first screw rod (63).
4. The device for high-efficiency Fenton dephosphorization of polymeric ferrous sulfate and hydrogen peroxide according to claim 2, wherein: the closure assembly includes:
the slag discharge groove (68) is arranged at the bottom end of the sedimentation tank (61);
the base (69) is assembled at the bottom end of the slag discharging groove (68);
a third motor (610) installed at a top front side of the base (69);
a first gear (611) locked at the output end of the third motor (610) through a coupling;
a second gear (612) mounted on the rear side of the top end of the base (69) through a bearing;
a chain (613), two sides of which are respectively engaged with the outer walls of the first gear (611) and the second gear (612);
two second screws (614), one ends of which are fixedly arranged at the center positions of the top ends of the first gear (611) and the second gear (612) respectively, and the other ends of which are arranged at the bottom end of the sedimentation tank (61) through bearings respectively;
the water stop plate (615) penetrates through the outer wall of the slag discharge groove (68), and the front side and the rear side of the inner cavity are respectively in threaded connection with the outer walls of the two second screw rods (614);
the sealing groove (616) is installed at the bottom end of the sedimentation tank (61), the top end of the water stop plate (615) can be inserted into an inner cavity of the sealing groove (616), the third motor (610) drives the first gear (611) to rotate, the second gear (612) synchronously rotates through linkage of the chain (613), the water stop plate (615) is meshed with the second screw (614) in a threaded mode, and when the second screw (614) synchronously rotates with the first gear (611) and the second gear (612), the water stop plate (615) moves downwards.
5. The polymerized ferrous sulfate and hydrogen peroxide high-efficiency Fenton dephosphorization device according to claim 4, wherein: the bottom end of the inner cavity of the slag discharge groove (68) is inclined downwards from left to right.
6. The polymerized ferrous sulfate and hydrogen peroxide high-efficiency Fenton dephosphorization device according to claim 1, wherein: the flow restriction mechanism (7) includes:
the left side of the sealing assembly is communicated with the right side of the sedimentation tank (61) through a pipeline;
and the shunt assembly is assembled in the inner cavity of the sealing assembly.
7. The device for high-efficiency Fenton dephosphorization of polymeric ferrous sulfate and hydrogen peroxide according to claim 6, wherein: the seal assembly includes:
a housing (71) fitted at the right side of the settling tank (61);
a bracket (72) mounted at a bottom end of the housing (71);
the water inlet (73) is arranged on the left side of the shell (71) and is communicated with the right side of the sedimentation tank (61) through a pipeline;
the number of the water outlets (74) is two, the two water outlets are respectively arranged on the front side and the rear side of the shell (71), the water outlet (74) on the rear side is communicated with the drain pipe (9), and the water outlet (74) on the front side is communicated with one end of the return pipe (10).
8. The device for high-efficiency Fenton dephosphorization of polymeric ferrous sulfate and hydrogen peroxide according to claim 6, wherein: the shunt assembly comprises:
the bottom end of the rotary table (75) is mounted at the bottom end of the inner cavity of the shell (71) through a bearing;
a channel (76) which is arranged in the inner cavity of the rotating disc (75);
two limiting blocks (77) are respectively arranged at the bottom end of the inner cavity of the shell (71);
one end of the rotating rod (78) is fixedly arranged at the top end of the rotating disc (75), and the other end of the rotating rod extends out of the top end of the shell (71);
and the hand wheel (710) is fixedly arranged at the other end of the rotating rod (78), the push plate (65) can be rotated by rotating the hand wheel (710), and the rotating disc (75) is braked by the limiting block (77).
9. The polymerized ferrous sulfate and hydrogen peroxide high-efficiency Fenton dephosphorization device according to claim 8, wherein: the outer wall of carousel (75) contacts with a stopper (77) all the time, and the both ends of passageway (76) respectively with a delivery port (74) and water inlet (73) corresponding, after carousel (75) rotated 90 degrees, the outer wall of carousel (75) contacts with another stopper (77), just the both ends of passageway (76) respectively with another delivery port (74) and water inlet (73) corresponding.
10. The use method of the polymerized ferrous sulfate and hydrogen peroxide high-efficiency Fenton dephosphorization device according to any one of the claims 1 to 9 comprises the following steps,
step one, wastewater flows into an inner cavity of a Fenton reaction tower (1) through a water inlet pipe (8) to wait for medicament purification treatment, then a hydrogen peroxide extruder (2) and a ferrous sulfate extruder (3) are started to feed hydrogen peroxide and ferrous sulfate into the inner cavity of the Fenton reaction tower (1) to purify the wastewater in the inner cavity of the Fenton reaction tower (1), and the liquid level in the inner cavity of the Fenton reaction tower (1) can be gradually increased along with the continuous input of the wastewater;
step two, starting a first motor (42) to drive a stirring paddle (43) to rotate, so that spiral rising force is generated in the wastewater in the inner cavity of the Fenton reaction tower (1), when a medicament is put into the Fenton reaction tower, the medicament and the wastewater can be fully mixed, and when the liquid level of a mixed solution of the wastewater and the medicament is kept at the same level with the position of an overflow opening (5), a boiling water solution flows into the inner cavity of a precipitation mechanism (6) through the overflow opening (5);
thirdly, the boiling water solution enters an inner cavity of the sedimentation mechanism (6) to be kept stand, solid impurities are separated out at the moment, after excessive impurities are sunk into the bottom end of the inner cavity of the sedimentation tank (61), the second motor (62) is started to drive the first screw (63) to rotate, and as the push plate (65) is in threaded engagement with the first screw (63), when the first screw (63) rotates, under the limiting action of the sliding chute (64) on the sliding block (66), the push plate (65) can slowly move from left to right to push the impurities at the bottom end of the sedimentation tank (61) to the left end of the inner cavity of the sedimentation tank (61), and the impurities enter the inner cavity of the slag discharge groove (68) through the slag discharge port (67) to be accumulated;
step four, when the impurities in the inner cavity of the slag discharging groove (68) need to be cleaned, the push plate (65) is moved to the top end of the slag discharging port (67) to seal the slag discharging port (67), then the third motor (610) is started to drive the first gear (611) to rotate, because the chain (613) is meshed with the first gear (611) and the second gear (612), by means of the transmission of the chain (613), when the first gear (611) rotates, the second gears (612) rotate synchronously, and the two second screws (614) rotate simultaneously, because the inner cavity of the water stop plate (615) is in threaded engagement with the second screw (614), when the second screw (614) rotates, the water stop plate (615) moves downwards, when the top end of the water stop plate (615) is level with the bottom end of the inner cavity of the slag discharging groove (68), impurities in the inner cavity of the slag discharging groove (68) can be discharged rightwards, and then the impurities can be collected;
step five: the bottom end of the water quality monitor (11) is immersed into the wastewater solution in the sedimentation tank (61) to detect the water quality, when the quality of the wastewater reaches the standard, a water valve on a pipeline connected with the water inlet (73) and the sedimentation tank (61) is opened, the wastewater enters the inner cavity of the drainage pipe (9) through the channel (76) and the water outlet (74) and is finally discharged, when the waste water solution in the sedimentation tank (61) is not up to the standard after a period of sedimentation, the rotating hand wheel (710) is rotated to synchronously rotate the rotating rod (78) and the rotating disc (75), when the rotary disc (75) rotates 90 degrees, the rotary disc (75) stops rotating by the limit of the limit block (77), the channel (76) corresponds to the other water outlet (74), a water valve on a pipeline connecting the sedimentation tank (61) and the water inlet (73) is opened, and wastewater which does not reach the standard can flow back into the inner cavity of the return pipe (10) through the return pipe (10) to be purified again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110513689.8A CN113045058A (en) | 2021-05-11 | 2021-05-11 | High-efficiency Fenton dephosphorization device and treatment process for polymerizing ferrous sulfate and hydrogen peroxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110513689.8A CN113045058A (en) | 2021-05-11 | 2021-05-11 | High-efficiency Fenton dephosphorization device and treatment process for polymerizing ferrous sulfate and hydrogen peroxide |
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