CN112830595A

CN112830595A - Advanced treatment device and method for difficultly biodegradable sewage

Info

Publication number: CN112830595A
Application number: CN201911163956.2A
Authority: CN
Inventors: 蓝可辉; 钟添武
Original assignee: Fujian Longjun Environmental Protection Equipment Co ltd
Current assignee: Fujian Longjun Environmental Protection Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2021-05-25

Abstract

The invention discloses an advanced treatment device and a method for biologically-nondegradable sewage, which comprises a clearing device and a feeding and crushing device, wherein the feeding and crushing device is arranged in a feeding hopper, when a flocculating agent is placed in the feeding hopper, the flocculating agent presses a turning plate, the turning plate drives an electricity-leading block to be spliced and jointed with an electricity-connecting block through a sliding cavity, a third motor is started, the third motor drives a rotating rod and a rotating block to rotate, the rotating block drives a sliding frame to reciprocate leftwards and rightwards, the sliding frame drives crushing teeth to reciprocate leftwards and rightwards through a rack and a push rod to be jointed, the flocculating agent is crushed, meanwhile, the rack moves to drive an intermittent gear to rotate, so that the intermittent gear drives a swinging disc to swing reciprocatingly, the second swinging rod drives a sealing plate to swing through the rotating block, and the crushed flocculating agent is discharged, the advantages of rapid crushing and discharging of the flocculating agent and increased flocculation efficiency are achieved.

Description

Advanced treatment device and method for difficultly biodegradable sewage

Technical Field

The invention relates to the field related to sewage advanced treatment, in particular to an advanced treatment device and method for difficultly biodegradable sewage.

Background

With the rapid advance of industrialization and urbanization in China, especially in some economic development areas, industrial wastewater occupies a large part of the proportion of all sewage in the area, from the technical point of view, because the types of the industrial wastewater are complicated, the industrial wastewater treatment is more difficult and challenging than the urban sewage treatment, if the industrial wastewater is not properly treated, the pressure of water body environment pollution is increased, ecological safety and resident health are threatened, the pollution control of industries such as papermaking, printing and dyeing, chemical industry, tanning, large-scale livestock breeding and the like is enhanced, and the research and development of efficient and economic sewage treatment technology becomes a focus problem of the global water industry.

In the sewage treatment process to the difficult degradation of biology, often need coagulate earlier difficult degradation sewage and flocculate, fix the particulate matter in the difficult degradation of biology sewage through membrane filtration afterwards, carry out last processing to difficult degradation of biology sewage through ozone oxidation pond at last, discharge up to standard afterwards, the advanced treatment equipment of the difficult degradation of biology sewage that has now has following problem:

1. when coagulation flocculation is carried out on the biological difficultly-degraded sewage, the flocculation efficiency of the biological difficultly-degraded sewage is often influenced when the particles of the flocculant are large, and the existing advanced treatment equipment for the biological difficultly-degraded sewage is not easy to quickly crush and discharge the flocculant, so that the flocculation efficiency is low;

2. when carrying out ozone oxidation to difficult degradation sewage of biology, ozone oxidation pond bottom often has a large amount of filths to pile up after using one end process, influences the oxidation of ozone to difficult degradation sewage of biology, and the advanced treatment equipment of current difficult degradation sewage is difficult for clearing up ozone oxidation pond bottom fast, leads to the filth to pile up.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides an advanced treatment device and method for biologically-refractory sewage.

The invention is realized in such a way, a device and a method for deeply treating biologically refractory sewage are constructed, the device comprises a bottom plate, a second valve body, a blow-down valve, a stirring roller, a clearing device and a feeding and crushing device, the bottom plate is fixed with the bottom of a flocculation tank in an arc welding mode, the flocculation tank is locked and fixed with the bottom of a first motor through screws, the flocculation tank is hermetically connected with the bottom of a feeding hopper and is communicated with each other, the flocculation tank is communicated with the right end of a membrane filter through the first valve body, the membrane filter is communicated with the right end of an ozone oxidation pond through the second valve body, the right end of the ozone oxidation pond is provided with a control panel, the front end of the control panel is provided with a button, the left end of the ozone oxidation pond is fixedly provided with a power supply lead, the ozone oxidation pond is in seamless connection with the rear end of a discharge valve and is in a through structure, a blowoff valve is arranged at the bottom of the membrane filter, the output end of the first motor is in running fit with the stirring roller, the first motor and the button are electrically connected with a control panel, the control panel is electrically connected with a power supply lead, the cleaning device is connected with the left side and the right side of the top of the ozone oxidation tank through bolts, the feeding crushing device is arranged in the feeding hopper, the removing device comprises a moving mechanism and a shoveling mechanism, the moving mechanism is connected with a bolt at the right end of the top of the ozone oxidation tank, the shoveling mechanism synchronously rotates along with the output end of the moving mechanism, the shoveling mechanism is fixed at the left end of the top of the ozone oxidation tank, the feeding and crushing device comprises a motor starting mechanism, a crushing mechanism and a material guiding mechanism, the motor starting mechanism is arranged at the upper left end inside the feeding hopper, the output end of the motor starting mechanism is in running fit with the crushing mechanism, and the crushing mechanism is in running fit with the output end of the material guiding mechanism.

Preferably, the moving mechanism comprises a fixed frame, a second motor, a driving gear, a chain, a moving block, a sliding groove, a driven gear, a receiving plate and a pressing wheel, the fixed frame is in bolted connection with the right end of the top of the ozone oxidation pond, the second motor is fastened with the left rear end of the fixed frame through a hexagon socket head cap screw, the output end of the second motor is rotatably connected with the middle of the driving gear, the chain is in meshing transmission with the left end edge of the driving gear and the right end edge of the driven gear, the chain is locked and fixed with the upper end of the moving block through a screw, the moving block slides along the upper end of the sliding groove, the receiving plate is fastened at the left lower end inside the fixed frame through a screw, the receiving plate is in rotating fit with the middle of the pressing wheel.

Preferably, the shovel mechanism includes horizontal pole, slider, slide rail, bearer bar, supporting shoe, montant, shovel board and dirt collection fill, horizontal pole one end is fixed with the movable block front end to the horizontal pole other end extends to the slider right-hand member and welds mutually, the horizontal pole passes through the slider and slides along the slide rail upper end, the slide rail passes through the screw and is fixed with the inside upper left end locking of bearer bar to bearer bar and ozone oxidation pond top left end bolted connection, the horizontal pole lower extreme left and right sides is provided with the supporting shoe relatively, montant one end is fixed mutually with the supporting shoe upper end through the mode of electric arc welding to the shovel board other end is connected with dirt collection fill upper left end bolted connection, the inside lower extreme rear side in ozone oxidation pond is provided with the dirt collection fill.

Preferably, the motor starting mechanism comprises a turning plate, a first torsion spring, a connecting rod, a sliding cavity, a power guiding block, a power receiving block, a third motor, a supporting plate, a rotating shaft, a first bevel gear, a second bevel gear, a spring and a guide rod, wherein the turning plate is elastically connected with the left upper end inside the hopper through the first torsion spring, one end of the connecting rod is movably nested at the right lower end of the turning plate, the other end of the connecting rod is rotatably matched with the front end of the sliding cavity through the rotating shaft, the sliding cavity is fixed with the left end of the power guiding block, the power guiding block is positioned at the right upper end of the power receiving block, the supporting plate is fixedly connected with the left end inside the hopper, the third motor is fastened at the upper end of the supporting plate through a screw, the power receiving block is arranged at the upper end of the third motor, the output end of the third motor is rotatably matched with the rotating shaft, the sliding cavity is in sliding fit with the upper end of the guide rod, the sliding cavity is elastically connected with the upper left end inside the hopper through a spring, and the third motor is electrically connected with the control panel.

Preferably, broken mechanism includes bull stick, turning block, lug, sliding frame, rack, guide block, push rod and broken tooth, the bull stick rotates along with second bevel gear output is synchronous, bull stick and turning block left end normal running fit, the lug activity is nested and the sliding frame is inboard to lug and turning block front end right side fixed connection, sliding frame right side lower extreme is provided with the rack to sliding frame and rack structure as an organic whole, rack and guide block inboard sliding fit, the rack is fixed mutually with the push rod through the electric welding to rack one end and broken tooth left end fixed connection are kept away from to the push rod.

Preferably, the material guiding mechanism comprises an intermittent gear, a driving block, a swing disc, a first swing rod, a second swing rod, a rotating lug, a sealing plate and a second torsion spring, the intermittent gear is in meshing transmission with the lower end of the rack, the driving block is fixed at the front end of the intermittent gear and synchronously rotates along with the intermittent gear, the driving block is in sliding fit with an opening at the upper end of the swing disc, one end of the first swing rod is in rotating fit with the lower side of the front end of the swing disc through a rotating shaft, the other end of the first swing rod is movably nested at the left end of the second swing rod, the second swing rod is movably connected with the inner side of the rotating lug, the rotating lug is fixedly connected with the lower end of the sealing plate, and the sealing plate is elastically connected with the inner left lower end of the feeding hopper through the.

Preferably, the crushing teeth are arranged in two numbers, the crushing teeth are respectively positioned at the right end of the push rod and the right lower end inside the feeding hopper, and the two crushing teeth are symmetrically distributed.

Preferably, the upper end of the sealing plate is provided with a filter screen, and the filter screen is fixed with the lower end in the hopper.

Preferably, the first bevel gear and the second bevel gear have the same size, are engaged at an angle of ninety degrees, the rear end of the flocculation tank is provided with a water inlet pipe, and the elastic force of the first torsion spring is three newtons.

Preferably, the operation is as follows:

the method comprises the following steps: discharging the biologically-nondegradable sewage into the interior of a flocculation tank through a water inlet pipe, then placing a flocculating agent into a feeding hopper, crushing the flocculating agent through a feeding crushing device and discharging the crushed flocculating agent into the interior of the flocculation tank, and then stirring and flocculating the biologically-nondegradable sewage through a stirring roller;

step two: then, the sewage which is difficult to biodegrade enters a membrane filter, the effluent of a membrane filtration unit with CODcr of 30-85 mg/L is obtained by separation through a membrane group device in the membrane filter, and the effluent enters an ozone oxidation tank;

step three: the membrane module device for treating sewage is backwashed by a cleaning agent for a backwash pump;

step four: secondly, enabling the sewage in the ozone oxidation pond 7 to be fully mixed with ozone according to the proportion that 1g of CODcr in the effluent of the ozone oxidation pond is 1-1.5 g of ozone, adding a catalyst containing OW-2 advanced oxidation filler, and carrying out catalytic reaction for 30-60 min under the conditions of temperature of 10-38 ℃, pH 6.5-8.5 and normal pressure to obtain effluent with CODcr stability of less than 50 mg/L;

step five: and finally, cleaning the bottom of the ozone oxidation tank through a cleaning device.

Preferably, the second motor and the third motor are both AKM series, and the specific model is designed or customized according to the actual use condition.

Preferably, the first bevel gear and the second bevel gear are both made of 42CrMo gear steel, and have the advantages of high strength, high hardenability, good toughness and the like.

Preferably, the rotating rod is made of 45 # steel, high in hardness and strong in corrosion resistance.

Preferably, the second torsion spring is made of alloy spring steel and has strong corrosion resistance.

The invention has the following advantages: the invention provides an advanced treatment device and method for difficultly biodegradable sewage through improvement, compared with the same type of equipment, the advanced treatment device has the following improvements:

the method has the advantages that: the invention relates to a device and a method for deeply treating biologically-nondegradable sewage, which are characterized in that a feeding and crushing device is arranged in a feeding hopper, when a flocculating agent is placed in the feeding hopper, the flocculating agent presses a turning plate, the turning plate drives a lead block to be spliced and jointed with an electric connection block through a sliding cavity, a third motor is started, the third motor drives a rotating rod and a rotating block to rotate, the rotating block drives a sliding frame to reciprocate left and right, the sliding frame drives crushing teeth to reciprocate left and right through a rack and a push rod to be jointed, the flocculating agent is crushed, meanwhile, the rack moves to drive an intermittent gear to rotate, so that the intermittent gear drives a swinging disc to swing back and forth, the second swinging rod drives a sealing plate to swing through a rotating lug, the crushed flocculating agent is discharged, and the flocculating agent can be crushed and discharged quickly, the flocculation efficiency is increased.

The advantages are two: according to the advanced treatment device and method for the difficultly biodegradable sewage, the cleaning device is arranged in the ozone oxidation pond, the second motor is electrified to work, the driving gear is driven to rotate through the rotor arranged at the front end, the driving gear drives the driven gear to rotate through the chain, the chain drives the moving block to move at the upper end of the sliding groove, the moving block drives the cross rod to move at the upper end of the sliding rail through the sliding block, the cross rod drives the shoveling plate at the bottom of the vertical rod to move through the supporting block, the shoveling plate cleans dirt at the bottom of the ozone oxidation pond, and the advantage that the bottom of the ozone oxidation pond can be cleaned quickly is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the advanced treatment apparatus for biologically-nondegradable wastewater according to the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of a flocculation tank of the invention;

FIG. 4 is a schematic cross-sectional view of a cleaning device according to the present invention;

FIG. 5 is a schematic side view of the moving mechanism of the present invention;

FIG. 6 is a schematic cross-sectional view of a feed crushing apparatus according to the present invention;

FIG. 7 is a schematic sectional view of the motor starting mechanism of the present invention;

FIG. 8 is a schematic cross-sectional view of the crushing mechanism of the present invention;

FIG. 9 is a schematic side view of the crushing mechanism of the present invention;

FIG. 10 is a schematic cross-sectional view of a material guiding mechanism according to the present invention;

fig. 11 is an enlarged schematic view of the slide chamber a of the present invention.

Wherein: a bottom plate-1, a flocculation tank-2, a water inlet pipe-21, a first motor-3, a feed hopper-4, a first valve body-5, a membrane filter-6, an ozone oxidation pond-7, a control panel-8, a button-9, a power supply lead-10, a discharge valve-11, a clearing device-12, a supporting leg-13, a second valve body-14, a blow-down valve-15, a stirring roller-16, a feeding crushing device-17, a moving mechanism-121, a shoveling mechanism-122, a motor starting mechanism-171, a crushing mechanism-172, a material guiding mechanism-173, a fixed frame-1211, a second motor-1212, a driving gear-1213, a chain-1214, a moving block-1215, a chute-1216, a driven gear-1217, a, Bearing plate-1218, pressing wheel-1219, cross bar-1221, slide block-1222, slide rail-1223, protective frame-1224, supporting block-1225, vertical bar-1226, shoveling plate-1227, dirt collecting bucket-1228, flap-1711, first torsion spring-1712, connecting rod-1713, slide cavity-1714, electricity leading block-1715, electricity connecting block-1716, third motor-1717, supporting plate-1718, rotating shaft-1719, first bevel gear-17110, second bevel gear-17111, spring-17112, guide rod-17113, rotating rod-1721, rotating block-1722, projection-1723, slide frame-1724, rack-1725, guide block-1726, push rod-1727, crushing tooth-1728, intermittent gear-1, driving block-1722, intermittent gear-1224, and rotary block-1714, A swinging disk-1733, a first swinging rod-1734, a second swinging rod-1735, a rotating lug-1736, a sealing plate-1737, a filter screen-17371 and a second torsion spring-1738.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 11, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

The invention provides an advanced treatment device and a method for difficultly biodegradable sewage through improvement, which comprises a bottom plate 1, a second valve body 14, a blow-down valve 15, a stirring roller 16, a cleaning device 12 and a feeding and crushing device 17, wherein the bottom plate 1 is fixed at the bottom of a flocculation tank 2 in an arc welding mode, the flocculation tank 2 is locked and fixed at the bottom of a first motor 3 through screws, the flocculation tank 2 is hermetically connected with and communicated with the bottom of a feeding hopper 4, the flocculation tank 2 is communicated with the right end of a membrane filter 6 through a first valve body 5, the membrane filter 6 is communicated with the right end of an ozone oxidation pond 7 through the second valve body 14, the right end of the ozone oxidation pond 7 is provided with a control panel 8, the front end of the control panel 8 is provided with a button 9, the left end of the ozone oxidation pond 7 is fixed with a power supply lead 10, the ozone oxidation pond 7 is in seamless connection with the rear end of a discharge valve 11 and is in a through structure, the bottom of the membrane filter 6 is provided with a blowoff valve 15, the output end of a first motor 3 is in running fit with a stirring roller 16, the first motor 3 and a button 9 are both electrically connected with a control panel 8, the control panel 8 is electrically connected with a power supply lead 10, a clearing device 12 is in bolt connection with the left side and the right side of the top of an ozone oxidation pond 7, a feeding crushing device 17 is installed inside a feeding hopper 4, the clearing device 12 comprises a moving mechanism 121 and a shoveling mechanism 122, the moving mechanism 121 is in bolt connection with the right end of the top of the ozone oxidation pond 7, the shoveling mechanism 122 synchronously rotates along with the output end of the moving mechanism 121, the shoveling mechanism 122 is fixed with the left end of the top of the ozone oxidation pond 7, the feeding crushing device 17 comprises a motor starting mechanism 171, a crushing mechanism 172 and a material guiding mechanism 173, the motor starting mechanism 171 is installed at the upper, the crushing mechanism 172 is rotatably matched with the output end of the material guiding mechanism 173.

Further, the moving mechanism 121 includes a fixed frame 1211, a second motor 1212, a driving gear 1213, a chain 1214, a moving block 1215, a sliding groove 1216, a driven gear 1217, a receiving plate 1218 and a pressing wheel 1219, the fixing frame 1211 is connected with the right end of the top of the ozone oxidation pond 7 through a bolt, the second motor 1212 is fastened with the left rear end of the fixing frame 1211 through a hexagon socket head cap screw, the output end of the second motor 1212 is rotatably connected with the middle of the driving gear 1213, the chain 1214 is in meshing transmission with the left end edge of the driving gear 1213 and the right end edge of the driven gear 1217, the chain 1214 is secured to the upper end of the traveling block 1215 by screws, the traveling block 1215 slides along the upper end of the sliding channel 1216, the bearing plate 1218 is fastened at the lower left end inside the fixed frame 1211 by a screw, the bearing plate 1218 is rotatably matched with the middle part of the pressure roller 1219, and the pinch roller 1219 engages with the lower left end of the chain 1214, and the second motor 1212 is electrically connected to the control panel 8.

Further, the shoveling mechanism 122 includes a cross bar 1221, a sliding block 1222, a sliding rail 1223, a protective frame 1224, a supporting block 1225, a vertical bar 1226, a shoveling plate 1227 and a dirt collecting bucket 1228, one end of the cross bar 1221 is fixed to the front end of the moving block 1215, the other end of the cross bar 1221 extends to the right end of the sliding block 1222 to be welded, the cross bar 1221 slides along the upper end of the sliding rail 1223 through the sliding block 1222, the sliding rail 1223 is fixed to the inner left upper end of the protective frame 1224 through screws, the protective frame 1224 is connected to the left end of the top of the ozone oxidation pond 7 through bolts, the supporting blocks 1225 are oppositely arranged on the left side and the right side of the lower end of the cross bar 1221, one end of the vertical bar 1226 is fixed to the upper end of the supporting block 1225 through arc welding, the other end of the shoveling plate 1227 is connected to the left upper.

Further, the motor starting mechanism 171 comprises a flap 1711, a first torsion spring 1712, a connecting rod 1713, a sliding cavity 1714, a power guiding block 1715, a power connecting block 1716, a third motor 1717, a supporting plate 1718, a rotating shaft 1719, a first bevel gear 17110, a second bevel gear 17111, a spring 17112 and a guide rod 17113, wherein the flap 1711 is elastically connected with the left upper end inside the hopper 4 through the first torsion spring 1712, one end of the connecting rod 1713 is movably nested with the right lower end of the flap 1711, the other end of the connecting rod 1713 is rotatably matched with the front end of the sliding cavity 1714 through a rotating shaft, the sliding cavity 1714 is fixed with the left end of the power guiding block 1715, the power guiding block 1715 is positioned at the right upper end of the power connecting block 1716, the supporting plate 1718 is fixedly connected with the left end inside the hopper 4, the third motor 1717 is fastened at the upper end of the supporting plate 1718 through a screw, the power connecting block 1716 is arranged at the upper end of the third motor 1717, the output, the first bevel gear 17110 rotates synchronously with the rotating shaft 1719, the first bevel gear 17110 is in meshing transmission with the second bevel gear 17111, the sliding cavity 1714 is in sliding fit with the upper end of the guide rod 17113, the sliding cavity 1714 is elastically connected with the upper left end inside the hopper 4 through a spring 17112, and the third motor 1717 is electrically connected with the control panel 8.

Further, the crushing mechanism 172 comprises a rotating rod 1721, a rotating block 1722, a bump 1723, a sliding frame 1724, a rack 1725, a guide block 1726, a push rod 1727 and crushing teeth 1728, wherein the rotating rod 1721 rotates synchronously with the output end of the second bevel gear 17111, the rotating rod 1721 is in rotating fit with the left end of the rotating block 1722, the bump 1723 is movably nested inside the sliding frame 1724, the bump 1723 is fixedly connected with the right side of the front end of the rotating block 1722, the rack 1725 is arranged at the right lower end of the sliding frame 1724, the sliding frame 1724 and the rack 1725 are in an integrated structure, the rack 1725 is in sliding fit with the inside of the guide block 1726, the rack 1725 is fixed with the push rod 1727 through electric welding, and one end of the push rod 1727, which is far away from the rack 1725, is fixedly connected with the left end.

Further, the material guiding mechanism 173 includes an intermittent gear 1731, a driving block 1732, a swinging tray 1733, a first swinging rod 1734, a second swinging rod 1735, a rotating protrusion 1736, a sealing plate 1737 and a second torsion spring 1738, the intermittent gear 1731 is engaged with the lower end of the rack 1725 for transmission, a driving block 1732 is fixed at the front end of the intermittent gear 1731, and the driving block 1732 rotates synchronously with the intermittent gear 1731, the driving block 1732 is in sliding fit with the opening at the upper end of the swinging disk 1733, one end of the first swing lever 1734 is rotatably engaged with the lower side of the front end of the swing disc 1733 through a rotating shaft, and the other end of the first swing lever 1734 is movably nested at the left end of the second swing lever 1735, the second swing rod 1735 is movably connected to the inner side of the rotary protrusion 1736, the rotary protrusion 1736 is fixedly connected to the lower end of the sealing plate 1737, the sealing plate 1737 is elastically connected to the lower left end of the interior of the hopper 4 by a second torsion spring 1738.

Further, broken tooth 1728 is provided with two altogether to broken tooth 1728 is located push rod 1727 right-hand member and the inside right lower extreme of hopper 4 respectively, two broken tooth 1728 is the symmetry form and distributes, does benefit to and plays the effect of carrying out the breakage to the flocculating agent.

Further, a filter screen 17371 is arranged at the upper end of the sealing plate 1737, and the filter screen 17371 is fixed with the lower end inside the hopper 4, so that the effect of filtering the flocculating agent is facilitated.

Further, the first bevel gear 17110 and the second bevel gear 17111 are the same in size, the first bevel gear 17110 and the second bevel gear 17111 are engaged at an angle of ninety degrees, the water inlet pipe 21 is arranged at the rear end of the flocculation tank 2, the elastic force of the first torsion spring 1712 is three newtons, so that the effect of enabling the second bevel gear 17111 to rotate smoothly is facilitated, and the effect of enabling the flocculating agent to press the turning plate 1711 to swing is facilitated.

Further, the following operation is performed:

the method comprises the following steps: discharging the biologically-nondegradable sewage into the flocculation tank 2 through a water inlet pipe 21, then placing a flocculating agent into a feeding hopper 4, crushing the flocculating agent through a feeding crushing device 17 and discharging the crushed biologically-nondegradable sewage into the flocculation tank 2, and then stirring and flocculating the biologically-nondegradable sewage through a stirring roller 16;

step two: then, the sewage which is difficult to degrade biologically enters a membrane filter 6, the sewage is separated by a membrane group device in the membrane filter 6 to obtain membrane filtration unit effluent with CODcr of 30-85 mg/L, and the effluent enters an ozone oxidation tank 7;

step four: secondly, enabling the sewage to be positioned inside an ozone oxidation tank 7, fully mixing the effluent of the ozone oxidation tank 7 with ozone according to the proportion that 1g of CODcr in the effluent of the ozone oxidation tank 7 is 1-1.5 g of ozone, adding a catalyst containing OW-2 advanced oxidation filler, and carrying out catalytic reaction for 30-60 min under the conditions of temperature of 10-38 ℃, pH 6.5-8.5 and normal pressure to obtain effluent with CODcr stability of less than 50 mg/L;

step five: finally, the bottom of the ozone oxidation tank 7 is cleaned through a cleaning device 12.

Further, the second motor 1212 and the third motor 1717 are both AKM series, and the specific models are designed or customized according to actual use conditions.

Furthermore, the first bevel gear 17110 and the second bevel gear 17111 are both made of 42CrMo gear steel, and have the advantages of high strength, high hardenability, good toughness and the like.

According to the above table, the first bevel gear 17110 and the second bevel gear 17111 are made of 42CrMo gear steel, so that the strength, the hardenability and the toughness are greatly enhanced, and the service life is prolonged.

Furthermore, the rotating rod 1721 is made of 45 # steel, high in hardness and strong in corrosion resistance.

According to the table, the rotating rod 1721 is made of No. 45 steel, so that the strength, the wear resistance and the corrosion resistance of the rotating rod are greatly enhanced, and the service life of the rotating rod is prolonged.

Further, the second torsion spring 1738 is made of alloy spring steel and has high corrosion resistance.

According to the above table, the second torsion spring 1738 is made of alloy spring steel, so that the heat resistance and corrosion resistance are greatly enhanced, and the service life is prolonged.

The invention provides an advanced treatment device and method for difficultly biodegradable sewage through improvement, and the advanced treatment device and method are operated as follows;

firstly, before use, firstly, horizontally placing advanced treatment equipment for the difficultly biodegradable sewage to ensure that a bottom plate 1 fixedly supports the equipment;

secondly, when the device is used, an external power supply is connected through a power supply lead 10 to provide power for the device, then the water inlet pipe 21 is connected with an external water pipe, so that the biologically-nondegradable sewage is discharged into the flocculation tank 2, and the device is started by pressing the button 9 at the upper end of the control panel 8;

thirdly, a flocculating agent is placed into the feeding hopper 4, after the flocculating agent is placed into the feeding hopper 4, the flocculating agent presses the turning plate 1711, the turning plate 1711 drives the first torsion spring 1712 to generate deformation, the turning plate 1711 drives the sliding cavity 1714 to move at the upper end of the guide rod 17113 through the connecting rod 1713, the sliding cavity 1714 drives the electric lead block 1715 to be spliced and jointed with the electric lead block 1716, the third motor 1717 is started, the third motor 1717 drives the first bevel gear 17110 to rotate through the rotating shaft 1719, the first bevel gear 17110 drives the rotating rod 1721 and the rotating block 1722 to rotate through the second bevel gear 17111, the rotating block 1722 drives the sliding block 1724 to reciprocate left and right through the lug 1723, the sliding block 1724 drives the crushing teeth 1728 to reciprocate left and right through the rack 1725 and the push rod 1727 to crush the flocculating agent, and the rack 1725 moves to drive the intermittent gear 1731 to rotate, so that the intermittent gear 1731 drives the oscillating disc 1733 to oscillate back and forth through the driving block 1732, and the oscillating disc 1733 drives the second oscillating rod 1735 to oscillate through the first oscillating rod 1734, so that the second oscillating rod 1735 drives the sealing plate 1737 to oscillate through the rotating bump 1736, and the crushed flocculant is discharged;

fourthly, simultaneously, the first motor 3 is electrified to work, and the stirring roller 16 is driven to rotate by the rotor arranged at the front end, so that the stirring roller 16 stirs and mixes the difficultly biodegradable sewage and the flocculating agent;

fifthly, then, the sewage which is difficult to biodegrade enters a membrane filter 6, the effluent of a membrane filtration unit with CODcr of 30-85 mg/L is obtained through the separation of a membrane group device in the membrane filter 6, and then the effluent enters an ozone oxidation tank 7;

sixthly, the sewage in the second step is positioned in an ozone oxidation tank 7, the effluent of the ozone oxidation tank 7 is fully mixed with ozone according to the proportion that 1g of CODcr in the effluent of the ozone oxidation tank 7 is 1-1.5 g of ozone, a catalyst filled with OW-2 advanced oxidation filler is added, and catalytic reaction is carried out for 30-60 min under the conditions of temperature of 10-38 ℃, pH of 6.5-8.5 and normal pressure, so as to obtain effluent with CODcr stability of less than 50 mg/L;

seventhly, clear up ozone oxidation pond 7 bottom through clearing device 12 at last, second motor 1212 circular telegram is worked, rotor drive driving gear 1213 through the front end setting rotates, make driving gear 1213 drive driven gear 1217 through chain 1214 and rotate, make chain 1214 drive movable block 1215 move on spout 1216, make movable block 1215 drive horizontal pole 1221 and pass through slider 1222 and move in slide rail 1223 upper end, make horizontal pole 1221 drive the shoveling plate 1227 of montant 1226 bottom through supporting shoe 1225 and move, make shoveling plate 1227 clear away ozone oxidation pond 7 bottom dirt, make the dirt collect in dirt collection fill 1228 is inside.

The invention provides a device and a method for deeply treating biologically refractory sewage through improvement, a feeding and crushing device 17 is arranged in a feeding hopper 4, when a flocculating agent is placed in the feeding hopper 4, the flocculating agent presses a flap 1711, the flap 1711 drives a sliding cavity 1714 to move at the upper end of a guide rod 17113 through a connecting rod 1713, the sliding cavity 1714 drives a power lead block 1715 to be spliced and jointed with a power connection block 1716, a third motor 1717 is started, the third motor 1717 drives a first bevel gear 17110 to rotate through a rotating shaft 1719, the first bevel gear 17110 drives a rotating rod 1721 and a rotating block 1722 to rotate through a second bevel gear 17111, the rotating block 1722 drives a sliding frame 1724 to reciprocate left and right through a lug 1723, the sliding frame 1724 drives a crushing tooth 1728 to reciprocate left and right through a rack 1725 and a push rod 1727 to be jointed, the flocculating agent is crushed, and simultaneously the rack 1725 drives an intermittent gear 1731 to rotate, therefore, the intermittent gear 1731 drives the oscillating disc 1733 to oscillate back and forth through the driving block 1732, the oscillating disc 1733 drives the second oscillating rod 1735 to oscillate through the first oscillating rod 1734, and the second oscillating rod 1735 drives the sealing plate 1737 to oscillate through rotating the bump 1736, so that the crushed flocculant is discharged, and the advantages of rapidly crushing and discharging the flocculant and increasing the flocculation efficiency are achieved; through having set up clearing device 12 inside ozone oxidation pond 7, second motor 1212 circular telegram is worked, rotor drive driving gear 1213 through the front end setting rotates, make driving gear 1213 pass through chain 1214 and drive driven gear 1217 and rotate, make chain 1214 drive movable block 1215 move on spout 1216, make movable block 1215 drive horizontal pole 1221 and move on slide rail 1223 through slider 1222, make horizontal pole 1221 drive the shoveling plate 1227 of montant 1226 bottom through supporting shoe 1225 and remove, make shoveling plate 1227 clear away the dirt bottom ozone oxidation pond 7, reached and to have carried out the advantage of clearing up fast ozone oxidation pond bottom.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The advanced treatment device and the method for the biologically-refractory sewage comprise a bottom plate (1), a second valve body (14), a blow-down valve (15) and a stirring roller (16), wherein the bottom plate (1) is fixed with the bottom of a flocculation tank (2) in an arc welding mode, the flocculation tank (2) is fixed with the bottom of a first motor (3) in a locking mode through screws, the flocculation tank (2) is connected with the bottom of a feeding hopper (4) in a sealing mode and communicated with each other, the flocculation tank (2) is communicated with the right end of a membrane filter (6) through a first valve body (5), the membrane filter (6) is communicated with an ozone oxidation tank (7) through the second valve body (14), the right end of the ozone oxidation tank (7) is provided with a control panel (8), the front end of the control panel (8) is provided with a button (9), the left end of the ozone oxidation tank (7) is fixed with a power supply lead (10), the ozone oxidation pond (7) is connected with the rear end of the discharge valve (11) in a seamless mode and is of a through structure, the membrane filter (6) is fixedly connected with the top of the supporting leg (13) through electric welding, the bottom of the membrane filter (6) is provided with a blow-down valve (15), the output end of the first motor (3) is in running fit with the stirring roller (16), the first motor (3) and the button (9) are both electrically connected with the control panel (8), and the control panel (8) is electrically connected with the power supply lead (10);

the method is characterized in that: the cleaning device (12) is connected with the left side and the right side of the top of the ozone oxidation pond (7) through bolts, the feeding crushing device (17) is installed inside the feeding hopper (4), the cleaning device (12) comprises a moving mechanism (121) and a shoveling mechanism (122), the moving mechanism (121) is connected with the right end of the top of the ozone oxidation pond (7) through bolts, the shoveling mechanism (122) synchronously rotates along with the output end of the moving mechanism (121), the shoveling mechanism (122) is fixed at the left end of the top of the ozone oxidation pond (7), the feeding crushing device (17) comprises a motor starting mechanism (171), a crushing mechanism (172) and a material guide mechanism (173), the motor starting mechanism (171) is installed at the upper left end inside the feeding hopper (4), and the output end of the motor starting mechanism (171) is in running fit with the crushing mechanism (172), the crushing mechanism (172) is in running fit with the output end of the material guide mechanism (173).

2. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 1 are characterized in that: the moving mechanism (121) comprises a fixed frame (1211), a second motor (1212), a driving gear (1213), a chain (1214), a moving block (1215), a sliding groove (1216), a driven gear (1217), a bearing plate (1218) and a pressing wheel (1219), the fixed frame (1211) is in bolt connection with the right end of the top of the ozone oxidation pond (7), the second motor (1212) is fastened with the left rear end of the fixed frame (1211) through a hexagon socket head cap screw, the output end of the second motor (1212) is rotatably connected with the middle of the driving gear (1213), the chain (1214) is in meshing transmission with the left end edge of the driving gear (1213) and the right end edge of the driven gear (1217), the chain (1214) is locked and fixed with the upper end of the moving block (1215) through a screw, the moving block (1215) slides along the upper end of the sliding groove (1216), the bearing plate (1218) is fastened at the inner left, the bearing plate (1218) is in rotary fit with the middle of the pressing wheel (1219), the pressing wheel (1219) is meshed with the lower left end of the chain (1214), and the second motor (1212) is electrically connected with the control panel (8).

3. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 1 are characterized in that: the shoveling mechanism (122) comprises a cross rod (1221), a sliding block (1222), a sliding rail (1223), a protective frame (1224), a supporting block (1225), a vertical rod (1226), a shoveling plate (1227) and a dirt collecting hopper (1228), one end of the cross rod (1221) is fixed to the front end of the moving block (1215), the other end of the cross rod (1221) extends to the right end of the sliding block (1222) to be welded, the cross rod (1221) slides along the upper end of the sliding rail (1223) through the sliding block (1222), the sliding rail (1223) is fixed to the upper left end inside the protective frame (1224) in a locking mode through screws, the protective frame (1224) is connected with a left end bolt at the top of the ozone oxidation pond (7), the supporting blocks (1225) are oppositely arranged on the left side and the right side of the lower end of the cross rod (1221), one end of the vertical rod (1226) is fixed to the upper end of the supporting block (1225) through an arc welding mode, and, and a sewage collecting hopper (1228) is arranged at the rear side of the lower end in the ozone oxidation pond (7).

4. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 1 are characterized in that: the motor starting mechanism (171) comprises a flap (1711), a first torsion spring (1712), a connecting rod (1713), a sliding cavity (1714), a power guiding block (1715), a power connecting block (1716), a third motor (1717), a supporting plate (1718), a rotating shaft (1719), a first bevel gear (17110), a second bevel gear (17111), a spring (17112) and a guide rod (17113), wherein the flap (1711) is elastically connected with the left upper end inside the hopper (4) through the first torsion spring (1712), one end of the connecting rod (1713) is movably nested at the right lower end of the flap (1711), the other end of the connecting rod (1713) is rotatably matched with the front end of the sliding cavity (1714) through the rotating shaft, the sliding cavity (1714) is fixed with the left end of the power guiding block (1715), the power guiding block (1715) is positioned at the right upper end of the power connecting block (1716), the supporting plate (1718) is fixedly connected with the left upper end inside the hopper (4), the third motor (1717) is fastened to the upper end of the supporting plate (1718) through a screw, the power receiving block (1716) is arranged at the upper end of the third motor (1717), the output end of the third motor (1717) is in running fit with the rotating shaft (1719), the first bevel gear (17110) synchronously rotates along with the rotating shaft (1719), the first bevel gear (17110) is in meshing transmission with the second bevel gear (17111), the sliding cavity (1714) is in sliding fit with the upper end of the guide rod (17113), the sliding cavity (1714) is elastically connected with the left upper end inside the hopper (4) through a spring (17112), and the third motor (1717) is electrically connected with the control panel (8).

5. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 1 are characterized in that: the crushing mechanism (172) comprises a rotating rod (1721), a rotating block (1722), a convex block (1723), a sliding frame (1724), a rack (1725), a guide block (1726), a push rod (1727) and crushing teeth (1728), the rotating rod (1721) rotates synchronously along with the output end of the second bevel gear (17111), the rotating rod (1721) is in rotating fit with the left end of the rotating block (1722), the lug (1723) is movably nested inside the sliding frame (1724), the lug (1723) is fixedly connected with the right side of the front end of the rotating block (1722), a rack (1725) is arranged at the right lower end of the sliding frame (1724), the sliding frame (1724) and the rack (1725) are of an integrated structure, the rack (1725) is in sliding fit with the inner side of the guide block (1726), the rack (1725) is fixed with the push rod (1727) through electric welding, and one end of the push rod (1727) far away from the rack (1725) is fixedly connected with the left end of the crushing tooth (1728).

6. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 1 are characterized in that: the material guide mechanism (173) comprises an intermittent gear (1731), a driving block (1732), a swinging disc (1733), a first swinging rod (1734), a second swinging rod (1735), a rotating lug (1736), a sealing plate (1737) and a second torsion spring (1738), wherein the intermittent gear (1731) is in meshing transmission with the lower end of a rack (1725), the driving block (1732) is fixed at the front end of the intermittent gear (1731), the driving block (1732) synchronously rotates along with the intermittent gear (1731), the driving block (1732) is in sliding fit with an opening at the upper end of the swinging disc (1733), one end of the first swinging rod (1734) is in rotating fit with the lower side of the front end of the swinging disc (1733) through a rotating shaft, the other end of the first swinging rod (1734) is movably nested at the left end of the second swinging rod (1735), the second swinging rod (1735) is connected with the inner side of the rotating lug (1736), and the rotating lug (1736) is fixedly connected with the lower end of the sealing plate (1737), the sealing plate (1737) is elastically connected with the left lower end inside the hopper (4) through a second torsion spring (1738).

7. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 5 are characterized in that: broken tooth (1728) are provided with two altogether to broken tooth (1728) are located push rod (1727) right-hand member and inside right-hand member end of hopper (4) respectively, two broken tooth (1728) are the symmetrical shape and distribute.

8. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 6 are characterized in that: the upper end of the sealing plate (1737) is provided with a filter screen (17371), and the filter screen (17371) is fixed with the lower end inside the hopper (4).

9. The advanced treatment device and method for the difficultly biodegradable sewage according to claim 4 are characterized in that: the size of the first bevel gear (17110) is the same as that of the second bevel gear (17111), the first bevel gear (17110) is meshed with the second bevel gear (17111) at a ninety-degree angle, a water inlet pipe (21) is arranged at the rear end of the flocculation tank (2), and the elastic force of the first torsion spring (1712) is three newtons.

10. The advanced treatment device and method for the difficultly biodegradable sewage according to claims 1-9, characterized in that: the operation is as follows:

the method comprises the following steps: discharging the difficultly biodegradable sewage into a flocculation tank (2) through a water inlet pipe (21), then placing a flocculating agent into a hopper (4), crushing the flocculating agent through a feeding crushing device (17) and discharging the crushed flocculating agent into the flocculation tank (2), and then stirring and flocculating the difficultly biodegradable sewage through a stirring roller (16);

step two: then, the sewage which is difficult to biodegrade enters a membrane filter (6), the effluent of a membrane filtration unit with CODcr of 30-85 mg/L is obtained by separation through a membrane group device in the membrane filter (6), and the effluent enters an ozone oxidation tank (7);

step four: secondly, the sewage is positioned in an ozone oxidation tank (7), the effluent of the ozone oxidation tank (7) is fully mixed with ozone according to the proportion that 1g of CODcr in the effluent of the ozone oxidation tank (7) is 1-1.5 g of ozone, a catalyst filled with OW-2 advanced oxidation filler is added, and catalytic reaction is carried out for 30-60 min under the conditions of temperature of 10-38 ℃, pH of 6.5-8.5 and normal pressure, so as to obtain effluent with CODcr stability of less than 50 mg/L;

step five: finally, the bottom of the ozone oxidation pond (7) is cleaned through a cleaning device (12).