CN112340944A - Papermaking wastewater treatment system - Google Patents
Papermaking wastewater treatment system Download PDFInfo
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- CN112340944A CN112340944A CN202011197514.2A CN202011197514A CN112340944A CN 112340944 A CN112340944 A CN 112340944A CN 202011197514 A CN202011197514 A CN 202011197514A CN 112340944 A CN112340944 A CN 112340944A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 142
- 238000011084 recovery Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000003756 stirring Methods 0.000 claims abstract description 51
- 238000005273 aeration Methods 0.000 claims abstract description 39
- 238000005189 flocculation Methods 0.000 claims abstract description 28
- 230000016615 flocculation Effects 0.000 claims abstract description 28
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 53
- 239000007921 spray Substances 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000003814 drug Substances 0.000 abstract description 120
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000010865 sewage Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000002351 wastewater Substances 0.000 description 84
- 239000007787 solid Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 208000005156 Dehydration Diseases 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Abstract
The invention provides a papermaking wastewater treatment system, which comprises a grating tank, an aeration tank, a ph adjusting tank, a flocculation tank, a disinfection tank, a water conduit, a first motor, a fiber recovery chamber, a collection tank, a second motor, a ventilation window, a dosing pipe, a grating machine, grating blades and an opening, wherein the flocculation tank is arranged on one side of the disinfection tank, the ph adjusting tank is arranged on one side of the flocculation tank, the aeration tank is arranged on one side of the ph adjusting tank, the grating tank is arranged on one side of the aeration tank, the first motor is movably arranged at the lower end position of one side of the outer surface of the front end of the grating tank, the papermaking wastewater treatment system can dehydrate filtered fibers, avoid the fibers from carrying a large amount of sewage to cause pollution and waste of water sources, simultaneously reduce the volume of the dehydrated fibers, is convenient to recover, and can stir the ph adjusting tank without the help of manpower and material resources, the cost is saved while the adjusting efficiency is improved, and the safety and the accuracy of medicine adding are ensured due to the unique design of the medicine adding pipe.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a papermaking wastewater treatment system.
Background
The papermaking wastewater refers to wastewater generated in the pulping and papermaking process, and comprises pulping and cooking wastewater, washing wastewater, bleaching wastewater, white water of a paper machine and the like, and is complex in composition and poor in biodegradability, belongs to industrial wastewater which is difficult to treat, and is one of main industrial pollution sources in China;
the Chinese patent discloses a papermaking wastewater treatment system, the patent application number is CN201920995436.7, and the system comprises a wastewater tank, a fiber filter tank, a flocculation sedimentation tank, an organic matter degradation mechanism, a solid-liquid separation mechanism, a Fenton reaction tank and a shallow air flotation machine which are sequentially communicated through a water pipe; the system also comprises a sludge concentration mechanism, wherein the sludge concentration mechanism is used for collecting and treating sludge in the flocculation sedimentation tank, the solid-liquid separation mechanism and the shallow air flotation machine. The papermaking wastewater treatment system of the utility model organically integrates the wastewater pool, the fiber filtering pool, the flocculation settling basin, the organic matter degradation mechanism, the solid-liquid separation mechanism, the Fenton reaction tank, the shallow air flotation machine and other structures in the prior art, and designs a whole set of brand-new papermaking wastewater treatment system, the whole system is better in continuity, the wastewater treatment efficiency is high, the treated water quality is good, and the treatment cost is low;
although the device is better in serialization, high in sewage treatment efficiency, good in treated water quality and low in treatment cost, when wastewater containing a large amount of fibers is treated, the fibers and other components in the wastewater are not dewatered after being filtered, the fibers have water absorption capacity, the filtered fibers are directly collected, on one hand, the fibers can carry a large amount of polluted wastewater, the wastewater can pollute the environment and simultaneously can cause a large amount of water source waste, meanwhile, the fibers are easily adsorbed on the surface of a grating after being filtered by the grating, along with the rotation of the grating, part of fiber impurities can be brought into the filtered wastewater to cause incomplete filtration, in addition, when the ph is regulated, the reaction speed of the medicine is slow, the medicine needs to be stirred uniformly by stirring equipment, the time and labor consumption of manual stirring is adopted, the cost is increased by stirring of a stirrer, the pH value of the wastewater is different, and the medicine needs to be added according to the, the powder can form after adding in the medicine tube and remain at the pipe wall, leads to through the circumstances that the medicine mixes can appear when the medicine is added to same medicine tube, influences the regulation effect.
Disclosure of Invention
The invention aims to provide a papermaking wastewater treatment system, which can dehydrate filtered fibers, avoid pollution and water source waste caused by the fact that the fibers carry a large amount of sewage, reduce the volume of the dehydrated fibers, facilitate recovery, stir a ph adjusting tank on the premise of not depending on manpower and material resources, improve the adjusting efficiency, save the cost, and ensure the safety and the accuracy of dosing due to the unique design of a dosing pipe.
The invention provides a papermaking wastewater treatment system, which comprises a grating tank, an aeration tank, a ph adjusting tank, a flocculation tank, a disinfection tank, a water guide pipe, a first motor, a fiber recovery chamber, a collection tank, a second motor, a ventilation window, a chemical feeding pipe, a grating machine, grating blades and an opening, wherein the flocculation tank is arranged on one side of the disinfection tank, the ph adjusting tank is arranged on one side of the flocculation tank, the aeration tank is arranged on one side of the ph adjusting tank, the grating tank is arranged on one side of the aeration tank, the water guide pipe is movably arranged between the grating tank and the aeration tank, between the aeration tank and the ph adjusting tank, between the ph adjusting tank and the flocculation tank and between the flocculation tank and the disinfection tank at the middle position of the upper end, the first motor is movably arranged at the lower end position of one side of the outer surface of the front end of the grating tank, the fiber recovery chamber is arranged on one side of the outer surface of the upper end of the grating tank, the collection tank is arranged between the grating tank, the second motors are movably arranged at the lower end of the rear end of the outer surface of one side, close to the aeration tank, of the fiber recovery chamber, the number of the second motors is two, the two second motors are distributed up and down, the ventilation window is arranged in the middle of the outer surface of the upper end of the aeration tank, the medicine feeding pipe is arranged at the middle of one side, close to the flocculation tank, of the outer surface of the upper end of the ph adjusting tank, the grating machine is movably arranged in the grating tank and is inclined at sixty degrees with the grating tank, the grating machine extends to the interior of the fiber recovery chamber, the grating machine is rotatably connected with the first motor, the grating blades are fixedly arranged on the outer surface of the grating machine, and the opening is formed in the outer surface of one side of the fiber;
the inside lower extreme of fibre recovery room is equipped with dewatering mechanism, dewatering mechanism includes metal filter screen, driven shaft, driving shaft, compression roller and retrieves the mouth, driven shaft and driving shaft respectively movable mounting are both ends lower extreme position around between the both sides internal surface of fibre recovery room, metal filter screen wraps up between driven shaft and driving shaft, compression roller movable mounting is in metal filter screen's upper end in the rear end between the both sides internal surface of fibre recovery room, one side that compression roller and driving shaft are close to the aeration tank all with rotate between the second motor and be connected, retrieve the mouth and offer the rear end surface in fibre recovery room, be linked together through retrieving the mouth between fibre recovery room and the collecting box.
When the device works, papermaking wastewater is introduced into the grating tank, the grating tank is divided into two parts by the grating machine, the wastewater is filtered from one side of the grating tank to the other side of the grating tank by the grating machine, then the first motor is started, the first motor drives the grating machine to operate, so that grating blades are conveyed clockwise along the grating machine, impurities such as fibers in the wastewater are salvaged by the grating blades, the grating blades are conveyed from one side of the grating machine to the other side along with the transmission of the grating machine, the reverse side of the grating blades is realized, and the fibers on the grating blades are separated from the grating blades under the action of the gravity of the fibers, so that the fallen fibers fall into a dewatering mechanism in the fiber recovery chamber as the grating machine extends to the inside of the fiber recovery chamber through the opening;
because the fibers have water absorption capacity, the filtered fibers are directly collected, on one hand, a large amount of polluted wastewater is carried, the wastewater pollutes the environment and simultaneously causes a large amount of water source waste, and therefore, the fibers can be dehydrated through a dehydration mechanism;
the method comprises the following steps that firstly, second motors are started, two second motors respectively drive a press roller driving shaft to rotate, fibers fall onto a metal filter screen in a dewatering mechanism, the driving shaft is matched with a driven shaft to drive the metal filter screen to rotate, so that the metal filter screen is driven to rotate from the front end to the rear end of a fiber recovery chamber, the fibers on the surface of the metal filter screen are conveyed to the lower side of a press roller, then the press roller is matched with the metal filter screen to extrude wastewater adsorbed in the fibers, the dewatering treatment of the fibers is completed, then the fibers are continuously conveyed backwards along with the metal filter screen until the fibers are contacted with a recovery port, the fibers on the surface of the metal filter screen are scraped into a collection box by the edge of the recovery port, the volume of the dehydrated fibers is reduced, the occupied space of the fibers in the collection box is reduced, and;
then, the filtered waste water is introduced into an aeration tank through a water conduit to carry out aerobic reaction, then is introduced into a ph adjusting tank through the water conduit to carry out ph adjustment, and then is introduced into a flocculation tank through the water conduit to carry out flocculation precipitation so as to remove suspended matters in the waste water, and finally is introduced into a disinfection tank through the water conduit to carry out disinfection and sterilization, thereby completing the treatment of the papermaking waste water.
Preferably, the upper end of one side between the inner surfaces of the front end and the rear end of the fiber recovery chamber is movably provided with three spray heads, the number of the spray heads is three, the three spray heads are obliquely arranged from top to bottom in the direction of the grating machine, the spray heads are obliquely arranged at thirty degrees in the direction close to one end of the fiber recovery chamber, a water pump is arranged on one side, close to the aeration tank, of the grating machine in the grating tank, and a water guide pipe is movably arranged between the water pump and the spray heads.
The grating machine is similar to the conveyor belt, grating blades are arranged on the surface of the grating machine, the grating blades are lifted along with the transmission of the grating machine, so that fibers in the wastewater are salvaged out by the grating blades, the grating blades are transmitted to the other side from one side of the grating machine along with the transmission of the grating machine, the reverse side of the grating blades is realized, the fibers on the grating blades are separated from the grating blades and fall down under the action of the gravity of the fibers, but the fibers are wet and have certain adsorption force, so that part of the fibers are attached to the grating blades and are transmitted to the filtered wastewater along with the grating blades, the filtering effect of the wastewater is influenced, and the fibers attached to the grating blades need to be washed;
the during operation, utilize the water pump to pass through among the leading-in fibre of the waste water of filter part in with the grid pond and by the shower nozzle blowout, waste water sprays on the grid blade after the shower nozzle blowout, wash its surperficial fibre, thereby utilize rivers to drive the fibre and fall to fibre and retrieve indoor inside dewatering mechanism, because the shower nozzle is to the thirty degrees installations of direction slope that is close to fibre and retrieves room one end, make rivers be the slope blowout, can be better wash the grid blade, and set up three-layer shower nozzle, and keep shower nozzle and grid machine to keep the same inclination, through triple spray rinsing, ensure that the fibre on the grid blade is thoroughly washed out cleanly.
Preferably, the outer surface of the driving shaft is provided with a convex block, the convex block penetrates through the filtering holes of the metal filter screen, and the outer surface of the upper end of the convex block is spherical.
The fibers are attached to the surface of the metal filter screen and are easily clamped into filter holes on the metal filter screen after being rolled by the compression roller, so that the metal filter screen is blocked, and the normal passing of wastewater through the metal filter screen is influenced;
it is ejecting to imbed the fibre in the filtration pore through the lug, can dredge the metal filter screen, the during operation is because the driving shaft receives the parcel of metal filter screen and constantly rotates, the lug card on its surface goes into rather than the filtration pore of contact site metal filter screen, carry out the closure to the filtration pore through the lug, avoid pressing the fibre in the filtration pore when the compression roller extrudees the fibre, make the fibre remain the surface at the metal filter screen all the time, make things convenient for the metal filter screen when retrieving the mouth, the edge of retrieving the mouth scrapes the fibre on metal filter screen surface into the collection box, the surface of lug establishes to the sphere form simultaneously, can reduce its and the wearing and tearing of filtration pore edge, make the light card of lug go into in the filtration pore.
Preferably, the inside of ph equalizing basin is equipped with the mechanism that homogenizes, it includes fluted roller, (mixing) shaft, rim plate, puddler and water inlet to homogenize the mechanism, fluted roller movable mounting is in one side upper end position between the front and back both ends internal surface of ph equalizing basin, intermediate position between (mixing) shaft movable mounting both ends internal surface around the ph equalizing basin, rim plate fixed mounting is in the surface intermediate position of (mixing) shaft, both ends around the surface of puddler fixed mounting at the (mixing) shaft, the water inlet is seted up in the position that corresponds the leading water pipe of one side surface of ph equalizing basin, mesh between fluted roller and the rim plate mutually.
In order to ensure that the medicament added into the ph adjusting tank can be fully dissolved, the wastewater needs to be stirred after the medicament is added, the traditional stirring mode is divided into manual stirring and electric stirring, the former consumes manpower and has low efficiency, and the latter consumes resources and increases cost;
the stirring efficiency is ensured by the stirring mechanism, the labor and the cost can be saved, and during the operation, because the paper making belongs to large-scale engineering, the generated waste water is more, the impact force of the waste water can be utilized to convert the hydraulic power into mechanical power, firstly, the waste water after aeration is introduced into the ph adjusting tank from the aeration tank through the water conduit, the waste water falls down through the water inlet when entering the ph adjusting tank, the waste water generates the impact force when falling down, and the waste water drives the fluted roller to rotate anticlockwise through the impact force after falling down onto the fluted roller, because the fluted roller is meshed with the wheel disc, the wheel disc is driven to rotate clockwise when the fluted roller rotates, and the stirring shaft and the wheel disc are fixedly arranged, so that the stirring shaft rotates synchronously along with the wheel disc, and drives the stirring rod on the surface to rotate, the waste water is stirred, the medicament is fully dissolved, and the equipment such as a stirrer and the like is not required to, utilize the impact force cooperation of waste water self to homogenize the mechanism and accomplish the stirring, under the prerequisite of guaranteeing stirring efficiency, practiced thrift the manpower and reduced the cost.
Preferably, add the pencil including solid fixed ring, recess, branch pencil, pivot, apron, draw-in groove and breach, fixed ring fixed mounting is in the upper end surface that adds the pencil, solid fixed ring's internal surface is seted up to the recess, divide pencil fixed mounting in the inside that adds the pencil, and divide the quantity of pencil to be two, pivot fixed mounting is in the upper end surface intermediate position that adds the pencil, the apron is inlayed in the inside of recess, the draw-in groove is seted up in the lower extreme surface intermediate position of apron, the pivot runs through in the inside of draw-in groove, the breach is seted up in the front end surface intermediate position of apron.
The waste water is in an acidic or alkaline condition, so that the waste water needs to be neutralized when being treated, the neutralization treatment needs to be completed by adding an acidic or alkaline medicament into the waste water through a medicament adding pipe, the medicaments have the difference of acidity and alkalinity, when one medicament adding pipe is used for adding medicaments, residual medicaments are attached to the inner wall of the medicament adding pipe, and when another medicament is added, a part of medicaments are neutralized, so that the neutralization treatment of the waste water is influenced;
consequently through setting up two components pencil, divide into two with the pencil, be convenient for independently add the acid-base medicament, in operation, because the apron is connected through draw-in groove and the pivot on the pencil during, therefore, can the pivot be the pivot, rotate the apron, when locating through the corresponding pencil of branch of the breach rotation on the apron, make and divide the pencil to expose, then to wherein adding corresponding medicament, after the interpolation is accomplished, rotate the breach on the apron to the solid department of pencil upper end surface, ensure that two branch pencils are sheltered from, because the apron is inlayed in the recess of the solid fixed ring inner wall in pencil upper end, make the apron wrapped up by solid fixed ring, thereby avoid the mistake to touch the apron, ensured the guard action of apron to dividing the pencil.
Preferably, the inside movable mounting who divides the pencil has the piston pipe, the piston pipe is including a medicine mouth and rubber layer, a medicine mouth is seted up in one side surface lower extreme position of piston pipe, and is the scarf between medicine mouth and the piston pipe, the rubber layer parcel is in the surface of piston pipe.
The waste water needs to be stirred in the ph regulating tank to ensure that the regulating agent is fully dissolved, so that water splash is inevitably generated in the stirring process, the waste water is splashed onto the medicine distributing pipe, the inner wall of the medicine distributing pipe is wet, and a part of the agent is attached to the inner wall of the medicine distributing pipe during medicine adding to cause agent loss;
in order to keep the inner wall of the medicine distributing pipe dry, in operation, a piston pipe is arranged in the medicine distributing pipe, the medicine distributing pipe is closed by the aid of the piston pipe, waste water is prevented from splashing into the medicine distributing pipe, the piston pipe is pushed downwards when medicine is added, the medicine distributing pipe extends downwards from the piston pipe until a medicine outlet in the piston pipe extends out of the medicine distributing pipe, the medicine is added into the medicine distributing pipe and then slides down to the piston pipe along the trend, then slides down to the waste water through the medicine outlet in the inclined plane, the piston pipe is lifted upwards after the medicine is added, the piston pipe is contracted to the inside of the medicine distributing pipe, the medicine distributing pipe is closed, the rubber layer is wrapped on the surface of the piston pipe, the sealing performance between the piston pipe and the medicine distributing pipe is improved by the aid of the rubber layer, meanwhile, the friction force between the piston pipe and the medicine distributing pipe is also improved, and the piston pipe is prevented from being separated from the medicine distributing pipe.
Advantageous effects
1. The compression roller is matched with the metal filter screen to extrude wastewater adsorbed in the fibers, dehydration treatment of the fibers is completed, pollution and water source waste caused by the fact that the fibers carry a large amount of sewage are avoided, then the fibers are conveyed backwards continuously along the metal filter screen until the fibers are contacted with the recovery opening, the fibers on the surface of the metal filter screen are scraped into the collection box by the edge of the recovery opening, the volume of the dehydrated fibers is reduced, the occupied space of the fibers in the collection box is reduced, the storage capacity of the collection box is increased in a phase-changing manner, the fibers embedded into the filter holes are ejected out through the bumps, the metal filter screen can be dredged, and the fibers are prevented from being clamped into the filter holes in the metal filter screen after being rolled by the compression roller, so that the metal;
2. the impact force of the wastewater is utilized to convert the hydraulic power into mechanical force, the stirring mechanism is driven to stir the wastewater, so that the medicament can be fully dissolved, the manual labor and equipment such as a stirrer are not needed, the self impact force of the wastewater is utilized to match with the stirring mechanism to complete stirring, and the labor is saved and the cost is reduced on the premise of ensuring the stirring efficiency;
3. the medicine adding pipe is divided into two parts, so that the acid-base medicine is conveniently and independently added, the medicine is neutralized, the adjusting quality of the waste water is guaranteed, the waste water is prevented from splashing into the medicine dividing pipe, the inner wall of the medicine dividing pipe is kept dry, the waste water is prevented from splashing onto the medicine dividing pipe, the inner wall of the medicine dividing pipe is wet, and when the medicine is added, part of the medicine is attached to the inner wall of the medicine dividing pipe, and the loss of the medicine is caused.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the grid cell of the present invention in combination with a fiber recovery chamber;
FIG. 3 is a schematic view of the dewatering mechanism of the present invention;
FIG. 4 is a view of the dewatering mechanism of the present invention in combination with a collection box;
FIG. 5 is a schematic view of the driving shaft structure of the present invention;
FIG. 6 is an internal view of the ph adjustment tank of the present invention;
FIG. 7 is a schematic view of the homogenizing mechanism of the present invention;
FIG. 8 is a schematic view of the structure of the drug feeding tube of the present invention;
FIG. 9 is a schematic view of the cover plate structure of the present invention;
fig. 10 is a view of the dispensing tube of the present invention in combination with a piston tube.
Description of reference numerals:
1. a grid tank; 2. an aeration tank; 3. a ph adjusting tank; 4. a flocculation tank; 5. a disinfection tank; 6. a water conduit; 7. a first motor; 8. a fiber recovery chamber; 9. a collection box; 10. a second motor; 11. a ventilation window; 12. a medicine feeding pipe; 121. a fixing ring; 122. a groove; 123. a medicine distributing pipe; 124. a rotating shaft; 125. a cover plate; 126. a card slot; 127. a notch; 128. a piston tube; 1281. a medicine outlet; 1282. a rubber layer; 13. a grid machine; 14. a grille blade; 15. a dewatering mechanism; 151. a metal screen; 152. a driven shaft; 153. a drive shaft; 154. a compression roller; 16. an opening; 17. a spray head; 18. a water pump; 19. a water conduit; 20. a recovery port; 21. a bump; 22. a homogenizing mechanism; 221. a toothed roller; 222. a stirring shaft; 223. a wheel disc; 224. a stirring rod; 225. a water inlet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 10, the present invention provides a technical solution:
a papermaking wastewater treatment system comprises a grating tank 1, an aeration tank 2, a ph adjusting tank 3, a flocculation tank 4, a disinfection tank 5, a water conduit 6, a first motor 7, a fiber recovery chamber 8, a collection tank 9, a second motor 10, a ventilation window 11, a chemical feed pipe 12, a grating machine 13, grating blades 14 and an opening 16, wherein the flocculation tank 4 is arranged at one side of the disinfection tank 5, the ph adjusting tank 3 is arranged at one side of the flocculation tank 4, the aeration tank 2 is arranged at one side of the ph adjusting tank 3, the grating tank 1 is arranged at one side of the aeration tank 2, the water conduit 6 is movably arranged between the grating tank 1 and the aeration tank 2, between the aeration tank 2 and the ph adjusting tank 3, between the ph adjusting tank 3 and the flocculation tank 4 and at the middle position of the upper end between the flocculation tank 4 and the disinfection tank 5, the first motor 7 is movably arranged at the lower end position at one side of the outer surface at the front end of the grating tank 1, the fiber recovery chamber 8 is arranged on one side of the outer surface of the upper end of the grid pond 1 close to the aeration tank 2, the collection boxes 9 are arranged between the grid pond 1 and the outer surface of the rear end of the fiber recovery chamber 8, the second motors 10 are movably arranged on the lower end of the outer surface of one side of the fiber recovery chamber 8 close to the aeration tank 2, the number of the second motors 10 is two, the two second motors 10 are distributed up and down, the ventilation window 11 is arranged in the middle position of the outer surface of the upper end of the aeration tank 2, the medicine feeding pipe 12 is arranged on the outer surface of the upper end of the ph adjusting tank 3 close to the middle position of one side of the flocculation tank 4, the grid machine 13 is movably arranged inside the grid pond 1 and is inclined at sixty degrees with respect to the grid pond 1, the grid machine 13 extends into the fiber recovery chamber 8, the grid machine 13 is rotatably connected with the first motor 7, and the grid blades 14 are fixedly arranged on the outer, the opening 16 is arranged on the outer surface of one side of the fiber recovery chamber 8;
the lower end of the interior of the fiber recovery chamber 8 is provided with a dewatering mechanism 15, the dewatering mechanism 15 comprises a metal filter screen 151, a driven shaft 152, a driving shaft 153, a press roller 154 and a recovery port 20, the driven shaft 152 and the driving shaft 153 are respectively and movably mounted at the lower end positions of the front end and the rear end between the inner surfaces of the two sides of the fiber recovery chamber 8, the metal filter screen 151 is wrapped between the driven shaft 152 and the driving shaft 153, the press roller 154 is movably mounted at the upper end of the metal filter screen 151 between the inner surfaces of the two sides of the fiber recovery chamber 8, one side of the press roller 154 and one side of the driving shaft 153 close to the aeration tank 2 are rotatably connected with a second motor 10, the recovery port 20 is arranged at the outer surface of the rear end of the fiber recovery chamber 8, and the fiber recovery;
when the device works, papermaking wastewater is introduced into the grating tank 1, the grating tank 1 is divided into two parts by the grating machine 13, the wastewater is filtered from one side of the grating tank 1 to the other side by the grating machine 13, then the first motor 7 is started, the first motor 7 drives the grating machine 13 to operate, the grating blades 14 are conveyed clockwise along the grating machine 13, impurities such as fibers in the wastewater are salvaged by the grating blades 14, the grating blades 14 are conveyed from one side of the grating machine 13 to the other side along with the transmission of the grating machine 13, the reverse side of the grating blades 14 is realized, the fibers on the grating blades 14 are separated from the grating blades 14 by the aid of self gravity, and the falling fibers fall into the dewatering mechanism 15 in the fiber recovery chamber 8 as the grating machine 13 extends into the fiber recovery chamber 8 through the opening 16;
because the fibers have water absorption capacity, the filtered fibers are directly collected, on one hand, a large amount of polluted wastewater is carried, the wastewater pollutes the environment and simultaneously causes a large amount of water source waste, and therefore, the fibers can be dehydrated through the dehydration mechanism 15;
first, the second motors 10 are started, the two second motors 10 respectively drive the driving shafts 153 of the press rollers 154 to rotate, after the fibers fall onto the metal screen 151 in the dewatering mechanism 15, the driving shafts 153 drive the metal screen 151 to rotate in cooperation with the driven shafts 152, so that the metal screen 151 is driven from the front end to the rear end of the fiber recovery chamber 8, and the fibers on the surface of the metal screen 151 are transferred to the lower side of the press roller 154, then the press roller 154 is matched with the metal filter screen 151 to extrude the wastewater absorbed in the fiber, the dehydration treatment of the fiber is completed, then the fiber is conveyed backwards continuously along with the metal filter screen 151 until the fiber is contacted with the recovery opening 20, the edge of the recovery opening 20 scrapes the fiber on the surface of the metal filter screen 151 into the collection box 9, the volume of the dehydrated fiber is reduced, the occupied space of the fiber in the collecting box 9 is reduced, and the storage capacity of the collecting box 9 is increased in a phase-changing manner;
then, the filtered waste water is introduced into the aeration tank 2 through the water conduit 6 for aerobic reaction, then introduced into the ph adjusting tank 3 through the water conduit 6 for ph adjustment, then introduced into the flocculation tank 4 through the water conduit 6 for flocculation precipitation so as to remove suspended matters in the waste water, and finally introduced into the disinfection tank 5 through the water conduit 6 for disinfection and sterilization, thereby completing the treatment of the papermaking waste water.
As an embodiment of the present invention, as shown in fig. 2 and 4, spray heads 17 are movably mounted at an upper end position of one side between inner surfaces of front and rear ends of the fiber recovery chamber 8, the number of the spray heads 17 at the front and rear ends is three, the three spray heads 17 are obliquely arranged from top to bottom in a direction toward the fiber recovery chamber 8, the spray heads 17 are obliquely mounted at thirty degrees in a direction close to one end of the fiber recovery chamber 8, a water pump 18 is disposed inside the fiber grating tank 1 at a side of the fiber grating machine 13 close to the aeration tank 2, and a water guide pipe 19 is movably mounted between the water pump 18 and the spray heads 17;
the grating machine 13 is similar to a conveyor belt, the surface of the grating machine 13 is provided with grating blades 14, the grating blades 14 are lifted along with the transmission of the grating machine 13, so that fibers in the wastewater are salvaged out by the grating blades 14, the grating blades 14 are transmitted to the other side from one side of the grating machine 13 along with the transmission of the grating machine 13, the reverse side of the grating blades 14 is realized, at the moment, the fibers on the grating blades 14 are downward separated from the grating blades 14 under the action of the self gravity, but because the fibers are wet, certain adsorption force exists, part of the fibers are attached to the grating blades 14 and are transmitted to the filtered wastewater along with the grating blades 14, the filtering effect of the wastewater is influenced, and the fibers attached to the grating blades 14 need to be washed;
during operation, utilize water pump 18 to lead into the shower nozzle 17 of fibre recovery room 8 inside with the waste water of the filter part in grid pond 1 through aqueduct 19 and spout by shower nozzle 17, waste water sprays on grid blade 14 after spout from shower nozzle 17, wash the fibre on its surface, thereby utilize rivers to drive the fibre and fall to fibre recovery room 8 inside dewatering mechanism 15 on, because shower nozzle 17 is installed to the thirty degrees of slope of the direction that is close to fibre recovery room 8 one end, make rivers be the slope blowout, can be better wash grid blade 14, and set up three-layer shower nozzle 17, and keep shower nozzle 17 and grid machine 13 to keep the same inclination, through triple spray rinsing, ensure that the fibre on grid blade 14 is thoroughly washed out cleanly.
As one embodiment of the present invention, as shown in fig. 5, a protrusion 21 is disposed on an outer surface of the driving shaft 153, the protrusion 21 penetrates through a filtering hole of the metal filter screen 151, and an outer surface of an upper end of the protrusion 21 is spherical;
because the fibers are attached to the surface of the metal filter screen 151, the fibers are easily clamped into filter holes of the metal filter screen 151 after being rolled by the compression roller 154, so that the metal filter screen 151 is blocked, and the normal passing of wastewater through the metal filter screen 151 is influenced;
it is ejecting to imbed the fibre in the filtration pore through lug 21, can dredge metal filter screen 151, during operation because driving shaft 153 receives the parcel of metal filter screen 151 and constantly rotates, lug 21 card on its surface is gone into rather than the filtration pore of contact site metal filter screen 151, carry out the closure to the filtration pore through lug 21, avoid pressing the fibre into in the filtration pore when compression roller 154 extrudees the fibre, make the fibre remain the surface at metal filter screen 151 all the time, make things convenient for metal filter screen 151 when through recovery mouth 20, the edge of recovery mouth 20 scrapes into collecting box 9 with the fibre on metal filter screen 151 surface, lug 21's surface is established to the sphere simultaneously, can reduce its and the wearing and tearing at filtration pore edge, make lug 21 easily block in the filtration pore.
As an embodiment of the present invention, as shown in fig. 6 to 7, a stirring mechanism 22 is disposed inside the ph adjusting tank 3, the stirring mechanism 22 includes a toothed roller 221, a stirring shaft 222, a wheel disc 223, a stirring rod 224 and a water inlet 225, the toothed roller 221 is movably mounted at an upper end position of one side between inner surfaces of front and rear ends of the ph adjusting tank 3, the stirring shaft 222 is movably mounted at a middle position between inner surfaces of the front and rear ends of the ph adjusting tank 3, the wheel disc 223 is fixedly mounted at a middle position of an outer surface of the stirring shaft 222, the stirring rod 224 is fixedly mounted at front and rear ends of an outer surface of the stirring shaft 222, the water inlet 225 is opened at a position corresponding to the water conduit 6 on an outer surface of one side of the ph adjusting tank 3, and the toothed roller 221 is engaged with the wheel;
in order to ensure that the medicament added into the ph adjusting tank 3 can be fully dissolved, the wastewater needs to be stirred after the medicament is added, the traditional stirring mode is divided into manual stirring and electric stirring, the former consumes manpower and has low efficiency, and the latter consumes resources and increases cost;
when the stirring mechanism 22 is used, the stirring efficiency is guaranteed, the labor and the cost can be saved, and when the stirring mechanism works, because the paper making belongs to large-scale engineering, and the generated waste water is more, the impact force of the waste water can be utilized to convert the hydraulic power into mechanical power, firstly, the waste water after aeration is introduced into the ph adjusting tank 3 from the aeration tank 2 through the water conduit 6, the waste water falls through the water inlet 225 when entering the ph adjusting tank 3, the waste water generates the impact force when falling, therefore, after the waste water falls onto the toothed roller 221, the toothed roller 221 is driven to rotate anticlockwise through the impact force, because the toothed roller 221 is meshed with the wheel disc 223, when the toothed roller 221 rotates, the wheel disc 223 is driven to rotate clockwise, the stirring shaft 222 is fixedly installed with the wheel disc 223, so that the stirring shaft 222 rotates synchronously along with the wheel disc 223 and drives the stirring rod 224 on the surface to rotate, and the waste water, make the medicament fully dissolve, need not with the help of the manpower and increase equipment such as agitator, utilize the impact force cooperation of waste water self to homogenize mechanism 22 and accomplish the stirring, guarantee to stir under the prerequisite of efficiency, practiced thrift the manpower and reduced the cost.
As an embodiment of the present invention, as shown in fig. 8 to 9, the medicine feeding tube 12 includes a fixing ring 121, a groove 122, medicine distributing tubes 123, a rotating shaft 124, a cover plate 125, a clamping groove 126 and a notch 127, the fixing ring 121 is fixedly mounted on an outer surface of an upper end of the medicine feeding tube 12, the groove 122 is disposed on an inner surface of the fixing ring 121, the medicine distributing tubes 123 are fixedly mounted inside the medicine feeding tube 12, the number of the medicine distributing tubes 123 is two, the rotating shaft 124 is fixedly mounted at a middle position of the outer surface of the upper end of the medicine feeding tube 12, the cover plate 125 is embedded inside the groove 122, the clamping groove 126 is disposed at a middle position of an outer surface of a lower end of the cover plate 125, the rotating shaft 124 penetrates through the inside of the clamping groove 126, and the notch 127 is disposed at a middle position of an;
because the wastewater has acidic or alkaline conditions, the wastewater needs to be neutralized when being treated, the neutralization treatment needs to be completed by adding an acidic or alkaline medicament into the wastewater through the medicament adding pipes 12, and the medicaments have acid-alkaline differences, so that when one medicament adding pipe 12 is used for adding medicaments, residual medicaments are attached to the inner wall of the medicament adding pipe 12, and when another medicament is added, partial medicaments are neutralized, so that the neutralization treatment of the wastewater is influenced;
therefore, through setting up two component medicine pipe 123, add medicine pipe 12 and be divided into two, be convenient for independently add acid-base medicament, in operation, because the apron 125 is connected with pivot 124 on adding medicine pipe 12 through draw-in groove 126 during, therefore, pivot 124 can be the pivot, rotate apron 125, when dividing medicine pipe 123 department that corresponds through the breach 127 rotation on the apron 125, make dividing medicine pipe 123 expose, then add corresponding medicament to it, after adding, rotate breach 127 on the apron 125 to the solid department of medicine pipe 12 upper end surface, ensure that two divide medicine pipe 123 and be sheltered from, because apron 125 inlays in the recess 122 of the solid fixed ring 122 of medicine pipe 12 upper end 121 inner wall, make apron 125 wrapped up by fixed ring 121, thereby avoid mistake touching apron 125, ensured the guard action of apron 125 to dividing medicine pipe 123.
As an embodiment of the present invention, as shown in fig. 10, a piston tube 128 is movably installed inside the medicine dispensing tube 123, the piston tube 128 includes a medicine outlet 1281 and a rubber layer 1282, the medicine outlet 1281 is opened at a lower end of an outer surface of one side of the piston tube 128, a chamfered surface is formed between the medicine outlet 1281 and the piston tube 128, and the rubber layer 1282 is wrapped on an outer surface of the piston tube 128;
the waste water in the ph adjusting tank 3 needs to be stirred to ensure that the adjusting agent is fully dissolved, so that water splash is inevitably generated in the stirring process, the waste water is splashed onto the medicine distributing pipe 123, the inner wall of the medicine distributing pipe 123 is wet, and a part of the agent is attached to the inner wall of the medicine distributing pipe 123 during medicine adding, so that the agent is lost;
in order to keep the inner wall of the medicine distributing pipe 123 dry, when in operation, the piston pipe 128 is arranged inside the medicine distributing pipe 123, the medicine distributing pipe 123 is closed by the piston pipe 128, waste water is prevented from splashing into the medicine distributing pipe 123, when adding medicine, the piston tube 128 is pushed downwards, so that the piston tube 128 extends downwards out of the medicine distribution tube 123 until the medicine outlet 1281 on the piston tube 128 extends out of the medicine distribution tube 123, the medicine is added into the medicine distribution tube 123 and then slides down to the piston tube 128, then the mixture slides into the wastewater through a medicine outlet 1281 of the inclined plane, after the medicine is added, the piston tube 128 is lifted upwards to be contracted into the medicine distributing tube 123, the medicine distributing pipe 123 is closed, because the rubber layer 1282 is wrapped on the surface of the piston pipe 128, the rubber layer 1282 is utilized to increase the sealing performance between the piston pipe 128 and the medicine distributing pipe 123, meanwhile, the friction force between the piston tube 128 and the medicine distribution tube 123 is increased, and the piston tube 128 is prevented from sinking and separating from the medicine distribution tube 123 due to the self gravity.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A papermaking wastewater treatment system comprises a grid pond (1), an aeration pond (2), a ph adjusting pond (3), a flocculation pond (4), a disinfection pond (5), a water conduit (6), a first motor (7), a fiber recovery chamber (8), a collection box (9), a second motor (10), a ventilation window (11), a chemical feeding pipe (12), a grid machine (13), grid blades (14) and an opening (16), and is characterized in that the flocculation pond (4) is arranged on one side of the disinfection pond (5), the ph adjusting pond (3) is arranged on one side of the flocculation pond (4), the aeration pond (2) is arranged on one side of the ph adjusting pond (3), the grid pond (1) is arranged on one side of the aeration pond (2), the water conduit (6) is movably arranged between the grid pond (1) and the aeration pond (2), between the aeration pond (2) and the ph adjusting pond (3), and the water conduit (3), The upper end middle position between the ph adjusting tank (3) and the flocculation tank (4) and between the flocculation tank (4) and the disinfection tank (5), the first motor (7) is movably arranged at the lower end position of one side of the outer surface of the front end of the grid tank (1), the fiber recovery chamber (8) is arranged at one side of the outer surface of the upper end of the grid tank (1) close to the aeration tank (2), the collection boxes (9) are arranged between the outer surfaces of the rear ends of the grid tank (1) and the fiber recovery chamber (8), the second motors (10) are movably arranged at the lower end position of the outer surface of one side of the fiber recovery chamber (8) close to the aeration tank (2), the number of the second motors (10) is two, the two second motors (10) are distributed up and down, the ventilation window (11) is arranged at the middle position of the outer surface of the upper end of the aeration tank (2), the chemical feeding pipe (12) is arranged at the middle position of one side of the outer surface of the upper end of the ph adjusting tank (3) close to, the grating machine (13) is movably arranged in the grating pool (1) and is inclined at sixty degrees with the grating pool (1), the grating machine (13) extends into the fiber recovery chamber (8), the grating machine (13) is rotatably connected with the first motor (7), the grating blades (14) are fixedly arranged on the outer surface of the grating machine (13), and the opening (16) is formed in the outer surface of one side of the fiber recovery chamber (8);
the lower end in the fiber recovery chamber (8) is provided with a dehydration mechanism (15), the dehydration mechanism (15) comprises a metal filter screen (151), a driven shaft (152), a driving shaft (153), a press roll (154) and a recovery opening (20), the driven shaft (152) and the driving shaft (153) are respectively and movably arranged at the lower end positions of the front end and the rear end between the inner surfaces of the two sides of the fiber recovery chamber (8), the metal filter screen (151) is wrapped between the driven shaft (152) and the driving shaft (153), the compression roller (154) is movably arranged between the inner surfaces of the two sides of the fiber recovery chamber (8), the rear end of the compression roller is positioned at the upper end of the metal filter screen (151), one sides of the compression roller (154) and the driving shaft (153) close to the aeration tank (2) are rotationally connected with the second motor (10), the recovery port (20) is arranged on the outer surface of the rear end of the fiber recovery chamber (8), the fiber recovery chamber (8) is communicated with the collecting box (9) through a recovery port (20).
2. The papermaking wastewater treatment system according to claim 1, characterized in that spray heads (17) are movably mounted at the upper end of one side between the inner surfaces of the front end and the rear end of the fiber recovery chamber (8), the number of the spray heads (17) at the front end and the rear end is three, the three spray heads (17) are obliquely arranged from top to bottom in the direction of the grid machine (13), the spray heads (17) are obliquely mounted at thirty degrees in the direction close to one end of the fiber recovery chamber (8), a water pump (18) is arranged in the grid pond (1) at one side of the grid machine (13) close to the aeration tank (2), and a water guide pipe (19) is movably mounted between the water pump (18) and the spray heads (17).
3. The papermaking wastewater treatment system according to claim 1, wherein the outer surface of the driving shaft (153) is provided with a bump (21), the bump (21) penetrates through the filtration pore of the metal screen (151), and the outer surface of the upper end of the bump (21) is spherical.
4. The papermaking wastewater treatment system according to claim 1, wherein the ph adjusting tank (3) is internally provided with a stirring mechanism (22), the stirring mechanism (22) comprises a gear roller (221), a stirring shaft (222), a wheel disc (223), a stirring rod (224) and a water inlet (225), the gear roller (221) is movably mounted at the upper end position of one side between the inner surfaces of the front end and the rear end of the ph adjusting tank (3), the stirring shaft (222) is movably mounted at the middle position between the inner surfaces of the front end and the rear end of the ph adjusting tank (3), the wheel disc (223) is fixedly mounted at the middle position of the outer surface of the stirring shaft (222), the stirring rod (224) is fixedly mounted at the front end and the rear end of the outer surface of the stirring shaft (222), and the water inlet (225) is arranged at the position of the outer surface of one side of the ph adjusting tank (3) corresponding to the water diversion pipe, the toothed roller (221) is meshed with the wheel disc (223).
5. The papermaking wastewater treatment system according to claim 1, wherein the dosing pipe (12) comprises a fixing ring (121), a groove (122), a distribution pipe (123), a rotating shaft (124), a cover plate (125), two clamping grooves (126) and notches (127), the fixing ring (121) is fixedly installed on the outer surface of the upper end of the dosing pipe (12), the groove (122) is formed in the inner surface of the fixing ring (121), the distribution pipe (123) is fixedly installed inside the dosing pipe (12), the number of the distribution pipes (123) is two, the rotating shaft (124) is fixedly installed in the middle position of the outer surface of the upper end of the dosing pipe (12), the cover plate (125) is embedded inside the groove (122), the clamping grooves (126) are formed in the middle position of the outer surface of the lower end of the cover plate (125), and the rotating shaft (124) penetrates through the inside of the clamping grooves (126), the notch (127) is arranged in the middle of the outer surface of the front end of the cover plate (125).
6. The papermaking wastewater treatment system according to claim 1, wherein a piston pipe (128) is movably mounted inside the chemical distribution pipe (123), the piston pipe (128) comprises a chemical outlet (1281) and a rubber layer (1282), the chemical outlet (1281) is arranged at the lower end of the outer surface of one side of the piston pipe (128), a chamfer is formed between the chemical outlet (1281) and the piston pipe (128), and the rubber layer (1282) wraps the outer surface of the piston pipe (128).
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| CN202011197514.2A CN112340944A (en) | 2020-10-30 | 2020-10-30 | Papermaking wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011197514.2A CN112340944A (en) | 2020-10-30 | 2020-10-30 | Papermaking wastewater treatment system |
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