CN111233132A - Aeration equipment for reclaimed plastic particle waste water - Google Patents

Aeration equipment for reclaimed plastic particle waste water Download PDF

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Publication number
CN111233132A
CN111233132A CN202010254584.0A CN202010254584A CN111233132A CN 111233132 A CN111233132 A CN 111233132A CN 202010254584 A CN202010254584 A CN 202010254584A CN 111233132 A CN111233132 A CN 111233132A
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CN
China
Prior art keywords
aeration
aeration cylinder
wastewater
annular
cylinder
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Withdrawn
Application number
CN202010254584.0A
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Chinese (zh)
Inventor
郭坤
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Hanshan Jinzhonghuan Decoration Material Co ltd
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Hanshan Jinzhonghuan Decoration Material Co ltd
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Priority to CN202010254584.0A priority Critical patent/CN111233132A/en
Publication of CN111233132A publication Critical patent/CN111233132A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The invention belongs to the technical field of wastewater treatment devices, and particularly relates to an aeration device for regenerated plastic particle wastewater, which comprises a base, wherein an aeration cylinder is arranged on the base, the bottom of the aeration cylinder is provided with a motor, an output shaft of the motor upwards penetrates through the bottom of the aeration cylinder and then upwards extends, the top of the output shaft is provided with a clamping block, the periphery of the output shaft is provided with a shaft sleeve, the top of the shaft sleeve is provided with a limiting block for coating the clamping block, a conical liquid guide part is fixedly arranged outside the limiting block, the periphery of the shaft sleeve is provided with a plurality of fixing rings, the fixing rings are connected with a stirring rod and; the bottom of the shaft sleeve is provided with a limiting piece, and the bottom of the aeration cylinder is provided with an annular bulge matched with the limiting piece; an annular through groove is formed in the aeration cylinder, and the annular through groove is communicated with an air pipeline and an inflation pipe inwards. Compared with the prior art, the invention has the following advantages: the device has simple and reasonable structure and easy maintenance, and ensures that the wastewater in the aeration cylinder is uniformly mixed; the dissolved oxygen is fully contacted with the waste water.

Description

Aeration equipment for reclaimed plastic particle waste water
Technical Field
The invention belongs to the technical field of wastewater treatment devices, and particularly relates to an aeration device for regenerated plastic particle wastewater.
Background
The regenerated plastic is produced by recycling used new or waste plastic through a screw machine, cutting the plastic into granular plastic granules through a granulator, and obtaining the plastic granules by passing raw materials through a series of working sections such as a crusher, a cleaning machine, a dehydrator, a feeder, an extruder, a granulator and the likeThe final product is plastic particles; therefore, a certain amount of cleaning wastewater is generated in the production process, and the quality of the wastewater is detected by sampling as follows: the pH value is 7-9, the COD is 500mg/L, BOD5200mg/L, SS to 200mg/L, NH3N is 10mg/L, and the urban sewage discharge standard is as follows according to GB18918-2002 primary standard: the pH value is 6-9, the COD is 60mg/L, BOD5Is 20mg/L, SS to 20mg/L, NH3-N is 8 mg/L; in the sewage purification process, the process usually comprises the processes of filtering, aerating and precipitating, wherein the aerating refers to the process of forcibly transferring oxygen in the air into liquid, and aims to ensure that the sewage obtains dissolved oxygen so as to ensure that microorganisms in the sewage have sufficient dissolved oxygen when decomposing organic matters, the application document with the application number of 201610998821.8 discloses an aerating device, and a floating stirring piece and an aerating stirring rod are arranged in the aerating device, so that the waste water can be uniformly stirred, the decomposition effect of the microorganisms in the sewage on the organic matters can be promoted, and the suspension body is prevented from sinking; but there will be the output shaft swing that the atress inequality arouses in the stirring process, and the unsteady stirring piece of being connected with first pivot pole fixed knot is fixed knot structure, has great resistance in the stirring process, consequently further improves current aeration equipment.
Disclosure of Invention
The invention aims to provide an aeration device for regenerated plastic particle wastewater, aiming at the problems of complicated structure, overlarge resistance in the stirring process and easy non-uniform stress of the existing aeration device.
The invention is realized by the following technical scheme: an aeration device for waste water of recycled plastic particles comprises a base, wherein an aeration cylinder is arranged on the base, a water inlet pipe is arranged at the central position of the top of the aeration cylinder, a water inlet valve is arranged on the water inlet pipe, an exhaust pipe is also arranged at the top of the aeration cylinder, a drain pipe is arranged at the bottom of the aeration cylinder, a drain valve is arranged on the drain pipe, a motor is arranged at the bottom of the aeration cylinder, an output shaft of the motor upwards extends upwards after penetrating through the bottom of the aeration cylinder, a clamping block is arranged at the top of the output shaft, a shaft sleeve is arranged at the periphery of the output shaft, a limiting block for coating the clamping block is arranged at the top of the shaft sleeve, a conical liquid guide part is fixedly arranged outside the limiting block, a plurality of fixing rings are arranged at; the bottom of the shaft sleeve is provided with a limiting piece, and the limiting piece comprises a limiting annular groove, an annular partition plate, a spring annular groove and a shaft hole from outside to inside; the bottom of the aeration cylinder is provided with an annular bulge matched with the limiting annular groove, and the spring annular groove is internally provided with a spring part fixed with the bottom surface of the aeration cylinder; the aeration cylinder is internally provided with an annular through groove which is positioned at the lower position of the aeration cylinder, the annular through groove is communicated with an air pipeline extending in the radial direction, the bottom of the air pipeline is provided with a plurality of microporous aerators, one side of the annular through groove is communicated with an inflation pipe extending in the radial direction, and the other end of the inflation pipe is connected with an air blower.
Specifically, the diameter of the bottom surface of the conical liquid guiding piece is larger than the inner diameter of the water inlet pipe, so that the conical liquid guiding piece can preliminarily distribute the wastewater entering the aeration cylinder, and the wastewater can be more effectively and quickly and uniformly mixed with the wastewater previously entering the aeration cylinder.
Specifically, the through hole is formed in the upper position of the annular partition plate, so that the limiting annular groove is communicated with the upper end of the spring annular groove, and the situation that the limiting piece cannot move downwards due to air pressure can be avoided; the spring annular groove is communicated with the outside of the aeration cylinder.
Specifically, the density of the suspension rod is greater than that of water, and the densities of the floating ball and the stirring rod are less than that of water; the floating ball can be positioned at the height of the wastewater liquid level, so that the wastewater in the aeration cylinder can be effectively stirred; the fixing ring is relatively fixed with the shaft sleeve, the structure is stable, and the later maintenance is simple.
Specifically, the water inlet valve and the water discharge valve are electromagnetic valves, and the inflation tube is provided with a one-way valve; the water inlet valve and the water discharge valve can be adjusted according to actual needs, and the one-way valve can ensure that gas is filled and avoid gas return.
Specifically, 4-6 fixing rings are arranged on the periphery of the shaft sleeve, and 2-5 lifting rings are fixed at the bottom of the stirring rod; can be specifically adjusted according to the device size, guarantee the effective stirring to waste water.
Specifically, the wastewater is filtered by a filter with the particle size of 1-2mm before entering the aeration cylinder, so that the primarily treated wastewater can be further purified.
When the aerator is used, the drain valve is closed, the water inlet valve is opened, the air blower starts to inflate when the height of the wastewater in the aeration cylinder is higher than that of the air pipeline, then the motor is started, and the water inlet valve is closed when the height of the wastewater in the aeration cylinder reaches 2/3 of the height of the aeration cylinder; and when the working time of the blower is longer than 5 minutes, opening the drain valve, and then when the height of the wastewater in the aeration cylinder reaches 1/3 of the height of the aeration cylinder, opening the water inlet valve, and controlling the opening and closing of the water inlet valve and the drain valve to keep the wastewater in the aeration cylinder at 1/3-2/3 of the height of the aeration cylinder.
Compared with the prior art, the invention has the following advantages: the device has simple and reasonable structure, easy maintenance and reasonable shaft sleeve structural design, the shaft sleeve and the output shaft move downwards in the vertical direction due to the impact force of wastewater input at the water inlet pipe, then the shaft sleeve and the output shaft vibrate up and down in the vertical direction due to the reaction force of the spring, and the stirring rod can stir in the horizontal direction by matching with the rotation of the motor, so that the wastewater in the aeration cylinder is uniformly mixed; due to the reasonable arrangement of the fixing ring, the effective stirring of the wastewater can be ensured when the wastewater in the aeration cylinder has different heights; the microporous aerator is arranged downwards, so that oxygen can impact the bottom of the aeration cylinder, and bottom precipitation is avoided; the dissolved oxygen rises from the bottom to fully contact with the wastewater, and completely decomposes the organic matters in the wastewater.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the structure at a in fig. 1.
Fig. 3 is a schematic view of the spring when compressed.
Fig. 4 is a top view at the annular channel.
Fig. 5 is a bottom view of the stopper.
Fig. 6 is a schematic view of the structure when the wastewater level is higher than the fixed ring.
Fig. 7 is a schematic view of the wastewater level below the fixed ring.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-7, an aeration apparatus for recycled plastic particle wastewater comprises a base 1, wherein an aeration cylinder 2 is arranged on the base 1, a water inlet pipe 22 is arranged at the center of the top of the aeration cylinder 2, a water inlet valve 221 is arranged on the water inlet pipe 22, an exhaust pipe 21 (for exhausting excess gas) is further arranged at the top of the aeration cylinder 2, a drain pipe 23 is arranged at the bottom of the aeration cylinder 2, and a drain valve 231 is arranged on the drain pipe 23; the water inlet valve 221 and the drain valve 231 are electromagnetic valves, so that the water inlet valve 221 and the drain valve 231 can be adjusted according to actual needs;
the bottom of the aeration cylinder 2 is provided with a motor 4, an output shaft 41 of the motor 4 upwards penetrates through the bottom of the aeration cylinder 2 and then upwards extends, a clamping block 42 is arranged at the top of the output shaft 41, a shaft sleeve 52 is arranged on the periphery of the output shaft 41, a limiting block 51 (the clamping block is a cuboid or a triangular body and prevents the clamping block and the limiting block from moving relatively) for coating the clamping block 42 is arranged at the top of the shaft sleeve 52, a conical liquid guide part 5 is fixedly arranged outside the limiting block 51, the diameter of the bottom surface of the conical liquid guide part 5 is larger than the inner diameter of the water inlet pipe 22, so that the conical liquid guide part 5 can preliminarily distribute waste water entering the aeration cylinder 2, the waste water can be more effectively and quickly and uniformly mixed with waste water entering the aeration cylinder 2 in the prior;
the periphery of the middle height position of the shaft sleeve 52 is provided with 5 fixing rings 6, the fixing rings 6 are rotatably connected with a stirring rod 61, the tail end of the stirring rod 61 is provided with a floating ball 62, the bottom of the stirring rod 61 is uniformly fixed with 3 lifting rings 63, and the bottom of each lifting ring 63 is rotatably connected with a suspension rod 64; the density of the suspension rod 64 is greater than that of water, and the densities of the floating ball 62 and the stirring rod 61 are less than that of water; the floating ball 62 can be positioned at the height of the wastewater liquid level, so that the wastewater in the aeration cylinder 2 can be effectively stirred; the fixing ring 6 and the shaft sleeve 52 are relatively fixed, the structure is stable, and the later maintenance is simple;
the bottom of the shaft sleeve 52 is provided with a limiting part 53, and the limiting part 53 comprises a limiting annular groove 531, an annular partition 533, a spring annular groove 532 and a shaft hole from outside to inside; the bottom of the aeration cylinder 2 is provided with an annular bulge 9 matched with the limiting annular groove 531, and the spring annular groove 532 is internally provided with a spring part 8 fixed with the bottom surface of the aeration cylinder 2; the annular partition 533 is provided with a through hole 534 near the upper position, so that the limiting annular groove 531 is communicated with the upper end of the spring annular groove 532, and the limiting member 53 can be prevented from moving downwards due to air pressure; the spring annular groove 532 is communicated with the outside of the aeration cylinder 2;
an annular through groove 24 is formed in the aeration cylinder 2, the annular through groove 24 is located at the position, close to the aeration cylinder 2, of the aeration cylinder, the annular through groove 24 is communicated with an air pipeline 32 extending in the radial direction inwards, a plurality of microporous aerators 33 are arranged at the bottom of the air pipeline 32, one side of the annular through groove 24 is communicated with an inflation pipe 31 extending in the radial direction outwards, and the other end of the inflation pipe 31 is connected with the air blower 3; the gas-filled tube 31 is provided with a check valve (not shown in the figure), which can ensure the gas filling and avoid the gas return.
In order to ensure the using effect of the aeration device, the wastewater is filtered by a filter with the particle size of 1-2mm before entering the aeration cylinder 2, so that the wastewater after primary treatment can be further purified.
When in use, the drain valve 231 is closed, the water inlet valve 221 is opened, the blower 3 starts to inflate after the wastewater in the aeration cylinder 2 is higher than the air pipeline 32, then the motor 4 is started, and the water inlet valve 221 is closed after the wastewater in the aeration cylinder 2 reaches 2/3 at the height of the aeration cylinder 2; when the working time of the blower 3 is longer than 5 minutes, the drain valve is opened, then when the height of the wastewater in the aeration cylinder 2 reaches 1/3 of the height of the aeration cylinder 2, the water inlet valve 221 is opened, the opening and closing of the water inlet valve 221 and the drain valve 231 are controlled, and the wastewater in the aeration cylinder 2 is kept at 1/3-2/3 of the height of the aeration cylinder 2.
The device has simple and reasonable structure, easy maintenance and reasonable shaft sleeve structural design, the shaft sleeve and the output shaft move downwards in the vertical direction due to the impact force of wastewater input at the water inlet pipe, then the shaft sleeve and the output shaft vibrate up and down in the vertical direction due to the reaction force of the spring, and the stirring rod can stir in the horizontal direction by matching with the rotation of the motor, so that the wastewater in the aeration cylinder is uniformly mixed; due to the reasonable arrangement of the fixing ring, the effective stirring of the wastewater can be ensured when the wastewater in the aeration cylinder has different heights; the microporous aerator is arranged downwards, so that oxygen can impact the bottom of the aeration cylinder, and bottom precipitation is avoided; the dissolved oxygen rises from the bottom to fully contact with the wastewater, and completely decomposes the organic matters in the wastewater.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. An aeration device for regenerated plastic particle waste water comprises a base, an aeration cylinder is arranged on the base, a water inlet pipe is arranged at the center of the top of the aeration cylinder, a water inlet valve is arranged on the water inlet pipe, an exhaust pipe is also arranged at the top of the aeration cylinder, a drain pipe is arranged at the bottom of the aeration cylinder, a drain valve is arranged on the drain pipe, it is characterized in that the bottom of the aeration cylinder is provided with a motor, an output shaft of the motor upwards penetrates through the bottom of the aeration cylinder and then extends upwards, the top of the output shaft is provided with a clamping block, the periphery of the output shaft is provided with a shaft sleeve, the top of the shaft sleeve is provided with a limiting block for coating the clamping block, a conical liquid guide part is fixedly arranged outside the limiting block, the periphery of the middle height of the shaft sleeve is provided with a plurality of fixing rings, the fixed ring can be rotatably connected with a stirring rod, a floating ball is arranged at the tail end of the stirring rod, a plurality of hanging rings are uniformly fixed at the bottom of the stirring rod, and the bottoms of the hanging rings can be rotatably connected with a hanging rod; the bottom of the shaft sleeve is provided with a limiting piece, and the limiting piece comprises a limiting annular groove, an annular partition plate, a spring annular groove and a shaft hole from outside to inside; the bottom of the aeration cylinder is provided with an annular bulge matched with the limiting annular groove, and the spring annular groove is internally provided with a spring part fixed with the bottom surface of the aeration cylinder; the aeration cylinder is internally provided with an annular through groove which is positioned at the lower position of the aeration cylinder, the annular through groove is communicated with an air pipeline extending in the radial direction, the bottom of the air pipeline is provided with a plurality of microporous aerators, one side of the annular through groove is communicated with an inflation pipe extending in the radial direction, and the other end of the inflation pipe is connected with an air blower.
2. The aeration apparatus for wastewater with recycled plastic granules as defined in claim 1, wherein the bottom surface of said conical drainage member has a diameter larger than the inner diameter of the inlet pipe.
3. The aeration apparatus for reclaimed plastic pellet wastewater as claimed in claim 1, wherein a through hole is provided at an upper position of the annular partition plate to communicate the limiting annular groove with an upper end of the spring annular groove; the spring annular groove is communicated with the outside of the aeration cylinder.
4. The aeration apparatus for wastewater with recycled plastic granules as claimed in claim 1, wherein said suspension rod has a density greater than that of water, and said floating ball and said stirring rod have densities less than that of water.
5. The aeration apparatus for regenerated plastic pellet wastewater as claimed in claim 1, wherein said water inlet valve and said water discharge valve are solenoid valves, and said aeration pipe is provided with a check valve.
6. The aeration apparatus for reclaimed plastic pellet wastewater as claimed in claim 1, wherein 4 to 6 fixing rings are provided on the outer circumference of the shaft sleeve, and 2 to 5 rings are fixed to the bottom of the stirring rod.
7. The aeration apparatus for wastewater of recycled plastic granules according to claim 1, wherein the wastewater is filtered through a filter having a particle size of 1 to 2mm before entering the aeration tank.
CN202010254584.0A 2020-04-02 2020-04-02 Aeration equipment for reclaimed plastic particle waste water Withdrawn CN111233132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010254584.0A CN111233132A (en) 2020-04-02 2020-04-02 Aeration equipment for reclaimed plastic particle waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010254584.0A CN111233132A (en) 2020-04-02 2020-04-02 Aeration equipment for reclaimed plastic particle waste water

Publications (1)

Publication Number Publication Date
CN111233132A true CN111233132A (en) 2020-06-05

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CN202010254584.0A Withdrawn CN111233132A (en) 2020-04-02 2020-04-02 Aeration equipment for reclaimed plastic particle waste water

Country Status (1)

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CN (1) CN111233132A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112158966A (en) * 2020-08-15 2021-01-01 苏州云刚智能科技有限公司 High-pressure aeration system and high-pressure aeration method applied to industrial sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112158966A (en) * 2020-08-15 2021-01-01 苏州云刚智能科技有限公司 High-pressure aeration system and high-pressure aeration method applied to industrial sewage treatment
CN112158966B (en) * 2020-08-15 2022-11-11 东营华泰精细化工有限责任公司 High-pressure aeration system and high-pressure aeration method applied to industrial sewage treatment

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