CN110342692B - Sewage treatment device for environmental protection - Google Patents

Sewage treatment device for environmental protection Download PDF

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Publication number
CN110342692B
CN110342692B CN201910769908.1A CN201910769908A CN110342692B CN 110342692 B CN110342692 B CN 110342692B CN 201910769908 A CN201910769908 A CN 201910769908A CN 110342692 B CN110342692 B CN 110342692B
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sewage treatment
chamber
rotating shaft
communicated
box
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CN110342692A (en
Inventor
马健
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Chongqing Chemical Industry Vocational College
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Chongqing Chemical Industry Vocational College
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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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/22—O2
    • 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
    • C02F2303/02—Odour removal or prevention of malodour
    • 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 relates to the field of wastewater or sewage treatment, in particular to a sewage treatment device for environmental protection, which comprises a sewage treatment tank, a baffle plate is arranged in the sewage treatment box, a distance is formed between the baffle plate and the top of the sewage treatment box, the sewage treatment tank is divided into an aeration chamber and a filter chamber by the partition board, the top of the aeration chamber is opened and is communicated with a sewage inlet pipe, the lower side of the sewage treatment tank is provided with a stirring chamber communicated with the filtering chamber, the upper side of the sewage treatment tank is provided with a main air supply tank, a first rotating shaft is rotatably connected in the aeration chamber, one side of the first rotating shaft is connected with a driving piece, a hollow ventilation cavity is arranged in the first rotating shaft, the ventilation cavity is communicated with the main air supply box, a first stirring sheet communicated with the ventilation cavity is coaxially arranged on the first rotating shaft, and the first stirring sheet is further provided with air outlets positioned on different side surfaces of the first stirring sheet. This scheme of adoption is used for sewage treatment, can improve sewage treatment's aeration efficiency.

Description

Sewage treatment device for environmental protection
Technical Field
The invention relates to the field of wastewater or sewage treatment, in particular to a sewage treatment device for environmental protection.
Background
In daily production activities, a large amount of sewage can be generated, the sewage can achieve the effect of recycling after passing through a sewage purification process, but in actual situations, the sewage is often directly discharged into rivers or lakes, so that the aim of recycling water resources can not be achieved, and water pollution is easily caused.
Therefore, the treatment of sewage is needed in modern society, and the utilization rate of water resources is improved. Conventional sewage treatment steps include: the method comprises primary treatment and secondary treatment, wherein the primary treatment is to remove large particles and suspended matters in the sewage by a solid-liquid separation method, the secondary treatment is to degrade and remove microorganisms in the sewage by an aeration tank, a sedimentation tank and a stabilization tank, then to sterilize and disinfect the sewage, finally to collect the sterilized and disinfected water, and to apply the collected water, such as flower watering and cleaning, according to different objects of use.
In the aeration step of sewage treatment, an impeller is usually adopted to stir the water surface, so that the upper layer of the water body rolls, and the contact area of the water body and the atmosphere every time is a new interface. However, in the sewage treatment process, the amount of sewage to be treated is large, and the efficiency of the impeller stirring method is low, so that it takes much time for the aeration process.
Disclosure of Invention
The invention aims to provide a sewage treatment device for environmental protection, which solves the problem of low aeration efficiency in the traditional mode.
In order to achieve the purpose, the invention provides the following technical scheme:
a sewage treatment device for environmental protection comprises a sewage treatment box, a baffle plate is arranged in the sewage treatment box, the partition board separates the sewage treatment tank into an aeration chamber and a filter chamber, the top of the aeration chamber is opened and communicated with a sewage inlet pipe, the lower side of the sewage treatment box is provided with a stirring chamber communicated with the filtering chamber, the upper side of the sewage treatment box is provided with a main air supply box, the bottom of the main air supply box is communicated with an air outlet pipe, a first rotating shaft is rotatably connected in the aeration chamber, one side of the first rotating shaft is connected with a driving piece, a hollow ventilation cavity is arranged in the first rotating shaft, the ventilation cavity is communicated with the main air supply box, a first stirring sheet communicated with the ventilation cavity is coaxially arranged on the first rotating shaft, and the first stirring sheet is further provided with air outlets positioned on different side surfaces of the first stirring sheet.
The principle and the beneficial effects of the invention are as follows:
(1) the gas of through main air feed case combustion gas enters into the chamber of ventilating of first pivot, discharge by the gas vent on the first stirring piece, make the inside packing of water of aeration chamber have gas, gas is in the water, because the reason of density can upwards float, under the effect that first stirring piece mixs, the bubble breaks, make the oxygen in the bubble dissolve in the water, improve the dissolved oxygen content of water, make deironing, remove manganese, the effect of degradation microorganism is better, the efficiency of aeration is higher.
(2) The gas is discharged through the exhaust ports on the two sides of the first stirring sheet to push the first stirring sheet to rotate. The surface of water is stirred under the pivoted condition of first stirring piece, improves the contact surface of water upper strata and air. The aeration efficiency is improved under the combined action of improving the dissolved oxygen content in the water body and driving the water body to roll by the first stirring sheet.
(3) Meanwhile, partial bubbles can not be completely dissolved in the water body and can escape from the water body, so that the bubbles bring out odor or harmful gases such as carbon dioxide and sulfur dioxide in sewage, and the effect of reducing the harmful gases in the water body is achieved.
Compared with the traditional mode, the method has the advantages that the gas is introduced into the water body, so that the gas is broken in the water body, the water in the lower layer of the water body can be fully contacted with the oxygen, and the dissolved oxygen content of the whole water body is improved; the aeration efficiency is improved under the combined action of the gas supplied to the inner part and the stirring of the upper water body driven by the first stirring sheet.
Further, aeration chamber one side is equipped with inferior air feed case, the bottom of aeration chamber is equipped with the air feed chamber with inferior air feed case intercommunication, set up the gas pocket in the air feed chamber, the gas pocket intercommunication has the nozzle towards first stirring piece.
Has the advantages that: further, gas is introduced into the aeration chamber, so that the dissolved oxygen content in the aeration chamber is increased, and the aeration efficiency in the aeration chamber is improved.
Further, the outlet duct is a Y-shaped duct and comprises a main duct, a first branch duct and a second branch duct, the first branch duct is communicated with the first rotating shaft, and the second branch duct is communicated with the secondary air supply tank
Has the advantages that: the gas in the main gas supply box is fully utilized, and the utilization rate of the gas is improved.
Further, inferior air feed incasement rotating blade, the coaxial rigid coupling of rotating blade has the rotation axis that extends to inferior air feed case upside, the coaxial rigid coupling of rotation axis other end has first bevel gear, and the inside of sewage treatment case still is equipped with stirs the blade, it has the second bevel gear that can mesh with first bevel gear to stir the coaxial rigid coupling of blade coaxial coupling has bull stick and the coaxial rigid coupling of bull stick other end.
Has the advantages that: the gas flow through inferior air feed incasement drives rotating vane and rotates, drives the rotation axis and rotates, drives first bevel gear through the rotation axis and rotates, drives second bevel gear through first bevel gear and rotates to drive the bull stick and rotate, stir the water of aeration chamber lower part, improve the water and the region of oxygen contact, improve aeration efficiency.
Further, a dead slot is formed in the first stirring sheet, a fixed rod is connected to the dead slot in a rotating mode, and an impeller is arranged on the fixed rod.
Has the advantages that: at first stirring piece pivoted in-process, the impeller on first stirring piece also can take place to rotate, and on the one hand, the impeller produces the vortex in the water, improves the stirring effect of water, and on the other hand, the impeller also can be broken by the partial bubble in the water, and then improves the oxygen in the bubble and enters into the water, with the water intensive mixing, improves the dissolved oxygen content of water, and then improves the aeration efficiency of water.
Further, the bottom of the filter chamber is communicated with the top of the stirring chamber, and an inclined filter screen is arranged at the communication position.
Has the advantages that: after the water in the aeration chamber is increased, the water overflows the partition plate, and the water is filtered by the filter screen to further filter impurities.
Further, the upside intercommunication of teeter chamber has the disinfection powder apotheca, be equipped with feeding piece in the disinfection powder apotheca, be equipped with the second pivot in the teeter chamber, be equipped with between second pivot and the first pivot and be used for driven belt, it has the second stirring piece still to go up coaxial coupling in the second pivot.
Has the advantages that: the disinfection powder in the disinfection powder storage chamber is discharged into the stirring chamber through the feeding piece, and the second stirring sheet in the stirring chamber stirs the disinfection powder, so that the water body and the disinfection powder are fully mixed, and the disinfection and sterilization effect is improved.
Further, the feeding part comprises a rotating shaft and auger blades, and one side of the disinfectant powder storage chamber is provided with a driving motor for driving the rotating shaft to rotate.
Has the advantages that: the disinfection powder is evenly discharged under the action of the auger blade, and the waste of the disinfection powder is reduced.
Furthermore, the stirring chamber is communicated with a standing box, and a baffle plate for dividing the standing box into a standing cavity and a clear water cavity is fixedly connected in the standing box.
Has the advantages that: the sterilized water bodies are placed in the standing box for layering, and with the increase of the water bodies placed, the upper layer of clear water flows over the baffle plate and enters the clear water chamber, and the clear water is collected through the clear water chamber.
Further, the disinfection powder storage chamber is provided with a disinfection powder box above, the disinfection powder box is communicated with the disinfection powder storage chamber, a control valve is arranged at the communication position, and the disinfection powder storage chamber is provided with a window.
Has the advantages that: the operation workman observes the surplus condition of disinfection powder in the disinfection powder apotheca through the window, and when the disinfection powder in the disinfection powder apotheca was too little, open the control valve, let disinfection powder in the disinfection powder case arrange to in the disinfection powder apotheca to supplement the disinfection powder in the disinfection powder apotheca.
Drawings
FIG. 1 is a longitudinal sectional view of a sewage treatment apparatus for environmental protection according to the present embodiment;
FIG. 2 is a partial isometric view of a wastewater treatment tank;
FIG. 3 is an isometric view of a first stirring blade on a first rotating shaft;
FIG. 4 is an isometric view of the engagement of a first bevel gear and a second bevel gear.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the sewage treatment device comprises a sewage treatment box 1, a partition plate 101, an aeration chamber 102, an air supply cavity 1021, a nozzle 1022, a filter chamber 103, a sewage inlet pipe 104, a first rotating shaft 105, a first stirring blade 106, an empty groove 107, an impeller 108, an exhaust port 109, a main air supply box 2, a stirring chamber 3, a second rotating shaft 301, a second stirring blade 302, a secondary air supply box 4, a rotating blade 401, a rotating shaft 402, a first bevel gear 403, a second bevel gear 404, a rotating rod 405, a stirring blade 406, a Y-shaped pipe 5, a main pipe 501, a first branch pipe 502, a second branch pipe 503, a disinfectant powder storage chamber 6, a belt 7, a feeding piece 8, a rotating shaft 801, an auger blade 802, a driving motor 803, a standing box 9, a standing cavity 901, a baffle 902 and a clean water cavity 903.
The first embodiment is as follows:
a sewage treatment device for environmental protection, which is basically shown in figures 1 and 2, comprises a sewage treatment tank 1, wherein a vertical partition plate 101 is arranged in the sewage treatment tank 1, a gap exists between the top of the partition plate 101 and the inner side wall of the top of the sewage treatment tank 1, the partition plate 101 divides the interior of the sewage treatment tank 1 into a filter chamber 103 and an aeration chamber 102, the filter chamber 103 is positioned at the left side of the partition plate 101, and the aeration chamber 102 is positioned at the right side of the partition plate 101. The top of the aeration chamber 102 is open, and the right side wall of the aeration chamber 102 is communicated with a sewage inlet pipe 104. The downside of sewage treatment case 1 is provided with agitator chamber 3 through fastening bolt and ground fixed connection, and agitator chamber 3 is the L type, including vertical section and horizontal segment, the upper portion of vertical section and the lower part intercommunication of filter chamber 103, and the intercommunication department rigid coupling has the filter screen, and the upper portion of vertical section is the inclined plane of slope, and the low right-hand member height of left end.
Referring to fig. 1 and 3, a horizontally disposed first rotating shaft 105 is rotatably connected to the sewage treatment tank 1, two ends of the first rotating shaft 105 penetrate through the sewage treatment tank 1, and a driving member, in this embodiment, a driving motor, is coaxially connected to a right end of the first rotating shaft 105. The first rotating shaft 105 is rotatably connected to the partition 101 through the middle of the partition 101. A hollow ventilation cavity is arranged inside the first rotating shaft 105, a part of the first rotating shaft 105, which is located inside the aeration chamber 102, is coaxially and fixedly connected with a first stirring sheet 106 communicated with the ventilation cavity, and two exhaust ports 109 communicated with the aeration chamber 102 are formed in blades of the first stirring sheet 106, and in this embodiment, the two exhaust ports 109 are symmetrically arranged about the axis of the first rotating shaft 105. The first stirring blade 106 is further provided with two empty slots 107, the two empty slots 107 are symmetrically arranged about the axis of the first rotating shaft 105, and the distance from the empty slot 107 to the axis of the first rotating shaft 105 is greater than the distance from the exhaust port 109 to the axis of the first rotating shaft 105. The hollow groove 107 is rotatably connected with a fixed rod, the fixed rod is coaxially and fixedly connected with an impeller 108, the diameter of the impeller is 145mm, the axial diameter is 28mm, and the model is Rifu-Y132-468P.
The bottom of the aeration chamber 102 is further provided with an air supply cavity 1021, and the upper surface of the air supply cavity 1021 is provided with a plurality of air holes which are arranged in a linear array and communicated with a nozzle 1022 facing the first rotating shaft 105.
The sewage treatment tank 1 is provided with a main air supply tank 2 above, the bottom of the main air supply tank 2 is communicated with an air outlet pipe, the air outlet pipe is an inverted Y-shaped pipe 5 and comprises a main pipe 501, a first branch pipe 502 and a second branch pipe 503, the right side of the sewage treatment tank 1 is provided with a secondary air supply tank 4 communicated with the second branch pipe 503, the first branch pipe 502 is communicated with an air vent cavity in the first rotating shaft 105, and a rotary joint is arranged at the communication position of the first rotating shaft 105 and the first branch pipe 502.
Referring to fig. 1 and 4, a rotary blade 401 is horizontally disposed in the secondary air supply tank 4, the rotary blade 401 faces an air inlet of the secondary air supply tank 4, the rotary blade 401 is coaxially and fixedly connected with a rotary shaft 402, the rotary shaft 402 penetrates through the upper portion of the secondary air supply tank 4, the other end of the rotary shaft 402 is coaxially and fixedly connected with a first bevel gear 403, the lower portion of the sewage treatment tank 1 is further provided with a stirring blade 406, the stirring blade 406 is coaxially and fixedly connected with a horizontal rotary rod 405, the rotary rod 405 is rotatably connected with the right wall of the sewage treatment tank 1, and the other end of the rotary rod 405 is coaxially and fixedly connected with a second bevel gear 404 engaged with the first bevel gear 403. An air pipe is communicated between the air outlet of the secondary air supply tank 4 and the air supply cavity 1021, and an air pump is arranged on the air pipe.
The stirring chamber 3 internal rotation is connected with second pivot 301, and the left end of second pivot 301 runs through stirring chamber 3, and the equal coaxial rigid coupling in left end of first pivot 105 and the left end of second pivot 301 has the band pulley, and the band pulley passes through belt 7 to be connected, and the coaxial fixedly connected with second stirring piece 302 of the part that second pivot 301 is located stirring chamber 3 inside.
The top of teeter chamber 3 is provided with disinfection powder apotheca 6, and the intercommunication has vertical row's material pipe between disinfection powder apotheca 6 and the teeter chamber 3, arranges the material pipe and is located 6 bottom surfaces left sides of disinfection powder apotheca.
The stirring chamber 3 is internally provided with a feeding piece 8, the right side of the stirring chamber 3 is provided with a driving motor 803, the feeding piece 8 comprises a rotating shaft 801 horizontally arranged and an auger blade 802 integrally formed with the rotating shaft 801, the rotating shaft 801 is rotatably connected with the sterilizing powder feeding chamber, and the right end of the rotating shaft 801 penetrates through the sterilizing powder feeding chamber and is coaxially connected with an output shaft of the driving motor 803.
The right side of teeter chamber 3 is equipped with places subaerial and open-top's case 9 that stews, and the liquid outlet has been seted up to 3 right side walls of teeter chamber, and the liquid outlet intercommunication has the drain pipe with the case 9 left side wall intercommunication that stews, and the rigid coupling has the baffle 902 that can separate the case 9 that stews for chamber 901 and clear water chamber 903 in stews, the vertical setting of baffle 902, and baffle 902 highly be less than the height of the case 9 that stews.
The specific implementation process is as follows:
sewage is discharged into the aeration chamber 102 of the sewage treatment tank 1 through the sewage inlet pipe 104, then the main air supply tank 2 and the driving motor are started, and oxygen discharged from the main air supply tank 2 is discharged into the ventilation cavity of the first rotating shaft 105 and the secondary air supply tank 4 through the first branch pipe 502 and the second branch pipe 503 on the Y-shaped pipe 5. The gas that gets into in the ventilation cavity enters into the inside cavity of first stirring piece 106, discharge from gas vent 109 on the first stirring piece 106, enter into aeration chamber 102, produce the bubble in aeration chamber 102, the bubble can upwards float because of the reason of density, at gaseous upward movement's in-process, oxygen dissolves into the aquatic, improve the dissolved oxygen content of water, reach deironing, remove manganese, promote the purpose that aerobic microorganisms degrade organic matter, and impeller 108 also can stir the water on the first stirring piece 106, further let oxygen in the broken gas fully fuse with the water.
The gas that gets into in inferior air feed case 4 blows rotating vane 401, lets rotating vane 401 rotate, and rotation through rotating vane 401 drives rotation axis 402 and rotates to drive second bevel gear 404 through first bevel gear 403 and rotate, second bevel gear 404 rotates and drives bull stick 405 and rotate, makes bull stick 405 drive stirring vane rotate, thereby lets stirring vane stir the water of aeration chamber 102 lower part, lets the water of aeration chamber 102 lower part also produce and rolls.
After the water in the aeration chamber 102 is increased and overflows the partition plate 101, the water enters the filter chamber 103, the water is filtered by the filter screen in the filter chamber 103, and the filtered water enters the stirring chamber 3.
First pivot 105 rotates and also drives second pivot 301 through belt 7 simultaneously and rotates, starts driving motor 803 simultaneously for driving motor 803 works, drives feeding piece 8 and rotates, and the disinfection powder of placing in the disinfection powder apotheca 6 passes through the discharge tube and discharges into teeter chamber 3, under the effect of second stirring piece 302, makes the water and the disinfection powder intensive mixing stirring in the teeter chamber 3, improves the sterile effect of disinfecting that disinfects.
And then the water body after full sterilization is discharged into a standing cavity 901 of the standing box 9 through a liquid outlet pipe, standing and layering are carried out in the standing cavity 901, and the upper layer of clear water is stored in a clear water cavity 903 after flowing over a baffle 902.
Example two:
the second embodiment is different from the first embodiment in that: the disinfection powder box is arranged above the disinfection powder storage chamber 6, the disinfection powder box is communicated with the disinfection powder storage chamber 6 through a material pipe of the disinfection powder storage chamber 6, and the material pipe of the disinfection powder storage chamber 6 is provided with a control valve. A transparent window is fixedly connected to the side wall of the disinfectant powder storage chamber 6.
The specific implementation process is as follows:
when the operator observes that the disinfectant powder in the disinfectant powder storage chamber 6 is less through the window, the control valve is opened, and the disinfectant powder stored in the disinfectant powder box is transferred into the disinfectant powder storage chamber 6 for supplement.

Claims (6)

1. A sewage treatment plant for environmental protection, its characterized in that: the sewage treatment device comprises a sewage treatment box, wherein a partition plate is arranged in the sewage treatment box, a distance is reserved between the partition plate and the top of the sewage treatment box, the sewage treatment box is divided into an aeration chamber and a filtering chamber by the partition plate, the top of the aeration chamber is opened and communicated with a sewage inlet pipe, a stirring chamber communicated with the filtering chamber is arranged at the lower side of the sewage treatment box, a main air supply box is arranged at the upper side of the sewage treatment box, the bottom of the main air supply box is communicated with an air outlet pipe, a first rotating shaft is rotatably connected in the aeration chamber, a driving piece is connected to one side of the first rotating shaft, a hollow ventilation cavity is arranged in the first rotating shaft and communicated with the main air supply box, a first stirring sheet communicated with the ventilation cavity is coaxially arranged on the first rotating shaft, and exhaust ports positioned on different side surfaces of the first stirring sheet are also arranged on the first stirring sheet; the air outlet pipe is a Y-shaped pipe and comprises a main pipe, a first branch pipe and a second branch pipe, the first branch pipe is communicated with the first rotating shaft, and the second branch pipe is communicated with the secondary air supply tank; the sewage treatment device comprises a secondary air supply box, a sewage treatment box and a secondary air supply box, wherein a rotating blade is arranged in the secondary air supply box, the rotating blade is coaxially and fixedly connected with a rotating shaft extending to the upper side of the secondary air supply box, the other end of the rotating shaft is coaxially and fixedly connected with a first bevel gear, a stirring blade is also arranged in the sewage treatment box, the stirring blade is coaxially connected with a rotating rod, and the other end of the rotating rod is coaxially and fixedly connected with a second bevel gear capable of being meshed with the first bevel gear; the first stirring sheet is further provided with a hollow groove, a fixing rod is connected to the hollow groove in a rotating mode, and an impeller is arranged on the fixing rod.
2. The sewage treatment apparatus for environmental protection according to claim 1, wherein: aeration chamber one side is equipped with inferior air feed case, the bottom of aeration chamber is equipped with the air feed chamber with inferior air feed case intercommunication, set up the gas pocket in the air feed chamber, the gas pocket intercommunication has the nozzle towards first stirring piece.
3. The sewage treatment apparatus for environmental protection according to claim 1, wherein: the bottom of the filtering chamber is communicated with the top of the stirring chamber, and an inclined filtering net is arranged at the communication position.
4. The sewage treatment apparatus for environmental protection according to claim 3, wherein: the upside intercommunication of teeter chamber has the disinfection powder apotheca, be equipped with feeding piece in the disinfection powder apotheca, be equipped with the second pivot in the teeter chamber, be equipped with between second pivot and the first pivot and be used for driven belt, it has second stirring piece still to go back coaxial coupling in the second pivot.
5. The sewage treatment apparatus for environmental protection according to claim 4, wherein: the feeding part comprises a rotating shaft and auger blades, and one side of the disinfectant powder storage chamber is provided with a driving motor for driving the rotating shaft to rotate.
6. The sewage treatment apparatus for environmental protection according to claim 5, wherein: the stirring chamber is communicated with a standing box, and a baffle plate for dividing the standing box into a standing cavity and a clear water cavity is fixedly connected in the standing box.
CN201910769908.1A 2019-08-20 2019-08-20 Sewage treatment device for environmental protection Active CN110342692B (en)

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CN114853234A (en) * 2022-04-20 2022-08-05 宜昌江森船务有限公司 Marine domestic sewage treatment system

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CN204474425U (en) * 2015-03-05 2015-07-15 四川汇邦环保科技有限公司 A kind of purging aerating apparatus for sewage disposal
CN106007161A (en) * 2016-07-27 2016-10-12 金华知产婺源信息技术有限公司 Treatment system of meat processing waste water
CN207347321U (en) * 2017-10-25 2018-05-11 海南一然环保科技有限公司 A kind of sanitary sewage integrated purifying processing unit
CN110124562A (en) * 2019-05-29 2019-08-16 佛山市奔达普菲自动化有限公司 A kind of more stirring wheel blenders

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