CN110228896A - Equipment for processing industrial sewage - Google Patents
Equipment for processing industrial sewage Download PDFInfo
- Publication number
- CN110228896A CN110228896A CN201810551114.3A CN201810551114A CN110228896A CN 110228896 A CN110228896 A CN 110228896A CN 201810551114 A CN201810551114 A CN 201810551114A CN 110228896 A CN110228896 A CN 110228896A
- Authority
- CN
- China
- Prior art keywords
- slag bath
- equipment
- industrial sewage
- processing industrial
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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 discloses a kind of equipment for processing industrial sewage, including removing slag bath, aeration tank, de-tasting pond and clarifier-tank, the slag bath side of removing is connected to aeration tank, the aeration tank side connection de-tastes pond, it is described to de-taste pond side connection clarifier-tank, described that filter mechanism is equipped with except slag bath is interior, described remove is equipped with jacking system above slag bath, the elevating mechanism connection filter mechanism;Pass through the setting of elevating mechanism and filter mechanism, sewage can be filtered in except slag bath, sewage is filtered more quick, efficient, and facilitate the collection of waste residue in sewage, elevating mechanism can carry out elevating control to filter device simultaneously, so that filter device is after collecting full waste residue, emersion removes slag bath, in order to clear up waste residue.
Description
Technical field
The invention belongs to technical field of sewage, more particularly, to a kind of equipment for processing industrial sewage.
Background technique
With social progress, rapid economic development, while industrial progress, industrial and mining enterprises' wastewater problem is annoying always
The development of enterprise, existing sewage disposal device can handle a large amount of trade effluent, still, during handling trade effluent,
A large amount of waste residue can be generated, is difficult from a large amount of time and efforts will be wasted except cleaning up in slag bath.
Summary of the invention
The present invention for overcome the deficiencies in the prior art, provides a kind of equipment for processing industrial sewage of easy cleaning waste residue.
To achieve the goals above, the invention adopts the following technical scheme: a kind of equipment for processing industrial sewage, including slagging-off
Pond, aeration tank de-taste pond and clarifier-tank, and described except slag bath side is connected to aeration tank, the aeration tank side connection de-tastes pond, institute
It states and de-tastes pond side connection clarifier-tank, described except filter mechanism is equipped in slag bath, described remove is equipped with jacking system, institute above slag bath
State elevating mechanism connection filter mechanism;By the setting of elevating mechanism and filter mechanism, sewage can be carried out in except slag bath
Filtering filters sewage more quick, efficient, and facilitates the collection of waste residue in sewage, goes up and down simultaneously
Mechanism can carry out elevating control to filter device, so that filter device is after collecting full waste residue, emersion removes slag bath, in order to right
Waste residue is cleared up.
Further, the filter mechanism includes filter vat, steady arm and dodge gate, and described steady arm one end is flexibly connected
In on filter vat bottom surface, the dodge gate is set to filter vat inner wall opening;Using this structure setting, filter vat is changed
It makes, filter vat can be filtered sewage, and waste residue can then be discharged from dodge gate, improve the efficiency of deslagging.
Further, the elevating mechanism includes two identical lifting devices, described except slag bath left upper portion is equipped with three
Corner bracket, the tripod are equipped with the first lifting device, are equipped with the second lifting device, described two liftings at the top of the aeration tank
It is connected between device by fixed plate;Control for being gone up and down to fixed plate, thus the lifting of the second rotating electric machine of control,
Then the lifting of filter vat is controlled, in order to clear up the waste residue accumulated in filter vat, blocking filter vat is avoided, leads to nothing
Method gets rid of place's sewage.
Further, the steady arm bottom end is equipped with ball, and the logical upper base surface of filtering is equipped with circular groove, described
Circular groove is set for the eccentric, and the ball is embedded in circular groove;Ball can be rotated in circular groove, and eccentric be set
It sets, filter vat is shaken while rotation, the waste residue on barrel is rocked, is avoided to filter vat barrel
It is blocked.
The lifting device includes the first rotating electric machine, the first helical gear, the second helical gear and the threaded rod being vertically arranged,
The rotating electric machine connects the first helical gear, and second helical gear is sheathed on threaded rod, first helical gear and second
Helical gear is meshed;Pass through the helical gear engaged transmission of the first helical gear and second, rotation of first helical gear by motor, band
Dynamic second helical gear rotation, so that threaded rod be driven to be rotated.
Further, the top of the threaded rod is equipped with the first limited block, and the bottom of the threaded rod is equipped with the second limit
Block;By the setting of upper and lower limited block, the lifting of lifting nut is limited, avoid lifting nut during lifting from
It is split away off on threaded rod, destroys the operation of single unit system.
Further, lifting nut is arranged on the threaded rod, the lifting nut is set to the first limited block and second
Between limited block;Lifting nut is gone up and down with the rotation of threaded rod, the lifting of lifting nut is limited in
Between lower two pieces of limited blocks, lifting nut is avoided to split away off from threaded rod during lifting.
Further, described to be set except slag bath side wall offers water inlet one end described in water inlet corresponding with filter vat opening
There is hose, offers infusion port at the top of the water inlet other end;By the setting of hose, hose can be placed directly in filter vat
On, sewage is conveyed, the lifting without interfering filter vat, the feasibility of realization device.
Further, the fixed plate two sides connect lifting nut, and the fixed plate lower surface is installed with the second electric rotating
Machine, second rotating electric machine connect steady arm;Using such structure setting, can be driven by the lifting of lifting nut
The lifting of fixed plate so that the second steady arm is in the rotation, while being gone up and down.
The invention has the following advantages that this equipment for processing industrial sewage effectively can be filtered and be removed to trade effluent
Taste, moreover it is possible to the oxygenolysis of dirty Organic substance in water be made under conditions of having sufficient dissolved oxygen guaranteeing to expose microorganism in pond
With in addition, except the filter vat bucket wall in the filter mechanism in slag bath is latticed, motor drive support rod rotation, support rod band
Dynamic filter vat carries out eccentric rotary, can directly be filtered to sewage, waste residue is directly collected in bucket, and elevating mechanism can
Filter vat rise is come, in order to clear up the waste residue in filter vat.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic enlarged-scale view at A of the invention.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in Figs. 1-2, a kind of equipment for processing industrial sewage, including remove slag bath 1, aeration tank 2, de-taste pond 3 and clarifier-tank
4, described except 1 side of slag bath is connected to aeration tank 2,2 side of the aeration tank connection de-tastes pond 3, described to de-taste the connection of 3 side of pond only
Change pond 4, described except filter mechanism is equipped in slag bath 1, described remove is equipped with jacking system above slag bath 1, the elevating mechanism connection
Filter mechanism, filter device are filtered sewage, are collected waste material, and elevating mechanism can carry out lifting control to filter device
System, so that filter device is after collecting full waste residue, emersion removes slag bath, to clear up waste residue.
The filter mechanism includes filter vat 5, steady arm 6 and dodge gate 551, and described 6 one end of steady arm is movably connected on
On 5 bottom surface of filter vat, the second rotating electric machine 63 is connected at the top of the steady arm 6,6 bottom end of steady arm is equipped with ball 61, institute
It states logical 5 upper base surfaces of filtering and is equipped with circular groove 62, the circular groove 62 is in eccentric setting, and the ball 61 is embedded in circle
Groove 62, steady arm 6 are rotated by the second rotating electric machine 63, and ball 61 can be rotated in circular groove 62, are supported
Bar 6 can drive filter vat 5 to be rotated, and eccentric setting, and filter vat 5 is shaken while rotation
It is dynamic, the waste residue in bucket is rocked, avoids blocking 5 barrel of filter vat, the dodge gate 551 is set in filter vat 5
At wall opening, 5 barrels of walls of the filter vat are set as fenestral fabric, described in order to handle sewage for throwing away sewage
It is open corresponding water inlet 11 except 1 side wall of slag bath is offered with filter vat 5, described 11 one end of water inlet is equipped with hose 12, uses
The setting of hose 12 can convey sewage, and hose 12 can be placed directly on filter vat 5, without interfering filter vat 5
Lifting, the hose 12 can be made of silica gel, offer infusion port 111 at the top of 11 other end of water inlet, be used for
Medical fluid is conveyed, while medical fluid and sewage can be mixed, mixed efficiency is accelerated.
The elevating mechanism includes two identical lifting devices, described except 1 left upper portion of slag bath is equipped with tripod 13, institute
It states tripod 13 and is equipped with the first lifting device, be equipped with the second lifting device, described two lifting devices at the top of the aeration tank 2
It is symmetrical arranged, is connected between described two lifting devices by fixed plate 654,654 two sides of fixed plate connect lifting nut
655, the control for being gone up and down to fixed plate 654,654 lower surface of fixed plate is installed with the second rotating electric machine 63, uses
In the lifting for controlling the second rotating electric machine 63, to control the lifting of filter vat 5.
The lifting device includes the first rotating electric machine 64, the first helical gear 641, the second helical gear 642 and is vertically arranged
Threaded rod 65, first rotating electric machine 64 connects the first helical gear 641, and second helical gear 642 is sheathed on threaded rod
On 65, first helical gear 641 is meshed with the second helical gear 642, and the first helical gear 642 passes through the first rotating electric machine 64
Rotation drives the rotation of the second helical gear 642, so that the rotation of threaded rod 65 is driven, in order to drive the liter of lifting nut 655
Drop can then drive the filter mechanism of 654 lower section of fixed plate to be gone up and down, and the top of the threaded rod 65 is equipped with the first limit
Block 651, the bottom of the threaded rod 65 are equipped with the second limited block 652, are arranged with lifting nut 655, institute on the threaded rod 65
It states lifting nut 655 to be set between the first limited block 651 and the second limited block 652, the lifting for limiting lifting nut 655 is empty
Between, it prevents lifting nut 655 from detaching from threaded rod 65, causes the damage of device.
Aeration tube 21 is equipped in the aeration tank 2,21 one end of the aeration tube is equipped with air inlet 22, and the other end is equipped with outlet
Mouth 23,21 inner cavity of aeration tube are respectively equipped with the first cylindrical cavity 24 and the second cylindrical cavity 25, and first cylindrical body is empty
Chamber 24 is set vertically is set to the first cylindrical cavity 24 and gas outlet with 22 side of air inlet, 25 level of the second cylindrical cavity
Between 23,24 inner wall of the first cylindrical cavity is also coated with porous material 241, and described de-taste is equipped with more vertically in pond 3
It is staggered and is equipped with screen pipe 41, the filtering in the carbon-point 31 of the upper surface and lower end surface that de-taste pond 3, the clarifier-tank 4
It is equipped with ceramic matrix 411 in pipe 41, ceramic tube body 412, the ceramics tube body 412 are detachably connected in the ceramic matrix 411
Small column big in both ends open, intermediate, the surface of the ceramic matrix 412 are equipped with ceramic membrane 413.
By above-mentioned setting, sewage can be conveyed by water inlet 11 into filter vat 5, medical fluid by hose 12 enter into
The mouth of a river 11, is mixed with sewage, to convey into carrying out in filter vat 5 rocking agitation, water is got rid of from filter vat 5 by grid
Out, and in filter vat 5 a large amount of waste residue is accumulated, jacking system can rise filter vat 5, so as to right from dodge gate 52
Waste residue is cleared up.Then sewage enters aeration tank 2, and aeration tank 2 can play oxygenolysis to dirty Organic substance in water, with
Entrance de-taste in pond 3, de-taste and be equipped with more carbon-points 31 in pond 3, the contact area of sewage Yu carbon-point 31 can be increased, raising is different
Taste removal efficiency;Last sewage, which flows into, carries out last filtering in clarifier-tank 4, be then discharged from discharge outlet 42.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of equipment for processing industrial sewage, including remove slag bath (1), aeration tank (2), de-taste pond (3) and clarifier-tank (4), it is described
Except slag bath (1) side is connected to aeration tank (2), aeration tank (2) the side connection is de-tasted pond (3), described to de-taste pond (3) side company
Logical clarifier-tank (4);It is characterized by: described except filter mechanism is equipped in slag bath (1), described remove is equipped with lifting above slag bath (1)
System, the elevating mechanism connect filter mechanism.
2. equipment for processing industrial sewage according to claim 1, it is characterised in that: the filter mechanism includes filter vat
(5), steady arm (6) and dodge gate (551), described steady arm (6) one end are movably connected on filter vat (5) bottom surface, the work
Dynamic door (551) are set to filter vat (5) inner wall opening, and filter vat (5) the bucket wall is set as fenestral fabric.
3. equipment for processing industrial sewage according to claim 1, it is characterised in that: the elevating mechanism includes two identical
Lifting device, it is described except slag bath (1) left upper portion be equipped with tripod (13), the tripod (13) be equipped with first lifting dress
It sets, the second lifting device is equipped at the top of the aeration tank (2), is connected between described two lifting devices by fixed plate (654).
4. equipment for processing industrial sewage according to claim 2, it is characterised in that: steady arm (6) bottom end is equipped with circle
Pearl (61), described to filter logical (5) upper base surface equipped with circular groove (62), the circular groove (62) is set for the eccentric, institute
State ball (61) insertion circular groove (62).
5. equipment for processing industrial sewage according to claim 3, it is characterised in that: the lifting device includes the first rotation
Motor (64), the first helical gear (641), the second helical gear (642) and the threaded rod (65) being vertically arranged, the rotating electric machine
(64) the first helical gear (641) are connected, second helical gear (642) is sheathed on threaded rod (65), first helical gear
(641) it is meshed with the second helical gear (642).
6. equipment for processing industrial sewage according to claim 5, it is characterised in that: the top of the threaded rod (65) is equipped with
The bottom of first limited block (651), the threaded rod (65) is equipped with the second limited block (652).
7. equipment for processing industrial sewage according to claim 5, it is characterised in that: liter is arranged on the threaded rod (65)
It drops nut (655), the lifting nut (655) is set between the first limited block (651) and the second limited block (652).
8. equipment for processing industrial sewage according to claim 1, it is characterised in that: it is described except slag bath (1) side wall offers
Water inlet (11) corresponding with filter vat (5) opening, described water inlet (11) one end are equipped with hose (12), the water inlet (11)
Infusion port (111) are offered at the top of the other end.
9. equipment for processing industrial sewage according to claim 3, it is characterised in that: fixed plate (654) the two sides connection
Lifting nut (655), fixed plate (654) lower surface are installed with the second rotating electric machine (63), second rotating electric machine
(63) steady arm (6) are connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810551114.3A CN110228896A (en) | 2018-05-31 | 2018-05-31 | Equipment for processing industrial sewage |
Applications Claiming Priority (1)
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CN201810551114.3A CN110228896A (en) | 2018-05-31 | 2018-05-31 | Equipment for processing industrial sewage |
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CN110228896A true CN110228896A (en) | 2019-09-13 |
Family
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CN201810551114.3A Pending CN110228896A (en) | 2018-05-31 | 2018-05-31 | Equipment for processing industrial sewage |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113697977A (en) * | 2021-08-14 | 2021-11-26 | 南京南化建设有限公司 | Effluent monitoring pool for comprehensive treatment of chlorobenzene wastewater |
CN114735848A (en) * | 2022-04-01 | 2022-07-12 | 安徽省恒金矿业有限公司 | Comprehensive utilization device for mine wastewater |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2048442C1 (en) * | 1992-03-09 | 1995-11-20 | Ленинградский филиал Совместного советско-американо-польского предприятия "Анкор" | Method for treatment of oil and slime-containing sewage water and plant for its realization |
CN206081845U (en) * | 2016-09-27 | 2017-04-12 | 无锡大功机械制造有限公司 | Filter plate over -and -under type sewage vibration filter device |
CN106977058A (en) * | 2017-05-18 | 2017-07-25 | 马鞍山纽泽科技服务有限公司 | A kind of industrial sewage purification processing unit |
CN107117673A (en) * | 2017-07-06 | 2017-09-01 | 谢福磊 | A kind of processing equipment of trade effluent |
CN206705925U (en) * | 2017-05-18 | 2017-12-05 | 马鞍山纽泽科技服务有限公司 | A kind of industrial sewage purification processing unit |
CN206881271U (en) * | 2017-06-09 | 2018-01-16 | 嵊州市天帅围巾领带厂 | A kind of wastewater filtering device with cleaning function |
CN107616916A (en) * | 2017-09-27 | 2018-01-23 | 广州林腾生物科技有限公司 | It is a kind of to be easy to what is discharged to decoct medicinal herbs device |
CN207130868U (en) * | 2017-08-31 | 2018-03-23 | 江苏远瀚建筑设计有限公司 | Novel grille well |
-
2018
- 2018-05-31 CN CN201810551114.3A patent/CN110228896A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2048442C1 (en) * | 1992-03-09 | 1995-11-20 | Ленинградский филиал Совместного советско-американо-польского предприятия "Анкор" | Method for treatment of oil and slime-containing sewage water and plant for its realization |
CN206081845U (en) * | 2016-09-27 | 2017-04-12 | 无锡大功机械制造有限公司 | Filter plate over -and -under type sewage vibration filter device |
CN106977058A (en) * | 2017-05-18 | 2017-07-25 | 马鞍山纽泽科技服务有限公司 | A kind of industrial sewage purification processing unit |
CN206705925U (en) * | 2017-05-18 | 2017-12-05 | 马鞍山纽泽科技服务有限公司 | A kind of industrial sewage purification processing unit |
CN206881271U (en) * | 2017-06-09 | 2018-01-16 | 嵊州市天帅围巾领带厂 | A kind of wastewater filtering device with cleaning function |
CN107117673A (en) * | 2017-07-06 | 2017-09-01 | 谢福磊 | A kind of processing equipment of trade effluent |
CN207130868U (en) * | 2017-08-31 | 2018-03-23 | 江苏远瀚建筑设计有限公司 | Novel grille well |
CN107616916A (en) * | 2017-09-27 | 2018-01-23 | 广州林腾生物科技有限公司 | It is a kind of to be easy to what is discharged to decoct medicinal herbs device |
Non-Patent Citations (2)
Title |
---|
阮竞兰等: "《粮食机械原理及应用技术》", 31 January 2006, 中国轻工业出版社 * |
龙振华等编: "《施工技术》", 28 February 2015, 华中科技大学出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113697977A (en) * | 2021-08-14 | 2021-11-26 | 南京南化建设有限公司 | Effluent monitoring pool for comprehensive treatment of chlorobenzene wastewater |
CN114735848A (en) * | 2022-04-01 | 2022-07-12 | 安徽省恒金矿业有限公司 | Comprehensive utilization device for mine wastewater |
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Application publication date: 20190913 |
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