CN107840448B - Film hanging device and sewage treatment equipment - Google Patents
Film hanging device and sewage treatment equipment Download PDFInfo
- Publication number
- CN107840448B CN107840448B CN201711256258.8A CN201711256258A CN107840448B CN 107840448 B CN107840448 B CN 107840448B CN 201711256258 A CN201711256258 A CN 201711256258A CN 107840448 B CN107840448 B CN 107840448B
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- film
- hanging
- sheet
- support frame
- biological contact
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- 239000010865 sewage Substances 0.000 title claims abstract description 44
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 82
- 230000003647 oxidation Effects 0.000 claims abstract description 79
- 239000000945 filler Substances 0.000 claims description 29
- 238000012856 packing Methods 0.000 claims description 21
- 230000033001 locomotion Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 4
- 241001148470 aerobic bacillus Species 0.000 abstract description 5
- 238000012258 culturing Methods 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000012010 growth Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000533950 Leucojum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009603 aerobic growth Effects 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
- C02F3/10—Packings; Fillings; Grids
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a film hanging device and sewage treatment equipment, wherein the film hanging device comprises a support frame, the support frame is used for hanging a film hanging medium (5), the support frame is arranged in a biological contact oxidation pond (11) and can move up and down relative to the biological contact oxidation pond (11) so as to drive the film hanging medium (5) to leave or sink into the biological contact oxidation pond (11). The invention is provided with the support frame, and the support frame can move up and down relative to the biological contact oxidation pond, so that when a part of a hanging film in the oxidation pond is damaged, the support frame can be lifted upwards, and a hanging film medium hung on the support frame is brought out of the pond to partially replace the damaged hanging film, so that sewage in the pond is not required to be discharged, the biological contact oxidation pond is not required to stop running, the problem of sewage treatment efficiency reduction caused by the problem is solved, and the cost for culturing aerobic bacteria again because the biological contact oxidation pond stops running is saved.
Description
Technical Field
The invention relates to the technical field of sewage treatment in tobacco industry, in particular to a film hanging device and sewage treatment equipment.
Background
In the sewage treatment of the tobacco industry nowadays, the film forming device is widely applied to a biological contact oxidation pond in the sewage treatment process. The working principle is approximately as follows: aeration is carried out on the biological contact oxidation pond through a blower, a stainless steel frame is fixedly arranged in the oxidation pond, a hanging film is arranged on the stainless steel frame at intervals, so that aerobic microorganisms are gathered on a hanging film medium, and under the condition that free oxygen (molecular oxygen) exists, the aerobic microorganisms take the molecular oxygen as a final electron acceptor to carry out aerobic respiration and growth propagation so as to digest and degrade organic matters or inorganic matters in sewage, thereby achieving the purpose of purifying water. However, such a mode of operation has at least the following disadvantages:
1. because the stainless steel frame is fixed in the oxidation tank, after the oxidation tank runs for a period of time, sewage in the aerobic tank is black gray, the growth condition of microorganisms in the hanging film is difficult to observe in daily work, and the abnormal condition cannot be treated in time;
2. when the hanging film in the oxidation pond is partially damaged, the hanging film is fixed in the pond, so that the hanging film can be replaced and maintained only by discharging the sewage in the whole oxidation pond, the labor cost and the subsequent cost for culturing aerobic bacteria are greatly increased, and the sewage is replaced and maintained from the time of discharging the sewage in the oxidation pond, and then the sewage is discharged into the oxidation pond again, so that the sewage station oxidation pond is required to be in a stop operation state all the time, and the sewage treatment efficiency of the oxidation pond is reduced;
3. in the aerobic tank, the hanging films in each row are close to each other, and when only the hanging film in the middle of the oxidation tank needs to be replaced, the replacement difficulty is high, and the independent replacement of the hanging film in the middle position cannot be realized;
4. the monolayer snowflake plastic sheet is adopted for film forming, the specific surface area of the filler is small, and the microorganism adhesion growth quantity per unit area is small;
5. the maintenance and replacement of the hanging membrane in the aerobic tank belongs to the operation of the lower tank, and has certain potential safety hazard.
It should be noted that the information disclosed in the background section of the present invention is only for increasing the understanding of the general background of the present invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a film hanging device and sewage treatment equipment, which are used for solving the problem of low efficiency caused by the fact that sewage in an oxidation tank is required to be discharged when a film is replaced, so that the oxidation tank is in a stop operation state in the prior art.
In order to achieve the above purpose, the invention provides a film hanging device, which comprises a support frame, wherein the support frame is used for hanging a film hanging medium, and the support frame is arranged in a biological contact oxidation tank and can move up and down relative to the biological contact oxidation tank so as to drive the film hanging medium to leave or sink into the biological contact oxidation tank.
Further, the film hanging device also comprises a driving mechanism, and the driving mechanism is used for driving the supporting frame to move up and down.
Further, the driving mechanism comprises a motor, a gear and a rack, wherein the motor is used for driving the gear to rotate, and the gear is meshed with the rack so as to drive the support frame to move through the movement of the gear and the rack.
Further, the motor and the gear are arranged on the outer side of the top of the biological contact oxidation pond, and the rack is arranged on the support frame to drive the rack to move through the gear, so as to drive the support frame to move.
Further, the film hanging device also comprises a sliding fit structure, and the sliding fit structure is arranged between the tank wall of the biological contact oxidation tank and the support frame so as to be matched with the movement of the support frame.
Further, the sliding fit structure comprises a sliding rail arranged on the wall of the biological contact oxidation pond and a pulley arranged on the supporting frame, and the pulley is embedded into the sliding rail.
Further, the support frame comprises at least two frame bodies and a plurality of hanging rods, and the two adjacent frame bodies are connected through the hanging rods so as to be connected with a film hanging medium through the frame bodies or the hanging rods.
Further, the frame body is vertically arranged, the hanging rods are horizontally arranged, a connecting piece is arranged between two hanging rods which are located at different heights of the frame body, and the film hanging medium is hung on the connecting piece.
Further, the connector comprises a nylon rope.
Further, the hanging rod comprises a first hanging rod arranged at the top end of the frame body and a second hanging rod arranged at the bottom end of the frame body, and the connecting piece is connected between the first hanging rod and the second hanging rod.
Further, at least two frames are connected in series in the horizontal direction by the same hanger.
Further, the film hanging device also comprises a packing component, the packing component is arranged on the supporting frame, and the film hanging medium is hung on the packing component.
Further, a connecting piece is arranged on the supporting frame, the packing assembly is provided with a central hole, and the connecting piece penetrates through the central hole of the packing assembly so as to realize series connection of a plurality of packing assemblies.
Further, the packing assembly comprises a first sheet and a second sheet, the first sheet is connected with the second sheet, a preset distance is reserved between the first sheet and the second sheet, and the film-forming medium is hung between the first sheet and the second sheet.
Further, the first sheet and the second sheet are circular in shape.
Further, the first sheet and the second sheet are arranged one above the other.
Further, the first sheet and the second sheet are both disposed horizontally.
Further, a first connecting column is arranged on the first sheet, a second connecting column is arranged on the second sheet, the second connecting column is of a hollow structure, and the first connecting column can be inserted into the second connecting column so as to realize connection of the first sheet and the second sheet, and a preset distance is reserved between the first sheet and the second sheet.
Further, the film hanging medium is hung on the second connecting column.
Further, the first connecting columns and the second connecting columns comprise six first connecting columns which are uniformly arranged on the first sheet, the second connecting columns are correspondingly arranged with the first connecting columns, and each second connecting column is connected with two film hanging media in a hanging mode.
In order to achieve the above purpose, the invention also provides sewage treatment equipment, which comprises the film hanging device.
Further, the sewage treatment equipment further comprises a biological contact oxidation pond, the biological contact oxidation pond is divided into at least two areas, two adjacent areas are separated through a passageway, and film hanging devices arranged in each area are mutually independent.
According to the technical scheme, the supporting frame is arranged in the embodiment of the film hanging device and can move up and down relative to the biological contact oxidation pond, so that when a part of a film hanging in the oxidation pond is damaged, the supporting frame can be lifted up relative to the biological contact oxidation pond, and a film hanging medium hung on the supporting frame is carried out of the biological contact oxidation pond to replace the damaged film partly, so that sewage in the biological contact oxidation pond is not required to be discharged, the biological contact oxidation pond is not required to stop running, the problem of reducing sewage treatment efficiency caused by the fact that the biological contact oxidation pond stops running is solved, and the cost for culturing aerobic bacteria again due to the fact that the biological contact oxidation pond stops running is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of a film forming apparatus according to the present invention.
FIG. 2 is a schematic diagram of a biological contact oxidation cell according to one embodiment of the present invention.
FIG. 3 is a schematic view of a structure in which a plurality of packing elements are hung on a connecting member in an embodiment of a film hanging device according to the present invention.
Fig. 4 is a schematic structural diagram of a filler assembly in an embodiment of the film forming apparatus of the present invention.
In the figure:
1. a frame; 2. a hanging rod; 3. a connecting piece; 4. a filler assembly; 5. film forming medium; 6. a motor; 7. a gear; 8. a rack; 9. a slide rail; 10. a pulley; 11. a biological contact oxidation pond; 12. an aisle; 41. a first sheet; 42. a second sheet; 43. a central bore; 44. a first connection post; 45. and a second connecting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1, in an exemplary embodiment of the film hanging device provided by the invention, the film hanging device includes a support frame, the support frame is used for hanging the film hanging medium 5, and the support frame is disposed in the biological contact oxidation tank 11 and can move up and down relative to the biological contact oxidation tank 11 so as to drive the film hanging medium 5 to leave or sink into the biological contact oxidation tank 11.
In the above-described exemplary embodiment, the film hanging device is provided with the supporting frame, and the supporting frame can move up and down relative to the biological contact oxidation tank 11, so that when the hanging film in the oxidation tank is partially damaged, the supporting frame can be lifted up relative to the biological contact oxidation tank 11, and the film hanging medium 5 hung on the supporting frame is carried out from the biological contact oxidation tank, so that the damaged hanging film is partially replaced or other parts of the film hanging device are maintained or replaced, without draining the sewage in the biological contact oxidation tank, without stopping the operation of the biological contact oxidation tank, the problem of reducing the sewage treatment efficiency caused by the problem is solved, and the cost for re-culturing aerobic bacteria due to the stop of the biological contact oxidation tank is saved.
In addition, the support frame can move up and down relative to the biological contact oxidation pond, when sewage in the oxidation pond is black gray, the support frame is lifted to take out the film-forming medium hung on the support frame from the oxidation pond, so that the growth condition of microorganisms in the film-forming medium can be observed, and the film-forming medium can be conveniently treated in time when abnormal conditions occur; through the up-and-down motion of the support frame, the replacement or maintenance operation of the film hanging medium can be transferred to the ground, the operation of dropping into a pool is avoided, and the operation safety is improved.
Further, the film hanging device also comprises a driving mechanism, and the driving mechanism is used for driving the supporting frame to move up and down. Through setting up actuating mechanism, can realize the automation of support frame up-and-down motion, reduce artifical labour cost, can also improve the motion efficiency of support frame, further improve the film-forming and change efficiency.
The specific structural form of the driving mechanism can be various as long as the function can be realized.
Optionally, the driving mechanism comprises a motor 6, a gear 7 and a rack 8, wherein the motor 6 is used for driving the gear 7 to rotate, and the gear 7 is meshed with the rack 8 to drive the support frame to move through the movement of the gear 7 and the rack 8. The driving mechanism with the structural form has the advantages of simple structure, easy realization and good movement precision and reliability; and the lifting and lowering of the supporting frame can be conveniently realized through the forward rotation and the reverse rotation of the motor 6.
Specifically, the motor 6 and the gear 7 are arranged on the outer side of the top of the biological contact oxidation pond 11, and the rack 8 is arranged on the support frame so as to drive the rack 8 to move through the gear 7 and further drive the support frame to move. Wherein, motor 6 and gear 7 set up at the top of biological contact oxidation pond 11 to be located biological contact oxidation pond 11 outside, can prevent that sewage in the biological contact oxidation pond 11 from causing the corruption to motor 6 or gear 7, be favorable to protecting motor 6 and gear 7. The rack 8 can extend along the height direction of the support frame, is convenient to set, and can effectively realize the up-and-down movement of the support frame.
Optionally, the film hanging device further comprises a sliding fit structure, wherein the sliding fit structure is arranged between the tank wall of the biological contact oxidation tank 11 and the support frame so as to fit the movement of the support frame. Through setting up sliding fit structure, can make the motion of support frame more smooth and easy and laborsaving.
Specifically, the sliding fit structure comprises a sliding rail 9 arranged on the wall of the biological contact oxidation tank 11 and a pulley 10 arranged on the supporting frame, wherein the pulley 10 is embedded in the sliding rail 9. Through the cooperation of slide rail 9 and pulley 10, not only can make the motion of support frame more smooth and easy and laborsaving, can also restrict the motion route of support frame, have spacing effect, prevent that the support frame from taking place to warp in the motion process.
Of course, the sliding fit structure is not limited to the form of the mutual fit of the slide rail 9 and the pulley 10, and other structures capable of achieving the same function may be adopted, and will not be described in detail here.
For the specific structure of the support frame, optionally, the support frame comprises at least two frame bodies 1 and a plurality of hanging rods 2, and two adjacent frame bodies 1 are connected through the plurality of hanging rods 2 so as to hang a film hanging medium 5 through the frame bodies 1 or the hanging rods 2. The structural form can reduce the weight of the support frame as much as possible, and is convenient for the up-and-down movement of the support frame; and the permeability of the support frame can be increased, the sewage circulation of the support frame is increased, and the contact effect of sewage and a film hanging medium is improved.
As shown in fig. 1, the frame body 1 is a square closed frame, and in other embodiments, the frame body 1 may be a frame with other shapes or a non-closed frame.
Optionally, the frame body 1 is vertically arranged, the hanging rods 2 are horizontally arranged, a connecting piece 3 is arranged between the two hanging rods 2 positioned at different heights of the frame body 1, and the film hanging medium 5 is hung on the connecting piece 3.
As shown in fig. 1, three frames 1 are vertically arranged side by side, and two adjacent frames 1 are connected by a horizontal hanging rod 2 to connect the three frames 1 into a whole to form a supporting frame. A connecting piece 3 which is vertically arranged is connected between at least two different heights of the frame body 1, and a film hanging medium 5 can be hung on the connecting piece 3.
In other embodiments, the frame 1 may be disposed horizontally, and the hanging rod 2 is disposed vertically, so that the film hanging medium 5 may be directly hung on the hanging rod 2, and the connecting member 3 may be omitted.
In addition, at least two frameworks 1 are connected in series through the same hanging rod 2 in the horizontal direction, namely, the hanging rods 2 of the frameworks 1 are connected in the horizontal direction to form a whole, so that the motion continuity between the frameworks 1 can be enhanced, the structural strength of the hanging rods 2 is improved, and the overall stability of the support frame is improved.
Alternatively, the connecting member 3 may comprise a nylon rope, which is light in weight, easy to install and disassemble, easy to replace, and low in cost.
Specifically, a hook, such as a U-shaped fastener, may be disposed on the hanging rod 2, so as to facilitate connection of the connecting member 3 with the hanging rod 2. When the connecting piece 3 adopts nylon ropes, the nylon ropes can be prevented from deviating under the impact of water flow after the hooks are arranged.
Optionally, the hanging rod 2 includes a first hanging rod 2 disposed at the top end of the frame body 1 and a second hanging rod 2 disposed at the bottom end of the frame body 1, and the connecting piece 3 is connected between the first hanging rod 2 and the second hanging rod 2. The length of the connecting piece 3 can be increased as much as possible, so that as many film hanging media 5 can be hung on the connecting piece 3 as much as possible, the coverage rate of the film hanging media 5 is improved, and the sewage treatment efficiency is improved.
Optionally, the frame body 1 and the hanging rod 2 are made of stainless steel materials, so that the structural strength of the support frame is improved. In other embodiments, the frame 1 and the hanging rod 2 may be made of other hard materials.
As a further improvement of the embodiment of the film hanging device, the film hanging device also comprises a filler component 4, wherein the filler component 4 is arranged on the supporting frame, and the film hanging medium 5 is hung on the filler component 4. By arranging the filler assembly 4, the hanging of the film hanging medium 5 can be realized more conveniently.
Optionally, as shown in fig. 3, the support frame is provided with a connecting member 3, the packing assembly 4 is provided with a central hole 43, and the connecting member 3 passes through the central hole 43 of the packing assembly 4 to realize serial connection of a plurality of packing assemblies 4. By providing the center hole 43, a plurality of packing assemblies 4 can be more uniformly and stably hung on the connecting piece 3, and the packing assemblies 4 can be prevented from tipping.
As shown in fig. 4, the packing assembly 4 includes a first sheet 41 and a second sheet 42, the first sheet 41 and the second sheet 42 are connected with a predetermined distance between the first sheet 41 and the second sheet 42, and the film-forming medium 5 is hung between the first sheet 41 and the second sheet 42 with a predetermined distance between the first sheet 41 and the second sheet 42. By the arrangement, a certain space can be formed between the first sheet 41 and the second sheet 42, the filler component 4 and the film hanging medium 5 can be used together as a habitat of aerobic microorganisms in the biological contact oxidation pond, the filler component 4 forms a three-dimensional structure, the porosity of the filler component 4 can be increased, wastewater can more conveniently enter the filler component 4 to carry out biological oxidation reaction, and meanwhile, normally-fallen biological films can more easily flow out along with water from the filler component 4, so that the occurrence probability of filler blockage is reduced; the structural form can also increase the specific surface area of the filler component 4, and the number of attached growth of microorganisms per unit area is more; the two sheets have a certain distance, so that the water vapor can be fully exchanged, and the organic substances in the water body can be decomposed, thereby achieving the purpose of purifying the water quality; in addition, the filler component 4 formed by two sheets can also cut and block bubbles entering the biological contact oxidation pond 11 through aeration, plays a role of an aeration limiter, increases the residence time of the bubbles and the surface area of gas-liquid contact, improves the oxygen absorption capacity, and is beneficial to improving the sewage treatment efficiency.
Alternatively, the first sheet 41 and the second sheet 42 are circular in shape. The rounded shape is more advantageous for the arrangement and may allow more packing assemblies 4 to be installed.
Alternatively, the first sheet 41 and the second sheet 42 are arranged one above the other. For example, the first sheet 41 is disposed above the second sheet 42, so that the arrangement of the film-forming medium 5 can be facilitated, and the cutting and blocking effects of bubbles are also good.
Alternatively, both the first sheet 41 and the second sheet 42 are disposed horizontally. By the arrangement, the bubbles can be better cut and blocked, and the residence time of the bubbles and the gas-liquid contact area are increased.
Specifically, the first sheet 41 is provided with a first connecting column 44, the second sheet 42 is provided with a second connecting column 45, the second connecting column 45 is of a hollow structure, and the first connecting column 44 can be inserted into the second connecting column 45 to connect the first sheet 41 and the second sheet 42. By providing the first connecting post 44 and the second connecting post 45, a certain gap can be provided between the first sheet 41 and the second sheet 42, so that the film-forming medium 5 can be conveniently hung. The connecting mode has the advantages of simple structure, convenient connection and disassembly and assembly, and provides a hanging position for the film hanging medium 5.
The first connection post 44 is provided on a surface of the first sheet 41 opposite to the second sheet 42, and the first connection post 44 is optionally extended in a direction perpendicular to the surface of the first sheet 41; the second connecting posts 45 are provided on the surface of the second sheet 42 opposite to the first sheet 41, and the second connecting posts 45 optionally extend in a direction perpendicular to the surface of the second sheet 42.
The first and second connection posts 44, 45 are optionally cylindrical.
Optionally, the film-forming medium 5 is attached to the second connection post 45. Specifically, the film-forming medium 5 may be directly tied to the second connection post 45.
As shown in fig. 4, the first connecting columns 44 and the second connecting columns 45 each include six first connecting columns 44, the six first connecting columns 44 are uniformly arranged on the first sheet 41, the second connecting columns 45 are disposed corresponding to the first connecting columns 44, and two film hanging media 5 are hung on each second connecting column 45. The number of the film-forming mediums 5 can be increased as much as possible, the bearing capacity of the filler assembly 4 is not exceeded, and the film-forming mediums 5 are not too crowded, so that the normal growth of microorganisms is not affected.
In the above embodiments, the film-forming medium 5 may be made of polyester yarn or aldehyde fiber.
Based on the film hanging device, the invention also provides sewage treatment equipment, which comprises the film hanging device.
Further, as shown in fig. 2, the sewage treatment apparatus further includes a biological contact oxidation tank 11, the biological contact oxidation tank 11 is divided into at least two areas, two adjacent areas are separated by a passageway 12, and film hanging devices disposed in each area are independent from each other. After the device is arranged, when the film hanging medium 5 on the film hanging device in one area is damaged and needs to be replaced, the film hanging device in the area is only required to be lifted, the film hanging medium 5 on the film hanging device is partially replaced, the film hanging devices in other areas do not need to be lifted, and biological contact oxidation in other areas can be performed normally.
The positive technical effects of the film hanging device in the above embodiments are also applicable to sewage treatment equipment, and are not described here again.
The specific structure and operation of one embodiment of the membrane hanging device and the sewage treatment apparatus of the present invention will be described with reference to fig. 1 to 4:
as shown in fig. 1, the film hanging device comprises a supporting frame, the supporting frame comprises three vertical side-by-side frame bodies 1, each frame body 1 is rectangular, a plurality of mounting holes are formed in the top frame and the bottom frame of each frame body 1, a plurality of hanging rods 2 penetrate through the mounting holes to enable the three frame bodies 1 to be connected in series, hanging rods 2 connected to the upper portion of each frame body 1 are correspondingly connected to hanging rods 2 connected to the lower portion of each frame body 1, hooks are respectively arranged on the corresponding hanging rods 2, nylon ropes (namely connecting pieces 3) are hung on the hooks, a plurality of filler assemblies 4 are uniformly hung on the nylon ropes, and film hanging media 5 are hung on the filler assemblies 4.
The middle position of the frame body 1 is provided with a vertical rod, a rack 8 is arranged on the vertical rod, a motor 6 and a gear 7 are arranged on the top pool edge of the biological contact oxidation pool 11, the gear 7 is meshed with the rack 8, and after the motor 6 drives the gear 7 to rotate, the gear 7 can drive the rack 8 to move upwards or downwards along with the supporting frame. The two side frames of the frame body 1 are provided with a plurality of pulleys 10, the corresponding positions of the tank walls of the biological contact oxidation tank 11 are provided with sliding rails 9, the pulleys 10 are embedded into the sliding rails 9, and when the support frame moves up and down, the sliding rails 9 and the pulleys 10 are matched to guide and limit the movement of the support frame. A control box can be arranged outside the biological contact oxidation tank 11 and used for controlling the rotation of the motor 6.
As shown in fig. 2, the biological contact oxidation tank 11 comprises three independent areas, two adjacent areas are separated by a passageway 12, and a film hanging device is independently arranged in each area.
As shown in fig. 3, a plurality of packing assemblies 4 are uniformly suspended on the nylon ropes.
As shown in fig. 4, the packing assembly 4 includes a circular first sheet 41 disposed above and a circular second sheet 42 disposed below, and a central hole 43 is provided in each of the first sheet 41 and the second sheet 42, and nylon ropes may pass through the central hole 43 to connect the packing assemblies 4 in series. The lower surface of the first sheet 41 is provided with a first connecting column 44 extending downwards, the upper surface of the second sheet 42 is provided with a second connecting column 45 extending upwards, the first connecting column 44 is a solid cylinder, the second connecting column 45 is a hollow cylinder, and the first connecting column 44 can be inserted into the hollow structure of the second connecting column 45 to realize the connection of the first sheet 41 and the second sheet 42. The first connecting columns 44 and the second connecting columns 45 comprise six, are distributed in a shape like a Chinese character 'mi', and two film forming mediums 5 are tied on the periphery of each second connecting column 45.
Under the normal operating state, the bottom of the supporting frame of the film hanging device is directly placed into the bottom of the biological contact oxidation pond 11, the film hanging medium 5 hung on the supporting frame is sunk into pond water, microorganisms can adhere and grow on the film hanging medium 5 and contact oxygen introduced into sewage to generate biological contact oxidation reaction, so that the aim of purifying water quality is achieved.
When the film hanging medium 5 is damaged and needs to be maintained or replaced, the start-stop button on the control box is manually operated, so that the motor 6 drives the gear 7 to rotate, and the pulley 10 on the frame body 1 slides on the sliding rail 9, thereby lifting the supporting frame, conveniently taking out the film hanging medium, and realizing independent maintenance or replacement in different areas; when maintenance or replacement is completed, the button is operated to enable the motor 6 to rotate reversely, the supporting frame descends under the action of the gear 7 and the rack 8 until sewage gradually goes over the top of the supporting frame, and the film-forming medium 5 is completely immersed in the sewage to continuously purify the sewage.
By way of illustration of various embodiments of the present invention, it can be seen that the present invention has at least one or more of the following advantages:
1. the support frame can move up and down relative to the biological contact oxidation pond, on one hand, when in maintenance or replacement, damaged film forming media or filler components can be maintained or replaced by lifting the support frame, sewage in the biological contact oxidation pond does not need to be emptied, pond discharging operation is not needed, sewage treatment equipment can continue to operate, the flexibility is high, potential safety hazard is small, labor intensity is reduced, cost for re-culturing aerobic bacteria is saved, and sewage treatment efficiency can be improved; on the other hand, the growth condition of the microorganism can be observed in time through the lifting support frame, and the process can be adjusted in time when abnormal conditions occur, so that the survival of the microorganism and the water quality purifying capability are enhanced;
2. the lifting and the descending of the support frame can be conveniently realized through the motor, the gear and the rack;
3. the sliding rail and the pulley can enable the movement of the support frame to be smoother, and the movement of the support frame can be guided and limited;
4. the filler component adopts a three-dimensional structure formed by two sheets, has large specific surface area, can provide larger space for biological habitat, and enables more microorganisms to be attached and grown, so that biomass with higher concentration in the biological contact oxidation pond can be maintained; the high porosity and the three-dimensional structure of the filler component can enable waste water to enter the filler component more conveniently to carry out biological contact oxidation reaction, and meanwhile, normally-falling biological films can flow out of the filler component along with water more easily, so that the occurrence probability of filler blockage is reduced;
5. the filler component formed by the two sheets can cut and block the bubbles, plays a role of an aeration limiter, increases the residence time of the bubbles and the surface area of gas-liquid contact, and improves the oxygen absorption capacity.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (19)
1. The film hanging device is characterized by comprising a supporting frame and a filler component (4), wherein the supporting frame is used for hanging a film hanging medium (5), the supporting frame is arranged in a biological contact oxidation pond (11) and can move up and down relative to the biological contact oxidation pond (11) so as to drive the film hanging medium (5) to leave or sink into the biological contact oxidation pond (11), the filler component (4) is arranged on the supporting frame, the film hanging medium (5) is hung on the filler component (4), the filler component (4) comprises a first sheet (41) and a second sheet (42), the first sheet (41) is connected with the second sheet (42), a preset distance is reserved between the first sheet (41) and the second sheet (42), and the film hanging medium (5) is hung between the first sheet (41) and the second sheet (42); be equipped with first spliced pole (44) on first thin slice (41), be equipped with second spliced pole (45) on second thin slice (42), second spliced pole (45) are hollow structure, first spliced pole (44) can insert in second spliced pole (45), so as to realize first thin slice (41) with the connection of second thin slice (42), and make have the default distance between first thin slice (41) with second thin slice (42).
2. The film hanging device according to claim 1, further comprising a driving mechanism for driving the support frame to move up and down.
3. A film hanging device according to claim 2, characterized in that the driving mechanism comprises a motor (6), a gear (7) and a rack (8), the motor (6) is used for driving the gear (7) to rotate, and the gear (7) is meshed with the rack (8) so as to drive the support frame to move through the movement of the gear (7) and the rack (8).
4. A film forming apparatus according to claim 3, wherein the motor (6) and the gear (7) are disposed at the top outer side of the biological contact oxidation tank (11), and the rack (8) is mounted on the support frame, so that the rack (8) is driven to move by the gear (7) to drive the support frame to move.
5. The membrane hanging device according to claim 1, further comprising a slip fit structure arranged between the tank wall of the biological contact oxidation tank (11) and the support frame to fit the movement of the support frame.
6. The film hanging device according to claim 5, wherein the sliding fit structure comprises a sliding rail (9) arranged on a tank wall of the biological contact oxidation tank (11) and a pulley (10) arranged on the supporting frame, and the pulley (10) is embedded in the sliding rail (9).
7. The film hanging device according to claim 1, wherein the supporting frame comprises at least two frames (1) and a plurality of hanging rods (2), and two adjacent frames (1) are connected through the hanging rods (2) so as to hang the film hanging medium (5) through the frames (1) or the hanging rods (2).
8. The film hanging device according to claim 7, wherein the frame body (1) is vertically arranged, the hanging rods (2) are horizontally arranged, a connecting piece (3) is arranged between the two hanging rods (2) located at different heights of the frame body (1), and the film hanging medium (5) is hung on the connecting piece (3).
9. A film hanging device as claimed in claim 8, wherein the connecting member (3) comprises a nylon rope.
10. The film hanging device according to claim 8, wherein the hanging rod (2) comprises a first hanging rod (2) arranged at the top end of the frame body (1) and a second hanging rod (2) arranged at the bottom end of the frame body (1), and the connecting piece (3) is connected between the first hanging rod (2) and the second hanging rod (2).
11. Film hanging device according to claim 8, characterized in that at least two of the frames (1) are connected in series in the horizontal direction by means of one and the same hanger bar (2).
12. Film hanging device according to claim 1, characterized in that the support frame is provided with a connecting piece (3), the packing assembly (4) is provided with a central hole (43), and the connecting piece (3) passes through the central hole (43) of the packing assembly (4) to realize the serial connection of a plurality of packing assemblies (4).
13. Film forming device according to claim 1, characterized in that the first sheet (41) and the second sheet (42) are circular in shape.
14. Film-forming device according to claim 1, characterized in that the first sheet (41) and the second sheet (42) are arranged one above the other.
15. Film forming device according to claim 1, characterized in that the first sheet (41) and the second sheet (42) are both arranged horizontally.
16. A film-forming device according to claim 1, characterized in that the film-forming medium (5) is hooked to the second connection post (45).
17. The film hanging device according to claim 1, wherein the first connecting columns (44) and the second connecting columns (45) comprise six, six first connecting columns (44) are uniformly arranged on the first sheet (41), the second connecting columns (45) are arranged corresponding to the first connecting columns (44), and two film hanging media (5) are hung on each second connecting column (45).
18. A sewage treatment plant comprising a membrane hanging device as claimed in any one of claims 1 to 17.
19. The sewage treatment apparatus according to claim 18, further comprising a biological contact oxidation tank (11), wherein the biological contact oxidation tank (11) is divided into at least two areas, wherein adjacent areas are separated by a passageway (12), and wherein the film forming devices provided in each area are independent of each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711256258.8A CN107840448B (en) | 2017-12-04 | 2017-12-04 | Film hanging device and sewage treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711256258.8A CN107840448B (en) | 2017-12-04 | 2017-12-04 | Film hanging device and sewage treatment equipment |
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| CN107840448A CN107840448A (en) | 2018-03-27 |
| CN107840448B true CN107840448B (en) | 2024-02-09 |
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| CN108609722B (en) * | 2018-05-14 | 2021-04-27 | 合肥中安清源环保科技有限公司 | Biological contact oxidation pond purifies adjusting device system |
| CN111517480A (en) * | 2020-06-16 | 2020-08-11 | 北京坦思环保科技有限公司 | Sewage treatment bacteria nest device and manufacturing method thereof |
| CN113321374A (en) * | 2021-05-13 | 2021-08-31 | 海南天鸿市政设计股份有限公司 | Miniature integrated JBR sewage treatment integrated equipment |
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| JP2001190937A (en) * | 2000-01-06 | 2001-07-17 | Sumitomo Heavy Ind Ltd | Water purification equipment and method of cleaning membrane element |
| CN200985300Y (en) * | 2006-11-24 | 2007-12-05 | 山东大学 | Bristle charcoal biological contacting oxidizing reaction device |
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|---|---|---|---|---|
| JPH11309350A (en) * | 1998-04-28 | 1999-11-09 | Ishikawajima Harima Heavy Ind Co Ltd | Membrane unit washing in water treatment equipment and membrane unit attaching, detaching and feeding apparatus used therein |
| JP2001190937A (en) * | 2000-01-06 | 2001-07-17 | Sumitomo Heavy Ind Ltd | Water purification equipment and method of cleaning membrane element |
| CN200985300Y (en) * | 2006-11-24 | 2007-12-05 | 山东大学 | Bristle charcoal biological contacting oxidizing reaction device |
| CN104229979A (en) * | 2014-07-21 | 2014-12-24 | 三达膜环境技术股份有限公司 | MBR denitrification integrated device and application thereof |
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