CN221217442U - Biological rotating disc sewage treatment equipment - Google Patents
Biological rotating disc sewage treatment equipment Download PDFInfo
- Publication number
- CN221217442U CN221217442U CN202323216943.1U CN202323216943U CN221217442U CN 221217442 U CN221217442 U CN 221217442U CN 202323216943 U CN202323216943 U CN 202323216943U CN 221217442 U CN221217442 U CN 221217442U
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- China
- Prior art keywords
- disc
- machine body
- sewage treatment
- spacer sleeve
- main shaft
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- 239000010865 sewage Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 125000006850 spacer group Chemical group 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 244000005700 microbiome Species 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000008213 purified water Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006864 oxidative decomposition reaction Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000032770 biofilm formation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, and provides a biological rotating disc sewage treatment device which comprises a machine body, wherein an overflow weir is arranged in the machine body, a water inlet is arranged on one side of the machine body, a water outlet is arranged on the other side of the machine body, and a filter disc assembly driven by a driving device is rotatably arranged on the machine body; the filter disc assembly comprises a main shaft, two ends of the main shaft are respectively provided with a turntable frame, a plurality of groups of fixed shafts are arranged between the turntable frames, each group of fixed shafts is provided with a plurality of discs and spacing sleeves, and the discs are arranged in sequence at equal intervals through the spacing sleeves; the disc comprises a disc body which is of a three-dimensional net structure, the disc body is provided with stepped holes, and the disc body is externally coated with a wire net. The utility model can realize the purification treatment of sewage, the disc has high structural strength and mechanical property, large specific surface area, large amount of carried microorganisms and good film forming property, greatly improves the treatment efficiency and purification effect of sewage, and has simple and convenient mounting and dismounting operation, and good mounting firmness and corrosion resistance.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to biological rotating disc sewage treatment equipment.
Background
Biological rotating disc (Rotating Biological Contactor, RBC for short) is a biological membrane method sewage treatment technology, also called immersed biological filter. The biological turntable is a biological treatment structure consisting of a water tank and a rotating disk body partially immersed in sewage, and mainly comprises a rotating disk (disk body), a contact reaction tank, a rotating shaft, a driving device and the like, and a protective cover can be arranged above the oxidation tank to play a role in shielding wind and rain and preserving heat if necessary.
The rotating disc is used to replace fixed filtering material, and when in work, the rotating disc is immersed or partially immersed into the sewage-filled contact reaction tank, and driven by the driving device, the rotating shaft drives the rotating disc to rotate together at a certain linear speed. The turntable is alternately contacted with sewage and air, and after a period of rotation, a layer of biological film is attached to the disc. When the microbial organic wastewater is transferred into the sewage, the biological film adsorbs organic pollutants in the sewage and absorbs dissolved oxygen in an external water film of the biological film to decompose the organic matters, so that microorganisms can reproduce themselves in the process; when the rotary table rotates out of the reaction tank, the rotary table contacts with air, and the air is continuously dissolved into a water film to increase the dissolved oxygen. In this process, the transfer of organic matters (BOD, COD) and O2 and other matters (such as CO2, NH3, etc.) are carried out between the biomembrane attached to the turntable and the sewage and air, so that a continuous adsorption, oxidative decomposition and oxygen absorption process is formed, and the sewage is purified continuously.
Most of the existing biological rotating discs are of an integrated plate-shaped structure made of plastic materials, the specific surface area is small, the carried microorganism amount is small, the film-forming performance is poor, and the biological film hung on the disc is easy to fall off, so that the sewage treatment efficiency and the sewage treatment effect are not ideal, and the structural strength and the mechanical property of the disc are still to be further improved; in addition, most of the discs are fixedly arranged on the turntable frame through a plurality of groups of bolts, and because of more discs and complicated and inconvenient installation and disassembly operations, subsequent maintenance is time-consuming and labor-consuming, and the installation firmness and corrosion resistance are poor, the disc works in an acidic or alkaline or high-salinity wastewater environment for a long time, is easy to corrode and has a low service life.
Disclosure of utility model
The present inventors have conducted intensive studies to overcome the above-mentioned drawbacks of the prior art, and have completed the present utility model after a great deal of creative effort.
Specifically, the technical problems to be solved by the utility model are as follows: the utility model provides a biological rotating disk sewage treatment device to solve current biological rotating disk device, the disc is poor to the treatment effect of sewage, and the installation and the dismantlement complex operation of disc are inconvenient, installation fastness and corrosion resistance poor technical problem.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
The biological rotating disc sewage treatment equipment comprises a machine body, wherein an overflow weir is arranged in the machine body, the machine body is isolated into a contact reaction tank and a water outlet tank by the overflow weir, a water inlet communicated with the contact reaction tank is arranged at the top of one side of the machine body, a water outlet communicated with the water outlet tank is arranged at the top of the other side of the machine body, a filter disc assembly driven by a driving device is rotatably arranged on the machine body, and the filter disc assembly is partially positioned in the contact reaction tank;
The filter disc assembly comprises a main shaft, two ends of the main shaft are respectively and fixedly provided with a turntable frame which is correspondingly arranged, a plurality of groups of fixed shafts are arranged between the turntable frames, each group of fixed shafts is provided with a plurality of interval sleeves and discs along the length direction of the fixed shafts, and the discs are sequentially arranged at equal intervals through the interval sleeves;
The disc comprises a disc body, wherein the disc body is of a three-dimensional net structure formed by intersecting and staggering filament, stepped holes are formed in the disc body, a wired net is wrapped outside the disc body, the spacing sleeves are sleeved on the fixed shaft, adjacent spacing sleeves are connected through the stepped holes, and the disc is clamped and fixed through the spacing sleeves positioned on two sides of the disc.
As an improved technical scheme, the overflow weir is arranged close to the water outlet, and the top of the overflow weir is of a tooth-shaped structure with a plurality of overflow ports.
As an improved technical scheme, the driving device comprises a driving motor and a speed reducer, wherein a power output shaft of the driving motor is in transmission connection with a power input shaft of the speed reducer, and one end of the main shaft is in transmission connection with the power output shaft of the speed reducer.
As an improved technical scheme, bearing seats which are correspondingly arranged are fixedly arranged on two sides of the machine body, the main shaft is rotatably arranged on the machine body by utilizing the bearing seats, shaft head installation parts are arranged at two end parts of the main shaft, and the turntable frame is fixedly connected with the shaft head installation parts of the main shaft by utilizing installation bolts.
As an improved technical scheme, both ends of the interval sleeve are provided with integrally formed blocking edges, one end of the interval sleeve is provided with a connecting part, an external thread is arranged on the connecting part, the other end of the interval sleeve is provided with an internal thread on the inner wall of the through hole, and the interval sleeve penetrates through the stepped hole through the connecting part and is in threaded fit connection with the adjacent interval sleeve.
As an improved technical scheme, a spanner clamping groove is formed in the spacer sleeve, the spanner clamping groove is located between the two blocking edges, and the spanner clamping groove is uniformly formed in the circumferential direction of the outer wall of the spacer sleeve.
As an improved technical scheme, three fixing shafts are arranged in a triangular position, three stepped holes corresponding to the fixing shafts are formed in the disc, and the disc is sleeved on the fixing shafts through the stepped holes and clamped and fixed by the spacing sleeve.
As an improved technical scheme, the machine body is also provided with a cover body, and a sewage treatment cavity is formed between the cover body and the machine body.
As an improved technical scheme, the machine body is provided with four first lifting lugs which are respectively arranged at the corners of the top of the machine body;
The top of the cover body is provided with a second lifting lug.
After the technical scheme is adopted, the utility model has the beneficial effects that:
(1) When the biological rotating disc sewage treatment equipment works, sewage enters the contact reaction tank through the water inlet, the filter disc assembly is partially immersed into the contact reaction tank filled with sewage, the main shaft and the rotating disc frame drive each disc to rotate by taking the main shaft as the center under the driving of the driving device, each disc alternately contacts with the sewage and air, a layer of biological film is attached to the disc after a period of rotation, when the disc is immersed into the sewage, the biological film adsorbs organic pollutants in the sewage and absorbs dissolved oxygen in a water film outside the biological film to decompose the organic matters, microorganisms can reproduce themselves in the process, the disc rotates to leak out of the sewage surface and contacts with air, the air is continuously dissolved into the water film to increase the dissolved oxygen, thus, a continuous adsorption, oxidative decomposition and oxygen absorption process is formed, the sewage is continuously purified, and the purified water body overflows from the overflow weir to the water outlet tank and finally is discharged through the water outlet.
Through this biological rotating disk sewage treatment device, can realize the continuous purification treatment to sewage, the disc is the three-dimensional network structure that filiform thing alternately staggeredly connects formation, and the outsourcing covers wired network, structural strength and mechanical properties are high, specific surface area is big, the microorganism volume that can carry improves greatly, and the biofilm formation performance is good, hang the biomembrane on the disc and be difficult for droing, and then improved treatment efficiency and the purifying effect to sewage greatly, in addition, the disc utilizes the fixed mounting means of interval sleeve pipe clamping on the fixed axle, make the installation and the dismantlement operation of disc simple and convenient, installation fastness and corrosion resistance are good, life prolongs greatly.
(2) The overflow weir is provided with a toothed structure with a plurality of overflow ports at the top, purified water flows out from each overflow port, water is discharged uniformly, and the overflow effect is good.
(3) This interval sleeve that is equipped with realizes through connecting portion that the connection between the adjacent interval sleeve is fixed, keeps off along realizing the clamping of disc through adjacent interval sleeve fixed for the disc is simple and convenient in the epaxial installation operation of fixed, and interval sleeve can separate adjacent disc, makes the disc after the installation be equidistant range setting, when guaranteeing that the disc installation is firm reliable, installation fastness and corrosion resistance improve greatly.
(4) The spanner clamping groove is formed in the spacer sleeve, and after the spacer sleeve is installed and connected, the spacer sleeve is convenient to screw and tighten by using a tool, so that the disc is firmly and reliably clamped, and is not easy to loosen.
(5) The cover body arranged on the machine body plays roles of shielding wind and rain, preventing dust and preserving heat, and can isolate sewage from the outside so as to avoid the influence of sewage peculiar smell on the outside environment.
(6) The first lifting lug is arranged on the machine body, so that the equipment is convenient to lift and carry, and the carrying and moving of the equipment are time-saving and labor-saving; and the second lifting lugs are arranged on the cover body, so that the cover body can be conveniently lifted and carried during installation and disassembly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a biological rotating disc sewage treatment apparatus according to the present utility model;
FIG. 2 is a schematic view of the structure of the cover of the present utility model in an uncapped state;
FIG. 3 is a schematic view of another perspective structure of the cover of the present utility model in an uncapped state;
FIG. 4 is a schematic sectional view of the biological rotating disc type sewage treatment apparatus of the present utility model;
FIG. 5 is a schematic view of the structure of the filter tray assembly of the present utility model;
FIG. 6 is another perspective view of the filter tray assembly of the present utility model;
FIG. 7 is a schematic view of the mounting structure of the turntable on the spindle;
FIG. 8 is a schematic view of the mounting structure of the spacer sleeve and disc of the present utility model on a set of stationary shafts;
FIG. 9 is a schematic view showing a partially cut-away structure of a disk of the present utility model mounted on a fixed shaft;
FIG. 10 is a schematic diagram of a disc according to the present utility model;
FIG. 11 is a schematic view of the spacer sleeve of the present utility model;
FIG. 12 is another perspective view of a spacer sleeve according to the present utility model;
Reference numerals: 1-a machine body; 2-overflow weir; 3-a water inlet; 4-a water outlet; 5-driving a motor; 6-a speed reducer; 7-a speed reducer mounting seat; 8-a main shaft; 801-stub shaft mounting; 9-a turntable frame; 901-reinforcing ribs; 10-bearing seats; 11-a fixed shaft; 12-spacer sleeve; 1201-stop edge; 1202-a connection; 1203-wrench clamping groove; 13-disc; 1301-a tray body; 1302-step holes; 1303-wire mesh; 14-a cover; 15-a first lifting lug; 16-second lifting lugs.
Detailed Description
The utility model will be further illustrated with reference to specific examples. The purpose and purpose of these exemplary embodiments are merely to illustrate the present utility model and are not intended to limit the true scope of the present utility model in any way.
As shown in fig. 1 to 12 together, the embodiment provides a biological rotating disc sewage treatment device, which comprises a machine body 1, wherein an overflow weir 2 is arranged in the machine body 1, the overflow weir 2 isolates the machine body 1 into a contact reaction tank and a water outlet tank, a water inlet 3 communicated with the contact reaction tank is arranged at the top of one side of the machine body 1, a water outlet 4 communicated with the water outlet tank is arranged at the top of the other side of the machine body 1, and flanges are arranged at the positions of the water inlet 3 and the water outlet 4.
The filter disc assembly driven by the driving device is rotatably arranged on the machine body 1, and part of the filter disc assembly is positioned in the contact reaction tank.
The overflow weir 2 is arranged close to the water outlet 4, the top of the overflow weir 2 is of a tooth-shaped structure with a plurality of overflow ports, the purified water flows out from each overflow port, the water outlet is uniform, and the overflow effect is good.
The filter disc assembly comprises a main shaft 8, two ends of the main shaft 8 are respectively and fixedly provided with a corresponding turntable frame 9, the turntable frame 9 is provided with a reinforcing rib 901, a plurality of groups of fixed shafts 11 are arranged between the two turntable frames 9, each group of fixed shafts 11 is provided with a plurality of spacing sleeves 12 and discs 13 along the length direction of the fixed shafts, and the discs 13 are arranged in sequence at equal intervals through the spacing sleeves 12.
The disc 13 comprises a disc body 1301, the disc body 1301 is of a three-dimensional net structure formed by intersecting and staggering wire objects, stepped holes 1302 are formed in the disc body 1301, a wire net 1303 is wrapped outside the disc body 1301, the spacing sleeves 12 are sleeved on the fixed shaft 11, adjacent spacing sleeves 12 are connected through the stepped holes 1302, and the disc 13 is clamped and fixed through the spacing sleeves 12 located on two sides of the disc body 1301.
The discs 13 are of a fan-shaped structure, a plurality of discs 13 which are sequentially arranged along the circumferential direction form a circular filter disc, and the filter discs are sequentially arranged at equal intervals along the axial direction of the main shaft 8; in this embodiment, four disks 13 arranged in order in the circumferential direction constitute one filter disk. Of course, the number of disks 13 constituting the filter disk is determined by the fan angle of the individual disks 13.
The driving device comprises a driving motor 5 and a speed reducer 6, wherein a power output shaft of the driving motor 5 is in transmission connection with a power input shaft of the speed reducer 6, one end of a main shaft 8 is in transmission connection with the power output shaft of the speed reducer 6, the driving motor 5 works, and the main shaft 8 is driven to rotate through the speed reducer 6.
In this embodiment, the machine body 1 is externally provided with a speed reducer mounting seat 7, and the speed reducer 6 is fixedly mounted on the speed reducer mounting seat 7.
Bearing seats 10 which are correspondingly arranged are fixedly arranged on two sides of the machine body 1, and the main shaft 8 is rotatably arranged on the machine body 1 by utilizing the bearing seats 10.
The two ends of the main shaft 8 are respectively provided with a shaft head mounting part 801, a plurality of first mounting holes are formed in the shaft head mounting parts 801 along the circumferential direction, second mounting holes corresponding to the first mounting holes are formed in the turntable frame 9 along the circumferential direction, and the turntable frame 9 is fixedly connected with the shaft head mounting parts 801 of the main shaft 8 through mounting bolts.
The two ends of the spacer sleeve 12 are provided with integrally formed blocking edges 1201, one end of the spacer sleeve 12 is provided with a connecting part 1202, the connecting part 1202 is provided with external threads, the other end of the spacer sleeve 12 is provided with internal threads on the inner wall of the through hole, and the spacer sleeve 12 penetrates through the stepped hole 1302 through the connecting part 1202 and is in threaded fit connection with the adjacent spacer sleeve 12.
In this embodiment, the spacer sleeve 12 is made of an anti-corrosion material, the discs 13 and the spacer sleeve 12 are sequentially arranged at intervals, and the spacer sleeve 12 realizes clamping and fixing of the discs 13 and makes the adjacent discs 13 have a space therebetween.
The spacer sleeve 12 is provided with a spanner clamping groove 1203, the spanner clamping groove 1203 is positioned between the two blocking edges 1201, and the spanner clamping groove 1203 is uniformly arranged along the circumferential direction of the outer wall of the spacer sleeve 12. The spanner clamping groove 1203 arranged on the spacer sleeve 12 is convenient for screwing and fastening the spacer sleeve 12 by using a tool after the spacer sleeve 12 is installed and connected, so that the clamping of the disc 13 is ensured to be firm and reliable, and the disc is not easy to loosen.
This spacer sleeve 12 that is equipped with realizes the connection fixed between the adjacent spacer sleeve 12 through connecting portion 1202, realizes the clamping fixed to disc 13 through the fender edge 1201 of adjacent spacer sleeve 12 for disc 13 installs easy operation on fixed axle 11 and is convenient, and spacer sleeve 12 can separate adjacent disc 13, makes disc 13 after the installation be equidistant range setting, when guaranteeing disc 13 installation firm reliable, installation fastness and corrosion resistance improve greatly.
In this embodiment, three fixing shafts 11 are arranged in a triangular position, three stepped holes 1302 corresponding to the fixing shafts 11 are formed in the disc 13, the disc 13 is sleeved on the fixing shafts 11 through the stepped holes 1302, and is clamped and fixed by using the spacer sleeve 12, and the disc 13 is clamped and fixed in a triangular position, so that the disc 13 is conveniently mounted and dismounted while the disc 13 is firmly clamped and fixed.
The machine body 1 is also provided with a cover body 14, and a sewage treatment cavity is formed between the cover body 14 and the machine body 1; the cover body 14 is installed to play a role in shielding wind and rain, preventing dust and preserving heat, and can isolate sewage from the outside so as to avoid the influence of sewage peculiar smell on the outside environment.
Be equipped with first lifting lug 15 on organism 1, first lifting lug 15 is equipped with four, and sets up in the corner position at organism 1 top respectively, is convenient for hoist and mount transport this equipment for the transport of equipment removes labour saving and time saving.
The top of lid 14 is equipped with second hoist and mount ear 16, hoist and mount transport when being convenient for lid 14 installation and dismantlement.
According to the biological rotating disc sewage treatment equipment with the structure, when the biological rotating disc sewage treatment equipment works, sewage enters the contact reaction tank through the water inlet 3, the filter disc assembly is partially immersed into the contact reaction tank filled with sewage, the disc 13 is driven by the driving device to rotate by taking the main shaft 8 and the rotating disc frame 9 as the center, the disc 13 is alternately contacted with sewage and air, a layer of biological film is attached to the disc 13 after a period of rotation, when the disc 13 is immersed into the sewage, the biological film adsorbs organic pollutants in the sewage and absorbs dissolved oxygen in a water film outside the biological film to decompose the organic matters, microorganisms can reproduce themselves in the process, the disc 13 rotates to leak out of the sewage surface and is contacted with air, the air is continuously dissolved into the water film, and dissolved oxygen is increased, so that a continuous adsorption, oxidative decomposition and oxygen absorption process is formed, the sewage is continuously purified, and the purified water body overflows from the overflow weir 2 to a water outlet tank, and finally is discharged through the water outlet 4.
Through this biological rotating disk sewage treatment device, can realize the continuous purification treatment to sewage, disc 13 is the three-dimensional network structure that filiform alternately staggeredly connects formation, and outsourcing cladding wired net 1303, structural strength and mechanical properties are high, specific surface area is big, the microorganism volume that can carry improves greatly, and the biofilm formation performance is good, hang the biomembrane on disc 13 and be difficult for droing, and then improved treatment efficiency and the purifying effect to sewage greatly, in addition, disc 13 utilizes spacing sleeve 12 clamping fixed mounting means on fixed axle 11, make disc 13's installation and dismantlement easy operation, installation fastness and corrosion resistance are good, life prolongs greatly.
It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of the present utility model as defined in the appended claims.
Claims (9)
1. The utility model provides a biological rotating disc sewage treatment device, includes organism, its characterized in that: an overflow weir is arranged in the machine body, the machine body is isolated into a contact reaction tank and a water outlet tank by the overflow weir, a water inlet communicated with the contact reaction tank is arranged at the top of one side of the machine body, a water outlet communicated with the water outlet tank is arranged at the top of the other side of the machine body, a filter disc assembly driven by a driving device is rotatably arranged on the machine body, and a part of the filter disc assembly is positioned in the contact reaction tank;
The filter disc assembly comprises a main shaft, two ends of the main shaft are respectively and fixedly provided with a turntable frame which is correspondingly arranged, a plurality of groups of fixed shafts are arranged between the turntable frames, each group of fixed shafts is provided with a plurality of interval sleeves and discs along the length direction of the fixed shafts, and the discs are sequentially arranged at equal intervals through the interval sleeves;
The disc comprises a disc body, wherein the disc body is of a three-dimensional net structure formed by intersecting and staggering filament, stepped holes are formed in the disc body, a wired net is wrapped outside the disc body, the spacing sleeves are sleeved on the fixed shaft, adjacent spacing sleeves are connected through the stepped holes, and the disc is clamped and fixed through the spacing sleeves positioned on two sides of the disc.
2. The biological rotating disk sewage treatment apparatus according to claim 1, wherein: the overflow weir is arranged close to the water outlet, and the top of the overflow weir is of a tooth-shaped structure with a plurality of overflow ports.
3. The biological rotating disk sewage treatment apparatus according to claim 1, wherein: the driving device comprises a driving motor and a speed reducer, wherein a power output shaft of the driving motor is in transmission connection with a power input shaft of the speed reducer, and one end of the main shaft is in transmission connection with the power output shaft of the speed reducer.
4. The biological rotary disk sewage treatment apparatus as set forth in claim 3, wherein: bearing blocks which are correspondingly arranged are fixedly arranged on two sides of the machine body, the main shaft is rotatably arranged on the machine body by utilizing the bearing blocks, shaft head installation parts are arranged at two end parts of the main shaft, and the turntable frame is fixedly connected with the shaft head installation parts of the main shaft by utilizing installation bolts.
5. The biological rotating disk sewage treatment apparatus according to claim 1, wherein: the spacer sleeve is characterized in that the two end parts of the spacer sleeve are provided with stop edges which are integrally formed, one end of the spacer sleeve is provided with a connecting part, an external thread is arranged on the connecting part, the other end of the spacer sleeve is provided with an internal thread on the inner wall of the through hole, and the spacer sleeve penetrates through the stepped hole through the connecting part and is in threaded fit connection with the adjacent spacer sleeve.
6. The biological rotary disk sewage treatment apparatus according to claim 5, wherein: the wrench clamping grooves are formed in the spacer sleeve and located between the two blocking edges, and the wrench clamping grooves are uniformly formed in the circumferential direction of the outer wall of the spacer sleeve.
7. The biological rotating disk sewage treatment apparatus according to claim 1, wherein: the three fixed shafts of each group are arranged in a triangular position, three stepped holes corresponding to the fixed shafts respectively are formed in the disc, and the disc is sleeved on the fixed shafts through the stepped holes and clamped and fixed by the spacer sleeve.
8. The biological rotating disk sewage treatment apparatus according to any one of claims 1 to 7, wherein: the machine body is also provided with a cover body, and a sewage treatment cavity is formed between the cover body and the machine body.
9. The biological rotary disk sewage treatment apparatus according to claim 8, wherein: the machine body is provided with four first lifting lugs which are respectively arranged at the corners of the top of the machine body;
The top of the cover body is provided with a second lifting lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323216943.1U CN221217442U (en) | 2023-11-28 | 2023-11-28 | Biological rotating disc sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323216943.1U CN221217442U (en) | 2023-11-28 | 2023-11-28 | Biological rotating disc sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221217442U true CN221217442U (en) | 2024-06-25 |
Family
ID=91578436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323216943.1U Active CN221217442U (en) | 2023-11-28 | 2023-11-28 | Biological rotating disc sewage treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221217442U (en) |
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2023
- 2023-11-28 CN CN202323216943.1U patent/CN221217442U/en active Active
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