CN112473230A - Sewage treatment system based on rotary grating machine - Google Patents
Sewage treatment system based on rotary grating machine Download PDFInfo
- Publication number
- CN112473230A CN112473230A CN202110070667.9A CN202110070667A CN112473230A CN 112473230 A CN112473230 A CN 112473230A CN 202110070667 A CN202110070667 A CN 202110070667A CN 112473230 A CN112473230 A CN 112473230A
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- grating machine
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- rotary type
- compression
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- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 230000006835 compression Effects 0.000 claims abstract description 36
- 238000007906 compression Methods 0.000 claims abstract description 36
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 35
- 231100000719 pollutant Toxicity 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 2
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005273 aeration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/461—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
- B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides a sewage treatment system based on a rotary type grating machine. The system comprises a rotary type grating machine, the rotary type grating machine comprises a grating machine body and a support frame, the grating machine body is fixed on the support frame, the support frame is provided with an air nozzle at the upper side of the outlet of the grating machine body, the support frame is provided with a collecting box at the lower side of the outlet of the grating machine body, a liquid leakage hole is formed in the box wall of the collecting box, the outlet of the collecting box is provided with a baffle and a first telescopic cylinder for driving the baffle to move, the lower side of the collecting box is provided with a pollutant compression mechanism, the pollutant compression mechanism comprises a compression box, a feed inlet communicated with the collecting box is formed in the compression box, a discharge port is further formed in the compression box. The invention can blow off the pollutants at the outlet of the grating machine body, so that the grating machine body can discharge the pollutants, and the brush can clean the grating machine body, thereby enhancing the cleanliness of the grating machine body.
Description
Technical Field
The invention belongs to the technical field of sewage treatment systems, and particularly relates to a sewage treatment system based on a rotary grating machine.
Background
At present, most domestic sewage treatment mainly adopts a BAF process and an MBR process; the main working principle of BAF technology, namely Biological Aerated Filter (BAF), is the oxidative decomposition of microorganisms in a biological membrane adsorbed on a filter material in a reactor, the adsorption and retention effects of the filter material and the microbial membrane, and the graded predation effect of a food chain formed along the water flow direction.
The main drawbacks of BAF process are: the cost is obviously increased: the power consumption of the biological aerated filter in the sewage plant is about 0.11 ℃ per ton of sewage treated. In addition, the quantity of backwashing water is large, the design scale of a sewage plant is 6 ten thousand tons, the quantity of the backwashing water is up to more than 1.3 ten thousand tons at present, the treatment capacity of the sewage plant is reduced, and waste is caused in the aspects of power consumption, medicament addition and the like. The daily management needs to be fine: as BAF inlet water is relatively low in BOD and high in ammonia nitrogen, carbon sources such as methanol and the like need to be added, the adding amount needs to be controlled, and the normal state of microorganisms is guaranteed. The aeration rate needs to be well mastered, the ammonia nitrogen is easily higher due to insufficient aeration rate, and sand grains are washed away due to overhigh aeration rate.
The MBR process, namely a membrane-bioreactor (MBR), is a sewage biological treatment process formed by combining membrane separation and biological treatment technologies, and the bioreactor integrates the advantages of the membrane treatment technology and the biological treatment technology.
The MBR process has the main disadvantages that: firstly, the investment is large, the manufacturing cost of the membrane component is high, and the investment of the project is increased by about 30 to 50 percent compared with the investment of the conventional treatment method; and the membrane module generally has a service life of about 5 years and needs to be replaced due to the expiration, so that the operation cost is high. Secondly, high-strength aeration, high energy consumption caused by large membrane driving pressure for increasing flow speed and mud-water separation for reducing membrane pollution and greatly increased operating electricity cost; meanwhile, the concentration of dissolved oxygen in the backflow muddy water mixture is far too high due to high-strength aeration, and the strict requirements of anoxic denitrification and anaerobic phosphorus removal on the dissolved oxygen are difficult to meet, so that the nitrogen and phosphorus removal effect is poor, and the index requirements of total nitrogen and total phosphorus in effluent cannot be guaranteed. And the processing equipment is more and more complex, and has high requirements on automation of an operating system and operation and maintenance personnel.
Therefore, at present, a large amount of equipment is being built in China aiming at the problems of domestic sewage treatment in residential houses, scenic spots, rural areas and the like. The rotary type grid sewage removing machine is equipment used in a sewage treatment process, and is widely used in the field of environmental protection equipment; the existing rotary type grid sewage-removing machine comprises a frame body, a support frame, a driving wheel, a power system, an underwater guide wheel, a steering wheel and a rotary type grid, wherein the frame body is provided with a horizontal frame body and an inclined frame body, the lower part of the horizontal frame body is provided with a sewage discharge outlet, the frame body is fixed on the support frame, the driving wheel is arranged at the rear part of the horizontal frame body, the underwater guide wheel is arranged at the bottom of the inclined frame body, the steering wheel is arranged at the junction of the inclined frame body and the horizontal frame body, the rotary type grid is arranged in the frame body, the rotary type grid is sequentially connected with the underwater guide wheel, the steering; when the existing rotary type grid sewage removing machine is used, the bottom of an inclined frame body of the equipment is placed at a sewage to be treated, a power device is started to drive a driving wheel, the rotary type grid is driven to rotate through the rotation of the driving wheel, part of pollutants in the sewage are brought up by the rotary type grid, and after the pollutants are filtered, the screened pollutants are discharged from a sewage outlet; the existing rotary type grid dirt removing machine is found in use that the pollutants screened out by the rotary type grid have certain moisture, so that secondary pollution is easily caused to the environment in the transferring process, and meanwhile, part of pollutants are adhered to the rotary type grid, so that the dirt removing effect of the rotary type grid is reduced.
Disclosure of Invention
The invention aims to provide a sewage treatment system based on a rotary grating machine, which has a good sewage cleaning effect and can compress and pack pollutants.
In order to achieve the purpose, the sewage treatment system based on the rotary type grating machine adopts the technical scheme that: the sewage treatment system based on the rotary type grating machine comprises the rotary type grating machine, the rotary type grating machine comprises a grating machine body and a support frame, the grating machine body is fixed on the support frame, a brush is arranged on the lower side of an outlet of the grating machine body, an air nozzle is arranged on the upper side of the outlet of the grating machine body, a collecting box is arranged on the lower side of the outlet of the grating machine body, a liquid leakage hole is formed in the box wall of the collecting box, a baffle and a first telescopic cylinder for driving the baffle to move are arranged at the outlet of the collecting box, a pollutant compression mechanism is arranged on the lower side of the collecting box and comprises a compression box, a feed inlet communicated with the collecting box is formed in the compression box, a discharge outlet is further formed in the compression box, and a sealing door and a second telescopic cylinder for driving the sealing door to move are arranged on the discharge outlet, the compression box is internally provided with a compression plate for compressing pollutants in the sealing box, and the compression box is provided with a third telescopic cylinder for driving the compression plate to move towards the discharge port.
As a further improvement to the technical scheme, the supporting frame is provided with an air increasing pump, and the bottom of the collecting box is provided with an inclined plane inclined towards the outlet.
As a further improvement to the technical scheme, a liquid collecting box is arranged on the supporting frame and is communicated with the collecting box through the liquid leakage hole.
As a further improvement to the technical scheme, a guide plate is arranged at the discharge port of the grating machine body on the support frame, and the brush is positioned on the upper side of the guide plate.
As a further improvement to the technical scheme, the grating machine body comprises a frame body, wherein a rotary grating plate is arranged in the frame body, and a driving mechanism for driving the rotary grating plate to rotate is arranged on the frame body.
As a further improvement to the above technical solution, the driving mechanism includes a driving motor, the driving motor drives the rotary grid plate to rotate through a transmission belt, and the support frame is provided with a tensioning wheel for tensioning the transmission belt.
The invention has the beneficial effects that: when the sewage treatment system based on the rotary grating machine is used, the bottom of the grating machine body is placed at the position of sewage to be treated, the grating machine body is started, the rotary grating plate brings pollutants in the sewage, the air nozzles blow the pollutants on the rotary grating plate down to the collecting box when the rotary grating plate conveys the pollutants to the outlet, and the brushes clean the rotary grating plate. Water contained in the pollutants in the collecting box enters the liquid collecting box through the liquid leakage hole, and at the moment, the first telescopic cylinder drives the baffle plate to close the outlet of the collecting box. When first telescoping cylinder drive baffle was opened, the pollutant in the collection box entered into to the compression case, and at this moment, second telescoping cylinder drive sealing door was closed, and the motion of third telescoping cylinder drive compression board compresses the pollutant in the compression case, and when second telescoping cylinder drive sealing door was opened, the pollutant of compressed fell down from the discharge gate. Compared with the prior art, the device can compress and pack the pollutants, and enhances the use convenience of the device.
Drawings
FIG. 1 is a schematic view showing the structure of a rotary type grate in a sewage treatment system based on the rotary type grate according to the present invention.
In the figure: 1. a grillage machine body; 2. a support frame; 3. an air increasing pump; 4. an air tube; 5. an air nozzle; 6. a brush; 7. a fuse plate; 8. a tension wheel; 9. a transmission belt; 10. a collection box; 11. a weep hole; 12. a liquid collection tank; 13. a first telescoping cylinder; 14. a baffle plate; 15. a compression box; 16. a third telescopic cylinder; 17. a compression plate; 18. a second telescoping cylinder; 19. and (4) sealing the door.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The invention relates to a sewage treatment system based on a rotary type grating machine, which comprises the rotary type grating machine as shown in figure 1, wherein the rotary type grating machine comprises a grating machine body 1 and a support frame 2, the grating machine body 1 is fixed on the support frame 2, the support frame 2 is connected with a brush 6 at the lower side of an outlet of the grating machine body 1, the support frame 2 is connected with an air nozzle 5 at the upper side of the outlet of the grating machine body 1, the support frame 2 is connected with a collecting box 10 at the lower side of the outlet of the grating machine body 1, a liquid leakage hole 11 is connected on the box wall of the collecting box 10, a baffle 14 and a first telescopic cylinder 13 for driving the baffle 14 to move are connected at the outlet of the collecting box 10, a pollutant compression mechanism is connected at the lower side of the collecting box 10, the pollutant compression mechanism comprises a compression box 15, a feed inlet communicated, the discharge port is connected with a sealing door 19 and a second telescopic cylinder 18 for driving the sealing door 19 to move, a compression plate 17 for compressing pollutants in the sealing box is connected in the compression box 15, and a third telescopic cylinder 16 for driving the compression plate 17 to move towards the discharge port is connected on the compression box 15.
In this embodiment, the air increasing pump 3 is connected to the support frame 2, the air increasing pump 3 is connected to the air injection pipe 4 through the air pipe 4, and the bottom of the case of the collecting case 10 is connected to the inclined plane inclined toward the outlet, so that the pollutants in the collecting case 10 can be smoothly discharged.
In this embodiment, fixedly connected with header tank 12 on support frame 2, header tank 12 and collecting box 10 pass through weeping hole 11 intercommunication. The support frame 2 is connected with a material guiding plate 7 at the discharge port of the grating machine body 1, and the brush 6 is positioned on the upper side of the material guiding plate 7. The grating machine body 1 comprises a frame body, a rotary grating plate is connected in the frame body, and a driving mechanism for driving the rotary grating plate to rotate is connected on the frame body. Specifically, actuating mechanism includes driving motor, and driving motor passes through drive belt 9 drive gyration grating board and rotates, is connected with tensioning wheel 8 of tensioning drive belt 9 on the support frame 2.
When the sewage treatment system based on the rotary grating machine is used, the bottom of the grating machine body 1 is placed at the position of sewage to be treated, the grating machine body 1 is started, pollutants in the sewage are brought up by the rotary grating plates, when the pollutants are conveyed to an outlet by the rotary grating plates, the pollutants on the rotary grating plates are blown down into the collecting box 10 by the air nozzles 5, and the rotary grating plates are cleaned by the brushes 6. Water contained in contaminants in the collection tank 10 enters the collection tank 12 through the weep hole 11, and at this time, the first telescopic cylinder 13 drives the shutter 14 to close the outlet of the collection tank 10. When the first telescopic cylinder 13 drives the baffle 14 to be opened, pollutants in the collecting box 10 enter the compression box 15, at the moment, the second telescopic cylinder 18 drives the sealing door 19 to be closed, the third telescopic cylinder 16 drives the compression plate 17 to move to compress the pollutants in the compression box 15, and when the second telescopic cylinder 18 drives the sealing door 19 to be opened, the compressed pollutants fall down from the discharge port.
The invention provides a sewage treatment system based on a rotary type grating machine, which has the following advantages compared with the prior art: the sewage treatment system based on the rotary type grating machine can blow off pollutants at the outlet of the grating machine body 1, so that the grating machine body 1 can discharge the pollutants, the brush 6 can clean the grating machine body 1, the cleanliness of the grating machine body 1 is enhanced, the pollutants can be compressed and packaged, and the use convenience of the sewage treatment system is enhanced.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The sewage treatment system based on the rotary type grating machine is characterized by comprising the rotary type grating machine, wherein the rotary type grating machine comprises a grating machine body and a support frame, the grating machine body is fixed on the support frame, a brush is arranged on the lower side of an outlet of the grating machine body, an air nozzle is arranged on the upper side of the outlet of the grating machine body, a collecting box is arranged on the lower side of the outlet of the grating machine body, liquid leakage holes are formed in the wall of the collecting box, a baffle and a first telescopic cylinder for driving the baffle to move are arranged at the outlet of the collecting box, a pollutant compression mechanism is arranged on the lower side of the collecting box and comprises a compression box, a feeding hole communicated with the collecting box is formed in the compression box, a discharging hole is further formed in the compression box, a sealing door and a second telescopic cylinder for driving the sealing door to move are arranged on the discharging hole, the compression box is internally provided with a compression plate for compressing pollutants in the sealing box, and the compression box is provided with a third telescopic cylinder for driving the compression plate to move towards the discharge port.
2. The rotary type grate-based sewage treatment system as claimed in claim 1, wherein the supporting frame is provided with an air-increasing pump, and the bottom of the collecting box is provided with an inclined plane inclined towards the outlet.
3. The rotary type grate-based sewage treatment system as claimed in claim 2, wherein a liquid collecting tank is arranged on the supporting frame, and the liquid collecting tank is communicated with the collecting tank through the liquid leaking hole.
4. The rotary type grate-based sewage treatment system as claimed in claim 1, wherein said supporting frame is provided with a material guiding plate at the discharge port of said grate body, and said brush is located at the upper side of said material guiding plate.
5. The rotary type grating machine based sewage treatment system as claimed in claim 1, wherein the grating machine body comprises a frame body, a rotary grating plate is arranged in the frame body, and a driving mechanism for driving the rotary grating plate to rotate is arranged on the frame body.
6. The rotary grate-based sewage treatment system according to claim 5 wherein said driving mechanism comprises a driving motor, said driving motor drives said rotary grate plates to rotate through a transmission belt, and said supporting frame is provided with a tension wheel for tensioning said transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070667.9A CN112473230A (en) | 2021-01-19 | 2021-01-19 | Sewage treatment system based on rotary grating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110070667.9A CN112473230A (en) | 2021-01-19 | 2021-01-19 | Sewage treatment system based on rotary grating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112473230A true CN112473230A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110070667.9A Pending CN112473230A (en) | 2021-01-19 | 2021-01-19 | Sewage treatment system based on rotary grating machine |
Country Status (1)
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| CN (1) | CN112473230A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457253A (en) * | 2021-07-22 | 2021-10-01 | 仝会品 | Sewage treatment is with having filtration grid that rubbish scraped out structure |
| CN113735201A (en) * | 2021-08-30 | 2021-12-03 | 崔龙兴 | Rotary type grid trash remover |
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-
2021
- 2021-01-19 CN CN202110070667.9A patent/CN112473230A/en active Pending
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| RU160448U1 (en) * | 2015-03-20 | 2016-03-20 | Владимир Николаевич Горященко | DRUM LATTICE AUGER TYPE FOR WASTE WATER TREATMENT FROM MECHANICAL IMPURITIES |
| CN206407931U (en) * | 2017-01-05 | 2017-08-15 | 广州亨取金属制品有限公司 | A kind of high-efficiency sewage handles grid maker |
| CN106745415A (en) * | 2017-03-29 | 2017-05-31 | 青岛理工大学 | A kind of side-hole-type percolate grid device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457253A (en) * | 2021-07-22 | 2021-10-01 | 仝会品 | Sewage treatment is with having filtration grid that rubbish scraped out structure |
| CN113735201A (en) * | 2021-08-30 | 2021-12-03 | 崔龙兴 | Rotary type grid trash remover |
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Application publication date: 20210312 |