CN109626661B - Gravity type water purifying device - Google Patents
Gravity type water purifying device Download PDFInfo
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- CN109626661B CN109626661B CN201910076609.XA CN201910076609A CN109626661B CN 109626661 B CN109626661 B CN 109626661B CN 201910076609 A CN201910076609 A CN 201910076609A CN 109626661 B CN109626661 B CN 109626661B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
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Abstract
The invention relates to a gravity type water purifying device, which relates to the technical field of water purification treatment, and because the water purifying capacity of the existing water purifying device is not adjustable, the situation that purified water is still mixed with a plurality of particles is more likely to occur. The scheme sequentially comprises a flocculation area, a water purification sedimentation area and a fine filtration area along the water flow direction, wherein the water flow direction of the water purification sedimentation area is from bottom to top, a plurality of water purification channels which are arranged in an array are fixedly formed in the water purification sedimentation area, and the water purification channels are obliquely arranged; two parallel connecting frames are installed in the purified water sedimentation area, a plurality of adjusting sheets are fixedly connected between the two connecting frames, each adjusting sheet corresponds to one purified water channel, and the adjusting sheets pass through the corresponding purified water channels and are attached to the inner walls of the purified water channels; and a driving assembly is arranged in the water purification and sedimentation area. The driving component can enable the adjusting sheet to be attached to the inner wall of the water purifying channel or be far away from the inner wall, so that the hydraulic radius of the water purifying channel is changed, and the water purifying capacity is changed.
Description
Technical Field
The invention relates to the technical field of water purification treatment, in particular to a gravity type water purification device.
Background
At present, in water treatment engineering, in order to remove suspended matters in raw water and reduce turbidity, a water purification process of coagulating sedimentation filtration is generally adopted. Three basic processing units of flocculation, sedimentation and filtration are organically combined into a whole, which is called an integrated water purifier.
For example, the integrated water purifier with the application publication number of CN102153178A comprises a flocculation reaction zone, an inclined tube settling zone, a sludge concentration zone and a back washing zone, wherein an inclined tube is arranged in the inclined tube settling zone. The sewage to be purified is flocculated in the flocculation reaction zone, and is precipitated and separated in the inclined tube precipitation zone, the clear water flows upwards to the upper part of the inclined tube precipitation zone, and the sludge particles are precipitated to the sludge concentration zone. The inclined tubes are arranged in an array or inclined plates are arranged linearly in the inclined tube settling zone.
However, the above water purification methods have disadvantages, because the inclined pipes or inclined plates in the inclined pipe settling zone are fixed in the purification tank, the water purification capacity of the water purification device is fixed, and if the content of particulate matters in the sewage discharged into the purification tank is higher in a certain time period, the water purification device cannot realize water purification well, so that a large number of particulate matters are mixed in the discharged 'purified water'.
Disclosure of Invention
The invention aims to provide a gravity type water purifying device, which can change the water purifying capacity according to the actual condition, thereby better purifying the water quality when the content of particulate matters in sewage discharged into a purifying tank is higher.
The above object of the present invention is achieved by the following technical solutions:
a gravity type water purifying device sequentially comprises a flocculation area, a purified water sedimentation area and a fine filtration area along the water flow direction, wherein the water flow direction of the purified water sedimentation area is from bottom to top, a plurality of purified water channels which are arranged in an array mode are fixedly formed in the purified water sedimentation area, and the included angle between each purified water channel and the horizontal plane is 50-70 degrees; two parallel connecting frames are installed in the purified water sedimentation area, the purified water channel is positioned between the two connecting frames, a plurality of adjusting sheets are fixedly connected between the two connecting frames, each adjusting sheet corresponds to one purified water channel, the adjusting sheets penetrate through the corresponding purified water channels, and the adjusting sheets are attached to the inner walls of the purified water channels; the water purification sedimentation area is internally provided with a driving assembly for driving the two connecting frames to reciprocate along the horizontal linear direction, and when the connecting frames move along the horizontal linear direction, the adjusting sheet is separated from the joint with the water purification channel and divides the water purification channel into two channels; a quartz sand filling layer is arranged in the fine filtering area; a sludge collecting area is arranged below the water purification sedimentation area, and the communicating port of the water purification sedimentation area and the flocculation area is positioned above the sludge collecting area.
By adopting the technical scheme, the water purification channel which is obliquely arranged is arranged, so that the water purification channel is equivalent to a unit tank body, the sedimentation area is increased, and the solid-liquid separation efficiency is improved; on the other hand, because the water flow has a larger wet circumference and a smaller hydraulic radius in the water purification channel, the Reynolds number is smaller, the laminar flow effect is better than that without the water purification channel, the solid and the liquid can be better separated under the laminar flow condition, namely, the solid particles can be precipitated in a shorter path, and the solid-liquid separation efficiency is finally improved; moreover, because the water purifying channel forms an angle of 60 to 65 degrees with the horizontal plane, the separated particles can automatically slide into the sludge collecting area without a mud scraping device.
The drive assembly is used for driving the two connecting frames to reciprocate along the connecting line direction of the two mounting tables, so that the adjusting sheet is attached to or separated from a certain inner wall of the water purification channel, and when the adjusting sheet is far away from the inner wall to the limit position, the adjusting sheet separates the water purification channel into two inclined channels. Taking a single water purification channel as an example, the water purification channel is divided into two inclined channels, and then the following changes are carried out: the total wet circumference of the whole water purification channel is further enlarged, the hydraulic radius is also smaller, and the Reynolds number is also smaller, so that the laminar flow effect is better, and the water purification capacity is improved.
Through the arrangement, the water purifying capacity can be changed according to the actual condition, so that better water purification quality can be realized when the content of particulate matters in the sewage discharged into the purifying tank is higher.
The invention is further configured to: the shape of the water delivery section of the water purification channel is a regular hexagon, and a plurality of water purification channels are arranged in a crossed array mode.
Through adopting above-mentioned technical scheme, what a plurality of water purification passageway can be connected is more stable, firm.
The invention is further configured to: a plurality of water purification partition plates which are linearly arranged are fixed in the water purification precipitation area, and the space between every two adjacent water purification partition plates is a water purification channel.
Through adopting above-mentioned technical scheme, simple structure, but the effect is obvious.
The invention is further configured to: the adjusting sheet is abutted against the upper inner wall of the water purifying channel; the top of the purified water sedimentation area is communicated with a back flush water pipe.
Through adopting above-mentioned technical scheme, the water purification sedimentation zone is at the in-process that purifies sewage, and partial tiny particle can adhere on water purification passageway and the water purification accessory channel inner wall that leans on because gravity is less. Because the top of the water purification precipitation area is communicated with the back washing water pipe, the back washing water can back wash the water purification channel and the water purification auxiliary channel from top to bottom through the back washing water pipe, and particles adhered to the inner wall below the water purification channel and particles adhered to the inner wall below the water purification auxiliary channel are back washed.
When the water purification channel needs to be backwashed, the driving assembly can drive the connecting frame to move, and the adjusting sheet is attached to the inner wall, close to the water purification channel, of the water purification channel, at the moment, the wet circumference of the whole water purification channel is reduced, the hydraulic radius is increased, the Reynolds number is increased, more laminar flows are converted into turbulent flows, and the inner wall of the water purification channel is cleaned by water flows in a turbulent flow state.
Because the regulating sheet is abutted against one inner wall of the water purification channel, the small-mass particles are not easy to adhere to the regulating sheet; moreover, this also allows that when the flap is re-applied to an upper inner wall of the fresh water channel, less particles will be present in the gap between the flap and an upper inner wall of the fresh water channel.
The invention is further configured to: the water purification device also comprises a water purification tank, wherein the water purification sedimentation area is positioned in the water purification tank, two mounting platforms which are horizontally arranged at intervals are fixed in the water purification tank, the mounting platforms are fixed on the wall of the water purification tank, the water purification channel is fixedly arranged between the two mounting platforms, and two ends of the water purification channel close to the upper connecting frame are respectively erected on the upper sides of the two mounting platforms; be equipped with drive assembly in the clean water basin, drive assembly includes drive lever, driven lever, drive lever circumferential direction's driving motor, and the drive lever passes through gear connection with the driven lever, is fixed with the driving plate on the link, and the driven lever screw thread passes the driving plate, and the driven lever is along its axial fixity.
Through adopting above-mentioned technical scheme, when driving motor during operation, can drive link along rectilinear movement.
The invention is further configured to: the periphery of the driven rod is fixedly provided with two limiting blocks, the transmission plate is positioned between the two limiting blocks, and when the transmission plate is abutted against one side of one limiting block, the adjusting sheet is attached to the inner wall of the water purification channel; when the transmission plate is abutted against one side of the other limiting block, the water purifying channel is divided into two channels by the adjusting sheet.
Through adopting above-mentioned technical scheme, the stopper can restrict the link and excessively remove to protect the water purification passageway.
The invention is further configured to: install second honeycomb pipe chute filling part in the water purification settling zone, and second honeycomb pipe chute filling part is located between water purification settling zone and the intercommunication mouth and the water purification passageway in flocculation district, forms the water purification accessory channel that a plurality of slope set up in the second honeycomb pipe chute filling part.
Through adopting above-mentioned technical scheme, water purification passageway and water purification accessory channel all can purify sewage, through the dual purification, can improve quality of water.
The invention is further configured to: the hydraulic radius of the water purification auxiliary channel is larger than that of the water purification channel.
Through adopting above-mentioned technical scheme, then the laminar flow effect of water purification passageway is better, and water purification accessory channel belongs to the coarse purification, and the water purification passageway belongs to the fine purification.
In conclusion, the beneficial technical effects of the invention are as follows:
1. in the scheme, the water purifying capacity can be changed according to the actual condition, so that the water quality can be better purified when the content of particulate matters in the sewage discharged into the purifying tank is higher;
2. in this scheme, the removal of adjustment sheet can change the wet week of water purification passageway, hydraulic power radius, the reynolds number, can strengthen rivers and weaken the turbulent flow effect at the laminar flow effect of water purification passageway in other words, or weaken the laminar flow effect and strengthen the turbulent flow effect simultaneously, so can be according to concrete operating mode (water purification process, still back flush process), and adjust the removal of adjustment sheet, make the water purification in-process, the laminar flow effect reinforcing does benefit to solid-liquid separation, make the back flush in-process, the turbulent flow effect reinforcing does benefit to the particulate matter and drops from the water purification passageway inner wall.
Drawings
Fig. 1 is a schematic diagram of the first embodiment.
Fig. 2 is a schematic connection diagram of the first honeycomb inclined tube filling part and the connection frame in the first embodiment.
Fig. 3 is an exploded view of the first honeycomb inclined tube filling part and the connecting frame in the first embodiment.
Fig. 4 is a schematic diagram of the second embodiment.
Fig. 5 is a schematic view of the connection between the water purification partition plate and the connection frame in the second embodiment.
In the figure, 1, a flocculation area; 11. a flocculation tank; 12. a water inlet pipe; 13. a labyrinth plate; 14. a flocculation sludge discharge pipe; 2. a water purification and precipitation zone; 21. a clear water tank; 22. an installation table; 23. a first honeycomb inclined tube filling part; 24. a water purification channel; 25. a fixed table; 26. a second honeycomb inclined tube filling part; 27. a water purification secondary channel; 28. a water purification clapboard; 29. backwashing the water pipe; 3. a fine filtration zone; 31. a fine filtering tank; 32. a quartz sand filling layer; 33. a water outlet pipe; 4. a sludge collection area; 41. a clean water sludge discharge pipe; 5. a connecting frame; 51. a regulating sheet; 52. a drive plate; 6. a drive assembly; 61. a drive motor; 62. a driving lever; 63. a driven lever; 64. and a limiting block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1, the gravity type water purifying device disclosed by the present invention comprises a flocculation tank 11, a water purifying tank 21 and a fine filtration tank 31, wherein the water purifying tank 21 is located between the flocculation tank 11 and the fine filtration tank 31, a flocculation area 1 is arranged in the flocculation tank 11, a purified water sedimentation area 2 and a sludge collection area 4 are arranged in the water purifying tank 21, and a fine filtration area 3 is arranged in the fine filtration tank 31. The water flow passes through a flocculation zone 1, a purified water sedimentation zone 2 and a fine filtration zone 3 in sequence.
The internal fixation of flocculation basin 11 has the maze baffle 13 of vertical setting, and maze baffle 13 is used for separating into the rivers passageway of the shape of falling U with flocculation area 1, and the intercommunication has inlet tube 12 on the flocculation area 1, and inlet tube 12 is located the end of intaking of rivers passageway, and the play water end and the 2 intercommunications in clean water sedimentation district of rivers passageway. The bottom of flocculation district 1 is equipped with flocculation sludge discharge pipe 14, and flocculation sludge discharge pipe 14 is used for discharging the mud of flocculation district 1 bottom.
The water purification sedimentation zone 2 is positioned above the sludge collection zone 4, when sewage passes through the water purification sedimentation zone 2, solid and liquid are separated, solid particles are deposited in the sludge collection zone 4, the sludge collection zone 4 is in a bucket shape of linear arrangement, and a water purification sludge discharge pipe 41 is arranged in the bucket.
The water flow direction of the water purification settling zone 2 is from bottom to top, two mounting platforms 22 are fixed in the water purification settling zone 2, the two mounting platforms 22 are horizontally arranged at intervals, and the mounting platforms 22 are fixed on the wall of the water purification tank 21. A first honeycomb inclined tube filling part 23 is fixedly installed between the two installation platforms 22, the first honeycomb inclined tube filling part 23 is formed by arranging a plurality of honeycomb inclined tubes in a crossed array mode, a plurality of water purifying channels 24 which are arranged in a crossed array mode are formed, and the included angle between each water purifying channel 24 and the horizontal plane is 60-65 degrees.
It is worth to be noted that, because the water purification channel 24 which is obliquely arranged is arranged, the sedimentation area is increased in the unit tank body, so that the solid-liquid separation efficiency is improved; on the other hand, because the water flow has a larger wet circumference and a smaller hydraulic radius in the water purification channel 24, the Reynolds number is smaller, the laminar flow effect is better than that without the water purification channel 24, the solid and the liquid can be better separated under the laminar flow condition, namely, the solid particles can be precipitated in a shorter path, and the solid-liquid separation efficiency is finally improved; moreover, since the clear water channel 24 is at an angle of 60 to 65 degrees to the horizontal, the separated particles can automatically slide into the sludge collection zone 4 without the need for mud scraping equipment.
Two fixed platforms 25 are fixed in the water purification and precipitation area 2, and the two fixed platforms 25 are horizontally arranged at intervals. A second honeycomb inclined tube filling part 26 is fixedly installed between the two fixing platforms 25, the second honeycomb inclined tube filling part 26 is formed by arranging a plurality of honeycomb inclined tubes in a crossed array mode, a plurality of water purifying auxiliary channels 27 arranged in a crossed array mode are formed, and the included angle between each water purifying auxiliary channel 27 and the horizontal plane is 60 degrees. The water purification sub-channel 27 is located below the water purification channel 24, and the hydraulic radius of the water purification sub-channel 27 is larger than that of the water purification channel 24. The second honeycomb inclined tube filling part 26 can perform coarse precipitation on the sewage firstly, and the first honeycomb inclined tube filling part 23 can perform re-precipitation on the sewage, so that the solid-liquid separation efficiency is greatly improved through twice precipitation. Also, the water purifying sub-passage 27 and the water purifying passage 24 are inclined in the same direction.
Referring to fig. 1 and 2, two parallel connection frames 5 are installed in the purified water settling zone 2, the purified water channel 24 is located between the two connection frames 5, a plurality of inclined adjustment sheets 51 are fixedly connected between the two connection frames 5, the cross section of each adjustment sheet 51 is V-shaped (see fig. 3), each adjustment sheet 51 corresponds to one purified water channel 24, the adjustment sheet 51 passes through the corresponding purified water channel 24, and the adjustment sheets 51 are attached to the inner wall of the purified water channel 24. The both ends of the connecting frame 5 that is located the top are erected in the upside of two mount tables 22 respectively, install drive assembly 6 in the clean water basin 21, and drive assembly 6 is used for driving two connecting frames 5 along the line direction reciprocating motion of two mount tables 22 to make the laminating or the separation of certain inner wall of adjusting plate 51 realization and water purification passageway 24, when this inner wall was kept away from to extreme position to adjusting plate 51, adjusting plate 51 separated into two inclined passageways with water purification passageway 24. Taking a single water purifying channel 24 as an example, the water purifying channel 24 is divided into two inclined channels, and then the following changes are made: the total wet circumference of the whole water purification channel 24 is further enlarged, the hydraulic radius is also smaller, and the Reynolds number is also smaller, so that the laminar flow effect is better, and the water quality purification capacity is improved.
In the process of purifying sewage in the purified water sedimentation zone 2, a part of small particles can adhere to the lower inner walls of the purified water channel 24 and the purified water auxiliary channel 27 because of the smaller gravity. Since the top of the purified water settling zone 2 is communicated with the back-flushing water pipe 29, the back-flushing water can back-flush the purified water channel 24 and the purified water sub-channel 27 from top to bottom through the back-flushing water pipe 29, and particles adhered to the inner wall of the purified water channel 24 below and particles adhered to the inner wall of the purified water sub-channel 27 below are back-flushed.
When the water purification channel 24 needs to be backwashed, the driving assembly 6 can drive the connecting frame 5 to move, and the adjusting sheet 51 is attached to the upper inner wall of the water purification channel 24, at the moment, the wet circumference of the whole water purification channel 24 is reduced, the hydraulic radius is increased, the Reynolds number is increased, more laminar flows are converted into turbulent flows, and the inner wall of the water purification channel 24 is cleaned by water flows in a turbulent flow state.
Since the regulating sheet 51 abuts against an inner wall of the water purifying passage 24, the small-mass particles are not easily adhered to the regulating sheet 51; furthermore, this also allows that when the flap 51 is re-applied to an upper inner wall of the clean water channel 24, less particles will be present in the gap between the flap 51 and the upper inner wall of the clean water channel 24.
The drive assembly 6 includes: the device comprises a driving rod 62 erected on the wall of the purification tank, a driven rod 63 erected on the upper side of one of the installation platforms 22, and a driving motor 61 installed at the mouth of the purification tank and used for driving the driving rod 62 to rotate circumferentially, wherein the driving rod 62 is connected with the driven rod 63 through a gear. The upper side of the connecting frame 5 near one end of the driving assembly 6 is fixed with a driving plate 52, a driven rod 63 is threaded through the driving plate 52, and the driven rod 63 is fixed along the axial direction thereof. The driving motor 61 is operated to drive the link frame 5 to move in a straight line.
Two limit blocks 64 are fixedly sleeved on the periphery of the driven rod 63, and the transmission plate 52 is positioned between the two limit blocks 64. When the transmission plate 52 abuts against one side of one of the limit blocks 64, the adjusting sheet 51 is attached to the inner wall of the water purifying channel 24; when the transmission plate 52 abuts on the side of the other stopper 64, the regulating piece 51 divides the clear water passage 24 into two passages.
Referring to fig. 1, a quartz sand filling layer 32 is disposed in the fine filtering area 3, and the purified water at the top of the purified water settling area 2 can overflow into the fine filtering area 3, and is further purified by the quartz sand filling layer 32, and finally is discharged from a water outlet pipe 33 at the bottom of the fine filtering area 3.
The implementation principle of the embodiment is as follows: the sewage in the flocculation zone 1 can flow into the water purification tank 21, and then sequentially passes through the water purification sub-channel 27 and the water purification channel 24, finally overflows into the fine filter tank 31, is further purified by the quartz sand filling layer 32, and is discharged from the water outlet pipe 33.
When sewage flows in the water purification auxiliary channel 27, the water purification auxiliary channel 27 is obliquely arranged, so that the unit volume is equivalent to the unit volume, the sedimentation area is increased, and the solid-liquid separation efficiency is improved; on the other hand, because the water flow has a larger wet circumference and a smaller hydraulic radius in the water purification auxiliary channel 27, the Reynolds number is smaller, the laminar flow effect is better than that without the water purification auxiliary channel 27, the solid and the liquid can be better separated under the laminar flow condition, the solid particles can be precipitated in a shorter path, and the solid-liquid separation efficiency is finally improved; moreover, the separated particles can automatically slide into the sludge collecting area 4 without a mud scraping device.
In the same way, the water purification channel 24 also has the function of the water purification sub-channel 27, and the difference lies in that the inclination angle of the water purification channel 24 is larger, and because of the existence of the adjusting sheet 51, the laminar flow effect of the water purification channel 24 is better, the water purification sub-channel 27 belongs to coarse purification, and the water purification channel 24 belongs to fine purification.
Before backwashing is carried out, the connecting frame 5 can be moved, so that the adjusting sheet 51 is attached to the inner wall of one side of the water purification channel 24, the wet circumference of the water purification channel 24 is reduced, the turbulence effect is improved to some extent, and the washing of particles on the inner wall of the water purification channel 24 is facilitated.
Example two: referring to fig. 4, the gravity type water purifying device disclosed by the present invention comprises a flocculation tank 11, a water purifying tank 21 and a fine filtration tank 31, wherein the water purifying tank 21 is located between the flocculation tank 11 and the fine filtration tank 31, a flocculation area 1 is arranged in the flocculation tank 11, a purified water sedimentation area 2 and a sludge collection area 4 are arranged in the water purifying tank 21, and a fine filtration area 3 is arranged in the fine filtration tank 31. The water flow passes through a flocculation zone 1, a purified water sedimentation zone 2 and a fine filtration zone 3 in sequence.
The internal fixation of flocculation basin 11 has the maze baffle 13 of vertical setting, and maze baffle 13 is used for separating into the rivers passageway of the shape of falling U with flocculation area 1, and the intercommunication has inlet tube 12 on the flocculation area 1, and inlet tube 12 is located the end of intaking of rivers passageway, and the play water end and the 2 intercommunications in clean water sedimentation district of rivers passageway. The bottom of flocculation district 1 is equipped with flocculation sludge discharge pipe 14, and flocculation sludge discharge pipe 14 is used for discharging the mud of flocculation district 1 bottom.
The water purification sedimentation zone 2 is positioned above the sludge collection zone 4, when sewage passes through the water purification sedimentation zone 2, solid and liquid are separated, solid particles are deposited in the sludge collection zone 4, the sludge collection zone 4 is in a bucket shape of linear arrangement, and a water purification sludge discharge pipe 41 is arranged in the bucket.
The water flow direction of the water purification settling zone 2 is from bottom to top, two mounting platforms 22 are fixed in the water purification settling zone 2, the two mounting platforms 22 are horizontally arranged at intervals, and the mounting platforms 22 are fixed on the wall of the water purification tank 21. A plurality of water purification partition plates 28 which are linearly arranged at intervals are arranged between the two installation platforms 22, the water purification partition plates 28 are obliquely arranged, an included angle between each water purification partition plate 28 and the horizontal plane is 60-65 degrees, and a space between every two adjacent water purification partition plates 28 is a water purification channel 24. A plurality of connecting rods are fixedly connected between the two mounting platforms 22, and the water purification partition plate 28 is fixed between the mounting platforms 22 through the connecting rods.
It is worth to be noted that, because the water purification channel 24 which is obliquely arranged is arranged, the sedimentation area is increased in the unit tank body, so that the solid-liquid separation efficiency is improved; on the other hand, because the water flow has a larger wet circumference and a smaller hydraulic radius in the water purification channel 24, the Reynolds number is smaller, the laminar flow effect is better than that without the water purification channel 24, the solid and the liquid can be better separated under the laminar flow condition, namely, the solid particles can be precipitated in a shorter path, and the solid-liquid separation efficiency is finally improved; moreover, since the clear water channel 24 is at an angle of 60 to 65 degrees to the horizontal, the separated particles can automatically slide into the sludge collection zone 4 without the need for mud scraping equipment.
Referring to fig. 4 and 5, two parallel connection frames 5 are installed in the purified water settling zone 2, the purified water channel 24 is located between the two connection frames 5, a plurality of obliquely arranged adjustment sheets 51 are fixedly connected between the two connection frames 5, each adjustment sheet 51 corresponds to one purified water channel 24, the adjustment sheets 51 pass through the corresponding purified water channel 24, and the adjustment sheets 51 are attached to the inner wall of the purified water channel 24. The both ends of the connecting frame 5 that is located the top are erected in the upside of two mount tables 22 respectively, install drive assembly 6 in the clean water basin 21, and drive assembly 6 is used for driving two connecting frames 5 along the line direction reciprocating motion of two mount tables 22 to make the laminating or the separation of certain inner wall of adjusting plate 51 realization and water purification passageway 24, when this inner wall was kept away from to extreme position to adjusting plate 51, adjusting plate 51 separated into two inclined passageways with water purification passageway 24. Taking a single water purifying channel 24 as an example, the water purifying channel 24 is divided into two inclined channels, and then the following changes are made: the total wet circumference of the whole water purification channel 24 is further enlarged, the hydraulic radius is also smaller, and the Reynolds number is also smaller, so that the laminar flow effect is better, and the water quality purification capacity is improved.
In the purified water sedimentation region 2, during the process of purifying the sewage, a part of small particles will adhere to the lower inner wall of the purified water channel 24 because of the smaller gravity. Since the top of the purified water sedimentation zone 2 is communicated with the back-flushing water pipe 29, the back-flushing water can back-flush the purified water channel 24 from top to bottom through the back-flushing water pipe 29, and back-flush the particles adhered to the inner wall of the purified water channel 24 below.
When the water purification channel 24 needs to be backwashed, the driving assembly 6 can drive the connecting frame 5 to move, and the adjusting sheet 51 is attached to the upper inner wall of the water purification channel 24, at the moment, the wet circumference of the whole water purification channel 24 is reduced, the hydraulic radius is increased, the Reynolds number is increased, more laminar flows are converted into turbulent flows, and the inner wall of the water purification channel 24 is cleaned by water flows in a turbulent flow state.
Since the regulating sheet 51 abuts against an inner wall of the water purifying passage 24, the small-mass particles are not easily adhered to the regulating sheet 51; furthermore, this also allows that when the flap 51 is re-applied to an upper inner wall of the clean water channel 24, less particles will be present in the gap between the flap 51 and the upper inner wall of the clean water channel 24.
The drive assembly 6 includes: the device comprises a driving rod 62 erected on the wall of the purification tank, a driven rod 63 erected on the upper side of one of the installation platforms 22, and a driving motor 61 installed at the mouth of the purification tank and used for driving the driving rod 62 to rotate circumferentially, wherein the driving rod 62 is connected with the driven rod 63 through a gear. The upper side of the connecting frame 5 near one end of the driving assembly 6 is fixed with a driving plate 52, a driven rod 63 is threaded through the driving plate 52, and the driven rod 63 is fixed along the axial direction thereof. The driving motor 61 is operated to drive the link frame 5 to move in a straight line.
Two limit blocks 64 are fixedly sleeved on the periphery of the driven rod 63, and the transmission plate 52 is positioned between the two limit blocks 64. When the transmission plate 52 abuts against one side of one of the limit blocks 64, the adjusting sheet 51 is attached to the inner wall of the water purifying channel 24; when the transmission plate 52 abuts on the side of the other stopper 64, the regulating piece 51 divides the clear water passage 24 into two passages.
Referring to fig. 4, a quartz sand filling layer 32 is disposed in the fine filtering area 3, and the purified water at the top of the purified water settling area 2 can overflow into the fine filtering area 3, and is further purified by the quartz sand filling layer 32, and finally is discharged from a water outlet pipe 33 at the bottom of the fine filtering area 3.
The implementation principle of the embodiment is as follows: the sewage in the flocculation zone 1 can flow into the clean water tank 21, pass through the clean water channel 24, finally overflow into the fine filter tank 31, and be further purified by the quartz sand filling layer 32 and discharged from the water outlet pipe 33.
When sewage flows in the water purification channel 24, the water purification channel 24 is obliquely arranged, so that the unit volume is equivalent to the unit volume, the precipitation area is increased, and the solid-liquid separation efficiency is improved; on the other hand, because the water flow has a larger wet circumference and a smaller hydraulic radius in the water purification channel 24, the Reynolds number is smaller, the laminar flow effect is better than that without the water purification channel 24, the solid and the liquid can be better separated under the laminar flow condition, the solid particles can be precipitated in a shorter path, and the solid-liquid separation efficiency is finally improved; moreover, the separated particles can automatically slide into the sludge collecting area 4 without a mud scraping device.
Before backwashing is carried out, the connecting frame 5 can be moved, so that the adjusting sheet 51 is attached to the inner wall of one side of the water purification channel 24, the wet circumference of the water purification channel 24 is reduced, the turbulence effect is improved to some extent, and the washing of particles on the inner wall of the water purification channel 24 is facilitated.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A gravity type water purifying device is characterized in that: the device comprises a flocculation zone (1), a purified water sedimentation zone (2) and a fine filtration zone (3) in sequence along the water flow direction, wherein the water flow direction of the purified water sedimentation zone (2) is from bottom to top, a plurality of purified water channels (24) which are arranged in an array are fixedly formed in the purified water sedimentation zone (2), and the included angle between each purified water channel (24) and the horizontal plane is 50-70 degrees; two parallel connecting frames (5) are installed in the purified water sedimentation zone (2), the purified water channel (24) is positioned between the two connecting frames (5), a plurality of adjusting sheets (51) are fixedly connected between the two connecting frames (5), each adjusting sheet (51) corresponds to one purified water channel (24), the adjusting sheets (51) penetrate through the corresponding purified water channels (24), and the adjusting sheets (51) are attached to the inner wall of the purified water channels (24); a driving assembly (6) for driving the two connecting frames (5) to reciprocate along the horizontal linear direction is arranged in the water purification settling zone (2), and when the connecting frames (5) move along the horizontal linear direction, the adjusting sheet (51) is separated from the joint of the water purification channel (24) and divides the water purification channel (24) into two channels; a quartz sand filling layer (32) is arranged in the fine filtering area (3); a sludge collecting region (4) is arranged below the purified water sedimentation region (2), and the communicating port of the purified water sedimentation region (2) and the flocculation region (1) is positioned above the sludge collecting region (4); the adjusting sheet (51) is abutted against the upper inner wall of the water purifying channel (24); the top of the purified water sedimentation area (2) is communicated with a back flush water pipe (29).
2. A gravity fed water purification device according to claim 1, wherein: the shape of the water delivery section of the water purification channel (24) is regular hexagon, and a plurality of water purification channels (24) are arranged in a crossed array mode.
3. A gravity fed water purification device according to claim 1, wherein: a plurality of water purification partition plates (28) which are linearly arranged are fixed in the water purification sedimentation zone (2), and a space between every two adjacent water purification partition plates (28) is a water purification channel (24).
4. A gravity fed water purification device according to claim 1, wherein: the device is characterized by further comprising a water purification tank (21), wherein the water purification settling zone (2) is located in the water purification tank (21), two mounting platforms (22) which are horizontally arranged at intervals are fixed in the water purification tank (21), the mounting platforms (22) are fixed on the tank wall of the water purification tank (21), a water purification channel (24) is fixedly arranged between the two mounting platforms (22), and two ends of the water purification channel, which are close to the upper connecting frame (5), are respectively erected on the upper sides of the two mounting platforms (22); be equipped with drive assembly (6) in clean water basin (21), drive assembly (6) include drive lever (62), driven lever (63), drive lever (62) circumferential direction's driving motor (61), drive lever (62) pass through gear connection with driven lever (63), are fixed with driving plate (52) on link (5), and driven lever (63) screw thread passes driving plate (52), and driven lever (63) are along its axial fixity.
5. A gravity fed water purification device according to claim 4, wherein: two limit blocks (64) are fixed on the periphery of the driven rod (63), the transmission plate (52) is located between the two limit blocks (64), and when the transmission plate (52) abuts against one side of one limit block (64), the adjusting sheet (51) is attached to the inner wall of the water purification channel (24); when the transmission plate (52) abuts against one side of the other limiting block (64), the regulating sheet (51) divides the water purifying channel (24) into two channels.
6. A gravity fed water purification device according to claim 1, wherein: install second honeycomb pipe chute filling part (26) in water purification settling zone (2), and second honeycomb pipe chute filling part (26) are located between water purification settling zone (2) and flocculation district (1)'s intercommunication mouth and water purification passageway (24), form water purification accessory channel (27) that a plurality of slope set up in second honeycomb pipe chute filling part (26).
7. A gravity fed water purification device according to claim 6, wherein: the hydraulic radius of the water purification auxiliary channel (27) is larger than that of the water purification channel (24).
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| US7964101B2 (en) * | 2006-01-25 | 2011-06-21 | Q'max Solutions Inc. | Fluid treatment process |
| CN101002993A (en) * | 2006-12-25 | 2007-07-25 | 哈尔滨工业大学 | Multi-layered and variable-angle type tilted plate and tilted tube type settler with enhanced treatment effect |
| KR100773752B1 (en) * | 2007-01-23 | 2007-11-09 | 유니엔스(주) | Variable inclination type inclined settling device |
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