CN108706775A - A kind of water treatment system and processing method - Google Patents
A kind of water treatment system and processing method Download PDFInfo
- Publication number
- CN108706775A CN108706775A CN201810593384.0A CN201810593384A CN108706775A CN 108706775 A CN108706775 A CN 108706775A CN 201810593384 A CN201810593384 A CN 201810593384A CN 108706775 A CN108706775 A CN 108706775A
- Authority
- CN
- China
- Prior art keywords
- filter
- water
- sewage
- pipe
- aeration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention discloses a kind of water treatment system and processing method, wherein water treatment system includes sewage water inlet pipe, aerator and filter.Sewage water inlet pipe is for being passed through sewage;Aerator includes aeration bucket and communicating pipe, aeration board is arranged in the top for being aerated bucket, and aeration board is provided with several limbers for increasing the air in sewage, and aeration bucket is connected to sewage water inlet pipe, sewage can from top to bottom wash away aeration board, be aerated the bottom connection communicating pipe of bucket.Water inlet and discharge outlet are offered on filter, water inlet is arranged in the top of discharge outlet, and water inlet is connect with one end of bottom of the communicating pipe far from aeration bucket, and the position of water inlet is less than the bottom of aeration bucket.The present invention also provides a kind of processing methods applied to above-mentioned water treatment system, without launching coagulant, good sewage processing effect.
Description
Technical field
The present invention relates to water treatment field more particularly to a kind of water treatment systems and processing method.
Background technology
Water resource is one of the resource to human survival most critical.And now ecological environment goes to pot, water pollution increasingly
Seriously, it is realization sustainable development, water technology is particularly important.
In water technology, the step of Aerobic Process for Treatment key is carried out to sewage, needs that air is mostly melted into dirt as far as possible
In water, the oxygen content in sewage could be increased, enough oxygen is provided for the aerobic microbiological in sewage.But the prior art
Water treatment system be usually in cesspool bottom a large amount of compressed airs to be passed through into treatment sewage during aeration, be
Aerobic microbiological in sewage provides enough oxygen, using such mode, due to being to be passed through compressed air in cesspool bottom,
So that the sewage far from basin bottom can not come into full contact with air, causes the amount of oxygen in sewage insufficient, be easy to cause sewage
In aerobic microbiological removal be not thorough, reduce the effect of sewage disposal.
Invention content
It is an object of the present invention to:A kind of water treatment system is provided, without launching coagulant, wastewater treatment efficiency
It is good.
It is another object of the present invention to:A kind of water treatment system is provided, service life is long.
Another object of the present invention is:A kind of processing method is provided, without launching coagulant, wastewater treatment efficiency
It is good.
To reach this purpose, the present invention uses following technical scheme:
A kind of water treatment system is provided, including:
Sewage water inlet pipe, for being passed through sewage;
Aeration board, the aeration board setting is arranged in the top of aerator, including aeration bucket and communicating pipe, the aeration bucket
There are several limbers for increasing the air in the sewage, the aeration bucket to be connected to the sewage water inlet pipe, the dirt
Water can from top to bottom wash away the aeration board, and the bottom of the aeration bucket is connected to the communicating pipe;
Filter offers water inlet and discharge outlet on the filter, and the water inlet is arranged in the discharge outlet
Top, the water inlet is connect with one end of bottom of the communicating pipe far from the aeration bucket, and the position of the water inlet
Less than the bottom of the aeration bucket.
As a kind of preferred technical solution of the water treatment system, the communicating pipe includes first pipe and second
Pipeline, one end of the first pipe connects with the bottom of the aeration bucket, the lower end of other end connection second pipe, and described the
The upper ends of two pipelines is connected to the water inlet, the flow direction of the sewage in the first pipe be from top to bottom, it is described
The flow direction of the sewage in second pipe is from the bottom to top.
As a kind of preferred technical solution of the water treatment system, the internal diameter of the aeration bucket, first pipe
The internal diameter of the internal diameter in road and the second pipe becomes smaller successively.
As a kind of preferred technical solution of the water treatment system, the aerator further includes being arranged described
The water butt being aerated in bucket, the open end of the water butt is higher than the open end of the aeration bucket, and the aeration board setting is in institute
The open end of water butt is stated, the water butt is connected to the sewage water inlet pipe.
As a kind of preferred technical solution of the water treatment system, the filter includes filter vat, the mistake
Lauter tub is provided with filter layer between the water inlet and the discharge outlet.
As a kind of preferred technical solution of the water treatment system, support orifice plate, institute are set in the filter vat
The top that support orifice plate is arranged at intervals on the bottom of the filter vat is stated, the discharge outlet is located at the lower section of the support orifice plate,
The water inlet is located at the top of the support orifice plate, and supporting layer group, third filter layer, the are set gradually on the support orifice plate
Two filter layers and the first filter layer, wherein the grain size of the filter medium of first filter layer is more than second filter layer
The grain size of filter medium, the grain size of the filter medium of second filter layer are more than the grain of the filter medium of the third filter layer
The grain size of diameter, the filter medium of the supporting layer group from top to bottom becomes larger successively.
Further include back purge system as a kind of preferred technical solution of water treatment system, the backwash dress
It sets and is connected to the water inlet of the filter, when the filter layer in the filter is blocked by impurity and makes the filter
When interior air pressure is less than external pressure, the back purge system extracts the water in the filter by the water inlet, with reality
Filter layer described in water backward erosion in the existing filter.
As a kind of preferred technical solution of the water treatment system, clear water disk, institute are provided with outside the filter
Clear water disk to be stated to be connected to the discharge outlet, the back purge system includes exhaust tube, siphon destructing tube and backwash tube,
In,
One end of the backwash tube is connected to the water inlet, and the other end is connected to sump;
One end of the siphon destructing tube is connected to the backwash tube, and the other end is connected to the clear water disk;
One end of the exhaust tube is connected to the backwash tube, and the other end is connected to the sump.
Further include medicine storing drum as a kind of preferred technical solution of the water treatment system, the one of the clear water disk
End is connected with clear water discharge pipe, and the medicine storing drum is arranged in the top of the clear water discharge pipe, and the medicine storing drum with it is described clear
Water discharge pipe is selectively connected to.
The present invention also provides a kind of processing methods, are applied to above-mentioned water treatment system, the sewage of sewage water inlet pipe is by upper
The aeration board of aerator is washed away under, the sewage separation is the tiny flow of multiply and sky by the limbers on the aeration board
Gas comes into full contact with, and air incorporates the sewage and merges to form the first impurity bubble with the impurity in the sewage, and described first is miscellaneous
Matter bubble within communicating pipe mutually unite to form the second impurity bubble by collision, and the second impurity bubble enters filtering in filter, wherein
The weight of the second impurity bubble is more than the weight of first impurity bubble.
Beneficial effects of the present invention are:By the way that several limbers are arranged on aeration bucket, sewage enters from sewage water inlet pipe
Onto aeration board, sewage is divided into after several thin flows or thin water curtain by the limbers on aeration board and being dropped in aeration bucket,
Thin flow or thin water curtain come into full contact with during dropping to aeration bucket with air so that the fully oxidized sewage of oxygen in air
In ammonia nitrogen or so that oxygen is come into full contact with aerobic microbiological.When sewage drops into aeration bucket, it can be formed in aeration bucket high
The micro-bubble of dispersion is spent, the micro-bubble being more advantageous in sewage is united with impurity, and forms the miscellaneous of volume and weight bigger
Matter is steeped, and the effect of filtering is promoted.
Description of the drawings
Below according to drawings and examples, invention is further described in detail.
Fig. 1 be status diagram when water treatment system described in embodiment handles sewage.
Fig. 2 is status diagram when water treatment system is to backwashing described in embodiment.
Fig. 3 is the vertical view of water treatment system described in embodiment.
Fig. 4 is that aeration board described in embodiment is illustrated with the mounting structure of the aeration bucket and the water butt.
In figure:
1, aerator;11, it is aerated bucket;12, aeration board;13, limbers;14, baffle;15, connecting tube;16, the first pipe
Road;17, second pipe;
2, sewage water inlet pipe;21, water butt;
3, medicine storing drum;31, drug liquid tube;32, liquid valve;33, liquid pipe fitting;
4, filter;41, filter vat;42, discharge outlet;43, the first filter layer;44, the second filter layer;45, third filters
Layer;46, the first support is layered;47, the second support is layered;48, third support is layered;49, the 4th support is layered;
5, bilge discharge pipe;
6, backwash tube is forced;61, switch valve;
7, clear water discharge pipe;71, clear water disk;
8, back purge system;81, the first backwash tube;82, the second backwash tube;83, siphon destructing tube;84, exhaust tube;
85, the first suction branch;86, the second suction branch;
9, sump.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1-4, wherein Fig. 1 is the status diagram when water treatment system handles sewage, figure
In arrow be flow direction head;Fig. 2 be the water treatment system to backwash when status diagram, the arrow in figure is
The direction head of flow.In this present embodiment, this water treatment system includes sewage water inlet pipe 2, aerator 1 and filter 4:Its
In, sewage water inlet pipe 2 includes aeration bucket 11 and communicating pipe for being passed through sewage, aerator 1, and the top of the aeration bucket 11 is set
Aeration board 12 is set, the aeration board 12 is provided with several limbers 13 for increasing the air in sewage.The aeration bucket 11
It is connected to the sewage water inlet pipe 2, the sewage can from top to bottom wash away the aeration board 12, and the bottom of the aeration bucket 11 connects
Lead to the communicating pipe.Water inlet and discharge outlet 42 are offered on the filter 4.The water inlet is arranged in the discharge outlet 42
Top, the water inlet and the communicating pipe one end of the bottom far from the aeration bucket 11 connect, and the water inlet
Bottom of the position less than the aeration bucket 11.
By the way that several limbers 13 are arranged on aeration board 12, and sewage can from top to bottom wash away the aeration board 12 simultaneously
It enters in aeration bucket 11, sewage comes into full contact with air during this.Specifically, the limbers 13 on aeration board 12 will be dirty
Moisture is dropped at the tiny flow of multiply or thin water curtain in aeration bucket 11, and thin flow or thin water curtain drop to the mistake for being aerated bucket 11
Come into full contact with air in journey so that oxygen in air in sewage ammonia nitrogen or aerobic microbiological contact.Sewage falls
When to aeration bucket 11, the micro-bubble of high degree of dispersion is formed in aeration bucket 11, micro-bubble is adhered to dirt in aeration bucket 11
The impurity in impurity or micro-bubble package sewage in water forms the first impurity bubble, and the first impurity bubble enters company with flow
In siphunculus, the first impurity bubble within communicating pipe mutually unite and form the second impurity bubble by collision, wherein what the second impurity steeped
Weight and volume of the weight and volume than the first impurity bubble is big, and coagulant need not be launched in water treatment system can also incite somebody to action
Miscellaneous first impurity bubble unites to form larger the second impurity bubble of volume and weight, by filter 4 by contaminant filter.Due to aeration
The bottom of bucket 11 is connected to communicating pipe, and water inlet is connect with one end of bottom of the communicating pipe far from aeration bucket 11, the second impurity bubble
It is entered in filter 4 along the water (flow) direction in communicating pipe under flow action, it is using filter 4 that second in sewage is miscellaneous
Matter bubble is stopped that the second impurity bubble is blocked at the filter layer of water inlet, and residual impurity then passes sequentially through filtering
The filter layer of device 4 is filtered, and free from foreign meter or impure less clear water finally is discharged from discharge outlet 42.It is designed by this,
So that most of impurity in sewage is formed the bubble blocking of the second impurity at the filter layer of water inlet, only a small amount of is miscellaneous
Matter is filtered by filter layer, is effectively improved filter effect.In order to make aeration board 12 uniformly across sewage, the limbers
13 are uniformly distributed on aeration bucket 11.It should be noted that, impurity described in the present embodiment refer to suspended matter in sewage,
Grain, microorganism etc..
The maximum difference of water treatment system of the present invention and traditional water treatment system is, at water of the invention
Reason system is entered back into aeration bucket 11 after first coming into full contact with sewage and air.Sewage enters exposure from aeration board 12
When gas bucket 11, a large amount of micro-bubble can be generated in the inside of aeration bucket 11, be adhered to using the micro-bubble in aeration bucket 11
The surface of impurity in sewage or micro-bubble wrap up the impurity in sewage, and form the first impurity bubble, the first impurity steep into
Larger the second impurity bubble of volume and weight is formed after entering into communicating pipe mutually collision, then is obtained by filtration and is free of by filter 4
Impurity or impure less clear water, greatly improve filter effect.
The communicating pipe includes first pipe 16 and second pipe 17, one end of the first pipe 16 and the aeration bucket
11 bottom connection, the other end are connected to the lower end of second pipe 17.The upper end of the second pipe 17 is connected to the water inlet, institute
The flow direction for stating the sewage in first pipe 16 is from top to bottom that the flow direction of the sewage in the second pipe 17 is served as reasons
Under it is supreme.Internal diameter, the internal diameter of the first pipe 16 and the internal diameter of the second pipe 17 of the aeration bucket 11 become smaller successively.
The internal diameter that aeration bucket 11 is arranged is more than the internal diameter of first pipe 16, after involvement has the sewage of air to enter first pipe 16, the
The quantity of the first impurity bubble in the unit space of one pipeline 16 increases so that the micro-bubble in the sewage of first pipe 16
First impurity bubble is mutually collided, the probability that the first contaminating air bubbles mutually collide is increased, and unites and to be formed finally by first
Impurity bubble becomes the second impurity bubble.The buoyancy of second impurity bubble is more than gravity and downward the sum of resistance so that the second impurity
Bubble is by upward resultant force, so that the second impurity bubble floats.Second impurity is steeped band by faster flow in first pipe 16
Enter into second pipe 17, the internal diameter of first pipe 16 is stated since the internal diameter of the second pipe 17 is less than, second pipe 17
The quantity of the second impurity bubble in unit space increases, and the flow direction of the sewage in second pipe 17 is from the bottom to top the
The micro-bubble in sewage in two pipelines 17 pair the second impurity bubble during floating collides, and makes micro-bubble
It unites to form the larger impurity colloid of volume and weight with the second impurity bubble.And in the process, in second pipe 17
Micro-bubble in sewage can also be united with the first impurity bubble that do not unite in sewage during floating and form the
Two impurity steep, and increase the quantity of the second impurity bubble.Under flow action, impurity colloid is entered with sewage in filter 4, impurity
Colloid is blocked at the filter layer of water inlet, and the filter layer that residual impurity then passes sequentially through filter 4 is filtered,
Free from foreign meter or impure less clear water finally is discharged from discharge outlet 42.Pass through this design so that the major part in sewage is miscellaneous
Matter is formed impurity colloid and is blocked at the filter layer of water inlet, and only a small amount of impurity is filtered by filter layer, is had
Improve filter effect to effect.
In the present embodiment, one end of the first pipe 16 is provided with casing, and the first pipe 16 is close to the set
One end of pipe extends in described sleeve pipe, and 16 side wall of the first pipe is arranged with described sleeve pipe sidewall spacers, and described first
Gap between 16 side wall of pipeline and described sleeve pipe side wall forms the second pipe 17.
Wherein, between the second pipe 17 and the filter 4 have connecting tube 15, one end of the connecting tube 15 with
The water inlet connection, the other end are connected to the second pipe 17.The setting of connecting tube 15 so that sewage is from second pipe 17
It is flow in filter 4 by connecting tube 15, and then micro-bubble and impurity colloid is driven to be passed into filter 4.
In other examples, U-tube, one end of U-tube and the aeration bucket 11 be may be arranged as communicating pipe
Bottom connects, and the other end is connect with filter 4, and internal diameter of the U-tube close to one end of filter 4 is less than U-tube close to institute
The internal diameter of one end of aeration bucket 11 is stated, and internal diameter of the U-tube close to one end of the aeration bucket 11 is less than the aeration bucket
11 internal diameter.By above-mentioned U-tube also pair the second impurity bubble during floating of the micro-bubble in sewage can carry out
Collision or the second impurity bubble are mutually collided with the second impurity bubble, and are united and to be formed impurity colloid.
Wherein, the aerator 1 further includes the water butt 21 being arranged in the aeration bucket 11.In the aeration bucket 11
There is storage chamber between water butt 21.The open end of the water butt 21 is described higher than the open end for being aerated bucket 11
Aeration board 12 is arranged in the open end of the water butt 21, and the water butt 21 is connected to the sewage water inlet pipe 2.Preferably,
Water butt 21 is arranged in the centre position of the aeration bucket 11 so that annular is formed between aeration bucket 11 and water butt 21
Storage chamber.Pending sewage is passed through into water butt 21 by sewage water inlet pipe 2, when the sewage in water butt 21 is filled with
Afterwards, sewage overflows from the open end of water butt 21 and passes through the limbers 13 on aeration board 12, limbers 13 by sewage separation at
The tiny flow of multiply water, and sewage can also form thin water curtain by the outer edge of aeration board 12.Due to opening for water butt 21
Mouth end is higher than the open end for being aerated bucket 11, and aeration board 12 is arranged in the open end of the water butt 21 so that aeration board 12
There is a certain distance between aeration bucket 11, when tiny flow and thin water curtain drop into aeration bucket 11 from aeration board 12
In the process, tiny flow and thin water curtain come into full contact with air, while a large amount of air incorporates in sewage, in aeration bucket 11
Form a large amount of micro-bubble.The aeration board 12 is consolidated the setting of 12 water butt 21 of the aeration board by the setting of water butt 21
While determining, facilitates and flow to sewage in aeration bucket 11 by limbers 13, enhance the operability of the water treatment system.
Distance carries out specific according to the size of limbers 13 between the aeration board 12 and the open end of the aeration bucket 11
Setting, to ensure that the sewage of limbers 13 passed through can come into full contact with air, while being dropped in thin flow and thin water curtain
A large amount of micro-bubble is formed when in aeration bucket 11.In the present embodiment, the opening of the aeration board 12 and the aeration bucket 11
The distance between end is 50mm.
Wherein, aeration board 12 can be fixed on the open end of water butt 21 by snap component, can also be fixed by screw
It is structure as a whole in the open end of water butt 21, or by aeration board 12 and the open end design of water butt 21, the present embodiment
In, aeration board 12 and the installation form of water butt 21 are not limited.
In the present embodiment, the aeration board 12 is made of stainless steel.But aeration board 12 is not limited to stainless steel
It is made, can also be to be made of materials such as plastics or glass.Preferably, the aperture of the limbers 13 is 3mm, the exposure
The porosity of gas plate 12 is 50%.The aperture of limbers 13 is not limited to above-mentioned setting, in actual use aeration board 12
The pore size in bucket water hole can be arranged according to actual needs.
In order to avoid overflowing to aeration bucket by the outer edge of aeration board 12 during by aeration board 12 in sewage
The outer edge of 11 outside, the aeration board 12 prevents sewage from being flowed from water butt 21 without departing from the side wall of the aeration bucket 11
External overflow to from the process for being aerated bucket 11 to aeration bucket 11.But prevent sewage from aeration bucket 11 external overflow simultaneously
It is not limited to above-mentioned setting, in other examples, can also be arranged in side of the aeration board 12 far from the aeration bucket 11
Vertically extend baffle 14, enclosed using baffle 14 and be set as cavity body structure, prevent outer edge overflow of the sewage from aeration board 12,
With ensure from bucket water hole by sewage all drop into aeration bucket 11 inside.Specifically, the aeration board 12 is tied in a ring
Structure, the centre bore of the aeration board 12 are set in the open end of the water butt 21 so that sewage in water butt 21 is from water storage
The circumference of the open end of bucket 21 flows on aeration board 12.
As a kind of preferred technical solution of the water treatment system, the filter 4 includes filter vat 41, described
Filter vat 41 is provided with filter layer between the water inlet and the discharge outlet 42.Make under the action of flow impurity colloid into
Enter into filter vat 41, setting filter layer so that impurity colloid is blocked on filter layer, to obtain free from foreign meter or impurity compared with
Few clear water.It is buffered since sewage enters water velocity in filter vat 41, in filter vat 41, the speed of bubble floating
More than the speed of flow, the impurity of bubble and its package floats to water surface row and forms foam.In the present embodiment, the filter layer
By supporting orifice plate to be fixed on the side wall of filter vat 41.It in other examples can also be solid by adhesive, screw etc.
It is scheduled on the side wall of filter vat 41.
Setting support orifice plate in the filter vat 41, the support orifice plate are arranged at intervals on the upper of the bottom of the filter vat
Side, the discharge outlet 42 are located at the lower section of the support orifice plate, and the water inlet is located at the top of the support orifice plate, the branch
Supporting layer group, third filter layer 45, the second filter layer 44 and the first filter layer 43 are set gradually on support orifice plate.Wherein, described
The grain size of the filter medium of one filter layer 43 is more than the grain size of the filter medium of second filter layer 44, second filter layer
The grain size of 44 filter medium is more than the grain size of the filter medium of the third filter layer 45, the filter medium of the supporting layer group
Grain size from top to bottom become larger successively.First with the impurity glue that 43 volume of the first filter layer of the larger filter medium of grain size is larger
Body is obstructed on the first filter layer 43.After the impurity of small volume passes through the first filter layer 43, the smaller mistake of grain size is utilized
The impurity that second filter layer 44 of filter medium is slightly smaller to volume obstructs, and the smaller impurity of volume passes through the second filter layer 44
Afterwards, the smaller impurity of volume is obstructed using the grain size of filter medium smaller third filter layer 45, promotes filter effect,
And reduce the blocked possibility of filter layer.The setting of supporting layer group is mainly used for the first filter layer 43 and the second mistake
Filtering layer 44, third filter layer 45 are supported effect.The grain size of the filter medium of supporting layer group is from top to bottom become larger successively and is set
It sets, for preventing the filtrate in supporting layer group from, by supporting orifice plate to flow away, being protected to supporting layer group, while also keeping away by flow
Exempt from the bottom that filtrate enters filter vat 41.
Specifically, the thickness of the first filter layer 43 is 400mm, and the grain size of filter medium is 0.8-1.6mm;Second filter layer
44 thickness is 300mm, and the grain size of filter medium is 0.5-1.0mm;The thickness of third filter layer 45 is 100mm, filter medium
Grain size be 0.2-0.5mm.
In the present embodiment, supporting layer group is made of four layers of support layering, and each support lift height is equal, is 70mm.
Supporting layer group is from top to bottom followed successively by the first support and is layered the 46, second support layering 47, the layering 48 of third support and the 4th support
Layering 49.Wherein, the grain size of the filter medium of the first support layering 46 is 0.5-1.0mm, and the filtering of the second support layering 47 is situated between
The grain size of matter is 1.0-2.0mm, and the grain size of the filter medium of third support layering 48 is 2.0-4.0mm, the 4th support layering 49
The grain size of filter medium be 4.0-8.0mm, pass through the second support and be layered the filter medium of 47 pair of first support layering 46 and carry out
Barrier avoids the filter medium of the first support layering 46 from entering in the second support layering 47, and the filtering of the second support layering 47 is situated between
Matter is obstructed by the hole of third support layering 48, while the hole of the 4th support layering 49 is to third support layering 47
Filter medium is obstructed, by this design, using the filter medium of the smaller support layering of the grain size of filter medium to filtering
The filter medium of the larger support layering of grain size of medium is obstructed, and the filtering in filtering in each support layering is prevented to be situated between
Matter drops to the bottom of filter vat 41 with flow by the filter hole in support orifice plate, with the increasing for the time that filter 4 uses
The reduction grown without leading to medium in filter layer.Preferably, the first support is layered the 46, second support layering 47, third support
The filter medium of layering 48 and the 4th support layering 49 is magnetic iron ore.Be arranged magnetic iron ore can to the iron in water from
Son absorption, ensures the degree of purity to sewage water filtration.It is worth noting that, each layer filter layer thickness and filter medium grain size simultaneously
It is not limited to above-mentioned setting, actual in use, the thickness of each layer filter layer and the grain size of filter medium can be according to practical feelings
Condition is configured.
Wherein, first filter layer 43 is anthracite filter layer, and the second filter layer 44 is quartz sand filtration layer, third mistake
Filtering layer 45 is magnetic iron ore filter layer.By anthracite filter layer, quartz sand filtration layer and magnetic iron ore filter layer, effectively go
Except the impurity in sewage, wherein the gap between support orifice plate and 41 bottom of filter vat forms clear water exhalant canal.The water inlet
Mouth is arranged at the top of the filter vat 41, and the side wall in the filter vat 41, and the discharge outlet is arranged in the discharge outlet 42
42 are connected to clear water exhalant canal.Preferably, the discharge outlet 42 is arranged in the corresponding filtering of the clear water exhalant canal
On the side wall of bucket 41.
For the sewage to be filtered of the storage in the filter vat 41, the water inlet and anthracite filter layer interval
Setting in the filter vat 41 to form water space.
The water treatment system further includes back purge system 8, the back purge system 8 and the filter 4 it is described into
The mouth of a river is connected to, when the filter layer in the filter 4 is blocked by impurity and the air pressure in the filter 4 is made to be less than external pressure
When, the back purge system 8 extracts the water in the filter 4 by the water inlet, to realize in the filter 4
Filter layer described in water backward erosion.The setting of back purge system 8 is mainly used for backwashing filter 4, will filter
Impurity in bucket 41 is removed, to ensure the normal use of the water treatment system.
It is provided with clear water disk 71 outside the filter vat 41, the clear water disk 71 is connected to the discharge outlet 42, the recoil
Cleaning device 8 includes exhaust tube 84, siphon destructing tube 83 and backwash tube.Wherein, one end of the backwash tube with it is described into
The mouth of a river is connected to, and the other end is connected to the sump 9.One end of the siphon destructing tube 83 is connected to the backwash tube, separately
One end is connected to the clear water disk 71.One end of the exhaust tube 84 is connected to the backwash tube, the other end and the sewage
Slot 9 is connected to.As the impurity for obstructing on the filter layer in filter 4 and adsorbing increases, the hole of each filter layer will be by
It is decrescence small, and not by the resistance of the flow of the first filter layer 43, the second filter layer 44, third filter layer 45 and supporting layer group
It is disconnected to increase, also reduced by the water amount of support orifice plate, when being less than into the water amount of water inlet by the water amount of filter layer,
Water level in filter vat 41 will be gradually increasing, and be entered in backwash tube from water inlet.When the water level in backwash tube reaches
When exhaust tube 84 is at the nozzle of the connection of backwash tube, flow, which enters in exhaust tube 84, is discharged to bilge discharge pipe 5,
During this, air in exhaust tube 84 by out of exhaust tube 84 by flow be discharged, the water of discharge is as piston pumping
Air in tracheae 84 is discharged to reduce the air pressure drop in backwash tube, so that the water level in backwash tube is continued by siphonage
Rise and flow out in sump 9, in the process by flow drive filter vat 41 in impurity and foam be discharged to sewage
In slot 9, and it is discharged from bilge discharge pipe 5 to realize the water backward erosion filter layer in the filter 4.Carrying out backwash behaviour
When making, one end that siphon destructing tube 83 is connected to clear water disk 71 is immersed in the water of clear water disk 71, and it is anti-to ensure that air will not enter
In flush pipe so that be in the state of negative pressure in backwash tube, during backwash, the water in clear water disk 71 constantly passes through
Water outlet flows in filter vat 41, and the water level in clear water disk 71 reduces, when the water level in clear water disk 71 is less than siphon destructing tube 83
Nozzle when, one end that siphon destructing tube 83 is connected to clear water disk 71 is exposed the surface and air communication, and air is from siphon destructing tube
83 enter in exhaust tube 84, and the air pressure inside backwash tube increases with the length growth of air column in backwash tube, when
When air pressure inside backwash tube is greater than or equal to external air pressure, the sewage in filter vat 41 stops being discharged from backwash tube,
Complete the operation of the backwash to filter 4.When increasing for the impurity with the filter layer in filter vat 41, the hole in filter layer
Gap becomes smaller, and the water level in filter vat 41 rises, then carries out the operation of above-mentioned backwash automatically again.By above-mentioned design,
Filter 4 is backwashed automatically, the automatic impurity and foam removed in filter 4 avoids impurity from blocking
Filtering layer extends the service life of the water treatment system.Specifically, in use, the backwash tube connects with sump 9
Logical one end is immersed in the water of sump 9, ensures that sewage can be discharged to from one end that sump 9 is connected to during backwash
In sump 9, and one end that air will not be connected to from one end that sump 9 is connected to enters.Exhaust tube 84 is connected to sump 9
One end is immersed in the water of sump 9, ensure exhaust tube 84 in air smoothly discharge without have air from exhaust tube 84 with
One end that sump 9 is connected to enters.Pass through above-mentioned design, it is ensured that the water treatment system can automatically carry out backwash behaviour
Make, ensures the spatter property of the filter 4, extend the service life of the water treatment system.
The backwash tube includes the first backwash tube 81 and the second recoil being connected to first backwash tube 81
Wash pipe 82.The one end of first backwash tube 81 far from the second backwash tube 82 is connected to the water inlet of filter 4, the second backwash
The one end of pipe 82 far from the first backwash tube 81 is connected to the bilge discharge pipe 5.In order to make when being backwashed, recoil
Sewage in washing successfully flows to the top of backwash tube, and the caliber of the second backwash tube 82 is less than first backwash tube 81
Caliber, ensure when being backwashed, the water full packages of the second backwash tube 82 runs to drain inner air tube.At this
In embodiment, exhaust tube 84 is connected to the first backwash tube 81.
Preferably, it is provided with the first suction branch 85 and the second suction branch 86 on the exhaust tube 84, described first
One end of suction branch 85 is connected to the top of the first backwash tube 81, and the other end is connected to the non-end of suction branch;Second
One end of branch pipe is connected to the first backwash tube 81 close to one end of second backwash tube 82, the other end and exhaust tube 84
Connection.The setting of exhaust tube 84 and the second backwash tube 82, in the 82 one of generation of exhaust tube 84 and the second backwash tube
The case where blocking, sewage can be discharged by another, it is ensured that backwash is smoothed out.
In the present embodiment, siphon destructing tube 83 is connected to the top of the first backwash tube 81, in other examples,
Siphon destructing tube 83 can select the position being suitably connected to height according to the physical length of backwash tube on backwash tube.
The water treatment system further includes forcing back purge system.When the water level in filter vat 41 is less than backwashing water bit line
When, using forcing back purge system to backwash filter 4, ensure the cleaning inside filter 4.Force backwash dress
The setting set can at any time backwash filter 4, do not need to water level in bucket 41 to be filtered reach exhaust tube 84 with it is anti-
At the nozzle of the connection of flush pipe.Specifically, the pressure back purge system includes forcing backwash tube 6, the pressure recoil
The one end for washing pipe 6 is connected to the sewage water inlet pipe 2, and the other end is connected to 84 selectivity of the exhaust tube, the pressure recoil
It washes pipe 6 and is provided with switch valve 61 between the sewage water inlet pipe 2 and the exhaust tube 84.Controlling switch valve 61 is so that force
Backwash tube 6 is respectively communicated with sewage water inlet pipe 2 and exhaust tube 84, connection of the sewage from sewage water inlet pipe 2 and pressure backwash tube 6
Place, which enters, to be forced in backwash tube 6, and the partial air in backwash tube 6 will be forced to be extracted out from exhaust tube 84.Due to exhaust tube
Air in 84 is reduced, and the air pressure in backwash tube reduces, and exhaust tube 84 is connected to the water inlet of filter vat 41, with recoil
The air pressure that the air pressure washed in pipe reduces inside filter vat 41 also reduces.Air pressure effect filter vat 41 discharge outlet 42 by clear
Water discharge pipe 7 from clear water disk 71 by clear water and sewage back suction to filter vat 41 in communicating pipe, to make filter vat 41
Internal water level rises, when the water level in backwash tube reaches the position that backwash tube is connected to exhaust tube 84, at the water
Reason system carries out recoil operation.
The draining of the bilge discharge pipe 5 for convenience, the processing system further includes cesspool, the exhaust tube 84.
Second backwash tube 82 is connected to by cesspool with bilge discharge pipe 5.
As another preferred technical solution of the water treatment system, the water treatment system further includes medicine storing drum 3,
One end of the clear water disk 71 is connected with clear water discharge pipe 7, and the medicine storing drum 3 is arranged in the top of the clear water discharge pipe 7, and
The water butt 21 is connected to 7 selectivity of the clear water discharge pipe.The liquids such as disinfectant can be contained in medicine storing drum 3 to arrange clear water
Clear water in outlet pipe 7 is further processed, for example, the processing such as carry out disinfection, sterilize to sewage.Alternatively, being contained using medicine storing drum 3
Has medicative medicament so that the medicament in medicine storing drum 3 has the function for the treatment of after being mixed with clear water.By medicine storing drum 3
It is arranged in the top of clear water discharge pipe 7, due to being spiral gravity fluidised form in clear water discharge pipe 7,7 inside of clear water discharge pipe is in
Negative pressure state, under negative pressure and the collective effect of the gravity of the liquid of medicine storing drum 3 so that the liquid in medicine storing drum 3 flows to clear water
Liquid is uniformly mixed by discharge pipe 7 with the clear water of the inside of clear water discharge pipe 7.Wherein, medicine storing drum 3 and 41 bottom of the filter vat
The distance between portion is at least 2m.
All it is to use plunger pump water treatment system dosing, this system that plunger pump need not be set on the market at present, by profit
It can be delivered medication into water with the effect of weight and negative pressure, it is simple in structure, and saved one-time investment and running cost.
Specifically, liquid pipe fitting 33 is provided on the clear water discharge pipe 7, one end of drug liquid tube 31 passes through drug liquid tube
Connector 33 connects out drug storage pipe, and the other end connects water pipe discharge pipe.
Specifically, medicine storing drum 3 is connected to by drug liquid tube 31 with the clear water discharge pipe 7, it is provided on the drug liquid tube 31
Liquid valve 32.Circulation of the liquid in drug liquid tube 31, the convenient control to liquid are can control by controlling liquid valve 32.
To accelerate the water treatment system to the speed of sewage disposal, multiple filterings are set in the water treatment system
Device 4, each filter 4 are connected to by communicating pipe with aeration bucket 11 respectively.Wherein, each filter 4 is connected separately with backwash
Device 8, and force recoiling device.In the present embodiment, there are four filters 4 for setting.It in other examples, can be according to reality
Border needs the quantity by filter 4 to be set as one, two, three, the different quantity such as five.
In the present invention, a kind of processing method is also provided, the water treatment system of above-mentioned any embodiment, sewage are applied to
The sewage of water inlet pipe 2 from top to bottom washes away the aeration board 12 of aerator 1, and the limbers 13 on the aeration board 12 will be described
Sewage separation is that the tiny flow of multiply comes into full contact with air, and air incorporates sewage and merges to form first with the impurity in sewage
Impurity steeps, and the first impurity bubble within communicating pipe mutually unite to form the second impurity bubble by collision, and the second impurity bubble enters
Filtering in filter 4, wherein the weight of the second impurity bubble is more than the weight of first impurity bubble.It is exposed in sewage
Before gas bucket 11, first sewage and air are come into full contact with so that the ammonia nitrogen in oxygen sewage in air or aerobic micro- life
Object comes into full contact with.When sewage enters the aeration bucket 11 of aerator 1, a large amount of micro-bubble is formed in being aerated bucket 11,
Micro-bubble is adhered to the impurity in sewage and forms the first impurity bubble, and the first impurity bubble within communicating pipe mutually unite to be formed by collision
Larger the second impurity bubble of weight and volume, larger the second impurity bubble of weight sink and enter filter under the promotion of flow
In 4 filter layer, impurity is trapped on filter layer by the effect of filter layer.In the processing method, it need not launch
Coagulant, you can so that dirty impurities in water forms impurity micelle, the rate height of uniting of impurity bubble, water process works well.
Specifically, the communicating pipe includes first pipe 16 and second pipe 17, one end of the first pipe 16 and institute
The bottom for stating aeration bucket 11 connects, the lower end of other end connection second pipe 17, described in the upper end connection of the second pipe 17
The flow direction of water inlet, the sewage in the first pipe 16 is the stream of the sewage in the second pipe 17 from top to bottom
Dynamic direction is from the bottom to top.The first impurity bubble squeezes in first pipe 16 unites to form the second impurity bubble, the second impurity
Bubble unites to form impurity colloid in pipeline the, wherein the weight and volume of impurity colloid is all higher than the second impurity bubble.Impurity
The formation of colloid promotes the effect of filtering convenient for being filtered in filter 4.
As a kind of preferred technical solution of the processing method, the processing method further includes being carried out instead to filter
It rinses, when filter 41 is blocked by impurity and the air pressure in filter 4 is made to be less than external pressure, the back purge system 8 is logical
The water that water inlet extracts in the filter 4 is crossed to incite somebody to action to realize filter layer described in the water backward erosion in the filter 4
Impurity in filter vat 41 is removed, and to ensure the normal use of the water treatment system, extends the use of the water treatment facilities
Service life.
As the preferred technical solution of another kind of the processing method, pressure backwash is carried out to filter 4, works as filtering
(water level i.e. in filter vat 41 is less than exhaust tube 84 and the connection of backwash tube less than backwashing water bit line for water level in bucket 41
At nozzle) when, using forcing back purge system to backwash filter 4, force the setting of back purge system can be right at any time
Filter 4 is backwashed, and the pipe that the water level in bucket 41 to be filtered reaches exhaust tube 84 and the connection of backwash tube is not needed to
At mouthful.
In description herein, it is to be understood that term " first ", " second ", " third ", " the 4th " are only used for retouching
It states and is distinguish, do not have particular meaning.
It is to be understood that above-mentioned specific implementation mode is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, in technical scope disclosed in this invention, variation that any one skilled in the art is readily apparent that or
It replaces, should all cover within the scope of the present invention.
Claims (10)
1. a kind of water treatment system, which is characterized in that including:
Sewage water inlet pipe, for being passed through sewage;
Aeration board is arranged in the top of aerator, including aeration bucket and communicating pipe, the aeration bucket, if the aeration board is provided with
The limbers for increasing the air in the sewage is done, the aeration bucket is connected to the sewage water inlet pipe, and the sewage can
The aeration board is from top to bottom washed away, the bottom of the aeration bucket is connected to the communicating pipe;
Filter offers water inlet and discharge outlet on the filter, and the water inlet is arranged in the top of the discharge outlet,
The water inlet is connect with one end of bottom of the communicating pipe far from the aeration bucket, and the position of the water inlet is less than institute
State the bottom of aeration bucket.
2. water treatment system according to claim 1, the communicating pipe includes first pipe and second pipe, described first
One end of pipeline is connect with the bottom of the aeration bucket, and the other end is connected to the lower end of second pipe, the upper end of the second pipe
It is connected to the water inlet, the flow direction of the sewage in the first pipe is from top to bottom, in the second pipe
The flow direction of the sewage is from the bottom to top.
3. water treatment system according to claim 2, the internal diameter of the aeration bucket, the internal diameter of the first pipe and described
The internal diameter of second pipe becomes smaller successively.
4. water treatment system according to claim 1, which is characterized in that the aerator further includes being arranged in the exposure
Water butt in gas bucket, the open end of the water butt is higher than the open end of the aeration bucket, and the aeration board setting is described
The open end of water butt, the water butt are connected to the sewage water inlet pipe.
5. water treatment system according to claim 1, which is characterized in that the filter includes filter vat, the filtering
Bucket is provided with filter layer between the water inlet and the discharge outlet.
6. water treatment system according to claim 5, which is characterized in that setting support orifice plate in the filter vat, it is described
Support orifice plate is arranged at intervals on the top of the bottom of the filter vat, and the discharge outlet is located at the lower section of the support orifice plate, institute
The top that water inlet is located at the support orifice plate is stated, supporting layer group, third filter layer, second are set gradually on the support orifice plate
Filter layer and the first filter layer, wherein the grain size of the filter medium of first filter layer is more than the mistake of second filter layer
The grain size of filter medium, the grain size of the filter medium of second filter layer are more than the grain of the filter medium of the third filter layer
The grain size of diameter, the filter medium of the supporting layer group from top to bottom becomes larger successively.
7. water treatment system according to claim 5 further includes back purge system, the back purge system and the filtering
The water inlet of device is connected to, when the filter layer in the filter is blocked by impurity and the air pressure in the filter is made to be less than
When external pressure, the back purge system extracts the water in the filter by the water inlet, to realize the filter
Filter layer described in interior water backward erosion.
8. water treatment system according to claim 7, which is characterized in that it is provided with clear water disk outside the filter, it is described
Clear water disk is connected to the discharge outlet, and the back purge system includes exhaust tube, siphon destructing tube and backwash tube, wherein
One end of the backwash tube is connected to the water inlet, and the other end is connected to sump;
One end of the siphon destructing tube is connected to the backwash tube, and the other end is connected to the clear water disk;
One end of the exhaust tube is connected to the backwash tube, and the other end is connected to the sump.
9. water treatment system according to claim 8, which is characterized in that further include medicine storing drum, one end of the clear water disk
It is connected with clear water discharge pipe, the medicine storing drum is arranged in the top of the clear water discharge pipe, and the medicine storing drum and the clear water
Discharge pipe is selectively connected to.
10. a kind of processing method, which is characterized in that it is applied to water treatment system as described in any one of claim 1 to 9, it is dirty
The sewage of water water inlet pipe from top to bottom washes away the aeration board of aerator, and the limbers on the aeration board is by the sewage separation
It is come into full contact with air for the tiny flow of multiply, air incorporates the sewage and merges to form first with the impurity in the sewage
Impurity steeps, and the first impurity bubble within communicating pipe mutually unite to form the second impurity bubble by collision, and the second impurity bubble enters
Filtering in filter, wherein the weight of the second impurity bubble is more than the weight of first impurity bubble.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810593384.0A CN108706775A (en) | 2018-06-11 | 2018-06-11 | A kind of water treatment system and processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810593384.0A CN108706775A (en) | 2018-06-11 | 2018-06-11 | A kind of water treatment system and processing method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108706775A true CN108706775A (en) | 2018-10-26 |
Family
ID=63871551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810593384.0A Pending CN108706775A (en) | 2018-06-11 | 2018-06-11 | A kind of water treatment system and processing method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108706775A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112225384A (en) * | 2019-07-15 | 2021-01-15 | 赵志忠 | Aeration fine filtration equipment based on nature is bionical |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203144220U (en) * | 2013-03-26 | 2013-08-21 | 上海熙清环保工程有限公司 | Gravity type hydraulic aeration fine filter |
CN207294371U (en) * | 2017-08-01 | 2018-05-01 | 北京碧波晟业水处理设备有限公司 | A kind of aeration refined filtration all-in-one machine with siphon destroying device |
-
2018
- 2018-06-11 CN CN201810593384.0A patent/CN108706775A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203144220U (en) * | 2013-03-26 | 2013-08-21 | 上海熙清环保工程有限公司 | Gravity type hydraulic aeration fine filter |
CN207294371U (en) * | 2017-08-01 | 2018-05-01 | 北京碧波晟业水处理设备有限公司 | A kind of aeration refined filtration all-in-one machine with siphon destroying device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112225384A (en) * | 2019-07-15 | 2021-01-15 | 赵志忠 | Aeration fine filtration equipment based on nature is bionical |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11565945B2 (en) | System and method of solids conditioning in a filtration system | |
AU2014352938B2 (en) | Biofiltration with enhanced sludge handling | |
US8246818B2 (en) | Syphon filtration system | |
EP0977713B1 (en) | Air charged backwashing bioclarifier | |
US6238556B1 (en) | Filtration system including a back washable pre-filtration apparatus | |
US20110042311A1 (en) | Membrane system | |
CN105251253A (en) | Upflow type sewage precipitating and filtering equipment | |
CN105585105A (en) | Suspended bio-filter bed and jet-type flushing method thereof | |
CN108706775A (en) | A kind of water treatment system and processing method | |
CA2052151C (en) | Declining rate filter systems and methods | |
RO201400001U1 (en) | Device and method for biological treatment and post-treatment of waste water | |
CN208700673U (en) | Aerator | |
CN208711136U (en) | Filter | |
WO2021020138A1 (en) | Water treatment device | |
CN207619098U (en) | A kind of Air flotation biological filter tank | |
JP7329728B2 (en) | water treatment equipment | |
KR100415834B1 (en) | Apparatus for purifying waste water | |
CN115010287B (en) | Fixed bed up-flow type tail water treatment equipment and aquaculture tail water treatment method | |
JP7361246B2 (en) | water treatment equipment | |
CN218089135U (en) | Back-flushing type seawater desalination process tail water treatment equipment | |
JP7316492B2 (en) | water treatment equipment | |
CN211998915U (en) | Open type back-flushing separator | |
JP2518743B2 (en) | Downflow biofilter for organic wastewater | |
JPH07328352A (en) | Filter device for settling tank | |
CN112158942A (en) | A sedimentation tank for sewage treatment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181026 |
|
RJ01 | Rejection of invention patent application after publication |