CN108218030A - A kind of sewage-treatment plant - Google Patents
A kind of sewage-treatment plant Download PDFInfo
- Publication number
- CN108218030A CN108218030A CN201810024384.9A CN201810024384A CN108218030A CN 108218030 A CN108218030 A CN 108218030A CN 201810024384 A CN201810024384 A CN 201810024384A CN 108218030 A CN108218030 A CN 108218030A
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- China
- Prior art keywords
- water
- purifying tank
- magnet
- sewage
- draining exit
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Classifications
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention belongs to technical field of sewage treatment equipment, disclose a kind of sewage-treatment plant, and including water-purifying tank, water-purifying tank is equipped with cover board, and cover board is equipped with water inlet, and the bottom of water-purifying tank is equipped with sewage draining exit, filter vat is equipped in water-purifying tank；Further include drinking-water pipe and suction pump；Filter vat is equipped with mounting blocks, and mounting blocks are equipped with the first bar magnet and pleated plate, and the top of pleated plate is equipped with the first magnet, and water purification bottom of the barrel is equipped with the second magnet and third magnet；Water-purifying tank inner wall is equipped with framework, and baffle is slidably connected in framework；Water-purifying tank side wall is equipped with through-hole, and breather check valve is equipped in through-hole, and the side wall of baffle is equipped with gas outlet, outgassing nonreturn valve is equipped in gas outlet；Baffle is equipped with the second bar magnet；Sewage draining exit is equipped with the trigger switch for opening sewage draining exit.Solve the problem of that prior art alum cannot cause the cleaning effect of the dirty impurities in water in water-purifying tank bad with the waste water in entire water-purifying tank.
Description
Technical field
The invention belongs to field of sewage treatment equipment, and in particular to a kind of sewage-treatment plant.
Background technology
In recent years, the total amount of China's sewage discharge constantly increases, and sewage direct emission welding or water source, therefore
Before sewage discharge, usually carry out at sewage.Sewage disposal refers to make the water quality that sewage reaches draining or reuses will
It asks, and the process purified to it, sewage disposal are widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, city
The every field such as landscape, medical treatment, food and drink.
In sewage disposal, often water purification is carried out using alum.Alum, also known as 12 water and alum are that one kind contains
The potassium sulfate of the crystallization water and the double salt of aluminum sulfate.In use, alum is positioned in water, alum hydrolyzes generation hydroxide in water
Aluminium gelatinous precipitate；Since gelatinous aluminium hydroxide has stronger adsorption capacity, the suspended impurity particle in water can be adsorbed,
Realize water purification.Since alum water purification is easy to use and at low cost, therefore it is widely used in sewage treatment field.
The existing device using alum treated sewage, including water-purifying tank and the filter screen being arranged in water-purifying tank, water purification
Bucket is equipped with inlet and outlet.In use, filter screen is placed in water purification bottom of the barrel, added in by water inlet into water-purifying tank
Sewage and alum, alum react in water-purifying tank with sewage, form alumine hydroxide colloid adsorbing contaminant；Sewage stands one with alum
After the section time, alum is taken out, slides filter screen so that the alumine hydroxide colloid for being adsorbed with impurity is located in filter screen, and with
Filter screen movement, realizes and detaches the water purification formed after alumine hydroxide colloid and processing, then discharge water purification by water outlet.
But also there are following technical problems for prior art：Sewage is opposing stationary with alumine hydroxide colloid so that hydrogen
Alumina gel can only adsorb the impurity in the sewage of water purification bottom of the barrel, cause the impurity in the sewage on water-purifying tank top be not easy by
Cleaning, the cleaning effect that can lead to dirty impurities in water in entire water-purifying tank are bad.
Invention content
The invention is intended to provide a kind of sewage-treatment plant, with solve prior art alumine hydroxide colloid cannot with it is entire net
Waste water in bucket, the problem of causing the cleaning effect of dirty impurities in water in water-purifying tank bad.
To achieve the above object, the present invention provides following technical solution, a kind of sewage-treatment plant, including water-purifying tank, only
Bucket is equipped with cover board, and cover board is equipped with water inlet, and the bottom of water-purifying tank is equipped with sewage draining exit, filter vat, mistake are equipped in water-purifying tank
Lower rotation of the both ends of lauter tub respectively with cover board and filter vat is connect, and water-purifying tank is equipped with the driving of driving filter vat rotation
Part；The drinking-water pipe being located at through cover board and one end in filter vat is further included, equipped with suction pump, suction pump is connected to draw water cover board
The other end of pipe；The outer wall of filter vat is equipped with several vertical mounting blocks, the first bar magnet is equipped on mounting blocks and can
The pleated plate of folding, the lower part of pleated plate are fixedly connected on the lower part of mounting blocks, and the top of pleated plate is equipped with the first magnet, water purification
The bottom of bucket is equipped with the second magnet mutually repelled with the first magnet and the third magnet mutually attracted with the first magnet, third magnet position
In water-purifying tank at sewage draining exit, and the second magnet and the splicing of third magnet circularize；On inner wall of the water-purifying tank far from sewage draining exit
Equipped with framework, side of the framework far from water-purifying tank slidably connects baffle, and storage is formed between baffle, framework and water-purifying tank side wall
Headroom；Water-purifying tank side wall is equipped with the through-hole that connect with gas storage space, equipped with breather check valve in through-hole, on the side wall of baffle
Equipped with the gas outlet connected with gas storage space, outgassing nonreturn valve is equipped in gas outlet；Baffle is additionally provided on the side far from through-hole
Push rod and the second bar magnet mutually attracted with the first bar magnet, push rod are connected with push plate on the side far from baffle；Blowdown
Mouth is equipped with the trigger switch of sealing sewage draining exit.
The technique effect of this programme technical characteristic：
Water-purifying tank is used to provide a reacting environment for alum and sewage, and alum is caused to react to form alumine hydroxide colloid
Impurity particle in absorption effluent realizes the processing to sewage, forms water purification；Filter vat is for filtering alumine hydroxide colloid and miscellaneous
Matter so that water purification enters in filter vat.Water purification in filter vat is taken away, is reused by drinking-water pipe and suction pump；Triggering
Switch avoids sewage from being flowed out from sewage draining exit for sealing sewage draining exit.
Actuator is for driving filter vat to rotate, and when filter vat rotates, drives mounting blocks rotation.Mounting blocks are used for bouffancy
Plate is mounted on filter vat, therefore when filter vat rotates, and mounting blocks drive pleated plate rotation, and pleated plate is equivalent to paddle
Piece is stirred sewage so that sewage is mixed with alumine hydroxide colloid, so that alumine hydroxide colloid adsorbs entire water purification
Bucket in sewage impurity particle so that sewage disposal it is better.
Pleated plate be it is a kind of can fold and side be in ripple type plank, therefore a part of aluminium hydroxide gel know from experience attachment
In the recess of pleated plate.When pleated plate is located above the second magnet, the second magnet repels the first magnet so that pleated plate
Top moves up so that pleated plate is opened, and can be realized to the sewage in water-purifying tank and alumine hydroxide colloid stirring.When pleated plate is moved
When moving to above third magnet, third magnet can attract the first magnet so that the top of pleated plate moves down, and realizes the folding of pleated plate
It is folded, and the alumine hydroxide colloid of the recess of pleated plate will be extruded, so as to which alumine hydroxide colloid be forced down from pleated plate,
So that alumine hydroxide colloid and the impurity of absorption are detached from pleated plate.
Framework, baffle and water-purifying tank side wall form the gas storage space for storing gas, and through-hole is used to implement air inlet, outlet
Mouth is used to implement outlet.When pleated plate is moved at baffle position, the first bar magnet on mounting blocks attracts on baffle
Second bar magnet so that baffle is moved to the direction far from through-hole, and external gas is sucked by through-hole in gas storage space,
And so that gas is stored in gas storage space.Meanwhile when the first bar magnet attract the second bar magnet when, baffle to by
The direction movement of nearly sewage draining exit, so as to which push rod and push plate be driven to be moved to sewage draining exit direction, push the impurity of water purification bottom of the barrel with
And the alumine hydroxide colloid for being adsorbed with impurity particle fallen from pleated plate so that impurity and alumine hydroxide colloid are from sewage draining exit
Discharge.Trigger switch is constantly in closed state, and when push plate is close to sewage draining exit, trigger switch opens sewage draining exit, realizes miscellaneous
The discharge of matter.
When mounting blocks are turned to far from baffle, the sewage in water-purifying tank squeezes baffle so that baffle is along framework to net
Bucket side wall moves, and so as to which the gas in gas storage space is discharged by gas outlet in water-purifying tank, realizes to the dirt in water-purifying tank
The aeration of water.Aeration, refers to the process of force to shift into liquid by the oxygen in air, the purpose is to obtain enough dissolvings
Oxygen.Aeration also has the effect for strengthening that organic matter is contacted with microorganism and dissolved oxygen in water-purifying tank, micro- in water-purifying tank so as to ensure
Biology carries out oxygenolysis under conditions of having sufficient dissolved oxygen, to dirty Organic substance in water, so as to improve the effect of sewage disposal.
The technical principle of this programme is：
Alum and sewage are put into water-purifying tank so that alum reacts the alumine hydroxide colloid to be formed with water, and filter vat turns
It is dynamic so that pleated plate rotates, and sewage and alumine hydroxide colloid are stirred evenly, realize the absorption of impurity particle.Turn in pleated plate
In dynamic process, the folding of pleated plate can be realized so that the aluminium hydroxide gel physical efficiency adhered in pleated plate comes off, and pass through push plate
It is mobile, impurity and alumine hydroxide colloid are discharged.And it can realize and the sewage in water-purifying tank is exposed by the movement of baffle
Gas.
What this programme can generate has the technical effect that：
1st, the technical program drives pleated plate to rotate, can realize that sewage mixes with alumine hydroxide colloid by filter vat
It is even so that alumine hydroxide colloid is adsorbed with the impurity particle in the sewage in entire water-purifying tank, so that sewage
Better processing effect；
2nd, the water in filter vat is extracted by suction pump and drinking-water pipe, sewage by alumine hydroxide colloid adsorb with
And filter vat filters double processing so that the quality of the water purification of formation is more preferably；
3rd, it by the first magnet of setting, the second magnet and third magnet, is opened when can realize pleated plate far from sewage draining exit, it is right
Sewage and alumine hydroxide colloid are stirred, and when pleated plate is close to sewage draining exit, pleated plate folds, and make to adhere in pleated plate
Alumine hydroxide colloid come off, so as to fulfill the discharge of the colloid of impurity is adsorbed with so that sewage disposal and the discharge of impurity one
Body can save the time for individually being handled sewage and being discharged impurity cost；
4th, it when filter vat drives pleated plate rotation, can realize the movement of baffle, storage is sucked so as to fulfill by external gas
It in headroom, then is discharged into water-purifying tank, realizes the aeration to the sewage in water-purifying tank.
It is the preferred embodiment based on said program below：
Preferred embodiment one：Based on base case, the trigger switch includes being hinged on water-purifying tank inner wall and for sealing
The partition board of sewage draining exit further includes catch bar, strut and support column, and support column is arranged on the bottom of water-purifying tank side wall, strut
Middle part is hinged on the support columns；Catch bar is fixedly connected on the top of strut, and blowdown is run through in the one end of catch bar far from supporting rod
Mouthful, and offset with partition board；The bottom end of strut and push plate are equipped with mutually exclusive magnet piece.
Advantageous effect：Push plate to sewage draining exit direction move when so that two pieces of magnet pieces are close to each other, due to two pieces of magnet pieces
It is mutually exclusive, therefore the magnet piece of strut bottom end drives the bottom end of strut to be moved to far from sewage draining exit direction, strut is hinged on branch
On dagger, lever construction is formed, according to lever principle, the top of strut is moved into water-purifying tank, so as to which partition board be pushed to move, is made
It obtains partition board to open sewage draining exit, realizes that push plate arranges impurity with the alumine hydroxide colloid for being adsorbed with impurity particle out of water-purifying tank
Go out.
Preferred embodiment two：Based on preferred embodiment one, the pleated plate is equipped with several limit holes.Cause alumine hydroxide colloid
It can be stuck in limit hole so that alumine hydroxide colloid is rotated with pleated plate, and realization comes into full contact with sewage, more so as to adsorb
Impurity particle.
Preferred embodiment three：Based on preferred embodiment two, the pleated plate is equipped with close to the side of mounting blocks and is slided with mounting blocks
The convex block of dynamic connection.Convex block is slidably connected on mounting blocks, can realize the limiting to pleated plate, pleated plate is avoided to shake,
Folding and the opening of pleated plate can be realized again.
Preferred embodiment four：Based on preferred embodiment three, the mounting blocks are equipped with four pieces, and are uniformly arranged on the outer wall of filter vat
On.The distance between adjacent pleated plate can cause adjacent pleated plate that baffle is attracted to have the time difference, therefore give gas storage space and fill
The air-breathing of foot, deflation time, so as to the aeration effect of sewage more preferably.
Preferred embodiment five：Based on preferred embodiment four, sealing is equipped between the bottom of the filter vat and the bottom of water-purifying tank
Circle.It is avoided that sewage enters in filter vat.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the structure diagram of pleated plate in Fig. 1；
Fig. 3 is the enlarged drawing of part A in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail：
Reference numeral in Figure of description includes：Water-purifying tank 1, cover board 11, water inlet 111, the second magnet 12, third magnetic
Iron 13, sewage draining exit 14, through-hole 15, filter vat 2, mounting blocks 21, pleated plate 3, limit hole 31, the first magnet 32, drinking-water pipe 4, frame
Body 5, gas outlet 51, push rod 52, push plate 53, partition board 6, strut 7, catch bar 8, magnet piece 9.
As shown in Figure 1,
A kind of sewage-treatment plant, including water-purifying tank 1, the top of water-purifying tank 1 is equipped with cover board 11, and the left part of cover board 11 is equipped with
Water inlet 111, the bottom of 1 right side wall of water-purifying tank are equipped with sewage draining exit 14.The drinking-water pipe 4 through cover board 11 is further included, on cover board 11
Equipped with suction pump, suction pump is connected to one end that drinking-water pipe 4 is located at 11 top of cover board.Filter vat 2, filtering are equipped in water-purifying tank 1
Lower rotation of the both ends respectively with cover board 11 and water-purifying tank 1 of bucket 2 connect, and the bottom of filter vat 2 and the bottom of water-purifying tank 1 it
Between be equipped with sealing ring；The bottom end of drinking-water pipe 4 is located in filter vat 2.
Actuator is further included, actuator includes motor, gear and gear ring, and motor is mounted on cover board 11, and gear, which is fixed, to be connected
It is connected on the output shaft of motor, gear ring is fixed on the top of filter vat 2, and gear is engaged with gear ring.On the outer wall of filter vat 2
It is even to be provided with four vertical mounting blocks 21, as shown in Fig. 2, being equipped with the first bar magnet and folding hundred on mounting blocks 21
Pleat plate 3, the bottom of pleated plate 3 are fixed on the bottom of mounting blocks 21.Pleated plate 3 is equipped with the company of slip close to the side of mounting blocks 21
The convex block being connected on mounting blocks 21 is additionally provided with multiple limit holes 31 in pleated plate 3.
The top of pleated plate 3 is equipped with the first magnet 32, and the bottom of water-purifying tank 1 is equipped with the second magnet 12 and third magnet 13,
And second magnet 12 and third magnet 13 splicing circularize.Second magnet 12 is located at the left side of third magnet 13, and the second magnet
12 arc length is four times of the arc length of third magnet 13.Second magnet 12 and 32 phase of the first magnet are repelled, third magnet 13 and the
Two magnet, 12 phase attracts.
The left inside wall of water-purifying tank 1 is equipped with rectangular framework 5, and the right side of framework 5 slidably connects baffle, baffle, framework 5
The gas storage space of sealing is formed with the inner wall of water-purifying tank 1.The side wall of water-purifying tank 1 is equipped with the through-hole 15 connected with gas storage space,
Breather check valve is equipped in through-hole 15；Baffle is equipped with unidirectional equipped with outlet in multiple gas outlets 51 connected with gas storage space
Valve.Baffle is equipped with the second bar magnet mutually attracted with the first bar magnet.
The right side of baffle is equipped with push rod 52, and the right end of push rod 52 is equipped with push plate 53.Trigger switch is additionally provided on sewage draining exit 14,
As shown in figure 3, trigger switch includes partition board 6, catch bar 8, strut 7 and support column, the top of partition board 6 is hinged on madial wall
On, and positioned at 14 top of sewage draining exit.Support column is fixed on the bottom end of 1 left side wall of water-purifying tank, and the middle part of strut 7 is hinged on support column
On, catch bar 8 is fixed on the top of strut 7, and the left end of catch bar 8 offsets through sewage draining exit 14 and the right side of partition board 6.Strut
Magnet piece 9 is equipped on 7 bottom end and push plate 53, and two pieces of 9 phases of magnet piece are repelled.
During using the present embodiment, sewage and alum are put by water inlet 111 in water-purifying tank 1, start motor, motor turns
Dynamic band moving gear rotates, and is engaged by gear with gear ring, realizes the rotation of filter vat 2, and the rotation of filter vat 2 drives pleated plate 3
Rotation.When pleated plate 3 is located at the second 12 top of magnet, the first magnet 32 is repelled by the second magnet 12 so that pleated plate 3
Top moves up, and pleated plate 3 is opened, and passes through the limiting of convex block so that pleated plate 3 is fixed on filter vat 2, with filter vat 2
Pleated plate 3 is driven to rotate, realizes stirring of the pleated plate 3 to sewage and alum.Alum occurs hydrolysis with water and forms hydroxide
Aluminium glue body, when pleated plate 3 stirs sewage so that alumine hydroxide colloid is stuck in the bending place of limit hole 31 or pleated plate 3, so as to real
It is now come into full contact with sewage, the impurity particle in sewage is adsorbed.
When pleated plate 3 is moved to the top of third magnet 13, third magnet 13 attracts the first magnet 32 so that pleated plate
Convex block on 3 is moved down along mounting blocks 21, and pleated plate 3 is bent, and realizes the extruding to colloid so that colloid drops to water purification
The bottom of bucket 1, and at sewage draining exit 14.There are four being set due to pleated plate 3, and framework 5 and sewage draining exit 14 are located at water purification respectively
The left and right sides of bucket 1, therefore, one of pleated plate 3 is located at framework 5 at this time so that the first bar shaped magnetic on mounting blocks 21
Iron attracts the second bar magnet on baffle so that baffle moves right, and sucking gas enters in gas storage space.Baffle belt simultaneously
Dynamic push rod 52 and push plate 53 move to right, and by the impurity of 1 bottom of water-purifying tank and the impurity to come off from pleated plate 3 and are adsorbed with impurity
Colloid push sewage draining exit 14 to.
Sewage draining exit 14 just starts to be stopped by partition board 6, and when push plate 53 moves to right, the magnet piece 9 in push plate 53 repels 7 bottom of strut
The magnet piece 9 at end is so that the bottom end of strut 7 moves to right, and according to lever principle, the top of strut 7 moves to left so that catch bar 8 is to the left
Push partition board 6 so that sewage draining exit 14 is opened, and impurity is released water-purifying tank with the colloid for being adsorbed with impurity so as to fulfill push plate 53
1, realize blowdown.
After pleated plate 3 is turned to far from framework 5, under the hydraulic pressure effect of sewage, baffle is squeezed so that baffle moves to left,
The gas to pressurize in gas storage space so that gas is entered by gas outlet 51 in water-purifying tank 1, is adequately contacted with sewage, is realized
To the aeration of sewage.After sewage is cleaned, purified water purification is taken out into filter vat 2, then by suction pump and drinking-water pipe 4
Go out, realization recycles.
For those skilled in the art, under the premise of technical solution of the present invention is not departed from, if can also make
Dry modification and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention implemented and
Practical applicability.
Claims (6)
1. a kind of sewage-treatment plant, including water-purifying tank, water-purifying tank is equipped with cover board, and cover board is equipped with water inlet, water-purifying tank
Bottom is equipped with sewage draining exit, it is characterised in that：Be equipped with filter vat in water-purifying tank, the both ends of filter vat respectively with cover board and filter vat
Lower rotation connects, and water-purifying tank is equipped with the actuator of driving filter vat rotation；It further includes and was located at through cover board and one end
Drinking-water pipe in lauter tub, cover board are equipped with suction pump, and suction pump is connected to the other end of drinking-water pipe；The outer wall of filter vat is equipped with
Several vertical mounting blocks are equipped with the first bar magnet and folding pleated plate on mounting blocks, and the lower part of pleated plate is fixed
The lower part of mounting blocks is connected to, the top of pleated plate is equipped with the first magnet, and the bottom of water-purifying tank is equipped with mutually repels with the first magnet
The second magnet and the third magnet that mutually attracts with the first magnet, third magnet be located at water-purifying tank at sewage draining exit, and second
Magnet and the splicing of third magnet circularize；Inner wall of the water-purifying tank far from sewage draining exit be equipped with framework, framework far from water-purifying tank one
Slideslip is connected with baffle, and forms gas storage space between baffle, framework and water-purifying tank side wall；Water-purifying tank side wall is equipped with and storage
The through-hole of headroom connection, through-hole is interior to be equipped with breather check valve, and the side wall of baffle is equipped with the gas outlet connected with gas storage space,
Outgassing nonreturn valve is equipped in gas outlet；Baffle is additionally provided with push rod and mutually attracts with the first bar magnet on the side far from through-hole
Second bar magnet, push rod are connected with push plate on the side far from baffle；Sewage draining exit is equipped with the trigger switch of sealing sewage draining exit.
2. sewage-treatment plant according to claim 1, it is characterised in that：The trigger switch includes being hinged on water-purifying tank
Partition board on inner wall and for sealing sewage draining exit, further includes catch bar, strut and support column, support column is arranged on water purification barrel side
The bottom of wall, the middle part of strut are hinged on the support columns；Catch bar is fixedly connected on the top of strut, and catch bar is far from supporting rod
One end through sewage draining exit, and offset with partition board；The bottom end of strut and push plate are equipped with mutually exclusive magnet piece.
3. sewage-treatment plant according to claim 2, it is characterised in that：The pleated plate is equipped with several limit holes.
4. sewage-treatment plant according to claim 3, it is characterised in that：The pleated plate is on the side of mounting blocks
Equipped with the convex block being slidably connected with mounting blocks.
5. sewage-treatment plant according to claim 4, it is characterised in that：The mounting blocks are equipped with four pieces, and uniformly set
It puts on the outer wall of filter vat.
6. sewage-treatment plant according to claim 5, it is characterised in that：The bottom of the filter vat and the bottom of water-purifying tank
Sealing ring is equipped between portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024384.9A CN108218030A (en) | 2018-01-10 | 2018-01-10 | A kind of sewage-treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810024384.9A CN108218030A (en) | 2018-01-10 | 2018-01-10 | A kind of sewage-treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108218030A true CN108218030A (en) | 2018-06-29 |
Family
ID=62641746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810024384.9A Pending CN108218030A (en) | 2018-01-10 | 2018-01-10 | A kind of sewage-treatment plant |
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| Country | Link |
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| CN (1) | CN108218030A (en) |
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Application publication date: 20180629 |
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| RJ01 | Rejection of invention patent application after publication |