CN107935087A - A kind of full-automatic air supporting control system and control method - Google Patents
A kind of full-automatic air supporting control system and control method Download PDFInfo
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- CN107935087A CN107935087A CN201711313509.1A CN201711313509A CN107935087A CN 107935087 A CN107935087 A CN 107935087A CN 201711313509 A CN201711313509 A CN 201711313509A CN 107935087 A CN107935087 A CN 107935087A
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- control point
- air
- control
- dissolving
- water
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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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- 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
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- 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)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a kind of full-automatic air supporting control system and control method.The system includes：Air flotation slot, dissolving, air accumulator, skimmer device, flocculant feed pipe, water inlet pipe and drainpipe；An air dissolved pump is provided between the air flotation slot and dissolving, the water in air flotation slot is delivered to dissolving by air dissolved pump carries out molten gas, and the water after molten gas is exported to water inlet pipe by the outlet of dissolving, enters together with input to the water of air flotation slot in air flotation slot；Multiple control points are provided with said system, and these control points carry out serials control connection, are controlled by these dominating pair of vertices systems, realize that vapour floats the monitoring and automatic adjustment of effluent quality；Operation monitors the influence from weather and light.
Description
Technical field：
The present invention relates to water treatment system and method and technology field, refers in particular to a kind of full-automatic air supporting control system and method.
Background technology：
Many waste water can be produced in paper industry, these waste water need to discharge after treatment, one used at present
Kind conventional water treatment device is exactly air-floating apparatus.
The operation principle of air-floating apparatus is：Air is passed through into sewage, produces fine bubble, makes the tiny suspension in water
Thing is attached on air bubble, is floated to the water surface with bubble, is formed scum silica frost, then skimmed scum silica frost by skimmer device, from
And reach suspended matter in water removal, improve the purpose of water quality.In order to increase clean-up effect, it will usually launched necessarily in sewage
Flocculant, the flocculant of input can promote suspended matter to agglomerate, it is attached on bubble and is floated；Flotation agent, which can be added, makes hydrophily
Particle surface is converted into lyophobic dust and is attached on bubble, with bubble floating.
There are following deficiency for current this air-floating apparatus：The water quality of water outlet can not on-line monitoring, and can not realize automatic
Adjust；When needing to adjust treating capacity, it is necessary to which the multiple parameters such as flocculation dosage, air supply are carried out while adjusted at the same time,
And effluent quality fluctuation is be easy to cause by the way of manual adjustment at present.In addition, at present to air pressure in air-floating apparatus
Adjusting, molten gas effect, whether skimmer device is required to extremely manually detects, and not only labor intensity is big, and can cause water quality
Fluctuate, influence the effect of water process
The content of the invention：
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of full-automatic air supporting control
System and method.
In order to solve the above-mentioned technical problem, full-automatic air supporting control system employs following technical proposals in the present invention：One
The full-automatic air supporting control system of kind, the system include：Air flotation slot, the dissolving that molten gas operation is carried out to the water in air flotation slot, with
Dissolving connect and to dissolving supply air accumulator, be arranged on air flotation slot skimmer device, by flocculant launch pump to
The flocculant feed pipe of flocculant is launched in air flotation slot, input the water inlet pipe of water into air flotation slot by feed pump and outside
Export the drainpipe of the water gone out by air flotation slot overflow；An air dissolved pump is provided between the air flotation slot and dissolving, by molten
Water in air flotation slot is delivered to dissolving and carries out molten gas by air pump, and the water after molten gas is exported to water inlet by the outlet of dissolving
Pipe, enters in air flotation slot together with input to the water of air flotation slot；Following control point is provided with said system, and these are controlled
System point carries out serials control connection, these control points include：It is arranged on the drainpipe, the control for detecting draining concentration
Make point A；It is arranged on water inlet pipe, the control point B for carrying out flow of inlet water control；It is arranged on flocculant feed pipe, is used for
The control point C of flocculant flow control；It is arranged between air accumulator and dissolving, the control point for controlling compressed air require
D；It is arranged between air dissolved pump and dissolving, the control point E for controlling molten vapour inflow；It is arranged in skimmer device, is used for
The variable-frequency motor of skimmer device operation is driven, the variable-frequency motor is as control point F；It is arranged on air accumulator air inlet, for controlling
The control point G of reservoir pressure.
Furthermore, in above-mentioned technical proposal, the control point A is consistency transmitter.
Furthermore, in above-mentioned technical proposal, the control point B is flow transmitter and regulating valve.
Furthermore, in above-mentioned technical proposal, the control point C is flow transmitter.
Furthermore, in above-mentioned technical proposal, the control point D is flow transmitter and regulating valve.
Furthermore, in above-mentioned technical proposal, the control point E is flow transmitter and regulating valve.
Furthermore, in above-mentioned technical proposal, the control point G is pressure transmitter and and inputs pressure to air accumulator
The air compressor machine of contracting gas.
Furthermore, in above-mentioned technical proposal, it is provided between dissolving and water inlet pipe for controlling dissolving to carry on the back
The control point H of pressure；The control point H is pressure transmitter and control valve, and the back pressure for controlling dissolving by control point H maintains
In setting numerical value.
Furthermore, in above-mentioned technical proposal, fluid level transmitter device is additionally provided with the air flotation slot.
Furthermore, in above-mentioned technical proposal, the system employs following control method：Above-mentioned control point A, B,
C, D, E, F, G carry out serials control connection, and are set as follows：When concentration shown by the A of control point is more than setting concentration, adjust
The variable-frequency motor of control point F is saved according to 10% speed increase per minute, increases bed drain purge, is set until A points concentration is less than or equal to
Determine concentration；When the variable-frequency motor rotating speed of control point F is incremented to 100%, the concentration of control point A detections is still dense more than setting
Degree, then the regulating valve in adjustment control point B, reduced by 10 cubic meters/hour by every 5 minutes by feed flow rate and successively decreases, while control point
C, D, E are reduced automatically according to control point B setting ratios, when the inflow in air flotation slot is the 80% of specified inflow,
Alarm is sent, prompts operating personnel to increase the charging rate that flocculant at the C of control point launches pump, and in adjustment control point D, E
Each self-regulating valve, increases charging rate, and until the detectable concentration of control point A is qualified, alarm at this time eliminates；At control point A points
Display density be less than setting concentration levels under, when need increase control point B treating capacity when, control point C, D, E, F according to control
The setting ratio of system point B increases flow and rotating speed automatically；Using the air compressor machine of two gearings in the G of control point, wherein a pneumatics
Machine is as spare, when the pressure of air accumulator is less than setting pressure, spare air compressor machine automatic start；When pressure is higher than setting pressure
When, then spare air compressor machine is shut down.
This air-floating apparatus course of work is as follows：Water to be treated enters water inlet pipe after flowmeter by feeding pump,
And entering vapour floating trough after being mixed with a certain amount of flocculant that flocculant feed pipe is sent into, air dissolved pump extracts the water inside vapour floating trough
It is sent to dissolving and compressed air and carries out molten gas, the water after molten gas enters back into water inlet pipe, and water inlet is mixed into vapour floating trough, tiny
Bubble adheres to the floc sedimentation being made of flocculant and light impurity in vapour floating trough uphill process and rises together, then will by skimmer device
The light impurity of liquid level removes.Water persistently outbound flows after overflow into drainpipe after processing below liquid level.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：The present invention is being controlled
Multiple control points are provided with system processed, and these control points carry out serials control connection, pass through these dominating pair of vertices systems
It is controlled, realizes that vapour floats the monitoring and automatic adjustment of effluent quality；Operation monitors the influence from weather and light.
Brief description of the drawings：
Fig. 1 is the structure diagram of the present invention.
Embodiment：
With reference to specific embodiments and the drawings, the present invention is further described.
As shown in Figure 1, the present invention is a kind of full-automatic air supporting control system, which includes：Air flotation slot 1, dissolving 2,
Air accumulator 3, skimmer device 4, flocculant feed pipe 5, water inlet pipe 6 and drainpipe 7.Bold portion is to be connected by pipeline in attached drawing 1
Connect, dotted portion connects for circuit.
An air dissolved pump 21 is provided between the air flotation slot 1 and dissolving 2, by air dissolved pump 21 by air flotation slot 1
Water is delivered to dissolving 2 and carries out molten gas, and the water after molten gas is exported to water inlet pipe 6 by the outlet of dissolving 2, with water inlet pipe 6
Water together enter air flotation slot 1 in.
The air accumulator 3 is connected with dissolving 2, and gases at high pressure are inputted into dissolving 2 by air accumulator 3.Air accumulator 3
Air inlet be connected with air compressor machine 31, gases at high pressure are inputted into air accumulator 3 by air compressor machine 31.
The skimmer device 4 is arranged on air flotation slot 1, and skimmer device 4 uses existing skimmer device, it passes through cart
Motor controls cart to be rotated around vapour floating trough, while vehicle motor control skimming ladle rotation, and the impurity of liquid level is removed.After processing
Water flows to drainpipe 7. by overflow
5 initiating terminal of flocculant feed pipe is provided with flocculant dispensing pump 51 and launches flocculant into air flotation slot 1；Water inlet pipe 6
Water to be treated is inputted into air flotation slot 1 by feed pump 61.Water after molten gas defeated is fed in by the outlet of dissolving 2
Water pipe 6, enters in air flotation slot 1 together with the water of water inlet pipe 6；
Following control point is provided with said system, and these control points carry out serials control connection, these controls
Point includes：
It is arranged on the drainpipe 7, the control point A for detecting draining concentration, the control point A become for concentration
Device a1 is sent, whether the water concentration by consistency transmitter a1 detection discharges is up to standard, realizes that real-time online detects water quality.
It is arranged on water inlet pipe 6, the control point B for carrying out flow of inlet water control, the control point B are flow pick-up
Device b1 and regulating valve b2.Flow transmitter b1 is used for the flow of inlet water for detecting water inlet pipe 6 in real time, and regulating valve b2 uses motorized adjustment
Valve, can adjust flow of inlet water size as needed.
It is arranged on flocculant feed pipe 5, the control point C for flocculant flow control, which is stream
Transmitter c1, the injected volume of flocculant is detected by flow transmitter c1 in real time.
It is arranged between air accumulator 3 and dissolving 2, the control point D for controlling compressed air require；The control point
D is flow transmitter d1 and regulating valve d2.
It is arranged between air dissolved pump 21 and dissolving 2, the control point E for controlling molten vapour inflow；The control point E
For flow transmitter e1 and regulating valve e2.By flow transmitter e1 detection inputs to the water in dissolving 2, pass through regulating valve
E2 realizes that motorized adjustment controls flow.
It is arranged in skimmer device 4, the variable-frequency motor for driving skimmer device 4 to run, the variable-frequency motor is as control
Point F；
It is arranged on 3 air inlet of air accumulator, the control point G for controlling 3 pressure of air accumulator.The control point G is pressure
Power transmitter g1 and the air compressor machine 31 that compressed gas is inputted to air accumulator 3.Two air compressor machines 31 are provided with herein, it is one of to make
To be spare.
The control point H for controlling 2 back pressure of dissolving is provided between dissolving 2 and water inlet pipe 6；The control point
H is pressure transmitter h1 and control valve h2, with the flow for detecting the back pressure of dissolving 2 and adjusting molten gas-liquid, that is, passes through control
The back pressure of point H control dissolvings 2 maintains setting numerical value.
In addition, it is additionally provided with fluid level transmitter device 11 on the air flotation slot 1.
This air-floating apparatus course of work is as follows：Water to be treated enters water inlet pipe after flowmeter by feeding pump 61
6, and enter vapour floating trough 1 after being mixed with a certain amount of flocculant that flocculant feed pipe 5 is sent into, air dissolved pump 21 extracts vapour floating trough 1
The water of the inside is sent to dissolving 2 and compressed air and carries out molten gas, and the water after molten gas enters back into water inlet pipe 6, and water inlet is mixed into
Vapour floating trough, tiny bubble adheres to the floc sedimentation being made of flocculant and light impurity in vapour floating trough uphill process and rises together, then leads to
Skimmer device 4 is crossed to remove the light impurity of liquid level.Water continues outward after overflow into drainpipe 7 after processing below liquid level
Stream.
The present invention control method be：Above-mentioned control point A, B, C, D, E, F, G, H are subjected to serials control connection, gone forward side by side
The following setting of row：
When concentration shown by the A of control point is more than setting concentration, the variable-frequency motor of adjustment control point F is according to per minute 10%
Speed increase, increases bed drain purge, until A points concentration is less than or equal to setting concentration；When the variable-frequency motor rotating speed of control point F is incremented by
During to 100%, the concentration of control point A detections is still more than setting concentration, then the regulating valve in adjustment control point B, by feeding flow
Speed reduced by 10 cubic meters/hour by every 5 minutes and successively decreases, while control point C, D, E are reduced automatically according to control point B setting ratios,
When the inflow in air flotation slot 1 is the 80% of specified inflow, alarm is sent, prompts operating personnel to increase at the C of control point
Flocculant launches the charging rate of pump 51, and each self-regulating valve in adjustment control point D, E, increases charging rate, until control
The detectable concentration of point A is qualified, and alarm at this time eliminates.
Display density is less than under setting concentration levels at the control point A points, when needing to increase the treating capacity of control point B,
Control point C, D, E, F increase flow and rotating speed automatically according to the setting ratio with control point B.
Using the air compressor machines 31 of two gearings in the G of control point, wherein an air compressor machine is as spare, when the pressure of air accumulator 3
(the present embodiment is set as when power is less than setting pressure：3BAR), spare air compressor machine automatic start；When pressure is higher than setting pressure
When, then spare air compressor machine is shut down.
Control point H sets back pressure as 100KPA, is controlled by control valve h2, maintains optimal molten gas effect.
In addition, respectively one, which can be installed, by the running track in skimmer device 4 switchs at a slow speed 12, for on-line monitoring skimming
The operating status of device 4.Point is switched at a slow speed by two, monitors the operation of big trolley in skimmer device 4, ensures that slagging-off continues
Carry out.
The present invention is provided with multiple control points in the controls, and these control points carry out serials control connection, leads to
Cross these dominating pair of vertices systems to be controlled, realize that vapour floats the monitoring and automatic adjustment of effluent quality；Operation monitoring is from weather
With the influence of light.
Certainly, the foregoing is merely the specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that construction, feature and principle described in scope of the present invention patent are done, should all be included in Shen of the present invention
Please be in the scope of the claims.
Claims (10)
- A kind of 1. full-automatic air supporting control system, it is characterised in that：The system includes：Air flotation slot, carry out the water in air flotation slot The dissolving of molten gas operation, the air accumulator for connecting with dissolving and being supplied to dissolving, the skimmer device being arranged on air flotation slot, Launch to pump by flocculant and the flocculant feed pipe of flocculant is launched into air flotation slot, water is inputted into air flotation slot by feed pump Water inlet pipe and outwards export the drainpipe of the water gone out by air flotation slot overflow；An air dissolved pump is provided between the air flotation slot and dissolving, the water in air flotation slot is delivered to by molten gas by air dissolved pump Tank carries out molten gas, and the water after molten gas is exported to water inlet pipe by the outlet of dissolving, and air supporting is entered together with the water of water inlet pipe In groove；Following control point is provided with said system, and these control points carry out serials control connection, these control points bag Include：It is arranged on the drainpipe, the control point A for detecting draining concentration；It is arranged on water inlet pipe, the control point B for carrying out flow of inlet water control；It is arranged on flocculant feed pipe, the control point C for flocculant flow control；It is arranged between air accumulator and dissolving, the control point D for controlling compressed air require；It is arranged between air dissolved pump and dissolving, the control point E for controlling molten vapour inflow；It is arranged in skimmer device, the variable-frequency motor for driving skimmer device to run, the variable-frequency motor is as control point F；It is arranged on air accumulator air inlet, the control point G for controlling reservoir pressure.
- A kind of 2. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point A is dense Spend transmitter.
- A kind of 3. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point B is stream Transmitter and regulating valve.
- A kind of 4. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point C is stream Transmitter.
- A kind of 5. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point D is stream Transmitter and regulating valve.
- A kind of 6. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point E is stream Transmitter and regulating valve.
- A kind of 7. full-automatic air supporting control system according to claim 1, it is characterised in that：The control point G is pressure Power transmitter and and the air compressor machine to air accumulator input compressed gas.
- A kind of 8. full-automatic air supporting control system according to claim 1, it is characterised in that：Dissolving and water inlet pipe it Between be provided with control point H for controlling dissolving back pressure；The control point H is pressure transmitter and control valve, passes through control The back pressure of system point H control dissolvings maintains setting numerical value.
- A kind of 9. full-automatic air supporting control system according to claim 1, it is characterised in that：Also set on the air flotation slot It is equipped with fluid level transmitter device.
- A kind of 10. full-automatic air supporting control method according to any one in claim 1-9, it is characterised in that：It is above-mentioned Control point A, B, C, D, E, F, G carry out serials control connection, and set as follows：When concentration shown by the A of control point is more than setting concentration, the variable-frequency motor of adjustment control point F is according to 10% speed per minute It is incremented by, increases bed drain purge, until A points concentration is less than or equal to setting concentration；When the variable-frequency motor rotating speed of control point F is incremented to When 100%, the concentration of control point A detections is still more than setting concentration, then the regulating valve in adjustment control point B, by feed flow rate 10 cubic meters/hour were reduced by every 5 minutes to successively decrease, while control point C, D, E are reduced automatically according to control point B setting ratios, directly When inflow into air flotation slot is the 80% of specified inflow, alarm is sent, prompts operating personnel to increase at the C of control point and flocculates The charging rate of pump, and each self-regulating valve in adjustment control point D, E are launched in agent, increase charging rate, until the inspection of control point A It is qualified to survey concentration, alarm at this time eliminates；Display density, when needing to increase the treating capacity of control point B, is controlled less than under setting concentration levels at control point A points Point C, D, E, F increases flow and rotating speed automatically according to the setting ratio with control point B；Using the air compressor machines of two gearings in the G of control point, wherein an air compressor machine is as spare, when the pressure of air accumulator is less than setting When level pressure is strong, spare air compressor machine automatic start；When pressure is higher than setting pressure, then spare air compressor machine is shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313509.1A CN107935087B (en) | 2017-12-12 | 2017-12-12 | Full-automatic air floatation control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711313509.1A CN107935087B (en) | 2017-12-12 | 2017-12-12 | Full-automatic air floatation control system and control method |
Publications (2)
| Publication Number | Publication Date |
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| CN107935087A true CN107935087A (en) | 2018-04-20 |
| CN107935087B CN107935087B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711313509.1A Active CN107935087B (en) | 2017-12-12 | 2017-12-12 | Full-automatic air floatation control system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974951A (en) * | 2018-07-16 | 2018-12-11 | 玖龙纸业(重庆)有限公司 | Piler |
| CN114288884A (en) * | 2021-12-14 | 2022-04-08 | 广东万家乐燃气具有限公司 | Microbubble generating device with gas storage chamber and water heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108974951A (en) * | 2018-07-16 | 2018-12-11 | 玖龙纸业(重庆)有限公司 | Piler |
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| CN114288884A (en) * | 2021-12-14 | 2022-04-08 | 广东万家乐燃气具有限公司 | Microbubble generating device with gas storage chamber and water heater |
| CN114288884B (en) * | 2021-12-14 | 2022-12-09 | 广东万家乐燃气具有限公司 | Microbubble generating device with gas storage chamber and water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107935087B (en) | 2021-02-19 |
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