CN2813601Y - Inorganic waste water purifying treatment machine - Google Patents
Inorganic waste water purifying treatment machine Download PDFInfo
- Publication number
- CN2813601Y CN2813601Y CNU2005200621770U CN200520062177U CN2813601Y CN 2813601 Y CN2813601 Y CN 2813601Y CN U2005200621770 U CNU2005200621770 U CN U2005200621770U CN 200520062177 U CN200520062177 U CN 200520062177U CN 2813601 Y CN2813601 Y CN 2813601Y
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- China
- Prior art keywords
- waste water
- water
- biochemical treatment
- central controller
- pump system
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- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model relates to a purifying treatment machine for inorganic waste water, which comprises a homogenizing slot, a biochemical treatment pool, etc. The homogenizing slot is provided with a water inlet, and the lower part of the homogenizing slot is also provided with a drain outlet. A waste water pump system is communicated with the homogenizing slot and the biochemical treatment pool, and a filter is arranged in a pipeline. A first water level switch which is used to measure the level of the waste water is arranged in the homogenizing slot, and a stirrer is fixed to the homogenizing slot to stir the waste water in the homogenizing slot. A medicament box is fixed to the upper part of the homogenizing slot or other proper places, an outlet is provided with a valve and a pipeline connected with the pipeline, and the pipeline is led to the homogenizing slot. A ph measurer is fixed to a head cover of the homogenizing slot, and a probe of the ph measurer extends into the waste water. The central control unit is electrically connected with the components, and the units are controlled orderly by the preset program in PLC. The utility model can be widely suitable for the organism waste water treatment in the places, such as hospitals, laboratories, chemical engineering enterprises, etc.
Description
Technical field:
The utility model relates to a kind of waste waster processor, particularly a kind of inorganic wastewater purifying treatment machine.
Background technology:
In the inorganic wastewater, contain heavy metal ion, it mainly existing by water-soluble salt, simultaneously, also may contain objectionable impuritiess such as part spent acid, salkali waste or organism.Existing inorganic wastewater is handled, wherein a kind of mode, take the artificial mode exactly, inorganic wastewater is placed reaction tank, in reaction tank, add the highly basic agent again, generation can sedimentary oxide compound and oxyhydroxide, subsequently the clear liquid on throw out upper strata discharged, and with the mud of manual type scavenger precipitation.This kind mode, though can partly remove heavy metal ion, because the treating processes manual operation, randomness is very big; Take artificial many, inefficiency, and have danger, being difficult to guarantee the inorganics wastewater treatment is the discharge water of compliance with environmental protection requirements.
Summary of the invention
At the defective of current inorganics wastewater treatment, the utility model provides a kind of and can detect automatically, handles automatically, and equipment volume is little, can control the inorganic wastewater purifying treatment machine for the treatment of processes automatically.
The utility model is achieved in that a kind of inorganic wastewater purifying treatment machine, comprises homogeneous groove, biochemical treatment tank, chemical tank, pH meter, agitator, water level switch, strainer, gac web plate and central controller etc.Wherein:
The homogeneous groove is box-shaped or other shapes of containers, and main effect is the waste water thorough mixing even, and waste water is carried out chemical treatment.
The homogeneous groove is provided with water-in and water outlet.Homogeneous groove water-in is by valve and other outside waste water collection device, intake pump system connectivity.If the utility model device is used for the less occasions of disposable wastewater flow rate such as laboratory, can not be used in water-in and inlet valve are set on the homogeneous groove, and waste water directly can be poured in the homogeneous groove, certainly, when the water-in of homogeneous groove directly is communicated with the wash trough water outlet, and when waste water can lean on the mode of gravity flow to enter the homogeneous groove, also not necessarily the intake pump system must be set.It so all is the application structure that is equal to.
First water level switch also is set in the homogeneous groove, is used to control the water level of homogeneous groove.First water level switch can be fixed on top cover, diapire or the sidewall of homogeneous groove.First water level switch is provided with high and low water level reference mark, and when the water level of homogeneous groove was in low level, the inlet valve (and the intake pump system before the water intaking valve) of first water level switch control homogeneous groove was opened, and begins water inlet; When the water level in the homogeneous groove was in high-water, the valve (and the waterworks before the water intaking valve) before first water level switch control homogeneous groove was closed, and stops into water.First water level switch can directly be electrically connected and realize the unit control function with the valve electrical parts such as (and the intake pump systems before the water intaking valve) before the homogeneous groove, also can be electrically connected the automatic control that realizes whole purification system with central controller.First water level switch can be the water level switch of dry-reed tube, ball float class, also can be the liquid search switch of polarity formula noncontact class.
Described agitator is fixed on top cover, diapire or the sidewall of homogeneous groove, is used as power by motor, drives stir shaft, and axle is provided with paddle, and the waste water in the treating pond is stirred, and wastewater treatment can evenly be carried out.
Described chemical tank is fixed on top or other suitable position of homogeneous groove, but can flows automatically to good with reagent, thereby makes simple in structurely, saves power again.The pipeline that the chemical tank outlet is provided with valve and is connected, pipeline feeds in the homogeneous groove.
Because the heavy metal ion in the waste water, main existing by water-soluble salt, the reagent of placing in the chemical tank mainly is NaOH or other suitable strong basicity reagent, when this reagent is inserted in the waste water, in can carrying out the heavy metallic salt in the waste water (as copper sulfate) ion and chemical reaction, generate water-fast oxide compound or oxyhydroxide.Process pH meter detects the pH value of waste water, judges when needing to add reagent, by the valve of central controller controls unlatching chemical tank, adds an amount of reagent in the homogeneous groove.Certainly, if when waste water mainly is alkaline matter, the reagent that adds in the homogeneous groove is with regard to the corresponding acid reagent of changing into.
Described pH meter is fixed on supervisory control desk or other the suitable secure locations, and probe is stretched in the waste water in the homogeneous groove.Can give online mensuration at random to the pH value of waste water, the result of mensuration passes to central controller, subsequently by the result data of central controller according to measurement, is controlled adding parameters such as amount of reagent.Certainly, the pH meter also can be installed in other suitable position such as top cover, sidewall of homogeneous groove and probe is stretched in the waste water.
Homogeneous groove bottom sets out the mouth of a river, and with the water-in of biochemical treatment tank by the waste water pump system connectivity; The waste water pump system includes before the motor, waste water pump, pipeline, waste water pump or the valve behind the waste water pump etc.If the utility model device adopts manually-operated mode (being the unit control mode), valve can adopt mechanical type or electrodynamictype valve; Realize control automatically if the utility model device is electrically connected with central controller, then valve adopts the electrodynamictype valve.The electrodynamictype valve comprises electromagnetic valve, electrically operated valve etc.The selection of above-mentioned device can be selected flexibly according to practical situation.
In the waste water pump system pipeline, also be provided with strainer, be used for filtering in the homogeneous groove process and the throw out that produces behind the chemical reaction.Before this strainer can be arranged on pump, behind the pump, and the water-in of biochemical treatment tank.Be preferably disposed on behind the pump in the pipeline, and conveniently be that principle is determined concrete installation site with installation and maintenance.Between mountain pass behind the pump and strainer water-in, also be provided with pressure transmitter, be used for detecting strainer preceding pipeline water pressure, and, help to judge the working order of strainer according to the situation of pressure change, promptly help to judge the opportunity of changing strainer.Pressure transmitter is electrically connected with central controller, and implements control corresponding, display alarm etc.
Biochemical treatment tank is box-shaped or other shapes of containers.The mobile direction of water can vertically be provided with one or more gac web plates in biochemical treatment tank, and space in the biochemical treatment tank is separated relatively.Arranged transversely gac web plate in biochemical treatment tank can further consume the organism that contains in heavy metal ion and the waste water.Certainly, can the gac web plate be set along water (flow) direction, just treatment effect does not have the arranged transversely scheme good yet.In actual applications, according to actual condition, can also iron filings be set in biochemical treatment tank as oxygenant.The gac web plate not only itself can be adsorbed with harmful substances, also the objectionable impurities in the waste water can be adsorbed onto around the web plate as much as possible, helps more at the microbial film that gac web plate surface generates objectionable impurities being engulfed degraded.
The gac web plate is gac to be loaded in the gac web plate cavity volume and the tabular body that forms.
Adopt the active carbon net plate structure, waste water sees through the active carbon net plate current to water outlet, can under the situation that stirs waste water without external force waste water fully be contacted with gac, and is convenient to maintenance, replacing aged gac.
For the active adsorption heavy metal ion, also in order to realize further the degrade purpose of objectionable impuritiess such as heavy metal ion, organism of microorganism, waste water needs the residence time longer relatively in biochemical treatment tank.Retention period, waste water can provide good environment for growing a large amount of microorganisms, and microorganism helps the degraded partial organic substances, also can consume the part heavy metal ion.To grow more aerobic microorganism in the biochemical treatment tank and become dominant bacteria in order to make, can oxygen increasing pump be set at suitable secure location, bottom in the biochemical treatment tank is stretched in the air outlet of oxygen increasing pump, and lower part outlet connects aeration tube or aeration head, makes aeration even.By oxygen increasing pump, in biochemical treatment tank, pump into air.Oxygen increasing pump can be a gas blower class air-supply arrangement.Oxygen increasing pump manual operation separately (being the unit control mode) also can be electrically connected with central controller and realize control automatically.
In order to control the elevation of water surface of biochemical treatment tank automatically, second water level switch can be set in biochemical treatment tank again, second water level switch is provided with high and low water level reference mark.Second water level switch can directly be electrically connected and realize the unit control function with electrical parts such as waste water pump system, biochemical treatment tank outlet valves, also can be electrically connected the automatic control that realizes whole purification system with central controller.The mode that installs and fixes of second water level switch, variety type can be identical with first water level switch.
The biochemical treatment tank bottom is provided with water outlet and valve.If the utility model device adopts manually-operated mode (being the unit control mode), valve adopts mechanical type or electrodynamictype valve; If being electrically connected with central controller, the utility model device realizes control automatically, then the valve electrodynamictype valve of having stated above also adopting.Can also sewage draining exit and sewage draining valve be set in the bottom of biochemical treatment tank, be used for sedimentary mud in the treating pond is discharged.
In order to detect, control the organic content in the biochemical treatment tank, waste water COD rapid determination instrument can be set in biochemical treatment tank.COD rapid determination instrument is installed in supervisory control desk or other suitable secure locations, and its probe stretches in the biochemical treatment tank.The manual operation separately of COD rapid determination instrument also can be electrically connected with central controller, realizes the control wastewater treatment time automatically.
In addition, inorganic wastewater for indivedual utmost point difficult degradations, when after within reasonable time by whole flow process, detector by COD rapid determination instrument or other type detects or manual detection automatically, judge and still can not reach emission standard, the second waste water pump system can be set between homogeneous groove and biochemical treatment groove, the waste water in the biochemical treatment groove be drawn back in the homogeneous groove handled again.The second waste water pump system includes before the motor, waste water pump, pipeline, waste water pump or the valve behind the waste water pump etc.If the utility model device adopts manually-operated mode (being the unit control mode), valve adopts mechanical type or electrodynamictype valve; If being electrically connected with central controller, the utility model device realizes control automatically, then the valve electrodynamictype valve of having stated above also adopting.
The course of action of above-mentioned each member and control method can drive control with the most traditional on-off control system and finish, even the part operation process also can be finished with manually-operated mode.But so then electrical control system is very huge, and stability is not enough, and wastes time and energy, and is also dangerous, handles just necessary so adopt central controller to implement automatization.
Described central controller is made of PLC control unit and relay control driver element.Central controller is electrically connected with water intaking valve (intake pump system), first water level switch, agitator, pH meter, waste water pump system, pressure transmitter, second water level switch, COD rapid determination instrument, chemical tank valve, water discharge valve, oxygen increasing pump etc., program by default among the PLC gives sequential control to these unit.
In addition,, can also be connected, realize the Long-distance Control wastewater treatment process with machine such as remote computer by central controller.
Described central controller is arranged in the supervisory control desk, and supervisory control desk is fixed on the top for the treatment of pond, also can be installed in other suitable secure locations such as sidewall for the treatment of pond.
In addition, in the supervisory control desk telltales such as indicating meter, pilot lamp, warning howler can also be set, and be electrically connected, be used for display process process or result data with central controller.
Because the utility model has adopted pH meter, COD rapid determination instrument etc. as online detection means, makes treating processes accurate, save processing cost; Also owing to adopted central controller and is electrically connected, and the process of handling is controlled automatically, can be reached automatic Continuity processing waste water, thereby save labor by central controller with other device, safety, the volume of equipment is little.This device can be widely used in the inorganic wastewater of hospital, laboratory, chemical enterprise etc. and handle.
Description of drawings:
Fig. 1 is the flowage structure synoptic diagram of the utility model device
Fig. 2 is this use new device assembling schematic perspective view
Embodiment:
Now in conjunction with the accompanying drawings the utility model is described in further detail:
Embodiment:
Shown in figure one, the utility model comprises homogeneous groove 1, first water level switch 3, agitator 4, pH meter 5, chemical tank 6, waste water pump system 7, pressure transmitter 8, strainer 9, biochemical treatment tank 10, second water level switch 11, gac web plate 12, COD rapid determination instrument 13, oxygen increasing pump 14, water discharge valve 15, supervisory control desk 16 and central controller 17 etc.Wherein:
Homogeneous groove 1 is a box describe device, and main effect is the waste water thorough mixing even, and waste water is carried out chemical treatment.
Homogeneous groove 1 is provided with water-in and water outlet.Homogeneous groove water-in is communicated with other outside waste water collection device 18 by valve (intake pump system) 2.
Dry-reed first water level switch 3 also is set in homogeneous groove 1 and is fixed on its top cover, be used to monitor and control the water level of homogeneous groove.First water level switch 3 is provided with high and low water level reference mark, and when the water level of homogeneous groove 1 was in low level, the inlet valve (and the intake pump system before the water intaking valve) 2 of first water level switch, 3 control homogeneous grooves 1 was opened, and begins water inlet; When the water level in the homogeneous groove 1 was in high-water, the valve (and the waterworks before the water intaking valve) 2 before first water level switch, the 3 control homogeneous grooves was closed, and stops into water.First water level switch 3 is electrically connected the automatic control that realizes whole purification system with central controller 17.
Described agitator 4 is fixed on the top cover of homogeneous groove 1, is used as power by motor, drives stir shaft, and axle is provided with paddle, and the waste water in the treating pond is stirred, and wastewater treatment can evenly be carried out.
Described chemical tank 6 is fixed on the top of waste water pump system install bin 19.Be equiped with highly basic reagent in the chemical tank 6.The pipeline that chemical tank 6 outlets are provided with valve and are connected, pipeline feeds in the homogeneous groove 1.
Through the value of pH meter 5 detection wastewater pH, judge when needing to add reagent that the valve by central controller 17 control unlatching chemical tanks 6 adds an amount of reagent in homogeneous groove 1.
Described pH meter 5 is installed on the supervisory control desk 16, and probe is stretched in the homogeneous groove, can give online mensuration at random to the pH value of waste water, the result who measures passes to central controller 17, by the result data of central controller 17 according to measurement, is controlled adding parameters such as amount of reagent subsequently.
Homogeneous groove 1 bottom sets out the mouth of a river, and is communicated with by waste water pump system 7 with the water-in of biochemical treatment tank; Waste water pump system 7 includes before the motor, waste water pump, pipeline, waste water pump or the valve behind the waste water pump etc.Waste water pump system 7 pumps into waste water in the biochemical treatment tank 10 in homogeneous groove 1.
Waste water pump system 7 is installed in the casing 19.
In waste water pump system 7 pipelines, also be provided with strainer 9, be used for filtering the throw out of homogeneous groove through producing after the chemical neutralization reaction.This strainer 9 can be arranged on the water-in of biochemical treatment tank 10.Before strainer 9 water-ins, also be provided with pressure transmitter 8, be used for detecting strainer 9 preceding pipeline water pressures, and, help to judge the working order of strainer according to the situation of pressure change, promptly help to judge the opportunity of changing strainer.Pressure transmitter 8 is electrically connected with central controller 17, and implements control corresponding, display alarm etc.
Biochemical treatment tank 10 is a box describe device.The mobile direction of water in biochemical treatment tank 10, gac web plate 12 vertically is set, space in the biochemical treatment tank is divided into the space of 10a, two intercommunications of 10b relatively, the 10a that waste water enters biochemical treatment tank at interval after, by gac web plate 12, enter 10b more at interval.Arranged transversely gac web plate 12 in biochemical treatment tank 10 can further consume the organism that contains in heavy metal ion and the waste water.
At suitable secure location oxygen increasing pump 14 is set, bottom in the biochemical treatment tank is stretched in the air outlet of oxygen increasing pump 14, and lower part outlet can also connect aeration tube.By oxygen increasing pump, in biochemical treatment tank, pump into air.Oxygen increasing pump can be a gas blower class air-supply arrangement.Oxygen increasing pump 14 can be electrically connected with central controller realizes control automatically.
In order to control the elevation of water surface of biochemical treatment tank 10 automatically, second water level switch, 11, the second water level switches 11 can be set in biochemical treatment tank 10 again be provided with high and low water level reference mark.Second water level switch can directly be electrically connected and realize the unit control function with electrical parts such as waste water pump system 7, biochemical treatment tank water discharge valves 15, also can be electrically connected the automatic control that realizes whole purification system with central controller 17.The mode that installs and fixes of second water level switch 11, variety type can be identical with first water level switch 3.
Biochemical treatment tank 10 bottoms are provided with water outlet and water discharging valve 15.Can also be at the biochemistry place then the bottom in pond sewage draining exit and sewage draining valve are set, be used for sedimentary mud in the treating pond is discharged.
In order to detect, control the organic content in biochemical treatment tank 10 waste water, waste water COD rapid determination instrument 13 can be set in biochemical treatment tank 10.13 manual operations separately of COD rapid determination instrument also can be electrically connected with central controller 17 and realize control automatically.
Described central controller 17 is made of PLC control unit and relay control driver element.Central controller 17 is electrically connected with water intaking valve or intake pump system 2, first water level switch 3, agitator 4, pH meter 5, waste water pump system 7, pressure transmitter 8, second water level switch 11, COD rapid determination instrument 13, chemical tank valve 6, water discharge valve 15 and oxygen increasing pump 14 etc., program by default among the PLC gives sequential control to these unit.
In addition,, can also be connected, realize the Long-distance Control wastewater treatment process with machine such as remote computer by central controller 17.
Described central controller 17 is arranged in the supervisory control desk 16, and supervisory control desk 16 is fixed on the top of waste water pump system installation casing 19, the side of chemical tank 6.
In addition, in the supervisory control desk 16 telltales such as indicating meter, pilot lamp or warning howler can also be set, and be electrically connected, be used for display process process or result data with central controller 17.
Secondly, homogeneous groove 1 can be combined into an integral body equipment with biochemical treatment tank 10.
Claims (9)
1. an inorganic wastewater purifying treatment machine comprises homogeneous groove, first water level switch, agitator, pH meter, chemical tank, waste water pump system, strainer, biochemical treatment tank, activated carbon web plate, water discharge valve, reaches central controller, it is characterized in that:
The homogeneous groove is provided with water-in and water outlet; Outside waste water enters the homogeneous groove by water-in, and water outlet is communicated with biochemical treatment tank by the waste water pump system, and the waste water pump system pumps into biochemical treatment tank with the waste water in the homogeneous groove; The activated carbon web plate is arranged in the biochemical treatment tank;
In the waste water pump system pipeline, also be provided with strainer;
First water level switch, agitator are fixed on the homogeneous groove;
The pipeline that the chemical tank outlet is provided with draining valve and is connected, pipeline feed in the homogeneous groove;
The pH meter is fixed on the supervisory control desk, and probe is stretched in the waste water in the homogeneous groove;
Described central controller is electrically connected with homogeneous groove water intaking valve, first water level switch, agitator, pH meter, chemical tank, waste water pump system and biochemical treatment tank water discharge valve etc., and these members is given sequential control.
2. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that also being provided with pressure transmitter between pump discharge in the waste water pump system pipeline and the strainer water-in, and pressure transmitter is electrically connected with central controller.
3. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that telltales such as indicating meter, pilot lamp or warning howler also are installed on the supervisory control desk, and is electrically connected and is subjected to it to control with central controller.
4. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that being provided with in the biochemical treatment tank second water level switch, and second water level switch is electrically connected with central controller.
5. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that COD rapid determination instrument also is set in the biochemical treatment tank, is electrically connected with central controller.
6. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that oxygen increasing pump also is set in the biochemical treatment tank, is electrically connected with central controller.
7. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that the second waste water pump system that is provided with between homogeneous groove and biochemical treatment groove, the waste water in the biochemical treatment groove is drawn back in the homogeneous groove handled again.
8. according to claim 2,3,4,5,6 or 7 described inorganic wastewater purifying treatment machines, it is characterized in that machines such as central controller and remote computer are connected, and realize the Long-distance Control wastewater treatment process.
9. inorganic wastewater purifying treatment machine according to claim 1 is characterized in that also comprising wastewater collection pond, intake pump system, homogeneous groove water-in and wastewater collection pond, intake pump system connectivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200621770U CN2813601Y (en) | 2005-08-03 | 2005-08-03 | Inorganic waste water purifying treatment machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200621770U CN2813601Y (en) | 2005-08-03 | 2005-08-03 | Inorganic waste water purifying treatment machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2813601Y true CN2813601Y (en) | 2006-09-06 |
Family
ID=36948685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200621770U Expired - Fee Related CN2813601Y (en) | 2005-08-03 | 2005-08-03 | Inorganic waste water purifying treatment machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2813601Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041536B (en) * | 2007-04-30 | 2010-07-14 | 李保标 | Integrated waste water treating machine |
| CN103319029A (en) * | 2013-07-09 | 2013-09-25 | 沧州市博锐达数控科技有限公司 | Fully-automatic waste acid treatment device |
| CN105923886A (en) * | 2016-03-17 | 2016-09-07 | 深圳市东华园林股份有限公司 | Sewage recycling purification treatment system and method using the system |
| CN109523094A (en) * | 2018-12-21 | 2019-03-26 | 哈尔滨工程大学 | A kind of ship saline sewage processing control forecasting system and prediction technique based on wavelet neural network |
-
2005
- 2005-08-03 CN CNU2005200621770U patent/CN2813601Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041536B (en) * | 2007-04-30 | 2010-07-14 | 李保标 | Integrated waste water treating machine |
| CN103319029A (en) * | 2013-07-09 | 2013-09-25 | 沧州市博锐达数控科技有限公司 | Fully-automatic waste acid treatment device |
| CN105923886A (en) * | 2016-03-17 | 2016-09-07 | 深圳市东华园林股份有限公司 | Sewage recycling purification treatment system and method using the system |
| CN109523094A (en) * | 2018-12-21 | 2019-03-26 | 哈尔滨工程大学 | A kind of ship saline sewage processing control forecasting system and prediction technique based on wavelet neural network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Kerric Laboratory Equipment Research Co., Ltd. Assignor: Li Baobiao Contract fulfillment period: 2008.6.18 to 2015.7.18 Contract record no.: 2008440000122 Denomination of utility model: Inorganic waste water purifying treatment machine Granted publication date: 20060906 License type: Exclusive license Record date: 20080620 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.18 TO 2015.7.18 Name of requester: GUANGDONG KE YI PU LABORATORY EQUIPMENT DEVELOPME Effective date: 20080620 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20120803 |