CN207581566U - A kind of waste water high-efficiency processing system - Google Patents
A kind of waste water high-efficiency processing system Download PDFInfo
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- CN207581566U CN207581566U CN201721580994.4U CN201721580994U CN207581566U CN 207581566 U CN207581566 U CN 207581566U CN 201721580994 U CN201721580994 U CN 201721580994U CN 207581566 U CN207581566 U CN 207581566U
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- heat exchanger
- waste water
- process cartridge
- liquid separation
- separation chamber
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Abstract
The utility model belongs to technical field of waste water processing, specifically disclose a kind of waste water high-efficiency processing system, including vapor-liquid separation chamber, main heat exchanger, supplementary heat exchanger, heater and make waste water from supplementary heat exchanger flow to main heat exchanger transport pump, the waste water side outlet of main heat exchanger is connected with heater, and heater is connected with vapor-liquid separation chamber；The top of vapor-liquid separation chamber and the steam side inlet communication of main heat exchanger, the steam side outlet of main heat exchanger and the hot water side inlet communication of supplementary heat exchanger.Waste water is handled using this system, while electroplating rinse water is effectively treated, thermal cycle utilization and the thermal efficiency is improved, saves a large amount of energy and operating cost.
Description
Technical field
The utility model belongs to technical field of waste water processing more particularly to a kind of waste water high-efficiency processing system.
Background technology
There are many purposes of water industrially, and typical commercial Application has：Industrial water, rinsing water, washing and cooling are used
Water, it means that the industrial largely waste water containing various high density pollution object that has generates.With industrial rapid hair
Exhibition, the type and quantity of waste water rapidly increase, also increasingly extensively and serious to the pollution of water body, threaten the health and peace of the mankind
Entirely, in most cases, these waste water are needed after being handled in built-in system, can just be discharged into public drainage or river
In stream, lake and ocean.
Electroplating rinse water is one kind of industrial wastewater, at present, it is general to the processing mode of electroplating rinse water there are two types of, when
Electroplating rinse water is collected using large-scale water tank, by counter-infiltration system come recycle-water, is accounted for however, this kind of mode exists
The defects of ground area is big, the rate of recovery is low；Second is that being heated to electroplating rinse water, electroplating rinse water is concentrated by evaporation, evaporated
To distilled water can recycle, remaining concentrate then is allowed to become solid by adding chemical agent, as solid waste
It is handled, makes to handle in this way, a large amount of energy need to be expended, it is with high costs, and also the energy cannot be repeated effectively
It utilizes, leads to the wasting of resources.
Utility model content
The purpose of this utility model is to provide a kind of waste water high-efficiency processing systems, and the same of electroplating rinse water is effectively treated
When, thermal cycle utilization and the thermal efficiency are improved, saves a large amount of energy and operating cost.
In order to achieve the above object, the base case of the utility model is：A kind of waste water high-efficiency processing system, including vapour-liquid
Separation chamber, main heat exchanger, supplementary heat exchanger, heater and waste water is made to flow to the transport pump of main heat exchanger from supplementary heat exchanger, it is main
The waste water side outlet of heat exchanger is connected with heater, and heater is connected with vapor-liquid separation chamber；The top of vapor-liquid separation chamber is changed with master
The steam side inlet communication of hot device, the steam side outlet of main heat exchanger and the hot water side inlet communication of supplementary heat exchanger.
The operation principle of this base case is：When handling waste water, waste water is successively transported to auxiliary using transport pump and is changed
It is heated in hot device and main heat exchanger, after main heat exchanger heats waste water, the temperature of waste water can be made to reach 50-70
℃.The waste water of main heat exchanger is transported in heater, waste water is heated to fluidized state by heater, and vapor-liquid separation chamber will heat
The steam discharge that device heats, remaining effluent part have been stayed in vapor-liquid separation chamber.The steam of discharge passes to latent heat
Waste water in main heat exchanger, steam are converted into hyperthermal distilled water due to the transmission of heat.Hyperthermal distilled water is passed through auxiliary heat-exchanging
In device, hyperthermal distilled water transfers heat to the waste water in supplementary heat exchanger, is then discharged out, and the distilled water of the discharge can be direct
For industrial production.After waste water circular treatment a period of time, the waste water in vapor-liquid separation dress room is gradated as concentrate, this
When by concentrate discharge vapor-liquid separation dress room, then to concentrate carry out curing process.
The advantageous effect of this base case is：
1st, waste water is handled using this system, waste water is followed by heating generation steam, steam as regeneration heat source
Ring utilizes, and hot transmission is carried out to waste water；During circulating heat transfer, steam, which is also able to cool down rapidly in itself, becomes high temperature distillation
Water, after hyperthermal distilled water transfers heat to the waste water in supplementary heat exchanger, eventually become can reuse condensed water, the condensed water
It can be applied in industrial production again, save resource, reduce the production cost of enterprise.
2nd, waste water has been carried out to heat for the first time since hyperthermal distilled water is utilized, has increased the temperature of waste water, recycle
High-temperature steam carries out reheating to waste water, and the temperature of waste water is enable to rise to 50-70 DEG C, waste water finally is heated to boiling-like
It only needs to consume less energy during state.Waste water is directly heated to fluidized state, 1 ton of water of heating need to consume 200-300 degree electricity,
And this technique is used, 1 ton of water of heating only needs consumption 50-60 degree electricity to fluidized state, and the energy is greatly saved.
3rd, using this system, aperiodicity replaces component and drug input, and without additional chlorination equipment, (100% high temperature kills
Bacterium), therefore a large amount of operating costs can be reduced.
Further, further include to the vapour compression machine that is pressurized of vapor-liquid separation chamber's discharge steam, vapour compression machine into
Vapour end is connected with vapor-liquid separation chamber, the exhaust steam end of vapour compression machine and the steam side inlet communication of main heat exchanger.Vapour pressure is set
Contracting machine, both vapor compression function carry out supercharging heating treatment to the steam of discharge, and steam is made to have higher interior energy.
Further, circulating pump is further included, the inlet of circulating pump is connected with vapor-liquid separation chamber, the liquid outlet of circulating pump and master
Heat exchanger connects.The waste water in vapor-liquid separation chamber can easily be made to be transferred in main heat exchanger by circulating pump, waste water can be in vapour
It is recycled between liquid separation chamber, main heat exchanger and heater, waste water is made to be always maintained at higher temperature.
Further, further include demister, the demister be located at it is gas-liquid separated between vapour compression machine and respectively with
Vapor-liquid separation chamber connects with vapour compression machine.It heats in obtained steam and contains moisture, it is also dissolved with sulfuric acid, sulfate, dioxy
Pollution and the heavy corrosion of equipment can be caused by changing substances, these substances such as sulphur, can also influence the quality of the distilled water of recycling, to steaming
The operation that vapour carries out demisting can effectively remove these substances, and the distilled water that equipment is corroded and recycles is avoided to be contaminated.
Further, concentration liquid bath and the slag liquid for the concentrate in vapor-liquid separation chamber to be drained into concentration liquid bath are further included
Pump.After waste water circular treatment a period of time, the waste water in vapor-liquid separation chamber is converted into concentrate, can be convenient using slag liquid pump
Concentrate is discharged.
Further, the fixing the handles device handled concentrate is further included, fixing the handles device includes closed plate, interior
Portion is provided with the motor of the shaft of cavity, the process cartridge of lower ending opening and drive shaft rotation, and the lower end of shaft passes through process cartridge simultaneously
In process cartridge, side wall on the downside of shaft be equipped with it is multiple can only be to the unilateral gate of shaft external opening；The top of process cartridge
Equipped with pressure valve, the lower part of process cartridge is connected with inlet tube, and inlet tube is equipped with the first check valve；It is slidably connected in process cartridge
Push plate, push plate are threaded in shaft, and push plate is equipped with the second check valve；The inner wall of process cartridge lower end is provided with recessed
Slot, the side wall of closed plate are provided with sliding slot, the voussoir that can be engaged with groove are slidably connected in sliding slot, is connected between voussoir and sliding slot
There is spring；The push rod that voussoir can be pushed back in sliding slot is fixed in push plate, the inner wall of process cartridge is provided with the item for push rod activity
Shape slot.
When the pressure increase in shaft, unilateral gate can automatically open, and the gas in shaft can be arranged by unilateral gate
Go out.When the pressure in process cartridge lower part reduces, the first check valve can automatically open, under the action of pressure difference, concentrate
The lower part of process cartridge can be entered by the first check valve；And when the pressure increase in process cartridge lower part, the second check valve energy
Enough automatically open.
When carrying out curing process to concentrate, voussoir is made to be fastened in groove, it is ensured that closed plate is by the lower end seal of process cartridge
It closes.Quick lime is put into process cartridge and positioned at the top of push plate, then starts motor, motor is made to be driven by shaft and is pushed
Plate moves upwards, and push plate drives quick lime upward together, and push plate squeezes quick lime, and quick lime is made to become to crush.At this
In the process, the pressure on process cartridge top constantly increases, and when pressure increases to the preset value of pressure valve, pressure valve is opened, and is avoided
It explodes due to pressure is excessive on the top of process cartridge.During push plate moves upwards, the pressure of process cartridge lower part subtracts
Small, the first check valve is opened at this time, and concentrate can enter the lower part of process cartridge by inlet tube.When push plate is up to centainly
After degree, the steering for changing motor while, is constantly passed through carbon dioxide in shaft, at this time the pressure increase in shaft, unidirectionally
Door is opened, and carbon dioxide can enter the lower part of process cartridge by unilateral gate.At the same time, motor drives push plate by shaft
Slide downward, the pressure on process cartridge top reduces at this time and the pressure of lower part increases, and the second check valve is opened, process cartridge lower part
Gas adds to the top of process cartridge, eliminates the pressure difference between process cartridge upper and lower part；And the gravity in quick lime is made
Under, the quick lime in push plate falls on the lower part of process cartridge by the second check valve, at this time quick lime, concentrate and titanium dioxide
Carbon comes into full contact with, and quick lime first reacts generation calcium hydroxide with the water in concentrate, and calcium hydroxide is given birth to again with carbon dioxide reaction
Into calcium carbonate, with the continuous progress of time, the substance of process cartridge lower part is gradually cured as solid.When push plate is gone downwards to centainly
During degree, push rod is contacted with voussoir, and voussoir is by the downward active force that push rod applies and in retraction sliding slot, at this time due to not having
The supporting role of voussoir, under the gravity of solid, solid and closed plate are detached from process cartridge.
Curing process is carried out using this fixing the handles device, during push plate uplink, push plate can be broken by quick lime press-powder, profit
It fully reacts in quick lime and the water in concentrate, at the same time, concentration liquid energy is sucked into the lower part of process cartridge, is not required to people
For carry out feeding, mitigate the labor intensity of worker.When shaft drives push plate downlink, quick lime is fallen into concentrate, and two
Carbonoxide is also passed by unilateral gate in concentrate, and since shaft is rotated constantly, the carbon dioxide of ejection is in concentrate
Also it is constantly stirred, material can be effectively stirred while reaction raw materials are served as, make material distribution more uniform and make
Reaction carries out quicker.When push plate downlink to a certain extent after, closed plate be detached from process cartridge, the solid after curing is with envelope
Closing plate is automatically transferred to the outside of process cartridge together, takes out material without artificial, very convenient.
Further, the inner wall of process cartridge lower end is equipped with rubber ring, and rubber ring is bonded with the upper surface of closed plate.Rubber ring energy
By the gap sealing between closed plate and process cartridge, the leakproofness of intensifier can effectively avoid the material in process cartridge from leading to
Cross gap discharge.
Description of the drawings
Fig. 1 is a kind of structure diagram of waste water high-efficiency processing system of the present invention；
Fig. 2 is the structure diagram of fixing the handles device.
Specific embodiment
The utility model is described in further detail below by specific embodiment：
Reference numeral in Figure of description 1 to 2 includes：Vapor-liquid separation chamber 1, demister 2, vapour compression machine 3, heater
4th, main heat exchanger 5, slag liquid pump 6, circulating pump 7, supplementary heat exchanger 8, transport pump 9, process cartridge 10, inlet tube 11, the first check valve
12nd, bar-shaped trough 13, rubber ring 14, pressure valve 15, motor 20, shaft 30, unilateral gate 31, cavity 32, closed plate 40, voussoir 41,
Spring 42, push plate 50, the second check valve 51, push rod 52.
Embodiment 1
As shown in Figure 1, a kind of waste water high-efficiency processing system, including vapor-liquid separation chamber 1, main heat exchanger 5, supplementary heat exchanger 8,
Vapour compression machine 3, heater 4 and for make waste water from supplementary heat exchanger 8 flow to main heat exchanger 5 transport pump 9, in the present embodiment
In, heater 4 is electric heater.The lower part of vapor-liquid separation chamber 1 is connected by circulating pump 7 with the waste water side-entrance of main heat exchanger 5,
Start circulating pump 7, the waste water in vapor-liquid separation chamber 1 can be transported to side of the main heat exchanger 5 for storing wastewater.Main heat exchanger
5 waste water side outlet is connected with heater 4, and the other end of heater 4 is connected with vapor-liquid separation chamber 1, and heater 4 is to from main heat exchange
The waste water that device 5 is discharged is heated to boiling, and the waste water by heating is transported in vapor-liquid separation chamber 1, and vapor-liquid separation chamber 1 is by heater
The steam discharge that 4 heating obtain, and remaining waste water is stayed in vapor-liquid separation chamber 1.Connect at the steam outlet of vapor-liquid separation chamber 1
Demister 2 is connected to, demister 2 can remove the substances such as moisture, sulfuric acid, the sulfate in devaporation；The steam outlet of demister 2
It is connected with vapour compression machine 3, vapour compression machine 3 carries out supercharging heating treatment to the steam of discharge.Vapour compression machine 3 and main heat exchange
The steam side inlet communication of device 5, the steam through supercharging enter in main heat exchanger 5 to be located at the waste water of 5 waste water side of main heat exchanger into
Row heats, and steam releases partial heat and is converted into hyperthermal distilled water in this process.The steam side outlet of main heat exchanger 5 with
The hot water side inlet communication of supplementary heat exchanger 8, hyperthermal distilled water can be entered in supplementary heat exchanger 8 in supplementary heat exchanger 8
Waste water heated, to waste water heat after discharge supplementary heat exchanger 8；The waste water side outlet of supplementary heat exchanger 8 and main heat exchanger 5
Waste water side-entrance connection, transport pump 9 will by hyperthermal distilled water heating waste water be transported to from the waste water side of supplementary heat exchanger 8
The waste water side of main heat exchanger 5 is further heated by main heat exchanger 5.
When handling waste water, waste water is transported in supplementary heat exchanger 8 and is heated, then will heated through supplementary heat exchanger 8
Waste water is transported in main heat exchanger 5, and main heat exchanger 5 heats waste water, and waste water is made to be heated to 50-70 DEG C.By main heat exchanger 5
Waste water be transported in heater 4, waste water is heated to fluidized state by heater 4, and heater 4 heats in vapor-liquid separation chamber 1
The steam arrived is discharged, and demister 2 is except substances such as moisture, sulfuric acid, the sulfate in devaporation in discharge process；Then steam is utilized
Compressor 3 carries out supercharging heating treatment to the steam of discharge；Remaining waste water is stayed in vapor-liquid separation chamber 1, then passes through cycle
Waste water in vapor-liquid separation chamber 1 is recycled to main heat exchanger 5 by pump 7.The steam being pressurized through vapour compression machine 3 has been passed through main heat exchange
In device 5, latent heat is passed to the waste water in main heat exchanger 5 by steam, and steam is converted into hyperthermal distilled water due to heat transfer.It is high
Warm distilled water is passed through in supplementary heat exchanger 8, and hyperthermal distilled water transfers heat to the waste water in supplementary heat exchanger 8, is then discharged out,
The distilled water of the discharge can be directly used for industrial production.After waste water circular treatment a period of time, in vapor-liquid separation dress room
Waste water is gradated as concentrate, at this time using slag liquid pump 6 by concentrate discharge vapor-liquid separation dress room, then concentrate is consolidated
Change is handled.
Embodiment 2
The present embodiment and embodiment 1 difference lies in：Waste water high-efficiency processing system further includes fixing the handles device, such as Fig. 2
Shown, fixing the handles device includes the motor 20 that closed plate 40, shaft 30, process cartridge 10 and drive shaft 30 rotate, in this reality
It applies in example, motor 20 is rotated by belt drive shaft 30.The inside of shaft 30 is provided with cavity 32, and the upper end of shaft 30 is connected with
Rotary joint is connected with snorkel on rotary joint, due to being provided with rotary joint, when shaft 30 rotates, avoids leading to
Tracheae is intertwined.The lower end of shaft 30 passes through process cartridge 10 and in process cartridge 10, is set on the side wall of 30 downside of shaft
Have multiple unilateral gates 31, unilateral gate 31 is respectively positioned on the lower part of process cartridge 10, the unilateral gate 31 can only towards the external opening of shaft 30,
When the pressure increase in shaft 30, unilateral gate 31 can automatically open, and the gas in shaft 30 can pass through 31 row of unilateral gate
Go out.The top of process cartridge 10 is equipped with pressure valve 15, when the preset value of the pressure increase road pressure valve 15 in 10 top of process cartridge,
Pressure valve 15 is opened, and discharges extra gas；The lower part of process cartridge 10 is connected with inlet tube 11, and it is single that inlet tube 11 is equipped with first
To valve 12, when the pressure in 10 lower part of process cartridge reduces, the first check valve 12 can automatically open, in the effect of pressure difference
Under, concentrate can enter the lower part of process cartridge 10 by the first check valve 12.Push plate 50 is slidably connected in process cartridge 10,
The inner wall of process cartridge 10 is equipped with the strip bulge being distributed along short transverse, and the card engaged with strip bulge is provided in push plate 50
Slot, under the limitation of strip bulge, push plate 50, which cannot rotate, to be slided up and down along strip bulge.50 screw thread of push plate connects
It is connected in shaft 30, starts motor 20, motor 20 drives shaft 30 to rotate, and shaft 30 can drive push plate 50 to be done along shaft 30
Linear motion.Push plate 50 is equipped with the second check valve 51, when the pressure increase in 10 lower part of process cartridge, the second check valve 51
It can automatically open, the gas in 10 lower part of process cartridge can be transferred to the top of process cartridge 10 by the second check valve 51.Place
The lower ending opening of cylinder 10 is managed, the inner wall of 10 lower end of process cartridge is provided with multiple grooves, and the side wall of closed plate 40 is provided with quantity and groove
Identical sliding slot slidably connects the voussoir 41 that can be engaged with groove in sliding slot, spring 42 is connected between voussoir 41 and sliding slot,
Under the action of a spring 42, what voussoir 41 can be stablized is fastened in groove.The inner wall of 10 lower end of process cartridge is equipped with rubber ring 14,
Rubber ring 14 is bonded with the upper surface of closed plate 40, rubber ring 14 can by the gap sealing between closed plate 40 and process cartridge 10,
The leakproofness of intensifier.Push rod 52 is fixed in push plate 50, the inner wall of process cartridge 10 is provided with the bar shaped for 52 activity of push rod
Slot 13 makes when push rod 52 is moved downwardly to contact with voussoir 41, and under the action of push rod 52, voussoir 41 can be pushed back in sliding slot.
Curing process is carried out using this fixing the handles device, during 50 uplink of push plate, push plate 50 can be by quick lime press-powder
It is broken, it fully reacts conducive to quick lime and the water in concentrate, at the same time, concentration liquid energy is sucked under process cartridge 10
Portion is not required to artificial carry out feeding, mitigates the labor intensity of worker.When shaft 30 drives 50 downlink of push plate, quick lime is fallen
Entering in concentrate, carbon dioxide is also passed by unilateral gate 31 in concentrate, since shaft 30 is rotated constantly, the two of ejection
Carbonoxide is also constantly stirred in concentrate, and material can be effectively stirred while reaction raw materials are served as, and makes material point
Cloth more uniformly and makes reaction carry out quicker.When 50 downlink of push plate to a certain extent after, at 40 disengaging of closed plate
Cylinder 10 is managed, and the solid after curing is automatically transferred to the outside of process cartridge 10 with closed plate 40, material is taken without artificial together
Go out, it is very convenient.
Above-described is only the embodiment of the utility model, and the common sense such as well known concrete structure and characteristic are herein in scheme
It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure
Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with
The effect and practical applicability that the utility model is implemented.This application claims protection domain should be with the content of its claim
Subject to, the records such as specific embodiment in specification can be used for explaining the content of claim.
Claims (7)
1. a kind of waste water high-efficiency processing system, it is characterised in that：Including vapor-liquid separation chamber, main heat exchanger, supplementary heat exchanger, heating
Device and the transport that waste water is made to flow to main heat exchanger from supplementary heat exchanger pump, and the waste water side outlet of main heat exchanger is connected with heater,
Heater is connected with vapor-liquid separation chamber；The top of vapor-liquid separation chamber and the steam side inlet communication of main heat exchanger, main heat exchanger
The hot water side inlet communication of steam side outlet and supplementary heat exchanger.
2. a kind of waste water high-efficiency processing system according to claim 1, it is characterised in that：It further includes and vapor-liquid separation chamber is arranged
Go out the vapour compression machine that steam is pressurized, the admission end of vapour compression machine is connected with vapor-liquid separation chamber, the row of vapour compression machine
Vapour end and the steam side inlet communication of main heat exchanger.
3. a kind of waste water high-efficiency processing system according to claim 2, it is characterised in that：Further include circulating pump, circulating pump
Inlet connected with vapor-liquid separation chamber, the liquid outlet of circulating pump is connected with main heat exchanger.
4. according to a kind of waste water high-efficiency processing system of claim 1-3 any one of them, it is characterised in that：Further include demisting
Device, the demister connect between gas-liquid separation chamber and vapour compression machine and respectively with vapor-liquid separation chamber and vapour compression machine
It is logical.
5. a kind of waste water high-efficiency processing system according to claim 4, it is characterised in that：It further includes concentration liquid bath and is used for
The slag liquid that concentrate in vapor-liquid separation chamber is drained into concentration liquid bath pumps.
6. a kind of waste water high-efficiency processing system according to claim 5, it is characterised in that：It further includes at concentrate
The fixing the handles device of reason, fixing the handles device include closed plate, it is internal be provided with the shaft of cavity, the process cartridge of lower ending opening and
The motor of drive shaft rotation, the lower end of shaft pass through process cartridge and in process cartridge, and the side wall on the downside of shaft is equipped with more
It is a can only be to the unilateral gate of shaft external opening；The top of process cartridge is equipped with pressure valve, and the lower part of process cartridge is connected with inlet tube,
Inlet tube is equipped with the first check valve；Push plate is slidably connected in process cartridge, push plate is threaded in shaft, push plate
It is equipped with the second check valve；The inner wall of process cartridge lower end is provided with groove, and the side wall of closed plate is provided with sliding slot, is slidably connected in sliding slot
There is the voussoir that can be engaged with groove, spring is connected between voussoir and sliding slot；Sliding slot can be pushed back by voussoir by being fixed in push plate
Interior push rod, the inner wall of process cartridge are provided with the bar-shaped trough for push rod activity.
7. a kind of waste water high-efficiency processing system according to claim 6, it is characterised in that：The inner wall of process cartridge lower end is equipped with
Rubber ring, rubber ring are bonded with the upper surface of closed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580994.4U CN207581566U (en) | 2017-11-21 | 2017-11-21 | A kind of waste water high-efficiency processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580994.4U CN207581566U (en) | 2017-11-21 | 2017-11-21 | A kind of waste water high-efficiency processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207581566U true CN207581566U (en) | 2018-07-06 |
Family
ID=62733093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580994.4U Expired - Fee Related CN207581566U (en) | 2017-11-21 | 2017-11-21 | A kind of waste water high-efficiency processing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207581566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798696A (en) * | 2019-01-23 | 2019-05-24 | 江苏科技大学 | A kind of recycling of industrial wastewater waste heat is the high temperature heat pump system and its control method of working medium to water |
-
2017
- 2017-11-21 CN CN201721580994.4U patent/CN207581566U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798696A (en) * | 2019-01-23 | 2019-05-24 | 江苏科技大学 | A kind of recycling of industrial wastewater waste heat is the high temperature heat pump system and its control method of working medium to water |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |