CN106006807A - Low-temperature distillation system - Google Patents
Low-temperature distillation system Download PDFInfo
- Publication number
- CN106006807A CN106006807A CN201610648095.7A CN201610648095A CN106006807A CN 106006807 A CN106006807 A CN 106006807A CN 201610648095 A CN201610648095 A CN 201610648095A CN 106006807 A CN106006807 A CN 106006807A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outlet
- distillation system
- heating medium
- temperature distillation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Abstract
The invention discloses a low-temperature distillation system. The low-temperature distillation system comprises an evaporating chamber, a condensation chamber communicated with the evaporating chamber through a steam pipe, a first heat exchanger, a second heat exchanger and a third heat exchanger, a refrigerant inlet of the second heat exchanger is connected to a water inlet, a refrigerant outlet of the second heat exchanger is connected to the refrigerant inlet of the first heat exchanger, a refrigerant outlet of the first heat exchanger is connected to the evaporating chamber, a heating medium inlet and a heating medium outlet of the first heat exchanger are connected to a heat source, an output end of the evaporating chamber is connected to a concentrate outlet, a heating medium inlet of the second heat exchanger is connected to an outlet of the condensation chamber, a heating medium outlet of the second heat exchanger is connected to a heating medium inlet of the third heat exchanger, and a heating medium outlet of the third heat exchanger is connected to an inlet of the condensation chamber. The low-temperature distillation system fully utilizes waste heat, does not pollute the environment, realizes zero discharge (irrespective of salty mud), is simple and stable, can be self-adjusted and has a running cost 50% lower than that of the reverse osmosis method.
Description
Technical field
The present invention relates to a kind of water treatment system, be specifically related to a kind of low temperature distillation system, belong to water and process skill
Art field.
Background technology
Boiler feed water has the requirement that comparison is high to water quality, and the technology of current main employing is ion exchange resin,
Membrane technology, chemical agent/High-Temperature Deoxygenation；The defect of this technology is complex operation, and operation/maintenance cost is higher,
And the service life of membrane module is short；Currently, most steam power plant all has residue used heat, especially summer
My god；A lot of discarded thermals source can be produced, both wasted resource, environment can be given again.
Summary of the invention
For solving the problems referred to above, the present invention proposes a kind of low temperature distillation system, installs simple, low cost；
Water inlet after heating is liquefied subsequently into condensation chamber in low-pressure chamber gasification, high treating effect.
The low temperature distillation system of the present invention, including the vaporization chamber connected by steam pipe and condensation chamber, first is changed
Hot device, the second heat exchanger and the 3rd heat exchanger；Its coolant import of described second heat exchanger is connected to water inlet；
Its refrigerant exit of second heat exchanger is connected to its coolant import of First Heat Exchanger；Its coolant of described First Heat Exchanger
Outlet is connected to vaporization chamber；Its Heating medium of described First Heat Exchanger and outlet are connected to thermal source；Described evaporation
Room outfan is connected to concentrated solution outlet；Described its Heating medium of second heat exchanger is connected to condensation chamber outlet；
The outlet of described its heating agent of second heat exchanger is connected to the 3rd its Heating medium of heat exchanger；Described 3rd heat exchanger its
Heating agent outlet is connected to condensation chamber entrance；Described its coolant import of 3rd heat exchanger and refrigerant exit are connected to cold
But device；Connect between the outlet of described its heating agent of second heat exchanger and the 3rd its Heating medium of heat exchanger and have pure water mouth.
Further, described thermal source is the used heat of steam power plant；Described used heat includes hot water, low-pressure steam or height
One or more in temperature flue gas；Described water inlet its connect running water pipe, waste pipe, river pipe or
One or more in foggara.
Further, between described vaporization chamber and its coolant import of the second heat exchanger, connection has the first circulating pump；
Described between 3rd heat exchanger its coolant import and refrigerant exit, the second circulating pump is installed；Described pure water mouth enters
The 3rd pump it is provided with at Kou.
Further, described vaporization chamber and condensation chamber are provided with multistage；The described vaporization chamber connection of the superior and the subordinate,
The described condensation chamber connection of the superior and the subordinate.
Further, described water inlet is provided with preprocessor；Described pure water mouth is provided with subsequent processor.
Further, described water inlet and pure water mouth are all connected to water tank；Liquid level is installed in described water tank pass
Sensor；Described liquid level sensor, the first circulating pump, the second circulating pump and the 3rd pump are connected respectively to controller；
Described controller is by wireless module and remote terminal communication.
The present invention compared with prior art, the low temperature distillation system of the present invention, utilize high efficiency spray to produce thin
Microlayer model, utilizes temperature difference to produce high-quality pure water (electrical conductivity is less than 5us/cm) to greatest extent, can be used for
Reclaim the highest waste water of salinity (reverse osmosis concentrated liquid exports for sea water, bitter)；Can make full use of useless
Heat, free from environmental pollution, zero-emission (disregarding brine sludge) can be realized；System is simple, stable, can be with self regulation；
Operating cost is lower by 50% than reverse osmosis, low power consumption l-3kWh/m3, there is no consumable accessory, it is not necessary to change membrane module,
Automatic Control can be realized.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention 1 structural representations.
Fig. 2 is embodiments of the invention 2 structural representations.
Detailed description of the invention
Embodiment 1:
As it is shown in figure 1, the low temperature distillation system of the present invention, including the vaporization chamber 2 connected by steam pipe 1
With condensation chamber 3, First Heat Exchanger the 4, second heat exchanger 5 and the 3rd heat exchanger 6；When coolant-temperature gage is more than 30 DEG C,
Just being gasified totally when entering vaporization chamber 2, steam water conservancy diversion enters condensation chamber and cools down further；Based on temperature difference,
Steam after vaporization is automatically imported condensation chamber 3 and condenses；Described its coolant import of second heat exchanger 5 is connected to
Water inlet 11；Second its refrigerant exit of heat exchanger 5 is connected to its coolant import of First Heat Exchanger 4；Described
One its refrigerant exit of heat exchanger 4 is connected to vaporization chamber 2；Described its Heating medium of First Heat Exchanger 4 and outlet are even
Receive thermal source 7；Described vaporization chamber 2 outfan is connected to concentrated solution outlet 8；Its heat of described second heat exchanger 5
Matchmaker's import is connected to condensation chamber 3 and exports；Described second its heating agent of heat exchanger 5 outlet is connected to the 3rd heat exchanger 6
Its Heating medium；Described 3rd its heating agent of heat exchanger 6 outlet is connected to condensation chamber 3 entrance；Described 3rd changes
Its coolant import of hot device 6 and refrigerant exit are connected to cooler 9；Described second its heating agent of heat exchanger 5 outlet and
Connect between 3rd its Heating medium of heat exchanger 6 and have pure water mouth 10.
Wherein, described thermal source 7 is the used heat of steam power plant；Described used heat includes hot water, low-pressure steam or high temperature
One or more in flue gas；Described water inlet 11 its connect running water pipe, waste pipe, river pipe or
One or more in foggara.Connect between described vaporization chamber 2 and its coolant import of the second heat exchanger 5
There is the first circulating pump 12；Described it be provided with second between 3rd heat exchanger 6 its coolant import and refrigerant exit and follow
Ring pump 13；Described pure water mouth 10 import department is provided with the 3rd pump 14.Described vaporization chamber 2 and condensation chamber 3 are equal
It is provided with level Four；The described vaporization chamber 2 of the superior and the subordinate connects, and the described condensation chamber 3 of the superior and the subordinate connects.Described
Water inlet 11 is provided with preprocessor 15；Described pure water mouth 10 is provided with subsequent processor 16.Described water inlet
Mouth 11 and pure water mouth 10 are all connected to water tank (not shown)；In described water tank, liquid level sensor is installed；Institute
State liquid level sensor, the first circulating pump, the second circulating pump and the 3rd pump and be connected respectively to controller；Described control
Device processed is by wireless module and remote terminal communication；Above-mentioned parts are interrelated；In emergency circumstances, liquid level passes
Sensor can be reported to the police or close whole system；By the Internet, technical staff can realize Remote and process
Technique thus reduce human cost.
Embodiment: 2:
The low temperature distillation system of the present invention, designs water-yielding capacity 4000 cubic metre/day, by making full use of heat
The discarded thermal source (hot water, low-pressure steam, or flue gas) of power plant processes water inlet (subsoil water, river
Or waste water) to provide the high-quality distilled water required for boiler, its specific design parameter is as follows:
Thermal source 1: hot water, 800～1000 cubes ms/h, inflow temperature is 95～90 DEG C,
Or thermal source 2: steam, 0.6～1.0MP, 240～280 DEG C, 25～35 ton hour；
Or thermal source 3: flue gas, required flue gas volume is according to depending on effluent gas temperature；
Cooling water: 2500～3000 cubes ms/h, inflow temperature is less than 30 DEG C, leaves low temperature distillation system
During system, coolant-temperature gage will remain in more than 42 degree；Water source is tap water, subsoil water, river, or waste water, 200
Cube m/h；
As in figure 2 it is shown, described vaporization chamber and condensation chamber are provided with two-stage；The described vaporization chamber of the superior and the subordinate is even
Logical, the described condensation chamber connection of the superior and the subordinate.
The low temperature distillation system of the present invention, utilizes used heat (hot water, low-pressure steam, or the high temperature of steam power plant
Flue gas) preheat into water (tap water, waste water, river or subsoil water), the water inlet after heating is in low pressure
Room gasification is liquefied subsequently into condensation chamber；Pure water conductivity after its processing is less than 5uS/cm, and dissolved oxygen is less than
20ppb, can be directly as boiler feed water；The low temperature distillation system of the present invention, based on modularized design, equipment
Being placed in container convenient transport, in-site installation is simple, requires low to peripheral civil engineering.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (6)
1. a low temperature distillation system, it is characterised in that: include vaporization chamber and the condensation connected by steam pipe
Room, First Heat Exchanger, the second heat exchanger and the 3rd heat exchanger；Its coolant import of described second heat exchanger connects
To water inlet；Its refrigerant exit of second heat exchanger is connected to its coolant import of First Heat Exchanger；Described first changes
Its refrigerant exit of hot device is connected to vaporization chamber；Its Heating medium of described First Heat Exchanger and outlet are connected to thermal source；
Described vaporization chamber outfan is connected to concentrated solution outlet；Described its Heating medium of second heat exchanger is connected to condensation
Room exports；The outlet of described its heating agent of second heat exchanger is connected to the 3rd its Heating medium of heat exchanger；Described 3rd
The outlet of its heating agent of heat exchanger is connected to condensation chamber entrance；Described 3rd heat exchanger its coolant import and refrigerant exit
It is connected to cooler；Connect between the outlet of described its heating agent of second heat exchanger and the 3rd its Heating medium of heat exchanger
There is pure water mouth.
Low temperature distillation system the most according to claim 1, it is characterised in that: described thermal source is steam power plant
Used heat；Described used heat includes one or more in hot water, low-pressure steam or high-temperature flue gas；Described enter
One or more in its connection running water pipe of the mouth of a river, waste pipe, river pipe or foggara.
Low temperature distillation system the most according to claim 1, it is characterised in that: described vaporization chamber and second
Connect between its coolant import of heat exchanger and have the first circulating pump；Described 3rd heat exchanger its coolant import and coolant
Second circulating pump is installed between outlet；Described pure water mouth import department is provided with the 3rd pump.
Low temperature distillation system the most according to claim 1, it is characterised in that: described vaporization chamber and condensation
Room is provided with multistage；The described vaporization chamber connection of the superior and the subordinate, the described condensation chamber connection of the superior and the subordinate.
Low temperature distillation system the most according to claim 1, it is characterised in that: described water inlet is provided with
Preprocessor；Described pure water mouth is provided with subsequent processor.
Low temperature distillation system the most according to claim 1, it is characterised in that: described water inlet and pure water
Mouth is all connected to water tank；In described water tank, liquid level sensor is installed；Described liquid level sensor, the first circulation
Pump, the second circulating pump and the 3rd pump are connected respectively to controller；Described controller passes through wireless module with long-range
Terminal communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648095.7A CN106006807A (en) | 2016-08-09 | 2016-08-09 | Low-temperature distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648095.7A CN106006807A (en) | 2016-08-09 | 2016-08-09 | Low-temperature distillation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006807A true CN106006807A (en) | 2016-10-12 |
Family
ID=57134979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648095.7A Pending CN106006807A (en) | 2016-08-09 | 2016-08-09 | Low-temperature distillation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006807A (en) |
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| JPH09108653A (en) * | 1995-10-16 | 1997-04-28 | Nkk Corp | Seawater desalination device |
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Application publication date: 20161012 |