CN107140714A - A kind of utilization heating water return waste heat improves the equipment and technique of reverse osmosis efficiency - Google Patents
A kind of utilization heating water return waste heat improves the equipment and technique of reverse osmosis efficiency Download PDFInfo
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- CN107140714A CN107140714A CN201710482591.4A CN201710482591A CN107140714A CN 107140714 A CN107140714 A CN 107140714A CN 201710482591 A CN201710482591 A CN 201710482591A CN 107140714 A CN107140714 A CN 107140714A
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- water
- heating
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses the equipment and technique that a kind of utilization heating water return waste heat improves reverse osmosis efficiency, a heat exchanger is provided with the water inlet of counter-infiltration system, heat exchanger is provided with heating water return entrance, high-temperature-hot-water entrance, low-temperature water heating is exported, cold water inlet and cooling water outlet, heating water return entrance connects heating system return pipe, high-temperature-hot-water entrance connects drain tank, cold water inlet connects ultrafiltration water tank, cooling water outlet connects the water inlet of counter-infiltration system, the circulating cooling water pipe of low-temperature water heating outlet connection condenser, the blast pipe of steam turbine passes to the condenser, low-temperature water heating passes through the circulating cooling water pipe of condenser, with gas turbine exhaust gas heat-shift, the delivery port connection heating system of condenser.The present invention reduces thermal losses and the loss of generating coal, improves exerting oneself for steam turbine by after to heating water return waste heat and the unrestrained water heat recovery of boiler, effectively reducing return water temperature, improving the vacuum of condenser.
Description
Technical field
The present invention relates to the equipment and technique that a kind of utilization heating water return waste heat improves reverse osmosis efficiency.
Background technology
Due to water shortage, in order to save the cost at water source, Huanghe water is added in water processed, due to winter the Yellow River coolant-temperature gage
The relatively low effluent quality for directly affecting coagulation effect and accelofilter, and then influence the water efficiency processed and production water of counter-infiltration
Amount.Coagulant polymeric aluminium chloride coagulation purifying water effect is larger by Water Temperature, and the hydrolysis of inorganic salts coagulant is the endothermic reaction,
When water temperature is low, hydrolysis is difficult, and when water temperature is less than 5 DEG C, hydrolysis rate is very slow, influences the de- steady of micelle.Water temperature low viscosity
Greatly, the resistance increase of colloidal movement, particle is difficult；Collision opportunity between the low micelle of water temperature is reduced, and influences coagulation effect, is fitted
15-20 DEG C of suitable temperature.
Using circulating water afterheat heating technology, it is cold as circulating that the water returned from heating heat user enters turbine condenser
But water is used, but is due to that return water temperature is high, makes the low vacuum of condenser.In order to solve the problems, such as water temperature, generally using hydrophobic
30T/H directly enters clear water reserviors heating unboiled water, brings up to temperature and is not less than 20 DEG C, and 4 sets of reverse osmosis produced waters improve about 18-28T/
H, loses more than gain.Feed water by reverse osmosis is the mixing water of Huanghe water and underground well water, and water temperature is low about 16 DEG C, according to hydrophobic direct
Enter the method that clear water reserviors heat unboiled water, it is more uneconomical.How resource is effectively integrated, reach optimum utilization state, it is energy-saving
As the current matter of great urgency.How the vacuum and institute calorific requirement temperature of condenser is improved on the basis of recirculated water heating
The balance of medium effectively utilizes the problem studied as us.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, counter-infiltration is improved using heating water return waste heat the invention provides one kind
The equipment and technique of efficiency, excessively to heating water return waste heat and the unrestrained water heat recovery of boiler after, effectively reduce backwater temperature
Degree, improves the vacuum of condenser, reduces thermal losses and the loss of generating coal, improves exerting oneself for steam turbine.
The technical solution adopted in the present invention is：
The equipment that a kind of utilization heating water return waste heat improves reverse osmosis efficiency, one is provided with the water inlet of counter-infiltration system
Heat exchanger, the heat exchanger is provided with heating water return entrance, high-temperature-hot-water entrance, low-temperature water heating outlet, cold water inlet and cold water
Outlet, the heating water return entrance connects heating system return pipe, and the high-temperature-hot-water entrance connects drain tank, and the cold water enters
Mouth connection ultrafiltration water tank, the cooling water outlet connects the water inlet of counter-infiltration system, the low-temperature water heating outlet connection condenser
Circulating cooling water pipe, the blast pipe of steam turbine passes to the condenser, and low-temperature water heating passes through the circulating cooling water pipe of condenser,
With gas turbine exhaust gas heat-shift, the delivery port connection heating system of the condenser.
Further, the heat exchanger is the two-tube pass heat exchanger of double-shell side.
Further, the condenser is formed by connecting by the road control surface formula stainless steel tube of two flow two.
Further, the delivery port of the counter-infiltration system is provided with intermediate water tank.
Further, on the pipeline that the heating water return entrance is connected with heating system return pipe, high-temperature-hot-water entrance with
On the pipeline of drain tank connection, on the pipeline that be connected with the circulating water pipe of condenser of low-temperature water heating outlet, cold water inlet and surpass
Valve is respectively equipped with the pipeline of water filtering tank connection and on the pipeline that is connected with counter-infiltration system of cooling water outlet.
A kind of utilization heating water return waste heat improves the technique of reverse osmosis efficiency, comprises the following steps：
The heating water backwater of heating system is exchanged heat by heating water return entrance into heat exchanger；Huanghe water and underground well water
The cold water that mixing water enters in ultrafiltration water tank, ultrafiltration water tank enters heat exchanger by cold water inlet and exchanged heat with heating water return, to cold water
Temperature is that 25 DEG C -30 DEG C water inlets by counter-infiltration system enter counter-infiltration system progress counter-infiltration, is exported out by low-temperature water heating
The low-temperature water heating come enters condenser, and low-temperature water heating enters the circulating cooling water pipe of condenser from the water inlet of condenser, with
Gas turbine exhaust gas heat-shift, and go out saliva discharge from condenser, re-used subsequently into heating system.
Further, described heating water return temperature is 50-60 DEG C, and described low-temperature water heating temperature is 30-40 DEG C.
A kind of utilization heating water return waste heat improves the technique of reverse osmosis efficiency, comprises the following steps：
High-temperature-hot-water in drain tank is exchanged heat by high-temperature-hot-water entrance into heat exchanger；Huanghe water and underground well water it is mixed
The cold water that Heshui enters in ultrafiltration water tank, ultrafiltration water tank enters heat exchanger by cold water inlet and exchanged heat with heating water return, to cold water temperature
Spend and enter counter-infiltration system progress counter-infiltration for 25 DEG C -30 DEG C water inlets by counter-infiltration system, export out by low-temperature water heating
Low-temperature water heating enter condenser, low-temperature water heating enters the circulating cooling water pipe of condenser from the water inlet of condenser, with vapour
Turbine exhaust heat-shift, and go out saliva discharge from condenser, re-used subsequently into heating system.
Further, described high-temperature-hot-water temperature is 70-80 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is by after to heating water return waste heat and the unrestrained water heat recovery of boiler, effectively reducing backwater temperature
Degree, improves the vacuum of condenser, reduces thermal losses and the loss of generating coal, improves exerting oneself for steam turbine；And counter-infiltration
The inflow temperature of film rises to 25 DEG C or so by 18 DEG C of original well water, and the aquifer yield of counter-infiltration improves 20%., can save water in year
17520 tons of resource.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is the attachment structure frame that the utilization heating water return waste heat of the embodiment of the present invention one improves the equipment of reverse osmosis efficiency
Figure；
Fig. 2 is that the utilization heating water return waste heat of the embodiment of the present invention two improves the process chart of reverse osmosis efficiency；
Fig. 3 is that the utilization heating water return waste heat of the embodiment of the present invention three improves the process chart of reverse osmosis efficiency；
Wherein, 1, heat exchanger, 2, heating system return pipe, 3, drain tank, 4, ultrafiltration water tank, 5, counter-infiltration system, 6, solidifying
Vapour device, 7, heating system, 8, valve, 9, heating water return entrance, 10, high-temperature-hot-water entrance, 11, cold water inlet, 12, cold water goes out
Mouthful, 13, low-temperature water heating outlet, 14, intermediate water tank, 15, steam turbine.
Embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Embodiment one
As shown in figure 1, the equipment that a kind of utilization heating water return waste heat improves reverse osmosis efficiency is present embodiments provided, anti-
The water inlet of osmosis system is provided with a heat exchanger 1, and the heat exchanger 1 is on the two-tube pass heat exchanger of double-shell side, the heat exchanger 1
It is described to supply provided with heating water return entrance 9, high-temperature-hot-water entrance 10, low-temperature water heating outlet 13, cold water inlet 11 and cooling water outlet 12
Warm backwater entrance 9 is connected to be set on heating system return pipe 2, the pipeline that the heating water return entrance is connected with heating system return pipe
There is valve 8, the high-temperature-hot-water entrance 10 connects drain tank 3, and the pipeline that high-temperature-hot-water entrance is connected with drain tank is provided with valve
Door 8；The connection ultrafiltration of cold water inlet 11 water tank 4, the cooling water outlet 12 connects the water inlet of counter-infiltration system 5, described anti-
The delivery port of osmosis system 5 is provided with intermediate water tank 14, the pipeline that the cold water inlet is connected with ultrafiltration water tank and cooling water outlet
Valve 8 is respectively equipped with the pipeline being connected with counter-infiltration system；The low-temperature water heating outlet 13 connects the circulating cooling of condenser 6
Water pipe, the pipeline that the low-temperature water heating outlet is connected with the circulating water pipe of condenser is provided with valve 8, the exhaust of steam turbine 15
Pipe passes to the condenser 6, and the condenser 6 is formed by connecting by the road control surface formula stainless steel tube of two flow two, low-temperature water heating
By the circulating cooling water pipe of condenser 6, and gas turbine exhaust gas heat-shift, the circulation of the steam discharge of steam turbine 15 in condenser
Water is condensed on cooling water pipe and hot well is come together in, is extracted out by condensate pump, the delivery port connection heating system of the condenser 6
7。
The equipment that the utilization heating water return waste heat that the present embodiment is provided improves reverse osmosis efficiency, by heating water return waste heat
Recycle, reduce return water temperature, improve the vacuum of condenser, reduce thermal losses and the loss of generating coal, improve vapour
Turbine is exerted oneself, and the inflow temperature of reverse osmosis membrane rises to 25 DEG C or so, the aquifer yield of counter-infiltration by 18 DEG C of original well water
Improve 20%., year can 17520 tons of saving water resource.
Embodiment two
As shown in Fig. 2 the technique that a kind of utilization heating water return waste heat improves reverse osmosis efficiency is present embodiments provided, including
Following steps：
Heat exchanger is 4500mm, heat-transfer surface area about 185mm from a diameter of 800mm, pipe range2Double-shell side two-tube-pass change
Hot device.52 DEG C of heating water backwater of heating system are exchanged heat by heating water return entrance into heat exchanger；Huanghe water and underground well water
Mixing water enter ultrafiltration water tank, 16 DEG C of cold water in ultrafiltration water tank enter heat exchanger by cold water inlet and exchanged heat with heating water return,
It is that 25 DEG C of water inlets by counter-infiltration system enter counter-infiltration system progress counter-infiltration to cold water temperature, is exported out by low-temperature water heating
The 35 DEG C of low-temperature water heatings come enter condenser, and low-temperature water heating enters the recirculated cooling water of condenser from the water inlet of condenser
Pipe, and gas turbine exhaust gas heat-shift, and go out saliva discharge from condenser, re-used subsequently into heating system.
The utilization heating water return waste heat that the present embodiment is provided improves the technique of reverse osmosis efficiency, by heating water return waste heat
Recycle, reduce return water temperature, improve the vacuum of condenser, reduce thermal losses and the loss of generating coal, improve vapour
Turbine is exerted oneself, and the inflow temperature of reverse osmosis membrane rises to 25 DEG C or so, the aquifer yield of counter-infiltration by 18 DEG C of original well water
Improve 20%., year can 17520 tons of saving water resource.
Embodiment three
As shown in figure 3, a kind of technique of utilization heating water return waste heat raising reverse osmosis efficiency of the present embodiment offer, including with
Lower step：
Heat exchanger is 4500mm, heat-transfer surface area about 109mm from a diameter of 600mm, pipe range2Double-shell side two-tube-pass change
Hot device.80 DEG C of high-temperature-hot-waters in drain tank are exchanged heat by high-temperature-hot-water entrance into heat exchanger；Huanghe water and underground well water
16 DEG C of cold water that mixing water enters in ultrafiltration water tank, ultrafiltration water tank enter heat exchanger by cold water inlet and exchanged heat with heating water return, extremely
Cold water temperature is that 25 DEG C of water inlets by counter-infiltration system enter counter-infiltration system progress counter-infiltration, exports out by low-temperature water heating
35 DEG C of low-temperature water heatings enter condenser, low-temperature water heating enters the recirculated cooling water of condenser from the water inlet of condenser
Pipe, and gas turbine exhaust gas heat-shift, and go out saliva discharge from condenser, re-used subsequently into heating system.
The utilization heating water return waste heat that the present embodiment is provided improves the technique of reverse osmosis efficiency, by unrestrained effectively to boiler
Water heat recovery, reduces return water temperature, improves the vacuum of condenser, reduces thermal losses and the loss of generating coal, carries
High exerting oneself for steam turbine, and the inflow temperature of reverse osmosis membrane rises to 25 DEG C or so by 18 DEG C of original well water, counter-infiltration
Aquifer yield improves 20%., year can 17520 tons of saving water resource.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (9)
1. the equipment that a kind of utilization heating water return waste heat improves reverse osmosis efficiency, it is characterized in that, in the water inlet of counter-infiltration system
Provided with a heat exchanger, the heat exchanger enters provided with heating water return entrance, high-temperature-hot-water entrance, low-temperature water heating outlet, cold water
Mouth and cooling water outlet, the heating water return entrance connect heating system return pipe, and the high-temperature-hot-water entrance connects drain tank, institute
Cold water inlet connection ultrafiltration water tank is stated, the cooling water outlet connects the water inlet of counter-infiltration system, and the low-temperature water heating outlet connects
The circulating cooling water pipe of condenser is connect, the blast pipe of steam turbine passes to the condenser, and low-temperature water heating passes through the circulation of condenser
Cooling water pipe, with gas turbine exhaust gas heat-shift, the delivery port connection heating system of the condenser.
2. the equipment that a kind of utilization heating water return waste heat according to claim 1 improves reverse osmosis efficiency, it is characterized in that, institute
Heat exchanger is stated for the two-tube pass heat exchanger of double-shell side.
3. the equipment that a kind of utilization heating water return waste heat according to claim 1 improves reverse osmosis efficiency, it is characterized in that, institute
Stating condenser is formed by connecting by the road control surface formula stainless steel tube of two flow two.
4. the equipment that a kind of utilization heating water return waste heat according to claim 1 improves reverse osmosis efficiency, it is characterized in that, institute
The delivery port for stating counter-infiltration system is provided with intermediate water tank.
5. the equipment that a kind of utilization heating water return waste heat according to claim 1 improves reverse osmosis efficiency, it is characterized in that, institute
State on the pipeline that heating water return entrance is connected with heating system return pipe, on the pipeline that high-temperature-hot-water entrance is connected with drain tank,
On the pipeline that is connected with the circulating water pipe of condenser of low-temperature water heating outlet, on the pipeline that cold water inlet and ultrafiltration water tank are connected and
Valve is respectively equipped with the pipeline that cooling water outlet is connected with counter-infiltration system.
6. a kind of utilization heating water return waste heat improves the technique of reverse osmosis efficiency, it is characterized in that, comprise the following steps：
The heating water backwater of heating system is exchanged heat by heating water return entrance into heat exchanger；The mixing of Huanghe water and underground well water
The cold water that water enters in ultrafiltration water tank, ultrafiltration water tank enters heat exchanger by cold water inlet and exchanged heat with heating water return, to cold water temperature
Enter counter-infiltration system for 25 DEG C -30 DEG C water inlets by counter-infiltration system and carry out counter-infiltration, export out by low-temperature water heating
Low-temperature water heating enters condenser, and low-temperature water heating enters the circulating cooling water pipe of condenser from the water inlet of condenser, with steamer
Machine is vented heat-shift, and goes out saliva discharge from condenser, is re-used subsequently into heating system.
7. a kind of utilization heating water return waste heat according to claim 6 improves the technique of reverse osmosis efficiency, it is characterized in that, institute
The heating water return temperature stated is 50-60 DEG C, and described low-temperature water heating temperature is 30-40 DEG C.
8. a kind of utilization heating water return waste heat improves the technique of reverse osmosis efficiency, it is characterized in that, comprise the following steps：
High-temperature-hot-water in drain tank is exchanged heat by high-temperature-hot-water entrance into heat exchanger；The mixing water of Huanghe water and underground well water
Into ultrafiltration water tank, the cold water in ultrafiltration water tank enters heat exchanger by cold water inlet and exchanged heat with heating water return, is to cold water temperature
25 DEG C -30 DEG C water inlets by counter-infiltration system enter counter-infiltration system carry out counter-infiltration, by low-temperature water heating export out it is low
Warm water enters condenser, and low-temperature water heating enters the circulating cooling water pipe of condenser from the water inlet of condenser, with steam turbine
Heat-shift is vented, and goes out saliva discharge from condenser, is re-used subsequently into heating system.
9. a kind of utilization heating water return waste heat according to claim 8 improves the technique of reverse osmosis efficiency, it is characterized in that, institute
The high-temperature-hot-water temperature stated is 70-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482591.4A CN107140714B (en) | 2017-06-22 | 2017-06-22 | Equipment and process for improving reverse osmosis efficiency by using waste heat of heating return water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710482591.4A CN107140714B (en) | 2017-06-22 | 2017-06-22 | Equipment and process for improving reverse osmosis efficiency by using waste heat of heating return water |
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| CN107140714A true CN107140714A (en) | 2017-09-08 |
| CN107140714B CN107140714B (en) | 2020-05-12 |
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Citations (6)
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|---|---|---|---|---|
| US6491822B2 (en) * | 1998-03-24 | 2002-12-10 | Mycelx Technologies Corporation | Protection of crossflow membranes from organic fouling |
| CN101787907A (en) * | 2010-01-29 | 2010-07-28 | 王世英 | Steam condensate water recycling and working system and method thereof |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN101844821A (en) * | 2010-05-28 | 2010-09-29 | 济南市琦泉热电有限责任公司 | Equipment and technology for improving reverse osmosis efficiency by waste heat recovery |
| CN204043022U (en) * | 2014-07-29 | 2014-12-24 | 石家庄安能科技有限公司 | A kind of low vacuum circulating water waste heat utilization |
| CN106224019A (en) * | 2016-08-24 | 2016-12-14 | 河北省电力勘测设计研究院 | Solar cogeneration method and device |
-
2017
- 2017-06-22 CN CN201710482591.4A patent/CN107140714B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6491822B2 (en) * | 1998-03-24 | 2002-12-10 | Mycelx Technologies Corporation | Protection of crossflow membranes from organic fouling |
| CN101788142A (en) * | 2009-05-27 | 2010-07-28 | 王世英 | Steam condensate water recovery treatment and residual-heat utilizing system and method thereof |
| CN101787907A (en) * | 2010-01-29 | 2010-07-28 | 王世英 | Steam condensate water recycling and working system and method thereof |
| CN101844821A (en) * | 2010-05-28 | 2010-09-29 | 济南市琦泉热电有限责任公司 | Equipment and technology for improving reverse osmosis efficiency by waste heat recovery |
| CN204043022U (en) * | 2014-07-29 | 2014-12-24 | 石家庄安能科技有限公司 | A kind of low vacuum circulating water waste heat utilization |
| CN106224019A (en) * | 2016-08-24 | 2016-12-14 | 河北省电力勘测设计研究院 | Solar cogeneration method and device |
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