CN201850152U - System for seawater desalination by utilizing low-temperature and low-pressure steam generated by smoke gas waste heat - Google Patents
System for seawater desalination by utilizing low-temperature and low-pressure steam generated by smoke gas waste heat Download PDFInfo
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- CN201850152U CN201850152U CN201020546030XU CN201020546030U CN201850152U CN 201850152 U CN201850152 U CN 201850152U CN 201020546030X U CN201020546030X U CN 201020546030XU CN 201020546030 U CN201020546030 U CN 201020546030U CN 201850152 U CN201850152 U CN 201850152U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Abstract
The utility model relates to a system for seawater desalination by utilizing low-temperature and low-pressure steam generated by smoke gas waste heat, which comprises a low temperature-multiple effect device (LT-MED). The utility model is characterized in that a first-effect steam inlet of the LT-MED is communicated with a saturated steam outlet of a low-temperature and low-pressure steam generator through a low-temperature and low-pressure steam pipe, a vacuum pump is arranged on the low-temperature and low-pressure steam pipe, a first-effect condensed water outlet of the LT-MED is communicated with a condensed water inlet of a fresh water tank through a condensed water pipe, a condensed water pump is arranged on the condensed water pipe, a high-temperature fresh water inlet of the low-temperature and low-pressure steam generator is communicated with a water outlet of a smoke gas waste heat recovering device through a high-temperature fresh water pipe, an outlet of the low-temperature and low-pressure steam generator is communicated with a saturated water inlet of the fresh water tank through a saturated water pipe, a saturated water pump is arranged on the saturated water pipe, a water outlet of the fresh water tank is communicated with a water inlet of the smoke gas waste heat recovering device through a low-temperature fresh water pipe, and a fresh water pump is arranged on a low-temperature fresh water pipeline. The system can sufficiently utilize the smoke removal waste heat and other rest middle-pressure steam of boilers in heat-engine plants for the seawater desalination, the desulfurization efficiency is improved, the water consumption is reduced, and the smoke gas resistance is reduced.
Description
Technical field
The steam that the utility model relates to the smoke evacuation used heat generation low-temp low-pressure that utilizes boiler of power plant carries out seawater desalination system, is specially adapted to coastal and large-size thermal power plant, the Steel Plant island.
Background technology
Low temperature multiple-effect distillation (be called for short LT-MED) desalination technology has long service life, simple to operate, reliable, product water purity advantages of higher and develops very fast.But, the fuel-burning power plant generally can't provide capacity can be directly used in the low temperature and low pressure steam of LT-MED device, therefore more existing LT-MED device with the fuel-burning power plant auxiliary construction adopts from steam turbine and extracts the middle pressure steam that pressure is not less than 2.2atm, carries out the thermal source driving of pressure and temperature reducing (middle pressure steam and low pressure return vapor mixing) back as the LT-MED device by vapour compression unit (being called for short TVC).Do work owing to the middle pressure steam that extracts fully expands in steam turbine, cause reduction of unit generation efficient and LT-MED device running cost higher, fail to demonstrate fully the LT-MED device and can utilize low-grade steam to carry out the technical superiority of sea water desaltination.
Simultaneously, along with the development of desulfurization technology with to the going deep into of gas-to-gas heat exchanger (being called for short GGH) understanding, it is found that GGH exists long construction period, complex structure, serviceability is low, initial cost is big, can not increase shortcoming such as environmental-protection function.Therefore, in newly-built flue gas desulphurization system, cancel GGH in recent years substantially.In the desulphurization system that GGH is not installed, reduce to the working temperature (about 50 ℃) on absorption tower for making the flue-gas temperature (about 125 ℃) that enters desulphurization system, need a large amount of spray waters and slurries, cause water loss huge (with the 1000MW unit is example, needs to increase water consumption 62t/h).Carry out the flue gas desuperheat in this way, not only increase water consumption and flue gas resistance, and wasted huge boiler exhaust gas used heat.
For reduction enters the flue-gas temperature of desulphurization system, reclaim the used heat of this flue gas simultaneously, large-size thermal power plant is brought into use low-level (stack-gas) economizer (also claiming low-pressure coal saver).Low-level (stack-gas) economizer utilizes the lower condensed water of temperature to be heat-absorbing medium, carries out (former flue-gas temperature is reduced to about 85 ℃ by 125 ℃) after the air-water heat exchange with flue gas, the condensed water after heating up is covered to low pressure heater, to reduce the steam consumption of low pressure heater.But, mainly have problems such as system pipeline is long, the pipeline material requires height (stainless steel), loss of pressure head is big, pressure of return water control difficulty, and the problem of these existence is difficult in a short time solve from the practical effect of low-level (stack-gas) economizer.
Based on consideration to the problems referred to above, the low temperature and low pressure steam that how to utilize the large thermal power plant existence conditions cheap price and excellent quality to be provided, can directly to use for the LT-MED device, how fume waste heat is obtained efficiently and economically utilizing, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
For making full use of the boiler exhaust gas used heat of large-scale thermal power machine group, improve desulfuration efficiency and reduce the desulfurization water loss, overcome the problem that present TVC-LT-MED system exists needs influence as driving heat source with middle pressure steam unit generation efficient, and the operation energy consumption of reduction LT-MED, the utility model provides a kind of fume waste heat withdrawer, the combination of low-pressure low-temperature vapour generator and LT-MED, the smoke evacuation used heat that reclaims the fuel-burning power plant is used for seawater desalination system to produce low temperature and low pressure steam, this system can also utilize the higher steam more than needed of other pressure to carry out sea water desaltination simultaneously, realizes the multi-state operation of system.For this reason, the utility model adopts following technical scheme:
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, comprise the LT-MED device, it is characterized in that: first vapour outlet of imitating by low temperature and low pressure steam Guan Yuyi low temperature and low pressure steam producer of described LT-MED device communicates, and described low temperature and low pressure steam pipeline is provided with vacuum pump; Described LT-MED device first is imitated the condensed water water outlet and is communicated with the condensed water inlet of a fresh-water tank by condensate pipe, and described condensate line is provided with condensate pump; The water-in of described low temperature and low pressure steam producer communicates by the water outlet of high temperature fresh water pipe with a fume waste heat withdrawer, and its water outlet communicates with the saturation water import of fresh-water tank by saturated water pipe, and described saturation water pipeline is provided with saturated water pump; The outlet of fresh-water tank communicates by the water-in of low temperature fresh water pipe with the fume waste heat withdrawer, and described low temperature fresh water line is provided with fresh water pump.Aforementioned system utilize a certain amount of fresh water by heat exchange, flash distillation, condense, process such as mixing realizes that fume waste heat reclaims and carries out sea water desaltination.
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, it is characterized in that: one vapour-water hybrid heater is set on the high temperature fresh water line, its water-in and water outlet communicate with the water outlet of fume waste heat withdrawer and the water-in of low temperature and low pressure steam producer respectively, and its steam inlet communicates with middle pressure steam or vapour pipe more than needed; The low temperature fresh water line that is positioned at described fresh water pump water outlet survey sets up main pipe rail and bypass two branch roads separately, main pipe rail is provided with the main line segregaion valve, and communicate with fume waste heat withdrawer water-in, bypass is provided with the bypass communicating valve, and communicates with the water inlet of vapour-water hybrid heater.The aforementioned setting can make full use of the fuel-burning power plant higher steam of pressure more than needed, and solves the insufficient problem of fume waste heat under unit underload, unit outage operating mode, realizes the multi-state operation of native system.
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, it is characterized in that: smoke inlet on the described fume waste heat withdrawer and outlet communicate with an induced draft fan and a desulfurizer respectively.Its function is to finish water-gas heat exchange, promptly reduces the flue-gas temperature that enters desulfurizer when utilizing water to reclaim fume waste heat.
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, and it is characterized in that: fresh-water tank is provided with fresh water water supplement port and condensed water discharge outlet, and fresh water water supplement port and condensed water discharge outlet communicate with fresh water filling pipe and condensed water delivery pipe respectively.Its function is to be that system carries out moisturizing when starting in system, presses in system need feed or discharging condensed water during steam more than needed.
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, and it is characterized in that: vapour-water hybrid heater is selected jet-type for use.Its function is when there are steam more than needed in system's undercapacity or other system, for system provides extra thermal source.
The low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, it is characterized in that: the LT-MED device is that two-phase stainless steel plate or anticorrosion carbon steel sheet or titanium alloy tube or copper alloy tube or aluminium-alloy pipe are welded.Its function is to utilize low temperature and low pressure steam to drive as heat to carry out sea water desaltination.
This low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, its advantage shows: this system can make full use of power plant boiler smoke evacuation used heat and other middle pressure steam more than needed carries out sea water desaltination, reduce the sea water desaltination water producing cost significantly, and but multi-state moves the operational flexibility of increase LT-MED device.In addition, the heat that this system reclaims the fume waste heat withdrawer is converted into low temperature and low pressure steam in the mode of relative closed cycle, has avoided existing when power plant used low-level (stack-gas) economizer heat-setting water in the past problems such as system's investment is big, operation control difficulty.Moreover this system makes the cigarette temperature drop that enters desulfurizer low, helps improving desulfuration efficiency, reduces water loss, reduces flue gas resistance and desulphurization system running cost.
Description of drawings
Fig. 1 is a device systems schematic diagram of the present utility model.
Among the figure: 1, the LT-MED device, 2, the low temperature and low pressure steam producer, 3, vapour-water hybrid heater, 4, the fume waste heat withdrawer, 5, fresh-water tank, 6, induced draft fan, 7, desulfurizer, 8, vacuum pump, 9, condensate pump, 10, fresh water pump, 11, bypass communicating valve (normally closed), 12, main line segregaion valve (often opening), 13, high-temperature flue, 14, low temperature flue, 15, middle pressure steam or vapour pipe more than needed, 16, the high temperature fresh water pipe, 17, the low temperature and low pressure steam pipe, 18, condensate pipe, 19, the fresh water filling pipe, 20, the condensed water delivery pipe, 21, saturated water pipe, 22, the low temperature fresh water pipe, 23, saturated water pump, 1-1, the low-pressure steam import, 1-2, the condensed water outlet, 2-1, the low-pressure steam outlet, 2-2, high temperature fresh water inlet, 2-3, the saturation water outlet, 3-1, vapour-water hybrid heater water outlet, 3-2, middle pressure steam or steam-in more than needed, 3-3, vapour-water hybrid heater water-in, 4-1, fume waste heat withdrawer water outlet, 4-2, fume waste heat withdrawer water-in, 4-3, fume waste heat withdrawer gas approach, 4-4, fume waste heat withdrawer exhanst gas outlet, 5-1, the saturation water import, 5-2, the condensed water inlet, 5-3, the low temperature water outlet, 5-4, the condensed water discharge outlet, 5-5, fresh water moisturizing inlet.
Specific implementation
Below in conjunction with specification drawings and specific embodiments substantive distinguishing features of the present utility model is further described.
The power plant that this system needs GGH is not set in auxiliary construction desulphurization system and desulphurization system uses.Before this system implementation, need to understand the equipment layout situation in boiler model, coal commonly used, flue size, the preceding flue district of desulfuration absorbing tower, the flow of boiler flue gas under different load, row temperature, flow velocity, blast, and the particular case of the affluence amount of booster fan or induced draft fan and the adjacent machine middle pressure steam that can supply.Put and peripheral condition according to total plain cloth of power plant, determine the decoration form of fume waste heat withdrawer, Low Temperature Steam producer, fresh-water tank, LT-MED device and auxiliary facility thereof, and, determine exerting oneself of LT-MED device according to concrete boiler smoke waste heat, product water demand.
As shown in Figure 1, after fume waste heat withdrawer 4 is arranged at induced draft fan 6, on the flue before the desulfurizer 7, fume waste heat withdrawer 4 water outlets (4-1) communicate with vapour-water hybrid heater 3 water-ins (3-3) by high temperature fresh water pipe 16, the steam inlet (3-2) of vapour-water hybrid heater 3 communicates with middle pressure steam or vapour pipe more than needed 15, and vapour-water hybrid heater 3 water outlets (3-1) communicate with low temperature and low pressure steam producer 2 water-ins (2-2) by high temperature fresh water pipe 16.Low temperature and low pressure steam producer 2 vapour outlets (2-1) communicate by the import of low temperature and low pressure steam pipe 17 with vacuum pump 8, and the outlet of vacuum pump 8 is imitated low-pressure steam import (1-1) by low temperature and low pressure steam pipe 17 with LT-MED device 1 first and communicated.LT-MED device 1 first is imitated the condensed water outlet and is communicated with the water-in (5-2) of fresh-water tank 5 by condensate pipe 18, and condensate pipe 18 pipelines are provided with condensed water water pump 9.Low temperature and low pressure steam producer 2 water outlets (2-3) communicate with the water-in (5-1) of fresh-water tank 5.The water-in of fresh water pump 10 communicates with the water outlet (5-3) of fresh-water tank 5, the outlet of fresh water pump 10 communicates with the import (threeway) of bypass communicating valve 11 and main line segregaion valve 12,11 outlets of bypass communicating valve communicate with vapour-water hybrid heater 3 water-ins (3-3), and 12 outlets of main line segregaion valve communicate with fume waste heat withdrawer 4 imports (4-2).Fresh-water tank (5) is provided with fresh water water supplement port (5-5) and condensed water discharge outlet (5-4), and fresh water water supplement port (5-5) and condensed water discharge outlet (5-4) communicate with fresh water filling pipe 19 and condensed water delivery pipe 20 respectively.
Fume waste heat withdrawer 4 can be done with the ND steel, and heat transfer tube selects for use the fin tubular type comparatively suitable.LT-MED device 1 is welded for two-phase stainless steel plate or anticorrosion carbon steel sheet and titanium alloy tube, copper alloy or aluminium-alloy pipe, can select different exerting oneself for use according to the requirement of water production rate.Vapour-water hybrid heater 3 can be selected jet-type for use, improves the water temperature in the high temperature fresh water pipe 16 when low or system starts at unit load.Fresh-water tank 5 can be used making such as stainless steel plate, hot zinc coating steel plate, anticorrosion carbon steel sheet, and its useful volume should be greater than 2 hours rated flow of fume waste heat withdrawer water side.Low temperature and low pressure steam producer 2 major equipments are flash tanks, and flash tank is made up of shell, water inlet variable valve, water inlet divider, water separator, safe pressure relief device, liquid level display and liquid level regulation device etc.In addition, this system's operating temperature higher (comparing envrionment temperature) for reduce the thermosteresis of system as far as possible, should be carried out the insulation of relevant device and pipeline.
Concrete application under different operating modes is illustrated to this system below in conjunction with example:
One, when the unit heavy-duty service, when system starts
Carry out moisturizing by 19 pairs of fresh-water tanks of fresh water filling pipe 5, open fresh water pump 10, make fresh water enter 4 pairs of fresh water of fume waste heat withdrawer and heat and begin water cycle.Open 8 pairs of low temperature and low pressure steam producers 2 of vacuum pump and vacuumize, hot water produces saturation steam about 70 ℃ in the mode of flash distillation, and the saturation water after the flash distillation enters fresh-water tank 5.Set up the vacuum state in the LT-MED device 1, seawater enters LT-MED device 1, saturation steam about 70 ℃ is condensed into the condensed water about 66 ℃ after first effect of LT-MED device 1 is finished heat exchange with raw material seawater, simultaneously raw material seawater produces the newborn steam of equivalent almost and is introduced in the heat transfer tube of next effect outside heat transfer tube, repeated evaporation-condensation process is to produce product water, and the condensed water about 66 ℃ enters fresh-water tank 5 and is recovered utilization.After water temperature in the high temperature fresh water pipe 16 rose to about 110 ℃, fresh water filling pipe 19 stopped moisturizing, and system enters normal operation.
Two, when the unit underrun, system exerts oneself when not enough
When the required heat of system is provided by fume waste heat withdrawer 4 fully, the water production rate of system is directly related with the heat that fume waste heat withdrawer 4 reclaims: when unit load is low, exhaust gas volumn and cigarette temperature are lower, and therefore callable heat is less, and system's water production rate is also less.Exert oneself when not enough when system, feed middle pressure steam or steam more than needed, increasing the steam production of low temperature and low pressure steam producer 2, thereby improve exerting oneself of LT-MED device 1 at vapour-water hybrid heater 3 steam inlets (3-2).Need by condensed water delivery pipe 20 unnecessary water be delivered to condensate system or other system, to reach system water mass balancing owing to enter the water yield increase of fresh-water tank 5 this moment.
Three, unit outage is when system still need put into operation
Unit needs to stop transport because of dispatching or overhauling, but when system still needs normal operation to give the user to produce product water, open bypass communicating valve 11, close main line segregaion valve 12, make the fresh water in the low temperature fresh water pipeline 22 directly not enter high temperature fresh water pipe 16 by fume waste heat withdrawer 4, feed middle pressure steam or steam more than needed in vapour-water hybrid heater 3, middle pressure steam or quantity of steam more than needed require to decide according to LT-MED device 1 water production rate, by condensed water delivery pipe 20 the unnecessary water yield in the fresh-water tank 5 is delivered to unit condensate system or other system simultaneously, to reach system water mass balancing, the required heat of system's this moment is provided by middle pressure steam or steam more than needed fully, and system still can produce the required fresh water of user.
Analysis by above-mentioned example as can be known, this system can realize the multi-state operation, and start and stop are flexible, reliable, energy-conserving and environment-protective, and bigger promotional value is arranged.
Claims (7)
1. the low temperature and low pressure steam that utilizes fume waste heat to produce carries out seawater desalination system, comprise LT-MED device (1), it is characterized in that: first of described LT-MED device (1) is imitated steam inlet (1-1) and is communicated with the saturation steam outlet (2-1) of low temperature and low pressure steam producer (2) by low temperature and low pressure steam pipe (17), and described low temperature and low pressure steam pipe (17) is provided with vacuum pump (8); Described LT-MED device (1) first is imitated condensed water outlet (1-2) and is communicated with the condensed water import (5-2) of a fresh-water tank (5) by condensate pipe (18), and described condensate pipe (18) is provided with condensate pump (9); The high temperature fresh water inlet (2-2) of described low temperature and low pressure steam producer (2) communicates with the water outlet (4-1) of fume waste heat withdrawer (4) by high temperature fresh water pipe (16), its water outlet (2-3) communicates with the saturation water import (5-1) of fresh-water tank (5) by saturated water pipe (21), and described saturated water pipe (21) is provided with saturated water pump (23); The water outlet (5-3) of fresh-water tank (5) communicates with the water-in (4-4) of fume waste heat withdrawer (4) by low temperature fresh water pipe (22), and described low temperature fresh water line is provided with fresh water pump (10).
2. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 1 carries out seawater desalination system, it is characterized in that: vapour-water hybrid heater (3) is set on high temperature fresh water line (16), its water-in (3-3) and water outlet (3-1) communicate with the water outlet (4-1) of fume waste heat withdrawer (4) and the water-in (2-2) of low temperature and low pressure steam producer (2) respectively, and its steam inlet (3-2) communicates with middle pressure steam or vapour pipe more than needed (15).
3. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 2 carries out seawater desalination system, it is characterized in that: the low temperature fresh water line at described fresh water pump (10) water outlet side sets up main pipe rail and bypass two branch roads separately, main pipe rail is provided with main line segregaion valve (12), and communicate with fume waste heat withdrawer (4) water-in (4-4), bypass is provided with bypass communicating valve (11), and communicates with the water inlet (3-3) of vapour-water hybrid heater (3).
4. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 1 and 2 carries out seawater desalination system, and it is characterized in that: the smoke inlet (4-3) on the described fume waste heat withdrawer (4) links to each other with a desulfurizer (7) with an induced draft fan (6) respectively with exhanst gas outlet (4-4).
5. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 4 carries out seawater desalination system, it is characterized in that: fresh-water tank (5) is provided with fresh water water supplement port (5-5) and condensed water discharge outlet (5-4), and fresh water water supplement port (5-5) links to each other with condensed water delivery pipe (20) with fresh water filling pipe (19) respectively with coagulation hydroenergy backwater mouth (5-4).
6. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 5 carries out seawater desalination system, it is characterized in that: fume waste heat withdrawer (4) adopts the ND steel to make, and the heat transfer tube on the fume waste heat withdrawer (4) is selected the fin tubular type for use.
7. the low temperature and low pressure steam that utilizes fume waste heat to produce according to claim 6 carries out seawater desalination system, and it is characterized in that: vapour-water hybrid heater (3) is selected jet-type for use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020546030XU CN201850152U (en) | 2010-09-28 | 2010-09-28 | System for seawater desalination by utilizing low-temperature and low-pressure steam generated by smoke gas waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020546030XU CN201850152U (en) | 2010-09-28 | 2010-09-28 | System for seawater desalination by utilizing low-temperature and low-pressure steam generated by smoke gas waste heat |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955240A (en) * | 2010-09-28 | 2011-01-26 | 浙江天达环保股份有限公司 | System for desalinating sweater by utilizing low-temperature low-pressure steam generated by smoke waste heat |
| WO2016000520A1 (en) * | 2014-06-30 | 2016-01-07 | 上海伏波环保设备有限公司 | Indirect low-temperature multi-effect seawater desalination system by using waste heat of exhaust gas of ship engine |
| CN108636294A (en) * | 2018-05-30 | 2018-10-12 | 福建厚德节能科技发展有限公司 | A kind of autoclave condensation water processing recovery system |
| CN111420516A (en) * | 2020-04-24 | 2020-07-17 | 北京中冶设备研究设计总院有限公司 | Steam waste heat cascade utilization system for carbon capture absorbent regeneration system |
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2010
- 2010-09-28 CN CN201020546030XU patent/CN201850152U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955240A (en) * | 2010-09-28 | 2011-01-26 | 浙江天达环保股份有限公司 | System for desalinating sweater by utilizing low-temperature low-pressure steam generated by smoke waste heat |
| CN101955240B (en) * | 2010-09-28 | 2013-05-01 | 浙江天达环保股份有限公司 | System for desalinating sweater by utilizing low-temperature low-pressure steam generated by smoke waste heat |
| WO2016000520A1 (en) * | 2014-06-30 | 2016-01-07 | 上海伏波环保设备有限公司 | Indirect low-temperature multi-effect seawater desalination system by using waste heat of exhaust gas of ship engine |
| KR20170008888A (en) | 2014-06-30 | 2017-01-24 | 상하이 푸보 인바이런멘탈 이큅프먼트 컴퍼니 리미티드 | Indirect low-temperature multi-effect seawater desalination system by using waste heat of exhaust gas of ship engine |
| JP2017523027A (en) * | 2014-06-30 | 2017-08-17 | 上海伏波▲環▼保▲設備▼有限公司 | Indirect low-temperature multi-effect seawater desalination system using exhaust heat from ship engines |
| CN108636294A (en) * | 2018-05-30 | 2018-10-12 | 福建厚德节能科技发展有限公司 | A kind of autoclave condensation water processing recovery system |
| CN111420516A (en) * | 2020-04-24 | 2020-07-17 | 北京中冶设备研究设计总院有限公司 | Steam waste heat cascade utilization system for carbon capture absorbent regeneration system |
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