CN2835804Y - Dead steam and condensed water recovering system - Google Patents

Dead steam and condensed water recovering system Download PDF

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Publication number
CN2835804Y
CN2835804Y CN 200520114810 CN200520114810U CN2835804Y CN 2835804 Y CN2835804 Y CN 2835804Y CN 200520114810 CN200520114810 CN 200520114810 CN 200520114810 U CN200520114810 U CN 200520114810U CN 2835804 Y CN2835804 Y CN 2835804Y
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water
steam
condensed water
liquid level
control device
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CN 200520114810
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杨君廷
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Abstract

The utility model discloses a dead steam and condensed water recovering system, which comprises a multi-channel network sharer, an effective steam-water separator, a steam jet heat pump, a high temperature condensed water recovering device and a control device, wherein at least two water inlets and one water outlet are arranged on the multi-channel network sharer, and the water outlet is connected to the water inlet of the effective steam-water separator through a pipe; a steam outlet of the effective steam-water separator is connected to an inlet of the steam jet heat pump, and a condensed water outlet of the steam jet heat pump is connected to the water inlet of the high temperature condensed water recovering device through an electric/pneumatic adjustable valve group; the outlet of the high temperature condensed water recovering device is connected to the water inlets of the multi-channel network sharer and is simultaneously used for exporting water outward through the electric/pneumatic adjustable valve group; the control device is connected to a control water pump of the high temperature condensed water recovering device and controls the output of condensed water, the control device is connected to a liquid level sensor of the effective steam-water separator to control the liquid level of the condensed water, and a control group is connected to the control device to match the output speed and the flow of the condensed water of the high temperature condensed water recovering device.

Description

Exhaust steam, condensate return system
Technical field
The utility model relates to a kind of exhaust steam, condensate return system.
Background technology
At present, for large-scale apparatus of steam power plants, often involve the recovery of exhaust steam.Exhaust steam after the recovery not only can be used as secondary power source power is provided, and the recovery of exhaust steam also means the recovery of water resource in the gas, has not only reached the purpose of energy conservation, and has avoided exhaust steam directly to enter in the atmosphere and cause environmental pollution.The exhaust steam reclaimer is usually used in that steam power plant, machine dried system, chemical industry etc. are used as power with steam or the high-temperature condensation water of the industry of thermal source and Steam Recovery utilization etc.
But at present not ripe especially integrated system, and general recovery is a function singleness, local.From whole system, still there is serious waste.
The utility model content
At existing problem and shortage in above-mentioned existing commonly used exhaust steam, the condensate return system, the purpose of this utility model provides a kind of intelligent degree height, the multi-functional recovery system of exhaust steam, condensate water that cost is low.
The utility model is achieved in that a kind of exhaust steam, condensate return system, include multichannel common network device, efficient steam-water separator, steam jet heat pump, high-temperature condensation water recovery device and control device, described multichannel common network device is provided with at least two water inlets and a delivery port, and this delivery port is connected in the water inlet of efficient steam-water separator by pipeline; The steam (vapor) outlet of efficient steam-water separator is connected in the inlet of steam jet heat pump, its condensation-water drain is connected in the water inlet of high-temperature condensation water recover by electric/pneumatic control valve group, the delivery outlet of high-temperature condensation water recover is connected in the water inlet of multichannel common network device, outwards exports by electric/pneumatic control valve group simultaneously; Control device is connected in the control water pump of high-temperature condensation water recover, the output of control condensed water, and control device also is connected in the liquid level sensor of efficient steam-water separator, with control condensed water liquid level, avoids overflowing; Simultaneously, electric/pneumatic control valve group also is connected in control device, to cooperate high-temperature condensation water recover condensed water output speed and flow.
Wherein, described high-temperature condensation water recovery device includes water inlet, collecting container, high-temperature condensation water pump, liquid level sensor and delivery port, condensed water is in water inlet input set water receptacle, export by the high-temperature condensation water pump, wherein, be provided with liquid level sensor in the collecting container, the delivery port place is provided with electric/pneumatic control valve group, and liquid level sensor and electric/pneumatic control valve group are connected in control device.
Wherein, described multichannel common network device includes the water inlet of high pressure condensed water, a plurality of condensing water inlets that pressure does not wait, the inlet and the delivery port of confession high-temperature condensation water recover input condensed water, a plurality of condensing water inlets place is provided with Laval nozzle, to export each road condensed water to delivery port.
Wherein, described efficient steam-water separator includes water inlet, pressure vessel, liquid level sensor, Water flow adjusting valve, venthole and delivery port, wherein be provided with demister, silencer and swirl reducer in the pressure vessel, demister is a network structure, silencer also is a network structure, swirl reducer is the criss-cross construction of two plates, has circular hole on every block of plate; Steam water interface is eliminated noise through silencer after water inlet enters steam-water separator, venthole is connected in steam jet heat pump, by it gas is siphoned away, and carries out carbonated drink separation through demister again; Condensed water enters the appearance hydroecium of pressure vessel; Liquid level sensor is arranged in this appearance hydroecium, and delivery port is provided with electric/pneumatic control valve group, and liquid level sensor and electric/pneumatic control valve group are connected in control device, control water level jointly.
Wherein, described steam jet heat pump comprises air intake, Laval nozzle, mixing discharge chambe, venturi and diffuser and venthole, it connects successively, gas enters the mixing discharge chambe through air intake, and the working steam of compression by Laval nozzle, expands under vacuum state at a high speed, potential energy converting and energy becomes kinetic energy, form the cold vapor stream of ultrahigh speed at the nozzle place, the expansion segment of process ultrahigh speed diffuser forms shock wave, and exports through venthole.
Wherein, described control device includes master controller, fluid level controller, A/D converter, D/A converter, memory and I/O unit, wherein, master controller, I/O unit are connected in memory, A/D converter and D/A converter are connected on the I/O unit, fluid level controller is connected on the master controller, and being used for provides the liquid level control signal to the The whole control device.
Wherein, also be provided with safety valve on the described efficient steam-water separator, open when pressure reaches the safety valve threshold limit value in efficient steam-water separator.
Wherein, described electric control valve group includes electric control valve, and a gate valve respectively is installed before and after this valve, and a gate valve is installed on the next door; Pneumatic control valve comprises valve body, executing agency, electropneumatic valve positioner, air filtration pressure-reducing valve and handwheel, and a gate valve respectively is installed before and after the valve, and a gate valve is installed on the next door.
The utility model utilization has multichannel common network device, efficient steam-water separator, steam jet heat pump and high-temperature condensation water recovery device now and is combined as exhaust steam, condensate return system, reach the purpose of exhaust steam, condensate water recovery, and by electric/pneumatic control valve group, water level controller etc. are set between the transmission system of these devices, reach automatic control, to reach the purpose of automatic recovery exhaust steam, condensate water to condensed water, gas.The utility model can obtain high-temperature condensation water and two kinds of products of steam.High-temperature condensation water temperature 〉=100 ℃, steam can utilize high steam to boost to the pressure of arts demand by heat pump, as operation power.The utility model recovering effect is good, cost recovery is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model high-temperature condensation water recovery device;
Fig. 3 is the structural representation of the utility model multichannel common network device;
Fig. 4 is a steam-water separator structural representation of the present utility model;
Fig. 5 is the structural representation of the utility model steam jet heat pump.
The specific embodiment
Following conjunction with figs. is elaborated to the utility model.
Shown in Fig. 1,2,3,4,5, the utility model comprises multichannel common network device 1, efficient steam-water separator 2, steam jet heat pump 3, high-temperature condensation water recovery device 4 and control device 5, multichannel common network device 1 is provided with four water inlets and a delivery port 7, four water inlets comprise and are respectively high pressure condensed water water inlet 6, water inlet 15, the low pressure condensed water water inlet 18,19 of high-temperature condensation water recovery device 4 inputs; Delivery port 7 is connected in the water inlet 8 of efficient steam-water separator 2 by pipeline; The steam (vapor) outlet 9 of efficient steam-water separator 2 is connected in the inlet 10 of steam jet heat pump 3, its condensation-water drain 11 is connected in the water inlet 13 of high-temperature condensation water recover by electric/pneumatic control valve group 12, the delivery outlet 14 of high-temperature condensation water recover is connected in the water inlet 15 of multichannel common network device, outwards exports by electric/pneumatic control valve group 12 simultaneously; Control device is connected in the control water pump of high-temperature condensation water recover 4, the output of control condensed water, and control device also is connected in the liquid level sensor (not shown) of efficient steam-water separator 2, with control condensed water liquid level, avoids overflowing; Simultaneously, electric/pneumatic control valve group 12 also is connected in control device, to cooperate the 4 condensed water inputs of high-temperature condensation water recover, output speed and flow.As figure, also be provided with the valve of control flow between each vapour of needs control flow, the water I/O port.Electric/pneumatic control valve group 12 comprises that electric/pneumatic control valve group comprises: electronic type electric control valve (pneumatic control valve comprises valve body, executing agency, electropneumatic valve positioner, air filtration pressure-reducing valve, handwheel), a gate valve is respectively installed in front and back, a gate valve is installed on the next door, can reach the water level of control condensed water and the flow of water output by this electric/pneumatic control valve group 12.
The structure and the function of each several part below are described respectively.
As shown in Figure 2, high-temperature condensation water recovery device 4 is a closed structure, it includes water inlet 13, collecting container 16, high-temperature condensation water pump 17, liquid level sensor (not shown) and delivery port 14, condensed water is in water inlet 13 input set water receptacles 16, by 17 outputs of high-temperature condensation water pump, wherein, be provided with liquid level sensor in the collecting container 16, delivery port 14 places are provided with electric/pneumatic control valve group 12, and liquid level sensor and electric/pneumatic control valve group 12 are connected in control device 5.High-temperature condensation water recovery device 4 ensures that according to little dynamic two phase flow principle of cold-peace of crossing cavitation does not take place water pump 17.The high temperature condensation is transported to condensed water automatically the position that utilizes again through control device 5 control water pumps 17.
As shown in Figure 3, multichannel common network device 1 includes two condensing water inlets 18,19 that water inlet 6, the pressure of high pressure condensed water reduces successively, for water inlet 15 and a delivery port 7 of high-temperature condensation water recover input condensed water, condensing water inlet 18,19 is provided with Laval nozzle 20, to export each road condensed water to delivery port.Multichannel common network device 1 is applicable to the situation that the condensed water pressure rating is different, can realize that the shared table apparatus of condensed water of different pressures reclaims.Because the high velocity jet of high pressure condensed water forms relative low-pressure area, can allow the lower condensed water of pressure enter.Simultaneously, low-pressure area helps hydrophobic normally, does not influence to produce normal heat exchange.
As shown in Figure 4, efficient steam-water separator 2 includes the mouth of a river 8, pressure vessel, liquid level sensor, Water flow adjusting valve, venthole 9 and delivery port 11, wherein be provided with demister, silencer and swirl reducer in the pressure vessel, demister is the netted structure of stainless steel wire, silencer is a stainless steel lath network structure, swirl reducer is the corrosion resistant plate that two grade separations become cross, has several circular holes on every block plate.Steam water interface is after water inlet 8 enters steam-water separator 2, eliminate noise through silencer, after carry out carbonated drink and separate, steam and flash distillation secondary vapour since the ejector action of steam jet pump 3 to rising, carry out carbonated drink separation once more by demister, the water smoke that carries in the vapour is removed, make the mass dryness fraction of vapour reach 95%, vapour is inhaled into steam jet pump 3, condensed water enters the bottom of steam-water separator, flow velocity by liquid level signal control Water flow adjusting valve control condensed water ensures to keep certain water level in the steam-water separator that unnecessary condensed water enters in the enclosed condensate water recovery device 4.Efficient steam-water separator 2 is provided with safety valve 22, unlatching when pressure reaches the value of opening of safety valve setting in efficient steam-water separator.
As shown in Figure 5, steam jet heat pump 3 comprises air intake 10, Laval nozzle, mixing discharge chambe, venturi and diffuser and venthole 21, and it connects successively.High-grade compression work steam (promptly giving birth to steam) at a high speed by Laval nozzle, expands under vacuum state, and potential energy converting and energy becomes kinetic energy, forms the cold vapor stream of ultrahigh speed at nozzle exit.Because the effect of entrainmenting of cold vapor stream, working steam be compressed air-flow (being indirect steam) and mix mutually, carry out energy and mass exchange.Mix the expansion segment formation shock wave of gas,, enter work system because the pressurization of shock wave is mixed gas and is pressurized to certain back pressure value at the diffuser exit place through the ultrahigh speed diffuser.Because in entire work process, compressed low-grade steam becomes the mixed vapour than high-grade with high-grade compression work vapor mixing, do not have phase transformation in the process, so energy loss is less.On the contrary, because increasing considerably of mixed vapour amount also increases considerably the heat that enters vapour system, thereby, reach effect energy-conservation, volume increase.
Control device of the present utility model includes master controller, fluid level controller, A/D converter, D/A converter, memory and I/O unit, wherein, master controller, I/O unit are connected in memory, A/D converter and D/A converter are connected on the I/O unit, fluid level controller is connected on the master controller, and being used for provides the liquid level control signal to the The whole control device.
The utility model used vapour amount improves the thermal efficiency of steam heating system greater than the evaporation capacity for engine of boiler.The utility model is when flash steam is sucked away, and temperature reduces, and closed reclaims and uses again.Because flash steam and condensate water are all reclaimed, energy-saving effect is very remarkable.The utility model can all reclaim the leakage vapour of condensed water, flash steam and drain valve, and fuel saving reaches about 10-30%, has reduced the pollution of burnt gas to environment.The utility model is provided with intelligent automatic control device, reclaims operation automatically and need not the someone and put and keep.

Claims (8)

1, a kind of exhaust steam, condensate return system, it is characterized in that, this system includes multichannel common network device, efficient steam-water separator, steam jet heat pump, high-temperature condensation water recovery device and control device, described multichannel common network device is provided with at least two water inlets and a delivery port, and this delivery port is connected in the water inlet of efficient steam-water separator by pipeline; The steam (vapor) outlet of efficient steam-water separator is connected in the inlet of steam jet heat pump, its condensation-water drain connects electric/pneumatic control valve group in the water inlet of high-temperature condensation water recover by group, the delivery outlet of high-temperature condensation water recover is connected in the water inlet of multichannel common network device, outwards exports by electropneumatic/control valve group simultaneously; Control device is connected in the control water pump of high-temperature condensation water recover, the output of control condensed water, and control device also is connected in the liquid level sensor of efficient steam-water separator, with control condensed water liquid level, avoids overflowing; Simultaneously, the magnetic valve group also is connected in control device, to cooperate high-temperature condensation water recover condensed water output speed and flow.
2, exhaust steam according to claim 1, condensate return system, it is characterized in that, described high-temperature condensation water recovery device includes water inlet, collecting container, high-temperature condensation water pump, liquid level sensor and delivery port, condensed water is in water inlet input set water receptacle, by the output of high-temperature condensation water pump, wherein, be provided with liquid level sensor in the collecting container, the delivery port place is provided with electric/pneumatic control valve group, and liquid level sensor and electric/pneumatic control valve group are connected in control device.
3, exhaust steam according to claim 1, condensate return system, it is characterized in that, described multichannel common network device includes the water inlet of high pressure condensed water, a plurality of condensing water inlets that pressure does not wait, the inlet and the delivery port of confession high-temperature condensation water recover input condensed water, a plurality of condensing water inlets place is provided with Laval nozzle, to export each road condensed water to delivery port.
4, exhaust steam according to claim 1, condensate return system, it is characterized in that, described efficient steam-water separator includes water inlet, pressure vessel, liquid level sensor, Water flow adjusting valve, venthole and delivery port, wherein be provided with demister, silencer and swirl reducer in the pressure vessel, demister is a network structure, silencer also is a network structure, and swirl reducer is the criss-cross construction of two plates, has circular hole on every block of plate; Steam water interface is eliminated noise through silencer after water inlet enters steam-water separator, venthole is connected in steam jet heat pump, by it gas is siphoned away, and carries out carbonated drink separation through demister again; Condensed water enters the appearance hydroecium of pressure vessel; Liquid level sensor is arranged in this appearance hydroecium, and delivery port is provided with electric/pneumatic control valve group, and liquid level sensor and electric/pneumatic control valve group are connected in control device, control water level jointly.
5, exhaust steam according to claim 1, condensate return system is characterized in that, described steam jet heat pump comprises air intake, Laval nozzle, mixing discharge chambe, venturi and diffuser and venthole, and it connects successively.
6, exhaust steam according to claim 1, condensate return system, it is characterized in that, described control device includes master controller, fluid level controller, A/D converter, D/A converter, memory and I/O unit, wherein, master controller, I/O unit are connected in memory, A/D converter and D/A converter are connected on the I/O unit, and fluid level controller is connected on the master controller, are used for providing the liquid level control signal to the The whole control device.
7, according to claim 1 or 4 described exhaust steam, condensate return system, it is characterized in that, also be provided with safety valve on the described efficient steam-water separator, open when pressure reaches the safety valve threshold limit value in efficient steam-water separator.
According to claim 1,2,4 or 5 described exhaust steam, condensate return system, it is characterized in that 8, described electric control valve group includes electric control valve, a gate valve respectively is installed before and after this valve, a gate valve is installed on the next door; Pneumatic control valve comprises valve body, executing agency, electropneumatic valve positioner, air filtration pressure-reducing valve and handwheel, and a gate valve respectively is installed before and after the valve, and a gate valve is installed on the next door.
CN 200520114810 2005-07-26 2005-07-26 Dead steam and condensed water recovering system Expired - Lifetime CN2835804Y (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825360A (en) * 2010-05-10 2010-09-08 贵阳铝镁设计研究院 Method and device for recycling high-pressure dissolved steam exhaust of diluting tank in alumina production
CN101793390B (en) * 2010-02-08 2011-11-23 广东省特种设备检测院顺德分院 Comprehensive recovery method and system of condensation water and dead steam
CN102393150A (en) * 2011-08-11 2012-03-28 福建大源节能环保科技有限公司 Steam-turbine condensing system and control method thereof
CN102434907A (en) * 2011-10-27 2012-05-02 大连理工大学 Secondary heat exchange station heating system based on jet type heat pump for recovering primary grid backwater complementary energy
CN104848284A (en) * 2015-04-09 2015-08-19 宜诺珐玛(天津)科技有限公司 Steam condensation water heat recovery method and device
CN104896967A (en) * 2015-06-10 2015-09-09 济南仙峰泰山化工设备有限公司 Multifunctional recycling system for completely recycling exhausted steam
CN104930873A (en) * 2015-06-04 2015-09-23 宁夏宝塔石化科技实业发展有限公司 Dead steam recovery technique
CN105318741A (en) * 2014-08-04 2016-02-10 中国石油天然气股份有限公司 Condensed water treatment device and method
CN105615633A (en) * 2016-02-22 2016-06-01 北京利仁科技股份有限公司 Water-steam separation box for steam cooker
CN106352322A (en) * 2016-08-26 2017-01-25 湖南柯林瀚特环保科技有限公司 Vapor-liquid micro-negative pressure condensed water recycling system
CN106813235A (en) * 2017-03-16 2017-06-09 徐州荣盛纺织整理有限公司 A kind of steam and hot water retracting device
CN107285416A (en) * 2017-07-28 2017-10-24 苏州大学 The moisture separator of class Laval tubular types

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793390B (en) * 2010-02-08 2011-11-23 广东省特种设备检测院顺德分院 Comprehensive recovery method and system of condensation water and dead steam
CN101825360A (en) * 2010-05-10 2010-09-08 贵阳铝镁设计研究院 Method and device for recycling high-pressure dissolved steam exhaust of diluting tank in alumina production
CN102393150A (en) * 2011-08-11 2012-03-28 福建大源节能环保科技有限公司 Steam-turbine condensing system and control method thereof
CN102434907A (en) * 2011-10-27 2012-05-02 大连理工大学 Secondary heat exchange station heating system based on jet type heat pump for recovering primary grid backwater complementary energy
CN102434907B (en) * 2011-10-27 2013-08-28 大连理工大学 Secondary heat exchange station heating system based on jet type heat pump for recovering primary grid backwater complementary energy
CN105318741A (en) * 2014-08-04 2016-02-10 中国石油天然气股份有限公司 Condensed water treatment device and method
CN104848284A (en) * 2015-04-09 2015-08-19 宜诺珐玛(天津)科技有限公司 Steam condensation water heat recovery method and device
CN104848284B (en) * 2015-04-09 2017-05-17 宜诺珐玛(天津)科技有限公司 Steam condensation water heat recovery method and device
CN104930873A (en) * 2015-06-04 2015-09-23 宁夏宝塔石化科技实业发展有限公司 Dead steam recovery technique
CN104896967A (en) * 2015-06-10 2015-09-09 济南仙峰泰山化工设备有限公司 Multifunctional recycling system for completely recycling exhausted steam
CN105615633A (en) * 2016-02-22 2016-06-01 北京利仁科技股份有限公司 Water-steam separation box for steam cooker
CN106352322A (en) * 2016-08-26 2017-01-25 湖南柯林瀚特环保科技有限公司 Vapor-liquid micro-negative pressure condensed water recycling system
CN106352322B (en) * 2016-08-26 2017-08-29 湖南柯林瀚特环保科技有限公司 A kind of vapour-liquid shunts tiny structure steam condensate recovery system
CN106813235A (en) * 2017-03-16 2017-06-09 徐州荣盛纺织整理有限公司 A kind of steam and hot water retracting device
CN107285416A (en) * 2017-07-28 2017-10-24 苏州大学 The moisture separator of class Laval tubular types
CN107285416B (en) * 2017-07-28 2020-12-22 苏州大学 Laval-like tubular water-gas separation device

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Address after: A2402, building 4, sunny garden, Hui Xin Road, Beijing, Fengtai District, 100075

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Patentee before: Yang Junting

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