阅读说明：本技术 一种冷热电三联供分布式能源系统 (A kind of cold, heat and electricity triple supply distributed energy resource system ) 是由 蒋超 于 2019-09-04 设计创作，主要内容包括：本发明属于燃气发电技术领域,公开了一种冷热电三联供分布式能源系统,包括：燃机、余热锅炉、汽轮机、启动锅炉和副汽轮机,所述燃机的排气过渡段的一端与所述余热锅炉的进口端连接并连通,所述排气过渡段的一侧设有尾气旁路管,所述尾气旁路管的一端与所述启动锅炉的进口端连接并连通,所述启动锅炉的出口端通过副输汽管与所述副汽轮机的进口端连接并连通,且向所述副汽轮机输出高温介质,所述汽轮机的一侧设有用于级间抽汽的抽汽管,所述抽汽管的一端与所述副汽轮机的进口端连接并连通,本发明布局合理,设计巧妙,实现了分布式能源系统的冷、热、电三联供,提高了联合循环机组的综合工作效率和辅机设备的利用率。(The invention belongs to fuel gas generation technical fields, disclose a kind of cold, heat and electricity triple supply distributed energy resource system, it include: combustion engine, waste heat boiler, steam turbine, starting trouble and secondary steam turbine, one end of the exhaust transition section of the combustion engine and the input end of the waste heat boiler are connected to and in communication with, the side of the exhaust transition section is equipped with tail gas shunt valve, one end of the tail gas shunt valve and the input end of the starting trouble are connected to and in communication with, the outlet end of the starting trouble is connected to and in communication with by the input end of secondary steam transmitting pipe and the secondary steam turbine, and high-temperature medium is exported to the secondary steam turbine, the side of the steam turbine is equipped with the extraction steam pipe for stage bleeding, one end of the extraction steam pipe and the input end of the secondary steam turbine are connected to and in communication with, the present invention is rationally distributed, it is ingenious in design, realize the cold of distributed energy resource system, heat, electricity Trilogy supply improves the synthetic operation efficiency of combined cycle unit and the utilization rate of subsidiary engine equipment.)

1. a kind of cold, heat and electricity triple supply distributed energy resource system characterized by comprising for driving gas electricity generator to generate electricity Combustion engine, the waste heat boiler for crossing thermal medium for utilizing Combustion engine tail gas generation high temperature and pressure overheat media drive steaming for utilizing The steam turbine of vapour electrical power generators, for Combustion engine tail gas recycle starting trouble and for driving station service electrical power generators Secondary steam turbine, the combustion engine are made of compressor, combustion chamber and turbine, and the outlet end of the turbine is equipped with exhaust transition section, institute The input end of one end and the waste heat boiler for stating exhaust transition section is connected to and in communication with, the outlet end of the waste heat boiler with it is described The input end of steam turbine is connected to and in communication with, and to the thermal medium of crossing of steam turbine conveying high temperature and pressure, the steam turbine goes out Mouth end is equipped with for recycling the hot well for crossing thermal medium after doing work, and the outlet end of the hot well connect and connects with the waste heat boiler It is logical, wherein the side of the exhaust transition section is equipped with tail gas shunt valve, one end of the tail gas shunt valve and the starting trouble Input end be connected to and in communication with, the outlet end of the starting trouble passes through secondary steam transmitting pipe and connect with the input end of the pair steam turbine And be connected to, and export high-temperature medium to the secondary steam turbine, the side of the steam turbine is equipped with the extraction steam pipe for stage bleeding, One end of the extraction steam pipe and the input end of the secondary steam turbine are connected to and in communication with.

2. a kind of cold, heat and electricity triple supply distributed energy resource system as described in claim 1, which is characterized in that the starting trouble Equipped with the first plate heat exchanger for cold and hot interaction, the input end of first plate heat exchanger is by being set to the defeated vapour of pair The defeated vapour shunt valve of the side of pipe is connected to and in communication with the secondary steam transmitting pipe.

3. a kind of cold, heat and electricity triple supply distributed energy resource system as claimed in claim 2, which is characterized in that described first is board-like The outlet end of heat exchanger is equipped with the first heating tube for moving heat supply, is successively arranged first flow on first heating tube Meter, the first thermometer and first flow control valve.

4. a kind of cold, heat and electricity triple supply distributed energy resource system as described in claim 1, which is characterized in that the pair steam turbine Equipped with the second plate heat exchanger for cold and hot interaction, one end of second plate heat exchanger is equipped with interior input end and outer vent End, the other end are equipped with inner outlet end and outer input end, wherein the interior input end of second plate heat exchanger is by being set to institute The the first steam extraction shunt valve for stating the side of extraction steam pipe is connected to and in communication with the extraction steam pipe, second plate heat exchanger it is outer into Mouth end and the outlet end of the secondary steam turbine are connected to and in communication with.

5. a kind of cold, heat and electricity triple supply distributed energy resource system as claimed in claim 4, which is characterized in that described second is board-like The outer vent end of heat exchanger is equipped with the second heating tube for moving heat supply, and the inner outlet end of second plate heat exchanger is equipped with For recycling the recovery tube of the high-temperature medium after heat exchange, one end of the recovery tube is connect simultaneously with the input end of the hot well Connection.

6. a kind of cold, heat and electricity triple supply distributed energy resource system as claimed in claim 5, which is characterized in that second heat supply Second flowmeter, second temperature table and second flow control valve are successively arranged on pipe.

7. a kind of cold, heat and electricity triple supply distributed energy resource system as described in claim 1, which is characterized in that further include for doing The cold bromine cooling machine of metric system, the input end of the bromine cooling machine is by being set to the second steam extraction shunt valve and the institute of the side of the extraction steam pipe It states extraction steam pipe to be connected to and in communication with, the outlet end of the bromine cooling machine is equipped with the cooling supply pipe for conveying cold source, the cooling supply Guan Shangyi It is secondary to be equipped with cooling supply flowmeter for pipe, cooling supply pipe thermometer and cooling supply pipe flow control valve.

8. a kind of cold, heat and electricity triple supply distributed energy resource system as described in claim 1, which is characterized in that be vented described Cross the junction of the input end of section and the waste heat boiler and the company of the tail gas shunt valve and the input end of the starting trouble The place of connecing is fixedly connected to flexible expansion section, poor for compensating axial thermal expansion.

9. such as a kind of described in any item cold, heat and electricity triple supply distributed energy resource systems of claim 1-8, which is characterized in that described It is equipped with pressure and temperature reducing adjuster on defeated vapour shunt valve, the first steam extraction shunt valve and the second steam extraction shunt valve, in regulation pipe Medium temperature and pressure.

10. a kind of cold, heat and electricity triple supply distributed energy resource system as claimed in claim 9, which is characterized in that by the tail gas Road pipe is equipped with the tail gas regulating valve for adjusting exhaust flow, and the extraction steam pipe is equipped with the steam for adjusting rate-of flow Regulating valve.

Technical field

The invention belongs to fuel gas generation technical field more particularly to a kind of cold, heat and electricity triple supply distributed energy resource systems.

Background technique

Now, in the gas-steam combined circulating generation unit based on gas turbine, polygamy is auxiliary for heat source, cold source Equipment is helped, is the gas turbine of main fuel in turbine using natural gas to realize the distributed energy resource system of hot and cold, electric trilogy supply After completing acting and driven generator, the gas-steam combined circulating generation unit for lifting 2 × 180MW of S109E of GE company is Example, the tail gas of turbine exhaust frame discharge continue to act on the respectively heat exchange such as the superheater of waste heat boiler, evaporator and economizer Face, it is therefore intended that force waste heat boiler to generate the superheated steam of high temperature and pressure, this superheated steam is acted on into the high and low of steam turbine Air cylinder, driving steam turbine drive generator to rotate and do work, and the condensed water after acting is returned to waste heat boiler and forms circulation, Circulating generation, also known as Rankine cycle are realized with this, and during combined cycle generation, unit is differentiated with inner cylinder temperature Cold, warm, hot starting, hot start need to be using starting trouble as preheating waste heat boiler and steam turbine the unit cold start during Ancillary equipment.

But in the combined cycle unit power generation process of the prior art, when unit is in temperature, hot starting, hot start, without opening Dynamic boiler preheating, and the day start-stop unit of most bulk power grid peak regulations is in warm hot starting, hot start, cause starting trouble utilization rate and It is low, and the tail gas that gas turbine is discharged after turbine does work is about between 500 degrees Celsius -565 degrees Celsius, what tail gas was taken away Heat, which remains unchanged, accounts for the 35%-45% of fuel value, the bad phenomenon of Combustion engine tail gas calorific value surplus occurs, steam turbine is also in work work Stage bleeding need to be arranged to avoid the humidity phenomenon with water or exhaust stage blade between dynamic and static leaf-level in Cheng Zhong, so, how Combustion engine tail gas, extracted steam from turbine and starting trouble are effectively utilized, unit overall efficiency is improved, improves subsidiary engine utilization rate of equipment and installations, The technical issues of as a urgent need to resolve.

Summary of the invention

The purpose of the present invention is to provide a kind of cold, heat and electricity triple supply distributed energy resource systems, to improve the comprehensive effect of unit Rate improves subsidiary engine utilization rate of equipment and installations.

To realize the above goal of the invention, the technical solution of use are as follows: a kind of cold, heat and electricity triple supply distributed energy resource system, packet It includes: the combustion engine for driving gas electricity generator to generate electricity, the waste heat for crossing thermal medium for generating high temperature and pressure using Combustion engine tail gas Boiler, the steam turbine for utilizing overheat media drive steam-driven generator power generation, the starting trouble recycled for Combustion engine tail gas With for driving the secondary steam turbine of station service electrical power generators, the combustion engine is made of compressor, combustion chamber and turbine, described Flat outlet end is equipped with exhaust transition section, and one end of the exhaust transition section connect and connects with the input end of the waste heat boiler Logical, the outlet end of the waste heat boiler and the input end of the steam turbine are connected to and in communication with, and convey high temperature to the steam turbine High pressure crosses thermal medium, and the outlet end of the steam turbine is equipped with for recycling the hot well for crossing thermal medium after doing work, the hot well Outlet end be connected to and in communication with the waste heat boiler, wherein the side of the exhaust transition section be equipped with tail gas shunt valve, it is described One end of tail gas shunt valve and the input end of the starting trouble are connected to and in communication with, and the outlet end of the starting trouble passes through secondary defeated The input end of steam pipe and the secondary steam turbine is connected to and in communication with, and exports high-temperature medium, the steam turbine to the secondary steam turbine Side be equipped with the extraction steam pipe for stage bleeding, one end of the extraction steam pipe connect and connects with the input end of the pair steam turbine It is logical.

The present invention is further arranged to: the starting trouble is equipped with the first plate heat exchanger for cold and hot interaction, described The input end of first plate heat exchanger is connected by the defeated vapour shunt valve and the secondary steam transmitting pipe for being set to the side of the secondary steam transmitting pipe It connects and is connected to.

The present invention is further arranged to: the outlet end of first plate heat exchanger is equipped with the first confession for moving heat supply Heat pipe is successively arranged first flowmeter, the first thermometer and first flow control valve on first heating tube.

The present invention is further arranged to: the pair steam turbine is equipped with the second plate heat exchanger for cold and hot interaction, described One end of second plate heat exchanger is equipped with interior input end and outer vent end, and the other end is equipped with inner outlet end and outer input end, In, the interior input end of second plate heat exchanger by be set to the extraction steam pipe side the first steam extraction shunt valve with it is described Extraction steam pipe is connected to and in communication with, and the outer input end of second plate heat exchanger connect and connects with the outlet end of the secondary steam turbine It is logical.

The present invention is further arranged to: the outer vent end of second plate heat exchanger is equipped with second for moving heat supply Heating tube, the inner outlet end of second plate heat exchanger are equipped with the recovery tube for recycling the high-temperature medium after heat exchange, One end of the recovery tube and the input end of the hot well are connected to and in communication with.

The present invention is further arranged to: second flowmeter, second temperature table and are successively arranged on second heating tube Two flow control valves.

The present invention is further arranged to: further including the bromine cooling machine for refrigeration of handling official business, the input end of the bromine cooling machine passes through The second steam extraction shunt valve set on the side of the extraction steam pipe is connected to and in communication with the extraction steam pipe, the outlet end of the bromine cooling machine Equipped with the cooling supply pipe for conveying cold source, cooling supply flowmeter for pipe, cooling supply pipe thermometer and cooling supply are successively arranged on the cooling supply pipe Pipe flow control valve.

The present invention is further arranged to: in the junction and institute of the exhaust transition section and the input end of the waste heat boiler The junction for stating the input end of tail gas shunt valve and the starting trouble is fixedly connected to flexible expansion section, for compensating axial direction Thermal expansion difference.

The present invention is further arranged to: on the defeated vapour shunt valve, the first steam extraction shunt valve and the second steam extraction shunt valve Equipped with pressure and temperature reducing adjuster, for medium temperature and pressure in regulation pipe.

The present invention is further arranged to: the tail gas shunt valve is equipped with the tail gas regulating valve for adjusting exhaust flow, The extraction steam pipe is equipped with the steam control valve for adjusting rate-of flow.

In conclusion compared with prior art, the present invention heats waste heat boiler using Combustion engine tail gas and it is made to generate high temperature High pressure crosses the acting of thermal medium steam supply turbine, constructs Rankine cycle system for steam turbine, is sent out by driving gas electricity generator, steam Motor outwardly exports electric energy, meanwhile, connect set on the tail gas shunt valve of the side of exhaust transition section and the input end of starting trouble It connects, shunting Combustion engine tail gas to starting trouble, and passes through the high-temperature medium that starting trouble exports and secondary steam turbine is driven to drive station service On the other hand generator acting is acted on the input end of secondary steam turbine by the extraction steam pipe that the side of steam turbine is equipped with, assists to open Dynamic boiler drives secondary steam turbine, and combustion gas tail gas is effectively utilized and steam turbine stage bleeding does work again, improves combined cycle The overall efficiency of unit and the utilization rate of subsidiary engine equipment.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of general frame schematic diagram of cold, heat and electricity triple supply distributed energy resource system provided in this embodiment.

Appended drawing reference: 1, combustion engine；11, compressor；12, combustion chamber；13, turbine；14, exhaust transition section；15, tail gas bypasses Pipe；151, tail gas regulating valve；16, flexible expansion section；2, waste heat boiler；3, steam turbine；31, hot well；32, extraction steam pipe；321, it steams Steam control valve；33, the first steam extraction shunt valve；34, the second steam extraction shunt valve；35, pressure and temperature reducing adjuster；4, starting trouble；41, Secondary steam transmitting pipe；42, the first plate heat exchanger；43, defeated vapour shunt valve；44, the first heating tube；441, first flowmeter；442, One thermometer；443, first flow control valve；5, secondary steam turbine；51, the second plate heat exchanger；511, interior input end；512, outer Input end；513, inner outlet end；514, outer vent end；52, the second heating tube；521, second flowmeter；522, second temperature Table；523, second flow control valve；53, recovery tube；6, gas electricity generator；7, steam-driven generator；8, station-service electric generator；9, bromine Cold；91, cooling supply pipe；911, cooling supply flowmeter for pipe；912, cooling supply pipe thermometer；913, cooling supply pipe flow control valve.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated, it should be understood that and the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

As long as in addition, the non-structure each other of technical characteristic involved in different embodiments of the present invention described above It can be combined with each other at conflict.

A kind of cold, heat and electricity triple supply distributed energy resource system, referring to FIG. 1, Fig. 1 is that one kind provided in this embodiment is cold and hot The general frame schematic diagram of electric trilogy supply distributed energy resource system, comprising: combustion engine 1, waste heat boiler 2, steam turbine 3, starting trouble 4 With secondary steam turbine 5, combustion engine 1 is gas turbine, is made of compressor 11, combustion chamber 12 and turbine 13, in the work of gas turbine During work, air is sufficiently mixed after the compression heating of compressor 11 with natural gas and the full combustion in combustion chamber 12, generates High-temperature fuel gas flow through turbine 13 and the dynamic and static blade of turbine 13 effect under, driving turbine 13 rotation acting, drive combustion gas hair Motor 6 generates electricity, and the residual exhaust after acting enters waste heat boiler 2 through exhaust transition section 14, wherein waste heat boiler 2 is according to tail gas Circulating direction is disposed with superheater, evaporator and economizer, separately auxiliary to have drum, feed pump, oxygen-eliminating device and attemperator etc., I.e. its own working medium (water) is heated sufficiently to superheat state, working medium overheat using the exhaust heat-energy of combustion gas 1 by waste heat boiler 2 Degree typically about 50, with this condition, working medium is the superheated steam of high temperature and pressure, this superheated steam passes through the master of steam turbine 3 Porthole and main vapour pitch enter into the high and low pressure cylinder of steam turbine 3 to do work and make steam turbine 3 that steam-driven generator 7 be driven to send out Electricity, the superheated steam after doing work via steam turbine 3 are converted into condensed water and are back to the oxygen-eliminating device of waste heat boiler 2 through hot well 31 It is interior to be recycled next time, constitute a part of Rankine cycle.

In the specific implementation process, the present embodiment further includes having starting trouble 4, and starting trouble 4 follows for gas-steam combined One ancillary equipment of ring unit, (inner cylinder Wen≤150 degree Celsius) starting trouble 4 during the cold start of unit The steam of certain temperature is generated by fuel Heating and preheating and deoxygenation, working principle are carried out to steam turbine 3 and waste heat boiler 2 It is equal to waste heat boiler 2, still, for the regulating units under bulk power grid, especially day start-stop unit, unit is in temperature, heat State only starts unit under the cold conditions shut down for a long time for some reason, just needs to be aided with starting trouble 4, daily in unit as a result, Under warm, hot operating status, starting trouble 4 is in dead status, and the present invention utilizes starting trouble by the tail gas of combustion engine 1 again 4 work improve it using utilization rate, also indirectly improve the waste gas utilization efficiency of combustion engine 1.

Wherein, the outlet end of turbine 13 is equipped with exhaust transition section 14, one end of exhaust transition section 14 and waste heat boiler 2 into The connection of mouth end, the side of exhaust transition section 14 are equipped with tail gas shunt valve 15, one end and the starting trouble 4 of tail gas shunt valve 15 Input end connection, wherein the outlet end of starting trouble 4 is connected to and in communication with by the input end of secondary steam transmitting pipe 41 and secondary steam turbine 5, And high-temperature medium is exported to secondary steam turbine 5, the side of steam turbine 3 is equipped with the extraction steam pipe 32 for stage bleeding, extraction steam pipe 32 One end and the input end of secondary steam turbine 5 are connected to and in communication with, and are acted on and are opened by the tail gas that tail gas shunt valve 15 shunts combustion engine 1 with this Dynamic boiler 4, meanwhile, the high-temperature medium Mixed design for being exported the stage bleeding of steam turbine 3 and starting trouble 4 by extraction steam pipe 32 To secondary steam turbine 5, secondary steam turbine 5 is driven to rotate and station-service electric generator 8 is driven to set to all subsidiary engines of distributed energy resource system It is standby that station service is provided, improve the utilization rate of the tail gas of combustion engine 1 and the stage bleeding of steam turbine 3.

It should be noted that tail gas shunt valve 15 is equipped with the tail gas regulating valve 151 for adjusting exhaust flow, extraction steam pipe 32 are equipped with the steam control valve 321 for adjusting rate-of flow, by adjusting tail gas regulating valve 151 and steam control valve 321 The rational proportion for realizing 14 inner exhaust gas of exhaust transition section and 15 inner exhaust gas of tail gas shunt valve, makes full use of the interference tail gas of combustion gas 1, Realize the tail gas recycle of maximized combustion engine 1, identical reason, the stage bleeding of steam turbine 3 is controlled by steam control valve 321 Amount, between the dynamic and static leaf-level for slowing down steam turbine 3 after the humidity with water and exhaust stage blade, reasonable decimated thermal medium, Realize that the medium of maximized steam turbine 3 utilizes, wherein tail gas regulating valve 151 and steam control valve 321 be electric adjustable valve simultaneously Equipped with a distant place/monitoring programme on the spot, it can far-end remote control.

As shown in Figure 1, starting trouble 4 is equipped with the first plate heat exchanger 42 for cold and hot interaction, the first plate heat exchanger 42 input end is connected to and in communication with by being set to the defeated vapour shunt valve 43 of the side of secondary steam transmitting pipe 41 with secondary steam transmitting pipe 41, is passed through The high-temperature medium in secondary steam transmitting pipe 41 is shunted to act on the first plate heat exchanger 42, achievees the purpose that heat source is supplied.

In the specific implementation process, the outlet end of the first plate heat exchanger 42 is equipped with the first heating tube for moving heat supply 44, first flowmeter 441, the first thermometer 442 and first flow control valve 443 are successively arranged on the first heating tube 44, are used for The flow and temperature of the high-temperature water of the first heating tube 44 output are monitored, wherein first flow control valve 443 is motor-driven valve and is arranged There is driver to long-range DCS control centre, for opening and closing for distant place control valve, in addition, the outer surface of the first heating tube 44 is applied There is thermal insulation layer, for being isolated with external environment, avoids scalding other people.

As shown in Figure 1, secondary steam turbine 5 is equipped with the second plate heat exchanger 51 for cold and hot interaction, the second plate heat exchanger 51 one end is equipped with interior input end 511 and outer input end 512, and the other end is equipped with inner outlet end 513 and outer vent end 514, In, the interior input end 511 of the second plate heat exchanger 51 is by being set to the first steam extraction shunt valve 33 of the side of extraction steam pipe 32 and taking out Steam pipe 32 is connected to and in communication with, and the outer input end 512 of the second plate heat exchanger 51 and the outlet end of secondary steam turbine 5 are connected to and in communication with, Wherein, the inner outlet end 513 of the second plate heat exchanger 51 is equipped with the recovery tube for recycling the high-temperature medium after heat exchange 53, one end of recovery tube 53 and the input end of hot well 31 are connected to and in communication with, and the outer vent end 514 of the second plate heat exchanger 51 is equipped with For moving the second heating tube 52 of heat supply, i.e., high-temperature medium and work in extraction steam pipe 32 are shunted by the first steam extraction shunt valve 33 It exchanges heat for the second plate heat exchanger 51, and with the condensed water of the outlet end of secondary steam turbine 5 output, realizes that heat source is supplied with this Purpose.

In the specific implementation process, be successively arranged on the second heating tube 52 second flowmeter 521, second temperature table 522 and Second flow control valve 523, the flow and temperature of the high-temperature water for monitoring the output of the second heating tube 52, wherein second flow control Valve 523 processed is motor-driven valve and is provided with driver to long-range DCS control centre, for opening and closing for distant place control valve, in addition, The outer surface of second heating tube 52 is covered with thermal insulation layer, for being isolated with external environment, avoids scalding other people.

As shown in Figure 1, cold, heat and electricity triple supply distributed energy resource system further includes the bromine cooling machine 9 for refrigeration of handling official business, bromine is cold The input end of machine 9 is connected to and in communication with by being set to the second steam extraction shunt valve 34 of the side of extraction steam pipe 32 with extraction steam pipe 32, and bromine is cold The outlet end of machine 9 is equipped with the cooling supply pipe 91 for conveying cold source, is successively arranged cooling supply flowmeter for pipe 911, cooling supply on cooling supply pipe 91 Pipe thermometer 912 and cooling supply pipe flow control valve 913, wherein bromine cooling machine 9 is lithium bromide refrigerator, for a kind of common suction Receipts formula refrigeration machine, using lithium bromide water solution as working medium, in the height for being shunted extraction steam pipe 32 by the second steam extraction shunt valve 34 and being conveyed Under the action of warm medium, cold source is externally conveyed by cooling supply pipe 91, achievees the purpose that office refrigeration.

In the specific implementation process, cooling supply flowmeter for pipe 911 and cooling supply pipe thermometer 912 are for monitoring the output of cooling supply pipe 91 Cold source flow and temperature, wherein cooling supply pipe flow control valve 913 is motor-driven valve and is provided with driver and controls to long-range DCS Center processed, for opening and closing for distant place control valve, in addition, the outer surface of cooling supply pipe 91 is covered with thermal insulation layer, for completely cutting off cooling supply pipe 91 absorb external heat.

As shown in Figure 1, exhaust transition section 14 and the input end of waste heat boiler 2 junction and tail gas shunt valve 15 with open The junction of the input end of dynamic boiler 4 is fixedly connected to flexible expansion section 16, and flexible expansion section 16 is a kind of effectively to rise To the flexible member of compensation axial deformation, axial flexibility is big, is easily deformed, and can compensate for exhaust transition section 14 and waste heat boiler 2 Input end and tail gas shunt valve 15 it is different from the temperature of the input end of starting trouble 4 and generate thermal expansion difference, reduce them Axial load, to reduce the input end and tail gas shunt valve 15 and starting trouble 4 of exhaust transition section 14 and waste heat boiler 2 The thermal (temperature difference) stress of input end avoids causing strength failure, unstable failure and pulling destruction etc., improves waste heat boiler 2 and starting pot The service life of furnace 4.

In conjunction with above content, it is equipped on defeated vapour shunt valve 43, the first steam extraction shunt valve 33 and the second steam extraction shunt valve 34 Pressure and temperature reducing adjuster 35, pressure and temperature reducing adjuster 35 are a kind of one kind for spraying desuperheating water into pipeline by electric control valve Reducing-and-cooling plant is situated between in the pipe for adjusting defeated vapour shunt valve 43, the first steam extraction shunt valve 33 and the second steam extraction shunt valve 34 The temperature and pressure of matter, to meet the parameter request of cold, heat and electricity triple supply distributed energy resource system.

It should be noted that pressure and temperature reducing adjuster 35 is the prior art known to those skilled in the art, this In the specific structure and working principle of pressure and temperature reducing adjuster 35 no longer applied state.

In conclusion the invention has the following advantages: the present invention in the side of exhaust transition section 14 by leading to Tail gas shunt valve 15 acts on starting trouble 4, forces starting trouble 4 to generate high-temperature medium and is delivered to secondary steam turbine 5, is driven with this Dynamic pair steam turbine 5 rotates and station-service electric generator 8 is driven to convey station service to full factory's subsidiary engine equipment, in addition, being bypassed by defeated vapour The output medium that pipe 43 shunts starting trouble 4 simultaneously acts on the first plate heat exchanger 42, for outwardly providing heat source, by the The stage bleeding of one steam extraction shunt valve, 33 divided-flow turbine 3 simultaneously acts on the second plate heat exchanger 51 and outwardly provides heat source, leads to It crosses the stage bleeding of 34 divided-flow turbine 3 of the second steam extraction shunt valve and acts on bromine cooling machine 9 and outwardly convey cold source, it is real with this Existing hot and cold, electric trilogy supply, improves the synthetic operation efficiency of combined cycle unit and the utilization rate of subsidiary engine equipment.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.