CN109945720A - Cryogenic media carburetion system - Google Patents
Cryogenic media carburetion system Download PDFInfo
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- CN109945720A CN109945720A CN201910285236.7A CN201910285236A CN109945720A CN 109945720 A CN109945720 A CN 109945720A CN 201910285236 A CN201910285236 A CN 201910285236A CN 109945720 A CN109945720 A CN 109945720A
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- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 55
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 55
- 239000004571 lime Substances 0.000 claims abstract description 55
- 238000004064 recycling Methods 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 4
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 239000005439 thermosphere Substances 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 12
- 239000005977 Ethylene Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- -1 ethylene, propylene, ethane Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention proposes that a kind of cryogenic media carburetion system, cryogenic media carburetion system include cryogenic media pipeline, high-temperature medium pipeline, main heat exchange component and thermal energy recycling component.The main heat exchange component have for export exchange heat after the high-temperature medium lime set output end；Cryogenic media pipeline is used for transmission cryogenic media to be vaporized；High-temperature medium pipeline is used for as the cryogenic media pipeline for thermal energy, and main heat exchange component exchanges heat between the cryogenic media pipeline and the high-temperature medium pipeline；Thermal energy recycling component is connected between the output end of the high-temperature medium pipeline and the cryogenic media pipeline, and the thermal energy recycling component is used to recycle the thermal energy of the high-temperature medium after heat exchange, and the thermal energy of recycling is transmitted to the cryogenic media pipeline.Technical solution of the present invention realizes the recycling and reusing of thermal energy, effectively avoids the waste of the energy, improves the utilization rate of steam.
Description
Technical field
The present invention relates to cryogenic medias to vaporize field, in particular to a kind of cryogenic media carburetion system.
Background technique
For convenient transportation in Chemical Manufacture, the raw material of low temperature liquid shape, such as liquid phase low temperature ethylene are often purchased,
And then gas phase is vaporized by steam heating and is used for device.The steam of most Transportation Enterprise is all by outsourcing garden
Steam, but the lime set of the supply commercial city no longer returned enterprise of steam.Since the steam condensate temperature after ethylene gasification is all up to 100
DEG C or more, country is no greater than 40 DEG C to the standard of draining, therefore ethylene Transportation Enterprise requires to be dropped by converting industry water
Temperature is in line after 40 DEG C, and which results in the significant wastages of the energy.
Summary of the invention
The main object of the present invention is to propose a kind of cryogenic media carburetion system, it is intended to be reduced to cryogenic media vaporescence
In energy waste.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of cryogenic media carburetion system, comprising:
Cryogenic media pipeline is used for transmission cryogenic media to be vaporized；
High-temperature medium pipeline, for being the cryogenic media pipeline for thermal energy；
Main heat exchange component is all connected with, in the cryogenic media with the cryogenic media pipeline, the high-temperature medium pipeline
It exchanges heat between pipeline and the high-temperature medium pipeline；The main heat exchange component has to be situated between for the high temperature after exporting heat exchange
The lime set output end of matter；And
Thermal energy recycles component, is connected between the lime set output end and the cryogenic media pipeline, the thermal energy recycling
Component is used to recycle the thermal energy of the high-temperature medium after heat exchange, and the thermal energy of recycling is transmitted to the cryogenic media pipeline.
Optionally, the thermal energy recycling component includes steam condensate heat exchanger and the preheating heat exchanger；The steam is solidifying
Liquid heat exchanger and the preheating heat exchanger all have the first heat exchange layer and the second heat exchange layer；There is heat transfer in second heat exchange layer
Medium；
First heat exchange layer of the steam condensate heat exchanger is connect with the lime set output end, the steam condensate heat exchanger
The second heat exchange layer connect with the second heat exchange layer of the preheating heat exchanger, the first heat exchange layer of the preheating heat exchanger with it is described
Cryogenic media piping connection.
Optionally, the steam condensate heat exchanger and the preheating heat exchanger are shell-and-tube heat exchanger, the shell-and-tube
Heat exchanger has tube side and shell side, and the tube side is first heat exchange layer, and the shell side is second heat exchange layer；
The tube side of the steam condensate heat exchanger is connect with the lime set output end, the shell side of the steam condensate heat exchanger
It is connect with the shell side of the preheating heat exchanger, the tube side of the preheating heat exchanger and the cryogenic media piping connection.
Optionally, the cryogenic media pipeline includes preheating pipeline section, and the economizer bank section is located at the cryogenic media pipeline
With the front end of main heat exchange component junction；
The thermal energy recycling component is connected to the preheating pipeline section, pre- to carry out to the cryogenic media in the preheating pipeline section
Heat.
Optionally, the preheating pipeline section includes main branch section and auxiliary branch section in parallel, is provided with first in the main branch section
Control valve；
The tube side of the preheating heat exchanger is series in the auxiliary branch section.
Optionally, the thermal energy recycling component further includes steam condensate tank and steam condensate pump；
The steam condensate tank is connect with the lime set output end, is situated between with receiving the gas phase high temperature of condensate liquid or condensation output
Matter；
The steam condensate pump is connected between the steam condensate tank and the steam condensate heat exchanger, by the steaming
Condensate liquid in vapour lime set tank is pumped into the steam condensate heat exchanger.
It optionally, further include that multiple shell sides are sequentially connected between the steam condensate heat exchanger and the preheating heat exchanger
Supplementary heat exchanger；
The steam condensate heat exchanger, multiple supplementary heat exchangers, the preheating heat exchanger shell side be sequentially connected；Often
The tube side of the supplementary heat exchanger is series at respectively on the cryogenic media pipeline.
Optionally, the steam condensate heat exchanger and the preheating heat exchanger form thermal energy and recycle branch, and the low temperature is situated between
Matter carburetion system includes multiple thermal energy recycling branches, and multiple thermal energy recycling branches are parallel to the lime set output
Between end and the cryogenic media pipeline；
Per the thermal energy, recycling branch is in series with the second control valve.
Optionally, the cryogenic media carburetion system further includes controller, and the temperature being electrically connected with the controller
Detection device；
The temperature-detecting device is set in the discharge pipe line, and the controller is according to the inspection of the temperature-detecting device
Survey the on-off as a result, control second control valve.
Optionally, heat-conducting layer is enclosed on the outside of the discharge pipe line.
Optionally, the cryogenic media carburetion system has output pipe, and the main heat exchange component includes sequentially connected
First Heat Exchanger, the second heat exchanger, third heat exchanger；
One end of the tube side of the First Heat Exchanger and the high-temperature medium piping connection, the tube side of the First Heat Exchanger
The other end be the lime set output end；
The shell side of the First Heat Exchanger is connect with the shell side of second heat exchanger, the tube side of second heat exchanger
One end and the cryogenic media piping connection, the other end of the tube side of second heat exchanger are connect with the output pipe；
The third heat exchanger shell pass is connect with the shell side of second heat exchanger, the both ends of the third heat exchanger tube pass
It is connected on the output pipe, and the junction of the third heat exchanger and the output pipe is in series with triple valve.
As shown from the above technical solution, the invention has the benefit that
Technical solution of the present invention is by using main heat exchange component between cryogenic media pipeline and the high-temperature medium pipeline
It exchanges heat, in order to be adapted to the cryogenic media pipeline and the high-temperature medium pipeline of different shape and size.Main heat exchange simultaneously
Component has the lime set output end of the high-temperature medium after output heat exchange, consequently facilitating the height after thermal energy recycling collect components heat exchange
Warm lime set.On the one hand thermal energy recycling component is connected to the lime set output end, with again solidifying to the high temperature of lime set output end output
Liquid carries out thermal energy recycling, while thermal energy after the recovery is directly fed back on cryogenic media pipeline, and the recycling for realizing thermal energy is sharp again
With effectively avoiding the waste of the energy, improve the utilization rate of steam.And due to the condensate liquid by thermal energy recycling component
Temperature it is lower, without or it is only necessary to being mixed into less amount of industry water, discharge standard can be reached, to further save
Water resource is saved.Therefore technical solution of the present invention is reduced to the energy waste in cryogenic media vaporescence, improves the energy
Utilization rate.
Detailed description of the invention
Fig. 1 is the functional block diagram of one embodiment of cryogenic media carburetion system of the present invention；
Fig. 2 is the circuit connection diagram of an embodiment of corresponding diagram 1.
The reference numerals are as follows: 10, cryogenic media pipeline；11, pipeline section is preheated；12, the first control valve；20, high temperature is situated between
Matter pipeline；30, main heat exchange component；31, First Heat Exchanger；32, the second heat exchanger；33, third heat exchanger；34, triple valve；40,
Thermal energy recycles component；41, steam condensate heat exchanger；42, preheating heat exchanger；43, steam condensate tank；44, steam condensate pumps；50,
Discharge pipe line；60, output pipe.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
The embodiment of the present application proposes a kind of cryogenic media carburetion system, referring to Fig. 1, cryogenic media carburetion system includes low
Warm medium pipeline 10, high-temperature medium pipeline 20, main heat exchange component 30 and thermal energy recycle component 40.Cryogenic media pipeline 10 is used for
Transmit cryogenic media to be vaporized；High-temperature medium pipeline 20 is used for as cryogenic media pipeline 10 for thermal energy；Main heat exchange component 30 with
Cryogenic media pipeline 10, high-temperature medium pipeline 20 are all connected with, between cryogenic media pipeline 10 and high-temperature medium pipeline 20 into
Row heat exchange；Main heat exchange component 30 have for export exchange heat after high-temperature medium lime set output end；Thermal energy recycles component 40 and connects
Between lime set output end and cryogenic media pipeline 10, thermal energy recycling component 40 is used to recycle the thermal energy of high-temperature medium after heat exchange,
And the thermal energy of recycling is transmitted to cryogenic media pipeline 10.
Cryogenic media pipeline 10 in this programme is transmitted for cryogenic media.Cryogenic media atmospheric boiling point is low lower than -30 DEG C
Warm medium, such as ethylene, propylene, ethane etc., in the examples below, using ethylene as above-mentioned cryogenic media for illustrate.It is low
Warm medium state in cryogenic media pipeline 10 can be in a liquid state or in gas-liquid mixed state, be not specifically limited herein.It is low
Warm medium pipeline 10 is preferably metal tube, and outer layer covers have insulating layer, to keep the temperature to cryogenic media pipeline 10, prevent low
Warm medium vaporization.In the present embodiment, cryogenic media pipeline 10 can be also possible to bend pipe in straight tube, it is not limited here.It is low
Warm medium is flowed into from one end of cryogenic media pipeline 10, along the portion that the flow direction of cryogenic media pipeline 10 exchanges heat with high-temperature medium pipeline 20
Part or pipeline section.
For the present embodiment high temperature medium pipeline 20 for high-temperature medium transmission, high-temperature medium can be the higher liquid of boiling point,
It is also possible to gaseous state.In the present embodiment, high-temperature medium is preferably steam.One end of steam from high-temperature medium pipeline 20 is passed through, edge
The component or pipeline section that the flow direction of high-temperature medium pipeline 20 exchanges heat with cryogenic media pipeline 10.This programme high temperature medium pipeline 20 can be with
It is also possible to bend pipe in straight tube, it is not limited here.In the examples below, illustrate so that high-temperature medium is steam as an example.
Based on the above embodiment, the heat exchange mode between high-temperature medium pipeline 20 and cryogenic media pipeline 10 can be more
Kind, from the point of view of heat transfer process, can be direct heat exchange, i.e., between high-temperature medium pipeline 20 and cryogenic media pipeline 10 directly into
Row heat exchange, is also possible to indirect heat exchange, i.e., realizes indirect heat exchange by another component.From the point of view of heat transfer mechanism, it can be and pass through
Heat transfer heat exchange or thermal convection heat exchange etc..In the present embodiment, high-temperature medium pipeline 20 and cryogenic media pipeline 10 are changed by master
Hot component 30 exchanges heat.Main heat exchange component 30 is all connected with cryogenic media pipeline 10, high-temperature medium pipeline 20, to be situated between in low temperature
It exchanges heat between matter pipeline 10 and high-temperature medium pipeline 20；Main heat exchange component 30 have for export exchange heat after steam lime set
Output end, lime set output end are connect with thermal energy recycling component 40.
Referring to Fig. 2, specifically, high-temperature medium pipeline 20 first exchanges heat with main heat exchange component 30, so that main heat exchanger
Absorb the thermal energy of high-temperature medium in high-temperature medium pipeline 20；Main heat exchanger exchanges heat with cryogenic media pipeline 10 again later, with
The thermal energy of absorption is transferred to the cryogenic media in cryogenic media pipeline 10, finally makes its vaporization.For example, gaseous steam release
After thermal energy, liquid or gas-liquid mixed state are formed, is discharged by the outlet or main heat exchange component 30 of high-temperature medium pipeline 20.This programme
In, main heat exchange component 30 have lime set output end, lime set output end be used for export exchange heat after steam condensate liquid and/or temperature compared with
The low steam of above-mentioned high-temperature medium.
In the embodiment of the present application, cryogenic media carburetion system has output pipe 60, and main heat exchange component 30 includes successively
The First Heat Exchanger 31 of connection, the second heat exchanger 32, third heat exchanger 33.First Heat Exchanger 31, the second heat exchanger 32, third are changed
Hot device 33 is shell-and-tube heat exchanger, and the working principle and internal structure of shell-and-tube heat exchanger are that those skilled in the art institute is ripe
Know, this will not be repeated here.There is heat transfer medium in First Heat Exchanger 31, the second heat exchanger 32, third heat exchanger 33.
One end of the tube side of First Heat Exchanger 31 is connect with high-temperature medium pipeline 20, the tube side of First Heat Exchanger 31 it is another
End is above-mentioned lime set output end；Steam is input in First Heat Exchanger 31 by high-temperature medium pipeline 20 at this time, with the first heat exchange
The heat transfer medium of shell side exchanges heat in device 31, and the steam condensate or steam after heat exchange are discharged from lime set output end.First changes
The shell side of hot device 31 is connect with the shell side of the second heat exchanger 32, one end of the tube side of the second heat exchanger 32 and cryogenic media pipeline 10
Connection；It is flow in 32 shell side of the second heat exchanger after the thermal energy of the shell-side heat transfer Absorption of Medium in First Heat Exchanger 31 at this time, and
It exchanges heat in the second heat exchanger 32 with the ethylene in cryogenic media pipeline 10, vaporizes the ethylene of low temperature liquid, at this time
The temperature of gaseous ethylene is still lower.
Further, the other end of the tube side of the second heat exchanger 32 is connect with output pipe 60；The shell of third heat exchanger 33
Journey is connect with the shell side of the second heat exchanger 32, and the both ends of 33 tube side of third heat exchanger are connected on output pipe 60, and third is changed
The junction of hot device 33 and output pipe 60 is in series with triple valve 34.By adjusting the state of triple valve 34, can control from
The gaseous ethylene of two heat exchangers 32 output is directly exported by output pipe 60；Or the gaseous state that control is exported from the second heat exchanger 32
Ethylene is input in third heat exchanger 33, and further the heat transfer medium with third heat exchanger 33 exchanges heat, to make low temperature
Gaseous ethylene forms the gaseous ethylene of higher temperature, then exports from output pipe 60.
The steam condensate exported in the embodiment of the present application technical solution from 31 lime set output end of First Heat Exchanger and/or steaming
Vapour, still temperature with higher, in order to improve the utilization rate of energy, and is reduced or avoided and needs additional industry water and be somebody's turn to do
Steam condensate is mixed, to meet the requirement of discharge.The thermal energy recycling component 40 of application scheme is for high after recycling heat exchange
The thermal energy of warm medium, and the thermal energy of recycling is transmitted to cryogenic media pipeline 10.Specifically, thermal energy recycling component 40 be connected to it is solidifying
Between liquid output end and cryogenic media pipeline 10.
Technical solution of the present invention by using main heat exchange component 30 cryogenic media pipeline 10 and high-temperature medium pipeline 20 it
Between exchange heat, in order to be adapted to the cryogenic media pipeline 10 and high-temperature medium pipeline 20 of different shape and size.Master changes simultaneously
Hot component 30 has the lime set output end of high-temperature medium after output heat exchange, after collecting heat exchange with this convenient for thermal energy recycling component 40
High temperature lime set.Thermal energy recycling 40 one side of component is connected to lime set output end, with again solidifying to the high temperature of lime set output end output
Liquid carries out thermal energy recycling, while thermal energy after the recovery is directly fed back on cryogenic media pipeline 10, realizes the recycling of thermal energy again
It utilizes, effectively avoids the waste of the energy, improve the utilization rate of steam.And due to by the cold of thermal energy recycling component 40
The temperature of lime set is lower, without or it is only necessary to being mixed into less amount of industry water, can reach discharge standard, thus into one
Step saves water resource.Therefore technical solution of the present invention is reduced to the energy waste in cryogenic media vaporescence, improves energy
The utilization rate in source.
It may include a variety of heat transfer structures, heat-transfer matcrial that thermal energy, which recycles component 40,.Thermal energy recycles component 40 according to heat exchanger
Reason can be worked to divide with working principles such as heat transfer heat exchange, thermal convection heat exchange.Thermal energy recycles component 40 can be by changing
Heat structure and/or heat exchange material realize the heat transfer process between lime set output end and cryogenic media pipeline 10.For example, thermal energy returns
Receiving component 40 can be by Heat Conduction Material by the lime set exported from lime set output end and/or the heat derives of steam, then by the portion
Divide in heat transmission to cryogenic media pipeline 10.
Referring to Fig. 2, in the present embodiment, the thermal energy recycling component includes steam condensate heat exchanger 41 and pre-heating heat-exchanging
Device 42；Steam condensate heat exchanger 41 and preheating heat exchanger 42 all have the first heat exchange layer and the second heat exchange layer；In second heat exchange layer
With heat transfer medium；First heat exchange layer of steam condensate heat exchanger 41 is connect with lime set output end, steam condensate heat exchanger 41
Second heat exchange layer is connect with the second heat exchange layer of preheating heat exchanger 42, the first heat exchange layer and cryogenic media pipe of preheating heat exchanger 42
Road 10 connects.Steam condensate heat exchanger 41 and preheating heat exchanger 42 can change for plate heat exchanger, lamella heat exchanger, fin-tube type
Hot device and shell-and-tube heat exchanger etc..Above-mentioned plate heat exchanger, lamella heat exchanger, fin-tube type heat exchanger and shell-and-tube etc.
The working principle and internal structure of heat exchanger are well known to the skilled person, and this will not be repeated here.
In a specific embodiment, steam condensate heat exchanger 41 and preheating heat exchanger 42 are shell-and-tube heat exchanger, pipe
Shell heat exchanger has tube side and shell side, and tube side is the first heat exchange layer, and shell side is the second heat exchange layer, steam condensate heat exchanger 41
Tube side is connect with lime set output end, and the shell side of steam condensate heat exchanger 41 is connect with the shell side of preheating heat exchanger 42, pre-heating heat-exchanging
The tube side and cryogenic media piping connection of device 42.
Steam condensate heat exchanger 41 and preheating heat exchanger 42 are conducted heat by intermediate heat transfer media, optionally, the heat transfer
The boiling point of medium under operating pressure it is lower than temperature at discharging condensate (such as 40 DEG C) 5 DEG C hereinafter, simultaneously freezing point be lower than -102 DEG C, to keep away
Exempt to solidify after heat transfer medium is ethylene heat exchange.If heat transfer medium can be butylene.
Specifically, steam condensate heat exchanger 41 and preheating heat exchanger 42 all have tube side and shell side；Steam condensate heat exchanger
41 tube side is connect with lime set output end, the lime set to export received from lime set output end and/or steam, steam condensate heat exchanger
41 shell side is connect with the shell side of preheating heat exchanger 42.Heat transfer medium in 41 shell side of steam condensate heat exchanger is absorbing thermal energy
After vaporize, and enter preheating heat exchanger 42 shell side in.The tube side of preheating heat exchanger 42 is connect with cryogenic media pipeline 10, low temperature
Cryogenic media in medium pipeline 10 exchanges heat with the heat transferring medium row in 42 shell side of preheating heat exchanger.
Further, the position that is connected on cryogenic media pipeline 10 of thermal energy recycling component 40 is various, according to connection
The difference of position, thermal energy recycling component 40 can before cryogenic media pipeline 10 and main heat exchange component 30 exchange heat or after heat exchange, with
Cryogenic media pipeline 10 exchanges heat.It in application scheme, is preferably provided with, thermal energy recycles the heat that component 40 recycles and is used for low
Cryogenic media in warm medium pipeline 10 is preheated, to utilize steam heat to greatest extent.
Specifically, cryogenic media pipeline 10 includes preheating pipeline section 11, preheating pipeline section 11 is located at cryogenic media pipeline 10 and master
The front end of 30 junction of heat-exchanging component, to be preheated to the cryogenic media in preheating pipeline section 11.
Further, cryogenic media in preheating heat exchanger 42 is flowed into order to regulate and control the cryogenic media in cryogenic media pipeline 10
Amount.In the present embodiment, setting preheating pipeline section 11 includes main branch section and auxiliary branch section in parallel, is provided with the first control in main branch section
Valve 12 processed；The tube side of preheating heat exchanger 42 is series in auxiliary branch section.First control valve 12 has multiple apertures, therefore passes through adjusting
The aperture of first control valve 12 can flexibly control the amount for flowing into cryogenic media in pre-heating heat-exchanging.It is provided with when in auxiliary branch section
Switching control pilot；When switch control valve breakdown, the cryogenic media in cryogenic media pipeline 10 will not flow into preheating heat exchanger
In 42.
In order to efficiently control thermal energy recycling component 40 work rhythm, and improve thermal energy recycling component 40 work can
By property, it further includes steam condensate tank 43 and steam condensate pump 44 that this programme setting thermal energy, which recycles component 40,；Steam condensate tank 43 with
Lime set output end connection, to receive the condensate liquid of steam or the gas phase high-temperature medium of condensation output；Steam condensate pump 44 is connected to
Between steam condensate tank 43 and steam condensate heat exchanger 41, the condensate liquid in steam condensate tank 43 is pumped into steam condensate heat exchange
In device 41.
Based on the above embodiment, the tube side of steam condensate heat exchanger 41 is connected with discharge pipe line 50, and discharge pipe line 50 is used for
Lime set after discharge heat exchange.In the present solution, in order to further increase the heat transfer effect of thermal energy recycling component 40, and it is solidifying according to steam
Lime set amount and lime set temperature in flow container 43, with the heat exchange amount of more flexibly adjustment thermal energy recycling component 40, in this programme
In one embodiment, steam condensate heat exchanger 41 and preheating heat exchanger 42 form thermal energy and recycle branch, cryogenic media carburetion system packet
Include multiple thermal energy recycling branches, and multiple thermal energy recycling branch be parallel to steam condensate pump 44 and cryogenic media pipeline 10 it
Between；Every thermal energy recycling branch is in series with the second control valve.Therefore when the lime set amount in lime set tank is larger and lime set temperature is higher,
By controlling the second control valve, so that multiple thermal energy recycling branch is fully open, to improve the heat exchange amount of thermal energy recycling component 40；
When the lime set amount in lime set tank is smaller and lime set temperature is low, by controlling the second control valve, so that one or two thermal energy returns
Revenue and expenditure road is opened, so that the flux matched current lime set amount for needing to exchange heat of the heat exchange of thermal energy recycling component 40.As the row in drainpipe
When coolant-temperature gage is higher, also indicate that the heat exchange of thermal energy recycling component 40 is incomplete.Therefore by the way that temperature is arranged in discharge pipe line 50
Detection device, to control the on-off of the second control valve convenient for staff according to the testing result of temperature-detecting device.
It can also include that multiple shell sides are sequentially connected auxiliary between above-mentioned steam condensate heat exchanger 41 and preheating heat exchanger 42
Help heat exchanger；Steam condensate heat exchanger 41, multiple supplementary heat exchangers, preheating heat exchanger 42 shell side be sequentially connected；Every auxiliary is changed
The tube side of hot device is series at respectively on cryogenic media pipeline 10.Entire thermal energy recycling group can be improved in multiple supplementary heat exchanger series connection
On the other hand the heat of heat exchange can also be distributed in low temperature Jie so as to increase heat exchange amount by the amount of heat transfer medium in part 40
On multiple pipeline sections of matter pipeline 10, to improve the pre-heat effect to cryogenic media pipeline 10.
Further, in order to realize the auto-control of cryogenic media carburetion system, cryogenic media vapour is set in this programme
Change system further includes controller, and controller is connect with temperature-detecting device electric signal；Controller is according to the inspection of temperature-detecting device
It surveys as a result, automatically controlling the on-off of the second control valve.In a preferred embodiment, it is stored with control algolithm in controller, with root
According to the temperature range where the temperature value of temperature-detecting device detection, the on-off of the second control valve of corresponding number is controlled, to beat
ON/OFF break the quantity thermal energy recycling branch, realize the flexible control of heat exchange amount.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of cryogenic media carburetion system characterized by comprising
Cryogenic media pipeline is used for transmission cryogenic media to be vaporized；
High-temperature medium pipeline, for being the cryogenic media pipeline for thermal energy；
Main heat exchange component is all connected with, in the cryogenic media pipeline with the cryogenic media pipeline, the high-temperature medium pipeline
It exchanges heat between the high-temperature medium pipeline；The main heat exchange component have for export exchange heat after the high-temperature medium
Lime set output end；And
Thermal energy recycles component, is connected between the lime set output end and the cryogenic media pipeline, and the thermal energy recycles component
For recycling the thermal energy of the high-temperature medium after heat exchange, and the thermal energy of recycling is transmitted to the cryogenic media pipeline.
2. cryogenic media carburetion system as described in claim 1, which is characterized in that the thermal energy recycling component includes that steam is solidifying
Liquid heat exchanger and the preheating heat exchanger；The steam condensate heat exchanger and the preheating heat exchanger all have the first heat exchange layer and
Second heat exchange layer；There is heat transfer medium in second heat exchange layer；
First heat exchange layer of the steam condensate heat exchanger is connect with the lime set output end, and the of the steam condensate heat exchanger
Two heat exchange layers are connect with the second heat exchange layer of the preheating heat exchanger, the first heat exchange layer of the preheating heat exchanger and the low temperature
Medium pipeline connection.
3. cryogenic media carburetion system as claimed in claim 2, which is characterized in that the steam condensate heat exchanger and described pre-
Heat exchanger is shell-and-tube heat exchanger, and the shell-and-tube heat exchanger has tube side and shell side, and the tube side changes for described first
Thermosphere, the shell side are second heat exchange layer；
The tube side of the steam condensate heat exchanger is connect with the lime set output end, the shell side of the steam condensate heat exchanger and institute
State the shell side connection of preheating heat exchanger, the tube side of the preheating heat exchanger and the cryogenic media piping connection.
4. cryogenic media carburetion system as claimed in claim 3, which is characterized in that the cryogenic media pipeline includes economizer bank
Section, the economizer bank section are located at the front end of the cryogenic media pipeline and main heat exchange component junction；
The thermal energy recycling component is connected to the preheating pipeline section, to preheat to the cryogenic media in the preheating pipeline section.
5. cryogenic media carburetion system as claimed in claim 2, which is characterized in that the preheating pipeline section includes main branch in parallel
Section and auxiliary branch section are provided with the first control valve in the main branch section；
The tube side of the preheating heat exchanger is series in the auxiliary branch section.
6. cryogenic media carburetion system as claimed in claim 3, which is characterized in that the thermal energy recycling component further includes steam
Lime set tank and steam condensate pump；
The steam condensate tank is connect with the lime set output end, the gas phase high temperature for receiving condensate liquid or for condensing output
Medium；
The steam condensate pump is connected between the steam condensate tank and the steam condensate heat exchanger, and the steam is coagulated
Condensate liquid in flow container is pumped into the steam condensate heat exchanger.
7. cryogenic media carburetion system as claimed in claim 3, which is characterized in that the steam condensate heat exchanger and described pre-
It further include the sequentially connected supplementary heat exchanger of multiple shell sides between heat exchanger；
The steam condensate heat exchanger, multiple supplementary heat exchangers, the preheating heat exchanger shell side be sequentially connected；Per described
The tube side of supplementary heat exchanger is series at respectively on the cryogenic media pipeline.
8. the cryogenic media carburetion system as described in claim 2 to 7 any one, which is characterized in that the steam condensate changes
Hot device and the preheating heat exchanger form thermal energy and recycle branch, and the cryogenic media carburetion system includes multiple thermal energy recycling
Branch, and multiple thermal energy recycling branches are parallel between the lime set output end and the cryogenic media pipeline；
Per the thermal energy, recycling branch is in series with the second control valve.
9. cryogenic media carburetion system as claimed in claim 8, which is characterized in that the cryogenic media carburetion system further includes
Controller, and the temperature-detecting device being electrically connected with the controller；
The temperature-detecting device is set in the discharge pipe line, and the controller is according to the detection knot of the temperature-detecting device
Fruit controls the on-off of second control valve.
10. cryogenic media carburetion system as described in claim 1, which is characterized in that the cryogenic media carburetion system has
Output pipe, the main heat exchange component include sequentially connected First Heat Exchanger, the second heat exchanger, third heat exchanger；
One end of the tube side of the First Heat Exchanger and the high-temperature medium piping connection, the other end are the lime set output end；
The shell side of the First Heat Exchanger is connect with the shell side of second heat exchanger, one end of the tube side of second heat exchanger
It is connect with the other end of the cryogenic media piping connection, the tube side of second heat exchanger with the output pipe；
The third heat exchanger shell pass is connect with the shell side of second heat exchanger, the both ends connection of the third heat exchanger tube pass
In on the output pipe, and the third heat exchanger is connect with the output pipe by triple valve.
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