CN205507572U - High -efficient temperature control system - Google Patents
High -efficient temperature control system Download PDFInfo
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- CN205507572U CN205507572U CN201620330946.9U CN201620330946U CN205507572U CN 205507572 U CN205507572 U CN 205507572U CN 201620330946 U CN201620330946 U CN 201620330946U CN 205507572 U CN205507572 U CN 205507572U
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Abstract
The utility model discloses a high -efficient temperature control system, including low pressure steam generating device and at least one reaction vessel, reaction vessel is provided with and presss from both sides the cover, it has low pressure steam entry and condensate outlet to press from both sides the cover, low pressure steam entry utilize low pressure steam conveying line with low pressure steam generating device's low pressure steam export intercommunication, the low pressure steam that low pressure steam generating device produced gets into it is in the clamp cover, right the temperature heating is controlled to reaction vessel. The utility model discloses practice thrift industrial steam, heat utilization rate height, carry out the accurate control to the temperature of steam, ensured also that heating steam is in low -voltage state, guarantees the security.
Description
Technical field
This utility model relates to chemical industry technical field of temperature control, the most high efficiency temperature controlled system.
Background technology
At present, in fine chemistry industry, medicine and other fields, the control of temperature is required very strict by a lot of low-temp reactions (less than 100 DEG C), and once temperature is higher than reaction temperature, easily causes reaction aggravation, the most then material gives up entirely, heavy then cause blast；If temperature is on the low side, then reaction rate reduces, and by-product increases, and affects production efficiency and product quality.
Owing to industrial steam temperature fluctuation is relatively big, the heating of these reactions is difficult to complete with industry steam direct heating.Particularly with heat sensitive material heating, distill and the technique such as concentration, it is impossible to directly use industrial steam to heat.
Low-temp reaction heating system generally uses heating in water bath or the mode of oil bath heating at present, and energy consumption is high, the efficiency of heating surface is low, and investment cost is high, and integral device volume is bigger.
Also occur in that now much by adjusting the temperature control system that thermal medium temperature realizes.The most in the course of the work, when reactor needs cooling, being then passed through coolant media cooling, when needing to heat up, then coolant is first passed through heat exchanger tube core, after utilizing vapours heating, the interlayer realization entering back into reactor heats up.This temperature control mode belongs to passivity, and response speed is very slow, is not suitable for requiring reaction temperature the strictest fine chemistry industry, field of medicaments.And current Low Temperature Steam generating means, the most generally there is the biggest defect: 1, the temperature of steam cannot be carried out controlling, can not meet the demand of differential responses temperature；2, the steam pressure produced cannot be carried out controlling, and is passed directly in the chuck of reactor, there is titanic peril；3, using electric heating conversion, heat exchange efficiency is low, and capacity usage ratio is very poor；4, automaticity is low.
Therefore, develop a kind of new low-pressure steam generating device and temperature control system, not only there is urgent researching value, it may have good economic benefit and commercial Application potentiality, this power place that this utility model is accomplished just and basis.
Utility model content
In order to overcome the defect of prior art as indicated above, this is conducted in-depth research by the present inventor, after having paid a large amount of creative work, thus completes this utility model.
Specifically, technical problem to be solved in the utility model is: provide high efficiency temperature controlled system, to solve the technical problem that the heating-up temperature of reaction vessel is difficult to accurately control.
For solving above-mentioned technical problem, the technical solution of the utility model is:
High efficiency temperature controlled system, including low-pressure steam generating device and at least one reaction vessel, described reaction vessel is provided with chuck, described chuck has low-pressure steam inlet and condensate outlet, described low-pressure steam inlet utilizes low-pressure steam transfer pipeline to connect with the low-pressure steam outlet of described low-pressure steam generating device, the low-pressure steam that described low-pressure steam generating device produces enters in described chuck, and described reaction vessel is carried out temperature control heating.
In this utility model, as the preferred technical scheme of one, described low-pressure steam generating device includes
Heat exchanger tube core, described heat exchanger tube core has the first entrance being passed through high-temperature medium and the first outlet discharging cooling medium；
And housing, described housing surround described heat exchanger tube core, and described housing offer to be passed through the second entrance of easy vaporized medium, and be positioned at the low-pressure steam outlet of described case top, described low-pressure steam outlet connects low-pressure steam transfer pipeline.
In this utility model, as the preferred technical scheme of one, described heat exchanger tube core uses spiral winded type heat exchanger tube core.
In this utility model, as the preferred technical scheme of one, described low-pressure steam transfer pipeline is provided with temperature sensor, the steam-out (SO) pipeline being connected with described first entrance arranges and is automatically adjusted proportioning valve, and described temperature sensor utilizes pilot to realize the described control being automatically adjusted proportioning valve.
In this utility model, as the preferred technical scheme of one, described second entrance connects fluid reservoir, and described fluid reservoir is in order to carry easy vaporized medium in described housing；Being provided with the second outlet on described housing, described second outlet is in order to derive unboiled easy vaporized medium to fluid reservoir.
In this utility model, as the preferred technical scheme of one, described low-pressure steam generating device also includes pumped vacuum systems, and described pumped vacuum systems is in order to control the pressure in low-pressure steam transfer pipeline；Described pumped vacuum systems includes pressurizer and vacuum pump, described vacuum pump and described pressurizer are connected by vacuum lead, the first stop valve it is provided with on described vacuum lead, simultaneously, described vacuum lead utilizes manifold to connect with low-pressure steam transfer pipeline, and is provided with the second stop valve on described manifold.
In this utility model, as the preferred technical scheme of one, described pressurizer and described fluid reservoir utilize and are provided with automatic valve on pipeline communication, and described pipeline, described fluid reservoir is provided with pressure transducer, and described pressure transducer utilizes pilot to connect described automatic valve.
It will be apparent that the position of this pipeline is the top of fluid reservoir, must not be less than the liquid level of fluid reservoir.
In this utility model, as the preferred technical scheme of one, described condensate outlet utilizes pipeline to be connected to described fluid reservoir.
A kind of temp. control method, uses high efficiency temperature controlled system described above to carry out, and is transported in the chuck of described reaction vessel by the low-pressure steam that low-pressure steam generating device produces, it is achieved to the described temperature control heating adding heat container.
In this utility model, as the preferred technical scheme of one, comprise the steps:
(1) open fluid reservoir top atmospheric valve, close the drain valve bottom fluid reservoir, in fluid reservoir, supplement easy vaporized medium simultaneously, until the easy vaporized medium in fluid reservoir and housing reaches maximum level (referring to the maximum level height of liquidometer)；
(2) valve of pipeline is opened, make system be in UNICOM's state；
(3) close the connected pipeline of condensate outlet and the atmospheric valve at fluid reservoir top, open vacuum pump, to system evacuation；
(4), after evacuation terminates, the first stop valve, the second stop valve are closed；
(5) steam-out (SO) pipeline is opened, it is passed through external high-temperature steam, and set the low-pressure steam temperature of needs, feedback control according to temperature sensor is automatically adjusted the open degree of proportioning valve, makes the low-pressure steam generating device that enters into of external high-temperature steam, and regulates the inlet of external high-temperature steam, simultaneously, according to the feedback of pressure transducer, control the unlatching of automatic valve, the vacuum in control system；
(6) low-pressure steam is delivered in the chuck of reaction vessel by low-pressure steam transfer pipeline, reaction vessel is heated.
In this utility model, as the preferred technical scheme of one, low-pressure steam condenses the condensed fluid of generation in chuck, is back in described fluid reservoir recycle.
As key one ring of whole system, low-pressure steam generating device is most important.Hereinafter low-pressure steam generating device is described in more detail.
A kind of low-pressure steam generating device, including
Heat exchanger tube core, described heat exchanger tube core has the first entrance being passed through high-temperature medium and the first outlet discharging cooling medium；
And housing, described housing surrounds described heat exchanger tube core, and described housing offers the second entrance, and it is positioned at the low-pressure steam outlet of described case top, described second entrance in order to be passed through easy vaporized medium (easy vaporized medium i.e. under described heat exchanger tube core heat effect produce can evaporate formed low-pressure steam medium), described low-pressure steam outlet connects low-pressure steam transfer pipeline, utilizes at the equipment that the low-pressure steam of generation is transported to need temperature control to heat by low-pressure steam transfer pipeline.
Described easy vaporized medium is the liquid that boiling point is less than high-temperature steam temperature, includes but not limited to water and ethanol.
In this utility model, as the preferred technical scheme of one, described heat exchanger tube core includes straight tubular heat exchanger tube core, spiral winded type heat exchanger tube core.
In this utility model, as the preferred technical scheme of one, described heat exchanger tube core uses spiral winded type heat exchanger tube core, and its heat exchanger tube spiral is arranged, and the hand of spiral between multi-lay winding structure is contrary, higher than straight tubular heat exchanger tube core heat exchange efficiency.
In this utility model, as the preferred technical scheme of one, one end of described first entrance connects with described heat exchanger tube core, and the other end extends to the outside of described housing, and connects steam-out (SO) pipeline, described steam-out (SO) pipeline is in order to guide high-temperature steam, the such as high-temperature steam such as industrial steam, heat recovery steam, enters in heat exchanger tube core by the first entrance, heats easy vaporized medium, then high-temperature steam condensation becomes liquid, flows out from the first outlet.
In this utility model, as the preferred technical scheme of one, described steam-out (SO) pipeline can be provided with filter with selectivity.Filter in order to filter the impurity in external high-temperature steam, but, in most cases, necessary without this.
In this utility model, as the preferred technical scheme of one, described steam-out (SO) pipeline is provided with regulation proportioning valve, it is possible to control high-temperature steam air inflow.
In this utility model, as the preferred technical scheme of one, described low-pressure steam outlet downstream (i.e. low-pressure steam transfer pipeline) is provided with to gather the temperature sensor of low-pressure steam temperature parameter.
In this utility model, as the preferred technical scheme of one, the regulation proportioning valve that described steam-out (SO) pipeline is arranged is for being automatically adjusted proportioning valve, and described temperature sensor utilizes pilot to realize the described control being automatically adjusted proportioning valve, thus realize the real time temperature according to low-pressure steam and control to be automatically adjusted proportioning valve, it is achieved the control to high-temperature steam air inflow.
In this utility model, as the preferred technical scheme of one, described first outlet is arranged at the bottom of described housing, and one end connects with described heat exchanger tube core, and the other end connects discharge conduit.
In this utility model, as the preferred technical scheme of one, described discharge conduit is provided with valve, preferably drain valve, in order to be discharged as early as possible by the on-condensible gases such as condensation water, air and the carbon dioxide in heat exchanger tube core, it is automatically prevented from the leakage of steam to greatest extent simultaneously.
In this utility model, as the preferred technical scheme of one, described second entrance connects to store the fluid reservoir of easy vaporized medium.
In this utility model, as the preferred technical scheme of one, the connection pipeline between described second entrance and described fluid reservoir being provided with circulating pump and filter, described filter is in order to filter the impurity in the easy vaporized medium entering in circulating pump.
In this utility model, as the preferred technical scheme of one, the top of described fluid reservoir connects has atmospheric valve, bottom to be provided with drain valve.
In this utility model, as the preferred technical scheme of one, described housing is provided with detect the first liquidometer of easy vaporized medium storage in described housing.
In this utility model, as the preferred technical scheme of one, described first liquidometer utilizes pilot to connect described circulating pump.When in the first liquidometer shows housing, easy vaporized medium storage is less than certain value, signal is fed back to circulating pump by the first liquidometer, automatically controls the unlatching of circulating pump, to being filled with easy vaporized medium in housing.
In this utility model, as the preferred technical scheme of one, described fluid reservoir is circumscribed with fluid infusion pump, and described fluid infusion pump is in order to supplement easy vaporized medium in described fluid reservoir.
In this utility model, as the preferred technical scheme of one, described fluid reservoir is provided with detect the second liquidometer of easy vaporized medium storage in described fluid reservoir.
In this utility model, as the preferred technical scheme of one, described second liquidometer utilizes pilot to connect described fluid infusion pump.When in fluid reservoir, liquid level is relatively low, the second level gauge feedback signal to fluid infusion pump, control fluid infusion pump and supplement in tank body.
In this utility model, as the preferred technical scheme of one, described second entrance is in the lower section of described heat exchanger tube core.
Certainly, it was respectively provided with liquid gap between described heat exchanger tube core with described housing and between the adjacent heat exchanger tube of heat exchanger tube core.
In this utility model, as a kind of further preferred technical scheme, described housing is provided with the second outlet, and described second outlet is in order to derive unboiled easy vaporized medium.
In this utility model, as a kind of further preferred technical scheme, described second outlet is arranged at the top of described heat exchanger tube core.
In this utility model, as a kind of further preferred technical scheme, described second outlet utilizes overflow pipe tieback to described fluid reservoir, described overflow pipe is provided with overflow pipe stop valve.
In this utility model, as a kind of further preferred technical scheme, described low-pressure steam outlet position is provided with gas-liquid separator.
In this utility model, as a kind of further preferred technical scheme, described gas-liquid separator includes wire mesh demister, cyclone separator.Gas-liquid separator is in order to the liquid in separate vapour, and making the steam gone out from described low-pressure steam outlet is the low-pressure steam that purity is higher, is called for short low-pressure steam.
In this utility model, as the preferred technical scheme of one, low-pressure steam generating device also includes pumped vacuum systems, and described pumped vacuum systems is in order to control the pressure in low-pressure steam transfer pipeline.
In this utility model, as the preferred technical scheme of one, described pumped vacuum systems includes pressurizer and vacuum pump, described vacuum pump and described pressurizer are connected by vacuum lead, the first stop valve it is provided with on described vacuum lead, meanwhile, described vacuum lead utilizes manifold to connect with low-pressure steam transfer pipeline, and is provided with the second stop valve on described manifold.Described vacuum pump passes through vacuum lead to pressurizer and whole system evacuation.
In this utility model, as the preferred technical scheme of one, described pressurizer and described fluid reservoir utilize and are provided with automatic valve on pipeline communication, and described pipeline, described fluid reservoir is provided with pressure transducer, and described pressure transducer utilizes pilot to connect described automatic valve.In running, detect that system pressure is too high by pressure transducer, during vacuum degree deficiency, automatic valve can be controlled and open, by pressure equaliser, internal system be carried out blood pressure lowering.Without repeatedly opening vacuum pump.
After have employed technique scheme, the beneficial effects of the utility model are:
Save industrial steam, once system run all right, it is only necessary to considerably less industrial steam can meet heating requirements, and heat utilization rate is up to more than 95%.
Produce the steam generation self-circulation system that Low Temperature Steam is under negative pressure state, the steam less than 100 DEG C can be produced after being passed through industrial steam, be used as the heat source of low-temp reaction operating mode.And vacuum can be controlled according to different reaction temperature demands, produce the difference of the temperature of steam according to different vacuums, control the temperature of steam, it is achieved the accurate control to reaction temperature.
The efficiency of heating surface is high, cost performance is high.As the Low Temperature Steam of reaction vessel heating medium, the efficiency of heating surface is more than 2 times that water (oily) is bathed, therefore substantially increases production efficiency.Simultaneously compared with water (oily) bath mode of heating, system circulation pump power is little, consumes electric energy few, and operating cost is few.
Energy-efficient.Vaporizer in system uses the design of spiral winding pipe type structure, and efficiency is high, and the vaporizer of relatively traditional structure can save industrial steam 5%-10%.
Temperature control is accurate, stable.Employing control system automatically controls, real-time monitoring system temperature, and control accuracy, up to ± 1 DEG C, is more suitable for the operating mode of heat sensitive material.
System run all right, reliable.Steam generation self-circulation system is internal uses pure water (ethanol etc.) as working medium, can select different media according to different temperature control needs.
Low-pressure steam self-circulation system, steam generator uses unique spiral winding structure, inside sets gas-liquid separation device, it is ensured that generation for purity higher steam, thus ensure the efficiency of heating surface, reduce the corrosion that equipment is caused by the liquid carried secretly in steam.
By pressure equaliser, maintain stablizing of system vacuum, it is not necessary to repeatedly open vacuum pump, reduce system operation cost, reduce the loss to vacuum pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of low-pressure steam generating device；
Fig. 2 is the equipment flowsheet schematic diagram of high efficiency temperature controlled system；
nullIn figure: heat exchanger tube core 1，Housing 2，First entrance 3，First outlet 4，Second entrance 5，Low-pressure steam outlet 6，Steam-out (SO) pipeline 7，Temperature sensor 8，It is automatically adjusted proportioning valve 9，Discharge conduit 10，First drain valve 11，Fluid reservoir 12，Circulating pump 13，First filter 14，First liquidometer 15，Fluid infusion pump 16，Second liquidometer 17，Middle control cabinet 18，Second drain valve 19，Second outlet 20，Overflow pipe 21，Overflow pipe stop valve 22，Gas-liquid separator 23，Pressurizer 24，Vacuum pump 25，First stop valve 26，Second stop valve 27，Vacuum lead 28，Automatic valve 29，Pressure transducer 30，Reaction vessel 31，Chuck 32，Low-pressure steam inlet 33，Condensate outlet 34，Low-pressure steam transfer pipeline 35，Second filter 36，Condensed fluid back-water valve (BWV) 37，Atmospheric valve 38，Pressure vacuum gauge 39，Drain valve 40，Intake valve 41.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further illustrated.But the purposes of these exemplary embodiments and purpose are only used for enumerating this utility model, not real protection scope of the present utility model are constituted any type of any restriction, more non-protection domain of the present utility model are confined to this.
Embodiment one
The present embodiment is the specific embodiment of low-pressure steam generating device.
A kind of low-pressure steam generating device, including heat exchanger tube core 1 and housing 2, described heat exchanger tube core 1 has the first entrance 3 being passed through high-temperature medium and the first outlet 4 discharging cooling medium；Described housing 2 surrounds described heat exchanger tube core 1, and described housing 2 offers the second entrance 5, and it being positioned at the low-pressure steam outlet 6 of described case top, described second entrance 5 is in order to be passed through easy vaporized medium (easy vaporized medium i.e. produces to evaporate under described heat exchanger tube core heat effect and forms the medium of low-pressure steam).Described easy vaporized medium is the liquid that boiling point is less than high-temperature steam temperature, includes but not limited to water and ethanol.By high temperature being passed through in heat exchanger tube core 1, realize the easy vaporized medium in housing 2 is heated, easy vaporized medium can produce low-pressure steam, thus save industrial steam, once system run all right, only needing considerably less industrial steam can meet heating requirements, heat utilization rate is up to more than 95%；And the efficiency of heating surface is high, cost performance high.As the Low Temperature Steam of reaction vessel heating medium, the efficiency of heating surface is more than 2 times that water (oily) is bathed, therefore substantially increases production efficiency.Simultaneously compared with water (oily) bath mode of heating, system circulation pump power is little, consumes electric energy few, and operating cost is few.Produce the steam generation self-circulation system that Low Temperature Steam is under negative pressure state, the steam less than 100 DEG C can be produced after being passed through industrial steam, be used as the heat source of low-temp reaction operating mode.And vacuum can be controlled according to different reaction temperature demands, produce the difference of the temperature of steam according to different vacuums, control the temperature of steam, it is achieved the accurate control to reaction temperature.
Heat exchanger tube core 1 includes straight tubular heat exchanger tube core, spiral winded type heat exchanger tube core.In the present embodiment, inventor have selected spiral winded type heat exchanger tube core, and spiral winded type heat exchanger tube core has heat-exchanging tube bundle, and heat-exchanging tube bundle includes the multilamellar tube bank layer being set in together, the described each layer of tube bank layer is uniform, and the hand of spiral of adjacent described tube bank layer is contrary.It is, heat exchanger tube spiral is arranged, the hand of spiral between multi-lay winding structure is contrary, higher than straight tubular heat exchanger tube core heat exchange efficiency.Constituting low-pressure steam self-circulation system, heat exchanger tube core uses unique spiral winding structure, inside sets gas-liquid separation device, it is ensured that generation for purity higher steam, thus ensure the efficiency of heating surface, reduce the corrosion that equipment is caused by the liquid carried secretly in steam.And it is energy-efficient.Vaporizer in system uses the design of spiral winding pipe type structure, and efficiency is high, and the vaporizer of relatively traditional structure can save industrial steam 5%-10%.
In order to realize high-temperature steam smooth, seal, be passed through efficiently, to make full use of heat.One end of described first entrance 3 connects with described heat exchanger tube core 1, the other end extends to the outside of described housing 2, and connect steam-out (SO) pipeline 7, described steam-out (SO) pipeline 7 is in order to guide high-temperature steam, the such as high-temperature steam such as industrial steam, heat recovery steam, is entered in heat exchanger tube core 1 by the first entrance 3, heats easy vaporized medium, then high-temperature steam condensation becomes liquid, from the first outlet 4 outflow.Described steam-out (SO) pipeline is provided with filter (not shown).Filter is in order to filter the impurity in steam-out (SO).
Described steam-out (SO) pipeline 7 is provided with regulation proportioning valve, it is possible to controlling high-temperature steam air inflow, this regulation proportioning valve can manually adjust, it is also possible to realize automatically adjusting.In order to realize being precisely controlled of low-pressure steam temperature, inventor is provided with to gather the temperature sensor 8 of low-pressure steam temperature parameter in described low-pressure steam outlet downstream.Simultaneously, the regulation proportioning valve that described steam-out (SO) pipeline is arranged is for being automatically adjusted proportioning valve 9, and described temperature sensor 8 utilizes pilot to realize the described control being automatically adjusted proportioning valve 9, thus realize the real time temperature according to low-pressure steam and control to be automatically adjusted proportioning valve 9, it is achieved the control to high-temperature steam air inflow.It will be apparent that this device can arrange middle control cabinet 18 realizes adjusting function to facilitate, it is greatly improved automaticity.Accurate, the stabilisation systems based on above temperature control, uses control system to automatically control, and real-time monitoring system temperature, control accuracy, up to ± 1 DEG C, is more suitable for the operating mode of heat sensitive material.
Hot industry steam, after the heat exchange through heat exchanger tube core 1, can condense, and the condensed fluid of generation needs to discharge, to realize the operation of serialization smoothly.Therefore, in the present embodiment, described first outlet 4 is arranged at the bottom of described housing 2, and one end connects with described heat exchanger tube core 1, and the other end connects discharge conduit 10.It is provided with the first drain valve 11 on described discharge conduit, in order to be discharged as early as possible by the on-condensible gases such as condensation water, air and the carbon dioxide in heat exchanger tube core, is automatically prevented from the leakage of steam to greatest extent simultaneously.
Along with the generation of low-pressure steam, the easy vaporized medium in housing 2 needs to be continuously replenished.Described second entrance 5 connects to store the fluid reservoir 12 of easy vaporized medium.Being provided with circulating pump 13 and the first filter 14 on connection pipeline between described second entrance 5 and described fluid reservoir 12, described first filter 14 is in order to filter the impurity in the easy vaporized medium entered in circulating pump 13.Certainly, fluid reservoir 12 is also required to consider to supplement wherein easy vaporized medium, importing for the ease of easy vaporized medium, connect at the top of described fluid reservoir 12 and have atmospheric valve 38, the type of easy vaporized medium is unsatisfactory for requirement or impurity is more, when needing to change, it is possible to use the easy vaporized medium of residual in fluid reservoir 12 is discharged by the drain valve 40 that bottom is installed.Therefore, system run all right, reliable.Steam generation self-circulation system is internal uses pure water (ethanol etc.) as working medium, can select different media according to different temperature control needs.
Inventor, in order to ensure to store up the storage of easy vaporized medium in housing 2, described housing 2 is provided with detect the first liquidometer 15 of easy vaporized medium storage in described housing 2, and described first liquidometer 15 utilizes pilot to connect described circulating pump 13.When in the first liquidometer 15 shows housing, easy vaporized medium storage is less than certain value, signal is fed back to circulating pump 13, automatically controls the unlatching of circulating pump 13 by the first liquidometer 15, to being filled with easy vaporized medium in housing.Same, described fluid reservoir 12 is circumscribed with fluid infusion pump 16, and described fluid infusion pump 16 is in order to supplement easy vaporized medium in described fluid reservoir 12.It is provided with to detect the second liquidometer 17 of easy vaporized medium storage in described fluid reservoir 12 on described fluid reservoir 12.Described second liquidometer 17 utilizes pilot to connect described fluid infusion pump 16.When in fluid reservoir 12, liquid level is relatively low, the second liquidometer 17 feedback signal to fluid infusion pump 16, control fluid infusion pump 16 and supplement in tank body.Obviously, above electronic monitoring element also can be controlled in cabinet 18 in accessing and carry out centralization control.
In order to improve gasification rate and the efficiency of easy vaporized medium in housing as far as possible, described second entrance 5 is in the lower section of described heat exchanger tube core 1, and easy vaporized medium is filled with in housing 2 from below to up.Between heat exchanger tube core 1 with the inwall of described housing 2, between adjacent in heat exchanger tube core 1 heat exchanger tube, there is liquid gap.This existence crossing liquid gap not only enables easy vaporized medium be full of housing, it is often more important that, it is possible to make easy vaporized medium surround heat exchanger tube core, improve the heat exchange area of easy vaporized medium and heat exchanger tube core to greatest extent.
Certainly, easy vaporized medium can not be completely filled with in housing 2, need the cavity that indwelling is certain, in order to stockpile the low-pressure steam of generation, therefore, inventor is provided with the second outlet 20 at described housing, and described second outlet 20 derivation is in order to derive unboiled easy vaporized medium in time, and described second outlet 20 is arranged at the top of described heat exchanger tube core 1.Described second outlet 20 utilizes overflow pipe 21 tieback to described fluid reservoir, and described overflow pipe is provided with overflow pipe stop valve 22.
The low-pressure steam the produced low-pressure steam outlet from housing 2 top is derived and is used, and is provided with gas-liquid separator 23 in low-pressure steam outlet 6 position.Described gas-liquid separator 23 includes wire mesh demister, cyclone separator.Gas-liquid separator 23 is in order to the liquid in separate vapour, and making the steam gone out from described low-pressure steam outlet 6 is the low-pressure steam that purity is higher, and this low-pressure steam is derived when using, and owing to liquid content is low, is therefore not easy to result in blockage gas pipeline.
In order to ensure low-pressure steam use during safety, it is desirable, therefore, to assure that the pressure of low-pressure steam must not be too high, therefore, low-pressure steam generating device also includes pumped vacuum systems, and described pumped vacuum systems is in order to control the pressure in low-pressure steam transfer pipeline.Described pumped vacuum systems includes pressurizer 24 and vacuum pump 25, described vacuum pump 25 and described pressurizer 24 are connected by vacuum lead 28, the first stop valve 26 it is provided with on described vacuum lead, simultaneously, described vacuum lead 28 utilizes manifold to connect with low-pressure steam transfer pipeline, and is provided with the second stop valve 27 on described manifold.Described vacuum pump 25 passes through vacuum lead 28 to pressurizer 24 and whole system evacuation.Described pressurizer 24 utilizes with described fluid reservoir 12 and is provided with automatic valve 29 on pipeline communication, and described pipeline, and described fluid reservoir 12 is provided with pressure transducer 30, and described pressure transducer 30 utilizes pilot to connect described automatic valve 29.In running, detect that system pressure is too high by pressure transducer 30, during vacuum degree deficiency, automatic valve 29 can be controlled and open, by pressure equaliser, internal system be carried out blood pressure lowering.Without repeatedly opening vacuum pump 25.By pressure equaliser, maintain stablizing of system vacuum, it is not necessary to repeatedly open vacuum pump 25, reduce system operation cost, reduce the loss to vacuum pump 25.Meanwhile, by accurately controlling vacuum, it is also possible to the heats of low-pressure steam to be realized the adjustment of adaptation.It is thus possible to according to different reaction temperature demands, control vacuum, produce the difference of the temperature of steam according to different vacuums, control the temperature of steam, it is achieved the accurate control to reaction temperature.
Embodiment two
The present embodiment is the specific embodiment of high efficiency temperature controlled system.In high efficiency temperature controlled system, have employed low-pressure steam generating device.
There is the high efficiency temperature controlled system of this device, including low-pressure steam generating device as above and at least one reaction vessel 31, described reaction vessel 31 is provided with chuck 32, described chuck 32 has low-pressure steam inlet 33 and condensate outlet 34, described low-pressure steam inlet 33 utilizes low-pressure steam transfer pipeline 35 to connect with the low-pressure steam outlet 6 of described low-pressure steam generating device, the low-pressure steam that described low-pressure steam generating device produces enters in described chuck 32, heats described reaction vessel 31.This device efficiency of heating surface is high, cost performance is high.As the Low Temperature Steam of reaction vessel heating medium, the efficiency of heating surface is more than 2 times that water (oily) is bathed, therefore substantially increases production efficiency.Simultaneously compared with water (oily) bath mode of heating, system circulation pump power is little, consumes electric energy few, and operating cost is few.
In the present embodiment, reaction vessel 31 uses three, and its chuck 32 is all connected with low-pressure steam transfer pipeline 35.It is provided with on described low-pressure steam transfer pipeline 35 and described reaction vessel 31 intake valve 41 one to one.
As described in relation to the first embodiment, low-pressure steam is after heating reaction vessel, it may occur that condensation, and the liquid of condensation needs to discharge.Therefore, this utility model chuck 32 devises condensate outlet 34, and utilizes pipeline to be connected to described fluid reservoir 12 described condensate outlet 34.Low-pressure steam after heat exchange is condensed into liquid, and enter fluid reservoir 12 by condensate outlet 34 and pipeline thereof, the second drain valve the 19, second filter 36 and condensed fluid back-water valve (BWV) 37 it is provided with between described condensate outlet 34 and described fluid reservoir 12, which achieves recycling of easy vaporized medium, the fluid infusion pump 16 mentioned in embodiment one is only when easy vaporized medium consumes excessive, it is then turned on additionally supplementing, farthest reduces cost.It addition, described condensate outlet 34 is arranged at the bottom of described chuck 32, it is simple to condensed fluid realizes recycling in the way of gravity flow, save the energy.
Meanwhile, described low-pressure steam transfer pipeline 35 is provided with pressure vacuum gauge 39.Pressure vacuum gauge 39 is in order to observe pipeline low pressure steam pressure, and whether opens the vacuum pump 25 being connected with vacuum-pumping pipeline according to vacuum.And above parameter can also be controlled cabinet and carry out centralized Control, monitoring in accessing.
Embodiment three
Present embodiments provide a kind of temp. control method, this temp. control method uses the high efficiency temperature controlled system such as embodiment two to carry out, the low-pressure steam produced by low-pressure steam generating device enters in the chuck of described reaction vessel by low-pressure steam transfer pipeline, it is achieved to the described temperature control heating adding heat container.
Described method comprises the steps:
(1) open fluid reservoir 12 top atmospheric valve 38, close drain valve 40, open fluid infusion pump 16 and circulating pump 13 simultaneously, in fluid reservoir 12, supplement easy vaporized medium, until the easy vaporized medium in fluid reservoir 12 and housing 2 reaches maximum level；
(2) valve before and after the second drain valve 19 of reaction vessel, the intake valve 41 of low-pressure steam transfer pipeline, the overflow pipe stop valve 22 of described housing and circulating pump 13 is opened, make system be in UNICOM's state；
(3) close condensed fluid back-water valve (BWV) 37 and the atmospheric valve 38 at fluid reservoir top, open vacuum pump 25, to system evacuation；
(4), after evacuation terminates, first stop valve the 26, second stop valve 27 is closed；
(5) steam-out (SO) pipeline 7 is opened, it is passed through hot industry steam, and set the low-pressure steam temperature of needs, feedback control according to temperature sensor 8 is automatically adjusted the open degree of proportioning valve 9, make external high-temperature steam enters into low-pressure steam generating device, and regulate the inlet of external high-temperature steam, simultaneously, feedback according to pressure transducer 30, control the unlatching of automatic valve 29, vacuum in control system, thus the temperature realizing the low-pressure steam to low-pressure steam outlet output is controlled so that it is reach design temperature；
(6) low-pressure steam is delivered in the chuck 32 of reaction vessel 31 by low-pressure steam transfer pipeline 35, reaction vessel 31 is heated, in this step, low-pressure steam condenses the condensed fluid of generation in chuck 32, is back in described fluid reservoir 12 recycle.
Should be appreciated that the purposes of these embodiments is merely to illustrate this utility model and is not intended to limit protection domain of the present utility model.In addition; it is also contemplated that; after having read technology contents of the present utility model, this utility model can be made various change, amendment and/or modification, within all these equivalent form of value falls within the protection domain that the application appended claims is limited equally by those skilled in the art.
Claims (10)
- The most high efficiency temperature controlled system, including low-pressure steam generating device and at least one reaction vessel, described reaction Container is provided with chuck, and described chuck has low-pressure steam inlet and condensate outlet, and described low-pressure steam enters Mouth utilizes low-pressure steam transfer pipeline to connect with the low-pressure steam outlet of described low-pressure steam generating device, described The low-pressure steam that low-pressure steam generating device produces enters in described chuck, and described reaction vessel is carried out temperature control Heating.
- High efficiency temperature controlled system the most as claimed in claim 1, it is characterised in that: described low-pressure steam fills Put and includeHeat exchanger tube core, described heat exchanger tube core has the first entrance and the discharge condensation being passed through high-temperature medium First outlet of medium；And housing, described housing surrounds described heat exchanger tube core, and described housing offers to be passed through easy vapour Second entrance of change medium, and it is positioned at the low-pressure steam outlet of described case top, described low-pressure steam goes out Mouth connects low-pressure steam transfer pipeline.
- High efficiency temperature controlled system the most as claimed in claim 2, it is characterised in that: described heat exchanger tube core uses Spiral winded type heat exchanger tube core.
- High efficiency temperature controlled system the most as claimed in claim 2, it is characterised in that: described low-pressure steam conveying pipe Road is provided with temperature sensor, and the steam-out (SO) pipeline being connected with described first entrance arranges and is automatically adjusted ratio Valve, and described temperature sensor utilize pilot realize to the described control being automatically adjusted proportioning valve.
- High efficiency temperature controlled system the most as claimed in claim 2, it is characterised in that: described second entrance connects to be had Fluid reservoir, described fluid reservoir is in order to carry easy vaporized medium in described housing.
- High efficiency temperature controlled system the most as claimed in claim 5, it is characterised in that: described second entrance is with described Being provided with circulating pump between fluid reservoir, described housing is provided with liquidometer, described liquidometer utilizes control to lead Line connects described circulating pump.
- 7. the high efficiency temperature controlled system as described in claim 5 or 6, it is characterised in that: described low-pressure steam is sent out Generating apparatus also includes pumped vacuum systems, and described pumped vacuum systems is in order to control the pressure in low-pressure steam transfer pipeline Power.
- High efficiency temperature controlled system the most as claimed in claim 7, it is characterised in that: described pumped vacuum systems includes Pressurizer and vacuum pump, described vacuum pump and described pressurizer are connected by vacuum lead, institute Stating and be provided with the first stop valve on vacuum lead, meanwhile, described vacuum lead utilizes manifold to steam with low pressure Vapour transfer pipeline connects, and is provided with the second stop valve on described manifold.
- High efficiency temperature controlled system the most as claimed in claim 8, it is characterised in that: described pressurizer and institute Stating fluid reservoir to utilize and be provided with automatic valve on pipeline communication, and described pipeline, described fluid reservoir is provided with pressure Sensor, described pressure transducer utilizes pilot to connect described automatic valve.
- High efficiency temperature controlled system the most as claimed in claim 5, it is characterised in that: described condensate outlet profit It is connected to described fluid reservoir with pipeline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330946.9U CN205507572U (en) | 2016-04-19 | 2016-04-19 | High -efficient temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620330946.9U CN205507572U (en) | 2016-04-19 | 2016-04-19 | High -efficient temperature control system |
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| CN205507572U true CN205507572U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892521A (en) * | 2016-04-19 | 2016-08-24 | 山东豪迈机械制造有限公司 | Efficient temperature control system and temperature control method thereof |
| CN108827751A (en) * | 2018-09-04 | 2018-11-16 | 北京烨晶科技有限公司 | It is a kind of for suspension preparation, conveying and the system of reaction and its application method |
-
2016
- 2016-04-19 CN CN201620330946.9U patent/CN205507572U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892521A (en) * | 2016-04-19 | 2016-08-24 | 山东豪迈机械制造有限公司 | Efficient temperature control system and temperature control method thereof |
| CN105892521B (en) * | 2016-04-19 | 2018-06-19 | 山东豪迈机械制造有限公司 | High efficiency temperature controlled system and temperature control method |
| CN108827751A (en) * | 2018-09-04 | 2018-11-16 | 北京烨晶科技有限公司 | It is a kind of for suspension preparation, conveying and the system of reaction and its application method |
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