CN207334715U - Steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems - Google Patents
Steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems Download PDFInfo
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- CN207334715U CN207334715U CN201721212694.0U CN201721212694U CN207334715U CN 207334715 U CN207334715 U CN 207334715U CN 201721212694 U CN201721212694 U CN 201721212694U CN 207334715 U CN207334715 U CN 207334715U
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Abstract
It the utility model is related to the steam superheating device of a kind of steam light wave overheat mechanism including at least a set of steam light wave overheat mechanism and be configured with the refining pumped vacuum systems of the steam superheating device, steam light wave overheat mechanism includes steam heat exchanging tube, the steam heat exchanging tube has steam inlet and steam (vapor) outlet, hollow shell is set with outside the steam heat exchanging tube, the outer wall of the inner wall of the shell and the steam heat exchanging tube, which encloses, sets the heat exchanging chamber to form closing, in being disposed with light wave generating unit in the heat exchanging chamber.Steam light wave provided by the utility model overheats mechanism, carries out indirectly heat to saturated vapor using light wave, light wave generating unit can produce high temperature high fever rapidly, the efficiency of heating surface can be effectively improved, its cooling velocity is also fast, it can be achieved that accurate temperature controlling, so that flexible modulation steam superheat.
Description
Technical field
It the utility model is related to a kind of steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems.
Background technology
Superheated steam is used widely in occasions such as steam-to-vacuum pump, steam-electric power, steam dryings.
Existing steam superheating technology mainly has：Electric-heating technology, gas fired-boiler heating technique, fume waste heat heating technique,
Storage heater is micro- to cross thermal technology, steam hybrid technology etc..Above-mentioned steam superheating technology is widely used, but still suffers from certain lack
Point, as electric-heating technology heating at initial stage is slow, temperature adjustment low-response；Gas fired-boiler heating technique, fume waste heat heating technique by
Combustion gas/flue gas supply influences, and heating accuracy is not high, and equipment is also more complicated；The micro- degree of superheat unobvious for crossing thermal technology of storage heater；
Steam hybrid technology needs the vapour source of external high temperature high pressure.
Utility model content
The utility model embodiment is related to a kind of steam light wave overheat mechanism, steam superheating device and refining and vacuumizes and be
System, can at least solve the segmental defect of the prior art.
The utility model embodiment is related to a kind of steam light wave overheat mechanism, including steam heat exchanging tube, the steam heat-exchanging
Pipe has steam inlet and a steam (vapor) outlet, and the steam heat exchanging tube is set with hollow shell outside, the inner wall of the shell with it is described
The outer wall of steam heat exchanging tube, which encloses, sets the heat exchanging chamber to form closing, in being disposed with light wave generating unit in the heat exchanging chamber.
As one of embodiment, selectivity is equipped with the outer wall for the steam heat exchanging tube tube body being located in the shell
Absorber coatings.
As one of embodiment, reflecting layer is equipped with the inner wall of the shell.
As one of embodiment, the reflecting layer is silver-plated steel plate or polishing aluminium sheet.
As one of embodiment, be equipped with less than the steam heat exchanging tube tube body being located in the shell inner fin or
Helical baffles.
As one of embodiment, the light wave generating unit includes axially being sequentially arranged at least along the steam heat exchanging tube
One group of light wave generator group, light wave generator group described in every group include being sequentially arranged in the shell around the steam heat exchanging tube
Multiple light wave generators on inner wall.
As one of embodiment, the steam heat exchanging tube is copper pipe, alloy pipe or stainless steel tube.
As one of embodiment, the shell lays for the shell made of thermal insulation material or on the inner wall of the shell
There is insulating layer.
The utility model embodiment is related to a kind of steam superheating device, including at least a set of steam light wave mistake as described above
Heat engine structure；When there are more sets in the steam light wave overheat mechanism, each steam heat exchanging tube serial or parallel connection.
The utility model embodiment is related to a kind of refining pumped vacuum systems, including steam jet pump component and superheated steam supply
Pipeline is answered, the steam jet pump component includes at least level-one steam jet pump being sequentially connected in series along pumping direction, each steaming
Vapour jet pump is connected with the superheated steam supply line, the superheated steam supply line include saturated vapor for pipe and with
The saturated vapor supplies the steam superheating device of pipe concatenation, and the steam superheating device is filled using steam superheating as described above
Put.
The utility model embodiment at least has the advantages that：
(1) saturated vapor enters steam heat exchanging tube, and the light wave generating unit in heat exchanging chamber produces light wave, and light wave is changed by steam
Heat pipe absorbs and is converted into the saturated vapor that thermal energy passes to circulation in it so that saturated vapor is heated to be superheated steam.This
The steam light wave overheat mechanism that embodiment provides, carries out indirectly heat, light wave generating unit can using light wave to saturated vapor
It is rapid to produce high temperature high fever, the efficiency of heating surface can be effectively improved, its cooling velocity is also fast, it can be achieved that accurate temperature controlling, so as to flexibly adjust
Save steam superheat.
(2) since the steam jet pump in refining pumped vacuum systems generally uses micro- superheated steam, for superheated steam
Degree of superheat control accuracy requirement is higher, and the steam superheating device that the utility model uses, can preferably solve above-mentioned technology and ask
Topic, realizes the flexible modulation to steam superheat.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram that the steam light wave that the utility model embodiment provides overheats mechanism；
Fig. 2 is the sectional side elevation of Fig. 1.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one
Such as Fig. 1-Fig. 2, the utility model embodiment provides a kind of steam light wave overheat mechanism, including steam heat exchanging tube 3, institute
Stating steam heat exchanging tube 3 has steam inlet and steam (vapor) outlet, and hollow shell 1, the shell are set with outside the steam heat exchanging tube 3
The outer wall of 1 inner wall and the steam heat exchanging tube 3, which encloses, sets the heat exchanging chamber to form closing, is sent out in being disposed with light wave in the heat exchanging chamber
Raw unit.
Saturated vapor enters steam heat exchanging tube 3, and the light wave generating unit in heat exchanging chamber produces light wave, and light wave is by steam heat-exchanging
Pipe 3 absorbs and is converted into the saturated vapor that thermal energy passes to circulation in it so that saturated vapor is heated to be superheated steam.This reality
The steam light wave overheat mechanism of example offer is provided, indirectly heat is carried out to saturated vapor using light wave, light wave generating unit can be fast
Speed produces high temperature high fever, can effectively improve the efficiency of heating surface, its cooling velocity is also fast, it can be achieved that accurate temperature controlling, so that flexible modulation
Steam superheat.
Above-mentioned shell 1 is the shell 1 of closing, and light wave is limited in heat exchanging chamber, can prevent light wave from leaking to cause energy
Loss.The shell 1 is preferably to have the function of adiabatic heat-insulation, can be made of the less thermal insulation material of thermal conductivity factor, alternatively, in this
Insulating layer is laid with the inner wall of shell 1.Further, which can be by the less combination of a variety of different thermal conductivity factors
Material is made.
It is further preferred that the inner wall in the shell 1 is equipped with reflecting layer, makes diverging or reflex to 1 inner wall of shell
Light wave reflected, the utilization rate and the efficiency of heating surface of light wave can be improved.The reflecting layer can be ag-plated steel plate or polishing
Aluminium sheet.
Preferably one of embodiment, sets on the outer wall of 3 tube body of the steam heat exchanging tube in the shell 1
Selective absorber coatings, the selection absorber coatings can absorb visible ray and infrared ray in light wave, and it is to have that it, which is preferably,
Higher light wave absorptance and the coating of relatively low light wave reflection ratio, available coating for selective absorption material include metal (gold,
Silver, chromium, molybdenum, copper, nickel, titanium etc. or above-mentioned alloy), metal oxide, sulfide, nitride, metal-ceramic composite material
Deng herein those skilled in the art can make choice according to actual needs, specifically no longer be described in detail one by one.Above-mentioned selection is set
Property absorber coatings, can effectively improve absorptivity of the steam heat exchanging tube 3 to light wave, so as to improve the efficiency of heating surface.
It is further preferred that above-mentioned steam heat exchanging tube 3 is preferably to be made of the good metal material of thermal conductivity, such as copper
Tubulation, alloy pipe, stainless steel tube or Fine Steel Casting iron pipe etc., can improve heat transfer effect and efficiency with saturated vapor, into one
Step improves the efficiency of heating surface.
Preferably one of embodiment, is equipped with to being less than in 3 tube body of the steam heat exchanging tube being located in the shell 1
Inner fin or helical baffles, can improve heat transfer effect and efficiency with saturated vapor, further improve the efficiency of heating surface.
Continue to optimize above-mentioned steam light wave overheat mechanism, such as Fig. 1 and Fig. 2, the light wave generating unit is included along the steaming
At least one set of light wave generator group that vapour heat exchanger tube 3 is axially sequentially arranged, light wave generator group described in every group are included around described
Steam heat exchanging tube 3 is sequentially arranged in multiple light wave generators 2 on 1 inner wall of shell.It can be controlled according to the actual degree of superheat
Needing and the light wave generator group of respective numbers is set, each light wave generator group arranged for interval, can be uniform intervals arrangement,
Can be gradually reduced along steam circulating direction spacing.Above-mentioned shell 1 is preferably to use cylindrical tubular structure, every group of light wave
Each light wave generator 2 of generator group is circular layout along the circumferential direction of 1 inner wall of shell, is preferably uniform intervals arrangement.This reality
Apply in example, one group of light wave generator group is disposed with heat exchanging chamber, the light wave that every group of light wave generator group includes no less than three is sent out
Raw device 2.Above-mentioned light wave generator 2 can use conventional light wave occurrence of equipment, and such as halogen lamp, can be bought, specifically by market
Details are not described herein again for structure.
Embodiment two
The utility model embodiment is related to a kind of steam superheating device, including at least a set of steam light wave overheat mechanism, respectively
Steam light wave overheat mechanism is both preferably the steam light wave overheat mechanism provided using above-described embodiment one；Wherein, the steaming
When there are more sets in vapour light wave overheat mechanism, each steam light wave overheat mechanism serial or parallel connection uses, namely each steam heat exchanging tube 3
Serial or parallel connection, during series connection, can obtain the superheated steam of the higher degree of superheat, when in parallel, can obtain the superheated steam of high yield.
, can be with addition, according to needs of production, or for the situation that existing steam superheating process is transformed
By the way of existing steam superheating equipment and above-mentioned steam light wave overheat mechanism are used in combination, such as：
The steam superheating device includes a set of above-mentioned steam light wave overheat mechanism and a set of steam electric heater, steam electricity
Heater and steam light wave overheat mechanism concatenates, wherein, be preferably steam electric heater steam (vapor) outlet and the steam light wave
Overheat the steam inlet connection of the steam heat exchanging tube 3 in mechanism.
Embodiment three
The utility model embodiment is related to a kind of refining pumped vacuum systems, including steam jet pump component and superheated steam supply
Pipeline is answered, the steam jet pump component includes at least level-one steam jet pump being sequentially connected in series along pumping direction, each steaming
Vapour jet pump is connected with the superheated steam supply line, the superheated steam supply line include saturated vapor for pipe and with
The saturated vapor supplies the steam superheating device of pipe concatenation, and the steam superheating device is preferably to be carried using above-described embodiment two
The steam superheating device of confession.
Selection for the vacuum pump of pumped vacuum systems provided in this embodiment, can use commonly used in the prior art true
Empty pumping system, suitable for vacuum refining systems such as RH, VOD, VD；By taking RH pumped vacuum systems as an example, multistage steam can be used to spray
The full Steam Ejector System of pump, or the vacuum pump system using multistage steam jet pump+water ring pump.
Wherein, to ensure the supply of saturated vapor, preferably using more set steam light wave overheat mechanisms parallel operation
Structure.
Since the steam jet pump in refining pumped vacuum systems generally uses micro- superheated steam (10~20 DEG C), for overheat
The degree of superheat control accuracy requirement of steam is higher, and the present embodiment uses above-mentioned steam superheating device, can preferably solve
Technical problem is stated, realizes the flexible modulation to steam superheat.For saturated vapor yield it is larger and/or use above-mentioned steam mistake
When thermal realizes that the cost of the accurate control degree of superheat is higher, steam hybrid technology can be used, specifically：
Above-mentioned superheated steam supply line includes steam mixer, which is connected with micro- superheated steam outlet
Pipe, superheated steam are connected with each steam jet pump respectively for pipe and the first saturated vapor for pipe, micro- superheated steam for pipe, above-mentioned mistake
Hot steam is connected with the second saturated vapor for pipe and above-mentioned steam superheating device for pipe, and the second saturated vapor is for pipe, steam mistake
Thermal is sequentially connected in series with the superheated steam for pipe, wherein, which is preferably using more set steam light wave overheats
The structure of mechanisms in series work, the first above-mentioned saturated vapor connect for pipe with the second saturated vapor for Guan Junyu saturated vapors source
Connect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of steam light wave overheats mechanism, it is characterised in that：Including steam heat exchanging tube, the steam heat exchanging tube enters with steam
Mouth and steam (vapor) outlet, the steam heat exchanging tube are set with hollow shell, the inner wall of the shell and the steam heat exchanging tube outside
Outer wall, which encloses, sets the heat exchanging chamber to form closing, in being disposed with light wave generating unit in the heat exchanging chamber.
2. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：In the steam being located in the shell
The outer wall of heat exchanger tube tube body is equipped with coating for selective absorption.
3. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：Reflection is equipped with the inner wall of the shell
Layer.
4. steam light wave as claimed in claim 3 overheats mechanism, it is characterised in that：The reflecting layer is silver-plated steel plate or polishing
Aluminium sheet.
5. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：It is extremely described less than being located in the shell
Inner fin or helical baffles are equipped with steam heat exchanging tube tube body.
6. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：The light wave generating unit is included along described
At least one set of light wave generator group that steam heat exchanging tube is axially sequentially arranged, light wave generator group described in every group are included around described
Steam heat exchanging tube is sequentially arranged in multiple light wave generators on the outer casing inner wall.
7. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：The steam heat exchanging tube is copper pipe, closes
Golden steel pipe or stainless steel tube.
8. steam light wave as claimed in claim 1 overheats mechanism, it is characterised in that：The shell is made of thermal insulation material
Shell or in being laid with insulating layer on the inner wall of the shell.
A kind of 9. steam superheating device, it is characterised in that：Including at least a set of such as steaming described in any item of the claim 1 to 8
Vapour light wave overheats mechanism；When there are more sets in the steam light wave overheat mechanism, each steam heat exchanging tube serial or parallel connection.
10. one kind refining pumped vacuum systems, including steam jet pump component and superheated steam supply line, the steam jet pump
Component includes at least level-one steam jet pump being sequentially connected in series along pumping direction, and each steam jet pump is steamed with the overheat
Vapour supply line connects, it is characterised in that：The superheated steam supply line includes saturated vapor and is steamed for pipe and with the saturation
Vapour supplies the steam superheating device of pipe concatenation, and the steam superheating device uses steam superheating device as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212694.0U CN207334715U (en) | 2017-09-21 | 2017-09-21 | Steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721212694.0U CN207334715U (en) | 2017-09-21 | 2017-09-21 | Steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207334715U true CN207334715U (en) | 2018-05-08 |
Family
ID=62369266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721212694.0U Active CN207334715U (en) | 2017-09-21 | 2017-09-21 | Steam light wave overheat mechanism, steam superheating device and refining pumped vacuum systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207334715U (en) |
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2017
- 2017-09-21 CN CN201721212694.0U patent/CN207334715U/en active Active
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