CN104061673A - Fluid preheating device for serpentine pipe - Google Patents
Fluid preheating device for serpentine pipe Download PDFInfo
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- CN104061673A CN104061673A CN201410269499.6A CN201410269499A CN104061673A CN 104061673 A CN104061673 A CN 104061673A CN 201410269499 A CN201410269499 A CN 201410269499A CN 104061673 A CN104061673 A CN 104061673A
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- economizer bank
- preheating device
- fluid
- described economizer
- pipe
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Abstract
The invention discloses a fluid preheating device for a serpentine pipe. The fluid preheating device for the serpentine pipe comprises an upper water collection tank, a lower water tank collection and a plurality of preheating pipes which are abreast arranged, wherein each preheating pipe comprises straight pipe sections and bent pipe sections, the straight pipe sections and the bent pipe sections are connected to form a serpentine bent structure; the straight pipe sections are obliquely arranged relative to a horizontal plane; the upper ends of the preheating pipes are the highest points and are communicated with the upper water collection tank, and the lower ends of the preheating pipes are the lowest points and are communicated with the lower water collection tank; high-side voltage is applied to the middle parts of the preheating pipes and low-side voltage is respectively applied to the upper ends and the lower ends of the preheating pipes. The fluid preheating device for the serpentine pipe has the advantages that the heating speed is high, the structure is simple, non-condensable gas is prevented from being accumulated inside and the safety performance is high.
Description
Technical field
The present invention relates to a kind of preheating device, relate in particular to a kind of heating to preheating section pipeline inner fluid for engineering test, and heat fast, simple in structure, prevent the inner fluid preheating device of assembling incoagulable gas, snake pipe that security performance is high.
Background technology
Current many heavy construction experimental rig pipe diameters are larger, and whole experimental rig thermal capacity is large, if directly by the temperature increase of major loop to high temperature trystate, not only length consuming time, power consumption is large, also causes main pump directly to contact with high temperature fluid, infringement main pump performance.Therefore, this just need to arrange preheating section pipeline before test section, and the heating of convection cell in preheating section pipeline.Preheater is the visual plant of pipeline inner fluid heating, is also the important component part of all kinds of heavy construction experimental rigs and real processing and manufacturing equipment.
Electric heating equipment preheater in the market mainly contains several, for example, having one is to add hot fluid by tubular electrical heating element and fluid contact, this mode of heating is the comparatively ripe mode of heating of application at present, majority is used for heating static liquid or low-flow fluid, simple in structure, easy to operate, heating application for low heat capacity liquid or gas is wider, but there is significant limitation in this tubular electrical heating element, its thermal efficiency is lower, heat length consuming time, electrical power is less, if make by force the power of hundreds of kilowatt, the physical dimension of heating element heater is very huge, cannot be applied to the heating of large flow pipe inner fluid, and its internal resistance silk is easily oxidized, service life is shorter.Another kind is that this mode of heating is had relatively high expectations to resistance wire and insulation by being wound around heating resistor at pipeline outer wall or arranging that in pipeline fluid passage resistive heater adds hot fluid, and structure is comparatively complicated, not easy-maintaining and replacing after resistance wire damages.
In addition, above-mentioned these preheaters are in the time of heating, and high-temperature stream is known from experience generation incoagulable gas and stayed in preheater, will impact the safety of whole experimental rig and test effect if be applied on heavy construction experimental rig.
Summary of the invention
The object of the present invention is to provide a kind of heat fast, simple in structure, prevent the inner fluid preheating device of assembling incoagulable gas, snake pipe that security performance is high.
To achieve these goals, the fluid preheating device of snake pipe provided by the invention comprises upper condensate sump, lower condensate sump and some economizer banks being arranged side by side that is; Described economizer bank comprises straight length and bend loss, and described straight length and bend loss are connected to form serpentine bend structure; Described straight length relative level face is inclined to set; The upper end of described economizer bank is peak and is communicated with described upper condensate sump, and the lower end of described economizer bank is minimum point and is communicated with described lower condensate sump; The middle part of described economizer bank loads high-order voltage, and the upper end of described economizer bank and lower end load respectively low level voltage.
Compared with prior art, because described economizer bank is adopted resistance Joule heating by the present invention,, and then described economizer bank is directly heated described economizer bank on-load voltage by directly, thereby heat rapidly the fluid of described economizer bank inside, realize the object that convection cell is rapidly heated, in addition, due to described economizer bank is arranged to serpentine bend structure, and the relatively described horizontal plane of described straight length is inclined to set, the upper end that makes described economizer bank is that the lower end of peak and described economizer bank is minimum point, therefore, in the time that described economizer bank heats generation incoagulable gas to the fluid of its inside, these incoagulable gas can and upwards be discharged through bend loss along the straight length of described economizer bank, will not rest on the inside of described economizer bank, effectively prevent that incoagulable gas from affecting experimental rig, and without air collector is set, simplify the structure, whole preheating device not only heats soon, and simple in structure, easy to maintenance, and main pump is to contact with the cryogen of described lower condensate sump, avoids directly contacting with high temperature fluid and affecting main pump performance, safe.
Preferably, the quantity of described economizer bank is three.
Particularly, three described economizer banks adopt Y connection mode to be electrically connected.Y connection mode can make the heating power of three described economizer banks increase, thereby makes it produce high density hot-fluid and fluid in Fast Heating pipe.
Preferably, the middle part of described economizer bank, upper end and lower end are electrically connected with respectively electrical heating copper bar.Because the power of described economizer bank is very large, the electric current that flows to described economizer bank is very large, if use general electric wire copper wire can very easily burn out as wire, therefore, described electrical heating copper bar is set can prevents the generation of such accident, improves the security using.
Particularly, described electrical heating copper bar is provided with the bolt hole of on-load voltage and for through the circular hole of described economizer bank.
More specifically, the edge of described circular hole is provided with chamfering.
Preferably, the slanted angle of described straight length and horizontal plane is 10 degree.
Preferably, between described upper condensate sump and the upper end of described economizer bank and between described lower condensate sump and the lower end of described economizer bank, be all communicated with by reduced pipe.
Preferably, described upper condensate sump and lower collector pipe are equipped with fixed saddle and the sliding saddle for locating.
Brief description of the drawings
Fig. 1 is the schematic diagram of the fluid preheating device of snake pipe of the present invention.
Fig. 2 is the side view of the fluid preheating device of snake pipe of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the structure chart of electrical heating copper bar in the fluid preheating device of snake pipe of the present invention.
Detailed description of the invention
For the effect that describes technology contents of the present invention, structural feature in detail, realizes, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
As shown in Figure 1 and Figure 2, the fluid preheating device 100 of snake pipe of the present invention comprises upper condensate sump 1, lower condensate sump 2, main pump 3 and some economizer banks 4 being arranged side by side that is; Described economizer bank 4 comprises three straight lengths 41 and two bend loss 42, and described straight length 41 and bend loss 42 are connected to form serpentine bend structure; The relatively described horizontal plane of described straight length 41 is inclined to set, and the slanted angle θ of described straight length and horizontal plane is 10 degree.The upper end of described economizer bank 4 is the peak of whole economizer bank 4, and the delivery port of the peak of described economizer bank 4 is communicated with described upper condensate sump 1, the lower end of described economizer bank 4 is the minimum point of whole economizer bank 4, and the water inlet of the minimum point of described economizer bank 4 is communicated with described lower condensate sump 2, described main pump 3 is communicated with described lower condensate sump 2 by valve 5, and fluid flows out into described upper condensate sump 1 from the minimum point of described economizer bank 4 to the peak of described economizer bank 4 by described lower condensate sump 2.Described economizer bank 4 is stainless steel pipes; Described economizer bank 4 adopts resistance Joule heating, and when there being electric current to pass through after described economizer bank 4, described economizer bank 4 generates heat; Described in the present embodiment, the middle part of economizer bank 4 loads high-order voltage, and the same potential point place of the upper end of described economizer bank and lower end loads respectively low level voltage, thereby makes described economizer bank 4 generation currents.Fluid is deionized water, and deionized water insulate, and can prevent from flowing through the rear conduction of described economizer bank 4 and produce potential safety hazard.
Shown in Fig. 2 and Fig. 3, the quantity of economizer bank 4 is three described in the present embodiment, and the spacing L between adjacent two economizer banks 4 is 0.45m; By described economizer bank 4 is arranged side by side, dwindle the length of single described economizer bank 4, not only make integral arrangement compactness, rationally, and reduce the fluid-pressure drop in described economizer bank 4, the flow losses of fluid are little, effectively reduce the energy consumption of described main pump 3.Three described economizer banks 4 adopt Y connection mode to be electrically connected and are to be connected with the interchange heating power supply of low-voltage, large electric current, and this power supply is to obtain by inductor and supporting the use of AC transformer greatly.Y connection mode can make the heating power of three described economizer banks 4 increase, thereby makes it produce high density hot-fluid and fluid in Fast Heating pipe.
For another example Fig. 3 and Fig. 4, middle part, upper end and the lower end of described economizer bank 4 are electrically connected with respectively electrical heating copper bar 6, and described electrical heating copper bar 6 is to be connected on the outer wall of described economizer bank 4 by silver brazing; Being arranged side by side of above-mentioned three described economizer banks 4 provides good installing space for electrical heating copper bar; Because the power of described economizer bank 4 is very large, the electric current that flows to described economizer bank 4 is very large, if use general electric wire copper wire can very easily burn out as wire, therefore, described electrical heating copper bar 6 is set can prevents the generation of such accident, improves the security using.Described electrical heating copper bar 6 is provided with the bolt hole 61 of on-load voltage and for through the circular hole 62 of described economizer bank 4.The edge of described circular hole 62 is provided with chamfering.
Refer to again Fig. 2, between described upper condensate sump 1 and the upper end of described economizer bank 4 and between described lower condensate sump 2 and the lower end of described economizer bank 4, be all communicated with by reduced pipe 7.Described upper condensate sump 1 and lower collector pipe 2 are equipped with 8, fixing saddle and the sliding saddle 9 for locating.Described upper condensate sump 1 and lower condensate sump 2 can earth connections, further prevent the charged potential safety hazard that causes of fluid.
Compared with prior art, because described economizer bank 4 is adopted resistance Joule heating by the present invention,, and then described economizer bank 4 is directly heated described economizer bank 4 on-load voltages by directly, thereby heat rapidly the fluid of described economizer bank 4 inside, realize the object that convection cell is rapidly heated, in addition, due to described economizer bank 4 is arranged to serpentine bend structure, and the relatively described horizontal plane of described straight length 41 is inclined to set, the upper end that makes described economizer bank 4 is that the lower end of peak and described economizer bank 4 is minimum point, therefore, in the time that described economizer bank 4 heats generation incoagulable gas to the fluid of its inside, these incoagulable gas can upwards be discharged along the straight length of described economizer bank 4 41 and through bend loss 42, will not rest on the inside of described economizer bank 4, effectively prevent that incoagulable gas from affecting experimental rig, and without air collector is set, simplify the structure, , because becoming with horizontal plane obliquely, described straight length 41 arranges, therefore without the problem of considering straight length 41 axial thermal expansions described in axle meanwhile, whole preheating device not only heats soon, and simple in structure, easy to maintenance, and main pump 5 is to contact with the cryogen of described lower condensate sump 2, away from high-temperature area, avoids directly contacting with high temperature fluid and affecting its performance, safe.
Above disclosed is only preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the present patent application the scope of the claims, still belongs to the scope that the present invention is contained.
Claims (9)
1. a fluid preheating device for snake pipe, is characterized in that: comprise upper condensate sump, lower condensate sump and some economizer banks being arranged side by side that is; Described economizer bank comprises straight length and bend loss, and described straight length and bend loss are connected to form serpentine bend structure; Described straight length relative level face is inclined to set; The upper end of described economizer bank is peak and is communicated with described upper condensate sump, and the lower end of described economizer bank is minimum point and is communicated with described lower condensate sump; The middle part of described economizer bank loads high-order voltage, and the upper end of described economizer bank and lower end load respectively low level voltage.
2. the fluid preheating device of snake pipe as claimed in claim 1, is characterized in that: the quantity of described economizer bank is three.
3. the fluid preheating device of snake pipe as claimed in claim 2, is characterized in that: three described economizer banks adopt Y connection mode to be electrically connected.
4. the fluid preheating device of snake pipe as claimed in claim 1, is characterized in that: middle part, upper end and the lower end of described economizer bank are electrically connected with respectively electrical heating copper bar.
5. the fluid preheating device of snake pipe as claimed in claim 4, is characterized in that: described electrical heating copper bar is provided with the bolt hole of on-load voltage and for through the circular hole of described economizer bank.
6. the fluid preheating device of snake pipe as claimed in claim 5, is characterized in that: the edge of described circular hole is provided with chamfering.
7. the fluid preheating device of snake pipe as claimed in claim 1, is characterized in that: the slanted angle of described straight length and horizontal plane is 10 degree.
8. the fluid preheating device of snake pipe as claimed in claim 1, is characterized in that: between described upper condensate sump and the upper end of described economizer bank and between described lower condensate sump and the lower end of described economizer bank, be all communicated with by reduced pipe.
9. the fluid preheating device of snake pipe as claimed in claim 1, is characterized in that: described upper condensate sump and lower collector pipe are equipped with fixed saddle and the sliding saddle for locating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269499.6A CN104061673A (en) | 2014-06-17 | 2014-06-17 | Fluid preheating device for serpentine pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269499.6A CN104061673A (en) | 2014-06-17 | 2014-06-17 | Fluid preheating device for serpentine pipe |
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| Publication Number | Publication Date |
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| CN104061673A true CN104061673A (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410269499.6A Pending CN104061673A (en) | 2014-06-17 | 2014-06-17 | Fluid preheating device for serpentine pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697152A (en) * | 2015-03-18 | 2015-06-10 | 西南石油大学 | Natural gas hydrate slurry serpentine preheating device |
| CN104778350A (en) * | 2015-03-27 | 2015-07-15 | 西南石油大学 | Method for calculating preheat amount of serpentine preheating device |
| CN107079535A (en) * | 2014-06-26 | 2017-08-18 | 林德股份公司 | The device and method of fluid in pipeline is heated using three-phase current |
| CN112344546A (en) * | 2020-09-22 | 2021-02-09 | 中广核研究院有限公司 | Preheater for thermotechnical experiment loop |
Citations (5)
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|---|---|---|---|---|
| US4436983A (en) * | 1981-03-12 | 1984-03-13 | Solobay Leo A | Electric water heater with upwardly inclined zig-zag flow path |
| JPS59223119A (en) * | 1983-06-03 | 1984-12-14 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of race track type helical heating tube coil |
| GB2147776A (en) * | 1983-09-22 | 1985-05-15 | Hans Hucke | Electrically operated heating installation |
| CN2765102Y (en) * | 2005-01-24 | 2006-03-15 | 广州市奥特朗企业有限公司 | Heating device for electric water heater |
| CN203964337U (en) * | 2014-06-17 | 2014-11-26 | 中科华核电技术研究院有限公司 | The fluid preheating device of snake pipe |
-
2014
- 2014-06-17 CN CN201410269499.6A patent/CN104061673A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436983A (en) * | 1981-03-12 | 1984-03-13 | Solobay Leo A | Electric water heater with upwardly inclined zig-zag flow path |
| JPS59223119A (en) * | 1983-06-03 | 1984-12-14 | Ishikawajima Harima Heavy Ind Co Ltd | Manufacture of race track type helical heating tube coil |
| GB2147776A (en) * | 1983-09-22 | 1985-05-15 | Hans Hucke | Electrically operated heating installation |
| CN2765102Y (en) * | 2005-01-24 | 2006-03-15 | 广州市奥特朗企业有限公司 | Heating device for electric water heater |
| CN203964337U (en) * | 2014-06-17 | 2014-11-26 | 中科华核电技术研究院有限公司 | The fluid preheating device of snake pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107079535A (en) * | 2014-06-26 | 2017-08-18 | 林德股份公司 | The device and method of fluid in pipeline is heated using three-phase current |
| CN104697152A (en) * | 2015-03-18 | 2015-06-10 | 西南石油大学 | Natural gas hydrate slurry serpentine preheating device |
| CN104778350A (en) * | 2015-03-27 | 2015-07-15 | 西南石油大学 | Method for calculating preheat amount of serpentine preheating device |
| CN104778350B (en) * | 2015-03-27 | 2018-05-15 | 西南石油大学 | A kind of computational methods of the pre- heat of snakelike preheating device |
| CN112344546A (en) * | 2020-09-22 | 2021-02-09 | 中广核研究院有限公司 | Preheater for thermotechnical experiment loop |
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Application publication date: 20140924 |
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