CN207129957U - A kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe - Google Patents
A kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe Download PDFInfo
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- CN207129957U CN207129957U CN201721037561.4U CN201721037561U CN207129957U CN 207129957 U CN207129957 U CN 207129957U CN 201721037561 U CN201721037561 U CN 201721037561U CN 207129957 U CN207129957 U CN 207129957U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model discloses a kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe, including reactor (1), vaporize superheater (2), heat exchanger (3) and water cooler (4), heat exchanger (3) is connected with the bottom of vaporization superheater (2), the both sides of heat exchanger (3) are connected with the bottom of reactor (1) and water cooler (4) respectively, upper and lower ends, which are disposed with the water cooler (4) of coolant outlet (9) and cooling water inlet (8), is provided with conversion gas outlet (10), vaporization superheater (2) is connected by material channel and heat-carrier passage with reactor (1) respectively, heat exchanger (3), vaporization superheater (2) and water cooler (4) use high-efficiency helical heat exchange of heat pipe.The beneficial effects of the utility model：Heat transfer efficiency is high, saves the energy, compact-sized, floor space is small, is easily installed, transports.
Description
Technical field
A kind of hydrogen production units by carbinol in energy utilization field is the utility model is related to, it is more particularly to a kind of to use high-efficiency helical
The hydrogen production units by carbinol of heat exchange of heat pipe.
Background technology
In hydrogen production units by carbinol, methanol steam conversion reforming system mainly includes raw material preheating heating, feed vaporization
Overheat, raw material reaction are reformed, gaseous mixture cools down etc..In whole reaction system, material liquid needs heat temperature raising, converts gaseous mixture
Need to cool, so it is whole hydrogen from methyl alcohol saving that the heat energy of gaseous mixture is reclaimed for the pre-heating temperature elevation of material liquid again
The key of the energy.In conventional methanol device for producing hydrogen, being exchanged heat using tube-sheet type in heat exchanger, vaporization superheater and water cooler
Device, and the heat transfer efficiency of tube-sheet heat exchanger is relatively low, to meet the change demand of temperature, it is necessary to increase changing for tube-sheet heat exchanger
Hot area, so as to cause the bulky of a whole set of hydrogen production units by carbinol, it is contemplated that transport limitation, client typically consider selection scene
Installation, the construction cost of device are higher；Meanwhile the deposition of suspended particulate is easily caused in tube-sheet heat exchanger, cause suspension
Grain fouling in heat exchanger, blocks heat exchanger.
Utility model content
Needed for defect present in existing hydrogen production units by carbinol and reality, the utility model provides a kind of using efficient
The hydrogen production units by carbinol of spiral tube exchanger.
To achieve these goals, the measure that the utility model is taken：
A kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe, including reactor, vaporization superheater, water cooler and
Bottom is connected with the heat exchanger of material liquid import, and the top of heat exchanger is connected with vaporizing the bottom of superheater, vaporizes superheater
Top be connected by material channel with the top of reactor, the both sides of the heat exchanger bottom with reactor and water cooler phase respectively
Connection, upper and lower ends, which are disposed with the water cooler of coolant outlet and cooling water inlet, is provided with the outlet of conversion gas, with heat
The connected vaporization superheater of carrier import is connected by heat-carrier passage with being connected the reactor of heating medium outlet, and reactor is adopted
With tube-sheet heat exchanger, heat exchanger, vaporization superheater and water cooler use high-efficiency helical heat exchange of heat pipe；
The inside pipe wall of heat exchanger tube is wavy circular concavo-convex alternate helical duct in the high-efficiency helical heat exchange of heat pipe
Structure；
The high-efficiency helical heat exchange of heat pipe is 304 or 316 austenite stainless steel materials.
The beneficial effects of the utility model：Spiral tube exchanger heat transfer efficiency is high, and material liquid can be preheating to 160 by 20 DEG C
DEG C, gaseous mixture can condense to 140 DEG C by 280 DEG C, and the heat transfer coefficient than traditional tube-sheet heat exchanger improves 2~4 times, heat transfer efficiency
Improve 15%；Heat exchange area is small needed for spiral tube exchanger, and the surface area of heat exchanger internal heat exchange tubes is larger, unit volume
Heat transfer area is 3 times of traditional tubular heat exchanger, therefore hydrogen production units by carbinol of the yield in below 300Nm3/h can concentrate skid
Together, the space of package unit has been reduced, has facilitated the whole Transporting of equipment, has met user to small-sized device for producing hydrogen
Exempt from the requirement of installation in scene；Flow velocity of the fluid in spiral tube heat exchanger is higher, and the centrifugal force in helical flow path is larger, stream
Suspended particulate in body is not easy to deposit, fouling, blocking；Exchanged heat using the high-efficiency helical pipe of 304 or 316 austenite stainless steel materials
Device, avoid the corrosion of caused formic acid and carbonic acid heat exchanging device in hydrogen from methyl alcohol reaction.
Brief description of the drawings
Fig. 1 process charts of the present utility model.
In figure, 1, reactor；2nd, superheater is vaporized；3rd, heat exchanger；4th, water cooler；5th, heat carrier import；6th, heat carrier goes out
Mouthful；7th, material liquid import；8th, cooling water inlet；9th, coolant outlet；10th, gas outlet is converted.
Embodiment
To overcome defect present in existing hydrogen production units by carbinol, meet real needs, design one kind uses high-efficiency helical
The hydrogen production units by carbinol (such as Fig. 1) of heat exchange of heat pipe, including reactor 1, vaporization superheater 2, water cooler 4 and bottom are connected with raw material
The heat exchanger 3 of liquid import 7, the top of heat exchanger 3 are connected with vaporizing the bottom of superheater 2, and the top of vaporization superheater 2 passes through
Material channel is connected with the top of reactor 1, and the both sides of heat exchanger 3 are connected with the bottom of reactor 1 and water cooler 4 respectively,
Upper and lower ends, which are disposed with the water cooler 4 of coolant outlet 9 and cooling water inlet 8, is provided with conversion gas outlet 10, with heat
The connected vaporization superheater 2 of carrier import 5 is connected by heat-carrier passage with being connected the reactor 1 of heating medium outlet 6, is reacted
Device 1 uses tube-sheet heat exchanger, and heat exchanger 3, vaporization superheater 2 and water cooler 4 use high-efficiency helical heat exchange of heat pipe；The height
The inside pipe wall for imitating heat exchanger tube in spiral tube exchanger is wavy circular concavo-convex alternate helical channel structure；The efficient spiral shell
Coil heat exchanger is 304 or 316 austenite stainless steel materials.
Operation principle of the present utility model：Methanol and desalted water enter after mixing by a certain percentage from material liquid import 7 to be changed
Hot device 3 preheats, and the raw material of preheating, which is sent into after vaporization superheater 2 overheats, enters reactor 1, and catalytic pyrolysis is carried out in beds
With output hydrogen and carbon dioxide after transformationreation, then exchange heat through heat exchanger 3, after water cooler 4 cools down by converting gas outlet 10
Discharge.Known according to rate of heat transfer equation Q=KA Δs tm, to improve rate of heat transfer or augmentation of heat transfer, total heat transfer can be improved
COEFFICIENT K, increase heat transfer area A, or improve heat transfer temperature difference Δ tm, so as to increase total heat transfer Q.Heat exchanger is changed using helix tube type
After hot device, hot and cold two fluids flows in the tube side and shell side of heat exchanger respectively, and the fluid in helical flow path is due to centrifugation
The effect of inertia force, compared with being that can reach turbulent flow under low reynolds number, the heat transfer coefficient between fluid becomes big so that heat exchanger always conducts heat
2~4 times up to common tubular heat exchanger of coefficient；And due to the runner of flow of fluid is longer and two fluids can completely adverse current, therefore
The preheating in the mixing conversion gas of reactor outlet can fully be reclaimed.Water cooler and vaporization superheater use spiral tube exchanger
Afterwards, its overall heat-transfer coefficient increases by 2~4 times, and heat transfer temperature difference Δ tm be basically unchanged when, ensureing the constant feelings of its total heat transfer
Under condition, it is necessary to heat exchange area be maximally about the 50%~30% of traditional heat exchangers.Because spiral tube exchanger is compact-sized, unit
The heat transfer area of volume is 3 times of traditional tubular heat exchanger, therefore the high-efficiency helical heat exchange of heat pipe used only accounts for traditional shell and tube changes
The 20% of hot body product.
The beneficial effects of the utility model：Spiral tube exchanger heat transfer efficiency is high, and material liquid can be preheating to 160 by 20 DEG C
DEG C, gaseous mixture can condense to 140 DEG C by 280 DEG C, and the heat transfer coefficient than traditional tube-sheet heat exchanger improves 2~4 times, heat transfer efficiency
Improve 15%；Heat exchange area is small needed for spiral tube exchanger, and the surface area of heat exchanger internal heat exchange tubes is larger, unit volume
Heat transfer area is 3 times of traditional tubular heat exchanger, therefore hydrogen production units by carbinol of the yield in below 300Nm3/h can concentrate skid
Together, the space of package unit has been reduced, has facilitated the whole Transporting of equipment, has met user to small-sized device for producing hydrogen
Exempt from the requirement of installation in scene；Flow velocity of the fluid in spiral tube heat exchanger is higher, and the centrifugal force in helical flow path is larger, stream
Suspended particulate in body is not easy to deposit, fouling, blocking；Exchanged heat using the high-efficiency helical pipe of 304 or 316 austenite stainless steel materials
Device, avoid the corrosion of caused formic acid and carbonic acid heat exchanging device in hydrogen from methyl alcohol reaction.
The simple change and replacement of those ordinary skill in the art is all within the scope of protection of the utility model.
Claims (3)
1. a kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe, including reactor (1), vaporization superheater (2), water cooling
Device (4) and bottom are connected with the heat exchanger (3) of material liquid import (7), the top and the bottom of vaporization superheater (2) of heat exchanger (3)
End is connected, and the top of vaporization superheater (2) is connected by material channel with the top of reactor (1), the both sides of heat exchanger (3)
It is connected respectively with the bottom of reactor (1) and water cooler (4), upper and lower ends are disposed with coolant outlet (9) and cooling
Conversion gas outlet (10), the vaporization superheater (2) being connected with heat carrier import (5) are provided with the water cooler (4) of water inlet (8)
It is connected by heat-carrier passage with being connected the reactor (1) of heating medium outlet (6), reactor (1) uses tube-sheet heat exchanger,
Characterized in that, heat exchanger (3), vaporization superheater (2) and water cooler (4) use high-efficiency helical heat exchange of heat pipe.
A kind of 2. hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe according to claim 1, it is characterised in that institute
The inside pipe wall for stating heat exchanger tube in high-efficiency helical heat exchange of heat pipe is wavy circular concavo-convex alternate helical channel structure.
3. a kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe according to claim 1 or 2, its feature exists
In the high-efficiency helical heat exchange of heat pipe is 304 or 316 austenite stainless steel materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721037561.4U CN207129957U (en) | 2017-08-18 | 2017-08-18 | A kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe |
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| CN201721037561.4U CN207129957U (en) | 2017-08-18 | 2017-08-18 | A kind of hydrogen production units by carbinol using high-efficiency helical heat exchange of heat pipe |
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| CN207129957U true CN207129957U (en) | 2018-03-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296937A (en) * | 2018-10-17 | 2019-02-01 | 东方希望(三门峡)铝业有限公司 | A kind of Steam Recovery component and alumina producing system |
| CN110265691A (en) * | 2019-06-28 | 2019-09-20 | 西安交通大学 | A kind of controlled hydrolysis suitable for fuel cell releases hydrogen hydrogen supply integral system |
-
2017
- 2017-08-18 CN CN201721037561.4U patent/CN207129957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296937A (en) * | 2018-10-17 | 2019-02-01 | 东方希望(三门峡)铝业有限公司 | A kind of Steam Recovery component and alumina producing system |
| CN110265691A (en) * | 2019-06-28 | 2019-09-20 | 西安交通大学 | A kind of controlled hydrolysis suitable for fuel cell releases hydrogen hydrogen supply integral system |
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