CN209309669U - A kind of natural gas pre-heating system - Google Patents
A kind of natural gas pre-heating system Download PDFInfo
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- CN209309669U CN209309669U CN201822068144.7U CN201822068144U CN209309669U CN 209309669 U CN209309669 U CN 209309669U CN 201822068144 U CN201822068144 U CN 201822068144U CN 209309669 U CN209309669 U CN 209309669U
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- natural gas
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Abstract
The utility model discloses a kind of heating device, especially a kind of natural gas pre-heating system belongs to heated by natural gas device field;The system includes preheater, natural gas compressor, main steam range, rhone and square chest furnace, the preheater is equipped with natural gas air inlet, natural gas gas outlet, steam inlet and liquid outlet, the natural gas air inlet is connected to natural gas compressor, natural gas gas outlet is connected to square chest furnace, natural gas gas outlet is connected to steam inlet by sealing pipeline, the steam inlet is connected to main steam range, and liquid outlet is connected to rhone;Natural gas preheating is carried out using the extra emptying steam of system, energy waste is solved the problems, such as, promotes natural gas full combustion, effectively reduce the usage amount of natural gas, reduce cost, save the energy.
Description
Technical field
The utility model relates to a kind of heating device, especially a kind of natural gas pre-heating system belongs to heated by natural gas dress
Set field.
Background technique
In the Chemical Manufacture using natural gas as raw material, it is anti-that technique natural gas need to have certain pressure and temperature to participate in chemical industry
It answers, because its pressure is high, flow is big, flow velocity is fast, general not set preheating device, but by the way that burning natural gas is added, it is ensured that it is anti-
Answer temperature.To save natural gas dosage of burning, while ensuring the pressure and reaction temperature of technique natural gas, has in production system more
Under conditions of remaining steam, technique natural gas preheater is added, makes full use of emptying steam heat, pre-heating technique natural gas.Pass through
After preheating, emptying steam heat can be effectively recycled, reduces burning natural gas dosage.
In current Chemical Manufacture, system excess steam is often discharged in a manner of emptying, and causes the waste of the energy.
Summary of the invention
The goal of the invention of the utility model is: in view of the above problems, providing one kind can put using in system
The heat of empty steam makes full use of waste heat and saves the natural gas pre-heating system of the energy.
The technical solution adopted in the utility model is as follows:
A kind of natural gas pre-heating system, it is characterised in that: including preheater, natural gas compressor, main steam range, rhone
With square chest furnace, the preheater is equipped with natural gas air inlet, natural gas gas outlet, steam inlet and liquid outlet, described natural
Gas air inlet is connected to natural gas compressor, and natural gas gas outlet is connected to square chest furnace, natural gas gas outlet and steam inlet
It is connected to by sealing pipeline, the steam inlet is connected to main steam range, and liquid outlet is connected to rhone.Natural gas is passed through pre-
After hot device, steam is entered by steam inlet, water is condensed into after preheating to natural gas, and be discharged by liquid outlet.Pass through
After increasing preheater, natural gas enters the raising of square chest furnace temperature, and conversion is more abundant, and temperature improves 10-than early period in desulfurizer
15 DEG C, and the negative pressure also lower 10mmH than early period in square chest furnace2O。
A kind of natural gas pre-heating system of the utility model, the natural gas gas outlet and steam inlet are located at preheater
Top.The thermal energy of the abundant recovered steam of preheater can be made to preheat natural gas using the design.
Further, natural gas gas outlet position is higher than steam inlet.It is abundant with steam conducive to natural gas
Reverse heat-exchange.
Further, natural gas gas outlet is located at the 50mm-350mm on steam inlet.Conducive to setting for ventilation pipe
Meter, and natural gas pre-heat effect is more preferably.
Further, natural gas gas outlet is located at the 150mm on steam inlet.The effect preheated on this position is most
It is good.
A kind of natural gas pre-heating system of the utility model, the natural gas air inlet and liquid outlet are located under preheater
Portion.Steam condensate is avoided to influence heat exchange using this design, gradually pre-heating temperature elevation after making natural gas enter preheater.
Further, the liquid outlet position is higher than natural gas air inlet.The circuit for shortening steam, avoids steam cold
Lime set is on pre- thermogenetic influence.
Further, the liquid outlet is located at the 50mm-300mm on natural gas air inlet.The position is conducive to field pipes
Reason, and steam condensate is smaller to the pre- heat affecting of natural gas.
Further, the liquid outlet is located at the 150mm on natural gas air inlet.Pre-heat effect is most on this position
It is good.
A kind of natural gas pre-heating system of the utility model, the main steam range are connected to emptying main steam range.Utilize system
The steam for uniting extra carries out recycling and reusing, saves the energy.
A kind of natural gas pre-heating system of the utility model, the rhone are connected to desalination sink.Make full use of resource.
Further, the natural gas compressor is also connected to square chest furnace.It can not halt system work when faults of preheater
Make.
A kind of natural gas pre-heating system of the utility model, is additionally provided with pressure-regulating valve door.Further ensure that production peace
Entirely.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
A kind of natural gas pre-heating system of the utility model carries out natural gas preheating, solution using the extra emptying steam of system
Determined energy waste the problem of, promote natural gas sufficiently convert, effectively reduce burning natural gas usage amount, reduce cost,
Save the energy.
Detailed description of the invention
Fig. 1 is natural gas pre-heating system structural schematic diagram.
Marked in the figure: 1- preheater, 2- natural gas gas outlet, 3- steam inlet, 4- liquid outlet, 5- natural gas air inlet
Mouth, 6- main steam range, 7- natural gas compressor, 8- square chest furnace, 9- rhone.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment
A kind of natural gas pre-heating system, as shown in Figure 1, including preheater 1, natural gas compressor 7, main steam range 6, draining
Slot 9 and square chest furnace 8, the preheater 1 are equipped with natural gas air inlet 5, natural gas gas outlet 2, steam inlet 3 and liquid outlet 4,
The natural gas air inlet 5 is connected to natural gas compressor 7,2 square chest furnace 8 of natural gas gas outlet connection, natural gas gas outlet 2 with
Steam inlet 5 is connected to by sealing pipeline, and the steam inlet 3 is connected to main steam range, and liquid outlet 4 and rhone 9 connect
It is logical.After natural gas is passed through preheater 1, steam is entered by steam inlet 3, water is condensed into after preheating to natural gas, and lead to
Cross the discharge of liquid outlet 4.After increasing preheater 1, the natural gas side of entrance compartment furnace temperature is improved, and natural gas conversion is more abundant,
The burning amount of natural gas that square chest furnace is added is reduced, and temperature is than improving 10-15 DEG C, and negative pressure in square chest furnace 8 early period in desulfurizer
Also the lower 10mmH than early period2O。
In the design principle of above-mentioned specific embodiment, in another specific embodiment, 2 He of natural gas gas outlet
Steam inlet 3 is located at 1 top of preheater.The thermal energy of the abundant recovered steam of preheater can be made to preheat naturally using the design
Gas.It does and advanced optimizes, in another specific embodiment, natural gas gas outlet 2 position is higher than steam inlet 3.
It exchanges heat conducive to natural gas and steam full regression.In a wherein specific embodiment, natural gas gas outlet 2 is located at apart from steam
50mm or 350mm on air inlet 3.Conducive to the design of ventilation pipe, and natural gas pre-heat effect is more preferably.Preferably, naturally
Gas gas outlet 2 is located at the 150mm on steam inlet 3.
In order to further improve preheater 1 to the pre-heat effect of natural gas, in another specific embodiment, natural gas into
Port 5 and liquid outlet 4 are located at 1 lower part of preheater.Steam condensate is avoided to influence heat transfer effect, after so that natural gas is entered preheater
Gradually pre-heating temperature elevation.It is advanced optimized in this design, in another specific embodiment, 4 position of liquid outlet is higher than
Natural gas air inlet 5.The circuit for shortening steam, avoids steam condensate liquid on pre- thermogenetic influence.One is specific real wherein
It applies in mode, liquid outlet 4 is located at the 50mm or 300mm on natural gas air inlet 5.Conducive to the design of field management, and
Condensate liquid is smaller to the pre- heat affecting of natural gas.Preferably, liquid outlet 4 is located at the 150mm on natural gas air inlet 5.
In order to promote energy utilization rate, in another specific embodiment, main steam range 6 is put with sky into an optimization system
Main steam range connection.Make full use of the steam that recovery system is extra.
And the recyclable recycling of steam condensate generated after preheat, in another specific embodiment, rhone 4 is
Desalination sink.
Due to the problem of in practical process, inevitably will appear steam heater failure, in order to avoid stopping caused by failure
Machine, in another specific embodiment, the natural gas compressor 7 is also connected to by valve with square chest furnace 8.
Natural gas is after preheating, and volume increases, boost in pressure, in order to improve security performance when system operation, at it
In in a specific embodiment, be additionally provided with pressure-regulating valve door, the gas pressure in adjustment system.
In conclusion a kind of natural gas pre-heating system of the utility model is carried out naturally using the extra emptying steam of system
Gas preheating, solves the problems, such as energy waste, and natural gas is promoted sufficiently to convert, and effectively reduces the usage amount of burning natural gas,
Cost is reduced, the energy is saved.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of natural gas pre-heating system, it is characterised in that: including preheater (1), natural gas compressor (7), main steam range
(6), rhone (9) and square chest furnace (8), the preheater (1) are equipped with natural gas air inlet (5), natural gas gas outlet (2), steam
Vapour air inlet (3) and liquid outlet (4), the natural gas air inlet (5) are connected to natural gas compressor (7), natural gas gas outlet
(2) be connected to square chest furnace (8), natural gas gas outlet (2) are connected to steam inlet (3) by sealing pipeline, the steam into
Port (3) is connected to main steam range (6), and liquid outlet (4) is connected to rhone (9).
2. a kind of natural gas pre-heating system as described in claim 1, it is characterised in that: the natural gas gas outlet (2) and steaming
Vapour air inlet (3) is located at preheater (1) top.
3. a kind of natural gas pre-heating system as claimed in claim 2, it is characterised in that: where the natural gas gas outlet (2)
Position is higher than steam inlet (3).
4. a kind of natural gas pre-heating system as described in claim 1, it is characterised in that: the natural gas air inlet (5) and out
Liquid mouth (4) is located at preheater (1) lower part.
5. a kind of natural gas pre-heating system as claimed in claim 4, it is characterised in that: liquid outlet (4) position is high
In natural gas air inlet (5).
6. a kind of natural gas pre-heating system as claimed in claim 5, it is characterised in that: the liquid outlet (4) is located at apart from day
50mm-300mm on right gas air inlet (5).
7. a kind of natural gas pre-heating system as claimed in claim 6, it is characterised in that: the liquid outlet (4) is located at apart from day
150mm on right gas air inlet (5).
8. a kind of natural gas pre-heating system as described in claim 1, it is characterised in that: the main steam range (6) and emptying are steamed
Vapour general pipeline connection.
9. a kind of natural gas pre-heating system as described in claim 1, it is characterised in that: the rhone (9) is desalination sink.
10. a kind of natural gas pre-heating system as described in claim 1, it is characterised in that: the natural gas compressor (7) is also logical
Valve is crossed to be connected to square chest furnace (8).
Priority Applications (1)
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CN201822068144.7U CN209309669U (en) | 2018-12-11 | 2018-12-11 | A kind of natural gas pre-heating system |
Applications Claiming Priority (1)
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CN201822068144.7U CN209309669U (en) | 2018-12-11 | 2018-12-11 | A kind of natural gas pre-heating system |
Publications (1)
Publication Number | Publication Date |
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CN209309669U true CN209309669U (en) | 2019-08-27 |
Family
ID=67676264
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CN201822068144.7U Active CN209309669U (en) | 2018-12-11 | 2018-12-11 | A kind of natural gas pre-heating system |
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CN (1) | CN209309669U (en) |
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2018
- 2018-12-11 CN CN201822068144.7U patent/CN209309669U/en active Active
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Effective date of registration: 20211008 Granted publication date: 20190827 |
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