CN215804842U - Natural gas heating system - Google Patents
Natural gas heating system Download PDFInfo
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- CN215804842U CN215804842U CN202120904213.2U CN202120904213U CN215804842U CN 215804842 U CN215804842 U CN 215804842U CN 202120904213 U CN202120904213 U CN 202120904213U CN 215804842 U CN215804842 U CN 215804842U
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- natural gas
- heat exchanger
- pipe
- cooling water
- heating system
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Abstract
The utility model discloses a natural gas heating system which comprises a cooling water tower, a hot water pipe, a cooling water pipe, a hot water branch pipe, a heat exchanger, a cooling water branch pipe, a pressure regulating station, an air inlet pipe, an air outlet pipe and a gas turbine, wherein the input end of the cooling water tower is connected with the hot water pipe, the output end of the cooling water tower is connected with the cooling water pipe, the hot water pipe is also connected with the water flow input end of the heat exchanger through the hot water branch pipe, the water flow output end of the heat exchanger is connected with the cooling water pipe through the cooling water branch pipe, the output end of the pressure regulating station is connected with the gas input end of the heat exchanger through the air inlet pipe, and the gas output end of the heat exchanger is connected with the input end of the gas turbine through the air outlet pipe. The natural gas heating system has the advantages that the heating system is simple in structure, the natural gas is heated by using the circulating water of the external unit, external resources are not consumed, energy is saved, and the operation cost of the natural gas heating system is reduced.
Description
Technical Field
The utility model relates to the technical field of natural gas heating, in particular to a natural gas heating system.
Background
The design temperature of the front module of the gas turbine is generally more than 5 ℃, the temperature of natural gas at the inlet of the pressure regulating station is-8-0 ℃, and the temperature of natural gas flowing out of the pressure regulating station is lower than 5 ℃, so that the natural gas is not fully combusted after entering the gas turbine, and resources are wasted; therefore, the natural gas at the outlet of the pressure regulating station needs to be heated, at present, a water bath furnace, electricity, steam and other heating modes are mainly adopted, the water bath furnace is heated in a natural gas combustion mode, the electricity heating mode adopts electric energy for heating, the steam heating mode adopts auxiliary steam for heating the natural gas, the natural gas can be heated only by consuming external resources, and the operation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of reducing the operation cost of a natural gas heating system.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a natural gas heating system, includes cooling tower, hot-water line, condenser tube, hot water branch pipe, heat exchanger, cooling water branch pipe, pressure regulating station, intake pipe, outlet duct and gas turbine, the hot-water line is connected to the cooling tower input, and condenser tube is connected to the output, the hot-water line still passes through the rivers input of hot water branch union coupling heat exchanger, the rivers output of heat exchanger passes through condenser tube union coupling condenser tube, the output at pressure regulating station passes through the intake pipe and is connected with the gas input of heat exchanger, the gas output end of heat exchanger passes through the outlet duct and is connected with gas turbine's input.
The hot water in the hot water pipe enters the heat exchanger through the hot water branch pipe to exchange heat for the natural gas output by the pressure regulating station, the natural gas after the heat exchange in the heat exchanger is input into the gas turbine, and the cooling water after the heat exchange in the heat exchanger enters the cooling water pipe through the cooling water branch pipe to realize the water circulation effect.
Preferably, a hot water electric valve is arranged on the hot water branch pipe.
Preferably, a return water regulating valve is arranged on the cooling water branch pipe.
Preferably, the cooling water branch pipes at the front end and the rear end of the water return regulating valve are respectively provided with a water return electric valve.
Preferably, the water return regulating valve is a pneumatic regulating valve.
Compared with the prior art, the utility model has the beneficial effects that:
the hot water in the hot water pipe enters the heat exchanger through the hot water branch pipe to exchange heat for the natural gas output by the pressure regulating station, the natural gas after the heat exchange in the heat exchanger is input into the gas turbine, and the cooling water after the heat exchange in the heat exchanger enters the cooling water pipe through the cooling water branch pipe to realize the water circulation effect.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the embodiment discloses a natural gas heating system, which includes a cooling water tower 1, a hot water pipe 2, a cooling water pipe 3, a hot water branch pipe 4, a heat exchanger 5, a cooling water branch pipe 6, a pressure regulating station 7, an air inlet pipe 8, an air outlet pipe 9 and a gas turbine 10, wherein an input end of the cooling water tower 1 is connected with the hot water pipe 2, an input end of the hot water pipe 2 is connected with an external heat pump unit (not shown in the figure), an output end of the cooling water tower 1 is connected with the cooling water pipe 3, and an output end of the cooling water pipe 3 is connected with the external heat pump unit, so that a circulating water effect is realized; hot-water line 2 still connects heat exchanger 5's rivers input through hot water branch pipe 4, heat exchanger 5's rivers output passes through cooling water branch pipe 6 and connects condenser tube 3, the output of pressure regulating station 7 passes through intake pipe 8 and is connected with heat exchanger 5's gas input end, heat exchanger 5's gas output end passes through outlet duct 9 and is connected with gas turbine 10's input, provides the natural gas for gas turbine 10.
Hot water in the hot-water line 2 enters the heat exchanger 5 through the hot-water branch pipe 4 to exchange heat for the natural gas output by the pressure regulating station 7, the natural gas after the heat exchange in the heat exchanger 5 is input into the gas turbine 10, cooling water after the heat exchange in the heat exchanger 5 enters the cooling water pipe 3 through the cooling water branch pipe 6, the water circulation effect is realized, the heating system is simple in structure, the circulating water of an external unit is utilized to heat the natural gas, external resources are not required to be consumed, energy is saved, and the running cost of the natural gas heating system is reduced.
And a hot water electric valve 11 is arranged on the hot water branch pipe 4.
The cooling water branch pipe 6 is provided with a return water adjusting valve 12, in this embodiment, the return water adjusting valve 12 is a pneumatic adjusting valve, and is used for adjusting the return flow of the cooling water branch pipe 6, and further controlling the heat exchange temperature of the natural gas in the heat exchanger 5. Furthermore, the cooling water branch pipes 6 at the front end and the rear end of the backwater regulating valve 12 are respectively provided with a backwater electric valve 13, when the backwater regulating valve 12 needs to be overhauled or replaced, the two backwater electric valves 13 are closed to realize interruption of water flow, and therefore the backwater regulating valve 12 is overhauled or replaced.
The working principle of the utility model is as follows: open hot water motorised valve 11, return water transfer valve 12 and return water motorised valve 13, hot water in the hot-water line 2 gets into heat exchanger 5 through hot water branch pipe 4 and carries out the heat transfer for the natural gas of pressure regulating station 7 output, natural gas input gas turbine 10 after the heat transfer in the heat exchanger 5, cooling water after the heat transfer in the heat exchanger 5 gets into condenser tube 3 through cooling water branch pipe 6 in, realize the hydrologic cycle effect, the circulating water that utilizes outside unit heats the natural gas, need not consume external resources, not only the energy saving, the running cost of natural gas heating system has still been reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent the embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (5)
1. A natural gas heating system, characterized by: including cooling tower, hot-water line, condenser tube, hot-water branch pipe, heat exchanger, cooling water branch pipe, pressure regulating station, intake pipe, outlet duct and gas turbine, the hot-water line is connected to the cooling tower input, and condenser tube is connected to the output, the hot-water line still passes through the rivers input of hot water branch union coupling heat exchanger, the rivers output of heat exchanger passes through cooling water branch union coupling condenser tube, the output in pressure regulating station passes through the intake pipe and is connected with the gas input of heat exchanger, the gas output end of heat exchanger passes through the outlet duct and is connected with gas turbine's input.
2. A natural gas heating system according to claim 1, wherein: and a hot water electric valve is arranged on the hot water branch pipe.
3. A natural gas heating system according to claim 1, wherein: and a return water regulating valve is arranged on the cooling water branch pipe.
4. A natural gas heating system according to claim 2, wherein: and the cooling water branch pipes at the front end and the rear end of the backwater water regulating valve are respectively provided with a backwater electric valve.
5. A natural gas heating system according to claim 1, wherein: the backwater adjusting valve is a pneumatic adjusting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904213.2U CN215804842U (en) | 2021-04-26 | 2021-04-26 | Natural gas heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120904213.2U CN215804842U (en) | 2021-04-26 | 2021-04-26 | Natural gas heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804842U true CN215804842U (en) | 2022-02-11 |
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ID=80172014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120904213.2U Active CN215804842U (en) | 2021-04-26 | 2021-04-26 | Natural gas heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804842U (en) |
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2021
- 2021-04-26 CN CN202120904213.2U patent/CN215804842U/en active Active
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