CN213811163U - Air energy heating device applied to fuel gas peak regulation - Google Patents
Air energy heating device applied to fuel gas peak regulation Download PDFInfo
- Publication number
- CN213811163U CN213811163U CN202022473745.3U CN202022473745U CN213811163U CN 213811163 U CN213811163 U CN 213811163U CN 202022473745 U CN202022473745 U CN 202022473745U CN 213811163 U CN213811163 U CN 213811163U
- Authority
- CN
- China
- Prior art keywords
- air energy
- heat exchange
- refrigerant
- heat
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Central Heating Systems (AREA)
Abstract
The utility model relates to the technical field of energy utilization, in particular to an air energy heating device applied to fuel gas peak regulation, which comprises a heat exchange unit and an air energy heat pump unit communicated with the heat exchange unit, wherein the heat exchange unit heats a natural gas pipeline to ensure that a medium conveyed by the natural gas pipeline maintains a set temperature, and the air energy heat pump unit supplies heat for the heat exchange unit; the air energy heat pump unit comprises a control element, a compressor, a heat exchanger, a throttling pressure regulating piece and an air energy utilizing piece, wherein the compressor, the heat exchanger, the throttling pressure regulating piece and the air energy utilizing piece are sequentially communicated with the control element; the utility model has the advantages that: the air energy heat pump unit heats the natural gas pipeline by utilizing air energy, so that electric energy or other energy sources are saved.
Description
Technical Field
The utility model relates to an energy utilization technical field specifically is an air can heating device for gas peak regulation.
Background
As the biggest energy producing country in the world, China forms an energy supply system for the comprehensive development of coal, electric power, petroleum and natural gas, new energy and renewable energy. In the process of conveying the petroleum and natural gas, the petroleum and natural gas is influenced by the temperature of the region, and in order to improve and ensure the stable and safe operation of conveying, temperature control equipment needs to be installed on a conveying pipeline to control the temperature of the conveyed petroleum and natural gas.
Wherein, the peak regulation process is carried out on the practicality of the petroleum and the natural gas, taking the peak regulation of 10 ten thousand gas per day in medium cities as an example, the electric heating mode is completely adopted, and the electricity consumption is 1584 degrees per day.
In the existing peak shaving device, LNG (liquefied natural gas) is gasified by an air heater and then enters a pipe network, and the LNG still needs to be heated due to the low temperature (-20 ℃), and is generally heated by electricity, so that the electricity consumption is 0.015 ℃ on one hand, energy is not saved, a new energy-saving heating device is needed, and the concept of environmental protection and energy saving is responded.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air of being applied to gas peak regulation can heating device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the air energy heating device comprises a heat exchange unit and an air energy heat pump unit communicated with the heat exchange unit, wherein the heat exchange unit heats a natural gas pipeline to enable a medium conveyed by the natural gas pipeline to maintain a set temperature, and the air energy heat pump unit supplies heat to the heat exchange unit.
As a further aspect of the present invention: the system further comprises a temperature monitoring unit, wherein the temperature monitoring unit is used for monitoring the temperature of the medium in the natural gas pipeline and feeding back the temperature to the air energy heat pump unit.
As a further aspect of the present invention: the temperature monitoring unit is also used for monitoring the temperature of a refrigerant in the air energy heat pump unit.
As a further aspect of the present invention: the air energy heat pump unit comprises a control element, a compressor, a heat exchanger, a throttling pressure regulating piece and an air energy utilizing piece, wherein the compressor, the heat exchanger, the throttling pressure regulating piece and the air energy utilizing piece are sequentially communicated with the control element, a refrigerant is sent into the heat exchanger through the compressor and is subjected to heat exchange with the heat exchange unit at the heat exchanger, the refrigerant after heat exchange enters the throttling pressure regulating piece, the throttling pressure regulating piece regulates the flow and pressure of the refrigerant and conveys the refrigerant to the air energy utilizing piece, the air energy utilizing piece receives and heats the refrigerant conveyed by the throttling pressure regulating piece and conveys the refrigerant after pressure regulation to the compressor to form a circulation passage, and the control element controls the work of each part.
As a further aspect of the present invention: the control element comprises a single chip microcomputer and a plurality of electromagnetic valve groups, the electromagnetic valve groups are installed on the circulation passage, and the single chip microcomputer controls circulation of a refrigerant in the circulation passage through the electromagnetic valve groups.
As a further aspect of the present invention: the air energy utilization member is used for absorbing air energy so that the temperature of the refrigerant received by the air energy utilization member is increased to a set temperature and then output.
As a further aspect of the present invention: the throttling pressure regulating part comprises one or more electronic throttling expansion valves.
As a further aspect of the present invention: the air energy utilization member at least comprises a condenser and a heater, wherein the condenser is used for absorbing air energy so that the temperature of a refrigerant received by the condenser is increased to a set temperature and then the refrigerant is output to the heater.
As a further aspect of the present invention: the heat exchange unit comprises a heat exchange tube and a connecting tube, the heat exchange tube is arranged on the natural gas pipeline in a surrounding mode, and the heat exchange tube is communicated with the air energy heat pump unit through the connecting tube.
As a further aspect of the present invention: and the outer circumferences of the heat exchange tube and the connecting tube are respectively provided with a heat insulation piece for heat insulation.
Compared with the prior art, the beneficial effects of the utility model are that: the air energy heat pump unit heats the natural gas pipeline by utilizing air energy, so that electric energy or other energy sources are saved.
Drawings
Fig. 1 is the embodiment of the present invention, which is a schematic structural diagram of an air energy heating device applied to fuel gas peak shaving.
Fig. 2 is a schematic diagram of a system of control elements in an embodiment of the present invention.
In the drawings: 100-heat exchange unit, 101-heat exchanger, 102-condenser, 200-heater, 300-electronic throttle expansion valve, 400-compressor.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1-2, in an embodiment of the present invention, an air-source heating device for gas peak shaving includes a heat exchange unit 100 and an air-source heat pump unit connected to the heat exchange unit 100, wherein the heat exchange unit 100 heats a natural gas pipeline to maintain a set temperature of a medium conveyed by the natural gas pipeline, and the air-source heat pump unit supplies heat to the heat exchange unit.
Specifically, the air-source heat pump unit comprises a control element, and a compressor 400, a heat exchanger 101, a throttling pressure regulating element and an air-source utilization element which are connected with the control element and communicated in sequence, wherein the control element controls the work of each part. The refrigerant is sent into the heat exchanger 101 through the compressor 400 and exchanges heat with the heat exchange unit in the heat exchanger 101, the refrigerant after heat exchange enters the throttling pressure regulating part, the throttling pressure regulating part regulates the flow and the pressure of the refrigerant and conveys the refrigerant to the air energy utilization part, the air energy utilization part receives and heats the refrigerant conveyed by the throttling pressure regulating part and conveys the refrigerant after pressure regulation to the compressor to form a circulation passage; the air energy utilization member is used for absorbing air energy so that the temperature of the refrigerant received by the air energy utilization member is increased to a set temperature and then output, the air energy utilization member at least comprises a condenser 102 and a heater 200, and the condenser 102 is used for absorbing the air energy so that the temperature of the refrigerant received by the air energy utilization member is increased to the set temperature and then output to the heater 200.
As shown in fig. 1, the circulation path has a plurality of process nodes, wherein a first process node 4 is provided between the compressor 400 and the heat exchanger 101, a second process node 5 is provided between the heat exchanger 101 and the throttle modulator, a third process node 6 is provided between the throttle modulator and the condenser 102, a fourth process node 7 is provided between the condenser 102 and the heater 200, and a fifth process node w2 is provided between the heater 200 and the compressor 400. The medium temperature (natural gas) of the front end w1 of the natural gas pipeline is-20.00 ℃, the pressure is 1000 kPa, and the flow rate is 4411m3H, the heating temperature (natural gas) of the rear end 2 is 15.20 ℃, and the pressure is 995.0 kPa; the heat energy q5 to be consumed is 66.19 kilowatts. The internal energy q4 of the compressor 400 in the air-energy heat pump unit was 13.21 kilowatts, and the air energy q7 absorbed by the condenser 102 was 52.98 kilowatts. In the heating process, the refrigerant state at the first process node 4 is 37.41 ℃ and 800.00 kilopascal; the refrigerant state at the second process node 5 is 18.00 ℃ and 800.00 kilopascal; the refrigerant state at the third 6 process node is-20.48 ℃, 240.00 kilopascal; the refrigerant state at the process node four 7 is-18 ℃, 240.00 kPa, and the refrigerant state at the process node five w2 is maintained unchanged from the refrigerant state at the process node four 7; comparing q5 with q4 and q7, it can be known that the energy consumption for heating natural gas is air energy, and the energy conservation is greatly realized.
To sum up, the air energy heat pump unit heats the natural gas pipeline by utilizing air energy, so that the energy-saving effect is obvious, and electric energy or other energy sources are saved.
Referring to fig. 1-2, in another embodiment of the present invention, the system further includes a temperature monitoring unit, wherein the temperature monitoring unit is configured to monitor the temperature of the medium in the natural gas pipeline and feed back the temperature to the air-source heat pump unit.
The throttling and pressure regulating part comprises one or more electronic throttling expansion valves 300, the control element comprises a single chip microcomputer, a temperature sensor arranged in the temperature monitoring unit is connected with the single chip microcomputer, the temperature sensor monitors the temperature of a medium (natural gas) in a natural gas pipeline and feeds the temperature back to the single chip microcomputer, the single chip microcomputer controls the work of the compressor 400, the heat exchanger 101, the electronic throttling expansion valves 300, the condenser 102 and the heater 200, so that the circulating passage is maintained in the optimal running state, and the service life of the circulating passage is prolonged.
Referring to fig. 2, in a preferred embodiment of the present invention, the temperature monitoring unit is further configured to monitor a temperature of a refrigerant in the air-source heat pump unit.
The refrigerant is sent into the heat exchanger through the compressor and exchanges heat with the heat exchange unit at the heat exchanger, the refrigerant after heat exchange enters the throttling pressure regulating part, the throttling pressure regulating part regulates the flow and the pressure of the refrigerant and conveys the refrigerant to the air energy utilization part, the air energy utilization part receives and heats the refrigerant conveyed by the throttling pressure regulating part and conveys the refrigerant to the compressor to form a circulation passage, and the control element controls the work of each part. In the circulation process of the refrigerant, the temperature sensors arranged on the temperature monitoring units monitor each process node, so that the circulation passage is maintained in the optimal operation state, and the heat utilization rate of the refrigerant is improved.
In another preferred embodiment of the present invention, the control unit includes an electromagnetic valve set, and the electromagnetic valve set is installed on the circulation path, and the single chip microcomputer controls the circulation of the refrigerant in the circulation path through the electromagnetic valve set.
The electromagnetic valve group comprises a plurality of electromagnetic valves arranged on the circulation passage, and the on-off of each electromagnetic valve is controlled by the single chip microcomputer so as to control the flow speed and the pressure of the refrigerant in the circulation passage.
Referring to fig. 1, in another embodiment of the present invention, the heat exchange unit 100 includes a heat exchange tube and a connection tube, the heat exchange tube is disposed around the natural gas pipeline, and the heat exchange tube is connected to the air-source heat pump unit through the connection tube.
Specifically, the heat exchanger is communicated through a connecting pipe, partial heat of a refrigerant in the heat exchanger is brought into the heat exchanger through the connecting pipe, and the heat exchanger heats natural gas in a natural gas pipeline to meet certain conveying requirements.
Preferably, the outer circumferences of the heat exchange tube and the connecting tube are respectively provided with a heat insulation piece for heat insulation, and the heat insulation piece is formed by binding and wrapping the heat exchange tube and the connecting tube by adopting a rubber pad.
The utility model discloses a theory of operation: the natural gas pipeline is heated by the heat exchange unit 100 to enable a medium conveyed by the natural gas pipeline to maintain a set temperature, the air energy heat pump unit supplies heat for the heat exchange unit, the air energy heat pump unit comprises a control element, and a compressor 400, a heat exchanger 101, a throttling pressure regulating piece and an air energy utilizing piece which are connected with the control element and sequentially communicated, and the control element controls all the parts to work. The refrigerant is sent into the heat exchanger 101 through the compressor 400 and exchanges heat with the heat exchange unit in the heat exchanger 101, the refrigerant after heat exchange enters the throttling pressure regulating part, the throttling pressure regulating part regulates the flow and the pressure of the refrigerant and conveys the refrigerant to the air energy utilization part, the air energy utilization part receives and heats the refrigerant conveyed by the throttling pressure regulating part and conveys the refrigerant after pressure regulation to the compressor to form a circulation passage; the air energy utilization member is used for absorbing air energy so that the temperature of the refrigerant received by the air energy utilization member is increased to a set temperature and then output, the air energy utilization member at least comprises a condenser 102 and a heater 200, and the condenser 102 is used for absorbing the air energy so that the temperature of the refrigerant received by the air energy utilization member is increased to the set temperature and then output to the heater 200.
It should be noted that the single chip microcomputer adopted in the present invention is an application of the prior art, and those skilled in the art can implement the functions to be achieved according to the related description, or implement the technical characteristics to be achieved through the similar techniques, and will not be described in detail here.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (7)
1. The air energy heating device applied to fuel gas peak regulation is characterized by comprising a heat exchange unit and an air energy heat pump unit communicated with the heat exchange unit, wherein the heat exchange unit heats a natural gas pipeline to enable a medium conveyed by the natural gas pipeline to maintain a set temperature, and the air energy heat pump unit supplies heat to the heat exchange unit; the system also comprises a temperature monitoring unit, wherein the temperature monitoring unit is used for monitoring the temperature of a medium in the natural gas pipeline and feeding back the temperature to the air energy heat pump unit; the temperature monitoring unit is also used for monitoring the temperature of a refrigerant in the air energy heat pump unit; the air energy heat pump unit comprises a control element, a compressor, a heat exchanger, a throttling pressure regulating piece and an air energy utilizing piece, wherein the compressor, the heat exchanger, the throttling pressure regulating piece and the air energy utilizing piece are sequentially communicated with the control element, a refrigerant is sent into the heat exchanger through the compressor and is subjected to heat exchange with the heat exchange unit at the heat exchanger, the refrigerant after heat exchange enters the throttling pressure regulating piece, the throttling pressure regulating piece regulates the flow and pressure of the refrigerant and conveys the refrigerant to the air energy utilizing piece, the air energy utilizing piece receives and heats the refrigerant conveyed by the throttling pressure regulating piece and conveys the refrigerant after pressure regulation to the compressor to form a circulation passage, and the control element controls the work of each part.
2. The air energy heating device applied to fuel gas peak regulation as claimed in claim 1, wherein the control element comprises a single chip microcomputer and a plurality of electromagnetic valve groups, the plurality of electromagnetic valve groups are mounted on the circulation passage, and the single chip microcomputer controls the circulation of the refrigerant in the circulation passage through the electromagnetic valve groups.
3. The air energy heating device for peak gas peak regulation according to claim 1, wherein the air energy utilization member is used for absorbing air energy so as to enable the temperature of the refrigerant received by the air energy utilization member to be increased to a set temperature and then output the refrigerant.
4. The air energy heating apparatus for gas peak shaving according to claim 1, wherein the throttle pressure regulator comprises one or more electronic throttle expansion valves.
5. The air energy heating apparatus for peak shaving applications in accordance with any one of claims 1 to 4, wherein the air energy utilization member comprises at least a condenser and a heater.
6. The air energy heating device applied to fuel gas peak regulation according to claim 1, wherein the heat exchange unit comprises a heat exchange pipe and a connecting pipe, the heat exchange pipe is arranged on a natural gas pipeline in a surrounding mode, and the heat exchange pipe is communicated with the air energy heat pump unit through the connecting pipe.
7. The air energy heating apparatus for peak shaving application in gas combustion as claimed in claim 6, wherein the heat exchange pipe and the connection pipe are respectively provided at outer circumferences thereof with heat insulating members for heat insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022473745.3U CN213811163U (en) | 2020-10-30 | 2020-10-30 | Air energy heating device applied to fuel gas peak regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022473745.3U CN213811163U (en) | 2020-10-30 | 2020-10-30 | Air energy heating device applied to fuel gas peak regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213811163U true CN213811163U (en) | 2021-07-27 |
Family
ID=76963478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022473745.3U Active CN213811163U (en) | 2020-10-30 | 2020-10-30 | Air energy heating device applied to fuel gas peak regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213811163U (en) |
-
2020
- 2020-10-30 CN CN202022473745.3U patent/CN213811163U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204923561U (en) | Gas cool and thermal power trigeminy supplies system and liquefied natural gas refrigerating system coupling energy supply system | |
| CN205014679U (en) | Cooling tower waste heat recovery system is united to water resource heat pump | |
| CN107300258B (en) | Low-valley electricity and abandoned wind electricity utilization device based on heat for cascade heat storage | |
| CN106930827B (en) | A kind of cogeneration energy supplying system, method and device | |
| CN202494217U (en) | Direct flow circulation type air energy water heater | |
| CN213811163U (en) | Air energy heating device applied to fuel gas peak regulation | |
| CN209355351U (en) | A kind of high-efficiency heat pump machine set system | |
| WO2022121486A1 (en) | Heating system employing natural gas | |
| CN112197430A (en) | Air energy heating device applied to fuel gas peak regulation | |
| CN107387259B (en) | Heating system, refrigerating system and combined cooling heating and power system | |
| CN202171276U (en) | Stepped heat exchange system of a centralized heat-supply primary heat network according to different heating methods | |
| CN214148132U (en) | Pipeline heat accumulating type air source heat pump secondary heating hot water system | |
| CN214701335U (en) | Multi-energy complementary centralized energy supply station with water source heat pump and gas-fired boiler coupled | |
| CN214065297U (en) | Heating system based on natural gas | |
| CN111188996B (en) | Low-temperature waste heat recovery device of LNG receiving station submerged combustion type gasifier | |
| CN212006199U (en) | Distributed composite energy type central hot water system | |
| CN201145410Y (en) | High-efficiency double-temperature type heat pump water heater | |
| CN112197335A (en) | Pipeline heat storage type instant heating type high-temperature water source heat pump set water heating system | |
| CN202133030U (en) | Heat recovery hot water supply system with auxiliary heat source | |
| CN107560129B (en) | Natural gas heating and air conditioner refrigeration coupling system and method | |
| CN110986385A (en) | Solar energy and gas coupled multi-energy complementary energy supply system | |
| CN220453778U (en) | Energy-saving low-carbon type backwater source heat pump system based on central heating backwater | |
| CN210241722U (en) | Solar air energy and heating system | |
| CN217178686U (en) | Distributed heat storage and cleaning heat supply system combining solar energy | |
| CN108626889A (en) | A kind of distributed multi-generation system coupled with solar energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |