Natural gas heating device
The natural gas heating device addresses inefficiencies by implementing real-time monitoring and adjustment through sensors and control valves, improving combustion efficiency and reducing emissions.
Patent Information
- Application Number
- CN202421423428.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-06-21
AI Technical Summary
Traditional natural gas heating devices lack real-time monitoring and adjustment capabilities, leading to inefficient combustion, high energy consumption, and increased emissions.
A natural gas heating device equipped with sensors and valves to monitor and adjust combustion parameters in real-time, including temperature, pressure, and oxygen content, utilizing a network of sensors and control valves to stabilize gas flow and pressure.
Enhances combustion efficiency, reduces energy consumption, and decreases emissions by dynamically adjusting to environmental and operational changes.
Smart Images
Figure CN222186626U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of natural gas heating equipment, in particular to a natural gas heating device. Background Art
[0002] In traditional natural gas heating devices, combustion efficiency is often limited by the limitations of technology and equipment. These limitations are mainly manifested in the following aspects: traditional natural gas heating devices generally lack real-time monitoring and adjustment. Most old natural gas heating devices lack efficient monitoring systems and cannot monitor combustion status and environmental changes in real time, such as temperature, pressure, and oxygen content in the combustion chamber. Without these key data, it is difficult for the equipment to effectively control and adjust combustion, resulting in low combustion efficiency. Traditional natural gas heating devices not only consume more energy, but also produce more emissions, such as carbon dioxide and incompletely burned hydrocarbons. These emissions have a serious impact on the environment. Utility Model Content
[0003] The utility model aims to solve the technical problem of providing a natural gas heating device which can monitor in real time and adjust the heating device according to the monitored values.
[0004] In order to solve the above technical problems, the technical solution of a natural gas heating device of the utility model is:
[0005] The invention comprises a combustion furnace body and a combustion unit connected with the combustion furnace body, wherein natural gas is introduced into the combustion unit and burns in the combustion chamber of the combustion furnace body, wherein a temperature sensor, a pressure sensor and an oxygen content sensor are installed in the combustion chamber; the combustion unit comprises a natural gas main pipeline; one end of the natural gas main pipeline is used to connect natural gas, and the other end is connected to the inlet of the combustion chamber, and a bypass pipeline is connected in the middle of the natural gas main pipeline; one end of the bypass pipeline is connected to the middle of the natural gas main pipeline, and the other end is connected to the inlet of the combustion chamber; the natural gas main pipeline is sequentially equipped with an inlet ball valve, a first pressure gauge, a first pressure regulator, a first pressure switch, a flow control valve, a second pressure switch, a first electric butterfly valve, a third pressure switch, a second pressure gauge and a main pipeline ball valve from the end connected to the natural gas to the inlet end connected to the combustion chamber; the bypass pipeline is sequentially equipped with a second pressure regulator, a third pressure gauge, a solenoid valve, a stop valve and a bypass ball valve from the end connected to the natural gas main pipeline to the end connected to the combustion chamber; the combustion chamber is externally connected to a fan through a connecting pipeline; a fourth pressure gauge and a second electric butterfly valve are installed on the connecting pipeline; and the connecting pipeline is also externally connected to a fourth pressure switch.
[0006] The natural gas main pipeline is connected to a filter located behind the inlet ball valve at its natural gas connection end.
[0007] The natural gas main pipeline is also connected to a flow meter at its natural gas connection end; the flow meter is located behind the filter.
[0008] A smoke sensor is connected in the combustion chamber.
[0009] There are two smoke sensors connected in the combustion chamber.
[0010] Two solenoid valves are connected to the side pipe.
[0011] The technical effect that the utility model can achieve is: the utility model provides a natural gas heating device, which can monitor the temperature, pressure and oxygen content in the combustion chamber in real time through a temperature sensor, a pressure sensor and an oxygen content sensor, monitor the pressure in the natural gas main pipeline through a first pressure gauge and a second pressure gauge, monitor the pressure in the side pipeline in real time through a third pressure gauge, and monitor the pressure in the connecting pipeline in real time through a fourth pressure gauge; after obtaining the above-mentioned detection data, the natural gas flow of the natural gas main pipeline is adjusted through the inlet ball valve, the flow control valve, the main pipeline ball valve and the first electric butterfly valve, the pressure of the natural gas main pipeline is adjusted by the first pressure regulator, the natural gas flow of the side pipeline is adjusted by the solenoid valve, the stop valve and the bypass ball valve, the pressure of the side pipeline is adjusted by the second pressure regulator, and the air flow in the connecting pipeline is adjusted by the second electric butterfly valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0013] Figure 1 This is a structural schematic diagram of a natural gas heating device of the utility model;
[0014] Figure 2 This is a structural schematic diagram of a combustion unit of a natural gas heating device of the utility model;
[0015] Figure 3 The utility model is a connection schematic diagram of a natural gas heating device. DETAILED DESCRIPTION
[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0017] See also Figures 1 to 3 .
[0018] A natural gas heating device comprises a combustion furnace body 1 and a combustion unit 2 connected to the combustion furnace body 1, natural gas is introduced into the combustion unit 2 and burns in a combustion chamber 31 of the combustion furnace body 1, a temperature sensor 4, a pressure sensor 5 and an oxygen content sensor 6 are installed in the combustion chamber 31, and the temperature sensor 4, the pressure sensor 5 and the oxygen content sensor 6 are respectively used to detect the temperature, pressure and oxygen content in the combustion chamber 31 in real time; the combustion unit 2 comprises a natural gas main pipeline 41, one end of the natural gas main pipeline 41 is used to connect natural gas, and the other end is connected to the inlet of the combustion chamber 31, and a bypass pipeline 42 is connected to the middle of the natural gas main pipeline 41, one end of the bypass pipeline 42 is connected to the middle of the natural gas main pipeline 41, and the other end is connected to the inlet of the combustion chamber 31; specifically, a smoke sensor 7 is connected in the combustion chamber 31, and there are two smoke gas sensors 7 connected in the combustion chamber 31, and the smoke sensor 7 is a device for detecting smoke and harmful gases. When the smoke sensor 7 detects that the smoke or harmful gases exceed the set safety threshold, it will automatically trigger an alarm device to remind personnel to take measures.
[0019] The natural gas main pipeline 41 is installed with an inlet ball valve 23, a first pressure gauge 18, a first pressure regulator 21, a first pressure switch 22, a flow control valve 11, a second pressure switch 28, a first electric butterfly valve 10, a third pressure switch 9, a second pressure gauge 8 and a main pipeline ball valve 26 in sequence from the end connected to the natural gas to the inlet end connected to the combustion chamber 31; specifically, the natural gas main pipeline 41 is connected to the natural gas end with a filter 20 located behind the inlet ball valve 23, and the natural gas main pipeline 41 is also connected to the natural gas end with a flow meter 19, and the flow meter 19 is located behind the filter 20.
[0020] The natural gas intake of the utility model is controlled by the inlet ball valve 23 (the inlet ball valve 23 is used to adjust the natural gas flow rate of the natural gas main pipeline 41). After being filtered by the filter medium inside the filter 20, impurities and particulate matter in the natural gas are intercepted to ensure that the filtered natural gas is pure. The filtered natural gas then enters the flow meter 19. In this embodiment, the function of the flow meter 19 is to accurately measure and monitor the flow rate of the natural gas in the natural gas main pipeline 41 to ensure that the gas supply during the combustion process is always accurate and stable. The first pressure gauge 18 is connected to the flow meter 19 to monitor the pressure of the natural gas in the natural gas main pipeline 41. The first pressure gauge 18 can provide real-time pressure data The first pressure regulator 21 can not only adjust the pressure, but also stabilize the pressure of the gas in the natural gas main pipeline 41. During the combustion process, the supply pressure of the natural gas in the natural gas main pipeline 41 may fluctuate due to changes in the external environment or the operating state of the equipment, and the first pressure regulator 21 automatically adjusts the gas pressure in the natural gas main pipeline 41 to maintain a constant level, thereby ensuring the stability and continuity of the combustion process. The first pressure switch 22 is located before the flow control valve 11, and the second pressure switch 28 is located after the flow control valve 11. When the pressure of the natural gas main pipeline 41 exceeds or falls below the set safety range, the first pressure switch 22 and the second pressure switch 28 will The alarm device is triggered to remind the operator to check and deal with it in time; the flow control valve 11 is responsible for controlling the natural gas flow entering the combustion chamber 31. By adjusting the natural gas flow, the flow control valve 11 ensures that the gas supply during the combustion process is always stable, thereby maintaining a stable combustion state in the combustion chamber and preventing incomplete combustion or combustion fluctuations; the flow control valve 11 can dynamically adjust the mixing ratio of gas and air according to real-time monitoring data, optimize combustion efficiency, reduce energy consumption, and improve energy utilization; the flow control valve 11 can be dynamically adjusted according to real-time data such as temperature, pressure, and oxygen content in the combustion chamber 31, and quickly respond to changes in environmental and operating conditions to ensure that the combustion process is always stable. Operate in the best state; the next is the first electric butterfly valve 10, through which the flow of natural gas in the natural gas main pipeline 41 can be controlled, which is used to adjust the operating state of the system; the third pressure switch 9 has the same function as the above-mentioned first pressure switch 22 and the second pressure switch 28. When the pressure exceeds or falls below the set safety range, the third pressure switch 9 will trigger the alarm device; the second pressure gauge 8 has the same function as the above-mentioned first pressure gauge 18, and is used to monitor the pressure situation in the natural gas main pipeline 41; the main pipeline ball valve 26 has good sealing performance, can effectively prevent leakage, is suitable for high pressure and high temperature environments, and is used to control the natural gas flow of the natural gas main pipeline 41.
[0021] The bypass pipe 42 is installed with a second pressure regulator 17, a third pressure gauge 27, a solenoid valve 16, a stop valve 15 and a bypass ball valve 29 in sequence from the end connected to the natural gas main pipe 41 to the end connected to the combustion chamber 31; specifically, two solenoid valves 16 are connected to the bypass pipe 42; the second pressure regulator 17 can not only adjust the pressure of the bypass pipe 42, but also stabilize the gas pressure of the bypass pipe 42. During the combustion process, the supply pressure of the natural gas may fluctuate due to changes in the external environment or the operating state of the equipment, and the second pressure regulator 17 automatically adjusts the gas pressure in the bypass pipe 42 to maintain a constant level, ensuring the stability and continuity of the combustion process; the third pressure gauge 27 is used to monitor the bypass pipe 42. 42, the third pressure gauge 27 can provide real-time pressure data; connected to the third pressure gauge 27 are two solenoid valves 16, the solenoid valve is a mechanical device using electromagnetic control, used to control the flow of natural gas in the bypass pipe 42, with the advantages of fast response speed, precise control, easy use, etc.; the stop valve 15 is a valve used to control the passage of natural gas in the bypass pipe 42, usually used to completely close or completely open the natural gas in the pipeline, the stop valve 15 controls the flow of natural gas in the bypass pipe 42 by rotating the valve stem to make the sealing surface between the valve disc and the valve seat in close contact or separation; connected to the stop valve 15 is a bypass ball valve 29, the bypass ball valve 29 is used to control the natural gas flow of the bypass pipe 42.
[0022] The combustion chamber 31 is externally connected to the fan 25 through a connecting pipe 43, and a fourth pressure gauge 24 and a second electric butterfly valve 12 are installed on the connecting pipe 43. The connecting pipe 43 is also externally connected to a fourth pressure switch 13; during the natural gas combustion process, the fan 25 is required to provide necessary air to ensure sufficient and stable combustion. The fourth pressure gauge 24 connected to the fan 25 is used to monitor the air pressure in the connecting pipe 43; connected to the fourth pressure gauge 24 is the fourth pressure switch 13. When the pressure in the system exceeds or falls below the set safety range, the fourth pressure switch 13 will trigger the alarm device to remind the operator to check and handle it in time; connected to the fourth pressure switch 13 is the second electric butterfly valve 12. The electric butterfly valve 12 can be used to control the air flow in the connecting pipe 43 to adjust the operating state of the system.
Claims
1. A natural gas heating device, comprising a combustion furnace body (1) and a combustion unit (2) connected to the combustion furnace body (1), wherein natural gas is introduced into the combustion unit (2) and burns in a combustion chamber (31) of the combustion furnace body (1), characterized in that: A temperature sensor (4), a pressure sensor (5) and an oxygen content sensor (6) are installed in the combustion chamber (31); the combustion unit (2) comprises a natural gas main pipeline (41); one end of the natural gas main pipeline (41) is used to connect natural gas, and the other end is connected to the inlet of the combustion chamber (31); the middle of the natural gas main pipeline (41) is connected to a bypass pipeline (42); one end of the bypass pipeline (42) is connected to the middle of the natural gas main pipeline (41), and the other end is connected to the inlet of the combustion chamber (31); the natural gas main pipeline (41) is installed with an inlet ball valve (23), a first pressure gauge (18), a first pressure regulator (21), a first pressure switch, etc. in sequence from the end connected to the natural gas to the inlet end connected to the combustion chamber (31). (22), a flow control valve (11), a second pressure switch (28), a first electric butterfly valve (10), a third pressure switch (9), a second pressure gauge (8) and a main pipeline ball valve (26); the bypass pipeline (42) is sequentially installed with a second pressure regulator (17), a third pressure gauge (27), a solenoid valve (16), a stop valve (15) and a bypass ball valve (29) from the end connected to the natural gas main pipeline (41) to the end connected to the combustion chamber (31); the combustion chamber (31) is externally connected to a fan (25) through a connecting pipeline (43); a fourth pressure gauge (24) and a second electric butterfly valve (12) are installed on the connecting pipeline (43); and the connecting pipeline (43) is also externally connected to a fourth pressure switch (13).
2. A natural gas heating device according to claim 1, characterized in that: The natural gas main pipeline (41) is connected to a filter (20) located behind the inlet ball valve (23) at its natural gas connection end.
3. A natural gas heating device according to claim 2, characterized in that: The natural gas main pipeline (41) is also connected to a flow meter (19) at its natural gas connection end; the flow meter (19) is located behind the filter (20).
4. A natural gas heating device according to claim 1, characterized in that: A smoke sensor (7) is connected inside the combustion chamber (31).
5. A natural gas heating device according to claim 4, characterized in that: There are two smoke sensors (7) connected to the combustion chamber (31).
6. A natural gas heating device according to claim 1, characterized in that: The bypass pipe (42) is connected to two solenoid valves (16).