Novel constant-temperature water heating gasifier for fuel gas
By employing a double-layer spiral coil structure and a thermostatic mechanism controlled by a solenoid valve in the gasifier, the problems of unstable water temperature and low heat exchange efficiency are solved, achieving efficient gasification and stable combustion, and reducing equipment maintenance costs.
Patent Information
- Application Number
- CN202520618530.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-03
AI Technical Summary
Existing gas vaporizers for natural gas have problems such as poor water temperature stability, limited heat exchange efficiency, and reliance on manual adjustment, which affect combustion performance and result in high maintenance costs.
The heat exchange pipeline with a double-layer spiral coil structure and a thermostatic mechanism controlled by a solenoid valve, combined with a turbulence generator and a temperature sensor, achieves automatic adjustment of water temperature and vaporization temperature stability.
It improves gasification efficiency, reduces equipment size, facilitates installation and relocation, lowers maintenance costs, and makes combustion more stable, saving fuel gas.
Smart Images

Figure CN223939206U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of gas vaporization technology, specifically relating to a novel constant temperature water heating vaporizer for gas. Background Technology
[0002] When liquefied natural gas (LNG) is used as industrial cutting gas, it needs to be converted from liquefied to gaseous state using a vaporizer. Existing technologies mainly employ two methods:
[0003] Ambient air vaporizer: Vaporization relies on ambient temperature, and its vaporization efficiency is greatly affected by the season. It requires additional auxiliary heating in winter, and the equipment is bulky and occupies a large area.
[0004] Electric heating water bath vaporizer: It maintains water temperature by electric heating, which has high energy consumption, poses a risk of electric leakage, and has high operating costs.
[0005] A prior art patent, CN216976503U, describes a gas-fired circulating water heater vaporizer. This patent includes a circulating water tank with a support leg on one side. A hot water inlet pipe is connected to the upper end of the tank, and an outlet pipe is connected to the lower end. Both the inlet and outlet pipes are equipped with valves. A thermometer is mounted on the outer side of the tank. A curved heat exchange pipe is located inside the tank, with an inlet pipe and an outlet pipe connected to both ends. The air inlet and outlet pipes extend into circulating water tanks respectively; it saves on the cost of air-temperature vaporizers, cuts gas at high temperatures, and has a high vaporization ratio, resulting in better combustion and greater gas savings. However, in actual use, it still has the following shortcomings: From a practical point of view, this patent relies solely on external hot water input and lacks active temperature control, leading to fluctuations in vaporization temperature and affecting combustion performance; furthermore, the heat exchange pipes have a simple curved structure with insufficient heat exchange area, limiting the potential for improving vaporization efficiency; and the related valves require manual operation, cannot respond to temperature changes in real time, and have high maintenance costs.
[0006] Therefore, a new type of constant temperature water heater for gas is needed to solve the problems of poor water temperature stability, limited heat exchange efficiency, and reliance on manual adjustment in the existing technology. Utility Model Content
[0007] The purpose of this invention is to provide a novel constant temperature water heating vaporizer for gas to solve the problems mentioned in the background art.
[0008] To achieve the above objectives, this utility model provides the following technical solution: a novel constant temperature water heater vaporizer for gas, comprising a circulating water tank and a support leg, wherein the support leg is fixedly installed at the bottom of the circulating water tank, a heating vaporization mechanism is provided on the circulating water tank, an inlet pipe is fixedly connected to the top of the circulating water tank, an outlet pipe is fixedly connected to the bottom of the circulating water tank, a constant temperature mechanism is also provided on the circulating water tank, a first solenoid valve is fixedly installed on the inlet pipe, and a second solenoid valve is fixedly installed on the outlet pipe.
[0009] The heating and vaporization mechanism includes an air inlet, a heat exchange pipeline, a turbulence generator, and an air outlet. The air inlet and the air outlet are fixedly connected to the upper and lower parts of the circulating water tank, respectively. The heat exchange pipeline is connected to the air inlet and the air outlet through the turbulence generator and is located inside the circulating water tank. Two turbulence generators are provided and are respectively located at the connection points between the air inlet and the air outlet and the heat exchange pipeline.
[0010] It should be noted in the plan that the heat exchange pipeline is a double-layer spiral coil structure.
[0011] It is worth noting that the heat exchange pipeline includes an inner layer and an outer layer. The inner layer is made of stainless steel, and the outer layer is made of copper and covers the outside of the inner layer.
[0012] Furthermore, it should be noted that the constant temperature mechanism includes a heating plate, a controller, and a temperature sensor. The heating plate is fixedly installed inside the wall of the circulating water tank, the controller is fixedly installed on the outer surface of the circulating water tank, and the temperature sensor is fixedly installed inside the circulating water tank. The controller is electrically connected to the heating plate and the temperature sensor respectively.
[0013] In a preferred embodiment, both the first solenoid valve and the second solenoid valve are electrically connected to the controller.
[0014] Compared with the prior art, the novel constant temperature water heating vaporizer for gas provided by this utility model has at least the following beneficial effects:
[0015] (1) By setting up the heating and vaporization mechanism, the heat exchange pipeline is optimized into a double-layer spiral coil design to increase the heat exchange area and improve the vaporization efficiency. It is suitable for high flow rate demand scenarios. Furthermore, the pipeline layout is optimized, and the equipment volume is smaller than that of traditional air-temperature vaporizers, making it easier to install and move. At the same time, the setting of solenoid valves reduces manual intervention and lowers maintenance costs.
[0016] (2) By setting a constant temperature mechanism, the constant temperature control reduces the temperature fluctuation range of the gas outlet, thereby making the combustion more stable and saving gas. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0018] Figure 2 This is a schematic diagram of the internal cross-sectional structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the internal structure of the present invention;
[0020] Figure 4 This is a schematic diagram of the heat exchange pipeline structure of this utility model.
[0021] In the diagram: 1. Circulating water tank; 2. Support leg; 3. Heating and vaporization mechanism; 301. Air inlet; 302. Heat exchange pipeline; 3021. Inner layer of pipeline; 3022. Outer layer of pipeline; 303. Turbulence generator; 304. Air outlet; 4. Water inlet pipe; 5. Water outlet pipe; 6. Thermostatic mechanism; 601. Heating plate; 602. Controller; 603. Temperature sensor; 7. First solenoid valve; 8. Second solenoid valve. Detailed Implementation
[0022] The present invention will be further described below with reference to the embodiments.
[0023] Please see Figure 1-4 This utility model provides a novel constant temperature water heater vaporizer for gas, including a circulating water tank 1 and a support leg 2. The support leg 2 is fixedly installed at the bottom of the circulating water tank 1. A heating vaporization mechanism 3 is provided on the circulating water tank 1. A water inlet pipe 4 is fixedly connected to the top of the circulating water tank 1. A water outlet pipe 5 is fixedly connected to the bottom of the circulating water tank 1. A constant temperature mechanism 6 is also provided on the circulating water tank 1. A first solenoid valve 7 is fixedly installed on the water inlet pipe 4. A second solenoid valve 8 is fixedly installed on the water outlet pipe 5.
[0024] Further as Figure 2 , Figure 3 and Figure 4 As shown, it is worth noting that the heating and vaporization mechanism 3 includes an air inlet 301, a heat exchange pipeline 302, a turbulence generator 303, and an air outlet 304. The air inlet 301 and the air outlet 304 are fixedly connected to the upper and lower parts of the circulating water tank 1, respectively. The heat exchange pipeline 302 is connected to the air inlet 301 and the air outlet 304 through the turbulence generator 303 and is located inside the circulating water tank 1. Two turbulence generators 303 are provided and are respectively located at the connection between the air inlet 301 and the air outlet 304 and the heat exchange pipeline 302.
[0025] In use, by connecting the gas delivery pipeline to the inlet 301, the turbulence 303 can enhance the airflow disturbance and improve the heat exchange efficiency in the heat exchange pipeline 302. The gasified gas is then used through the outlet 304.
[0026] Further as Figure 4As shown, it is worth noting that the heat exchange pipeline 302 is a double-layer spiral coil structure. The heat exchange pipeline 302 includes an inner layer 3021 and an outer layer 3022. The inner layer 3021 is made of stainless steel, and the outer layer 3022 is made of copper and covers the outside of the inner layer 3021.
[0027] In use, liquefied natural gas is introduced through the double-layer spiral heat exchange pipeline 302. The outer layer 3022 of the copper pipeline accelerates heat conduction, and the turbulence generator 303 promotes the airflow to fully contact the pipe wall, thereby improving its gasification efficiency.
[0028] As can be seen from the above working process: by setting the heating and vaporization mechanism 3, the heat exchange pipeline 302 is optimized into a double-layer spiral coil design to increase the heat exchange area and improve the vaporization efficiency, which is suitable for high flow rate demand scenarios. In addition, the pipeline layout is optimized, and the equipment volume is smaller than that of traditional air-temperature vaporizers, making it easier to install and move. At the same time, the setting of solenoid valves reduces manual intervention and lowers maintenance costs.
[0029] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth noting that the constant temperature mechanism 6 includes a heating plate 601, a controller 602, and a temperature sensor 603. The heating plate 601 is fixedly installed inside the wall of the circulating water tank 1, the controller 602 is fixedly installed on the outer surface of the circulating water tank 1, and the temperature sensor 603 is fixedly installed inside the circulating water tank 1. The controller 602 is electrically connected to the heating plate 601 and the temperature sensor 603 respectively. The first solenoid valve 7 and the second solenoid valve 8 are both electrically connected to the controller 602.
[0030] In use, the controller 602, in conjunction with the operation of the heating plate 601 and the temperature sensor 603, can monitor and adjust the temperature of the hot water in the circulating water tank 1 in real time, thereby improving the temperature stability of the hot water and ensuring that the gas can be stably heated and vaporized. Its constant temperature control reduces the temperature fluctuation range of the gas at the outlet 304, thus making the combustion more stable and saving gas.
[0031] This solution has the following working process: When this device is in use, the inlet pipe 4 and outlet pipe 5 are connected to their respective pipes, the circulating water tank 1 is fixed by the support leg 2, the hot water inlet pipe 4 is connected to the factory boiler circulating water, and the outlet pipe 5 is connected to the return water system, thus delivering water to the circulating water tank 1 for constant temperature water heating. Simultaneously, the first solenoid valve 7 and the second solenoid valve 8 installed on the inlet pipe 4 and outlet pipe 5 ensure a constant flow of hot water in the circulating water tank 1. Furthermore, through the controller 602, in conjunction with the operation of the heating plate 601 and the temperature sensor 603, the circulating water temperature can be monitored in real time. The temperature of the hot water in the annular water tank 1 is monitored and regulated to improve the temperature stability of the hot water, ensuring stable heating and vaporization of the gas, resulting in more stable combustion and saving gas. At this time, by connecting the gas delivery pipeline to the inlet 301, the turbulence device 303 enhances the airflow disturbance and improves the heat exchange efficiency in the heat exchange pipeline 302. The vaporized gas is used through the outlet 304. Liquefied natural gas is introduced through the double-layer spiral heat exchange pipeline 302. The outer layer 3022 of the copper pipeline accelerates heat conduction, and the turbulence device 303 promotes full contact between the airflow and the pipe wall, improving its vaporization efficiency.
[0032] In summary: By incorporating the heating and vaporization mechanism 3, the heat exchange pipeline 302 is optimized with a double-layer spiral coil design to increase the heat exchange area and improve vaporization efficiency, making it suitable for high-flow-rate applications. Furthermore, the optimized pipeline layout reduces the equipment size compared to traditional air-temperature vaporizers, facilitating installation and relocation. Additionally, the solenoid valve design reduces manual intervention and lowers maintenance costs. The thermostatic mechanism 6 ensures stable temperature control, minimizing gas temperature fluctuations at the outlet 304 and resulting in more stable combustion and fuel savings.
[0033] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A novel constant-temperature water heating vaporizer for gas, comprising a circulating water tank (1) and a support leg (2), wherein the support leg (2) is fixedly installed at the bottom of the circulating water tank (1), characterized in that: The circulating water tank (1) is equipped with a heating and vaporization mechanism (3), the top of the circulating water tank (1) is fixedly connected to a water inlet pipe (4), the bottom of the circulating water tank (1) is fixedly connected to a water outlet pipe (5), the circulating water tank (1) is also equipped with a constant temperature mechanism (6), the water inlet pipe (4) is fixedly installed with a first solenoid valve (7), and the water outlet pipe (5) is fixedly installed with a second solenoid valve (8). The heating and vaporization mechanism (3) includes an air inlet (301), a heat exchange pipeline (302), a turbulence generator (303), and an air outlet (304). The air inlet (301) and the air outlet (304) are fixedly connected to the upper and lower parts of the circulating water tank (1), respectively. The heat exchange pipeline (302) is connected to the air inlet (301) and the air outlet (304) through the turbulence generator (303) and is located inside the circulating water tank (1). There are two turbulence generators (303) and they are respectively located at the connection between the air inlet (301) and the air outlet (304) and the heat exchange pipeline (302).
2. The novel constant-temperature water heating vaporizer for gas as described in claim 1, characterized in that: The heat exchange pipeline (302) is a double-layer spiral coil structure.
3. A novel constant-temperature water-heated vaporizer for gas as described in claim 2, characterized in that: The heat exchange pipeline (302) includes an inner layer (3021) and an outer layer (3022). The inner layer (3021) is made of stainless steel, and the outer layer (3022) is made of copper and covers the outside of the inner layer (3021).
4. A novel constant-temperature water heating vaporizer for gas as described in claim 3, characterized in that: The constant temperature mechanism (6) includes a heating plate (601), a controller (602), and a temperature sensor (603). The heating plate (601) is fixedly installed inside the wall of the circulating water tank (1). The controller (602) is fixedly installed on the outer surface of the circulating water tank (1). The temperature sensor (603) is fixedly installed inside the circulating water tank (1). The controller (602) is electrically connected to the heating plate (601) and the temperature sensor (603) respectively.
5. A novel constant-temperature water-heated vaporizer for gas as described in claim 4, characterized in that: The first solenoid valve (7) and the second solenoid valve (8) are both electrically connected to the controller (602).