Special gas temperature control supply equipment
By using spiral coils and electric heating rods to heat the heat transfer oil in the gas conveying equipment, combined with a filter screen and impeller brush structure, the problem of temperature drop during gas conveying is solved, thereby improving gas heating efficiency and purity, while ensuring equipment safety.
Patent Information
- Application Number
- CN202520512850.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing gas conveying equipment experiences a significant temperature drop during decompression, resulting in low heating efficiency and complexity, and poses a risk of liquefaction, especially in high-flow-rate conveying.
The heating system uses a spiral coil and electric heating rod in the heating tank combined with heat transfer oil for heating. The heating temperature is controlled by a controller. A filter screen and impeller brush structure are installed in the connecting cylinder to achieve gas filtration and cleaning.
It achieves effective control of gas temperature and improves heating efficiency, enhances gas purity, and ensures safe operation of the equipment through warning devices.
Smart Images

Figure CN223770587U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gas delivery technology, specifically to a special gas temperature control supply device. Background Technology
[0002] Specialty gases are diverse and can generally be categorized into electronic gases, standard gases, environmental gases, medical gases, welding gases, and sterilizing gases. These gases are widely used in electronics, power, petrochemicals, mining, steel, non-ferrous metal smelting, thermal engineering, biochemistry, environmental monitoring, medical research and diagnosis, food preservation, and other fields. Currently, some gases require heating during transportation due to their inherent properties, especially in high-flow-rate conveying equipment. When the gas passes through a pressure regulating valve, its pressure drops significantly, and after depressurization, its temperature decreases, and it may even liquefy.
[0003] Chinese Patent Publication No. CN220792816U discloses a special gas supply device that is easy to maintain, relating to the field of special gas supply technology. The proposed solution includes a main body and a control mechanism on the main body. The control mechanism includes a lifting assembly and a sealing assembly. The lifting assembly includes a guide groove, a lifting mechanism, and a gas cylinder. The bottom of the main body has a guide groove, the lifting mechanism is installed inside the guide groove, and the gas cylinder is located on the top of the lifting mechanism. The sealing assembly includes a bottle mouth, a sealing ring, and a connecting pipe. The top of the gas cylinder has a bottle mouth, and a sealing ring is located on the outside of the bottle mouth.
[0004] However, the inventor of the above-mentioned device believes that there are certain defects. The above-mentioned device heats the special gas by heating the cylinder or by using heat tracing the pipeline. These heating methods are complicated to use and have low heating efficiency. Therefore, this utility model provides a special gas temperature control supply device. Utility Model Content
[0005] The purpose of this invention is to provide a special gas temperature control supply device to solve the problems raised in the prior art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a special gas temperature control and supply device, comprising a heating tank and a connecting cylinder. A heating inner cylinder is fixedly connected inside the heating tank. A spiral coil and an electric heating rod are fixedly connected inside the heating inner cylinder. The heating inner cylinder is filled with heat-conducting oil. Both ends of the spiral coil extend to the outside of the heating tank. An inlet pipe and an outlet pipe are respectively provided at both ends of the spiral coil. One end of the inlet pipe is connected to the connecting cylinder. A filter screen for gas filtration is fixedly connected to the inner wall of the connecting cylinder. One end of the inlet pipe is connected to the interior of the filter screen. A gas delivery pipe is fixedly connected to the other end of the connecting cylinder. A controller is fixedly connected to the top of the heating tank. The electric heating rod is electrically connected to the controller.
[0007] Preferably, a support frame is fixedly connected inside the heating tank, an impeller is rotatably connected to the support frame, a rotating frame is fixedly connected to the shaft end of the impeller, and a brush for cleaning the outer surface of the filter screen cylinder is fixedly connected to the rotating frame. When gas is filled into the connecting cylinder, it blows the impeller to rotate, thereby driving the rotating frame to rotate around the filter screen cylinder, and the brush on the rotating frame cleans it.
[0008] Preferably, the bottom of the connecting cylinder is fixedly connected to a slag discharge port, and the bottom of the slag discharge port is detachably connected to a baffle, so that the cleaned impurities can be discharged by opening the baffle at the bottom of the slag discharge port.
[0009] Preferably, a top pipe is fixedly connected to the connecting cylinder, a piston plate is slidably connected inside the top pipe, a top rod is fixedly connected to the top of the piston plate, and a push switch is fixedly connected to the inner top wall of the top pipe. The push switch is electrically connected to the controller. When the pressure inside the connecting cylinder is large, it pushes the piston plate to slide upward, and the push rod squeezes the sensing end of the push switch, so that the push switch transmits an electrical signal to the inside of the controller.
[0010] Preferably, the top of the piston plate and the inner bottom wall of the top tube are connected by a spring. A warning light is fixedly connected to the top of the top tube. The warning light is electrically connected to the controller. When the switch is pressed to transmit an electrical signal to the controller, the controller controls the warning light to light up to achieve a warning effect.
[0011] Preferably, a temperature sensor is fixedly connected inside the heating inner cylinder, and the temperature sensor is electrically connected to the controller to monitor the temperature inside the heating inner cylinder.
[0012] Preferably, the bottom of the heating tank is fixedly connected to an oil drain pipe that communicates with the inside of the heating inner cylinder, and a solenoid valve is fixedly connected to the gas supply pipe. By opening the bottom of the oil drain pipe, the heat-conducting oil inside the heating inner cylinder can be discharged, and the gas flow is controlled by the solenoid valve.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] 1. This application heats the heat transfer oil inside the heating inner cylinder by activating an electric heating rod, thereby heating the gas flowing through the spiral coil. The heating temperature of the electric heating rod is controlled by a controller. The gas flows into the connecting cylinder between the spiral coil and the connecting cylinder, and is filtered by a filter screen inside the connecting cylinder to prevent impurities in the gas from affecting the heating effect and to improve the purity of the gas.
[0015] 2. This application uses an impeller to drive the gas to rotate when it is filled into the connecting cylinder through the gas supply pipe. This causes the rotating frame to rotate around the filter cylinder, and the brush on the rotating frame cleans the surface of the filter cylinder.
[0016] 3. This application uses the top pipe, piston plate, push switch, spring and warning light to make the internal pressure of the connecting cylinder too high, and control the warning light to light up to serve as a warning. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural view of the special gas temperature control supply device of this utility model;
[0018] Figure 2 A three-dimensional cross-sectional view of the heating inner cylinder of the special gas temperature control supply device of this utility model;
[0019] Figure 3 A sectional perspective view of the connecting cylinder of the special gas temperature control supply device of this utility model;
[0020] Figure 4 A perspective cross-sectional view of the jacking pipe of the special gas temperature control supply equipment of this utility model;
[0021] Figure 5 This is a schematic diagram of the controller for the special gas temperature control supply equipment of this utility model.
[0022] The following are the labels in the diagram: 1. Heating tank; 2. Heating inner cylinder; 21. Electric heating rod; 22. Controller; 23. Temperature sensor; 24. Oil drain pipe; 3. Spiral coil; 31. Air inlet pipe; 32. Exhaust pipe; 4. Connecting cylinder; 41. Slag discharge port; 5. Gas delivery pipe; 6. Filter screen cylinder; 7. Impeller; 71. Rotating frame; 8. Top pipe; 81. Piston plate; 82. Top rod; 83. Press switch; 84. Spring; 9. Warning light. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The special gas temperature control supply equipment includes a heating tank 1 and a connecting cylinder 4. A heating inner cylinder 2 is fixedly connected inside the heating tank 1. A spiral coil 3 and an electric heating rod 21 are fixedly connected inside the heating inner cylinder 2. The heating inner cylinder 2 is filled with heat-conducting oil. The spiral coil 3 is spiral in shape. By activating the electric heating rod 21, the heat-conducting oil inside the heating inner cylinder 2 is heated, thereby heating the gas inside the spiral coil 3. The heat-conducting oil and the spiral coil 3 are fully in contact, resulting in uniform heating.
[0025] Please refer to it again. Figure 1 and Figure 2 Both ends of the spiral coil 3 extend to the outside of the heating tank 1. The two ends of the spiral coil 3 are respectively provided with an air inlet pipe 31 and an exhaust pipe 32. Gas flows into the interior of the spiral coil 3 through the air inlet pipe 31 and is finally discharged through the exhaust pipe 32 for supply.
[0026] Please refer to it again. Figure 1 and Figure 3 One end of the air inlet pipe 31 is connected to the connecting cylinder 4. A filter screen cylinder 6 for filtering gas is fixedly connected to the inner wall of the connecting cylinder 4. One end of the air inlet pipe 31 is connected to the inside of the filter screen cylinder 6. The filter screen cylinder 6 is cylindrical and filters impurities in the gas to prevent impurities in the gas from affecting the heating effect. The other end of the connecting cylinder 4 is fixedly connected to the gas supply pipe 5. The bottom of the heating tank 1 is fixedly connected to the oil drain pipe 24, which is connected to the inside of the heating inner cylinder 2. The oil drain pipe 24 facilitates the discharge of heat transfer oil. A solenoid valve is fixedly connected to the gas supply pipe 5. Under the action of the solenoid valve, the gas flow inside the gas supply pipe 5 is easily controlled. The gas is filled into the inside of the connecting cylinder 4 through the gas supply pipe 5.
[0027] Please refer to it again. Figure 1 and Figure 3The heating tank 1 is fixedly connected to a support frame, and an impeller 7 is rotatably connected to the support frame. The shaft end of the impeller 7 is fixedly connected to a rotating frame 71, and a brush for cleaning the outer surface of the filter cylinder 6 is fixedly connected to the rotating frame 71. When gas is filled into the connecting cylinder 4 through the gas supply pipe 5, it blows the impeller 7 to rotate, and the brush on the rotating frame 71 cleans the outer surface of the filter cylinder 6. The bottom of the connecting cylinder 4 is fixedly connected to a slag discharge port 41, and a cover is detachably connected to the bottom of the slag discharge port 41. By opening the cover at the bottom of the slag discharge port 41, it is easy to discharge impurities inside the connecting cylinder 4.
[0028] Please refer to it again. Figure 1 and Figure 2 A controller 22 is fixedly connected to the top of the heating tank 1, and a temperature sensor 23 is fixedly connected to the inside of the heating inner cylinder 2. The electric heating rod 21 is electrically connected to the controller 22, and the temperature sensor 23 is electrically connected to the controller 22. The controller 22 controls the start of the electric heating rod 21 and controls the temperature of the electric heating rod 21. The temperature sensor 23 monitors the temperature inside the heating inner cylinder 2 and transmits the signal to the inside of the controller 22 so as to control the heating temperature of the electric heating rod 21.
[0029] Please refer to it again. Figure 1 , Figure 3 and Figure 4 A jacking pipe 8 is fixedly connected to the connecting cylinder 4. A piston plate 81 is slidably connected inside the jacking pipe 8. A push rod 82 is fixedly connected to the top of the piston plate 81. A push switch 83 is fixedly connected to the inner top wall of the jacking pipe 8. The push switch 83 is electrically connected to the controller 22. When the gas pressure inside the connecting cylinder 4 is high, it pushes the piston plate 81 to slide upward inside the jacking pipe 8. The push rod 82 squeezes the push switch 83, and the push switch 83 transmits an electrical signal to the inside of the controller 22. The top of the piston plate 81 and the inner bottom wall of the jacking pipe 8 are connected by a spring 84. A warning light 9 is fixedly connected to the top of the jacking pipe 8. The warning light 9 is electrically connected to the controller 22. The controller 22 controls the warning light 9 to light up to provide a warning and alarm function.
[0030] Working principle: One end of the gas supply pipe 5 is connected to the gas supply pipe, and the other end of the exhaust pipe 32 is connected to the gas supply end. Gas is transported through the gas supply pipe 5 to the inside of the connecting cylinder 4. The gas is filtered by the filter screen 6 inside the connecting cylinder 4 to remove impurities. Then, the gas is transported to the inside of the spiral coil 3 through the inlet pipe 31. The heat transfer oil inside the heating inner cylinder 2 is heated by activating the electric heating rod 21. The heated heat transfer oil then heats the gas inside the spiral coil 3. The temperature sensor 23 controls the temperature. The temperature of the heat transfer oil inside the heating inner cylinder 2 is monitored. The heated gas is supplied through the exhaust pipe 32. When the gas is filled into the connecting cylinder 4 through the gas supply pipe 5, it blows the impeller 7 to rotate. The brush on the rotating frame 71 cleans the outer surface of the filter screen cylinder 6. When the gas pressure inside the connecting cylinder 4 is too high, it pushes the piston plate 81 to slide upward. The push rod 82 squeezes the press switch 83. The press switch 83 transmits an electrical signal to the controller 22. The controller 22 controls the warning light 9 to light up to provide a warning effect.
[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. Special gas temperature control supply apparatus, characterized by: The utility model provides a heating tank (1) and connecting cylinder (4) including, the inside fixed connection of heating tank (1) has heating inner tube (2), the inside fixed connection of heating inner tube (2) has spiral coil pipe (3) and electric heating rod (21), the inside of heating inner tube (2) is filled with heat conducting oil, both ends of spiral coil pipe (3) all extend to the outside of heating tank (1), both ends of spiral coil pipe (3) are equipped with air inlet pipe (31) and exhaust pipe (32) respectively, one end of air inlet pipe (31) is linked with connecting cylinder (4), the inner side wall of connecting cylinder (4) is fixedly connected with filter screen cylinder (6) of gas filtration, one end of air inlet pipe (31) is linked with the inside of filter screen cylinder (6), the other end of connecting cylinder (4) is fixedly connected with gas delivery pipe (5), the top of heating tank (1) is fixedly connected with controller (22), electric heating rod (21) is electrically connected with controller (22).
2. The special gas temperature control supply apparatus according to claim 1, characterized by: The inside fixed connection of heating tank (1) has support frame, the support frame is rotatably connected with impeller (7), the rotation axis end of impeller (7) is fixedly connected with rotating frame (71), the rotating frame (71) is fixedly connected with the brush of filter screen cylinder (6) outer surface cleaning.
3. The special gas temperature control supply apparatus according to claim 1, characterized by: The bottom of connecting cylinder (4) is fixedly connected with slag discharge port (41), the bottom of slag discharge port (41) is detachably connected with cover.
4. The special gas temperature control supply apparatus according to claim 1, characterized by: The top pipe (8) is fixedly connected on the connecting cylinder (4), the piston plate (81) is slidably connected in the top pipe (8), the top rod (82) is fixedly connected on the top of piston plate (81), the pressing switch (83) is fixedly connected on the inner top wall of top pipe (8), the pressing switch (83) is electrically connected with the controller (22).
5. The special gas temperature control supply apparatus according to claim 4, characterized by: The top of piston plate (81) and the inner bottom wall of top pipe (8) are connected through spring (84), the warning light (9) is fixedly connected on the top of top pipe (8), the warning light (9) is electrically connected with the controller (22).
6. The special gas temperature control supply apparatus according to claim 1, characterized by: The temperature sensor (23) is fixedly connected in the heating inner tube (2), the temperature sensor (23) is electrically connected with the controller (22).
7. The special gas temperature control supply apparatus according to claim 1, characterized by: The oil discharge pipe (24) that is linked with the inside of heating inner tube (2) is fixedly connected on the bottom of heating tank (1), the electromagnetic valve is fixedly connected on the gas delivery pipe (5).
Citation Information
Patent Citations
Special gas supply device convenient to maintain
CN220792816U