Gas heating device for vacuum environment
By designing a multi-layered spiral heating tube parallel structure and a pumping mechanism, the problems of uneven gas heating and low energy utilization are solved, achieving efficient and uniform gas heating and adaptability to vacuum environments.
Patent Information
- Application Number
- CN202520301147.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing gas heating devices are not uniform in heating, have low energy efficiency, and poor heat insulation.
It adopts a multi-layer spiral heating tube parallel structure, combined with temperature sensor and controller, equipped with air pumping mechanism to form a vacuum environment, uses isolation layer to reduce heat loss, directly heats gas and supplies power through electrodes.
It achieves uniform gas heating and precise temperature control, improves energy utilization, and is suitable for high-precision heating requirements in vacuum environments.
Smart Images
Figure CN223826486U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas heating technical field especially relates to a gas heating device for vacuum environment. BACKGROUND
[0002] In many industrial production and laboratory processes, it is often necessary to heat the gas to the required temperature for production and experiment. For example, in our film production process, some processes need appropriate temperature gas participation; in some gas analysis experiments in the laboratory, the gas also needs to be heated to the appropriate temperature. However,
[0003] The existing gas heating device is not uniform enough, and the energy utilization rate is low, and the heat insulation effect is poor. UTILITY MODEL CONTENT
[0004] The utility model discloses a gas heating device for vacuum environment, which solves the problems of non-uniform heating, low energy utilization rate and poor heat insulation effect of the existing gas heating device.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A gas heating device for vacuum environment, comprising:
[0007] A shell;
[0008] An air inlet is installed on the top of the shell, two spiral heating pipes are installed on the inner wall of the shell, an air outlet is installed on the bottom of the shell, the top and bottom ends of the two spiral heating pipes are connected with the air inlet and the air outlet respectively, a temperature sensor is installed on the spiral heating pipe, and a plurality of isolation layers are arranged on the shell.
[0009] A gas suction mechanism is installed on the bottom of the shell and communicates with the shell.
[0010] Further, the gas suction mechanism comprises an annular gas suction box, the annular gas suction box is fixedly installed on the outer side of the shell, a conduit is installed on the top of the annular gas suction box, and the conduit communicates with the shell.
[0011] Further, a piston ring is slidably connected to the inner wall of the annular gas suction box, four pull rods are fixedly installed on the top of the piston ring, and a same positioning ring is fixedly installed on the top ends of the four pull rods.
[0012] Further, four symmetrical positioning gears are rotatably connected to the top of the annular gas suction box, the positioning gears are threadedly connected with the corresponding pull rods, an internal gear ring is rotatably connected to the top of the annular gas suction box, and the internal gear ring is meshed with the four positioning gears.
[0013] Further, one side of the annular suction box is fixedly provided with two positioning seats, a rotating shaft is rotatably connected to the two positioning seats, one of the two positioning seats is fixedly provided with a motor, an output shaft of the motor is fixedly connected with the rotating shaft, and the rotating shaft is in transmission connection with the inner gear ring.
[0014] Further, the rotating shaft is fixedly provided with a driving gear, the outer side of the inner gear ring is provided with a gear, and the driving gear is in meshing connection with the gear.
[0015] Further, the bottom of the annular suction box is fixedly provided with four symmetrically arranged supporting legs, and the bottom of the annular suction box is provided with an exhaust pipe.
[0016] Further, electrodes are arranged on the spiral heating pipes at the gas inlet and the gas outlet, and the device directly supplies power to the spiral heating pipes through an isolation transformer to directly heat the spiral heating pipes.
[0017] Compared with the prior art, the device has the following advantages:
[0018] 1. Uniform heating and high heating temperature
[0019] Due to the adoption of the multi-layer spiral heating pipes and the parallel connection of the pipes, the gas continuously changes the flow direction when flowing through the heating pipes, and fully contacts the heating pipes, so that the gas is heated more uniformly, and the process and experimental requirements of high uniformity and high temperature can be met.
[0020] 2. High energy utilization rate
[0021] The arrangement of the heat insulation layer effectively reduces heat loss, so that more heat is used for gas heating, the direct heating of the gas pipe reduces energy consumption and saves use cost.
[0022] 3. Accurate temperature control
[0023] The cooperation of the temperature sensor and the controller can realize real-time monitoring and accurate adjustment of the heating temperature of the gas, and meet the temperature requirements of various high-precision production and experiments.
[0024] 4. Practicality in vacuum environment
[0025] The design takes into account the use in a vacuum environment, increases the use scenarios of the device, and meets various process and experimental scenarios with vacuum requirements.
[0026] The device has the advantages of simple structure, low loss and low cost, strong heat insulation effect, and is convenient for people to use. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1A structure schematic view of a gas heating device for vacuum environment is provided in the utility model.
[0028] Figure 2 A bottom structure schematic view of a gas heating device for vacuum environment is provided in the utility model.
[0029] Figure 3 A shell internal section structure schematic view of a gas heating device for vacuum environment is provided in the utility model.
[0030] Figure 4 A ring-shaped air extraction box structure schematic view of a gas heating device for vacuum environment is provided in the utility model.
[0031] In the drawing: 1, shell; 2, air inlet; 3, electrode; 4, air outlet; 5, spiral heating pipe; 6, isolation layer; 7, temperature sensor; 8, ring-shaped air extraction box; 9, supporting leg; 10, piston ring; 11, pull rod; 12, positioning ring; 13, positioning seat; 14, motor; 15, rotating rod; 16, driving gear; 17, inner tooth ring; 18, tooth; 19, conduit; 20, exhaust pipe; 21, positioning gear. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments.
[0033] Embodiment one
[0034] Referring to Figures 1-4 A gas heating device for vacuum environment comprises:
[0035] Shell 1;
[0036] Air inlet 2 is installed at the top of shell 1, two spiral heating pipes 5 are installed on the inner wall of shell 1, air outlet 4 is installed at the bottom of shell 1, the top end and the bottom end of the two spiral heating pipes 5 are connected with air inlet 2 and air outlet 4 respectively, temperature sensor 7 is installed on spiral heating pipe 5, and a plurality of isolation layers 6 are arranged on shell 1.
[0037] Air extraction mechanism is installed at the bottom of shell 1 and communicates with shell 1.
[0038] In the embodiment, the air extraction mechanism comprises a ring-shaped air extraction box 8 fixedly installed on the outside of the shell 1, a conduit 19 installed on the top of the ring-shaped air extraction box 8, the conduit 19 being in communication with the shell 1, a piston ring 10 slidably connected to the inner wall of the ring-shaped air extraction box 8, four pull rods 11 fixedly installed on the top of the piston ring 10, and a same positioning ring 12 fixedly installed on the top end of the four pull rods 11. During operation, the moving pull rods 11 drive the piston ring 10 to move downward, the piston ring 10 extrudes the ring-shaped air extraction box 8 downward, and a vacuum effect is formed above the piston ring 10, thereby extracting the air in the shell 1 through the conduit 19 to form a vacuum effect, so that the heat insulation in the shell 1 is better.
[0039] In the embodiment, the top of the ring-shaped air extraction box 8 is rotatably connected with four symmetrically arranged positioning gears 21, the positioning gears 21 are threadedly connected with the corresponding pull rods 11, the top of the ring-shaped air extraction box 8 is rotatably connected with an inner tooth ring 17, the inner tooth ring 17 is in meshing connection with the four positioning gears 21, one side of the ring-shaped air extraction box 8 is fixedly installed with two positioning seats 13, a same rotating rod 15 is rotatably connected to the two positioning seats 13, a motor 14 is fixedly installed on one of the two positioning seats 13, the output shaft of the motor 14 is fixedly connected with the rotating rod 15, the rotating rod 15 is in transmission connection with the inner tooth ring 17, a driving gear 16 is fixedly installed on the rotating rod 15, a gear tooth 18 is installed on the outside of the inner tooth ring 17, the driving gear 16 is in meshing connection with the gear tooth 18, the output shaft of the motor 14 drives the rotating rod 15 to rotate, the rotating rod 15 drives the inner tooth ring 17 to rotate through the meshing connection between the driving gear 16 and the gear tooth 18, the inner tooth ring 17 drives the four positioning gears 21 to rotate simultaneously through the meshing connection between the inner tooth ring 17 and the four positioning gears 21, and the positioning gears 21 drive the piston ring 10 to move through the thread connection between the positioning gears 21 and the pull rods 11.
[0040] In the embodiment, the bottom of the ring-shaped air extraction box 8 is fixedly installed with four symmetrically arranged supporting legs 9, and an exhaust pipe 20 is installed on the bottom of the ring-shaped air extraction box 8, the exhaust pipe 20 can exhaust the gas in the ring-shaped air extraction box 8, and the supporting legs 9 can support the device.
[0041] Further, the electrodes 3 are installed on the spiral heating pipes 5 at the air inlet 2 and the air outlet 4, the device directly supplies power to the spiral heating pipes 5 through an isolation transformer to directly heat the spiral heating pipes 5.
[0042] The working principle is that, in working, the electrode 3 is directly connected with the spiral heating pipe 5 to directly heat the gas pipe, thereby avoiding the heat loss caused by the indirect heating of the traditional heating wire product; the shell 1 is internally provided with multiple spiral heating pipes 5, after the gas enters the device from the gas inlet 2, the gas will pass through the spiral heating pipes 5 of N channels respectively and then gather together, thereby increasing the contact area of the gas, the structure enables the gas to fully contact with the spiral heating pipe 5 in the flowing process, improves the uniformity of heating and can have a higher gas temperature, the motor 14 switch is started again, the output shaft of the motor 14 drives the rotating rod 15 to rotate, the rotating rod 15 is engaged with the gear teeth 18 through the driving gear 16, thereby being able to drive the inner tooth ring 17 to rotate, the inner tooth ring 17 is engaged with the four positioning gears 21, thereby being able to drive the four positioning gears 21 to rotate simultaneously, the positioning gears 21 are connected with the pull rod 11 through the screw thread, thereby being able to drive the piston ring 10 to move, the moving pull rod 11 drives the piston ring 10 to move downward, the piston ring 10 extrudes the annular air suction box 8 downward, and a vacuum effect is formed above the piston ring 10, thereby sucking the air in the shell 1 through the conduit 19, thereby forming a vacuum effect, so that the heat insulation in the shell 1 is better.
[0043] Example two
[0044] The difference between the present embodiment and example one is that the shell 1 is provided with a controller, the controller is connected with the temperature sensor 7, the controller monitors the temperature in the shell 1 through the temperature sensor 7 and controls the temperature through the electrode 3, all the structures in the present application can be selected according to the actual use condition, the drawings are all schematic structure diagrams, and the specific actual size can be appropriately adjusted.
[0045] The above describes only the preferable specific implementation of the present embodiment, but the protection scope of the present embodiment is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the present embodiment within the technical range disclosed by the present embodiment, which should be covered in the protection scope of the present embodiment.
Claims
1. A gas heating device for a vacuum environment, characterized in that, include: Shell (1); An air inlet (2) is installed on the top of the housing (1). Two spiral heating tubes (5) are installed on the inner wall of the housing (1). An air outlet (4) is installed at the bottom of the housing (1). The top and bottom ends of the two spiral heating tubes (5) are connected to the air inlet (2) and the air outlet (4) respectively. A temperature sensor (7) is installed on the spiral heating tubes (5). Multiple isolation layers (6) are provided on the housing (1). An air extraction mechanism is installed at the bottom of the housing (1) and is in communication with the housing (1).
2. The gas heating device for a vacuum environment according to claim 1, characterized in that, The air extraction mechanism includes an annular air extraction box (8), which is fixedly installed on the outside of the housing (1). A conduit (19) is installed on the top of the annular air extraction box (8), and the conduit (19) is connected to the housing (1).
3. A gas heating device for a vacuum environment according to claim 2, characterized in that, A piston ring (10) is slidably connected to the inner wall of the annular suction box (8). Four pull rods (11) are fixedly installed on the top of the piston ring (10), and the same positioning ring (12) is fixedly installed on the top of the four pull rods (11).
4. A gas heating device for a vacuum environment according to claim 3, characterized in that, The top of the annular suction box (8) is rotatably connected to four symmetrically arranged positioning gears (21), and the positioning gears (21) are threadedly connected to the corresponding pull rods (11). The top of the annular suction box (8) is rotatably connected to an internal gear ring (17), and the internal gear ring (17) meshes with the four positioning gears (21).
5. A gas heating device for a vacuum environment according to claim 4, characterized in that, Two positioning seats (13) are fixedly installed on one side of the annular air extraction box (8). The same rotating rod (15) is rotatably connected to the two positioning seats (13). A motor (14) is fixedly installed on one of the two positioning seats (13). The output shaft of the motor (14) is fixedly connected to the rotating rod (15), and the rotating rod (15) is connected to the internal gear ring (17) in a transmission connection.
6. A gas heating device for a vacuum environment according to claim 5, characterized in that, A drive gear (16) is fixedly installed on the rotating rod (15), and teeth (18) are installed on the outer side of the internal gear ring (17). The drive gear (16) and the teeth (18) mesh with each other.
7. A gas heating device for a vacuum environment according to claim 2, characterized in that, The bottom of the annular suction box (8) is fixedly equipped with four symmetrically arranged support legs (9), and the bottom of the annular suction box (8) is equipped with an exhaust pipe (20).
8. A gas heating device for a vacuum environment according to claim 1, characterized in that, Electrodes (3) are installed on the spiral heating tubes (5) at the air inlet (2) and air outlet (4). The equipment directly supplies power to the spiral heating tubes (5) through the isolation transformer and directly heats the spiral heating tubes (5).