Constant-temperature constant-pressure high-temperature furnace

Abstract

The utility model relates to the technical field of high-temperature furnaces, in particular to a constant-temperature constant-pressure high-temperature furnace which comprises a furnace body, a bin gate and a constant-pressure mechanism, the constant-pressure mechanism comprises a first thermometer, a pressure gauge, an air inlet pipe, an air supply assembly, an exhaust pipe, two valves and a pressure pump, the bin gate is detachably connected with the furnace body, and the first thermometer is fixedly connected with the furnace body. The pressure gauge is fixedly connected with the furnace body, the other end of the air inlet pipe is arranged on the air supply assembly and is communicated with the air supply assembly, the exhaust pipe is fixedly connected with the furnace body and is communicated with the furnace body, the two valves are fixedly connected with the air inlet pipe and the exhaust pipe respectively, the pressure pump is fixedly connected with the air inlet pipe, and when the pressure intensity in the furnace body is maintained, the change of the pressure gauge is observed; the gas supply assembly conveys gas into the furnace body through the gas inlet pipe, and when the displayed pressure intensity is increased, the furnace body exhausts the gas through the gas exhaust pipe, so that the constant pressure state in the furnace body is maintained, and then the technological level of metal machining is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature furnaces, in particular to a constant-temperature and constant-pressure high-temperature furnace. Background Art

[0002] At present, when a high-temperature regeneration furnace is in use, there is usually a lot of dirt left in the furnace, and this dirt usually requires manual entry into the furnace to clean it, which is very inconvenient.

[0003] The prior art CN219037589U comprises a furnace body, a processing bin, a bin door, a sliding pin 1, a sliding pin 2, a slide groove 1, a slide groove 2 and a limiting member. A processing bin is slidably arranged inside the furnace body, so that a worker can place articles in the processing bin for processing. At the same time, since a bin door is slidably arranged inside the processing bin, two ends of the bin door slide in the slide groove 1 and the slide groove 2 respectively through the sliding pin 1 and the sliding pin 2, so that the opening of the processing bin can be closed by sliding the bin door. The protection of the furnace body by the processing bin effectively prevents residual dirt in the furnace wall. When cleaning is needed, it is only necessary to release the limit of the processing bin by the limiting member, and then pull out the processing bin for cleaning, which is easy to operate.

[0004] Maintaining a constant pressure in a high-temperature furnace can improve the process level of metal processing to a certain extent. However, in the prior art, the device cannot maintain a constant pressure in the furnace body, resulting in a decrease in the process level of metal processing. Utility Model Content

[0005] The purpose of the utility model is to provide a constant temperature and constant pressure high temperature furnace, which solves the problem that maintaining a constant pressure in a high temperature furnace can improve the technological level of metal processing to a certain extent, but in the prior art, the device cannot maintain a constant pressure in the furnace body, resulting in a decrease in the technological level of metal processing.

[0006] To achieve the above-mentioned objectives, the utility model provides a constant temperature and constant pressure high-temperature furnace, comprising a furnace body, a compartment door and a constant pressure mechanism, the constant pressure mechanism comprising a first thermometer, a pressure gauge, an air inlet pipe, an air supply assembly, an exhaust pipe, two valves and a pressure pump, the compartment door is detachably connected to the furnace body, the first thermometer is fixedly connected to the furnace body, the pressure gauge is fixedly connected to the furnace body and is located above the furnace body, one end of the air inlet pipe is fixedly connected to the furnace body and communicated with, the other end of the air inlet pipe is arranged on the air supply assembly and communicated with, the exhaust pipe is fixedly connected to the furnace body and communicated with, the two valves are fixedly connected to the air inlet pipe and the exhaust pipe, respectively, and the pressure pump is fixedly connected to the air inlet pipe.

[0007] Among them, the air supply assembly includes a compression box, an air duct, an air pump and a heating kit. The compression box is fixedly connected to one end of the intake pipe and communicated with each other. The air duct is fixedly connected to the compression box and communicated with each other. The air pump is fixedly connected to the air duct, and the heating kit is arranged on the compression box.

[0008] Wherein, the heating kit includes a heating machine and a heating wire, the heating machine is fixedly connected to the compression box, and the heating wire is fixedly connected to the output end of the heating machine and extends into the compression box.

[0009] Wherein, the air supply assembly also includes a second thermometer, and the second thermometer is fixedly connected to the compression box.

[0010] Wherein, the constant temperature and constant pressure high temperature furnace also includes a cooling mechanism, and the cooling mechanism is arranged on the exhaust pipe.

[0011] Wherein, the cooling mechanism comprises an air outlet pipe and a water tank, one end of the air outlet pipe is fixedly connected to and communicated with the exhaust pipe, and the other end of the air outlet pipe is fixedly connected to and communicated with the water tank.

[0012] The utility model discloses a constant temperature and constant pressure high temperature furnace, the door is detachably connected to the furnace body, the first thermometer is fixedly connected to the furnace body, the pressure gauge is fixedly connected to the furnace body and is located above the furnace body, one end of the air inlet pipe is fixedly connected to the furnace body and communicates with it, the other end of the air inlet pipe is arranged on the air supply assembly and communicates with it, the exhaust pipe is fixedly connected to the furnace body and communicates with it, the two valves are fixedly connected to the air inlet pipe and the exhaust pipe respectively, the pressure pump is fixedly connected to the air inlet pipe, and when the pressure in the furnace body is maintained unchanged, the pressure is observed. The pressure value on the pressure gauge, when the pressure value displayed on the pressure gauge becomes smaller, open the valve on the air inlet pipe and start the pressure pump, the pressure pump transports the gas of the air supply assembly into the furnace body through the air inlet pipe until the pressure value displayed on the pressure gauge returns to normal. When the pressure value displayed on the pressure gauge increases, open the valve on the exhaust pipe, the gas in the furnace body is discharged from the furnace body through the exhaust pipe until the pressure value displayed on the pressure gauge returns to normal, so as to maintain a constant pressure state in the furnace body, thereby improving the process level of metal processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1It is a schematic diagram of the overall structure of the first embodiment of the constant temperature and constant pressure high temperature furnace of the utility model.

[0015] Figure 2 It is an overall cross-sectional view of the first embodiment of the constant temperature and constant pressure high temperature furnace of the utility model.

[0016] Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the constant temperature and constant pressure high temperature furnace of the utility model.

[0017] 101-furnace body, 102-barrel door, 103-pressure gauge, 104-first thermometer, 105-exhaust pipe, 106-valve, 107-inlet pipe, 108-pressure pump, 109-compression box, 110-second thermometer, 111-air guide pipe, 112-air pump, 113-heating machine, 114-electric heating wire, 201-exhaust pipe, 202-water tank. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1-Figure 2 , Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the constant temperature and constant pressure high temperature furnace of the utility model. Figure 2 It is an overall cross-sectional view of the first embodiment of the constant temperature and constant pressure high temperature furnace of the utility model.

[0021] The utility model provides a constant temperature and constant pressure high temperature furnace, comprising a furnace body 101, a chamber door 102 and a constant pressure mechanism, wherein the constant pressure mechanism comprises a first thermometer 104, a pressure gauge 103, an air inlet pipe 107, an air supply assembly, an exhaust pipe 105, two valves 106 and a pressure pump 108, wherein the air supply assembly comprises a compression box 109, an air guide pipe 111, an air pump 112, a second thermometer 110 and a heating kit, wherein the heating kit comprises a heater 113 and a heating wire 114. The above-mentioned scheme solves the problem that maintaining a constant pressure in a high temperature furnace can improve the process level of metal processing to a certain extent, but in the prior art, the device cannot maintain a constant pressure in the furnace body 101, resulting in a problem that the process level of metal processing is reduced.

[0022] In this specific embodiment, the door 102 is detachably connected to the furnace body 101, the first thermometer 104 is fixedly connected to the furnace body 101, the pressure gauge 103 is fixedly connected to the furnace body 101 and is located above the furnace body 101, one end of the air inlet pipe 107 is fixedly connected to the furnace body 101 and communicated with each other, the other end of the air inlet pipe 107 is arranged on the air supply assembly and communicated with each other, the exhaust pipe 105 is fixedly connected to the furnace body 101 and communicated with each other, and the two valves 106 are fixedly connected to the air inlet pipe 107 and the exhaust pipe 105, respectively. The pressure pump 108 is fixedly connected to the air inlet pipe 107. The constant temperature and constant pressure high temperature furnace includes a controller, a pressure sensor, a temperature sensor and an alarm. The model of the controller is BCD2A00-16, the model of the pressure sensor is WF200S, and the model of the temperature sensor is 4-20mA. The controller is connected to the pressure sensor, the temperature sensor, the pressure pump 108 and the alarm circuit. The pressure sensor and the temperature sensor are located in the furnace body 101. When the temperature sensor is damaged, the controller controls the alarm to emit a temperature damage prompt sound to remind the staff. By observing the first temperature sensor The thermometer 104 determines whether the furnace body 101 is in a constant temperature state. When the pressure sensor works normally, the pressure sensor reflects the air pressure in the furnace body 101 to the controller, and the controller automatically controls the opening and closing of the two valves 106 to maintain the pressure in the furnace body 101 stable. However, when the pressure sensor is damaged, the controller controls the alarm to emit a pressure sensor damage prompt sound to remind the staff to maintain the pressure in the furnace body 101 unchanged and observe the pressure value on the pressure gauge 103. When the pressure value displayed by the pressure gauge 103 becomes smaller, open the valve located on the air inlet pipe 107. 106, and start the pressure pump 108, the pressure pump 108 transports the gas of the gas supply assembly to the furnace body 101 through the air inlet pipe 107, until the pressure value displayed by the pressure gauge 103 returns to a normal value, when the pressure value displayed by the pressure gauge 103 increases, open the valve 106 on the exhaust pipe 105, and the gas in the furnace body 101 is discharged from the furnace body 101 through the exhaust pipe 105, until the pressure value displayed by the pressure gauge 103 returns to a normal value, thereby maintaining a constant pressure state in the furnace body 101, thereby improving the process level of metal processing.

[0023] The compression box 109 is fixedly connected to one end of the air inlet pipe 107 and communicated with each other, the air guide pipe 111 is fixedly connected to the compression box 109 and communicated with each other, the air pump 112 is fixedly connected to the air guide pipe 111, the heating machine 113 is fixedly connected to the compression box 109, the electric heating wire 114 is fixedly connected to the output end of the heating machine 113 and extends into the compression box 109, and the second thermometer 110 is fixedly connected to the compression box 109. When the device is working, the air pump 112 is started, and the air pump 112 conveys gas into the compression box 109 until the gas pressure in the compression box 109 reaches a certain value, and the heating machine 113 is started, and the heating machine 113 passes energy to the electric heating wire 114, and the electric heating wire 114 emits heat to heat the gas in the compression box 109. Observe the values ​​of the first thermometer 104 and the second thermometer 110, heat the gas in the compression box 109 to the same temperature as the gas in the furnace body 101, avoid the gas in the compression box 109 and the gas in the furnace body 101 having different temperatures. After the gas in the compression box 109 enters the furnace body 101, it will cause the temperature in the furnace body 101 to change, so as to maintain the gas in the furnace body 101 at a constant temperature. When the pressure value displayed by the pressure gauge 103 becomes smaller, open the valve 106 on the air inlet pipe 107, and start the pressure pump 108. The pressure pump 108 transports the gas in the compression box 109 to the furnace body 101 through the air inlet pipe 107 until the pressure value displayed by the pressure gauge 103 returns to normal, so as to maintain the constant pressure state in the furnace body 101.

[0024] When the utility model is used to maintain a constant pressure state in the furnace body 101, the air pump 112 is started, and the air pump 112 conveys gas to the compression box 109 until the gas pressure in the compression box 109 reaches a certain value, and the heating machine 113 is started, and the heating machine 113 passes energy to the heating wire 114, and the heating wire 114 emits heat to heat the gas in the compression box 109, and the values ​​of the first thermometer 104 and the second thermometer 110 are observed, and the gas in the compression box 109 is heated to the same temperature as the gas in the furnace body 101, so as to avoid the gas in the compression box 109 and the gas in the furnace body 101 having different temperatures, which may cause the temperature in the furnace body 101 to change after the gas in the compression box 109 enters the furnace body 101 The pressure value displayed by the pressure gauge 103 increases, and the valve 106 on the exhaust pipe 105 is opened, so that the gas in the furnace body 101 is discharged from the furnace body 101 through the exhaust pipe 105, and the pressure value displayed by the pressure gauge 103 returns to normal. The constant pressure state in the furnace body 101 is maintained, thereby improving the process level of metal processing.

[0025] The second embodiment of the present application is:

[0026] See also Figure 3 , Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the constant temperature and constant pressure high temperature furnace of the utility model. On the basis of the first embodiment, the constant temperature and constant pressure high temperature furnace of this embodiment also includes a cooling mechanism, and the cooling mechanism includes an air outlet pipe 201 and a water tank 202.

[0027] One end of the outlet pipe 201 is fixedly connected to the exhaust pipe 105 and communicated with it, and the other end of the outlet pipe 201 is fixedly connected to the water tank 202 and communicated with it. The water tank 202 is filled with cold water, and the outlet pipe 201 is located at one end of the water tank 202 below the horizontal plane of the cold water. When the exhaust pipe 105 discharges high-temperature gas, the high-temperature gas enters the water tank 202 through the outlet pipe 201, and the cold water cools down the discharged high-temperature gas, thereby increasing the safety of the exhaust gas to a certain extent. At the same time, the temperature of the cold water in the water tank 202 increases, and the hot water is transported to a special insulation box for storage, so as to recycle the heat of the hot water.

[0028] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A constant temperature and constant pressure high temperature furnace, comprising a furnace body and a door, wherein the door is detachably connected to the furnace body, characterized in that: It also includes a constant pressure mechanism, which includes a first thermometer, a pressure gauge, an air intake pipe, an air supply assembly, an exhaust pipe, two valves and a pressure pump, the first thermometer is fixedly connected to the furnace body, the pressure gauge is fixedly connected to the furnace body and is located above the furnace body, one end of the air intake pipe is fixedly connected to the furnace body and communicated with each other, the other end of the air intake pipe is arranged on the air supply assembly and communicated with each other, the exhaust pipe is fixedly connected to the furnace body and communicated with each other, the two valves are fixedly connected to the air intake pipe and the exhaust pipe respectively, and the pressure pump is fixedly connected to the air intake pipe.

2. The constant temperature and constant pressure high temperature furnace according to claim 1, characterized in that: The air supply assembly includes a compression box, an air duct, an air pump and a heating kit. The compression box is fixedly connected to and communicated with one end of the air intake pipe, the air duct is fixedly connected to and communicated with the compression box, the air pump is fixedly connected to the air duct, and the heating kit is arranged on the compression box.

3. The constant temperature and constant pressure high temperature furnace according to claim 2, characterized in that: The heating kit comprises a heating machine and a heating wire. The heating machine is fixedly connected to the compression box. The heating wire is fixedly connected to the output end of the heating machine and extends into the compression box.

4. The constant temperature and constant pressure high temperature furnace according to claim 2, characterized in that: The air supply assembly also includes a second thermometer, which is fixedly connected to the compression box.

5. The constant temperature and constant pressure high temperature furnace according to claim 1, characterized in that: The constant temperature and constant pressure high temperature furnace further comprises a cooling mechanism, and the cooling mechanism is arranged on the exhaust pipe.

6. The constant temperature and constant pressure high temperature furnace according to claim 5, characterized in that: The cooling mechanism comprises an air outlet pipe and a water tank, one end of the air outlet pipe is fixedly connected to and communicated with the exhaust pipe, and the other end of the air outlet pipe is fixedly connected to and communicated with the water tank.

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