Infrared temperature measuring device for industrial furnace
By using an infrared thermometer to measure temperature in an industrial furnace with a graphite plug, the problem of traditional metal probes easily melting and deforming at high temperatures is solved, thus achieving stable and accurate temperature measurement.
Patent Information
- Application Number
- CN202423033521.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In traditional industrial furnace temperature monitoring methods, metal probes are prone to melting and deformation at high temperatures, resulting in unstable and inaccurate measurements.
An infrared temperature measuring device is used to project infrared rays onto the graphite plug through an infrared channel. The temperature of the graphite plug is then measured using an infrared thermometer. Combined with the high-temperature stability of the graphite material, temperature measurement is achieved.
The stability and accuracy of temperature measurement are achieved, the melting and deformation problems of the probe at high temperatures are avoided, the structure is simple, and the reading results are reliable.
Smart Images
Figure CN223449342U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to industrial furnace application field especially, and relates to an infrared temperature measuring device for industrial furnace. BACKGROUND
[0002] It is known that, in the production process, the temperature distribution of the industrial furnace heating chamber has been an important technical index that people care about, and the traditional heating chamber temperature monitoring method is to adopt the metal probe of the cylinder pulling type, the temperature measuring mode is easy to melt and the probe rod is easy to deform at high temperature, which can lead to unstable measurement temperature and inaccurate reading; therefore, the infrared temperature measuring device for measuring stable and accurate temperature becomes the basic demand of the technical personnel in the field. SUMMARY
[0003] In order to overcome the defects in the background art, the utility model discloses an infrared temperature measuring device for industrial furnace.
[0004] In order to realize the purpose of the application, the utility model adopts the following technical scheme:
[0005] An infrared temperature measuring device for industrial furnace, including infrared temperature measuring instrument, mounting plate, flange seat, round pipe and graphite pipe, the round pipe is arranged on the side wall of the furnace body, the flange fixedly connected with the flange seat is arranged at the left end of the round pipe, a plurality of adjusting screws are connected between the step surface of the flange seat and the circumference surface of the left mounting plate, the infrared temperature measuring instrument is fixed in the center hole of the mounting plate, the lens is arranged on the left end surface of the flange seat and locked by the gland, the graphite pipe is fixed with the supporting plate at the right end center of the round pipe, the right side of the graphite pipe is arranged in the heat preservation layer and fixed on the heat preservation layer through the graphite stud and graphite nut on the right flange, the right end of the graphite pipe is arranged in the heating chamber, the graphite plug is fixed in the right end of the graphite pipe, and the inner cavity of the flange seat, the round pipe and the graphite pipe form an infrared channel.
[0006] The infrared temperature measuring device for industrial furnace, the infrared temperature measuring instrument is arranged corresponding to the infrared channel, and the temperature of the graphite plug is measured.
[0007] The infrared temperature measuring device for industrial furnace, a plurality of long holes are opened in the circumferential direction of the mounting plate, the left end of the adjusting screw is fixedly connected through the nut A and passes through the long hole, the right end of the adjusting screw is connected in the threaded hole on the left end surface of the flange seat, and the fixed nut is locked.
[0008] The infrared temperature measuring device for industrial furnace, the bolts are arranged in the corresponding bolt holes between the flange seat and the flange, the outer end of the bolt is sequentially sleeved with the flat washer and the elastic washer and locked by the nut B, and the position of the bolt is staggered with the position of the adjusting screw.
[0009] The infrared temperature measuring device for industrial furnace is provided with a sealing groove on the right side of the flange seat, and a sealing ring is arranged in the sealing groove.
[0010] The infrared temperature measuring device for industrial furnace is provided with a sealing groove on the right side of the flange seat, and a sealing ring is arranged in the sealing groove.
[0011] Due to the above technical scheme, the infrared temperature measuring device for industrial furnace has the following beneficial effects:
[0012] The infrared temperature measuring device for industrial furnace comprises an infrared temperature measuring instrument, a graphite pipe, a graphite screw column, a graphite nut, a graphite plug, a furnace body and a heat preservation layer. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 is the installation structure schematic view of the utility model.
[0014] Fig. 2 is the structure schematic view of the utility model.
[0015] In the figure: 1, infrared temperature measuring instrument; 2, adjusting screw; 3, nut A; 4, mounting plate; 5, gland; 6, lens; 7, sealing pad; 8, bolt; 9, flange seat; 10, flange; 11, O-shaped sealing ring; 12, flat washer; 13, elastic washer; 14, nut B; 15, round pipe; 16, supporting plate; 17, graphite pipe; 18, graphite screw column; 19, graphite nut; 20, graphite plug; 21, furnace body; 22, heat preservation layer. DETAILED DESCRIPTION
[0016] The utility model can be explained in detail through the following embodiments, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model.
[0017] Combined with the drawings Figs. 1-2The infrared temperature measuring device for industrial furnace comprises an infrared temperature measuring instrument 1, a mounting plate 4, a flange seat 9, a circular tube 15 and a graphite tube 17. The circular tube 15 is arranged on the side wall of a furnace body 21. The flange 10 at the left end of the circular tube 15 is fixedly connected with the flange seat 9. A plurality of adjusting screws 2 are connected between the stepped surface of the flange seat 9 and the circumferential surface of the left mounting plate 4. The infrared temperature measuring instrument 1 is fixed in the central hole of the mounting plate 4. The lens 6 is arranged in the stepped hole of the gland 5. The lens 6 is quartz glass. The sealing gaskets 7 are arranged between the lens 6 and the left end surface of the flange seat 9 and between the gland 5 and the lens 6. The gland 5 is connected with the flange seat 9 through the fixing bolts. The graphite tube 17 is fixed on the right end center of the circular tube 15 through the supporting plate 16. The right side of the graphite tube 17 is arranged in the heat preservation layer 22 and is fixed on the heat preservation layer 22 through the graphite stud 18 and the graphite nut 19 on the right flange. The right end of the graphite tube 17 is arranged in the heating chamber. The graphite plug 20 is fixed in the right end of the graphite tube 17. The inner cavity of the flange seat 9, the circular tube 15 and the graphite tube 17 form an infrared channel. The infrared temperature measuring instrument 1 is arranged corresponding to the infrared channel to measure the temperature of the graphite plug 20.
[0018] Further, a plurality of long holes are arranged in the circumferential direction of the mounting plate 4. The left ends of the adjusting screws 2 are fixedly connected through the long holes and the nuts A3. The right ends of the adjusting screws 2 are connected in the threaded holes on the left end surface of the flange seat 9 and are locked through the fixing nuts.
[0019] Further, the bolts 8 are arranged in the corresponding bolt holes between the flange seat 9 and the flange 10. The outer ends of the bolts 8 are sequentially sleeved with the flat washers 12, the elastic washers 13 and are locked by the nuts B14. The positions of the bolts 8 are staggered with the positions of the adjusting screws 2. The sealing grooves are arranged on the right side surface of the flange seat 9. The sealing rings 11 are arranged in the sealing grooves.
[0020] The infrared temperature measuring device for industrial furnace is characterized in that when being installed, holes are formed on the furnace body 21 and the heat preservation layer 22, the circular tube 15 and the graphite tube 17 are installed, the flange 10, the circular tube 15 and the supporting plate 16, and the circular tube 15 and the furnace body 21 are all welded and connected, the right side flange of the graphite tube 17 is fixed on the heat preservation layer 22 through the graphite stud 18 and the graphite nut 19, the left end of the circular tube 15 is installed with the lens 6 locked by the gland 5, the infrared temperature measuring instrument 1 is fixed through the adjusting screw rod 2 and the mounting plate 4, when being used, the infrared temperature measuring instrument 1 adjusts the focal length, the infrared ray dot temperature measuring is performed on the graphite plug, the heater in the furnace body 21 is heated, the temperature in the heating chamber is increased, the temperature of the graphite plug 20 arranged in the graphite tube 17 is increased, the infrared temperature measuring instrument 1 realizes the temperature measuring work of the heating chamber by measuring the temperature of the graphite plug 20, the signal of the infrared temperature measuring instrument 1 is fed back to the remote end and displays the reading, is connected with the external intelligent control system, and thus the temperature control work of the heating chamber in the furnace body 21 is realized.
[0021] The part not described in the utility model is the prior art.
[0022] In order to disclose the invention purpose of the utility model, the embodiments selected in the text are considered to be appropriate at present, but it should be understood that the utility model aims to include all changes and improvements of all embodiments belonging to the concept and the utility model range.
Claims
1. An infrared temperature measuring device for an industrial furnace, comprising an infrared thermometer, a mounting plate, a flange seat, a round tube, and a graphite tube, characterized in that: A circular tube is passed through the side wall of the furnace body, and a flange seat is fixedly connected to the flange at the left end of the circular tube. A plurality of adjustment screws are connected between the step surface of the flange seat and the circumferential surface of the left mounting plate. The infrared thermometer is fixed in the center hole of the mounting plate. A lens locked by a pressure cover is provided on the left end surface of the flange seat. A graphite tube is fixed at the center of the right end of the circular tube through a support plate. The right side of the graphite tube is passed through the insulation layer and fixed to the insulation layer by the graphite stud and graphite nut on the right flange. The right end of the graphite tube is arranged in the heating chamber, and a graphite plug is fixed inside the right end of the graphite tube. An infrared channel is formed between the inner cavity of the flange seat, the circular tube and the graphite tube.
2. The infrared temperature measuring device for industrial furnaces according to claim 1, characterized in that: The infrared thermometer is arranged corresponding to the infrared channel to measure the temperature of the graphite plug.
3. The infrared temperature measuring device for industrial furnaces according to claim 1, characterized in that: There are multiple long holes along the circumferential direction of the mounting plate. The left end of the adjusting screw passes through the long holes and is fixedly connected by nut A. The right end of the adjusting screw is connected to the threaded hole on the left end face of the flange seat and is locked by the fixing nut.
4. The infrared temperature measuring device for industrial furnaces according to claim 1, characterized in that: Bolts are inserted into the corresponding bolt holes between the flange seat and the flange. The outer ends of the bolts are successively fitted with flat washers and elastic washers and then tightened by nuts B. The positions of the bolts are staggered with those of the adjusting screws.
5. The infrared temperature measuring device for industrial furnaces according to claim 1, characterized in that: A sealing groove is provided on the right side surface of the flange seat, and a sealing ring is provided in the sealing groove.
6. The infrared temperature measuring device for industrial furnaces according to claim 1, characterized in that: The lens is arranged in the step hole of the pressure cover. Sealing gaskets are provided between the lens and the left end surface of the flange seat and between the pressure cover and the lens. The pressure cover and the flange seat are connected by fixing bolts.