Detection device for measuring temperature through positive-pressure hot air
By using corundum protection tubes and air curtains to protect the infrared thermometer in the vertical furnace, the problem of hot air damaging the infrared thermometer was solved, achieving stability in temperature monitoring and cost control.
Patent Information
- Application Number
- CN202423151620.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Infrared thermometers are easily damaged by hot air in the combustion chamber during vertical furnace production, resulting in a shortened service life and increased production costs.
A corundum protective tube is inserted into the combustion chamber and connected to an infrared thermometer via a threaded connection. The tube is then covered by an air curtain for protection. The air curtain consists of air ducts and fasteners, forming a four-sided enclosure to prevent hot air from directly impacting the infrared thermometer.
Protect infrared thermometers from damage by hot air, extend their service life, reduce spare parts consumption, and lower production costs.
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Figure CN223710205U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection equipment technical field, concretely relates to a detection device of positive pressure hot air measurement temperature. BACKGROUND
[0002] In the production process of shaft furnace, need accurate measurement combustion chamber temperature from time to time, timely adjustment gas regulating valve and air regulating valve, and ensure temperature stability, with hot air drying pellet, ensure drying pellet rate, adopt infrared temperature detector to carry out temperature monitoring, but often appear hot air in combustion chamber to infrared temperature detector cause damage thing to happen in the monitoring process, reduced the service life of infrared temperature detector, increased production cost in kind. CONTENT OF UTILITY MODEL
[0003] The utility model discloses a detection device of positive pressure hot air measurement temperature, which protects the infrared temperature detector by the air curtain.
[0004] In order to solve the problem existing in the background art, the utility model adopts the following technical scheme: including combustion chamber, corundum protection pipe, infrared temperature detector and air curtain, one end of the corundum protection pipe is inserted into the furnace of the combustion chamber, a threaded pipe is arranged on the corundum protection pipe exposed outside the combustion chamber, the infrared temperature detector is installed on the threaded pipe, a threaded sleeve is arranged at the bottom of the infrared temperature detector, the threaded sleeve is connected with the threaded pipe through threads, the infrared temperature detector is covered with the air curtain, the opposite two side walls of the air curtain are provided with arched doors, the arc of the arched door is matched with the outer wall of the corundum protection pipe, the arched door is arranged on the corundum protection pipe and is adhesively fixed with the corundum protection pipe, the air curtain comprises air pipes and air pipe fixing pieces, four air pipe fixing pieces are arranged, the four air pipe fixing pieces enclose a quadrilateral, two adjacent air pipe fixing pieces are fixedly connected through welding, the air pipe fixing piece is provided with air pipe perforations, the air pipe perforations are a plurality of and are arranged at equal intervals, and the air pipe passes through the air pipe perforations vertically.
[0005] The top and bottom of the air curtain are in exposed state.
[0006] The number of the air pipes is a plurality, the air pipes are fixedly connected with the air pipe fixing pieces by being inserted into the air pipe perforations, and the air pipes form a four-sided wall as a whole through the air pipe fixing pieces enclosing a quadrilateral.
[0007] The utility model has the advantages that the corundum protection pipe is inserted into the combustion chamber, and the infrared temperature detector is used for temperature monitoring, so that the temperature is stable and accurate; the air curtain protects the infrared temperature detector, avoids damage of the infrared temperature detector caused by hot air when the corundum protection pipe is damaged, reduces the consumption of spare parts, and reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS
[0008] Figure 1It is the structure schematic diagram of the utility model;
[0009] Figure 2 It is the relation diagram of the wind curtain and the infrared temperature measuring instrument of the utility model;
[0010] Figure 3 It is the structure schematic diagram of the wind curtain of the utility model;
[0011] Figure 4 It is the structure schematic diagram of the wind pipe fixing piece of the utility model. CONCRETE EMBODIMENT
[0012] Referring to the drawings, the utility model specifically adopts the following implementation ways: including combustion chamber 1, corundum protection pipe 2, infrared temperature measuring instrument 5 and wind curtain 6, the corundum protection pipe 2 one end inserts the stove of combustion chamber 1, is equipped with threaded tube 3 on the corundum protection pipe 2 exposed in combustion chamber 1, installs infrared temperature measuring instrument 5 on threaded tube 3, and the bottom of infrared temperature measuring instrument 5 is equipped with threaded sleeve 4, and threaded sleeve 4 is connected through screw thread with threaded tube 3, and infrared temperature measuring instrument 5 is covered with wind curtain 6, and the opposite two side walls of wind curtain 6 are opened arch door 9, and the arc on arch door 9 is in accord with the outer wall of corundum protection pipe 2, and arch door 9 is supported on corundum protection pipe 2 and is bonded and fixed with corundum protection pipe 2, and wind curtain 6 includes wind pipe 7 and wind pipe fixing piece 8, and wind pipe fixing piece 8 is equipped with four, and four wind pipe fixing pieces 8 enclose a quadrilateral, and two adjacent wind pipe fixing pieces 8 are fixedly connected through welding mode, and wind pipe fixing piece 8 is equipped with wind pipe perforation 10, and wind pipe perforation 10 is several and is set at equal intervals, and wind pipe 7 is vertically passed in wind pipe perforation 10.The top and bottom of wind curtain 6 are in naked state.The number of wind pipe 7 is several, and corresponding insertion wind pipe perforation 10 is fixedly connected with wind pipe fixing piece 8, and by the wind pipe fixing piece 8 of enclosing quadrilateral, the whole forms four-sided wall.
[0013] The detection device of the normal pressure hot air measuring temperature, mainly adopts the corundum protection 2 pipe insertion stove of combustion chamber 1, simultaneously adopts infrared temperature measuring instrument 5, and adopts the threaded mode and connects the corundum protection pipe 2 and infrared temperature measuring instrument 5, simultaneously covers the wind curtain 6 formed by wind pipe 7 outside infrared temperature measuring instrument 5, when the corundum protection pipe 2 has damage, and wind pipe 7 forms the wind curtain 6 and can block the damage caused to infrared temperature measuring instrument 5 by hot air.
[0014] The detection device for measuring temperature of the normal pressure hot air is installed by first surrounding the air pipe fixing part 8 into a quadrilateral, bonding or welding the adjacent two air pipe fixing parts 8 together through the connecting block, then inserting the air pipe 7 into the corresponding air pipe perforation 10 one by one, and fixing the air pipe 7 and the air pipe perforation 10, so that the air pipe and the air pipe fixing part 8 form a four-walled enclosure, i.e. the air curtain 6, the opposite two side walls of the air curtain 6 are provided with the arched door 9, the arched door 9 can be placed on the corundum protection pipe 2, the air curtain 6 is welded or pasted with the corundum protection pipe 2 through the arched door 9, and any fixing mode can be used, at this time, the air curtain is covered outside the threaded pipe 3, after the air curtain 6 is fixed, the infrared temperature measuring instrument 5 is inserted from the top of the air curtain 6 and is screwed with the threaded pipe 3 on the corundum protection pipe 2 through the threaded sleeve 4 at the bottom, so that the corundum protection pipe 2 and the infrared temperature measuring instrument 5 are fixedly connected, the air curtain 6 forming the four-walled enclosure is covered outside the infrared temperature measuring instrument 5, and the infrared temperature measuring instrument 5 is protected, once the corundum protection pipe 2 is damaged, the hot air in the combustion chamber 1 will first impact the air curtain and will not directly impact the infrared temperature measuring instrument 5, the service life of the infrared temperature measuring instrument is improved, and the consumption of spare parts is reduced.
[0015] One end of the corundum protection pipe 2 is inserted into the furnace of the combustion chamber 1, can better perceive the temperature in the combustion chamber 1, and is ready to transmit the temperature condition to the infrared temperature measuring instrument 5, and can ensure the stable and accurate temperature.
[0016] In summary, the detection device for measuring temperature of the normal pressure hot air inserts the corundum protection pipe into the combustion chamber and uses the infrared temperature measuring instrument to monitor the temperature, ensures the stable and accurate temperature, uses the air curtain to protect the infrared temperature measuring instrument, avoids the damage of the hot air to the infrared temperature measuring instrument when the corundum protection pipe is damaged, reduces the consumption of spare parts, and reduces the production cost.
Claims
1. A detection device for measuring temperature using positive pressure hot air, characterized in that: The system includes a combustion chamber (1), a corundum protective tube (2), an infrared thermometer (5), and an air curtain (6). One end of the corundum protective tube (2) is inserted into the furnace of the combustion chamber (1). The corundum protective tube (2) exposed outside the combustion chamber (1) is provided with a threaded tube (3). The infrared thermometer (5) is installed on the threaded tube (3). The bottom of the infrared thermometer (5) is provided with a threaded sleeve (4). The threaded sleeve (4) and the threaded tube (3) are connected by threads. The infrared thermometer (5) is covered by an air curtain (6). Arched doors (9) are opened on the opposite side walls of the air curtain (6). The upper arc matches the outer wall of the corundum protective tube (2). The arched door (9) is mounted on the corundum protective tube (2) and is bonded and fixed to the corundum protective tube (2). The air curtain (6) includes air duct (7) and air duct fixing parts (8). There are four air duct fixing parts (8). The four air duct fixing parts (8) form a quadrilateral. The two adjacent air duct fixing parts (8) are fixedly connected by welding. The air duct fixing parts (8) are provided with air duct through holes (10). There are several air duct through holes (10) and they are evenly spaced. The air duct (7) passes vertically through the air duct through holes (10).
2. The detection device for measuring temperature with positive pressure hot air according to claim 1, characterized in that: The top and bottom of the air curtain (6) are both exposed.
3. The positive pressure hot air temperature measuring device according to claim 1, characterized in that: The number of air ducts (7) is several, and they are inserted into the air duct through holes (10) and fixedly connected to the air duct fixing parts (8). The air duct fixing parts (8) form a quadrilateral, and the whole is formed into a four-sided wall.