Infrared temperature measuring device for kiln tail smoke chamber

Abstract

The utility model discloses a kiln tail smoke chamber infrared temperature measuring device, comprising a crust cleaning assembly used for cleaning coke on a furnace wall channel through cleaning gas; the infrared temperature measuring instrument is provided with a probe, the probe penetrates through the crust removing assembly, a temperature measuring instrument protective cover is installed outside the infrared temperature measuring instrument, the temperature measuring instrument protective cover is connected with a protective pipe through a flange, and the protective pipe is connected with the crust removing assembly in a sealed mode; the embedded part is fixed at the lower end of the crust cleaning assembly; and the gas source treatment device is used for carrying out pretreatment on cleaning gas required in the crust cleaning assembly. The infrared temperature measuring instrument is adopted for measuring temperature, the infrared temperature measuring instrument does not need to make contact with materials, the problems of high-temperature corrosion and abrasion do not exist, the crust cleaning assembly of the temperature measuring device can regularly clean crust on the inner wall of the furnace, temperature measuring data are more accurate, the service life is long, and stability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to kiln tail smoke chamber temperature measurement technical field, concretely is a kiln tail smoke chamber infrared temperature measurement device. BACKGROUND

[0002] Rotary kiln can be divided into cement kiln, metallurgical chemical kiln and lime kiln according to different processing materials. Cement kiln is mainly used for calcining cement clinker, and is divided into two categories of dry process cement kiln and wet process cement kiln. In specific use, we need to detect the temperature of rotary kiln tail smoke chamber, and the kiln tail temperature is an important reference data for the burning part of cement clinker production. At present, the rotary kiln production line has applied conventional thermocouple for temperature detection. Due to the corrosion and scouring of high-temperature materials on the thermocouple sensor, the sensor part is easily damaged, and the temperature of the tail smoke chamber, the temperature of the kiln clinker, the secondary air temperature and the third air temperature skin also cause the thermocouple to be unable to accurately reflect the actual temperature of the measurement, which also easily causes the thermocouple to be damaged in the process of cleaning the skin.

[0003] Therefore, the utility model provides a kiln tail smoke chamber infrared temperature measurement device to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model discloses a kiln tail smoke chamber infrared temperature measurement device to solve the above technical problems.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kiln tail smoke chamber infrared temperature measurement device, comprising:

[0007] The skin cleaning assembly is used for cleaning the coke on the furnace wall channel by cleaning gas.

[0008] The infrared temperature measurement instrument is provided with a probe, and the probe passes through the skin cleaning assembly.

[0009] The embedded part is fixed to the lower end of the skin cleaning assembly.

[0010] The gas source treatment device is used for pretreating the cleaning gas needed in the skin cleaning assembly.

[0011] Further, the skin cleaning assembly comprises:

[0012] trachea;

[0013] flanges, the flanges include protection pipe connecting flanges and guide pipe connecting flanges, which are arranged at upper and lower ends of the trachea respectively and are used for connecting the protection pipe and the guide pipe respectively;

[0014] solenoid valves, the solenoid valves adopt timing solenoid valves;

[0015] pulse valves, the pulse valves are electrically connected with the solenoid valves, and the pulse valves adopt bag type pulse valves;

[0016] guide pipes, the guide pipes are used for fixing positions of the embedded parts and the infrared temperature measuring instrument probes;

[0017] gas storage tanks, the gas storage tanks are connected with the gas source treatment devices, clean gas treated by the gas source treatment devices is stored in the gas storage tanks, when it is needed to clean the skin, the timing solenoid valves and the pulse valves open to release the gas in the gas storage tanks to the kiln tail smoke chamber through the trachea to clean the embedded parts.

[0018] Further, the temperature measuring instrument protective cover adopts a double-layer air cooling structure sheath, the outer protective cover is provided with an air inlet and an air outlet, and the inner protective cover is provided with a cable interface; the protection pipe is provided with an air inlet, and the air inlet of the protection pipe is communicated with the air outlet of the outer protective cover.

[0019] Further, the gas source treatment device adopts a high-efficiency oil-water separator to pretreat the gas from the gas station.

[0020] Further, the infrared temperature measuring instrument and the skin cleaning assembly are electrically controlled.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] By using the infrared temperature measuring instrument to measure the temperature, the infrared temperature measuring instrument does not need to contact the material, and there is no problem of high-temperature corrosion and wear, and the skin cleaning assembly of the temperature measuring device can clean the skin on the inner wall of the furnace regularly, so that the temperature measuring data is more accurate, the service life is longer, and the stability is higher. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a structural schematic view of the utility model;

[0024] Fig. 2 It is a local front view in the practical process of the utility model.

[0025] In the figure: 1, infrared thermometer; 2, probe; 3, thermometer protective cover; 4, protective tube; 5, embedded part; 6, gas source treatment device; 701, gas pipe; 702, protective tube connecting flange; 703, guide pipe connecting flange; 704, electromagnetic valve; 705, pulse valve; 706, guide pipe; 707, gas storage tank. DETAILED DESCRIPTION

[0026] In the following description, a large number of specific details are given to provide a more thorough understanding of the present application. However, it is apparent to those skilled in the art that the present application can be implemented without one or more of these details. In other cases, some technical features known to the art are not described in order not to obscure the present application.

[0027] The applicant believes that the rotary kiln production line in the prior art has applied conventional thermocouples for temperature detection. Due to the corrosion and scouring of high-temperature materials on the thermocouple sensor, the sensor part is easily damaged, and the tail smoke chamber temperature, the clinker temperature out of the kiln, the secondary air temperature, and the third air temperature skin also cause the thermocouple to be unable to accurately reflect the actual temperature of the measurement. In the process of cleaning the skin, the thermocouple is also easily damaged.

[0028] Therefore, the applicant designs an infrared temperature measuring device for a kiln tail smoke chamber as shown in Figs. 1-2 The infrared temperature measuring device for a kiln tail smoke chamber comprises:

[0029] A skin cleaning assembly is used to clean the coke on the furnace wall passage with cleaning gas. The infrared thermometer 1 is provided with a probe 2 above. The probe 2 passes through the skin cleaning assembly. The infrared thermometer 1 is externally provided with a thermometer protective cover. The thermometer protective cover 3 is connected with a protective tube 4 through a flange. An embedded part 5 is fixed at the lower end of the skin cleaning assembly. The embedded part 5 is a high-temperature resistant component for connecting the furnace wall and the temperature measuring probe 2, which is welded to the external steel plate of the furnace wall by welding. A gas source treatment device 6 is used to pretreat the cleaning gas needed in the skin cleaning assembly. The gas source treatment device 6 pretreats the incoming gas of the gas station by using a high-efficiency oil-water separator. The infrared thermometer 1 and the skin cleaning assembly are both controlled electrically.

[0030] The kiln tail smoke chamber infrared temperature measurement and skin cleaning device of the embodiment, the skin cleaning assembly comprises: a guide pipe 706, the guide pipe 706 is used to fix the positions of the embedded part 5 and the infrared temperature measurement instrument 1; a flange assembly, the flange assembly comprises a protective pipe connecting flange 702 and a guide pipe connecting flange 703, the protective pipe connecting flange 702 and the guide pipe connecting flange 703 are arranged at the upper and lower ends of the air pipe 701 respectively and are used to connect the protective pipe 4 and the guide pipe 706 respectively; a solenoid valve 704, the solenoid valve 704 adopts a timing solenoid valve 704; a pulse valve 705, the pulse valve 705 is electrically connected with the solenoid valve 704, and the pulse valve 705 adopts a bag type pulse valve 705; a gas storage tank 707, the gas storage tank 707 is connected with the gas source treatment device 6, the gas storage tank 707 stores the clean gas treated by the gas source treatment device 6, and when skin cleaning is needed, the timing solenoid valve 704 and the pulse valve 705 open to instantaneously release the gas in the gas storage tank 707 into the guide pipe 706 to clean the embedded part 5.

[0031] The kiln tail smoke chamber infrared temperature measurement and skin cleaning device of the embodiment, the temperature measurement instrument shield adopts a double-layer air cooling structure sheath, the outer protective shield is provided with an air inlet and an air outlet, and the inner protective shield is provided with a cable interface, the cable interface is used to electrically connect the infrared temperature measurement instrument 1 with the electrical control cabinet, the temperature measurement instrument shield prevents the erosion of dust, high-temperature flying sand and positive pressure on the infrared temperature measurement instrument 1, the temperature measurement shield is in sealed connection with the skin cleaning assembly, and the protective pipe 4 is provided with an air inlet, and the air inlet of the protective pipe 4 is in communication with the air outlet of the outer protective shield.

[0032] In the embodiment, the infrared temperature measurement instrument 1 adopts the model HT-YS2021, and the infrared temperature measurement technology is a technology for measuring the infrared energy radiated outward by an object by using a special sensor. The electromagnetic wave radiated outward by the object above absolute zero is imaged on the sensor after filtering and focusing and is converted into an electric signal, and the electric signal is processed in a series of ways to obtain temperature information.

[0033] Working principle: Since the coking (skin) of the furnace wall will cause the energy channel of the infrared temperature measurement to be blocked, the continuity of temperature measurement and the accuracy of measurement are affected, the skin cleaning assembly can keep the infrared energy channel unobstructed, the infrared temperature measurement instrument 1 performs temperature measurement, the infrared temperature measurement instrument 1 does not need to contact the material and there is no problem of high-temperature corrosion and wear, when it is needed to clean the coking of the furnace wall, the solenoid valve 704 is opened by the electrical control cabinet and the pulse valve 705 is opened, the clean gas stored in the gas storage tank 707 is instantaneously released from the air pipe 701 to the embedded part 5, the dust accumulated in front of the embedded part 5 is cleaned, and the skin is prevented.

[0034] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An infrared temperature measuring device for a kiln hood, characterized in that The utility model relates to a kind of infrared temperature measuring instrument and coke-bonded skin cleaning assembly, including: Coke-bonded skin cleaning assembly is used to clean the coke on the wall passage by cleaning gas; Infrared temperature measuring instrument is provided with probe, the probe passes through coke-bonded skin cleaning assembly, temperature measuring instrument shield is installed outside the infrared temperature measuring instrument, protective tube is connected by flange, and the protective tube is sealedly connected with coke-bonded skin cleaning assembly; Embedded part is fixed in the lower end of coke-bonded skin cleaning assembly; Gas source treatment device is used to pretreat the cleaning gas needed in coke-bonded skin cleaning assembly.

2. The infrared temperature measuring device for a kiln tail hood according to claim 1, characterized in that The coke-bonded skin cleaning assembly includes: Air pipe; Flange assembly includes protective tube connecting flange and guide pipe connecting flange, and the protective tube connecting flange and guide pipe connecting flange are respectively arranged in the upper and lower ends of air pipe, and are respectively used to connect protective tube and guide pipe; Electromagnetic valve is timing electromagnetic valve; Pulse valve is electrically connected with electromagnetic valve, and pulse valve is bag type pulse valve; Guide pipe is used to fix the position of embedded part and infrared temperature measuring instrument probe; Gas storage tank is connected with gas source treatment device, and the gas storage tank stores cleaning gas treated by gas source treatment device, timing electromagnetic valve and pulse valve open to release gas in gas storage tank through air pipe to kiln tail smoke chamber to clean embedded part when coke-bonded skin is needed.

3. The infrared temperature measuring device for a kiln hood according to claim 1, characterized in that Temperature measuring instrument shield adopts double-layer air-cooled structure sheath, and gas inlet and gas outlet are arranged on outer protective cover, and cable interface is arranged on inner protective cover;Gas inlet is arranged on protective tube, and the gas inlet on protective tube is communicated with the gas outlet on outer protective cover.

4. The infrared temperature measuring device for a kiln hood according to claim 1, wherein Gas source treatment device uses high-efficiency oil-water separator to pretreat gas from gas station.

5. The infrared temperature measuring device for a kiln hood according to claim 1, wherein Infrared temperature measuring instrument and coke-bonded skin cleaning assembly are both controlled by electricity.

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