Ultraviolet flue gas analyzer calibration device

Abstract

The utility model discloses an ultraviolet flue gas analyzer calibration device which comprises an analyzer body and a calibration box body, the analyzer body is provided with a smoke guide pipe used for feeding smoke and is provided with a mounting groove, the smoke guide pipe is detachably provided with a pipe body in the mounting groove, after the pipe body is detached, the calibration box body is mounted in the mounting groove, and the calibration box body is mounted in the mounting groove. Grooves are symmetrically formed in the two sides of the calibration box body, sleeves are movably installed in the grooves, springs are installed on the sleeves, the sleeves are pushed by the springs to be installed on the smoke guide pipe, a calibration cavity is formed in the calibration box body, and the calibration cavity is communicated with the two sleeves. And a flow velocity measuring instrument, a temperature sensor, a humidity sensor and a pressure sensor are arranged in the shell. According to the utility model, installation and calibration are carried out through the calibration box body, professional personnel do not need to carry out on-site calibration, parameter acquisition and calibration of gas concentration, temperature, humidity and flow velocity can be completed at the same time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of instrument calibration, in particular to a calibration device for an ultraviolet flue gas analyzer. Background Art

[0002] The UV flue gas analyzer uses UV differential absorption spectroscopy to measure SO2, NO, NO2 and NH3 in flue gas. O2, CO, H2S and CO2 sensors can be selected to measure the concentration of gas. The UV differential absorption spectroscopy technology is less affected by moisture, has good data stability and high accuracy, and is particularly suitable for high humidity and low sulfur conditions. The whole machine adopts an integrated design and is easy to carry. It is widely used in routine air monitoring or emergency monitoring in environmental protection, health, labor, safety supervision, military, scientific research, education and other departments.

[0003] The existing ultraviolet flue gas analyzer needs to be calibrated before and after use to make its accuracy reach the use standard. Most of the existing detection methods need to be calibrated by professionals first. However, this is not conducive to use in different environments. It needs to be sent to professionals or professionals need to go to the site, which wastes a lot of time. Therefore, it is necessary to design a calibration device for ultraviolet delayed analyzer that can be calibrated independently by operators without the need for professionals to be present, thereby improving work efficiency. Utility Model Content

[0004] The utility model aims to provide a calibration device for an ultraviolet flue gas analyzer.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A calibration device for an ultraviolet flue gas analyzer comprises an analyzer body and a calibration box body, wherein the analyzer body is provided with a smoke guide pipe for smoke intake and a mounting groove, wherein a tube body is detachably mounted in the mounting groove of the smoke guide pipe, after the tube body is removed, the calibration box body is mounted in the mounting groove and mounted with the smoke guide pipe, wherein the calibration box body is symmetrically provided with grooves on both sides thereof, wherein sleeves are movably mounted in the grooves, wherein a spring is mounted on the sleeves, and wherein the sleeves are pushed to be mounted with the smoke guide pipe by the spring, wherein a calibration cavity is provided in the calibration box body, wherein the calibration cavity is connected with two sleeves, and wherein a flow velocity measuring instrument for obtaining a flow velocity of a flue gas, a temperature sensor for obtaining a temperature, a humidity sensor for obtaining a humidity of a flue gas, and a pressure sensor for obtaining a pressure of a flue gas are arranged therein, wherein external air is sucked into the calibration box body along the smoke guide pipe through the analyzer body, wherein the gas is detected by the flow velocity measuring instrument, the temperature sensor, the humidity sensor, and the pressure sensor, and wherein the gas enters the analyzer body along the other sleeve pipe after passing through the calibration cavity.

[0007] Furthermore, the analyzer body is provided with a touch screen and control buttons on its side wall, and the touch screen is electrically connected to the calibration box body for displaying its detection data and comparing and calibrating it with the data of the analyzer body.

[0008] Furthermore, the calibration box body is provided with a control port communicated with the groove on its side wall, a control block is slidably installed in the control port, the control block is fixedly connected to the sleeve, and the sleeve is driven to retreat into the groove by pushing the control block to move.

[0009] Furthermore, the sleeve is a telescopic tube.

[0010] Furthermore, the calibration box is provided with a calibration mainboard and is electrically connected to the flow rate measuring instrument, the temperature sensor, the humidity sensor, the pressure sensor and the touch display screen respectively.

[0011] Furthermore, a sealing ring is arranged on the outer periphery of the smoke guiding pipe in the groove, and after the sleeve is installed on the smoke guiding pipe, it abuts against the sealing ring.

[0012] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0013] The utility model provides a detachable calibration box body, which is used to detect the gas in the smoke duct and obtain data. The obtained data is used as calibration data for comparison with the analysis data of the analyzer body, so as to perform calibration work. The calibration box body is detachable and can be used repeatedly, which replaces the need for professionals to be present at the site for calibration work. There is no need for professionals to be present at the site for calibration, and parameter collection and calibration of gas concentration, temperature, humidity and flow rate can be completed simultaneously, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the utility model from another angle;

[0016] Figure 3 This is a cross-sectional view of the analyzer body and the calibration box of the utility model.

[0017] Description of reference numerals:

[0018] Analyzer body 1; calibration box body 2; smoke guide tube 11; mounting slot 12; touch screen 13; control button 14; groove 21; sleeve 22; spring 23; control port 24; control block 25; sealing ring 26. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] It should be noted that in the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] Example

[0022] Cooperate Figures 1 to 3 As shown, the utility model discloses a calibration device for an ultraviolet flue gas analyzer, comprising an analyzer body 1 and a calibration box body 2, wherein the analyzer body 1 is provided with a smoke guide tube 11 for introducing smoke and a mounting groove 12, wherein the smoke guide tube 11 is detachably mounted with a tube body in the mounting groove 12, after the tube body is removed, the calibration box body 2 is mounted in the mounting groove 12 and mounted with the smoke guide tube 11, wherein the calibration box body 2 is symmetrically provided with grooves 21 on both sides thereof, wherein a sleeve 22 is movably mounted in the groove 21, wherein the sleeve 22 is mounted with a spring 23, and the sleeve 22 is pushed by the spring 23 The tube 22 is installed with the smoke guide tube 11, and a calibration cavity is arranged in the calibration box body 2. The calibration cavity is communicated with the two sleeves 22, and is provided with a flow rate measuring instrument for obtaining the flue gas flow rate, a temperature sensor for obtaining the temperature, a humidity sensor for obtaining the flue gas humidity and a pressure sensor for obtaining the flue gas pressure. The outside air is sucked into the calibration box body 2 along the smoke guide tube 11 through the analyzer body 1, and the gas is detected by the flow rate measuring instrument, temperature sensor, humidity sensor and pressure sensor. After passing through the calibration cavity, the gas enters the analyzer body 1 along the other sleeve 22.

[0023] The analyzer body 1 is provided with a touch screen 13 and control buttons 14 on its side wall. The touch screen 13 is electrically connected to the calibration box 2 and is used to display its detection data and compare and calibrate with the data of the analyzer body 1. The control button 14 controls the operation of the analyzer body and transmits control instructions to the touch screen 13.

[0024] The calibration box body 2 is provided with a control port 24 communicating with the groove 21 on its side wall, and a control block 25 is slidably installed in the control port 24. The control block 25 is fixedly connected to the sleeve 22. By pushing the control block 25 to move, the sleeve 22 is driven to retreat into the groove 21.

[0025] The sleeve 22 is a telescopic tube.

[0026] The calibration box 2 is provided with a calibration mainboard and is electrically connected to the flow rate measuring instrument, the temperature sensor, the humidity sensor, the pressure sensor and the touch display screen 13 respectively.

[0027] The groove 21 is provided with a sealing ring 26 on the outer periphery of the smoke guide tube 11 , and the sleeve 22 abuts against the sealing ring 26 after being installed on the smoke guide tube 11 .

[0028] During the analysis process, only multiple calibration boxes 2 need to be carried to meet the calibration requirements in different environments.

[0029] In this embodiment, a detachable calibration box 2 is provided, and the calibration box 2 is used to detect the gas in the smoke duct 11 to obtain data. The obtained data is used as calibration data for comparison with the analysis data of the analyzer body 1, so as to perform calibration work. The calibration box 2 is detachable and can be used repeatedly, which replaces the need for professionals to be present at the site for calibration work. There is no need for professionals to be present at the site for calibration, and the gas concentration, temperature, humidity and flow rate parameter collection and calibration can be completed simultaneously, thereby improving work efficiency.

[0030] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A calibration device for an ultraviolet flue gas analyzer, characterized in that: The utility model comprises an analyzer body and a calibration box body, wherein the analyzer body is provided with a smoke guide pipe for smoke intake and a mounting groove, wherein a tube body is detachably mounted in the mounting groove of the smoke guide pipe, after the tube body is removed, the calibration box body is mounted in the mounting groove and mounted with the smoke guide pipe, the calibration box body is symmetrically provided with grooves on both sides thereof, sleeves are movably mounted in the grooves, a spring is mounted on the sleeves, and the sleeves are pushed to be mounted with the smoke guide pipe by the spring, a calibration cavity is arranged in the calibration box body, the calibration cavity is communicated with the two sleeves, and is provided with a flow rate measuring instrument for obtaining a flow rate of smoke, a temperature sensor for obtaining a temperature, a humidity sensor for obtaining a humidity of smoke, and a pressure sensor for obtaining a pressure of smoke, the outside air is sucked into the calibration box body along the smoke guide pipe through the analyzer body, the gas is detected by the flow rate measuring instrument, the temperature sensor, the humidity sensor and the pressure sensor, and the gas enters the analyzer body along the other sleeve after passing through the calibration cavity.

2. The ultraviolet flue gas analyzer calibration device according to claim 1, characterized in that: The analyzer body is provided with a touch screen and control buttons on its side wall. The touch screen is electrically connected to the calibration box body and is used to display its detection data and compare and calibrate with the data of the analyzer body.

3. The ultraviolet flue gas analyzer calibration device according to claim 2, characterized in that: The calibration box body is provided with a control port communicated with the groove on its side wall, a control block is slidably installed in the control port, the control block is fixedly connected to the sleeve, and the sleeve is driven to retreat into the groove by pushing the control block to move.

4. The ultraviolet flue gas analyzer calibration device according to claim 3, characterized in that: The sleeve is a telescopic tube.

5. The ultraviolet flue gas analyzer calibration device according to claim 3, characterized in that: The calibration box body is provided with a calibration mainboard and is electrically connected to the flow rate measuring instrument, the temperature sensor, the humidity sensor, the pressure sensor and the touch display screen respectively.

6. The ultraviolet flue gas analyzer calibration device according to claim 1, characterized in that: The groove is provided with a sealing ring on the outer periphery of the smoke guide pipe, and after the sleeve is installed with the smoke guide pipe, it abuts against the sealing ring.

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