Sampling tube of CEMS (Continuous Emission Monitoring System)

Abstract

The utility model relates to the technical field of CEMS systems, in particular to a CEMS system sampling tube which comprises a tube body, and an armored heat tracing band is arranged on the outer side of the tube body. The side wall of the pipe body is fixedly connected with a humidity sensor probe and a thermal resistor which are inserted into the pipe body in a sealing manner, the humidity sensor probe and the thermal resistor are connected with an intelligent temperature and humidity controller through wires, the intelligent temperature and humidity controller is connected with a relay through a wire, and the relay is connected with an armored heat tracing band through a wire; a hot-dip galvanized welded pipe is sleeved outside the pipe body, the armored heat tracing band is also positioned in the hot-dip galvanized welded pipe, and an aluminum silicate needled blanket is filled between the hot-dip galvanized welded pipe and the pipe body; according to the utility model, the temperature and humidity in the pipe can be detected and controlled, and the influence of too high or too low temperature and humidity on the accuracy of a CEMS system is avoided; the pipe body can be protected, and the pipe body is prevented from being damaged by external force; and a heat preservation effect can be achieved, and the influence of fast temperature loss on the accuracy of the CEMS system is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to CEMS system technical field, specifically a CEMS system sampling pipe. BACKGROUND

[0002] The CEMS system is a continuous emission monitoring system, which is a kind of continuous monitoring of the concentration and total emission of gaseous pollutants and particulate matters discharged by air pollution sources.The CEMS system sampling pipe is used for sampling gas.

[0003] The patent with application number 202320704648.1 discloses a regulating mechanism and flue gas sampling pipeline with temperature control device, which comprises a temperature control detection mechanism, the temperature control detection mechanism comprises a mounting block fixedly installed at the right end of the detection pipe, a thermal resistance and an electric heat tracing band are arranged on the left side of the mounting block, a temperature control meter and a relay are arranged in the mounting block;The temperature in the flue gas sampling pipe is detected by the thermal resistance, and the opening and closing of the electric heat tracing band is controlled, so that the temperature balance in the sampling pipe is maintained.

[0004] The patent with application number 202320704648.1 has the following disadvantages: 1.Only the temperature in the sampling pipe is controlled, when the temperature reaches the requirement but the humidity does not reach the requirement, it will still cause the measurement value of the CEMS system to be inaccurate;2.The sampling pipe does not have a heat preservation and protection device, and is easy to lose temperature quickly and be damaged by external force. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a CEMS system sampling pipe, to solve the problems of inaccurate measurement value of the CEMS system and fast temperature loss of the sampling pipe in the prior art.

[0006] In order to achieve the above purpose, the utility model provides a CEMS system sampling pipe, which comprises a pipe body, an armored heat tracing band is arranged on the outer side of the pipe body;A humidity sensor probe and a thermal resistance are sealingly and fixedly connected to the side wall of the pipe body and inserted into the inside of the pipe body, the humidity sensor probe and the thermal resistance are connected with an intelligent temperature and humidity controller through wires, the intelligent temperature and humidity controller is connected with a relay through wires, and the relay is connected with the armored heat tracing band through wires.

[0007] Further, the pipe body is sleeved with a galvanized welded pipe outside, the armored heat tracing band is also located in the galvanized welded pipe, and the galvanized welded pipe and the pipe body are filled with an aluminum silicate needle blanket.

[0008] Further, the number of pipe bodies is two, and the two pipe bodies are arranged in the galvanized welded pipe.

[0009] Further, one end of the pipe body is connected with a sampling hole, and the other end is connected with a measuring meter.

[0010] Furthermore, the humidity sensor probe and the thermal resistor are sealed and fixed to the pipe body via a waterproof cable connector.

[0011] This invention, by setting a temperature sensor probe and an intelligent temperature and humidity controller, can detect and control the temperature and humidity inside the tube, avoiding the impact of excessively high or low temperatures and humidity on the accuracy of the CEMS system.

[0012] This invention protects the pipe body by incorporating hot-dip galvanized welded pipes, preventing damage from external forces. Furthermore, the use of aluminum silicate needle-punched blankets provides insulation, preventing rapid temperature loss from affecting the accuracy of the CEMS system. Attached Figure Description

[0013] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

[0014] Figure 1 This is a schematic diagram of the sampling tube structure of the CEMS system in the embodiment. Figure One ;

[0015] Figure 2 This is a schematic diagram of the sampling tube structure of the CEMS system in the embodiment. Figure Two ;

[0016] In the diagram: 1. Pipe body; 2. Humidity sensor probe; 3. Resistance temperature detector (RTD); 4. Intelligent temperature and humidity controller; 5. Armored heating tape; 6. Relay; 7. Sampling hole; 8. Measuring instrument; 9. Hot-dip galvanized welded pipe; 10. Aluminum silicate needled blanket. Detailed Implementation

[0017] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0018] like Figures 1-2 As shown, according to an embodiment of the present invention, a sampling tube for a CEMS system is provided, comprising two tube bodies 1, one for use and one for backup. An armored heating tape 5 is provided on the outside of the tube body 1. A humidity sensor probe 2 and a thermal resistor 3 inserted into the tube body 1 are sealed and fixedly connected to the side wall of the tube body 1. The humidity sensor probe 2 and the thermal resistor 3 are connected to an intelligent temperature and humidity controller 4 through wires. The intelligent temperature and humidity controller 4 is connected to a relay 6 through wires. The relay 6 is connected to the armored heating tape 5 through wires.

[0019] The pipe body 1 is sleeved with a hot-dip galvanized welded pipe 9, the armored heat tracing band 5 is also located in the hot-dip galvanized welded pipe 9, and the hot-dip galvanized welded pipe 9 and the pipe body 1 are filled with an aluminum silicate needle blanket 10; by arranging the hot-dip galvanized welded pipe 9, the pipe body 1 can be protected, and damage of the pipe body 1 caused by external force can be avoided; by arranging the aluminum silicate needle blanket 10, the heat preservation effect can be achieved, and the influence of fast temperature loss on the accuracy of the CEMS system can be avoided.

[0020] One end of the pipe body 1 is connected with the sampling hole 7, and the other end is connected with the measuring meter 8.

[0021] In an alternative embodiment, the humidity sensor probe 2 and the thermal resistance 3 are fixedly connected with the pipe body 1 through a cable waterproof joint.

[0022] The working principle of the above embodiment is as follows:

[0023] The humidity sensor probe 2 and the thermal resistance 3 acquire the temperature and humidity values in the pipe body 1, and transmit the values to the intelligent temperature and humidity controller 4; the intelligent temperature and humidity controller 4 controls the relay 6 according to the values, and then controls the opening and closing of the armored heat tracing band 5; so that the temperature is controlled within 100-120 DEG C, and the humidity is controlled within 50 RH%; so that the temperature in the pipe body 1 is in the optimal temperature and humidity, and the CEMS system obtains the most accurate measurement result.

[0024] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A CEMS system sampling pipe comprising a pipe body (1), the outer side of the pipe body (1) is provided with an armored heat tracing belt (5); characterized in that, The side wall of the pipe body (1) is sealingly and fixedly connected with a humidity sensor probe (2) and a thermal resistance (3) inserted into the inside of the pipe body (1), the humidity sensor probe (2) and the thermal resistance (3) are connected with an intelligent temperature and humidity controller (4) through wires, the intelligent temperature and humidity controller (4) is connected with a relay (6) through wires, and the relay (6) is connected with an armored heat tracing band (5) through wires.

2. The CEMS system sampling probe of claim 1, wherein, The pipe body (1) is sleeved with a hot-dip galvanized welded pipe (9) outside, the armored heat tracing band (5) is also located in the hot-dip galvanized welded pipe (9), and the hot-dip galvanized welded pipe (9) and the pipe body (1) are filled with an aluminum silicate needle blanket (10).

3. The CEMS system sampling probe of claim 2, wherein, The number of the pipe body (1) is two, and the two pipe bodies (1) are both arranged in the hot-dip galvanized welded pipe (9).

4. The CEMS system sampling probe of claim 2, wherein, One end of the pipe body (1) is connected with a sampling hole (7), and the other end is connected with a measuring meter (8).

5. The CEMS system sampling probe of claim 1, wherein, The humidity sensor probe (2) and the thermal resistance (3) are sealingly and fixedly connected with the pipe body (1) through a cable waterproof joint.

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