Multi-principle smoke dust measuring instrument

A technology for measuring instruments and soot, which is applied in the field of multi-principle soot measuring instruments, can solve the problem that the dust sensor is not suitable for monitoring soot with smaller particle size, and is not suitable for monitoring soot with larger particle size and larger concentration.

Pending Publication Date: 2022-08-09
NANJING BORY AUTOMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the dust sensor based on the infrared principle is not suitable for monitoring smoke dust with a smaller particle size, and the dust sensor based on the laser principle is not suitable for monitoring smoke dust with a larger particle size and a higher concentration in the prior art. , and proposed a multi-principle soot measuring instrument

Method used

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  • Multi-principle smoke dust measuring instrument
  • Multi-principle smoke dust measuring instrument
  • Multi-principle smoke dust measuring instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Embodiment 1, refer to Figure 1-10 , a multi-principle smoke and dust measuring instrument, including:

[0056] installation barrel 1;

[0057] The smoke and dust communication unit 2 includes a smoke and dust passage 21 and a collection cover 22, and a collection cover 22 is provided on the inner side of the bottom of the installation cylinder 1, and the top interface of the collection cover 22 is connected to the bottom end of the smoke and dust passage 21;

[0058] The laser smoke detection unit 3 includes an inclined cylinder 31, a torsion head 33, a laser scattering receiver 34, a laser transmitter 35 and a laser transmission receiver 36. There is an inclined inclined cylinder 31 on the right side of the bottom end of the smoke passage 21. The bottom left side of the channel 21 is provided with a second inclined cylinder 31, the top left side of the dust passage 21 is provided with a third inclined cylinder 31, the inclined cylinder 31 on the right corresponds to...

Embodiment 2

[0078] Embodiment 2, refer to Figure 4-6 , a multi-principle smoke and dust measuring instrument, the structure of this embodiment is roughly the same as that of the first embodiment, the difference is:

[0079] The inclined cylinder positive pressure unit 5 is installed inside the installation cylinder 1 and is connected with three inclined cylinders 31;

[0080] The inclined cylinder positive pressure unit 5 includes an air inlet cylinder 51, an air filter screen 52, an air pump 53, a main pipe 54, a branch pipe 55 and a conical shunt hood 56. The inner top of the installation cylinder 1 is fixedly connected with an air pump 53, and the air inlet of the air pump 53 One end of the air intake cylinder 51 is connected. The other end of the air intake cylinder 51 is located outside the installation cylinder 1 and is provided with an air filter 52 inside. The air outlet of the air pump 53 is connected to one end of the main pipe 54. Three inclined cylinders 31 are connected, an...

Embodiment 3

[0082] Embodiment 3, refer to Figure 1-4 , a multi-principle smoke and dust measuring instrument, the structure of this embodiment is roughly the same as that of the second embodiment, the difference is:

[0083] The smoke and dust communication unit 2 also includes an inner ring plate 23, an external thread sleeve 24 and a sealing ring 25. The bottom of the smoke and dust passage 21 is provided with a sealing ring 25, and the sealing ring 25 is connected with the annular groove on the upper side of the collecting cover 22 to improve installation. Inner tightness of the cylinder 1, the inner bottom of the collecting cover 22 is provided with an inner ring plate 23, and the inner bottom of the inner ring plate 23 is provided with an external thread sleeve 24, through the external thread sleeve 24, it is convenient for the instrument to be installed on the side screw of the pipeline to be tested. inside the hole.

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Abstract

The invention discloses a multi-principle smoke dust measuring instrument, and belongs to the field of smoke dust detection. The smoke and dust communicating unit comprises a smoke and dust channel and a collecting cover, the collecting cover is arranged on the inner side of the bottom of the mounting cylinder, and a top connector of the collecting cover is connected with the bottom end of the smoke and dust channel; the laser smoke dust detection unit comprises an inclined cylinder, a torsion head, a laser scattering receiver, a laser transmitter and a laser transmission receiver, the inclined cylinder is arranged on the right side of the bottom end of the smoke dust channel, the second inclined cylinder is arranged at the bottom of the left side of the smoke dust channel, and the third inclined cylinder is arranged at the top of the left side of the smoke dust channel; the right inclined cylinder corresponds to the left bottom inclined cylinder, the ends of the three inclined cylinders are in threaded connection with torsion heads, a laser transmitter is arranged on the inner side of the right torsion head, a torsion head inner side laser scattering receiver on the left top and a torsion head inner side laser transmission receiver on the left bottom are arranged on the inner side of the right torsion head; the smoke concentration can be measured by using two principles, the application range is wide, and the detection result is accurate.

Description

technical field [0001] The invention relates to the technical field of smoke detection, in particular to a multi-principle smoke measurement instrument. Background technique [0002] In the modern industrial society, with the development of the world economy and the adjustment and transformation of the industrial structure, the problem of environmental pollution caused by pollution sources such as industrial boilers, power plant boilers and industrial kilns has become more and more prominent. control. During the monitoring process, the particle size of soot particles has a great influence on the scattering intensity signal, so that it is difficult for conventional soot online monitoring equipment to accurately measure the on-site soot concentration; [0003] At present, there are generally two types of dust measurement, dust sensor based on infrared principle and dust sensor based on laser principle. Among them, the dust sensor based on infrared principle is suitable for mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N21/01G01N21/51G01N21/59
CPCG01N15/06G01N21/01G01N21/51G01N21/59Y02A50/20
Inventor 杜煜马博程
Owner NANJING BORY AUTOMATION TECH CO LTD
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