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A low-temperature and high-humidity exhaust gas temperature measurement and sampling device for condensing gas-fired boilers

A gas-fired boiler, low temperature and high humidity technology, used in measuring devices, sampling devices, temperature measurement of moving fluids, etc., can solve the problems of accelerating the flow rate of flue gas, unable to ensure the synchronization of temperature measurement of droplets, etc., and achieve reliable work and sufficient separation. Effect

Active Publication Date: 2018-07-03
HARBIN INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem that the existing measurement and sampling device cannot ensure the synchronization of liquid droplet temperature measurement and gas temperature measurement, and cannot accelerate the flow rate of flue gas, the present invention further proposes a low-temperature, high-humidity exhaust gas temperature measurement and sampling device for condensing gas-fired boilers

Method used

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  • A low-temperature and high-humidity exhaust gas temperature measurement and sampling device for condensing gas-fired boilers

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specific Embodiment approach 1

[0011] Specific implementation mode one: combine figure 1 To illustrate this embodiment, a low-temperature, high-humidity exhaust gas temperature measurement and sampling device for a condensing gas-fired boiler in this embodiment includes a wet gas suction pump 11, a sampling gun sleeve 12, a reverse flow air intake mechanism, a condensed water The temperature measurement mechanism and the clean flue gas sampling mechanism, the sampling gun casing 12 is set horizontally, the right end of the sampling gun casing 12 is connected to the wet flue gas suction pump 11, the reverse flow air intake mechanism, the condensed water temperature measurement The mechanism and the clean flue gas sampling mechanism are sequentially arranged in the sampling gun casing 12 from left to right.

[0012] In this embodiment, the inlet of wet flue gas is arranged in the center of the flue of the condensing gas boiler.

specific Embodiment approach 2

[0013] Specific implementation mode two: combination figure 1 Describe this embodiment. The reverse flow intake mechanism of a low-temperature, high-humidity exhaust gas temperature measurement and sampling device for a condensing gas-fired boiler in this embodiment includes a reverse flow intake pipe 1, a baffle plate 2, and a back-type reflux cover 3. The baffle plate 2 is installed at the left end port of the sampling gun casing 12, and the return type reflux cover 3 and the reverse flow air intake pipe 1 are arranged in the left end of the sampling gun casing 12 from left to right in sequence, and the reverse flow enters the The left end of the trachea 1 is inserted into the return type reflux hood 3, and the right end of the reverse flow air inlet pipe 1 is connected with the reverse flow air inlet 12-1 on the outer wall of the sampling gun sleeve 12. The wet smoke flows through the reverse intake pipe 1 to form a high-speed jet impacting the baffle 2, and the baffle 2 an...

specific Embodiment approach 3

[0014] Specific implementation mode three: combination figure 1 Describe this embodiment. The condensate temperature measurement mechanism of a low-temperature, high-humidity exhaust gas temperature measurement and sampling device for a condensing gas-fired boiler in this embodiment includes a mesh corrugated plate separator 4, a droplet collection tray 5 and a condensate temperature measurement mechanism. As for the measuring device 6 , the droplet collecting tray 5 is arranged under the mesh corrugated plate separator 4 , and the measuring end of the condensed water temperature measuring device 6 is arranged in the droplet collecting tray 5 . The mesh corrugated plate separator 4 catches the fine liquid droplets in the airflow, and collects the liquid droplets in the condensed water collection pan 5 in a direction, and the condensed water collection pan 5 collects the liquid droplets separated from the gas-liquid separation section of the sampling gun, and at the same time o...

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Abstract

A condensing gas boiler low-temperature and high-humidity exhaust gas temperature measurement and sampling device relates to a flue gas temperature measurement and sampling device, in particular to a condensing gas boiler low-temperature and high-humidity exhaust gas temperature measurement and sampling device. The present invention aims to solve the problem that there is no device capable of accurately analyzing and evaluating the efficiency of the condensing gas boiler. The invention comprises a wet smoke suction pump, a sampling gun casing, a reverse flow intake mechanism, a condensed water temperature measuring mechanism and a clean smoke sampling mechanism, the sampling gun casing is arranged horizontally, and the right end of the sampling gun casing is connected to the moisture The flue gas suction pump is connected, and the reverse flow intake mechanism, the condensed water temperature measurement mechanism, and the clean flue gas sampling mechanism are sequentially arranged in the casing of the sampling gun from left to right. It belongs to the field of gas boilers.

Description

technical field [0001] The invention relates to a flue gas temperature measurement and sampling device, in particular to a low temperature and high humidity exhaust gas temperature measurement and sampling device of a condensing gas boiler, which belongs to the field of gas boilers. Background technique [0002] The exhaust gas temperature of the condensing gas boiler reaches below 60°C, and the main component of the flue gas is N 2 , CO 2 And the small water droplets carried, directly using the existing contact and non-contact temperature measuring devices cannot truly measure the exhaust gas temperature. As a high-efficiency natural gas utilization device, the condensing gas boiler is difficult to accurately test and evaluate its energy efficiency due to the lack of a complete low-temperature and high-humidity exhaust gas temperature measurement and sampling device, which is an urgent problem to be solved by those skilled in the art. Based on the above, the utility model...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K13/02G01N1/22G01N1/34G01N1/42G01K13/024
CPCG01K13/02G01N1/2258G01N1/34G01N1/42
Inventor 高建民栾积毅管坚齐国利吴少华杜谦孙巧群
Owner HARBIN INST OF TECH
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