CN219391483U

CN219391483U - Smoke and dust flue gas sampling check out test set with overtemperature protection

Info

Publication number: CN219391483U
Application number: CN202223398340.3U
Authority: CN
Inventors: 李强; 李小兵
Original assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Current assignee: Beijing Peony Friends Union Environmental Protection Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-07-21
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses smoke and dust smoke sampling detection equipment with over-temperature protection, which comprises a machine base and a sampling tube, wherein the sampling tube is of a double-layer structure, the sampling tube comprises an inner tube and an outer tube, the inner tube penetrates through the inner part of the outer tube, an airflow cavity is formed between the inner tube and the outer tube, and the inner part of the sampling tube is rotationally connected with an air inlet tube through a first sealing bearing. This smoke and dust flue gas sampling check out test set with overtemperature protection blows to the air current chamber through air pump extraction cooling medium and through intake pipe department, and the cooling medium of air current chamber department returns to the inside of cooling tank through the outlet duct again for cooling medium is at the inside reciprocating flow of intake pipe and air current chamber, and cooling medium cools off the inner wall of inner tube, and the temperature of the smoke and dust flue gas that makes the emission is within the temperature range that humidity transducer bore, carries out the cooling protection to humidity transducer, and the effectual high temperature that avoids causes the harm to humidity transducer.

Description

Smoke and dust flue gas sampling check out test set with overtemperature protection

Technical Field

The utility model relates to the technical field of sampling, in particular to smoke sampling and detecting equipment with over-temperature protection.

Background

When detecting the humidity in the flue, do not do fundamental protection to humidity transducer, the change of wind speed can lead to the fact the influence to humidity transducer's measuring result, and during on-the-spot measurement, when humidity transducer's the wind speed of the environment that is located exceeded its bearable maximum wind speed, the excessive pressure can cause the sensor to detect the trouble, and current integrated type discharged smoke and dust flue gas detector is in the course of the work moreover, often makes humidity transducer receive the damage because of the high temperature of smoke and dust flue gas.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides smoke sampling and detecting equipment with over-temperature protection, which solves the problems that when the wind speed of the environment where the existing smoke sampling and detecting equipment is positioned exceeds the bearable maximum wind speed, the sensor detects faults due to overvoltage and the humidity sensor is damaged due to the high-temperature environment.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a smoke and dust flue gas sampling check out test set with overtemperature protection, includes frame and sampling tube, the sampling tube is bilayer structure, the sampling tube includes inner tube and outer tube, and the inner tube runs through in the inside of outer tube, form the air current chamber between inner tube and the outer tube, the inside of sampling tube is connected with the intake pipe through first sealed bearing rotation, and the left end and the air current chamber intercommunication of intake pipe, the middle part and the lower part of frame inner chamber are equipped with air pump and cooling tank, and the input and the upper portion intercommunication of cooling tank of air pump, the right-hand member intercommunication of air pump and intake pipe is passed through to the right-hand member intercommunication of second sealed bearing, the right side intercommunication of sampling tube bottom has the outlet duct, and the output and the left side intercommunication of cooling tank of outlet duct.

Preferably, a sampling cover is arranged on the left side of the bottom of the outer tube, and the upper part of the sampling cover penetrates through the airflow cavity and is communicated with the inner tube.

Preferably, the surface of the air inlet pipe is fixedly connected with an air flow slowing blade, and the air flow slowing blade is in a spiral structure.

Preferably, the right side of outer tube upper portion is equipped with out the tobacco pipe, and the bottom of going out the tobacco pipe runs through in the air current chamber and communicates with the inner tube.

Preferably, a humidity sensor is arranged at the upper part of the inner cavity of the machine base, and the detection end of the humidity sensor penetrates through the smoke outlet pipe.

Preferably, the cooling tank is internally provided with a cooling medium, and the cooling medium is nitrogen or argon.

Preferably, a plurality of cooling fins and an external radiator mounting frame are arranged outside the cooling tank.

Advantageous effects

The utility model provides smoke sampling and detecting equipment with over-temperature protection. Compared with the prior art, the method has the following beneficial effects:

(1) This smoke and dust flue gas sampling check out test set with overtemperature protection blows to the air current chamber through air pump extraction cooling medium and through intake pipe department, and the cooling medium of air current chamber department returns to the inside of cooling tank through the outlet duct again for cooling medium is at the inside reciprocating flow of intake pipe and air current chamber, and cooling medium cools off the inner wall of inner tube, and the temperature of the smoke and dust flue gas that makes the emission is within the temperature range that humidity transducer bore, carries out the cooling protection to humidity transducer, and the effectual high temperature that avoids causes the harm to humidity transducer.

(2) This smoke and dust flue gas sampling check out test set with overtemperature protection, the leaf rotates is slowed down in the inside smoke and dust flue gas blowing air current through getting into the inner tube, and the air current slows down the leaf and slows down the buffering to smoke and dust flue gas, when making smoke and dust flue gas pass through humidity transducer's detection end, prevents effectively that smoke and dust flue gas from causing serious injury owing to the velocity of flow is too high, avoids the too high smoke and dust flue gas humidity transducer of velocity of flow.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is a perspective view of the structure of the sampling cap of the present utility model;

fig. 3 is a structural perspective view of the airflow-slowing blade of the present utility model.

In the figure: 1. a base; 2. a sampling cylinder; 21. an inner tube; 22. an outer tube; 23. an airflow cavity; 24. a first sealed bearing; 25. an air inlet pipe; 26. a second sealed bearing; 27. an air outlet pipe; 3. an air pump; 4. airflow moderating leaves; 41. a heat sink; 42. an external radiator mounting rack; 5. a humidity sensor; 6. airflow moderating leaves; 7. a smoke outlet pipe; 8. a sampling cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a smoke and dust flue gas sampling check out test set with overtemperature protection, including frame 1 and sampling tube 2, sampling tube 2 is bilayer structure, sampling tube 2 includes inner tube 21 and outer tube 22, and inner tube 21 runs through in the inside of outer tube 22, form air current chamber 23 between inner tube 21 and the outer tube 22, the inside of sampling tube 2 is connected with intake pipe 25 through first sealed bearing 24 rotation, and the left end and the air current chamber 23 intercommunication of intake pipe 25, the middle part and the lower part of frame 1 inner chamber are equipped with air pump 3 and cooling tank 4, and the input of air pump 3 communicates with the upper portion of cooling tank 4, the output of air pump 3 communicates with the right-hand member of intake pipe 25 through second sealed bearing 26, the right side intercommunication of sampling tube 2 bottom has outlet duct 27, and the output of outlet duct 27 communicates with the left side of cooling tank 4, the cooling medium is adorned in the cooling tank 4, and the cooling medium is nitrogen gas or argon gas, the left side of outer tube 22 bottom is equipped with sampling cover 8, the upper part of the sampling cover 8 penetrates through the airflow cavity 23 and is communicated with the inner pipe 21, a cooling medium is extracted by the air pump 3 and blown to the airflow cavity 23 through the air inlet pipe 25, the cooling medium at the airflow cavity 23 is returned to the inside of the cooling tank 4 through the air outlet pipe 27, so that the cooling medium flows back and forth in the air inlet pipe 25 and the inside of the airflow cavity 23, the cooling medium cools the inner wall of the inner pipe 21, the temperature of the discharged smoke and dust is within the temperature range born by the humidity sensor 5, the humidity sensor 5 is cooled and protected, the damage to the humidity sensor caused by high temperature is effectively avoided, the right side of the upper part of the outer pipe 22 is provided with the smoke outlet pipe 7, the bottom of the smoke outlet pipe 7 penetrates through the airflow cavity 23 and is communicated with the inner pipe 21, the upper part of the inner cavity of the engine base 1 is provided with the humidity sensor 5, the detection end of the humidity sensor 5 penetrates through the inside of the smoke outlet pipe 7, the surface of the air inlet pipe 25 is fixedly connected with the air flow slowing blade 6, the air flow slowing blade 6 is in a spiral structure, the air flow slowing blade 6 is blown by the smoke and dust fume entering the inner pipe 21 to rotate, the air flow slowing blade 6 slows down and buffers the smoke and dust fume, and when the smoke and dust fume passes through the detection end of the humidity sensor 5, the smoke and dust fume is effectively prevented from being seriously damaged by the excessively high flow velocity of the smoke and dust fume humidity sensor;

the cooling tank 4 is provided with a plurality of cooling fins 41 and an external radiator mounting frame 42 outside, the cooling fins 41 mainly radiate heat absorbed by a cooling medium, so that the circulating radiating effect of the cooling tank is optimal, the external radiator mounting frame 42 is mainly used for fixing an external radiator, and when the cooling medium in the cooling tank 4 absorbs too high heat and cannot radiate heat through the cooling fins, the external radiator can radiate heat; in this document, the tank body of the cooling tank 4 is a heat conductive material.

And all that is not described in detail in this specification is well known to those skilled in the art.

When in use, the sampling cover 8 of the device is extended into an emission source, smoke and dust fume discharged by the emission source enters the sampling cylinder 2 through the sampling cover 8, if the temperature of the discharged smoke and dust fume exceeds the temperature range born by the humidity sensor 5, the air pump 3 is started to pump cooling medium at the cooling tank 4 and blow the cooling medium to the air flow cavity 23 through the air inlet pipe 25, the cooling medium at the air flow cavity 23 is returned to the inside of the cooling tank 4 through the air outlet pipe 27, the cooling medium is made to flow reciprocally in the air inlet pipe 25 and the air flow cavity 23, so that the cooling medium cools the inner wall of the inner pipe 21, and simultaneously, the smoke and dust fume entering the inner pipe 21 is cooled, when the wind speed of the smoke and dust fume emission is large, the smoke and dust fume entering the inner pipe 21 blows the airflow slowing down blade 6 to rotate, the airflow slowing down blade 6 slows down and buffers the smoke and dust fume, and when the smoke and dust fume passes through the detection end of the humidity sensor 5, the wind speed is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smoke and dust flue gas sampling check out test set with overtemperature protection, includes frame (1) and sampling tube (2), its characterized in that: the utility model provides a sampling tube (2) is bilayer structure, sampling tube (2) include inner tube (21) and outer tube (22), and inner tube (21) run through in the inside of outer tube (22), form air current chamber (23) between inner tube (21) and outer tube (22), the inside of sampling tube (2) is connected with intake pipe (25) through first sealed bearing (24) rotation, and the left end and the air current chamber (23) intercommunication of intake pipe (25), the middle part and the lower part of frame (1) inner chamber are equipped with air pump (3) and cooling tank (4), and the upper portion intercommunication of the input and cooling tank (4) of air pump (3), the right-hand member intercommunication of air pump (3) and intake pipe (25) is passed through second sealed bearing (26), the right side intercommunication of sampling tube (2) bottom has outlet duct (27), and the left side intercommunication of the output and cooling tank (4) of outlet duct (27).

2. A smoke sampling detection apparatus with over-temperature protection as defined in claim 1, wherein: the left side of outer tube (22) bottom is equipped with sampling cover (8), and the upper portion of sampling cover (8) runs through in air current chamber (23) and communicates with inner tube (21).

3. A smoke sampling detection apparatus with over-temperature protection as defined in claim 1, wherein: the surface of the air inlet pipe (25) is fixedly connected with an air flow slowing blade (6), and the air flow slowing blade (6) is of a spiral structure.

4. A smoke sampling detection apparatus with over-temperature protection as defined in claim 1, wherein: the right side of outer tube (22) upper portion is equipped with out tobacco pipe (7), and the bottom of going out tobacco pipe (7) runs through in airflow cavity (23) and communicates with inner tube (21).

5. The smoke sampling and detection apparatus with over-temperature protection of claim 4, wherein: the upper part of the inner cavity of the machine base (1) is provided with a humidity sensor (5), and the detection end of the humidity sensor (5) penetrates through the interior of the smoke outlet pipe (7).

6. A smoke sampling detection apparatus with over-temperature protection as defined in claim 1, wherein: the cooling tank (4) is internally provided with a cooling medium, and the cooling medium is nitrogen or argon.

7. A smoke sampling detection apparatus with over-temperature protection as defined in claim 1, wherein: the outside of cooling tank (4) is provided with a plurality of fin (41) and external radiator mounting bracket (42).