CN210639153U

CN210639153U - Gas pre-detection flow guide device

Info

Publication number: CN210639153U
Application number: CN201921671322.3U
Authority: CN
Inventors: 李昌; 石晴川; 周秀桦; 李幸蔚; 刘秋洁; 徐映全
Original assignee: Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Qinzhou Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-05-29
Anticipated expiration: 2029-10-08

Abstract

The utility model belongs to the technical field of gas detection, in particular to a gas pre-detection flow guide device, which comprises a gas inlet joint, a three-way pipe, a return pipe, a flow control valve, a flow divider, a first flow guide pipe, a second flow guide pipe, a pre-detection box and a comparison box; the utility model discloses, through setting up the flow divider, first honeycomb duct, examine box and contrast box in advance, the convenience is treated the gas that detects before detecting and is detected in advance, the contrast is made to the harmful gas sample that waits to detect in the box and contrast box to the detection personnel will examine in advance, thereby judge harmful gas's kind according to experience, then pass through the second honeycomb duct with harmful gas, the leading-in corresponding detection device that arrives of shunt tubes and connecting pipe detects, very big time of having saved gas detection has like this, the detection efficiency is improved, and the operating pressure of detection personnel has been alleviateed.

Description

Gas pre-detection flow guide device

Technical Field

The utility model belongs to the technical field of gaseous detection, concretely relates to gaseous preliminary detection guiding device.

Background

The development of industry inevitably produces a large amount of harmful gases which must be treated to be discharged into the atmosphere or to cause great harm to human bodies, but the produced harmful gases are different due to the uncertainty of industrial production processes, and gas detection is required for proper treatment of the gases.

Because of the complexity of harmful gas, single gaseous detection device often can't carry out accurate detection to all kinds of harmful gas, need to go through multiple detection device sometimes just can accurately detect out the composition in the harmful gas, but if all use multiple detection device to detect one by one when detecting harmful gas at every turn, very waste time, and efficiency is not high, in order to change this kind of condition, a gaseous preliminary examination guiding device now provides, through will wait to detect gaseous and the gaseous sample that has detected contrast, roughly confirm the kind of harmful gas, then lead to corresponding detection device with harmful gas and detect, measure the content of harmful substance in the gas, this kind of mode is higher than traditional detection mode efficiency, and can reduce workman's work burden.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a gaseous guiding device that detects in advance has the characteristics that improve gaseous detection efficiency and reduce workman work burden.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gaseous preliminary examination guiding device, includes air inlet joint, three-way pipe, flow control valve and flow divider, air inlet joint give vent to anger the end with the detachable connection of three-way pipe, the three-way pipe with flow control valve's the detachable connection of inlet end, flow control valve give vent to anger the end with flow divider's the detachable connection of inlet end, two of flow divider are given vent to anger the end and are detachably connected with first honeycomb duct and second honeycomb duct respectively, the end detachable connection of giving vent to anger of first honeycomb duct is examined the box in advance, examine the box in advance for transparent material, examine the fixed contrast box that is provided with in box one side in advance, just the detachable back flow that is connected with in side of examining the box in advance, be provided with the check valve on the back flow, the end of giving vent to.

Preferably, the comparison box is made of transparent materials, the comparison box and the pre-inspection box are identical in specification, and multiple harmful gas samples are stored in the comparison box in a classified mode.

Preferably, the flow divider valve is a two-position one-way valve.

Preferably, the detachable shunt tubes that is connected with of the end of giving vent to anger of second honeycomb duct, detachable intercommunication has a plurality of connecting pipes on the shunt tubes, and every the equal detachable different gas detector bodies that are connected with of end of giving vent to anger of connecting pipe, and every all be provided with the control valve on the connecting pipe.

Preferably, the air inlet joint is externally connected with an air inlet pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up the flow divider, first honeycomb duct, examine box and contrast box in advance, the convenience is treated the gas that detects before detecting and is detected in advance, the contrast is made to the harmful gas sample that waits to detect in the box and contrast box to the inspector will examine in advance, thereby judge harmful gas's kind according to experience, then pass through the second honeycomb duct with harmful gas, the leading-in corresponding detection device that arrives of shunt tubes and connecting pipe detects, very big time of having saved gas detection like this, the detection efficiency is improved, and the operating pressure of inspector has been alleviateed, time saving and labor saving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention in a disassembled state;

FIG. 2 is a schematic view of the structure of the present invention in the assembled state;

in the figure: 1. a comparison box; 2. pre-checking the box; 3. a first draft tube; 4. a flow divider valve; 5. a second draft tube; 6. a shunt tube; 7. a gas detector body; 8. a control valve; 9. a connecting pipe; 10. a flow regulating valve; 11. an air inlet joint; 12. a three-way pipe; 13. a return pipe; 14. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a gas pre-detection flow guide device comprises an air inlet joint 11, a three-way pipe 12, a flow control valve 10 and a flow divider 4, wherein the air inlet joint 11 is externally connected with an air inlet pipeline, the flow divider 4 is a two-position one-way valve, the air outlet end of the air inlet joint 11 is detachably connected with the three-way pipe 12, the three-way pipe 12 is detachably connected with the air inlet end of the flow control valve 10, the air outlet end of the flow control valve 10 is detachably connected with the air inlet end of the flow divider 4, two air outlet ends of the flow divider 4 are respectively detachably connected with a first flow guide pipe 3 and a second flow guide pipe 5, the air outlet end of the first flow guide pipe 3 is detachably connected with a pre-detection box 2, the pre-detection box 2 is made of transparent material, a comparison box 1 is fixedly arranged on one side of the pre-detection box 2, and the detachable side surface of the pre-, the comparison box 1 is made of transparent materials, the comparison box 1 and the pre-inspection box 2 are of the same specification, multiple harmful gas samples are stored in the comparison box 1 in a classified mode, a one-way valve 14 is arranged on the return pipe 13, the air outlet end of the return pipe 13 is communicated with the three-way pipe 12, the air outlet end of the second flow guide pipe 5 is detachably connected with a flow distribution pipe 6, the flow distribution pipe 6 is detachably communicated with a plurality of connecting pipes 9, the air outlet end of each connecting pipe 9 is detachably connected with different gas detector bodies 7, and a control valve 8 is arranged on each connecting pipe 9.

The utility model discloses a theory of operation and use flow: during the use, wait to detect gaseous entering three-way pipe 12 from air inlet joint 11, then adjust flow control valve 10 to the air input that needs, make harmful gas get into flow divider 4, adjust flow divider 4 this moment, make harmful gas get into in advance through first honeycomb duct 3 and examine box 2, the detection personnel contrast the harmful gas sample that waits to detect in the preliminary examination box 2 and contrast the box 1 in to the harmful gas sample, thereby judge the roughly kind and the composition of harmful gas, then adjust flow divider 4, make harmful gas get into shunt tubes 6 from second honeycomb duct 5, then control corresponding control valve 8 and open, make harmful gas get into corresponding gas detector body 7 from connecting pipe 9 in, conveniently detect, and the harmful gas in the preliminary examination box 2 can get into three-way pipe 12 again through check valve 14 and back flow 13, the utility model discloses, through setting up flow divider 4, first honeycomb duct 3, Examine box 2 and contrast box 1 in advance, the convenience is examined the gas of examining before the detection and is examined in advance, the testing personnel will examine in the box 2 in advance wait to examine the gas and compare the harmful gas sample in the box 1 and make the contrast, thereby judge the kind of harmful gas according to the experience, then pass through second honeycomb duct 5 with harmful gas, shunt tubes 6 and connecting pipe 9 are leading-in to corresponding detection device and are detected, the time of gaseous detection has greatly been saved like this, the detection efficiency is improved, and testing personnel's operating pressure has been alleviateed, time saving and labor saving.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gaseous preliminary examination guiding device, includes air inlet joint (11), three-way pipe (12), flow control valve (10) and flow divider (4), its characterized in that: the air outlet end of the air inlet joint (11) is detachably connected with the three-way pipe (12), the three-way pipe (12) is detachably connected with the air inlet end of the flow regulating valve (10), the air outlet end of the flow regulating valve (10) is detachably connected with the air inlet end of the flow divider (4), two air outlet ends of the diverter valve (4) are respectively detachably connected with a first guide pipe (3) and a second guide pipe (5), the air outlet end of the first flow guide pipe (3) is detachably connected with a pre-detection box (2), the pre-detection box (2) is made of transparent materials, a comparison box (1) is fixedly arranged on one side of the pre-detection box (2), and the side surface of the pre-detection box (2) is detachably connected with a return pipe (13), the return pipe (13) is provided with a one-way valve (14), and the air outlet end of the return pipe (13) is communicated with the three-way pipe (12).

2. A gas pre-detection flow guide device according to claim 1, wherein: the comparison box (1) is made of transparent materials, the comparison box (1) and the pre-inspection box (2) are identical in specification, and multiple harmful gas samples are stored in the comparison box (1) in a classified mode.

3. A gas pre-detection flow guide device according to claim 1, wherein: the flow divider valve (4) is a two-position one-way valve.

4. A gas pre-detection flow guide device according to claim 1, wherein: the end of giving vent to anger of second honeycomb duct (5) is detachable to be connected with shunt tubes (6), detachable intercommunication has a plurality of connecting pipes (9) on shunt tubes (6), and every the end of giving vent to anger of connecting pipe (9) is all detachable to be connected with different gas detector bodies (7), and every all be provided with control valve (8) on connecting pipe (9).

5. A gas pre-detection flow guide device according to claim 1, wherein: the air inlet joint (11) is externally connected with an air inlet pipeline.