CN218848088U

CN218848088U - Nitrogen dioxide detector for tail gas of biogas generator

Info

Publication number: CN218848088U
Application number: CN202222753745.8U
Authority: CN
Inventors: 孔海森; 徐贵旺; 卢荻; 孙喆; 肖杏
Original assignee: Shenzhen Angwei Electronics Co ltd
Current assignee: Shenzhen Angwei Electronics Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-04-11
Anticipated expiration: 2032-10-19

Abstract

The utility model provides a nitrogen dioxide detector of marsh gas generator tail gas, it includes casing, pipe, battery, main control board, sensor and alarm portion, and the casing is equipped with air inlet, gas outlet and communication hole, and the air inlet is connected to pipe one end, and the gas outlet is connected to the pipe other end, communication jogged joint alarm portion, sensor fixed connection pipe, the tail gas end of marsh gas generator is connected to the air inlet. The sensor is used for detecting nitrogen dioxide information of gas in the guide pipe, and the main control board receives the nitrogen dioxide information sent by the sensor to analyze the nitrogen dioxide content information. The main control board compares the analyzed nitrogen dioxide content information with a preset nitrogen dioxide content threshold range, and sends a preset lighting signal to the indicator lamp according to the comparison structure, so that a worker can quickly judge whether the nitrogen dioxide content in the tail gas of the biogas generator exceeds the standard through the lighting color of the indicator lamp, and the purpose of reminding the worker to replace the denitrifier is achieved.

Description

Nitrogen dioxide detector for tail gas of biogas generator

Technical Field

The utility model relates to a gaseous detection technology field, in particular to nitrogen dioxide detector of marsh gas generator tail gas.

Background

The methane generator is one kind of generator, uses methane produced by anaerobic fermentation treatment on an engine, is provided with a comprehensive power generation device to generate electric energy and heat energy, and has the characteristics of efficiency creation, energy saving, safety, environmental protection and the like. The biogas contains nitrogen, nitrogen dioxide generated after the nitrogen is combusted is one of the causes of acid rain, and the nitrogen dioxide can also cause respiratory diseases. Therefore, the nitrogen removal agent is used for treating tail gas discharged by the biogas generator, and the content of discharged nitrogen dioxide is prevented from exceeding the standard.

Because the tail gas that marsh gas discharged contains water, easily makes the denitrifier moist, shortens denitrifier's life, consequently needs a detecting system that can detect marsh gas generator tail gas nitrogen oxide urgent to need, ensures to change the denitrifier in time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a nitrogen dioxide detector of biogas generator tail gas, in order to overcome in the present biogas generator after the denitrifier became invalid can not in time change the denitrifier and lead to the technical problem that nitrogen dioxide content exceeds standard in the tail gas of emission.

The utility model provides a nitrogen dioxide detector of biogas generator tail gas, it includes casing, pipe, battery, main control board, sensor and alarm portion, the casing is equipped with the cavity, just the pipe the battery the main control board with the sensor is installed the casing inner chamber, alarm portion installs casing one side, the casing is equipped with air inlet, gas outlet and communication hole, pipe one end is connected the air inlet, the pipe other end is connected the gas outlet, the communication jogged joint alarm portion, sensor fixed connection the pipe, the main control board is electric connection respectively the battery the sensor with alarm portion, biogas generator's tail gas end is connected to the air inlet.

Further, alarm portion includes pilot lamp, mount and a plurality of grafting post, the pilot lamp with grafting post electric connection, the mount is "L" shape, mount one end is connected the pilot lamp, the mount other end installation is a plurality of the grafting post, the grafting post is cylindrical setting, and is a plurality of the diameter size that the grafting post was kept away from mount one end is degressive in proper order, the grafting post is close to grafting post one end sets up outer tooth.

Furthermore, an inner screw thread is arranged at one end of the communication hole close to the alarm portion, a plurality of inserting holes are formed in the other end of the communication hole, the inserting holes are sequentially arranged, the shapes of the inserting holes correspond to those of the inserting posts, the inserting posts are sleeved with the inserting holes, and the inserting holes are electrically connected with the main control board.

Furthermore, the bottom of the shell is provided with supporting legs which are provided with fixing holes, the top of the shell is provided with a power supply interface, and the power supply interface is electrically connected with the battery.

Further, the main control board is used for analyzing and processing the signals sent by the sensors and presetting a nitrogen dioxide content threshold range.

Compared with the prior art, the utility model provides a pair of nitrogen dioxide detector of marsh gas generator tail gas has following advantage:

1. the air inlet is used for being connected with a tail gas end of the biogas generator, the sensor is used for detecting nitrogen dioxide information of gas in the guide pipe, and the main control board receives the nitrogen dioxide information sent by the sensor and analyzes the nitrogen dioxide content information. The main control board compares the analyzed nitrogen dioxide content information with a preset nitrogen dioxide content threshold range, and sends a preset lighting signal to the indicator lamp according to the comparison structure, so that a worker can quickly judge whether the nitrogen dioxide content in the tail gas of the biogas generator exceeds the standard through the lighting color of the indicator lamp, and the purpose of reminding the worker to replace the denitrifier is achieved.

Drawings

Fig. 1 is an exploded view of the overall structure of a nitrogen dioxide detector for biogas generator tail gas according to the present invention;

fig. 2 is a schematic view of the overall structure of the nitrogen dioxide detector for the tail gas of the biogas generator provided by the utility model.

Description of reference numerals: 1. a nitrogen dioxide detector for the tail gas of the biogas generator; 2. a housing; 3. a conduit; 4. a battery; 5. a main control board; 6. a sensor; 7. an alarm unit;

21. an air inlet; 22. a communication hole; 23. an air outlet; 24. inserting holes; 25. a power interface; 26. supporting legs; 27. a fixing hole; 71. inserting the column; 72. an indicator light; 73. a fixing frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Please refer to fig. 1 to 2, the utility model provides a nitrogen dioxide detector 1 of marsh gas generator tail gas, it includes casing 2, pipe 3, battery 4, main control board 5, sensor 6 and alarm portion 7, casing 2 is equipped with the cavity, and pipe 3, battery 4, main control board 5 and sensor 6 install at 2 inner chambers of casing, alarm portion 7 is installed in casing 2 one side, casing 2 is equipped with air inlet 21, gas outlet 23 and communication hole 22, air inlet 21 is connected to pipe 3 one end, gas outlet 23 is connected to the pipe 3 other end, communication hole 22 connects alarm portion 7, sensor 6 fixed connection pipe 3, main control board 5 is electric connection battery 4 respectively, sensor 6 and alarm portion 7, the tail gas end of marsh gas generator is connected to air inlet 21.

Preferably, the alarm portion 7 includes an indicator light 72, a fixing frame 73 and a plurality of plug-in posts 71, the indicator light 72 is electrically connected to the plug-in posts 71, the fixing frame 73 is L-shaped, one end of the fixing frame 73 is connected to the indicator light 72, the other end of the fixing frame 73 is provided with the plurality of plug-in posts 71, the plug-in posts 71 are arranged in a cylindrical shape, the diameter of the ends, far away from the fixing frame 73, of the plurality of plug-in posts 71 decreases in size, and the ends, close to the plug-in posts 71, of the plug-in posts 71 are provided with external threads.

Preferably, one end of the communication hole 22 close to the alarm portion 7 is provided with an internal screw thread, the other end of the communication hole 22 is provided with a plurality of plug holes 24, the plug holes 24 are sequentially arranged and have a shape corresponding to the shape of the plug posts 71, the plug posts 71 are sleeved with the plug holes 24, and the plug holes 24 are electrically connected with the main control board 5.

Preferably, the bottom of the housing 2 is provided with a supporting leg 26, the supporting leg 26 is provided with a fixing hole 27, the top of the housing 2 is provided with a power interface 25, and the power interface 25 is electrically connected to the battery 4.

Preferably, the main control board 5 is configured to analyze and process the signal sent by the sensor 6, and preset a nitrogen dioxide content threshold range.

The work is far away: the battery 4 provides working electric energy for the nitrogen dioxide detector 1 of the tail gas of the biogas generator, and the detector can be charged through the power interface 25, so that the working endurance time of the detector is prolonged. While the indicator light 72 is provided with three colors of red, yellow and green.

Further, the tail gas discharged from the gas inlet 21 connected to the biogas generator is discharged, so that the discharged tail gas to be detected enters the conduit 3 and is discharged from the gas outlet 23. And detecting the content of nitrogen dioxide in the tail gas to be detected through the sensor 6 of the connecting conduit 3, and sending the detection information to the main control panel 5. The main control panel 5 analyzes and processes the received detection information, and compares the analyzed result with a pre-stored threshold range of the nitrogen dioxide content. The main control panel 5 sends a working signal to the indicator lamp 72 in the alarm part 7 according to the comparison result, so that the worker can judge whether the nitrogen removing agent works normally to remove nitrogen through the color of the indicator lamp 72.

For example, when the content of nitrogen dioxide in the biogas generator tail gas is lower than the preset threshold range of the content of nitrogen dioxide in the main control board 5, the main control board 5 sends a designated working signal to the indicator lamp 72, so that the indicator lamp 72 is turned on green.

For another example, when the content of nitrogen dioxide in the biogas generator tail gas is higher than the preset threshold range of the content of nitrogen dioxide in the main control board 5, the main control board 5 sends a designated working signal to the indicator light 72, so that the indicator light 72 is turned on red.

Specifically, when the alarm portion 7 and the communication hole 22 are fixedly connected by the screw threads, the insertion post 71 and the insertion hole 24 are sleeved, and the main control board 5 sends a designated work signal to the indicator light 72 through the sleeved insertion hole 24 and the insertion post 71.

Further, the bottom of the shell 2 is provided with a supporting leg 26, the supporting leg 26 is fixedly connected to the tail gas end of the biogas generator through a fixing hole 27 by screws, and the phenomenon that the generator and the detector are disconnected when the detector works is avoided, so that the detection result is influenced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a nitrogen dioxide detector of marsh gas generator tail gas which characterized in that: including casing, pipe, battery, main control board, sensor and alarm portion, the casing is equipped with the cavity, just the pipe the battery the main control board with the sensor is installed the casing inner chamber, alarm portion installs casing one side, the casing is equipped with air inlet, gas outlet and communication hole, pipe one end is connected the air inlet, the pipe other end is connected the gas outlet, the communication jogged joint alarm portion, sensor fixed connection the pipe, the main control board is electric connection respectively the battery the sensor with alarm portion, the tail gas end of marsh gas generator is connected to the air inlet.

2. The nitrogen dioxide detector for biogas generator tail gas as recited in claim 1, wherein: alarm portion includes pilot lamp, mount and a plurality of grafting post, the pilot lamp with grafting post electric connection, the mount is "L" shape, mount one end is connected the pilot lamp, the mount other end installation is a plurality of the grafting post, the grafting post is cylindrical setting, and is a plurality of the grafting post is kept away from the diameter size of mount one end is steadilyd decrease in proper order, the grafting post is close to grafting post one end sets up outer tooth.

3. The nitrogen dioxide detector for biogas generator tail gas as claimed in claim 2, characterized in that: the communication hole is close to and is passed through alarm portion one end is equipped with interior screw thread, the communication hole other end is equipped with a plurality of spliced eye, and is a plurality of the spliced eye is arranged in proper order and the shape corresponds with a plurality of the shape of spliced pole, the spliced pole with the spliced eye cup joints, spliced eye electric connection the main control board.

4. The nitrogen dioxide detector for biogas generator tail gas as recited in claim 3, wherein: the improved solar battery is characterized in that supporting legs are arranged at the bottom of the shell and provided with fixing holes, and a power interface is arranged at the top of the shell and electrically connected with the battery.

5. The nitrogen dioxide detector for biogas generator tail gas as claimed in claim 1, characterized in that: the main control board is used for analyzing and processing the signals sent by the sensors and presetting a nitrogen dioxide content threshold range.