CN214307113U

CN214307113U - Gas flow rate control device

Info

Publication number: CN214307113U
Application number: CN202120382111.9U
Authority: CN
Inventors: 张康康
Original assignee: Shandong Pallaton Boiler Manufacturing Co ltd
Current assignee: Shandong Pallaton Boiler Manufacturing Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-09-28
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a gas velocity of flow controlling means relates to the gas velocity of flow field. The utility model comprises a box body, an air inlet pipe penetrates through the lower part of one side of the box body, an air exhauster is arranged above one side of the box body through a fixed plate, a filter disc is arranged at the air inlet end of the air exhauster, when the exhaust gas is discharged, whether the nitrogen oxide in the lung gas exceeds the standard or not is checked through a nitrogen oxide detection sensor, if not, opening the second electromagnetic valve to discharge through the waste gas pipe, if the discharge standard is exceeded, closing the second electromagnetic valve, opening the first electromagnetic valve to make the insufficiently combusted waste gas enter the storage tank to be stored, when the fully combusted waste gas in the storage tank is saturated (observed by a pressure gauge), then the air pump is opened to pump the waste gas out and inject the waste gas into the box body through the connecting pipe for secondary combustion, thereby make full use of to the gas, improve resource utilization, can avoid the exhaust of not up to standard to the atmosphere to the environmental protection.

Description

Gas flow rate control device

Technical Field

The utility model relates to a gas velocity of flow field specifically is a gas velocity of flow controlling means.

Background

The fuel gas is a general term of gas fuel, can be combusted to emit heat for urban residents and industrial enterprises, can be generally divided into natural gas, artificial fuel gas, liquefied petroleum gas, biomass gas and the like according to the source of the fuel gas, and the fuel gas supply industry in China starts late compared with developed countries. The gas supply in China has increased substantially since the last 90 s.

Chinese patent No. CN202020966236.1 discloses an internal combustion type burner gas flow rate controller, it is through the real time monitoring to box internal pressure, can be better adjust the scope of the inside gas pressure of box, and then make the inside can fully burn of box, it is not enough to reduce present burning, but this mode still has the defect, like its "when gas pressure sensor 8 detects the deviation appearing in the description," nitrogen oxide detects sensor 13 and detects tail gas, when the nitrogen oxide in the tail gas discharges superscript ", there is the condition that tail gas is not conform to emission standard, influence the atmospheric environment, and it thinks that the box is internal through the fan and supplies air in order to guarantee its inside air is sufficient, but contain a large amount of dust in the air, easily adhere thick one deck at the box inner wall after sucking the box, need regularly clear up the box, it is troublesome.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a gas flow rate control device to there is exhaust emission not up to standard in solving this equipment, influences the atmospheric environment, and the fan adsorbs the dust and gets into the box, needs the technical problem of regularly clearing up.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas flow rate control device, includes the box, the intake pipe has been run through to one side below of box, the air exhauster is installed through the fixed plate in one side top of box, the filter disc is installed to the air inlet end of air exhauster, the bottom of filter disc is provided with rotatory bottom, the inside of rotatory bottom is provided with the activated carbon layer, the opposite side of box runs through there is the blast pipe, install nitrogen oxide detection sensor appearance and three-way pipe on the blast pipe respectively, and the blast pipe is connected with exhaust pipe and holding vessel respectively through the three-way pipe, the air pump is installed at the top of holding vessel, the end of giving vent to anger of air pump is connected with the connecting pipe, and the end of connecting pipe runs through the top of box, the surface mounting of holding vessel has the manometer.

Preferably, the rotary bottom cover is detachably connected with the filter disc through threads, and the rotary bottom cover is made of a wire mesh.

Preferably, a gas pressure sensor is installed in the middle of the top of the box body, a bottom plate is fixed at the bottom of the box body, and the storage tank is located on the bottom plate.

Preferably, the exhaust pipe is provided with a second solenoid valve, and the exhaust pipe connected with the storage tank is provided with a first solenoid valve.

Preferably, the outer surface of the box body is provided with an insulating layer.

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

1. the utility model discloses an install nitrogen oxide detection sensor on the blast pipe, the three-way pipe, the exhaust pipe, the bin, first solenoid valve, the second solenoid valve, when discharging waste gas, whether the nitrogen oxide in the inspection lung gas exceeds standard through nitrogen oxide detection sensor, if not, open the second solenoid valve and discharge through the exhaust pipe, if exceed emission standard, close the second solenoid valve, open the first solenoid valve, make the exhaust gas of not fully burning enter into the storage tank and preserve, when its inside for the exhaust gas of fully burning reaches the saturation (can observe the manometer), open the air pump and take out its inside exhaust gas and inject into the box through the connecting pipe, carry out the secondary combustion, thereby make full use of the gas, improve resource utilization, can avoid the exhaust gas of not up to standard to discharge into the atmosphere, thereby protect the environment, it is not up to standard to solve the exhaust emission, the problem of affecting the atmospheric environment;

2. the utility model discloses an air inlet end installation filter disc at the air exhauster, when the air exhauster induced draft, the air can get into the fan through the filter disc and finally get into the box, the filter disc can adsorb the impurity in the air, make the gas that gets into in the box keep pure, reduce the inside burning back inner wall of box and adhere black tiny granule, reduce the inside frequency of processing box, rotatory bottom can be dismantled with the filter disc simultaneously and be connected, conveniently change the activated carbon layer, it gets into the box to have solved the fan and adsorbs the dust, the technical problem that needs regularly clearance.

Drawings

FIG. 1 is an overall sectional view of the box body of the present invention;

FIG. 2 is a schematic view of a partial structure of the exhaust pipe of the present invention;

FIG. 3 is a schematic view of a partial structure of the filter disc of the present invention;

fig. 4 is the schematic view of the local structure of the heat-insulating layer of the present invention.

In the figure: 1. a box body; 2. a pressure gauge; 3. an air inlet pipe; 4. a fixing plate; 5. a filter disc; 6. an exhaust fan; 7. a connecting pipe; 8. a gas pressure sensor; 9. an exhaust pipe; 10. a nitrogen oxide detection sensor; 11. a three-way pipe; 12. a first solenoid valve; 13. a second solenoid valve; 14. an exhaust gas pipe; 15. an air pump; 16. a storage tank; 17. a heat-insulating layer; 18. rotating the bottom cover; 19. and an activated carbon layer.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, a gas flow rate control device comprises a box body 1, an air inlet pipe 3 penetrates through the lower portion of one side of the box body 1, an exhaust fan 6 is installed above one side of the box body 1 through a fixing plate 4, a filter disc 5 is installed at an air inlet end of the exhaust fan 6, a rotary bottom cover 18 is arranged at the bottom of the filter disc 5, an activated carbon layer 19 is arranged inside the rotary bottom cover 18, an exhaust pipe 9 penetrates through the other side of the box body 1, a nitrogen oxide detection sensor 10 and a three-way pipe 11 are installed on the exhaust pipe 9 respectively, the exhaust pipe 9 is connected with an exhaust pipe 14 and a storage tank 16 through the three-way pipe 11 respectively, an air pump 15 is installed at the top of the storage tank 16, an air outlet end of the air pump 15 is connected with a connecting pipe 7, the tail end of the connecting pipe 7 penetrates through the top of the box body 1, and a pressure gauge 2 is installed on the outer surface of the storage tank 16.

Specifically, please refer to fig. 1 and 3, the rotary bottom cover 18 is detachably connected to the filter disc 5 by a screw thread, and the rotary bottom cover 18 is made of a wire mesh;

through adopting above-mentioned technical scheme, can avoid it to get into inside box 1 through filter disc 5 with the tiny particle absorption in the air.

Specifically, please refer to fig. 1, wherein a gas pressure sensor 8 is installed in the middle of the top of the box body 1, a bottom plate is fixed at the bottom of the box body 1, and the storage tank 16 is located on the bottom plate;

through adopting above-mentioned technical scheme, can carry out real-time supervision to the inside pressure of box 1.

Specifically, please refer to fig. 1 and 2, a second solenoid valve 13 is installed on the exhaust pipe 14, and a first solenoid valve 12 is installed on the exhaust pipe 9 connected to the storage tank 16;

specifically, please refer to fig. 1 and 4, the outer surface of the box body 1 is provided with an insulating layer 17;

by adopting the technical scheme, the heat insulation performance of the box body 1 is improved.

The working principle is as follows: firstly, a box body 1 is installed, when in combustion, an exhaust fan 6 is opened to exhaust air, air can enter the exhaust fan 6 through a filter disc 5 and finally enters the box body 1, the filter disc 5 can adsorb impurities in the air, after the gas is combusted in the box body, the gas is discharged through an exhaust pipe 9, a nitrogen oxide detection sensor 10 is installed on the exhaust pipe 9, when the waste gas is discharged, whether the nitrogen oxide in the lung gas exceeds the standard or not is checked through the nitrogen oxide detection sensor 10, if the nitrogen oxide in the lung gas does not exceed the standard, a second electromagnetic valve 13 is opened and discharged through an exhaust pipe 14, if the discharge standard is exceeded, the second electromagnetic valve 13 is closed, a first electromagnetic valve 12 is opened, the waste gas which is not fully combusted is led into a storage tank 16 to be stored, when the waste gas which is fully combusted in the box body is saturated (can be observed through a pressure gauge 2), an air pump 15 is opened to extract the waste gas in the box body 1 and inject the waste gas into the box body 1 through a connecting pipe 7, and secondary combustion is carried out, so that the fuel gas is fully utilized.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. A gas flow rate control device comprising a case (1), characterized in that: an air inlet pipe (3) penetrates through the lower portion of one side of the box body (1), an exhaust fan (6) is installed on the upper portion of one side of the box body (1) through a fixing plate (4), a filter disc (5) is installed at an air inlet end of the exhaust fan (6), a rotary bottom cover (18) is arranged at the bottom of the filter disc (5), an activated carbon layer (19) is arranged inside the rotary bottom cover (18), an exhaust pipe (9) penetrates through the other side of the box body (1), a nitrogen oxide detection sensor (10) and a three-way pipe (11) are installed on the exhaust pipe (9) respectively, the exhaust pipe (9) is connected with an exhaust pipe (14) and a storage tank (16) through the three-way pipe (11), a storage tank (16) is installed at the top portion, an air outlet end of the air pump (15) is connected with a connecting pipe (7), and the tail end of the connecting pipe (7) penetrates through the top portion of the box body (1), and a pressure gauge (2) is arranged on the outer surface of the storage tank (16).

2. A gas flow rate control device according to claim 1, characterized in that: the rotary bottom cover (18) is detachably connected with the filter disc (5) through threads, and the rotary bottom cover (18) is made of wire netting.

3. A gas flow rate control device according to claim 1, characterized in that: install gas pressure sensor (8) in the middle of the top of box (1), the bottom of box (1) is fixed with the bottom plate, and holding vessel (16) are located the bottom plate.

4. A gas flow rate control device according to claim 1, characterized in that: and a second electromagnetic valve (13) is arranged on the waste gas pipe (14), and a first electromagnetic valve (12) is arranged on an exhaust pipe (9) connected with the storage tank (16).

5. A gas flow rate control device according to claim 1, characterized in that: and a heat-insulating layer (17) is arranged on the outer surface of the box body (1).