Nitrogen replacement mechanism

Abstract

The utility model discloses a nitrogen replacement mechanism which is characterized by comprising a main body, a nitrogen conveying pipe, an air exhaust pipe, a nitrogen exhaust pipe, a main exhaust pipe, a first pressure gauge, a nitrogen detection gauge, a nitrogen cylinder, a nitrogen throttle valve, a first gas valve, a second gas valve, a valve, a third gas valve, a piston, a nitrogen inlet, a knob, a second pressure gauge and a hose, nitrogen is used for pushing the piston to advance, nitrogen is introduced while gas in the main body is pushed out, incomplete replacement is prevented, an air outlet is formed in the side edge of the main body and at the moving tail end of the piston, air is completely exhausted, valves are installed on each exhaust pipe and each gas conveying pipe, and impurities are prevented from being mixed in the replacement process. A nitrogen detection meter is installed on the nitrogen exhaust pipe to detect whether the main body is filled with nitrogen or not.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen replacement technical field, concretely is a nitrogen replacement mechanism. BACKGROUND

[0002] The basic principle of ammonia replacement is to use the non-combustibility and chemical stability of nitrogen, replace the gas in the original space or pipeline by injecting nitrogen, thereby reducing the content of combustible material, inhibiting flame propagation and material cavitation, and achieving the purpose of preventing fire, explosion and improving production safety.

[0003] The replacement may not be complete during the nitrogen replacement process, and the nitrogen replacement may not achieve complete and thorough results, which may cause safety hazards in the subsequent production or use process, may affect product quality, and may introduce trace impurities or residues during the nitrogen replacement process, which may affect the quality of the product. UTILITY MODEL CONTENT

[0004] The utility model discloses a nitrogen replacement mechanism, carries out nitrogen replacement.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a nitrogen replacement mechanism, characterized by comprising: a main body, a nitrogen supply pipe, an air exhaust pipe, a nitrogen exhaust pipe, a total exhaust pipe, a first pressure gauge, a nitrogen detection table, a nitrogen cylinder, a nitrogen throttle valve, a first gas check valve, a second gas check valve, a valve, a third gas check valve, a piston, a nitrogen inlet, a knob, a second pressure gauge, a hose, the nitrogen cylinder is connected with the hose through the nitrogen throttle valve, the hose is connected with the nitrogen supply pipe through a threaded joint, the nitrogen supply pipe is fixedly connected with the main body, the main body is fixedly connected with the air exhaust pipe, the nitrogen exhaust pipe and the total exhaust pipe.

[0006] Preferably, the nitrogen detection table is installed on the nitrogen exhaust pipe.

[0007] Preferably, the nitrogen exhaust pipe and the total exhaust pipe are installed on the side of the main body.

[0008] Preferably, the nitrogen supply pipe and the air exhaust pipe are installed on both ends of the main body.

[0009] Preferably, the piston is located in the main body.

[0010] Preferably, the first pressure gauge is installed on the side of the main body.

[0011] Preferably, the nitrogen throttle valve comprises a knob and a second pressure gauge.

[0012] Preferably, the first gas check valve is installed on the nitrogen exhaust pipe, the second gas check valve is installed on the air exhaust pipe, the valve is installed on the total exhaust pipe, and the third gas check valve is installed on the nitrogen supply pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a nitrogen replacement mechanism improves, adds piston in the original nitrogen replacement mechanism, and the piston is pushed forward with nitrogen, and the gas in the main part is pushed out while the nitrogen is passed in, prevents not completely replacing, installs the air outlet in the main part side, and the air is completely discharged at the piston movement end, and every exhaust pipe and gas pipe are installed with the valve, prevents mixing the impurity in the replacement process, installs the nitrogen detection meter on the nitrogen exhaust pipe and detects whether the main part is full of nitrogen. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the main part;

[0018] Figure 3 It is the structure schematic diagram of the nitrogen gas throttle valve;

[0019] In the drawing: 1 main part, 2 nitrogen gas pipe, 3 air exhaust pipe, 4 nitrogen exhaust pipe, 5 total exhaust pipe, 6 first pressure gauge, 7 nitrogen detection meter, 8 nitrogen cylinder, 9 nitrogen gas throttle valve, 10 first gas check valve, 11 second gas check valve, 12 valve, 13 third gas check valve, 14 piston, 15 nitrogen inlet, 16 knob, 17 second pressure gauge, 18 hose. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making the creative labor belong to the range of the utility model protection.

[0021] Please combine with the reference Figure 1 , the prior art nitrogen replacement mechanism has the shortcomings of possible incomplete replacement, possible introduction of trace impurities or residues during the replacement process.

[0022] The utility model discloses based on above -mentioned problem provides a nitrogen replacement mechanism, through increasing piston in the original nitrogen replacement mechanism, every exhaust pipe and gas pipe are equipped with the valve, reach replacement thoroughly, prevent the effect of introducing impurity, the specific details refer to the following embodiment.

[0023] Please refer to Figures 1-3 A nitrogen replacement mechanism, characterized in that, including, main body 1, nitrogen gas pipe 2, exhaust pipe 3, nitrogen gas pipe 4, total exhaust pipe 5, first pressure gauge 6, nitrogen detection table 7, nitrogen cylinder 8, nitrogen throttle valve 9, first gas check valve 10, second gas check valve 11, valve 12, third gas check valve 13, piston 14, nitrogen inlet 15, knob 16, second pressure gauge 17, hose 18, nitrogen cylinder 8 is connected through nitrogen throttle valve 9 hose 18, hose 18 is connected through threaded joint nitrogen gas pipe 2, nitrogen gas pipe 2 fixedly connected main body 1, main body 1 is fixedly connected with exhaust pipe 3, nitrogen gas pipe 4, total exhaust pipe 5, first pressure gauge 6.

[0024] Wherein, the nitrogen detection table 7 is installed on nitrogen gas pipe 4.

[0025] Wherein, the nitrogen gas pipe 4, total exhaust pipe 5 are installed on the side of main body 1.

[0026] Wherein, the nitrogen gas pipe 2, exhaust pipe 3 are installed on both ends of main body 1, and the exhaust pipe 3 is installed on both ends to facilitate clean air exhaust.

[0027] Wherein, the piston 14 is located in the inside of main body 1.

[0028] Wherein, the first pressure gauge 6 is installed on the side of main body 1, facilitating observation pressure.

[0029] Wherein, the nitrogen throttle valve 9 includes knob 16 and second pressure gauge 17, can control the nitrogen of entering main body 1 how many and pressure size.

[0030] Wherein, the first gas check valve 10 is installed on nitrogen gas pipe 4, the second gas check valve 11 is installed on exhaust pipe 3, the valve 12 is installed on total exhaust pipe 5, the third gas check valve 13 is installed on nitrogen gas pipe 2, and the second gas check valve 11 is a check valve that can prevent impurities from entering.

[0031] Working principle: open nitrogen throttle valve 9 to release nitrogen in nitrogen cylinder 8, the amount of released nitrogen can be adjusted by rotating knob 16 and observing second pressure gauge 17, the released nitrogen enters nitrogen delivery pipe 2 through hose 18, then open third gas check valve 13, nitrogen enters main body 1 through nitrogen inlet 15, nitrogen pushes piston 14 to move forward, open second gas check valve 11, the piston pushes air in main body 1 out, the squeezed air is discharged from air discharge pipe 3, observe first pressure gauge 6 during nitrogen injection, if the pressure is too high, open first gas check valve 10 to discharge air to reduce the pressure, observe nitrogen detection gauge 7 during nitrogen replacement, when the value of nitrogen detection gauge 7 reaches a certain value, it indicates that the nitrogen replacement is completed, valve 12 can be opened to make total exhaust pipe 5 conductive.

[0032] In summary: the nitrogen replacement mechanism, the utility model discloses an improved nitrogen replacement mechanism, increases the piston in the original nitrogen replacement mechanism, pushes the piston forward with nitrogen, pushes the gas in the main body out while importing nitrogen, prevents from being not thorough, installs the air outlet in the main body side, at the end of piston movement, makes the air completely discharge, every exhaust pipe and gas delivery pipe are equipped with valve, prevents from mixing impurities during replacement, installs nitrogen detection gauge on nitrogen discharge pipe to detect whether the main body is full of nitrogen.

[0033] In the description of the utility model, it is necessary to explain that, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it can not be understood as the limitation of the utility model.

[0034] Although the content of the utility model has been introduced in detail through the above preferred embodiment, it should be recognized that the above description should not be considered as the limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A nitrogen replacement mechanism, characterized by, Include: The main body (1), nitrogen pipe (2), exhaust pipe (3), exhaust pipe (4), total exhaust pipe (5), the first pressure gauge (6), nitrogen detection table (7), nitrogen cylinder (8), nitrogen throttle valve (9), the first gas check valve (10), the second gas check valve (11), valve (12), the third gas check valve (13), piston (14), nitrogen inlet (15), knob (16), second pressure gauge (17), hose (18), the nitrogen cylinder (8) is connected with hose (18) through nitrogen throttle valve (9), hose (18) is connected with nitrogen pipe (2) through threaded joint, nitrogen pipe (2) is fixedly connected with main body (1), main body (1) is fixedly connected with exhaust pipe (3), exhaust pipe (4), total exhaust pipe (5), the first pressure gauge (6).

2. A nitrogen displacement mechanism as claimed in claim 1, wherein: The nitrogen detection table (7) is installed on the exhaust pipe (4).

3. The nitrogen displacement mechanism of claim 1, wherein: The exhaust pipe (4) and the total exhaust pipe (5) are installed on the side of the main body (1).

4. The nitrogen displacement mechanism of claim 1, wherein: The nitrogen pipe (2) and the exhaust pipe (3) are installed on both ends of the main body (1).

5. The nitrogen displacement mechanism of claim 1, wherein: The piston (14) is located in the main body (1).

6. The nitrogen displacement mechanism of claim 1, wherein: The first pressure gauge (6) is installed on the side of the main body (1).

7. The nitrogen displacement mechanism of claim 1, wherein: The nitrogen throttle valve (9) includes knob (16) and second pressure gauge (17).

8. The nitrogen displacement mechanism of claim 1, wherein: The first gas check valve (10) is installed on the exhaust pipe (4), the second gas check valve (11) is installed on the exhaust pipe (3), the valve (12) is installed on the total exhaust pipe (5), and the third gas check valve (13) is installed on the nitrogen pipe (2).

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