Gasification device for efficiently gasifying liquid nitrogen entrained in nitrogen

Abstract

The utility model discloses a gasification device for efficiently gasifying liquid nitrogen entrained in nitrogen, and relates to the technical field of gasification of the liquid nitrogen entrained in the nitrogen, the top of a tank body is connected with a gas inlet pipe and a gas outlet pipe, and a first heat conduction pipe penetrates through the left side wall of the tank body in a sliding manner; the right end of the first heat conduction pipe extends into the tank body, two heat conduction bases are welded to the cylindrical surface of the extending end, and a copper net located under the air inlet pipe is welded between the two heat conduction bases. A second heat conduction pipe located under the first heat conduction pipe further slidably penetrates through the left side wall of the tank body, the right end of the second heat conduction pipe extends into the tank body, and a plurality of stirring plates are welded to the cylindrical surface of the extending end at intervals; the gasification device further comprises a reciprocating electric cylinder fixedly arranged on the left end face of the tank body and a connecting plate fixedly arranged between the left end of the first heat conduction pipe and the left end of the second heat conduction pipe. The liquid nitrogen gasification device has the beneficial effects that the liquid nitrogen gasification time is shortened, and the liquid nitrogen gasification efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field for the liquid nitrogen gasification of the liquid nitrogen entrained in nitrogen, especially a kind of gasification device of high-efficiency gasification liquid nitrogen entrained in nitrogen. BACKGROUND

[0002] Nitrogen is stored in nitrogen storage tank, which can be used for special equipment. The specific use method is: the worker connects the one end of output pipeline with the outlet valve of nitrogen storage tank, and connects the other end of output pipeline into special equipment;Then open the outlet valve, at this time, the nitrogen in the nitrogen storage tank sequentially passes through the outlet valve, output pipeline, and finally enters the special equipment. Since the nitrogen released from the outlet valve still entrains liquid nitrogen, it is necessary to gasify the liquid nitrogen entrained in the nitrogen through the gasification device

because liquid nitrogen is not allowed to enter the special equipment

[0003] The structure of the existing gasification device is shown in Figure 1 It includes tank body 1, the top of tank body 1 is connected with inlet pipe 2 and outlet pipe 3, inlet pipe 2 and outlet pipe 3 are connected with the inner cavity of tank body 1, the bottom of tank body 1 is fixedly provided with electric heating plate 4, and the terminal of electric heating plate 4 is connected with power supply.

[0004] The method of the worker using the gasification device to gasify the liquid nitrogen entrained in the nitrogen is:

[0005] S1, the worker connects inlet pipe 2 to the outlet valve of nitrogen storage tank, connects outlet pipe 3 to the first port of output pipeline, and connects the end port of output pipeline to special equipment, so as to realize the installation of the gasification device;

[0006] S2, connect the power supply, power supply power supply, when electric heating plate 4 is powered on, heat is generated on electric heating plate 4, and the heat is transferred to the bottom wall of tank body 1, and tank body 1 transfers the heat to its inner cavity;

[0007] S3, open the outlet valve, nitrogen and liquid nitrogen entrained in nitrogen sequentially enter tank body 1 through outlet valve and inlet pipe 2, wherein nitrogen sequentially passes through outlet pipe 3 and output pipeline, and finally enters the special equipment, while liquid nitrogen falls into the bottom of tank body 1 under its own gravity, at this time, since electric heating plate 4 is constantly heating tank body 1, liquid nitrogen is converted into nitrogen gas, and the converted nitrogen gas sequentially passes through outlet pipe 3 and output pipeline, and finally enters the special equipment, so as to realize the gasification of liquid nitrogen entrained in nitrogen.

[0008] However, although the gasification device can gasify the liquid nitrogen entrained in the nitrogen, there are still the following technical defects in technology:

[0009] The liquid nitrogen is deposited in a large amount at the bottom of the tank body 1, and the deposited liquid nitrogen is not flowing, so that the electric heating plate 4 needs to heat for a long time to convert the liquid nitrogen into nitrogen gas completely, which undoubtedly increases the gasification time of the liquid nitrogen and reduces the gasification efficiency of the liquid nitrogen.

[0010] Therefore, there is an urgent need for a gasification device which can shorten the gasification time of liquid nitrogen and greatly improve the gasification efficiency of liquid nitrogen. Utility model content

[0011] The utility model discloses to overcome the shortcoming of prior art, provide a kind of gasification device of high-efficiency gasification entrained in liquid nitrogen in nitrogen gas which can shorten the gasification time of liquid nitrogen and greatly improve the gasification efficiency of liquid nitrogen.

[0012] The utility model discloses a kind of gasification device of high-efficiency gasification entrained in liquid nitrogen in nitrogen gas, it includes tank body, the top of tank body is connected with inlet pipe and outlet pipe, first heat pipe is slidably penetrated on the left side wall of tank body, the right end portion of first heat pipe extends in tank body, and two heat seats are welded on the cylindrical surface of extension end, copper screen is welded between the two heat seats and located the right below inlet pipe, first heating rod is penetrated in first heat pipe, and the connection head I of first heating rod is leftward penetrated first heat pipe and is connected with power supply;

[0013] The left side wall of the tank body is also slidably penetrated with the second heat pipe located below the first heat pipe, the right end portion of the second heat pipe extends in the tank body, and a plurality of stirring plates are welded on the cylindrical surface of the extension end at intervals, the bottom surface of each stirring plate is in contact with the bottom surface of the tank body, a second heating rod is penetrated in the second heat pipe, and the connection head II of the second heating rod is leftward penetrated the second heat pipe and is connected with the power supply.

[0014] The gasification device further includes a reciprocating electric cylinder fixed to the left end surface of the tank body, and a connecting plate fixed between the left end portion of the first heat pipe and the left end portion of the second heat pipe, wherein the piston rod of the reciprocating electric cylinder is fixed to the connecting plate.

[0015] A plurality of support legs are fixed to the bottom of the tank body and supported on the ground.

[0016] The right end of the first heat pipe and the second heat pipe is closed, and the first heat pipe and the second heat pipe are both copper pipes.

[0017] Sealing rings are provided between the left side wall of the tank body and the first heat pipe, and between the left side wall of the tank body and the second heat pipe.

[0018] The stirring plate is a copper plate.

[0019] The first heating rod is coaxially arranged with the first heat pipe, and the second heating rod is coaxially arranged with the second heat pipe.

[0020] The gasification device further comprises a controller, and the controller is electrically connected with the reciprocating electric cylinder through a signal line.

[0021] The utility model has the advantages of shortening the gasification time of liquid nitrogen and greatly improving the gasification efficiency of liquid nitrogen. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of prior gasification device;

[0023] Figure 2 It is a structural schematic view of the utility model;

[0024] Figure 3 It is a main section schematic view of Figure 2

[0025] Figure 4 It is an A direction schematic view of Figure 3

[0026] Figure 5 It is a B-B section view of Figure 3

[0027] Figure 6 It is a connecting schematic view of the second heat conduction pipe and the stirring plate;

[0028] Figure 7 It is a main section schematic view of Figure 6

[0029] Figure 8 It is a working schematic view of the utility model;

[0030] In the drawing:

[0031] 1-tank body, 2-air inlet pipe, 3-air outlet pipe, 4-electric heating plate, 5-first heat conduction pipe, 6-heat conduction seat, 7-copper net, 8-first heating rod, 9-wiring head I;

[0032] 10-second heat conduction pipe, 11-stirring plate, 12-second heating rod, 13-wiring head II, 14-reciprocating electric cylinder, 15-connecting plate. DETAILED DESCRIPTION

[0033] The utility model will be further described in combination with the drawings, and the protection scope of the utility model is not limited to the following:

[0034] For example, Figures 2-7 ​​​​As shown, a kind of gasification device of high-efficiency gasification entrainment liquid nitrogen in nitrogen, it includes tank body 1, the bottom of tank body 1 is fixed with multiple support legs supported on ground, the top of tank body 1 is connected with inlet pipe 2 and outlet pipe 3, first heat pipe 5 is slidably penetrated on the left side wall of tank body 1, the right end of first heat pipe 5 extends in tank body 1, and two heat seats 6 are welded on the cylindrical surface of extending end, heat seat 6 is copper block, copper mesh 7 is welded between the two heat seats 6 and located below inlet pipe 2, first heating rod 8 is arranged in first heat pipe 5, and the connecting head I 9 of first heating rod 8 is leftwardly penetrated first heat pipe 5 and connected with power supply;

[0035] The left side wall of tank body 1 is also slidably penetrated second heat pipe 10 below first heat pipe 5, the right end of second heat pipe 10 extends in tank body 1, and multiple stirring plates 11 are welded on the cylindrical surface of extending end, stirring plate 11 is copper plate, the bottom surface of each stirring plate 11 is in contact with the bottom surface of tank body 1, second heating rod 12 is arranged in second heat pipe 10, and the connecting head II 13 of second heating rod 12 is leftwardly penetrated second heat pipe 10 and connected with power supply;The gasification device also includes reciprocating cylinder 14 fixed on the left end face of tank body 1, connecting plate 15 fixed between the left end of first heat pipe 5 and the left end of second heat pipe 10, and the piston rod of reciprocating cylinder 14 is fixed on connecting plate 15.

[0036] The right end of first heat pipe 5 and second heat pipe 10 is closed, and first heat pipe 5 and second heat pipe 10 are copper pipes.The left side wall between first heat pipe 5 and tank body 1 and the left side wall between second heat pipe 10 and tank body 1 are provided with sealing rings.The first heating rod 8 is coaxially arranged with the first heat pipe 5, and the second heating rod 12 is coaxially arranged with the second heat pipe 10.

[0037] The gasification device also includes a controller, and the controller is electrically connected to the reciprocating cylinder 14 through a signal line, so that the worker can control the reciprocating motion of the piston rod of the reciprocating cylinder 14 through the controller, thereby facilitating the operation of the worker.

[0038] The working process of the utility model is as follows:

[0039] S1, the worker connects the inlet pipe 2 to the outlet valve of the nitrogen storage tank, connects the outlet pipe 3 to the first end of the output pipeline, and connects the last end of the output pipeline to the special equipment, so as to realize the installation of the gasification device.

[0040] S2, the power is turned on, the power supply is powered on to the first heating rod 8, heat is generated on the first heating rod 8, the heat is transmitted to the first heat pipe 5, the first heat pipe 5 transmits the heat to the heat seat 6, and the heat seat 6 transmits the heat to the copper mesh 7; at the same time, the power supply also powers on the second heating rod 12, heat is generated on the second heating rod 12, the heat is transmitted to the second heat pipe 10, and the second heat pipe 10 transmits the heat to each stirring plate 11;

[0041] S2, the worker controls the piston rod of the reciprocating cylinder 14 to make reciprocating extension and retraction, the piston rod drives the connecting plate 15 to make reciprocating left and right movement, the connecting plate 15 drives the first heat pipe 5 and the second heat pipe 10 to make reciprocating left and right movement, wherein the first heat pipe 5 drives the heat seat 6 to make reciprocating left and right movement, the heat seat 6 drives the copper mesh 7 to make reciprocating left and right movement, and the movement direction of the copper mesh 7 is as shown in the solid arrow in the figure Figure 8 ; at the same time, the second heat pipe 10 drives each stirring plate 11 to make reciprocating left and right movement;

[0042] S3, the outlet valve is opened, nitrogen and liquid nitrogen entrained in the nitrogen sequentially enter the tank body 1 through the outlet valve and the inlet pipe 2, and the entering direction is as shown in the hollow arrow in the figure Figure 8 ; wherein the nitrogen sequentially passes through the outlet pipe 3 and the output pipeline and finally enters the special equipment, and the liquid nitrogen entrained in the nitrogen moves downward under its own gravity, when the liquid nitrogen passes through the copper mesh 7 which makes reciprocating left and right movement, a part of the liquid nitrogen is heated by the heat on the copper mesh 7, and the heated liquid nitrogen is converted into nitrogen gas;

[0043] and another part of the liquid nitrogen falls at the bottom of the tank body 1 after passing through the copper mesh 7, at this time, the heat on the stirring plate 11 which makes reciprocating left and right movement heats this part of the liquid nitrogen, and the heated liquid nitrogen is converted into nitrogen gas, and the converted nitrogen gas also sequentially passes through the outlet pipe 3 and the output pipeline and finally enters the special equipment, so as to convert the liquid nitrogen entrained in the nitrogen into nitrogen gas.

[0044] Wherein, as can be known from step S3, the present gasification device first converts a part of the liquid nitrogen into nitrogen gas through the copper mesh 7 which makes reciprocating left and right movement, and then converts another part of the liquid nitrogen into nitrogen gas through the stirring plate 11 which makes reciprocating left and right movement, so as to convert all the liquid nitrogen entering the tank body 1 into nitrogen gas quickly and completely. As can be known, compared with the gasification device as shown in the figure Figure 1 , the present gasification device adopts two paths to gasify the liquid nitrogen respectively, effectively avoids the deposition of liquid nitrogen at the bottom of the tank body 1, so as to realize the conversion of all the liquid nitrogen into nitrogen gas in a short time, and further greatly improves the gasification efficiency of the liquid nitrogen.

[0045] In addition, the agitating plate 11 reciprocatingly moving left and right also agitates the liquid nitrogen deposited on the bottom of the tank 1, thereby increasing the heating area of the liquid nitrogen, and further realizing the conversion of the deposited liquid nitrogen into nitrogen gas in a short time, and further improving the gasification efficiency of the liquid nitrogen.

[0046] Finally, it should be noted that the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A gasification device for efficiently gasifying liquid nitrogen entrained in nitrogen gas, characterized by: It includes the tank body (1), the top of the tank body (1) is connected with the air inlet pipe (2) and the air outlet pipe (3), the first heat pipe (5) is slidably penetrated on the left side wall of the tank body (1), the right end of the first heat pipe (5) extends in the tank body (1), and two heat seats (6) are welded on the cylindrical surface of the extending end, a copper mesh (7) is welded between the two heat seats (6) and located directly below the air inlet pipe (2), a first heating rod (8) is arranged in the first heat pipe (5), and the connecting head I (9) of the first heating rod (8) is penetrated to the left of the first heat pipe (5) and connected with the power supply; The second heat pipe (10) is also slidably penetrated on the left side wall of the tank body (1) and located directly below the first heat pipe (5), the right end of the second heat pipe (10) extends in the tank body (1), and a plurality of stirring plates (11) are welded on the cylindrical surface of the extending end at intervals, the bottom surface of each stirring plate (11) is in contact with the bottom surface of the tank body (1), a second heating rod (12) is arranged in the second heat pipe (10), and the connecting head II (13) of the second heating rod (12) is penetrated to the left of the second heat pipe (10) and connected with the power supply; The gasification device further comprises a reciprocating electric cylinder (14) fixed on the left end face of the tank body (1), and a connecting plate (15) fixed between the left end of the first heat pipe (5) and the left end of the second heat pipe (10), wherein the piston rod of the reciprocating electric cylinder (14) is fixed on the connecting plate (15).

2. The device for gasification of liquid nitrogen with high efficiency and entrainment in nitrogen according to claim 1, characterized in that: A plurality of support legs are fixed on the bottom of the tank body (1) and supported on the ground.

3. The device for gasification of liquid nitrogen with high efficiency by entrainment in nitrogen according to claim 1, characterized in that: The right end of the first heat pipe (5) and the second heat pipe (10) is closed, and the first heat pipe (5) and the second heat pipe (10) are copper pipes.

4. The device for gasification of liquid nitrogen with high efficiency and entrainment in nitrogen gas according to claim 1, characterized in that: Sealing rings are arranged between the left side wall of the tank body (1) and the first heat pipe (5), and between the left side wall of the tank body (1) and the second heat pipe (10).

5. The device for gasification of liquid nitrogen with high efficiency and entrainment in nitrogen gas according to claim 1, characterized in that: The stirring plate (11) is a copper plate.

6. The device for gasification of liquid nitrogen with high efficiency and entrainment in nitrogen gas according to claim 1, characterized in that: The first heating rod (8) is coaxially arranged with the first heat pipe (5), and the second heating rod (12) is coaxially arranged with the second heat pipe (10).

7. The device for gasification of liquid nitrogen with high efficiency and entrainment in nitrogen gas according to claim 1, characterized in that: The gasification device further comprises a controller, and the controller is electrically connected with the reciprocating electric cylinder (14) through a signal line.

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