CN211821728U - Liquid nitrogen and liquid oxygen gas recycling device - Google Patents
Liquid nitrogen and liquid oxygen gas recycling device Download PDFInfo
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- CN211821728U CN211821728U CN201922338943.6U CN201922338943U CN211821728U CN 211821728 U CN211821728 U CN 211821728U CN 201922338943 U CN201922338943 U CN 201922338943U CN 211821728 U CN211821728 U CN 211821728U
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Abstract
The utility model provides a liquid nitrogen, liquid oxygen gas recovery and recycle device, relates to liquid nitrogen, liquid oxygen technical field, which comprises a tank body, the jar body openly is provided with the manometer, jar body bottom one side is provided with the outlet duct, be provided with the air outlet valve on the outlet duct, jar body bottom opposite side is provided with the drain pipe, be provided with the drain valve on the drain pipe, the outlet duct bottom is connected with two leads to, the drain pipe bottom is connected with the tee bend, two lead to with connect through the gas-supply pipe between the tee bend, the tee bend left end is connected with the collection pipe, the tee bend with the equal detachable connecting tube of two leads to, it is in to collect the pipe screw thread setting in the tee bend, the collection pipe with the tee bend junction is provided. The utility model provides a safety in order to guarantee the inner tank, at present with this kind of gasification nitrogen gas directly discharge in the air, caused the waste, current tee bend or two-way connection need carry out welded fastening simultaneously, the installation effectiveness is slow and dismantle the difficulty.
Description
Technical Field
The utility model belongs to the technical field of liquid nitrogen, liquid oxygen, in particular to liquid nitrogen, liquid oxygen gas recovery recycle device.
Background
In industrial production, liquid nitrogen is often used, the liquid nitrogen is liquid nitrogen, the temperature of the liquid nitrogen is 196 ℃ below zero under normal pressure, the liquid nitrogen is mainly stored in a large-scale low-temperature normal-pressure liquid nitrogen storage tank, the existing liquid nitrogen storage tank mainly comprises an outer tank and an inner tank arranged in the outer tank, and an interlayer is formed between the outer tank and the inner tank.
Because the liquid nitrogen stored in the inner tank is sensitive to temperature, the liquid nitrogen is evaporated to form gaseous nitrogen which causes higher pressure in the inner tank, and the gasified nitrogen in the inner tank is often required to be discharged in order to ensure the safety of the inner tank, so that the conventional method in the industry at present directly discharges the gasified nitrogen into air, and the method causes certain waste; meanwhile, the existing tee joint or two-way connection needs to be welded and fixed, so that time and labor are wasted in welding, the installation speed is slow, and the disassembly is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art exists, provides a liquid nitrogen, liquid oxygen gas recovery device of recycling, and concrete technical scheme is as follows:
a liquid nitrogen and liquid oxygen gas recycling device comprises a tank body, wherein a pressure gauge is arranged on the front surface of the tank body, an air outlet pipe is arranged on one side of the bottom of the tank body, an air outlet valve is arranged on the air outlet pipe, a liquid outlet pipe is arranged on the other side of the bottom of the tank body, a liquid outlet valve is arranged on the liquid outlet pipe, the bottom end of the air outlet pipe is connected with a two-way pipe, the bottom end of the liquid outlet pipe is connected with a three-way pipe, the two-way pipe is connected with the three-way pipe through a gas;
the tee joint and the two-way can be connected with pipelines in a detachable mode, the collecting pipe is arranged in the tee joint in a threaded mode, and a sealing mechanism is arranged at the connecting position of the collecting pipe and the tee joint.
Further, sealing mechanism includes the annular plate, the fixed cover of annular plate is established collect the outside of the pipe, it is equipped with the annular seal pad to collect the outside fixed cover of pipe, the annular seal pad is located the annular plate right side, the annular seal pad with annular plate fixed connection, the tee bend left side is provided with annular plate positioning mechanism, annular plate positioning mechanism is used for fixing the position of annular plate.
Further, the annular plate positioning mechanism includes the riser, the riser is fixed collect the pipe left side, the riser openly activity is provided with the slider, the slider openly is provided with the elasticity screw rod, the elasticity screw rod with slider screw-thread fit, the slider is through screwing the elasticity screw rod is fixed, the slider openly has been seted up changes the hole, change downthehole rotation and be provided with the pivot, connecting rod fixedly connected with baffle is passed through to the pivot outer end, pivot week side annular is provided with the screw, the slider top is provided with the screw, the screw passes slider and screw thread setting are in the screw.
Furthermore, the front surface of the vertical plate is provided with a sliding groove, sliding blocks are respectively arranged in the sliding grooves, and the sliding blocks are in sliding fit with the sliding grooves.
Furthermore, the air outlet pipe, the collecting pipe and the liquid outlet pipe are all made of stainless steel materials.
The utility model has the advantages that:
1. the gas transmission pipe is used for transmitting liquid nitrogen or liquid oxygen generated in gas release to the collecting pipe along the gas transmission pipe, then performing high-temperature and high-pressure treatment, and then entering a workshop for use, so that the problem of waste caused by directly discharging gasified nitrogen into air in the prior art is solved;
2. the tee joint and the two-way joint can be detachably connected with the pipeline, so that the pipeline is fast to install and simple to detach when being installed, and the sealing performance of the pipeline joint is guaranteed by the arranged sealing mechanism;
3. the annular plate positioning mechanism is used for fixing the position of the annular plate, and prevents the tightly screwed header from outwards screwing out to influence the tight fit degree of the annular sealing gasket, so that the sealing performance of the joint of the pipeline is ensured.
Drawings
FIG. 1 is a front view of a liquid nitrogen and oxygen gas recycling device of the present invention;
FIG. 2 is a schematic view showing the connection structure of the tee and the header of the present invention;
FIG. 3 shows an enlarged schematic view of the structure at A shown in FIG. 2;
figure 4 shows a longitudinal cross-sectional view of the shaft of the present invention;
shown in the figure: 1. the device comprises a tank body, 2, a pressure gauge, 3, an air outlet valve, 4, an air outlet pipe, 5, a two-way valve, 6, an air conveying pipe, 7, a collecting pipe, 8, a three-way valve, 9, an air outlet valve, 10, an air outlet pipe, 11, a sliding block, 12, a screw, 13, a rotating shaft, 14, a connecting rod, 15, a baffle, 16, an annular plate, 17, a screw hole, 18, an annular sealing gasket, 19, a loosening screw rod, 20, a vertical plate, 21 and a sliding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
A liquid nitrogen and liquid oxygen gas recycling device comprises a tank body 1, wherein a pressure gauge 2 is arranged on the front surface of the tank body 1;
the pressure gauge 2 is used for displaying the pressure value in the tank body 1, when the gas pressure in the tank body 1 exceeds a standard value, the liquid outlet valve 9 is closed, the gas outlet valve 3 is opened for gas release, when liquid nitrogen or liquid oxygen needs to be conveyed to a workshop, the gas outlet valve 3 is closed, the liquid outlet valve 9 is opened, and the liquid nitrogen or the liquid oxygen is conveyed to the workshop along with the liquid outlet pipe 10 for use by the workshop;
an air outlet pipe 4 is arranged on one side of the bottom of the tank body 1, an air outlet valve 3 is arranged on the air outlet pipe 4, a liquid outlet pipe 10 is arranged on the other side of the bottom of the tank body 1, a liquid outlet valve 9 is arranged on the liquid outlet pipe 10, the bottom end of the air outlet pipe 4 is connected with a two-way pipe 5, the bottom end of the liquid outlet pipe 10 is connected with a three-way pipe 8, and the two-way pipe 5 is connected with;
the gas transmission pipe 6 is used for transmitting liquid nitrogen or liquid oxygen generated during gas release to the collecting pipe 7 along the gas transmission pipe 6, then the liquid nitrogen or the liquid oxygen is subjected to high-temperature and high-pressure treatment and then enters a workshop for use, and the problem that gasified nitrogen is directly discharged into air to cause waste in the prior art is solved;
the left end of the tee joint 8 is connected with a collecting pipe 7, and the air outlet pipe 4, the collecting pipe 7 and the liquid outlet pipe 10 are all made of stainless steel materials.
The tee joint 8 and the two-way joint 5 can be detachably connected with a pipeline; the connecting pipeline can be disassembled, so that the pipeline is installed quickly and is easy to disassemble; the collecting pipe 7 is arranged in the tee joint 8 in a threaded mode, and a sealing mechanism is arranged at the joint of the collecting pipe 7 and the tee joint 8 and ensures that the sealing performance of the joint of the pipeline is good.
As the improvement of the technical scheme, the sealing mechanism comprises an annular plate 16, the annular plate 16 is fixedly sleeved outside the collecting pipe 7, an annular sealing gasket 18 is fixedly sleeved outside the collecting pipe 7, the annular sealing gasket 18 is positioned on the right side of the annular plate 16, the annular sealing gasket 18 is fixedly connected with the annular plate 16, an annular plate positioning mechanism is arranged on the left side of the tee joint 8, and the annular plate positioning mechanism is used for fixing the position of the annular plate 16. The collecting pipe 7 is screwed inwards into the tee joint 8, the joint of the tee joint 8 and the collecting pipe 7 is tightly attached and sealed by the annular sealing gasket 18 under the extrusion action of the annular plate 16 along with continuous screwing, and the annular plate positioning mechanism fixes the position of the annular plate 16 to prevent the screwed collecting pipe 7 from being screwed outwards and influence the tight attachment degree between the annular sealing gasket 18 and the tee joint 8;
as the improvement of above-mentioned technical scheme, annular plate positioning mechanism includes riser 20, riser 20 is fixed in collection pipe 7 left side, riser 20 openly has seted up spout 21, be provided with slider 11 in the spout 21 respectively, slider 11 and spout 21 sliding fit, slider 11 openly is provided with the elasticity screw rod 19, elasticity screw rod 19 and slider 11 screw-thread fit, slider 11 is fixed through screwing elasticity screw rod 19, the revolving hole has been seted up openly to slider 11, the revolving hole internal rotation is provided with pivot 13, connecting rod 14 fixedly connected with baffle 15 is passed through to pivot 13 outer end, pivot 13 week side annular is provided with screw 17, slider 11 top is provided with screw 12, screw 12 passes slider 11 and the screw thread setting is in screw 17. Firstly loosening the screw 12, upwards rotating the baffle 15, then starting to install the collecting pipe 7, reversely rotating the baffle 15 to a vertical state after the collecting pipe 7 is tightened, tightening the screw 12, sliding the sliding block 11 rightwards to enable the sliding block 11 to tightly abut against the annular plate 12, then tightening the tightening screw 19 to fix the sliding block 11 and prevent the tightened collecting pipe 7 from outwards screwing out;
when the utility model is implemented, the utility model,
when liquid nitrogen or liquid oxygen is conveyed: and closing the gas outlet valve 3, opening the liquid outlet valve 9, and conveying liquid nitrogen or liquid oxygen to a workshop along with the liquid outlet pipe 10 for use in the workshop.
When in air release: the pressure gauge 2 is used for displaying the pressure value in the tank body 1, when the gas pressure in the tank body 1 exceeds a standard value, the liquid outlet valve 9 is closed, the gas outlet valve 3 is opened for gas release, and the arranged gas conveying pipe 6 is used for conveying liquid nitrogen or liquid oxygen generated during gas release to the collecting pipe 7 along the gas conveying pipe 6, then the liquid nitrogen or the liquid oxygen is subjected to high-temperature high-pressure treatment, and then the liquid nitrogen or the liquid oxygen enters a workshop for use.
When the three-way or two-way connection pipeline: the collecting pipe 7 is arranged in the tee joint 8 in a threaded manner, the pipelines are detachably connected, and the connecting part of the tee joint 8 and the collecting pipe 7 is tightly attached and sealed by the annular sealing gasket 18 under the extrusion action of the annular plate 16 along with the continuous inward screwing of the collecting pipe 7;
firstly loosening the screw 12, upwards rotating the baffle 15, then starting to install the collecting pipe 7, reversely rotating the baffle 15 to a vertical state after the collecting pipe 7 is tightened, tightening the screw 12, sliding the slide block 11 rightwards to enable the slide block 11 to tightly abut against the annular plate 12, then tightening the tightening screw 19 to fix the slide block 11, and preventing the tightened collecting pipe 7 from outwards screwing out to influence the tight fit degree between the annular sealing gasket 18 and the tee joint 8.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A liquid nitrogen and liquid oxygen gas recycling device comprises a tank body (1), wherein a pressure gauge (2) is arranged on the front surface of the tank body (1), and the liquid nitrogen and liquid oxygen gas recycling device is characterized in that an air outlet pipe (4) is arranged on one side of the bottom of the tank body (1), an air outlet valve (3) is arranged on the air outlet pipe (4), a liquid outlet pipe (10) is arranged on the other side of the bottom of the tank body (1), a liquid outlet valve (9) is arranged on the liquid outlet pipe (10), a two-way pipe (5) is connected to the bottom end of the air outlet pipe (4), a three-way pipe (8) is connected to the bottom end of the liquid outlet pipe (10), the two-way pipe (5) is connected with the three-way pipe (8;
the three-way pipe (8) and the two-way pipe (5) can be detachably connected with a pipeline, the collecting pipe (7) is arranged in the three-way pipe (8) in a threaded mode, and a sealing mechanism is arranged at the connection position of the collecting pipe (7) and the three-way pipe (8).
2. The liquid nitrogen and liquid oxygen gas recycling device according to claim 1, wherein: sealing mechanism includes annular plate (16), the fixed cover of annular plate (16) is established outside header (7), the outer fixed cover of header (7) is equipped with annular sealing pad (18), annular sealing pad (18) are located annular plate (16) right side, annular sealing pad (18) with annular plate (16) fixed connection, tee bend (8) left side is provided with annular plate positioning mechanism, annular plate positioning mechanism is used for fixing the position of annular plate (16).
3. The liquid nitrogen and liquid oxygen gas recycling device according to claim 2, wherein: annular slab positioning mechanism includes riser (20), riser (20) are fixed header (7) left side, riser (20) openly the activity is provided with slider (11), slider (11) openly are provided with elasticity screw rod (19), elasticity screw rod (19) with slider (11) screw-thread fit, slider (11) are through screwing elasticity screw rod (19) are fixed, slider (11) openly have been seted up and have been changeed the hole, change the downthehole rotation and be provided with pivot (13), connecting rod (14) fixedly connected with baffle (15) are passed through to pivot (13) outer end, pivot (13) week side annular is provided with screw (17), slider (11) top is provided with screw (12), screw (12) are passed slider (11) and screw thread setting are in screw (17).
4. The liquid nitrogen and liquid oxygen gas recycling device according to claim 3, wherein: the riser (20) openly seted up spout (21), be provided with slider (11) in spout (21) respectively, slider (11) and spout (21) sliding fit.
5. The liquid nitrogen and liquid oxygen gas recycling device according to claim 1, wherein: the gas outlet pipe (4), the collecting pipe (7) and the liquid outlet pipe (10) are all made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338943.6U CN211821728U (en) | 2019-12-24 | 2019-12-24 | Liquid nitrogen and liquid oxygen gas recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338943.6U CN211821728U (en) | 2019-12-24 | 2019-12-24 | Liquid nitrogen and liquid oxygen gas recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211821728U true CN211821728U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922338943.6U Active CN211821728U (en) | 2019-12-24 | 2019-12-24 | Liquid nitrogen and liquid oxygen gas recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211821728U (en) |
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2019
- 2019-12-24 CN CN201922338943.6U patent/CN211821728U/en active Active
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