CN210089209U - Steam ice preparation facilities - Google Patents
Steam ice preparation facilities Download PDFInfo
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- CN210089209U CN210089209U CN201920254608.5U CN201920254608U CN210089209U CN 210089209 U CN210089209 U CN 210089209U CN 201920254608 U CN201920254608 U CN 201920254608U CN 210089209 U CN210089209 U CN 210089209U
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Abstract
The utility model discloses a steam ice preparation device, which comprises an atomization system and a low-temperature solidification box connected with the atomization system, wherein the atomization system comprises a water storage tank for storing deionized water and an atomization box capable of ultrasonically atomizing water molecules into fog particles with the diameter of 0.5-10 mu m, the low-temperature solidification box is statically controlled by liquid nitrogen, and the side wall of the low-temperature solidification box is made of double-layer liquid nitrogen-resistant materials so as to cool and solidify the atomized small-particle fog particles of the atomization box; the principle that water vapor in the air generates steam ice on the surface of a substance with extremely low temperature is utilized, an ultrasonic atomization method is adopted to atomize the water, the formed fog particles are fine, the superfine ice powder can be prepared favorably, and the water with lower temperature can be used to be favorable for the solidification of gaseous water; the low-temperature curing box is ingenious in structural design and high in refrigeration speed; the device can be used for quickly preparing the steam ice, ensures that the steam ice is loose particles, has a large specific surface area, is beneficial to quickly producing the high-purity natural gas hydrate, and has a wide application prospect.
Description
Technical Field
The utility model belongs to the high-efficient preparation field of natural gas hydrate, concretely relates to steam ice preparation facilities.
Background
The natural gas hydrate (also called as combustible ice) is a non-stoichiometric cage-shaped crystal substance generated by natural gas molecules and water (ice) in a high-pressure low-temperature environment, has strong gas storage capacity, and can store 160m per cubic meter of natural gas hydrate3～180m3Natural gas is solid, and is convenient to transport. Therefore, the natural gas hydrate technology has wide application prospect in the natural gas storage and transportation industry. However, the natural gas hydrate has slow natural formation rate, low production efficiency and low purity, and the application of the hydrate technology is greatly limited. Therefore, the method overcomes the slow generation of the natural gas hydrate and improves the generation rate and the purity of the natural gas hydrate, and is the key for successfully applying the hydrate technology to the fields.
The hydrate is prepared by adopting water and natural gas, the mass and heat transfer coupling process is usually enhanced by a method of increasing the gas-liquid contact area, and the most common methods are as follows: mechanical stirring, spraying, bubbling, hypergravity, and the addition of chemical promoters to the solution. However, these methods have certain defects, and the greatest defects are that the gas-liquid contact area is small, the reaction speed is slow, and the purity of the generated hydrate is not high.
At present, most of ice powder and natural gas are adopted to directly synthesize hydrate, and the contact area between solid ice powder and gas molecules can be greatly increased, so that the generation speed of the hydrate is greatly increased. However, the ice powder adopted in the laboratory at present is mainly formed by manually grinding ice blocks, has large granularity and is difficult to be made into micron-sized ice powder. Utility model patent [ ZL201520415991.X ] obtains the liquid drop that the particle diameter is less than 100 mu m through the atomizer with water atomization, and these liquid drops are quick into ice in the liquid nitrogen, obtain the ice powder that the particle diameter is less than 100 mu m, but need come the particle size of accurate control water formation spraying through the liquid pressure and the flow of control metering water pump in the actual work, and the degree of difficulty is great, and the ice granule that forms is also more compact.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the big and fine and close defect of current manual preparation solid powder ice particle diameter, the steam ice preparation facilities that proposes forms loose, porous micron order steam ice based on ultrasonic atomization and low temperature curing box to as the raw materials of the large amount of preparation natural gas hydrate of industry, can increase the area of contact of gas and solid surface greatly, have important meaning to the natural gas hydrate of the high-purity of quick generation.
The utility model discloses an adopt following technical scheme to realize: a steam ice preparation device comprises an atomization system and a low-temperature curing box connected with the atomization system;
the atomization system comprises a water storage tank and an atomization box, the water storage tank is used for storing deionized water, the upper part of the water storage tank is provided with a water filling port, the lower part of the water storage tank is provided with a water outlet, the water outlet is communicated with the atomization box through a communication pipeline, and the communication pipeline is provided with an electromagnetic valve; a mist outlet and an atomizing joint are arranged above the atomizing box, an ultrasonic atomizing sheet group is arranged in the atomizing box, deionized water injected through a water storage tank is positioned above the ultrasonic atomizing sheet group, an air feeder is arranged around the upper part of the ultrasonic atomizing sheet group, a fan and an air filtering port are arranged at the bottom of the atomizing box, and the fan is connected with the air feeder through an air feeding pipeline so as to blow clean air into the atomizing box through the fan and be diffused by the air feeder;
the low-temperature curing box is statically controlled by liquid nitrogen, the side wall of the low-temperature curing box is of a double-layer structure made of liquid nitrogen resistant materials, a space formed in the double-layer side wall of the low-temperature curing box is a liquid nitrogen containing cavity, an upper cover is arranged above the low-temperature curing box, an atomizing interface in butt joint with an atomizing connector is arranged on the upper cover, the atomizing connector and the atomizing interface can be connected through an atomizing pipeline or directly in butt joint, a liquid nitrogen injection port is arranged above the side wall of the low-temperature curing box, a liquid nitrogen discharge port is arranged on one side opposite to the liquid nitrogen injection port, the liquid nitrogen injection port is sealed through a liquid nitrogen injection port plug, liquid nitrogen is injected into the box body through the liquid nitrogen injection port for cooling, the liquid; and at least one water mist solidified residual gas outlet is arranged below the side of the low-temperature solidification box so as to discharge air remained after water molecules in the low-temperature solidification box are solidified.
Further, in order to further improve the cooling effect, the inside fin passageway that holds the chamber intercommunication with the liquid nitrogen that is provided with of low temperature curing case for inside cooling to low temperature curing case.
Furthermore, a fin emptying port and a fin emptying cover for plugging the fin emptying port are arranged above the fin channel, and the height of the liquid nitrogen discharge port is consistent with that of the fin emptying port, so that all fins are filled with liquid nitrogen when liquid nitrogen is added.
Furthermore, still be provided with level sensor in the atomizer box, based on the liquid level that level sensor shows, realize in time moisturizing or cutting off the water supply in the atomizer box through the switching of control solenoid valve.
Furthermore, the upper end of the water storage tank is connected with the atomizing box through a uniform pressure pipe, and a water retaining piece is arranged at one end of the uniform pressure pipe, which is connected with the atomizing box, so that pressure balance on two sides is guaranteed, and the mist entering the water storage tank is effectively reduced.
Furthermore, in order to achieve a better heat preservation effect, a heat preservation layer is arranged on the outer surface of the low-temperature curing box.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
according to the principle that water vapor in the air generates steam ice on the surface of a substance with extremely low temperature, the steam ice preparation device adopts an ultrasonic atomization method to atomize water, the formed fog particles are fine, the superfine ice powder can be prepared, water with lower temperature can be used, and the gaseous water can be solidified; the low-temperature curing box is ingenious in structural design and high in refrigeration speed; the device can rapidly prepare the steam ice, ensures that the steam ice is porous and loose fibrous, has large specific surface area, is beneficial to rapidly producing high-purity natural gas hydrate, and has wide application prospect.
Drawings
Fig. 1 is a schematic structural diagram of an atomization system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the low-temperature curing box according to the embodiment of the present invention.
Detailed Description
In order to clearly understand the above objects, features and advantages of the present invention, the present invention will be further described with reference to the accompanying drawings and embodiments.
A steam ice preparation device comprises an atomization system and a low-temperature curing box connected with the atomization system, as shown in figure 1, the atomization system comprises a water storage tank 1 and an atomization box 11, the water storage tank 1 is used for storing deionized water, the upper part of the water storage tank 1 is provided with a water filling port 2, the lower part of the water storage tank 1 is provided with a water outlet, the water outlet is communicated with the atomization box 11 through a communication pipeline, and the communication pipeline is provided with an electromagnetic valve 4; an ultrasonic atomization sheet group 10 is arranged in the atomization box 11, deionized water injected through a water storage tank is positioned above the ultrasonic atomization sheet group 10, a liquid level sensor 6 is further arranged in the atomization box 11, and timely water supplement or water cut-off is realized in the atomization box 11 by controlling the opening and closing of an electromagnetic valve 4 based on the liquid level displayed by the liquid level sensor 6; an air feeder 5 is arranged around the upper part of the ultrasonic atomization sheet group 10, a fan 8 and an air filtering port 7 are arranged at the bottom of the atomization box 11, the fan 8 is connected with the air feeder 5 through an air feeding pipeline, so that clean air is blown into the atomization box 11 through the fan 8 and is diffused by the air feeder 5; a mist outlet 14 and an atomizing joint 12-1 are arranged above the atomizing box 11, the upper end of the water storage tank 1 is connected with the atomizing box 11 through a uniform pressure pipe 3, and a water retaining sheet 13 is arranged at one end of the uniform pressure pipe 3 connected with the atomizing box 11 so as to reduce the mist entering the water storage tank 1.
As shown in figure 2, the temperature of the low-temperature curing box is controlled statically by liquid nitrogen, the side wall of the low-temperature curing box is of a double-layer structure made of liquid nitrogen resistant materials, a space formed in the double-layer side wall of the low-temperature curing box is a liquid nitrogen containing cavity, an upper cover 18 is arranged above the low-temperature curing box, an atomizing connector 12-2 in butt joint with an atomizing connector 12-1 is arranged on the upper cover 18, the atomizing connector 12-1 and the atomizing connector 12-2 can be connected through an atomizing pipeline or directly in butt joint, a liquid nitrogen injection port 17 is arranged above the side wall of the low-temperature curing box, a liquid nitrogen discharge port 22 is provided on the side opposite to the liquid nitrogen injection port 17, the liquid nitrogen injection port 17 is sealed by a liquid nitrogen injection port plug 19, liquid nitrogen is injected into the box body through the liquid nitrogen injection port 17 for cooling, the liquid nitrogen is sealed by the liquid nitrogen injection port plug 19 to prevent the liquid nitrogen from volatilizing, and the liquid nitrogen discharge port 22 is sealed by the upper cover 18; at least one water mist solidification residual gas outlet 23 is arranged below the side of the low-temperature solidification box so as to discharge residual air after water molecules in the low-temperature solidification box are solidified, and in addition, an insulating layer 15 is arranged on the outer surface of the low-temperature solidification box.
In this embodiment, in order to further improve the cooling effect, a plurality of fin channels 24 communicated with the liquid nitrogen containing cavity are arranged inside the low-temperature curing box to be used for cooling the inside of the low-temperature curing box, a fin emptying port 20 and a fin emptying cover 21 for plugging the fin emptying port 20 are arranged above the fin channels 24, and the height of the liquid nitrogen discharge port 22 is consistent with that of the fin emptying port 20, so as to ensure that all fins are filled with liquid nitrogen when liquid nitrogen is added.
The specific use process of the steam ice preparation device described in this example is as follows:
before the preparation of the steam ice is started, firstly adding ultrapure water (secondary deionized water) into a water storage tank through a water injection port; at the same time, the liquid nitrogen filling port plug 19 and the fin emptying cover 21 on the low-temperature curing box are opened, and liquid nitrogen is filled into the box body through the liquid nitrogen filling port 17. After the liquid nitrogen is filled, the liquid nitrogen injection plug 19 and the rib emptying cover 21 are closed, and the upper cover 18 of the low box curing box is tightly covered. The temperature of the inner wall of the low-temperature curing box is rapidly reduced.
And supplying power to the atomization system, wherein at the moment, because ultrapure water is not injected into the atomization box 11, the liquid level sensor 6 controls to open the electromagnetic valve 4 between the water storage tank 1 and the atomization box 11, and the ultrapure water is injected into the atomization box 11. Then, the blower 8 and the ultrasonic atomizing plate group 10 start to work. Ultrapure water in the atomization box 11 forms fog particles with the diameter of 0.5-10 mu m in the atomization box under the oscillation energy generated by the atomization plate group 10, clean air passing through the air filter 7 is sent into the atomization box 11 by the fan 8 through the air feeder 5, and the formed water mist is blown out through a mist outlet 14 at the upper part of the atomization box. The water storage tank 1 is connected with the upper part of the atomization box 11 through the pressure equalizing pipe 3, so that the internal pressure of the water storage tank 1 and the atomization box 11 is kept consistent, and when the electromagnetic valve 4 is opened, water in the atomization box 11 cannot flow back to the water storage tank 1 due to higher internal pressure.
And connecting the atomization interface, wherein water mist enters the low-temperature curing box. Because liquid nitrogen is injected into the low-temperature curing box, the temperature of the inner wall of the box can enable water mist to be rapidly condensed and cured into steam ice and attached to the wall, and redundant air is discharged through the air outlet 23. And scraping the steam ice generated on the inner wall of the box body by a scraper at intervals for the next synthesis of the hydrate.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A steam ice preparation device is characterized in that: comprises an atomization system and a low-temperature curing box connected with the atomization system;
the atomization system comprises a water storage tank (1) and an atomization box (11), wherein the water storage tank (1) is used for storing deionized water, a water filling port (2) is formed in the upper part of the water storage tank (1), a water outlet is formed in the lower part of the water storage tank (1), the water outlet is communicated with the atomization box (11) through a communication pipeline, and an electromagnetic valve (4) is arranged on the communication pipeline; a mist outlet (14) and an atomizing joint (12-1) are arranged above the atomizing box (11), an ultrasonic atomizing sheet set (10) is arranged inside the atomizing box (11), an air feeder (5) is arranged around the upper part of the ultrasonic atomizing sheet set (10), a fan (8) and an air filtering port (7) are arranged at the bottom of the atomizing box (11), and the fan (8) is connected with the air feeder (5) through an air feeding pipeline;
the side wall of the low-temperature curing box is of a double-layer structure made of liquid nitrogen-resistant materials, a space formed in the double-layer side wall of the low-temperature curing box is a liquid nitrogen containing cavity, an upper cover (18) is arranged above the low-temperature curing box, an atomizing interface (12-2) in butt joint with an atomizing connector (12-1) is arranged on the upper cover (18), a liquid nitrogen injection port (17) is arranged above the side wall of the low-temperature curing box, a liquid nitrogen discharge port (22) is arranged on one side opposite to the liquid nitrogen injection port (17), the liquid nitrogen injection port (17) is sealed through a liquid nitrogen injection port plug (19), and the liquid nitrogen discharge port (22) is sealed through the upper cover; and at least one water mist solidification residual gas outlet (23) is arranged below the side of the low-temperature solidification box to discharge residual air after water molecules in the low-temperature solidification box are solidified.
2. The steam ice making apparatus of claim 1, wherein: the inside fin passageway (24) that hold the chamber intercommunication with the liquid nitrogen that is provided with of low temperature curing case to be used for cooling to low temperature curing incasement portion.
3. A steam ice making apparatus according to claim 2, wherein: and a fin emptying port (20) and a fin emptying cover (21) for plugging the fin emptying port (20) are arranged above the fin channel (24), and the height of the liquid nitrogen outlet (22) is consistent with that of the fin emptying port (20).
4. The steam ice making apparatus of claim 1, wherein: still be provided with level sensor (6) in atomizer box (11), based on the liquid level that level sensor (6) show, realize in time moisturizing or cutting off the water supply in atomizer box (11) through the switching of control solenoid valve (4).
5. A steam ice making apparatus according to claim 3 or 4, wherein: the upper end of the water storage tank (1) is connected with the atomization box (11) through a uniform pressure pipe (3), and a water retaining sheet (13) is arranged at one end of the uniform pressure pipe (3) connected with the atomization box (11).
6. The steam ice making apparatus of claim 5, wherein: and a heat-insulating layer (15) is arranged on the outer surface of the low-temperature curing box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254608.5U CN210089209U (en) | 2019-02-28 | 2019-02-28 | Steam ice preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920254608.5U CN210089209U (en) | 2019-02-28 | 2019-02-28 | Steam ice preparation facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210089209U true CN210089209U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920254608.5U Expired - Fee Related CN210089209U (en) | 2019-02-28 | 2019-02-28 | Steam ice preparation facilities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210089209U (en) |
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2019
- 2019-02-28 CN CN201920254608.5U patent/CN210089209U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210228 |