CN210861913U - Open type air refrigeration low-temperature refrigeration house for recovering liquefied natural gas cold energy - Google Patents
Open type air refrigeration low-temperature refrigeration house for recovering liquefied natural gas cold energy Download PDFInfo
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- CN210861913U CN210861913U CN201921526338.5U CN201921526338U CN210861913U CN 210861913 U CN210861913 U CN 210861913U CN 201921526338 U CN201921526338 U CN 201921526338U CN 210861913 U CN210861913 U CN 210861913U
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- cold
- natural gas
- liquefied natural
- supply pipe
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Abstract
The utility model discloses an open type air refrigeration low-temperature refrigeration house for recovering the cold energy of liquefied natural gas, which comprises a cold air treatment box positioned at one side of the refrigeration house, wherein the cold air treatment box is connected with the upper part of the refrigeration house through an air supply pipe and is connected with the lower part of the refrigeration house through an air return pipe; the cold air treatment box is characterized in that a heat exchanger is arranged at the bottom of the cold air treatment box, the heat exchanger is connected with an outlet of liquefied natural gas circulation through a liquefied natural gas pump, and a fan is arranged above the heat exchanger and located below an air inlet of the air supply pipe. The utility model discloses abundant recycle liquefied natural gas cold energy, open air are the cooling between cold, need not the heat exchanger in the cold, can not frosting, and system's equipment is simple, and initial investment and power consumption are few, improve the utilization ratio of liquefied natural gas cold energy, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a food refrigeration technical field, concretely relates to retrieve open air refrigeration's low temperature freezer of liquefied natural gas cold-energy.
Background
A common low-temperature refrigeration house for freezing and refrigerating food is a Freon or ammonia two-stage compression refrigeration system and is also provided with a cascade refrigeration system, a refrigeration compressor needs to consume a large amount of electric energy, a cold room inner coil pipe of the refrigeration house or the surface of an air cooler frosts, so that heat transfer resistance is increased, heat transfer performance is reduced, evaporation temperature is reduced, power consumption of the refrigeration compressor is further increased, and meanwhile, the refrigeration system is complex and high in initial investment. If the cold energy of the liquefied natural gas is recovered by using the secondary refrigerant, similarly, the surface of a coil pipe or an air cooler in a cold room of the refrigeration house is frosted, so that the heat transfer effect is influenced, moreover, the defrosting influences a temperature field in the cold room, the food preservation quality is influenced, and the defrosting water is troublesome to clean.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical defect who exists among the prior art, provide a retrieve open air cooling's of liquefied natural gas cold energy low temperature freezer to solve the effective utilization of liquefied natural gas cold energy, realize the open air cooling of low temperature freezer, the energy saving.
The utility model provides a technical scheme that its technical problem adopted is:
the open type air refrigeration low-temperature refrigeration house for recovering the cold energy of the liquefied natural gas comprises a cold air treatment box positioned on one side of the refrigeration house, wherein the cold air treatment box is connected with the upper part of the refrigeration house through an air supply pipe and is connected with the lower part of the refrigeration house through an air return pipe; the cold air treatment box is characterized in that a heat exchanger is arranged at the bottom of the cold air treatment box, the heat exchanger is connected with an outlet of liquefied natural gas circulation through a liquefied natural gas pump, and a fan is arranged above the heat exchanger and located below an air inlet of the air supply pipe.
The air supply pipe comprises a vertical air supply pipe and a horizontal air supply pipe, one end of the vertical air supply pipe extends into the top of the cold air treatment box, the other end of the vertical air supply pipe is connected with the horizontal air supply pipe, and the horizontal air supply pipe horizontally penetrates through a wall orifice of the cold storage body, extends into the cold storage body and is positioned at the top of the cold storage body.
And the horizontal air supply pipe is fixedly connected with the top of the warehouse body through an air pipe hanger.
The two ends of the air return pipe are open, one end of the air return pipe is horizontally arranged at the bottom of the cold storage body, penetrates through a wall orifice of the cold storage body and is fixed on the wall, and the side face of the other end of the air return pipe extends into the bottom of the cold air treatment box.
And the outlet connecting pipe of the heat exchanger penetrates through the side wall of the cold air treatment box, extends out of the cold air treatment box and is connected with an inlet of the liquefied natural gas circulation.
Wherein, blast pipe and return air pipe are a plurality of respectively, and each sets up at a spaced apart from each other.
And a plurality of air outlets arranged at intervals are formed on the wall of the horizontal air supply pipe.
The utility model discloses a retrieve open air refrigeration's of liquefied natural gas cold energy low temperature freezer, abundant recycle liquefied natural gas cold energy, open air is the cooling between cold, need not the heat exchanger in the cold, can not frosting, and system equipment is simple, and initial investment and power consumption are few, improve the utilization ratio of liquefied natural gas cold energy, and is energy-concerving and environment-protective.
Drawings
Fig. 1 is a schematic view of an open air-cooled cryogenic refrigerator for recovering cold energy of liquefied natural gas according to the present invention;
fig. 2 is a schematic view of fig. 1 taken along line a-a.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
Fig. 1 and fig. 2 show, the utility model discloses retrieve cryogenic air storage of open air of liquefied natural gas cold energy, including vertical blast pipe 1, horizontal blast pipe 2, tuber pipe gallows 3, air outlet 4, storehouse door 5, the storehouse body 6, return air pipe 7, liquefied natural gas pump 8, heat exchanger 9, fan 10, support 11, cold air treatment case 12.
One end of the vertical blast pipe 1 extends into the top of the cold air treatment box 12, the other end of the vertical blast pipe is connected with the horizontal blast pipe 2, and the horizontal blast pipe 2 is horizontally positioned at the top of the storehouse body, penetrates through a wall orifice of the storehouse body and is fixedly connected with the top of the storehouse body through the air pipe hanger 3.
The utility model discloses in, the both ends of return air pipe 7 are opened, and the one end level is located the bottom of the storehouse body, passes the wall body drill way of the storehouse body and is fixed in on the wall body, and other end side is deep into in the bottom of cold air treatment case 12.
The utility model discloses in, heat exchanger 9 is located the bottom of cold air treatment case 12, the upper portion of return air pipe 7, and the entry is taken over and is passed cold air treatment case 12 lateral wall, through liquefied natural gas pump 8 and liquefied natural gas endless exit linkage, and its export is taken over and is passed cold air treatment case 12 lateral wall, with liquefied natural gas endless entry linkage.
The utility model discloses in, fan 10 is located the upper portion of the heat exchanger 9 of cold air treatment case 12, and is specific is fixed in cold air treatment case 12 inner wall through the support 11 of fan.
The utility model discloses in, storehouse body 6 can constitute heat preservation hexahedron structure by roof, wallboard, roof, bottom plate, is close to storehouse door 5 and has seted up door frame and 5 sealed cooperations of storehouse door, but a vertical side of storehouse door 5 is fixed and relative rotation with the corresponding perpendicular limit of door frame.
The utility model discloses in, cold air treatment case 12 can be the sealed hexahedron's of heated board constitution structure.
When the refrigerating system operates, the liquefied natural gas pump 8 and the fan 10 are started, air is blown through the heat exchanger 9 to exchange heat with low-temperature liquefied natural gas at the bottom of the cold air treatment box 12 under the suction effect of the fan 10, the air enters the vertical air supply pipe 1 and the horizontal air supply pipe 2 after the temperature is reduced, the air is blown into a cold room through the air supply outlet 4 formed in the pipe wall of the horizontal air supply pipe 2, and the air returns to the cold air treatment box 12 through the air return pipe 7 from the air return opening at the bottom to circulate.
The utility model discloses an open air refrigeration's of liquefied natural gas cold energy is retrieved in development low temperature freezer need not the heat exchanger in the cold room, can not frosting, and system equipment is simple, and initial investment and power consumption are few, improve the utilization ratio of liquefied natural gas cold energy, and is energy-concerving and environment-protective.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The open type air refrigeration low-temperature refrigeration house for recovering the cold energy of the liquefied natural gas is characterized by comprising a cold air treatment box positioned on one side of the refrigeration house, wherein the cold air treatment box is connected with the upper part of the refrigeration house through an air supply pipe and is connected with the lower part of the refrigeration house through an air return pipe; the cold air treatment box is characterized in that a heat exchanger is arranged at the bottom of the cold air treatment box, the heat exchanger is connected with an outlet of liquefied natural gas circulation through a liquefied natural gas pump, and a fan is arranged above the heat exchanger and located below an air inlet of the air supply pipe.
2. The open type air-cooled cryogenic refrigerator for recovering cold energy of liquefied natural gas according to claim 1, wherein the air supply pipe comprises a vertical air supply pipe and a horizontal air supply pipe, one end of the vertical air supply pipe extends into the top of the cold air treatment box, the other end of the vertical air supply pipe is connected with the horizontal air supply pipe, and the horizontal air supply pipe horizontally penetrates through a wall orifice of the refrigerator body, extends into the refrigerator body and is positioned at the top of the refrigerator body of the cryogenic refrigerator.
3. The open type air refrigeration low-temperature freezer for recovering the cold energy of the liquefied natural gas as claimed in claim 2, wherein the horizontal air supply pipe is fixedly connected with the top of the freezer body through an air pipe hanger.
4. The open type air refrigeration low-temperature cold storage warehouse for recovering the cold energy of the liquefied natural gas according to claim 1, wherein two ends of the air return pipe are open, one end of the air return pipe is horizontally positioned at the bottom of the cold storage warehouse body, penetrates through a wall orifice of the cold storage warehouse body and is fixed on the wall, and the other end of the air return pipe extends into the bottom of the cold air treatment box from the side surface.
5. The open air-cooled cryogenic refrigerator for recovering cold energy from liquefied natural gas according to claim 1, wherein the outlet connection pipe of the heat exchanger extends out of the cold air treatment tank through the side wall of the cold air treatment tank and is connected with the inlet of the liquefied natural gas circulation.
6. The open type air-cooled cryogenic refrigerator for recovering cold energy of liquefied natural gas according to claim 1, wherein the plurality of the blast pipes and the plurality of the return pipes are provided at a distance from each other.
7. The open type air refrigeration cryogenic refrigerator for recovering liquefied natural gas cold energy according to claim 2, wherein a plurality of air outlets arranged at intervals are formed on the pipe wall of the horizontal air supply pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526338.5U CN210861913U (en) | 2019-09-12 | 2019-09-12 | Open type air refrigeration low-temperature refrigeration house for recovering liquefied natural gas cold energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921526338.5U CN210861913U (en) | 2019-09-12 | 2019-09-12 | Open type air refrigeration low-temperature refrigeration house for recovering liquefied natural gas cold energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210861913U true CN210861913U (en) | 2020-06-26 |
Family
ID=71286377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921526338.5U Expired - Fee Related CN210861913U (en) | 2019-09-12 | 2019-09-12 | Open type air refrigeration low-temperature refrigeration house for recovering liquefied natural gas cold energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210861913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530092A (en) * | 2019-09-12 | 2019-12-03 | 天津商业大学 | Recycle the low-temperature cold store of the free-air refrigeration of cold energy of liquefied natural gas |
-
2019
- 2019-09-12 CN CN201921526338.5U patent/CN210861913U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530092A (en) * | 2019-09-12 | 2019-12-03 | 天津商业大学 | Recycle the low-temperature cold store of the free-air refrigeration of cold energy of liquefied natural gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |