CN201953106U

CN201953106U - Vacuum cold storage

Info

Publication number: CN201953106U
Application number: CN2010206830520U
Authority: CN
Inventors: 王保亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-28
Filing date: 2010-12-28
Publication date: 2011-08-31
Anticipated expiration: 2020-12-28

Abstract

The utility model discloses a vacuum cold storage, which is provided with an underground concrete foundation and an underground space sealed by a floor panel; and an operation room is arranged on the floor panel. The vacuum cold storage is characterized in that a cold storage body is mounted inside the underground space and wrapped by a concrete layer outside the cold storage, and the cold storage body is provided with an operation door on the floor panel. The vacuum cold storage has the advantages that double-layer heat insulation, that is vacuum and a heat insulating layer, is adopted inside the cold storage body, the temperature outside the cold storage body is stabilized through the reasonable structure of the exterior by utilizing the underground temperature difference in winter and summer; and meanwhile, as the underground cold storage body is relatively sealed, the low temperature by the running of the cold storage is aggregated to form a cold air zone isolating from the ground temperature under the exterior of the cold storage body. Therefore, four protective measures of vacuum, insulation, relative constant temperature and low temperature isolation are realized, the low running cost of the cold storage is realized, and the good effects of energy conservation and emission are achieved; and preliminary measurement and calculation proves that the running cost per year of a 30-tonnage cold storage is one fifth to one fifteenth of the running cost per year of the conventional cold storage. The vacuum cold storage has considerable popularization values.

Description

A kind of vacuum freezer

Technical field

The utility model belongs to the stored frozen fresh-keeping ice house of refrigeration industry, and definite saying is a kind of vacuum freezer.

Background technology

For the freezer of present use, mostly build on the ground, also some utilizes the freezer that various geographical conditions are built, and generally all sets up according to conventional design.But the conventional freezer of building, because a variety of causes such as heat-retaining conditions, the running cost of conventional freezer is very high, energy consumption is very big, does not meet current saving social requirement.Designer of the present utility model has done research in earnest for problems such as the energy consumption that overcomes conventional freezer and exist are big, has proposed goal of the invention of the present utility model.

Summary of the invention

Goal of the invention of the present utility model puts forward for the energy consumption problem big, that running cost is high and preservation quality is not good that overcomes present conventional freezer existence.A kind of vacuum freezer promptly is provided.

Technical solution of the present utility model is to realize like this, this kind vacuum freezer, the underground space with the sealing of underground concrete foundation and floor, it above the floor operation room, a freezer body that outer layer of concrete wraps up by freezer is installed in this underground space, on the freezer body, is had the actuating doors of driveing on the floor.

Further, this described a kind of vacuum freezer, the inside of its said freezer body has insulation layer, on the freezer body, have the vacuum-pumping tube and the humidification pipe that lead to operation room, two ends, bottom in the bottom of freezer body inside have the goods platform, below the goods platform, have the humidification mouth of pipe, have evaporation comb and humidity temperature pickup and vacuum sensor on the top of freezer body inside.

Another improved structure is, the concrete foundation of described a kind of vacuum freezer, northern facade has the air inlet duct by air door five controls between its concrete foundation top-operation, has ventilation stack in freezer body bottom, south elevation at this operation room above concrete foundation has exhast duct, has air door one in the exhast duct.

Especially, the exhast duct of this described a kind of vacuum freezer, its overground part at exhast duct has an air door three, is communicated with operation room in the air channel that respectively has up and down of this air door three, and respectively by air door four and air door two controls.

Improvement to the operation room of described a kind of vacuum freezer, have near the north side wall at operation room and to have condensation heat radiation comb above the pond, pond, between pond and condensation heat radiation comb, have the air channel that communicates with facade wall outside, operation room north by air door control.

Beneficial technical effects of the present utility model is: the inner vacuum that adopts of freezer body adds the insulation layer double-layer heat insulation, the outside by rational structure utilize winter and summer the subsurface temperature difference stablize the temperature of external of freezer, simultaneously, because the freezer body is at underground relative closure, the low temperature that the freezer operation is distributed gathers the cold air band that forms together isolated ground temperature below freezer is external.Like this; realize the quadruple safeguard measure that vacuum, insulation, relative constant temperature, low temperature are isolated, realized the cost degradation of freezer operation, reached the good result of energy-saving and emission-reduction; the freezer that initial estimate is one 30 tons, the expense of operation in a year is 1/5th to 1/15th of a conventional freezer.Needed power maximum has only 12Kw, keeps the power that fresh-keeping refrigerating operaton only needs 5-6Kw at ordinary times, and average one day power consumption is about 6-7Kwh.Has greatly application value.

Description of drawings

Accompanying drawing is the structural representation view of horizontal section of the present utility model.Sequence number in the accompanying drawing is illustrated as: 1, concrete foundation, 2, the floor, 3, the outer layer of concrete of freezer, 4, insulation layer, 5, air door one, 6, exhast duct, 7, air door two, 8, air door three, 9, air door four, 10, operation room, 11, condensation heat radiation comb, 12, actuating doors, 13, the pond, 14, air inlet duct, 15, air door five, 16, the humidification pipe, 17, vacuum-pumping tube, 18, vacuum layer, 19, the freezer body, 20, the evaporation comb, 21, humidity temperature pickup, 22, vacuum sensor, 23, the humidification mouth of pipe, 24, the goods platform, 25, ventilation stack, the arrow in the accompanying drawing are represented the direction that air flows.

The specific embodiment

Below in conjunction with the embodiment that provides in the accompanying drawing, structure of the present utility model and use are elaborated.With reference to accompanying drawing, this vacuum freezer, the underground space with underground concrete foundation (1) and floor (2) sealing, above the floor operation room (10), it is characterized in that in this underground space installing a freezer body (19) that outer layer of concrete (3) wraps up by freezer, have the actuating doors of driveing on floor (2) (12) on the freezer body.

This described vacuum freezer, the inside of its said freezer body has insulation layer (4), insulation layer preferably adopts the moulding of polyurethane foam material integral foam, the planform of its insulation layer as shown in the drawing, adopt in three limits, quadrangle and the accompanying drawing of polygonized structure hexagon all can, like this, space of formation between the inwall of the outside of insulation layer and freezer body, the inside of this space and insulation layer is the same, can form vacuum simultaneously.On the freezer body, have the vacuum-pumping tube (17) and the humidification pipe (16) that lead to operation room (10), be connected with vacuum pump with humidifier by pipeline respectively.Have goods platform (24) at the two ends, bottom of freezer body inside, the goods platform can be used for depositing the article of freeze preservation.Below the goods platform, has the humidification mouth of pipe (23) that is connected with the humidification pipe, so that the direct goods humidification of on the goods platform, depositing.Have evaporation comb (20) and humidity temperature pickup (21) and vacuum sensor (22) on the top of freezer body inside.The evaporation comb is communicated with refrigeration system, for low-temperature receiver is provided in the freezer.Humidity temperature pickup is connected with the control system of humidifier and refrigeration system, the temperature and humidity in the control freezer.Vacuum transducer is connected with the control module of vacuum pump, with the vacuum of control cool house internal.The vacuum of this vacuum cool house internal generally is controlled between the 300mmHg-700mmHg and can meets the demands.Inner other spaces except that the goods platform of freezer body store goods, according to general freezer to deposit requirement evenly distributed as far as possible, between the goods 5-20 centimetre at interval, with convenient balanced the refrigeration and fresh-keeping requirement.

The concrete foundation of described this kind vacuum freezer, northern facade at this operation room above concrete foundation has the air inlet duct of being controlled by air door five (14), has ventilation stack (25) in freezer body bottom, south elevation at this operation room above concrete foundation has exhast duct (6), has air door one in the exhast duct.Such structure; when summer; air door one and air door five are closed; the inside relative closure of concrete foundation then; temperature remains in the substantially invariable scope; with Shandong Province's Qingzhou City; summer, underground temperature was generally at the 20-25 degree; be significantly less than the 40-45 degree on the face of land, simultaneously, the downward sedimentation of cold air that the freezer body leaks; near the bottom of concrete foundation with formed the separation layer of a cold air on every side; further limited the rising of ground temperature, can keep the lower temperature of more outdoor normal temperature temperature, the freezer body has been played cold protective effect thereby played in summer.During winter, then air door one and five is all opened, winter the north cold air, both can enter into the inside of concrete foundation from air inlet duct (14), around the freezer body, form convection current, shown in the arrow in the accompanying drawing, at this moment, air door two between exhast duct (6) and the operation room (10) is opened, and air door three is closed (also can open), at this moment, the air of concrete foundation inner loop is through following ventilation stack (25) and other peripheral spaces, temperature then enters into operation room through exhast duct, at this moment after raising, because the concrete foundation temperature inside is generally greater than 0 degree centigrade, after entering into operation room, can allow operation room maintain the temperature at about 0 degree centigrade or more than, can guarantee that the equipment in the operation room normally moves.Like this, just need not take heating measure separately again winter, is particularly suitable for need building the heat preserving antistaling freezer in outlying isolated area and adopts.Air flows shown in the double-head arrow in the accompanying drawing.

The exhast duct of described this vacuum freezer has an air door three at the overground part of exhast duct (6), is communicated with operation room (10) in the air channel that respectively has up and down of this air door three, and respectively by air door four and air door two controls.

The operation room of described this vacuum freezer, have pond (13) at operation room near the north side wall and have condensation heat radiation comb (11) above the pond, between pond and condensation heat radiation comb, have the air channel that communicates with facade wall outside, operation room north by air door control.Such structure, can realize good heat radiation to the condensation comb, summer, the wind of coming in from northern facade is through air channel, air door, enter into after the bottom of the surface in pond and condensation comb, the part heat of condensation pipe arrangement is taken away, arrive the wall in the south of operation room through operation room, air exhaust passage through air door four places enters in the exhast duct (6), between discharging operation.Flowing shown in the arrow of operation room inside in the accompanying drawing of air.

When needs opening operation door (12) library access goods, this moment, vacuum disappeared, and whole freezer body temperature inside has insulation layer to keep.Treat after the goods of the intact cold storing and fresh-keeping of access actuating doors to be closed, open vacuum equipment, carry out vacuum pumping, freeze then.One 50 tons freezer once takes out and then deposits in 10 tons of goods, only needs about 3 hours storehouse temperatures can be reduced to 0 degree centigrade.Cooling, high insulating effect.

Claims

1. vacuum freezer, the underground space with underground concrete foundation (1) and floor (2) sealing, above the floor operation room (10), it is characterized in that in this underground space installing a freezer body (19) that outer layer of concrete (3) wraps up by freezer, have the actuating doors of driveing on floor (2) (12) on the freezer body.

2. according to the described a kind of vacuum freezer of claim 1, the inside that it is characterized in that said freezer body has insulation layer (4), on the freezer body, have the vacuum-pumping tube (17) and the humidification pipe (16) that lead to operation room (10), has goods platform (24) at the two ends, bottom of freezer body inside, below the goods platform, have the humidification mouth of pipe (23), have evaporation comb (20) and humidity temperature pickup (21) and vacuum sensor (22) on the top of freezer body inside.

3. according to the described a kind of vacuum freezer of claim 1, it is characterized in that northern facade has the air inlet duct of being controlled by air door five (14) between this concrete foundation top-operation, has ventilation stack (25) in freezer body bottom, south elevation at this operation room above concrete foundation has exhast duct (6), has air door one in the exhast duct.

4. according to the described a kind of vacuum freezer of claim 3, it is characterized in that having an air door three, be communicated with operation room (10) in the air channel that respectively has up and down of this air door three at the overground part of exhast duct (6), and respectively by air door four and air door two controls.

5. according to the described a kind of vacuum freezer of claim 1, it is characterized in that having pond (13) at operation room near the north side wall has condensation heat radiation comb (11) above the pond, between pond and condensation heat radiation comb, have the air channel that communicates with facade wall outside, operation room north by air door control.