CN112849682A - Crab refrigeration preservation box and preservation method - Google Patents

Abstract

The invention discloses a crab refrigeration and preservation box and a preservation method by utilizing the characteristics of nest leaning, hibernation and storage environment moistening of crabs. The functional design of preservation box mainly guarantees to be adapted to three big characteristics that the crab was fresh-keeping, including box body, lid two parts, is equipped with trilateral fixed baffle in the box body, and trilateral fixed baffle encloses into square accommodation space with a side of box body, and the side is equipped with the air vent, and the interval between the baffle of trilateral fixed and other sides of box body forms the basin, and the height that highly is less than the box body of trilateral fixed baffle, the difference in height wherein is used for placing absorbent rag, and accommodation space is cut apart into the fixed square of a plurality of. The capillary phenomenon of the rag is utilized to keep the rag moist for a long time. The device realizes the long-time fresh-keeping and storage method of the crabs in the refrigerator, is simple and efficient, and has wide application prospect and practical value.

Description

Crab refrigeration preservation box and preservation method

Technical Field

The invention relates to storage and preservation of crabs, in particular to a household refrigerating and preservation method and a household preservation box for conveniently placing crabs for a long time.

Background

With the improvement of living standard of people, the supply of aquatic products is continuously increased every year in China. However, the storage problem of crabs always troubles most household users, crabs which are not properly stored will die quickly, and crabs on the market are sold in a bound mode and a bulk mode at present, and the main storage modes are as follows:

(1) the foam boxes are placed in a binding mode, and the plastic bottled water is frozen and then placed into the boxes to achieve the effect of refrigeration, so that the method is currently the mainstream commercial transportation method, but the method is not suitable for long-term storage in families, on one hand, the foam boxes cannot be placed into a refrigerator, on the other hand, the foam boxes are used for storing the frozen bottled water, the frozen bottled water needs to be replaced every day, the operation is very complicated, the temperature change is large when the frozen bottled water is replaced, the survival of crabs is not facilitated, and through tests, the crabs can survive for about 5 days on average by using the.

(2) Directly culturing in a basin, and if the temperature is proper, the crabs can survive for about 4 days averagely under natural conditions. But if water is put into the basin, the water can directly cause the crabs to die quickly.

(3) The crabs can survive for about 1 week even if being put in a basin or a fish tank to be added with water for oxygen enrichment and stored, but the crabs need oxygen enrichment equipment, and the ordinary families do not have the conditions.

In conclusion, the methods have the problems of complicated operation, high difficulty, short storage time and easy death of crabs. At present, the effective mode of families is that crabs are put in a refrigerator for storage in a refrigerating mode, the crabs are put in the refrigerator flatly, wet rags are covered on the crabs, the crabs are replaced and kept wet every day, and the survival of the crabs can reach more than 4 weeks through tests; in addition, the method occupies the area of the refrigerator, and is troublesome for replacing the wet rag every day; and the living crabs are directly placed in the refrigerator, so that the taste is easy to taint, and the living crabs are not sanitary.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a crab refrigeration preservation box and a preservation method, which realize long-time preservation of crabs and are simple in storage mode.

The technical scheme is as follows: the utility model provides a three characteristics that make full use of crab tend to nest, hibernation and keep moist favourable survival provide cold-stored fresh-keeping method and special preservation box, preservation box includes box body, lid two parts, be equipped with trilateral fixed baffle in the box body, trilateral fixed baffle encloses into square accommodation space with a side of box body, the side is equipped with the air vent, the interval between trilateral fixed baffle and other sides of box body forms the basin, the height of trilateral fixed baffle is less than the height of box body, the difference in height wherein is used for placing the rag that absorbs water, accommodation space is cut apart into a plurality of fixed square. The capillary phenomenon of the rag is utilized to keep the rag moist for a long time. The nest-approaching performance of the crabs is provided, namely the crabs can automatically curl and do not move after entering a fixed square grid with walls all around; under the refrigeration condition of about 5 ℃ in a refrigerator, the crabs enter a semi-hibernating state; under the condition of keeping moist environment, the crab survival is facilitated. Under the condition of comprehensively meeting the three characteristics, the survival and preservation time of the crabs can be greatly prolonged to more than 4 weeks.

Preferably, be equipped with movable baffle in the accommodation space, movable baffle is equipped with the draw-in groove of evenly arranging for peg graft each other, cut apart into adjustable fixed square with accommodation space.

Preferably, the movable partition is provided with a vent hole.

Preferably, the wipe is sized to cover the receiving space and the edges of the wipe are capable of extending into the sink. The capillary phenomenon of the rag is utilized to keep the rag moist for a long time.

Preferably, the box cover is connected with the box body through a spiral rotating shaft, so that the box cover can be conveniently opened at the largest angle.

Preferably, a circumference of the edge of the upper periphery of the box body is sunken downwards, and a circumference of the edge of the lower periphery of the box cover is protruded downwards, so that the box body and the box cover are clamped and covered, and the complete fitting of the box body and the box cover is ensured.

Preferably, the lower peripheral edge of the box body and the upper peripheral edge of the box cover are provided with rounding corners, so that the comfort level in taking and placing is facilitated.

A fresh-keeping method of a crab refrigeration fresh-keeping box comprises the following steps:

step 1: opening the box cover, and sequentially placing the crabs into the fixed grids;

step 2: the size of the fixed square grids is adjusted to meet the volume size of the crabs;

and step 3: covering a layer of wet rag in the accommodating space, filling the three sides of the rag into the reserved gaps, and filling a proper amount of water into the gaps;

and 4, step 4: covering the box cover and putting the box cover into a refrigerator for refrigeration;

and 5: when the crabs are eaten, the fresh-keeping box is taken out, the box cover is opened, the crabs are taken out according to the required quantity, and the rest crabs are continuously put into a refrigerator for fresh-keeping storage.

Has the advantages that: compared with the prior art, the invention has wide practicability and application prospect, and has the following remarkable advantages:

(1) the nest-leaning characteristic of the crabs is utilized, namely the crabs can automatically curl and do not move after entering the fixed square grids with the surrounding being ramparts, so that the method is applicable to both binding and bulk loading of the crabs, the independent fixed square grids are formed by the mutually inserted partition plates, each fixed square grid can be used for placing one crab, and the nest-leaning characteristic of the crabs can ensure that the crabs do not invade each other for the unbundled crabs, so that the energy consumption in the body is reduced, and the survival time is prolonged;

(2) according to the fresh-keeping box, after crabs are placed in the fresh-keeping box, a layer of wet cleaning cloth is covered, three sides of the cleaning cloth are plugged into three water tanks of the box body, water is filled in the water tanks, and due to capillary phenomenon, the water can flow along the three sides of the cleaning cloth and always keeps the wettability of the cleaning cloth, so that a moist environment is created for the box body, the survival time of the crabs is effectively prolonged, and the complicated steps that the cleaning cloth needs to be replaced every day are avoided;

(3) the length-width ratio of the preservation box is suitable for a refrigerator, after the crabs are placed in the preservation box, the preservation box is placed in the refrigerator for refrigeration, and under the condition of the temperature of the refrigerating chamber, the crabs enter a semi-hibernation state, so that the mobility is further reduced, the consumption of internal energy is reduced, and the high survival rate of the crabs is ensured;

(4) an air hole is reserved in the front of the box body of the preservation box, so that air flowing in the box body is ensured;

(5) the crabs are stored in the fresh-keeping box and are isolated from other foods in the refrigerator after being placed in the refrigerator, so that the odor tainting is avoided, and the sanitation of the refrigerator is also ensured.

Drawings

FIG. 1 is a perspective view of the crisper of the present invention;

fig. 2 is a structural view in the case of the present invention.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

As shown in fig. 2, the first partition boards are transversely overlapped in the box body, the number of the first partition boards is six, and the six first partition boards are transversely distributed in the box body at equal intervals; the inside longitudinal overlap joint of box body has the second baffle, the second baffle quantity be three, and three second baffle longitudinal distribution is in the inside of box body. The six first partition plates and the three second partition plates are crossed to form ten fixed grids. Wherein, the baffle in the box body is equipped with the draw-in groove, the size of the fixed square of being convenient for activity regulation in order to be applicable to the crab of different size.

Empty grooves are reserved on three sides in the box body, so that wet cleaning cloth can be covered on the fixed grids, water is injected into the empty grooves after the wet cleaning cloth is plugged into the three empty grooves, and the wet cleaning cloth can be kept moist for a long time by utilizing the capillary phenomenon of the cleaning cloth.

After the box cover is covered, air gaps are distributed on the whole preservation box along the air holes in the side face of the box body and the air holes in the partition plate, so that air circulation in the box is ensured.

The box cover is connected with the box body through a spiral structure, and the opening of the box cover at the largest angle is facilitated.

The box wall of the periphery is sunken downwards in a circumferential direction on the box body, the box wall of the periphery is protruded downwards in a circumferential direction under the box cover, and when the cover is closed, the complete fitting of the box body and the box cover is guaranteed.

The box wall of the lower periphery of the box body is rounded through the edge, which is favorable for the comfort level when taking and placing.

The crab preservation box provided by the invention specifically operates as follows:

step 1: opening the box cover, and sequentially placing the crabs into the fixed grids;

step 2: the size of the fixed square grids is adjusted to meet the volume size of the crabs;

and step 3: covering a layer of wet rag on the fixed grids, plugging three sides of the rag into the reserved gaps, and filling a proper amount of water into the gaps;

and 4, step 4: covering the box cover and putting the box cover into a refrigerator for refrigeration;

and 5: when the crabs are eaten, the fresh-keeping box is taken out, the box cover is opened, the crabs are taken out according to the required quantity, and the rest crabs are continuously put into a refrigerator for fresh-keeping storage.

Claims (8)

1. The crab refrigeration and preservation box according to claim 1, comprising a box body and a box cover, and is characterized in that a partition plate with three fixed surfaces is arranged in the box body, a square accommodating space is defined by the partition plate with three fixed surfaces and one side surface of the box body, the side surface is provided with a vent hole, a water tank is formed by the partition plate with three fixed surfaces and the other side surfaces of the box body at intervals, the height of the partition plate with three fixed surfaces is lower than that of the box body, the height difference is used for placing water-absorbing cleaning cloth, and the accommodating space is divided into a plurality of fixed grids.

2. The crab refrigeration and fresh-keeping box according to claim 1, wherein a movable partition board is arranged in the accommodating space, and the movable partition board is provided with clamping grooves which are uniformly arranged and are used for being mutually inserted to divide the accommodating space into adjustable fixed squares.

3. The crab refrigeration and preservation box according to claim 2, wherein the movable partition plate is provided with vent holes.

4. A crab cold-storage fresh-keeping box according to claim 1, wherein the rag is sized to cover the receiving space and the edge of the rag is capable of extending into the sink.

5. The crab refrigeration and fresh-keeping box according to claim 1, wherein the box cover is connected with the box body through a spiral rotating shaft.

6. A crab refrigeration fresh-keeping box as claimed in claim 1, wherein a periphery of the upper peripheral edge of the box body is concave downwards, and a periphery of the lower peripheral edge of the box cover is convex downwards, so that the box body and the box cover can be tightly and tightly closed.

7. A crab refrigeration crisper as claimed in claim 1, wherein the box body lower peripheral edge and the box lid upper peripheral edge are rounded.

8. The fresh-keeping method of the crab refrigeration fresh-keeping box according to claim 1, which is characterized by comprising the following steps:

step 1: opening the box cover, and sequentially placing the crabs into the fixed grids;

step 2: the size of the fixed square grids is adjusted to meet the volume size of the crabs;

and step 3: covering a layer of wet rag in the accommodating space, filling the three sides of the rag into the reserved gaps, and filling a proper amount of water into the gaps;

and 4, step 4: covering the box cover and putting the box cover into a refrigerator for refrigeration;

and 5: when the crabs are eaten, the fresh-keeping box is taken out, the box cover is opened, the crabs are taken out according to the required quantity, and the rest crabs are continuously put into a refrigerator for fresh-keeping storage.

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