CN207860422U - A kind of euphausia superba cargo hold cooling system - Google Patents
A kind of euphausia superba cargo hold cooling system Download PDFInfo
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- CN207860422U CN207860422U CN201820156134.6U CN201820156134U CN207860422U CN 207860422 U CN207860422 U CN 207860422U CN 201820156134 U CN201820156134 U CN 201820156134U CN 207860422 U CN207860422 U CN 207860422U
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- air
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Abstract
The utility model provides a kind of euphausia superba cargo hold cooling system, and the cargo hold cooling system includes：The one air-cooler room being arranged in cargo hold, cold wind interior thereof are equipped with air-cooler, and the outlet of air-cooler is equipped with air-cooler coil pipe, and the upper side of air-cooler room is equipped with return air grid；One floor being arranged on tank top, floor are ventilating floor, and floor is made of several vent passages, and the surface on floor is equipped with several apertures be connected with vent passages；The outlet of vent passages and air-cooler is connected.The utility model is simple in structure, cold wind uniformly sent to cargo hold using air-cooler everywhere in, the type of cooling than direct heat exchange evaporation comb is more easy to temperature in control cabinet so that the temperature in cabin is more balanced, and cooling speed is also faster.
Description
Technical field
The utility model is related to cargo hold cooling systems, more particularly to one kind is in polar region operation euphausia superba cargo hold cooling system
System.
Background technology
The technical solution of the prior art one is as follows：
Direct heat exchange evaporation comb cooling, after refrigerant flows through compressor, condenser and liquid storage device, is transported to each cabin to cool down
Air in cabin, and then realize the function of cooling cargo hold and cargo.
Usually using several groups of parallel circuits, expansion valve and shut-off valve is separately provided in each circuit.It is made using such mode
Valence can be relatively cheap, and the mounting surface of cooling coil is the surface that heat enters, simultaneously because the cold-storage effect of row's liquid in pipe,
The cooling that also cargo hold can be kept certain when into shipment.
The shortcomings that prior art one, is as follows：
The first, direct heat exchange evaporation comb cooling has a disadvantage that：
The second, the temperature in cabin relies on free convection, temperature more difficult to control uniformly；
Third is difficult the correct refrigerating capacity for adjusting and repairing each access；
4th, due to that cannot install comb below hatchcover, the temperature below hatchcover is higher；
5th, each access has pressure drop limitation to require, and length must not exceed limitation；
6th, the consumptive material of comb is big, heavier-weight；
7th, the quantity of comb is big, there is great risk of leakage, can lead to the leakage of refrigerant, and inconvenient repairing；
8th, frosting can influence the heat transfer efficiency of comb, in order to ensure that cabin temperature needs to reduce evaporating pressure.
The technical solution of the prior art two is as follows：
Brine coil pipe cooling recirculation system, refrigerant is limited in dedicated ice-maker chamber, is first dropped using refrigerant
The temperature of low-solids water, then brine is transported to the air that each cabin is come in cooling cabin, and then realizes the work(of cooling cargo hold and cargo
Energy.
The comb on being mounted on a wall and pushing up, electric fan is replaced to make air through coil pipe using one group of compact coil pipe
Cycle with air duct blow to cargo compartment, then relies on the import suction function of wind turbine to return to wind turbine through air hose.Air flows through air hose
When with cargo hold, infiltration heat and cargo heat are absorbed, then be back to coil pipe and cooled down by brine.
The shortcomings that prior art two, is as follows：
The first, brine coil pipe cooling recirculation system has a disadvantage that：
The second, as a result of the form of secondary heat exchange indirect refrigeration, refrigeration equipment needs evaporating temperature to be achieved lower；
Third, equipment requirement higher, system is more complicated, and initial cost becomes larger；
4th, different temperature is maintained in different cargo holds, needs the different pressures problem for keeping different accesses；
5th, forced ventilation is used in cargo hold, easily makes loss of goods moisture and drying loss occurs；
6th, it since the temperature of air hose blowout wind is too low, cannot work into system when shipment.
The refrigerated goods transported on ship generally can be divided into two major classes：One kind is the cooling food using fruit as representative；It is another
Class is the meat to freeze as the frozen food of representative；The temperature range of refrigeration hold is generally -29 DEG C to+15 DEG C, ships goods
The type of object is different, and the temperature of maintenance is also different.The maintenance precision of temperature is ± 5 DEG C when carrying frozen product.
For euphausia superba, since krill belongs to the cargo of high-quality, ensure the quality pole of frozen product
It is important.A large amount of research paper is being queried, after have passed through long-term discussion and visiting, in conjunction with the main cargo class of this ship
Type and total deployment scenarios are finally divided into three refrigeration holds, and three cargo holds are divided into different sizes and different temperature；It examines
The diversity of cargo is loaded after considering, wherein there are two cargo hold or transition temperature chamber, can be set not according to the loading of different cargos
Same temperature, greatly improves the utilization ratio and economy of cargo hold.
The different configurations of cargo hold cooling, it will directly influence the lectotype selection of ship, system design, deployment scenarios, first
Phase invests and the key factors such as operation costs, therefore the cargo hold type of cooling verified is selected to be particularly important.
The fishing factory ship that euphausia superba is modernized as one, the institute under different operating modes and ambient temperature
The refrigerating capacity needed is different, due to the loading type of cargo be divided into freeze shrimp, frozen fish and shrimp med, and the output of freight all kinds with
It the time and fishing plan is possible to change at any time, therefore the also difference of the refrigerating capacity needed for each cabin；With external environment temperature
The variation of degree, external environment to be treated penetrates into heat and cargo cools down required amount of cooling water and also differs.
Therefore, under the premise of assurance function, how science design this ship cargo hold cooling system, effectively ensure goods
The quality of object and the heavy difficult point of the design for reducing energy consumption and this ship.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple in structure, easy to use, good cooling results, safety
The high euphausia superba cargo hold cooling system of property.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
A kind of euphausia superba cargo hold cooling system, the cargo hold cooling system include：
The one air-cooler room being arranged in cargo hold, cold wind interior thereof are equipped with air-cooler, and the outlet of air-cooler is equipped with cold wind
The upper side of machine coil pipe, air-cooler room is equipped with return air grid；
One floor being arranged on tank top, floor are ventilating floor, and floor is made of several vent passages, floor
Surface be equipped with several apertures for being connected with vent passages；The outlet of vent passages and air-cooler is connected.
In one embodiment of the utility model, the air-cooler coil pipe is connect with external ammonia refrigeration pipeline.
In one embodiment of the utility model, the cold wind interior thereof is equipped with ammonia probe and emergency exhaust fan.
In one embodiment of the utility model, the vent passages transverse direction spaced set.
Through the above technical solutions, the utility model has the beneficial effects that：
The utility model is simple in structure, cold wind uniformly sent to cargo hold using air-cooler everywhere in, than directly evaporating row
The type of cooling of pipe is more easy to temperature in control cabinet so that the temperature in cabin is more balanced, and cooling speed is also faster.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the utility model layout drawing；
Number and the corresponding component title represented by letter in figure：
10, cargo hold 20, cargo 30, air-cooler room 31, return air grid 40, floor 41, vent passages 42, aperture 50, cold wind
Machine 51, air-cooler coil pipe.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
In view of the refrigeration requirements of the contained cargo of cargo hold, in conjunction with the factors such as specification, arrangement and economy, refrigeration hold cooling
Really constant current journey is followed successively by the working medium of determining refrigerant, the type of cooling and cooling system arrangement to system.
1, refrigerant working medium is determined
According to foregoing invention purpose, select refrigerant working medium according to following principle：
The first, to the influence of environment, if destroy ozone layer and aggravation greenhouse effects.
The second, excellent thermal performance.
Third, safety, it is such as nontoxic, it is non-combustible.
4th, the durability of system includes the compatibility of thermodynamics, chemical stability and material and material, lubricating oil
Deng.
5th, manufacturing cost is low, simple production process, convenient for management etc..
The destruction of ozone layer and global warming are the main Environmental Problems that Present Global is faced；Due to refrigeration, sky
It adjusts, the perhalogenation chlorine (bromine) that heat pump industry is widely used is fluorinated hydrocarbons (CFC) and hydrogeneous chlorofluorination hydrocarbons
(HCFC) there is destruction to ozone layer and generate greenhouse effects, make global refrigeration, air-conditioning, faced sternly with heat pump industry
The challenge of weight.
In terms of the development of nearly 10 years substitutes, no matter theoretically or from practice, it is difficult to find a kind of completely ideal
(ozone depletion potential ODP=0, greenhouse effects index GWP value is low (100 or less), and efficiently, safety is and inexpensive for substitute
The oil of high-lubricity dissolves each other.In order to substitute CFC the or HCFC refrigerants originally used, often there are a variety of solutions.It is replaced in many
For in object, only more preferably, it's hard to say best.How on earth substitute is selected, it is necessary to adaptation to local conditions.
Shipping business is in the transition work of substitute, it is necessary to face a kind of selection.Should according to own characteristic, condition and
Actual needs, all various aspects such as overall balance safety, environment, efficiency, input from technology and are economically made compromise and are considered, with
Reach optimization balance.
Previous fishing boat, generally using refrigerant R22, R22 as single working medium, in terms of performance and later maintenance still
There is certain advantage.Although R22 is small compared with CFC classes to the destruction of environment, such as largely discharge, will also generate tight into air for a long time
Weight consequence.This substance can use at present as short-term transition refrigerant.
Ammonia (NH3) has good refrigerating efficiency under -45 DEG C or more evaporating temperatures, but its condenser is bigger, heat exchange
Pipe is of high cost using stainless steel or titanium tube, and carbon steel tube lifetime is shorter in cabin, and ammonia charging amount is big and toxic, and leakage may be to human body
It causes damages, it is necessary to be individually for it and independent cabin is set, small-scale fishing vessel is generally difficult to sacrifice huge fish hold volume thus.
In order to ensure performance and cope with the environmental requirement of operating area, we, which finally determine, uses refrigeration of the ammonia as this ship
Agent working medium.
2, the type of cooling is determined
According to foregoing invention purpose, select the suitable cargo hold type of cooling according to following three principle：
The first, the temperature in the control cabinet that can stablize, to ensure the quality of different under-deck cargoes objects.
It the second, must safe enough.
Third, the economy for taking into account up-front investment and operation.
The forced-air circulation of use, cold wind uniformly sent to cabin using air-cooler everywhere in, than direct heat exchange evaporation comb
The type of cooling be more easy to temperature in control cabinet so that the temperature in cabin is more balanced, and cooling speed is also faster.
《Steel seagoing fishing vessel builds specification 2015》The requirement for having a whole set of to the use of ammonia, cover to refrigeration equipment,
The safety measures such as pressure-vessel, pipeline, ancillary equipment, safety equipment, monitoring and alarm greatly improve the system of using ammonia as
The safety of cryogen.Simultaneously, it is contemplated that the risk of leakage and safety, the form for not using comb directly cooling greatly reduce
The length of ice-maker chamber's exterior line, exterior line is fewer, and risk of leakage is smaller.
In order to ensure the economy of system, the evaporation temperature of refrigeration compressor can be effectively reduced using the form directly evaporated
Degree, need not select the compressor of ultralow temperature, system is also more simple, and the expense of equipment investment and operation greatly reduces.
It is final to determine using air through the hydronic mode of direct-expansion coil by carefully verifying and constantly weighing.
3, the arrangement of cooling system is determined
After refrigerant working medium and methods for cooling is determined, the cooling system of cargo hold is arranged as the most important thing, then good
If system deployment scenario cannot achieve in arrangement or there are problem, system is also difficult to effectively complete set target
With require.
Consider from a safety viewpoint, individual air-cooler room is arranged, and ammonia refrigeration pipeline only leads to this cabin, while herein
Ammonia probe and emergency exhaust fan are equipped in cabin, exhaust blower automatically turns on after detecting ammonia leakage, and ammonia is drained into outdoor.
From the viewpoint of loading, if top or side are equipped with air hose, the space of loading can be occupied, top is gone back in addition
The driving for having handling goods also influences whether the normal operation of driving, therefore considers air hose not to be arranged at top and side.
The cycle of cargo compartment air-flow is generally top supplying air, is completed by the gravity natural subsidence of cold air, still
Since top does not have condition setting ajutage, it may be considered that from air supply at the bottom and top return air.Since the bottom of cargo hold needs heap
Independent air hose can not be arranged in goods putting object, therefore considers that ventilating floor is arranged in bottom, and floor has certain intensity that can bear goods
The gravity of object, while being aerial design below floor, it can be used as air duct and use, uniformly distributed aperture is for divulging information on floor.
In conclusion the utility model euphausia superba cargo hold cooling system includes the air-cooler room being arranged in cargo hold 10
30 and the floor 40 that is arranged on 10 bottom of cargo hold；Air-cooler room 30 is internally provided with air-cooler 50, and the outlet of air-cooler 50 is set
There are air-cooler coil pipe 51, air-cooler coil pipe 51 to be connect with external ammonia refrigeration pipeline, the upper side of air-cooler room 30 is equipped with back
Style grid 31；Floor 40 is ventilating floor, and floor 40 is made of several vent passages 41, and vent passages 41 are longitudinal equidistantly to be set
Set (according to actual needs its can also use other manner be arranged, such as：It is logical to support that completely aerial setting only relies on small t shore
Wind floor is not added with and repeats as long as purpose is connected in the outlet that can reach with air-cooler herein), it sets on the surface on floor 40
There are several apertures 42 be connected with vent passages 41；Vent passages 41 and the outlet of air-cooler 50 are connected.
The utility model is internally provided with ammonia probe and emergency exhaust fan in air-cooler room 30, when ammonia probe detects ammonia
After gas leakage, emergency exhaust fan automatically turns on, and ammonia is drained into outdoor, improves safety；The list that ammonia is popped one's head according to specification
Position area requirements are arranged, and the specific installation site of emergency exhaust fan does not limit herein, as long as can arrange the ammonia of leakage
To outdoor.
The operation principle of the utility model is as follows：
Entrance is negative pressure to air-cooler 50 at runtime, and the hot-air at 10 top of cargo hold can be by this negative-pressure ward, by return air
Grid 31 and enter air-cooler room 30, cooled down by the air-cooler coil pipe 51 that air-cooler 50 exports；The outlet of air-cooler 50 is
Positive pressure is sent into the vent passages 41 on 10 bottom floor 40 of cargo hold by air-cooler 50 through cooling cold air, then is pushed up from floor 40
The aperture 42 in portion is sent out；Cold air flow up during in cargo hold 10 cargo 20 or air carry out heat exchange, after heating
Become the top that hot-air reaches cargo hold 10；The hot-air at top is sucked by air-cooler 50 again, is so recycled, is reached 10 He of cargo hold
The effect that cargo 20 cools down.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of euphausia superba cargo hold cooling system, which is characterized in that the cargo hold cooling system includes：
The one air-cooler room being arranged in cargo hold, cold wind interior thereof are equipped with air-cooler, and the outlet of air-cooler is equipped with air-cooler disk
The upper side of pipe, air-cooler room is equipped with return air grid；
One floor being arranged on tank top, floor are ventilating floor, and floor is made of several vent passages, the table on floor
Face is equipped with several apertures be connected with vent passages；The outlet of vent passages and air-cooler is connected.
2. a kind of euphausia superba cargo hold cooling system according to claim 1, which is characterized in that the air-cooler coil pipe
It is connect with external ammonia refrigeration pipeline.
3. a kind of euphausia superba cargo hold cooling system according to claim 1, which is characterized in that in the air-cooler room
Portion is equipped with ammonia probe and emergency exhaust fan.
4. a kind of euphausia superba cargo hold cooling system according to claim 1, which is characterized in that the vent passages are horizontal
To spaced set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156134.6U CN207860422U (en) | 2018-01-30 | 2018-01-30 | A kind of euphausia superba cargo hold cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820156134.6U CN207860422U (en) | 2018-01-30 | 2018-01-30 | A kind of euphausia superba cargo hold cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN207860422U true CN207860422U (en) | 2018-09-14 |
Family
ID=63460221
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820156134.6U Active CN207860422U (en) | 2018-01-30 | 2018-01-30 | A kind of euphausia superba cargo hold cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207860422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665083A (en) * | 2018-12-04 | 2019-04-23 | 广州中臣碧阳船舶科技有限公司 | A kind of air supply device of cold-stroage boat |
| CN109911169A (en) * | 2019-02-22 | 2019-06-21 | 中船澄西船舶修造有限公司 | A kind of orange juice cargo ship insulation cooling air channel |
-
2018
- 2018-01-30 CN CN201820156134.6U patent/CN207860422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109665083A (en) * | 2018-12-04 | 2019-04-23 | 广州中臣碧阳船舶科技有限公司 | A kind of air supply device of cold-stroage boat |
| CN109911169A (en) * | 2019-02-22 | 2019-06-21 | 中船澄西船舶修造有限公司 | A kind of orange juice cargo ship insulation cooling air channel |
| CN109911169B (en) * | 2019-02-22 | 2023-12-26 | 中船澄西船舶修造有限公司 | Insulating cooling air duct of orange juice transport ship |
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