CN207590009U - A kind of passive refrigeration energy saver - Google Patents
A kind of passive refrigeration energy saver Download PDFInfo
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- CN207590009U CN207590009U CN201720217685.4U CN201720217685U CN207590009U CN 207590009 U CN207590009 U CN 207590009U CN 201720217685 U CN201720217685 U CN 201720217685U CN 207590009 U CN207590009 U CN 207590009U
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- ice water
- heat exchanger
- fresh milk
- refrigeration
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Abstract
The utility model proposes a kind of passive refrigeration energy saver, belong to refrigeration technology field.The device includes the components such as outdoor heat exchanger, active refrigeration compressor set, active refrigeration compressor set radiator, ice water tank, fresh milk heat exchanger and low temperature fresh milk storage silo, passive refrigeration is carried out using the low temperature in environment, in combination with active refrigeration, meet environment temperature it is higher in the case of refrigeration demand, the excessive electric energy of single active refrigeration is avoided to expend, the effective purpose for realizing energy-saving and emission-reduction, while effectively reduce refrigeration cost.
Description
Technical field
The utility model is related to a kind of passive refrigeration energy savers, belong to refrigeration technology field.
Background technology
In fresh milk manufacturing enterprise, there is direct relationship with temperature to the fresh-keeping of fresh milk before fresh milk storage and transportation, therefore, in fresh milk
During storage, refrigerating plant is essential equipment, and the refrigerating plant in current fresh milk storing process is filled for active refrigeration
It puts, needs to consume a large amount of electric energy in temperature-fall period.Increase the cost of fresh milk storage.
Utility model content
The utility model is excessive in order to solve the problems, such as active refrigeration machine power consumption, it is proposed that a kind of energy-efficient refrigeration
Device, the technical solution taken are as follows：
A kind of passive refrigeration energy saver, the passive refrigeration energy saver include outdoor heat exchanger 1, active refrigerant compression
Unit 2, active refrigeration compressor set radiator 3, ice water tank 4, fresh milk heat exchanger 5 and low temperature fresh milk storage silo 6；The open air
The ice water outlet of heat exchanger 1 is connected with the ice water entrance of active refrigeration compressor set 2 by pipeline；The active refrigeration compressor
The ice water port of export of group 2 is connected with the ice water arrival end of ice water tank 4 by pipeline；The ice water tank 4 ice water circulation outlet with
The ice water arrival end of outdoor heat exchanger 1 is connected by pipeline, and in the ice water circulation outlet of the ice water tank 4 and outdoor heat exchanger
On pipeline between 1 ice water arrival end 12 are pumped equipped with refrigeration cycle；The ice water delivery outlet of the ice water tank 4 and fresh milk heat exchange
It is connected between the ice water entrance of device 5 by pipeline；The ice water delivery outlet and the ice water of fresh milk heat exchanger 5 of the ice water tank 4 enter
Ice water rear pump 13 is housed on the pipeline between mouthful；The heat exchange ice water delivery outlet of the fresh milk heat exchanger 5 and ice water tank 4
Heat exchange ice water input port is connected by pipeline；The fresh milk delivery outlet of the fresh milk heat exchanger 5 by fresh milk delivery pump 14 with
Low temperature fresh milk storage silo 6 carries out pipeline connection；By fresh between the fresh milk entrance of the fresh milk heat exchanger 5 and fresh milk feed end
15 pipeline of milk delivery pump is connected；Active refrigeration unit fan-cooled radiator 3 is installed in the active refrigeration compressor set 2.
Further, it is equipped on the pipeline between the ice water arrival end of the outdoor heat exchanger 1 and refrigeration cycle pump 12
Electrically operated valve F1 10.
Further, the pipeline and the ice water of outdoor heat exchanger 1 between the electrically operated valve F1 10 and ice water circulation pump 12
Outlet is connected with the pipeline between the ice water entrance of active refrigeration compressor set 2 by connecting lateral.
Further, electrically operated valve F2 11 is installed on the lateral.
Further, the passive refrigeration energy saver further includes temperature sensor 1, temperature sensor 28 and temperature
Sensor 39；The temperature sensor 1 is mounted on the ice water outlet conduit of outdoor heat exchanger 1；The temperature sensor two
8 are installed at the installation environment of outdoor heat exchanger 1；The temperature sensor 39 is installed in ice water tank 4.
Further, the outdoor heat exchanger 1 uses passive refrigeration unit fan-cooled radiator.
Further, effective refrigeration area of the passive refrigeration unit fan-cooled radiator and the ratio of fresh milk liquid are
10 square meters/milk per ton.
The beneficial effects of the utility model are：
The utility model proposes passive refrigeration energy saver can make full use of the temperature advantage in cold ground winter, this is passive
Refrigerated energy-saving device provides refrigeration by the low temperature in winter natural environment for fresh milk；In other seasons, according to outdoor natural ring
The temperature in border, the passive refrigeration energy saver combine active refrigeration compressor set and alternately provide refrigeration for fresh milk rather than single make
Freezed with active refrigerating plant, greatly reduce power consumption, be truly realized energy-saving and emission-reduction.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the control principle schematic diagram of the utility model electric part.
(1, outdoor heat exchanger；2, active refrigeration compressor set；3, active refrigeration compressor set radiator；4, ice water tank；5,
Fresh milk heat exchanger；6, low temperature fresh milk storage silo；7, temperature sensor one；8, temperature sensor two；9, temperature sensor three；
10, electrically operated valve F1；11, electrically operated valve F2；12, refrigeration cycle pump 12；13, ice water rear pump；14, fresh milk delivery pump；15, it is fresh
Milk delivery pump)
Specific embodiment
The utility model is described further, but the utility model is not limited by embodiment with reference to specific embodiment
System.
In the description of the present invention, it should be noted that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer " and " endways " are based on attached
Orientation or position relationship shown in figure are for only for ease of description the utility model and simplify description rather than instruction or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of utility model.
In the description of the present invention, it should be noted that unless otherwise expressly provided and limit, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be directly connected to, can also be indirectly connected with by intermediary, can be the connection of two components interiors.For
For those of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " multigroup ", " more " are meant that two
It is a or more than two.
Material therefor, instrument and method in implementation below are this field conventional material, instrument without specified otherwise
Device and method can be obtained by commercial channel.
Embodiment 1
A kind of passive refrigeration energy saver, as shown in Figure 1, the passive refrigeration energy saver includes outdoor heat exchanger 1, has
Source refrigeration compressor set 2, active refrigeration compressor set radiator 3, ice water tank 4, fresh milk heat exchanger 5 and low temperature fresh milk storage silo
6；The outdoor heat exchanger 1 uses passive refrigeration unit fan-cooled radiator.The outdoor heat exchanger 1 ice water outlet with it is active
The ice water entrance of refrigeration compressor set 2 is connected by pipeline；The ice water port of export and ice water tank of the active refrigeration compressor set 2
4 ice water arrival end is connected by pipeline；The ice water circulation outlet of the ice water tank 4 and the ice water arrival end of outdoor heat exchanger 1
It is connected by pipeline, and the pipeline between the ice water circulation outlet of the ice water tank 4 and the ice water arrival end of outdoor heat exchanger 1
It is upper to pump 12 equipped with refrigeration cycle；Pass through pipe between the ice water delivery outlet of the ice water tank 4 and the ice water entrance of fresh milk heat exchanger 5
Road is connected；It is defeated equipped with ice water on pipeline between the ice water delivery outlet of the ice water tank 4 and the ice water entrance of fresh milk heat exchanger 5
Go out pump 13；The heat exchange ice water delivery outlet of the fresh milk heat exchanger 5 passes through pipeline with the heat exchange ice water input port of ice water tank 4
It is connected；The fresh milk delivery outlet of the fresh milk heat exchanger 5 carries out pipeline company by fresh milk delivery pump 14 and low temperature fresh milk storage silo 6
It connects；It is connected between the fresh milk entrance of the fresh milk heat exchanger 5 and fresh milk feed end by 15 pipeline of fresh milk delivery pump；It is described to have
Active refrigeration unit fan-cooled radiator 3 is installed in source refrigeration compressor set 2.
Wherein, it is equipped on the pipeline between the ice water arrival end of the outdoor heat exchanger 1 and refrigeration cycle pump 12 electronic
Valve F110.Pipeline and the ice water of outdoor heat exchanger 1 between the electrically operated valve F1 10 and refrigeration cycle pump 12 are exported with having
Pipeline between the ice water entrance of source refrigeration compressor set 2 is connected by connecting lateral.Meanwhile on the lateral
Electrically operated valve F2 11 is installed.
In addition, the passive refrigeration energy saver further includes temperature sensor 1, temperature sensor 28 and temperature sensing
Device 39；The temperature sensor 1 is mounted on the ice water outlet conduit of outdoor heat exchanger 1；The temperature sensor 28 is pacified
At installation environment loaded on outdoor heat exchanger 1；The temperature sensor 39 is installed in ice water tank 4.
In fresh milk production process, the fresh milk temperature without cooling is at 36 DEG C or so.It is using active refrigeration unit that it is warm
Degree is down to 2-4 DEG C, in case storage and transportation.The passive refrigeration energy saver of the utility model be by the use of naturally relatively low temperature as low-temperature receiver,
The technical process to cool down for fresh milk is completed instead of the larger active refrigeration compressor set of power consumption.
As shown in Figure 1, when outdoor temperature sensors 28 perceive natural temperature and meet production needs；Ice water box temperature simultaneously
The sense temperature raising of sensor 39 is spent, that is, when needing refrigeration cool-down, electric automatic control electrically operated valve F1 is opened, and is closed simultaneously
Electrically operated valve F2 is closed, the ice water of higher temperature is made to flow through outdoor heat exchanger under the action of refrigeration cycle pump.
When the ice water cooled down under the conditions of natural low temperature flows through temperature sensor 1, electrical control gear is according to setting
Temperature value at this compares through processing, automatically controls the pressure fan operation quantity of outdoor heat exchanger, to control heat exchange amount, and
The constant ice water temperature value for flowing through temperature sensor 1, i.e. passive refrigeration export ice water temperature.
The ice water of passive refrigeration output is after active refrigeration compressor set, into ice water tank.When active refrigeration compressor set
Temperature sensor perceive enter ice water disclosure satisfy that production need temperature when, active refrigeration compressor set will not start.
Above-mentioned operational process is realized using natural cooling source, is cooled down instead of active refrigeration compressor set for ice water, to meet
Production requirement；The power consumption of active refrigeration compressor set is reduced, reaches energy-efficient purpose.And when passive refrigeration amount deficiency,
Active refrigeration compressor set would automatically turn on, and do the supplement of refrigerating capacity.
Wherein, the electrical control gear involved in the passive refrigeration energy saver, for receive temperature sensor 1,
The temperature information of temperature sensor 28 and temperature sensor 39 carries out information processing, and to electric gate valve F1 and electric gate valve
The components such as F2, outdoor heat exchanger carry out electrical control (startup of control electric component), and the electrical control gear is existing skill
General electrical automatic control equipment in the medium-and-large-sized freezer of art or refrigeration mechanism.
The specific setting of electrical control gear in the present embodiment is as follows：
1st, the type selecting of master instrument
Ice water tank ice water temperature control instrument uses Omron E5EC-800 types；
Outdoor temperature detection instrument uses Omron E5EC-800 types；
Return water temperature control instrument uses NA1557 type multi-machine parallel connection controllers.
2nd, the type selecting of sensor
Ice water tank temperature sensor uses PT100 types；Outdoor temperature sensors use PT100 types；Return water temperature sensor
Using CU50 types.
3rd, the course of work
Only there are two operating status, i.e., active refrigeration operational state and passive refrigeration operating statuses for electrical control gear；When
When outdoor climate temperature meets refrigeration demand, and ice water tank temperature be higher than setting value when, i.e., this system enter passive refrigeration operation
State；When outdoor climate temperature cannot meet refrigeration demand or when ice water tank temperature is less than setting value, this system is i.e. in having
Source refrigeration operational state.
1 electrical control operating status truth table of table
Wherein, the setting state of active refrigeration and passive refrigeration is
Passive refrigeration state：
△ 2 (PV actual values) ＜ △ 2 (SV setting values)
△ 3 (PV actual values) ＞ △ 3 (SV setting values)
Active refrigerating state：
When：
△ 2 (PV actual values) ＜ △ 2 (SV setting values)
△ 3 (PV actual values) ＜ △ 3 (SV setting values)
When：
△ 2 (PV actual values) ＞ △ 2 (SV setting values)
△ 3 (PV actual values) ＞ △ 3 (SV setting values)
When：
△ 2 (PV actual values) ＞ △ 2 (SV setting values)
△ 3 (PV actual values) ＜ △ 3 (SV setting values)
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, without departing from the spirit and scope of the utility model, can do various changes and modification, therefore
The scope of protection of the utility model should be subject to what claims were defined.
Claims (6)
1. a kind of passive refrigeration energy saver, which is characterized in that described device includes outdoor heat exchanger (1), active refrigerant compression
Unit (2), active refrigeration compressor set radiator (3), ice water tank (4), fresh milk heat exchanger (5) and low temperature fresh milk storage silo
(6)；The ice water outlet of the outdoor heat exchanger (1) is connected with the ice water entrance of active refrigeration compressor set (2) by pipeline；Institute
The port of export for stating active refrigeration compressor set (2) is connected with the ice water arrival end of ice water tank (4) by pipeline；The ice water tank
(4) ice water circulation outlet is connected with the arrival end of outdoor heat exchanger (1) by pipeline, and in the ice water of the ice water tank (4)
On pipeline between loop exit and the arrival end of outdoor heat exchanger (1) (12) are pumped equipped with refrigeration cycle；The ice water tank (4)
It is connected between ice water delivery outlet and the ice water entrance of fresh milk heat exchanger (5) by pipeline；The ice water output of the ice water tank (4)
Ice water rear pump (13) is housed on the pipeline between mouth and the ice water entrance of fresh milk heat exchanger (5)；The fresh milk heat exchanger
(5) heat exchange delivery outlet is connected with the heat exchange input port of ice water tank (4) by pipeline；The fresh milk heat exchanger (5)
Fresh milk delivery outlet carries out pipeline with low temperature fresh milk storage silo (6) by fresh milk delivery pump (14) and connect；The fresh milk heat exchanger
(5) it is connected between fresh milk entrance and fresh milk feed end by fresh milk delivery pump (15) pipeline；The active refrigeration compressor set
(2) active refrigeration unit fan-cooled radiator (3) is installed on.
2. device according to claim 1, which is characterized in that the arrival end of the outdoor heat exchanger (1) is pumped with refrigeration cycle
(12) electrically operated valve F1 (10) is installed on the pipeline between.
3. device according to claim 2, which is characterized in that between the electrically operated valve F1 (10) and refrigeration cycle pump (12)
Pipeline and outdoor heat exchanger (1) ice water outlet the ice water entrance of active refrigeration compressor set (2) between pipeline pass through
Connection lateral is connected.
4. device according to claim 3, which is characterized in that electrically operated valve F2 (11) is equipped on the lateral.
5. device according to claim 1, which is characterized in that described device further includes temperature sensor one (7), temperature sensing
Device two (8) and temperature sensor three (9)；The temperature sensor one (7) is mounted on the ice water outlet conduit of outdoor heat exchanger (1)
On；The temperature sensor two (8) is installed at the installation environment of outdoor heat exchanger (1)；Temperature sensor three (9) installation
In ice water tank (4).
6. passive refrigeration energy saver according to claim 1, which is characterized in that the outdoor heat exchanger (1) is using passive
Refrigeration unit fan-cooled radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217685.4U CN207590009U (en) | 2017-03-08 | 2017-03-08 | A kind of passive refrigeration energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217685.4U CN207590009U (en) | 2017-03-08 | 2017-03-08 | A kind of passive refrigeration energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207590009U true CN207590009U (en) | 2018-07-10 |
Family
ID=62752219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720217685.4U Active CN207590009U (en) | 2017-03-08 | 2017-03-08 | A kind of passive refrigeration energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207590009U (en) |
-
2017
- 2017-03-08 CN CN201720217685.4U patent/CN207590009U/en active Active
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