CN216790396U - Air conditioner integrated system with multiple temperature working conditions for food processing - Google Patents
Air conditioner integrated system with multiple temperature working conditions for food processing Download PDFInfo
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- CN216790396U CN216790396U CN202122531581.XU CN202122531581U CN216790396U CN 216790396 U CN216790396 U CN 216790396U CN 202122531581 U CN202122531581 U CN 202122531581U CN 216790396 U CN216790396 U CN 216790396U
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Abstract
The utility model provides an air-conditioning integrated system with multiple temperature working conditions for food processing, which is characterized by comprising the following components: the system comprises a water chilling unit, a first heat exchange device, a second heat exchange device, a cold storage air cooler for refrigerating a cold storage, a workshop air conditioning box for refrigerating a workshop, an ice water storage tank and an ice water conveying pipeline for providing unfrozen and/or clean ice water for frozen food; an outlet of a target medium of the water chilling unit is respectively connected to an inlet of a first side of the first heat exchange device, an inlet of a first side of the second heat exchange device and an inlet of the cold storage air cooler, and an inlet of the target medium of the water chilling unit is respectively connected to an outlet of the first side of the first heat exchange device, an outlet of a second side of the second heat exchange device and an outlet of the cold storage air cooler; the target medium is a propylene glycol cold-carrying liquid at a first temperature.
Description
Technical Field
The utility model relates to the field of food processing, in particular to an air-conditioning integrated system with multiple temperature working conditions for food processing.
Background
In the field of food processing, an air conditioning system can be used for refrigerating a workshop, and for example, the indoor temperature of the workshop can be controlled to be about 10 ℃ by the air conditioning system so as to meet the temperature requirement during food processing. For this purpose, the water chiller can provide a corresponding target medium to provide a heat sink.
However, in the field of food processing, for some foods (for example, meat, vegetables, etc.) to be frozen, in addition to controlling the indoor temperature, the working conditions of food cleaning and thawing, food freezing and refrigerating, etc. need to be realized during the food processing, and in the related art, a cold source needs to be separately configured for the working conditions of cleaning, thawing, freezing and refrigerating, etc., which causes the complexity of the whole system and is inconvenient for construction. Changing the angle, for air conditioning system, current air conditioning system can't compromise the demand that satisfies a plurality of operating modes, fails to fully satisfy food processing's various demands.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air-conditioning integrated system with multiple temperature working conditions for food processing, which aims to solve the problem that the various requirements of food processing cannot be fully met.
According to a first aspect of the present invention, there is provided an integrated air conditioning system with multiple temperature conditions for food processing, comprising: the system comprises a water chilling unit, a first heat exchange device, a second heat exchange device, a cold storage air cooler for refrigerating a cold storage, a workshop air conditioning box for refrigerating a workshop, an ice water storage tank and an ice water conveying pipeline for providing unfrozen and/or clean ice water for frozen food;
an outlet of a target medium of the water chilling unit is respectively connected to an inlet of a first side of the first heat exchange device, an inlet of a first side of the second heat exchange device and an inlet of the cold storage air cooler, and an inlet of the target medium of the water chilling unit is respectively connected to an outlet of the first side of the first heat exchange device, an outlet of a second side of the second heat exchange device and an outlet of the cold storage air cooler; the target medium is propylene glycol cold-carrying liquid at a first temperature, and the first temperature is lower than 0 ℃;
an outlet on a second side of the first heat exchange device is connected to an inlet of the ice water storage tank, an inlet on the second side of the first heat exchange device is connected to a first outlet of the ice water storage tank, and the first heat exchange device is configured to enable the target medium to perform heat exchange with water of the ice water storage tank so as to cool the water of the ice water storage tank to a second temperature; a second outlet of the ice water storage tank is connected with the ice water conveying pipeline; unfreezing and/or cleaning ice water provided by the ice water conveying pipeline is sourced from the ice water storage tank;
an inlet and an outlet of a second side of the second heat exchange device are respectively connected to the workshop air conditioning box, and the second heat exchange device is configured to enable the target medium to exchange heat with air conditioning circulating water of the workshop air conditioning box so as to cool the air conditioning circulating water to a third temperature;
wherein the first temperature is lower than the third temperature and the second temperature.
Optionally, the first temperature is-5 ℃, the second temperature is 7 ℃, and the third temperature is 2 ℃.
Optionally, a first circulating pump is arranged at an inlet of a target medium of the water chilling unit, so that the target medium is driven by the first circulating pump to be sent out from an outlet of the target medium of the water chilling unit, and then respectively flows through the first heat exchange device, the second heat exchange device and the cold storage air cooler and then flows back to the inlet of the target medium of the water chilling unit.
Optionally, a pressure difference balancing valve is arranged between an inlet and an outlet of the target medium of the water chilling unit.
Optionally, a second circulation pump is arranged between the inlet on the second side of the first heat exchange device and the first outlet of the ice water storage tank.
Optionally, a third circulating pump is arranged between an inlet on the second side of the second heat exchange device and the workshop air conditioning box.
Optionally, the ice water conveying pipeline is provided with a variable frequency booster pump for conveying ice water.
Optionally, the integrated air conditioning system with multiple temperature conditions for food processing further includes: the water chiller comprises a hot water storage tank and a hot water conveying pipeline, wherein the water chiller is a water chiller containing a heat recoverer;
an inlet of the hot water storage tank is connected to an outlet of the heat recoverer, a first outlet of the hot water storage tank is connected to an inlet of the heat recoverer, a second outlet of the hot water storage tank is connected to the hot water conveying pipeline, the heat recoverer is configured to be capable of heating water of the hot water storage tank to a fourth temperature, and the fourth temperature is in an interval range of 40-80 ℃.
Optionally, a fourth circulation pump is arranged between the first outlet of the hot water storage tank and the inlet of the heat recoverer.
Optionally, a variable-frequency booster pump for conveying hot water is arranged between the second outlet of the hot water storage tank and the hot water conveying pipeline.
In the air-conditioning integrated system with multiple temperature working conditions for food processing, the low-temperature target medium provided by the water chilling unit can meet the refrigerating requirement of the air-conditioning box on a workshop through the second heat exchange device, and can also: satisfy the unfreezing and/or the clean water demand of freezing food through first heat transfer device, satisfy the freezing demand of freezing food through the freezer air-cooler, pass through. Furthermore, aiming at the special requirements of frozen food, the utility model can meet the requirements of a plurality of working conditions through the water chiller, and can also have the positive effects of convenient construction and use and high integration level.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an integrated multi-temperature-condition air conditioning system for food processing according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an air conditioning system with multiple temperature conditions for food processing according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a water cooling unit according to an embodiment of the utility model.
Description of reference numerals:
1-a water chilling unit;
101-a condenser;
102-a compressor;
103-an evaporator;
104-a heat recovery unit;
2-a first heat exchange device;
3-a second heat exchange device;
4-cold storage air cooler;
5-an ice water storage tank;
6-ice water conveying pipeline;
7-workshop air-conditioning box;
8-hot water storage tank;
9-a first circulation pump;
10-a second circulation pump;
11-a third circulation pump;
12-variable frequency booster pump;
13-a fourth circulation pump;
14-variable frequency booster pump;
15-differential pressure balancing valves;
16-a stop valve;
17-an electrically operated valve;
18-a water replenishing device;
19-expansion tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "upper surface", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, "a plurality" means a plurality, e.g., two, three, four, etc., unless specifically limited otherwise.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Referring to fig. 1, an integrated air conditioning system with multiple temperature conditions for food processing includes: the system comprises a water chilling unit 1, a first heat exchange device 2, a second heat exchange device 3, a cold storage air cooler 4 for refrigerating a cold storage, a workshop air conditioning box 7 for refrigerating a workshop, an ice water storage tank 5 and an ice water conveying pipeline 6 for providing unfreezing and/or cleaning ice water for frozen food.
The outlet of the target medium of the water chilling unit 1 is respectively connected to the inlet of the first side of the first heat exchange device 2, the inlet of the first side of the second heat exchange device 3 and the inlet of the cold storage air cooler 4, the inlet of the target medium of the water chilling unit 1 is respectively connected with the outlet of the first side of the first heat exchange device 2, the outlet of the second side of the second heat exchange device 3 and the outlet of the cold storage air cooler 4.
Through the connection relation, the target medium can respectively flow through the first side of the first heat exchange device, the first side of the second heat exchange device and the cold storage air cooler, so that cold energy is provided for the cold storage air cooler through heat exchange.
The target medium is propylene glycol cold-carrying liquid at a first temperature, and the first temperature is lower than 0 ℃; specifically, the first temperature may be-5 ℃, and further, the chiller 1 is a low temperature chiller that can provide a-5 ℃ low temperature propylene glycol cold carrier liquid (i.e., the target medium). In other examples, the first temperature may not be limited to-5 ℃. The target medium needs to provide cold energy for ice water, a cold storage air cooler and the like, and the required temperature is close to 0 ℃ (7 ℃ and 0-4 ℃), so the target medium adopts propylene glycol cold-carrying liquid with the freezing temperature lower than 0 ℃.
The cold storage air cooler 4 is understood to be a machine or a combination of machines capable of supplying cold air at a relatively low temperature or supplying air at a relatively low temperature, and may be, for example, an indoor evaporator. The number of the cold storage air coolers 4 can be one or more.
In one embodiment, referring to fig. 2, a first circulation pump 9 is disposed at an inlet of a target medium of the water chilling unit 1, so that the target medium is driven by the first circulation pump 9 to be sent out from an outlet of the target medium of the water chilling unit, and then flows through the first heat exchange device, the second heat exchange device, and the cold storage air cooler, and then flows back to the inlet of the target medium of the water chilling unit.
Furthermore, in a specific example, the low-temperature water chilling unit (i.e., the water chilling unit 1) provides-5 ℃ low-temperature propylene glycol cold-carrying liquid, the low-temperature propylene glycol cold-carrying liquid is conveyed to a cold storage air cooler in a cold storage through a pipeline by the first circulating pump 9, and the cold storage air cooler (such as an indoor evaporator) is cooled to control the temperature of the cold storage to be 0-4 ℃, so that the low-temperature propylene glycol cold-carrying liquid is used for keeping the raw materials of food and processed products fresh.
In the embodiment of the present invention, the outlet of the second side of the first heat exchanging device 2 is connected to the inlet of the ice water storage tank 5, the inlet of the second side of the first heat exchanging device 2 is connected to the first outlet of the ice water storage tank 5, and the first heat exchanging device 2 is configured to enable the target medium to perform heat exchange with the water of the ice water storage tank so as to cool the water of the ice water storage tank to the second temperature;
a second outlet of the ice water storage tank 5 is connected with the ice water conveying pipeline 6; the unfreezing and/or cleaning ice water provided by the ice water conveying pipeline 6 is sourced from the ice water storage tank 5;
the second temperature is higher than the first temperature, for example, the second temperature may be 7 ℃, or may not be limited to 7 ℃, and the temperature may be changed arbitrarily according to the type of frozen food to be thawed and cleaned without departing from the scope of the embodiments of the present invention.
The first heat exchange device may be any device or set of devices capable of achieving heat exchange between media, and in one example, the first heat exchange device may be a plate heat exchanger; further, the first side of the first heat exchange means may be understood as its low temperature side and the second side of the first heat exchange means may be understood as its high temperature side.
In one embodiment, referring to fig. 2, a second circulation pump 10 is disposed between an inlet of the second side of the first heat exchanger 2 and the first outlet of the ice water storage tank 5. And the circulating drive of ice water between the first heat exchange device 2 and the ice water storage tank 5 can be realized through the second circulating pump.
In one embodiment, please refer to fig. 2, the ice water conveying pipeline 6 is provided with a variable frequency booster pump 12 for conveying ice water. The conveying driving of the ice water can be realized through the variable-frequency booster pump 12.
In a specific example, the water chilling unit 1 can provide a low-temperature propylene glycol cold-carrying liquid at-5 ℃ to the first heat exchange device 2 adopting a plate heat exchanger, the normal-temperature water is cooled to 7 ℃, and processing ice water is provided for a food processing workshop through the variable-frequency booster pump 12 and is used for unfreezing and cleaning frozen food.
In the embodiment of the present invention, an inlet and an outlet of a second side of the second heat exchanging device 3 are respectively connected to the workshop air-conditioning box 7, and the second heat exchanging device 3 is configured to enable the target medium to perform heat exchange with the air-conditioning circulating water of the workshop air-conditioning box 7, so as to cool the air-conditioning circulating water to a third temperature;
in some examples, the first temperature is lower than the third temperature, and the third temperature may also be lower than the second temperature, while embodiments in which the third temperature is higher than the second temperature are not excluded. For example, the third temperature may be 2 ℃, and the temperature required in the plant may be arbitrarily changed according to the food.
The air conditioning box 7 in the workshop can be understood as box equipment which can provide cold energy for the workshop so as to refrigerate, specifically can be a low-temperature combined air conditioning box surface cooler (evaporator) which can circulate air conditioning circulating water, and further, a second heat exchange device can perform heat exchange and temperature reduction on the air conditioning box.
The second heat exchange device 3 may be any device or set of devices capable of achieving heat exchange between media, and in one example, the second heat exchange device may be a plate heat exchanger; further, the first side of the second heat exchange means may be understood as its low temperature side and the second side of the second heat exchange means may be understood as its high temperature side.
In one embodiment, referring to fig. 2, a third circulation pump 11 is disposed between an inlet of the second side of the second heat exchanging device 3 and the air conditioning box 7 of the workshop. And the circulating driving of the circulating water of the air conditioner can be realized through the third circulating pump.
In a specific example, a low-temperature water chilling unit (i.e., the water chilling unit 1) provides-5 ℃ low-temperature propylene glycol liquid to the low-temperature side of the plate-type second heat exchange device 3, the temperature of air-conditioning circulating water on the high-temperature side of the plate-type second heat exchange device 3 is reduced to 2 ℃, the air-conditioning circulating water is conveyed to a surface cooler (evaporator) of a low-temperature combined air-conditioning box through a third circulating pump 11, and the temperature of a processing workshop can be controlled to be 10 ℃ through a fan and air pipes for air supply.
It is thus clear that in each above scheme, based on the microthermal target medium that cooling water set provided, both can satisfy the refrigeration demand of air-conditioning box to the workshop through second heat transfer device, can also: satisfy the unfreezing and/or the clean water demand of freezing food through first heat transfer device, satisfy the freezing demand of freezing food through the freezer air-cooler, pass through. Furthermore, aiming at the special requirements of frozen food, the utility model can meet the requirements of a plurality of working conditions through the water chiller, and can also have the positive effects of convenient construction and use and high integration level.
In one embodiment, the water chilling unit 1 is a water chilling unit with a heat recovery device; taking fig. 3 as an example, the water chilling unit 1 may include an evaporator 103, a compressor 102, a condenser 101, and a heat recovery unit 104, wherein the compressor 102, the evaporator 103, and the condenser are connected in sequence to form a circulation in the unit, an outlet and an inlet of a target medium may be connected to the evaporator 103 through a pipeline, the temperature of the propylene glycol aqueous solution may be reduced to-5 ℃ by heat exchange of the evaporator 103 inside the unit, and the heat recovery unit 104 may be configured to be capable of exchanging heat with the compressor 102 to recover waste heat generated by the compressor of the unit.
Referring to fig. 2, the integrated air conditioning system with multiple temperature conditions for food processing further includes: a hot water storage tank 8 and a hot water delivery pipe;
an inlet of the hot water storage tank 8 is connected to an outlet of the heat recoverer, a first outlet of the hot water storage tank 8 is connected to an inlet of the heat recoverer, a second outlet of the hot water storage tank 8 is connected to the hot water conveying pipeline, the heat recoverer is configured to be capable of heating water of the hot water storage tank to a fourth temperature, and the fourth temperature is in an interval range of 40 ℃ to 80 ℃.
In one embodiment, referring to fig. 2, a fourth circulation pump 13 is disposed between the first outlet of the hot water storage tank and the inlet of the heat recovery device. The hot water conveying pipeline is provided with a variable-frequency booster pump 14 for conveying hot water.
In a specific example, normal temperature purified water is recovered through unit heat, waste heat generated by a unit compressor is recovered through a heat recoverer, normal temperature water is heated to 60 ℃ through circulation of a fourth circulating pump 13 and is stored in a hot water storage tank, and when hot water is needed, hot water is provided for a workshop by using a variable frequency booster pump 14 and is used for cleaning workshop processing appliances and using water for life of people in winter.
In the scheme, the heating and the delivery of hot water are realized, and the requirements of cleaning of processing appliances and domestic water are met.
In the scheme shown in fig. 2, different temperature zones are prevented from adopting different devices, the occupied area of a machine room and project investment are reduced, and an integrated system is convenient to manage. In addition, the purposes of convenient installation and construction and convenient use are also achieved.
In addition, in the scheme shown in fig. 2, stop valves 16 may also be respectively provided between the hot water storage tank 8 and the water chilling unit 1, and between the hot water storage tank 8 and the hot water delivery pipe;
in the solution shown in fig. 2, a stop valve 16 may also be provided between the cold storage air cooler 4 and the water chiller 1;
in the scheme shown in fig. 2, stop valves 16 may be arranged between the first side of the first heat exchange device 2 and the water chilling unit 1, between the first side of the second heat exchange device 3 and the water chilling unit 1, between the second side of the first heat exchange device 2 and the ice water storage tank 5, between the second side of the second heat exchange device 3 and the workshop air conditioning box 7, and between cold water conveying pipelines; electrically operated valves 17 can be arranged between the first side of the first heat exchange device 2 and the water chilling unit 1 and between the first side of the second heat exchange device 3 and the water chilling unit 1.
In the scheme shown in fig. 2, the integrated air conditioning system with multiple temperature conditions for food processing further includes: and a water replenishing device 18 which can be connected to an inlet of the target medium of the water chilling unit 1 through the first circulation pump 9, and further, the propylene glycol cold carrier liquid (i.e., the target medium) can be replenished through the water replenishing device 18.
In the scheme shown in fig. 2, the integrated air conditioning system with multiple temperature conditions for food processing further includes: and an expansion water tank 19 which can be connected to an inlet on the second side of the second heat exchange device 3 through a third circulating pump 11, wherein the expansion water tank 19 can be arranged at the highest point of the system.
In the solution shown in fig. 2, a pressure difference balancing valve 15 is provided between the inlet and the outlet of the target medium of the water chilling unit. Further, the differential pressure balance between the target media can be secured by the differential pressure balance valve 15.
One specific example of the present invention is as follows:
the method comprises the steps of connecting an evaporator of a water chilling unit 1 through a galvanized water pipe, conveying a propylene glycol water solution to the evaporator of the low-temperature water chilling unit 1 through a first circulating pump 9, and cooling the temperature of the propylene glycol water solution to-5 ℃ through heat exchange of the evaporator in the unit.
A galvanized water pipe is used for connecting the water chilling unit with an indoor evaporator (namely a cold storage air cooler, such as a ceiling type air cooler), a propylene glycol aqueous solution with the temperature of-5 ℃ can be conveyed to the indoor evaporator (namely the cold storage air cooler, such as the ceiling type air cooler) through a first circulating pump 9, the cold air with the temperature of-5 ℃ is exchanged into the cold storage through a fan, the temperature of the cold storage is ensured to be 0-4 ℃, and the cold storage is used for raw material processing and fresh keeping of a processed product;
a galvanized water pipe is used for connecting the low-temperature water chilling unit with the low-temperature side of a first heat exchange device 2, a 25% propylene glycol water solution with the temperature of-5 ℃ is conveyed to a module (such as a cold water storage tank 5 and a cold water conveying pipeline 6) for water outlet with the temperature of 7 ℃ through a water pipe through a second circulating pump 10, enters the low-temperature side of the first heat exchange device 2, returns to the evaporator of the low-temperature water chilling unit for continuous circulation after heat exchange, wherein a food-grade stainless steel pipe (316 material) is used for connecting an ice water heat-preservation water tank with the high-temperature side of the first heat exchange device 2, normal-temperature water passes through the water pipe through the second circulating pump 10 and enters the high-temperature side of the first heat exchange device 2, the low-temperature side and the high-temperature side of the first heat exchange device 2 are subjected to heat exchange, the normal-temperature water is cooled to 7 ℃, returns to a food-grade stainless steel (316 stainless steel material) heat-preservation water tank (namely the ice water storage tank 5) through the water pipe, and the heat-preservation water tank is connected with a water using the food-grade stainless steel pipe, providing ice water for processing to a water consumption point for unfreezing and cleaning frozen food to a food processing workshop through a food-grade stainless steel pipe (316 material) by a variable-frequency booster pump 16;
a galvanized water pipe is used for connecting the low-temperature water chilling unit with the low-temperature side of the second heat exchange device 3, a 25% propylene glycol water solution with the temperature of-5 ℃ is conveyed to the low-temperature side of the second heat exchange device 3 through a first circulating pump 9 through the water pipe and enters the low-temperature side of the second heat exchange device 3, the propylene glycol water solution returns to the evaporator of the low-temperature water chilling unit for continuous circulation after heat exchange, a galvanized water pipe is used for connecting a third circulating pump 11 and the second heat exchange device 3 with the evaporator of an air conditioning box, normal-temperature water passes through a third circulating pump 11 through the water pipe and enters the high-temperature side of the second heat exchange device 3, the low-temperature side and the high-temperature side of the second heat exchange device 3 exchange heat to reduce the normal-temperature water to 2 ℃, the air conditioner box evaporator is fed by the water pipe, the cold air of the evaporator is exchanged by the centrifugal fan in the air conditioner box, the air is conveyed to a workshop by the copper pipe fabric air pipe to be cooled, and the temperature of the workshop can be controlled at 10 ℃.
The fourth circulating pump 13 is connected with the water chilling unit 1 and the hot water storage tank 8 by food-grade stainless steel pipes (316 materials), the normal-temperature purified water passes through a heat recoverer in the unit to recover waste heat generated by a compressor of the unit, the normal-temperature water is circulated and heated to 60 ℃ by the fourth circulating pump 13 and is stored in the hot water storage tank 8, the variable-frequency booster pump 14 and the hot water storage tank 8 are connected with hot water points for workshops by the food-grade stainless steel pipes (316 materials), the hot water storage tank 8 and the variable-frequency booster pump 14 are connected with water points, and the variable-frequency booster pump 14 is used for conveying the hot water to the hot water points for the workshops through the stainless steel pipes and is used for cleaning workshop processing appliances and using life water for winter personnel.
In the description herein, reference to the terms "an implementation," "an embodiment," "a specific implementation," "an example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an air conditioner integrated system of multiple temperature operating mode for food processing which characterized in that includes: the system comprises a water chilling unit, a first heat exchange device, a second heat exchange device, a cold storage air cooler for refrigerating a cold storage, a workshop air conditioning box for refrigerating a workshop, an ice water storage tank and an ice water conveying pipeline for providing unfrozen and/or clean ice water for frozen food;
an outlet of a target medium of the water chilling unit is respectively connected to an inlet of a first side of the first heat exchange device, an inlet of a first side of the second heat exchange device and an inlet of the cold storage air cooler, and an inlet of the target medium of the water chilling unit is respectively connected to an outlet of the first side of the first heat exchange device, an outlet of a second side of the second heat exchange device and an outlet of the cold storage air cooler; the target medium is propylene glycol cold-carrying liquid at a first temperature, and the first temperature is lower than 0 ℃;
an outlet on a second side of the first heat exchange device is connected to an inlet of the ice water storage tank, an inlet on the second side of the first heat exchange device is connected to a first outlet of the ice water storage tank, and the first heat exchange device is configured to enable the target medium to perform heat exchange with water of the ice water storage tank so as to cool the water of the ice water storage tank to a second temperature; a second outlet of the ice water storage tank is connected with the ice water conveying pipeline; unfreezing and/or cleaning ice water provided by the ice water conveying pipeline is sourced from the ice water storage tank;
an inlet and an outlet of a second side of the second heat exchange device are respectively connected to the workshop air conditioning box, and the second heat exchange device is configured to enable the target medium to exchange heat with air conditioning circulating water of the workshop air conditioning box so as to cool the air conditioning circulating water to a third temperature;
wherein the first temperature is lower than the third temperature and the second temperature.
2. The integrated multi-temperature-condition air conditioning system for food processing according to claim 1, wherein the first temperature is-5 ℃, the second temperature is 7 ℃, and the third temperature is 2 ℃.
3. The integrated system of the air conditioner with the multiple temperature working conditions for food processing according to claim 1, wherein a first circulating pump is arranged at an inlet of a target medium of the water chilling unit, so that the target medium is driven by the first circulating pump to be sent out from an outlet of the target medium of the water chilling unit, and then flows through the first heat exchange device, the second heat exchange device and the cold storage air cooler respectively and then flows back to the inlet of the target medium of the water chilling unit.
4. The integrated system of air conditioner with multiple temperature working conditions for food processing as claimed in claim 1, wherein a pressure difference balance valve is arranged between an inlet and an outlet of a target medium of the water chilling unit.
5. The integrated multi-temperature-condition air conditioning system for food processing as claimed in any one of claims 1 to 4, wherein a second circulating pump is provided between an inlet of the second side of the first heat exchanging device and the first outlet of the ice water storage tank.
6. The integrated multi-temperature-working-condition air conditioning system for food processing according to any one of claims 1 to 4, wherein a third circulating pump is arranged between an inlet on the second side of the second heat exchange device and the workshop air conditioning box.
7. The integrated air conditioning system under multiple temperature working conditions for food processing according to any one of claims 1 to 4, wherein the ice water conveying pipeline is provided with an ice water conveying variable frequency booster pump.
8. The integrated multi-temperature-condition air conditioning system for food processing according to any one of claims 1 to 4, further comprising: the water chiller comprises a hot water storage tank and a hot water conveying pipeline, wherein the water chiller is a water chiller containing a heat recoverer;
an inlet of the hot water storage tank is connected to an outlet of the heat recoverer, a first outlet of the hot water storage tank is connected to an inlet of the heat recoverer, a second outlet of the hot water storage tank is connected to the hot water conveying pipeline, the heat recoverer is configured to be capable of heating water of the hot water storage tank to a fourth temperature, and the fourth temperature is in an interval range of 40-80 ℃.
9. The integrated multi-temperature-condition air conditioning system for food processing according to claim 8, wherein a fourth circulating pump is disposed between the first outlet of the hot water storage tank and the inlet of the heat recovery device.
10. The integrated multi-temperature-condition air conditioning system for food processing as claimed in claim 8, wherein the hot water delivery pipeline is provided with a variable-frequency booster pump for hot water delivery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122531581.XU CN216790396U (en) | 2021-10-20 | 2021-10-20 | Air conditioner integrated system with multiple temperature working conditions for food processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122531581.XU CN216790396U (en) | 2021-10-20 | 2021-10-20 | Air conditioner integrated system with multiple temperature working conditions for food processing |
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| Publication Number | Publication Date |
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| CN216790396U true CN216790396U (en) | 2022-06-21 |
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| CN202122531581.XU Active CN216790396U (en) | 2021-10-20 | 2021-10-20 | Air conditioner integrated system with multiple temperature working conditions for food processing |
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