CN219083429U - Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit - Google Patents
Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit Download PDFInfo
- Publication number
- CN219083429U CN219083429U CN202320143071.1U CN202320143071U CN219083429U CN 219083429 U CN219083429 U CN 219083429U CN 202320143071 U CN202320143071 U CN 202320143071U CN 219083429 U CN219083429 U CN 219083429U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- compressor
- electromagnetic valve
- outlet end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides an explosion-proof refrigerating device and an explosion-proof tank refrigerating unit, wherein the explosion-proof refrigerating device comprises an explosion-proof compressor, an explosion-proof low-voltage switch connected with the inlet end of the explosion-proof compressor, an explosion-proof high-voltage switch connected with the outlet end of the explosion-proof compressor, a condenser connected with the outlet end of the explosion-proof compressor, a liquid accumulator connected with the outlet end of the condenser, a heat regenerator and a plate heat exchanger, the heat regenerator is provided with two inlet ends and two outlet ends, the two inlet ends of the heat regenerator are respectively connected with the outlet end of the heat accumulator and the outlet end of the plate heat exchanger, and the two inlet ends of the heat regenerator are respectively connected with the plate heat exchanger and the inlet end of the explosion-proof compressor. The explosion-proof refrigerating device and the explosion-proof tank refrigerating unit can meet the requirement of cooling the goods according to the actual temperature of the goods and the actual temperature of the cold carrying, so that the whole refrigeration is more energy-saving and efficient, and the control is reasonable.
Description
Technical Field
The utility model relates to an explosion-proof refrigerating device and an explosion-proof tank refrigerating unit.
Background
The existing tank container matched refrigerating unit cannot be used in an explosion-proof place, electric sparks can be generated by electric elements and control boxes of the unit part, and the common tank container refrigerating unit cannot be used in the explosion-proof place.
The existing chemical tank, in particular the electrolyte tank, needs to be provided with a refrigerating unit because the electrolyte belongs to a mixed solution containing lithium salt and needs to be maintained at a temperature lower than 20 ℃ for long-distance transportation and storage. The lithium ion electrolyte is inflammable, so that the equipped refrigerating unit is required to have an explosion-proof function.
In view of this, there is a need for improvements to existing refrigeration systems to address the above-described problems.
Disclosure of Invention
The utility model aims to provide an explosion-proof refrigerating device, which solves the problem that the existing device does not have an explosion-proof function.
In order to achieve the above purpose, the utility model provides an explosion-proof refrigerating device, which comprises an explosion-proof compressor, an explosion-proof low-voltage switch connected with the inlet end of the explosion-proof compressor, an explosion-proof high-voltage switch connected with the outlet end of the explosion-proof compressor, a condenser connected with the outlet end of the explosion-proof compressor, a liquid storage device connected with the outlet end of the condenser, a heat regenerator and a plate heat exchanger, wherein the heat regenerator is provided with two inlet ends and two outlet ends, the two inlet ends of the heat regenerator are respectively connected with the outlet end of the heat storage device and the outlet end of the plate heat exchanger, and the two inlet ends of the heat regenerator are respectively connected with the plate heat exchanger and the inlet end of the explosion-proof compressor.
As a further improvement of the present utility model, the explosion-proof refrigeration apparatus further includes a liquid spray valve connected between the compressor and the liquid reservoir.
As a further improvement of the utility model, the junction box of the explosion-proof compressor is integrally cast, and a temperature protection switch is arranged in the explosion-proof compressor in series.
As a further improvement of the utility model, the anti-explosion refrigerating device also comprises a cold-carrying circulation system connected with the plate heat exchanger, wherein the cold-carrying circulation system comprises an anti-explosion flow switch, an anti-explosion circulation pump and a temperature sensor which are sequentially connected.
As a further improvement of the utility model, the explosion-proof circulating pump is of a spark-free type.
As a further improvement of the utility model, the explosion-proof high-voltage switch, the explosion-proof low-voltage switch and the explosion-proof flow switch are respectively integrated with the matched pouring envelope in a pouring way.
As a further improvement of the utility model, the explosion-proof refrigeration device further comprises an expansion valve and an explosion-proof electromagnetic valve connected between the outlet end of the plate heat exchanger and the regenerator.
As a further improvement of the utility model, the explosion-proof electromagnetic valve comprises an electromagnetic valve coil, an explosion-proof electromagnetic valve shell and a valve body, wherein the electromagnetic valve coil is sealed in the explosion-proof electromagnetic valve shell through epoxy resin in a pouring mode, the explosion-proof electromagnetic valve shell is arranged on the valve body, the electromagnetic valve coil is singly sealed to form a sealing box, and an insulating sheath is arranged at a lead-out cable of the explosion-proof electromagnetic valve.
As a further improvement of the utility model, the explosion-proof refrigerating device also comprises an explosion-proof fan arranged adjacent to the condenser, and the explosion-proof fan is of a spark-free type.
The utility model provides an explosion-proof tank refrigerating unit, which comprises an explosion-proof control box body, an explosion-proof control box cover for opening and closing the explosion-proof control box body, a display module arranged in the explosion-proof control box body, explosion-proof glass arranged on the explosion-proof control box cover for exposing the display module, and an explosion-proof refrigerating device as described above, wherein the explosion-proof refrigerating device is arranged in the explosion-proof control box body.
The beneficial effects of the utility model are as follows: the explosion-proof refrigerating device and the explosion-proof tank box refrigerating unit are reasonable in design, and the explosion-proof control box body is arranged to conduct explosion-proof protection on circuit components of the explosion-proof refrigerating device, so that the explosion-proof refrigerating device can be suitable for an explosion-proof area, meets the use requirements, and is good in explosion-proof and safety effects. The cooling requirement of the goods can be met according to the actual temperature of the goods and the actual temperature of the cold carrying, so that the whole refrigeration is more energy-saving and efficient, and the control is reasonable.
Drawings
FIG. 1 is a schematic side cross-sectional view of an explosion proof tank refrigeration unit of the present utility model;
FIG. 2 is a schematic top cross-sectional view of the explosion proof tank refrigeration unit of the present utility model;
fig. 3 is a schematic structural view of an explosion-proof refrigerating apparatus of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 3, the explosion-proof tank refrigeration unit 100 of the present utility model includes an explosion-proof control tank 1, an explosion-proof control tank cover 2 for opening and closing the explosion-proof control tank 1, a display module 3 installed in the explosion-proof control tank 1, explosion-proof glass 4 installed on the explosion-proof control tank cover 2 for exposing the display module 3, an explosion-proof refrigeration device 5 provided in the explosion-proof control tank 1, a fixing bracket 6 provided on a side of the explosion-proof control tank 1 remote from the explosion-proof control tank cover 2, an explosion-proof button 7 and an explosion-proof indicator lamp 8 provided on a top of the explosion-proof control tank 1, an explosion-proof glan head 9 provided on a side surface of the explosion-proof control tank 1, and a safety barrier 10 provided in the explosion-proof control tank 1.
As shown in fig. 3, the explosion-proof refrigerating apparatus 5 includes an explosion-proof compressor 51, an explosion-proof low-pressure switch 52 connected to an inlet end of the explosion-proof compressor 51, an explosion-proof high-pressure switch 53 connected to an outlet end of the explosion-proof compressor 51, a condenser 54 connected to an outlet end of the explosion-proof compressor 51, a liquid reservoir 55 connected to an outlet end of the condenser 54, a liquid spray valve 58 connected between the explosion-proof compressor 51 and the liquid reservoir 55, a regenerator 59, a plate heat exchanger 57, a cold-carrying circulation system 56 connected to the plate heat exchanger 57, an expansion valve 60 and an explosion-proof solenoid valve 61 connected between an outlet end of the plate heat exchanger 57 and the regenerator 59, and an explosion-proof fan 62 provided adjacent to the condenser 54.
Other structures than the load cooling circulation system 56 constitute a refrigeration circulation system.
The junction box of the explosion-proof compressor 51 adopts integral casting treatment, a temperature protection switch is arranged in series in the explosion-proof compressor 51, and the temperature protection switch can not be reset.
The control method of the explosion-proof compressor 51 comprises the following steps:
high-pressure protection: the method comprises the steps that a pouring type explosion-proof high-voltage switch 53 is connected into an explosion-proof control box body 1, the explosion-proof high-voltage switch 53 is in a normally closed state, and when the pressure of an exhaust port of the explosion-proof compressor 51 is larger than a first set value, the explosion-proof high-voltage switch 53 is disconnected and controls the explosion-proof compressor 51 to stop; when the pressure of the exhaust port of the explosion-proof compressor 51 is smaller than a second set value, the alarm needs to be reset manually, and the system is restarted, wherein the first set value is higher than the second set value.
Low pressure protection: the method comprises the steps that a pouring type explosion-proof low-voltage switch 52 is connected into an explosion-proof control box body 1, the explosion-proof low-voltage switch 52 is in a normally closed state, and when the pressure of an air suction port of the explosion-proof compressor 51 is smaller than a third set value, the explosion-proof low-voltage switch 52 is disconnected and controls the explosion-proof compressor 51 to stop; when the pressure of the air suction port of the explosion-proof compressor 51 is larger than a fourth set value, the alarm needs to be reset manually, and the system is restarted, wherein the third set value is smaller than the fourth set value.
And (3) liquid spraying protection: when the temperature sensing probe of the liquid spraying valve 58 detects that the temperature of the explosion-proof compressor 51 reaches the set temperature, the liquid spraying valve 58 is automatically opened, and the refrigerant is sprayed into the head of the explosion-proof compressor 51 for cooling.
The regenerator 59 has two inlet ends and two outlet ends, the two inlet ends of the regenerator 59 are respectively connected with the outlet ends of the heat reservoir and the outlet ends of the plate heat exchanger 57, and the two inlet ends of the regenerator 59 are respectively connected with the plate heat exchanger 57 and the inlet ends of the explosion-proof compressor 51.
The cold-carrying circulation system 56 comprises an explosion-proof flow switch 561, an explosion-proof circulation pump 562 and a temperature sensor 563 which are connected in sequence. The temperature sensor 563 is a simple element and constitutes a safety system with the safety barrier 10, the spark energy of which is limited by the safety barrier 10 within a safety range by the supply of electricity.
The explosion-proof circulation pump 562 is a spark-less type.
The control method of the explosion-proof circulating pump 562 is as follows: when the explosion-proof refrigerating device 5 is powered on and operates, the temperature sensor 563 detects the temperature in the plate heat exchanger 57, if the temperature is higher than the set temperature, the explosion-proof circulating pump 562 is started, then a period of time is delayed, the explosion-proof flow switch 561 detects whether the pipeline flow is normal or not, and if the flow alarm value is lower than the flow alarm value, the explosion-proof compressor 51 is controlled to stop.
The explosion-proof high-voltage switch 53, the explosion-proof low-voltage switch 52 and the explosion-proof flow switch 561 are respectively integrated with the matched pouring jacket, and the internal pouring is compact and seamless.
The explosion-proof electromagnetic valve 61 comprises an electromagnetic valve coil, an explosion-proof electromagnetic valve 61 shell and a valve body, wherein the electromagnetic valve coil is sealed in the explosion-proof electromagnetic valve 61 shell through epoxy resin, the explosion-proof electromagnetic valve 61 shell is mounted on the valve body, the electromagnetic valve coil is singly sealed to form a sealing box, and an insulation sheath is arranged at a lead-out cable of the explosion-proof electromagnetic valve 61. The explosion-proof fan 62 is spark-free.
The explosion-proof control box body 1 is internally provided with a grounding device, and the explosion-proof control box body 1 is internally provided with a control module, an alternating current contactor, a thermal relay, a switching power supply, a wiring terminal row and the like.
The method for using the explosion-proof tank refrigeration unit 100 of the utility model is as follows:
1) Judging whether the difference value between the actual temperature of the goods and the set temperature of the goods is larger than the standard difference value, if the difference value between the actual temperature of the goods and the set temperature of the goods is larger than or equal to the standard difference value, the anti-explosion refrigerating device 5 operates normally, and the anti-explosion circulating pump 562 of the cold carrying circulating system 56 keeps operating; if the difference between the actual temperature of the cargo and the set temperature of the cargo is smaller than the standard deviation, the operation of the anti-explosion refrigerating device 5 is stopped, and the anti-explosion circulation pump 562 of the cold-carrying circulation system 56 is kept in operation.
2) Judging whether the difference value between the actual temperature of the cold load and the set temperature of the goods is larger than the standard difference value, if the difference value between the actual temperature of the cold load and the set temperature of the goods is larger than or equal to the standard difference value, closing the anti-explosion refrigerating device 5, and keeping the anti-explosion circulating pump 562 of the cold load circulating system 56 running; if the difference between the actual temperature of the cargo and the set temperature of the cargo is smaller than the standard deviation, the anti-explosion refrigerating device 5 operates normally, and the anti-explosion circulating pump 562 of the cold-carrying circulating system 56 remains operated.
The explosion-proof refrigerating device 5 and the explosion-proof tank box refrigerating unit 100 are reasonable in design, and the explosion-proof control box body 1 is arranged to conduct explosion-proof protection on circuit components of the explosion-proof refrigerating device 5, so that the explosion-proof refrigerating device 5 can be suitable for an explosion-proof area, meets the use requirements, and is explosion-proof and good in safety effect. The cooling requirement of the goods can be met according to the actual temperature of the goods and the actual temperature of the cold carrying, so that the whole refrigeration is more energy-saving and efficient, and the control is reasonable.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An explosion-proof refrigeration device, characterized in that: the explosion-proof refrigerating device comprises an explosion-proof compressor, an explosion-proof low-voltage switch connected with the inlet end of the explosion-proof compressor, an explosion-proof high-voltage switch connected with the outlet end of the explosion-proof compressor, a condenser connected with the outlet end of the explosion-proof compressor, a liquid accumulator connected with the outlet end of the condenser, a heat regenerator and a plate heat exchanger, wherein the heat regenerator is provided with two inlet ends and two outlet ends, the two inlet ends of the heat regenerator are respectively connected with the outlet end of the heat accumulator and the outlet end of the plate heat exchanger, and the two inlet ends of the heat regenerator are respectively connected with the plate heat exchanger and the inlet end of the explosion-proof compressor.
2. An explosion-proof refrigeration device according to claim 1, wherein: the explosion-proof refrigeration device also includes a spray valve connected between the compressor and the reservoir.
3. An explosion-proof refrigeration device according to claim 1, wherein: the junction box of the explosion-proof compressor is integrally cast, and a temperature protection switch is arranged in the explosion-proof compressor in series.
4. An explosion-proof refrigeration device according to claim 1, wherein: the anti-explosion refrigerating device further comprises a cold-carrying circulating system connected with the plate heat exchanger, and the cold-carrying circulating system comprises an anti-explosion flow switch, an anti-explosion circulating pump and a temperature sensor which are sequentially connected.
5. An explosion-proof refrigeration device according to claim 4, wherein: the explosion-proof circulating pump is of a spark-free type.
6. An explosion-proof refrigeration device according to claim 4, wherein: the explosion-proof high-voltage switch, the explosion-proof low-voltage switch and the explosion-proof flow switch are respectively integrated with the matched pouring envelope.
7. An explosion-proof refrigeration device according to claim 1, wherein: the explosion-proof refrigerating device also comprises an expansion valve and an explosion-proof electromagnetic valve which are connected between the outlet end of the plate heat exchanger and the heat regenerator.
8. An explosion-proof refrigeration device according to claim 7, wherein: the explosion-proof electromagnetic valve comprises an electromagnetic valve coil, an explosion-proof electromagnetic valve shell and a valve body, wherein the electromagnetic valve coil is sealed in the explosion-proof electromagnetic valve shell through epoxy resin in a pouring mode, the explosion-proof electromagnetic valve shell is arranged on the valve body, the electromagnetic valve coil is singly sealed to form a pouring box, and an insulation sheath is arranged at a lead-out cable of the explosion-proof electromagnetic valve.
9. An explosion-proof refrigeration device according to claim 1, wherein: the explosion-proof refrigerating device further comprises an explosion-proof fan arranged adjacent to the condenser, and the explosion-proof fan is spark-free.
10. An explosion-proof tank refrigeration unit which characterized in that: the explosion-proof tank-box refrigerating unit comprises an explosion-proof control box body, an explosion-proof control box cover for opening and closing the explosion-proof control box body, a display module arranged in the explosion-proof control box body, explosion-proof glass arranged on the explosion-proof control box cover for exposing the display module, and the explosion-proof refrigerating device as claimed in any one of claims 1-9, wherein the explosion-proof refrigerating device is arranged in the explosion-proof control box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320143071.1U CN219083429U (en) | 2023-01-17 | 2023-01-17 | Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320143071.1U CN219083429U (en) | 2023-01-17 | 2023-01-17 | Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219083429U true CN219083429U (en) | 2023-05-26 |
Family
ID=86402495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320143071.1U Active CN219083429U (en) | 2023-01-17 | 2023-01-17 | Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219083429U (en) |
-
2023
- 2023-01-17 CN CN202320143071.1U patent/CN219083429U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114512740A (en) | Modular energy storage battery cooling system and control method | |
| CN110797603B (en) | Cooling device for new energy automobile power battery | |
| CN111952510A (en) | Immersed liquid cooling energy storage system | |
| CN208278708U (en) | It is a kind of for storing the low temperature seal storage tank of lithium cell electrolyte lithium salts | |
| CN219083429U (en) | Explosion-proof refrigerating plant and explosion-proof tank refrigerating unit | |
| CN109301386B (en) | Heating and cooling system of automobile power battery | |
| CN219697339U (en) | Distributed battery digital energy storage container | |
| US20230344067A1 (en) | Energy storage prefabricated compartment and energy storage system | |
| CN216903111U (en) | Hybrid external cooling system for energy storage battery | |
| CN212783590U (en) | Immersed liquid cooling energy storage system | |
| CN209374237U (en) | Auxiliary cooling device and transformer | |
| CN104779569B (en) | A kind of big electric current isolated-phase enclosed bus forcing functions device | |
| CN210602321U (en) | Air conditioning system | |
| CN111969423B (en) | Ring main unit dehumidification system based on wind-solar hybrid self-energy supply | |
| CN210772858U (en) | Air conditioning system | |
| CN110635374B (en) | Novel insulating inflatable looped netowrk switchgear that seals | |
| CN221574112U (en) | High-power hybrid energy storage system with photovoltaic access | |
| CN217929305U (en) | Cooling equipment and tank container | |
| CN217402806U (en) | Electric cabinet and air conditioner of air conditioner | |
| CN221150199U (en) | Electrochemical energy storage container | |
| CN110595095B (en) | Air conditioning system and control method | |
| CN112992484A (en) | Integrated radiator for oil-immersed power equipment | |
| CN110595098B (en) | Air conditioning system and control method | |
| CN221648831U (en) | Portable refrigerator | |
| CN220911573U (en) | Air conditioner external case with energy storage battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |