Plate-shell type condensation and evaporation circulating barrel applied to refrigerating or cascade refrigerating system

Abstract

The invention relates to a plate-shell type condensation and evaporation circulating barrel applied to a cold-carrying or cascade refrigeration system. The problems that in the background technology, when a condensation evaporator and a low-pressure circulation barrel are two independent devices, the devices are too high, the manufacturing cost, the transportation cost, the installation cost and the like of the devices can be increased, the cavitation phenomenon of a refrigeration pump can be caused when the height is reduced, and even faults of the refrigeration pump can be caused when the height is serious are solved. The key point of the technical scheme adopted for solving the technical problem is that the equipment is provided with a liquid inlet, a left seal head, a cylinder body, a plate core, an air inlet, a right seal head, an air outlet and a liquid outlet; a liquid storage space is arranged at the bottom of the barrel. The invention is suitable for refrigeration systems.

Description

TECHNICAL FIELD

[0001] The present application belongs to the refrigeration technology, and particularly relates to a plate-shell condensing and evaporating circulation barrel applied to a cooling or cascade refrigeration system. BACKGROUND

[0002] In the existing carbon dioxide cooling unit, the condensing evaporator and the low-pressure circulation barrel are two separate devices. Due to the need of gravity liquid falling, the condensing evaporator must be placed above the low-pressure circulation barrel, so that the device is very high. Due to the height limitation in transportation, the device must be divided into upper and lower parts, which increases the cost of device manufacturing, transportation, installation and the like. In some projects, the height of the machine room is low. In order to enable the device to be installed, the height between the refrigeration pump and the low-pressure circulation barrel must be reduced, which greatly reduces the safety gas cavitation allowance of the refrigeration pump, and the refrigeration pump is prone to cavitation phenomenon, and even causes the refrigeration pump to fail in severe cases. SUMMARY

[0003] The present application belongs to the refrigeration technology, and particularly relates to a plate-shell condensing and evaporating circulation barrel applied to a cooling or cascade refrigeration system.

[0004] The present application has the beneficial effects compared with the prior art: on the one hand, the condensing evaporator and the low-pressure circulation barrel are made into a condensing and evaporating circulation barrel, the overall height of the device is reduced, the device can be transported integrally without being divided into upper and lower parts, and the height between the refrigeration pump and the low-pressure circulation barrel can be ensured in the case that the height of the machine room is low, so that the pump can be safely operated; on the other hand, the condensing evaporator and the low-pressure circulation barrel are designed as a two-in-one structure, the system design is simplified, the number of pipes is reduced, the along-path resistance of the pipeline is reduced, the system performance is improved, and the cost is saved; on the other hand, the condensing and evaporating circulation barrel has the heat exchange of the condensing evaporator and the gas-liquid separation and liquid storage functions of the low-pressure circulation barrel; on the other hand, the condensing and evaporating circulation barrel is a combined structure of the condensing evaporator and the low-pressure circulation barrel in the cooling system, or a combined structure of the condensing evaporator and the liquid storage device in the cascade system. BRIEF DESCRIPTION OF DRAWINGS

[0005] Figure 1 is a schematic diagram of the present application. DETAILED DESCRIPTION

[0006] Embodiment: Reference Figure 1 A plate-shell condensation and evaporation cycle barrel applied to a cold-carrying or cascade refrigeration system, characterized in that: the device is provided with an air outlet 1, a left end cover 2, a barrel 3, a plate core 4, an air inlet 5, a right end cover 6, a liquid inlet 7, a liquid outlet 8; the bottom of the barrel is provided with a liquid storage space 9; the air outlet 1 and the liquid inlet 7 are on one side of the barrel 3; the plate core 4 is installed in the gas phase zone; and the air inlet 5 is on the side of the barrel 3.

Claims

1. A plate-and-shell type condenser-evaporator circulation tank for use in a refrigeration or cascade refrigeration system, characterized in that: The device is equipped with an air outlet (1), a left end cap (2), a cylinder (3), a core plate (4), an air inlet (5), a right end cap (6), a liquid inlet (7), and a liquid outlet (8); a liquid storage space (9) is provided at the bottom of the cylinder.

2. A plate-shell type condenser-evaporator circulation tank for use in a cooling or cascade refrigeration system according to claim 1, characterized in that: The air outlet (1) and liquid inlet (7) are either on one side of the cylinder (3) or on both sides of the cylinder (3).

3. A plate-shell type condenser-evaporator circulation tank for use in a cooling or cascade refrigeration system according to claim 1 or 2, characterized in that: The core plate (4) is either installed in the gas phase region or partially installed in the liquid phase region.

4. A plate-shell type condenser-evaporator circulation tank for use in a cooling or cascade refrigeration system according to claim 1 or 2, characterized in that: The air inlet (5) is either on the top of the cylinder (3) or on the side of the cylinder (3).

5. A plate-and-shell type condenser-evaporator circulation tank for use in a refrigeration or cascade refrigeration system according to claim 3, characterized in that: The air inlet (5) is either on the top of the cylinder (3) or on the side of the cylinder (3).

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