Shell and tube type condensation and evaporation circulating barrel applied to refrigerating or cascade refrigerating system
The shell-tube-type condensation evaporator circulation barrel design that integrates the condensed evaporator and the low-pressure circulation barrel is solved, and the equipment height is increased is achieved, safe transportation and operation is achieved, the system design is simplified, performance is improved and costs are reduced.
Patent Information
- Application Number
- CN202421738110.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-07-22
AI Technical Summary
When the condensing evaporator and the low-pressure circulation barrel are two separate equipment, the equipment height increases, which increases the production, transportation and installation costs, and the reduction in the height will lead to cavitation of the refrigeration pump and may even cause failure.
A shell-tube type condensation evaporation circulation barrel is designed to integrate the condensation evaporator and the low-pressure circulation barrel into one, and a liquid inlet, a left tube plate, a cylinder, a heat exchange tube, an air inlet, a right tube plate, an air outlet, a left liquid chamber, a liquid outlet, and a right air chamber are provided at the bottom of the cylinder. The liquid inlet and an air outlet can be on one or both sides of the cylinder, the heat exchange tube can be in the gas phase area or the liquid phase area, and the air inlet can be on the top or side of the cylinder.
Reduce the overall height of the equipment, facilitate overall transportation, ensure safe operation of the refrigeration pump, simplify system design, reduce the number of pipelines, reduce resistance along the route, improve system performance and save costs.
Smart Images
Figure CN223243062U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to refrigeration technology, in particular to a shell and tube type condensation evaporation circulation barrel used in a cold-carrying or cascade refrigeration system. Background Art
[0002] In the existing carbon dioxide refrigeration units, the condenser evaporator and low-pressure circulation barrel used are two separate devices. Due to the need for gravity drop, the condenser evaporator must be placed above the low-pressure circulation barrel, so the equipment will be very high. Due to the height limit during transportation, the equipment must be separated into upper and lower parts, which will increase the cost of equipment manufacturing, transportation, and installation. The height of some project machine rooms is relatively low. In order to make the equipment installable, the height between the refrigeration pump and the low-pressure circulation barrel can only be reduced, which will greatly reduce the safety cavitation margin of the refrigeration pump. The refrigeration pump is prone to cavitation, and in severe cases, it may even cause refrigeration pump failure.
[0003] Utility Model Content: The purpose of this utility model is to propose a shell-and-tube condenser-evaporator circulation barrel for use in cold-carrying or cascade refrigeration systems, in order to address the problem in the background technology that when the condenser-evaporator and the low-pressure circulation barrel are two separate devices, the equipment is too high, which increases the cost of equipment manufacturing, transportation, and installation. Lowering the height will cause cavitation in the refrigeration pump, and in severe cases, even cause refrigeration pump failure. The technical solution adopted to solve this technical problem is: a shell-and-tube condenser-evaporator circulation barrel for use in cold-carrying or cascade refrigeration systems, characterized in that: the equipment is provided with a liquid inlet, a left tube sheet, a cylinder, heat exchange tubes, an air inlet, a right tube sheet, an air outlet, a left liquid cavity, a liquid outlet, and a right air cavity; and a liquid storage space is provided at the bottom of the cylinder. The liquid inlet and the air outlet are either on one side of the cylinder or on both sides of the cylinder. The heat exchange tubes are either installed in the gas phase area or partially installed in the liquid phase area. The air inlet is either at the top of the cylinder or on the side of the cylinder.
[0004] Compared with the prior art, the beneficial effects of the present invention are as follows: adopting the above technical scheme, on the one hand: the condenser evaporator and the low-pressure circulation barrel are made into an integrated condenser evaporator circulation barrel, which reduces the overall height of the equipment and allows it to be transported as a whole without separation. Even when the machine room height is low, the height between the refrigeration pump and the low-pressure circulation barrel can be guaranteed, so that the pump can operate safely; on the other hand: the condenser evaporator and the low-pressure circulation barrel are made into a two-in-one design, which simplifies the system design, reduces the number of pipelines, reduces the resistance along the pipeline, improves the system performance and saves costs; on the other hand: the condenser evaporator circulation barrel has both the heat exchange of the condenser evaporator and the gas-liquid separation and liquid storage functions of the low-pressure circulation barrel; on the other hand: the condenser evaporator circulation barrel is either a combined structure of the condenser evaporator and the low-pressure circulation barrel in the cold-carrying system, or a combined structure of the condenser evaporator and the liquid storage in the cascade system. BRIEF DESCRIPTION OF THE DRAWINGS
[0005] Figure 1 It is a schematic diagram of the present utility model. DETAILED DESCRIPTION
[0006] Example: Reference Figure 1 A condensing and evaporating circulating barrel used for cooling is characterized in that: a liquid inlet 1, a left tube sheet 2, a cylinder 3, a heat exchange tube 4, an air inlet 5, a right tube sheet 6, an air outlet 7, a left liquid cavity 8, a liquid outlet 9, and a right air cavity 10 are arranged on the device; a liquid storage space 11 is provided at the bottom of the cylinder; the liquid inlet 1 and the air outlet 7 are on both sides of the cylinder 3; the heat exchange tube 4 is installed in the gas phase area; and the air inlet 5 is on the side of the cylinder 3.
Claims
1. A shell and tube condensing and evaporating circulating drum for use in a cold-carrying or cascade refrigeration system, characterized by: The shell-and-tube condensation evaporation circulation barrel is provided with a liquid inlet (1), a left tube plate (2), a barrel (3), a heat exchange tube (4), an air inlet (5), a right tube plate (6), an air outlet (7), a left liquid cavity (8), a liquid outlet (9), and a right air cavity (10); and a liquid storage space (11) is provided at the bottom of the barrel.
2. The shell and tube condensing and evaporating circulating drum for use in a cold-carrying or cascade refrigeration system according to claim 1, characterized in that: The liquid inlet (1) and the gas outlet (7) are either on one side of the cylinder (3) or on both sides of the cylinder (3).
3. The shell and tube condensing and evaporating circulating drum for use in a cold-carrying or cascade refrigeration system according to claim 1 or 2, characterized in that: The heat exchange tube (4) is either installed in the gas phase area or partially installed in the liquid phase area.
4. The shell and tube condensing and evaporating circulating drum for use in a cold-carrying 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. The shell and tube condensing and evaporating circulating drum for use in a cold-carrying 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).