Water-cooled water chiller
By installing baffles and small-diameter cooling pipes inside the evaporator, the refrigerant is ensured to flow evenly in the water-cooled unit, thus solving the problem of uneven refrigerant temperature and improving the heat exchange effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN MOORE BIOPHARMACEUTICAL CO LTD
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-17
AI Technical Summary
In existing water-cooled units, the temperature of the condensate in different areas of the evaporator is uneven, resulting in poor heat exchange performance.
A baffle is installed inside the evaporator to divide it into an upper chamber and a lower chamber, which are connected by a small-diameter cooling pipe. The refrigerant flows evenly in each area, and the compressor provides power to ensure that the refrigerant flows quickly and avoids staying for too long.
This achieves uniform condenser temperature in all areas, improving heat exchange efficiency.
Smart Images

Figure CN224517038U_ABST
Abstract
Claims
1. A water-cooled chiller unit, comprising an evaporator, a compressor, and a condenser, wherein the negative pressure end of the compressor is connected to the condenser via a pipeline, and the high pressure end is connected to the evaporator via a pipeline to supply refrigerant to the evaporator, characterized in that: The evaporator includes a tank body, with an inlet and an outlet at the first end of the tank body. The tank body is provided with a condensate inlet communicating with the upper cavity of the tank body and a condensate outlet communicating with the lower cavity of the tank body along its periphery. A baffle is provided between the water inlet and the water outlet, a first baffle is provided between the water inlet and the refrigerant inlet, and a second baffle is provided between the water outlet and the refrigerant outlet; The starting end of the partition is pushed and sealed between the inlet and the outlet, the free end of the partition extends to the other end near the tank body, the partition defines the cavity inside the tank body as an upper cavity and a lower cavity, and the extended end of the partition is spaced from the tank body to keep the upper cavity and the lower cavity in communication. The first baffle and the second baffle respectively isolate a first cavity that is connected to the refrigerant inlet and closed to the upper and lower cavities, and a second cavity that is connected to the refrigerant outlet and closed to the upper and lower cavities; A cooling pipe is provided between the first cavity and the second cavity to connect the two. Multiple cooling pipes are arranged side by side along the axial direction of the tank. Some of the cooling pipes pass through the first baffle and the second baffle, and some of the cooling pipes pass through the first baffle, the second baffle and the partition.
2. The water-cooled chiller unit according to claim 1, characterized in that, The refrigerant inlet is located in the middle part of the tank along the axial direction. The cooling pipes closer to the refrigerant inlet are arranged more sparsely, while the cooling pipes farther away from the refrigerant inlet are arranged more compactly.
3. The water-cooled chiller unit according to claim 1 or 2, characterized in that A flow divider is also provided between the first baffle and the refrigerant inlet. The flow divider is spaced apart from the refrigerant inlet and the cooling pipe. The flow divider is approximately parallel to the first baffle. The flow divider at least partially blocks the refrigerant inlet. The two ends of the flow divider are spaced apart from the two ends of the tank.
4. The water-cooled chiller unit of claim 3, wherein The flow divider includes multiple flow dividers arranged side by side along the axis of the tank, with a gap between each flow divider.
5. The water-cooled chiller as recited in claim 4, wherein The spacing between each of the manifolds is smaller in the region near the refrigerant inlet.
6. The water-cooled chiller of claim 1, wherein The tank includes a cylindrical section, a first disc section with an inlet and an outlet, and a second disc section connected to the cylindrical section via a connector. The second disc section is fixedly connected to the partition, the first baffle, and the second baffle.
7. The water-cooled chiller unit of claim 6, wherein The second disk segment and the cylindrical segment are engaged by a trapezoidal surface.
8. The water-cooled chiller unit of claim 7, wherein, A sealing gasket is provided at the mating point between the second disc segment and the trapezoidal surface.
9. The water-cooled chiller of claim 1, wherein A flow rate detector is installed at the water inlet.