A method for discharging condensate from a fan coil unit of a ro-ro passenger ship
By designing a condensate discharge device including a water suction pump, lifting cylinder and drain hose, the problem of condensate below the fan coil in a passenger boat cannot be discharged smoothly, and effective condensate discharge under the condition of no inclined discharge pipeline under the negative pressure state is achieved.
Patent Information
- Application Number
- CN202411778413.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-04-04
AI Technical Summary
In the passenger boat, the condensate below the fan coil cannot be discharged smoothly, resulting in accumulation and splashing of condensate. In the case of horizontal arrangement of the drainage pipeline under the negative pressure state, the condensate cannot be discharged effectively.
A condensate discharge device is designed, including a water suction pump, a lifting cylinder, a lifting pipe and a drain hose. The condensate is sucked into the lifting cylinder through the water suction pump, and discharged into the drain hose through the drain hose to ensure that the condensate can be discharged smoothly.
The discharge of condensate water without slope in the horizontally arranged drainage pipeline under negative pressure is achieved, avoiding condensate return and splashing, with simple effect, good discharge effect, no drainage phenomenon, and good condensate discharge effect.
Smart Images
Figure CN119749770A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of shipbuilding, and in particular to a condensate discharge method for a ro-ro passenger ship fan coil, which has a simple method, good discharge effect, no drainage phenomenon, and good condensate discharge effect, and solves the condensate discharge problem in a negative pressure state and when the discharge pipeline is horizontally arranged without a slope. Background Art
[0002] As we all know, fan coil units are commonly used in air conditioning configurations in public areas of ro-ro passenger ferries and passenger ships. The condensate discharge generated in the summer cooling mode is a difficult problem to solve in the ship air-conditioning industry. The condensate discharge is not smooth, causing the condensate to accumulate inside, resulting in overflow from the water receiving tray or splashing due to the suction of the fan and flowing out into the exhaust duct. All shipyards will encounter similar condensate problems when building ro-ro passenger ferries, passenger ships, or even cruise ship projects.
[0003] At present, the existing fan coil units and fan coil units are arranged inside the air-conditioning shell. A water collecting box is installed at the bottom of the air-conditioning shell below the fan coil unit. A water outlet is arranged on the side of the water collecting box. The water outlet extends out of the air-conditioning shell through a discharge pipe and is discharged. Due to space limitations, the discharge pipe is arranged horizontally without a slope. Since a fan is arranged in the air-conditioning shell, the fan causes negative pressure to be generated in the air-conditioning shell during the exhaust process. The existence of negative pressure will cause the liquid in the discharge pipe to flow back, and the condensed water cannot be discharged smoothly. Summary of the invention
[0004] The purpose of the present invention is to solve the deficiencies of the above-mentioned prior art and to provide a condensate discharge method for a passenger and vehicle ro-ro fan coil unit which is simple in method, good in discharge effect, free of drainage phenomenon, good in condensate discharge effect, and can solve the condensate discharge problem in a negative pressure state and when the discharge pipeline is arranged horizontally without inclination.
[0005] The technical solution adopted by the present invention to solve its technical problem is: A method for discharging condensate from a fan coil unit of a ro-ro passenger ship, characterized in that the method for discharging condensate has the following steps: (1) Design of condensate discharge device: A condensate discharge device is used to lift and discharge the condensate in the water receiving tray under the fan coil unit; (2) Install the condensate discharge device: Install the condensate discharge device designed in step (1) on the water receiving tray under the fan coil unit; (3) Start the condensate distribution device: Start the condensate discharge device to discharge the condensate in the water receiving tray smoothly.
[0006] The condensate discharge device in step (1) described in the present invention comprises a water suction pump, a lifting cylinder, a lifting pipe, and a discharge hose. The water suction pump is placed in a water receiving box. The water outlet of the water suction pump is connected to the water inlet pipe of the lifting cylinder via the lifting pipe. The lifting cylinder is configured as a cylindrical structure with an upper opening. The water inlet pipe of the lifting cylinder is disposed above the lifting cylinder. The water outlet pipe of the lifting cylinder is disposed at the bottom of the lifting cylinder. The water outlet pipe of the lifting cylinder is connected to the vertical pipe of the tee pipe. Both ends of the horizontal pipe of the tee pipe are respectively connected to the discharge hose. The discharge hose is sealed and connected to the discharge pipe at the bottom of the side of the water receiving box.
[0007] The box body of the present invention is provided with a support frame in the middle, the support frame is set to be U-shaped, the two vertical walls of the U-shaped support frame are respectively fixedly connected to the side plates of the water receiving box, and the lifting cylinder is fixed in the middle of the horizontal part of the U-shaped support frame.
[0008] The height of the bottom of the lifting cylinder described in the present invention from the bottom of the water receiving box is greater than the liquid level height generated by the working negative pressure of the fan in the air-conditioning shell.
[0009] A frustum-shaped plug is provided on the outer wall of the end of the discharge hose at the connection between the discharge hose and the discharge pipe described in the present invention. The discharge hose is plugged into the discharge pipe through the frustum-shaped plug to achieve sealing between the discharge hose and the discharge pipe, thereby preventing the negative pressure generated by the fan from affecting the condensed water in the discharge pipe.
[0010] The specific steps of installing the condensate discharge device in step (2) described in the present invention are: fixing the water inlet of the water suction pump to the bottom of the water receiving box, installing the two vertical walls of the U-shaped support frame on the side panels of the water receiving box respectively, fixing the lifting cylinder in the middle of the horizontal part of the U-shaped support frame, and then inserting the cone-shaped plug at the end of the discharge hose into the discharge pipe to achieve sealing.
[0011] The specific steps of starting the condensate distribution device in step (3) described in the present invention are: connecting the water suction pump to the external power supply, turning on the water suction pump, and the water suction pump sucks the water in the water receiving box, enters the lifting cylinder through the lifting pipe, and then discharges it into the discharge pipe through the discharge hose, and finally discharges it.
[0012] Due to the adoption of the above structure, the present invention has the advantages of simple method, good discharge effect, no drainage phenomenon, good condensate discharge effect, solving the condensate discharge problem in the case of negative pressure state and horizontal arrangement of the discharge pipeline without slope, etc. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the condensate discharge device of the present invention.
[0014] Figure 2 yes Figure 1 sectional view of .
[0015] Figure 3 yes Figure 2Schematic diagram of the structure of the middle lifting tube.
[0016] Figure 4 yes Figure 2 Schematic diagram of the structure of the middle discharge hose end. DETAILED DESCRIPTION
[0017] The present invention is further described below in conjunction with the accompanying drawings: As shown in the attached drawings, a method for discharging condensate from a fan coil unit of a ro-ro passenger ship is provided, wherein the steps of the method for discharging condensate are as follows: (1) Design of condensate discharge device: A condensate discharge device is used to lift and discharge the condensate in the water receiving tray under the fan coil unit; (2) Install the condensate discharge device: Install the condensate discharge device designed in step (1) on the water receiving tray under the fan coil unit; (3) Start the condensate distribution device: Start the condensate discharge device to discharge the condensate in the water receiving tray smoothly.
[0018] Furthermore, the condensate discharge device in the step (1) includes a water suction pump 5, a lifting cylinder 6, a lifting pipe 7, and a discharge hose 8. The water suction pump 5 is placed in the water receiving box 3, the water inlet of the water suction pump 5 is fixed to the bottom of the water receiving box 3, the water outlet of the water suction pump 5 is connected to the water inlet pipe 12 of the lifting cylinder 6 through the lifting pipe 7, the lifting cylinder 6 is set as a cylindrical structure with an upper opening, the water inlet pipe 12 of the lifting cylinder 6 is set above the lifting cylinder 6, the water outlet pipe 13 of the lifting cylinder 6 is set at the bottom of the lifting cylinder 6, the water outlet pipe 13 of the lifting cylinder 6 is connected to the vertical pipe of the three-way pipe 9, the two ends of the horizontal pipe of the three-way pipe 9 are respectively connected to the discharge hose 8, and the discharge hose 8 is sealed and connected to the discharge pipe 4 at the bottom of the side of the water receiving box 3.
[0019] Furthermore, a support frame 10 is provided in the middle of the water receiving box. The support frame 10 is set to be U-shaped. The two vertical walls of the U-shaped support frame 10 are respectively fixedly connected to the side plates of the water receiving box 3. The lifting cylinder 6 is fixed in the middle of the horizontal part of the U-shaped support frame 10.
[0020] Furthermore, the height of the bottom of the lifting tube 6 from the bottom of the water receiving box 3 is greater than the liquid level height generated by the working negative pressure of the fan 2 in the air-conditioning housing 1 .
[0021] Furthermore, a frustum-shaped plug 11 is provided on the outer wall of the end of the discharge hose 8 at the connection between the discharge hose 8 and the discharge pipe 4. The discharge hose 8 is plugged into the discharge pipe 4 through the frustum-shaped plug 11 to achieve sealing between the discharge hose 8 and the discharge pipe 4, thereby preventing the negative pressure generated by the fan 2 from affecting the condensed water in the discharge pipe 4. The frustum-shaped plug 11 is made of rubber.
[0022] Furthermore, the specific steps of installing the condensate discharge device in step (2) are as follows: fixing the water inlet of the water suction pump to the bottom of the water receiving box, installing the two vertical walls of the U-shaped support frame on the side panels of the water receiving box respectively, fixing the lifting cylinder in the middle of the horizontal part of the U-shaped support frame, and then inserting the cone-shaped plug at the end of the discharge hose into the discharge pipe to achieve sealing.
[0023] Furthermore, the specific steps of starting the condensate distribution device in step (3) are as follows: the water suction pump is connected to an external power supply, the water suction pump is turned on, the water suction pump sucks the water in the water receiving box, enters the lifting cylinder through the lifting pipe, and then is discharged into the discharge pipe through the discharge hose, and finally discharged.
[0024] The water receiving box 3 is installed below the fan coil 2 of the air-conditioning housing 1. The height of the bottom of the lifting cylinder 6 is set to be higher than the water column liquid level height generated by the negative pressure difference of the fan 2 inside the air-conditioning housing 1. For example, if the fan 2 generates a negative pressure of 300Pa, then the height of the bottom of the lifting cylinder 6 from the bottom of the water receiving box 3 is at least 300mm. If the fan 2 generates a negative pressure of 400Pa, then the height of the bottom of the lifting cylinder 6 from the bottom of the water receiving box 3 is at least 400mm. This scheme is designed for negative pressure inside the air-conditioning housing 1 and the condensate discharge pipe 4 cannot guarantee a certain slope. Under this condition, the condensate is discharged into a lifting cylinder 6 through the internal water suction pump 5. The height of the bottom of the water box 3 at the bottom of the lifting cylinder 6 must be higher than the height of the negative pressure water column generated by the fan 2. The condensate is smoothly discharged to the discharge pipe 4 through the gravity pressure difference of the condensate in the lifting cylinder 6. It has the advantages of simple structure, good discharge effect, no drainage phenomenon, and good condensate discharge effect. Due to the adoption of the above structure, the present invention has the advantages of simple method, good discharge effect, no drainage phenomenon, good condensate discharge effect, and solving the condensate discharge problem in the negative pressure state and the horizontal arrangement of the discharge pipeline without slope.
Claims
1. A method for discharging condensate from a fan coil unit of a ro-ro passenger ship, characterized in that The steps of the condensate discharge method are as follows: (1) Design of condensate discharge device: A condensate discharge device is used to lift and discharge the condensate in the water receiving tray under the fan coil unit; (2) Install the condensate discharge device: Install the condensate discharge device designed in step (1) on the water receiving tray under the fan coil unit; (3) Start the condensate distribution device: Start the condensate discharge device to discharge the condensate in the water receiving tray smoothly.
2. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 1, characterized in that The condensate discharge device in step (1) comprises a water suction pump, a lifting cylinder, a lifting pipe, and a discharge hose. The water suction pump is placed in a water receiving box. The water outlet of the water suction pump is connected to the water inlet pipe of the lifting cylinder via the lifting pipe. The lifting cylinder is configured as a cylindrical structure with an upper opening. The water inlet pipe of the lifting cylinder is disposed above the lifting cylinder. The water outlet pipe of the lifting cylinder is disposed at the bottom of the lifting cylinder. The water outlet pipe of the lifting cylinder is connected to the vertical pipe of the tee pipe. Both ends of the horizontal pipe of the tee pipe are respectively connected to the discharge hose. The discharge hose is sealed and connected to the discharge pipe at the bottom of the side of the water receiving box.
3. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 2, characterized in that A support frame is provided in the middle of the box body, the support frame is set to be U-shaped, the two vertical walls of the U-shaped support frame are respectively fixedly connected to the side plates of the water receiving box, and a lifting cylinder is fixed in the middle of the horizontal part of the U-shaped support frame.
4. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 2, characterized in that The height between the bottom of the lifting cylinder and the bottom of the water receiving box is greater than the liquid level height generated by the working negative pressure of the fan in the air-conditioning shell.
5. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 2, characterized in that A frustum-shaped plug is provided on the outer wall of the discharge hose end portion where the discharge hose is connected to the discharge pipe. The discharge hose is plugged into the discharge pipe through the frustum-shaped plug to achieve sealing between the discharge hose and the discharge pipe, thereby preventing the negative pressure generated by the fan from affecting the condensed water in the discharge pipe.
6. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 1, characterized in that The specific steps of installing the condensate discharge device in step (2) are as follows: the water inlet of the water suction pump is fixed to the bottom of the water receiving box, the two vertical walls of the U-shaped support frame are respectively installed on the side panels of the water receiving box, the lifting cylinder is fixed in the middle of the horizontal part of the U-shaped support frame, and then the cone-shaped plug at the end of the discharge hose is inserted into the discharge pipe to achieve sealing.
7. The method for discharging condensate from a ro-ro passenger ship fan coil unit according to claim 1, characterized in that The specific steps of starting the condensate distribution device in step (3) are as follows: the water suction pump is connected to an external power supply, the water suction pump is turned on, the water suction pump sucks the water in the water receiving box, enters the lifting cylinder through the lifting pipe, and then is discharged into the discharge pipe through the discharge hose and finally discharged.