Heat exchanger end cover with integrated rubber ball cleaning equipment
By integrating the ball collector and booster pump on the end cover of the heat exchanger, the use of three-way valves and one-way valves to achieve rapid ball serving and recycling of rubber balls, the water suction port and serving port need to be set long distances in the prior art The problem is that the equipment space occupation and installation complexity are reduced, and the rubber balls are efficiently circulated and simplified installation is achieved.
Patent Information
- Application Number
- CN201810852967.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-07-27
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2038-07-27
AI Technical Summary
The existing heat exchanger cleaning equipment needs to be set at a long distance to achieve pressure difference, which causes the equipment to occupy a large amount of installation space, reducing installation adaptability and space utilization efficiency.
Design a heat exchanger end cover that integrates rubber ball cleaning equipment. By setting up a ball collector and a booster pump on the outside of the end cover and a ball collecting filter on the inside, the rubber ball is realized by using three-way valves and one-way valves. Fast serving and recycling reduces the spacing between the suction port and the serving port, and the booster pump increases the circulation circuit pressure, achieving efficient circulation of the rubber ball.
It effectively reduces the appearance size and installation complexity of the equipment, solves the problem of space occupation, realizes the rapid serve and recycling of rubber balls, and simplifies the installation process.
Smart Images
Figure CN110763075B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of heat exchangers, and in particular to an end cover of a heat exchanger with integrated rubber ball cleaning equipment. Background Art
[0002] At present, in order to enable the rubber balls in the heat exchanger cleaning equipment to realize the cycle of launching and collecting balls under the power of water pressure, the water inlet and the ball launching port are generally set to be spaced far apart, so that the pressure of the water inlet is greater than the pressure of the ball launching port, and the rubber balls can be smoothly launched from the ball collector. For example, in the patent with publication number CN104896993A, the difference between the dynamic pressure and the static pressure of the fluid is used as the driving force for rubber ball recovery and rubber ball injection. In order to obtain a larger pressure difference, the water inlet and the ball launching port need to be set to be spaced at a certain distance to meet the required pressure difference. In this way, the heat exchanger cleaning equipment can only be set on the cooling water inlet pipe and the cooling water outlet pipe connected to the heat exchanger end cover, which also causes the heat exchanger cleaning equipment to occupy a large amount of installation space, which reduces the installation adaptability of the overall equipment on the one hand, and is not convenient for saving and fully utilizing space on the other hand. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a heat exchanger end cover of an integrated rubber ball cleaning device which can reduce the space occupied by the device.
[0004] The technical solution adopted to solve the above technical problems is as follows: a heat exchanger end cover of an integrated rubber ball cleaning device, comprising a ball collector and a booster pump arranged on the outside of the heat exchanger end cover and a ball collecting filter arranged on the inside of the heat exchanger end cover, the heat exchanger end cover is connected with a cooling water inlet pipe joint and a cooling water outlet pipe joint, the cooling water inlet pipe joint is provided with a water suction port and a ball outlet, the cooling water outlet pipe joint is provided with a drain port and a ball collecting port, the two ends of the ball collector are respectively provided with an upper through port and a lower through port, a partition net is provided in the middle of the interior of the ball collector and a rubber ball is placed between the partition net and the upper through port, and the lower through port is divided into two to form a connection with the water suction port A first pipeline and a second pipeline connected with the drain outlet, a three-way valve A is arranged on the first pipeline, and two water inlets of the three-way valve A are connected with the first pipeline, a three-way valve B is arranged on the second pipeline, and two water inlets of the three-way valve B are connected with the second pipeline, a booster pump is connected between the water outlets of the three-way valve A and the three-way valve B, the upper opening is divided into two to form a third pipeline and a fourth pipeline, a one-way valve A is arranged on the third pipeline and passes through the ball-serving port to extend into the cooling water inlet pipe joint, a one-way valve B is arranged on the fourth pipeline, the fourth pipeline passes through the ball-receiving port to extend into the cooling water outlet pipe joint and is connected with the ball-receiving filter.
[0005] Furthermore, the ball collector is transversely arranged in a gap formed by a cooling water inlet pipe joint and a cooling water outlet pipe joint, and the upper opening and the lower opening both point to the radial direction of the heat exchanger end cover.
[0006] Furthermore, the booster pump is arranged side by side close to the ball collector.
[0007] Furthermore, the pipe section provided with the one-way valve A and the one-way valve B is arranged horizontally.
[0008] Furthermore, the three-way valve A and the three-way valve B are both three-way electric valves.
[0009] Beneficial effect: The rubber ball cleaning device is integrated into the end cover of the heat exchanger and installed in an integrated manner with the end cover of the heat exchanger. On the one hand, the overall dimensions of the entire device are greatly reduced, and the requirements for the installation dimensions of the device are reduced. On the other hand, the installation complexity of the entire device is reduced. At the same time, by adding a booster pump to the rubber ball cleaning device, the pressure in the rubber ball circulation loop of the entire rubber ball cleaning device is effectively increased, and the drawback that the water suction port and the ball delivery port need to be set at a long distance in the prior art is solved. The present invention realizes the pressurization of the circulation loop through a booster pump, so that the water suction port and the ball delivery port are set on the cooling water inlet pipe joint with a shorter length, and the rubber ball can also be efficiently delivered and recovered quickly, which greatly reduces the space required for the installation of the rubber ball cleaning device. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:
[0011] Figure 1 A schematic cross-sectional view of a heat exchanger end cover with an integrated rubber ball cleaning device;
[0012] Figure 2 A front view of a heat exchanger end cover with an integrated rubber ball cleaning device;
[0013] Figure 3 for Figure 2 The left schematic diagram of
[0014] Figure 4 for Figure 2 Schematic diagram on the right. DETAILED DESCRIPTION
[0015] Reference Figures 1 to 4 The present invention provides a heat exchanger end cover of an integrated rubber ball cleaning device, wherein a cooling water inlet pipe joint 3 and a cooling water outlet pipe joint 2 are symmetrically arranged on the outer side of the heat exchanger end cover 1, wherein the cooling water inlet pipe joint 3 is located at the lower part of the figure, and the cooling water outlet pipe joint 2 is located at the upper part of the figure. A ball collecting filter 4 is arranged on the inner side of the heat exchanger end cover 1.
[0016] A ball collector 5 and a booster pump 6 are placed in the gap between the cooling water inlet pipe joint 3 and the cooling water outlet pipe joint 2. Specifically, the ball collector 5 is arranged horizontally between the cooling water inlet pipe joint 3 and the cooling water outlet pipe joint 2. The upper and lower openings of the ball collector 5 are both directed to the radial direction of the heat exchanger end cover 1. The booster pump 6 is arranged side by side close to the ball collector 5, and the booster pump 6 is basically close to the end of the heat exchanger end cover 1. At the same time, a water suction port 21 and a ball delivery port 22 are provided on the cooling water inlet pipe joint 3. The water suction port 21 and the ball delivery port 22 are separated by a small distance in the axial direction of the cooling water inlet pipe joint 3, and the water suction port 21 is located upstream of the cooling water inlet pipe joint 3. Alternatively, the water suction port 21 and the ball-serving port 22 are basically arranged in the same radial plane of the cooling water inlet pipe joint 3, which fully shortens the distance between the water suction port 21 and the ball-serving port 22, while ensuring that the pressure at the water suction port 21 is greater than the pressure at the ball-serving port 22; the cooling water outlet pipe joint 2 is provided with a drain port 23 and a ball-receiving port 24, and the drain port 23 and the ball-receiving port 24 are basically arranged in the same radial plane of the cooling water outlet pipe joint 2, which can also shorten the distance between the drain port 23 and the ball-receiving port 24.
[0017] A partition net is provided in the middle of the ball collector 5 and a rubber ball is placed between the partition net and the upper opening. The lower opening of the ball collector 5 is divided into two to form a first pipeline 31 connected to the water suction port 21 and a second pipeline 32 connected to the drainage port 23. Figure 4 As shown, the water inlet 21, the water outlet 23 and the lower opening are located on the same side, which is convenient for simplifying the pipeline and shortening the length of the pipeline. A three-way valve A12 is provided on the first pipeline 31, and the two water inlets of the three-way valve A12 are connected to the first pipeline 31. A three-way valve B11 is provided on the second pipeline 32, and the two water inlets of the three-way valve B11 are connected to the second pipeline 32. A booster pump 6 is connected between the water outlets of the three-way valve A12 and the three-way valve B11. Specifically, the three-way valve A12 and the three-way valve B11 are both three-way electric valves.
[0018] The upper opening of the ball collector 5 is divided into two parts to form a third pipeline 33 and a fourth pipeline 34. The third pipeline 33 is provided with a one-way valve A14 and extends through the ball-issuing port 22 into the cooling water inlet pipe joint 3. The fourth pipeline 34 is provided with a one-way valve B13 and extends through the ball-receiving port 24 into the cooling water outlet pipe joint 2 and communicates with the ball-receiving filter 4. The ball-issuing port 22, the ball-receiving port 24 and the upper opening are located on the same side, which is also convenient for simplifying the pipeline and shortening the length of the pipeline.
[0019] The first pipeline 31, the second pipeline 32, the third pipeline 33 and the fourth pipeline 34 can be welded and fixed on the cooling water inlet pipe joint 3 or the cooling water outlet pipe joint 2, thereby realizing the fixed installation of the entire rubber ball cleaning device.
[0020] The rubber ball cleaning device is integrated into the end cover of the heat exchanger and is installed in an integrated manner with the heat exchanger end cover 1, making full use of the space of the heat exchanger end cover 1. On the one hand, the overall dimensions of the entire device are greatly reduced, and the requirements of the device on the installation dimensions are reduced. On the other hand, the installation complexity of the entire device is reduced. At the same time, by adding a booster pump 6 to the rubber ball cleaning device, the pressure in the rubber ball circulation loop of the entire rubber ball cleaning device is effectively increased, and the disadvantage that the water suction port 21 and the ball delivery port 22 need to be set at a long distance in the prior art is solved. The present invention realizes the pressurization of the circulation loop through the booster pump 6, so that the water suction port 21 and the ball delivery port 22 are set on the cooling water inlet pipe joint 3 with a shorter length. It can also efficiently realize the rapid delivery and recovery of the rubber ball, which greatly reduces the space required for the installation of the rubber ball cleaning device.
[0021] The following is a description of the working principle of the rubber ball cleaning equipment:
[0022] Ball serving process: control one of the water inlets of the three-way valve A12 to be connected to the water suction port 21, and close the other water inlet, while the water outlet of the three-way valve A12 is connected to the inlet of the booster pump 6; control the water outlet of the three-way valve B11 to be connected to the outlet of the booster pump 6, while one of the water inlets of the three-way valve B11 is connected to the lower port, and the other water outlet is closed. Under the action of the booster pump 6, the rubber ball flows out of the ball collector 5, passes through the one-way valve A14, and is injected into the cooling water inlet pipe joint 3 from the ball serving port 22, and then enters the condenser with the cooling water to clean the copper pipe. After cleaning the copper pipe, the rubber ball stays in the ball collecting filter 4, and the cooling water is discharged through the cooling water outlet pipe joint 2. Among them, although the water suction port 21 and the ball-serving port 22 are both on the cooling water inlet pipe joint 3 and are not far apart, under the action of the booster pump 6, the water flow pressure in the water suction port 21 and the third pipeline 33 is increased, which is equivalent to providing a power for the cooling water to flow into the cooling water inlet pipe joint 3, so that the rubber ball can smoothly enter the cooling water outlet pipe joint 2 through the ball-serving port 22, thereby solving the disadvantage that a large interval needs to be set between the ball-serving port 22 and the water suction port 21 (the purpose of setting a large interval between the ball-serving port 22 and the water suction port 21 is to provide a larger pressure difference drop, so that the pressure of the water suction port 21 is greater than the pressure of the ball-serving port 22), thereby achieving the problem of saving installation space.
[0023] Ball collection process: control the outlet of the three-way valve A12 to be connected to the inlet of the booster pump 6, and at the same time, one of the water inlets of the three-way valve A12 is connected to the lower port, and the other outlet is closed; control one of the water inlets of the three-way valve B11 to be connected to the drain port 23, and the other water inlet is closed, and at the same time, the outlet of the three-way valve B11 is connected to the outlet of the booster pump 6. Under the action of the booster pump 6, the rubber balls flow out of the ball collection filter 4 and flush the one-way valve B13, and then are recovered into the ball collector 5. The rubber balls stay in the ball collector 5 under the action of the separation net. After the water flows through the separation net, it flows out to the cooling water outlet pipe joint 2 through the three-way valve A12, the booster pump 6 and the three-way valve B11. Among them, although the ball receiving port 24 and the drain port 23 are both on the cooling water outlet pipe joint 2 and are not far apart or are arranged in parallel, under the action of the booster pump 6, the water flow pressure in the ball receiving port 24 and the second pipeline 32 is increased, which is equivalent to providing a power for the cooling water to flow into the cooling water outlet pipe joint 2, which is convenient for realizing the circulation of the entire ball collecting process, and solves the disadvantage that a large interval needs to be set between the ball receiving port 24 and the drain port 23 (the purpose of setting a large interval between the ball receiving port 24 and the drain port 23 is to provide a larger pressure difference drop, so that the pressure of the ball receiving port 24 is greater than the pressure of the drain port 23), thereby achieving the problem of saving installation space.
[0024] At the same time, this rubber ball cleaning equipment has excellent versatility. This rubber ball cleaning equipment is composed of common and universal parts. In most medium and large refrigeration equipment, this rubber ball cleaning equipment can be designed and installed as an external accessory, and will not have a significant impact on the end cover of the refrigeration equipment. After such a design, the rubber ball cleaning equipment and the end cover of the refrigeration equipment are integrated into one, and the overall size and installation difficulty of the entire equipment are greatly reduced. The installation of the entire system is transformed into a regular installation of refrigeration equipment, and there is no need to consider the design and installation of the rubber ball cleaning equipment, which greatly simplifies the installation workload and saves installation space.
[0025] Preferably, the pipe section provided with the one-way valve A14 and the one-way valve B13 is designed to be horizontal, so as to facilitate the opening and closing of the one-way valve A14 and the one-way valve B13.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A heat exchanger end cover with integrated rubber ball cleaning equipment, characterized in that: The invention comprises a ball collector and a booster pump arranged on the outside of the end cover of the heat exchanger and a ball collecting filter arranged on the inside of the end cover of the heat exchanger, the end cover of the heat exchanger is connected with a cooling water inlet pipe joint and a cooling water outlet pipe joint, the cooling water inlet pipe joint is provided with a water suction port and a ball outlet, the cooling water outlet pipe joint is provided with a water discharge port and a ball collecting port, the two ends of the ball collector are respectively provided with an upper opening and a lower opening, a partition net is provided in the middle of the interior of the ball collector and a rubber ball is placed between the partition net and the upper opening, the lower opening is divided into two to form a first pipeline connected with the water suction port and a second pipeline connected with the water discharge port, a three-way valve A is provided on the first pipeline, the two water inlets of the three-way valve A are connected with the first pipeline, and a A three-way valve B, wherein the two water inlets of the three-way valve B are connected to the second pipeline, a booster pump is connected between the water outlets of the three-way valve A and the three-way valve B, the upper port is divided into two to form a third pipeline and a fourth pipeline, a one-way valve A is arranged on the third pipeline and extends through the ball-issuing port into the cooling water inlet pipe joint, a one-way valve B is arranged on the fourth pipeline, the fourth pipeline extends through the ball-receiving port into the cooling water outlet pipe joint and is connected to the ball-receiving filter, the ball collector is transversely arranged in the gap formed by the cooling water inlet pipe joint and the cooling water outlet pipe joint, the upper port and the lower port both point to the radial direction of the heat exchanger end cover, the booster pump is arranged side by side close to the ball collector, and the pipe section provided with the one-way valve A and the one-way valve B is arranged horizontally.
2. The heat exchanger end cover of the integrated rubber ball cleaning device according to claim 1 is characterized in that: The three-way valve A and the three-way valve B are both three-way electric valves.