CN210374770U

CN210374770U - End cover type rubber ball cleaning device

Info

Publication number: CN210374770U
Application number: CN201921034312.9U
Authority: CN
Inventors: 倪永刚
Original assignee: Shenzhen Handfos Fluid Mechanical & Electrical Equipment Co ltd
Current assignee: Shenzhen Handfos Fluid Mechanical & Electrical Equipment Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-21
Anticipated expiration: 2029-07-04

Abstract

The utility model provides an end cover formula rubber ball belt cleaning device, including head pipe case, outlet pipe and the inlet tube that is used for into high pressure water, still include outer barrel, catch ball barrel, receiving and dispatching ball device and be used for controlling receiving and dispatching ball device to carry out the control assembly of receiving and dispatching ball action, be equipped with upper tube case and low tube case in the head pipe case, the outer barrel of front end intercommunication of low tube case, outer barrel and inlet tube intercommunication, the ball barrel is caught in the front end intercommunication of upper tube case, catches ball barrel and outlet pipe intercommunication. Compared with the prior art, this end cover formula rubber ball belt cleaning device installs in the condenser main part, drive the interior rubber ball of receiving and dispatching ball device through rivers and flow into the condenser in, wash, retrieve the rubber ball to receiving and dispatching ball device in through catching the ball barrel again, cyclic utilization, whole cleaning machine compact structure, it is simple and reliable, inside need not set up the power pump, but through the receiving and dispatching ball of control rubber ball, the entering of coming control high-pressure rivers, power is extremely low, the filter screen convenient to detach washs, the pressure loss is little, the life cycle of extension product.

Description

End cover type rubber ball cleaning device

Technical Field

The utility model relates to a supporting product of condenser/evaporimeter is an end cover formula rubber ball belt cleaning device with online cleaning function of rubber ball, is applicable to two process water-cooling cold water unit shell and tube condensers, and the full liquid evaporator of two process shell and tube to and the cooling water walks the double process water-cooling shell and tube heat exchanger that tube pass and temperature are no longer than 80 ℃.

Background

The automatic on-line cleaning device for the condenser of the existing water chilling unit comprises the following three types: the first type is an independent cleaning system device which is connected with a water inlet pipe and a water outlet pipe of a condenser through pipelines, a service robot sends cooling water out of a water inlet pipeline by a rubber ball, the rubber ball flows into the condenser along with the cooling water, flows out of a cooling water outlet after being cleaned, enters a ball catcher and then enters the service robot, and the cleaning device is mainly installed on a connecting pipeline of a cold water host machine, needs to be installed independently and is troublesome; the second type is that a four-way reversing device is arranged at an inlet and an outlet of a condenser, a cleaning element is arranged in a heat exchange pipe of the condenser, the cleaning element reciprocates through the four-way reversing flow direction to clean the inner wall of the heat exchange pipe, the detail can be seen in the invention patent with the publication number of CN104151297A, however, the automatic cleaning device through the reversing flow direction has two defects: 1. high-temperature water enters the condenser during reversing, so that the condensation temperature of a refrigerant in the condenser of the water chilling unit is changed greatly instantly, the instant efficiency fluctuation of the water chilling unit is large, large impact is brought to the operation of the water chilling unit, and the side effects of surge of the water chilling unit and the like are caused in serious cases; 2. because of the distribution of the water flow field in the condenser tube plate, the flow velocity in each heat exchange tube is different, so that when the condenser tube plate runs for a period of time, part of cleaning elements can not do reciprocating cleaning movement and are clamped in the blocking element; the third type is a water-cooling water set shell-and-tube condenser front end head channel box with rubber ball online cleaning function, the detail can be seen in patent with publication number CN208805095, the equipment has a power pump, the energy consumption is large, and simultaneously, because in the actual engineering application, the ball collecting filter screen can intercept impurities in water flow, and the impurities can block the ball collecting filter screen along with the accumulation of time, thereby often causing the rubber ball to be blocked in the ball collecting filter screen, and the rubber ball can not be smoothly recovered.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the invention provides an end cover type rubber ball cleaning device which is compact in structure, simple and reliable, does not need a power pump in the end cover type rubber ball cleaning device, controls the entrance of high-pressure water flow by controlling a receiving and sending ball of the rubber ball, is extremely low in power and small in pressure loss, can prolong the service life of a product, and is suitable for a condenser and an evaporator of a water chilling unit with a head pipe box specification of DN 400-DN 3000.

The utility model adopts the technical proposal that:

an end cover type rubber ball cleaning device comprises an end cover channel, a water outlet pipe and a water inlet pipe for feeding high-pressure water, and is characterized by further comprising an outer cylinder, a ball catching cylinder, a ball receiving and sending device and a control assembly for controlling the ball receiving and sending device to perform ball receiving and sending actions, wherein an upper channel and a lower channel are arranged in the end cover channel, the front end of the lower channel is communicated with the outer cylinder, the outer cylinder is communicated with the water inlet pipe, the front end of the upper channel is communicated with the ball catching cylinder, and the ball catching cylinder is communicated with the water outlet pipe; the receiving and dispatching ball device comprises a receiving and dispatching ball cavity body, the receiving and dispatching ball cavity body is provided with a receiving and dispatching ball cavity, the receiving and dispatching ball cavity body is provided with a water inlet communicated with an outer barrel body and used for high-pressure water to enter, a water outlet communicated with a water outlet pipe and used for low-pressure water to flow out, a ball serving port connected with a lower pipe box and a ball catching barrel body communicated with an upper pipe box and used for ball receiving ports for ball inflow along with water, a first check valve used for preventing rubber balls from flowing out from the ball receiving ports when high-pressure water enters from the water inlet is arranged in the ball receiving ports, a second check valve used for preventing the rubber balls from flowing out from the ball serving ports when water flows out from the water outlet is arranged in the ball serving ports, and a ball passing prevention filter screen used for preventing the rubber balls from flowing into the water.

Preferably, the control assembly comprises a first control valve arranged between the ball receiving and dispatching cavity and the outer cylinder and used for controlling water inlet of the water inlet and a second control valve arranged between the ball receiving and dispatching cavity and the water outlet pipe and used for controlling water outlet of the water outlet, and the first control valve and the second control valve are both connected with a controller.

More preferably, the service opening and the service opening are oppositely arranged at two sides of the service cavity, the water outlet and the water inlet are oppositely arranged at the top and the bottom of the service cavity, an upper anti-passing ball filter screen for preventing rubber balls from flowing in is arranged in the water outlet, and a lower anti-passing ball filter screen for preventing rubber balls from flowing in is arranged in the water inlet.

Preferably, the control assembly comprises an inner cylinder arranged in the transceiving ball cavity and an electric actuator used for driving the inner cylinder to rotate in the transceiving ball cavity and used for communicating the inner cylinder with the water inlet or communicating the inner cylinder with the water outlet, the electric actuator is connected with a controller, the inner cylinder is provided with an inner cylinder cavity with two open ends, the inner cylinder cavity is communicated with the transceiving ball cavity, and a communication port is arranged on the side wall of the inner cylinder.

More preferably, the ball receiving and dispatching cavity comprises an upper cavity and a lower cavity, the inner cylinder is located in the upper cavity, the water inlet and the water outlet are respectively and oppositely arranged on the side wall of the upper cavity, the ball receiving port and the ball sending port are respectively and oppositely arranged on the side wall of the lower cavity, and the ball passing prevention filter screen is arranged in the lower cavity.

Preferably, the open end of the outer cylinder body is matched with an outer cylinder cover plate.

More preferably, a filter screen is further arranged in the outer cylinder, one end of the filter screen is fixed through a first fixing ring arranged in the outer cylinder, and the other end of the filter screen is connected with the filter cover plate.

Preferably, the ball catching cylinder is matched with the ball catching cover plate, a ball catching filter screen for preventing the rubber balls from entering the water outlet pipe is arranged in the ball catching cylinder, one end of the ball catching filter screen is fixed through a second fixing ring arranged in the ball catching cylinder, and the other end of the ball catching filter screen is connected with the ball catching cover plate.

More preferably, the receiving and dispatching ball cavity is further provided with a viewing mirror opening for observing the condition of the rubber ball in the receiving and dispatching ball cavity and adding and taking out the rubber ball.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides an end cover formula rubber ball belt cleaning device, install in the condenser main part, it flows in the condenser to drive the interior rubber ball of receiving and dispatching ball device through rivers, wash, again in catching the ball barrel and withdrawing the rubber ball to receiving and dispatching ball device, cyclic utilization, whole cleaning machine compact structure, it is simple and reliable, inside need not set up the power pump, but the receiving and dispatching ball through control rubber ball, the entering of controlling high-pressure rivers, power is extremely low, filter screen convenient to detach washs, the pressure loss is little, can prolong the life cycle of product, and be applicable to cold water set condenser and the evaporimeter of head pipe case specification between DN400 to DN 3000.

Drawings

Fig. 1 is a first schematic view of a first embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 2 is a second schematic view of a first embodiment of an end cap type rubber ball cleaning device provided by the present invention;

FIG. 3 is a cross-sectional view A-A of a first embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 4 is a schematic view of a ball receiving and sending device in a first embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 5 is a top view of a ball receiving and sending device in a first embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 6 is a cross-sectional view B-B of a ball receiving and sending device in a first embodiment of an end cap type rubber ball cleaning device according to the present invention;

fig. 7 is a perspective view of the end cap type rubber ball cleaning device provided by the present invention without a filter screen in the first embodiment;

fig. 8 is a cross-sectional view C-C of the end cap type rubber ball cleaning device provided by the present invention without a filter screen in the first embodiment;

fig. 9 is a schematic view of the end cap type rubber ball cleaning device according to the first embodiment of the present invention applied to the main body of the condenser;

fig. 10 is a cross-sectional view of the end cap type rubber ball cleaning device according to the first embodiment of the present invention applied to the main body of the condenser;

fig. 11 is a schematic view of a service state of the end cap type rubber ball cleaning device according to the first embodiment of the present invention applied to the condenser main body;

fig. 12 is a schematic view of a ball collecting state of the end cap type rubber ball cleaning device according to the first embodiment of the present invention applied to the condenser main body;

fig. 13 is a first schematic view of a second embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 14 is a second schematic view of a second embodiment of an end cap type rubber ball cleaning device according to the present invention;

FIG. 15 is a sectional view D-D of a second embodiment of an end cap type rubber ball cleaning device according to the present invention;

fig. 16 is a schematic view of a ball receiving and sending device in a second embodiment of an end cap type rubber ball cleaning device according to the present invention;

fig. 17 is a top view of a ball receiving and sending device in a second embodiment of an end cap type rubber ball cleaning device provided by the present invention;

fig. 18 is a cross-sectional view E-E of a ball receiving and sending device in a second embodiment of an end cap type rubber ball cleaning device according to the present invention;

fig. 19 is a perspective view of the end cap type rubber ball cleaning device without a filter screen according to the second embodiment of the present invention;

fig. 20 is a cross-sectional view F-F of the end cap type rubber ball cleaning device without a filter screen according to the second embodiment of the present invention;

fig. 21 is a schematic view of a second embodiment of an end cap type rubber ball cleaning device according to the present invention applied to a condenser main body;

fig. 22 is a cross-sectional view of the end cap type rubber ball cleaning device according to the second embodiment of the present invention applied to the main body of the condenser;

fig. 23 is a schematic view of a service state of the end cap type rubber ball cleaning device according to the second embodiment of the present invention applied to the condenser main body;

fig. 24 is a schematic view of a ball receiving state of the end cap type rubber ball cleaning device according to the second embodiment of the present invention applied to the condenser main body.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to 12 illustrate a first preferred embodiment of an end cap type rubber ball cleaning device according to the present invention. The end cover type rubber ball cleaning device comprises an end cover channel 10, a water inlet pipe 20 for feeding high-pressure water, a water outlet pipe 30, an outer cylinder 40, a ball catching cylinder 50, a ball receiving and sending device 60 and a control assembly 70 for controlling the ball receiving and sending device to perform ball receiving and sending actions, wherein an upper channel 101 and a lower channel 102 are arranged in the end cover channel 10, the front end of the lower channel 102 is communicated with the outer cylinder 40, the outer cylinder 40 is communicated with the water inlet pipe 20, the front end of the upper channel 101 is communicated with the ball catching cylinder 50, and the ball catching cylinder 50 is communicated with the water outlet pipe 30; the outer cylinder 40 and the ball catching cylinder 50 are both communicated with the ball receiving and sending device 60, the ball receiving and sending device 60 is located on the side of the head tube box 10, the head tube box 10 is provided with a closed end and an open end, the water inlet pipe 20, the water outlet pipe 30, the outer cylinder 40, the ball catching cylinder 50, the ball receiving and sending device 60 and the control component 70 are all arranged on the closed end of the head tube box 10, the open end of the head tube box 10 is in sealing butt joint with the condenser main body 100, water entering from the water inlet pipe 20 drives rubber balls 200 sent out by the ball receiving and sending device 60 to enter the condenser main body 100 to clean the condenser main body 100, then the rubber balls 200 are recovered into the ball receiving and sending device 60 along with water flow returning to the. The head tube box 10 is internally provided with a partition plate 11, and the head tube box is divided into an upper tube box 101 and a lower tube box 102 by the partition plate 11.

The water inlet pipe 20 is communicated with the outer cylinder 40 through a straight pipe and a bent pipe, the water outlet pipe 30 is vertically communicated with the ball catching cylinder 50, and instrument interfaces are arranged on the water inlet pipe 20 and the water outlet pipe 30 and can be used for installing pressure gauges, flow meters and other related instruments. The head pipe box 10 is also provided with a lifting lug for hoisting the pipe box.

The ball receiving and sending device 60 comprises a ball receiving and sending cavity 61, the ball receiving and sending cavity 61 is provided with a ball receiving and sending cavity 611, the ball receiving and sending cavity 61 is provided with a water inlet 62 communicated with the outer cylinder 40 and used for high-pressure water to enter, a water outlet 63 communicated with the water outlet pipe and used for low-pressure water to flow out, a ball sending port 64 connected with the lower pipe box and a ball collecting port 65 communicated with the ball catching cylinder of the upper pipe box and used for ball inflow, a first check valve 651 used for preventing a rubber ball from flowing out of the ball receiving port when high-pressure water enters from the water inlet is arranged in the ball collecting port 65, a second check valve 641 used for preventing the rubber ball from flowing out of the ball sending port when water flows out from the water outlet is arranged in the ball sending port 64, and a ball passing prevention filter screen 66 used for preventing the rubber ball from flowing into the water inlet and the water outlet when.

In the first embodiment, the control assembly 70A includes a first control valve 71A disposed between the ball receiving and dispatching cavity 61 and the outer cylinder 40 for controlling water inflow of the water inlet 62 and a second control valve 72A disposed between the ball receiving and dispatching cavity and the water outlet for controlling water outflow of the water outlet, both the first control valve 71A and the second control valve 72A are connected to a controller 73A, when the first control valve 71A is opened and the second control valve 72A is closed, high pressure water enters the ball receiving and dispatching cavity 61, the pressure inside the ball receiving and dispatching cavity 61 is higher than the external pressure, so that the first check valve 651 is closed, the second check valve 641 is opened, and the rubber ball 200 flows out from the ball outlet 64 along with the water flow, and sequentially enters the outer cylinder 40 and the lower pipe box 102, so as to clean the condenser main body 100; after cleaning, the rubber balls 200 return to the upper channel 101 along with the water flow and enter the ball catching cylinder 50; when the first control valve 71A is closed and the second control valve 72A is opened, the rubber ball 200 returns to the ball receiving and sending cavity 61 along the water flow.

The service port 64 with receive the relative both sides that set up at receiving and dispatching ball cavity 61 of ball mouth 65, delivery port 63 with water inlet 62 sets up the top and the bottom at receiving and dispatching ball cavity relatively, is equipped with in the delivery port 63 to be used for preventing that the gluey ball flows in prevents crossing ball filter screen 661 on, is equipped with in the water inlet 62 to be used for preventing that the gluey ball flows in prevents crossing ball filter screen 662 down, when receiving and dispatching the ball action like this, prevents on the utilization that to cross ball filter screen 661 and prevent down that ball filter screen 662 can prevent that the gluey ball from getting into in delivery port 63 and the water inlet 62.

The ball receiving and dispatching cavity 61 is further provided with a viewing mirror port 612 for observing the condition of the rubber balls in the ball receiving and dispatching cavity 611 and adding and taking out the rubber balls, the viewing mirror port 612 is arranged on the side wall of the ball receiving and dispatching cavity 61, and the viewing mirror port 612 is matched with a cover body for sealing. Since the first control valve 71A and the second control valve 72A are normally closed, the first check valve 651 needs to be manually closed when the ball is taken out, and then the sealing cover body of the viewing port 612 is opened to take out the rubber ball 200, and the order of the ball adding operation and the ball taking operation is just opposite.

The connecting end of the outer cylinder 40 is communicated with the lower pipe box 102, and the open end of the outer cylinder 40 is matched with the outer cylinder cover plate 41. The outer cylinder 40 may or may not have a filter screen therein, but a filter screen 42 is preferred, depending on the needs of the user.

As shown in fig. 3, when the filter screen 42 is disposed, the filter screen 42 can prevent the rubber balls 200 flowing out of the lower hose through the service opening 64 from entering the filter screen 42 of the water inlet hose 20, one end of the filter screen 42 is fixed by the first fixing ring 43 disposed in the outer barrel 40, the other end of the filter screen 42 is connected with the outer barrel cover plate 41, a through hole smaller than the diameter of the rubber ball is disposed on the filter screen 42, and the water flowing in the water inlet hose 20 passes through the filter screen 42 to drive the rubber balls 200 flowing out of the service opening 64 to enter the lower hose box 102; when the outer cylinder 40 needs to be cleaned, the outer cylinder cover plate 41 can be opened, and the filter screen 42 can be taken out for cleaning. In addition, a sewage draining outlet 44 is also arranged on the bottom side wall of the filter outer cylinder body 40, and sewage can be drained through the sewage draining outlet 44. A cross flow stabilizing plate 45 is also arranged in the connecting port of the outer cylinder 40 and the lower pipe box 102. In a preferred embodiment, the outer cylinder of the filter is formed by connecting a straight cylinder and a conical cylinder, the first fixing ring 43 is arranged on the inner surface of the conical cylinder, the filter screen 42 is of a straight cylinder type, the diameter of the filter screen 42 is smaller than that of the straight cylinder, the water inlet pipe 20 is communicated with the straight cylinder, and the ball-serving port 64 is communicated with the conical cylinder through a pipeline.

As shown in fig. 7 and 8, when the filter net is not provided, the front end of the lower tube box 102 communicates with the water inlet pipe 20; the water inlet 63 of the ball receiving and dispatching cavity 61 is communicated with the water inlet pipe 20 for the inflow of high-pressure water.

As shown in fig. 1 to 3, the connecting end of the ball catching cylinder 50 is communicated with the upper tube box 101, the open end of the ball catching cylinder 50 is matched with a ball collecting cover plate 51, a ball collecting filter 52 for preventing rubber balls 200 from entering the water outlet pipe 30 is arranged in the ball catching cylinder 50, one end of the ball collecting filter 52 is fixed through a second fixing ring 53 arranged in the ball catching cylinder 50, the other end of the ball collecting filter 52 is connected with the ball collecting cover plate 51, a through hole smaller than the diameter of the rubber balls is arranged on the ball collecting filter 52, the rubber balls and water flow after the condenser main body 100 is cleaned enter the ball catching cylinder 50 from the upper tube box 101, a part of the water flow flows out from the water outlet pipe 30, and the other part of the water flow drives the rubber balls 200 to enter the ball collecting and distributing cavity 61 from the ball; when the ball-catching cylinder 50 needs to be cleaned, the ball-collecting cover 51 is opened, and the ball-collecting screen 52 is taken out and cleaned. In a preferred embodiment, the ball catching cylinder 50 is in a straight cylinder shape, the ball collecting screen 52 is in a straight cylinder shape, the diameter of the ball collecting screen 52 is smaller than that of the ball catching cylinder 50, and the upper chamber ball inlet passes through the ball collecting cover body 51 through a pipeline to communicate with the inside of the ball catching cylinder 50.

In fig. 9 to 12, the end cap type rubber ball cleaning device is applied to the condenser main body 100, and the specific process of cleaning the condenser main body 100 by the cleaning machine is as follows: 1) no-receive no-transmit state: the first control valve 71A and the second control valve 72A are normally closed, and the first check valve 651 and the second check valve 641 are closed due to the differential pressure; at this time, the ball receiving and sending device 60 is not connected to the outside. 2) Initial serving state: when the first control valve 71A is opened and the second control valve 72A is closed, high-pressure water enters the ball receiving and sending cavity 61, the pressure inside the ball receiving and sending cavity 61 is higher than the external pressure, so that the first check valve 651 is closed, the second check valve 641 is opened, the rubber ball 200 flows out from the ball sending port 64 along with the water flow, and then the rubber ball enters the filter outer cylinder 40 and the lower pipe box 102 in sequence to clean the condenser main body 100; after cleaning, the rubber balls 200 return to the upper channel 101 along with the water flow and enter the ball catching cylinder 50; 3) the ball collecting state: when the valve A is closed and the valve B is opened, the rubber ball 200 returns to the ball receiving and dispatching cavity 61 along the water flow, so that the circulation of ball dispatching and ball receiving is completed.

Fig. 13 to 24 show another preferred embodiment of an end cap type rubber ball cleaning device provided by the invention. The second embodiment is similar in construction to the first embodiment, except that the control assembly 70B, the control component 70B comprises an inner cylinder 71B arranged in the ball receiving and dispatching cavity and an electric actuator 72B used for driving the inner cylinder to rotate in the ball receiving and dispatching cavity and used for communicating the inner cylinder with the water inlet or the water outlet, the electric actuator 72B is connected with a controller 73B, the inner cylinder 71B is provided with an inner cylinder cavity 711B with two open ends, the inner cylinder cavity 711B is communicated with the ball receiving and sending cavity 611, the side wall of the inner cylinder is provided with a communication port 712B, the electric actuator can drive the inner cylinder 71B to rotate so as to realize the communication between the water inlet 62 and the water outlet 63 and the inner cylinder 71B, when the electric actuator 72B drives the inner cylinder 71B to rotate until the communication opening 712B is aligned with the water inlet 62, the high-pressure water passes through the water inlet 62 and the communication port 712B and enters the ball receiving and sending cavity 611; when the electric actuator 72B drives the inner cylinder 71B to rotate until the communication port 712B is aligned with the water outlet 63, the low-pressure water in the ball receiving and delivering chamber 611 flows out of the water outlet 63.

In the second embodiment, the ball receiving and sending cavity 61 is formed by the upper cavity 6101 and the lower cavity 6102 in a sealing butt joint manner, the ball receiving and sending cavity 611 is also correspondingly divided into an upper cavity and a lower cavity, the inner cylinder 71B is located in the upper cavity, the water inlet 62 and the water outlet 63 are respectively and relatively arranged on the side wall of the upper cavity, the ball receiving port 65 and the ball serving port 64 are respectively and relatively arranged on the side wall of the lower cavity, the ball passing prevention filter screen 66 is arranged in the lower cavity, and thus the rubber ball 200 located in the lower cavity cannot enter the upper cavity. When the electric actuator 72B is in an initial state, the inner cylinder 71B is not communicated with the water inlet 62 and the water outlet 63; when the electric actuator 72B drives the inner cylinder 71B to rotate and the water inlet 62 is communicated, high-pressure water enters the inner cylinder cavity 711B, the inner cylinder cavity 711B is communicated with the ball receiving and sending cavity 611, so that the pressure inside the ball receiving and sending cavity 61 is higher than the external pressure, the first check valve 651 in the ball receiving and sending cavity 61 is closed, the second check valve 641 is opened, the rubber balls 200 flow out of the ball sending port 64 along with water flow and sequentially enter the outer cylinder 40 and the lower pipe box 102, and the condenser main body 100 is cleaned; after cleaning, the rubber balls 200 return to the upper channel 101 along with the water flow and enter the ball catching cylinder 50; when the electric actuator 72B drives the communication port 712B on the inner cylinder 71B to rotate and communicate with the water outlet 63, the rubber ball 200 returns to the ball receiving and dispatching cavity 61 along with the water flow.

In the second embodiment, the connection end of the outer cylinder 40 communicates with the lower pipe box 102, and the outer cylinder cover 41 is fitted to the open end of the outer cylinder 40. The outer cylinder 40 may be provided with a filter screen or not according to the user's requirement, but the filter screen 42 is preferably provided.

As shown in fig. 13 to 15, when the filter screen 42 is disposed, the filter screen 42 can prevent the rubber balls 200 flowing out of the lower hose through the service opening 64 from entering the filter screen 42 of the water inlet pipe 20, one end of the filter screen 42 is fixed by the first fixing ring 43 disposed in the outer barrel 40, the other end of the filter screen 42 is connected with the outer barrel cover plate 41, a through hole smaller than the diameter of the rubber ball is disposed on the filter screen 42, and the water flowing in the water inlet pipe 20 passes through the filter screen 42 to drive the rubber balls 200 flowing out of the service opening 64 to enter the lower hose box 102; when the outer cylinder 40 needs to be cleaned, the outer cylinder cover plate 41 can be opened, and the filter screen 42 can be taken out for cleaning. In addition, a sewage draining outlet 44 is also arranged on the bottom side wall of the filter outer cylinder body 40, and sewage can be drained through the sewage draining outlet 44. A cross flow stabilizing plate 45 is also arranged in the connecting port of the outer cylinder 40 and the lower pipe box 102. In a preferred embodiment, the outer cylinder of the filter is formed by connecting a straight cylinder and a conical cylinder, the first fixing ring 43 is arranged on the inner surface of the conical cylinder, the filter screen 42 is of a straight cylinder type, the diameter of the filter screen 42 is smaller than that of the straight cylinder, the water inlet pipe 20 is communicated with the straight cylinder, and the ball-serving port 64 is communicated with the conical cylinder through a pipeline.

As shown in fig. 19 and 20, when the filter net is not provided, the front end of the lower tube box 102 communicates with the water inlet pipe 20; the water inlet 63 of the ball receiving and dispatching cavity 61 is communicated with the water inlet pipe 20 for the inflow of high-pressure water.

As shown in fig. 21 to 24, the end cap type rubber ball cleaning device is applied to the condenser main body 100, and the specific process of cleaning the condenser main body 100 by the cleaning machine is as follows: 1) no-receive no-transmit state: when the electric actuator 72B is in the initial state, the inner cylinder 71B is not communicated with the water inlet 62 and the water outlet 63, and due to the pressure difference, the first check valve 651 and the second check valve 641 are closed, and at this time, the ball receiving and dispatching device 60 is not communicated with the outside. 2) Initial serving state: when the electric actuator 72B drives the communication port 712B on the inner cylinder 71B to rotate and communicate with the water inlet 62, high-pressure water enters the inner cylinder cavity 711B, the inner cylinder cavity 711B is communicated with the ball receiving and sending cavity 611, so that the pressure inside the ball receiving and sending cavity 61 is higher than the external pressure, the first check valve 651 in the ball receiving and sending cavity is closed, the second check valve 641 is opened, the rubber balls 200 flow out of the ball sending port 64 along with water flow and sequentially enter the outer cylinder 40 and the lower pipe box 102, and the condenser main body 100 is cleaned; after cleaning, the rubber balls 200 return to the upper channel 101 along with the water flow and enter the ball catching cylinder 50; 3) the ball collecting state: when the electric actuator drives the inner cylinder 71B to rotate and communicate with the water outlet 63, the rubber ball 200 returns to the ball receiving and dispatching cavity 61 along with water flow, and thus the circulation of ball sending and receiving is completed.

To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.

Claims

1. An end cover type rubber ball cleaning device comprises an end cover channel, a water outlet pipe and a water inlet pipe for feeding high-pressure water, and is characterized by further comprising an outer cylinder, a ball catching cylinder, a ball receiving and sending device and a control assembly for controlling the ball receiving and sending device to perform ball receiving and sending actions, wherein an upper channel and a lower channel are arranged in the end cover channel, the front end of the lower channel is communicated with the outer cylinder, the outer cylinder is communicated with the water inlet pipe, the front end of the upper channel is communicated with the ball catching cylinder, and the ball catching cylinder is communicated with the water outlet pipe; the receiving and dispatching ball device comprises a receiving and dispatching ball cavity body, the receiving and dispatching ball cavity body is provided with a receiving and dispatching ball cavity, the receiving and dispatching ball cavity body is provided with a water inlet communicated with an outer barrel body and used for high-pressure water to enter, a water outlet communicated with a water outlet pipe and used for low-pressure water to flow out, a ball serving port connected with a lower pipe box and a ball catching barrel body communicated with an upper pipe box and used for ball receiving ports for ball inflow along with water, a first check valve used for preventing rubber balls from flowing out from the ball receiving ports when high-pressure water enters from the water inlet is arranged in the ball receiving ports, a second check valve used for preventing the rubber balls from flowing out from the ball serving ports when water flows out from the water outlet is arranged in the ball serving ports, and a ball passing prevention filter screen used for preventing the rubber balls from flowing into the water.

2. The end cap type rubber ball cleaning device of claim 1, wherein: the control assembly comprises a first control valve arranged between the ball receiving and dispatching cavity and the outer barrel and used for controlling water inlet of the water inlet and a second control valve arranged between the ball receiving and dispatching cavity and the water outlet pipe and used for controlling water outlet of the water outlet, and the first control valve and the second control valve are connected with a controller.

3. The end cap type rubber ball cleaning device of claim 2, wherein: the service port with receive the relative both sides that set up at the receipts service cavity of ball mouth, the delivery port with the water inlet sets up the top and the bottom at the receipts service cavity relatively, is equipped with in the delivery port to be used for preventing the last ball filter screen of preventing that the glueballs from flowing in, is equipped with in the water inlet to be used for preventing the lower ball filter screen of preventing that the glueballs from flowing in.

4. The end cap type rubber ball cleaning device of claim 1, wherein: the control assembly comprises an inner barrel arranged in the receiving and dispatching ball cavity and an electric actuator used for driving the inner barrel to rotate in the receiving and dispatching ball cavity and used for communicating the inner barrel with a water inlet or communicating the inner barrel with a water outlet, the electric actuator is connected with a controller, the inner barrel is provided with an inner barrel cavity with two open ends, the inner barrel cavity is communicated with the receiving and dispatching ball cavity, and a communication port is formed in the side wall of the inner barrel.

5. The end cap type rubber ball cleaning device of claim 4, wherein: the ball receiving and sending cavity comprises an upper cavity and a lower cavity, the inner barrel is located in the upper cavity, the water inlet and the water outlet are respectively and oppositely arranged on the side wall located in the upper cavity, the ball receiving port and the ball sending port are respectively and oppositely arranged on the side wall located in the lower cavity, and the ball passing prevention filter screen is arranged in the lower cavity.

6. The end cap type rubber ball cleaning device as claimed in any one of claims 2 or 4, wherein: the open end of the outer cylinder body is matched with an outer cylinder cover plate.

7. The end cap type rubber ball cleaning device of claim 6, wherein: the outer barrel is internally provided with a filter screen, one end of the filter screen is fixed through a first fixing ring arranged in the outer barrel, and the other end of the filter screen is connected with a filter cover plate.

8. The end cap type rubber ball cleaning device as claimed in any one of claims 2 or 4, wherein: the ball catching cylinder is matched with the ball catching cover plate, a ball catching filter screen for preventing rubber balls from entering the water outlet pipe is arranged in the ball catching cylinder, one end of the ball catching filter screen is fixed through a second fixing ring arranged in the ball catching cylinder, and the other end of the ball catching filter screen is connected with the ball catching cover plate.

9. The end cap type rubber ball cleaning device as claimed in any one of claims 2 or 4, wherein: the receiving and dispatching ball cavity is also provided with a sight glass port for observing the condition of the rubber balls in the receiving and dispatching ball cavity and adding and taking out the rubber balls.