CN113804048B - Pipeline cleaning device and water chilling unit - Google Patents

Pipeline cleaning device and water chilling unit Download PDF

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Publication number
CN113804048B
CN113804048B CN202010553882.XA CN202010553882A CN113804048B CN 113804048 B CN113804048 B CN 113804048B CN 202010553882 A CN202010553882 A CN 202010553882A CN 113804048 B CN113804048 B CN 113804048B
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China
Prior art keywords
pipeline
piece
water outlet
water inlet
pipe
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CN113804048A (en
Inventor
王力
陆海龙
陈改芳
周登青
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Chongqing Midea General Refrigeration Equipment Co Ltd
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Chongqing Midea General Refrigeration Equipment Co Ltd
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Priority to CN202010553882.XA priority Critical patent/CN113804048B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/003—Control arrangements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)

Abstract

The invention provides a pipeline cleaning device and a water chilling unit, wherein the pipeline cleaning device comprises: the water inlet pipe is used for being connected with a water inlet of the pipeline to be cleaned, and the water outlet pipe is used for being connected with a water outlet of the pipeline to be cleaned; the bypass pipeline is internally provided with a movable adjusting piece, the space in the bypass pipeline is divided into at least two chambers by the adjusting piece, and the water inlet pipe and the water outlet pipe are respectively communicated with one chamber; the flushing piece can flow in the water inlet pipe, the pipeline to be cleaned and the water outlet pipe. According to the technical scheme, the flushing part can be driven to move in the pipeline to be cleaned without arranging an additional power source so as to realize cleaning.

Description

Pipeline cleaning device and water chilling unit
Technical Field
The invention relates to the technical field of heat exchange unit equipment, in particular to a pipeline cleaning device and a water chilling unit.
Background
At present, in some waterway equipment, pipeline cleaning is a great difficulty, and in the prior art, pipelines are often cleaned through an external water pump and corresponding cleaning pipelines, however, after the external water pump and the cleaning pipelines, on one hand, the water pump consumes extra energy during working, and on the other hand, the pipelines can be prolonged due to the existence of the cleaning pipelines, so that the resistance in the cleaning process is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
Accordingly, an object of the present invention is to provide a pipeline cleaning device.
Another object of the present invention is to provide a water chiller.
In order to achieve at least one of the above objects, according to a first aspect of the present invention, there is provided a pipe cleaning apparatus comprising: the water inlet pipe is used for being connected with a water inlet of the pipeline to be cleaned, and the water outlet pipe is used for being connected with a water outlet of the pipeline to be cleaned; the bypass pipeline is internally provided with a movable adjusting piece, the space in the bypass pipeline is divided into at least two chambers by the adjusting piece, and the water inlet pipe and the water outlet pipe are respectively communicated with one chamber; the flushing piece can flow in the water inlet pipe, the pipeline to be cleaned and the water outlet pipe.
According to the invention, the pipeline cleaning device comprises the water inlet pipe, the water outlet pipe and the bypass pipeline, wherein the water inlet pipe and the water outlet pipe can be respectively connected with the water inlet and the water outlet of the pipeline to be cleaned, so that water can flow from the water inlet pipe to the water outlet through the pipeline to be cleaned, specifically, the bypass pipeline can form at least two chambers on the basis of arranging the adjusting piece, the water inlet pipe and the water outlet pipe are respectively communicated with one chamber, when fluid exists in the pipeline, the flushing piece can flow back to the water outlet through the pipeline to be cleaned along with the water inlet pipe through the pipeline to be cleaned through arranging the flushing piece, so that the pipeline cleaning is realized.
It should be noted that the number of the water inlet pipe and the water outlet pipe may be one or more, and the chambers in the bypass pipeline correspond to the number of the water inlet pipe and the water outlet pipe, and in general, fluid in one water inlet pipe may be discharged outwards through two chambers in the bypass pipeline via the water outlet pipe.
Wherein the adjusting member is movable between a position in which it communicates with the bypass line and a position in which it is disconnected from the bypass line, in particular, the adjusting member is rotatable in the bypass line or retractable in the bypass line.
In the above technical scheme, the water inlet pipe is arranged below the water outlet pipe.
In this technical scheme, through locating the below of outlet pipe with the inlet tube, can satisfy heat transfer theory, fluid flows from bottom to top, produces countercurrent to strengthen the heat transfer effect, certainly, set up the basis of washing away the piece in the pipe, still can improve the clean effect of pipeline inner wall.
In the above technical scheme, the water inlet pipe and the water outlet pipe are respectively connected with the bypass pipeline at positions with height difference, and the adjusting piece can be opened under the action of gravity when the flushing piece flows to the bypass pipeline through the water outlet pipe, so that at least two chambers are communicated.
In the technical scheme, the height of the position where the bypass pipeline is connected with the water inlet pipe is different from the height of the position where the bypass pipeline is connected with the water outlet pipe, namely, the height difference exists between the bypass pipeline and the water outlet pipe, and on the basis that the water inlet pipe is arranged below the water outlet pipe, the adjusting piece can be opened under the action of gravity when the flushing piece finishes cleaning the pipeline to be cleaned, so that the flushing piece can smoothly flow back to the water inlet pipe.
The gravity action of the adjusting member includes the gravity of the adjusting member, the gravity of the fluid and the gravity of the flushing member.
In the above technical solution, further includes: the shielding piece is arranged in the water outlet pipe, and the flushing piece can move to the shielding piece and flow to the bypass pipeline under the action of the shielding piece.
In the technical scheme, a shielding piece for preventing the flushing piece from continuously moving is further arranged in the water outlet pipe, so that the flushing piece is stopped and guided to the bypass pipeline when the flushing piece moves to the water outlet pipe, and the flushing piece is conveniently taken out or re-flushed through the bypass pipeline in the follow-up operation, and the flushing piece is prevented from moving to other areas and is difficult to recycle.
In the technical scheme, at least one end of the water inlet pipe is provided with a first connecting flange used for being connected with the water inlet, and at least one end of the water outlet pipe is provided with a second connecting flange used for being connected with the water outlet.
In the technical scheme, one end or two ends of the water inlet pipe are connected with the water inlet through the first connecting flanges, and likewise, one end or two ends of the water outlet pipe are provided with the second connecting flanges, so that one end or two ends of the water outlet pipe are connected with the water outlet, and the stability of pipeline connection is improved through the flanges.
In the technical scheme, the flushing piece is spherical, the diameter of the flushing piece is not larger than the minimum inner diameter of the water inlet pipe, and the diameter of the flushing piece is not larger than the minimum inner diameter of the water outlet pipe.
In the technical scheme, the flushing piece is limited to be spherical, so that the flushing piece is more beneficial to moving in the pipeline, and it can be understood that the pipeline can select a circular pipe for ensuring certain flow, and when the pipeline turns to a certain degree, the spherical flushing piece can be contacted with the inner wall of the pipeline to remove dirt, and the diameter of the flushing piece is required to be smaller than or equal to the minimum inner diameter of the water inlet pipe and the minimum inner diameter of the water outlet pipe, so that the normal flow of the flushing piece in the pipeline is ensured, and the possibility that the flushing piece flows to the middle part of the pipeline and is blocked is reduced.
In the above technical solution, further includes: a placing port arranged at one end of the bypass pipeline; the plate is detachably connected with the placing opening and can be detached from the placing opening for placing the scouring piece.
In this technical scheme, be equipped with at the one end of bypass pipeline and place the mouth, through with the plate with place the mouth and dismantle the connection, can provide the space of placing and taking out for the washing piece, specifically, when getting to put the washing piece, will be put into the plate and wash the piece or take out after washing the piece, with the plate connection to place the mouth again to accomplish whole cleaning action.
In the above technical scheme, when the plate is detached from the placement opening, the adjusting member disconnects the communication of at least two chambers.
In the technical scheme, when the plate is detached through the placement opening, the adjusting piece is positioned at the position of disconnecting the cavity, so that fluid in the water inlet pipe and the flushing piece can flow through the pipeline to be cleaned together, in other words, when the adjusting piece is communicated with the cavity, the fluid of the water inlet pipe can directly flow to the water outlet pipe through the bypass pipeline, and the pipeline to be cleaned cannot be cleaned.
In the above technical solution, further includes: and the controller is arranged at the other end of the bypass pipeline and is in transmission connection with the regulating piece, and the controller can control the movement of the regulating piece.
In the technical scheme, the controller is arranged at one end of the bypass pipeline, so that the control of the regulating element can be realized, specifically, the regulating element can influence the flow among a plurality of chambers in the bypass pipeline in the moving process, generally, fluid flows from the chamber communicated with the water inlet pipe to the chamber communicated with the water outlet pipe, and under the action of the controller, the flushing element can be taken out to control the movement of the regulating element according to the requirement.
According to a second aspect of the present invention, there is provided a water chiller, including: the unit shell is internally provided with a condenser, and a heat exchange pipeline is arranged on the condenser; any one of the above-mentioned pipeline cleaning devices in the first aspect is disposed at one end of the unit housing, and the water inlet pipe and the water outlet pipe of the pipeline cleaning device are respectively communicated with the inlet and the outlet of the heat exchange pipeline.
According to the technical scheme of the second aspect of the invention, the water chilling unit comprises a unit shell and a pipeline cleaning device arranged at one end of the unit shell, a condenser and a heat exchange pipeline are arranged in the unit shell, and a water inlet pipe and a water outlet pipe of the pipeline cleaning device are respectively communicated with an inlet and an outlet of the heat exchange pipeline, so that fluid can flow into the heat exchange pipeline through the water inlet pipe and the inlet and flow to the water outlet pipe from the outlet.
In addition, since the water chiller includes the pipe cleaning device according to any of the above-mentioned technical solutions, any of the technical effects of the above-mentioned first technical solutions is provided, and will not be described herein again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
FIG. 1 shows a schematic construction of a pipe cleaning apparatus according to an embodiment of the present invention;
FIG. 2 shows a schematic structural view of a water chiller according to an embodiment of the present invention;
fig. 3 illustrates a schematic front view of a water chiller according to an embodiment of the present invention.
Wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:
14 inlet pipe, 142 first flange, 16 outlet pipe, 162 second flange, 18 bypass line, 20 regulator, 22 controller, 30 flush, 32 shield, 34 unit housing.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Some embodiments of the present invention are described below with reference to fig. 1 to 3.
Example 1
As shown in fig. 1, according to one embodiment of the present invention, there is provided a pipe cleaning apparatus including a water inlet pipe 14, a water outlet pipe 16, and a bypass pipe 18, wherein the water inlet pipe 14 and the water outlet pipe 16 are connected to a water inlet and a water outlet of a pipe to be cleaned, at least two chambers divided by an adjusting member 20 are provided in the bypass pipe 18, one of the chambers is connected to the water inlet pipe 14, and one of the chambers is connected to the water outlet pipe 16, and the adjusting member 20 is movable in the bypass pipe 18 to connect or disconnect the at least two chambers.
A spherical flushing piece 30 is arranged in the pipeline cleaning device and can flow back to the water outlet along with the fluid from the water inlet pipe 14 through the pipeline to be cleaned, thereby realizing the cleaning of the pipeline.
Wherein, inlet tube 14 locates the below of outlet pipe 16, can satisfy the theory of heat transfer, and the fluid flows from bottom to top, produces countercurrent to reinforcing heat transfer effect and the clean effect of pipeline inner wall.
In one embodiment, the regulator 20 is movable by rotation between a position in which it communicates with the bypass line 18 and a position in which it disconnects the bypass line 18.
In another embodiment, the regulator 20 is movable by telescoping between a position in which it communicates with the bypass line 18 and a position in which it disconnects the bypass line 18.
Wherein, when the flushing member 30 is taken and placed, the space is realized through a placing opening arranged at one end of the bypass pipeline 18 and a corresponding plate.
Example 2
On the basis of embodiment 1, as shown in fig. 1, in order to improve the intelligence of the movement of the adjusting member 20, a controller 22 is provided, wherein the controller 22 is disposed at one end of the bypass pipeline 18, and is in transmission connection with the adjusting member 20, the adjusting member 20 can be controlled to move under the action of the controller 22, and the adjusting member 20 can affect the flow between a plurality of chambers in the bypass pipeline 18 in the moving process, generally, the fluid flows from the chamber communicated with the water inlet pipe 14 to the chamber communicated with the water outlet pipe 16, so that under the action of the controller 22, the flushing member 30 can be taken out according to whether the flushing member 30 needs to be moved to control the movement of the adjusting member 20.
Further, a first connection flange 142 is provided at the end of the inlet pipe 14 near the water inlet, and a second connection flange 162 is provided at the end of the outlet pipe 16 near the water outlet, so as to increase the stability of the pipeline connection.
Example 3
According to one embodiment of the present invention, a pipeline cleaning device is provided, comprising a water inlet pipe 14, a water outlet pipe 16 and a bypass pipeline 18, wherein the water inlet pipe 14 and the water outlet pipe 16 are used for being connected with a water inlet and a water outlet of a pipeline to be cleaned, at least two chambers divided by an adjusting piece 20 are arranged in the bypass pipeline 18, one chamber is connected with the water inlet pipe 14, and one chamber is connected with the water outlet pipe 16, and the adjusting piece 20 can move in the bypass pipeline 18 to connect or disconnect the connection of the at least two chambers.
A spherical flushing piece 30 is arranged in the pipeline cleaning device and can flow back to the water outlet along with the fluid from the water inlet pipe 14 through the pipeline to be cleaned, thereby realizing the cleaning of the pipeline.
In one particular embodiment, the inner diameters of inlet tube 14 and outlet tube 16 are the same and both are straight tubes, and the diameter of flush member 30 is less than or equal to the inner diameter of inlet tube 14.
In another particular embodiment, the inner diameters of the inlet pipe 14 and the outlet pipe 16 are different and both are straight pipes, and the diameter of the flushing member 30 is less than or equal to the smaller of the two inner diameters.
In another particular embodiment, there is a variation in the inner diameter of one or both of inlet pipe 14 and outlet pipe 16, with the diameter of flush member 30 being less than or equal to the minimum inner diameter of both.
The height of the position where the bypass pipeline 18 is connected with the water inlet pipe 14 is different from the height of the position where the bypass pipeline 18 is connected with the water outlet pipe 16, that is, the height difference exists between the two, on the basis that the water inlet pipe 14 is arranged below the water outlet pipe 16, the adjusting piece 20 can be opened under the combined action of the gravity of the adjusting piece 20, the gravity of fluid and the gravity of the flushing piece 30 when the flushing piece 30 finishes cleaning the pipeline to be cleaned, so that the flushing piece 30 can smoothly flow back to the water inlet pipe 14.
Of course, it is understood that the greater the number of flushing members 30, the better the cleaning of the line to be cleaned.
Further, since the flushing member 30 moves along with the water flow, a shield member 32 for guiding may be provided in the water outlet pipe 16 to stop and guide the flushing member 30 to the bypass line 18 when flowing back to the water outlet pipe 16.
Example 4
As shown in fig. 2 and 3, an embodiment of the present invention proposes a water chiller, which includes a unit housing 34 and a pipe cleaning device according to any of the above embodiments, wherein the pipe cleaning device is disposed at one end of the unit housing 34, and a condenser and a heat exchange pipe are disposed in the unit housing 34, and a water inlet pipe 14 and a water outlet pipe 16 of the pipe cleaning device are respectively connected to an inlet and an outlet of the heat exchange pipe, so that fluid can flow into the heat exchange pipe through the water inlet pipe 14 and the inlet, and flow from the outlet to the water outlet pipe 16.
On the basis of the fluid flowing through the heat exchange pipeline, if the inner wall of the pipeline needs to be cleaned, one or more spherical flushing pieces 30 can be placed in the water inlet pipe 14 according to the dirt amount, and the moving path of the flushing pieces 30 is the same as the flow direction of the water flow.
It will be appreciated that if there is a large scale on the inner wall of the pipe, the inner wall of the pipe may be flushed manually, and the flushing member 30 may be placed in the inlet pipe 14 after the large scale is removed.
Wherein the path of movement of the flushing member 30 is indicated by the arrow in fig. 3.
Example 5
According to one embodiment of the present invention, a water chiller for a central air conditioner is provided, which includes a water inlet pipe 14, a water outlet pipe 16, a to-be-cleaned pipeline, a bypass pipeline 18 and a flushing member 30, wherein a flat plate (i.e. a plate member) is detached at one end of the bypass pipeline 18, a cleaning rubber ball (i.e. the flushing member 30) is added, the rubber ball enters a condenser from a water inlet of the condenser under the driving of water flow and then reaches a water outlet of the condenser, an electric actuator (i.e. a controller 22 controls an adjusting member 20) to rotate to a designated position, and recovery of the rubber ball is realized under the action of a ball blocking net (i.e. a shielding member 32), so as to complete one cycle of cleaning action.
When the ball is served, the middle partition plate (namely the adjusting piece 20) is closed, so that the rubber balls are guaranteed to be completely sent out and enter the condenser, and when the ball is received, the middle partition plate is opened under the action of self gravity, and the rubber balls return to the ball serving position from the upper end and are ready for the next cycle.
Through the embodiment, on one hand, the fouling coefficient of the condenser in the water chilling unit can be effectively reduced, the heat exchange effect of the whole machine is improved, the high-pressure fault is avoided, the running stability of the unit is improved, on the other hand, the scouring piece 30 does not need an extra power source, the product cost can be reduced, in addition, the water resistance and the system pressure loss can be reduced due to the shorter length of the water inlet pipe 14 and the water outlet pipe 16 of the pipeline cleaning device, and the whole device can be directly connected with the condenser without extra occupied area.
Through the pipeline cleaning device and the water chilling unit provided by the invention, the flushing piece can be driven to move in the pipeline to be cleaned without arranging an additional power source so as to realize cleaning.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means at least two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A pipeline cleaning device, comprising:
The water inlet pipe is used for being connected with a water inlet of the pipeline to be cleaned, and the water outlet pipe is used for being connected with a water outlet of the pipeline to be cleaned;
the bypass pipeline is internally provided with a movable adjusting piece, the space in the bypass pipeline is divided into at least two chambers by the adjusting piece, and the water inlet pipe and the water outlet pipe are respectively communicated with the at least two chambers;
the flushing piece can flow in the water inlet pipe, the pipeline to be cleaned and the water outlet pipe;
At least one end of the water inlet pipe is provided with a first connecting flange used for being connected with the water inlet, and at least one end of the water outlet pipe is provided with a second connecting flange used for being connected with the water outlet;
A placement port arranged at one end of the bypass pipeline;
A plate detachably connected with the placing opening, wherein the plate can be detached from the placing opening for placing the scouring piece;
When the plate is detached from the placement opening, the adjusting piece disconnects at least two chambers;
And the controller is arranged at the other end of the bypass pipeline and is in transmission connection with the regulating piece, and the controller can control the movement of the regulating piece.
2. The line cleaning apparatus of claim 1, wherein the inlet line is disposed below the outlet line.
3. The line cleaning apparatus of claim 2 wherein there is a difference in height between the locations at which the inlet and outlet lines are connected to the bypass line, respectively, the regulator being capable of opening under gravity to allow communication between at least two of the chambers when the flushing element flows through the outlet line to the bypass line.
4. The line cleaning apparatus of claim 2, further comprising:
The shielding piece is arranged in the water outlet pipe, and the flushing piece can move to the shielding piece and flow to the bypass pipeline under the action of the shielding piece.
5. The line cleaning apparatus of claim 1, wherein the flushing member is spherical, the diameter of the flushing member is no greater than the minimum internal diameter of the inlet pipe, and the diameter of the flushing member is no greater than the minimum internal diameter of the outlet pipe.
6. A chiller, comprising:
the unit comprises a unit shell, wherein a condenser is arranged in the unit shell, and a heat exchange pipeline is arranged on the condenser;
The pipeline cleaning device according to any one of claims 1 to 5, which is arranged at one end of the unit housing, and a water inlet pipe and a water outlet pipe of the pipeline cleaning device are respectively communicated with an inlet and an outlet of the heat exchange pipeline.
CN202010553882.XA 2020-06-17 2020-06-17 Pipeline cleaning device and water chilling unit Active CN113804048B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010553882.XA CN113804048B (en) 2020-06-17 2020-06-17 Pipeline cleaning device and water chilling unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010553882.XA CN113804048B (en) 2020-06-17 2020-06-17 Pipeline cleaning device and water chilling unit

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Publication Number Publication Date
CN113804048A CN113804048A (en) 2021-12-17
CN113804048B true CN113804048B (en) 2024-05-28

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944136A (en) * 2012-12-09 2013-02-27 深圳市福尔沃机电设备有限公司 On-line cleaning system and cleaning method for central air-conditioning condenser
CN103278038A (en) * 2013-05-16 2013-09-04 江苏昊隆换热器有限公司 Novel plate heat exchanger
CN203711420U (en) * 2013-12-27 2014-07-16 上海朗思人居建筑科技服务有限公司 Water pipe cleaning device used for large-scale air conditioning unit
CN104880122A (en) * 2015-06-15 2015-09-02 天津大学 Unpowered device capable of realizing automatic online cleaning of condenser through rubber balls

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944136A (en) * 2012-12-09 2013-02-27 深圳市福尔沃机电设备有限公司 On-line cleaning system and cleaning method for central air-conditioning condenser
CN103278038A (en) * 2013-05-16 2013-09-04 江苏昊隆换热器有限公司 Novel plate heat exchanger
CN203711420U (en) * 2013-12-27 2014-07-16 上海朗思人居建筑科技服务有限公司 Water pipe cleaning device used for large-scale air conditioning unit
CN104880122A (en) * 2015-06-15 2015-09-02 天津大学 Unpowered device capable of realizing automatic online cleaning of condenser through rubber balls

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