CN115653739A - Multi-pipeline isolation type cooling equipment for cooling engine - Google Patents

Abstract

The invention relates to an engine, in particular to a multi-pipeline isolation type cooling device for cooling the engine. It includes the engine body, and the engine body includes internals and cooling subassembly. According to the invention, the outer side of the rotating core is cooled to ensure constant temperature of the rotating core, the inner veneers are mutually independent, different area positions of the rotating core are cooled, the resource utilization rate is improved, the condensation effect is increased, the cooled condensate is pumped out by a liquid pump at the inner end of the liquid accumulation pipe and flows to the inner end of the condensation pipe through the connecting pipe, the condensation pipe processes the cooled condensate, the processed condensate is transmitted to the inner end of the liquid accumulation pipe through the other end of the connecting pipe, the liquid accumulation pipe continuously carries out secondary cooling on the rotating core in operation, and the secondary cooling is cyclically carried out, so that a continuous cooling source is provided for the rotating core, the normal operation of the rotating core is ensured, and the abrasion of the rotating core is reduced.

Description

Multi-pipeline isolation type cooling equipment for cooling engine

Technical Field

The invention relates to an engine, in particular to a multi-pipeline isolation type cooling device for cooling the engine.

Background

The aero-engine is a highly complex and precise thermal machine, as the heart of the aircraft, not only is the power of the aircraft flying, but also is an important driving force for promoting the development of aviation industry, every important change in human aviation history is inseparable with the technical progress of the aero-engine, after the development of hundreds of years, the aero-engine has been developed into a mature product with extremely high reliability, the aero-engine in use comprises various types such as a turbojet/turbofan engine, a turboshaft/turboprop engine, a ram engine and a piston engine, and the aero-engine not only serves as the power of military and civil aircraft, unmanned aerial vehicles and cruise missiles for various purposes, but also is widely applied to the fields such as ground power generation, marine power, mobile power stations, natural gas and petroleum pipeline pump stations and the like by utilizing the gas turbine derived from the aero-engine.

However, the disadvantages of the aero-engine are obvious, such as severe abrasion and short service life of parts, which are caused by the fact that the aero-engine has high friction between a shaft and a gear during rotation, and generates high heat energy, so that the temperature inside the aero-engine is continuously increased, the temperature around the parts is increased, and the service life of the aero-engine is affected, and therefore, a multi-pipeline isolation type cooling device for cooling the engine is needed.

Disclosure of Invention

It is an object of the present invention to provide a multi-channel isolation type cooling apparatus for engine cooling that solves the problems set forth in the background art described above.

For realizing above-mentioned purpose, a be used for engine cooling's multicircuit isolated cooling arrangement is provided, including the engine body, the engine body includes internals, internals includes the shell, shell the inner is hollow structure, shell the inner is provided with changes the core, the engine body still includes the cooling subassembly, the cooling subassembly includes the go-between, the go-between sets up shell the inner one side, go-between the inner is provided with a plurality of cavitys, the go-between side is connected with a plurality of interior flitchs, the inside runner that has the circulation of air of interior flitch, the built-in liquid pump of runner, interior flitch be provided with outward with the connecting pipe that the runner is connected, be provided with the condenser pipe on the connecting pipe, intercommunication formation circulation channel between cavity, connecting pipe, condenser pipe and the runner.

As a further improvement of the technical solution, the flow channel includes an inner groove, the inner groove is communicated with the cavity, the inner groove is formed at the inner end of the inner attachment plate, the flow channel further includes a liquid accumulating pipe for storing condensate, the liquid accumulating pipe is arranged at the inner end of the inner groove, a circulating pipeline is formed between the liquid accumulating pipe and the connecting pipe, the condensing pipe, and the liquid pump is arranged at the inner end of the liquid accumulating pipe.

As a further improvement of the technical scheme, a supporting ring is sleeved on the rotary core, the supporting ring and the rotary core are coaxially connected, the outer side of the supporting ring is attached to the inner wall of each inner flitch, a sliding groove is formed in the inner side of the supporting ring, a plurality of balls are arranged at the inner end of the sliding groove, and the balls and the rotary core are in rolling connection.

As a further improvement of the technical scheme, the middle position of the inner flitch is of a cambered surface structure, and the shape of the middle position structure of the inner flitch is kept to be matched with that of the middle inner wall of the shell.

As a further improvement of the technical scheme, a plurality of air outlet holes are formed in the inner wall of the inner pasting plate and are communicated with the inner end of the inner groove.

As a further improvement of the technical scheme, an inner ring is arranged on the inner side of the connecting ring, the inner side of the inner ring is coaxially connected with the rotating core, a plurality of turntables are arranged on the outer side of the inner ring, the turntables are arranged at the inner end of the connecting ring cavity, the outer sides of the turntables are meshed and connected with the outer side of the inner ring, the side surfaces of the turntables are coaxially connected with the blades, a plurality of air inlets are formed in the connecting ring at positions close to the outer sides of the blades, and the air inlets are communicated with the connecting ring cavity.

As a further improvement of the technical scheme, a plurality of lantern rings are arranged at the inner end of the connecting ring cavity, the bottom end of each lantern ring is fixed at the inner end of the connecting ring cavity, and the top end of each lantern ring is in sleeve joint with the outer side of the liquid accumulating pipe.

As a further improvement of the technical scheme, a supporting device is sleeved outside the internal component, the supporting device comprises a pair of clamping rings, the two clamping rings are respectively sleeved outside two ends of the shell, a plurality of connecting arc plates are connected between the two clamping rings, and the connecting arc plates cover the connecting pipe and the outer side of the condensing pipe.

As a further improvement of the technical scheme, a plurality of vent grooves are formed in the outer side of the connecting arc plate, and the vent grooves are arranged at equal intervals.

As a further improvement of the technical scheme, the bottom ends of the two clamping rings are provided with backing plates.

Compared with the prior art, the invention has the following beneficial effects:

1. this be arranged in engine cooling's multi-pipe isolated cooling device, the condensate of each inner accumulation of hydrops pipe gives off air conditioning to interior flitch outer end, air conditioning reachs the go-between outside through the circulation of air, cool down the handling outside the rotor, guarantee to change core constancy of temperature, each inner flitch is mutually independent, cool down the handling to different regional positions of rotor, improve resource utilization, increase the condensation effect, condensate after the cooling is taken out through the inner liquid pump of hydrops pipe, flow to condenser pipe inner through the connecting tube, the condenser pipe is handled the condensate after the cooling, transmit the condensate after handling to hydrops pipe inner through the connecting tube other end, the hydrops pipe continues to carry out the secondary cooling to the rotor that is moving, the circulation is reciprocal, provide the source of continuous cooling for the rotor, guarantee rotor normal operating, reduce rotor wearing and tearing.

2. This be arranged in engine cooling's multi-channel isolated cooling arrangement, keep apart between the interior flitch and the commentaries on classics core through the bracer that sets up, make and change and remain certain space throughout between core and the interior flitch, guarantee to change the core and rotate the in-process, keep safe position relatively between gear and the interior flitch inner wall, reduce wear improves both life.

3. This be arranged in engine cooling's multi-channel isolated cooling device, realize changeing core fixed point position cooling function through the venthole that sets up, carry out fixed point cooling treatment to gear joint on the commentaries on classics core, increase and change gear joint cooling range on the core, from the regulation and control of carrying out the temperature in the source, reduce the outside diffusion volume of heat, improve cooling efficiency.

4. This be arranged in engine cooling's multi-channel isolated cooling device carries out locate function to the hydrops pipe through the lantern ring that sets up, because the go-between is rotating the in-process, produce great amplitude very easily, can lead to the hydrops pipe position to squint in the vibrations process, can make the initial cooling position of hydrops pipe skew in the past for a long time, can't the accuracy carry out fixed point cooling function to the go-between, cooling efficiency is discounted greatly, the air current that the leaf fan rotated the in-process to produce simultaneously also can cause the influence to the hydrops pipe position, carry out spacing processing to the hydrops pipe through the lantern ring this moment, the lantern ring is fixed hydrops pipe one end in the go-between cavity the inner, make the hydrops pipe position keep invariable.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is an exploded perspective view of the whole structure of embodiment 1 of the present invention;

fig. 3 is a sectional view of the engine body structure of embodiment 1 of the invention;

FIG. 4 is a structural sectional view of an internal member in embodiment 1 of the invention;

FIG. 5 is a schematic structural diagram of a supporting ring according to embodiment 1 of the present invention;

FIG. 6 is a sectional view of a cooling module according to embodiment 1 of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6A in accordance with embodiment 1 of the present invention;

FIG. 8 is an enlarged view of a portion of the portion B in FIG. 6 in accordance with embodiment 1 of the present invention;

fig. 9 is a schematic diagram of an inner patch structure according to embodiment 1 of the present invention;

fig. 10 is a schematic structural view of a supporting device in embodiment 1 of the present invention.

The various reference numbers in the figures mean:

10. an engine body; 110. an inner member; 111. a housing; 112. rotating the core; 113. a branch ring; 1131. a ball bearing; 120. a cooling assembly; 121. a connecting ring; 1211. an air inlet; 122. an inner pasting plate; 1221. an inner tank; 1222. an air outlet; 123. a connecting pipe; 124. a condenser tube; 125. an inner ring; 126. a turntable; 127. a leaf fan; 128. a liquid accumulating pipe; 129. a collar;

20. a support device; 210. a clamping ring; 220. connecting the arc plates; 221. a vent channel; 230. a backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 10, a multi-channel isolated cooling apparatus for cooling an engine is provided, including an engine body 10, the engine body 10 includes an internal component 110, the internal component 110 includes a housing 111, the inner end of the housing 111 is a hollow structure, the inner end of the housing 111 is provided with a rotary core 112, the engine body 10 further includes a cooling assembly 120, the cooling assembly 120 includes a connection ring 121, the connection ring 121 is disposed on one side of the inner end of the housing 111, the inner end of the connection ring 121 is provided with a plurality of cavities, the side surface of the connection ring 121 is connected with a plurality of inner attachment plates 122, a flow channel for air circulation is disposed inside the inner attachment plates 122, a liquid pump is disposed in the flow channel, a connection pipe 123 connected to the flow channel is disposed outside the inner attachment plates 122, a condensation pipe 124 is disposed on the connection pipe 123, and the cavities, the connection pipe 123, the condensation pipe 124 and the flow channel are communicated to form a circulation channel.

When the cooling device is used specifically, during the high-speed rotation process of the rotary core 112, at the moment, the inner attachment plates 122 are distributed on each side of the inner wall of the shell 111, the inner attachment plates 122 are positioned on the outer side of the rotary core 112, condensate accumulated in each flow channel diffuses cold air to the outer end of the inner attachment plates 122, the cold air reaches the outer side of the connecting ring 121 through air circulation, the outer side of the rotary core 112 is cooled, the temperature of the rotary core 112 is guaranteed to be constant, the inner attachment plates 122 are mutually independent, the cooling treatment is carried out on different area positions of the rotary core 112, the resource utilization rate is improved, the condensation effect is increased, meanwhile, the cooled condensate is pumped out through a liquid pump at the inner end of the flow channel and flows to the inner end of the condensing pipe 124 through the connecting pipe 123, the cooled condensate is treated through the condensing pipe 124, the treated condensate is transmitted to the inner end of the flow channel through the other end of the connecting pipe 123, the secondary cooling is continuously carried out on the rotary core 112 which is in operation through the flow channel, the circulation is reciprocated, a continuous cooling source is provided for the rotary core 112, the normal operation of the rotary core 112 is guaranteed, and the wear of the rotary core 112 is reduced.

In addition, the flow passage includes an inner groove 1221, the inner groove 1221 is communicated with the cavity, the inner groove 1221 is opened at the inner end of the inner attachment plate 122, the flow passage further includes a liquid accumulation tube 128 for storing condensate, the liquid accumulation tube 128 is disposed at the inner end of the inner groove 1221, a circulation pipeline is formed between the liquid accumulation tube 128 and the connecting tube 123, the condenser tube 124, and the liquid pump is disposed at the inner end of the liquid accumulation tube 128.

Further, a supporting ring 113 is sleeved on the rotary core 112, the supporting ring 113 is coaxially connected with the rotary core 112, and the outer side of the supporting ring 113 is attached to the inner wall of each inner pasting plate 122, when the rotary core 112 is used in a specific manner, a plurality of gears are arranged on the rotary core 112, a certain gap needs to be reserved between each gear and the inner pasting plate 122, otherwise the rotary core 112 easily drives the gears to be abraded with the inner side of the inner pasting plate 122 in the rotating process, so that the contact position between the inner wall of the inner pasting plate 122 and the gears is abraded, the temperature of the rotary core 112 and the inner pasting plate 122 can be continuously increased due to abrasion, the normal operation of the rotary core 112 is affected, meanwhile, the service life of the inner pasting plate 122 and the gear is reduced due to long-time abrasion, the inner pasting plate 122 and the rotary core 112 are timely replaced, at this time, a certain space is always kept between the rotary core 112 and the inner pasting plate 122 through the supporting ring 113, it is ensured that the gears and the inner wall of the inner pasting plate 122 and the inner pasting plate 122 can keep a safe position relatively, the abrasion is ensured, the service life of the rotary core 112 is prolonged, and the inner side of the supporting ring 113 is provided with a plurality of the sliding groove 1131, and the sliding ball 1131 is connected with the rotary core 112. During specific use, because the branch ring 113 keeps coaxial coupling with the commentaries on classics core 112, the commentaries on classics core 112 rotates the in-process, the branch ring 113 outside keeps laminating with each interior flitch 122 inner wall, this moment the branch ring 113 inboard receives commentaries on classics core 112 outside friction, can rotate the commentaries on classics core 112 and produce certain resistance, influence commentaries on classics core 112 performance, the heat that produces simultaneously among the friction process can increase the load that produces the commentaries on classics core 112, sliding friction between this moment through the ball 1131 that sets up will branch ring 113 and commentaries on classics core 112 converts rolling friction into, thereby reduce the frictional resistance that produces between the two, reduce thermal formation.

Further, the middle position of the inner attachment plate 122 is a cambered surface structure, and the middle position structure of the inner attachment plate 122 keeps fit with the shape of the middle inner wall of the outer shell 111. During the specific use, interior flitch 122 intermediate position outer wall laminates with shell 111 intermediate position inner wall completely, reduces interior flitch 122 and occupies shell 111 inner space size, further keeps apart interior flitch 122 and changes core 112, when guaranteeing interior flitch 122 normal cooling, furthest avoids interior flitch 122 and changes core 112 and takes place the contact.

Specifically, the inner wall of the inner attachment plate 122 is provided with a plurality of air outlets 1222, and the air outlets 1222 are communicated with the inner end of the inner groove 1221. During the specific use, venthole 1222 position sets up in changeing core 112 gear top, because change core 112 and rotate the in-process, the friction that gear connection department produced is the biggest, thereby the heat that produces increases thereupon, the heat is along the junction to changeing all the other positions diffusion of core 112, venthole 1222 through setting up realizes changeing core 112 fixed point position cooling function this moment, carry out fixed point cooling treatment to the last gear connection department of commentaries on classics core 112, increase and change the last gear connection department cooling range of core 112, carry out temperature control from the source, reduce the outside diffusion volume of heat, the efficiency of cooling is improved.

In addition, an inner ring 125 is arranged on the inner side of the connecting ring 121, the inner side of the inner ring 125 is coaxially connected with the rotating core 112, a plurality of rotating discs 126 are arranged on the outer side of the inner ring 125, the rotating discs 126 are arranged on the inner end of the cavity of the connecting ring 121, the outer side of each rotating disc 126 is meshed and connected with the outer side of the inner ring 125, the side of each rotating disc 126 is coaxially connected with the corresponding leaf fan 127, a plurality of air inlet holes 1211 are formed in the position, close to the outer side of the corresponding leaf fan 127, of the connecting ring 121, and the air inlet holes 1211 are communicated with the cavity of the connecting ring 121. When the cooling device is used specifically, the connecting ring 121 rotates at a high speed, the inner ring 125 is driven to rotate, the inner ring 125 is meshed with the rotating discs 126, the inner ring 125 drives the rotating discs 126 to rotate, the rotating discs 126 drive the blades 127 to rotate, airflow is generated in the rotating process of the blades 127, the airflow flows to the inner end of the cavity of the connecting ring 121 through the air inlet holes 1211, cold air generated by the liquid accumulating pipe 128 is blown, the rate of the cold air flowing through the outer side of the rotating core 112 is increased, and the cooling response efficiency is improved.

Further, a plurality of lantern rings 129 are arranged at the inner end of the cavity of the connecting ring 121, the bottom ends of the lantern rings 129 are fixed at the inner end of the cavity of the connecting ring 121, and the top ends of the lantern rings 129 are in sleeve fit with the outer side of the liquid accumulating pipe 128. During the specific use, carry out locate function to hydrops pipe 128 through the lantern ring 129 that sets up, because the go-between 121 rotates the in-process, produce great amplitude very easily, can lead to hydrops pipe 128 position to appear squinting in the vibrations in-process, can make hydrops pipe 128 squinting the initial cooling position in the past for a long time, can't accurately carry out the fixed point cooling function to go-between 121, cooling efficiency greatly discounts, the air current that blade 127 rotated the in-process and produced simultaneously also can cause the influence to hydrops pipe 128 position, carry out spacing processing to hydrops pipe 128 through lantern ring 129 this moment, lantern ring 129 fixes hydrops pipe 128 one end in go-between 121 cavity inner, make hydrops pipe 128 position keep invariable.

Still further, the outer side of the inner member 110 is sleeved with the supporting device 20, the supporting device 20 includes a pair of clamping rings 210, the two clamping rings 210 are respectively sleeved on the outer sides of the two ends of the shell 111, a plurality of connecting arc plates 220 are connected between the two clamping rings 210, and the connecting arc plates 220 cover the outer sides of the connecting pipe 123 and the condensing pipe 124. During the specific use, because connecting pipe 123 and condenser pipe 124 are located the engine body 10 outside, in the installation, the touching takes place for easy external equipment, lead to connecting pipe 123 and condenser pipe 124 to take place wearing and tearing, the condensate leakage phenomenon appears appearing even, influence the normal cooling work in later stage, support whole device through strutting arrangement 20 that sets up this moment, guarantee engine body 10 steady operation, protect connecting pipe 123 and condenser pipe 124 outside through connecting arc 220 simultaneously, keep apart connecting pipe 123 and condenser pipe 124 and external equipment.

In addition, a plurality of air grooves 221 are formed in the outer side of the connecting arc plate 220, and the air grooves 221 are arranged at equal intervals. When the heat exchanger is used specifically, the vent groove 221 is arranged to ensure the normal ventilation function of the support device 20, so that a part of heat generated by the engine body 10 can be diffused outwards along the vent groove 221, and the heat is prevented from accumulating between the connecting arc plate 220 and the connecting pipe 123 and between the connecting pipe 124 and the condensing pipe 124.

In addition, the bottom ends of the two clamping rings 210 are provided with a backing plate 230. When the engine body 10 is used specifically, the contact area between the bottom end of the clamp ring 210 and the installation position is increased through the arranged base plate 230, the support stability of the clamp ring 210 is further improved, and the normal operation of the engine body 10 is ensured.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A multi-pipe isolation type cooling device for engine cooling, comprising an engine body (10), wherein the engine body (10) comprises an internal component (110), the internal component (110) comprises an outer shell (111), the inner end of the outer shell (111) is of a hollow structure, the inner end of the outer shell (111) is provided with a rotating core (112), and the cooling device is characterized in that: the engine body (10) still includes cooling assembly (120), cooling assembly (120) include go-between (121), go-between (121) set up shell (111) inner one side, go-between (121) inner is provided with a plurality of cavities, go-between (121) side is connected with a plurality of interior flitch (122), the inside runner that has circulation of air in interior flitch (122), the built-in liquid pump of runner, interior flitch (122) be provided with outward with connecting pipe (123) that the runner is connected, be provided with condenser pipe (124) on connecting pipe (123), intercommunication formation circulation channel between cavity, connecting pipe (123), condenser pipe (124) and the runner.

2. The multi-channel isolated cooling apparatus for engine cooling of claim 1, wherein: the flow channel comprises an inner groove (1221), the inner groove (1221) is communicated with the cavity, the inner groove (1221) is formed in the inner end of the inner pasting plate (122), the flow channel further comprises a liquid accumulating pipe (128) used for storing condensate, the liquid accumulating pipe (128) is arranged at the inner end of the inner groove (1221), a circulating pipeline is formed among the liquid accumulating pipe (128), the connecting pipe (123) and the condensing pipe (124), and the liquid pump is arranged at the inner end of the liquid accumulating pipe (128).

3. The multi-channel isolated cooling apparatus for engine cooling of claim 2, wherein: the rotary core (112) is sleeved with a supporting ring (113), the supporting ring (113) is coaxially connected with the rotary core (112), the outer side of the supporting ring (113) is attached to the inner wall of each inner attached plate (122), a sliding groove is formed in the inner side of the supporting ring (113), a plurality of balls (1131) are arranged at the inner end of the sliding groove, and the balls (1131) are connected with the rotary core (112) in a rolling mode.

4. The multi-channel isolated cooling apparatus for engine cooling of claim 1, wherein: the middle position of the inner flitch (122) is of a cambered surface structure, and the middle position structure of the inner flitch (122) is kept matched with the shape of the middle inner wall of the shell (111).

5. The multi-channel isolated cooling apparatus for engine cooling of claim 2, wherein: the inner wall of the inner attachment plate (122) is provided with a plurality of air outlet holes (1222), and the air outlet holes (1222) are communicated with the inner end of the inner groove (1221).

6. The multi-channel isolated cooling apparatus for engine cooling of claim 1, wherein: the inner side of the connecting ring (121) is provided with an inner ring (125), the inner side of the inner ring (125) is coaxially connected with the rotating core (112), the outer side of the inner ring (125) is provided with a plurality of rotating discs (126), the rotating discs (126) are arranged at the inner end of the cavity of the connecting ring (121), the outer side of each rotating disc (126) is meshed with the outer side of the inner ring (125), the side surface of each rotating disc (126) is coaxially connected with a leaf fan (127), the connecting ring (121) is close to the outer side of the leaf fan (127) and is provided with a plurality of air inlet holes (1211), and the air inlet holes (1211) are communicated with the cavity of the connecting ring (121).

7. The multi-channel isolated cooling apparatus for engine cooling of claim 2, wherein: the inner end of the cavity of the connecting ring (121) is provided with a plurality of lantern rings (129), the bottom ends of the lantern rings (129) are fixed at the inner end of the cavity of the connecting ring (121), and the top ends of the lantern rings (129) are in sleeve fit with the outer side of the liquid accumulating pipe (128).

8. The multi-channel isolated cooling apparatus for engine cooling of claim 1, wherein: the supporting device (20) is sleeved on the outer side of the inner component (110), the supporting device (20) comprises a pair of clamping rings (210), the two clamping rings (210) are respectively sleeved on the outer sides of the two ends of the shell (111), a plurality of connecting arc plates (220) are connected between the two clamping rings (210), and the connecting arc plates (220) cover the outer sides of the connecting pipe (123) and the condensing pipe (124).

9. The multi-channel isolated cooling apparatus for engine cooling of claim 8, wherein: a plurality of air grooves (221) are formed in the outer side of the connecting arc plate (220), and the air grooves (221) are arranged at equal intervals.

10. The multi-channel isolated cooling apparatus for engine cooling of claim 8, wherein: the bottom ends of the two clamping rings (210) are respectively provided with a backing plate (230).

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