Cooling device

Abstract

The utility model discloses a cooling device. The cooling device comprises a turbine bearing box and a cooling assembly. The cooling assembly comprises a water cooling pipe, an oil pipe, at least one flow guide fan and at least one flow guide piece; one end of the oil pipe is connected to an oil outlet of the turbine bearing box; the other end of the oil pipe is connected to an oil inlet of the turbine bearing box; the water cooling pipe is filled with cooling liquid; the oil pipe and the flow guide fan are arranged in the water cooling pipe; the flow guide part is arranged on the outer side of the oil pipe and fixedly connected with the inner surface of the water cooling pipe. The problems that in the prior art, the temperature of lubricating oil in a bearing box is high, and equipment is prone to being damaged after long-term operation are solved; the purpose of reducing the temperature of the lubricating oil is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of bearing boxes, and in particular to a cooling device. Background Art

[0002] The DCC unit propylene refrigeration compressor is the key equipment of the unit, and its main function is to provide refrigerant for the separation system. The main oil pump of the unit's lubricating oil station is driven by a low-pressure steam turbine, and the auxiliary oil pump is driven by an electric motor.

[0003] When the unit is running, the temperature of the small turbine shell is as high as 230℃. Due to the effects of heat conduction and heat radiation, the temperature of the turbine bearing box will be too high, and it can reach up to 120℃ in summer. If the lubricating oil temperature in the turbine bearing box is too high, the lubricating oil will easily coke and deposit, thereby blocking the oil return hole and the short section at the root of the oil cup, resulting in poor lubrication of the turbine bearing box and increased turbine vibration. More seriously, if the lubricating oil temperature in the turbine bearing box is too high, long-term operation is likely to cause damage to the equipment. Utility Model Content

[0004] The embodiment of the present application solves the problem in the prior art that the temperature of the lubricating oil in the bearing box is high and the equipment is easily damaged due to long-term operation by providing a cooling device, thereby achieving the purpose of reducing the temperature of the lubricating oil.

[0005] The utility model embodiment provides 1. A cooling device, comprising a turbine bearing box and a cooling assembly; the cooling assembly comprises a water-cooling pipe, an oil pipe, at least one guide fan and at least one guide member; one end of the oil pipe is connected to the oil outlet of the turbine bearing box; the other end of the oil pipe is connected to the oil inlet of the turbine bearing box; the interior of the water-cooling pipe is filled with coolant; the oil pipe and the guide fan are both arranged inside the water-cooling pipe; the guide member is arranged on the outside of the oil pipe and fixedly connected to the inner surface of the water-cooling pipe.

[0006] In a possible implementation, the oil pipe includes an oil outlet pipe, a first spiral pipe, a joint pipe, a second spiral pipe and an oil return pipe; one end of the oil outlet pipe is connected to the oil outlet, and the other end of the oil outlet pipe is connected to the first spiral pipe; one end of the oil return pipe is connected to the oil inlet, and the other end of the oil return pipe is connected to the second spiral pipe; the first spiral pipe and the second spiral pipe are connected to the two ends of the joint pipe respectively; the first spiral pipe, the joint pipe and the second spiral pipe are arranged inside the water cooling pipe; the guide members are arranged in two, one of which is arranged on the outside of the first spiral pipe; the other guide member is arranged on the outside of the second spiral pipe.

[0007] In a possible implementation, the guide member includes a guide plate and multiple support plates; the guide plate is provided with multiple guide holes, and the multiple guide holes facilitate the passage of cooling water; the outer side of the guide plate is radially fixedly connected with multiple support plates; one of the guide plates and the multiple support plates are both arranged on the outer side of the first spiral tube; the other guide plate and the multiple support plates are both arranged on the outer side of the second spiral tube; the guide plate and the multiple support plates are both fixedly connected to the inner surface of the water-cooling tube.

[0008] In a possible implementation, the water-cooling pipe includes a first pipeline, a second pipeline and a joint pipeline; one end of the first pipeline and one end of the second pipeline are both closed, one end of the joint pipeline is connected to the other end of the first pipeline, and the other end of the joint pipeline is connected to the other end of the second pipeline; a through hole is provided at one end of the first pipe away from the joint pipeline, and the through hole can cooperate with the oil outlet pipe; the through hole is provided at one end of the second pipeline from the joint pipeline, and the through hole can cooperate with the oil return pipe.

[0009] In a possible implementation, it further includes a water injection pipe and a drainage pipe; the water injection pipe is connected to the outer side of the second pipeline close to the oil return pipe; the drainage pipe is connected to the outer side of the first pipeline close to the oil outlet pipe.

[0010] In a possible implementation, there are two guide fans; both of the guide fans are arranged inside the water cooling pipe; one of the guide fans is arranged at an end of the first spiral tube away from the turbine bearing box; and the other guide fan is arranged at an end of the second spiral tube away from the turbine bearing box.

[0011] In a possible implementation, an oil pump is further included, and the oil pump is disposed on the oil outlet pipe.

[0012] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:

[0013] The embodiment of the utility model adopts a turbine bearing box and a cooling component, wherein the cooling component includes a water-cooling pipe, an oil pipe, at least one guide fan and at least one guide member; one end of the oil pipe is connected to the oil outlet of the turbine bearing box, and the other end of the oil pipe is connected to the oil inlet of the turbine bearing box, so that the lubricating oil of the turbine bearing box can be recycled through the oil pipe; the interior of the water-cooling pipe is filled with coolant, the oil pipe and the guide fan are both arranged inside the water-cooling pipe, the lubricating oil passing through the oil pipe can be cooled by the coolant inside the water-cooling pipe, and the guide fan can increase the flow rate of the coolant inside the water-cooling pipe, thereby improving the cooling effect of the lubricating oil in the oil pipe, and further, a guide member is arranged on the outside of the oil pipe, the guide member is fixedly connected to the inner surface of the water-cooling pipe, and the coolant inside the water-cooling pipe can be guided by the guide member, thereby extending the flow path of the coolant in the water-cooling pipe, which is conducive to the coolant to better cool the lubricating oil. The present application solves the problem in the prior art that the temperature of the lubricating oil in the bearing box is high and the equipment is easily damaged during long-term operation, and achieves the purpose of reducing the temperature of the lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 An axonometric diagram of a cooling device provided in an embodiment of the present application;

[0016] Figure 2 A cross-sectional view of a cooling device provided in an embodiment of the present application;

[0017] Figure 3 A cross-sectional view of a turbine bearing housing, a water cooling pipe, an oil pipe, a guide fan and an oil pump provided in an embodiment of the present application;

[0018] Figure 4 This is an axonometric view of the flow guide provided in an embodiment of the present application.

[0019] Icons: 1-turbine bearing box; 2-cooling assembly; 21-water cooling pipe; 211-first pipeline; 212-second pipeline; 213-connecting pipeline; 22-oil pipe; 221-oil outlet pipe; 222-first spiral pipe; 223-connecting pipe; 224-second spiral pipe; 225-oil return pipe; 23-guide fan; 24-guide member; 241-guide plate; 242-support plate; 3-water injection pipe; 4-drainage pipe; 5-oil pump. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0022] The present application embodiment provides a cooling device, such as Figure 1-4 As shown, it includes a turbine bearing box 1 and a cooling assembly 2; the cooling assembly 2 includes a water-cooling pipe 21, an oil pipe 22, at least one guide fan 23 and at least one guide member 24; one end of the oil pipe 22 is connected to the oil outlet of the turbine bearing box 1; the other end of the oil pipe 22 is connected to the oil inlet of the turbine bearing box 1; the interior of the water-cooling pipe 21 is filled with coolant; the oil pipe 22 and the guide fan 23 are both arranged inside the water-cooling pipe 21; the guide member 24 is arranged on the outside of the oil pipe 22 and is fixedly connected to the inner surface of the water-cooling pipe 21.

[0023] Exemplarily, one end of the oil pipe 22 is connected to the oil outlet of the turbine bearing box 1, and the other end of the oil pipe 22 is connected to the oil inlet of the turbine bearing box 1. The lubricating oil of the turbine bearing box 1 can be transported from the oil outlet of the turbine bearing box 1 to the oil inlet of the turbine bearing box 1 through the oil pipe 22. The oil pipe 22 and the guide fan 23 are arranged inside the water cooling pipe 21. The inside of the water cooling pipe 21 is filled with coolant. The coolant can cool the oil pipe 22 inside the water cooling pipe 21, that is, it can cool the lubricating oil passing through the oil pipe 22.

[0024] Exemplarily, a guide fan 23 is provided inside the water-cooling pipe 21, and the coolant inside the water-cooling pipe 21 can be guided by the guide fan 23. The guide fan 23 improves the flow performance of the coolant inside the water-cooling pipe 21; thereby improving the cooling effect of the lubricating oil in the oil pipe 22.

[0025] Furthermore, a guide member 24 is provided on the outside of the oil pipe 22, and the guide member 24 is fixedly connected to the inner surface of the water-cooling pipe 21. The coolant inside the water-cooling pipe 21 can be guided to flow in a direction by the guide member 24, thereby extending the flow path of the coolant in the water-cooling pipe 21, which is beneficial for the coolant to better cool the lubricating oil.

[0026] In the present application embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the oil pipe 22 includes an oil outlet pipe 221, a first spiral pipe 222, a joint pipe 223, a second spiral pipe 224 and an oil return pipe 225; one end of the oil outlet pipe 221 is connected to the oil outlet, and the other end of the oil outlet pipe 221 is connected to the first spiral pipe 222; one end of the oil return pipe 225 is connected to the oil inlet, and the other end of the oil return pipe 225 is connected to the second spiral pipe 224; the two ends of the joint pipe 223 are respectively connected to the first spiral pipe 222 and the second spiral pipe 224; the first spiral pipe 222, the joint pipe 223 and the second spiral pipe 224 are arranged inside the water-cooling pipe 21; the guide member 24 is set to two, one of the guide members 24 is arranged on the outside of the first spiral pipe 222; the other guide member 24 is arranged on the outside of the second spiral pipe 224.

[0027] Exemplarily, the first spiral tube 222 and the second spiral tube 224 are both configured as spiral structures, and the connecting tube 223 is configured as a U-shape, with the first spiral tube 222 and the second spiral tube 224 connected to both ends of the U-shape respectively; the internal space of the water-cooling tube 21 can be effectively utilized to extend the path length of the lubricating oil flow in the oil pipe 22 as much as possible. At the same time, the spiral structure also increases the contact area between the oil pipe 22 and the coolant, which can improve the cooling effect of the cooling component 2 on the lubricating oil in the turbine bearing box 1.

[0028] Exemplarily, one end of the oil outlet pipe 221 close to the first spiral pipe 222 is disposed inside the water cooling pipe 21 ; and one end of the oil return pipe 225 close to the second spiral pipe 224 is disposed inside the water cooling pipe 21 .

[0029] Exemplarily, two flow guide members 24 are provided, wherein one flow guide member 24 is provided on the outside of the first spiral tube 222; the other flow guide member 24 is provided on the outside of the second spiral tube 224; the flow guide member 24 provided on the outside of the first spiral tube 222 is fixedly connected to the inner surface of the water-cooling tube 21, and the flow guide member 24 provided on the outside of the second spiral tube 224 is fixedly connected to the inner surface of the water-cooling tube 21.

[0030] In the present application embodiment, Figure 2 and Figure 4 As shown, the guide member 24 includes a guide plate 241 and a plurality of support plates 242; the guide plate 241 is provided with a plurality of guide holes, and the plurality of guide holes facilitate the passage of cooling water; the outer side of the guide plate 241 is fixedly connected with a plurality of support plates 242 in a radial direction; one of the guide plates 241 and the plurality of support plates 242 are both arranged on the outer side of the first spiral tube 222; the other guide plate 241 and the plurality of support plates 242 are both arranged on the outer side of the second spiral tube 224; the guide plate 241 and the plurality of support plates 242 are both fixedly connected to the inner surface of the water-cooling tube 21;

[0031] Exemplarily, the guide member 24 is provided with two, namely, including two guide plates 241 and multiple support plates 242, wherein one guide plate 241 and multiple support plates 242 are both provided on the outside of the first spiral tube 222; the other guide plate 241 and multiple support plates 242 are both provided on the outside of the second spiral tube 224; both guide plates 241 are provided with a spiral structure, the guide plate 241 provided on the first spiral tube 222 is staggered with the first spiral tube 222 in the length direction of the first spiral tube 222, and the guide plate 241 provided on the second spiral tube 224 is staggered with the second spiral tube 224 in the length direction of the second spiral tube 224.

[0032] Exemplarily, the coolant inside the water-cooling tube 21 can be guided by the guide plate 241, and the guide plate 241 increases the contact time between the coolant and the oil pipe 22, which is beneficial to cooling the lubricating oil inside the oil pipe 22. Among them, the edge of the guide plate 241 is welded and fixed with a support plate 242 for support, and the guide plate 241 is provided with guide holes, and the guide holes are arranged in a plurality, and the plurality of guide holes are distributed in a circular array. The guide plate 241 can be supported by the support plate 242 welded thereto, and the guide holes provided on the guide plate 241 facilitate the coolant to flow through the guide holes, which is beneficial to cooling the lubricating oil in the oil pipe 22.

[0033] In the present application embodiment, Figure 1 , Figure 2 and Figure 3As shown, the water-cooling pipe 21 includes a first pipeline 211, a second pipeline 212 and a joint pipeline 213; one end of the first pipeline 211 and one end of the second pipeline 212 are both closed, one end of the joint pipeline 213 is connected to the other end of the first pipeline 211, and the other end of the joint pipeline 213 is connected to the other end of the second pipeline 212; a through hole is provided at one end of the first pipeline 211 away from the joint pipeline 213, and the through hole can cooperate with the oil outlet pipe 221; the through hole is provided at one end of the second pipeline 212 on the original path of the joint pipeline 213, and the through hole can cooperate with the return oil pipe 225.

[0034] Exemplarily, the interior of the water-cooling pipe 21 is filled with coolant, and the water-cooling pipe 21 is U-shaped as a whole, wherein the first pipeline 211 and the second pipeline 212 are both configured as straight pipes, and the joint pipeline 213 is configured as a U-shape, and the two ends of the joint pipeline 213 are respectively connected to the first pipeline 211 and the second pipeline 212, and the ends of the first pipeline 211 and the second pipeline 212 away from the joint pipeline 213 are both closed.

[0035] Exemplarily, one end of the first pipeline 211 away from the joint pipeline 213 and one end of the second pipeline 212 away from the joint pipeline 213 are both provided with through holes, the through hole provided on the first pipeline 211 cooperates with the oil outlet pipe 221, and the through hole provided on the second pipeline 212 cooperates with the oil return pipe 225. The position where the through hole is combined with the oil outlet pipe 221 or the oil return pipe 225 needs to be sealed to prevent leakage of the coolant.

[0036] In the present application embodiment, Figure 1 , Figure 2 and Figure 3 As shown, it also includes a water injection pipe 3 and a drainage pipe 4; the water injection pipe 3 is connected to the outer side of the second pipeline 212 close to the oil return pipe 225; the drainage pipe 4 is connected to the outer side of the first pipeline 211 close to the oil outlet pipe 221.

[0037] Exemplarily, the water injection pipe 3 is used to inject coolant into the water cooling pipe 21, and the drain pipe 4 is used to discharge the coolant in the water cooling pipe 21. The water injection pipe 3 and the drain pipe 4 can make the coolant in the water cooling pipe 21 flow in a certain direction, thereby improving the cooling effect of the cooling component 2 on the lubricating oil in the turbine bearing box 1.

[0038] In the present application embodiment, Figure 2 and Figure 3As shown, the guide fans 23 are provided in two; the two guide fans 23 are both provided inside the water cooling pipe 21; one of the guide fans 23 is provided at one end of the first spiral tube 222 away from the turbine bearing box 1; the other guide fan 23 is provided at one end of the second spiral tube 224 away from the turbine bearing box 1.

[0039] Exemplarily, the guide fan 23 is arranged inside the U-joint pipe 213. The guide fan 23 can guide the flow of coolant inside the water-cooling pipe 21, thereby improving the flow performance of the coolant inside the water-cooling pipe 21, solving the problem of low coolant flow efficiency inside the water-cooling pipe 21, and thus improving the cooling effect of the lubricating oil in the oil pipe 22.

[0040] In the present application embodiment, Figure 1 and Figure 2 As shown, an oil pump 5 is also included, and the oil pump 5 is arranged on the oil outlet pipe 221.

[0041] Exemplarily, the oil pump 5 can provide power for the lubricating oil in the turbine bearing housing 1 to enter the oil pipe 22, thereby improving the flow performance of the lubricating oil.

[0042] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other. Each embodiment focuses on the differences from other embodiments.

[0043] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.

Claims

1. A cooling device, characterized in that: It comprises a turbine bearing housing (1) and a cooling assembly (2); The cooling assembly (2) comprises a water cooling pipe (21), an oil pipe (22), at least one flow guide fan (23) and at least one flow guide member (24); One end of the oil pipe (22) is connected to the oil outlet of the turbine bearing box (1), and the other end of the oil pipe (22) is connected to the oil inlet of the turbine bearing box (1); The interior of the water cooling pipe (21) is filled with cooling liquid; the oil pipe (22) and the guide fan (23) are both arranged inside the water cooling pipe (21); The flow guide (24) is arranged on the outside of the oil pipe (22) and is fixedly connected to the inner surface of the water cooling pipe (21).

2. A cooling device according to claim 1, characterized in that: The oil pipe (22) comprises an oil outlet pipe (221), a first spiral pipe (222), a joint pipe (223), a second spiral pipe (224) and an oil return pipe (225); One end of the oil outlet pipe (221) is connected to the oil outlet, and the other end of the oil outlet pipe (221) is connected to the first spiral pipe (222); One end of the oil return pipe (225) is connected to the oil inlet, and the other end of the oil return pipe (225) is connected to the second spiral pipe (224); The two ends of the joint tube (223) are respectively connected to the first spiral tube (222) and the second spiral tube (224); The first spiral tube (222), the joint tube (223) and the second spiral tube (224) are arranged inside the water cooling tube (21); The guide members (24) are provided in two numbers, wherein one of the guide members (24) is provided on the outside of the first spiral tube (222); and the other of the guide members (24) is provided on the outside of the second spiral tube (224).

3. A cooling device according to claim 2, characterized in that: The flow guide (24) comprises a flow guide plate (241) and a plurality of support plates (242); The guide plate (241) is provided with a plurality of guide holes, and the plurality of guide holes facilitate the passage of cooling water; A plurality of support plates (242) are fixedly connected to the outer side of the guide plate (241) in a radial direction; One of the guide plates (241) and the plurality of support plates (242) are both arranged on the outside of the first spiral tube (222); another of the guide plates (241) and the plurality of support plates (242) are both arranged on the outside of the second spiral tube (224); The guide plate (241) and the plurality of support plates (242) are all fixedly connected to the inner surface of the water cooling tube (21).

4. A cooling device according to claim 2, characterized in that: The water cooling pipe (21) comprises a first pipeline (211), a second pipeline (212) and a joint pipeline (213); One end of the first pipeline (211) and one end of the second pipeline (212) are both closed, one end of the joint pipeline (213) is connected to the other end of the first pipeline (211), and the other end of the joint pipeline (213) is connected to the other end of the second pipeline (212); A through hole is provided at one end of the first pipeline (211) away from the joint pipeline (213), and the through hole can cooperate with the oil outlet pipe (221); and a through hole is provided at one end of the second pipeline (212) along the original path of the joint pipeline (213), and the through hole can cooperate with the oil return pipe (225).

5. A cooling device according to claim 4, characterized in that: It also includes a water injection pipe (3) and a drainage pipe (4); The water injection pipe (3) is connected to the outer side of the second pipeline (212) close to the oil return pipe (225); and the drainage pipe (4) is connected to the outer side of the first pipeline (211) close to the oil outlet pipe (221).

6. A cooling device according to claim 2, characterized in that: The guide fans (23) are provided in two numbers; The two flow guide fans (23) are both arranged inside the water cooling pipe (21); One of the guide fans (23) is arranged at an end of the first spiral tube (222) away from the turbine bearing box (1); the other guide fan (23) is arranged at an end of the second spiral tube (224) away from the turbine bearing box (1).

7. A cooling device according to claim 2, characterized in that: It also includes an oil pump (5), wherein the oil pump (5) is arranged on the oil outlet pipe (221).

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