Oil cooler of steam turbine
By introducing cleaning components and stainless steel branch pipe structures into the turbine oil cooler, the problem of uneven mixing of cleaning fluid and flushing water was solved, achieving comprehensive cleaning and efficient cooling of the oil cooler, and improving cleanliness and service life.
Patent Information
- Application Number
- CN202423296286.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In the current turbine oil cooler cleaning process, the cleaning fluid and rinsing water are not mixed evenly, resulting in poor cleaning effect and affecting the efficiency of the oil cooler.
A cleaning component was designed, including an infusion tube, a spiral blade, and a partition plate. The spiral blade promotes the mixing of cleaning fluid and rinsing water, and the partition plate distributes the cleaning fluid to different parts of the oil cooler. Combined with the stainless steel branch pipe and baffle structure, it achieves comprehensive cleaning and uniform flow.
It improves the mixing uniformity and cleanliness of the cleaning fluid, ensures the cleaning effect of all parts of the oil cooler, avoids cleaning dead spots, extends the service life of the system, and maintains cooling efficiency.
Smart Images
Figure CN223676347U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of steam turbine oil cooler, concretely is a steam turbine oil cooler. BACKGROUND
[0002] Steam turbine oil cooler is the key turbine oil cooling equipment in power system, realizes heat exchange through circulating water as medium, effectively reduces lubricating oil temperature, ensures steam turbine and generator bearing in normal operation temperature range, it adopts surface type heat exchange principle, has high heat transfer efficiency, reasonable structure, assembly reliable and low fluid resistance etc.
[0003] The existing oil cooler in the process of using, the internal cooling water flows in the inside of copper pipe, and carries out heat exchange operation with oil liquid, the inside of copper pipe is easy to carry out oxidation reaction with cooling water, and with certain impurity exists, easy to adhere certain dirt on the inner wall of copper pipe, thereby reduce heat exchange efficiency, reduce the use effect of oil cooler, in actual use, usually need to flush the inside, and mix certain amount of acid and alkali cleaning solution to flush dirt, wherein there is the case that cleaning fluid and flushing water flow are not mixed evenly, the dirt cleaning effect of the inside of copper pipe is poor, therefore, the inventor urgently needs to design a cleaning mechanism that can mix the cleaning fluid and flushing water evenly to improve the cleaning effect and convenience of the oil cooler. UTILITY MODEL CONTENT
[0004] Therefore, the utility model discloses a steam turbine oil cooler, which can solve the technical problems of uneven mixing of cleaning fluid and flushing water and poor cleaning effect when cleaning the inside of copper pipe of the existing oil cooler.
[0005] To achieve the above object, the utility model provides the following technical scheme: a steam turbine oil cooler, including the oil cooler main part, the one end flange of oil cooler main part is installed with mounting seat, the one side flange of mounting seat is connected with baffle, and the one side of baffle is provided with cleaning assembly, the cleaning assembly includes infusion pipe, the one end flange of infusion pipe is installed with ball valve, and the other end is connected with first branch pipe, second branch pipe, installs second valve on first branch pipe, second branch pipe, the top of infusion pipe is connected with the communication pipe, the top of communication pipe is installed with cleaning fluid storage device, installs first valve on communication pipe, the inside of infusion pipe is fixedly provided with helical blade, and a plurality of through holes are equidistantly formed in helical blade, the other end flange of oil cooler main part is installed with limit seat, and the bottom of limit seat is provided with blowdown.
[0006] By adopting the technical scheme, effective cleaning of the inside of the cold oil device main body is realized, one end of the infusion pipe in the cleaning assembly is connected with the ball valve, the other end is communicated with the first branch pipe and the second branch pipe, so that the cleaning liquid and the flushing water can conveniently enter the inside of the cold oil device.
[0007] Further, the upper and lower sides of the mounting seat are respectively provided with liquid inlet and liquid outlet, and a partition plate is fixedly welded in the middle of the mounting seat to divide the inside of the mounting seat into two cavities, which are respectively communicated with the first branch pipe and the second branch pipe.
[0008] By adopting the technical scheme, the cooling water can smoothly enter and flow out of the cold oil device, the normal cooling function of the cold oil device is ensured, and at the same time, the partition plate fixedly welded in the middle of the mounting seat divides the inside of the mounting seat into two cavities, which are respectively communicated with the first branch pipe and the second branch pipe, so that the cleaning liquid can enter different parts of the cold oil device, realizing comprehensive cleaning of the cold oil device and avoiding cleaning dead angles.
[0009] Further, the other end of the ball valve is communicated with the external flushing water storage device through the liquid pump, and the top side of the cold oil device main body is provided with an oil inlet, and the bottom side is provided with an oil outlet.
[0010] By adopting the technical scheme, the flushing water can be conveniently introduced into the cold oil device for cleaning, improving the convenience of cleaning, and at the same time, the oil inlet provided on the top side of the cold oil device main body and the oil outlet provided on the bottom side make the oil liquid smoothly enter and flow out of the cold oil device, ensuring the normal lubrication and cooling of the steam turbine.
[0011] Further, the sewage outlet is communicated with the external sewage collection and storage device, and the sewage outlet is in an openable and closable structure through a valve.
[0012] By adopting the technical scheme, the cleaned sewage and impurities can be conveniently discharged from the cold oil device, avoiding the retention and accumulation of sewage in the cold oil device, and ensuring the cleanliness of the cold oil device.
[0013] Further, the inside of the cold oil device main body is staggered and provided with a plurality of baffle plates, and the plurality of baffle plates are arranged at equal distances.
[0014] By adopting the technical scheme, the flow path and heat exchange area of the oil liquid in the cold oil device are increased, the cooling efficiency of the cold oil device is improved, and at the same time, the plurality of baffle plates are arranged at equal distances, so that the flow of the oil liquid in the cold oil device is more uniform and stable, avoiding local overheating and flow dead angle of the oil liquid.
[0015] Further, a plurality of copper pipes are arranged through the baffle plate, and the plurality of copper pipes are arranged in an equal distance array, and the copper pipes are communicated with the internal cavities of the mounting seat and the limiting seat.
[0016] By adopting the above technical scheme, sufficient heat exchange space is provided for the oil liquid and the cooling water, the heat exchange efficiency of the oil cooler is improved, meanwhile, the copper pipes are arranged in equidistant array, so that the flow of the oil liquid and the cooling water in the copper pipes is more uniform and stable, and the problems of local overheating and excessive flow resistance are avoided.
[0017] Further, the first branch pipe, the second branch pipe and the infusion pipe are in "Y" shape structure, and the whole material is stainless steel.
[0018] By adopting the above technical scheme, the cleaning liquid can be conveniently divided into different parts of the oil cooler, the overall cleaning of the oil cooler is realized, meanwhile, the "Y" shape structure design also simplifies the pipeline layout of the cleaning system, improves the compactness and aesthetics of the system, in addition, the whole material is stainless steel, which has good corrosion resistance and strength, can resist corrosion and wear during cleaning process, and prolongs the service life of the cleaning system.
[0019] In summary, the utility model mainly has the following beneficial effects:
[0020] The utility model discloses a cleaning assembly, and the cleaning assembly starts to work, and the washing water in the external washing water storage device and the cleaning liquid in the cleaning liquid storage device are introduced through the infusion pipe, the spiral blade is arranged in the infusion pipe, so that the water flow generates certain turbulence, promotes the full mixing of the cleaning liquid and the washing water, makes the cleaning liquid can be evenly distributed, and simultaneously, the mixed cleaning liquid is respectively conveyed to different parts of the oil cooler through the first branch pipe and the second branch pipe, the design of the through hole further improves the mixing effect, ensures that the cleaning liquid can fully contact every corner of the oil cooler, thereby improving the cleaning efficiency and the cleanliness. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0022] Figure 2 It is a front view structure schematic view of the utility model;
[0023] Figure 3 It is a cross section structure schematic view of the utility model;
[0024] Figure 4 It is a three-dimensional structure schematic view of the utility model Figure 3 of A place in the utility model.
[0025] In the diagram: 1. Main body of the oil cooler; 201. Oil inlet; 202. Oil outlet; 203. Liquid inlet; 204. Liquid outlet; 3. Mounting base; 4. Baffle; 5. Limiting seat; 6. Drain outlet; 7. Cleaning component; 701. Infusion pipe; 702. Connecting pipe; 703. First valve; 704. Cleaning fluid storage device; 705. Ball valve; 706. Spiral blade; 707. Through hole; 708. First branch pipe; 709. Second branch pipe; 710. Second valve; 8. Baffle; 9. Baffle plate; 10. Copper pipe. Detailed Implementation
[0026] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0027] Example 1:
[0028] A steam turbine oil cooler, such as Figures 1-4 As shown, the device includes an oil cooler body 1. A mounting base 3 is installed on a flange at one end of the oil cooler body 1. A baffle 4 is connected to a flange on one side of the mounting base 3, and a cleaning component 7 is provided on one side of the baffle 4. The cleaning component 7 includes an infusion pipe 701. A ball valve 705 is installed on a flange at one end of the infusion pipe 701, and a first branch pipe 708 and a second branch pipe 709 are connected to the other end. A second valve 710 is installed on both the first branch pipe 708 and the second branch pipe 709. A connecting pipe 702 is connected to the top of the infusion pipe 701, and a cleaning fluid storage device 704 is installed on the top of the connecting pipe 702. A first valve 703 is installed on the connecting pipe 702. A spiral blade 706 is fixedly installed on the inner side of the infusion pipe 701. The upper part of the oil cooler body 1 has several through holes 707 at equal intervals. The flange at the other end of the oil cooler body 1 is equipped with a limiting seat 5. The bottom of the limiting seat 5 is provided with a drain port 6, which realizes effective cleaning of the inside of the oil cooler body 1. One end of the liquid infusion pipe 701 in the cleaning component 7 is connected to the ball valve 705, and the other end is connected to the first branch pipe 708 and the second branch pipe 709, so that the cleaning liquid and rinsing water can easily enter the inside of the oil cooler. At the same time, the spiral blade 706 fixed inside the liquid infusion pipe 701 and the through holes 707 at equal intervals on it promote the full mixing of the cleaning liquid and rinsing water, and improve the cleaning efficiency. In addition, the drain port 6 at the bottom of the limiting seat 5 is designed so that the sewage and impurities after cleaning can be discharged smoothly, ensuring the cleanliness of the oil cooler.
[0029] See Figure 1 , Figure 2 , Figure 3The upper and lower sides of the mounting seat 3 are respectively provided with a liquid inlet 203 and a liquid outlet 204, and a partition plate 8 is fixedly welded in the middle of the mounting seat 3, so as to divide the inner side of the mounting seat 3 into two cavities, which are respectively communicated with the first branch pipe 708 and the second branch pipe 709, so that the cooling water can smoothly enter and flow out of the oil cooler, and the normal cooling function of the oil cooler is ensured. At the same time, the partition plate 8 fixedly welded in the middle of the mounting seat 3 divides the inner side of the mounting seat 3 into two cavities, which are respectively communicated with the first branch pipe 708 and the second branch pipe 709, so that the cleaning liquid can enter different parts of the oil cooler respectively, the overall cleaning of the oil cooler is realized, and the cleaning dead angle is avoided. In addition, the separation design is also helpful to control the flow and distribution of the cleaning liquid, and the uniformity and efficiency of cleaning are improved.
[0030] Referring to Figure 1 , Figure 2 , Figure 3 The other end of the ball valve 705 is communicated with the external flushing water storage device through a liquid pump, and the top side of the oil cooler main body 1 is provided with an oil inlet 201, and the bottom side is provided with an oil outlet 202, so that the flushing water can be conveniently introduced into the oil cooler for cleaning, and the convenience of cleaning is improved. At the same time, the oil inlet 201 provided on the top side of the oil cooler main body 1 and the oil outlet 202 provided on the bottom side make the oil liquid smoothly enter and flow out of the oil cooler, so as to ensure the normal lubrication and cooling of the steam turbine. In addition, the use of the liquid pump also provides sufficient pressure, so that the cleaning liquid can fully flush the dirt inside the oil cooler, and the cleaning effect is improved.
[0031] Referring to Figure 1 , Figure 2 , Figure 3 The blow-off port 6 is communicated with the external sewage collection and storage device, and the blow-off port 6 is in an openable and closable structure through a valve, so that the cleaned sewage and impurities can be conveniently discharged from the oil cooler, avoiding the retention and accumulation of sewage in the oil cooler, and ensuring the cleanliness of the oil cooler. At the same time, the blow-off port 6 is in an openable and closable structure through a valve, so that the operator can open or close the blow-off port at any time according to the need, improving the flexibility and convenience of operation. In addition, the openable and closable blow-off port 6 is also helpful to control the discharge of sewage during the cleaning process, reducing the pollution to the environment.
[0032] Example two:
[0033] Referring to Figure 3The inner side of the oil cooler body 1 is staggered with a plurality of baffles 9, and the plurality of baffles 9 are arranged at equal intervals, thereby increasing the flow path and heat exchange area of the oil in the oil cooler, improving the cooling efficiency of the oil cooler, and at the same time, the plurality of baffles 9 arranged at equal intervals make the flow of the oil in the oil cooler more uniform and stable, avoiding local overheating and flow dead angle of the oil, in addition, the arrangement of the baffles 9 also helps to enhance the structural strength of the oil cooler, improves the durability and reliability of the oil cooler.
[0034] Referring to Figure 3 The baffles 9 are provided with a plurality of copper pipes 10 penetrating through, and the plurality of copper pipes 10 are arranged in an equal interval array, the copper pipes 10 are in communication with the internal cavities of the mounting seat 3 and the limiting seat 5, providing sufficient heat exchange space for the oil and cooling water, improving the heat exchange efficiency of the oil cooler, at the same time, the plurality of copper pipes 10 arranged in an equal interval array make the flow of the oil and cooling water in the copper pipe more uniform and stable, avoiding the problem of local overheating and excessive flow resistance, in addition, the copper pipes 10 are in communication with the internal cavities of the mounting seat 3 and the limiting seat 5, so that the cooling water can smoothly enter and flow out of the copper pipes 10, ensuring the normal cooling function of the oil cooler, at the same time, the copper pipes 10 have good heat conductivity and corrosion resistance, improving the durability and reliability of the oil cooler.
[0035] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 The first branch pipe 708, the second branch pipe 709 and the infusion pipe 701 are in a "Y" shape structure, and the overall material is stainless steel, so that the cleaning liquid can be conveniently divided into different parts of the oil cooler, realizing the overall cleaning of the oil cooler, at the same time, the design of the "Y" shape structure also simplifies the pipeline layout of the cleaning system, improves the compactness and aesthetics of the system, in addition, the overall material is stainless steel, which has good corrosion resistance and strength, can resist corrosion and wear during cleaning process, prolongs the service life of the cleaning system, at the same time, the stainless steel material is also easy to clean and maintain, reduces the use cost.
[0036] The implementation principle of the embodiment is that the oil cooler main body 1 receives oil liquid to be cooled through the oil inlet 201, and through the internal baffle 9 and copper pipe 10 structure, the oil liquid exchanges heat with cooling water entering from the liquid inlet 203, in the long-term use process, dirt may accumulate in the oil cooler, affecting the heat exchange efficiency, in order to clean the dirt, the cleaning assembly 7 is designed, first, the oil inlet 201, the oil outlet 202, the liquid inlet 203, the liquid outlet 204 are closed in communication with the external device, then the cleaning assembly 7 mixes the cleaning liquid in the cleaning liquid storage device 704 and the flushing water in the external flushing water storage device through the liquid conveying pipe 701, and then is conveyed to different parts of the oil cooler through the spiral blade 706 and the first branch pipe 708 and the second branch pipe 709, the spiral blade 706 in the liquid conveying pipe 701 promotes the full mixing of the cleaning liquid and the flushing water, and further improves the mixing effect through the through hole 707, and the inner wall of the copper pipe 10 in the oil cooler is flushed or soaked, the flushed sewage and impurities are discharged from the oil cooler through the sewage outlet 6 at the bottom of the limiting seat 5, and are collected into the external sewage collection storage device, after cleaning, the remaining cleaning liquid and flushing water are discharged, the oil cooler outputs the cooled oil liquid through the oil outlet 202, and returns to normal work.
[0037] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of the embodiment without the creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.
Claims
1. A turbine oil cooler characterized by: The application relates to a cold oil device, which comprises a cold oil device body (1), a mounting base (3) is flange-mounted at one end of the cold oil device body (1), a baffle (4) is connected to one side of the mounting base (3), a cleaning assembly (7) is arranged on one side of the baffle (4), the cleaning assembly (7) comprises a liquid conveying pipe (701), a ball valve (705) is flange-mounted at one end of the liquid conveying pipe (701), a first branch pipe (708) and a second branch pipe (709) are communicated and mounted at the other end of the liquid conveying pipe (701), second valves (710) are mounted on the first branch pipe (708) and the second branch pipe (709), a communicating pipe (702) is communicated and mounted on the top of the liquid conveying pipe (701), a cleaning liquid storage device (704) is mounted on the top of the communicating pipe (702), a first valve (703) is mounted on the communicating pipe (702), helical blades (706) are fixedly arranged on the inner side of the liquid conveying pipe (701), a plurality of through holes (707) are equidistantly formed in the helical blades (706), a limiting base (5) is flange-mounted at the other end of the cold oil device body (1), and a sewage outlet (6) is arranged at the bottom of the limiting base (5).
2. The steam turbine oil cooler of claim 1, wherein: Liquid inlets (203) and liquid outlets (204) are arranged on the upper side and the lower side of the mounting base (3) respectively, a partition plate (8) is fixedly welded in the middle of the mounting base (3), and the inner side of the mounting base (3) is divided into two cavities which are communicated with the first branch pipe (708) and the second branch pipe (709) respectively.
3. The steam turbine oil cooler of claim 1, wherein: The other end of the ball valve (705) is communicated with external flushing water storage devices through a liquid pump, an oil inlet (201) is arranged on the top side of the cold oil device body (1), and an oil outlet (202) is arranged on the bottom side of the cold oil device body (1).
4. The steam turbine oil cooler of claim 1, wherein: The sewage outlet (6) is communicated with external sewage collection and storage devices, and the sewage outlet (6) is in an openable and closable structure through a valve.
5. The steam turbine oil cooler of claim 1, wherein: A plurality of baffle plates (9) are arranged on the inner side of the cold oil device body (1) in a staggered mode, and the baffle plates (9) are arranged in an equidistant mode.
6. The steam turbine oil cooler of claim 5, wherein: A plurality of copper pipes (10) are arranged through the baffle plates (9) in an equidistant array mode, and the copper pipes (10) are communicated with the internal cavities of the mounting base (3) and the limiting base (5).
7. The steam turbine oil cooler of claim 1, wherein: The first branch pipe (708), the second branch pipe (709) and the liquid conveying pipe (701) are in a Y-shaped structure, and the whole is made of stainless steel.