WO2019227284A1 - 汽轮机装置 - Google Patents

汽轮机装置 Download PDF

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Publication number
WO2019227284A1
WO2019227284A1 PCT/CN2018/088689 CN2018088689W WO2019227284A1 WO 2019227284 A1 WO2019227284 A1 WO 2019227284A1 CN 2018088689 W CN2018088689 W CN 2018088689W WO 2019227284 A1 WO2019227284 A1 WO 2019227284A1
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WIPO (PCT)
Prior art keywords
oil
pipe
auxiliary
pump
bearing box
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PCT/CN2018/088689
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English (en)
French (fr)
Inventor
孟献亮
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Meng Xianliang
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Application filed by Meng Xianliang filed Critical Meng Xianliang
Priority to PCT/CN2018/088689 priority Critical patent/WO2019227284A1/zh
Publication of WO2019227284A1 publication Critical patent/WO2019227284A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/12—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/02—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with gravity feed or drip lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F16N7/40—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems in a closed circulation system

Definitions

  • the invention relates to the field of chemical machinery, in particular to a cooling oil auxiliary device for a steam turbine.
  • Sodium sulfate, inorganic compounds, sodium decahydrate, also known as thenardite, high-purity, fine-grained anhydrous is called Yuanming powder.
  • the raw nitrate water extracted from the sodium chloride-associated ore is used by the nitrate manufacturer to evaporate sodium sulfate and sodium chloride according to the relationship between the saturation solubility of nitrate and temperature. It requires boiler heating.
  • the evaporation tank is a five-effect evaporation tank.
  • Energy-saving and emission-reducing high-temperature steam needs to be used multiple times (five times). After the steam passes through two evaporation tanks, its temperature drops below 100 ° C. In order to make the nitrate water easily evaporate, the evaporation tank needs to maintain a certain degree of vacuum, which is about to evaporate.
  • the tank communicates with the condenser, and the pump pumps the cold water cooled by the cooling tower to the condenser spray condenser.
  • the production enterprise uses high-pressure steam generated by the combustion of the boiler to drive the steam turbine, thereby driving the water pump to draw water from the cooling tower to spray the condenser.
  • the bearings in the gearbox will quickly rise in temperature under thousands of revolutions, which will cause the bearings in the bearing box to be damaged. Therefore, the cooling oil flowing in and out will protect the bearings in the gear box by taking away the heat.
  • the cooling oil is delivered by the oil pump of the cooling oil system.
  • the invention provides a cooling oil auxiliary device for a steam turbine, which solves the problem that the cooling oil of the prior art steam turbine can only be stopped and repaired when both oil pumps have problems, which affects production efficiency.
  • Steam turbine cooling oil auxiliary device includes oil pool, oil pump 1, oil pump 2, oil inlet pipe and oil return pipe, the oil pump 1 and oil pump 2 are arranged above the oil pool, and oil pump 1 and oil pump 2 pass check valve and oil supply pipe respectively
  • the oil supply pipe is provided with a check valve, and the oil supply pipe is respectively connected to the oil inlet pipe and the auxiliary oil pipe.
  • the oil inlet pipe is connected to the bearing box
  • the auxiliary oil pipe is connected to the spare oil tank
  • the auxiliary oil pipe is provided.
  • There is a valve the spare oil tank is higher than the bearing box, and the spare oil tank communicates with the oil pool through the auxiliary oil pipe 2.
  • An overflow valve is provided on the auxiliary oil pipe 2.
  • a cooling device is provided above the oil pool, and the bearing box is cooled by the oil return pipe.
  • the cooling device includes a bracket, a shell provided on the bracket, and an oil pipe communicating with the top of the shell.
  • the shell is supported by the bracket above the oil pool, and the oil pipe is connected to the oil return pipe.
  • the opposite side is provided with a heat dissipation hole, and the middle part of the casing is fixedly connected by a support block.
  • the support block is rotatably connected with a shaft.
  • the middle part of the shaft is provided with a plurality of impact plates.
  • the impact plates are rectangular pieces. Circumferential array of impingement plate on the pivot shaft, provided on one side of the shaft pipe, both ends of the shaft located cooling holes from the outside of the fan blades is fixedly connected with a plurality of oil outlet holes on the bottom plate of the housing.
  • the oil outlet holes are long holes, and a plurality of oil outlet holes are arrayed on the bottom plate of the casing.
  • a further improvement of the present invention is that the oil pipe is located above the impact plate on the side of the rotating shaft.
  • a further improvement of the present invention is that the spare oil tank is 10 meters higher than the bearing box.
  • the present invention has the following advantages:
  • the structure of the present invention is simple. While the cooling oil enters the bearing box during normal operation, it enters the high-level spare oil tank through the auxiliary oil pipe. When the oil pump of the temperature reduction system stops operating, the oil in the spare oil tank passes under static pressure. The auxiliary oil pipe and the inlet pipe enter the bearing box, leaving enough time to handle the oil pump;
  • the high-temperature oil in the oil return pipe falls on the impact plate.
  • the impact plate drives the shaft to rotate.
  • One end of the fan blades of the shaft blows air into the housing, and the other side sucks out the air that has exchanged heat with the oil and takes away the part.
  • the heat of the oil the potential energy of the oil is converted into the kinetic energy of the fan blades, no additional electrical energy is needed, and the fan blades blow away the heat in the high temperature oil, so that the cooling oil returns to the oil pool at a lower temperature, reducing the cooling oil Time-consuming cooling in the oil sump;
  • the oil outlet is a long hole, and multiple oil outlets are arrayed on the bottom plate of the casing, so that the cooling oil flowing out of the casing is thin-screened, and the heat exchange with the air is fully carried out, which further makes the cooling oil at a lower level.
  • the temperature returns to the oil sump.
  • FIG. 1 is a schematic structural diagram of the present invention.
  • Fig. 2 is a schematic diagram of a cooling device.
  • FIG. 3 is a top view of FIG. 2.
  • FIG. 4 is a top cross-sectional view of FIG. 2.
  • FIG. 5 is a front sectional view of FIG. 2.
  • the auxiliary oil cooling device for the steam turbine includes an oil tank 1, an oil pump 10, an oil pump II 11, an oil inlet pipe 96, and an oil return pipe 8.
  • the oil pump 10 The oil pump two 11 is located above the oil pool 1, and the oil pump one 10 and the oil pump two 11 communicate with the oil supply pipe 3 through a check valve, respectively.
  • the oil supply pipe 3 is provided with a check valve, and the oil supply pipe 3 and
  • the oil inlet pipe 96 is connected to the auxiliary oil pipe 5, wherein the oil inlet pipe 96 communicates with the bearing box 7, the auxiliary oil pipe 5 is connected to the spare oil tank 4, and the auxiliary oil pipe 5 is provided with a valve.
  • the spare oil tank 4 is higher than the bearing box 7.
  • a cooling device 9 is provided above the oil pool 1.
  • the bearing box 7 is connected to the cooling device 9 through the oil return pipe 8.
  • the cooling device 9 includes a bracket 91, a casing 92 provided on the bracket 91, and an oil pipe 96 communicated with the top of the casing 92.
  • the casing 92 is supported by the bracket 91 above the oil pool.
  • the oil pipe 8 is connected, and a heat dissipation hole 94 is provided on the opposite side of the casing 92, and the middle portion of the casing 92 is fixedly connected by a support block 9 7.
  • the support block 97 is rotatably connected to a rotation shaft 98.
  • a plurality of impact plates 99 are provided in the middle of the rotation shaft 98.
  • the impact plates 99 are rectangular pieces.
  • a plurality of impact plates 99 are circumferentially arrayed on the rotation shaft 98.
  • An oil pipe 96 is provided on the rotation shaft 98.
  • On one side both ends of the rotating shaft 98 are located outside the heat dissipation hole 94 and are fixedly connected by a fan blade 95.
  • the bottom plate of the casing 92 is provided with a plurality of oil outlet holes 93.
  • the oil outlet holes 93 are elongated holes.
  • a plurality of oil outlet holes 93 are arrayed on the bottom plate of the casing 92, the oil pipe 96 is located above the impact plate 99 on the side of the rotating shaft 98, and the spare oil tank 4 is 10 meters higher than the bearing box 7.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

一种汽轮机装置，包括油池（1）、油泵一（10）、油泵二（11）、进油管（6）以及回油管（8），所述油泵一（10）与油泵二（11）设于油池（1）上方，且油泵一（10）与油泵二（11）分别通过止回阀与供油管（3）连通，该供油管（3）上设有止回阀，且供油管（3）分别与进油管（6）与辅助油管一（5）相连，其中，进油管（6）与轴承箱（7）连通，辅助油管一（5）与备用油箱（4）相连，且辅助油管一（5）上设有阀门，该备用油箱（4）高于轴承箱（7），且备用油箱（4）通过辅助油管二（2）与油池（1）连通，辅助油管二（2）上设有溢流阀，所述油池（1）上方设有冷却装置（9），轴承箱（7）通过回油管（8）与冷却装置（9）相连。该汽轮机装置结构简单，正常运行过程中冷却油在进入轴承箱（7）的同时，通过辅助油管一（5）进入高位备用油箱（4）内，当减温系统的油泵故障停止运行时，备用油箱（4）内油在静压下通过辅助油管一（5）与进油管（6）进入轴承箱（7），留下足够的时间来处理油泵。

Description

汽轮机装置 技术领域
本发明涉及化工机械领域，具体涉及汽轮机冷却油辅助装置。
背景技术
硫酸钠，无机化合物，十水合硫酸钠又名芒硝、高纯度、颗粒细的无水物称为元明粉。主要用于制造水玻璃、玻璃、瓷釉、纸浆、致冷混合剂、洗涤剂、干燥剂、染料稀释剂、分析化学试剂、医药品、饲料等。从氯化钠型伴生矿溶采的原硝水，制硝企业根据硝盐饱和溶解度与温度关系特点采用蒸发析出硫酸钠与氯化钠，需要锅炉加热，蒸发罐为五效蒸发罐，企业为了节能减排高温蒸汽需要多次(五次)利用，而蒸汽经过两个蒸发罐后，其温度下降到100℃以下，为了使得硝水易于蒸发，需使得蒸发罐保持一定的真空度，即将蒸发罐与冷凝器相通，水泵将冷却塔冷却的冷水抽至冷凝器喷淋冷凝器，目前，生产企业使用锅炉燃烧产生的高压蒸汽驱动汽轮机，从而驱动水泵从冷却塔抽水喷淋冷凝器，然而，汽轮机在运行过程中变速箱中的轴承在数千转的情况下温度会快速提升导致轴承箱中的轴承损坏，所以通过流进流出的冷却油带走热量的方式来保护齿轮箱中的轴承，而冷却油是通过冷却油系统的油泵来输送的，油泵虽然有两台，但是在两台油泵都出问题时，只能停机修理，影响生产效率。
发明内容
本发明提供汽轮机冷却油辅助装置，解决了现有技术汽轮机的冷 却油在两台油泵都出问题时只能停机修理而影响生产效率的问题。
本发明通过以下技术方案实现：
汽轮机冷却油辅助装置，包括油池、油泵一、油泵二、进油管以及回油管，所述油泵一与油泵二设于油池上方，且油泵一与油泵二分别通过止回阀与供油管连通，该供油管上设有止回阀，且供油管分别与进油管与辅助油管一相连，其中，进油管与轴承箱连通，辅助油管一与备用油箱相连，且辅助油管一上设有阀门，该备用油箱高于轴承箱，且备用油箱通过辅助油管二与油池连通，辅助油管二上设有溢流阀，所述油池上方设有冷却装置，轴承箱通过回油管与冷却装置相连，该冷却装置包括支架、设于支架上的壳体以及与壳体顶部连通的油管，所述壳体由支架支撑于油池上方，所述油管与回油管相连，所述壳体的相对侧面上设有散热孔，且壳体的中部固定连接由支撑块，该支撑块上转动连接有转轴，转轴的中部设有多个冲击板，冲击板为长方形片，多个冲击板圆周阵列于转轴上，油管设于转轴的一侧，转轴的两端位于散热孔的外侧固定连接由风扇叶片，所述壳体的底板上设有多个出油孔。
本发明进一步改进方案是，所述出油孔为长条孔，多个出油孔阵列于壳体的底板上。
本发明进一步改进方案是，所述油管位于转轴一侧的冲击板的上方。
本发明进一步改进方案是，所述备用油箱比轴承箱高10米。
本发明与现有技术相比，具有如下优点：
1、本发明结构简单，正常运行过程中冷却油在进入轴承箱的同时，通过辅助油管一进入高位备用油箱内，当减温系统的油泵故障停止运行时，备用油箱内油在静压下通过辅助油管一与进油管进入轴承箱，留下足够的时间来处理油泵；
2、回油管中的高温油，落在冲击板上，冲击板带动转轴转动，转轴两端的风扇叶片，一端向壳体内吹入空气，一端将与油交换过热量的空气抽走而带走部分油的热量，油的势能转化为转化为风扇叶片的动能，无需额外使用电能，且风扇叶片将高温油内的热量吹走，使得冷却油在一个较低的温度回到油池内，减少冷却油在油池中的冷却耗时；
3、出油孔为长条孔，多个出油孔阵列于壳体的底板上，使得壳体内流出的冷却油为薄幕状，充分与空气进行热交换，进一步使得冷却油在一个较低的温度回到油池内。
附图说明
图1为本发明的结构示意图。
图2为冷却装置的示意图。
图3为图2的俯视图。
图4为图2的俯视剖视图。
图5为图2的主视剖视图。
具体实施方式
下面结合附图和实施例对本发明做进一步的说明。
如图1、图2、图3、图4以及图5所示，汽轮机冷却油辅助装置，包括油池1、油泵一10、油泵二11、进油管96以及回油管8，所述油泵一10与油泵二11设于油池1上方，且油泵一10与油泵二11分别通过止回阀与供油管3连通，该供油管3上设有止回阀，且供油管3分别与进油管96与辅助油管一5相连，其中，进油管96与轴承箱7连通，辅助油管一5与备用油箱4相连，且辅助油管一5上设有阀门，该备用油箱4高于轴承箱7，且备用油箱4通过辅助油管二2与油池1连通，辅助油管二2上设有溢流阀，所述油池1上方设有冷却装置9，轴承箱7通过回油管8与冷却装置9相连，该冷却装置9包括支架91、设于支架91上的壳体92以及与壳体92顶部连通的油管96，所述壳体92由支架91支撑于油池上方，所述油管96与回油管8相连，所述壳体92的相对侧面上设有散热孔94，且壳体92的中部固定连接由支撑块97，该支撑块97上转动连接有转轴98，转轴98的中部设有多个冲击板99，冲击板99为长方形片，多个冲击板99圆周阵列于转轴98上，油管96设于转轴98的一侧，转轴98的两端位于散热孔94的外侧固定连接由风扇叶片95，所述壳体92的底板上设有多个出油孔93，所述出油孔93为长条孔，多个出油孔93阵列于壳体92的底板上，所述油管96位于转轴98一侧的冲击板99的上方，所述备用油箱4比轴承箱7高10米。
应当指出的是，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (4)

  1. 汽轮机装置，其特征在于：包括油池(1)、油泵一(10)、油泵二(11)、进油管(96)以及回油管(8)，所述油泵一(10)与油泵二(11)设于油池(1)上方，且油泵一(10)与油泵二(11)分别通过止回阀与供油管(3)连通，该供油管(3)上设有止回阀，且供油管(3)分别与进油管(96)与辅助油管一(5)相连，其中，进油管(96)与轴承箱(7)连通，辅助油管一(5)与备用油箱(4)相连，且辅助油管一(5)上设有阀门，该备用油箱(4)高于轴承箱(7)，且备用油箱(4)通过辅助油管二(2)与油池(1)连通，辅助油管二(2)上设有溢流阀，所述油池(1)上方设有冷却装置(9)，轴承箱(7)通过回油管(8)与冷却装置(9)相连，该冷却装置(9)包括支架(91)、设于支架(91)上的壳体(92)以及与壳体(92)顶部连通的油管(96)，所述壳体(92)由支架(91)支撑于油池上方，所述油管(96)与回油管(8)相连，所述壳体(92)的相对侧面上设有散热孔(94)，且壳体(92)的中部固定连接由支撑块(97)，该支撑块(97)上转动连接有转轴(98)，转轴(98)的中部设有多个冲击板(99)，冲击板(99)为长方形片，多个冲击板(99)圆周阵列于转轴(98)上，油管(96)设于转轴(98)的一侧，转轴(98)的两端位于散热孔(94)的外侧固定连接由风扇叶片(95)，所述壳体(92)的底板上设有多个出油孔(93)。
  2. 根据权利要求1所述的汽轮机装置，其特征在于：所述出油孔(93)为长条孔，多个出油孔(93)阵列于壳体(92)的底板 上。
  3. 根据权利要求1所述的汽轮机装置，其特征在于：所述油管(96)位于转轴(98)一侧的冲击板(99)的上方。
  4. 根据权利要求1所述的汽轮机装置，其特征在于：所述备用油箱(4)比轴承箱(7)高10米。
PCT/CN2018/088689 2018-05-28 2018-05-28 汽轮机装置 WO2019227284A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112066261A (zh) * 2020-07-30 2020-12-11 中广核核电运营有限公司 调节油系统补油装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014133742A1 (en) * 2013-03-01 2014-09-04 American Piledriving Equipment, Inc. Bearing cooling system for vibratory pile devices
CN205781936U (zh) * 2016-05-17 2016-12-07 赣州市力加能源有限公司 一种润滑油快速冷却装置
CN206246994U (zh) * 2016-11-23 2017-06-13 太原钢铁(集团)有限公司 一种设备失电自润滑装置
CN207065040U (zh) * 2017-06-27 2018-03-02 陕西中润液压设备有限公司 一种汽轮机用润滑油站
CN107900910A (zh) * 2017-12-28 2018-04-13 奉正中 一种数控机床加工用冷却装置
CN208057171U (zh) * 2018-04-16 2018-11-06 江苏白玫化工有限公司 汽轮机冷却油辅助装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014133742A1 (en) * 2013-03-01 2014-09-04 American Piledriving Equipment, Inc. Bearing cooling system for vibratory pile devices
CN205781936U (zh) * 2016-05-17 2016-12-07 赣州市力加能源有限公司 一种润滑油快速冷却装置
CN206246994U (zh) * 2016-11-23 2017-06-13 太原钢铁(集团)有限公司 一种设备失电自润滑装置
CN207065040U (zh) * 2017-06-27 2018-03-02 陕西中润液压设备有限公司 一种汽轮机用润滑油站
CN107900910A (zh) * 2017-12-28 2018-04-13 奉正中 一种数控机床加工用冷却装置
CN208057171U (zh) * 2018-04-16 2018-11-06 江苏白玫化工有限公司 汽轮机冷却油辅助装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112066261A (zh) * 2020-07-30 2020-12-11 中广核核电运营有限公司 调节油系统补油装置

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