WO2019205581A1 - 一种空压机的余热回收装置 - Google Patents

一种空压机的余热回收装置 Download PDF

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Publication number
WO2019205581A1
WO2019205581A1 PCT/CN2018/114985 CN2018114985W WO2019205581A1 WO 2019205581 A1 WO2019205581 A1 WO 2019205581A1 CN 2018114985 W CN2018114985 W CN 2018114985W WO 2019205581 A1 WO2019205581 A1 WO 2019205581A1
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WO
WIPO (PCT)
Prior art keywords
water
heat exchanger
air compressor
storage tank
pipe
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Application number
PCT/CN2018/114985
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English (en)
French (fr)
Inventor
甄爱松
Original Assignee
苏州奥兰斯机械设备有限公司
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Application filed by 苏州奥兰斯机械设备有限公司 filed Critical 苏州奥兰斯机械设备有限公司
Priority to JP2019600104U priority Critical patent/JP3233642U/ja
Publication of WO2019205581A1 publication Critical patent/WO2019205581A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/004—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for engine or machine cooling systems

Definitions

  • the invention relates to a preheating recovery device, in particular to a waste heat recovery device of an air compressor, belonging to the technical field of air compressor application.
  • the air compressor is an abbreviation for air compressor, which is a device for compressing gas.
  • the air compressor is similar in construction to the pump. Most air compressors are reciprocating pistons, rotating blades or rotating screws.
  • the centrifugal compressor is a very large application.
  • the oil pump control system is started first. After the oil pump control system is started, the lubricating parts of the air compressor are well lubricated. At the same time, the oil pump control system can adjust the interior through the built-in temperature control valve. Oil pressure and oil temperature to meet system needs. When the air compressor is working, the oil temperature of the oil system will rise rapidly, and the air compressor waste heat recovery device can use the oil temperature to convert into other forms of energy.
  • the existing air compressor waste heat recovery device still has certain defects when it is used. Although the existing air compressor waste heat recovery device can collect and utilize the preheating, in the course of use, if the oil temperature is not high enough If the water cannot be heated and the insufficiently heated water is directly stored, the quality of the waste heat utilization will be affected. When the existing air compressor waste heat recovery device is used, if the water in the water storage tank is used up, the water pump will dry. If you dry for a long time, it will damage the pump.
  • the present invention achieves the above object through the following technical solutions, including a fixing seat, a heat exchanger, an incubator and a water storage tank, wherein the bottom of the fixing seat is welded at a four-corner position, and the top side of the side wall of the heat exchanger is provided with an oil inlet pipe.
  • An oil outlet pipe is disposed at a bottom of one side wall of the heat exchanger, an outlet pipe is disposed at a top of the side wall of the other side of the heat exchanger, and an inlet pipe is disposed at a bottom of the side wall of the other side of the heat exchanger,
  • the inside of the incubator is provided with a heat preservation bucket, a water pump is arranged inside the water storage tank, and the water pump is connected to the water inlet pipe, and a water level switch is arranged on one side of the water pump, and a connection pipe is arranged on the top of the liquid level switch.
  • One end of the connecting pipe is connected to the water pipe, one end of the water pipe is respectively connected to the first pipe and the second pipe, a first temperature control switch is arranged in the middle of the first pipe, and a second temperature is arranged in the middle of the second pipe. Control switch.
  • the heat exchanger and the incubator are both disposed at the top of the fixed seat, and the heat exchanger is disposed at one side of the incubator.
  • the water storage tank has a rectangular parallelepiped structure, and the water storage tank is disposed at a bottom of the fixed seat.
  • the oil inlet pipe and the oil delivery pipe have the same size and specifications, and the oil inlet pipe and the oil outlet pipe are symmetrically arranged.
  • the water pump is disposed under the fixing base, and the water pump and the heat exchanger are electrically connected to the external power source through the wires.
  • one end of the first conduit is engaged inside the heat preservation bucket, and one end of the second conduit is engaged inside the water storage tank.
  • the liquid level switch is vertically disposed inside the water storage tank.
  • the liquid level switch By setting a liquid level switch in the water storage tank and connecting the liquid level switch to the water pipe, the liquid level switch can be used to detect the amount of water in the water storage tank. When the water quantity is insufficient, the liquid level switch is turned on, and the tap water enters the water storage tank automatically. Water storage effectively prevents the water in the water storage tank from being insufficient and the pump to dry.
  • the second temperature control switch is disposed on the second conduit by respectively engaging the first conduit and the second conduit at one end of the outlet pipe and the first temperature control switch on the first conduit, so that the first temperature control switch can be utilized
  • the second temperature control switch detects the water temperature to ensure that the water reaching the standard temperature can enter the heat preservation barrel, thereby improving the quality of the waste heat utilization.
  • Figure 1 is a schematic view of the overall structure of the present invention.
  • Figure 2 is a schematic view of the overall internal structure of the present invention.
  • Figure 3 is a schematic view showing the internal structure of the water storage tank of the present invention.
  • FIG. 4 is a schematic enlarged view showing the detail of the area A in FIG. 2 of the present invention.
  • the present invention is a waste heat recovery device for an air compressor, comprising a fixed seat 1, a heat exchanger 2, an incubator 3, and a water storage tank 4.
  • the bottom of the fixing seat 1 is welded at the four corners.
  • the top side of the side wall of the heat exchanger 2 is provided with an oil inlet pipe 6
  • the bottom side of the side wall of the heat exchanger 2 is provided with an oil discharging pipe 7
  • the oil inlet pipe 6 and the oil outlet pipe 7 are both empty
  • the oil circuit in the oil circuit system of the press is connected, and the oil enters the heat exchanger 2 from the oil inlet pipe 6.
  • the heat preservation box 3 is provided with a heat preservation barrel 10 for storing high temperature water, and a water pump 11 is arranged inside the water storage tank 4.
  • the water pump 11 is connected to the water inlet pipe 9, and the water pump 11 draws the water in the water storage tank 4 from the water inlet pipe 9 into the heat exchanger 2 for heat exchange.
  • the water pump 11 is provided with a liquid level switch 12, and the liquid level switch 12 is provided at the top of the liquid level switch 12.
  • the connecting pipe 13 is connected to the water pipe 14 at one end of the connecting pipe 13, and the liquid level switch 12 detects the amount of water in the water storage tank 4, and when the amount of water is too small, the liquid level When the shutoff 12 is opened, the tap water enters the water storage tank 4. When a certain amount of water is reached, the liquid level switch 12 is closed to stop the water supply, and one end of the outlet pipe 8 is connected to the first duct 15 and the second duct 17, respectively, and the first duct 15 is provided in the middle.
  • the first temperature control switch 16 is provided with a second temperature control switch 18 in the middle of the second conduit 17, and the heat exchanged water enters the first conduit 15 and the second conduit 17, respectively, from the outlet pipe, and the first temperature control switch 16 and the first
  • the second temperature control switch 18 detects the water temperature respectively.
  • the first temperature control switch 16 is opened, and the water enters the heat preservation barrel 10 to be stored.
  • the second temperature control switch 18 is opened, and the water is second.
  • the conduit 17 is again returned to the reservoir 4 for heat exchange.
  • the heat exchanger 2 and the incubator 3 are both disposed at the top of the fixed seat 1, and the heat exchanger 2 is disposed at one side of the incubator 3, thereby ensuring that the waste heat utilization device can fully convert the oil temperature into the water temperature, and the water storage tank 4 is a rectangular parallelepiped.
  • the structure, and the water storage tank 4 is disposed at the bottom of the fixed seat 1, so that the tap water 4 can be used to store the tap water required for heat exchange, and the oil inlet pipe 6 and the oil discharge pipe 4 have the same size and specifications, and the oil inlet pipe 6 and the oil discharge pipe 4 are Symmetrical setting, so as to ensure that the air compressor oil system can quickly cool down, ensure that the oil circuit system can work normally, the water pump 11 is disposed under the fixed seat 1, and the water pump 11 and the heat exchanger 2 are electrically connected to the external power source through the wires. The water pump 11 and the heat exchanger 2 are both connected to each other so that sufficient electric energy can work normally.
  • One end of the first duct 15 is engaged inside the heat preservation tub 10, and one end of the second duct 17 is engaged inside the water storage tank 4, so that When the water temperature reaches the standard, the water is transported to the heat preservation bucket for storage, and when the water temperature is not up to standard, the water is transported to the water storage tank 4 for heat exchange again, and the liquid level switch 12 is vertically disposed inside the water storage tank 4, thereby ensuring Level switch 12 to work properly, the amount of water in the reservoir tank 4 is detected.
  • the oil inlet pipe 6 and the oil delivery pipe 7 are connected to the oil circuit in the air compressor oil circuit system, and the oil enters the heat exchanger 2 from the oil inlet pipe 6, and after the heat exchange, the oil is discharged from the heat exchanger 2
  • the oil pipe 7 is returned to the oil circuit system, and the water pump 11 draws the water in the water storage tank 4 from the water inlet pipe 9 into the heat exchanger 2 for heat exchange, and the water after the heat exchange is respectively entered into the first conduit 15 by the outlet pipe 8 and
  • the second conduit 17, the first temperature control switch 16 of the type KSD302X and the second temperature control switch 18 of the type KSD302X respectively detect the water temperature.
  • the first temperature control switch 16 When the water temperature reaches the standard, the first temperature control switch 16 is opened, and the water enters the thermal insulation barrel 10 Save, when the water temperature is not up to standard, the second temperature control switch 18 is opened, the water is re-flowed back into the water storage tank 4 by the second conduit 17, ready for heat exchange again, the model SLH-B liquid level switch 12 detects the water storage tank When the amount of water in 4 is too small, the liquid level switch 12 is turned on, and the tap water enters the water storage tank 4. When a certain amount of water is reached, the liquid level switch 12 is closed to stop the water supply.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Compressor (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

一种空压机的余热回收装置，包括固定座（1）、换热器（2）、保温箱（3）和储水槽（4），换热器（2）一侧侧壁顶部和底部分别设有进油管（6）和出油管（7），换热器（2）另一侧侧壁顶部和底部分别设有出水管（8）和进水管（9），储水槽（4）内设有水泵（11），水泵（11）一侧设有液位开关（12），出水管（8）一端分别连接第一导管（15）和第二导管（17），第一导管（15）中部设有第一温控开关（16），第二导管（17）中部设有第二温控开关（18）。

Description

一种空压机的余热回收装置 技术领域
本发明涉及一种预热回收装置，具体为一种空压机的余热回收装置，属于空压机应用技术领域。
 背景技术
空压机是空气压缩机的简称，空气压缩机是一种用以压缩气体的设备。空气压缩机与水泵构造类似。大多数空气压缩机是往复活塞式，旋转叶片或旋转螺杆。离心式压缩机是非常大的应用程序，在启动前，首先启动油泵控制系统，油泵控制系统启动后保证空压机各润滑部件润滑良好，同时油泵控制系统可通过内置的温控阀来调节内部油压和油温，以满足系统需要。空压机在工作的时候油路系统的油温会快速升高，空压机余热回收装置可以将油温利用，转换为其它形式的能量。
但是现有的空压机余热回收装置在使用的时候仍然存在一定的缺陷，现有的空压机余热回收装置虽然能够起将预热收集利用，但是在使用过程中，如果油温不够高就不能将水加热，加热不充分的水直接保存，就会影响余热利用的质量，而且现有的空压机余热回收装置在使用时，如果储水槽内的水用完后，水泵就会干转，长时间干转会损坏水泵。
 技术问题
解决上述空压机余热回收装置余热利用质量不高，水泵易烧毁的问题。
 技术解决方案
本发明通过以下技术方案来实现上述目的，包括固定座、换热器、保温箱和储水槽，所述固定座底部四角位置均焊接支脚，所述换热器一侧侧壁顶部设有进油管，所述换热器一侧侧壁底部设有出油管，所述换热器另一侧侧壁顶部设有出水管，所述换热器另一侧侧壁底部设有进水管，所述保温箱内部设有保温桶，所述储水槽内部设有水泵，且所述水泵连接所述进水管，所述水泵一侧设有液位开关，所述液位开关顶部设有连接管，所述连接管一端连接自来水管，所述出水管一端分别连接所述第一导管和第二导管，所述第一导管中部设有第一温控开关，所述第二导管中部设有第二温控开关。
优选的，所述换热器和保温箱均设置在固定座的顶部，且所述换热器设置在保温箱的一侧。
优选的，所述储水槽呈长方体结构，且所述储水槽设置在固定座的底部。
优选的，所述进油管和出油管大小规格相同，且所述进油管与出油管呈对称设置。
优选的，所述水泵设置在固定座的下方，且所述水泵、换热器均通过导线与外部电源呈电性连接。
优选的，所述第一导管一端卡合在保温桶内部，且所述第二导管一端卡合在储水槽内部。
优选的，所述液位开关垂直设置在储水槽内部。
 有益效果
与现有技术相比，本发明的有益效果是：
通过在储水槽内设置液位开关，并将液位开关连接自来水管，从而可以利用液位开关来检测储水槽内的水量，在水量不足的时候，液位开关打开，自来水进入储水槽内自动蓄水，有效的防止了储水槽内水量不足，水泵干转的现象。
通过在出水管一端分别卡合第一导管和第二导管，并在第一导管上设置第一温控开关，在第二导管上设置第二温控开关，从而可以利用第一温控开关和第二温控开关检测水温，保证温度达标的水才能进入保温桶内，提高了余热利用的质量。
 附图说明
图1为本发明整体结构示意图。
图2为本发明整体内部结构示意图。
[根据细则26改正14.01.2019]　
图3为本发明储水槽内部结构示意图。
图4为本发明图2中A区域细节放大结构示意图。
 本发明的最佳实施方式
请参阅图1-4所示，本发明为一种空压机的余热回收装置，包括固定座1、换热器2、保温箱3和储水槽4，固定座1底部四角位置均焊接支脚5，用来支撑固定固定座1，换热器2一侧侧壁顶部设有进油管6，换热器2一侧侧壁底部设有出油管7，并且进油管6和出油管7均与空压机油路系统中的油路连接，油从进油管6进入换热器2，换热后，油从换热器2由出油管7回到油路系统中，换热器2另一侧侧壁顶部设有出水管8，换热器2另一侧侧壁底部设有进水管9，保温箱3内部设有保温桶10，用来存储高温水，储水槽4内部设有水泵11，且水泵11连接进水管9，并且水泵11抽取储水槽4内的水由进水管9进入换热器2内进行热量交换，水泵11一侧设有液位开关12，液位开关12顶部设有连接管13，连接管13一端连接自来水管14，并且液位开关12检测储水槽4内的水量，在水量过少的时候，液位开关12打开，自来水进入储水槽4内，在达到一定水量的时候，液位开关12闭合，停止供水，出水管8一端分别连接第一导管15和第二导管17，第一导管15中部设有第一温控开关16，第二导管17中部设有第二温控开关18，进行热量交换后的水由出水管分别进入第一导管15和第二导管17，第一温控开关16和第二温控开关18分别检测水温，当水温达标的时候，第一温控开关16打开，水进入保温桶10内保存，当水温不达标的时候，第二温控开关18打开，水由第二导管17重新流回到储水槽4内，准备进行再次热量交换。
换热器2和保温箱3均设置在固定座1的顶部，且换热器2设置在保温箱3的一侧，从而保证余热利用装置能够充分将油温转换为水温，储水槽4呈长方体结构，且储水槽4设置在固定座1的底部，从而可以利用储水槽4储存热交换所需要用到的自来水，进油管6和出油管4大小规格相同，且进油管6与出油管4呈对称设置，从而保证空压机油路系统能够快速降温，保证油路系统能够正常工作，水泵11设置在固定座1的下方，且水泵11、换热器2均通过导线与外部电源呈电性连接，从而使的水泵11和换热器2均能够有足够的电能正常工作，第一导管15一端卡合在保温桶10内部，且第二导管17一端卡合在储水槽4内部，从而可以在水温达标的时候将水运输至保温桶内保存，在水温不达标的时候将水运输至储水槽4内，进行再次热量交换，液位开关12垂直设置在储水槽4内部，从而保证液位开关12能够正常工作，检测储水槽4内的水量。
本发明在使用时，进油管6和出油管7均与空压机油路系统中的油路连接，油从进油管6进入换热器2，换热后，油从换热器2由出油管7回到油路系统中，同时水泵11抽取储水槽4内的水由进水管9进入换热器2内进行热量交换，进行热量交换后的水由出水管8分别进入第一导管15和第二导管17，型号为KSD302X的第一温控开关16和型号为KSD302X的第二温控开关18分别检测水温，当水温达标的时候，第一温控开关16打开，水进入保温桶10内保存，当水温不达标的时候，第二温控开关18打开，水由第二导管17重新流回到储水槽4内，准备进行再次热量交换，型号为SLH-B液位开关12检测储水槽4内的水量，在水量过少的时候，液位开关12打开，自来水进入储水槽4内，在达到一定水量的时候，液位开关12闭合，停止供水。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。

Claims (7)

  1. 一种空压机的余热回收装置，包括固定座（1）、换热器（2）、保温箱（3）和储水槽（4），其特征在于：所述固定座（1）底部四角位置均焊接支脚（5），所述换热器（2）一侧侧壁顶部设有进油管（6），所述换热器（2）一侧侧壁底部设有出油管（7），所述换热器（2）另一侧侧壁顶部设有出水管（8），所述换热器（2）另一侧侧壁底部设有进水管（9），所述保温箱（3）内部设有保温桶（10），所述储水槽（4）内部设有水泵（11），且所述水泵（11）连接所述进水管（9），所述水泵（11）一侧设有液位开关（12），所述液位开关（12）顶部设有连接管（13），所述连接管（13）一端连接自来水管（14），所述出水管（8）一端分别连接所述第一导管（15）和第二导管（17），所述第一导管（15）中部设有第一温控开关（16），所述第二导管（17）中部设有第二温控开关（18）。
  2. 根据权利要求1所述的一种空压机的余热回收装置，其特征在于：所述换热器（2）和保温箱（3）均设置在固定座（1）的顶部，且所述换热器（2）设置在保温箱（3）的一侧。
  3. 根据权利要求2所述的一种空压机的余热回收装置，其特征在于：所述储水槽（4）呈长方体结构，且所述储水槽（4）设置在固定座（1）的底部。
  4. 根据权利要求3所述的一种空压机的余热回收装置，其特征在于：所述进油管（6）和出油管（4）大小规格相同，且所述进油管（6）与出油管（4）呈对称设置。
  5. 根据权利要求4所述的一种空压机的余热回收装置，其特征在于：所述水泵（11）设置在固定座（1）的下方，且所述水泵（11）、换热器（2）均通过导线与外部电源呈电性连接。
  6. 根据权利要求5所述的一种空压机的余热回收装置，其特征在于：所述第一导管（15）一端卡合在保温桶（10）内部，且所述第二导管（17）一端卡合在储水槽（4）内部。
  7. 根据权利要求6所述的一种空压机的余热回收装置，其特征在于：所述液位开关（12）垂直设置在储水槽（4）内部。
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