CN108026907A - 用于容积泵的补偿装置 - Google Patents
用于容积泵的补偿装置 Download PDFInfo
- Publication number
- CN108026907A CN108026907A CN201680056387.XA CN201680056387A CN108026907A CN 108026907 A CN108026907 A CN 108026907A CN 201680056387 A CN201680056387 A CN 201680056387A CN 108026907 A CN108026907 A CN 108026907A
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- Prior art keywords
- storage tank
- liquid level
- control valve
- control module
- liquid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
-
- 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
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
- F04B11/0016—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring
- F04B11/0025—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators with a fluid spring the spring fluid being in direct contact with the pumped fluid
-
- 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
- F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
- F04B11/0041—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation by piston speed control
-
- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous
-
- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/04—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being hot or corrosive
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
Abstract
一种用于容积泵的补偿装置,包括:储罐(2),该储罐(2)预先布置成与泵(P)的传送管线(O)连接和与增压气体源(A)连接;控制阀(3),该控制阀(3)布置成用于打开或关闭在储罐(2)和增压气体源(A)之间的连接;以及控制模块(4),该控制模块(4)与控制阀(3)连接。所述装置包括与储罐(2)相关的液面传感器(5),用于检测储罐(2)内部的液体的阈值液面高度,并与控制模块(4)连接,用于向所述控制模块(4)发送表示液面高度高于阈值高度的至少一个操作信号。控制模块(4)设置成在存在所述操作信号时确定控制阀(3)的打开,并在没有所述操作信号时确定控制阀(3)的关闭。
Description
本发明的目的是一种用于容积泵的补偿装置。
本发明有利地用于补偿在活塞泵传送点处的流速和压力的脉动,特别是在存在磨蚀性和/或腐蚀性液体的情况下,例如在用于处理陶瓷粉浆(slips)的设备中。
在这样的设备中通常使用大功率活塞泵,该大功率活塞泵沿处理线供给陶瓷粉浆的。布置成与泵的传送管线连通的储罐用于补偿在泵的传送点处的流速和压力的脉动。这些储罐局部充装有泵送的液体,局部充装有压缩至预定压力的空气。为了减少在泵传送点处的压力和流速的脉动,罐内的压力必须基本保持恒定。
补偿储罐基本根据储罐内部的空气压力来管理。为此,压力计布置成与储罐连通,并与控制面板连接,该控制面板确定压缩空气供给阀的打开和关闭。当压力降至低于给定界限值时,控制面板命令打开阀,以便再次使得空气注入储罐中。
压力计的使用会涉及多个缺点。实际上,压力计的操作可能受到杂质的存在和温度的突然波动的影响,从而危害到储罐内的压力的正确控制。
本发明的目的是提供一种用于容积泵的补偿装置,它能够改进当前可用的装置的特征。
通过下面对本发明实施例的详细说明,将更清楚本发明的特征和优点,该实施例通过附图1中的非限定实例来说明,该附图1是根据本发明的装置的示意图。
参考附图,根据本发明的补偿装置包括储罐(2),该储罐(2)预先布置成与泵(P)的传送管线(O)连接和与增压气体源(A)连接。泵(P)例如是活塞泵。压缩气体源(A)例如是通常存在于所有工业设备系统中的压缩空气回路。储罐(2)装备有用于安全和控制功能的压力计(7)。
控制阀(3)置于储罐(2)和气体源(A)之间。该控制阀(3)布置成打开或关闭在储罐(2)和气体源(A)之间的连接,从而分别采取打开构型和关闭构型。控制阀(3)与控制模块(4)连接,该控制模块(4)在打开和关闭构型中驱动控制阀(3)。
补偿装置包括与储罐(2)相关的液面传感器(5)。该液面传感器(5)用于检测在储罐(2)内部的液体的阈值液面高度。液面传感器(5)还与控制模块(4)连接,用于向模块(4)发送表示液体的液面高度高于阈值高度的至少一个操作信号。
换句话说,液面传感器(5)位于储罐(2)上的给定高度处,以便检测液体在该给定高度处的存在或不存在,其对应于阈值液面高度。当传感器(5)检测到液体的存在时,这意味着储罐(2)内部的液体的液面高度等于或高于阈值液面高度,且传感器(5)发送它的操作信号。当传感器(5)未检测到液体的存在时,储罐(2)内部的液体的液面高度低于阈值液面高度,且传感器(5)停止发送它的操作信号,并发送与操作信号不同的信号。
传感器(5)构造成直接测量储罐(2)内部的液体的液面高度。换句话说,传感器(5)的至少一部分或一个区域与储罐(2)内部的液体接触或能够接触。这使得能够获得基本瞬时和直接的、储罐(2)内部的液体的液面高度的测量值。
优选是,传感器(5)为电容类型传感器,但它也可以是其它类型,例如浮子传感器。
控制模块(4)设置成在有由传感器(5)发送的操作信号的情况下确定控制阀(3)的打开,并且在没有所述操作信号的情况下确定控制阀(3)的关闭。
控制阀(3)的打开使得增压气体能够被引入储罐(2)内部。由气体在存在于储罐(2)中的液体上施加的推力使得液面高度降低。当液面高度降低至低于阈值液面高度时,传感器(5)停止发送它的操作信号或者发送与操作信号不同的信号,且控制模块确定控制阀(3)的关闭。这样,通过确定控制阀(3)的打开和关闭(与由液面传感器(5)发送的信号相关),能够使得在储罐内的液面高度保持基本恒定,因此可用于空气的容积也保持基本恒定。
本质上,所述装置根据存在于储罐(2)内部的空气容积来控制,而不是根据在储罐(2)内存在的压力(如在当前可用的装置中)。这能够避免使用压力计来控制该装置。
在储罐(2)内的液面高度以预定时间间隔来检测。优选是,确定检测频率以便防止液面高度的过度升高,同时防止控制阀(3)的过于频繁的驱动。
Claims (6)
1.一种用于容积泵的补偿装置,包括:储罐(2),所述储罐(2)预先布置成与泵(P)的传送管线(O)连接和与增压气体源(A)连接;控制阀(3),所述控制阀(3)布置成用于打开或关闭在储罐(2)和增压气体源(A)之间的连接;以及控制模块(4),所述控制模块(4)与控制阀(3)连接;其特征在于:
所述装置还包括与储罐(2)相关的液面传感器(5),用于检测所述储罐(2)内部的液体的阈值液面高度,并与控制模块(4)连接,用于向所述控制模块(4)发送表示液面高度高于阈值液面高度的至少一个操作信号;
所述控制模块(4)设置成用于在存在所述操作信号时确定所述控制阀(3)的打开,并且在没有所述操作信号时确定所述控制阀(3)的关闭。
2.根据权利要求1所述的补偿装置,其中:液面传感器(5)构造得用于直接测量在储罐(2)内部的液体的液面高度。
3.根据权利要求1所述的补偿装置,其中:液面传感器(5)的至少一个部分或一个区域布置成与在储罐(2)内部的液体接触或能够直接接触。
4.根据权利要求1所述的补偿装置,其中:所述液面高度传感器(5)是电容传感器。
5.一种用于储罐(2)的控制方法,所述储罐预先布置成与泵(P)的传送管线(O)连接,所述控制方法包括以下步骤:
检测所述储罐(2)内部的液面高度;
当液面高度高于阈值水平时,允许将增压气体供给所述储罐(2);
当液面高度低于阈值水平时,防止将增压气体供给所述储罐(2)。
6.根据权利要求5所述的方法,其中:以预定时间间隔来检测液面高度。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUB2015A004014A ITUB20154014A1 (it) | 2015-09-29 | 2015-09-29 | Dispositivo compensatore per pompe volumetriche. |
IT102015000056030 | 2015-09-29 | ||
PCT/IB2016/055766 WO2017055994A1 (en) | 2015-09-29 | 2016-09-27 | A compensating device for volumetric pumps |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108026907A true CN108026907A (zh) | 2018-05-11 |
Family
ID=55237719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680056387.XA Pending CN108026907A (zh) | 2015-09-29 | 2016-09-27 | 用于容积泵的补偿装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180258924A1 (zh) |
EP (1) | EP3356674A1 (zh) |
CN (1) | CN108026907A (zh) |
BR (1) | BR112018004938A2 (zh) |
IT (1) | ITUB20154014A1 (zh) |
MX (1) | MX2018003900A (zh) |
WO (1) | WO2017055994A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020209806A1 (en) * | 2019-04-10 | 2020-10-15 | Pvte Company Limited | Calibration method for liquid flowmeter |
TWI735116B (zh) * | 2019-12-25 | 2021-08-01 | 財團法人國家同步輻射研究中心 | 低振動冰液機系統 |
CN113614369A (zh) * | 2019-03-25 | 2021-11-05 | 玫海伟尔特股份有限公司 | 泵以及相关联的系统和方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112897446B (zh) * | 2021-01-20 | 2023-01-13 | 浙江华安安全设备有限公司 | 催泪喷射器液体回收设备 |
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US2004417A (en) * | 1929-05-13 | 1935-06-11 | Penn Electric Switch Co | Air volume controlling device for water storage tanks |
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US6742534B2 (en) * | 2002-05-30 | 2004-06-01 | Richard John Hogsden | Method of damping surges in a liquid system |
JP4915897B2 (ja) * | 2005-07-19 | 2012-04-11 | 東京エレクトロン株式会社 | 脈動軽減装置及び検査装置 |
-
2015
- 2015-09-29 IT ITUB2015A004014A patent/ITUB20154014A1/it unknown
-
2016
- 2016-09-27 US US15/758,448 patent/US20180258924A1/en not_active Abandoned
- 2016-09-27 EP EP16794420.6A patent/EP3356674A1/en not_active Withdrawn
- 2016-09-27 MX MX2018003900A patent/MX2018003900A/es unknown
- 2016-09-27 BR BR112018004938A patent/BR112018004938A2/pt not_active Application Discontinuation
- 2016-09-27 WO PCT/IB2016/055766 patent/WO2017055994A1/en active Application Filing
- 2016-09-27 CN CN201680056387.XA patent/CN108026907A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US2004417A (en) * | 1929-05-13 | 1935-06-11 | Penn Electric Switch Co | Air volume controlling device for water storage tanks |
US4182358A (en) * | 1976-07-12 | 1980-01-08 | Vsesojuzny Nauchno-Issledovatelsky Institut Komplexnoi Avtomatizatsii Neftyanoi I Gazovoi Promyshlennosti | System for limiting rate of pressure rise in pipeline during hydraulic impact |
CN1119887A (zh) * | 1993-03-25 | 1996-04-03 | 夏尔拉特公司 | 液压气动式水罐的空气调节系统 |
CN101365877A (zh) * | 2005-12-14 | 2009-02-11 | 韦尔矿物荷兰有限公司 | 用于衰减被泵抽的介质中的排放脉动的气体体积衰减装置 |
CN103541889A (zh) * | 2012-07-17 | 2014-01-29 | 北越工业株式会社 | 压缩机的吸气部构造 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113614369A (zh) * | 2019-03-25 | 2021-11-05 | 玫海伟尔特股份有限公司 | 泵以及相关联的系统和方法 |
WO2020209806A1 (en) * | 2019-04-10 | 2020-10-15 | Pvte Company Limited | Calibration method for liquid flowmeter |
US11768099B2 (en) | 2019-04-10 | 2023-09-26 | Pvte Company Limited | Calibration method for liquid flowmeter |
TWI735116B (zh) * | 2019-12-25 | 2021-08-01 | 財團法人國家同步輻射研究中心 | 低振動冰液機系統 |
Also Published As
Publication number | Publication date |
---|---|
EP3356674A1 (en) | 2018-08-08 |
MX2018003900A (es) | 2018-05-23 |
US20180258924A1 (en) | 2018-09-13 |
WO2017055994A1 (en) | 2017-04-06 |
BR112018004938A2 (pt) | 2018-10-09 |
ITUB20154014A1 (it) | 2017-03-29 |
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