WO2020248141A1 - 循环式恒流恒压计量泵装置 - Google Patents

循环式恒流恒压计量泵装置 Download PDF

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Publication number
WO2020248141A1
WO2020248141A1 PCT/CN2019/090777 CN2019090777W WO2020248141A1 WO 2020248141 A1 WO2020248141 A1 WO 2020248141A1 CN 2019090777 W CN2019090777 W CN 2019090777W WO 2020248141 A1 WO2020248141 A1 WO 2020248141A1
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WIPO (PCT)
Prior art keywords
valve
plunger pump
constant
pump
liquid
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PCT/CN2019/090777
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English (en)
French (fr)
Inventor
金雪松
王卫军
金宇
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海安县石油科研仪器有限公司
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Priority to PCT/CN2019/090777 priority Critical patent/WO2020248141A1/zh
Publication of WO2020248141A1 publication Critical patent/WO2020248141A1/zh

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    • 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
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • 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
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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

Definitions

  • the invention relates to a petroleum scientific research instrument, in particular to a circulating experimental device capable of simulating downhole constant speed and pressure.
  • a single plunger pump is matched with the kettle body.
  • the plunger pump is like the kettle body inputting high-pressure liquid, simulating the underground high temperature and high pressure environment in the kettle body.
  • Such a device has the following shortcomings: First, when the plunger pump is damaged, it needs to be shut down for maintenance and cannot be used continuously. Second, it cannot simulate the function of the constant flow rate of the underground fluid.
  • the plunger pump as provided by the patent application number 2017101508575, the fast and accurate manual adjustment type constant speed and constant pressure metering pump, through the one-way transmission principle of the worm gear, pressurizes the liquid in the plunger to the kettle body, through the worm gear Drive the worm to realize the reciprocating movement of the plunger, so as to achieve the purpose of pumping and pumping liquid.
  • the invention provides a circulating constant current and constant pressure metering pump device, and the purpose of designing and developing this device; this device can form a high pressure in the kettle body while also simulating the fluidity of the high pressure liquid, thereby more realistically simulating the work of the subterranean liquid
  • This situation is helpful to the conduct of scientific research experiments in oil exploration.
  • a circulating constant current and constant pressure metering pump device includes a closed kettle body 1, characterized in that the circulating constant current and constant pressure metering pump device further includes a first plunger pump 2, The second plunger pump 3, the first valve 4, the second valve 5, the third valve 6, the fourth valve 7, the first valve 4, the second valve 5 and the first plunger pump 2
  • the liquid port and the liquid outlet are connected;
  • the third valve 6 and the fourth valve 7 are respectively connected with the liquid inlet and the liquid outlet of the second plunger pump 3, the first plunger pump 2, the second plunger pump
  • the liquid outlet of the plunger pump 3 is connected to the input end of the kettle body 1 through a pipe, and the liquid inlet of the first plunger pump 2 and the second plunger pump 3 are all connected to the kettle body 1 The output terminal.
  • Both the first plunger pump 2 and the second plunger pump 3 are provided with a pressure gauge 8.
  • the present invention adopts the above technical solution and has the following beneficial effects: when the fourth valve 7 and the first valve 4 are open, the second valve 5 and the third valve 6 are closed, the second plunger pump 3 discharges with a constant flow, and the first plunger pump 2Return the pump at constant pressure.
  • the pump is extremely filled with liquid, which facilitates subsequent drainage.
  • the valve is switched.
  • the fourth valve 7 and the first valve 4 are closed, the second valve 5 and the third valve 6 are open, and the first column
  • the plug pump 2 discharges liquid at a constant flow rate, and the second plunger pump 3 returns the pump at a constant pressure.
  • the medium circulates in the kettle with a constant flow rate and a constant pressure in the direction of the arrow.
  • the system can continue to work for a period of time through the other plunger pump, which greatly gains time for maintenance.
  • the device can simulate the fluidity of the high-pressure liquid while forming high pressure in the cauldron, thereby more realistically simulating the working conditions of the subterranean liquid, which is helpful for the conduct of scientific research experiments in oil exploitation.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • Fig. 1 the kettle body 1, the first plunger pump 2, the second plunger pump 3, the first valve 4, the second valve 5, the third valve 6, the fourth valve 7, and the pressure gauge 8.
  • the circulating constant current and constant pressure metering pump device includes a closed kettle body 1.
  • the circulating constant current and constant pressure metering pump device further includes a first plunger pump 2, a second plunger pump 3, a first valve 4, and a second plunger pump.
  • the second valve 5, the third valve 6, and the fourth valve 7, the first plunger pump 2 and the second plunger pump 3 of the present application use existing products with application number 2017101508575.
  • the kettle body 1 is a pressure vessel with an input end and an output end.
  • the first valve 4 and the second valve 5 are respectively connected to the liquid inlet and the liquid outlet of the first plunger pump 2; the third valve 6 and the fourth valve 7 are respectively connected to the second plunger
  • the liquid inlet and the liquid outlet of the pump 3 are connected, and the liquid outlets of the first plunger pump 2 and the second plunger pump 3 are connected to the input end of the kettle body 1 through a pipe, and the first column
  • the liquid inlets of the plug pump 2 and the second plunger pump 3 are connected to the output end of the kettle body 1.
  • Both the first plunger pump 2 and the second plunger pump 3 are provided with a pressure gauge 8.
  • the first plunger pump 2 is in the uppermost position, and the second plunger pump 3 is in the lowermost position.
  • the circulation pipeline, the kettle body, and the pump cavity are filled with a certain pressure of medium.
  • the fourth valve 7 and the first valve 4 are opened, the second valve 5 and the third valve 6 are closed, the second plunger pump 3 discharges liquid at a constant flow rate, and the first plunger pump 2 returns to the pump at a constant pressure.
  • the pump is extremely filled with liquid, which facilitates subsequent drainage.
  • the valve is switched.
  • the fourth valve 7 and the first valve 4 are closed, the second valve 5 and the third valve 6 are open, and the first column
  • the plug pump 2 discharges liquid at a constant flow rate, and the second plunger pump 3 returns the pump at a constant pressure. In this way, the medium circulates in the kettle with a constant flow rate and a constant pressure in the direction of the arrow.

Abstract

一种循环式恒流恒压计量泵装置，包括密闭的釜体（1），循环式恒流恒压计量泵装置还包括第一柱塞泵（2）、第二柱塞泵（3）、第一阀门（4）、第二阀门（5）、第三阀门（6）、第四阀门（7），第一阀门（4）、第二阀门（5）分别与第一柱塞泵（2）的进液口、出液口连通；第三阀门（6）、第四阀门（7）分别与第二柱塞泵（3）的进液口、出液口连通，该装置能在釜体内形成高压的同时还能够模拟高压液体的流动性，从而更加真实的模拟地下层液的工作状况，有助于石油开采科研实验的进行。

Description

循环式恒流恒压计量泵装置 技术领域
本发明涉及石油科研仪器，具体涉及一种可模拟井下的恒速恒压的循环式实验装置。
背景技术
通常情况下单个的柱塞泵和釜体配合，柱塞泵像釜体中输入高压的液体，将釜体中模拟成地下的高温高压的环境。但是这样的装置存在一下的缺陷：第一、当柱塞泵损坏后需要停机检修，无法持续的使用。第二、不能够模拟地下层液的恒定流速的功能。
柱塞泵的解释：如专利申请号2017101508575所提供的快速精确手动调节型恒速恒压计量泵，通过蜗轮蜗杆的单向传动原理对柱塞内的液体实现加压输送至釜体，通过蜗轮带动蜗杆实现柱塞的往返移动，达到抽吸和压送液体的泵作用目的。
发明内容
本发明提供了循环式恒流恒压计量泵装置，设计开发本装置的目的；本装置能在釜体内形成高压的同时还能够模拟高压液体的流动性，从而更加真实的模拟地下层液的工作状况，有助于石油开采科研实验的进行。
本发明提供了下述技术方案：循环式恒流恒压计量泵装置，包括密闭的釜体1，其特征在于，所述循环式恒流恒压计量泵装置还包括第一柱塞泵2、第二柱塞泵3、第一阀门4、第二阀门5、第三阀门6、第四阀门7，所述第一阀门4、第二阀门5分别与所述第一柱塞泵2的进液口、出液口连通；所述第三阀门6、第四阀门7分别与所述第二柱塞泵3的进液口、出液口连通，所述第一柱塞泵2、第二柱塞泵3的出液口均通过管道接入所述釜体1的输入端，所述第一柱塞泵2、第二柱塞泵3的进液口均接入所述釜体1的输出端。所述第一柱塞泵2、第二柱塞泵3均设有压力计8。
本发明采用上述技术方案具有以下有益效果：当第四阀门7、第一阀门4开，第二阀门5、第三阀门6关，第二柱塞泵3恒流量排液，第一柱塞泵2恒 压退泵。退泵极为装填液体，便于后续的排液。当第一柱塞泵2、第二柱塞泵3其中一个泵到极限位置，进行阀门切换，第四阀门7、第一阀门4关，第二阀门5、第三阀门6开，第一柱塞泵2恒流量排液，第二柱塞泵3恒压退泵。从而使介质沿箭头方向在釜体内以恒定流量、恒定压力循环。其中一柱塞泵损坏后系统可通过另一柱塞泵持续的工作一段时间，大大的争取的检修的时间。本装置能在釜体内形成高压的同时还能够模拟高压液体的流动性，从而更加真实的模拟地下层液的工作状况，有助于石油开采科研实验的进行。
附图说明
图1是本发明的结构示意图。
具体实施方式
以下结合附图与具体实施方式对本发明作进一步描述。
图1中：釜体1、第一柱塞泵2、第二柱塞泵3、第一阀门4、第二阀门5、第三阀门6、第四阀门7、压力计8。
循环式恒流恒压计量泵装置，包括密闭的釜体1，所述循环式恒流恒压计量泵装置还包括第一柱塞泵2、第二柱塞泵3、第一阀门4、第二阀门5、第三阀门6、第四阀门7，本申请的第一柱塞泵2、第二柱塞泵3采用的是申请号2017101508575的现有产品。所述釜体1为设有输入端、输出端的压力容器。所述第一阀门4、第二阀门5分别与所述第一柱塞泵2的进液口、出液口连通；所述第三阀门6、第四阀门7分别与所述第二柱塞泵3的进液口、出液口连通，所述第一柱塞泵2、第二柱塞泵3的出液口均通过管道接入所述釜体1的输入端，所述第一柱塞泵2、第二柱塞泵3的进液口均接入所述釜体1的输出端。所述第一柱塞泵2、第二柱塞泵3均设有压力计8。
第一柱塞泵2在最上位，第二柱塞泵3在最下位，循环管路、釜体、泵腔内充满一定压力的介质。
当第四阀门7、第一阀门4开，第二阀门5、第三阀门6关，第二柱塞泵3恒流量排液，第一柱塞泵2恒压退泵。退泵极为装填液体，便于后续的排液。
当第一柱塞泵2、第二柱塞泵3其中一个泵到极限位置，进行阀门切换，第四阀门7、第一阀门4关，第二阀门5、第三阀门6开，第一柱塞泵2恒流量 排液，第二柱塞泵3恒压退泵。从而使介质沿箭头方向在釜体内以恒定流量、恒定压力循环。

Claims (2)

  1. 循环式恒流恒压计量泵装置，包括密闭的釜体(1)，其特征在于，所述循环式恒流恒压计量泵装置还包括第一柱塞泵(2)、第二柱塞泵(3)、第一阀门(4)、第二阀门(5)、第三阀门(6)、第四阀门(7)，所述第一阀门(4)、第二阀门(5)分别与所述第一柱塞泵(2)的进液口、出液口连通；所述第三阀门(6)、第四阀门(7)分别与所述第二柱塞泵(3)的进液口、出液口连通，所述第一柱塞泵(2)、第二柱塞泵(3)的出液口均通过管道接入所述釜体(1)的输入端，所述第一柱塞泵(2)、第二柱塞泵(3)的进液口均接入所述釜体(1)的输出端。
  2. 根据权利要求1所述的循环式恒流恒压计量泵装置，其特征在于，所述第一柱塞泵(2)、第二柱塞泵(3)均设有压力计(8)。
PCT/CN2019/090777 2019-06-11 2019-06-11 循环式恒流恒压计量泵装置 WO2020248141A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001271739A (ja) * 2000-01-19 2001-10-05 Nikkiso Co Ltd 無脈動ポンプ
JP3903827B2 (ja) * 2002-04-02 2007-04-11 株式会社島津製作所 直列ダブルシリンジ型送液ポンプと液体クロマトグラフ
CN102265034A (zh) * 2008-12-29 2011-11-30 阿尔法拉瓦尔股份有限公司 具有两个泵单元的泵装置、系统、用途和方法
CN102865205A (zh) * 2011-07-04 2013-01-09 株式会社日立工业设备技术 连续送液系统及其控制方法
CN103216294A (zh) * 2012-08-22 2013-07-24 南京科益环保科技有限公司 一种双泵联动装置
CN203272053U (zh) * 2013-06-06 2013-11-06 厦门盈硕科机械制造有限公司 一种双缸循环计量泵
CN106762510A (zh) * 2017-03-14 2017-05-31 海安县石油科研仪器有限公司 快速精确手动调节型恒速恒压计量泵
CN206539464U (zh) * 2017-02-06 2017-10-03 江苏拓创科研仪器有限公司 一种新型恒压恒速泵
CN109882374A (zh) * 2019-04-11 2019-06-14 海安县石油科研仪器有限公司 循环式恒流恒压计量泵装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001271739A (ja) * 2000-01-19 2001-10-05 Nikkiso Co Ltd 無脈動ポンプ
JP3903827B2 (ja) * 2002-04-02 2007-04-11 株式会社島津製作所 直列ダブルシリンジ型送液ポンプと液体クロマトグラフ
CN102265034A (zh) * 2008-12-29 2011-11-30 阿尔法拉瓦尔股份有限公司 具有两个泵单元的泵装置、系统、用途和方法
CN102865205A (zh) * 2011-07-04 2013-01-09 株式会社日立工业设备技术 连续送液系统及其控制方法
CN103216294A (zh) * 2012-08-22 2013-07-24 南京科益环保科技有限公司 一种双泵联动装置
CN203272053U (zh) * 2013-06-06 2013-11-06 厦门盈硕科机械制造有限公司 一种双缸循环计量泵
CN206539464U (zh) * 2017-02-06 2017-10-03 江苏拓创科研仪器有限公司 一种新型恒压恒速泵
CN106762510A (zh) * 2017-03-14 2017-05-31 海安县石油科研仪器有限公司 快速精确手动调节型恒速恒压计量泵
CN109882374A (zh) * 2019-04-11 2019-06-14 海安县石油科研仪器有限公司 循环式恒流恒压计量泵装置

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