WO2020244106A1 - System and method for realizing continuous addition of sand into pre-mixed abrasive water jet by high-pressure mortar pump - Google Patents

System and method for realizing continuous addition of sand into pre-mixed abrasive water jet by high-pressure mortar pump Download PDF

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Publication number
WO2020244106A1
WO2020244106A1 PCT/CN2019/110262 CN2019110262W WO2020244106A1 WO 2020244106 A1 WO2020244106 A1 WO 2020244106A1 CN 2019110262 W CN2019110262 W CN 2019110262W WO 2020244106 A1 WO2020244106 A1 WO 2020244106A1
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pressure
mortar
pipeline
pump
clean water
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PCT/CN2019/110262
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French (fr)
Chinese (zh)
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袁瑞甫
姚远航
李小军
李化敏
李东印
童景琳
熊祖强
王文
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河南理工大学
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Publication of WO2020244106A1 publication Critical patent/WO2020244106A1/en
Priority to ZA2021/04119A priority Critical patent/ZA202104119B/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/04—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass
    • B24C1/045—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for treating only selected parts of a surface, e.g. for carving stone or glass for cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
    • B24C7/0015—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B24C7/0023—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure

Definitions

  • the invention belongs to the technical field of water jet cutting, and specifically relates to a high-pressure mortar pump to realize a continuous sand adding system and method for mixed abrasive water jet.
  • the abrasive water jet is mixed with a certain amount of abrasive particles in the water jet, which can greatly improve the impact ability of the water jet.
  • abrasive water jet Currently widely used in metal cold cutting, porcelain, stone processing, mining and other industries.
  • the pre-mixed abrasive water jet has good mixing degree of water and sand, easy to use nozzles, and strong cutting ability, but there are problems such as limited capacity of high-pressure sand storage tanks, discontinuous sand addition, many repeated sand addition procedures, and long time.
  • the present invention provides a high-pressure mortar pump with convenient operation, safety and reliability, and high sand adding efficiency to realize a continuous sand adding system and method of a premixed abrasive water jet.
  • the high-pressure mortar pump realizes the pre-mixed abrasive water jet continuous sand adding system, which includes a clean water bucket, a mortar mixing bucket, a high-pressure clean water pipeline, a high-pressure mortar pipeline, a high-pressure jet pipeline and Tee pipe
  • the inlet of the high-pressure clean water pipeline extends below the water surface of the clean water bucket, the outlet of the high-pressure clean water pipeline is connected to the first interface of the tee pipe, and the high-pressure clean water pipeline is sequentially provided with a high-pressure clean water pump and a first pressure gauge along the water flow direction;
  • the inlet of the high-pressure mortar pipeline extends below the slurry surface of the mortar mixing tank, the outlet of the high-pressure mortar pipeline is connected to the second interface of the tee pipe, and the high-pressure mortar pipeline is sequentially provided with a high-pressure mortar pump and a second port along the mortar flow direction.
  • the inlet of the high-pressure jet pipeline is connected with the third interface of the tee, and the outlet of the high-pressure jet pipeline is connected with a high-pressure nozzle.
  • a safety valve is provided on the high-pressure jet pipeline.
  • a one-way valve is arranged between the first pressure gauge and the three-way pipe on the high-pressure clean water pipeline.
  • the high-pressure mortar pump realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, including the following steps:
  • the pressure in the high-pressure clean water pipeline, high-pressure mortar pipeline and high-pressure jet pipeline is greater than the set pressure of the safety valve, and the safety valve is opened to safely release the pressure.
  • step (2) the process of separately starting the high-pressure mortar pump to spray through the high-pressure nozzle is: the high-pressure mortar pump extracts the mortar in the mortar mixing tank through the high-pressure mortar pipeline, and the mortar of a certain concentration enters the high-pressure jet pipeline through the three-way pipe. Due to the setting of the one-way valve, the mortar can only be ejected from the high-pressure nozzle after passing through the high-pressure jet pipeline.
  • step (2) the process of simultaneously starting the high-pressure clean water pump and the high-pressure mortar pump to spray through the high-pressure nozzle is: the high-pressure clean water pump draws water from the clean water bucket through the high-pressure clean water pipeline, and the high-pressure mortar pump draws the mortar mixing bucket through the high-pressure mortar pipeline
  • the mortar of the first pressure gauge is slightly smaller than that of the second pressure gauge. A certain concentration of mortar enters the three-way pipe and mixes in clean water, passes through the high-pressure jet pipeline, and is sprayed outward by the high-pressure nozzle.
  • the present invention has the following technical effects:
  • the present invention uses a mortar mixing barrel to mix water and sand at a certain ratio and concentration under normal pressure, and then uses a high-pressure mortar pump to inject a high-concentration water-sand mixed flow (high-concentration mortar) into the In the high-pressure clean water pipeline after the clean water pump is input, the high-concentration mortar is mixed with high-pressure clean water to become an abrasive mortar of appropriate concentration, which is sprayed from the high-pressure nozzle through the high-pressure jet pipeline. This completes the continuous sanding of the pre-mixed abrasive water jet;
  • the high-pressure clean water pump can be replaced by a coal mine floating liquid pump.
  • the present invention uses a high-pressure mortar pump and a pipeline control system, and cleverly utilizes the characteristics of the high-pressure mortar pump that can carry small abrasive sands, and mixes the current water and sand under high pressure to convert the water and sand in the normal state. It is mixed into a high-concentration mortar under pressure, and then mixed with high-pressure water to form a high-pressure abrasive water jet with a suitable concentration, which realizes convenient and continuous sand addition, convenient and practical operation, low cost, and is easily converted into mature products and quickly put into the market.
  • Figure 1 is a schematic diagram of the structure of the present invention.
  • the high-pressure mortar pump of the present invention realizes the continuous sand adding system of the pre-mixed abrasive water jet, including a clear water bucket 1, a mortar mixing bucket 2, a high-pressure clear water pipeline 3, a high-pressure mortar pipeline 4, and a high-pressure jet pipeline 5. And tee 6;
  • the inlet of the high-pressure clean water pipeline 3 extends below the water surface of the clean water bucket 1, the outlet of the high-pressure clean water pipeline 3 is connected to the first interface of the tee pipe 6, and the high-pressure clean water pipeline 3 is sequentially provided with high-pressure clean water pumps along the water flow direction. 7 and the first pressure gauge 8;
  • the inlet of the high-pressure mortar pipeline 4 extends below the slurry surface of the mortar mixing tank 2, the outlet of the high-pressure mortar pipeline 4 is connected to the second interface of the tee 6, and the high-pressure mortar pipeline 4 is arranged in sequence along the mortar flow direction
  • a high-pressure mortar pump 9 a second pressure gauge 10 and a regulating ball valve 11;
  • the inlet of the high-pressure jet pipeline 5 is connected with the third interface of the three-way pipe 6, and the outlet of the high-pressure jet pipeline 5 is connected with a high-pressure spray head 12.
  • a safety valve 13 is provided on the high-pressure jet pipeline 5.
  • the high-pressure clean water pipeline 3 is provided with a one-way valve 14 between the first pressure gauge 8 and the three-way pipe 6.
  • the high-pressure mortar pump 9 realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, including the following steps:
  • the safety valve 13 When the high-pressure nozzle 12 is spraying outward, if the inside of the high-pressure nozzle 12 is blocked, the pressure in the high-pressure clean water pipeline 3, the high-pressure mortar pipeline 4, and the high-pressure jet pipeline 5 is greater than the set pressure of the safety valve 13, and the safety valve 13 It is opened to relieve pressure safely.
  • step (2) the process of separately starting the high-pressure mortar pump 9 to spray through the high-pressure nozzle 12 is: the high-pressure mortar pump 9 extracts the mortar in the mortar mixing tank 2 through the high-pressure mortar pipeline 4, and the mortar with a certain concentration enters through the three-way pipe 6 In the high-pressure jet pipeline 5, due to the setting of the one-way valve 14, the mortar can only be sprayed outward by the high-pressure nozzle 12 after passing through the high-pressure jet pipeline 5.
  • step (2) the process of starting the high-pressure clean water pump 7 and the high-pressure mortar pump 9 through the high-pressure nozzle 12 is as follows: the high-pressure clean water pump 7 pumps the water in the clean water bucket 1 through the high-pressure clean water pipeline 3, and the high-pressure mortar pump 9 passes the high-pressure mortar
  • the pipeline 4 extracts the mortar in the mortar mixing tank 2 so that the pressure indication of the first pressure gauge 8 is slightly lower than the indication of the second pressure gauge 10.
  • the mortar of a certain concentration enters the tee pipe 6 and is mixed in the clean water.
  • After the high-pressure jet pipeline 5 is sprayed outwards by the high-pressure nozzle 12.
  • This embodiment does not limit the shape, material, structure, etc. of the present invention in any form. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention belongs to the protection of the technical solution of the present invention. range.

Abstract

Disclosed in the present invention is a system for realizing continuous addition of sand into a pre-mixed abrasive water jet by a high-pressure mortar pump, the system comprising a clear water barrel, a mortar stirring barrel, a high-pressure clear water pipeline, a high-pressure mortar pipeline, a high-pressure jet pipeline, and a tee pipe. The high-pressure clear water pipeline is provided with a high-pressure clear water pump and a first pressure gauge sequentially in a water flow direction; the high-pressure mortar pipeline is provided with a high-pressure mortar pump, a second pressure gauge and an adjusting ball valve sequentially in a mortar flow direction; and an outlet of the high-pressure jet pipeline is connected to a high-pressure spray nozzle. Further disclosed in the present invention is a method for realizing continuous addition of sand into a pre-mixed abrasive water jet by the high-pressure mortar pump. According to the present invention, the characteristic of the high-pressure mortar pump being able to carry small particles of abrasive sand is ingeniously utilized, an existing way of mixing water and sand in a high-pressure state is changed into a way of mixing the water and the sand into high-concentration mortar in a normal-pressure state, and then mixing the high-concentration mortar with high-pressure clear water to form the high-pressure abrasive water jet with an appropriate concentration, which has the advantages of convenience, continuous sand addition, and convenience in operation.

Description

高压砂浆泵实现前混合磨料水射流连续加砂系统及方法High-pressure mortar pump realizes continuous sand adding system and method for pre-mixed abrasive water jet 技术领域Technical field
本发明属于水射流切割技术领域，具体涉及一种高压砂浆泵实现混合磨料水射流连续加砂系统及方法。The invention belongs to the technical field of water jet cutting, and specifically relates to a high-pressure mortar pump to realize a continuous sand adding system and method for mixed abrasive water jet.
背景技术Background technique
磨料水射流是在水射流中混入一定数量的磨料颗粒，能大大提高水射流的冲击能力。目前广泛应用于金属冷切割、瓷器、石材加工、矿山开采等行业。前混合磨料水射流水、砂混合度好、喷头使用方便、切割能力强，但是存在高压储砂罐容量有限、加砂不连续、重复加砂工序多、时间长等问题。这些问题影响了前混合磨料水射流的推广应用，尤其是地下矿山领域，井下条件复杂，对设备安全性要求较高，高压储砂罐存在较高的使用风险。The abrasive water jet is mixed with a certain amount of abrasive particles in the water jet, which can greatly improve the impact ability of the water jet. Currently widely used in metal cold cutting, porcelain, stone processing, mining and other industries. The pre-mixed abrasive water jet has good mixing degree of water and sand, easy to use nozzles, and strong cutting ability, but there are problems such as limited capacity of high-pressure sand storage tanks, discontinuous sand addition, many repeated sand addition procedures, and long time. These problems have affected the popularization and application of the pre-mixed abrasive water jet, especially in the field of underground mines, where the underground conditions are complex, the equipment safety requirements are high, and the high-pressure sand storage tank has a high risk of use.
发明内容Summary of the invention
本发明为了解决现有技术中的不足之处，提供一种操作方便、安全可靠、加砂效率高的高压砂浆泵实现前混合磨料水射流连续加砂系统及方法。In order to solve the shortcomings in the prior art, the present invention provides a high-pressure mortar pump with convenient operation, safety and reliability, and high sand adding efficiency to realize a continuous sand adding system and method of a premixed abrasive water jet.
为解决上述技术问题，本发明采用如下技术方案：高压砂浆泵实现前混合磨料水射流连续加砂系统，包括清水桶、砂浆搅拌桶、高压清水管路、高压砂浆管路、高压射流管路和三通管；In order to solve the above technical problems, the present invention adopts the following technical solutions: the high-pressure mortar pump realizes the pre-mixed abrasive water jet continuous sand adding system, which includes a clean water bucket, a mortar mixing bucket, a high-pressure clean water pipeline, a high-pressure mortar pipeline, a high-pressure jet pipeline and Tee pipe
高压清水管路的进口伸入到清水桶的水面下，高压清水管路的出口与三通管的第一接口连接，高压清水管路上沿水流方向依次设置有高压清水泵和第一压力表；高压砂浆管路的进口伸入到砂浆搅拌桶的浆液液面下，高压砂浆管路的出口与三通管的第二接口连接，高压砂浆管路上沿砂浆流方向依次设置有高压砂浆泵、第二压力表和调节球阀；The inlet of the high-pressure clean water pipeline extends below the water surface of the clean water bucket, the outlet of the high-pressure clean water pipeline is connected to the first interface of the tee pipe, and the high-pressure clean water pipeline is sequentially provided with a high-pressure clean water pump and a first pressure gauge along the water flow direction; The inlet of the high-pressure mortar pipeline extends below the slurry surface of the mortar mixing tank, the outlet of the high-pressure mortar pipeline is connected to the second interface of the tee pipe, and the high-pressure mortar pipeline is sequentially provided with a high-pressure mortar pump and a second port along the mortar flow direction. 2. Pressure gauge and regulating ball valve;
高压射流管路的进口与三通管的第三接口连接，高压射流管路的出口连接有高压喷头。The inlet of the high-pressure jet pipeline is connected with the third interface of the tee, and the outlet of the high-pressure jet pipeline is connected with a high-pressure nozzle.
高压射流管路上设置有安全阀。A safety valve is provided on the high-pressure jet pipeline.
高压清水管路上在第一压力表和三通管之间设置有单向阀。A one-way valve is arranged between the first pressure gauge and the three-way pipe on the high-pressure clean water pipeline.
高压砂浆泵实现前混合磨料水射流连续加砂系统的加砂方法，包括以下步骤，The high-pressure mortar pump realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, including the following steps:
(1)在砂浆搅拌桶内配料并搅拌均匀后形成一定浓度的砂浆；(1) Mix the ingredients in the mortar mixing tank and mix evenly to form a certain concentration of mortar;
(2)单独启动高压砂浆泵或者同时启动高压清水泵及高压砂浆泵，砂浆或者混合在清水中的砂浆通过高压喷头喷射；(2) Start the high-pressure mortar pump alone or start the high-pressure clean water pump and the high-pressure mortar pump at the same time, and the mortar or the mortar mixed in the clean water is sprayed through the high-pressure nozzle;
(3)操作调节球阀对砂浆的流量进行调节，以控制高压砂浆在清水中的混合量。(3) Operate the regulating ball valve to adjust the flow rate of the mortar to control the mixing amount of the high-pressure mortar in the clean water.
在高压喷头向外喷射过程中，高压喷头内若产生堵塞，高压清水管路、高压砂浆管路和高压射流管路内的压力大于安全阀的设定压力，安全阀被打开安全泄压。When the high-pressure nozzle is spraying outward, if there is a blockage in the high-pressure nozzle, the pressure in the high-pressure clean water pipeline, high-pressure mortar pipeline and high-pressure jet pipeline is greater than the set pressure of the safety valve, and the safety valve is opened to safely release the pressure.
步骤(2)中单独启动高压砂浆泵通过高压喷头喷射的过程为：高压砂浆泵通过高压砂浆管路抽取砂浆搅拌桶内的砂浆，一定浓度的砂浆通过三通管进入到高压射流管路内，由于单向阀的设置，砂浆只能通过高压射流管路后由高压喷头向外喷射。In step (2), the process of separately starting the high-pressure mortar pump to spray through the high-pressure nozzle is: the high-pressure mortar pump extracts the mortar in the mortar mixing tank through the high-pressure mortar pipeline, and the mortar of a certain concentration enters the high-pressure jet pipeline through the three-way pipe. Due to the setting of the one-way valve, the mortar can only be ejected from the high-pressure nozzle after passing through the high-pressure jet pipeline.
步骤(2)中同时启动高压清水泵和高压砂浆泵通过高压喷头喷射的过程为：高压清水泵通过高压清水管路抽取清水桶内的水，高压砂浆泵通过高压砂浆管路抽取砂浆搅拌桶内的砂浆，使第一压力表的压力示数略小于第二压力表的示数，一定浓度的砂浆进入到三通管内混合在清水中，通过高压射流管路后由高压喷头向外喷射。In step (2), the process of simultaneously starting the high-pressure clean water pump and the high-pressure mortar pump to spray through the high-pressure nozzle is: the high-pressure clean water pump draws water from the clean water bucket through the high-pressure clean water pipeline, and the high-pressure mortar pump draws the mortar mixing bucket through the high-pressure mortar pipeline The mortar of the first pressure gauge is slightly smaller than that of the second pressure gauge. A certain concentration of mortar enters the three-way pipe and mixes in clean water, passes through the high-pressure jet pipeline, and is sprayed outward by the high-pressure nozzle.
采用上述技术方案，本发明具有以下技术效果为：Using the above technical solution, the present invention has the following technical effects:
(1)本发明利用砂浆搅拌桶，将水、砂按一定配比浓度在常压下混合在一起，然后利用高压砂浆泵，将高浓度的水砂混合流(高浓度砂浆)注入到由高压清水泵输入出后的高压清水管路里，高浓度砂浆与高压清水混合后，成为合适浓度的磨料砂浆，经由高压射流管路从高压喷头喷出。由此完成前混合磨料水射流的连续加砂；(1) The present invention uses a mortar mixing barrel to mix water and sand at a certain ratio and concentration under normal pressure, and then uses a high-pressure mortar pump to inject a high-concentration water-sand mixed flow (high-concentration mortar) into the In the high-pressure clean water pipeline after the clean water pump is input, the high-concentration mortar is mixed with high-pressure clean water to become an abrasive mortar of appropriate concentration, which is sprayed from the high-pressure nozzle through the high-pressure jet pipeline. This completes the continuous sanding of the pre-mixed abrasive water jet;
(2)单独启动高压砂浆泵通过高压喷头喷射适用于水射流流量不大的切割，另外还要配制合适的砂浆的浓度(水砂配比)；(2) Start the high-pressure mortar pump separately and spray through the high-pressure nozzle, which is suitable for cutting with small water jet flow. In addition, it is necessary to prepare a suitable mortar concentration (water-sand ratio);
(3)同时启动高压清水泵和高压砂浆泵通过高压喷头喷射，适合水射流流量大的切割，在切割过程中连续加砂，提高水射流切割的效果和效率。(3) Start the high-pressure clean water pump and the high-pressure mortar pump at the same time to spray through the high-pressure nozzle, which is suitable for cutting with large water jet flow. Continuous sand is added during the cutting process to improve the effect and efficiency of water jet cutting.
(4)高压清水泵可以此采用煤矿浮化液泵替换。(4) The high-pressure clean water pump can be replaced by a coal mine floating liquid pump.
(5)本发明使用高压砂浆泵及管路控制系统，巧妙的利用高压砂浆泵可以携带小颗粒磨料砂的特点，将现在的水、砂在高压状态下混合，变为将水、砂在常压状态下混合成高浓度砂浆，然后再与高压清水混合成合适浓度的高压磨料水 射流，实现了方便、连续加砂，操作方便实用，成本低，易转化为成熟产品快速投入市场。(5) The present invention uses a high-pressure mortar pump and a pipeline control system, and cleverly utilizes the characteristics of the high-pressure mortar pump that can carry small abrasive sands, and mixes the current water and sand under high pressure to convert the water and sand in the normal state. It is mixed into a high-concentration mortar under pressure, and then mixed with high-pressure water to form a high-pressure abrasive water jet with a suitable concentration, which realizes convenient and continuous sand addition, convenient and practical operation, low cost, and is easily converted into mature products and quickly put into the market.
附图说明Description of the drawings
图1是本发明的结构示意图。Figure 1 is a schematic diagram of the structure of the present invention.
具体实施方式Detailed ways
如图1所示，本发明的高压砂浆泵实现前混合磨料水射流连续加砂系统，包括清水桶1、砂浆搅拌桶2、高压清水管路3、高压砂浆管路4、高压射流管路5和三通管6；As shown in Figure 1, the high-pressure mortar pump of the present invention realizes the continuous sand adding system of the pre-mixed abrasive water jet, including a clear water bucket 1, a mortar mixing bucket 2, a high-pressure clear water pipeline 3, a high-pressure mortar pipeline 4, and a high-pressure jet pipeline 5. And tee 6;
高压清水管路3的进口伸入到清水桶1的水面下，高压清水管路3的出口与三通管6的第一接口连接，高压清水管路3上沿水流方向依次设置有高压清水泵7和第一压力表8；The inlet of the high-pressure clean water pipeline 3 extends below the water surface of the clean water bucket 1, the outlet of the high-pressure clean water pipeline 3 is connected to the first interface of the tee pipe 6, and the high-pressure clean water pipeline 3 is sequentially provided with high-pressure clean water pumps along the water flow direction. 7 and the first pressure gauge 8;
高压砂浆管路4的进口伸入到砂浆搅拌桶2的浆液液面下，高压砂浆管路4的出口与三通管6的第二接口连接，高压砂浆管路4上沿砂浆流方向依次设置有高压砂浆泵9、第二压力表10和调节球阀11；The inlet of the high-pressure mortar pipeline 4 extends below the slurry surface of the mortar mixing tank 2, the outlet of the high-pressure mortar pipeline 4 is connected to the second interface of the tee 6, and the high-pressure mortar pipeline 4 is arranged in sequence along the mortar flow direction There is a high-pressure mortar pump 9, a second pressure gauge 10 and a regulating ball valve 11;
高压射流管路5的进口与三通管6的第三接口连接，高压射流管路5的出口连接有高压喷头12。The inlet of the high-pressure jet pipeline 5 is connected with the third interface of the three-way pipe 6, and the outlet of the high-pressure jet pipeline 5 is connected with a high-pressure spray head 12.
高压射流管路5上设置有安全阀13。A safety valve 13 is provided on the high-pressure jet pipeline 5.
高压清水管路3上在第一压力表8和三通管6之间设置有单向阀14。The high-pressure clean water pipeline 3 is provided with a one-way valve 14 between the first pressure gauge 8 and the three-way pipe 6.
高压砂浆泵9实现前混合磨料水射流连续加砂系统的加砂方法，包括以下步骤，The high-pressure mortar pump 9 realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, including the following steps:
(1)在砂浆搅拌桶2内配料并搅拌均匀后形成一定浓度的砂浆；(1) Mix the ingredients in the mortar mixing tank 2 and mix evenly to form a certain concentration of mortar;
(2)单独启动高压砂浆泵9或者同时启动高压清水泵7及高压砂浆泵9，砂浆或者混合在清水中的砂浆通过高压喷头12喷射；(2) Start the high-pressure mortar pump 9 alone or start the high-pressure clean water pump 7 and the high-pressure mortar pump 9 at the same time, and the mortar or the mortar mixed in the clean water is sprayed through the high-pressure nozzle 12;
(3)操作调节球阀11对砂浆的流量进行调节，以控制高压砂浆在清水中的混合量。(3) Operate the adjusting ball valve 11 to adjust the flow rate of the mortar to control the mixing amount of the high-pressure mortar in the clean water.
在高压喷头12向外喷射过程中，高压喷头12内若产生堵塞，高压清水管路3、高压砂浆管路4和高压射流管路5内的压力大于安全阀13的设定压力，安全阀13被打开安全泄压。When the high-pressure nozzle 12 is spraying outward, if the inside of the high-pressure nozzle 12 is blocked, the pressure in the high-pressure clean water pipeline 3, the high-pressure mortar pipeline 4, and the high-pressure jet pipeline 5 is greater than the set pressure of the safety valve 13, and the safety valve 13 It is opened to relieve pressure safely.
步骤(2)中单独启动高压砂浆泵9通过高压喷头12喷射的过程为：高压砂浆泵9通过高压砂浆管路4抽取砂浆搅拌桶2内的砂浆，一定浓度的砂浆通过 三通管6进入到高压射流管路5内，由于单向阀14的设置，砂浆只能通过高压射流管路5后由高压喷头12向外喷射。In step (2), the process of separately starting the high-pressure mortar pump 9 to spray through the high-pressure nozzle 12 is: the high-pressure mortar pump 9 extracts the mortar in the mortar mixing tank 2 through the high-pressure mortar pipeline 4, and the mortar with a certain concentration enters through the three-way pipe 6 In the high-pressure jet pipeline 5, due to the setting of the one-way valve 14, the mortar can only be sprayed outward by the high-pressure nozzle 12 after passing through the high-pressure jet pipeline 5.
步骤(2)中同时启动高压清水泵7和高压砂浆泵9通过高压喷头12喷射的过程为：高压清水泵7通过高压清水管路3抽取清水桶1内的水，高压砂浆泵9通过高压砂浆管路4抽取砂浆搅拌桶2内的砂浆，使第一压力表8的压力示数略小于第二压力表10的示数，一定浓度的砂浆进入到三通管6内混合在清水中，通过高压射流管路5后由高压喷头12向外喷射。In step (2), the process of starting the high-pressure clean water pump 7 and the high-pressure mortar pump 9 through the high-pressure nozzle 12 is as follows: the high-pressure clean water pump 7 pumps the water in the clean water bucket 1 through the high-pressure clean water pipeline 3, and the high-pressure mortar pump 9 passes the high-pressure mortar The pipeline 4 extracts the mortar in the mortar mixing tank 2 so that the pressure indication of the first pressure gauge 8 is slightly lower than the indication of the second pressure gauge 10. The mortar of a certain concentration enters the tee pipe 6 and is mixed in the clean water. After the high-pressure jet pipeline 5 is sprayed outwards by the high-pressure nozzle 12.
本实施例并非对本发明的形状、材料、结构等作任何形式上的限制，凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均属于本发明技术方案的保护范围。This embodiment does not limit the shape, material, structure, etc. of the present invention in any form. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention belongs to the protection of the technical solution of the present invention. range.

Claims (7)

  1. 高压砂浆泵实现前混合磨料水射流连续加砂系统，其特征在于：包括清水桶、砂浆搅拌桶、高压清水管路、高压砂浆管路、高压射流管路和三通管；The high-pressure mortar pump realizes the pre-mixed abrasive water jet continuous sand adding system, which is characterized in that it includes a clear water bucket, a mortar mixing bucket, a high-pressure clear water pipeline, a high-pressure mortar pipeline, a high-pressure jet pipeline and a three-way pipe;
    高压清水管路的进口伸入到清水桶的水面下，高压清水管路的出口与三通管的第一接口连接，高压清水管路上沿水流方向依次设置有高压清水泵和第一压力表；高压砂浆管路的进口伸入到砂浆搅拌桶的浆液液面下，高压砂浆管路的出口与三通管的第二接口连接，高压砂浆管路上沿砂浆流方向依次设置有高压砂浆泵、第二压力表和调节球阀；The inlet of the high-pressure clean water pipeline extends below the water surface of the clean water bucket, the outlet of the high-pressure clean water pipeline is connected to the first interface of the tee pipe, and the high-pressure clean water pipeline is sequentially provided with a high-pressure clean water pump and a first pressure gauge along the water flow direction; The inlet of the high-pressure mortar pipeline extends below the slurry surface of the mortar mixing tank, the outlet of the high-pressure mortar pipeline is connected to the second interface of the tee pipe, and the high-pressure mortar pipeline is sequentially provided with a high-pressure mortar pump and a second port along the mortar flow direction. 2. Pressure gauge and regulating ball valve;
    高压射流管路的进口与三通管的第三接口连接，高压射流管路的出口连接有高压喷头。The inlet of the high-pressure jet pipeline is connected with the third interface of the tee, and the outlet of the high-pressure jet pipeline is connected with a high-pressure nozzle.
  2. 根据权利要求1所述的高压砂浆泵实现前混合磨料水射流连续加砂系统，其特征在于：高压射流管路上设置有安全阀。The high-pressure mortar pump according to claim 1 realizes the pre-mixed abrasive water jet continuous sand adding system, characterized in that a safety valve is provided on the high-pressure jet pipeline.
  3. 根据权利要求2所述的高压砂浆泵实现前混合磨料水射流连续加砂系统，其特征在于：高压清水管路上在第一压力表和三通管之间设置有单向阀。The high-pressure mortar pump according to claim 2 realizes the pre-mixed abrasive water jet continuous sand adding system, wherein the high-pressure clean water pipeline is provided with a one-way valve between the first pressure gauge and the three-way pipe.
  4. 采用如权利要求3所述的高压砂浆泵实现前混合磨料水射流连续加砂系统的加砂方法，其特征在于：包括以下步骤，The high-pressure mortar pump according to claim 3 is used to realize the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, which is characterized in that it comprises the following steps:
    (1)在砂浆搅拌桶内配料并搅拌均匀后形成一定浓度的砂浆；(1) Mix the ingredients in the mortar mixing tank and mix evenly to form a certain concentration of mortar;
    (2)单独启动高压砂浆泵或者同时启动高压清水泵及高压砂浆泵，砂浆或者混合在清水中的砂浆通过高压喷头喷射；(2) Start the high-pressure mortar pump alone or start the high-pressure clean water pump and the high-pressure mortar pump at the same time, and the mortar or the mortar mixed in the clean water is sprayed through the high-pressure nozzle;
    (3)操作调节球阀对砂浆的流量进行调节，以控制高压砂浆在清水中的混合量。(3) Operate the regulating ball valve to adjust the flow rate of the mortar to control the mixing amount of the high-pressure mortar in the clean water.
  5. 根据权利要求4所述的高压砂浆泵实现前混合磨料水射流连续加砂系统的加砂方法，其特征在于：在高压喷头向外喷射过程中，高压喷头内若产生堵塞，高压清水管路、高压砂浆管路和高压射流管路内的压力大于安全阀的设定压力，安全阀被打开安全泄压。The high-pressure mortar pump according to claim 4 realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, characterized in that: during the outward spraying process of the high-pressure nozzle, if the inside of the high-pressure nozzle is blocked, the high-pressure clean water pipeline, The pressure in the high-pressure mortar pipeline and the high-pressure jet pipeline is greater than the set pressure of the safety valve, and the safety valve is opened to release the pressure safely.
  6. 根据权利要求4所述的高压砂浆泵实现前混合磨料水射流连续加砂系统的加砂方法，其特征在于：步骤(2)中单独启动高压砂浆泵通过高压喷头喷射的过程为：高压砂浆泵通过高压砂浆管路抽取砂浆搅拌桶内的砂浆，一定浓度的砂浆通过三通管进入到高压射流管路内，由于单向阀的设置，砂浆只能通过高压射流管路后由高压喷头向外喷射。The high-pressure mortar pump according to claim 4 realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, characterized in that: in step (2), the process of separately starting the high-pressure mortar pump and spraying through the high-pressure nozzle is: high-pressure mortar pump The mortar in the mortar mixing tank is extracted through the high-pressure mortar pipeline, and the mortar with a certain concentration enters the high-pressure jet pipeline through the three-way pipe. Due to the setting of the one-way valve, the mortar can only pass through the high-pressure jet pipeline and then go out from the high-pressure nozzle. injection.
  7. 根据权利要求4所述的高压砂浆泵实现前混合磨料水射流连续加砂系统的加砂方法，其特征在于：步骤(2)中同时启动高压清水泵和高压砂浆泵通过高压喷头喷射的过程为：高压清水泵通过高压清水管路抽取清水桶内的水，高压砂浆泵通过高压砂浆管路抽取砂浆搅拌桶内的砂浆，使第一压力表的压力示数略小于第二压力表的示数，一定浓度的砂浆进入到三通管内混合在清水中，通过高压射流管路后由高压喷头向外喷射。The high-pressure mortar pump according to claim 4 realizes the sand adding method of the pre-mixed abrasive water jet continuous sand adding system, wherein the process of simultaneously starting the high-pressure clean water pump and the high-pressure mortar pump through the high-pressure nozzle in step (2) is : The high-pressure clean water pump pumps the water in the clean water bucket through the high-pressure clean water pipeline, and the high-pressure mortar pump pumps the mortar in the mortar mixing bucket through the high-pressure mortar pipeline, so that the pressure indication of the first pressure gauge is slightly smaller than that of the second pressure gauge , A certain concentration of mortar enters the three-way pipe and mixes in the clean water, passes through the high-pressure jet pipeline, and is sprayed outward by the high-pressure nozzle.
PCT/CN2019/110262 2019-06-05 2019-10-10 System and method for realizing continuous addition of sand into pre-mixed abrasive water jet by high-pressure mortar pump WO2020244106A1 (en)

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