CN105397646B - A kind of continuous sand supplying system and continuous sand supplying method - Google Patents

A kind of continuous sand supplying system and continuous sand supplying method Download PDF

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Publication number
CN105397646B
CN105397646B CN201510689236.5A CN201510689236A CN105397646B CN 105397646 B CN105397646 B CN 105397646B CN 201510689236 A CN201510689236 A CN 201510689236A CN 105397646 B CN105397646 B CN 105397646B
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valve
water
abrasive
jet
pump
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CN105397646A (en
Inventor
赖力
安祥瑞
李世栋
张洪亮
邹国辉
李小锋
刘景民
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Cosco Guangzhou Marine Shipping Engineering Co Ltd
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Cosco Guangzhou Marine Shipping Engineering Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0007Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier

Abstract

The invention discloses a kind of continuous sand supplying system and continuous sand supplying method, continuous sand supplying system to include water pump, the induction system of abrasive material, more than two groups of storing hybrid system and sand-blasting gun;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system.Continuously sand supplying method is:Water jet is pressurizeed by water pump, induction system through abrasive material all the way, fed by the induction system of abrasive material to aggregate-storing system, another way enters hybrid system through cavitation system, at work, one group or the water sand abrasive material in the multigroup aggregate-storing system in part and cavitating water jet mix in hybrid system and cross sand-blasting gun and spray, and are fed by the induction system of abrasive material to other group of aggregate-storing system, successively alternately, continuous sand supplying is realized.The present invention can realize continuous sand supplying, and energy consumption, loss are small.

Description

A kind of continuous sand supplying system and continuous sand supplying method
Technical field
The present invention relates to continuous sand supplying system and continuous sand supplying method.
Background technology
Abradant jet technology is the new technology that RECENT DEVELOPMENTS is got up, in industrial cutting, rock out, surface clean and probing Exploitation etc. is widely used.According to the difference of abrasive material feed postition, abradant jet is divided into the Premixed Abrasive Water Jet with after Compound abrasive jet.In the case of same consumption energy, the depth of cut of pre-mixed abrasive system can reach rear compound abrasive jet and cut Cut depth twice, and can not use rear compound abrasive jet in rock out, probing exploitation etc..Compared to rear mixer mill Expect jet, preceding mixing jet has broader utilization space and capacity usage ratio.
But influenceed by abrasive material addition manner, the Premixed Abrasive Water Jet is difficult to continuously add sand.In actual applications, no It can realize and continuously add sand and greatly reduce operating efficiency, in the industries such as hydraulic fracturing, water jet cutting, midway pause even meeting Technique is caused to fail.Traditional the Premixed Abrasive Water Jet is simple in construction, no easy-abrasion part, and pump is made without particular/special requirement, flow It is wide with scope, possess broader utilization prospect.But the system is realized continuously plus sand is more difficult, seriously constrains the system Promote the use.
At present, to realize that the Premixed Abrasive Water Jet continuously adds sand, before mainly forming continous way by following two modes Mixing jet:(1)For pre-mixed abrasive slurries jet, two band piston receivers in parallel are designed in systems, are realized The continuous supply of abrasive material.But the system abrasive water medium cost is higher, and piston wear is serious, and piston movement speed, which limits, is The flow that system can provide.(2)Petroleum system sand fracturing field is directly added using mortar pump to the mixture of abrasive material and water Pressure.It is high to force (forcing) pump quality requirement because abrasive material need to pass through from pump, special mixing device need to be equipped with, equipment is huge, at it He can not apply in field.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of continuous sand supplying system and continuous sand supplying method, overcome biography The Premixed Abrasive Water Jet equipment of system in the course of the work can not continuous sand supplying the defects of;Traditional pre-mixed abrasive is overcome to penetrate Flow device in the course of the work abrasive can sand supplying when, the defects of being subjected to pressure piping uniform pressure.Overcome it is traditional before For compound abrasive jet apparatus in abrasive can sand supplying, sand water mixes the defects of uneven, the conveyance conduit pressure loss is big.
In order to solve the above technical problems, a kind of continuous sand supplying system, including the induction system of water pump, abrasive material, more than two groups Storing hybrid system and sand-blasting gun;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;It is described Water pump be membrane pump;The induction system of the abrasive material includes abrasive metering tank and jet pump, the discharging opening of abrasive metering tank with Jet pump is connected, and the input of jet pump is connected with water pump, and the output end of jet pump is connected with aggregate-storing system;Described Aggregate-storing system includes accumulation of energy slurry tank, the first valve, the second valve, discharge nozzle and the 3rd valve;Described cavitation system includes 4th valve and cavitation generator;Described hybrid system includes mixing bunker;First valve is connected to jet pump and accumulation of energy slurry Between tank feeding end, the second valve is located between accumulation of energy slurry tank discharge end and mixing bunker, and discharge nozzle is connected to accumulation of energy slurry tank Feeding end, the 3rd valve is located on discharge nozzle;4th valve is located between water pump and cavitation generator;Cavitation generator it is another One end is connected with mixing bunker;Sand-blasting gun is connected with mixing bunker;In the output end and the pan feeding of accumulation of energy slurry tank of the 4th valve Connecting tube is connected between end, check valve is provided with connecting tube, check valve prevents abrasive material to be back in cavitation generator.
Above-mentioned continuous sand supplying system, two or more storing hybrid systems in parallel, with Valve controlling so that being in work The storing hybrid system for making state connects with sand-blasting gun, and the storing hybrid system in charging state disconnects with sand-blasting gun, so as to Fed under atmospheric pressure state.In the present invention, one group or during the charging of the multigroup storing hybrid system in part, other one group or parts Multigroup storing hybrid system operation, when the water sand abrasive material in post-job accumulation of energy slurry tank is finished, untapped one group or portion Divide multigroup storing hybrid system operation, the accumulation of energy slurry tank of sky is fed, such alternate run, abradant jet is realized and continuously adds Sand, the purpose worked continuously.In the present invention, the water jet that cavitation generator projects contains mesoporous bubble, makes in mixing bunker Water sand abrasive material and water homogenisationization mixing, and significantly mitigate the resistance in abrasive course of conveying, extend the conveying of abradant jet Distance, improve sand-blasting gun outlet jet speed.Jet pump is used in the present invention, is realized and is voluntarily added sand, and is in normal pressure Add sand under state.Through water pump pressurize water jet enter all the way in jet pump, enter all the way in cavitation system, will charging with The pipeline for producing cavitating water jet separates, and the pipeline of charging need not be born and sand-blasting gun identical pressure, conveyance conduit pressure The loss of power is small.As a result of membrane pump, accordingly, it is capable to realize accurate metering, and the continuous work of the system can be realized.
Further, first throttle valve is provided between water pump and jet pump;In the discharging opening and jet of abrasive metering tank Metering valve is provided between pump.Metering valve, abrasive metering tank in the present invention can accurately control the addition of abrasive material, pass through first The dosage of the whole accurate control abrasive material of choke valve and water.
Further, the first described valve is the first pneumatic operated valve, and the second valve is the second pneumatic operated valve, and the 3rd valve is the Three pneumatic operated valves, the 4th valve are the 4th pneumatic operated valve, and by the use of pneumatic operated valve as valve, convenient control, and the precision controlled is high.
Further, the second throttle between the 4th valve and cavitation generator.Can be accurate by second throttle Control the mass ratio between the water sand abrasive material and cavitating water jet of sand-blasting gun ejection.
Further, joint is provided with the output end of water pump, jet pump and storing hybrid system are both connected on joint.
A kind of continuous sand supplying method, wherein continuous sand supplying system includes water pump, the induction system of abrasive material, sand-blasting gun and two groups Storing hybrid system above;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;Described water Pump is membrane pump;
Continuously the sand supplying method of sand supplying system is:
(1)Start water pump, in the presence of water pump, fed by the induction system of abrasive material to all aggregate-storing systems, storing It is water sand abrasive material in system;
(2)One or more groups of storing hybrid systems are controlled to work, the water sand abrasive material in this group of aggregate-storing system enters mixing In system, the water-jet after water pump pressurization flows through cavitating water jet of the cavitation system generation containing mesoporous bubble and enters hybrid system In, cavitation meeting jet and water sand abrasive material containing mesoporous bubble are sufficiently mixed in hybrid system as cavitation abrasive water-jet, sky Change abrasive water jet and flow through sand-blasting gun ejection;
(3)Repeat the above steps(2)One or more groups of storing hybrid system work, allow cavitation abrasive water jet to flow through under control Sand-blasting gun sprays;Meanwhile the induction system for crossing abrasive material feeds to the aggregate-storing system of blowing;
(4)Repeat the above steps(3)To the last one or more groups of storing hybrid system work are completed;
(5)Return to step(2), meanwhile, fed by the induction system of abrasive material to last one or more groups of aggregate-storing system;
(6)Circulation step successively(3)、(4)With(5)Realize continuous sand supplying.
Above-mentioned sand supplying method, two or more storing hybrid systems in parallel, one group or the multigroup storing hybrid system in part During charging, other one group or the multigroup storing hybrid system operations in part, when the water sand abrasive material in post-job aggregate-storing system is used When complete, untapped one group or the multigroup storing hybrid system operation in part, the aggregate-storing system of sky is fed, such alternate run, Realize the purpose that abradant jet continuously adds sand, worked continuously.In the present invention, the water jet that cavitation system projects contains mesoporous Bubble, make the water sand abrasive material in hybrid system and water homogenisationization mixing, and significantly mitigate the resistance in abrasive course of conveying, Extend the fed distance of abradant jet, improve sand-blasting gun outlet jet speed.The induction system of abrasive material is used in the present invention, it is real Show and voluntarily added sand, and be to add sand under atmospheric pressure state.The water jet to be pressurizeed through water pump enters the delivery system of abrasive material all the way In system, enter all the way in cavitation system, will feed and separated with producing the pipeline of cavitating water jet, allow the pipeline of charging need not Bear small with sand-blasting gun identical pressure, the loss of conveyance conduit pressure.As a result of membrane pump, accordingly, it is capable to realize accurate Metering, and the continuous work of the system can be realized.
Further, the induction system of the abrasive material includes abrasive metering tank and jet pump, the discharging opening of abrasive metering tank It is connected with jet pump, the input of jet pump is connected with water pump, and the output end of jet pump is connected with aggregate-storing system;It is described Aggregate-storing system include accumulation of energy slurry tank, the first valve, the second valve, discharge nozzle and the 3rd valve;Described cavitation system bag Include the 4th valve and cavitation generator;Described hybrid system includes mixing bunker;First valve is connected to jet pump and accumulation of energy material Between starching tank feeding end, the second valve is located between accumulation of energy slurry tank discharge end and mixing bunker, and discharge nozzle is connected to accumulation of energy slurry The feeding end of tank, the 3rd valve are located on discharge nozzle;4th valve is located between water pump and cavitation generator;Cavitation generator The other end is connected with mixing bunker;Sand-blasting gun is connected with mixing bunker;In the 4th output end of valve and entering for accumulation of energy slurry tank Material is connected with connecting tube between end, check valve is provided with connecting tube, check valve prevents abrasive material to be back in cavitation generator;
Continuously the sand supplying method of sand supplying system is:
(1)All the first valve and the 3rd valve are opened, closes all the second valve and the 4th valve;Start water pump (24), water-jet flows through water pump(24)The jet pump entered all the way after pressurization in the induction system of abrasive material(14)It is interior, by jet Pump(14)Water jet pass through jet pump(14)Aspirate abrasive metering tank(16)In abrasive material be aggregate-storing system in accumulation of energy slurry Tank feeds;After water sand abrasive material in accumulation of energy slurry tank has been expired, stop water pump(24);
(2)Open the second valve and the 4th valve in one or more groups of storing hybrid systems, corresponding to closing one group or The first valve and the 3rd valve in multigroup storing hybrid system;Start water pump(24), water-jet flows through water pump(24)It is another after pressurization Entered all the way through the 4th valve in corresponding one or more groups of cavitation systems in corresponding cavitation generator, enter cavitation Water-jet in device flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble and enters corresponding one or more groups of mixing In mixing bunker in system;Water-jet through the 4th valve flows through corresponding one or more groups of check valve and enters corresponding accumulation of energy material Starch in tank, water sand abrasive material and cavitating water jet in one or more groups of accumulation of energy slurry tanks are sufficiently mixed in mixing bunker as sky Change abrasive water-jet, cavitation abrasive water jet flows through sand-blasting gun ejection;
(3)The second valve and the 4th valve under unlatching in one or more groups of storing hybrid systems, close next group or more The first valve and the 3rd valve in group storing hybrid system, while open the first valve in the storing hybrid system of blowing Door and the 3rd valve, the second valve and the 4th valve closed in the storing hybrid system of blowing;Water-jet flows through water pump (24)The jet pump entered all the way after pressurization in the induction system of abrasive material(14)It is interior, by jet pump(14)Water jet pass through Jet pump(14)Aspirate abrasive metering tank(16)In abrasive material for blowing the charging of accumulation of energy slurry tank;Water-jet flows through water pump (24)Another way is entered in corresponding cavitation generator through the 4th valve in cavitation system after pressurization, enters corresponding cavitation hair Water-jet in raw device flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble and entered in corresponding hybrid system In mixing bunker;Water sand abrasive material and cavitating water jet in corresponding group accumulation of energy slurry tank be sufficiently mixed in corresponding mixing bunker for Cavitation abrasive water-jet, cavitation abrasive water jet flow through sand-blasting gun ejection;
(4)Repeat the above steps(3)To the last one or more groups of storing hybrid system work are completed;
(5)Return to step(2), meanwhile, fed by the induction system of abrasive material to last one or more groups of aggregate-storing system;
(6)Circulation step successively(3)、(4)With(5)Realize continuous sand supplying.
Two or more storing hybrid systems in parallel, with Valve controlling so that in running order storing mixed stocker System connects with sand-blasting gun, and the storing hybrid system in charging state disconnects with sand-blasting gun, so as to be fed under atmospheric pressure state.
Further, first throttle valve is provided between water pump and jet pump;In the discharging opening and jet of abrasive metering tank Metering valve is provided between pump;Abrasive material in abrasive metering tank enters accumulation of energy slurry tank through metering valve through jet pumping abrasive material In;The water jet entered by metering valve control in jet pump.Metering valve, abrasive metering tank in the present invention can be accurate The addition of abrasive material is controlled, passes through the dosage of the whole accurate control abrasive material of first throttle valve and water.
Further, the first described valve is the first pneumatic operated valve, and the second valve is the second pneumatic operated valve, and the 3rd valve is the Three pneumatic operated valves, the 4th valve are the 4th pneumatic operated valve.It is high by the use of pneumatic operated valve as valve, convenient control, the precision of control.
Further, second throttle is provided between the 4th valve and cavitation generator, can essence by second throttle Mass ratio between water sand abrasive material and cavitating water jet that really control sand-blasting gun sprays.
Can be calculated in use of the present invention according to the size of each accumulation of energy volume of paint bottle often plus abrasive material used in when Between, adjust the interval time that each accumulation of energy slurry tank state switches, you can realize the continuous sand supplying under different work pressure condition.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Embodiment
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1.
As shown in figure 1, continuous sand supplying system includes water pump 24, the induction system of abrasive material and more than two groups of storing mixed stocker System and sand-blasting gun 25;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;In the present embodiment, By taking two groups of storing hybrid systems as an example.
Described water pump 24 is membrane pump, as a result of membrane pump, accordingly, it is capable to accurate metering is realized, and can be real The continuous work of existing the system.
The induction system of the abrasive material includes first throttle valve 13, jet pump 14, metering valve 15 and abrasive metering tank 16, water The output end of pump 24 is connected by joint 23 with first throttle valve 13, and joint 23 is three-way connection, first throttle valve 13 it is defeated Go out end with the output end of jet pump 14 to be connected, the output end of jet pump 14 is connected with aggregate-storing system, abrasive metering tank 16 Discharging opening is connected by metering valve 15 with jet pump 14.Metering valve 15, abrasive metering tank 16 in embodiment can be accurate The addition of abrasive material is controlled, passes through the dosage of the whole accurate control abrasive material of first throttle valve 13 and water.
First group of aggregate-storing system includes accumulation of energy slurry tank 17, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 4, and the second valve is the second pneumatic operated valve 2, and the 3rd valve is the 3rd pneumatic operated valve 3.
First group of cavitation system includes the 4th valve, second throttle 11 and cavitation generator 21, and the 4th valve is the 4th Pneumatic operated valve 1.First group of hybrid system includes mixing bunker 19.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 17, the second pneumatic operated valve 2 by the first pneumatic operated valve 4 It is located between accumulation of energy slurry tank discharge end and mixing bunker 19;Discharge nozzle is connected to accumulation of energy slurry tank feeding end, and the 3rd pneumatic operated valve 3 is set On discharge nozzle.
4th pneumatic operated valve 1, second throttle 11 and cavitation generator 21 are sequentially connected from three-way connection, cavitation generator 21 The other end be connected with mixing bunker 19.
It is connected between junction and accumulation of energy slurry tank feeding end between the 4th pneumatic operated valve 1 and second throttle 11 Adapter, is provided with check valve 9, check valve 9 prevents abrasive material to be back in cavitation generator 21 in connecting tube.
Second group of aggregate-storing system includes accumulation of energy slurry tank 18, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 8, and the second valve is the second pneumatic operated valve 6, and the 3rd valve is the 3rd pneumatic operated valve 7.
Second group of cavitation system includes the 4th valve, second throttle 12 and cavitation generator 22, and the 4th valve is the 4th Pneumatic operated valve 5.Second group of hybrid system includes mixing bunker 20.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 18, the second pneumatic operated valve 5 by the first pneumatic operated valve 8 It is located between the discharge end of accumulation of energy slurry tank 18 and mixing bunker 20;Discharge nozzle is connected to the feeding end of accumulation of energy slurry tank 18, and the 3rd is pneumatic Valve 7 is located on discharge nozzle.
4th pneumatic operated valve 5, second throttle 12 and cavitation generator 22 are sequentially connected from three-way connection, cavitation generator 22 The other end be connected with mixing bunker 20.
It is connected between junction and the feeding end of accumulation of energy slurry tank 18 between the 4th pneumatic operated valve 5 and second throttle 12 Connecting tube, is provided with check valve 10 in connecting tube, and check valve 10 prevents abrasive material to be back in cavitation generator 22.
Mixing bunker 19,20 is connected on sand-blasting gun 25 by high-voltage tube.
The continuous sand supplying system of the present embodiment, two storing hybrid systems in parallel, with Valve controlling so that being in work The storing hybrid system for making state connects with sand-blasting gun, and the storing hybrid system in charging state disconnects with sand-blasting gun 25, from And fed under atmospheric pressure state.In the present invention, during one group of storing hybrid system charging, other one group of storing hybrid system are made Industry, when the water sand abrasive material in post-job accumulation of energy slurry tank is finished, untapped one group of storing hybrid system operation, to sky Accumulation of energy slurry tank feeds, and such alternate run, realizes the purpose that abradant jet continuously adds sand, worked continuously.In the present invention, The water jet that cavitation generator projects contains mesoporous bubble, makes the water sand abrasive material in mixing bunker and water homogenisationization mixing, and significantly Mitigate the resistance in abrasive course of conveying, extend the fed distance of abradant jet, improve sand-blasting gun outlet jet speed. Jet pump is used in the present invention, realizes and voluntarily adds sand, and is to add sand under atmospheric pressure state.The water jet to be pressurizeed through water pump 24 Enter in jet pump, entered all the way in cavitation system all the way, will feed and be separated with producing the pipeline of cavitating water jet, and allow and add The pipeline of material need not bear small with sand-blasting gun identical pressure, the loss of conveyance conduit pressure.By the use of pneumatic operated valve as valve, Convenient control, and the precision controlled is high.The water sand abrasive material of the ejection of sand-blasting gun 25 can be accurately controlled by second throttle 1,5 Mass ratio between cavitating water jet.
Embodiment 2.
As shown in figure 1, continuous sand supplying system includes water pump 24, the induction system of abrasive material and more than two groups of storing mixed stocker System and sand-blasting gun 25;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;In the present embodiment, By taking two groups of storing hybrid systems as an example.
Described water pump 24 is membrane pump, as a result of membrane pump, accordingly, it is capable to accurate metering is realized, and can be real The continuous work of existing the system.
The induction system of the abrasive material includes first throttle valve 13, jet pump 14, metering valve 15 and abrasive metering tank 16, water The output end of pump 24 is connected by joint 23 with first throttle valve 13, and joint 23 is three-way connection, first throttle valve 13 it is defeated Go out end with the output end of jet pump 14 to be connected, the output end of jet pump 14 is connected with aggregate-storing system, abrasive metering tank 16 Discharging opening is connected by metering valve 15 with jet pump 14.
First group of aggregate-storing system includes accumulation of energy slurry tank 17, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 4, and the second valve is the second pneumatic operated valve 2, and the 3rd valve is the 3rd pneumatic operated valve 3.
First group of cavitation system includes the 4th valve, second throttle 11 and cavitation generator 21, and the 4th valve is the 4th Pneumatic operated valve 1.First group of hybrid system includes mixing bunker 19.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 17, the second pneumatic operated valve 2 by the first pneumatic operated valve 4 It is located between accumulation of energy slurry tank discharge end and mixing bunker 19;Discharge nozzle is connected to accumulation of energy slurry tank feeding end, and the 3rd pneumatic operated valve 3 is set On discharge nozzle.
4th pneumatic operated valve 1, second throttle 11 and cavitation generator 21 are sequentially connected from three-way connection, cavitation generator 21 The other end be connected with mixing bunker 19.
It is connected between junction and accumulation of energy slurry tank feeding end between the 4th pneumatic operated valve 1 and second throttle 11 Adapter, is provided with check valve 9, check valve 9 prevents abrasive material to be back in cavitation generator 21 in connecting tube.
Second group of aggregate-storing system includes accumulation of energy slurry tank 18, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 8, and the second valve is the second pneumatic operated valve 6, and the 3rd valve is the 3rd pneumatic operated valve 7.
Second group of cavitation system includes the 4th valve, second throttle 12 and cavitation generator 22, and the 4th valve is the 4th Pneumatic operated valve 5.Second group of hybrid system includes mixing bunker 20.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 18, the second pneumatic operated valve 5 by the first pneumatic operated valve 8 It is located between the discharge end of accumulation of energy slurry tank 18 and mixing bunker 20;Discharge nozzle is connected to the feeding end of accumulation of energy slurry tank 18, and the 3rd is pneumatic Valve 7 is located on discharge nozzle.
4th pneumatic operated valve 5, second throttle 12 and cavitation generator 22 are sequentially connected from three-way connection, cavitation generator 22 The other end be connected with mixing bunker 20.
It is connected between junction and the feeding end of accumulation of energy slurry tank 18 between the 4th pneumatic operated valve 5 and second throttle 12 Connecting tube, is provided with check valve 10 in connecting tube, and check valve 10 prevents abrasive material to be back in cavitation generator 22.
Mixing bunker 19,20 is connected on sand-blasting gun 25 by high-voltage tube.
The sand supplying method of above-mentioned continuous sand supplying system is:
(1)All the first pneumatic operated valve and the 3rd pneumatic operated valve are opened, closes all the second pneumatic operated valve and the 4th pneumatic operated valve; Start water pump 24, water-jet is flowed through in the jet pump 14 in the induction system for entering abrasive material after water pump 24 pressurizes all the way, by penetrating The abrasive material that the water jet of stream pump 14 aspirates in abrasive metering tank 16 by jet pump 14 is all accumulation of energy slurries in aggregate-storing system Tank feeds;After water sand abrasive material in accumulation of energy slurry tank has been expired, stop water pump 24.Metering valve 15, abrasive metering tank in embodiment 16 can accurately control the addition of abrasive material, pass through the dosage of the whole accurate control abrasive material of first throttle valve 13 and water.
(2)The second pneumatic operated valve 2 and the 4th pneumatic operated valve 1 in first group of storing hybrid system are opened, closes first group of storing The first pneumatic operated valve 4 and the 3rd pneumatic operated valve 3 in hybrid system;Start water pump 24, water-jet flows through another way after water pump 24 pressurizes and passed through The 4th pneumatic operated valve 1, second throttle 11 are entered in cavitation generator 21 in first group of cavitation system, enter cavitation generator Water-jet in 21 flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble and entered in mixing bunker 19;Through the 4th gas The water-jet of dynamic valve 1 flows through check valve 9 and entered in accumulation of energy slurry tank 17, water sand abrasive material and cavitation in accumulation of energy slurry tank 17 Water jet is sufficiently mixed in mixing bunker 19 to be flowed through sand-blasting gun 25 and sprays for cavitation abrasive water-jet, cavitation abrasive water jet.
(3)The second pneumatic operated valve 6 and the 4th pneumatic operated valve 5 in second group of storing hybrid system are opened, closes second group of storing The first pneumatic operated valve 8 and the 3rd pneumatic operated valve 6 in hybrid system, while open the first gas in the storing hybrid system of blowing The dynamic pneumatic operated valve 3 of valve 4 and the 3rd, the second pneumatic operated valve 2 and the 4th pneumatic operated valve 1 closed in the storing hybrid system of blowing;Water Jet enters in the jet pump 14 in the induction system of abrasive material all the way after the pressurization of water pump 24, by the water jet of jet pump 14 The abrasive material aspirated by jet pump 14 in abrasive metering tank 16 feeds for the accumulation of energy slurry tank 17 of blowing;Water-jet flows through water pump Another way is entered in corresponding cavitation generator 22 through the 4th pneumatic operated valve 5 in cavitation system after 24 pressurizations, enters corresponding sky Water-jet in change generator 22 flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble and enters corresponding mixed stocker In mixing bunker 20 in system;Water sand abrasive material and cavitating water jet in second group of accumulation of energy slurry tank 18 is in corresponding mixing bunker 20 In be sufficiently mixed and flow through sand-blasting gun 25 for cavitation abrasive water-jet, cavitation abrasive water jet and spray.
(4)Return to step(2), meanwhile, fed by the induction system of abrasive material to second group of aggregate-storing system.
(5)Circulation step successively(3)With(4)Realize continuous sand supplying.
Above-mentioned sand supplying method, two storing hybrid systems in parallel, two storing hybrid systems in parallel, with pneumatic operated valve Control cause in running order storing hybrid system connected with sand-blasting gun 25, in charging state storing hybrid system and Sand-blasting gun 25 disconnects, so as to be fed under atmospheric pressure state.During first group of storing hybrid system charging, second group of storing hybrid system Operation, when the water sand abrasive material in post-job aggregate-storing system is finished, untapped one group of storing hybrid system operation, to sky Aggregate-storing system feeds, and such alternate run, realizes the purpose that abradant jet continuously adds sand, worked continuously.In the present invention, it is empty The water jet that change system projects contains mesoporous bubble, makes the water sand abrasive material in hybrid system and water homogenisationization mixing, and significantly subtract Resistance in light abrasive course of conveying, extend the fed distance of abradant jet, improve sand-blasting gun outlet jet speed.At this The induction system of abrasive material is used in invention, realizes and voluntarily adds sand, and is to add sand under atmospheric pressure state.Pressurizeed through water pump 24 Water jet enters in the induction system of abrasive material all the way, enters all the way in cavitation system, by charging with producing cavitating water jet Pipeline separate, allow charging pipeline need not bear it is small with sand-blasting gun identical pressure, the loss of conveyance conduit pressure.Utilize Pneumatic operated valve is as valve, convenient control, and the precision controlled is high.Sand-blasting gun can be accurately controlled by second throttle 1,5 Mass ratio between the 25 water sand abrasive materials and cavitating water jet sprayed.
Embodiment 3.
As shown in figure 1, continuous sand supplying system includes water pump 24, the induction system of abrasive material and more than two groups of storing mixed stocker System and sand-blasting gun 25;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;In the present embodiment, By taking four groups of storing hybrid systems as an example.
Described water pump 24 is membrane pump, as a result of membrane pump, accordingly, it is capable to accurate metering is realized, and can be real The continuous work of existing the system.
The induction system of the abrasive material includes first throttle valve 13, jet pump 14, metering valve 15 and abrasive metering tank 16, water The output end of pump 24 is connected by joint 23 with first throttle valve 13, and joint 23 is three-way connection, first throttle valve 13 it is defeated Go out end with the output end of jet pump 14 to be connected, the output end of jet pump 14 is connected with aggregate-storing system, abrasive metering tank 16 Discharging opening is connected by metering valve 15 with jet pump 14.
First group of aggregate-storing system includes accumulation of energy slurry tank 17, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 4, and the second valve is the second pneumatic operated valve 2, and the 3rd valve is the 3rd pneumatic operated valve 3.
First group of cavitation system includes the 4th valve, second throttle 11 and cavitation generator 21, and the 4th valve is the 4th Pneumatic operated valve 1.First group of hybrid system includes mixing bunker 19.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 17, the second pneumatic operated valve 2 by the first pneumatic operated valve 4 It is located between accumulation of energy slurry tank discharge end and mixing bunker 19;Discharge nozzle is connected to accumulation of energy slurry tank feeding end, and the 3rd pneumatic operated valve 3 is set On discharge nozzle.
4th pneumatic operated valve 1, second throttle 11 and cavitation generator 21 are sequentially connected from three-way connection, cavitation generator 21 The other end be connected with mixing bunker 19.
It is connected between junction and accumulation of energy slurry tank feeding end between the 4th pneumatic operated valve 1 and second throttle 11 Adapter, is provided with check valve 9, check valve 9 prevents abrasive material to be back in cavitation generator 21 in connecting tube.
Second group of aggregate-storing system includes accumulation of energy slurry tank 18, the first valve, the second valve, discharge nozzle and the 3rd valve;The One valve is the first pneumatic operated valve 8, and the second valve is the second pneumatic operated valve 6, and the 3rd valve is the 3rd pneumatic operated valve 7.
Second group of cavitation system includes the 4th valve, second throttle 12 and cavitation generator 22, and the 4th valve is the 4th Pneumatic operated valve 5.Second group of hybrid system includes mixing bunker 20.
The output end of jet pump 14 is connected to the feeding end of accumulation of energy slurry tank 18, the second pneumatic operated valve 5 by the first pneumatic operated valve 8 It is located between the discharge end of accumulation of energy slurry tank 18 and mixing bunker 20;Discharge nozzle is connected to the feeding end of accumulation of energy slurry tank 18, and the 3rd is pneumatic Valve 7 is located on discharge nozzle.
4th pneumatic operated valve 5, second throttle 12 and cavitation generator 22 are sequentially connected from three-way connection, cavitation generator 22 The other end be connected with mixing bunker 20.
It is connected between junction and the feeding end of accumulation of energy slurry tank 18 between the 4th pneumatic operated valve 5 and second throttle 12 Connecting tube, is provided with check valve 10 in connecting tube, and check valve 10 prevents abrasive material to be back in cavitation generator 22.
The structure of 3rd group of storing hybrid system is identical with first group of storing hybrid system, the 4th group of storing hybrid system Structure is identical with second group of storing hybrid system.
Mixing bunker is connected on sand-blasting gun 25 by high-voltage tube.
The sand supplying method of above-mentioned continuous sand supplying system is:
(1)All the first pneumatic operated valve and the 3rd pneumatic operated valve are opened, closes all the second pneumatic operated valve and the 4th pneumatic operated valve; Start water pump 24, water-jet is flowed through in the jet pump 14 in the induction system for entering abrasive material after water pump 24 pressurizes all the way, by penetrating The abrasive material that the water jet of stream pump 14 aspirates in abrasive metering tank 16 by jet pump 14 is all accumulation of energy slurries in aggregate-storing system Tank feeds;After water sand abrasive material in accumulation of energy slurry tank has been expired, stop water pump 24.Metering valve 15, abrasive metering tank in embodiment 16 can accurately control the addition of abrasive material, pass through the dosage of the whole accurate control abrasive material of first throttle valve 13 and water.
(2)Open first group and the second pneumatic operated valve 2 and the 4th pneumatic operated valve 1 in the 3rd group of storing hybrid system, close the One group and the first pneumatic operated valve 4 and the 3rd pneumatic operated valve 3 in the 3rd storing hybrid system;Start water pump 24, water-jet flows through water pump 24 Another way enters cavitation through the 4th pneumatic operated valve 1, second throttle 11 in first group and the 3rd group of cavitation system after pressurization In device 21, the water-jet that enters in cavitation generator 21, which flows through cavitation generator and produces the cavitating water jet containing mesoporous bubble, to be entered Enter into mixing bunker 19;Water-jet through the 4th pneumatic operated valve 1 flows through check valve 9 and entered in accumulation of energy slurry tank 17, from accumulation of energy material Water sand abrasive material and cavitating water jet in slurry tank 17 are sufficiently mixed in mixing bunker 19 as cavitation abrasive water-jet, cavitation abrasive water Jet sprays through sand-blasting gun 25.
(3)Open second group and the second pneumatic operated valve 6 and the 4th pneumatic operated valve 5 in the 4th group of storing hybrid system, close the Two groups and the first pneumatic operated valve 8 and the 3rd pneumatic operated valve 6 in the 4th group of storing hybrid system, while the storing for opening blowing mixes The first pneumatic operated valve 4 and the 3rd pneumatic operated valve 3 in syzygy system, the second pneumatic operated valve 2 closed in the storing hybrid system of blowing With the 4th pneumatic operated valve 1;Water-jet is flowed through in the jet pump 14 in the induction system for entering abrasive material after water pump 24 pressurizes all the way, is passed through The water jet of jet pump 14 aspirates accumulation of energy slurry tank 17 of the abrasive material in abrasive metering tank 16 for blowing by jet pump 14 Charging;Water-jet flows through another way after water pump 24 pressurizes and enters corresponding cavitation generator through the 4th pneumatic operated valve 5 in cavitation system In 22, the water-jet entered in corresponding cavitation generator 22 flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble Enter in the mixing bunker 20 in corresponding hybrid system;Water sand abrasive material and cavitation water-jet in second group of accumulation of energy slurry tank 18 Stream is sufficiently mixed in corresponding mixing bunker 20 and flows through sand-blasting gun 25 for cavitation abrasive water-jet, cavitation abrasive water jet and spray.
(4)Return to step(2), meanwhile, fed by the induction system of abrasive material to second group and the 4th group of aggregate-storing system.
(5)Circulation step successively(3)With(4)Realize continuous sand supplying.
Above-mentioned sand supplying method, two storing hybrid systems in parallel, two storing hybrid systems in parallel, with pneumatic operated valve Control cause in running order storing hybrid system connected with sand-blasting gun 25, in charging state storing hybrid system and Sand-blasting gun 25 disconnects, so as to be fed under atmospheric pressure state.During first group of storing hybrid system charging, second group of storing hybrid system Operation, when the water sand abrasive material in post-job aggregate-storing system is finished, untapped one group of storing hybrid system operation, to sky Aggregate-storing system feeds, and such alternate run, realizes the purpose that abradant jet continuously adds sand, worked continuously.In the present invention, it is empty The water jet that change system projects contains mesoporous bubble, makes the water sand abrasive material in hybrid system and water homogenisationization mixing, and significantly subtract Resistance in light abrasive course of conveying, extend the fed distance of abradant jet, improve sand-blasting gun outlet jet speed.At this The induction system of abrasive material is used in invention, realizes and voluntarily adds sand, and is to add sand under atmospheric pressure state.Pressurizeed through water pump 24 Water jet enters in the induction system of abrasive material all the way, enters all the way in cavitation system, by charging with producing cavitating water jet Pipeline separate, allow charging pipeline need not bear it is small with sand-blasting gun identical pressure, the loss of conveyance conduit pressure.Utilize Pneumatic operated valve is as valve, convenient control, and the precision controlled is high.Sand-blasting gun can be accurately controlled by second throttle 1,5 Mass ratio between the 25 water sand abrasive materials and cavitating water jet sprayed.
In addition, within the same time, there are two groups of storing hybrid systems to convey cavitation abrasive water-jet to sand-blasting gun 25, can carry High amount of jet, pressure and time.
In the present invention, " correspondence " refers to the associated components in same group of storing hybrid system.

Claims (5)

1. a kind of continuous sand supplying method, continuous sand supplying system include water pump(24), the induction system of abrasive material, sand-blasting gun(25)With two The storing hybrid system of the group above;Described storing hybrid system includes aggregate-storing system, cavitation system and hybrid system;Described Water pump(24)For membrane pump;Characterized in that,
The induction system of the abrasive material includes abrasive metering tank(16)And jet pump(14), abrasive metering tank(16)Discharging opening with Jet pump(14)It is connected, jet pump(14)Input and water pump(24)It is connected, jet pump(14)Output end and storing System is connected;Described aggregate-storing system includes accumulation of energy slurry tank, the first valve, the second valve, discharge nozzle and the 3rd valve;Institute The cavitation system stated includes the 4th valve and cavitation generator;Described hybrid system includes mixing bunker;First valve is connected to Jet pump(14)Between accumulation of energy slurry tank feeding end, the second valve is located between accumulation of energy slurry tank discharge end and mixing bunker, is gone out Expects pipe is connected to the feeding end of accumulation of energy slurry tank, and the 3rd valve is located on discharge nozzle;4th valve is located at water pump(24)With cavitation Between generator;The other end of cavitation generator is connected with mixing bunker;Sand-blasting gun(25)It is connected with mixing bunker;In the 4th valve Connecting tube is connected between the output end of door and the feeding end of accumulation of energy slurry tank, check valve is provided with connecting tube, check valve is prevented Only abrasive material is back in cavitation generator;
Continuously the sand supplying method of sand supplying system is:
(1)All the first valve and the 3rd valve are opened, closes all the second valve and the 4th valve;Start water pump (24), water-jet flows through water pump(24)The jet pump entered all the way after pressurization in the induction system of abrasive material(14)It is interior, by jet Pump(14)Water jet pass through jet pump(14)Aspirate abrasive metering tank(16)In abrasive material be aggregate-storing system in accumulation of energy slurry Tank feeds;After water sand abrasive material in accumulation of energy slurry tank has been expired, stop water pump(24);
(2)Open the second valve and the 4th valve in one or more groups of storing hybrid systems, it is one or more groups of corresponding to closing The first valve and the 3rd valve in storing hybrid system;Start water pump(24), water-jet flows through water pump(24)Another way after pressurization Enter in corresponding cavitation generator, entered in cavitation generator through the 4th valve in corresponding one or more groups of cavitation systems Water-jet flow through cavitation generator and produce the cavitating water jet containing mesoporous bubble and enter corresponding one or more groups of hybrid systems In mixing bunker in;Water-jet through the 4th valve flows through corresponding one or more groups of check valve and enters corresponding accumulation of energy slurry tank In, water sand abrasive material and cavitating water jet in one or more groups of accumulation of energy slurry tanks are sufficiently mixed in mixing bunker to be ground for cavitation Expect water jet, cavitation abrasive water jet flows through sand-blasting gun ejection;
(3)The second valve and the 4th valve under unlatching in one or more groups of storing hybrid systems, one or more groups of storages under closing Expect the first valve and the 3rd valve in hybrid system, at the same open the first valve in the storing hybrid system of blowing and 3rd valve, the second valve and the 4th valve closed in the storing hybrid system of blowing;Water-jet flows through water pump(24)Add The jet pump entered all the way after pressure in the induction system of abrasive material(14)It is interior, by jet pump(14)Water jet pass through jet pump (14)Aspirate abrasive metering tank(16)In abrasive material for blowing the charging of accumulation of energy slurry tank;Water-jet flows through water pump(24)Pressurization Another way is entered in corresponding cavitation generator through the 4th valve in cavitation system afterwards, is entered in corresponding cavitation generator Water-jet flows through cavitating water jet of the cavitation generator generation containing mesoporous bubble and entered in the mixing bunker in corresponding hybrid system; Water sand abrasive material and cavitating water jet in corresponding group accumulation of energy slurry tank are sufficiently mixed as cavitation abrasive material in corresponding mixing bunker Water jet, cavitation abrasive water jet flow through sand-blasting gun ejection;
(4)Repeat the above steps(3)To the last one or more groups of storing hybrid system work are completed;
(5)Return to step(2), meanwhile, fed by the induction system of abrasive material to last one or more groups of aggregate-storing system;
(6)Circulation step successively(3)、(4)With(5)Realize continuous sand supplying.
2. continuous sand supplying method according to claim 1, it is characterised in that:In water pump(24)With jet pump(14)Between set There is first throttle valve(13);In abrasive metering tank(16)Discharging opening and jet pump(14)Between be provided with metering valve(15);Abrasive material Measuring tank(16)In abrasive material through metering valve(15), through jet pump(14)Suction abrasive material is entered in accumulation of energy slurry tank;Pass through meter Amount valve control enters jet pump(14)Interior water jet.
3. continuous sand supplying method according to claim 1, it is characterised in that:The first described valve is the first pneumatic operated valve, Second valve is the second pneumatic operated valve, and the 3rd valve is the 3rd pneumatic operated valve, and the 4th valve is the 4th pneumatic operated valve.
4. continuous sand supplying method according to claim 1, it is characterised in that:Set between the 4th valve and cavitation generator There is second throttle, the mass ratio between the water sand abrasive material and cavitating water jet that control sand-blasting gun to spray by second throttle.
5. continuous sand supplying method according to claim 1, it is characterised in that:In water pump(24)Output end be provided with joint, Jet pump(14)It is both connected to storing hybrid system on joint.
CN201510689236.5A 2015-10-23 2015-10-23 A kind of continuous sand supplying system and continuous sand supplying method Active CN105397646B (en)

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