CN102166733B - Portable abrasive water jet cutting machine used in coal mine - Google Patents
Portable abrasive water jet cutting machine used in coal mine Download PDFInfo
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- CN102166733B CN102166733B CN 201110008580 CN201110008580A CN102166733B CN 102166733 B CN102166733 B CN 102166733B CN 201110008580 CN201110008580 CN 201110008580 CN 201110008580 A CN201110008580 A CN 201110008580A CN 102166733 B CN102166733 B CN 102166733B
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Abstract
The invention relates to a portable abrasive water jet cutting machine used in a coal mine. A water tank is connected with a water pump, a pressure adjustment valve and a pressure gage in sequence through a water pipe in series; the water pipe is divided into three branched water pipes; a first branched water pipe is connected with the upper end of a barrel-shaped abrasive jar; a second branched pipe is connected with the lower end of the abrasive jar through an abrasive flow regulating valve; a third branched water pipe is connected with a mixing pipe through a water adjusting valve; the mixing pipe extends forwards to be connected with a spray gun; and the abrasive water is jetted out through the spray gun to cut the objects, thus achieving the purpose of the cutting operation. A cold cutting technique of the abrasive water jet is adopted in the cutting machine, thus overcoming the dangers caused by the condition that the gas exists in various hot cutting technique; and the cutting machine is light, is not hot, is smokeless, smell-less, and nontoxic and has no gas generation, is beneficial for protecting the environment, and is suitable for carrying out the safe cutting operation under the inflammable and explosive dangerous occasions and the like.
Description
Technical field
The present invention relates to a kind of colliery cutting machine, specifically a kind of Portable abrasive water jet cutting machine used for coal mine.
Background technology
At present; the method of cutting operation generally is after taking certain safeguard measure under the coal mine; adopt the gas flame patterning method; this gas flame patterning method belongs to thermal cutting; under coal mine, exist in the explosive environment such as gas coal dust; have very large potential danger, but but do not have at present the effective solution of a kind of safe and reasonable to solve this problem.
Summary of the invention
Under coal mine, cut the inflammable and explosive problem that produces in the operation process in order to solve, the present invention proposes a kind of Portable abrasive water jet cutting machine used for coal mine, this invention adopts this cold cut of abrasive water-jet to cut technology, overcome the danger that various thermal cutting technology may cause under the environment that has gas to exist, safety, convenient.
The technical solution adopted for the present invention to solve the technical problems is: this Portable abrasive water jet cutting machine used for coal mine comprises water tank, water pump, pressure-regulating valve, Pressure gauge, water pipe, first minute branching pipe, second minute branching pipe, the 3rd minute branching pipe, amount of abrasive control valve, water regulating valve, abrasive can, mixing tube and spray gun; It is characterized in that: water tank order and the water pump of this Portable abrasive water jet cutting machine used for coal mine, pressure-regulating valve, Pressure gauge connects by the water pipe series winding, water pump produce pressure so that the current in the water tank behind pressure-regulating valve and Pressure gauge, be divided into three branch's current of upper, middle and lower, current flow to respectively three minutes branching pipes that water pipe is divided into, branching pipe was connected with the abrasive can upper end of tubular in first minute, so that first branch's current are to downward pressure of abrasive can, abrasive material can flow out by the lower end of abrasive can, branching pipe was connected with the abrasive can lower end by the amount of abrasive control valve in second minute, so that flow to the abrasive can lower end after the second adjusting of branch's current by the amount of abrasive control valve, cooperatively interact with first branch's current and to regulate the up and down pressure differential of abrasive can, thereby the discharge of control abrasive material, branching pipe was stretched forward the mixing tube that connects abrasive material and water in second minute afterwards, so that the mixture of abrasive material and water flows to mixing tube, branching pipe was connected with mixing tube by water regulating valve in the 3rd minute, so that the adjusting of the 3rd branch's current by water regulating valve meets job requirements, converge at mixing tube with the abrasive water mixture afterwards, formation meets the abrasive water of job requirements, mixing tube extends forward with spray gun and is connected, so that abrasive water penetrates through spray gun object is cut, reach the purpose of cutting operation.
The water pump of this Portable abrasive water jet cutting machine used for coal mine should produce the pressure between 20Mpa～50Mpa, abrasive grain diameter in the abrasive can should be between 83 μ m～220 μ m, the muzzle diameter of spray gun should be between 0.2mm～0.8mm, and produce the above initial velocity of 190m/s object is cut, reach the purpose of cutting operation.
The invention has the beneficial effects as follows: this Portable abrasive water jet cutting machine used for coal mine; adopt this cold cut of abrasive water-jet to cut technology; overcome the danger that various thermal cutting technology may cause under the environment that has gas to exist; have light, without hot, smokeless, tasteless, nontoxic, without γ-ray emission, be beneficial to the characteristics of environmental protection etc., be adapted at carrying out safe cutting operation under the inflammable and explosive dangerous situation such as grade.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the example structure principle schematic of this Portable abrasive water jet cutting machine used for coal mine.
Among the figure, 1, water tank, 2, water pump, 3, pressure-regulating valve, 4, Pressure gauge, 5, water pipe, 6, first minutes branching pipes, 7, abrasive can, 8, mixing tube, 9, spray gun, 10, water regulating valve, 11, the 3rd minutes branching pipes, 12, the amount of abrasive control valve, 13, second minutes branching pipes.
The specific embodiment
In the drawings, this Portable abrasive water jet cutting machine used for coal mine comprises water tank 1, water pump 2, pressure-regulating valve 3, Pressure gauge 4, water pipe 5, first minute branching pipe 6, second minute branching pipe 13, the 3rd minute branching pipe 11, amount of abrasive control valve 12, water regulating valve 10, abrasive can 7, mixing tube 8 and spray gun 9; It is characterized in that: water tank 1 order and water pump 2 of this Portable abrasive water jet cutting machine used for coal mine, pressure-regulating valve 3, Pressure gauge 4 connects by water pipe 5 series windings, water pump 2 produce pressure so that the current of 1 li in water tank behind pressure-regulating valve 3 and Pressure gauge 4, be divided into three branch's current of upper, middle and lower, current flow to respectively three minutes branching pipes that water pipe 5 is divided into, branching pipe 6 was connected with abrasive can 7 upper ends of tubular in first minute, so that first branch's current are to 7 one downward pressure of abrasive can, abrasive material can flow out by the lower end of abrasive can 7, branching pipe 13 was connected with abrasive can 7 lower ends by amount of abrasive control valve 12 in second minute, so that flow to abrasive can 7 lower ends after the second adjusting of branch's current by amount of abrasive control valve 12, cooperatively interact with first branch's current and to regulate the up and down pressure differential of abrasive can 7, thereby the discharge of control abrasive material, branching pipe 13 connected the mixing tube 8 of abrasive material and water to protracting in second minute afterwards, so that the mixture of abrasive material and water flows to mixing tube 8, branching pipe 11 was connected with mixing tube 8 by water regulating valve 10 in the 3rd minute, so that the adjusting of the 3rd branch's current by water regulating valve 10 meets job requirements, converge at mixing tube 8 with the abrasive water mixture afterwards, formation meets the abrasive water of job requirements, mixing tube 8 extends with spray gun 9 forward and is connected, so that abrasive water penetrates through spray gun 9 object is cut, reach the purpose of cutting operation.
The water pump of this Portable abrasive water jet cutting machine used for coal mine should produce the pressure between 20Mpa～50Mpa, abrasive grain diameter in the abrasive can should be between 83 μ m～220 μ m, the muzzle diameter of spray gun should be between 0.2mm～0.8mm, and produce the above initial velocity of 190m/s object is cut, reach the purpose of cutting operation.
Claims (1)
1. a Portable abrasive water jet cutting machine used for coal mine comprises water tank (1), water pump (2), pressure-regulating valve (3), Pressure gauge (4), water pipe (5), first minute branching pipe (6), second minute branching pipe (13), the 3rd minute branching pipe (11), amount of abrasive control valve (12), water regulating valve (10), abrasive can (7), mixing tube (8) and spray gun (9); It is characterized in that: the water tank of this Portable abrasive water jet cutting machine used for coal mine (1) order and water pump (2), pressure-regulating valve (3), Pressure gauge (4) connects by water pipe (5) series winding, water pump (2) produce pressure so that the inner current of water tank (1) behind pressure-regulating valve (3) and Pressure gauge (4), be divided into three branch's current of upper, middle and lower, current flow to respectively three minutes branching pipes that water pipe (5) is divided into, first minute branching pipe (6) be connected with the abrasive can (7) of tubular upper end, so that first branch's current are to (7) downward pressure of abrasive can, abrasive material can pass through the lower end outflow of abrasive can (7), second minute branching pipe (13) be connected with abrasive can (7) lower end by amount of abrasive control valve (12), so that flow to abrasive can (7) lower end after the second adjusting of branch's current by amount of abrasive control valve (12), cooperatively interact with first branch's current and to regulate the up and down pressure differential of abrasive can (7), thereby the discharge of control abrasive material, second minute afterwards branching pipe (13) connect the mixing tube (8) of abrasive material and water to protracting, so that the mixture of abrasive material and water flows to mixing tube (8), the 3rd minute branching pipe (11) be connected with mixing tube (8) by water regulating valve (10), so that the adjusting of the 3rd branch's current by water regulating valve (10) meets job requirements, converge at mixing tube (8) with the abrasive water mixture afterwards, formation meets the abrasive water of job requirements, mixing tube (8) extends forward with spray gun (9) and is connected, so that abrasive water penetrates through spray gun (9) object is cut, reach the purpose of cutting operation; Its water pump should produce the pressure between 20Mpa～50Mpa, abrasive grain diameter in the abrasive can should be between 83 μ m～220 μ m, the muzzle diameter of spray gun (9) should be between 0.2mm～0.8mm, and produce the above initial velocity of 190m/s object is cut, reach the purpose of cutting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008580 CN102166733B (en) | 2011-01-06 | 2011-01-06 | Portable abrasive water jet cutting machine used in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008580 CN102166733B (en) | 2011-01-06 | 2011-01-06 | Portable abrasive water jet cutting machine used in coal mine |
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| Publication Number | Publication Date |
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| CN102166733A CN102166733A (en) | 2011-08-31 |
| CN102166733B true CN102166733B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110008580 Expired - Fee Related CN102166733B (en) | 2011-01-06 | 2011-01-06 | Portable abrasive water jet cutting machine used in coal mine |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100984B (en) * | 2013-03-11 | 2015-03-04 | 重庆大学 | Abrasive automatic feeding device and using method |
| CN103231312A (en) * | 2013-03-14 | 2013-08-07 | 刘国利 | Coal mine underground low pressure water jet processing center |
| CN103395004B (en) * | 2013-08-20 | 2016-03-23 | 安徽理工大学 | A kind of magnetic impulse abrasive water jet cutting machine |
| CN103921216B (en) * | 2014-04-08 | 2017-01-25 | 中国海洋工程公司 | Three-phase cavitation abrasive water jet cutting device |
| EP3215314A4 (en) * | 2014-11-06 | 2018-05-30 | Graco Minnesota Inc. | Control of wet abrasive blasters |
| CN105500219B (en) * | 2015-12-30 | 2018-06-19 | 广州中远海运船舶工程有限公司 | A kind of pneumatic water mist rust-removing paint-removing device and rust-removing paint-removing method |
| CN105863630A (en) * | 2016-04-27 | 2016-08-17 | 湖南科技大学 | High-pressure material grinding, jet flow, joint cutting and drilling all-in-one coal seam tunnel boring machine |
| CN106926142B (en) * | 2017-03-28 | 2018-12-14 | 安徽理工大学 | One kind acting on lower the Premixed Abrasive Water Jet based on arc fuel factor and heats cutting equipment |
| CN109500745A (en) * | 2018-11-30 | 2019-03-22 | 中车沈阳机车车辆有限公司 | A kind of vehicle wheel is to derusting system |
| CN110030002A (en) * | 2019-05-06 | 2019-07-19 | 上海科煤机电设备制造有限公司 | A kind of laneway repair machine with Water Cutting function |
| CN112157588B (en) * | 2020-09-28 | 2021-10-22 | 南京必通科技有限公司 | Water jet abrasive cutting machine |
| CN114178992B (en) * | 2021-12-22 | 2022-12-06 | 安徽理工大学 | Protection device of telescopic cold cutting machine for coal mine and use method |
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| CN1015525B (en) * | 1988-10-25 | 1992-02-19 | 淮南矿业学院 | Front mixing abrasive jet stream cleaning cutter |
| US6676039B2 (en) * | 2000-02-07 | 2004-01-13 | Framatome Anp, Inc. | Pressurized abrasive feed and metering system for waterjet cutting systems |
| CN101537600A (en) * | 2009-04-30 | 2009-09-23 | 中国矿业大学(北京) | Mine abrasive water jet cutting method and device |
| CN101811287A (en) * | 2009-02-24 | 2010-08-25 | 任保林 | Device for cutting and cleaning pre-mixed high pressure suspension grinding material water jet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4856930B2 (en) * | 2005-11-10 | 2012-01-18 | 日立Ｇｅニュークリア・エナジー株式会社 | Method and apparatus for generating an abrasive water jet |
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2011
- 2011-01-06 CN CN 201110008580 patent/CN102166733B/en not_active Expired - Fee Related
Patent Citations (4)
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|---|---|---|---|---|
| CN1015525B (en) * | 1988-10-25 | 1992-02-19 | 淮南矿业学院 | Front mixing abrasive jet stream cleaning cutter |
| US6676039B2 (en) * | 2000-02-07 | 2004-01-13 | Framatome Anp, Inc. | Pressurized abrasive feed and metering system for waterjet cutting systems |
| CN101811287A (en) * | 2009-02-24 | 2010-08-25 | 任保林 | Device for cutting and cleaning pre-mixed high pressure suspension grinding material water jet |
| CN101537600A (en) * | 2009-04-30 | 2009-09-23 | 中国矿业大学(北京) | Mine abrasive water jet cutting method and device |
Non-Patent Citations (3)
| Title |
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| CN102166733A (en) | 2011-08-31 |
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