CN204492657U - Coal petrography device is broken in a kind of self-advancing type jetting - Google Patents
Coal petrography device is broken in a kind of self-advancing type jetting Download PDFInfo
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- CN204492657U CN204492657U CN201420830761.5U CN201420830761U CN204492657U CN 204492657 U CN204492657 U CN 204492657U CN 201420830761 U CN201420830761 U CN 201420830761U CN 204492657 U CN204492657 U CN 204492657U
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Abstract
The utility model provides a kind of self-advancing type jetting and breaks coal petrography device, belongs to cbm exploration quarrying apparatus field, comprises support and injection apparatus; Described support is provided with the carriage driven by drive unit, and described carriage comprises the movable part that can move horizontally, and the nozzle of described injection apparatus is fixed on described movable part; Described support comprises the telescopic column vertically arranged, and the bottom transverse of support is provided with slide rail.Coal petrography device is broken in the self-advancing type jetting that the utility model is obtained by above-mentioned design, moved by the movable part of drive unit control carriage in use, drive the nozzle movement of injection apparatus, thus reach the object of Control Nozzle and coal petrography distance, and then improve brokenly the efficiency of coal petrography.
Description
Technical field
The utility model relates to cbm exploration quarrying apparatus field, breaks coal petrography device in particular to a kind of self-advancing type jetting.
Background technology
Increasingly serious along with petroleum resources imbalance between supply and demand, unconventional petroleum resources will become the main object of the following oil-gas exploration and development of China.As the coal bed gas of the commercial operation that takes on a certain scale, have broad prospects and potentiality in China.
Coal bed gas is a kind of by coalbed-forming and the main Unconventional forage preserved in coal seam with adsorbed state, and main component is methane, and methane generally accounts for 95%-98%, therefore is referred to as coal bed methane, is commonly called as again as gas within coal mines.Current exploiting coal bed methane generally adopts injecting type to break coal petrography device to break through coal petrography, in the process of spraying, the distance of nozzle distance rock stratum is referred to as range, range is the key factor affecting abradant jet, under certain operating mode, there is a boundary value in the efficiency of breaking rock of high-pressure water jet, when range is slightly less than this boundary value, depth of cut is roughly equal, but when range is too small, because jet backwash is serious, depth of cut declines on the contrary.Range is once exceed this boundary value, and depth of cut sharply reduces.This is due to the increase along with nozzle range, and the surrounding medium entrainmented in jet increases, and causes average speed to decline, and the convergence of abrasive water-jet reduces gradually.Existing injecting type breaks coal petrography device and can not measure or control range, therefore broken coal petrography inefficiency.
Utility model content
The utility model provides a kind of self-advancing type jetting and breaks coal petrography device, aim to provide a kind of can the device of Survey control range, improve the efficiency of broken coal petrography.
The utility model is achieved in that
Coal petrography device is broken in a kind of self-advancing type jetting, comprises support and injection apparatus;
Described support is provided with the carriage driven by drive unit, and described carriage comprises the movable part that can move horizontally, and the nozzle of described injection apparatus is fixed on described movable part;
Described support comprises the telescopic column vertically arranged, and the bottom transverse of support is provided with slide rail.
This self-advancing type jetting breaks coal petrography device in use, before being placed on coal rock layer, by nozzle alignment coal rock layer, controls the distance of nozzle and coal rock layer well, opens injection apparatus, to coal rock layer inject high pressure current, impact coal rock layer.Along with the injection of current, the coal rock layer on surface is constantly washed, and therefore the surface distance nozzle of coal rock layer is more and more far away, distance now in order to make nozzle and coal rock layer keep suitable, open drive unit, the distance of adjustable nozzles and coal rock layer, guarantee the efficiency of injection and broken coal petrography.
By adjusting the height of column, the height of support can be changed, and then the position of injection apparatus can be changed; By slide rail adjustable support lateral attitude, and then change the position of injection apparatus.
Because the length of nozzle is shorter, and the length of whole carriage is longer, is directly arranged on the movable part of carriage by nozzle, and whole nozzle is in the length range of carriage substantially, is unfavorable for the control of injection and jet length.
Therefore, further, described movable part is connected with stay pipe, the length direction of this stay pipe is consistent with the glide direction of this carriage, and described nozzle is fixed on this stay pipe.The design of stay pipe, improves this problem preferably, and stay pipe plays the effect extending and lengthen, and nozzle is in outside the length range of carriage substantially.
Further, described stay pipe is provided with range sensor, and described self-advancing type jetting is broken coal petrography device and also comprised control device, and this range sensor is connected with described control device.In actual use, the distance learnt between nozzle and coal rock layer promptly and accurately can be known by range sensor, by accessory drive, can by the distance controlling between nozzle and coal rock layer in a very suitable scope.
Further, described carriage is electric cylinder.
Further, described support also comprise the horizontally set connecting described column crossbeam, connect described crossbeam and column the longeron that arranges of longitudinal direction.
The effect of support supports fixing carriage, is therefore not limited to structure and form, and the support of said structure is convenient to make, and be convenient for carrying, comparatively firmly, good mechanical performance, therefore can play good supporting role to broken coal petrography.
Further, the bottom of described support is provided with the fixed part that this support can be fixed to ground.By fixed part can be firm support is fixed on the ground.The effect of fixed part is support to be fixed to ground, is therefore not limited to any structure, and in prior art, various structures all can meet the demand.
Further, described fixed part comprises multiple brace being located at this frame bottom, and described brace is provided with through hole.In use, by pin or bolt or other objects, by the through hole of brace, support is fixed on the ground, the firm of support can be guaranteed, ensure that use procedure medium-height trestle can not retreat because of the counterforce of High-Pressure Water.
Further, described fixed part comprises the leg being located at this frame bottom, and the diameter of this leg successively decreases from top to bottom.During use, directly leg is inserted and can guarantee the firm of support on the ground.If the harder support in ground is difficult to insert down, hole on the ground in advance by other article.
Further, described support duralumin, hard alumin ium alloy or angle steel are made.The support that this bi-material is made is very firm, can meet the demand of exploration exploitation.
Further, described self-advancing type jetting is broken coal petrography device and is also comprised abradant feeding apparatus, and this abradant feeding apparatus is connected with described injection apparatus, conveying grinding material in this injection apparatus.Add abrasive material by the High-Pressure Water that sprays at nozzle, can further improve brokenly the efficiency of coal petrography.
Coal petrography device is broken in the self-advancing type jetting that the utility model is obtained by above-mentioned design, moved by the movable part of drive unit control carriage in use, drive the nozzle movement of injection apparatus, thus reach the object of Control Nozzle and coal petrography distance, and then improve brokenly the efficiency of coal petrography.
Accompanying drawing explanation
Fig. 1 is the structural representation that coal petrography device is broken in self-advancing type jetting that the utility model first embodiment provides;
Fig. 2 is the structural representation that coal petrography device is broken in self-advancing type jetting that the utility model second embodiment provides;
Fig. 3 is the structural representation that the control device of coal petrography device is broken in self-advancing type jetting that the utility model second embodiment provides;
Fig. 4 is the another kind of structural representation that the fixed part of coal petrography device is broken in self-advancing type jetting that the utility model provides;
Fig. 5 is the structural representation that coal petrography device is broken in self-advancing type jetting that the utility model the 3rd embodiment provides;
Fig. 6 is the structural representation that the column of coal petrography device is broken in self-advancing type jetting that the utility model embodiment provides.
Mark in figure:
101-support; 102-injection apparatus; 103-carriage; 104-movable part; 105-stay pipe; 106-range sensor; 107-crossbeam; 108-longeron; 109-column; 110-brace; 111-leg; 112-abradant feeding apparatus; 113-nozzle; 114-control device; 115-slide rail.
Detailed description of the invention
Increasingly serious along with petroleum resources imbalance between supply and demand, unconventional petroleum resources will become the main object of the following oil-gas exploration and development of China.As the coal bed gas of the commercial operation that takes on a certain scale, have broad prospects and potentiality in China.
Coal bed gas is a kind of by coalbed-forming and the main Unconventional forage preserved in coal seam with adsorbed state, and main component is methane, and methane generally accounts for 95%-98%, therefore is referred to as coal bed methane, is commonly called as again as gas within coal mines.China's coal bed gas resource is extremely abundant, and according to measuring and calculating, China's coal bed gas resource total amount is about 43,000,000,000,000 m
3.The real data display of most complete coal resources exploration achievement and coal bed gas content up to now, the Gas In Coalbed Gas Content of China is greater than 8m
3the methane rich Coal bed gas project of/t is 12.44 trillion m
3, air content 4m
3/ more than t, the Coal bed gas project that buried depth is less than 2000m is 14.34 trillion m
3; The Coal bed gas project that buried depth is less than 1500 meters is 9.26 trillion m
3.Buried depth between the Coal bed gas project of 1500-2000 rice be 5.08 trillion m
3.From distributed areas, China's coal bed gas is mainly distributed in middle part, and Coal bed gas project is 20.08 trillion m
3, account for 63.82% of total amount; Secondly for west area coal bed gas resource total amount is 7.99 trillion m
3, account for 25.4% of total amount; The coal bed gas resource total amount of eastern region is 3.39 trillion m
3, account for 10.78% of China's coal bed gas resource total amount.And major part is distributed in transfering natural gas from the west to the east pipe fortune along the line, exploitation prospect is huge.
As one of the key technology of production efficiency affecting coal bed gas, the broken coal petrography efficiency in recovery process directly decides production efficiency and the cost of winning of coal bed gas.
Chinese scholars to the theory of high-pressure water jet and experimental study verified, range is as the key factor affecting abradant jet, under certain operating mode, there is a boundary value in the efficiency of breaking rock of high-pressure water jet, when range is slightly less than this boundary value, depth of cut is roughly equal, but when range is too small, because jet backwash is serious, depth of cut declines on the contrary.Range is once exceed this boundary value, and depth of cut sharply reduces.This is due to the increase along with nozzle range, and the surrounding medium entrainmented in jet increases, and causes average speed to decline, and the convergence of abrasive water-jet reduces gradually.Thus, the kinetic energy that abrasive particle has reduces, the erosion kinetic energy of abrasive material is weakened, it also weakens the erosive force of rock surface thereupon, depth of cut reduces thereupon, that is to say to break in the dynamic process of coal petrography at high-pressure water jet and there is a best distance of shooting at the target, reasonably select range, effectively can improve efficiency of breaking rock.
Based on this, the efficiency of coal petrography is broken for improving high-pressure water jet, the utility model, by a series of design, obtains a kind of self-advancing type jetting and breaks coal petrography device, and this device can ensure that high-pressure water jet breaks in coal petrography dynamic process and keep best distance of shooting at the target with coal rock layer.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the self-advancing type jetting that the utility model first embodiment provides is broken coal petrography device and is comprised support 101 and injection apparatus 102; Described support 101 is provided with the carriage 103 driven by drive unit, described carriage 103 comprises the movable part that can move horizontally, described in the movable part 104 that the nozzle 113 of described injection apparatus 102 is fixed on this carriage 103, support comprises the telescopic column vertically arranged, and the bottom transverse of support is provided with slide rail 115.
In use, carriage 103 is used for moving and drives nozzle 113 to move, and carrys out the distance between Control Nozzle 113 and coal rock layer.In the present embodiment, this carriage 103 is electric cylinder.
This self-advancing type jetting breaks coal petrography device in use, before being placed on coal rock layer, nozzle 113 is aimed at coal rock layer, controls nozzle 113 and the distance of coal rock layer well, opens injection apparatus 102, to coal rock layer inject high pressure current, impacts coal rock layer.Along with the injection of current, the coal rock layer on surface is constantly washed, therefore the surface distance nozzle 113 of coal rock layer is more and more far away, now in order to make nozzle 113 and coal rock layer keep suitable distance, open drive unit, adjustable nozzles 113 and the distance of coal rock layer, guarantee the efficiency of injection and broken coal petrography.
By adjusting the height of column, the height of support can be changed, and then the position of injection apparatus can be changed; By slide rail 115 adjustable support lateral attitude, and then change the position of injection apparatus.
Telescopic device is comparatively existing, and in the present embodiment, this column is telescopic tube (accompanying drawings 6), by the height of the whole support of flexible adjustable of column.
The effect of the present embodiment medium-height trestle 101 supports fixing carriage 103, therefore structure and form is not limited to, a kind of form of support 101 is provided, the longeron 108 that the crossbeam 107 that this support 101 also comprises the connection column 109 of horizontally set, the longitudinal direction connecting described crossbeam 107 and column 109 are arranged in the present embodiment.The not restriction of the quantity of described crossbeam 107, longeron 108 and column 109 and size, as long as satisfy the demands, the support 101 that the present embodiment provides can with reference to shown in accompanying drawing 1.The support 101 of this structure is convenient to make, and be convenient for carrying, comparatively firmly, good mechanical performance, therefore can play good supporting role to broken coal petrography.
Preferably, this support 101 can adopt duralumin, hard alumin ium alloy or angle steel to make, and 1,010 points, the support that this bi-material is made is firm, can meet the demand of exploration exploitation.In the present embodiment, this support 101 adopts duralumin, hard alumin ium alloy to make.
When High-Pressure Water breaks coal petrography, current are through nozzle 113 coal-rock-impacting, when current are sprayed by nozzle 113, due to the sudden contraction of nozzle 113 exit area of passage, feed system reaction force of clamping nozzle 113 can be given, the size of this reaction force not only with fluid character about the structure of going back nozzle 113 closely connected.When current by high-pressure pump through water pipe mass flowing nozzle 113 time, whole process flow-shape is complicated, more difficult calculating.
In reality exploration recovery process, in order to offset the impact of this counterforce for whole device, guaranteeing the distance between nozzle 113 and coal rock layer, needing comparatively firm the fixing on the ground of support 101.In actual application, what scout was more is adopt weight that the method that support 101 is pushed down is fixed this support 101.The self-advancing type jetting that the present embodiment provides is broken coal petrography device and also can be adopted and fix support 101 in this way, bag of cement, silt bag or stone specifically can be adopted to suppress, substantially can guarantee that support 101 can not retreat because of this counterforce.
This self-advancing type jetting breaks coal petrography device by said structure and using method, can guarantee that distance controlling between nozzle 113 and coal rock layer is in rational scope, ensures to exploit with higher efficiency, cost control in lower scope.
Refer to Fig. 2 and Fig. 3, the utility model additionally provides the second embodiment, the self-advancing type jetting that the present embodiment provides is broken the difference that self-advancing type jetting in coal petrography device and above-described embodiment breaks coal petrography device and is: in the present embodiment, described movable part 104 is connected with stay pipe 105, the length direction of this stay pipe 105 is consistent with the glide direction of this carriage 103, the free end of stay pipe 105 extends described carriage 103, and described nozzle 113 is fixed on this stay pipe 105.Preferably, it is fixed on the free end of stay pipe 105.
Because the length of nozzle 113 is shorter, and the length of whole carriage 103 is longer, directly be arranged on the movable part 104 of carriage 103 by nozzle 113, whole nozzle 113 is in the length range of carriage 103 substantially, is unfavorable for the control of injection and jet length.
The design of stay pipe 105, improves this problem preferably, and stay pipe 105 plays the effect extending and lengthen, and nozzle 113 is in outside the length range of carriage 103 substantially.
In addition to the above described differences, in the present embodiment, self-advancing type jetting is broken coal petrography device and is comprised whole features that coal petrography device is broken in self-advancing type jetting in the first embodiment.In addition, other features are also included.
In order to the distance between better Control Nozzle 113 and coal rock layer, stay pipe 105 is provided with a range sensor 106, described self-advancing type jetting is broken coal petrography device and is also comprised control device 114, and this range sensor 106 is connected with described control device 114.The induction end of range sensor 106 is towards coal rock layer.Control device 114 comprises display screen and manipulation button, range sensor 106 by the signal transmission that detects to control device 114, pass through information processing, display on a display screen, manipulation personnel can accessory drive by manipulation button, and then the movable part of mobile sliding device, make the distance controlling between nozzle and coal rock layer in a very suitable scope.
Range sensor 106 and control device 114 can adopt wireless or wired mode to be connected, and can more convenient operator be used, but wired connection mode cost are higher relatively by radio connection.
In addition, according to the distance that range sensor 106 records, and the distance between the induction end of range sensor 106 and nozzle 113, the feeding of automatically controlled actuating device can be carried out by setting program.
In order to make support 101 better fix on the ground, the bottom of support 101 described in the present embodiment is provided with the fixed part that this support 101 can be fixed to ground.The effect of fixed part is support 101 to be fixed to ground, and be therefore not limited to any structure, in prior art, various structures all can meet the demand.
In the present embodiment, the concrete form of this fixed part is: described fixed part comprises multiple brace 110 be located at bottom this support 101, and described brace 110 is provided with through hole.The number of brace 110 is also unrestricted, but firm in order to ensure support 101, this brace 110 is preferably no less than 3.In the present embodiment, this brace 110 has 4.
In use, by pin or bolt or other objects, support 101 fixes on the ground by the through hole through brace 110, can guarantee the firm of support 101, ensures that use procedure medium-height trestle 101 can not retreat because of the counterforce of High-Pressure Water.
The utility model additionally provides a kind of form of fixed part, refers to Fig. 4, and described fixed part comprises the leg 111 be located at bottom this support 101, and the diameter of this leg 111 successively decreases from top to bottom.During use, directly leg 111 is inserted and can guarantee the firm of support 101 on the ground.If the harder support 101 in ground is difficult to insert down, hole on the ground in advance by other article.
This self-advancing type jetting breaks coal petrography device by said structure and using method, can guarantee that distance controlling between nozzle 113 and coal rock layer is in rational scope, ensures to exploit with higher efficiency, cost control in lower scope.
Refer to Fig. 5, the utility model additionally provides the 3rd embodiment, the self-advancing type jetting that the present embodiment provides is broken coal petrography device and is comprised whole special types that coal petrography device is broken in self-advancing type jetting in the second embodiment, in addition, this self-advancing type jetting is broken coal petrography device and is also comprised an abradant feeding apparatus 112, this abradant feeding apparatus 112 is connected with described injection apparatus 102, conveying grinding material in this injection apparatus 102.Add abrasive material by the High-Pressure Water that sprays at nozzle 113, can further improve brokenly the efficiency of coal petrography.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a coal petrography device is broken in self-advancing type jetting, it is characterized in that, comprises support and injection apparatus;
Described support is provided with the carriage driven by drive unit, and described carriage comprises the movable part that can move horizontally, and the nozzle of described injection apparatus is fixed on described movable part;
Described support comprises the telescopic column vertically arranged, and the bottom transverse of support is provided with slide rail.
2. coal petrography device is broken in self-advancing type jetting according to claim 1, it is characterized in that, described movable part is connected with stay pipe, and the length direction of this stay pipe is consistent with the glide direction of this carriage, and described nozzle is fixed on this stay pipe.
3. coal petrography device is broken in self-advancing type jetting according to claim 2, and it is characterized in that, described stay pipe is provided with range sensor, and described self-advancing type jetting is broken coal petrography device and also comprised control device, and this range sensor is connected with described control device.
4. coal petrography device is broken in self-advancing type jetting according to claim 1, it is characterized in that, described carriage is electric cylinder.
5. coal petrography device is broken in self-advancing type jetting according to claim 1, it is characterized in that, described support also comprise the horizontally set connecting described column crossbeam, connect described crossbeam and column the longeron that arranges of longitudinal direction.
6. coal petrography device is broken in self-advancing type jetting according to claim 5, it is characterized in that, the bottom of described support is provided with the fixed part that this support can be fixed to ground.
7. coal petrography device is broken in self-advancing type jetting according to claim 6, it is characterized in that, described fixed part comprises multiple brace being located at this frame bottom, and described brace is provided with through hole.
8. coal petrography device is broken in self-advancing type jetting according to claim 6, and it is characterized in that, described fixed part comprises the leg being located at this frame bottom, and the diameter of this leg successively decreases from top to bottom.
9. coal petrography device is broken in self-advancing type jetting according to claim 5, it is characterized in that, described support duralumin, hard alumin ium alloy or angle steel are made.
10. coal petrography device is broken in the self-advancing type jetting according to any one of claim 1-9, it is characterized in that, described self-advancing type jetting is broken coal petrography device and is also comprised abradant feeding apparatus, and this abradant feeding apparatus is connected with described injection apparatus, conveying grinding material in this injection apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830761.5U CN204492657U (en) | 2014-12-24 | 2014-12-24 | Coal petrography device is broken in a kind of self-advancing type jetting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830761.5U CN204492657U (en) | 2014-12-24 | 2014-12-24 | Coal petrography device is broken in a kind of self-advancing type jetting |
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| CN204492657U true CN204492657U (en) | 2015-07-22 |
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| CN201420830761.5U Expired - Fee Related CN204492657U (en) | 2014-12-24 | 2014-12-24 | Coal petrography device is broken in a kind of self-advancing type jetting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275398A (en) * | 2015-11-02 | 2016-01-27 | 北华航天工业学院 | Nozzle-adjustable mechanism of high-pressure small-jet coal and gas outburst-prevention and control device |
| CN105381851A (en) * | 2015-12-04 | 2016-03-09 | 徐妍玲 | First supporting frame for rack of powder coating pulverizer |
| CN105822304A (en) * | 2016-03-23 | 2016-08-03 | 河南理工大学 | Directional hydraulic power grooving remote control method for gob-side entry top cutting and pressure discharging |
| CN113008311A (en) * | 2021-04-09 | 2021-06-22 | 郑州煤机液压电控有限公司 | System and method for detecting pushing progress of fully mechanized coal mining face of coal mine |
-
2014
- 2014-12-24 CN CN201420830761.5U patent/CN204492657U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275398A (en) * | 2015-11-02 | 2016-01-27 | 北华航天工业学院 | Nozzle-adjustable mechanism of high-pressure small-jet coal and gas outburst-prevention and control device |
| CN105275398B (en) * | 2015-11-02 | 2017-07-18 | 北华航天工业学院 | A kind of high-pressure small jet prevents and treats the nozzle adjustable mechanism of coal and gas prominent device |
| CN105381851A (en) * | 2015-12-04 | 2016-03-09 | 徐妍玲 | First supporting frame for rack of powder coating pulverizer |
| CN105822304A (en) * | 2016-03-23 | 2016-08-03 | 河南理工大学 | Directional hydraulic power grooving remote control method for gob-side entry top cutting and pressure discharging |
| CN105822304B (en) * | 2016-03-23 | 2017-12-19 | 河南理工大学 | A kind of gob side entry cuts top release orientation waterpower grooving long-range control method |
| CN113008311A (en) * | 2021-04-09 | 2021-06-22 | 郑州煤机液压电控有限公司 | System and method for detecting pushing progress of fully mechanized coal mining face of coal mine |
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