Background technology
China is the main producing coal country in the world, and the colliery sum surpasses other All Countries colliery number sums of the whole world, and coal and mining industry becomes one of important industry of China.
In the prior art, comprehensive mechanical coal mining becomes the main method that girdle is exploited, after the seam mining, can form the colliery underworkings, surface for the tunnel of can hardening prevents the effusion of the pernicious gases such as gas in the coal seam, improves the safety of mining, help the ventilation in the tunnel simultaneously, generally take spray operation on the surface in tunnel.Spray operation generally need carry out by means of spouting plant.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of typical spouting plant in the prior art (traditional wet shot machine).
Spouting plant of the prior art comprises mixing drum 11, mixing drum 11 is provided with water filling port 111, charging aperture 112, and by the shaft 113 of motor 12 driven rotary be fixed in the helical blade 114 of shaft 113, the below of mixing drum 11 is connected with conveying steel pipe 13, and the end of conveying steel pipe connects air chimney 14 and flexible pipe 15 by three-way connector 16.
When carrying out spray operation, actuating motor 12, shaft 113 and helical blade 114 are rotated under the drive of motor 12, the material siccative is put into mixing drum 11 by charging aperture 112, and in mixing drum 11, annotate the water that is added with accelerating admixture by water filling port 111, like this, under the effect of shaft 113 and helical blade 114, finish the stirring of material, and under the pump action of helical blade 114, the product pump that stirs is delivered to conveying steel pipe 13, and at three-way connector 16 places, the wind with suitable pressure through introducing by air chimney 14 is to flexible pipe 15, and is ejected into the surface in tunnel, realizes the processing to the tunnel.
Yet,, be generally 30 meters to 40 meters because the fed distance of spouting plant of the prior art is shorter, therefore, in the whitewashing process, need mobile device and material frequently, increase a lot of workloads to spray operation, simultaneously, also reduced the efficient of spray operation.
Therefore, the efficient that how to improve spray operation is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of spouting plant that is used for spray operation, this spouting plant can prolong the fed distance of material, the mobile number of times of minimizing equipment and material, the operating efficiency of raising spray operation.
For solving the problems of the technologies described above, the invention provides a kind of spouting plant, comprise conveying device, also comprise pumping installations and be used for the hopper of splendid attire material, described pumping installations comprise first carry cylinder, second to carry cylinder and the piston that drives the two alternately along its power part that axially moves forward; Under the effect of described power part, described first carries cylinder and described second to carry cylinder alternately described material to be pumped into described conveying device.
Preferably, also comprise the mixing plant that is used to stir described material, the described mass transport that described mixing plant will stir is to described hopper.
Preferably, also comprise the accelerating admixture adding set, the accelerating admixture pipe of described accelerating admixture adding set is communicated with the end of described conveying device.
Preferably, described accelerating admixture pipe is communicated with the air chimney of described spouting plant, and first end of described air chimney is communicated with the end of described conveying device, and its second end is communicated with the wind regime pipe.
Preferably, also comprise shower nozzle, first end of described air chimney is communicated with the end of described conveying device by described shower nozzle.
Preferably, described shower nozzle comprises the shower nozzle pipe and is set in the pipe box of described shower nozzle pipe periphery, described shower nozzle pipe first end is communicated with the delivery hose of described conveying device by connector, the periphery of the pars intermedia of described shower nozzle pipe offers groove, the axis of described groove is parallel substantially with the axis of described shower nozzle pipe, offer the air vent that radially extends along it on the described pipe box, the two ends of described air vent are communicated with described air chimney and described groove respectively.
Preferably, offer the wind hole that is communicated with the endoporus of described shower nozzle pipe on the sidewall of described groove, have suitable angle between the axis in described wind hole and the axis of described shower nozzle pipe.
Preferably, the number in described wind hole is a plurality of, and circumferentially evenly being provided with along described groove.
Preferably, described air vent comprises first air vent and second air vent, and the two circumferentially evenly being provided with along described pipe box; Described air chimney comprises main ventilation pipe, first fen air chimney and second fen air chimney, the two ends of described first minute air chimney are connected with described main ventilation pipe with described first air vent respectively, and the two ends of described second minute air chimney are connected with described main ventilation pipe with described second air vent respectively.
Preferably, described air chimney is communicated with described wind regime pipe by reducing valve.
Preferably, be connected with pressure meter on the described air chimney.
Preferably, described accelerating admixture adding set comprises accelerating admixture case and the measuring pump that connects by described accelerating admixture pipe, described measuring pump comprises by motor-driven hydraulic pump, hydraulic motor by described hydraulic pump drive, and by the accelerating admixture pump of described fluid motor-driven, be connected with flow speed control valve between described hydraulic pump and the described hydraulic motor, the accelerating admixture in the described accelerating admixture case enters the end of described conveying device under the effect of described measuring pump.
Spouting plant provided by the present invention comprises conveying device, pumping installations and is used for the hopper of splendid attire material, pumping installations comprise first carry cylinder, second to carry cylinder and the piston that drives the two alternately along its power part that axially moves forward; Under the effect of power part, first carries cylinder and second to carry cylinder alternately material to be pumped into conveying device.Like this, when carrying out spray operation, first carries the piston and second of cylinder to carry the piston of cylinder alternately to move forward under the effect of power part, when the piston forward of the first conveying cylinder moves, first carries the piston product pump that it is inner of cylinder to deliver to conveying device, carry, simultaneously, second carries the cylinder barrel of cylinder to be communicated with hopper, its piston moves backward simultaneously, and material is sucked cylinder barrel, for pumping work is got ready, thereby first carries cylinder and second to carry cylinder to hocket, and realizes the conveying of material.As can be seen, spouting plant provided by the present invention has independent pumping device, first of simultaneous pumping device is carried the cylinder and second setting of carrying cylinder, make it have very strong pumpability, thereby realized the prolongation of mass transport distance, reduced the mobile number of times and the displacement of spouting plant and material, reduced the workload of moving process, shorten the spray operation time, improved the efficient of spray operation.
In a kind of preferred implementation, spouting plant provided by the present invention also comprises the mixing plant that is used to stir described material, mixing plant with the mass transport that stirs to hopper.The setting of mixing plant makes the stirring work of material to be undertaken by special agitating apparatus, thereby stirs material more abundant, has avoided material to produce dust when whitewashing, and the resilience of material, thereby has improved the quality and the operating efficiency of spray operation.
In another kind of preferred implementation, spouting plant provided by the present invention also comprises the accelerating admixture adding set, and the accelerating admixture pipe of accelerating admixture adding set is communicated with the end of conveying device.The accelerating admixture pipe of accelerating admixture adding set is communicated with the end of conveying device can realize transmission end and the mixing of materials of accelerating admixture at material, prevent material from conveying device, carrying out solidifying in the course of conveying and blocked conveying device, thereby prolonged the application life of spouting plant.
In another kind of preferred implementation, spouting plant provided by the present invention also comprises shower nozzle, shower nozzle comprises the shower nozzle pipe and is set in the pipe box of shower nozzle pipe periphery, shower nozzle pipe first end is communicated with the delivery hose of conveying device by connector, the periphery of the pars intermedia of shower nozzle pipe offers groove, the axis of groove overlaps substantially with the axis of shower nozzle pipe, offers the air vent that radially extends along it on the pipe box, and the two ends of air vent are communicated with air chimney and groove respectively.Like this, accelerating admixture enters the groove of shower nozzle pipe through the air vent of pipe box under can the high pressure wind action in air chimney, enters the endoporus and the mixing of materials of carrying through conveying device of shower nozzle pipe.Air vent can be introduced the high-pressure blast that has accelerating admixture the groove of shower nozzle pipe easily, because groove is opened in the periphery of shower nozzle pipe, high-pressure blast is spread along circumferential in groove, and finally enter the endoporus of shower nozzle pipe, thereby make accelerating admixture preferably with mixing of materials, when avoiding the clogged up with material conveying device, improved the mixed effect of accelerating admixture and material.
The specific embodiment
Core of the present invention provides a kind of spouting plant that is used for spray operation, and this spouting plant can prolong the fed distance of material, the mobile number of times of minimizing equipment and material, the operating efficiency of raising spray operation.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural representation of a kind of specific embodiment of spouting plant provided by the present invention; Fig. 3 is the schematic top plan view of spouting plant shown in Figure 2; The structural representation of the pumping installations of the spouting plant that Fig. 4 is provided for a kind of specific embodiment of the present invention.
In a kind of specific embodiment, spouting plant provided by the present invention, comprise conveying device 23, pumping installations 21, air chimney 25 and the hopper 22 that is used for the splendid attire material, pumping installations 21 comprise first carry cylinder 2121, second to carry cylinder 2122 and the piston that drives the two alternately along its power part that axially moves forward 211; Under the effect of power part 211, first carries cylinder 2121 and second to carry cylinder 2122 alternately material to be pumped into conveying device 23, is injected into the surface of injected body then under the effect of the gases at high pressure of ventilating pipe 25.Be meant right-hand member when refractory gunning equipment placed according to the described position of Fig. 2 before as herein described.
Carry cylinder 2122 alternately material to be pumped into conveying device 23 pumping installations 21 and can also comprise reversing tube and commutation power part for guaranteeing the first conveying cylinder 2121 and second, reversing tube can pass the front and back sidewall of hopper 22, first end of reversing tube is connected with the conveying steel pipe of conveying device 23, the sidewall of its second end is connected by the rotating shaft of passing the two with the rear wall of hopper 22, and in rotation around the shaft under the effect of commutation power part, alternately carry the cylinder barrel and second of cylinder 2121 to carry the cylinder barrel of cylinder 2122 to be communicated with, realize that material is by the pumping of hopper 22 to conveying device 23 with first.Particularly, power part 211 and commutation power part can be realized the parts of functional requirement for hydraulic cylinder or other, and this paper does not limit this.
When carrying out spray operation, first carries the piston and second of cylinder 2121 to carry the piston of cylinder 2122 alternately to move forward under the effect of power part 211, and meanwhile, the commutation power part correspondingly changes the position of reversing tube; When the piston forward of the first conveying cylinder 2121 moves, the commutation power part makes reversing tube be communicated with its cylinder barrel, first carries the piston product pump that it is inner of cylinder 2121 to deliver to reversing tube, and then carry by conveying device 23, simultaneously, second carries the cylinder barrel of cylinder 2122 to be communicated with hopper 22, its piston moves backward simultaneously, material is sucked cylinder barrel, ready for pumping work, so repeatedly, first carries cylinder 2121 and second to carry cylinder 2122 pumping that hockets, realize the conveying of material, and under the high pressure wind action of introducing by ventilating pipe 25, be injected into the surface of injected body.
As can be seen, spouting plant provided by the present invention has independent pumping device 21, first of simultaneous pumping device 21 is carried the cylinder 2121 and second setting of carrying cylinder 2122, make it have very strong pumpability, thereby realized the prolongation of mass transport distance, reduced the mobile number of times and the displacement of spouting plant and material, reduced the workload of moving process, shorten the spray operation time, improved the efficient of spray operation.
For the stirring that makes material more abundant, spouting plant provided by the present invention can also comprise the mixing plant (not shown) that is used to stir described material, during spray operation, at first use mixing plant to finish the stirring of material, then with the mass transport that stirs to hopper 22, under pumping installations 21 and high pressure wind action, be injected into the surface of injected body again.
The setting of mixing plant makes the stirring work of material to be undertaken by special agitating apparatus, thereby stirs material more abundant, has avoided material to produce dust when whitewashing, and the resilience of material, thereby has improved the quality and the operating efficiency of spray operation.
Particularly, spouting plant provided by the present invention can also comprise accelerating admixture adding set 24, and the accelerating admixture pipe 241 (being shown among Fig. 9) of accelerating admixture adding set 24 is communicated with the end of conveying device 23.
Accelerating admixture adding set 24 is set separately, and the accelerating admixture pipe 241 of accelerating admixture adding set 24 is communicated with the end of conveying device 23 can realize that accelerating admixture adds in the end of conveying device 23, like this, material can mix at the end of transmission with accelerating admixture, the obstruction of the conveying device 23 that has prevented material from conveying device 23, carrying out solidifying in the course of conveying effectively and caused, thus application life of spouting plant prolonged.
Certainly, accelerating admixture pipe 241 is communicated with the air chimney 25 of spouting plant, first end of air chimney 25 is communicated with the end of conveying device 23, and its second end is communicated with wind regime pipe 29.Like this, accelerating admixture can be blown into the end of conveying device 23 under the high pressure wind action in the air chimney 25, and with the mixing of materials in the conveying device 23, the high pressure wind action can improve material and accelerating admixture mixing resultant.
For convenience being connected of the end of air chimney 25 and conveying device 23, spouting plant provided by the present invention can also comprise shower nozzle 26, and first end of air chimney 25 passes through shower nozzle 26 and is communicated with the end of conveying device 23.
Please refer to Fig. 5 and Fig. 6, the structural representation of the shower nozzle of the spouting plant that Fig. 5 is provided for a kind of specific embodiment of the present invention; The cross-sectional schematic of the shower nozzle of the spouting plant that Fig. 6 is provided for a kind of specific embodiment of the present invention.
As shown in FIG., shower nozzle can specifically comprise shower nozzle pipe 262 and be set in the pipe box 263 of shower nozzle pipe 262 peripheries, shower nozzle pipe 262 first ends are communicated with the delivery hose 231 (being shown among Fig. 3) of conveying device 23 by connector 261, the periphery of intermediate portion offers groove 2621, the axis of groove 2621 is parallel substantially with the axis of shower nozzle pipe 262, offer on the pipe box 263 along its air vent that radially extends 2631, the two ends of air vent 2631 are communicated with air chimney 25 and groove 2621 respectively.
Like this, accelerating admixture can enter the groove 2621 of shower nozzle pipe 262 through the air vent 2631 of pipe box 263 under the high pressure wind action in the air chimney 25, enters the endoporus and the mixing of materials of carrying through conveying device 21 of shower nozzle pipe 262.
Air vent 2631 can be introduced the high-pressure blast that has accelerating admixture the groove 2621 of shower nozzle pipe 262 easily, because groove 2621 is opened in the periphery of shower nozzle pipe 262, high-pressure blast is spread along circumferential in groove 2621, thereby and the final flow velocity that can add strong wind by groove 2621, make accelerating admixture preferably with mixing of materials, when avoiding clogged up with material conveying device 23, improved the mixed effect of accelerating admixture and material.
Particularly, can also offer the wind hole 2622 that is communicated with the endoporus of shower nozzle pipe 262 on the sidewall of groove 2621, have suitable angle between the axis of the axis in wind hole 2622 and shower nozzle pipe 262.
Like this, high-pressure blast just can enter groove 2621 by air vent 2631, and in groove 2621, spread, finally the wind hole 2622 of the sidewall by being opened in groove 2621 enters the endoporus of shower nozzle pipe 262, because the diameter in wind hole 2622 is less, thereby the flow velocity that can further add strong wind, make accelerating admixture preferably with mixing of materials.
Suitable angle as herein described is meant and guarantees that high-pressure blast blows out the angle of shower nozzle pipe 262 with material, certainly, blows out effect preferably in order to guarantee to have, should reduce as far as possible wind hole 2622 axis direction should and the axis direction of shower nozzle pipe 262 between angle.In addition, in order to improve the active force of high-pressure blast, can also make wind hole 2622 have the diminishing pyramidal structure of circulating direction of ocular hypertension wind.
Particularly, air vent 2631 can be specially screwed hole, to make things convenient for being connected between air chimney 25 and the pipe box 263.Groove 2621 can have circular ring structure, thereby guarantees that accelerating admixture and high-pressure blast can improve the mixed effect of accelerating admixture and material, and guarantee the ejection effect of high-pressure blast around the circumferentially ejection equably of shower nozzle pipe 262.
The centering of the processing of groove 2621 for convenience and groove 2621 and air vent 2631 guarantees the introduction of high-pressure blast, can make the axial cross section of groove 2621 have trapezium structure, certainly, has other structures and also is fine, and this paper does not limit this.
Particularly, the number in wind hole 2622 is a plurality of, and circumferentially evenly being provided with along groove 2621.Like this, can guarantee the blow out effect of high-pressure blast, and guarantee that accelerating admixture mixes preferably with material material.
Please refer to Fig. 3, Fig. 6 and Fig. 7, Fig. 7 is an A enlarged diagram partly shown in Figure 3.
As shown in Figure 6 and Figure 7, air vent 2631 comprises first air vent (not marking with label among the figure) and second air vent (not marking with label among the figure), and the two circumferentially evenly being provided with along pipe box 263; Air chimney 25 comprises main ventilation pipe 251, first minute air chimney 252 and second fen air chimney 253, the two ends of first fen air chimney 252 are connected with main ventilation pipe 251 with first air vent respectively, and the two ends of second fen air chimney 253 are connected with main ventilation pipe 251 with second air vent respectively.
First air vent and second air vent further guaranteed high-pressure blast with VELOCITY DIFFUSION quickly to each position of groove 2621, the inlet air hole 2622 of going forward side by side.The concrete structure of air chimney 25 has been realized the change of the wind direction of high-pressure blast very simply, easily.
Please refer to Fig. 3 and Fig. 8, Fig. 8 is a B enlarged diagram partly shown in Figure 3.
As shown in Figure 8, air chimney 25 can be communicated with wind regime pipe 29 by reducing valve 28.Thereby realize the change of blast easily, to satisfy the needs that whitewashing and accelerating admixture mix.
Particularly, in order constantly to detect the pressure in the air chimney 25,, can also on air chimney 25, connect pressure meter 27 to adjust the strength of adjustment of reducing valve 28.
Please refer to Fig. 9 and Figure 10, the master of the accelerating admixture adding set of the spouting plant that Fig. 9 is provided for a kind of specific embodiment of the present invention looks schematic diagram; The schematic top plan view of the accelerating admixture adding set of the spouting plant that Figure 10 is provided for a kind of specific embodiment of the present invention.
In a kind of specific embodiment, accelerating admixture adding set 24 also comprises accelerating admixture case 242 and measuring pump 243, measuring pump can comprise the hydraulic pump 2433 that is driven by motor 2431, hydraulic motor 2434 by hydraulic pump 2433 drivings, and, connect flow speed control valve (not marking among the figure) between hydraulic pump 2433 and the hydraulic motor 2434 by the accelerating admixture pump 2432 that hydraulic motor 2434 drives.The pump accelerating admixture case 242 interior accelerating admixtures of regulating measuring pump 243 by flow speed control valve enter the end of conveying device 21 under the effect of measuring pump 243.The use of measuring pump 243 can guarantee the conveying capacity of accelerating admixture, guarantees the mixed effect of accelerating admixture and material, and then guarantees the setting time of material.
More than spouting plant provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.