CN114837738A - Sand discharging system for mine filling station - Google Patents
Sand discharging system for mine filling station Download PDFInfo
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- CN114837738A CN114837738A CN202210509559.1A CN202210509559A CN114837738A CN 114837738 A CN114837738 A CN 114837738A CN 202210509559 A CN202210509559 A CN 202210509559A CN 114837738 A CN114837738 A CN 114837738A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
本发明提出了一种矿山充填站用放砂系统，涉及矿山充填技术领域。一种矿山充填站用放砂系统，包括砂仓、放砂管和搅拌装置，放砂管一端与砂仓连通，另一端与搅拌装置连通；放砂管上连通有放砂阀、流量计和管夹阀组，放砂阀设于放砂管靠近砂仓的管道上，流量计设于放砂管上，管夹阀组设于放砂管靠近搅拌装置的管道上；放砂管上还连通有对放砂管内砂浆限流的节流装置，且节流装置设于管夹阀组和搅拌装置之间；此放砂系统能够大幅度延长管夹阀组内胶管的使用寿命，保证充填工艺的连续性，降低砂浆运输成本。
The invention provides a sand discharge system for a mine filling station, which relates to the technical field of mine filling. A sand discharging system for a mine filling station comprises a sand bin, a sand discharging pipe and a stirring device. One end of the sand discharging pipe is connected with the sand bin and the other end is connected with the stirring device; the sand discharging pipe is connected with a sand discharging valve, a flow meter and a Pipe pinch valve group, the sand discharge valve is set on the pipeline near the sand discharge pipe, the flow meter is set on the sand discharge pipe, and the pipe pinch valve group is set on the pipeline of the sand discharge pipe close to the stirring device; A throttling device for restricting the flow of mortar in the sand discharge pipe is connected, and the throttling device is arranged between the pipe pinch valve group and the stirring device; this sand discharge system can greatly prolong the service life of the rubber hose in the pipe pinch valve group and ensure the filling The continuity of the process reduces the cost of mortar transportation.
Description
Technical Field
The invention relates to the technical field of mine filling, in particular to a sand discharge system for a mine filling station.
Background
In the control process of the sand discharging process of the sand silo of the metal and nonmetal mine filling station, an electric or manual pipe clamp valve is required to be installed on a sand discharging pipeline, the valve opening is frequently adjusted according to the sand discharging concentration, and as the mortar concentration is generally 50-70%, certain flushing can be caused to a pipe clamp valve rubber pipe in the filling process, the pipe clamp valve rubber pipe can be broken in a short period to cause mortar leakage, the continuity of the filling process is influenced, the field environment can be polluted, and the labor intensity of workers at posts is increased.
Disclosure of Invention
The invention aims to provide a sand discharge system for a mine filling station, which can greatly prolong the service life of a rubber pipe in a pipe clamp valve group, ensure the continuity of a filling process and reduce the transportation cost of mortar.
The embodiment of the invention is realized by the following steps:
the embodiment of the application provides a sand discharge system for a mine filling station, which comprises a sand silo, a sand discharge pipe and a stirring device, wherein one end of the sand discharge pipe is communicated with the sand silo, and the other end of the sand discharge pipe is communicated with the stirring device;
the sand discharge pipe is communicated with a sand discharge valve, a flowmeter and a pipe clamp valve group, the sand discharge valve is arranged on a pipeline of the sand discharge pipe close to the sand bin, the flowmeter is arranged on the sand discharge pipe, and the pipe clamp valve group is arranged on a pipeline of the sand discharge pipe close to the stirring device;
still the intercommunication has the throttling arrangement to the interior mortar current-limiting of above-mentioned sand discharge pipe on the above-mentioned sand discharge pipe, and above-mentioned throttling arrangement locates between above-mentioned pipe clamp valves and above-mentioned agitating unit.
In some embodiments of the present invention, the throttling device includes a throttling steel plate, the throttling steel plate is provided with an orifice, the orifice is communicated with the sand discharging pipe, and the diameter of the orifice is smaller than the inner diameter of the sand discharging pipe.
In some embodiments of the present invention, the sand discharging pipe includes a first pipe and a second pipe, the sand discharging valve, the flow meter and the pipe clamp valve are assembled on the first pipe, one end of the first pipe is communicated with the sand silo, and the other end of the first pipe is provided with a first flange; one end of the second pipe is provided with a second flange, and the other end of the second pipe is communicated with the stirring device;
the throttling steel plate is arranged between the first flange and the second flange in a sealing mode, and the first flange is detachably connected with the second flange.
In some embodiments of the present invention, a first gasket is disposed between the first flange and the throttle plate, and a second gasket is disposed between the second flange and the throttle plate.
In some embodiments of the present invention, the first flange, the throttle plate and the second flange are detachably connected.
In some embodiments of the present invention, the throttle plate is made of manganese steel.
In some embodiments of the present invention, the inner diameter of the sand discharging pipe is 200mm, and the length of the pipe between the throttling device and the pipe clamp valve set is 300 mm.
In some embodiments of the present invention, the pipe clamp valve set includes an electric pipe clamp valve, and the electric pipe clamp valve is disposed on the sand discharge pipe.
In some embodiments of the present invention, the pipe clamp valve set further comprises a manual pipe clamp valve, and the manual pipe clamp valve is disposed on the sand discharge pipe.
In some embodiments of the present invention, the sand valve is a cast stone ball valve.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
a sand discharge system for a mine filling station comprises a sand silo, a sand discharge pipe and a stirring device, wherein one end of the sand discharge pipe is communicated with the sand silo, and the other end of the sand discharge pipe is communicated with the stirring device; the sand discharge pipe is communicated with a sand discharge valve, a flowmeter and a pipe clamp valve group, the sand discharge valve is arranged on a pipeline of the sand discharge pipe close to the sand bin, the flowmeter is arranged on the sand discharge pipe, and the pipe clamp valve group is arranged on a pipeline of the sand discharge pipe close to the stirring device; the sand discharge pipe is also communicated with a throttling device for limiting the flow of mortar in the sand discharge pipe, and the throttling device is arranged between the pipe clamp valve group and the stirring device.
The sand bin discharges sand into the stirring device through the sand discharge pipe; the sand discharge valve is used for controlling the sand discharge of the sand silo, the flowmeter is used for calculating the flow of the mortar discharged from the square sand silo, so that the mortar can accurately flow into the stirring device, the pipe clamp valve group is used for adjusting the circulation speed of the mortar, so that the mortar entering the stirring device can be uniformly stirred, and the sand discharge valve, the flowmeter and the pipe clamp valve group are arranged on the sand discharge pipe, so that the control of the flow and the speed of the mortar is realized, and the operation is convenient; the throttling device is arranged on the sand discharge pipe between the pipe clamp valve group and the stirring device, throttling is the phenomenon that pressure of fluid flowing in a pipeline is reduced after the fluid passes through a valve, a slit, an orifice and the like with the section of a channel suddenly reduced, and after the throttling device is arranged (the pipeline is hereinafter referred to as a first pipeline), compared with the situation that the throttling device is not arranged (the pipeline is hereinafter referred to as a second pipeline), the mortar pressure difference between the front end and the rear end of the pipe clamp valve group is smaller, the flow speed of mortar passing through a rubber pipe in the pipe clamp valve group is reduced, so that the abrasion of the mortar in the first pipeline on the rubber pipe in the pipe clamp valve group is smaller than that of the mortar in the second pipeline in a certain period of time under the condition that the mortar pressure is not changed greatly, the abrasion is smaller, the service life is longer, and the processing cost is lower.
In the mine filling process, in order to ensure that the flow of the mortar in a certain period of time reaches the preset flow, the opening degree of a rubber pipe in a pipe clamp valve group in a first pipeline (provided with a throttling device) provided with the throttling device can be increased, so that the flow of the mortar passing through the pipe clamp valve group is increased, and the pressure difference of the mortar in the pipe clamp valve group is smaller, compared with a second pipeline (not provided with the throttling device), the mortar is ensured to be supplied to a stirring device in the same time and the flow speed of the mortar passing through the rubber pipe in the pipe clamp valve group is smaller, so that the service life of the rubber pipe in the pipe clamp valve group in the first pipeline (provided with the throttling device) can be longer, the replacement cost is reduced, the continuity of the filling process is ensured, and the mortar transportation cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the joint of the throttle plate according to the present invention;
FIG. 3 is a side cross-sectional view of a throttle plate according to the present invention;
FIG. 4 is a top view of the throttle plate of the present invention.
Icon: 1-a sand silo, 2-a sand discharge pipe, 21-a first pipe, 22-a first flange, 23-a second pipe, 24-a second flange, 25-a first sealing gasket, 26-a second sealing gasket, 3-a stirring device, 4-a sand discharge valve, 5-a flow meter, 6-a pipe clamp valve group, 61-an electric pipe clamp valve, 62-a manual pipe clamp valve, 7-a throttling steel plate and 8-a throttling hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are usually placed in when used, the orientations or positional relationships are only used for convenience of describing the present invention and simplifying the description, but the terms do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operate, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" represents at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a sand discharge system for a mine filling station, which includes a sand silo 1, a sand discharge pipe 2 and a stirring device 3, wherein one end of the sand discharge pipe 2 is communicated with the sand silo 1, and the other end is communicated with the stirring device 3; the sand discharge pipe 2 is communicated with a sand discharge valve 4, a flowmeter 5 and a pipe clamp valve group 6, the sand discharge valve 4 is arranged on a pipeline of the sand discharge pipe 2 close to the sand bin 1, the flowmeter 5 is arranged on the sand discharge pipe 2, and the pipe clamp valve group 6 is arranged on a pipeline of the sand discharge pipe 2 close to the stirring device 3; the sand discharge pipe 2 is also communicated with a throttling device for limiting the flow of the mortar in the sand discharge pipe 2, and the throttling device is arranged between the pipe clamp valve group 6 and the stirring device 3.
The sand silo 1 discharges sand into the stirring device 3 through the sand discharge pipe 2; the sand discharging valve 4 is used for controlling the sand discharging of the sand silo 1, the flow meter 5 is used for calculating the flow of the mortar discharged from the square sand silo 1, so that the mortar can accurately flow into the stirring device 3, the pipe clamp valve group 6 is used for adjusting the circulation speed of the mortar, so that the mortar entering the stirring device 3 can be uniformly stirred, and the sand discharging pipe 2 is provided with the sand discharging valve 4, the flow meter 5 and the pipe clamp valve group 6, so that the control of the flow and the speed of the mortar is realized, and the operation is convenient; the throttling device is arranged on the sand discharge pipe 2 between the pipe clamp valve group 6 and the stirring device 3, throttling is the phenomenon that pressure of fluid flowing in a pipeline is reduced after passing through a valve, a slit, an orifice and the like with the cross section of a channel suddenly reduced, after the throttling device is arranged (a pipeline is hereinafter referred to as a first pipeline), compared with the situation that the throttling device is not arranged (a pipeline is hereinafter referred to as a second pipeline), the mortar pressure difference between the front end and the rear end of the pipe clamp valve group 6 is smaller, the flow speed of mortar passing through a rubber pipe in the pipe clamp valve group 6 can be reduced, and therefore under the condition that the mortar pressure is not greatly changed, the abrasion of the mortar in the first pipeline on the rubber pipe in the pipe clamp valve group 6 is smaller compared with that of the second pipeline in a certain time, the abrasion is smaller, the service life is longer, and the processing cost is lower.
In this embodiment, and in the mine filling process, in order to ensure that the flow of the mortar in a certain period of time reaches the predetermined flow, the opening of the rubber pipe in the pipe clamp valve group 6 in the first pipeline (provided with the throttling device) provided with the throttling device can be enlarged, thereby increasing the flow of the mortar passing through the pipe clamp valve group 6, and because the pressure difference of the mortar in the pipe clamp valve group 6 is smaller, compared with the second pipeline (not provided with the throttling device), the mortar is ensured to be supplied to the stirring device 3 in the same time, and the flow velocity of the mortar passing through the rubber pipe in the pipe clamp valve group 6 is smaller, so the service life of the rubber pipe in the pipe clamp valve group 6 in the first pipeline (provided with the throttling device) can be longer, the replacement cost is reduced, the continuity of the filling process is ensured, and the mortar transportation cost is reduced.
Example 2
As shown in fig. 1 to 4, in this embodiment, in addition to embodiment 1, the throttle device includes a throttle plate 7, an orifice 8 is provided in the throttle plate 7, the orifice 8 communicates with the sand discharge pipe 2, and the orifice 8 has a smaller diameter than the inner diameter of the sand discharge pipe 2.
In the embodiment, the throttle plate 7 is provided with the throttle hole 8, and the throttle plate 7 is arranged on the sand discharging pipe 2 so as to throttle the sand discharging pipe 2; in the flowing process of mortar, a part of mortar can collide with the throttling steel plate 7, thereby generating a part of resistance to the fluid, increasing the pressure at the front end of the throttling steel plate 7, reducing the pressure difference of the mortar around the pipe clamp valve group 6, reducing the flow velocity of the mortar in the rubber pipe, prolonging the service life of the rubber pipe in the pipe clamp valve group 6, and the throttling steel plate 7 is simple in structure, practical, and the strength and the hardness of the throttling steel plate 7 are better, compared with the common throttling valve, the compression-resistant anti-wear effect is better, the service life is long, and the cost is low.
In some embodiments of the present invention, the sand discharging pipe 2 includes a first pipe 21 and a second pipe 23, the sand discharging valve 4, the flow meter 5 and the pipe clamp valve group 6 are disposed on the first pipe 21, one end of the first pipe 21 is communicated with the sand silo 1, and the other end of the first pipe 21 is provided with a first flange 22; a second flange 24 is provided at one end of the second pipe 23, and the other end of the second pipe 23 is communicated with the stirring device 3; the throttle plate 7 is hermetically provided between the first flange 22 and the second flange 24, and the first flange 22 and the second flange 24 are detachably connected.
In the above embodiment, the throttle steel plate 7 is fixed by the first flange 22 and the second flange 24, the throttle steel plate 7 is clamped between the first flange 22 and the second flange 24, and the first flange 22 and the second flange 24 are connected together by a plurality of bolts and nuts, so that the throttle steel plate 7 is tightly clamped between the first flange 22 and the second flange 24, and the installation and the replacement are convenient.
Specifically, the throttling steel plate 7, the first flange 22 and the second flange 24 are coaxially mounted, so that the stress stability of the throttling steel plate 7 is ensured, and the service life is longer.
In some embodiments of the present embodiment, a first gasket 25 is provided between the first flange 22 and the throttle plate 7, and a second gasket 26 is provided between the second flange 24 and the throttle plate 7.
In the above embodiment, the first sealing gasket 25 is arranged between the first flange 22 and the throttle steel plate 7, the second sealing gasket 26 is arranged between the second flange 24 and the throttle steel plate 7, and the first sealing gasket 25 and the second sealing gasket 26 are arranged, so that the sealing performance between the first flange 22 and the throttle steel plate 7 is better, the sealing performance between the second flange 24 and the throttle steel plate 7 is better, and the first sealing gasket 25 and the second sealing gasket 26 are arranged to alleviate vibration to a certain extent, thereby prolonging the service life of the throttle steel plate 7.
Specifically, the first sealing gasket 25 and the second sealing gasket 26 are existing annular sealing gaskets applied to pipeline connection, and are low in cost and good in using effect.
In some embodiments of the present invention, the first flange 22, the throttle plate 7 and the second flange 24 are detachably connected.
In the above embodiment, the first flange 22, the throttle steel plate 7 and the second flange 24 are detachably connected, that is, the first flange 22, the throttle steel plate 7 and the second flange 24 are connected together by a plurality of bolts and nuts, that is, a plurality of through holes are also formed in the edge of the throttle steel plate 7, the plurality of bolts pass through the first flange 22, the throttle steel plate 7 is connected with the second flange 24, the throttle steel plate 7 is further fixed, the position change caused by the pressure of mortar is avoided, the flow of the mortar is influenced, and the continuity of the filling process is ensured.
In some embodiments of the present embodiment, the throttle plate 7 is made of manganese steel.
In the embodiment, the manganese steel is a high-strength steel material and is mainly used for bearing severe working conditions such as impact, extrusion, material abrasion and the like, and the damage mode is mainly abrasion consumption; the throttle steel plate 7 made of manganese steel has better wear-resistant effect and longer service life in the process of transporting mortar.
In some embodiments of the present invention, the inner diameter of the sand discharging pipe 2 is 200mm, and the length of the pipe between the throttling device and the pipe clamp valve set 6 is 300 mm.
In the above embodiment, namely, the inner diameter of the sand discharging pipe 2 is 200mm, the distance between the throttle plate 7 and the pipe clamp valve group 6 is 300mm, the inner diameter of the throttle plate 7 is 55mm, the thickness is 20mm, and the service life of the rubber pipe in the pipe clamp valve group 6 can be effectively prolonged.
Specifically, the inner diameter of the sand discharge pipe 2 can be other sizes, specifically, the outer diameter of the throttle plate 7 is selected to be a proper size according to the caliber of the sand discharge pipe 2 and the model of the installation flange, and the size of the opening of the throttle hole 8 is calculated to be a proper size according to the process design flow and the front-back differential pressure of the pipe clamp valve group 6.
In some embodiments of the present invention, the pipe clamp valve set 6 includes an electric pipe clamp valve 61, and the electric pipe clamp valve 61 is disposed on the sand discharge pipe 2.
In the above embodiment, the electric pipe clamp valve 61 is electrically connected to an external control device, so that the automation of the electric pipe clamp valve 61 is realized, the manual operation is not needed, the operation is convenient, and the service life of the rubber pipe in the electric pipe clamp valve 61 can be effectively prolonged by arranging the throttle steel plate 7.
In some embodiments of the present embodiment, the pipe clamp valve set 6 further includes a manual pipe clamp valve 62, and the manual pipe clamp valve 62 is disposed on the sand discharge pipe 2.
In the above embodiment, the flow rate of the mortar in the sand discharge pipe 2 is controlled by the cooperation of the electric pipe clamp valve 61 and the manual pipe clamp valve 62, so that the problem that the flow rate of the mortar in the sand discharge pipe 2 cannot be adjusted due to the damage of the electric pipe clamp valve 61 is avoided, and the use is more convenient.
In some embodiments of the present embodiment, the sand valve 4 is a cast stone ball valve.
In the embodiment, the cast stone ball valve is wear-resistant, is widely applied to the sand discharge pipe 2, has long service life, good control effect and mature technology, and is a commercially available product.
In summary, the embodiment of the invention provides a sand discharge system for a mine filling station, which comprises a sand silo 1, a sand discharge pipe 2 and a stirring device 3, wherein one end of the sand discharge pipe 2 is communicated with the sand silo 1, and the other end of the sand discharge pipe is communicated with the stirring device 3; the sand discharge pipe 2 is communicated with a sand discharge valve 4, a flowmeter 5 and a pipe clamp valve group 6, the sand discharge valve 4 is arranged on a pipeline of the sand discharge pipe 2 close to the sand bin 1, the flowmeter 5 is arranged on the sand discharge pipe 2, and the pipe clamp valve group 6 is arranged on a pipeline of the sand discharge pipe 2 close to the stirring device 3; the sand discharge pipe 2 is also communicated with a throttling device for limiting the flow of the mortar in the sand discharge pipe 2, and the throttling device is arranged between the pipe clamp valve group 6 and the stirring device 3.
The sand silo 1 discharges sand into the stirring device 3 through the sand discharge pipe 2; the sand discharge valve 4 is used for controlling the sand discharge of the sand silo 1, the flowmeter 5 is used for calculating the flow of mortar discharged from the square sand silo 1, so that the mortar amount flowing into the stirring device 3 is accurate, the pipe clamp valve group 6 is used for adjusting the circulation speed of the mortar, so that the mortar entering the stirring device 3 can be uniformly stirred, and the sand discharge valve 4, the flowmeter 5 and the pipe clamp valve group 6 are arranged on the sand discharge pipe 2, so that the flow and the speed of the mortar are controlled, and the operation is convenient; the throttling device is arranged on the sand discharge pipe 2 between the pipe clamp valve group 6 and the stirring device 3, throttling is the phenomenon that pressure of fluid flowing in a pipeline is reduced after passing through a valve, a slit, an orifice and the like with the cross section of a channel suddenly reduced, after the throttling device is arranged (a pipeline is hereinafter referred to as a first pipeline), compared with the situation that the throttling device is not arranged (a pipeline is hereinafter referred to as a second pipeline), the mortar pressure difference between the front end and the rear end of the pipe clamp valve group 6 is smaller, the flow speed of mortar passing through a rubber pipe in the pipe clamp valve group 6 can be reduced, and therefore under the condition that the mortar pressure is not greatly changed, the abrasion of the mortar in the first pipeline on the rubber pipe in the pipe clamp valve group 6 is smaller compared with that of the second pipeline in a certain time, the abrasion is smaller, the service life is longer, and the processing cost is lower.
And in the mine filling process, in order to ensure that the flow of the mortar in a certain period of time reaches the preset flow, the opening of the rubber tube in the pipe clamp valve group 6 in the first pipeline (provided with the throttling device) provided with the throttling device can be enlarged, thereby the flow of the mortar passing through the pipe clamp valve group 6 is increased, and the pressure difference of the mortar in the pipe clamp valve group 6 is smaller, so compared with the second pipeline (not provided with the throttling device), in the same time, the mortar is ensured to be supplied to the stirring device 3 in the same time, and the flow speed of the mortar passing through the rubber tube in the pipe clamp valve group 6 is smaller, so the service life of the rubber tube in the pipe clamp valve group 6 in the first pipeline (provided with the throttling device) can be longer, the replacement cost is reduced, the continuity of the filling process is ensured, and the mortar transportation cost is reduced.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a mine is sand discharging system for filling station which characterized in that: the sand discharging device comprises a sand bin, a sand discharging pipe and a stirring device, wherein one end of the sand discharging pipe is communicated with the sand bin, and the other end of the sand discharging pipe is communicated with the stirring device;
the sand discharge pipe is communicated with a sand discharge valve, a flowmeter and a pipe clamp valve group, the sand discharge valve is arranged on a pipeline of the sand discharge pipe close to the sand bin, the flowmeter is arranged on the sand discharge pipe, and the pipe clamp valve group is arranged on a pipeline of the sand discharge pipe close to the stirring device;
the sand discharge pipe is also communicated with a throttling device for limiting the flow of mortar in the sand discharge pipe, and the throttling device is arranged between the pipe clamp valve group and the stirring device.
2. The mine filling station sand discharge system according to claim 1, wherein: the throttling device comprises a throttling steel plate, a throttling hole is formed in the throttling steel plate and communicated with the sand discharging pipe, and the aperture of the throttling hole is smaller than the inner diameter of the sand discharging pipe.
3. The mine filling station sand discharge system according to claim 2, wherein: the sand discharge pipe comprises a first pipe and a second pipe, the sand discharge valve, the flowmeter and the pipe clamp valve are assembled on the first pipe, one end of the first pipe is communicated with the sand bin, and the other end of the first pipe is provided with a first flange; one end of the second pipe is provided with a second flange, and the other end of the second pipe is communicated with the stirring device;
the throttling steel plate is arranged between the first flange and the second flange in a sealing mode, and the first flange is detachably connected with the second flange.
4. The mine filling station sand discharge system according to claim 3, wherein: and a first sealing gasket is arranged between the first flange and the throttling steel plate, and a second sealing gasket is arranged between the second flange and the throttling steel plate.
5. The mine filling station sand discharge system according to claim 3, wherein: the first flange, the throttle steel plate and the second flange are detachably connected.
6. The mine filling station sand discharge system according to claim 2, wherein: the throttle steel plate is made of manganese steel.
7. The mine filling station sand discharge system according to claim 1, wherein: the inner diameter of the sand discharging pipe is 200mm, and the length of a pipeline between the throttling device and the pipe clamp valve group is 300 mm.
8. The sand discharge system for the mine filling station according to claim 1, wherein: the pipe clamp valve group comprises an electric pipe clamp valve, and the electric pipe clamp valve is arranged on the sand discharge pipe.
9. The mine filling station sand discharge system according to claim 7, wherein: the pipe clamp valve group comprises a manual pipe clamp valve, and the manual pipe clamp valve is arranged on the sand discharge pipe.
10. The mine filling station sand discharge system according to claim 1, wherein: the sand discharge valve is a cast stone ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210509559.1A CN114837738A (en) | 2022-05-11 | 2022-05-11 | Sand discharging system for mine filling station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210509559.1A CN114837738A (en) | 2022-05-11 | 2022-05-11 | Sand discharging system for mine filling station |
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