Movable deicing device for removing blast hole icing and method for removing blast hole icing
阅读说明:本技术 去除炮孔结冰的可移动除冰装置及去除炮孔结冰的方法 (Movable deicing device for removing blast hole icing and method for removing blast hole icing ) 是由 高峰 熊信 邵焱 周科平 于 2019-10-21 设计创作,主要内容包括:本发明涉及采矿及岩土工程设备,公开了一种去除炮孔结冰的可移动除冰装置,包括可移动除冰装置本体,可移动除冰装置本体内设有微波加热系统和抽水系统,微波加热系统包括微波辐射棒、同轴波导、同轴转换器、矩形波导、磁控管和微波电源,同轴波导和微波辐射棒适于插入炮孔内,微波辐射棒能够辐射微波并促使炮孔内的冰融化成水;抽水系统包括水泵和连接于水泵进水端的水管,水管适于插入炮孔内,并将炮孔内的水抽出。此外,本发明还公开了一种去除炮孔结冰的方法。本发明的去除炮孔结冰的可移动除冰装置能够快速有效解决炮孔结冰问题,提高破岩效率,降低破岩成本。(The invention relates to mining and geotechnical engineering equipment, and discloses a movable deicing device for removing ice in a blast hole, which comprises a movable deicing device body, wherein a microwave heating system and a water pumping system are arranged in the movable deicing device body, the microwave heating system comprises a microwave radiation rod, a coaxial waveguide, a coaxial converter, a rectangular waveguide, a magnetron and a microwave power supply, the coaxial waveguide and the microwave radiation rod are suitable for being inserted into the blast hole, and the microwave radiation rod can radiate microwaves and promote the ice in the blast hole to be melted into water; the water pumping system comprises a water pump and a water pipe connected to the water inlet end of the water pump, and the water pipe is suitable for being inserted into the blast hole and pumping out water in the blast hole. In addition, the invention also discloses a method for removing blast hole icing. The movable deicing device for removing the blast hole icing can quickly and effectively solve the problem of the blast hole icing, improve the rock breaking efficiency and reduce the rock breaking cost.)
1. A movable deicing device for removing blast hole icing comprises a movable deicing device body (1) and is characterized in that a microwave heating system and a water pumping system are arranged in the movable deicing device body (1), the microwave heating system comprises a microwave radiation rod (3), a coaxial waveguide (2) connected with one end of the microwave radiation rod (3), a coaxial converter (4) arranged at one end, far away from the microwave radiation rod (3), of the coaxial waveguide (2), at least two rectangular waveguides (5), a magnetron (6) and a microwave power supply (10) used for supplying power, the at least two rectangular waveguides (5) are connected between one end, far away from the coaxial waveguide (2), of the coaxial converter (4) and the magnetron (6) in sequence, the coaxial waveguide (2) and the microwave radiation rod (3) are suitable for being inserted into a blast hole (13), the microwave radiation rod (3) can radiate microwaves to promote ice (14) in the blast hole (13) to be melted into water (12);
the water pumping system comprises a water pump (15) and a water pipe (16) connected to a water inlet end of the water pump (15), wherein the water pipe (16) is suitable for being inserted into the blast hole (13) to pump out water (12) in the blast hole (13).
2. Movable de-icing unit for removing ice from blastholes according to claim 1, characterized in that said microwave power supply (10) is connected to said magnetron (6).
3. A movable de-icing apparatus for blast hole icing removal according to claim 1, further comprising a microwave control system comprising a circulator water load (7), a power meter (8) and a three-pin (9) to be able to be used for controlling microwave power supply start-stop, microwave heating power, microwave time and microwave forward and reverse power monitoring.
4. A movable deicer in removing ice from a blast hole according to claim or 1, where the movable deicer body (1) comprises a plurality of rollers (102), a movable deicer box (101), a drive device and a brake device; the driving device is suitable for driving the movable deicer body (1) to advance or retreat; the braking device is adapted to regulate the deceleration or stopping of the movable deicer body (1).
5. A movable deicer for removing blast hole ice according to claim 4, wherein a water pump (15) is arranged below the inside of the movable deicer box (101), and the lower part of the movable deicer box (101) is provided with an opening suitable for a water pipe (16) or a water inlet of the water pump (15) to pass through.
6. A movable de-icing unit for removing ice from blast holes according to claim 1, characterised in that said coaxial waveguide (2) is a detachable coaxial waveguide.
7. A movable deicing device for removing ice from a blast hole according to claim 1, characterized in that said microwave radiation rod (3) is a uniform-all-around type microwave radiation rod, a protective sleeve (11) is provided on the outside of said microwave radiation rod (3), and the microwaves radiated by said microwave radiation rod (3) can penetrate said protective sleeve (11) to promote the ice (14) in said blast hole (13) to melt into water (12).
8. A movable deicing device for blast hole icing according to any one of claims 1 to 7, characterized in that the coaxial waveguide (2) is of a cylindrical structure and comprises a plurality of end-to-end outer conductors (201), an inner conductor (202) and a conductor support cylinder (203), a joint (204) is arranged on the outer peripheral surface of one end of each outer conductor (201), and the joint (204) is suitable for connecting two adjacent outer conductors (201) to change the length of the coaxial waveguide (2), so that blast holes (13) with different depths can be adapted.
9. A method for removing blast hole icing, comprising the steps of:
s01, checking whether the blast hole (13) is iced or not;
s02, selecting a coaxial waveguide (2) capable of being matched with the diameter of the blast hole (13) according to the diameter of the iced blast hole (13), enabling the coaxial waveguide (2) and the microwave radiation rod (3) to enter the blast hole (13), and enabling the microwave radiation rod (3) to contact ice (14);
s03, starting microwaves, selecting microwave power and time according to the thickness of the ice (14), the rock material of the hole wall of the blast hole (13) and other characteristics, and carrying out microwave heating treatment on the ice (14) in the blast hole (13);
s05, turning off the microwave, and withdrawing the coaxial waveguide (2) and the microwave radiation rod (3);
and S06, pumping out the water (12) in the blast hole (13).
Technical Field
The invention relates to mining and geotechnical engineering equipment, in particular to a movable deicing device for removing blast hole icing. In addition, the invention also relates to a method for removing the icing of the blast hole.
Background
In winter, the northern area and the severe cold high-altitude area in western China have low air temperature and large day and night temperature difference, the tunneling of tunnels and roadways and the bench blasting of strip mines often face the conditions that blast holes are frozen to block the blast holes, the deicing is difficult, the charging is difficult and does not accord with the design, the blasting effect and the construction progress are seriously influenced, the rock breaking cost is improved, and the performance is particularly obvious in the blasting of strip mines. The conventional drilling machine is adopted for secondary drilling and deicing, the process is complicated, the efficiency is low, and the cost is high. Therefore, the problem of deicing of the blast holes is solved, the treatment time of the blast holes can be effectively shortened, the blasting circulation progress is accelerated, and the blasting effect is improved.
The microwave heating technology is a new heating technology, and has the advantages of rapidness, no pollution, integrity, selectivity and the like. Before the big gun hole powder charge, freeze the big gun hole through microwave heating and make ice melt into water, solve the problem of wasting time and energy when adopting the rig deicing, can improve broken rock efficiency, reduce broken rock cost.
In view of this, it is desirable to provide a movable deicing device for removing icing in a blast hole, so as to solve the problem of icing in the blast hole, improve rock breaking efficiency, and reduce rock breaking cost.
Disclosure of Invention
The invention aims to solve the problem firstly of providing the movable deicing device for removing the icing of the blast hole, and the movable deicing device for removing the icing of the blast hole can conveniently and quickly solve the problem of the icing of the blast hole, save the time for treating the icing of the blast hole and improve the operation efficiency.
In addition, the invention also aims to solve the problem of providing a method for removing the icing of the blast hole, which can effectively solve the problem of the icing of the blast hole, improve the rock breaking efficiency and reduce the rock breaking cost.
In order to solve the technical problem, the invention provides a movable deicing device for removing ice from a blast hole, which comprises a movable deicing device body, wherein a microwave heating system and a water pumping system are arranged in the movable deicing device body, the microwave heating system comprises a microwave radiation rod, a coaxial waveguide connected with one end of the microwave radiation rod, a coaxial converter arranged at one end, far away from the microwave radiation rod, of the coaxial waveguide, at least two rectangular waveguides, a magnetron and a microwave power supply for supplying power, the at least two rectangular waveguides are connected between one end, far away from the coaxial waveguide, of the coaxial converter and the magnetron and are sequentially connected, the coaxial waveguide and the microwave radiation rod are suitable for being inserted into the blast hole, and the microwave radiation rod can radiate microwaves to promote the ice in the blast hole to be melted into water; the water pumping system comprises a water pump and a water pipe connected to the water inlet end of the water pump, and the water pipe is suitable for being inserted into the blast hole to pump out water in the blast hole.
As an embodiment of the present invention, the microwave power supply is electrically connected to the magnetron.
As another embodiment of the present invention, the movable deicing device for removing blast hole icing further comprises a microwave control system, wherein the microwave control system comprises a circulator water load, a power meter and a three-pin, so as to be capable of being used for controlling the start and stop of a microwave power supply, the microwave heating power, the microwave time and the monitoring of the forward power and the reverse power of the microwave.
As still another embodiment of the present invention, the movable deicer body includes a plurality of rollers, a movable deicer housing, a drive device and a brake device; the driving device is suitable for driving the movable deicer body to advance or retreat; the braking device is adapted to regulate deceleration or stopping of the movable deicer body.
More specifically, a water pump is arranged below the movable deicer box body, and an opening is formed in the lower portion of the movable deicer box body and is suitable for a water pipe or a water inlet of the water pump to penetrate through.
As a preferred structural form of the present invention, the coaxial waveguide is a detachable coaxial waveguide.
More preferably, the microwave radiation rod is a microwave radiation rod with uniform periphery, a protective sleeve is arranged outside the microwave radiation rod, and microwaves radiated by the microwave radiation rod can penetrate through the protective sleeve to promote ice in the blast hole to be melted into water.
As another preferred structural form of the present invention, the coaxial waveguide is a cylindrical structure, and includes a plurality of end-to-end outer conductors, inner conductors and conductor support cylinders, and a joint is provided on an outer circumferential surface of one end of each outer conductor, and the joint is adapted to connect two adjacent outer conductors to change the length of the coaxial waveguide, so as to be able to adapt to blastholes of different depths.
The invention also provides a method for removing blast hole icing, which comprises the following steps:
s01, checking whether the blast holes are frozen or not;
s02, selecting a coaxial waveguide which can be matched with the diameter of the blast hole according to the diameter of the iced blast hole, enabling the coaxial waveguide and the microwave radiation rod to enter the blast hole, and enabling the microwave radiation rod to contact ice;
s03, starting microwaves, selecting microwave power and time according to the thickness of ice, the rock material on the hole wall of the blast hole and other characteristics, and carrying out microwave heating treatment on the ice in the blast hole;
s05, turning off the microwave, and withdrawing the coaxial waveguide and the microwave radiation rod;
and S06, pumping out water in the blast holes.
As can be seen from the above description, the movable deicing device for removing ice from a blast hole of the invention comprises a movable deicing device body, wherein a microwave heating system and a water pumping system are arranged in the movable deicing device body, the microwave heating system comprises a microwave radiation rod, a coaxial waveguide connected with one end of the microwave radiation rod, a coaxial converter arranged at one end of the coaxial waveguide far away from the microwave radiation rod, at least two rectangular waveguides, a magnetron and a microwave power supply for supplying power, the at least two rectangular waveguides are connected between one end of the coaxial converter far away from the coaxial waveguide and the magnetron and are sequentially connected, the coaxial waveguide and the microwave radiation rod are suitable for being inserted into the blast hole, and the microwave radiation rod can radiate microwaves to melt ice in the blast hole into water; the water pumping system comprises a water pump and a water pipe connected to the water inlet end of the water pump, and the water pipe is suitable for being inserted into the blast hole to pump out water in the blast hole. The movable deicing device for removing the blast hole ice can effectively remove the ice in the blast hole, release the icing space of the blast hole, greatly reduce the secondary penetration rate of the blast hole, improve the blasting effect and the production efficiency, and has the advantages of simple operation and no pollution.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural view of a specific embodiment of a movable de-icing apparatus for removing ice from a blast hole according to the present invention in a de-icing state;
FIG. 2 is a schematic structural diagram of a movable deicing device for removing blast hole ice in a water pumping state according to an embodiment of the present invention;
FIG. 3 is an enlarged partial schematic view of A of FIG. 1;
FIG. 4 is a schematic flow chart of a method for removing blast hole icing according to the present invention.
Description of the reference numerals
1 Movable deicer
102
201
203
3
5
9 three-
11
13 blast hole and 14 ice
15
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that, in the following description, orientation words such as "bottom" and the like are used for clearly explaining the technical solution of the present invention, and the like are meant by analogy with the orientation that the movable deicing device normally refers to, for example, when the movable deicing device is operated, the
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the movable deicing device for removing ice from a blast hole of the present invention includes a movable
As can be seen from the figure, the movable
In the microwave heating system of the present invention, the
The
The
The
In a preferred embodiment of the present invention, the
As another preferred embodiment of the invention, the movable deicing device for removing blast hole icing further comprises a microwave control system, wherein the microwave control system comprises a
It should be explained here that the
As a further preferred embodiment of the present invention, said
As a preferred embodiment of the present invention, the
More preferably, a
The water pumping system comprises a
As a specific structure form of the present invention, the
More specifically, the
It should be noted here that the
As another specific structure form of the present invention, the
As shown in fig. 3, as a specific structural form of the present invention, the
Compared with the prior art, the movable deicing device for removing the icing in the blast hole has the following advantages:
(1) the movable deicing device for removing blast hole icing is suitable for mine and tunnel engineering with low air temperature and large day and night temperature difference, particularly bench blasting of strip mines, solves the problems of difficult charging of iced blast holes, influence on blasting effect and slow construction progress, and improves production efficiency.
(2) The movable deicing device for removing the blast hole icing can effectively remove the icing of the
(3) The movable deicing device for removing the blast hole icing has flexibility and convenience, and reduces the labor intensity of workers; the
The invention also provides a method for removing blast hole icing, which comprises the following steps:
and S01, checking whether the
And S02, selecting the
And S03, starting microwaves, selecting microwave power and time according to the thickness of the
And S05, turning off the microwave, and withdrawing the
And S06, pumping out the
As can be seen from the above description, the movable deicing device for removing ice from a blast hole of the invention comprises a movable deicing device body 1, a microwave heating system and a water pumping system are arranged in the movable deicing device body 1, the microwave heating system comprises a microwave radiation rod 3, a coaxial waveguide 2 connected with one end of the microwave radiation rod 3, a coaxial converter 4 arranged at one end, far away from the microwave radiation rod 3, of the coaxial waveguide 2, at least two rectangular waveguides 5, a magnetron 6 and a microwave power supply 10 for supplying power, the at least two rectangular waveguides 5 are connected between one end, far away from the coaxial waveguide 2, of the coaxial converter 4 and the magnetron 6 and are sequentially connected, the coaxial waveguide 2 and the microwave radiation rod 3 are suitable for being inserted into the blast hole 13, and the microwave radiation rod 3 can radiate microwaves to melt ice 14 in the blast hole 13 into water 12; and the water pumping system comprises a water pump 15 and a water pipe 16 connected to the water inlet end of the water pump 15, wherein the water pipe 16 is suitable for being inserted into the blast hole 13 so as to pump out the water 12 in the blast hole 13. The movable deicing device for removing blast hole icing can effectively remove ice in the
The software involved in the invention adopts the prior art.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.