Mining system for mining hard salt mine in water

Abstract

The utility model discloses a mining system for mining a hard salt mine in water, and mainly relates to the technical field of salt lake salt mining. Comprising a belt conveyor arranged in a salt lake and an amphibious salt mining ship which works on one side of the belt conveyor in the length direction of the belt conveyor, a walking mechanism is arranged at the bottom of the belt conveyor, and the walking direction of the walking mechanism is perpendicular to the length direction of the belt conveyor. The sum of the length value of the belt conveyor and the length value of the amphibious salt mining ship is larger than the width of the salt lake, the salt mine collected by the amphibious salt mining ship is conveyed to the belt conveyor through a conveying mechanism on the amphibious salt mining ship, and the belt conveyor conveys the salt mine to the shoreside; the salt mine collected by the amphibious salt mining ship is conveyed to the shore through the belt conveyor, the salt mine can be continuously conveyed, the construction efficiency is high, and labor can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to salt lake salt mining technical field, concretely is a kind of exploitation system of mining hard salt mine in water. BACKGROUND

[0002] At present, amphibious salt mining ship has been widely used in salt lake salt mining, the salt layer on the bottom of lake is broken by the cutter head on amphibious salt mining ship, then the broken salt block or salt water mixture is transported to the shore, the existing transport method mainly has two kinds, one is pumping method, such as the utility model patent with publication number CN209479337U, uses salt mining pump to extract salt water mixture, uses conveying pipeline to transport the extracted salt water mixture to the shore, but for hard salt mine (such as sodium salt mine) with Mohs hardness above 2.5, since its hardness is higher, a lot of block material is obtained after breaking salt layer, and salt block is easy to block conveying pipeline after crystallization, there is the problem of low collection efficiency;Another is the way of shipping, solid salt mine is transported to the shore by transport barge, such as the invention patent with publication number CN108373160A, but the water depth of many salt ponds is less than 1 meter, transport barge is easy to be stranded in shallow water, and the transport capacity of barge is limited, and the construction efficiency is also low, and more labor is used. SUMMARY

[0003] The utility model brings in the purpose to solve the prior art problem, provide a kind of exploitation system of mining hard salt mine in water, utilize belt conveyor to convey the salt mine collected by amphibious salt mining ship to the shore, can continuously convey salt mine, construction efficiency is high, can save labor.

[0004] The utility model for realizing above-mentioned purpose, by following technical scheme realization:

[0005] A kind of exploitation system of mining hard salt mine in water, including the belt conveyor being arranged in salt lake and the amphibious salt mining ship operating along the length direction of belt conveyor in the side of belt conveyor, the bottom of belt conveyor is equipped with traveling mechanism, and the traveling direction of traveling mechanism is perpendicular to the length direction of belt conveyor, the length value of belt conveyor and the length value of amphibious salt mining ship are greater than the width of salt lake, the salt mine collected by amphibious salt mining ship is conveyed to belt conveyor by conveying mechanism on amphibious salt mining ship, and belt conveyor conveys salt mine to the shore.

[0006] Preferably, the length of the belt conveyor is greater than the width of the salt lake, and the length direction of the belt conveyor is parallel to the width direction of the salt lake.

[0007] Preferably, the belt conveyor includes a plurality of belt conveyor units arranged in sequence and inclined, and the height of the inlet end of the belt conveyor unit is lower than the height of the outlet end of the belt conveyor unit.

[0008] Preferably, the walking mechanism comprises a plurality of floating track belts arranged at the lower side of the belt conveyor unit, and a connecting frame for connecting the belt conveyor and the floating track belts.

[0009] Preferably, the walking mechanism comprises a transverse moving support arranged at the middle of the lower side of the belt conveyor unit, the transverse moving support is provided with lifting mechanisms at the front and rear sides, the top end of the lifting mechanism is fixedly connected with the belt conveyor, the height of the transverse moving support is greater than the minimum height of the lifting mechanism and less than the maximum height of the lifting mechanism, and the top of the transverse moving support is provided with a plurality of oil cylinders for pushing the belt conveyor to move transversely.

[0010] Preferably, the amphibious salt mining ship is provided with a salt mining cutter head at the front end, the conveying mechanism comprises a first conveyor arranged at the rear end of the amphibious salt mining ship and a second conveyor for conveying the salt ore at the salt mining cutter head to the first conveyor, and the first conveyor comprises a middle horizontal conveying section, and the two ends of the middle horizontal conveying section are provided with side inclined conveying sections extending upward.

[0011] Preferably, the lengths of the two side inclined conveying sections are different, and the length difference of the two side inclined conveying sections is adapted to the length of the salt mining cutter head.

[0012] Preferably, the amphibious salt mining ship is provided with a translation mechanism for driving the first conveyor to move along the width direction of the amphibious salt mining ship.

[0013] Preferably, the salt mining cutter head comprises first cutter heads arranged at the left and right sides of the front end of the second conveyor and a second cutter head arranged in front of the second conveyor, and the length of the second cutter head is greater than the distance between the two first cutter heads.

[0014] Preferably, the two first cutter heads are spiral cutter heads, and the rotation directions of the two first cutter heads are opposite, and the second cutter head is symmetrically provided with a spiral cutter head structure.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model utilizes the belt conveyor to convey the salt ore collected by the amphibious salt mining ship to the shore, the belt conveyor is arranged in the salt lake and can move transversely in the salt lake, after the amphibious salt mining ship moves from one end of the belt conveyor to the other end of the belt conveyor at one side of the belt conveyor, the salt lake operation of one row is completed, then the amphibious salt mining ship turns around to prepare for the salt lake operation of the next row, then the belt conveyor moves transversely by one row, so that the conveying mechanism on the amphibious salt mining ship can convey the salt blocks collected by the amphibious salt mining ship to the belt conveyor, the belt conveyor can continuously convey the salt ore to the shore, the construction efficiency is high, and the labor can be saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the utility model;

[0018] Figure 2 is a structural schematic view of the walking mechanism;

[0019] Figure 3 is another structural schematic view of the walking mechanism;

[0020] Figure 4 is a structural schematic view of the amphibious salt mining ship;

[0021] Figure 5 is another structural schematic view of the amphibious salt mining ship;

[0022] Figure 6 is a structural schematic view of the conveying mechanism;

[0023] Figure 7 is a structural schematic view of the salt mining cutter head;

[0024] Figure 8 is a working schematic view of the utility model;

[0025] The labels shown in the drawings are: 1, belt conveyor; 11, containing groove; 2, amphibious salt mining ship; 21, mounting frame; 3, walking mechanism; 31, floating box type track; 32, connecting frame; 33, transverse moving support; 34, lifting mechanism; 35, oil cylinder; 36, guide rod; 37, guide sleeve; 4, salt mining cutter head; 41, first cutter head; 42, second cutter head; 43, cutter holder; 44, adjusting oil cylinder; 5, first conveyor; 51, middle horizontal conveying section; 52, side inclined conveying section; 53, rolling rod; 6, second conveyor; 61, lifting oil cylinder; 7, translation mechanism; 8, salt lake. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.

[0027] Embodiment: as shown in the accompanying drawings Figures 1-8 The utility model discloses a kind of exploitation systems of exploitation hard salt mine in water, including belt conveyor 1 being arranged in salt lake 8 and amphibious salt mining ship 2 in the length direction of belt conveyor 1 on the side of belt conveyor 1 operation.

[0028] The bottom of the belt conveyor 1 is provided with a walking mechanism 3, and the walking direction of the walking mechanism 3 is perpendicular to the length direction of the belt conveyor 1, the length value of the belt conveyor 1 is greater than the width of the salt lake, and one end or both ends of the belt conveyor 1 are located on the shore. The salt ore collected by the amphibious salt mining ship 2 is conveyed to the belt conveyor 1 through the conveying mechanism on the amphibious salt mining ship 2, and then the belt conveyor 1 conveys the salt ore to the shore.

[0029] The belt conveyor can be arranged along the length direction of the salt lake or along the length direction of the salt lake. However, since the length of the salt lake is greater than the width of the salt lake, in order to reduce the cost of the utility model, the belt conveyor 1 is preferably arranged along the width direction of the salt lake, and the length direction of the belt conveyor 1 is parallel to the width direction of the salt lake. Further, the length of the belt conveyor 1 is greater than the width of the salt lake, and the length direction of the belt conveyor 1 is parallel to the width direction of the salt lake, so that the two ends of the belt conveyor 1 are respectively located on the two banks of the salt lake.

[0030] Since the greater the width of the salt lake is, the longer the length of the belt conveyor 1 required is, and the longer the length of the belt conveyor 1 is, the higher the structural strength required is, and the higher the manufacturing cost is, therefore the belt conveyor 1 is arranged in a multi-section structure.

[0031] The belt conveyor 1 comprises a plurality of belt conveyor units arranged in sequence and inclined, the height of the feeding end of the belt conveyor unit is lower than the height of the discharging end of the belt conveyor unit, so that the feeding end of the N+1th belt conveyor unit is located on the lower side of the discharging end of the Nth belt conveyor unit, N is a natural number greater than 0, each belt conveyor unit is an independent unit, and a walking mechanism 3 is installed on each belt conveyor unit (for example, Figures 2-3 The belt conveyor 1 can adopt an existing belt conveyor structure. Since there are some small salt blocks and salt water mixtures in the collected salt ore, in order to reduce the loss of salt ore, a conveying belt with a plurality of accommodating grooves 11 can be selected, and the conveying belt is provided with upward extending baffles on the left and right sides and a plurality of partitions along the length direction of the conveying belt. The baffles and the partitions enclose a plurality of accommodating grooves 11 on the conveying belt.

[0032] The walking mechanism 3 has various structural forms, and a controller for controlling the movement of the walking mechanism 3 is arranged on the walking mechanism 3. The controller is provided with a communication module and can be remotely controlled. For convenience of description, the belt conveyor 1 adopts one belt conveyor unit to control the walking mechanism 3.

[0033] Figure 2The walking mechanism of amphibious chassis is provided in the application, the walking mechanism 3 comprises several floating box tracks 31 arranged at the lower side of the belt conveyor 1 and connecting frames 32 for connecting the belt conveyor 1 and the floating box tracks 31, the floating box track 2 is the prior art, mainly comprising a floating box and a track walking mechanism sleeved on the floating box, the power system of the track walking mechanism can be arranged in the floating box, two adjacent floating boxes are connected through connecting columns, the frame of the belt conveyor 1 and the floating box of the floating box track 31 are connected through the connecting frames 32, the connecting frames 32 and the frame of the belt conveyor 1 and the floating box of the floating box track 31 can be connected through welding or bolts.

[0034] Figure 3 The walking mechanism of amphibious chassis is provided in the application, the walking mechanism 3 comprises several floating box tracks 31 arranged at the lower side of the belt conveyor 1 and connecting frames 32 for connecting the belt conveyor 1 and the floating box tracks 31, the floating box track 2 is the prior art, mainly comprising a floating box and a track walking mechanism sleeved on the floating box, the power system of the track walking mechanism can be arranged in the floating box, two adjacent floating boxes are connected through connecting columns, the frame of the belt conveyor 1 and the floating box of the floating box track 31 are connected through the connecting frames 32, the connecting frames 32 and the frame of the belt conveyor 1 and the floating box of the floating box track 31 can be connected through welding or bolts.

[0035] The amphibious salt mining ship can adopt the existing amphibious salt mining ship matched with the transport barge. In order to better adapt to the transport mode of the application, the form of the conveying mechanism is improved in the embodiment. Specifically, the front end of the amphibious salt mining ship 2 is provided with a salt mining cutter head 4, the conveying mechanism comprises a first conveyor 5 arranged at the rear end of the amphibious salt mining ship 2 and a second conveyor 6 for conveying the salt mine at the salt mining cutter head 4 to the first conveyor 5, and the second conveyor 6 can adopt a scraper conveyor. The first conveyor 5 comprises a middle horizontal conveying section 51, and the two ends of the middle horizontal conveying section 51 are provided with side inclined conveying sections 52 extending upward. The middle horizontal conveying section 51 is used for receiving the salt mine conveyed by the second conveyor 6, and then conveying the salt mine to the belt conveyor 1 through one of the side inclined conveying sections 52. The first conveyor 5 can adopt the existing structure of the belt conveyor. The middle horizontal conveying section 51 and the two side inclined conveying sections 52 are an integral whole, and a conveying belt is adopted. The conveying belt is also selected to have a plurality of accommodating grooves. Rollers 53 are arranged at the junctions of the side inclined conveying sections 52 and the middle horizontal conveying section 51. The rollers 53 are rotationally connected to the frame of the first conveyor 5. The rollers 53 are located on the upper side of the conveying belt, so that the conveying belt maintains a V-shaped structure with the two ends extending upward. The arrangement of the two side inclined conveying sections 52 can change the conveying direction of the first conveyor 5 after the amphibious salt mining ship turns (turns around), so that the salt mine can still be conveyed to the belt conveyor 1.

[0036] Preferably, in order to reduce the moving frequency of the belt conveyor, the lengths of the two side inclined conveying sections 52 are different, and the length difference of the two side inclined conveying sections 52 is adapted to the length of the salt mining cutter head 4. The salt mining width of the amphibious salt mining ship 2 is the operation width of the salt mining cutter head 4 after the amphibious salt mining ship 2 operates along the length direction of the belt conveyor 1 once. When the amphibious salt mining ship 2 performs salt mining for the first time, the end of the shorter side inclined conveying section 52 is located above the belt conveyor 1, and the collected salt mine is conveyed to the belt conveyor 1. After the amphibious salt mining ship 2 completes salt mining once and turns (turns around) at the end of the belt conveyor 1, the distance between the amphibious salt mining ship 2 and the belt conveyor 1 changes, and the change value is the length value of the salt mining cutter head 4. The use of side inclined conveying sections 52 with different lengths can ensure that the position of the belt conveyor 1 is not changed during the two salt mining processes. Only the position of the belt conveyor 1 needs to be changed once every two salt mining processes, which can save equipment debugging time.

[0037] Due to the complexity of salt mining and the driving error of the amphibious salt mining ship, the first conveyor 5 and the belt conveyor 1 cannot be effectively connected, and the salt mine cannot be conveyed to the belt conveyor 1. In this regard, the first conveyor 5 is provided with a second conveying mechanism 7. Figure 4As shown, the amphibious salt mining ship 2 is provided with a translation mechanism 7 for driving the first conveyor 5 to move along the width direction of the amphibious salt mining ship 2. The translation mechanism 7 can adopt a double-rod oil cylinder, the cylinder body of which is fixed on the frame of the first conveyor 5. A sliding groove 71 is horizontally arranged on the frame of the middle horizontal conveying section 51 of the first conveyor 5. A sliding block 72 is fixed on the amphibious salt mining ship 2 and is adapted to the sliding groove 71. The sliding block 72 is inserted into the sliding groove 71. The length of the sliding block 72 is greater than the width of the first conveyor 5. Support columns extending downward are arranged at both ends of the sliding block 72. The bottom ends of the support columns are welded on the amphibious salt mining ship 2. The cylinder rods extending from both ends of the double-rod oil cylinder are connected with the sliding blocks 72 at the corresponding ends. By adjusting the extension length of the levers at both ends of the double-rod oil cylinder, the position of the first conveyor 5 can be adjusted leftward and rightward, so as to ensure the effective butt joint of the first conveyor 5 and the belt conveyor 1.

[0038] Figures 4-6 A common amphibious salt mining ship structure is given. The amphibious salt mining ship 2 includes two floating box type tracks and frames of the two floating box type tracks. The floating box type track is a prior art, mainly including a floating box and a track walking mechanism sleeved on the floating box. The power system of the track walking mechanism can be arranged in the floating box. The frame can adopt a plurality of mounting frames 21 arranged between the two floating boxes. The rear end of the bottom of the second conveyor 6 can be connected with one mounting frame 21 at the rear end through a lifting oil cylinder 61, so as to adjust the height of the rear end of the second conveyor 6. The height of the rear end of the second conveyor 6 can also not be adjusted. The rear end of the bottom of the frame of the second conveyor 6 is mounted on one mounting frame 21 at the rear end through a support. The bottom end of the support is fixed on the mounting frame 21. The top end of the support is hinged with the frame of the second conveyor 6.

[0039] The salt mining cutter head 4 is mounted on the floating box of the amphibious salt mining ship 2 through a cutter holder 43. The end of the cutter holder 43 away from the salt mining cutter head 4 is hinged with the floating box of the amphibious salt mining ship 2. An adjusting oil cylinder 44 is arranged on the top of the cutter holder 43. One end of the adjusting oil cylinder 44 is hinged with the cutter holder 43. The other end is hinged with a support on the floating box. The salt mining cutter head 4 includes first cutter heads 41 arranged on the left and right sides of the front end of the second conveyor 6 and a second cutter head 42 arranged in front of the second conveyor 6. The length of the second cutter head 42 is greater than the distance between the two first cutter heads 41. The second cutter head 42 adopts a three-section type cutter head. Each cutter head is driven by an independent hydraulic motor. The output torque of the cutter head is larger. The mining of hard salt mines is more powerful. The problem of cutter head stoppage does not occur. The engineering difficulty of the long-section type cutter head in mining hard salt mines is solved. At the same time, the operation surface between the second cutter head 42 and the two first cutter heads 41 is crossed. Full coverage mining can be achieved.

[0040] As Figure 7The front end and the rear end of the tool holder 43 are provided with three U-shaped structures, in the three U-shaped structures at the front end of the tool holder 43, the middle U-shaped structure is used for mounting the second cutter head 42, and the two side U-shaped structures are used for mounting the first cutter head 41; in the three U-shaped structures at the rear end of the tool holder 43, the front end of the second conveyor 6 is inserted into the middle U-shaped structure, and the front end of the float is inserted into the two side U-shaped structures.

[0041] The rear side of the first cutter head 41 and the second cutter head 42 is provided with an arc-shaped cover body, and the arc-shaped cover body is welded on the tool holder 42.

[0042] The two first cutter heads 41 adopt spiral cutter heads, and the rotation directions of the two first cutter heads 41 are opposite, the second cutter head 42 is symmetrically provided with a spiral cutter head structure, and the first cutter head 41 and the second cutter head 42 each comprise a support cylinder, spiral blades welded on the outer wall of the support cylinder and a plurality of pick-shaped cutting teeth welded on the spiral blades, and a hydraulic motor is arranged at the left end and the right end in the support cylinder, the shell of the hydraulic motor is fixed on the tool holder 43 through screws, and the output shaft of the hydraulic motor is fixedly connected with the support cylinder through a flange plate, one cutter head is provided with power by two hydraulic motors, and the output torque is larger.

[0043] The first cutter head 41 adopts a spiral structure, and the salt blocks mined by the first cutter head 41 are conveyed to the rear of the two first cutter heads 41 and then to the first conveyor 5 by the second conveyor 6; the second cutter head 42 is symmetrically provided with a spiral cutter head structure, and the salt blocks mined by the second cutter head 42 can be conveyed to the middle part of the second cutter head 42 and then to the first conveyor 5 by the second conveyor 6.

[0044] The utility model discloses a kind of amphibious salt mining ships, it is provided with first conveyor 5, second conveyor 6 and tool holder 43, first conveyor 5 is provided with two side inclined conveying sections 52, and the length of two side inclined conveying sections 52 is different. Figure 8 For a kind of operation mode of the utility model, belt conveyor 1 is arranged along the width direction of salt lake 8, amphibious salt mining ship 2 is moved from the rear end of belt conveyor 1 to the front end of belt conveyor 1, amphibious salt mining ship 2 turns around and transversely moves a row pitch, then is moved from the front end of belt conveyor 1 to the rear end of belt conveyor 1, if the length of two side inclined conveying sections 52 is same, then amphibious salt mining ship 2 transversely moves after a row pitch, belt conveyor 1 also transversely moves a row pitch from right to left, if the length of two side inclined conveying sections 52 is different and the difference is same with the length of salt mining cutter head 4, then amphibious salt mining ship 2 transversely moves twice, belt conveyor 1 transversely moves once, belt conveyor 1 transversely moves two row pitches once, until the salt mining of whole salt lake 8 is completed.

[0045] In addition, the first conveyor 5 of the utility model can also adopt ordinary conveying belt structure, the input end of the first conveyor 5 is low and the output end is high, and the input end is located at the downside of the output end of the second conveyor 6, the first conveyor 5 only extends from one side of amphibious salt mining ship 2 to belt conveyor 1, at this time, amphibious salt mining ship 2 needs to retreat to the starting shore again after completing the collection of a row pitch, and then cross-row mining is carried out.

Claims

1. A mining system for the in-situ mining of hard salt deposits, characterized in that: The application relates to a salt lake mining device, which comprises a belt conveyor (1) arranged in a salt lake and amphibious salt mining ships (2) working along the length direction of the belt conveyor (1) on one side of the belt conveyor (1), the bottom of the belt conveyor (1) is provided with a walking mechanism (3), the walking direction of the walking mechanism (3) is perpendicular to the length direction of the belt conveyor (1), the sum of the length of the belt conveyor (1) and the length of the amphibious salt mining ships (2) is greater than the width of the salt lake, the salt ore collected by the amphibious salt mining ships (2) is conveyed to the belt conveyor (1) through a conveying mechanism on the amphibious salt mining ships (2), and the belt conveyor (1) conveys the salt ore to the bank.

2. A mining system for the in-situ mining of hard salt deposits according to claim 1, characterized in that: The length of the belt conveyor (1) is greater than the width of the salt lake, and the length direction of the belt conveyor (1) is parallel to the width direction of the salt lake.

3. A mining system for the in-situ mining of hard salt deposits according to claim 1, characterized in that: The belt conveyor (1) comprises a plurality of belt conveyor units arranged in sequence and inclined, and the height of the feeding end of the belt conveyor unit is lower than the height of the discharging end of the belt conveyor unit.

4. A mining system for the in-situ mining of hard salt deposits according to claim 3, characterized in that: The walking mechanism (3) comprises a plurality of floating track belts (31) arranged on the lower side of the belt conveyor unit and a connecting frame (32) for connecting the belt conveyor (1) and the floating track belts (31).

5. A mining system for the in-situ mining of hard salt deposits according to claim 3, characterized in that: The walking mechanism (3) comprises a transverse support (33) arranged on the middle of the lower side of the belt conveyor unit, the front and rear sides of the transverse support (33) are provided with lifting mechanisms (34), the top end of the lifting mechanism (34) is fixedly connected with the belt conveyor (1), the height of the transverse support (33) is greater than the minimum height of the lifting mechanism (34) and smaller than the maximum height of the lifting mechanism (34), and the top of the transverse support (33) is provided with a plurality of oil cylinders (35) for pushing the belt conveyor (1) to move transversely.

6. A mining system for the in-situ mining of hard salt deposits according to claim 1, characterized in that: The front end of the amphibious salt mining ship (2) is provided with a salt mining cutter head (4), the conveying mechanism comprises a first conveyor (5) arranged at the rear end of the amphibious salt mining ship (2) and a second conveyor (6) for conveying the salt ore at the salt mining cutter head (4) to the first conveyor (5), and the first conveyor (5) comprises a middle horizontal conveying section (51), and the two ends of the middle horizontal conveying section (51) are provided with side inclined conveying sections (52) extending upward.

7. A mining system for the in-situ mining of hard salt deposits according to claim 6, characterized in that: The lengths of the two side inclined conveying sections (52) are different, and the length difference of the two side inclined conveying sections (52) is adapted to the length of the salt mining cutter head (4).

8. A mining system for the in-situ mining of hard salt deposits according to claim 6, characterized in that: The amphibious salt mining ship (2) is provided with a translation mechanism (7) for driving the first conveyor (5) to move along the width direction of the amphibious salt mining ship (2).

9. A mining system for the in-situ mining of hard salt deposits according to claim 6, characterized in that: The salt mining cutter head (4) comprises first cutter heads (41) arranged on the left and right sides of the front end of the second conveyor (6) and a second cutter head (42) arranged in front of the second conveyor (6), and the length of the second cutter head (42) is greater than the distance between the two first cutter heads (41).

10. A mining system for the in-situ mining of hard salt deposits according to claim 9, characterized in that: The two first cutter heads (41) are screw cutter heads, and the rotation directions of the two first cutter heads (41) are opposite, and screw cutter head structures are symmetrically arranged on the second cutter head (42).

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