Calcining furnace protection mechanism for ammonia-free tungsten smelting

Abstract

The utility model relates to the technical field of calcining equipment, and provides a calcining furnace protection mechanism for ammonia-free tungsten smelting, which comprises a base and a calcining furnace mounted on the base, and is characterized in that a rack is fixedly connected onto the base and is positioned on the outer side of the calcining furnace, and a guide plate is arranged on the right side of the rack and is used for assisting blanking; a plurality of isolation rods are movably connected to the front side and the rear side of the rack, a plurality of traction ropes are fixedly connected between every two adjacent isolation rods, a plurality of traction ropes are fixedly connected between the isolation rod on the leftmost side and the rack, and a first driving mechanism is arranged on the right side of the rack and used for driving the flow guide plate to be opened and closed. A second driving mechanism is arranged on the upper side of the rack and used for driving the isolation rods to move left and right. A net-shaped structure formed by the isolation rods and the traction ropes is arranged around the calcining furnace, and the flow guide plate is arranged at the discharging opening, so that a clear safe operation area is provided for operators, the operators can be continuously and effectively protected, and industrial accidents caused by negligence or accidents are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to calcining equipment technical field, concretely relates to a calcining furnace protection mechanism for tungsten smelting without ammonia. BACKGROUND

[0002] Tungsten plays an irreplaceable role in many fields such as electronics and chemical industry due to its excellent hardness, wear resistance and high temperature stability. However, the smelting process of tungsten is often accompanied by environmental pollution and health risks, especially in the traditional ammonia smelting process. In the current background of increasing global environmental awareness, tungsten smelting technology without ammonia becomes particularly important due to its environmental friendliness.

[0003] The company has developed a tungsten smelting technology without ammonia. The technical route is to obtain a crude tungsten acid solution by pickling, acidolysis and complexing leaching of scheelite with a complexing agent, and then obtain a pure tungsten acid solution by extracting molybdenum from the crude tungsten acid solution. The pure tungsten acid solution is obtained by precipitation, filtration, centrifugal drying and drying calcination. Calcining furnace plays a crucial role in the process of tungsten smelting. However, during the operation of the calcining furnace, the furnace body rotates continuously and the surrounding temperature is high, which not only puts strict requirements on the structure and material of the furnace body itself, but also poses a potential threat to the safety of the operators. Due to the high temperature and rotation characteristics of the furnace body, there is a risk of accidental contact with the furnace body during operation, which may cause serious personal injury or even fatal accidents. In addition, when the calcining furnace is discharged, the existing discharge port and the material bucket have a large gap, and the material may fall outside the material bucket during the process of falling from the discharge port into the material bucket, which increases the cleaning work, causes waste of resources, and even may injure the operator.

[0004] Therefore, in order to protect the safety of the operators and reduce the possibility of accidents, it is particularly urgent and necessary to design a calcining furnace protection mechanism that can effectively protect the operators and prevent accidental contact. CONTENT OF THE UTILITY MODEL

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a calcining furnace protection mechanism for tungsten smelting without ammonia, which comprises:

[0006] A base is provided, and a calcining furnace is installed on the base. A rack is fixedly connected to the base, and the rack is located on the outer side of the calcining furnace. A guide plate is arranged on the right side of the rack to assist in discharging. A plurality of isolation rods are movably connected to the front and rear sides of the rack. A plurality of traction ropes are fixedly connected between adjacent two isolation rods. A plurality of traction ropes are fixedly connected between the leftmost isolation rod and the rack. A driving mechanism one is arranged on the right side of the rack to drive the opening and closing of the guide plate. A driving mechanism two is arranged on the upper side of the rack to drive the left and right movement of the isolation rods.

[0007] Further, the guide plate comprises two straight plates and a bent plate fixedly connected between the two straight plates.

[0008] Further, the cross section of the bent plate is arc-shaped.

[0009] Further, the driving mechanism one comprises a motor one and a rotating rod, the motor one is fixedly connected at the right rear part of the frame, and the output shaft of the motor one is fixedly connected with the rotating rod, and the middle part of the rotating rod is fixedly connected with the left bottom of the flow guide plate.

[0010] Further, the driving mechanism two comprises a motor two, a screw rod, a sliding block and a pull rod, the motor two is fixedly connected at the left upper part of the frame, the output shaft of the motor two is fixedly connected with the screw rod, the left and right sides of the screw rod are rotationally connected with the left and right upper parts of the frame respectively, the sliding block is sleeved on the screw rod, and the bottom of the sliding block is fixedly connected with the pull rod, and the front and rear ends of the pull rod are fixedly connected with the upper ends of the rightmost isolation rods on the front and rear sides respectively.

[0011] Further, the left and right sides of the frame are provided with through holes in the left and right directions, a plurality of guide rods are fixedly connected between the through holes of the left and right sides, the isolation rods are provided with holes corresponding to the through holes, and the isolation rods are sleeved on the guide rods.

[0012] Further, the left and right sides of the frame are provided with through holes in the left and right directions, a plurality of guide rods are fixedly connected between the through holes of the left and right sides, the isolation rods are provided with holes corresponding to the through holes, and the isolation rods are sleeved on the guide rods.

[0013] Further, the bottom of the isolation rod is rotationally connected with a roller, and the roller is in contact with the base.

[0014] Further, the traction rope is made of high-temperature-resistant and flame-retardant material.

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

[0016] 1. The safety protection effect is enhanced. The utility model sets up the net-like structure formed by the isolation rods and the traction ropes around the calcining furnace, which significantly improves the safety protection level of the operator. This design not only physically prevents the operator from directly contacting the high-temperature rotating furnace body, thereby reducing the risk of burns and mechanical injuries caused by accidental touching, but also provides a clear safe operation area for the operator. During the operation of the calcining furnace, this isolation measure can continuously and effectively protect the operator and reduce the industrial injury accidents caused by negligence or accidents. By setting the flow guide plate, the material can be guided during feeding, and the material can be prevented from scattering outside the barrel, thereby reducing the cleaning work and avoiding resource waste, and the scattered material can be prevented from injuring the operator. When the operator needs to check the state of the equipment, the motor two drives the screw rod to rotate, drives the sliding block and the pull rod to move left, and drives the isolation rod to move left, so that the isolation rod is retracted to the left, and the operator can easily enter the area around the calcining furnace.

[0017] 2. The high efficiency of automation control. The utility model discloses through the cooperation of motor, rotating lever, screw rod and sliding block, realizes the automatic left and right opening and closing of the isolation rod and the automatic lifting of the deflector, greatly improves the convenience and efficiency of operation. This automatic design reduces the possibility of human operation error, improves the safety of overall operation. This design allows remote operation, so that the operator can control the protection mechanism of the calcining furnace outside the safe distance, further reducing the operation risk. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0019] Figure 1 It is a kind of whole structure schematic diagram of calcining furnace protection mechanism for ammonia-free tungsten smelting Figure 1 .

[0020] Figure 2 It is a kind of whole structure schematic diagram of calcining furnace protection mechanism for ammonia-free tungsten smelting Figure 2 .

[0021] Figure 3 It is a kind of partial structure schematic diagram of calcining furnace protection mechanism for ammonia-free tungsten smelting Figure 1 .

[0022] Figure 4 It is a kind of partial structure schematic diagram of calcining furnace protection mechanism for ammonia-free tungsten smelting Figure 2 .

[0023] Figure 5 It is a kind of schematic diagram when discharging calcining furnace protection mechanism for ammonia-free tungsten smelting.

[0024] Figure 6 It is a kind of right side schematic diagram when discharging calcining furnace protection mechanism for ammonia-free tungsten smelting.

[0025] The marks in the drawings are: 10, base; 20, rack; 30, drive mechanism one; 301, motor one; 302, rotating lever; 40, deflector; 401, straight plate; 402, bent plate; 50, drive mechanism two; 501, motor two; 502, screw rod; 503, sliding block; 504, pull rod; 60, isolation rod; 601, roller; 70, traction rope; 80, guide rod; 90, calcining furnace. DETAILED DESCRIPTION

[0026] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the technical scheme in the specific embodiment of the utility model is described clearly and completely below to further illustrate the utility model. Obviously, the described specific embodiment is only a part of the embodiment of the utility model, rather than all modes.

[0027] As shown in Figures 1-6 The calcining furnace protection mechanism for ammonia-free tungsten smelting includes a base 10, a calcining furnace 90 is installed on the base 10, a rack 20 is fixedly connected to the base 10, the rack 20 is located outside the calcining furnace 90, a guide plate 40 is arranged on the right side of the rack 20 and is used for assisting in discharging, a plurality of isolation rods 60 are movably connected to the front and rear sides of the rack 20, a plurality of traction ropes 70 are fixedly connected between adjacent two isolation rods 60, a plurality of traction ropes 70 are fixedly connected between the leftmost isolation rod 60 and the rack 20, a driving mechanism one 30 is arranged on the right side of the rack 20 and is used for driving the guide plate 40 to open and close, and a driving mechanism two 50 is arranged on the upper side of the rack 20 and is used for driving the isolation rods 60 to move left and right.

[0028] The guide plate 40 includes two straight plates 401 arranged in front and back, a bent plate 402 is fixedly connected between the two straight plates 401, and the cross section of the bent plate 402 is arc-shaped. When the calcining furnace 90 is discharging, the material can smoothly slide along the bent plate 402 to the material bucket.

[0029] The driving mechanism one 30 includes a motor one 301 and a rotating rod 302, the motor one 301 is fixedly connected to the right rear part of the rack 20, the output shaft of the motor one 301 is fixedly connected with the rotating rod 302, and the middle part of the rotating rod 302 is fixedly connected with the left bottom of the guide plate 40. When the calcining furnace 90 is not discharging, the motor one 301 drives the rotating rod 302 to rotate and thus drives the right side of the guide plate 40 to rotate to the lower side, when discharging is needed, the motor one 301 drives the rotating rod 302 to rotate and thus drives the right side of the guide plate 40 to lift upward, so as to reach the state that the left side is higher and the right side is lower, thereby facilitating discharging.

[0030] The driving mechanism two 50 includes a motor two 501, a lead screw 502, a sliding block 503 and a pull rod 504, the motor two 501 is fixedly connected to the left upper part of the rack 20, the output shaft of the motor two 501 is fixedly connected with the lead screw 502, the lead screw 502 is rotatably connected with the left and right upper parts of the rack 20, the sliding block 503 is sleeved on the lead screw 502, the bottom of the sliding block 503 is fixedly connected with the pull rod 504, and the front and rear ends of the pull rod 504 are fixedly connected with the upper ends of the rightmost isolation rods 60 on the front and rear sides. The motor two 501 drives the lead screw 502 to rotate, thereby driving the sliding block 503 and the pull rod 504 to move left and right, and thus driving the isolation rods 60 to move left and right.

[0031] The rack 20 is provided with through holes in left and right sides in left and right directions, two guide rods 80 are fixedly connected between the through holes in the left and right sides, the isolation rod 60 is provided with holes corresponding to the through holes, and the isolation rod 60 is sleeved on the guide rod 80. The bottom of the isolation rod 60 is also rotatably connected with a roller 601, and the roller 601 is in contact with the base 10. In this way, the isolation rod 60 moves left and right more smoothly.

[0032] Considering that the calcining furnace 90 operates in a high-temperature environment, the traction rope 70 is made of high-temperature-resistant and fire-retardant materials.

[0033] When the calcining furnace 90 needs to operate, the motor two 501 drives the screw rod 502 to rotate, drives the sliding block 503 and the pull rod 504 to move to the right, thereby driving the isolation rod 60 to move to the right, and the isolation rod 60 with a spacing is pulled apart to form a mesh structure with the traction rope 70, so as to achieve the effect of isolating the operator. When the calcining furnace 90 finishes operating, the motor two 501 drives the screw rod 502 to rotate, drives the sliding block 503 and the pull rod 504 to move to the left, thereby driving the isolation rod 60 to move to the left, and the isolation rod 60 is retracted to the left, so that the operator can check the state of the equipment, thereby providing guarantee for the next operation. When the calcining furnace 90 operates, the state of the deflector plate 40 is as shown in the figure, the right end is turned downward, when the calcining furnace 90 needs to discharge after operating, the motor one 301 drives the rotating rod 302 to rotate, drives the right end of the deflector plate 40 to lift, so as to reach the state of being high on the left and low on the right as shown in the figure. Figure 2 Figures 5-6 In this way, the material can be guided, and the material can be prevented from scattering outside the barrel when discharging. After discharging the material, the motor one 301 drives the rotating rod 302 to rotate, drives the right end of the deflector plate 40 to descend, and prevents the operator from being bumped.

[0034] The above describes the main technical features, basic principles and related advantages of the utility model, and for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary specific embodiments, and the utility model can be realized in other specific forms without departing from the concept or basic features of the utility model. Therefore, no matter from which point of view, the above specific embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0035] In addition, it should be understood that although the present specification is described according to each embodiment, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.​

Claims

1. An ammonia-free tungsten smelting calciner protection mechanism, comprising a base (10), a calciner (90) is installed on the base (10), characterized in that, The base (10) is fixedly connected with a rack (20), the rack (20) is located outside the calcining furnace (90), the right side of the rack (20) is provided with a guide plate (40) for assisting in discharging, the front and rear sides of the rack (20) are movably connected with a plurality of isolation rods (60), a plurality of traction ropes (70) are fixedly connected between adjacent two isolation rods (60), a plurality of traction ropes (70) are fixedly connected between the leftmost isolation rod (60) and the rack (20), the right side of the rack (20) is provided with a driving mechanism one (30) for driving the guide plate (40) to open and close, and the upper side of the rack (20) is provided with a driving mechanism two (50) for driving the isolation rods (60) to move left and right.

2. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The guide plate (40) comprises two straight plates (401) arranged in front and back, and a bent plate (402) fixedly connected between the two straight plates (401).

3. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 2, characterized in that, The bent plate (402) is in an arc shape in cross section.

4. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The driving mechanism one (30) comprises a motor one (301) and a rotating rod (302), the right rear part of the rack (20) is fixedly connected with the motor one (301), the output shaft of the motor one (301) is fixedly connected with the rotating rod (302), and the middle part of the rotating rod (302) is fixedly connected with the left bottom of the guide plate (40).

5. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The driving mechanism two (50) comprises a motor two (501), a lead screw (502), a sliding block (503) and a pull rod (504), the motor two (501) is fixedly connected to the left upper part of the rack (20), the output shaft of the motor two (501) is fixedly connected with the lead screw (502), the lead screw (502) is rotatably connected with the left and right upper parts of the rack (20), the sliding block (503) is sleeved on the lead screw (502), the bottom of the sliding block (503) is fixedly connected with the pull rod (504), and the front and rear ends of the pull rod (504) are fixedly connected with the upper ends of the rightmost isolation rods (60) on the front and rear sides.

6. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The left and right sides of the rack (20) are provided with through holes in the left and right directions, a plurality of guide rods (80) are fixedly connected between the through holes on the left and right sides, the isolation rods (60) are provided with holes corresponding to the through holes, and the isolation rods (60) are sleeved on the guide rods (80).

7. The protection mechanism for a calcining furnace for the smelting of tungsten without ammonia according to claim 6, characterized in that, The left and right sides are provided with two guide rods (80) in the up and down directions.

8. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The bottom of the isolation rod (60) is rotatably connected with a roller (601), and the roller (601) is in contact with the base (10).

9. The protection mechanism for a calcining furnace for ammonia-free tungsten smelting according to claim 1, characterized in that, The traction rope (70) is made of high-temperature-resistant and flame-retardant material.

Images