CN219003155U

CN219003155U - Crushing device for zirconium-based intermediate alloy

Info

Publication number: CN219003155U
Application number: CN202223130622.5U
Authority: CN
Inventors: 徐健榕; 陈园园
Original assignee: Jiangsu Yichu New Materials Co ltd; Nanjing Crystal New Materials Co ltd; NANJING YOUTIAN METAL TECHNOLOGY CO LTD
Current assignee: Jiangsu Yichu New Materials Co ltd; Nanjing Crystal New Materials Co ltd; NANJING YOUTIAN METAL TECHNOLOGY CO LTD
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-05-12
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a crushing device for zirconium-based intermediate alloy, which comprises a box body, wherein a feed inlet is formed in the top of the box body, a first-stage crushing part is arranged at the top in the box body, a second-stage crushing part is arranged below the first-stage crushing part, a material sealing part is arranged at the bottom in the box body and communicated with an outlet of the second-stage crushing part, a discharge port sealing door is arranged on the box body outside the material sealing part, a discharge port sealing strip is arranged between the discharge port sealing door and the side wall of the box body, and the first-stage crushing part, the second-stage crushing part and the material sealing part are controlled by a general control system; the technical scheme of the utility model can realize that the whole process from the zirconium-based intermediate alloy ingot to the sealed and packaged particles is in an anaerobic environment, realize the minimum oxidation degree of the alloy particles, facilitate long-term storage and taking of the alloy particles at any time, improve the yield of the zirconium-based intermediate alloy particles and reduce potential safety hazards.

Description

Crushing device for zirconium-based intermediate alloy

Technical Field

The utility model belongs to the field of zirconium-based alloy crushing, and particularly relates to a crushing device for a zirconium-based intermediate alloy.

Background

The zirconium-based master alloy is an alloy to be added, which is formed by adding other elements to zirconium as a base, and is usually used by vacuum melting into ingots and machining into small-sized particles. The surface of the zirconium-based intermediate alloy ingot is smooth and compact, and the particles have the characteristics of inflammability and easy oxidation. Because the surface of the alloy ingot is smooth and compact, the strength is high, and the initial crushing is difficult. Alloy particles are easy to oxidize and even spontaneously combust when broken, and potential safety hazard is high. Alloy particles are also easily oxidized when exposed in air, and influence on detection and use of the alloy.

Patent publication No. CN205199691U discloses a zirconium alloy crushing device with a vacuum system, which solves the problem of crushing and oxidizing zirconium alloy by vacuumizing and introducing inert gas; patent publication No. CN208742707U discloses a zirconium alloy crushing device with a vacuum gas collecting system, which uses multistage spiral cutters to crush, prevents zirconium alloy from oxidizing, and improves crushing precision. The device mainly solves the problem of oxidization, and aims at solving the problem that zirconium-based intermediate alloy ingots are difficult to crush and needs to be optimized.

The external box body is used for solving the problem that alloy particles are broken and easy to oxidize, the using amount of inert gas is large, and the problem that zirconium-based intermediate alloy ingots are difficult to break is not solved.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a crushing device for crushing a zirconium-based intermediate alloy ingot.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the crushing device for the zirconium-based intermediate alloy comprises a box body, wherein a feed inlet is formed in the top of the box body, a first-stage crushing part is arranged at the top of the box body, a second-stage crushing part is arranged below the first-stage crushing part, a material sealing part is arranged at the bottom of the box body, the material sealing part is communicated with an outlet of the second-stage crushing part, a discharge port sealing door is arranged on the box body outside the material sealing part, a discharge port sealing strip is arranged between the discharge port sealing door and the side wall of the box body, and the first-stage crushing part, the second-stage crushing part and the material sealing part are controlled by a general control system; the box is still equipped with gas protection portion, and gas protection portion includes gas pitcher, vacuum pump, filter screen and baffle, and wherein the gas pitcher passes through the pipeline and is connected with the box in the top, is provided with the admission valve on the pipeline, and the vacuum pump is connected with the bottom in the box, and the pump mouth of vacuum pump is provided with the filter screen, is provided with the baffle in the box between material sealing portion and the filter screen.

By the above arrangement: the general control system is a normal power control system, has no creative design, belongs to the prior art and is not introduced much.

The first-stage crushing portion, the second-stage crushing portion, the material sealing portion and the gas protection portion are shared in the box body, so that the space in the box body is reduced, the gas content in the box body is reduced, and the effects of high vacuumizing speed and small using amount of inert gas can be achieved. The box feed inlet and the discharge gate are sealing doors, and the feed inlet sealing doors are arranged above the inner cavity of the primary crushing part, and possibly are impacted by splashed materials in the crushing process, so that the strength and the air tightness of the box are ensured by adopting modes such as heating sealing strips, bolt fastening and the like. The zirconium alloy powder has inflammability, and can filter alloy dust through the side baffle and the filter screen of the vacuum pump to protect the vacuum pump. The vacuum pump and the gas tank storing inert gas together provide an oxygen-free environment for the inside of the tank body.

The utility model discloses a crushing device for zirconium-based intermediate alloy, wherein the primary crushing part comprises a static jaw plate, a dynamic jaw plate and a pneumatic motor, wherein a push rod of the pneumatic motor is connected with the dynamic jaw plate, and the static jaw plate is fixedly arranged at the inner side of a box body.

The utility model discloses a crushing device for zirconium-based intermediate alloy, which comprises a lining plate, a rotating shaft frame, a rotating shaft, an impact hammer, a motor and a screen, wherein the lining plate is fixed on the inner side of a box body, the rotating shaft frame is fixed on the lining plate, the rotating shaft is arranged on the rotating shaft frame and is connected with a motor main shaft through a coupling, the impact hammer is fixedly connected with the rotating shaft, and the screen is arranged at the joint of the bottom of the lining plate and a material sealing part.

By the above arrangement: the crushing device consists of two-stage crushing parts, wherein the first-stage crushing part adopts jaw crushing, and the second-stage crushing part adopts trans-crushing.

The zirconium-based intermediate alloy ingot has smooth and compact surface, is not easy to crush, has the advantage of crushing materials with high hardness, high strength, large size and large size, can crush the whole ingot into alloy blocks with smaller size and higher crushing efficiency.

The trans-crushing is suitable for crushing medium-hardness materials, and has high crushing efficiency and difficult material clamping. The blanking mouth at the bottom of the secondary crushing part is provided with a screen to control the size of alloy particles, under the drive of the impact hammer, the alloy blocks are gradually crushed into smaller particles in the inner cavity of the impact crushing part, when the particle size is smaller than the screen holes of the screen, the particles fall into a sealing bag below, and when the particle size is large, the particles continue to be crushed in the inner cavity.

The utility model discloses a crushing device for zirconium-based intermediate alloy, wherein a material sealing part comprises side baffles at two sides, a fixing clamp sealing bag, a heating sealing strip and a guide rail, wherein the guide rail is connected with the side baffles at two sides, the heating sealing strip is arranged at two sides of the guide rail and clings to the side baffles, an opening of the sealing bag is clamped at the edges of the side baffles through the fixing clamp, and the heating sealing strip is controlled by a master control system to move on the guide rail.

By the above arrangement: the material sealing part is arranged at the bottom of the box body and consists of side baffles, fixing clamps, heating sealing strips and guide rails with limiting points. The baffle can fix the sealing bag with fixed, avoids making sealing bag skew blanking mouth because of vacuum pump work or granule drop. After the particles are crushed, the sealing bag is sealed by the heating sealing strip along the guide rail, and alloy particles with uniform sizes and inert gas are arranged in the sealing bag at the moment, so that the alloy particles are convenient to take and store for a long time.

Compared with the prior art, the scheme of the utility model has the following beneficial effects:

1. the technical scheme of the utility model can realize that the whole process from the zirconium-based intermediate alloy ingot to the sealed and packaged particles is in an anaerobic environment, realize the minimum oxidation degree of the alloy particles, facilitate long-term storage and taking of the alloy particles at any time, improve the yield of the zirconium-based intermediate alloy particles and reduce potential safety hazards.

2. The problem that zirconium-based intermediate alloy ingots are difficult to crush is solved through the combination of jaw crushing and trans-crushing two-stage crushing, and the crushing efficiency is high, the particle size is uniform, and the materials are not easy to clamp. Jaw crushing is easier to crush alloy ingots into alloy blocks which are easy to crush, the alloy blocks are further crushed in a trans-crusher, and the alloy particles with uniform size are obtained through screening of a screen.

3. The device has small gas space, and can achieve the effects of high vacuumizing speed and small using amount of inert gas. The material sealing part is also arranged in the box body, alloy particles do not need to be taken out of the crushing part and then vacuum-packed like the prior device, and meanwhile, the utilization rate of inert gas is improved.

4. For the parts which are easy to be impacted, the feed port sealing door adopts the modes of heating sealing strips, fastening bolts and the like to ensure the strength and the air tightness; the static jaw plate and the box body are of an integrated structure, and the thickness design ensures the strength of the static jaw plate, so that the static jaw plate can crush materials with higher strength; impact crusher lining plate and rotating shaft frame and box are also of an integrated structure, impact resistance is guaranteed, and service life of crushing equipment is prolonged.

5. The baffle in the box can separate alloy particles, sealing bags or partial alloy powder, and the filter screen of the vacuum pump can further filter alloy dust, so that the service life of the vacuum pump is prolonged.

The utility model will be described in more detail below with reference to the drawings and examples.

Drawings

The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic diagram of a case of the present utility model;

FIG. 3 is a schematic view of a material seal of the present utility model;

marked in the figure as: 1. a discharge port sealing door; 2. sealing strips at the discharge port; 3. a lining plate; 4. a rotating shaft; 5. a case; 6. a static jaw plate; 7. a feed inlet sealing door; 8. sealing strips of the feed inlet; 9. a feed inlet; 10. a pneumatic motor; 11. an intake valve; 12. a gas tank; 13. a swing jaw plate; 14. an impact hammer; 15. a screen; 16. a vacuum pump; 17. a filter screen; 18. a baffle; 19. a material sealing device; 20. a motor; 21. a rotating shaft bracket. 201. Side baffles; 202. restriction sites; 203. a guide rail; 204. sealing the bag; 205. a fixing clamp; 206. and heating the sealing strip.

Detailed Description

The following detailed description of the embodiments of the present utility model, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operation and use method, etc., will be given by way of example only to assist those skilled in the art in a more complete, accurate and thorough understanding of the present utility model.

The crushing device for the zirconium-based intermediate alloy comprises a box body 5, wherein a feed inlet 9 is formed in the top of the box body 5, a primary crushing part is formed in the top of the box body 5, a secondary crushing part is arranged below the primary crushing part, a material sealing part is arranged in the bottom of the box body 5 and communicated with an outlet of the secondary crushing part, a discharge port sealing door 1 is arranged on the box body 5 outside the material sealing part, a discharge port sealing strip 2 is arranged between the discharge port sealing door 1 and the side wall of the box body 5, and the primary crushing part, the secondary crushing part and the material sealing part are controlled by a general control system; the first-stage crushing part comprises a static jaw plate 6, a movable jaw plate 13 and a pneumatic motor 10, wherein a push rod of the pneumatic motor 10 is connected with the movable jaw plate 13, and the static jaw plate 6 is fixedly arranged at the inner side of the box body 5; the secondary crushing part comprises a lining plate 3, a rotating shaft frame 21, a rotating shaft 4, an impact hammer 14, a motor 20 and a screen 15, wherein the lining plate 3 is fixed on the inner side of the box body 5, the rotating shaft frame 21 is fixed on the lining plate 3, the rotating shaft 4 is arranged on the rotating shaft frame 21 and is connected with a main shaft of the motor 20 through a coupling, the impact hammer 14 is fixedly connected with the rotating shaft 4, and the screen 15 is arranged at the joint of the bottom of the lining plate 3 and the material sealing part; the material sealing part comprises side baffles 201 on two sides, a fixing clamp 205, a sealing bag 204, a heating sealing strip 206 and a guide rail 203, wherein the guide rail 203 is connected with the side baffles 201 on two sides, the heating sealing strip 206 is arranged on two sides of the guide rail 203 and clings to the side baffles 201, and an opening of the sealing bag 204 is clamped at the edges of the side baffles 201 through the fixing clamp 205; the box 5 is also provided with a gas protection part, the gas protection part comprises a gas tank 12, a vacuum pump 16, a filter screen 17 and a baffle 18, wherein the gas tank 12 is connected with the inner top of the box 5 through a pipeline, the pipeline is provided with an air inlet valve 11, the vacuum pump 16 is connected with the inner bottom of the box 5, a pump port of the vacuum pump 16 is provided with the filter screen 17, and the baffle 18 is arranged between a material sealing part in the box 5 and the filter screen 17.

Working principle and method

Opening the discharge port sealing door 1, enabling the sealing bag 204 to pass through the guide rail 203, enabling the bag mouth of the sealing bag 204 to be clamped on the fixing clamp 205, and enabling the heating sealing strip 206 to be close to the limiting point 202. Closing the discharge port sealing door 1, opening the feed port sealing door 7, putting a zirconium-based intermediate alloy ingot, closing the feed port sealing door 7 and fastening by bolts.

And starting the control of the master control system on the vacuum pump 16, starting the vacuum pump 16, stopping the vacuum pump 16 when the indication of the air inlet valve 11 shows the vacuum degree to 10 < -1 > -10 < -2 > MPA, starting the air tank 12, filling inert gas until the indication of the air inlet valve 11 shows the vacuum degree to zero, and stopping the air tank 12. This step is performed a plurality of times to ensure an inert gas atmosphere in the case 5.

And starting the control of the pneumatic motor 7 and the motor 20 of the primary crushing part and the secondary crushing part by the master control system. The zirconium-based intermediate alloy ingot is extruded by the static jaw plate 6 and the movable jaw plate 13 and is broken into alloy blocks with slightly smaller sizes. The alloy pieces are broken into smaller sized particles by the impact hammer 14 on the shaft 4. The particles fall through the screen 15 into the sealed bag 204. After the zirconium-based intermediate alloy ingot is crushed, the pneumatic motor 7 and the motor 20 are turned off.

And starting control of the heating sealing strips 206 in the material sealing part in the general control system, sliding the heating sealing strips 206 at the two sides of the sealing bag 204 along the guide rail 203 towards the middle, and heating after contact to heat and seal the sealing bag 204. After the sealing is finished, the heating sealing strip 206 is retracted to the limit point 202.

Opening the discharge port sealing door 1, taking out the sealing bag 204, and completing the operation.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims

1. The utility model provides a breaker of zirconium base intermediate alloy, includes box (5), is equipped with feed inlet (9) at box (5) top, its characterized in that, the top is equipped with one-level crushing portion in box (5), is equipped with two-level crushing portion below the one-level crushing portion, is provided with material sealing portion in box (5), material sealing portion and two-level crushing portion export UNICOM, and material sealing portion outside box (5) is provided with discharge gate sealing door (1), is equipped with discharge gate sealing strip (2) between discharge gate sealing door (1) and box (5) lateral wall, and one-level crushing portion, two-level crushing portion and material sealing portion are all controlled by total control system; the box (5) is also provided with a gas protection part, the gas protection part comprises a gas tank (12), a vacuum pump (16), a filter screen (17) and a baffle (18), wherein the gas tank (12) is connected with the inner top of the box (5) through a pipeline, an air inlet valve (11) is arranged on the pipeline, the vacuum pump (16) is connected with the inner bottom of the box (5), the filter screen (17) is arranged at the pump port of the vacuum pump (16), and the baffle (18) is arranged between the material sealing part in the box (5) and the filter screen (17).

2. The crushing device for zirconium-based intermediate alloy according to claim 1, wherein the primary crushing part comprises a stationary jaw plate (6), a movable jaw plate (13) and a pneumatic motor (10), wherein a push rod of the pneumatic motor (10) is connected with the movable jaw plate (13), and the stationary jaw plate (6) is fixedly arranged at the inner side of the box body (5).

3. The crushing device of the zirconium-based intermediate alloy according to claim 1, wherein the secondary crushing part comprises a lining plate (3), a rotating shaft frame (21), a rotating shaft (4), a counterattack hammer (14), a motor (20) and a screen (15), wherein the lining plate (3) is fixed on the inner side of the box body (5), the rotating shaft frame (21) is fixed on the lining plate (3), the rotating shaft (4) is arranged on the rotating shaft frame (21) and is connected with a main shaft of the motor (20) through a coupling, the counterattack hammer (14) is fixedly connected with the rotating shaft (4), and the screen (15) is arranged at the joint of the bottom of the lining plate (3) and the material sealing part.

4. The crushing device for zirconium-based intermediate alloy according to claim 1, wherein the material sealing part comprises side baffles (201) on two sides, fixing clamps (205), sealing bags (204), heating sealing strips (206) and guide rails (203), wherein the guide rails (203) are connected with the side baffles (201) on two sides, the heating sealing strips (206) are arranged on two sides of the guide rails (203) and cling to the side baffles (201), openings of the sealing bags (204) are clamped on edges of the side baffles (201) through the fixing clamps (205), and the heating sealing strips (206) are controlled by the master control system to move on the guide rails (203).