CN214601920U

CN214601920U - High temperature mother alloy casting is with reposition of redundant personnel purifier

Info

Publication number: CN214601920U
Application number: CN202120731739.5U
Authority: CN
Inventors: 薛仲明; 邬建坤
Original assignee: Jiangsu Mingyue Precision Superalloy Co ltd
Current assignee: Jiangsu Mingyue Precision Superalloy Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-05
Anticipated expiration: 2031-04-10

Abstract

The utility model relates to a high temperature master alloy casting is with reposition of redundant personnel purifier, its splitter plate that includes the filter tank, with the filter tank joint, the filter tank is located the splitter plate top, one side that the filter tank is close to the splitter plate is equipped with first class export, one side that the filter tank was kept away from to the splitter plate is equipped with a plurality of second and flows the export, be equipped with the subassembly of blowing and filter stand in the filter tank, the subassembly of blowing is including the intake pipe that is used for blowing noble gas, along a plurality of guard plates of intake pipe periphery wall evenly distributed, the intake pipe is worn to establish in the filter tank, intake pipe periphery wall evenly distributed has a plurality of ventholes, follows a plurality of ventholes that intake pipe length direction arranged are a set of, every group guard plate of venthole top fixedly connected with, the filter stand is located the subassembly below of blowing, first class export is located the filter stand. This application has the effect that improves the casting quality of steel.

Description

High temperature mother alloy casting is with reposition of redundant personnel purifier

Technical Field

The application relates to the technical field of high-temperature alloy processing equipment, in particular to a shunting and purifying device for casting a high-temperature master alloy.

Background

The high-temperature alloy is a metal material which takes iron, cobalt, nickel and the like as a matrix and can continuously work in a temperature range higher than 600 ℃ and under the action of certain stress, has good corrosion resistance, oxidation resistance and fatigue resistance, and is widely applied to the fields of aerospace, petroleum and the like.

At present, chinese patent with publication number CN206824652U discloses a reposition of redundant personnel purifier is used in casting of high temperature mother alloy, including filter-tank and splitter disc, the filter-tank is located the top of splitter disc, the bottom of filter-tank is equipped with two molten steel inflow holes, the molten steel inflow hole is the ladder round hole, the molten steel inflow downthehole is equipped with the filter plate, be equipped with a plurality of partition panels in the splitter disc, partition panel cross arrangement, the partition panel divides the splitter disc into a plurality of splitter discs, the splitter disc leaves 100mm air separation alternately at the limit portion, the splitter disc bottom is equipped with a plurality of water conservancy diversion holes, distance size between two adjacent water conservancy diversion holes equals, the quantity of water conservancy diversion hole is the even number, the water conservancy diversion hole is the ladder round hole, be equipped with the second filter plate in the water conservancy diversion hole, be equipped with the wall between per two water conservancy diversion holes.

In the related art, during the casting of the liquid alloy, the inclusions, such as metal oxides, in the liquid alloy are likely to deposit on the bottom of the filter tank along with the flow of the liquid alloy, and block the filter sheet. In order to enable the molten steel to completely flow out of the filter tank, the filter pore diameters of the filter sheet and the second filter sheet are large in design, the removal rate of impurities in the shunting purification device is low, and the inventor thinks that the defect of reduction of the casting quality of steel exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the casting quality of steel, the application provides a reposition of redundant personnel purifier is used in high temperature master alloy casting.

The application provides a pair of high temperature master alloy casting is with reposition of redundant personnel purifier adopts following technical scheme:

a shunting purification device for casting high-temperature master alloy, which comprises a filter tank and a shunting disc clamped with the filter tank, the filter tank is positioned above the diverter plate, one side of the filter tank close to the diverter plate is provided with a first outflow port, a plurality of second flow outlets are arranged on one side of the flow distribution disc away from the filter tank, an air blowing assembly and a filter frame are arranged in the filter tank, the blowing assembly comprises an air inlet pipe for blowing rare gas and a plurality of protection plates which are uniformly distributed along the peripheral wall of the air inlet pipe, the air inlet pipe is arranged in the filter tank in a penetrating mode, the filter tank extends out of two ends of the air inlet pipe, a plurality of air outlet holes are evenly distributed in the outer peripheral wall of the air inlet pipe, the air outlet holes distributed along the length direction of the air inlet pipe are in a group, a protection plate is fixedly connected to the upper portion of each air outlet hole, the filter frame is located below the air blowing assembly, and the first flow outlet is located in the filter frame.

By adopting the technical scheme, the liquid alloy is injected into the filter tank, the blowing component is completely immersed, the gas inlet pipe slowly blows the rare gas, the rare gas is blown out from the gas outlet hole to form bubbles, impurities are easily adsorbed on the surfaces of the bubbles after the bubbles meet the impurities, and the bubbles drive the impurities to rise, so that the impurities are gathered on the liquid alloy surface; when the liquid level of liquid alloy reduces, the inclusion that collects descends along with the liquid level of liquid alloy and contacts with the intake pipe, and the guard plate plays the guard action, and the inclusion adheres earlier on the intake pipe surface, reduces the content of inclusion in the liquid alloy on the one hand, and the aperture of filtering the frame reduces, improves the clearance of inclusion, and on the other hand reduces the possibility that the venthole blockked up, uses through the cooperation of blowing subassembly and filtering the frame for the clearance of inclusion improves in the liquid alloy, improves the pouring quality of steel.

Optionally, the guard plate includes two first blocking plates that are central symmetry setting about the venthole axis, fixed connection is kept away from the second blocking plate of intake pipe one end at first blocking plate, the slope of second blocking plate sets up, two the interval that first blocking plate one end was kept away from to the second blocking plate is less than the diameter of venthole.

By adopting the technical scheme, the first blocking plate and the second blocking plate wrap the air outlet hole, so that impurities are firstly contacted with the protection plate, the impurities are adhered to the surface of the protection plate along with the reduction of the liquid level of the liquid alloy, and the possibility of blocking the air outlet hole is reduced while the impurities are removed by the protection plate.

Optionally, the joint of the air inlet pipe and the filter tank is fixedly connected with a sealing ring, and the sealing ring is sleeved on the air inlet pipe.

By adopting the technical scheme, the sealing ring fills the gap between the air inlet pipe and the filter tank, so that the possibility of oxidizing the liquid alloy by oxygen in the outside air is reduced.

Optionally, the blowing assembly is provided with a plurality of blowing assemblies along the length direction of the filter tank.

Through adopting above-mentioned technical scheme, the multiunit subassembly of blowing further improves the clearance of inclusion, has improved the removal efficiency of inclusion simultaneously.

Optionally, the first flow export is equipped with a plurality ofly, a plurality ofly of arranging along filter tank length direction the first flow export is a set of, and is two sets of first flow export is about filter tank width direction's central symmetric distribution, every group filter frame, two are installed to first flow export top filter frame constitutes the filtration corridor of funnel type, filter frame including the first filter of vertical setting, with first filter fixed connection's second filter, the slope of second filter sets up, the one end and the filter tank inner wall fixed connection of first filter are kept away from to the second filter.

Through adopting above-mentioned technical scheme, filter the frame and filter the inclusion for liquid alloy after the purification gets into the flow distribution disc and shunts, and when the volume and the weight of inclusion were great, inclusion accessible second filter slided into and filters in the corridor, piles up in filtering the corridor, and the filter mesh of filter the frame is difficult for blockking up, further reduces the aperture of filter the frame, improves the inclusion clearance, thereby improves the casting quality of steel.

Optionally, the filtering frame is provided with a plurality of layers, the aperture of the filtering holes of the plurality of layers of filtering frames is sequentially reduced outwards along the axis of the filtering channel, and the distance between two adjacent layers of filtering frames is larger than the aperture of the filtering holes of the filtering frame close to the axis of the filtering channel.

Through adopting above-mentioned technical scheme, interval between two adjacent filters is greater than great aperture among two filters, and the inclusion between two adjacent filters of being convenient for is piled up in the filter tank bottom, does not influence the filter and filters, and the rate of removal of inclusion is further improved in the setting of the first filter of multiunit and second filter, improves the casting quality of steel.

Optionally, the flow distribution disc includes cell body, division board and baffle, the division board is located flow distribution disc length direction's center department, the one end fixed connection of baffle is on the cell body, leaves the distance between the other end and the cell body, division board and baffle constitute the guiding gutter, the guiding gutter communicates with the second outfall.

By adopting the technical scheme, the liquid alloy is buffered in the diversion trench, so that the liquid alloy flows into the steel casting mold stably on the one hand, and the probability of flow cutoff of the liquid alloy is reduced on the other hand, thereby improving the casting quality of the steel.

Optionally, be equipped with a plurality of water conservancy diversion posts on the division board, the one end that the division board was kept away from to the water conservancy diversion post stretches into in the first outflow mouth, the water conservancy diversion post periphery wall leaves the clearance with first outflow mouth inner wall.

By adopting the technical scheme, the flow guide column guides the liquid alloy flowing out of the first flow outlet, so that the possibility of splashing of the liquid alloy is reduced, the flow stability of the liquid alloy is improved, and the casting quality of steel is improved.

Optionally, the outer walls of the filter tank and the splitter plate are both provided with insulating layers.

Through adopting above-mentioned technical scheme, the heat preservation keeps warm to liquid alloy, reduces because liquid alloy heat dissipation solidification leads to the second outfall jam of the ascending both sides of diverter plate length direction in the reposition of redundant personnel in-process, further improves the casting quality of steel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the blowing assembly is matched with the filter frame, so that the inclusion content of the liquid alloy is reduced, the inclusion removal rate is improved, and the casting quality of steel is improved;

2. through the setting of guide post, the guide post carries out the drainage to the liquid alloy that first efflux mouth flows, reduces the possibility that liquid alloy splashes for liquid alloy can steadily converge and shunt in the reposition of redundant personnel dish, improves the casting quality of steel.

Drawings

FIG. 1 is a schematic view of the overall structure of a split-flow purification apparatus according to an embodiment of the present application;

FIG. 2 is a schematic sectional view of a purification apparatus according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is an exploded view of a filter tank according to an embodiment of the present invention.

Description of reference numerals: 1. a filter tank; 11. a blowing assembly; 111. an air inlet pipe; 112. a protection plate; 113. an air outlet; 1121. a first barrier plate; 1122. a second barrier plate; 114. a seal ring; 12. a filter frame; 121. a first filter plate; 122. a second filter plate; 13. a first outflow port; 14. positioning a plate; 2. a diverter tray; 21. a trough body; 22. a partition plate; 23. a baffle plate; 221. positioning a groove; 222. a flow guide column; 24. a shunt slot; 25. a third filter screen; 26. a second outlet; 3. and (7) an insulating layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses high temperature master alloy casting is with reposition of redundant personnel purifier. Referring to fig. 1, the shunting purification device for casting the high-temperature master alloy comprises a filter tank 1 and a shunting disc 2 clamped with the filter tank 1, wherein the filter tank 1 is positioned above the shunting disc 2, molten steel in a vacuum induction furnace is purified through the filter tank 1 and then shunted by the shunting disc 2, and the molten steel is stably injected into a mold steel pipe, so that the casting quality of steel is improved.

Referring to fig. 1 and 2, a blowing assembly 11 is provided in the filtering tank 1. The liquid alloy is injected into the filter tank 1 and completely does not pass through the blowing assembly 11. The air blowing assembly 11 includes an air inlet tube 111 and a shielding plate 112. The air inlet pipe 111 is arranged along the length direction of the filter tank 1 and penetrates through the filter tank 1.

Referring to fig. 1 and 2, the two ends of the gas inlet pipe 111 extend out of the filter tank 1, one end of the gas inlet pipe 111 is communicated with the rare gas transfer device, and the other end of the gas inlet pipe 111 discharges the rare gas. The rare gas is argon, and the blowing of argon does not increase the content of inclusions because argon does not react with the liquid alloy. A plurality of air outlet holes 113 are uniformly distributed on the outer peripheral wall of the air inlet pipe 111, and argon escapes from the air outlet holes 113. Bubbles formed by argon meet with inclusions in the rising process, the inclusions are attached to the surfaces of the bubbles, and the bubbles carry the inclusions to float upwards, so that the inclusions are converged at the liquid level of the liquid alloy.

Referring to fig. 3, the venthole 113 is equipped with a plurality ofly, and a plurality of ventholes 113 that are the straight line and arrange along intake pipe 111 length direction are a set of, and evenly distributed a plurality of groups on the intake pipe 111 periphery wall, the blowing efficiency of multiunit venthole 113 increase argon gas enlarges the blowing area of argon gas, improves the come-up rate of inclusion.

Referring to fig. 3, the protection plate 112 is uniformly distributed along the outer circumferential wall of the air inlet pipe 111, and is correspondingly and fixedly connected above each set of air outlet holes 113.

Referring to fig. 3, the protection plate 112 includes two first blocking plates 1121 symmetrically disposed about an axis of the air outlet 113, and a second blocking plate 1122 fixedly connected to an end of the first blocking plate 1121 away from the air inlet pipe 111, wherein the first blocking plate 1121 and the second blocking plate 1122 are both disposed along a length direction of the air inlet pipe 111. When the liquid level of the liquid alloy drops, the collected inclusions contact with the first barrier plate 1121 and the second barrier plate 1122 and are attached to the surfaces of the first barrier plate 1121 and the second barrier plate 1122, so that the content of the inclusions in the liquid alloy is reduced, and the removal rate of the inclusions in the liquid alloy is improved.

Referring to fig. 3, the second blocking plates 1122 are obliquely arranged in a direction approaching to each other, and a distance between ends of the two second blocking plates 1122 far away from the first blocking plates 1121 is smaller than a diameter of the air outlet 113, so that the air outlet 113 is effectively protected, the air outlet 113 is prevented from being blocked by inclusions, and the service life of the air blowing assembly 11 is prolonged.

Referring to fig. 4, two ends of the air inlet pipe 111 are both sleeved with sealing rings 114, and the two sealing rings 114 are both fixedly connected at the joint of the air inlet pipe 111 and the filter tank 1. The sealing ring 114 seals a gap between the air inlet pipe 111 and the filter tank 1, so that external air is prevented from entering the filter tank 1, and the possibility that the liquid alloy is oxidized by contacting oxygen in the external air is reduced.

Referring to fig. 2, a plurality of blowing modules 11 are arranged along the width direction of the filtering tank 1, and the plurality of blowing modules 11 can improve the blowing efficiency and blowing range of argon gas, further increase the removal rate of inclusions and improve the casting quality of steel.

Referring to fig. 2 and 4, a filter frame 12 is arranged below the blowing assembly 11, a plurality of first outflow ports 13 are arranged on one side of the filter tank 1 close to the diverter plate 2, the first outflow ports 13 are arranged in a group along the length direction of the filter tank 1, two groups of first outflow ports 13 are arranged, and the two groups of first outflow ports 13 are symmetrically arranged about the center of the filter tank 1 in the width direction. A filter frame 12 is arranged above each group of the first outflow openings 13. The two filter frames 12 form a funnel-shaped filter shaft. After the filtering frame 12 filters the impurities, the impurities are accumulated in the filtering channel, so that the filtering meshes of the filtering frame 12 are not easy to be blocked, the aperture of the filtering frame 12 is further reduced, the impurity removal rate is improved, and the casting quality of steel is improved.

Referring to fig. 2, the filter frame 12 includes a first filter plate 121 vertically disposed, and a second filter plate 122 fixedly connected to the first filter plate 121, the second filter plate 122 is obliquely disposed and located above the first outlet 13, and one end of the second filter plate 122 far away from the first filter plate 121 is fixedly connected to the inner wall of the filter tank 1. When the volume and the weight of the inclusions are large, the inclusions can slide into the filter shaft through the second filter plates 122, and the inclusions are not easy to accumulate above the second filter plates 122, so that the possibility of blocking the filter frame 12 is reduced.

Referring to fig. 2, the filter frame 12 is provided with a plurality of layers, the plurality of layers of filter frames 12 are arranged in parallel, and the aperture of the filter holes of the plurality of layers of filter frames 12 decreases along the axis of the filter shaft in turn. The filtering frames 12 are used for filtering step by step, so that the removal rate of the impurities is further improved.

Referring to fig. 2, the distance between two adjacent filter frames 12 is greater than the diameter of the filter holes of the filter frames 12 close to the axis of the filter shaft, so that the impurities between two adjacent filter plates can be accumulated at the bottom of the filter tank 1 without blocking the filter holes of the filter frames 12.

Referring to fig. 2, the diverter tray 2 includes a groove body 21, a partition plate 22, and a baffle plate 23. The partition plate 22 is located at the center of the length direction of the diverter tray 2, and both ends of the partition plate 22 are fixedly connected with the groove body 21. Two positioning plates 14 are arranged on one side, close to the diverter disc 2, of the filter tank 1, the two positioning plates 14 are symmetrically arranged along the center of the length direction of the filter tank 1, two positioning grooves 221 are correspondingly formed in the partition plate 22, and the positioning plates 14 are in plug-in fit with the positioning grooves 221 to realize clamping connection of the filter tank 1 and the diverter disc 2.

Referring to fig. 2, the partition plate 22 is provided with a plurality of flow guiding columns 222, one end of each flow guiding column 222, which is far away from the partition plate 22, extends into the first outflow port 13, and a gap is left between the outer peripheral wall of each flow guiding column 222 and the inner wall of the first outflow port 13. The diversion column 222 conducts diversion on the liquid alloy flowing out of the filter tank 1, so that the possibility of splashing of the liquid alloy is reduced, the flow stability of the liquid alloy is improved, the content of impurities in the liquid alloy entering the diverter disc 2 is reduced, and the casting quality of steel is improved.

Referring to fig. 1, a plurality of baffles 23 are arranged in the width direction parallel to the diverter tray 2, the baffles 23 are arranged in a staggered manner, one ends of the baffles 23 are fixedly connected with the tank body 21, and a space is reserved between the other ends of the baffles 23 and the tank body 21. The trough body 21, the partition plate 22 and the baffle plate 23 constitute two sets of arcuate splitter boxes 24. Referring to fig. 2, the dividing channel 24 is stepped, and the bottom of the dividing channel 24 is provided with a second outlet 26. The liquid alloy flowing out from the first outflow opening 13 is buffered in the diversion channel 24, so that the liquid alloy can smoothly flow into a steel casting mold from the second outflow opening 26 on one hand, and the probability of flow interruption of the liquid alloy is reduced on the other hand, and the casting quality of the steel is improved.

Referring to fig. 2, the smaller end of the diversion trench 24 is fixedly connected with a third filter screen 25, the filter aperture of the third filter screen 25 is smaller than the smallest filter aperture in the filter frame 12, and the third filter screen 25 purifies the liquid alloy, so that the removal rate of impurities is further improved, and the casting quality of steel is improved.

Referring to fig. 1, the outer walls of the filter tank 1 and the splitter plate 2 are both provided with heat insulation layers 3, and the heat insulation layers 3 are made of heat-insulating asbestos. The second outflow openings 26 on the two sides of the length direction of the diverter disc 2 are easy to block due to cooling of the liquid alloy in the diversion process, the heat preservation layer 3 preserves the heat of the liquid alloy, the possibility of blocking of the second outflow openings 26 is reduced, and the casting quality of steel is further improved.

The implementation principle of the shunting purification device for casting the high-temperature master alloy in the embodiment of the application is as follows: liquid alloy flows into the filter tank 1, the blowing assembly 11 is immersed, argon is blown by the blowing assembly 11, inclusions float and gather at the liquid level of the liquid alloy, when the liquid level of the liquid alloy descends, the inclusions collected at the liquid level of the liquid alloy adhere to the protective plate 112 along with the descending of the liquid level, are filtered by the filter frame 12, flow out of the filter tank 1 from the first flow outlet 13, are guided by the guide column 222, stably flow into the diverter disc 2, are buffered in the diverter tank 24, are secondarily filtered by the third filter screen 25, and are injected into a steel casting mold below from the second flow outlet 26.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high temperature master alloy casting is with dividing reposition of redundant personnel purifier, includes filter tank (1), with reposition of redundant personnel dish (2) of filter tank (1) joint, filter tank (1) are located reposition of redundant personnel dish (2) top, one side that filter tank (1) is close to reposition of redundant personnel dish (2) is equipped with first class export (13), one side that filter tank (1) was kept away from in reposition of redundant personnel dish (2) is equipped with a plurality of seconds and flows export (26), its characterized in that: be equipped with in filter tank (1) and blow subassembly (11) and filter stand (12), blow subassembly (11) including be used for blowing noble gas intake pipe (111), along a plurality of guard plates (112) of intake pipe (111) periphery wall evenly distributed, intake pipe (111) are worn to establish in filter tank (1), filter tank (1) is extended at the both ends of intake pipe (111), intake pipe (111) periphery wall evenly distributed has a plurality of ventholes (113), follows a plurality of ventholes (113) that intake pipe (111) length direction arranged are a set of, every group venthole (113) top is equipped with one guard plate (112), filter stand (12) are located and blow subassembly (11) below, first class export (13) are located filter stand (12).

2. The split-flow purification device for casting the high-temperature master alloy according to claim 1, characterized in that: the protection plate (112) comprises two first blocking plates (1121) which are arranged in a central symmetry mode about the axis of the air outlet hole (113), and a second blocking plate (1122) which is fixedly connected to one end, away from one end of the air inlet pipe (111), of each first blocking plate (1121), the second blocking plates (1122) are arranged in an inclined mode, and the distance between the ends, away from the first blocking plates (1121), of the second blocking plates (1122) is smaller than the diameter of the air outlet hole (113).

3. The split-flow purification device for casting the high-temperature master alloy according to claim 2, characterized in that: the air inlet pipe (111) and the filter tank (1) are fixedly connected with a sealing ring (114), and the air inlet pipe (111) is sleeved with the sealing ring (114).

4. The split-flow purification device for casting the high-temperature master alloy according to claim 1, characterized in that: the blowing assemblies (11) are arranged along the length direction of the filter tank (1).

5. The split-flow purification device for casting the high-temperature master alloy according to claim 1, characterized in that: first-class export (13) are equipped with a plurality ofly, and a plurality ofly arrange along filter tank (1) length direction first-class export (13) are a set of, two sets of first-class export (13) are about filter tank (1) width direction's central symmetric distribution, every group first-class export (13) top is installed one and is filtered frame (12), two filter frame (12) constitute the filtration corridor of funnel type, filter frame (12) including vertical setting first filter (121), with first filter (121) fixed connection's second filter (122), second filter (122) slope sets up, the one end and the filter tank (1) inner wall fixed connection of first filter (121) are kept away from in second filter (122).

6. The split-flow purification device for casting the high-temperature master alloy according to claim 5, wherein: the filter frame (12) is provided with a plurality of layers, the aperture of the filter holes of the filter frame (12) is sequentially reduced along the axis of the filter channel, and the distance between the two adjacent layers of filter frames (12) is larger than the aperture of the filter holes of the filter frame (12) close to the axis of the filter channel.

7. The split-flow purification device for casting the high-temperature master alloy according to claim 1, characterized in that: diverter plate (2) include cell body (21), division board (22) and baffle (23), division board (22) are located diverter plate (2) length direction's center department, the one end fixed connection of baffle (23) is on cell body (21), leaves the distance between the other end and cell body (21), division board (22) and baffle (23) constitute guiding gutter (24), guiding gutter (24) and second outfall (26) intercommunication.

8. The split-flow purification device for casting the high-temperature master alloy according to claim 7, wherein: a plurality of flow guide columns (222) are arranged on the partition plate (22), one ends, far away from the partition plate (22), of the flow guide columns (222) extend into the first outflow port (13), and gaps are reserved between the outer peripheral walls of the flow guide columns (222) and the inner wall of the first outflow port (13).

9. The split-flow purification device for casting the high-temperature master alloy according to claim 1, characterized in that: and the outer walls of the filter tank (1) and the splitter plate (2) are respectively provided with a heat insulation layer (3).