CN115404318A

CN115404318A - Quenching device for steelmaking

Info

Publication number: CN115404318A
Application number: CN202211131930.1A
Authority: CN
Inventors: 李清平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-11-29

Abstract

The invention discloses a quenching device for steelmaking, which relates to the technical field of quenching and comprises a lifting device, wherein a clamping device is fixedly arranged below the lifting device, a quenching bath mechanism is fixedly arranged below the clamping device and positioned at the top of the lifting device, a cooling water mechanism is fixedly arranged at the rear side of the quenching bath mechanism, a wastewater filtering device is movably arranged at the bottom of the lifting device, the clamping device comprises a sliding block, and the outer walls of the left side and the right side of the sliding block are in sliding connection with the inner wall of a second sliding block. According to the invention, the steel can be clamped and slidingly immersed into the quenching tank through the clamping device, the cooling water device is arranged, internal water can be filtered through stirring, and then is pumped into the cooling water tank through the water pump, so that the steel can be rapidly cooled and finally flows into the quenching tank to better quench the steel, and the wastewater filtering device is arranged, so that the rotating column can be driven to rotate through flowing wastewater, and a lot of impurities are accumulated in the filtering cylinder to block the filtering hole.

Description

Quenching device for steelmaking

Technical Field

The invention relates to the technical field of quenching, in particular to a quenching device for steelmaking.

Background

Quenching is a heat treatment process. The quenching of steel is a heat treatment process of heating the steel to a temperature above a critical temperature Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), preserving heat for a period of time to make the steel become fully or partially austenitized, and then rapidly cooling the steel to a temperature below Ms (or isothermal near Ms) at a cooling speed greater than a critical cooling speed to perform martensite (or bainite) transformation. The solution treatment of materials such as aluminum alloys, copper alloys, titanium alloys, and tempered glass or the heat treatment process with a rapid cooling process is also generally called quenching, which is a heat treatment process in which steel is heated to a temperature above a critical temperature, kept at a temperature for a certain period of time, and then cooled at a rate higher than the critical cooling rate to obtain an unbalanced structure mainly including martensite (bainite is obtained or single-phase austenite is maintained as needed). Quenching is the most widely applied work technology method in the steel heat treatment technology, and in the prior art, quenching is needed in the steel heat treatment process, so that a quenching device for steelmaking is provided.

In the prior art, a chinese utility model patent document with publication number CN216404460U and publication date 2022, 4 and 29 is proposed to solve the above existing technical problems, and the technical scheme disclosed in the patent document is as follows: a quenching device for steelmaking in a steel plant comprises a tank body, wherein a placing frame for placing materials is arranged above the tank body, the placing frame is adjusted in height through a winding component arranged on a fixing frame connected with one side of the tank body, and a water circulation component is arranged on one side of the tank body; the positive terminal surface of cell body is connected with the chip removal box that has outside extension and be connected with the cell body inner chamber, and the lower terminal surface intercommunication of chip removal box has a plurality of play bits pipes that have the valve, the filter frame that the slope set up can be dismantled to the cell body inner wall, and the unloading end of filter frame corresponds with the lower port of chip removal box open end and is connected.

In the actual use process, the following problems can occur in the technical scheme:

(1) The quenching apparatus for steel making is just placed in the frame, but the just-coming surface temperature of the just-coming out furnace is extremely high, and the placing frame cannot bear the temperature.

(2) This quenching device for steelmaking does not set up a filter equipment, and a lot of floater and debris can appear in the pond after carrying out the quenching, need filter it.

Disclosure of Invention

The present invention provides a quenching apparatus for steel making to solve the problems of the background art.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a guenching unit for steelmaking, includes elevating gear, elevating gear's below fixed mounting presss from both sides and gets the device, the below of pressing from both sides the device and be located elevating gear's top fixed mounting has the quenching bath mechanism, the rear side fixed mounting of quenching bath mechanism has cooling water mechanism, elevating gear's bottom movable mounting has waste water filter equipment.

The clamping device comprises a sliding block, and the outer walls of the left side and the right side of the sliding block are connected with the inner wall of the second sliding block in a sliding mode.

The water cooling mechanism comprises a water storage tank, a rotating shaft is rotatably connected to the middle position inside the water storage tank, and a filter frame is fixedly connected to the outer surface of the rotating shaft.

The waste water filtering device comprises a drain pipe, and the inner wall of the drain pipe is movably connected with the outer wall of the filtering shell.

The technical scheme of the invention is further improved as follows: the lifting device comprises a guide rail, wherein the front side and the rear side of the bottom of the right side of the guide rail are fixedly connected with bases, the front side and the rear side of the right side of the guide rail are respectively connected with a first sliding block and a rear side, the front side of the first sliding block is fixedly connected with a connecting rod, the front side of the connecting rod is fixedly connected to the back side of the first sliding block on the front side, a supporting plate is fixedly connected to the right side of the first sliding block, and a fixing plate is fixedly connected to the bottom of the supporting plate.

The technical scheme of the invention is further improved as follows: the bottom of second sliding block is equal fixedly connected with anchor clamps mechanism, the rear side the first telescopic link of positive fixedly connected with of anchor clamps mechanism, the positive swing joint of first telescopic link has telescopic machanism, telescopic machanism's positive swing joint has the second telescopic link, the positive fixed connection of second telescopic link is on the back of front side anchor clamps mechanism.

The technical scheme of the invention is further improved as follows: the fixture mechanism comprises a clamping plate, anti-slip pads are arranged on the left side and the right side of the inner wall of the clamping plate, fixing blocks are fixedly connected to the left side and the right side of the bottom of the clamping plate, fixing columns are fixedly connected to the inner portions of the fixing blocks, and anti-falling baffles are movably connected to the outer walls of the fixing columns.

The technical scheme of the invention is further improved as follows: the quenching bath mechanism comprises a quenching bath main body, the position, close to four corners, of the bottom side in the quenching bath main body is rotatably connected with a rotator, the bottom side in the quenching bath main body is fixedly connected with a wastewater outlet, and the upper side of the right side of the quenching bath main body is fixedly connected with a cooling water inlet.

The technical scheme of the invention is further improved as follows: the left side fixedly connected with outlet pipe of tank, the left side fixedly connected with water pump of outlet pipe, the left side fixedly connected with inlet tube of water pump, the left side fixedly connected with cooling water pitcher of inlet tube, and the inside of cooling water pitcher is provided with the cooling water import.

The technical scheme of the invention is further improved as follows: the filter comprises a filter shell, a first filter plate fixedly connected to the right side of the filter shell, a second filter plate fixedly connected to the left side of the first filter plate, a second filter plate located on the right side of the inside of the filter shell, a filter cylinder fixedly connected to the left side of the second filter plate, and a rotating column rotatably connected to the right side of the inside of the filter cylinder.

The technical scheme of the invention is further improved as follows: the outer fixed surface of rotation post is connected with arc fixed plate, fixedly connected with scraper blade on the outer wall of arc fixed plate, fixedly connected with fixed cover on the left side outer wall of rotation post, fixedly connected with rotating vane on the surface of fixed cover.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:

1. the invention provides a quenching device for steelmaking, wherein a clamping device is arranged on the device, steel can be clamped and slidingly immersed in a quenching tank through a sliding block, a second sliding block, a clamp mechanism, a first telescopic rod, a telescopic mechanism, a second telescopic rod, a clamping plate, a non-slip mat, a fixed block, a fixed column and an anti-falling baffle, the inclined surface is arranged inside the fixed block, the anti-falling baffle is clamped, the steel clamped above the anti-falling baffle is not easy to fall off, and the clamping effect is better.

2. The invention provides a quenching device for steelmaking, which is provided with a cooling water device, wherein the cooling water device is arranged on the device, internal water can be filtered by stirring through a water storage tank, a rotating shaft, a filter frame, a water outlet pipe, a water pump, a water inlet pipe and a cooling water tank, the internal water is pumped into the cooling water tank through the water pump to be rapidly cooled, and finally flows into a quenching tank to be better quenched for steel, and a rotator is arranged in the quenching tank to stir internal water flow to form a vortex, so that water near the steel is circulated, and the quenching effect is prevented from being influenced by overheating of the water near the steel.

3. The invention provides a quenching device for steelmaking, which is provided with a waste water filtering device, wherein the waste water filtering device is provided with a drain pipe, a filtering shell, a first filtering plate, a second filtering plate, a filtering cylinder, a rotating column, an arc-shaped fixing plate, a scraper, a fixing sleeve and a rotating blade, so that the rotating column can be driven to rotate by flowing waste water, a plurality of sundries are accumulated in the filtering cylinder to block filtering holes, and the filtering holes are poked out by the rotation of the scraper, thereby better flowing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the grasping apparatus of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a portion of the structure of FIG. 3 according to the present invention;

FIG. 5 is a schematic view showing the construction of the wastewater filtering apparatus of FIG. 2 according to the present invention;

FIG. 6 is a schematic view of the internal structure of FIG. 5 according to the present invention;

fig. 7 is a schematic structural view of the cooling water mechanism of fig. 1 according to the present invention.

In the figure: 1. a lifting device; 2. a gripping device; 3. a quenching bath mechanism; 4. a cooling water mechanism; 5. a wastewater filtration device; 11. a guide rail; 12. a base; 13. a first slider; 14. a connecting rod; 15. a support plate; 16. a fixing plate; 21. a slider; 22. a second slider; 23. a clamp mechanism; 24. a first telescopic rod; 25. a telescoping mechanism; 26. a second telescopic rod; a1, clamping a plate; a2, a non-slip mat; a3, fixing blocks; a4, fixing columns; a5, a falling-preventing baffle; 31. a quenching bath main body; 32. a rotator; 33. a waste water outlet; 34. a cooling water inlet; 41. a water storage tank; 42. a rotating shaft; 43. a filter frame; 44. a water outlet pipe; 45. a water pump; 46. a water inlet pipe; 47. a cooling water tank; 51. a drain pipe; 52. a filter housing; 53. a first filter plate; 54. a second filter plate; 55. a filtration cylinder; 56. rotating the column; b1, arc-shaped fixing plates; b2, a scraper blade; b3, fixing a sleeve; b4, rotating the blade.

Detailed Description

Referring to fig. 1-7, the present invention provides a technical solution: a quenching device for steelmaking comprises a lifting device 1, a clamping device 2 is fixedly arranged below the lifting device 1, the clamping device 2 is arranged on the device, steel can be clamped and slidingly immersed in a quenching bath through a sliding block 21, a second sliding block 22, a clamp mechanism 23, a first telescopic rod 24, a telescopic mechanism 25, a second telescopic rod 26, a clamping plate a1, an anti-slip pad a2, a fixing block a3, a fixing column a4 and an anti-falling baffle a5 which are arranged, the inner part of the arranged fixing block a3 is provided with an inclined plane, the anti-falling baffle a5 is clamped, the steel clamped above the anti-falling baffle a5 is not easy to fall, the clamping effect is better, a quenching bath mechanism 3 is fixedly arranged below the clamping device 2 and positioned at the top of the lifting device 1, a cooling water mechanism 4 is fixedly arranged at the rear side of the quenching bath mechanism 3, and a cooling water device 4 is arranged on the device, through the arrangement of the water storage tank 41, the rotating shaft 42, the filter frame 43, the water outlet pipe 44, the water pump 45, the water inlet pipe 46 and the cooling water tank 47, internal water can be filtered through stirring, and then is pumped into the cooling water tank 47 through the water pump 45 to be rapidly cooled, and finally flows into the quenching tank to better quench steel, and the rotator 32 arranged in the quenching tank can stir the internal water flow to form a vortex, so that water near the steel is circulated, and the quenching effect influenced by overheating of the water near the steel is avoided, the bottom of the lifting device 1 is movably provided with the wastewater filtering device 5, the wastewater filtering device 5 is arranged on the device, and the rotating column 56 can be driven to rotate through flowing wastewater through the arranged drain pipe 51, the filter shell 52, the first filter plate 53, the second filter plate 54, the filter cylinder 55, the rotating column 56, the arc-shaped fixing plate b1, the scraper b2, the fixing sleeve b3 and the rotating blade b4, so that a lot of sundries accumulated in the filtering cylinder 55 block the filtering holes, and the sundries are pulled out by the rotation of the scraper b2 to flow better.

In the invention, the lifting device 1 comprises a guide rail 11, the front side and the rear side of the right bottom of the guide rail 11 are fixedly connected with a base 12, the front side and the rear side of the right side of the guide rail 11 are slidably connected with first sliding blocks 13, the front side of each rear first sliding block 13 is fixedly connected with a connecting rod 14, the front side of each connecting rod 14 is fixedly connected to the back side of each front first sliding block 13, the right side of each first sliding block 13 is fixedly connected with a supporting plate 15, and the bottom of each supporting plate 15 is fixedly connected with a fixing plate 16.

Preferably, the clamping device 2 comprises a sliding block 21, outer walls of the left side and the right side of the sliding block 21 are in sliding connection with inner walls of a second sliding block 22, the bottom of the second sliding block 22 is fixedly connected with a clamp mechanism 23, the front of a rear clamp mechanism 23 is fixedly connected with a first telescopic rod 24, the front of the first telescopic rod 24 is movably connected with a telescopic mechanism 25, the front of the telescopic mechanism 25 is movably connected with a second telescopic rod 26, the front of the second telescopic rod 26 is fixedly connected with the back of the front clamp mechanism 23, the clamp mechanism 23 comprises a clamping plate a1, anti-skid pads a2 are arranged on the left side and the right side of the inner wall of the clamping plate a1, fixed blocks a3 are fixedly connected on the left side and the right side of the bottom of the clamping plate a1, and an inclined plane is arranged inside the fixed blocks a3, make the baffle a5 that prevents falling block and block, the steel that its top was cliied is difficult for dropping, it is better to press from both sides the effect of getting, the inside fixedly connected with fixed column a4 of fixed block a3, swing joint has baffle a5 that prevents falling on the outer wall of fixed column a4, install one kind on the device and press from both sides and get device 2, slider 21 through setting up, second sliding block 22, fixture device 23, first telescopic link 24, telescopic machanism 25, second telescopic link 26, grip block a1, slipmat a2, fixed block a3, fixed column a4 and baffle a5 that prevents falling, make can clip and slide steel and dip in the quenching bath, and the fixed block a3 inside that sets up to the inclined plane, make baffle a5 that prevents falling block, the steel that its top was cliied is difficult for dropping, it is better to press from both sides the effect of getting.

Further, the quenching bath mechanism 3 includes a quenching bath main body 31, the position of the inner bottom side of the quenching bath main body 31 near the four corners is rotatably connected with a rotator 32, and the rotator 32 is installed in the quenching bath to stir the inner water flow to form a vortex, so that the water near the steel is circulated, thereby preventing the water near the steel from overheating and affecting the quenching effect, the inner bottom side of the quenching bath main body 31 is fixedly connected with a waste water outlet 33, and the upper part of the right side of the quenching bath main body 31 is fixedly connected with a cooling water inlet 34. The special physical and chemical properties of ferromagnetism, corrosion resistance and the like of certain special steel can be met through quenching.

Further, the cooling water mechanism 4 includes a water storage tank 41, the inside middle position of the water storage tank 41 is rotatably connected with a rotating shaft 42, a filter frame 43 is fixedly connected to the outer surface of the rotating shaft 42, a water outlet pipe 44 is fixedly connected to the left side of the water storage tank 41, a water pump 45 is fixedly connected to the left side of the water outlet pipe 44, a water inlet pipe 46 is fixedly connected to the left side of the water pump 45, a cooling water tank 47 is fixedly connected to the left side of the water inlet pipe 46, and a cooling water inlet 34 is formed in the cooling water tank 47.

Further, the wastewater filtering device 5 comprises a drain pipe 51, the inner wall of the drain pipe 51 is movably connected with the outer wall of the filtering shell 52, the right side of the filtering shell 52 is fixedly connected with a first filtering plate 53, the left side of the first filtering plate 53 is fixedly connected with a second filtering plate 54, the second filtering plate 54 is positioned on the inner right side of the filtering shell 52, the left side of the second filtering plate 54 is fixedly connected with a filtering cylinder 55, a lot of sundries are accumulated inside the filtering cylinder 55 to block filtering holes, the sundries are separated through the rotation of the scraping plate b2, the inner right side of the better flowing filtering cylinder 55 is rotatably connected with a rotating cylinder 56, the outer surface of the rotating cylinder 56 is fixedly connected with an arc-shaped fixing plate b1, the outer wall of the arc-shaped fixing plate b1 is fixedly connected with a scraping plate b2, the left side outer wall of the rotating cylinder 56 is fixedly connected with a fixing sleeve b3, the outer surface of the fixing sleeve b3 is fixedly connected with a rotating blade b4, the wastewater filtering device 5 is installed on the device, the device can drive the filtering cylinder 55 to flow through the drain pipe 51, the filtering shell 52, the first filtering plate 53, the filtering cylinder 54, the filtering cylinder 55 can be driven by the rotating cylinder, and the collecting and the sundries can be driven to flow through the rotating cylinder 55, and the rotating cylinder.

The operation of the quenching apparatus for steel making will be described in detail below.

As shown in fig. 1 to 7, firstly, the rotating shaft 42 is started to drive the filter frame 43 to rotate, water inside the water storage tank 41 is filtered, water inside the water storage tank 41 is pumped out through the water pump 45, cooling water is rapidly formed in the cooling water tank 47, the cooling water is conveyed into the quenching tank main body 31 through the cooling water inlet 34, then the rotator 32 is started to stir the cooling water inside, then steel to be quenched is conveyed into the clamping plate a1, the steel is supported on the clamping plate through the rotating anti-falling baffle a5, then the guide rail 11 is electrified to drive the first sliding block 13 to move up and down, so that the steel is immersed in the cooling water in the quenching tank main body 31, after a while, quenching is completed, the waste water outlet 33 is opened, waste water flows into the drain pipe 51 and is filtered through the first filter plate 53, the second filter plate 54 and the filter cylinder 55, and the rotating column 56 is driven to rotate due to the flow of water, so that impurities on the inner wall of the filter cylinder 55 are pushed away by the scraper b2, so as to avoid blocking, and finally the filter shell 52 is detached.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims

1. A quenching device for steelmaking comprises a lifting device (1), and is characterized in that: a clamping device (2) is fixedly arranged below the lifting device (1), a quenching bath mechanism (3) is fixedly arranged below the clamping device (2) and positioned at the top of the lifting device (1), a cooling water mechanism (4) is fixedly arranged at the rear side of the quenching bath mechanism (3), and a wastewater filtering device (5) is movably arranged at the bottom of the lifting device (1);

the clamping device (2) comprises a sliding block (21), and the outer walls of the left side and the right side of the sliding block (21) are in sliding connection with the inner wall of a second sliding block (22);

the cooling water mechanism (4) comprises a water storage tank (41), a rotating shaft (42) is rotatably connected to the middle position in the water storage tank (41), and filter frames (43) are fixedly connected to the outer surfaces of the rotating shaft (42);

the waste water filtering device (5) comprises a drain pipe (51), and the inner wall of the drain pipe (51) is movably connected with the outer wall of the filtering shell (52).

2. The quenching apparatus for steel making as claimed in claim 1, wherein: elevating gear (1) includes guide rail (11), the equal fixedly connected with base in both sides (12) around the right side bottom of guide rail (11), the equal sliding connection in both sides has first sliding block (13), the rear side around the right side of guide rail (11) the positive fixedly connected with connecting rod (14) of first sliding block (13), and the positive fixed connection of connecting rod (14) is on the back of the first sliding block (13) of front side, the equal fixedly connected with backup pad (15) in right side of first sliding block (13), the equal fixedly connected with fixed plate (16) in bottom of backup pad (15).

3. The quenching apparatus for steel making according to claim 1, wherein: the equal fixedly connected with anchor clamps mechanism (23) in bottom of second sliding block (22), the rear side the first telescopic link of positive fixedly connected with (24) of anchor clamps mechanism (23), the positive swing joint of first telescopic link (24) has telescopic machanism (25), the positive swing joint of telescopic machanism (25) has second telescopic link (26), the positive fixed connection of second telescopic link (26) is on the back of front side anchor clamps mechanism (23).

4. The quenching apparatus for steel making as claimed in claim 3, wherein: the fixture mechanism (23) comprises a clamping plate (a 1), anti-slip pads (a 2) are arranged on the left side and the right side of the inner wall of the clamping plate (a 1), fixing blocks (a 3) are fixedly connected to the left side and the right side of the bottom of the clamping plate (a 1), fixing columns (a 4) are fixedly connected to the inner portions of the fixing blocks (a 3), and anti-falling baffles (a 5) are movably connected to the outer walls of the fixing columns (a 4).

5. The quenching apparatus for steel making according to claim 1, wherein: the quenching bath mechanism (3) comprises a quenching bath main body (31), rotators (32) are rotatably connected to the positions, close to four corners, of the bottom side in the quenching bath main body (31), a wastewater outlet (33) is fixedly connected to the bottom side in the quenching bath main body (31), and a cooling water inlet (34) is fixedly connected to the upper portion of the right side of the quenching bath main body (31).

6. The quenching apparatus for steel making according to claim 1, wherein: the left side fixedly connected with outlet pipe (44) of tank (41), the left side fixedly connected with water pump (45) of outlet pipe (44), the left side fixedly connected with inlet tube (46) of water pump (45), the left side fixedly connected with cooling water pitcher (47) of inlet tube (46), and the inside of cooling water pitcher (47) is provided with cooling water import (34).

7. The quenching apparatus for steel making according to claim 1, wherein: the filter comprises a filter shell (52), a first filter plate (53) fixedly connected to the right side of the filter shell (52), a second filter plate (54) fixedly connected to the left side of the first filter plate (53), the second filter plate (54) is located on the right side of the inside of the filter shell (52), a filter cylinder (55) is fixedly connected to the left side of the second filter plate (54), and a rotating column (56) is rotatably connected to the right side of the inside of the filter cylinder (55).

8. The quenching apparatus for steel making as claimed in claim 7, wherein: the outer fixed surface who rotates post (56) is connected with arc fixed plate (b 1), fixedly connected with scraper blade (b 2) on the outer wall of arc fixed plate (b 1), fixed cover (b 3) of fixedly connected with on the left side outer wall of rotation post (56), fixedly connected with rotating vane (b 4) on the outer surface of fixed cover (b 3).