CN215902697U - Residual molten iron treatment device for centrifugal nodular cast iron pipe casting - Google Patents

Abstract

The utility model discloses a device for treating residual molten iron in casting of a centrifugal nodular cast iron pipe, which comprises a molten iron launder, wherein a residual iron channel pipe is arranged below the molten iron launder, a supporting table is arranged below the residual iron channel pipe, a residual iron collecting assembly is arranged on the supporting table, a cooling water pipe beside the residual iron channel pipe faces the residual iron collecting assembly, and a floating water collecting assembly is arranged beside the supporting table. This remaining iron liquid processing apparatus of centrifugal nodular cast-iron pipe casting, the bucket is collected to incomplete iron, after filling the incomplete iron after the cooling, start traction motor and drive the wire rope and remove, the bucket is collected to incomplete iron and shift out, No. two incomplete iron are collected the bucket and are continued to be collected the incomplete iron, the bucket is collected to incomplete iron and shift out, No. two incomplete iron are collected the bucket and are come and go used repeatedly through drawing, the incomplete iron dries the electric stove retrieval and utilization again after the breakage, rivers that overflow to ground, the ditch is collected to the main ditch that has tertiary sedimentation tank to ground surface float water, clear water after the sediment gathers centrifuge cooling circulating water return water pond through main ditch and recycles.

Description

Residual molten iron treatment device for centrifugal nodular cast iron pipe casting

Technical Field

The utility model relates to the technical field of residual molten iron treatment, in particular to a device for treating residual molten iron during casting of a centrifugal nodular cast iron pipe.

Background

During centrifugal nodular cast iron pipe casting, molten iron poured out from a fan-shaped bag at a given tipping speed is conveyed to the inner wall of a pipe die which rotates at a high speed and descends along with a host machine, the molten iron is uniformly distributed on the inner wall of the pipe die by centrifugal force to form the cast iron pipe, when the molten iron leaves a pipe die socket after the casting of the chute is completed, the residual molten iron of the chute needs to be cooled and solidified, a residual iron channel is generally arranged under a casting position by adopting a chute elbow, a cylindrical cast iron pipe head is arranged under the residual iron channel for collection, the diameter of the pipe head is 800mm, the height of the pipe head is 1000mm, and the bottom of the pipe head and the outer side of the circumference are filled with sand to prevent the molten high-temperature molten iron from melting the pipe head to cause the overflow of the molten iron and cause accidents. The method has two defects, namely, the cost is high, and the weight of the residual molten iron collecting pipe head after being fully collected is as follows: 3.14 × 0.4 × 1 × 7860 ═ 3948Kg, and two general production runs of two centrifuges per day require the consumption of 8 tips, about 32 tons. The pipe head is bonded with sand, the weight is heavy, the furnace cannot be returned, and only the selling is carried out, about 400 yuan is lost per ton of residual iron in the selling process through financial measurement, and about 460 ten thousand (32 x 400 x 30 x 12) is lost per year; secondly, the consumption of non-renewable resources is large, about 5 percent of sand padding is required to be consumed for each ton of residual iron, and 576 tons (32, 30, 12 and 5 percent) are consumed each year

The problems that the cost for collecting the residual casting iron liquid of the centrifugal nodular cast iron pipe by sand padding of the pipe head is high, and the consumption of non-renewable resources is large are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a device for treating residual molten iron in casting of a centrifugal nodular cast iron pipe, which has the advantages that the residual iron after granulation can be recycled by 100 percent after being crushed, the two defects of high cost and large non-renewable resource consumption of collecting the residual molten iron in casting of the centrifugal nodular cast iron pipe by sand padding of a pipe head are thoroughly solved, and the problems in the prior art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a residual liquid iron processing apparatus of centrifugal nodular cast iron pipe casting, includes the molten iron launder, the below in molten iron launder is provided with the incomplete iron passageway pipe, and the below of incomplete iron passageway pipe is provided with the brace table, installs the incomplete iron on the brace table and collects the subassembly, and the condenser tube on one side of incomplete iron passageway pipe is towards the incomplete iron and collects the subassembly, and the brace table is provided with the float water on one side and collects the subassembly.

Preferably, the residual iron collecting assembly comprises a first residual iron collecting hopper, a second residual iron collecting hopper, a transverse moving trolley, a traction motor, a gearbox, a steel wire rope roller and a guide rail, the bottoms of the first residual iron collecting hopper and the second residual iron collecting hopper are connected with the transverse moving trolley, a roller of the transverse moving trolley is connected with a through transverse wheel shaft, the outer wall of the transverse moving trolley is connected with a supporting frame, the supporting frame is connected with a through transmission shaft, a limiting wheel is sleeved on the transmission shaft, and the transmission shaft and the transverse wheel shaft are meshed through a bevel gear;

the traction motor is connected with the gearbox, the gearbox is connected with the steel wire rope drum, a steel wire rope is wound on the steel wire rope drum, one end of the steel wire rope penetrates through the support table and is connected with one surface of the first residual iron collecting hopper and one surface of the second residual iron collecting hopper, and the other end of the steel wire rope is connected with the other surface of the second residual iron collecting hopper;

the bottom of brace table is passed through the pillar and is connected with the guide rail, has seted up the bar groove on the brace table, and the bar inslot is arranged in to a scrap iron collection fill and No. two scrap iron collection fill, and the both sides processing in bar groove has the spacing groove that supplies spacing wheel male, and the gyro wheel of lateral shifting dolly inserts in the guide rail.

Preferably, the assembly is collected to the float water includes that ground float water collects ditch, main ditch, return water sedimentation tank, annealing stove front return water pond, bilge well and sewage sedimentation tank, and ground float water collects the ditch and is located No. one the residual iron and collect fill and No. two residual iron and collect subaerial on one side of fighting, and ground float water collects the ditch and divides two the tunnel to return ditch and bilge well intercommunication with main respectively, and main ditch access return water sedimentation tank returns, and return water sedimentation tank divides two the tunnel to communicate with annealing stove front return water pond and bilge well respectively.

Preferably, an outer drainage gate valve is connected to a pipeline in front of the sewage sedimentation tank, and a sewage well gate valve is connected to a pipeline in front of a sewage well.

Preferably, the ports on two sides of the support platform are connected with convex pulleys, and the steel wire rope is sleeved on the pulleys.

Preferably, the connecting line of the first residual iron collecting hopper and the second residual iron collecting hopper is positioned right below the residual iron channel pipe.

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

the device for treating the residual iron liquid in the casting of the centrifugal nodular cast iron pipe comprises a first residual iron collecting hopper and a second residual iron collecting hopper, wherein a certain amount of molten iron falls into the first residual iron collecting hopper and the second residual iron collecting hopper below a platform through a socket residual iron channel pipe, the first residual iron collecting hopper is filled with cooled residual iron, a traction motor is started to drive a steel wire rope to move, the first residual iron collecting hopper is moved out, the second residual iron collecting hopper continues to collect residual iron, the first residual iron collecting hopper is transported to a designated area by a special forklift to pour out the residual iron and then returns to a standby position, the first residual iron collecting hopper is moved out, the second residual iron collecting hopper is repeatedly used by traction, the residual iron is dried and crushed and then added into an electric furnace for recycling, overflowed water flows to the ground and is collected to a main return ditch with a three-level sedimentation tank through a ground floating water collecting ditch, and precipitated clear water is collected to a centrifuge cooling and return water tank through the main return ditch for recycling, the granulated residual iron can be recycled for 100 percent after being crushed, and the device thoroughly solves the two defects of high cost and large non-renewable resource consumption of collecting the casting residual molten iron of the centrifugal nodular cast iron pipe by sand padding of the pipe head.

Drawings

FIG. 1 is an overall elevational view of the present invention;

FIG. 2 is an overall side view of the present invention;

FIG. 3 is a view showing the structure of the support table of the present invention;

FIG. 4 is a structural view of the lateral traveling carriage of the present invention;

fig. 5 is a structural view of a floating water collecting assembly of the present invention.

In the figure: 1. a molten iron launder; 2. a residual iron passage pipe; 3. a support table; 4. a scrap collecting assembly; 41. A first residual iron collecting hopper; 42. a second residual iron collecting hopper; 43. transversely moving the trolley; 431. a transverse axle; 432. a support frame; 4321. a drive shaft; 44. a traction motor; 45. a gearbox; 46. a wire rope drum; 47. a guide rail; 48. a wire rope; 5. a float water collection assembly; 51. a ground floating water collecting channel; 52. Main return ditch; 53. returning to a water sedimentation tank; 54. returning the water to a pool in front of the annealing furnace; 55. a bilge well; 56. a sewage sedimentation tank; 6. a cooling water pipe; 7. and a limiting wheel.

Detailed Description

The technical scheme in the embodiment of the utility model will be made clear below by combining the attached drawings in the embodiment of the utility model; fully described, it is to be understood that the described embodiments are merely a few, but not all embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a device for treating residual molten iron from centrifugal nodular cast iron pipe casting comprises a molten iron trough 1, a residual iron channel pipe 2 is arranged below the molten iron trough 1, a support table 3 is arranged below the residual iron channel pipe 2, a residual iron collecting assembly 4 is arranged on the support table 3, a cooling water pipe 6 beside the residual iron channel pipe 2 faces the residual iron collecting assembly 4, a connecting line of a first residual iron collecting hopper 41 and a second residual iron collecting hopper 42 is positioned right below the residual iron channel pipe 2, the first residual iron collecting hopper 41 and the second residual iron collecting hopper 42 are provided with a floating water collecting assembly 5 beside the support table 3 for ensuring that the safe cooling water pipe 6 is required to continuously inject water into the collecting hoppers after each time of use.

The high-temperature molten iron which meets the requirements after quenching and tempering and spheroidizing is continuously poured into a pipe die which rotates at a high speed and descends at a speed set by the process along with a host through a molten iron launder 1, the outer wall of the pipe die is cooled by circulating water with certain pressure to cool molten iron on the inner wall of the pipe die to form a nodular cast iron pipe, when the main machine reaches a low position, the molten iron launder 1 is separated from the tail end of the socket of the pipe die, a certain amount of molten iron still falls into a first residual iron collecting hopper 41 and a second residual iron collecting hopper 42 below the platform through the socket residual iron channel pipe 2, the collecting hoppers are filled with water in advance, the molten iron falls into the first residual iron collecting hopper 41 filled with water, and (4) instant cooling granulation, wherein in order to prevent the risk that the first residual iron collecting hopper 41 is easy to explode if the water amount of the first residual iron collecting hopper 41 is too small when high-temperature molten iron continuously flows into the first residual iron collecting hopper 41, an additionally arranged cooling water pipe 6 uninterruptedly injects water into the first residual iron collecting hopper 41.

The residual iron collecting component 4 comprises a first residual iron collecting bucket 41, a second residual iron collecting bucket 42, a transverse moving trolley 43, a traction motor 44, a gearbox 45, a steel wire rope roller 46 and a guide rail 47, wherein the bottoms of the first residual iron collecting bucket 41 and the second residual iron collecting bucket 42 are connected with the transverse moving trolley 43, the transverse moving trolley 43 reduces moving friction force, the first residual iron collecting bucket 41 and the second residual iron collecting bucket 42 are required to be filled with half of the volume of water at least before being used every time, otherwise, explosion accidents are easily caused due to insufficient cooling water when the residual iron collecting bucket is just started to be used, a roller of the transverse moving trolley 43 is connected with a through transverse wheel shaft 431, the outer wall of the transverse moving trolley 43 is connected with a supporting frame 432, the supporting frame 432 is connected with a through transmission shaft 4321, a limiting wheel 7 is sleeved on the transmission shaft 4321, the transmission shaft 4321 is meshed with the transverse wheel shaft 431 through a bevel gear, and achieves the purpose of transverse limiting through the limiting wheel 7, the rollers realize vertical limiting, and can not deviate in the moving process;

the traction motor 44 is connected with a gearbox 45, the gearbox 45 is connected with a steel wire rope roller 46, a steel wire rope 48 is wound on the steel wire rope roller 46, one end of the steel wire rope 48 penetrates through the support platform 3 and one side of the first residual iron collecting hopper 41 and one side of the second residual iron collecting hopper 42 to be connected, the other end of the steel wire rope 48 is connected with the other side of the second residual iron collecting hopper 42, convex pulleys are connected to ports on two sides of the support platform 3, and the steel wire rope 48 is sleeved on the pulleys;

first incomplete indisputable collection fill 41, filled with the incomplete indisputable after the cooling, start traction motor 44 and drive wire rope 48 and remove, No. one incomplete indisputable collection fill 41 shifts out, No. two incomplete indisputable collection fill 42 continues to collect the incomplete indisputable, No. one incomplete indisputable collection fill 41 is transported full fill by special fork truck and is poured the return and put the reserve position after the incomplete indisputable in the appointed region, No. one incomplete indisputable collection fill 41 shifts out, No. two incomplete indisputable collection fill 42 comes and goes used repeatedly through pulling, the incomplete indisputable dries and breaks the back and adds the electric stove retrieval and utilization again.

The bottom of brace table 3 is passed through the pillar and is connected with guide rail 47, has seted up the bar groove on the brace table 3, and the bar inslot is arranged in to a scrap iron collection fill 41 and No. two scrap iron collection fill 42, and the both sides processing in bar groove has the spacing groove that supplies spacing wheel 7 male, and the gyro wheel of lateral shifting dolly 43 inserts in the guide rail 47.

Referring to fig. 5, the floating water collecting assembly 5 includes a ground floating water collecting trench 51, a main return trench 52, a return water sedimentation tank 53, a front return water tank 54 of the annealing furnace, a sewage shaft 55 and a sewage sedimentation tank 56, the ground floating water collecting trench 51 is located on the ground beside the first residual iron collecting hopper 41 and the second residual iron collecting hopper 42, the ground floating water collecting trench 51 is divided into two paths to be respectively communicated with the main return trench 52 and the sewage sedimentation tank 56, the main return trench 52 is connected to the return water sedimentation tank 53, the return water sedimentation tank 53 is divided into two paths to be respectively communicated with the front return water tank 54 of the annealing furnace and the sewage shaft 55, a pipeline in front of the sewage sedimentation tank 56 is connected with an external discharge gate valve, a pipeline in front of the sewage shaft 55 is connected with a sewage shaft gate valve, water overflowing from the first residual iron collecting hopper 41 flows to the ground, the main return trench 52 with a third-stage sedimentation tank is collected through the ground floating water collecting trench 51, and the settled clean water is collected to the circulating water cooling water tank through the main return trench 52 for recycling, once the backwater is polluted (possibly caused by oil leakage of a hydraulic system of the pipe drawing machine), a sewer well gate valve and an outer drainage gate valve can be opened, the polluted water is discharged to a sewage system for treatment, and the cooling water circulating system of the pipe drawing machine is prevented from being polluted.

In summary, the following steps: in the device for treating the residual iron liquid in the casting of the centrifugal nodular cast iron pipe, a certain amount of molten iron falls into a first residual iron collecting hopper 41 and a second residual iron collecting hopper 42 below a platform through a socket residual iron channel pipe 2, after the first residual iron collecting hopper 41 is filled with cooled residual iron, a traction motor 44 is started to drive a steel wire rope 48 to move, the first residual iron collecting hopper 41 is moved out, the second residual iron collecting hopper 42 continues to collect the residual iron, the first residual iron collecting hopper 41 is transported to a designated area by a special forklift to pour the residual iron out and then returns to a standby position, the first residual iron collecting hopper 41 is moved out, the second residual iron collecting hopper 42 is repeatedly used by traction, the residual iron is dried and crushed and then is added into an electric furnace for recycling, overflowed water flows to the ground and is collected to a main return ditch 52 with a three-level sedimentation tank through a ground floating water collecting ditch 51, and the precipitated clear water is collected to a cooling circulating water tank through the main return ditch 52 for recycling, the granulated residual iron can be recycled for 100 percent after being crushed, and the device thoroughly solves the two defects of high cost and large non-renewable resource consumption of collecting the casting residual molten iron of the centrifugal nodular cast iron pipe by sand padding of the pipe head.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the term "includes"; "comprises," "comprising," or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a process that comprises a list of elements; a method; an article or apparatus may comprise not only those elements but also other elements not expressly listed or embodied as such; a method; an article or an apparatus.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model; modifying; alternatives and modifications, the scope of the utility model being defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a residual liquid iron processing apparatus of centrifugal nodular cast iron pipe casting, includes molten iron launder (1), its characterized in that: the utility model discloses a molten iron launder, including molten iron launder (1), incomplete iron passageway pipe (2) are provided with in the below of incomplete iron passageway pipe (2) and prop up supporting bench (3), install incomplete iron on propping up supporting bench (3) and collect subassembly (4), and incomplete iron passageway pipe (2) cooling water pipe (6) on one side are towards incomplete iron and collect subassembly (4), prop up supporting bench (3) and are provided with on one side and float water and collect subassembly (5).

2. The device for treating the residual molten iron produced by casting the centrifugal ductile cast iron pipe according to claim 1, wherein: the residual iron collecting assembly (4) comprises a first residual iron collecting hopper (41), a second residual iron collecting hopper (42), a transverse moving trolley (43), a traction motor (44), a gearbox (45), a steel wire rope roller (46) and a guide rail (47), the bottoms of the first residual iron collecting hopper (41) and the second residual iron collecting hopper (42) are connected with the transverse moving trolley (43), a roller of the transverse moving trolley (43) is connected with a penetrating transverse wheel shaft (431), the outer wall of the transverse moving trolley (43) is connected with a support frame (432), the support frame (432) is connected with a penetrating transmission shaft (4321), a limiting wheel (7) is sleeved on the transmission shaft (4321), and the transmission shaft (4321) is meshed with the transverse wheel shaft (431) through a bevel gear;

the traction motor (44) is connected with the gearbox (45), the gearbox (45) is connected with the steel wire rope roller (46), the steel wire rope (48) is wound on the steel wire rope roller (46), one end of the steel wire rope (48) penetrates through the support platform (3) to be connected with one surfaces of the first residual iron collecting hopper (41) and the second residual iron collecting hopper (42), and the other end of the steel wire rope (48) is connected with the other surface of the second residual iron collecting hopper (42);

the bottom of brace table (3) is connected with guide rail (47) through the pillar, has seted up the bar groove on brace table (3), and the bar inslot is arranged in to No. one scrap iron collection fill (41) and No. two scrap iron collection fill (42), and the both sides processing in bar groove has the spacing groove that supplies spacing wheel (7) male, and the gyro wheel of lateral shifting dolly (43) inserts in guide rail (47).

3. The device for treating the residual molten iron produced by casting the centrifugal ductile cast iron pipe according to claim 1, wherein: the floating water collecting assembly (5) comprises a ground floating water collecting channel (51), a main return channel (52), a return water sedimentation tank (53), a return water tank (54) in front of the annealing furnace, a sewage well (55) and a sewage sedimentation tank (56), wherein the ground floating water collecting channel (51) is positioned on the ground beside a first residual iron collecting hopper (41) and a second residual iron collecting hopper (42), the ground floating water collecting channel (51) is communicated with the main return channel (52) and the sewage sedimentation tank (56) in two ways, the main return channel (52) is connected into the return water sedimentation tank (53), and the return water sedimentation tank (53) is communicated with the return water tank (54) and the sewage well (55) in front of the annealing furnace in two ways.

4. The device for treating the residual molten iron in the centrifugal ductile cast iron pipe casting process according to claim 3, wherein the device comprises: an outer drainage gate valve is connected to a pipeline in front of the sewage sedimentation tank (56), and a sewer well gate valve is connected to a pipeline in front of the sewer well (55).

5. The device for treating the residual molten iron produced by casting the centrifugal ductile cast iron pipe according to claim 1, wherein: the ports on the two sides of the supporting platform (3) are connected with convex pulleys, and the steel wire ropes (48) are sleeved on the pulleys.

6. The device for treating the residual molten iron in the centrifugal ductile cast iron pipe casting process according to claim 2, wherein: and a connecting line of the first residual iron collecting hopper (41) and the second residual iron collecting hopper (42) is positioned right below the residual iron channel pipe (2).

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