CN210292772U

CN210292772U - Shaft water-cooling finger device

Info

Publication number: CN210292772U
Application number: CN201920822578.3U
Authority: CN
Inventors: 代军峰
Original assignee: Xi'an Dongfang Huachang Metallurgical Equipment Ltd By Share Ltd
Current assignee: Xiye Technology Group Co., Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-10
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a shaft water-cooling finger device, the new ecological electric arc furnace of cooperation uses, and the device includes hydro-cylinder seat and switching hydro-cylinder, total return water tank is installed to the rear end of hydro-cylinder seat, and the below of total return water tank installs into the return water rubber tube, it points to be connected with the water-cooling to advance the return water rubber tube, first rotatory ear seat is all installed to the left and right sides of hydro-cylinder seat, and just one side that hydro-cylinder seat was kept away from to first rotatory ear seat installs the swinging boom, the inside rotatory ear seat of second that is provided with of one end that the switching hydro-cylinder is close to the swinging boom, and the switching hydro-cylinder is located the middle part of swinging boom, buffer is installed to the below of swinging boom, and buffer's below installs sealing device, the water-cooling finger. This buffer that shaft water-cooling finger device set up, when the steel scrap blanking on the device, sheathed tube axis compression spring is followed to the push rod, and at this moment, the thrust that the spring can effectual buffering push rod was applyed, and then can effectually alleviate the impact of steel scrap to the device.

Description

Shaft water-cooling finger device

Technical Field

The utility model relates to a metallurgical steelmaking technical field specifically is a shaft water-cooling finger device, and the new ecological electric arc furnace of cooperation uses.

Background

A large amount of scrap steel resources are generated every year in China, an electric arc furnace is built in a steel mill for melting scrap steel at the initial stage, the scrap steel is preheated by utilizing gas generated by a primary smelting furnace and is continuously added into the electric arc furnace, high-temperature scrap steel is contacted with molten steel at the temperature in the electric arc furnace, and the electric arc heating function of the electric arc furnace, the scrap steel can be melted quickly, and is fed into a furnace cold zone for oxygen lance spraying and burning, so that the scrap steel at a blanking position is not agglomerated or unmelted and accumulated, the molten steel meeting the process requirements is qualified through smelting, the scrap steel conveyed from the scrap steel by a scrap steel inclined bridge feeding device is jacked into a vertical shaft through an oil cylinder at the bottom of a conveying trolley, one side of the vertical shaft is led to a dust removal fan through a water cooling flue, heat in the electric arc furnace is pumped into the vertical shaft for preheating the scrap steel in the vertical shaft, and the preheated scrap steel.

Neoecological electric arc furnace abnormal shape furnace body side top sets up the shaft for temporary storage steel scrap, and can pass through the fan with the flue gas in the electric arc furnace and take out to the shaft in, preheat storage steel scrap, the shaft is storage space, water-cooling finger device is closing mechanism, in addition, water-cooling finger device bottom is directly toasted by the molten steel, upper portion is strikeed by high-order steel scrap whereabouts, and the water-cooling finger is closely sealed with the shaft will the stroke, so, this water-cooling finger device plays crucial effect in neoecological electric arc furnace, to above-mentioned condition, carry out technical innovation on current shaft water-cooling finger device basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaft water-cooling finger device to propose in solving above-mentioned background art that the special-shaped furnace body side top of new ecological electric arc furnace sets up the shaft, be used for temporary storage steel scrap, and can take out the flue gas in the electric arc furnace to the shaft in through the fan, preheat the storage steel scrap, the shaft is storage space, and water-cooling finger device is the closing mechanism. In addition, the bottom of the water-cooling finger device is directly roasted by molten steel, the upper part of the water-cooling finger device is impacted by the falling of high-position scrap steel, and the stroke of the water-cooling finger and the vertical shaft is tightly closed. Therefore, the water-cooled finger device plays a crucial role in a nascent electric arc furnace.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shaft water-cooling finger device, includes hydro-cylinder seat and switching hydro-cylinder, total return water tank is installed to the rear end of hydro-cylinder seat, and the below of total return water tank installs into the return water rubber tube, it points to be connected with the water-cooling to advance the return water rubber tube, first rotatory ear seat is all installed to the left and right sides of hydro-cylinder seat, and one side that the hydro-cylinder seat was kept away from to first rotatory ear seat installs the swinging boom, the switching hydro-cylinder is close to the inside rotatory ear seat of second that is provided with of one end of swinging boom, and the switching hydro-cylinder is located the middle part of swinging boom, buffer is installed to the below of swinging boom, and buffer's below installs sealing device, water-cooling finger is installed.

Preferably, the cylinder base forms a rotating structure through the first rotating lug and the rotating arms, and the rotating arms are symmetrically distributed around the vertical center line of the cylinder base.

Preferably, the rotating arm forms a rotating structure with the opening and closing oil cylinder through the second rotating lug seat, and the opening and closing oil cylinders are symmetrically distributed around the vertical center line of the oil cylinder seat.

Preferably, the buffering device comprises a push rod, a spring and a sleeve, the sleeve is installed below the push rod, the spring is arranged inside the sleeve, the push rod forms an elastic structure through the spring and the sleeve, and the inner width of the sleeve is larger than the outer width of the push rod.

Preferably, sealing device includes sealing frame, fixed frame and connecting bolt, the last trompil that holds the water-cooling finger that is provided with of sealing frame, fixed frame is installed to sealing frame's front end, and fixed frame's inside is provided with connecting bolt, sealing frame passes through the cooperation between connecting bolt and the fixed frame and the water-cooling finger constitutes detachable construction, and the water-cooling finger runs through in sealing frame's front end edge.

Preferably, the water-cooling finger is including pointing upper portion, water inlet, finger lower part and return water mouth, and the rear end on finger upper portion installs the return water mouth, the water inlet is installed to the below of return water mouth, and the rear end of water inlet installs and points the lower part, the outside on finger upper portion is half rhombus structure, and the cross section that points the lower part simultaneously sets up to half arc.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of switching hydro-cylinder, switching hydro-cylinder can effectually promote the swinging boom to rotate along the outside of first rotatory ear seat through second rotatory ear seat, when the switching hydro-cylinder was opened, keep away from each other between the swinging boom, at this moment, the device is in the state of opening, and when the switching hydro-cylinder was closed, the swinging boom was close to each other between, at this moment, the device was in the state of closing, can the opening and closing of effectual control device through the switching hydro-cylinder;

2. the utility model discloses a setting of buffer, when the steel scrap blanking on the device, the push rod compresses the spring along sheathed tube axis, at this moment, the spring can effectually cushion the thrust that the push rod exerted, and then can effectually alleviate the impact of steel scrap to the device, can the life-span of effectual extension fixture, the sealing device who sets up, when using the device, need pass the device in the shaft wall pipeline gets into the shaft, and this department needs reliable sealing, the sealing device is formed by the welding of heat-resisting steel sheet, pass through high strength bolted connection with the shaft wall pipeline on the shaft wall, the cooperation water-cooling finger shape is equipped with the trompil in the middle of the sealing device, guarantee that the water-cooling finger passes and reach sealed effect simultaneously;

3. the utility model discloses a setting of water-cooling finger, finger upper portion is strikeed by high-order steel scrap whereabouts, the finger lower part is directly toasted by the interior molten steel of furnace, must guarantee certain intensity, high temperature resistant again, the operating mode is very abominable, finger upper portion is set up into half rhombus shape by the high strength steel sheet, can absorb the buffer power of partly upper portion steel scrap blanking, the finger lower part is cut into half arc by the heat-resisting steel pipe of semicircle, high temperature flue gas can be more smooth and easy get into the upper portion steel scrap through the gap and pile, reach better preheating effect.

Drawings

FIG. 1 is a schematic view of the finger closed state structure of the present invention;

FIG. 2 is a schematic view of the structure of the finger-open state of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of a single-side finger half-section structure of the present invention;

fig. 5 is a schematic view of the finger section structure of the present invention.

In the figure: 1. a cylinder block; 2. a total water return tank; 3. a first rotary ear mount; 4. a rotating arm; 5. a second rotary ear mount; 6. opening and closing the oil cylinder; 7. a buffer device; 701. a push rod; 702. a spring; 703. a sleeve; 8. a sealing device; 801. a heat-resistant steel plate; 802. opening a hole; 9. water-cooling the fingers; 901. an upper part of a finger; 902. a water inlet; 903. the lower part of the finger; 904. a water return port; 10. and a water inlet and return rubber pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a vertical shaft water-cooling finger device comprises an oil cylinder seat 1 and an opening and closing oil cylinder 6, wherein a total water return tank 2 is installed at the rear end of the oil cylinder seat 1, a water inlet and return rubber pipe 10 is installed below the total water return tank 2, the water inlet and return rubber pipe 10 is connected with a water-cooling finger 9, first rotating lug seats 3 are installed on the left side and the right side of the oil cylinder seat 1, a rotating arm 4 is installed on one side, far away from the oil cylinder seat 1, of each first rotating lug seat 3, the oil cylinder seat 1 forms a rotating structure through the space between the first rotating lug seats 3 and the rotating arm 4, and the rotating arms 4 are symmetrically distributed about the vertical central line of the oil cylinder seat 1;

a second rotary lug seat 5 is arranged inside one end of the opening and closing oil cylinder 6 close to the rotating arm 4, the opening and closing oil cylinder 6 is positioned in the middle of the rotating arm 4, the rotating arm 4 and the opening and closing oil cylinder 6 form a rotating structure through the second rotary lug seat 5, the opening and closing oil cylinders 6 are symmetrically distributed about the vertical central line of the oil cylinder seat 1, the opening and closing oil cylinder 6 can effectively push the rotating arm 4 to rotate along the outer part of the first rotary lug seat 3 through the second rotary lug seat 5, when the opening and closing oil cylinder 6 is opened, the rotating arms 4 are far away from each other, at the moment, the device is in an opened state, when the opening and closing oil cylinder 6 is closed, the rotating arms 4 are close to each other, at the moment, the device is in a closed state, a buffer device 7 is arranged below the rotating arm 4, a sealing device 8 is arranged below the buffer device 7, the, a sleeve 703 is arranged below the push rod 701, a spring 702 is arranged inside the sleeve 703, the push rod 701 forms an elastic structure with the sleeve 703 through the spring 702, the internal width of the sleeve 703 is larger than the external width of the push rod 701, when the device discharges waste steel, the push rod 701 compresses the spring 702 along the central axis of the sleeve 703, at the moment, the spring 702 can effectively buffer the thrust applied by the push rod 701, the impact of the waste steel on the device can be effectively reduced, and the service life of the device can be effectively prolonged;

the sealing device 8 comprises a sealing frame 801, a fixed frame 802 and connecting bolts 803, an opening for accommodating the water-cooling finger 9 is arranged on the sealing frame 801, the fixed frame 802 is arranged at the front end of the sealing frame 801, the connecting bolts 803 are arranged inside the fixed frame 802, the sealing frame 801 and the water-cooling finger 9 form a detachable structure through the matching between the connecting bolts 803 and the fixed frame 802, the water-cooling finger 9 penetrates through the front end edge of the sealing frame 801, when the device is used, the device needs to penetrate through a shaft wall pipeline into a shaft, and reliable sealing is needed at the position, the sealing device 8 is formed by wrapping the water-cooling finger 9 by the sealing frame 801 and the fixed frame 802 through the connecting bolts 803, and is connected with the shaft wall pipeline through high-strength bolts, so as to ensure that the water-cooling finger 9 penetrates through the shaft wall and achieve sealing effect, the water-cooling finger 9 is arranged at, the water-cooled finger 9 comprises an upper finger part 901, a water inlet 902, a lower finger part 903 and a water return port 904, a water return port 904 is arranged at the rear end of the upper finger portion 901, a water inlet 902 is arranged below the water return port 904, the back end of the water inlet 902 is provided with a lower part 903 of a finger, the outer part of the upper part 901 of the finger is in a semi-rhombus structure, meanwhile, the cross section of the lower part 903 of the finger is in a semi-arc shape, the upper part 901 of the finger is impacted by the falling of high-position scrap steel, the lower part 903 of the finger is directly baked by molten steel in a hearth, a certain strength is ensured, the finger is resistant to high temperature, the working condition is very poor, the upper part 901 of the finger is built into a semi-rhombus shape by high-strength steel plates, the buffer force of a part of upper waste steel blanking can be absorbed, the lower part 903 of the finger is cut into a semi-arc shape by a semicircular heat-resistant steel pipe, high-temperature smoke can smoothly enter the upper waste steel pile through a gap, and a good preheating effect is achieved.

The working principle is as follows: when the shaft water-cooling finger device is used, firstly, the device needs to penetrate through a shaft wall pipeline to enter a shaft, the position needs to be reliably sealed, the sealing device 8 is formed by wrapping the water-cooling finger 9 on the sealing frame 801 through the connecting bolt 803 and the fixed frame 802, and is connected with the pipeline on the shaft wall through the high-strength bolt, so that the water-cooling finger 9 can penetrate through the shaft wall to achieve a sealing effect, secondly, the opening and closing oil cylinder 6 is started, the opening and closing oil cylinder 6 can effectively push the rotating arm 4 to rotate along the outer part of the first rotating lug seat 3 through the second rotating lug seat 5, at the moment, the rotating arms 4 are far away from each other, the device is in an open state, then, when scrap steel on the device is discharged, the push rod 701 compresses the spring 702 along the central axis of the sleeve, at the moment, the spring 702 can effectively buffer the pushing force applied by the push, finally, the water-cooling finger 9 is required to be water-cooled due to poor working conditions, cold water in the main water return tank 2 is introduced into the water-cooling finger 9 through the water inlet and return rubber pipe 10 to circulate, and then enters the main water return tank 2 to achieve the purpose of cooling the water-cooling finger, so that the middle piping of the position is complex, a special finger platform is required to carry out daily maintenance, and the working principle of the vertical shaft water-cooling finger device is the working principle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shaft water-cooling finger device, includes hydro-cylinder seat (1) and switching hydro-cylinder (6), its characterized in that: total return water tank (2) are installed to the rear end of hydro-cylinder seat (1), and the below of total return water tank (2) is installed and is advanced return water rubber tube (10), advance return water rubber tube (10) and indicate (9) with the water-cooling and be connected, first rotatory ear seat (3) are all installed to the left and right sides of hydro-cylinder seat (1), and just one side that hydro-cylinder seat (1) was kept away from in first rotatory ear seat (3) installs swinging boom (4), switching hydro-cylinder (6) are close to one end inside of swinging boom (4) and are provided with the rotatory ear seat of second (5), and switching hydro-cylinder (6) are located the middle part of swinging boom (4), buffer (7) are installed to the below of swinging boom (4), and sealing device (8) are installed to the below of buffer (7), the water-cooling finger (9) is installed to the front end of sealing device (8).

2. The shaft water-cooling finger device as claimed in claim 1, wherein: the oil cylinder seat (1) forms a rotating structure through the first rotating lug seat (3) and the rotating arms (4), and the rotating arms (4) are symmetrically distributed about the vertical center line of the oil cylinder seat (1).

3. The shaft water-cooling finger device as claimed in claim 1, wherein: the rotating arm (4) forms a rotating structure through the second rotating lug seat (5) and the opening and closing oil cylinder (6), and the opening and closing oil cylinders (6) are symmetrically distributed about the vertical center line of the oil cylinder seat (1).

4. The shaft water-cooling finger device as claimed in claim 1, wherein: the buffer device (7) comprises a push rod (701), a spring (702) and a sleeve (703), the sleeve (703) is installed below the push rod (701), the spring (702) is arranged inside the sleeve (703), the push rod (701) forms an elastic structure through the spring (702) and the sleeve (703), and the inner width of the sleeve (703) is larger than the outer width of the push rod (701).

5. The shaft water-cooling finger device as claimed in claim 1, wherein: sealing device (8) are including sealing frame (801), fixed frame (802) and connecting bolt (803), be provided with the trompil that holds water-cooling finger (9) on sealing frame (801), fixed frame (802) are installed to the front end of sealing frame (801), and the inside of fixed frame (802) is provided with connecting bolt (803), sealing frame (801) constitute detachable construction through cooperation between connecting bolt (803) and fixed frame (802) and water-cooling finger (9), and water-cooling finger (9) run through in the front end edge of sealing frame (801).

6. The shaft water-cooling finger device as claimed in claim 1, wherein: water-cooling finger (9) are including pointing upper portion (901), water inlet (902), finger lower part (903) and return water mouth (904), and point the rear end of upper portion (901) and install return water mouth (904), water inlet (902) are installed to the below of return water mouth (904), and the rear end of water inlet (902) installs and point lower part (903), the outside that points upper portion (901) is half rhombus structure, and the cross section that points lower part (903) simultaneously sets up to half arc.