CN216192467U

CN216192467U - Energy-saving steelmaking converter of controllable temperature

Info

Publication number: CN216192467U
Application number: CN202122407371.XU
Authority: CN
Inventors: 宁铁晖; 刘继邦
Original assignee: Hangzhou Best Mould Technology Co ltd
Current assignee: Hangzhou Best Mould Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a temperature-controllable energy-saving steelmaking converter, relates to the field of industrial steelmaking, and aims at solving the problems that the temperature in a converter is not easy to control, the temperature in the converter is easily overhigh, the steel exercise is influenced, the quality of the steel cannot be guaranteed, the risk of explosion of the converter is generated, the safety of workers is harmed and the like in the use process of the steelmaking converter in the current market. The utility model can change the amount of oxygen entering the reaction box according to the temperature change in the furnace, further reduce the reaction rate in the furnace, thereby achieving the effect of reducing the temperature, and simultaneously can cool the converter wall through the water cooling mechanism, further improve the control of the temperature of the converter body, and has convenient use and strong practicability.

Description

Energy-saving steelmaking converter of controllable temperature

Technical Field

The utility model relates to the field of industrial steelmaking, in particular to an energy-saving steelmaking converter with controllable temperature.

Background

The converter for steelmaking takes molten iron, scrap steel and ferroalloy as main raw materials, does not need external energy, and finishes the steelmaking process in the converter by means of the heat generated by the physical heat of molten iron and the chemical reaction between molten iron components, the converter is divided into acidity and alkalinity according to refractory materials, and the top blowing, bottom blowing and side blowing are carried out at the positions blown into the converter according to gas; according to the gas types, the converter is divided into an air converter and an oxygen converter, and the converter is mainly used for producing carbon steel, alloy steel and smelting copper and nickel.

And at the in-process that steelmaking converter on the existing market was used, the temperature in the stove is difficult to control, leads to the high temperature in the stove easily, leads to the exercise of steel to receive the influence, makes the quality of steel obtain not guaranteed, still can have the risk of taking place to explode the stove simultaneously, endangers staff's safety, uses inconveniently, and the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides the temperature-controllable energy-saving steelmaking converter, the amount of oxygen entering a reaction box can be changed according to the temperature change in the converter, the reaction rate in the converter is further reduced, the temperature is reduced, meanwhile, the converter wall can be cooled through a water cooling mechanism, the temperature of the converter body is further controlled, the use is convenient, and the practicability is high.

(II) technical scheme

The utility model provides a temperature-controllable energy-saving steelmaking converter, which comprises a base, wherein water cooling mechanisms are arranged on two sides of the base, a converter body is fixedly connected between the water cooling mechanisms, a converter pit is also arranged on the base, the bottom of the converter body is positioned in the converter pit, a converter cover is arranged at the top of the converter body, an air cooling mechanism is arranged in the converter cover and used for cooling the inside of the converter body, the water cooling mechanism is used for cooling the outside of the converter body, a partition plate is also arranged in the converter body and provided with a plurality of through holes, a plurality of shielding assemblies are also arranged on the partition plate, an air pressure assembly used for controlling the shielding assemblies to open or close the through holes is also arranged on one side of the partition plate, which is far away from the partition plate, a ventilation cavity is also formed between the air pressure assembly and the partition plate, and a reaction cavity is arranged on one side of the air pressure assembly, which is far away from the partition plate, the rotary furnace body is also provided with an air inlet pipe penetrating through and extending into the reaction cavity, and the rotary furnace body is also provided with a feed inlet communicated with the reaction cavity.

Further, the method comprises the following steps: the water cooling mechanism is including setting up respectively in the case of intaking and the play water tank of base both sides and setting up the cooler on the base, be provided with the condenser pipe in the converter pit, it is provided with first water pump to intake the incasement, the delivery port of first water pump is provided with the outlet pipe, the one end that the outlet pipe deviates from first water pump is connected with the water inlet of condenser pipe, the delivery port of condenser pipe is provided with the inlet tube with play water tank intercommunication, be provided with the second water pump in the play water tank, the delivery port of second water pump is provided with the first back flow pipe of being connected with the cooler water inlet, the delivery port of cooler is provided with the second back flow with the case of intaking intercommunication.

Further, the method comprises the following steps: the air cooling mechanism comprises a fixing plate and an electric fan, the fixing plate is fixedly connected with the inner wall of the furnace cover, the electric fan is arranged on one side, away from the rotary furnace body, of the fixing plate, a first ventilation opening is further formed in the fixing plate, and a second ventilation opening is formed in the furnace cover.

Further, the method comprises the following steps: the shielding assembly comprises a plurality of fixing rods, a baffle plate, a shielding cover and a first elastic piece, wherein the baffle plate is respectively connected with the fixing rods, the shielding cover and the first elastic piece are sleeved on the fixing rods, the fixing rods are fixedly connected with the fixing plates, one ends of the fixing rods deviate from the baffle plate, and the first elastic piece is sleeved on the outer ring of the fixing rods and is arranged between the baffle plate and the shielding cover.

Further, the method comprises the following steps: the pneumatic assembly comprises a movable plate, a plurality of pressing rods connected with the movable plate and a second elastic part, the movable plate is arranged in the reaction cavity, the periphery of the movable plate and the inner wall of the reaction cavity are in a sealed transition state, two ends of the second elastic part are respectively connected with the movable plate and the fixed plate, and the pressing rods are multiple in diameter and are smaller than the through holes in one-to-one correspondence to the through holes.

Further, the method comprises the following steps: the rotary furnace body is also provided with an observation window, and the observation window is made of high-temperature resistant materials.

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

the device is through installation water cooling mechanism, air cooling mechanism, shelter from the subassembly, atmospheric pressure subassembly and converter body isotructure, wherein when the reaction chamber temperature in the converter body is too high, can cool off the outer wall of converter body through water cooling component, and then reduce the temperature of converter body, simultaneously because the temperature variation in the reaction chamber, can shelter from the through-hole of subassembly on with the baffle and open through atmospheric pressure subassembly control, and then can let the oxygen of reaction intracavity spill over under the effect of air cooling subassembly, thereby reduce the concentration of oxygen in the reaction chamber, control the reaction in the reaction chamber, thereby reach the effect of reducing the temperature, realize the temperature control to the converter body, improve the safety in utilization of converter body. The utility model can change the amount of oxygen entering the reaction box according to the temperature change in the furnace, further reduce the reaction rate in the furnace, thereby achieving the effect of reducing the temperature, and simultaneously can cool the converter wall through the water cooling mechanism, further improve the control of the temperature of the converter body, and has convenient use and strong practicability.

Drawings

FIG. 1 is a schematic view of the internal structure of a converter;

FIG. 2 is a schematic view of an external structure of the converter;

fig. 3 is a schematic top view of the separator.

Reference numerals: 1. a base; 11. a converter pit; 12. a condenser tube; 2. a water cooling mechanism; 21. a water inlet tank; 22. a first water pump; 23. a water outlet pipe; 24. a water outlet tank; 25. a second water pump; 26. a water inlet pipe; 27. a cooling machine; 28. a first return pipe; 29. a second return pipe; 3. An air cooling mechanism; 31. a fixing plate; 32. an electric fan; 4. a furnace cover; 5. a partition plate; 6. a shielding component; 61. fixing the rod; 62. a baffle plate; 63. a shielding cover; 64. a first elastic member; 7. an air pressure assembly; 71. a movable plate; 72. a pressing rod; 73. a second elastic member; 8. a converter body, 81 and a feed inlet; 82. a breather pipe; 83. an air inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in the figures 1 and 3, the energy-saving steelmaking converter with controllable temperature provided by the utility model comprises a base 1, water cooling mechanisms 2 are arranged on two sides of the base 1, a converter body 8 is fixedly connected between the water cooling mechanisms 2, a converter pit 11 is further arranged on the base 1, the bottom of the converter body 8 is positioned in the converter pit 11, a converter cover 4 is arranged on the top of the converter body 8, an air cooling mechanism 3 is arranged in the converter cover 4, the air cooling mechanism 3 is used for cooling the inside of the converter body 8, the water cooling mechanism 2 is used for cooling the outside of the converter body 8, a partition plate 5 is further arranged in the converter body 8, a plurality of through holes are arranged on the partition plate 5, a plurality of shielding converter cover assemblies 6 are further arranged on the partition plate 5, an air pressure assembly 7 used for controlling the shielding assemblies 6 to open or close the through holes is further arranged on one side of the partition plate 5, and a ventilation cavity is further formed between the air pressure assembly 7 and the partition plate 5, the side of the air pressure component 7, which is far away from the partition plate 5, is a reaction cavity, a vent pipe 82 communicated with the reaction cavity is also arranged in the vent cavity, a vent hole is arranged on the part of the vent pipe 82, which is positioned in the reaction cavity, an air inlet pipe 83 which penetrates through and extends into the vent cavity is also arranged on the converter body 8, and a feed inlet 81 communicated with the reaction cavity is also arranged on the converter body 8;

at first place the steel that will need to take exercise in the reaction chamber in the rotary furnace body 8 through feed inlet 81, then start the power, make steel react in the reaction chamber, in the reaction process, fill required oxygen into to the ventilation intracavity through intake pipe 83, can pass through breather pipe 82 and enter into the reaction chamber through the air vent when oxygen enters into the ventilation intracavity, participate in the exercise of steel, in case when the temperature in the reaction chamber is too high, cool off through air-cooled subassembly and water-cooled subassembly.

As shown in fig. 1 and fig. 2, the water cooling mechanism 2 includes a water inlet tank 21 and a water outlet tank 24 respectively disposed at two sides of the base 1, and a cooling machine 27 disposed on the base 1, a condenser pipe 12 is disposed in the converter pit 11, a first water pump 22 is disposed in the water inlet tank 21, a water outlet pipe 23 is disposed at a water outlet of the first water pump 22, one end of the water outlet pipe 23 away from the first water pump 22 is connected to a water inlet of the condenser pipe 12, a water inlet pipe 26 communicated with the water outlet tank 24 is disposed at a water outlet of the condenser pipe 12, a second water pump 25 is disposed in the water outlet tank 24, a first return pipe 28 connected to a water inlet of the cooling machine 27 is disposed at a water outlet of the second water pump 25, and a second return pipe 29 communicated with the water inlet tank 21 is disposed at a water outlet of the cooling machine 27;

once the temperature is too high in the reaction chamber, start first water pump 22, second water pump 25 and cooler 27, first water pump 22 can be with the cold water in the inlet tank 21 through outlet pipe 23 transportation in condenser pipe 12, cool off the outer wall of reaction chamber through condenser pipe 12, pass through inlet tube 26 after the cooling is accomplished and enter into outlet tank 24, and second water pump 25 then can carry the water in outlet tank 24 into cooler 27 through first back flow pipe 28, cool off through cooler 27, pass through second back flow pipe 29 after the completion and transport once more into inlet tank 21, thereby the reuse of the water resource of assurance, the waste of the water resource of avoiding.

As shown in fig. 1, 2 and 3, the air cooling mechanism 3 includes a fixing plate 31 and an electric fan 32, the fixing plate 31 is fixedly connected to the inner wall of the furnace cover 4, the electric fan 32 is disposed on one side of the fixing plate 31 away from the rotary furnace body 8, the fixing plate 31 is further provided with a first ventilation opening, and the furnace cover 4 is provided with a second ventilation opening; the shielding assembly 6 comprises a plurality of fixing rods 61, a baffle plate 62 respectively connected with the fixing rods 61, a shielding cover 63 with two sides sleeved on the fixing rods 61, and a first elastic piece 64, wherein one end of each fixing rod 61 departing from the baffle plate 62 is fixedly connected with the fixing plate 31, and the first elastic piece 64 is sleeved on the outer ring of the fixing rod 61 and is arranged between the baffle plate 62 and the shielding cover 63; the pneumatic assembly 7 comprises a movable plate 71, a plurality of abutting rods 72 connected with the movable plate 71 and a second elastic member 73, the movable plate 71 is arranged in the reaction chamber, the periphery of the movable plate 71 and the inner wall of the reaction chamber are in a sealed transition state, two ends of the second elastic member 73 are respectively connected with the movable plate 71 and the fixed plate 31, and the diameters of the plurality of abutting rods 72 are smaller than those of the through holes and are in one-to-one correspondence with the through holes;

when the water cooling mechanism 2 works, the temperature in the reaction chamber is too high, so that the pressure in the reaction chamber is too high, the movable plate 71 can be extruded due to the too high pressure, the movable plate 71 is controlled to be fixed towards the partition plate 5, the second elastic member 73 is extruded at the same time, the second elastic member 73 generates elastic potential energy, the pressing rod 72 can extrude the shielding cover 63, the shielding cover 63 is separated from the through hole, the through hole is opened, then the electric fan 32 is started, the electric fan 32 can be started to blow air, so that the oxygen in the ventilation chamber is blown out of the converter body 8 through the through hole and the first ventilation hole and the second ventilation hole, the oxygen concentration in the ventilation chamber is reduced, the oxygen concentration in the reaction chamber is reduced, the chemical reaction in the reaction chamber is slowed down after the oxygen concentration in the reaction chamber is reduced, and the temperature in the reaction chamber is reduced, when the temperature in the reaction chamber is reduced, the pressure in the reaction chamber is reduced, and the movable plate 71 moves toward the reaction chamber under the action of the elastic potential energy of the second elastic member 73, so as to drive the pressing rod 72 to disengage from the pressing against the shielding cover 63, and the shielding cover 63 can be reset under the action of the first elastic member 64, so as to shield the through hole again, thereby preventing the oxygen in the ventilation chamber from disengaging.

As shown in fig. 2, the converter body 8 is further provided with an observation window, the observation window is made of a high temperature resistant material, and the observation window enables a worker to observe the reaction condition of the steel in the reaction cavity.

The working principle is as follows: when the reaction chamber temperature in the converter body 8 is too high, can cool off the outer wall of converter body 8 through water-cooling mechanism 2, and then reduce the temperature of converter body 8, simultaneously because the temperature variation in the reaction chamber, can shelter from subassembly 6 through the control of atmospheric pressure subassembly 7 and open the through-hole on baffle 5, and then can let the oxygen in the reaction chamber spill over under the effect of air-cooled mechanism 3, thereby reduce the concentration of oxygen in the reaction chamber, the reaction in the control reaction chamber, thereby reach the effect that reduces the temperature, realize the temperature control to converter body 8, improve the safety in utilization of converter body 8.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an energy-saving steelmaking converter of controllable temperature, includes base (1), its characterized in that: the rotary furnace is characterized in that water cooling mechanisms (2) are arranged on two sides of the base (1), a rotary furnace body (8) is fixedly connected between the water cooling mechanisms (2), a rotary furnace pit (11) is further arranged on the base (1), the bottom of the rotary furnace body (8) is positioned in the rotary furnace pit (11), a furnace cover (4) is arranged at the top of the rotary furnace body (8), an air cooling mechanism (3) is arranged in the furnace cover (4), the air cooling mechanism (3) is used for cooling the inside of the rotary furnace body (8), the water cooling mechanism (2) is used for cooling the outside of the rotary furnace body (8), a partition plate (5) is further arranged in the rotary furnace body (8), a plurality of through holes are formed in the partition plate (5), a plurality of shielding assemblies (6) are further arranged on the partition plate (5), an air pressure assembly (7) used for controlling the shielding assemblies (6) to be opened or closed is further arranged on one side of the partition plate (5) deviating from the furnace cover (4), still be formed with the chamber of ventilating between atmospheric pressure subassembly (7) and baffle (5), one side that atmospheric pressure subassembly (7) deviates from baffle (5) is the reaction chamber, breather pipe (82) that the intracavity of ventilating still is provided with and is linked together with the reaction chamber, the air vent has been seted up to the part that breather pipe (82) are located the reaction intracavity, still be provided with on converter body (8) and run through and extend to intake pipe (83) of ventilating the intracavity, still be provided with feed inlet (81) that communicate with the reaction chamber on converter body (8).

2. The energy-saving steelmaking converter of claim 1, wherein: the water cooling mechanism (2) comprises a water inlet tank (21) and a water outlet tank (24) which are respectively arranged at the two sides of the base (1) and a cooler (27) arranged on the base (1), a condenser pipe (12) is arranged in the converter pit (11), a first water pump (22) is arranged in the water inlet tank (21), a water outlet pipe (23) is arranged at the water outlet of the first water pump (22), one end of the water outlet pipe (23) deviating from the first water pump (22) is connected with the water inlet of the condensation pipe (12), a water inlet pipe (26) communicated with a water outlet tank (24) is arranged at a water outlet of the condensation pipe (12), a second water pump (25) is arranged in the water outlet tank (24), a first return pipe (28) connected with a water inlet of a cooler (27) is arranged at a water outlet of the second water pump (25), and a water outlet of the cooler (27) is provided with a second return pipe (29) communicated with the water inlet tank (21).

3. The energy-saving steelmaking converter of claim 1, wherein: the air cooling mechanism (3) comprises a fixing plate (31) and an electric fan (32), the fixing plate (31) is fixedly connected with the inner wall of the furnace cover (4), the electric fan (32) is arranged on one side, deviating from the rotary furnace body (8), of the fixing plate (31), a first ventilation opening is further formed in the fixing plate (31), and a second ventilation opening is formed in the furnace cover (4).

4. The energy-saving steelmaking converter of claim 1, wherein: the shielding assembly (6) comprises a plurality of fixing rods (61), a baffle plate (62) respectively connected with the fixing rods (61), a shielding cover (63) and a first elastic piece (64), wherein the two sides of the shielding cover (63) are sleeved on the fixing rods (61), the fixing rods (61) deviate from one ends of the baffle plate (62) and are fixedly connected with the fixing plate (31), and the first elastic pieces (64) are sleeved on the outer rings of the fixing rods (61) and are arranged between the baffle plate (62) and the shielding cover (63).

5. The energy-saving steelmaking converter of claim 1, wherein: the pneumatic assembly (7) comprises a movable plate (71), a plurality of pressing rods (72) connected with the movable plate (71) and a second elastic piece (73), the movable plate (71) is arranged in the reaction cavity, the periphery of the movable plate (71) and the inner wall of the reaction cavity are in a sealed transition state, two ends of the second elastic piece (73) are respectively connected with the movable plate (71) and the fixed plate (31), and the pressing rods (72) are multiple in diameter and are smaller than the diameter of the through holes in one-to-one correspondence with the through holes.

6. The energy-saving steelmaking converter of claim 1, wherein: the rotary furnace body (8) is also provided with an observation window, and the observation window is made of high-temperature-resistant materials.