CN211005476U - Niobium microalloying high strength extra thick steel plate niobium element adding device - Google Patents

Abstract

The utility model discloses a niobium microalloying high strength ultra-thick steel plate niobium element adding device, which comprises a spray pipe, a gas storage tank, a gas outlet pipe and a storage tank, wherein the storage tank is cylindrical, the lower end of the storage tank is conical, an observation window is embedded in the middle of the front end face of the storage tank, scales are carved on the observation window at equal intervals, the middle of the lower end of the material storage tank is communicated with a material discharge pipe, the middle of the material discharge pipe is movably provided with a second movable valve, the lower end of the storage tank is fixed with second supporting legs in an annular array, the middle of the upper end surface of the spray pipe is communicated and arranged at the lower end of the discharge pipe, the two ends of the lower end surface of the spray pipe are both fixed with first supporting legs, one end of the spray pipe is bent, and the spray pipe is located the one end intercommunication of crooked form and installs the shower nozzle, the second supporting leg is equipped with four altogether, first supporting leg is equipped with two altogether. The utility model discloses an even addition to niobium element is favorable to improving the quality of steel sheet.

Description

Niobium microalloying high strength extra thick steel plate niobium element adding device

Technical Field

The utility model relates to a steel sheet niobium element adds technical field, specifically is a niobium microalloying high strength extra thick steel sheet niobium element adds device.

Background

Niobium (Nb) has been added as an alloy element to molten steel for refining grains and increasing the strength of steel since the 20 th century in 1958, National iron and steel company developed high-strength Nb-containing steel under the trade name of G L x by adding Nb to semi-killed steel using the weak reduction property of Nb, and not only in the united states, the uk and japan also successively developed high-strength Nb-containing steel called "economic steel" because the steel has ideal welding properties, and niobium-containing steel sheets and profiles are widely used for construction, bridges, shipbuilding, and materials for municipal engineering and transportation vehicles.

The method comprises the steps of carrying out pretreatment including hot rolling and cold rolling on a steel billet, carrying out quenching treatment on the steel billet after the pretreatment and heat preservation, and adding niobium to drag other metal elements in the rough rolling process of the steel plate, so that the crystal grains of the elements are refined more thoroughly, and simultaneously, the precipitation strength of the steel plate is strengthened to obtain the austenitizing alloy steel. The existing niobium element is added in the steelmaking process through manual addition, the adding amount cannot be controlled, and meanwhile, the niobium element cannot be added uniformly, so that the quality of a later-stage steel plate is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a niobium microalloying high strength extra thick steel sheet niobium element adds device possesses the advantage that is favorable to automatic adding niobium element, has solved the volume uncontrollable of adding, and the unable even joining simultaneously influences later stage steel sheet quality's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a niobium microalloying high strength extra thick steel sheet niobium element adds device, includes spray tube, gas holder, outlet duct and storage tank, the storage tank is cylindricly, and the lower extreme of storage tank is the toper, the department inlays and has the observation window in the middle of the preceding terminal surface of storage tank, and is equidistant scale of being carved with on the observation window, the discharging pipe is installed to department's intercommunication in the middle of the lower extreme of storage tank, the middle movable mounting of department of discharging pipe has the second movable valve, storage tank lower extreme annular array is fixed with the second supporting leg, the lower extreme at the discharging pipe is installed to department's intercommunication in the middle of the up end of spray tube, the lower terminal surface both ends of spray tube all are fixed with first supporting leg, spray tube one end is the crookedness, and the shower nozzle is installed to the.

Preferably, the second supporting legs are provided with four, the first supporting legs are provided with two, the height of the first supporting legs is smaller than that of the second supporting legs, and the lower ends of the first supporting legs and the lower ends of the second supporting legs are on the same horizontal plane.

Preferably, the lower extreme of gas holder is fixed with the support frame, the intake pipe is installed in one side lower extreme intercommunication of gas holder, movable mounting has the second valve in the intake pipe, the outlet duct is installed in one side upper end intercommunication that the gas holder deviates from the intake pipe, movable mounting has the second valve on the outlet duct.

Preferably, the hose is sleeved at one end of the spray pipe, which is far away from the spray head, the air outlet pipe is sleeved at one end of the hose, which is far away from the spray pipe, and the spray pipe and the air outlet pipe are communicated through the hose.

Preferably, the outer diameter of the support frame is equal to the outer diameter of the air storage tank, and four support legs are arranged at the lower end of the support frame in an annular array.

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

1. the utility model discloses a set up storage tank and observation window, be favorable to adding the effect of placing niobium element powder, through packing into the storage tank with niobium element, realize the placing to the storage tank, and in the in-process of steelmaking through opening the second movable valve, be favorable to making in the storage tank niobium element get into the shower nozzle, can observe niobium element's the volume of putting into through the observation window, can control niobium element's the volume of putting into simultaneously through the scale.

2. The utility model discloses a set up the gas holder, be favorable to the outside effect that blows off of niobium element in the shower nozzle, niobium element gets into the shower nozzle in the back, through opening the second valve on the outlet duct, makes the gas in the gas holder outwards blow off niobium element, and niobium element passes through the shower nozzle can be even simultaneously sprays, realizes the even effect that adds to niobium element.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the material storage tank of the present invention;

fig. 3 is a schematic view of the gas storage tank of the present invention.

In the figure: 1. a first support leg; 2. a second support leg; 3. a nozzle; 4. a hose; 5. a support frame; 6. a gas storage tank; 7. an air inlet pipe; 8. a second valve; 9. an air outlet pipe; 10. a material storage tank; 11. an observation window; 12. calibration; 13. a discharge pipe; 14. a second movable valve; 15. and (4) a spray head.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a niobium microalloying high strength extra thick steel plate niobium element adding device comprises a spray pipe 3, a gas storage tank 6, a gas outlet pipe 9 and a storage tank 10, wherein the storage tank 10 is cylindrical, the lower end of the storage tank 10 is conical, an observation window 11 is embedded in the middle of the front end face of the storage tank 10, scales 12 are equidistantly carved on the observation window 11, a discharge pipe 13 is communicated and installed in the middle of the lower end of the storage tank 10, a second movable valve 14 is movably installed in the middle of the discharge pipe 13, the storage tank 10 is placed by installing niobium element into the storage tank 10, the niobium element in the storage tank 10 can be favorably enabled to enter the spray pipe 3 by opening the second movable valve 14 in the steelmaking process, the input amount of the niobium element can be observed through the observation window 11, meanwhile, the input amount of the niobium element can be controlled through the scales 12, a second supporting leg 2 is fixed on an annular array at the lower end of the storage tank 10, the middle of the upper end face of the spray pipe 3 is communicated with the lower end of a discharge pipe 13, first supporting legs 1 are fixed at two ends of the lower end face of the spray pipe 3, one end of the spray pipe 3 is bent, and the end, located at the bent end, of the spray pipe 3 is communicated with a spray head 15.

The second supporting legs 2 are provided with four, the first supporting legs 1 are provided with two, the height of the first supporting legs 1 is smaller than that of the second supporting legs 2, and the lower ends of the first supporting legs 1 and the lower ends of the second supporting legs 2 are on the same horizontal plane.

The lower extreme of gas holder 6 is fixed with support frame 5, intake pipe 7 is installed to one side lower extreme intercommunication of gas holder 6, movable mounting has second valve 8 in the intake pipe 7, outlet duct 9 is installed in the one side upper end intercommunication that gas holder 6 deviates from intake pipe 7, movable mounting has second valve 8 on the outlet duct 9, niobium element gets into behind the spray tube 3, through opening second valve 8 on the outlet duct 9, make the gas in the gas holder 6 outwards blow off niobium element, niobium element passes through 15 even spraying of shower nozzle simultaneously, the realization is to the even effect of adding of niobium element.

The one end that spray tube 3 deviates from shower nozzle 15 has cup jointed hose 4, and the one end that hose 4 deviates from spray tube 3 cup joints on outlet duct 9, and spray tube 3 is linked together through hose 4 with outlet duct 9.

The outer diameter of the support frame 5 is equal to that of the air storage tank 6, and four support legs are arranged at the lower end of the support frame 5 in an annular array mode.

The working principle is as follows: the utility model discloses in operation, niobium element is packed into in the storage tank 10, realize placing storage tank 10, and at the in-process of steelmaking through opening second movable valve 14, be favorable to making in the storage tank 10 niobium element get into spray tube 3 in, and through opening second valve 8 on the outlet duct 9, make the gas in the gas holder 6 outwards blow off niobium element, niobium element passes through shower nozzle 15 can be even simultaneously and sprays, the realization is evenly added niobium element, and simultaneously, can observe niobium element's the volume of putting into through observation window 11, can control niobium element's the volume of putting into simultaneously through scale 12. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a niobium microalloying high strength super thick steel plate niobium element adds device, includes spray tube (3), gas holder (6), outlet duct (9) and storage tank (10), its characterized in that: storage tank (10) are cylindricly, and the lower extreme of storage tank (10) is the toper, department inlays in the middle of the preceding terminal surface of storage tank (10) has observation window (11), and is equidistant scale (12) of being carved with on observation window (11), discharging pipe (13) are installed to department's intercommunication in the middle of the lower extreme of storage tank (10), the middle movable mounting of department of discharging pipe (13) has second movable valve (14), storage tank (10) lower extreme ring array is fixed with second supporting leg (2), the lower extreme in discharging pipe (13) is installed to department's intercommunication in the middle of the up end of spray tube (3), the lower terminal surface both ends of spray tube (3) all are fixed with first supporting leg (1), spray tube (3) one end is crooked form, and spray tube (3) are located the one end intercommunication of crooked form and install shower nozzle (15).

2. The niobium microalloyed high strength super thick steel plate niobium element adding device according to claim 1, characterized in that: the second supporting leg (2) is provided with four, the first supporting leg (1) is provided with two, the height of the first supporting leg (1) is smaller than that of the second supporting leg (2), and the lower ends of the first supporting leg (1) and the second supporting leg (2) are on the same horizontal plane.

3. The niobium microalloyed high strength super thick steel plate niobium element adding device according to claim 1, characterized in that: the lower extreme of gas holder (6) is fixed with support frame (5), intake pipe (7) are installed to one side lower extreme intercommunication of gas holder (6), movable mounting has second valve (8) on intake pipe (7), outlet duct (9) are installed to one side upper end intercommunication that gas holder (6) deviate from intake pipe (7), movable mounting has second valve (8) on outlet duct (9).

4. The niobium microalloyed high strength super thick steel plate niobium element adding device according to claim 1, characterized in that: hose (4) have been cup jointed to the one end that jet tube (3) deviate from shower nozzle (15), the one end that hose (4) deviate from jet tube (3) is cup jointed on outlet duct (9), jet tube (3) are linked together through hose (4) with outlet duct (9).

5. The niobium microalloyed high strength super thick steel plate niobium element adding device according to claim 1, characterized in that: the outside diameter of support frame (5) equals with the outside diameter of gas holder (6), the lower extreme ring array of support frame (5) has four supporting legs.

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