CN220413458U - Hot rolling laminar flow cooling sweeps device - Google Patents

Abstract

The utility model discloses a hot rolling laminar flow cooling and blowing device, which comprises: a header, a nozzle, and a strip; the number of the nozzles is several, and the nozzles are uniformly distributed at the lower part of the header according to the length of the header; one end of the collecting pipe is provided with a lifting device, and the other end of the collecting pipe is hinged with the supporting rod; the inclination angles of the nozzles are all set against the running direction of the strip steel, and the inclination angle is 15 degrees; the nozzles are divided into a left spray angle, a middle spray angle and a right spray angle, wherein the middle spray angle is parallel to the header, the left spray nozzles are inclined 15 degrees to the right, and the right spray nozzles are inclined 15 degrees to the left. The utility model changes the nozzle into the inclined purging directly above the strip steel. The inverted V-shaped jet flow is formed through the 3 nozzles with different angles, and the strip steel moving direction is reversely purged to achieve the water diversion effect towards two sides. Meanwhile, when online quenched steel grades are not produced, the collecting pipe is lifted by the lifting device so as to avoid damaging the collecting pipe at high temperature.

Description

Hot rolling laminar flow cooling sweeps device

Technical Field

The utility model relates to the technical field of hot-rolled strip steel processing, in particular to a hot-rolled laminar flow cooling and blowing device.

Background

The on-line quenching is a technology for quenching by using the residual heat after rolling, the cooling termination temperature is less than 300 ℃, and the high water quantity is adopted to realize a faster cooling speed, so that the on-line quenching is generally used for producing steel with the tensile strength of more than 600 MPa.

Because of the plate shape buckling caused by on-line quenching rapid cooling, a large amount of residual cooling water is adhered to the surface of the strip steel at the layer cooling outlet, and the cooling blowing device cannot blow the strip steel clean by ordinary side spraying; the accumulated water remained between the coil layers of the online quenched steel coil can bring inconvenience to subsequent processing, and in a non-working state, the collecting pipe is close to the roller way, and the collecting pipe is easily damaged by the residual high temperature of strip steel on the roller way.

Disclosure of Invention

The present utility model is directed to a hot rolling laminar cooling and purging device that overcomes at least one of the problems and disadvantages set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a hot rolled laminar cooling sweep apparatus comprising:

a header, a nozzle, and a strip;

the number of the nozzles is several, and the nozzles are uniformly distributed at the lower part of the header according to the length of the header;

one end of the collecting pipe is provided with a lifting device, and the other end of the collecting pipe is hinged with the supporting rod;

the inclination angles of the nozzles are all set against the running direction of the strip steel, and the inclination angle is 15 degrees;

the nozzles are subdivided into left, middle and right three-way spray angles, wherein the angle of the middle nozzle is parallel to the header, a plurality of nozzles on the left side are inclined rightwards by 15 degrees, and a plurality of nozzles on the right side are inclined leftwards by 15 degrees.

The hot rolling laminar flow cooling and blowing device has at least the following technical effects:

the header pipe is arranged on the hot-rolled layer cold outlet lifting device, and the turbid circulating water with the pressure of 1.0MPa is connected, so that residual water on the upper surface of strip steel can be thoroughly purged, the problem of insufficient side-spraying purging capacity is solved, and the influence of finished steel coil water outlet on downstream procedures is also solved.

The inclination angles of the nozzles are set against the running direction of the strip steel, and are 15 degrees, the nozzles are divided into left, middle and right three-way injection angles, and the strip steel is purged from the side surface with a common low angle, so that the process of obliquely purging right above the strip steel is changed. The reverse inverted V-shaped jet flow is formed through the nozzles with 3 different angles, and the strip steel moving direction is reversely purged to achieve the water diversion effect on two sides, so that the strip steel is rapidly cooled, and the residual water on the strip steel is purged completely. Meanwhile, when online quenched steel grades are not produced, one end of the collecting pipe is lifted to a vertical state through the lifting device, so that the collecting pipe is prevented from being damaged at high temperature.

As a further aspect of the present utility model: the number of the nozzles is 13-21, and the number is odd.

As a further aspect of the present utility model: guard plates are arranged at the lower parts of two sides of the header pipe.

As a further aspect of the present utility model: a roller way is arranged between the guard plates at two sides.

As a further aspect of the present utility model: the upper part of one end of the header pipe is provided with a hydraulic device.

As a further aspect of the present utility model: the outer sides of the lifting device and the support rods are respectively provided with a support frame.

As a further aspect of the present utility model: and limiting devices are arranged on the lifting devices.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a front view of a hot rolling laminar cooling and purging device;

FIG. 2 is a side view of the face manifold of FIGS. 1A-A and nozzle;

FIG. 3 is a bottom view of a portion of the structure of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

FIG. 5 is a schematic view of the left side support frame structure;

fig. 6 is a schematic view of the structure of the right support frame.

Reference numerals:

101. a header; 102. a nozzle; 103. a lifting device; 104. a guard board; 105. a roller way; 106. a hydraulic device; 107. a support frame; 108. a limiting device; 109. and (5) strip steel.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

1-4, a hot rolling laminar flow cooling purge apparatus, comprising: header 101, nozzle 102, and strip 109; the number of the nozzles 102 is several, and the nozzles 102 are uniformly distributed at the lower part of the header 101 according to the length of the header 101; one end of the header 101 is provided with a lifting device 103, and the other end is hinged with the support rod; the inclination angles of the nozzles 102 are all set against the running direction of the strip steel 109, and the inclination angle is 15 degrees; the nozzles 102 are subdivided into left, middle and right three-way spray angles, with the middle nozzle 102 angle parallel to the header 101, the left side nozzles 102 being inclined 15 ° to the right and the right side nozzles 102 being inclined 15 ° to the left.

Specifically, the header 101 is arranged on the hot-rolled layer cooling outlet lifting device 103, and the turbid circulating water with the pressure of 1.0MPa is connected, so that residual water on the upper surface of the strip steel 109 can be thoroughly purged, the problem of insufficient side spraying purging capability is solved, and meanwhile, the influence of the water outlet of a finished steel coil on downstream procedures is also solved.

Because the inclination angles of the nozzles 102 are all set against the running direction of the strip steel 109, and the inclination angles are 15 degrees, the nozzles 102 are divided into left, middle and right three-way injection angles, and the strip steel 109 is purged by the side face with a common low angle, and is purged obliquely right above the strip steel 109 instead. The reverse inverted-V-shaped jet flow is formed through the nozzles 102 with 3 different angles, and the movement direction of the strip steel 109 is reversely purged to achieve the water diversion effect towards two sides. Meanwhile, when the online quenched steel grade is not produced, one end of the manifold 101 is lifted to a vertical state by the lifting device 103 so as not to damage the manifold 101 at a high temperature.

As shown in fig. 1 and 2, the number of nozzles 102 is 13 to 21 and is odd. The number of nozzles 102 is preferably 17. Specifically, according to the lengths of different headers 101, different numbers of nozzles 102 may be uniformly distributed to adjust to a better cooling and purging effect of the strip steel 109.

As shown in fig. 1, the lower parts of both sides of the header 101 are provided with guard plates 104; a roller way 105 is arranged between the guard plates 104. Specifically, as the guard plates 104 are arranged at the lower parts of the two sides of the header 101, roller tables 105 are arranged between the guard plates 104. When the strip steel 109 rolls on the roller way 105, the strip steel 109 is prevented from being damaged due to the fact that the rolling direction is uncontrollable and the strip steel 109 is separated from the roller way 105.

As shown in fig. 1, an upper portion of one end of the header 101 is provided with a hydraulic device 106. Specifically, since the hydraulic device 106 is provided at the upper portion of one end of the header 101, the lifting device 103 is controlled by the hydraulic device 106 to lift or lower one end of the header 101. When online quenched steel grades are produced, the hydraulic device 106 controls the lifting device to lower one end of the header 101 to a horizontal state, so that the purging of strip steel is facilitated; when the online quenched steel grade is not produced, the hydraulic device 106 controls the lifting device 103 to lift one end of the header 101 to a vertical state so as not to damage the header 101 at high temperature.

As shown in fig. 1, a supporting frame 107 is provided on the outer side of the lifting device 103 and the outer side of the supporting rod, respectively. Specifically, because the outer side of the lifting device 103 and the outer side of the supporting rod are respectively provided with the supporting frame 107, the supporting frame 107 can play a supporting role, and the stability of the cooling and blowing device during working is improved.

As shown in fig. 5 and 6, the two side supporting frames 107 are provided with a limiting device 108. Specifically, since the two side support frames 107 are provided with the limiting devices 108, when the lifting device 103 lifts the manifold 101, the limiting devices 108 can detect whether the manifold 101 has been lifted in place.

The hot rolling laminar cooling and blowing device is controlled by an electric system to be a primary operation interface and can be remotely controlled.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims (7)

1. A hot rolling laminar cooling and purging device, comprising:

a header (101), a nozzle (102) and a strip (109);

the number of the nozzles (102) is several, and the nozzles (102) are uniformly distributed at the lower part of the header (101) according to the length of the header (101);

one end of the collecting pipe (101) is provided with a lifting device (103), and the other end of the collecting pipe is hinged with the supporting rod;

the inclination angles of the nozzles (102) are all set against the running direction of the strip steel (109), and the inclination angle is 15 degrees;

the nozzles (102) are subdivided into left, middle and right three-way injection angles, the middle nozzle (102) angle is parallel to the header (101), a plurality of nozzles (102) on the left side are inclined rightwards by 15 degrees, and a plurality of nozzles (102) on the right side are inclined leftwards by 15 degrees.

2. The hot rolling laminar cooling and purging device as claimed in claim 1, wherein the number of said nozzles (102) is 13-21 and odd.

3. The hot-rolled laminar cooling and purging device as claimed in claim 2, wherein the header (101) is provided with guard plates (104) at both side lower portions.

4. A hot rolling laminar flow cooling and purging device according to claim 3, characterized in that a roller way (105) is arranged between the guard plates (104) on both sides.

5. The hot-rolled laminar cooling and purging device as claimed in claim 1, characterized in that an upper portion of one end of the header (101) is provided with a hydraulic device (106).

6. The hot-rolled laminar flow cooling and purging device as claimed in claim 5, wherein supporting frames (107) are respectively arranged on the outer side of the lifting device (103) and the outer side of the supporting rod.

7. The hot rolling laminar flow cooling and purging device as claimed in claim 6, characterized in that limiting devices (108) are arranged on the supporting frames (107) on both sides.