Collecting device and method of dust blowing and sucking equipment for steel pipes

Abstract

The invention discloses a steel pipe dust blowing and sucking equipment collecting device and method, the steel pipe dust blowing and sucking equipment collecting device comprises a dust blowing end and a dust sucking end, the dust blowing end and the dust sucking end are respectively arranged on two sides of a steel pipe, the dust blowing end and the dust sucking end are arranged behind a steel pipe heat treatment line cooling bed or a pre-finishing line fixed-length pipe cutting machine, the dust sucking end is fixedly arranged on one side far away from the dust blowing end, and the dust sucking end is fixedly arranged on the other side far away from the dust blowing end. The soot blowing end comprises a support and a transmission device, the transmission device is connected with a soot blowing pipeline, the soot blowing pipeline is opposite to a hole opening of a steel pipe and extends into the hole opening of the steel pipe, the soot suction end is connected with a connecting channel in a welding mode, the inlet end of the connecting channel is opposite to the hole opening of the steel pipe, and the outlet end of the connecting channel is connected with the soot blowing pipeline. And the dust suction end comprises a first treatment device and a second treatment device, the first treatment device and the second treatment device are arranged in series, and the tail end of the dust suction end is further connected with a dust removal device.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of steel pipe manufacturing in the metallurgical industry, and particularly relates to a steel pipe blowing and sucking ash equipment collecting device and method. BACKGROUND

[0002] In hot-rolled steel pipe production, a large amount of iron oxide scale is generated in the high-temperature rolling and straightening deformation process. These iron oxide scales will cause the inner surface of the steel pipe to be rough and uneven, and will also affect the dimensional accuracy and subsequent processing effect. Therefore, a cleaning process needs to be performed in the process. The common method and device have difficulty in collecting impurities such as oxide scale and floating dust, not only causing serious air pollution of the environment, but also causing high intensity of manual cleaning of the iron oxide scale and harm to occupational health. The main reason is that the overall process method is not reasonable, and the collection and cleaning methods of the iron oxide scale are not reasonable.

[0003] In view of the above factors, a steel pipe blowing and sucking ash equipment collecting device and method are provided. The present application can greatly reduce the rework rate caused by the cleaning of the inner surface of the steel pipe, and reduce the downtime caused by the cleaning of the iron oxide scale. SUMMARY

[0004] The purpose of the present application is to provide a steel pipe blowing and sucking ash equipment collecting device and method to solve the problems raised in the background art.

[0005] The purpose of the present application is achieved by the following technical solution: a steel pipe blowing and sucking ash equipment collecting device, comprising a blowing ash end and a sucking ash end, the blowing ash end and the sucking ash end are arranged on both sides of the steel pipe, the blowing ash end and the sucking ash end are installed behind the steel pipe heat treatment line cooling bed or the pre-finishing line fixed-length pipe cutting machine, and the sucking ash end is fixedly arranged away from the blowing ash end;

[0006] The blowing ash end comprises a support and a transmission device, the transmission device is connected with a blowing ash pipeline, the blowing ash pipeline is opposite to the hole of the steel pipe and extends into the hole of the steel pipe;

[0007] The sucking ash end is connected with a connecting channel in a welding manner, the inlet end of the connecting channel is opposite to the hole of the steel pipe, and the hole of the steel pipe is inserted and matched with the connecting channel.

[0008] Further, the sucking ash end comprises a first treatment device and a second treatment device, the first treatment device and the second treatment device are arranged in series;

[0009] The end of the sucking ash end is also connected with a dust removal device;

[0010] Or the sucking ash end comprises a second treatment device.

[0011] Further, the first processing device is a gravity dust remover, and the first processing device is detachably connected to the second processing device.

[0012] The second processing device comprises a negative pressure box and a collection box, and a negative pressure pipeline is welded on the negative pressure box, and an end of the negative pressure pipeline is connected to a negative pressure fan.

[0013] Further, the negative pressure box and the collection box are in an integral structure, and a gap is left between the negative pressure box and the collection box, a partition layer is fixedly arranged in the negative pressure box, two groups of symmetrical sinking channels are fixedly arranged at the bottom of the partition layer, the sinking channels are oppositely arranged with collection grooves, and the collection grooves are in a funnel structure.

[0014] Further, a vibrator is installed on the sidewall of the collection groove, and the vibrator vibrates under the action of power to make the oxide scale on the inner wall of the collection groove slide down to the ash outlet of the collection groove.

[0015] Further, the dust removal device comprises a cyclone separator and a bag-type dust remover connected to the cyclone separator through a pipeline, and an exhaust fan is connected to the bag-type dust remover through a pipeline.

[0016] Further, the transmission device arranged on the soot blowing end comprises a transmission lead screw and a nut end matched with the transmission lead screw, the nut end is connected to a connecting end, and the connecting end is fixedly connected to the soot blowing pipeline.

[0017] The soot blowing pipeline is arranged in parallel with the steel pipe, and the soot blowing pipeline can move close to or away from the hole of the steel pipe under the action of the transmission device.

[0018] Further, one end of the transmission lead screw is rotatably connected to the end face of the support, the other end of the transmission lead screw is connected to the output end of a control motor, and the control motor is fixed on the support.

[0019] Further, the end position of the soot blowing pipeline is arranged in a conical structure, and the conical surface part of the end position of the soot blowing pipeline extends into the hole of the steel pipe.

[0020] A use method of a collection device of a steel pipe soot blowing and sucking equipment, specifically comprising the following steps.

[0021] The blowing end and the dust suction end are installed behind the steel pipe heat treatment line cooling bed or the pre-finishing line fixed-length pipe cutting machine, in the use state, the blowing pipeline of the blowing end is connected with the external air pump, blows air into the steel pipe through the blowing pipeline, at the same time, the dust suction end is connected with the negative pressure fan of the negative pressure box, under the action of the negative pressure fan, the oxide skin enters the first treatment device, the first treatment device is a gravity dust collector, adsorbs larger oxide skin, dust and particles enter the negative pressure box of the second treatment device under the action of the negative pressure fan and fall into the collecting tank, the side wall of the collecting tank is provided with a vibrator, the vibrator vibrates under the action of power, promotes the oxide skin on the inner wall of the collecting tank to slide down to the ash outlet of the collecting tank;

[0022] The blowing end comprises a support and a transmission device, the transmission device is connected with the blowing pipeline, the blowing pipeline is arranged in parallel with the steel pipe, and the blowing pipeline can approach or move away from the hole of the steel pipe under the action of the transmission device.

[0023] Compared with the prior art, the beneficial effects of the present application are:

[0024] The present application has the advantages of simple operation, greatly improved cleaning and collection efficiency, and can achieve the purposes of excellent oxide skin cleaning and efficiency improvement.

[0025] The device in the present application can achieve the purposes of simple, low energy consumption and high efficiency in the whole process of oxide skin blowing, cleaning, collecting and discharging.

[0026] The present application has the functions that can be used in all steel pipe production enterprises, has strong industry popularization, and can bring great economic and social benefits to the quality and efficiency of the steel pipe production industry.

[0027] The present application can greatly reduce the rework rate caused by the unqualified cleaning of the inner surface of the steel pipe, and reduce the downtime caused by the cleaning of the oxide skin. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall connection schematic diagram of the present application;

[0029] Figure 2 is the transmission device and steel pipe cooperation schematic diagram of the present application;

[0030] Figure 3 is the transmission device plane schematic diagram of the present application;

[0031] Figure 4 is the dust suction end schematic diagram of the present application;

[0032] Figure 5 is the negative pressure box schematic diagram of the present application;

[0033] Figure 6 is the dust removal device schematic diagram of the present application. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. Specific Implementation Example 1:

[0038] like Figures 1-6 As shown, a steel pipe blowing and suction ash collection device includes a blowing end 1 and a suction end 2. The blowing end 1 and the suction end 2 are respectively located on both sides of the steel pipe. The blowing end 1 and the suction end 2 are installed after the cooling bed of the steel pipe heat treatment line or the pipe cutting machine of the pre-finishing line. The suction end 2 is fixedly installed on the side away from the blowing end 1.

[0039] The soot blowing end 1 includes a support 3 and a transmission device 4. The transmission device 4 is connected to a soot blowing pipe 5, which is opposite to the opening of the steel pipe and extends into the opening of the steel pipe.

[0040] The dust-absorbing end 2 is connected to the connecting channel 6 by welding. The inlet end of the connecting channel 6 is opposite to the opening of the steel pipe, and the opening of the steel pipe is inserted into the connecting channel 6.

[0041] The dust-collecting end 2 includes a first processing device 7 and a second processing device 8, which are connected in series.

[0042] The dust collection end 2 is also connected to a dust removal device 9.

[0043] The first processing device 7 is a gravity dust collector, the first processing device 7 is detachably connected with the second processing device 8, and a steel wire filter screen is arranged at the connection position of the second processing device 8 and the dust removal device 9;

[0044] The second processing device 8 comprises a negative pressure box 10 and a collection box 11, a negative pressure pipeline 12 is welded on the negative pressure box 10, and the end of the negative pressure pipeline 12 is connected with a negative pressure fan 13.

[0045] The end outlet (discharge end) of the dust suction end 2 is provided with an electromagnetic valve control switch.

[0046] In the above embodiment, the dust suction end 2 comprises the first processing device 7 and the second processing device 8, the larger oxide skin is introduced into the first processing device 7 under the action of the blowing pipeline, the oxide skin is removed by the gravity dust collector, the remaining smoke dust or the particulate matter in the steel pipe is introduced into the negative pressure box 10 of the second processing device 8 for re-collection, and is discharged after dust removal by the dust removal device, the dust removal device 9 comprises a cyclone separator 17 and a bag-type dust collector 18 connected with the cyclone separator 17 through a pipeline, and the bag-type dust collector 18 is connected with an exhaust fan through a pipeline.

[0047] The transmission device 4 arranged on the blowing end 1 comprises a transmission screw rod 19 and a nut end 20 matched with the transmission screw rod 19, the nut end 20 is connected with a connecting end 21, and the connecting end 21 is fixedly connected with the blowing pipeline 5.

[0048] The blowing pipeline 5 is arranged in parallel with the steel pipe, and the blowing pipeline 5 can be close to or away from the hole of the steel pipe under the action of the transmission device 4.

[0049] One end of the transmission screw rod 19 is rotatably connected to the end face of the support 3, the other end of the transmission screw rod 19 is connected with the output end of a control motor, and the control motor is fixed on the support 3.

[0050] The end position of the blowing pipeline 5 is arranged in a conical structure, and the conical surface part of the end position in the conical structure extends into the hole of the steel pipe.

[0051] The transmission device arranged in the above embodiment can adapt to different lengths of the steel pipe under the action of the transmission screw rod, and the working efficiency of the steel pipe blowing is improved.

[0052] In the above embodiment, the dust in the steel pipe is separated into the lower ash bucket by the cyclone dust collector, and the smaller particulate dust is separated again by the bag-type pulse dust collector.

[0053] A kind of steel pipe blowing dust equipment collection device, including blowing dust end 1 and dust suction end 2, the blowing dust end 1 and dust suction end 2 are separately arranged in the two sides of steel pipe, the blowing dust end 1 and dust suction end 2 are installed in the steel pipe heat treatment line cooling bed or pre-finishing line fixed-length pipe cutting machine after, fixedly set with dust suction end 2 away from the blowing dust end 1 side, the end outlet (discharge end) of the dust suction end 2 is provided with electromagnetic valve control switch;

[0054] The blowing dust end 1 includes support 3 and transmission device 4, the transmission device 4 is connected with blowing dust pipeline 5, the blowing dust pipeline 5 is opposite with the orifice of steel pipe and extends into the orifice of steel pipe;

[0055] The dust suction end 2 is connected with connecting channel 6 in a welded manner, the inlet end of the connecting channel 6 is opposite with the orifice of steel pipe, and the orifice of steel pipe is inserted with connecting channel 6.

[0056] The dust suction end 2 includes second processing device 8, and the end of the dust suction end 2 is also connected with dust removal device 9, and a steel wire filter screen is arranged at the connection position of the second processing device 8 and the dust removal device 9.

[0057] The negative pressure box 10 and the collection box 11 are integrated structures, and gaps are left between the negative pressure box 10 and the collection box 11, the negative pressure box 10 is fixedly provided with a partition layer 14, two groups of symmetrical sinking channels 15 are fixedly arranged at the bottom of the partition layer 14, the sinking channels 15 are oppositely arranged with collection grooves 16, and the collection grooves 16 are provided in a funnel structure.

[0058] Different from the first embodiment, in the above embodiment, the end of the steel pipe is connected with the second processing device 8 at the upper end of the dust suction end 2 through the connecting channel 6, and large particles sink and are discharged, wherein the dust suction end 2 is provided with an independent second processing device 8, the blowing dust pipeline 5 of the blowing dust end 1 is matched with one end of the steel pipe, and air is blown into the steel pipe through the action of the air pump, so that the oxide skin in the steel pipe moves to the other end of the steel pipe, and enters the negative pressure box 10 under the action of the negative pressure fan.

[0059] The sidewall of the collection groove 16 is provided with a vibrator, and the vibrator vibrates under the action of power, so as to make the oxide skin on the inner wall of the collection groove 16 slide and fall to the ash outlet of the collection groove 16.

[0060] The dust removal device 9 is connected to the negative pressure box 10 through a pipeline, and an electromagnetic valve control switch is arranged on the pipeline, including a cyclone separator 17 and a bag-type dust collector connected with the cyclone separator 17 through a pipeline, and an exhaust fan 18 is connected to the bag-type dust collector through a pipeline.

[0061] In the above embodiment, the transmission device 4 arranged on the soot blowing end 1, in use, the steel pipe is placed on the rack, one end of the steel pipe is placed on the connecting channel 6 on the rack, the other end of the steel pipe is moved to the side of the orifice of the steel pipe under the action of the transmission screw rod 19 to drive the nut end 20 to promote the cooperation of the soot blowing pipeline 5 and the orifice of the steel pipe, the soot blowing pipeline 5 is arranged in parallel with the steel pipe, and the soot blowing pipeline 5 can be close to or away from the side of the orifice of the steel pipe under the action of the transmission device 4.

[0062] One end of the transmission screw rod 19 is rotatably connected to the end face of the support 3, the other end of the transmission screw rod 19 is connected with the output end of the control motor, and the control motor is fixed on the support 3. Specific embodiment three:

[0064] A method for using a steel pipe soot blowing and sucking device collecting device, specifically comprising the following steps:

[0065] After the soot blowing end 1 and the soot sucking end 2 are installed on the steel pipe heat treatment line cooling bed or the pre-finishing line fixed-length pipe cutting machine, in use, the soot blowing pipeline 5 of the soot blowing end 1 is connected with the external air pump to blow air into the steel pipe through the soot blowing pipeline 5, at the same time, the soot sucking end 2 is connected with the negative pressure fan 13 of the negative pressure box 10, under the action of the negative pressure fan 13, the oxide skin enters into the first treatment device 7, the first treatment device 7 is a gravity dust collector to adsorb larger oxide skin, dust and particles enter into the negative pressure box 10 of the second treatment device 8 under the action of the negative pressure fan 13 and fall into the collecting box 11, the side wall of the collecting groove 16 is provided with a vibrator, the vibrator vibrates under the action of power to promote the oxide skin on the inner wall of the collecting groove 16 to slide down to the ash outlet of the collecting groove 16;

[0066] The soot blowing end 1 comprises a support 3 and a transmission device 4, the transmission device 4 is connected with the soot blowing pipeline 5, the soot blowing pipeline 5 is arranged in parallel with the steel pipe, the end position of the soot blowing pipeline 5 is provided in a conical structure, the conical surface part of the end position in the conical structure extends into the orifice of the steel pipe, and the soot blowing pipeline 5 can be close to or away from the side of the orifice of the steel pipe under the action of the transmission device 4.

[0067] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0068] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A steel pipe blowing and sucking ash equipment collecting device, characterized in that: It comprises a soot blowing end (1) and a soot suction end (2), which are arranged on two sides of the steel pipe, and the soot blowing end (1) and the soot suction end (2) are arranged behind the steel pipe heat treatment line cooling bed or the pre-finishing line fixed-length pipe cutting machine, and the soot suction end (2) is fixedly arranged on the side away from the soot blowing end (1); The soot blowing end (1) comprises a support (3) and a transmission device (4), the transmission device (4) is connected with a soot blowing pipeline (5), the soot blowing pipeline (5) is opposite to the orifice of the steel pipe and extends into the orifice of the steel pipe; The soot suction end (2) is connected with a connecting channel (6) in a welded manner, the inlet end of the connecting channel (6) is opposite to the orifice of the steel pipe, and the orifice of the steel pipe is insertedly connected with the connecting channel (6).

2. The steel pipe blowing and sucking ash equipment collecting device according to claim 1, characterized in that: The soot suction end (2) comprises a first treatment device (7) and a second treatment device (8), and the first treatment device (7) and the second treatment device (8) are arranged in series; The end of the soot suction end (2) is also connected with a dust removal device (9); Or the soot suction end (2) comprises a second treatment device (8).

3. The steel pipe blowing and sucking ash equipment collecting device according to claim 2, characterized in that: The first treatment device (7) is a gravity dust collector, and the first treatment device (7) is detachably connected with the second treatment device (8); The second treatment device (8) comprises a negative pressure box (10) and a collection box (11), the negative pressure box (10) is welded with a negative pressure pipeline (12), and the end of the negative pressure pipeline (12) is connected with a negative pressure fan (13).

4. The steel pipe blowing and sucking ash equipment collecting device according to claim 3, characterized in that: The negative pressure box (10) and the collection box (11) are integrated structures, and gaps are left between the negative pressure box (10) and the collection box (11), the negative pressure box (10) is fixedly provided with a partition layer (14), the bottom of the partition layer (14) is fixedly provided with two groups of symmetrical sinking channels (15), the sinking channels (15) are oppositely arranged with collection grooves (16), and the collection grooves (16) are arranged in a funnel structure.

5. The steel pipe blowing and sucking ash equipment collecting device according to claim 4, characterized in that: A vibrator is arranged on the side wall of the collection groove (16), and the vibrator vibrates under the action of power to make the oxide scale on the inner wall of the collection groove (16) slide down to the ash outlet of the collection groove (16).

6. The steel pipe blowing and sucking ash equipment collecting device according to claim 5, characterized in that: The dust removal device (9) comprises a cyclone separator (17) and a bag dust collector (18) connected with the cyclone separator (17) through a pipeline, and the bag dust collector (18) is connected with an exhaust fan through a pipeline.

7. The steel pipe blowing and sucking ash equipment collecting device according to claim 6, characterized in that: The transmission device (4) arranged on the soot blowing end (1) comprises a transmission screw rod (19) and a nut end (20) matched with the transmission screw rod (19), the nut end (20) is connected with a connecting end (21), and the connecting end (21) is fixedly connected with the soot blowing pipeline (5); The soot blowing pipeline (5) is arranged in parallel with the steel pipe, and the soot blowing pipeline (5) can be close to or away from the orifice of the steel pipe under the action of the transmission device (4).

8. The steel pipe blowing and sucking ash equipment collecting device according to claim 7, characterized in that: One end of the transmission screw rod (19) is rotatably connected to the end face of the support (3), and the other end of the transmission screw rod (19) is connected with the output end of a control motor (22), and the control motor (22) is fixed on the support (3).

9. The steel pipe blowing and sucking dust apparatus collecting device according to claim 8, characterized by: The end position of the blowing pipe (5) is provided in a conical structure, and the conical surface part of the end position in the conical structure extends into the orifice of the steel pipe.

10. A method of using a collection device for a steel pipe blowing and sucking ash apparatus according to any one of claims 1 to 9, characterized in that: Specifically, the method comprises the following steps: After the blowing end (1) and the dust suction end (2) are installed at the cold bed of the steel pipe heat treatment line or the fixed-length pipe cutting machine of the pre-finishing line, in the use state, the blowing pipe (5) of the blowing end (1) is connected with an external air pump to blow air into the steel pipe through the blowing pipe (5), and at the same time, the dust suction end (2) is connected with a negative pressure fan (13) of a negative pressure box (10), under the action of the negative pressure fan (13), the oxide scale enters into the first treatment device (7), the first treatment device (7) is a gravity dust collector, and adsorbs larger oxide scale; dust and particles enter into the negative pressure box (10) of the second treatment device (8) under the action of the negative pressure fan (13) and fall into the collecting tank (11); the side wall of the collecting groove (16) is provided with a vibrator, and the vibrator vibrates under the action of power to make the oxide scale on the inner wall of the collecting groove (16) slide down to the ash outlet of the collecting groove (16); The blowing end (1) comprises a support (3) and a transmission device (4), the transmission device (4) is connected with the blowing pipe (5), the blowing pipe (5) is arranged in parallel with the steel pipe, the end position of the blowing pipe (5) is provided in a conical structure, and the conical surface part of the end position in the conical structure extends into the orifice of the steel pipe, and the blowing pipe (5) can approach or move away from the orifice side of the steel pipe under the action of the transmission device (4).

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