CN211437320U - Dust suction and removal unit for inner surface of petroleum steel pipe - Google Patents

Dust suction and removal unit for inner surface of petroleum steel pipe Download PDF

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Publication number
CN211437320U
CN211437320U CN201922275478.6U CN201922275478U CN211437320U CN 211437320 U CN211437320 U CN 211437320U CN 201922275478 U CN201922275478 U CN 201922275478U CN 211437320 U CN211437320 U CN 211437320U
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CN
China
Prior art keywords
dust
steel pipe
dust collector
pipeline
cyclone
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Expired - Fee Related
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CN201922275478.6U
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Chinese (zh)
Inventor
徐绘凯
南北稳
周康
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Xi'an Wanhe Metallurgy Technology Co ltd
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Xi'an Wanhe Metallurgy Technology Co ltd
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Priority to CN201922275478.6U priority Critical patent/CN211437320U/en
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Publication of CN211437320U publication Critical patent/CN211437320U/en
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Abstract

The utility model relates to an ash-absorbing dust-removing machine set on the inner surface of a petroleum steel pipe, which comprises a petroleum steel pipe feeding roller set, a pipe detection sensor, a pneumatic telescopic suction port, a cyclone air inlet pipeline, a cyclone dust collector dust-discharging trolley, a connecting pipeline, a pulse type bag dust collector dust-discharging trolley, an air outlet pipeline, a high-pressure centrifugal fan, an exhaust chimney, a pipeline silencer and an electrical control system, wherein the petroleum steel pipe feeding roller set is driven by a variable-frequency speed-reducing motor, the pneumatic telescopic suction port is of a conical structure, the bottoms of the cyclone dust collector and the pulse type bag dust collector are conical collecting hoppers and are provided with a heavy hammer dust-discharging valve, the pulse type bag dust collector is provided with a pulse controller, dust on the pulse type bag dust collector can be cleaned regularly, the high-pressure centrifugal fan is provided with an air inlet adjusting valve, and meanwhile, the air outlet is also connected with a frequency converter, and a pipeline silencer is arranged at the air outlet to reduce the noise generated when the unit operates.

Description

Dust suction and removal unit for inner surface of petroleum steel pipe
Technical Field
The utility model relates to a inhale grey dust removal unit in the oil steel pipe manufacturing technology field especially relates to grey dust removal unit is inhaled to oil steel pipe internal surface.
Background
After the heat-treated petroleum steel pipe is straightened by the straightening machine, in order to ensure the quality of the petroleum steel pipe, the petroleum steel pipe is generally required to be subjected to flaw detection, because oxide skin and dust attached to the inner wall surface of the petroleum steel pipe can fall off under the action of a straightening roller of the straightening machine to form residues and remain in the petroleum steel pipe when the heat-treated petroleum steel pipe is straightened by the straightening machine, in order to ensure the accuracy of the flaw detection, the oxide skin and the dust remained on the inner surface of the petroleum steel pipe after being straightened by the straightening machine must be removed, and therefore, the removal of the oxide skin and the dust on the inner surface of the petroleum steel pipe is an important advanced process. Most of dust suction and removal devices adopted by enterprises at present are of an open structure, one end of each dust suction and removal device blows a steel pipe by compressed air, the other end of each dust suction and removal device blows oxide skin and dust on the inner surface of the steel pipe by a tray, and the dust removal process is poor in sealing performance, extremely easy to produce air pollution and noise pollution, low in production efficiency, poor in dust removal effect and not beneficial to oxide skin and dust collection.
Disclosure of Invention
The utility model aims at providing a dust removal unit is inhaled to petroleum steel pipe internal surface to solve air pollution, noise pollution, productivity ratio low, the dust of straightening back petroleum steel pipe internal surface dust removal arouse easily in the current production poor and energy-conserving poor problem of collecting.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows: the dust collection unit for the inner surface of the petroleum steel pipe comprises a petroleum steel pipe feeding roller set, a pipe detection sensor, a pneumatic telescopic suction port, a cyclone air inlet pipeline, a cyclone dust collector dust discharge trolley, a connecting pipeline, a pulse type bag dust collector dust discharge trolley, an air outlet pipeline, a high-pressure centrifugal fan, an exhaust chimney, a pipeline silencer and an electrical control system.
In the above-mentioned dust collection unit for the inner surface of the petroleum steel pipe, the petroleum steel pipe feeding roller set is driven by a speed reduction motor, and the speed reduction motor is connected with a frequency converter.
In the above-mentioned oil steel pipe internal surface dust absorption dust removal unit, the pneumatic flexible suction inlet is a conical structure.
In the dust suction and removal unit for the inner surface of the petroleum steel pipe, the bottom of the cyclone dust collector is provided with a conical collecting hopper and a heavy hammer dust discharge valve, when dust accumulates to a certain weight, the heavy hammer dust discharge valve is automatically opened, the dust falls into the dust discharge trolley of the cyclone dust collector, and the cyclone dust collector can remove large-particle dust in the petroleum steel pipe.
In the dust suction and removal unit for the inner surface of the petroleum steel pipe, the pulse type bag-type dust remover is provided with the pulse control instrument, dust on a bag of the pulse type bag-type dust remover is cleaned regularly according to a pulse time period set by the pulse control instrument, meanwhile, the bottom of the pulse type bag-type dust remover is a conical collecting hopper and is provided with a heavy hammer dust discharge valve and an inspection door, the heavy hammer dust discharge valve is automatically opened after the dust accumulates certain weight, the dust falls into the dust discharge trolley of the pulse type bag-type dust remover, and the bag-type dust remover can remove small-particle dust in the.
In the above oil steel pipe inner surface dust suction and removal unit, the cyclone dust collector dust discharge trolley and the pulse type bag dust collector dust discharge trolley are provided with dust receiving ports, are respectively placed at the bottoms of the cyclone dust collector and the pulse type bag dust collector, and receive dust discharged from the collecting hoppers at the bottoms of the cyclone dust collector and the pulse type bag dust collector.
In the dust suction and removal unit for the inner surface of the petroleum steel pipe, the high-pressure centrifugal fan is provided with an air inlet adjusting valve, a flexible connection and a shock absorber so as to reduce noise and vibration in the operation process, and meanwhile, the high-pressure centrifugal fan is connected with a frequency converter.
In the dust suction and removal unit for the inner surface of the petroleum steel pipe, the pipeline silencer is of a carbon steel horizontal structure, so that the noise generated during the operation of the unit is reduced.
The utility model discloses a benefit: the pneumatic telescopic suction inlet adopted by the utility model is of a conical structure, can be tightly attached to the end part of the petroleum steel pipe to be treated, has good sealing performance, improves the dust absorption effect, the front end of the pneumatic telescopic suction port is provided with a pipe detection sensor, the pneumatic telescopic suction port is telescopic according to the signal of the pipe detection sensor, the production rhythm is improved, the bottoms of the cyclone dust collector and the pulse type bag dust collector are both provided with a cone-shaped collecting hopper and a heavy hammer ash discharging valve, the ash discharging is convenient, the high-pressure centrifugal fan is provided with an air inlet adjusting valve, a soft connection and a shock absorber to reduce the noise and the shock in the operation process, because the high-pressure centrifugal fan is connected with the frequency converter, the running speed of the fan can be controlled according to the production rhythm and different specifications of petroleum steel pipes to realize the purpose of energy conservation, and meanwhile, a pipeline silencer is arranged at an air outlet of the fan, so that the noise of the unit production environment is reduced.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
FIG. 1 is a schematic view of the arrangement of the dust suction and removal unit on the inner surface of the petroleum steel pipe;
FIG. 2 is a schematic top view of FIG. 1;
the reference signs are: 1-petroleum steel pipe to be treated, 2-petroleum steel pipe feeding roller set, 3-pipe detection sensor, 4-pneumatic telescopic suction port, 5-cyclone air inlet pipeline, 6-cyclone dust collector, 7-cyclone dust collector dust discharging trolley, 8-connecting pipeline, 9-pulse bag dust collector, 10-pulse bag dust collector dust discharging trolley, 11-air outlet pipeline, 12-high pressure centrifugal fan, 13-exhaust chimney, 14-pipeline silencer and 15-electrical control system.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to fig. 1 and 2.
The inner surface dust suction and removal unit of the petroleum steel pipe comprises a pneumatic telescopic suction port 4 fixed at one end of a petroleum steel pipe feeding roller group 2, and a pipe detection sensor 3 is arranged between a tail end roller of the petroleum steel pipe feeding roller group 2 and the pneumatic telescopic suction port 4; the pneumatic telescopic suction port 4 is communicated with a cyclone dust collector 6 through a cyclone air inlet pipeline 5; the outlet of the cyclone dust collector 6 is communicated with a connecting pipeline 8, and the other end of the connecting pipeline 8 is connected with the air inlet of a pulse type bag dust collector 9; an air outlet of the pulse bag-type dust collector 9 is communicated with an air inlet of a high-pressure centrifugal fan 12 through an air outlet pipeline 11 for flexible connection; the air outlet of the high-pressure centrifugal fan 12 is communicated with a pipeline silencer 14, and the pipeline silencer 14 is communicated with an exhaust chimney 13.
The specific working process of the utility model is that the motor of the petroleum steel pipe feeding roller group 2 rotates to convey the petroleum steel pipe 1 to be processed to the pneumatic telescopic suction port 4, when the pipe detecting sensor 3 detects the pipe, the signal is sent to the electrical control system 15, the electrical control system 15 controls the motor of the petroleum steel pipe feeding roller group 2 to stop running, and simultaneously controls the pneumatic telescopic suction port 4 to extend out and closely fit with the end part of the petroleum steel pipe 1 to be processed, meanwhile, the electrical control system 15 controls the high-pressure centrifugal fan 12 running at low speed to run at high speed in a frequency conversion way, the high negative pressure generated when the high-pressure centrifugal fan 12 runs at high speed generates large suction at the end part of the petroleum steel pipe 1 to be processed, so that the oxide skin and dust in the petroleum steel pipe 1 to be processed enter the cyclone dust collector 6 through the pneumatic telescopic suction port 4 along the cyclone air inlet pipeline 5, and the cyclone dust collector, the separated large-particle dust falls into a conical collecting hopper at the bottom of a cyclone dust collector 6, after reaching a certain weight, a heavy hammer valve in the conical collecting hopper at the bottom of the cyclone dust collector 6 is automatically opened, the dust in the conical collecting hopper at the bottom of the cyclone dust collector 6 falls into an ash discharging trolley 7 of the cyclone dust collector, unseparated fine particles and dust enter a pulse type bag dust collector 9 through a connecting pipeline 8 for secondary treatment, the fine particles and dust are attached to the bag through the airflow with the dust of the pulse type bag dust collector 9 under the action of negative pressure generated by a high-pressure centrifugal fan 12, a pulse controller controls a pulse valve on the pulse type bag dust collector 9 to clean the bag according to a set pulse period, the fine particles and the dust attached to the bag fall into the conical collecting hopper at the bottom of the pulse type bag dust collector 9, and after reaching a certain weight, the weight valve in the conical collecting hopper at the bottom of the pulse type bag-type dust remover 9 is automatically opened, dust in the conical collecting hopper at the bottom of the pulse type bag-type dust remover 9 falls into the dust discharging trolley 10 of the pulse type bag-type dust remover, the air after being treated by the pulse type bag-type dust remover 9 is air which reaches the standard and is discharged into the atmosphere through the exhaust chimney 13 by the pipeline silencer 14, after the petroleum steel pipe 1 to be treated continuously runs for a certain time at a high speed, the internal oxide skin and the dust are completely treated, at the moment, the electrical control system 15 controls the high-pressure centrifugal fan 12 to run at a low speed in a frequency conversion way, and simultaneously controls the pneumatic telescopic suction port 4 to retract, and the treated petroleum steel pipe 1 to be treated is sent to a flaw detection process, the utility model completes the once dust absorption and removal process, has good dust absorption and removal effect, and, the production efficiency is high.
In order to reduce vibration and noise in the production process and achieve the energy-saving effect, the high-pressure centrifugal fan 12 is provided with an air inlet adjusting valve, a flexible connection and a shock absorber and is connected with a frequency converter, when the next petroleum steel pipe 1 to be processed does not reach the pipe detection sensor 3, the high-pressure centrifugal fan 12 always keeps low-speed low-power operation, and only when the pipe detection sensor 3 detects that a pipe exists, the high-speed high-power operation is carried out, so that the energy-saving effect is achieved.
A pipeline silencer 14 is connected between the outlet of the high-pressure centrifugal fan 11 and the exhaust chimney 13, so that the noise generated during the operation of the unit is further reduced, and the purpose of environmental protection is achieved.

Claims (9)

1. The dust suction and removal unit for the inner surface of the petroleum steel pipe comprises a petroleum steel pipe feeding roller set (2), a pipe detection sensor (3), a pneumatic telescopic suction port (4), a cyclone air inlet pipeline (5), a cyclone dust collector (6), a cyclone dust collector dust discharge trolley (7), a connecting pipeline (8), a pulse type bag-type dust collector (9), a pulse type bag-type dust collector dust discharge trolley (10), an air outlet pipeline (11), a high-pressure centrifugal fan (12), an exhaust chimney (13), a pipeline silencer (14) and an electrical control system (15), and is characterized in that the pneumatic telescopic suction port (4) is communicated with an air inlet of the cyclone dust collector (6) through the cyclone air inlet pipeline (5), an air outlet of the cyclone dust collector (6) is communicated with an air inlet of the pulse type bag-type dust collector (9) through the connecting pipeline (8), and an air outlet of the pulse type bag-type dust collector (9) is communicated, the air outlet of the high-pressure centrifugal fan (12) is communicated with the air inlet end of the pipeline silencer (14), and the air outlet end of the pipeline silencer (14) is communicated with the exhaust chimney (13).
2. The oil steel pipe inner surface dust suction and removal unit as claimed in claim 1, wherein the oil steel pipe feeding roller set (2) is driven by a speed reduction motor and is connected with a frequency converter.
3. The dust suction and removal unit for the inner surface of the petroleum steel pipe as claimed in claim 1, wherein the pneumatic telescopic suction port (4) is of a conical structure.
4. The dust suction and removal unit for the inner surface of the petroleum steel pipe as claimed in claim 1, wherein the bottom of the cyclone dust collector (6) is a cone-shaped collecting hopper with a weight drop ash valve.
5. The inner surface ash absorbing and dust removing unit of the petroleum steel pipe as claimed in claim 1, wherein the bottom of the pulse bag dust remover (9) is a cone-shaped collecting hopper with a weight drop ash discharging valve.
6. The oil steel pipe inner surface dust suction and removal unit as claimed in claim 1, wherein a cyclone dust collector dust discharge trolley (7) is placed at the bottom of the cyclone dust collector (6).
7. The inner surface ash-absorbing and dust-removing unit of the petroleum steel pipe as claimed in claim 1, wherein the pulse type bag-type dust remover (9) is provided with a pulse control instrument, and the bottom of the pulse type bag-type dust remover is provided with an ash-discharging trolley (10).
8. The dust suction and removal unit for the inner surface of the petroleum steel pipe as claimed in claim 1, wherein the high-pressure centrifugal fan (12) is provided with an air inlet adjusting valve, a flexible connection and a shock absorber, and is connected with a frequency converter.
9. The dust suction and removal unit for the inner surface of the petroleum steel pipe as claimed in claim 1, wherein the pipe silencer (14) is installed between the air outlet of the high-pressure centrifugal fan (12) and the exhaust chimney (13).
CN201922275478.6U 2019-12-18 2019-12-18 Dust suction and removal unit for inner surface of petroleum steel pipe Expired - Fee Related CN211437320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922275478.6U CN211437320U (en) 2019-12-18 2019-12-18 Dust suction and removal unit for inner surface of petroleum steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922275478.6U CN211437320U (en) 2019-12-18 2019-12-18 Dust suction and removal unit for inner surface of petroleum steel pipe

Publications (1)

Publication Number Publication Date
CN211437320U true CN211437320U (en) 2020-09-08

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ID=72310744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922275478.6U Expired - Fee Related CN211437320U (en) 2019-12-18 2019-12-18 Dust suction and removal unit for inner surface of petroleum steel pipe

Country Status (1)

Country Link
CN (1) CN211437320U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115364595A (en) * 2022-09-26 2022-11-22 湖南核三力技术工程有限公司 Device and method for eliminating process negative pressure fluctuation caused by pulse injection of bag-type dust remover and dust removal system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115364595A (en) * 2022-09-26 2022-11-22 湖南核三力技术工程有限公司 Device and method for eliminating process negative pressure fluctuation caused by pulse injection of bag-type dust remover and dust removal system

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Granted publication date: 20200908