CN112032319A - Star-shaped discharge valve with safe operation monitoring device - Google Patents

Star-shaped discharge valve with safe operation monitoring device Download PDF

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Publication number
CN112032319A
CN112032319A CN202010768908.2A CN202010768908A CN112032319A CN 112032319 A CN112032319 A CN 112032319A CN 202010768908 A CN202010768908 A CN 202010768908A CN 112032319 A CN112032319 A CN 112032319A
Authority
CN
China
Prior art keywords
end cover
rear end
star
main shaft
discharge valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010768908.2A
Other languages
Chinese (zh)
Inventor
李大明
李一波
王绪鹏
刘华庆
雷发荣
邱未名
莫志东
梁铎钟
袁建林
颜霄飞
陈锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Iron and Steel Co Ltd
Original Assignee
Liuzhou Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liuzhou Iron and Steel Co Ltd filed Critical Liuzhou Iron and Steel Co Ltd
Priority to CN202010768908.2A priority Critical patent/CN112032319A/en
Publication of CN112032319A publication Critical patent/CN112032319A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of valve members
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • F16K37/0041—Electrical or magnetic means for measuring valve parameters

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The invention discloses a star-shaped discharge valve with a safe operation monitoring device, which relates to the technical field of blast furnace equipment manufacturing and comprises a valve body, a front end cover and a rear end cover, wherein a main shaft and an impeller are arranged in the valve body; one end of the main shaft penetrates through the front end cover to be connected with the driving device, and the other end of the main shaft is arranged on the rear end cover through a bearing seat; be equipped with a plurality of monitoring bosss along the circumference on the end plate near the rear end cover, the rear end is covered and is equipped with proximity switch with the corresponding position of arbitrary monitoring boss, and proximity switch's signal output part connects speed monitor's signal input part, and speed monitor's signal output part connects PLC control module's signal input part, the corresponding interface connection of PLC control module and computer. Compared with the prior art, the star-shaped discharge valve monitoring and judging device can visually monitor and judge the working condition of the star-shaped discharge valve according to the numerical value displayed by the computer, timely process the problem and ensure the stability of safety production.

Description

Star-shaped discharge valve with safe operation monitoring device
Technical Field
The invention relates to the technical field of blast furnace equipment manufacturing, in particular to a star-shaped discharge valve with a safe operation monitoring device for a blast furnace coal injection and pulverization system.
Background
In the industries of metallurgy and the like, a star-shaped discharge valve of a blast furnace coal injection and pulverization system mainly plays a role in discharging pulverized coal in a bag box and continuously and uniformly feeding the pulverized coal into a next device. The star-shaped discharge valve used in the metallurgical industry at present comprises a valve body, a front end cover and a rear end cover, wherein the front end cover and the rear end cover are connected with the valve body, a main shaft and an impeller fixed on the main shaft are arranged in the valve body, one end of the main shaft penetrates through the front end cover to be connected with a driving device, and the other end of the main shaft is arranged on the rear end cover through a bearing seat. Because no monitoring device is designed aiming at the operation of the impeller, the star-shaped discharge valve is difficult to find out and process in time when the driving device or parts such as the impeller and the main shaft fail to work normally in the working process. The star-shaped discharge valve can not work normally, coal is accumulated in the cloth bag box, the temperature is easy to rise and burn after the coal is accumulated, the cloth bag box is burnt and damaged, even explosion can occur, and the stability of safety production is seriously influenced.
Disclosure of Invention
The invention aims to provide a star-shaped discharge valve with a safe operation monitoring device, which can monitor the working condition of the star-shaped discharge valve and find problems in work in time.
In order to solve the problems, the invention adopts the technical scheme that: the star-shaped discharge valve with the safe operation monitoring device comprises a valve body, a front end cover and a rear end cover, wherein the front end cover and the rear end cover are connected with the valve body; one end of the main shaft penetrates through the front end cover to be connected with a driving device, and the other end of the main shaft is arranged on the rear end cover through a bearing seat; the rear end cover is close to be equipped with a plurality of monitoring bosss along the circumference on the end plate, rear end cover is last with arbitrary one the corresponding position of monitoring boss is equipped with proximity switch, proximity switch's signal output part connects speed monitor's signal input part, speed monitor's signal output part connects PLC control module's signal input part, PLC control module and the corresponding interface connection of computer.
In the above-mentioned star-shaped discharge valve technical scheme with safe operation monitoring device, more specific technical scheme can also be: the monitoring boss is a bolt which is arranged on the end plate close to the rear end cover in a penetrating mode, and the bolt is fastened through a nut.
Furthermore, the rear end cover is provided with a threaded hole for mounting the proximity switch, and the proximity switch is connected to the rear end cover through threads.
Furthermore, the driving device adopts a motor, and the motor is connected with the main shaft through a speed reducer.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the driving device drives the main shaft and the impeller to rotate, the proximity switch collects the operation information of a plurality of monitoring bosses on the impeller and transmits the operation information to the speed monitor when the impeller rotates for one circle, the speed monitor converts the received operation information into numerical value information, the PLC control module programs the numerical value information into a computer, the working condition of the star-shaped discharge valve can be visually monitored and judged according to the numerical value displayed by the computer, and problems are found and timely processed. Prevent that star discharge valve can not normally work and lead to sack case long-pending coal, the burning is easily riseed to the temperature behind the long-pending coal, avoids causing sack case scaling loss or explodes, guarantees the stability of safety in production.
2. The monitoring boss is a bolt which is arranged on an end plate close to the rear end cover in a penetrating mode and is fastened through a nut; the structure is simple, the processing is convenient, and the manufacturing cost is low.
3. The rear end cover is provided with a threaded hole for installing the proximity switch, the proximity switch is connected to the rear end cover through threads, and the proximity switch is convenient to disassemble and assemble.
4. The driving device adopts a motor, and the motor is connected with the main shaft through a speed reducer, so that the star-shaped discharge valve works reliably, the structure is compact, and the occupied space is small.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of the point i in fig. 1.
Fig. 3 is a schematic view showing the connection of the main shaft and the impeller in the embodiment of the present invention.
Fig. 4 is a left side view of fig. 3.
Detailed Description
The invention will be further described in detail with reference to the following examples:
the star-shaped discharge valve with the safe operation monitoring device as shown in fig. 1 and 2 comprises a valve body 4, a front end cover 10 and a rear end cover 11, wherein the front end cover 10 and the rear end cover 11 are connected with the valve body 4 through bolts respectively, the valve body 4 is a hollow cylinder, a powder collector cone 13 is connected above the valve body 4, and a scraper conveyor 14 is connected below the valve body 4. The valve body 4 is internally provided with a main shaft 2 and an impeller 3, the impeller 3 is provided with two end plates 3-1 which are sleeved on the main shaft 2, the two end plates 3-1 are welded with the main shaft 2, and blades 3-2 are arranged between the two end plates 3-1. One end of the main shaft 2 penetrates through the front end cover 10 to be connected with the driving device 1, the driving device 1 of the embodiment adopts a motor, and the motor is connected with the main shaft 2 through a speed reducer. The other end of the main shaft 2 is mounted on the rear end cover 11 through a bearing seat 12, three monitoring bosses 5 are uniformly distributed on the end plate 3-1 close to the rear end cover 11 along the circumference, the monitoring bosses 5 are bolts mounted on the end plate 3-1 close to the rear end cover 11 in a penetrating manner, and the bolts are fastened through nuts, as shown in fig. 3 and 4. One monitoring boss 5 is used as a monitoring point, a proximity switch 6 is arranged on the rear end cover 11 corresponding to any monitoring boss 5, a threaded hole for installing the proximity switch 6 is formed in the rear end cover 11, and the proximity switch 6 is connected to the rear end cover 11 through threads. The signal output end of the proximity switch 6 is connected with the signal input end of the speed monitor 7, the signal output end of the speed monitor 7 is connected with the signal input end of the PLC control module 8, and the PLC control module 8 is connected with the corresponding interface of the computer 9.
According to the invention, the motor drives the main shaft 2 and the impeller 3 to rotate, when the impeller 3 rotates for one circle, the approach switch 6 collects the operation information of three monitoring bosses 5 on the impeller 3 and transmits the operation information to the speed monitor 7, the speed monitor 7 converts the received operation information into numerical information, the PLC control module 8 programs the numerical information into the computer 9, the working condition of the star-shaped discharge valve can be intuitively monitored and judged according to the numerical value displayed by the computer 9, and the problem is found and timely processed. Prevent that star discharge valve can not normally work and lead to sack case long-pending coal, the burning is easily riseed to the temperature behind the long-pending coal, avoids causing sack case scaling loss or explodes, guarantees the stability of safety in production.

Claims (5)

1. A star-shaped discharge valve with a safe operation monitoring device comprises a valve body (4), a front end cover (10) and a rear end cover (11) which are connected with the valve body (4), wherein a main shaft (2) and an impeller (3) are arranged in the valve body (4), the impeller (3) is provided with two end plates (3-1) which are sleeved on the main shaft (2), and blades (3-2) are arranged between the two end plates (3-1); one end of the main shaft (2) penetrates through the front end cover (10) to be connected with the driving device (1), and the other end of the main shaft is arranged on the rear end cover (11) through a bearing seat (12); the method is characterized in that: be close to rear end housing (11) be equipped with a plurality of monitoring boss (5) along the circumference on end plate (3-1), rear end housing (11) go up with any one proximity switch (6) are equipped with to the corresponding position of monitoring boss (5), the signal input part of speed watch-dog (7) is connected to the signal output part of proximity switch (6), the signal input part of PLC control module (8) is connected to the signal output part of speed watch-dog (7), the corresponding interface connection of PLC control module (8) and computer (9).
2. The star discharge valve with safety operation monitoring device as claimed in claim 1, wherein: the monitoring boss (5) is a bolt which is arranged on the end plate (3-1) close to the rear end cover (11) in a penetrating mode and is fastened through a nut.
3. Star-shaped discharge valve with safety operation monitoring device according to claim 1 or 2, characterized in that: the rear end cover (11) is provided with a threaded hole for mounting the proximity switch (6), and the proximity switch (6) is connected to the rear end cover (11) through threads.
4. Star-shaped discharge valve with safety operation monitoring device according to claim 1 or 2, characterized in that: the driving device (1) adopts a motor, and the motor is connected with the main shaft (2) through a speed reducer.
5. The star discharge valve with safety operation monitoring device as claimed in claim 3, wherein: the driving device (1) adopts a motor, and the motor is connected with the main shaft (2) through a speed reducer.
CN202010768908.2A 2020-08-03 2020-08-03 Star-shaped discharge valve with safe operation monitoring device Pending CN112032319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010768908.2A CN112032319A (en) 2020-08-03 2020-08-03 Star-shaped discharge valve with safe operation monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010768908.2A CN112032319A (en) 2020-08-03 2020-08-03 Star-shaped discharge valve with safe operation monitoring device

Publications (1)

Publication Number Publication Date
CN112032319A true CN112032319A (en) 2020-12-04

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ID=73582300

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010768908.2A Pending CN112032319A (en) 2020-08-03 2020-08-03 Star-shaped discharge valve with safe operation monitoring device

Country Status (1)

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CN (1) CN112032319A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102583059A (en) * 2012-03-05 2012-07-18 厦门弘维能源环境技术有限公司 Suspended type gas locking discharge valve
CN102767626A (en) * 2012-07-06 2012-11-07 江苏泓明达机械有限公司 Starlike cinder valve
CN105035769A (en) * 2015-08-14 2015-11-11 上海隆麦机械设备工程有限公司 Rotary unloading valve for pneumatic material conveying system
CN204916991U (en) * 2015-09-17 2015-12-30 山东钢铁股份有限公司 Rotary vane feeder distance control device far away
CN107416435A (en) * 2017-08-23 2017-12-01 洪阳冶化工程科技有限公司 Frequency Adjustable formula ultrahigh-temperature discharge valve
CN108763837A (en) * 2018-07-17 2018-11-06 上海城投污水处理有限公司 Air lock simulation system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102583059A (en) * 2012-03-05 2012-07-18 厦门弘维能源环境技术有限公司 Suspended type gas locking discharge valve
CN102767626A (en) * 2012-07-06 2012-11-07 江苏泓明达机械有限公司 Starlike cinder valve
CN105035769A (en) * 2015-08-14 2015-11-11 上海隆麦机械设备工程有限公司 Rotary unloading valve for pneumatic material conveying system
CN204916991U (en) * 2015-09-17 2015-12-30 山东钢铁股份有限公司 Rotary vane feeder distance control device far away
CN107416435A (en) * 2017-08-23 2017-12-01 洪阳冶化工程科技有限公司 Frequency Adjustable formula ultrahigh-temperature discharge valve
CN108763837A (en) * 2018-07-17 2018-11-06 上海城投污水处理有限公司 Air lock simulation system

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Application publication date: 20201204

RJ01 Rejection of invention patent application after publication