CN209061367U - Cement producing line grinding machine maintenance safety protects early warning system - Google Patents
Cement producing line grinding machine maintenance safety protects early warning system Download PDFInfo
- Publication number
- CN209061367U CN209061367U CN201821832950.0U CN201821832950U CN209061367U CN 209061367 U CN209061367 U CN 209061367U CN 201821832950 U CN201821832950 U CN 201821832950U CN 209061367 U CN209061367 U CN 209061367U
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- CN
- China
- Prior art keywords
- mill
- pipeline
- exhaust gas
- alarm
- conditioning tower
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses cement producing line grinding machine maintenance safeties to protect early warning system; including hot air duct; the hot air duct is connected by high-temperature blower into conditioning Tower pipeline; it is described enter conditioning Tower pipeline end be conditioning Tower; the conditioning Tower, which passes through, unloads drying mill in the connection of mill pipeline, it is described in unload drying mill and be equipped with into mill hot-blast valve and entering valve grinding door；Drying mill is unloaded in described to be sequentially connected with mill pipeline, dust-precipitator, exhaust piping and exhaust gas fan is gone out；The outlet exhaust gas chimney of the exhaust gas fan；Drying mill is unloaded in described and is equipped with alarm, and the alarm connects to the control circuit；Controlling the switch that the control circuit is cut-off is the anti-BRKR Breaker being arranged on exhaust gas fan high-tension switch cabinet breaking coil circuit.Ensure service personnel's personal safety when maintenance in mill, when such as emergency case, grinding interior service personnel can withdraw rapidly to safety area after hearing sound-light alarm, substantially increase the safety coefficient constructed in mill.
Description
Technical field
The utility model relates to cement producing line service technique fields more particularly to cement producing line grinding machine maintenance safety to protect
Protect early warning system.
Background technique
Cement kiln waste gas blower is cement producing line important system equipment, and the safe and stable operation of equipment is directly related to
The stable operation of raw material grinding system.The effect of exhaust gas fan is that Raw Material System is made to be in negative pressure state, and productional surplus exhaust gas is arranged
Production system out, exhaust gas fan stop jumping can make entire Raw Material System exhaust gas that can not be discharged to cause positive pressure, the hot wind root of firing system
According to data monitoring, it can enter in mill in 51 seconds after blower stop jumping and cause Raw Material System positive pressure.Cement producing line raw mill is daily
It all needs to avoid peak electricity tariff operation or carries out regular inspection inspection, when there is personnel's maintenance in inside, if exhaust gas fan stop jumping, inspection can be threatened
The personnel of repairing will cause personal safety.Such as there is exhaust gas fan stop jumping, causes when being overhauled in raw mill in certain cement company
Positive pressure in raw mill, hot wind lead to casualties.Safety accident lesson is drawn, has to ensure when having personnel's maintenance in raw mill
The stable operation of exhaust gas fan.
Utility model content
The purpose of this utility model is exactly to solve the above-mentioned problems, to provide a kind of cement producing line grinding machine maintenance safety guarantor
Protect early warning system, it is ensured that service personnel's personal safety when maintenance in mill, when such as emergency case, service personnel is listening in mill
It can be withdrawn rapidly to safety area after to sound-light alarm, substantially increase the safety coefficient constructed in mill.
To achieve the goals above, the utility model adopts the following technical solution:
Cement producing line grinding machine maintenance safety protects early warning system, including hot air duct, the hot air duct to pass through high temperature
Blower is connected into conditioning Tower pipeline, it is described enter conditioning Tower pipeline end be conditioning Tower, the conditioning Tower passes through to be connected into mill pipeline
Unload drying mill in connecing, it is described to enter to grind pipeline and be equipped with into mill hot-blast valve and entering valve grinding door；
Drying mill is unloaded in described to be sequentially connected with mill pipeline, dust-precipitator, exhaust piping and exhaust gas fan is gone out；The exhaust gas wind
The outlet exhaust gas chimney of machine；
Drying mill is unloaded in described and is equipped with alarm, and the alarm connects to the control circuit；Control the control circuit
The switch cut-off is the anti-BRKR Breaker being arranged on exhaust gas fan high-tension switch cabinet breaking coil circuit.
Further, it is described go out mill pipeline be equipped with first and go out valve grinding door and second and go out valve grinding door, during normal production first
Valve grinding door and second goes out valve grinding door opening, closing when having personnel's maintenance in mill out.Heat when double valves effectively prevent blower stop jumping
Wind instantaneously seals in mill.
Further, the alarm also passes through driving circuit and the output of DCS system connects.The alarm takes two-way
Control, can alarm under the control of DCS system, also can issue alarm signal when control loop has and jumps vehicle problem.
Further, the switch that the control circuit is cut-off is controlled to be arranged in exhaust gas fan high-tension switch cabinet breaking coil
Anti- BRKR Breaker on circuit.
Further, into when overhauling in grinding machine, the control circuit closure, during normal operation, the control circuit is disconnected
It opens.
Further, it is described enter grind pipeline also pass through bypass duct be directly connected to it is described go out mill pipeline, the bypass duct
It is equipped with bypass valve.Bypass valve according to manufacturing technique requirent regulating switch, but in grinding, open when upkeep operation by bypass valve, enters mill
Valve grinding door is all closed out, and system hot wind is passed through by bypass duct.
The utility model has the beneficial effects that
Enter to grind pipeline be equipped with into mill hot-blast valve and enter valve grinding door can guarantee lock wind effect, 51 seconds hot winds are after jumping vehicle
Make to enter in mill by entering to grind hot-blast valve and entering valve grinding crack between a door and its frame gap, and normally enter the one thousandth of air quantity, personnel pass through sound
The notice of light warning device can have ready conditions safe escape.
The utility model can issue alarm signal by DCS system, can also be realized and be alarmed by the control of anti-BRKR Breaker,
Duplicate protection increases the reliability of alarm work.
Detailed description of the invention
Fig. 1 is the electric diagram of the utility model exhaust gas fan high-tension switch cabinet；
Fig. 2 is Tthe utility model system figure.
Wherein, 1, hot air duct, 2, high-temperature blower, 3, enter conditioning Tower pipeline, 4, conditioning Tower, 5, enter to grind pipeline, 6, enter mill
Hot-blast valve, 7, enter valve grinding door, 8, bypass duct, 9, bypass valve, 10, in unload drying mill, 11, second goes out valve grinding door, and 12, first goes out
Valve grinding, 13, go out mill pipeline, 14, electric bag collector, 15, exhaust piping, 16, exhaust gas fan, 17, exhaust gas chimney.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
As shown in Fig. 2, cement producing line grinding machine maintenance safety protects early warning system, including hot air duct 1, the hot air pipe
Road 1 is connected by high-temperature blower 2 into conditioning Tower pipeline 3, it is described enter conditioning Tower pipeline 3 end be conditioning Tower 4, the conditioning Tower
5 pass through and unload drying mill 10 in the connection of mill pipeline 5, described to enter to grind pipeline 5 and be equipped with into mill hot-blast valve 6 and entering valve grinding door 7；
Drying mill 10 is unloaded in described and goes out mill pipeline 13, electric bag collector 14, exhaust piping 15 and exhaust gas fan 16 successively
Connection；The outlet exhaust gas chimney 17 of the exhaust gas fan 16；
Drying mill 10 is unloaded in described and is equipped with alarm, and the alarm connects to the control circuit.
Further, the mill pipeline 13 out goes out valve grinding door 12 and second equipped with first and goes out valve grinding door 11.
Further, the alarm also passes through driving circuit and the output of DCS system connects.Alarm also can be in DCS
System is alarmed after issuing alarm signal.
As shown in Fig. 2, controlling the switch that the control circuit is cut-off is setting in exhaust gas fan high-tension switch cabinet tripping line
Enclose the anti-BRKR Breaker on the circuit TQ.
Further, into when overhauling in grinding machine, the control circuit closure, during normal operation, the control circuit is disconnected
It opens.
Further, it is described enter grind pipeline also pass through bypass duct be directly connected to it is described go out mill pipeline, the bypass duct
It is equipped with bypass valve.
By being transformed above, it is ensured that service personnel's personal safety when maintenance in mill when such as emergency case, grinds interior inspection
Repairing personnel can withdraw rapidly to safety area after hearing sound-light alarm, substantially increase the safety coefficient constructed in mill.
Cement producing line grinding machine maintenance safety protects method for early warning, comprising:
When overhauling in into grinding machine, the anti-BRKR Breaker on exhaust gas fan high-tension switch cabinet breaking coil circuit is got into alarm bit
It sets, breaking coil circuit disconnects, and control loop can not obtain electric, exhaust gas wind if any high-tension switch cabinet breaking coil when jumping vehicle signal
Machine still can operate normally and issue alarm signal when control loop has and jumps vehicle problem, and service personnel in grinding is reminded to withdraw；
DCS system obtains the run signal and frequency feedback signal of exhaust gas fan, when frequency feedback signal is higher than setting frequency
When rate and run signal loss, issues alarm driving onsite alarming device work and alarm.
During normal operation, the anti-BRKR Breaker gets to running position, breaking coil circuit closed, and control loop has jump vehicle
Vehicle can be jumped when signal plays normal protective effect.
Further, when frequency feedback signal is higher than 10Hz and run signal is lost, alarm driving acoustic scene is issued
Light crossing-signal work alarm.
Increase anti-BRKR Breaker in the trip(ping) circuit of exhaust gas fan high-tension switch cabinet, into grinding machine in switch is got to report when overhauling
Alert position, high-voltage board breaking coil can not obtain electric when if any control loop jump vehicle signal, and exhaust gas fan is problematic in control loop
When still can operate normally and issue alarm signal, be transferred to mill body warning device, service personnel in grinding reminded to withdraw.Runtime
Between switch reached running position, have to jump vehicle signal and can jump vehicle and play normal protective effect.
Further, safeguard protection method for early warning further include:
When being overhauled in into grinding machine, it will enter to grind entering to grind hot-blast valve and entering valve grinding door on pipeline and all close, to guarantee lock wind effect
Fruit.
Increase acoustic-optic alarm in exhaust gas fan high-voltage frequency converter trip(ping) circuit.Even if 51 seconds hot winds pass through lock after jumping vehicle
Plate valve (entering valve grinding door) and electronic hundred louver valve seam (entering to grind hot-blast valve) gap enter in mill, and normally enter air quantity thousand/
One, personnel can be had ready conditions safe escape by the notice of acoustic-optic alarm.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (5)
1. cement producing line grinding machine maintenance safety protects early warning system, characterized in that including hot air duct, the hot air duct is logical
High-temperature blower is crossed to connect into conditioning Tower pipeline, it is described enter conditioning Tower pipeline end be conditioning Tower, the conditioning Tower passes through into mill
Unload drying mill in pipeline connection, it is described in unload drying mill and be equipped with into mill hot-blast valve and entering valve grinding door；
Drying mill is unloaded in described to be sequentially connected with mill pipeline, dust-precipitator, exhaust piping and exhaust gas fan is gone out；The exhaust gas fan
Outlet exhaust gas chimney；
Drying mill is unloaded in described and is equipped with alarm, and the alarm connects to the control circuit；The control circuit is controlled to cut-off
Switch be the anti-BRKR Breaker being arranged on exhaust gas fan high-tension switch cabinet breaking coil circuit.
2. system as described in claim 1, characterized in that the mill pipeline out goes out valve grinding door and second equipped with first and goes out valve grinding
Door.
3. system as described in claim 1, characterized in that the alarm also passes through driving circuit and the output of DCS system connects
It connects.
4. system as described in claim 1, characterized in that when overhauling in into grinding machine, the control circuit closure operates normally the phase
Between, the control circuit disconnects.
5. system as described in claim 1, characterized in that described to enter to grind pipeline and also pass through bypass duct and be directly connected to described go out to grind
Pipeline, the bypass duct are equipped with bypass valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832950.0U CN209061367U (en) | 2018-11-07 | 2018-11-07 | Cement producing line grinding machine maintenance safety protects early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832950.0U CN209061367U (en) | 2018-11-07 | 2018-11-07 | Cement producing line grinding machine maintenance safety protects early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209061367U true CN209061367U (en) | 2019-07-05 |
Family
ID=67098166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821832950.0U Expired - Fee Related CN209061367U (en) | 2018-11-07 | 2018-11-07 | Cement producing line grinding machine maintenance safety protects early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209061367U (en) |
-
2018
- 2018-11-07 CN CN201821832950.0U patent/CN209061367U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200825 Address after: 277000 zhangshanzi Town, Taierzhuang District, Zaozhuang City, Shandong Province Patentee after: Shandong Quanxing Cement Co., Ltd Address before: Zaozhuang City, Shandong province 277417 Shan Zi Zhen Zhang Patentee before: Kong Fanhui |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 Termination date: 20201107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |