CN205999331U - A kind of high pressure aqua ammonia pump frequency conversion linkage control system - Google Patents
A kind of high pressure aqua ammonia pump frequency conversion linkage control system Download PDFInfo
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- CN205999331U CN205999331U CN201620965854.8U CN201620965854U CN205999331U CN 205999331 U CN205999331 U CN 205999331U CN 201620965854 U CN201620965854 U CN 201620965854U CN 205999331 U CN205999331 U CN 205999331U
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- high pressure
- ammonia pump
- aqua ammonia
- control system
- frequency conversion
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Abstract
This utility model discloses a kind of high pressure aqua ammonia pump frequency conversion linkage control system, including support coal seam floor, high-voltage motor and aqueous ammonia pump of high pressure, also includes cold bulging DCS controller and high voltage converter；Described support coal seam floor and cold bulging DCS controller are connected by signal, and cold bulging DCS controller and high voltage converter are connected by signal, and high voltage converter is connected with high-voltage motor, and high-voltage motor is connected with aqueous ammonia pump of high pressure.This utility model improves coke oven smoke eliminating dust removing effect, meets environmental requirement；Reduce dust content in raw coke oven gas, improve cleaning system technique；In coke oven not coal, high pressure aqua ammonia consumption is little, and converter low-frequency runs, and greatly reduces power consumption；Aqueous ammonia pump of high pressure adopts VFC, reduces mechanical wear, substantially increases the running part service life of motor and pump, extends the time between overhauls(TBO), reduce equipment failure rate.
Description
Technical field
This utility model is related to a kind of high pressure aqua ammonia pump frequency conversion linkage control system, belongs to top dress coke oven in coking production and adds
Coal smoke and dust eliminating technology field.
Background technology
It is that the briquette made firm by ramming is sent from pusher side using support coal seam floor by coal car from the pusher side of coke oven during tamping coke furnace coal
Enter carbonization chamber, substantial amounts of flue dust can be gone out from carbonization chamber loss during coal, with smoke-guiding car, the flue dust that loss goes out is imported
N-1#, N+2# low pressure ammonia is switched to high pressure aqua ammonia by N-1#, N+2# carbonization chamber simultaneously, increases suction, reduces the pressure of carbonization chamber
Power is it is ensured that lead cigarette effect.By existing discharging plan, two coke ovens simultaneously coaling operation when need to open 3 DN25mm high pressure simultaneously
Ammonia three-way valve, leads to high pressure aqua ammonia system 4.5MPa reduced pressure to 3.0～3.2MPa, and it is poor to lead cigarette effect, a large amount of raw coke oven gas
Overflow from smoke guiding hole.
Content of the invention
The purpose of this utility model is to provide a kind of high pressure aqua ammonia pump frequency conversion linkage control system, by Frequency Converter Control
Mode controls flow, pressure and aqueous ammonia pump of high pressure running status to reach, to meet the mesh of coke oven smoke eliminating dust removing demand and energy-conservation
's.
This utility model is realized by following technical proposal：A kind of high pressure aqua ammonia pump frequency conversion linkage control system, including support
Coal seam floor, high-voltage motor and aqueous ammonia pump of high pressure it is characterised in that：Also include cold bulging DCS controller and high voltage converter；Described support
Coal seam floor and cold bulging DCS controller are connected by signal, and cold bulging DCS controller and high voltage converter are connected by signal, high pressure
Converter is connected with high-voltage motor, and high-voltage motor is connected with aqueous ammonia pump of high pressure.
Described support coal seam floor is provided with position switch.
Described position switch is connected by signal with cold bulging DCS controller.
Described high voltage converter adopts the technical parameter of 300KW/10KV.
Described high-voltage motor is threephase asynchronous.
Described aqueous ammonia pump of high pressure is horizontal type multi-stage pump.
Required height when setting the outlet initial pressure of aqueous ammonia pump of high pressure and smoke abatement and dust control first on cold bulging DCS controller
Pressure ammonia pressure, do not come out of the stove coal when just using default initial pressure run；When coming out of the stove, coal car is directed at carbonization chamber, when
When support coal seam floor support the briquette accomplished fluently and shifted carbonization chamber mouth onto, the position switch of support coal seam floor, with regard to action, transmits a signal to cold
Drum DCS controller, cold bulging DCS controller output contact signal to high voltage converter and then makes high-voltage motor accelerate, and improves high pressure
The outlet pressure of aqua ammonia pump raises to smoke abatement and dust control desirable pressure, coke oven ammonia spray pressure, and suction increases, the pressure of carbonization chamber
Reduce, increased smoke medicining dust-removing effect；When support coal seam floor is completely into carbonization chamber, when briquette is added to, support coal seam floor starts to move back
Go out carbonization chamber, the position switch action again of support coal seam floor, reset signal is transferred to cold bulging DCS controller, cold bulging DCS controls
Device break signal, high voltage converter recovers low-frequency operation and then makes high-voltage motor reduction of speed, the outlet pressure of aqueous ammonia pump of high pressure
It is reduced to default initial pressure, greatlys save electric energy, for ensureing smoke medicining dust-removing effect, predeterminable deceleration time compares speed up time
Several seconds of many prolongations.
By aqueous ammonia pump of high pressure converter and coke oven support coal seam floor chain control, according to high pressure aqua ammonia operating pressure and come out of the stove will
Ask and carry out VFC, meet smoke medicining dust-removing effect meet the requirement of environmental protection when coming out of the stove, overhaul period low-frequency operation simultaneously, reduce
Shock loading when equipment high rotating speed run time and driving and parking, reduces power consumption, extension device service life.
Service condition according to high pressure aqua ammonia system, it is ensured that delivering to the high pressure aqua ammonia pressure of coke oven, adopts support coal bottom simultaneously
Plate and high voltage converter chain control, improve motor speed it is ensured that high pressure aqua ammonia pressure, it is extensive that coal finishes rear converter during coal
Multiple low-frequency operation, reduces the consumption of electricity when satisfaction is coaling while smoke medicining dust-removing effect.
This utility model compared with prior art has following advantages and effect：
1st, largely improve coke oven smoke eliminating dust removing effect, meet environmental requirement；
2nd, reduce dust content in raw coke oven gas, improve cleaning system technique；
3rd, in coke oven not coal, high pressure aqua ammonia consumption is little, and converter low-frequency runs, and greatly reduces power consumption；
4th, aqueous ammonia pump of high pressure adopts VFC, reduces mechanical wear, substantially increases the driving section of motor and pump
Divide service life, extend the time between overhauls(TBO), reduce equipment failure rate；
5th, this utility model is mainly the improvement of environmental protection facility, has very big social benefit.
Brief description
Fig. 1 is the structural representation of high pressure aqua ammonia pump frequency conversion linkage control system.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further.
As illustrated, high pressure aqua ammonia pump frequency conversion linkage control system includes holding in the palm coal seam floor 1, high-voltage motor 4 and high pressure aqua ammonia
Pump 5, also includes cold bulging DCS controller 2 and high voltage converter 3；Described support coal seam floor 1 and cold bulging DCS controller 2 are by signal even
Connect, cold bulging DCS controller 2 and high voltage converter 3 are connected by signal, and high voltage converter 3 is connected with high-voltage motor 4, high-tension electricity
Machine 4 is connected with aqueous ammonia pump of high pressure 5；Support coal seam floor 1 is provided with position switch, and position switch passes through signal with cold bulging DCS controller 2
Connect.
Described high voltage converter 3 adopts the technical parameter of 300KW/10KV；High-voltage motor 4 is threephase asynchronous；High
Pressure aqua ammonia pump 5 is horizontal type multi-stage pump.
Set required when the outlet initial pressure of aqueous ammonia pump of high pressure 5 and smoke abatement and dust control first on cold bulging DCS controller 2
The pressure of high pressure aqua ammonia, do not come out of the stove coal when just using default initial pressure run；When coming out of the stove, coal car is directed at carbonization chamber,
When asking coal seam floor 1 support the briquette accomplished fluently and shift carbonization chamber mouth onto, the position switch of support coal seam floor 1 with regard to action, by signal transmission
To cold bulging DCS controller 2, cold bulging DCS controller 2 output contact signal to high voltage converter 3 and then makes high-voltage motor 4 accelerate,
To smoke abatement and dust control desirable pressure, coke oven ammonia spray pressure raises the outlet pressure improving aqueous ammonia pump of high pressure 5, and suction increases, charcoal
Change the reduced pressure of room, increased smoke medicining dust-removing effect；When support coal seam floor 1 is completely into carbonization chamber, when briquette is added to, hold in the palm coal
Base plate 1 starts to exit carbonization chamber, the position switch action again of support coal seam floor 1, and reset signal is transferred to cold bulging DCS controller
2, cold bulging DCS controller 2 break signal, high voltage converter 3 recovers low-frequency operation and then makes high-voltage motor 4 reduction of speed, high pressure
The outlet pressure of aqua ammonia pump 5 is reduced to default initial pressure, greatlys save electric energy, for ensureing smoke medicining dust-removing effect, predeterminable
Deceleration time extends several seconds than speed up time more.
Claims (6)
1. a kind of high pressure aqua ammonia pump frequency conversion linkage control system, including support coal seam floor, high-voltage motor and aqueous ammonia pump of high pressure, its feature
It is：Also include cold bulging DCS controller and high voltage converter；Described support coal seam floor and cold bulging DCS controller are connected by signal,
Cold bulging DCS controller and high voltage converter are connected by signal, and high voltage converter is connected with high-voltage motor, high-voltage motor and high pressure
Aqua ammonia pump connects.
2. high pressure aqua ammonia pump frequency conversion linkage control system according to claim 1 it is characterised in that：On described support coal seam floor
It is provided with position switch.
3. high pressure aqua ammonia pump frequency conversion linkage control system according to claim 2 it is characterised in that：Described position switch with
Cold bulging DCS controller is connected by signal.
4. high pressure aqua ammonia pump frequency conversion linkage control system according to claim 1 it is characterised in that：Described high voltage converter
Technical parameter using 300KW/10KV.
5. high pressure aqua ammonia pump frequency conversion linkage control system according to claim 1 it is characterised in that：Described high-voltage motor is
Threephase asynchronous.
6. high pressure aqua ammonia pump frequency conversion linkage control system according to claim 1 it is characterised in that：Described aqueous ammonia pump of high pressure
For horizontal type multi-stage pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965854.8U CN205999331U (en) | 2016-08-29 | 2016-08-29 | A kind of high pressure aqua ammonia pump frequency conversion linkage control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965854.8U CN205999331U (en) | 2016-08-29 | 2016-08-29 | A kind of high pressure aqua ammonia pump frequency conversion linkage control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205999331U true CN205999331U (en) | 2017-03-08 |
Family
ID=58194475
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620965854.8U Active CN205999331U (en) | 2016-08-29 | 2016-08-29 | A kind of high pressure aqua ammonia pump frequency conversion linkage control system |
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| CN (1) | CN205999331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735351A (en) * | 2019-02-26 | 2019-05-10 | 内蒙古金石镁业有限公司 | A kind of coke oven coal-charging smoke control device and method |
-
2016
- 2016-08-29 CN CN201620965854.8U patent/CN205999331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109735351A (en) * | 2019-02-26 | 2019-05-10 | 内蒙古金石镁业有限公司 | A kind of coke oven coal-charging smoke control device and method |
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| GR01 | Patent grant |