CN109733891A - A kind of storehouse pump is energy saving to detect control instrument and its working method - Google Patents
A kind of storehouse pump is energy saving to detect control instrument and its working method Download PDFInfo
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- CN109733891A CN109733891A CN201811472632.2A CN201811472632A CN109733891A CN 109733891 A CN109733891 A CN 109733891A CN 201811472632 A CN201811472632 A CN 201811472632A CN 109733891 A CN109733891 A CN 109733891A
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Abstract
The invention belongs to industrial dedusting environmental protection applied technical fields, a kind of storehouse pump energy conservation detection control instrument is specifically disclosed, is made of controller host, operation keyboard, parameter display window, sensor signal converting transmission module, sensor lock, sensor probe connecting plate and monitoring assembly.The beneficial effect of a kind of storehouse pump energy conservation detection control instrument and its working method of the invention is: solving many disturbing factors such as the high temperature of material in the pump of storehouse, temperature drift, friction, bridging wrong report, the interference of suspension powder, rapid blanking and air pressure impact, ashes electrostatic interference, the variation of coal product, it can be according to material starting material parameter state when use, automatically track the practical ash position height of amendment, practical grey position in the pump of storehouse can be precisely measured, provides accurate signal for next step switch unloading valve；There can be promotion in terms of energy saving in gas consumption, valve service life, pipe wear, the service life of air compressor machine, recirculated cooling water of air compressor machine etc..
Description
Technical field
The invention belongs to industrial dedusting environmental protection applied technical fields, and in particular to a kind of storehouse pump energy conservation detection control instrument and
Its working method, suitable for mine, the energy conservation and control of electric power, metallurgical Pneumatic ash conveying.
Background technique
Pneumatic conveying is an integrated technology, it is related to hydrodynamics, material science, automatic technology, manufacturing technology
Equal fields, belong to transfer efficiency is high, land occupation less, economic and free of contamination advanced technological hem.In recent years, Pneumatic Conveying Technology is each
A field is rapidly developed and is applied, especially high concentrated phase (solid gas mixing ratio), low energy consumption, large capacity, long range it is novel
Device constantly comes out.High concentrated phase, low speed conveying make the energy consumption of pneumatic conveying already close to belt conveyor.Due to traditional level
The error of signal is counted, solution gas consumption waste is serious, and valve switch frequency is too fast, dilute still without being formed for this mode of movement so far
Mutually the backward technology such as conveying friction does not adapt to modern industry power conservation requirement, and theoretical research lags behind practical application significantly.For
It is the key that improve each manufacturing enterprise's energy-saving and emission-reduction that this, which solves accurate storehouse pump level measurement and defeated grey time control,.
The preferential design principle of material position is usually followed when the pneumatic ash removal system of coal unit and metallurgy industry is in design,
And has the function of guardtime.So having to put in the first place material position data information in design.It is common at present to remove
Level-sensing device used in ash system includes the forms such as tuning fork, ultrasonic wave, radio frequency admittance, radar, capacitor, generally uses plug-in type
Mounting means, level-sensing device probe needs to directly contact coal ash.Because of the mixture that coal ash is granular material and solid material, stick
Knot property is stronger, and mobility is poor, so being often attached on material position flowmeter sensor, information is caused to be reported by mistake.In order to solve this
Problem, many ash disposal systems can only select the removal work that coal ash or dedusting ashes are completed using the mode that the time charges.For
There is a phenomenon where dusts to block in the pump of guarantee storehouse, and charge time set by system is relatively conservative, fills the period of ash conveying
Very short, defeated ash quantity is very low each time, and the serious air consumption for increasing ash disposal system causes the waste of resource.In addition to this, frequency
Numerous dust conveying can cause serious abrasion to valve pipe, shorten the service life of ash disposal system, in system maintenance and inspection
The cost built can also increase accordingly.
The factors such as principle, storehouse pump environment, the instrument structure of the level-sensing device used in practical applications due to us, so that storehouse
Pump level-sensing device occurs 98% or more and generates wrong report, refuses to submit.The design of provided several Related products is also not complete enough on current market
It is kind, it is unable to complete the automatic Calibration of standard.When the coal source radiation activity in coal power plant changes, it is necessary to worker be sent to go live progress
Artificial check and correction scale merit, even no change has taken place in coal source, these equipment can also occur after operating normally a period of time
Certain deviation needs periodically to proofread, greatly wastes manpower and financial resources, these instruments are in the design of material position real-time
It is incomplete, it can only obtain empty material by these instruments and completely expect the alarm signal of two kinds of situations, cannot achieve the reality to material position
When monitor.Although the material position situation of each point can be obtained in instrument, effective method is found not yet to realize material position
With the fitting of counting rate standard curve, so being unable to complete accurate measurement, when level-sensing device is not punctual, storehouse pump Level control loses work
With storehouse pump control system automatically switches to time control, no longer comprehends level-sensing device signal.
In terms of the old-fashioned storehouse pump using effect of tradition, a lot of power plant, metallurgy industry storehouse are pumped since level-sensing device is not handy, defeated ash system
System mostly uses time control greatly, and since ash bucket blanking velocity is unstable, from safety considerations, the time is all arranged to compare guarantor
It keeps, as a result results in the ash of each storehouse pump conveying seldom, the compressed air used up is very much.When ash quantity is bigger, and have little time
When ash discharge, a large amount of dust stratifications in ash bucket are allowed for.Another side effect increases the air consumption for conveying ash per ton, increases to ash discharge
The abrasion of pipeline, valve when feed time sets too long, and has little time ash discharge, causes a large amount of dust stratifications in ash bucket, causes safety hidden
Suffer from.
Due to controlling storehouse pump work using the time, operating frequency is very high in the pump work of storehouse, internal work bad environments,
Level-sensing device is easy to damage, leads to wrong report and failure.So that Level control is difficult to really be used in operation, storehouse pump charging
What control was substantially carried out according to time control model.Since operation considers from security standpoint and not stifled grey angle, storehouse pump into
The material time was controlled in the very short time.Storehouse pump inlet amount depends primarily on ash quantity in ash bucket above, and ash quantity is big, and more than 10 seconds
Will full pumping, and when seldom without ash or ash quantity in ash bucket, causing the full pumping time, long (half an hour can not may also reach
To the pump of one third).So as to cause in multiple circulation, storehouse pump causes big in the defeated grey state of the even empty pump of very low amount
Losses of compressed air is measured, energy waste is serious.Simultaneously as time control room, every smaller, storehouse pumps minute quantity coal ash or empty pump is defeated
Ash accounts for 65% or more of entire defeated grey number, and system acting frequency is high, the peripheral equipments quick abrasion such as inlet valve, when ash quantity is few,
Ash-transmission system is in the defeated grey state of dilute phase, and ash conveying pipe abrasion is big, is also easy to the generation for causing pipeline to block up ash.
The defeated grey time control logic operation figure of tradition, in the actual condition of electric precipitation and ash-transmission system, since unit is negative
Unstable and coal dust burdening the difference of lotus operation.The grey quantity variance of ash bucket decline is very big.Existing defeated ash control is patrolled
Volume, when ash quantity is big, system response does not come, and when ash quantity very little, system resource waste is serious,
By the analysis of following data, it may be seen that original ash-transmission system is in the control logic based on " time control "
Under, the actual state of ash bucket, blow tank conveying, and using ash " energy saving storehouse pump detection controller " the defeated grey journey of starting blow tank conveying
The actual state (as shown in Figure 4, Figure 5) of sequence.From Fig. 4 and Fig. 5 as can be seen that under the mode of use " time control ":
It is very big that ash quantity difference is fallen every time in the pump of storehouse.It may know that according to field observation and analysis, the amount of storehouse pump charging depends primarily on
The amount of dry ash in square ash bucket.When ash material is more in ash bucket, storehouse pump charging is substantially full pumping, when expecting seldom in ash bucket, storehouse
Charging seldom, is even in empty pump operation in pump.From the point of view of the case where being tested according to the same day, in 24 hours, storehouse pump is big more than one
Half time was in empty pump operation state.It is counted according to live historical experience and situation, under current time control model, storehouse pump has
It is under consuming energy inefficient state and runs more than 60% time.A large amount of compressed air and the energy are wasted, meanwhile, charging/discharging valve
Door also goes back frequent movement under ashless state, and compressed air consumption is higher, and the mechanical wear of equipment is big, reduces service life,
Increase the maintenance of equipment.
From the point of view of the contact material level instrument and passive nuclear level sensing device just produced both at home and abroad at present, perplex our main
Have two large problems: 1, the flyash source of steam power plant changes frequent occurrence or even some coal sources radiation activity differs greatly that (maximum reaches
To 100 times or more), and the measurement of material position is to be demarcated based on coal source radiation activity, therefore this product occurs in coal source
Calibration must be just re-started when variation to be worked normally, and being easy to use property is very poor, and practicability is not ideal enough；2, do not have
The real-tune TT & C function of material position is similar to a switch, and only identification material is full empty with material, and the accuracy of this product is poor, right
Comparing accurately system in material position requirement can not be applicable in.
Based on the application status of current steam power plant's level-sensing device, the shortcomings that comparing conventional level-sensing device and passive nuclear level sensing device,
The development for basing oneself upon current nuclear technology, conventional level-sensing device detection disadvantage can be overcome and precisely measure in the pump of storehouse by developing one kind
Ash position height, using grey position signal as main control unloading valve put grey frequency signal from control program, (ash is unloaded in time control
Valve is as auxiliary signal) abrasion (dilute phase of the energy conservation of ash-transmission system, the service life of valve and pipeline can be solved significantly in this way
Conveying).
Therefore, based on the above issues, the present invention provides a kind of storehouse pump energy conservation detection control instrument and its working method.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of storehouses to pump energy conservation detection control instrument and its working method, whole
Body is reasonable in design, solves the problems of existing contact material level instrument or passive nuclear level sensing device, realizes storehouse
The analog quantity of material position is shown in pumping, and has carried out the material position expert world control model of storehouse pump, is improved defeated grey efficiency, is avoided
The waste of ash-transmission system compressed air, operator can change in time according to the material position situation in actual motion production capacity and storehouse pump
The method of operation avoids influencing efficiency of dust collection, and then reaches the effect of emission reduction.
Technical solution: an aspect of of the present present invention provides a kind of storehouse pump energy conservation detection control instrument, by controller host, and sets
Set operation keyboard, parameter display window on controller host, and the sensor signal being used in combination with controller host
Converting transmission module, and the sensor lock below sensor signal converting transmission module is set, and setting is locked in sensor
The sensor probe connecting plate of one end is detained, and connect monitoring assembly composition with sensor probe one end of the connection board；The monitoring group
Part, including feeler lever, and the insulating layer of feeler lever outer layer is set, and several sensor probes of setting on the insulating layer, and set
The protective layer of several sensor probes is set on the insulating layer and wrapped up, and the sensor weight of feeler lever one end is set.
The technical program, the feeler lever, insulating layer are located in sensor weight.
The technical program, the controller host, for providing power supply, and handle to sensor signal converting transmission module
The signal that the acquisition of sensor signal converting transmission module comes is calculated, and the setting of whole equipment, signal conversion, misses control
Thus difference amendment, temperature compensation signal are all completed.
The technical program, the parameter display window is for showing equipment operation condition, parameters revision, equipment alarm,
Storehouse pumps ashes height, input, amendment of the operation keyboard for numerical parameter.
The technical program, the sensor signal converting transmission module is used to ashes degree of physical signal being converted into electricity
Signal is transferred to controller host.
The technical program, the feeler lever is made using 316L stainless steel；The insulating layer is made using polytetrafluoroethylene (PTFE)；
The protective layer is made using polyurethane.
Another aspect of the present invention provides a kind of working method of storehouse pump energy conservation detection control instrument, includes the following steps,
Step 1, several sensor probes accurately measure storehouse using field-effect working principle and pump interior practical ash position height.Step 2, sensing
The export that device signal converting transmission module receives several sensor probes feedback pumps interior practical ash position height parameter, and using by force
The data that big computer function uploads several sensor probes are modified, compensate, static elimination, amplifying 4 ~ 20mA of transmission
Enter controller host afterwards.Step 3, controller host are shown after receiving parameter, are carried out when not meeting parameter preset pre-
It is alert.
The technical program, controller host is configured by operating keyboard in the step 3, by the original time
Priority acccess control logic 100S is changed to the preferential defeated grey logical course in grey position, and height 6000mm, two electricity are arranged with electric field in ash position height
Field 5000mm, three electric field heights are set as 4000mm, wherein ash position height, which is arranged, to be according to payload, coal product situation
Arbitrarily setting, time control number as guaranteeing the minimum on system, and the electric field time is set as 4000S, and two electric field times were set as 5000S tri-
The electric field time is set as 6000S, and time setting can be arbitrarily arranged in system according to payload, coal product situation, with unload ash
Speed sync, parameter display window make grey position change curve according to the variation that storehouse pumps grey position signal and show record, make to operate
Personnel grasp each storehouse at any time and pump grey position change procedure, from the circle judged in storehouse pump operation state and system in curve graph
The operating conditions such as overhead-valve abrasion and gas leakage, defeated grey valve, balanced valve, ash bucket hanging, ash conveying pipe abrasion.
Compared with prior art, the beneficial effect of a kind of storehouse of the invention pump energy conservation detection control instrument and its working method
It is: 1, solves high temperature, temperature drift, friction, bridging wrong report, the interference of suspension powder, rapid blanking and air pressure punching that storehouse pumps interior material
Hit, many disturbing factors, when use such as ashes electrostatic interference, coal product variation can be according to material starting material parameter state, automatically
The practical ash position height of tracking correction, can precisely measure practical grey position in the pump of storehouse, provide accurate letter for next step switch unloading valve
Number；2, the analog quantity for realizing material position in the pump of storehouse is shown, and has carried out the material position expert world control model of storehouse pump, is improved defeated
Grey efficiency, avoids the waste of ash-transmission system compressed air, and operator can be according to the material position in actual motion production capacity and storehouse pump
Situation changes the method for operation in time, avoids influencing efficiency of dust collection, and then achieve the effect that emission reduction；3, can make in gas consumption, valve
With the service life, pipe wear, the service life of air compressor machine, air compressor machine recirculated cooling water etc. energy conservation and in terms of all
There is promotion.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of storehouse pump energy conservation detection control instrument of the invention；
Fig. 2 be the feeler lever of storehouse pump energy conservation detection control instrument of the invention a kind of, insulating layer, protective layer partial enlargement structure show
It is intended to；
Fig. 3 is storehouse stock position tendency chart under pump energy saving Level control logic for detecting control instrument in a kind of storehouse of the invention；
Fig. 4 is the ash bucket material position tendency chart under the temporal logic control of existing instrument；
Fig. 5 is the storehouse stock position tendency chart under the temporal logic control of existing instrument；
Wherein, serial number mark is as follows in figure: 1- controller host, 2- operate keyboard, 3- parameter display window, 4- sensor signal
Converting transmission module, 5- sensor lock, 6- sensor probe connecting plate, 7- sensor probe, 8- sensor weight, 9- are visited
Bar, 10- insulating layer, 11- protective layer.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
A kind of storehouse pump energy conservation detection control instrument as depicted in figs. 1 and 2, by controller host 1, and is arranged in controller
Operation keyboard 2, parameter display window 3 on host 1, and the sensor signal conversion being used in combination with controller host 1 pass
Defeated module 4, and the sensor lock 5(being arranged in below sensor signal converting transmission module 4 stand impact within five tons
And do not fall off), and be arranged in sensor latch 5 one end sensor probe connecting plate 6, and with sensor probe connecting plate 6 one
End connection monitoring assembly composition；The monitoring assembly, including feeler lever 9, and the insulating layer 10 of 9 outer layer of feeler lever is set, and setting
Several sensor probes 7 on insulating layer 10, and it is arranged on insulating layer 10 and wraps up the guarantor of several sensor probes 7
Sheath 11, and sensor weight 8(sensor weight and sensor lock that 9 one end of feeler lever is arranged in be using retrodicting eight, anti-steel wire
The method of lock, can only be more firm with the bigger lock of pulling force when making steel cable stress, until wirerope is broken and latching does not allow to fall off
Snap close mode).
It is further preferred that the feeler lever 9, insulating layer 10 are located in sensor weight 8；The controller host 1, is used for
There is provided power supply to sensor signal converting transmission module 4, and sensor signal converting transmission module 4 acquire the signal that comes into
Row calculates, thus the setting of whole equipment, control, signal conversion, error correction, temperature compensation signal are all completed；The parameter
Display window 3 is for showing equipment operation condition, and parameters revision, equipment alarm, storehouse pumps ashes height, operates keyboard 2 for counting
Input, the amendment of value parameter；The sensor signal converting transmission module 4 is used to ashes degree of physical signal being converted into telecommunications
Number it is transferred to controller host 1；The feeler lever 9 is made using 316L stainless steel；The insulating layer 10 uses polytetrafluoroethylene (PTFE) system
?；The protective layer 11 is made using polyurethane.
A kind of working method of storehouse pump energy conservation detection control instrument of the invention, includes the following steps, step 1, several
Sensor probe 7 accurately measures storehouse using field-effect working principle and pumps interior practical ash position height.Step 2, sensor signal conversion
The export that transmission module 4 receives several sensor probes 7 feedback pumps interior practical ash position height parameter, and utilizes powerful computer
The data that function uploads several sensor probes 7 are modified, compensate, static elimination, enter after 4 ~ 20mA of amplification transmission
Controller host 1.Step 3, controller host 1 are shown after receiving parameter, and early warning is carried out when not meeting parameter preset.
Wherein, controller host 1 is configured by operating keyboard 2 in the step 3, by original time priority control
Logic 100S processed is changed to the preferential defeated grey logical course in grey position, and height 6000mm, two electric fields are arranged with electric field in ash position height
5000mm, three electric field heights are set as 4000mm, wherein ash position height setting can be according to payload, coal product situation in system
Upper arbitrarily setting, time control number as guaranteeing the minimum, and the electric field time is set as 4000S, and two electric field times were set as tri- electricity of 5000S
Field time is set as 6000S, and time setting can be arbitrarily arranged in system according to payload, coal product situation, with unload grey speed
Degree synchronizes, and parameter display window 3 makes grey position change curve according to the variation that storehouse pumps grey position signal and shows record, makes operator
Member grasps each storehouse at any time and pumps grey position change procedure, from the dome judged in storehouse pump operation state and system in curve graph
The operating conditions such as valve abrasion and gas leakage, defeated grey valve, balanced valve, ash bucket hanging, ash conveying pipe abrasion.
Storehouse pump energy conservation detection control instrument of the invention, on the one hand divides and pumps grey position to defeated ash cellar using contact type measurement mode
It measures, is mainly made of probe segment and host machine part, while considering that storehouse pumps the high temperature of interior ashes, temperature drift, friction, bridging
Many disturbing factors such as wrong report, the interference of suspension powder, rapid blanking and air pressure impact, ashes electrostatic interference, the variation of coal product, probe
Part mainly by corrosion resistant 316L stainless steel material, high-temperature corrosion resistance Teflom Insulation Material, prevent wear-resisting impact
Polyurethane flexible material composition (solves traditional because of dusty, Gao Jing electricity, high temperature, quick washing, friction, corrosion in the pump of storehouse
Etc. report by mistake, refuse to submit caused by adverse circumstances interference), host uses microelectronics computing technique, carries out to probe acquisition signal each
Kind parameter compensation；Another aspect software program setting, tradition using " time as master control, ash position be auxiliary control " control program be changed to
Using " grey position be auxiliary control for master control, time ", the auxiliary control time extends two/three times or so compared with the original time, can save mass energy, prolong
Long service life of equipment.By taking 660MW generating set as an example, the time is provided that eight storehouse pump time controls of an electric field by original
Come 1000 to be set as 4000 seconds, pump time control in two eight, electric field storehouses is set as 5000 seconds by original 3000, three eight, electric field storehouses
It pumps time control to be arranged by original 6000 seconds are as follows: 20000 seconds, four eight, electric field storehouses pumped time control and were arranged by original 20000 seconds
Are as follows: 50000 seconds, five eight, electric field storehouses pumped time control and were arranged by original 40000 seconds are as follows: 80000 seconds.
Embodiment
Tendency chart as shown in Figure 3 combines non-cutting time curve graph to may determine that ash bucket hanging and valve damage, using material
The method of operation after being transformed based on the signal control of position:
(1) each supply unit is run by the parameter automatic programme control of setting under normal circumstances, and process is opened for the inlet valve that brings into operation
(transfer pot starts dress ash) --- the dress grey time that transfer pot material position reaches setting value or setting arrives --- inlet valve pass --- outlet valve
Open one-inlet open (starting to convey), one-conveyance conduit pressure and be down to setting value --- intake valve close (a conveying circulation terminates)
One-enters subsequent cycle.
(2) two parameter setting windows are arranged in this program, are the setting of charging ash position height and admission pressure setting: charging respectively
Grey position is arranged in the case where guaranteeing that electric duster ash bucket is discontented grey in ash position height setting, the setting of entry level as far as possible
Higher position accounts for entire range 60% or so；Into the setting of grey time, to ensure storehouse pump safe operation, using ash position height as base
Lower setting time guarantee signal is inscribed before calibration signal, supplement level-sensing device occurs under abnormal conditions, and time guarantor can be arranged to greatest extent
The discontented ash of ash bucket is demonstrate,proved, to reach safety, energy-efficient purpose.
- 2018 years in October, 2017, material position after storehouse pump energy conservation detection control instrument of the invention was installed by 09 Yue Guo electricity Mou enterprise
Meter failure is reduced to 0 time by original 137 times/year, level-sensing device reliable operation, to the operating condition stabilizing effect for improving storehouse pump
Obviously, automatic input rate increases, and reduces the occurrence of dilute phase is defeated grey, reduces the action frequency of valve, greatly save
Defeated grey compressed air usage amount, and a large amount of maintenance man-hours and maintenance cost of replacement level-sensing device have been saved, greatly reduce storehouse
The maintenance cost of the maintenance workload of pump valve and ash-transmission system pipeline, effectively increases ash-transmission system reliability of operation.
Economic and Efficiency Analysis:
By taking the defeated ash cellar pump of certain electric eight, one electric field of 660MW unit of state is mounted with eight energy saving storehouse pump detection controllers as an example:
Before storehouse pump is without level-sensing device, installation is high-order, low-side switch position is used as monitoring, and lower ash time (artificial adjustment) is triggered automatic
Defeated ash, lower ash time are adjusted to ensure that subject to completion in defeated grey 8 to 12 minutes.After level-sensing device installation, A1, B1, D1 electric field can not
It puts into operation, always non-test run, is changed to material position and lower grey time dual trigger from the defeated ash of one electric field of #2 furnace on March 15 by lower grey time trigger
Control, lower ash time were changed to 4000 seconds by 1000 seconds, and material position is adjusted to 0.6 meter (1 meter of zero-bit) by 0.4 meter, later because of DCS system
Logic is not comprehensive, leads to part ash pipe continuously defeated ash, exits material position triggering, is adjusted, level-sensing device 20 days or so normal.
It is defeated grey consumption rate table in March below:
As seen from the above table, 1, odd-numbered day: 8 days and 21 days, ash content 24.53,24.49, load (ten thousand KWH) 903.84,890.40 was defeated
Grey power consumption but reduces 13389-10761=2628KWH, power saving percentage=2628/13389=19.6%.
2, average value: because improved ash content is lower always, average value before transformation and compare for 29th: before transformation and 29
Day, ash content 25.02,26.45, load (ten thousand KWH) 1076.6,1522.08 defeated grey power consumptions but reduce 14061-10920=
3141KWH。
Power saving percentage=3141/14061=22.3%, total consumption rate decline: 0.13%-0.09%=0.02%.
Shown according to the above statistical data, each electric field can economize on electricity after transformation: eight, an electric field storehouse pumps time control by original
1000 are set as 4000 seconds, daily power cost saving about 3141KWH；Pump time control in two eight, electric field storehouses is set as by original 3000
5000 seconds, daily power cost saving about 4000KWH；Three eight, electric field storehouses pump time control and were arranged by original 6000 seconds are as follows: 20000
Second；Four eight, electric field storehouses pump time control and were arranged by original 20000 seconds are as follows: 50000 seconds；Five eight, electric field storehouses pump the time control by
It is arranged within originally 40000 seconds are as follows: 80000 seconds.
Storehouse pump energy conservation detection control instrument of the invention, it is subversive that pneumatic ash transmitting system is defeated grey for main signal with the time
It is changed to using grey position signal as main signal, the time is that auxiliary signal (has done a large amount of analyses, since modern industry storehouse pumps grey position above
Signal detection difficulty is larger, can only unload ash using the time)；Energy conservation detection control instrument is pumped with this storehouse, carrying out defeated ash can save greatly
It measures the energy (generating set one day of highest one can economize on electricity 7000WH/ days)；Energy conservation detection control instrument is pumped with this storehouse, can directly be sentenced
Disconnected storehouse pump unloads grey operating status, prevents the generation of dust removing funnel collapsing major accident；Valve service life can extend one times or more, defeated ash
Pipeline life can extend one times or more, and the service life of compressor can extend one times or more, save a large amount of manpower maintenance cost
With improving equipment operating efficiency.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, without departing from the principle of the present invention, can also make several improvements, these improvement also should be regarded as of the invention
Protection scope.
Claims (8)
1. a kind of storehouse pump energy conservation detection control instrument, it is characterised in that: by controller host (1), and be arranged in controller host
(1) operation keyboard (2), parameter display window (3) on, and the sensor signal being used in combination with controller host (1) turn
It changes transmission module (4), and the sensor being arranged below sensor signal converting transmission module (4) latches (5), and setting is passing
Sensor latches the sensor probe connecting plate (6) of (5) one end, and connect monitoring assembly with sensor probe connecting plate (6) one end
Composition；The monitoring assembly, including feeler lever (9), and the insulating layer (10) in feeler lever (9) outer layer is set, and is arranged in insulating layer
(10) several sensor probes (7) on, and it is arranged on insulating layer (10) and wraps up the guarantor of several sensor probes (7)
Sheath (11), and setting is in the sensor weight (8) of feeler lever (9) one end.
2. a kind of storehouse pump energy conservation detection control instrument according to claim 1, it is characterised in that: the feeler lever (9), insulation
Layer (10) is located in sensor weight (8).
3. a kind of storehouse pump energy conservation detection control instrument according to claim 1, it is characterised in that: the controller host
(1), for providing power supply to sensor signal converting transmission module (4), and sensor signal converting transmission module (4) is acquired
The signal to come over is calculated, and the setting of whole equipment, control, signal conversion, error correction, temperature compensation signal are all thus complete
At.
4. a kind of storehouse pump energy conservation detection control instrument according to claim 1, it is characterised in that: the parameter display window
(3) for showing equipment operation condition, parameters revision, equipment alarm, storehouse pumps ashes height, operates keyboard (2) and join for numerical value
Several input, amendment.
5. a kind of storehouse pump energy conservation detection control instrument according to claim 3, it is characterised in that: the sensor signal turns
Transmission module (4) are changed for ashes degree of physical signal to be converted into electric signal transmission to controller host (1).
6. a kind of storehouse pump energy conservation detection control instrument according to claim 1, it is characterised in that: the feeler lever (9) uses
316L stainless steel is made；The insulating layer (10) is made using polytetrafluoroethylene (PTFE)；The protective layer (11) is made using polyurethane.
7. the working method of energy conservation detection control instrument, feature are pumped to a kind of storehouse described in 6 any one according to claim 1
It is: includes the following steps,
Step 1, several sensor probes (7) accurately measure storehouse using field-effect working principle and pump interior practical ash position height；Step
Rapid 2, sensor signal converting transmission module (4) receives the export pump of several sensor probes (7) feedback
Interior practical ash position height parameter, and the data that several sensor probes (7) are uploaded using powerful computer function into
Enter controller host (1) after row amendment, compensation, static elimination, 4 ~ 20mA of amplification transmission；
Step 3, controller host (1) are shown after receiving parameter, and early warning is carried out when not meeting parameter preset.
8. a kind of working method of storehouse pump energy conservation detection control instrument, feature according to claim 7 any one exist
In: controller host (1) is configured by operating keyboard (2) in the step 3, by original time priority control logic
100S is changed to the preferential defeated grey logical course in grey position, and height 6000mm, two electric field 5000mm, three electricity are arranged with electric field in ash position height
Field height is set as 4000mm, wherein and ash position height setting can be arbitrarily arranged in system according to payload, coal product situation,
Time controls number as guaranteeing the minimum, and the electric field time is set as 4000S, and two electric field times were set as the tri- electric field time of 5000S and are arranged
For 6000S, time setting can be arbitrarily arranged in system according to payload, coal product situation, with unload grey speed sync, parameter
Display window (3) makes grey position change curve according to the variation that storehouse pumps grey position signal and shows record, slaps operator at any time
Hold each storehouse and pump grey position change procedure, worn from dome valve judge in storehouse pump operation state and system in curve graph and
The operating conditions such as gas leakage, defeated grey valve, balanced valve, ash bucket hanging, ash conveying pipe abrasion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472632.2A CN109733891B (en) | 2018-12-04 | 2018-12-04 | Energy-saving detection control instrument for storehouse pump and working method thereof |
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| CN110371680A (en) * | 2019-08-02 | 2019-10-25 | 江苏红光仪表厂有限公司 | A kind of defeated grey on-line measuring device of coal electric force and its logic control power-economizing method |
| CN112607429A (en) * | 2020-12-02 | 2021-04-06 | 华能南京金陵发电有限公司 | Pneumatic ash conveying energy-saving control method for coal-fired power plant |
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