CN105183051B - The automatic control system and method for a kind of graphite evaporator - Google Patents
The automatic control system and method for a kind of graphite evaporator Download PDFInfo
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- CN105183051B CN105183051B CN201510625130.9A CN201510625130A CN105183051B CN 105183051 B CN105183051 B CN 105183051B CN 201510625130 A CN201510625130 A CN 201510625130A CN 105183051 B CN105183051 B CN 105183051B
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Abstract
The invention discloses a kind of automatic control system of graphite evaporator and method, including air pressure detection module, temperature detecting module, humidity detecting module, PLC, electronic valve and alarm module, pressure detection module, temperature detecting module and the humidity detecting module can detect air pressure, temperature and the humidity of graphite evaporator enclosure interior respectively, and it is transferred to PLC, the PLC is compared judgement to it respectively, and makes corresponding adjustment to its corresponding component；The present invention can be by detecting air pressure, temperature and the humidity of graphite evaporator enclosure interior; it can prevent the graphite block inside graphite evaporator from shifting; it more can effectively prevent the problem of graphite evaporator is because of air pressure, temperature and humidity from the things such as blast occur; it is effectively improved the security of graphite evaporator; protection equipment is also served to a certain extent, extends the effect in the life-span of equipment.
Description
Technical field
The present invention relates to graphite evaporator field, the automatic control system and method for especially a kind of graphite evaporator.
Background technology
In industries such as phosphorous chemical industry, titanium white, chemical fertilizer, fine chemistry industry, the disposal of three wastes, largely using evaporation equipment.Steamed in graphite
Send out in device, steam is entered in graphite evaporator housing by steam inlet, and the air pressure of enclosure interior can be caused too high and caused danger
Accident, or the air pressure at each position are uneven and cause enclosure interior graphite block to shift, and graphite evaporator is also possible to can be because
Internal temperature is too high and the perils such as blast occur, if humidity is too high in graphite evaporator, which graphite evaporator may
Part is out of joint, if graphite steamer is further continued for work, is further continued for logical steam, then security incident very likely occurs, therefore,
An automatic control system is needed to monitor parameters inside graphite evaporator, and corresponding adjustment is made to it.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided one kind can be prevented inside graphite evaporator
Graphite block shift, a kind of graphite evaporation for preventing graphite evaporator from exploding by the problem of air pressure, temperature and humidity
The automatic control system and method for device.
The technical solution adopted by the present invention is as follows：
A kind of automatic control system of graphite evaporator, it is characterised in that it includes air pressure detection module, temperature detection mould
Block, humidity detecting module, alarm module, PLC and fine setting module, the air pressure detection module are used to detect housing（8）Interior gas
P is pressed, and is converted to air pressure data signal and is transferred to PLC;The temperature detecting module is used to detect housing（8）Interior temperature
T, and be converted to temperature digital signal and be transferred to PLC;The humidity detecting module is used to detect housing（8）Interior humidity RH, and
Be converted to humidity data signal and be transferred to PLC;
PLC receives each data signal, if judging 0.4MPa≤P<0.5 MPa, then transmit air pressure to fine setting module and perform letter
Number 001, if 0.5MPa≤P<0.55 MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, distinguishes
Alarm signal is transmitted to alarm module and fine setting module and air pressure performs signal 003；If 400 DEG C≤T<450 DEG C, then to fine setting mould
Block transmits temperature and performs signal 101, if 450 DEG C≤T<480 DEG C, then transmit temperature to fine setting module and perform signal 102, if T >=
480 DEG C, then transmit alarm signal to alarm module and fine setting module respectively and temperature performs signal 103；If 85%≤RH<95%,
Then humidity is transmitted to fine setting module and perform signal 201, if RH >=95%, respectively to alarm module and the transmission alarm of fine setting module
Signal and humidity perform signal 202；After finely tuning module and performing air pressure and perform signal 001 or 002, if T≤- 70 DEG C, to micro-
Mode transfer block transmits air pressure and performs signal 004；
The fine setting module, including located at steam inlet（5）Fed with the electronic valve at steam (vapor) outlet (7) place, and material
Mouthful（1）With steam channel mouth（20）Opening and closing valve, for receiving, air pressure performs signal 001, temperature performs signal 101 and humidity
Signal 201 is performed, and controls the electronic valve of corresponding steam inlet to turn down；Receive air pressure and perform signal 004, and control corresponding steam
The electronic valve of vapor inlet is opened greatly；Receive air pressure and perform signal 002 and temperature execution signal 102, and control steam (vapor) outlet (7)
Electronic valve is opened greatly；Receive air pressure and perform signal 003, temperature execution signal 103 and humidity execution signal 202, and control successively
Material charging aperture（1）And steam inlet（5）Opening and closing valve close.
Further, respectively at graphite evaporator housing（8）Upper left quarter, lower left quarter, upper right quarter, be provided with right lower quadrant and steam
Vapor inlet（5）, each steam inlet（5）It is half open and-shut mode to be provided with electronic valve and original state.
Further, the air pressure detection module includes being respectively arranged on each steam inlet（5）Steam diversion at face
Device（6）Upper part or positive bottom at baroceptor, the baroceptor is superhigh temperature baroceptor, for detecting
Air pressure at each electronic valve, and be converted into corresponding data signal and be transferred to PLC；The temperature detecting module is included located at each
Temperature sensor at individual electronic valve, for detecting the temperature at each electronic valve, and it is converted into corresponding data signal and passes
It is handed to PLC；The humidity detecting module includes the humidity sensor at each electronic valve, for detecting each electronic valve
The humidity at place, and be converted into corresponding data signal and be transferred to PLC.
Further, the PLC receives each air pressure data signal, if P<0.4MPa, by each steam inlet（5）Atmospheric pressure value
Carry out portraitlandscape two-by-two to compare, transmitting air pressure to fine setting module performs signal 005, the electricity at the small place of the fine setting module controlling value
Sub- valve, which is opened, greatly, to be worth the electronic valve of general goal and turns down, i.e.,：PLC by longitudinal direction upper left quarter electronic valve at atmospheric pressure value and lower-left
Atmospheric pressure value at portion's electronic valve is compared, and the electronic valve at the small place of control pressure value is opened greatly, the electronic valve of controlling value general goal
Door turns down, and longitudinal right side is therewith similarly；PLC is by atmospheric pressure value and the upper right quarter electronic valve at the upper left quarter electronic valve of transverse direction
The atmospheric pressure value at place is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, laterally
Downside therewith similarly.
Further, the alarm module is provided with alarm, and the alarm module receives alarm signal, starts alarm
Device.
Further, a kind of autocontrol method of graphite evaporator, it is characterised in that it comprises the following steps：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure data signal biography
It is handed to PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to
PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity data signal and is transferred to PLC；
Step 5：PLC receives each air pressure data signal, if P<0.4MPa, it is horizontal that the atmospheric pressure value of each steam inlet is subjected to longitudinal direction
To comparing two-by-two, transmit air pressure to fine setting module and perform signal 005, the electronic valve at the small place of the fine setting module controlling value is opened
Greatly, the electronic valve for being worth general goal turns down, i.e.,：PLC is by atmospheric pressure value and the lower left quarter electronic valve at the upper left quarter electronic valve of longitudinal direction
Atmospheric pressure value at door is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, and is indulged
To right side therewith similarly；PLC is by the air pressure at atmospheric pressure value and the upper right quarter electronic valve at the upper left quarter electronic valve of transverse direction
Value is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, horizontal downside with
Similarly,
If there is 0.4MPa≤P<0.5 MPa, then transmit air pressure to fine setting module and perform signal 001, if 0.5MPa≤P<
0.55 MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, respectively to alarm module and fine setting mould
Block transmits alarm signal and air pressure performs signal 003；After module execution air pressure execution signal 001 or 002 is finely tuned, if T≤- 70
DEG C, then transmit air pressure to fine setting module and perform signal 004；
PLC receives each temperature digital signal, if 400 DEG C≤T<450 DEG C, then transmit temperature to fine setting module and perform signal
101, if 450 DEG C≤T<480 DEG C, then transmit temperature to fine setting module and perform signal 102, if T >=480 DEG C, respectively to alarm
Module and fine setting module transmit alarm signal and temperature performs signal 103；
PLC receives each humidity data signal, if 85%≤RH<95%, then transmit humidity to fine setting module and perform signal 201,
If RH >=95%, transmit alarm signal to alarm module and fine setting module respectively and humidity performs signal 202；
Step 6：The fine setting module receives air pressure and performs signal 001,004 or 005, temperature execution signal 101 and humidity
Signal 201 is performed, and controls the electronic valve of corresponding steam inlet to open big or turn down；
Receive air pressure and perform signal 002 and temperature execution signal 102, and control the electronic valve of steam (vapor) outlet (16) to open
Greatly；
Receive air pressure and perform signal 003, temperature execution signal 103 and humidity execution signal 202, and control charging aperture successively
（1）And steam inlet（6）Opening and closing valve close；
Step 7：Alarm module receives alarm signal, starts alarm and sends early warning.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
Whether the air pressure that the 1st, can detect graphite evaporator enclosure interior reaches its air pressure upper range that can bear, and right
It makes corresponding adjustment；
2nd, it can detect whether graphite evaporator enclosure interior air pressure balances, if uneven make corresponding adjustment to it, prevent
Only graphite block produces skew；
3rd, the temperature of graphite evaporator enclosure interior can be detected, after temperature over-range, corresponding adjustment is made to it；
4th, the humidity of graphite evaporator enclosure interior can be detected, after humidity transfinites, corresponding adjustment is made to it.
Brief description of the drawings
Fig. 1 is a kind of cross section structure diagram of graphite evaporator for being used to be concentrated by evaporation of the present invention.
Fig. 2 is a kind of automatic control system control schematic diagram of graphite evaporator for being used to be concentrated by evaporation of the present invention.
Marked in figure：1 is material discharging opening, and 2 be compression spring, and 3 be upper cover, and 4 be upper sealing plate, and 5 be steam inlet, 6
It is steam (vapor) outlet for steam diverter, 7,8 be housing, and 9 be steam distributor, and 10 be deflection plate, and 11 be pull bar, and 12 be blowdown
Mouthful, 13 be resistance to erosion portion, and 14 be material charging aperture, and 15 be low head, and 16 be lower shoe, and 17 be condensate liquid import, and 18 be condensation
Liquid exports, and 19 be graphite heat exchange block, and 20 be steam channel mouth.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary）Disclosed in any feature, unless specifically stated otherwise,
Replaced by other equivalent or with similar purpose alternative features.I.e., unless specifically stated otherwise, each feature is a series of
An example in equivalent or similar characteristics.
As shown in Fig. 1, a kind of graphite evaporator for being used to be concentrated by evaporation of the invention, if being provided with dried layer graphite in housing 8
Heat transfer block 19, the upper end of housing 8 are provided with material discharging opening 1, and lower end is provided with material charging aperture 14, and the bottom both sides of housing 8 are provided with condensation
Liquid import 17, condensate outlet 18, sewage draining exit 12, condensate liquid import 17 exist in the surface of condensate outlet 18, sewage draining exit 12
The opposite side of condensate outlet 18.A circle steam distributor 9, the steaming of the upper and lower part of housing 8 are equipped with the upper, middle and lower portion of housing 8
The both sides of vapour distributor 9 are equipped with steam inlet 5, and the side of the steam distributor 9 at the middle part of housing 8 is provided with steam inlet 5, and steam enters
It is connected with automatic control system at mouthfuls 5, the surface of the side of steam inlet 5 of housing upper is provided with steam (vapor) outlet 7, in housing 8
The diameter dimension of steam inlet 5 in portion is more than the diameter dimension of steam inlet 5 of the upper and lower part of housing 8, is provided with and steams at steam inlet 5
Vapour current divider 6, steam diverter 6 are fixedly mounted on graphite heat exchange block 19.In addition, material charging aperture 14 is provided with the He of low head 15
Lower shoe 16, a resistance to erosion portion 13 is fixedly connected with low head 15, low head 15 is fixedly connected with lower shoe 16, material discharging
Mouth 1 is provided with upper cover 3 and upper sealing plate 4, and upper cover 3 is fixedly connected with upper sealing plate 4, wherein, lead between upper sealing plate 4 and lower shoe 16
Cross pull bar 11 to be fixedly connected, the upper end of pull bar 11 is provided with compression spring 2.Material charging aperture 14, graphite heat exchange block 19 and material go out
Material channel is formed between material mouth 1, steam channel, material channel are formed between housing 8, steam distributor 9, graphite heat exchange block 19
Asbestos packing packing seal is used between steam channel, several semicircle ring-type deflecting bar pipes are provided with steam channel（In figure
Do not mark）With deflection plate 10, deflecting bar pipe is fixedly connected on graphite heat exchange block 19, and deflection plate 10 is fixedly mounted on graphite heat exchange block
19 and the inwall of housing 8 on, deflection plate 10 and deflecting bar pipe position are mutually perpendicular to, and the one side of deflection plate 10 upward is provided with that several are U-shaped
Groove.
When steam is entered inside evaporator by steam inlet 5, steam enters steam distributor 9 by steam channel
In, the dregs in steam by the barrier effect inside evaporator due to being blocked being gathered in evaporator bottom before, then
Discharged by sewage draining exit 12 outside evaporator, steam is kept clean.Clean steam continues to spread apart in steam distributor 9
Come, due to being provided with deflecting bar pipe and deflection plate 10 in steam channel, thus extend circulation distance of the steam in evaporator, subtract
Delay the velocity of liquid assets of steam, add heat-exchange time, while the liquid of cohesion can pass through the U-lag on deflection plate 10 in steam
Gone out by water conservancy diversion outside device, reduce humidity in device, reduce influence of the humidity to evaporator, make to keep certain aridity in device.Work as steaming
Vapour heat exchange after the completion of, remaining steam will be by the displacer of steam (vapor) outlet 7 outside, due to remaining vapor (steam) temperature is relatively low can not be straight
Connect and bring secondary use, then a heat pump can be connected by automatic control system, indirect steam becomes high temperature by heat pump compression
Steam, steam inlet 5 is then transported to by automatic control system again, reaches secondary cycle utilization.
In the present embodiment, the steam inlet 5 mainly at the middle part of housing 8 is passed through a large amount of steam, the upper and lower part of housing 8
Steam inlet 5 mainly play the logical vapor action of auxiliary, in order that making distribution of steam in device evenly allow heat exchange more as far as possible
Stable progress, thus the diameter dimension of steam inlet 5 at the middle part of housing 8 be greater than the upper and lower part of housing 8 steam inlet 5 it is straight
Footpath size.Further, the steam diverter 6 at steam inlet 5 is made up of corrosion-and high-temp-resistant material, preferably with polytetrafluoro
Ethene, structure are vane type of turbine, when the steam of high temperature enters in device, by the barrier effect of steam diverter 6, eliminate and steam
Direct impact of the vapour to graphite heat exchange block 19, prevents graphite heat exchange block 19 from bursting, and reaches the purpose of protection graphite heat exchange block 19, together
When, the impulsive force of steam can drive steam diverter 6 to rotate, and steam is spread to surrounding, increase the turbulent flow effect of steam, improve
Heat exchange efficiency.
In the present embodiment, a resistance to erosion portion 13 is provided with material inlet 14, resistance to erosion portion 13 is made up of polytetrafluoroethylene (PTFE),
When material is poured inside evaporator by material charging aperture 14, first it is punched into resistance to erosion portion 13, due in resistance to erosion portion 13
Several through holes are offered, material is flowed into by the through hole in resistance to erosion portion 13 inside evaporator, material passes through resistance to erosion portion 13
Buffering reallocation enter in the heat exchanging holes of graphite heat exchange block 19, after this structure, on the one hand can avoid in material
The particle of entrainment is directly impinging graphite heat exchange block surface, enhances graphite heat exchanger flushing resistance, on the other hand, moreover it is possible to have
The flow velocity of control material is imitated, inlet of the control material inside heat exchanger, prevents under emergency case, material fills up whole heat exchange
Heat exchanger is destroyed inside device, extends the service life of graphite heat exchanger.Further, since resistance to erosion portion 13 is arranged on evaporator
On low head 15, make maintenance and change more to facilitate.
In one embodiment of the invention, graphite heat exchange block 19 uses circular hole block formula graphite heat exchange block, is exchanged heat in graphite
The outside of block 19, which is dug, U-lag mouth and laterally heat exchange through hole, is sealed between every layer of graphite heat exchange block 19 using FFKM, this
For sample in heat transfer process, these notches and the through hole that laterally exchanges heat add heat exchange area, extend heat-exchange time, improve indirectly
Heat exchange efficiency, the heat exchange efficiency of heat exchanger is just significantly improved on the whole, the performance of evaporator is just improved, easy to spread
Use.
In one embodiment of the invention, for the turbulent flow effect of steam in further intensive, steam is delayed to change
The heat-exchange time with graphite heat exchange block 19 in hot device, one layer of waveform heat insulation layer is provided with the inwall of housing 8, principle is similar to
Destilling tower.Meanwhile in order that heat is maintained in device as far as possible, the heat insulation layer of housing 8 uses ceramic fiber layer, and thickness is 4 ~ 7mm,
With the heat exchange outside device in block device, thermal loss is reduced.In order to further make the outer wall of housing 8 be not easy to be corroded, shell itself
Using stainless steel material, preferably with 0Cr17NiAl steel, and also last layer anti-corrosion composite bed is applied in the outer wall of housing 8, prevented
Corrosion composite bed includes sprayed metal coating and anti-corrosion coating, and sprayed metal coating uses aluminium-plated coating, and in this, as coating
Basic unit, anti-corrosion coating use epoxy anticorrosive coating, are covered on sprayed metal coating.This combined anti-corrosion layer antiseptic effect is managed
Think, coating is difficult for drop-off, durable in use, evaporator is adapted to the working environment of humidity completely.
The embodiment of the present invention additionally provides a kind of automatic control system for the graphite evaporator for being used to be concentrated by evaporation, such as Fig. 2
It is shown, including air pressure detection module, temperature detecting module, humidity detecting module, alarm module, PLC and fine setting module, air pressure inspection
Survey module to be used to detect the air pressure P in housing 8, and be converted to air pressure data signal and be transferred to PLC;Temperature detecting module is used
Temperature T in detection housing 8, and be converted to temperature digital signal and be transferred to PLC;Humidity detecting module is used to detect housing 8
Interior humidity RH, and be converted to humidity data signal and be transferred to PLC;
PLC receives each data signal, if judging 0.4MPa≤P<0.5MPa, then transmit air pressure to fine setting module and perform signal
001, if 0.5MPa≤P<0.55 MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, respectively to
Alarm module and fine setting module transmit alarm signal and air pressure performs signal 003；If 400 DEG C≤T<450 DEG C, then to fine setting module
Transmit temperature and perform signal 201, if 450 DEG C≤T<480 DEG C, then transmit temperature to fine setting module and perform signal 202, if T >=480
DEG C, then transmit alarm signal to alarm module and fine setting module respectively and temperature performs signal 203；If 85%≤RH<95%, then to
Finely tune module and transmit humidity execution signal 101, if RH >=95%, transmit alarm signal to alarm module and fine setting module respectively
Signal 102 is performed with humidity；After module execution air pressure execution signal 001 or 002 is finely tuned, if T≤- 70 DEG C, to fine setting mould
Block transmits air pressure and performs signal 004；
Finely tune opening for module, including the electronic valve at steam (vapor) outlet 7, and material charging aperture 14 and steam inlet 5
Valve closing door, signal 001, temperature execution signal 201 and humidity execution signal 101 are performed for receiving air pressure, and control corresponding steam
The electronic valve of vapor inlet 5 turns down；Receive air pressure and perform signal 004, and control the electronic valve of corresponding steam inlet 5 to open greatly；
Receive air pressure and perform signal 002 and temperature execution signal 202, and control the electronic valve of steam (vapor) outlet 7 to open greatly；Air pressure is received to hold
Row signal 003, temperature perform signal 203 and humidity performs signal 102, and control material charging aperture 14 and steam channel mouth successively
20 opening and closing valve is closed.
It is half open and-shut mode that electronic valve and original state are provided with each steam inlet 5, and air pressure detection module includes
The baroceptor of directly over steam diverter 6 or underface is respectively arranged on, baroceptor is superhigh temperature baroceptor, is used
Air pressure at each electronic valve of detection, and be converted into corresponding data signal and be transferred to PLC, the temperature detecting module includes
Temperature sensor at each electronic valve, for detecting the temperature at each electronic valve, and it is converted into corresponding numeral
Signal is transferred to PLC, and humidity detecting module includes the humidity sensor at each electronic valve, for detecting each electronic valve
Humidity at door, and be converted into corresponding data signal and be transferred to PLC.
PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value at each steam inlet 5 is subjected to portraitlandscape
Compare two-by-two, transmitting air pressure to fine setting module performs signal 005, and the electronic valve at the small place of the fine setting module controlling value is opened greatly,
The electronic valve of value general goal turns down, i.e. PLC is by the atmospheric pressure value and lower left quarter electronic valve at the upper left quarter electronic valve of longitudinal direction
Atmospheric pressure value compare, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, longitudinal
Therewith similarly, PLC is by the atmospheric pressure value at the upper left quarter electronic valve of transverse direction and the atmospheric pressure value phase at upper right quarter electronic valve on right side
Compare, and the electronic valve at the small place of control pressure value is opened greatly, the electronic valve of controlling value general goal turns down, and horizontal downside is same therewith
Reason.
Alarm module is provided with alarm, and alarm module receives early warning and performs signal, starts alarm, feedback is abnormal in time
Situation, contingency is prevented, improve the security performance of graphite evaporator.
The autocontrol method of the present invention comprises the following steps that：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure data signal biography
It is handed to PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to
PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity data signal and is transferred to PLC；
Step 5：PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value of each steam inlet 5 is subjected to longitudinal direction
Laterally compare two-by-two, transmitting air pressure to fine setting module performs signal 005, and the electronic valve at the small place of the fine setting module controlling value is opened
Greatly, the electronic valve for being worth general goal turns down, i.e.,：PLC is by atmospheric pressure value and the lower left quarter electronic valve at the upper left quarter electronic valve of longitudinal direction
Atmospheric pressure value at door is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, and is indulged
To right side therewith similarly；PLC is by the air pressure at atmospheric pressure value and the upper right quarter electronic valve at the upper left quarter electronic valve of transverse direction
Value is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, horizontal downside with
Similarly,
If there is 0.4MPa≤P<0.5 MPa, then transmit air pressure to fine setting module and perform signal 001, if 0.5MPa≤P<
0.55 MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, respectively to alarm module and fine setting mould
Block transmits alarm signal and air pressure performs signal 003；After module execution air pressure execution signal 001 or 002 is finely tuned, if T≤- 70
DEG C, then transmit air pressure to fine setting module and perform signal 004；PLC receives each temperature digital signal, if 400 DEG C≤T<450 DEG C, then
Temperature is transmitted to fine setting module and performs signal 201, if 450 DEG C≤T<480 DEG C, then transmit temperature to fine setting module and perform signal
202, if T >=480 DEG C, transmit alarm signal to alarm module and fine setting module respectively and temperature performs signal 203；PLC connects
Each humidity data signal is received, if 85%≤RH<95%, then transmit humidity to fine setting module and perform signal 101, if RH >=95%, divide
Alarm signal is not transmitted to alarm module and fine setting module and humidity performs signal 102；
Step 6：The fine setting module receives air pressure and performs signal 001,004 or 005, temperature execution signal 201 and humidity
Signal 101 is performed, and controls the electronic valve of corresponding steam inlet 5 to open big or turn down；Receive air pressure and perform signal 002 and temperature
Signal 102 is performed, and controls the electronic valve of steam (vapor) outlet 7 to open greatly；Receive air pressure and perform signal 003, temperature execution signal 203
Signal 102 is performed with humidity, and the opening and closing valve of control material charging aperture 14 and steam channel mouth 20 is closed successively；
Step 7：Alarm module receives alarm signal, starts alarm and sends early warning.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (6)
1. a kind of automatic control system of graphite evaporator, it is characterised in that including graphite evaporator and automatic control system；Institute
State graphite evaporator, housing（8）If interior be provided with dried layer graphite heat exchange block（19）, housing（8）Upper end is provided with material discharging opening（1）,
Lower end is provided with material charging aperture（14）, housing（8）Bottom both sides are provided with condensate liquid import（17）, condensate outlet（18）, blowdown
Mouthful（12）, condensate liquid import（17）In condensate outlet（18）Surface, sewage draining exit（12）In condensate outlet（18）It is another
Side；In housing（8）Upper, middle and lower portion is equipped with a circle steam distributor（9）, housing（8）The steam distributor of upper and lower part
（9）Both sides are equipped with steam inlet（5）, housing（8）The steam distributor at middle part（9）Side be provided with steam inlet（5）, steam
Import（5）Place is connected with automatic control system, the steam inlet of housing upper（5）The surface of side is provided with steam (vapor) outlet（7）,
Housing（8）The steam inlet at middle part（5）Diameter dimension is more than housing（8）The steam inlet of upper and lower part（5）Diameter dimension, steam
Vapor inlet（5）Place is provided with steam diverter（6）, steam diverter（6）It is fixedly mounted on graphite heat exchange block（19）On；In addition, thing
Expect charging aperture（14）Provided with low head（15）And lower shoe（16）, low head（15）On be fixedly connected with a resistance to erosion portion（13）,
Low head（15）With lower shoe（16）It is fixedly connected, material discharging opening（1）Provided with upper cover（3）And upper sealing plate（4）, upper cover
（3）With upper sealing plate（4）It is fixedly connected, wherein, upper sealing plate（4）With lower shoe（16）Between pass through pull bar（11）It is fixedly connected, draws
Bar（11）Upper end be provided with compression spring（2）；Material charging aperture（14）, graphite heat exchange block（19）With material discharging opening（1）Between
Form material channel, housing（8）, steam distributor（9）, graphite heat exchange block（19）Between form steam channel, material channel with
Asbestos packing packing seal is used between steam channel, several semicircle ring-type deflecting bar pipes are provided with steam channel（In figure not
Mark）And deflection plate（10）, deflecting bar pipe is fixedly connected on graphite heat exchange block（19）On, deflection plate（10）Graphite is fixedly mounted on to change
Hot block（19）And housing（8）On inwall, deflection plate（10）It is mutually perpendicular to deflecting bar pipe position, deflection plate（10）One side upward is set
There are several U-type grooves；The automatic control system, including air pressure detection module, temperature detecting module, humidity detecting module, report
Alert module, PLC and fine setting module, the air pressure detection module are used to detect housing（8）Interior air pressure P, and be converted to air pressure number
Word signal is simultaneously transferred to PLC；The temperature detecting module is used to detect housing（8）Interior temperature T, and be converted to temperature digital letter
Number it is transferred to PLC；The humidity detecting module is used to detect housing（8）Interior humidity RH, and be converted to humidity data signal biography
It is handed to PLC；PLC receives each data signal, if judging 0.4MPa≤P<0.5 MPa, then transmit air pressure to fine setting module and perform letter
Number 001, if 0.5MPa≤P<0.55 MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, distinguishes
Alarm signal is transmitted to alarm module and fine setting module and air pressure performs signal 003；If 400 DEG C≤T<450 DEG C, then to fine setting mould
Block transmits temperature and performs signal 101, if 450 DEG C≤T<480 DEG C, then transmit temperature to fine setting module and perform signal 102, if T >=
480 DEG C, then transmit alarm signal to alarm module and fine setting module respectively and temperature performs signal 103；If 85%≤RH<95%,
Then humidity is transmitted to fine setting module and perform signal 201, if RH >=95%, respectively to alarm module and the transmission alarm of fine setting module
Signal and humidity perform signal 202；After finely tuning module and performing air pressure and perform signal 001 or 002, if T≤- 70 DEG C, to micro-
Mode transfer block transmits air pressure and performs signal 004；The fine setting module, including located at steam inlet（5）With the electricity at steam (vapor) outlet (7) place
Sub- valve, and material charging aperture（1）With steam channel mouth（20）Opening and closing valve, for receive air pressure perform signal 001, temperature
Perform signal 101 and humidity performs signal 201, and control the electronic valve of corresponding steam inlet to turn down；Receive air pressure and perform letter
Number 004, and control the electronic valve of corresponding steam inlet to open greatly；Receive air pressure and perform signal 002 and temperature execution signal 102,
And the electronic valve of steam (vapor) outlet (7) is controlled to open greatly；Receive air pressure and perform signal 003, temperature execution signal 103 and humidity execution
Signal 202, and control material charging aperture successively（1）And steam inlet（5）Opening and closing valve close.
2. the automatic control system of graphite evaporator as claimed in claim 1, it is characterised in that respectively at graphite evaporator
Housing（8）Upper left quarter, lower left quarter, upper right quarter, be provided with steam inlet at right lower quadrant（5）, each steam inlet（5）On set
It is half open and-shut mode to have electronic valve and original state.
3. the automatic control system of graphite evaporator as claimed in claim 1 or 2, it is characterised in that the air pressure detects mould
Block includes being respectively arranged on each steam inlet（5）Steam diverter at face（6）Upper part or positive bottom at air pressure transmission
Sensor, the baroceptor is superhigh temperature baroceptor, for detecting the air pressure at each electronic valve, and is converted into corresponding
Data signal be transferred to PLC；The temperature detecting module includes the temperature sensor at each electronic valve, for examining
The temperature surveyed at each electronic valve, and be converted into corresponding data signal and be transferred to PLC；The humidity detecting module includes being located at
Humidity sensor at each electronic valve, for detecting the humidity at each electronic valve, and it is converted into corresponding data signal
It is transferred to PLC.
4. the automatic control system of graphite evaporator as claimed in claim 3, it is characterised in that the PLC receives each air pressure
Data signal, if P<0.4MPa, by each steam inlet（5）Atmospheric pressure value carry out portraitlandscape compare two-by-two, to fine setting module pass
To pass air pressure and perform signal 005, the electronic valve at the fine setting module controlling value small place, which is opened, greatly, to be worth the electronic valve of general goal and turns down,
I.e.：PLC compares atmospheric pressure value of the atmospheric pressure value at the upper left quarter electronic valve of longitudinal direction at lower left quarter electronic valve, and controls
The electronic valve at the small place of atmospheric pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, and longitudinal right side is therewith similarly；PLC is by horizontal stroke
To upper left quarter electronic valve at atmospheric pressure value compared with the atmospheric pressure value at upper right quarter electronic valve, and control pressure is worth small place
Electronic valve open greatly, the electronic valve of controlling value general goal turns down, and horizontal downside is therewith similarly.
5. the automatic control system of graphite evaporator as claimed in claim 1, it is characterised in that the alarm module is provided with
Alarm, the alarm module receive alarm signal, start alarm.
6. the autocontrol method of a kind of graphite evaporator as described in one of claim 1 to 5, it is characterised in that it includes
Following steps：
Step 1：The power switch of the automatic control system of graphite evaporator and graphite evaporator is opened successively；
Step 2：Air pressure detection module detects the air pressure at each electronic valve, and is separately converted to air pressure data signal and is transferred to
PLC；
Step 3：Temperature detecting module detects the temperature at each electronic valve, and is converted into temperature digital signal and is transferred to PLC；
Step 4：Humidity module detects the humidity at each electronic valve, and is converted into humidity data signal and is transferred to PLC；
Step 5：PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value of each steam inlet is subjected to portraitlandscape two
Two compare, and transmitting air pressure to fine setting module performs signal 005, and the electronic valve at the small place of the fine setting module controlling value is opened greatly, value
The electronic valve of general goal turns down, i.e.,：PLC is by the atmospheric pressure value and lower left quarter electronic valve at the upper left quarter electronic valve of longitudinal direction
Atmospheric pressure value is compared, and the electronic valve at the small place of control pressure value is opened greatly, and the electronic valve of controlling value general goal turns down, longitudinal right side
Side is therewith similarly；PLC is by the atmospheric pressure value at the upper left quarter electronic valve of transverse direction compared with the atmospheric pressure value at upper right quarter electronic valve
Compared with, and the electronic valve at the small place of control pressure value is opened greatly, the electronic valve of controlling value general goal turns down, and horizontal downside is same therewith
Reason,
If there is 0.4MPa≤P<0.5 MPa, then transmit air pressure to fine setting module and perform signal 001, if 0.5MPa≤P<0.55
MPa, then finely tune module and transmit air pressure and perform signal 002, if the MPa of P >=0.55, is passed respectively to alarm module and fine setting module
Pass alarm signal and air pressure performs signal 003；After module execution air pressure execution signal 001 or 002 is finely tuned, if T≤- 70 DEG C,
Then air pressure is transmitted to fine setting module perform signal 004；
PLC receives each temperature digital signal, if 400 DEG C≤T<450 DEG C, then transmit temperature to fine setting module and perform signal 101, if
450℃≤T<480 DEG C, then transmit temperature to fine setting module and perform signal 102, if T >=480 DEG C, respectively to alarm module and
Finely tune module and transmit alarm signal and temperature execution signal 103；
PLC receives each humidity data signal, if 85%≤RH<95%, then transmit humidity to fine setting module and perform signal 201, if RH
>=95%, then transmit alarm signal to alarm module and fine setting module respectively and humidity performs signal 202；
Step 6：The fine setting module receives air pressure and performs signal 001,004 or 005, temperature execution signal 101 and humidity execution
Signal 201, and control the electronic valve of corresponding steam inlet to open big or turn down；
Receive air pressure and perform signal 002 and temperature execution signal 102, and control the electronic valve of steam (vapor) outlet (16) to open greatly；
Receive air pressure and perform signal 003, temperature execution signal 103 and humidity execution signal 202, and control charging aperture successively（1）
And steam inlet（6）Opening and closing valve close；
Step 7：Alarm module receives alarm signal, starts alarm and sends early warning.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625130.9A CN105183051B (en) | 2015-09-28 | 2015-09-28 | The automatic control system and method for a kind of graphite evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510625130.9A CN105183051B (en) | 2015-09-28 | 2015-09-28 | The automatic control system and method for a kind of graphite evaporator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202070177U (en) * | 2011-05-24 | 2011-12-14 | 钱钧 | Steel lining graphite evaporator |
| CN202490452U (en) * | 2012-03-07 | 2012-10-17 | 凯恩德利(北京)科贸有限公司 | Block-hole film-rising graphite evaporator |
| CN103433266A (en) * | 2013-03-31 | 2013-12-11 | 香港优华环保设备有限公司 | Intelligent reaction kettle equipment system for industrial wastes |
| CN203816237U (en) * | 2014-03-19 | 2014-09-10 | 常州泰特环境设备工程有限公司 | Graphite evaporator for evaporation and concentration |
| CN205644323U (en) * | 2015-09-28 | 2016-10-12 | 夏烬楚 | Automatic control system of graphite evaporimeter |
-
2015
- 2015-09-28 CN CN201510625130.9A patent/CN105183051B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202070177U (en) * | 2011-05-24 | 2011-12-14 | 钱钧 | Steel lining graphite evaporator |
| CN202490452U (en) * | 2012-03-07 | 2012-10-17 | 凯恩德利(北京)科贸有限公司 | Block-hole film-rising graphite evaporator |
| CN103433266A (en) * | 2013-03-31 | 2013-12-11 | 香港优华环保设备有限公司 | Intelligent reaction kettle equipment system for industrial wastes |
| CN203816237U (en) * | 2014-03-19 | 2014-09-10 | 常州泰特环境设备工程有限公司 | Graphite evaporator for evaporation and concentration |
| CN205644323U (en) * | 2015-09-28 | 2016-10-12 | 夏烬楚 | Automatic control system of graphite evaporimeter |
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| CN105183051A (en) | 2015-12-23 |
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