CN205109055U - A graphite evaporimeter for evaporative concentration and automatic control system thereof - Google Patents
A graphite evaporimeter for evaporative concentration and automatic control system thereof Download PDFInfo
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- CN205109055U CN205109055U CN201520755986.3U CN201520755986U CN205109055U CN 205109055 U CN205109055 U CN 205109055U CN 201520755986 U CN201520755986 U CN 201520755986U CN 205109055 U CN205109055 U CN 205109055U
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Abstract
The utility model discloses an evaporative concentration's graphite evaporimeter, which comprises a housin, shells inner wall scribbles one deck wave heat insulation layer, and the casing outer wall scribbles one deck resistance to corrosion composite bed, and casing itself adopts the stainless steel to make, and the lower part all is equipped with round steam distributor in on the casing, and the steam distributor both sides of casing upper portion and lower part all are equipped with steam inlet, and one side of the steam distributor in the middle part of the casing is equipped with steam access mouth, steam inlet department is connected with automatic control system, is equipped with steam outlet directly over the steam inlet one side on casing upper portion, the graphite heat exchange block outside is equipped with a plurality of U -shaped groove and horizontal through -hole, adopts the perfluor rubber seal between every layer of graphite heat exchange block. The utility model discloses can improve the utilization ratio of steam, the reinforcing evaporimeter is corrosion -resistant, high temperature and high pressure's performance, prolongs the life of graphite evaporimeter, makes the performance of evaporimeter more excellent, realizes automated control simultaneously. The utility model discloses still include an automatic control system who is used for controlling above -mentioned evaporative concentration's graphite heat exchanger.
Description
Technical field
The utility model relates to a kind of graphite evaporator, is particularly a kind of graphite evaporator for evaporation and concentration and automatic control system thereof.
Background technology
Graphite evaporator is widely used in the industry such as pharmacy, chemical industry, because graphite has the features such as high temperature resistant, corrosion-resistant, high pressure resistant, thermal conductivity is good, is commonly used to evaporation and concentration Acidity of Aikalinity waste liquid or feed liquid.In the graphite evaporator that tradition uses, steam inlet only offers one, a large amount of high-temperature steams enters will toward rising inside evaporimeter, cause evaporimeter upper and lower distribution of steam uneven, will cause heat skewness, heat exchange efficiency reduces, moreover under the emergency case exploded suddenly at steam pressure, if do not controlled steam pressure, evaporimeter will destroy due to the unexpected quick-fried increasing of steam pressure; In addition, the steam in conventional evaporator enters and is into the heat exchanging holes of spurting by graphite heat exchange block, and the utilization rate of steam reduces and easily causes the explosion of graphite heat exchange block; In existing graphite evaporator, graphite evaporator is usually be in moist working environment, housing exterior walls is easy to get rusty and causes leaking, in evaporimeter, the liquid of cohesion can not get discharging in time and repeatedly being vaporized, reduce the utilization rate of steam, also can cause that device humidity is excessive causes damage to positions such as graphite heat exchange blocks; In addition, existing graphite evaporator automaticity is low, and manual operation load is large, and safety coefficient is little, and corresponding cost is also higher.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, a kind of graphite evaporator for evaporation and concentration is provided, under equal conditions, the utilization rate of steam can be improved, enhancing evaporimeter is corrosion-resistant, the performance of high temperature high voltage resistant, and reduction steam and material, to the impact of graphite block, extend the service life of graphite evaporator, make the performance of evaporimeter more excellent, realize Automated condtrol simultaneously.
Another goal of the invention of the present utility model is the automatic control system providing a kind of graphite evaporator for evaporation and concentration.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is as follows:
A kind of graphite evaporator for evaporation and concentration, comprise housing, be located at some layers of graphite heat exchange block in housing, be located at the material discharging opening of housing upper end, be located at the material feeding mouth of housing lower end, be located at the condensate liquid import of lower housing portion both sides, condensate outlet, sewage draining exit, described inner walls scribbles one deck heat insulation layer, inner wall surface undulate, housing exterior walls scribbles one deck anticorrosive property composite bed, housing itself adopts stainless steel to make, a circle steam distributor is equipped with in the upper bottom of housing, the steam distributor both sides of housing upper and bottom are equipped with steam inlet, the side of the steam distributor of housing central section is provided with steam access mouth, described steam inlet place is connected with automatic control system, steam (vapor) outlet is provided with directly over the steam inlet side of housing upper, described graphite heat exchange block is circular hole block formula impregnated graphite, several U-lags and cross through hole is provided with outside graphite heat exchange block, FFKM is adopted to seal between every layer of graphite heat exchange block.
Further, described material feeding mouth is provided with low head and lower shoe, described low head is fixedly connected with a resistance to erosion portion, low head is fixedly connected with lower shoe, described material discharging opening is provided with upper cover and upper sealing plate, described upper cover is fixedly connected with upper sealing plate, be fixedly connected with by pull bar between upper sealing plate with lower shoe, described pull bar upper end is provided with compression spring, described resistance to erosion portion is made up of polytetrafluoroethylene (PTFE), the diameter base size in resistance to erosion portion is slightly less than material inlet diameter dimension, cross section is trapezium structure, side and the bottom surface in resistance to erosion portion all offer through hole, described shape of through holes is trapezoidal circular hole, Circularhole diameter is slightly less than heat exchanging holes diameter.
Further, described material feeding mouth, between graphite heat exchange block and discharging opening, form material channel, steam channel is formed between described housing, steam distributor, graphite heat exchange block, asbestos packing packing seal is adopted between described material channel and steam channel, several semicircle ring-type deflecting bar pipe and deflection plates are provided with in described steam channel, described deflecting bar pipe is fixedly connected on graphite heat exchange block, described deflection plate is fixedly mounted in graphite heat exchange block and inner walls, deflection plate is mutually vertical with deflecting bar pipe position, and deflection plate one side is upward provided with several U-type groove.
Further, the steam access mouth diameter dimension of described housing central section is greater than the steam inlet diameter dimension of housing upper and bottom, steam inlet and steam access mouth place are provided with steam diverter, described steam diverter is fixedly mounted on graphite heat exchange block, steam diverter adopts polytetrafluoroethylene (PTFE) to make, and structure is vane type of turbine.
Further, described anticorrosive property composite bed comprises sprayed metal coating and anticorrosive paint coating, sprayed metal coating adopts aluminium-plated coating, and in this, as coated substrate, anticorrosive paint coating adopts epoxy anticorrosive coating, covers on sprayed metal coating, and described heat insulation layer adopts ceramic fibre coating, coating layer thickness is 4 ~ 7mm, and the concrete trade mark that described stainless steel adopts is 0Cr17NiAl steel.
The utility model additionally provides a kind of automatic control system of the graphite evaporator for evaporation and concentration; comprise air pressure detection module, temperature detecting module, humidity detecting module, alarm module, PLC and fine setting module; described air pressure detection module for detecting the air pressure P in housing, and is converted to air pressure data signal and is passed to PLC; Described temperature detecting module for detecting the temperature T in housing, and is converted to temperature digital signal transmission to PLC; Described humidity detecting module for detecting the humidity RH in housing, and is converted to humidity digital signal transfers to PLC;
PLC receives each data signal, if judge 0.4MPa≤P<0.5MPa, then transmit air pressure executive signal 001 to fine setting module, if 0.5MPa≤P<0.55MPa, then finely tune module and transmit air pressure executive signal 002, if P >=0.55MPa, then transmit alarm signal and air pressure executive signal 003 respectively to alarm module and fine setting module; If 400 DEG C≤T<450 DEG C, then transmit temperature executive signal 201 to fine setting module, if 450 DEG C≤T<480 DEG C, then transmit temperature executive signal 202 to fine setting module, if T >=480 DEG C, then transmit alarm signal and temperature executive signal 203 respectively to alarm module and fine setting module; If 85%≤RH<95%, then transmit humidity executive signal 101 to fine setting module, if RH >=95%, then transmit alarm signal and humidity executive signal 102 respectively to alarm module and fine setting module; After fine setting module performs air pressure executive signal 001 or 002, if T≤-70 DEG C, then transmit air pressure executive signal 004 to fine setting module;
Described fine setting module, comprise the electronic valve being located at steam outlet, and the opening and closing valve of material feeding mouth and steam inlet, for receiving air pressure executive signal 001, temperature executive signal 1 and humidity executive signal 101, and the electronic valve controlling corresponding steam inlet turns down; Receive air pressure executive signal 004, and the electronic valve controlling corresponding steam inlet is opened greatly; Receive air pressure executive signal 002 and temperature executive signal 202, and the electronic valve controlling steam (vapor) outlet is opened greatly; Receive air pressure executive signal 003, temperature executive signal 203 and humidity executive signal 102, and control the opening and closing valve closing of material feeding mouth and steam access mouth successively.
Further, each steam inlet described is provided with electronic valve and original state is half open and-shut mode, described air pressure detection module comprise to be located at respectively directly over steam diverter or immediately below baroceptor, described baroceptor is superhigh temperature baroceptor, for detecting the air pressure at each electronic valve place, and be converted into corresponding digital signal transfers to PLC, described temperature detecting module comprises the temperature sensor being located at each electronic valve place, for detecting the temperature at each electronic valve place, and be converted into corresponding digital signal transfers to PLC, described humidity detecting module comprises the humidity sensor being located at each electronic valve place, for detecting the humidity at each electronic valve place, and be converted into corresponding digital signal transfers to PLC.
Further, described PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value at each steam inlet place is carried out portraitlandscape compare between two, air pressure executive signal 005 is transmitted to fine setting module, the electronic valve at the little place of described fine setting module controlling value is opened greatly, the electronic valve of value general goal turns down, namely PLC by the atmospheric pressure value at the upper left quarter electronic valve place of longitudinal direction compared with the atmospheric pressure value at lower left quarter electronic valve place, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, longitudinal right side with it in like manner, PLC by the atmospheric pressure value at the upper left quarter electronic valve place of transverse direction compared with the atmospheric pressure value at upper right quarter electronic valve place, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, horizontal downside with it in like manner.
Further, described alarm module is provided with alarm, and described alarm module receives early warning executive signal, starts alarm.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, in evaporimeter, steam utilization is high, and heat exchange efficiency significantly improves.
One deck waveform ceramic fibre that surface of shell is set up, increase the turbulent effect of steam, principle is similar to destilling tower, by arranging steam distributor, extends the heat-exchange time of steam in device, several deflecting bar pipes and deflection plate are set in steam channel simultaneously, reduce steam flow rate, the liquid of cohesion, by outside the U-lag flow direction device on deflection plate, not only increases heat exchange efficiency, can also get rid of the liquid of cohesion in time, in evaporimeter, steam utilization improves; In addition, by offering U-lag in the side of circular hole block formula graphite heat exchange block, increase the contact area of steam and graphite block, indirectly add heat-exchange time, meanwhile, some through holes are set in its side, further increase the contact area of steam and graphite block, just considerably increase the heat-exchange time of steam and graphite heat exchange block on the whole, in evaporimeter, heat exchange efficiency obviously increases.
2, indirect steam is recycled, distribution of steam in evaporimeter evenly.
Housing arranges steam (vapor) outlet, steam (vapor) outlet connects automatic control system, automatic control system is connected to heat pump, the indirect steam ejected becomes high-temperature steam after being compressed by heat pump, high-temperature steam is transported to steam inlet again by automatic control system, steam is reached recycle, reduce unnecessary waste; Import and export by arranging several steam on housing, make distribution of steam in evaporimeter evenly, making it can not that evaporimeter bottom be caused to be heated be uneven because the rising of steam assembles, and heat exchange efficiency significantly improves.
3, housing high temperature high voltage resistant, decay resistance are strengthened, and thermal loss is few.
By adding one deck ceramic fiber layer in inner walls, block the high temperature in heat exchanger, heat is stayed in device as far as possible, simultaneously because ceramic fibre itself has corrosion-resistant high voltage performance, indirectly improve the corrosion-resistant high voltage performance of housing, extend the service life of housing, corresponding cost is controlled; In addition, coat anticorrosive property composite bed at housing exterior walls, enhance the adaptive capacity of evaporimeter in the working environment of humidity.
4, graphite heat exchange block longer service life, heat exchanger is more durable.
By arranging resistance to erosion portion and steam diverter at material inlet place and steam inlet place, being strictly on guard against impulsive force due to steam and material and destruction that graphite heat exchange block is caused, making graphite heat exchange block more durable, reduce maintenance and change number of times, cost is controlled.
5, Automated condtrol, evaporation and concentration efficiency is high, and produce more efficient, cost is lower.
Graphite evaporator arranges automatic control system, to the inlet of steam, force value in evaporimeter, temperature value and humidity value are controlled, evaporimeter is worked under optimal condition, evaporation and concentration maximizing efficiency, meanwhile, eliminates artificial on-the-spot manipulation, production efficiency improves, and cost reduces.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the sectional structure schematic diagram of a kind of graphite evaporator for evaporation and concentration of the present utility model.
Mark in figure: 1 is material discharging opening, and 2 is compression spring, and 3 is upper cover, and 4 is upper sealing plate, 5 is steam inlet, and 6 is steam diverter, and 7 is steam (vapor) outlet, and 8 is housing, 9 is steam distributor, and 10 is deflection plate, and 11 is pull bar, 12 is sewage draining exit, and 13 is resistance to erosion portion, and 14 is material feeding mouth, 15 is low head, and 16 is lower shoe, and 17 is condensate liquid import, 18 is condensate outlet, and 19 is graphite heat exchange block, and 20 is steam access mouth.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As shown in Figure 1, Fig. 1 shows a kind of graphite evaporator for evaporation and concentration of the present utility model, some layers of graphite heat exchange block 19 are provided with in housing 8, housing 8 upper end is provided with material discharging opening 1, lower end is provided with material feeding mouth 14, both sides, housing 8 bottom are provided with condensate liquid import 17, condensate outlet 18, sewage draining exit 12, and condensate liquid import 17 is directly over condensate outlet 18, and sewage draining exit 12 is at the opposite side of condensate outlet 18.A circle steam distributor 9 is equipped with in the upper bottom of housing 8, steam distributor 9 both sides of housing 8 upper and lower are equipped with steam inlet 5, the side of the steam distributor 9 in the middle part of housing 8 is provided with steam access mouth 20, steam inlet 5 place is connected with automatic control system, steam (vapor) outlet 7 is provided with directly over steam inlet 5 side of housing upper, steam inlet 5 diameter dimension in the middle part of housing 8 is greater than steam inlet 5 diameter dimension of housing 8 upper and lower, steam inlet 5 and steam access mouth 20 place are provided with steam diverter 6, steam diverter 6 is fixedly mounted on graphite heat exchange block 19.In addition, material feeding mouth 14 is provided with low head 15 and lower shoe 16, low head 15 is fixedly connected with a resistance to erosion portion 13, low head 15 is fixedly connected with lower shoe 16, material discharging opening 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, be fixedly connected with by pull bar 11 between upper sealing plate 4 with lower shoe 16, the upper end of pull bar 11 is provided with compression spring 2.Material feeding mouth 14, material channel is formed between graphite heat exchange block 19 and material discharging opening 1, housing 8, steam distributor 9, steam channel is formed between graphite heat exchange block 19, asbestos packing packing seal is adopted between material channel and steam channel, several semicircle ring-type deflecting bar pipe (not marking in figure) and deflection plates 10 are provided with in steam channel, deflecting bar pipe is fixedly connected on graphite heat exchange block 19, deflection plate 10 is fixedly mounted on graphite heat exchange block 19 and housing 8 inwall, deflection plate 10 is mutually vertical with deflecting bar pipe position, deflection plate 10 one side is upward provided with several U-type groove.
When steam enters evaporimeter inside by steam inlet 5 and steam access mouth 20, steam enters into steam distributor 9 by steam channel, dregs before in steam are gathered in evaporimeter bottom owing to being subject to the barrier effect of evaporimeter inside by stop, then discharge outside evaporimeter by sewage draining exit 12, make steam keep clean.Clean steam continues to spread in steam distributor 9 to come, owing to being provided with deflecting bar pipe and deflection plate 10 in steam channel, so just extend the circulation distance of steam in evaporimeter, slow down the velocity of liquid assets of steam, add heat-exchange time, the liquid of simultaneously cohesion in steam can by the U-lag on deflection plate 10 diversed go out outside device, lowering device humidity, reduce humidity to the impact of evaporimeter, make to keep certain aridity in device.After steam heat-exchanging completes, remaining steam will by outside steam (vapor) outlet 7 displacer, directly can not bring secondary to utilize because remaining vapor (steam) temperature is lower, then can connect a heat pump by automatic control system, indirect steam becomes high-temperature steam by heat pump compression, and then be transported to steam inlet 5 by automatic control system, reach secondary cycle and utilize.
In the present embodiment, main steam access mouth 20 in the middle part of housing 8 passes into a large amount of steam, the steam inlet 5 of the upper and lower of housing 8 mainly plays auxiliary logical vapor action, in order to make distribution of steam in device as far as possible evenly, allow the carrying out that exchange heat is more stable, steam access mouth 20 diameter dimension therefore in the middle part of housing 8 is greater than steam inlet 5 diameter dimension of housing 8 upper and lower.Further; the steam diverter 6 at steam inlet 5 and steam access mouth 20 place is made up of corrosion-and high-temp-resistant material; preferably adopt polytetrafluoroethylene (PTFE); structure is vane type of turbine; when the steam of high temperature enters in device; by the barrier effect of steam diverter 6; eliminate steam to the direct impact of graphite heat exchange block 19; prevent graphite heat exchange block 19 from bursting, reach the object of protection graphite heat exchange block 19, simultaneously; the impulsive force of steam can drive steam diverter 6 to rotate; steam is spread towards periphery, increases the turbulent effect of steam, improve heat exchange efficiency.
In the present embodiment, material inlet 14 place is provided with a resistance to erosion portion 13, resistance to erosion portion 13 is made up of polytetrafluoroethylene (PTFE), when material pours evaporimeter inside by material feeding mouth 14, first be punched in resistance to erosion portion 13, due to resistance to erosion portion 13 offering several through holes, material is made to flow into evaporimeter by the through hole in resistance to erosion portion 13 inner, the buffering reallocation of material through resistance to erosion portion 13 enters into the heat exchanging holes of graphite heat exchange block 19, after adopting this structure, the particle carried secretly in material can be avoided directly to impact graphite heat exchange block surface on the one hand, enhance graphite heat exchanger flushing resistance, on the other hand, effectively can also control the flow velocity of material, control the inlet of material in heat exchanger inside, under preventing emergency case, material fills up whole heat exchanger inside and destroys heat exchanger, extend the service life of graphite heat exchanger.In addition, because resistance to erosion portion 13 is arranged on evaporimeter low head 15, make maintenance and change convenient.
In an embodiment of the present utility model, graphite heat exchange block 19 adopts circular hole block formula graphite heat exchange block, dig in the outside of graphite heat exchange block 19 and have U-lag mouth and horizontal heat exchange through hole, FFKM is adopted to seal between every layer of graphite heat exchange block 19, like this in heat transfer process, these notches and horizontal heat exchange through hole add heat exchange area, extend heat-exchange time, indirectly improve heat exchange efficiency, just significantly improve the heat exchange efficiency of heat exchanger on the whole, the performance of evaporimeter is just improved, and is easy to promote the use of.
In an embodiment of the present utility model, in order to the turbulent effect of steam in further intensive, delay steam in heat exchanger with the heat-exchange time of graphite heat exchange block 19, be provided with one deck waveform heat insulation layer at the inwall of housing 8, principle is similar to destilling tower.Meanwhile, in order to make heat remain in device as far as possible, the heat insulation layer of housing 8 adopts ceramic fiber layer, and thickness is 4 ~ 7mm, with the heat exchange outside device in block device, reduces thermal loss.Not easily be corroded to make housing 8 outer wall further, housing itself adopts stainless steel material, preferably adopt 0Cr17NiAl steel, and the anticorrosion composite bed of last layer to be coated with at the outer wall of housing 8, anticorrosion composite bed comprises sprayed metal coating and anticorrosive paint coating, and sprayed metal coating adopts aluminium-plated coating, and in this, as coated substrate, anticorrosive paint coating adopts epoxy anticorrosive coating, covers on sprayed metal coating.This combined anti-corrosion layer antiseptic effect is desirable, and coating difficult drop-off is durable in use, makes evaporimeter can adapt to moist working environment completely.
The utility model embodiment still provides a kind of automatic control system of the graphite evaporator for evaporation and concentration; comprise air pressure detection module, temperature detecting module, humidity detecting module, alarm module, PLC and fine setting module; air pressure detection module for detecting the air pressure P in housing 8, and is converted to air pressure data signal and is passed to PLC; Temperature detecting module for detecting the temperature T in housing 8, and is converted to temperature digital signal transmission to PLC; Humidity detecting module for detecting the humidity RH in housing 8, and is converted to humidity digital signal transfers to PLC;
PLC receives each data signal, if judge 0.4MPa≤P<0.5MPa, then transmit air pressure executive signal 001 to fine setting module, if 0.5MPa≤P<0.55MPa, then finely tune module and transmit air pressure executive signal 002, if P >=0.55MPa, then transmit alarm signal and air pressure executive signal 003 respectively to alarm module and fine setting module; If 400 DEG C≤T<450 DEG C, then transmit temperature executive signal 201 to fine setting module, if 450 DEG C≤T<480 DEG C, then transmit temperature executive signal 202 to fine setting module, if T >=480 DEG C, then transmit alarm signal and temperature executive signal 203 respectively to alarm module and fine setting module; If 85%≤RH<95%, then transmit humidity executive signal 101 to fine setting module, if RH >=95%, then transmit alarm signal and humidity executive signal 102 respectively to alarm module and fine setting module; After fine setting module performs air pressure executive signal 001 or 002, if T≤-70 DEG C, then transmit air pressure executive signal 004 to fine setting module;
Fine setting module, comprise the electronic valve being located at steam (vapor) outlet 7 place, and the opening and closing valve of material feeding mouth 14 and steam inlet 5, for receiving air pressure executive signal 001, temperature executive signal 201 and humidity executive signal 101, and the electronic valve controlling corresponding steam inlet 5 turns down; Receive air pressure executive signal 004, and the electronic valve controlling corresponding steam inlet 5 is opened greatly; Receive air pressure executive signal 002 and temperature executive signal 202, and the electronic valve controlling steam (vapor) outlet 7 is opened greatly; Receive air pressure executive signal 003, temperature executive signal 203 and humidity executive signal 102, and control the opening and closing valve closing of material feeding mouth 14 and steam access mouth 20 successively.
Each steam inlet 5 is provided with electronic valve and original state is half open and-shut mode, air pressure detection module comprise to be located at respectively directly over steam diverter 6 or immediately below baroceptor, baroceptor is superhigh temperature baroceptor, for detecting the air pressure at each electronic valve place, and be converted into corresponding digital signal transfers to PLC, described temperature detecting module comprises the temperature sensor being located at each electronic valve place, for detecting the temperature at each electronic valve place, and be converted into corresponding digital signal transfers to PLC, humidity detecting module comprises the humidity sensor being located at each electronic valve place, for detecting the humidity at each electronic valve place, and be converted into corresponding digital signal transfers to PLC.
PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value at each steam inlet 5 place is carried out portraitlandscape compare between two, air pressure executive signal 005 is transmitted to fine setting module, the electronic valve at the little place of described fine setting module controlling value is opened greatly, the electronic valve of value general goal turns down, namely PLC by the atmospheric pressure value at the upper left quarter electronic valve place of longitudinal direction compared with the atmospheric pressure value at lower left quarter electronic valve place, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, longitudinal right side with it in like manner, PLC by the atmospheric pressure value at the upper left quarter electronic valve place of transverse direction compared with the atmospheric pressure value at upper right quarter electronic valve place, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, horizontal downside with it in like manner.
Alarm module is provided with alarm, and alarm module receives early warning executive signal, starts alarm, feeds back abnormal conditions in time, prevent contingency from occurring, and improves the security performance of graphite evaporator.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (8)
1. the graphite evaporator for evaporation and concentration, comprise housing (8), be located at the some layers of graphite heat exchange block (19) in housing (8), be located at the material discharging opening (1) of housing (8) upper end, be located at the material feeding mouth (14) of housing (8) lower end, be located at the condensate liquid import (17) of housing (8) both sides, bottom, condensate outlet (18), sewage draining exit (12), it is characterized in that: described housing (8) inwall scribbles one deck heat insulation layer, inner wall surface undulate, housing (8) outer wall scribbles one deck anticorrosive property composite bed, housing (8) itself adopts stainless steel to make, a circle steam distributor (9) is equipped with in housing (8) upper bottom, steam distributor (9) both sides of housing (8) upper and lower are equipped with steam inlet (5), the side of the steam distributor (9) at housing (8) middle part is provided with steam access mouth (20), described steam inlet (5) place is connected with automatic control system, steam (vapor) outlet (7) is provided with directly over steam inlet (5) side on housing (8) top, described graphite heat exchange block (19) is circular hole block formula impregnated graphite, graphite heat exchange block (19) outside is provided with several U-lags and cross through hole, FFKM is adopted to seal between every layer of graphite heat exchange block (19).
2. a kind of graphite evaporator for evaporation and concentration as claimed in claim 1, it is characterized in that: described material feeding mouth (14) is provided with low head (15) and lower shoe (16), described low head (15) is fixedly connected with a resistance to erosion portion (13), low head (15) is fixedly connected with lower shoe (16), described material discharging opening (1) is provided with upper cover (3) and upper sealing plate (4), described upper cover (3) is fixedly connected with upper sealing plate (4), be fixedly connected with by pull bar (11) between upper sealing plate (4) with lower shoe (16), described pull bar (11) upper end is provided with compression spring (2), described resistance to erosion portion (13) is made up of polytetrafluoroethylene (PTFE), the diameter base size in resistance to erosion portion (13) is slightly less than (14) material feeding mouth diameter dimension, cross section is trapezium structure, side and the bottom surface in resistance to erosion portion (13) all offer through hole, described shape of through holes is trapezoidal circular hole, Circularhole diameter is slightly less than graphite heat exchanging holes diameter.
3. a kind of graphite evaporator for evaporation and concentration as claimed in claim 2, it is characterized in that: described material feeding mouth (14), material channel is formed between graphite heat exchange block (19) and material discharging opening (1), described housing (8), steam distributor (9), graphite heat exchange block forms steam channel between (19), asbestos packing packing seal is adopted between described material channel and steam channel, several semicircle ring-type deflecting bar pipes and deflection plate (10) is provided with in described steam channel, described deflecting bar pipe is fixedly connected on graphite heat exchange block (19), described deflection plate (10) is fixedly mounted on graphite heat exchange block (19) and housing (8) inwall, deflection plate (10) is mutually vertical with deflecting bar pipe position, deflection plate (10) one side is upward provided with several U-type groove.
4. a kind of graphite evaporator for evaporation and concentration as claimed in claim 3, it is characterized in that: steam access mouth (20) diameter dimension at described housing (8) middle part is greater than steam inlet (5) diameter dimension of housing (8) upper and lower, steam inlet (5) and steam access mouth (20) place are equipped with steam diverter (6), described steam diverter (6) is fixedly mounted on graphite heat exchange block (19), steam diverter (6) adopts polytetrafluoroethylene (PTFE) to make, and structure is vane type of turbine.
5., for an automatic control system for the graphite evaporator of evaporation and concentration, for automatically controlling a kind of graphite evaporator for evaporation and concentration as described in any one of claim 1 ~ 4, it is characterized in that:
A kind of automatic control system of the graphite evaporator for evaporation and concentration; it is characterized in that; comprise air pressure detection module, temperature detecting module, humidity detecting module, alarm module, PLC and fine setting module; described air pressure detection module for detecting the air pressure P in housing (8), and is converted to air pressure data signal and is passed to PLC; Described temperature detecting module for detecting the temperature T in housing (8), and is converted to temperature digital signal transmission to PLC; Described humidity detecting module for detecting the humidity RH in housing (8), and is converted to humidity digital signal transfers to PLC;
PLC receives each data signal, if judge 0.4MPa≤P<0.5MPa, then transmit air pressure executive signal 001 to fine setting module, if 0.5MPa≤P<0.55MPa, then finely tune module and transmit air pressure executive signal 002, if P >=0.55MPa, then transmit alarm signal and air pressure executive signal 003 respectively to alarm module and fine setting module; If 400 DEG C≤T<450 DEG C, then transmit temperature executive signal 201 to fine setting module, if 450 DEG C≤T<480 DEG C, then transmit temperature executive signal 202 to fine setting module, if T >=480 DEG C, then transmit alarm signal and temperature executive signal 203 respectively to alarm module and fine setting module; If 85%≤RH<95%, then transmit humidity executive signal 101 to fine setting module, if RH >=95%, then transmit alarm signal and humidity executive signal 102 respectively to alarm module and fine setting module; After fine setting module performs air pressure executive signal 001 or 002, if T≤-70 DEG C, then transmit air pressure executive signal 004 to fine setting module;
Described fine setting module, comprise the electronic valve being located at steam inlet (5) and steam (vapor) outlet (7) place, and the opening and closing valve of material feeding mouth (14) and steam access mouth (20), for receiving air pressure executive signal 001, temperature executive signal 201 and humidity executive signal 101, and the electronic valve controlling corresponding steam inlet (5) turns down; Receive air pressure executive signal 004, and the electronic valve controlling corresponding steam inlet (5) is opened greatly; Receive air pressure executive signal 002 and temperature executive signal 202, and the electronic valve controlling steam (vapor) outlet (7) is opened greatly; Receive air pressure executive signal 003, temperature executive signal 203 and humidity executive signal 102, and control the opening and closing valve closing of material feeding mouth (14) and steam access mouth (20) successively.
6. the automatic control system of a kind of graphite evaporator for evaporation and concentration as claimed in claim 5, it is characterized in that: described each steam inlet (5) is provided with electronic valve and original state is half open and-shut mode, described air pressure detection module comprise to be located at respectively directly over steam diverter (6) or immediately below baroceptor, described baroceptor is superhigh temperature baroceptor, for detecting the air pressure at each electronic valve place, and be converted into corresponding air pressure digital signal transfers to PLC, described temperature detecting module comprises the temperature sensor being located at each electronic valve place, for detecting the temperature at each electronic valve place, and be converted into corresponding temperature digital signal transmission to PLC, described humidity detecting module comprises the humidity sensor being located at each electronic valve place, for detecting the humidity at each electronic valve place, and be converted into corresponding humidity digital signal transfers to PLC.
7. the automatic control system of a kind of graphite evaporator for evaporation and concentration as claimed in claim 6, it is characterized in that: described PLC receives each air pressure data signal, if P<0.4MPa, the atmospheric pressure value at each steam inlet (5) place is carried out portraitlandscape compare between two, and transmit air pressure executive signal 005 to fine setting module, the electronic valve at the little place of described fine setting module controlling value is opened greatly, the electronic valve of value general goal turns down, namely the atmospheric pressure value at the upper left quarter electronic valve place of longitudinal direction compares with the atmospheric pressure value at lower left quarter electronic valve place by PLC, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, longitudinal right side with it in like manner, PLC by the atmospheric pressure value at the upper left quarter electronic valve place of transverse direction compared with the atmospheric pressure value at upper right quarter electronic valve place, and the electronic valve controlling the little place of atmospheric pressure value is opened greatly, the electronic valve of controlling value general goal turns down, horizontal downside with it in like manner.
8. the automatic control system of a kind of graphite evaporator for evaporation and concentration as claimed in claim 7, is characterized in that: described alarm module is provided with alarm, and described alarm module receives alarm signal, starts alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520755986.3U CN205109055U (en) | 2015-09-28 | 2015-09-28 | A graphite evaporimeter for evaporative concentration and automatic control system thereof |
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| CN201520755986.3U CN205109055U (en) | 2015-09-28 | 2015-09-28 | A graphite evaporimeter for evaporative concentration and automatic control system thereof |
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| CN205109055U true CN205109055U (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396303A (en) * | 2015-09-28 | 2016-03-16 | 夏烬楚 | Graphite evaporator for concentration by evaporation and automatic control system thereof |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396303A (en) * | 2015-09-28 | 2016-03-16 | 夏烬楚 | Graphite evaporator for concentration by evaporation and automatic control system thereof |
| CN105396303B (en) * | 2015-09-28 | 2017-12-12 | 南安泉鸿孵化器管理有限公司 | A kind of graphite evaporator for being used to be concentrated by evaporation and its automatic control system |
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Inventor after: Lu Zhaojun Inventor before: Xia Jinchu |
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Effective date of registration: 20170329 Address after: 528305 Guangdong City, Shunde District, Ronggui small yellow village neighborhood park road, No. D, one of the first floor, block Patentee after: Shunde Foshan Delhi Mould Technology Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170329 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 610000 Chengdu City, Wuhou District province Longmen Lane No. 1, building 2, unit 12, No., No. 6 Patentee before: Xia Jinchu |
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