CN105241259A - Uninterrupted calcium carbide furnace afterheat recovery control system and method - Google Patents
Uninterrupted calcium carbide furnace afterheat recovery control system and method Download PDFInfo
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- CN105241259A CN105241259A CN201510655491.8A CN201510655491A CN105241259A CN 105241259 A CN105241259 A CN 105241259A CN 201510655491 A CN201510655491 A CN 201510655491A CN 105241259 A CN105241259 A CN 105241259A
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Abstract
The invention discloses an uninterrupted calcium carbide furnace afterheat recovery control system and method, and belongs to calcium carbide furnace afterheat recovery systems and methods. The system comprises an afterheat recovery chamber, a heat tube exchanger, a cooling circulating air device, a hot water and steam circulating device and a PLC automatic control device, wherein the afterheat recovery chamber adopts a multi-grade parallel mode, and achieves continuous production through automatic switching so as to overcome the defect of production intermittence of general afterheat recovery; the cooling circulating air system and the hot water and steam circulating system perform real-time adjustment according to different afterheat recovery conditions and output utilization conditions; the PLC automatic control device achieves real-time monitoring and automatic control of whole afterheat recovery to adjust the switching between different afterheat recovery chambers and the rotating speed of a hot air circulating pump and a hot water and steam circulating pump so as to realize optimal control. The uninterrupted calcium carbide furnace afterheat recovery control system and method can preferably recycle radiation and sensible heat in the cooling process of calcium carbide, improve actual lasting production capacity, and have better actual promotion and application value.
Description
Technical field
The present invention relates to a kind of calcium carbide furnace heat-recovering system and method, be specifically related to a kind of uninterrupted furnace of calcium carbide waste heat recovery control system and method.
Background technology
Calcium carbide is important basic chemical industry raw material, in guarantee national economy steady and rapid growth, meets in relevant industries demand etc. and plays an important role.The present situation of china natural resources " few oil, deficency, coal relative abundance ", determining calcium carbide will have irreplaceable important function in the national economic development from now on.In recent years, China's calcium carbide industry development speed is very fast, and oneself becomes the first in the world production and consumption big country.2014, China's calcium carbide output reached 2,600 ten thousand tons, and production capacity accounts for more than 90% of world's aggregated capacity.But the calcium carbide industry of China is still faced with " energy consumption is higher, safety and environmental protection level is low, automaticity is poor " three large problem.At the beginning of 2014, for specification calcium carbide industry development order, promote upgrading of industrial structures further, Ministry of Industry and Information has put into effect calcium carbide industry entry criteria, specially new requirement is proposed to the energy consumption of newly-built furnace of calcium carbide and old furnace of calcium carbide, discharge, the aspect such as energy-conservation, very urgent to the technological transformation of furnace of calcium carbide.
Calcium carbide is produced and is mainly contained two-part waste heat, and one is the fume afterheat of furnace of calcium carbide, and another one is the sensible heat in calcium carbide cooling procedure.Oven-fresh melting calcium carbide temperatures as high about 2000 degree, and during current calcium carbide produces, molten condition calcium carbide is generally nature cooling, naturally is cooled by long-time or air-cooledly realized.This cooling means also exists a large amount of energy dissipations.Rationally recycled by waste heat in cooling procedure is the important technology modification measures of calcium carbide production energy-saving and emission-reduction in addition.
Number of patent application be 201410494945.3,201410238546.0 and 201310251649.6 patent propose exhaust heat recovering method in self-designed calcium carbide cooling procedure and device respectively, the recycling for furnace of calcium carbide sensible heat provides good reference significance.But all there is a common shortcoming above in the middle of several patent, the discontinuity that calcium carbide is produced have impact on the utilization of waste heat recovery.What several patent adopted substantially above is an all closed insulated space, by air-cooled or heat pipe exchanger by exchange heat out.When calcium carbide container needs to change time, or time calcium carbide production midfeather is larger, closed container needs to carry out replacing calcium carbide, more or less all can have influence on the air force of heat recovery, cause the unstability of heat recovery.
Summary of the invention
The object of the invention is to provide a kind of uninterrupted furnace of calcium carbide waste heat recovery control system and method, solve in existing furnace of calcium carbide waste heat recovery and produce the problem of indirect to waste heat sustainable utilization.
The object of the present invention is achieved like this: this waste heat recovery control system comprises waste heat recovery room, heat pipe exchanger, cool cycles wind apparatus, hot water and steam circulating device and PLC automaton; Waste heat recovery room, heat pipe exchanger, cool cycles wind apparatus and hot water and steam circulating device are connected with PLC automaton; Two, waste heat recovery room is hermatic door, and there are the air inlet of cooling air, an air outlet having a cooling air in one, upper end, waste heat recovery room, and the air port at the two ends of waste heat recovery room is equipped with control valve; Waste heat recovery has track bottom indoor, waste heat recovery room front and back and visit wall type heat pipe exchanger be housed, heat pipe exchanger is positioned at the centre position of cool cycles wind apparatus; The cold water of hot water and steam circulating device is by being connected with heat pipe exchanger to the heat pipe of water circulating pump with waste heat recovery room wall, and cooling water is connected with water circulating pump by water compensating valve.
Described PLC automaton comprise PLC and host computer, host computer is industrial computer, and the output of PLC is connected with the input of host computer; PLC comprises input detection unit, output control unit and ipc monitor unit; Input detects list and is connected with input signal, described input signal comprises the current temperature in each heat recovery room, pressure parameter, the air quantity of the various piece of hot air circulating system, pressure, temperature, the various piece pressure of cold water and steam circulation, temperature and flow, the state of each valve, the state of circulating fan, the state of water circulating pump and generation load situation; Described output signal comprises the switch control rule of the control valve at each two ends, heat recovery room, and the rotating speed of circulating fan controls, and the rotating speed of water circulating pump controls, and the control of air valve is mended in the control of moisturizing valve; Described ipc monitor unit, according to the state of PLC input signal, carries out analyzing the control system judging to draw and need to regulate, and exports to governor motion.
Exhaust heat recovering method: melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery; By calculating the output of furnace of calcium carbide, and the quantity of calcium carbide carrier loader, the heat recovering process of rational arrangement calcium carbide, make furnace of calcium carbide in the production process of being interrupted, calcium carbide cooling residual heat reclaims room to carry out all the time, and the process that exhaust heat recovery power generation utilizes would not be interrupted because of the interruption productivity of furnace of calcium carbide, achieve the continuation of generating; Whole melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery; Concrete steps are:
(1) the melting calcium carbide processed is contained in calcium carbide carrier loader, by the calculating of host computer and PLC, distinguish its position needing the waste heat recovery room delivered to, then host computer and PLC control the closedown of the two ends valve of this waste heat recovery room and enter the unlatching of gate, allow calcium carbide carrier loader enter electricity smoothly; Absorb in heat prepares out waste heat recovery room at calcium carbide carrier loader, needed host computer and PLC to carry out controlling the valve closing at two ends, waste heat recovery room equally, open the gate of waste heat recovery room, allow calcium carbide carrier loader be left by track smoothly;
(2) under cold wind circulates in the effect of blower fan, first by wall type heat pipe, carry out preheating in each waste heat recovery room, then carry out heat exchange through over-heat-exchanger and hot water cyclesystem, hot water becomes steam through heating, and supply gas turbine generates electricity;
(3) steam after generating through condensation process, then sends back to water circulating pump, carries out circulation next time; Before water circulating pump, add moisturizing valve, carry out moisturizing when the water yield is inadequate;
(4) cool cycles wind carries out exchange heat through over-heat-exchanger and steam circulation, and then through deduster, the impurity removed in wind returns blower fan.Air quantity is housed before deduster and supplements valve, can its supplementary air quantity be passed through when wind-force is not enough;
(5) switching magnetic-resistance intelligence governor system control cold wind air circulation is adopted, by the monitoring of each position cool cycles air quantity, the rotating speed of adjustment motor in time, thus the size of control air quantity is to meet the requirement of cool cycles wind;
(6) according to the power generation requirements of steam turbine, adopt switching magnetic-resistance intelligence governor system control hot water and steam flow, make waste heat recovery process can produce the steam met the demands;
(7) host computer and PLC control system complete monitoring whole melting calcium carbide exhaust heat recovery power generation process, by gathering the sensor signal of each position, obtain the state of whole production process, obtain by the actuator such as valve, blower fan, water pump adjusting each position the productive target met the demands.
Beneficial effect, owing to have employed such scheme, intelligent speed-governing system regulates and controls the flow in heat recovery, and (1) devises the general structure of calcium carbide furnace heat-recovering system; (2) adopt the method for multiple furnace of calcium carbide waste heat recovery room parallel connection, automatically switched by pipeline and distinguish method for distinguishing, realizing the uninterrupted waste heat recovery of furnace of calcium carbide; (3) PLC is adopted to carry out design of automatic control to furnace of calcium carbide waste-heat recovery device; (4) switched reluctance variable speed machine is adopted to carry out intelligentized control method design to furnace of calcium carbide heated air circulation device and water circle device.
There is the air inlet of cool cycles wind system the side of waste heat recovery room, the air outlet of an other termination cool cycles wind apparatus; The wall of waste heat recovery room is the heat pipe forming heat exchanger, adopts heat pipe structure to carry out preheating to recirculated water; Hot water and steam circulating device carry out heat exchange by heat exchanger and cool cycles wind.
Waste heat recovery room adopts the mode of multiple waste heat recovery room parallel connection, according to the production capacity of on-the-spot furnace of calcium carbide and the quantity of cooled containers, determines the number of waste heat recovery room; Each waste heat recovery room adopts enclosed structure, and outside employing thermal insulation layer, prevents heat losses; Between thermal insulation layer and inside, arrange heat pipe, preheating is carried out to the cold water of water and steam circulating device; The two ends of waste heat recovery room are connected to import and the outlet of cool cycles wind, are cooled calcium carbide by circulated air; Two ends, waste heat recovery room adopt closing door, under be equipped with calcium carbide cooled containers and run guide rail, the convenient control to calcium carbide cooled containers.
The air inlet of cool cycles wind apparatus is connected with two ends, waste heat recovery room respectively with air outlet; Air outlet is connected with heat pipe exchanger by pipeline; By its wind speed of air-blower control; Deduster is connect, decontamination cycle wind after blower fan.
The cold water of hot water and steam circulating device is by feed pump, and the heat pipe of approach waste heat recovery room wall carries out preheating; Then heat pipe exchanger is reached through piping, by water being heated to be steam with hot blast energy exchange; Steam provides energy to gas turbine, and gas turbine drive electrical generators exports electric energy; Again circulating water is supplied to after steam cooling; If cooling water flow is inadequate, carries out current by water compensating valve and supplement.
The air quantity of cooling wind circulating device regulates and regulates with hot water and vapor flow is the automatic adjustment adopting magnetic resistance switch speed-adjustable device to realize air quantity, steam quality; Magnetic resistance switch speed-adjustable system is connected with PLC automaton by network, by receiving the given instruction of host computer, by adjustment motor speed, completes the adjustment of air quantity and steam quality.
Described uninterrupted waste-heat recovery device be uninterruptedly the mode of multiple waste heat recovery room parallel connections of sampling, in the handoff procedure of calcium carbide cooled containers, by the closedown of valve, the waste heat recovery room changing calcium carbide cooling road is temporarily excised from device, prevents the loss of circulated air; As long as have a waste heat recovery room to be in stable heat recovering process all the time simultaneously, whole heat recovery system would not be stagnated, and achieves the stable output of steam.
Described PLC automaton comprise PLC and host computer, host computer is industrial computer, and the output of PLC is connected with the input of host computer; The temperature detection of waste heat recovery room, pressure detecting, cooled containers position is detected, cooling air quantity and temperature detection, and the sensor that steam quality detects is connected with the input of PLC; The output of PLC realizes controlling to opening of waste heat recovery room, controlling to the propelling of calcium carbide cooled containers, control the air force of cooling wind circulating device with release with closing the border, and controls the steam pressure of hot water and water steam list device and moisturizing.
Advantage of the present invention is as follows:
(1) waste heat recovery room adopts the mode of multiple waste heat recovery room parallel connection, by reasonably calculating and arranging, the production model of this interruption of melting calcium carbide can be made to obtain continuous print waste heat recovery, thus more reasonable on steam-electric power utilizes.
(2) waste heat recovery room is when loading and unloading calcium carbide carrier loader, the valve at its two ends is all in closed condition, the pressure of whole quenching system can not be affected, by the control of valve, when having loaded calcium carbide carrier loader, waste heat recovery room progressively adds the whole circulatory system, can not cause greater impact to system.
(3) whole system adopts host computer and PLC monitor, can the waste heat recovery running status of rational computing system, overall arrangement) landing state of waste heat recovery room, control system is more effective orderly.
(4) adopt Switched Reluctance Motor, realize the intelligent speed-regulating to Fan and pump, achieve the real-time control of air quantity and the water yield, and save the energy.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of melting calcium carbide waste heat recovery generating system of the present invention.
Fig. 2 is waste heat recovery sealed compartment side-looking structure chart of the present invention.
Fig. 3 is waste heat recovery sealed compartment Facad structure figure of the present invention.
Fig. 4 is the PLC control chart of melting calcium carbide waste heat recovery generating system of the present invention.
Detailed description of the invention
This residual neat recovering system comprises waste heat recovery room, heat pipe exchanger, cool cycles wind apparatus, hot water and steam circulating device and PLC automaton; Waste heat recovery room, heat pipe exchanger, cool cycles wind system and hot water and steam circulation are connected with PLC automaton; Two, waste heat recovery room is hermatic door, and there are the air inlet of cooling air, an air outlet having a cooling air in one, upper end, waste heat recovery room, and the air port at the two ends of waste heat recovery room is equipped with control valve; Waste heat recovery has track bottom indoor, waste heat recovery room front and back and visit wall type heat pipe exchanger be housed, heat pipe exchanger is positioned at the centre position of cool cycles wind apparatus; The cold water of hot water and steam circulating device is by being connected with heat pipe exchanger to the heat pipe of water circulating pump with waste heat recovery room wall, and cooling water is connected with water circulating pump by water compensating valve.
Described PLC automaton comprise PLC and host computer, host computer is industrial computer, and the output of PLC is connected with the input of host computer; The temperature detection of waste heat recovery room, pressure detecting, cooled containers position is detected, cooling air quantity and temperature detection, and the sensor that steam quality detects is connected with the input of PLC; The output of PLC realizes controlling to opening of waste heat recovery room, controlling to the propelling of calcium carbide cooled containers, control the air force of cooling wind circulating device with release with closing the border, and controls the steam pressure of hot water and water steam device and moisturizing.
Exhaust heat recovering method: melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery.By calculating the output of furnace of calcium carbide, and the quantity of calcium carbide carrier loader, the heat recovering process of rational arrangement calcium carbide, make furnace of calcium carbide in the production process of being interrupted, calcium carbide cooling residual heat reclaims room to carry out all the time, and the process that exhaust heat recovery power generation utilizes would not be interrupted because of the interruption productivity of furnace of calcium carbide, achieve the continuation of generating; Whole melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery; Concrete steps are:
(1) the melting calcium carbide processed is contained in calcium carbide carrier loader, by the calculating of host computer and PLC, distinguish its position needing the waste heat recovery room delivered to, then host computer and PLC control the closedown of the two ends valve of this waste heat recovery room and enter the unlatching of gate, allow calcium carbide carrier loader enter electricity smoothly; Absorb in heat prepares out waste heat recovery room at calcium carbide carrier loader, needed host computer and PLC to carry out controlling the valve closing at two ends, waste heat recovery room equally, open the gate of waste heat recovery room, allow calcium carbide carrier loader be left by track smoothly;
(2) under cold wind circulates in the effect of blower fan, first by wall type heat pipe, carry out preheating in each waste heat recovery room, then carry out heat exchange through over-heat-exchanger and hot water cyclesystem, hot water becomes steam through heating, and supply gas turbine generates electricity;
(3) steam after generating through condensation process, then sends back to water circulating pump, carries out circulation next time; Before water circulating pump, add moisturizing valve, carry out moisturizing when the water yield is inadequate;
(4) cool cycles wind carries out exchange heat through over-heat-exchanger and steam circulation, and then through deduster, the impurity removed in wind returns blower fan.Air quantity is housed before deduster and supplements valve, can its supplementary air quantity be passed through when wind-force is not enough;
(5) switching magnetic-resistance intelligence governor system control cold wind air circulation is adopted, by the monitoring of each position cool cycles air quantity, the rotating speed of adjustment motor in time, thus the size of control air quantity is to meet the requirement of cool cycles wind;
(6) according to the power generation requirements of steam turbine, adopt switching magnetic-resistance intelligence governor system control hot water and steam flow, make waste heat recovery process can produce the steam met the demands;
(7) host computer and PLC control system complete monitoring whole melting calcium carbide exhaust heat recovery power generation process, by gathering the sensor signal of each position, obtain the state of whole production process, obtain by the actuator such as valve, blower fan, water pump adjusting each position the productive target met the demands.
Below in conjunction with accompanying drawing, explanation is explained in detail to structure of the present invention.
Embodiment 1: as the schematic diagram of Fig. 1 waste heat recovery generating system designed by the present invention, it mainly comprises melting calcium carbide sealing waste heat recovery room, cool cycles wind apparatus, hot water and steam circulating device, these parts of steam turbine generating device composition.
The melting calcium carbide processed is contained in calcium carbide carrier loader, is transported to sealing waste heat recovery indoor through track.As shown in Figure 2, be its side cut away view, closed chamber two is hermatic door in sealing waste heat recovery room, and one for import one is for exporting, beneath is track, the turnover of melting calcium carbide carrier loader of can being practised easily by traction.Sealing waste heat recovery room front and back and visit wall type heat exchanger be housed, can heat be absorbed, by cold water waste heat, improve the utilization rate of heat.
Fig. 3 is the Facad structure figure of sealing waste heat recovery room, and its length can be arranged according to the size in output, place, can cool for multiple calcium carbide carrier loader.Import and the outlet of cooling air are housed respectively at two of sealing waste heat recovery room, carry out exchange heat fully for cooling air.
In Fig. 1, whole melting calcium carbide waste heat recovery generating device adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery.By calculating the output of furnace of calcium carbide, and the quantity of calcium carbide carrier loader, the heat recovering process of rational arrangement calcium carbide, make furnace of calcium carbide in the production process of being interrupted, calcium carbide cooling residual heat reclaims room to be begun to carry out, and the process that exhaust heat recovery power generation utilizes would not be interrupted because of the interruption productivity of furnace of calcium carbide, achieve the continuation of generating.
In Fig. 1, cool cycles wind apparatus provides cooling air by blower fan to sealing waste heat recovery room.The both sides of each sealing waste heat recovery room are provided with control valve, carry out loading calcium carbide carrier loader or remove calcium carbide carrier loader, opening and closing and can control whole sealing waste heat recovery room access device or disconnection by control valve in sealing waste heat recovery room.At loading calcium carbide carrier loader or when removing calcium carbide carrier loader, by sealing the control of waste heat recovery room, the loss of air quantity can be reduced, maintaining the stable of heat.Cool cycles wind carries out exchange heat through over-heat-exchanger and steam circulating device, and then through deduster, the impurity removed in wind returns blower fan.Also be connected to air quantity at deduster and supplement valve, the compensation of loss air quantity can be provided.
In Fig. 1, first hot water and steam circulating device pressurize, by wall type heat pipe through water circulating pump, preheating is carried out in each waste heat recovery room, then carry out heat exchange through over-heat-exchanger and heated air circulation device, hot water becomes steam through heating, then supplies gas turbine and generates electricity; Steam after generating sends back to water circulating pump again through condensation process, carries out circulation next time; Before water circulating pump, add moisturizing valve, carry out moisturizing when the water yield is inadequate.
Fig. 4 gives the PLC control chart of melting calcium carbide waste heat recovery generating system.PLC adopts Siemens S7-300 series, is divided into input detection unit, output control unit and ipc monitor unit.Input signal comprises the current temperature in each heat recovery room, pressure and other parameters, the air quantity of the various piece of hot air circulating system, pressure, temperature, the various piece pressure of cold water and steam circulation, temperature and flow, the state of each valve, the state of circulating fan, the state of water circulating pump, generation load situation etc.; Output signal comprises the switch control rule of the control valve at each two ends, heat recovery room, and the rotating speed of circulating fan controls, and the rotating speed of water circulating pump controls, and the control etc. of air valve is mended in the control of moisturizing valve.PLC, according to the state of input signal, carries out analyzing the control system judging to draw and need to regulate, and exports to governor motion.
Claims (3)
1. a uninterrupted furnace of calcium carbide waste heat recovery control system, is characterized in that: this residual neat recovering system comprises waste heat recovery room, heat pipe exchanger, cool cycles wind apparatus, hot water and steam circulating device and PLC automaton; Waste heat recovery room, heat pipe exchanger, cool cycles wind apparatus and hot water and steam circulating device are connected with PLC automaton; Two, waste heat recovery room is hermatic door, and there are the air inlet of cooling air, an air outlet having a cooling air in one, upper end, waste heat recovery room, and the air port at the two ends of waste heat recovery room is equipped with control valve; Waste heat recovery has track bottom indoor, waste heat recovery room front and back and visit wall type heat pipe exchanger be housed, heat pipe exchanger is positioned at the centre position of cool cycles wind apparatus; The cold water of hot water and steam circulating device is by being connected with heat pipe exchanger to the heat pipe of water circulating pump with waste heat recovery room wall, and cooling water is connected with water circulating pump by water compensating valve.
2. uninterrupted furnace of calcium carbide waste heat recovery control system according to claim 1, is characterized in that: described PLC automaton comprise PLC and host computer, host computer is industrial computer, and the output of PLC is connected with the input of host computer; PLC comprises input detection unit, output control unit and ipc monitor unit; Input detects list and is connected with input signal, described input signal comprises the current temperature in each heat recovery room, pressure parameter, the air quantity of the various piece of hot air circulating system, pressure, temperature, the various piece pressure of cold water and steam circulation, temperature and flow, the state of each valve, the state of circulating fan, the state of water circulating pump and generation load situation; Described output signal comprises the switch control rule of the control valve at each two ends, heat recovery room, and the rotating speed of circulating fan controls, and the rotating speed of water circulating pump controls, and the control of air valve is mended in the control of moisturizing valve; Described ipc monitor unit, according to the state of PLC input signal, carries out analyzing the control system judging to draw and need to regulate, and exports to governor motion.
3. the method for uninterrupted furnace of calcium carbide waste heat recovery control system according to claim 1, is characterised in that: exhaust heat recovering method: melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery; By calculating the output of furnace of calcium carbide, and the quantity of calcium carbide carrier loader, the heat recovering process of rational arrangement calcium carbide, make furnace of calcium carbide in the production process of being interrupted, calcium carbide cooling residual heat reclaims room to carry out all the time, and the process that exhaust heat recovery power generation utilizes would not be interrupted because of the interruption productivity of furnace of calcium carbide, achieve the continuation of generating; Whole melting calcium carbide waste heat recovery generating system adopts the mode of multiple sealing waste heat recovery room parallel connection to carry out heat recovery, and concrete steps are:
(1) the melting calcium carbide processed is contained in calcium carbide carrier loader, by the calculating of host computer and PLC, distinguish its position needing the waste heat recovery room delivered to, then host computer and PLC control the closedown of the two ends valve of this waste heat recovery room and enter the unlatching of gate, allow calcium carbide carrier loader enter electricity smoothly; Absorb in heat prepares out waste heat recovery room at calcium carbide carrier loader, needed host computer and PLC to carry out controlling the valve closing at two ends, waste heat recovery room equally, open the gate of waste heat recovery room, allow calcium carbide carrier loader be left by track smoothly;
(2) under cold wind circulates in the effect of blower fan, first by wall type heat pipe, carry out preheating in each waste heat recovery room, then carry out heat exchange through over-heat-exchanger and hot water cyclesystem, hot water becomes steam through heating, and supply gas turbine generates electricity;
(3) steam after generating through condensation process, then sends back to water circulating pump, carries out circulation next time; Before water circulating pump, add moisturizing valve, carry out moisturizing when the water yield is inadequate;
(4) cool cycles wind carries out exchange heat through over-heat-exchanger and steam circulation, and then through deduster, the impurity removed in wind returns blower fan; Air quantity is housed before deduster and supplements valve, can its supplementary air quantity be passed through when wind-force is not enough;
(5) switching magnetic-resistance intelligence governor system control cold wind air circulation is adopted, by the monitoring of each position cool cycles air quantity, the rotating speed of adjustment motor in time, thus the size of control air quantity is to meet the requirement of cool cycles wind;
(6) according to the power generation requirements of steam turbine, adopt switching magnetic-resistance intelligence governor system control hot water and steam flow, make waste heat recovery process can produce the steam met the demands;
(7) host computer and PLC control system complete monitoring whole melting calcium carbide exhaust heat recovery power generation process, by gathering the sensor signal of each position, obtain the state of whole production process, by adjusting the valve of each position, blower fan, water pump actuator obtain the productive target met the demands.
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| CN106241809A (en) * | 2016-08-31 | 2016-12-21 | 浙江嵘润机械有限公司 | Carbide produces complete set of equipments |
| CN109579555A (en) * | 2019-01-25 | 2019-04-05 | 山东莱克工程设计有限公司 | It is a kind of to recycle residual heat from kiln furnace device and method using circulation air |
| CN111895796A (en) * | 2020-07-06 | 2020-11-06 | 西安交通大学 | Power generation system and method using discharged calcium carbide as heat source |
| CN112039125A (en) * | 2020-11-03 | 2020-12-04 | 成都署信科技有限公司 | ORC system based on switched reluctance motor and control method |
| CN113146817A (en) * | 2021-03-04 | 2021-07-23 | 贵州迪森元能源科技有限公司 | Automatic control system for residual gas utilization |
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| CN104291336A (en) * | 2014-09-24 | 2015-01-21 | 北京天达京丰技术开发有限公司 | Molten calcium carbide power generation system |
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| CN111895796A (en) * | 2020-07-06 | 2020-11-06 | 西安交通大学 | Power generation system and method using discharged calcium carbide as heat source |
| CN112039125A (en) * | 2020-11-03 | 2020-12-04 | 成都署信科技有限公司 | ORC system based on switched reluctance motor and control method |
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