CN204313639U - Charcoal element revolution bed calcining furnace process air control system - Google Patents
Charcoal element revolution bed calcining furnace process air control system Download PDFInfo
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- CN204313639U CN204313639U CN201420700731.2U CN201420700731U CN204313639U CN 204313639 U CN204313639 U CN 204313639U CN 201420700731 U CN201420700731 U CN 201420700731U CN 204313639 U CN204313639 U CN 204313639U
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- airduct
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a kind of control system, particularly relates to a kind of charcoal element revolution bed calcining furnace process air control system.Its structure is: high-temperature flue is communicated with smoke pipe for subsequent use with recuperator, recuperator is communicated with low temperature flue, high-temperature flue is provided with thermocouple, pressure sensor, oxygen analyser, the output of thermocouple, pressure sensor, oxygen analyser is connected with the PLC for controlling motor-driven valve, and PLC is connected with host computer; Second is communicated with high-temperature flue for airduct, first supplies the outlet air end of airduct to be communicated with low temperature flue with recuperator, smoke pipe for subsequent use respectively, first is provided with motor-driven valve for airduct and second on airduct, recuperator is communicated with hot blast exhaust duct, and the outlet air end of hot blast exhaust duct is communicated with burner.The utility model achieves the accurate control of process air, for charcoal element revolution bed calcining furnace can safely, stablize, environmental protection, high production capacity, high-quality calcined petroleum coke provide important guarantee.
Description
Technical field
The utility model relates to a kind of control system, particularly relates to a kind of charcoal element revolution bed calcining furnace process air control system.
Background technology
At present, the equipment of calcined petroleum coke has three kinds, is respectively pot type burner, rotary kiln and Rotary hearth calciner.Wherein Rotary hearth calciner calcined petroleum coke is a kind of new approach of calcining petroleum coke, and it has the advantages such as charcoal burn out rate is low, calcining casting yield is high, rational in infrastructure, production capacity is large.But in actual production, if process air unreasonable distribution, to Boiler pressure control inaccuracy, so combustion chamber fugitive constituent and burner fuel burn insufficient, will affect the control of furnace temperature, cause calcined coke Quality Down, and production capacity fluctuation is large; In flue fugitive constituent and remaining powdered carbon combustion insufficient, well can not carry out UTILIZATION OF VESIDUAL HEAT IN, produce excessive powdered carbon, cause the wasting of resources, contaminated environment etc.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of charcoal element revolution bed calcining furnace process air control system, object is the use of reasonable distribution process air, accurate control procedure air use amount, make fugitive constituent and remaining powdered carbon combustion in flue more abundant, carry out UTILIZATION OF VESIDUAL HEAT IN simultaneously, solve fugitive constituent and the air-polluting problem of powdered carbon.
For reaching above-mentioned purpose, the utility model is achieved through the following technical solutions:
Charcoal element revolution bed calcining furnace process air control system, it comprises host computer, PLC, flue, chimney, wherein flue is divided into high-temperature flue and low temperature flue, high-temperature flue is communicated with smoke pipe for subsequent use with recuperator, recuperator is communicated with low temperature flue, low temperature flue is communicated with smoke pipe for subsequent use with chimney, high-temperature flue is provided with thermocouple, pressure sensor, oxygen analyser, the output of thermocouple, pressure sensor, oxygen analyser is connected with the PLC for controlling motor-driven valve, and PLC is connected with host computer; Second is communicated with high-temperature flue for airduct, first supplies the outlet air end of airduct to be communicated with low temperature flue with recuperator respectively, first is provided with motor-driven valve for airduct and second on airduct, and recuperator is communicated with hot blast exhaust duct, and the outlet air end of hot blast exhaust duct is communicated with burner.
Second process blower fan is connected for airduct wind inlet end with above-mentioned second, and the second process blower fan is communicated with the second air inlet, is provided with the second filter and muffler between the second air inlet and the second process blower fan.
Above-mentioned second is formed for airduct for the Liang Ge branch of airduct by main feed pipe and outlet air end, and Liang Ge branch is communicated with rear portion with the anterior smoke inlet of high-temperature flue respectively for the outlet air end of airduct.
Above-mentioned flue for subsequent use is provided with electric control valve.
Above-mentioned first is formed for airduct for three branches of airduct by main feed pipe and outlet air end, one of them branch is communicated with recuperator for airduct, two other branch is communicated with respectively with in the middle part of smoke pipe for subsequent use with in the middle part of low temperature flue for the outlet air end of airduct, the middle part of low temperature flue is provided with electric control valve, first process blower fan is connected for airduct wind inlet end with first, first process blower fan is communicated with the first air inlet, is provided with the first filter and muffler between the first air inlet and the first process blower fan.
Above-mentioned first for airduct and second for the main feed pipe of airduct being provided with magnetic valve, electric control valve and in order to improve the hand-operated valve that security is arranged, first is provided with magnetic valve, electric control valve and check valve for the branch of airduct on airduct for airduct and second.
Above-mentioned hot blast exhaust duct is made up of main hot blast exhaust duct and three branch's hot blast exhaust ducts, the outlet air end of one of them branch's hot blast exhaust duct is communicated with the air intake vent of burner, the outlet air end of another branch's hot blast exhaust duct is communicated with wicket top with wicket sidewall, and the 3rd branch's hot blast exhaust duct is the hot blast manifold for subsequent use directly entering air.
Above-mentioned hot blast manifold for subsequent use is provided with hand-operated valve, magnetic valve and check valve.
Owing to adopting technique scheme, the utility model tool is had the following advantages and effect:
The utility model achieves the accurate control of charcoal element revolution bed calcining furnace process air, for charcoal element revolution bed calcining furnace can safely, stablize, environmental protection, high production capacity, high-quality calcined petroleum coke provide important guarantee.The utility model achieves and makes fugitive constituent and remaining powdered carbon combustion in flue more abundant, solves fugitive constituent and the air-polluting problem of powdered carbon, has carried out UTILIZATION OF VESIDUAL HEAT IN simultaneously, reached the technique effect of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, 1, host computer, 2, PLC, 3, thermocouple, 4, pressure sensor, 5, oxygen analyser, 6, smoke inlet, 7, second process blower fan, 8, second filter and muffler, 9, second air inlet, 10, wicket sidewall, 11, wicket top, 12, burner, 13, first process blower fan, 14, first filter and muffler, 15, first air inlet, 16, high-temperature flue, 17, smoke pipe for subsequent use, 18, recuperator, 19, low temperature flue, 20, chimney, 21, hot blast exhaust duct, 22, second for airduct, 23, first for airduct, 24, hot blast manifold for subsequent use.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail.Following examples are only several specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and all changes utilizing this design the utility model to be carried out to unsubstantiality, all should within the utility model protection domain.
As shown in Figure 1, the concrete structure of the utility model charcoal element revolution bed calcining furnace process air control system is as follows: it comprises host computer, PLC, flue, chimney 20, wherein flue is divided into high-temperature flue 16 and low temperature flue 19, high-temperature flue 16 is communicated with recuperator 18, recuperator 18 is communicated with low temperature flue 19, low temperature flue 19 is communicated with chimney 20, in order to improve security, be communicated with by flue 17 for subsequent use with low temperature flue 19 at high-temperature flue 16, flue 17 for subsequent use is provided with electric control valve, high-temperature flue 16 is provided with thermocouple 3, pressure sensor 4, oxygen analyser 5, thermocouple 3, pressure sensor 4, the output of oxygen analyser 5 is connected with the PLC 2 for Controlling solenoid valve and electric control valve, PLC 2 host computer 1 connects, second is communicated with high-temperature flue 16 for airduct 22, second process blower fan 7 is connected for airduct 22 wind inlet end with second, second process blower fan 7 is communicated with the second air inlet 9, the second filter and muffler 8 is provided with between second air inlet 9 and the second process blower fan 7, in order to improve air feeding efficiency, second is formed for airduct for the Liang Ge branch of airduct 22 by main feed pipe and outlet air end, and Liang Ge branch is communicated with rear portion with the anterior smoke inlet 6 of high-temperature flue 16 respectively for the outlet air end of airduct, first for airduct 23 outlet air end respectively with recuperator 18, smoke pipe 17 for subsequent use is communicated with low temperature flue 19, in order to improve air feeding efficiency, first is formed for airduct for three branches of airduct 23 by main feed pipe and outlet air end, one of them branch is communicated with recuperator 18 for airduct, two other branch is communicated with the middle part of smoke pipe 17 for subsequent use with the middle part of low temperature flue 19 respectively for the outlet air end of airduct, the middle part of low temperature flue 19 and smoke pipe for subsequent use 17 is all provided with electric control valve, first process blower fan 13 is connected for airduct 23 wind inlet end with first, first process blower fan 13 is communicated with the first air inlet 15, the first filter and muffler 14 is provided with between first air inlet 15 and the first process blower fan 13, above-mentioned first for airduct 23 and second for the main feed pipe of airduct 22 being provided with magnetic valve, electric control valve and in order to improve the hand-operated valve that security is arranged, first is provided with magnetic valve, electric control valve and check valve for the branch of airduct 22 on airduct for airduct 23 and second, recuperator 18 is communicated with hot blast exhaust duct 21, the outlet air end of hot blast exhaust duct 21 is communicated with burner 12, in order to raise the efficiency, hot blast exhaust duct 21 is made up of main hot blast exhaust duct and three branch's hot blast exhaust ducts, the outlet air end of one of them branch's hot blast exhaust duct is communicated with the air intake vent of burner 12, the outlet air end of another branch's hot blast exhaust duct is communicated with wicket top 11 with wicket sidewall 10, in order to improve security, 3rd branch's hot blast exhaust duct is the hot blast manifold for subsequent use 24 directly entering air, hot blast manifold 24 for subsequent use is provided with hand-operated valve, magnetic valve and check valve.
Native system is divided into two-way air feed and road exhaust.
First via supply air line is by a process blower fan air feed, be divided into three Ge Zhi roads, wherein two branch roads are respectively used to purging, the cooling use of low temperature flue and smoke pipe motor regulated valve for subsequent use, a remaining road is communicated with recuperator, through recuperator by air heat, there is provided high temperature excess air to combustion chamber and burner, avoid Cryogenic air to affect furnace temperature, ensure temperature stabilization in calcining furnace.
Second road supply air line is by another process blower fan air feed, be divided into two branch roads, the centre position of the inlet end and horizontal flue that are respectively vertical flue provides superfluous oxygen, the effect of this road gas ensures remaining fugitive constituent and remaining powdered carbon Thorough combustion in flue, while providing thermal source for recuperator, also reach the object of energy-conserving and environment-protective.
3rd tunnel is the exhaust of revolution bed incinerator flue, waste gas is first by recuperator preheating cold air, cold air after preheating is divided into three hot blast branch roads, combustion chamber is entered by wicket sidewall, wicket top by one of them branch road, the process air of preheating plays the effect of oxygen content in combustion-supporting and balance burner hearth, the object of air preheat is the impact avoiding temperature in burner hearth to be subject to cold air, and then affect the quality of calcined coke, another branch road enters burner, and the burning for burner fuel provides enough oxygen.In order to improve security, separately establish a hot blast manifold for subsequent use directly entering air; Now lower the temperature through recuperative high-temp waste gas, then enter chimney through low temperature flue and be discharged in air.
The cold air entering flue will reduce the temperature entering Waste Heat Recovery partial fume from calcination process, process air is by being arranged on recuperator on flue and waste heat flue gas exchanges, not only can warm air, economize energy, flue-gas temperature in flue can also be reduced and be convenient to follow-up dedusting environment friendly (flue-gas temperature is by the highest 1550 DEG C near about 200 DEG C), the accurate control of revolution bed flue gas Road air calculates based on following 2, the waste gas of an online oxygen analyser to this air intake downstream, road carries out sampling analysis, the superfluous oxygen (being no more than 1%) of trace should be kept in the offgas, to ensure that all superfluous fugitive constituents and powdered carbon are burnouted, analysis result in waste gas is sent on host computer, the best oxygen content of waste gas will set in host computer, want it is considered that enter the EGT of WHRS.EGT is transmitted with a thermocouple, if temperature has exceeded the safe temperature of reclaimer or refractory material, the aperture of electrically operated valve is then controlled accordingly according to the result of calculation of PLC, strengthen process air amount and carry out necessary cooling, to ensure the safety of equipment and personnel, every bar process air pipeline arranges manually-operated gate all accordingly, magnetic valve, check valve or motor regulated valve, long-range/local control can be carried out respectively, local can carry out adjustment and the switch control rule of air capacity, also can long-rangely turn off, the most important thing is in furnace wall, economizer bank, the key positions such as flue arrange thermocouple and pressure sensor, real-time temperature and pressure data are carried out data analysis by adding to PLC after mould-number conversion by sensor, host computer compares according to the result of calculation of PLC and setting value, and then the aperture controlling related remote electrically operated valve carrys out the use amount of control procedure air accurately, two process blower fans are connected with host computer by frequency converter, the total blast volume of blower fan carries out electrodeless regulable control according to the result of calculation of host computer, thus total process air amount can be controlled accurately, give security for each branch air path can effectively work, the accurate control of process air is that charcoal element revolution bed calcining furnace can safety, stable, environmental protection, high production capacity, high-quality calcined petroleum coke provides important guarantee.Above-mentioned host computer and PLC adopt existing conventional system, need not research and develop separately and can realize; Host computer and PLC brand are that Chinese Siemens Company produces.
Claims (8)
1. charcoal element revolution bed calcining furnace process air control system, it comprises host computer, PLC, flue, chimney, it is characterized in that flue is divided into high-temperature flue (16) and low temperature flue (19), high-temperature flue (16) is communicated with smoke pipe for subsequent use (17) with recuperator (18), recuperator (18) is communicated with low temperature flue (19), low temperature flue (19) is communicated with smoke pipe for subsequent use (17) with chimney (20), high-temperature flue (16) is provided with thermocouple (3), pressure sensor (4), oxygen analyser (5), thermocouple (3), pressure sensor (4), the output of oxygen analyser (5) is connected with the PLC (2) for controlling motor-driven valve, PLC (2) is connected with host computer (1), second is communicated with high-temperature flue (16) for airduct (22), first supplies the outlet air end of airduct (23) to be communicated with low temperature flue (19) with recuperator (18) respectively, first is provided with motor-driven valve for airduct (23) and second on airduct (22), recuperator (18) is communicated with hot blast exhaust duct (21), and the outlet air end of hot blast exhaust duct (21) is communicated with burner (12).
2. charcoal element revolution bed calcining furnace process air control system according to claim 1, it is characterized in that the second process blower fan (7) is connected for airduct (22) wind inlet end with second, second process blower fan (7) is communicated with the second air inlet (9), is provided with the second filter and muffler (8) between the second air inlet (9) and the second process blower fan (7).
3. charcoal element revolution bed calcining furnace process air control system according to claim 2, it is characterized in that the second described confession airduct (22) is made up of for airduct the Liang Ge branch of main feed pipe and outlet air end, Liang Ge branch is communicated with rear portion with the anterior smoke inlet (6) of high-temperature flue (16) respectively for the outlet air end of airduct.
4. charcoal element revolution bed calcining furnace process air control system according to claim 2, is characterized in that described flue for subsequent use (17) is provided with electric control valve.
5. charcoal element revolution bed calcining furnace process air control system according to claim 1, it is characterized in that the first described confession airduct (23) is made up of for airduct three branches of main feed pipe and outlet air end, one of them branch is communicated with recuperator (18) for airduct, two other branch is communicated with the middle part of smoke pipe for subsequent use (17) with the middle part of low temperature flue (19) respectively for the outlet air end of airduct, the middle part of low temperature flue (19) is provided with electric control valve, first process blower fan (13) is connected for airduct (23) wind inlet end with first, first process blower fan (13) is communicated with the first air inlet (15), the first filter and muffler (14) is provided with between first air inlet (15) and the first process blower fan (13).
6. the charcoal element revolution bed calcining furnace process air control system according to claim 1,2,3 or 5, it is characterized in that described first for the main feed pipe of airduct (23) and second for airduct (22) being provided with magnetic valve, electric control valve and in order to improve the hand-operated valve that security is arranged, first supplies the branch of airduct (22) to supply airduct is provided with magnetic valve, electric control valve and check valve for airduct (23) and second.
7. charcoal element revolution bed calcining furnace process air control system according to claim 1, it is characterized in that described hot blast exhaust duct (21) is made up of main hot blast exhaust duct and three branch's hot blast exhaust ducts, the outlet air end of one of them branch's hot blast exhaust duct is communicated with the air intake vent of burner (12), the outlet air end of another branch's hot blast exhaust duct is communicated with wicket top (11) with wicket sidewall (10), and the 3rd branch's hot blast exhaust duct is the hot blast manifold for subsequent use (24) directly entering air.
8. charcoal element revolution bed calcining furnace process air control system according to claim 7, is characterized in that described hot blast manifold for subsequent use (24) is provided with hand-operated valve, magnetic valve and check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700731.2U CN204313639U (en) | 2014-11-21 | 2014-11-21 | Charcoal element revolution bed calcining furnace process air control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700731.2U CN204313639U (en) | 2014-11-21 | 2014-11-21 | Charcoal element revolution bed calcining furnace process air control system |
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| CN204313639U true CN204313639U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700731.2U Withdrawn - After Issue CN204313639U (en) | 2014-11-21 | 2014-11-21 | Charcoal element revolution bed calcining furnace process air control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390453A (en) * | 2014-11-21 | 2015-03-04 | 沈阳创联炉窑技术有限公司 | Process air control system of carbon rotary hearth calciner |
-
2014
- 2014-11-21 CN CN201420700731.2U patent/CN204313639U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390453A (en) * | 2014-11-21 | 2015-03-04 | 沈阳创联炉窑技术有限公司 | Process air control system of carbon rotary hearth calciner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |