CN202705304U - Test coke oven carbonization chamber pressure regulating system - Google Patents
Test coke oven carbonization chamber pressure regulating system Download PDFInfo
- Publication number
- CN202705304U CN202705304U CN 201220271380 CN201220271380U CN202705304U CN 202705304 U CN202705304 U CN 202705304U CN 201220271380 CN201220271380 CN 201220271380 CN 201220271380 U CN201220271380 U CN 201220271380U CN 202705304 U CN202705304 U CN 202705304U
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- coke oven
- turning plate
- coking chamber
- plate valve
- pressure regulating
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Abstract
The utility model relates to a test coke oven carbonization chamber pressure regulating system which comprises a gas pressure detection device, a control system, an electric executing mechanism and a flap valve, wherein the gas pressure detection device is arranged at a rising pipe section above a carbonization chamber; the flap valve is arranged in a smoke exhaust pipe and connected with the electric executing mechanism through a connecting shaft; and the electric executing mechanism is connected with the control system. Compared with the prior art, the test coke oven carbonization chamber pressure regulating system has the advantages that the stability of the coking characteristic is guaranteed from a key coking process of the test coke oven, and the parallelism and the comparison property of data after coking of the test coke oven are improved; the system has the characteristics of reasonable design, simplicity and convenience in operation and dust removal function, and the working efficiency is improved; the pressure of the carbonization chamber of a hearth can be automatically regulated in a closed loop mode, so that the infiltration of outside air is prevented, and deterioration and coke burning loss in a coking process are avoided; and the flap valve can be manually controlled to be stay at any position so as to realize the flexible control of artificial assist. According to the test coke oven carbonization chamber pressure regulating system, the pressure value of the hearth carbonization chamber can be displayed in real time and converted into a display unit of mmH2O, which is more suitable for identification, and the working intensity is lightened.
Description
Technical field
The utility model relates to a kind of system and device of regulating for formed coking chamber internal pressure variation in process of coking, particularly a kind of testing coke oven coking chamber pressure regulating system.
Background technology
The in recent years extensive application of testing coke oven provides good approach for the coke making and coal blending scheme of determining economical rationality, its principle of testing coke oven is to utilize a single hole coking chamber coal sample to be carried out the process of high temperature carbonization, also be process of coking, the moisture that produces in coking and fugitive constituent etc. are discharged by the smoke exhaust pipe that is arranged on the coking chamber top.
Requirement according to industrialized production, the coke furnace carbonization chamber top generally will guarantee pressure-fired power in the burner hearth, avoid the scaling loss of coke, and applied testing coke oven all discharges as producing waste gas in the process of coking with the form that the coking chamber top arranges a smoke exhaust pipe in the market, but this smoke exhaust pipe is owing to communicate with atmosphere, so testing coke oven coking chamber internal gas pressure is basic identical with outside atmospheric pressure, owing to the structural reason of testing coke oven must produce to a certain degree leakage when the condition of high temperature, and smoke exhaust pipe is because self chimneyeffect becomes the leakage discharge outlet, heat is by smoke exhaust pipe atural beat Dynamical Cause in addition, more formed powerful negative pressure, this is so that coking chamber constantly is subject to the threat of infiltration of external air, serious situation can make the coking chamber Coking Process degenerate even the situation of coke burning occurs, and testing coke oven burner hearth capacity is little, and always there is probabilistic fluctuation in air pressure inside power.
Pressure in the testing coke oven coking chamber is regulated and is just relied on artificial experiential judgement to operate at present, and the automatic pressure draught control system is not set.Experience artificially and feel to operate the shutoff smoke exhaust pipe and control coking chamber pressure and can't reach actual requirement, and the testing coke oven sample quantities of coalingging is few, external change is caused the deviation of data very responsive, and Artificial Control coking chamber pressure mode has not only increased workload, and slightly there is carelessness will cause sample data to change, has a strong impact on testing coke oven the reliability of the data and collimation.
Therefore, develop a kind of automation system that can control in real time and regulate gaseous tension in the coking chamber, but the gaseous tension in the Real Time Monitoring coking chamber burner hearth, and can realize regulating in real time the interior gaseous tension of burner hearth in set(ting)value, effectively avoid the scaling loss of coke, alleviate labor strength.
The utility model content
The purpose of this utility model is to provide a kind of testing coke oven coking chamber pressure regulating system, but the gaseous tension in the Real Time Monitoring coking chamber burner hearth, regulate in real time the interior gaseous tension of burner hearth in set(ting)value, can effectively avoid the scaling loss of coke, alleviate labor strength.Guarantee the stable of coking characteristic from the coke making process of testing coke oven key, improved the collimation of data after the testing coke oven coking, but comparative.
For achieving the above object, the utility model is realized by the following technical solutions:
A kind of testing coke oven coking chamber pressure regulating system, comprise gas pressure detection unit, Controlling System, electric operator, turning plate valve, described gas pressure detection unit is arranged at coking chamber top rising pipeline section, turning plate valve is arranged in the smoke exhaust pipe, turning plate valve is connected with electric operator by coupling shaft, and electric operator is connected with Controlling System;
Described gas pressure detection unit detects the gaseous tension signal of coking chamber top rising pipeline section, and the gaseous tension signal is sent into Controlling System; After described Controlling System obtains pressure signal process PID computing, if gaseous tension then drives turning plate valve less than set(ting)value in front furnace, the turning plate valve open amount is reduced, Controlling System then drives turning plate valve and makes the open amount increase when gaseous tension is higher than set(ting)value in the burner hearth, remains on set(ting)value to guarantee coking chamber internal pressure numerical value.
Described gas pressure detection unit is pressure transmitter or water column type proofing unit.
The type of drive of described electric operator is that rotary driving or linear motion type drive.
Described turning plate valve is rotary turning plate valve or board plug type turning plate valve.
Described turning plate valve is arranged on the inside of outdoor section of smoke exhaust pipe ascent stage or smoke exhaust pipe horizontal section or smoke exhaust pipe.
The control mode of described Controlling System is instrument control or computer and PLC control.
Described Controlling System also has open loop control function, and the staff can excise automated closed-loop control according to actual needs, and the aperture size of directly manual given turning plate valve realizes Artificial Control coking chamber pressure.
Described Controlling System can be integrated in the Controlling System of testing coke oven, as when carrying out the shove charge of coal sample, all opens turning plate valve; After fire door was closed, the trigger pressure regulation system entered coking pressure-controlling program automatically; When coking finishes to come out of the stove, all open again flap valve.
Compared with prior art, the beneficial effects of the utility model are:
1, native system has the characteristics of reasonable in design, easy and simple to handle, dust discharging function, has improved working efficiency.
2, native system can be regulated burner hearth coking chamber pressure by automated closed-loop, has prevented the infiltration of extraneous air, has avoided Coking Process to degenerate and coke burning.
3, native system has open loop control function, can manually control turning plate valve and rest on the optional position, realizes the flexible control of human assistance.
4, native system shows the pressure value of burner hearth coking chamber in real time, can be exchanged into simultaneously mmH
2The unit of display of O, identification preferably has alleviated working strength.
5, the electric operator of native system itself possesses the position feedback function, thereby can judge turning plate valve present position situation of any moment, judges more accurately burner hearth coking chamber pressure condition.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
1-body of heater, 2-pressure detection mouth and outdoor section 9-Controlling System of pressure detector 3-smoke exhaust pipe ascent stage 4-smoke exhaust pipe horizontal section 5-turning plate valve 6-coupling shaft, 7-electric operator, 8-smoke exhaust pipe
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further specified:
As shown in Figure 1, a kind of testing coke oven coking chamber pressure regulating system, comprise gas pressure detection unit 2, Controlling System 9, electric operator 7, turning plate valve 5, described gas pressure detection unit 2 is arranged at body of heater 1 coking chamber top rising pipeline section, turning plate valve 5 is arranged in the smoke exhaust pipe, turning plate valve 5 is connected with electric operator 7 by coupling shaft 6, and electric operator 7 is connected with Controlling System 9.Described gas pressure detection unit 2 can be pressure transmitter or water column type proofing unit; The mode that described electric operator 7 drives turning plate valve 5 can be rotary driving or linear motion type drives; Described turning plate valve 5 can be rotary turning plate valve or board plug type turning plate valve, and turning plate valve 5 can be arranged on the inside of outdoor section 8 of smoke exhaust pipe ascent stage 3 or smoke exhaust pipe horizontal section 4 or smoke exhaust pipe; The control mode of described Controlling System is instrument control or computer and PLC control.
The utility model adopts the gas micro-pressure sensor setting in coking chamber top rising pipeline section, and the gaseous tension signal that detects is sent into Controlling System (also can be control instruments).Also can be outdoor section 8 of smoke exhaust pipe ascent stage 3 or smoke exhaust pipe at the smoke exhaust pipe horizontal section 4(of testing coke oven) turning plate valve 5 is installed, this turning plate valve 5 is by electric operator 7(or other electric machinery rotating mechanisms) directly driving.After Controlling System 9 obtains gaseous tension signal process PID computing, if current pressure in the burner hearth less than set(ting)value, then drives turning plate valves 5 by electric operator 7, the turning plate valve open amount is reduced; When pressure in the burner hearth is higher than set(ting)value, Controlling System 9 is sent control signal to electric operator 7, electric operator 7 drives turning plate valve 5 increases driving turning plate valve 5 open amounts, keep the coking chamber internal pressure with this and remain on the setup pressure value, integral body has consisted of the pressure control system of a closed loop.Pressure signal is picked up by the special measurement hole that is arranged on the burner hearth top by micropressure sensor, this metering orifice is drawn by burner hearth coking chamber top, through being connected with micropressure sensor after the processing such as cooling, the electrical signal of micropressure sensor is sent into Controlling System, and Controlling System can be set coking chamber pressure-controlling target by man-machine interactive.The signal of Controlling System output can drive electric operator through after the conversion, so that can the interior turning plate valve of free adjustment smoke exhaust pipe.
Controlling System can be selected control instruments or the control modes such as computer and PLC, and Controlling System can be achieved as follows function:
1) function of the pressure in the adaptive closed loop adjustment burner hearth coking chamber;
2) standard-sized sheet dust discharging function in the time of can taking on stove according to time variable control;
3) can manually control turning plate valve and rest on the optional position, realize the flexible control of human assistance;
4) pressure value of burner hearth coking chamber shows in real time, is converted to simultaneously mmH
2The identification preferably of the unit of display of O;
5) electric operator itself possesses the position feedback function, thereby can judge turning plate valve present position situation of any moment.
Native system has open loop control function, can excise at any time automated closed-loop control on Controlling System, turning plate valve 5 is regulated at any angle even full open or close by manual operation.The staff can excise automated closed-loop control according to actual needs, the aperture of directly manual given valve size on Controlling System, thus realize Artificial Control coking chamber pressure.
Native system can be integrated in the Controlling System of testing coke oven simultaneously, more handiness function is set in program, such as when when carrying out the shove charge of coal sample, because furnace temperature is high, the coal sample initially contacts the flying dust that high temperature can produce moment surface combustion thing, can all open turning plate valve this moment, with atural beat suction these flying dusts discharged fast by smoke exhaust pipe.After fire door was closed, trigger pressure was regulated the coking pressure-controlling program that enters automatically.When coking finishes to come out of the stove owing to also can produce larger dust when the discharging of the coke, so the time also can automatically all open flap valve, improved operator's operating environment.
Above described only be ultimate principle of the present utility model, be not that the utility model is imposed any restrictions, everyly according to the utility model it is carried out equivalent variations and modification, all within the category of the art of this patent protection scheme.
Claims (7)
1. testing coke oven coking chamber pressure regulating system, it is characterized in that, comprise gas pressure detection unit, Controlling System, electric operator, turning plate valve, described gas pressure detection unit is arranged at coking chamber top rising pipeline section, be connected with Controlling System, turning plate valve is arranged in the smoke exhaust pipe, and turning plate valve is connected with electric operator by coupling shaft, and electric operator is connected with Controlling System.
2. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 is characterized in that, described gas pressure detection unit is pressure transmitter or water column type proofing unit.
3. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 and 2 is characterized in that, the type of drive of described electric operator is that rotary driving or linear motion type drive.
4. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 and 2 is characterized in that, described turning plate valve is rotary turning plate valve or board plug type turning plate valve.
5. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 and 2 is characterized in that, described turning plate valve is arranged on the inside of outdoor section of smoke exhaust pipe ascent stage or smoke exhaust pipe horizontal section or smoke exhaust pipe.
6. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 and 2 is characterized in that, the control mode of described Controlling System is instrument control or computer and PLC control.
7. a kind of testing coke oven coking chamber pressure regulating system according to claim 1 and 2 is characterized in that described Controlling System also has open loop control function, and the aperture size of artificial given turning plate valve realizes Artificial Control coking chamber pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271380 CN202705304U (en) | 2012-06-08 | 2012-06-08 | Test coke oven carbonization chamber pressure regulating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271380 CN202705304U (en) | 2012-06-08 | 2012-06-08 | Test coke oven carbonization chamber pressure regulating system |
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| Publication Number | Publication Date |
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| CN202705304U true CN202705304U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220271380 Expired - Lifetime CN202705304U (en) | 2012-06-08 | 2012-06-08 | Test coke oven carbonization chamber pressure regulating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289713A (en) * | 2013-06-10 | 2013-09-11 | 山西太钢不锈钢股份有限公司 | Coke furnace single-hole carbonization chamber pressure regulating method |
| CN108998051A (en) * | 2018-08-24 | 2018-12-14 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of control dirt control sulphur system of coke oven list gas collecting tube |
-
2012
- 2012-06-08 CN CN 201220271380 patent/CN202705304U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289713A (en) * | 2013-06-10 | 2013-09-11 | 山西太钢不锈钢股份有限公司 | Coke furnace single-hole carbonization chamber pressure regulating method |
| CN103289713B (en) * | 2013-06-10 | 2014-07-16 | 山西太钢不锈钢股份有限公司 | Coke furnace single-hole carbonization chamber pressure regulating method |
| CN108998051A (en) * | 2018-08-24 | 2018-12-14 | 普雷沃流体控制科技（芜湖）有限公司 | A kind of control dirt control sulphur system of coke oven list gas collecting tube |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |