CN203159531U - System for controlling air introduction amount of dry quenching furnace - Google Patents
System for controlling air introduction amount of dry quenching furnace Download PDFInfo
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- CN203159531U CN203159531U CN 201320121864 CN201320121864U CN203159531U CN 203159531 U CN203159531 U CN 203159531U CN 201320121864 CN201320121864 CN 201320121864 CN 201320121864 U CN201320121864 U CN 201320121864U CN 203159531 U CN203159531 U CN 203159531U
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Abstract
The utility model provides a system for controlling air introduction amount of a dry quenching furnace. The system comprises an air introduction tube, a throttling device, a differential pressure transmitter, a flow regulating valve and a control unit, wherein the throttling device is arranged on the air introduction tube so as to mark the flow of air flowing through the throttling device; the differential pressure transmitter respectively collects the upstream and downstream air pressure difference of the throttling device, converts the air pressure difference into a differential pressure signal, and sends the differential pressure signal to the control unit; the control unit carries out calculation based on the differential pressure signal to obtain the measured flow value of air introduction and sends a control signal to the flow regulating valve according to the measured flow value; and the flow regulating valve is arranged on the air introduction tube and regulates the flow value output by the air introduction tube according to the control signal. The system for controlling the air introduction amount of the dry quenching furnace can increase the degree of accuracy of the air introduction amount of the dry quenching furnace, further can increase the stability and the safety of the dry quenching furnace, and can improve the quality of coke.
Description
Technical field
The utility model belongs to the coking technology field, is specifically related to a kind of for the dried system of putting out the air import volume of stove of control.
Background technology
The dried stove that puts out is one of major equipment of dry method cooling coke, and it is cooled to red Jiao of 1000 ℃～1050 ℃ below 200 ℃ and discharges by feeding cooling gas.As shown in Figure 1, be the dried structure diagram that puts out stove, the dried stove that puts out is divided into the section of prestoring 10, chute district 30 and cooling section 40 from top to bottom.Wherein, the bottom of cooling section 40 is provided with inlet mouth 50, and is connected with the air feeder (not shown) of bottom setting, and the recycle gas that is used for cooling transfers in the cooling section 40 from inlet mouth 50, and in cooling section 40, carry out heat exchange with red Jiao, the cooled red burnt cooling section 40 of discharging; The section of prestoring 10 is used for receiving red Jiao who packs into indirectly, red Jiao that discharge compensation cooling section cooling back, be surrounded with annular air channel 20 in the periphery of the section of prestoring 10, annular air channel 20 is provided with air entrance hole 60, air entrance hole 60 is for an amount of air of 20 interior importings to the circular channel that is connected with the extraneous air gatherer, make the combustiblecomponents burning by gas compositions such as hydrogen, carbon monoxide in the cooling gas, thereby play the effect of regulating the combustiblecomponents content in the cooling gas; Chute district 30 is between the section of prestoring 10 and cooling section 40, and the recycle gas that is used for cooling absorbs red Jiao's heat afterwards through chute district 30 and annular air channel 20 discharges.
In actual applications, the dried air import volume that puts out stove is one of the important factor that determines security, stability and the energy saving of extinguishing technique, and the air import volume is too high, then can increase the burn out rate of coke, causes running cost to increase; The air import volume is low excessively, then can make the combustiblecomponents burning in the cooling gas insufficient, causes remaining in the dried combustiblecomponents too high levels of putting out in the stove, and this can make the dried danger that stove has blast of putting out, thereby to producing and personnel safety generation hidden danger.
For this reason, just need control the dried air import volume that puts out stove, to proofread and correct accordingly.The Controlling System of existing a kind of air import volume, it is by being provided with air leading-in conduit, flow control valve, two pressure ports, differential pressure transmitter and control units.Wherein, air leading-in conduit is connected with air entrance hole 60, with so that the circular channel be connected with atmosphere; Flow control valve is arranged on the air leading-in conduit, in order to connecting or disconnecting air leading-in conduit, and the air flow quantity of regulating the air leading-in conduit of flowing through; Two pressure ports are separately positioned on the corresponding position of the upstream and downstream of flow control valve; Differential pressure transmitter is used for gathering the draught head of the upstream and downstream that is positioned at flow control valve of air leading-in conduit respectively from two pressure ports, and is converted into differential pressure signal, and is sent to described control unit; Described control unit calculates based on this differential pressure signal and obtains the flux values that flow control valve is exported, and regulates the flow of output according to the aperture size of this flux values control flow control valve.
Inevitably there is following problem in actual applications in the Controlling System of above-mentioned air import volume, that is: owing to be subjected to the restriction of the precision of flow control valve, also can there be error in the draught head of the upstream and downstream that is positioned at flow control valve that differential pressure transmitter is gathered, it is inaccurate (namely to cause calculating the flux values that the flow control valve obtains exports by control unit, the theoretical delivery value of the corresponding output of actual aperture of flow control valve has bigger error with the flux values of actual output), thereby the accuracy of the Controlling System of above-mentioned air import volume is lower, and has reduced coke quality.
The utility model content
The utility model is intended to solve the technical problem that exists in the prior art, provide a kind of for the dried system of putting out the air import volume of stove of control, the accuracy of the dried air import volume that puts out stove of its control is higher, thereby can improve dried stability and security of putting out stove, and can improve coke quality.
It is a kind of for the dried system of putting out the air import volume of stove of control that the utility model provides, comprise air leading-in conduit, throttling set, differential pressure transmitter, flow control valve and control unit, wherein, the input terminus of described air leading-in conduit is connected with atmosphere, the output terminal of described air leading-in conduit is connected with air entrance hole on being arranged on the described dried annular air channel that puts out stove, and air flows into the described dried annular air channel that puts out stove via described air leading-in conduit and air entrance hole; Described throttling set is arranged on the described air leading-in conduit, in order to the flow through air flow quantity of described throttling set of demarcation; Described differential pressure transmitter is used for gathering the draught head between the upstream and downstream of described throttling set, and this draught head is converted to differential pressure signal, and is sent to described control unit; Described control unit is used for calculating and obtain to import the described dried measurement flux values that puts out the air in the stove based on described differential pressure signal, and transmits control signal to described flow control valve according to described measurement flux values and default inviscid flow value; Described flow control valve is arranged on the described air leading-in conduit, regulates its aperture in order to basis from the control signal of described control unit, so that the flux values of described flow control valve output and described inviscid flow value equate.
Wherein, described throttling set is the termination orifice plate.
Wherein, described control unit also comprises database and collecting unit, and wherein, described database is used for the described dried working parameter of stove and the corresponding described dried described inviscid flow value that puts out furnace air of importing with it of putting out of storage; Described collecting unit is used for gathering the described dried working parameter that put out stove corresponding with described measurement flux values, and sends it to described control unit; Described control unit is searched the described dried working parameter that puts out stove corresponding with described measurement flux values in the described database, and read described inviscid flow value corresponding with this working parameter in the described database, and judge whether described inviscid flow value and described measurement flux values equate, if not, then described control unit calculates the difference in flow of described inviscid flow value and described measurement flux values, and transmits control signal to described flow control valve according to this difference in flow.
Wherein, described flow control valve is butterfly valve.
Wherein, described working parameter comprises air pressure and temperature.
The utlity model has following beneficial effect:
The utility model provides is used for the dried system of putting out the air import volume of stove of control, it demarcates the air flow quantity of this throttling set of flowing through by throttling set, and by the draught head of differential pressure transmitter collection between the upstream and downstream of throttling set, and this draught head is converted to differential pressure signal is sent to control unit; Control unit calculates according to this differential pressure signal and obtains to import the dried measurement flux values that puts out the air in the stove, and according to the aperture of this measurement flux values with the inviscid flow value control flow control valve of presetting, so that the flux values of flow control valve output and inviscid flow value are equal.Because dimensional precision and the manufacturing accuracy of above-mentioned throttling set are higher, thereby the error of the draught head gathered of differential pressure transmitter is less, this makes control unit calculate based on this draught head and the precision of the measurement flux values that obtains is higher, thereby can improve the dried accuracy of putting out the air import volume of stove of control, and then can improve dried stability and security of putting out stove, and can improve coke quality.
Description of drawings
Fig. 1 is for being the dried structure diagram that puts out stove;
The functional block diagram of the system that is used for the dried air import volume that puts out stove of control that Fig. 2 provides for the utility model first embodiment;
The functional block diagram of the system that is used for the dried air import volume that puts out stove of control that Fig. 3 provides for the utility model second embodiment; And
Fig. 4 controls the dried FB(flow block) of putting out the air import volume of stove for adopting the described system of Fig. 3.
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing the dried system of putting out the air import volume of stove of control that is used for that the utility model provides is described in detail.
The functional block diagram of the system that is used for the dried air import volume that puts out stove of control that Fig. 2 provides for the utility model first embodiment.See also Fig. 2, it comprises air leading-in conduit (not shown), throttling set 1, differential pressure transmitter 2, flow control valve 3 and control unit 4.Wherein, the input terminus of air leading-in conduit is connected with atmosphere, and the output terminal of air leading-in conduit is connected with air entrance hole on being arranged on the dried annular air channel that puts out stove, and air flows into annular air channel via air leading-in conduit and air entrance hole.
Throttling set 1 is arranged on the air leading-in conduit, and in order to the flow through air flow quantity of throttling set of demarcation, throttling set 1 is the termination orifice plate.Differential pressure transmitter 2 is used for gathering the draught head between the upstream and downstream of throttling set 1, and this draught head is converted to differential pressure signal, and be sent to control unit 4, particularly, differential pressure transmitter 2 is gathered the air pressure of the upstream that is positioned at throttling set 1 and the air pressure in downstream earlier, obtain the draught head of upstream and downstream by calculating again, and draught head is converted to differential pressure signal is sent to control unit 4; Control unit 4 is used for calculating and obtain to import the dried measurement flux values that puts out the air in the stove based on differential pressure signal, and transmits control signal to flow control valve 3 according to the inviscid flow value of measuring flux values and preset; Flow control valve 3 is arranged on the air leading-in conduit, regulate its aperture in order to basis from the control signal of control unit 4, so that the flux values of flow control valve output is tending towards or equals the inviscid flow value, flow control valve 3 can be the valve of the output flow regulated of butterfly valve etc.Because dimensional precision and the manufacturing accuracy of above-mentioned throttling set 1 are higher, thereby the error of the draught head gathered of differential pressure transmitter 2 is less, this makes control unit 4 calculate based on this draught head and the precision of the measurement flux values that obtains is higher, thereby can improve the dried accuracy of putting out the air import volume of stove of control, and then can improve dried stability and security of putting out stove, and can improve coke quality.
In actual applications, throttling set 1 is arranged on the input terminus of air leading-in conduit, and, when throttling set 1 is arranged on the air leading-in conduit, and in the time of between its input terminus and output terminal, flow control valve 3 can be arranged on the air leading-in conduit, and is positioned at the downstream of throttling set 1.
The functional block diagram of the system that is used for the dried air import volume that puts out stove of control that Fig. 2 provides for the utility model second embodiment.See also Fig. 2, the dried system of putting out the air import volume of stove of control that is used for that present embodiment provides compares with first embodiment, comprise throttling set 1, differential pressure transmitter 2, flow control valve 3 and control unit 4 equally, because the function of said apparatus or unit and pass each other tie up to and have had detailed description among first embodiment, do not repeat them here.
Only the difference of this enforcement with first embodiment is described below, particularly, the dried system of putting out the air import volume of stove of control that is used for that present embodiment provides also comprises database 5 and collecting unit 6.Wherein, database 5 is used for the dried working parameter of stove and the corresponding dried inviscid flow value that puts out the air in the stove of importing with it of putting out of storage.Working parameter can comprise the dried interior air pressure of stove, the temperature etc. put out.So-called inviscid flow value refers to guarantee the dried flux values that puts out the air of the required air leading-in conduit of flowing through of stove works better.Collecting unit 6 is used for gathering the dried working parameter that put out stove corresponding with measuring flux values, and sends it to control unit 4; Control unit 4 is searched the dried working parameter that puts out stove corresponding with measuring flux values in the database 5, and the inviscid flow value corresponding with this working parameter in the reading database 5, and judge the inviscid flow value and measure flux values whether equate, if not, then control unit 4 calculates the difference in flow of inviscid flow value and measurement flux values, and transmits control signal to flow control valve 3 according to this difference in flow.
Particularly, Fig. 4 controls the dried FB(flow block) of putting out the air import volume of stove for adopting the described system of Fig. 3.See also Fig. 4, the working process that is used for the system of the dried air import volume that puts out stove of control specifically may further comprise the steps:
S1, differential pressure transmitter 2 is gathered the draught head between the upstream and downstream of throttling set 1, and this draught head is converted to differential pressure signal, and is sent to control unit 4;
S2, control unit 4 calculate according to described differential pressure signal and obtain to import the dried measurement flux values that puts out the air of stove, and transmit control signal to flow control valve 3 according to the inviscid flow value of measuring flux values and preset;
S3, flow control valve 3 is regulated its aperture according to the control signal of control unit 4, so that the flux values of flow control valve output is tending towards or equals the inviscid flow value.
Wherein, step S2 comprises step S21 and step S22:
S21, collecting unit 6 is gathered the dried working parameter that put out stove corresponding with measuring flux values, and sends it to control unit 4;
S22, control unit 4 is searched the dried working parameter that puts out stove that is stored in advance in the database 5, and with this working parameter corresponding inviscid flow value of reading pre-stored in database 5, and judge the inviscid flow value and measure flux values whether equate, if not, then control unit 4 calculates the difference in flow of inviscid flow value and measurement flux values, and transmits control signal to flow control valve 3 according to this difference in flow; If control unit 4 does not transmit control signal to flow control valve, namely the aperture of flow control valve is constant.
Be understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited thereto.For those skilled in the art, under the situation that does not break away from principle of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection domain of the present utility model.
Claims (5)
1. one kind is used for the dried system of putting out the air import volume of stove of control, it is characterized in that, comprises air leading-in conduit, throttling set, differential pressure transmitter, flow control valve and control unit, wherein
The input terminus of described air leading-in conduit is connected with atmosphere, the output terminal of described air leading-in conduit is connected with air entrance hole on being arranged on the described dried annular air channel that puts out stove, and air flows into the described dried annular air channel that puts out stove via described air leading-in conduit and air entrance hole;
Described throttling set is arranged on the described air leading-in conduit, in order to the flow through air flow quantity of described throttling set of demarcation;
Described differential pressure transmitter is used for gathering the draught head between the upstream and downstream of described throttling set, and this draught head is converted to differential pressure signal, and is sent to described control unit;
Described control unit is used for calculating and obtain to import the described dried measurement flux values that puts out the air in the stove based on described differential pressure signal, and transmits control signal to described flow control valve according to described measurement flux values and default inviscid flow value;
Described flow control valve is arranged on the described air leading-in conduit, regulates its aperture in order to basis from the control signal of described control unit, so that the flux values of described flow control valve output and described inviscid flow value equate.
2. according to claim 1 for the dried system of putting out the air import volume of stove of control, it is characterized in that described throttling set is the termination orifice plate.
3. according to claim 1 for the dried system of putting out the air import volume of stove of control, it is characterized in that described control unit also comprises database and collecting unit, wherein
Described database is used for the described dried working parameter of stove and the corresponding described dried described inviscid flow value that puts out furnace air of importing with it of putting out of storage;
Described collecting unit is used for gathering the described dried working parameter that put out stove corresponding with described measurement flux values, and sends it to described control unit;
Described control unit is searched the described dried working parameter that puts out stove corresponding with described measurement flux values in the described database, and read described inviscid flow value corresponding with this working parameter in the described database, and judge whether described inviscid flow value and described measurement flux values equate, if not, then described control unit calculates the difference in flow of described inviscid flow value and described measurement flux values, and transmits control signal to described flow control valve according to this difference in flow.
4. according to claim 3 for the dried system of putting out the air import volume of stove of control, it is characterized in that described flow control valve is butterfly valve.
5. according to claim 3 for the dried system of putting out the air import volume of stove of control, it is characterized in that described working parameter comprises air pressure and temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121864 CN203159531U (en) | 2013-03-18 | 2013-03-18 | System for controlling air introduction amount of dry quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121864 CN203159531U (en) | 2013-03-18 | 2013-03-18 | System for controlling air introduction amount of dry quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203159531U true CN203159531U (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121864 Expired - Lifetime CN203159531U (en) | 2013-03-18 | 2013-03-18 | System for controlling air introduction amount of dry quenching furnace |
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| CN (1) | CN203159531U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807793A (en) * | 2016-05-24 | 2016-07-27 | 中冶焦耐工程技术有限公司 | Dust removal pipeline dust gas flow adjustment system |
| CN114432916A (en) * | 2021-12-30 | 2022-05-06 | 北京航天长峰股份有限公司 | Gas mixing equipment |
| CN114736697A (en) * | 2022-04-13 | 2022-07-12 | 山东四化环保节能工程有限公司 | Heating method of dry quenching furnace |
-
2013
- 2013-03-18 CN CN 201320121864 patent/CN203159531U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807793A (en) * | 2016-05-24 | 2016-07-27 | 中冶焦耐工程技术有限公司 | Dust removal pipeline dust gas flow adjustment system |
| CN114432916A (en) * | 2021-12-30 | 2022-05-06 | 北京航天长峰股份有限公司 | Gas mixing equipment |
| CN114736697A (en) * | 2022-04-13 | 2022-07-12 | 山东四化环保节能工程有限公司 | Heating method of dry quenching furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Meng Fanliang Inventor after: Hao Lixiang Inventor after: Zhang Yi Inventor before: Meng Fanliang Inventor before: Hao Lixiang |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131202 Address after: 101318, building 14, Rong Hui Garden, B District, Shunyi District Airport Industrial Park, Beijing Patentee after: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. Patentee after: CECEP TECHNOLOGY INVESTMENT Co.,Ltd. Address before: 101318, building 14, Rong Hui Garden, B District, Shunyi District Airport Industrial Park, Beijing Patentee before: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. |
|
| CP03 | Change of name, title or address |
Address after: Section thirteen economic and Technological Development Zone of Beijing City 31 street 100176 No. two School District No. 15 Building 5 layer 501 Co-patentee after: CECEP TECHNOLOGY INVESTMENT Co.,Ltd. Patentee after: HUATAI YONGCHUANG (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 101318, building 14, Rong Hui Garden, B District, Shunyi District Airport Industrial Park, Beijing Co-patentee before: CECEP TECHNOLOGY INVESTMENT Co.,Ltd. Patentee before: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |
|
| CX01 | Expiry of patent term |