CN108977206A - A kind of quenching furnace prestores the control pressurer system of room - Google Patents
A kind of quenching furnace prestores the control pressurer system of room Download PDFInfo
- Publication number
- CN108977206A CN108977206A CN201710398635.5A CN201710398635A CN108977206A CN 108977206 A CN108977206 A CN 108977206A CN 201710398635 A CN201710398635 A CN 201710398635A CN 108977206 A CN108977206 A CN 108977206A
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- pressure
- room
- quenching furnace
- prestores
- regulating valve
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B41/00—Safety devices, e.g. signalling or controlling devices for use in the discharge of coke
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Coke Industry (AREA)
Abstract
A kind of quenching furnace provided by the invention prestores the control pressurer system of room, prestores room space (2), hot air pipe (3), balance pipe (4), pressure-regulating valve (5) and blower (6) including quenching furnace (1), at the top of quenching furnace (1)；Wherein, blower (6) is connected to quenching furnace (1) by hot air pipe (3) after thermal energy recycles, room space (2) are prestored to connect by balance pipe (4) with hot air pipe (3), pressure-regulating valve (5) is set on balance pipe (4), controls the pressure that quenching furnace prestores room for the aperture by adjusting pressure-regulating valve (5).The quenching furnace prestores the control pressurer system of room, it directly and quickly adjusts by adjusting the opening size of pressure-regulating valve (5) and prestores the pressure of room space (2), just make that small to the control and regulation feedback delay for prestoring chamber pressure, adjustment speed is fast and regulating power is strong in this way, chamber pressure is prestored to achieve the purpose that stablize, guarantees that the production of quenching system and thermal energy reclaimer operation is stablized.
Description
Technical field
The present invention relates to red burnt quenching technical fields, and in particular to a kind of quenching furnace prestores the control pressurer system of room.
Background technique
Currently, quenching (English name coke quenching) is the proprietary term of coal process of coking, it is therefore intended that will
The red-hot coke (i.e. red coke) refined is cooled to the temperature for being readily transported and storing.Process of coking has been operated in coke oven
At, coal is specifically generated into coke by high-temperature retorting process, the coke of generation can be used for metallurgy, but the coke generated
Temperature needs to fall within the range of 200 DEG C or less by quenching at 950~1100 DEG C.
In dry quenching system production, the burn out rate of coke is to influence coke output and an important factor for quality, common
Influence factor has fertilizer ratio, cycle gas composition, prestores chamber pressure etc..Cause to prestore there are many unstable reasons of chamber pressure,
Such as the increase and decrease of air circulation, discharger and coke dry quenching furnace interface and the precision of the circulatory system, dress coke and the coke discharging (wave of material position
It is dynamic), the leakage of negative pressure system etc., therefore, quick adjust for prestoring chamber pressure is particularly important.
It commonly prestores chamber pressure and relies primarily on and prestore chamber pressure force regulating valve (being mounted on heat exchange of heat pipe) to be adjusted
Section, control valve opening increase, and amount of diffusin increases, and reduce into the circulating air scale of construction in quenching furnace, prestore across the arrival of red focus layer
The gas of room is also reduced, and prestores chamber pressure reduction；Conversely, control valve opening reduces, chamber pressure increase is prestored.This kind prestores chamber pressure
Draught control system, heat exchange of heat pipe need recyclegas to penetrate red coke and reach the room of prestoring progress at the red coke position of quenching furnace
It adjusts, adjustment mechanism is that will prestore chamber pressure force regulating valve to put into auto state, and setting pressure controls target value, then inputs PID
(ratio, integral, differential) parameter is adjusted to prestore chamber pressure measured value as value of feedback prestore chamber pressure PID, because
This, haves the defects that adjustment mechanism is complicated, adjusting feedback delay is big, adjustment speed is slow and regulating power is limited.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that the chamber pressure draught control system in the prior art that prestores is overcome to exist
The defect that adjustment mechanism is complicated, at least one of adjusts that feedback delay is big, adjustment speed is slow and regulating power is limited.
The present invention provides the control pressurer system that a kind of quenching furnace prestores room, including quenching furnace (1), is located at the quenching furnace
(1) room space (2), hot air pipe (3), balance pipe (4), pressure-regulating valve (5) and blower (6) are prestored at the top of；Wherein, the wind
Machine (6) is connected to the quenching furnace (1) by the hot air pipe (3) after thermal energy recycles, and the room space (2) that prestores passes through institute
It states balance pipe (4) to connect with the hot air pipe (3), the pressure-regulating valve (5) is set on the balance pipe (4), for leading to
The aperture control quenching furnace for overregulating the pressure-regulating valve (5) prestores the pressure of room.
Optionally, quenching furnace prestores the control pressurer system of room further include: annular air channel (7), the annular air channel (7) and institute
Hot air pipe (3) connection is stated, setting is in the quenching furnace (1).
Optionally, quenching furnace prestores the control pressurer system of room further include: pressure-detecting device (8), it is described for detecting
Prestore the pressure value of room space (2).
Optionally, the pressure-detecting device (8) is set to the top for prestoring room space (2).
Optionally, quenching furnace prestores the control pressurer system of room further include: controller is connected to the pressure-detecting device
(8) increase or subtract with the pressure-regulating valve (5), the pressure value received for basis from the pressure-detecting device (8)
The aperture of the small pressure-regulating valve (5)；Wherein, when the pressure value is greater than the first predetermined threshold, increase the pressure tune
The aperture of section valve (5) reduces the aperture of the pressure-regulating valve (5) when the pressure value is less than the second predetermined threshold.
Optionally, the aperture that the controller increases or reduce the pressure-regulating valve (5) prestores room sky described in making
Between (2) pressure control between -200~200Pa.
Optionally, the hot air pipe (3) is connect with the blower (6) by cooling and heat recovery system.
Technical solution of the present invention has the advantages that
1. a kind of quenching furnace provided by the invention prestores the control pressurer system of room, including quenching furnace (1), put out positioned at described
Room space (2), hot air pipe (3), balance pipe (4), pressure-regulating valve (5) and blower (6) are prestored at the top of coke oven (1)；Wherein, institute
It states blower (6) and the quenching furnace (1) is connected to after thermal energy recycles by the hot air pipe (3), described prestore room space (2) lead to
The balance pipe (4) to be crossed to connect with described with hot air pipe (3), the pressure-regulating valve (5) is set on the balance pipe (4),
The pressure that quenching furnace prestores room is controlled for the aperture by adjusting the pressure-regulating valve (5).This prestores the pressure control of room
System prestores chamber pressure draught control system in the prior art, and (the pressure-regulating valve adjusting being installed on heat exchange of heat pipe prestores chamber pressure
Power) on the basis of, increase balance pipe (4) and pressure-regulating valve (5), so that prestoring room space (2) passes through balance pipe (4) and hot wind
(3) connection is managed, the opening size of adjustment pressure-regulating valve (5) directly and quickly adjusts the pressure for prestoring room space (2), so just
So that it is small to the control and regulation feedback delay for prestoring chamber pressure, adjustment speed is fast and regulating power is strong, thus reach stabilization prestore
The purpose of chamber pressure guarantees that the production of quenching system and thermal energy reclaimer operation is stablized.
2. based on the above technical solution, the present invention also improves it, increase pressure-detecting device (8),
The pressure-detecting device (8) is set to the top for prestoring room space (2), to the pressure value for prestoring room space (2) into
Row automatically real-time detect, then by control system analysis judgement after, control the aperture of the pressure-regulating valve (5), so just
Realize the automatic adjustment to room space (2) pressure is prestored, regulative mode is simpler convenient, easy to operate, more automation and
It is intelligent.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the system diagram of a specific example of the control pressurer system that quenching furnace prestores room in the embodiment of the present invention.
Appended drawing reference:
1- quenching furnace；2- prestores room space；3- hot air pipe；4- balance pipe；5- pressure-regulating valve；
6- blower；7- annular air channel；8- pressure-detecting device.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
The present embodiment provides the control pressurer systems that a kind of quenching furnace prestores room, as shown in Figure 1, comprising: quenching furnace (1),
Room space (2), hot air pipe (3), balance pipe (4), pressure-regulating valve (5) and blower (6) are prestored at the top of quenching furnace (1)；
Wherein, blower (6) is connected to quenching furnace (1) by hot air pipe (3) after thermal energy recycles, and prestores room space (2) and passes through balance pipe
(4) it is connect with hot air pipe (3), pressure-regulating valve (5) is set on balance pipe (4), which makes to prestore room sky by balance pipe
Between (2) be connected to hot air pipe (3), on balance pipe (4) be arranged pressure-regulating valve (5) so that prestore chamber pressure it is unstable when, lead to
The aperture control quenching furnace for overregulating pressure-regulating valve (5) prestores the pressure remained steady of room, guarantees that quenching system and thermal energy are returned
Receive the stabilization of operating system.When prestoring chamber pressure increase, increases the aperture of pressure-regulating valve, increase the amount of diffusin of balance pipe
Chamber pressure is prestored to reduce, prestores chamber pressure stabilization to reach, conversely, needing to reduce pressure tune when prestoring chamber pressure reduction
The aperture for saving valve reduces the amount of diffusin of balance pipe and prestores chamber pressure to increase.This regulative mode can be directly and quickly right
It prestores chamber pressure to be adjusted, adjustment speed is fast, and regulating power is strong.
In order to which the pressure for prestoring room to quenching furnace is steadily controlled, in one alternate embodiment, quenching furnace prestores room
Control pressurer system further include that the annular air channel (7) in coke oven (1), the annular air channel are connected to and be arranged with quenching furnace (1)
(7) it is also connect with hot air pipe (3), allows for hot air pipe (3) in this way and be connected to simultaneously with balance pipe (4) and annular air channel (7), hot wind
Pipe (3) is also connected with blower (6) after heat recovery, and blower suction makes to generate negative pressure in hot air pipe, which passes through hot wind
It manages while control prestores the pressure in room space and the pressure of annular air channel suction inlet, stablize the pressure in entire quenching furnace.
It is accurately controlled in order to which the pressure for prestoring room to quenching furnace is compared, in one alternate embodiment, quenching furnace
The control pressurer system for prestoring room further includes setting in the pressure-detecting device (8) for prestoring room space (2) top, pre- for detecting
The pressure value of room space (2) is deposited, pressure-detecting device detects the pressure value for prestoring room space, sentences by the analysis of control system
Have no progeny, issue control signal, the control signal function on pressure-regulating valve, making pressure-regulating valve make corresponding movement, when
When the pressure signal detected is greater than the first predetermined threshold, increase the aperture of pressure-regulating valve, when pressure signal is pre- less than second
When determining threshold value, reduce the aperture of pressure-regulating valve, the first predetermined threshold is more than or equal to the second predetermined threshold, the two threshold sizes
Setting be rationally arranged as needed, when prestoring room space pressure and needing to be maintained in a lesser range, this two
Difference between a threshold value can be set smaller, when prestoring room space pressure and being maintained in a larger range this
Difference between two threshold values can be set larger, and it is more reasonable to be specifically configured to what value, needs according to different quenchings
The many factors such as technique, practical quenching situation and production cost comprehensively consider.In the present embodiment, the first predetermined threshold is set as
200Pa, the second predetermined threshold are set as -200Pa, make to prestore room space pressure by the adjusting of pressure-regulating valve and are maintained at -200
Between~200Pa, certainly, it in other embodiments, may be set to be other values, can be between -50~50Pa, this is small
Pressure control range to make to prestore chamber pressure fluctuation small, be more advantageous to technique production, but fluctuation range reduces, and needs more smart
True control and regulating power, to pressure-detecting device and control system, more stringent requirements are proposed, it is also possible to -300~
300Pa, big pressure control range are low to the required precision detected and controlled, but it is larger to prestore chamber pressure fluctuation range, no
Conducive to the stabilization of quenching system, therefore, the size of the two threshold values needs comprehensive considering various effects, according to required reasonable setting
?.Pressure-detecting device realizes automatic adjust to pressure-regulating valve according to the pressure signal detected under control system cooperation
Section realizes the pressure for prestoring room space (2) and automatically real-time detects and adjust, and regulative mode is simpler convenient, easy to operate,
More automation and intelligence.In this embodiment, pressure-detecting device can be pressure detecting table, certainly, in other embodiments
In be also possible to other devices that can detecte pressure, such as pressure sensor.
In one alternate embodiment, hot air pipe (3) and blower (6) can also be connected by cooling and heat recovery system
It connects, cooling system and heat recovery system realize the recycling to heat, are more energy-saving and environmentally friendly.
The control pressurer system that quenching furnace provided by the above embodiment prestores room prestores chamber pressure adjusting in the prior art
On the basis of system (the pressure-regulating valve adjusting being installed on heat exchange of heat pipe prestores chamber pressure), increase balance pipe (4), setting
In the pressure-regulating valve (5) on balance pipe (4), it is set to the upper pressure detection device (8) for prestoring room space (2), so that in advance
It deposits room space (2) to be connected to by balance pipe (4) with hot air pipe (3), be adjusted after pressure-detecting device (8) detects pressure signal
The opening size of pressure-regulating valve (5) directly and quickly adjusts the pressure for prestoring room space (2), just makes in this way to prestoring chamber pressure
The control and regulation feedback delay of power is small, adjustment speed is fast and regulating power is strong, realizes to the automatic tune for prestoring room space pressure
Section, regulative mode is simpler convenient, easy to operate, more automation and intelligence, to reach the mesh stablized and prestore chamber pressure
, guarantee that the production of quenching system and thermal energy reclaimer operation is stablized.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (7)
1. the control pressurer system that a kind of quenching furnace prestores room, which is characterized in that including quenching furnace (1), be located at the quenching furnace
(1) room space (2), hot air pipe (3), balance pipe (4), pressure-regulating valve (5) and blower (6) are prestored at the top of；Wherein, the wind
Machine (6) is connected to the quenching furnace (1) by the hot air pipe (3) after thermal energy recycles, and the room space (2) that prestores passes through institute
It states balance pipe (4) to connect with the hot air pipe (3), the pressure-regulating valve (5) is set on the balance pipe (4), for leading to
The aperture control quenching furnace for overregulating the pressure-regulating valve (5) prestores the pressure of room.
2. the control pressurer system that quenching furnace according to claim 1 prestores room, which is characterized in that further include:
Annular air channel (7), the annular air channel (7) are connect with the hot air pipe (3), and setting is in the quenching furnace (1).
3. the control pressurer system that quenching furnace according to claim 1 prestores room, which is characterized in that further include:
Pressure-detecting device (8), for detecting the pressure value for prestoring room space (2).
4. the control pressurer system that quenching furnace according to claim 3 prestores room, which is characterized in that the pressure detecting dress
It sets (8) and is set to the top for prestoring room space (2).
5. the control pressurer system that quenching furnace according to claim 3 prestores room, which is characterized in that further include:
Controller is connected to the pressure-detecting device (8) and the pressure-regulating valve (5), for examining according to from the pressure
Survey the aperture that the pressure value that device (8) receive increases or reduce the pressure-regulating valve (5)；Wherein, in the pressure value
When greater than the first predetermined threshold, increase the aperture of the pressure-regulating valve (5), in the pressure value less than the second predetermined threshold
When, reduce the aperture of the pressure-regulating valve (5).
6. the control pressurer system that quenching furnace according to claim 5 prestores room, which is characterized in that the controller increases
Or reduce the pressure-regulating valve (5) aperture make the pressure control for prestoring room space (2) -200~200Pa it
Between.
7. -6 any quenching furnaces prestore the control pressurer system of room according to claim 1, which is characterized in that the hot wind
Pipe (3) is connect with the blower (6) by cooling and heat recovery system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398635.5A CN108977206A (en) | 2017-05-31 | 2017-05-31 | A kind of quenching furnace prestores the control pressurer system of room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398635.5A CN108977206A (en) | 2017-05-31 | 2017-05-31 | A kind of quenching furnace prestores the control pressurer system of room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108977206A true CN108977206A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710398635.5A Pending CN108977206A (en) | 2017-05-31 | 2017-05-31 | A kind of quenching furnace prestores the control pressurer system of room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309065A (en) * | 2020-02-12 | 2020-06-19 | 广东韶钢松山股份有限公司 | Pressure model establishing method, pressure adjusting method and device |
| CN113736494A (en) * | 2020-05-29 | 2021-12-03 | 宝山钢铁股份有限公司 | Coke oven gas collecting pipe voltage stabilization adjusting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010064778A (en) * | 1999-12-18 | 2001-07-11 | 이구택 | Method of controlling a pre-chamber pressure in a coke dry quench apparatus |
| JP2004231688A (en) * | 2003-01-28 | 2004-08-19 | Nippon Steel Corp | Method for dry quenching of coke |
| CN102959050A (en) * | 2010-06-27 | 2013-03-06 | 钢铁普蓝特克股份有限公司 | Coke dry quenching plant and method for operating same |
| CN203999494U (en) * | 2014-07-08 | 2014-12-10 | 中节能科技投资有限公司 | A kind of dry quenching system |
| CN206828447U (en) * | 2017-05-31 | 2018-01-02 | 科利特环能科技（大连）有限公司 | A kind of quenching stove prestores the control pressurer system of room |
-
2017
- 2017-05-31 CN CN201710398635.5A patent/CN108977206A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010064778A (en) * | 1999-12-18 | 2001-07-11 | 이구택 | Method of controlling a pre-chamber pressure in a coke dry quench apparatus |
| JP2004231688A (en) * | 2003-01-28 | 2004-08-19 | Nippon Steel Corp | Method for dry quenching of coke |
| CN102959050A (en) * | 2010-06-27 | 2013-03-06 | 钢铁普蓝特克股份有限公司 | Coke dry quenching plant and method for operating same |
| CN203999494U (en) * | 2014-07-08 | 2014-12-10 | 中节能科技投资有限公司 | A kind of dry quenching system |
| CN206828447U (en) * | 2017-05-31 | 2018-01-02 | 科利特环能科技（大连）有限公司 | A kind of quenching stove prestores the control pressurer system of room |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309065A (en) * | 2020-02-12 | 2020-06-19 | 广东韶钢松山股份有限公司 | Pressure model establishing method, pressure adjusting method and device |
| CN111309065B (en) * | 2020-02-12 | 2023-08-01 | 广东韶钢松山股份有限公司 | Pressure model building method, pressure adjusting method and device |
| CN113736494A (en) * | 2020-05-29 | 2021-12-03 | 宝山钢铁股份有限公司 | Coke oven gas collecting pipe voltage stabilization adjusting method |
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