CN208501023U - A kind of intelligent control furnace roof cooling device - Google Patents

A kind of intelligent control furnace roof cooling device Download PDF

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Publication number
CN208501023U
CN208501023U CN201821022834.2U CN201821022834U CN208501023U CN 208501023 U CN208501023 U CN 208501023U CN 201821022834 U CN201821022834 U CN 201821022834U CN 208501023 U CN208501023 U CN 208501023U
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China
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water
pipeline
furnace roof
high pressure
furnace
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CN201821022834.2U
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Chinese (zh)
Inventor
肖玉成
彭延成
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Tangshan Jiarui Energy Saving Technology Co Ltd
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Tangshan Jiarui Energy Saving Technology Co Ltd
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Abstract

The utility model discloses a kind of intelligent control furnace roof cooling devices, including control cabinet, station and furnace roof water injection system, the furnace roof water injection system is equipped with water spraying pipeline, water spraying pipeline is equipped with non-return valve, manually-operated gate, operated pneumatic valve, one end of electromagnetic flowmeter water spraying pipeline connects water spout, the other end of water spraying pipeline and pipeline connection of fetching water, pipeline of fetching water is connected to high pressure water circuit, watering pipe road is equipped with pressure detector, water inlet end is successively equipped with filter on high pressure water circuit, electromagnetic flowmeter and water discharge controller, control cabinet is electrically connected with the thermocouple being arranged at furnace roof, control cabinet and setting are in water spraying pipeline, electromagnetic flowmeter on high pressure water circuit is electrically connected, control cabinet is electrically connected with pressure detector, control cabinet is electrically connected with station.The device can determine amount of water sprayed with real-time detection furnace temperature and according to furnace temperature, supply water, cuts off the water on demand automatically, to realize that blast furnace furnace gas temperature and cooling water inflow must be controlled in safe range.

Description

A kind of intelligent control furnace roof cooling device
Technical field
The utility model relates to cooling control systems, are exactly a kind of intelligent control furnace roof cooling devices.
Background technique
Intelligence atomization cooling system mainly cools down to furnace roof high temperature mixed gas while controlling atomization water, Coal gas of high temperature damage furnace top equipment and coal gas dust collector are prevented, while also to prevent cooling water inflow is excessive furnace roof is caused to explode, In terms of the reason of furnace roof explodes mainly following two:
1, since furnace roof cooling water is fitted without atomising device, cause descent of temperature uneven.
2, flow detection device is not installed, cooling water excess is caused to generate hydrogen.
For normal blast furnace furnace gas temperature at 150~250 DEG C, furnace gas temperature is excessively high, directly affects the normal work of furnace top equipment Make, the cloth bag that gas dust remover is burnt when serious causes equipment and safety accident.So blast furnace furnace gas temperature (also referred to as rising tube temperature Degree) and cooling water inflow must control within certain safe range.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of intelligent control furnace roof cooling device, which can be real When detection furnace temperature and amount of water sprayed is determined according to furnace temperature, supplies water, cut off the water on demand automatically, to realize blast furnace furnace gas temperature and cooling water Amount must be controlled in safe range.
In order to solve the above technical problems, the utility model uses following technological means:
A kind of intelligent control furnace roof cooling device, including control cabinet, station and furnace roof water injection system, the furnace roof spray Water system is equipped with water spraying pipeline, and water spraying pipeline is equipped with non-return valve, manually-operated gate, operated pneumatic valve, electromagnetic flowmeter water spraying pipeline One end connect water spout, the other end of water spraying pipeline and fetch water pipeline connection, pipeline of fetching water is connected to high pressure water circuit, watering pipe Road is equipped with pressure detector, and water inlet end is successively equipped with filter, electromagnetic flowmeter and water discharge controller on high pressure water circuit, controls Cabinet is electrically connected with the thermocouple being arranged at furnace roof, control cabinet with water spraying pipeline is set, the electromagnetic flowmeter on high pressure water circuit It is electrically connected, control cabinet is electrically connected with pressure detector, and control cabinet is electrically connected with station.
The utility model by adopting the above technical scheme, compared with prior art, the feature protruded is:
Water spout spray cooling is controlled by thermocouple real-time monitoring furnace temperature, and by operated pneumatic valve, electromagnetic flowmeter Flow parameter, watering pipe road are equipped with pressure detector pressure parameter, it can be determined that whether furnace roof water supply system is normal, flows simultaneously Amount can record again and beat how much amount into furnace, for operator's timely adjustment working of a furnace, guarantee the stable smooth operation of blast furnace, while again It can prevent to fetch water due to furnace roof, the furnace roof pinking safety accident of initiation.
Further optimal technical scheme is as follows:
The water spraying pipeline is arranged 8 along blast furnace gas sealing cover at equal intervals.
Multiple water spraying pipelines are set, the sparge pipe of region can be utilized according to the temperature conditions of different zones in furnace Line work, targetedly Partial controll cools down.
The pipeline of fetching water is annulus line, and pipeline of fetching water is divided into outer pipeline, interior pipeline;Outer pipeline, inner tube road are equal Equipped with pressure detector.
By the way that outer pipeline, interior pipeline is arranged, the stability of water supply is further increased.
The high pressure water circuit is equipped with the first high pressure water circuit, the second high pressure water circuit, the first high pressure water circuit and outer pipeline connection, Second high pressure water circuit and interior pipeline connection.
By the way that the first high pressure water circuit, the second high pressure water circuit is arranged, the stability of high service can be further improved.
The water discharge controller is connected to by flowing line with catch basin.
The setting of flowing line can prevent from causing frost crack pipe of fetching water in quenching weather, seriously affecting the temperature of blast furnace Direct motion etc..
The end of the water spraying pipeline is equipped with spray gun, and the water outlet of spray gun is equipped with water spout, protection baffle, the spray of spray gun Piston, one end connection of piston and reset spring are equipped in water chamber, the other end of reset spring connect with postive stop baffle, limits Position baffle limits the motion range for rifle piston of fetching water.Baffle is protected, with smooth opening and can be closed to water spout formation protection, and Good airproof performance influences working effect to prevent from being atomized the blocking for rifle of fetching water.Protection baffle automatic telescopic is living by water pressure pushing Plug, compression reseting spring makes atomizing lance auto-extending, guarantees the length of stroke by limiting device, when furnace roof pipeline of fetching water stops When only supplying water, reset spring will drive protection baffle to automatically reset.
One end of the spray gun connects panel seat by water pipe and is connected to water spraying pipeline.Panel seat is connected by setting, it is convenient The connection of spray gun is arranged.
The thermocouple is arranged 4, and 4 thermocouples are arranged at equal intervals along blast furnace gas sealing cover.
Thermocouple is mounted on furnace roof tedge east, south, west, north four direction, to guarantee the accuracy of measurement, examines in real time Blast furnace in-furnace temperature is surveyed, has setting maximum temperature on HMI picture, numerical value can be modified at any time, while hand is automatically optional, when certain Side when the temperature is excessively high, can individually select the atomizing lance in the region to work, while guaranteeing that top temperature is controlled, and can will be right To minimum, flow, pressure detecting are while the flows in order to judge whether furnace roof water supply system is normal for influence control caused by blast furnace It can record again and beaten how much amount into furnace, for operator's timely adjustment working of a furnace, guarantee the stable smooth operation of blast furnace, while again may be used To prevent to fetch water due to furnace roof, the furnace roof pinking safety accident of initiation.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the spray gun of the utility model.
Description of symbols: 1- control cabinet;2- station;3- electromagnetic flowmeter;4- filter;The first high pressure water circuit of 5-; 6- catch basin;7- water discharge controller;The first high pressure water circuit of 8-;9- non-return valve;10- manually-operated gate;11- operated pneumatic valve;12- electromagnetism Flowmeter;13- blast furnace gas sealing cover;14- thermocouple;15- fetches water pipeline;16- pressure detector;17- water spout;18- protection Baffle;19- postive stop baffle;20- reset spring;21- piston;22- water pipe connects panel seat.
Specific embodiment
Below with reference to embodiment, the utility model is further illustrated.
Referring to Fig. 1 it is found that a kind of intelligent control furnace roof cooling device of the utility model, by control cabinet 1, station 2 and Furnace roof water injection system composition;The furnace roof water injection system is equipped with water spraying pipeline, and water spraying pipeline is equipped with non-return valve 9, hand-operated valve Door 10, operated pneumatic valve 11,12 water spraying pipeline of electromagnetic flowmeter one end connect water spout 17, the other end of water spraying pipeline with fetch water Pipeline 15 is connected to, and pipeline 15 of fetching water is connected to high pressure water circuit, and pipeline 15 of fetching water is equipped with pressure detector 16, and high pressure water circuit is enterprising Water end (W.E.) is successively equipped with filter 4, electromagnetic flowmeter 3 and water discharge controller 7, control cabinet 1 and the thermocouple 14 being arranged at furnace roof Electrical connection, control cabinet 1 with water spraying pipeline is set, the electromagnetic flowmeter 3 on high pressure water circuit is electrically connected, control cabinet 1 with press Force detector 16 is electrically connected, and control cabinet 1 is electrically connected with station 2.
The water spraying pipeline is arranged 8 along blast furnace gas sealing cover 13 at equal intervals.
Multiple water spraying pipelines are set, the sparge pipe of region can be utilized according to the temperature conditions of different zones in furnace Line work, targetedly Partial controll cools down.
The pipeline 15 of fetching water is annulus line, and pipeline 15 of fetching water divides for outer pipeline, interior pipeline;Outer pipeline, interior pipeline On be equipped with pressure detector 16.
By the way that outer pipeline, interior pipeline is arranged, the stability of water supply is further increased.
The high pressure water circuit is equipped with the first high pressure water circuit 5, the second high pressure water circuit 8, and the first high pressure water circuit 5 connects with outer pipeline It is logical, the second high pressure water circuit 8 and interior pipeline connection.
By the way that the first high pressure water circuit 5, the second high pressure water circuit 8 is arranged, the stability of high service can be further improved.
The water discharge controller 7 is connected to by flowing line with catch basin 6.
The setting of flowing line can prevent from causing frost crack pipe of fetching water in quenching weather, seriously affecting the temperature of blast furnace Direct motion etc..
The end of the water spraying pipeline is equipped with spray gun, and the water outlet of spray gun is equipped with water spout 17, protection baffle 18, spray gun Spray chamber body in be equipped with piston 21, piston 21 connect with one end of reset spring 20, the other end of reset spring 20 and limit Baffle 19 connects, and postive stop baffle 19 limits the motion range for rifle piston 21 of fetching water.Baffle 18 is protected, with smooth opening and can be closed It closes to form water spout 17 and protect, and good airproof performance influences working effect to prevent from being atomized the blocking for rifle of fetching water.Protect baffle 18 automatic telescopics are by water pressure pushing piston 21, and compression reseting spring 20 makes atomizing lance auto-extending, protects by limiting device The length for demonstrate,proving stroke, when furnace roof fetches water pipeline stopping water supply, reset spring 20 will drive protection baffle 18 to automatically reset.Protection Baffle 18 is connect by connecting rod with piston 21.
One end of the spray gun connects panel seat 22 by water pipe and is connected to water spraying pipeline.Panel seat, side are connected by setting Just the connection setting of spray gun.
The thermocouple 14 is arranged 4, and 4 thermocouples 14 are arranged at equal intervals along blast furnace gas sealing cover 13.
Thermocouple 14 is mounted on furnace roof tedge east, south, west, north four direction, to guarantee the accuracy of measurement, in real time Blast furnace in-furnace temperature is detected, has setting maximum temperature on HMI picture, numerical value can be modified at any time, while hand is automatically optional, when Certain side when the temperature is excessively high, can individually select the atomizing lance in the region to work, and while guaranteeing that top temperature is controlled, and can incite somebody to action To minimum, flow, pressure detecting are to judge whether furnace roof water supply system is normal, flows simultaneously for the influence control caused by blast furnace Amount can record again and beat how much amount into furnace, for operator's timely adjustment working of a furnace, guarantee the stable smooth operation of blast furnace, while again It can prevent to fetch water due to furnace roof, the furnace roof pinking safety accident of initiation.
The working principle of the present embodiment:
Piston 21 moves back and forth, when the pressure of high pressure water, completely in the cavity under the action of reset spring 20 and hydraulic pressure When can overcome the active force of reset spring 20, piston 21 can be pushed and be moved down by water, and rifle gun body of fetching water is connect with piston 21, Atomizing lance can be made integrally to move down, anti-blocking baffle smooth opening, high pressure water passes through under the action of atomizer, sprays drop The required granularity of temperature makes coal gas of high temperature mixed aerosol water achieve the purpose that cooling in the atomized water of 800-1000 microns, It when reaching required temperature setting value, closes and supplies water, hydraulic pressure reduces at this time, and reset spring 20 acts on gun body and automatically resets, simultaneously Anti-blocking baffle, which resets, closes, and prevents dust from entering gun body and blocks atomizer, influences eating effect.
Advantage of this embodiment is that:
17 spray cooling of water spout, electromagnetic current are controlled by 14 real-time monitoring furnace temperature of thermocouple, and by operated pneumatic valve 11 The flow parameter of meter 3,12, pipeline 15 of fetching water are equipped with 16 pressure parameter of pressure detector, it can be determined that furnace roof water supply system It is whether normal, while flow can record again and beat how much amount into furnace, for operator's timely adjustment working of a furnace, guarantee blast furnace Stable smooth operation, while can prevent to fetch water due to furnace roof again, the furnace roof pinking safety accident of initiation.
The above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model Sharp range, it is all with the variation of equivalent structure made by the utility model specification and accompanying drawing content, it is both contained in the utility model Interest field within.

Claims (8)

1. a kind of intelligent control furnace roof cooling device, including control cabinet, station and furnace roof water injection system, it is characterised in that: institute The furnace roof water injection system stated is equipped with water spraying pipeline, and water spraying pipeline is equipped with non-return valve, manually-operated gate, operated pneumatic valve, Electromagnetic Flow The one end for counting water spraying pipeline connects water spout, the other end of water spraying pipeline and pipeline connection of fetching water, fetch water pipeline and high pressure water circuit Connection, watering pipe road are equipped with pressure detector, and water inlet end is successively equipped with filter, electromagnetic flowmeter and draining on high pressure water circuit Controller, control cabinet are electrically connected with the thermocouple being arranged at furnace roof, control cabinet and water spraying pipeline are arranged in, on high pressure water circuit Electromagnetic flowmeter is electrically connected, and control cabinet is electrically connected with pressure detector, and control cabinet is electrically connected with station.
2. intelligent control furnace roof cooling device according to claim 1, it is characterised in that: the water spraying pipeline is along blast furnace Coal gas sealing cover is arranged 8 at equal intervals.
3. intelligent control furnace roof cooling device according to claim 1, it is characterised in that: the pipeline of fetching water is annular Pipeline, pipeline of fetching water are divided into outer pipeline, interior pipeline;Outer pipeline, inner tube road are equipped with pressure detector.
4. intelligent control furnace roof cooling device according to claim 3, it is characterised in that: the high pressure water circuit is equipped with the One high pressure water circuit, the second high pressure water circuit, the first high pressure water circuit and outer pipeline connection, the second high pressure water circuit and interior pipeline connection.
5. intelligent control furnace roof cooling device according to claim 1, it is characterised in that: the water discharge controller passes through Flowing line is connected to catch basin.
6. intelligent control furnace roof cooling device according to claim 1, it is characterised in that: the end of the water spraying pipeline Equipped with spray gun, equipped with water spout, protection baffle, the spray chamber body of spray gun is interior to be equipped with piston, piston and reset for the water outlet of spray gun One end of spring connects, and the other end of reset spring is connect with postive stop baffle, and postive stop baffle limits rifle piston total kilometres of fetching water.
7. intelligent control furnace roof cooling device according to claim 6, it is characterised in that: one end of the spray gun passes through Water pipe connection panel seat is connected to water spraying pipeline.
8. intelligent control furnace roof cooling device according to claim 1, it is characterised in that: the thermocouple is arranged 4, 4 thermocouples are arranged at equal intervals along blast furnace gas sealing cover.
CN201821022834.2U 2018-06-29 2018-06-29 A kind of intelligent control furnace roof cooling device Active CN208501023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821022834.2U CN208501023U (en) 2018-06-29 2018-06-29 A kind of intelligent control furnace roof cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821022834.2U CN208501023U (en) 2018-06-29 2018-06-29 A kind of intelligent control furnace roof cooling device

Publications (1)

Publication Number Publication Date
CN208501023U true CN208501023U (en) 2019-02-15

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Application Number Title Priority Date Filing Date
CN201821022834.2U Active CN208501023U (en) 2018-06-29 2018-06-29 A kind of intelligent control furnace roof cooling device

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111020087A (en) * 2019-12-19 2020-04-17 北京首钢股份有限公司 Blast furnace water-fetching cooling method and device
CN116790833A (en) * 2023-08-28 2023-09-22 江苏天立方环保工程有限公司 Blast furnace gas cooling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111020087A (en) * 2019-12-19 2020-04-17 北京首钢股份有限公司 Blast furnace water-fetching cooling method and device
CN116790833A (en) * 2023-08-28 2023-09-22 江苏天立方环保工程有限公司 Blast furnace gas cooling device
CN116790833B (en) * 2023-08-28 2024-01-09 江苏天立方环保工程有限公司 Blast furnace gas cooling device

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