CN203613211U - Blast furnace gas sprinkling systems - Google Patents
Blast furnace gas sprinkling systems Download PDFInfo
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- CN203613211U CN203613211U CN201320681256.4U CN201320681256U CN203613211U CN 203613211 U CN203613211 U CN 203613211U CN 201320681256 U CN201320681256 U CN 201320681256U CN 203613211 U CN203613211 U CN 203613211U
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Abstract
The utility model discloses blast furnace gas sprinkling systems. Each system comprises a water way system, a gas path system and a plurality of spray guns arranged on a gas conveying pipeline, wherein the water way system is used for providing sprayed water with preset pressure and flow; and the gas path system is used for providing sprayed gas with preset pressure and flow. According to the utility model, two sets of blast furnace gas sprinkling systems are adopted to perform blast furnace gas sprinkling, through ejection of the spray guns, fluid air atomizing nozzles are adopted to spray into the pipeline, when atomized small-particle water drops are combined with high-temperature gas, evaporation is rapidly performed and heat is taken away, and the high-temperature gas is cooled; and when one set of sprinkling system breaks down severely, the other set of sprinkling system is started to maintain the whole system, the whole system is enabled to be in the working state, so that temperature stability of the gas pipeline during the cooling process is guaranteed, and normal work can be guaranteed when the blast furnace gas sprinkling process breaks down.
Description
Technical field
The utility model relates to a kind of blast furnace gas of field of metallurgy and processes equipment, particularly a kind of blast furnace gas spraying cooling system.
Background technology
Current dedusting of blast furnace gas can be divided into wet dust removal and the large class of dry gas cleaning two, dry gas cleaning is compared with wet dust removal, energy-conserving and environment-protective, and bag-type dust in dry gas cleaning has compared with other dry gas cleaning modes that reliability is high, efficiency of dust collection advantages of higher, therefore sack cleaner has reached a large amount of employings in current dedusting of blast furnace gas.But the raw gas temperature of blast-furnace smelting is high, raw gas carries out before dedusting entering sack cleaner, and temperature should be cooled to and be no more than 200 ℃, to avoid burning out the cloth bag of sack cleaner.In existing dedusting of blast furnace gas technique, coal gas before sack cleaner is cooling normally synchronizes with the gravitational dust collection before bag-type dust and carries out.Concrete, in gravitational precipitator, when raw gas is carried out to dedusting, carry out cooling by direct water spray to coal gas of high temperature.This cooling method makes whole dust collecting process become incomplete dry gas cleaning, therefore can not bring into play the advantage of dry gas cleaning energy-conserving and environment-protective completely, and especially water consumption is large, and the processing containing mud waste water of being discharged by gravitational precipitator is all unfavorable for energy-conserving and environment-protective.
Because blast-furnace smelting is a comparatively complicated process, therefore raw gas temperature fluctuates, it is not a steady state value, will be by gas temperature control within the limits prescribed, just need to control water yield size and the spray effect of water coolant, but existing blast furnace heating gas spraying ventilating device system is by mist cooling mode, gas temperature to be cooled to after certain temperature, gives main line and produce use.In the time that catastrophe failure appears in system, whole system is in failure state, or uncontrollable spray gun continuation spray, therefore in temperature-fall period, cannot guarantee the temperature-stable of gas line.This will have a strong impact on the production of blast furnace.
Therefore need a kind of system that also can normally work of can guaranteeing in the time that blast furnace gas spray process breaks down.
Utility model content
In view of this, technical problem to be solved in the utility model is to provide a kind of system that also can normally work in the time that blast furnace gas spray process breaks down of can guaranteeing.
The utility model is achieved through the following technical solutions:
The blast furnace gas sprinkling system that the utility model provides, comprises water circuit system, air-channel system and is arranged at multiple spray guns of carrying on gas line; Described water circuit system, for providing the water spray of preset pressure and flow to spray gun; Described air-channel system, for providing the jet of preset pressure and flow to spray gun.
Further, described water circuit system comprises waterpipe and topping-up pump group, and described waterpipe is connected with topping-up pump group, and the topping-up pump in described topping-up pump group is connected with each spray gun respectively.
Further, described air-channel system comprises the pressure regulator valve being arranged on nitrogen pipeline; The output terminal of described pressure regulator valve is connected with each spray gun respectively.
Further, described topping-up pump group comprises first group of topping-up pump, second group of topping-up pump and hand valve for being connected first group of topping-up pump and second group of topping-up pump; Described first group of topping-up pump comprises the first topping-up pump, the second topping-up pump; Described second group of topping-up pump comprises the 3rd topping-up pump, the 4th topping-up pump, the 5th topping-up pump; Described first topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described second topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 3rd topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 4th topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 5th topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; The output terminal of described pressure regulator valve is connected with spray gun respectively.
Further, also comprise shunting cabinet, described water circuit system and air-channel system are arranged in shunting cabinet.
Further, also comprise power distribution cabinet, described power distribution cabinet is for controlling the unlatching of spray gun.
The beneficial effects of the utility model are: the utility model adopts two groups of sprinkling systems to carry out blast furnace gas spray, through the injection of spray gun, spray in pipeline by fluid air atomization nozzle, after the tiny water droplet of the particle of atomization is combined with coal gas of high temperature, evaporate rapidly and take away heat, realize the cooling of coal gas of high temperature, in the time there is catastrophe failure in a certain group of spray of system, enable another group sprinkling system and maintain whole system, make whole system still in running order, therefore in temperature-fall period, guarantee the temperature-stable of gas line, guaranteed the system that also can normally work in the time that blast furnace gas spray process breaks down.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
The blast furnace gas sprinkling system structure iron that Fig. 1 provides for the utility model embodiment.
In figure, 1, waterpipe; 2, topping-up pump; 3, pressure regulator valve; 4, spray gun.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection domain of the present utility model.
The blast furnace gas sprinkling system structure iron that Fig. 1 provides for the utility model embodiment, as shown in the figure: the blast furnace gas sprinkling system that the utility model provides, comprises water circuit system, air-channel system and be arranged at multiple spray guns of carrying on gas line;
Described water circuit system, for providing the water spray of preset pressure and flow to spray gun;
Described air-channel system, for providing the jet of preset pressure and flow to spray gun.
Described water circuit system comprises 2 groups of waterpipe 1 and topping-up pumps, and described waterpipe 1 is connected with 2 groups of topping-up pumps, and the topping-up pump 2 in 2 groups of described topping-up pumps is connected with each spray gun 4 respectively.
Described air-channel system comprises the pressure regulator valve 3 being arranged on nitrogen pipeline; The output terminal of described pressure regulator valve 3 is connected with each spray gun 4 respectively.
Described topping-up pump group comprises first group of topping-up pump, second group of topping-up pump and hand valve for being connected first group of topping-up pump and second group of topping-up pump; Described first group of topping-up pump comprises the first topping-up pump, the second topping-up pump; Described second group of topping-up pump comprises the 3rd topping-up pump, the 4th topping-up pump, the 5th topping-up pump; One end of described first topping-up pump to the five each topping-up pump of topping-up pump is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; The output terminal of pressure regulator valve is connected with spray gun respectively.
Spray gun in the present embodiment comprises that the first spray gun, the second spray gun, the 3rd spray gun, the 4th spray gun are until the tenth spray gun;
Described the first topping-up pump is connected with the first spray gun, the second spray gun that are arranged on conveying gas line;
Described the second topping-up pump is connected with the 3rd spray gun, the 4th spray gun that are arranged on conveying gas line;
Described the 3rd topping-up pump is connected with the 5th spray gun, the 6th spray gun that are arranged on conveying gas line;
Described the 4th topping-up pump is connected with the 7th spray gun, the 8th spray gun that are arranged on conveying gas line;
Described the 5th topping-up pump is connected with the 9th spray gun, the tenth spray gun that are arranged on conveying gas line;
The output terminal of described pressure regulator valve is connected with the first spray gun, the second spray gun, the 3rd spray gun, the 4th spray gun, the 5th spray gun the 6th spray gun, the 7th spray gun, the 8th spray gun, the 9th spray gun and the tenth spray gun respectively.
Also comprise shunting cabinet, described water circuit system and air-channel system are arranged in shunting cabinet.
Also comprise power distribution cabinet, described power distribution cabinet is for controlling the first spray gun, the second spray gun, the 3rd spray gun, the 4th spray gun until the unlatching of the tenth spray gun.
In the present embodiment, adopt two spray guns of each water pump control, and each water pump is all independently subject to the control of power distribution cabinet, controls the quantity of spray gun by opening water pump, thereby reach the object that regulates water spray, make the gas temperature of pipeline exit reach stable.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (4)
1. blast furnace gas sprinkling system, is characterized in that: comprise water circuit system, air-channel system and be arranged at multiple spray guns of carrying on gas line; Described water circuit system, for providing the water spray of preset pressure and flow to spray gun; Described air-channel system, for providing the jet of preset pressure and flow to spray gun; Described water circuit system comprises waterpipe and topping-up pump group, and described waterpipe is connected with topping-up pump group, and the topping-up pump in described topping-up pump group is connected with each spray gun respectively; Described air-channel system comprises the pressure regulator valve being arranged on nitrogen pipeline; The output terminal of described pressure regulator valve is connected with each spray gun respectively.
2. blast furnace gas sprinkling system according to claim 1, is characterized in that: described topping-up pump group comprises first group of topping-up pump, second group of topping-up pump and hand valve for being connected first group of topping-up pump and second group of topping-up pump; Described first group of topping-up pump comprises the first topping-up pump, the second topping-up pump; Described second group of topping-up pump comprises the 3rd topping-up pump, the 4th topping-up pump, the 5th topping-up pump; Described first topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described second topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 3rd topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 4th topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; Described the 5th topping-up pump one end is connected with water inlet pipe, and the other end is provided with two for the spray gun to carrying spray water in gas line; The output terminal of described pressure regulator valve is connected with spray gun respectively.
3. blast furnace gas sprinkling system according to claim 1, is characterized in that: also comprise shunting cabinet, described water circuit system and air-channel system are arranged in shunting cabinet.
4. blast furnace gas sprinkling system according to claim 1, is characterized in that: also comprise power distribution cabinet, described power distribution cabinet is for controlling the unlatching of spray gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681256.4U CN203613211U (en) | 2013-10-30 | 2013-10-30 | Blast furnace gas sprinkling systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681256.4U CN203613211U (en) | 2013-10-30 | 2013-10-30 | Blast furnace gas sprinkling systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613211U true CN203613211U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681256.4U Expired - Fee Related CN203613211U (en) | 2013-10-30 | 2013-10-30 | Blast furnace gas sprinkling systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203613211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499873A (en) * | 2021-07-23 | 2021-10-15 | 张同胜 | Multi-system integrated powder sprayer and using method thereof |
-
2013
- 2013-10-30 CN CN201320681256.4U patent/CN203613211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113499873A (en) * | 2021-07-23 | 2021-10-15 | 张同胜 | Multi-system integrated powder sprayer and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20181030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |