CN203373357U - Gas ash treatment system - Google Patents
Gas ash treatment system Download PDFInfo
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- CN203373357U CN203373357U CN201320291641.8U CN201320291641U CN203373357U CN 203373357 U CN203373357 U CN 203373357U CN 201320291641 U CN201320291641 U CN 201320291641U CN 203373357 U CN203373357 U CN 203373357U
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Abstract
The utility model discloses a gas ash treatment system which comprises an ash collection device, a storage device, a first pipeline group, a second pipeline group, valve groups, a blast furnace coal dust injection system and a blast furnace, wherein the ash collection device is connected with the storage device through the first pipeline group; the storage device is connected with the blast furnace coal dust injection system through the second pipeline group; the blast furnace coal dust injection system is connected with the blast furnace; the valve groups are arranged at different parts of the pipeline group; the storage device is placed below the ash collection device. According to the system disclosed by the utility model, the gas ash collected by the ash collection device enters the storage device through the first pipeline group and is mixed with the coal dust in the blast furnace coal dust injection system through the second pipeline group, and the mixed gas ash and coal dust are conveyed to the blast furnace and burnt, therefore, the problem of environmental pollution caused by the flying ash in a process of directly conveying the gas ash to a sintering plant is solved, the energy consumption in the gas ash conveying process is reduced, and the energy conservation, consumption reduction and environmental protection in the modern production process are realized.
Description
Technical field
The utility model belongs to blast furnace byproduct for treatment technical field, particularly a kind of system of processing for gas ash.
Background technology
Blast furnace dust is recycled various ways, be generally long flow process way of recycling, as send sintering plant to prepare burden, through flotation-gravity treatment sorting process, carry out separation and concentration as raw materials for sintering, obtain ferrous grade high ferro fine powder and powdered carbon, gas ash is delivered to indoor coal storage yard, mix that with raw coal pipeline delivers in State of Blast Furnace after grinding into powder etc.
This kind of traditional way of recycling very easily causes dust at the gas ash transport process, and the gas ash transport process need expend a large amount of power sources simultaneously, is unfavorable for the energy-saving and cost-reducing and environmental protection of advocating in the modern production operation process.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of system of processing for gas ash, overcome the problem that gas ash is sent to caused dust environmental pollution in the sintering plant process, and reduced the energy consumption in the gas ash transport process, realized the energy-saving and cost-reducing and environmental protection in the modern production operation process.
For solving the problems of the technologies described above, the utility model provides a kind of system of processing for gas ash, comprising: for the collection apparatus for ash of collecting described gas ash, for to the storage of gas ash described in described collection apparatus for ash the storage device of discharge, the first pipeline group of being transmitted for described gas ash, the second pipe group of being transmitted for described gas ash, valving, Pulverized Coal Injection System with Fuzzy and blast furnace for controlling described pipeline group break-make; Wherein, described collection apparatus for ash is connected with described storage device by described the first pipeline group; Described storage device is connected with described Pulverized Coal Injection System with Fuzzy by described second pipe group; Described Pulverized Coal Injection System with Fuzzy is connected with described blast furnace; Described pipeline group different sites place is provided with by the described valving of controlling described pipeline group break-make; Described storage device is placed in described collection apparatus for ash below, and gas ash described in described collection apparatus for ash can enter described storage device by described the first pipeline group by himself action of gravity.
Further, described storage device comprises: the winding-up tank that quantity is m; Each described winding-up tank top is connected with bottom and the sidepiece of described collection apparatus for ash respectively by described the first pipeline group; Wherein, m is more than or equal to 1 integer.
Further, described the first pipeline group comprises: with suitable the first pipeline of described winding-up tank quantity, with the suitable second pipe of described winding-up tank quantity; Described the first pipeline one end of each root is connected with described collection apparatus for ash bottom, and the described first pipeline the other end of each root connects with corresponding described winding-up tank top; And described the first pipeline of each root is corresponding one by one with each described winding-up tank upper-lower position relation; Described second pipe one end of each root is connected with described collection apparatus for ash sidepiece, and the described second pipe the other end of each root connects with corresponding described winding-up tank top; The height at described collection apparatus for ash sidepiece and described second pipe one end connecting portion place is higher than gas ash height described in described collection apparatus for ash; Described the first pipeline of each root, the described second pipe of each root are provided with described valving.
Further, described second pipe group comprises: the 3rd pipeline and the 4th pipeline; The quantity of described the 3rd pipeline and described winding-up tank quantity are suitable; One end of described the 3rd pipeline of each root connects with corresponding described winding-up tank bottom, and described the 3rd pipeline of each root is corresponding one by one with each described winding-up tank upper-lower position relation; The other end of described the 3rd pipeline of each root is connected with described the 4th pipeline, and described the 4th pipeline is connected with described Pulverized Coal Injection System with Fuzzy; Described the 3rd pipeline of each root is provided with described valving.
Further, described valving comprises: respectively with suitable the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve of described winding-up tank quantity; Described the first valve, described the second valve are successively set in described the first pipeline; Described the 3rd valve, described the 4th valve are successively set in described second pipe; Described the 5th valve is arranged in described the 3rd pipeline.
Further, also be respectively arranged with LOAD CELLS for measuring gas ash quality described in described winding-up tank on described winding-up tank, for measuring the pressure transmitter of described winding-up tank gaseous tension; Be provided with the loop expansion pipe of weighing between described the first valve, described the second valve.
Further, described collection apparatus for ash and described the first pipeline connecting portion place are provided with Fluidizer.
Further, also comprise: the 5th pipeline and gas ash divider; Described the 5th pipeline one end is connected with described Pulverized Coal Injection System with Fuzzy by described gas ash divider, and the other end is connected with described blast furnace.
Further, be provided with the 6th valve on described the 4th pipeline; Zone, described last furnace shell air port is provided with spray gun.
Further, described the first valve is manual valve or trip valve; Described the second valve is feed valve; Described the 3rd valve is diffusion valve; Described the 4th valve is equalizer valve; Described the 5th valve is blowing valve; Described the 6th valve is to help to blow valve; Described the 4th valve is between described the 3rd valve, described winding-up tank; Described collection apparatus for ash is the gas ash ash bucket.
A kind of system of processing for gas ash that the utility model provides, the gas ash that the collection apparatus for ash is collected enters storage device by the first pipeline group, and by the second pipe group, gas ash is mixed mutually with coal dust in Pulverized Coal Injection System with Fuzzy, mixed gas ash and pulverized coal conveying to blast furnace fully mixes with hot blast in stove and burns and melt, overcome with this problem that gas ash is sent to caused dust environmental pollution in the sintering plant process, and reduced the energy consumption in the gas ash transport process, realized the energy-saving and cost-reducing and environmental protection in the modern production operation process.
The accompanying drawing explanation
A kind of entire system structural representation of processing for gas ash that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment that the utility model is provided is described in further detail.
Referring to Fig. 1, a kind of system of processing for gas ash that the utility model embodiment provides comprises: for the collection apparatus for ash 1 of collecting gas ash, for to the 1 gas ash storage of collection apparatus for ash the storage device of discharge, the first pipeline group of being transmitted for gas ash, the second pipe group of being transmitted for gas ash, valving, Pulverized Coal Injection System with Fuzzy 10 and blast furnace 2 for controlling the pipeline group break-make.Wherein, collection apparatus for ash 1 bottom and sidepiece are connected with storage device by the first pipeline group respectively; Storage device is connected with Pulverized Coal Injection System with Fuzzy 10 by the second pipe group; Pulverized Coal Injection System with Fuzzy 10 is connected with blast furnace 2; Simultaneously, pipeline group different sites place is provided with by the valving of controlling the pipeline group break-make; Storage device is placed in collection apparatus for ash 1 below, and in the collection apparatus for ash, gas ash can enter storage device by the first pipeline group by himself action of gravity.
In the present embodiment, storage device comprises: the winding-up tank 3 that quantity is m; And each winding-up tank 3 top is connected with bottom and the sidepiece of collection apparatus for ash 1 respectively by the first pipeline group.Wherein, m is more than or equal to 1 integer.
In the present embodiment, the first pipeline group comprises: with suitable the first pipeline 101 of winding-up tank 3 quantity, with the suitable second pipe 102 of winding-up tank 3 quantity.Wherein, an end of each root the first pipeline 101 is connected with collection apparatus for ash 1 bottom, and the other end of each root the first pipeline 101 connects with corresponding winding-up tank 3 tops; And each root first pipeline 101 and each tank 3 upper-lower position relation corresponding (being to be provided with first pipeline 101 for the gas ash transmission between each winding-up tank 3 top and collection apparatus for ash 1 bottom) one by one of jetting.Simultaneously, one end of each root second pipe 102 is connected with collection apparatus for ash 1 sidepiece, the other end of each root second pipe 102 connects (being to be provided with a second pipe 102 for balance winding-up tank 3 and collection apparatus for ash 1 the two gaseous tension between each winding-up tank 3 top and collection apparatus for ash 1 sidepiece) with corresponding winding-up tank 3 tops, and the height at collection apparatus for ash 1 sidepiece and second pipe 102 1 end connecting portion places is higher than gas ash height in collection apparatus for ash 1, the tank 3 of avoiding jetting is carrying out gaseous interchange with collection apparatus for ash 1, in the process of the two pressure difference of balance, gas ash enters second pipe 102.On each root the first pipeline 101 and each root second pipe 102, be provided with for controlling the valving of pipeline break-make.
In the present embodiment, the second pipe group comprises: the 3rd pipeline 103 and the 4th pipeline 104.Wherein, the quantity of the 3rd pipeline 103 and the quantity of winding-up tank 3 suitable (m the 3rd pipeline 103).One end of each root the 3rd pipeline 103 connects with corresponding winding-up tank 3 bottoms, and each root the 3rd pipeline 103 is corresponding one by one with each winding-up tank 3 upper-lower position relation; The other end of each root the 3rd pipeline 103 is connected (being provided with the 3rd pipeline 103 for the gas ash transmission between each winding-up tank 3 and the 4th pipeline 104) with the 4th pipeline 104.Simultaneously, the 4th pipeline 104 is connected with Pulverized Coal Injection System with Fuzzy 10.And each root the 3rd pipeline 103 is provided with for controlling the valving of pipeline break-make.
In the present embodiment, valving comprises: respectively with tank 3 quantity suitable the first valve 201, the second valve 202, the 3rd valve 203, the 4th valve 204 and the 5th valve 205 of jetting.Wherein, the first valve 201, the second valve 202 are successively set in the first pipeline 101.The first valve 201 is for the break-make of controlling under the emergency state or under maintenance state, the first pipeline 101 gas ash are transmitted.The 3rd valve 203, the 4th valve 204 are successively set in second pipe 102.The 4th valve 204 is for the punching course of the tank 3 of jetting.The 5th valve 205 is arranged in the 3rd pipeline 103.
In the present embodiment, for ease of gaseous tension in gas ash quality and winding-up tank 3 in accurate control winding-up tank 3 in the actual job process, also be respectively arranged with LOAD CELLS 4 and pressure transmitter on winding-up tank 3, between the first valve 201, the second valve 202, also be provided with the loop expansion pipe 5 of weighing.
The present embodiment is in the actual job process, in collection apparatus for ash 1, gas ash drops in winding-up tank 3 by the first pipeline 101 under the self gravitation effect, the prerequisite of gas ash blanking is that winding-up tank 3 internal pressures approach zero with collection apparatus for ash 1 internal pressure differences, the first valve 201, the second valve 202, the 3rd valve 203 be in open mode, and the 4th valve 204, the 5th valve 205 are in closing condition.The blanking process starts, and when LOAD CELLS 4 displayed values reach the first set(ting)value (gas ash high charge level), winding-up tank 3 stops charging, closes successively the first valve 201, the second valve 202, the 3rd valve 203.Open the 4th valve 204, the tank 3 of now jetting starts to start pressurising by the 4th valve 204.When winding-up tank 3 tank internal pressures reach the pressure transmitter set(ting)value, Plenum Process finishes, and opens the 5th valve 205, and the winding-up process starts, and now gas ash starts to enter the 4th pipeline 104 by the 3rd pipeline 103.When LOAD CELLS 4 displayed values reach the second set(ting)value (gas ash is hanged down material level), the winding-up end of processing, close the 5th valve 205, open the 3rd valve 203, when winding-up tank 3 internal pressures and collection apparatus for ash 1 internal pressure differences approach zero, open successively the first valve 201, the second valve 202, the blanking process starts, and winding-up tank 3 enters the next winding-up cycle.
Wherein, the winding-up tank 3 that quantity is m can be selected winding-up in parallel (winding-up simultaneously) in the actual job process, and also optional choosing friends replaced or the interruption winding-up.For example: when m=2, the operation of can simultaneously being jetted of two winding-up tanks; Also can select the operation of being jetted, another,, in treating the winding-up state, hockets with this.
Wherein, owing between the first valve 201 and the second valve 202, can having internal pressure when the actual job, the existence of this internal pressure affects the accurate-metering of LOAD CELLS 4.Therefore, the present embodiment is set up the loop expansion pipe 5 of weighing between the first valve 201 and the second valve 202; Weigh loop expansion pipe 5 on the one hand as being flexible coupling to disconnect being rigidly connected between tank 3 and collection apparatus for ash 1 of jetting, solve because the first pipeline 201 exists interior swaging to become blind plate power and then acts on winding-up tank 3 and cause the inaccurate problem of weighing with LOAD CELLS 4 coupling operations on the other hand.
In the present embodiment, for ease of gas ash in collection apparatus for ash 1, enter winding-up tank 3 by the first pipeline 101 smoothly, in collection apparatus for ash 1 and the first pipeline 101 junctions, can set up Fluidizer.
In the present embodiment, also have additional the 5th pipeline 105 and gas ash divider 7 between Pulverized Coal Injection System with Fuzzy 10 and blast furnace 2.Wherein, the 5th pipeline 105 1 ends are connected with Pulverized Coal Injection System with Fuzzy 10 by gas ash divider 7; The 5th pipeline 105 the other ends are connected with blast furnace 2.Preferably, the 4th pipeline 104 is winding-up house steward (can adopt abrasion-proof pipe to extend pipeline work-ing life), and the 5th pipeline 105 is the winding-up arm, and the winding-up arm quantity 1/4-1/2 that is blast furnace 2 air port sums.
In the present embodiment, for preventing the 4th pipeline 104(winding-up house steward), the 5th pipeline 105(winding-up arm) stop up, can enter the 6th valve 206 away from a termination of blast furnace 2 in the 4th pipeline 104, can pass into ambient atmos by the 6th valve in the actual job process and be convenient to the circulation of gas ash between pipeline 104-105, and then smoothly with coal dust, enter blast furnace 2 and burn.
In the present embodiment, blast furnace 2 zones, furnace shell air port also can arrange spray gun 8, for evenly jetting in blast furnace 2 cupola well surroundings after gas ash and coal dust mixing, also can reduce the wearing and tearing to blast furnace 2 furnace shell air ports of gas ash and coal dust.Simultaneously, when stopping gas ash and breeze blowing, can be by the 5th pipeline 105 or the cooling spray gun 8 of the 4th pipeline 104 access air compression system.
In the present embodiment, the first valve 201 is manual valve or trip valve; The second valve 202 is feed valves; The 3rd valve 203 is diffusion valves; The 4th valve 204 is equalizer valves; The 5th valve 205 is blowing valves; The 6th valve 206 is to help to blow valve; And the 4th valve 204 is between the 3rd valve 203, winding-up tank 3.
Preferably, when the first valve 201 is trip valve, can also set up manual valve 211 between apparatus for ash 1 in the first valve 201 and collection, cut off collection apparatus for ash 1 and jet being connected between tank 3 when overhauling trip valve.
Preferably, collection apparatus for ash 1 is the gas ash ash bucket in gravity blast furnace dust catcher or tornado dust collector, and a kind of system of processing for gas ash that the present embodiment provides can be carried out actual job for the recycle of gas ash.
A kind of system of processing for gas ash that the utility model provides, its beneficial effect is as described below:
1, will collect apparatus for ash 1(gas ash ash bucket) gas ash of collecting is by the 3 fluidisations pressurizations of winding-up tank, and mix and be transported to gas ash divider 7 with coal dust in Pulverized Coal Injection System with Fuzzy 10 by the 4th pipeline 104, the 5th pipeline 105(winding-up arm through being connected with gas ash divider 7) gas ash and coal dust are delivered to blast furnace 2 furnace shell air ports (or blast-furnace tuyere zone) with the interior hot blast of stove, fully mix and burn and melt; Overcome the problem that gas ash is sent to caused dust environmental pollution in the sintering plant process, and reduced the energy consumption in the gas ash transport process, realized the energy-saving and cost-reducing and environmental protection in the modern production operation process.
2, second pipe 102 and the 3rd valve 203 are set and are convenient to control the internal pressure differences between collection apparatus for ash 1 and winding-up tank 3, and then realize that gas ash enters winding-up tank 3 by the first pipeline 101 smoothly.
3, Fluidizer 6(fluidizing agent is set as nitrogen in collection apparatus for ash 1 and the first pipeline 101 junctions (integrating apparatus for ash 1 discharge gate place)), can, in gas ash blanking process, playing and help the stream effect, be convenient to the smooth blanking of gas ash.
4, by between the first valve 201, the second valve 202, setting up the loop expansion pipe of weighing, as being flexible coupling to disconnect being rigidly connected between tank 3 and collection apparatus for ash 1 of jetting, solving because the first pipeline 201 exists interior swaging to become blind plate power and then acts on winding-up tank 3 and cause the inaccurate problem of weighing with LOAD CELLS 4 coupling operations on the other hand on the one hand.
5, a plurality of winding-up tanks 3 are set, can realize winding-up in parallel or alternate blowing or be interrupted winding-up.
6, enter the 6th valve 206 in the 4th pipeline 104 away from a termination of blast furnace 2, can pass into ambient atmos by the 6th valve and be convenient to the circulation of gas ash between pipeline 104-105, prevent that pipeline 104-105 from stopping up.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a system of processing for gas ash, it is characterized in that, comprising: for the collection apparatus for ash of collecting described gas ash, for to the storage of gas ash described in described collection apparatus for ash the storage device of discharge, the first pipeline group of being transmitted for described gas ash, the second pipe group of being transmitted for described gas ash, valving, Pulverized Coal Injection System with Fuzzy and blast furnace for controlling described pipeline group break-make; Wherein,
Described collection apparatus for ash is connected with described storage device by described the first pipeline group;
Described storage device is connected with described Pulverized Coal Injection System with Fuzzy by described second pipe group;
Described Pulverized Coal Injection System with Fuzzy is connected with described blast furnace;
Described pipeline group different sites place is provided with by the described valving of controlling described pipeline group break-make;
Described storage device is placed in described collection apparatus for ash below, and gas ash described in described collection apparatus for ash can enter described storage device by described the first pipeline group by himself action of gravity.
2. the system of processing for gas ash according to claim 1, is characterized in that, described storage device comprises: the winding-up tank that quantity is m;
Each described winding-up tank top is connected with bottom and the sidepiece of described collection apparatus for ash respectively by described the first pipeline group;
Wherein, m is more than or equal to 1 integer.
3. the system of processing for gas ash according to claim 2, is characterized in that, described the first pipeline group comprises:
With suitable the first pipeline of described winding-up tank quantity, with the suitable second pipe of described winding-up tank quantity;
Described the first pipeline one end of each root is connected with described collection apparatus for ash bottom, and the described first pipeline the other end of each root connects with corresponding described winding-up tank top; And described the first pipeline of each root is corresponding one by one with each described winding-up tank upper-lower position relation;
Described second pipe one end of each root is connected with described collection apparatus for ash sidepiece, and the described second pipe the other end of each root connects with corresponding described winding-up tank top;
The height at described collection apparatus for ash sidepiece and described second pipe one end connecting portion place is higher than gas ash height described in described collection apparatus for ash;
Described the first pipeline of each root, the described second pipe of each root are provided with described valving.
4. the system of processing for gas ash according to claim 2, is characterized in that, described second pipe group comprises: the 3rd pipeline and the 4th pipeline;
The quantity of described the 3rd pipeline and described winding-up tank quantity are suitable;
One end of described the 3rd pipeline of each root connects with corresponding described winding-up tank bottom, and described the 3rd pipeline of each root is corresponding one by one with each described winding-up tank upper-lower position relation;
The other end of described the 3rd pipeline of each root is connected with described the 4th pipeline, and described the 4th pipeline is connected with described Pulverized Coal Injection System with Fuzzy;
Described the 3rd pipeline of each root is provided with described valving.
5. according to the described system of processing for gas ash of claim 3 or 4, it is characterized in that, described valving comprises:
Respectively with suitable the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve of described winding-up tank quantity;
Described the first valve, described the second valve are successively set in described the first pipeline;
Described the 3rd valve, described the 4th valve are successively set in described second pipe;
Described the 5th valve is arranged in described the 3rd pipeline.
6. the system of processing for gas ash according to claim 5 is characterized in that:
Also be respectively arranged with LOAD CELLS for measuring gas ash quality described in described winding-up tank on described winding-up tank, for measuring the pressure transmitter of described winding-up tank gaseous tension;
Be provided with the loop expansion pipe of weighing between described the first valve, described the second valve.
7. the system of processing for gas ash according to claim 3 is characterized in that:
Described collection apparatus for ash and described the first pipeline connecting portion place are provided with Fluidizer.
8. the system of processing for gas ash according to claim 1, is characterized in that, also comprises: the 5th pipeline and gas ash divider;
Described the 5th pipeline one end is connected with described Pulverized Coal Injection System with Fuzzy by described gas ash divider, and the other end is connected with described blast furnace.
9. the system of processing for gas ash according to claim 4 is characterized in that:
Be provided with the 6th valve on described the 4th pipeline;
Zone, described last furnace shell air port is provided with spray gun.
10. the device for the gas ash recycle according to claim 5 is characterized in that:
Described the first valve is manual valve or trip valve; Described the second valve is feed valve; Described the 3rd valve is diffusion valve; Described the 4th valve is equalizer valve; Described the 5th valve is blowing valve; Described the 6th valve is to help to blow valve;
Described the 4th valve is between described the 3rd valve, described winding-up tank;
Described collection apparatus for ash is the gas ash ash bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320291641.8U CN203373357U (en) | 2013-05-24 | 2013-05-24 | Gas ash treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320291641.8U CN203373357U (en) | 2013-05-24 | 2013-05-24 | Gas ash treatment system |
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| CN203373357U true CN203373357U (en) | 2014-01-01 |
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| CN201320291641.8U Expired - Fee Related CN203373357U (en) | 2013-05-24 | 2013-05-24 | Gas ash treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399609A (en) * | 2016-12-07 | 2017-02-15 | 中冶南方工程技术有限公司 | Process system and method for blast furnace injection sintering mine returning |
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2013
- 2013-05-24 CN CN201320291641.8U patent/CN203373357U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399609A (en) * | 2016-12-07 | 2017-02-15 | 中冶南方工程技术有限公司 | Process system and method for blast furnace injection sintering mine returning |
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