CN205472709U - Processing apparatus of semidry method desulfurization ash - Google Patents
Processing apparatus of semidry method desulfurization ash Download PDFInfo
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- CN205472709U CN205472709U CN201620110971.6U CN201620110971U CN205472709U CN 205472709 U CN205472709 U CN 205472709U CN 201620110971 U CN201620110971 U CN 201620110971U CN 205472709 U CN205472709 U CN 205472709U
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- adsorption chamber
- activated coke
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- feed bin
- flue gas
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Abstract
The utility model discloses a processing apparatus of semidry method desulfurization ash, include: the heating furnace that double dry desulfurization ash goes on heating still is provided with the adsorption tower in the top of heating furnace, and the structure of adsorption tower includes: can place active burnt lower adsorption chamber and last adsorption chamber, it lies in the top of adsorption chamber down to go up the adsorption chamber, and it is linked together through the conveying pipeline way to go up the lower extreme of adsorption chamber and the upper end of lower adsorption chamber, cold wind cooling back that flue gas that heating semidry method desulfurization ash produced was blown out by the draught fan in the flue that admits air is reentrant to the adsorption chamber down in, active jiao in the adsorption chamber goes on adsorbing the first time to the SO2 in the flue gas down, then the flue gas enters into the adsorption chamber through the transition flue, active jiao who goes up in the adsorption chamber carries out secondary adsorption to the SO2 in the flue gas, then the flue gas gets into by discharging in the chimney behind the flue of giving vent to anger. Foretell processing apparatus of semidry method desulfurization ash double dry desulfurization ash fast carries out desulfurization process to the secondary pollution problem of semidry method desulfurization ash has been solved betterly.
Description
Technical field
This utility model relates to ironmaking field of environment protection equipment, is specifically related to carry out sintering flue gas the processing means of produced semi-dry desulphurization ash during semi-dry desulphurization.
Background technology
Sintering machine can produce substantial amounts of flue gas when sintering, containing substantial amounts of SO in flue gas2, generally use semi-dry desulphurization technology to make a return journey the SO in smoke abatement gas to reduce fume treatment cost2, use semi-dry desulphurization technology to remove SO in flue gas2 Time can produce substantial amounts of semi-dry desulphurization ash, semi-dry desulphurization ash be mainly composed of calcium sulfite and calcium sulfate, calcium sulfite and calcium sulfate can be to environments, and current semi-dry desulphurization ash generally uses the mode of landfill to process, and thus environment can be caused secondary pollution.
Utility model content
Technical problem to be solved in the utility model is: will provide the processing means of a kind of semi-dry desulphurization ash that semi-dry desulphurization ash can quickly carry out desulfurization process.
nullIn order to solve the problems referred to above，The technical solution adopted in the utility model is: the processing means of semi-dry desulphurization ash，It is characterized in: including: for the heating furnace that semi-dry desulphurization ash is heated，It is arranged above adsorption tower at heating furnace，The structure of adsorption tower includes: can place the lower adsorption chamber of activated coke and upper adsorption chamber，Upper adsorption chamber is positioned at the top of lower adsorption chamber，And the lower end of upper adsorption chamber is connected by feeding pipe with the upper end of lower adsorption chamber，The sidewall of lower adsorption chamber is respectively arranged with the first air inlet and the first gas outlet，The sidewall of upper adsorption chamber is respectively arranged with the second air inlet and the second gas outlet，And at the first air inlet、First gas outlet、Second air inlet、It is respectively arranged with at second gas outlet and can stop that activated coke leaks but does not stop that flue gas enters the ventilative striker plate in lower adsorption chamber and upper adsorption chamber，First gas outlet of lower adsorption chamber is connected by transition flue duct with the second air inlet of upper adsorption chamber，The exhanst gas outlet of heating furnace is connected by the first air inlet of inlet air stack with lower adsorption chamber，Second gas outlet of upper adsorption chamber is connected with chimney by flue of giving vent to anger，It is arranged above activated coke feed bin at upper adsorption chamber，The upper end of upper adsorption chamber is connected with activated coke feed bin by blowing pipeline，And on blowing pipeline, it is provided with the blowing trapping valve that can intercept flue gas，Activated coke feed bin can give upper adsorption chamber blowing sustainedly and stably by blowing trapping valve，The discharging trapping valve that can intercept flue gas it is provided with in the lower end of lower adsorption chamber，Lower adsorption chamber can pass through discharging trapping valve discharging sustainedly and stably；Inlet air stack is additionally provided with the bypass air channel that the air outlet with air-introduced machine is connected, also include controlling heating furnace, blowing trapping valve, discharging trapping valve, the controller of air-introduced machine, the cold front heavy rain that the flue gas that heating furnace heating semi-dry desulphurization ash produces is blown out by air-introduced machine in inlet air stack enters back in lower adsorption chamber after less than 130 DEG C, and the activated coke in lower adsorption chamber is to the SO in flue gas2Carrying out adsorbing for the first time, the flue gas then flowed out from the first gas outlet enters into upper adsorption chamber by transition flue duct, and the activated coke in upper adsorption chamber is to the SO in flue gas2Carrying out second time to adsorb, the flue gas then flowed out from the second gas outlet is discharged by chimney after entering flue of giving vent to anger.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: on feeding pipe, be additionally provided with the conveying trapping valve being controlled by the controller, under conveying trapping valve can make the activated coke in adsorption chamber enter in lower adsorption chamber and can intercept, the flue gas in adsorption chamber enters adsorption chamber from feeding pipe.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: blowing trapping valve, discharging trapping valve are star-shaped discharge valve.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: blowing trapping valve, discharging trapping valve, conveying trapping valve are star-shaped discharge valve.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: adsorption tower has been arranged side by side two lower adsorption chambers, the top of each lower adsorption chamber is all correspondingly arranged on a upper adsorption chamber, it is provided with a shared inlet air stack between two lower adsorption chambers, between two upper adsorption chambers, is provided with a shared flue of giving vent to anger.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: also including can be to the conveyer belt of activated coke feed bin charging, activated coke feed bin is additionally provided with high charge level sensor and low level sensor, high charge level sensor and low level sensor are electrically connected with the controller, when activated coke feed bin being expected, position drops to trigger low level sensor, controller can control conveying and bring the charging of activated coke feed bin, when expecting in activated coke feed bin that position rises to trigger high charge level sensor, controller can control conveyer belt and stop feeding to activated coke feed bin.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: heating furnace is the electric furnace that temperature can be made to be heated to 850～1050 DEG C.
Further, the processing means of aforesaid semi-dry desulphurization ash, wherein: the air inlet in bypass air channel is less than air outlet.
Advantage of the present utility model is: the processing means of semi-dry desulphurization ash described in the utility model can carry out desulfurization process rapidly to semi-dry desulphurization ash, thus preferably solves the secondary pollution problem of semi-dry desulphurization ash.
Accompanying drawing explanation
Fig. 1 is the structural representation of the processing means of semi-dry desulphurization ash described in the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is described in further detail.
nullAs shown in Figure 1，The processing means of semi-dry desulphurization ash，Including: for the heating furnace 2 that semi-dry desulphurization ash 11 is heated，In the present embodiment，Heating furnace 2 is that temperature can be heated to the electric furnace of 850～1050 DEG C，So arrange and semi-dry desulphurization ash can be heated to 850～1050 DEG C，The semi-dry desulphurization ash after heating is made to discharge sulfur dioxide，It is arranged above adsorption tower 3 at heating furnace 2，The structure of adsorption tower 3 includes: can place lower adsorption chamber 32 and the upper adsorption chamber 34 of activated coke，Upper adsorption chamber 34 is positioned at the top of lower adsorption chamber 32，And the lower end of upper adsorption chamber 34 is connected by feeding pipe 36 with the upper end of lower adsorption chamber 32，The both sides sidewall of lower adsorption chamber 32 is respectively arranged with the first air inlet 321 and the first gas outlet 322，The both sides sidewall of upper adsorption chamber 34 is respectively arranged with the second air inlet 341 and the second gas outlet 342，And at the first air inlet 321、First gas outlet 322、Second air inlet 341、It is respectively arranged with at second gas outlet 342 and can stop that activated coke leaks but does not stop that flue gas enters the ventilative striker plate in lower adsorption chamber 32 and upper adsorption chamber 34，First gas outlet 322 of lower adsorption chamber 32 is connected by transition flue duct 37 with the second air inlet 341 of upper adsorption chamber 34，The exhanst gas outlet 21 of heating furnace 2 is connected with the first air inlet 321 of lower adsorption chamber 32 by inlet air stack 31，Second gas outlet 342 of upper adsorption chamber 34 is connected with chimney 35 by flue 33 of giving vent to anger，In the present embodiment，Adsorption tower has been arranged side by side two lower adsorption chambers 32，The top of each lower adsorption chamber 32 is all correspondingly arranged on a upper adsorption chamber 34，A shared inlet air stack 31 it is provided with between two lower adsorption chambers 32，It is provided with a shared flue 33 of giving vent to anger between two upper adsorption chambers 34；It is arranged above activated coke feed bin 38 at upper adsorption chamber 34, on each, the upper end of adsorption chamber 34 is connected with activated coke feed bin 38 by blowing pipeline 361 respectively, and on each blowing pipeline 361, it is provided with the blowing trapping valve 39 that can intercept flue gas, activated coke feed bin 38 can give upper adsorption chamber 34 blowing sustainedly and stably by blowing trapping valve 39, be provided with the discharging trapping valve 391 that can intercept flue gas in the lower end of each lower adsorption chamber 32, lower adsorption chamber 32 can pass through discharging trapping valve 391 discharging sustainedly and stably；Inlet air stack 31 is additionally provided with the bypass air channel 61 that the air outlet with air-introduced machine 6 is connected, in the present embodiment, the air inlet in bypass air channel 61 is less than air outlet, so arrange the cold wind that air-introduced machine 6 can be made to blow out to blow out along flow of flue gas, also include controlling heating furnace 2, blowing trapping valve 39, discharging trapping valve 391, the controller 5 of air-introduced machine 6, heating furnace 2 heats the cold front heavy rain that blown out by air-introduced machine 6 in inlet air stack 31 of flue gas that semi-dry desulphurization ash 11 produces and enters back in lower adsorption chamber 32 after less than 130 DEG C, activated coke in lower adsorption chamber 32 is to the SO in flue gas2Carrying out adsorbing for the first time, the flue gas then flowed out from the first gas outlet 322 enters into upper adsorption chamber 34 by transition flue duct 37, and the activated coke in upper adsorption chamber 34 is to the SO in flue gas2Carrying out second time to adsorb, the flue gas then flowed out from the second gas outlet 342 is discharged by chimney 35 after entering flue 33 of giving vent to anger.
In the present embodiment, being additionally provided with the conveying trapping valve 392 that controlled device 5 controls on each feeding pipe 36, the flue gas that conveying trapping valve 392 can make in the lower adsorption chamber 32 of activated coke entrance in adsorption chamber 34 and can intercept in lower adsorption chamber 32 enters adsorption chamber 34 from feeding pipe 36.It addition, in the present embodiment, blowing trapping valve 39, conveying trapping valve 392, discharging trapping valve 391 are star-shaped discharge valve, star-shaped discharge valve simple in construction, and trapping performance is good.
In the present embodiment, also including can be to the conveyer belt 4 of activated coke feed bin 38 charging, activated coke feed bin 38 is additionally provided with high charge level sensor 382 and low level sensor 381, high charge level sensor 382 and low level sensor 381 electrically connect with controller 5, when activated coke feed bin 38 being expected, position drops to trigger low level sensor 381, controller 5 can control conveyer belt 4 and feed to activated coke feed bin 38, when expecting in activated coke feed bin 38 that position rises to trigger high charge level sensor 382, controller 5 can control conveyer belt 4 and stop feeding to activated coke feed bin 38.
The operation principle of the processing means of semi-dry desulphurization ash described in the utility model is: as shown in Figure 1, during work, controller 5 can make blowing trapping valve 39, conveying trapping valve 392, discharging trapping valve 391 open operation simultaneously, make the activated coke in activated coke feed bin 38 can sequentially enter in adsorption chamber 34 and lower adsorption chamber 32, then discharged by lower adsorption chamber 32；After semi-dry desulphurization ash 11 is heated to 850～1050 DEG C and is incubated a period of time by heating furnace 2, semi-dry desulphurization ash 11 can be changed into Calx, and heating furnace 2 heats the cold front heavy rain that can be blown out by air-introduced machine 6 in inlet air stack 31 of flue gas that semi-dry desulphurization ash 11 produces and enters back in lower adsorption chamber 32 after less than 130 DEG C, the activated coke in lower adsorption chamber 32 is to the SO in flue gas2Carrying out adsorbing for the first time, the flue gas then passing through lower adsorption chamber 32 enters in adsorption chamber 34 by transition flue duct 37, and the activated coke in upper adsorption chamber 34 is to the SO in flue gas2Carry out second time to adsorb, then pass through the flue gas of adsorption chamber 34 and enter to give vent to anger and discharged by chimney 35 after flue 33.Additionally, in real work, SO can be adsorbed with by what lower adsorption chamber 32 was discharged2Activated coke isolation air heating so that activated coke resolve discharge SO2, activated coke resolves the SO discharged2Can be used for producing concentrated sulphuric acid, and resolve and discharge SO2Activated coke can also put into again in adsorption tower 3 in order to adsorb SO2。
The beneficial effects of the utility model are: the processing means of described semi-dry desulphurization ash is owing to employing heating furnace, so substantial amounts of semi-dry desulphurization ash can disposably be processed, and effectively semi-dry desulphurization ash can be carried out desulfurization process, and semi-dry desulphurization ash can be changed into Calx after discharging sulfur dioxide, thus preferably solve the secondary pollution problem of semi-dry desulphurization ash.
Claims (10)
- null1. the processing means of semi-dry desulphurization ash，It is characterized in that: including: for the heating furnace that semi-dry desulphurization ash is heated，It is arranged above adsorption tower at heating furnace，The structure of adsorption tower includes: can place the lower adsorption chamber of activated coke and upper adsorption chamber，Upper adsorption chamber is positioned at the top of lower adsorption chamber，And the lower end of upper adsorption chamber is connected by feeding pipe with the upper end of lower adsorption chamber，The sidewall of lower adsorption chamber is respectively arranged with the first air inlet and the first gas outlet，The sidewall of upper adsorption chamber is respectively arranged with the second air inlet and the second gas outlet，And at the first air inlet、First gas outlet、Second air inlet、It is respectively arranged with at second gas outlet and can stop that activated coke leaks but does not stop that flue gas enters the ventilative striker plate in lower adsorption chamber and upper adsorption chamber，First gas outlet of lower adsorption chamber is connected by transition flue duct with the second air inlet of upper adsorption chamber，The exhanst gas outlet of heating furnace is connected by the first air inlet of inlet air stack with lower adsorption chamber，Second gas outlet of upper adsorption chamber is connected with chimney by flue of giving vent to anger，It is arranged above activated coke feed bin at upper adsorption chamber，The upper end of upper adsorption chamber is connected with activated coke feed bin by blowing pipeline，And on blowing pipeline, it is provided with the blowing trapping valve that can intercept flue gas，Activated coke feed bin can give upper adsorption chamber blowing sustainedly and stably by blowing trapping valve，The discharging trapping valve that can intercept flue gas it is provided with in the lower end of lower adsorption chamber，Lower adsorption chamber can pass through discharging trapping valve discharging sustainedly and stably；Inlet air stack is additionally provided with the bypass air channel that the air outlet with air-introduced machine is connected, also include controlling heating furnace, blowing trapping valve, discharging trapping valve, the controller of air-introduced machine, the cold front heavy rain that the flue gas that heating furnace heating semi-dry desulphurization ash produces is blown out by air-introduced machine in inlet air stack enters back in lower adsorption chamber after less than 130 DEG C, and the activated coke in lower adsorption chamber is to the SO in flue gas2Carrying out adsorbing for the first time, the flue gas then flowed out from the first gas outlet enters into upper adsorption chamber by transition flue duct, and the activated coke in upper adsorption chamber is to the SO in flue gas2Carrying out second time to adsorb, the flue gas then flowed out from the second gas outlet is discharged by chimney after entering flue of giving vent to anger.
- The processing means of semi-dry desulphurization ash the most according to claim 1, it is characterized in that: be additionally provided with the conveying trapping valve being controlled by the controller on feeding pipe, the flue gas that conveying trapping valve can make in the lower adsorption chamber of activated coke entrance in adsorption chamber and can intercept in lower adsorption chamber enters adsorption chamber from feeding pipe.
- The processing means of semi-dry desulphurization ash the most according to claim 1, it is characterised in that: blowing trapping valve, discharging trapping valve are star-shaped discharge valve.
- The processing means of semi-dry desulphurization ash the most according to claim 2, it is characterised in that: blowing trapping valve, discharging trapping valve, conveying trapping valve are star-shaped discharge valve.
- 5. according to the processing means of the semi-dry desulphurization ash described in claim 1 or 2 or 3 or 4, it is characterized in that: adsorption tower has been arranged side by side two lower adsorption chambers, the top of each lower adsorption chamber is all correspondingly arranged on a upper adsorption chamber, it is provided with a shared inlet air stack between two lower adsorption chambers, between two upper adsorption chambers, is provided with a shared flue of giving vent to anger.
- 6. according to the processing means of the semi-dry desulphurization ash described in claim 1 or 2 or 3 or 4, it is characterized in that: also including can be to the conveyer belt of activated coke feed bin charging, activated coke feed bin is additionally provided with high charge level sensor and low level sensor, high charge level sensor and low level sensor are electrically connected with the controller, when activated coke feed bin being expected, position drops to trigger low level sensor, controller can control conveying and bring the charging of activated coke feed bin, when activated coke feed bin being expected, position rises to trigger high charge level sensor, controller can control conveyer belt and stop feeding to activated coke feed bin.
- The processing means of semi-dry desulphurization ash the most according to claim 5, it is characterized in that: also including can be to the conveyer belt of activated coke feed bin charging, activated coke feed bin is additionally provided with high charge level sensor and low level sensor, high charge level sensor and low level sensor are electrically connected with the controller, when activated coke feed bin being expected, position drops to trigger low level sensor, controller can control conveying and bring the charging of activated coke feed bin, when expecting in activated coke feed bin that position rises to trigger high charge level sensor, controller can control conveyer belt and stop feeding to activated coke feed bin.
- 8. according to the processing means of the semi-dry desulphurization ash described in claim 1 or 2 or 3 or 4, it is characterised in that: heating furnace is the electric furnace that temperature can be made to be heated to 850～1050 DEG C.
- The processing means of semi-dry desulphurization ash the most according to claim 7, it is characterised in that: heating furnace is the electric furnace that temperature can be made to be heated to 850～1050 DEG C.
- 10. according to the processing means of the semi-dry desulphurization ash described in claim 1 or 2 or 3 or 4, it is characterised in that: the air inlet in bypass air channel is less than air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620110971.6U CN205472709U (en) | 2016-02-04 | 2016-02-04 | Processing apparatus of semidry method desulfurization ash |
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| CN201620110971.6U CN205472709U (en) | 2016-02-04 | 2016-02-04 | Processing apparatus of semidry method desulfurization ash |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540635A (en) * | 2016-02-04 | 2016-05-04 | 江苏永钢集团有限公司 | Treatment device for semi-dry desulfurized fly ash |
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- 2016-02-04 CN CN201620110971.6U patent/CN205472709U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540635A (en) * | 2016-02-04 | 2016-05-04 | 江苏永钢集团有限公司 | Treatment device for semi-dry desulfurized fly ash |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170204 |