CN203349251U - Afterburning system device of sintering waste-heat boiler - Google Patents
Afterburning system device of sintering waste-heat boiler Download PDFInfo
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- CN203349251U CN203349251U CN 201320321429 CN201320321429U CN203349251U CN 203349251 U CN203349251 U CN 203349251U CN 201320321429 CN201320321429 CN 201320321429 CN 201320321429 U CN201320321429 U CN 201320321429U CN 203349251 U CN203349251 U CN 203349251U
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- afterburning
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- heat boiler
- sintering
- waste
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Abstract
The utility model relates to an afterburning system device of a sintering waste-heat boiler. The afterburning system device of the sintering waste-heat boiler comprises a dual-pressure sintering waste-heat boiler and an inlet smoke flue, and is characterized by further comprising an afterburning device, a control cabinet and a cable, wherein an afterburning opening is formed in the wall surface of the inlet smoke flue, the afterburning device is installed on the afterburning opening of the inlet smoke flue, one end of the cable is connected with the afterburning device, and the other end of the cable is connected with the control cabinet. High-calorific value smoke generated by fuel combustion is partially mixed with waste-heat smoke to increase energy of the original smoke so as to change the smoke parameter of the waste-heat boiler; when a sintering waste heat power generation system fluctuates because of the fluctuation of sintering production, automatic adjustment can be carried out to stabilize steam parameters and guarantee generated energy, and accordingly waste heat utilization ratio of the boiler and generating efficiency of a turbine are improved, and meanwhile the service life of the boiler and the service life of the turbine are prolonged.
Description
Technical field
The utility model relates to a kind of afterburning system device of sintering exhaust-heat boiler, belongs to the sintering exhaust-heat boiler field.
Background technology
In prior art, sintering exhaust-heat boiler system waste heat recovery efficiency is not high, the sintering waste heat generating unit all there are certain requirements flue gas flow and temperature, in actual motion, operational efficiency is affected by the sintering machine production status, Gas Parameters fluctuation is larger, causes the generating set all the time can not oepration at full load, the service life of also having reduced boiler and steam turbine simultaneously.
The utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provide a kind of design more rationally, the afterburning system device of superior performance, sintering exhaust-heat boiler that the boiler afterheat utilization ratio is high.
The technical scheme in the invention for solving the above technical problem is: the afterburning system device of this sintering exhaust-heat boiler comprises two sintering exhaust-heat boiler and inlet flue ducts of pressing, inlet flue duct is connected with two sintering exhaust-heat boilers of pressing, it is characterized in that: also comprise combustion-compensating device, switch board and cable, the wall of described inlet flue duct has the afterburning mouth, and combustion-compensating device is arranged on the afterburning mouth of inlet flue duct; One end of described cable is connected with combustion-compensating device, and the other end is connected with switch board.Combustion-compensating device can be realized between 300-410 ℃ under arbitrary temperature conditions ignition trigger in time, produces the high heating value flue gas; According to flue-gas temperature, switch board can be regulated exerting oneself of combustion-compensating device and main road air quantity, realizes the automatic regulation and control to burning.
Inlet flue duct described in the utility model is horizontally disposed with, and the axis of inlet flue duct is mutually vertical with two axis of sintering exhaust-heat boiler of pressing.This that need to turn round be designed be beneficial to high-temperature flue gas in inlet flue duct with enter two sintering exhaust-heat boilers of pressing after original flue gas fully mixes.
Inlet flue duct described in the utility model cross section is a kind of in circular and square.
Afterburning mouth described in the utility model is positioned at the bottom of inlet flue duct.The afterburning mouth is preferably placed at the bottom of inlet flue duct near import one end, and the flue gas entered from import can be burnt by combustion-compensating device in time, then mixes and enters two sintering exhaust-heat boilers of pressing.
The utility model compared with prior art, have the following advantages and effect: the high heating value flue gas produced by fuel combustion by sneak into a part in the waste heat flue gas, thereby increase the energy of original flue gas, to change the Gas Parameters of waste heat boiler, when the fluctuation because of SINTERING PRODUCTION causes the sintering waste heat generating system fluctuation, can bring into play autoregulation, stablize steam parameter, guarantee generated energy, in the UTILIZATION OF VESIDUAL HEAT IN efficiency that improves boiler, raising steam turbine power generation efficiency, the service life of prolonged boiler and steam turbine.
The accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
In figure: the axis 21 of two pressure sintering exhaust-heat boilers 1, inlet flue duct 2, combustion-compensating device 3, switch board 4, cable 5, inlet flue duct, the axis 11 of two pressure sintering exhaust-heat boilers, afterburning mouth 22; Flue gas is entered by the A direction.
The specific embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail.
Referring to Fig. 1, the present embodiment comprises: two pressure sintering exhaust-heat boilers 1, inlet flue duct 2, combustion-compensating device 3, switch board 4 and cable 5, and wherein: described inlet flue duct 2 is connected with two sintering exhaust-heat boilers 1 of pressing, and flue gas can be entered by inlet flue duct 2 imports; The wall of described inlet flue duct 2 has afterburning mouth 22, and combustion-compensating device 3 is arranged on the afterburning mouth 22 of inlet flue duct 2; One end of described cable 5 is connected with combustion-compensating device 3, and the other end is connected with switch board 4.Combustion-compensating device 3 is according to two smoke characteristics of pressing sintering exhaust-heat boilers 1, can realize between 300-410 ℃ under arbitrary temperature conditions ignition trigger in time; Simultaneously, combustion-compensating device 3 is connected by cable 5 with switch board 4, according to flue-gas temperature, by switch board 4, can regulate exerting oneself of combustion-compensating device 3 and main road air quantity, realizes the automatic regulation and control to burning.
In the present embodiment, described inlet flue duct 2 is for being horizontally disposed with, and the axis 21 of inlet flue duct is mutually vertical with two axis 11 of sintering exhaust-heat boiler of pressing.After flue gas enters inlet flue duct 2, the high-temperature flue gas after combustion-compensating device 3 burnings can fully mix with original flue gas, then enters two sintering exhaust-heat boilers 1 of pressing.
In the present embodiment, described inlet flue duct cross section is circular, square or other shapes.
In the present embodiment, described afterburning mouth 22 is positioned at the bottom of inlet flue duct 2 near import one end.The flue gas entered from import can be burnt by combustion-compensating device 3 in time, then mixes and enters two sintering exhaust-heat boilers 1 of pressing.
During the utility model operation, flue gas enters inlet flue duct 2, inlet flue duct 2 is equipped with combustion-compensating device 3, according to flue-gas temperature, regulate exerting oneself and the main road air quantity of combustion-compensating device 3 by switch board 4, high-temperature flue gas after combustion-compensating device 3 burnings mixes with original flue gas in inlet flue duct 2, make two sintering exhaust-heat boiler 1 input gas temperatures of pressing raise, thereby realize the automatic adjusting when the fluctuation because of SINTERING PRODUCTION causes flue-gas temperature lower than design temperature, stablize steam parameter, guarantee generated energy, when improving steam turbine power generation efficiency, the service life of prolonged boiler and steam turbine.
According to the flue-gas temperature of two air hatch of sintering circular-cooler, boiler adopts two sections intake methods, and low-temperature zone air inlet position rationally is set, and takes full advantage of the high temperature section smoke heat energy.The utility model adopts the afterburning technology to the high temperature section flue gas in two sections flue gases, guarantee high temperature section flue gas intake air temperature, thereby press the quality of superheated steam in guaranteeing, and guarantee the stable operation of whole system, improve unit efficiency, the service life of prolonged boiler and steam turbine.
By foregoing description, those skilled in the art can implement.
In addition, it should be noted that, the specific embodiment described in this specification, as long as its part does not clearly state concrete shape and size, this part can be any shape and size that adapt with its structure; Simultaneously, the title that part is got also can be different.Allly according to the utility model, conceive equivalence or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent.
Claims (4)
1. the afterburning system device of a sintering exhaust-heat boiler, comprise two sintering exhaust-heat boiler and inlet flue ducts of pressing, inlet flue duct is connected with two sintering exhaust-heat boilers of pressing, it is characterized in that: also comprise combustion-compensating device, switch board and cable, the wall of described inlet flue duct has the afterburning mouth, and combustion-compensating device is arranged on the afterburning mouth of inlet flue duct; One end of described cable is connected with combustion-compensating device, and the other end is connected with switch board.
2. the afterburning system device of sintering exhaust-heat boiler according to claim 1, it is characterized in that: described inlet flue duct is horizontally disposed with, and the axis of inlet flue duct is mutually vertical with two axis of sintering exhaust-heat boilers of pressing.
3. the afterburning system device of sintering exhaust-heat boiler according to claim 1 and 2 is characterized in that: described inlet flue duct cross section for circular and square in a kind of.
4. the afterburning system device of sintering exhaust-heat boiler according to claim 2, it is characterized in that: described afterburning mouth is positioned at the bottom of inlet flue duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320321429 CN203349251U (en) | 2013-06-05 | 2013-06-05 | Afterburning system device of sintering waste-heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320321429 CN203349251U (en) | 2013-06-05 | 2013-06-05 | Afterburning system device of sintering waste-heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349251U true CN203349251U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320321429 Expired - Fee Related CN203349251U (en) | 2013-06-05 | 2013-06-05 | Afterburning system device of sintering waste-heat boiler |
Country Status (1)
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| CN (1) | CN203349251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
-
2013
- 2013-06-05 CN CN 201320321429 patent/CN203349251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954374A (en) * | 2018-08-16 | 2018-12-07 | 哈尔滨锅炉厂有限责任公司 | Combined Cycle Heat Recovery Boiler afterburning wind system |
| CN108954374B (en) * | 2018-08-16 | 2023-05-30 | 哈尔滨锅炉厂有限责任公司 | After-combustion air system of combined cycle waste heat boiler |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20190605 |