CN210772191U - Chicken manure boiler capable of fully combusting - Google Patents
Chicken manure boiler capable of fully combusting Download PDFInfo
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- CN210772191U CN210772191U CN201921742946.XU CN201921742946U CN210772191U CN 210772191 U CN210772191 U CN 210772191U CN 201921742946 U CN201921742946 U CN 201921742946U CN 210772191 U CN210772191 U CN 210772191U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a sufficient chicken manure boiler burns, which comprises a hearth, cyclone and perpendicular flue, be equipped with sealed wind air intake and broadcast material wind air intake on the blanking pipe of being connected with furnace, be equipped with the air intake of burning on the bed on the furnace wall, be equipped with the over heater in the perpendicular flue, the economizer, air preheater and overgrate air preheater once, air preheater has three groups at least, wherein, a set of air preheater arranges between over heater and economizer, all the other air preheater once and overgrate air preheater equipartition are put at the back of economizer, air preheater once passes through tuber pipe and sealed wind air intake and broadcast material wind air intake intercommunication, overgrate air preheater passes through secondary tuber pipe and air intake intercommunication of burning on the bed. The utility model discloses a carry a set of wind air preheater to over heater and economizer within a definite time, improve the sealed wind of boiler and broadcast material wind temperature, let the intraductal fuel of blanking obtain preheating, guarantee that chicken manure fuel burns fast, stable, relatively more completely.
Description
Technical Field
The utility model relates to a boiler equipment field especially relates to a chicken manure boiler that burns fully.
Background
An effective way for reusing chicken manure power generation as renewable energy is to use the mixed waste of chicken manure and rice husk as fuel and a chicken manure boiler as incineration equipment, and convert the heat energy generated by incineration into electric energy. A chicken manure boiler comprises a hearth 12, a cyclone separator 13 and a vertical flue 14 which are sequentially connected, as shown in figure 1, wherein the hearth 12 is connected with a blanking pipe 11, the blanking pipe 11 is provided with a sealing air inlet 111 for introducing sealing air to prevent high-temperature flue gas from flowing backwards and a material sowing air inlet 112 for introducing material sowing air to sow materials, and the peripheral wall of the hearth 12 is provided with an air inlet 121 for introducing bed combustion air to support combustion. In the existing chicken manure boiler, most of the sealing air inlet 111 and the seeding air inlet 112 are connected with primary cold air, namely, the primary cold air is used as the sealing air and the seeding air, because the temperature of the primary cold air is 0-35 ℃, fuel cannot be preheated when passing through the blanking pipe 11, and the heating combustion is started after falling into the hearth 12, however, the mixed waste fuel of chicken manure and rice husk has high moisture and low calorific value, the low calorific value is about 1700 kilocalories, the moisture accounts for about 40%, the chicken manure fuel with low calorific value and high moisture is evaporated greatly after entering the boiler, the temperature in the hearth 12 is taken away, the combustion temperature in the hearth 12 is only 800 ℃ usually, and the designed temperature of 830 ℃ cannot be reached, the phenomena of unstable and incomplete combustion of the chicken manure in the hearth 12 and even after-combustion of the boiler are caused, the efficiency of the boiler is not only reduced, and the safe operation of the boiler is seriously influenced, so that the safe and economic operation of the boiler unit cannot be guaranteed.
Disclosure of Invention
An object of the utility model is to provide a chicken manure boiler that burns fully.
Realize the utility model discloses the technical scheme of purpose is: a chicken manure boiler with full combustion comprises a hearth, a cyclone separator and a vertical flue which are sequentially connected, wherein the hearth is connected with a blanking pipe, the blanking pipe is provided with a sealing air inlet and a material spreading air inlet, the wall of the hearth is provided with an air inlet for combustion on a bed, the vertical flue is internally provided with a superheater, an economizer, a primary air preheater and a secondary air preheater, the superheater is arranged in front of the economizer along the flow direction of flue gas in the vertical flue, the primary air preheater is at least three groups, one group of primary air preheaters are arranged between the superheater and the economizer, the rest primary air preheaters and the rest secondary air preheaters are both arranged behind the economizer, the chicken manure boiler with full combustion further comprises a primary fan and a secondary fan, the primary fan is sequentially communicated with all the primary air preheaters from back to front through primary air pipes according to the arrangement positions of the primary air preheaters in the vertical flue, and the secondary fan is communicated with the secondary air preheater sequentially from back to front through a secondary air pipe according to the arrangement position of the secondary air preheater in the vertical flue, and then communicated to the air inlet of the air for burning on the bed.
Furthermore, one wall of the hearth connected with the blanking pipe is used as a front wall of the hearth, the wall opposite to the front wall is used as a rear wall of the hearth, and the number of the bed combustion air inlets distributed on the front wall of the hearth is more than that of the bed combustion air inlets distributed on the rear wall of the hearth. The utility model discloses, because of the intraductal sealed wind of blanking and the broadcast material wind temperature is higher, the higher sealed wind of temperature in the blanking pipe and broadcast material wind get into furnace along the blanking pipe after, with by the secondary tuber pipe, the bed is burnt with the wind air intake and is entered into the overgrate air in the furnace equally, can be used as the bed and burn with the wind, provide oxygen for the burning of fuel in the furnace, so calculate the blanking pipe and get into furnace's sealed wind and broadcast material wind after, for by furnace front wall, the bed that the rear wall got into furnace is burnt with the wind more balanced, the combustion chamber is more even in the furnace, better, the quantity of the bed that distributes on the wall on the furnace front wall burns with the wind air intake is more than the quantity of the bed that distributes on the wall on the furnace rear wall with the wind air intake, bed that distributes on the wall on the furnace front wall burns with the wind air intake is three, the bed that distributes on the wall behind the furnace is five.
Further, the primary air pre-heaters are divided into three groups. The utility model discloses, can reach 290 ℃ for making the interior wind of a tuber pipe, need guarantee that an air preheater has assorted heat exchange surface, the utility model discloses in, the quantity of an air preheater need set up more than three groups at least, like three groups, four groups or five groups, consider installation space's limitation and manufacturing cost problem in the perpendicular flue, this real novel an air preheater sets up three groups and is the preferred.
Further, the secondary air pre-heater has two groups. The utility model discloses, overgrate air preheater can be a set of, two groups or multiunit, because the back of economizer is all located to overgrate air preheater, and secondary wind heat exchange rear temperature is lower relatively, for the heat exchange surface of increase overgrate air, further promotes the temperature of overgrate air, reduces the laying dust in the overgrate air preheater, simultaneously, considers mounting space's in the perpendicular flue limitation and manufacturing cost problem, and preferably, overgrate air preheater sets up two sets ofly.
Further, the secondary air pre-heater is positioned between the two groups of primary air pre-heaters behind the economizer. The utility model discloses, overgrate air preheater can be located the preceding of the hou mian air preheater of economizer, also can be located the back of the hou mian air preheater of economizer, crosses lowly for avoiding the overgrate air temperature, produces the laying dust in it, and better, overgrate air preheater is located between the hou mian two sets of air preheater of economizer.
The utility model discloses chicken manure boiler with full combustion, through letting the air pipe that is communicated with sealed air inlet and material-spreading air inlet, and the air of its interior is supplied with as boiler sealed air and material-spreading air pass through the primary air pre-heater arranged in the vertical flue, and carry one group of primary air pre-heaters to between superheater and economizer, make the primary air temperature that passes through the primary air pre-heater and carries out heat exchange with the flue gas in the vertical flue rise gradually, until in the primary air pre-heater between superheater and economizer, and after passing through the superheater, but not passing through the economizer, still have the flue gas heat exchange of higher temperature, the primary air temperature reaches about 290 ℃, the primary air of this temperature up to about 290 ℃ is sent to sealed air inlet and material-spreading air inlet, as boiler sealed air and material-spreading air supply, high temperature sealed air and material-spreading air can make the fuel in the pipe obtain, moisture in the fuel gets the evaporation, and the fuel falls into the furnace along the blanking pipe in the back, and is little to the influence of the interior burning temperature of furnace, and the interior burning temperature of furnace can reach 830 ℃ of design temperature, and it has not only guaranteed that the chicken manure fuel burns fast, stable, relatively more completely, improves the efficiency of boiler, has still guaranteed boiler operation security.
Drawings
FIG. 1 is a schematic structural diagram of a conventional chicken manure boiler;
FIG. 2 is a schematic view of the boiler with chicken manure fully combusted according to the present invention
The flue gas flow direction in the vertical flue is shown, and arrows on the primary air pipe and the secondary air pipe show the flow directions of primary air and secondary air;
fig. 3 is a distribution sketch of an air inlet for air for combustion on the bed of a hearth of the chicken manure boiler with full combustion.
Detailed Description
The following detailed description of the embodiments of the chicken manure boiler with complete combustion according to the present invention will be made with reference to the accompanying drawings:
as shown in figure 2, the chicken manure boiler capable of fully combusting comprises a hearth 3, a cyclone separator 4 and a vertical flue 5 which are sequentially connected, wherein the hearth 3 is connected with a blanking pipe 2, the blanking pipe 2 is provided with a sealing air inlet 21 and a material spreading air inlet 22, the wall of the hearth 3 is provided with an air inlet 31 for bed combustion, the vertical flue 5 is internally provided with a superheater 51, an economizer 52, a primary air preheater 53 and a secondary air preheater 54, the superheater 51 is arranged in front of the economizer 52 along the flow direction of smoke in the vertical flue 5, the primary air preheater 53 comprises at least three groups, one group of primary air preheaters 53 is arranged between the superheater 51 and the economizer 52, the rest primary air preheaters 53 and the rest secondary air preheaters 54 are arranged behind the economizer 52, the flue further comprises a primary fan 6 and a secondary fan 7, and the primary fan 6 and all the primary air preheaters 53 are arranged in the vertical flue 5 from the arrangement positions thereof in the vertical flue 5 through a primary air pipe 61 And the secondary fan 7 is communicated with the secondary air preheater 54 from back to front in sequence according to the arrangement position of the secondary air preheater in the vertical flue 5 and then communicated to the air inlet 31 for burning on the bed.
The utility model discloses the abundant chicken manure boiler of burning, in the during operation, fuel falls into furnace 3 by blanking pipe 2 in, after burning in furnace 3, the flue gas gets into cyclone 4, under cyclone 4's effect, unburnt completely, the great fuel of volume is separated in by the flue gas, continue burning in returning furnace 3, the flue gas of separating the complete fuel of unburnt then gets into perpendicular flue 5, with arrange discharge after the over heater 51 in perpendicular flue 5, economizer 52, a wind air preheater 53 and overgrate air preheater 54 heat exchange.
The utility model discloses the abundant chicken manure boiler of burning, the 6 effects of air blower makes and produces the air in the air hose 61, and the air that produces in the air hose 61 is through the air preheater 53 of air more than three groups, and with the flue gas heat exchange back in the perpendicular flue 5, send to sealed wind air intake 21 and broadcast material wind air intake 22 on the blanking pipe 2 respectively, as the sealed wind of boiler and broadcast material wind, the sealed wind of boiler is used for preventing that the high temperature flue gas from anti scurrying, and broadcast material wind is used for broadcasting the material.
The utility model discloses the abundant chicken manure boiler of burning, with the wind after the flue gas heat exchange in the vertical flue 5, the temperature is about 290 ℃, and the wind pressure is about 7.8 KPa. The primary air with the temperature of about 290 ℃ and the air pressure of about 7.8KPa is adjusted, and the sealing air blown out from the sealing air inlet 21 is generally at the temperature of about 290 ℃ and the air pressure of about 3 KPa; the seeding air blown out from the seeding air inlet 22 is usually at a temperature of about 290 ℃ and a wind pressure of about 4 KPa.
The utility model discloses the abundant chicken manure boiler of burning, secondary fan 7 effect makes the interior overgrate air that produces of overgrate air pipe 71, and the overgrate air that produces in the overgrate air pipe 71 is through overgrate air preheater 54, with the flue gas heat exchange back in the perpendicular flue 5, send to and be equipped with on 3 walls of furnace and burn with wind air intake 31, as the burning with wind on the bed, provide oxygen for the burning of 3 fuel on furnace.
The utility model discloses the abundant chicken manure boiler of burning, over heater 51, economizer 52, air preheater 53 and overgrate air preheater 54 are used for carrying out the heat utilization to flue gas heat energy.
The utility model discloses chicken manure boiler that burns fully, through let with sealed wind air intake 21 and spread material wind air intake 22 intercommunication, the air pipe 61 that its interior air supplied as boiler seal wind and spread material wind passes through the air preheater 53 of the air of cloth in the vertical flue 5, and carry one of them a set of air preheater 53 to between superheater 51 and economizer 52, make the air temperature that passes through air preheater 53, carries out the heat exchange with the flue gas in the vertical flue 5 rise gradually, until in superheater 51 and economizer 52 in the air preheater 53, with pass through superheater 53, and not pass through economizer 52, still have the flue gas heat exchange of higher temperature after, the air temperature reaches about 290 ℃, the air of this temperature is up to about 290 ℃ air supply to sealed wind air intake 21 and spread material wind air intake 22, be used as boiler seal wind and spread material wind and supply, sealed wind and spread the material wind can make the fuel in blanking pipe 2 of high temperature obtain preheating, moisture gets the evaporation in the fuel, and the fuel falls into furnace 3 back along blanking pipe 2, and is little to the influence of the combustion temperature in furnace 3, and the combustion temperature can reach 830 ℃ of design temperature in furnace 3, and it has not only guaranteed that the chicken manure fuel burns fast, stably, completely, improves the efficiency of boiler, has still guaranteed boiler operation security.
The utility model discloses the abundant chicken manure boiler of burning to furnace 3 even has a wall of blanking pipe 2 to be furnace 3 front wall, and the one side wall relative with the front wall is furnace 3 back wall, and the bed that distributes on the wall is preceding to furnace 3 burns with the quantity of wind air intake 31 and is greater than the bed that distributes on the wall behind furnace 3 with the quantity of wind air intake 31. In the utility model, because the temperature of the sealing air and the seeding air in the blanking pipe 2 is higher, the sealing air and the seeding air with higher temperature in the blanking pipe 2 enter the hearth 3 along the blanking pipe 2, and can be used as the bed combustion air to provide oxygen for the combustion of the fuel in the hearth 3 as the secondary air entering the hearth 3 from the secondary air pipe 71 and the bed combustion air inlet 31, after calculating the sealing air and the seeding air entering the hearth 3 from the blanking pipe 2, the bed combustion air is more balanced to enter the hearth 3 from the front wall and the rear wall of the hearth 3, the combustion in the hearth 3 is more uniform, preferably, the number of the bed combustion air inlets 31 distributed on the front wall of the hearth 3 is more than that of the bed combustion air inlets 31 distributed on the rear wall of the hearth 3, if the bed combustion air inlets 31 distributed on the front wall of the hearth 3 are three, the bed combustion air inlets 31 distributed on the rear wall of the hearth 3 are five, the air inlets 31 for the on-bed combustion air on the walls of the other two sides of the hearth 3 except the front wall and the rear wall are generally distributed twice respectively.
The utility model discloses the abundant chicken manure boiler of burning, preferably, air preheater 53 is three groups. The utility model discloses, for making the air of a time in the tuber pipe 61 can reach 290 ℃, need to guarantee that air preheater 53 has assorted heat exchange surface, the utility model discloses in, air preheater 53's quantity need set up more than three groups at least, like three groups, four groups or five groups, consider installation space's limitation and manufacturing cost problem in the vertical flue 5, this real novel air preheater 53 sets up three groups and is the preferred.
The utility model discloses the abundant chicken manure boiler of burning, better, overgrate air preheater 54 has two sets ofly. The utility model discloses, overgrate air preheater 54 can be a set of, two groups or multiunit, because the back of economizer 52 is all located to overgrate air preheater 54, the temperature is relatively lower after the overgrate air heat exchange, for the heat exchange surface of increase overgrate air, further promote the temperature of overgrate air, reduce the laying dust in overgrate air preheater 54, simultaneously, consider installation space's in the vertical flue 5 limitation and manufacturing cost problem, preferably, overgrate air preheater 54 sets up two sets ofly.
The utility model discloses chicken manure boiler that burns fully, preferred, overgrate air preheater 54 is located two sets of air preheater 53 behind economizer 52. The utility model discloses, overgrate air preheater 54 can be located economizer 52 hou mian air preheater 53 in the front, also can be located economizer 52 hou mian air preheater 53's the back, crosses lowly for avoiding the overgrate air temperature, produces the laying dust in it, and preferably, overgrate air preheater 54 is located between economizer 52 hou mian two sets of air preheater 53.
The utility model discloses the abundant chicken manure boiler of burning, right the utility model discloses the ordinary technical personnel of technical field are not deviating from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a abundant chicken manure boiler burns, furnace, cyclone and perpendicular flue including the order connection, furnace and blanking union coupling, are equipped with sealed wind air intake and broadcasts the material wind air intake on the blanking pipe, are equipped with the wind air intake of burning on the bed on the furnace wall, are equipped with over heater, economizer, primary air preheater and overgrate air preheater in the perpendicular flue, along the interior flue gas flow direction of perpendicular flue, the over heater arranges in the front of economizer, its characterized in that: the primary air pre-heaters are arranged between the superheater and the economizer, the rest primary air pre-heaters and the rest secondary air pre-heaters are arranged behind the economizer, the fully-combusted chicken manure boiler further comprises a primary fan and a secondary fan, the primary fan is sequentially communicated with all the primary air pre-heaters from back to front through primary air pipes according to the arrangement positions of the primary air pre-heaters in the vertical flue and then communicated to the sealing air inlet and the material spreading air inlet, and the secondary fan is sequentially communicated with the secondary air pre-heaters from back to front through secondary air pipes according to the arrangement positions of the secondary air pre-heaters in the vertical flue and then communicated to the bed combustion air inlet.
2. The fully combusted chicken manure boiler of claim 1 wherein: the wall of the hearth connected with the blanking pipe is used as a front wall of the hearth, the wall opposite to the front wall is used as a rear wall of the hearth, and the number of the bed combustion air inlets distributed on the front wall of the hearth is more than that of the bed combustion air inlets distributed on the rear wall of the hearth.
3. The fully combusted chicken manure boiler of claim 1 wherein: the primary air pre-heaters are divided into three groups.
4. The fully combusted chicken manure boiler of claim 1 wherein: the secondary air pre-heater has two groups.
5. The fully combusted chicken manure boiler of claim 1 wherein: the secondary air pre-heater is positioned between the two groups of primary air pre-heaters behind the economizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742946.XU CN210772191U (en) | 2019-10-17 | 2019-10-17 | Chicken manure boiler capable of fully combusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921742946.XU CN210772191U (en) | 2019-10-17 | 2019-10-17 | Chicken manure boiler capable of fully combusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210772191U true CN210772191U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921742946.XU Active CN210772191U (en) | 2019-10-17 | 2019-10-17 | Chicken manure boiler capable of fully combusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210772191U (en) |
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2019
- 2019-10-17 CN CN201921742946.XU patent/CN210772191U/en active Active
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Address after: 353499 No. 12-4 Wanxin Road, Wan'an Township, Pucheng County, Nanping City, Fujian Province Patentee after: Fujian Shengxin environmental protection Co., Ltd Address before: 353499 No. 12-4 Wanxin Road, Wan'an Township, Pucheng County, Nanping City, Fujian Province Patentee before: FUJIAN SHENGXIN ENERGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |