CN102563666A - Sludge incineration method and sludge incineration facility - Google Patents
Sludge incineration method and sludge incineration facility Download PDFInfo
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- CN102563666A CN102563666A CN2010106156142A CN201010615614A CN102563666A CN 102563666 A CN102563666 A CN 102563666A CN 2010106156142 A CN2010106156142 A CN 2010106156142A CN 201010615614 A CN201010615614 A CN 201010615614A CN 102563666 A CN102563666 A CN 102563666A
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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
Abstract
The invention provides a sludge incineration method and a sludge incineration facility adopting the same. The sludge incineration method includes the following steps: a sludge incinerator is utilized to incinerate half-dried sludge dried by a steam type sludge drier, the heat of the steam condensate of the steam type sludge drier is recovered, the recovered heat is utilized to preheat the normal-temperature air, so that the first preheated air is obtained, the heat of the exhausted gas of the sludge incinerator is recovered, the recovered heat is utilized to heat the first preheated air which is already preheated, so that the heated air is obtained, the heated air is used as the combustion air and supplied to the sludge incinerator, and moreover, according to the character of the half-dried sludge, the temperature of the combination air is regulated by increasing and decreasing the amount of the steam condensate. When the sludge incineration method is adopted, the temperature of the heated air not only can be regulated but also can reach a higher level, and the sludge incineration method can meet the incineration requirement of various types of sludge with shapes varying in a wide range.
Description
Technical field
The present invention relates to a kind of sludge incineration method and the sludge incineration equipment that adopts this sludge incineration method.
Background technology
From protection environment and the purpose of practicing thrift cost, in the drying and incinerating system of downflow sludge, require mostly when burning sludge, to reduce the use of auxiliary fuel at present, carry out " spontaneous combustion operation ".For spontaneous combustion is set up, only in sludge incinerator, be blown into air not enough, also will be through being blown into the air after the preheating, the temperature in the control incinerator makes it satisfy the needs that mud in the stove is kept spontaneous combustion.Before burning sludge, utilize drying system that dewatered sludge is dried to partial desiccation mud earlier, can alleviate the load of incinerator.In China; Because the caloric value of mud is relatively low; And the mobility scale of proterties such as the water content of different mud is bigger, and therefore for the mud spontaneous combustion operation in the incinerator is set up all the time, the ability to work of the drying and incinerating system of mud must leave bigger leeway.
In the prior art, preheating of air adopts two kinds of methods to flowing: a kind of is to utilize the steam that vapour system produced such as waste heat boiler as thermal source moving air to be heated; Another kind is moving air to be heated as thermal source with the exhaust of sludge incinerating system self.These two kinds of heating means cut both ways; When with steam during as thermal source; Can regulate preheat temperature through the quantity delivered of steam regulation; But the restriction that receives steam or steam condensate (SC) self temperature is difficult to the preheat temperature that reaches higher, and the spontaneous combustion operation of mud that is difficult to satisfy lower calorific value is to the requirement of temperature; When during as thermal source, obtaining higher preheat temperature with the exhaust of sludge incinerating system self, but be difficult for preheat temperature is regulated, therefore be difficult to carry out efficient temperature control.
Summary of the invention
In order to address the above problem; The present invention provides a kind of sludge incineration method; It utilizes the heat of the steam condensate (SC) that the steam-type sludge drier in the sludge drying and incinerating system produced and the heat of exhaust of directly discharging from sludge incinerator as thermal source, accomplishes the preheating of air that flows.
The sludge incineration method of technical scheme one of the present invention; Utilize sludge incinerator to burning, reclaim the heat of the steam condensate (SC) of said steam-type sludge drier, utilize this recovery heat that normal temperature air is carried out preheating by the dry partial desiccation mud of steam-type sludge drier; Obtain first preheated air; Reclaim the heat of exhaust of said sludge incinerator, utilize this recovery heat that said first preheated air of process preheating is heated, thereby obtain adding hot-air; The said hot-air that adds is supplied with to said sludge incinerator as combustion air; And,, the temperature of said combustion air is regulated through increasing and decreasing the amount of said steam condensate (SC) according to the proterties of said partial desiccation mud.
Adopt this sludge incineration method, can either make the temperature of combustion air adjusted, can utilize the higher exhaust of temperature of discharging to make the temperature of combustion air arrive higher level again from sludge incinerator through the steam regulation condensation water quantity.Therefore can provide the only combustion air of temperature to keep its spontaneous combustion according to the proterties that drops into mud.And, even for the lower mud of caloric value, need not add too much auxiliary fuel yet and just can tackle, can avoid device to maximize.With compared with techniques in the past, can more easily tackle proterties and change various mud greatly.And because above-mentioned exhaust is the high-temperature exhaust air without the mistake waste heat boiler of discharging from sludge incinerator, so the air of its preheating can reach higher temperature.In addition, because above-mentioned steam condensate (SC) produces by the steam-type sludge drier in the drying and incinerating system self, effective utilization of the heat of the steam condensate (SC) of having realized being produced in the process to sludge-drying is with to utilize steam preheating to compare cost lower.
The sludge incineration method of technical scheme two of the present invention; In the sludge incineration method of technique scheme one; Further utilize and heat with steam the further preheating of said first preheated air; Obtain second preheated air, and, with the amount of steam the temperature of said combustion air is regulated through increasing and decreasing said heating according to the proterties of said partial desiccation mud.
Adopt such sludge incineration method, begin to utilize successively steam condensate (SC), steam, this three of exhaust that air is progressively heated from the upper reaches, can tackle the burning needs of various mud flexibly.When the caloric value of mud was higher, the temperature of the combustion air that sludge incineration is required was lower, can steam off formula mud heater, only moving air is carried out preheating with steam condensate (SC) and exhaust, and can practice thrift steam, reduce cost; And when the caloric value of mud is hanged down; The temperature of the combustion air that sludge incineration is required is higher; At this moment, open steam-type mud heater, utilize steam condensate (SC), steam, this three of exhaust air to be heated as thermal source; Can improve preheating efficient, obtain the higher combustion air of temperature quickly.
Again, in technique scheme two, when utilizing steam condensate (SC) and steam that moving air is carried out preheating simultaneously, preferably make the amount that normal temperature air is carried out the said steam condensate (SC) of preheating reach maximum,, practice thrift cost to reduce the use amount of steam.
Adopt the sludge incineration equipment of above-mentioned sludge incineration method, have: the steam-type sludge drier, it carries out dried to dewatered sludge; Sludge incinerator, it burns the partial desiccation mud of discharging from said steam-type sludge drier; The exhaust air preheater, it utilizes the combustion air of supplying with from the exhaust subtend sludge incinerator of said sludge incinerator discharge to heat; The steam condensate (SC) regenerative air heater, it is arranged on the upper reaches of said exhaust air preheater, and utilizes the steam condensate (SC) of said steam-type sludge drier that normal temperature air is carried out preheating; And steam condensate (SC) amount regulon, its amount to said steam condensate (SC) increases and decreases.
In above-mentioned sludge incineration equipment, can also between said exhaust air preheater and said steam condensate (SC) regenerative air heater, be provided with: to heat with the steam-type air preheater of steam as thermal source again; And the quantity of steam regulon, the said heating that the said steam-type air preheater of its subtend is supplied with increases and decreases with the amount of steam.
In addition, sludge incineration equipment of the present invention can have: the steam-type sludge drier, and it carries out dried to dewatered sludge; Sludge incinerator, it burns the partial desiccation mud of discharging from said steam-type sludge drier; And air preheater; The combustion air that the said sludge incinerator of its subtend is supplied with heats; Said air preheater begins to comprise successively from the upper reaches: the steam condensate (SC) regenerative air heater, and it utilizes the steam condensate (SC) of said steam-type sludge drier that normal temperature air is carried out preheating; To heat with the steam-type air preheater of steam as thermal source; And with the exhaust of discharging exhaust air preheater as thermal source from said sludge incinerator.
Description of drawings
Fig. 1 is the flow chart of the sludge incineration method of expression example 1 of the present invention.
Fig. 2 is the flow chart of the sludge incineration method of expression example 2 of the present invention.
The specific embodiment
(example 1)
Below, with reference to accompanying drawing 1, example 1 of the present invention is described.
As shown in Figure 1, the sludge drying and incinerating system of example 1 of the present invention has: steam-type sludge drier 1, and it carries out drying through steam to dewatered sludge; Sludge incinerator 2, it is used for dried partial desiccation mud is burned; Exhaust air preheater 3, it is arranged on the rear of sludge incinerator 2, utilizes the high-temperature exhaust air of discharging from sludge incinerator 2 that air is heated, and this is added hot-air supplies with to said sludge incinerator 2 as combustion air; Waste heat boiler 4, it reclaims from the heat of the waste gas of exhaust air preheater 3 discharges and produces steam, and this steam is fed back to steam-type sludge drier 1; Exhaust gas treatment device 5, it cools off the waste gas through waste heat recovery and purifies; Chimney 6, it is used for cooling and the waste gas after purifying is discharged to atmosphere.
The process of mud being carried out drying and incinerating is following: at first dewatered sludge (dewatered cake) is dropped into steam-type sludge drier 1; Through drying; Make dewatered sludge form partial desiccation mud, for example can make water content is that to form water content be about 40% partial desiccation mud for about 80% dewatered sludge.Then; This partial desiccation mud is dropped into sludge incinerator 2, and this sludge incinerator 2 is made up of sand bed and burner hearth, drops into the partial desiccation mud of sludge incinerator 2 and is pulverized by the sand that flows at the sand bed place; Because the temperature of burner hearth is up to 850 ℃, therefore pulverized mud moment burning and gasifying.After the exhaust that this sludge incineration produced is discharged from sludge incinerator 2; Get into exhaust air preheater 3; And the air that imports this exhaust air preheater 3 heated, " import air of exhaust air preheater 3 " about this and will be described hereinafter.In exhaust air preheater 3, be blown in the sludge incinerator 2 as combustion air, keep the spontaneous combustion of mud by the hot-air (for example about 300 ℃) that adds after the above-mentioned exhaust heating.On the other hand, discharge from exhaust air preheater 3, the waste gas (for example about 700 ℃) after as thermal source air being heated gets into waste heat boiler 4, utilizes the heat of this waste gas in waste heat boiler 4, to produce steam.This steam is sent back to and supplies sludge-drying to use in the steam-type sludge drier 1.At last, through the heat recovery of waste heat boiler 4 and the decline to a great extent exhaust of (for example dropping to 250 ℃) of temperature gets into exhaust gas treatment device 5.In exhaust gas treatment device 5, harmful substances such as the SOx that is contained in the exhaust, HCl are by caustic soda removals such as (NaOH), and the temperature of exhaust is further reduced, and form innocuous gas and discharge to atmosphere via chimney 6.In addition, in this example, when the quantity of steam that only depends on waste heat boiler 4 to be produced comes sludge-drying not enough, also external steam (for example 1.0MPa, about 180 ℃ saturated vapor) is added in the steam-type sludge drier 1.
Except the said equipment; The upper reaches at above-mentioned exhaust air preheater 3 also are provided with steam condensate (SC) regenerative air heater 7; It is used at the upper reaches normal temperature air being carried out preheating, is above-mentioned " importing the air of exhaust air preheater 3 " through the air of steam condensate (SC) regenerative air heater 7 preheatings (below be called " first preheated air ").
Specify in the face of steam condensate (SC) regenerative air heater 7 down.
Above-mentioned steam condensate (SC) regenerative air heater 7 is connected with steam-type sludge drier 1, is used for normal temperature air is carried out preheating.Specifically; When in steam-type sludge drier 1, dewatered sludge being carried out drying; Can produce the steam condensate (SC) that has certain heat; For example, when being that about 80% dewatered sludge is dry when being about 40% partial desiccation mud for water content with moisture content, in steam-type sludge drier 1, can produce pressure is that 0.8MPa, temperature are approximately 170 ℃ steam condensate (SC).In this example, above-mentioned steam condensate (SC) imports the steam condensate (SC) regenerative air heater 7 from steam-type sludge drier 1.In addition, import also in steam condensate (SC) regenerative air heater 7 that the temperature that is provided by the air blast 15 that flows is arranged for example is the normal temperature air about 20 ℃.Therefore, in steam condensate (SC) regenerative air heater 7, this normal temperature air is approximately 170 ℃ steam condensate (SC) heating by said temperature, and producing temperature is first preheated air about 80 ℃.In addition; The steam condensate (SC) that passes through from steam condensate (SC) regenerative air heater 7 flows into the reclamation of condensate water equipment 11, and the steam condensate (SC) that does not import steam condensate (SC) regenerative air heater 7 also flows directly into the reclamation of condensate water equipment 11 from steam-type sludge drier 1.
In addition, also be provided with steam condensate (SC) amount regulon for steam condensate (SC) regenerative air heater 7, this steam condensate (SC) amount regulon comprises steam condensate (SC) adjustable valve 8, temperature sensor 9 and TIC (temperature indication regulating system) 10.Steam condensate (SC) adjustable valve 8 is arranged on the stream between steam-type sludge drier 1 and the steam condensate (SC) regenerative air heater 7, and the steam condensate (SC) amount that gets into steam condensate (SC) regenerative air heater 7 is regulated.Temperature sensor 9 is arranged on the exit of steam condensate (SC) regenerative air heater 7, to being measured by the temperature of above-mentioned first preheated air of steam condensate (SC) regenerative air heater 7 preheatings.In addition; TIC10 controls the aperture of steam condensate (SC) adjustable valve 8 based on the temperature of first preheated air that temperature sensor 9 is measured; Increase or reduce the amount of the steam condensate (SC) that imports steam condensate (SC) regenerative air heater 7, thus can be with the adjustment of first preheated air between about 20 ℃ of during to standard-sized sheet about 80 ℃ during to steam condensate (SC) adjustable valve 8 full cut-offs.
In addition; On the stream that combustion air is blown into sludge incinerator 2 from exhaust air preheater 3, also be provided with temperature sensor 13 and TI (temperature measuring equipment) 14; This temperature sensor 13 is used to measure the temperature that adds hot-air (being combustion air) of discharging from exhaust air preheater 3 with TI14; In order to make the hot-air (being combustion air) that adds that is blown into sludge incinerator 2 reach the required target temperature of sludge incineration; Adjusting is to the quantity delivered of the steam condensate (SC) of steam condensate (SC) regenerative air heater 7 supplies, so that the measured value of TI14 reaches target temperature.
The sludge incineration method of this example; Adopt earlier steam condensate (SC) at the upper reaches normal temperature air to be carried out preheating as thermal source; Obtain first preheated air, adopt exhaust above-mentioned first preheated air to be heated once more again, and then form the combustion air that conforms to proterties such as the water content of the mud that is burned, caloric values as thermal source; And this combustion air is blown in the sludge incinerator 2, keep the burning of mud.
Adopt this sludge incineration method; The temperature that can either pass through the steam regulation condensation water quantity and in about 250 ℃～310 ℃ scope, regulate combustion air can utilize the higher exhaust of temperature of discharging from sludge incinerator 2 to make the temperature of combustion air arrive higher level again.Therefore can provide the only combustion air of temperature to keep its spontaneous combustion according to the proterties that drops into mud.And, even for the lower mud of caloric value, need not add too much auxiliary fuel yet and just can tackle, can avoid device to maximize.With compared with techniques in the past, can more easily tackle proterties and change various mud greatly.And because above-mentioned exhaust is the high-temperature exhaust air without mistake waste heat boiler 4 of directly discharging from sludge incinerator 2, so the air that it heated can reach higher temperature.In addition, because above-mentioned steam condensate (SC) produces by the steam-type sludge drier in the drying and incinerating system 1 self, effective utilization of the heat of the steam condensate (SC) of having realized producing in the process to sludge-drying is with to utilize steam preheating to compare cost lower.
(example 2)
Below, with reference to Fig. 2, example 2 of the present invention is described.
In the sludge incineration method of example 2 of the present invention, between the steam condensate (SC) regenerative air heater 7 and exhaust air preheater 3 of above-mentioned example 1, further be provided with steam-type air preheater 12.This steam-type air preheater 12 is a thermal source with steam; To carrying out further preheating by relatively low first preheated air of the temperature of steam condensate (SC) regenerative air heater 7 preheatings; Second preheated air that formation temperature is higher relatively imports this second preheated air in the exhaust air preheater 3 again.Then, in exhaust air preheater 3, this second preheated air is carried out heat, formation temperature satisfies the hot-air that adds that sludge incineration in the sludge incinerator 2 requires, and it is imported in the sludge incinerator 2 as combustion air.Import in the steam-type air preheater 12 as the said steam of thermal source from waste heat boiler 4 or outside additional steam.For example; When the temperature of first preheated air is about 80 ℃, imports saturated vapor in the steam-type air preheater 12 when being 1.0MPa, 180 ℃ of left and right sides; Temperature through second preheated air of steam-type air preheater 12 preheatings can reach about 150 ℃; About these 150 ℃ second preheated airs are imported in the exhaust air preheater 3, and the heating through high-temperature exhaust air obtains the hot-air that adds about 380 ℃; This is added hot-air be blown in the sludge incinerator 2, keep the spontaneous combustion operation of mud as combustion air.
In addition, similar for steam-type air preheater 12 with steam condensate (SC) regenerative air heater 7, also be provided with the quantity of steam regulon, this quantity of steam regulon comprises quantity of steam control valve 8 ', temperature sensor 9 ', TIC (temperature indication regulating system) 10 '.Quantity of steam control valve 8 ' is arranged on the stream between steam supply source (waste heat boiler 4 and/or external complement vapour source) and the steam-type air preheater 12, and the heating that gets into steam-type air preheater 12 is regulated with the amount of steam.Temperature sensor 9 ' is arranged on the exit of steam-type air preheater 12, and the temperature through above-mentioned second preheated air of steam-type air preheater 12 preheatings is measured.In addition; TIC 10 ' controls the aperture of quantity of steam control valve 8 ' based on the temperature of above-mentioned second preheated air that temperature sensor 9 ' is measured; Increase or reduce the heating that imports steam-type air preheater 12 amount, thereby can regulate the temperature of second preheated air that passes through 12 preheatings of steam-type air preheater with steam.
In addition; In this example; On the stream that combustion air is blown into sludge incinerator 2 from exhaust air preheater 3, also be provided with the temperature sensor 13 and the TI (temperature measuring equipment) 14 that are used to measure this combustion air temperature; This temperature sensor 13 is used to measure the temperature that adds hot-air (being combustion air) of discharging from exhaust air preheater 3 with TI14; In order to make the hot-air (being combustion air) that adds that is blown into sludge incinerator 2 reach the required target temperature of sludge incineration; The quantity delivered of the steam condensate (SC) that adjusting is supplied with to steam condensate (SC) regenerative air heater 7 and/or the heating supplied with to steam-type air preheater 12 are with the quantity delivered of steam, so that the measured value of TI14 reaches target temperature.
In this example, begin to adopt successively steam condensate (SC) from the upper reaches, from the steam of waste heat boiler 4 or external complement vapour source, as thermal source moving air is carried out the segmented heating from this three of exhaust of sludge incinerator 2 from steam-type sludge drier 1.When the caloric value of the mud that is burned in the sludge incinerator 2 is higher; The temperature of required combustion air is lower; This moment can steam off regenerative air heater 12 upstream sides quantity of steam control valve 8 '; Steam condensate (SC) and exhaust after only utilizing the aperture of steam condensate (SC) adjustable valve 8 to regulate are heated moving air as thermal source; Can be adjusted to about 250 ℃～310 ℃ adding hot-air (being combustion air), can practice thrift the consumption of the price steam higher, reduce cost than steam condensate (SC); And when the mud caloric value of being burned in the sludge incinerator 2 is low; The temperature of required combustion air is higher; Open quantity of steam control valve 8 ' this moment; Utilize steam condensate (SC), steam, this three of exhaust moving air to be heated, can improve preheating efficient, obtain the higher combustion air of temperature quickly as thermal source.
In addition; At steam condensate (SC) adjustable valve 8, when quantity of steam control valve 8 ' is all opened, with steam condensate (SC), when heating uses steam, exhaust as thermal source moving air to be heated; Steam condensate (SC) is imported steam condensate (SC) regenerative air heater 7,, can be adjusted to about 310 ℃～380 ℃ adding hot-air (being combustion air) through the aperture of steam regulation adjustable valve; At this moment, preferably be adjusted to maximum to the aperture of steam condensate (SC) adjustable valve 8.Like this, the target temperature of supposing to add hot-air (being combustion air) is constant, just can practice thrift the consumption of heating with steam in the steam-type air preheater 12 below, reduces cost.
In above-mentioned each example; Quantity of steam regulon and steam condensate (SC) amount regulon are not limited to control valve, temperature sensor, TIC etc., so long as can get final product according to the device that the quantity delivered as the fluid of thermal source that this air preheater of the temperature subtend in air preheater exit is supplied with is controlled.Again, the mud that drops into sludge incinerator is not limited to partial desiccation mud, also can be the mixture of partial desiccation mud and dewatered sludge.Again, the temperature regulating range of combustion air can wait suitably setting through changing the pressure and temperature of supplying with steam.Again; Be that the situation of about 40% mud is illustrated to burning water content above; When the proterties such as water content of the mud that is burned not simultaneously; As long as through above-mentioned steam condensate (SC) amount regulon or quantity of steam regulon steam regulation condensed water or the heating quantity delivered with steam, the degree that the temperature that adds hot-air is reached keep the mud spontaneous combustion to move gets final product.In above-mentioned quantity of steam regulon and steam condensate (SC) amount regulon, also can only be provided with one or be not provided with again.
More than best example of the present invention is illustrated, under the condition that does not depart from the scope of the present invention, can carry out various changes to the present invention.
Claims (6)
1. a sludge incineration method is characterized in that,
Utilize sludge incinerator to burning, reclaim the heat of the steam condensate (SC) of said steam-type sludge drier, utilize this recovery heat that normal temperature air is carried out preheating, obtain first preheated air by the dry partial desiccation mud of steam-type sludge drier,
Reclaim the heat of exhaust of said sludge incinerator, utilize this recovery heat that said first preheated air of process preheating is heated, thereby obtain adding hot-air,
The said hot-air that adds is supplied with to said sludge incinerator as combustion air, and,, the temperature of said combustion air is regulated through increasing and decreasing the amount of said steam condensate (SC) according to the proterties of said partial desiccation mud.
2. sludge incineration method as claimed in claim 1 is characterized in that,
Utilize heating with steam to the further preheating of said first preheated air, obtain second preheated air, and, with the amount of steam the temperature of said combustion air regulated through increasing and decreasing said heating according to the proterties of said partial desiccation mud.
3. sludge incineration method as claimed in claim 2 is characterized in that,
Make the amount that normal temperature air is carried out the said steam condensate (SC) of preheating reach maximum.
4. sludge incineration equipment is characterized in that having:
The steam-type sludge drier, it carries out dried to dewatered sludge;
Sludge incinerator, it burns the partial desiccation mud of discharging from said steam-type sludge drier;
The exhaust air preheater, it utilizes the combustion air of supplying with from the exhaust subtend sludge incinerator of said sludge incinerator discharge to heat;
The steam condensate (SC) regenerative air heater, it is arranged on the upper reaches of said exhaust air preheater, and utilizes the steam condensate (SC) of said steam-type sludge drier that normal temperature air is carried out preheating; And
Steam condensate (SC) amount regulon, its amount to said steam condensate (SC) increases and decreases.
5. the sludge incineration equipment described in claim 4 is characterized in that, between said exhaust air preheater and said steam condensate (SC) regenerative air heater, is provided with:
To heat with the steam-type air preheater of steam as thermal source; And
The quantity of steam regulon, the said heating that the said steam-type air preheater of its subtend is supplied with increases and decreases with the amount of steam.
6. sludge incineration equipment is characterized in that having:
The steam-type sludge drier, it carries out dried to dewatered sludge;
Sludge incinerator, it burns the partial desiccation mud of discharging from said steam-type sludge drier; And
Air preheater, the combustion air that the said sludge incinerator of its subtend is supplied with heats,
Said air preheater begins to comprise successively from the upper reaches:
The steam condensate (SC) regenerative air heater, it utilizes the steam condensate (SC) of said steam-type sludge drier that normal temperature air is carried out preheating;
To heat with the steam-type air preheater of steam as thermal source; And
With the exhaust of discharging exhaust air preheater as thermal source from said sludge incinerator.
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| CN2010106156142A CN102563666A (en) | 2010-12-16 | 2010-12-16 | Sludge incineration method and sludge incineration facility |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033911A (en) * | 2014-06-30 | 2014-09-10 | 南京德邦金属装备工程股份有限公司 | Sludge drying and incinerating system |
| CN106396337A (en) * | 2016-12-03 | 2017-02-15 | 中冶华天南京工程技术有限公司 | Solar drying thermal incineration combined municipal sludge treatment system |
| CN110793044A (en) * | 2019-10-16 | 2020-02-14 | 北京航化节能环保技术有限公司 | Incineration device and method for treating sulfur recovery tail gas |
| CN113983474A (en) * | 2021-10-28 | 2022-01-28 | 上海发电设备成套设计研究院有限责任公司 | Device system and method for generating power by drying and incinerating sludge |
-
2010
- 2010-12-16 CN CN2010106156142A patent/CN102563666A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033911A (en) * | 2014-06-30 | 2014-09-10 | 南京德邦金属装备工程股份有限公司 | Sludge drying and incinerating system |
| CN106396337A (en) * | 2016-12-03 | 2017-02-15 | 中冶华天南京工程技术有限公司 | Solar drying thermal incineration combined municipal sludge treatment system |
| CN110793044A (en) * | 2019-10-16 | 2020-02-14 | 北京航化节能环保技术有限公司 | Incineration device and method for treating sulfur recovery tail gas |
| CN113983474A (en) * | 2021-10-28 | 2022-01-28 | 上海发电设备成套设计研究院有限责任公司 | Device system and method for generating power by drying and incinerating sludge |
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Application publication date: 20120711 |