CN204534600U - Domestic refuse incinerator burning air supply device - Google Patents
Domestic refuse incinerator burning air supply device Download PDFInfo
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- CN204534600U CN204534600U CN201420852775.7U CN201420852775U CN204534600U CN 204534600 U CN204534600 U CN 204534600U CN 201420852775 U CN201420852775 U CN 201420852775U CN 204534600 U CN204534600 U CN 204534600U
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- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims description 33
- 238000004056 waste incineration Methods 0.000 claims description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000003546 flue gas Substances 0.000 claims description 21
- 239000010791 domestic waste Substances 0.000 claims description 19
- 230000003584 silencer Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 5
- 208000011580 syndromic disease Diseases 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model discloses one way of life garbage burning boiler burning air supply device, belong to field of garbage disposal equipment.This system comprises primary air system and secondary air system; Wherein, primary air system comprises: the furnace wall sidewall cooling air system connected successively and First air heating feed system; Secondary air system comprises: in the incineration plants connected successively, air gets wind system and Secondary Air pre-heating system; First air heating feed system is connected to each air compartment of Domestic refuse incinerator; Secondary Air pre-heating system is connected to the first flue of Domestic refuse incinerator.Furnace wall sidewall cooling air can be sent into First air air draught house steward by this system after it is heated, and improves a wind-warm syndrome, has effectively reclaimed energy, improve the thermal efficiency of incinerator.Contribute to imflammable gas to burn completely, regulate in-furnace temperature.Solve stable, the efficient burning of house refuse in burning boiler of " high-moisture, high ash content, low heat value ", particularly to County finance and Northeast Cold Area.
Description
Technical Field
The utility model relates to a waste incinerator burning air feed equipment field especially relates to a domestic waste burns boiler burning air feed device.
Background
With the development of national economy, the improvement of the living standard of people and the rapid increase of population in cities and towns, the yield of domestic garbage is increased sharply, the components are more and more complex, and the harm is more and more serious. At present, there are three main methods for treating domestic garbage: compared with various garbage disposal technologies, the incineration technology has obvious effects on harmlessness, volume reduction and resource utilization, and simultaneously, along with the improvement of living standard of people and the increase of garbage heat value, the incineration technology becomes a most promising garbage disposal method.
The current garbage incineration mainly uses direct combustion of the primary garbage and mainly adopts a layer combustion type and a fluidized bed type combustion mode, and the primary garbage incineration is widely applied at home and abroad due to safe and reliable operation and wide fuel application range. The key parts of the grate-fired waste incineration boiler are grates, the grates mainly have a reciprocating grate and a drum grate in structural forms, and the grates are mostly applied to reciprocating type, and the common reciprocating grates comprise a forward-push inclined reciprocating grate, a backward-push inclined reciprocating grate, a combined reciprocating grate and a horizontal reciprocating grate. The reciprocating grate garbage incinerator is generally composed of a reciprocating grate incinerator and a waste heat boiler. The garbage is thrown into the receiving hopper by the grab crane and then pushed onto the fire grate by the pushing device for combustion, and can be divided into a dry ignition section, a combustion section and an after-burning section according to the combustion process of the garbage on the fire grate, and a vertical drop can be arranged between the fire grate sections; the flue gas generated after the garbage is combusted transfers heat to the heating surface of the waste heat boiler, and is discharged into the atmosphere from a chimney through a purification system after the temperature of the flue gas is reduced to the temperature of the flue gas; the ash slag burnt on the grate is discharged through a slag discharging machine. Oxygen supply in the combustion process is realized by a combustion air supply system. At present, domestic garbage generally has the characteristics of high moisture, high ash content and low calorific value, and is particularly prominent in county-level cities and northeast cold regions. When the reciprocating grate waste incineration boiler is adopted for treatment, impact can be caused to the operation working condition of the system, the existing air supply system often influences the combustion working condition of the incineration boiler due to the fact that the requirement of supplying hot air cannot be met, the operation of the incineration boiler is unstable, the operation cost is increased, and the environmental benefit is reduced.
Disclosure of Invention
Based on the problem that above-mentioned prior art exists, the utility model provides a domestic waste incineration boiler burning air feed device can avoid causing the impact to system's operating mode when adopting reciprocating type grate waste incineration boiler to handle, reduces to incineration boiler burning operating mode influence, makes its operation stable, lower running cost promotes environmental benefit.
In order to solve the technical problem, the utility model provides a domestic waste burns boiler burning air feed device, include:
a primary air system and a secondary air system; wherein,
the primary air system comprises: the furnace wall side wall cooling air system and the primary air heating supply system are sequentially connected;
the overfire air system comprises: an air intake system and a secondary air preheating system in the incineration workshop are sequentially connected;
the primary air heating supply system is connected to each air chamber of the household garbage incineration boiler;
the secondary air preheating system is connected to a first flue of the household garbage incineration boiler.
Among the above-mentioned air feed device, the furnace wall lateral wall cooling air system includes:
first incineration workshop air inlet scoop is connected with first fan muffler, first adjusting baffle air door and furnace wall cooling blower in proper order through the pipeline, furnace wall cooling blower export respectively is connected to respectively through an adjusting baffle air door the both sides furnace wall lateral wall cavity of domestic waste incineration boiler, both sides furnace wall lateral wall cavity with primary air heating feed system connects.
In the air supply device, the primary air heating supply system includes:
the furnace wall cooling air system comprises a furnace wall cooling air system, a first air suction header pipe, a first fan silencer, a first adjusting baffle air door, a first air fan, a second adjusting baffle air door, a third adjusting baffle air door, a second adjusting baffle air door, a fourth adjusting baffle;
the outlet of the primary air fan is connected with the outlet of a seventh adjusting baffle air door through a first bypass adjusting baffle air door;
the outlet of the seventh adjusting baffle air door is connected with each air chamber through the second bypass adjusting baffle air door and the adjusting baffle air door at the inlet of each air chamber respectively;
and the outlet of the seventh adjusting baffle air door is connected to the flue gas air preheater through an eighth adjusting baffle air door, and the outlet of the flue gas air preheater is connected with each air chamber through a ninth adjusting baffle air door and an adjusting baffle air door at the inlet of each air chamber respectively.
In the air supply device, the flue gas air preheater is arranged in front of the superheater in the third flue of the household garbage incineration boiler.
In the air supply device, the primary air preheater is formed by connecting a medium-pressure steam heater and a high-pressure steam heater, the medium-pressure steam heater is provided with a medium-pressure steam introducing pipe, and the high-pressure steam heater is provided with a high-pressure steam introducing pipe.
Among the above-mentioned air supply device, the air intake system in the incineration workshop includes:
and the air suction inlet 41 of the second incineration workshop is sequentially connected with a third fan silencer, a sixteenth adjusting baffle air door and a secondary air fan through pipelines, and the outlet of the secondary air fan is connected with the secondary air preheating system.
Among the above-mentioned air supply device, overgrate air preheating system includes:
seventeenth adjusting damper air door, overgrate air preheater and the eighteenth adjusting damper air door that connects gradually, the export of eighteenth adjusting damper air door is connected to the first overgrate air nozzle and the second overgrate air nozzle of establishing respectively in the throat department of the first flue junction at domestic waste incineration boiler through the adjusting damper air door that sets up on two pipelines and each pipeline respectively.
In the air supply device, the secondary air preheater is formed by connecting a medium-pressure steam heater and a high-pressure steam heater, the medium-pressure steam heater is provided with a medium-pressure steam introducing pipe, and the high-pressure steam heater is provided with a high-pressure steam introducing pipe.
In the air supply device, protective screens are arranged at the air suction openings of the first incineration workshop and the second incineration workshop.
The utility model has the advantages that: through setting up the primary air system that is formed by connecting furnace wall lateral wall cooling air system and primary air heating supply system, can send furnace wall lateral wall cooling air into primary air main intake after it is heated, improved the primary air temperature, the effectual energy of having retrieved has improved the thermal efficiency of burning furnace. And through setting up the overgrate air system that forms by air intake system and overgrate air preheating system connection in the incineration workshop, carry out the primary heating back to the overgrate air that comes from in the incineration workshop, send into incinerator furnace and the first flue of exhaust-heat boiler, help combustible gas complete combustion, adjust the interior temperature of stove. The air supply system formed by the method supplies air to the reciprocating grate waste incineration boiler, so that the problem of stable and efficient combustion of the household waste with high moisture, high ash content and low heat value in the incineration boiler is solved, and the method is particularly suitable for county-level cities and northeast cold regions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a combustion air supply device of a household garbage incineration boiler provided by an embodiment of the utility model;
in fig. 1, the reference numerals are: 01-a first incineration plant air suction opening, 02-a first fan silencer, 03-a first damper air door, 04-a furnace wall cooling fan, 05-a second damper air door, 06-a third damper air door, 07-a first furnace wall side wall cavity, 08-a second furnace wall side wall cavity, 09-a fourth damper air door, 10-a furnace wall cooling air induced draft fan, 11-a primary air suction header, 12-a second fan silencer, 13-a fifth damper air door, 14-a primary air fan, 15-a sixth damper air door, 16-a primary air preheater, 17-a first bypass damper air door, 18-a seventh damper air door, 19-a second bypass damper air door, 20-an eighth damper air door, 21-a third flue, 22-a superheater, 23-a flue gas air preheater, 24-a ninth adjusting baffle air door, 25-a hearth, 26-a dry ignition section grate, 27-a first air chamber, 28-a tenth adjusting baffle air door, 29-a combustion grate section, 30-a second air chamber, 31-a third air chamber, 32-a fourth air chamber, 33-an eleventh adjusting baffle air door, 34-a twelfth adjusting baffle air door, 35-a thirteenth adjusting baffle air door, 36-a combustion grate section, 37-a fifth air chamber, 38-a sixth air chamber, 39-a fourteenth adjusting baffle air door, 40-a fifteenth adjusting baffle air door, 41-a second incineration plant air suction inlet, 42-a third fan silencer and 43-a sixteenth adjusting baffle air door, 44-secondary air fan, 45-seventeenth adjusting baffle air door, 46-secondary air preheater, 47-third bypass adjusting baffle air door, 48-eighteenth adjusting baffle air door, 49-nineteenth adjusting baffle air door, 50-twentieth adjusting baffle air door, 51-first secondary air nozzle, 52-second secondary air nozzle and 53-first flue.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a domestic waste burns boiler burning air feed device, include: a primary air system and a secondary air system; wherein, the primary air system adopts a primary air preheater to heat mixed air from a garbage pit and a furnace wall cooling system, the mixed air is heated to 220 ℃ and then secondarily heated to 300 ℃ by a flue gas air preheater arranged in front of a garbage incineration boiler superheater, and the heated hot air is sent to each section of the furnace row as required through each air chamber (also called ash falling hopper) arranged below a drying ignition section, a combustion section and a burning section; the secondary air system adopts a secondary air preheater to heat air from an incineration workshop, and the air is sent into a throat at the joint of a hearth of the waste incineration boiler and the first flue through a secondary air nozzle after being heated to 220 ℃.
As shown in fig. 1, the specific structure is:
(1) a primary air system: the primary air system adopts an air source which comprises two parts, wherein one part is odor from the garbage bin, the air intake port is generally arranged at the side wall of the top of the garbage bin, the other part is furnace wall cooling air heated by a cavity on the side wall of the furnace wall, and the furnace wall cooling air is generally used for taking air in an incineration workshop on site.
The primary air system includes: a furnace wall side wall cooling air system and a primary air heating supply system, wherein,
a) furnace wall lateral wall cooling air system:
air in the incineration workshop is connected into a furnace wall cooling fan through a pipeline from an air exhaust inlet of the first incineration workshop, so that local air intake is realized; an adjusting baffle air door is arranged in front of an inlet of the furnace wall cooling fan, and a silencer is arranged in front of the adjusting baffle air door; the outlet of the furnace wall cooling fan is connected into the cavities of the side walls of the furnace walls at two sides for cooling the air, and the connecting pipelines at two sides are respectively provided with an adjusting baffle air door; air heated in the cavities of the side walls of the furnace walls at the two sides is connected into a primary air suction main pipe arranged behind an air suction opening of the side wall at the top of the garbage bin through a furnace wall cooling air draft fan, and an adjusting baffle air door is arranged in front of the furnace wall cooling air draft fan.
The air suction opening is provided with a protective net to prevent the equipment from being damaged by foreign matters sucked, and the protective net can be a metal net.
b) Primary air heating supply system:
an air suction opening is formed in the side wall of the top of the garbage bin and is connected to a primary air fan through a primary air suction main pipe, a silencer is arranged in front of the inlet of the primary air fan, and an adjusting baffle air door is arranged in front of the silencer; the outlet of the primary air fan is connected in parallel with a primary air preheater and a bypass adjusting baffle air door, and is connected in parallel with a flue gas air preheater and the bypass adjusting baffle air door through pipelines, and finally the flue gas air preheater and the bypass adjusting baffle air door are divided into 6 branch paths to be connected into 6 air chambers below a grate drying ignition section, a combustion section and a burnout section, and adjusting baffle air doors are respectively arranged on branch path pipelines before the flue gas air preheater and the bypass adjusting baffle air door enter the.
The air suction opening is provided with the metal net, so that the device is prevented from being damaged by sucked foreign matters.
The inlet and the outlet of the primary air preheater are both provided with adjusting baffle air doors.
The primary air preheater is of a two-section type, high-pressure steam and medium-pressure steam are respectively used as heating media, and the temperature of the heated primary air generally reaches 220 ℃.
The flue gas air preheater is arranged in front of a third flue superheater of the waste incineration boiler, the inlet and the outlet are both provided with adjusting baffle air doors, and the temperature of primary air after heating can reach 300 ℃.
The 6 air chambers are respectively 1 below the drying ignition section of the fire grate, the combustion section is divided into 3 segments in the length direction, 1 air chamber is respectively arranged below each segment, the burnout section is divided into 2 segments in the length direction, and 1 air chamber is respectively arranged below each segment for 5 total.
The air quantity sent into each chamber can be independently adjusted according to the combustion working conditions of the corresponding fire grate sections.
Specifically, the connection structure of the primary air system is as follows:
air in the incineration workshop is introduced into a furnace wall cooling fan 04 through a first incineration workshop air suction opening 01 through a pipeline, a first adjusting baffle air door 03 is arranged at an inlet of the furnace wall cooling fan 04, and a first fan silencer 02 is arranged in front of the first adjusting baffle air door 03; the outlet of the furnace wall cooling fan 04 is divided into two paths which are connected in parallel into a first furnace wall side wall cavity 07 and a second furnace wall side wall cavity 08 at two sides of the boiler, and a second adjusting baffle plate air door 05 and a third adjusting baffle plate air door 06 are respectively arranged on pipelines before entering the furnace wall side wall cavities 07 and 08; heated air from the furnace wall side wall cavities 07 and 08 is converged into a path of primary air suction header pipe 11 after being introduced into the primary air suction header pipe 11 by a furnace wall cooling air draft fan 10, and a fourth adjusting baffle plate air door 09 is arranged in front of the furnace wall cooling air draft fan 10.
Air in the garbage bin is connected into a primary air fan 14 through a pipeline by a primary air suction main pipe 11, a fifth adjusting baffle air door 13 is arranged at the inlet of the primary air fan 14, and a second fan silencer 12 is arranged in front of the fifth adjusting baffle air door 13; the outlet of the primary air fan 14 is connected in parallel with a primary air preheater 16 and a first bypass damper 17, and the inlet and the outlet of the primary air preheater 16 are respectively provided with a sixth damper 15 and a seventh damper 18; the primary air heated by the primary air preheater 16 and the bypass primary air are converged and then connected in parallel into a flue gas air preheater 23 and a second bypass adjusting baffle air door 19 in two paths, wherein the flue gas air preheater 23 is arranged in front of a superheater 22 in a third flue 21 of the waste incineration boiler, and an inlet and an outlet of the flue gas air preheater 23 are respectively provided with an eighth adjusting baffle air door 20 and a ninth adjusting baffle air door 24; the primary air and the bypass primary air which are heated again by the flue gas air preheater 23 and heated up are merged and then are respectively connected into 6 paths of a first air chamber 27 below a drying ignition section grate 26, a second air chamber 30, a third air chamber 31, a fourth air chamber 32 below a combustion grate section 29 and a fifth air chamber 37, a sixth air chamber 38 below an after-combustion grate section 36 in a hearth 25 of the waste incineration boiler, and each branch pipe in front of each air chamber 27, 30, 31, 32, 37, 38 is sequentially provided with an adjusting baffle air door 28, 33, 34, 35, 39, 40.
(2) A secondary air system: the system consists of an air intake system and a secondary air preheating system in an incineration workshop;
the secondary air system adopts air source in the incineration workshop, and generally takes air on site.
Air in the incineration workshop is connected into a secondary fan through a pipeline system from an air suction inlet of a second incineration workshop, a fan silencer is arranged in front of an inlet of the secondary fan, and an adjusting baffle air door is arranged in front of the fan silencer; the outlet of the secondary air fan is connected in parallel to the secondary air preheater and the bypass adjusting baffle air door, and then is connected to the two secondary air nozzles through pipelines to realize air supply.
Above-mentioned second burns workshop air inlet scoop setting, prevents to inhale the foreign matter and causes the damage to equipment, and the protection network can adopt the metal mesh.
The inlet and the outlet of the secondary air preheater are both provided with adjusting baffle air doors.
The secondary air preheater is of a 2-section type, high-pressure steam and medium-pressure steam are respectively used as heating media, and the temperature of primary air after heating generally reaches 220 ℃.
The secondary air nozzles are arranged at the throat part where the garbage incineration boiler hearth is connected with the first flue, the front group and the rear group are arranged, each nozzle branch of each group is provided with an adjusting baffle air door, and the secondary air nozzles can be independently adjusted according to the combustion condition of flue gas in the hearth.
Specifically, the connection structure of the secondary air system is as follows:
air in the incineration workshop is introduced into a secondary air fan 44 through a pipeline through a second incineration workshop air suction inlet 41, a sixteenth adjusting baffle air door 43 is arranged at the inlet of the secondary air fan 44, and a third fan silencer 42 is arranged in front of the sixteenth adjusting baffle air door 43;
the outlet of the secondary air fan 44 is divided into two paths and connected in parallel with a secondary air preheater 46 and a third bypass adjusting baffle damper 47, and the inlet and the outlet of the secondary air preheater 46 are respectively provided with a seventeenth adjusting baffle damper 45 and an eighteenth adjusting baffle damper 48; the primary air heated by the secondary air preheater 46 and the bypass primary air are merged and then are respectively connected into the first secondary air nozzle 51 and the second secondary air nozzle 52 at the throat part connected with the hearth 25 of the waste incineration boiler and the first flue 53 of the waste incineration boiler, and the nineteenth adjusting baffle air door 49 and the twentieth adjusting baffle air door 50 are correspondingly arranged in front of the two secondary air nozzles 51 and 52.
The air supply system has the advantages that: the cooling air on the side wall of the furnace wall is sent into the primary air suction main pipe after being heated, so that the primary air temperature is improved, the energy is effectively recovered, and the heat efficiency of the incinerator is improved. The primary air from the garbage bin is primarily heated by a two-section steam air preheater to reach 220 ℃, and then secondarily heated by a flue gas air preheater to reach 300 ℃, so that the primary air supply temperature is greatly increased, the heat of entering the furnace is increased, and the system stability of the garbage burning with high moisture, high ash content and low heat value in the furnace is facilitated. After secondary air from an incineration workshop is subjected to primary heating by adopting two-section type steam and an air preheater, the temperature reaches 220 ℃, and the secondary air is sent to a throat at the joint of a hearth of the incinerator and a first flue of the waste heat boiler, so that combustible gas can be completely combusted, and the temperature in the incinerator can be adjusted. Through the optimization of the combustion air supply system of the reciprocating grate waste incineration boiler, the stable and efficient combustion of the household garbage with high moisture, high ash content and low heat value in the incineration boiler is realized, and particularly the household garbage with the high moisture, high ash content and low heat value is used for county-level cities and cold regions in northeast China.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a domestic waste burns boiler burning air feed device which characterized in that includes:
a primary air system and a secondary air system; wherein,
the primary air system comprises: the furnace wall side wall cooling air system and the primary air heating supply system are sequentially connected;
the overfire air system comprises: an air intake system and a secondary air preheating system in the incineration workshop are sequentially connected;
the primary air heating supply system is connected to each air chamber of the household garbage incineration boiler;
the secondary air preheating system is connected to a first flue of the household garbage incineration boiler.
2. The domestic waste incineration boiler combustion air supply device of claim 1, wherein the furnace wall side wall cooling air system comprises:
first incineration workshop air inlet scoop is connected with first fan muffler, first adjusting baffle air door and furnace wall cooling blower in proper order through the pipeline, furnace wall cooling blower export respectively is connected to respectively through an adjusting baffle air door the both sides furnace wall lateral wall cavity of domestic waste incineration boiler, both sides furnace wall lateral wall cavity with primary air heating feed system connects.
3. The domestic waste incineration boiler combustion air supply device of claim 2, wherein a protective screen is arranged at the air suction opening of the first incineration plant.
4. The domestic waste incineration boiler combustion air supply device of claim 1, wherein the primary air heating supply system comprises:
the furnace wall cooling air system comprises a furnace wall cooling air system, a first air suction header pipe, a first fan silencer, a first adjusting baffle air door, a first air fan, a second adjusting baffle air door, a third adjusting baffle air door, a second adjusting baffle air door, a fourth adjusting baffle;
the outlet of the primary air fan is connected with the outlet of a seventh adjusting baffle air door through a first bypass adjusting baffle air door;
the outlet of the seventh adjusting baffle air door is connected with each air chamber through the second bypass adjusting baffle air door and the adjusting baffle air door at the inlet of each air chamber respectively;
and the outlet of the seventh adjusting baffle air door is connected to the flue gas air preheater through an eighth adjusting baffle air door, and the outlet of the flue gas air preheater is connected with each air chamber through a ninth adjusting baffle air door and an adjusting baffle air door at the inlet of each air chamber respectively.
5. The domestic waste incineration boiler combustion air supply device of claim 4, wherein the flue gas air preheater is provided before the superheater in the third flue of the domestic waste incineration boiler.
6. The domestic waste incineration boiler combustion air supply device of claim 4, wherein the primary air preheater is formed by connecting a medium-pressure steam heater and a high-pressure steam heater, the medium-pressure steam heater is provided with a medium-pressure steam introduction pipe, and the high-pressure steam heater is provided with a high-pressure steam introduction pipe.
7. The domestic waste incineration boiler combustion air supply device of any one of claims 1 to 6, wherein the air intake system in the incineration plant comprises:
and the air suction inlet of the second incineration workshop is sequentially connected with a third fan silencer, a sixteenth adjusting baffle air door and a secondary air fan through pipelines, and the outlet of the secondary air fan is connected with the secondary air preheating system.
8. The domestic waste incineration boiler combustion air supply device of claim 7, wherein a protective screen is arranged at the air suction opening of the second incineration plant.
9. The domestic waste incineration boiler combustion air supply device of any one of claims 1 to 6, wherein the overfire air preheating system comprises:
seventeenth adjusting damper air door, overgrate air preheater and the eighteenth adjusting damper air door that connects gradually, the export of eighteenth adjusting damper air door is connected to the first overgrate air nozzle and the second overgrate air nozzle of establishing respectively in the throat department of the first flue junction at domestic waste incineration boiler through the adjusting damper air door that sets up on two pipelines and each pipeline respectively.
10. The combustion air supply device of the household garbage incineration boiler as claimed in claim 9, wherein the secondary air preheater is formed by connecting a medium-pressure steam heater and a high-pressure steam heater, the medium-pressure steam heater is provided with a medium-pressure steam introduction pipe, and the high-pressure steam heater is provided with a high-pressure steam introduction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852775.7U CN204534600U (en) | 2014-12-26 | 2014-12-26 | Domestic refuse incinerator burning air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852775.7U CN204534600U (en) | 2014-12-26 | 2014-12-26 | Domestic refuse incinerator burning air supply device |
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| CN204534600U true CN204534600U (en) | 2015-08-05 |
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| CN201420852775.7U Expired - Fee Related CN204534600U (en) | 2014-12-26 | 2014-12-26 | Domestic refuse incinerator burning air supply device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105402738A (en) * | 2015-12-30 | 2016-03-16 | 重庆科技学院 | Dual-layer mechanical grate type garbage gasifying incinerator and dual-boiler system thereof |
| CN105444182A (en) * | 2015-12-30 | 2016-03-30 | 重庆科技学院 | Double-layered mechanical grate type garbage gasifying incinerator and boiler system |
| CN107013927A (en) * | 2017-06-01 | 2017-08-04 | 深圳市能源环保有限公司 | A kind of waste incinerator furnace wall cools down wind collection system |
| CN108302545A (en) * | 2018-03-27 | 2018-07-20 | 中国恩菲工程技术有限公司 | The Secondary Air air draft system of incineration plant |
| CN112013372A (en) * | 2020-08-14 | 2020-12-01 | 国家电投集团电站运营技术（北京）有限公司 | Biomass boiler power generation system |
| CN114234203A (en) * | 2021-12-27 | 2022-03-25 | 深圳能源环保股份有限公司 | Prevent excessive exhaust system of odor during start-stop of msw incineration power plant |
| CN114263912A (en) * | 2021-12-31 | 2022-04-01 | 上海康恒环境股份有限公司 | Garbage incinerator and primary air chamber supporting beam cooling system thereof |
| CN116164290A (en) * | 2023-02-08 | 2023-05-26 | 中节能(象山)环保能源有限公司 | Multifunctional air supply system and process of garbage incineration boiler |
-
2014
- 2014-12-26 CN CN201420852775.7U patent/CN204534600U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105402738A (en) * | 2015-12-30 | 2016-03-16 | 重庆科技学院 | Dual-layer mechanical grate type garbage gasifying incinerator and dual-boiler system thereof |
| CN105444182A (en) * | 2015-12-30 | 2016-03-30 | 重庆科技学院 | Double-layered mechanical grate type garbage gasifying incinerator and boiler system |
| CN107013927A (en) * | 2017-06-01 | 2017-08-04 | 深圳市能源环保有限公司 | A kind of waste incinerator furnace wall cools down wind collection system |
| CN108302545A (en) * | 2018-03-27 | 2018-07-20 | 中国恩菲工程技术有限公司 | The Secondary Air air draft system of incineration plant |
| CN112013372A (en) * | 2020-08-14 | 2020-12-01 | 国家电投集团电站运营技术（北京）有限公司 | Biomass boiler power generation system |
| CN114234203A (en) * | 2021-12-27 | 2022-03-25 | 深圳能源环保股份有限公司 | Prevent excessive exhaust system of odor during start-stop of msw incineration power plant |
| WO2023124588A1 (en) * | 2021-12-27 | 2023-07-06 | 深圳能源环保股份有限公司 | Air draft system for preventing odor from escaping during furnace starting and stopping in waste incineration power plant |
| CN114263912A (en) * | 2021-12-31 | 2022-04-01 | 上海康恒环境股份有限公司 | Garbage incinerator and primary air chamber supporting beam cooling system thereof |
| CN116164290A (en) * | 2023-02-08 | 2023-05-26 | 中节能(象山)环保能源有限公司 | Multifunctional air supply system and process of garbage incineration boiler |
| CN116164290B (en) * | 2023-02-08 | 2023-08-11 | 中节能(象山)环保能源有限公司 | Multifunctional air supply system and process of garbage incineration boiler |
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