CN108980839B - A kind of dump pit heating defrosting system - Google Patents
A kind of dump pit heating defrosting system Download PDFInfo
- Publication number
- CN108980839B CN108980839B CN201810567255.4A CN201810567255A CN108980839B CN 108980839 B CN108980839 B CN 108980839B CN 201810567255 A CN201810567255 A CN 201810567255A CN 108980839 B CN108980839 B CN 108980839B
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- Prior art keywords
- air
- level
- air preheater
- fixedly connected
- preheater
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/085—High-temperature heating means, e.g. plasma, for partly melting the waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/50213—Preheating processes other than drying or pyrolysis
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
Abstract
The invention discloses a kind of dump pits to heat defrosting system, including the blower being arranged above dump pit, air hose is laterally arranged in the top of the blower, the bottom of the air hose is fixedly connected with First air level-one air preheater and First air second level air preheater by control valve two, the First air level-one air preheater is located at the top of First air second level air preheater, dump pit air inlet one is fixedly connected at the top of the First air level-one air preheater, it is fixedly connected with steam turbine one on the left of the First air level-one air preheater and takes out and carrys out vapour, First air level-one air preheater is fixedly connected with level-one air preheater condensed water main pipe by pipeline, drum, which is fixedly connected with, on the left of First air second level air preheater carrys out vapour, First air second level air preheater is fixedly connected with second level air preheater condensed water main pipe by pipeline.The beneficial effects of the present invention are: having in winter dump pit rubbish normal fermentation, calorific value meets the requirement of incinerator, guarantees the characteristics of entire winter garbage incinerating power plant stablizes continuous production.
Description
Technical field
The present invention relates to waste incineration and generating electricity technical field, specially a kind of dump pit heats defrosting system.
Background technique
Waste incineration and generating electricity technology is widely applied in China, and minimizing is played in garbage disposal, innoxious, recycling
Effect, has become the major way of life in China garbage disposal.In north of China, winter temperature is subzero, across when it is longer, collect
Rubbish in be easy freeze, after putting into dump pit, dump pit temperature is suitable with outdoor temperature, and the rubbish of icing is not easy to melt,
Adverse effect is generated to furnace refuse thermal value is entered.In order to guarantee the sustainable fermentation of the rubbish in winter dump pit, need to carry out rubbish
Cheat optimization design.
Summary of the invention
Present invention solves the technical problem that being to overcome defect of the existing technology, a kind of dump pit heating defrosting is provided
System.The dump pit heating defrosting system has in winter dump pit rubbish normal fermentation, and calorific value meets wanting for incinerator
It asks, guarantees the characteristics of entire winter garbage incinerating power plant stablizes continuous production.
To achieve the above object, the invention provides the following technical scheme: a kind of dump pit heats defrosting system, including rubbish
The blower that hole top is arranged, laterally setting air hose, the bottom of the air hose are fixed by control valve two at the top of the blower
First air level-one air preheater and First air second level air preheater are connected, it is empty pre- that the First air level-one air preheater is located at First air second level
The top of device, dump pit air inlet one is fixedly connected at the top of the First air level-one air preheater, and the First air level-one is empty
It is fixedly connected with steam turbine one on the left of pre- device and takes out and carrys out vapour, the First air level-one air preheater is fixedly connected with level-one by pipeline
Air preheater condensed water main pipe is fixedly connected with drum on the left of the First air second level air preheater and comes vapour, the First air second level
Air preheater is fixedly connected with second level air preheater condensed water main pipe by pipeline, and the level-one air preheater condensed water main pipe and second level are empty
Pre- device condensed water main pipe is fixedly connected with the hydrophobic main pipe of low pressure, and the right end of the air hose is fixedly installed with control valve one, described
Control valve one and First air second level air preheater pass through pipeline and connect primary air fan, the control valve one and primary air fan it
Between be provided with control valve three, the right end of the control valve one is fixedly connected with furnace wall, and the right end of the furnace wall is fixedly installed with
Furnace wall blower is provided with dump pit air inlet two on the right side of the furnace wall blower.
Preferably, the quantity of the primary air fan is several, and is successively linearly arranged according to sequence from left to right,
Several described primary air fans are respectively connected with independent pipeline.
Preferably, the control valve one, control valve two and its structure of control valve three are all the same, specially electromagnetism control
Valve processed.
Preferably, the quantity of the blower is several, and successively linear arrangement, several blowers are equal from left to right
Air hose is fixedly connected with by main pipeline.
Preferably, the structure and working principle of the First air level-one air preheater and First air second level air preheater are all the same.
Compared with prior art, the beneficial effects of the present invention are: having in winter dump pit rubbish normal fermentation, calorific value
The requirement for meeting incinerator guarantees the characteristics of entire winter garbage incinerating power plant stablizes continuous production.
Detailed description of the invention
Fig. 1 is operation principle schematic diagram of the present invention；
Figure label: 1 blower, 2 air hoses, 3 control valves one, 4 furnace walls, 5 furnace wall blowers, 6 dump pit air inlets two, 7 rubbish
Rubbish hole air inlet one, 8 steam turbines one pumping come vapour, 9 First air level-one air preheaters, 10 drums and come vapour, the control of 11 control valves two, 12
It is valve three, 13 First air second level air preheaters, 14 level-one air preheater condensed water main pipes, 15 second level air preheater condensed water main pipes, 16 low
Press hydrophobic main pipe, 17 primary air fans.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of dump pit heating defrosting system, including on dump pit
The blower 1 being just arranged, laterally setting air hose 2, the quantity of the blower 1 are several at the top of the blower 1, and from left to right
Successively linear arrangement, several blowers 1 are fixedly connected with air hose 2 by main pipeline, and the bottom of the air hose 2 passes through control
Valve 2 11 is fixedly connected with First air level-one air preheater 9 and First air second level air preheater 13,9 He of First air level-one air preheater
The structure and working principle of First air second level air preheater 13 are all the same, and the First air level-one air preheater 9 is located at First air second level
The top of air preheater 13, the top of the First air level-one air preheater 9 is fixedly connected with dump pit air inlet 1, described primary
The left side of wind level-one air preheater 9, which is fixedly connected with steam turbine one and takes out, carrys out vapour 8, and the First air level-one air preheater 9 is solid by pipeline
Surely it is connected with level-one air preheater condensed water main pipe 14, the left side of the First air second level air preheater 13 is fixedly connected with drum and carrys out vapour
10, the First air second level air preheater 13 is fixedly connected with second level air preheater condensed water main pipe 15 by pipeline, and the level-one is empty
Pre- device condensed water main pipe 14 and second level air preheater condensed water main pipe 15 are fixedly connected with the hydrophobic main pipe 16 of low pressure, the air hose 2
Right end is fixedly installed with control valve 1, and the control valve 1 connects one by pipeline with First air second level air preheater 13
The quantity of secondary blower 17, the primary air fan 17 is several, and is successively linearly arranged according to sequence from left to right, several
A primary air fan 17 is respectively connected with independent pipeline, is provided with control between the control valve 1 and primary air fan 17
Valve 3 12, the control valve 1, control valve 2 11 and its structure of control valve 3 12 are all the same, specially electromagnetism control
Valve processed, the right end of the control valve 1 are fixedly connected with furnace wall 4, and the right end of the furnace wall 4 is fixedly installed with furnace wall blower 5, institute
The right side for stating furnace wall blower 5 is provided with dump pit air inlet 26.
Working principle
1. waste incineration primary air system, First air level-one air preheater 9 is pumped into air from dump pit air inlet 1, and makes
It uses steam turbine one to take out and carrys out vapour 8 as heat source, to being promoted air from room temperature to 140 DEG C, steam flows back into after heat exchange
Level-one air preheater condenses main pipe 14；
2. the air for being heated to 140 DEG C enters back into First air second level air preheater 13, First air second level air preheater 13 uses vapour
Packet carrys out vapour 10 and is used as heat source, and 140 DEG C of air is promoted to 230 DEG C and is imported with 4 cooling wind of furnace wall together by corresponding First air
Machine 17 sprays into incinerator, and steam flows back into second level air preheater condensed water main pipe 15 after heat exchange；
3. level-one air preheater condense main pipe 14 and second level air preheater condensed water main pipe 15 all with hydrophobic 16 connection of main pipe of low pressure,
Steam is discharged by different pressures；
4. 4 cooling wind of furnace wall is pumped into air from dump pit air inlet 26 by furnace wall blower 5, it is transported in furnace wall, is flowed
Dynamic cooling；
5. opening up bypass between the air hose between First air level-one air preheater 9 and First air second level air preheater 13, and install additional
Control valve 2 11, lead to dump pit at the top of air hose 2,4 cooling wind of furnace wall lead to primary air fan 17 pipeline in control valve is set
Door one 3 and is also provided with control valve 2 11 towards dump pit, the blower 1 above dump pit against the wind pipe one end configuration dump pit；
When rubbish freezes in winter, in order to improve temperature in dump pit, openable control valve 2 11, control valve 1,
And closing control valve 3 12, such 140 DEG C of air converges at dump pit against the wind pipe with furnace wall cooling wind, using rubbish
Hole top blower 1 sprays into dump pit, to rubbish continuous heating in cheating, icing rubbish is accelerated to melt, thus the effectively hair in hole
Ferment improves refuse thermal value.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (1)
1. a kind of dump pit heats defrosting system, including the blower (1) being arranged above dump pit, it is characterised in that: the blower
(1) laterally setting air hose (2) of top, the bottom of the air hose (2) are fixedly connected with First air one by control valve two (11)
Grade air preheater (9) and First air second level air preheater (13), the First air level-one air preheater (9) are located at First air second level air preheater
(13) top is fixedly connected with dump pit air inlet one (7) at the top of the First air level-one air preheater (9), described primary
It is fixedly connected with steam turbine one on the left of wind level-one air preheater (9) and takes out and carrys out vapour (8), the First air level-one air preheater (9) passes through
Pipeline is fixedly connected with level-one air preheater condensed water main pipe (14), is fixedly connected on the left of the First air second level air preheater (13)
There is drum to come vapour (10), the First air second level air preheater (13) is fixedly connected with second level air preheater condensed water main pipe by pipeline
(15), it is hydrophobic to be fixedly connected with low pressure for the level-one air preheater condensed water main pipe (14) and second level air preheater condensed water main pipe (15)
Main pipe (16), the right end of the air hose (2) are fixedly installed with control valve one (3), the control valve one (3) and First air two
Grade air preheater (13) connects primary air fan (17) by pipeline, sets between the control valve one (3) and primary air fan (17)
It is equipped with control valve three (12), the right end of the control valve one (3) is fixedly connected furnace wall (4), and the right end of the furnace wall (4) is solid
Dingan County is equipped with furnace wall blower (5), is provided with dump pit air inlet two (6), the primary air fan on the right side of the furnace wall blower (5)
(17) quantity is several, and is successively linearly arranged according to sequence from left to right, several described primary air fans (17)
It is respectively connected with independent pipeline, the control valve one (3), control valve two (11) and its structure of control valve three (12) are homogeneous
Together, specially solenoid electric valve, the quantity of the blower (1) are several, and successively linear arrangement from left to right, Ruo Gansuo
It states blower (1) to be fixedly connected air hose (2) by main pipeline, the First air level-one air preheater (9) and First air second level are empty pre-
The structure and working principle of device (13) are all the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567255.4A CN108980839B (en) | 2018-06-05 | 2018-06-05 | A kind of dump pit heating defrosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567255.4A CN108980839B (en) | 2018-06-05 | 2018-06-05 | A kind of dump pit heating defrosting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108980839A CN108980839A (en) | 2018-12-11 |
| CN108980839B true CN108980839B (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810567255.4A Active CN108980839B (en) | 2018-06-05 | 2018-06-05 | A kind of dump pit heating defrosting system |
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| CN (1) | CN108980839B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974000A (en) * | 2019-02-25 | 2019-07-05 | 深圳市绿色东方环保有限公司 | It is a kind of that pre-warm technique being carried out to garbage warehouse using boiler air-supply |
| CN112393266A (en) * | 2020-11-20 | 2021-02-23 | 西安热工研究院有限公司 | System for heating garbage pit by utilizing flue gas waste heat in garbage incineration power station |
| CN113007728B (en) * | 2021-03-11 | 2023-03-31 | 机械工业第九设计研究院股份有限公司 | Anti-freezing control scheme for RTO inlet valve in severe cold area |
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| CN203395926U (en) * | 2013-07-03 | 2014-01-15 | 南通天蓝环保能源成套设备有限公司 | Winter refuse heating system for household refuse incineration power plant |
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| CN206001477U (en) * | 2016-08-17 | 2017-03-08 | 重庆钢铁集团设计院有限公司 | A kind of First air air inlet system for promoting garbage power plant rubbish fermentation |
| CN106594742A (en) * | 2016-12-31 | 2017-04-26 | 上海康恒环境股份有限公司 | System for heating and unfreezing winter dump pit of garbage incineration power plant |
-
2018
- 2018-06-05 CN CN201810567255.4A patent/CN108980839B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203395926U (en) * | 2013-07-03 | 2014-01-15 | 南通天蓝环保能源成套设备有限公司 | Winter refuse heating system for household refuse incineration power plant |
| CN204052347U (en) * | 2014-08-06 | 2014-12-31 | 山东国环产业投资有限公司 | One way of life rubbish increased winter temperature rising fermentation system |
| CN106287740A (en) * | 2016-08-17 | 2017-01-04 | 重庆钢铁集团设计院有限公司 | A kind of garbage storing hole heating system |
| CN106287730A (en) * | 2016-08-17 | 2017-01-04 | 重庆钢铁集团设计院有限公司 | A kind of garbage storing hole heating means |
| CN206001477U (en) * | 2016-08-17 | 2017-03-08 | 重庆钢铁集团设计院有限公司 | A kind of First air air inlet system for promoting garbage power plant rubbish fermentation |
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| Publication number | Publication date |
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| CN108980839A (en) | 2018-12-11 |
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