CN110242946A - A kind of waste heat boiler mechanism of the fume treatment with air preheater - Google Patents
A kind of waste heat boiler mechanism of the fume treatment with air preheater Download PDFInfo
- Publication number
- CN110242946A CN110242946A CN201910544373.8A CN201910544373A CN110242946A CN 110242946 A CN110242946 A CN 110242946A CN 201910544373 A CN201910544373 A CN 201910544373A CN 110242946 A CN110242946 A CN 110242946A
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- Prior art keywords
- air preheater
- pipe
- evaporation tubes
- temperature air
- soft water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/36—Water and air preheating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a kind of waste heat boiler mechanism of fume treatment with air preheater, the inventive structure is reasonable, due to being internally provided with the first evaporation tubes, second evaporation tubes and soft water heater, after exchanging heat to flue gas, thermal energy can be utilized by being converted into hot water and steam etc., channel in entire powder collection storehouse is to be arranged vertically, in flue gas heat exchange and heating process, after particulate pollutant in flue gas is detached from, it will fall into the funnel of powder collection storehouse and low temperature air preheater lower end, first is that greatly reducing the particulate pollutant in flue gas, two are easy for the collection of particulate pollutant, whole interior is provided with medium temperature air preheater and low temperature air preheater, medium temperature heating and low-temperature heat are successively carried out by two air preheaters, reduce fuel quantity consumption, save resource.
Description
Technical field
The present invention relates to waste heat boiler technical field, specially a kind of waste heat boiler of the fume treatment with air preheater
Mechanism.
Background technique
Waste heat boiler, as the term suggests refer to using in various industrial process exhaust gas, waste material or waste heat in waste liquid and its
The heat generated after combustible burning is heated to water in the boiler of certain temperature.It is recycled with smoke box, flue residue heat
Oil burning boiler, gas fired-boiler, coal-burning boiler are also referred to as waste heat boiler, and waste heat boiler can produce hot water or steaming by waste heat recycling
Vapour uses to supply other workshop sections.
Traditional waste heat boiler is much also arranged using horizontal pipeline, in contaminant particle collection not enough completely, is easy to fall
In pipeline, and there are also very big room for promotion in the utilization of resources, it would therefore be highly desirable to which a kind of improved technology solves existing skill
This problem in the presence of art.
Summary of the invention
The purpose of the present invention is to provide a kind of waste heat boiler mechanism of fume treatment with air preheater, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of fume treatment is with more than air preheater
Heat boiler mechanism, including it is smoke inlet, bracket, the first evaporation tubes, medium temperature air preheater, powder collection storehouse, the second evaporation tubes, soft
Water heater, low temperature air preheater, outlet flue, drum, high-order thermal deaerator, exhaust desorption tube, the first hose, boiler feedwater
Pump, the second hose, third hose, the first feed pipe, the second feed pipe, the first hemispherical dome pipe, the second hemispherical dome pipe,
Third hemispherical dome pipe, carrier gas blower, carrier gas general pipeline and air hose, the smoke inlet is set to cantilever tip side, described into cigarette
Mouthful bottom end is connected with the first evaporation tubes top, and first evaporation tubes bottom end is connected with medium temperature air preheater top, it is described in
Warm air preheater bottom end is connected with powder collection storehouse upper surface one end, the powder collection storehouse upper surface other end and the second evaporation tube
Road bottom end is connected, and second evaporation tubes top is connected with soft water heater bottom end, and the soft water heater top passes through pipe
Road is connected with low temperature air preheater top, and the low temperature air preheater Basolateral is provided with outlet flue, and the cantilever tip is also set up
There are drum, high-order thermal deaerator and exhaust desorption tube, the high position thermal deaerator is connected with first hose one end, described
The first hose other end is connected with boiler feed pump one end, and the boiler feed pump other end adds with the second hose with soft water
Hot device one end be connected, the soft water heater other end is connected with third hose one end, the third hose other end and
Drum be connected, the drum also with the first feed pipe and the second feed pipe, first feed pipe also with the first evaporation tubes phase
Even, second feed pipe is also connected with the second evaporation tubes, and medium temperature air preheater top is connected to the first hemispherical dome pipe, institute
It states medium temperature air preheater bottom end to be connected by the second hemispherical dome pipe with low temperature air preheater top, low temperature air preheater bottom end passes through
Third hemispherical dome pipe is connected with carrier gas blower, and the carrier gas blower is also connected with carrier gas general pipeline, the third hemispherical dome pipe
Closely also pass through threeway from carrier gas blower one end to be connected with the air hose for opening combustion room is connected to.
Preferably, first evaporation tubes and the second evaporation tubes structure are consistent, first evaporation tubes and second
Water pipe is provided in evaporation tubes.
Preferably, the third hemispherical dome pipe is located above threeway and is provided with air-valve on air hose.
Preferably, the powder collection storehouse and low temperature air preheater bottom end are funnel structure and are provided with star lock gas
Valve.
Preferably, the drum is connected with exhaust desorption tube and steam pipe respectively by threeway, and the steam pipe passes to point
Cylinder.
Preferably, deaerator feedwater pipe, the deaerator feedwater pipe other end are provided on the high-order thermal deaerator
It connects on condensed-water recovering device.
Preferably, the stent outer is provided with ladder.
Preferably, application method the following steps are included:
Step 1: the high-temperature flue gas that incinerator generates enters from smoke inlet, first passes around the first evaporation tubes, and heat exchange is steamed
Vapour, steam enter in drum, and drain into sub-cylinder by steam pipe；
Step 2: carrying out medium temperature heating by medium temperature air preheater, and the particle of part is detached from flue gas in the process, falls into powder collection
In storehouse, and it is discharged from lower end；
Step 3: flue gas enters the second evaporation tubes from the powder collection storehouse other end, and heat exchange obtains steam again, and passes through steaming
Steam pipe drains into sub-cylinder；
Step 4: entering in soft water heater, heat to the soft water in soft water heater, which comes from condensate-water polishing
Device enters boiler feed pump from high-order thermal deaerator and enters back into soft water heater, and the soft water after heating enters in drum；
Step 5: last flue gas enters in low temperature air preheater, carries out low-temperature heat, and the partial particulate in flue gas falls off again, from
The discharge of low temperature air preheater lower end, flue gas enter in follow-up equipment from outlet flue.
Compared with prior art, the beneficial effects of the present invention are:
(1) structure is more reasonable, due to being internally provided with the first evaporation tubes, the second evaporation tubes and soft water heater, to cigarette
After gas is exchanged heat, thermal energy can be utilized by being converted into hot water and steam etc..
(2) channel in entire powder collection storehouse is to be arranged vertically, in flue gas heat exchange and heating process, in flue gas
After particulate pollutant is detached from, can all it fall into the funnel of powder collection storehouse and low temperature air preheater lower end, first is that greatly reducing cigarette
Particulate pollutant in gas, two are easy for the collection of particulate pollutant.
(3) whole interior is provided with medium temperature air preheater and low temperature air preheater, successively carries out medium temperature by two air preheaters and adds
Heat and low-temperature heat reduce fuel quantity consumption, save resource.
Detailed description of the invention
Fig. 1 is positive structure diagram of the present invention.
Fig. 2 is backsight structural representation of the present invention.
Fig. 3 is cross section structure schematic diagram at A-A in attached drawing 1.
Fig. 4 is cross section structure schematic diagram at B-B in attached drawing 1.
In figure: smoke inlet 1, bracket 2, the first evaporation tubes 3, medium temperature air preheater 4, powder collection storehouse 5, the second evaporation tubes
6, soft water heater 7, low temperature air preheater 8, outlet flue 9, drum 10, high-order thermal deaerator 11, exhaust desorption tube 12, first are soft
Water pipe 13, boiler feed pump 14, the second hose 15, third hose 16, the first feed pipe 17, the second feed pipe 18, first
Hemispherical dome pipe 19, the second hemispherical dome pipe 20, third hemispherical dome pipe 21, carrier gas blower 22, carrier gas general pipeline 23, air hose 24,
Water pipe 25, air-valve 26, star blocking valve 27, deaerator feedwater pipe 29, ladder 30.
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.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of waste heat pot of the fume treatment with air preheater
Furnace mechanism, including smoke inlet 1, bracket 2, the first evaporation tubes 3, medium temperature air preheater 4, powder collection storehouse 5, the second evaporation tubes 6,
Soft water heater 7, low temperature air preheater 8, outlet flue 9, drum 10, high-order thermal deaerator 11, exhaust desorption tube 12, the first soft water
Pipe 13, boiler feed pump 14, the second hose 15, third hose 16, the first feed pipe 17, the second feed pipe 18, first days
Circularly square tube 19, the second hemispherical dome pipe 20, third hemispherical dome pipe 21, carrier gas blower 22, carrier gas general pipeline 23 and air hose 24, into
Mouth 1 is set to 2 top side of bracket, and ladder 30,1 bottom end of smoke inlet and 3 top of the first evaporation tubes are provided on the outside of bracket 2
It is connected, 3 bottom end of the first evaporation tubes is connected with 4 top of medium temperature air preheater, table on 4 bottom end of medium temperature air preheater and powder collection storehouse 5
Face one end is connected, and the 5 upper surface other end of powder collection storehouse is connected with 6 bottom end of the second evaporation tubes, the first evaporation tubes 3 and second
6 structure of evaporation tubes is consistent, and water pipe 25, the second evaporation tubes 6 are provided in the first evaporation tubes 3 and the second evaporation tubes 6
Top is connected with 7 bottom end of soft water heater, and 7 top of soft water heater is connected by pipeline with 8 top of low temperature air preheater, and particle is received
Collection storehouse 5 and 8 bottom end of low temperature air preheater are funnel structure and are provided with star blocking valve 27,8 Basolateral of low temperature air preheater
It is provided with outlet flue 9, it is logical that 2 top of bracket is additionally provided with drum 10, high-order thermal deaerator 11 and exhaust desorption tube 12, drum 10
It crosses threeway to be connected with exhaust desorption tube 12 and steam pipe 28 respectively, the steam pipe 28 passes to sub-cylinder, high-order thermal deaerator
Deaerator feedwater pipe 29 is provided on 11, deaerator feedwater pipe 29 is another to be terminated on condensed-water recovering device, and high-order heating power removes
Oxygen device 11 is connected with 13 one end of the first hose, and 13 other end of the first hose is connected with 14 one end of boiler feed pump, and boiler is given
14 other end of water pump is connected with the second hose 15 with 7 one end of soft water heater, 7 other end of soft water heater and third hose
16 one end be connected, 16 other end of third hose is connected with drum 10, drum 10 also with the first feed pipe 17 and the second feed pipe
18, the first feed pipe 17 is also connected with the first evaporation tubes 3, and the second feed pipe 18 is also connected with the second evaporation tubes 6, and medium temperature is empty
Pre- 4 top of device is connected to the first hemispherical dome pipe 19, and 4 bottom end of medium temperature air preheater passes through the second hemispherical dome pipe 20 and low temperature air preheater
8 tops are connected, and 8 bottom end of low temperature air preheater is connected by third hemispherical dome pipe 21 with carrier gas blower 22, carrier gas blower 22 also with
Carrier gas general pipeline 23 is connected, and third hemispherical dome pipe 21 closely also passes through threeway from 22 one end of carrier gas blower and is connected to the wind for opening combustion room
Pipe 24 is connected, and third hemispherical dome pipe 21 is located above threeway and is provided with air-valve 26 on air hose 24.
A kind of waste heat boiler mechanism of the fume treatment with air preheater, application method the following steps are included:
Step 1: the high-temperature flue gas that incinerator generates enters from smoke inlet 1, first passes around the first evaporation tubes 3, and heat exchange is steamed
Vapour, steam enter in drum 10, and drain into sub-cylinder by steam pipe 28；
Step 2: carrying out medium temperature heating by medium temperature air preheater 4, and the particle of part is detached from flue gas in the process, falls into particle receipts
Collect in storehouse 5, and is discharged from lower end；
Step 3: flue gas enters the second evaporation tubes 6 from 5 other end of powder collection storehouse, and heat exchange obtains steam again, and passes through
Steam pipe 28 drains into sub-cylinder；
Step 4: entering in soft water heater 7, heat to the soft water in soft water heater 7, which returns from condensed water
Receiving apparatus enters back into soft water heater 7 from high-order thermal deaerator 11 into boiler feed pump 14, and the soft water after heating enters
In drum 10；
Step 5: last flue gas enters in low temperature air preheater 8, carries out low-temperature heat, and the partial particulate in flue gas falls off again, from
The discharge of 8 lower end of low temperature air preheater, flue gas enter in follow-up equipment from outlet flue 9.
Use principle: due to being internally provided with the first evaporation tubes 3, the second evaporation tubes 6 and soft water heater 7, to cigarette
After gas is exchanged heat, thermal energy can be utilized by being converted into hot water and steam etc., and the channel in entire powder collection storehouse is to be arranged vertically,
In flue gas heat exchange and heating process, after the particulate pollutant in flue gas is detached from, it can all fall into powder collection storehouse and low temperature is empty pre-
In the funnel of 8 lower end of device, first is that greatly reducing the particulate pollutant in flue gas, two are easy for the collection of particulate pollutant, beat
Open star blocking valve 27, after fall into high-temperature water cooling and bury scraper plate slag conveyer, it is final to collect to steel slag library, during whole interior is provided with
Warm air preheater 4 and low temperature air preheater 8 successively carry out medium temperature heating and low-temperature heat by two air preheaters, reduce fuel quantity and disappear
Consumption saves resource.
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 (8)
1. a kind of waste heat boiler mechanism of fume treatment with air preheater, it is characterised in that: including smoke inlet (1), bracket
(2), the first evaporation tubes (3), medium temperature air preheater (4), powder collection storehouse (5), the second evaporation tubes (6), soft water heater
(7), low temperature air preheater (8), outlet flue (9), drum (10), high-order thermal deaerator (11), exhaust desorption tube (12), first soft
Water pipe (13), boiler feed pump (14), the second hose (15), third hose (16), the first feed pipe (17), the second water supply
Manage (18), the first hemispherical dome pipe (19), the second hemispherical dome pipe (20), third hemispherical dome pipe (21), carrier gas blower (22),
Carrier gas general pipeline (23) and air hose (24), the smoke inlet (1) are set to bracket (2) top side, smoke inlet (1) bottom end with
First evaporation tubes (3) top be connected, the first evaporation tubes (3) bottom end is connected with medium temperature air preheater (4) top, it is described in
Warm air preheater (4) bottom end is connected with powder collection storehouse (5) upper surface one end, powder collection storehouse (5) the upper surface other end with
Second evaporation tubes (6) bottom end is connected, and the second evaporation tubes (6) top is connected with soft water heater (7) bottom end, described soft
Water heater (7) top is connected by pipeline with low temperature air preheater (8) top, low temperature air preheater (8) the Basolateral setting
Have outlet flue (9), bracket (2) top is additionally provided with drum (10), high-order thermal deaerator (11) and exhaust desorption tube
(12), the high-order thermal deaerator (11) is connected with the first hose (13) one end, the first hose (13) other end
It is connected with boiler feed pump (14) one end, boiler feed pump (14) other end and the second hose (15) and soft water heater
(7) one end is connected, and soft water heater (7) other end is connected with third hose (16) one end, the third hose
(16) other end is connected with drum (10), and the drum (10) is described also with the first feed pipe (17) and the second feed pipe (18)
First feed pipe (17) is also connected with the first evaporation tubes (3), second feed pipe (18) also with the second evaporation tubes (6) phase
Even, medium temperature air preheater (4) top is connected to the first hemispherical dome pipe (19), and medium temperature air preheater (4) bottom end passes through second
Hemispherical dome pipe (20) is connected with low temperature air preheater (8) top, and low temperature air preheater (8) bottom end passes through third hemispherical dome pipe
(21) it is connected with carrier gas blower (22), the carrier gas blower (22) is also connected with carrier gas general pipeline (23), the third hemispherical dome
Pipe (21) closely also passes through threeway from carrier gas blower (22) one end and is connected with the air hose (24) for opening combustion room is connected to.
2. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
First evaporation tubes (3) and the second evaporation tubes (6) structure are consistent, first evaporation tubes (3) and the second evaporation tube
Water pipe (25) are provided in road (6).
3. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
The third hemispherical dome pipe (21) is located above threeway and is provided with air-valve (26) on air hose (24).
4. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
The powder collection storehouse (5) and low temperature air preheater (8) bottom end are funnel structure and are provided with star blocking valve (27).
5. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
The drum (10) is connected with exhaust desorption tube (12) and steam pipe (28) respectively by threeway, and the steam pipe (28) passes to point
Cylinder.
6. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
It is provided with deaerator feedwater pipe (29) on the high position thermal deaerator (11), the deaerator feedwater pipe (29) is another to be terminated at
On condensed-water recovering device.
7. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
Ladder (30) are provided on the outside of the bracket (2).
8. a kind of waste heat boiler mechanism of the fume treatment according to claim 1 with air preheater, it is characterised in that:
Its application method the following steps are included:
Step 1: the high-temperature flue gas that incinerator generates enters from smoke inlet (1), first passes around the first evaporation tubes (3), exchanges heat
To steam, steam enters in drum (10), and drains into sub-cylinder by steam pipe (28)；
Step 2: carrying out medium temperature heating by medium temperature air preheater (4), and the particle of part is detached from flue gas in the process, falls into particle
In collecting bin (5), and it is discharged from lower end；
Step 3: flue gas enters the second evaporation tubes (6) from powder collection storehouse (5) other end, and heat exchange obtains steam again, and
Sub-cylinder is drained by steam pipe (28)；
Step 4: entering in soft water heater (7), heat to the soft water in soft water heater (7), and the soft water is from condensation
Water recovery device enters boiler feed pump (14) from high-order thermal deaerator (11) and enters back into soft water heater (7), after heating
Soft water enter in drum (10)；
Step 5: last flue gas enters in low temperature air preheater (8), carries out low-temperature heat, and the partial particulate in flue gas falls off again,
It is discharged from low temperature air preheater (8) lower end, flue gas enters in follow-up equipment from outlet flue (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544373.8A CN110242946A (en) | 2019-06-21 | 2019-06-21 | A kind of waste heat boiler mechanism of the fume treatment with air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544373.8A CN110242946A (en) | 2019-06-21 | 2019-06-21 | A kind of waste heat boiler mechanism of the fume treatment with air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242946A true CN110242946A (en) | 2019-09-17 |
Family
ID=67888863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544373.8A Pending CN110242946A (en) | 2019-06-21 | 2019-06-21 | A kind of waste heat boiler mechanism of the fume treatment with air preheater |
Country Status (1)
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| CN (1) | CN110242946A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654289A (en) * | 2015-03-17 | 2015-05-27 | 安徽金鼎锅炉股份有限公司 | Fluidized bed boiler for incinerating straws |
| CN104713106A (en) * | 2015-03-17 | 2015-06-17 | 安徽金鼎锅炉股份有限公司 | Incineration boiler tail flue structure |
| CN105240859A (en) * | 2015-10-30 | 2016-01-13 | 大连科林能源工程技术开发有限公司 | Energy-self-supplying type chemical engineering sludge drying and burning system |
| CN205174395U (en) * | 2015-11-27 | 2016-04-20 | 江苏东九重工股份有限公司 | Sludge incineration waste heat boiler |
-
2019
- 2019-06-21 CN CN201910544373.8A patent/CN110242946A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654289A (en) * | 2015-03-17 | 2015-05-27 | 安徽金鼎锅炉股份有限公司 | Fluidized bed boiler for incinerating straws |
| CN104713106A (en) * | 2015-03-17 | 2015-06-17 | 安徽金鼎锅炉股份有限公司 | Incineration boiler tail flue structure |
| CN105240859A (en) * | 2015-10-30 | 2016-01-13 | 大连科林能源工程技术开发有限公司 | Energy-self-supplying type chemical engineering sludge drying and burning system |
| CN205174395U (en) * | 2015-11-27 | 2016-04-20 | 江苏东九重工股份有限公司 | Sludge incineration waste heat boiler |
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| Title |
|---|
| 胡桂川等: "《垃圾焚烧发电与二次污染控制技术》", 31 December 2011 * |
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Application publication date: 20190917 |
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