CN207146343U - With reference to the anticorrosion modular type afterheat boiler system of rotary regenerative air preheater - Google Patents
With reference to the anticorrosion modular type afterheat boiler system of rotary regenerative air preheater Download PDFInfo
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- CN207146343U CN207146343U CN201721162982.XU CN201721162982U CN207146343U CN 207146343 U CN207146343 U CN 207146343U CN 201721162982 U CN201721162982 U CN 201721162982U CN 207146343 U CN207146343 U CN 207146343U
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- rotary regenerative
- air preheater
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- anticorrosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a kind of anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater, including rotary regenerative air preheater, burner hearth, drum, air deoxygenation water- to-water heat exchanger, flue, honeycomb ceramic heat accumulator, at least four combustion air inlets, steelframe, direct-contact desuperheater, at least two burner hearth smoke inlets and direction is sequentially connected the first logical superheater, the second superheater, evaporator, economizer from top to bottom.The utility model combination rotary regenerative air preheater, and honeycomb ceramic heat accumulator is set in rotary regenerative air preheater so that low-temperature flue gas is reclaimed by honeycomb ceramic heat accumulator, avoids low temperature heating surface corrosion leakage, improves quality and the life-span of boiler；Flue gas, the mode of air inversion heat exchange are employed, effectively increases the thermal efficiency of boiler；Can be with Fast Installation and easy access；Securely and reliably, simple, rational technology is arranged.
Description
Technical field
Oil refining, chemical industry or metallurgical industry field are the utility model is related to, it is more particularly to a kind of to combine rotary regenerative sky in advance
The anticorrosion modular type afterheat boiler system of device.
Background technology
In order to improve the device economic benefits such as oil refining, chemical industry or metallurgy, being set up in device afterbody has Mist heat recovering
Waste heat（Burn）Boiler, but flue gas contains the materials such as higher sulphur, dust, and the heating surface of economizer easily occurs in low-temperature zone
Corrosion leakage, pipe explosion accident, influence plant running.
Above-mentioned other types of boiler is typically in plant produced, superheater, evaporator, economizer Assembling, by scene
Condition limits, and waste heat boiler long construction period, the checking maintenance of this assembling are difficult；Although boiler also and plant produced into
Modular, superheater, evaporator, economizer on-site hoisting, but this module upper module stress are on lower module, under
When portion's module maintenance is changed, reinstalled after all modules in top need to be removed, maintenance difficulty is bigger.
Utility model content
Technical problem to be solved in the utility model be for above-mentioned waste heat boiler easily occur low-temperature corrosion leakage,
The deficiencies of long construction period, big maintenance difficulty, there is provided a kind of combination for avoiding low-temperature corrosion, Fast Installation, maintenance difficulty small is returned
Turn the anticorrosion modular type afterheat boiler system of heat accumulating type air preheater.
A kind of anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater, including rotary regenerative are empty pre-
Device, burner hearth, drum, air-deoxygenation water- to-water heat exchanger and from top to bottom direction are sequentially connected the first logical superheater, the second mistake
Hot device, evaporator, economizer.
The upper side of the burner hearth is provided with flue, and one end of the flue is connected with the burner hearth, the other end and institute
The first superheater is stated to be connected.The rotary regenerative air preheater be arranged on the bottom of the economizer and with the economizer phase
Connection.The rotary regenerative air preheater is arranged on the low-temperature flue gas exit of the flue bottom and is connected with the flue
It is logical.The air intake of the air-deoxygenation water- to-water heat exchanger is connected with the air outlet slit of rotary regenerative air preheater.The sky
The air outlet slit of gas-deoxygenation water- to-water heat exchanger is connected with the burner hearth, and air is provided for hearth combustion.Rotary regenerative air preheater
A heat part for hollow aspiration transfers heat to boiler feedwater through air-deoxygenation water- to-water heat exchanger, and another part directly enters
Enter hearth combustion.
The air-water out of deoxygenation water- to-water heat exchanger is connected with the water inlet of economizer.The water of the economizer goes out
Mouth is connected with the drum.The water inlet of the evaporator is connected with the bottom of the drum.The steam of the evaporator
Outlet is connected with the side of the drum.The top of the drum is connected with second superheater.
In one of the embodiments, honeycomb ceramic heat accumulator is provided with the rotary regenerative air preheater, can circulated
Flue gas heat is alternately passed to air；And after rotary regenerative air preheater combination honeycomb ceramic heat accumulator, low-temperature flue gas
Reclaimed by honeycomb ceramic heat accumulator, the problem of in the absence of superheater, evaporator and economizer corrosion leakage.
In one of the embodiments, the madial wall of the burner hearth is provided with least four combustion air inlets.The sky
The air outlet slit of gas-deoxygenation water- to-water heat exchanger is connected by least four combustion air inlets with the burner hearth.
In one of the embodiments, the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater
Also include steelframe, the rotary regenerative air preheater, burner hearth, drum, air-deoxygenation water- to-water heat exchanger, the first superheater, the second mistake
Hot device, evaporator, economizer are all disposed within the steelframe.
In one of the embodiments, the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater
Also include direct-contact desuperheater.First superheater is connected by direct-contact desuperheater with second superheater.
In one of the embodiments, the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater
In modular organization, each module all being arranged on the steelframe in drawer type so that each module each can individually release
Overhauled and be independent of each other.
In one of the embodiments, the bottom of the burner hearth is provided with least two burner hearth smoke inlets.
The advantages of the utility model and beneficial effect：
1st, the utility model combination rotary regenerative air preheater, and set ceramic honey comb to store in rotary regenerative air preheater
Hot body,
So that low-temperature flue gas is reclaimed by honeycomb ceramic heat accumulator, heated surface corrosion leakage is avoided, improves boiler
Quality and life-span, and flue gas heat is passed to air by honeycomb ceramic heat accumulator cycle alternation.
2nd, the utility model is provided with air-deoxygenation water- to-water heat exchanger, passes through the sky for flowing out rotary regenerative air preheater
The heat transfer of gas gives economizer Inlet water so that economizer Inlet water water temperature is improved to more than flue gas dew point temperature, avoids province
The heated surface corrosion leakage of coal device.
3rd, the utility model employs flue gas, the mode of air inversion heat exchange, and air is inhaled in rotary regenerative air preheater
A heat part for receipts passes to economizer Inlet water, and another part is directly entered hearth combustion with air, effectively increases
The thermal efficiency of boiler.
4th, the utility model can use modular organization, modules with Fast Installation and easy access, the utility model
In being supported on steelframe for drawer type, it can individually extract any one maintenance out or change and do not influence other modules also.
5th, the utility model is safe and reliable, arrangement is simple, rational technology.
Brief description of the drawings
Fig. 1 is process structure schematic diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Embodiment
For the ease of understanding the utility model, the utility model is comprehensively described below with reference to relevant drawings.
Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be embodied in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made in disclosure of the present utility model
Hold more thorough and comprehensive.
It should be noted that when element is referred to as " setting " in another element, it can be directly in another element
Above or there may also be element placed in the middle.When an element be considered as with another element " being connected ", it can be direct
Another element is connected to, or may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
A kind of anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater, including rotary regenerative are empty pre-
Device 1, burner hearth 3, drum 5, air-deoxygenation water- to-water heat exchanger 7, flue 37, honeycomb ceramic heat accumulator, four combustion air inlets 39,
310, two steelframe 2, direct-contact desuperheater burner hearth smoke inlets 30 and direction is sequentially connected the first logical superheater from top to bottom
31st, the second superheater 32, evaporator 33, economizer 35.
Wherein, the upper side of burner hearth 3 is provided with flue 37, and one end of flue 37 is connected with burner hearth 3, the other end and first
Superheater 31 is connected.Rotary regenerative air preheater 1 is arranged on the bottom of economizer 35 and is connected with economizer 35.
Specifically, the air intake of air-deoxygenation water- to-water heat exchanger 7 is connected with the air outlet slit of rotary regenerative air preheater 1
It is logical.The air outlet slit of air-deoxygenation water- to-water heat exchanger 7 is connected by four combustion air inlets 39 with burner hearth 3, is fired for burner hearth 3
Burn and air is provided.A heat part for 1 hollow aspiration of rotary regenerative air preheater is through air-deoxygenation water- to-water heat exchanger 7 by heat
Boiler feedwater 71 is passed to, another part is directly entered burner hearth 3 with air and burnt.
Specifically, the water out of air-deoxygenation water- to-water heat exchanger 7 is connected with the water inlet of economizer 35.Economizer 35
Water out is connected with drum 5.The water inlet of evaporator 33 is connected with the bottom of drum 5.The steam (vapor) outlet of evaporator 33 with
The side of drum 5 is connected.The top of drum 5 is connected with the second superheater 32.
Wherein, the first superheater 31 is connected by direct-contact desuperheater 310 with the second superheater 32.The bottom of burner hearth 3 is set
There are two burner hearth smoke inlets 30.
Specifically, honeycomb ceramic heat accumulator is provided with rotary regenerative air preheater 1, can be with cycle alternation flue gas heat
Pass to air；And after rotary regenerative air preheater 1 combines honeycomb ceramic heat accumulator, low-temperature flue gas passes through ceramic honey comb accumulation of heat
Body reclaims, the problem of in the absence of low temperature heating surface corrosion leakage.
As shown in Fig. 2 rotary regenerative air preheater 1, burner hearth 3, drum 5, air-deoxygenation water- to-water heat exchanger 7, the first superheater
31st, the second superheater 32, evaporator 33, economizer 35 are all disposed within steelframe 2.The present embodiment is in modular organization, each module
All being arranged on steelframe 2 in drawer type so that each module each can individually release and be overhauled and be independent of each other.
The operation principle and the course of work of the present invention：
As shown in Figure 1：Flue gas flow：The external flue gas that need to be burned is burnt by burner hearth smoke inlet 30 into burner hearth 3, so
Enter back into rotary regenerative air preheater 1 by the first superheater 31, the second superheater 32, evaporator 33, economizer 35 successively afterwards
After discharge；Air flow：Air intake of the fresh air first through rotary regenerative air preheater 1 enters rotary regenerative air preheater
1 takes heat, enters back into air-deoxygenation water- to-water heat exchanger 7, most combustion-supporting into burner hearth 3 through combustion air inlet 39 afterwards；Carbonated drink flow：Pot
Stove feedwater 71 is introduced into air-deoxygenation water- to-water heat exchanger 7 and takes heat, enters back into economizer 35, and subsequently into drum 5, the connection of drum 5 is steamed
Send out device 33 and produce saturated vapor, enter back into the second superheater 32, superheated steam is generated subsequently into the first superheater 31, it is outer for dress
Put 311 or into steam turbine power generation.
Advantages of the present invention and beneficial effect：
1st, the utility model combination rotary regenerative air preheater 1, and set honeycomb to make pottery in rotary regenerative air preheater 1
Porcelain heat storage so that low-temperature flue gas is reclaimed by honeycomb ceramic heat accumulator, is avoided low temperature heating surface corrosion leakage, is improved boiler
Quality and the life-span, and flue gas heat is passed to air by honeycomb ceramic heat accumulator cycle alternation.
2nd, the utility model is provided with air-deoxygenation water- to-water heat exchanger 7, passes through flow out rotary regenerative air preheater 1
The heat transfer of air gives the Inlet water of economizer 35 so that and the Inlet water water temperature of economizer 35 is improved to more than flue gas dew point temperature,
The heated surface corrosion of economizer 35 is avoided to leak.
3rd, the utility model employs flue gas, the mode of air inversion heat exchange, and air is inhaled in rotary regenerative air preheater 1
A heat part for receipts passes to the Inlet water of economizer 35, and another part is directly entered burner hearth 3 with air and burnt, effectively improves
The thermal efficiency of boiler.
4th, the utility model can use modular organization, modules with Fast Installation and easy access, the utility model
In being supported on steelframe 2 for drawer type, it can individually extract any one maintenance out or change and do not influence other modules also.
5th, the utility model is safe and reliable, arrangement is simple, rational technology.
Embodiment described above only expresses one embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. the anticorrosion modular type afterheat boiler system of a kind of combination rotary regenerative air preheater, it is characterised in that including revolution
Heat accumulating type air preheater, burner hearth, drum, air-deoxygenation water- to-water heat exchanger and from top to bottom direction are sequentially connected the first logical overheat
Device, the second superheater, evaporator, economizer；
The upper side of the burner hearth is provided with flue, and one end of the flue is connected with the burner hearth, the other end and described the
One superheater is connected, and the rotary regenerative air preheater is arranged on the bottom of the economizer and is connected with the economizer
Logical, the air intake of the air-deoxygenation water- to-water heat exchanger is connected with the air outlet slit of rotary regenerative air preheater, the sky
The air outlet slit of gas-deoxygenation water- to-water heat exchanger is connected with the burner hearth, and air, the air-deaerated water are provided for hearth combustion
The water out of heat exchanger is connected with the water inlet of economizer, and the water out of the economizer is connected with the drum, described
The water inlet of evaporator is connected with the bottom of the drum, and the steam (vapor) outlet of the evaporator is connected with the side of the drum
Logical, the top of the drum is connected with second superheater.
2. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 1, it is special
Sign is, is provided with honeycomb ceramic heat accumulator in the rotary regenerative air preheater, flue gas heat can be transmitted with cycle alternation
To air.
3. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 1, it is special
Sign is that the madial wall of the burner hearth is provided with least four combustion air inlets, the air of the air-deoxygenation water- to-water heat exchanger
Outlet is connected by least four combustion air inlets with the burner hearth.
4. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 1, it is special
Sign is that the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater also includes steelframe, the revolution
Heat accumulating type air preheater, burner hearth, drum, air-deoxygenation water- to-water heat exchanger, the first superheater, the second superheater, evaporator, economizer
It is all disposed within the steelframe.
5. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 1, it is special
Sign is that the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater also includes direct-contact desuperheater, institute
The first superheater is stated by direct-contact desuperheater with second superheater to be connected.
6. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 4, it is special
Sign is, the anticorrosion modular type afterheat boiler system of the combination rotary regenerative air preheater is in modular organization, each module
All being arranged on the steelframe in drawer type so that each module each can individually release and be overhauled and be independent of each other.
7. the anticorrosion modular type afterheat boiler system of combination rotary regenerative air preheater according to claim 1, it is special
Sign is that the bottom of the burner hearth is provided with least two burner hearth smoke inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721162982.XU CN207146343U (en) | 2017-09-12 | 2017-09-12 | With reference to the anticorrosion modular type afterheat boiler system of rotary regenerative air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721162982.XU CN207146343U (en) | 2017-09-12 | 2017-09-12 | With reference to the anticorrosion modular type afterheat boiler system of rotary regenerative air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207146343U true CN207146343U (en) | 2018-03-27 |
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ID=61678562
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721162982.XU Active CN207146343U (en) | 2017-09-12 | 2017-09-12 | With reference to the anticorrosion modular type afterheat boiler system of rotary regenerative air preheater |
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| CN (1) | CN207146343U (en) |
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- 2017-09-12 CN CN201721162982.XU patent/CN207146343U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti corrosion modular waste heat boiler system combined with rotary regenerative air preheater Effective date of registration: 20220329 Granted publication date: 20180327 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230425 Granted publication date: 20180327 Pledgee: Agricultural Bank of China Limited Yueyang dongmaoling sub branch Pledgor: You Shuhuai|YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003302 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |