CN206944118U - A kind of low pressure superhigh temperature superheated steam boiler - Google Patents
A kind of low pressure superhigh temperature superheated steam boiler Download PDFInfo
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- CN206944118U CN206944118U CN201720709857.XU CN201720709857U CN206944118U CN 206944118 U CN206944118 U CN 206944118U CN 201720709857 U CN201720709857 U CN 201720709857U CN 206944118 U CN206944118 U CN 206944118U
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- superheater
- temperature
- superhigh temperature
- superheated steam
- heater
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a kind of low pressure superhigh temperature superheated steam boiler, including body of heater, the body of heater is arranged on boiler foundation, the side of body of heater is provided with burner, combustion chamber in body of heater has outlet flue, and superhigh temperature superheater following current area, superhigh temperature superheater countercurrent zone, high temperature superheater, medium temperature overheater, low temperature superheater, convection bank and economizer are provided with the cavity of body of heater；The convection bank connects saturated vapor import with economizer by connecting leg, and superheated steam outlet is provided between the resistance to superheater countercurrent zone of superhigh temperature and superhigh temperature superheater following current area；Superheat steam temperature is up to 800 DEG C in this low pressure superhigh temperature superheated steam boiler, employ steam flow rate and rational superheated steam flow direction in transnormal pipe, reach and at least obtain the steam of 800 DEG C of overtemperature using superhigh temperature resistant steel, the needs of to meet special petrochemical industry and environmental improvement technique, meet energy-saving and emission-reduction standard of the country to boiler.
Description
Technical field
Superhigh temperature superheated steam pot technical field is the utility model is related to, specially a kind of low pressure superhigh temperature superheated steam pot
Stove.
Background technology
At present, the unit boiler highest superheat steam temperature in domestic actual motion be 600 DEG C, and special petrochemical industry and
Environmental improvement technological requirement superheat steam temperature is up to 800 DEG C, so being all by saturated vapor and superhigh temperature mistake in actual motion
Vapours boiler is divided into two heating units, onlys demand and obtains superhigh temperature superheated steam, could not reach the requirement of national energy-saving emission reduction,
And a large amount of steel alloys for wasting expensive superhigh temperature resistant.Additionally, due to two heating units are divided into, special process is extremely not suitable with
It is required that often need to move the situation of Work places.
Utility model content
The purpose of this utility model is to provide a kind of low pressure superhigh temperature superheated steam boiler, realizes to overheat on unit and steam
Stripping temperature is up to 800 DEG C, and meets the requirement of national energy-saving emission reduction standard, is asked with solve to be previously mentioned in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of low pressure superhigh temperature superheated steam boiler,
Including body of heater, the body of heater be arranged on boiler foundation on, be provided with boiler foundation feed pump, softening water tank, hydrotreater and
Fuel tank；The feed pump, softening water tank and hydrotreater are arranged side by side, and fuel tank is arranged on water pump, softening water tank and Shui Chu
Manage the side of device；The side of the body of heater is provided with burner, and burner is interconnected with the combustion chamber in body of heater, in body of heater
Combustion chamber is also communicated with outlet flue, and outlet flue penetrates the outer wall of body of heater；Superhigh temperature superheater is provided with the cavity of the body of heater
Following current area, superhigh temperature superheater countercurrent zone, high temperature superheater, medium temperature overheater, low temperature superheater, convection bank and economizer；
The convection bank connects saturated vapor import with economizer by connecting leg, and saturated vapor import is arranged on the one of low temperature superheater
Side, and low temperature superheater, medium temperature overheater, high temperature superheater and the resistance to superheater countercurrent zone of superhigh temperature are sequentially communicated by connecting leg；
Superheated steam outlet is provided between the resistance to superheater countercurrent zone of the superhigh temperature and superhigh temperature superheater following current area, superheated steam goes out
Mouth is connected by connecting leg with superhigh temperature superheater following current area.
Preferably, the convection bank and economizer and radiation of burner hearth heating surface are passed through saturation by the saturated vapor of thermal evaporation
Steam inlet passes through low temperature superheater, medium temperature overheater, high temperature superheater and the resistance to superheater countercurrent zone of superhigh temperature successively, and with heat
Flue gas adverse current flows.
Preferably, the saturated vapor that the resistance to superheater countercurrent zone of the superhigh temperature flows through by superhigh temperature superheater following current area with
Heat smoke co-current flow, and exported and flowed out by superheated steam.
Preferably, the convection bank and economizer and radiation of burner hearth heating surface are flowed through low temperature by the saturated vapor of thermal evaporation
The flow velocity in the resistance to superheater countercurrent zone of superheater, medium temperature overheater, high temperature superheater, superhigh temperature and superhigh temperature superheater following current area reaches
40m/s, temperature is up to 800 DEG C.
Preferably, the outer wall component in the resistance to superheater countercurrent zone of the superhigh temperature and superhigh temperature superheater following current area is by one kind
Component made of high-temperature alloy steel.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, low pressure superhigh temperature superheated steam boiler of the present utility model, will according to special petrochemical industry and environmental improvement technique
The characteristics of seeking low pressure superhigh temperature superheated steam, the superheated steam velocity in pipes of routine is brought up into 40m/s from highest 25m/s, by force
Change intraductal heat exchange intensity, reduce tube wall temperature；Secondly, saturated vapor is heated to the bringing-up section of 800 DEG C of superhigh temperature superheated steams
It is divided into four different temperatures bringing-up sections such as low temperature superheater, medium temperature overheater, high temperature superheater, superhigh temperature superheater, each not
Different steel alloys is used with bringing-up section, reduces the superhigh temperature heat resisting steel cost of costliness to greatest extent.
2nd, low pressure superhigh temperature superheated steam boiler of the present utility model, the following current after superhigh temperature bringing-up section uses first adverse current
Mixed flow mode, further reduces tube wall temperature, extends the service life of tubing, and saturated vapor bringing-up section and superheated steam are added
Hot arc is arranged on a unit, is solved the easily mobile trouble connected with without Unit two, and can and is made full use of overheat to steam
Waste heat after vapour heating, fully meet energy-saving and emission-reduction standard of the country to boiler.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is profile of the present utility model.
In figure：1 burner, 2 superhigh temperature superheater following current areas, the outlet of 3 superheated steams, 4 superhigh temperature superheater countercurrent zones, 5
High temperature superheater, 6 medium temperature overheaters, 7 low temperature superheaters, 8 saturated vapor imports, 9 convection banks, 10 economizers, 11 outlet flues,
12 feed pumps, 13 softening water tanks, 14 water process, 15 boiler foundations, 16 fuel tanks, 17 bodies of heater.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2, a kind of low pressure superhigh temperature superheated steam boiler, including body of heater 17 are referred to, body of heater 17 is arranged on boiler bottom
On seat 15, feed pump 12, softening water tank 13, hydrotreater 14 and fuel tank 16 are installed in boiler foundation 15；It is feed pump 12, soft
Change water tank 13 and hydrotreater 14 is arranged side by side, fuel tank 16 is arranged on the one of water pump 12, softening water tank 13 and hydrotreater 14
Side, cloud can be moved easily to scene with vehicle-mounted transport；The side of body of heater 17 is provided with burner 1, burner 1 and body of heater 17
Interior combustion chamber is interconnected, and the combustion chamber in body of heater 17 is also communicated with outlet flue 11, and outlet flue 11 penetrates the outer wall of body of heater 17；
Superhigh temperature superheater following current area 2, superhigh temperature superheater countercurrent zone 4, high temperature superheater 5, medium temperature are provided with the cavity of body of heater 17
Superheater 6, low temperature superheater 7, convection bank 9 and economizer 10；Convection bank 9 connects saturation by connecting leg with economizer 10 and steamed
Vapor inlet 8, saturated vapor import 8 are arranged on the side of low temperature superheater 7, and by connecting leg be sequentially communicated low temperature superheater 7, in
Warm superheater 6, high temperature superheater 5 and the resistance to superheater countercurrent zone 4 of superhigh temperature, the resistance to superheater countercurrent zone 4 of superhigh temperature and superhigh temperature mistake
The outer wall component in Re Qi following currents area 2 all employs conventional pot by component made of a kind of high-temperature alloy steel, other parts
Stove alloy or plain cylindrical furnace steel pipe, greatly save the steel alloy of the superhigh temperature resistant of costliness；The resistance to He of superheater countercurrent zone 4 of superhigh temperature
Superheated steam outlet 3 is provided between superhigh temperature superheater following current area 2, superheated steam outlet 3 is overheated by connecting leg and superhigh temperature
Device following current area 2 connects；Convection bank 9 and economizer 10 and radiation of burner hearth heating surface are steamed by the saturated vapor of thermal evaporation by saturation
Vapor inlet 8 passes through low temperature superheater 7, medium temperature overheater 6, high temperature superheater 5 and the resistance to superheater countercurrent zone 4 of superhigh temperature successively, and
With heat smoke counter-current flow；The saturated vapor that the resistance to superheater countercurrent zone 4 of superhigh temperature flows through by superhigh temperature superheater following current area 2 with
Heat smoke co-current flow, and by the outflow of superheated steam outlet 3；Convection bank 9 and economizer 10 and radiation of burner hearth heating surface are heated
The saturated vapor of evaporation flows through the resistance to and of superheater countercurrent zone 4 of low temperature superheater 7, medium temperature overheater 6, high temperature superheater 5, superhigh temperature
The flow velocity in superhigh temperature superheater following current area 2 reaches 40m/s, and temperature is up to 800 DEG C.
Operation principle：This low pressure superhigh temperature superheated steam boiler, burner 1 discharge heat, pair of boiler in a combustion chamber
Working-medium water in flowing bundle 9 and the heated evaporation tube of economizer 10 and radiation of burner hearth heating surface, makes working-medium water be heated to saturated vapor, satisfies
Low temperature superheater import header is imported through connecting leg with steam, by saturated vapor import 8 successively by low temperature superheater 7, medium temperature
The resistance to superheater countercurrent zone 4 of superheater 6, high temperature superheater 5, superhigh temperature and heat smoke counter-current flow, then reach superhigh temperature overheat
Device following current area 2 and heat smoke co-current flow, finally through the outflow of superheated steam outlet 3；Steamed in the heating process of whole superheater
Vapour is gradually increased with the raising volume of temperature, and speed gradually rises with increase, steam flow rate from 15m/s, reaches flue gas most
Eminence reaches 40m/s；Because boiler tail arranges economizer 10, exhaust gas temperature can be controlled to less than 140 DEG C, is fully achieved
Energy-conservation discharge standard of the country to boiler.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of low pressure superhigh temperature superheated steam boiler, including body of heater (17), it is characterised in that：The body of heater (17) is arranged on pot
On furnace base (15), feed pump (12), softening water tank (13), hydrotreater (14) and fuel tank are installed in boiler foundation (15)
(16)；The feed pump (12), softening water tank (13) and hydrotreater (14) are arranged side by side, and fuel tank (16) is arranged on water pump
(12), the side of softening water tank (13) and hydrotreater (14)；The side of the body of heater (17) is provided with burner (1), burning
Device (1) is interconnected with the combustion chamber in body of heater (17), and the combustion chamber in body of heater (17) is also communicated with outlet flue (11), outlet flue
(11) outer wall of body of heater (17) is penetrated；Superhigh temperature superheater following current area (2), superhigh temperature are provided with the cavity of the body of heater (17)
Superheater countercurrent zone (4), high temperature superheater (5), medium temperature overheater (6), low temperature superheater (7), convection bank (9) and economizer
(10)；The convection bank (9) connects saturated vapor import (8) with economizer (10) by connecting leg, and saturated vapor import (8) is set
Put in the side of low temperature superheater (7), and low temperature superheater (7), medium temperature overheater (6), high temperature mistake are sequentially communicated by connecting leg
Hot device (5) and the resistance to superheater countercurrent zone (4) of superhigh temperature；The resistance to superheater countercurrent zone (4) of the superhigh temperature and superhigh temperature superheater are suitable
Superheated steam outlet (3) is provided between stream area (2), superheated steam outlet (3) passes through connecting leg and superhigh temperature superheater following current area
(2) connect.
A kind of 2. low pressure superhigh temperature superheated steam boiler according to claim 1, it is characterised in that：The convection bank
(9) passed through successively by saturated vapor import (8) by the saturated vapor of thermal evaporation with economizer (10) and radiation of burner hearth heating surface
Low temperature superheater (7), medium temperature overheater (6), high temperature superheater (5) and the resistance to superheater countercurrent zone (4) of superhigh temperature, and and heat smoke
Counter-current flow.
A kind of 3. low pressure superhigh temperature superheated steam boiler according to claim 1 or 2, it is characterised in that：The superhigh temperature
The saturated vapor that resistance to superheater countercurrent zone (4) flows through by superhigh temperature superheater following current area (2) and heat smoke co-current flow, and by
Superheated steam outlet (3) outflow.
A kind of 4. low pressure superhigh temperature superheated steam boiler according to claim 1, it is characterised in that：The convection bank
(9) and economizer (10) and radiation of burner hearth heating surface are flowed through low temperature superheater (7) by the saturated vapor of thermal evaporation, medium temperature overheats
The flow velocity in the resistance to superheater countercurrent zone (4) of device (6), high temperature superheater (5), superhigh temperature and superhigh temperature superheater following current area (2) reaches
40m/s, temperature is up to 800 DEG C.
A kind of 5. low pressure superhigh temperature superheated steam boiler according to claim 1, it is characterised in that：The resistance to mistake of superhigh temperature
The outer wall component in hot device countercurrent zone (4) and superhigh temperature superheater following current area (2) is by component made of a kind of high-temperature alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709857.XU CN206944118U (en) | 2017-06-16 | 2017-06-16 | A kind of low pressure superhigh temperature superheated steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709857.XU CN206944118U (en) | 2017-06-16 | 2017-06-16 | A kind of low pressure superhigh temperature superheated steam boiler |
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| Publication Number | Publication Date |
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| CN206944118U true CN206944118U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720709857.XU Active CN206944118U (en) | 2017-06-16 | 2017-06-16 | A kind of low pressure superhigh temperature superheated steam boiler |
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| CN (1) | CN206944118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255267A (en) * | 2017-06-16 | 2017-10-17 | 青岛骏鹏石化设备制造有限公司 | A kind of low pressure superhigh temperature superheated steam boiler |
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2017
- 2017-06-16 CN CN201720709857.XU patent/CN206944118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255267A (en) * | 2017-06-16 | 2017-10-17 | 青岛骏鹏石化设备制造有限公司 | A kind of low pressure superhigh temperature superheated steam boiler |
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