CN208817449U - A kind of horizontal type waste heat boiler - Google Patents
A kind of horizontal type waste heat boiler Download PDFInfo
- Publication number
- CN208817449U CN208817449U CN201821342365.2U CN201821342365U CN208817449U CN 208817449 U CN208817449 U CN 208817449U CN 201821342365 U CN201821342365 U CN 201821342365U CN 208817449 U CN208817449 U CN 208817449U
- Authority
- CN
- China
- Prior art keywords
- evaporator
- drum
- economizer
- waste heat
- heating surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model discloses a kind of horizontal type waste heat boilers, it is related to field of boilers, including drum, evaporator and economizer, it is characterized by: the flue gas of bottom horizontal flow sheet, sequentially through gas inlet, the evaporator, the economizer and the exhanst gas outlet being arranged in below the drum, the heating surface tube of the evaporator and the economizer is arranged perpendicular to horizontal direction；The drum is connected with the feed pipe of the economizer；The heating surface tube bottom of the evaporator is connected to lower header, and the drum is connect by down-comer with the lower header, and upper collecting chamber is connected at the top of the heating surface tube of the evaporator, and the drum is connect by tedge with the upper collecting chamber；The central axial direction of the drum is parallel to the flow direction of the flue gas.The utility model can be realized target for energy-saving and emission-reduction, and color-coating line smoke discharging residual heat is absorbed and utilized, and generates steam and is used for Process heat, to replace part boiler heat supplying.
Description
Technical field
The utility model relates to field of boilers, in particular to a kind of horizontal type waste heat boiler.
Background technique
Color painted steel strip is using cold-rolled steel sheet and galvanized steel plain sheet as substrate, by surface preparation (degreasing, cleaning, change
Learn conversion processing), coated (rolling method) with the painting of continuous method, the manufactured product through overbaking and cooling.At Coil Coating Products
A large amount of high-temperature flue gas can be generated during reason.Therefore, the device for recycling fume afterheat comes into being, but the prior art
In waste-heat recovery device still have following problems: equipment occupation space is big, and operation and maintenance is at high cost；Installation is complicated, peace
It fills at high cost；Heat exchange efficiency is not high.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of horizontal type waste heat boilers, for the energy-saving and emission-reduction for realizing company
Target produces actual conditions and technique requirement according to company, color-coating line smoke discharging residual heat is absorbed and utilized, generates steam and use for technique
Heat, to replace part boiler heat supplying, to reach final goal that is energy saving, reducing discharge.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:
A kind of horizontal type waste heat boiler, including drum, evaporator and economizer, the flue gas of bottom horizontal flow sheet is sequentially through being arranged in
Gas inlet, the evaporator, the economizer and exhanst gas outlet, the evaporator and province's coal below the drum
The heating surface tube of device is arranged perpendicular to horizontal direction；The drum is connected with the feed pipe of the economizer；The evaporator
Heating surface tube bottom be connected to lower header, the drum is connect by down-comer with the lower header, the evaporator by
Upper collecting chamber is connected at the top of hot facial canal, the drum is connect by tedge with the upper collecting chamber；The central axis of the drum
It is oriented parallel to the flow direction of the flue gas.
Preferably, the periphery for the heat exchange area being made of the evaporator and the economizer is surrounded by sheet-metal lagging, institute
It states sheet-metal lagging and is arranged to its inner wall with inner thermal insulating layer, outer wall has outer heat insulation layer.
Preferably, the heating surface tube of the evaporator and the economizer is all made of finned tube.
Preferably, the both ends of the gas inlet are respectively input end and the first connection connecting with the sheet-metal lagging
End, inducer flow area become larger from the input end to first connecting pin；The both ends of the exhanst gas outlet are respectively
Outlet end and the second connection end connecting with the sheet-metal lagging, exit passage area is from the second connection end to the outlet
End gradually becomes smaller.
Preferably, gas inlet expansion joint is provided at the gas inlet；The smoke outlet is provided with flue gas and goes out
Mouth expansion joint.
Preferably, the bottom of the bottom of the down-comer, the bottom of the upper collecting chamber and the upper collecting chamber is provided with
The unrestrained mouth of a river.
Compared with prior art, the utility model has the beneficial effects that: using horizontal arrangement, column branch structure.Boiler sheet
Body includes drum, evaporator, economizer, boiler structure, inlet and outlet flue and overhaul and operation maintenance (including oxygen-eliminating device, manhole, hand
Hole etc.) components such as platform staircase.It is designed using the standard of optimization, heating surface is sequentially arranged, and installation period is short, advanced in performance.It adopts
With natural circulation mode, water circulates through program calculating, and securely and reliably, system is succinct, runs convenient and reliable operation.Using fin
Heating surface of tubes, augmentation of heat transfer.Using full hydrophobic structure, boiler water drainage is convenient, thoroughly.Heating surface setting inspections at different levels are arranged in boiler
Cha Kong is overhauled, uniform force convenient for sub-unit.Using the inside and outside backplate form for keeping the temperature and combining, radiate small, thermal expansion amount is small.
Therefore, the waste heat for recycling high-temperature flue gas can reach target that is energy saving, reducing discharge.Enterprise's spending is saved, is brought good
Economic benefit and social effect.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the utility model horizontal type waste heat boiler；
Fig. 2 is the left view of horizontal type waste heat boiler shown in Fig. 1.
Meaning represented by each symbol is as follows in figure:
1- drum；2- tedge；3- gas inlet；4- down-comer；5- lower header；6- evaporator；7- economizer；8- flue gas
Outlet.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As depicted in figs. 1 and 2, the horizontal type waste heat boiler of the utility model, including drum 1, evaporator 6 and economizer 7.Its
In, the flue gas of bottom horizontal flow sheet is sequentially through gas inlet 3, the evaporator 6, province's coal for being arranged in 1 lower section of drum
Device 7 and exhanst gas outlet 8.The heating surface tube of the evaporator 6 and the economizer 7 is arranged perpendicular to horizontal direction.The vapour
Packet 1 is connected with the feed pipe of the economizer 7.The heating surface tube bottom of the evaporator 6 is connected to lower header 5, the vapour
Packet 1 is connect by down-comer 4 with the lower header 5.Upper collecting chamber, the vapour are connected at the top of the heating surface tube of the evaporator 6
Packet 1 is connect by tedge 2 with the upper collecting chamber.The central axial direction of the drum 1 is parallel to the flowing side of the flue gas
To.
Therefore, during flow of flue gas, the water supply of economizer 7 can constantly be passed through drum 1, and the water into drum 1 passes through down again
Drop pipe 4 is assigned to lower header 5, then is assigned to evaporator 6 through each lower header 5, and water is by 6 Shi Huiyu boiler body of evaporator
High-temperature flue gas exchanged heat and form steam water interface, steam water interface can constantly be upwardly into upper collecting chamber along heat pipe face,
And at saturated vapor and water, the saturated vapor in upper collecting chamber enters back into drum 1 for pre-separation in upper collecting chamber, is incorporated to enterprise's pipe network.
Flue tail gas can exchange heat with the water supply in economizer 7, to preheat water supply.
It is provided with 3 expansion joint of gas inlet at gas inlet 3, and is provided with 8 expansion joint of exhanst gas outlet at exhanst gas outlet 8.
Expansion joint can effectively by gas inlet 3, perhaps exhanst gas outlet 8 be connected to protect gas inlet 3 or cigarette with pipeline
Gas outlet 8, extends the service life of pipeline.The both ends of gas inlet 3 are respectively input end and connect with the sheet-metal lagging
The first connecting pin, inducer flow area becomes larger from the input end to first connecting pin.The both ends of exhanst gas outlet 8
Respectively outlet end and the second connection end connecting with the sheet-metal lagging, exit passage area is from the second connection end to institute
Outlet end is stated to gradually become smaller.Gas inlet 3 and exhanst gas outlet 8 and the gradually transition of heating surface channel, so that flue gas is each in boiler
There is good degree of filling in heating surface.
The periphery for the heat exchange area being made of the evaporator 6 and the economizer 7 is surrounded by sheet-metal lagging.Sheet-metal lagging
It is arranged to its inner wall with inner thermal insulating layer, outer wall has outer heat insulation layer.Sheet-metal lagging is using the inside and outside backplate for keeping the temperature and combining
Form, and boiler external guard board must seal, and using all welded construction, backplate is kept the temperature in inside, is kept thermal loss minimum, is allowed to protect
Plate thermal expansion.Scheduled gap should be had by being centered around between the sheet-metal lagging of heat exchange area periphery and the heat-exchanger rig of inside,
To prevent the collision as caused by sheet-metal lagging and other component expansion.
The heating surface tube of evaporator 6 and economizer 7 is all made of finned tube, to increase heat exchange area.
The bottom of the bottom of down-comer 4, the bottom of the upper collecting chamber and the upper collecting chamber is provided with the unrestrained mouth of a river.?
That is boiler body minimum point should all be arranged it is thin, discharge water a little, it is ensured that inlet and outlet header dredge, discharge water it is unimpeded so that pot
Furnace water drainage is convenient, thorough.
In addition to the unrestrained mouth of a river, waste heat boiler is additionally provided with blow-off system, nitrogen charging interface, drainage.Blow-off system is exactly
When upper water and starting, venting pot furnace air and incondensable gas.Nitrogen charging interface is to steam-water pipe, the collection in boiler body
Case and drum carry out nitrogen filled protection.Drainage is periodical blowdown, with the suitable effluent from boiler of venting, to ensure water quality.Boiler
Drum, header and heating surface should use welding structure, and only manhole and inspection hole uses non-solder structure, but needs reliable
Seal approach.
To sum up, the waste heat boiler of the utility model is using horizontal arrangement, column branch structure.Boiler body includes drum, evaporation
Device 6, economizer 7, boiler structure, inlet and outlet flue and overhaul and operation maintenance (including oxygen-eliminating device, manhole, hand hole etc.) platform staircase
Equal components.When recycling the production waste heat of color painted steel strip, input gas temperature is 245 DEG C.Flue gas passes through evaporator and province
After coal device, exhaust gas temperature is probably 156 DEG C.The feed temperature of entire waste heat boiler is 20 DEG C.Therefore, the utility model is remaining
Heat boiler can efficiently use the waste heat of production color-coating line.It is designed using the standard of optimization, heating surface is sequentially arranged, installation period
It is short, it is advanced in performance.Using natural circulation mode, water circulates through program calculating, and securely and reliably, system is succinct, runs operation side
It can lean on.Using fin heating surface of tubes, augmentation of heat transfer.Using full hydrophobic structure, boiler water drainage is convenient, thoroughly.Boiler setting
Inspection hole is arranged in heating surfaces at different levels, overhauls convenient for sub-unit, uniform force.Using the inside and outside backplate form for keeping the temperature and combining, dissipate
Heat is small, and thermal expansion amount is small.Therefore, the waste heat for recycling high-temperature flue gas can reach target that is energy saving, reducing discharge.Save enterprise
Industry spending, brings good economic benefit and social effect.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (6)
1. a kind of horizontal type waste heat boiler, including drum, evaporator and economizer, it is characterised in that: the flue gas of bottom horizontal flow sheet is sequentially
By gas inlet, the evaporator, the economizer and the exhanst gas outlet being arranged in below the drum, the evaporator
It is arranged with the heating surface tube of the economizer perpendicular to horizontal direction；The drum is connected with the feed pipe of the economizer；
The heating surface tube bottom of the evaporator is connected to lower header, and the drum is connect by down-comer with the lower header, described
Upper collecting chamber is connected at the top of the heating surface tube of evaporator, the drum is connect by tedge with the upper collecting chamber；The drum
Central axial direction be parallel to the flow direction of the flue gas.
2. a kind of horizontal type waste heat boiler according to claim 1, which is characterized in that by the evaporator and the economizer
The periphery of the heat exchange area of composition is surrounded by sheet-metal lagging, and the sheet-metal lagging, which is arranged to its inner wall, has inner thermal insulating layer, outside
Wall has outer heat insulation layer.
3. a kind of horizontal type waste heat boiler according to claim 1, which is characterized in that the evaporator and the economizer
Heating surface tube is all made of finned tube.
4. a kind of horizontal type waste heat boiler according to claim 2, which is characterized in that the both ends of the gas inlet are respectively
Input end and the first connecting pin connecting with the sheet-metal lagging, inducer flow area is from the input end to first connection
End becomes larger；The both ends of the exhanst gas outlet are respectively outlet end and the second connection end that connect with the sheet-metal lagging, out
Mouth aisle spare gradually becomes smaller from the second connection end to the outlet end.
5. a kind of horizontal type waste heat boiler according to claim 4, which is characterized in that be provided with flue gas at the gas inlet
Import expansion joint；The smoke outlet is provided with exhanst gas outlet expansion joint.
6. a kind of horizontal type waste heat boiler according to claim 1, which is characterized in that the bottom of the down-comer, it is described on
The bottom of header and the bottom of the upper collecting chamber are provided with the unrestrained mouth of a river.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342365.2U CN208817449U (en) | 2018-08-20 | 2018-08-20 | A kind of horizontal type waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342365.2U CN208817449U (en) | 2018-08-20 | 2018-08-20 | A kind of horizontal type waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208817449U true CN208817449U (en) | 2019-05-03 |
Family
ID=66274018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821342365.2U Active CN208817449U (en) | 2018-08-20 | 2018-08-20 | A kind of horizontal type waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208817449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217896A (en) * | 2021-05-08 | 2021-08-06 | 江苏太湖锅炉股份有限公司 | Boiler plant of natural circulation |
-
2018
- 2018-08-20 CN CN201821342365.2U patent/CN208817449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217896A (en) * | 2021-05-08 | 2021-08-06 | 江苏太湖锅炉股份有限公司 | Boiler plant of natural circulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105972632B (en) | Air preheater hot wind adverse current in coal-burning power plant is anti-blocking and the system and its technique of corrosion | |
| CN105737182B (en) | Flue gas deep cooler | |
| CN103307910A (en) | Anti-corrosion and dirt-resistant efficient flue gas waste heat recovery device | |
| RU2554679C2 (en) | Air heater with flue gas, installation method, air pipe component for air heater with flue gas | |
| CN107143867A (en) | A kind of soot blower system and ash-blowing method for boiler horizontal gas pass | |
| CN208817449U (en) | A kind of horizontal type waste heat boiler | |
| CN201875893U (en) | Heat exchange device of condensing gas water heater | |
| CN113487120A (en) | Method for establishing boiler flue corrosion prevention strategy and boiler flue corrosion prevention method | |
| CN205090596U (en) | Oil field heating furnace | |
| CN207635912U (en) | A kind of Novel flue gas heater | |
| CN215892304U (en) | Dry quenching flue gas waste heat boiler evaporator equipment | |
| CN215675430U (en) | Environment-friendly energy-saving water treatment equipment | |
| CN109186093A (en) | Fire hot-water boiler in a kind of vertical condensation one room | |
| CN205482504U (en) | But fluoroplastics tubular heat exchanger structure that level was placed | |
| JP2018162917A (en) | Method for operating gas preheating device | |
| CN104315872B (en) | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect | |
| CN208365813U (en) | A kind of condensate vacuum hot-water boiler | |
| CN204625576U (en) | A kind of Novel water cooling wall for coal gasifier | |
| CN204648992U (en) | A kind of heater for rolling steel flue gas waste heat recovery heat exchanger of corrosion-resistant anti-stick | |
| CN206274230U (en) | A kind of superconduction fluidised form heat exchanger | |
| CN217875924U (en) | Air preheater | |
| CN220436798U (en) | Low-temperature flue gas efficient heat supply heat pump unit | |
| CN106439901B (en) | Drawer regenerative air heater | |
| CN208704478U (en) | A kind of corrosion resistant rolled steel heating furnace heat exchanger | |
| CN219510834U (en) | Flue gas absorption type cold water/heat pump unit of heat pipe type generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |