CN2294440Y - Waste heat boiler - Google Patents
Waste heat boiler Download PDFInfo
- Publication number
- CN2294440Y CN2294440Y CN 97202017 CN97202017U CN2294440Y CN 2294440 Y CN2294440 Y CN 2294440Y CN 97202017 CN97202017 CN 97202017 CN 97202017 U CN97202017 U CN 97202017U CN 2294440 Y CN2294440 Y CN 2294440Y
- Authority
- CN
- China
- Prior art keywords
- heat
- pipe
- waste heat
- steam
- heat boiler
- 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.)
- Expired - Lifetime
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a waste heat boiler, which comprises an outer shell (2) and a heat-exchanging pipe bundle (3). The utility model is characterized in that the pipe bundle (3) is provided with a heat-exchanging pipe (5) which is vertically placed in the outer shell (2); the upper end of the heat exchanging pipe (5) is provided with a steam summarizing pipe (4), and the lower end is provided with a water summarizing pipe (11); the steam formed after the utility model is heated is led out from the steam summarizing pipe (4); a steam overheating apparatus (7) and a coal-saving apparatus (8) are arranged between an outlet for coal gas (13) and the outer shell. The waste heat boiler has the advantages that no ash is deposited on the outside of the heat-exchanging pipe, the heat efficiency is high, and the waste heat can be fully utilized.
Description
The utility model relates to general heat exchange, particularly heat exchange medium not directly the contact heat-exchange apparatus.
Tubing heat exchanger is a general industry heat-exchange apparatus commonly used, producing coal gas, imperative equipment especially in the industry such as coke is particularly in order to reclaim heat, for example waste heat boiler in the coal gas industry, it can with coal gas with heat recovery, be a kind of requisite energy-saving equipment, but used now waste heat boiler, tube bank is horizontal positioned, soot particle contained in the gas very easily gathers in the outside of horizontal tube bundle pipe, thereby influences heat transfer efficiency.
The pipe that the purpose of this utility model provides a kind of tube bank outward can dust stratification and is improved the waste heat boiler of heat transfer efficiency.
The pipe that another purpose of the present utility model provides a kind of tube bank outward can dust stratification, and have steam superheating and water give thermic devices to make full use of the waste heat boiler of used heat.
The purpose of this utility model realizes that by following technical scheme waste heat boiler has shell and heat-exchanging tube bundle, it is characterized in that said heat-exchanging tube bundle has the vertical in the enclosure heat exchanger tube of placing.
Because its heat exchanger tube is vertical, so its outer surface can not accumulate in coal gas or the flue gas with ash, thereby improved heat transfer efficiency.
Heat-exchanging tube bundle comprises the pipe that gathers of upper and lower, gather have between the pipe arrangement in a row or cross arrangement and with gather the many heat exchanger tubes that pipe is connected.
Between shell and gas exit, can have the steam superheater of coiled and the economizer of coiled, in order to the soft water of heating steam and heating input waste heat boiler.Therefore, in this waste heat boiler, can make full use of the used heat that coal gas or flue gas have.
Below in conjunction with drawings and Examples waste heat boiler of the present utility model is explained in detail.
Fig. 1 is the cutaway view of the utility model waste heat boiler;
As Fig. 1, waste heat boiler has shell 2, have coal gas or smoke inlet 1 on the housing, 1 bottom that enters the mouth has ash releasing tube, also have coal gas or exhanst gas outlet 13 on the housing, heat-exchanging tube bundle 3 is housed in housing 2, and heat-exchanging tube bundle 3 comprises that the steam on top gathers pipe 4, and the water of bottom gathers pipe 11, two gather have in a row or cross arrangement between the pipe and with gather the many heat exchanger tubes 5 that pipe is connected, heat exchanger tube 5 is vertical the placement in housing 1, gathers on the pipe 4 at steam to have steam pipe 6 and water inlet pipe 10, and water inlet pipe 10 also can gather pipe 11 with water and link to each other, water is walked tube side, coal gas or flue gas are walked shell side, and after heat exchange, formed steam is sent to up outlet 9 from steam pipe 6, coal gas or flue gas are sent from gas exit 13, at gas entry 1, housing 2 and outlet 13 bottoms, the ash that all has ash releasing tube 14 to sink with discharge.Gather Guan Keru figure and be the circular section, also can make odd-shaped cross section as required,, derive in order to steam as oval-shaped.
Between coal gas or exhanst gas outlet 13 and housing 2, superheater 7 and economizer 8 can be housed, said superheater 7 comprises a housing and heat exchange coil, steam in the steam pipe 6 is caused in the coil pipe of superheater, and with coal gas from pipe outer by and become superheated steam to export Steam Heating from exporting 9, economizer 8 also has heat exchange coil, the coal gas that superheater comes out is sent from gas exit 13 through the shell side of economizer, and soft water is walked from soft water inlet 12 and transported in steam header 4 or the water header 11 after the economizer tube side gives heat.So can obtain superheated steam and can make full use of waste heat making water give heat, thereby can make full use of the waste heat and the energy.Certainly, superheater (7) and economizer (8) can be two kinds and all have also one of them is arranged.
Waste heat boiler of the present utility model, because the pipe of tube bank is vertical the placement, can dust stratification outside pipe, improve heat exchange efficiency and reduced maintenance load, on this waste heat boiler, also can have steam superheater and economizer, further improved the efficient and the energy utilization rate of waste heat boiler.
Claims (5)
1, a kind of waste heat boiler has shell (2) and heat-exchanging tube bundle (3), it is characterized in that said heat-exchanging tube bundle (3) has the vertical heat exchanger tube of placing (5) in shell (2).
2, by the described waste heat boiler of claim 1, it is characterized in that said heat-exchanging tube bundle (3) comprises that the steam on top gathers pipe (4), the water of bottom gathers pipe (11), two gather between the pipe and with gather the heat exchanger tube (5) that pipe is connected.
3, by claim 1 or 2 described waste heat boilers, the heat exchanger tube (5) that it is characterized in that said heat-exchanging tube bundle (3) is the heat exchanger tube (5) of in a row arrangement or cross arrangement.
By claim 1 or 2 described waste heat boilers, it is characterized in that 4, the bottom of outlet (13) and shell (2) has ash releasing tube (14) in gas inlet (1).
5, by claim 1 or 2 described waste heat boilers, it is characterized in that between shell (2) and gas exit (13), also having the superheater (7) of coiled and/or the economizer (8) of coiled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202017 CN2294440Y (en) | 1997-03-12 | 1997-03-12 | Waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97202017 CN2294440Y (en) | 1997-03-12 | 1997-03-12 | Waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2294440Y true CN2294440Y (en) | 1998-10-14 |
Family
ID=33923277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97202017 Expired - Lifetime CN2294440Y (en) | 1997-03-12 | 1997-03-12 | Waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2294440Y (en) |
-
1997
- 1997-03-12 CN CN 97202017 patent/CN2294440Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |