CN204786508U - Prevent stifled high -efficient type flue gas heater - Google Patents
Prevent stifled high -efficient type flue gas heater Download PDFInfo
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- CN204786508U CN204786508U CN201520456250.6U CN201520456250U CN204786508U CN 204786508 U CN204786508 U CN 204786508U CN 201520456250 U CN201520456250 U CN 201520456250U CN 204786508 U CN204786508 U CN 204786508U
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- flue gas
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- temperature hot
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Abstract
The utility model discloses a prevent stifled high -efficient type flue gas heater, including the heater jar, the heater jar passes through the support to be supported subaerial, and heater jar front end is equipped with flue gas inlet's air inlet awl, be close to the front end in the heater jar and be equipped with water separator, flue gas in the air inlet awl behind water separator with prevent stifled heat exchanger heat transfer, the flue gas after the heating passes through the exhanst gas outlet and discharges, the funnel that the comdenstion water by heating ware tank bottoms portion of water separator production was equipped with is collected in comdenstion water collection device. The utility model discloses a prevent stifled high -efficient type flue gas heater through add water separator at the inlet end, effectively prevents the most water smoke in the flue gas after the deacidification, has improved rotproofness and the life of equipment under low temperature, high wet state, the heat exchanger comprises a plurality of heat exchange tube unit to the heat exchange tube unit of vertical axle both sides is circular -arc, has increased the area of contact of heat exchange tube with the flue gas, has improved heat exchange efficiency.
Description
Technical field
The utility model relates to a kind of heat-exchanger rig, is specifically related to a kind of anti-blocking heavy duty detergent flue gas heater.
Background technology
Be generally wet saturation state between 45 ~ 55 DEG C from desulfurizing tower neat stress temperature out, if directly discharge can bring two kinds of disadvantageous results: one is that plume rise diffusivity is low, forms water smoke contaminated environment near chimney, namely washes under so-called plume; Two is because flue gas is below dew point, has acid and drips and condense out from flue gas, i.e. so-called i.e. contaminated environment but also cause cold end corrosion to equipment of raining.Therefore in flue gas desulphurization system, anti-blocking heavy duty detergent flue gas heater is set after desulfurizing tower usually, the former flue gas of boiler is utilized to heat flue gas after desulfurization, flue-gas temperature is made to rise to about 80 DEG C by 45 ~ 55 DEG C, improve rising height and the diffusivity of neat stress, reduce the flooring concentration of the pollutants such as SO2, dust and NOX, the condensation alleviating wet flue gas is alleviated follow-up flue and chimney and corrosion, and eliminates the phenomenon that neat stress chimney emits white cigarette.Existing Smoke-heating device is light pipe snake type radiator, and heat exchange efficiency is low, and equipment is heavy, installs inconvenient.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of anti-blocking heavy duty detergent flue gas heater, by having set up water separator at inlet end, effectively prevent the most of water smoke in flue gas after depickling, the rotproofness of the equipment that improves under low temperature, high humidity state and service life.
Technical scheme: for solving the problems of the technologies described above, the anti-blocking heavy duty detergent flue gas heater of one of the present utility model, comprise heater tank, described heater tank supports on the ground by support, heater tank front end is provided with the air intake cone of gas approach, is provided with water separator near front end in heater tank, the flue gas in air intake cone after water separator with anti-blocking heat exchanger heat exchange, the flue gas after heating is discharged by exhanst gas outlet; The collection funnel that the condensed water that described water separator produces is provided with by heater pot bottom is in condensed water collecting device.
As preferably, described anti-blocking heat exchanger comprises air inlet pipe, heat exchanger tube and escape pipe, described heater tank is provided with several high temperature hot gas imports and high temperature hot gas outlet, air inlet pipe is by the first stop valve and high temperature hot gas inlet communication, the two ends of every root heat exchanger tube simultaneously with high temperature hot gas import and high temperature hot gas outlet, high temperature hot gas outlet is communicated with outside air by escape pipe.
As preferably, with the heat exchange tube unit of a pair high temperature hot gas import and high temperature hot gas outlet while that described heat exchanger tube comprising some, described heat exchange tube unit is symmetrical along heater tank vertical axes, and the heat exchange tube unit of vertical axes both sides is arc-shaped.
As preferably, described condensed water collecting device comprises drain valve and condensate pipe, described condensate pipe one end is communicated with funnel, condensate pipe is provided with the second stop valve, the other end of condensate pipe is communicated with blast pipe with drain valve simultaneously, condensed water is discharged to outside heater tank by drain valve, and a part of gas is discharged to outside heater tank by blast pipe.
Beneficial effect: anti-blocking heavy duty detergent flue gas heater of the present utility model, by having set up water separator at inlet end, has effectively prevented the most of water smoke in flue gas after depickling, the rotproofness of the equipment that improves under low temperature, high humidity state and service life; Heat exchanger is made up of several heat exchange tube units, and the heat exchange tube unit of vertical axes both sides is arc-shaped, adds the contact area of heat exchanger tube and flue gas, improves heat exchange efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of heat exchanger in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the anti-blocking heavy duty detergent flue gas heater of one of the present utility model, comprise heater tank 10, described heater tank 10 supports on the ground by support, described heater tank 10 front end is provided with the air intake cone 1 of gas approach, is provided with water separator 2 near front end in heater tank 10, the flue gas in air intake cone 1 after water separator 2 with anti-blocking heat exchanger 4 heat exchange, the flue gas after heating is discharged by exhanst gas outlet 5; The condensed water that described water separator 2 produces by the collection funnel that is provided with bottom heater tank 10 in condensed water collecting device.
As shown in Figure 2, described anti-blocking heat exchanger 4 comprises air inlet pipe 3, heat exchanger tube 8 and escape pipe 6, described heater tank 10 is provided with several high temperature hot gas imports and high temperature hot gas outlet, air inlet pipe 3 is by the first stop valve and high temperature hot gas inlet communication, the two ends of every root heat exchanger tube 8 simultaneously with high temperature hot gas import and high temperature hot gas outlet, high temperature hot gas outlet is communicated with outside air by escape pipe 6; With the heat exchange tube unit 9 of a pair high temperature hot gas import and high temperature hot gas outlet while that described heat exchanger tube 8 comprising some, described heat exchange tube unit 9 is symmetrical along heater tank 10 vertical axes, and the heat exchange tube unit 9 of vertical axes both sides is arc-shaped.
In the utility model, described condensed water collecting device comprises drain valve 7 and condensate pipe, described condensate pipe one end is communicated with funnel, condensate pipe is provided with the second stop valve, the other end of condensate pipe is communicated with blast pipe with drain valve 7 simultaneously, condensed water is discharged to outside heater tank 10 by drain valve 7, and a part of gas is discharged to outside heater tank 10 by blast pipe.
The utility model in use, flue gas to be heated is introduced into water separator from air intake cone 1, high-temperature steam enters from air inlet pipe 3, heat exchange is carried out at anti-blocking heat exchanger 4 with flue gas, flue gas after heating is given vent to anger from exhanst gas outlet 5, discharge from escape pipe 6 after steam heat-exchanging, achieve flue gas heating process again, improve temperature and the lift of flue gas.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an anti-blocking heavy duty detergent flue gas heater, it is characterized in that: comprise heater tank, described heater tank supports on the ground by support, heater tank front end is provided with the air intake cone of gas approach, water separator is provided with near front end in heater tank, air intake cone in flue gas after water separator with anti-blocking heat exchanger heat exchange, the flue gas after heating is discharged by exhanst gas outlet; The collection funnel that the condensed water that described water separator produces is provided with by heater pot bottom is in condensed water collecting device.
2. anti-blocking heavy duty detergent flue gas heater according to claim 1, it is characterized in that: described anti-blocking heat exchanger comprises air inlet pipe, heat exchanger tube and escape pipe, described heater tank is provided with several high temperature hot gas imports and high temperature hot gas outlet, air inlet pipe is by the first stop valve and high temperature hot gas inlet communication, the two ends of every root heat exchanger tube simultaneously with high temperature hot gas import and high temperature hot gas outlet, high temperature hot gas outlet is communicated with outside air by escape pipe.
3. anti-blocking heavy duty detergent flue gas heater according to claim 2, it is characterized in that: with the heat exchange tube unit of a pair high temperature hot gas import and high temperature hot gas outlet while that described heat exchanger tube comprising some, described heat exchange tube unit is symmetrical along heater tank vertical axes, and the heat exchange tube unit of vertical axes both sides is arc-shaped.
4. anti-blocking heavy duty detergent flue gas heater according to claim 3, it is characterized in that: described condensed water collecting device comprises drain valve and condensate pipe, described condensate pipe one end is communicated with funnel, condensate pipe is provided with the second stop valve, the other end of condensate pipe is communicated with blast pipe with drain valve simultaneously, condensed water is discharged to outside heater tank by drain valve, and a part of gas is discharged to outside heater tank by blast pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456250.6U CN204786508U (en) | 2015-06-29 | 2015-06-29 | Prevent stifled high -efficient type flue gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456250.6U CN204786508U (en) | 2015-06-29 | 2015-06-29 | Prevent stifled high -efficient type flue gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204786508U true CN204786508U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520456250.6U Active CN204786508U (en) | 2015-06-29 | 2015-06-29 | Prevent stifled high -efficient type flue gas heater |
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| CN (1) | CN204786508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631071A (en) * | 2018-12-06 | 2019-04-16 | 李申强 | A method of eliminating white smoke device and heating eliminating white smoke are heated for coal steam-electric plant smoke |
-
2015
- 2015-06-29 CN CN201520456250.6U patent/CN204786508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631071A (en) * | 2018-12-06 | 2019-04-16 | 李申强 | A method of eliminating white smoke device and heating eliminating white smoke are heated for coal steam-electric plant smoke |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |