CN204254591U - A kind of tetrafluoroethene produces special steam superheater - Google Patents
A kind of tetrafluoroethene produces special steam superheater Download PDFInfo
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- CN204254591U CN204254591U CN201420522275.7U CN201420522275U CN204254591U CN 204254591 U CN204254591 U CN 204254591U CN 201420522275 U CN201420522275 U CN 201420522275U CN 204254591 U CN204254591 U CN 204254591U
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- tetrafluoroethene
- air preheat
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Abstract
The utility model discloses a kind of tetrafluoroethene and produce special steam superheater, air preheat section, convection section and radiant section is followed successively by from top to bottom in body of heater, bottom of furnace body is provided with burner, steam tube bundle and convection bank is provided with in described convection section, described steam tube bundle comprises the steam tube bundle epimere and steam tube bundle hypomere that are connected by steam down pipe, and described convection bank is arranged between steam tube bundle epimere and steam tube bundle hypomere.Superheater of the present utility model solves the higher problem of energy consumption in prior art.
Description
Technical field
The utility model relates to thermal hardware production technical field, particularly relates to a kind of tetrafluoroethene and produces special steam superheater.
Background technology
At present, utilizing steam to carry out in industrial processes, technique is requiring adopt the more and more of superheated steam.The more employing electrical heating of steam superheater all the time, but energy charge is higher.The structure mainly comprising burner, combustion chamber, superheater, attemperator, water preheater and air preheater with fuel oil or the combustion gas steam superheater that is fuel developed in recent years, heat exchange mode is mainly heat convection, and its shortcoming is that specific energy consumption is large, heat recovery ability is low, inconvenient operation, metal consumption are large, floor space is large.
Utility model content
For solving the deficiencies in the prior art, the utility model specifically discloses a kind of tetrafluoroethene and produces special steam superheater.
The technical solution adopted in the utility model is as follows:
A kind of tetrafluoroethene produces special steam superheater, air preheat section, convection section and radiant section is followed successively by from top to bottom in body of heater, bottom of furnace body is provided with burner, steam tube bundle and convection bank is provided with in described convection section, described steam tube bundle comprises the steam tube bundle epimere and steam tube bundle hypomere that are connected by steam down pipe, and described convection bank is arranged between steam tube bundle epimere and steam tube bundle hypomere.
Described air preheat section is provided with multi-layer air heat-exchanging tube bundle.
Described burner adopts DCS auto-ignition combustion device.
Described steam superheating furnace upper end is provided with smoke exhaust barrel, and described smoke exhaust barrel is provided with the smoke evacuation automatic regulating valve realizing automatically regulating aperture according to furnace pressure.
The valve rod that described its structure of smoke evacuation automatic regulating valve comprises valve plate, be connected with valve plate and be connected with valve rod can realize according to furnace pressure the electric adjusting mechanism that valve regulates aperture automatically.
Described air preheat section adopts fin heat exchange pipe bundle.
The radiant section tube bank of described radiant section adopts snakelike furnace wall tubes form.
Described steam tube bundle is provided with steam inlet, steam down pipe and steam (vapor) outlet, and described steam (vapor) outlet is restrained with described radiant section and is connected.
Described convection bank is provided with convection bank entrance and convection bank outlet.
Described air preheat section is divided into air preheat section top and air preheat pars infrasegmentalis, described air preheat section top and air preheat pars infrasegmentalis are equipped with fin heat exchange pipe, described air preheat section top is provided with cool air inlet, and air preheat pars infrasegmentalis is provided with hot air outlet.
The beneficial effects of the utility model:
1. convection bank comprises the steam tube bundle epimere and steam tube bundle hypomere that are connected by steam down pipe, convection bank is arranged between steam tube bundle epimere and steam tube bundle hypomere, steam is by after the heat exchange of convection bank epimere, enter convection bank hypomere, then the snakelike furnace wall tubes of radiant section is entered, heat content difference according to steam and monochlorodifluoromethane arranges, and heats up and reaches technological requirement, simultaneously maximal efficiency utilize waste heat.
2., because described smoke exhaust barrel is provided with smoke evacuation automatic regulating valve, realize automatically regulating aperture according to furnace pressure.
3., owing to being provided with air preheat section, adopt fin heat exchange pipe bundle to utilize waste heat to greatest extent, it is combustion-supporting that hot-air melts down thorax.
4. the radiant section tube bank of radiant section adopts snakelike furnace wall tubes form, adopts this kind of form to utilize flame heat regulating to greatest extent, avoids flame direct baking boiler tube simultaneously, ensure the service life of boiler tube.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is radiant section Pipe bundle structure schematic diagram;
Fig. 3 is convection section Pipe bundle structure schematic diagram;
Fig. 4 is air preheat segment structure schematic diagram;
Wherein, 1 smoke evacuation automatic regulating valve, 2 air preheat sections, 3 convection sections, 4 radiant sections, 5 burners, 6 radiant section tube bank coil outlet, 7 radiant section tube bank boiler tube entrances, 8 radiant section tube bank boiler tubes, 9 steam tube bundle entrances, 10 steam down pipes, 11 convection bank entrances, 12 convection bank outlets, 13 steam tube bundle outlets, 14 air preheat section tops, 15 air preheat pars infrasegmentalises, 16 fin heat exchange pipes, 17 cool air inlets, 18 hot air outlets.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail:
A kind of tetrafluoroethene produces special steam superheater, its structure is as Figure 1-4: comprise air preheat section 2, convection section 3 and radiant section 4 three part, steam tube bundle and convection bank is provided with in described convection section 3, described steam tube bundle comprises the steam tube bundle epimere and steam tube bundle hypomere that are connected by steam down pipe 10, described steam tube bundle epimere is provided with steam tube bundle entrance 9, steam tube bundle hypomere is provided with steam tube bundle outlet 13, described steam tube bundle and convection bank arrange according to the difference of heat content, described convection bank is arranged between steam tube bundle epimere and steam tube bundle hypomere, described convection bank is provided with monochlorodifluoromethane convection bank entrance 11 and convection bank outlet 12, described convection bank is R22 convection bank, steam is by after the heat exchange of convection bank epimere, enter convection bank hypomere, then the snakelike furnace wall tubes of radiant section is entered, intensification reaches technological requirement.
Described air preheat section is divided into air preheat section top 14 and air preheat pars infrasegmentalis 15, described air preheat section top 14 and air preheat pars infrasegmentalis 15 are equipped with fin heat exchange pipe 16, described air preheat section top 14 is provided with cool air inlet 17, air preheat pars infrasegmentalis 15 is provided with hot air outlet 18, during work, by blower fan, cold air is transported to air preheat section after top, lower multilayer tube bank absorb heat, is delivered to burner 5 through hot air outlet house steward combustion-supporting.
Described steam superheating furnace bottom is provided with separately burner 5.
Described steam superheating furnace upper end is provided with smoke exhaust barrel, and described smoke exhaust barrel is provided with smoke evacuation automatic regulating valve 1, realizes automatically regulating aperture according to furnace pressure.
The valve rod that described its structure of smoke evacuation automatic regulating valve comprises valve plate, be connected with valve plate and be connected with valve rod can realize according to furnace pressure the electric adjusting mechanism that valve regulates aperture automatically.
Described burner 5 adopts DCS auto-ignition combustion device, adopts clean semiwater gas as fuel.
Described air preheat section 2, adopt fin heat exchange pipe bundle to utilize waste heat to greatest extent, it is combustion-supporting that hot-air melts down thorax.
The radiant section tube bank of described radiant section 4 adopts snakelike furnace wall tubes form.
Described steam tube bundle is provided with steam inlet, steam down pipe and steam (vapor) outlet, and described steam (vapor) outlet is restrained with described radiant section section and is connected.
According to technological requirement, convection section 3 and radiant section 4 heat exchanger tube material adopt exotic material, as ceramic material.
For meeting the operation of stove hot environment, adopting different block furnaceman skills to build by laying bricks or stones to body of heater different parts, effectively prevent thermal loss.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model
Claims (8)
1. a tetrafluoroethene produces special steam superheater, it is characterized in that, air preheat section, convection section and radiant section is followed successively by from top to bottom in body of heater, bottom of furnace body is provided with burner, steam tube bundle and convection bank is provided with in described convection section, described steam tube bundle comprises the steam tube bundle epimere and steam tube bundle hypomere that are connected by steam down pipe, and described convection bank is arranged between steam tube bundle epimere and steam tube bundle hypomere.
2. a kind of tetrafluoroethene as claimed in claim 1 produces special steam superheater, and it is characterized in that, described air preheat section is provided with multi-layer air heat-exchanging tube bundle.
3. a kind of tetrafluoroethene as claimed in claim 1 produces special steam superheater, it is characterized in that, described burner adopts DCS auto-ignition combustion device.
4. a kind of tetrafluoroethene as claimed in claim 1 produces special steam superheater, it is characterized in that, described air preheat section adopts fin heat exchange pipe bundle.
5. a kind of tetrafluoroethene as claimed in claim 2 produces special steam superheater, it is characterized in that, the radiant section tube bank of described radiant section adopts snakelike furnace wall tubes.
6. a kind of tetrafluoroethene as claimed in claim 1 produces special steam superheater, and it is characterized in that, described steam tube bundle is provided with steam inlet, steam down pipe and steam (vapor) outlet, and described steam (vapor) outlet is restrained with described radiant section and is connected.
7. a kind of tetrafluoroethene as claimed in claim 5 produces special steam superheater, it is characterized in that, convection section and radiant section heat exchanger tube adopt ceramic material to make.
8. a kind of tetrafluoroethene as claimed in claim 1 produces special steam superheater, it is characterized in that, described air preheat section is divided into air preheat section top and air preheat pars infrasegmentalis, described air preheat section top and air preheat pars infrasegmentalis are equipped with fin heat exchange pipe, described air preheat section top is provided with cool air inlet, and air preheat pars infrasegmentalis is provided with hot air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522275.7U CN204254591U (en) | 2014-09-11 | 2014-09-11 | A kind of tetrafluoroethene produces special steam superheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420522275.7U CN204254591U (en) | 2014-09-11 | 2014-09-11 | A kind of tetrafluoroethene produces special steam superheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254591U true CN204254591U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420522275.7U Active CN204254591U (en) | 2014-09-11 | 2014-09-11 | A kind of tetrafluoroethene produces special steam superheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204254591U (en) |
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2014
- 2014-09-11 CN CN201420522275.7U patent/CN204254591U/en active Active
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