CN201852447U - Energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in single radiation chamber overhead convection section - Google Patents
Energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in single radiation chamber overhead convection section Download PDFInfo
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- CN201852447U CN201852447U CN2010205826922U CN201020582692U CN201852447U CN 201852447 U CN201852447 U CN 201852447U CN 2010205826922 U CN2010205826922 U CN 2010205826922U CN 201020582692 U CN201020582692 U CN 201020582692U CN 201852447 U CN201852447 U CN 201852447U
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Abstract
The utility model discloses an energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in a single radiation chamber overhead convection section, which comprises a radiation chamber and a chimney, wherein the radiation chamber is arranged in an oven body, the chimney is communicated with the radiation chamber, steam-coke mixed gas radiation section oven pipes are arranged in the radiation chamber, the bottom of the radiation chamber is provided with a burner, the radiation chamber is a square-box-shaped radiation chamber, the chimney is arranged at the top of the radiation chamber, a convection chamber, an air preheating chamber and a transition chamber are sequentially arranged between the radiation chamber and the chimney from the top of the radiation chamber, an inlet of the air preheating chamber is provided with a blower, the radiation chamber comprises a radiation chamber inlet connecting box and a radiation chamber outlet connecting box, the steam-coke mixed gas radiation section oven pipes comprise two rows of vertical pipes and a 180-degree connection elbow, the two rows of vertical pipes are vertically ranged in the radiation chamber, the 180-degree connection elbow is positioned at the bottom end of the two rows of vertical pipes, the top ends of the two rows of vertical pipes are respectively inlet branch pipes and outlet branch pipes which are positioned outside the radiation chamber, and the upper ends of the two rows of vertical pipes are respectively connected with the radiation chamber inlet connecting box and the radiation chamber outlet connecting box through the inlet branch pipes and the outlet branch pipes. The energy-saving type comprehensive heating oven disclosed by the utility model can simultaneously meet the requirements of high heat efficiency, energy saving, environment protection, safe operation and the like.
Description
Technical field
The utility model relates to a kind of oven gas system methyl alcohol firing equipment that is used for, and relates in particular to a kind of comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section.
Background technology
Oven gas system methyl alcohol is the important behave of national energy-saving and emission-reduction strategy, adopt advanced technologies, by utilizing process of coking by-product coke furnace gas to prepare refined methanol, both reached the environmental protection purpose, can create considerable economic again, have good economic benefits and good social benefit, have popularizing value.Therefore, be applying of oven gas system methanol project, need utilize oven gas pure oxygen-steam-reforming technology and low pressure methanol synthesis technology to reach long-term stability, safety, oepration at full load.This technology comprises that oven gas Holder System, wet desulfurization system, alternating temperature absorption remove naphthalene and tar system, oven gas compressibility, the smart desulphurization system of oven gas, pure oxygen conversion system, the smart desulphurization system of reformed gas, synthesis gas compressibility, system for methanol synthesis and methanol fractionation system.Wherein, the technical process of pure oxygen conversion system is: the oven gas after the supercharging preheating, transform organic sulfur through iron-molybdic catalyst, after the absorption of ZnO desulfurizing agent, transform with part and to enter this heating furnace after mixing with middle pressure steam and be heated to and enter the reburner top about 650 ℃ again, with the mixture of oxygen after the preheating and water vapour in the burner place mixed combustion of reburner top, provide conversion reaction required heat, gas after the burning enters the reforming catalyst bed of reburner middle and lower part in the lump, and the conversion reaction of hydro carbons and steam takes place in beds.Also can produce superheated steam and preheated air in the heating process of this technology, the fuel of heating adopts methyl alcohol usually.Yet there are no the heater in the oven gas system that the is exclusively used in methyl alcohol industry of requirements such as can satisfying thermal efficiency height, energy-conserving and environment-protective, security of operation.
The utility model content
At above-mentioned prior art, the utility model provides a kind of comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section, and this heating furnace can satisfy requirements such as thermal efficiency height, energy-conserving and environment-protective, security of operation simultaneously.
In order to solve the problems of the technologies described above, the technical scheme that the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of the utility model list radiation chamber overhead convection section is achieved is: comprise radiation chamber in the body of heater and the chimney that is communicated with described radiation chamber, be provided with in the described radiation chamber and steam burnt gaseous mixture radiant coil, the bottom of described radiation value is provided with burner, described radiation chamber is a square box shape radiation chamber, described chimney is arranged on the top of described radiation chamber, and top, autoradiolysis chamber is provided with convection cell successively between described radiation chamber and chimney, air preheater, and the transition chamber between described air preheater and the described chimney; The air preheater import is provided with air blast, described radiation chamber comprises radiation chamber inlet header and radiation chamber outlet header, the burnt gaseous mixture radiant coil of described steaming comprises that two arrange one 180 ° of connection elbows that are vertically arranged in the standpipe in the radiation chamber and are positioned at two row's standpipe bottoms, the top of described two row's standpipes is respectively and is positioned at radiation chamber outer entrance branch and outlet stool, and described entrance branch and described outlet stool connect the upper end of two row's standpipes respectively with described radiation chamber inlet header and described radiation chamber outlet header.
The comprehensive heating furnace of energy-saving oven gas system methyl alcohol of the utility model list radiation chamber overhead convection section, wherein, the burnt gaseous mixture radiant coil of described steaming, entrance branch and outlet stool adopt bullet to adopt spring support hanging frame to support.Described convection cell is the convection cell of series connection more than or two.Being shaped as of described transition chamber is round table-like.Described body of heater adopts steel construction to support, and is provided with five layer operation platforms.Described air blast is two.
Compared with prior art, the beneficial effects of the utility model are:
The heating furnace thermic load is bigger, if adopt cylindrical furnace to heat same processing medium, from the investment angle, the one-time investment cost of both needs is more or less the same, but employing Heat Emission Pipe in Cylindrical Furnace scheme diameter will be very big, and the stressed and arrangement complexity of boiler tube, from aspects such as design rationality and operation conveniences, do not have square chest type heating furnace to have superiority, this will cause follow-up investment to increase, the situation that operation cost increases.In general, the large-scale plant design principle is reliable and stable, simple to operate, can reduce parking rate and interruption of service rate, therefore batch-type furnace is more superior than cylindrical furnace, once investing under the equal situation, adopting square chest type heating furnace effectively to reduce stop frequency, economic benefit will be very obvious.In addition, this heating furnace can effectively reduce heat loss by heat recovery, improves thermal efficiency of heating furnace, the energy-saving and emission-reduction create beneficial result.
Methyl alcohol is the basic very widely Organic Chemicals of purposes, is only second to ethene, propylene and benzene in the output of developed country, occupies the 4th.Set out by methyl alcohol and can produce many kinds of chemical products; Methyl alcohol also can be used as the energy.The methyl alcohol purposes is wide, and almost can not find another organic products has so wide scope of application of methyl alcohol.
Description of drawings
Fig. 1 is the utility model heating furnace front sectional structure schematic diagram;
Fig. 2 is the cutaway view of A-A slice location among Fig. 1;
Fig. 3 is the cutaway view of the slice location of B-B shown in Fig. 1;
Fig. 4 is the cutaway view of the slice location of C-C shown in Fig. 1.
Among the figure:
1---radiation chamber 2---convection cell 3---air preheater
4---transition chamber 5---chimney 6---burners
7---air blast 8---spring support hanging frame
11------elbow 13---inlet headers that steam burnt gaseous mixture radiant coil 12
14---outlet header 15---entrance branch 16---outlet stools
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
As shown in Figure 1, the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of the utility model list radiation chamber overhead convection section, comprise radiation chamber 1 in the body of heater and the chimney 5 that is communicated with described radiation chamber 1, be provided with in the described radiation chamber 1 and steam burnt gaseous mixture radiant coil 1, the bottom of described radiation chamber 1 is provided with burner 6, burner 6 adopts low NOx environment-friendly type burner, and strict control ignition temperature reduces the NOx value in the flue gas, and the smoke evacuation index meets national requirements for environmental protection.Described radiation chamber 1 is a square box shape radiation chamber, described chimney 5 is arranged on the top of described radiation chamber 1, be provided with convection cell 2, air preheater 3 at the top of autoradiolysis chamber 1 between described radiation chamber 1 and the chimney 5 successively, reach the transition chamber 4 between described air preheater 3 and the described chimney 5, air preheater 3 imports are provided with air blast 7, as shown in figures 1 and 3, described convection cell 2 is the convection cell of series connection more than or two, and being shaped as of described transition chamber 4 is round table-like.Hot flue gas in the radiation chamber 1 enters convection cell 2 by flue and carries out heat exchange, carries out waste heat recovery through air preheater 3 again, finally by chimney 5 emptying.
As shown in Figure 1 and Figure 4, described radiation chamber 1 comprises radiation chamber inlet header 13 and radiation chamber outlet header 14, the burnt gaseous mixture radiant coil 11 of described steaming comprises that two arrange one 180 ° of connection elbows 12 that are vertically arranged in the standpipe in the radiation chamber 1 and are positioned at two row's standpipe bottoms, this two rows standpipe heating surface can increase swept area effectively, improve radianting capacity, the top of described two row's standpipes is respectively entrance branch 15 and the outlet stool 16 that is positioned at outside the radiation chamber 1, and described entrance branch 15 and described outlet stool 16 connect the upper ends of two row's standpipes respectively with described radiation chamber inlet header 13 and described radiation chamber outlet header 14; The burnt gaseous mixture radiant coil 1 of described steaming, entrance branch 15 and outlet stool 16 adopt spring support hanging frame 8 to support.Because burner is positioned at the bottom of radiation chamber 1, its flame burns vertically upward, and radiation chamber 1 whole side wall is reached a high temperature, and forms radiant wall, and the burnt gaseous mixture radiant coil 1 of steaming is evenly distributed in the calorific intensity of length direction and circumferencial direction.
Design has two air blasts 7, air blast to be out that one is equipped with in the utility model heating furnace, when operating blower fan breaks down, standby fan starts immediately, when two air blasts all can not normally move, the door that blows in soon on the air channel was opened automatically, ensured normally air feed safely of heating furnace.
The liner of radiation chamber 1 adopts the refractory ceramic fibre module to be fixed by anchoring piece in the body of heater, and refractory brick is adopted in the bottom.The furnace bottom of radiation chamber adopts the composite fire lining, is formed by schamotte brick and lightweight and heavy refractory material casting.The liner high-temperature part of convection cell 2 adopts the high-alumina refractory fiber module to be fixed by anchoring piece.Proper Design is light-duty furnace lining, has good heat insulating, the characteristics that construction speed is fast.Chimney lining adopts the light weight castable refractory cast to form.The material that the utility model adopts is selected advanced, standard, meets " five change " design principle, invests low, high efficiency.The parts of heating furnace adopt modularized design, can realize the batch production making to greatest extent, reduce the on-site installation work amount, save set-up time and work on the spot amount.Heating furnace adopts steel construction to support, and five layer operation platforms is set, as shown in Figure 3.The heating furnace side wall is provided with flame and detects mouth, detects burner hearth internal combustion state at any time, and design steam fire smothering system in burner hearth, guarantees the safe operation of heating furnace.
Whole heating furnace structure compact and reasonable, furnace thermal efficiency can reach more than 90%.Because of the normal postrun operating mode of heating furnace is stable, so the control method that whole heating furnace employing Central Control Room monitoring+scene regulated is controlled.Each pipe group of heating furnace is imported and exported thermometer and Pressure gauge is set respectively, and the temperature and pressure of medium is respectively organized in monitoring at any time, and the outlet temperature situation by the radiation chamber medium is carried out manual adjustments to the burner at scene; And oxygen analyser is set at the radiation chamber exhanst gas outlet, and regulate the intake of burner by the oxygen content in the monitoring flue gas, guarantee the thermal efficiency of heating furnace.Simultaneously, heating furnace can also be provided with a series of safety interlockings.
Although in conjunction with figure the utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the present utility model.
Claims (6)
1. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of a single radiation chamber overhead convection section, comprise radiation chamber (1) in the body of heater and the chimney (5) that is communicated with described radiation chamber (1), be provided with in the described radiation chamber (1) and steam burnt gaseous mixture radiant coil (11), the bottom of described radiation chamber (1) is provided with burner (6), it is characterized in that
Described radiation chamber (1) is a square box shape radiation chamber, described chimney (5) is arranged on the top of described radiation chamber (1), is provided with convection cell (2), air preheater (3) at the top of autoradiolysis chamber (1) between described radiation chamber (1) and the chimney (5) successively, reaches the transition chamber (4) between described air preheater (3) and the described chimney (5); Described air preheater (3) import is provided with air blast (7), described radiation chamber (1) comprises radiation chamber inlet header (13) and radiation chamber outlet header (14), the burnt gaseous mixture radiant coil of described steaming (11) comprises that two arrange one 180 ° of connection elbows (12) that are vertically arranged in the standpipe in the radiation chamber (1) and are positioned at two row's standpipe bottoms, the top of described two row's standpipes is respectively and is positioned at radiation chamber (1) outer entrance branch (15) and outlet stool (16), and described entrance branch (15) and described outlet stool (16) connect the upper end of two row's standpipes respectively with described radiation chamber inlet header (13) and described radiation chamber outlet header (14).
2. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section according to claim 1, it is characterized in that the burnt gaseous mixture radiant coil of described steaming (11), entrance branch (15) and outlet stool (16) adopt spring support hanging frame (8) to support.
3. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section according to claim 1 is characterized in that, described convection cell (2) is the convection cell of series connection more than or two.
4. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section according to claim 1 is characterized in that being shaped as of described transition chamber (4) is round table-like.
5. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section according to claim 1 is characterized in that, described body of heater adopts steel construction to support, and is provided with five layer operation platforms.
6. the comprehensive heating furnace of energy-saving oven gas system methyl alcohol of single radiation chamber overhead convection section according to claim 1 is characterized in that described air blast (7) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205826922U CN201852447U (en) | 2010-10-29 | 2010-10-29 | Energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in single radiation chamber overhead convection section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205826922U CN201852447U (en) | 2010-10-29 | 2010-10-29 | Energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in single radiation chamber overhead convection section |
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| CN201852447U true CN201852447U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205826922U Expired - Lifetime CN201852447U (en) | 2010-10-29 | 2010-10-29 | Energy-saving type comprehensive heating oven for preparing methanol from coke oven gas in single radiation chamber overhead convection section |
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| CN (1) | CN201852447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643161A (en) * | 2017-01-24 | 2017-05-10 | 碧海舟（北京）节能环保装备有限公司 | Heating furnace device |
| CN114811948A (en) * | 2022-05-11 | 2022-07-29 | 山东晋煤明升达化工有限公司 | Start-up heating furnace for preheating synthetic ammonia system |
-
2010
- 2010-10-29 CN CN2010205826922U patent/CN201852447U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643161A (en) * | 2017-01-24 | 2017-05-10 | 碧海舟（北京）节能环保装备有限公司 | Heating furnace device |
| CN114811948A (en) * | 2022-05-11 | 2022-07-29 | 山东晋煤明升达化工有限公司 | Start-up heating furnace for preheating synthetic ammonia system |
| CN114811948B (en) * | 2022-05-11 | 2023-10-27 | 山东晋煤明升达化工有限公司 | Start-up heating furnace for preheating synthetic ammonia system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |