CN102953149B - Comprehensive treating and using device for waste gas generated by producing carbon fiber - Google Patents
Comprehensive treating and using device for waste gas generated by producing carbon fiber Download PDFInfo
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- CN102953149B CN102953149B CN201210409209.4A CN201210409209A CN102953149B CN 102953149 B CN102953149 B CN 102953149B CN 201210409209 A CN201210409209 A CN 201210409209A CN 102953149 B CN102953149 B CN 102953149B
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Abstract
The invention discloses a comprehensive treating and using device for waste gas generated by producing carbon fiber. The device comprises a furnace body and a spraying absorption tower; the furnace body comprises an inner layer of which the inner part is a cavity and a first heat-preservation layer arranged outside the inner layer; the inner layer is sequentially provided with a waste gas burning section, a first-stage heat exchanging section, a second-stage heat exchanging section and a third-stage heat exchanging section; the third-stage heat exchanging section is connected with the spraying absorption tower; and the first-stage heat exchanging section, the second-stage heat exchanging section and the third-stage heat exchanging section are internally and respectively provided with an independent heat exchange pipeline which is used for carrying out heat exchange with the high-temperature waste gas generated by the treatment of the waste gas burning section. According to the device, the harmful gases contained in the waste gas of a carbonization furnace by the burning of the waste gas burning section, such as HCH, NH3 and the like are removed, so that the environment pollution can be reduced; and the heat energy can be generated by burning. The device sequentially carries out three-time heat exchange, so that the heat energy use ratio of the high-temperature waste gas reaches up to 98%, the energy consumption required by the whole carbon fiber production can be greatly reduced, and the production cost of the carbon fiber can be further reduced.
Description
Technical field
The present invention relates to a kind of emission-control equipment, relate in particular to a kind of integrated treatment use device of carbon fiber process gas.
Background technology
21 century, carbon fiber is usingd its excellent properties as fibre reinforced composites, is applied to widely the fields such as space flight and aviation, defence and military, style equipment, medical devices, new forms of energy and civil construction, and the demand of high-performance carbon fibre also strengthens fast.Carbon fibre manufacturing processes comprises the steps such as pre-oxidation, charing, surface treatment, and each step all has vital impact to the quality of carbon fiber.Carbon fiber energy consumption is high, process gas is perplexing carbon fiber compared with intractable problem always and manufacturing industry, has caused the production cost of carbon fiber always high.
For energy efficient in carbon fiber production process, Chinese patent CN 100451190C provide a kind of efficient energy-saving device of heating-gas circulation use, after the high heat waste gas purification of carbon fibre producing facility being discharged by a gas purifier, pass into again carbon fibre producing facility and recycle, reduced to a certain extent energy consumption.
But, device in above-mentioned patent documentation has only related to the recycle of high-temp waste gas heat in carbon fiber production, the normal temperature waste gas that surface treatment process produces is mentioned, can not solve all sidedly processing problem waste gas produced in the whole production process of carbon fiber; And in the process of its purified treatment high-temp waste gas, the heat in high-temp waste gas has very large loss, therefore lower to the heat recycling efficiency of high-temp waste gas; Secondly, waste gas is carried out to purified treatment with recycling, just inevitably can exist and purify incomplete possibility, purify incomplete gas and enter carbon fibre producing facility, not only can reduce the performance of carbon fiber product, can damage carbon fibre producing facility what is more, cause great economic loss; Moreover, although high-temp waste gas has absorbed the harmful substance in waste gas by the purification of gas purifier, but pernicious gas still exists, waste gas fails to be processed up hill and dale, this just need to carry out after-treatment, greatly increased processing cost, otherwise the direct discharge of these harmful substances will cause great pollution to environment.
Summary of the invention
In view of the above, be necessary to provide a kind of high-temp waste gas heat utilization ratio high, to ambient influnence little and can overall treatment carbon fiber produce in the device of the waste gas that produces.
A carbon fiber process gas integrated treatment use device, comprises body of heater and spray absorber; Described body of heater comprises the inner internal layer for cavity and is arranged on the first heat-insulation layer outside internal layer; Described internal layer is provided with burned waste gas section, one-level heat exchanging segment, secondary heat exchange section and three grades of heat exchanging segments successively; In described one-level heat exchanging segment, secondary heat exchange section and three grades of heat exchanging segments, be respectively provided with independently heat exchange pipeline; In the heat exchange pipeline of described one-level heat exchanging segment, be connected with the waste gas of oxidation furnace generation and process the rear high-temp waste gas producing with burned waste gas section and carry out heat exchange, in the heat exchange pipeline of described secondary heat exchange section, be connected with the required inert gas of retort and process the rear high-temp waste gas producing with burned waste gas section and carry out heat exchange; In the heat exchange pipeline of described three grades of heat exchanging segments, be connected with the required air of oxidation furnace and process the rear high-temp waste gas producing with burned waste gas section and carry out heat exchange; Described one-level heat exchanging segment is also provided with conveyance conduit the waste gas of the oxidation furnace generation after heat exchange is delivered to burned waste gas section; Described three grades of heat exchanging segments are connected with spray absorber; Described spray absorber is produced and is no more than the waste gas of 100 ℃ and carries out neutralisation treatment for the high-temp waste gas after heat exchanging and/or carbon fiber.
Wherein, contained HCN, NH in the waste gas that retort produces
3deng pernicious gas, in described burned waste gas section, burn and generate oxide and produce heat.
Wherein, described body of heater also comprises a skin, and described skin is located at described the first insulation layer surface.
Wherein, described the first heat-insulation layer is comprised of single or multiple lift insulation material.
Wherein, the heat exchange pipeline in described burned waste gas section comprises the first air inlet pipe, the second air inlet pipe and the 3rd air inlet pipe; Described the first air inlet pipe is connected with the exhaust pipe of retort; The 3rd air inlet pipe is connected with described one-level heat exchanging segment.
Retort waste gas in carbon fiber production process enters into described burned waste gas section by described the first air inlet pipe from described retort.Described the second air inlet pipe is for providing oxidizer to described burned waste gas section.Described burned waste gas intersegmental part cavity is for burning and producing high-temp waste gas.The high-temp waste gas producing passes through described one-level heat exchanging segment, described secondary heat exchange section and described three grades of heat exchanging segments successively from described burned waste gas section.
Wherein, the heat exchange pipeline in described one-level heat exchanging segment comprises the 4th air inlet pipe, the first escape pipe and one-level heat exchanger tube; Described one-level heat exchanger tube is located at the inside of described one-level heat exchanging segment, and described one-level heat exchanger tube is connected with the 4th air inlet pipe, the first escape pipe; Described the 4th air inlet pipe is connected with the exhaust pipe of oxidation furnace; Described the first escape pipe is connected with described the 3rd air inlet pipe.
Further, described one-level heat exchanger tube by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending oxidation furnace waste gas and burning, the contact area of increase oxidation furnace waste gas, raising heat utilization ratio.
The waste gas that oxidation furnace produces enters one-level heat exchanger tube through an oxidation furnace exhaust pipe from the 4th air inlet pipe and carries out one-level heat exchange, the waste gas that oxidation furnace after heating produces enters described burned waste gas section from described the first escape pipe through described the 3rd air inlet pipe, the waste gas producing with retort in described burned waste gas section mixes, burns, generation high-temp waste gas.
Wherein, the heat exchange pipeline in described secondary heat exchange section comprises the 5th air inlet pipe, the second escape pipe and secondary heat exchange pipe; Described secondary heat exchange pipe is located at the inside of described secondary heat exchange section, and described secondary heat exchange Guan Yu five air inlet pipe, the second escape pipe are connected; Described the second escape pipe is connected with the inert gas inleting pipe of carbide furnace.
Further, described secondary heat exchange pipe by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending inert gas and burning, the contact area of increase inert gas, raising heat utilization ratio.
The required inert gas of retort enters secondary heat exchange pipe from the 5th air inlet pipe and carries out secondary heat exchange, and the required inert gas of retort after heating enters through the inert gas inleting pipe of described carbide furnace the retort that carbon fiber is produced from described the second escape pipe.
Wherein, the heat exchange pipeline in described three grades of heat exchanging segments comprises the 6th air inlet pipe, the 3rd escape pipe and three grades of heat exchanger tubes; Described three grades of heat exchanger tubes are located at the inside of described three grades of heat exchanging segments, and described three grades of heat exchanger tubes are connected with the 6th air inlet pipe, the 3rd escape pipe; Described the 3rd escape pipe is connected with the air intake duct of oxidation furnace.
Further, described three grades of heat exchanger tubes by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending air and burning, the contact area of increase air, raising heat utilization ratio.
The required air of oxidation furnace enters three grades of heat exchanger tubes from the 6th air inlet pipe and carries out three grades of heat exchanges, and the required air of oxidation furnace after heating enters through the air intake duct of described oxidation furnace the oxidation furnace that carbon fiber is produced from described the 6th air inlet pipe.
Wherein, described spray absorber comprises the 7th air inlet pipe and the 8th air inlet pipe; By described the 7th air inlet pipe, described spray absorber is connected with described three grades of heat-exchange end; The 8th air inlet pipe is connected with the waste gas pipeline that conveying is no more than the waste gas of 100 ℃.
In carbon fiber production process, the waste gas that the waste gas that the normal temperature waste gas that process of surface treatment produces, oxidation furnace stove end produce and retort stove end produce etc. is no more than the waste gas of 100 ℃, all can be entered and in spray absorber, be carried out neutralisation treatment by the 8th air inlet pipe.
Described the 8th air inlet pipe can be provided with one or more.
Waste gas in body of heater enters described spray absorber through described the 7th air inlet pipe.The waste gas that is no more than 100 ℃ in carbon fiber production enters spray absorber through waste gas pipeline from described the 8th air inlet pipe.The high-temp waste gas producing after burning in described burned waste gas section is after three heat exchanges, and its temperature reduces and contains oxide, adopts after alkali lye spray-absorption, can reach industrial discharge requirement, can directly discharge, little on the impact of environment.
Wherein, described spray absorber can be provided with one or more.
Preferably, described spray absorber has two at least, and institute's the 7th air inlet pipe and the 8th air inlet pipe are located at respectively on two spray absorbers.
Wherein, described carbon fiber process gas integrated treatment use device also comprises a chimney, and described chimney is connected with described spray absorber by a delivery pipe.
Wherein, described the first air inlet pipe, described the second air inlet pipe, described the 3rd air inlet pipe, described the 4th air inlet pipe, described the first escape pipe, described the 5th air inlet pipe, described the second escape pipe, described the 6th air inlet pipe and described the 3rd escape pipe are equipped with the second heat-insulation layer outward.
Wherein, described the second heat-insulation layer is made by insulation material.
Wherein, described body of heater, described spray absorber and described chimney are made by high temperature resistant, corrosion resistant material.
Wherein, the flow direction of the required air of the flow direction of the required inert gas of flow direction, the retort of the waste gas that oxidation furnace produces in described one-level heat exchanging segment in described secondary heat exchange section and oxidation furnace in described three grades of heat exchanging segments all with burn after the flow direction of high-temp waste gas in described internal layer be reverse, the efficiency of raising heat exchange.
Adopt carbon fiber process gas integrated treatment use device of the present invention to reach more than 98% the heat utilization ratio of described high-temp waste gas.
Compare prior art, carbon fiber process gas integrated treatment use device of the present invention, solved all sidedly the processing problem of oxidation furnace waste gas, retort waste gas and surface-treated normal temperature waste gas etc. that carbon fiber produces in producing, made carbon fiber process gas after processing reach the regulation of national waste gas emission standard; And, exhaust-gas treatment use device of the present invention, three heat exchanges have been carried out, can farthest utilize the heat in high-temp waste gas, the recycling rate of the heat of high-temp waste gas in carbon fiber is produced is up to 98%, reduce largely whole carbon fiber and produced required energy consumption, thereby also greatly reduced the production cost of carbon fiber; Moreover retort waste gas is processed through burning, the HCN in retort waste gas, NH
3deng pernicious gas, being converted into harmless oxide, not polluting the environment, is a kind of carbon fiber process gas integrated treatment use device of high-efficient energy-saving environment friendly.
Accompanying drawing explanation
Fig. 1 is the carbon fiber process gas integrated treatment use device of preferred embodiment of the present invention.
The specific embodiment
By describing technology contents of the present invention, structural feature in detail, being realized object and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 1, the present invention discloses a kind of carbon fiber process gas integrated treatment use device 100, for the treatment of the waste gas producing in carbon fiber production process, by the HCN containing in waste gas, NH
3deng pernicious gas, remove, and utilize the heat in waste gas, reduce carbon fiber energy consumption, this device 100 comprises body of heater 10 and spray absorber 20.Described body of heater 10 is connected with spray absorber 20, the internal layer 12 that described body of heater 10 comprises is outer 11, inside is a cavity and described outer 11 and described internal layer 12 between the first heat-insulation layer 13.Described internal layer 12 is provided with burned waste gas section 121, one-level heat exchanging segment 122, secondary heat exchange section 123 and three grades of heat exchanging segments 124 successively; In described one-level heat exchanging segment 122, secondary heat exchange section 123 and three grades of heat exchanging segments 124, be respectively provided with independently heat exchange pipeline; In the heat exchange pipeline of described one-level heat exchanging segment 122, be connected with the waste gas of oxidation furnace generation and process the rear high-temp waste gas producing with burned waste gas section 121 and carry out heat exchange, in the heat exchange pipeline of described secondary heat exchange section 123, be connected with the required inert gas of retort and process the rear high-temp waste gas producing with burned waste gas section 121 and carry out heat exchange; In the heat exchange pipeline of described three grades of heat exchanging segments 124, be connected with the required air of oxidation furnace and process the rear high-temp waste gas producing with burned waste gas section 121 and carry out heat exchange; Described one-level heat exchanging segment 122 is also provided with conveyance conduit the waste gas of the oxidation furnace generation after heat exchange is delivered to burned waste gas section 121; Described three grades of heat exchanging segments 124 are connected with spray absorber 20; Described spray absorber 20 is produced and is no more than the waste gas of 100 ℃ and carries out neutralisation treatment for the high-temp waste gas after heat exchanging and/or carbon fiber.
Described the first heat-insulation layer 13 is mainly used in the isolated interior environment of internal layer 12 and internal layer 12 external environments, avoids heat in internal layer 12 to the outer transmission of internal layer 12, a thermal insulation function.Described the first heat-insulation layer 13 can be insulation material and makes.
Heat exchange pipeline in described burned waste gas section 121 comprises the first air inlet pipe 1211, the second air inlet pipe 1212 and the 3rd air inlet pipe 1213.Described the first air inlet pipe 1211 is connected with the exhaust pipe (not shown) of retort, and the 3rd air inlet pipe 1213 is connected with described one-level heat exchanging segment 122.Retort waste gas in carbon fiber production process enters into described burned waste gas section 121 from retort exhaust pipe through described the first air inlet pipe 1211.Described the second air inlet pipe 1212 is for providing to described burned waste gas section 121 oxidizer that makes waste gas burning.Described burned waste gas section 121 internal cavities are for burning and producing high-temp waste gas.The high-temp waste gas producing passes through described one-level heat exchanging segment 122, described secondary heat exchange section 123 and described three grades of heat exchanging segments 124 successively from described burned waste gas section 121.
Heat exchange pipeline in described one-level heat exchanging segment 122 comprises the 4th air inlet pipe 1221, the first escape pipe 1222 and one-level heat exchanger tube 1223.Described one-level heat exchanger tube 1223 is located at the inside of described one-level heat exchanging segment 122, and described one-level heat exchanger tube 1223 is connected with the 4th air inlet pipe 1221, the first escape pipe 1222.Described the 4th air inlet pipe 1221 is connected with the exhaust pipe (not shown) of oxidation furnace; Described the first escape pipe 1222 is connected with described the 3rd air inlet pipe 1213.Oxidation furnace waste gas in carbon fiber production process enters into described one-level heat exchanger tube 1223 by the 4th air inlet pipe 1221, oxidation furnace waste gas after one-level heat exchange enters into described burned waste gas section 121 by described the first escape pipe 1222 from described one-level heat exchanger tube 1223, burning release heat.Described one-level heat exchanger tube 1223 by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending oxidation furnace waste gas and burning, the contact area of increase oxidation furnace waste gas, raising heat utilization ratio.
Heat exchange pipeline in described secondary heat exchange section 123 comprises the 5th air inlet pipe 1231, the second escape pipe 1232 and secondary heat exchange pipe 1233.Described secondary heat exchange pipe 1233 is located at the inside of described secondary heat exchange section 123, and described secondary heat exchange pipe 1233 is connected with the 5th air inlet pipe 1231, the second escape pipe 1232.In carbon fiber production, required inert gas enters into described secondary heat exchange pipe 1233 by described the 5th air inlet pipe 1231.Described the second escape pipe 1232 is connected with the inert gas inleting pipe (not shown) of carbide furnace; For providing retort required inert gas.Described secondary heat exchange pipe 1233 by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending inert gas and burning, the contact area of increase inert gas, raising heat utilization ratio.
Heat exchange pipeline in described three grades of heat exchanging segments 124 comprises the 6th air inlet pipe 1241, the 3rd escape pipe 1242 and three grades of heat exchanger tubes 1243.Described three grades of heat exchanger tubes 1243 are located at the inside of described three grades of heat exchanging segments 124, and described three grades of heat exchanger tubes 1243 are connected with the 6th air inlet pipe 1241, the 3rd escape pipe 1242.In carbon fiber production, the required air of oxidation furnace enters into described three grades of heat exchanger tubes 1243 by described the 6th air inlet pipe 1241.Described the 3rd escape pipe 1242 is connected with the air intake duct (not shown) of oxidation furnace; For providing oxidation furnace required air.Described three grades of heat exchanger tubes 1243 by a pipeline repeatedly tortuous revolution form; Or be formed by connecting by many pipelines perforations, so that the heat exchanger time of the high-temp waste gas after extending air and burning, the contact area of increase air, raising heat utilization ratio.
Described spray absorber 20 carries out neutralisation treatment for the normal temperature waste gas of the high-temp waste gas after heat exchanging and/or carbon fiber production surface treatment generation.Described spray absorber 20 comprises the 7th air inlet pipe 21 and the 8th air inlet pipe 22.By described the 7th air inlet pipe 21, described spray absorber 20 is connected with described three grades of heat-exchange end 124; The 8th air inlet pipe 22 is connected with the waste gas pipeline that conveying is no more than the waste gas of 100 ℃.Waste gas in body of heater 10 enters described spray absorber 20 through described the 7th air inlet pipe 21.The normal temperature waste gas that in carbon fiber production, process of surface treatment produces is, the waste gas that the waste gas that oxidation furnace stove end produces and/or retort stove end produce enters spray absorber 20 through described the 8th air inlet pipe 22.Described the 8th air inlet pipe 22 can be provided with one or more, and the waste gas pipeline of the normal temperature waste gas that can produce with process of surface treatment respectively, the waste gas pipeline of the waste gas that oxidation furnace stove end produces and/or the waste gas pipeline of the waste gas that retort stove end produces are connected.Spray absorber 20 can be provided with one or more.In the present embodiment, be provided with two described spray absorbers 20.The high-temp waste gas producing after burning in described burned waste gas section 121 is after three heat exchanges, and its temperature reduces and contains oxide, adopts after alkali lye spray-absorption in the present invention, can reach industrial discharge requirement, can directly discharge, little on the impact of environment.
The flow direction of the required air of the flow direction of the required inert gas of flow direction, the retort of the waste gas that aforesaid oxidation furnace produces in one-level heat exchanger tube 1223 in secondary heat exchange pipe 1233 and oxidation furnace in three grades of heat exchanger tubes 1243 all with burn after the flow direction of high-temp waste gas in described internal layer 12 be reverse, the efficiency of raising heat exchange.
Further, described carbon fiber process gas integrated treatment use device 100 also comprises chimney 30.Described chimney 30 is for being directly discharged into environment by the waste gas after processing.Described chimney 30 one end are connected with described spray absorber 20 by a delivery pipe 31.
In the present invention, in carbon fiber process gas integrated treatment use device 100, outside described the first air inlet pipe 1211, described the second air inlet pipe 1212, described the 3rd air inlet pipe 1213, described the 4th air inlet pipe 1221, described the first escape pipe 1222, described the 5th air inlet pipe 1231, described the second escape pipe 1232, described the 6th air inlet pipe 1241 and described the 3rd escape pipe 1242, be equipped with one second heat-insulation layer.
Wherein, described the second heat-insulation layer is made by insulation material.
In carbon fiber production process, the waste gas that retort produces enters described burned waste gas section 121 by described the first air inlet pipe 1211, air enters described burned waste gas section 121 by described the second air inlet pipe 1212, waste gas and air burning that retort produces, remove the HCN, the NH that in the waste gas of retort generation, contain
3deng pernicious gas and produce high-temp waste gas.The waste gas producing in oxidation furnace production process enters described one-level heat exchanger tube 1223 through described the 4th air inlet pipe 1221, the high-temp waste gas producing is from described burned waste gas section 121 to described one-level heat exchanging segment 122, and carries out one-level heat exchange with the waste gas that oxidation furnace in described one-level heat exchanger tube 1223 produces.The waste gas that oxidation furnace after described one-level heat exchange produces enters described burned waste gas section 121 by the first escape pipe 1222, and produces high-temp waste gas with the waste gas mixed combustion that retort in described burned waste gas section 121 produces.The secondary heat exchange section 123 of flowing through again after the heat exchange of high-temp waste gas one-level, the inert gas required with retort carries out secondary heat exchange, and the inert gas after heating enters retort by described the second escape pipe 1232.Similarly, the three grades of heat exchanging segments 124 of flowing through again after secondary heat exchange section 123 of the high-temp waste gas after secondary heat exchange, the air required with oxidation furnace carries out three grades of heat exchanges, and the required air of oxidation furnace after heating enters oxidation furnace by described the 3rd escape pipe 1242.The heat utilization ratio that carries out successively described one-level, secondary, the three grades of heat exchanges high-temp waste gas after to burning is high.EGT after three grades of heat exchanges reduces, by the oxide in spray absorber 20 alkali lye and in waste gas the further temperature that reduces waste gas.The waste gas that the waste gas that the normal temperature waste gas that surface treatment step in carbon fiber production process produces, oxidation furnace stove end produce and/or retort stove end produce is also entered in described spray absorber 20 and is carried out alkali lye neutralisation treatment by described the 8th air inlet pipe 22.Waste gas after spray absorber 20 is processed can directly discharge to external environment by chimney 30.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a carbon fiber process gas integrated treatment use device, comprises body of heater (10) and spray absorber (20); Described body of heater (10) comprises inside for the internal layer of cavity (12) and is arranged on the first heat-insulation layer (13) outside internal layer, it is characterized in that: described internal layer (12) is provided with burned waste gas section (121), one-level heat exchanging segment (122), secondary heat exchange section (123) and three grades of heat exchanging segments (124) successively; In described one-level heat exchanging segment (122), secondary heat exchange section (123) and three grades of heat exchanging segments (124), be respectively provided with independently heat exchange pipeline; In the heat exchange pipeline of described one-level heat exchanging segment (122), be connected with the waste gas of oxidation furnace generation and process the rear high-temp waste gas producing with burned waste gas section (121) and carry out heat exchange, in the heat exchange pipeline of described secondary heat exchange section (123), be connected with the required inert gas of retort and process the rear high-temp waste gas producing with burned waste gas section (121) and carry out heat exchange; In the heat exchange pipeline of described three grades of heat exchanging segments (124), be connected with the required air of oxidation furnace and process the rear high-temp waste gas producing with burned waste gas section (121) and carry out heat exchange; Described one-level heat exchanging segment (122) is also provided with conveyance conduit the waste gas of the oxidation furnace generation after heat exchange is delivered to burned waste gas section (121); Described three grades of heat exchanging segments (124) are connected with spray absorber (20); Described spray absorber (20) is produced and is no more than the waste gas of 100 ℃ and carries out neutralisation treatment for the high-temp waste gas after heat exchanging and/or carbon fiber.
2. carbon fiber process gas integrated treatment use device as claimed in claim 1, is characterized in that: described the first heat-insulation layer (13) is comprised of single or multiple lift insulation material.
3. carbon fiber process gas integrated treatment use device as claimed in claim 1, is characterized in that: described body of heater (10) also comprises a skin (11), and described skin (11) is located at described the first heat-insulation layer (13) surface.
4. carbon fiber process gas integrated treatment use device as described in any one claim in claim 1-3, is characterized in that: the heat exchange pipeline in described burned waste gas section (121) comprises the first air inlet pipe (1211), the second air inlet pipe (1212) and the 3rd air inlet pipe (1213); Described the first air inlet pipe (1211) is connected with the exhaust pipe of retort; The 3rd air inlet pipe (1213) is connected with described one-level heat exchanging segment (122).
5. carbon fiber process gas integrated treatment use device as claimed in claim 4, is characterized in that: the heat exchange pipeline in described one-level heat exchanging segment (122) comprises the 4th air inlet pipe (1221), the first escape pipe (1222) and one-level heat exchanger tube (1223); Described one-level heat exchanger tube (1223) is located at the inside of described one-level heat exchanging segment (122), and described one-level heat exchanger tube (1223) is connected with the 4th air inlet pipe (1221), the first escape pipe (1222); Described the 4th air inlet pipe (1221) is connected with the exhaust pipe of oxidation furnace; Described the first escape pipe (1222) is connected with described the 3rd air inlet pipe (1213).
6. carbon fiber process gas integrated treatment use device as described in any one claim in claim 1-3, is characterized in that: the heat exchange pipeline in described secondary heat exchange section (123) comprises the 5th air inlet pipe (1231), the second escape pipe (1232) and secondary heat exchange pipe (1233); Described secondary heat exchange pipe (1233) is located at the inside of described secondary heat exchange section (123), and described secondary heat exchange pipe (1233) is connected with the 5th air inlet pipe (1231), the second escape pipe (1232); Described the second escape pipe (1232) is connected with the inert gas inleting pipe of carbide furnace.
7. carbon fiber process gas integrated treatment use device as described in any one claim in claim 1-3, is characterized in that: the heat exchange pipeline in described three grades of heat exchanging segments (124) comprises the 6th air inlet pipe (1241), the 3rd escape pipe (1242) and three grades of heat exchanger tubes (1243); Described three grades of heat exchanger tubes (1243) are located at the inside of described three grades of heat exchanging segments (124), and described three grades of heat exchanger tubes (1243) are connected with the 6th air inlet pipe (1241), the 3rd escape pipe (1242); Described the 3rd escape pipe (1242) is connected with the air intake duct of oxidation furnace.
8. carbon fiber process gas integrated treatment use device as described in any one claim in claim 1-3, is characterized in that: described spray absorber (20) comprises the 7th air inlet pipe (21) and the 8th air inlet pipe (22); By described the 7th air inlet pipe (21), described spray absorber (20) is connected with described three grades of heat-exchange end (124); The 8th air inlet pipe (22) is connected with the waste gas pipeline that conveying is no more than the waste gas of 100 ℃.
9. carbon fiber process gas integrated treatment use device as described in any one claim in claim 1-3, it is characterized in that: described carbon fiber process gas integrated treatment use device (100) also comprises a chimney (30), described chimney (30) is connected with described spray absorber (20) by a delivery pipe (31).
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| CN108261902B (en) * | 2017-01-04 | 2023-12-01 | 恩国环保科技（上海）有限公司 | Carbonization furnace tail gas treatment device and treatment method |
| CN107164844A (en) * | 2017-06-07 | 2017-09-15 | 广州赛奥碳纤维技术有限公司 | A kind of high-efficiency carbon fibre low temperature carbonization furnace waste discharge pipe-line system |
| CN113048494A (en) * | 2021-03-17 | 2021-06-29 | 浙江精功科技股份有限公司 | Carbon fiber carbonization production line exhaust purification handles and waste heat recovery utilizes system |
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| JP2004052128A (en) * | 2002-07-17 | 2004-02-19 | Toray Ind Inc | Horizontal type heat-treating furnace |
| CN201024244Y (en) * | 2007-04-12 | 2008-02-20 | 济南发尔博科技有限公司 | High temperature furnace for carbon fiber production |
| CN101070643A (en) * | 2007-05-29 | 2007-11-14 | 肖颖 | Efficient energy-saving device of heating-gas circulation use for producing carbon fiber |
| CN101310825A (en) * | 2008-02-18 | 2008-11-26 | 马军 | Organic gas withdrawal processing technique and device thereof |
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