CN206176410U - Alcohol takes off water vapor heating system - Google Patents

Alcohol takes off water vapor heating system Download PDF

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Publication number
CN206176410U
CN206176410U CN201621057757.5U CN201621057757U CN206176410U CN 206176410 U CN206176410 U CN 206176410U CN 201621057757 U CN201621057757 U CN 201621057757U CN 206176410 U CN206176410 U CN 206176410U
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CN
China
Prior art keywords
steam
heating
pipe
air
ethanol
Prior art date
Application number
CN201621057757.5U
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Chinese (zh)
Inventor
孙明华
王建平
王兆民
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江苏金牛环保工程设备有限公司
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Priority to CN201621057757.5U priority Critical patent/CN206176410U/en
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Publication of CN206176410U publication Critical patent/CN206176410U/en

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    • Y02E20/363

Abstract

The utility model provides an alcohol takes off water vapor heating system, including the ethylene oxide heating furnace, useless ethanol jar, useless steam buffer tank, technology water heater, smoke exhaust fan, air heater and chimney, the heat exchanger of flue top is connected to the technology steam conduit, the radiation heater joining technology steam outputting pipe way, useless ethanol jar is connected through useless ethanol pipeline to useless ethanol, waste liquid gun is connected through useless ethanol pipeline to useless ethanol jar, waste liquid gun sets up in the waste liquid gun import, the natural gas passes through natural gas line and connects the combustor, the combustor sets up in the combustor import, the flue top sets up smoke exhaust fan, smoke exhaust fan passes through exhaust pipe and connects air heater, air heater passes through exhaust pipe and connects the chimney, it says and is connected circulation air supplement device to establish a circulation secondary air channel on the exhaust pipe between smoke exhaust fan and the air heater in addition, hollow pre -heater is equipped with a retrieval and utilization pipe connection spent steam mixed distribution ware in addition.

Description

A kind of dehydration of alcohol steam-heating system

Technical field

The utility model is related to the heating system that ethanol dehydration reaction device in oxirane project provides thermal source.

Background technology

Heating system will ensure that the heat for providing can meet the requirement of device production, while waste gas, waste liquid are at burning Harmless material is changed into after reason, air is directly discharged into;System design and manufacture principle should meet following requirement:

(1)The decree of government concerned is conscientiously implemented, strict implement country is each about environmental protection, safety in production and industrial hygiene Item decree regulation, must reach country's correspondingly discharge standard after offal treatment.

(2)Advanced reliable, economical rationality is required on technology and equipment;Reduce operating cost, focus on Matter Transfer using and The recovery of energy, the recycling economy of paying attention to construction project and energy-saving and emission-reduction and organic balanced with social benefit.

(3)Factory and public work facility are made full use of, with investment reduction, Accelerating The Construction progress.

The technological difficulties of heating system:

(1)The outlet temperature of steam heater will reach 625 DEG C, and tube fluid is gas, can cause the wall temperature of heat exchanger tube It is too high, reduce the service life of equipment;

(2)Steam inlet temperature is 300 DEG C, makes exhaust gas temperature too high, reduces heat transfer efficiency, how to reduce smoke evacuation temperature Degree, reduces operating cost.

The content of the invention

The utility model is directed to the deficiencies in the prior art, there is provided a kind of heat transference efficiency is high, long service life, effectively drop Low exhaust gas temperature, reduces the oxirane heating system of operating cost.

To realize the utility model purpose, there is provided technical scheme below:A kind of dehydration of alcohol steam-heating system, it is special Levy is to include oxirane heating furnace, waste ethanol tank, exhaust steam surge tank, technique water heater, smoke exhaust fan, air preheat Device and chimney, oxirane heating furnace includes horizontal body of heater, and body of heater is divided into the radiant heating in the combustion chamber of leading portion, stage casing Room and the Convective Heating room of back segment, with radiant heating room with Characteristics of Porous Heat-storage Wall separation, radiant heating is provided with room for combustion chamber Pharoid, is equipped with steam import and export on pharoid, Convective Heating ceiling end is provided with flue straight up, cigarette Road is arranged at intervals with up and down several heat exchangers, and several heat exchangers are sequentially concatenated by jet chimney, the heat exchanger of lowermost end Pharoid is connected by jet chimney, chamber front end is provided with combustor import, and sidewall of combustion chamber front end is provided with Waste liquid rifle import, exhaust steam import and circulation air compensation device, exhaust steam import is provided with exhaust steam mixed distribution device, exhaust steam Exhaust steam surge tank is connected by exhaust steam pipeline, exhaust steam surge tank connects waste vapour mixed distribution device by exhaust steam pipeline, Process steam pipeline connects the heat exchanger of flue top, and pharoid Joining Technology steam output pipe, waste ethanol passes through Waste ethanol conveyance conduit connects waste ethanol tank, and waste ethanol tank connects waste liquid rifle by waste ethanol conveyance conduit, and waste liquid rifle is arranged at In waste liquid rifle import, natural gas connects combustor by natural gas line, and combustor is arranged in combustor import, and flue is most pushed up End arranges smoke exhaust fan, and smoke exhaust fan connects air preheater by smoke discharging pipe, and air preheater is connected by smoke discharging pipe Chimney, separately sets circulation secondary air channel road connection circulation air compensation device on the smoke discharging pipe between smoke exhaust fan and air preheater, Hollow preheater is additionally provided with the first reuse pipeline connection waste vapour mixed distribution device, the second reuse pipeline connection combustor.

Preferably, air preheater is connected with combustion fan, oxygenating blower fan.

Preferably, circulation air compensation device include around sidewall of combustion chamber and be tightly connected therewith hot air circulating pipe, The hot blast air inlet pipe tangentially-arranged with hot air circulating pipe, opens on the sidewall of combustion chamber in hot air circulating pipe around the center of circle It is provided with tonifying Qi hole, tonifying Qi hole and combustion chamber.

Preferably, exhaust steam mixed distribution device includes vertical cylinder and the tangentially connected hot wind inlet of vertical cylinder, sets The exhaust steam inlet pipe of vertical body centre is placed in, exhaust steam inlet pipe stretches into the nearly bottom of vertical cylinder, and exhaust steam enters pipe end and surrounds The center of circle is uniformly laid with some pieces of fan-shaped prerotation vanes.

Preferably, tonifying Qi hole inclines open up, with vertical direction angle of inclination for 15 degree and along the rotation of the combustion chamber center of circle 62.5 degree.

Preferably, the expanded angle of fan-shaped prerotation vane is 60 degree, per block, sector prerotation vane turns clockwise 26 degree of peaces Dress.

Preferably, pharoid adopts U-tube heat exchanger, U-tube heat exchanger to include the U-tube in radiant heating room Beam and the top bobbin carriage with U-tube Shu Liantong, offer steam inlet and steam (vapor) outlet, steam inlet and lowermost end on bobbin carriage Heat exchanger connection, steam (vapor) outlet Joining Technology steam output pipe.

Preferably, U-tube beam lower section is provided with the water conservancy diversion plate washer for making flue gas pass through from U-tube interfascicular.

Preferably, be provided with control valve group on the natural gas line before combustor, control valve group includes regulating valve, urgent Stop valve, spark arrester.

Preferably, being provided with control valve group on the exhaust steam pipeline before exhaust steam mixed distribution device, control valve group includes Regulating valve, quick action emergency valve, spark arrester.

The utility model beneficial effect:(1)According to heat balance, plus the heat that vapours needs, in order to reach heating mesh , design and take the method for strengthening convection heat transfer' heat-transfer by convection to ensure total heat transfer efficiency, reduce discharging the flue-gas temperature of convection section, adopting Exhaust gas temperature can be reduced to 260 DEG C from 400 DEG C with after new convection apparatus, reduce fuel quantity 5%;

(2)In order to effectively control ignition temperature, furnace temperature is adjusted using adjusting oxygenating air in systems, can be with In the case where comburant (-rent) is not reduced, the purpose of control ignition temperature is reached by adjusting oxygenating air capacity, do not reducing total biography In the case of the thermal efficiency, ignition temperature can be efficiently controlled;

(3)The work of combustor and efficiency of combustion can be affected in cryogenic conditions, so devise being helped using flue gas heating The scheme of combustion air, one can ensure that combustor normally runs in winter, its two consumption that can also save fuel;Using heat Air-breathing and employing provide the temperature of oxygenating air and can save more than 10% fuel.

Measure by more than, total energy-conservation can reach 15 ~ 17%.

(4)The burning of waste ethanol, adopts two-fluid Waste liquid atomization device in design, can be effectively thorough by liquid waste incineration, The damage destructive rate of discarded object can reach 99.99%.

Description of the drawings

Fig. 1 is system schematic of the present utility model.

Fig. 2 is the top view of Fig. 1 ethylene oxide heating furnaces.

Fig. 3 is the A-A sectional views of Fig. 2.

Fig. 4 is the B-B sectional views of Fig. 2.

Fig. 5 is the left view of Fig. 3.

Fig. 6 is exhaust mixer front view in Fig. 2.

Fig. 7 is the top view of Fig. 6.

Fig. 8 is the upward view of Fig. 6.

Fig. 9 is the fan-shaped prerotation vane schematic diagram of Fig. 6.

Figure 10 is the partial enlarged drawing of Fig. 6.

Figure 11 is flue connecting tube schematic diagram.

Figure 12 is Fig. 3 middle steam tubes road schematic diagram.

Specific embodiment

Embodiment 1:A kind of dehydration of alcohol steam-heating system, including oxirane heating furnace 1, waste ethanol tank 10, useless steaming Vapour surge tank 11, technique water heater 12, smoke exhaust fan 13, air preheater 14 and chimney 15, oxirane heating furnace 1 according to The radiant heating room 1.2 of the secondary combustion chamber 1.1, stage casing for being divided into leading portion and the Convective Heating room 1.3 of back segment, combustion chamber 1.1 is Horizontal circular straight tube, the material of combustion chamber 1.1 is poured into a mould and formed by the metal shell and internal diamond spar material of outside Q235B, and radiation adds Hot cell 1.2 and the material of Convective Heating room 1.3 are combined by outside Q235B metal shells and inner ceramic cellucotton block. The nearly rear end in combustion chamber 1.1 is provided with two bulge loop 1.1.1, and bulge loop 1.1.1 is made up of refractory material, makes the rear end shape of combustion chamber 1.1 Into pantographic structure.Combustion chamber 1.1 is separated with radiant heating room 1.2 with ceramic material Characteristics of Porous Heat-storage Wall 1.4, radiant heating room 1.2 Pharoid 2 is inside provided with, pharoid 2 adopts U-tube heat exchanger, U-tube heat exchanger to include in radiant heating room 1.2 U-tube beam 2.1 and the top bobbin carriage 2.2 that connects with U-tube beam 2.1, offer on bobbin carriage 2.2 steam inlet 2.2.1 and Steam (vapor) outlet 2.2.2, the top of Convective Heating room 1.3 is provided with flue 3 straight up, flue 3 by A, B, C, D, 4 layers splicing and Into being provided with a heat exchanger 4 on every layer of flue 3.The heat exchanger 4 in the material 316 of heat exchanger 4, B layers flue 3 on A layers flue 3 The material 304 of heat exchanger 4 in the material 304 of heat exchanger 4, D layers flue 3 on material 321, C layers flue 3, between upper and lower two-layer flue 3 It is provided with flue connecting tube 5, flue connecting tube 5 includes expansion joint 5.2 on cylinder 5.1, cylinder 5.1, the inner side of expansion joint 5.2 Liner plate 5.3 and ceramic fibre liner 5.4.4 heat exchangers 4 are sequentially concatenated by jet chimney 6, the steam inlet of bobbin carriage 2.2 2.2.1 it is connected with the heat exchanger 4 of lowermost end.The front end of combustion chamber 1.1 is provided with combustor import 1.1.2, and the side wall of combustion chamber 1.1 is near Front end is provided with waste liquid rifle import, exhaust steam import 1.1.3, flame observation port, instrument insert port(Temperature detection mouth, negative pressure inspection Survey mouth)And circulation air compensation device 7, the position that air compensation device 7 is distributed in the front end of combustion chamber 1.1 1500mm backward is circulated, circulation Hot air circulating pipe 7.1 and hot air circulating pipe that air compensation device 7 includes around the side wall of combustion chamber 1.1 and is tightly connected therewith 7.1 tangentially-arranged hot blast air inlet pipe 7.2, open up on the side wall of combustion chamber 1.1 in hot air circulating pipe 7.1 around the center of circle There is tonifying Qi hole 7.3, tonifying Qi hole 7.3 inclines and opens up, with vertical direction angle of inclination for 15 degree and along the rotation of the center of circle of combustion chamber 1.1 62.5 degree, tonifying Qi hole 7.3 connects with combustion chamber 1.1.Exhaust steam import 1.1.3 is arranged at the rear side of circulation air compensation device 7 and arranges There is exhaust steam mixed distribution device 8, exhaust steam mixed distribution device 8 includes vertical cylinder 8.1 and vertically cylinder 8.1 is tangentially connected Hot wind inlet 8.2, the exhaust steam inlet pipe 8.3 for being arranged at the center of vertical cylinder 8.1, exhaust steam inlet pipe 8.3 stretches into vertical cylinder 8.1 Nearly bottom, the end of exhaust steam inlet pipe 8.3 is uniformly laid with 8 pieces of fan-shaped prerotation vanes 8.4 around the center of circle.The exhibition of fan-shaped prerotation vane 8.4 Angle of release degree is 60 degree, and per block, sector prerotation vane 8.1 turns clockwise 26 degree of installations.The lower section of U-tube beam 2.1 is provided with and makes flue gas From the water conservancy diversion plate washer 9 passed through between U-tube beam 2.1.The end bottom of Convective Heating room 1.3 is provided with the runner baffle plate for inclining 35 ° 1.3.1.Jet chimney 6 is bend pipe structure, and expansion joint 6.1 is provided with body.Exhaust steam is useless by the connection of exhaust steam pipeline 16 Steam buffer tank 11, exhaust steam surge tank 11 connects waste vapour mixed distribution device 8, process steam pipeline 17 by exhaust steam pipeline 16 Heat exchanger 4 on the D layers flue 3 of the connection top of flue 3, steam (vapor) outlet 2.2.2 Joining Technologies steam output pipe 18, second of giving up Alcohol connects waste ethanol tank 10 by waste ethanol conveyance conduit 19, and waste ethanol tank 10 connects waste liquid rifle by waste ethanol conveyance conduit 19 20, waste liquid rifle 20 is arranged in waste liquid rifle import, and natural gas connects combustor 22 by natural gas line 21, and combustor 22 is arranged In combustor import 1.1.2, the top of flue 3 arranges smoke exhaust fan 13, and smoke exhaust fan 13 connects sky by smoke discharging pipe 23 Air preheater 14, air preheater 14 connects chimney 15 by smoke discharging pipe 23, between smoke exhaust fan 13 and air preheater 14 Smoke discharging pipe 23 on separately set the connection of a circulation secondary air channel road 24 circulation air compensation device 7, be provided with cigarette on circulation secondary air channel road 24 Gas circulating fan 29, hollow preheater 14 is additionally provided with the connection waste vapour mixed distribution of the first reuse pipeline 25 device 8, the second reuse pipeline 30 connection combustors 22.Air preheater 14 is connected with combustion fan 26, oxygenating blower fan 27.Natural gas line before combustor 22 Control valve group 28 is provided with 21, control valve group 28 includes regulating valve, quick action emergency valve, spark arrester.Exhaust steam mixed distribution device 8 Control valve group 28 is provided with front exhaust steam pipeline 8.3, control valve group 28 includes regulating valve, quick action emergency valve, spark arrester.

Natural gas is lighted by Pipeline transport to burner, igniting by burner automatic ignition system, delays in-furnace temperature Slow to raise, when the furnace temperature display instrument on switch board shows 900 DEG C, the oxygenating air of normal temperature sends into oxirane by oxygenating blower fan Heating furnace, the waste gas come from ethanol dehydration plus hot knock-out pot is after surge tank voltage stabilizing by the regulating valve on pipeline, promptly cut Disconnected valve, spark arrester, feeding waste vapour mixed distribution device tangentially directly introduce body of heater after mixing with oxygenating air by nozzle.Ethanol feeds The waste liquid that vaporizer comes enters waste liquid tank, is conveyed by waste drains pump, and regulating valve, urgent must be provided with before Pipeline transport to combustion chamber Stop valve, spark arrester, using two-fluid Waste liquid atomization device nozzle, entered in combustion furnace by after nitrogen atomization.Waste gas, waste liquid are in stove Inside it is heated to more than 1100 DEG C to be thermally decomposed, the damage destructive rate of discarded object can reach 99.99%.

In-furnace temperature is adjusted by controlling amount of circulating gas.High-temperature flue gas are passed through again first by pharoid 2 The heat exchanger of Convective Heating room 1.3 exchanges heat with water vapour, and temperature drops to 400 DEG C or so and enters soft water heater, after heating soft water 260 DEG C of parts of flue gas cool-down have circulating fan to cut combustion chamber leading portion, continue to cool to 260 DEG C or so rear air inlets and change Hot device, heat exchanger enters burning by combustion fan, oxygenating blower air and flue gas heat exchange, combustion-supporting hot-air with oxygenating hot-air Device and combustion chamber, cool to 180 DEG C or so Jing smoke exhaust fans pressurizations and enter air after air heat exchanger.

Process steam is passed through and flue gas heat radiation and heat convection, is heated to 625 DEG C and is left heater, for dehydration Device is used, and process steam outlet temperature is controlled by adjusting fuel tolerance.After soft water is heated to 185 DEG C from 165 DEG C Supply user, combustion air is heated to more than 150 DEG C supplied burners and is directly entered heating furnace as the benefit of castoff burning Fill oxygen and use.

Claims (10)

1. a kind of dehydration of alcohol steam-heating system, it is characterised in that delay including oxirane heating furnace, waste ethanol tank, exhaust steam Tank, technique water heater, smoke exhaust fan, air preheater and chimney are rushed, oxirane heating furnace includes horizontal body of heater, body of heater It is divided into the Convective Heating room of the combustion chamber of leading portion, the radiant heating room in stage casing and back segment, combustion chamber and radiant heating room With Characteristics of Porous Heat-storage Wall separation, pharoid is provided with radiant heating room, steam import and export is equipped with pharoid, it is right Stream heating chamber top is provided with flue straight up, and flue is arranged at intervals with up and down several heat exchangers, several heat exchangers Sequentially concatenated by jet chimney, the heat exchanger of lowermost end connects pharoid by jet chimney, and chamber front end is arranged There is combustor import, sidewall of combustion chamber front end is provided with waste liquid rifle import, exhaust steam import and circulation air compensation device, gives up and steam Vapor inlet is provided with exhaust steam mixed distribution device, and exhaust steam connects exhaust steam surge tank, exhaust steam buffering by exhaust steam pipeline Tank connects waste vapour mixed distribution device by exhaust steam pipeline, and process steam pipeline connects the heat exchanger of flue top, and radiation adds Hot device Joining Technology steam output pipe, waste ethanol connects waste ethanol tank by waste ethanol conveyance conduit, and waste ethanol tank is by useless Ethanol conveyance conduit connects waste liquid rifle, and waste liquid rifle is arranged in waste liquid rifle import, and natural gas is burnt by natural gas line connection Machine, combustor is arranged in combustor import, and flue top arranges smoke exhaust fan, and smoke exhaust fan is empty by smoke discharging pipe connection Air preheater, air preheater connects chimney by smoke discharging pipe, on the smoke discharging pipe between smoke exhaust fan and air preheater Circulation secondary air channel road connection circulation air compensation device is separately set, hollow preheater is additionally provided with the connection waste vapour mixing point of the first reuse pipeline Cloth device, the second reuse pipeline connection combustor.
2. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that air preheater is connected with Combustion fan, oxygenating blower fan.
3. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that circulation air compensation device includes The tangentially-arranged hot blast air inlet of the hot air circulating pipe and hot air circulating pipe that are tightly connected around sidewall of combustion chamber and therewith Pipe, tonifying Qi hole, tonifying Qi hole and combustion chamber are offered on the sidewall of combustion chamber in hot air circulating pipe around the center of circle.
4. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that exhaust steam mixed distribution device Including vertical cylinder and vertically the tangentially connected hot wind inlet of cylinder, be arranged at the exhaust steam inlet pipe of vertical body centre, give up and steam Vapour inlet pipe stretches into the nearly bottom of vertical cylinder, and exhaust steam enters pipe end and is uniformly laid with some pieces of fan-shaped prerotation vanes around the center of circle.
5. a kind of dehydration of alcohol steam-heating system according to claim 3, it is characterised in that tonifying Qi hole inclines and opens up, with Vertical direction angle of inclination is 15 degree and rotates 62.5 degree along the combustion chamber center of circle.
6. a kind of dehydration of alcohol steam-heating system according to claim 4, it is characterised in that the expansion of fan-shaped prerotation vane Angle is 60 degree, and per block, sector prerotation vane turns clockwise 26 degree of installations.
7. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that pharoid is using U-shaped Heat exchange of heat pipe, U-tube heat exchanger includes U-tube beam and the top bobbin carriage with U-tube Shu Liantong in radiant heating room, bobbin carriage On offer steam inlet and steam (vapor) outlet, steam inlet is connected with the heat exchanger of lowermost end, steam (vapor) outlet Joining Technology steam Output channel.
8. a kind of dehydration of alcohol steam-heating system according to claim 7, it is characterised in that U-tube beam lower section is provided with The water conservancy diversion plate washer for making flue gas pass through from U-tube interfascicular.
9. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that the natural gas before combustor Control valve group is provided with pipeline, control valve group includes regulating valve, quick action emergency valve, spark arrester.
10. a kind of dehydration of alcohol steam-heating system according to claim 1, it is characterised in that exhaust steam mixed distribution device Control valve group is provided with front exhaust steam pipeline, control valve group includes regulating valve, quick action emergency valve, spark arrester.
CN201621057757.5U 2016-09-18 2016-09-18 Alcohol takes off water vapor heating system CN206176410U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621057757.5U CN206176410U (en) 2016-09-18 2016-09-18 Alcohol takes off water vapor heating system

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Application Number Priority Date Filing Date Title
CN201621057757.5U CN206176410U (en) 2016-09-18 2016-09-18 Alcohol takes off water vapor heating system

Publications (1)

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CN206176410U true CN206176410U (en) 2017-05-17

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CN201621057757.5U CN206176410U (en) 2016-09-18 2016-09-18 Alcohol takes off water vapor heating system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439860A (en) * 2016-09-18 2017-02-22 江苏金牛环保工程设备有限公司 Alcohol dehydration steam heating system
CN108662606A (en) * 2018-05-04 2018-10-16 南通劲凌智能科技有限公司 A kind of water heating system based on multistage combustion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439860A (en) * 2016-09-18 2017-02-22 江苏金牛环保工程设备有限公司 Alcohol dehydration steam heating system
CN106439860B (en) * 2016-09-18 2018-08-31 江苏金牛环保工程设备有限公司 A kind of dehydration of alcohol steam-heating system
CN108662606A (en) * 2018-05-04 2018-10-16 南通劲凌智能科技有限公司 A kind of water heating system based on multistage combustion

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GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Sun Minghua

Inventor after: Shang Wenjun

Inventor after: Wang Zhaomin

Inventor before: Sun Minghua

Inventor before: Wang Jianping

Inventor before: Wang Zhaomin

CB03 Change of inventor or designer information