CN101549857A - Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat - Google Patents
Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat Download PDFInfo
- Publication number
- CN101549857A CN101549857A CNA2009100435055A CN200910043505A CN101549857A CN 101549857 A CN101549857 A CN 101549857A CN A2009100435055 A CNA2009100435055 A CN A2009100435055A CN 200910043505 A CN200910043505 A CN 200910043505A CN 101549857 A CN101549857 A CN 101549857A
- Authority
- CN
- China
- Prior art keywords
- hydrogen chloride
- alkali
- tube
- spissated
- hydrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention relates to a production method and a device for condensing alkali and synthesising hydrogen chloride by residual heat. The method is a method for condensing alkali and synthesising hydrogen chloride by residual heat and comprises the steps of using liquid alkali as heat exchange medium to cool hydrogen chloride gas, condensing the hydrogen chloride while cooling the liquid alkali, and additionally producing steam. The device provides two synthetic furnaces including a jacketed synthetic furnace and an evaporation box synthetic furnace, which are provided with certain space on the fluid level of the liquid alkali so as to favourably evaporate water to form steam and demisters so as to reduce the alkali fog in low-pressure steam. The apparatuses in contact with the liquid alkali are made of stainless steel and the apparatuses in contact with the hydrogen chloride gas are made from carbon steel so as to meet the requirements of different media on the apparatuses. The invention makes use of the heat of hydrogen chloride synthetic reaction furthest, effectively uses heat resource, combines a hydrogen chloride cooling step with a liquid alkali condensing step, which are singly performed in prior art, and synchronously performs the two steps so as to save energy source.
Description
Technical field
The present invention relates to a kind of production method and equipment of chemical industry for making chlorine and alkali product, particularly a kind of hydrogenchloride is synthetic, the spissated production method of alkali and device.
Background technology
In suitability for industrialized production, hydrogenchloride synthesizes in hydrogen chloride synthetic furnace and carries out.In the hydrogenchloride production process, must cool off the synthetic hydrogen chloride gas.Hydrogen chloride gas heat-eliminating medium of the prior art is generally water, institute's output be low-pressure steam or hot water, the heat that water coolant is taken away fails to make full use of.Technological innovation is at present usually carried out around how to improve the type of furnace, and the hydrogenchloride of chlor-alkali production device is synthetic generally all to be to adopt the two-in-one steam of graphite (or hot water) synthetic furnace, and utilizes the attached product low-pressure steam of hydrogenchloride synthetic waste heat (or hot water).
On the other hand, the chlor-alkali production device is attached producing chlorine and hydrogen when producing liquid caustic soda (hereinafter to be referred as liquid caustic soda), and chlorine and hydrogen are to produce the required raw material of hydrogenchloride.The liquid caustic soda that the chlor-alkali production device is produced need heat concentrated, to be 30～35% ion film caustic soda be concentrated to concentration by preheating, thin film concentration evaporation is 50% ion film caustic soda concentrating unit with concentration as being provided with in the ionic membrane production equipment, needs to expend a large amount of energy in spissated process.In existing production technology, alkali concentrates and the synthetic two kinds of production equipments of hydrogenchloride all independently are provided with, thermal resource is not fully effectively used, the appliance arrangement complexity, the appliance arrangement investment is bigger, and operator are more, and floor space is bigger, three wastes discharge amount is big, environmental pollution is serious, needs further to improve.And do not see liquid caustic soda is carried out the spissated relevant report of alkali as the hydrogenchloride heat-eliminating medium.
Summary of the invention
The object of the present invention is to provide a kind of waste heat that utilizes to carry out the synthetic production method of the spissated hydrogenchloride of alkali, it has the advantage that save energy, simplified apparatus, minimizing invests, reduced cost, reduce three waste discharge, protect environment.
Another object of the present invention is to provide a kind of waste heat that utilizes to carry out the spissated hydrogenchloride synthesizer of alkali, it can implement aforesaid method.
Technical scheme of the present invention is:
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthetic method of alkali, hydrogen and chlorine carry out the synthesizing chlorinated hydrogen of combustion reactions in hydrogen chloride synthetic furnace, by heat transferring medium hydrogen chloride gas is cooled off, it is characterized in that: described heat transferring medium is a liquid caustic soda, be concentrated during liquid caustic soda cooling hydrogen chloride gas, simultaneously attached producing steam.
As to further improvement of the present invention, the heat exchange mode of described heat transferring medium and hydrogen chloride gas is a jacketed type, described liquid caustic soda is that concentration is 30～35% ionic membrane caustic soda, described hydrogen carries out cooled dehydrated and demist earlier to be handled and to synthesize with chlorine, and described liquid caustic soda and hydrogen chloride gas carry out entering jacketed type again after the preheating and utilize waste heat to carry out carrying out heat exchange with hydrogen chloride gas in the spissated hydrogen chloride synthetic furnace of alkali in jacketed cooler..
As to further improvement of the present invention, the heat exchange mode of described heat transferring medium and hydrogen chloride gas is a shell and tube, described liquid caustic soda is that concentration is 30～35% ionic membrane caustic soda, described hydrogen carries out cooled dehydrated and demist earlier to be handled and to synthesize with chlorine, and described liquid caustic soda and hydrogen chloride gas carry out entering after the preheating in jacketed cooler again and evaporate the box waste heat that utilizes and carry out carrying out heat exchange with hydrogen chloride gas in the spissated hydrogen chloride synthetic furnace of alkali.
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthesizer of alkali, and it comprises and utilizes waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali, hydrogen mist eliminator and jacketed cooler and support equipment thereof.
As to further improvement of the present invention, describedly utilize waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali to be the jacketed type synthetic furnace, it comprises that the bottom has hydrogen inlet and chlorine inlet, top has the upright cylindrical furnace tube of hydrogenchloride outlet, described stove tube upper end is sealed by stove tube upper cover, described stove tube lower end is by furnace base sealing and supporting, described furnace base is provided with the bulb socket that has lamp holder, described hydrogen inlet and chlorine inlet are arranged on the lamp holder, the chuck cylindrical shell is coated on outside the stove tube cylindrical shell, the upper end is sealed by the chuck upper cover, described chuck is outside equipped with the return line that is communicated with upper and lower cavity, is provided with at least 100 arc fins between described chuck cylindrical shell and stove tube.
As to further improvement of the present invention, the material of described furnace base and bulb socket is a high silicon cast iron, and the material of described stove tube is the composition board of stainless steel and carbon steel, and the material of described chuck cylindrical shell is a stainless steel.
As to further improvement of the present invention, described chuck upper cover is provided with the eddy flow plate mist eliminator of carrying vapour outlet, described eddy flow plate mist eliminator is made up of eddy flow plate, mist eliminator cylindrical shell, mist eliminator end socket, and described eddy flow plate is arranged in the drum type brake mist eliminator cylindrical shell.
As to further improvement of the present invention, the described waste heat that utilizes carries out the spissated hydrogen chloride synthetic furnace of alkali for evaporating box synthetic furnace, it comprises having hydrogen, the stove tube of chlorine inlet and hydrogenchloride outlet, described stove tube upper end is sealed by the furnace roof end socket, the shell and tube evaporation tank places on the stove tube, be connected in the tubulation of described evaporation tank and the stove tube, described stove tube is by furnace base sealing and supporting, described furnace base is provided with the bulb socket that has lamp holder, described hydrogen inlet and chlorine inlet are arranged on the lamp holder, the closed bobbin carriage of described evaporation tank links with the convection tubes of drawing from stove tube side, the described convection tubes upper end mouth of pipe is higher than the furnace roof end socket and links with closed drum, and described drum is provided with the eddy flow plate mist eliminator of carrying vapour outlet.
As to further improvement of the present invention, the cylindrical shell of described evaporation tank and the material of drum are stainless steel, described stove tube and furnace roof end socket are carbon steel material, the tubulation of described evaporation tank and tube sheet are the two-layer composite of stainless steel and carbon steel, its outer tube and its internal tube plate are stainless steel, interior pipe and its outer tube plate are carbon steel material, and the complex method of described interior pipe and outer tube is that cold-drawn or hot embedding are compound.
As to further improvement of the present invention, described hydrogen mist eliminator comprises axial cylindrical tube by upper cover, lower cover sealing, vortex-flow and defrosting plate, screen, Stainless Steel Cloth are set in the described cylindrical tube, the vortex-flow and defrosting plate places the intravital bottom of tube, Stainless Steel Cloth places the intravital top of tube, by the screen supporting, cylindrical shell top is provided with hydrogen mist eliminator manhole, and leg places the bottom of lower cover to be used for support cylinder shape cylindrical shell; Described jacketed cooler is the cylindrical tube of horizontal setting, it is external that the chuck cylindrical shell is coated on cylindrical tube, the entrance end and the Y-tube of cylindrical tube link, rupture disk is set on the Y-tube, the exit end of cylindrical tube and eccentric cone pipe link, saddle places the bottom of chuck cylindrical shell to support entire equipment, and the material of cylindrical shell is the composition board of stainless steel and carbon steel, and the material of chuck cylindrical shell is a stainless steel.
As to further improvement of the present invention, described jacketed cooler is made up of Y-tube, secondary rupture disk, concentric cone pipe, water cooler chuck cylindrical shell, cooler cylinder, saddle, eccentric cone pipe etc., the secondary rupture disk is set on Y-tube, Y-tube links to each other with concentric cone pipe, the cone pipe links to each other with cooler cylinder with one heart, water cooler chuck cylindrical shell is coated on outside the cooler cylinder, cooler cylinder links to each other with the eccentric cone pipe, and saddle places the bottom of water cooler chuck cylindrical shell to support entire equipment.Cooler cylinder adopts the composition board of stainless steel and carbon steel, and water cooler chuck cylindrical shell adopts stainless steel, and all the other adopt carbon steel.
Beneficial effect of the present invention is:
Method of the present invention is utilized the heat-eliminating medium of lower concentration liquid caustic soda as the cooling hydrogen chloride gas, liquid caustic soda absorbs its heat in the cooling hydrogen chloride gas, concentrate, the moisture content that evaporates in this process forms low-pressure steam, as directly being that 30～35% ionic membrane caustic soda evaporation concentration is 50% liquid caustic soda to concentration with concentration, the present invention has maximally utilised the heat of hydrogen chloride synthetic reaction, effectively utilize thermal resource, make hydrogenchloride cooling and the combination of liquid caustic soda enrichment step carried out separately in the prior art, carry out synchronously, and the demist step that is provided with hydrogen before the building-up reactions step is to reduce the moisture content in the hydrogen, reduce the formation of condensation hydrochloric acid in the hydrogenchloride synthesis system, avoid the output of the formation minimizing hydrogenchloride of condensation hydrochloric acid, to the equipment and the pipeline aggravation corrosion of hydrogenchloride synthesis system, reduce its work-ing life; After the building-up reactions step, be provided with the heat exchange steps of liquid caustic soda and hydrogen chloride gas, make liquid caustic soda do further cooling, simultaneously liquid caustic soda is carried out preheating, guarantee the cooling performance of hydrogen chloride gas hydrogen chloride gas.
Device of the present invention carries out the required equipment requirements of heat exchange at lower concentration liquid caustic soda and hydrogen chloride gas, on the liquid caustic soda liquid level, be provided with certain space (being referred to as drum) and be beneficial to water evaporates formation steam, in concentrating the process that produces steam, there is alkali mist entrainment problem at liquid caustic soda inevitably, be provided with mist eliminator, carry secretly with the alkali mist that reduces in the low-pressure steam.And the equipment material that will contact with liquid caustic soda all adopts stainless steel, and the equipment material that will contact with hydrogen chloride gas satisfies the requirement of different media to equipment material for all adopting carbon steels.
The invention provides the synthetic furnace of two kinds of structures, wherein jacketed type utilizes waste heat to carry out the furnace roof top of the spissated hydrogen chloride synthetic furnace of alkali by the chuck top coating with big volume space, make interior liquid caustic soda of chuck and the hydrogen chloride gas in the stove have bigger contact area, liquid caustic soda in the chuck also carries out reflux cycle by return line, mobile mutually, the thermally equivalent of the liquid caustic soda of different sites about making in the chuck, upper surface is vaporized into steam in chuck, steam through the demist processing after pipeline output, when liquid caustic soda concentration reaches set(ting)value after pipeline output.Furnace base and bulb socket adopt high silicon cast iron, can reduce the corrosion of condensation hydrochloric acid, improve the work-ing life of equipment.The equal adopting quartz glass of lamp holder and visor to adapt to the requirement of combustion high temperature, prolongs its work-ing life.In its chuck, set up fin, can increase heat interchanging area.
Evaporate box utilize waste heat carry out the spissated hydrogen chloride synthetic furnace of alkali make between the evaporation tank pipe liquid caustic soda with the pipe in hydrogen chloride gas carry out heat exchange, the liquid caustic soda that has been heated can flow in the drum by convection tubes, after being heated, moisture carries out surface evaporation on the surface of drum control liquid level, carry out production control by the liquid level in the control drum, when liquid caustic soda concentration reaches set(ting)value after pipeline output, when the vapor pressure of drum reaches setting pressure, carry out after demist is handled steam being exported through pipeline through mist eliminator.
The present invention is provided with the hydrogen mist eliminator, be provided with vortex-flow and defrosting plate and Stainless Steel Cloth in it, De Wu Droplets carries secretly in the hydrogen to remove, the eddy flow plate mainly is to remove mechanical particle and liquid pearl, the main effect of Stainless Steel Cloth is to remove mist elimination Droplets, removes the mist Droplets in the hydrogen, and above-mentioned measure can reduce the formation of condensation hydrochloric acid in the hydrogenchloride synthesis system, therefore avoid reducing the output of hydrogenchloride, the equipment and the pipeline aggravation burn into of hydrogenchloride synthesis system reduced its work-ing life.
The present invention is provided with jacketed cooler, adopts liquid caustic soda that hydrogen chloride gas is further cooled off, and simultaneously liquid caustic soda is carried out preheating.
Description of drawings
Fig. 1 carries out the spissated hydrogenchloride synthetic method craft of alkali schematic flow sheet for the waste heat that utilizes of the present invention,
Fig. 2 carries out the spissated hydrogen chloride synthetic furnace structure iron of alkali for the waste heat that utilizes of embodiments of the invention 1,
Fig. 3 carries out the spissated hydrogen chloride synthetic furnace structure iron of alkali for the waste heat that utilizes of embodiments of the invention 2,
Fig. 4 is a hydrogen mist eliminator structure iron of the present invention,
Fig. 5 is a jacketed cooler structure iron of the present invention,
Among the figure:
1. base support, 2. bulb socket, 3. lamp holder, 4. furnace base, 5. fin, 6. stove tube cylindrical shell, 7. support ring, 8. chuck cylindrical shell, 9. stove tube upper cover, 10. chuck upper cover, 11. mist eliminator cylindrical shell, 12. mist eliminator end socket, 13. eddy flow plate, 14. manhole, 15. one-level rupture disk, 16. return line, 17. stove tube, 18. evaporation tank, 19. convection tubes, 20. drum, 21. furnace roof end socket, 22. leg, 23. lower cover, 24. vortex-flow and defrosting plate, 25. cylindrical shell, 26. screen, 27. Stainless Steel Cloth, 28. hydrogen mist eliminator manhole, 29. upper cover, 30. Y-tube, 31. secondary rupture disk, 32. concentric cone pipe, 33. water cooler chuck cylindrical shell, 34. cooler cylinder, 35. saddle, 36. eccentric cone pipe.
Embodiment
Embodiment 1:
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthetic method of alkali, hydrogen and chlorine carry out the synthesizing chlorinated hydrogen of combustion reactions in hydrogen chloride synthetic furnace, by heat transferring medium hydrogen chloride gas is cooled off, heat transferring medium is that concentration is 30～35% ionic membrane caustic sodas, and liquid caustic soda is concentrated and attached producing steam simultaneously at refrigerative.The heat exchange mode of heat transferring medium and hydrogen chloride gas is a jacketed type, hydrogen carries out cooled dehydrated and demist is handled synthetic with chlorine again, liquid caustic soda and hydrogen chloride gas carry out entering in the hydrogen chloride synthetic furnace again and the hydrogen chloride gas heat exchange after the heat exchange, reach the spissated purpose of alkali.
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthesizer of alkali, and the throughput of utilizing waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali is 3000m for hydrogenchloride output
3/ h, 1.6 ten thousand tons/year of 100% ion film caustic sodas, 1.8 ten thousand tons/year of attached product low-pressure steam, as Fig. 2, Fig. 4, shown in Figure 5, it comprises that jacketed type utilizes waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali, hydrogen mist eliminator and jacketed cooler and other conventional equipments.
Utilize waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali and be the jacketed type synthetic furnace, it comprises having hydrogen, the upright cylindrical furnace tube cylindrical shell 6 of chlorine inlet and hydrogenchloride outlet, stove tube cylindrical shell 6 upper ends are by 9 sealings of stove tube upper cover, chuck cylindrical shell 8 is coated on outside the stove tube cylindrical shell 6, the upper end is by 10 sealings of chuck upper cover, stove tube cylindrical shell 6 is by furnace base 4 sealings and by base support 1 supporting, lamp holder 3 places on the bulb socket 2 and is arranged in the stove tube cylindrical shell 6, hydrogen inlet and chlorine inlet are arranged on the lamp holder 3, chuck cylindrical shell 8 is outside equipped with the return line 16 that is communicated with upper and lower cavity, chuck cylindrical shell 8 is provided with manhole 14 and one-level rupture disk 15, chuck upper cover 10 is provided with the eddy flow plate mist eliminator of carrying vapour outlet, eddy flow plate mist eliminator is by eddy flow plate 13, mist eliminator cylindrical shell 11, mist eliminator end socket 12 is formed, eddy flow plate 13 is arranged in the drum type brake mist eliminator cylindrical shell 11, chuck cylindrical shell 8 and 6 of stove tube cylindrical shells are provided with 3 support rings, and stove tube cylindrical shell 6 outside surfaces are provided with 1080 arc fin 5.The material of furnace base 4 and bulb socket 2 is a high silicon cast iron, and the material of stove tube cylindrical shell 6 is the composition board of stainless steel and carbon steel, and the material of chuck cylindrical shell 8 is a stainless steel.
The hydrogen mist eliminator comprises axial cylindrical shell 25 by upper cover 29, lower cover 23 sealings, vortex-flow and defrosting plate 24, screen 26, Stainless Steel Cloth 27 are set in the cylindrical shell 25, vortex-flow and defrosting plate 24 places the bottom in the cylindrical shell 25, Stainless Steel Cloth 27 places the top in the cylindrical shell 25, by screen 26 supportings, cylindrical shell 25 tops are provided with hydrogen mist eliminator manhole 28, and leg 22 places the bottom of lower cover 23 to be used to support entire equipment; Jacketed cooler is the cooler cylinder 34 of horizontal setting, water cooler chuck cylindrical shell 33 is coated on outside the cooler cylinder 34, the entrance end of cooler cylinder 34 links with Y-tube 30 by concentric cone pipe 32, secondary rupture disk 31 is set on the Y-tube 30, the exit end of cooler cylinder 34 and eccentric cone pipe 36 link, saddle 35 places the bottom of water cooler chuck cylindrical shell 33 to support entire equipment, the material of cooler cylinder 34 is the composition board of stainless steel and carbon steel, the material of water cooler chuck cylindrical shell 33 is a stainless steel, and all the other are carbon steel.
Device of the present invention is work like this:
Low concentration alkali is earlier through the jacketed cooler preheating, enter again and utilize waste heat to carry out in the chuck of the spissated hydrogen chloride synthetic furnace of alkali, chlorine is in lamp holder enters stove, hydrogen is in lamp holder enters stove, combustion reactions is carried out in igniting, and the hydrogen chloride gas that generates after the reaction in furnace carries out heat exchange by stove inwall and liquid caustic soda, sends through pipeline on top, enter in the jacketed cooler cylindrical shell with the jacketed cooler chuck in the liquid caustic soda heat exchange after carry out subsequent disposal, hydrogen chloride gas send the user.The liquid caustic soda that utilizes waste heat to carry out in the spissated hydrogen chloride synthetic furnace chuck of alkali carries out reflux cycle by return line, the vaporization of being heated of liquid caustic soda moisture in the chuck, liquid level upper surface after moisture is heated in chuck carries out surface evaporation, liquid level top is steam, liquid level in the control chuck, after liquid caustic soda concentration reaches 50%, export through pipeline, when the vapor pressure of chuck internal upper part drum reaches setting pressure, undertaken after demist is handled steam being exported through pipeline by mist eliminator by the control of concentration control instruments.
Embodiment 2:
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthetic method of alkali, hydrogen and chlorine carry out the synthesizing chlorinated hydrogen of combustion reactions in hydrogen chloride synthetic furnace, by heat transferring medium hydrogen chloride gas is cooled off, heat transferring medium is that concentration is 30～35% ionic membrane caustic sodas, and it is 50% ionic membrane caustic soda and attached producing steam that liquid caustic soda is concentrated to concentration simultaneously at refrigerative.The heat exchange mode of heat transferring medium and hydrogen chloride gas is a shell and tube, hydrogen carries out cooled dehydrated and the demist processing is synthesized with chlorine again, liquid caustic soda and hydrogen chloride gas carry out entering in the hydrogen chloride synthetic furnace again and the hydrogen chloride gas heat exchange after the heat exchange, reach the spissated purpose of alkali.
A kind of waste heat that utilizes carries out the spissated hydrogenchloride synthesizer of alkali, and the throughput of utilizing waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali is 3000m for hydrogenchloride output
3/ h, 1.6 ten thousand tons/year of 100% ion film caustic sodas, 1.8 ten thousand tons/year of attached product low-pressure steam, as Fig. 3, Fig. 4, shown in Figure 5, it comprises that the box waste heat that utilizes of evaporation carries out the spissated hydrogen chloride synthetic furnace of alkali, hydrogen mist eliminator and jacketed cooler and support equipment thereof.
Utilize waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali for evaporating box synthetic furnace, it comprises having hydrogen, the stove tube 17 of chlorine inlet and hydrogenchloride outlet, stove tube 17 upper ends are by 21 sealings of furnace roof end socket, stove tube 17 lower ends are by furnace base 4 sealings and by base support 1 supporting, lamp holder 3 places on the bulb socket 2 and is arranged in the furnace base 4, hydrogen inlet and chlorine inlet are arranged on the lamp holder 3, shell and tube evaporation tank 18 places in the stove tube 17, evaporation tank 18 is provided with in many tubulations and the stove tube 17 and is connected, the closed bobbin carriage of evaporation tank 18 links with two convection tubess 19 of drawing from evaporation tank 18 sides, the convection tubes 19 upper end mouths of pipe are higher than furnace roof end socket 21, be positioned at its top and link with closed drum 20, drum 20 is provided with the eddy flow plate mist eliminator of carrying vapour outlet.
The material of the cylindrical shell of evaporation tank and drum 20 is a stainless steel, stove tube 17 and furnace roof end socket 21 are carbon steel material, the tubulation of evaporation tank 18 and tube sheet are the two-layer composite of stainless steel and carbon steel, its outer tube and its internal tube plate are stainless steel, interior pipe and its outer tube plate are carbon steel material, and the complex method of interior pipe and outer tube is the cold-drawn complex method.
The hydrogen mist eliminator comprises axial cylindrical shell 25 by upper cover 29, lower cover 23 sealings, vortex-flow and defrosting plate 24, screen 26, Stainless Steel Cloth 27 are set in the cylindrical shell 25, vortex-flow and defrosting plate 24 places the bottom in the cylindrical shell 25, Stainless Steel Cloth 27 places the top in the cylindrical shell 25, by screen 26 supportings, cylindrical shell 25 tops are provided with hydrogen mist eliminator manhole 28, and leg 22 places the bottom of lower cover 23 to be used to support entire equipment; Jacketed cooler is the cooler cylinder 34 of horizontal setting, water cooler chuck cylindrical shell 33 is coated on outside the cooler cylinder 34, the entrance end of cooler cylinder 34 links with Y-tube 30 by concentric cone pipe 32, secondary rupture disk 31 is set on the Y-tube 30, the exit end of cooler cylinder 34 and eccentric cone pipe 36 link, saddle 35 places the bottom of water cooler chuck cylindrical shell 33 to support entire equipment, the material of cooler cylinder 34 is the composition board of stainless steel and carbon steel, the material of water cooler chuck cylindrical shell 33 is a stainless steel, and all the other are carbon steel.
Device of the present invention is work like this:
Low concentration alkali is earlier through the jacketed cooler preheating, enter again and utilize waste heat to carry out in the evaporation tank of the spissated hydrogen chloride synthetic furnace of alkali, chlorine is in lamp holder enters stove, hydrogen is in lamp holder enters stove, combustion reactions is carried out in igniting, the hydrogen chloride gas that generates after the reaction in furnace through the tubulation of evaporation tank and liquid caustic soda heat exchange after pipeline send, enter in the cylindrical shell of jacketed cooler with the jacketed cooler chuck in the liquid caustic soda heat exchange after carry out subsequent disposal, hydrogen chloride gas send the user.The liquid caustic soda that utilizes waste heat to carry out in the spissated hydrogen chloride synthetic furnace evaporation tank of the alkali bobbin carriage enters drum by the convection tubes rising, the vaporization of being heated of liquid caustic soda moisture, by the liquid level of control drum, after being heated, moisture carries out surface evaporation on the surface of drum, and liquid level top is steam.After liquid caustic soda concentration reaches 50% by concentration control instruments control through the output of drum bottom pipe, when the vapor pressure of drum reaches setting pressure, after demist is handled steam is exported through pipeline by carrying out through mist eliminator.
Claims (10)
1, a kind of waste heat that utilizes carries out the spissated hydrogenchloride synthetic method of alkali, hydrogen and chlorine carry out the synthesizing chlorinated hydrogen of combustion reactions in hydrogen chloride synthetic furnace, by heat transferring medium hydrogen chloride gas is cooled off, it is characterized in that: described heat transferring medium is a liquid caustic soda, be concentrated during liquid caustic soda cooling hydrogen chloride gas, simultaneously attached producing steam.
2, the waste heat that utilizes according to claim 1 carries out the spissated hydrogenchloride synthetic method of alkali, it is characterized in that: the heat exchange mode of described heat transferring medium and hydrogen chloride gas is a jacketed type, described liquid caustic soda is that mass concentration is 30～35% ionic membrane caustic soda, described hydrogen carries out cooled dehydrated and demist earlier to be handled and to synthesize with chlorine, and described liquid caustic soda and hydrogen chloride gas carry out entering jacketed type again after the preheating and utilize waste heat to carry out carrying out heat exchange with hydrogen chloride gas in the spissated hydrogen chloride synthetic furnace of alkali in jacketed cooler.
3, the waste heat that utilizes according to claim 1 carries out the spissated hydrogenchloride synthetic method of alkali, it is characterized in that: the heat exchange mode of described heat transferring medium and hydrogen chloride gas is a shell and tube, described liquid caustic soda is that mass concentration is 30～35% ionic membrane caustic soda, described hydrogen carries out cooled dehydrated and demist earlier to be handled and to synthesize with chlorine, and described liquid caustic soda and hydrogen chloride gas carry out entering after the preheating in jacketed cooler again and evaporate the box waste heat that utilizes and carry out carrying out heat exchange with hydrogen chloride gas in the spissated hydrogen chloride synthetic furnace of alkali.
4, a kind of waste heat that utilizes carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: it comprises continuous successively hydrogen mist eliminator, utilizes waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali, jacketed cooler and support equipment thereof.
5, the waste heat that utilizes according to claim 4 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: describedly utilize waste heat to carry out the spissated hydrogen chloride synthetic furnace of alkali to be the jacketed type synthetic furnace, it comprises that the bottom has hydrogen inlet and chlorine inlet, top has the upright cylindrical furnace tube of hydrogenchloride outlet, described stove tube upper end is sealed by stove tube upper cover, the chuck cylindrical shell is coated on outside the stove tube cylindrical shell, the upper end is sealed by the chuck upper cover, described stove tube is by furnace base sealing and supporting, described furnace base is provided with the bulb socket that has lamp holder, described hydrogen inlet and chlorine inlet are arranged on the lamp holder, described chuck is outside equipped with the return line that is communicated with upper and lower cavity, is provided with at least 100 arc fins between described chuck cylindrical shell and stove tube.
6, the waste heat that utilizes according to claim 5 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: described chuck upper cover is provided with the eddy flow plate mist eliminator of carrying vapour outlet, described eddy flow plate mist eliminator is made up of eddy flow plate, mist eliminator cylindrical shell, mist eliminator end socket, described eddy flow plate is arranged in the drum type brake mist eliminator cylindrical shell, the material of described furnace base and bulb socket is a high silicon cast iron, the material of described stove tube is the composition board of stainless steel and carbon steel, and the material of described chuck cylindrical shell is a stainless steel.
7, the waste heat that utilizes according to claim 4 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: the described waste heat that utilizes carries out the spissated hydrogen chloride synthetic furnace of alkali for evaporating box synthetic furnace, it comprises having hydrogen, the cylindrical furnace tube of chlorine inlet and hydrogenchloride outlet, described stove tube upper end is sealed by stove tube upper cover, described stove tube lower end is by furnace base sealing and supporting, described furnace base is provided with the bulb socket that has lamp holder, described hydrogen inlet and chlorine inlet are arranged on the lamp holder, the shell and tube evaporation tank places in the stove tube, be connected in the tubulation of described evaporation tank and the stove tube, case links with the convection tubes of drawing from stove tube side between the closed pipe of described evaporation tank, described convection tubes upper port is higher than stove tube upper cover and links with closed drum, and described drum is provided with the eddy flow plate mist eliminator of carrying vapour outlet.
8, the waste heat that utilizes according to claim 4 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: the cylindrical shell of described evaporation tank and the material of drum are stainless steel, described stove tube and furnace roof end socket are carbon steel material, the tubulation of described evaporation tank and tube sheet are the two-layer composite of stainless steel and carbon steel, its outer tube and its internal tube plate are stainless steel, interior pipe and its outer tube plate are carbon steel material, and the complex method of described interior pipe and outer tube is that cold-drawn or hot embedding are compound.
9, the waste heat that utilizes according to claim 4 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: described hydrogen mist eliminator comprises axial cylindrical tube by upper cover, lower cover sealing, vortex-flow and defrosting plate, screen, Stainless Steel Cloth are set in the described cylindrical tube, the vortex-flow and defrosting plate places the intravital bottom of tube, Stainless Steel Cloth places the intravital top of tube, support by screen, cylindrical shell top is provided with hydrogen mist eliminator manhole, and leg places the bottom of lower cover to be used for support cylinder shape cylindrical shell.
10, the waste heat that utilizes according to claim 4 carries out the spissated hydrogenchloride synthesizer of alkali, it is characterized in that: described jacketed cooler is by Y-tube, the secondary rupture disk, concentric cone pipe, water cooler chuck cylindrical shell, cooler cylinder, saddle, the eccentric cone pipe is formed, the secondary rupture disk is set on Y-tube, Y-tube links to each other with concentric cone pipe, the cone pipe links to each other with cooler cylinder with one heart, water cooler chuck cylindrical shell is coated on outside the cooler cylinder, cooler cylinder links to each other with the eccentric cone pipe, saddle places the bottom of water cooler chuck cylindrical shell, the material of cooler cylinder is the composition board of stainless steel and carbon steel, and the material of water cooler chuck cylindrical shell is a stainless steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100435055A CN101549857A (en) | 2009-05-25 | 2009-05-25 | Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat |
| CN2010101953887A CN101830437B (en) | 2009-05-25 | 2010-05-23 | Production method and device for synthesizing hydrogen chloride and concentrating alkali by using waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100435055A CN101549857A (en) | 2009-05-25 | 2009-05-25 | Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101549857A true CN101549857A (en) | 2009-10-07 |
Family
ID=41154390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100435055A Pending CN101549857A (en) | 2009-05-25 | 2009-05-25 | Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101549857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285670A (en) * | 2011-06-16 | 2011-12-21 | 肖正群 | Method and device for performing alkali concentration by utilizing synthesis waste heat of hydrogen chloride |
| CN104928714A (en) * | 2015-05-26 | 2015-09-23 | 南通星球石墨设备有限公司 | Thermal concentration system for dilute brine based on hydrogen chloride synthesis |
-
2009
- 2009-05-25 CN CNA2009100435055A patent/CN101549857A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285670A (en) * | 2011-06-16 | 2011-12-21 | 肖正群 | Method and device for performing alkali concentration by utilizing synthesis waste heat of hydrogen chloride |
| CN104928714A (en) * | 2015-05-26 | 2015-09-23 | 南通星球石墨设备有限公司 | Thermal concentration system for dilute brine based on hydrogen chloride synthesis |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112142004B (en) | Hydrogen production and purification method by methanol-water reforming reaction | |
| RU2008102378A (en) | COMPACT REFORMING REACTOR | |
| CN105819436A (en) | Method and device for purifying graphite | |
| ES2914704T3 (en) | Tail gas heating inside the PSA surge tank | |
| US5232682A (en) | Process and installation for producing a gas containing hydrogen from methanol | |
| CN107022659B (en) | The exhaust heat stepped recycling system of high-temperature slag | |
| CN207891043U (en) | Facility for generating synthesis gas by the catalytic steam reforming of hydrocarbon raw material gas | |
| CN101549857A (en) | Production method and device for condensing alkali and synthesising hydrogen chloride by residual heat | |
| CN109071217B (en) | Method and apparatus for producing hydrogen by catalytic steam reforming of a hydrocarbon-containing feed gas | |
| CN1172841C (en) | Reforming apparatus | |
| CN201102951Y (en) | Phenol water evaporator | |
| CN104949535A (en) | Slag waste heat recovery system | |
| CN101830437B (en) | Production method and device for synthesizing hydrogen chloride and concentrating alkali by using waste heat | |
| CN201411364Y (en) | Evaporation-box type chlorine hydride synthetic furnace for caustic soda concentration by using waste heat | |
| CN203392849U (en) | Byproduct steam hydrogen chloride synthetic system with tail gas treatment device | |
| CN206069360U (en) | A kind of heat exchange of energy-conserving and environment-protective and condenser system | |
| CN101261005A (en) | Membrane type wall sealed yellow phosphorus combustion waste heat boiler possessing coal economizer | |
| CN101327939A (en) | Method for solid caustic soda production by ionic membrane method | |
| CN200950011Y (en) | Heat exchanger, heat exchanger of formaldehyde oxidation reactor | |
| CN202131112U (en) | Caustic soda concentrating device using waste heat produced by hydrogen chloride synthesis | |
| CN101382394B (en) | Waste heat boiler for enamelling machine | |
| CN102285670B (en) | Method and device for performing alkali concentration by utilizing synthesis waste heat of hydrogen chloride | |
| CN201305464Y (en) | Double-heating and double-stroke nitrogen-making deoxygenator | |
| CN220918192U (en) | Device for purifying aluminum chloride by utilizing residual heat of aluminum chloride reaction | |
| CN212769860U (en) | Mixed gas separation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091007 |