CN106495099A - There is the byproduct steam hydrogen chloride graphite synthesis furnace of economizer - Google Patents
There is the byproduct steam hydrogen chloride graphite synthesis furnace of economizer Download PDFInfo
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- CN106495099A CN106495099A CN201611256716.3A CN201611256716A CN106495099A CN 106495099 A CN106495099 A CN 106495099A CN 201611256716 A CN201611256716 A CN 201611256716A CN 106495099 A CN106495099 A CN 106495099A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/012—Preparation of hydrogen chloride from the elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
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- 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
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- 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
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Abstract
Present invention is mainly applied to hydrogen chloride synthesis technical field, more particularly to a kind of byproduct steam hydrogen chloride graphite synthesis furnace with economizer, including graphite furnace tube and drum, gas after mixer is provided with the top of graphite furnace tube, the Steaming structure section that be tightly connected is set gradually at the top of gas after mixer from bottom to up, economizer section and cooling structure section, connected drum by circulation line the top and the bottom of evaporator section metal structure cylinder, graphite furnace tube bottom arranges integral furnace bottom (head), premixed synthetic furnace lamp holder is installed on integral furnace bottom (head), integral furnace cover head is set at the top of cooling structure section, hydrogen chloride outlet is set on integral furnace cover head., by the energy recovery entrained by hydrogen chloride, for preheating the deionized water of byproduct steam, UTILIZATION OF VESIDUAL HEAT IN is more abundant for the present invention, improve heat utilization efficiency, simultaneously realize further lowering the temperature hydrogen chloride, reduce cooling load, have the advantages that energy-saving, UTILIZATION OF VESIDUAL HEAT IN is abundant, heat utilization efficiency is high.
Description
Technical field
The present invention relates to a kind of byproduct steam hydrogen chloride graphite synthesis furnace with economizer, is mainly used in chlorination hydrido
Into technical field.
Background technology
Existing byproduct steam hydrogen chloride synthetic furnace mainly has the synthetic furnace of steel, the synthetic furnace of graphite and half steel half
Synthetic furnace with graphite.Basic functional principle is all：Chlorine, hydrogen are entered from furnace bottom, obtain hydrogen chloride gas through lamp holder mixing, burning
Body is after hyperthermia radiation section is cooled to suitable temperature using recirculated water by furnace bottom, using remaining heat of hydrochloric synthesis byproduct steam, low
Temperature section is reused after cooling water further cools to technological requirement temperature and is discharged from furnace roof, obtains hydrogen chloride gas.Steel synthesizes
Stove byproduct steam pressure is high, but is limited by chemical attack temperature range, takes that hot temperature range is little, and utilization rate of waste heat is low.Graphite
Synthetic furnace, does not contain iron ion in product, and product is pure, but is limited by material temperature resistant capability and intensity, and it is little to take the hot temperature difference, and waste heat is sharp
Not high with rate yet.
Existing byproduct steam hydrogen chloride synthetic furnace is all present：By-product UTILIZATION OF VESIDUAL HEAT IN is insufficient, heat exchange efficiency is low, and chlorine hydrogen is mixed
Close reaction not thoroughly, chloride ion-containing, hydrogen chloride in product, the low defect of purity.
Content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of heat exchange efficiency height, UTILIZATION OF VESIDUAL HEAT IN fully, chlorine hydrogen hybrid reaction
Thoroughly, product is pure, without iron ion and chloride ion, compact conformation rationally, with energy-saving function with economizer
Byproduct steam hydrogen chloride graphite synthesis furnace.
Byproduct steam hydrogen chloride graphite synthesis furnace with economizer of the present invention, including graphite furnace tube and drum,
Gas after mixer is provided with the top of graphite furnace tube, sets gradually the steaming being tightly connected at the top of gas after mixer from bottom to up
Structural sections, economizer section and cooling structure section is sent out, Steaming structure section includes evaporator section heat exchange block assembly, graphite furnace tube epimere and steaming
Send out section heat exchange block assembly periphery and be provided with evaporator section metal structure cylinder, the top and the bottom of evaporator section metal structure cylinder pass through circulation pipe
Road series connection drum, graphite furnace tube bottom arranges integral furnace bottom (head), installs premixed synthetic furnace lamp on integral furnace bottom (head)
Head, arranges integral furnace cover head at the top of cooling structure section, arranges hydrogen chloride outlet on integral furnace cover head；Economizer section
Bottom arranges deionized water import, and top arranges and preheats water out without ion, without ion preheating water outlet drum, cooling knot
The bottom of structure section arranges cooling water inlet, and top arranges cooled-preheated water out.
Described cooling structure section includes that cooler heat exchange block assembly, cooler heat exchange block assembly periphery are provided with cooling section gold
Category structure chuck, cooling section metal structure chuck bottom are provided with cooling water inlet, and top is provided with cooled-preheated water out, cooling section
The sealing of metal structure chuck upper end and integral furnace cover head is connected, cooling section metal structure chuck lower end and cooler heat transfer block
Component sealing is connected.
Described economizer section includes economizer heat exchange block assembly, and it is double-deck that economizer heat exchange block assembly periphery is provided with economizer
Chuck metal structure cylinder, economizer double-jacket metal structure cylinder include metal inner core and the metal outer cylinder being coaxially disposed,
Metal inner core top is circumferentially just provided with some equally distributed top flowing holes, and metal inner core bottom is circumferentially just provided with some
Equally distributed bottom flowing hole, metal outer cylinder bottom are provided with deionized water import, and top is provided with and preheats water out, gold without ion
Category inner core upper end seal with metal outer cylinder upper end and economizer heat exchange block assembly upper end connected, outside metal inner core lower end and metal
Cylinder lower end and economizer heat exchange block assembly lower end seal connected.
Drum steam (vapor) outlet is set at the top of described drum, and circulation line includes circulation pipe, the connection of circulation pipe one end without from
Sub- water preheats water inlet, the chamber between deionized water preheating water inlet communication evaporator section metal structure cylinder body bottom and graphite furnace tube
Body, the circulation pipe other end connect steam outlet, change with evaporator section at the top of steam outlet connection evaporator section metal structure cylinder
Cavity between hot block assembly, deionized water preheating water inlet and steam outlet are installed in evaporator section metal structure cylinder
On.
, by the cooled-preheated water inlet of pipeline communication, cooled-preheated water inlet is installed in control for described cooled-preheated water out
On temperature section metal structure cylinder, temperature control segment metal structure cylinder is installed in evaporator section metal structure cylinder and integral furnace bottom (head)
Between, and temperature control segment metal structure cylinder is located at the periphery of graphite furnace tube hypomere, temperature control segment metal structure cylinder top is provided with cold
But water out, inside are provided with helical form deflection plate, outside respectively by fire door, visor stretch out sealing fixing mechanism and fire door,
Visor connects.
Described premixed synthetic furnace lamp holder includes the quartz glass inner and outer tubes being coaxially disposed, and outer tube is straight pipe,
The top of inner tube is hemispherical enclosed construction, and the bottom of hemispherical enclosed construction arranges the straight-through section of inner tube, the straight-through section of inner tube upper
Portion is provided with the jet segment that cross section is plum blossom-shaped, and spray orifice is distributed with jet segment.During work, hydrogen is passed through from outer tube；Chlorine from
Inner tube is passed through, and chlorine is by the spray orifice in inner tube plum blossom-shaped structure, is vertically injected into hydrogen paths, forms special turbulent flow
Structure；Sufficient premixing is formed with hydrogen, mixed gas are fully burnt on lamp holder top upwards：Lead to as chlorine is incorporated to hydrogen
Road, further carries high gas velocity；Flame vertical upwards, burns highly moderate, between long flame and short-flame；I.e. effectively drop control is fiery
Radiation injury of the flame to synthesis furnace body, drops bottom flame again to the heat injury at the top of flue, and bags height is less.
The jet segment of described plum blossom-shaped includes multiple arcs section, is connected by connecting plate, arc between adjacent segmental arc
Spray orifice is distributed with section.
Described gas after mixer is the graphite material gas after mixer with lamp holder explosion prevention function；Evaporator section heat transfer block
Component is YKB type graphite heat exchange block components；Economizer heat exchange block assembly is YKA type graphite heat exchange block components；Cooler heat transfer block
Component is YKB type graphite heat exchange block components.
The invention has the beneficial effects as follows：
1st, due to adopting premixed synthetic furnace lamp holder so that chlorine, hydrogen mixing are more uniform, and burning more fully, is produced
Product do not contain free chlorine, and output chlorination hydrogen purity is high.
2nd, during hydrogen chloride synthetic reaction, vigorous reaction, in the case where there is water catalyst, 150 will occur when 400 DEG C
There is vigorous reaction by DEG C, release heat and cause forming gas temperature to be increased beyond 2000 DEG C；And hydrogen chloride is at 1700 DEG C
Significantly dissociation reaction will occur, as the present invention is provided with gas after mixer in stage casing, force the chlorine and hydrogen of dissociation
Gas is re-mixed, is reacted, synthesising hydrogen, makes product without free chlorine, and chlorination hydrogen purity is higher.
3rd, as a result of integral furnace bottom (head) and integral furnace closedtop header structure so that equipment overall structure intensity is more
Good, it is to avoid split furnace bottom end socket and split type furnace top head junction must be provided with sealing member, and sealing property of sealing component reduces
The leakage problem for bringing, more safe and reliable.
4th, due to being provided with the coal economizer structure of deionized water preheating section, existing byproduct steam synthetic furnace is overcome,
Byproduct steam section tail end, hydrogen chloride temperature are down to 200 DEG C～300 DEG C；Cooling section is entered, technological temperature is cooled to, generally
40 DEG C, discharge finished product hydrogen chloride；Byproduct steam synthetic furnace cooling load is big, the insufficient problem of UTILIZATION OF VESIDUAL HEAT IN, and the present invention is in pair
The economizer arranged between producing steam section and cooling section, the heat energy entrained by hydrogen chloride about 100 DEG C～300 DEG C intervals is returned
Receive, for preheating the deionized water of byproduct steam, it is achieved that further with waste heat, UTILIZATION OF VESIDUAL HEAT IN is more abundant, improve diarrhea of heat type
With rate 4%～10%, while realizing further lowering the temperature hydrogen chloride, economizer section outlet hydrogen chloride temperature is about 100 DEG C～150
DEG C, cooling load about 20%～40% is reduced, have the advantages that energy-saving, UTILIZATION OF VESIDUAL HEAT IN is abundant, heat utilization efficiency is high.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1.
Fig. 3 is the mplifying structure schematic diagram of part B in Fig. 1.
Fig. 4 is the mplifying structure schematic diagram of C portion in Fig. 1.
Fig. 5 is the mplifying structure schematic diagram of D parts in Fig. 1.
Fig. 6 is the structural representation of premixed synthetic furnace lamp holder.
Fig. 7 is the cross section structure schematic diagram of A-A in Fig. 6.
In figure：1st, chlorine inlet；2nd, premixed synthetic furnace lamp holder；3rd, integral furnace bottom (head)；4th, fire door；5th, deionized water
Preheating water inlet；6th, circulation pipe；7th, steam outlet；8th, drum；9th, water out is preheated without ion；10th, steam (vapor) outlet；11st, whole
Body formula furnace top head；12nd, hydrogen chloride outlet；13rd, cooled-preheated water out；14th, cooler heat exchange block assembly；15th, cooling section gold
Category structure chuck；16th, cooling water inlet；17th, economizer double-jacket metal structure cylinder；18th, top flowing hole；19th, metal
Inner core；20 metal outer cylinders；21st, economizer heat exchange block assembly；22nd, bottom flowing hole；23rd, deionized water import；24th, evaporator section is changed
Hot block assembly；25th, evaporator section metal structure cylinder；26th, gas after mixer；27th, graphite furnace tube；28th, coolant outlet；29、
Temperature control segment metal structure cylinder；30th, visor；31st, cooled-preheated water inlet；32nd, helical form deflection plate；33rd, hydrogen inlet；34、
Jet segment；35th, outer tube；36th, inner tube；37th, spray orifice.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described further：
As shown in Fig. 1～Fig. 7, the byproduct steam hydrogen chloride graphite synthesis furnace with economizer of the present invention, including
Graphite furnace tube 27 and drum 8, are provided with gas after mixer 26, at the top of gas after mixer 26 under in the top of graphite furnace tube 27
Supreme set gradually Steaming structure section, economizer section and the cooling structure section being tightly connected, Steaming structure section is changed including evaporator section
Hot block assembly 24,27 epimere of graphite furnace tube and 24 periphery of evaporator section heat exchange block assembly are provided with evaporator section metal structure cylinder 25, steam
The top and the bottom of section metal structure cylinder 25 are sent out by circulation line series connection drum 8,27 bottom of graphite furnace tube arranges integral furnace bottom
End socket 3, installs premixed synthetic furnace lamp holder 2 on integral furnace bottom (head) 3, arrange integral furnace cover head at the top of cooling structure section
11, hydrogen chloride outlet 12 is set on integral furnace cover head 11；The bottom of economizer section arranges deionized water import 23, and top sets
Putting and water out 9 being preheated without ion, preheat the connection drum 8 of water out 9 without ion, the bottom of cooling structure section arranges cooling water inlet
16, top arranges cooled-preheated water out 13.Cooling structure section includes cooler heat exchange block assembly 14, cooler heat exchange block assembly
14 peripheries are provided with cooling section metal structure chuck 15, and 15 bottom of cooling section metal structure chuck is provided with cooling water inlet 16, top
Cooled-preheated water out 13 is provided with, 15 upper end of cooling section metal structure chuck is connected with the sealing of integral furnace cover head 11, cooling
15 lower end of section metal structure chuck is connected with the cooler heat exchange sealing of block assembly 14.Economizer section includes economizer heat exchange block assembly
21,21 periphery of economizer heat exchange block assembly is provided with economizer double-jacket metal structure cylinder 17, economizer double-jacket metal
Structure cylinder 17 includes that the metal inner core 19 being coaxially disposed and metal outer cylinder 20,19 top of metal inner core are circumferentially just provided with some
Equally distributed top flowing hole 18,19 bottom of metal inner core are circumferentially just provided with some equally distributed bottom flowing holes 22,
20 bottom of metal outer cylinder is provided with deionized water import 23, and top is provided with and preheats water out 9,19 upper end of metal inner core and gold without ion
Category 20 upper end of outer tube and economizer heat exchange block assembly 21 upper end seal connected, 19 lower end of metal inner core and 20 lower end of metal outer cylinder
And economizer heat exchange block assembly 21 lower end seal connected.Drum steam (vapor) outlet 10 is set at the top of drum 8, circulation line includes following
Endless tube 6,6 one end of circulation pipe connection deionized water preheating water inlet 5, the deionized water preheating connection evaporator section metal knot of water inlet 5
Cavity between 25 bottom of structure cylinder and graphite furnace tube 27,6 other end of circulation pipe connect steam outlet 7, and steam outlet 7 connects
Cavity at the top of logical evaporator section metal structure cylinder 25 and between evaporator section heat exchange block assembly, deionized water preheat 5 He of water inlet
Steam outlet 7 is installed on evaporator section metal structure cylinder 25.Cooled-preheated water out is cooled-preheated by pipeline communication
Water inlet 31, cooled-preheated water inlet 31 on temperature control segment metal structure cylinder 29, pacify by temperature control segment metal structure cylinder 29
It is mounted between evaporator section metal structure cylinder 25 and integral furnace bottom (head) 3, and temperature control segment metal structure cylinder 29 is located at graphite
The periphery of 27 hypomere of furnace tube, 29 top of temperature control segment metal structure cylinder are provided with coolant outlet 28, and inside is provided with helical form baffling
Plate 32, outside are connected with fire door 4, visor 30 by the sealing fixing mechanism that stretches out of fire door, visor respectively.Premixed synthetic furnace lamp
2 include the quartz glass inner tube 36 and the outer tube 35 that are coaxially disposed, and outer tube 35 is straight pipe, and the top of inner tube 36 is hemispherical envelope
Structure is closed, the bottom of hemispherical enclosed construction arranges the straight-through section of inner tube, and the top of the straight-through section of inner tube is provided with cross section for plum blossom-shaped
Jet segment 34, spray orifice is distributed with jet segment 34.The jet segment 34 of plum blossom-shaped includes multiple arcs section, between adjacent segmental arc
Connected by connecting plate, spray orifice 37 on segmental arc, is distributed with.Gas after mixer 26 is the graphite material with lamp holder explosion prevention function
Gas after mixer 26；Evaporator section heat exchange block assembly is YKB type graphite heat exchange block components；Economizer heat exchange block assembly 21 is YKA
Type graphite heat exchange block component；Cooler heat exchange block assembly 14 is YKB type graphite heat exchange block components.
The present embodiment is to produce 540 tons of the byproduct steam hydrogen chloride graphite synthesis furnace with economizer, its course of work per year
It is：
Pending chlorine, enters the premixed synthetic furnace lamp for being arranged on 3 bottom of integral furnace bottom (head) by chlorine inlet 1
2；Pending hydrogen, enters the premixed synthetic furnace for being arranged on 3 bottom of integral furnace bottom (head) by hydrogen inlet 33 simultaneously
Lamp holder 2；Chlorine and hydrogen are sufficiently mixed in premixed synthetic furnace lamp holder 2, are burnt on premixed 2 top of synthetic furnace lamp holder, are closed
Into hydrogen chloride gas, spray to graphite furnace tube 27.Flame should be Bluish white, and the substantial amounts of heat of association.Hydrogen chloride synthesis heat is
92KJ/mol, chemical equation is：H2+Cl2=2HCl+184.096KJ/mol.During burning, flame temperature is about by Theoretical Calculation
More than 3000 DEG C, but at actual synthesis, as chlorine is excessive, pure gas and moisture are not brought into, and hydrogen chloride is 1700
Significantly can dissociate more than DEG C, etc. factor；Flame temperature is made to be down to 2000 DEG C or so.Forming gas is in 27 hypomere of graphite furnace tube, companion
Have substantial amounts of radiant heat, be arranged on 27 hypomere of graphite furnace tube, periphery temperature control segment metal structure cylinder 29 in, forced circulation
Cooled-preheated water, carries out wall-type heat exchange.Forming gas temperature is down to 1800 DEG C or so, 27 epimere of entrance graphite furnace tube, and after
Continuous rising；Sequentially pass through longitudinal flow channels of gas after mixer 26, evaporator section heat exchange block assembly 24.Synthesize in the process
In gas and evaporator section metal structure cylinder 25, the deionized water preheating water of thermal siphon self-loopa carries out wall-type heat exchange.Synthesis
Gas temperature is gradually reduced；The chlorine and hydrogen dissociated in simultaneously synthesizing gas further reacts, and generates hydrogen chloride gas, and releases
Release synthesis heat；Participate in heat exchange.Forming gas temperature is down to 250 DEG C or so, enters the vertical of economizer heat exchange block assembly 21
To flow channels.In the process in forming gas and economizer metal inner core 19, the deionized water of thermal siphon self-loopa is pre-
Hot water, carries out wall-type heat exchange.Forming gas temperature is down to 120 DEG C or so, continues to rise, and enters cooler heat exchange block assembly 14
Longitudinal flow channels.Be arranged in the cooling section metal structure chuck 15 of cooler heat exchange block assembly 14 periphery, force to follow
The cooling water of ring, carries out wall-type heat exchange.Forming gas temperature is down to 40 DEG C or so；Integral furnace cover head 11 is entered, by chlorine
Change hydrogen outlet 12 to discharge.
Service side cooling segment：The cooling water of forced circulation, by being arranged on the cold of 15 bottom of cooling section metal structure chuck
But water inlet 16, enter cooler, the horizontal flow channels of the block assembly 14 that exchanges heat through cooler；With cooler heat exchange block assembly
Forming gas in 14 longitudinal flow channels, carries out wall-type heat exchange.Forming gas temperature is down to 40 DEG C or so by 120 DEG C；
Cooling water own temperature is increased to 30 DEG C or so by 25 DEG C.From being arranged on the cooled-preheated of 15 top of cooling section metal structure chuck
Water out 13 is discharged.And the cooled-preheated water inlet 31 of 29 bottom of temperature control segment metal structure cylinder is entered, through cooling section metal
The flow channels formed between three parts such as structure chuck 15, graphite furnace tube 27 and helical form deflection plate 32.With graphite furnace tube
Hot synthesis gas in 27 hypomeres, carry out wall-type heat exchange.Forming gas temperature is down to 1800 DEG C or so, forced circulation cold
But preheating water, own temperature are increased to 50 DEG C or so by 30 DEG C.From the cooling for being arranged on 29 top of temperature control segment metal structure cylinder
Water out 28 is discharged.Complete the cooling technique process of the byproduct steam hydrogen chloride graphite synthesis furnace of band " economizer ".
Service side byproduct steam part：Deionized water is by the metal for being arranged on economizer double-jacket metal structure cylinder 17
The deionized water import 23 of 20 bottom of outer tube, enters between metal outer cylinder 20 and metal inner core 19；Flow through and be arranged on metal inner core
The some equally distributed bottom flowing hole 22 of 19 bottoms, enters metal inner core 19, and through economizer heat exchange block assembly 21
Radial direction flow channels.The forming gas exchanged heat with economizer in longitudinal flow channels of block assembly 21, carries out wall-type heat exchange.Close
120 DEG C or so are down to into gas temperature by 250 DEG C.Deionized water own temperature is raised, and density reduces, in the effect of thermal siphon
Under, the circulation canal formed between the radial direction flow channels of metal inner core 19 and economizer heat exchange block assembly 21 flows through upwards
The some equally distributed top flowing hole 18 on 19 top of metal inner core is arranged on, metal outer cylinder 20 is entered；Continue on metal
Circular passage between outer tube 20 and metal inner core 19 downwards, flow through be arranged on 19 bottom of metal inner core some equally distributed under
Portion's flowing hole 22, enters metal inner core 19.So iterative cycles, are exchanged heat with economizer in longitudinal flow channels of block assembly 21
Forming gas, carries out heat exchange.Deionized water own temperature is increased to 60 DEG C～80 DEG C by 25 DEG C.It is double by economizer is arranged on
The deionized water preheating water out on 20 top of metal outer cylinder of layer chuck metal structure cylinder 17 is discharged, and enters drum.
The deionized water preheating water for entering drum 8 is downward by circulation pipe 6, by being arranged on evaporator section metal structure cylinder
25, the deionized water preheating water inlet 5 of bottom enters evaporator section metal structure cylinder 25.And pass through evaporator section metal structure cylinder
Body 25 and three group parts such as the horizontal flow channels of graphite furnace tube epimere, gas after mixer 26 and evaporator section heat exchange block assembly 24
The runner of formation is upwards.With sequentially pass through the vertical of graphite furnace tube epimere and gas after mixer 26, evaporator section heat exchange block assembly 24
To the forming gas of flow channels, wall-type heat exchange is carried out.Forming gas temperature is down to 250 DEG C or so by 1800 DEG C.Without ion
Water own temperature is raised, the diabatic process such as experience " sensible heat section transition flow ", " evaporator section nucleateboiling film "；Effect in thermal siphon
Under, along evaporator section metal structure cylinder 25 and graphite furnace tube epimere, gas after mixer 26 and evaporator section heat exchange block assembly 24
The runner that laterally three group parts such as flow channels are formed is upwards.Flow out the water steaming for being arranged on 25 top of evaporator section metal structure cylinder
Vapor outlet 7.Drum 8 is entered through circulation pipe 6；Gas-liquid separation is carried out in drum 8, and deionized water continues along circulation pipe 6 downwards,
Water inlet 5 is preheated by being arranged on the deionized water of 25 bottom of evaporator section metal structure cylinder, evaporator section metal structure cylinder is entered
Body 25.So iterative cycles, with the gas in synthetic furnace, carry out heat exchange.The 0.3MPa that gas-liquid separation goes out in drum 8 simultaneously
The byproduct steam of～0.8MPa is discharged by the steam (vapor) outlet 10 being arranged at the top of drum 8, completes the byproduct steam of band " economizer "
The byproduct steam technical process of hydrogen chloride graphite synthesis furnace.
The present embodiment is the byproduct steam hydrogen chloride graphite synthesis furnace with economizer of 540 tons of annual output, through more than 1 year
Trial production demonstrates the effect that its structure is brought：
1st, premixed synthetic furnace lamp holder is adopted so that chlorine, hydrogen mixing are more uniform, burn more abundant；
2nd, during hydrogen chloride synthetic reaction, vigorous reaction will occur, in the case where there is water catalyst 150 when 400 DEG C
There is vigorous reaction by DEG C, release heat and cause forming gas temperature to be increased beyond 2000 DEG C；And hydrogen chloride is at 1700 DEG C
Significantly dissociation reaction will occur, due to the present embodiment in, in the byproduct steam hydrogen chloride graphite synthesis furnace with economizer
Stage casing is provided with gas after mixer, and the chlorine and hydrogen that pressure is dissociated is re-mixed, reacted, synthesising hydrogen, is further protected
Product is hindered higher without free chlorine, chlorination hydrogen purity.Output chlorination hydrogen purity is up to 99%.
3rd, the present embodiment, as a result of integral furnace bottom (head) and integral furnace closedtop header structure so that equipment entirety
More preferably, integral furnace bottom (head) sealing surface is reduced at 4 structural strength, integral furnace cover head sealing surface is reduced at 2, it is to avoid point
Body furnace bottom end socket and split type furnace top head junction must be provided with sealing member, and the leakage that sealing property of sealing component reduces bringing is asked
Topic, more safe and reliable.
4th, the present embodiment, due to being provided with the coal economizer structure of deionized water preheating section.Existing byproduct steam synthetic furnace,
In byproduct steam section tail end, hydrogen chloride temperature is down to 200 DEG C～300 DEG C；Cooling section is entered, technological temperature is cooled to, typically
For 40 DEG C, finished product hydrogen chloride is discharged；Byproduct steam synthetic furnace cooling load is big, and UTILIZATION OF VESIDUAL HEAT IN is insufficient.The present invention is steamed in by-product
Between vapour section and cooling section, an economizer is provided with, the heat energy entrained by hydrogen chloride about 100 DEG C～300 DEG C intervals is returned
Receive, for preheating the deionized water of byproduct steam；Achieve further with waste heat, UTILIZATION OF VESIDUAL HEAT IN is more abundant, improve diarrhea of heat type
With rate 4%～10%.Realize simultaneously further lowering the temperature hydrogen chloride, economizer section outlet hydrogen chloride temperature about 100 DEG C～150
℃.Cooling load about 20%～40% is reduced, have the advantages that energy-saving, UTILIZATION OF VESIDUAL HEAT IN is abundant, heat utilization efficiency is high.
Claims (8)
1. a kind of byproduct steam hydrogen chloride graphite synthesis furnace with economizer, it is characterised in that：Including graphite furnace tube (27) and
Drum (8), is provided with gas after mixer (26), at the top of gas after mixer (26) from bottom to up in the top of graphite furnace tube (27)
Steaming structure section, economizer section and the cooling structure section being tightly connected is set gradually, Steaming structure section includes evaporator section heat transfer block
Component (24), graphite furnace tube (27) epimere and evaporator section heat exchange block assembly (24) periphery are provided with evaporator section metal structure cylinder
(25), the top and the bottom of evaporator section metal structure cylinder (25) by circulation line connect drum (8), graphite furnace tube (27) bottom sets
Integral furnace bottom (head) (3) is put, integral furnace bottom (head) (3) is upper to install premixed synthetic furnace lamp holder (2), at the top of cooling structure section
Integral furnace cover head (11) is set, and integral furnace cover head (11) is upper to arrange hydrogen chloride outlet (12)；The bottom of economizer section
Deionized water import (23) is set, and top is arranged without ion preheating water out (9), without ion preheating water out (9) connection drum
(8), the bottom of cooling structure section arranges cooling water inlet (16), and top arranges cooled-preheated water out (13).
2. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Cooling
Structural sections include that cooler heat exchange block assembly (14), cooler heat exchange block assembly (14) periphery are provided with cooling section metal structure chuck
(15), cooling section metal structure chuck (15) bottom is provided with cooling water inlet (16), and top is provided with cooled-preheated water out (13),
Cooling section metal structure chuck (15) upper end is connected with integral furnace cover head (11) sealing, cooling section metal structure chuck (15)
Lower end is connected with cooler heat exchange block assembly (14) sealing.
3. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Save coal
Device section includes that economizer heat exchange block assembly (21), economizer heat exchange block assembly (21) periphery are provided with economizer double-jacket metal knot
Structure cylinder (17), economizer double-jacket metal structure cylinder (17) include metal inner core (19) and the metal outer cylinder being coaxially disposed
(20), metal inner core (19) top is circumferentially just provided with some equally distributed top flowing hole (18), under metal inner core (19)
Portion is circumferentially just provided with some equally distributed bottom flowing hole (22), and metal outer cylinder (20) bottom is provided with deionized water import
(23), top is provided with without ion preheating water out (9), and metal inner core (19) upper end is changed with metal outer cylinder (20) upper end and economizer
Hot block assembly (21) upper end seals connected, metal inner core (19) lower end and metal outer cylinder (20) lower end and economizer heat transfer block group
Part (21) lower end seals connected.
4. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Drum
(8) drum steam (vapor) outlet (10) is set at the top of, and circulation line includes circulation pipe (6), and circulation pipe (6) one end connection deionized water is pre-
Hot water inlet (5), deionized water preheating water inlet (5) connection evaporator section metal structure cylinder (25) bottom and graphite furnace tube (27)
Between cavity, circulation pipe (6) other end connection steam outlet (7), steam outlet (7) connect evaporator section metal structure cylinder
Cavity at the top of body (25) and between evaporator section heat exchange block assembly, deionized water preheating water inlet (5) and steam outlet (7) are
On evaporator section metal structure cylinder (25).
5. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Cooling
By the cooled-preheated water inlet of pipeline communication (31), cooled-preheated water inlet (31) are installed in temperature control segment gold for preheating water out (13)
On category structure cylinder (29), temperature control segment metal structure cylinder (29) is installed in evaporator section metal structure cylinder (25) and integral furnace
Between bottom (head) (3), and temperature control segment metal structure cylinder (29) is located at the periphery of graphite furnace tube (27) hypomere, and temperature control segment metal is tied
Structure cylinder (29) top is provided with coolant outlet (28), and inside is provided with helical form deflection plate (32), and outside passes through fire door respectively, regards
The sealing fixing mechanism that stretches out of mirror is connected with fire door (4), visor (30).
6. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Premix
Formula synthetic furnace lamp holder (2) includes the quartz glass inner tube (36) that is coaxially disposed and outer tube (35), and outer tube (35) is straight pipe, inner tube
(36) top is hemispherical enclosed construction, and the bottom of hemispherical enclosed construction arranges the straight-through section of inner tube, the straight-through section of inner tube upper
Portion is provided with the jet segment (34) that cross section is plum blossom-shaped, and spray orifice (37) is distributed with jet segment (34).
7. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 6, it is characterised in that：Flos Mume
The jet segment of shape includes multiple arcs section, is connected by connecting plate between adjacent segmental arc, and spray orifice (37) is distributed with segmental arc.
8. the byproduct steam hydrogen chloride graphite synthesis furnace with economizer according to claim 1, it is characterised in that：Gas
After mixer (26) is graphite material gas after mixer (26) with lamp holder explosion prevention function；Evaporator section heat exchange block assembly is YKB
Type graphite heat exchange block component；Economizer heat exchange block assembly (21) is YKA type graphite heat exchange block components；Cooler heat exchange block assembly
(14) it is YKB type graphite heat exchange block components.
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Cited By (4)
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| CN110407174A (en) * | 2019-08-01 | 2019-11-05 | 贵州兰鑫石墨机电设备制造有限公司 | A kind of efficient hydrogen chloride synthesis burner |
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| CN111620305A (en) * | 2020-04-20 | 2020-09-04 | 四川省金路树脂有限公司 | Device and method for greatly improving byproduct steam in hydrogen chloride synthesis |
| CN113262734A (en) * | 2021-06-10 | 2021-08-17 | 贵州兰鑫石墨机电设备制造有限公司 | Synthetic furnace base with temperature control protection and automatic cleaning functions |
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|---|---|
| CN106495099B (en) | 2018-06-05 |
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Address after: 255300 No. 999, northwest outer ring road, Zhoucun District, Zibo City, Shandong Province Patentee after: Shandong Heda Group Co.,Ltd. Address before: 255300 No. 999, northwest outer ring road, Zhoucun District, Zibo City, Shandong Province Patentee before: SHANDONG HEAD CO.,LTD. |