CN106984060A - A kind of acid solution reuse, hydrogen recovery process and its equipment - Google Patents
A kind of acid solution reuse, hydrogen recovery process and its equipment Download PDFInfo
- Publication number
- CN106984060A CN106984060A CN201710366127.9A CN201710366127A CN106984060A CN 106984060 A CN106984060 A CN 106984060A CN 201710366127 A CN201710366127 A CN 201710366127A CN 106984060 A CN106984060 A CN 106984060A
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- Prior art keywords
- hydrogen
- water seal
- acid
- tower
- containing gas
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000001257 hydrogen Substances 0.000 title claims abstract description 72
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 72
- 239000002253 acid Substances 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000007789 gas Substances 0.000 claims abstract description 54
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 26
- 239000003513 alkali Substances 0.000 claims abstract description 25
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003595 mist Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 12
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/0072—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with filtration
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The present invention discloses a kind of acid solution reuse, hydrogen recovery process and its equipment, and acid solution reuse, hydrogen recovery process comprise the following steps:S1, using condenser by reactor eject include hydrogen, sulfuric acid, phosphoric acid, vapor gas cooled down, make the vapor in gas, acid mist be condensed into liquid to be back to reactor by gaseous state;S2, the hydrogen-containing gas come out from condenser carried out by acid-mist-removing purification using neutralizing tower, neutralized using alkali lye circulated sprinkling water pump spray plus alkali lye, plus alkali lye with the acid mist in hydrogen-containing gas;S3, using deentrainment tower to hydrogen-containing gas carry out demisting processing;S4, exhausted air insulated using head water, it is ensured that pressure is within the scope of requiring in the system before deentrainment tower;S5, using Safety water seal, when pressure exceedes desired scope in the system before deentrainment tower, hydrogen-containing gas can enter in Safety water seal from level pressure water seal, and under normal operating conditions, hydrogen-containing gas is entered in hydrogen utilization system from the discharge duct on Safety water seal.
Description
Technical field:
The present invention relates to a kind of acid solution reuse, hydrogen recovery process and its equipment.
Background technology:
In industrial enterprise produces, metal reaction kettle is set up in many processes, production status is:In certain pressure and temperature
Under conditions of degree, in sulfuric acid, phosphoric acid plus metal dust reaction, reacting gas accessory substance be hydrogen, be mingled with sulfuric acid, phosphoric acid,
Vapor etc..
Present situation is that most enterprises are not used or even are directly discharged in the external world to this portion gas accessory substance, this
The pollution of environment and the waste of resource will certainly be caused.
It is also that flow is complicated even if there is Some Enterprises to be subject to reuse or improvement to the byproduct gas of the part, cost
It is high, it result in reuse and the economic benefit for administering the portion gas be not good, input and output could not realize benefit.
In view of this, the present inventor proposes following technical scheme.
The content of the invention:
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of acid solution reuse, hydrogen recovery process and its
Equipment.
In order to solve the above-mentioned technical problem, present invention employs the first following technical scheme:The acid solution reuse, hydrogen are returned
Skill of knocking off comprises the following steps:S1, using condenser coupled reaction kettle, and the condenser includes hydrogen by what reactor was ejected
Gas, sulfuric acid, phosphoric acid, the gas of vapor carry out being cooled to less than 40 degrees Celsius, while most vapor, acid mist in gas
Liquid is condensed into by gaseous state, condensed fluid is back to reactor and is continuing with;S2, using neutralizing tower by containing for being come out from condenser
Hydrogen progress acid-mist-removing purification, wherein, using alkali lye circulated sprinkling water pump spray plus alkali lye, it should add in alkali lye and hydrogen-containing gas
Acid mist neutralize;S3, using deentrainment tower to hydrogen-containing gas carry out demisting processing, retention hydrogen-containing gas in most of vapor;
S4, exhausted air insulated using head water, hydrogen-containing gas enters from head water back cover portion after demisting, is set in level pressure water seal
There is certain water seal liquid level, specific water seal height can be adjusted according to actual operation requirements, it is ensured that before deentrainment tower
System in pressure within the scope of requiring;S5, using Safety water seal, when pressure exceedes and required in the system before deentrainment tower
Scope, then hydrogen-containing gas can enter from level pressure water seal in Safety water seal, wherein, be provided with spark arrester at the top of Safety water seal
Discharge duct and pressure relief opening with safety valve;Under normal operating conditions, hydrogen-containing gas enters hydrogen profit from discharge duct
With in system, terminate to this technique.
Furthermore, in above-mentioned technical proposal, in S2 steps, hydrogen-containing gas enters after neutralizing tower, walks from lower to upper,
Alkali lye circulated sprinkling water pump is sprayed from top to bottom, if being completed in the dried layer packing layer that acid-base neutralization reaction is set in neutralizing tower.
Furthermore, in above-mentioned technical proposal, in S3 steps, the deentrainment tower built with least two layers demisting layer,
Every layer of demisting layer be provided with the vapor in plural PP many-sided balls, hydrogen-containing gas with certain speed by demisting layer when, can be with
PP many-sided balls are collided and hit, and most of vapor is retained down.
Furthermore, in above-mentioned technical proposal, in S5 steps, the hydrogen utilization system includes boiler combustion system
System.
In order to solve the above-mentioned technical problem, present invention employs following second of technical scheme:The acid solution reuse, hydrogen are returned
Receiving unit includes:Condenser, the condenser coupled reaction kettle includes hydrogen, sulfuric acid, phosphoric acid, water with eject reactor
The gas of steam is cooled down, and makes most vapor, acid mist in gas be condensed into liquid by gaseous state, condensed fluid is back to
Reactor is continuing with, and the condenser has cooling water inlet and cooling water outlet;Neutralizing tower, neutralization tower bottom connection condenser;
Deentrainment tower, the demisting tower bottom connects the top of neutralizing tower, and the demisting being spaced apart at least two layers is provided with the deentrainment tower
Layer;Level pressure water seal, the head water back cover portion connects the top of deentrainment tower;Safety water seal, Safety water seal bottom connection head water
The discharge duct with spark arrester and the pressure relief opening with safety valve, the exhaust are provided with the top of the top of envelope, the Safety water seal
Pipeline connects hydrogen utilization system.
Furthermore, in above-mentioned technical proposal, the neutralizing tower is provided with some packing layers for being used to neutralize acid solution, should
It is provided with above packing layer plus alkali lye spray head, alkali lye spray head connection alkali lye circulated sprinkling water pump should be added.
Furthermore, in above-mentioned technical proposal, the demisting layer is provided with plural PP many-sided balls, between the PP many-sided balls
It is formed with gap.
Furthermore, in above-mentioned technical proposal, the hydrogen utilization system includes boiler combustion system.
Furthermore, in above-mentioned technical proposal, the condenser is shell and tube condenser.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art:The present invention passes through
Condenser is connected with reactor, to reclaim acid mist, it is to avoid the wasting of resources.The deentrainment tower that the present invention is set uses physics demisting, nothing
Consumptive material, conveniently, safely, efficiently.The present invention is provided with level pressure water seal, and the water seal liquid level can be adjusted, without complicated automatically controlled system
System, safely, conveniently, safeguards simple, investment, management cost are low.The present invention is provided with Safety water seal, and pressure release is provided with the device
Valve and the exhaust outlet with spark arrester, can convey hydrogen with the hydrogen combustion device of the terminad of safety and stability.
Brief description of the drawings:
Fig. 1 is the structural representation of the present invention.
Embodiment:
With reference to specific embodiments and the drawings, the present invention is further described.
It is shown in Figure 1, it is a kind of acid solution reuse, hydrogen reclaimer, it includes reactor 2, the condensation being sequentially connected
Device 1, neutralizing tower 3, deentrainment tower 4, level pressure water seal 5 and Safety water seal 6.
The condenser 1 is shell and tube condenser, bag of the coupled reaction kettle 2 of condenser 1 so that reactor to be ejected
Gas containing hydrogen, sulfuric acid, phosphoric acid, vapor is cooled down, and makes most vapor, acid mist in gas be condensed by gaseous state
For liquid, condensed fluid is back to reactor and is continuing with, and condensed fluid is back to reactor and is continuing with, it is to avoid acid solution
Waste.The condenser 1 has cooling water inlet 11 and cooling water outlet 12, and the cooling water inlet 11 is connected with cooling water outlet 12, condenses
The connection neutralizing tower of escape pipe 14 in the blast pipe of the coupled reaction kettle 2 of air inlet pipe 13 of device 1, condenser 1, the lower end of condenser 1 is set
The coupled reaction kettle 2 of return duct 15 put.
The bottom of neutralizing tower 3 connects condenser 1;Wherein, the neutralizing tower 3 is provided with some for neutralizing filling out for acid solution
The bed of material 31, the top of packing layer 31 is provided with plus alkali lye spray head 32, should add the connection alkali lye circulated sprinkling of alkali lye spray head 32
Water pump 33.Gas enters after neutralizing tower, walks from lower to upper, has plus alkali lye spray head 32, sprays from top to bottom, acid-base neutralization reaction
Completed in the packing layer of neutralizing tower.
From neutralizing tower come out gas in acid mist be substantially removed, but water vapour content even small water droplet content still compared with
Height is, it is necessary to further demisting processing.Specifically, the bottom of deentrainment tower 4 connects the top of neutralizing tower 3, and the deentrainment tower 4
Inside it is provided with the demisting layer 41 being spaced apart at least two layers;Wherein, the demisting layer 41 is provided with plural PP many-sided balls 411, should
Gap is formed between PP many-sided balls 411.Vapor, by demisting layer, is collided with PP many-sided balls, hit with certain speed
Hit, most of vapor is retained down.
The bottom of level pressure water seal 5 connects the top of deentrainment tower 4.Hydrogen-containing gas is from the bottom of level pressure water seal 5 after demisting
Portion enters, and is provided with certain water seal liquid level in level pressure water seal 5, specific water seal height can be adjusted according to actual operation requirements
Section, it is ensured that pressure is within the scope of requiring in the system before deentrainment tower.When the pressure in system exceedes desired model
Enclose, then hydrogen-containing gas can enter in Safety water seal from level pressure water seal.
The setting of Safety water seal be in order to prevent rear end hydrogen combustion device break down or combustion of hydrogen not in time
When, have influence on the work of front reaction kettle.At the top of the top of the bottom of the Safety water seal 6 connection level pressure water seal 5, the Safety water seal
There is provided the discharge duct 61 with spark arrester 611 and the pressure relief opening 62 with safety valve 621, the discharge duct 61 connection hydrogen
Utilize system.Wherein, the hydrogen utilization system includes boiler combustion system.
A kind of acid solution reuse in the present invention, hydrogen recovery process, it comprises the following steps:
S1, using condenser coupled reaction kettle, and the condenser includes hydrogen, sulfuric acid, phosphorus by what reactor was ejected
Acid, the gas of vapor carry out being cooled to less than 40 degrees Celsius, while most vapor, acid mist are condensed by gaseous state in gas
For liquid, condensed fluid is back to reactor and is continuing with, it is to avoid the waste of acid solution.
S2, the hydrogen-containing gas come out from condenser carried out by acid-mist-removing purification using neutralizing tower, wherein, circulated using alkali lye
Feeding spraying pump spray plus alkali lye, should add alkali lye to be neutralized with the acid mist in hydrogen-containing gas;Wherein, hydrogen-containing gas enters after neutralizing tower,
Walk from lower to upper, alkali lye circulated sprinkling water pump is sprayed from top to bottom, if the dried layer that acid-base neutralization reaction is set in neutralizing tower is filled out
Completed in the bed of material.
S3, using deentrainment tower to hydrogen-containing gas carry out demisting processing, retention hydrogen-containing gas in most of vapor;Its
In, the deentrainment tower is provided with the water in plural PP many-sided balls, hydrogen-containing gas built with least two layers demisting layer, every layer of demisting layer
When steam passes through demisting layer with certain speed, it can collide and hit with PP many-sided balls, most of vapor is trapped down
Come.
S4, exhausted air insulated using head water, hydrogen-containing gas enters from head water back cover portion after demisting, head water
Certain water seal liquid level is provided with envelope, specific water seal height can be adjusted according to actual operation requirements, it is ensured that be removed
Pressure is within the scope of requiring in system before mist tower;
S5, using Safety water seal, when pressure exceedes desired scope in the system before deentrainment tower, then hydrogen-containing gas can be from
Level pressure water seal enters in Safety water seal, wherein, it is provided with the top of Safety water seal and carries the discharge duct of spark arrester and with safety
The pressure relief opening of valve;Under normal operating conditions, hydrogen-containing gas is entered in hydrogen utilization system from discharge duct, to this technique knot
Beam, wherein, the hydrogen utilization system includes boiler combustion system.
In summary, the present invention is connected by condenser with reactor, to reclaim acid mist, it is to avoid the wasting of resources.The present invention
The deentrainment tower of setting use physics demisting, no material consumption, conveniently, safely, efficiently.The present invention is provided with level pressure water seal, the water sealing liquid
Position can be adjusted, and without complicated electric-control system, safely, conveniently, safeguard simple, investment, management cost are low.The present invention is provided with
Relief valve and the exhaust outlet with spark arrester are provided with Safety water seal, the device, can be with the hydrogen of the terminad of safety and stability
Combustion apparatus conveys hydrogen.
Certainly, the foregoing is only the specific embodiment of the present invention, not limit the scope of the present invention, it is all according to
The equivalent change or modification that construction, feature and principle described in scope of the present invention patent are done, all should be included in Shen of the present invention
Please be in the scope of the claims.
Claims (9)
1. a kind of acid solution reuse, hydrogen recovery process, it is characterised in that:Comprise the following steps:
S1, using condenser coupled reaction kettle, and the condenser includes hydrogen, sulfuric acid, phosphoric acid, water by what reactor was ejected
The gas of steam carries out being cooled to less than 40 degrees Celsius, while most vapor, acid mist are condensed into liquid by gaseous state in gas
Body, condensed fluid is back to reactor and is continuing with;
S2, the hydrogen-containing gas come out from condenser carried out by acid-mist-removing purification using neutralizing tower, wherein, using alkali lye circulated sprinkling
Water pump spray plus alkali lye, should add alkali lye to be neutralized with the acid mist in hydrogen-containing gas;
S3, using deentrainment tower to hydrogen-containing gas carry out demisting processing, retention hydrogen-containing gas in most of vapor;
S4, exhausted air insulated using head water, hydrogen-containing gas enters from head water back cover portion after demisting, in level pressure water seal
Certain water seal liquid level is provided with, specific water seal height can be adjusted according to actual operation requirements, it is ensured that deentrainment tower
Pressure is within the scope of requiring in system before;
S5, using Safety water seal, when pressure exceedes desired scope in the system before deentrainment tower, then hydrogen-containing gas can be from level pressure
Water seal enters in Safety water seal, wherein, it is provided with the top of Safety water seal and carries the discharge duct of spark arrester and with safety valve
Pressure relief opening;Under normal operating conditions, hydrogen-containing gas is entered in hydrogen utilization system from discharge duct, is terminated to this technique.
2. a kind of acid solution reuse according to claim 1, hydrogen recovery process, it is characterised in that:It is hydrogeneous in S2 steps
Gas enters after neutralizing tower, walks from lower to upper, alkali lye circulated sprinkling water pump is sprayed from top to bottom, and acid-base neutralization reaction is in neutralizing tower
If being completed in the dried layer packing layer of interior setting.
3. a kind of acid solution reuse according to claim 1, hydrogen recovery process, it is characterised in that:It is described in S3 steps
Deentrainment tower built with least two layers demisting layer, every layer of demisting layer be provided with the vapor in plural PP many-sided balls, hydrogen-containing gas with
When certain speed is by demisting layer, it can collide and hit with PP many-sided balls, most of vapor is retained down.
4. a kind of acid solution reuse according to claim 1, hydrogen recovery process, it is characterised in that:It is described in S5 steps
Hydrogen utilization system includes boiler combustion system.
5. a kind of acid solution reuse, hydrogen reclaimer, it is characterised in that:Including:
Condenser (1), condenser (1) the coupled reaction kettle (2) with by reactor eject include hydrogen, sulfuric acid, phosphoric acid,
The gas of vapor is cooled down, and makes most vapor, acid mist in gas be condensed into liquid, condensed fluid backflow by gaseous state
It is continuing with to reactor, the condenser (1) has cooling water inlet (11) and cooling water outlet (12);
Neutralizing tower (3), neutralizing tower (3) bottom connection condenser (1);
At least two are provided with deentrainment tower (4), the top of deentrainment tower (4) bottom connection neutralizing tower (3), and the deentrainment tower (4)
The demisting layer (41) that layer is spaced apart;
Level pressure water seal (5), the top of level pressure water seal (5) bottom connection deentrainment tower (4);
Band is provided with the top of Safety water seal (6), the top of Safety water seal (6) bottom connection level pressure water seal (5), the Safety water seal
There are the discharge duct (61) of spark arrester (611) and the pressure relief opening (62) with safety valve (621), the discharge duct (61) connection hydrogen
Gas utilizes system.
6. a kind of acid solution reuse according to claim 5, hydrogen reclaimer, it is characterised in that:The neutralizing tower (3) sets
It is equipped with above some packing layers (31) for being used to neutralize acid solution, the packing layer (31) and is provided with plus alkali lye spray head (32), should
Plus alkali lye spray head (32) connection alkali lye circulated sprinkling water pump (33).
7. a kind of acid solution reuse according to claim 5, hydrogen reclaimer, it is characterised in that:The demisting layer (41)
Plural PP many-sided balls (411) are provided with, gap is formed between the PP many-sided balls (411).
8. a kind of acid solution reuse according to claim 5, hydrogen reclaimer, it is characterised in that:The hydrogen utilization system
System includes boiler combustion system.
9. a kind of acid solution reuse according to claim 5, hydrogen reclaimer, it is characterised in that:The condenser (1) is
Shell and tube condenser.
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CN201710366127.9A CN106984060A (en) | 2017-05-22 | 2017-05-22 | A kind of acid solution reuse, hydrogen recovery process and its equipment |
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Cited By (1)
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111232925A (en) * | 2020-04-01 | 2020-06-05 | 常州翊翔炭材科技有限公司 | System for producing hydrogen by using carbon/carbon composite material CVD (chemical vapor deposition) to produce tail gas |
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Application publication date: 20170728 |