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 PDF

Info

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
Authority
CN
China
Prior art keywords
hydrogen
water seal
acid
tower
containing gas
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
Application number
CN201710366127.9A
Other languages
Chinese (zh)
Inventor
戴荣利
荣中国
邓晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Guanbi Environmental Protection Engineering Co ltd
Original Assignee
Dongguan Guanbi Environmental Protection Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Guanbi Environmental Protection Engineering Co ltd filed Critical Dongguan Guanbi Environmental Protection Engineering Co ltd
Priority to CN201710366127.9A priority Critical patent/CN106984060A/en
Publication of CN106984060A publication Critical patent/CN106984060A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30Particle separators, e.g. dust precipitators, using loose filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters 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
    • B01D46/64Filters 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/0072Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with filtration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/52Separation 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

A kind of acid solution reuse, hydrogen recovery process and its equipment
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.
CN201710366127.9A 2017-05-22 2017-05-22 A kind of acid solution reuse, hydrogen recovery process and its equipment Pending CN106984060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710366127.9A CN106984060A (en) 2017-05-22 2017-05-22 A kind of acid solution reuse, hydrogen recovery process and its equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710366127.9A CN106984060A (en) 2017-05-22 2017-05-22 A kind of acid solution reuse, hydrogen recovery process and its equipment

Publications (1)

Publication Number Publication Date
CN106984060A true CN106984060A (en) 2017-07-28

Family

ID=59420719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710366127.9A Pending CN106984060A (en) 2017-05-22 2017-05-22 A kind of acid solution reuse, hydrogen recovery process and its equipment

Country Status (1)

Country Link
CN (1) CN106984060A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007098320A (en) * 2005-10-06 2007-04-19 Sasakura Engineering Co Ltd Enrichment apparatus and neutralizing method
CN101475144A (en) * 2008-12-11 2009-07-08 北京钨钼材料厂 Hydrogen gas recovery device and system
US20140262736A1 (en) * 2013-03-13 2014-09-18 National Engineering Research Center of Drying Technology and Equipment Method and device for recycling water vapor evaporated from coal drying with vacuum condensing process
CN104740986A (en) * 2013-12-27 2015-07-01 江苏立宇环境科技有限公司 Hydrolysis treatment process for organosilicon slurry residue
CN105268296A (en) * 2015-10-27 2016-01-27 天津万广科技有限公司 Acid mist purifying tower
CN105293438A (en) * 2015-11-24 2016-02-03 宜昌南玻硅材料有限公司 Method and device for circulating hydrogen repurification
CN106076102A (en) * 2016-08-16 2016-11-09 金川集团股份有限公司 A kind of process condenses the device and method of nitrogen oxides in acid
CN106621768A (en) * 2016-12-20 2017-05-10 亚太环保股份有限公司 Ammonia process of desulfurization integral purification device and method for acid gas sulfur recovery tail gas
CN206793087U (en) * 2017-05-22 2017-12-26 东莞市莞碧环保工程有限公司 A kind of acid solution reuse, hydrogen reclaimer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007098320A (en) * 2005-10-06 2007-04-19 Sasakura Engineering Co Ltd Enrichment apparatus and neutralizing method
CN101475144A (en) * 2008-12-11 2009-07-08 北京钨钼材料厂 Hydrogen gas recovery device and system
US20140262736A1 (en) * 2013-03-13 2014-09-18 National Engineering Research Center of Drying Technology and Equipment Method and device for recycling water vapor evaporated from coal drying with vacuum condensing process
CN104740986A (en) * 2013-12-27 2015-07-01 江苏立宇环境科技有限公司 Hydrolysis treatment process for organosilicon slurry residue
CN105268296A (en) * 2015-10-27 2016-01-27 天津万广科技有限公司 Acid mist purifying tower
CN105293438A (en) * 2015-11-24 2016-02-03 宜昌南玻硅材料有限公司 Method and device for circulating hydrogen repurification
CN106076102A (en) * 2016-08-16 2016-11-09 金川集团股份有限公司 A kind of process condenses the device and method of nitrogen oxides in acid
CN106621768A (en) * 2016-12-20 2017-05-10 亚太环保股份有限公司 Ammonia process of desulfurization integral purification device and method for acid gas sulfur recovery tail gas
CN206793087U (en) * 2017-05-22 2017-12-26 东莞市莞碧环保工程有限公司 A kind of acid solution reuse, hydrogen reclaimer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Similar Documents

Publication Publication Date Title
CN207169397U (en) Oxirane exhaust treatment system
CN106731482A (en) A kind of industrial blast-furnace gas hydrogen chloride Gas recovering method and device
RU2015144714A (en) Absorption of Phosphorus by Hydration and Reduction of Fluorine during Firing in a Furnace for the Production of Phosphoric Acid
CN106268195A (en) A kind of ammonia absorption tower device of the ammonia in high efficiente callback waste gas
CN207042222U (en) Chlorine dioxide gaseous oxidation denitration integrated device
CN101569823B (en) Method for recycling hydrochloric acid pickling waste gas
CN106395750B (en) A kind of chlorine gas treatment process of acidic etching waste liquid copper recovery system
CN206793087U (en) A kind of acid solution reuse, hydrogen reclaimer
CN106984060A (en) A kind of acid solution reuse, hydrogen recovery process and its equipment
CN202146695U (en) Gas-phase silicon dioxide tail gas treatment system
CN110360577A (en) A kind of processing system of liquid waste incineration containing chlorine
CN206566729U (en) Nitrous oxides exhaust gas high-efficient treatment device when iron oxide pigment is produced
CN207324479U (en) A kind of concurrent-countercurrent desulfation dust-extraction device
CN105126514A (en) Graphite purification tail gas treatment apparatus and graphite purification tail gas treatment process
CN203017955U (en) Multistage circulation system for flue gas treatment
CN104492105A (en) Method for evaporating liquid ammonia by virtue of waste heat of tail gas from granulation of diammonium phosphate
CN208139291U (en) A kind of exhaust gas processing device of waste gas containing fluoride
CN110345496A (en) A kind of chemical waste liquid burned waste gas processing system
CN206980393U (en) A kind of filler spray column of improved multistage dedusting
CN206935095U (en) A kind of nitrate method phosphoric acid tail gas defluorinate denitration process system
CN207287062U (en) A kind of exhaust gas processing device prepared using fluosilicic acid during anhydrous hydrogen fluoride
CN102872693A (en) Processing method of waste nitric acid fume and device thereof
CN208082202U (en) A kind of ammonia exhaust treatment system
CN106621719A (en) Fluorine-containing sintering/pellet flue gas treatment method and system
CN108246052A (en) A kind of solid waste flue gas removes acid tower with wet type

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 523000 Unit 603, 6th Floor, Jinhui Business Building, No. 6 Shengjian Road, Nancheng Street, Dongguan City, Guangdong Province

Applicant after: DONGGUAN GUANBI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD.

Address before: 523000 Unit 603, 6th Floor, Jinhui Business Building, No. 6 Shengjian Road, Nancheng Street, Guangzhou City, Guangdong Province

Applicant before: DONGGUAN GUANBI ENVIRONMENTAL PROTECTION ENGINEERING CO.,LTD.

CB02 Change of applicant information
RJ01 Rejection of invention patent application after publication

Application publication date: 20170728