CN113069883A - VOCs treatment device and method in ship construction - Google Patents
VOCs treatment device and method in ship construction Download PDFInfo
- Publication number
- CN113069883A CN113069883A CN202110390567.4A CN202110390567A CN113069883A CN 113069883 A CN113069883 A CN 113069883A CN 202110390567 A CN202110390567 A CN 202110390567A CN 113069883 A CN113069883 A CN 113069883A
- Authority
- CN
- China
- Prior art keywords
- vocs
- intelligent
- desorption
- under
- control platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 392
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000003795 desorption Methods 0.000 claims abstract description 102
- 238000001179 sorption measurement Methods 0.000 claims abstract description 63
- 238000005979 thermal decomposition reaction Methods 0.000 claims abstract description 44
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 36
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010457 zeolite Substances 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 34
- 238000002336 sorption--desorption measurement Methods 0.000 claims description 6
- 230000008447 perception Effects 0.000 claims description 5
- 238000007619 statistical method Methods 0.000 claims description 4
- 206010063385 Intellectualisation Diseases 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 208000028659 discharge Diseases 0.000 description 36
- 238000007726 management method Methods 0.000 description 36
- 230000008569 process Effects 0.000 description 14
- 239000003949 liquefied natural gas Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 210000000746 body region Anatomy 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention provides a VOCs treatment device and method in ship construction, which comprises a first VOCs standard adsorption and desorption unit, a second VOCs standard adsorption and desorption unit, an intelligent VOCs tail end treatment equipment control platform, a VOCs concentration sensing switching valve module, a VOCs unorganized emission and collection equipment desorption standard interface module, a zeolite rotating wheel and an RTO thermal decomposition processing unit. The device and the method for treating the VOCs in the ship construction realize the centralization, modularization and intellectualization of the VOCs tail end treatment in the ship construction, greatly reduce the treatment cost and improve the treatment optimization capability.
Description
Technical Field
The invention relates to the technical field of VOCs (Volatile Organic Compounds) treatment, in particular to a VOCs treatment device and method in ship construction.
Background
Common classes of VOCs produced during marine coating include benzene, xylene, tetrachloroethane, isocyanates, and non-methane total hydrocarbons, among others. These substances are organic compounds participating in atmospheric photochemical reaction, are important precursors for forming ozone (O3) and fine particles (PM2.5) pollution, cause huge environmental pollution, and bring inconvenience to people living and daily travel.
Ship painting is a systematic project integrating design, process, technology and management, and runs through the whole process of ship construction. As the marine coating generally adopts VOCs (volatile organic compounds) such as toluene, xylene and alcohols as organic solvents, the substances are main atmospheric pollutants generated in the marine repair and construction industry. In the ship construction industry, the discharge mode of the VOCs can be divided into organized discharge and unorganized discharge, namely, the VOCs generated in the steel plate pretreatment and segmented coating construction process can be subjected to organized discharge treatment, and the VOCs generated in the subsequent dock folding and wharf outfitting stage coating are mainly subjected to unorganized discharge.
At present, "Regenerative Thermal Oxidizer (RTO) Thermal decomposition treatment" and "zeolite wheel + RTO Thermal decomposition treatment" are mainstream solutions for treating the end of VOCs in the field of ship construction. The above scheme effectively solves the problem of organized discharge of VOCs, but the operation cost thereof is always high, and particularly, the cost of Liquefied Natural Gas (LNG) burned to maintain the thermal decomposition temperature in the RTO is a major part of the cost of organized discharge management of VOCs. Meanwhile, a mature solution for treating the unorganized emission of the VOCs is not available, and the balance of the initial investment, the operation cost, the emission reduction effect, the operation stability and the like is difficult to achieve.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention aims to provide a device and a method for treating VOCs in ship construction, which realize the centralization, modularization and intellectualization of the treatment of the tail ends of VOCs in ship construction, greatly reduce the treatment cost, and improve the treatment optimization capability.
In order to achieve the above and other related purposes, the invention provides a device for treating VOCs in ship construction, which comprises a first VOCs standard adsorption and desorption unit, a second VOCs standard adsorption and desorption unit, an intelligent VOCs tail end treatment equipment control platform, a VOCs concentration sensing switching valve module, a VOCs unorganized emission and collection equipment desorption standard interface module, a zeolite rotating wheel and an RTO thermal decomposition processing unit; the first VOCs standard adsorption and desorption unit is connected with the intelligent VOCs terminal treatment equipment control platform and is used for adsorbing VOCs under the condition of organized discharge of low-concentration VOCs and realizing directional ordered desorption of the adsorbed VOCs under the control of the intelligent VOCs terminal treatment equipment control platform; the second VOCs standard adsorption and desorption unit is connected with the intelligent VOCs terminal treatment equipment control platform and is used for adsorbing VOCs under the condition of unorganized VOCs emission and realizing directional ordered desorption of the adsorbed VOCs under the control of the intelligent VOCs terminal treatment control platform; the VOCs concentration sensing switching valve module is connected with the first VOCs standard adsorption and desorption unit and the intelligent VOCs terminal treatment equipment control platform and is used for conveying VOCs desorbed by the first VOCs standard adsorption and desorption unit to the zeolite rotating wheel and the RTO thermal decomposition processing unit under the control of the intelligent VOCs terminal treatment equipment control platform and under the organized discharge working condition of high-concentration VOCs; the VOCs unorganized discharge collection equipment desorption standard interface module is connected with the second VOCs standard adsorption desorption unit and the intelligent VOCs terminal treatment equipment control platform and is used for conveying VOCs desorbed by the second VOCs standard adsorption desorption unit to the zeolite rotating wheel and the RTO thermal decomposition processing unit under the control of the intelligent VOCs terminal treatment equipment control platform and under the condition of organized discharge of high-concentration VOCs; zeolite runner and RTO thermal decomposition processing unit with VOCs concentration perception diverter valve module with VOCs unorganized discharges to collect and equips desorption standard interface module and link to each other, be used for under the control of intelligent VOCs end treatment equipment management and control platform, realize that high concentration VOCs has VOCs end under the organized emission operating mode to manage.
In an embodiment of the invention, the intelligent management and control platform for the VOCs terminal treatment equipment is further used for displaying the operation data of the VOCs treatment device in the ship construction in real time and performing statistical analysis.
In an embodiment of the invention, the first VOCs standard adsorption and desorption unit is disposed in the main body region of the zeolite rotating wheel and the RTO thermal decomposition processing unit, and the second VOCs standard adsorption and desorption unit is disposed in the non-organized VOCs discharge region.
In one embodiment of the present invention, when the concentration of VOCs is less than 70mg/m3And when the VOCs is treated, the intelligent VOCs end treatment equipment controls the first VOCs standard adsorption and desorption unit to adsorb VOCs.
In an embodiment of the invention, when the concentration of the VOCs is greater than or equal to 70mg/m3 and less than or equal to 500mg/m3, the intelligent VOCs end treatment equipment control platform controls the second standard adsorption and desorption unit for desorbing the VOCs.
The invention provides a VOCs treatment method in ship construction, which comprises the following steps:
adsorbing VOCs under the condition of organized discharge of low-concentration VOCs by using a first VOCs standard adsorption and desorption unit;
absorbing VOCs under the condition of unorganized VOCs emission based on a second VOCs standard adsorption and desorption unit;
under the control of the intelligent VOCs terminal treatment equipment control platform, the adsorbed VOCs are directionally and orderly desorbed based on the first VOCs standard adsorption and desorption unit under the organized discharge working condition of the high-concentration VOCs, and the desorbed VOCs are conveyed to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on the VOCs concentration sensing switching valve module;
under the control of the intelligent VOCs terminal treatment equipment control platform, directionally and orderly desorbing VOCs adsorbed by the second VOCs standard adsorption and desorption unit under the condition of organized emission of high-concentration VOCs, and transmitting the desorbed VOCs to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on a VOCs unorganized emission collection equipment desorption standard interface module;
under the control of the intelligent VOCs terminal treatment equipment control platform, the VOCs terminal treatment under the high-concentration VOCs organized discharge working condition is realized based on the zeolite rotating wheel and the RTO thermal decomposition processing unit.
In an embodiment of the invention, the method further comprises displaying the operation data of the VOCs treatment device in the ship construction in real time based on the intelligent VOCs terminal treatment equipment control platform and performing statistical analysis.
In an embodiment of the invention, the first VOCs standard adsorption and desorption unit is disposed in the main body region of the zeolite rotor and the RTO thermal decomposition processing unit, and the second VOCs standard adsorption and desorption unit is disposed in the non-organized VOCs discharge region.
In one embodiment of the present invention, when the concentration of VOCs is less than 70mg/m3And controlling the first VOCs standard adsorption and desorption unit to adsorb VOCs based on the intelligent VOCs terminal treatment equipment control platform.
In an embodiment of the invention, when the concentration of the VOCs is greater than or equal to 70mg/m3 and less than or equal to 500mg/m3, the second VOCs standard adsorption and desorption unit is controlled to perform VOCs desorption based on the intelligent VOCs end treatment equipment control platform.
As described above, the device and the method for treating VOCs in ship construction of the present invention have the following beneficial effects:
(1) the adsorption and desorption integrated unit under the condition of organized treatment of VOCs and low working condition, the adsorption and desorption integrated unit under the condition of unorganized treatment of VOCs and the adsorption-concentration-combustion integrated unit under the condition of organized treatment of VOCs are organically combined and safely operated, so that the tail end discharge treatment of VOCs with low cost and high efficiency under the condition of multiple working conditions is realized;
(2) VOCs collected by the VOCs standard adsorption and desorption unit are fully utilized to replace heat energy generated by LNG combustion, so that the VOCs thermal decomposition temperature in the RTO is maintained, the VOCs organized emission treatment cost is greatly saved, and the problems of high LNG consumption in the collection of multi-working-condition VOCs emission, subsequent thermal decomposition treatment and treatment process in the VOCs tail end treatment of ship construction enterprises in the prior art are solved;
(3) centralized, modularized and intelligent management and control management of VOCs tail end treatment equipment of spatially dispersed ship construction enterprises is realized;
(4) through the integration of VOCs organized emission and unorganized emission treatment equipment in ship construction, the repeated investment of VOCs tail end treatment equipment is avoided, and the existing equipment resources are utilized to the maximum extent;
(5) the intelligent collection and calculation analysis of data in the VOCs treatment process are realized, the targeted VOCs molecular sieve adsorbing material can be iteratively researched and developed according to the data calculation result, the VOCs treatment process is optimized, and meanwhile, the production operation of generating a target source by VOCs is guided according to the analysis data;
(6) the comprehensive capacity of VOCs terminal treatment of ship manufacturing enterprises is greatly improved, the management level and quality of VOCs terminal treatment are improved, the labor cost and the energy consumption cost are systematically reduced, and the VOCs treatment work is more sustainable.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the apparatus for treating VOCs in ship construction according to the present invention;
FIG. 2 is a schematic view of the construction of an embodiment of the apparatus for treating VOCs in ship construction according to the present invention;
FIG. 3 is a schematic view showing the treatment principle of the apparatus for treating VOCs in ship construction according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an intelligent management and control platform for end-point VOCs in an embodiment of the present invention;
FIG. 5 is a flow chart illustrating an embodiment of the method for VOCs remediation during shipbuilding according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
According to the device and the method for treating the VOCs in the ship construction, disclosed by the invention, the adsorption and desorption integrated unit under the low working condition of organized treatment of the VOCs, the adsorption and desorption integrated unit under the unorganized treatment of the VOCs and the adsorption-concentration-combustion integrated unit under the high working condition of organized treatment of the VOCs are organically combined and safely operated, so that the low-cost and high-efficiency tail end emission treatment of the VOCs under the multi-working condition is realized, the centralization, modularization and intellectualization of the tail end treatment of the VOCs in the ship construction are realized, the treatment cost is greatly reduced, the treatment optimization capability is improved, and the practicability is high.
As shown in fig. 1 and fig. 2, in an embodiment of the invention, the device for treating VOCs in shipbuilding includes a first VOCs standard adsorption and desorption unit 1, a second VOCs standard adsorption and desorption unit 2, a VOCs concentration sensing switching valve module 3, a VOCs unorganized emission collection equipment desorption standard interface module 4, a zeolite rotating wheel and RTO thermal decomposition processing unit 5, and an intelligent VOCs end treatment equipment control platform 6.
First VOCs standard adsorption desorption unit 1 is promptly VOCs organizes to administer and adsorbs and desorption integrated unit under the low operating mode, its with intelligent VOCs end is administered and is equipped management and control platform 6 and link to each other for adsorb VOCs under the low concentration VOCs organizes the emission operating mode, and realize the directional ordered desorption of the VOCs who adsorbs under the control of intelligent VOCs end management and control equipment management and control platform 6. Preferably, the first VOCs standard adsorption and desorption unit 1 is disposed in the zeolite runner and the main body region of the RTO thermal decomposition treatment unit. When the concentration of VOCs is less than 70mg/m3During, intelligent VOCs end is administered and is equipped management and control platform 6 control first VOCs standard adsorbs desorption unit 1 and adsorbs VOCs to replace RTO's thermal decomposition to handle, close the burning of LNG, fallThe treatment cost is low.
The second VOCs standard adsorption and desorption unit 2 is the VOCs unorganized treatment adsorption and desorption integrated unit, is connected with the intelligent VOCs terminal treatment equipment control platform 6 and is used for adsorbing VOCs under the condition of unorganized VOCs emission and realizing the directional ordered desorption of the adsorbed VOCs under the control of the intelligent VOCs terminal treatment control platform 6. Preferably, the second VOCs standard adsorption and desorption unit 2 is disposed in a VOCs non-organized discharge area. As shown in fig. 3, when the concentration of VOCs is greater than or equal to 70mg/m3 and less than or equal to 500mg/m3, the intelligent VOCs end management and control platform 6 controls the second VOCs standard adsorption and desorption unit 2 to desorb VOCs, so that the VOCs generate heat, the temperature of the RTO combustion chamber is maintained, the consumption of part of LNG is replaced, the VOCs emission management effectively reaches the relevant standards, and the substantial energy saving and consumption reduction in the operation process of the VOCs management and control equipment are realized.
VOCs concentration perception diverter valve module 3 with first VOCs standard adsorbs desorption unit 1 with the terminal management of intelligent VOCs equips management and control platform 6 and links to each other for switching control is carried out under the control of management and control platform 6 to the terminal management of intelligent VOCs to with when high concentration VOCs organized the emission operating mode VOCs that first VOCs standard adsorbs desorption unit desorption 1 convey to zeolite runner and RTO thermal decomposition processing unit 5. Specifically, when the high-concentration VOCs are in an organized discharge working condition, the zeolite rotating wheel and the RTO thermal decomposition processing unit 5 are required to be adopted for VOCs treatment, so that the VOCs desorbed by the first VOCs standard adsorption and desorption unit 1 are conveyed to the zeolite rotating wheel and the RTO thermal decomposition processing unit 5 for treatment.
VOCs unorganized discharges to collect equip desorption standard interface module 4 with second VOCs standard adsorbs desorption unit 4 with the terminal treatment of intelligent VOCs equips management and control platform 6 and links to each other for under the control of management and control platform 6 is equipped to the terminal treatment of intelligent VOCs, will when high concentration VOCs organized discharge operating mode VOCs the VOCs that second VOCs standard adsorbs desorption unit 2 desorption convey to zeolite runner and RTO thermal decomposition processing unit 5. Specifically, when the high-concentration VOCs are organized to be discharged, the zeolite rotating wheel and the RTO thermal decomposition processing unit 5 are required to be adopted for VOCs treatment, so that the VOCs desorbed by the second VOCs standard adsorption and desorption unit 2 are conveyed to the zeolite rotating wheel and the RTO thermal decomposition processing unit 5 for treatment.
The zeolite rotating wheel and RTO thermal decomposition processing unit 5 is an adsorption-concentration-combustion integrated unit under the high working condition of the organized discharge of the VOCs, is connected with the VOCs concentration sensing switching valve module 3 and the VOCs unorganized discharge collection equipment desorption standard interface module 4, and is used for realizing the terminal treatment of the VOCs under the working condition of the organized discharge of the high-concentration VOCs under the control of the intelligent VOCs terminal treatment equipment control platform 6.
The intelligent VOCs tail end treatment equipment control platform 6 is mainly composed of a marine heavy anti-corrosion coating VOCs component and characteristic database, a VOCs release rule, a simulation database, a directional energy desorption process parameter database, a working condition historical database, a VOCs targeting adsorption material, a VOCs directional energy desorption process, a multi-industry multi-working condition relation database and mass time sequence database fusion system, a VOCs organized emission treatment equipment control platform, a VOCs unorganized emission collection equipment, a 5G remote high-reliability control platform under a strong magnetic strong electric environment, a mechanism and a data driving model and the like. As shown in fig. 4, the intelligent management and control platform 6 for the VOCs end management equipment manages the spatially dispersed VOCs end management equipment of the ship building enterprise in a 5G remote and wired data transmission manner in a unified manner, displays operating data in real time, collects and statistically analyzes the operating data, and obtains related data by combining with a related database, so that the optimal configuration of the VOCs collection management, equipment maintenance, energy consumption, personnel allocation and other items in the coating operation process is realized, and thus the VOCs management device in the ship building of the invention can be operated under the conditions of safety, energy conservation, high efficiency and accordance with the environmental protection requirements, and can meet the coating construction requirements of the production site to the maximum extent. Meanwhile, the intelligent VOCs terminal treatment equipment management and control platform 6 is used for intelligently controlling targeted adsorption and desorption through the unorganized discharge device, monitoring the coordinated work of the organized discharge device and the unorganized discharge device and the real-time working condition of the system, and the like, so that the integration of organized discharge treatment and unorganized discharge treatment is realized.
As shown in fig. 5, in an embodiment, the method for treating VOCs in ship construction of the present invention comprises the following steps:
and step S1, adsorbing the VOCs under the condition of organized discharge of the low-concentration VOCs based on the first VOCs standard adsorption and desorption unit.
Specifically, first VOCs standard adsorption and desorption unit sets up zeolite runner and RTO thermal decomposition processing unit main part region can adsorb VOCs under the low concentration VOCs organized emission operating mode. Wherein, when the concentration of VOCs is less than 70mg/m3During, the terminal management and control of equipping of intelligent VOCs is equipped the control platform control first VOCs standard adsorbs desorption unit and adsorbs VOCs to replace RTO's thermal decomposition to handle, close the burning of LNG, reduced treatment cost.
And step S2, adsorbing the VOCs under the condition of unorganized VOCs emission based on the second VOCs standard adsorption and desorption unit.
Specifically, the second VOCs standard adsorption and desorption unit is arranged in a VOCs non-tissue discharge area. When the concentration of VOCs (volatile organic compounds) is not less than 70mg/m3 and is less than 500mg/m3, the intelligent VOCs tail end treatment equipment control platform controls the second VOCs standard adsorption and desorption unit to desorb the VOCs, so that the VOCs generate heat, the temperature of the RTO combustion chamber is kept, the consumption of partial LNG is replaced, the VOCs emission treatment effectively reaches the relevant standard, and meanwhile, the large-amplitude energy conservation and consumption reduction in the operation process of the VOCs treatment equipment are realized.
And S3, under the control of the intelligent VOCs terminal treatment equipment control platform, realizing the directional ordered desorption of the adsorbed VOCs based on the first VOCs standard adsorption desorption unit under the organized discharge working condition of the high-concentration VOCs, and transmitting the desorbed VOCs to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on the VOCs concentration sensing switching valve module.
Specifically, VOCs concentration perception diverter valve module with first VOCs standard adsorbs desorption unit with the terminal management and control platform of treatment equipment of intelligent VOCs links to each other carry out switching control under the control of management and control platform is equipped to the terminal management of intelligent VOCs to with when high concentration VOCs organized the emission operating mode VOCs that first VOCs standard adsorbs desorption unit desorption convey to zeolite runner and RTO thermal decomposition processing unit.
And S4, under the control of the intelligent VOCs terminal treatment equipment control platform, directionally and orderly desorbing VOCs adsorbed by the second VOCs standard adsorption and desorption unit under the organized discharge working condition of high-concentration VOCs, and conveying the desorbed VOCs to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on the VOCs unorganized discharge collection equipment desorption standard interface module.
Specifically, VOCs unorganized discharges to collect and equips desorption standard interface module with second VOCs standard adsorbs desorption unit with the terminal treatment of intelligent VOCs equips the management and control platform and links to each other intelligent VOCs terminal treatment is equipped under the control of management and control platform, will when high concentration VOCs has organized the emission operating mode VOCs that the second VOCs standard adsorbs desorption unit desorption deliver to zeolite runner and RTO thermal decomposition processing unit.
And S5, under the control of the intelligent VOCs tail end treatment equipment control platform, realizing the VOCs tail end treatment under the condition of organized discharge of high-concentration VOCs based on the zeolite rotating wheel and the RTO thermal decomposition processing unit.
Specifically, zeolite runner and RTO thermal decomposition processing unit with VOCs concentration perception diverter valve module with the VOCs unorganized discharges to collect and equips desorption standard interface module and link to each other intelligent VOCs end is administered and is equipped the control platform's control under, realizes that high concentration VOCs has the terminal treatment of VOCs under the tissue discharge operating mode.
In conclusion, the device and the method for treating the VOCs in the ship construction organically combine and safely operate the adsorption and desorption integrated unit under the low working condition of the organized treatment of the VOCs, the adsorption and desorption integrated unit under the unorganized treatment of the VOCs and the adsorption-concentration-combustion integrated unit under the high working condition of the organized treatment of the VOCs, so that the tail end emission treatment of the VOCs with low cost and high efficiency under the multi-working condition is realized; VOCs collected by the VOCs standard adsorption and desorption unit are fully utilized to replace heat energy generated by LNG combustion, so that the VOCs thermal decomposition temperature in the RTO is maintained, the VOCs organized emission treatment cost is greatly saved, and the problems of high LNG consumption in the collection of multi-working-condition VOCs emission, subsequent thermal decomposition treatment and treatment process in the VOCs tail end treatment of ship construction enterprises in the prior art are solved; centralized, modularized and intelligent management and control management of VOCs tail end treatment equipment of spatially dispersed ship construction enterprises is realized; through the integration of VOCs organized emission and unorganized emission treatment equipment in ship construction, the repeated investment of VOCs tail end treatment equipment is avoided, and the existing equipment resources are utilized to the maximum extent; the intelligent collection and calculation analysis of data in the VOCs treatment process are realized, the targeted VOCs molecular sieve adsorbing material can be iteratively researched and developed according to the data calculation result, the VOCs treatment process is optimized, and meanwhile, the production operation of generating a target source by VOCs is guided according to the analysis data; the comprehensive capacity of VOCs terminal treatment of ship manufacturing enterprises is greatly improved, the management level and quality of VOCs terminal treatment are improved, the labor cost and the energy consumption cost are systematically reduced, and the VOCs treatment work is more sustainable. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a VOCs administers device in shipbuilding which characterized in that: the system comprises a first VOCs standard adsorption and desorption unit, a second VOCs standard adsorption and desorption unit, an intelligent VOCs tail end treatment equipment control platform, a VOCs concentration sensing switching valve module, a VOCs unorganized emission and collection equipment desorption standard interface module, a zeolite rotating wheel and an RTO thermal decomposition processing unit;
the first VOCs standard adsorption and desorption unit is connected with the intelligent VOCs terminal treatment equipment control platform and is used for adsorbing VOCs under the condition of organized discharge of low-concentration VOCs and realizing directional ordered desorption of the adsorbed VOCs under the control of the intelligent VOCs terminal treatment equipment control platform;
the second VOCs standard adsorption and desorption unit is connected with the intelligent VOCs terminal treatment equipment control platform and is used for adsorbing VOCs under the condition of unorganized VOCs emission and realizing directional ordered desorption of the adsorbed VOCs under the control of the intelligent VOCs terminal treatment control platform;
the VOCs concentration sensing switching valve module is connected with the first VOCs standard adsorption and desorption unit and the intelligent VOCs terminal treatment equipment control platform and is used for conveying VOCs desorbed by the first VOCs standard adsorption and desorption unit to the zeolite rotating wheel and the RTO thermal decomposition processing unit under the control of the intelligent VOCs terminal treatment equipment control platform and under the organized discharge working condition of high-concentration VOCs;
the VOCs unorganized discharge collection equipment desorption standard interface module is connected with the second VOCs standard adsorption desorption unit and the intelligent VOCs terminal treatment equipment control platform and is used for conveying VOCs desorbed by the second VOCs standard adsorption desorption unit to the zeolite rotating wheel and the RTO thermal decomposition processing unit under the control of the intelligent VOCs terminal treatment equipment control platform and under the condition of organized discharge of high-concentration VOCs;
zeolite runner and RTO thermal decomposition processing unit with VOCs concentration perception diverter valve module with VOCs unorganized discharges to collect and equips desorption standard interface module and link to each other, be used for under the control of intelligent VOCs end treatment equipment management and control platform, realize that high concentration VOCs has VOCs end under the organized emission operating mode to manage.
2. The apparatus for treating VOCs in shipbuilding according to claim 1, wherein: the intelligent VOCs terminal treatment equipment management and control platform is further used for displaying the operation data of the VOCs treatment device in the ship building in real time and conducting statistical analysis.
3. The apparatus for treating VOCs in shipbuilding according to claim 1, wherein: the first VOCs standard adsorption and desorption unit is arranged in the zeolite rotating wheel and RTO thermal decomposition processing unit main body area, and the second VOCs standard adsorption and desorption unit is arranged in the VOCs unorganized discharge area.
4. The apparatus for treating VOCs in shipbuilding according to claim 1, wherein: when the concentration of VOCs is less than 70mg/m3And when the VOCs is treated, the intelligent VOCs end treatment equipment controls the first VOCs standard adsorption and desorption unit to adsorb VOCs.
5. The apparatus for treating VOCs in shipbuilding according to claim 1, wherein: when the concentration of VOCs (volatile organic compounds) is not less than 70mg/m3 and is less than 500mg/m3, the intelligent VOCs tail end treatment equipment control platform controls the second VOCs standard adsorption and desorption unit to desorb the VOCs.
6. A VOCs treatment method in ship construction is characterized by comprising the following steps: the method comprises the following steps:
adsorbing VOCs under the condition of organized discharge of low-concentration VOCs by using a first VOCs standard adsorption and desorption unit;
absorbing VOCs under the condition of unorganized VOCs emission based on a second VOCs standard adsorption and desorption unit;
under the control of the intelligent VOCs terminal treatment equipment control platform, the adsorbed VOCs are directionally and orderly desorbed based on the first VOCs standard adsorption and desorption unit under the organized discharge working condition of the high-concentration VOCs, and the desorbed VOCs are conveyed to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on the VOCs concentration sensing switching valve module; under the control of the intelligent VOCs terminal treatment equipment control platform, directionally and orderly desorbing VOCs adsorbed by the second VOCs standard adsorption and desorption unit under the condition of organized emission of high-concentration VOCs, and transmitting the desorbed VOCs to the zeolite rotating wheel and the RTO thermal decomposition processing unit based on a VOCs unorganized emission collection equipment desorption standard interface module;
under the control of the intelligent VOCs terminal treatment equipment control platform, the VOCs terminal treatment under the high-concentration VOCs organized discharge working condition is realized based on the zeolite rotating wheel and the RTO thermal decomposition processing unit.
7. The method for treating VOCs in shipbuilding according to claim 6, wherein: the intelligent VOCs terminal treatment equipment management and control platform is used for displaying the operation data of the VOCs treatment device in the ship building in real time and carrying out statistical analysis.
8. The method for treating VOCs in shipbuilding according to claim 6, wherein: and arranging the first VOCs standard adsorption and desorption unit in the main body area of the zeolite rotating wheel and the RTO thermal decomposition processing unit, and arranging the second VOCs standard adsorption and desorption unit in the VOCs unorganized discharge area.
9. The method for treating VOCs in shipbuilding according to claim 6, wherein: when the concentration of VOCs is less than 70mg/m3And controlling the first VOCs standard adsorption and desorption unit to adsorb VOCs based on the intelligent VOCs terminal treatment equipment control platform.
10. The method for treating VOCs in shipbuilding according to claim 6, wherein: and when the concentration of VOCs (volatile organic compounds) is not less than 70mg/m3 and is less than 500mg/m3, controlling the second VOCs standard adsorption and desorption unit to desorb the VOCs based on the intelligent VOCs end treatment equipment control platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390567.4A CN113069883A (en) | 2021-04-12 | 2021-04-12 | VOCs treatment device and method in ship construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110390567.4A CN113069883A (en) | 2021-04-12 | 2021-04-12 | VOCs treatment device and method in ship construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113069883A true CN113069883A (en) | 2021-07-06 |
Family
ID=76617390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110390567.4A Pending CN113069883A (en) | 2021-04-12 | 2021-04-12 | VOCs treatment device and method in ship construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113069883A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998056491A1 (en) * | 1997-06-13 | 1998-12-17 | Engelhard Corporation | A combined concentrator-oxidation system for voc emission control |
| CN104107618A (en) * | 2014-08-07 | 2014-10-22 | 石家庄天龙环保科技有限公司 | Low-concentration large-air-volume waste gas concentration and wind reduction system |
| CN207221633U (en) * | 2017-08-10 | 2018-04-13 | 上海赜羽环保技术有限公司 | A kind of solvent based coating workshop organic waste gas treatment device |
| CN110425554A (en) * | 2019-09-10 | 2019-11-08 | 中国矿业大学(北京) | A kind of selectivity VOCs purification system and operation method |
| CN110567263A (en) * | 2019-09-17 | 2019-12-13 | 上海兰宝环保科技有限公司 | volatile organic compound source control and terminal treatment system |
-
2021
- 2021-04-12 CN CN202110390567.4A patent/CN113069883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998056491A1 (en) * | 1997-06-13 | 1998-12-17 | Engelhard Corporation | A combined concentrator-oxidation system for voc emission control |
| CN104107618A (en) * | 2014-08-07 | 2014-10-22 | 石家庄天龙环保科技有限公司 | Low-concentration large-air-volume waste gas concentration and wind reduction system |
| CN207221633U (en) * | 2017-08-10 | 2018-04-13 | 上海赜羽环保技术有限公司 | A kind of solvent based coating workshop organic waste gas treatment device |
| CN110425554A (en) * | 2019-09-10 | 2019-11-08 | 中国矿业大学(北京) | A kind of selectivity VOCs purification system and operation method |
| CN110567263A (en) * | 2019-09-17 | 2019-12-13 | 上海兰宝环保科技有限公司 | volatile organic compound source control and terminal treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105521705A (en) | Method for treating organic waste gas through low-temperature plasma concerted catalysis | |
| CN101972602B (en) | System for treating organic exhaust gas by adsorptive-catalytic combustion | |
| CN111467885B (en) | Volatile organic compound treatment system and process | |
| CN201899964U (en) | Device for treating organic waste gas with large air volume and low concentration | |
| CN101797476A (en) | Waste gas treatment device and method based on functions of low-temperature plasma and activated carbon | |
| JP4741368B2 (en) | Method and apparatus for using VOC as engine fuel | |
| CN110917806A (en) | Organic waste gas integrated treatment system and combined treatment method | |
| CN113069883A (en) | VOCs treatment device and method in ship construction | |
| CN1219605C (en) | Comprehensive utilization system for garbage burying gas resource | |
| CN1748836A (en) | Organic waste gas purifying processing device | |
| CN211921423U (en) | Industrial hazardous waste tar residue treatment system | |
| CN207413119U (en) | A kind of processing unit of middle low concentration VOCs gases | |
| CN108636110A (en) | The device and method of absorbing synergic low temperature plasma catalysting processing waste gas | |
| CN2817959Y (en) | Organic waste gas purifier | |
| CN104958973A (en) | Small-sized tower-shaped combined waste gas treatment device | |
| CN205235695U (en) | VOCs tail gas absorption - catalytic combustion processing system | |
| CN202289805U (en) | Gas purification tower | |
| CN116139654A (en) | Centralized treatment system for dispersed VOCs emission sources | |
| CN205672785U (en) | A kind of multiphase mixed catalytic oxidation VOCs processing system | |
| CN208003759U (en) | A kind of graphene complex compound catalyst administers the device of volatile organic contaminant | |
| CN114719366B (en) | Low-temperature plasma heat recovery purifier | |
| CN213272641U (en) | Printing trade purifies VOCs's distributed energy system | |
| CN203101985U (en) | Operation control system of destructive distillation sludge device | |
| CN202823130U (en) | Organic waste gas treatment device with high-energy photolysis catalyst technology | |
| CN212492389U (en) | Baking finish house exhaust treatment device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210706 |
|
| RJ01 | Rejection of invention patent application after publication |