CN113457368A - Asphalt flue gas concentration device, system and method - Google Patents
Asphalt flue gas concentration device, system and method Download PDFInfo
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- 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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/04—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 stationary adsorbents
-
- 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
- B01D53/04—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 stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0438—Cooling or heating systems
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- 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
- B01D53/04—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 stationary adsorbents
- B01D53/0454—Controlling adsorption
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- 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
- B01D53/30—Controlling by gas-analysis apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40003—Methods relating to valve switching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an asphalt flue gas concentration device, an asphalt flue gas concentration system and an asphalt flue gas concentration method, wherein the asphalt flue gas concentration device comprises an adsorption/desorption module, the adsorption/desorption module comprises a box body and an adsorption material arranged in the box body, a VOC input valve, a clean air output valve, a desorption hot gas input valve and a concentrated VOC output valve are connected to the box body, the VOC input valve and the concentrated VOC output valve are positioned on one side of the adsorption material, and the clean air output valve and the desorption hot gas input valve are positioned on the other side of the adsorption material; the utility model provides a enrichment facility can realize automatic switch-over absorption, operation processes such as desorption, cooling through the switching of valve, can change big wind volume low concentration pitch flue gas into the flue gas of the high concentration of little wind volume, reduces the influence to burning-stoving-dust pelletizing system.
Description
Technical Field
The invention relates to the technical field of asphalt mixture stirring equipment, in particular to an asphalt flue gas concentration device, system and method.
Background
The asphalt mixture stirring equipment is complete equipment for stirring a mixture of coarse aggregates, fine aggregates, powder, asphalt and the like which are heated and dried at a certain temperature into a uniform mixture according to a designed mixing ratio, and is widely applied to infrastructure construction of expressways, urban roads, docks, airports and the like. Along with the continuous development of society, environmental problems are increasingly highlighted, the country pays more and more attention to environmental protection, environmental protection policy strength is unprecedented, stricter requirements are put forward on the emission of asphalt mixing equipment, the problems of dust and asphalt smoke emission in the production process flow of asphalt mixtures are paid more and more attention, the main components comprise asphalt smoke oil drops, gaseous carcinogenic malodorous VOC (volatile organic Compounds), dust, smoke particulate matters and the like, and in order to prevent the asphalt smoke dust from harming the health of people and polluting the surrounding environment, the asphalt smoke dust must be effectively restrained, and the air quality of the surrounding environment is improved.
At present, asphalt smoke dust purification of asphalt mixture stirring equipment is still in a groping stage, and some measures adopted at the present stage still have a series of problems. For example, patent No. 201710291362.4 proposes an asphalt fume and dust treatment device and a treatment method thereof for an asphalt stirring particle size station, wherein a cyclone dust collector mainly purifies particles with particle sizes of more than 75 μm, and the purification effect on small-particle-size particles is not obvious; the recovered flue gas entering the combustor has large flue gas air volume (about 30000m 3/h) which is close to the air volume of a blower (model 3000 mixing station 24000m3/h, model 4000 mixing station 32000m3/h and model 5000 mixing station 40400m 3/h), even a small-sized mixing station can generate the phenomenon of being larger than the air volume of the blower, the original combustion-drying-dust removal system is damaged, and through experimental tests, the problem that the emission of atmospheric pollutants such as particulate matters, VOC and the like exceeds the standard can be caused after the large-air-volume flue gas is introduced into a drying cylinder.
The asphalt mixing plant capable of discharging dust and smoke in an organized manner, which is provided by the patent No. 201520127745.4, directly introduces the recycled asphalt smoke into a combustor, and has the problem that the introduction of large-air-volume smoke destroys an original combustion-drying-dedusting system like the patent No. 201710291362.4.
Patent No. 201521010137.6 provides an asphalt mixing plant mixing system blowing dust and pitch cigarette remove device, the pitch flue gas of retrieving introduces independent pitch cigarette reburning ware, though avoided introducing the drying roller and a series of problems that arouse, but additionally set up an independent combustor, the equipment input cost has been increased, later stage equipment operation process, it is combustion-supporting still to need the continuous gas that provides, increase fortune dimension expense, the heat energy that the burning produced simultaneously does not utilize, cause the energy extravagant.
Disclosure of Invention
The invention aims to provide an asphalt flue gas concentration device, system and method, which aim to solve the problem that the combustion-drying-dedusting effect of the original system is damaged by high-air-volume flue gas in the prior art.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
an asphalt flue gas concentration device comprises an adsorption/desorption module, wherein the adsorption/desorption module comprises a box body and an adsorption material arranged in the box body, a VOC input valve, a clean air output valve, a desorption hot gas input valve and a concentrated VOC output valve are connected to the box body, the VOC input valve and the concentrated VOC output valve are positioned on one side of the adsorption material, and the clean air output valve and the desorption hot gas input valve are positioned on the other side of the adsorption material;
the VOC input valve and the clean air output valve are both configured to be opened when the input VOC gas concentration is greater than a set threshold; and is turned off when the ratio of the output VOC gas concentration/the input VOC gas concentration is less than a set threshold;
the desorption hot gas input valve and the concentrated VOC output valve are both configured to be opened when the ratio of the output VOC gas concentration/the input VOC gas concentration is less than a set threshold value and the opening time of the VOC input valve is greater than the set threshold value; and is turned off when the difference in VOC gas concentration per minute is less than a set threshold.
Further, the adsorption/desorption modules are multiple;
every the VOC input valve of absorption/desorption module all is connected through VOC input branch pipeline and VOC input main pipeline, every the clean air output valve of absorption/desorption module all is connected through output clean air branch pipeline and output clean air main pipeline, every the desorption steam input valve of absorption/desorption module all is connected through desorption steam branch pipeline and desorption steam main pipeline, every the concentrated VOC output valve of absorption/desorption module all is connected through concentrated VOC branch pipeline and concentrated VOC main pipeline.
The system further comprises a first VOC monitoring unit connected to the VOC input branch pipeline and the VOC input main pipeline, wherein the first VOC monitoring unit is used for monitoring the VOC gas concentration in the VOC input main pipeline and each VOC input branch pipeline;
the second VOC monitoring unit is connected to the clean air output branch pipeline and the clean air output main pipeline and is used for monitoring the concentration of VOC gas in each clean air output branch pipeline and each clean air output main pipeline;
connect and be in the third VOC monitoring unit on concentrated VOC lateral conduit and the concentrated VOC main line, third VOC monitoring unit is used for monitoring each concentrated VOC lateral conduit and the VOC gas concentration of concentrated VOC main line.
The controller is in signal connection with the first VOC monitoring unit, the second VOC monitoring unit and the third VOC monitoring unit respectively;
the controller is used for controlling the opening and closing of the VOC input valve, the clean air output valve, the desorption hot air input valve and the concentrated VOC output valve according to monitoring results of the first VOC monitoring unit, the second VOC monitoring unit and the third VOC monitoring unit.
The invention also discloses an asphalt flue gas concentration system, which comprises:
the smoke dust collecting device is used for recovering asphalt smoke;
the pretreatment device is connected with the smoke dust collecting device and is used for treating the recycled asphalt flue gas to obtain VOC gas and inputting the VOC gas into any one of the concentration devices;
the concentration device is connected with the pretreatment device and used for monitoring the input VOC gas and the clean VOC gas output after being treated by the concentration device, and switching the adsorption, desorption and cooling operation processes according to the monitoring result so as to output the concentrated VOC gas;
and the post-treatment device is connected with the concentration device and is used for burning and treating the concentrated VOC gas and discharging the concentrated VOC gas.
Furthermore, the post-treatment device comprises a combustion chamber, a drying roller, a dust remover, an induced draft fan and a chimney which are sequentially communicated, wherein the combustion chamber is communicated with the concentration device;
the dust remover with be equipped with the heat exchanger that has self-heating function between the draught fan, heat exchanger with enrichment facility is connected, heat exchanger be used for to enrichment facility provides steam.
Furthermore, the smoke and dust trapping devices are multiple and are respectively connected with the pretreatment device through conveying pipelines.
The invention also discloses an asphalt flue gas concentration method, which comprises the following steps:
recovering asphalt smoke;
treating the recovered asphalt flue gas to obtain VOC gas, and inputting the VOC gas into any one of the concentration devices;
monitoring the input VOC gas and the clean VOC gas output after being processed by the concentration device, and switching the adsorption, desorption and cooling operation processes according to the monitoring result to output the concentrated VOC gas;
and (4) burning the concentrated VOC gas and discharging.
Further, monitoring the input VOC gas and the output VOC gas after being processed by the concentration device, and switching the processes of adsorption, desorption and cooling according to the monitoring result comprises the following steps:
monitoring the concentration of VOC gas in a VOC input main pipeline of the concentration device, and calculating the opening number of adsorption/desorption modules according to the concentration of the VOC gas;
opening VOC input valves and corresponding clean air output valves in the adsorption/desorption modules in corresponding quantity, and obtaining the opening time of the VOC input valves and the clean air output valves;
monitoring the concentration of VOC gas in the VOC input branch pipeline connected with the opened VOC input valve and the concentration of VOC gas in the corresponding output clean air branch pipeline;
judging the ratio of the output VOC gas concentration to the input VOC gas concentration; if the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value and the opening time of the VOC input valve is smaller than the set threshold value, closing the VOC input valve and the clean air output valve and prompting to overhaul;
if the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value and the opening time of the VOC input valve is larger than the set threshold value, closing the VOC input valve and the clean air output valve and opening the corresponding desorption hot gas input valve and the corresponding concentrated VOC output valve;
monitoring the concentration of the concentrated VOC branch conduit;
and when the difference of the VOC gas concentration per minute is less than a set threshold value, closing the desorption hot gas input valve and the concentrated VOC output valve.
Further, treating the recovered asphalt flue gas comprises: and sequentially carrying out oil separating disc centrifugal demisting treatment, electrostatic oil removal treatment, polyester fiber filter cotton filtering treatment and calcium oxide dehumidification treatment on the recovered asphalt smoke.
According to the technical scheme, the embodiment of the invention at least has the following effects:
1. according to the adsorption/desorption module designed by the concentrating device, when the concentration of the input VOC gas is greater than a set threshold value, the VOC input valve and the clean air output valve are opened to realize the adsorption operation process; when the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value, closing the VOC input valve and the clean air output valve; when the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value and the opening time of the VOC input valve (31) is larger than the set threshold value, a desorption hot gas input valve and a concentrated VOC output valve are opened to realize a desorption operation process; when the difference of the VOC gas concentration per minute is less than a set threshold value, closing the desorption hot gas input valve and the concentrated VOC output valve to realize the cooling operation process;
2. the asphalt flue gas concentration device designed by the application comprises a plurality of adsorption/desorption modules, adopts a modular design, has small occupied area, low cost and small investment, is beneficial to stock preparation and distribution of manufacturers, user maintenance and local equipment maintenance, does not need to be stopped, and does not influence the long-term continuous operation of an asphalt mixing station;
3. the concentration system utilizes the original burner in the post-treatment device to support combustion, reduces the waste of resources for additionally ventilating and supporting combustion, and improves the utilization rate of equipment;
4. according to the concentration system, the heat exchanger with the self-heating function is arranged in the post-treatment device, hot gas used by the system during working comes from the heat exchanger, the heat energy of the hot gas is mainly recycling of the residual temperature of the tail gas of the system, energy is saved, the system is green and environment-friendly, and when the residual temperature of the tail gas is insufficient, the heat exchanger can provide the hot gas, so that the operation reliability of the system is ensured;
5. according to the concentration system, the asphalt flue gas with large air volume and low concentration is converted into the flue gas with small air volume and high concentration after being treated by the adsorption/desorption module, the air volume is compressed by 10-20 times, even 30 times, and the influence on the combustion-drying-dedusting system is greatly reduced;
6. the application utilizes the combustion means to treat the asphalt flue gas, and has the advantages of high purification efficiency, thorough treatment of malodorous and carcinogenic pollutants and the like.
7. According to the concentration method provided by the application, the recovered asphalt smoke is sequentially subjected to oil separating disc centrifugal demisting treatment, electrostatic oil removal treatment, polyester fiber filter cotton filtering treatment and calcium oxide dehumidification treatment, so that particles such as dust, oil drops and water vapor in the asphalt smoke are removed, the service lives of the concentration device and the concentration system are effectively prolonged, and the maintenance cost is reduced;
8. according to the concentration method provided by the application, a plurality of smoke trapping devices are designed to trap and recover the asphalt smoke dissipated in the production process flow of the asphalt mixture, so that the problem of inorganization emission of the asphalt smoke is effectively controlled.
Drawings
FIG. 1 is a schematic view of a thickening apparatus;
FIG. 2 is a schematic view of an adsorption/desorption module of the concentrating device according to the present invention;
FIG. 3 is a schematic view of a concentration system of the present invention;
FIG. 4 is a flow chart showing the pretreatment of the present invention;
FIG. 5 is a flow chart of an automated control method in flue gas treatment according to the present invention.
Wherein: 1. a VOC input main pipeline; 2. the VOC is input into a branch pipeline; 3. an adsorption/desorption module; 4. outputting a clean air branch pipeline; 5. a main clean air output pipeline; 6. a desorption hot gas main pipeline; 7. desorbing the hot gas branch pipeline; 8. a branch pipeline for concentrating VOC; 9. a concentrated VOC main conduit; 31. a VOC input valve; 32. a clean air output valve; 33. a desorption hot gas input valve; 34. a concentrated VOC output valve; 35. adsorbing material; 36. and (4) a box body.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The invention provides a device, a system and a method for concentrating asphalt flue gas, wherein the concentrating device with a module design can automatically switch the operation processes of adsorption, desorption, cooling and the like by monitoring input and output flue gas; the intelligent degree is high, the modular design, the floor area is small, the cost is low, the investment is small, the equipment is favorable for the stock preparation and the distribution of manufacturers, the maintenance of users and the local maintenance of equipment, the shutdown is not needed, and the long-term continuous operation of the asphalt mixing station is not influenced. The concentrated combustion method converts the high-air-volume and low-concentration asphalt flue gas into the low-air-volume and high-concentration flue gas, and then introduces the low-air-volume flue gas into an air blower or a drying cylinder for combustion treatment, the process can compress the recovered flue gas by 10-20 times, even 30 times, greatly reduces the influence on a combustion-drying-dust removal system, has the advantages of high purification efficiency, thorough treatment of malodorous and carcinogenic pollutants and the like, simultaneously utilizes the original burner for combustion supporting, reduces the waste of resources for extra ventilation and combustion supporting, and utilizes the heat released in the combustion and purification process.
The following describes embodiments of the present invention with reference to the drawings.
Example 1
The asphalt flue gas concentration device provided by the invention is shown in fig. 1 and fig. 2, and comprises a first VOC input main pipeline (corresponding to a VOC input main pipeline 1 in the figure), a second VOC input branch pipeline (corresponding to a VOC input branch pipeline 2 in the figure), an adsorption/desorption module 3, a clean air output branch pipeline 4, a clean air output main pipeline 5, a hot gas desorption main pipeline 6, a hot gas desorption branch pipeline 7, a concentrated VOC branch pipeline 8, a concentrated VOC main pipeline 9, a control system and the like, wherein the control system is mainly responsible for realizing automatic control logic of operations such as adsorption, desorption, cooling and the like.
The adsorption/desorption module 3 is a core device of the concentration system, and mainly comprises a VOC input valve 31, a clean air output valve 32, a desorption hot gas input valve 33, a concentrated VOC output valve 34, an adsorption material 35, a tank 36 and the like. As shown in fig. 2, the VOC input valve 31 and the concentrated VOC output valve 34 are communicated at the left side of the tank 36, and the clean air output valve 32 and the desorption hot gas input valve 33 are communicated at the right side of the tank 36.
The asphalt flue gas concentration device provided by the invention comprises a plurality of adsorption/desorption modules 3, wherein each adsorption/desorption module 3 is a relatively independent module and can undergo the cycle process of adsorption, desorption, cooling and re-adsorption. The automatic control logic automatically realizes the on-off matching of each valve, thereby realizing the switching of operations such as adsorption, desorption, cooling and the like. The adsorbent 35 may be various adsorbents such as activated carbon and zeolite. The box 36 is used for loading the adsorbing material 35, is connected with each pipeline through each valve, and provides places for operations such as adsorption, desorption, cooling and the like. The adsorption/desorption modules 3 can be freely assembled and fully adapt to various working conditions on the site of the mixing station.
The first VOC monitoring unit (VOC monitoring unit 1 in the corresponding diagram) is responsible for monitoring the concentration of VOC flue gas in the first VOC input main pipeline and each module second VOC input branch pipeline, the wind speed, the wind volume, the wind pressure, the temperature, the humidity and other flue gas property parameters, the second VOC monitoring unit (VOC monitoring unit 2 in the corresponding diagram) is responsible for monitoring the property parameters of the VOC flue gas in each module output clean air branch pipeline 4 and the main pipeline 5, and the third VOC monitoring unit (VOC monitoring unit 3 in the corresponding diagram) is responsible for monitoring the VOC flue gas property parameters of the desorption module concentrated VOC branch pipeline 8 and the main pipeline 9.
In the device, control system can be the controller, and controller and first VOC monitoring unit, second VOC monitoring unit and third VOC monitoring unit signal connection receive first VOC monitoring unit, second VOC monitoring unit and third VOC monitoring unit's monitoring result, control VOC input valve 31, clean air output valve 32, desorption steam input valve 33, concentrated VOC output valve 34 after carrying out the analysis to the result of receiving and open and close.
When the controller acquires that the concentration of the input VOC gas is greater than a set threshold value, the VOC input valve 31 and the clean air output valve 32 are opened. When the controller obtains that the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value, the VOC input valve and the clean air output valve are closed; when the ratio of the output VOC gas concentration/the input VOC gas concentration acquired by the controller is smaller than a set threshold value and the opening time of the VOC input valve 31 is longer than the set threshold value, the controller opens the desorption hot gas input valve and the concentrated VOC output valve. The controller obtains when the difference of every minute VOC gas concentration is less than the settlement threshold value, and the controller closes desorption steam input valve and concentrated VOC output valve.
This enrichment facility intelligent degree is high, through the monitoring to input, input flue gas, can automatic switch over operation processes such as absorption, desorption, cooling. The high-air-volume low-concentration asphalt flue gas can be converted into the low-air-volume high-concentration flue gas, and the influence on a combustion-drying-dedusting system is reduced.
The adsorption/desorption module mainly comprises a VOC input valve, a clean air output valve, a desorption hot gas input valve, a concentrated VOC output valve, an adsorption material, a box body and the like, and a plurality of adsorption/desorption modules can be freely assembled to meet the requirements of a mixing station site on floor area. The enrichment facility mainly includes constitutions such as VOC input main line, VOC input branch pipeline, absorption/desorption module, output clean air branch pipeline, output clean air main line, desorption hot gas branch pipeline, concentrated VOC main line and control system, and control system realizes the cooperation of opening and close of each valve automatically to realize the switching of operations such as absorption, desorption, cooling. The method can automatically monitor the property parameters of the input, output and desorption concentrated flue gas of the VOC flue gas, and judge whether the adsorption is saturated or the adsorption material is invalid by comparing the ratio relation of the VOC concentrations of the input and output flue gases; judging whether the desorption is complete or not by comparing the concentration change values of the concentrated VOC flue gas in unit time; thereby automatically controlling the opening and closing of the valve and realizing the automatic switching of the adsorption, desorption and cooling operations.
Example 2
As shown in fig. 1 to 4, the present embodiment provides an asphalt flue gas concentration system, which includes the asphalt flue gas concentration device in embodiment 1. This system mainly includes first smoke and dust entrapment device (smoke and dust entrapment device 1 in the map), second smoke and dust entrapment device (smoke and dust entrapment device 2 in the map), pipeline 1, pipeline 2, pretreatment systems, draught fan 3, draught fan 2, the pitch flue gas enrichment facility in heat exchanger and the embodiment 1, and the original combustor of pitch mixing station, drying drum, the dust remover, draught fan 1 and chimney, heat exchanger is newly-increased device between dust remover and draught fan 1 in original dust pelletizing system, can make full use of the waste heat of dust removal flue gas, provide desorption steam for the enrichment system, this heat exchanger has self-heating function, when the residual heat energy of flue gas is not enough, can heat by oneself, guarantee the sufficient supply of desorption steam.
The core production process flow of the asphalt mixture stirring equipment comprises the following steps: the feeding and conveying system of the cold aggregate continuously conveys the primarily-prepared cold aggregate to the drying system, the drying system and the dust removal system provide a core material of a mixture, namely the hot aggregate for equipment, the hot aggregate is conveyed to a vibrating screen on the uppermost layer of the main building through the hot aggregate lifting system, the sorted hot aggregate is respectively stored in each aggregate bin according to the particle size, the hot aggregate, the asphalt and the mineral powder are respectively metered and added into the stirring pot, and the stirred finished product material is stored in a finished product bin to wait for the emptying and transportation of a loading and unloading vehicle. In the whole production process flow, main dissipation points of asphalt smoke are concentrated in the heating process of an asphalt and heavy oil storage tank and the stirring, storing and discharging processes of a mixture.
The smoke and dust entrapment device is used for collecting the pitch flue gas of loss point, guarantees the effect that the loss point was collected, and the quantity of smoke and dust entrapment device also can be three, four etc. and this embodiment explains with two.
The first smoke and dust trapping device is responsible for collecting asphalt flue gas dissipated in the heating process of the asphalt and heavy oil storage tank, the recovered asphalt flue gas is conveyed to the pretreatment system through the conveying pipeline 1, the second smoke and dust trapping device is responsible for collecting asphalt flue gas dissipated in the stirring, storing and discharging processes of the asphalt mixture, and the recovered asphalt flue gas is conveyed to the pretreatment system through the conveying pipeline 2. The pretreatment system comprises multi-stage pretreatment measures, asphalt smoke entering the pretreatment system is subjected to primary pretreatment-oil separation disc centrifugal demisting treatment to remove most of large-particle asphalt smoke oil drops and water drops in the smoke, then subjected to secondary pretreatment-electrostatic oil removal treatment to remove main large-particle asphalt smoke oil drops, water drops and partial small-particle liquid drops, subjected to tertiary pretreatment-polyester fiber filter cotton filtering treatment to remove most of particle liquid drops in the asphalt smoke, and finally subjected to four-stage pretreatment-calcium oxide dehumidification treatment to remove water vapor in the smoke, so that the phenomenon that a large amount of water vapor enters the concentration system to influence the adsorption effect and the service life of an adsorption part is avoided. After the asphalt flue gas is pretreated, a relatively dry gaseous VOC gas is finally obtained and is introduced into the flue gas inlet of the concentration device in the embodiment 1 through the induced draft fan 3.
After being treated by the concentration device in the embodiment 1, the asphalt smoke with large air volume and low concentration is converted into smoke with small air volume and high concentration or clean VOC gas, and then the smoke with small air volume is introduced into a blower or a drying cylinder for combustion treatment.
Specifically, the large-air-volume low-concentration asphalt flue gas entering the concentration device is absorbed and then converted into clean air, and the clean air is directly introduced into a chimney through the induced draft fan 2 and then discharged. The large air volume and low concentration asphalt flue gas entering the concentration device is converted into small air volume and high concentration flue gas after desorption, and the flue gas is introduced into a chimney through a draught fan 1 and discharged after being treated by a combustion chamber, a drying roller, a dust remover, a heat exchanger and the like.
Example 3
As shown in fig. 1 to fig. 5, the present embodiment provides a method for concentrating asphalt flue gas, which is implemented based on the concentration system in embodiment 2, and specifically includes the following processes.
And collecting asphalt flue gas dissipated in the heating process of the asphalt and heavy oil storage tank, and conveying the recovered asphalt flue gas to a pretreatment system for pretreatment through a conveying pipeline 1. The second smoke and dust trapping device is responsible for collecting asphalt flue gas dissipated in the asphalt mixture stirring, storing and discharging processes, and the recovered asphalt flue gas is conveyed to the pretreatment system through the conveying pipeline 2 for pretreatment.
The pretreatment system comprises multi-stage pretreatment measures, asphalt smoke entering the pretreatment system is subjected to primary pretreatment-oil separation disc centrifugal demisting treatment to remove most of large-particle asphalt smoke oil drops and water drops in the smoke, then subjected to secondary pretreatment-electrostatic oil removal treatment to remove main large-particle asphalt smoke oil drops, water drops and partial small-particle liquid drops, subjected to tertiary pretreatment-polyester fiber filter cotton filtering treatment to remove most of particle liquid drops in the asphalt smoke, and finally subjected to four-stage pretreatment-calcium oxide dehumidification treatment to remove water vapor in the smoke, so that the phenomenon that a large amount of water vapor enters the concentration system to influence the adsorption effect and the service life of an adsorption part is avoided. After the asphalt flue gas is pretreated, a relatively dry gaseous VOC gas is finally obtained and is introduced into the flue gas inlet of the concentration device in the embodiment 1 through the induced draft fan 3.
The concentration device treats the entering smoke and specifically comprises the following processes:
step 1, introducing the relatively dry gaseous VOC gas pretreated by the pretreatment system into a first VOC input main pipeline through an induced draft fan 3, wherein a first VOC monitoring unit is responsible for monitoring flue gas property parameters such as concentration, wind speed, wind volume, wind pressure, temperature and humidity of the VOC flue gas in the first VOC input main pipeline, and determining the number of adsorption modules according to the monitored flue gas property parameters.
And 3, monitoring VOC flue gas property parameters of the VOC input branch pipeline of each module by the first VOC monitoring unit, and monitoring VOC flue gas property parameters of the VOC corresponding output clean air branch pipeline of each module by the VOC monitoring module 2.
And 5, if the module is judged to be yes, closing the VOC input valve 31 and the clean air output valve 32, opening the desorption hot gas input valve 33 and the concentrated VOC output valve 34, and starting desorption.
Before the equipment is shut down, desorption and cooling of all modules need to be completed, so that the equipment can be shut down and powered off. The low-air-volume high-concentration VOC flue gas discharged by the concentrated VOC main pipeline 9 of the concentration system is introduced into an original combustor or a drying cylinder of a mixing station through the concentrated VOC main pipeline 9 for combustion and efficient treatment, and the flue gas after combustion is discharged into the atmosphere through a dust remover, a draught fan 1 and a chimney.
The concentrated combustion method provided by the method converts the high-air-volume low-concentration asphalt flue gas into the low-air-volume high-concentration flue gas, the air volume is compressed by 10-20 times, even 30 times, and the influence on a combustion-drying-dedusting system is greatly reduced.
To sum up, this application is at first the entrapment retrieve mix the asphalt smoke that looses in the station production technology flow, carries out the preliminary treatment to particulate matters such as dust, oil droplet, steam in the asphalt smoke, and adsorption material such as active carbon, zeolite among the reuse modularization asphalt smoke enrichment facility adsorbs the VOC in the asphalt smoke, and the desorption of reuse small gas calorimetric wind, flue gas after the desorption is introduced and is mixed station drying drum burning processing. The modularized concentration device has high intelligent degree, and can automatically switch the operation processes of adsorption, desorption, cooling and the like by monitoring input and output smoke; the modular design has small occupied area, low cost and small investment, is beneficial to the stock preparation and distribution of manufacturers, the maintenance of users and the local maintenance of equipment, does not need to be stopped, and does not influence the long-term continuous operation of the asphalt mixing station. The concentrated combustion process converts the recovered high-air-volume low-concentration asphalt smoke into low-air-volume high-concentration smoke, reduces the influence on a combustion-drying-dust removal system, has high purification efficiency, thoroughly treats stink and carcinogenic pollutants, utilizes the original combustor to support combustion, reduces the waste of resources for additionally ventilating and supporting combustion, and utilizes the heat released in the combustion and purification process. The process has the advantages of simple flow, high purification efficiency, energy recycling and environmental protection.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. The asphalt flue gas concentration device is characterized by comprising an adsorption/desorption module (3), wherein the adsorption/desorption module (3) comprises a box body (36) and an adsorption material (35) arranged in the box body (36), the box body (36) is connected with a VOC input valve (31), a clean air output valve (32), a desorption hot gas input valve (33) and a concentrated VOC output valve (34), the VOC input valve (31) and the concentrated VOC output valve (34) are positioned on one side of the adsorption material (35), and the clean air output valve (32) and the desorption hot gas input valve (33) are positioned on the other side of the adsorption material (35);
the VOC input valve (31) and the clean air output valve (32) are both configured to be opened when the input VOC gas concentration is greater than a set threshold; and is turned off when the ratio of the output VOC gas concentration/the input VOC gas concentration is less than a set threshold;
the desorption hot gas input valve (33) and the concentrated VOC output valve (34) are both configured to be opened when the ratio of the output VOC gas concentration/the input VOC gas concentration is less than a set threshold value, and the opening time of the VOC input valve (31) is greater than the set threshold value; and is turned off when the difference in VOC gas concentration per minute is less than a set threshold.
2. The bitumen flue gas concentration device according to claim 1, wherein there are a plurality of adsorption/desorption modules (3);
every VOC input valve (31) of adsorbing/desorption module (3) all is connected through VOC input branch pipeline (2) and VOC input main pipeline (1), every clean air output valve (32) of adsorbing/desorption module (3) all is connected through output clean air branch pipeline (4) and output clean air main pipeline (5), every desorption steam input valve (33) of adsorbing/desorption module (3) all is connected through desorption steam branch pipeline (7) and desorption steam main pipeline (6), every concentrated VOC output valve (34) of adsorbing/desorption module (3) all is connected through concentrated VOC branch pipeline (8) and concentrated VOC main pipeline (9).
3. The asphalt flue gas concentration device according to claim 2, further comprising a first VOC monitoring unit connected to the VOC input branch pipes (2) and the VOC input main pipe (1), wherein the first VOC monitoring unit is used for monitoring VOC gas concentration in the VOC input main pipe (1) and each VOC input branch pipe (2);
the second VOC monitoring unit is connected to the branch clean air output pipeline (4) and the main clean air output pipeline (5) and is used for monitoring the concentration of VOC gas in each branch clean air output pipeline (4) and each main clean air output pipeline (5);
and a third VOC monitoring unit connected to the concentrated VOC branch pipelines (8) and the concentrated VOC main pipeline (9), wherein the third VOC monitoring unit is used for monitoring the VOC gas concentration of each of the concentrated VOC branch pipelines (8) and the concentrated VOC main pipeline (9).
4. The asphalt flue gas concentration device according to claim 3, further comprising a controller, wherein the controller is in signal connection with the first VOC monitoring unit, the second VOC monitoring unit and the third VOC monitoring unit respectively;
the controller is used for controlling the opening and closing of the VOC input valve (31), the clean air output valve (32), the desorption hot air input valve (33) and the concentrated VOC output valve (34) according to monitoring results of the first VOC monitoring unit, the second VOC monitoring unit and the third VOC monitoring unit.
5. An asphalt flue gas concentration system, comprising:
the smoke dust collecting device is used for recovering asphalt smoke;
the pretreatment device is connected with the smoke dust collecting device and is used for treating the recycled asphalt smoke to obtain VOC gas and inputting the VOC gas into the concentration device of any one of claims 1 to 4;
the concentration device is connected with the pretreatment device and used for monitoring the input VOC gas and the clean VOC gas output after being treated by the concentration device and switching the adsorption, desorption and cooling operation processes according to the monitoring result so as to output the concentrated VOC gas;
and the post-treatment device is connected with the concentration device and is used for burning and treating the concentrated VOC gas and discharging the concentrated VOC gas.
6. The asphalt flue gas concentration system according to claim 5, wherein the post-treatment device comprises a combustion chamber, a drying roller, a dust remover, an induced draft fan and a chimney which are communicated in sequence, and the combustion chamber is communicated with the concentration device;
the dust remover with be equipped with the heat exchanger that has self-heating function between the draught fan, heat exchanger with enrichment facility is connected, heat exchanger be used for to enrichment facility provides steam.
7. The asphalt flue gas concentration system according to claim 5, wherein a plurality of the smoke trapping devices are arranged, and the smoke trapping devices are respectively connected with the pretreatment device through conveying pipelines.
8. The asphalt flue gas concentration method is characterized by comprising the following steps:
recovering asphalt smoke;
treating the recovered bitumen flue gas to obtain VOC gases and feeding the VOC gases to a concentration plant according to any one of claims 1 to 4;
monitoring the input VOC gas and the clean VOC gas output after being processed by the concentration device, and switching the adsorption, desorption and cooling operation processes according to the monitoring result to output the concentrated VOC gas;
and (4) burning the concentrated VOC gas and discharging.
9. The asphalt flue gas concentration method according to claim 8, wherein the steps of monitoring the input VOC gas and the output VOC gas after being processed by the concentration device, and switching the processes of adsorption, desorption and cooling according to the monitoring result comprise the following steps:
monitoring the VOC gas concentration of a VOC input main pipeline (1) of the concentration device, and calculating the opening number of the adsorption/desorption modules (3) according to the VOC gas concentration;
opening VOC input valves (31) and corresponding clean air output valves (32) in the adsorption/desorption modules (3) in corresponding quantity, and obtaining the opening time of the VOC input valves (31) and the clean air output valves (32);
monitoring the concentration of VOC gas in the VOC input branch pipeline (2) connected with the opened VOC input valve (31) and the concentration of VOC gas in the output clean air branch pipeline (4) corresponding to the VOC gas concentration;
judging the ratio of the output VOC gas concentration to the input VOC gas concentration; if the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value and the opening time of the VOC input valve (31) is smaller than the set threshold value, closing the VOC input valve (31) and the clean air output valve (32) and prompting maintenance;
if the ratio of the output VOC gas concentration/the input VOC gas concentration is smaller than a set threshold value and the opening time of the VOC input valve (31) is longer than the set threshold value, closing the VOC input valve (31) and the clean air output valve (32) and opening a corresponding desorption hot gas input valve (33) and a corresponding concentrated VOC output valve (34);
monitoring the concentration of the concentrated VOC branch conduit (8);
and when the difference of the VOC gas concentration per minute is less than a set threshold value, closing the desorption hot gas input valve (33) and the concentrated VOC output valve (34).
10. The asphalt flue gas concentration method according to claim 8, wherein the processing the recovered asphalt flue gas comprises: and sequentially carrying out oil separating disc centrifugal demisting treatment, electrostatic oil removal treatment, polyester fiber filter cotton filtering treatment and calcium oxide dehumidification treatment on the recovered asphalt smoke.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003033619A (en) * | 2001-07-19 | 2003-02-04 | Toyobo Co Ltd | Gas treatment device and gas treatment method |
| CN208066071U (en) * | 2017-12-14 | 2018-11-09 | 杭州碧空环境科技有限公司 | A kind of Adsorption Concentration elevated temperature desorption catalytic combustion system of spray painting VOCs exhaust gas |
| US20190022579A1 (en) * | 2016-02-11 | 2019-01-24 | Harold R. Cowles | Voc removal and destruction system and method |
| CN209155464U (en) * | 2018-06-13 | 2019-07-26 | 江苏诺伊拓环保工程有限公司 | Zeolite molecular sieve fixed bed VOCs Adsorption Concentration desorption and regeneration system |
| CN210699445U (en) * | 2019-06-21 | 2020-06-09 | 厦门爱迪特环保科技有限公司 | Asphalt smoke waste gas treatment system |
| US20200254378A1 (en) * | 2017-09-29 | 2020-08-13 | Changsung Engineering Co., Ltd. | Concentrated catalyst combustion system having active concentration ratio control means |
| CN111780141A (en) * | 2020-08-17 | 2020-10-16 | 福润得复合新材料有限公司 | Treatment process and device for VOCS waste gas in steel pipe anticorrosive coating production |
| CN211725246U (en) * | 2019-12-30 | 2020-10-23 | 橙志（上海）环保技术有限公司 | VOCs adsorbs-catalytic combustion system |
-
2021
- 2021-06-21 CN CN202110683128.2A patent/CN113457368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003033619A (en) * | 2001-07-19 | 2003-02-04 | Toyobo Co Ltd | Gas treatment device and gas treatment method |
| US20190022579A1 (en) * | 2016-02-11 | 2019-01-24 | Harold R. Cowles | Voc removal and destruction system and method |
| US20200254378A1 (en) * | 2017-09-29 | 2020-08-13 | Changsung Engineering Co., Ltd. | Concentrated catalyst combustion system having active concentration ratio control means |
| CN208066071U (en) * | 2017-12-14 | 2018-11-09 | 杭州碧空环境科技有限公司 | A kind of Adsorption Concentration elevated temperature desorption catalytic combustion system of spray painting VOCs exhaust gas |
| CN209155464U (en) * | 2018-06-13 | 2019-07-26 | 江苏诺伊拓环保工程有限公司 | Zeolite molecular sieve fixed bed VOCs Adsorption Concentration desorption and regeneration system |
| CN210699445U (en) * | 2019-06-21 | 2020-06-09 | 厦门爱迪特环保科技有限公司 | Asphalt smoke waste gas treatment system |
| CN211725246U (en) * | 2019-12-30 | 2020-10-23 | 橙志（上海）环保技术有限公司 | VOCs adsorbs-catalytic combustion system |
| CN111780141A (en) * | 2020-08-17 | 2020-10-16 | 福润得复合新材料有限公司 | Treatment process and device for VOCS waste gas in steel pipe anticorrosive coating production |
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