CN218421880U - Unorganized organic waste gas recovery and treatment system for loading and unloading vehicle trestle - Google Patents
Unorganized organic waste gas recovery and treatment system for loading and unloading vehicle trestle Download PDFInfo
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Abstract
The utility model provides a car loading and unloading car landing stage unorganized organic waste gas retrieves and treatment system, including unorganized organic waste gas recovery system, unorganized organic waste gas recovery system's export and condensation recovery unit's import intercommunication are used for carrying out multistage condensation to retrieving organic waste gas, condensation recovery unit's oil return export and the import intercommunication of oil collecting tank, condensation recovery unit's export and the import intercommunication that adsorbs desorption device, adsorb desorption device's high concentration oil gas export and unorganized organic waste gas recovery system's import intercommunication, adsorb the purified gas export that desorption device top set up. The utility model discloses get up the volatile oil gas collection of loading and unloading landing stage loading and unloading, then change oil gas into liquid from the gaseous state through administering technology, become the oil again, reach the recycle purpose.
Description
Technical Field
The utility model belongs to the technical field of petrochemical, specifically belong to an automobile loading and unloading car landing stage unorganized organic waste gas recovery and treatment system.
Background
Light oil products such as gasoline, kerosene, naphtha and the like in the petrochemical industry can volatilize harmful gases such as benzene, toluene, xylene and the like in the processes of storage, loading, unloading and transportation. The automobile loading and unloading platform is characterized in that a plurality of oil gas molecules such as benzene can be volatilized due to untight sealing of loading and unloading crane pipes, the volatilized oil gas molecules belong to organic waste gas of VOCs (volatile organic chemicals) discharged in an unorganized mode, and the environment can be harmed if the gas is directly discharged.
At the loading trestle of the automobile, the oil filling tank opening of the tank car and the oil gas recovery collecting cover arranged on the loading oil filling riser need to be in close contact with each other and cannot leak out gaps, so that the airtight effect is ensured. Because the size and specification of the tank bodies of the general loading and unloading tank cars are not the same, and the sizes of the tank openings of the tank bodies are possibly not uniform, the fixed oil gas collecting cover arranged on the oil filling riser can be unmatched with the tank opening of the tank car, so that a gap is formed at the joint, and the sealing effect of the oil filling riser can not be achieved; the other kind of the oil filling riser sealing condition is influenced by insufficient pressure of a cylinder matched with the oil filling riser cantilever, and the oil gas is leaked due to insufficient pressure connection degree of an oil filling tank opening of the tank car on the oil gas collecting cover, so that the oil gas is pushed against the collecting cover by the pressure of the oil gas. In the loading and unloading platform of the automobile, the leaked and volatilized gases mainly comprise VOCs (volatile organic compounds) organic waste gases such as toluene, xylene, pure benzene, non-aromatic hydrocarbons and the like.
In recent years, the requirement of domestic environmental protection emission indexes is continuously improved, and particularly, the emission limit value of factory unorganized organic waste gas is stricter. At present many car loading and unloading car landing stage do not collect and administer to organic waste gas specially, because to this type of volatile VOCs organic waste gas collection treatment system complicacy, the investment is relatively great moreover, so to the organic waste gas recovery treatment work of car loading and unloading car landing stage unorganized volatile VOCs become the problem that most petrochemical plants are urgently needed to solve.
Although the traditional absorption method, adsorption method and condensation method can effectively solve the problem of unorganized emission treatment of organic waste gas, the treatment efficiency can be reduced after long-term operation, the cost of replacement materials is high, and the like, so each treatment mode has advantages and disadvantages. Nowadays, along with the improvement of environmental protection emission indexes, the working condition of equipment becomes complex, and the requirement cannot be met by adopting a traditional treatment mode.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides an automobile loading and unloading platform unorganized organic waste gas retrieves and administers system gets up the volatile oil gas collection of automobile loading and unloading platform loading unloading, then changes oil gas from the gaseous state into the liquid state through administering technology, becomes the oil again, reaches the recycle purpose.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automobile loading and unloading car landing stage unorganized organic waste gas retrieves and administers system, including unorganized organic waste gas recovery system, unorganized organic waste gas recovery system's export and condensation recovery unit's import intercommunication is used for carrying out multistage condensation to retrieving organic waste gas, condensation recovery unit's oil return export and the import intercommunication of oil collecting tank, condensation recovery unit's export and the import intercommunication that adsorbs desorption device, adsorb desorption device's high concentration vapor outlet and unorganized organic waste gas recovery system's import intercommunication, adsorb the purified gas export that desorption device top set up.
Further, unorganized organic waste gas recovery system is including retrieving the cover body, exhaust branch pipe, exhaust manifold, draught fan, and a plurality of recovery cover body settings are in organic waste gas's upper portion space, retrieve the export of the cover body and the access connection of exhaust branch pipe, a plurality of exhaust branch pipe's export all with exhaust manifold's access connection, exhaust manifold's export and draught fan access connection, the export of draught fan and condensation recovery unit's import intercommunication.
Furthermore, the recovery cover body adopts the horn mouth appearance, and the recovery cover body inner wall is provided with along the air current flow direction for the water conservancy diversion wind channel structure of vertical bar shape, and recovery cover body import department sets up dust proof particulate matter filter screen.
Furthermore, a buffer tank and a pressure sensor are further arranged on the exhaust gas main pipe, and the pressure sensor is used for monitoring the pressure change of the pipeline and is connected with an induced draft fan to adjust the pressure change of the exhaust gas main pipe.
Furthermore, the draught fan is an explosion-proof variable frequency fan.
Furthermore, the condensation recovery device comprises a precooler, an intercooling condenser and a cryogenic condenser, wherein an outlet of the unorganized organic waste gas recovery system is communicated with a waste gas inlet of the precooler, a waste gas outlet of the precooler is communicated with a waste gas inlet of the intercooling condenser, a waste gas outlet of the intercooling condenser is communicated with a waste gas inlet of the cryogenic condenser, a waste gas outlet of the cryogenic condenser is connected with a heat exchange pipeline, the heat exchange pipeline is connected with an inlet of the adsorption and desorption device after passing through the precooler, and oil return outlets of the precooler, the intercooling condenser and the cryogenic condenser are communicated with an inlet of the oil collecting tank through an oil return pipeline.
Further, the precooling temperature of the precooler is 0-5 ℃; the intercooling condensation temperature of the intercooling condenser is-30 to-35 ℃; the cryogenic condensation temperature of the cryogenic condenser is-60 to-75 ℃.
Furthermore, the adsorption and desorption device comprises a first adsorption tank and a second adsorption tank, and inlets of the first adsorption tank and the second adsorption tank are communicated with a heat exchange pipeline passing through the precooler; purified gas outlets are formed in the tops of the first adsorption tank and the second adsorption tank, and flame arresters are arranged at the purified gas outlets; the high-concentration oil gas outlets of the first adsorption tank and the second adsorption tank are communicated with the inlet of the unorganized organic waste gas recovery system through a dry vacuum pump.
Furthermore, activated carbon is filled in the first adsorption tank and the second adsorption tank.
Furthermore, a liquid level meter, a drain pipe and an oil-water separator are arranged on the oil collecting tank, the liquid level meter is used for monitoring the liquid level in the oil collecting tank and controlling the pump by using a PLC system, the oil-water separator is used for separating out water in liquid oil, the drain pipe is used for discharging the separated water from the drain pipe, and the outlet of the oil collecting tank is connected with a user storage tank through the pump.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model provides a car loading and unloading car landing stage unorganized organic waste gas retrieves and treatment system, through setting up unorganized organic waste gas recovery system, condensation recovery unit and absorption desorption device, the equipment is compact, occupation space is little, it is convenient to maintain, the security is good, realize collecting organic waste gas earlier, recondensing, the processing of after-adsorption, the liquid oil of output can directly be utilized, concretely, organic waste gas unorganized organic waste gas recovery system sends into condensation recovery unit and cools off the liquefaction, all refrigeration capacities of condensation recovery unit are all used for overcoming the latent heat of vaporization that oil gas becomes liquid from the gaseous state, the composition of most organic waste gas has become liquid after multistage condensation, the liquid oil of recovery directly carries to the oil collecting tank, condensation recovery unit sends the mixed gas of remaining organic waste gas and air into desorption adsorption unit and carries out the repurification processing back, the absorption desorption device will satisfy the purified gas discharge requirement and discharge, send the high concentration oil gas that the desorption obtained back organic waste gas unorganized organic waste gas recovery system, carry out secondary condensation, thereby realize the pollution of unorganized VOCs organic waste gas and the utilization of hazardous substance recovery of car loading and treatment landing stage; after the system is recycled and treated, the environmental air quality of the loading and unloading platform of the automobile is greatly improved, the harm of unorganized harmful gas to the body of workers is reduced, the problem of up-to-standard emission of unorganized organic waste gas is solved, the pollutant emission index meets the national standard, and the air pollution is reduced.
Further, automobile loading and unloading landing stage unorganized VOCs organic waste gas collects respectively through a plurality of recovery cover bodies and converges into the exhaust manifold through the exhaust branch pipe, and organic waste gas gets into the buffer tank through the exhaust manifold, sends into condensation recovery unit through the buffer tank by the draught fan and cools off the liquefaction, and draught fan and the pressure sensor of dress on the exhaust manifold are chain, according to what of displacement, and the draught fan carries out automatic frequency conversion operation.
Cause to discharge not up to standard risk and better exhaust emission target for dealing with system's trouble, the utility model discloses set up and adsorb desorption device, including first adsorption tank, second adsorption tank, including first adsorption tank and second adsorption tank to the mixed gas of organic waste gas and the air of not being handled by the condensation among the condensation recovery device adsorb in turn and the desorption process, can reach the emission requirement that is superior to the environmental protection standard.
In conclusion, compared with the traditional unorganized waste gas treatment mode, the device system combines the unorganized waste gas recovery system and the waste gas treatment system of the loading and unloading vehicle loading platform of the automobile, meanwhile, a deep condensation unit is added in the treatment process, so that the treatment efficiency of the unorganized organic waste gas is greatly improved. In addition, the treatment process is organically connected with the adsorption and desorption process, and a reciprocating cycle process is formed by the waste gas recovery and treatment system, so that the waste gas is discharged after being purified, and the environmental protection treatment target of the unorganized organic waste gas is well met.
Drawings
FIG. 1 is a schematic view of the system of the present invention;
wherein: 1-recovering the cover body; 2-an exhaust gas branch pipe; 3-a waste gas main pipe; 4-a buffer tank; 5-a draught fan; 6-a precooler; 7-an intercooled condenser; 8-cryogenic condenser; 9-a liquid level meter; 10-a drain pipe; 11-oil water separator; 12-an oil collecting tank; 13-a pump; 14-a flame arrester; 15-a first adsorption tank; 16-a second adsorption tank; 17-dry vacuum pump.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, the utility model provides an automobile loading and unloading car landing stage unorganized organic waste gas retrieves and treatment system, including unorganized organic waste gas recovery system and waste gas treatment system, unorganized organic waste gas recovery system concentrates organic waste gas through retrieving cover body 1 and retrieves, send organic waste gas to waste gas treatment system under draught fan 5's power drives, waste gas treatment equipment includes condensation recovery unit and absorption desorption device, the liquid product that organic waste gas obtained after condensation recovery unit and absorption desorption device purification are administered carries accumulator 12 and user storage tank, up to standard purified gas is through purifying the gas outlet evacuation.
Unorganized organic waste gas recovery system is including retrieving the cover body 1, waste gas branch pipe 2, exhaust manifold 3, buffer tank 4, draught fan 5, retrieve the upper portion space that cover body 1 set up organic waste gas around car loading and unloading car landing stage, for the formula of breathing in cover body, the appearance is the loudspeaker form, can set up a plurality ofly, its export and the inlet connection of the exhaust gas branch pipe 2 that corresponds, the export of a plurality of exhaust gas branch pipes 2 all with exhaust manifold 3's access connection, exhaust manifold 3's exit linkage is in the import of draught fan 5, the export of draught fan 5 and condensation recovery unit's import intercommunication, organic waste gas gets into exhaust gas branch pipe 2 through retrieving cover body 1 drainage under 5 power drive of draught fan, gather on exhaust manifold 3 through each branch pipe in the condensation recovery unit is carried through draught fan 5.
Preferably, the condensation recovery device is multi-stage condensation and comprises a precooler 6, an intercooling condenser 7 and a cryogenic condenser 8; an outlet of an induced draft fan 5 is communicated with a waste gas inlet of a precooler 6, a waste gas outlet of the precooler 6 is communicated with a waste gas inlet of an intercooling condenser 7, a waste gas outlet of the intercooling condenser 7 is communicated with a waste gas inlet of a cryogenic condenser 8, a waste gas outlet of the cryogenic condenser 8 is communicated with a heat exchange pipeline, the heat exchange pipeline is connected with an inlet of an adsorption and desorption device after passing through the precooler 6, low-temperature waste gas in the cryocondenser 8 is utilized to carry out heat exchange on the waste gas in the precooler 6, oil return outlets of the precooler 6, the intercooling condenser 7 and the cryogenic condenser 8 are communicated with an inlet of an oil collecting tank 12 through oil return pipelines, components in the waste gas are liquefied in a grading mode according to different cold field temperatures, and finally the components are conveyed to the oil collecting tank 12 through the oil return pipelines.
The low-temperature waste gas of the cryogenic condenser 8 exchanges heat with the waste gas in the precooler 6 to realize precooling (0-5 ℃) through the heat exchange pipeline of the precooler 6, specifically, the uncondensed organic waste gas containing cold energy condensed in the cryogenic condenser 8 exchanges heat with the new organic waste gas continuously entering the precooler 6 to cool the new organic waste gas to 0-5 ℃, thereby improving the refrigeration efficiency and realizing energy conservation. The organic waste gas can liquefy most of the moisture and tail gas components in the air in the precooling stage, and meanwhile, part of cold energy is recycled.
The waste gas outlet of the precooler 6 is communicated with the waste gas inlet of the intercooling condenser 7 to realize intercooling condensation (-30 to-35 ℃), in particular, the intercooling condenser 7 is a refrigeration system of a refrigeration and defrosting unit of a Bzel semi-closed reciprocating piston type refrigeration compressor, the temperature of a cold field in the intercooling condenser 7 is kept between-30 to-35 ℃, most of components with more than 5 carbon atoms in the waste gas can be condensed and liquefied, and meanwhile, part of cold energy is recycled to enter the deep cooling condenser 8.
The waste gas outlet of the intercooling condenser 7 is communicated with the waste gas inlet of the copious cooling condenser 8 to realize the copious cooling condensation (-60 to-75 ℃), the copious cooling condenser 8 adopts a refrigerating system of a refrigerating and defrosting unit of a Bell semi-closed reciprocating piston type refrigerating compressor, the temperature of a cold field in the copious cooling condenser 8 is kept between-60 to-75 ℃, and most organic waste gas components are condensed, liquefied and separated out.
The high-concentration oil gas condensed and liquefied in the precooler 6, the intercooling condenser 7 and the cryogenic condenser 8 is conveyed to an oil collecting tank 12 through oil return pipelines.
The residual mixed gas of the organic waste gas and the air which is not condensed enters an adsorption and desorption device through a heat exchange pipeline, the adsorption and desorption device comprises a first adsorption tank 15 and a second adsorption tank 16, inlets of the first adsorption tank 15 and the second adsorption tank 16 are connected with the heat exchange pipeline through valves, and high-concentration oil gas outlets of the first adsorption tank 15 and the second adsorption tank 16 are communicated with a waste gas main pipe 3 through a dry vacuum pump 17 to carry out secondary condensation on the desorbed gas; specifically, the first adsorption tank 15 and the second adsorption tank 16 perform repeated alternate adsorption to realize a continuous oil gas treatment process. The two tanks adopt active carbon as an adsorbent, when the first adsorption tank 15 enriches oil gas, the second adsorption tank 16 carries out negative pressure desorption enrichment, otherwise, the two tanks carry out alternate adsorption and desorption processes. When first adsorption tank 15 and second adsorption tank 16 are respectively in desorption state, its high concentration oil gas export communicates with dry vacuum pump 17's import, and dry vacuum pump 17 main function is to carry the desorption gas to system's exhaust main 3 department, carries out the secondary condensation with the desorption gas.
All be provided with spark arrester 14 and purified gas export on first adsorption tank 15, the second adsorption tank 16, prevent that the internal emergence of jar is easily fired and arouses the explosion accident, and the gas after the absorption purification passes through the evacuation of purified gas export.
The oil collecting tank 12 is provided with a liquid level meter 9, a drain pipe 10 and an oil-water separator 11; the liquid level meter 9 receives signals and controls an oil pump through a PLC system, the oil pump is used for monitoring the liquid level in an oil collecting tank 12, an oil-water separator 11 is used for separating water in liquid oil, the separated water is discharged from a water discharging pipe 10, and the outlet of the oil collecting tank 12 is connected with a user storage tank through a pump 13.
Preferably, the recycling cover body 1 is in a bell mouth shape, a flow guide air channel structure is designed on the recycling cover body, the flow guide air channel is in a vertical bar shape, and the flow guide air channel is arranged on the inner wall of the recycling cover body along the flow direction of the airflow.
Preferably, the air inlet of the recovery cover body 1 is designed with a dust-proof particle filter screen.
Preferably, the recovery cover body 1, the waste gas branch pipes 2 and the waste gas main pipe 3 are made of high-temperature-resistant insulating materials, and can resist temperature of not less than 200 ℃.
Preferably, be provided with buffer tank 4 on the exhaust manifold 3, buffer tank 4 plays stabilizing effect to pipe-line system pressure variation, prevents that waste gas from getting into condensing system pressure unstability.
Preferably, the exhaust gas main pipe 3 is further provided with a pressure sensor, the pressure sensor monitors the pressure change of the pipeline, and the pressure sensor is connected with the variable frequency fan to adjust the pressure change of the pipeline in time.
Preferably, draught fan 5 is explosion-proof frequency conversion fan, and this system design is strictly carried out according to the emission of collecting unorganized exhaust gas, and the comprehensive assessment device investment is not invariable with the emission standard requirement after administering, collects organic waste gas's volume through exhaust gas house steward 3, adopts explosion-proof frequency conversion fan to carry out reasonable regulation and control, and the handling capacity that surpasss equipment will influence the life and the emission index of equipment.
Automobile loading and unloading landing stage unorganized VOCs organic waste gas collects respectively through a plurality of recovery cover body 1 and converges into exhaust manifold 3 through exhaust branch pipe 2, and exhaust manifold 3 sets up facilities such as spark arrester, check valve, trip valve. Organic waste gas enters a buffer tank 4 through a waste gas header pipe 3, the organic waste gas is sent into a condensation recovery device for cooling and liquefaction through an explosion-proof variable frequency fan through the buffer tank 4, the explosion-proof variable frequency fan is interlocked with a pressure sensor arranged on the waste gas header pipe 3, the explosion-proof variable frequency fan performs automatic variable frequency operation according to the amount of exhaust, the organic waste gas directly enters the condensation recovery device for multistage condensation, the cold energy recycling of a gas circuit is completed through three-stage condensation, all the refrigerating capacity of the condensation recovery device is used for overcoming the vaporization latent heat of oil gas from gas state to liquid state, most components become liquid components after the three-stage condensation, and the mixed gas of the residual organic waste gas and air contains certain cold energy, and the mixed gas is sent into a precooler 6 for heat exchange and then sent into an adsorption and desorption device for repurification treatment, so that the emission requirement is met; the recovered liquid oil is directly conveyed to the oil collecting tank 12 through the pipeline oil pump.
Cause to discharge not up to standard risk and better exhaust emissions target for dealing with system's trouble, the utility model discloses set up adsorption processes, adsorption processes that organic waste gas retrieved indicates through adopting adsorbing material to adsorb the treating medium, and after adsorbing material adsorption treating medium reached the saturation, adsorbing material carried out desorption analytic regeneration back repeatedly's technology again, and the low concentration organic waste gas who is not by condensation processing among the condensation recovery device lets in adsorption equipment, reaches the emission requirement that is superior to environmental protection standard.
The utility model discloses set up two adsorption tanks, when an adsorption tank is in the adsorption operating condition, another adsorption tank is in the desorption state. When the adsorption tank in the adsorption state is close to the adsorption saturation state, the adsorption tank is switched to the desorption state, and meanwhile, the desorption tank in the desorption state is regenerated and switched to the adsorption state.
Specifically, the regeneration of the adsorbent is realized by the vacuumizing operation of the dry vacuum pump, the pressure in the adsorption tank reaches a high vacuum state through the vacuum pump, and the organic matters adsorbed in the adsorbent reach a state of easily falling off from the adsorbent, so that the organic matters are separated from the surface of the activated carbon. The high concentration oil gas that the desorption came out returns to exhaust gas main 3 and carries out the secondary condensation and retrieve, and two adsorption tanks switch the completion through PLC control system.
The system has stable process, safety and reliability, can visually see the liquid recovery objects, and is clean and pollution-free. The condensing system adopts a normal-pressure condensing method, the explosion-proof electric appliance is fully adopted in the selection of the electric appliance, and the internal explosion possibility of the VOCs organic waste gas system is greatly reduced. The system has multiple protection functions, when the equipment is powered off or stops air supply, the inlet valve of the VOCs organic waste gas recovery equipment, the adsorption system valve and the outlet valve of the oil transfer pump are automatically closed by the action of spring force, and the valve of the bypass exhaust system is automatically opened to ensure the safety of the equipment. The VOCs organic waste gas recovery system can take actions such as alarm interlocking and the like according to detection values for temperature, pressure, flow, inlet and outlet organic waste gas concentration and the like.
This system disposes the check valve at the delivery pump export, is furnished with normally closed pneumatic ball valve moreover, only can open automatically when the delivery pump is opened, also can rely on self spring force self-closing under the circumstances of outage, prevents the storage tank oil backward flow. The device is designed with an overflow prevention measure, a liquid level magnetic turning plate is arranged on the oil storage tank, a high-level alarm and a low-level alarm are set, and a floating ball high-level alarm is set to prevent the overflow of the accidental separator caused by the damage of the magnetic turning plate.
The system is designed with power-off and gas-off protection measures, when the device is shut down or powered off, all the valves of the adsorption system are automatically closed by spring force, the valve of the bypass exhaust system is automatically opened, the automatic valve of the inlet of the VOCs organic waste gas recovery equipment is closed, the valve in front of the oil delivery pump is automatically closed, the gasoline backflow in the oil storage tank is avoided, and the safety of the device is ensured. The pressure signal is set in a linkage mode, the pressure signal linkage parking function is achieved, and when automatic transmission signal measurement fails, mechanical signals such as a pressure switch, a temperature switch and a flow switch can replace the mechanical signals to achieve the parking protection function. In addition, the grounding is designed, the grounding resistance of the system is less than 4 omega, and a grounding symbol mark is arranged at an obvious position.
Claims (10)
1. The utility model provides an automobile loading and unloading car landing stage unorganized organic waste gas retrieves and treatment system, a serial communication port, including unorganized organic waste gas recovery system, unorganized organic waste gas recovery system's export and condensation recovery unit's import intercommunication are used for carrying out multistage condensation to retrieving organic waste gas, condensation recovery unit's oil return export and the import intercommunication of oil collecting tank (12), condensation recovery unit's export and adsorption desorption device's import intercommunication, adsorption desorption device's high concentration oil gas export and unorganized organic waste gas recovery system's import intercommunication, adsorb the purified gas export that desorption device top set up.
2. The unorganized organic waste gas recovery and treatment system of automobile loading and unloading vehicle landing stage of claim 1, characterized in that, unorganized organic waste gas recovery system includes the recovery cover body (1), exhaust branch pipe (2), exhaust manifold (3), draught fan (5), a plurality of recovery cover bodies (1) are set up in the upper space of organic waste gas, the export of the recovery cover body (1) and the access connection of exhaust branch pipe (2), the export of a plurality of exhaust branch pipe (2) all with the access connection of exhaust manifold (3), the export of exhaust manifold (3) and draught fan (5) access connection, the export of draught fan (5) and the import of condensation recovery unit communicate.
3. The unorganized organic waste gas recovery and treatment system for the loading and unloading truck trestle of claim 2, characterized in that the recovery cover body (1) is in a bell mouth shape, the inner wall of the recovery cover body (1) is provided with a flow guide air duct structure which is in a vertical bar shape along the air flow direction, and the inlet of the recovery cover body (1) is provided with a dust and particle filter screen.
4. The unorganized organic waste gas recovery and treatment system for the loading and unloading truck platform of the automobile as claimed in claim 2, wherein the exhaust manifold (3) is further provided with a buffer tank (4) and a pressure sensor, and the pressure sensor is used for monitoring the pressure change of the pipeline and is interconnected with the induced draft fan (5) to adjust the pressure change of the exhaust manifold (3).
5. The unorganized organic waste gas recovery and treatment system of truck loading and unloading truck trestle according to claim 2, characterized in that the induced draft fan (5) is an explosion-proof variable frequency fan.
6. The unorganized organic waste gas recovery and treatment system of the truck loading and unloading platform of the automobile according to claim 1, wherein the condensation recovery device comprises a precooler (6), an intercooling condenser (7) and a cryogenic condenser (8), an outlet of the unorganized organic waste gas recovery system is communicated with a waste gas inlet of the precooler (6), a waste gas outlet of the precooler (6) is communicated with a waste gas inlet of the intercooling condenser (7), a waste gas outlet of the intercooling condenser (7) is communicated with a waste gas inlet of the cryogenic condenser (8), a waste gas outlet of the cryogenic condenser (8) is connected with a heat exchange pipeline, the heat exchange pipeline is connected with an inlet of the adsorption and desorption device after passing through the precooler (6), and oil return outlets of the precooler (6), the intercooling condenser (7) and the cryogenic condenser (8) are communicated with an inlet of the oil collection tank (12) through an oil return pipeline.
7. The system for recovering and treating the unorganized organic waste gas of the loading and unloading truck platform of the automobile according to claim 6, wherein the precooling temperature of the precooler (6) is 0-5 ℃; the intercooling condensation temperature of the intercooling condenser (7) is-30 to-35 ℃; the cryogenic condensation temperature of the cryogenic condenser (8) is-60 to-75 ℃.
8. The unorganized organic waste gas recovery and treatment system for the loading and unloading truck platform of the automobile according to claim 1, wherein the adsorption and desorption device comprises a first adsorption tank (15) and a second adsorption tank (16), and inlets of the first adsorption tank (15) and the second adsorption tank (16) are communicated with a heat exchange pipeline passing through the precooler (6); a purified gas outlet and a flame arrester (14) are arranged at the top of the first adsorption tank (15) and the second adsorption tank (16); the high-concentration oil gas outlets of the first adsorption tank (15) and the second adsorption tank (16) are communicated with the inlet of the unorganized organic waste gas recovery system through a dry vacuum pump (17).
9. The system of claim 8, wherein the first adsorption tank (15) and the second adsorption tank (16) are filled with activated carbon.
10. The unorganized organic waste gas recovery and treatment system for the loading and unloading truck platform of the automobile according to claim 1, wherein the oil collecting tank (12) is provided with a liquid level meter (9), a drain pipe (10) and an oil-water separator (11), the liquid level meter (9) is used for monitoring the liquid level in the oil collecting tank (12) and controlling the pump (13) by using a PLC system, the oil-water separator (11) is used for separating water in liquid oil, the drain pipe (10) is used for discharging the separated water from the drain pipe (10), and the outlet of the oil collecting tank (12) is connected with a user storage tank through the pump (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222692911.8U CN218421880U (en) | 2022-10-12 | 2022-10-12 | Unorganized organic waste gas recovery and treatment system for loading and unloading vehicle trestle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222692911.8U CN218421880U (en) | 2022-10-12 | 2022-10-12 | Unorganized organic waste gas recovery and treatment system for loading and unloading vehicle trestle |
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| CN218421880U true CN218421880U (en) | 2023-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046255A (en) * | 2023-10-12 | 2023-11-14 | 山东蓝驰节能环保科技有限公司 | Device and process for recycling VOC (volatile organic compounds) in waste gas |
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2022
- 2022-10-12 CN CN202222692911.8U patent/CN218421880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117046255A (en) * | 2023-10-12 | 2023-11-14 | 山东蓝驰节能环保科技有限公司 | Device and process for recycling VOC (volatile organic compounds) in waste gas |
| CN117046255B (en) * | 2023-10-12 | 2023-12-19 | 山东蓝驰节能环保科技有限公司 | Device and process for recycling VOC (volatile organic compounds) in waste gas |
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