CN115532000A - Oil gas recovery device for chemical product intermediate tank - Google Patents
Oil gas recovery device for chemical product intermediate tank Download PDFInfo
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- CN115532000A CN115532000A CN202211477170.XA CN202211477170A CN115532000A CN 115532000 A CN115532000 A CN 115532000A CN 202211477170 A CN202211477170 A CN 202211477170A CN 115532000 A CN115532000 A CN 115532000A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/26—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies rotatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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Abstract
The invention belongs to the technical field of petrochemical industry, and discloses an oil gas recovery device for a chemical product intermediate tank. The invention changes the increase of oil gas into the change of pressure value through the increased oil gas, forces the piston plate to move upwards by utilizing the gradually increased pressure, forces the oil gas to be discharged after the piston plate reaches a certain position so as to carry out subsequent treatment, avoids the problem that the traditional device directly discharges the oil gas into the atmosphere after the oil gas content increases and forces the pressure in the tank body to increase, can realize that the oil gas is automatically led out for subsequent treatment when reaching a certain content in a relatively closed environment, avoids the direct pollution of the atmosphere and the danger caused by the oil gas in the production link, and is suitable for oil storage places to use.
Description
Technical Field
The invention belongs to the technical field of petrochemical industry, and particularly relates to an oil gas recovery device for a chemical product tundish.
Background
In the process of storing chemical products such as petroleum, a vault tank or a horizontal tank is generally used as a temporary storage tank for tested petroleum products, so the vault tank and the horizontal tank which are used for temporary storage are also called as an intermediate tank and are generally used as temporary storage and intermediate tank bodies of the petroleum products and the like, wherein the vault tank refers to a steel container with a spherical crown-shaped tank top and a cylindrical tank body, the horizontal oil tank is composed of an end cover, a horizontal circular or elliptical tank wall and a saddle and is generally used in a production link or a gas station, the volume of the horizontal oil tank is generally less than 100 cubic meters, the horizontal oil tank is generally circular, elliptical or other irregular shapes, and due to certain volatility of the petroleum products, when the oil quantity in the oil tank is reduced, the oil gas content is increased, namely the oil gas in the oil tank exists frequently, and the oil gas and the air are mixed to have certain explosive property and high danger.
When the oil in the oil tank inside is used gradually, along with the increase of use, the inside liquid oil content of oil tank reduces gradually, and the inside oil gas content of oil tank can increase gradually, in order to prevent the too big oil tank explosion scheduling problem that causes of pressure that causes of oil gas content among the prior art, can install the breather valve on the oil tank, but the breather valve can only increase storage tank gas space's pressure, postpone the oil gas time of discharging to atmosphere, when too big pressure, the breather valve can be opened, oil gas still can be discharged to the atmosphere through the breather valve this moment, obviously still can cause the pollution to the environment, some devices can avoid the detonation phenomenon that oil gas and air contact initiate with oil gas and nitrogen gas mixture, but still can discharge to the atmosphere after oil gas and nitrogen gas mixture and cause the waste of resource, can not satisfy the use.
Along with the constantly platform of environmental protection policy, can handle to the oil gas that discharges to the atmosphere among the prior art, generally adopt filtration and absorbent method to carry out the separation of oil gas and air, reuse desorption technique after oil gas and air separation and carry out the desorption of oil gas and reuse the condensation technique and carry out the condensation, although can effectual oil gas and air separate at this in-process, reach clean emission and the mesh of retrieving, but whole recovery in-process power consumption is higher, when oil gas content is not enough, the required energy of recovery will be not enough to offset the economic effect that the recovery oil gas brought, and high cost, energy utilization is relatively poor.
Disclosure of Invention
The invention aims to provide an oil gas recovery device for a chemical product intermediate tank, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides an oil gas recovery unit for chemical products pans, is including inhaling the material subassembly, the right-hand member intercommunication of inhaling the material subassembly has preliminary separation subassembly, preliminary separation subassembly's top intercommunication has secondary separation subassembly, secondary separation subassembly's right-hand member intercommunication has the desorption subassembly, secondary separation subassembly's rear end intercommunication has the circulating pipe, the middle part fixed mounting of circulating pipe has the condenser, the fixed intercommunication of output of circulating pipe has the backward flow subassembly that is located preliminary separation subassembly below, the output of backward flow subassembly is located the lower right corner of inhaling the material subassembly, inhale and expect subassembly, preliminary separation subassembly, secondary separation subassembly and desorption subassembly and backward flow subassembly all with be connected between the outside frame, inhale and expect that the subassembly is located the oil storage tank directly over, inhale the material subassembly including inhaling the material jar, the bottom mounting intercommunication that inhales the material jar has the feed inlet, the feed inlet is located the inside of oil storage tank and is connected through the flange between the oil storage tank.
When the device is used, a feeding hole at the bottom end of the suction tank is connected with an exhaust port of the storage tank, liquid petroleum does not contact the bottom end of the feeding hole, and meanwhile, the power supply of the whole device is connected to complete preparation work before recovery and installation work of the device.
As a further technical scheme, a piston plate is movably sleeved inside the material suction tank, the diameter of the piston plate is the same as the inner diameter of the material suction tank, a guide rod is fixedly installed in the middle of an inner cavity of the material suction tank, the inside of the piston plate is movably sleeved with the outer side surface of the guide rod, and the piston plate can move up and down relative to the guide rod.
According to a further technical scheme, a guide rod is movably sleeved on the outer side surface of the guide rod, the upper end and the lower end of the guide rod are fixedly connected with the top end of a piston plate and the top end of an inner cavity of a material suction tank respectively, a temporary storage tank is fixedly sleeved on the position, close to the top end, of the outer side surface of the piston plate, discharge chutes located inside the temporary storage tank are formed in the left side and the right side, close to the top end, of the outer side surface of the piston plate, a first material conveying pipe is fixedly communicated with the top end of the temporary storage tank, a one-way valve is fixedly installed at the output end of the first material conveying pipe, and the direction of the valve is outward conducting and inward stopping.
Along with the reduction of the inside liquid oil content of storage tank, the inside oil gas content of storage tank increases gradually, the inside that the oil gas of increase can get into the suction tank through the feed inlet, and along with the increase of oil gas content, the produced pressure of oil gas increases thereupon, the pressure that piston plate bottom bore increases thereupon, the piston plate shifts up with the relative guide bar thereupon, reset spring is compressed this moment, the piston plate shifts up to the suction tank mutually, when oil gas content reachs to a certain extent, the piston plate is lifted to the top of blown down tank this moment, oil gas gets into the inside of keeping in the jar through the blown down tank thereupon this moment, and the inside of getting into primary separation subassembly through first conveying pipeline discharge after carrying out the short time storage in the inside of keeping in the jar is handled.
Through the mobility that utilizes oil gas, and the oil gas that increases gradually changes the increase of oil gas into the pressure value change, utilize the pressure that increases gradually, force the shifting up of piston plate, and make it force the oil gas to discharge after reaching a certain position, in order to carry out subsequent processing, avoid traditional device to force jar problem in the direct emission to the atmosphere after the internal pressure of body increases when oil gas content increases, can realize that oil gas exports when reaching certain content and carries out subsequent processing when airtight environment relatively, avoid oil gas in the danger that produces link direct pollution atmosphere and cause, be fit for the oil storage place and use.
As a further technical scheme, the preliminary separation assembly comprises a power tank, the left end of the power tank is communicated with the other end of the first material conveying pipe through a flange, the right end of the power tank is fixedly communicated with a second material conveying pipe, a main shaft is movably mounted in the power tank, an impeller positioned in the power tank is fixedly mounted on the outer side surface of the main shaft, and the output end of the second material conveying pipe is fixedly communicated with the material conveying tank.
As a further technical scheme, the preliminary separation assembly further comprises a centrifugal separation tank, the material conveying tank is movably sleeved with the centrifugal separation tank, the material conveying tank is communicated with the interior of the centrifugal separation tank, a second transmission shaft is fixedly sleeved on the position, close to the bottom end, of the outer side surface of the centrifugal separation tank, the top end of the main shaft penetrates through the top end of the power tank and is fixedly provided with a first transmission shaft, a transmission belt is movably sleeved on the outer side surface of the first transmission shaft, the other end of the transmission belt is movably sleeved with the outer side surface of the second transmission shaft, and the first transmission shaft is in transmission connection with the second transmission shaft through the transmission belt.
As a further technical scheme, centrifugal holes are formed in the outer side surface of the centrifugal separation tank in a circumferential mode, a first adsorption tank is movably sleeved on the outer side surface of the centrifugal separation tank, the first adsorption tank is connected with an external rack, a waste discharge pipe is fixedly communicated with the top end of the centrifugal separation tank, the top end of the waste discharge pipe penetrates through the first adsorption tank and is located on the outer side surface of the first adsorption tank, discharge holes are formed in the left side and the right side of the top end of the first adsorption tank, and the centrifugal separation tank can rotate relative to the material conveying tank and the first adsorption tank.
When oil gas enters the power tank through a first narrow conveying pipe, the flow rate of the oil gas is increased due to the change of the pipe diameter, the oil gas can directly push an impeller to rotate and then drive a main shaft to rotate, meanwhile, the oil gas can enter the inside of the oil conveying tank through a second conveying pipe after pushing the impeller to rotate and flows into the inside of a centrifugal separation tank along with the oil conveying tank, the main shaft can synchronously drive a first transmission shaft to rotate so as to drive a second transmission shaft to rotate through a transmission belt during rotation, and synchronously drive the centrifugal separation tank to rotate, at the moment, the centrifugal separation tank rotates at a high speed to generate centrifugal force, and because the oil density is greater than the air density, oil components contained in the oil gas can be thrown out through a centrifugal hole and enter the inside of a first adsorption tank and are discharged through a discharge hole, and air containing partial oil is separated and can be led out through a waste discharge pipe, and the primary separation process of the oil gas is completed.
Through utilizing the difference of oil density and air density to utilize centrifugal force to carry out simple separation with oil and air under the effect of high-speed rotation, rotatory power comes from the flow of oil gas simultaneously, utilizes the mobility of self to accomplish the simple separation process of oil gas, accomplishes preliminary treatment, and need not to use extra power source, and resource utilization is higher.
As a further technical scheme, the secondary separation assembly comprises a secondary adsorption tank, a through hole is formed in the bottom end of the secondary adsorption tank, the waste discharge pipe penetrates through the through hole, is located inside the secondary adsorption tank and is communicated with the secondary adsorption tank, the left side and the right side of the bottom end of the secondary adsorption tank are fixedly communicated with communicating pipes, the communicating pipes are communicated with the discharge hole, and a discharge opening is formed in the position, close to the top end, behind the secondary adsorption tank.
As a further technical scheme of the invention, an active fiber membrane is movably mounted at a position close to the bottom end of an inner cavity of the secondary adsorption tank, active carbon positioned above the active fiber membrane is movably mounted in the inner cavity of the secondary adsorption tank, a detachable access cover is movably mounted at the top end of the secondary adsorption tank, and the output end of the discharge outlet is communicated with the input end of the circulating pipe.
The bottom that contains partial oil through arranging the bottom that the waste pipe after-separating can directly get into the active fiber membrane, get into the top of secondary adsorption tank after the adsorption effect of active fiber membrane and active carbon gets rid of most oil again, bin outlet internal valve is in the closed condition this moment in the disengaging process, the oil gas that simultaneously lets in through communicating pipe can get into the bottom of secondary adsorption tank and get into the top of secondary adsorption tank after the oil separation through the adsorption of active fiber membrane and active carbon equally, and the pipeline through the secondary adsorption tank right-hand member gets into the inside of desorption subassembly, accomplish the secondary separation process.
Through the separation process of preliminary and secondary, can adsorb the filtration simultaneously with the air that contains partial petroleum material behind the oil gas of preliminary filtration and the separation, oil gas and the petroleum material in the air separate the absorption when will preliminary filtration, obtain the air of less petroleum content, realize the separation process in the recovery step, and through the secondary separation, separation efficiency is higher, is fit for recycling in batches.
As a further technical scheme of the present invention, the desorption assembly includes a waste gas output pipe, a left end of the waste gas output pipe is communicated with a right end of an outer side surface of the secondary adsorption tank, a combustion chamber is arranged at a bottom end of the waste gas output pipe, the waste gas output pipe is fixedly communicated with a left side of a top end of the combustion chamber, a water storage tank is fixedly installed inside the combustion chamber, a bottom end of the water storage tank penetrates through a bottom end of the combustion chamber and is fixedly communicated with a water inlet valve, a right side of the top end of the combustion chamber is fixedly communicated with a pressure release valve, a top end of the water storage tank penetrates through the combustion chamber and is fixedly communicated with a steam output pipe, the other end of the steam output pipe is communicated with a top end of the secondary adsorption tank, an electromagnetic one-way valve is installed at an output end of the steam output pipe, a one-way valve is installed at an output end of the waste gas output pipe, and directions of the valves are respectively outward conduction and inward cut-off and inward conduction and outward cut-on.
Air containing a very small amount of petroleum components after being filtered by the secondary separation component can directly enter the combustion chamber through the waste gas output pipe, cold water needs to be injected into the water storage tank through the water inlet valve, the electronic igniter located inside the combustion chamber is opened at the same time, the petroleum part in the air is ignited by electric sparks generated by the electronic igniter to burn, the temperature generated by burning can be absorbed by the cold water inside the water storage tank and enables the cold water to boil, when the temperature sensor inside the water storage tank detects that the water is boiled, the electromagnetic one-way valve of the steam output pipe can be opened, the single-way valve, the communication pipe and the valve of the waste gas output pipe are closed, the oil gas is stopped from entering, high-temperature steam can enter the secondary adsorption tank through the steam output pipe, at the moment, high-normal steam can be reversely acted on the activated carbon and the activated fiber membrane to desorb the activated carbon and remove attached petroleum substances, and when the water inside the water in the water storage tank is completely evaporated, desorption treatment is completed, and the discharge port valve is opened.
Through the secondary separation who utilizes oil gas, and utilize the oil material of few content in the air after the separation, utilize its produced huge heat heating cold water after lighting, and produce the direct reverse action of vapor and adsorb the oil material, accomplish the desorption processing, avoided traditional device to need set up a plurality of devices and carry out the separation and the absorption and the desorption process of oil gas, and the problem of the required more external energy, utilized the air that contains residual petroleum gas, carry out make full use of to it, accomplish the zero release basically when having reduced external energy consumption, make it no longer to discharge the gas that contains petroleum in the atmosphere, realized clean emission when improving resource utilization, be fit for installing in batches and use.
As a further technical scheme, the backflow component comprises a backflow box, the right end of the backflow box is fixedly communicated with the output end of the circulating pipe, the backflow box is located right below the power tank, a speed change gear box is fixedly mounted inside the backflow box, the input end of the speed change gear box is connected with the bottom end of the main shaft, extension shafts are fixedly mounted on the left side and the right side of the output end of the speed change gear box, stop blocks are fixedly mounted on the outer side surfaces of the extension shafts, the height of each stop block is the same as that of an inner cavity of the backflow box, and the outer side surfaces of the stop blocks are attached to the inner side surfaces of the backflow box.
Clean oil gas after accomplishing desorption processing can directly get into the inside of circulating pipe through the bin outlet, and can open the condenser in step and carry out condensation treatment to the oil gas of circulating pipe inside and make it change into liquid, and get into the inside of backward flow subassembly along with the transport of circulating pipe, the rotatory action of main shaft under the oil gas promotion can drive change gear box's input in step simultaneously and rotate, can adjust the rotational speed of change gear box output according to the increase of the inside liquid oil content of storage tank this moment, accessible extension axle drives the dog rotation when change gear box output rotates, and can block the input and the output of backward flow case when two dogs rotate to the left and right sides of backward flow case, close the output of oil, and the rotational speed is slower, the output speed of retrieving oil is slower, otherwise faster, finally accomplish the recovery process in the storage tank through the back flow.
Utilize once more through the mobility to oil gas, utilize the rotatory effect that its produced to make the dog take place the rotation in a circumferential direction, and utilize the recovered oil of dog to block, the interval that utilizes to block changes the output rate of recovering oil, the problem of probably causing storage tank internal pressure too high in the oil that avoids retrieving in the traditional device directly gets into the storage tank, come to make the adaptability adjustment according to jar body pressure through changing output rate, the power source comes from the input of oil gas simultaneously, need not extra power source, energy utilization is high, and can be popularized and used.
The invention has the following beneficial effects:
1. the invention utilizes the mobility of oil gas and the gradually increased oil gas to convert the increase of the oil gas into the change of the pressure value, utilizes the gradually increased pressure to force the piston plate to move upwards and force the oil gas to be discharged after the piston plate reaches a certain position so as to carry out subsequent treatment, avoids the problem that the traditional device directly discharges the oil gas into the atmosphere after the oil gas content is increased and the pressure in the tank body is increased, can realize the automatic guide of the oil gas to carry out the subsequent treatment when the oil gas reaches a certain content in a relatively closed environment, avoids the danger caused by the direct pollution of the oil gas to the atmosphere in a production link, and is suitable for oil storage places to use.
2. The invention utilizes the secondary separation of oil gas, utilizes the petroleum substance with little content in the separated air, heats cold water by using huge heat generated after the oil gas is ignited, generates steam to directly and reversely act on the adsorbed petroleum substance, completes desorption treatment, avoids the problems that a plurality of devices are required to be arranged for the separation, adsorption and desorption processes of the oil gas and more external energy is required in the traditional device, utilizes the air containing residual petroleum gas, fully utilizes the air, reduces the consumption of the external energy, basically realizes zero emission, ensures that the air containing the petroleum is not discharged to the atmosphere any more, improves the utilization rate of resources, realizes clean discharge at the same time, and is suitable for batch installation and use.
3. The invention utilizes the fluidity of the oil gas again, utilizes the rotation effect generated by the oil gas to enable the stop block to rotate circumferentially, utilizes the recovered oil of the stop block to block, utilizes the blocking interval to change the output speed of the recovered oil, avoids the problem that the pressure in the storage tank is overhigh when the recovered oil in the traditional device directly enters the storage tank, makes adaptive adjustment according to the pressure of the tank body by changing the output speed, simultaneously, the power source is from the input of the oil gas, does not need additional power source, has extremely high energy utilization rate, and can be popularized and used.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is an isolated cross-sectional view of the construction of the suction assembly of the present invention;
FIG. 4 is an internal cross-sectional view of the construction of the preliminary separation assembly of the present invention;
FIG. 5 is an isolated sectional view of the centrifuge tank configuration of the present invention;
FIG. 6 is a schematic view of the secondary separation assembly and desorption assembly of the present invention;
fig. 7 is a sectional view of the internal structure of the desorption assembly of the invention;
FIG. 8 is a schematic view of the construction of the circulation tube and return assembly of the present invention in combination;
fig. 9 is an isolated sectional view of the internal structure of the reflow assembly of the present invention.
In the figure: 1. a material suction assembly; 101. a material sucking tank; 102. a feed inlet; 103. a piston plate; 104. a guide bar; 105. a return spring; 106. a discharge chute; 107. a temporary storage tank; 108. a first feed delivery pipe; 2. a preliminary separation assembly; 201. a power tank; 202. a second delivery pipe; 203. a main shaft; 204. an impeller; 205. a first transmission shaft; 206. a second drive shaft; 207. a transmission belt; 208. a material conveying tank; 209. a centrifugal separation tank; 2010. a centrifugal hole; 2011. a waste discharge pipe; 2012. a first adsorption tank; 2013. a discharge hole; 3. a secondary separation assembly; 301. a secondary adsorption tank; 302. a communicating pipe; 303. a reactive fiber membrane; 304. activated carbon; 305. a discharge outlet; 4. a desorption assembly; 401. an exhaust gas outlet pipe; 402. a combustion chamber; 403. a water storage tank; 404. a water inlet valve; 405. a pressure relief valve; 406. a steam output pipe; 5. a circulation pipe; 6. a condenser; 7. a reflow assembly; 701. a return tank; 702. a return pipe; 703. a change speed gear box; 704. an extension shaft; 705. and a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, in the embodiment of the present invention, an oil gas recovery device for a chemical product intermediate tank includes a material suction assembly 1, a primary separation assembly 2 is communicated with a right end of the material suction assembly 1, a secondary separation assembly 3 is communicated with a top end of the primary separation assembly 2, a desorption assembly 4 is communicated with a right end of the secondary separation assembly 3, a circulation pipe 5 is communicated with a rear end of the secondary separation assembly 3, a condenser 6 is fixedly installed in a middle portion of the circulation pipe 5, a backflow assembly 7 located below the primary separation assembly 2 is fixedly communicated with an output end of the circulation pipe 5, an output end of the backflow assembly 7 is located at a lower right corner of the material suction assembly 1, the primary separation assembly 2, the secondary separation assembly 3, the desorption assembly 4 and the backflow assembly 7 are all connected with an external rack, the material suction assembly 1 is located directly above a petroleum storage tank, the material suction assembly 1 includes a material suction tank 101, a bottom end of the material suction tank 101 is fixedly communicated with a feed inlet 102, and the feed inlet 102 is located inside the petroleum storage tank and connected with the petroleum storage tank through a flange.
When the device is used, firstly, a feeding hole 102 at the bottom end of the suction tank 101 needs to be connected with an exhaust port of the storage tank, liquid petroleum does not contact the bottom end of the feeding hole 102, and meanwhile, the power supply of the whole device is connected, so that preparation work before recovery and installation work of the device are completed.
As shown in fig. 3, a piston plate 103 is movably sleeved inside the material suction tank 101, the diameter of the piston plate 103 is the same as the inner diameter of the material suction tank 101, a guide rod 104 is fixedly installed in the middle of the inner cavity of the material suction tank 101, the inside of the piston plate 103 is movably sleeved with the outer side surface of the guide rod 104, the piston plate 103 can move up and down relative to the guide rod 104, the guide rod 104 is movably sleeved on the outer side surface of the guide rod 104, the upper end and the lower end of the guide rod 104 are respectively fixedly connected with the top end of the piston plate 103 and the top end of the inner cavity of the material suction tank 101, a temporary storage tank 107 is fixedly sleeved on the position of the outer side surface of the piston plate 103 close to the top end, discharge chutes 106 located inside the temporary storage tank 107 are respectively arranged on the left side and the right side of the outer side surface of the piston plate 103 close to the top end, the top end of the temporary storage tank 107 is fixedly communicated with a first material conveying pipe 108, and the output end of the first material conveying pipe 108 is fixedly installed with a one-way valve and the direction of the valve is outwards communicated and inwards stopped.
The first embodiment:
along with the reduction of the content of the liquid petroleum in the storage tank, the content of the oil gas in the storage tank is gradually increased, the increased oil gas can enter the suction tank 101 through the feed port 102, along with the increase of the content of the oil gas, the pressure generated by the oil gas is increased, the pressure borne by the bottom end of the piston plate 103 is increased, the piston plate 103 moves upwards relative to the guide rod 104, at the moment, the reset spring 105 is compressed, the piston plate 103 moves upwards relative to the suction tank 101, when the content of the oil gas reaches a certain degree, the piston plate 103 is lifted to the upper part of the discharge chute 106 at the moment, the oil gas enters the temporary storage tank 107 through the discharge chute 106 at the moment, and the oil gas is discharged through the first delivery pipe 108 after being temporarily stored in the temporary storage tank 107 to enter the interior of the primary separation assembly 2 for processing.
Through the mobility that utilizes oil gas, and the oil gas that increases gradually changes the increase of oil gas into the pressure value change, utilize the pressure that increases gradually, force the shifting up of piston plate 103, and make it force the oil gas to discharge after reaching a certain position, in order to carry out subsequent processing, avoid traditional device to force jar problem of direct emission to the atmosphere after the internal pressure of body increases when oil gas content increases, can realize oil gas automatic derivation when reaching certain content under the relatively inclosed environment and carry out subsequent processing, avoid oil gas in the danger that produces link direct pollution atmosphere and cause, be fit for the oil storage place and use.
As shown in fig. 4 and fig. 5, the primary separating assembly 2 includes a power tank 201, a left end of the power tank 201 is communicated with the other end of the first material conveying pipe 108 through a flange, a right end of the power tank 201 is fixedly communicated with a second material conveying pipe 202, a main shaft 203 is movably installed inside the power tank 201, an impeller 204 located inside the power tank 201 is fixedly installed on an outer side surface of the main shaft 203, an output end of the second material conveying pipe 202 is fixedly communicated with a material conveying tank 208, the primary separating assembly 2 further includes a centrifugal separating tank 209, the material conveying tank 208 is movably sleeved with the centrifugal separating tank 209, the material conveying tank 208 is communicated with an inside of the centrifugal separating tank 209, a second transmission shaft 206 is fixedly sleeved on a position, close to a bottom end, of the outer side surface of the centrifugal separating tank 209, a top end of the main shaft 203 penetrates through a top end of the power tank 201 and is fixedly installed with a first transmission shaft 205, the drive belt 207 has been cup jointed in the activity of the lateral surface of first transmission shaft 205, the other end of drive belt 207 is cup jointed in the activity of the lateral surface of second transmission shaft 206, first transmission shaft 205 passes through the drive belt 207 and is connected with the transmission between second transmission shaft 206, centrifugal separation jar 209's the outside is personally submitted the circumference and has been described and has been seted up centrifugal hole 2010, centrifugal separation jar 209's lateral surface activity has been cup jointed first adsorption jar 2012, be connected between first adsorption jar 2012 and the outside frame, the fixed intercommunication in top of centrifugal separation jar 209 has exhaust pipe 2011, exhaust pipe 2011's top runs through first adsorption jar 2012 and is located the lateral surface of first adsorption jar 2012, discharge opening 2013 has all been seted up to the left and right sides on first adsorption jar 2012 top, centrifugal separation jar 209 can be relative transmission jar 208 and first adsorption jar 2012 rotates.
When oil gas enters the power tank 201 through the narrow first delivery pipe 108, the flow rate of the oil gas is increased due to the change of the pipe diameter, and then the impeller 204 can be directly pushed to rotate so as to drive the spindle 203 to rotate, meanwhile, the oil gas can enter the interior of the delivery tank 208 through the second delivery pipe 202 after the impeller 204 is pushed to rotate, and flows into the interior of the centrifugal separation tank 209 along with the delivery tank 208, the spindle 203 synchronously drives the first transmission shaft 205 to rotate when rotating, and then drives the second transmission shaft 206 to rotate through the transmission belt 207, and synchronously drives the centrifugal separation tank 209 to rotate, at the moment, the centrifugal separation tank 209 rotates at a high speed to generate centrifugal force, because the oil density is greater than the air density, oil components contained in the oil gas can be thrown out through the centrifugal holes 2010 and enter the interior of the first adsorption tank 2012 and discharged through the discharge holes 2013, and the separated air containing part of the oil can be led out through the waste exhaust pipe 2011, and the primary separation process of the oil gas is completed.
Through utilizing the difference of oil density and air density to utilize centrifugal force to carry out simple separation with oil and air under the effect of high-speed rotation, rotatory power comes from the flow of oil gas simultaneously, utilizes the mobility of self to accomplish the simple separation process of oil gas, accomplishes preliminary treatment, and need not to use extra power source, and resource utilization is higher.
As shown in fig. 6, the secondary separation assembly 3 includes a secondary adsorption tank 301, a through hole has been seted up to the bottom of secondary adsorption tank 301, waste discharge pipe 2011 runs through the through hole and is located the inside of secondary adsorption tank 301 and is linked together between the secondary adsorption tank 301, both sides all are fixed the intercommunication have communicating pipe 302 about the secondary adsorption tank 301 bottom, be linked together between communicating pipe 302 and discharge opening 2013, discharge opening 305 has been seted up on the position that secondary adsorption tank 301 rear is close to the top, movable mounting has active fiber membrane 303 on the position that secondary adsorption tank 301 inner chamber is close to the bottom, the inner chamber movable mounting of secondary adsorption tank 301 has the active carbon 304 that is located active fiber membrane 303 top, movable mounting has the access cover that can supply the dismantlement on the top of secondary adsorption tank 301, the output of discharge opening 305 is linked together with the input of circulating pipe 5.
The air that contains partial petroleum through arranging waste pipe 2011 after the separation can directly get into the bottom of active fiber membrane 303, get into the top of secondary adsorption tank 301 after most petroleum is got rid of to the adsorption of active fiber membrane 303 and active carbon 304 again, the bin outlet 305 internal valve is in the closed condition this moment in the disengaging process, the oil gas that simultaneously lets in through communicating pipe 302 can get into the bottom of secondary adsorption tank 301 and also get into the top of secondary adsorption tank 301 after the oil separation through the adsorption of active fiber membrane 303 and active carbon 304, and get into the inside of desorption subassembly 4 through the pipeline of secondary adsorption tank 301 right-hand member, accomplish the secondary separation process.
Through the separation process of preliminary and secondary, can adsorb the filtration simultaneously with the air that contains partial petroleum material behind the oil gas of preliminary filtration and the separation, oil gas and the petroleum material in the air separate the absorption when will preliminary filtration, obtain the air of less petroleum content, realize the separation process in the recovery step, and through the secondary separation, separation efficiency is higher, is fit for recycling in batches.
As shown in fig. 6 and 7, the desorption assembly 4 includes a waste gas output pipe 401, the left end of the waste gas output pipe 401 is communicated with the right end of the outer side surface of the secondary adsorption tank 301, a combustion chamber 402 is arranged at the bottom end of the waste gas output pipe 401, the waste gas output pipe 401 is fixedly communicated with the left side of the top end of the combustion chamber 402, a water storage tank 403 is fixedly installed inside the combustion chamber 402, the bottom end of the water storage tank 403 penetrates through the bottom end of the combustion chamber 402 and is fixedly communicated with a water inlet valve 404, a pressure release valve 405 is fixedly communicated with the right side of the top end of the combustion chamber 402, the top end of the water storage tank 403 penetrates through the combustion chamber 402 and is fixedly communicated with a steam output pipe 406, the other end of the steam output pipe 406 is communicated with the top end of the secondary adsorption tank 301, an electromagnetic one-way valve is installed at the output end of the steam output pipe 406, a one-way valve is installed at the output end of the waste gas output pipe 401, the directions of the valve are respectively outward conduction, inward conduction and inward and outward and inward and outward blocking, an electronic fire maker is installed inside the combustion chamber 402, and a temperature sensor is installed inside the tank 403.
The second embodiment:
after the air containing a very small amount of petroleum components filtered by the secondary separation assembly 3 directly enters the combustion chamber 402 through the exhaust gas outlet pipe 401, cold water is injected into the water storage tank 403 through the water inlet valve 404, meanwhile, the electronic igniter located inside the combustion chamber 402 is opened, the electronic igniter generates electric sparks to ignite petroleum components in the air for combustion, the temperature generated by combustion is absorbed by the cold water inside the water storage tank 403 and promotes the cold water to boil, when the temperature sensor inside the water storage tank 403 detects that the water is boiled, the electromagnetic check valve of the steam outlet pipe 406, the single-way valve and the communication pipe 302 of the exhaust gas outlet pipe 401, and the valve of the waste discharge pipe 2011 are opened, the oil and gas are stopped from entering, and high-temperature steam enters the secondary adsorption tank 301 through the steam outlet pipe 406, at this time, high-normal-steam can reversely act on the activated carbon 304 and the activated fiber membrane 303 to perform desorption treatment on the activated carbon 304 and the activated fiber membrane 303, and the attached petroleum substances are removed, and when the water inside the water storage tank 403 is completely evaporated, the discharge port 305 is opened, desorption treatment is completed, and the valve is opened, so that desorption is performed.
Through the secondary separation that utilizes oil gas, and utilize the oil material of few content in the air after the separation, utilize its produced huge heat heating cold water after lighting, and produce the direct reverse action of vapor and carry out the absorption oil material, accomplish the desorption processing, avoided traditional device to need set up a plurality of devices and carry out the separation and the absorption and desorption process of oil gas, and the problem of the required more external energy, utilized the air that contains residual petroleum gas, fully utilized it, accomplish the zero release when having reduced external energy consumption basically, make it no longer to discharge the gas that contains petroleum in the atmosphere, realize clean emission when improving resource utilization, be fit for installing in batches and use.
As shown in fig. 5 and 9, the backflow component 7 includes a backflow tank 701, a right end of the backflow tank 701 is fixedly communicated with an output end of the circulation pipe 5, the backflow tank 701 is located right below the power tank 201, a speed change gear box 703 is fixedly installed inside the backflow tank 701, an input end of the speed change gear box 703 is connected with a bottom end of the main shaft 203, extension shafts 704 are fixedly installed on left and right sides of an output end of the speed change gear box 703, stoppers 705 are fixedly installed on outer side surfaces of the extension shafts 704, heights of the stoppers 705 are the same as heights of an inner cavity of the backflow tank 701, outer side surfaces of the stoppers 705 are attached to the inner side surfaces of the backflow tank 701, and the output end of the backflow pipe 702 is connected with the storage tank.
The third embodiment:
clean oil gas after desorption directly enters the inside of the circulating pipe 5 through the discharge port 305, the condenser 6 can be synchronously opened to condense the oil gas in the circulating pipe 5 to convert the oil gas into liquid, the oil gas enters the inside of the backflow component 7 along with the conveying of the circulating pipe 5, meanwhile, the rotation action of the main shaft 203 under the pushing of the oil gas can synchronously drive the input end of the speed change gear box 703 to rotate, at the moment, the rotation speed of the output end of the speed change gear box 703 can be adjusted according to the increase of the content of liquid oil in the storage tank, when the output end of the speed change gear box 703 rotates, the stopper 705 can be driven to rotate by the extension shaft 704, when the two stoppers 705 rotate to the left side and the right side of the backflow tank 701, the input and the output of the oil can be stopped, and the output speed of the oil is reduced, otherwise, and finally the oil flows back to the storage tank through the backflow pipe 702 to complete the recovery process.
Utilize once more through the mobility to the oil gas, utilize the rotation effect that its produced to make dog 705 take place the circumferential direction rotation, and utilize the recovery oil of dog 705 to block, the interval that utilizes to block changes the output rate of retrieving oil, the problem that can cause the storage tank internal pressure too high in the oil direct entering storage tank of retrieving in the avoided traditional device, come to make adaptability adjustment according to jar body pressure through changing output rate, the power source comes from the input of oil gas simultaneously, need not extra power source, energy utilization is high, and can be popularized and used.
The working principle and the using process are as follows:
along with the reduction of the content of liquid petroleum in the storage tank, the content of oil gas in the storage tank is gradually increased, the increased oil gas can enter the suction tank 101 through the feed port 102, along with the increase of the content of the oil gas, the pressure generated by the oil gas is increased, the pressure borne by the bottom end of the piston plate 103 is increased, the piston plate 103 moves upwards relative to the guide rod 104, the reset spring 105 is compressed, the piston plate 103 moves upwards relative to the suction tank 101, when the content of the oil gas reaches a certain degree, the piston plate 103 is lifted to the upper part of the discharge chute 106, the oil gas enters the temporary storage tank 107 through the discharge chute 106, and is discharged through the first delivery pipe 108 after being temporarily stored in the temporary storage tank 107 to enter the interior of the primary separation assembly 2 for processing;
when oil gas enters the power tank 201 through the narrow first delivery pipe 108, the flow rate of the oil gas is increased due to the change of the pipe diameter, the impeller 204 is directly pushed to rotate so as to drive the main shaft 203 to rotate, meanwhile, the oil gas enters the delivery tank 208 through the second delivery pipe 202 after the impeller 204 is pushed to rotate and flows into the centrifugal separation tank 209 along with the delivery tank 208, the first transmission shaft 205 is synchronously driven to rotate when the main shaft 203 rotates, the second transmission shaft 206 is driven to rotate through the transmission belt 207, and the centrifugal separation tank 209 is synchronously driven to rotate, at the moment, the centrifugal separation tank 209 rotates at a high speed to generate centrifugal force, and because the oil density is greater than the air density, oil components contained in the oil gas are thrown out through the centrifugal holes 2010 and enter the first adsorption tank 2012 and are discharged through the discharge holes 2013, and the separated air containing part of the oil is discharged through the waste pipe 2011, so that the primary separation process of the oil gas is completed;
the air containing part of petroleum separated by the waste discharge pipe 2011 directly enters the bottom end of the active fiber membrane 303, most of petroleum is removed by the adsorption action of the active fiber membrane 303 and the active carbon 304 and then enters the top end of the secondary adsorption tank 301, at the moment, the valve inside the discharge port 305 is in a closed state in the separation process, meanwhile, the oil gas introduced through the communicating pipe 302 enters the bottom end of the secondary adsorption tank 301, the petroleum is separated by the adsorption of the active fiber membrane 303 and the active carbon 304 and then enters the top end of the secondary adsorption tank 301, and the oil gas enters the inside of the desorption assembly 4 through the pipeline at the right end of the secondary adsorption tank 301, so that the secondary separation process is completed;
after being filtered by the secondary separation assembly 3, air containing a very small amount of petroleum components directly enters the combustion chamber 402 through the waste gas output pipe 401, meanwhile, cold water is injected into the water storage tank 403 through the water inlet valve 404, meanwhile, the electronic igniter located inside the combustion chamber 402 is opened, electric sparks are generated by the electronic igniter to ignite petroleum components in the air to burn, the temperature generated by burning is absorbed by the cold water inside the water storage tank 403 and causes the cold water to boil, when a temperature sensor inside the water storage tank 403 detects that the water boils, an electromagnetic one-way valve of the steam output pipe 406 and valves of the one-way valve, the communicating pipe 302 and the waste discharge pipe 2011 of the waste gas output pipe 401 are opened, the oil and gas are stopped from entering, high-temperature steam enters the secondary adsorption tank 301 through the steam output pipe 406, at the moment, high positive steam acts on the activated carbon 304 and the activated fiber membrane 303 in a reverse direction to perform desorption treatment on the activated carbon 304 and the activated fiber membrane 303, adhered petroleum substances are removed, and when the water inside the water storage tank 403 is completely evaporated, the desorption treatment is completed, and the valve of the water storage port 305 is opened to perform desorption treatment;
clean oil gas after desorption directly enters the inside of the circulating pipe 5 through the discharge port 305, the condenser 6 can be synchronously opened to condense the oil gas in the circulating pipe 5 to convert the oil gas into liquid, the oil gas enters the inside of the backflow component 7 along with the conveying of the circulating pipe 5, meanwhile, the rotation action of the main shaft 203 under the pushing of the oil gas can synchronously drive the input end of the speed change gear box 703 to rotate, at the moment, the rotation speed of the output end of the speed change gear box 703 can be adjusted according to the increase of the content of liquid oil in the storage tank, when the output end of the speed change gear box 703 rotates, the stopper 705 can be driven to rotate by the extension shaft 704, when the two stoppers 705 rotate to the left side and the right side of the backflow tank 701, the input and the output of the oil can be stopped, and the output speed of the oil is reduced, otherwise, and finally the oil flows back to the storage tank through the backflow pipe 702 to complete the recovery process.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an oil gas recovery unit for chemical products pans, is including inhaling material subassembly (1), its characterized in that: inhale the right-hand member intercommunication of material subassembly (1) and have preliminary separation subassembly (2), the top intercommunication of preliminary separation subassembly (2) has secondary separation subassembly (3), the right-hand member intercommunication of secondary separation subassembly (3) has desorption subassembly (4), the rear end intercommunication of secondary separation subassembly (3) has circulating pipe (5), the middle part fixed mounting of circulating pipe (5) has condenser (6), the fixed intercommunication of the output of circulating pipe (5) has backward flow subassembly (7) that are located preliminary separation subassembly (2) below, the output of backward flow subassembly (7) is located inhales the lower right corner of material subassembly (1), inhale material subassembly (1), preliminary separation subassembly (2), secondary separation subassembly (3) and desorption subassembly (4) and backward flow subassembly (7) and all be connected between the external frame, inhale material subassembly (1) and be located the petroleum storage tank directly over, inhale material subassembly (1) including inhaling material jar (101), the bottom mounting intercommunication that inhales material jar (101) has feed inlet (102), feed inlet (102) are located the inside of petroleum storage tank and are connected through the flange between the petroleum storage tank.
2. The oil gas recovery device for the chemical product intermediate tank according to claim 1, characterized in that: inhale the inside activity of material jar (101) and cup jointed piston plate (103), the diameter of piston plate (103) is the same with the internal diameter of inhaling material jar (101), the middle part fixed mounting who inhales material jar (101) inner chamber has guide bar (104), the activity cup joints between the inside of piston plate (103) and the lateral surface of guide bar (104), piston plate (103) guide bar (104) displacement about can being relative.
3. The oil and gas recovery device for the chemical product intermediate tank according to claim 2, characterized in that: guide bar (104) have been cup jointed in the lateral surface activity of guide bar (104), the upper and lower both ends of guide bar (104) respectively with the top of piston plate (103) with inhale the top fixed connection of material jar (101) inner chamber, piston plate (103) lateral surface is fixed to cup joint on the position that is close to the top and has been kept in storage jar (107), piston plate (103) lateral surface all sets up the blown down tank (106) that are located the inside of jar (107) of keeping in storage near the left and right sides on top, the fixed intercommunication in top of jar (107) of keeping in has first conveying pipeline (108), the direction that the output fixed mounting of first conveying pipeline (108) had check valve and valve is outwards switched on and inwards ends.
4. The oil and gas recovery device for the chemical product intermediate tank according to claim 1, characterized in that: preliminary separation subassembly (2) are including power jar (201), be linked together through the flange between the left end of power jar (201) and the other end of first conveying pipeline (108), the fixed intercommunication of right-hand member of power jar (201) has second conveying pipeline (202), the inside movable mounting of power jar (201) has main shaft (203), the lateral surface fixed mounting of main shaft (203) has impeller (204) that are located power jar (201) inside, the fixed intercommunication of output of second conveying pipeline (202) has conveying jar (208).
5. The oil gas recovery device for the chemical product intermediate tank according to claim 4, characterized in that: preliminary separation subassembly (2) still include centrifugal separation jar (209), the activity is cup jointed and is linked together with the inside of centrifugal separation jar (209) between defeated material jar (208) and centrifugal separation jar (209), it has second transmission shaft (206) to fix the cover on the position that centrifugal separation jar (209) lateral surface is close to the bottom, the top and the fixed mounting that power jar (201) was run through on the top of main shaft (203) have first transmission shaft (205), drive belt (207) have been cup jointed in the lateral surface activity of first transmission shaft (205), the other end of drive belt (207) is cup jointed with the lateral surface activity of second transmission shaft (206), first transmission shaft (205) are connected through the transmission between drive belt (207) and second transmission shaft (206).
6. The oil gas recovery device for the chemical product intermediate tank according to claim 5, characterized in that: centrifugal hole (2010) have been seted up to the circumference form in the outside of centrifugal separation jar (209), first adsorption tank (2012) has been cup jointed in the lateral surface activity of centrifugal separation jar (209), be connected between first adsorption tank (2012) and the outside frame, the fixed intercommunication in top of centrifugal separation jar (209) has row's waste pipe (2011), the lateral surface that first adsorption tank (2012) and lie in first adsorption tank (2012) is run through on the top of row's waste pipe (2011), discharge opening (2013) have all been seted up to the left and right sides on first adsorption tank (2012) top, centrifugal separation jar (209) can be defeated material jar (208) relatively and first adsorption tank (2012) rotate.
7. The oil gas recovery device for the chemical product intermediate tank according to claim 6, characterized in that: secondary separating subassembly (3) are including secondary adsorption tank (301), the through-hole has been seted up to the bottom of secondary adsorption tank (301), arrange useless pipe (2011) run through the through-hole and be located secondary adsorption tank (301) inside and with be linked together between secondary adsorption tank (301), the left and right sides of secondary adsorption tank (301) bottom all is fixed the intercommunication and has communicating pipe (302), be linked together between communicating pipe (302) and discharge opening (2013), discharge opening (305) have been seted up on secondary adsorption tank (301) rear is close to the position on top.
8. The oil gas recovery device for the chemical product intermediate tank according to claim 7, characterized in that: there are active fiber membrane (303) movable mounting on the position that secondary adsorption tank (301) inner chamber is close to the bottom, the inner chamber movable mounting of secondary adsorption tank (301) has active carbon (304) that are located active fiber membrane (303) top, the access cover that can supply the dismantlement is installed to the top of secondary adsorption tank (301) activity, the output of bin outlet (305) is linked together with the input of circulating pipe (5).
9. The oil gas recovery device for the chemical product intermediate tank according to claim 8, characterized in that: desorption subassembly (4) include waste gas output tube (401), the left end of waste gas output tube (401) is linked together with the right-hand member of secondary adsorption jar (301) lateral surface, the bottom of waste gas output tube (401) is equipped with combustion chamber (402), waste gas output tube (401) and the fixed intercommunication in left side on combustion chamber (402) top, the inside fixed mounting of combustion chamber (402) has water storage tank (403), the bottom of water storage tank (403) runs through the bottom and the fixed intercommunication of combustion chamber (402) has water intaking valve (404), the right side on combustion chamber (402) top is fixed the intercommunication has relief valve (405), the top of water storage tank (403) runs through combustion chamber (402) and the fixed intercommunication has steam output tube (406), the other end of steam output tube (406) is linked together with the top of secondary adsorption jar (301), the electromagnetism check valve is installed to the output of steam output tube (406), the check valve is installed to the output of waste gas output tube (401), and the direction of valve is outwards switched on and inwards ends and outwards for outwards to communicate respectively.
10. The oil and gas recovery device for the chemical product intermediate tank according to claim 1, characterized in that: the backflow component (7) comprises a backflow box (701), the right end of the backflow box (701) is fixedly communicated with the output end of the circulating pipe (5), the backflow box (701) is located under the power tank (201), a speed change gear box (703) is fixedly installed inside the backflow box (701), the input end of the speed change gear box (703) is connected with the bottom end of the main shaft (203), extension shafts (704) are fixedly installed on the left side and the right side of the output end of the speed change gear box (703), a stop block (705) is fixedly installed on the outer side face of each extension shaft (704), the height of each stop block (705) is the same as the height of an inner cavity of the backflow box (701), and the outer side face of each stop block (705) is attached to the inner side face of the backflow box (701).
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