CN210613329U - Oil gas treatment device based on liquid nitrogen condensation - Google Patents
Oil gas treatment device based on liquid nitrogen condensation Download PDFInfo
- Publication number
- CN210613329U CN210613329U CN201920460337.9U CN201920460337U CN210613329U CN 210613329 U CN210613329 U CN 210613329U CN 201920460337 U CN201920460337 U CN 201920460337U CN 210613329 U CN210613329 U CN 210613329U
- Authority
- CN
- China
- Prior art keywords
- condensation
- oil
- oil gas
- pipe
- liquid nitrogen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to an oil gas treatment technical field discloses an oil gas processing apparatus based on liquid nitrogen condensation. The oil and gas treatment device comprises: the condensation tank (20) is provided with an oil gas inlet (22) on one side wall, an exhaust pipe (35) is connected on the other side wall, a partition plate (25) is arranged in the condensation tank, through holes (251) are formed in the partition plate, the partition plate divides the interior of the condensation tank into a first condensation chamber (21) and a second condensation chamber (31) along the left-right direction, a condensation structure is arranged in the first condensation chamber, and a second sprayer (32) is arranged in the second condensation chamber; and a liquid nitrogen storage tank (40) connected with a liquid nitrogen delivery pipe (41) and connected with the liquid nitrogen delivery pipe. The utility model discloses an among the oil gas processing apparatus, oil gas passes through the first condensation chamber and the second condensation chamber of condensate drum in proper order, can the purification treatment oil gas, prevents that oil gas does not have the control loss, can prevent to take place the incident, can realize the environmental protection again and discharge.
Description
Technical Field
The utility model relates to an oil gas processing technology field specifically relates to an oil gas processing apparatus based on liquid nitrogen condensation who handles the oil gas in the oil gas jar after the washing.
Background
At present, about 10 thousands of seats of a gas station exist in China, about 40 thousands of buried oil storage tanks exist, the oil storage tanks need to be cleaned once every 3 to 5 years according to the cleaning regulations of the buried oil storage tanks, and if the gas station needs to reform, overhaul or change stored oil, the oil storage tanks need to be cleaned.
The cleaning of the buried oil tank of the domestic gas station mainly adopts a manual cleaning mode, and in the cleaning process, manual tank entering operation is needed, so that the safety is poor. At present, the mechanical tank cleaning technology is being popularized and applied to cleaning of underground storage tanks in gas stations. The mechanical tank cleaning technology is characterized in that a revolution and autorotation rotary spray head is inserted into a manhole to be installed and fixed, clean water in a tank is pumped into the rotary spray head by a booster pump after particulate matters and impurities are filtered by a filter, and the rotary spray head is driven to perform 360-degree spherical rotary spraying to clean the inner wall of the whole buried oil storage tank. And simultaneously starting a vacuum pump, pumping out the sewage and waste liquid at the bottom of the storage tank and conveying the sewage and waste liquid to a sewage tank, and finally carrying out ventilation drying on the buried oil storage tank, wherein in the ventilation drying project, a large amount of mixed gas-liquid mixture of water fog drops and oil gas is discharged into the atmosphere.
Therefore, in the tank cleaning process of the storage tank of the gas station, oil gas volatilized from the storage tank enters air, and fire, explosion and other disasters can be caused by static electricity and electric sparks, so that the personal safety and the body health of residents around the gas station are seriously influenced, and meanwhile, the relevant regulations of the existing national environmental protection regulations are violated, and the requirements of modern operation are not met. In recent years, the safety production accidents of casualties caused by oil gas flash explosion occur due to uncontrolled escape of oil gas during tank cleaning for many times in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can oil gas in the oil gas jar after the clear jar of purification treatment and the oil gas processing apparatus based on liquid nitrogen condensation of safe emission.
In order to realize the above object, the utility model provides an aspect provides an oil gas processing apparatus, oil gas processing apparatus is connected with the liquid nitrogen conveyer pipe including the condensing jar and the liquid nitrogen storage tank that connect each other on this liquid nitrogen storage tank, wherein, be provided with the oil gas entry on one side upper portion lateral wall of condensing jar, be connected with the blast pipe on another upper portion lateral wall, and the inside of condensing jar is provided with the partition bulkhead, be formed with the through-hole on the partition bulkhead, the partition bulkhead will first condensation chamber and second condensation chamber are separated into along left right direction to the condensing jar is inside, the inside condensation structure that is provided with of first condensation chamber, the inside second spray thrower that is provided with of second condensation chamber, the second spray thrower pass through the second conveyer pipe with liquid nitrogen duct connects.
Preferably, the oil gas processing device further comprises an air suction pipe and an air suction power source arranged on the air suction pipe, and the air suction pipe is connected with the oil gas inlet.
Preferably, the suction power source includes a venturi tube provided on the suction pipe and an air compressor connected to the venturi tube.
Preferably, a hollow second baffle is further disposed in the second condensation chamber, one end of the second baffle is connected to one of the top surface and the bottom surface of the condensation tank, the other end of the second baffle is spaced from the other of the top surface and the bottom surface of the condensation tank by a predetermined distance, the second sprayer is disposed on the second baffle, and a portion of the second delivery pipe is disposed inside the second baffle.
Preferably, the second sprayer includes a plurality of second sprayers respectively disposed on opposite surfaces of the second baffle.
Preferably, the condensation structure comprises a first conveying pipe and at least one first sprayer connected with the first conveying pipe, and the first conveying pipe and the second conveying pipe are connected in parallel with the liquid nitrogen conveying pipe.
Preferably, the spraying directions of the first sprayer and the second sprayer are opposite to the flowing direction of oil and gas.
Preferably, the first sprayer and the second sprayer are spherical spray heads, and a plurality of spray nozzles are arranged on the spray heads.
Preferably, the liquid nitrogen conveying pipe is provided with a stop valve, the first conveying pipe is provided with a first regulating valve, and the second conveying pipe is provided with a second regulating valve.
Preferably, a first temperature transmitter is arranged near the through hole in the first condensation chamber, a second temperature transmitter is arranged near the exhaust pipe in the second condensation chamber, and the opening degrees of the first regulating valve and the second regulating valve are respectively controlled according to PIDs arranged on the first temperature transmitter and the second temperature transmitter.
Preferably, the first temperature transmitter, the second temperature transmitter, the stop valve, the first regulating valve and the second regulating valve adopt an explosion-proof design.
Preferably, the bottom of the first condensation chamber is connected with a first shower guide pipe, the first shower guide pipe is provided with a first shower guide valve, the bottom of the second condensation chamber is connected with a second shower guide pipe, and the second shower guide pipe is provided with a second shower guide valve.
Preferably, the hydrocarbon processing plant includes a mobile trailer, and the condensate tank (and the liquid nitrogen storage tank are disposed on the mobile trailer.
Preferably, a housing is provided on the mobile trailer, and the suction power source, the condensation tank, and the liquid nitrogen storage tank are provided inside the housing.
The utility model provides an among the oil gas processing apparatus, oil gas passes through oil gas processing apparatus's first condensation chamber and second condensation chamber in proper order, is the difference with the temperature control in first condensation chamber and the second condensation chamber, can carry out condensation many times to oil gas to can the purification treatment oil gas, prevent that oil gas does not have the control loss, can prevent to take place the incident, can realize again that the environmental protection discharges. Other effects of the present invention will be described in detail below.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an oil and gas treatment device according to a preferred embodiment of the present invention.
Description of the reference numerals
10 suction pipe 11 venturi tube
12 air compressor 20 condensate tank
21 first condensation chamber 22 oil gas inlet
23 first temperature transmitter 24 first guide shower valve
25 partition 251 through hole
26 first shower 27 first baffle
31 second condensation chamber 32 second shower
33 second temperature transmitter 34 second pilot shower valve
35 exhaust pipe 36 second baffle plate
40 liquid nitrogen storage tank 41 liquid nitrogen delivery pipe
42 stop valve 43 first regulating valve
44 second regulating valve
50 remove trailer 60 oil gas jar
61 oil gas tank inlet 62 oil gas tank outlet
Detailed Description
In the present invention, the term "left-right direction" used in the case where no explanation is given is the left-right direction indicated in fig. 1.
Referring to fig. 1, the present invention provides an oil and gas treatment device.
As shown in FIG. 1, the oil gas treatment device provided by the present invention comprises a condensing tank 20 and a liquid nitrogen storage tank 40 connected to each other, and a liquid nitrogen delivery pipe 41 is connected to the liquid nitrogen storage tank 40.
An oil gas inlet 22 is formed in the side wall of the upper portion of one side of the condensing tank 20, an exhaust pipe 35 is connected to the side wall of the other upper portion, oil gas is introduced through the oil gas inlet 22, and clean gas participating in condensation is discharged outwards through the exhaust pipe 35.
Further, a partition plate 25 is provided inside the condensation tank 20, a through hole 251 is formed in the partition plate 25, and the partition plate 25 partitions the inside of the condensation tank 20 into the first condensation chamber 21 and the second condensation chamber 31 in the left-right direction. Specifically, the two ends of the partition plate 25 are respectively connected to the top surface and the bottom surface of the condensing tank 20, and the first condensing chamber 21 and the second condensing chamber 31 can only be communicated through the through hole 251 of the partition plate 25. The through hole 251 should not be too large, and the through hole 251 may also be provided with a filter screen.
On this basis, the inside condensation structure that is provided with of first condensation chamber 21, during oil gas got into first condensation chamber 21 through oil gas entry 22, under the condensation of condensation structure, carried out condensation once to oil gas, dropped in first condensation chamber 21 bottom by the material (waste liquid) of condensation, and the oil gas that does not condense passes through-hole 251 and gets into second condensation chamber 31. The utility model discloses in, through adjusting the temperature in the first condensation chamber 21, can condense the material of required condensation in the oil gas, the effect of first condensation chamber 21 mainly is the steam in the condensation oil gas, at this moment, needs the temperature control in the first condensation chamber 21 below 0 ℃ to when the condensation structure condenses oil gas, can be water with the steam condensation. The condensation source of the condensation structure can be cooling water, liquid nitrogen or any other condensation substance or condensation piece, and the utility model is not limited in particular.
The second spray 32 is arranged inside the second condensation chamber 31, liquid nitrogen is stored in the liquid nitrogen storage tank 40, and the liquid nitrogen storage tank 40 is connected with the second spray 32 through a liquid nitrogen delivery pipe 41 so as to provide the liquid nitrogen for the second condensation chamber 31. One end of the liquid nitrogen delivery pipe 41 extends into the liquid nitrogen storage tank 40, preferably to the bottom, and the other end is connected to the second sprayer 32. More specifically, the second shower 32 is connected to a liquid nitrogen delivery pipe 41 through a second delivery pipe having one end located inside the second condensation chamber 31 and the other end connected to the liquid nitrogen delivery pipe 41.
The utility model discloses in, through adjusting the temperature in the second condensation chamber 31, condense the organic gas in the oil gas to the completion is to the secondary condensation of oil gas. In order to condense the organic gas in the oil gas, the temperature in the second condensation chamber 31 needs to be controlled below 70 ℃ below zero, preferably 90 ℃ below zero, and in the case of 90 ℃ below zero, most of the organic gas in the oil gas is condensed and falls to the bottom of the second condensation chamber 31, so that the condensation effect is excellent.
Therefore, the utility model discloses a condensation structure in the first condensation chamber carries out primary condensation to oil gas, sprays the liquid nitrogen through the second spray thrower in the second condensation chamber and comes to carry out the secondary condensation to oil gas, through this kind of doublestage condensation structure, can the disposable pollution oil gas of purification treatment, guarantees that exhaust outer gas is clean, prevents that the polluted gas does not have the control loss, avoids taking place the safety in production accident, and can realize the environmental protection and discharge.
On this basis, for automatic oil gas that inhales, the utility model discloses an oil gas processing apparatus still includes breathing pipe 10 and the power supply of breathing in of setting on breathing pipe 10. The suction pipe 10 is connected to a hydrocarbon tank 60 for transporting hydrocarbon. The suction power source preferably includes a venturi tube 11 and an air compressor 12, the venturi tube 11 is disposed on the suction pipe 10, and the air compressor 12 is connected to the venturi tube 11, but other structures may be adopted, for example, a fan 11, as long as it can provide power for sucking oil gas.
One end of the suction pipe 10 extends into the oil gas tank 60, and the other end is connected to the oil gas inlet 22 of the first condensation chamber 21. In order to be able to take up oil and gas from the bottom, one end of the suction pipe 10 extends into the bottom surface close to the tank. Usually, will be provided with oil gas jar entry 61 and oil gas jar export 62 on the top surface of oil gas jar, breathing pipe 10 stretches into to oil gas jar 60 inside from oil gas jar export 62, when the starting power supply of breathing in, the inside oil gas of oil gas jar 60 is sucked out, can produce the negative pressure gradually this moment, opens oil gas jar entry 61, and the air is sucked to oil gas jar 60 inside under the negative pressure effect, finally can be full of the air in the oil gas jar 60 from this. Of course, when the oil gas treatment device of the present invention is not in operation, the oil gas tank inlet 61 and the oil gas tank outlet 62 should be closed, for example, covered with a cover, so as to prevent the leakage of oil gas inside.
In addition, in order to extend the residence time of the oil and gas in the second condensation chamber 31, it is preferable that a hollow second baffle 36 is further disposed in the second condensation chamber 31, one end of the second baffle 36 is connected to one of the top surface and the bottom surface of the second condensation chamber 31, the other end of the second baffle 36 is spaced apart from the other of the top surface and the bottom surface of the second condensation chamber 31 by a predetermined distance, the second shower 32 is disposed on the second baffle 36, and a portion of the second conveying pipe is disposed inside the second baffle 36.
In the present invention, the oil gas inlet 22 and the exhaust pipe 35 are disposed on the upper side wall of the condensation tank, and therefore, under the condition of the second baffle plate, in order to prolong the flow path of the oil gas in the second condensation chamber, the through hole 251 is disposed on the upper portion of the partition plate 25, and the exhaust pipe 35 is disposed on the upper portion of the right side of the tank body of the condensation tank 20, so that the second baffle plate 36 is preferably disposed with one end connected to the top surface of the second condensation chamber 31, and the other end is separated from the bottom surface of the second condensation chamber 31 by a predetermined distance, so that the oil gas can be blocked by the second baffle plate 36 after entering the second condensation chamber 31, and thus flows downward on the left side of the second baffle plate 36, flows to the bottom of the second baffle plate 36 and then flows upward, so as to move upward on the right side of the second baffle plate 36, and finally. By the second baffle plate 36, the flow path of the oil gas in the second condensation chamber 31 is extended, so that the contact time of the liquid nitrogen and the oil gas is lengthened, thereby improving the condensation efficiency of the second condensation chamber 31.
Of course, the form of the second baffle is determined by the positions of the through-holes 251 and the exhaust pipe 35, and any structure may be used as long as it can extend the flow path of the oil gas in the second condensation chamber 31.
In addition, as another preferable mode for improving the condensing efficiency, the second sprayer 32 may include a plurality of second sprayers 32 respectively disposed on the opposite surfaces of the second baffle 36, and in the present invention, it is preferable that the second sprayer 32 includes two sprayers, but the present invention is not limited thereto, and may be three, four or more. Further, the positions of the plurality of second sprayers 36 are selectively set according to the moving path of the oil and gas, for example, as shown in fig. 1, one of the two second sprayers 32 is disposed at a lower left portion of the second baffle 36, and the other of the two second sprayers 32 is disposed at an upper right portion of the second baffle 36, and the two second sprayers 32 can sufficiently spray the oil and gas in the left and right sides of the second baffle 36. With the structure, the oil gas can be condensed twice in the second condensing chamber 31, and the condensing effect is very excellent.
As for the condensation structure of the first condensation chamber 21, a heat exchanger or the like may be adopted, but as a preferred embodiment of the present invention, the condensation structure may have the same or similar structure as the second condensation chamber 31, that is, the condensation structure includes a first delivery pipe and at least one first sprayer 26 connected to the first delivery pipe, and the first delivery pipe and the second delivery pipe are connected in parallel to the liquid nitrogen delivery pipe 41. That is, in the preferred embodiment of the present invention, the first condensing chamber 21 also employs a liquid nitrogen spraying manner to condense the oil gas once.
Further preferably, the first condensation chamber 21 may have the same structure as the second condensation chamber 31, and may have a hollow first baffle 27 disposed therein, and the at least one first shower 26 may be disposed on the first baffle 27, and a portion of the first delivery pipe 25 may be disposed inside the first baffle 27. However, the present invention is not limited to this, and the first condensation chamber 21 only needs to condense the oil gas once. In the present invention, the water vapor in the oil gas is mainly condensed, and therefore, preferably, the temperature in the first condensation chamber 21 is controlled below 0 ℃, preferably 0 to-5 ℃.
In addition, regarding the type of the sprayer, it is preferable that, as shown in fig. 1, both the first sprayer and the second sprayer may be a spherical head provided with a plurality of nozzles, but the present invention is not limited thereto, and may be a spray pipe extending in a horizontal direction, or different heads may be used for the first sprayer and the second sprayer. Regardless of the type of sprayer, as long as a large spraying area can be ensured. Further, the spraying direction of the first sprayer 26 and the second sprayer 32 is opposite to the flowing direction of the oil gas, so that the oil gas is fully contacted with the liquid nitrogen, and the condensation effect can be improved.
Further, the liquid nitrogen delivery pipe 41 is provided with a shutoff valve 42, and whether or not liquid nitrogen is delivered is performed by opening and closing the shutoff valve 42. On this basis, in order to control the liquid nitrogen spraying amount of each shower, it is preferable that a first regulating valve 43 and a second regulating valve 44 are respectively provided on the first delivery pipe outside the first condensing chamber 21 and the second delivery pipe outside the second condensing chamber 31, and the liquid nitrogen spraying amounts of the first shower 26 and the second shower 32 are controlled by controlling the opening degrees of the first regulating valve 43 and the second regulating valve 44. In addition, the first and second regulating valves 43 and 44 are preferably solenoid valves to achieve automated control.
On the basis, a first temperature transmitter 23 can be arranged near the oil gas outlet 22 in the first condensation chamber 21, a second temperature transmitter 33 can be arranged near the exhaust pipe 35 in the second condensation chamber 31, and the opening degrees of the first regulating valve 43 and the second regulating valve 44 are controlled according to the PID arranged on the first temperature transmitter 23 and the second temperature transmitter 33, so that the liquid nitrogen spraying amount of the first sprayer 26 and the second sprayer 32 is controlled. However, the utility model is not limited to this, can also cooperate with the governing valve through other structures such as thermometer to control the liquid nitrogen volume of spouting.
In addition, in order to prevent a safety accident, the first temperature transmitter 23, the second temperature transmitter 33, the shutoff valve 42, the first regulating valve 43, and the second regulating valve 44 are designed to be explosion-proof. Besides the structure, other related electrical instruments in the oil and gas treatment device can adopt an explosion-proof design.
In addition, because the waste liquid after condensing in first condensing chamber 21 and second condensing chamber 31 can drop at the jar body bottom, in order to regularly discharge these waste liquids, preferably, the bottom of first condensing chamber 21 is connected with first and leads to drench the pipe, is provided with first guide shower valve 24 on this first guide shower pipe, and the bottom of second condensing chamber 31 is connected with the second and leads to drench the pipe, is provided with second guide shower valve 34 on this second guide shower pipe, and first guide shower pipe and second guide shower pipe can be connected in waste liquid collecting box etc. can be unified transportation to the waste liquid treatment factory after the collection is full, avoids causing secondary pollution.
In operating mode, the oil gas discharges the scene probably a plurality ofly, in order to can satisfy oil gas treatment needs convenient and fast, oil gas processing apparatus can also include and remove trailer 50, and condensate tank 20 and liquid nitrogen storage tank 40 set up on removing trailer 50, constitute oil gas processing apparatus whole for removing the vehicular, can the quick travel to take the processing scene, improved whole oil gas processing apparatus's convenient to use nature. Of course, other configurations of the hydrocarbon treating device may be provided on the mobile trailer.
In addition to this, the mobile trailer 50 may be provided with a housing condensation tank 20 and a liquid nitrogen storage tank 40 disposed inside the housing. The shell carries out thermal-insulated heat preservation to the structure of shell inside and handles, fully ensures the safety of oil gas treatment operation. Of course, other configurations of the hydrocarbon treating device may be provided within the housing of the mobile trailer.
Above do the utility model provides an oil gas treatment device, based on this, continue to explain and utilize the utility model provides an oil gas treatment method that oil gas treatment device handled oil gas.
The utility model discloses an oil gas processing method includes following step:
the first step, oil gas is introduced into a first condensation chamber 21 through an oil gas inlet 22;
a second step of primarily condensing the oil gas by the condensation of the condensation structure in the first condensation chamber 21;
and a third step of enabling the oil gas which is not condensed in the first condensing chamber 21 to enter the second condensing chamber 31, carrying out secondary condensation on the oil gas through liquid nitrogen sprayed by the second sprayer 32, and discharging the clean gas outwards through the exhaust pipe 35.
In the third step, the temperature in the second condensation chamber 31 is controlled below 70 ℃ to ensure that the organic gas in the oil gas can be condensed. In a preferred case, the temperature in the second condensation chamber 31 is controlled at minus 90 ℃, and most of the organic gases in the oil gas can be condensed.
Specific examples of the temperature control in the second condensation chamber 31 include: minus 70 ℃, minus 72 ℃, minus 75 ℃, minus 78 ℃, minus 80 ℃, minus 82 ℃, minus 85 ℃, minus 88 ℃ and minus 90 ℃ and the like.
In addition, preferably, in the second step, the temperature in the first condensation chamber 21 is controlled to be 0 to minus 5 ℃, and then the moisture in the oil gas can be well condensed. Examples of the temperature control in the first condensation chamber 21 include: minus 1 ℃, minus 3 ℃, minus 5 ℃ and the like.
The present invention will be further described with reference to the following examples, but the present invention is not limited to the following examples.
Example 1
As shown in fig. 1, the oil gas treatment device includes an air intake pipe 10, a condensing tank 20, and a liquid nitrogen storage tank 40, which are connected in sequence.
The air suction pipe 10 is provided with a Venturi tube 11, and the Venturi tube 11 is connected with an air compressor 12.
An oil gas inlet 22 is formed in one side wall of the condensing tank 20, an exhaust pipe 35 is connected to the other side wall, a partition plate 25 is arranged inside the condensing tank 20, a through hole 251 is formed in the upper portion of the partition plate 25, and the partition plate 25 divides the inside of the condensing tank 20 into a first condensing chamber 21 and a second condensing chamber 31 in the left-right direction.
A hollow first baffle plate 27 is arranged in the first condensation chamber 21, a first sprayer 26 is arranged at the bottom of the left side of the first baffle plate 27, and another first sprayer 26 is arranged at the upper part of the right side of the first baffle plate 27.
The second condensation chamber 31 has the same structure as the first condensation chamber 21, and thus, the description thereof is omitted.
The first shower 26 of the first condensation chamber 21 and the second shower 32 of the second condensation chamber 31 are connected in parallel to a liquid nitrogen delivery pipe 41 connected to a liquid nitrogen storage tank 40 through a first delivery pipe and a second delivery pipe, respectively.
The liquid nitrogen delivery pipe 41 is provided with a stop valve 42, and the first delivery pipe and the second delivery pipe are respectively provided with a first regulating valve 43 and a second regulating valve 44.
A first temperature transmitter 23 is provided near the through hole 251 in the first condensation chamber 21, and a second temperature transmitter 33 is provided near the exhaust pipe 35 in the second condensation chamber 31.
The bottom of the first condensation chamber 21 is connected with a first guiding and sprinkling pipe, the first guiding and sprinkling pipe is provided with a first guiding and sprinkling valve 24, the bottom of the second condensation chamber 31 is connected with a second guiding and sprinkling pipe, and the second guiding and sprinkling valve 34 is arranged on the second guiding and sprinkling pipe.
Based on above-mentioned structure, in oil gas got into first condensation chamber 21 through breathing pipe 10, oil gas flows down from last earlier, arrive first baffling 27 bottom after the baffling and on, from up flowing down again, at this in-process, the first spray thrower 26 that sets up on first baffling 27 relative surface sprays the liquid nitrogen and carries out twice condensation to oil gas, waste liquid water conservancy diversion after the condensation drenches the pipe to first leading, the oil gas that does not condense gets into second condensation chamber 31 through the through-hole 251 on partition board 25. In this process, the opening degree of the first electromagnetic valve 43 is controlled by the PID provided in the first temperature transmitter 23, and thereby the liquid nitrogen injection amount of the first shower 26 is controlled so that the temperature in the first condensation chamber 21 is maintained at minus 1 ℃.
In the second condensation chamber 31, the oil gas flow path is the same as in the first condensation chamber 21, and thus, a detailed description thereof is omitted. In the second condensation chamber 31, the opening degree of the second electromagnetic valve 44 is controlled by the PID provided in the second temperature transmitter 33, and the liquid nitrogen injection amount of the second shower 32 is controlled, so that the temperature in the second condensation chamber 31 is maintained at minus 80 ℃.
Based on the oil gas treatment device, under the operating conditions, when the oil gas concentration at the oil gas inlet 22 is 35% VOL, the oil gas concentration at the exhaust pipe 35 is 47% LEL, and the oil gas treatment efficiency is 98.38%.
Example 2
The oil and gas treatment device has the same structure as that of embodiment 1.
Only, during the condensation, the temperature in the first condensation chamber 21 is maintained at-3 deg.c and the temperature in the second condensation chamber 31 is maintained at-85 deg.c.
Based on the oil gas treatment device, under the operating conditions, when the oil gas concentration at the oil gas inlet 22 is 35% VOL, the oil gas concentration at the exhaust pipe 35 is 41% LEL, and the oil gas treatment efficiency is 98.6%.
Example 3
The oil and gas treatment device has the same structure as that of embodiment 1.
Only, during the condensation, the temperature in the first condensation chamber 21 is maintained at-5 ℃ and the temperature in the second condensation chamber 31 is maintained at-90 ℃.
Based on the oil gas treatment device, under the operating conditions, when the oil gas concentration at the oil gas inlet 22 is 35% VOL, the oil gas concentration at the exhaust pipe 35 is 35% LEL, and the oil gas treatment efficiency is 98.9%.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (14)
1. An oil gas processing device, characterized in that the oil gas processing device comprises a condensing tank (20) and a liquid nitrogen storage tank (40) which are connected with each other, a liquid nitrogen delivery pipe (41) is connected on the liquid nitrogen storage tank (40),
wherein, be provided with on one side upper portion lateral wall of condensing tank (20) oil gas entry (22), be connected with blast pipe (35) on another upper portion lateral wall, and the inside of condensing tank (20) is provided with partition board (25), be formed with through-hole (251) on partition board (25), partition board (25) will first condensation chamber (21) and second condensation chamber (31) are separated into along left right direction to condensing tank (20) inside, first condensation chamber (21) inside is provided with the condensation structure, second condensation chamber (31) inside is provided with second spray thrower (32), second spray thrower (32) through the second conveyer pipe with liquid nitrogen conveyer pipe (41) are connected.
2. The oil and gas treatment device according to claim 1, further comprising an induction pipe (10) and an induction power source disposed on the induction pipe (10), and the induction pipe (10) is connected to the oil and gas inlet (22).
3. The oil and gas treatment device according to claim 2, characterized in that said suction power source comprises a venturi tube (11) and an air compressor (12), said venturi tube (11) being arranged on said suction pipe (10), said air compressor (12) being connected to said venturi tube (11).
4. The oil and gas treatment device according to claim 1, wherein a hollow second baffle plate (36) is further disposed in the second condensation chamber (31), one end of the second baffle plate (36) is connected to one of the top surface or the bottom surface of the condensation tank (20), and the other end is spaced apart from the other of the top surface or the bottom surface of the condensation tank (20) by a predetermined distance, the second sprayer (32) is disposed on the second baffle plate (36), and a portion of the second delivery pipe is disposed inside the second baffle plate (36).
5. The oil and gas treatment device according to claim 4, wherein the second sprayer (32) comprises a plurality of second sprayers (32) respectively disposed on opposite surfaces of the second baffle plate (36).
6. The oil and gas treatment device according to any one of claims 1 to 5, characterized in that said condensation structure comprises a first delivery pipe and at least one first sprinkler (26) connected to said first delivery pipe, said first delivery pipe being connected in parallel to said second delivery pipe to said liquid nitrogen delivery pipe (41).
7. The oil and gas treatment device according to claim 6, characterized in that the injection direction of the first and second sprayers (26, 32) is opposite to the oil and gas flow direction.
8. The oil and gas treatment device according to claim 6, wherein said first sprayer (26) and said second sprayer (32) are spherical spray heads provided with a plurality of spray orifices.
9. Oil and gas treatment device according to claim 6, characterized in that a shut-off valve (42) is arranged on the liquid nitrogen delivery pipe (41), a first regulating valve (43) is arranged on the first delivery pipe outside the condensation tank (20), and a second regulating valve (44) is arranged on the second delivery pipe outside the condensation tank (20).
10. The oil and gas treatment device according to claim 9, characterized in that a first temperature transmitter (23) is arranged in the vicinity of said through hole (251) in said first condensation chamber (21), a second temperature transmitter (33) is arranged in the vicinity of said exhaust pipe (35) in said second condensation chamber (31),
and the opening degrees of the first regulating valve (43) and the second regulating valve (44) are respectively controlled according to the PIDs arranged on the first temperature transmitter (23) and the second temperature transmitter (33).
11. The oil and gas treatment device according to claim 10, characterized in that said first temperature transmitter (23), said second temperature transmitter (33), said shut-off valve (42), said first regulating valve (43) and said second regulating valve (44) are of explosion-proof design.
12. The oil and gas treatment device according to claim 1, wherein a first lead shower pipe is connected to the bottom of the first condensation chamber (21), a first lead shower valve (24) is arranged on the first lead shower pipe, a second lead shower pipe is connected to the bottom of the second condensation chamber (31), and a second lead shower valve (34) is arranged on the second lead shower pipe.
13. The hydrocarbon processing device of claim 2, characterized in that the hydrocarbon processing device comprises a mobile trailer (50), the condensate tank (20) and the liquid nitrogen storage tank (40) being provided on the mobile trailer (50).
14. The hydrocarbon processing device as claimed in claim 13, characterized in that a housing is provided on the mobile trailer (50), the suction power source, the condensate tank (20) and the liquid nitrogen storage tank (40) being provided inside the housing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019551 | 2018-09-03 | ||
| CN2018110195517 | 2018-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210613329U true CN210613329U (en) | 2020-05-26 |
Family
ID=69716378
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271136.9A Pending CN110871025A (en) | 2018-09-03 | 2019-04-04 | Storage tank oil gas treatment device and method based on liquid nitrogen condensation |
| CN201910271129.9A Pending CN110871024A (en) | 2018-09-03 | 2019-04-04 | Oil gas tank oil gas treatment device and oil gas treatment method based on liquid nitrogen condensation |
| CN201920458033.9U Active CN210159438U (en) | 2018-09-03 | 2019-04-04 | Waste gas treatment device based on liquid nitrogen condensation |
| CN201920460337.9U Active CN210613329U (en) | 2018-09-03 | 2019-04-04 | Oil gas treatment device based on liquid nitrogen condensation |
| CN201920458005.7U Active CN210159437U (en) | 2018-09-03 | 2019-04-04 | Storage tank oil gas processing apparatus based on liquid nitrogen condensation |
| CN201920460336.4U Active CN210206395U (en) | 2018-09-03 | 2019-04-04 | Oil gas tank oil gas processing apparatus based on liquid nitrogen condensation |
| CN201910271702.6A Pending CN110871026A (en) | 2018-09-03 | 2019-04-04 | Waste gas treatment device and waste gas treatment method based on liquid nitrogen condensation |
| CN201910271124.6A Pending CN110871023A (en) | 2018-09-03 | 2019-04-04 | Oil gas treatment device and oil gas treatment method based on liquid nitrogen condensation |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271136.9A Pending CN110871025A (en) | 2018-09-03 | 2019-04-04 | Storage tank oil gas treatment device and method based on liquid nitrogen condensation |
| CN201910271129.9A Pending CN110871024A (en) | 2018-09-03 | 2019-04-04 | Oil gas tank oil gas treatment device and oil gas treatment method based on liquid nitrogen condensation |
| CN201920458033.9U Active CN210159438U (en) | 2018-09-03 | 2019-04-04 | Waste gas treatment device based on liquid nitrogen condensation |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920458005.7U Active CN210159437U (en) | 2018-09-03 | 2019-04-04 | Storage tank oil gas processing apparatus based on liquid nitrogen condensation |
| CN201920460336.4U Active CN210206395U (en) | 2018-09-03 | 2019-04-04 | Oil gas tank oil gas processing apparatus based on liquid nitrogen condensation |
| CN201910271702.6A Pending CN110871026A (en) | 2018-09-03 | 2019-04-04 | Waste gas treatment device and waste gas treatment method based on liquid nitrogen condensation |
| CN201910271124.6A Pending CN110871023A (en) | 2018-09-03 | 2019-04-04 | Oil gas treatment device and oil gas treatment method based on liquid nitrogen condensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (8) | CN110871025A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420519B (en) * | 2020-04-09 | 2022-03-25 | 中化泉州石化有限公司 | System and method for treating oil gas |
| CN113730940A (en) * | 2020-05-28 | 2021-12-03 | 中国石油化工股份有限公司 | Device and method for emergency recovery of leaked gas |
| CN111595061A (en) * | 2020-06-03 | 2020-08-28 | 上海新拓分析仪器科技有限公司 | Organic solvent waste gas condensing device |
| CN113318559A (en) * | 2021-06-30 | 2021-08-31 | 广州华青节能环保科技有限公司 | Liquid nitrogen direct contact type VOC cryogenic treatment equipment |
| CN114664164B (en) * | 2022-02-28 | 2024-07-09 | 北京南瑞怡和环保科技有限公司 | Oil storage tank area fire simulation experiment platform |
| CN115962595A (en) * | 2023-03-16 | 2023-04-14 | 河南工学院 | Refrigerator car based on liquid nitrogen refrigeration and liquid nitrogen refrigeration system |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2509387A1 (en) * | 1981-07-07 | 1983-01-14 | Quiri Usines | Oil cooler for screw compressor - has oil gas separator with refrigerant surface spray to cool before return to reservoir |
| US7498009B2 (en) * | 2004-08-16 | 2009-03-03 | Dana Uv, Inc. | Controlled spectrum ultraviolet radiation pollution control process |
| CN202199154U (en) * | 2011-08-17 | 2012-04-25 | 张炜海 | Tail gas treatment device |
| CN102500194A (en) * | 2011-09-30 | 2012-06-20 | 张世田 | Separation and recovery process and device for chemical tail gas |
| CN202527069U (en) * | 2012-03-02 | 2012-11-14 | 大连贝斯特环境工程设备有限公司 | Integrated anti-blocking and anti-poisoning SCR (Selective Catalytic Reduction) denitration auxiliary device |
| US20130247939A1 (en) * | 2012-03-26 | 2013-09-26 | Turnkey Cleaning Services, Llc | Method for automated, closed loop cleaning of tanks |
| ES2432417B1 (en) * | 2012-04-30 | 2014-09-10 | Albemarna, S.L. | EQUIPMENT FOR VOCATIONAL CAPTURE APPLICABLE TO HYDROCARBON STORAGE TANKS AND CAPTURE PROCESS. |
| CN103566618A (en) * | 2012-08-02 | 2014-02-12 | 天津市金东方化工有限公司 | Solvent-oil recovery system |
| CN103203157B (en) * | 2013-03-20 | 2015-01-07 | 杭州中环环保工程有限公司 | Dichloromethane waste gas treating method and system thereof |
| CN103471415A (en) * | 2013-09-23 | 2013-12-25 | 王毓芳 | Parallel-flow low-lying condenser |
| CN203771034U (en) * | 2014-03-18 | 2014-08-13 | 四机赛瓦石油钻采设备有限公司 | Electrically driven large-displacement heat recovery type liquid nitrogen pump device |
| CN104606915B (en) * | 2015-02-09 | 2016-02-03 | 南京工业大学 | Efficient low-cost VOC (volatile organic compound) recovery system and method |
| CN104857799B (en) * | 2015-05-25 | 2017-04-19 | 广东科达洁能股份有限公司 | Sulfur and dust removal device |
| CN204735111U (en) * | 2015-06-10 | 2015-11-04 | 浙江菲达脱硫工程有限公司 | Doublestage subregion sprays desulfurizing tower |
| US20170029343A1 (en) * | 2015-07-27 | 2017-02-02 | Terrell D. Ginn | Sulfur enhanced nitrogen production from emission scrubbing |
| CN204891328U (en) * | 2015-08-21 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | High -efficient pressure filter of parallelly connected automatically cleaning |
| CN205102460U (en) * | 2015-10-22 | 2016-03-23 | 广东美的制冷设备有限公司 | Heat pump system |
| CN107328254A (en) * | 2016-04-29 | 2017-11-07 | 江苏傲伦达科技实业股份有限公司 | A kind of new and effective condenser |
| CN106039925B (en) * | 2016-07-12 | 2019-02-01 | 中国石油化工股份有限公司 | Adsorption tanks cooling device and method in a kind of petroleum vapor recovery |
| CN206008466U (en) * | 2016-08-04 | 2017-03-15 | 湖南长江石化环保科技有限公司 | A kind of new gas recovery system for oil |
| CN106731453A (en) * | 2016-12-29 | 2017-05-31 | 河南中瑞制冷科技有限公司 | A kind of petroleum vapor recovery adsorption condensing device |
| CN106975337A (en) * | 2017-04-28 | 2017-07-25 | 包训祥 | Chlorine dioxide gaseous oxidation denitration integrated device and its technique |
| CN107008111A (en) * | 2017-05-22 | 2017-08-04 | 朱强 | Organic exhaust gas multistage cold washing condensation recycling and processing device and method |
| CN107158878A (en) * | 2017-06-20 | 2017-09-15 | 江苏金门能源装备有限公司 | A kind of condensation method petroleum vapor recovery ice chest and its recovery method |
| CN207024997U (en) * | 2017-08-04 | 2018-02-23 | 宁波海越新材料有限公司 | Storage Tank gas recovery system for oil |
-
2019
- 2019-04-04 CN CN201910271136.9A patent/CN110871025A/en active Pending
- 2019-04-04 CN CN201910271129.9A patent/CN110871024A/en active Pending
- 2019-04-04 CN CN201920458033.9U patent/CN210159438U/en active Active
- 2019-04-04 CN CN201920460337.9U patent/CN210613329U/en active Active
- 2019-04-04 CN CN201920458005.7U patent/CN210159437U/en active Active
- 2019-04-04 CN CN201920460336.4U patent/CN210206395U/en active Active
- 2019-04-04 CN CN201910271702.6A patent/CN110871026A/en active Pending
- 2019-04-04 CN CN201910271124.6A patent/CN110871023A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN110871024A (en) | 2020-03-10 |
| CN110871025A (en) | 2020-03-10 |
| CN110871023A (en) | 2020-03-10 |
| CN210159437U (en) | 2020-03-20 |
| CN210159438U (en) | 2020-03-20 |
| CN110871026A (en) | 2020-03-10 |
| CN210206395U (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210613329U (en) | Oil gas treatment device based on liquid nitrogen condensation | |
| CN109821373A (en) | A kind of plasma emission-control equipment and method | |
| CN102011133B (en) | Pipeline circulation pickling device | |
| CN203764114U (en) | Air purifier | |
| CN102172468A (en) | Three-pass dedusting devulcanizer | |
| CN106390723A (en) | Secondary residual heat utilization type acid mist absorption tower | |
| CN107686141A (en) | A kind of desulfurization wastewater low-temperature evaporation concentration systems | |
| CN104043305A (en) | Cast casting dust removal system | |
| CN206715656U (en) | Industrial chemicals combustion tail gas processing unit | |
| CN201952495U (en) | Pipeline circulation pickling device | |
| CN215276626U (en) | Exhaust gas treatment system | |
| CN102588989A (en) | Smoke spraying and purifying heat recovery system of gas boiler as well as gas and fuel oil burning device | |
| KR101913197B1 (en) | Scrubber apparatus | |
| CN211189567U (en) | Filter equipment of pitch jar gas vent | |
| CN204911128U (en) | Processing system of waste gas among carbon black production | |
| JPH05192534A (en) | Method and apparatus for making semiconductor exhaust gas harmless | |
| CN103212283A (en) | Glass tank flue gas treatment system | |
| WO2022267090A1 (en) | Exhaust gas treatment apparatus | |
| CN211384326U (en) | Spiral dust collector falls in slope | |
| CN206762637U (en) | Deduster and dusty gas processing equipment | |
| CN108654320B (en) | Novel acid mist purifying tower | |
| CN202253679U (en) | Silane exhaust combustion and purification device | |
| CN105854555A (en) | Flue gas treatment system | |
| CN206168656U (en) | Novel coiled material production environmental protection spray booth | |
| CN218188881U (en) | Primary treatment device is collected to waste gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |