CN210159362U

CN210159362U - Tail gas processing apparatus is used in useless machine oil production

Info

Publication number: CN210159362U
Application number: CN201920899765.1U
Authority: CN
Inventors: 邵伟科
Original assignee: Wuxi Kemike Equipment Technology Co Ltd
Current assignee: Wuxi Kemike Equipment Technology Co Ltd
Priority date: 2019-06-15
Filing date: 2019-06-15
Publication date: 2020-03-20
Anticipated expiration: 2029-06-15

Abstract

The utility model discloses a tail gas processing device for waste engine oil production, which comprises a refrigeration box and a filter box, wherein the bottom of the refrigeration box is provided with a base support, a refrigeration cavity is arranged in the refrigeration box, a heat exchange pipe is arranged in the refrigeration cavity, one end of the heat exchange pipe is provided with an air guide fan, and two chutes are arranged below the heat exchange pipe; the utility model relates to a rationally, constitute refrigerating system through polylith semiconductor refrigeration piece, semiconductor refrigeration has the noise low, can continuous operation, advantages such as no vibration intensity, utilize semiconductor refrigeration piece to the water cooling, the mode that utilizes to spray cools down waste gas, the water tank of bottom can be gathered the water after spraying once more, so that cyclic use, waste gas after the cooling lets in the rose box through the pressurization of booster pump in, utilize the sodium hydroxide solution in the rose box and the acidic material in the tail gas to carry out neutralization, waste gas after the neutralization carries out double filtration through HEPA filter plate and active carbon filter plate once more, thereby reach the processing to waste gas.

Description

Tail gas processing apparatus is used in useless machine oil production

Technical Field

The utility model relates to the technical field of chemical industry, specifically be a tail gas processing apparatus is used in useless machine oil production.

Background

The regeneration of the used oil, namely the removal of impurities in the oil by using methods such as sedimentation, distillation, acid washing, alkali washing, filtration and the like is a toxic substance, the oil body of the used oil is not damaged much, and only the additives in the used oil are overdue in the accumulated use and contain impurities in an engine. After purification and addition of new additives, the regenerated engine oil can be returned to the market, the performance is unchanged, the waste engine oil has a good recycling effect, a large amount of waste gas can be generated in the refining process of the waste engine oil, and the waste gas contains acidic substances such as H2S, SO2, SO3 and the like.

Although the existing tail gas treatment device can neutralize tail gas through sodium hydroxide alkaline solution, the neutralization fineness is not high, when a large amount of waste gas contacts with the alkaline solution, partial waste gas possibly does not react with the alkaline solution due to excessive waste gas, so that a small amount of waste gas does not completely react, other impurities can be contained in the tail gas, and a refrigeration system of the tail gas treatment device generally adopts a compressor, so that larger vibration and noise can be generated in the use process, and the tail gas treatment device is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a tail gas processing apparatus is used in useless machine oil production has advantages such as the noise is low, the treatment effeciency is high, the refrigeration effect is good, has solved that current tail gas processing apparatus for useless machine oil production noise is big, the treatment effeciency is low, the refrigeration effect is poor the scheduling problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a tail gas treatment device for waste engine oil production comprises a refrigeration box and a filter box, wherein a base support is arranged at the bottom of the refrigeration box, a refrigeration cavity is arranged in the refrigeration box, a heat exchange pipe is arranged in the refrigeration cavity, an air guide fan is arranged at one end of the heat exchange pipe, two chutes are arranged below the heat exchange pipe and incline towards the middle, a second water pipe is communicated with the middle of each chute, a water tank is arranged at the bottom of each chute and is filled with water, the second water pipe is inserted into the water tank, a first water pipe is arranged above the heat exchange pipe, a plurality of drain holes are formed in the first water pipe, a plurality of spray heads are arranged on the drain holes, the first water pipe is communicated with a drain pipe, the drain pipe is communicated with a water outlet of a water pump, a water inlet of the water pump is communicated with a water inlet pipe, the water inlet pipe is inserted into the, the pneumatic valve is installed to heat exchange tube one end and communicates with the booster pump, booster pump gas outlet intercommunication has the air duct, the rose box bottom holds the sodium hydroxide solution, transversely be fixed with active carbon in the middle of the rose box and cross filter plate and HEPA and cross filter plate, the air duct passes active carbon and crosses filter plate and HEPA and cross filter plate and insert in the sodium hydroxide solution, air duct bottom transverse connection has the breather pipe, the rose box top is provided with the gas vent.

Further improved ground, the water tank bottom is provided with the cold air chamber, and the air conditioning intracavity transversely is fixed with a plurality of semiconductor refrigeration piece, and the heat-absorbing surface of semiconductor refrigeration piece is towards the water tank, the inside ten copper pipes that are fixed with of water tank, ten copper pipes pass water tank and air conditioning chamber intercommunication, and the end cover that gives out heat of semiconductor refrigeration piece has the exhaust hood, be fixed with radiator fan in the middle of the exhaust hood, radiator fan air outlet department is provided with the dust screen.

In a further improvement, the surface of the copper pipe is fully distributed with fins.

In a further improvement mode, the joint of the copper pipe and the water tank is sealed through a sealing ring.

In a further improvement, the middle part of the heat exchange tube is in a serpentine shape.

In a further improvement mode, the two surfaces of the air guide fan are respectively provided with an air guide cover, and the air guide covers on the two surfaces are respectively communicated with the heat exchange tube and the air inlet tube.

In a further improvement, the surface of the vent pipe is full of air holes.

(III) advantageous effects

Compared with the prior art, the utility model provides a tail gas processing apparatus is used in useless machine oil production possesses following beneficial effect:

1. this kind of tail gas processing apparatus is used in waste engine oil production, structural design is reasonable, make up into refrigerating system through polylith semiconductor refrigeration piece, semiconductor refrigeration has the noise low, can continuous operation, advantages such as no vibration intensity, utilize the semiconductor refrigeration piece to cool down water, the mode that utilizes to spray cools down waste gas, the water tank of bottom can gather the water after spraying once more, so that recycle, waste gas after the cooling lets in the rose box through the pressurization of booster pump, utilize the sodium hydroxide solution in the rose box and the acidic material in the tail gas to carry out the neutralization, waste gas after the neutralization filters the otter board through HEPA filter board and active carbon once more and carries out the double filtration, thereby reach the processing to waste gas.

2. The tail gas treatment device for waste engine oil production is characterized in that a cold gas cavity is arranged at the bottom of a water tank, a plurality of semiconductor refrigerating sheets are transversely fixed in the cold gas cavity, water is refrigerated by the plurality of semiconductor refrigerating sheets, the heat absorbing surfaces of the semiconductor refrigerating sheets face the water tank, ten copper pipes are fixed in the water tank, the ten copper pipes penetrate through the water tank and are communicated with the cold gas cavity, the heat releasing ends of the semiconductor refrigerating sheets are covered with an exhaust hood, a radiating fan is fixed in the middle of the exhaust hood, a dust screen is arranged at the air outlet of the radiating fan, the semiconductor refrigerating sheets refrigerate and heat simultaneously, heat generated by the semiconductor refrigerating sheets is discharged by the radiating fan, heat accumulation is avoided, fins are fully distributed on the surfaces of the copper pipes, the surface area of the whole copper pipes is increased by the fins, the heat exchange area between the copper pipes and the water is also enlarged, the heat, the problem of water leakage of the water tank is avoided.

3. This kind of tail gas processing apparatus is used in waste engine oil production, the heat exchange tube mid portion is snakelike, snakelike length that has increased the heat exchange tube, thereby the time that waste gas removed in the heat exchange tube has been prolonged, let waste gas can fully cool down, the two sides of air guide fan all is provided with the air guide cover, the air guide cover on two sides respectively with the heat exchange tube, the intake pipe intercommunication, improve waste gas and enter into the speed in refrigeration chamber, the breather pipe surface is covered with the gas pocket, refine the waste gas after will refrigerating and arrange into in the sodium hydroxide solution, let the acidic material in the gas fully react with alkaline solution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the water tank of the present invention;

FIG. 3 is a schematic view of the structure of the filtering box of the present invention;

fig. 4 is an enlarged view of the structure at a of the present invention.

In the figure: 1. a refrigeration case; 2. a refrigeration cavity; 3. an air inlet pipe; 4. a gas guide hood; 5. an air guide fan; 6. a heat exchange pipe; 7. a chute; 8. a base; 9. a water tank; 10. a water pump; 11. a drain pipe; 12. a spray head; 13. a water inlet pipe; 14. a first water pipe; 15. a copper pipe; 16. a fin; 17. a seal ring; 18. a semiconductor refrigeration sheet; 19. an exhaust hood; 20. a heat radiation fan; 21. a dust screen; 22. a second water pipe; 23. a filter box; 24. an exhaust port; 25. an air duct; 26. a booster pump; 27. HEPA filter screen plate; 28. an active carbon filter screen plate; 29. a sodium hydroxide solution; 30. a breather pipe; 31. air holes; 32. a cold air chamber; 33. and (4) an air valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tail gas treatment device for waste engine oil production comprises a refrigeration box 1 and a filter box 23, wherein the bottom of the refrigeration box 1 is supported by a base 8, a refrigeration cavity 2 is arranged in the refrigeration box 1, a heat exchange tube 6 is arranged in the refrigeration cavity 2, one end of the heat exchange tube 6 is provided with an air guide fan 5, two chutes 7 are arranged below the heat exchange tube 6, the two chutes 7 incline towards the middle, a second water tube 22 is communicated with the middle of each chute 7, the bottom of each chute 7 is provided with a water tank 9, the water tank 9 is filled with water, the second water tube 22 is inserted into the water tank 9, a first water tube 14 is arranged above the heat exchange tube 6, the first water tube 14 is provided with a plurality of drain holes, the drain holes are provided with a plurality of spray heads 12, the first water tube 14 is communicated with a drain tube 11, the drain tube 11 is communicated with a water outlet of a water pump 10, and a water inlet of the water pump, inlet tube 13 inserts inside the water tank 9, the rose box 23 top is provided with booster pump 26, 6 one end of heat exchange tube are installed pneumatic valve 33 and are communicated with booster pump 26, the booster pump 26 gas outlet intercommunication has air duct 25, 23 bottoms of rose box contain sodium hydroxide solution 29, transversely be fixed with active carbon filter plate 28 and HEPA filter plate 27 in the middle of the rose box 23, air duct 25 passes active carbon filter plate 28 and HEPA filter plate 27 and inserts in sodium hydroxide solution 29, 25 bottom transverse connection of air duct has breather pipe 30, 23 tops of rose box are provided with gas vent 24.

As shown in fig. 1, the heat exchange tube 6 middle part is snakelike, and snakelike length that has increased heat exchange tube 6 to prolonged the time that waste gas removed in heat exchange tube 6, let waste gas can fully cool down, air guide fan 5's two sides all is provided with air guide cover 4, and air guide cover 4 on two sides communicates with heat exchange tube 6, intake pipe 3 respectively, improves the speed that waste gas enters into refrigeration chamber 2.

As shown in fig. 2 and 3, a cooling air cavity 32 is arranged at the bottom of the water tank 9, a plurality of semiconductor chilling plates 18 are transversely fixed in the cooling air cavity 32, water is chilled by the plurality of semiconductor chilling plates 18, the heat absorbing surface of the semiconductor chilling plates 18 faces the water tank 9, ten copper pipes 15 are fixed in the water tank 9, the ten copper pipes 15 penetrate through the water tank 9 and are communicated with the cooling air cavity 32, the heat releasing end of the semiconductor chilling plates 18 is covered with an exhaust hood 19, a heat radiating fan 20 is fixed in the middle of the exhaust hood 19, a dust screen 21 is arranged at the air outlet of the heat radiating fan 20, because the semiconductor chilling plates 18 cool and heat simultaneously, heat generated by the semiconductor chilling plates is discharged by the heat radiating fan 20, so that heat accumulation is avoided, fins 16 are distributed on the surface of the copper pipes 15, the surface area of the whole copper pipes is increased, and the heat exchange area between the copper pipes 15 and, the heat exchange efficiency is greatly improved, the joint of the copper pipe 15 and the water tank 9 is sealed by the sealing ring 17, and the water leakage problem of the water tank 9 is avoided.

As shown in fig. 4, the vent pipe 30 is covered with air holes 31, and the cooled exhaust gas is finely discharged into the sodium hydroxide solution 29, so that the acidic substances in the gas can fully react with the alkaline solution.

The working principle is as follows: when using, air guide fan 5 lets in waste gas in the heat exchange tube 6, the air conditioning that produces through semiconductor refrigeration piece 18, let in copper pipe 15, refrigerate through copper pipe 15 to the water in the water tank 9, utilize water pump 10 to let in water to first water pipe 14 afterwards, from a plurality of shower nozzles 12 blowout of first water pipe 14, spun cold water cools down the waste gas in the heat exchange tube 6, and the water after spraying falls into chute 7, flow into in the water tank 9 along chute 7, refrigerate through semiconductor refrigeration piece 18 once more to water, thereby accomplish the refrigerated effect of circulation, water resource has been practiced thrift by a wide margin. After spraying and cooling, the gas valve is opened, the waste gas is pressurized by the booster pump 26 and then is introduced into the vent pipe 30, the vent pipe 30 thins the waste gas and then introduces the waste gas into the sodium hydroxide solution 29, the waste gas and the alkaline solution are fully reacted, the reacted gas passes through the activated carbon filter screen plate 28 and the HEPA filter screen plate 27, impurities in the gas are filtered, and finally the gas is discharged from the exhaust port 24.

To sum up, the utility model has the advantages of reasonable design, make up into refrigerating system through polylith semiconductor refrigeration piece 18, semiconductor refrigeration has the noise low, can continuous operation, advantages such as no vibration intensity, utilize semiconductor refrigeration piece 18 to the water cooling, utilize the mode that sprays to cool down waste gas, the water tank 9 of bottom can be gathered the water after spraying once more, so that the circulation is used, waste gas after the cooling lets in the rose box 23 through booster pump 26's pressurization, utilize the sodium hydroxide solution 29 in the rose box 23 and the acidic material in the tail gas to carry out neutralization, waste gas after the neutralization carries out double filtration through HEPA filter plate and active carbon filter plate 28 once more, thereby reach the processing to waste gas.

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

1. The utility model provides a tail gas processing apparatus is used in used oil production, includes refrigeration case (1) and rose box (23), its characterized in that: the refrigerator is characterized in that a base (8) is arranged at the bottom of the refrigerator (1) for supporting, a refrigeration cavity (2) is arranged in the refrigerator (1), a heat exchange tube (6) is arranged in the refrigeration cavity (2), an air guide fan (5) is arranged at one end of the heat exchange tube (6), two chutes (7) are arranged below the heat exchange tube (6), the two chutes (7) incline towards the middle, a second water tube (22) is communicated with the middle of each chute (7), a water tank (9) is arranged at the bottom of each chute (7), water is filled in each water tank (9), the second water tube (22) is inserted into each water tank (9), a first water tube (14) is arranged above the heat exchange tube (6), a plurality of drain holes are formed in the first water tube (14), a plurality of spray heads (12) are arranged on the drain holes, and the first water tube (14) is communicated with the drain tubes (11), the water outlet pipe (11) is communicated with the water outlet of the water pump (10), the water inlet of the water pump (10) is communicated with a water inlet pipe (13), the water inlet pipe (13) is inserted into the water tank (9), the top of the filter box (23) is provided with a booster pump (26), one end of the heat exchange pipe (6) is provided with an air valve (33) and is communicated with a booster pump (26), an air outlet of the booster pump (26) is communicated with an air duct (25), the bottom of the filter box (23) is filled with a sodium hydroxide solution (29), an active carbon filter screen plate (28) and an HEPA filter screen plate (27) are transversely fixed in the middle of the filter box (23), the air duct (25) passes through the active carbon filter screen plate (28) and the HEPA filter screen plate (27) and is inserted into the sodium hydroxide solution (29), the bottom of the air duct (25) is transversely connected with an air duct (30), and the top of the filter box (23) is provided with an air outlet (24).

2. The tail gas treatment device for waste engine oil production according to claim 1, characterized in that: the water tank is characterized in that a cold air cavity (32) is formed in the bottom of the water tank (9), a plurality of semiconductor refrigerating sheets (18) are transversely fixed in the cold air cavity (32), the heat absorbing surfaces of the semiconductor refrigerating sheets (18) face the water tank (9), ten copper pipes (15) are fixed inside the water tank (9), the ten copper pipes (15) penetrate through the water tank (9) to be communicated with the cold air cavity (32), an exhaust hood (19) is covered at the heat releasing end of the semiconductor refrigerating sheets (18), a cooling fan (20) is fixed in the middle of the exhaust hood (19), and a dust screen (21) is arranged at the air outlet of the cooling fan (20).

3. The tail gas treatment device for waste engine oil production according to claim 2, characterized in that: fins (16) are distributed on the surface of the copper pipe (15).

4. The tail gas treatment device for waste engine oil production according to claim 2, characterized in that: the joint of the copper pipe (15) and the water tank (9) is sealed by a sealing ring (17).

5. The tail gas treatment device for waste engine oil production according to claim 1, characterized in that: the middle part of the heat exchange tube (6) is in a snake shape.

6. The tail gas treatment device for waste engine oil production according to claim 1, characterized in that: and the two sides of the air guide fan (5) are provided with air guide covers (4), and the air guide covers (4) on the two sides are respectively communicated with the heat exchange tubes (6) and the air inlet tubes (3).

7. The tail gas treatment device for waste engine oil production according to claim 1, characterized in that: the surface of the vent pipe (30) is distributed with air holes (31).