CN214654716U - Efficient treatment device for removing heavy hydrocarbon from MDEA solution - Google Patents

Abstract

The utility model provides a high-efficiency treatment device for removing heavy hydrocarbon from MDEA solution, which comprises a dissolving component and an adsorption component, wherein one side of the dissolving component is provided with the adsorption component, the dissolving component comprises a tower body, a circular plate, a filter screen, a first activated carbon adsorption plate, a cold box, a water pump, a water inlet pipe, a water outlet pipe, an L-shaped connecting pipe, a spray head, a water treatment layer, a first shell, a first through hole and an exhaust pipe, the circular plate is welded on the inner side wall of the tower body, the filter screen is welded on the inner side wall of the circular plate, two first activated carbon adsorption plates are symmetrically welded on the inner side wall of the tower body, the MDEA solution in the cold box is uniformly sprayed through the spray head by the water pump so as to be contacted and dissolved with rising gas, the dissolved gas is output through the exhaust pipe, the solution gradually permeates to the bottom of the tower body and is discharged through the first shell, thereby solving the problem of the emission of regeneration gas, the efficiency and the quality of the liquefied natural gas preparation are also ensured.

Description

Efficient treatment device for removing heavy hydrocarbon from MDEA solution

Technical Field

The utility model relates to a processing technology field of natural gas desorption heavy hydrocarbon, in particular to high-efficient processing apparatus of MDEA solution desorption heavy hydrocarbon.

Background

Along with the development of society, the application field of natural gas is gradually expanded into various fields, the market demand is also rapidly increased, but limited by raw material conditions and user distribution, a considerable part of resources cannot be transported in long distance by adopting a traditional natural gas pipeline transportation and supply mode, so that a convenient and reasonable method is changed into a liquefying mode, methane is converted into liquid and then the liquid is transported to a user terminal by adopting a flexible transportation mode, the liquefied natural gas has the volume of 1/625 equal to the volume of gas, the storage and transportation cost can be reduced after liquefaction, and the fuel value of unit volume can be improved;

and the in-process of current natural gas liquefaction, heavy hydrocarbon especially C6+ hydrocarbon is always earlier condensed down, if do not separate heavy hydrocarbon earlier, then the heavy hydrocarbon will probably solidify and freeze, thereby block up the cold box, but adopt the heavy hydrocarbon in the absorbent method desorption natural gas more among the prior art, but when heavy hydrocarbon content was higher, can show increase use cost, and regeneration gas's emission also can the polluted environment, for this reason, provide a high efficiency processing apparatus of MDEA solution desorption heavy hydrocarbon.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention is intended to provide an efficient processing apparatus for removing heavy hydrocarbons from MDEA solution, so as to solve or alleviate the technical problems in the prior art, and at least provide a useful choice.

The embodiment of the utility model provides a technical scheme is so realized: an efficient treatment device for removing heavy hydrocarbon from an MDEA solution comprises a dissolving component and an adsorption component, wherein the adsorption component is arranged on one side of the dissolving component;

the dissolving component comprises a tower body, a circular plate, a filter screen, a first activated carbon adsorption plate, a cold box, a water pump, a water inlet pipe, a water outlet pipe, an L-shaped connecting pipe, a spray head, a moisture treatment layer, a first shell, a first through hole and an exhaust pipe;

the inside wall welding of tower body has the plectane, the inside wall welding of plectane has the filter screen, the inside wall symmetrical welding of tower body has two first active carbon adsorption plates, the opposite side welding of tower body has the cold box, the inside roof welding of cold box has the water pump, the water inlet intercommunication of water pump has the inlet tube, the delivery port intercommunication of water pump has the outlet pipe, the lateral wall of outlet pipe runs through in proper order in the inside roof of cold box and the inside wall of tower body, the lower surface welding of outlet pipe has L type connecting pipe, the lateral wall of L type connecting pipe runs through in one the inside wall of first active carbon adsorption plate, the outlet pipe with the shower nozzle is evenly installed to the lower surface of L type connecting pipe, the inside wall of tower body is equipped with the moisture treatment layer.

In some embodiments, a first shell is welded on the other side of the tower body and below the cold box, a first through hole is formed in one side of the tower body adjacent to the first shell, an exhaust pipe penetrates through the inner side wall of the tower body, and MDEA solution in the tower body can conveniently enter the first shell through the first through hole.

In some embodiments, the adsorption assembly includes a first pipe, an air suction pump, a Z-shaped pipe, a second housing, a third housing, a motor, a bearing, a second pipe, a fourth housing, a heating wire, a second through hole, a second activated carbon adsorption plate, a third through hole, a condenser, a fifth through hole, a plate body, an air inlet pipe, and a fourth through hole;

the gas absorption tower is characterized in that a first pipe body is welded on one side of the tower body, a suction pump is welded on the bottom wall of the interior of the first pipe body, a fourth through hole is formed in one side, adjacent to the tower body, of the first pipe body, and gas in the adsorption assembly is input into the dissolution assembly through the suction pump inside the first pipe body.

In some embodiments, one side of the first pipe body, which is far away from the tower body, is connected with a Z-shaped pipe through flange threads, a second shell penetrates through one side of the Z-shaped pipe, which is far away from the first pipe body, and the second shell is arranged to protect the adsorption assembly from running.

In some embodiments, a third shell is welded on the upper surface of the second shell, a motor is welded on the inner top wall of the third shell, two bearings are symmetrically welded on the inner bottom wall and the inner top wall of the second shell, and the third shell protects the motor inside the third shell.

In some embodiments, the output shaft of motor is connected in the upper surface of second casing through one the bearing rotation, the output shaft welding of motor has the second body, the lower surface welding of second body is in another the inner circle of bearing, the even welding of lateral wall of second body has six fourth casings, and six one side that the second body was kept away from to the fourth casing all welds the second active carbon adsorption plate, sets up the motor and drives the second body and rotate, follows the linkage through the second active carbon adsorption plate that the fourth casing is connected the second body.

In some embodiments, the heating wire is installed on the top wall of the fourth casing, a second through hole is opened at one side of the fourth casing adjacent to the second tube, a third through hole is opened at one side of the second activated carbon adsorption plate adjacent to the fourth casing, and the second tube and the second activated carbon adsorption plate uniformly generate heat by the heating wire through the second through hole and the third through hole.

In some embodiments, two condensers are symmetrically installed on the inner side wall of the second shell, four fifth through holes are formed in the upper surface of the second shell, the inner side wall of each fifth through hole is hinged to a plate body through a pin shaft, an air inlet pipe penetrates through the inner side wall of the second shell, the temperature inside the second shell is adjusted through the condensers, and the humidity inside the second shell is controlled through the fifth through holes and the plate bodies.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

the utility model discloses a set up the second casing, utilize the motor to drive the second body, connect the fourth casing on the second body and link with the second active carbon adsorption plate, make the heavy hydrogen in the gas carry out certain solidification by the condenser, thereby adsorb it, mix with the humidity of second casing inside through the electrothermal wire, keep the result of use and the life of second active carbon adsorption plate, thereby can reduce use cost and improve adsorption effect, carry out meticulous dissolution and regeneration gas's emission behind the adsorption component, import the gas in the second casing inside to the tower body through the aspiration pump, evenly spray the MDEA solution in the cold box through the shower nozzle by the water pump, thereby contact with the gas that rises and dissolve, gas after dissolving is exported through the blast pipe, solution permeates the tower body bottom gradually and discharges through first casing, thereby solve the emission problem of regeneration gas, the efficiency and the quality of the liquefied natural gas preparation are also ensured.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a structural view of the connection between the second pipe and the fourth casing of the present invention.

Reference numerals: 1. a dissolution component; 101. a tower body; 11. a circular plate; 12. a filter screen; 13. a first activated carbon adsorption plate; 14. a cold box; 15. a water pump; 16. a water inlet pipe; 17. a water outlet pipe; 18. an L-shaped connecting pipe; 19. a spray head; 20. a moisture-treated layer; 21. a first housing; 22. a first through hole; 23. an exhaust pipe; 3. an adsorption component; 301. a first pipe body; 31. an air pump; 32. a Z-shaped pipe; 33. a second housing; 34. a third housing; 35. a motor; 36. a bearing; 37. a second tube body; 38. a fourth housing; 381. an electric heating wire; 382. a second through hole; 39. a second activated carbon adsorption plate; 391. a third through hole; 40. a condenser; 41. a fifth through hole; 42. a plate body; 43. an air inlet pipe; 44. and a fourth via.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the embodiment of the present invention provides a high efficiency treatment apparatus for removing heavy hydrocarbons from MDEA solution, which includes a dissolution component 1 and an adsorption component 3, wherein the adsorption component 3 is disposed on one side of the dissolution component 1;

the dissolving component 1 comprises a tower body 101, a circular plate 11, a filter screen 12, a first activated carbon adsorption plate 13, a cold box 14, a water pump 15, a water inlet pipe 16, a water outlet pipe 17, an L-shaped connecting pipe 18, a spray head 19, a moisture treatment layer 20, a first shell 21, a first through hole 22 and an exhaust pipe 23;

the inside wall welding of tower body 101 has plectane 11, the inside wall welding of plectane 11 has filter screen 12, the inside wall symmetrical welding of tower body 101 has two first active carbon adsorption plates 13, the opposite side welding of tower body 101 has cold box 14, the inside roof welding of cold box 14 has water pump 15, water pump 15's water inlet intercommunication has inlet tube 16, water pump 15's delivery port intercommunication has outlet pipe 17, outlet pipe 17's lateral wall runs through in cold box 14's inside roof and tower body 101's inside wall in proper order, outlet pipe 17's lower surface welding has L type connecting pipe 18, L type connecting pipe 18's lateral wall runs through in a first active carbon adsorption plates 13's inside wall, shower nozzle 19 is evenly installed with L type connecting pipe 18's lower surface to outlet pipe 17, the inside wall of tower body 101 is equipped with moisture treatment layer 20.

In one embodiment, a first shell 21 is welded on the other side of the tower body 101 and below the cold box 14, a first through hole 22 is formed in one side of the tower body 101 adjacent to the first shell 21, an exhaust pipe 23 penetrates through the inner side wall of the tower body 101, the MDEA solution at the bottom of the tower body 101 can enter the first shell 21 through the first through hole 22, and the MDEA solution is discharged through the first shell 21.

In one embodiment, the adsorption assembly 3 includes a first pipe 301, a suction pump 31, a Z-shaped pipe 32, a second housing 33, a third housing 34, a motor 35, a bearing 36, a second pipe 37, a fourth housing 38, a heating wire 381, a second through hole 382, a second activated carbon adsorption plate 39, a third through hole 391, a condenser 40, a fifth through hole 41, a plate body 42, an air inlet pipe 43, and a fourth through hole 44;

one side welding of tower body 101 has first body 301, and the welding of the inside diapire of first body 301 has aspiration pump 31, and fourth through-hole 44 has been seted up to first body 301 and the adjacent one side of tower body 101, and the gas that adsorbs the completion of absorption assembly 3 is inputed to dissolving assembly 1 through the fourth through-hole 44 through the aspiration pump 31 that sets up in first body 301 inside.

In one embodiment, a Z-shaped pipe 32 is screwed to a side of the first pipe 301 away from the tower 101 through a flange, and a second casing 33 penetrates through a side of the Z-shaped pipe 32 away from the first pipe 301, so that the second casing 33 is disposed to protect the operation of the adsorption assembly 3.

In one embodiment, the third casing 34 is welded on the upper surface of the second casing 33, the motor 35 is welded on the inner top wall of the third casing 34, two bearings 36 are symmetrically welded on the inner bottom wall and the inner top wall of the second casing 33, the inner motor 35 is protected by the third casing 34, and the bearings 36 are installed to ensure the normal operation of the second pipe 37 connected with the second casing.

In one embodiment, the output shaft of the motor 35 is rotatably connected to the upper surface of the second housing 33 through a bearing 36, the output shaft of the motor 35 is welded with the second tube 37, the lower surface of the second tube 37 is welded to the inner ring of another bearing 36, six fourth housings 38 are uniformly welded to the outer side wall of the second tube 37, one sides of the six fourth housings 38 far away from the second tube 37 are welded with the second activated carbon adsorption plate 39, and by arranging the motor 35, the output shaft of the motor drives the second tube 37 to rotate, so that the second activated carbon adsorption plate 39 connected with the second tube 37 through the fourth housing 38 follows the linkage.

In one embodiment, the heating wire 381 is installed on the top wall of the fourth casing 38, the second through hole 382 is opened on the side of the fourth casing 38 adjacent to the second tube 37, the third through hole 391 is opened on the side of the second activated carbon adsorption plate 39 adjacent to the fourth casing 38, and the second tube 37 and the second activated carbon adsorption plate 39 can be uniformly heated and release heat through the installed heating wire 381 and the opened second through hole 382 and third through hole 391.

In an embodiment, two condensers 40 are symmetrically installed on the inner side wall of the second housing 33, four fifth through holes 41 are opened on the upper surface of the second housing 33, the inner side wall of the fifth through hole 41 is hinged to a plate body 42 through a pin shaft, an air inlet pipe 43 penetrates through the inner side wall of the second housing 33, the condenser 40 can be used for adjusting the temperature inside the second housing 33, and the humidity inside the second housing 33 is controlled by using the fifth through hole 41 and the plate body 42.

In one embodiment, a switch set for controlling the on and off of the water pump 15, the air pump 31, the motor 35, the heating wire 381 and the condenser 40 is installed outside the second housing 33, and the switch set is connected to the external commercial power to supply power to the water pump 15, the air pump 31, the motor 35, the heating wire 381 and the condenser 40.

In this embodiment: the water pump 15 is 65-125IA in model.

In this embodiment: the suction pump 31 is 4RB-21D-1 in model number.

In this embodiment: the motor 35 is model number YVP 315S.

In this embodiment: the heating wire 381 is of the type HST-OP.

In this embodiment: the condenser 40 is model QL.

The utility model discloses at the during operation: the air is introduced into the second housing 33 through the air inlet pipe 43, the switch set is turned on to start the motor 35, the output shaft of the motor 35 drives the second pipe 37 to rotate, so that the second activated carbon adsorption plate 39 connected to the second pipe 37 via the fourth housing 38 is interlocked to turn on the switch set to start the condenser 40, the cooling effect of the condenser 40 can reduce the temperature inside the second housing 33, the heating wire 381 is turned on by the switch set, and the second activated carbon adsorption plate 39 and the second tube 37 can realize heating effect through the second through hole 382 and the third through hole 391, and a certain amount of heat is released, and then the humidity contained in the second housing 33 is mixed to generate moisture at a certain temperature, so that the heavy hydrogen contained in the gas inside the second housing 33 is adsorbed on the one hand, and the continuous operation of the second activated carbon adsorption plate 39 can be ensured on the other hand;

after the adsorption component 3 is used for carrying out most heavy hydrogen treatment, the switch group is turned on to start the air pump 31, the gas in the second shell 33 is output to the inside of the tower body 101 through the Z-shaped pipe 32 and the fifth through hole 41, the switch group is turned on to start the water pump 15 in the cold box 14, the water pump 15 sprays the MDEA solution in the cold box 14 through the water inlet pipe 16 and the water outlet pipe 17 to the inside of the tower body 101 through the spray head 19, so that the sprayed MDEA solution is dissolved with the heavy hydrogen in the rising gas, the dissolved MDEA solution gradually permeates to the bottom of the tower body 101 through the first activated carbon adsorption plate 13 and the filter screen 12, enters the first shell 21 through the first through hole 22 to realize discharge, and the dissolved gas is discharged through the moisture treatment layer 20 and the exhaust pipe 23, wherein the moisture treatment layer 20 is made of water-absorbing epoxy resin which is a white powdery substance, the water-absorbing paint is nontoxic and tasteless, can absorb water with volume nearly one hundred times of the water, has stable property, can exist for a long time in most environments, and can be used repeatedly.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a high-efficient processing apparatus of MDEA solution desorption heavy hydrocarbon, includes dissolving subassembly (1) and adsorption component (3), its characterized in that: an adsorption component (3) is arranged on one side of the dissolving component (1);

the dissolving component (1) comprises a tower body (101), a circular plate (11), a filter screen (12), a first activated carbon adsorption plate (13), a cold box (14), a water pump (15), a water inlet pipe (16), a water outlet pipe (17), an L-shaped connecting pipe (18), a spray head (19), a moisture treatment layer (20), a first shell (21), a first through hole (22) and an exhaust pipe (23);

the inside wall welding of tower body (101) has plectane (11), the inside wall welding of plectane (11) has filter screen (12), the inside wall symmetrical welding of tower body (101) has two first active carbon adsorption board (13), the opposite side welding of tower body (101) has cold box (14), the inside roof welding of cold box (14) has water pump (15), the water inlet intercommunication of water pump (15) has inlet tube (16), the delivery port intercommunication of water pump (15) has outlet pipe (17), the lateral wall of outlet pipe (17) runs through in proper order in the inside roof of cold box (14) and the inside wall of tower body (101), the lower surface welding of outlet pipe (17) has L type connecting pipe (18), the lateral wall of L type connecting pipe (18) runs through in one the inside wall of first active carbon adsorption board (13), outlet pipe (17) with shower nozzle (19) are evenly installed to the lower surface of L type connecting pipe (18), the inside wall of tower body (101) is equipped with moisture processing layer (20).

2. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 1, wherein: the opposite side of tower body (101) just is located the below welding of cold box (14) has first casing (21), tower body (101) with first through-hole (22) have been seted up to the adjacent one side of first casing (21), the inside wall of tower body (101) is run through and is had blast pipe (23).

3. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 1, wherein: the adsorption component (3) comprises a first pipe body (301), an air suction pump (31), a Z-shaped pipe (32), a second shell (33), a third shell (34), a motor (35), a bearing (36), a second pipe body (37), a fourth shell (38), an electric heating wire (381), a second through hole (382), a second activated carbon adsorption plate (39), a third through hole (391), a condenser (40), a fifth through hole (41), a plate body (42), an air inlet pipe (43) and a fourth through hole (44);

one side welding of tower body (101) has first body (301), the welding of the inside diapire of first body (301) has aspiration pump (31), first body (301) with fourth through-hole (44) have been seted up to the adjacent one side of tower body (101).

4. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 3, wherein: one side of the first pipe body (301) far away from the tower body (101) is connected with a Z-shaped pipe (32) through flange threads, and one side of the Z-shaped pipe (32) far away from the first pipe body (301) penetrates through a second shell (33).

5. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 4, wherein: the upper surface welding of second casing (33) has third casing (34), the welding of the inside roof of third casing (34) has motor (35), the inside diapire of second casing (33) has two bearings (36) with inside roof symmetrical weld.

6. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 5, wherein: the output shaft of motor (35) is through one bearing (36) rotate to be connected in the upper surface of second casing (33), the output shaft welding of motor (35) has second body (37), the lower surface of second body (37) welds in another the inner circle of bearing (36), the even welding of lateral wall of second body (37) has six fourth casings (38), six one side that second body (37) were kept away from in fourth casing (38) all welds second active carbon adsorption plate (39).

7. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 6, wherein: the heating wire (381) is installed on the top wall of the interior of the fourth shell (38), a second through hole (382) is formed in one side, adjacent to the second pipe body (37), of the fourth shell (38), and a third through hole (391) is formed in one side, adjacent to the fourth shell (38), of the second activated carbon adsorption plate (39).

8. The efficient MDEA solution heavy hydrocarbon removal treatment unit of claim 4, wherein: two condensers (40) are installed to the inside wall symmetry of second casing (33), four fifth through-holes (41) have been seted up to the upper surface of second casing (33), the inside wall of fifth through-hole (41) articulates through the round pin axle has plate body (42), the inside wall of second casing (33) runs through has intake pipe (43).

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