CN201276550Y - Dewatering equipment for natural gas - Google Patents
Dewatering equipment for natural gas Download PDFInfo
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- CN201276550Y CN201276550Y CNU2008203023838U CN200820302383U CN201276550Y CN 201276550 Y CN201276550 Y CN 201276550Y CN U2008203023838 U CNU2008203023838 U CN U2008203023838U CN 200820302383 U CN200820302383 U CN 200820302383U CN 201276550 Y CN201276550 Y CN 201276550Y
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Abstract
The utility model discloses a natural gas dehydration device for the dehydration and regeneration of an adsorbing agent in an adsorption tower by adopting the varying temperature adsorption and regeneration principle of the adsorbing agent, and the device has the characteristic of energy saving. The natural gas dehydration device comprises a left adsorption tower and a right adsorption tower; the input ends of the left adsorption tower and the right adsorption tower are respectively connected with an output end of an imported separator by a valve. The input end of the imported separator is connected with an air inlet; the output ends of the left adsorption tower and the right adsorption tower are interconnected by a two-way drainage device; the input end of the imported separator is connected with the air inlet by a compressor; the input ends of the left adsorption tower and the right adsorption tower are connected with an outlet valve respectively; the two-way drainage device is connected with the output end of the imported separator by the valve. The natural gas dehydration device of the utility model removed the heater in the existing natural gas dehydration device, thereby reducing the energy consumption of the equipment greatly and having the functions of energy saving and environmental protection.
Description
Technical field
The utility model relates to a kind of natual gas dehydrate unit, and this device has adopted sorbent material alternating temperature absorption regeneration principle to the regeneration of dewatering of the sorbent material in the adsorption tower.
Background technology
Traditional natual gas dehydrate unit as shown in Figure 1, it comprises left adsorption tower 21 and right adsorption tower 22, the input terminus of left side adsorption tower 21 and the input terminus of right adsorption tower 22 are connected with the output terminal of valve 13 with import separator 1 by valve 12 respectively, the input terminus of import separator 1 is connected with inlet mouth, the output terminal of left side adsorption tower 21 and the output terminal of right adsorption tower 22 interconnect by double take-off device 3, and the input terminus of left adsorption tower 21 and right adsorption tower 22 is connected with the input terminus of import separator 1 by valve and through water cooler 5, gas-liquid separator 6, compressor 7 respectively.
The effect of double take-off device 3 is that the Sweet natural gas of left adsorption tower 21 outputs is introduced right adsorption tower 22 or the Sweet natural gas of right adsorption tower 22 outputs is introduced left adsorption tower 21.This double take-off device 3 comprises valve 31 and the valve 33 that polyphone is provided with, valve 32 and valve 34 that polyphone is provided with, and the branch road 37 of the output terminal of the output terminal of connection valve 31 and valve 32; The input terminus of valve 31 all is communicated with the output terminal of left adsorption tower 21 with the input terminus of valve 32, and the output terminal of valve 33 all is communicated with the output terminal of right adsorption tower 22 with the output terminal of valve 34.The branch road 37 of this double take-off device 3 is provided with the output channel of well heater 4 and Sweet natural gas, and Sweet natural gas can enter left adsorption tower 21 or right adsorption tower 22 after this output channel output or heater via 4 heating.
Above-mentioned natual gas dehydrate unit has adopted sorbent material alternating temperature absorption regeneration principle to come the sorbent material in left adsorption tower 21 and the right adsorption tower 22 is carried out deep dehydration regeneration, thereby prolongs the work-ing life of sorbent material.The operational process of this natual gas dehydrate unit is:
(1) in the spin cycle of Sweet natural gas, after wet inlet Sweet natural gas at first carries out oil removing, water through import separator 1, carry out the adsorption dewatering of Sweet natural gas again to left adsorption tower 21 or right adsorption tower 22 through valve 12 or valve 13, Sweet natural gas after the dehydration is from the output channel and the post-filter 8 of left adsorption tower 21 or 22 outputs of right adsorption tower and the Sweet natural gas through double take-off device 3, and is defeated outward as product gas.
(2) in the regeneration period of sorbent material (dehydration with right adsorption tower 22 is regenerated as example), after wet inlet Sweet natural gas at first carries out oil removing, water through import separator 1, carry out the adsorption dewatering of Sweet natural gas again through valve 12 to left adsorption tower 21, with the Sweet natural gas after the dehydration as resurgent gases from 21 outputs of left adsorption tower and successively the valve through double take-off device 3 32, well heater 4 be heated to certain temperature after valve 33 to down and the regeneration of dewatering of the sorbent materials in 22 pairs of right adsorption towers 22 of the right adsorption tower of introducing.Liquid water the gas is separated by water cooler 5 coolings and by gas-liquid separator 6 from the resurgent gases of right adsorption tower 22 outputs, through the inlet end that enters import separator 1 after natural gas via overdraft machine 7 superchargings after separating dehydration cycle again.
Above-mentioned natual gas dehydrate unit need be heated to resurgent gases about 250 ℃ by well heater 4 in the regenerative process of carrying out sorbent material, and type of heating is process furnace heating or electrically heated, needs to consume lot of energy, is unfavorable for energy-conserving and environment-protective.
The utility model content
The technical problem that the utility model solved is: a kind of energy-conservation natual gas dehydrate unit is provided.
The technical scheme that solves the problems of the technologies described above is: natual gas dehydrate unit, comprise left adsorption tower and right adsorption tower, the input terminus of left side adsorption tower and the input terminus of right adsorption tower are connected by the output terminal of valve with the import separator respectively, the input terminus of import separator is connected with inlet mouth, the output terminal of left side adsorption tower and the output terminal of right adsorption tower interconnect by the double take-off device, wherein, the input terminus of import separator is connected with inlet mouth by compressor, the input terminus of left side adsorption tower and the input terminus of right adsorption tower are connected with delivery valve respectively, and the double take-off device is connected by the output terminal of valve with the import separator.
Further be that polyphone is provided with gas-liquid separator on the resurgent gases transport pipe of described double take-off device.
Further be that the input terminus polyphone of described gas-liquid separator is provided with water cooler.
Further be that the input terminus of described water cooler is connected by the output terminal of valve with the import separator.
Further be that the output terminal of described gas-liquid separator is connected with right adsorption tower with left adsorption tower respectively by cooling system.
As the preferred version of technique scheme, described cooling system comprises cooling driers, and the input terminus of cooling driers is connected with the output terminal of gas-liquid separator by valve, and the output terminal of cooling driers is connected with right adsorption tower with left adsorption tower with valve by valve respectively.
Further be that described cooling system gets output terminal and is connected with the input terminus of left adsorption tower and the input terminus of right adsorption tower respectively; The output terminal of left side adsorption tower and the output terminal of right adsorption tower are connected delivery valve and delivery valve respectively.
The beneficial effects of the utility model are: natual gas dehydrate unit of the present utility model is in the regenerative process of carrying out sorbent material, the wet at first compressed machine supercharging of inlet Sweet natural gas, then after the import separator carries out oil removing, water, directly enter left adsorption tower or the wherein dehydration regeneration of carrying out sorbent material of right adsorption tower as regeneration gas, the gas of output is introduced the adsorption dewatering that carries out Sweet natural gas in another adsorption tower again by the double take-off device, and the Sweet natural gas that reaches dew point is directly exported as finished product gas by delivery valve from the input terminus of this adsorption tower; In the spin cycle of Sweet natural gas, enter the double take-off device by valve after the wet at first compressed machine supercharging of inlet Sweet natural gas, introduce the adsorption dewatering that left adsorption tower or right adsorption tower carry out Sweet natural gas by the double take-off device, the Sweet natural gas after the dehydration is exported as finished product gas through delivery valve from the input terminus of this adsorption tower.In sum, natual gas dehydrate unit of the present utility model has been cancelled the well heater in the existing natual gas dehydrate unit, after the substitute is the waste heat that utilizes the inlet Sweet natural gas and carrying out supercharging, the gas of import separator output terminal is directly introduced adsorption tower to the sorbent material regeneration of dewatering, thereby greatly reduce equipment energy consumption, play the effect of energy-conserving and environment-protective; Resurgent gases all is recycled to adsorption tower by the double take-off device and is carried out processed, realizes that the zero release of resurgent gases does not consume additional energy, and is energy-efficient.Test shows, natual gas dehydrate unit of the present utility model from compressor output without the refrigerative natural gas temperature can＞100 ℃, dew point can reach-10 ℃ during the output of product gas, meets the requirement of pipeline gas fully.
Description of drawings
Fig. 1 is the structural representation of existing natual gas dehydrate unit.
Fig. 2 is the structural representation of natual gas dehydrate unit of the present utility model.
Be labeled as among the figure: import separator 1, left adsorption tower 21, right adsorption tower 22, double take-off device 3, valve 31, valve 32, valve 33, valve 34, gas-liquid separator 35, water cooler 36, branch road 37, well heater 4, water cooler 5, gas-liquid separator 6, compressor 7, post-filter 8, cooling system 9, valve 91, cooling driers 92, valve 93, valve 94, valve 10, valve 11, valve 12, valve 13, valve 14, valve 15.
Direction shown in the arrow is the gas flow direction among Fig. 1, Fig. 2.
Embodiment
Be described further below in conjunction with accompanying drawing with to the utility model.
Natual gas dehydrate unit as shown in Figure 2, comprise left adsorption tower 21 and right adsorption tower 22, the input terminus of left side adsorption tower 21 and the input terminus of right adsorption tower 22 are connected with the output terminal of valve 13 with import separator 1 by valve 12 respectively, the input terminus of import separator 1 is connected with inlet mouth, the output terminal of left side adsorption tower 21 and the output terminal of right adsorption tower 22 interconnect by double take-off device 3, the input terminus of import separator 1 is connected with inlet mouth by compressor 7, the input terminus of left side adsorption tower 21 and the input terminus of right adsorption tower 22 are connected delivery valve 10 and delivery valve 11 respectively, and double take-off device 3 is connected with the output terminal of import separator 1 by valve 16.
Wherein, the effect of double take-off device 3 is that the Sweet natural gas of left adsorption tower 21 outputs is introduced right adsorption tower 22 or the Sweet natural gas of right adsorption tower 22 outputs is introduced left adsorption tower 21.As Fig. 2, double take-off device 3 comprises valve 31 and the valve 33 that polyphone is provided with, valve 32 and valve 34 that polyphone is provided with, and the branch road 37 of the output terminal of the output terminal of connection valve 31 and valve 32; The input terminus of valve 31 all is communicated with the output terminal of left adsorption tower 21 with the input terminus of valve 32, and the output terminal of valve 33 all is communicated with the output terminal of right adsorption tower 22 with the output terminal of valve 34.The drainage direction of this double take-off device 3 is controlled jointly by valve 31, valve 32, valve 33 and valve 34: when the Sweet natural gas of left adsorption tower 21 outputs is introduced right adsorption tower 22, open valve 31 and valve 34, shut-off valve 32 and valve 33, gas enter the output terminal of right adsorption tower 22 through valve 31, branch road 37, valve 34 from the output terminal of left adsorption tower 21; When the Sweet natural gas of right adsorption tower 22 outputs was introduced left adsorption tower 21, shut-off valve 31 and valve 34 were opened valve 32 and valve 33, and gas enters the output terminal of left adsorption tower 21 through valve 33, branch road 37, valve 32 from the output terminal of right adsorption tower 22.The double take-off device 3 of this structure can guarantee that the flow direction of gas in branch road 37 is constant, so that in branch road 37 optional equipment is set.
This natual gas dehydrate unit is in the regenerative process of carrying out sorbent material, wet at first compressed machine 7 superchargings of inlet Sweet natural gas, then after import separator 1 carries out oil removing, water, directly enter left adsorption tower 21 or wherein dehydration regeneration of carrying out sorbent material of right adsorption tower 22 as regeneration gas, the gas of output is introduced the adsorption dewatering that carries out Sweet natural gas in another adsorption tower again by double take-off device 3, and the Sweet natural gas that reaches dew point is directly exported as finished product gas by delivery valve from the input terminus of this adsorption tower; In the spin cycle of Sweet natural gas, enter double take-off device 3 by valve 16 after wet at first compressed machine 7 superchargings of inlet Sweet natural gas, introduce the adsorption dewatering that left adsorption towers 21 or right adsorption tower 22 carry out Sweet natural gas by double take-off device 3, the Sweet natural gas after the dehydration is exported as finished product gas through delivery valve from the input terminus of this adsorption tower.Natual gas dehydrate unit of the present utility model has been cancelled the well heater 4 in the existing natual gas dehydrate unit, after the substitute is the waste heat that utilizes the inlet Sweet natural gas and carrying out supercharging, the gas of import separator 1 output terminal is directly introduced adsorption tower to the sorbent material regeneration of dewatering, thereby greatly reduce equipment energy consumption, play the effect of energy-conserving and environment-protective; Resurgent gases all is recycled to adsorption tower by double take-off device 3 and is carried out processed, realizes that the zero release of resurgent gases does not consume additional energy, and is energy-efficient.
As Fig. 2, in order to improve the dehydrating effect of natural device, polyphone is provided with gas-liquid separator 35 on the resurgent gases transport pipe of described double take-off device 3.Gas-liquid separator 35 can remove the most of moisture of carrying in the Sweet natural gas, carries out adsorption dewatering thereby the resurgent gases of adsorption tower output is carried out introducing adsorption tower again after the pre-processed, improves the dehydrating effect of natural device, prolongs the duration of service of sorbent material.
As Fig. 2, the input terminus of described gas-liquid separator 35 polyphone is provided with water cooler 36.Like this, enter gas-liquid separator 35 again after the resurgent gases of exporting from adsorption tower is lowered the temperature by water cooler 36 earlier and carry out pre-processed.Water cooler 36 can adopt air cooling or watercooler, in order to improve cooling performance, preferably adopts watercooler.
It should be noted that water cooler 36 and gas-liquid separator 35 are connected on the branch road 37 of double take-off device 3 successively, the flow direction of gas in water cooler 36 and gas-liquid separator 35 is constant all the time.
As Fig. 2, the input terminus of described water cooler 36 is connected with the output terminal of import separator 1 by valve 16.Like this, in the spin cycle of Sweet natural gas, enter by valve 16 after wet at first compressed machine 7 superchargings of inlet Sweet natural gas and enter gas-liquid separator 35 after water cooler 36 is lowered the temperature again and carry out pre-processed, and then introduce adsorption tower and carry out adsorption dewatering, improve the dehydrating effect of natural device.
As Fig. 2, for the adsorption tower after regeneration is finished cools, the output terminal of described gas-liquid separator 35 is connected with right adsorption tower 22 with left adsorption tower 21 respectively by cooling system 9.After 22 regeneration of left adsorption tower 21 or right adsorption tower finish, enter by valve 16 after wet at first compressed machine 7 superchargings of inlet Sweet natural gas and enter gas-liquid separator 35 after water cooler 36 is lowered the temperature again and carry out pre-processed, be divided into two portions from the gas of gas-liquid separator 35 outputs, most Sweet natural gas enters left adsorption tower 21 by valve 32 or valve 34 or right adsorption tower 22 is wherein exported as finished product gas by delivery valve 10 or delivery valve 11 back of dewatering, and another seat that the small portion Sweet natural gas enters in left adsorption tower 21 or the right adsorption tower 22 after lowering the temperature by cooling system 9 cools off it, and finally from this adsorption tower output.
A kind of concrete structure as cooling system 9, this cooling system 9 comprises cooling driers 92, the input terminus of cooling driers 92 is connected with the output terminal of gas-liquid separator 6 by valve 91, and the output terminal of cooling driers 92 is connected with right adsorption tower 22 with left adsorption tower 21 with valve 94 by valve 93 respectively.Cooling driers 92 can remove water for cooling to Sweet natural gas preferably.
Wherein, the output terminal of described cooling system 9 preferably is connected with the input terminus of left adsorption tower 21 and the input terminus of right adsorption tower 22 respectively; And the output terminal of the output terminal of left adsorption tower 21 and right adsorption tower 22 is connected delivery valve 14 and delivery valve 15 respectively.Like this, Sweet natural gas enters the adsorption tower by the back input terminus from left adsorption tower 21 or right adsorption tower 22 of cooling system 9 coolings it is cooled off, finally from delivery valve 14 or delivery valve 15 outputs.Certainly, the output terminal of described cooling system 9 also can be connected with the output terminal of left adsorption tower 21 and the output terminal of right adsorption tower 22 respectively, and like this, Sweet natural gas is finally from delivery valve 10 or delivery valve 11 outputs.
Claims (7)
1. natual gas dehydrate unit, comprise left adsorption tower (21) and right adsorption tower (22), the input terminus of left side adsorption tower (21) and the input terminus of right adsorption tower (22) are connected with the output terminal of valve (13) with import separator (1) by valve (12) respectively, the input terminus of import separator (1) is connected with inlet mouth, the output terminal of left side adsorption tower (21) and the output terminal of right adsorption tower (22) interconnect by double take-off device (3), it is characterized in that: the input terminus of described import separator (1) is connected with inlet mouth by compressor (7), the input terminus of the input terminus of described left adsorption tower (21) and right adsorption tower (22) is connected delivery valve (10) and delivery valve (11) respectively, and described double take-off device (3) is connected with the output terminal of import separator (1) by valve (16).
2. natual gas dehydrate unit as claimed in claim 1 is characterized in that: polyphone is provided with gas-liquid separator (35) on the resurgent gases transport pipe of described double take-off device (3).
3. natual gas dehydrate unit as claimed in claim 2 is characterized in that: the input terminus polyphone of described gas-liquid separator (35) is provided with water cooler (36).
4. natual gas dehydrate unit as claimed in claim 3 is characterized in that: the input terminus of described water cooler (36) is connected with the output terminal of import separator (1) by valve (16).
5. natual gas dehydrate unit as claimed in claim 2 is characterized in that: the output terminal of described gas-liquid separator (35) is connected with right adsorption tower (22) with left adsorption tower (21) respectively by cooling system (9).
6. natual gas dehydrate unit as claimed in claim 6, it is characterized in that: described cooling system (9) comprises cooling driers (92), the input terminus of cooling driers (92) is connected with the output terminal of gas-liquid separator (6) by valve (91), and the output terminal of cooling driers (92) is connected with right adsorption tower (22) with left adsorption tower (21) with valve (94) by valve (93) respectively.
7. as claim 5 or 6 described natual gas dehydrate units, it is characterized in that: the output terminal of described cooling system (9) is connected with the input terminus of left adsorption tower (21) and the input terminus of right adsorption tower (22) respectively; The output terminal of left side adsorption tower (21) and the output terminal of right adsorption tower (22) are connected delivery valve (14) and delivery valve (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203023838U CN201276550Y (en) | 2008-10-10 | 2008-10-10 | Dewatering equipment for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203023838U CN201276550Y (en) | 2008-10-10 | 2008-10-10 | Dewatering equipment for natural gas |
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| Publication Number | Publication Date |
|---|---|
| CN201276550Y true CN201276550Y (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008203023838U Expired - Fee Related CN201276550Y (en) | 2008-10-10 | 2008-10-10 | Dewatering equipment for natural gas |
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| CN (1) | CN201276550Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112292189A (en) * | 2018-06-20 | 2021-01-29 | 环球油品有限责任公司 | Temperature swing adsorption process for heavy hydrocarbon removal |
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2008
- 2008-10-10 CN CNU2008203023838U patent/CN201276550Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112292189A (en) * | 2018-06-20 | 2021-01-29 | 环球油品有限责任公司 | Temperature swing adsorption process for heavy hydrocarbon removal |
| CN112292189B (en) * | 2018-06-20 | 2022-08-26 | 环球油品有限责任公司 | Temperature swing adsorption process for heavy hydrocarbon removal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20151010 |
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| EXPY | Termination of patent right or utility model |