CN2236070Y - Dewatering device for liquified petroleum gas - Google Patents
Dewatering device for liquified petroleum gas Download PDFInfo
- Publication number
- CN2236070Y CN2236070Y CN 94231316 CN94231316U CN2236070Y CN 2236070 Y CN2236070 Y CN 2236070Y CN 94231316 CN94231316 CN 94231316 CN 94231316 U CN94231316 U CN 94231316U CN 2236070 Y CN2236070 Y CN 2236070Y
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- CN
- China
- Prior art keywords
- petroleum gas
- liquefied petroleum
- lpg
- water separator
- outlet
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a dewatering device liquefied petroleum gas. One side of a cylindrical shell is provided with an inlet. The upper end of the cylindrical shell is provided with a flange and a blind flange. The lower end of the cylindrical shell is provided with a sealing head whose inner chamber is hemispherical. A movable floating ball whose specific weight is smaller than the specific weight of water and greater than the specific weight of liquefied petroleum gas is arranged in the shell. The sealing head is provided with an outlet, a ring-shaped sealing ball seat provided with a lug boss and a press cover provided with holes. The floating ball moves up and down following the change of buoyancy, realizing operations of opening and closing. The dewatering device can realize automatic dewatering of the liquefied petroleum gas, ensure the liquefied petroleum gas not to be exhausted, enable the dewatering operation to be more safe and effectively avoid mistakes caused by manual operations.
Description
The utility model relates to the water separator of a kind of water separator, particularly liquefied petroleum gas (LPG).
In the storage tank of liquefied petroleum gas (LPG), usually contain certain moisture, because the proportion of water is more great than the ratio of liquefied petroleum gas (LPG), and the two is not miscible, and water will fall to the bottom of this storage tank, and requirement always will emit on this a certain amount of moisture technology.Existing dehydration technique is the valve that is installed in tank bottom with, and when storage tank need dewater, operator the scene of arriving opened this manually-operated gate and dewater, and dehydration ends, and operator shut this valve again, finish dewatering operation.Though this operation is a kind of shirtsleeve operation, but the pressure of storage tank of liquefied petroleum gas (LPG) is higher, and liquefied petroleum gas (LPG) and water, naked eyes are difficult to differentiate, and liquefied petroleum gas (LPG) is inflammable, explosive toxic gas, do not allow to leak out, manual control switch's manually-operated gate easily liquefied petroleum gas (LPG) discharges to liquefied petroleum gas (LPG) storage tank dehydration, dangerous, if and this operation time is longer, operator forget or owing to other reason is not closed this valve, to have a large amount of liquefied petroleum gas leakages and come out, this has not only lost material, befouling environment, even more serious is that it causes very big threat to safety in production.This operation keeps away unavoidable artificial error.In addition, need operator's monitoring at the scene always in whole dehydration, operator can only give a storage tank dehydration at one time, and efficiency is low.
The purpose of this utility model just provides a kind of safe and reliable automatic liquefied petroleum gas (LPG) water separator, and guaranteeing the time only to eject in dehydration is water and liquefied petroleum gas (LPG) can not be discharged from.
For achieving the above object, the utility model is to have an inlet in cylindrical shell one side, is used for connecting with the pipeline section that is connected at the bottom of the liquefied petroleum gas storage tank.The upper end of cylindrical shell is flange and blind flange, and its lower end is that an inner chamber is hemispheric end socket.A movably ball float is housed in the housing.At inner chamber is to have an outlet that is in communication with the outside on the hemispheric end socket, and ring packing ball seat and the gland with holes that has boss is installed in the outlet port, and the proportion of ball float is greater than the proportion of the liquefied petroleum gas (LPG) proportion less than water.
Be in the water separator of closed condition, when water when housing one side entrance enters in the dehydrator shell, because the proportion of water is greater than the proportion of liquefied petroleum, the buoyancy that ball float is subjected to will increase, during the vertical stress component of the suction that produces owing to inside and outside differential pressure greater than the gravity of ball float itself and sealed mouth place when buoyancy, and the ball float come-up, outlet is opened, finish automatic unlatching, water just discharges from outlet under the effect of pressure, realizes dehydration.When dehydration at the end, the water level in the dehydrator shell descends gradually, ball float also descends thereupon, just by the last sealing surface of ring packing ball seat, dehydration stops the outer surface of ball float, finishes automatic closing function.If enter a certain amount of water again, this water separator repeat above-mentioned working procedure.
Water separator of the present utility model, owing to adopted the ball float of proportion between the proportion of the proportion of water and liquefied petroleum gas (LPG) to come switch, the operation of realization automatic dehydration, distinguish water or liquefied petroleum gas (LPG) by ball float itself, this has not only realized automatic operation, and increased by one safer measure to dewatering operation, and avoid error of manual operation to cause liquid petroleum gas to discharge effectively to the external world, do not need operator's continuous monitoring at the scene simultaneously.Alleviated this operations labor intensity, saved manpower, raised labour efficiency.
Below in conjunction with drawings and Examples the utility model is described in further detail:
Fig. 1 is an embodiment's of the utility model liquefied petroleum gas (LPG) water separator a sectional view.
Fig. 2 is the utility model working principle schematic representation;
As seen from Figure 1, this liquefied petroleum gas (LPG) water separator is to have an inlet 1 in cylindrical shell 4 one sides, and the inlet 1 the most handy short tube and a flange are formed, and is convenient to connect with the dehydration pipeline of liquefied petroleum gas storage tank.The lower end of cylindrical shell 4 is that an inner chamber is hemispheric end socket 5, and circular cylindrical shell 4 upper ends are made up of flange 12 and blind flange 6.A movably ball float 3 is housed in the housing.Have an outlet 2 on housing 4 lower end hemispherical heads 5, the center line of outlet 2 is by the centre of sphere of hemispherical head.The ring packing ball seat 8 of band boss and gland 9 with holes are housed in outlet 2.The ring packing ball seat 8 of band boss is to use rubber system.Gland 9 is threaded parts that are used for fixing ring packing ball seat 8, and the perforate of gland 9 is for water can be discharged in housing.Mass 11 is housed in ball float 3, is used to adjust the proportion of ball float, this mass 11 preferably is fixed on the inwall of ball float 3.The proportion ρ of ball float 3 is less than the proportion of the water proportion greater than liquefied petroleum gas (LPG), and best scope is: the wall thickness of 0.5/cm＜0.8g/cm ball float 3 is 1.5mm～3mm, the steel matter of preferably need not becoming rusty, particularly with the 1Cr18Ni9Ti stainless steel for well; The angle α of the center line of outlet 2 and the center line of cylindrical shell 4 is between 50 °～70 °; On hemispherical head 5, be preferably in the housing center line place of passing and open a pollutant exhaust hole 7, and is furnished with an easy-to-dismount bolt, when existing, this bolt can be pulled down dirt, screw on after discharging dirt, on the blind flange 6 of housing 4 upper ends, have an exhaust port 10, and be furnished with an easy-to-dismount bolt, this exhaust port 10 is when being used for emitting this water separator and using for the first time, the air that has in the housing; On inlet 1 filter screen 18 is housed, the area of each mesh is less than the cross-section area of ring packing ball seat 8 hollow spaces of band boss; Outside at outlet 2 places also is equipped with its internal diameter that an end is made of flange 14 and blind flange 15 short tube 13 greater than gland 9 external diameters, be convenient to cushion the water that outlet 2 gives off at a high speed, connect a short tube 16 in short tube 13 1 sides, the other end of short tube 16 is connected with flange 17, the water that outlet 2 is discharged discharges to flange 17 through short tube 13 short tubes 16, and the setting of flange 17 is the pipelines that water caused other places for the ease of connecting.
Below in conjunction with Fig. 2 working procedure principle of the present utility model is described.
Fig. 2 has provided the schematic representation that this water separator is in closed condition.This moment, dehydrator shell 4 internal upper parts were full of liquefied petroleum gas (LPG) 19, and also there is a certain amount of water 20 bottom, and it is in order not allow liquefied petroleum gas (LPG) ooze out that a spot of water is left in the bottom, and water 20 plays the water seal effect.The outer surface of ball float 3 is close to the sealed mouth of outlet 2, this moment, this water separator was in closed condition, when inlet 1 place has water to enter in the water separator, because the proportion of water is bigger than liquefied petroleum gas (LPG), water must fall to the bottom of water separator, the buoyancy that the buoyancy that is subjected to of ball float 3 will be subjected to when being in closed condition this moment is big, increase with rate of water added, the buoyancy of ball float 3 also increases, like this ball float 3 will overcome itself gravity and outlet 2 suction and on move, the outer surface of ball float 3 has just left and has exported 2 sealing surface, thereby water separator outlet 2 is opened, water 20 just discharges in housing, realizes automatic dehydration.Drawdown in the housing, ball float 3 also will move down, when the outer surface of ball float 2 is adjacent to the sealing surface of the ring packing ball seat of band boss once more, water separator is in closed condition again, dehydration stops, and has water to enter water separator once more, and this water separator will repeat above-mentioned working procedure automatically.
Claims (9)
1, a kind of liquefied petroleum gas (LPG) water separator, this water separator is to have an inlet [1] on cylindrical shell [4], the lower end of cylindrical shell [4] is that an inner chamber is hemispheric end socket [5], circular cylindrical shell [4] upper end is made up of flange [12] and blind flange [6], a movably ball float [3] is housed in the housing [4], on hemispherical head [5], have an outlet [2], it is characterized in that the centre of sphere of the center line of outlet [2], the ring packing ball seat [8] of band boss and gland [9] with holes are housed in outlet [2] by hemispherical head.
2, liquefied petroleum gas (LPG) water separator as claimed in claim 1, it is characterized in that above-mentioned ball float [3] proportion greater than the proportion of liquefied petroleum gas (LPG) less than the proportion of water, best scope is: 0.5g/cm-0.8g/cm.
3, liquefied petroleum gas (LPG) water separator as claimed in claim 2 is characterized in that the ring packing ball seat [8] with boss is the Sealing made from rubber, and the most handy fluorine rubber is made.
4, liquefied petroleum gas (LPG) water separator as claimed in claim 2, the wall thickness that it is characterized in that described ball float [3] is 1.5mm～3mm, material is a stainless steel, preferably the 1Cr18Ni9Ti stainless steel.
5, liquefied petroleum gas (LPG) water separator as claimed in claim 1, the angle (α) of center line that it is characterized in that outlet center line of [2] and cylindrical shell [4] is between 50 °～70 °.
6, liquefied petroleum gas (LPG) water separator as claimed in claim 1 is characterized in that inlet [1] is equipped with filter screen [18], and its single mesh area is preferably less than the cross-section area of ring packing ball seat [8] hollow space of band boss.
7, liquefied petroleum gas (LPG) water separator as claimed in claim 1 is characterized in that on hemispherical head [5], is preferably in the housing center line place of passing and opens a pollutant exhaust hole [7], and be furnished with an easy-to-dismount bolt.
8, liquefied petroleum water separator as claimed in claim 1 is characterized in that having an exhaust port [10] and being furnished with an easy-to-dismount bolt on housing [4] upper flanges lid [6].
9, liquefied petroleum gas (LPG) water separator as claimed in claim 1, it is characterized in that one end also being housed by its internal diameter of flange [14] and blind flange [15] formation short tube [13] greater than gland [9] external diameter in the outside located of outlet [2], connect a short tube [16] in short tube [13] one sides, the other end of short tube [16] is connected with flange [17].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231316 CN2236070Y (en) | 1994-11-21 | 1994-11-21 | Dewatering device for liquified petroleum gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94231316 CN2236070Y (en) | 1994-11-21 | 1994-11-21 | Dewatering device for liquified petroleum gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2236070Y true CN2236070Y (en) | 1996-09-25 |
Family
ID=33843184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94231316 Expired - Fee Related CN2236070Y (en) | 1994-11-21 | 1994-11-21 | Dewatering device for liquified petroleum gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2236070Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369275A (en) * | 2016-11-25 | 2017-02-01 | 广州天禾自动化实业有限公司 | Safety valve for preventing dehydration leakage of spherical tank |
| CN110499184A (en) * | 2018-05-18 | 2019-11-26 | 中石化广州工程有限公司 | A kind of LPG tank dehydration device |
-
1994
- 1994-11-21 CN CN 94231316 patent/CN2236070Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369275A (en) * | 2016-11-25 | 2017-02-01 | 广州天禾自动化实业有限公司 | Safety valve for preventing dehydration leakage of spherical tank |
| CN106369275B (en) * | 2016-11-25 | 2019-07-09 | 广州天禾自动化实业有限公司 | Anti- spherical tank is dehydrated leakage safety valve |
| CN110499184A (en) * | 2018-05-18 | 2019-11-26 | 中石化广州工程有限公司 | A kind of LPG tank dehydration device |
| CN110499184B (en) * | 2018-05-18 | 2021-07-06 | 中石化广州工程有限公司 | Liquefied hydrocarbon tank dewatering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |