CN203484026U - Graded water-seal device for waste gases - Google Patents
Graded water-seal device for waste gases Download PDFInfo
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- CN203484026U CN203484026U CN201320514572.2U CN201320514572U CN203484026U CN 203484026 U CN203484026 U CN 203484026U CN 201320514572 U CN201320514572 U CN 201320514572U CN 203484026 U CN203484026 U CN 203484026U
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Abstract
The utility model discloses a graded water-seal device for waste gases. The graded water-seal device comprises a combustible gas inlet (1) and a water-seal tank (2), wherein the water-seal tank (2) comprises a graded water-seal chamber which is communicated with the combustible gas inlet (1); a plurality of combustible gas inlet pipelines communicated with the combustible gas inlet (1) are inserted in a water seal of the graded water-seal chamber at different depths; an oval or circular steel plate with holes is sleeved outside a combustible gas outlet (3); the steel plate is fixed on the inlet pipelines and vertical to the inlet pipelines; and the outlet of the combustible gas outlet is further sleeved with a combustible gas outlet screen (4); graded combustible gas outlets (11, 12, 13, 14 and 15) are further arranged on the top of the water-seal tank (2); one combustible gas inlet pipeline corresponds to the pipeline connected with one graded combustible gas outlet to form a combustible gas pipeline set; and a combustible gas pipeline set is arranged in each graded water-seal chamber. The graded water-seal device for waste gases disclosed by the utility model can prevent tempering and can ensure safety, so that the combustible gases emitted by the device can be used for different devices.
Description
Technical field
The utility model relates to anti-backfire safety device and the gas classification control device of a kind of petrochemical industry manufacturing enterprise combustion apparatus, and particularly, the utility model relates to a kind of offgas fractionation water seal arrangement.
Background technology
The fuel gas discharging under petrochemical industry manufacturing enterprise process units accident condition, and cannot utilizing of producing in normal productive process but the fuel gas that must discharge, owing to comprising poisonous and harmful element, must be through processing.Most enterprises adopt torch assembly to the processing of burning of above-mentioned fuel gas.Torch assembly as main safety dumping burning measure mainly comprises overhead torch device, ground closed torch assembly, (a large amount of combustible exhaust gas that produce in petrochemical production process adopt the treatment measures of recovery to the open torch assembly in ground conventionally, in the time cannot reclaiming, carry out atmosphere burning disposal, generally divide three kinds of modes: overhead torch burning, the burning of ground closed torch, the open torch in ground burn).For guaranteeing safe operation, flare system need to be considered reliable anti-backfire safety measure, at present, the main water sealed tank that adopts prevents tempering, conventional water seal is filled with the outlet of combustible gas delivery pipe is inserted to certain depth under water seal filling liquid level, combustible gas inserts the pressure of liquid level end higher than its pipeline at manifold pressure, combustible gas is discharged the discharge-channel forming by discharge gas inlet tube, water, exhaust outlet, then enters torch or other burners.When combustible gas is when manifold pressure inserts the pressure of liquid level end lower than its pipeline, water seal pot liquid separates discharge sealing gland in pipeline with delivery pipe outlet, water-seal principle that Here it is.
Chinese utility model patent CN201513901U discloses a kind of water sealed tank, it comprises tank body, is positioned at admission line and venthole on tank body, described admission line inserts under the liquid level of water seal in tank body, described in it, admission line comprises main intubate and branch's intubate, and the caliber of branch's intubate and water seal depth are less than main intubate.Although said apparatus can prevent the tempering of flare system, the unserviceable fuel gas classification producing can not be recycled under process units accident condition in the fuel gas discharging or normal productive process.
Utility model content
The defect of can not classification recycling combustible exhaust gas in order to solve existing water sealed tank, the utility model provides a kind of offgas fractionation water seal arrangement, the combustible gas classification entrance and exit of differing heights is set in its water sealed tank, utilize the difference in height of the different water levels of water seal, combustible exhaust gas is discharged under different pressures, and make the combustible exhaust gas under different pressures enter respectively different disposal device, and energy will normally discharge gas and dump gas is used as altar lamp source of the gas or other heater sources of the gas, effectively utilize combustible exhaust gas, saved the energy.
A kind of offgas fractionation water seal arrangement provided by the utility model, it comprises combustible gas entrance 1, water sealed tank 2, interior the filled water of described water sealed tank 2 is water seal, in its water seal, insert the combustible gas suction line that a plurality of and described combustible gas entrance 1 is connected, the insertion depth of each suction line is different, the port that described combustible gas suction line contacts with water seal is combustible gas outlet 3, the top of described water sealed tank 2 arranges combustible gas classification outlet 11, 12, 13, 14, 15, the corresponding combustible gas classification outlet of a combustible gas suction line institute connecting leg line, form a combustible gas pipeline group, described offgas fractionation water seal arrangement is characterised in that:
Described water sealed tank 2 comprises the classification water tight compartment being connected with described combustible gas entrance 1, one group of combustible gas pipeline group is respectively set in each classification water tight compartment, with it, the increase apart from combustible gas entrance 1 distance raises the entrance height of the combustible gas suction line of each group, also with it, the increase apart from combustible gas entrance 1 distance raises the height of the combustible gas outlet 3 that the combustible gas suction line of each group contacts with water seal, and with it, the increase apart from combustible gas entrance 1 distance reduces the open height that goes out of the combustible gas classification outlet 11,12,13,14,15 of each group.
In offgas fractionation water seal arrangement of the present utility model, each classification water tight compartment is connected with described combustible gas entrance 1 by combustible gas suction line, and under same level, the insertion depth of each suction line is different, and pressure is different.When combustible gas discharges, when pressure is lower, gas is discharged through pipeline 11 from classification water tight compartment E; When combustible gas blowdown presssure raises, combustible gas will be from D through 15 discharges, along with the rising of pressure discharge, combustible gas from C through 14 discharges, when pressure is higher, from B through 13 discharges, the combustible gas of maximum pressure is from A through 12 discharges, and the combustible gas of different pressures is discharged burning according to different pipelines, when combustible gas pressure decreased, because water seal water level height is different, pressure is discharged lower than level pressure the E that is automatically down to discharge pressure minimum.
Described classification water tight compartment is by arranging a plurality of water sealed tank classification dividing plates 6,7,8,9 and form one water seal pot type classification water tight compartment A, B, C, D, E water sealed tank 2 being interior, and described water sealed tank arranges sewage pipe line outward.Described moisture tank classification dividing plate 6,7,8,9 separates water sealed tank, if having combustible gas tempering phenomenon in a classification water tight compartment, can not affect the burner being connected with other classification water tight compartments.In addition, spark arrester valve group 16 is as the conventional anti-backfire equipment of petrochemical industry, by being formed by many tiny, the even or inhomogeneous passage of gas or the solid material of hole, so that flame is divided into many tiny flame flow and is extinguished after entering spark arrester, effectively prevent tempering.
Described classification water tight compartment or formed by a plurality of independently water sealed tanks 2, described a plurality of independent water seal pot type classification water tight compartment A1, B1, C1, D1 are all connected with combustible gas entrance 1, and each independent water seal pot type classification water tight compartment A1, B1, C1, D1 all arrange sewer pipeline 26 outward.
The number of above-mentioned one water seal pot type classification water tight compartment or independent water seal pot type classification water tight compartment is all not less than two.
Described combustible gas exports circle of 3 overcoat or disciform steel plate, this steel plate is fixed on suction line and is vertical with suction line, on this steel plate, offer brokenly porose, this combustible gas exports 3 exits and also overlaps and have combustible gas outlet screen cloth 4, and surge occurs in the time of can preventing combustible gas discharge.Combustible gas outlet screen cloth 4 prevents that the large drop of flammable liquid from discharging with gas, large drop can be become to droplet, is conducive to burning.
Described combustible gas classification outlet 11,12,13,14,15 and altar lamp device and/or heater (as various heating furnaces etc.) be connected.
Described altar lamp device comprises spark arrester valve group 16 and altar lamp source gas line 24, one side of this spark arrester valve group 16 is connected with combustible gas classification outlet 11,12,13,14,15 described at least one, and the opposite side of this spark arrester valve group 16 is connected with this altar lamp source gas line 24.Altar lamp source gas line 24 is connected with altar lamp.
Described altar lamp device also comprises vacuum tank 18 and/or gas inlet 17, described vacuum tank 18 is connected with combustible gas classification outlet 11,12,13,14,15 described at least one with described spark arrester valve group 16, and described gas inlet 17 inserts in described vacuum tank 18 or when not there is not this vacuum tank 18 and inserts apart from combustible gas entrance 1 classification water tight compartment farthest.
Described vacuum tank 18, gas inlet 17, spark arrester valve group 16 energy stable emissions gas, guarantee water sealed tank safety.
In the raw process of petrochemical industry, can produce the waste gas such as high heating value or low-calorie toxic and harmful, as hydrogen sulfide gas, ammonia, stupid, different gas need to be processed through different modes: high heating value hydrocarbon gas is often through reclaiming for other heaters (boiler, heating furnace etc.); The gas such as hydrogen sulfide gas, ammonia often adopts burning disposal, can add a large amount of natural gases to mix burning, with discharging after pyrolytic during processing.The utility model is by different combustible gas classification outlets 11,12,13,14,15, except using exit gas as altar lamp device source of the gas, also can be connected with heater, or send to toxic and harmful and mix burning, the utility model can, according to need to the processing respectively of gas with various, take full advantage of waste gas.
In described water sealed tank 2, in each classification water tight compartment, Y type funnel is set, described Y type funnel is connected with siphon tube connector 5, and each siphon tube connector 5 is connected with the siphon pipe 10 outside water sealed tank.The positive and negative U-shaped pipe of described siphon pipe 10 for being connected.Described Y type funnel, by being connected with siphon pipe 10 with siphon tube connector 5, discharges greasy dirt, prevents that combustible gas from overflowing.
In each classification water tight compartment, filling pipe import 25 is respectively set.
The process that offgas fractionation moisture tank of the present utility model is processed waste gas is as follows:
The combustible exhaust gas that petrochemical plant produces enters water sealed tank by combustible gas entrance 1, water sealed tank comprises a plurality of water tight compartment A, B, C, many little water seals of D, E(), combustible gas enters water seal by the suction line inserting in water, every root entry pipeline inserts degree of depth difference in water, makes torch gas or combustible gas blowdown presssure different.The torch gas that can discharge or combustible gas break through the pressure of water by combustible gas classification outlet 11,12,13,14,15 discharges, and the blowdown presssure of above-mentioned outlet is followed successively by 11,15,14,13,12 from low to high.When torch gas or combustible gas pressure decreased, the level pressure of classification water tight compartment seals classification outlet from high to low successively from A to E.The outlet 11 of the water tight compartment E of the minimum one-level of level pressure is connected with altar lamp, the combustible gas of filling with by classification water seal is assigned to altar lamp as source of the gas, when, calorific value little in normal discharge capacity is low, by controlling the exotic fuels gas (as natural gas) of another access vacuum tank 18, realize the stable emissions of exit gas, then accessed altar lamp or other install with smooth combustion.
Offgas fractionation water seal arrangement provided by the utility model can prevent that tempering from guaranteeing safety, and can be divided into the combustible gas of device discharge the combustible gas discharge of different pressures, the various devices that require for different process.The combustible gas of discharge is as the source of the gas of altar lamp or other heaters, effective recycling device combustible gas, reduce energy waste, reduce carbon dioxide and NO
2discharge, reduce operating cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of overhead torch in prior art.
Fig. 2 is the schematic diagram of closed torch in ground in prior art.
Fig. 3 is the schematic diagram of the open torch in ground in prior art.
Fig. 4 is the schematic diagram of the embodiment 1 of the utility model offgas fractionation water seal arrangement.
Fig. 5 is the schematic diagram of the embodiment 2 of the utility model offgas fractionation water seal arrangement.
Fig. 6 is the schematic diagram of the embodiment 3 of the utility model offgas fractionation water seal arrangement.
Fig. 7 is the schematic diagram of the embodiment 4 of the utility model offgas fractionation water seal arrangement.
Description of reference numerals:
1-combustible gas entrance
2-water sealed tank
The outlet of 3-combustible gas
4-combustible gas outlet screen cloth
5-siphon tube connector
6,7,8,9-water sealed tank classification dividing plate
10-siphon pipe
11,12,13,14,15-combustible gas classification outlet
16-spark arrester valve group
17,19-gas inlet
18-vacuum tank
24-altar lamp source gas line
The import of 25-filling pipe
The outlet of 26-sewage pipe
A, B, C, D, E-one water seal pot type classification water tight compartment
A1, B1, C1, D1-independence water seal pot type classification water tight compartment
the specific embodiment
Below in conjunction with embodiment, further illustrate the utility model.
A kind of offgas fractionation water seal arrangement as shown in Figure 4, it comprises combustible gas entrance 1, water sealed tank 2, in the water seal of described water sealed tank 2, insert combustible gas suction line a plurality of and that described combustible gas entrance 1 is connected, the insertion depth of each suction line is different, the port that described combustible gas suction line contacts with water seal is combustible gas outlet 3, the top of described water sealed tank 2 arranges combustible gas classification outlet 11, 12, 13, 14, 15, the corresponding combustible gas classification outlet of a combustible gas suction line institute connecting leg line, form a combustible gas pipeline group, described water sealed tank 2 comprises the classification water tight compartment being connected with described combustible gas entrance 1, one group of combustible gas pipeline group is respectively set in each classification water tight compartment, with it, the increase apart from combustible gas entrance 1 distance raises the entrance height of the combustible gas suction line of each group, also with it, the increase apart from combustible gas entrance 1 distance raises the height of the combustible gas outlet 3 that the combustible gas suction line of each group contacts with water seal, the combustible gas classification outlet 11 of each group, 12, 13, 14, with it, the increase apart from combustible gas entrance 1 distance reduces by 15 the open height that goes out.
Described classification water tight compartment is by arranging a plurality of water sealed tank classification dividing plates 6,7,8,9 and form one water seal pot type classification water tight compartment A, B, C, D, E water sealed tank 2 being interior, and described water sealed tank arranges sewage pipe line outward.
Described combustible gas exports circle of 3 overcoat or disciform steel plate, and this steel plate is fixed on suction line and is vertical with suction line, offers brokenly porosely on this steel plate, and this combustible gas outlet 3, exit are also overlapped combustible gas outlet screen cloth 4.
Described combustible gas classification outlet 11 is connected with vacuum tank 18, the interior insertion gas inlet 17 of described vacuum tank 18 and spark arrester valve group 16, and this spark arrester valve group 16 is connected with altar lamp source gas line 24.
In described water sealed tank 2, in each one water seal pot type classification water tight compartment A, B, C, D, E, Y type funnel is set, described Y type funnel is connected with siphon tube connector 5, each siphon tube connector 5 is connected with the siphon pipe 10 outside water sealed tank, the positive and negative U-shaped pipe of described siphon pipe 10 for being connected.
In each classification water tight compartment, filling pipe import 25 is respectively set.
In the present embodiment, combustible gas enters water sealed tank by combustible gas entrance 1, by the suction line inserting in water, enters water seal, and every root entry pipeline inserts degree of depth difference in water, makes torch gas or combustible gas blowdown presssure different.The torch gas that can discharge or combustible gas break through the pressure of water by combustible gas classification outlet 11,12,13,14,15 discharges, and the blowdown presssure of above-mentioned outlet is followed successively by 11,15,14,13,12 from low to high.When torch gas or combustible gas pressure decreased, the level pressure of classification water tight compartment seals classification outlet from high to low successively from A to E, preferably by filling pipe import 25, regulate water level, the minimum one-level of pressure is connected with altar lamp, and the part combustible gas normal, dump of filling with by classification water seal is assigned to altar lamp as source of the gas.When, calorific value little in normal discharge capacity is low, by gas inlet 17, to vacuum tank 18 transport gas, to realize the stable emissions of exit gas, then accessed altar lamp smooth combustion.For requiring the stable especially device (as altar lamp) of burning, embodiment 1 is owing to being connected with vacuum tank 18 and gas inlet 17, and it is stable that its pressure more easily keeps.
A kind of offgas fractionation water seal arrangement as shown in Figure 5, it also has a plurality of classification water sealed tank structures in same water sealed tank, be with the structure difference shown in embodiment 1, described combustible gas classification outlet 11 and spark arrester valve group 16, this spark arrester valve group 16 is connected with altar lamp source gas line 24.
A kind of offgas fractionation water seal arrangement as shown in Figure 6, with embodiment 1, also adopts a plurality of classification water sealed tank structures in same water sealed tank, and difference is that the present embodiment only arranges a classification dividing plate, forms two classification grading rooms in water sealed tank.Embodiment 3 is mainly suitable for overhead torch or single heating device.
A kind of offgas fractionation water seal arrangement as shown in Figure 4, it comprises combustible gas entrance 1, a plurality of independent water seal pot type classification water tight compartment A1, B1, C1, D1, it is all connected with combustible gas entrance 1, and each independent water seal pot type classification water tight compartment A1, B1, C1, D1 all arrange sewer pipeline 26 outward.In the water seal of each water sealed tank, insert combustible gas suction line a plurality of and that described combustible gas entrance 1 is connected, the insertion depth of each suction line is different, the port that each combustible gas suction line contacts with water seal is combustible gas outlet, the top of each water sealed tank arranges combustible gas classification outlet, the corresponding combustible gas classification outlet of a combustible gas suction line institute connecting leg line, form a combustible gas pipeline group, each independent water seal pot type classification water tight compartment A1, B1, C1, one group of combustible gas pipeline group is respectively set in D1, with it, the increase apart from combustible gas entrance 1 distance raises the entrance height of the combustible gas suction line of each group, also with it, the increase apart from combustible gas entrance 1 distance raises the height of the combustible gas outlet that the combustible gas suction line of each group contacts with water seal, with it, the increase apart from combustible gas entrance 1 distance reduces the height of the combustible gas classification outlet of each group.
Circle of described combustible gas outlet jacket or disciform steel plate, this steel plate is fixed on suction line and is vertical with suction line, offers brokenly porosely on this steel plate, and the exit of this outlet is also overlapped combustible gas outlet screen cloth.In the minimum one-level of described combustible gas classification outlet pressure (apart from combustible gas entrance classification water tight compartment farthest), access gas inlet and be connected with spark arrester valve group, this spark arrester valve group is connected with altar lamp source gas line, and other classification outlets can separately be connected with burner.Gas inlet co-controlling gas pressure is set, is convenient to altar lamp or burner is stable, more can effectively utilize waste gas.
In each independent water seal pot type classification water tight compartment A1, B1, C1, D1, Y type funnel is set, by siphon tube connector 5, is connected with the siphon pipe 10 outside water sealed tank, the positive and negative U-shaped pipe of described siphon pipe 10 for being connected.
In each classification water tight compartment, filling pipe import 25 is respectively set.
In the present embodiment, combustible gas enters water sealed tank by combustible gas entrance 1, by the suction line inserting in water, enter water seal, in each independent water seal pot type classification water tight compartment, every root entry pipeline inserts degree of depth difference in water, makes torch gas or combustible gas blowdown presssure different.When torch gas or combustible gas pressure decreased, the level pressure of independent water seal pot type classification water tight compartment seals classification outlet.The minimum one-level of level pressure is connected with altar lamp, and combustible gas is assigned to altar lamp as source of the gas.
The principle of embodiment 4 is identical with embodiment 2 with embodiment 1, and it is mainly suitable for ground flare, the open torch in ground or connects a plurality of heating flame devices simultaneously.
Claims (10)
1. an offgas fractionation water seal arrangement, it comprises combustible gas entrance (1), water sealed tank (2), in the water seal of described water sealed tank (2), insert combustible gas suction line a plurality of and that described combustible gas entrance (1) is connected, the insertion depth of each suction line is different, the port that described combustible gas suction line contacts with water seal is combustible gas outlet (3), the top of described water sealed tank (2) arranges combustible gas classification outlet (11, 12, 13, 14, 15), the corresponding combustible gas classification outlet of a combustible gas suction line institute connecting leg line, form a combustible gas pipeline group, described offgas fractionation water seal arrangement is characterised in that:
Described water sealed tank (2) comprises the classification water tight compartment being connected with described combustible gas entrance (1), one group of combustible gas pipeline group is respectively set in each classification water tight compartment, with it, the increase apart from combustible gas entrance (1) distance raises the entrance height of the combustible gas suction line of each group, also with it, the increase apart from combustible gas entrance (1) distance raises the height of the combustible gas outlet (3) that the combustible gas suction line of each group contacts with water seal, the combustible gas classification outlet (11 of each group, 12, 13, 14, 15) with it, the increase apart from combustible gas entrance (1) distance reduces the open height that goes out.
2. a kind of offgas fractionation water seal arrangement according to claim 1, is characterized in that:
Described classification water tight compartment forms one water seal pot type classification water tight compartment (A, B, C, D, E) by a plurality of water sealed tank classification dividing plates (6,7,8,9) are set in a water sealed tank (2), and described water sealed tank arranges sewage pipe line outward.
3. a kind of offgas fractionation water seal arrangement according to claim 1, is characterized in that:
Described classification water tight compartment is comprised of a plurality of independently water sealed tanks, form a plurality of independent water seal pot type classification water tight compartments (A1, B1, C1, D1), it is all connected with combustible gas entrance (1), the outer sewer pipeline (26) that all arranges of each independent water seal pot type classification water tight compartment (A1, B1, C1, D1).
4. according to a kind of offgas fractionation water seal arrangement described in claim 2 or 3 any one, it is characterized in that:
The number of described classification water tight compartment is not less than two.
5. according to a kind of offgas fractionation water seal arrangement described in claim 2 or 3 any one, it is characterized in that:
Described combustible gas outlet circle of (3) overcoat or disciform steel plate, this steel plate is fixed on suction line and is vertical with suction line, on this steel plate, offer brokenly porosely, this combustible gas outlet (3) exit is also overlapped combustible gas outlet screen cloth (4).
6. according to a kind of offgas fractionation water seal arrangement described in claim 2 or 3 any one, it is characterized in that:
Described combustible gas classification outlet (11,12,13,14,15) is connected with altar lamp device and/or heater.
7. a kind of offgas fractionation water seal arrangement according to claim 6, is characterized in that:
Described altar lamp device comprises spark arrester valve group (16) and altar lamp source gas line (24), one side of this spark arrester valve group (16) is connected with combustible gas classification outlet (11,12,13,14,15) described at least one, and the opposite side of this spark arrester valve group (16) is connected with this altar lamp source gas line (24).
8. a kind of offgas fractionation water seal arrangement according to claim 7, is characterized in that:
Described altar lamp device also comprises vacuum tank (18) and/or gas inlet (17), described vacuum tank (18) is connected with combustible gas classification outlet (11,12,13,14,15) described at least one with described spark arrester valve group (16), and described gas inlet (17) inserts in described vacuum tank (18) or when not there is not this vacuum tank (18) and inserts apart from combustible gas entrance (1) classification water tight compartment farthest.
9. according to a kind of offgas fractionation water seal arrangement described in claim 2 or 3 any one, it is characterized in that:
In described water sealed tank (2), in each classification water tight compartment, Y type funnel is set, described Y type funnel is connected with siphon tube connector (5), and each siphon tube connector (5) is connected with the siphon pipe (10) outside water sealed tank;
The positive and negative U-shaped pipe of described siphon pipe (10) for being connected.
10. a kind of offgas fractionation water seal arrangement according to claim 1, is characterized in that:
Filling pipe import (25) is respectively set in each classification water tight compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514572.2U CN203484026U (en) | 2013-08-22 | 2013-08-22 | Graded water-seal device for waste gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514572.2U CN203484026U (en) | 2013-08-22 | 2013-08-22 | Graded water-seal device for waste gases |
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| CN203484026U true CN203484026U (en) | 2014-03-19 |
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| CN201320514572.2U Expired - Lifetime CN203484026U (en) | 2013-08-22 | 2013-08-22 | Graded water-seal device for waste gases |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104415637A (en) * | 2013-08-22 | 2015-03-18 | 吴晓阳 | Waste gas grading water seal apparatus |
| CN104986824A (en) * | 2015-07-13 | 2015-10-21 | 广州文冲船厂有限责任公司 | Gravity-type ship bilge water pre-treatment device |
| CN108339213A (en) * | 2018-02-02 | 2018-07-31 | 中石化广州工程有限公司 | A kind of collection device and method of oil product storage tank volatile organic matter |
-
2013
- 2013-08-22 CN CN201320514572.2U patent/CN203484026U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104415637A (en) * | 2013-08-22 | 2015-03-18 | 吴晓阳 | Waste gas grading water seal apparatus |
| CN104415637B (en) * | 2013-08-22 | 2016-08-10 | 吴晓阳 | Offgas fractionation water seal arrangement |
| CN104986824A (en) * | 2015-07-13 | 2015-10-21 | 广州文冲船厂有限责任公司 | Gravity-type ship bilge water pre-treatment device |
| CN108339213A (en) * | 2018-02-02 | 2018-07-31 | 中石化广州工程有限公司 | A kind of collection device and method of oil product storage tank volatile organic matter |
| CN108339213B (en) * | 2018-02-02 | 2020-05-19 | 中石化广州工程有限公司 | Device and method for collecting volatile organic compounds of oil product storage tank |
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Effective date of registration: 20190618 Address after: 101399 No. 756, 7th floor, No. 5 Building, 55 Shunren Road, Renhe Town, Shunyi District, Beijing Patentee after: Beijing Yumao Fuyuan Technology Co.,Ltd. Address before: 101300 Shiyuan District, Shunyi District, Beijing Patentee before: Wu Xiaoyang |
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Granted publication date: 20140319 |
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