CN105114667A - Pipeline compound low pressure drop seal water tank - Google Patents
Pipeline compound low pressure drop seal water tank Download PDFInfo
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- CN105114667A CN105114667A CN201510372387.8A CN201510372387A CN105114667A CN 105114667 A CN105114667 A CN 105114667A CN 201510372387 A CN201510372387 A CN 201510372387A CN 105114667 A CN105114667 A CN 105114667A
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- tank body
- circle tube
- air outlet
- air inlet
- pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
- F16K13/08—Arrangements for cutting-off not used
- F16K13/10—Arrangements for cutting-off not used by means of liquid or granular medium
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A pipeline compound low pressure drop seal water tank comprises a cylinder tank having a main air inlet and a plurality of auxiliary air inlets, a main air outlet and a plurality of auxiliary air outlets, and a water inlet/outlet and an overflow mouth; the main air inlet enters the cylinder tank and is connected with an inner barrel; two ends of the auxiliary air inlet are respectively connected with a pipeline, on which the main air inlet is located, and the cylinder tank; the inner barrel and the cylinder tank are overlapped in central axis; the water inlet/outlet is arranged on the bottom of the cylinder tank; the overflow mouth is arranged below the main air outlet; tow ends of the auxiliary air outlet are respectively connected with the cylinder tank and a pipeline on which the main air outlet is located. The seal water tank designs a plurality of inlets and outlets, so gas phase flow is smooth and pressure loss is small; the seal water tank pressure drop is smaller than 100Pa, and equals to about 1/10-1/20 of that of a conventional seal water tank, so energy saving effect is obvious; the pipeline compound low pressure drop seal water tank is tight in sealing, can suit for different gas phase mediums, is small in size, low in manufacture transport cost, small in land occupation, and good in trafficability.
Description
Technical field
The invention belongs to the gas phase media water-sealed tank technical field of petrochemical industry low pressure loss, relate generally to the compound low pressure loss water sealed tank of a kind of pipeline.
Background technique
At present, when gas phase media large discharge, large runner (pipe diameter > 2m) are carried in petrochemical industry fume pipe system, following pipeline is usually taked to cut off technological method: 1, large-scale stop valve.But large-scale stop valve exists and manufactures and designs the technical problems such as difficulty, high temperature deformation bite be not easy to operate, the domestic Related product that not yet occurs, needs import, thus expensive; 2, large-scale regulating butterfly valve.There is expensive, poorly sealed, the problems such as yielding leakage of being heated in major diameter butterfly valve, so only apply in the occasion allowing gas phase media to leak on a small quantity or when cutting off process as emergency episode; If the occasion tighter to seal request, all need the cut-out measure being aided with other good seal; 3, traditional water sealed tank.Water sealed tank is cut-out means comparatively conventional at present, there is easy manufacture, cost is low, good seal, the advantage such as not leak, but traditional water sealed tank must by large diameter low-pressure vapor phase pipeline 90 ° of intercross arrangement, and make gas phase media when carrying normal through it, carry out enlarging deceleration, dilatation, 180 ° turn to, the processes such as reducing acceleration, cause gas phase media normal through pressure loss during water sealed tank large (calculating and measured result about pressure drop increase 5-8KPa), thus directly have influence on transmitting power input or the energy regenerating output of gas phase media, add energy ezpenditure.In order to reduce pressure drop, it is very large that the diameter (volume) of water sealed tank often designs by architect, with this reduce flow through water sealed tank flue gas mean velocity to reduce pressure drop, this directly causes again device fabrication cost of transportation significantly to rise.The floor space of large diameter water sealed tank own is large simultaneously, uneconomical.The water sealed tank of development of new has realistic meaning for this reason.
In view of this, the present inventor is based on being engaged in the practical experience and professional knowledge that this type of product specification manufacture enriches for many years, and coordinate the utilization of scientific principle, actively studied, to founding the compound low pressure loss water sealed tank of a kind of novel pipeline, traditional water sealed tank can be improved, make it have more practicability.Through constantly research, design, and through repeatedly having a fling at sample and after improving, finally creating the present invention had practical value.
Summary of the invention
The object of the invention is to, overcome the defect that traditional water sealed tank exists, and propose the compound low pressure loss water sealed tank of a kind of pipeline, water sealed tank sealing more tightly, on more reliable basis, reduce water sealed tank and import and export the overall pressure drop of pipeline, reduce operating cost.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the compound low pressure loss water sealed tank of a kind of pipeline that the present invention proposes, there is a circle tube tank body, described circle tube tank body has a primary air inlet and multiple extra-air inlet, a main air outlet and multiple secondary air outlet, intake-outlet and flow-off; This primary air inlet connects inner core after entering circle tube tank body, and these extra-air inlet two ends connect described primary air inlet place pipeline and circle tube tank body respectively; The central axis of described inner core and the central axes of circle tube tank body; This intake-outlet is arranged on bottom circle tube tank body; This flow-off is arranged on below main air outlet; These two ends, secondary air outlet connect described circle tube tank body and place, main air outlet pipeline respectively.
The object of the invention to solve the technical problems also adopts following technical measures to realize further.
The compound low pressure loss water sealed tank of aforesaid pipeline, the quantity of described extra-air inlet is M, and 0≤M≤5.
The compound low pressure loss water sealed tank of aforesaid pipeline, the quantity of described secondary air outlet is N number of, and 0≤N≤5.
The compound low pressure loss water sealed tank of aforesaid pipeline, described primary air inlet is placed in the top of circle tube tank body; Described main air outlet is placed in the sidepiece of circle tube tank body, and the quantity of described secondary air outlet is 2, is also placed in the sidepiece of circle tube tank body.
The compound low pressure loss water sealed tank of aforesaid pipeline, described primary air inlet is placed in the sidepiece of circle tube tank body, and the quantity of described extra-air inlet is 1, is also placed in the sidepiece of circle tube tank body; Described main air outlet is placed in the other side of circle tube tank body, and the quantity of described secondary air outlet is 2, and wherein 1 secondary air outlet is placed in the other side of circle tube tank body, and other 1 secondary air outlet is placed in the top of circle tube tank body.
The compound low pressure loss water sealed tank of aforesaid pipeline, described primary air inlet is placed in the sidepiece of circle tube tank body, and the quantity of described extra-air inlet is 1, is also placed in the sidepiece of circle tube tank body; Described main air outlet is placed in the top of circle tube tank body, and the quantity of described secondary air outlet is 3, is placed in the other side of circle tube tank body.
By technique scheme, a kind of pipeline compound low pressure loss water sealed tank that the present invention proposes has following beneficial effect:
1, pressure drop is little, and operating cost is low.The present invention breaches the structure of traditional water sealed tank, its multiple import and export design make gas phase flow more smooth and easy, the pressure loss is little, reduces operating cost.Through numerical calculation and blowing experiment, water sealed tank pressure drop is less than 100Pa, is about 1/10 ~ 1/20 of traditional water sealed tank, and energy-saving effect is very remarkable;
2, sealing is tight.Compared with other seal valve, butterfly valve seal more tightly, more reliable.Different gas phase media can be adapted to, as the medium such as poisonous, inflammable;
3, volume is little, manufactures cost of transportation low, and when being placed on ground, floor space is little, and passing ability is good.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Figure 1A is the pipeline compound low pressure loss water sealed tank schematic diagram that the enterprising side of one embodiment of the invention goes out a formula multiple outlet of import.
Figure 1B is the plan view of Figure 1A.
Fig. 2 is one embodiment of the invention enterprising side schematic diagram when going out formula water seal.
Fig. 3 A is the pipeline compound low pressure loss water sealed tank schematic diagram that another embodiment of the present invention side enters that side goes out the multiple outlet of the multiple import of formula.
Fig. 3 B is the plan view of Fig. 3 A.
Fig. 4 is that schematic diagram when side goes out formula water seal is entered in another embodiment of the present invention side.
Fig. 5 A is the pipeline compound low pressure loss water sealed tank schematic diagram that the multiple outlet of the multiple import of upper outlet type is entered in yet another embodiment of the invention side.
Fig. 5 B is the plan view of Fig. 5 A.
Fig. 6 is yet another embodiment of the invention side schematic diagram when entering upper outlet type water seal.
[primary component symbol description]
1: primary air inlet
201: extra-air inlet
3: circle tube tank body
4: main air outlet
501: the first secondary air outlets
502: the second secondary air outlets
503: the three secondary air outlets
6: flow-off
7: intake-outlet
8: inner core
Embodiment
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to compound its embodiment of low pressure loss water sealed tank of a kind of pipeline proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
The compound low pressure loss water sealed tank of a kind of pipeline that the present invention proposes, there is a circle tube tank body 3, described circle tube tank body 3 has a primary air inlet 1 and M (0≤M≤5) individual extra-air inlet, a main air outlet 4 and the individual secondary air outlet of N (0≤N≤5), intake-outlet 7 and flow-off 6; This primary air inlet 1 connects inner core 8 after entering circle tube tank body 3, and these extra-air inlet two ends connect described primary air inlet 1 place pipeline and circle tube tank body 3 respectively; The central axis of described inner core 8 and the central axes of circle tube tank body 3; This intake-outlet 7 is arranged on bottom circle tube tank body; This flow-off 6 is arranged on below main air outlet 4; These two ends, secondary air outlet connect described circle tube tank body 3 and place, main air outlet 4 pipeline respectively.
Concrete, the compound low pressure loss water sealed tank of a kind of pipeline of the present invention can form M+1 air inlet runner, has N+1 to go out flow channel.
Concrete, a kind of pipeline of the present invention compound low pressure loss water sealed tank, owing to there being multiple import and export runner, therefore can form X (X is integer and X >=2) water seal face when water seal.
Concrete, when the compound low pressure loss water sealed tank of a kind of pipeline of the present invention forms water seal, not only between circle tube tank body 3 and inner core 8, form water seal, and also form water seal between the first extra-air inlet 201 place pipeline, secondary air outlet place pipeline and circle tube tank body 3.
Embodiment 1
Refer to Figure 1A and Figure 1B, for the enterprising side of the present invention goes out a kind of pipeline compound low pressure loss water sealed tank schematic diagram of a formula multiple outlet of import.This compound low pressure loss water sealed tank has a circle tube tank body 3, described circle tube tank body 3 has a primary air inlet 1 and (there is no extra-air inlet 201, M=0), a main air outlet 4 and the first secondary air outlet 502 (totally 2 secondary air outlets, N=2) in secondary air outlet 501, second, intake-outlet 7 and flow-off 6; Primary air inlet 1 is placed in the top of circle tube tank body 3, connects inner core 8, the central axis of inner core 8 and the central axes of circle tube tank body 3 after entering circle tube tank body 3; Intake-outlet 7 is arranged on the bottom of circle tube tank body 3; Flow-off 6 is arranged on below main air outlet 4; Main air outlet 4 is placed in the sidepiece of circle tube tank body 3, and the first secondary air outlet 502, secondary air outlet 501, second is also placed in the same sidepiece of circle tube tank body 3, and its two ends connect circle tube tank body 3 and place, main air outlet 4 pipeline respectively.
When air inlet, gas (as flue gas) flows into inner core 7 through primary air inlet 1, enters circle tube tank body 3 by inner core 7; Owing to cylindrical body tank body 3 there being 3 outlets, define 3 outlet flow, when making the Clearance Flow of gas between circle tube tank body 3 and inner core 7, flow velocity reduces greatly, and resistance reduces, and pressure drop reduces.When giving vent to anger, gas leaves circle tube tank body 3, flows into main air outlet 4 and the first secondary air outlet 502, secondary air outlet 501, second, flows out water sealed tank.
Referring to Fig. 2, is schematic diagram when the enterprising side of one embodiment of the invention goes out formula water seal.When needs block gas phase media, open intake-outlet 7, start water inlet, because the gaseous pressure of water sealed tank air inlet side is high, side pressure of giving vent to anger is low, there is pressure difference in air inlet side and side of giving vent to anger, under gas phase differential pressure action, the water entering water sealed tank just can form water seal face when reaching balance liquid level (water seal face defines: when the flue gas pressures of air inlet side equals the pressure that air inlet side formed with the height of water level difference of side of giving vent to anger, when height of water level difference no longer changes, air inlet side is called a water seal face with low high 2 waters surface of side of giving vent to anger) effective sealing can be realized.
When gas phase pipeline opened by needs, open intake-outlet 7, the water in water sealed tank tank body flows out from intake-outlet 7, and now gas phase media enters from the suction port of water sealed tank, flows out from air outlet, and pipeline is opened.
Embodiment 2
Refer to Fig. 3 A and Fig. 3 B, for a kind of pipeline compound low pressure loss water sealed tank schematic diagram that side goes out the multiple outlet of the multiple import of formula is entered in another embodiment of the present invention side.This compound low pressure loss water sealed tank has a circle tube tank body 3, described circle tube tank body 3 have a primary air inlet 1 and 1 (M=1) extra-air inlet, 201, main air outlet 4 and the first secondary air outlet 502 (totally 2 secondary air outlets, N=2) in secondary air outlet 501, second, intake-outlet 7 and flow-off 6; Primary air inlet 1 is placed in the sidepiece of circle tube tank body 3, connects inner core 8, the central axis of inner core 8 and the central axes of circle tube tank body 3 after entering circle tube tank body 3; First extra-air inlet 201 is also placed in the same sidepiece of circle tube tank body 3, and its two ends connect described primary air inlet 1 place pipeline and circle tube tank body 3 respectively; Intake-outlet 7 is arranged on the bottom of circle tube tank body 3; Flow-off 6 is arranged on below main air outlet 4; Main air outlet 4 is placed in the other side of circle tube tank body 3, first secondary air outlet 501 is also placed in the other side of circle tube tank body 3, its two ends connect circle tube tank body 3 and place, main air outlet 4 pipeline respectively, second secondary air outlet 502 is placed in the top of circle tube tank body 3, and its two ends also connect circle tube tank body 3 and place, main air outlet 4 pipeline respectively.
When air inlet, gas flows into inner core 7 through primary air inlet 1, enters circle tube tank body 3 by inner core 7, and directly enters tank body 3 through extra-air inlet 201, and the setting of extra-air inlet 201 substantially reduces the pressure drop that primary air inlet 1 produces 90 ° of elbows; Owing to cylindrical body tank body 3 there being 3 outlets, define 3 outlet flow, when making the Clearance Flow of gas between circle tube tank body 3 and inner core 7, flow velocity reduces greatly, and resistance reduces, and pressure drop reduces.When giving vent to anger, gas leaves circle tube tank body 3, flows into main air outlet 4 and the first secondary air outlet 502, secondary air outlet 501, second, flows out water sealed tank.
Refer to Fig. 4, for schematic diagram when side goes out formula water seal is entered in another embodiment of the present invention side.When needs block gas phase media, open intake-outlet 7, start water inlet, because the gaseous pressure of water sealed tank air inlet side is high, side pressure of giving vent to anger is low, there is pressure difference in air inlet side and side of giving vent to anger, under gas phase differential pressure action, just can form water seal face and can realize effective sealing when the water entering water sealed tank reaches balance liquid level.
When gas phase pipeline opened by needs, open intake-outlet 7, the water in water sealed tank tank body flows out from intake-outlet 7, and now gas phase media enters from the suction port of water sealed tank, flows out from air outlet, and pipeline is opened.
Embodiment 3
Refer to Fig. 5 A and Fig. 5 B, for a kind of pipeline compound low pressure loss water sealed tank schematic diagram of the multiple outlet of the multiple import of upper outlet type is entered in yet another embodiment of the invention side, there is a circle tube tank body 3, described circle tube tank body 3 have a primary air inlet 1 and 1 (M=1) extra-air inlet, 201, main air outlet 4 and the first secondary air outlet 502, secondary air outlet 501, second, the 3rd secondary air outlet 503 (totally 3 secondary air outlets, N=3), intake-outlet 7 and flow-off 6; Primary air inlet 1 is placed in the sidepiece of circle tube tank body 3, connects inner core 8, the central axis of inner core 8 and the central axes of circle tube tank body 3 after entering circle tube tank body 3; First extra-air inlet 201 is also placed in the same sidepiece of circle tube tank body 3, and its two ends connect described primary air inlet 1 place pipeline and circle tube tank body 3 respectively; Intake-outlet 7 is arranged on the bottom of circle tube tank body 3; Flow-off 6 is arranged on below main air outlet 4; Primary air inlet 4 is placed in the top of circle tube tank body 3, and the first secondary air outlet 502, secondary air outlet 501, second, the 3rd secondary air outlet 503 are placed in the other side of circle tube tank body 3, and its two ends connect circle tube tank body 3 and place, main air outlet 4 pipeline respectively.
When air inlet, gas flows into inner core 8 through primary air inlet 1, enters circle tube tank body 3 by inner core 8, and directly enters tank body 3 through extra-air inlet 201, and the setting of extra-air inlet 201 substantially reduces the pressure drop that primary air inlet 1 produces 90 ° of elbows; Owing to cylindrical body tank body 3 there being 4 outlets, define 4 outlet flow, when making the Clearance Flow of gas between circle tube tank body 3 and inner core 8, flow velocity reduces greatly, and resistance reduces, and pressure drop reduces.When giving vent to anger, gas leaves circle tube tank body 3, flows into main air outlet 4 and the first secondary air outlet 502, secondary air outlet 501, second, the 3rd secondary air outlet 503, flows out water sealed tank.
Refer to Fig. 6, schematic diagram during for entering upper outlet type water seal in yet another embodiment of the invention side.When needs block gas phase media, open intake-outlet 7, start water inlet, because the gaseous pressure of water sealed tank air inlet side is high, side pressure of giving vent to anger is low, there is pressure difference in air inlet side and side of giving vent to anger, under gas phase differential pressure action, just can form water seal face and can realize effective sealing when the water entering water sealed tank reaches balance liquid level.
When gas phase pipeline opened by needs, open intake-outlet 7, the water in water sealed tank tank body flows out from intake-outlet 7, and now gas phase media enters from the suction port of water sealed tank, flows out from air outlet, and pipeline is opened.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. the compound low pressure loss water sealed tank of pipeline, it is characterized in that: this water sealed tank has a circle tube tank body described circle tube tank body having a primary air inlet and multiple extra-air inlet, a main air outlet and multiple secondary air outlet, intake-outlet and flow-off; This primary air inlet connects inner core after entering circle tube tank body, and these extra-air inlet two ends connect described primary air inlet place pipeline and circle tube tank body respectively; The central axis of described inner core and the central axes of circle tube tank body; This intake-outlet is arranged on bottom circle tube tank body; This flow-off is arranged on below main air outlet; These two ends, secondary air outlet connect described circle tube tank body and place, main air outlet pipeline respectively.
2. the compound low pressure loss water sealed tank of pipeline according to claim 1, is characterized in that: the quantity of described extra-air inlet is M, and 0≤M≤5.
3. the compound low pressure loss water sealed tank of pipeline according to claim 2, is characterized in that: the quantity of described secondary air outlet is N number of, and 0≤N≤5.
4. the compound low pressure loss water sealed tank of pipeline according to claim 3, is characterized in that: described primary air inlet is placed in the top of circle tube tank body; Described main air outlet is placed in the sidepiece of circle tube tank body, and the quantity of described secondary air outlet is 2, is also placed in the sidepiece of circle tube tank body.
5. the compound low pressure loss water sealed tank of pipeline according to claim 3, is characterized in that: described primary air inlet is placed in the sidepiece of circle tube tank body, and the quantity of described extra-air inlet is 1, is also placed in the sidepiece of circle tube tank body; Described main air outlet is placed in the other side of circle tube tank body, and the quantity of described secondary air outlet is 2, and wherein 1 secondary air outlet is placed in the other side of circle tube tank body, and other 1 secondary air outlet is placed in the top of circle tube tank body.
6. the compound low pressure loss water sealed tank of pipeline according to claim 3, is characterized in that: described primary air inlet is placed in the sidepiece of circle tube tank body, and the quantity of described extra-air inlet is 1, is also placed in the sidepiece of circle tube tank body; Described main air outlet is placed in the top of circle tube tank body, and the quantity of described secondary air outlet is 3, is placed in the other side of circle tube tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372387.8A CN105114667B (en) | 2015-06-29 | 2015-06-29 | A kind of compound low pressure drop water sealed tank of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510372387.8A CN105114667B (en) | 2015-06-29 | 2015-06-29 | A kind of compound low pressure drop water sealed tank of pipeline |
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| Publication Number | Publication Date |
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| CN105114667A true CN105114667A (en) | 2015-12-02 |
| CN105114667B CN105114667B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510372387.8A Active CN105114667B (en) | 2015-06-29 | 2015-06-29 | A kind of compound low pressure drop water sealed tank of pipeline |
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Citations (8)
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|---|---|---|---|---|
| US4616426A (en) * | 1984-07-04 | 1986-10-14 | Charbonnages De France | Valve for the pneumatic distribution of fluidizable material |
| CN201327267Y (en) * | 2008-11-25 | 2009-10-14 | 湖南顶立科技有限公司 | Water seal for spray drying tower |
| CN201513901U (en) * | 2009-08-13 | 2010-06-23 | 上海凯鸿环保工程有限公司 | Water sealed tank |
| CN203641589U (en) * | 2013-07-30 | 2014-06-11 | 青岛京润石化工程有限公司 | Combined-type energy-saving water-sealed valve |
| CN203797054U (en) * | 2014-02-21 | 2014-08-27 | 洛阳德明石化设备有限公司 | Water-sealed tank with flow adjusting segment |
| CN203926925U (en) * | 2014-05-30 | 2014-11-05 | 洛阳瑞昌石油化工设备有限公司 | Low pressure loss water sealed tank |
| CN204042940U (en) * | 2014-07-31 | 2014-12-24 | 程向锋 | A kind of flue system and water-sealed valve thereof |
| CN204756027U (en) * | 2015-06-29 | 2015-11-11 | 洛阳明远石化技术有限公司 | Water sealed tank falls in compound low pressure of pipeline |
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2015
- 2015-06-29 CN CN201510372387.8A patent/CN105114667B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616426A (en) * | 1984-07-04 | 1986-10-14 | Charbonnages De France | Valve for the pneumatic distribution of fluidizable material |
| CN201327267Y (en) * | 2008-11-25 | 2009-10-14 | 湖南顶立科技有限公司 | Water seal for spray drying tower |
| CN201513901U (en) * | 2009-08-13 | 2010-06-23 | 上海凯鸿环保工程有限公司 | Water sealed tank |
| CN203641589U (en) * | 2013-07-30 | 2014-06-11 | 青岛京润石化工程有限公司 | Combined-type energy-saving water-sealed valve |
| CN203797054U (en) * | 2014-02-21 | 2014-08-27 | 洛阳德明石化设备有限公司 | Water-sealed tank with flow adjusting segment |
| CN203926925U (en) * | 2014-05-30 | 2014-11-05 | 洛阳瑞昌石油化工设备有限公司 | Low pressure loss water sealed tank |
| CN204042940U (en) * | 2014-07-31 | 2014-12-24 | 程向锋 | A kind of flue system and water-sealed valve thereof |
| CN204756027U (en) * | 2015-06-29 | 2015-11-11 | 洛阳明远石化技术有限公司 | Water sealed tank falls in compound low pressure of pipeline |
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| CN105114667B (en) | 2017-11-10 |
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