CN106089501A - A kind of gas conveying safe diffusion device and using method - Google Patents
A kind of gas conveying safe diffusion device and using method Download PDFInfo
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- CN106089501A CN106089501A CN201610642698.6A CN201610642698A CN106089501A CN 106089501 A CN106089501 A CN 106089501A CN 201610642698 A CN201610642698 A CN 201610642698A CN 106089501 A CN106089501 A CN 106089501A
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- water
- hollow cylinder
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- gas
- air inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0293—Safety devices; Fail-safe measures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention belongs to gas electricity generator technical group field, propose a kind of gas conveying safe diffusion device and using method.A kind of gas conveying safe diffusion device proposed has the hollow cylinder (3) of closed at both ends；It is provided with air inlet pipe (4) in hollow cylinder (3), and the diameter of air inlet pipe (4) is less than the diameter of hollow cylinder (3)；Air inlet pipe (4) has straight length；The gas outlet of straight length lower end and the bottom surface of hollow cylinder have gap；The upper end of straight length has the bend loss to curving, and the outlet of bend loss is positioned at the upper end of hollow cylinder (3) side wall surface；There is in gap between air inlet pipe (4) and hollow cylinder (3) water in order to gas to carry out water seal；It is also equipped with altitude valve on one side wall surface of hollow cylinder (3)；There is on the upper surface of hollow cylinder (3) diffusion mouth (5).Present invention achieves many pressure stages level pressure to diffuse, to meet different process requirement, play voltage stabilizing and effect that superpressure is diffused.
Description
Technology neck city
In gas electricity generator technical group field, relate to a kind of gas conveying safe diffusion device and using method.
Background technology
In gas electricity is applied, if when gas discharge pressure change greatly or during the working conditions change of electromotor own can not and
Shi Wending gas pressure, then cause gas engine job insecurity, and air-fuel ration control and performance to gas engine cause the biggest shadow
Ring;The particularly sudden change of gas pressure is easily caused gas engine rough running, and power occurs fluctuation on a large scale, makes the master of gas engine
Want movement parts to be affected by impulsive force, shorten the service life of gas engine;Severe patient generation pinking, causes scuffing of cylinder bore, piston even
Bar assembly ruptures, and causes catastrophe failure or accident.
The wet-type relief valve that existing patent (application number: 200620161497.6 and 201120435116.X) relates to have as
Lower feature: (1) its valve body is criss-crossing channels or uses twin-tub structure, and structure is complicated；(2) it is become by industrial computer and liquid level
Send device or carry out liquid level control by the height of water level in the adjustment height of differential water pressures case, the height of division board and differential water pressures case
System, operation complexity, cost is high；(3) design without soil cleaning port, trouble of removing contamination, be unfavorable for maintenance；(4) cannot be to water in device
Temperature carries out Based Intelligent Control.
Summary of the invention
In order to solve the problems referred to above, the purpose of the present invention is to propose to a kind of gas conveying safe diffusion device and user
Method.
The present invention is for completing above-mentioned purpose by the following technical solutions:
A kind of gas conveying safe diffusion device, described safe diffusion device has the hollow cylinder of closed at both ends；Described
Hollow cylinder in be provided with the air inlet pipe in order to fill gas, and the diameter of air inlet pipe is less than the diameter of hollow cylinder；Described
Air inlet pipe there is straight length；The axis of described straight length and the dead in line of hollow cylinder；Giving vent to anger of described straight length lower end
Mouth has gap with the bottom surface of hollow cylinder；The upper end of described straight length has a bend loss to curving, and bend loss
Outlet is positioned at the upper end of hollow cylinder one side wall surface；Have in gap between described air inlet pipe and hollow cylinder in order to watt
This carries out the water of water seal；On the top of described hollow cylinder one side wall surface, there is the filler being connected with external water pipe；Institute
The bottom stating hollow cylinder one side wall surface has dewatering outlet, and installs water drain ball valve in dewatering outlet；The side of described hollow cylinder
The altitude valve for the water level in hollow cylinder is controlled it is also equipped with on wall；Described altitude valve is upper
Three of lower setting: altitude valve I, altitude valve II, altitude valve III；Described altitude valve I, water lev el control
Valve II, altitude valve III are the most corresponding different diffuses pressure；Altitude valve and the difference in height of gas outlet, air inlet pipe lower end
It is the water seal height H of air inlet pipe；There is on the upper surface of described hollow cylinder the diffusion mouth connected with evacuated tube；Described air
The bottom of cylinder one side wall surface is provided with soil cleaning port.
The bottom of described air cylinder body one side wall surface is provided with the temperature in order to detect the water temperature in hollow cylinder
Sensor；The lower end of straight length described in air inlet pipe is equipped with the heating coil in order to heat the water in hollow cylinder, institute
The heating coil stated is supported by the arm being welded on straight length；The thermal source import of described heating coil, thermal source outlet all stretch out
Described hollow cylinder, and in thermal source import, explosion-proof solenoid valve I is installed, thermal source outlet installs explosion-proof solenoid valve II；Anti-explosion is electromagnetic
Valve I, explosion-proof solenoid valve II opening and closing by the digital output modul of described temperature sensor.
The liquidometer for water level is shown it is also equipped with in the outside wall surface of described hollow cylinder.
Degree H need to meet following formula
H=[(P1-P2) × 10.2]/γ (1)
In formula
H water seal height, m；
P1Pipeline gas pressure, 105Pa；
P2Pressure in bleeding device, 105Pa；
γ relative density of fluid, water takes 1.
The using method of a kind of gas conveying safe diffusion device, safe diffusion device device original state is: water level
Control valve I, altitude valve II, altitude valve III, water drain ball valve and explosion-proof solenoid valve I, explosion-proof solenoid valve II are in closedown
State, soil cleaning port is sealed by blind flange, filler external water pipe valve closing；During work, beat according to required gas pressure
Open corresponding altitude valve, and open filler external water pipe ball valve, add water in hollow cylinder, when water level reaches phase
The then water that continues to add water when answering altitude valve height overflows from valve；Water pipe valve is normally opened, and persistently adding water ensure that water level
Stablize, and then ensure that and diffuse stablizing of pressure；Adding water complete, pipeline gas enters device from air inlet, and air inlet pipe is by water
Envelope certain altitude；When fluctuation occurs in pipeline gas pressure, and force value is higher than water seal pressure, gas can overflow the water surface, from diffusing
Mouth external connection row blank pipe is discharged；Gas has a certain amount of water and overflows from altitude valve when discharging, and the lasting moisturizing of filler
In time water level can be supplemented to altitude valve height, it is ensured that follow-up diffuse stablizing of pressure；If diffusing pressure change, need
Open different altitude valves to be adjusted；Bottom of device has dewatering outlet, connects manual ball valve, when turnaround of unit or Long-time Shut-down
Time with it, water in device is discharged；When the temperature is low, utilize heating coil that water is heated.
A kind of gas conveying safe diffusion device of present invention proposition and using method, use technique scheme, real
Show many pressure stages level pressure to diffuse, to meet different process requirement, play voltage stabilizing and effect that superpressure is diffused；When gas conveying pipe
When negative pressure occurs in road, air also cannot be directly entered gas conveyer tube by water seal, it is to avoid the shadow of outer bound pair gas density
Ringing, water seal simultaneously it also avoid the incoming of naked light.This device has automatic heating function, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
In figure: 1, soil cleaning port；2, blind flange；3, hollow cylinder；4, air inlet pipe；5, diffusion mouth；6, filler；7, water level control
Valve I processed；8, altitude valve II；9, altitude valve III；10, thermal source import；11, explosion-proof solenoid valve I；12, thermal source outlet；
13, explosion-proof solenoid valve II；14, temperature sensor；15, water drain ball valve；16, dewatering outlet；17, arm；18, heating coil；19, hang
Ear；20, liquidometer；21, leg.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the present invention is illustrated:
As shown in Figure 1 and Figure 2, a kind of gas conveying safe diffusion device, described safe diffusion device has closed at both ends
Hollow cylinder 3；It is provided with the air inlet pipe 4 in order to fill gas in described hollow cylinder 3, and the diameter of air inlet pipe 4 is less than sky
The diameter of heart cylinder 3；Described air inlet pipe 4 has straight length；The axis of described straight length and the dead in line of hollow cylinder 3；
The described gas outlet of straight length lower end and the bottom surface of hollow cylinder have gap；The upper end of described straight length has to curving
Bend loss, and the outlet of bend loss is positioned at the upper end of hollow cylinder 3 one side wall surface；Described air inlet pipe 4 and hollow cylinder 3 it
Between gap in there is the water in order to gas to carry out water seal；Have with external on the top of described hollow cylinder 3 one side wall surface
The filler 6 that water pipe connects；Filler is used for adding water to safe diffusion device, by the external water pipe of flange, to this
Device continues moisturizing, it is ensured that the accurate control of pipeline gas pressure.Certain altitude is added according to on-the-spot gas tube discharge pressure
Water air inlet pipe is carried out water seal, unnecessary water drains into cistern by water lev el control ball valve and recycles；Described hollow cylinder 3
The bottom of one side wall surface has dewatering outlet 16, and installs water drain ball valve 15 at dewatering outlet 16；One sidewall of described hollow cylinder 3
The altitude valve for the water level in hollow cylinder is controlled it is also equipped with on face；Described altitude valve is upper and lower
Three arranged: altitude valve I 7, altitude valve II 8, altitude valve III 9；Described altitude valve I 7, water level control
Valve II 8 processed, altitude valve III 9 are the most corresponding different diffuses pressure；Altitude valve and the height of gas outlet, air inlet pipe lower end
Degree difference is the water seal height H of air inlet pipe；The water lev el control valve of respective heights is opened according to gas tube discharge pressure so that it is
It is in normally open；Containing a certain amount of moisture content in gas, during equipment use, in device, liquid level can change, valve
Normally opened can fixed level；When pipeline discharge pressure superpressure, gas can be discharged from diffusion mouth, simultaneously can some water from water level
Control valve to flow out, owing to water pipe is always on, also can stablize by guaranteed water level；So, water lev el control valve is normally opened and mends
Water lines continues the level pressure of moisturizing common guarantee safe diffusion device and diffuses, and plays voltage stabilizing, protective effect；Described hollow cylinder
There is on the upper surface of 3 diffusion mouth 5 connected with evacuated tube；Diffusion mouth 5 is by diffusion mouth Flange joint evacuated tube, when pipeline watt
When this pressure is more than pressure of water seal force value, gas escapes from air inlet pipe, emerges, and discharges through evacuated tube；Described air cylinder body 3 one
The bottom of side wall surface is provided with soil cleaning port 1, more containing impurity in on-the-spot gas, and this device is outdoor placement, a period of time
After, cylinder body bottom unavoidably will appear from a large amount of mud, impurity, can remove from soil cleaning port；Soil cleaning port has blind flange to seal, periodically
Open and carry out foreign material cleaning.
The bottom of described air cylinder body 3 one side wall surface is provided with the temperature in order to detect the water temperature in hollow cylinder
Sensor 14；The lower end of straight length described in air inlet pipe is equipped with the heating coil in order to heat the water in hollow cylinder
18, described heating coil 18 is supported by the arm 17 being welded on straight length；The thermal source import 10 of described heating coil 18, heat
Described hollow cylinder 3 is all stretched out in source outlet 12, and installs explosion-proof solenoid valve I 11 in thermal source import 10, and thermal source outlet 12 is installed
Explosion-proof solenoid valve II 13；Explosion-proof solenoid valve I 11, explosion-proof solenoid valve II 13 opening and closing by 14 switching value controls of described temperature sensor
System；
When this device use occasion temperature is relatively low, such as north of china in winter is outdoor, affects it for water freezing in avoiding device and uses,
Water temperature in device is detected by temperature sensor 14；When water temperature is down to lower limit, explosion-proof solenoid valve I 11, explosion-proof solenoid valve II 13
Automatically opening up, high-temperature water or steam flow into heating coil 18 and water in device are circulated heating；When in device, water temperature rises supreme
During limit value, explosion-proof solenoid valve I 11, explosion-proof solenoid valve II 13 are automatically switched off, and heating stops.
It is also equipped with the liquidometer 20 for water level is shown in the outside wall surface of described hollow cylinder 3, periodically passes through
Liquidometer 20 observes water level or console monitor typewrite, fixes a breakdown in time when the system failure causes water level relatively low.
Degree H need to meet following formula
H=[(P1-P2) × 10.2]/γ (1)
In formula
H water seal height, m；
P1Pipeline gas pressure, 105Pa；
P2Pressure in bleeding device, 105Pa；
γ relative density of fluid, water takes 1.
The using method of a kind of gas conveying safe diffusion device, safe diffusion device device original state is: water level
Control valve I 7, altitude valve II 8, altitude valve III 9, water drain ball valve 15 and explosion-proof solenoid valve I 11, explosion-proof solenoid valve II 13
Being closed, soil cleaning port 1 is sealed by blind flange 2, filler 6 external water pipe valve closing；During work, according to required
Gas pressure opens corresponding altitude valve, and opens filler external water pipe ball valve, adds water in hollow cylinder, when
The water level then water that reaches to continue to add water during equivalent water level control valve height overflows from valve；Water pipe valve is normally opened, persistently adds water
Ensure that stablizing of water level, and then ensure that and diffuse stablizing of pressure；Adding water complete, pipeline gas enters device from air inlet,
Air inlet pipe is by water seal certain altitude；When fluctuation occurs in pipeline gas pressure, and force value is higher than water seal pressure, gas can overflow water
Face, discharges from diffusion mouth external connection row blank pipe；Gas has a certain amount of water and overflows from altitude valve when discharging, and filler
Continue moisturizing and can in time water level be supplemented to altitude valve height, it is ensured that follow-up diffuse stablizing of pressure；If diffusing pressure
Power changes, and need to open different altitude valves and be adjusted；Bottom of device has dewatering outlet, connects manual ball valve, works as turnaround of unit
Or with it, water in device is discharged during Long-time Shut-down；When the temperature is low, utilize heating coil that water is heated.
Water drain ball valve 15 should be opened discharged by water in device when turnaround of unit or Long-time Shut-down.
Claims (5)
1. a gas conveying safe diffusion device, it is characterised in that: described safe diffusion device has closed at both ends
Hollow cylinder (3)；It is provided with the air inlet pipe (4) in order to fill gas in described hollow cylinder (3), and air inlet pipe (4) is straight
Footpath is less than the diameter of hollow cylinder (3)；Described air inlet pipe (4) has straight length；The axis of described straight length and hollow cylinder
(3) dead in line；The described gas outlet of straight length lower end and the bottom surface of hollow cylinder have gap；The upper end of described straight length
There is the bend loss to curving, and the outlet of bend loss is positioned at the upper end of hollow cylinder (3) side wall surface；Described air inlet
In gap between pipe (4) and hollow cylinder (3), there is the water in order to gas to carry out water seal；At described hollow cylinder (3)
The top of side wall surface has the filler (6) being connected with external water pipe；The bottom tool of described hollow cylinder (3) side wall surface
There is dewatering outlet (16), and water drain ball valve (15) is installed at dewatering outlet (16) place；Also pacify on one side wall surface of described hollow cylinder (3)
Equipped with the altitude valve for the water level in hollow cylinder is controlled；Described altitude valve is setting up and down three
Individual: altitude valve I (7), altitude valve II (8), altitude valve III (9)；Described altitude valve I (7), water level control
Valve II (8) processed, altitude valve III (9) are the most corresponding different diffuses pressure；Altitude valve and gas outlet, air inlet pipe lower end
Difference in height be the water seal height H of air inlet pipe；There is on the upper surface of described hollow cylinder (3) diffusing of connecting with evacuated tube
Mouth (5)；The bottom of described air cylinder body (3) side wall surface is provided with soil cleaning port (1).
2. a kind of gas conveying safe diffusion device as claimed in claim 1, it is characterised in that: described air cylinder body (3)
The bottom of one side wall surface is provided with the temperature sensor (14) in order to detect the water temperature in hollow cylinder；Described in air inlet pipe
The lower end of straight length is equipped with the heating coil (18) in order to heat the water in hollow cylinder, described heating coil
(18) supported by the arm (17) being welded on straight length；The thermal source import (10) of described heating coil (18), thermal source outlet
(12) all stretch out described hollow cylinder (3), and in thermal source import (10), explosion-proof solenoid valve I (11), thermal source outlet (12) are installed
Explosion-proof solenoid valve II (13) is installed；Explosion-proof solenoid valve I (11), explosion-proof solenoid valve II (13) opening and closing by described temperature sensor
(14) digital output modul.
3. a kind of gas conveying safe diffusion device as claimed in claim 1, it is characterised in that: described hollow cylinder (3)
Outside wall surface on be also equipped with the liquidometer (20) for water level is shown.
4. a kind of gas conveying safe diffusion device as claimed in claim 1, it is characterised in that: water seal height H need to meet
Following formula
H=[(P1-P2) × 10.2]/γ (1)
In formula
H water seal height, m；
P1Pipeline gas pressure, 105Pa；
P2Pressure in bleeding device, 105Pa；
γ relative density of fluid, water takes 1.
5. a using method for gas conveying safe diffusion device, safe diffusion device device original state is: its feature
It is: altitude valve I (7), altitude valve II (8), altitude valve III (9), water drain ball valve (15) and explosion-proof solenoid valve I
(11), explosion-proof solenoid valve II (13) be closed, soil cleaning port (1) by blind flange (2) seal, filler (6) external moisturizing
Pipe valve is closed；During work, open corresponding altitude valve according to required gas pressure, and open the external moisturizing in filler
Pipeline ball valve, adds water in hollow cylinder, and the then water that continues to add water when water level reaches equivalent water level control valve height overflows from valve
Go out；Water pipe valve is normally opened, persistently adds water and ensure that stablizing of water level, and then ensure that and diffuse stablizing of pressure；Add water
Finishing, pipeline gas enters device from air inlet, and air inlet pipe is by water seal certain altitude；When fluctuation, pressure occurs in pipeline gas pressure
When value is higher than water seal pressure, gas can overflow the water surface, discharges from diffusion mouth external connection row blank pipe；Gas has a certain amount of when discharging
Water overflows from altitude valve, and water level can be supplemented to altitude valve height by the lasting moisturizing of filler in time, it is ensured that
Follow-up diffuse stablizing of pressure；If diffusing pressure change, different altitude valves need to be opened and be adjusted；Bottom of device has
Dewatering outlet, connects manual ball valve, is discharged by water in device with it when turnaround of unit or Long-time Shut-down；When the temperature is low, utilize
Water is heated by heating coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642698.6A CN106089501A (en) | 2016-08-09 | 2016-08-09 | A kind of gas conveying safe diffusion device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610642698.6A CN106089501A (en) | 2016-08-09 | 2016-08-09 | A kind of gas conveying safe diffusion device and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089501A true CN106089501A (en) | 2016-11-09 |
Family
ID=57453743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610642698.6A Pending CN106089501A (en) | 2016-08-09 | 2016-08-09 | A kind of gas conveying safe diffusion device and using method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106089501A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981559A (en) * | 2019-12-18 | 2020-04-10 | 浙江大学 | Continuous feeding and full mixing type biological drying equipment and method without temperature rise period |
| CN112043996A (en) * | 2020-09-17 | 2020-12-08 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
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| CN200989482Y (en) * | 2006-12-19 | 2007-12-12 | 胜利油田胜利动力机械有限公司 | Wet gas diffusing valve |
| CN201121802Y (en) * | 2007-10-31 | 2008-09-24 | 山东泰山钢铁集团有限公司 | Coal gas pressure segmenting self-controlled large discharging device |
| CN202900304U (en) * | 2012-10-24 | 2013-04-24 | 山东博水泵业有限公司 | Self-balance type water seal anti-explosion device |
| CN203477903U (en) * | 2013-09-10 | 2014-03-12 | 唐山佳华煤化工有限公司 | Gas water seal device for discharging steam condensate outwards |
| CN205936884U (en) * | 2016-08-09 | 2017-02-08 | 河南柴油机重工有限责任公司 | Gas is carried with safe device that diffuses |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989482Y (en) * | 2006-12-19 | 2007-12-12 | 胜利油田胜利动力机械有限公司 | Wet gas diffusing valve |
| CN201121802Y (en) * | 2007-10-31 | 2008-09-24 | 山东泰山钢铁集团有限公司 | Coal gas pressure segmenting self-controlled large discharging device |
| CN202900304U (en) * | 2012-10-24 | 2013-04-24 | 山东博水泵业有限公司 | Self-balance type water seal anti-explosion device |
| CN203477903U (en) * | 2013-09-10 | 2014-03-12 | 唐山佳华煤化工有限公司 | Gas water seal device for discharging steam condensate outwards |
| CN205936884U (en) * | 2016-08-09 | 2017-02-08 | 河南柴油机重工有限责任公司 | Gas is carried with safe device that diffuses |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981559A (en) * | 2019-12-18 | 2020-04-10 | 浙江大学 | Continuous feeding and full mixing type biological drying equipment and method without temperature rise period |
| CN110981559B (en) * | 2019-12-18 | 2023-10-17 | 浙江大学 | Continuous feeding full-mixing type biological drying equipment and method without heating period |
| CN112043996A (en) * | 2020-09-17 | 2020-12-08 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
| CN112043996B (en) * | 2020-09-17 | 2021-10-15 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
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