CN202073733U - Merging discharge device for water, gas and oil - Google Patents

Merging discharge device for water, gas and oil Download PDF

Info

Publication number
CN202073733U
CN202073733U CN2011201682724U CN201120168272U CN202073733U CN 202073733 U CN202073733 U CN 202073733U CN 2011201682724 U CN2011201682724 U CN 2011201682724U CN 201120168272 U CN201120168272 U CN 201120168272U CN 202073733 U CN202073733 U CN 202073733U
Authority
CN
China
Prior art keywords
pipe
outlet
water
air bag
merges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011201682724U
Other languages
Chinese (zh)
Inventor
刘宪忠
刘兴华
刘荣方
顾丽花
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEPING IND MINING EQUIPMENT PLANT CHANGZHOU
Original Assignee
HEPING IND MINING EQUIPMENT PLANT CHANGZHOU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEPING IND MINING EQUIPMENT PLANT CHANGZHOU filed Critical HEPING IND MINING EQUIPMENT PLANT CHANGZHOU
Priority to CN2011201682724U priority Critical patent/CN202073733U/en
Application granted granted Critical
Publication of CN202073733U publication Critical patent/CN202073733U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The utility model relates to a merging discharge device for water, gas and oil, which comprises an exhaust pipe connected with an air outlet of a pneumatic water pump, and a water discharge pipe connected with a water outlet of the pneumatic water pump; a buffering gas bag is sheathed at the outlet end of the exhaust pipe; the outer wall of the exhaust pipe is connected with the wall of the buffering gas bag in a sealing manner; the buffering gas bag is communicated with the water discharge pipe through a merging pipe which is arranged obliquely; an outlet of the merging pipe is oblique towards the water discharge direction of the water discharge pipe; and an outlet of the merging pipe is lower than a gas outlet position of the exhaust pipe. As for the merging discharge device for the water, gas and oil, the water and the gas are discharged by the same pipeline, and the water is utilized for noise reduction, so that working noise is effectively reduced; the gas and the water are mixed so that oil mist in exhaust gas is eliminated, and further secondary explosion problem of lubricating oil mist taken out by the exhaust gas of a wind motor in an explosive environment can be solved; and the gas cavity structure effectively prevents the water from backwards flowing into the wind motor.

Description

Aqueous vapor oil merges discharger
Technical field
The utility model relates to a kind of discharger, and particularly a kind of aqueous vapor oil merges discharger.
Background technique
Wind-driven water pump all has exhaust outlet and water outlet usually, and its exhaust outlet and water outlet all can be connected with outlet pipe and waste pipe, is used for the discharging of useless G﹠W.
Shortcoming below can existing in the discharge process of useless G﹠W: 1, wind motor can produce bigger noise in exhaust process, has a strong impact on working environment; 2, wind motor also can be taken lubricant mist out of when discharging gas, if just be easy to cause secondary explosion in explosion environment, brings very serious consequence can for production and staff; 3, when wind-driven water pump stops drying, the recirculation water in the wind-driven water pump can instead flow in the wind motor, damages wind motor, has had a strong impact on the working life of wind-driven water pump.
The model utility content
The technical problems to be solved in the utility model is: the water, the gas discharger operating noise when exhaust that solve existing wind-driven water pump are big, and the lubricant mist taken out of of exhaust can cause the problem of secondary explosion in explosion environment, and when wind-driven water pump quits work the anti-wind motor that flows to of recirculation water, cause the technical problem of the damage of wind-driven water pump.The utility model provides a kind of aqueous vapor oil to merge discharger, adopts G﹠W to discharge with pipeline, utilizes the water noise reduction, effectively reduces the noise that produces when wind motor is worked, and mixes by air water, has eliminated the mist of oil in the waste gas; Adopt sack cavity structure, anti-sealing is counter to flow to the damage that wind motor causes wind-driven water pump.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of aqueous vapor oil merges discharger, comprise outlet pipe that links to each other with the exhaust outlet of wind-driven water pump and the waste pipe that links to each other with the water outlet of wind-driven water pump, described outlet pipe and waste pipe are connected.
When preventing that wind-driven water pump from quitting work, a spot of recirculation water is in the moving water pump of outlet pipe refluence air intake, cause the damage of wind-driven water pump, the outlet end of described outlet pipe is set with buffer air bag, the outer wall of outlet pipe and the cyst wall of buffer air bag are tightly connected, and described buffer air bag is connected by merging pipe with waste pipe, and described merging pipe is obliquely installed, merge the drainage direction inclination of the outlet of pipe towards waste pipe, the exit position that merges pipe is lower than the position, air outlet of outlet pipe.
In order to make the gas that merges in the pipe can not be subjected to the resistance of water well to enter waste pipe, realize that aqueous vapor discharges with pipeline, utilize the water noise reduction, the formed angle α of the outlet of described merging pipe and the waste pipe formula that satisfies condition: 90 °<α<180 °.
In order to prevent ponding in the buffer air bag, the entrance point of described merging pipe is positioned at the bottom of buffer air bag.
Compact more in order to make aqueous vapor oil merge the structure of discharger, the outlet end of described outlet pipe is set with buffer air bag, waste pipe runs through buffer air bag, the outer wall of outlet pipe and waste pipe all is tightly connected with the cyst wall of buffer air bag, also be provided with in the buffer air bag to merge and manage, buffer air bag is connected by merging pipe with waste pipe, merges pipe and is obliquely installed, merge the drainage direction inclination of the outlet of pipe towards waste pipe, the entrance location that merges pipe is lower than the position, air outlet of outlet pipe.
In order to prevent ponding in the buffer air bag, the bottom of described buffer air bag is provided with the one-way valve that is used to get rid of the ponding in the buffer air bag.
In order to prevent that wind-driven water pump from quitting work the time, under the more situation of recirculation water, recirculation water is in the moving water pump of outlet pipe refluence air intake, cause the damage of wind-driven water pump, the outlet end of described outlet pipe has the gas control one-way valve of the water outlet of preventing moving water pump inside of refluence air intake when wind-driven water pump quits work.
In order to make aqueous vapor oil merge the simple more compactness of structure of discharger, the outlet end of described outlet pipe is set with air pipe, one end of described air pipe and the outer wall of outlet pipe are tightly connected, the other end of air pipe is connected with the outlet of waste pipe, and the outlet end of the outlet pipe in the air pipe is provided with the gas control one-way valve that prevents water outlet moving water pump inside of refluence air intake when wind-driven water pump quits work.
Convenient when using in order to make aqueous vapor oil merge discharger, overall structure is compact more, described aqueous vapor oil merges discharger and is arranged with casing outward, and described casing is fixedlyed connected with the outer wall of wind-driven water pump, and aqueous vapor oil merging discharger and wind-driven water pump are made of one the formula structure.
For the structure that makes the gas control one-way valve simpler, production and easier for installation, described gas control one-way valve comprises tubular valve body and is used for the end cap of the shutoff tubular valve body mouth of pipe, offer exhaust port on the valve body, the spool of energy closed grate hole is housed in the valve body, between spool and end cap Returnning spring is housed.
The beneficial effects of the utility model are: this aqueous vapor oil merges discharger, adopt G﹠W to discharge with pipeline, G﹠W is mixed, eliminated the mist of oil in the waste gas, the secondary explosion problem of the lubricant mist of having taken out of when having solved the wind motor exhaust effectively in explosion environment; Waste gas and transporting water are discharged with pipeline, utilize the water noise reduction, and the noise that produces when effectively reducing wind motor work has improved working environment; Adopt sack cavity structure, the anti-wind motor that flows to of anti-sealing guarantees the long-time effectively work of wind-driven water pump; And G﹠W discharges with pipeline, utilizes waste gas to do work for the second time, improved lift.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation that aqueous vapor oil of the present utility model merges first specific embodiment of discharger;
Fig. 2 is the structural representation that aqueous vapor oil of the present utility model merges second specific embodiment of discharger;
Fig. 3 is the structural representation that aqueous vapor oil of the present utility model merges the 3rd specific embodiment of discharger.
Fig. 4 is the structural representation that aqueous vapor oil of the present utility model merges the 4th specific embodiment of discharger.
Among the figure: 1, exhaust outlet, 2, water outlet, 3, outlet pipe, 4, the gas control one-way valve, 5, exhaust port, 6, spool, 7, buffer air bag, 8, waste pipe, 9, merge pipe, 10, valve body, 11, end cap, 12, Returnning spring, 13, unloading valve, 14, air pipe, 15, casing, α, inclination angle.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic representation of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Aqueous vapor oil of the present utility model as shown in Figure 1 merges first specific embodiment of discharger, comprise outlet pipe 3 that links to each other with the exhaust outlet 1 of wind-driven water pump and the waste pipe 8 that links to each other with the water outlet 2 of wind-driven water pump, the outlet end of outlet pipe 3 is set with buffer air bag 7, the cyst wall of the outer wall of outlet pipe 3 and buffer air bag 7 is tightly connected, and buffer air bag 7 is connected by merging pipe 9 with waste pipe 8.The outlet that merges pipe 9 is obliquely installed towards the drainage direction of waste pipe 8, and 8 formed angle α are 135 ° with waste pipe, and the gas of discharging from outlet pipe 3 can well enter waste pipe 8 and discharges with pipeline with water like this, reaches the effect of utilizing the water noise reduction; And the water outlet in the waste pipe 8 is because of being subjected to the promotion of gas, and the into buffer air bag 7 that not only can not flow backwards can also improve the lift of water.The exit position that merges pipe 9 is lower than the position, air outlet of outlet pipe 3, even there is a spot of recirculation water to amass in the bottom of buffer air bag 7 like this, also can not enter wind-driven water pump from the relief opening of outlet pipe 3.The entrance point that merges pipe 9 is positioned at the bottom of buffer air bag 7; when the height of ponding in the buffer air bag 7 is higher than the import that merges pipe 9; ponding can flow into waste pipe 8 and discharge from merging pipe 9; just be not easy ponding in the buffer air bag 7; even if ponding is arranged, the water yield is also less, when wind-driven water pump is worked once more; gas can be brought those a spot of ponding into waste pipe 8 in the lump and discharge, and guarantees that recirculation water does not amass in buffer air bag 7.
Aqueous vapor oil of the present utility model as shown in Figure 2 merges second specific embodiment of discharger, comprise outlet pipe 3 that links to each other with the exhaust outlet 1 of wind-driven water pump and the waste pipe 8 that links to each other with the water outlet 2 of wind-driven water pump, the outlet end of outlet pipe 3 is set with buffer air bag 7, the cyst wall of the outer wall of outlet pipe 3 and buffer air bag 7 is tightly connected, and buffer air bag 7 is connected by merging pipe 9 with waste pipe 8.Merge pipe 9 and be obliquely installed, merge the drainage direction inclination of the outlet of pipe 9 towards waste pipe 8,8 formed angle α are 135 ° with waste pipe.The exit position that merges pipe 9 is lower than the position, air outlet of outlet pipe 3, the entrance point that merges pipe 9 is positioned at the bottom of buffer air bag 7, the outlet end of outlet pipe 3 has the gas control one-way valve 4 of the water outlet of preventing moving water pump inside of refluence air intake when wind-driven water pump quits work, gas control one-way valve 4 comprises tubular valve body 10 and is used for the end cap 11 of shutoff tubular valve body 10 mouths of pipe, offer exhaust port 5 on the valve body 10, the spool 6 of energy closed grate hole 5 is housed in the valve body 10, and 11 of spool 6 and end caps are equipped with Returnning spring 12.
When wind-driven water pump startup work, water flows to waste pipe 8 from the water outlet 2 of wind-driven water pump and discharges; In this simultaneously, pressurized air after the acting enters outlet pipe 3 from the exhaust outlet 1 of wind motor, and the spool 6 that promotes the gas control one-way valve 4 of outlet pipe 3 outlet end moves up, and opens exhaust port 5, pressurized air enters buffer air bag 7 from exhaust port 5, enters waste pipe 8 by merging pipe 9.Because the outlet of merging pipe 9 is obliquely installed towards the drainage direction of waste pipe 8,, the gas of discharging in the outlet pipe 3 discharges with pipeline with water so well entering waste pipe 8; Water outlet in the waste pipe 8 is because be subjected to the promotion of gas, the into buffer air bag 7 that not only can not flow backwards, but also improved the lift of water.
When wind-driven water pump cut out, the spool 6 of gas control one-way valve 4 moved down under the effect of Returnning spring 12 and resets, and closes exhaust port 5.Remaining water is counter in the waste pipe 8 flows back to, most of water passes through the water intake outflow of the impeller of water pump from water pump, a spot of water flows to buffer air bag 7 by merging pipe 9, because merging the import of pipe 9 is connected with the bottom of buffer air bag 7, the exit position that merges pipe 9 is lower than the position, air outlet of outlet pipe 8, so recirculation water more after a little while, is difficult for ponding in the buffer air bag 7, and when wind-driven water pump was worked once more, gas can be brought a small amount of ponding in the buffer air bag 7 into waste pipe 8 in the lump and discharge.When recirculation water more for a long time, because being arranged in the exhaust port 5 of gas control one-way valve 4 of outlet pipe 3 outlet end of buffer air bag 7 closes, even if so buffer air bag 7 inner product full waters, recirculation water can not flow into wind motor yet, the more effective like this recirculation water refluence air intake that prevented moves water pump.
Aqueous vapor oil of the present utility model as shown in Figure 3 merges the 3rd specific embodiment of discharger, comprise outlet pipe 3 that links to each other with the exhaust outlet 1 of wind-driven water pump and the waste pipe 8 that links to each other with the water outlet 2 of wind-driven water pump, the outlet end of outlet pipe 3 is set with buffer air bag 7, waste pipe 8 runs through buffer air bag 7, the outer wall of outlet pipe 3 and waste pipe 8 all is tightly connected with the cyst wall of buffer air bag 7, also be provided with in the buffer air bag 7 and merge pipe 9, buffer air bag 7 is connected by merging pipe 9 with waste pipe 8, merging pipe 9 is obliquely installed, merge the drainage direction inclination of the outlet of pipe 9 towards waste pipe 8, the entrance location that merges pipe 9 is lower than the position, air outlet of outlet pipe 3.When wind-driven water pump cuts out, remaining water is counter in the waste pipe 8 flows back to, most of water passes through the water intake outflow of the impeller of water pump from water pump, and a spot of water flows to buffer air bag 7 in order to prevent ponding in the buffer air bag 7 by merging pipe 9, and the bottom of buffer air bag 7 is provided with one-way valve 13.When in the buffer air bag 7 ponding being arranged, water can be discharged by one-way valve 13.When ponding more for a long time, in order to guarantee that recirculation water does not enter wind-driven water pump from outlet pipe 3, the outlet end of outlet pipe 3 has the gas control one-way valve 4 of the water outlet of preventing moving water pump inside of refluence air intake when wind-driven water pump quits work, gas control one-way valve 4 comprises tubular valve body 10 and is used for the end cap 11 of shutoff tubular valve body 10 mouths of pipe, offer exhaust port 5 on the valve body 10, the spool 6 of energy closed grate hole 5 is housed in the valve body 10, and 11 of spool 6 and end caps are equipped with Returnning spring 12.
Aqueous vapor oil of the present utility model as shown in Figure 4 merges the 4th specific embodiment of discharger, comprise outlet pipe 3 that is connected with the exhaust outlet 1 of wind-driven water pump and the waste pipe 8 that links to each other with the water outlet 2 of wind-driven water pump, the outlet end of outlet pipe 3 is set with air pipe 14, one end of air pipe 14 and the outer wall of outlet pipe 3 are tightly connected, the other end of air pipe 14 is connected with the outlet of waste pipe 8, and the outlet end of the outlet pipe 3 in the air pipe 14 is provided with the gas control one-way valve 4 that prevents water outlet moving water pump inside of refluence air intake when wind-driven water pump quits work.Aqueous vapor oil merges discharger and is arranged with casing 15 outward, and casing 15 is fixedlyed connected with the outer wall of wind-driven water pump.Aqueous vapor oil merging discharger and wind-driven water pump are made of one structure, and overall structure is compact more like this, and is also convenient during use.
This aqueous vapor oil merges discharger, adopts G﹠W to discharge with pipeline, utilizes the water noise reduction, and the noise that produces when effectively reducing wind motor work has improved working environment; Mix by G﹠W, can eliminate the mist of oil in the waste gas, the secondary explosion problem of the lubricant mist of having taken out of when having solved the wind motor exhaust effectively in explosion environment; The sack cavity structure that adopts, when also having prevented that effectively wind-driven water pump from quitting work, the anti-wind motor that flows to of recirculation water, the assurance wind-driven water pump can effectively be worked for a long time; G﹠W is discharged with pipeline, utilizes waste gas to do work for the second time, has improved lift.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.

Claims (10)

1. an aqueous vapor oil merges discharger, and it is characterized in that: comprise outlet pipe (3) that links to each other with the exhaust outlet (1) of wind-driven water pump and the waste pipe (8) that links to each other with the water outlet (2) of wind-driven water pump, described outlet pipe (3) and waste pipe (8) are connected.
2. aqueous vapor oil according to claim 1 merges discharger, it is characterized in that: the outlet end of described outlet pipe (3) is set with buffer air bag (7), the cyst wall of the outer wall of outlet pipe (3) and buffer air bag (7) is tightly connected, described buffer air bag (7) is connected by merging pipe (9) with waste pipe (8), described merging pipe (9) is obliquely installed, merge the drainage direction inclination of the outlet of pipe (9) towards waste pipe (8), the exit position that merges pipe (9) is lower than the position, air outlet of outlet pipe (3).
3. aqueous vapor according to claim 2 oil merges discharger, it is characterized in that: the outlet of described merging pipe (9) and the formed angle of waste pipe (8) (α) formula that satisfies condition: 90 °<α<180 °.
4. aqueous vapor oil according to claim 2 merges discharger, and it is characterized in that: the entrance point of described merging pipe (9) is positioned at the bottom of buffer air bag (7).
5. aqueous vapor oil according to claim 1 merges discharger, it is characterized in that: the outlet end of described outlet pipe (3) is set with buffer air bag (7), waste pipe (8) runs through buffer air bag (7), the outer wall of outlet pipe (3) and waste pipe (8) all is tightly connected with the cyst wall of buffer air bag (7), also be provided with in the buffer air bag (7) and merge pipe (9), buffer air bag (7) is connected by merging pipe (9) with waste pipe (8), merging pipe (9) is obliquely installed, merge the drainage direction inclination of the outlet of pipe (9) towards waste pipe (8), the entrance location that merges pipe (9) is lower than the position, air outlet of outlet pipe (3).
6. aqueous vapor oil according to claim 5 merges discharger, and it is characterized in that: the bottom of described buffer air bag (7) is provided with the one-way valve (13) that is used to get rid of the ponding in the buffer air bag (7).
7. merge discharger according to claim 2 or 5 described aqueous vapor oil, it is characterized in that: the outlet end of described outlet pipe (3) has the gas control one-way valve (4) of the water outlet of preventing moving water pump inside of refluence air intake when wind-driven water pump quits work.
8. aqueous vapor oil according to claim 1 merges discharger, it is characterized in that: the outlet end of described outlet pipe (3) is set with air pipe (14), the outer wall of one end of described air pipe (14) and outlet pipe (3) is tightly connected, the other end of air pipe (14) is connected with the outlet of waste pipe (8), and the outlet end of the outlet pipe (3) in the air pipe (14) is provided with the gas control one-way valve (4) that prevents water outlet moving water pump inside of refluence air intake when wind-driven water pump quits work.
9. aqueous vapor oil according to claim 8 merges discharger, it is characterized in that: described aqueous vapor oil merges discharger and is arranged with casing (15) outward, and described casing (15) is fixedlyed connected with the outer wall of wind-driven water pump.
10. merge discharger according to claim 7 or 8 described aqueous vapor oil, it is characterized in that: described gas control one-way valve (4) comprises tubular valve body (10) and is used for the end cap (11) of shutoff tubular valve body (10) mouth of pipe, offer exhaust port (5) on the valve body (10), the spool (6) of energy closed grate hole (5) is housed in the valve body (10), between spool (6) and end cap (11) Returnning spring (12) is housed.
CN2011201682724U 2011-05-24 2011-05-24 Merging discharge device for water, gas and oil Expired - Lifetime CN202073733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201682724U CN202073733U (en) 2011-05-24 2011-05-24 Merging discharge device for water, gas and oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201682724U CN202073733U (en) 2011-05-24 2011-05-24 Merging discharge device for water, gas and oil

Publications (1)

Publication Number Publication Date
CN202073733U true CN202073733U (en) 2011-12-14

Family

ID=45111837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201682724U Expired - Lifetime CN202073733U (en) 2011-05-24 2011-05-24 Merging discharge device for water, gas and oil

Country Status (1)

Country Link
CN (1) CN202073733U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230458A (en) * 2011-05-24 2011-11-02 常州市和平工矿设备厂 Water, gas and oil combined discharge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230458A (en) * 2011-05-24 2011-11-02 常州市和平工矿设备厂 Water, gas and oil combined discharge device
CN102230458B (en) * 2011-05-24 2012-12-19 常州市和平工矿设备厂 Water, gas and oil combined discharge device

Similar Documents

Publication Publication Date Title
CN201148879Y (en) Mash gas pumping and draining pipeline automatic slag discharging drainage device
CN107059994A (en) A kind of cascade pumping station of two-way water delivery and the design structure of pipeline
CN206206294U (en) A kind of the siphon priming device
CN2869392Y (en) Vertical self-priming pump
CN202073733U (en) Merging discharge device for water, gas and oil
CN104763878A (en) Water sealing fire retardance explosion venting device
CN208309686U (en) A kind of air valve protecting water hammer device
CN103573288B (en) A kind of pneumatic negative pressure drainage device
CN102230458B (en) Water, gas and oil combined discharge device
CN202441640U (en) Pump station air inlet/outlet valve type self-sealing water tank filling equipment
CN204239221U (en) The outer arranging device of a kind of pump house ponding
CN203131054U (en) Cutoff device
CN202732071U (en) Inflow-prevention device of automobile exhaust pipe
CN106195414B (en) A kind of composite exhaust valve with buffer unit
CN203161285U (en) Integrated automatically-controlled water drainage device of gas drainage pipeline
CN202484515U (en) Protective device for forward water hammer
CN203940102U (en) Anti-blocking Combined sewage drain valve
CN202530430U (en) Quick gate with small built-in flap valve
CN202021329U (en) Novel fast discharging system of die casting machine
CN201851150U (en) Drainage device of gas extraction and drainage pipe
CN206159618U (en) Combined type exhaust valve with buffer
CN205557765U (en) Water tank siphon destructor
CN101586583A (en) Pumping device without power
CN203531958U (en) Pneumatic negative pressure water discharge device
CN202954958U (en) Recovering device for return sealing water of water feeding pumps

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20111214

Effective date of abandoning: 20130227

RGAV Abandon patent right to avoid regrant