CN201251005Y

CN201251005Y - Automatic detecting and discharging device of leakage liquid for explosive gas work environment

Info

Publication number: CN201251005Y
Application number: CNU2008200909245U
Authority: CN
Inventors: 李峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-18
Filing date: 2008-09-18
Publication date: 2009-06-03
Anticipated expiration: 2018-09-18

Abstract

An automatic detecting and discharging device of leakage liquid for explosive gas work environment relates to a hydrogen-cooled turbogenerator and a liquid level monitoring and controlling device of leakage liquid of other large-scale machines with explosive gas, and solves the problems of lower accuracy and worse security degree of leakage liquid which is manually discharged by a large-scale machine which works under explosive gas environment. A body connecting hole and a leakage liquid connecting hole are arranged on a casing, wherein two ends of the body connecting hole and the leakage liquid connecting hole are respectively communicated with outside and the internal portion of the casing, the lower end of the casing is provided with a scavenge port, a hand-operated valve is arranged on the scavenge port, a floater is arranged in the casing, a magnetic steel is arranged on the top end of the floater, the upper end of the casing is fixedly connected with the lower end of an inversed concave casing, the bottleneck of the upper end of the casing is arranged in a groove of the inversed concave casing in a projecting way, and a micro switch is arranged in the inversed concave casing. The automatic detecting and discharging device of leakage liquid for explosive gas work environment has higher accuracy and better security, which improves the assurance coefficient and the service span of the automatic detecting and discharging device.

Description

The seepage liquid that is used for the explosion hazard gases working environment detects and tapping equipment automatically

Technical field

The utility model relates to the liquid level of seepage liquid that a kind of hydrogen and other have the big machinery of explosion hazard gases and monitors and control gear, belongs to the big machinery field of explosion-proof security.

Background technique

Hydrogen-cooled turbine generator and other big machinery of working under explosive atmosphere need use oiling agents such as machine oil between each parts, leak out because of the extruding between the parts and in operation process, have a certain amount of oiling agent, traditional method is at internal body a seepage liquid working area to be installed, and regularly by the staff seepage liquid is discharged.Because the restriction of people's working accuracy, discharging seepage liquid can not strict be undertaken by the working state of body, and the effusion scale of construction too much can cause internal body pressure to increase, and can cause body cisco unity malfunction and operating life to reduce.

The model utility content

The low and relatively poor problem of safety rate of degree of accuracy that the utility model exists during for the seepage liquid of the big machinery that solves existing artificial discharge and work under explosive atmosphere provides a kind of seepage liquid that is used for the explosion hazard gases working environment to detect automatically and tapping equipment.The utility model comprises housing, magnet steel, sensitive switch, float and inverted concave cover body, housing is provided with body connection mouth and seepage liquid connection mouth, the two ends of body connection mouth and seepage liquid connection mouth all are connected with extraneous and enclosure interior respectively, the lower end of housing is provided with outfall, outfall is provided with manually-operated gate, float is arranged on the inside of housing, magnet steel is arranged on the top of float, fixedly connected with the lower end of inverted concave cover body in the upper end of housing, the bottleneck projection of housing upper end is arranged in the groove of inverted concave cover body, sensitive switch is arranged on inverted concave cover body inside, and float is subjected to buoyancy to rise to operational height can to make magnet steel that sensitive switch is produced magnetic force.

Beneficial effect: the utility model adopts sensitive switch and float that the effusion scale of construction is monitored and controlled, have the higher and Security of accuracy characteristics preferably, can be according to the discharging of effusion scale of construction synchronization control, the safety coefficient and the working life of having improved the equipment body.

Description of drawings

Fig. 1 is an overall structure schematic representation of the present utility model, and Fig. 2 is a mounting structure schematic representation of the present utility model.

Embodiment

Embodiment one: referring to Fig. 1 and Fig. 2, present embodiment is by housing 1, magnet steel 4, sensitive switch 5, float 7 and inverted concave cover body 8 are formed, housing 1 is provided with body connection mouth 1-1 and seepage liquid connection mouth 1-2, the two ends of body connection mouth 1-1 and seepage liquid connection mouth 1-2 all are connected with extraneous and housing 1 inside respectively, the lower end of housing 1 is provided with outfall 1-3, outfall 1-3 is provided with manually-operated gate, float 7 is arranged on the inside of housing 1, magnet steel 4 is arranged on the top of float 7, fixedly connected with the lower end of inverted concave cover body 8 in the upper end of housing 1, the bottleneck projection 1-4 of housing 1 upper end is arranged in the groove of inverted concave cover body 8, sensitive switch 5 is arranged on inverted concave cover body 8 inside, and float 7 is subjected to buoyancy to rise to operational height can make 4 pairs of sensitive switches of magnet steel, 5 generation magnetic force.

The described sensitive switch 5 of present embodiment can adopt the Omron sensitive switch of Z-15GW22-B type or other model, and its contact rating is AC220V-6A; Described magnet steel 4 is a permanent-magnet steel; Described float 7 adopts the plastics equidensity less than general liquid and etch-proof made; Housing 1 should perpendicular to the groundly be installed, carry out simulation test with the container that liquid (oil or water) is housed before installing, as when controlling liquid level and not meeting usage requirement, can suitably regulate the mounting point of sensitive switch 5, when making housing 1 interior liquid level height reach operational height, magnet steel 4 enters among the bottleneck projection 1-4 of housing 1 upper end, and just sensitive switch 5 is produced magnetic force, and promptly magnet steel 4 is by magnetic circuit and sensitive switch 5 interlocks; This device should note avoiding suffering the weight bump, or sharp pounding, and avoids ferromagnetic substance approaching, in order to avoid cause misoperation; The scope of control liquid level is 30～50mm, and nominal pressure is smaller or equal to 0.7Mpa, and working medium is water, oil or its mixture, and medium temperature is less than 70 ℃.

During use body connection mouth 1-1 is connected with the air chamber of body and equates to keep-up pressure, seepage liquid connection mouth 1-2 is connected with body seepage liquid row mouth, and seepage liquid connection mouth 1-2 should be greater than the distance of rated liquid level height distance housing 1 bottom apart from the distance of housing 1 bottom; Float 7 come-ups when certain amount of fluid (oil or water) is accumulated in housing 1 inside, when float 7 reaches operational height, magnet steel 4 makes sensitive switch 5 actions by magnetic force, send signal and open the manually-operated gate discharging seepage liquid of outfall 1-3 by the staff, after the seepage fluid discharge, float 7 falls by deadweight, discharges sensitive switch 5, and the staff stops to discharge seepage liquid according to the manually-operated gate of signal at stop outfall 1-3.

Embodiment two: referring to Fig. 1, present embodiment has increased inspection hole 6 on the basis of embodiment one, and inspection hole 6 is arranged on the outer wall of housing 1, and two connecting ports of inspection hole 6 are connected with the inside of housing 1 respectively.

Inspection hole 6 is convenient to the staff checks the effusion scale of construction in the housing 1 at any time in the regular maintenance process, also can shut down when safeguarding at this device and manually discharge seepage liquid according to safety standard.

Embodiment three: present embodiment further defines described housing 1 and is all-sealed structure on the basis of embodiment one.

Housing 1 adopts all-sealed structure, enters its inner liquids and gases and is isolated from the outside fully, makes this device have good explosion-proof performance, the influence that strenuous vibration brings when preventing the body operation.

Embodiment four: present embodiment further defines described inverted concave cover body 8 and is hermetically sealed magnetic shielding structure on the basis of embodiment one.

Big machinery is inner standing to be equipped with winding coil or other has the parts of magnetic, the degree of accuracy that in use influences sensitive switch 5 easily causes misoperation, hermetically sealed magnetic shielding structure not only can also can prevent the influence that strenuous vibration brings every magnetic, the safe operation of assurance device, the explosive-proof grade of cover body 8 is for can reach IP55.

Embodiment five: referring to Fig. 1, present embodiment has increased sealing lead collar 2 and tenminal block 3 on the basis of embodiment one, sealing lead collar 2 is arranged on the outer wall of inverted concave cover body 8, tenminal block 3 is arranged on inverted concave cover body 8 inside, the signal input part of tenminal block 3 is connected with the signal output part of sensitive switch 5, the signal output part of tenminal block 3 is connected with the terminal of sealing lead collar 2, and the outlet terminal of sealing lead collar 2 is connected with the external world.

The connecting line of transmission signal is taked the sealed department line structure, can prevent that connecting line from by oil or other liquid corrosion, improving the working life of device.

Content of the present utility model is not limited only to the content of above-mentioned each embodiment, and the combination of one of them or several embodiments can realize the purpose of the invention equally.

Claims

1, the seepage liquid that is used for the explosion hazard gases working environment detects and tapping equipment automatically, it is characterized in that it comprises housing (1), magnet steel (4), sensitive switch (5), float (7) and inverted concave cover body (8), housing (1) is provided with body connection mouth (1-1) and seepage liquid connection mouth (1-2), the two ends of body connection mouth (1-1) and seepage liquid connection mouth (1-2) all are connected with extraneous and housing (1) inside respectively, the lower end of housing (1) is provided with outfall (1-3), outfall (1-3) is provided with manually-operated gate, float (7) is arranged on the inside of housing (1), magnet steel (4) is arranged on the top of float (7), fixedly connected with the lower end of inverted concave cover body (8) in the upper end of housing (1), the bottleneck projection (1-4) of housing (1) upper end is arranged in the groove of inverted concave cover body (8), sensitive switch (5) is arranged on inverted concave cover body (8) inside, and float (7) is subjected to buoyancy to rise to operational height can to make magnet steel (4) that sensitive switch (5) is produced magnetic force.

2, the seepage liquid that is used for the explosion hazard gases working environment according to claim 1 detects and tapping equipment automatically, it is characterized in that it has increased inspection hole (6), and inspection hole (6) is arranged on the outer wall of housing (1).

3, the seepage liquid that is used for the explosion hazard gases working environment according to claim 1 detects and tapping equipment automatically, it is characterized in that described housing (1) is an all-sealed structure.

4, the seepage liquid that is used for the explosion hazard gases working environment according to claim 1 detects and tapping equipment automatically, it is characterized in that described inverted concave cover body (8) is hermetically sealed magnetic shielding structure.

5, the seepage liquid that is used for the explosion hazard gases working environment according to claim 1 detects and tapping equipment automatically, it is characterized in that it has increased sealing lead collar (2) and tenminal block (3), sealing lead collar (2) is arranged on the outer wall of inverted concave cover body (8), tenminal block (3) is arranged on inverted concave cover body (8) inside, the signal input part of tenminal block (3) is connected with the signal output part of sensitive switch (5), the signal output part of tenminal block (3) is connected with the terminal of sealing lead collar (2), and the outlet terminal of sealing lead collar (2) is connected with the external world.