CN201177161Y

CN201177161Y - Water-saving water-sealing leakage-proof coal gas condensation water drainer

Info

Publication number: CN201177161Y
Application number: CNU2007201589697U
Authority: CN
Inventors: 李增辉; 张继
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-28
Filing date: 2007-12-28
Publication date: 2009-01-07
Anticipated expiration: 2017-12-28

Abstract

The utility model provides a water saving water sealing maintaining leakage prevention coal gas condensation water drainer, which is characterized in that a partition board (20) which is arranged inside a housing (21) divides the housing (21) into a primary water sealing chamber (10) and a secondary water sealing chamber (18). A float chamber (2) is arranged inside the main water sealing chamber (10). A float bowl valve core (3), a guiding locating filter screen (4), a screen plate (5) and a valve base water outlet pipe (8) are arranged inside the float chamber (2). The top of the float chamber (2) is provided with a cushioning stopping block (13). An air outlet (14) is arranged outside the float chamber (2). The upper part of the main water sealing chamber (10) is provided with a water inlet pipe (1). The lower part of the main water sealing chamber (10) is provided with a drain opening (11). The lower part of the water inlet pipe (1) is provided with a separating chamber (6) and a residue storage chamber (7). A residue discharging opening (9) is arranged on the residue storage chamber (7). The water drainer has the advantages that the water drainer prevents residue blockage, the water sealing height is ensured, the leakage is prevented instantly when the coal gas pressure is excessive, the water is automatically compensated and saved, and the water drainer normally works at different pressures.

Description

Water conservation and moisture-holding envelope anti-leakage gas condensed water hydathode

Technical field

The utility model relates to the water discharge technology of the condensed water that produces in the gas pipe line gas transmission process, and particularly a kind of separable gas, water, slag need not moisturizing, guarantee water seal height, can be when the coal gas overvoltage, instantaneous prevention gas leakage can be at the hydathode of proper functioning under the different pressures.

Background technique

In enterprise's coal gas gas transmission pipeline net work, along with coal gas constantly cooling in course of conveying, a large amount of condensed water and the chemical corrosivity melt cinders of inevitable generation in pipeline, at present extensively the hydathode that adopts is according to the gas pipe line pressure design, the hydathode water seal height, and the hydathode working room is divided into main water tight compartment or a plurality of secondary water tight compartment is formed, every day uninterrupted inspection and moisturizing, utilize water seal height, prevent the leakage of coal gas, condensed water is discharged through the drain opening overflow simultaneously.The normal discharge device has following shortcoming and hidden danger:

1. gas pipe line supply gas pressure shakiness, when pressure surpassed the water seal restriction, high pressure gas extruded water seal water, causes gas leakage, directly threatens personal safety, influence the coal gas regular supply, even caused enterprise's stopping production.

2. untimely because of moisturizing, the water seal drawdown, overvoltage coal gas punctures water seal, causes gas leakage, as a large amount of moisturizings every day, has increased labor intensity, and cost increases, waste water resource, befouling environment.

3. hydathode because of the steam line pressure surge is big, can not guarantee main chamber's water seal height, because of the coal gas overvoltage in running at present, the coal gas that remains in main water tight compartment can't be discharged, and is to water seal height is descended, uncontrollable, can't check that the height of water seal can't guarantee, leaks and just must take place.

4. at present hydathode is steel plate and makes, and is subjected to for a long time that acid ingredient corrodes in the condensed fluid, and hydathode is prone to corrosion leakage, causes drawdown in the hydathode, and coal gas punctures water seal and leaks in a large number.

In addition, China Patent No. 200420034909.0, China Patent No. 200620024039.7, China Patent No. 200520093626.8 and China Patent No. 02215178.8 all are the hydathodes of leakage preventer, optimized hydathode anti-leak function to a certain extent, but they all have a common drawback, be exactly leakage preventer all design and installation at the afterbody of hydathode drainage flow path.Leakage preventer can not leak at coal gas overvoltage very first time blocking-up coal gas, but wait overvoltage coal gas to puncture the leakage of just blocking coal gas after the water seal, the coal gas that remains in main water tight compartment is under the situation of can not arranging, the height of water seal is reduced, thereby causing low-pressure gas to puncture water seal once more leaks, if handle the untimely gas quality that influences, condensed water stops up steam line influence production when serious, or because coal gas band water causes explosive accident.

The model utility content

The present utility model purpose is to overcome the shortcoming of above-mentioned hydathode, solve the easy breakdown leakage of traditional hydathode, waste water, manage difficulty, heavy-polluted shortcoming and defect, and provide a kind of separable gas, water, slag, need not moisturizing, guarantee water seal height, moment stops gas leakage when the coal gas overvoltage, can be under the pressure of fluctuation water conservation envelope, water saving, the anti-leakage gas condensed water hydathode of proper functioning.The realization the technical solution of the utility model is: the utility model includes intake pipe, steam tube, relief opening, water filling hole, outer spill pipe, interior spill pipe, housing, pollutant exhaust hole and warning board, it is characterized in that in housing, being provided with dividing plate housing is separated into main water tight compartment and secondary water tight compartment, the height of water seal is according to the gas pipe line pressure design, in the main water tight compartment float chamber is set, be provided with the floating drum spool in the float chamber, the guide-localization filter screen, filter plate and valve seat outlet pipe, the other end of valve seat outlet pipe is located in the main water tight compartment, float chamber's inner top is provided with the buffering block, relief opening is set outside the float chamber, the top of main water tight compartment is provided with intake pipe, the bottom of main water tight compartment is provided with sewage draining exit, the bottom of intake pipe is provided with separation chamber and object-catching chamber, and object-catching chamber is provided with slag exhausting mouth.

The utility model compared with prior art has antifouling slag and stops up, water conservation envelope height, and automatic water supplement and water saving, the advantage of proper functioning under different pressures are leaked in coal gas overvoltage moment prevention.

Description of drawings

Accompanying drawing is this practical structural representation.

Among the figure, 1, intake pipe, 2, the float chamber, 3, the floating drum spool, 4, guide-localization filter screen, 5, filter plate, 6, the separation chamber, 7, object-catching chamber, 8, valve seat outlet pipe, 9, slag exhausting mouth, 10, main water tight compartment, 11, sewage draining exit, 12, outlet valve, 13, the buffering block, 14, relief opening, 15, steam tube, 16, water filling hole, 17, outer spill pipe, 18, secondary water tight compartment, 19, interior spill pipe, 20, dividing plate, 21, housing, 22, pollutant exhaust hole, 23, the warning board.

Embodiment

By embodiment embodiment is described below in conjunction with accompanying drawing; The utility model includes intake pipe 1, steam tube 15, water filling hole 16, outer spill pipe 17, interior spill pipe 19, housing 21, pollutant exhaust hole 22 and warning board 23 as shown in drawings.It is characterized in that being provided with in the housing 21 dividing plate 20 housing 21 is separated into main water tight compartment 10 and secondary water tight compartment 18, the height of water seal is according to the gas pipe line pressure design, in the main water tight compartment 10 float chamber 2 is set, be provided with floating drum spool 3 in the float chamber 2, guide-localization filter screen 4, filter plate 5 and valve seat outlet pipe 8, the other end of valve seat outlet pipe 8 is located in the main water tight compartment 10, float chamber's 2 inner tops are provided with buffering block 13, float chamber's 2 outer relief openings 14 that are provided with, the top of main water tight compartment 10 is provided with intake pipe 1, the bottom of main water tight compartment 10 is provided with sewage draining exit 11, the bottom of intake pipe 1 is provided with separation chamber 6 and object-catching chamber 7, and object-catching chamber 7 is provided with slag exhausting mouth 9.

Working principle of the present utility model and function are as follows: the utility model is installed in the gas pipe line bottom, by intake pipe 1 unicom pipeline to the separation chamber 6, open housing 21 top outlet valves 12 and relief opening 14 earlier, then from water injection hole 16 water fillings, stop water filling after outer spill pipe 17 water outlets, this moment separation chamber 6, float chamber 3, the water seal height of main water tight compartment 10 and secondary water tight compartment 18 is the same, close outlet valve 12 and relief opening 14 then, at this moment floating drum spool 3 and positioning and guiding filter screen 4 float, guarantee unimpeded from inlet water to outlet water. the valve of opening intake pipe 1 then makes hydathode and gas pipe line UNICOM, the beginning drainage works, condensed water enters into separation chamber 6 from intake pipe 1, because the condensed water that gets off from gas pipe line contains the residue that a large amount of dirty slags and corrosivity slag liquid and installation and maintenance are left over, and carries out gas in separation chamber 6. water, slag separates.Sink to object-catching chamber 7 through the dirty slag in the condensed water of separation chamber 6, slag liquid can be discharged through slag exhausting mouth 9 when patrolling slag at any time. and the available dedicated pipeline is discharged, and also can dock discharge temporarily, focuses on after the collection, reduces environmental pollution.Prevented of the obstruction of dirty slag to hydathode, reduced and stopped the equipment slag number of times of removing contamination, can save a large amount of manpowers, material resources. coal gas returns gas pipeline, separated condensed water enters float chamber 2 by filter plate 5, and this moment, keg float chamber 2 was consistent with gas pipe line pressure. and keg float spool 3, the directed filter screen 4 of locating float according to water seal height, keg float spool 3 is provided with certain distance with valve seat waste pipe 8, and condensed water is under the assurance of the water seal height of main water tight compartment 10, secondary water tight compartment 18.The normal condensed water of discharging.When coal gas air supply system pressure is excessive, force water seal to descend, floating drum spool 3 also descends thereupon, float valve cuts out when dropping to certain distance. and moment stops coal gas to puncture water seal to leak, continue to have a large amount of condensed waters to discharge under in high-pressure situations, floating drum spool 3 restriction that is not stressed, floating drum spool 3 rises according to water level and floats, under high-pressure situations, discharge condensed water automatically, and can not destroy water seal.After the system recovery normal pressure, hydathode is destroyed because of water seal does not have, and floating drum spool 3 also keeps consistent hydathode with the water seal line to continue proper functioning.Floating drum spool 3 can descend according to water seal height when system condensing water reduces, and is no more than keg float spool 3 to valve seat waste pipe 8 at most and sets the distance of closing hydathode, has stopped to wear because of the water weak breath is multi-hit the water seal leakage phenomenon.When slowly increasing Deng the gas pipe line condensed water, floating drum spool 3 recovers water seal height and continues proper functioning.Under the air supply system normal pressure, separated condensed water is through filter plate 5, flow into float valve chamber 2, condensed water through orientation location filter screen 4, the slag liquid precipitate is to object-catching chamber 7, the condensed water that purifies is by valve seat outlet pipe 8, enter main water tight compartment 10, mode master's water tight compartment 10 with overflow is discharged to secondary water tight compartment 18 with condensed water through interior spill pipe 19, and then, condensed water is discharged hydathode through outer spill pipe 17, and finish drainage procedure. as shown in the figure: hydathode housing 21 usefulness general steel plates are made, and separation chamber 6. object-catching chamber 7. float chambers, 2. valve seat outlet pipes, 8 usefulness corrosion-resistant stainless steels are made, and it is poor to have formed material corrosion.Mashed saturating when hydathode housing 21 because of corrosion all the year round, make main water tight compartment 10 and secondary water tight compartment 18 drawdown, water seal height is destroyed, and keg float spool 3 is also closed thereupon, has blocked gas leakage.Prevent that the aging of equipment from bringing gas leakage, the board 23 of reporting to the police this moment erects, and reminds staff's on-call maintenance, more exchange device.

Claims

1. a water conservation and moisture-holding seals anti-leakage gas condensed water hydathode, include intake pipe (1), steam tube (15), water filling hole (16), outer spill pipe (17), interior spill pipe (19), housing (21), pollutant exhaust hole (22) and warning board (23), it is characterized in that in housing (21), being provided with dividing plate (20) housing (21) is separated into main water tight compartment (10) and secondary water tight compartment (18), float chamber (2) is set in the main water tight compartment (10), be provided with floating drum spool (3) in the float chamber (2), guide-localization filter screen (4), filter plate (5) and valve seat outlet pipe (8), the other end of valve seat outlet pipe (8) is located in the main water tight compartment (10), float chamber (2) inner top is provided with buffering block (13), the outer relief opening (14) that is provided with in float chamber (2), the top of main water tight compartment (10) is provided with intake pipe (1), the bottom of main water tight compartment (10) is provided with sewage draining exit (11), the bottom of intake pipe (1) is provided with separation chamber (6) and object-catching chamber (7), and object-catching chamber (7) is provided with slag exhausting mouth (9).