CN100381752C

CN100381752C - Full automatic self pressure water filling device for boiler

Info

Publication number: CN100381752C
Application number: CNB2006100518707A
Authority: CN
Inventors: 陈光焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-06-05
Filing date: 2006-06-05
Publication date: 2008-04-16
Anticipated expiration: 2026-06-05
Also published as: CN1858490A

Abstract

The present invention relates to a full automatic self pressure water filling device for boilers. A box body is divided into two parts by a fixed plate, wherein the lower part is provided with a water storing box, and the middle of the upper part is provided with a steam cylinder. Both sides of the steam cylinder are provided with oil storing cylinders and work water tubes, and a connecting passage of the oil storing cylinders and the work water tubes is arranged at the bottom. The upper part of the left oil storing cylinder is communicated with the lower part of the steam cylinder by an oil guiding tube, and the upper part of the right oil storing cylinder is communicated with the upper part of the steam cylinder. A steam inner tube opens onto the work water tubes, a two-opening and two-closing switching electromagnetic valve is connected between the steam inner tube and a high pressure steam tube, the upper part of the water storing box is connected with a running water tube, and the middle of the water storing box is provided with a water filling cylinder. A small piston in the steam cylinder is connected with a big piston in the water filling cylinder, the upper and the lower parts of one side of the water filling cylinder is provided with a water inlet check valve, the upper and the lower parts of the other side of the water filling cylinder is provided with a water filling check valve, the water filling check valve is connected with a water filling tube, and the back face of the two-opening and two-closing switching electromagnetic valve is connected with a work steam recovering tube which opens onto the water storing box. No matter how high is the water temperature of water which is filled and how high is the pressure in a boiler, water is filled in the boiler. No matter how high the temperature of filled water is and how high the pressure in a boiler is, water is filled in the boiler.

Description

Full automatic self pressure water filling device for boiler

One, technical field

The present invention relates to a kind of boiler fills device, refer in particular to a kind of boiler fills utensil that need not motor, high-pressure pump.

Two, background technology

At present, boiler fills all is to rely on motor, water pump to boiler fills, and high-pressure boiler especially must just can be finished by heavy-duty motor and high-pressure hydraulic pump and adds water.So not only decreased motor but also power consumption, and when particularly running into added water water temperature, just be difficult to water is added above 40 ℃.The applicant once designed a kind of " condensed water melts down the steam self pressure water filling device " (ZL200420005270.3, open day: 2005.3.9), one casing is divided into two places, one place is a storage tank, place and add water pot at another place, storage tank steam-out (SO) iron steam water filter condensing water conduit and condensed water check-valves and running water pipe and running water control ball valve, storage tank and add and be connected with blower line between the water pot upper part and often drive solenoid electric valve No. three, be connected with water inlet pipe and water inlet check-valves between the following position, add the water pot upper part and be connected with steam inlet pipe and normally closed solenoid electric valve that is connected with the boiler gland steam exhauster, following position is connected with filler pipe and No. two normally closed solenoid electric valves that are connected with the boiler fills mouth, a normally closed solenoid electric valve, No. two normally closed solenoid electric valves, often drive solenoid electric valve for No. three and connect power line.It need not high-pressure pump, and no matter the many height of boiler internal pressure also can easily add water in the stove.But find that in actual use the phenomenon of waste is arranged as the vapour source of the usefulness of power.

Three, summary of the invention

The object of the present invention is to provide a kind of full automatic self pressure water filling device for boiler, how high the water water temperature no matter it is added is, how high furnace pressure is, equally water added boiler.

For achieving the above object, the solution that the invention is taked is: a kind of full automatic self pressure water filling device for boiler, one casing is divided into two parts with fixed head, the bottom is divided into storage tank, place the steam cylinder in the middle of the top, steam cylinder the right and left all is placed with oil storage cylinder and work water pipe from inside to outside, the interface channel of oil storage cylinder and work water pipe is located at the bottom, the oil storage cylinder on the left side is communicated with its top with oil guide pipe with steam cylinder bottom, the oil storage cylinder top on the right is communicated with steam cylinder top, pipe leads to the work water pipe in the steam, connect two in the steam between pipe and the high-pressure steam pipe and open two pass conversion electromagnetic valves, storage tank top connects running water pipe, place in the middle of the storage tank and add the aqueous vapor cylinder, in the steam cylinder valve piston with add the aqueous vapor cylinder in big piston be connected, add that aqueous vapor cylinder one side is equipped with into the water check-valves up and down and opposite side is equipped with up and down and adds Water Check Valve, add Water Check Valve and connect filler pipe, two open two closes the conversion electromagnetic valve back and connects the working steam recovery tube and lead to storage tank.

Operation principle is summarized as follows: water controller is placed on the boiler water bit line.When needing to add water in the boiler, opening power, two open two closes conversion electromagnetic valves and carries out the open and close conversion, and with the method for discharged steam (steam source directly the comes from boiler) operation power as the steam cylinder, the steam that is discharged enters the storage tank recycling by the working steam recovery tube.Work water pipe and oil storage cylinder are set, steam power is become hydraulic oil thrust, the steam cylinder has been avoided steam, prevents that the steam cylinder is heated and makes it locate cold conditions forever, makes in the steam cylinder valve piston maintain wearing and tearing lubricated and that alleviate valve piston.Twitching back and forth of valve piston drives the twitch back and forth that adds big piston in the aqueous vapor cylinder in the steam cylinder, because adding aqueous vapor cylinder both sides is provided with the water inlet check-valves up and down respectively and adds Water Check Valve, add the twitch back and forth of big piston in the aqueous vapor cylinder, when pressure reach with boiler in during with equal pressure, hydraulic pressure is gone in the boiler, because the heavy vapour light-water of water descends naturally, moreover the steam of high temperature and water bump cancellation pressure, therefore how high the water water temperature that no matter is added is, how high furnace pressure is, equally water added boiler.

Four, description of drawings

Fig. 1 is the structural representation of present embodiment.

Among the figure: 1, high-pressure steam pipe, 2, hang down to press and to add water drum, 3, casing, 4, two open two closes conversion electromagnetic valves, 5, pipe in the steam, 6, the work water pipe, 7, oil storage cylinder, 8, oil guide pipe, 9, steam cylinder, 10, the working steam recovery tube, 11, fixed head, 12, running water pipe, 13, water inlet check-valves, 14, add Water Check Valve, 15, add the aqueous vapor cylinder, 16, filler pipe, 17, storage tank, 18, valve piston, 19, big piston, 20, boiler, 21, the boiler feed water check-valves.

Five, the specific embodiment

Below in conjunction with embodiment and accompanying drawing thereof the good effect of the present invention and generation thereof is remake description.

Referring to Fig. 1, a kind of full automatic self pressure water filling device for boiler, one casing, 3 usefulness fixed heads 11 are divided into two parts, the bottom is divided into storage tank 17, place steam cylinder 9 in the middle of the top, steam cylinder 9 the right and lefts all are placed with oil storage cylinder 7 and work water pipe 6 from inside to outside, the interface channel of oil storage cylinder 7 and work water pipe 6 is located at the bottom, the oil storage cylinder 7 usefulness oil guide pipes 8 on the left side are communicated with its top with steam cylinder 9 bottoms, oil storage cylinder 7 tops on the right are communicated with steam cylinder 9 tops, pipe 5 leads to work water pipe 6 in the steam, connect two in the steam between pipe 5 and the high-pressure steam pipe 1 and open two pass conversion electromagnetic valves 4, storage tank 17 tops connect running water pipe 12, place in the middle of the storage tank 17 and add aqueous vapor cylinder 15, in the steam cylinder 9 valve piston 18 with add aqueous vapor cylinder 15 in big piston 19 be connected, add that aqueous vapor cylinder 15 1 sides are equipped with into water check-valves 13 up and down and opposite side is equipped with up and down and adds Water Check Valve 14, adding Water Check Valve 14 connects filler pipe 16, two and opens two and close conversion electromagnetic valve 4 back and connect working steam recovery tube 10 and lead to storage tank 17.

Referring to Fig. 1, filler pipe 16 connects the pressure of hanging down and adds water drum 2, and vertical pressure adds water drum 2 bottoms and connects boiler feed water check-valves 21.The pressure of hanging down being set adding water drum 2, need not whole water controller is placed on the waterline of boiler 20, as long as hang down to press add on the waterline that water drum 2 bottoms are higher than boiler 20 just passable, when hang down to press add reach in the water drum 2 with boiler 20 in during with equal pressure, because heavy the hanging down of vapour light-water pressed the pressure at right angle that adds water drum 2 in addition, boiler feed water check-valves 21 promptly is opened, and water is added in the boiler 20.

Referring to Fig. 1, the volume that adds aqueous vapor cylinder 15, helps continuing to add water more than five times greater than the volume of steam cylinder 9, has avoided traditional compartmented defective that water brings pressure drop vapour pressure shakiness that adds, and can avoid waste of steam effectively.

Referring to Fig. 1, open conversion electromagnetic valve 4 next doors, two passes two and install manually-operated gate additional, also can add water even have a power failure, avoided just need adding in the stove the nervous situation that water comes up against power failure.

Claims

1. full automatic self pressure water filling device for boiler, it is characterized in that: a casing (3) is divided into two parts with fixed head (11), the bottom is divided into storage tank (17), place steam cylinder (9) in the middle of the top, steam cylinder (9) the right and left all is placed with oil storage cylinder (7) and work water pipe (6) from inside to outside, the interface channel of oil storage cylinder (7) and work water pipe (6) is located at the bottom, the oil storage cylinder on the left side (7) is communicated with its top with oil guide pipe (8) with steam cylinder (9) bottom, oil storage cylinder (7) top on the right is communicated with steam cylinder (9) top, pipe (5) leads to work water pipe (6) in the steam, connect two in the steam between pipe (5) and the high-pressure steam pipe (1) and open two pass conversion electromagnetic valves (4), storage tank (17) top connects running water pipe (12), place in the middle of the storage tank (17) and add aqueous vapor cylinder (15), in the steam cylinder (9) valve piston (18) with add the middle big piston (19) of aqueous vapor cylinder (15) and be connected, add that aqueous vapor cylinder (15) one sides are equipped with into water check-valves (13) up and down and opposite side is equipped with up and down and adds Water Check Valve (14), add Water Check Valve (14) and connect filler pipe (16), two open two closes conversion electromagnetic valve (4) back and connects working steam recovery tube (10) and lead to storage tank (17), filler pipe (16) connects the pressure of hanging down and adds water drum (2), and vertical pressure adds water drum (2) bottom and connects boiler feed water check-valves (21).

2. according to right 1 described full automatic self pressure water filling device for boiler, it is characterized in that: the volume that adds aqueous vapor cylinder (15) is greater than five times of the volumes of steam cylinder (9).

3. according to right 1 described full automatic self pressure water filling device for boiler, it is characterized in that: open two pass conversion electromagnetic valve (4) next doors two and install manually-operated gate additional.