CN2384163Y - Scale remover for gas-burning water heater - Google Patents

Abstract

The utility model provides a water scale removing device for a gas water heater, which comprises a bottle body, a bottle cover which is matched with the bottle body, and a pump head which is matched with the bottle cover, wherein, a liquid return hole and a liquid return pipe which is matched with the liquid return hole are arranged on the bottle body. The utility model has the advantages of simple structure, convenient operation, no need of the disassembly of the water heater, full utilization of descaling liquid, good descaling effects, no drippage and leakage, and no damage to other parts of the water heater, and is applied to varieties types of gas water heaters.

Description

Gas heater incrustation scale scavenge unit

The utility model relates to a kind of incrustation scale scavenge unit, particularly relates to a kind of gas heater incrustation scale scavenge unit.

Water heater can generate incrustation scale after using a period of time, thereby stops up outlet pipe, and it is heavy to influence water outlet, also can increase the water heater energy consumption simultaneously.Clean water heater at present and generally adopt two kinds of methods, the first is taken off water heater, and is inverted, and with funnel scale remover is poured in the heat-exchange tube of water heater from water inlet pipe or outlet pipe then, reaches the cleaning purpose.The operation of this method is very inconvenient, and cleaning mixture easily overflows, and can damage other parts.It two is that a threeway is installed on the heater inleting pipe, is respectively applied for to connect running water pipe and cleaning mixture pipe, opens water tap during use, rely on running water to flow and make the cleaning mixture pipe produce negative pressure, cleaning mixture is sucked, in threeway enters water heater, get rid of from outlet pipe again.Though this device is simple, but when hydraulic pressure is less from the beginning, scale remover can not be brought in the water heater, promptly be cleaning mixture can be brought into, because running water mixes with cleaning mixture, cleaning mixture concentration is reduced, influence descale effect, moreover cleaning mixture time of staying in the water heater heat-exchange tube is short, descale effect is poor, and the cleaning mixture waste is big.

The purpose of this utility model is to provide a kind of use very convenient, the gas heater incrustation scale scavenge unit of features high scale-removing effect.

The utility model gas heater incrustation scale scavenge unit is to realize like this, it comprises bottle, bottle cap that cooperates with bottle and the pump head that cooperates with bottle cap, have hole for back flow on the bottle, and the liquid back pipe that cooperates with hole for back flow is installed, the diameter of hole for back flow should be slightly larger than the liquid back pipe external diameter, to be advisable greater than 1 millimeter, avoid causing air pressure change in the bottle because of the increase or the minimizing of scale removal liquid measure in the bottle, make imbibition, discharge opeing not smooth, liquid back pipe is generally flexible pipe, easy for installation, pad can be set in bottle cap, guaranteeing the sealing of bottle cap better.Wherein, pump head is had the movable cylinder barrel of passage by its top, the check valve that is connected with movable cylinder barrel lower end, check valve generally is pressed in the piston bore lower port, the pipette that is connected with check valve, the length of pipette so that bottle body bottom for well, a bottle interior cleaning mixture is fully utilized, be positioned at movable cylinder barrel and have the spring base and the spring of outage, the piston that is enclosed within on the spring base and is slidingly matched with spring base, the operating bar that is connected with spring base, and be connected and be with the manual pressure lid that discharge opeing chews with operating bar and form, each parts connected mode is releasable connection, is generally and compresses connection, installs, the system of tearing open is convenient.In order when not using, pump head and bottle to be fixed, bottle cap is provided with to be enclosed within on the operating bar and with movable cylinder barrel withholds the anti-hub cap that is connected, to prevent that generally hub cap is pressed on the piston bore upper end by projection, and have internal thread at anti-hub cap centre bore, and cover the external screw thread that has with anti-hub cap centre bore screw-internal thread fit in manual pressure, when not using this device, press down manual friction top to anti-hub cap mesopore, rotate manual friction top simultaneously, manual friction top and anti-hub cap are fixed by screw thread, thereby pump head and bottle are fixed, and this device is in off position.

The operation principle of the utility model gas heater incrustation scale scavenge unit is, unscrew manual friction top, the discharge opeing of manual friction top chewed by flexible pipe be connected with the heater inleting pipe, return duct is connected with water heater outlet, press down stroke of manual friction top then, after piston moves downward a stroke thereupon, because the pressure of air in the movable cylinder barrel, piston is again along the spring base segment distance that upwards slides, outage on the spring base is communicated with movable cylinder barrel, closed check valve, the air of piston bore cavity of resorption is through outage, the discharge opeing of operating bar centre bore and manual pressure lid is chewed and is entered the heater inleting pipe, simultaneously, air enters the piston bore epicoele through passage, the energy storage of spring pressurized in the bottle; After the decompression, spring promotes the piston stroke that moves upward, piston moves upward behind the stroke thereupon, piston to lower slider one segment distance, with the outage sealing, makes outage not communicate with movable cylinder barrel along spring base, at this moment, the piston bore cavity of resorption forms negative pressure, and the cleaning mixture in the bottle enters the piston bore cavity of resorption through check valve, and the passage of air from movable cylinder barrel of piston bore epicoele passes back into the bottle simultaneously; Repeat to press down and the mistake moving gland that adds of letting go, cleaning mixture will constantly enter in the heat exchanger of water heater and dissolve incrustation scale, and the cleaning mixture after the use returns in the bottle from return duct and reuses, and presses down the manual pressure lid as stop, cleaning mixture can be retained in the heat exchanger, to increase descale effect; After scale removal finishes, bottle cap is screwed off, make pump head break away from bottle, repeat to press down and the mistake moving gland that adds of letting go again, the cleaning mixture in the water heater just can all flow in the bottle from return duct.

The advantage of the utility model gas heater incrustation scale scavenge unit is simple in structure, easy to use, need not dismantle water heater, and cleaning mixture makes full use of, features high scale-removing effect, and no water clock does not damage other parts of water heater, is suitable for various gas heater.

Describe the utility model embodiment in detail below in conjunction with accompanying drawing.

Fig. 1: the utility model structural representation

The utility model gas heater incrustation scale scavenge unit comprises bottle 1, and the bottle cap 2 that is threaded with bottle 1 with the pump head that bottle cap 2 cooperates, has hole for back flow 3 on the bottle 1, be combined with liquid back pipe 4 in the return port 3.Wherein, pump head is had the movable cylinder barrel 6 of passage 5 by its top, be connected the anti-hub cap 16 that its centre bore has internal thread with movable cylinder barrel 6 upper ends, the check valve 7 that is connected with movable cylinder barrel 6 lower ends, the pipette 8 that is connected with check valve 7, be positioned at movable cylinder barrel 6 and have the spring base 10 and the spring 11 of outage 9, the piston 15 that is enclosed within on the spring base 10 and is slidingly matched with it, the operating bar 12 that is connected with spring base 10, and be connected with operating bar 12 and form by the manual pressure lid 14 that 13 its external screw threads and anti-hub cap 16 centre bore screw-internal thread fit are chewed in discharge opeing.

Claims (4)

1, a kind of gas heater incrustation scale scavenge unit comprises bottle, and bottle cap that cooperates with bottle and the pump head that cooperates with bottle cap is characterized in that the liquid back pipe that hole for back flow is arranged on the bottle and cooperate with hole for back flow.

2, gas heater incrustation scale scavenge unit as claimed in claim 1, it is characterized in that pump head is had the movable cylinder barrel of passage by its top, the check valve that is connected with movable cylinder barrel lower end, the pipette that is connected with check valve, be positioned at movable cylinder barrel and have the spring base and the spring of outage, the piston that is enclosed within on the spring base and is slidingly matched with it, the operating bar that is connected with spring base, and be connected and be with the manual pressure lid that discharge opeing chews with operating bar and form.

3, gas heater incrustation scale scavenge unit as claimed in claim 2 is characterized in that being enclosed within on the bottle cap withholding on the operating bar and with movable cylinder barrel and is connected, and the female anti-hub cap of centre bore.

4, gas heater incrustation scale scavenge unit as claimed in claim 3 is characterized in that manual pressure covers the external screw thread with anti-hub cap mesopore screw-internal thread fit.

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