DE260279C - - Google Patents

Description

IMPERIAL

PATENT OFFICE

There are devices for the introduction of scale solvents in steam boilers with a a rising channel and a drainage channel and one monitoring these two channels Faucet containing nozzles have become known, which are above the steam space on the steam boiler are placed and act in such a way that when there is a balance between that in the container of the solvent and that in the steam boiler prevailing pressure liquid from the container under gravity into the Steam boiler drains. In order to achieve the pressure equalization mentioned, one leaves steam in these known devices

! 5 about the solvent stored in the container stream. However, this can cause the solvent to decompose prematurely and be so damaging be influenced so that it no longer has the desired effect in the steam boiler

² P is able to produce.

On the other hand, there are devices for introducing scale solvents into steam boilers become known, which are built into the feed water supply line. These bodies contain a rising channel running out in the bottom of the solvent container and one of this container in the vicinity its upper end branching drainage channel. The protruding into the feed water line, Separate mouths of the two channels are cut off at an angle. However, such devices have the disadvantage that they only promote solvents that are specifically lighter than water can, while on the other hand, through the lowering

walls of the riser protruding right in the direction of the feed water flow and drainage channel mouths in the vicinity of these mouths when the feed water flows through Eddy currents arise, which allow the occurrence of the necessary for conveying the solvent Prevent pressure and suction.

All of these disadvantages are remedied by the invention. ' The same applies to a device built into the feed water line for introducing scale solvents in a steam boiler with a riser channel and a discharge channel and a tap monitoring these two channels containing nozzles.

The novelty of the invention is that in the protruding into the feed water supply line lower part of the nozzle of the riser channel as well as the drainage channel behind it run out in a curve and the edges of both lying in the feed water line Channel mouths are sharp like a cutting edge.

Thanks to this arrangement, such an apparatus shows both in terms of its design as extreme simplicity in terms of its operation and is entirely reliable in terms of operation its effect.

In the drawing, such an apparatus is shown, for example, in a vertical section.

The glass vessel G contains the liquid solvent introduced through an opening E which can be closed by means of a stopper. This public

Nung E is provided in a lid B ¹ which, like the base B ² , is connected to the glass vessel G in any suitable manner. On the bottom piece B ² , a nozzle D is formed, which is traversed by the two channels R ¹ and R ^2. Both channels open into the vessel G, namely the drainage channel R ² in the bottom JS ² , while the riser channel R ¹ through an attached

ίο the pipe section is extended to the vicinity of the cover B ¹ . The lower part of the connector D is provided with a thread and is either screwed directly into the wall of the feed pipe or else into an annular piece R which is switched into the feed water line in a suitable manner. Both channels R ¹ and R ² are monitored simultaneously by a cock H, which is provided with bores δ ¹ , b ² in the area of these channels. The successive mouths e and α of the riser and drainage duct protruding into the feed line run out in an arc shape and are sharp at their edges. The ascending duct mouth e is somewhat funnel-shaped, while the outflow duct mouth a has the same cross-section throughout. To drain the water remaining in the vessel G after using the apparatus, the bottom

the B ² an opening .4 * is provided, into which a pipe socket containing a tap can be inserted. For the admission of air, the opening A ^{2 is provided in the cover S 1} , into which a pipe socket provided with a tap is also inserted.

The mode of operation of the device is as follows:

If the vessel G is filled with the liquid solvent, then after opening the tap H through the riser R ^1, feed water flows over the solvent, which under this pressure effect and at the same time under the influence of the suction effect occurring in the area of the mouth a of the drainage channel R ^{2 through the} Drainage channel flows into the feed line and is carried away by this into the boiler. Due to the blade-like formation of the edges of the curved ascending and drainage channel mouths and by accommodating both channels in one body, the occurrence of eddies, which are extremely unfavorable for the operation of the apparatus, is avoided as far as possible.

Claims (1)

Sponsorship claim: Device built into the feed water supply line for introducing scale solvents in a steam boiler with a riser and a drainage channel and a monitoring channel for these two channels Faucet containing nozzle, characterized in that in the protruding into the feed water supply line lower part of the nozzle of the riser channel as well as the drainage channel behind it run out in a curve and the edges of both canal mouths lying in the feedwater line cut like a knife are sharp. 1 sheet of drawings.