DE950683C - Articulated boiler with external fuel bunkers, for collecting systems and independent operation - Google Patents

Description

Sectional boiler with external fuel bunkers for collecting heating systems and automatic operation The subject of the invention is a sectional boiler with external Fuel bunkers, for collective heating systems and automatic operation, the following Features combined in itself: a) The fuel hunkers are on the inside their entire height through the side walls of the boiler half-sections arranged between them and on its outside in the lower part by boiler sections through which water flows with slanted sliding surfaces from the outside towards the middle and, on these, downwards subsequent, movable guide plates so limited that the fuel layer on the sliding surfaces according to their strength through the lower curves of the boiler half-sections given is. b) Furthermore, in the vertical part of the outer boiler sections Openings for the entry of combustion air arranged in such a direction that a good, lower burn according to the ones provided in the boiler half-sections below Heating gas inlet openings is reached.

c) The upper part of the fuel bunker is on the outside through sheet metal walls closed and fitted with sliders in the top of the fuel filler openings.

The sectional boiler with external fuel bunkers according to the above Features has the advantage that when possible automatic combustion of solid fuels as a result of the large fuel bunkers and the low-lying combustion chambers a long endurance fire is guaranteed. Furthermore, because of the controllable task and the passage of fuel in a rustless boiler - due to the severity of the Fuel - after complete burnout up to the ash cart, an almost automatic one Operation guaranteed. The particular advantages are specified in the description.

The subject of the invention is shown in the drawing in an exemplary embodiment shown.

The drawing shows the articulated boiler with external fuel bunkers, for collective heating systems and automatic operation in a vertical cross-section represent.

The sectional boiler is equipped with external fuel bunkers k, hl. The entire height of the inner walls of the fuel bunker is covered by the side walls the boiler half-members a, al and arranged between them, the outer walls of the Fuel bunker in the lower part through the outer boiler sections through which water flows 1.11 with sliding surfaces m, ml and on these sloping from the outside to the center movable guide plates n, n1 connected to the bottom, and also connected to the top usual sheet metal walls and final bunker slides s, s1 formed.

The formation of the inner walls of the fuel bunker by the The entire bunker height, water-cooled, smooth side walls of the boiler half-sections a, a, is important for the automatic operation of the sectional boiler, because the fuel can only slide automatically if he finds smooth, vertical walls and does not stick to hot walls.

The actual boiler is composed of the boiler half-members a, a1 lined up one behind the other in the usual way. These have the heating gas inlet openings b, b1 and the rising and falling ducts c, cl, d, dl, which the heating gases after the common. Pass the flue gas collecting duct through which they are led into the chimney.

The boiler half-links a., Al. Are connected at the top at their tabs f and at the bottom at corresponding tabs g. For the purpose of precise support and to facilitate assembly, the boiler half-members a, a, can be placed on a double T-beam h. sit, which is supported on the base i . The carrier 1a is protected against the effects of fire by this arrangement in recesses in the boiler half-sections a, a1.

The two external fuel @ bunkerk, kl in full height of the Boiler half-sections a, a1 enable. A long endurance fire, which is also in the sense the invention is important.

The outer boiler sections 1, 11 through which water flows are connected in the usual way by nipples. The sliding surfaces m, ml - of the boiler sections 1, 11 are arranged laterally below the boiler half-sections a, a1. In such a way that the thickness of the fuel layer on the sliding surfaces is formed by the lower curves of the boiler half-sections a, a1. The lower heating gas inlet openings b, b1 of the boiler half-sections a., A1 are located above the fuel layer of the sliding surfaces. This arrangement is important for the automatic operation of the sectional boiler because it still ensures a good extraction of the heating gases into the heating gas inlet openings b, b1 of the boiler half-sections even when the fire is throttled.

The water-cooled outer boiler sections 1, 11 also have the Sliding areas m, znl for the fuel to slide automatically from above downwardly movable guide plates n, n1, which cause the fuel to slide down when moving support. There are also openings o, o1 for the entry of combustion air and the fastening ribs p, p1 are provided for the upper fuel bunker sheet metal walls. The outer boiler sections 1, 11 stand up with their feet on the boiler house floor.

The fuel bunkers h, k1 are by slide s, s, up against the Fuel channels s ?, s3 to the bunker can be shut off tightly, otherwise a high fire will occur that would hinder the automatic operation of the boiler.

The sectional boiler is intended mainly for collective heating systems with great achievements come into consideration and must therefore have a greater height.

The bunker slides s, s1, which are difficult to move because of the fuel load lying on them despite good storage and guidance, can be opened and closed easily and conveniently in the sense of the invention from the attendant's position by means of the cranks t, t1. The overall drive device for this consists of the gearwheels v, v1 fastened or supported by bearing blocks u, u1 to the outer boiler sections 1, 11 , the chain drives w, w1 with driver cams x, x1 and the bearing blocks y, y1 for the chain wheels z, z1.

In the context of the invention, the opening and closing movements the slide s, s1 of the drive devices also by means of a drive derived from a combustion air fan, which is used for the automatic combustion operation Application is intended to be accomplished.

Temporary movement can also be used for the purposes of the invention the guide plates n, n1 at the lower part of the combustion chambers q, q1 by means of such derived drive. For this purpose it should be noted that the fan operation the opening of the bunker slides s, s1 and the movement of the guide plates n, n1 in terms of the cause Related. If the combustion air fan is in operation, the result is the increase in performance and the associated higher fuel consumption more frequent opening of the bunker slide is required, and accordingly the guide plates ii, n-, often encourage the fuel to slide down through their movement and drain more ash and slag.

The mentioned drives can be used for mechanical connection and disconnection each be coupled individually, the couplings depending on to the necessary operating condition; of the sectional boiler for collective heating systems with known Devices depending on the water temperature of the boiler or the steam pressure and can be controlled from the fire state.

Claims (7)

PATENT CLAIMS: i. Sectional boiler with external fuel bunkers, for collective heating systems and automatic operation, characterized by the combination of the following features: a) The fuel bunkers (h, hl) - # verdcn. on the inside over their entire height through the side walls of the boiler half-sections (a, a1) arranged between them and on their outside in the lower part through water-flowing boiler sections (l, 1l) with slanted sliding surfaces (m, ml) and from the outside towards the center of these subsequent downward, the movable guide plates (n., n,) limited such that the fuel layer is formed on the sliding surfaces of their strength after by the lower curves of Kesselhalibglieder (a, a1) giving overall. b) In the vertical part of the outer boiler sections (l, h) there are openings (o, o1) for the entry of combustion air in such a direction that a good lower burn-off occurs after the heating gas inlet openings provided at the bottom in the boiler half sections (a, a1) (b, b1) is reached. c) The upper part of the fuel bunker (h, hl) is closed on the outside by sheet metal walls and is equipped with slides (s, s1) at the top in the fuel filler openings. 2. Articulated boiler according to claim i, characterized in that the boiler half-sections arranged on the inside (a., a1) are equipped with vertical ducts in such a way that the heating gases from the entry point below ascending and then falling into one for both Half-links reach common flue gas collecting duct (s) in the middle of the boiler. 3. Articulated boiler according to claim i or 2, characterized in that the bunker slides (s, s1) are moved by drive devices which from the cranks (t, t1) with bearing blocks (u, 1l) arranged on the outer boiler sections (L, 1l) u1) and the gears (v, v1) attached to it, driven by the cranks, which operate the slide via chain drives (w, zu,) and chain wheels (z, z1) provided at about slide height by means of driver cams (x, x1). 4. Articulated boiler according to one of claims i to 3, characterized in that the drive devices the slide (s, s1) by means of a drive, derived from a combustion air fan, can be moved. 5. Articulated boiler according to one of claims i to 4, characterized characterized that .die fuel guide plates (n., u1) at the lower part of the combustion chambers (q, q1) set by means of a drive derived from a combustion air fan can be. 6. Sectional boiler according to one of claims i to 5, characterized in that that the individual drives for mechanical switching on and off of the bunker slide each can be coupled individually, and the coupling devices. depending on the operating status of the boiler, e.g. B. depending on the water temperature or the steam pressure, can be controlled by known devices. 7. Articulated boiler according to one of claims i to 6, characterized in that the hopper slide (s, s1) and the guide plates (@, n1) are each set by devices with their own drive can be.