DE2033355C3

DE2033355C3 - Tunnel dryer, especially for white drying of shaped blanks of sanitary objects made of ceramic material, such as lavatory, wash basins and the like

Info

Publication number: DE2033355C3
Application number: DE19702033355
Authority: DE
Inventors: Erwin Wilhelmsburg; Kastl Peter St.Pölten; Gram (Österreich)
Original assignee: Öspag Österreichische Sanitär-Keramik und Porzellan-Industrie AG, Wien
Priority date: 1970-03-10
Filing date: 1970-07-06
Publication date: 1976-03-25

Description

3 43 4

nicht dargestellten Gießstraße eingebaut, der die aus- Die Zuführung der Trocknungsluft in die Piasgeformten, auf gelochten Paletten stehenden Roh- kammern 27, 29, 31 und die Abführung der Feuchtlinge mittels einer Röllchenbahn 1 in Richtung des luft aus den Saugkammern 28, 30, 32 erfolgt über Pfeiles 2 zugeführt und von der die trockenen Roh- Rohrleitungen 36, 37, 38 bzw. 39, 40, 41, die U-förlinge mittels einer Röllchenbahn 3 abgeführt werden. 5 mig ausgebildet, senkrecht zu den Kanälen und Tun-Wie aus den Fig. 3 und4 ersichtlich ist, sind bei nein angeordnet sind und sich über die Decke und der Einrichtung nach den Fig. 1 und2 je zwei Tun- die Seitenwände der Einrichtung erstrecken (Fig. 3 nels4 in drei Etagen 5,6,7 übereinander angeordnet. und 4). Die Zuleitungen 36 bis 38 und die Ableitun-In den Tunneln 4 sind Röllchenbahnen 8 vorgesehen, gen 39 bis 41 sind mittels Zwischenleitungen 42, 43 auf welchen die die Rohlinge 9 tragenden Paletten 10 io bzw. 44 bis 47 mit den Blaskammern 27, 29, 31 bzw. durch die Tunnels geschoben werden. Zwischen der mit den Saugkammern 28, 30, 32 der Kanäle 17 bis Einrichtung und den Röllchenbahnen 1, 3 sind verti- 21 verbunden.The supply of the drying air into the Pias-shaped raw chambers 27, 29, 31 standing on perforated pallets and the removal of the wet items by means of a roller conveyor 1 in the direction of the air from the suction chambers 28, 30, 32 takes place via arrow 2 and from which the dry raw pipelines 36, 37, 38 or 39, 40, 41, the U-förlinge are carried away by means of a roller conveyor 3. 5 mig-shaped, perpendicular to the channels and Tun-As can be seen from Figs. 3 and 4, are arranged with no and extend over the ceiling and the device according to Figs. 1 and 2 each two Tun- the side walls of the device ( Fig. 3 nels4 arranged one above the other in three floors 5, 6, 7 and 4). The supply lines 36 to 38 and the discharge lines 8 are provided in the tunnels 4; 31 or pushed through the tunnels. Between the with the suction chambers 28, 30, 32 of the channels 17 to device and the roller tracks 1, 3 are vertically 21 connected.

kai und horizontal bewegbare Plateaus 11, 12 für Die Trocknungsluft wird durch den Lüfter 33 zum den Transport der Rohlinge zu und von den Tun- Teil von außen (Pfeil 48) und zum Teil aus der letzneln 4 vorgesehen. Die Beschickung der einzelnen 15 ten Kammer 26 angesaugt und durch die an den Lüf-Tunnels erfolgt nach einem Programm, dem gemäß ier angeschlossene Zuleitung 36 in die Blaskammern die vertikalen und horizontalen Bewegungen der Pia- 27 gedrückt und durch die Öffnungen 23 der Seitenteaus gesteuert werden. Beide Plateaus bewegen sich wände 13, 14 der Kanäle 17 bis 20 gegen die Außengleichzeitig zu dem jeweils zu beschickenden Tunnel, flächen der in den Tunnelzonen der Blaskammern 27 da der vom Plateau 11 in den Tunnel geschobene 20 befindlichen Rohlinge9 geblasen. Gleichzeitig wird Rohling den beim Tunnelausgang befindlichen trok- Luft durch die in den Blaskammern 27 der Kanäle kenen Rohling auf das Plateau 12 schiebt. 21, 22 angeordneten Düsen 24 gedrückt, die durch Die die Tunnels 4 begrenzenden Wände 13 bis gelochte Paletten 10 strömend die Innenwände der 16 sind so ausgebildet, daß der lichte Querschnitt der Rohlinge beaufschlagt. Die in den Tunnelzonen anTunnels dem größten, in einer zu den Tunneln senk- 25 gefeuchtete Luft strömt in beiden Richtungen ab. rechten Ebene liegenden Umriß der Klosettbecken- und zwar in die Tunnelzonen längs der Saugkam-Rohlinge 9 angepaßt ist. mern 26, 28, und wird durch die Öffnungen 23', 23" Die Seitenwände 13,14 der Tunnels bilden auch die der Wände 13, 14, 15 der Kanäle 17 bis 21 in die Seitenwände von parallel zu den Tunneln verlaufen- Saugkammern 26, 28 gesaugt.kai and horizontally movable plateaus 11, 12 for the drying air is through the fan 33 to the transport of the blanks to and from the tun- part from the outside (arrow 48) and partly from the last 4 provided. The charging of the individual 15 th chamber 26 sucked in and through to the Lüf tunnels takes place according to a program according to which the supply line 36 connected to the blow chambers according to ier the vertical and horizontal movements of the pia- 27 pressed and through the openings 23 of the side panels being controlled. Both plateaus move walls 13, 14 of the channels 17 to 20 against the outside at the same time to the tunnel to be charged, the areas in the tunnel zones of the blow chambers 27 since the 20 located blanks 9 pushed from the plateau 11 into the tunnel are blown. At the same time will Blank the dry air located at the tunnel exit through the air in the blow chambers 27 of the channels kenen blank pushes onto the plateau 12. 21, 22 arranged nozzles 24 pushed through The walls 13 bounding the tunnel 4 to perforated pallets 10 flowing through the inner walls of the 16 are designed so that the clear cross section of the blanks is applied. Those in the tunnel zones at tunnels the largest of the air humidified in the tunnels, flows off in both directions. Right level lying outline of the toilet bowl and that in the tunnel zones along the Saugkam blanks 9 is adapted. mern 26, 28, and is through the openings 23 ', 23 "The side walls 13, 14 of the tunnels also form those of the walls 13, 14, 15 of the channels 17 to 21 in the Side walls of running parallel to the tunnels suction chambers 26, 28 sucked.

den Kanälen 17 bis 20, wobei die Kanäle 19, 20 der 30 Die Saugkammern 26 der Kanäle 17. 19 bzw. 20 beiden unteren Etagen 5,6 durch unterhalb der Tun- sind durch nicht dargestellte Zwischenleitungen unnels der darüberliegenden Etage angeordnete Kanäle tereinander und mit der Saugscite des Lüfters33 ver-21 verbunden sind. Unterhalb der Röllchenbahnen bunden, wobei noch Frischluft vermischt mit Feuchtder untersten Etage 5 sind gleichfalls längsverlau- luft aus den Trocknungskanälen durch die Enden der fende Kanäle 22 vorgesehen. 35 Kanäle 19, 20 der untersten Etage zur Kühlung der Die Kanäle 17 bis 22 sind durch jeweils in einer austretenden Rohlinge angesaugt werden kann. Diese gemeinsamen, zu den Kanälen senkrechten Ebene Kanalenden sind in diesem Fall offen, d. h. nicht wie liegende, in Fig. 1 gestrichelt dargestellte Quer- die Kanäle der oberen Etagen6, 7 durch Lederwände 25 in Kammern 26 bis 32 unterteilt. Die im schürze abgedeckt. Die in die Saugkammern 28 geweiteren als Blaskammern bezeichneten, mehrere 40 saugte Luft wird mit dem diesen Kammern zuströ-Taktstrecken der Gießstraße langen Kammern 27, menden Anteil der in die Tunnelzonen entlang der 29, 31 dienen zur Zuführung der Trocknungsluft in Blaskammern 29 durch den Lüfter 34 über die Zuleidie Tunnels und die ein bis zwei Taktstrecken langen, tung 37 eingeblasenen Luft über die Ableitung 39 später als Saugkammern bezeichneten Kammern 26, den Lüftern 34 und 35 zugeführt.
28, 30, 32 zur Abführung der Feuchtluft aus den 45 In gleicher Weise erfolgt die Luftführung in den Tunneln. Für die Zuführung der Luft in die entlang Blaskammern 31 und den Saugkammern 30 durch der Blaskammern 27, 29, 31 verlaufenden Zonen der den Lüfter 35 im Zusammenwirken mit den Saug-Tunnels 4 sind in den in diesen Kammern liegenden kammern 30, wobei die Luft durch die Zuleitung 38 Seitenwänden 13, 14 über deren ganze Fläche gleich- in die Tunnelzonen längs der Blaskammern 31 zugemäßig oder speziell den Trocknungseigenschaften 50 führt wird. Die aus den längs der Blaskammern 31 der Rohlinge entsprechend verteilt angeordnete öff- verlaufenden Tunnelzonen zu den der Saugkammern nungen 23 vorgesehen und an den in diesen Kam- 32 abströmende Luft wird über die Ableitung 41 mern liegenden Teilen der Kanäle 21, 22 sind Düsen nach außen abgeführt (Pfeil 49 in F i g. 2).
24 angesetzt, die gegen die darüber verlaufenden Die Luftführung kann durch in den Zwischenlci-Tunnels gerichtet und in den Längsmittelebenen der 55 tungen 42 bis 47 angeordnete Klappen 50 so geregelt Tunnels in einem Abstand angeordnet sind, der so werden, daß die erwünschte gleichmäßige Trocknung ßroß wie eine Taktstrecke ist. Für die Abführung der aller Teile der Rohlinge erzielt wird (F i g. 3 und 4). Feuchtluft aus den entlang den Saugkammern 28, 30, Vor dem Lüfter 33 isf noch eine Heizbatterie 51 zur 32 verlaufenden Zonen der Tunnels sind die in diesen Erwärmung der angesaugten Luft angeordnet. Die Kammern liegenden Scitenwände 13, 14, 15 mit über 60 Saugseiten der Lüfter 34, 35 sind mit der Druckseite deren ganze Fläche gleichmäßig verteilt angeordne- des Lüfters 33 durch aus Deutlichkeitsgründen in ten öffnungen 23', 23" versehen. Jeder Blaskammer Fig. I nicht dargestellte Rohrleitungen 52, 53 ver-27, 29, 31 ist ein Lüfter 33, 34, 35 zugeordnet, der bunden, damit auch die von diesen Lüftern angemit seiner Druckseite mit einer Blaskammer und mit saugte Luft zusätzlich mit Heißluft vermengt werden seiner Saugseite mit einer Saugkammer verbunden 65 kann, wobei mit in den Rohrleitungen vorgesehenen ist- Klappen die Heißluftzufuhr geregelt werden kann.the channels 17 to 20, the channels 19, 20 of the 30 The suction chambers 26 of the channels 17, 19 and 20 two lower floors 5, 6 through below the tunnel are through not shown intermediate lines unnels the overlying floor arranged channels one behind the other and with the suction screen of the fan33 ver-21 are connected. Bound underneath the roller tracks, with fresh air still mixed with moisture from the bottom floor 5, air from the drying channels through the ends of the fende channels 22 is also provided longitudinally. 35 channels 19, 20 of the lowest level for cooling the channels 17 to 22 can be sucked through in each case in an emerging blank. These common channel ends, which are perpendicular to the channels, are open in this case, that is, not like horizontal cross channels of the upper floors 6, 7 shown in dashed lines in FIG. 1, divided into chambers 26 to 32 by leather walls 25. The covered in the apron. The air drawn into the suction chambers 28, furthermore referred to as blow chambers, is 40 sucked air with the cycle sections of the casting line long chambers 27 flowing into these chambers; 34 via the inlet of the tunnels and the one to two cycle paths long, device 37 blown air via the discharge 39 later referred to as suction chambers chambers 26, the fans 34 and 35 supplied.
28, 30, 32 for discharging the moist air from the 45. The air flow in the tunnels is carried out in the same way. For the supply of air into the zones running along the blow chambers 31 and the suction chambers 30 through the blow chambers 27, 29, 31 of the fans 35 in cooperation with the suction tunnels 4 are in the chambers 30 located in these chambers, whereby the air flows through the supply line 38 leads sidewalls 13, 14 over the entire surface of the same into the tunnel zones along the blow chambers 31 in accordance with or specifically to the drying properties 50. The opening tunnel zones to the openings 23 of the suction chambers and which are distributed along the blow chambers 31 of the blanks are provided, and the air flowing out of these chambers 32 is exposed via the discharge line 41 to the parts of the channels 21, 22 are nozzles to the outside discharged (arrow 49 in FIG. 2).
The air duct can be directed through flaps 50 arranged in the intermediate tunnels and arranged in the longitudinal central planes of the 55 lines 42 to 47 so that the tunnels are arranged at a distance that is so that the desired uniform drying ßroß like a clock line is. For the removal of all parts of the blanks is achieved (Fig. 3 and 4). Moist air from the zones of the tunnel running along the suction chambers 28, 30, in front of the fan 33 isf a heating battery 51 to the 32 running zones, which are arranged in these to heat the sucked in air. The chamber walls 13, 14, 15 with more than 60 suction sides of the fans 34, 35 are provided with the pressure side, the whole area of which is evenly distributed, by means of openings 23 ', 23 "in th for reasons of clarity Pipelines 52, 53, not shown, are assigned to 27, 29, 31 a fan 33, 34, 35, which is linked so that the fans from these fans are also mixed with its pressure side with a blow chamber and with air sucked in with hot air with its suction side 65 connected to a suction chamber, the hot air supply being able to be regulated with flaps provided in the pipelines.

Hierzu 3 Blatt ZeichnungenFor this purpose 3 sheets of drawings

Claims

a tunnel dryer for brick blanks is known, via patent claims: and under each of the tunnel a channel connected to the tunnel through openings is provided. the

1. Tunnel dryer, especially to the Weiß upper canal, is in blow chambers and the lower Katrocknen subdivided into suction chambers by shaped blanks of the sanitary genus, each with a bubble jar Made of ceramic material, such as a toilet chamber and a suction chamber on an air conveyor sett, sink and the like, with at least one connected.

Tunnel for the cyclical throughput of the raw The invention is based on the tasks, e.ncn

linge on a roller conveyor, the cross-section of which creates a tunnel dryer of this type, its air dem largest, more effective in a run perpendicular to the tunnel axis and also with a dryer th level lying outline of the blanks with several arranged one above the other and next to one another fits and is applicable to both sides and under- tunnels.

half of the Rölichenbahn with openings or Du-. The tunnel dryer according to the invention is provided with blowing and suction chambers in that the subdivision of the ducts into combined ducts for the air flow is arranged by means of transverse walls arranged in a cross-section, characterized by the planes of the tunnel net that the subdivision of the channels (17 to and that the blowing chambers several cycle paths 22) in blowing and suction chambers (27, 29, 31 or long and which are connected to the blowing chambers in 26, 28, 30, 32) through in Transverse walls (25) arranged in a cross-sectional plane in the longitudinal direction of the suction chambers of the tunnel are preferably one or two cycle paths long.
and that the blowing chambers (27, 29, 31) several through the alternately arranged one behind the other

Cycle paths are long and the blowing and suction chambers are connected to the blowing chambers in the inventive dryer in the longitudinal direction. are two clock lines long. a ₅ surface of the blanks achieved. Through the

2. Tunnel dryer according to claim I, characterized in sections with blowing on the blanks on all sides characterized in that at each blow chamber (27, dry air and removal of the moist air is the 29, 31) a fan (33, 34, 35) is assigned, but the drying is also much shorter with its pressure side to a blowing chamber and time reached, e.g. when whitening in the Durchmit its suction side to one in the direction of movement in as many hours as days to dry in direction of the blanks (9) subsequent suction chamber of a still atmosphere are required.

(26, 28, 30) is connected. The dryer can therefore have a length

3. Tunnel dryer according to claim 1 or 2, that the installation in a cyclically controlled pouring through characterized in that allows for the feeding of the road on which the blanks in molds Drying air in the blowing chambers (27, 29, 31) 35 formed, shaped, cleaned, leather-hard-dried, and for the removal of the moist air from the subsequently cleaned, white-dried and finally with GIa suction chambers (28, 30, 32) U-shaped tubing compounds are sprayed.

nel and the channels encompassing, perpendicular to the- In a special embodiment of the tunnel

pipes (36, 37, 38 or neltrockners are arranged for the supply of the drying 39, 40, 41) are provided, which air by means of air in the blow chamber and for the removal of the Intermediate lines (42 to 47) with the chambers humid air from the suction chambers U-shaped, the are bound. Tunnel and the channels comprehensive, perpendicular to

these arranged pipelines provided, the

connected to the chambers by means of intermediate lines

45 den.

The dryer according to the invention can be used both for

The invention relates to a tunnel dryer, in particular for hard leather drying as well as for white drying can be used for drying white molded blanks. For those in a casting line sanitary objects made of ceramic materials, dryers intended for hard-drying leather, like lavatory, wash basin, etc., with a minimum of 50 is mostly sufficient, this only with a tunnel At least one tunnel should be equipped for the cyclical throughput of the, because of the only superficial Blanks on a roller conveyor, the cross-section of which only dries a few cycle distances along the road the largest, must be in a perpendicular to the tunnel axis. In contrast, the dryer can be used to level the white lying outline of the blanks is adapted to dry, which with only one tunnel is an intolerable one and would have length on either side of and below the roll for incorporation into the cast web with openings or nozzles, several groups of side-by-side blowing and suction chambers combined channels for ordered tunnels in floors one above the other for the air duct are arranged. sen. However, this construction is only possible due to the

For even, crack-free drying, the homogeneous arrangement of the blowing and suction chambers was shaped Blanks of sanitary objects can be made from 60 pieces one behind the other.

ceramic material, especially toilet, An embodiment of the invention is attached to

Wash basin and the like, before spraying with glaze - hand of the drawing explained below,
tunnel dryers have already been proposed. Fig. 1 and 2 show in side view and plan

In most of these dryers, the track is equipped with a device for the white drying of the cloning air in along the 65 sett basin loaded with the blanks and the

Tunnels arranged, with this through openings Fig. 3 and 4 cross-sections of the device according to

or nozzles connected channels and the line III-III and IV-IV in Fi g. 2.
discharged from the tunnel. But it is already The device according to FIGS. 1 and 2 is in one