US1871859A - Steam generating apparatus - Google Patents

Description

Allg'u 16, 1932. M RESEK 1,871,859

STEAM GENERATING APARATUS Aug. 16, 193.2. M. RESEK STEAM GENERATING APPARATUS Filed March 8, 1929 6 Sheets-Sheet 2 Aug. 16, 1932. M. RESEK STEAM GENERATING APPARATUS Filed March 8. 1929 6 Sheets-Sheet 5 Aug, 16, 1932. M. RESEK STEAM GENERATING APPARATUS Filed March 8, 1.929 6 Sheets-Sheet 4 jig \ M. RESEK STEAM GENERATING APPARATUS Filed Maron s, 1929 e sheets-sheet 5 Aug. 16, 1932.

ATTORN EYJ' III Aug. 16, 1932. M. REsEK 1,871,859

STEAM GENERATING APPARATUS Filed March e, 1929 e sheets-sheety e es l pl 4f I w i; as 2.3L

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narra STATES Parken Fricivinao assen, or CLEVELAND Pinionrs, eine, AssIGNoB; To PERFECTION smovn CoM Pan?, or CLEVELAND, omda CORPORATION oronro v STEAM GENERATING APPARATUS Application led March 1929. Serial No. 345,572.

6, 1925, the present case being a division of said application and relating more particu-y larly to the novel construction of the generator or boiler of said apparatus and to the impro-ved water level control means therefor,

well as to the unique intercommunicating U ystem involving the generator or boiler, the

steam super-heater, the water supply chamber, etc. y

imong the objects of the present invention Y are 'to pro Tidel a generator or boiler construction that will permit of quick and easy reni ral of the body portion of the same from the apparatus without disturbing pipe` connections or requiring dismantling o f associated parts, thereby to afford ready inspec-y 'g'j tion or cleaning of the generator or boiler as occasion may require, and to provide convenient filling means, and efficient water feed, and water level control means for the generator or boiler. n

rEhe foregoing general objects, with other and more spec-ihr: ones hereinafter appearing, are attained in the construction illustrated in the accompanying drawings wherein Fig. l is a sectional side elevation of oilA burning so" apparatus embodying the invention; Fig. 2 is a. similar view, the plane of section being substantially on the center linev of the comN bustion chamber, as indicated by' the line' 25-'2' of l1 ig. 3; Fig. 3 is a sectional front eleva- 35 tion, the sectional portion ofthe view being on the line 3 3 ofFig. 2; Fig. 4 is a secL tional plan view of the apparatus; Fig. 5 is a vertical section through the head of the steam generator and the water chamber from which the generator is fed and includes the filling column and the thermostatic control for the outlet valve of the chamber; Fig. 6 is a vertical section through said thermostatic 4,-,l control and valve,and Fig. is a sectional front ele-:ation of the apparatus, the sectional portion of the View being taken on the line 7 7 of Fig. Q.

ln the following detailed description of 50 the invention, like reference characters designate corresponding partsl throughout the several views. y

A base l, that is preferably formed from ai metal plate that is flanged downwardly about its periphery, is supported a suitable distance above the floor by legs 2. rlie basev is rectangular in plan and rising from each corner f the base is a post 3 of'angle formation, Aas shown in 4, and the tops" of said posts are connected together by angle bars' 4. A substantial frame is thus provided to` which arel applied the walls of a casing that encloses the operating parts of the oil burning apparatus. 'The rear wall V5 of said casing is shown as constructed of a single plate, while the front wall 6, respective right and left hand side walls 7 and 8, and the top wall 9 are insulated walls, comprised ofsheet metal shells that are filled with suitablenomheat conducting material. The front, side and' top walls are preferably detachably connected lto the frame, and as a convenient means of accomplishing the same, the front and side walls are provided, near their lower edges, with inwardly and downwardly extending. tongues l2, the lower ends of which are reducedv in size to ft within apertures'in the base i. Near their upper edges the front and side walls are equipped with buttons 14 foi` engagement with the angle bars 4, the same being' adapted to be` manipulated by handles l5 that are disposed on the outer sides of the walls and are suitably connected to the buttons. The ,top` wall 9 rests upon the' anglebars 4 and at its forward edge has a lip ll' which occupies a rabbeted portion of the front wall 6. .Y 5

Rising from the base l, about midway be-'. tween the side walls 7 and 8 and near the back wall 5 is a housing A comprising a. front wall 20, a rear wallQl, right and left ` hand side walls 22 and 23, respectively, and a lagged top Wall or cover 24. This housing contains the combustion chamber, the steam generator, and the steam superhe'ater, as will hereinafter more fully appear.

As will be seen by` reference to Fig. 2,- the lower' portion of the front wall 20 is inset` a material distance from Ythe plane of its' up per portion, and forwardly of the inset por- 'loV tion of said wall is disposed a. supporting structure 25 that carries the burners.

A plate 26 (Fig. 4) rises from the base l adjacent the right hand wall 22 of the housing A and may be secured thereto and spaced therefrom by suitable means, as indicated at 27, so as to impart rigidity to said plate.

The combustion chamber of t ie apparatus is designated 30 and it is preferably in the nautre of a tubular body of suitable refractory material having a rectangular cross section, as shown in Fig. 3. This combustion chamber is supported within the lower portion of the housing A between the front and rear walls 20 and 2l, said walls having openings for the accommodation of the respective ends of the housing, the opening in the rear wall extending somewhat above the combustion chamber to provide a passage 3l (Fig. 2), which, with the combustion, chamber, opens into a duct 33 that is applied to the wall 2l and projects through an opening in the rear wall 5 of the casing. The opening in the front wall 20, through which the corresponding end of the combustion chamber projects, extends a material distance above said chamber to provide a passage 34 that is adapted tobe close-d by a damper 35. This damper is preferably in the nature of a body of suitable refractory material that is supported within a yoke 36. The yoke 36 is preferably built up of metal parts, and the lower ends of the side branches of said yoke terminate in weights 38. Knife-edge bearings 40 are suitably set within the branches of the yoke, said branches being constructed of separable parts that are connected together by screws 4l. The knife-edge bearings 40 rest within V notches in bearings 42 that are carried by the sides of the supporting' structure 25.

The damper is so weighted that it tends to withdrawA from the passage 34 and allo-w a part of the products of combustion from the chamber 30 to have access to the generator,

but it is adapted to be urged toward generator shielding position by pressure fluid means that is subjected to the steam pressure v1n the generator and the action whereof is controlled by thermostatic mechanism. None of to the front wall of the supporting structure 25 are burners 50 and 51. These burners are identical with one another in construction and are of the injector type, each incorporating a steam nozzle 55 and an oil jet 56.

As best shown in Figs. 2 and 3, the combustion chamber 30 is embedded in suitable heat insulating material 58 that is supported by a plate 59 disposed between the front, rear and sidewalls of the housing A. A partition 60 extends between the side walls 22 and 23 of the housing above the combustion chamber va suitable distance forwardly of the rear wall 2l so as to baffle a direct flow of the products of combustion from the passage 34 to the passage 3l.

Occupying the portion of the housing above the combustion chamber 30 is a steam generator or boiler 62 that is shown as provided with circumferential heat abstracting veins 63, and with a longitudinal rib 64 which is vdisposed adjacent the partit-ion 60 and serves the same purpose as said partition. The generator or boiler 62 terminates at its left hand end in a neck 65 that is surrounded by a lip 66 inset slightly from the outer end of the neck (see F ig. 3). The left hand wall 23 of the housing is provided with a circular opening for the accommodation of the lip 66 and secured to the outer side of said wall, as by bolts 67, is a unit 68 which includes a circular part that constitutes the head of the boiler or generator andv is designated 69. This head has a circular opening which receives the extremity of the neck 65, and a gasket 70 is adapted to be clamped between the lip 66 and the opposed portion of the head 69. A hollow leg 71 depends from the head 69 and has an opening adjacent its lower end that is adapted to be closed by a cover 72 that is clamped against the portion of the leg surrounding said opening by a screw 73 that passes through the cover 72 and is threaded into a boss 74 on the inner wall of the leg 7l. Gaskets of suitable material are employed wherevervneeded to effect sealed joints between the parts of the structure, in accordance with common practice.

The generator or boiler 62 is clamped to the head 69 by a yoke 76 which has the hooked ends ofits branches extended through openings in the wall 23 and engaged with the lip 66, as clearly shown in Fig. 4. A screw 78 is threaded through a central boss 79 of the yoke 76 and bears at its inner end within a recess of the head 69. By this simple means, the generator may be effectively clamped with a leak proof joint to the head 69 and,

when it is desired to remove the generator for any purpose, as for cleaning7 it is only necessary to retract ythe screw 78 sufficiently to allow the yoke 76 to be extended inwardly far enough to permit the withdrawal of the neck of the generator from the opening in the head, the generator being equipped with. a bail 81 to facilitate handling.

Located forwardly of the unit 68 is a water chamber 82 that is shown in sectional detail'` in Fig. 5. Thexfront wall of said chamber is removable and is held in place by suitable means, as by cap screws 83. Said chamber communicates with the generator head 69 of the unit 68 through a conduit 84 that is shownA as secured to the water chamber by screws 85, and to the unit 68 by screws 86; and the water chamber communicates with the hollow leg` 71 of the unit 68 through a branch 87 of said leg, the outer flanged end of said branch being secured to the water chamber by screws 88. To a lateral hollow boss ofthe conduit84 is secured, as by screws, 89, a steam superheater 90 (see Figs-4 and 7). Thesteam superheater is shownaspro-V vided with heat abstracting veins 91.

A sight' gauge 93 ofv usual type communi- Cates at its kupper. and lower ends with the conduit 84 and the branchv 87 and is exposed through an opening in the side wall 8 of the casing so that at any time' the water level in 4) that receives water from the city supply through a pipe 97. Thewater is maintained at a substantially constant level in the tank by suitable lioat mechanisnnshown in dotted lines and designated 98.

Located in the lower portion off the rear right hand corner of the casing of the oil burning apparatusis a pumping outfitdesignated generally bythe reference numeral 100 and which incorporates a water compart-V ment 101 to which water is supplied from the tank 96 through pipes 102, 103, 104V and 105 (Figs. 1 and 4) andthe water expelled from thecompartment'101 of thepumping outfit isconductedby a pipe 106 to the waterl chamf bei82. Itwill be observed (see Fig. that -this water chamber is dividedv into compartments 107 and 108 by an overflow partition 109 which determines the normal water levelv in the generator. Water in excess of that required toA maintain the normal water level l in the generator overflows the partition 109 into the compartment 108, and the outlet of water from this compartment is controlled by a thermostatic valve designated generally by the reference numeral 110.

This valve, which I' shall now describe, is shown in detail in Fig. 6. Screwed into a threaded outlet extension 111 of the compartment 108 is afitting 112 which terminatesV at its upper end in a valveY seat 113. Cooperating with this seat is ay valve 114 carried by av stem 115 that is guidedwithin af sleeve 11'61of. amounting 1.17 that is screwed into the upper end of the tting 112.A The mounting is recessed about the valve 114 and its terposed between the body of the mounting.'

117 and an abutment 120 that is carried by the upper end of the valve stem 115. This spring tends to lift the valvefrom itsseat. The upper end of the valve stem engages a` head 121 of al bellows 122 which has its lower endV secured, as through anannulus 123, to a shelll 124v which encloses the bellows and is. adapted to have connection, through means designated 125, with the mounting 117. This connection is preferably a separable one. A thermal-sensitive fluid occupies the space between thebellows 122 and the shell 124, the same being introduced into the shell about the bellows 122 through a filling tube-126 is suitably sealed after the fluid has been. introduced. Under a relatively lowtempera-` ture the fluid within the shell 124 contracts and permits the spring 119 to maintain the valve 114 olf the seat 113 thereby allowing water within the compartment 108 to drainout through the ports 118' and through a pipe 128 to the previously mentioned pipeV 104. Surmounting the pipe 104fis a filling column 130. To lill the water chamber and the generator,when preparing the apparatus for operation, water is poured into the column 130v and it flows through pipes 104v and 128' and into the compartment 108 of the water chamber, over the partition 109 and thence through the compartment 107 and branch 87 and leg 71 to the generator. I

In order that this phase of the invention may be better understood7 let it be supposed that the apparatus is in operation and that steam is present in the generator as Vwell as' in the upper portion of the water chamber 82 because it will-be readily understood that the steam from the generator is communicated to the chamber through the conduit 84. i The pumping-'outfit 100 is steam operated, the steam being conducted from a steam box (later to be introduced) to the pumping outfit through a pipe 132, and exhausted therefrom through a suitableV outlet (not shown) rlhis pumping outfit constitutes the subject matter of aV separate invention and therefore need not be described in detail in this connection, and obviously any suitable pumping apparatus may be substituted therefor and, as long as there is steam pressure in the generator, the pumping outit will operate to circulate water through the pipe 106, compartments 107 and 108, and pipes 128, 104 and 105. As long as water surrounds the thermostatic valve 110, the said valve'will remain open because of the fact that it is protected from the heatofthe steam, and thewaterwill bepermitted to' pur-'fV sue the course already described. However,`

1tl will be seen therefore that at all times the water level in the generator is maintained at substantially the level of the upper edge of the partition 109 of the water chamber.

So far as the present invention is concerned, any suitable meansinay be employed for delivering oil to the burners. The supply pipes that conduct oil to the oil jets 56 of the burners are designated 135, and steam is delivered from the superheater 90 through a pipe 136, a steam box 137 and tubes 138 to the steam nozzles 55 of the burners.

Below and in register with an opening 140 in the base 1 beneath the burner tubes 45 and 46 is a preheating or starting burner 141, shown as a gas burner. The preheating burner-the products from which rise through the passage 34 in the top wall of the combustion chamber 30 and pass about the generator (i2-is used to initially h eat vthe genera-tor and create steam for setting the injector burners in operation. The action of the burners may be observed through a window 142 in the front wall G of the casing.

The value ofthe steam pressure in the generator 62 may be ascertained at any time by the inspection of steam gauge 143 (Fig. 1) that has connection, through a tube 144, with the rear end of the conduit 84.

The system may be drained when desired through a three-way valve 145 which has one branch of its casing connected to a waste pipe 146, another branch connected through a pipe 147 with the pipe 103, and the remaining branch connected, through a pipe 148, with a T 149. By turning'the valve 145 to a position wherein pipes 146 and 147 are caused to communicate (and after shutting off a valve 150 in pipe 102, see Fig. 4) the contents of pipes 104 and 105 and any water which is in the column 130 and in the compartment 108 of the water chamber 102 may Y be allowed to flow through pipes 103 and 147 .removed by taking off the cover 7 2.

that has a single comparatively large opening,

at one end, the head and wall having registering openings wherewith the opening of the generator registers, a yoke embracing the head and havin@- itseiids pro`ected through.

t3 L C the wall and interengaged with parts of the generator, and a screw threaded through the yoke and bearing against the head for binding the generator, wall and head together.

2. In apparatus of the character set forth, the combination of a wall having an opening, al head applied to'one side of the wall and having an opening registering with the openingk of the wall, a generator disposed on the opposite side of the wall, said generator consisting of a vessel that is large of bulk and capacity relative to said head and is provided with a neck that projects through the opening of the wall and into the opening of the head, the generator incorporating opposed abutment portions adjacent its neck, a yoke embracing the head and having its ends extended through the Vwall and designed for holding engagement with said abutment portions, and a screw threaded through the yoke and bearing against the head for drawing the head and generator together through the intervention of the yoke with the surrounding portion of the wall therebetween.

3. In apparatus of the'character set forth, the combination of a generator, a head applied thereto, a water chamber, a conduit communicatively7 connecting the upper ends of the head and water chamber, the head involving a hollow depending leg, communicative connections between said leg and the lower portion of the water chamber, and a steam superheater in juxtaposition to the generator and communicating with said con duit.

4. In apparatus of the character set forth, the combination of a housing, a combustion chamber in said housing, a generator head applied to theouter side of'a wall of said housing, the head and wall having registering openings, a generator inside the housing, said generator having an open end mating with the opening of the head through the opening iny said wall, a water chamber, a conduit through which the upper end of the head and the corresponding end of the water chamber communicate, communicative connections between the lower end of said'water chamber and the corresponding end of the head, and means for maintaining a substantially constant water level in the chamber.

5. In apparatus of the character set forth, the combination of a housing, a combustion chamber in said housing, a generator head applied to the outer side of a wall of said housing, the head and wall having registering openings, a generator inside the housing, said generator having an open end mating with the opening of the head through the opening in said wall, a water chamber, a conduit through which the upper end of the head and the corresponding end of the water chamber communicate, communicative connections between the lower end of said water chamber and the corresponding end of the head, means fo-r maintaining a substantially constant water level in the chamber, and a steam superheater within the housing in juxtaposition to the generator and communicating with said conduit.

6. In apparatus of the character set forth, the combination of a housing, a combustion chamber in said housing, a generator head applied to the outer side of a wall of said housing, the head and wall having registering openings, a generator inside the housing, said generator having an open end mating with the opening of the head through the opening in said wall, a water chamber, a conduit through which the upper end of the head and the corresponding end of the water chamber communicate, communicative co-nnections between the lower ends of said water chamber and head. means for maintaining a substantially constant water level in the chamber. and a water level gauge communieating at its upper end with said conduit and at its lower end with said connections.

7. In apparatus of the character set forth, the combination of a housing, a combustion chamber in said housing, an opening in a wall of the housing above said combustion chamber, a generator head applied to the outer side of said wall and having an opening registering with the opening of the wall, a water chamber disposed outside the housing. a conduit leading from the upper end of said head to the corresponding end of the y water chamber. communicative connections between the lower portions of the water chamber and head` and a generator body disposed within the housing above the comb-ustion chamber and removably connected to said head through the opening in the aforesaid wall of the housing.

8. In combination. a boiler. a chamber into which water flows from the boiler upon attaining a predetermined level, a filling` column, a. conduit leading from said column to said chamber and into which the chamber is adapted to drain, means affording drainage of water, but preventing egress of steam, from the chamber to said conduit, a water supply, and a pump and its connections for drawing water from said conduit nd from the supply and delivering it to the o1 er.

9. In combination, a boiler, means for heating the same, a chamber communicating with the steam and water spaces of the boiler and into which water may overflow from the boiler when it exceeds a predetermined level, the chamber having a port through which overflow water may drain and through which water may enter for initially lling the boiler, and means tending normally to maintain said port open but acting under the influence of the steam in said chamber to close the port, said means being shielded from the effects of the steam by an accumulation of water in the chamber.

10. In combination, a boiler, means lfor heating the same, a chamber communicating with the steam and water spaces of the boiler and into which water may overflow from the boiler when it exceeds a predetermined level, the chamber having a port through which overflow water may drain and through which water may enter for initially lilling the boiler, and thermostatic means in said chamber for controlling said port which, when the apparatus is not in operation and therefore cool, or when said means is surrounded by water and thus protected from the influence of the steam, will cause said port to be open, and which, when exposedv to the influence of the steam, will cause said port to be closed.

ll. In apparatus of the character set forth, the combination of a boiler consisting of a head, and a body portion for application to said head, the head having a comparatively large opening and being'built into the apparatus and having` water inlet and steam outlet connections and the body portion consisting of a vessel that is large of bulk and capacity relative to said head and is provided with a comparatively large opening arranged to register with the aforesaid opening of the head, and means separably connecting the body por` tion to said head so that the body portion may be removed at will without disturbing the aforesaid connections. i

12, In apparatus of the character set forth, the combination of a housing, a combustion chamber in said housing, a generator head applied to the outer side of a wall of said housing, the head and wall having` registering openings, a generator' inside the housing, said generator having an open end mating with the opening of the head through the opening in said wall, a water chamber, communicative connections between the water chamber and head, and means for maintaining a substan tially constant water level in the chamber.

In testimony whereof, I hereunto aiiiX my signature. Y

MARC

-llO

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