US938075A

US938075A - Water-purifying apparatus.

Info

Publication number: US938075A
Application number: US50097609A
Authority: US
Inventors: Hans Reisert
Original assignee: Individual
Current assignee: Individual
Priority date: 1909-06-08
Filing date: 1909-06-08
Publication date: 1909-10-26
Anticipated expiration: 1926-10-26

Description

H. REISERT.

WATER PUBIFYING APPARATUS.

I APPLIOATION FILED JUNE 8, 1909.

Patented Oct. 26, 1909.

2 SHEETSSHEET 1.

Hmeooeo H. REISERT.

WATER PURIFYING APPARATUS.

APPLICATION FILED JUNE 8, 1909.

Patented Oct. 26, 1909.

2 SHEETS-SHEET 2.

' vided'within the chamber w'hich the air and water are Hans, nnxsniifor 66mins; ennmanx.

WATER-PURIFYING APPARATUS.

Specification of lletters Patent.

Patented Oct. 26, 1909.

Application filed June 8, 1909. Serial No. 500,976.

To all whom it may concern:

Be it known that I, I-IANs REIsER'r, a citizen of the Empire of Germany, and a resi dent of Cologne, Germany, have invented certain new and useful Improvements in Water-Purifying Apparatus, of which the following is a specification.

Some of the objects of my invention, are, first, to provide a water-purifying apparatus wherein the ferruginous matter and anal- ,ogous material carried by the water will be removed by oxidation; second, to provide a water -purifying apparatus in which the oxidation is accomplished by bringing the air under pressure into contact with the water in a finely divided state; and, third to provide means whereby the pressure and water level are regulated.

. With these and other objects in view, my invention consists in the novel parts, improvements, and combinations more particularly set forth in the claims.

Referring to the accompanyin drawings, which are attached to the spec' cation and form a part thereof, Figures 1 and 2 are vertical sections of two forms of my improved water-purifying apparatus.

As shown in Fi 1, the apparatus consists of a closed tank orming a mixing chamber 1, and provided with a conical-shaped bottom 30. The lower portion 4 of this mixing chamber is adapted to hold the water while the upper part 5 contains compressed air.

- Through the apex of the bottom 30, air is 1n.-

troduced into the mixing chamber by means of the pipe 6-provided with a valve 7 for regulating the flow of this pipe 6 I afiix a rotary valve or nozzle 8, whereby the air, as it issues therefrom, will pass up through the water in a circular or rotary motion. Water is su plied to the chamber 1 by the pipe 9. cans are pro- 1 whereby the water as it issues from the pipe 9 will be converted into a thinly or finely divided state as it falls into the chamber. In the referred form, said means consist of a plura ity of

open pans

10, 11 and 12, placed one above the other. The pipe 9 is secured to the bottom of the pan over. the edge of this'pan it will fall in a thin sheet upon the an 11, thence in a thin sheet to pan 12, an thence in like-manner into the chamber below. The pressure under introduced into in the lower part within the chamber air. To the end of 10, so that as the water flows I the mixing chamber may be so regulated that the water maybe maintained at any desired level. To keep the water at such level, I provide a regulator 13, which consists of a cylinder connected to the mixing chamber 1 by two

passages

14 and 15, the passage 14 communicating with the compressed air in the upper portion 5 of the chamber 1, while the passage 15 communicates with the water 4. Within the regulator 13 is a float valve 16 and adapted, as it rises and falls, to close and open the valve 17 in the top of the regulator 12. I further provide a water-level gage 18 connected to the mixing chamber 1 to indicate the level of the water therein. When the pressure of the air in the chamber 5 increases thus lower-. ing the water level, the float 16 falls and allows the'air to escape into the atmosphere through valve 17, thus lowering the pressure 5. The water level then rises. When the water level rises sufliciently the valve 17 is closed and the predetermined amount of air pressure keeps t e water level at a fixed height. Sludge is removed from the bottom of the mixing chamber by a pipe 19 with valve 20.

In the embodiment of the invention illustrated in Fig. 1 another settling and filtering tank is provided connected with the mixing chamber by pipe 21 in which valve 22 is located. The settling tank 23 has a conical bottom 24 from which the sediment may be removed by pipe 25 and valve 26.

- Two filtering tanks are preferably used, a coarse filter 27 on a screen 28 and a fine filter 29 on a screen 30. The water passes upwardly through filter 27 by means of pipe 31 to the fine filter 29 and then downwardly through the latter filter into the pure water reservoir 32 from which it discharges by outlet pipe 33 having valve 34. Suitable means are provided for washing out the fine filter. As illustrated I make use of a pipe 35 with valve 36' leading from the air chamber 5 to the pure water reservoir 32. When the valve 36' is opened, the air carries with it some ofthe water in reservoir 32 upwardly through the fine filter and discharges the impurities through discharge pipe 37 having a valve The air blast also stirs up the filter particles, thoroughly mixing them with the water in the tank containing the filter bed, this cleansing them. A baflle plate 39 prevents the filteringmaterial from reaching the mouth of the discharge pipe.' It will be observed that all three

pipes

19, 25 and 37 discharge into a drain 39.

Referring now to the embodimentof the invention illustrated in Fig. 2, all the parts are contained within a single structure which economizes floor space. The air chamber 40 receives compressed air from pipe 41, rotary valve 42, the air ascending through a mixing tank 43 with conical bottom 44. Raw water is supplied to the mixing chamber by pipe 48, the water flowing over

pans

45, 46, 47 to secure a complete interaction between air andwater. A water level indicator '49 indicates the level of the water and a regulator 50 having a float 51 which operates air valve 52 regulates the water level. The regulator has

passages

53, 54 communicating with the air chamber 40 and mixing chamber 43 respectively. A pipe 55 with valve 56 supplies the treated water to the'lower filtering tank 57. The water from the mixing chamber 43 passes over the coarse filter 58, then into compartment 59 and through fine filter 60 into the pure water compartment 61 from which it discharges by means of pipe 62. The slud e is siphoned from the mixing chamber 43 %y pipe 63 with valve 64. The fine filter is cleaned by purified water part of which is forced upwardly through the fine filter by compressed air supplied by pipe 65 having a valve 66 which pipe leads from theair chamber 40 into the pure water compartment 61. Suitable means are provided to indicate the condition of the filters and to determine when the. washout should take place. I provide

pressure gages

67 and 68 for this purpose. The pressure gage 67 by pipe 69 communicates with the I ar side ofthe filter 60 and the pressure gage 68by pipe 70 communicates with the near side ofthe filter 58. When the filter clogs, it produces a greater-resistance to the flow of the water through it, thus giving a reater back pressure which is indicated y the manometer 68 givin a higher indication. If the filters becom clogged theman'ometer 67 shows a decreased pressure on the far side of the filters.

The operation of the apparatus will be clear. The raw water is intimately mingled with atmospheric air which frees 'it from iron and the water level and consequently the conditions of working as to pressure, height of waterfall and so forth, are kept constant and at the same time, the spraying of the water through the air occurs in a closed, high pressure system.

My invention in its broader aspects is not limited to the particular constructions and relative arrangements of the parts hereinshown and described nor to any particular form of apparatus by which the invention may be carried into eifect, as many changes may be made in the construction and relative arrangement of theparts as required to adapt the apparatus to the circumstances of the particular application of the invention or to meet the. personal view of the engineer employed to carry the'invention into eflfect of the invention and without sacrificing its chief advantages.

Having thus described my invention, What I claim, and desire to secure by Letters Patent, is I 1. In a water-purifying apparatus, the combination of a water reservoir, means for upplying water thereto, means for oxidizing the ferruginous materials in the water, under pressure, and an automatic regulator for decreasing the pressure when 7 the water reaches a certain level.

2. In a water-purifying apparatus, the combination of a water reservoir, means for supplying water thereto, means for converting the water into a finely-divided state, means for oxidizing the ferruginous materials in the water under pressure, and an automatic regulator for decreasing the pressure when the water reaches a pertain level.

3. In a water-purifying apparatus, the combination of a mixing chamber having a water-supply inlet and an air-inlet for supplying air thereto under pressure, means for converting the water into a finely-divided state, a settling-chamber connected with said mixing chamber and having an outlet therefrom, and an automatic regulator for de creasing the pressure when the water inthe mixing chamber reaches a certain level.

4. In a water-purifying apparatus, the combination of a mixing chamber having a water-supply inlet andan air-inlet for supplying air thereto under pressure, means for converting the water into a finely-divided state, a settling-chamber connected with said mixing chamber and having an outlet therefrom,an automatic regulator for decreasing the pressure when the water in the mixing chamber reaches a certain level and a gage for indicating the water level in said mixing chamber.

5. In a water-purifying apparatus, the combination of a mixing chamber having a water-supply inlet and an air-inlet for supplying air under 'pressure thereto, means for converting the water as it comes from the -water inlet, into a thinly-divided state, a plurality of communicating filtering chambers, one of which is connected with said mixing chamber, asettling-chamber for receiving the purified water from one of the an automatic regulator for decreasing the pressure when the water in the mixing chamber has reached a certain level.

=6. In a water-purifying apparatus, the combination of a mixing chamber, a water supplying inlet, an air-inlet'for supplying without departing from the mainv principles filtering chambers, and having an outlet, and I air under pressure thereto, one or more pans arranged in the air compartmentof the mixing chamber and adapted to receive the water after it enters the chamber so as to convert it into a finely-divided state, a settling chamber connected with the mixing chamber, and an automatic regulator for decreasing the pressure when the water in ihe rlnixing chamber reaches a predetermined eve.

7 In a water-purifying apparatus, the combination of a mixing chamber having an air compartment and a water compartment, a Water supplying inlet, an air inlet for supplying air thereto under pressure, one or more pans for receiving the water as it enters the chamber for converting the water into a finely divided state, an automatic regulator including a pair or passages, one communicating with the air compartment and the other with the water compartment and a valve forming part of said regulator for decreasing the pressure when the water in the mixing chamber reaches a certain level.

8. In a water-purifying a paratus, the combination of a mixing cham er having an air compartment and a water compartment, a water supplying inlet, an air inlet for supplying air undenpressure, one or more pans for receiving the water as it enters the chamber for converting the water into a 'finely divided state, an automatic regulator including a pair of passages, one communicating with the air compartment and the other vwith the water compartment, a float in the regulator, a valve actuated by said float and controlling the passage to the atmosphere for decreasing the pressure whenthe water in the mixing chamber reaches a certain level.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

HANS REISERT.

, Witnesses;

LOUIS VANDOR, ,KETCH. MERZLACH.