GB2079631A - Spraying viscous liquids - Google Patents
Spraying viscous liquids Download PDFInfo
- Publication number
- GB2079631A GB2079631A GB8120246A GB8120246A GB2079631A GB 2079631 A GB2079631 A GB 2079631A GB 8120246 A GB8120246 A GB 8120246A GB 8120246 A GB8120246 A GB 8120246A GB 2079631 A GB2079631 A GB 2079631A
- Authority
- GB
- United Kingdom
- Prior art keywords
- molasses
- cup
- outlet member
- sprayer
- under pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/1606—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed the spraying of the material involving the use of an atomising fluid, e.g. air
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/061—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with several liquid outlets discharging one or several liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Confectionery (AREA)
Abstract
A sprayer for molasses or similar viscous liquid is provided with means whereby a heated gaseous medium such as steam under pressure is directed past an outlet member or cup (2) for mixing with molasses discharging from the cup in order to effectively break up the discharging molasses into a finely divided spray. A further gaseous medium such as air under pressure is preferably also directed past the cup (2) for also breaking up the discharging molasses, the air and steam being directed from respective annular openings or clearances (30,40) about the cup (2). The air outlet opening (30) is located immediately about the cup (2) so as to enable coolant air flow to take place between the cup (2) and adjacent steam flow to the annular opening (40). Inlet means (61,63) is provided to the cup (2) for the periodic admission of steam under pressure into the cup for purging it of molasses tending to adhere within it due to caramelisation of the molasses. <IMAGE>
Description
SPECIFICATION
Sprayer for molasses or the like
This invention relates to sprayers for spraying
molasses or similar viscous liquids and method of
operation thereof, e.g. for spraying molasses in
finely divided form into cattle or other animal food or
for spraying animal fats and acid oils.
The invention is concerned with such sprayers in
which the molasses or the like discharges from an
outlet member or cup into a stream of a gaseous
medium, e.g. air flowing past the outlet member or cup whereby the discharging molasses or other viscous liquid is broken up into finely divided form.
A A sprayer of this general kind is set forth in the .specification of our prior patent No. 1,315,157 in
which air under pressure is directed past a rotatable
thrower cup to break up molasses or the like
discharging therefrom.
The object of this invention is to provide a sprayer
of the abovementioned general kind having an
improved spraying action for enabling an improved
method of spraying to be carried out and which may
be of simplified construction. Practical advantages in
these and other respects will be apparent from the
following disclosure.
According to this invention a sprayer for molasses
or a similar viscous liquid is characterised by the
sprayer having means for directing a heated
gaseous medium such as steam under pressure past
an outlet member or discharge cup of the sprayer,
i.e. in the direction of molasses or similar liquid
discharge therefrom in order to mix with and break
up the discharging molasses or the like into a finely
divided spray beyond the outlet member or dis
charge cup.
Further in accordance with the invention the
method of spraying molasses or a similar viscous
liquid is characterised by directing a heated gaseous
medium such as steam under pressure past an outlet
member or discharge cup of a sprayer in order to
mix with and break up the molasses or the like
discharging from the outlet member or cup into a
finely divided spray beyond the outlet member or
discharge cup.
In practice the construction and arrangement of
the sprayer is as follows, reference being had to the
accompanying drawing which is an axial plane
section of the sprayer.
For spraying molasses, the sprayer is shown
intended for use in a vertical position in order to
direct the spray of molasses in a downward direc
tion, e.g. into cattle food.
The sprayer comprises an outlet casing 1 contain
ing a discharge cup 2 about a vertical axis, the
interior wall 22 of the cup 2 being of taper or conical
form diverging to the lower mouth 20 of the cup. The
cup 2 may be rotatable about its axis but is
preferably non-rotatable as shown for simplified
construction of the sprayer.
The casing 1 contains at its lower part an annular
nozzle 3 shown of conical form in an opposite
manner to the cup 2 and concentrically surrounding
F S A I e ttA r z ^ i t h r I ~ n r n n r = a f . n a further concentric member or ring 4 of conical form being provided with clearance 40 about the conical nozzle 3 and shown carried by a base plate 5 on which the casing 1 is mounted.
In use molasses is introduced axially into the upper end of the cup 2 from a supply pump (not shown) via an axial passageway 60 in a support member 6 carrying the cup 2. The upper interior of the cup 2 contains a ported deflector 62 for directing the molasses against the interior conical wall 22 of the cup 2 whereby the molasses flows downwardly in a divergent direction and discharges in a similar manner from the mouth 20 of the cup 2. The support member 6 is shown mounted from the top of the casing 1 by a hollow bolt 66.
Air under pressure is admitted into the casing 1 at the inlet 10 so as to issue at 30 between the exterior of the mouth 20 of the cup 2 and the conical nozzle 3 in order to mix with molasses divergently discharging from the cup 2 and so break up the molasses into a fine spray.
In order to obtain a more effective breaking up of the molasses and in accordance with this invention steam is also introduced into the molasses discharging from the cup 2 from a steam chest 44, i.e.
through the annular clearance 40 between the conical nozzle 3 and the ring 4. The steam chest 44 is supplied with steam in any suitable manner not shown.
The heating action of the steam renders the molasses less viscous so that it is more readily broken up into a finely divided spray by the combined action of the air and steam under pressure.
The operation of the sprayer also has the advantage that intermixing of the steam with the molasses occurs beyond (i.e. outside) the sprayer thus directing heat away from the internal parts of the sprayer.
Even so and whereas the introduction of the steam has the desired effect of breaking up the discharging molasses into a fine spray, the heat of the steam may still have the undesired effect of causing "caramelisation" of the molasses in the cup 2 thus hindering, or even preventing, discharge of molasses therefrom.
In the arrangement shown this is prevented to a considerable extent by the fact that the air under pressure issues at 30 immediately adjacent the cup 2, i.e. between the latter and the conical nozzle 3 so as to act as a coolant flow between the cup 2 and the heat due to steam in the chest 44 which, after a period of use would otherwise cause heating of the cup 2 up to caramelisation temperature (about 1 04 C).
In order to ensure that caramelisation does not occur or build up during a period of operation of the sprayer, the interior of the cup 2 is arranged to be purged with steam preferably at regular intervals, the purging steam being introduced via an inlet passageway 63 and annular chamber or gallery 11 in the upper part of the casing 1 and from thence via one or more radial passageways 61 into the supply passageway 60 for molasses to the cup 2. Steam introduced in this way thus flushes the whole interior of the cup 2, i.e. the wall 22 and also the sorted deflector 62 and thus enables proper flow of the molasses to be maintained. Such steam purging may take place for a period of six seconds every fifteen minutes and its admission to the passageway 63 may be effected by a timer controlled solenoid operated valve.Here again these periods may be varied according to requirements whilst the steam for this purpose may be from the same source of supply as that to the steam chest 44 or tapped off the latter. Alternatively a separate steam supply at 63 may be employed.
The air inlet 10 to the chamber 1 may include a metering orifice.
The base plate 5 on which the casing 1 is mounted together with the cup 2 and nozzles 3,4 is shown hingedly mounted at 50 on a support plate our flange 70 of inlet passageway structure 7 to a cattle food or similar container, a readily reieasable bolt connection 55 being provided to enable the complete sprayer 1 to be swung clear of the inlet passageway 7 for inspection or cleaning purposes. When the sprayer is in position of use fluidtight contact between the base plate 5 and support plate 70 is provided by an annular seal 8.
As well as having an effective spraying action the sprayer also conveniently provides means for directing steam down the inlet passageway 7 for required heating or cooking of cattle food and also for dust abatement.
Claims (12)
1. A sprayer for molasses or a similar viscous liquid characterised by the sprayer having means for directing a heated gaseous medium such as steam under pressure past an outlet member or discharge cup of the sprayer, i.e. in the direction of molasses or similar liquid discharging therefrom in order to mix with and break up the discharging molasses or the like into a finely divided spray beyond the outlet member or discharge cup.
2. A sprayer according to claim 1 wherein the said means provides an annular opening or clearance about the outlet member or discharge cup for direction of the heated gaseous medium or steam under pressure past the latter.
3. A sprayer according to claim 1 or 2 wherein further means is provided for directing a further gaseous medium such as air under pressure past the outlet member or discharge cup, i.e. in the direction of molasses or the like discharging therefrom in order to also mix with and break up the discharging molasses into a finely divided spray beyond the outlet member or discharge cup.
4. A sprayer according to claim 3 wherein the further means provides an annular opening or clearance about the outlet member or discharge cup for direction of the air or the like under pressure past the latter.
5. A sprayer according to claims 2 and 4 wherein the annular opening or clearance for direction of air or the like under pressure past the outlet member or discharge cup is provided immediately about the latter, and the annular opening or clearance for direction of the heated gaseous medium or steam under pressure is provided about said annular opening or clearance for direction of air or the like, whereby coolant air or like flow is able to take piace between the outlet member or discharge cup and adjacent flow of steam or other heated gaseous medium.
6. A sprayer according to any of the preceding claims wherein inlet means is provided for the periodic admission of a heated gaseous medium such as steam under pressure into the inner end of the outlet member or discharge cup so as to purge the latter of molasses or the like tending to adhere within the outlet member or cup, e.g. due to caramelisation of molasses therein.
7. A sprayer for molasses or a similar viscous liquid substantially as herein described with refer- ence to the accompanying drawing.
8. Method of spraying molasses or a similar viscous liquid characterised by directing a heated gaseous medium such as steam under pressure past an outlet member or discharge cup of a sprayer in order to mix with and break up the molasses orthe like discharging from the outlet member or cup into a finely divided spray beyond the outlet member or discharge cup.
9. Method of spraying molasses or a similar viscous liquid according to claim 8 further characterised by also directing air or the like under pressure past the outlet member or discharge cup of the sprayer for also mixing with and breaking up the discharging molasses or similar liquid into a finely divided spray.
10. Method of spraying molasses or a similar viscous liquid according to claims 8 and 9 wherein the direction of air or the like under pressure is effected between the direction of the heated gaseous medium such as steam under pressure and the outlet member or discharge cup of the sprayer in order to provide cooling airflow between the heated gaseous medium or steam and the outlet member or discharge cup.
11. Method of spraying molasses or a similar viscous liquid according to any of claims 8 to 10 wherein a heated gaseous medium such as steam under pressure is periodically admitted into the inner end of the outlet member or discharge cup of the sprayer in order to purge the outlet member or cup of molasses or the like tending to adhere within the outlet member or cup, e.g. due to caramelisation of molasses therein.
12. Method of spraying molasses or a similar viscous liquid substantially as herein described with reference to the accompanying drawing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8120246A GB2079631B (en) | 1980-07-09 | 1981-07-01 | Spraying viscous liquids |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8022403 | 1980-07-09 | ||
GB8120246A GB2079631B (en) | 1980-07-09 | 1981-07-01 | Spraying viscous liquids |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2079631A true GB2079631A (en) | 1982-01-27 |
GB2079631B GB2079631B (en) | 1984-07-11 |
Family
ID=26276157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8120246A Expired GB2079631B (en) | 1980-07-09 | 1981-07-01 | Spraying viscous liquids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2079631B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2531878A1 (en) * | 1982-08-20 | 1984-02-24 | Lechler Gmbh & Co Kg | TWO FLUID SPRAY NOZZLE |
GB2131328A (en) * | 1982-12-10 | 1984-06-20 | Dresser Ind | Improvements in or relating to liquid spraying |
WO2000078472A1 (en) * | 1999-06-21 | 2000-12-28 | Frigomat S.P.A. | Plant for delivering liquid or pasty products |
CN114345233A (en) * | 2021-12-20 | 2022-04-15 | 山东天力能源股份有限公司 | Spray granulation device and atomization method suitable for high-concentration calcium chloride solution |
-
1981
- 1981-07-01 GB GB8120246A patent/GB2079631B/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2531878A1 (en) * | 1982-08-20 | 1984-02-24 | Lechler Gmbh & Co Kg | TWO FLUID SPRAY NOZZLE |
GB2131328A (en) * | 1982-12-10 | 1984-06-20 | Dresser Ind | Improvements in or relating to liquid spraying |
WO2000078472A1 (en) * | 1999-06-21 | 2000-12-28 | Frigomat S.P.A. | Plant for delivering liquid or pasty products |
CN114345233A (en) * | 2021-12-20 | 2022-04-15 | 山东天力能源股份有限公司 | Spray granulation device and atomization method suitable for high-concentration calcium chloride solution |
CN114345233B (en) * | 2021-12-20 | 2023-08-22 | 山东天力能源股份有限公司 | Spray granulation device and atomization method suitable for high-concentration calcium chloride solution |
Also Published As
Publication number | Publication date |
---|---|
GB2079631B (en) | 1984-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920701 |