Abrégé

A steam direct injection injector and direct injection heater assembly. The injector defines an enclosure having an upstream end that is constructed to receive a steam fluid flow and a plurality of radially oriented orifices that are configured to distribute and inject the steam into a surrounding fluid. A seat is disposed proximate a downstream end of the injector and a movable plug or modulating component is disposed within the enclosure proximate the seat. A biasing element is disposed between the seat and the modulating component and configured to interact with the seat and the modulating component to allow selective exposure of a second heating section without obstructing a first heating section that are defined by the radially oriented orifices of the injector.

Classes IPC  ?

• F22B 37/72 - Distribution de l'eau dans les tubes d'eau comportant des dispositifs d'injection
• F22B 29/06 - Chaudières à vapeur du type à circulation forcée du type à circulation ouverte, c.-à-d. composées de tubes admettant de l'eau à une extrémité et dégageant de la vapeur surchauffée à l'autre extrémité
• F22B 37/74 - Étranglements des tubes ou des faisceaux de tubes

Abrégé

A steam direct injection injector and direct injection heater assembly. The injector defines an enclosure having an upstream end that is constructed to receive a steam fluid flow and a plurality of radially oriented orifices that are configured to distribute and inject the steam into a surrounding fluid. A seat is disposed proximate a downstream end of the injector and a movable plug or modulating component is disposed within the enclosure proximate the seat. A biasing element is disposed between the seat and the modulating component and configured to interact with the seat and the modulating component to allow selective exposure of a second heating section without obstructing a first heating section that are defined by the radially oriented orifices of the injector.

Classes IPC  ?

• F28B 3/06 - Condenseurs dans lesquels la vapeur d'eau ou autre vapeur vient en contact direct avec l'agent de refroidissement par injection de la vapeur d'eau ou autre vapeur dans le liquide de refroidissement
• F28B 3/08 - Condenseurs dans lesquels la vapeur d'eau ou autre vapeur vient en contact direct avec l'agent de refroidissement avec des organes rotatif
• F28B 11/00 - Commandes avec caractéristiques particulières d'adaptation aux condenseurs
• F28C 3/08 - Autres appareils échangeurs de chaleur à contact direct les sources de potentiel calorifique étant un liquide et un gaz ou une vapeur avec changement d'état, p. ex. absorption, évaporation, condensation
• F28F 27/02 - Commandes ou dispositifs de sécurité spécialement adaptés pour les appareils d'échange ou de transfert de chaleur pour commander la répartition des sources de potentiel calorifique entre des canaux différents

Produits et services

Machine parts for injection heating apparatus for industrial purposes, namely, direct injection diffusers Injection heating apparatus for industrial purposes, namely, direct steam injection heaters for the heating and mixing of liquids and slurries; replacement parts for injection heating apparatus for industrial purposes, namely, direct injection diffusers

Produits et services

(1) Direct steam injection heaters for sanitary and industrial purposes

Produits et services

Heating units for industrial use, namely, injection heaters

Abrégé

The claimed invention teaches direct contact steam injection heater capable of handling steam pressure in excess of 300 psi. Specifically, the invention provides: a fixed upper seal assembly situated between the diffuser base and the diffuser which is designed to prevent the flow of steam around the regulating member into the diffuser.

Classes IPC  ?

• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides
• F28C 3/08 - Autres appareils échangeurs de chaleur à contact direct les sources de potentiel calorifique étant un liquide et un gaz ou une vapeur avec changement d'état, p. ex. absorption, évaporation, condensation

Abrégé

An improved configuration for an in-line direct contact diffuser-type steam injection heater provides for a diffuser whereby steam flow is controlled using an angled sonic diffuser and plug arrangement. The steam flow is controlled by means of a steam plug which selectively exposes holes through which the steam passes. In the preferred embodiment, the configuration provides for a diffuser that had been angled approximately 30° from vertical to facilitate better mixing of the steam with the fluid. The precise angle may be altered depending on the fluid characteristics. A more durable end seal is also used. The end seal is a piston ring which prevents problems associated with the use of elastomeric rings of existing art. A more uniform diameter plug with linear travel is also an improvement over the prior art.

Classes IPC  ?

• B01F 3/04 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de gaz ou de vapeurs avec des liquides