CN202018212U

CN202018212U - Steam water mixed heating device

Info

Publication number: CN202018212U
Application number: CN2010206486256U
Authority: CN
Inventors: 张夕斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-26
Filing date: 2010-11-26
Publication date: 2011-10-26
Anticipated expiration: 2020-11-26

Abstract

The utility model relates to a steam water mixed heating device, which comprises a steam water heating chamber, wherein a water inlet pipe, a steam pipe and a water outlet pipe which are provided with flanges are respectively arranged on the chamber wall of the steam water heating chamber. The steam water mixed heating device is characterized in that a reducing spray pipe is arranged in the water inlet pipe, a mixing pipe is arranged in the water outlet pipe, a mixing cavity provided with a cone-shaped inlet is arranged in a pipe body of the mixing pipe, an outlet of the reducing spray pipe is positioned in the cone-shaped inlet of the mixing pipe, and the outer pipe wall of the outlet of the reducing spray pipe and the inner pipe wall of the cone-shaped inlet of the mixing pipe form an annular Laval reducing spray pipe. Heated water is jetted into the mixing pipe after the pressure reduction and the acceleration through the reducing spray pipe, steam flows through an annular Laval shrinkage spraying pipe to be thermally insulated and expanded and is sprayed out at a supersonic velocity to enter a mixed pipe and to be sharply mixed with the heated water, the latent heat of vaporization is discharged to be condensed into water, and the heated hot water absorbs the evaporation latent heat for raising the temperature. The steam water mixed heating device has the advantages that the design is reasonable, the structure is simple, the steam and water mixing noise is low, the operation is stable, the regulation amplitude is broadened, the heat efficiency is high, and the application range is wide.

Description

A kind of carbonated drink hybrid heating device

Technical field

The utility model relate to a kind of have state variation, heat exchange medium is other direct contact heat switching equipment of a kind of liquid and a kind of gas or steam, especially a kind of carbonated drink hybrid heating device.

Background technology

As everyone knows, existing carbonated drink firing equipment can be divided into two classes by heat transfer character: the one, and surface-type heat exchanger, its steam does not directly mix with water, but utilize the metal surface to transmit the heat of steam, carry out heat exchange with water, this its advantage of class carbonated drink firing equipment is that operation is more stable, and shortcoming is that the consumption steel are too many, price is higher, and the thermal source utilization rate is lower; Another kind of is steam-water injection, and its steam directly mixes with water.For example, in the CN2033887U China utility application specification of announcing on March 8th, 1989 disclosed a kind of " jetting type carbonated drink hybrid heat exchanger ", this heat exchanger has a steam jet pipe that extend in the carbonated drink mixing chamber, this steam jet pipe and carbonated drink mixing chamber concentric arrangement, be cast as one, air intake, venthole are coaxial parallel relation with delivery port, water inlet mixes on the locular wall with the carbonated drink between the venthole at air intake, steam jet pipe has certain taper, makes noise and vibration disappearance under specific operation.Above-mentioned disclosed carbonated drink hybrid heat exchanger, its volume is little, the consumption steel are few, the thermal efficiency is high, and maintenance cost is low, but exists the deficiency that operation stability is relatively poor, adjusting range is little, so its application is subjected to certain limitation.

Summary of the invention

In order to overcome the deficiency that carbonated drink hybrid heat exchanger operation stability is poor in the prior art, adjusting range is little, the utility model provides a kind of simple in structure, reasonable in design, the thermal efficiency is high, noise is little, applied widely carbonated drink hybrid heating device.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of carbonated drink hybrid heating device, it comprises a carbonated drink heating clamber, be respectively equipped with a water inlet pipe on the locular wall of this carbonated drink heating clamber, one steam inlet pipe and an outlet pipe, water inlet pipe, the import department of steam inlet pipe and the exit of outlet pipe are respectively equipped with flange, described water inlet pipe and outlet pipe are in same axis, it is characterized in that: in described water inlet pipe, be provided with a convergent jet pipe, in described outlet pipe, be provided with a mixing tube, be provided with the hybrid chamber of band taper import in the body of this mixing tube, the outlet of described convergent jet pipe is positioned at the taper import of mixing tube, and the inner tubal wall of the outer tube wall of its convergent nozzle exit and the import of mixing tube taper constitutes a ring-type daraf(reciprocal of farad) that de Laval noz(zle).

The above-mentioned convergent jet pipe that is arranged in the water inlet pipe, coaxial line is provided with a cylindrical intake antrum and a frustoconical spray chamber in its body, and the tapering of its frustoconical spray chamber is with the current direction convergent.

The above-mentioned outlet pipe that is arranged on the carbonated drink heating clamber locular wall, its exit flange connects a diffuser pipe.

Above-mentioned flange is connected the diffuser pipe in outlet pipe exit, and coaxial line is provided with a cylindrical adapter cavity and a frustoconical diffusion chamber in its body, and the tapering in its frustoconical diffusion chamber is with the current direction flaring.

After taking above-mentioned technical scheme, the beneficial effect that the utility model reaches is: be provided with a convergent jet pipe in the water inlet pipe of carbonated drink heating clamber, in outlet pipe, be provided with a mixing tube, be provided with the hybrid chamber of band taper import in the mixing tube, the outlet of convergent jet pipe is positioned at the taper import of mixing tube, the inner tubal wall of the outer tube wall of its convergent nozzle exit and the import of mixing tube taper constitutes a ring-type daraf(reciprocal of farad) that de Laval noz(zle), and it is reasonable in design, simple in structure; Be heated water and after the decompression of convergent jet pipe, acceleration, spraying the hybrid chamber that enters mixing tube with lower pressure, vapor stream adiabatic expansion in your de Laval noz(zle) of ring-type daraf(reciprocal of farad) enters the hybrid chamber of mixing tube with the supersonic speed ejection, sharply mix with the water that is heated in the hybrid chamber, steam is emitted the latent heat of vaporization and is condensed into water, be heated water and absorb latent heat of vaporization intensification, its thermal efficiency height.The utility model carbonated drink mix noise little, operate steadily, adjusting range broadens, applied widely.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Accompanying drawing is a kind of structure master's cutaway view of the present utility model.

Among the figure: 1. carbonated drink heating clamber, 2. steam inlet pipe, 3. flange, 4. water inlet pipe, 5. flange, 6. convergent jet pipe, 601. cylindrical intake antrums, 602. frustoconical spray chamber, 7. ring-type daraf(reciprocal of farad) that de Laval noz(zle), 8. mixing tube, 801. the taper import, 802. hybrid chambers, 9. diffuser pipe, 901. cylindrical adapter cavity, 902. frustoconical diffusion chamber, 10. outlet pipes, 11. flange, 12. flanges, 13. flanges.

The specific embodiment

In the accompanying drawings, a kind of carbonated drink hybrid heating device comprises a carbonated drink heating clamber 1.

Be respectively equipped with a water inlet pipe 4, a steam inlet pipe 2 and an outlet pipe 10 on the locular wall of this carbonated drink heating clamber 1.

Water inlet pipe 4 and outlet pipe 10 are in same axis.Steam inlet pipe 2 is on the locular wall of the carbonated drink heating clamber 1 between water inlet pipe 4 and the outlet pipe 10.

The exit of the import department of the import department of water inlet pipe 4, steam inlet pipe 2 and outlet pipe 10 is respectively equipped with

flange

5,3,11.

As shown in drawings, be provided with a convergent jet pipe 6 in water inlet pipe 4, coaxial line is provided with a cylindrical intake antrum 601 and a frustoconical spray chamber 602 in the body of this convergent jet pipe 6, and the tapering of its frustoconical spray chamber 602 is with the current direction convergent.

In outlet pipe 10, be provided with a mixing tube 8, be provided with the hybrid chamber 802 of band taper import 801 in the body of this mixing tube 8.

In the accompanying drawings, the outlet of convergent jet pipe 6 is positioned at the taper import 801 of mixing tube 8, and the outer tube wall of its convergent jet pipe 6 outlets and the inner tubal wall of mixing tube taper import 801 constitute a ring-type daraf(reciprocal of farad) that de Laval noz(zle) 7.

As shown in drawings, water inlet pipe 4 imports can be connected through flange 5 and be heated on the waterpipe, and outlet pipe 10 outlets can be connected on the outlet conduit through flange 11, and steam inlet pipe 2 imports can be connected on the jet chimney through flange 3.Be heated water and enter spray chamber 602, increase, spray the hybrid chamber 802 that enters mixing tube 8 to set low pressure stream in the exit of convergent jet pipe 6 at the reduction of spray chamber 602 fluid pressures, flow velocity through the intake antrum 601 of convergent jet pipe 6; Steam enters in the carbonated drink heating clamber 1 by steam inlet pipe 2, the ring-type daraf(reciprocal of farad) that de Laval noz(zle) 7 that the outer tube wall that the convergent jet pipe 6 of flowing through exports and the inner tubal wall of mixing tube taper import 801 constitute, in your de Laval noz(zle) 7 of ring-type daraf(reciprocal of farad), spray with supersonic speed after the adiabatic expansion, enter the hybrid chamber 802 of mixing tube 8; Swiftly flowing gas breaks liquid jet rapidly and forms uniform liquid-vapor mixture in hybrid chamber 802, and wherein steam is emitted the latent heat of vaporization and is condensed into water, is heated the water heating that heated up, and after outlet pipe 10 outlets send in the outlet conduit.

When outlet conduit is heat supply pipeline, then and further carry out boosting with adding hot water.The scheme of boosting is: be provided with a diffuser pipe 9 between the exit of outlet pipe 10 and outlet conduit.As shown in the drawing, coaxial line is provided with a cylindrical adapter cavity 901 and a frustoconical diffusion chamber 902 in the body of this diffuser pipe 9, and the tapering in its frustoconical diffusion chamber 902 is with the current direction flaring.Import in cylindrical adapter cavity 901 and frustoconical diffusion chamber 902 is respectively equipped with

flange

12,13, and an end of diffuser pipe 9 is connected with the flange 11 in outlet pipe 10 exits by flange 12, and the other end can be connected with heat supply pipeline through flange 13.

Hybrid Heating fluid in the mixing tube hybrid chamber 802 enters diffuser pipe 9 through adapter cavity 901 under follow-up fluid promotes, the fluid-mixing flow velocity reduces in the diffusion chamber 902 of diffuser pipe 9, pressure raises, and is heated hot water to diffuser pipe 9 outlets and reaches design standard and send into water outlet (heat supply) pipeline.

Claims

1. carbonated drink hybrid heating device, it comprises a carbonated drink heating clamber, be respectively equipped with a water inlet pipe on the locular wall of this carbonated drink heating clamber, one steam inlet pipe and an outlet pipe, water inlet pipe, the import department of steam inlet pipe and the exit of outlet pipe are respectively equipped with flange, described water inlet pipe and outlet pipe are in same axis, it is characterized in that: in described water inlet pipe, be provided with a convergent jet pipe, in described outlet pipe, be provided with a mixing tube, be provided with the hybrid chamber of band taper import in the body of this mixing tube, the outlet of described convergent jet pipe is positioned at the taper import of mixing tube, and the inner tubal wall of the outer tube wall of its convergent nozzle exit and the import of mixing tube taper constitutes a ring-type daraf(reciprocal of farad) that de Laval noz(zle).

2. a kind of carbonated drink hybrid heating device according to claim 1 is characterized in that: the described outlet pipe that is arranged on the carbonated drink heating clamber locular wall, its exit flange connects a diffuser pipe.

3. a kind of carbonated drink hybrid heating device according to claim 1 and 2, it is characterized in that: the described convergent jet pipe that is arranged in the water inlet pipe, coaxial line is provided with a cylindrical intake antrum and a frustoconical spray chamber in its body, and the tapering of its frustoconical spray chamber is with the current direction convergent.

4. a kind of carbonated drink hybrid heating device according to claim 2, it is characterized in that: described flange is connected the diffuser pipe in outlet pipe exit, coaxial line is provided with a cylindrical adapter cavity and a frustoconical diffusion chamber in its body, and the tapering in its frustoconical diffusion chamber is with the current direction flaring.