阅读说明：本技术 一种传热传质装置 (Heat and mass transfer device ) 是由 不公告发明人 于 2018-06-07 设计创作，主要内容包括：本发明提供了一种传热传质装置。装置包括：外围腔体、起泡板、起泡孔；其中,所述外围腔体包括入口端和出口端；所述起泡板安装于所述外围腔体的内部；起泡孔位于起泡板上。工质一从所述入口端流入所述外围腔体后,流经所述起泡板时,在起泡孔上产生泡并鼓入工质二。本发明装置具有较高的传热传质效率。(The invention provides a heat and mass transfer device. The device comprises: a peripheral cavity, a foaming plate and a foaming hole; wherein the peripheral cavity comprises an inlet end and an outlet end; the foaming plate is arranged inside the peripheral cavity; the foaming holes are positioned on the foaming plate. After the first working medium flows into the peripheral cavity from the inlet end, bubbles are generated on the bubble generating holes and a second working medium is blown into the bubble generating holes when the first working medium flows through the bubble plate. The device has higher heat and mass transfer efficiency.)

1. A heat and mass transfer apparatus comprising: a peripheral cavity (1), a foaming plate (4) and a foaming hole (5);

Wherein the peripheral cavity (1) comprises an inlet end (2) and an outlet end (10); the foaming plate (4) is arranged inside the peripheral cavity (1); working medium I (3) enters the peripheral cavity (1) from the inlet end (2), and bubbles (11) are generated below the foaming plate (4) through the foaming holes (5) in the foaming plate (4) and enter the liquid pool (6) of working medium II.

2. heat and mass transfer apparatus according to claim 1, characterised in that the bubble generating cells (5) form pools on the bubble plate (4) in a number of 5 to 500, the peripheral distance between adjacent pools being between 5 and 50 mm.

3. Heat and mass transfer apparatus according to claim 1 or 2, characterised in that the bubble plate (4) is provided with a plurality of second-refrigerant-philic flow guide plates (8).

4. Heat and mass transfer apparatus according to claim 1 or 2, characterized in that the hole-center spacing of the adjacent two bubble-generating holes (5) is between 0.3 and 30 mm.

5. Heat and mass transfer apparatus according to claim 1 or 2, characterized in that the pore size of the bubble generating chamber (5) is between 0.2 and 5 mm.

6. Heat and mass transfer apparatus according to claim 4, characterised in that the pore size of the bubble generating chamber (5) is between 0.2 and 5 mm.

7. Heat and mass transfer apparatus according to claim 1, 2 or 6, characterised in that the material surface of the bubble plate (4) is lyophilic or super-lyophilic with respect to the working substance.

8. Heat and mass transfer apparatus according to claim 1, 2 or 6, characterized in that the bubble plate (4) is provided with a bubble nozzle (7); the foaming hole (5) is positioned in the foaming nozzle (7); the foaming nozzle is raised from the foaming plate (4).

9. Heat and mass transfer apparatus according to claim 4, characterised in that the bubble plate (4) is provided with a bubble nozzle (7); the foaming hole (5) is positioned in the foaming nozzle (7); the foaming nozzle is raised from the foaming plate (4).

10. Heat and mass transfer apparatus according to claim 5, characterised in that the bubble plate (4) is provided with a bubble nozzle (7); the foaming hole (5) is positioned in the foaming nozzle (7); the foaming nozzle is raised from the foaming plate (4).

11. Heat and mass transfer apparatus according to claim 8, characterised in that the material surface of the foaming nozzle (7) is lyophilic with respect to the working substance; and the inner surface of the foam opening hole (5) is lyophobic to the working medium II.

12. Heat and mass transfer apparatus according to claim 1, wherein the working fluid one (3) is a gas and the working fluid two is a liquid.

13. Heat and mass transfer apparatus according to claim 1, characterised in that working fluid one (3) is one liquid and working fluid two is another liquid.

14. heat and mass transfer apparatus according to claim 1, characterised in that the working fluid one (3) and/or working fluid two is a fluidised substance, comprising particles or supercritical fluid or plasma.

15. The heat and mass transfer device according to any one of claims 1-2, 6, 9-14, characterized in that a spray head is arranged below the foam board (4) to spray liquid drops and liquid columns, and the liquid drops and liquid columns enter the foam (11) and the liquid pool (6) of the working medium II through the foam holes (5) on the foam board (4).

16. Heat and mass transfer apparatus according to any of claims 1-2, 6, 9-14, characterized in that the heat exchange walls (9) are provided in the liquid sump (6) of working medium two.

17. The heat and mass transfer device of any one of claims 1-2, 6, 9-14, wherein the gas containing the contaminants is used as working medium one to perform gas purification on the gas containing the contaminants.

18. The heat and mass transfer device of any one of claims 1-2, 6, 9-14, wherein sulfur-containing gas is used as working medium one, and the absorption liquid is used as working medium two, so as to desulfurize the sulfur-containing gas.

19. The heat and mass transfer device according to any one of claims 1-2, 6, 9-14, wherein carbon dioxide-containing gas is used as working medium one, and the absorption liquid is used as working medium two, and carbon dioxide is collected.

20. the heat and mass transfer device of any of claims 1-2, 6, 9-14, wherein the temperature of working fluid one is different from the temperature of working fluid two.

Technical Field

The invention relates to the technical field of heat and mass transfer, comprising heat exchange, mixing, purification, chemical reaction and the like.

Background

With the rapid development of industry, there are many occasions, such as heat exchange, chemical engineering, environmental protection treatment and the like, which need different working media, especially the mixing of gas and liquid to achieve the purpose of heat and mass transfer. One of the currently used methods is the bubbling method, i.e. bubbling a gas into a liquid to generate bubbles. However, the conventional bubbling method is not efficient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a high-efficiency heat and mass transfer device.

A heat and mass transfer apparatus comprising: a peripheral cavity, a foaming plate and a foaming hole;

Wherein the peripheral cavity comprises an inlet end and an outlet end; the foaming plate is arranged inside the peripheral cavity; the first working medium enters the peripheral cavity from the inlet end, and bubbles are generated below the foaming plate through foaming holes in the foaming plate and enter a liquid pool of the second working medium.

The heat and mass transfer device is characterized in that the foam generating holes form colonies on the foaming plate in the number of 5 to 500, and the outer edge distance between adjacent colonies is between 5 and 50 mm. So can form a plurality of bubble groups on the foaming plate, have better interact between the bubble in the crowd, the clearance area between the colony can allow working medium two better replenishment to the foaming plate simultaneously. The shape of the colony may be square, circular, star-shaped, or the like.

The heat and mass transfer device is characterized in that a plurality of flow guide plates of the second hydrophilic medium are arranged on the foaming plate.

The heat and mass transfer device is characterized in that the hole center distance between two adjacent foaming holes is between 0.3 and 30 millimeters. The spacing allows for sufficient interaction between the bubbles without rapid merging. In particular, when one hole blister occurs, due to bubble turbulence, adjacent holes can be driven to blister with less pressure resistance. The optimum spacing will also vary for different working fluids and conditions.

The heat and mass transfer device is characterized in that the pore diameter of the foaming pore is between 0.2 and 5 millimeters. The pore size enables the bubbles to have smaller volume, and simultaneously, the bubbles do not have too large bubbling pressure resistance. The small bubbles can be mutually assisted by matching with the space, and the small bubbles and the small piezoresistance can be realized. Different from the existing conditions of small bubbles and large piezoresistance by utilizing dense micropores.

The heat and mass transfer device is characterized in that the material surface of the foaming plate is lyophilic or super-lyophilic to the working medium.

The heat and mass transfer device is characterized in that a foaming nozzle is arranged on the foaming plate; the foaming hole is positioned in the foaming nozzle; the foaming nozzle is raised from the foaming plate. Through the frothing nozzle, the bubbles are enabled to be separated from the frothing plate more quickly, and the combination between adjacent froths is prevented. And small bubbles and small piezoresistance are realized by matching with the distance and the hole diameter. Preferably, the frothing nozzle protrudes from the frothing plate by 0.1 to 10 mm.

The material surface of the foaming nozzle is lyophilic to the working medium II; and the inner surface of the foaming hole is lyophobic to the working medium.

The heat and mass transfer device is characterized in that the material surface of the foaming plate is lyophilic or super-lyophilic to the working medium.

The heat and mass transfer device is characterized in that the working medium is gas, and the working medium is liquid.

The heat and mass transfer device is characterized in that the working medium is one liquid, and the working medium is the other liquid.

The heat and mass transfer device is characterized in that the working medium I and/or the working medium II are fluidized substances including particles or supercritical fluid or plasma.

The heat and mass transfer device is characterized in that a nozzle is arranged below the foaming plate to spray liquid drops and liquid columns, and the liquid drops and the liquid columns enter a liquid pool of the foam and the working medium II through foaming holes in the foaming plate.

The heat and mass transfer device is characterized in that a heat exchange wall surface is arranged in the liquid pool of the working medium II.

The heat and mass transfer device uses the gas containing the pollutants as a first working medium to purify the gas containing the pollutants.

The heat and mass transfer device takes sulfur-containing gas as a first working medium and absorption liquid as a second working medium to desulfurize the sulfur-containing gas. The absorption liquid is, for example, lye.

The heat and mass transfer device collects carbon dioxide by using carbon dioxide-containing gas as a first working medium and using absorption liquid as a second working medium. Absorbing liquids such as ammonia.

In the heat and mass transfer device, the temperature of the first working medium is different from that of the second working medium. Heat is quickly transferred between working medium A and working medium B

the invention realizes the full mixing of the working medium I and the working medium II. Through the control of the settlement, the distance between the foaming holes, the aperture and the foaming nozzle and the control of the lyophilic and lyophobic properties of the material, the mutual help among the small bubbles is realized, the liquid is smoothly supplemented, and the generation of a large number of small bubbles is realized by lower pressure resistance.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.