阅读说明：本技术 一种用于高超声速风洞的塔型冷凝器 (Tower-type condenser for hypersonic wind tunnel ) 是由 齐大伟 吴斌 陈德江 唐志共 许开平 李伟 吕德润 李泽龙 曾令国 周鑫 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种用于高超声速风洞的塔型冷凝器。该塔型冷凝器包括筒体,筒体的上部设置有进液管、出气管,筒体的下部设置有出液管和进气管；筒体的中部为筒身,在筒身的腔体内,从上至下顺序设置有喷淋装置、填料层和气体分布器；进液管与喷淋装置连通,进气管与气体分布器连通。液体的流动方向为从上至下,液体从进液管进入筒体经喷淋装置喷出,再经填料层后,从出液管流出；气体的流动方向为从下至上,液体从进气管进入筒体经气体分布器喷出,再经填料层后,从出气管流出。液体和气体在填料层进行热量与质量交换。该塔型冷凝器结构简单,检修方便,制造成本降低,操作过程不会产生液泛,气速范围大,处理能力强。(The invention discloses a tower-type condenser for a hypersonic wind tunnel. The tower-type condenser comprises a cylinder body, wherein a liquid inlet pipe and a gas outlet pipe are arranged at the upper part of the cylinder body, and a liquid outlet pipe and a gas inlet pipe are arranged at the lower part of the cylinder body; the middle part of the cylinder body is a cylinder body, and a spraying device, a packing layer and a gas distributor are sequentially arranged in a cavity of the cylinder body from top to bottom; the liquid inlet pipe is communicated with the spraying device, and the gas inlet pipe is communicated with the gas distributor. The flowing direction of the liquid is from top to bottom, the liquid enters the cylinder from the liquid inlet pipe, is sprayed out by the spraying device, passes through the packing layer and flows out from the liquid outlet pipe; the flowing direction of the gas is from bottom to top, and the liquid enters the cylinder body from the gas inlet pipe, is sprayed out through the gas distributor, passes through the packing layer and flows out from the gas outlet pipe. The liquid and gas exchange heat and mass in the packing layer. The tower-type condenser is simple in structure, convenient to overhaul, low in manufacturing cost, free of flooding in the operation process, large in gas velocity range and strong in processing capacity.)

1. A tower-type condenser for a hypersonic wind tunnel is characterized by comprising a cylinder body (1), wherein a liquid inlet pipe (2) and a gas outlet pipe (3) are arranged at the upper part of the cylinder body (1), and a liquid outlet pipe (8) and a gas inlet pipe (7) are arranged at the lower part of the cylinder body (1); the middle part of the cylinder body (1) is provided with a cylinder body (11), and a spraying device (4), a packing layer (5) and a gas distributor (6) are sequentially arranged in a cavity of the cylinder body (11) from top to bottom; the liquid inlet pipe (2) is communicated with the spraying device (4), and the gas inlet pipe (7) is communicated with the gas distributor (6);

the flowing direction of the liquid is from top to bottom, the liquid enters the cylinder body (1) from the liquid inlet pipe (2), is sprayed out by the spraying device (4), passes through the packing layer (5) and then flows out from the liquid outlet pipe (8);

the flowing direction of the gas is from bottom to top, the gas enters the cylinder body (1) from the gas inlet pipe (7), is sprayed out through the gas distributor (6), passes through the packing layer (5) and then flows out from the gas outlet pipe (3);

the liquid and the gas exchange heat and mass in the packing layer (5).

2. The tower-type condenser for the hypersonic wind tunnel according to claim 1, wherein the upper end and the lower end of the cylinder (1) are blocked by seal heads (12), the top end of the seal head (12) at the upper end is provided with the gas outlet pipe (3), and the top end of the seal head (12) at the lower end is provided with the liquid outlet pipe (8).

3. The tower-type condenser for the hypersonic wind tunnel according to claim 1, characterized in that the liquid inlet pipes (2) are uniformly distributed at the upper part of the cylinder (1), and each liquid inlet pipe (2) is respectively communicated with an independent spraying device (4).

4. The tower condenser for hypersonic wind tunnel according to claim 1, wherein said spray means (4) comprises spray pipes (9) and spray heads (10) arranged in an array communicating with the spray pipes (9).

5. The tower condenser for hypersonic wind tunnel according to claim 1, wherein the specific surface area of the filler layer (5) is gradually reduced from top to bottom along the height direction of the cylinder body (11); the filler model of the upper layer of the filler layer (5) is BH1Y, and the filler model of the lower layer is BH 1X.

6. The tower condenser for hypersonic wind tunnel according to claim 1, wherein the gas distributor (6) is externally connected with a high-pressure gas source system, and the flow speed and flow of the gas are controlled by the high-pressure gas source system.

7. The tower condenser for hypersonic wind tunnel according to claim 1, characterized in that said gas distributor (6) is a baffle block with gas channels arranged in an array.

8. The tower condenser for hypersonic wind tunnel according to claim 1, wherein the liquid outlet pipe (8) is externally connected with a processing system, and the liquid is processed by the processing system and then circularly flows into the liquid inlet pipe (2).

9. The tower condenser for hypersonic wind tunnel according to claim 2, wherein the head (12) is one of a conical head, an elliptical head or a flat head.

10. The tower-type condenser for hypersonic wind tunnel according to claim 4, characterized in that the spraying outlet direction of the spray head (10) is from top to bottom or from bottom to top.

Technical Field

The invention belongs to the technical field of wind tunnel equipment, and particularly relates to a tower-type condenser for a hypersonic wind tunnel.

Background

A large amount of gas containing supersaturated water vapor can be generated in the large-scale hypersonic wind tunnel test process, and in order to reduce construction cost and save energy consumption, the gas containing supersaturated water vapor needs to be quenched and cooled in a short time, most of the water vapor in the air flow is condensed and separated out, and the gas is discharged out of the system in a liquid water form.

Currently, the development of a tower-type condenser special for a hypersonic wind tunnel is urgently needed.

Disclosure of Invention

The invention aims to provide a tower-type condenser for a hypersonic wind tunnel.

The invention relates to a tower-type condenser for a hypersonic wind tunnel, which is characterized by comprising a cylinder body, wherein the upper part of the cylinder body is provided with a liquid inlet pipe and a gas outlet pipe; the middle part of the cylinder body is a cylinder body, and a spraying device, a packing layer and a gas distributor are sequentially arranged in a cavity of the cylinder body from top to bottom; the liquid inlet pipe is communicated with the spraying device, and the gas inlet pipe is communicated with the gas distributor;

the flowing direction of the liquid is from top to bottom, the liquid enters the cylinder from the liquid inlet pipe, is sprayed out by the spraying device, passes through the packing layer and flows out from the liquid outlet pipe;

the gas flows from bottom to top, enters the cylinder from the gas inlet pipe, is sprayed out by the gas distributor, passes through the packing layer and flows out from the gas outlet pipe;

the liquid and gas exchange heat and mass in the packing layer.

Furthermore, the upper end and the lower end of the cylinder are plugged by seal heads, the top end of the seal head at the upper end is provided with an air outlet pipe, and the top end of the seal head at the lower end is provided with a liquid outlet pipe.

Furthermore, the liquid inlet pipes are uniformly distributed on the upper part of the cylinder body, and each liquid inlet pipe is respectively communicated with an independent spraying device.

Furthermore, the spraying device comprises a spraying pipe and spray heads which are communicated with the spraying pipe and are arranged in an array.

Furthermore, the specific surface area of the packing layer is gradually reduced from top to bottom along the height direction of the cylinder body; the filler model of the upper layer of the filler layer is BH1Y, and the filler model of the lower layer is BH 1X.

Furthermore, the gas distributor is externally connected with a high-pressure gas source system, and the flow speed and the flow of the gas are controlled by the high-pressure gas source system.

Further, the gas distributor is a baffle plate with gas channels arranged in an array.

Furthermore, the liquid outlet pipe is externally connected with a processing system, and liquid is processed by the processing system and then circularly flows into the liquid inlet pipe.

Further, the seal head is one of a conical seal head, an elliptical seal head or a flat seal head.

Furthermore, the spraying outlet direction of the spray head is from top to bottom or from bottom to top.

The tower-type condenser for the hypersonic wind tunnel adopts a gas-liquid direct contact condensation mode, a heat transfer partition wall is not arranged in the tower-type condenser, a heat exchange surface is the contact area between gas containing supersaturated water vapor and cooling gas, the gas containing the supersaturated water vapor enters the cylinder body from the liquid inlet pipe and is sprayed out through the spraying device, the gas meets the cooling gas which enters the cylinder body from the gas inlet pipe and is sprayed out through the gas distributor in the packing layer to form cooling water, and the cooling water seeps out of the packing layer and flows out from the liquid outlet pipe.

The tower-type condenser for the hypersonic wind tunnel directly contacts gas-liquid two phases in gas containing supersaturated water vapor in the filler layer for heat exchange in a bubble and liquid drop dispersion mode, so that the heat transfer efficiency is greatly improved, heat transfer and mass transfer are carried out simultaneously, the water vapor in the gas containing the supersaturated water vapor can be quickly and efficiently separated out, and ideal effects of cooling and condensing are achieved.

The tower-type condenser for the hypersonic wind tunnel has the advantages of simple structure, convenient maintenance, low manufacturing cost, no flooding in the operation process, large gas velocity range and strong processing capacity.

Drawings

Fig. 1 shows a tower-type condenser for hypersonic wind tunnel according to the present invention.

In the figure, 1, a cylinder body 2, a liquid inlet pipe 3, a gas outlet pipe 4, a spraying device 5, a filler layer 6, a gas distributor 7, a gas inlet pipe 8, a liquid outlet pipe 9, a spraying pipe 10, a spray head 11, a cylinder body 12 and a seal head.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.