Cooling device for stokehole test steel sample

Abstract

The utility model discloses a cooling device for a stokehole test steel sample, which belongs to the technical field of metallurgy and comprises a cooling air pipe, and a steel sample position groove for fixedly mounting a steel sample to be tested is arranged on the side wall of a pipe body of the cooling air pipe; a connecting end pipe is arranged at one end of the cooling air pipe and fixedly connected with a switch valve, and the switch valve is communicated with an external high-pressure air source through an air inlet rubber pipe. The throttling expansion pipe meeting the Bernoulli equation is arranged in the cooling air pipe, compressed air can be further cooled, and therefore the rapid cooling effect is achieved; a plurality of fixing end blocks are correspondingly arranged on the upper side and the lower side of the cooling air pipe, and fixing arrangement of the cooling air pipe is facilitated. The cooling device has the advantages of being high in cooling efficiency, easy to arrange and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to a cooling device for testing steel samples in front of a furnace. Background Art

[0002] During the steelmaking process, steel samples are collected for analysis. After milling, the steel samples reach a high temperature and require cooling before spectral analysis. This cooling process must be both rapid and non-contaminating. The current cooling method involves placing the steel sample in shallow water and then wiping off any water stains. This cooling method is inefficient and can easily contaminate the sample analysis surface. Utility Model Content

[0003] Technical problem to be solved: In view of the problems existing in the prior art, the utility model provides a cooling device for steel samples for testing in front of a furnace, which has the advantages of high cooling efficiency, easy layout and convenient use.

[0004] Technical solution: The utility model discloses a cooling device for testing steel samples in front of a furnace. The cooling device includes a cooling air duct. The side wall of the cooling air duct is provided with a steel sample slot for fixing the steel sample to be tested.

[0005] A connecting end pipe is provided at one end of the cooling air duct, and the connecting end pipe is fixedly connected to a switch valve, and the switch valve is connected to an external high-pressure air source through an air inlet hose.

[0006] Preferably, a plurality of throttling expansion tubes are distributed radially in the cooling air duct, and the diameters of the outlet and inlet ends of the throttling expansion tubes are L1:L2=1:(1.5~2.5).

[0007] Preferably, the throttling expansion tubes include three tubes distributed centrally and symmetrically along the axis of the cooling air tube.

[0008] Preferably, the throttling expansion tubes include four tubes distributed in a centrally symmetrical manner along the axis of the cooling air tube.

[0009] Preferably, the throttling expansion tube includes one throttling expansion tube arranged along the center of the cooling air duct and six throttling expansion tubes distributed circumferentially along the center.

[0010] Preferably, the cooling air duct is provided with a plurality of fixed end blocks along both sides of the tube body, and the fixed end blocks are connected with fixing screws.

[0011] Preferably, both ends of the cooling air duct are respectively provided with a connecting flange and a blocking end cover fixedly connected to the connecting flange, and the connecting end pipe is correspondingly connected to the center of one blocking end cover.

[0012] Compared with the prior art, the present invention has at least the following beneficial effects:

[0013] 1. The cooling device of the utility model is provided with a throttling expansion tube that satisfies the Bernoulli equation in the cooling air duct, which can further cool the compressed air, thereby achieving a rapid cooling effect;

[0014] 2. The upper and lower sides of the cooling air duct are provided with multiple fixed end blocks to facilitate the fixed arrangement of the cooling air duct;

[0015] 3. The cooling device has the advantages of high cooling efficiency, easy layout and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of the cooling device structure of the present utility model;

[0017] Figure 2 for Figure 1 Layout diagram of the throttling expansion tube inside the intermediate cooling device.

[0018] Figure numerals: 100, cooling device; 1, cooling air duct; 11, steel sample position slot; 12, fixed end block; 13, connecting flange; 14, sealing end cover; 2, steel sample to be tested; 3, connecting end pipe; 4, switching valve; 5, air inlet hose; 6, throttling expansion tube. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following Figures 1 and 2 The technical solutions of the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0020] like Figure 1 As shown, the present invention discloses a cooling device for testing steel samples in front of a furnace. The cooling device 100 includes a cooling air duct 1. The side wall of the cooling air duct 1 is provided with a steel sample slot 11 for fixing and mounting the steel sample 2 to be tested. The steel sample 2 to be tested can be conveniently inserted into the steel sample slot 11. The analysis surface of the steel sample to be tested corresponds to the inlet end of the cooling air duct 1. A connecting end pipe 3 is provided at one end of the cooling air duct 1. The connecting end pipe 3 is fixedly connected to a switch valve 4. The switch valve 4 is connected to an external high-pressure air source through an air inlet hose 5. The cooling device 100 is turned on or off by opening or closing the switch valve 4, thereby meeting the requirements for rapid cooling of the steel sample 2 to be tested.

[0021] In a preferred embodiment, if Figure 2As shown, there are multiple throttling expansion tubes 6 distributed radially in the cooling air duct 1, and the diameters of the outlet and inlet ends of the throttling expansion tube 6 are L1:L2=1:(1.5~2.5). The throttling expansion tube 6 meets the working principle of the Bernoulli equation and can further cool the compressed air, thereby achieving a rapid cooling effect.

[0022] In a preferred embodiment, the throttling expansion tubes 6 include three tubes distributed symmetrically along the axis of the cooling air tube 1 .

[0023] In a preferred embodiment, the throttling expansion tubes 6 include four tubes distributed symmetrically along the axis of the cooling air tube 1 .

[0024] In a preferred embodiment, if Figure 2 As shown, the throttling expansion tube 6 includes one throttling expansion tube arranged along the center of the cooling air duct 1 and six throttling expansion tubes 6 distributed circumferentially along the center.

[0025] It should be noted that, in the above embodiment, the gap between the inlet ends of the adjacent throttling expansion tubes 6 is filled with sealing material to prevent air leakage.

[0026] In a preferred embodiment, if Figure 1 As shown, the cooling duct 1 is provided with multiple fixed end blocks 12 along both sides of the duct body, and the fixed end blocks 12 are connected with fixing screws. Specifically, two fixed end blocks 12 are provided on the upper and lower sides of the cooling duct 1, respectively. The cooling duct 1 can be conveniently fixed to the wall of the analyzer's operating table, facilitating the analysis of the steel sample 2 as soon as it is cooled.

[0027] In a preferred embodiment, if Figure 1 As shown, both ends of the cooling air duct 1 are respectively provided with a connecting flange 13 and a blocking end cover 14 fixedly connected to the connecting flange 13 , and the connecting end pipe 3 is correspondingly connected to the center of the blocking end cover 14 .

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A cooling device for testing steel samples in front of a furnace, characterized in that: The cooling device (100) comprises a cooling air duct (1), wherein a steel sample slot (11) for fixing and mounting a steel sample (2) to be tested is provided on a side wall of the cooling air duct (1); A connecting end pipe (3) is provided at one end of the cooling air duct (1), and a switch valve (4) is fixedly connected to the connecting end pipe (3). The switch valve (4) is connected to an external high-pressure air source through an air inlet hose (5).

2. The cooling device for steel sample testing in front of a furnace according to claim 1, characterized in that: A plurality of throttling expansion tubes (6) are distributed radially in the cooling air duct (1), and the diameters of the outlet and inlet ends of the throttling expansion tubes (6) are L1:L2=1:(1.5-2.5).

3. The cooling device for steel sample testing in front of a furnace according to claim 2, characterized in that: The throttling expansion pipes (6) include three pipes distributed in a centrally symmetrical manner along the axis of the cooling air pipe (1).

4. The cooling device for steel sample testing in front of a furnace according to claim 2, characterized in that: The throttling expansion tubes (6) include four tubes distributed in a centrally symmetrical manner along the axis of the cooling air tube (1).

5. The cooling device for testing steel samples in front of a furnace according to claim 2, characterized in that: The throttling expansion tube (6) comprises one throttling expansion tube (6) arranged along the center of the cooling air duct (1) and six throttling expansion tubes (6) distributed circumferentially along the center.

6. The cooling device for steel sample testing in front of a furnace according to any one of claims 1 to 5, characterized in that: The cooling air duct (1) is provided with a plurality of fixed end blocks (12) along both sides of the duct body, and the fixed end blocks (12) are connected with fixing screws.

7. The cooling device for steel sample testing in front of a furnace according to claim 6, characterized in that: The cooling air duct (1) is provided with a connecting flange (13) and a blocking end cover (14) fixedly connected to the connecting flange (13) at both ends, and the connecting end pipe (3) is correspondingly connected to the center of the blocking end cover (14).

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