Novel heat treatment quenching water tank structure

Abstract

The utility model discloses a novel heat treatment quenching water tank structure which comprises a quenching water tank, a gas heating pipeline arranged in the quenching water tank, a water replenishing and cooling system arranged on the quenching water tank, a flow guide system arranged in the quenching water tank and an internal spraying system arranged in the quenching water tank, and a water temperature measuring thermocouple is arranged in the quenching water tank. The heat treatment furnace has the beneficial effects that the water replenishing and cooling system, the diversion system and the internal spraying system are arranged, so that the water temperature uniformity in the quenching process is better, the product cooling speed deviation is smaller, and the performance difference of products at different positions in the same heat treatment furnace is small.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat treatment technical field especially a novel heat treatment quenching water tank structure. BACKGROUND

[0002] The water tank used in the quenching process of the aluminum alloy forging heat treatment at the present stage lacks an internal water flow guiding system, resulting in poor water temperature uniformity in the quenching process, large product cooling speed deviation, and thus large performance difference of products at different positions in the same heat treatment furnace.

[0003] In view of the above situation, it is necessary to improve the existing heat treatment quenching water tank structure so that it can adapt to the needs of the use of the heat treatment quenching water tank at present. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a novel heat treatment quenching water tank structure, which comprises a quenching water tank, a gas heating pipeline arranged in the quenching water tank, a water replenishing and cooling system arranged on the quenching water tank, a flow guiding system arranged in the quenching water tank, and an internal spraying system arranged in the quenching water tank.

[0005] Further supplement to the technical solution, the quenching water tank is provided with a partition plate on the left and right sides, and the partition plate is arranged on the inner side of the gas heating pipeline.

[0006] Further supplement to the technical solution, the partition plate is in the shape of L in cross section.

[0007] Further supplement to the technical solution, the water replenishing and cooling system comprises a water replenishing inlet pipeline, and the water replenishing inlet pipeline is arranged on one side of the partition plate.

[0008] Further supplement to the technical solution, the flow guiding system comprises a jet pump, a jet pump inlet pipeline connected with the jet pump, and a jet pump outlet pipeline connected with the jet pump, the jet pump inlet pipeline is in communication with the inside of the quenching water tank, the jet pump outlet pipeline is in communication with the inside of the quenching water tank, and the water outlet of the flow guiding system is arranged on one side of the quenching water tank.

[0009] Further supplement to the technical solution, the jet pump inlet pipeline comprises a first pipeline and a second pipeline, the first pipeline is arranged above the second pipeline, the first pipeline is connected with one end of the quenching water tank, and the second pipeline is connected with the other end of the quenching water tank.

[0010] Further supplement to the technical solution, the internal spraying system comprises a spraying pipeline connected with the jet pump, a main flow pipeline connected with the spraying pipeline, and a plurality of branch flow pipelines arranged on the main flow pipeline, a plurality of spraying holes are arranged on the branch flow pipelines, and the water outlet of the spraying pipeline is connected with the jet pump outlet pipeline.

[0011] Its beneficial effect lies in, be equipped with water supplement cooling system, flow guide system, internal spray system, make the quenching process water temperature uniformity is better, product cooling speed deviation is smaller, thereby lead to the same heat treatment furnace in different location product performance difference is small. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the first angle overall structure schematic diagram of the utility model;

[0013] Figure 2 It is the second angle overall structure schematic diagram of the utility model;

[0014] Figure 3 It is the structure schematic diagram of one side baffle not installing of the utility model;

[0015] In the drawing, 1, quenching water tank;2, gas heating pipeline;3, water supplement cooling system;31, water supplement inlet pipeline;4, flow guide system;41, jet pump;42, jet pump water inlet pipeline;421, first pipeline;422, second pipeline;43, jet pump water outlet pipeline;5, internal spray system;51, spray pipeline;52, main flow pipeline;53, branch flow pipeline;6, water temperature measurement thermocouple;7, baffle;8, flow guide system water outlet;9, spray pipeline water outlet. DETAILED DESCRIPTION

[0016] In order to facilitate the person skilled in the art to the present technical solution more clearly, below will combine the attached Figure 1 -3 detailed description of the technical scheme of the utility model:

[0017] A novel heat treatment quenching water tank structure, including quenching water tank 1, set up in quenching water tank 1's gas heating pipeline 2, set up on quenching water tank 1's water supplement cooling system 3, set up in quenching water tank 1's flow guide system 4, set up in quenching water tank 1's internal spray system 5;Quenching water tank 1 is equipped with water temperature measurement thermocouple 6;Water supplement cooling system 3: with quenching water tank 1 in the original water absorption product and tool from heating temperature cooling to process control temperature heat, water supplement amount control principle is Q product+Q tool caused total water temperature rise not more than 7 DEG C;Flow guide system 4: through high pressure water flow in product cooling area forms water flow rotation, makes hot product periphery heated water fast flow, realizes rapid cooling;Internal spray system 5: by the pipeline and nozzle distribution in quenching water tank 1 bottom and side wall, through the quenching process high pressure water flow's injection, accelerates tool internal product periphery water flow velocity, thereby realizes tool range temperature drop uniformity.

[0018] Wherein, quenching water tank 1 left and right sides are equipped with baffle 7, the baffle 7 is set up in gas heating pipeline 2 inside;Wherein, baffle 7 cross section is L-shaped.

[0019] Wherein, the water supplementing and cooling system 3 comprises a water supplementing inlet pipeline 31 arranged on one side of the partition plate 7; the water supplementing and cooling system 3 mainly functions to increase the amount of cooling water during the quenching process, so as to ensure the cooling effect of the product; the water supplementing starting time is 20 seconds before the quenching starts; the water supplementing amount design principle is that: the water supplementing amount per minute = 10% of the volume of the quenching tank 1; the water amount of the part shall be injected into the quenching tank 1 within 1 minute; and the corresponding water injection pump is selected according to the principle.

[0020] Wherein, the water guiding system 4 comprises a jet pump 41, a jet pump inlet pipeline 42 connected with the jet pump 41, and a jet pump outlet pipeline 43 connected with the jet pump 41; the jet pump inlet pipeline 42 is in communication with the inside of the quenching tank 1; the jet pump outlet pipeline 43 is in communication with the inside of the quenching tank 1; and the water outlet of the water guiding system 4 is arranged on one side of the quenching tank 1; wherein, the jet pump inlet pipeline 42 comprises a first pipeline 421 and a second pipeline 422; the first pipeline 421 is arranged above the second pipeline 422; the first pipeline 421 is connected with one end of the quenching tank 1; and the second pipeline 422 is connected with the other end of the quenching tank 1; the jet pump 41 injects the overflow water into the tank in two ways, one of which is used as the water inlet of the water guiding system 4, and the other of which is used as the water inlet of the internal spraying system 5; the water guiding system 4 functions to form water flow in the product cooling area by arranging the water inlets at appropriate positions of the quenching tank 1, generating high-pressure water flow by the jet pump 41, and making the water around the hot product flow rapidly, so as to realize rapid cooling; the jet pump 41 shall be selected according to the actual size of the quenching tank 1, and the requirements are that: the flow rate is ≥200 m 3 / h, and the lift is ≥15 m.

[0021] Wherein, the internal spraying system 5 comprises a spraying pipeline 51 connected with the jet pump 41, a main flow pipeline 52 connected with the spraying pipeline 51, and a plurality of branch flow pipelines 53 arranged on the main flow pipeline 52; a plurality of spraying holes are arranged on the branch flow pipelines 53; the spraying pipeline water outlet 9 is connected with the jet pump outlet pipeline 43; the branch flow pipelines 53 are arranged above the gas heating pipeline 2; the internal spraying system 5 is supplied with water by the jet pump 41 of the water guiding system 4, covers the range of the material frame by laying the water flow pipeline, and realizes uniform temperature drop in the range of the tooling by spraying the high-pressure water flow in the quenching process to accelerate the water flow speed around the product in the tooling.

[0022] The above technical solution only embodies the preferred technical solution of the technical solution of the present application; some changes made by the person skilled in the art to some parts of the present application also embody the principle of the present application, and are within the protection scope of the present application.

Claims

1. A novel heat treatment quench tank structure, characterized by, The quenching water tank (1), the gas heating pipeline (2) arranged in the quenching water tank (1), the water replenishing and cooling system (3) arranged on the quenching water tank (1), the flow guiding system (4) arranged in the quenching water tank (1), and the internal spraying system (5) arranged in the quenching water tank (1) are included. The flow guiding system (4) includes a jet pump (41), a jet pump water inlet pipeline (42) connected with the jet pump (41), and a jet pump water outlet pipeline (43) connected with the jet pump (41), the jet pump water inlet pipeline (42) is communicated with the inside of the quenching water tank (1), the jet pump water outlet pipeline (43) is communicated with the inside of the quenching water tank (1), and the flow guiding system water outlet (8) is arranged on one side of the quenching water tank (1).

2. A novel heat treatment quenching water tank structure according to claim 1, characterized in that, The quenching water tank (1) is provided with a baffle (7) on the left and right sides, and the baffle (7) is arranged on the inner side of the gas heating pipeline (2).

3. A novel heat treatment quenching water tank structure according to claim 2, characterized in that, The baffle (7) is in an L-shaped cross section.

4. A novel heat treatment quenching water tank structure according to claim 1, characterized in that, The water replenishing and cooling system (3) includes a water replenishing water inlet pipeline (31), and the water replenishing water inlet pipeline (31) is arranged on one side of the baffle (7).

5. A novel heat treatment quenching water tank structure according to claim 1, characterized in that, The jet pump water inlet pipeline (42) includes a first pipeline (421) and a second pipeline (422), the first pipeline (421) is arranged above the second pipeline (422), the first pipeline (421) is connected with one end of the quenching water tank (1), and the second pipeline (422) is connected with the other end of the quenching water tank (1).

6. A novel heat treatment quenching water tank structure according to claim 1, characterized in that, The internal spraying system (5) includes a spraying pipeline (51) connected with the jet pump (41), a main flow pipeline (52) connected with the spraying pipeline (51), and a plurality of branch flow pipelines (53) arranged on the main flow pipeline (52), a plurality of spraying holes are arranged on the branch flow pipelines (53), and the spraying pipeline water outlet (9) is connected with the jet pump water outlet pipeline (43).

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