Round steel heat treatment cooling furnace
By introducing a sedimentation tank and a filtration tank system into the cooling furnace, the problem of needing to replace the coolant regularly was solved, and the recycling of the coolant and the stability of the cooling effect were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 舟山市正山智能制造科技股份有限公司
- Filing Date
- 2025-07-24
- Publication Date
- 2026-06-05
AI Technical Summary
The coolant in the existing cooling furnace needs to be replaced regularly, which leads to waste and reduced cooling efficiency.
A round steel heat treatment cooling furnace was designed, which includes a sedimentation chamber, a filter chamber and a filter screen system. Through the design of baffles and guide plates, impurities in the coolant are precipitated and filtered, reducing the accumulation of impurities. Only a small amount of coolant is needed to remove impurities.
This system enables the recycling of coolant, reduces coolant waste, and ensures the stability and uniformity of cooling performance.
Smart Images

Figure CN224325378U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of metal heat treatment cooling technology, specifically to a round steel heat treatment cooling furnace. Background Technology
[0002] After heat treatment by a heating device, round steel bars need to be rapidly cooled in a cooling furnace. The purpose of this is to strengthen the microstructure through phase transformation, thereby improving hardness and strength. Inside the cooling furnace, the round steel bars are cooled by being sprayed with coolant through spray nozzles. However, the coolant, after being sprayed, carries impurities from the surface of the round steel bars into the water tank. Repeated use of the coolant results in a large amount of impurities in the water, affecting the cooling effect on the round steel bars. Consequently, the coolant in the water tank needs to be replaced periodically, leading to coolant waste. Utility Model Content
[0003] To overcome the shortcomings of the prior art, this utility model provides a round steel heat treatment cooling furnace, which solves the problem that the coolant in the current cooling furnace needs to be replaced regularly.
[0004] The technical solution adopted in this utility model is as follows:
[0005] A round steel heat treatment cooling furnace includes a furnace body, a water tank inside the furnace body, a water pump and a water pipe connected sequentially to the water tank, a conveyor wheel and a spray head connected to the water pipe above the water tank, and further includes:
[0006] A sedimentation chamber is located at one end of the water tank. The sedimentation chamber includes a No. 1 chamber and a No. 2 chamber that are connected at the bottom. The outlet of the No. 2 chamber is located at the top.
[0007] Partitions are arranged alternately on both sides of the No. 2 warehouse, and the partitions are set at an angle;
[0008] The drain pipe is located at the bottom of the sedimentation tank;
[0009] The filter chamber is located inside the water tank and is connected to the outlet of the second chamber.
[0010] The filter screen is installed inside the filter chamber.
[0011] A guide plate is inclinedly installed on the top surface of the water tank, and the lowest point of the guide plate corresponds to the water inlet of the No. 1 compartment.
[0012] The bottom surface of the sedimentation tank is sloping, and the drain pipe is located at the lowest point of the sedimentation tank.
[0013] The filter compartment is located outside the furnace body. The top of the filter compartment outside the furnace body is open and has a slot for mating with the filter screen.
[0014] The top of the filter chamber is equipped with an overflow port.
[0015] The filter screen includes a coarse filter screen and a fine filter screen.
[0016] The furnace body is equipped with observation windows on both sides.
[0017] The spray head is annular, and an annular cavity is provided inside the spray head. Spray holes for communicating with the annular cavity are evenly distributed on the inner wall of the spray head.
[0018] A chiller is also connected between the water tank and the water pump.
[0019] The beneficial effects of this utility model are:
[0020] After the coolant sprayed from the spray head cools the round steel, the coolant containing impurities enters the No. 1 and No. 2 compartments through the guide plate. In the No. 2 compartment, the coolant slowly rises along the partition and enters the filter compartment. At the same time, most of the impurities settle at the bottom of the No. 1 and No. 2 compartments, while a small portion of the impurities are filtered by the filter screen and then transported back to the spray head, ensuring that the sprayed coolant is clean and tidy. In addition, only the drain pipe needs to be opened to consume a small amount of coolant to discharge the impurities in the water tank. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the present invention.
[0022] Figure 2 This is a top view of the present invention.
[0023] Figure 3 This is a cross-sectional schematic diagram of the spray head of this utility model.
[0024] Furnace body 1, water tank 2, water pump 3, water pipe 4, conveyor wheel 5, spray head 6, No. 1 compartment 7, No. 2 compartment 8, partition 9, drain pipe 10, filter compartment 11, filter screen 12, coarse filter screen 121, fine filter screen 122, guide plate 13, plug groove 14, overflow port 15, observation window 16, annular cavity 17, spray hole 18, chiller 19. Detailed Implementation
[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0026] In the embodiments, such as Figure 1 , Figure 2 As shown, a round steel heat treatment cooling furnace includes a furnace body 1, a water tank 2 inside the furnace body 1, a water pump 3 and a water pipe 4 connected sequentially to the water tank 2, a conveyor wheel 5 and a spray head 6 connected to the water pipe 4 above the water tank 2, and further includes:
[0027] A sedimentation chamber is located at one end of the water tank 2. The sedimentation chamber includes a first chamber 7 and a second chamber 8 connected at the bottom. The outlet of the second chamber 8 is located at the top.
[0028] Partitions 9 are staggered on both sides of the No. 2 warehouse 8, and the partitions 9 are inclined.
[0029] Sewage pipe 10 is installed at the bottom of the sedimentation tank;
[0030] The filter chamber 11 is located inside the water tank 2 and is connected to the outlet of the second chamber 8.
[0031] Filter screen 12 is installed inside filter chamber 11;
[0032] The guide plate 13 is inclinedly installed on the top surface of the water tank 2, and the lowest point of the guide plate 13 corresponds to the water inlet of the first compartment 7.
[0033] After the coolant sprayed from the spray head 6 cools the round steel, the coolant containing impurities enters the first compartment 7 and the second compartment 8 through the guide plate 13. In the second compartment 8, the coolant slowly rises along the partition 9 and enters the filter compartment 11. At the same time, most of the impurities settle at the bottom of the first compartment 7 and the second compartment 8, while a small portion of the impurities are filtered by the filter screen 12 and then transported back to the spray head 6, ensuring that the sprayed coolant is clean and tidy. Meanwhile, only the drain pipe 10 needs to be opened to consume a small amount of coolant to discharge the impurities in the water tank 2.
[0034] In the embodiments, such as Figure 1 As shown, the bottom surface of the sedimentation tank is sloped, and the drain pipe 10 is located at the lowest point of the sedimentation tank. This facilitates the discharge of sediment from the drain pipe 10.
[0035] In the embodiments, such as Figure 2 As shown, the filter chamber 11 is partially located outside the furnace body 1. The top of the filter chamber 11 located outside the furnace body 1 is open and has an insertion slot 14 for engaging with the filter screen 12. A cover plate can be placed on the top of the filter chamber 11 located outside the furnace body 1. When the filter screen 12 needs to be replaced, simply open the cover plate and pull the filter screen 12 out of the filter chamber 11, making replacement convenient.
[0036] In the embodiments, such as Figure 1 As shown, the top of the filter chamber 11 is provided with an overflow port 15. When the filter screen 12 is clogged and not replaced in time, the coolant can flow out from the overflow port 15 to prevent the water in the water tank 2 from overflowing or the water pump from running dry.
[0037] In the embodiments, such as Figure 2 As shown, the filter screen 12 includes a coarse filter screen 121 and a fine filter screen 122. The coarse filter screen 121 and the fine filter screen 122 can better filter the coolant, ensuring that the filtered coolant is clean.
[0038] In the embodiments, such as Figure 1 As shown, observation windows 16 are provided on both sides of the furnace body 1. The cooling status inside the furnace body 1 can be observed at any time through the observation windows 16 so that problems can be detected in time.
[0039] In the embodiments, such as Figure 3 As shown, the spray head 6 is annular, and an annular cavity 17 is provided inside the spray head 6. Spray holes 18 for communicating with the annular cavity 17 are evenly distributed on the inner wall of the spray head 6. The spray head 6 is located between the conveyor wheels 5, and the spray head 6 cools the round steel in the circumference, so that the round steel is cooled evenly and its performance is improved.
[0040] In the embodiments, such as Figure 1 As shown, a chiller 19 is also connected between the water tank 2 and the water pump 3. The chiller 19 keeps the coolant at a stable low temperature, thereby ensuring the quality of the coolant round steel.
[0041] Obviously, the above embodiments of this utility model are merely illustrative examples and not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.
Claims
1. A round steel heat treatment cooling furnace, comprising a furnace body (1), wherein a water tank (2) is provided inside the furnace body (1), a water pump (3) and a water pipe (4) are sequentially connected to the water tank (2), and a conveyor wheel (5) and a spray head (6) connected to the water pipe (4) are provided above the water tank (2), characterized in that, Also includes: A sedimentation chamber is set at one end of the water tank (2). The sedimentation chamber includes a first chamber (7) and a second chamber (8) connected at the bottom. The outlet of the second chamber (8) is located at the top. Partitions (9) are staggered on both sides of the No. 2 warehouse (8), and the partitions (9) are inclined. The drain pipe (10) is located at the bottom of the sedimentation tank; The filter chamber (11) is located inside the water tank (2) and is connected to the outlet of the second chamber (8); A filter screen (12) is installed inside the filter chamber (11); The guide plate (13) is inclinedly set on the top surface of the water tank (2), and the lowest point of the guide plate (13) corresponds to the water inlet of the No. 1 compartment (7).
2. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The bottom surface of the sedimentation tank is sloping, and the drain pipe (10) is located at the lowest point of the sedimentation tank.
3. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The filter chamber (11) is located outside the furnace body (1). The top of the filter chamber (11) located outside the furnace body (1) is open and has a plug slot (14) for engaging with the filter screen (12).
4. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The top of the filter chamber (11) is provided with an overflow port (15).
5. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The filter screen (12) includes a coarse filter screen (121) and a fine filter screen (122).
6. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The furnace body (1) is provided with observation windows (16) on both sides.
7. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: The spray head (6) is annular, and an annular cavity (17) is provided inside the spray head (6). Spray holes (18) for communicating with the annular cavity (17) are evenly distributed on the inner wall of the spray head (6).
8. The round steel heat treatment cooling furnace as described in claim 1, characterized in that: A chiller (19) is also connected between the water tank (2) and the water pump (3).