Steel wire rod fused salt energy-saving cleaning device

Abstract

The invention provides an energy-saving molten salt cleaning device for wire rods. The device at least comprises a drain valve (1), a water storage tank (2), a water inlet pipeline (3), a liquid level sensor (4), a temperature sensor (5), a transmission system (6), a working tank (7), a pull rod device (8), a spraying system (9) and a tank cover opening and closing device (11). The combined structure of the working tank and the water storage tank is adopted, so that cyclic utilization of spraying water under the clean condition can be guaranteed, and oxide scale impurities and a salt solution can be effectively separated; by means of the ingenious structural design, it can be guaranteed that fused salt attached to a wire rod can be effectively cleaned by 180 degrees, and the cleaning efficiency can be effectively improved by increasing the number of the spraying supports and the number of the spraying heads. The number of the spraying systems, the number of the water storage tanks and the number of the working tanks are changed to be matched with the online wire rod productivity, and production lines with different productivity are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of wire rod online salt bath heat treatment equipment, and in particular to a wire rod molten salt energy-saving cleaning device. Background Art

[0002] In the actual production of wire rods, the strength of the wire rods can be effectively improved by online salt bath heat treatment technology. After the wire rods are heat treated in a salt bath, they need to be cleaned by a cleaning device to remove the molten salt attached to their surface. The cleaning equipment of existing equipment also has the following deficiencies: (1) It cannot ensure 180° effective cleaning of the molten salt attached to the wire rods; (2) It cannot efficiently replace the cleaning parts to complete different cleaning tasks; (3) The water after cleaning cannot be recycled, resulting in a waste of resources; (4) The cleaning range is narrow; (5) The concentration of the cleaning liquid cannot be adjusted in time, thus affecting the cleaning degree. Based on the above-mentioned deficiencies, there is an urgent need for a wire rod molten salt energy-saving cleaning device that solves the above-mentioned technical problems. Summary of the invention

[0003] The purpose of the invention is to provide a wire rod molten salt energy-saving cleaning device.

[0004] The present invention is achieved through the following technical solutions: The present invention relates to an energy-saving cleaning device for wire rod molten salt, which at least comprises: a drain valve 1, a water storage tank 2, a water inlet pipeline 3, a liquid level sensor 4, a temperature sensor 5, a transmission system 6, a working tank 7, a pull rod device 8, a spray system 9, and a box cover opening and closing device 11; The drain valve 1 is installed below the water tank 2; the water inlet pipe 3 is installed on the water tank 2; the working tank 7 is arranged above the water tank 2, and the box cover opening and closing device 11 is installed above the working tank 7; the pull rod device 8 is arranged at both ends of the box cover opening and closing device 11; the spray system 9 is arranged below the pull rod device 8; the transmission system 6 is installed below the spray system 9; an inclined steel plate 701 is installed below the transmission system 6; the pull rod device 8 includes: a pull rod with threads at both ends and a locking nut.

[0005] Preferably, the water storage tank 2 includes, from right to left, a sedimentation tank 201 , a first transition tank 202 , a second transition tank 203 , and a water supply tank 204 ; the liquid level sensor 4 and the temperature sensor 5 are arranged in the water supply tank 204 .

[0006] Preferably, five rectangular through holes are opened between the sedimentation tank 201 and the first transition tank 202; five rectangular through holes are opened between the first transition tank 202 and the second transition tank 203; wherein the height of the through holes between the first transition tank 202 and the sedimentation tank 201 is higher than the height of the through holes between the first transition tank 202 and the second transition tank 203.

[0007] Preferably, five rectangular through holes are provided between the first transition groove 202 and the second transition groove 203; five rectangular through holes are provided between the second transition groove 203 and the water supply groove 204; wherein the height of the through holes between the first transition groove 202 and the second transition groove 203 is higher than the height of the through holes between the second transition groove 203 and the water supply groove 204.

[0008] Preferably, the spray system 9 comprises: a spray bracket 901, a first spray head 902, a second spray head 903, and a spray pipeline 904; wherein, The end of the spray bracket 901 forms an angle of 135° with the straight section, and the first spray head 902 and the second spray head 903 are installed on the spray bracket 901 .

[0009] Preferably, the first nozzle 902 is a 60° nozzle, and the second nozzle 903 is a 30° nozzle.

[0010] Preferably, the second nozzles 903 are installed at the end of the spray bracket 901, and there are three of them in total.

[0011] Preferably, the spray bracket 901 is arranged symmetrically on both sides and is installed on the spray pipeline 904. A plurality of spray pipelines 904 are connected in parallel to the water supply tank 204.

[0012] Preferably, the drain valve 1 , the water inlet pipeline 3 , the liquid level sensor 4 , the temperature sensor 5 , and the spray pipeline 904 are all installed in the water supply tank 204 .

[0013] Preferably, the taper of the inclined steel plate 701 is 1:10, and it is installed below the transmission system 6 to cover the first transition groove 202 , the second transition groove 203 , and the water supply groove 204 .

[0014] The working principle of the present invention is as follows: the wire rod after salt bath heat treatment is transported to the working tank 7 through the transmission system 6, and the 80°C clean water in the water supply tank 204 is pressurized to 0.4MPa through the spray pipeline 904 to wash away the impurities on the surface of the disk through the first nozzle 902 and the second nozzle 903; since the heights of the adjacent through holes of the sedimentation tank 201, the first transition tank 202, the second transition tank 203, and the water supply tank 204 are different, the washed sewage flows into the sedimentation tank 201, the first transition tank 202, the second transition tank 203, and the water supply tank 204 in sequence through the inclined steel plate 701 with a taper of 1:10 to achieve filtration and recycling; when the salt solution concentration in the water supply tank becomes high after a period of time, it is discharged through the drain valve 1 and replenished with water using the water inlet pipeline 3.

[0015] The present invention has the following advantages: (1) The present invention adopts a combined structure of a working tank and a water storage tank, which can ensure the recycling of spray water under clean conditions and can also effectively separate iron oxide impurities and salt solution; (2) The spray system of the present invention adopts an ingenious structural design, which can ensure 180° effective cleaning of the molten salt attached to the wire rod. The cleaning efficiency can be effectively improved by increasing the number of spray brackets and nozzles.

[0016] (3) The present invention realizes production lines with different capacities by changing the number of spray systems, water storage tanks, and working tanks to match the online wire rod production capacity.

[0017] (4) After the cleaning device has been working for a period of time, when the concentration of the salt solution in the working tank becomes high, the high-concentration salt solution can be discharged by a drain valve and then sent to the salt storage tank in the salt bath section for recycling, thereby achieving energy saving and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the overall structure of the wire rod molten salt energy-saving cleaning device of the present invention; Figure 2 It is a side view of the overall structure of the wire rod molten salt energy-saving cleaning device of the present invention; Figure 3 It is a top view of the spray system in the wire rod molten salt energy-saving cleaning device of the present invention; Figure 4 It is a front view of the spray system in the wire rod molten salt energy-saving cleaning device of the present invention; Figure 5 This is a working principle diagram of the wire rod molten salt energy-saving cleaning device of the present invention; The accompanying drawings are marked with: 1-drain valve, 2-water storage tank, 201-sedimentation tank, 202-first transition tank, 203-second transition tank, 204-water supply tank, 3-water inlet pipeline, 4-liquid level sensor, 5-temperature sensor, 6-transmission system, 7-working tank, 701-inclined steel plate, 8-pull rod device, 9-spraying system, 901-spraying bracket, 902-first nozzle, 903-second nozzle, 904-spraying pipeline, 10-coil, 11-box cover opening and closing device. DETAILED DESCRIPTION

[0019] The present invention is described in detail below in conjunction with specific embodiments. It should be noted that the following embodiments are only further descriptions of the present invention, but the protection scope of the present invention is not limited to the following embodiments. Example

[0020] This embodiment relates to a wire rod molten salt energy-saving cleaning device, see Figure 1 , Figure 2 As shown, it at least includes: a drain valve 1, a water storage tank 2, a water inlet pipeline 3, a liquid level sensor 4, a temperature sensor 5, a transmission system 6, a working tank 7, a pull rod device 8, a spray system 9, and a box cover opening and closing device 11; The drain valve 1 is installed below the water tank 2; the water inlet pipe 3 is installed on the water tank 2; the working tank 7 is arranged above the water tank 2, and the box cover opening and closing device 11 is installed above the working tank 7; the pull rod device 8 is arranged at both ends of the box cover opening and closing device 11; the spray system 9 is arranged below the pull rod device 8; the transmission system 6 is installed below the spray system 9; an inclined steel plate 701 is installed below the transmission system 6; the pull rod device 8 includes: a pull rod with threads at both ends and a locking nut; the pull rod device 8 can ensure the rigidity of the working tank.

[0021] The box cover opening and closing device 11 in this embodiment adopts the existing technology, and is mainly composed of a support seat, a screw lift, a cover plate, a pin shaft, etc., and is used for opening and closing the working groove.

[0022] The transmission system 9 in this embodiment adopts the existing technology, and is mainly composed of a bearing seat, a motor reducer, a transmission shaft, bearings, rollers, seals, etc., and is used to transport wire rods.

[0023] The function of the inclined steel plate 701 is to guide the wastewater after washing the wire rod into the sedimentation tank 201; the sedimentation tank 201 is used to precipitate metal impurities such as iron oxide.

[0024] The water inlet pipeline 3 includes: a basic valve assembly for replenishing the clean water in the water supply tank 204.

[0025] The water storage tank 2 includes, from right to left, a sedimentation tank 201 , a first transition tank 202 , a second transition tank 203 , and a water supply tank 204 ; the liquid level sensor 4 and the temperature sensor 5 are arranged in the water supply tank 204 .

[0026] The first transition tank 202 and the second transition tank 203 are used to filter the saline solution; Five rectangular through holes are opened between the sedimentation tank 201 and the first transition tank 202; five rectangular through holes are opened between the first transition tank 202 and the second transition tank 203; wherein the height of the through hole between the first transition tank 202 and the sedimentation tank 201 is higher than the height of the through hole between the first transition tank 202 and the second transition tank 203.

[0027] Five rectangular through holes are opened between the first transition groove 202 and the second transition groove 203; five rectangular through holes are opened between the second transition groove 203 and the water supply groove 204; wherein the height of the through holes between the first transition groove 202 and the second transition groove 203 is higher than the height of the through holes between the second transition groove 203 and the water supply groove 204.

[0028] The functions of the water supply tank 204 are: (1) when the salt solution concentration in the water supply tank is too high, open the drain valve 1 to drain water; (2) use the water inlet pipe 3 to replenish water; (3) use the liquid level sensor 4 and the temperature sensor 5 to feedback and control the water temperature in the water supply tank 204; (4) provide water for spraying for the spraying system 9.

[0029] The spray system 9 comprises: Figure 3 and Figure 4 As shown, a spray bracket 901, a first spray head 902, a second spray head 903, and a spray pipeline 904; the spray pipeline 9 also includes: a basic valve assembly, a booster pump, etc., and the pressure of the spray system is 0.4MPa; wherein, The end of the spray bracket 901 forms an angle of 135° with the straight section, and the first spray head 902 and the second spray head 903 are installed on the spray bracket 901 .

[0030] The first nozzle 902 is a 60° nozzle, and the second nozzle 903 is a 30° nozzle.

[0031] The second nozzles 903 are installed at the end of the spray bracket 901, and there are three of them in total.

[0032] The spray bracket 901 is arranged symmetrically on both sides and is installed on the spray pipeline 904. A plurality of spray pipelines 904 are connected in parallel to the water supply tank 204.

[0033] The present invention can also improve the spraying efficiency by changing the number of the first spray heads 902 and the second spray heads 903 installed on the spraying bracket 901 .

[0034] The present invention can also match the online wire rod production capacity by changing the number of the spray system 9, the water storage tank 2, and the working tank 7.

[0035] The drain valve 1 , the water inlet pipeline 3 , the liquid level sensor 4 , the temperature sensor 5 , and the spray pipeline 904 are all installed in the water supply tank 204 .

[0036] The inclined steel plate 701 has a taper of 1:10 and is installed below the transmission system 6 to cover the first transition groove 202 , the second transition groove 203 , and the water supply groove 204 .

[0037] The present invention transports the wire rod 10 after the salt bath heat treatment to the working tank 7 through the transmission system 6, and the spray pipeline 904 pressurizes the 80°C clean water in the water supply tank 204 to 0.4MPa and washes the surface impurities of the wire rod 10 through the first nozzle 902 and the second nozzle 903; due to the different heights of the adjacent through holes of the sedimentation tank 201, the first transition tank 202, the second transition tank 203, and the water supply tank 204, the washed sewage flows into the sedimentation tank 201, the first transition tank 202, the second transition tank 203, and the water supply tank 204 in sequence through the inclined steel plate 701 with a taper of 1:10, and is filtered and recycled; when the salt solution concentration in the water supply tank becomes high after a period of time, it is discharged through the drain valve 1, and water is supplemented by the water inlet pipeline 3, as shown in FIG. Figure 5 shown.

[0038] The present invention adopts a combined structure of a working tank and a water storage tank, which can ensure the recycling of spray water under clean conditions, and can also effectively separate iron oxide impurities and salt solutions; the spray system of the present invention adopts an ingenious structural design, which can ensure 180° effective cleaning of the molten salt attached to the wire rod, and the cleaning efficiency can be effectively improved by increasing the number of spray brackets and nozzles. The present invention realizes production lines with different production capacities by changing the number of spray systems, water storage tanks, and working tanks to match the online wire rod production capacity. After the cleaning device of the present invention has been working for a period of time, when the concentration of the salt solution in the working tank becomes high, the high-concentration salt solution can be discharged and processed using a drain valve, and then recycled into the salt storage tank in the salt bath section, thereby achieving energy saving and reuse.

[0039] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art may make various modifications or variations within the scope of the claims, which will not affect the essence of the present invention.

Claims

1. A wire rod molten salt energy-saving cleaning device, characterized in that: At least: Drain valve (1), water storage tank (2), water inlet pipeline (3), liquid level sensor (4), temperature sensor (5), transmission system (6), working tank (7), pull rod device (8), spray system (9), box cover opening and closing device (11); The drain valve (1) is installed below the water storage tank (2); the water inlet pipeline (3) is installed on the water storage tank (2); the working tank (7) is arranged above the water storage tank (2); the box cover opening and closing device (11) is installed above the working tank (7); the pull rod device (8) is arranged at both ends of the box cover opening and closing device (11); the spray system (9) is arranged below the pull rod device (8); the transmission system (6) is installed below the spray system (9); and an inclined steel plate (701) is installed below the transmission system (6).

2. The wire rod molten salt energy-saving cleaning device according to claim 1, characterized in that: The water storage tank (2) comprises, from right to left, a sedimentation tank (201), a first transition tank (202), a second transition tank (203), and a water supply tank (204); the liquid level sensor (4) and the temperature sensor (5) are arranged in the water supply tank (204).

3. The wire rod molten salt energy-saving cleaning device according to claim 2, characterized in that: Five rectangular through holes are provided between the sedimentation tank (201) and the first transition tank (202); and five rectangular through holes are provided between the first transition tank (202) and the second transition tank (203); wherein the height of the through hole between the first transition tank (202) and the sedimentation tank (201) is higher than the height of the through hole between the first transition tank (202) and the second transition tank (203).

4. The wire rod molten salt energy-saving cleaning device according to claim 2, characterized in that: Five rectangular through holes are provided between the first transition groove (202) and the second transition groove (203); and five rectangular through holes are provided between the second transition groove (203) and the water supply groove (204); wherein the height of the through holes between the first transition groove (202) and the second transition groove (203) is higher than the height of the through holes between the second transition groove (203) and the water supply groove (204).

5. The wire rod molten salt energy-saving cleaning device according to claim 1, characterized in that: The spray system (9) comprises: a spray bracket (901), a first spray head (902), a second spray head (903), and a spray pipeline (904); wherein: The end of the spray bracket (901) forms an angle of 135° with the straight section, and the first spray head (902) and the second spray head (903) are mounted on the spray bracket (901).

6. The wire rod molten salt energy-saving cleaning device according to claim 5, characterized in that: The first nozzle (902) is a 60° nozzle, and the second nozzle (903) is a 30° nozzle.

7. The wire rod molten salt energy-saving cleaning device according to claim 5, characterized in that: The second spray heads (903) are installed at the end of the spray bracket (901), and there are three of them in total.

8. The wire rod molten salt energy-saving cleaning device according to claim 5, characterized in that: The spray bracket (901) is arranged symmetrically on both sides and is installed on a spray pipeline (904). A plurality of spray pipelines (904) are connected in parallel to the water supply tank (204).

9. The wire rod molten salt energy-saving cleaning device according to claim 1, characterized in that: The drain valve (1), the water inlet pipeline (3), the liquid level sensor (4), the temperature sensor (5), and the spray pipeline (904) are all installed in the water supply tank (204).

10. The wire rod molten salt energy-saving cleaning device according to claim 1, characterized in that: The inclined steel plate (701) has a taper of 1:10 and is installed below the transmission system (6) to cover the first transition groove (202), the second transition groove (203), and the water supply groove (204).

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