Hot-rolled steel pipe cooling liquid recycling device with cooling function

Abstract

The utility model provides a hot-rolled steel pipe cooling liquid recycling device with a cooling function. Comprising a cooling liquid spraying mechanism capable of spraying cooling liquid on the hot-rolled steel pipe and a cooling liquid recycling and storing mechanism capable of recycling and storing the cooling liquid on the hot-rolled steel pipe. The cooling liquid backflow mechanism can be used for enabling the cooling liquid in the cooling liquid recycling and storing mechanism to flow back into the cooling liquid spraying mechanism; the cooling liquid cooling mechanism can be used for cooling the cooling liquid in the cooling liquid backflow mechanism; the cooling liquid cooling mechanism comprises an ice-making water tank and a refrigerating system, a water storage cavity capable of storing water is formed in the ice-making water tank, the ice-making water tank makes contact with the cooling liquid backflow mechanism, and the refrigerating system can cool water in the water storage cavity and condense the water in the water storage cavity into ice. According to the utility model, the cooling liquid sprayed on the hot-rolled steel pipe can be recycled, cooled and reused, so that the waste of the cooling liquid is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot rolled steel pipe technical field especially relates to a kind of cooling liquid recycling device of hot rolled steel pipe with cooling function. BACKGROUND

[0002] Currently, when rolling steel pipe, usually adopt the production process of cold rolling or hot rolling, hot rolling is relative to cold rolling, cold rolling is the rolling below recrystallization temperature, and hot rolling is the rolling above recrystallization temperature, hot rolled steel pipe needs to be cooled to enter next production procedure, so hot rolled steel pipe needs to be cooled by special cooling device.

[0003] The existing cooling device usually adopts the way of spraying cooling liquid to hot rolled steel pipe to cool hot rolled steel pipe, and the cooling liquid sprayed on hot rolled steel pipe can absorb the heat in hot rolled steel pipe, thereby realizing the cooling of hot rolled steel pipe.

[0004] The cooling liquid sprayed on hot rolled steel pipe can be reused after being cooled, and the existing cooling device cannot recycle, cool and reuse the cooling liquid sprayed on hot rolled steel pipe, which undoubtedly leads to the waste of cooling liquid. INVENTION CONTENTS

[0005] According to the above technical problem, a kind of cooling liquid recycling device of hot rolled steel pipe with cooling function is provided, the utility model can recycle, cool and reuse the cooling liquid sprayed on hot rolled steel pipe, thereby reducing the waste of cooling liquid, and the technical means adopted by the utility model is as follows:

[0006] A kind of cooling liquid recycling device of hot rolled steel pipe with cooling function, including the cooling liquid spraying mechanism that cooling liquid can be sprayed on hot rolled steel pipe, the cooling liquid recovery storage mechanism that cooling liquid on hot rolled steel pipe can be recycled and stored, the cooling liquid return flow mechanism that cooling liquid in cooling liquid recovery storage mechanism can be returned to cooling liquid spraying mechanism, and the cooling liquid cooling mechanism that cooling liquid in cooling liquid return flow mechanism can be cooled;The cooling liquid cooling mechanism includes ice water tank and refrigeration system, the water storage cavity that water can be stored is opened in the ice water tank, the ice water tank and cooling liquid return flow mechanism are mutually contacted, and the refrigeration system can cool the water in water storage cavity and condense the water in water storage cavity into ice.

[0007] Further, the cooling liquid spraying mechanism comprises a cooling liquid shunt pipe and a plurality of cooling liquid spraying heads, the cooling liquid shunt pipe comprises a main pipe section and a plurality of branch pipe sections, the input ends of the branch pipe sections are connected with the output end of the main pipe section, the number of the cooling liquid spraying heads is consistent with the number of the branch pipe sections, the input ends of the cooling liquid spraying heads are connected with the output ends of the branch pipe sections one by one, and the output ends of the cooling liquid spraying heads are located directly above the hot-rolled steel pipe.

[0008] Further, the ice-making water tank is provided with a first water tank through hole and a second water tank through hole, the first water tank through hole and the second water tank through hole are in communication with the water storage cavity, the cooling liquid return pipe penetrates the water storage cavity through the first water tank through hole and the second water tank through hole, and the side walls of the first water tank through hole and the second water tank through hole are attached to the outer side wall of the cooling liquid return pipe.

[0009] Further, the ice-making water tank comprises a water tank body and a water tank cover, and the cooling liquid return pipe comprises a water tank mounting pipe section with an axis perpendicular to a horizontal plane; the water tank body is a cylindrical structure with an open upper end and a closed lower end, the water tank cover is detachably covered on the open portion of the upper end of the water tank body, the first water tank through hole is formed in the bottom surface of the water tank body, the water tank body is coaxially sleeved outside the water tank mounting pipe section through the first water tank through hole, the second water tank through hole is formed in the water tank cover, the water tank cover is coaxially sleeved outside the water tank mounting pipe section through the second water tank through hole, and the water tank cover can move along the axis of the water tank mounting pipe section towards the direction away from or close to the water tank body.

[0010] Further, the ice-making water tank is provided with a limiting mechanism, the limiting mechanism comprises a mounting rod, a lower limiting assembly and an upper limiting assembly; the axis of the mounting rod is perpendicular to the horizontal plane, and the lower end of the mounting rod is mounted on the water tank body; the lower limiting assembly comprises a lower limiting movable ring and a lower limiting plate, the lower limiting movable ring is coaxially sleeved outside the mounting rod and can rotate around the axis of the mounting rod, the height difference between the lower limiting movable ring and the water tank body is fixed, and the lower limiting plate is mounted on the lower limiting movable ring and extends in the radial direction of the lower limiting movable ring and away from the axis of the mounting rod; when the water tank cover is covered on the opening portion of the upper end of the water tank body, the bottom surface of the lower limiting plate can be in contact with the top surface of the water tank cover; the upper limiting assembly comprises an upper limiting movable ring and an upper limiting plate, the upper limiting movable ring is coaxially sleeved outside the mounting rod and can rotate around the axis of the mounting rod, the height difference between the upper limiting movable ring and the water tank body is fixed, the upper limiting movable ring is located directly above the lower limiting movable ring, and the upper limiting plate is mounted on the upper limiting movable ring and extends in the radial direction of the upper limiting movable ring and away from the axis of the mounting rod; the top surface of the upper limiting plate can be in contact with the bottom surface of the water tank cover.

[0011] Further, the opening portion of the upper end of the cooling liquid recovery groove is mounted with a flow guide device; the flow guide device is provided with a flow guide channel, the flow guide channel has a horn-shaped structure with a large opening upward and a small opening downward, the large opening of the flow guide channel is located directly below the hot-rolled steel pipe, and the small opening of the flow guide channel is connected with the opening portion of the upper end of the cooling liquid recovery groove.

[0012] Further, the opening portion of the upper end of the cooling liquid recovery groove is paved with a filter screen.

[0013] Further, the refrigeration system comprises a compressor, a condenser, an expansion valve, an evaporator and a refrigerant; the output end of the compressor is connected with the input end of the condenser, the output end of the condenser is connected with the input end of the expansion valve, the output end of the expansion valve is connected with the input end of the evaporator, the output end of the evaporator is connected with the input end of the compressor, and the refrigerant circulates in the compressor, the condenser, the expansion valve and the evaporator in the order of "compressor, condenser, expansion valve, evaporator, compressor"; and the evaporator is in contact with the ice-making water tank.

[0014] Further, the lower end of the ice-making water tank is provided with a water outlet, and a sealing cover is detachably covered on the water outlet.

[0015] Further, the ice-making water tank is provided with an observation port, and an observation window is mounted in the observation port.

[0016] The utility model has the following advantages:

[0017] 1. The utility model discloses a cooling liquid spraying mechanism, cooling liquid recovery and storage mechanism, cooling liquid backflow mechanism and cooling liquid cooling mechanism, the cooling liquid spraying mechanism sprays cooling liquid to the hot rolled steel pipe, and the cooling liquid on the hot rolled steel pipe can absorb the heat in the hot rolled steel pipe, thereby realizing the cooling of the hot rolled steel pipe, the cooling liquid on the hot rolled steel pipe can be recovered and stored in the cooling liquid recovery and storage mechanism, the cooling liquid in the cooling liquid recovery and storage mechanism can be backflowed to the cooling liquid spraying mechanism under the driving of the cooling liquid backflow mechanism, and the cooling liquid cooling mechanism can cool the cooling liquid in the cooling liquid backflow mechanism, the cooling liquid cooling mechanism comprises an ice making water tank and a refrigeration system, a certain amount of water is stored in the water storage cavity of the ice making water tank, when the cooling liquid in the cooling liquid backflow mechanism needs to be cooled, the refrigeration system is controlled to cool the water in the water storage cavity and condense the water in the water storage cavity into ice, since the ice making water tank and the cooling liquid backflow mechanism are in contact with each other, the heat in the cooling liquid in the cooling liquid backflow mechanism can be conducted to the ice in the water storage cavity, so that the ice in the water storage cavity is melted, and the melting of the ice needs to absorb a large amount of heat, so that the heat in the cooling liquid in the cooling liquid backflow mechanism is absorbed in a large amount, thereby realizing the cooling of the cooling liquid in the cooling liquid backflow mechanism, and the cooling liquid sprayed on the hot rolled steel pipe can be recovered, cooled and reused, thereby avoiding the waste of the cooling liquid.

[0018] 2. The utility model discloses a plurality of cooling liquid spray heads in the cooling liquid spraying mechanism spray cooling liquid to the hot rolled steel pipe, the cooling liquid on the hot rolled steel pipe drops into the cooling liquid recovery groove after absorbing the heat in the hot rolled steel pipe, the cooling liquid in the cooling liquid recovery groove is transported to the cooling liquid storage cavity through the cooling liquid conveying pipe, the cooling liquid in the cooling liquid storage cavity enters the cooling liquid backflow pump through the cooling liquid backflow pipe under the control of the cooling liquid backflow pump, the cooling liquid backflow pump transports the cooling liquid to the main pipe section, the main pipe section shunts the cooling liquid to a plurality of branch pipe sections, and the branch pipe sections transport the cooling liquid to the cooling liquid spray heads one by one.

[0019] 3. The utility model discloses a cooling liquid backflow pipe penetrates the water storage cavity through the first water tank through -hole and the second water tank through -hole, and the side wall of the first water tank through -hole and the side wall of the second water tank through -hole are all attached to the outer side wall of the cooling liquid backflow pipe, so that the water or ice in the water storage cavity can directly contact the outer side wall of the cooling liquid backflow pipe, thereby improving the heat absorption efficiency of the ice making water tank.

[0020] 4. In this utility model, the ice-making water tank includes a tank body and a tank cover. The tank body and the tank cover are coaxially sleeved outside the water tank installation pipe section. When the tank cover moves away from the tank body along the axis of the water tank installation pipe section, the operator fills the ice-making water tank with ice or water through the opening between the tank body and the tank cover. When the tank cover moves closer to the tank body along the axis of the water tank installation pipe section and closes the opening at the upper end of the tank body, the ice-making water tank is a closed structure, and ice or water will not spill out of the ice-making water tank.

[0021] 5. In this utility model, when the water tank cover is closed on the opening at the upper end of the water tank body, the lower limit movable ring is rotated so that the bottom surface of the lower limit plate contacts the top surface of the water tank cover, thereby preventing the water tank cover from detaching from the water tank body. When it is necessary to fill the ice-making water tank with ice or water, the water tank cover is moved above the upper limit movable ring, and the upper limit movable ring is rotated so that the top surface of the upper limit plate contacts the bottom surface of the water tank cover, thereby ensuring the size of the opening between the water tank cover and the water tank body, so that the operator can smoothly fill the ice-making water tank with ice or water.

[0022] 6. In this utility model, the coolant dripping onto the guide device will flow into the coolant recovery tank along the side wall of the guide channel.

[0023] 7. In this utility model, the filter screen laid at the opening at the top of the coolant recovery tank will filter impurities in the coolant.

[0024] 8. In this utility model, the compressor compresses the low-temperature, low-pressure gaseous refrigerant and outputs a high-temperature, high-pressure gaseous refrigerant to the condenser. The condenser condenses the high-temperature, high-pressure gaseous refrigerant and outputs a high-temperature, high-pressure liquid refrigerant to the expansion valve. The expansion valve expands the high-temperature, high-pressure liquid refrigerant and outputs a low-temperature, low-pressure liquid refrigerant to the evaporator. The evaporator evaporates the low-temperature, low-pressure liquid refrigerant and outputs a low-temperature, low-pressure gaseous refrigerant to the compressor. Because the evaporator is in contact with the ice-making water tank, when the evaporator evaporates the low-temperature, low-pressure liquid refrigerant, it absorbs a large amount of heat from the ice-making water tank, thereby cooling the water in the water storage chamber and condensing the water in the water storage chamber into ice.

[0025] 9. In this utility model, when the sealing cap is removed from the water outlet, excess water in the ice-making water tank can flow out of the ice-making water tank through the water outlet; when the sealing cap is put back on the water outlet, the water in the ice-making water tank will no longer flow out of the water outlet.

[0026] 10. In this utility model, staff can observe the situation inside the ice-making water tank through the observation window inside the observation port. Attached Figure Description

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0028] Figure 1 It is a front view of the cooling liquid recycling device with cooling function for hot-rolled steel pipe in the embodiment of the present application.

[0029] Figure 2 It is a rear view of the cooling liquid recycling device with cooling function for hot-rolled steel pipe in the embodiment of the present application.

[0030] Figure 3 It is a whole structure diagram of the cooling liquid recovery tank in the embodiment of the present application.

[0031] Figure 4 It is a front view of the cooling liquid return pipe and the ice-making water tank in the embodiment of the present application.

[0032] Figure 5 It is a rear view of the cooling liquid return pipe and the ice-making water tank in the embodiment of the present application.

[0033] Figure 6 It is a whole structure diagram of the refrigeration system in the embodiment of the present application.

[0034] The drawings show that: 1 is a mounting cover; 2 is a cooling liquid recovery tank; 3 is a hot-rolled steel pipe; 4 is a cooling liquid return pipe; 5 is a cooling liquid return pump; 6 is an ice-making water tank; 7 is a cooling liquid storage tank; 8 is a flow guide device; 9 is a filter screen; 10 is a support rod; 11 is a limiting mechanism; 12 is a condenser; 13 is a compressor; 14 is an evaporator; 15 is an expansion valve; 16 is a cooling liquid spraying head; 401 is a water tank mounting pipe section; 402 is a return pump connecting pipe section; 601 is a water tank cover; 602 is a water tank body; 603 is an observation window; 604 is a water outlet; 1101 is an upper limiting plate; 1102 is an upper limiting movable ring; 1103 is a mounting rod; 1104 is a lower limiting movable ring; 1105 is a lower limiting plate. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0036] As shown in Figure 1 , Figure 2 and Figure 6 , a cooling liquid recycling device with cooling function for hot-rolled steel pipe, comprising a cooling liquid spraying mechanism capable of spraying cooling liquid on the hot-rolled steel pipe 3, a cooling liquid recycling and storage mechanism capable of recycling and storing the cooling liquid on the hot-rolled steel pipe 3, a cooling liquid return mechanism capable of returning the cooling liquid in the cooling liquid recycling and storage mechanism to the cooling liquid spraying mechanism, and a cooling liquid cooling mechanism capable of cooling the cooling liquid in the cooling liquid return mechanism; the cooling liquid cooling mechanism comprises an ice-making water tank 6 and a refrigeration system, the ice-making water tank 6 is provided with a water storage cavity capable of storing water, the ice-making water tank 6 is in contact with the cooling liquid return mechanism, and the refrigeration system can cool the water in the water storage cavity and condense the water in the water storage cavity into ice.

[0037] Specifically, the side wall of the water storage cavity is paved with a heat preservation layer, and the material of the heat preservation layer is rock wool.

[0038] The cooling liquid spraying mechanism sprays cooling liquid on the hot-rolled steel pipe 3, the cooling liquid sprayed on the hot-rolled steel pipe 3 absorbs the heat in the hot-rolled steel pipe 3, thereby cooling the hot-rolled steel pipe 3, the cooling liquid on the hot-rolled steel pipe 3 is recycled and stored in the cooling liquid recycling and storage mechanism, the cooling liquid in the cooling liquid recycling and storage mechanism is returned to the cooling liquid spraying mechanism under the driving of the cooling liquid return mechanism, and the cooling liquid cooling mechanism cools the cooling liquid in the cooling liquid return mechanism; the cooling liquid cooling mechanism in the embodiment comprises an ice-making water tank 6 and a refrigeration system, a certain amount of water is stored in the water storage cavity of the ice-making water tank 6, when the cooling liquid in the cooling liquid return mechanism needs to be cooled, the refrigeration system is controlled to cool the water in the water storage cavity and condense the water in the water storage cavity into ice, since the ice-making water tank 6 is in contact with the cooling liquid return mechanism, the heat in the cooling liquid in the cooling liquid return mechanism is conducted to the ice in the water storage cavity, so that the ice in the water storage cavity melts, and the melting of the ice needs to absorb a large amount of heat, so that the heat in the cooling liquid in the cooling liquid return mechanism is absorbed, thereby cooling the cooling liquid in the cooling liquid return mechanism; the embodiment can recycle, cool and reuse the cooling liquid sprayed on the hot-rolled steel pipe 3, thereby avoiding the waste of the cooling liquid.

[0039] In this embodiment, as shown in Figure 1 and Figure 2 The cooling liquid spraying mechanism includes a cooling liquid shunt pipe and a plurality of cooling liquid spraying heads 16. The cooling liquid shunt pipe includes a main pipe section and a plurality of branch pipe sections. The input ends of the branch pipe sections are connected to the output end of the main pipe section. The number of the cooling liquid spraying heads 16 is consistent with the number of the branch pipe sections. The input ends of the cooling liquid spraying heads 16 are one-to-one connected to the output ends of the branch pipes. The output ends of the cooling liquid spraying heads 16 are located directly above the hot-rolled steel pipe 3. The cooling liquid recovery and storage mechanism includes a cooling liquid recovery tank 2, a cooling liquid storage tank 7, and a cooling liquid conveying pipe. The top surface of the cooling liquid recovery tank 2 is provided with a cooling liquid recovery groove for recovering the cooling liquid on the hot-rolled steel pipe 3. The opening of the cooling liquid recovery groove is located directly below the hot-rolled steel pipe 3. The cooling liquid storage tank 7 is provided with a cooling liquid storage cavity for storing the cooling liquid. The input end of the cooling liquid conveying pipe is in communication with the cooling liquid recovery groove. The output end of the cooling liquid conveying pipe is in communication with the cooling liquid storage cavity. The cooling liquid return mechanism includes a cooling liquid return pipe 4 and a cooling liquid return pump 5. The input end of the cooling liquid return pipe 4 is in communication with the cooling liquid storage cavity. The output end of the cooling liquid return pipe 4 is connected to the input end of the cooling liquid return pump 5. The output end of the cooling liquid return pump 5 is connected to the input end of the main pipe section.

[0040] Specifically, the cooling liquid spraying mechanism further includes an installation cover 1 with an opening facing downward. The opening of the installation cover 1 is located directly above the cooling liquid recovery groove. The plurality of cooling liquid spraying heads 16 are installed on the installation cover 1. A plurality of hot-rolled steel pipes 3 are detachably installed in the opening of the installation cover 1. The cooling liquid return pump 5 is installed on the top surface of the installation cover 1.

[0041] The plurality of cooling liquid spraying heads 16 spray cooling liquid onto the hot-rolled steel pipe 3. The cooling liquid sprayed onto the hot-rolled steel pipe 3 absorbs heat from the hot-rolled steel pipe 3 and then drips into the cooling liquid recovery groove. The cooling liquid in the cooling liquid recovery groove is conveyed to the cooling liquid storage cavity through the cooling liquid conveying pipe. The cooling liquid return pump 5 is controlled to work. The cooling liquid in the cooling liquid storage cavity enters the cooling liquid return pump 5 through the cooling liquid return pipe 4. The cooling liquid return pump 5 conveys the cooling liquid to the main pipe section. The main pipe section shunts the cooling liquid to the plurality of branch pipe sections. The branch pipe sections one-to-one convey the cooling liquid to the cooling liquid spraying heads 16.

[0042] In this embodiment, as shown in Figure 2 , Figure 4 and Figure 5As shown, the ice-making water tank 6 is provided with a first water tank through hole and a second water tank through hole; the first water tank through hole and the second water tank through hole are both in communication with the water storage cavity, and the cooling liquid return pipe 4 penetrates the water storage cavity through the first water tank through hole and the second water tank through hole; the side wall of the first water tank through hole and the side wall of the second water tank through hole are both in contact with the outer side wall of the cooling liquid return pipe 4.

[0043] The cooling liquid return pipe 4 penetrates the water storage cavity through the first water tank through hole and the second water tank through hole, and the side wall of the first water tank through hole and the side wall of the second water tank through hole are both in contact with the outer side wall of the cooling liquid return pipe 4, so that the water or ice in the water storage cavity can directly contact the outer side wall of the cooling liquid return pipe 4, thereby improving the heat absorption efficiency of the ice-making water tank 6.

[0044] In this embodiment, as shown in Figure 4 and Figure 5 As shown, the ice-making water tank 6 includes a water tank body 602 and a water tank cover 601, and the cooling liquid return pipe 4 includes a water tank mounting pipe section 401 with an axis perpendicular to the horizontal plane; the water tank body 602 is a cylindrical structure with an open upper end and a closed lower end, and the water tank cover 601 is detachably combined with the open portion of the upper end of the water tank body 602; the bottom surface of the water tank body 602 is provided with the first water tank through hole, and the water tank body 602 is coaxially sleeved outside the water tank mounting pipe section 401 through the first water tank through hole; the water tank cover 601 is provided with the second water tank through hole, and the water tank cover 601 is coaxially sleeved outside the water tank mounting pipe section 401 through the second water tank through hole; and the water tank cover 601 can move along the axis of the water tank mounting pipe section 401 towards the direction away from or close to the water tank body 602.

[0045] Specifically, the cooling liquid return pipe 4 further includes a return pump connecting pipe section 402 with an axis parallel to the horizontal plane; the lower end of the water tank mounting pipe section 401 is in communication with the cooling liquid storage cavity; the upper end of the water tank mounting pipe section 401 is located at the same horizontal plane as the input end of the cooling liquid return pump 5 and is connected with one end of the return pump connecting pipe section 402; and the other end of the return pump connecting pipe section 402 is connected with the input end of the cooling liquid return pump 5.

[0046] The ice-making water tank 6 includes the water tank body 602 and the water tank cover 601, and the water tank body 602 and the water tank cover 601 are both coaxially sleeved outside the water tank mounting pipe section 401; when the water tank cover 601 moves along the axis of the water tank mounting pipe section 401 towards the direction away from the water tank body 602, the staff fills ice or water into the ice-making water tank 6 through the opening between the water tank body 602 and the water tank cover 601; and when the water tank cover 601 moves along the axis of the water tank mounting pipe section 401 towards the direction close to the water tank body 602 and is combined with the open portion of the upper end of the water tank body 602, the ice-making water tank 6 is a closed structure, and the ice or water cannot spill out of the ice-making water tank 6.

[0047] In this embodiment, as shown in Figure 4 and Figure 5 The ice-making water tank 6 is provided with a limiting mechanism 11, which includes a mounting rod 1103, a lower limiting assembly and an upper limiting assembly. The axis of the mounting rod 1103 is perpendicular to the horizontal plane, and the lower end of the mounting rod 1103 is mounted on the water tank body 602. The lower limiting assembly includes a lower limiting movable ring 1104 and a lower limiting plate 1105. The lower limiting movable ring 1104 is coaxially sleeved outside the mounting rod 1103 and can rotate around the axis of the mounting rod 1103. The height difference between the lower limiting movable ring 1104 and the water tank body 602 is fixed. The lower limiting plate 1105 is mounted on the lower limiting movable ring 1104 and extends in the radial direction of the lower limiting movable ring 1104 away from the axis of the mounting rod 1103. When the water tank cover 601 is covered on the opening at the upper end of the water tank body 602, the bottom surface of the lower limiting plate 1105 can be in contact with the top surface of the water tank cover 601. The upper limiting assembly includes an upper limiting movable ring 1102 and an upper limiting plate 1101. The upper limiting movable ring 1102 is coaxially sleeved outside the mounting rod 1103 and can rotate around the axis of the mounting rod 1103. The height difference between the upper limiting movable ring 1102 and the water tank body 602 is fixed. The upper limiting movable ring 1102 is located directly above the lower limiting movable ring 1104. The upper limiting plate 1101 is mounted on the upper limiting movable ring 1102 and extends in the radial direction of the upper limiting movable ring 1102 away from the axis of the mounting rod 1103. The top surface of the upper limiting plate 1101 can be in contact with the bottom surface of the water tank cover 601.

[0048] When the water tank cover 601 is covered on the opening at the upper end of the water tank body 602, the lower limiting movable ring 1104 is rotated so that the bottom surface of the lower limiting plate 1105 is in contact with the top surface of the water tank cover 601, thereby preventing the water tank cover 601 from being separated from the water tank body 602. When it is necessary to fill ice or water into the ice-making water tank 6, the water tank cover 601 is moved above the upper limiting movable ring 1102, and the upper limiting movable ring 1102 is rotated so that the top surface of the upper limiting plate 1101 is in contact with the bottom surface of the water tank cover 601, thereby ensuring the size of the opening between the water tank cover 601 and the water tank body 602, so that the staff can smoothly fill ice or water into the ice-making water tank 6.

[0049] In this embodiment, as shown in Figure 3 The opening at the upper end of the cooling liquid recovery tank is provided with a flow guide device 8. The flow guide device 8 is provided with a flow guide channel, which has a horn-shaped structure with a large opening upward and a small opening downward. The large opening of the flow guide channel is located directly below the hot-rolled steel pipe 3, and the small opening of the flow guide channel is connected with the opening at the upper end of the cooling liquid recovery tank.

[0050] The cooling liquid dropped on the flow guide device 8 flows into the cooling liquid recovery groove along the side wall of the flow guide channel.

[0051] As shown in the embodiment, Figure 3 The opening part of the upper end of the cooling liquid recovery groove is paved with a filter screen 9.

[0052] Specifically, the filter screen 9 is provided with a support rod 10 which can support and unfold the filter screen 9.

[0053] The filter screen 9 paved on the opening part of the upper end of the cooling liquid recovery groove can filter the impurities in the cooling liquid.

[0054] As shown in the embodiment, Figure 6 The refrigeration system comprises a compressor 13, a condenser 12, an expansion valve 15, an evaporator 14 and a refrigerant; the output end of the compressor 13 is connected with the input end of the condenser 12, the output end of the condenser 12 is connected with the input end of the expansion valve 15, the output end of the expansion valve 15 is connected with the input end of the evaporator 14, the output end of the evaporator 14 is connected with the input end of the compressor 13, the refrigerant circulates in the compressor 13, the condenser 12, the expansion valve 15 and the evaporator 14 in the order of “compressor 13, condenser 12, expansion valve 15, evaporator 14, compressor 13”, and the evaporator 14 is in contact with the ice-making water tank 6.

[0055] The compressor 13 compresses the low-temperature and low-pressure gaseous refrigerant and outputs high-temperature and high-pressure gaseous refrigerant to the condenser 12, the condenser 12 condenses the high-temperature and high-pressure gaseous refrigerant and outputs high-temperature and high-pressure liquid refrigerant to the expansion valve 15, the expansion valve 15 expands the high-temperature and high-pressure liquid refrigerant and outputs low-temperature and low-pressure liquid refrigerant to the evaporator 14, the evaporator 14 evaporates the low-temperature and low-pressure liquid refrigerant and outputs low-temperature and low-pressure gaseous refrigerant to the compressor 13, because the evaporator 14 is in contact with the ice-making water tank 6, when the evaporator 14 evaporates the low-temperature and low-pressure liquid refrigerant, a large amount of heat is absorbed from the ice-making water tank 6, thereby cooling the water in the water storage cavity and condensing the water in the water storage cavity into ice.

[0056] As shown in the embodiment, Figure 4 The lower end of the ice-making water tank 6 is provided with a water outlet 604, and the water outlet 604 is detachably covered with a sealing cover.

[0057] Specifically, the water outlet 604 is provided on the bottom surface of the water tank body 602.

[0058] When the sealing cover is detached from the water outlet 604, the excess water in the ice-making water tank 6 can flow out of the ice-making water tank 6 through the water outlet 604; when the sealing cover is closed on the water outlet 604, the water in the ice-making water tank 6 can no longer flow out of the ice-making water tank 6 through the water outlet 604.

[0059] In this embodiment, as shown in the figure, an observation opening is formed on the ice-making water tank 6, and an observation window 603 is installed in the observation opening. Figure 4

[0060] Specifically, the observation opening is formed on the side wall of the water tank body 602.

[0061] The staff can observe the condition in the ice-making water tank 6 through the observation window 603 in the observation opening.

[0062] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.​

Claims

1. A hot-rolled steel pipe cooling liquid recycling device having a cooling function, characterized by, The cooling liquid spraying mechanism can spray cooling liquid on the hot-rolled steel pipe (3), the cooling liquid recovery and storage mechanism can recover and store the cooling liquid on the hot-rolled steel pipe (3), the cooling liquid backflow mechanism can make the cooling liquid in the cooling liquid recovery and storage mechanism backflow into the cooling liquid spraying mechanism, and the cooling liquid cooling mechanism can cool the cooling liquid in the cooling liquid backflow mechanism. The cooling liquid cooling mechanism comprises an ice-making water tank (6) and a refrigeration system, the ice-making water tank (6) is internally provided with a water storage cavity for storing water, the ice-making water tank (6) is in contact with the cooling liquid backflow mechanism, and the refrigeration system can cool the water in the water storage cavity and condense the water in the water storage cavity into ice. The cooling liquid spraying mechanism comprises a cooling liquid shunt pipe and a plurality of cooling liquid spraying heads (16), the cooling liquid shunt pipe comprises a main pipe section and a plurality of branch pipe sections, the input ends of the branch pipe sections are connected with the output end of the main pipe section, the number of the cooling liquid spraying heads (16) is consistent with the number of the branch pipe sections, the input ends of the cooling liquid spraying heads (16) are one-to-one connected with the output ends of the branch pipes, and the output ends of the cooling liquid spraying heads (16) are located directly above the hot-rolled steel pipe (3). The cooling liquid recovery and storage mechanism comprises a cooling liquid recovery tank (2), a cooling liquid storage tank (7) and a cooling liquid conveying pipe, the top surface of the cooling liquid recovery tank (2) is provided with a cooling liquid recovery groove for recovering the cooling liquid on the hot-rolled steel pipe (3), the opening part of the cooling liquid recovery groove is located directly below the hot-rolled steel pipe (3), the cooling liquid storage tank (7) is internally provided with a cooling liquid storage cavity for storing the cooling liquid, the input end of the cooling liquid conveying pipe is communicated with the cooling liquid recovery groove, and the output end of the cooling liquid conveying pipe is communicated with the cooling liquid storage cavity. The cooling liquid backflow mechanism comprises a cooling liquid backflow pipe (4) and a cooling liquid backflow pump (5), the input end of the cooling liquid backflow pipe (4) is communicated with the cooling liquid storage cavity, the output end of the cooling liquid backflow pipe (4) is connected with the input end of the cooling liquid backflow pump (5), and the output end of the cooling liquid backflow pump (5) is connected with the input end of the main pipe section. The cooling liquid spraying mechanism further comprises an installation cover (1) with an opening facing downward, the opening of the installation cover (1) is located directly above the cooling liquid recovery groove, the plurality of cooling liquid spraying heads (16) are all installed on the installation cover (1), and the opening of the installation cover (1) is detachably provided with a plurality of hot-rolled steel pipes (3).

2. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, The ice-making water tank (6) is provided with a first water tank through hole and a second water tank through hole. The first water tank through hole and the second water tank through hole are both communicated with the water storage cavity, the cooling liquid backflow pipe (4) penetrates the water storage cavity through the first water tank through hole and the second water tank through hole, and the side wall of the first water tank through hole and the side wall of the second water tank through hole are both attached to the outer side wall of the cooling liquid backflow pipe (4).

3. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 2, characterized in that, The ice-making water tank (6) comprises a water tank body (602) and a water tank cover (601), and the cooling liquid backflow pipe (4) comprises a water tank installation pipe section (401) with an axis perpendicular to a horizontal plane. The water tank body (602) is a cylinder structure with an open upper end and a closed lower end, and the water tank cover (601) is detachably closed on the open part of the upper end of the water tank body (602); A first water tank through hole is formed on the bottom surface of the water tank body (602), the water tank body (602) is coaxially sleeved outside the water tank mounting pipe section (401) through the first water tank through hole, a second water tank through hole is formed on the water tank cover (601), the water tank cover (601) is coaxially sleeved outside the water tank mounting pipe section (401) through the second water tank through hole, and the water tank cover (601) can move along the axis of the water tank mounting pipe section (401) towards the water tank body (602) or away from the water tank body (602).

4. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 3, characterized in that, A limiting mechanism (11) is arranged on the ice-making water tank (6), and the limiting mechanism (11) comprises a mounting rod (1103), a lower limiting assembly and an upper limiting assembly. The axis of the mounting rod (1103) is perpendicular to the horizontal plane, and the lower end of the mounting rod (1103) is mounted on the water tank body (602). The lower limiting assembly comprises a lower limiting movable ring (1104) and a lower limiting plate (1105), the lower limiting movable ring (1104) is coaxially sleeved outside the mounting rod (1103) and can rotate around the axis of the mounting rod (1103), the height difference between the lower limiting movable ring (1104) and the water tank body (602) is fixed, the lower limiting plate (1105) is mounted on the lower limiting movable ring (1104) and extends in the radial direction of the lower limiting movable ring (1104) away from the axis of the mounting rod (1103), and when the water tank cover (601) is closed on the open part of the upper end of the water tank body (602), the bottom surface of the lower limiting plate (1105) can be in contact with the top surface of the water tank cover (601). The upper limiting assembly comprises an upper limiting movable ring (1102) and an upper limiting plate (1101), the upper limiting movable ring (1102) is coaxially sleeved outside the mounting rod (1103) and can rotate around the axis of the mounting rod (1103), the height difference between the upper limiting movable ring (1102) and the water tank body (602) is fixed, the upper limiting movable ring (1102) is located directly above the lower limiting movable ring (1104), the upper limiting plate (1101) is mounted on the upper limiting movable ring (1102) and extends in the radial direction of the upper limiting movable ring (1102) away from the axis of the mounting rod (1103), and the top surface of the upper limiting plate (1101) can be in contact with the bottom surface of the water tank cover (601).

5. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, A flow guide device (8) is mounted on the open part of the upper end of the cooling liquid recovery tank; A flow guide channel is formed on the flow guide device (8), the flow guide channel has a horn-shaped structure with a large opening upward and a small opening downward, the large opening of the flow guide channel is located directly below the hot-rolled steel pipe (3), and the small opening of the flow guide channel is connected with the open part of the upper end of the cooling liquid recovery tank.

6. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, A filter screen (9) is laid on the open part of the upper end of the cooling liquid recovery tank.

7. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, The refrigeration system comprises a compressor (13), a condenser (12), an expansion valve (15), an evaporator (14) and a refrigerant; An output end of the compressor (13) is connected with an input end of the condenser (12), an output end of the condenser (12) is connected with an input end of the expansion valve (15), an output end of the expansion valve (15) is connected with an input end of the evaporator (14), an output end of the evaporator (14) is connected with an input end of the compressor (13), and the refrigerant circulates in the compressor (13), the condenser (12), the expansion valve (15) and the evaporator (14) in the order of "compressor (13), condenser (12), expansion valve (15), evaporator (14), compressor (13)"; The evaporator (14) is in contact with an ice-making water tank (6).

8. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, A water outlet (604) is formed at a lower end of the ice-making water tank (6), and a sealing cover is detachably covered on the water outlet (604).

9. The hot-rolled steel pipe cooling liquid recycling device with a cooling function according to claim 1, characterized in that, An observation window (603) is installed in an observation opening formed on the ice-making water tank (6).

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