Centrifugal pump capable of achieving circulating cooling

Abstract

The utility model discloses a centrifugal pump capable of being cooled circularly, which comprises a pump body, a power shaft is arranged on the pump body, a circulating cooling mechanism is arranged on one side of the power shaft, a supporting mechanism is arranged on the circulating cooling mechanism, the circulating cooling mechanism comprises a protective shell and a cooling ring pipe, a sealing seat is fixedly connected in the protective shell, and the cooling ring pipe is fixedly connected in the sealing seat. An impeller is rotationally connected into the sealing seat, a driven shaft is fixedly connected to the end of the impeller, and a transmission wheel and a transmission belt are arranged between the driven shaft and the power shaft. According to the centrifugal pump capable of being circularly cooled, the pump body is driven by the power shaft to perform water pumping work, meanwhile, cooling liquid is driven to enter the cooling ring pipe, the cooling ring pipe cools an engine, the heat exchange coil pipe makes contact with water for heat exchange, the cooling liquid in the cooling ring pipe is cooled to take away heat, and water is prevented from making direct contact with an inner cavity of the pump body to generate water scale; therefore, the heat dissipation effect can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal pumps, in particular to a centrifugal pump with recyclable cooling. Background Technique

[0002] The water-cooled centrifugal pump for fire protection sucks water into the inside of the casing and discharges it, which can take away the heat generated by the engine during operation. However, after use, water will remain inside the casing. After long-term use, scale is likely to form inside the casing. When there is too much scale, it is easy to cause blockage, resulting in an unsatisfactory cooling effect. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a centrifugal pump with recyclable cooling, which solves the problems that water will remain inside the casing, scale is likely to form inside the casing after long-term use, and blockage is easy to occur when there is too much scale, resulting in an unsatisfactory cooling effect.

[0004] To achieve the above objectives, the utility model is realized through the following technical solutions: A centrifugal pump with recyclable cooling, including a pump body, a power shaft is provided on the pump body, a recyclable cooling mechanism is provided on one side of the power shaft, and a support mechanism is provided on the recyclable cooling mechanism;

[0005] The recyclable cooling mechanism includes a protective shell and a cooling ring pipe. A sealing seat is fixedly connected inside the protective shell. An impeller is rotatably connected inside the sealing seat. A driven shaft is fixedly connected to the end of the impeller. A transmission wheel and a transmission belt are provided between the driven shaft and the power shaft. A liquid inlet pipe is fixedly connected to the top of the sealing seat. The end of the liquid inlet pipe is connected to a liquid storage box. The end of the liquid storage box is connected to a return pipe. An outlet pipe is fixedly connected to one side of the sealing seat. The end of the outlet pipe is connected to a heat exchange coil. Both ends of the cooling ring pipe are fixedly connected with circulation pipes. One end of the cooling ring pipe is communicated with the liquid storage box through the circulation pipe, and the other end of the cooling ring pipe is communicated with the return pipe through the circulation pipe.

[0006] Preferably, the protective shell is fixedly installed on the pump body, and the protective shell is detachably connected to the pump body, so that the protective shell can be disassembled and assembled, thereby facilitating the maintenance of the components inside the protective shell.

[0007] Preferably, the two transmission wheels are respectively fixed on the driven shaft and the power shaft, the transmission belt is sleeved on the two transmission wheels, and the power shaft is in transmission connection with the driven shaft through the transmission wheel and the transmission belt, so that the power shaft of the pump body can be used as a power source to drive the driven shaft to rotate without additional power equipment.

[0008] Preferably, the liquid storage box is internally provided with a coolant, and both ends of the liquid storage box are respectively communicated with the sealing seat and the cooling ring pipe, so that the coolant inside the liquid storage box can flow into the cooling ring pipe from the sealing seat.

[0009] Preferably, the heat exchange coil is arranged at the water inlet of the pump body, and both ends of the heat exchange coil are respectively communicated with the return pipe and the liquid outlet pipe, so that the heat exchange coil can exchange heat with the water entering the pump body and cool the coolant inside it.

[0010] Preferably, the support mechanism includes a plurality of support rods. The plurality of support rods are evenly arranged outside the heat exchange coil. A support ring is fixedly connected to the end of each support rod. The support ring is sleeved outside the heat exchange coil. One end of the support rod away from the support ring is fixedly connected with a fixing plate. A plurality of fixing bolts are arranged on the fixing plate, which can fix the heat exchange coil and effectively improve the stability.

[0011] The utility model provides a centrifugal pump with recyclable cooling. Compared with the prior art, it has the following

[0012] Beneficial effects:

[0013] 1. For the centrifugal pump with recyclable cooling, the rotation of the power shaft drives the pump body to pump water. At the same time, it drives the driven shaft to rotate. The rotation of the driven shaft drives the coolant into the cooling ring pipe. The cooling ring pipe cools the engine. The heat exchange coil contacts with the water for heat exchange, cools the coolant inside, takes away the heat, prevents water from directly contacting the inner cavity of the pump body to generate scale, and avoids blockage, thereby effectively improving the heat dissipation effect.

[0014] 2. For the centrifugal pump with recyclable cooling, the fixing plate is fixed on the inner wall of the pump body through the fixing bolts, and the support ring is sleeved on the heat exchange coil, which can fix the heat exchange coil and effectively improve the stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structural schematic diagram of the utility model;

[0016] Figure 2 is the structural schematic diagram of the recyclable cooling mechanism of the utility model;

[0017] Figure 3 is the structural schematic diagram of the sealing seat of the utility model;

[0018] Figure 4 is the structural schematic diagram of the support mechanism of the utility model.

[0019] In the figure: 1. Pump body; 2. Circulating cooling mechanism; 201. Protective shell; 202. Sealing seat; 203. Impeller; 204. Driving wheel; 205. Transmission belt; 206. Driven shaft; 207. Liquid inlet pipe; 208. Liquid storage box; 209. Return pipe; 210. Liquid outlet pipe; 211. Cooling loop pipe; 212. Heat exchange coil; 213. Circulation pipe; 3. Power shaft; 4. Support mechanism; 401. Support rod; 402. Support ring; 403. Fixed plate; 404. Fixing bolt. Detailed implementation manners

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-3 , the present invention provides a technical solution: a centrifugal pump with circulating cooling, including a pump body 1, a power shaft 3 is arranged on the pump body 1, a circulating cooling mechanism 2 is arranged on one side of the power shaft 3, and a support mechanism 4 is arranged on the circulating cooling mechanism 2. The inside of the pump body 1 can be effectively cooled by the circulating cooling mechanism 2, and the heat is taken away by using the water entering the pump body 1 for heat exchange, preventing the water from directly contacting the inner cavity of the pump body 1 to generate scale and avoiding blockage, so as to effectively improve the cooling effect.

[0022] The circulating cooling mechanism 2 includes a protective housing 201 and a cooling loop pipe 211. The protective housing 201 is fixedly installed on the pump body 1, and the protective housing 201 is detachably connected to the pump body 1, enabling the disassembly and assembly of the protective housing 201, so that the components inside the protective housing 201 can be conveniently overhauled. A sealing seat 202 is fixedly connected inside the protective housing 201. An impeller 203 is rotatably connected inside the sealing seat 202. A driven shaft 206 is fixedly connected to the end of the impeller 203. The driven shaft 206 can drive the impeller 203 to rotate, thereby driving the coolant to circulate and cool. A transmission wheel 204 and a transmission belt 205 are provided between the driven shaft 206 and the power shaft 3. The two transmission wheels 204 are respectively fixed on the driven shaft 206 and the power shaft 3. The transmission belt 205 is sleeved on the two transmission wheels 204. The power shaft 3 is drivingly connected to the driven shaft 206 through the transmission wheel 204 and the transmission belt 205, enabling the use of the power shaft 3 of the pump body 1 as a power source to drive the driven shaft 206 to rotate without the need to additionally increase power equipment. A liquid inlet pipe 207 is fixedly connected to the top of the sealing seat 202. The end of the liquid inlet pipe 207 is connected to a liquid storage box 208. Coolant is provided inside the liquid storage box 208. Both ends of the liquid storage box 208 are communicated with the sealing seat 202 and the cooling loop pipe 211 respectively, enabling the coolant inside the liquid storage box 208 to flow into the cooling loop pipe 211 from the sealing seat 202. A return pipe 209 is connected to the end of the liquid storage box 208. An outlet pipe 210 is fixedly connected to one side of the sealing seat 202. The end of the outlet pipe 210 is connected to a heat exchange coil 212. The heat exchange coil 212 is arranged at the water inlet of the pump body 1. Both ends of the heat exchange coil 212 are communicated with the return pipe 209 and the outlet pipe 210 respectively, enabling the heat exchange coil 212 to exchange heat with the water entering the pump body 1 and cool the coolant inside it. Both ends of the cooling loop pipe 211 are fixedly connected with circulation pipes 213. One end of the cooling loop pipe 211 is communicated with the liquid storage box 208 through the circulation pipe 213, and the other end of the cooling loop pipe 211 is communicated with the return pipe 209 through the circulation pipe 213, enabling the coolant inside the cooling loop pipe 211 to flow, thereby cooling the engine of the pump body 1.

[0023] Please refer to Figure 1 and Figure 4 As shown in FIGS. and, the support mechanism 4 includes a plurality of support rods 401. The plurality of support rods 401 are evenly arranged outside the heat exchange coil 212. A support ring 402 is fixedly connected to the end of each support rod 401. The support ring 402 is sleeved outside the heat exchange coil 212. One end of the support rod 401 away from the support ring 402 is fixedly connected to a fixing plate 403. A plurality of fixing bolts 404 are provided on the fixing plate 403. The fixing plate 403 can be fixed on the inner wall of the pump body 1 through the fixing bolts 404, and the heat exchange coil 212 can be fixed by sleeving the support ring 402 on the heat exchange coil 212, effectively improving the stability.

[0024] During operation, the power shaft 3 rotates to drive the pump body 1 to pump water. At the same time, the power shaft 3 drives the driven shaft 206 to rotate through the driving wheel 204 and the transmission belt 205. The rotation of the driven shaft 206 drives the impeller 203 to rotate. The rotation of the impeller 203 pumps the coolant inside the liquid storage box 208 into the inside of the sealing seat 202, and enters the cooling ring pipe 211 through the sealing seat 202, the liquid outlet pipe 210, the heat exchange coil pipe 212, the return pipe 209, and the circulation pipe 213. The cooling ring pipe 211 cools the engine, and the coolant that takes away the heat returns to the inside of the liquid storage box 208 through the circulation pipe 213 for circulation. The heat exchange coil pipe 212 at the water inlet of the pump body 1 contacts and exchanges heat with water to cool the internal coolant and take away the heat, preventing water from directly contacting the inner cavity of the pump body 1 to generate scale and avoiding blockage, thereby effectively improving the heat dissipation effect.

[0025] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. A centrifugal pump with recyclable cooling, comprising a pump body (1), characterized in that: A power shaft (3) is provided on the pump body (1), a circulating cooling mechanism (2) is provided on one side of the power shaft (3), and a support mechanism (4) is provided on the circulating cooling mechanism (2). The circulating cooling mechanism (2) includes a protective shell (201) and a cooling ring pipe (211). A sealing seat (202) is fixedly connected inside the protective shell (201). An impeller (203) is rotatably connected inside the sealing seat (202). A driven shaft (206) is fixedly connected to the end of the impeller (203). A transmission wheel (204) and a transmission belt (205) are provided between the driven shaft (206) and the power shaft (3). A liquid inlet pipe (207) is fixedly connected to the top of the sealing seat (202). The end of the liquid inlet pipe (207) is connected to a liquid storage box (208). The end of the liquid storage box (208) is connected to a return pipe (209). A liquid outlet pipe (210) is fixedly connected to one side of the sealing seat (202). The end of the liquid outlet pipe (210) is connected to a heat exchange coil pipe (212). Both ends of the cooling ring pipe (211) are fixedly connected with circulating pipes (213). One end of the cooling ring pipe (211) is communicated with the liquid storage box (208) through the circulating pipe (213), and the other end of the cooling ring pipe (211) is communicated with the return pipe (209) through the circulating pipe (213).

2. The centrifugal pump capable of cyclic cooling according to claim 1, wherein: The protective shell (201) is fixedly installed on the pump body (1), and the protective shell (201) is detachably connected to the pump body (1).

3. The centrifugal pump capable of cyclic cooling according to claim 1, wherein: The two transmission wheels (204) are respectively fixed on the driven shaft (206) and the power shaft (3). The transmission belt (205) is sleeved on the two transmission wheels (204). The power shaft (3) is in transmission connection with the driven shaft (206) through the transmission wheel (204) and the transmission belt (205).

4. A centrifugal pump with recyclable cooling according to claim 1, characterized in that: Cooling liquid is provided inside the liquid storage box (208), and both ends of the liquid storage box (208) are communicated with the sealing seat (202) and the cooling ring pipe (211) respectively.

5. A centrifugal pump with recyclable cooling according to claim 1, characterized in that: The heat exchange coil pipe (212) is arranged at the water inlet of the pump body (1), and both ends of the heat exchange coil pipe (212) are communicated with the return pipe (209) and the liquid outlet pipe (210) respectively.

6. The centrifugal pump capable of cyclic cooling according to claim 1, characterized in that: The support mechanism (4) includes a plurality of support rods (401), and the plurality of support rods (401) are uniformly arranged outside the heat exchange coil pipe (212).

7. A centrifugal pump with recyclable cooling according to claim 6, characterized in that: A support ring (402) is fixedly connected to the end of each support rod (401), and the support ring (402) is sleeved outside the heat exchange coil pipe (212).

8. The centrifugal pump capable of recycling and cooling according to claim 7, wherein: One end of the support rod (401) far from the support ring (402) is fixedly connected with a fixing plate (403), and a plurality of fixing bolts (404) are provided on the fixing plate (403).

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