Strong-corrosion-resistant fluorine-lined centrifugal pump

Abstract

The utility model provides a strong-corrosion-resistant fluorine-lined centrifugal pump which comprises a bottom plate, a driving motor and a pump body are arranged at the top of the bottom plate, a mechanical sealing shell is arranged on the pump body, a temperature sensor is arranged in the mechanical sealing shell, an output shaft of the driving motor is in transmission connection with a coupler, and the coupler is in transmission connection with the pump body. One end of the coupler is in transmission connection with the interior of the mechanical sealing shell, a cooling box body is arranged at the top of the bottom plate, and pollutants in water can be removed before the water in the water outlet pipe enters the conveying pipe; therefore, when the first electromagnetic valve and the second electromagnetic valve are opened and water flows into the cooling box body to cool the mechanical sealing shell, pollutants in water can be prevented from being attached to the mechanical sealing shell, and the cooling protection effect on the mechanical sealing shell is not prone to being reduced after the fluorine-lined centrifugal pump is used for a long time.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluorine lining centrifugal pump technical field, concretely relates to a fluorine lining centrifugal pump of strong corrosion resistance. BACKGROUND

[0002] The fluorine lining centrifugal pump is a pump with fluorine plastic lining, which has the function of strong corrosion resistance. The pump body of the fluorine lining centrifugal pump is made of fluorine plastic by tightly lining the metal shell with advanced production process. The load-bearing part of the pump is made of metal material, which has the advantages of high mechanical strength, strong pressure resistance, excellent mechanical impact resistance, etc. The main flow components, such as impeller and pump cover, are made of metal inserts wrapped with fluorine plastic by one-time high-temperature molding.

[0003] A fluorine lining centrifugal pump with strong corrosion resistance is disclosed in Chinese patent application No. CN201921036645.5, which includes a bottom plate, a drive motor and a pump body on the top of the bottom plate, a mechanical seal housing on the pump body, a temperature sensor inside the mechanical seal housing, an output shaft of the drive motor connected to a shaft coupling, the shaft coupling connected to the inside of the mechanical seal housing, a cooling box on the top of the bottom plate, the cooling box fixedly sleeved on the mechanical seal housing, a water inlet pipe on the side of the pump body away from the mechanical seal housing, a water outlet pipe on the top of the pump body, a delivery pipe connected to one side of the water outlet pipe, and a return pipe connected to the other side of the cooling box.

[0004] Although the above-mentioned patent can solve the corresponding technical problems, there are still some defects in the use process:

[0005] The pollutants in the water in the water outlet pipe cannot be removed before entering the delivery pipe, so that the pollutants in the water cannot be prevented from adhering to the mechanical seal housing when the first electromagnetic valve and the second electromagnetic valve are opened and the water flows into the cooling box to cool the mechanical seal housing, which may cause the cooling protection effect of the mechanical seal housing to decrease after long-term use of the fluorine lining centrifugal pump.

[0006] The pollutants in the water in the water outlet pipe cannot be removed before entering the delivery pipe, so that the pollutants in the water cannot be prevented from adhering to the first electromagnetic valve, which may cause the water in the water outlet pipe to be unable to flow into the cooling box through the first electromagnetic valve to cool the mechanical seal housing after long-term use of the fluorine lining centrifugal pump.

[0007] The pollutants in the water in the water outlet pipe cannot be removed before entering the delivery pipe, so that the pollutants in the water cannot be prevented from adhering to the second electromagnetic valve, which may cause the water after cooling the mechanical seal housing to be unable to be discharged to the water inlet pipe after long-term use of the fluorine lining centrifugal pump. UTILITY MODEL CONTENTS

[0008] The utility model discloses a fluorine lining centrifugal pump of strong corrosion resistance.

[0009] To realize above-mentioned purpose, the utility model adopts following technical scheme is:

[0010] A fluorine lining centrifugal pump of strong corrosion resistance, including bottom plate, the top of bottom plate is equipped with drive motor and pump body, be equipped with mechanical seal casing on the pump body, be equipped with temperature sensor in mechanical seal casing, the output shaft of drive motor is connected with the shaft coupling, the inside of mechanical seal casing is connected with the shaft coupling one end, the top of bottom plate is equipped with cooling tank, cooling tank fixed cover is equipped in mechanical seal casing, the side of pump body away from mechanical seal casing is equipped with water inlet pipe, the top of pump body is equipped with water outlet pipe, the side of water outlet pipe is connected with the conveying pipe, the one end of conveying pipe is connected with the bottom of one side of cooling tank, the other side top of cooling tank is installed with the return pipe, the one end of return pipe is connected with water inlet pipe, the one end of conveying pipe near water outlet pipe is installed with first solenoid valve, the one end of return pipe near water inlet pipe is installed with second solenoid valve, still include the dirt removal and prevent device, the dirt removal and prevent device is arranged in the inner wall of water outlet pipe and is communicated with conveying pipe arrangement;

[0011] The dirt removal and prevent device includes a connecting ring seat, the connecting ring seat is arranged on the inner wall of the water outlet pipe, and the connecting ring seat is in communication with the conveying pipe;

[0012] The intercepting net cover is arranged on the connecting ring seat, and the intercepting net cover is used for intercepting pollutants in water before the water in the water outlet pipe enters the conveying pipe.

[0013] The adsorption layer is arranged on the connecting ring seat and inside the intercepting net cover, and the adsorption layer is used for adsorbing water after interception by the intercepting net cover to remove pollutants in the water.

[0014] The buffer and efficiency increasing area is formed between the connecting ring seat, the intercepting net cover and the adsorption layer, and the buffer and efficiency increasing area is used for temporarily buffering water after interception by the intercepting net cover to improve the adsorption efficiency of the adsorption layer.

[0015] The supporting net rack is arranged on the connecting ring seat and connected with the adsorption layer, and the supporting net rack is used for supporting the adsorption layer.

[0016] Further improvement is that the connecting ring seat is detachably arranged on the inner wall of the water outlet pipe.

[0017] Further improvement is that the connecting ring seat is fixedly arranged with a connecting ring away from the end face of the intercepting mesh cover, the connecting ring is threadedly connected to the inner wall of the water outlet pipe, and the connecting ring communicates the connecting ring seat with the conveying pipe.

[0018] Further improvement is that the intercepting mesh cover is provided with a plurality of protruding blocks.

[0019] Further improvement is that the adsorption layer is an activated carbon fiber layer with adsorption function and acid and alkali resistance function.

[0020] Further improvement is that the connecting ring seat is a nickel-based corrosion-resistant alloy connecting ring seat, and / or the intercepting mesh cover is a nickel-based corrosion-resistant alloy intercepting mesh cover, and / or the support mesh frame is a nickel-based corrosion-resistant alloy support mesh frame.

[0021] Further improvement is that the connecting ring is a nickel-based corrosion-resistant alloy connecting ring.

[0022] Further improvement is that the protruding block is a nickel-based corrosion-resistant alloy protruding block.

[0023] After the above technical scheme is adopted, the beneficial effects of the present application are that the pollutants in the water in the water outlet pipe can be removed before the water enters the conveying pipe, so that the pollutants in the water can be prevented from adhering to the mechanical seal shell when the first electromagnetic valve and the second electromagnetic valve are opened and the water flows into the cooling box to cool the mechanical seal shell, and the cooling protection effect on the mechanical seal shell is not easily reduced after long-term use of the fluorine-lined centrifugal pump.

[0024] The pollutants in the water in the water outlet pipe can be removed before the water enters the conveying pipe, so that the pollutants in the water can be prevented from adhering to the first electromagnetic valve, and the water in the water outlet pipe cannot flow into the cooling box through the first electromagnetic valve to cool the mechanical seal shell after long-term use of the fluorine-lined centrifugal pump.

[0025] The pollutants in the water in the water outlet pipe can be removed before the water enters the conveying pipe, so that the pollutants in the water can be prevented from adhering to the second electromagnetic valve, and the water after cooling the mechanical seal shell cannot be discharged to the water inlet pipe after long-term use of the fluorine-lined centrifugal pump. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0027] Figure 1It is the structural schematic diagram of the utility model;

[0028] Figure 2 It is the A part enlarged view of corresponding Figure 1

[0029] Mark explanation: bottom plate 1, drive motor 2, pump body 3, water inlet pipe 4, water outlet pipe 5, mechanical seal casing 6, cooling box 7, conveying pipe 8, first electromagnetic valve 9, backflow pipe 10, second electromagnetic valve 11, shaft coupling 12, connecting ring seat 13, intercepting mesh cover 14, adsorption layer 15, buffer efficiency area 16, support net rack 17, connecting ring 18, convex block 19. Specific implementation

[0030] The utility model is further explained in conjunction with the drawings and specific embodiment.

[0031] Referring to Figures 1 to 2 The technical scheme adopted in the specific embodiment is:

[0032] A strong corrosion resistant fluorine lining centrifugal pump, including bottom plate 1, the top of bottom plate 1 is equipped with drive motor 2 and pump body 3, be equipped with mechanical seal casing 6 on pump body 3, be equipped with temperature sensor in mechanical seal casing 6, the output shaft of drive motor 2 is connected with shaft coupling 12, one end of shaft coupling 12 is connected with the inside of mechanical seal casing 6, the top of bottom plate 1 is equipped with cooling box 7, cooling box 7 is fixedly covered on mechanical seal casing 6, the side of pump body 3 away from mechanical seal casing 6 is equipped with water inlet pipe 4, the top of pump body 3 is equipped with water outlet pipe 5, one side of water outlet pipe 5 is connected with conveying pipe 8, one end of conveying pipe 8 is connected with the bottom of one side of cooling box 7, the other side top of cooling box 7 is installed with backflow pipe 10, one end of backflow pipe 10 is connected with water inlet pipe 4, the end of conveying pipe 8 close to water outlet pipe 5 is installed with first electromagnetic valve 9, the end of backflow pipe 10 close to water inlet pipe 4 is installed with second electromagnetic valve 11, still include dirt removal and prevent device, dirt removal and prevent device is set up in the inner wall of water outlet pipe 5 and is set up with conveying pipe 8 communication;

[0033] Dirt removal and prevent device includes connecting ring seat 13, connecting ring seat 13 is set up in the inner wall of water outlet pipe 5, connecting ring seat 13 is set up with conveying pipe 8 communication;

[0034] Intercepting mesh cover 14, intercepting mesh cover 14 is set up on connecting ring seat 13, intercepting mesh cover 14 is used to intercept the pollutant in water before the water in water outlet pipe 5 enters conveying pipe 8;Intercepting mesh cover 14 is set up in predetermined shape, intercepting mesh cover 14 protrudes away from connecting ring seat 13 direction, to increase the intercepting area of intercepting mesh cover 14;

[0035] ​The adsorption layer 15 is arranged on the connecting ring base 13 and inside the intercepting net cover 14, and is used for adsorbing the water intercepted by the intercepting net cover 14 to remove the pollutants in the water; the adsorption layer 15 is arranged in a predetermined shape, and protrudes away from the connecting ring base 13, so as to increase the adsorption area of the adsorption layer 15; the adsorption layer 15 is an active carbon fiber layer with adsorption function and acid and alkali resistance function.

[0036] The buffer enhancement area 16 is formed among the connecting ring base 13, the intercepting net cover 14 and the adsorption layer 15, and is used for temporarily buffering the water intercepted by the intercepting net cover 14 to improve the adsorption efficiency of the adsorption layer 15.

[0037] The support net rack 17 is arranged on the connecting ring base 13 and connected with the adsorption layer 15, and is used for supporting the adsorption layer 15.

[0038] The connecting ring base 13 is a nickel-based corrosion-resistant connecting ring base, the intercepting net cover 14 is a nickel-based corrosion-resistant intercepting net cover, and the support net rack 17 is a nickel-based corrosion-resistant support net rack.

[0039] The connecting ring base 13 is detachably arranged on the inner wall of the water outlet pipe 5, and is used for regularly replacing the pollution removing and preventing device, so as to prolong the service life of the fluorine-lined centrifugal pump; the end of the connecting ring base 13 away from the intercepting net cover 14 is fixedly provided with a connecting ring 18, the connecting ring 18 is screw-connected to the inner wall of the water outlet pipe 5, and the connecting ring 18 connects the connecting ring base 13 and the conveying pipe 8; the connecting ring 18 is a nickel-based corrosion-resistant connecting ring.

[0040] A plurality of protruding blocks 19 are arranged on the intercepting net cover 14, and are used for cooperating with hands or tools to facilitate the screw connection of the connecting ring 18 to the inner wall of the water outlet pipe 5; the protruding blocks 19 are nickel-based corrosion-resistant protruding blocks.

[0041] The nickel-based corrosion-resistant alloy has corrosion resistance.

[0042] The working principle of the utility model is as follows: the intercepting net cover 14 is used for intercepting the pollutants in the water in the water outlet pipe 5 before the water enters the conveying pipe 8, the adsorption layer 15 is used for adsorbing the water intercepted by the intercepting net cover 14 to remove the pollutants in the water, the buffer enhancement area 16 is used for temporarily buffering the water intercepted by the intercepting net cover 14 to improve the adsorption efficiency of the adsorption layer 15, and the support net rack 17 is used for supporting the adsorption layer 15.

[0043] The contents not described in detail in the utility model specification all belong to the prior art known by the person skilled in the art. The utility model protects the structure of the product, and the model of each element is not the content protected by the utility model and is the prior art known by the person skilled in the art. As long as the element on the market can realize the above-mentioned functions of the utility model, it can be selected and applied.

[0044] The basic principle and main features of the utility model and the advantages thereof are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed, and the scope of protection of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A fluoropolymer-lined centrifugal pump resistant to strong corrosion, comprising a base plate, a drive motor and a pump body mounted on the top of the base plate, a mechanical seal housing mounted on the pump body, a temperature sensor housed within the mechanical seal housing, a coupling drivingly connecting the output shaft of the drive motor, one end of the coupling being drivingly connected to the interior of the mechanical seal housing, a cooling chamber mounted on the top of the base plate, the cooling chamber being fixedly fitted onto the mechanical seal housing, an inlet pipe mounted on the side of the pump body away from the mechanical seal housing, an outlet pipe mounted on the top of the pump body, a delivery pipe connected to one side of the outlet pipe, one end of the delivery pipe being connected to the bottom of one side of the cooling chamber, a return pipe mounted on the top of the other side of the cooling chamber, one end of the return pipe being connected to the inlet pipe, a first solenoid valve mounted on the end of the delivery pipe near the outlet pipe, and a second solenoid valve mounted on the end of the return pipe near the inlet pipe, characterized in that: The device further comprises a dirt-removing and anti-attachment device arranged on the inner wall of the water outlet pipe and in communication with the conveying pipe; The dirt-removing and anti-attachment device comprises a connecting ring seat arranged on the inner wall of the water outlet pipe and in communication with the conveying pipe; The device further comprises a blocking net cover arranged on the connecting ring seat and used for intercepting dirt in water before the water enters the conveying pipe; The device further comprises an adsorption layer arranged on the connecting ring seat and inside the blocking net cover, and used for adsorbing water after the water is intercepted by the blocking net cover to remove dirt in the water; The device further comprises a buffer and efficiency increasing area formed among the connecting ring seat, the blocking net cover and the adsorption layer, and used for temporarily buffering water after the water is intercepted by the blocking net cover to improve the adsorption efficiency of the adsorption layer; The device further comprises a supporting net frame arranged on the connecting ring seat and in communication with the adsorption layer, and used for supporting the adsorption layer.

2. The fluoropolymer lined centrifugal pump of claim 1, wherein: The connecting ring seat is detachably arranged on the inner wall of the water outlet pipe.

3. The fluoropolymer lined centrifugal pump of claim 2, wherein: The end of the connecting ring seat away from the blocking net cover is fixedly provided with a connecting ring which is screwed on the inner wall of the water outlet pipe and in communication with the connecting ring seat and the conveying pipe.

4. The fluoropolymer lined centrifugal pump of claim 3, wherein: The blocking net cover is provided with a plurality of protruding blocks.

5. The fluoropolymer lined centrifugal pump of claim 1, wherein: The adsorption layer is an activated carbon fiber layer with adsorption function and acid and alkali resistance.

6. The fluoropolymer lined centrifugal pump of claim 1, wherein: The connecting ring seat is a nickel-based corrosion-resistant alloy connecting ring seat, and / or the blocking net cover is a nickel-based corrosion-resistant alloy blocking net cover, and / or the supporting net frame is a nickel-based corrosion-resistant alloy supporting net frame.

7. The fluoropolymer lined centrifugal pump of claim 3, wherein: The connecting ring is a nickel-based corrosion-resistant alloy connecting ring.

8. The fluoropolymer lined centrifugal pump of claim 4, wherein: The protruding blocks are nickel-based corrosion-resistant alloy protruding blocks.

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