Circulating water overpressure drainage device

Abstract

The utility model discloses a circulating water overpressure drainage device, which relates to the technical field of drainage and comprises two main pipelines and a pressure release valve, connecting pipes are fixedly mounted on the outer sides of the two main pipelines, and a pressure detection valve is arranged between the two connecting pipes. Connecting structures are arranged on the two sides of the two main pipelines and the two sides of the pressure release valve and the two sides of the two connecting pipes and the two sides of the pressure detection valve correspondingly, each connecting structure comprises a first flange and a second flange, a gear ring is rotationally installed on one side of each first flange, and four gears are rotationally installed on one side of each first flange. The four connecting columns drive the four circular plates to move along with the four connecting columns, the pressing effect on the first flange and the second flange is canceled, then the shifting columns are shifted to move the four connecting columns from the four arc-shaped grooves to the positions of the four circular grooves, the first flange and the second flange can be separated, operation is easy and convenient, and the using effect of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drainage technical field, concretely is a kind of circulating water overpressure drainage device. BACKGROUND

[0002] Circulating water overpressure drainage device is used in industrial silicon production process, and the equipment for processing overpressure water in circulating water system, the main function of this device is to safely and effectively discharge the overpressure water in system, to ensure the normal operation of circulating water system and the safety of equipment.

[0003] The existing circulating water overpressure drainage device usually utilizes pressure relief valve to reduce the pressure of furnace platform drainage to ensure the safety of equipment, after using for a period of time, the inside of pressure relief valve can be stuck with certain incrustation, if not disassembling and cleaning pressure relief valve, it can make its safety pressure smaller or cannot be closed, lead to pressure relief valve cannot normally work and affect the normal use of device, and pressure relief valve is usually installed by multiple bolts and flanges, when disassembling and assembling, it is more troublesome, and the effect of use is not very good. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of circulating water overpressure drainage device, to solve the problem that the inside of pressure relief valve can be stuck with certain incrustation after using for a period of time in prior art, if not disassembling and cleaning pressure relief valve, it can make its safety pressure smaller or cannot be closed, lead to pressure relief valve cannot normally work and affect the normal use of device, and pressure relief valve is usually installed by multiple bolts and flanges, when disassembling and assembling, it is more troublesome, and the effect of use is not very good.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of circulating water overpressure drainage device, including two main pipes and pressure relief valve, the outside of two main pipes is fixedly installed with connecting pipe, pressure detection valve is arranged between two connecting pipes, the two sides of two main pipes and pressure relief valve are provided with the two sides of two connecting pipes and pressure detection valve with connection structure, the connection structure includes first flange and second flange, the side of first flange is rotatably installed with gear ring, the side of first flange is rotatably installed with four gears, gear ring is meshed with four gears, the inside of first flange is rotatably installed with four screw rods, the one end of four screw rods is all penetrated first flange and is respectively fixedly connected with four gears, the outside of four screw rods is all screw-connected with square block, the side of four square blocks is all fixedly installed with connecting column, the one end of four connecting columns is all fixedly installed with round plate, pressure detection valve can effectively detect the pressure of pipeline to open and close operation, can reduce the frequency of manual intervention and inspection, reduce the maintenance cost of system.

[0006] Preferably, two of the first flanges are fixedly installed at one end of the two main pipes, and the other two first flanges are fixedly installed at one end of the two connecting pipes, two of the second flanges are fixedly installed at two ends of the pressure relief valve, and the other two second flanges are fixedly installed at two ends of the pressure detection valve, and sealing pads are arranged between the first flanges and the second flanges, so that the first flanges and the second flanges are pressed tightly to effectively seal the pipes and prevent leakage.

[0007] Preferably, four square grooves are formed in one side of the first flange, four square blocks are arranged in the four square grooves and are in sliding contact with the first flange, the square grooves formed in the first flange can effectively limit the movement of the square blocks, and the square blocks can move without rotating with the screw rod when the screw rod rotates.

[0008] Preferably, a worm wheel is fixedly installed on one side of one of the gears, two fixing seats are fixedly installed on one side of the first flange, a worm is rotatably installed between the two fixing seats, and a handle is fixedly installed at one end of the worm and penetrates one of the fixing seats, and the worm wheel and the worm are meshed and connected.

[0009] Preferably, a rotating disc is rotatably installed on one side of the second flange, a pushing column is fixedly installed on one side of the rotating disc, four circular grooves are formed in the rotating disc, arc-shaped grooves are formed on the outer sides of the four circular grooves, the four circular grooves are matched with four circular plates in size, and the four arc-shaped grooves are adaptively matched with four connecting columns.

[0010] Preferably, circular recesses are formed on the outer sides of the four arc-shaped grooves on one side of the rotating disc, and the four circular plates are matched with the four circular recesses in size, so that the circular plates can be clamped into the inner side of the rotating disc, and the connection between the circular plates and the rotating disc is more stable.

[0011] Preferably, four circular grooves are formed in one side of the second flange, the four circular plates are matched with the four circular grooves in size, and the sizes of the four circular plates are greater than those of the four square blocks.

[0012] Compared with the prior art, the application has the following beneficial effects:

[0013] 1、The four connecting columns drive the four circular plates to move, the pressing effect of the first flange and the second flange is cancelled, the four connecting columns are moved from the four arc-shaped grooves to the positions of the four circular grooves by pushing the pushing column, and the first flange and the second flange are separated, so that the operation is simple and convenient, and the use effect of the device is improved.

[0014] 2、The application installs the pressure detection valve in the water discharge bypass, that is, in parallel with the two main pipes, as long as the water supply pressure upstream of the pressure detection valve is lower than the set value, the pressure detection valve is in the closed state, when the water supply pressure upstream of the pressure detection valve exceeds the set value, the pressure detection valve is opened, and water is supplied downstream of the pressure detection valve, so that the water supply pressure upstream of the pressure detection valve will not exceed the standard to cause damage to the pipeline, and the reliability of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the circulating water overpressure drainage device.

[0016] Figure 2 It is a connection structure schematic view of the circulating water overpressure drainage device.

[0017] Figure 3 It is a rear view of the connection structure of the circulating water overpressure drainage device.

[0018] Figure 4 It is a first flange sectional view of the circulating water overpressure drainage device.

[0019] Figure 5 It is a second flange schematic view of the circulating water overpressure drainage device.

[0020] Reference numerals in the drawing: 1, main pipe; 2, pressure relief valve; 3, connecting pipe; 4, pressure detection valve; 5, first flange; 6, second flange; 7, gear ring; 8, gear; 9, screw rod; 10, square block; 11, connecting column; 12, round plate; 13, worm wheel; 14, fixed seat; 15, worm; 16, handle; 17, turntable; 18, push column; 19, circular groove; 20, arc-shaped groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment: as Figure 1 - Figure 5The utility model provides a kind of circulating water overpressure drainage device's technical scheme, including two main pipes 1 and pressure relief valve 2, the outside of two main pipes 1 is fixedly installed with connecting pipe 3, pressure detection valve 4 is arranged between two connecting pipes 3, the two sides of two main pipes 1 and pressure relief valve 2 are with the two sides of two connecting pipes 3 and pressure detection valve 4 are all provided with connecting structure, connecting structure includes first flange 5 and second flange 6, one side of first flange 5 is rotatably installed with gear ring 7, one side of first flange 5 is rotatably installed with four gear wheels 8, gear ring 7 is meshed with four gear wheels 8, the inside of first flange 5 is rotatably installed with four screw rods 9, one end of four screw rods 9 is all through first flange 5 and is respectively fixedly connected with four gear wheels 8, the outside of four screw rods 9 is all screw-connected with square block 10, one side of four square blocks 10 is all fixedly installed with connecting column 11, one end of four connecting columns 11 is all fixedly installed with round plate 12.

[0023] Among them, two first flanges 5 are respectively fixedly installed at one end of two main pipes 1, and other two first flanges 5 are respectively fixedly installed at one end of two connecting pipes 3, wherein two second flanges 6 are respectively fixedly installed at two ends of pressure relief valve 2, and other two second flanges 6 are respectively fixedly installed at two ends of pressure detection valve 4.

[0024] One side of first flange 5 is provided with four square sliding grooves, and four square blocks 10 are respectively arranged in the four square sliding grooves and in sliding contact with first flange 5.

[0025] One side of one of the gear wheels 8 is fixedly installed with a worm wheel 13, one side of the first flange 5 is fixedly installed with two fixed seats 14, the two fixed seats 14 are rotatably installed with a worm gear 15, one end of the worm gear 15 penetrates through one of the fixed seats 14 and is fixedly installed with a rotating handle 16, and the worm wheel 13 and the worm gear 15 are meshed.

[0026] One side of the second flange 6 is rotatably installed with a rotating disc 17, one side of the rotating disc 17 is fixedly installed with a pushing column 18, the rotating disc 17 is provided with four circular grooves 19, the outer sides of the four circular grooves 19 are formed with arc grooves 20, the four circular grooves 19 are respectively matched in size with the four round plates 12, and the four arc grooves 20 are respectively adaptively matched with the four connecting columns 11.

[0027] One side of the rotating disc 17 is located outside the four arc grooves 20 and is formed with a circular recess, and the four round plates 12 are respectively matched in size with the four circular recesses.

[0028] One side of the second flange 6 is provided with four circular sliding grooves, the four round plates 12 are respectively matched in size with the four circular sliding grooves, and the size of the four round plates 12 is greater than the size of the four square blocks 10.

[0029] It needs to be explained that the utility model discloses a circulating water overpressure drainage device, when using, installs pressure detection valve 4 in the water release bypass, namely installs in parallel with two main pipes 1, only if the water supply pressure of pressure detection valve 4 upstream is below the set value, pressure detection valve 4 is in the closed state, when the water supply pressure of pressure detection valve 4 upstream exceeds the set value, pressure detection valve 4 will open, and water is supplied to the downstream of pressure detection valve 4, thereby guaranteeing that the water supply pressure of pressure detection valve 4 upstream will not be overproof to cause the damage of pipeline pressure, and the reliability of device use is guaranteed;

[0030] When the device is used for a period of time, and the internal scale of pressure relief valve 2 and pressure detection valve 4 needs to be cleaned, four knobs 16 are rotated respectively, and knob 16 drives worm 15 to rotate, thereby driving worm wheel 13 to mesh and rotate, to drive one gear 8 to rotate, thereby driving gear ring 7 to mesh and rotate, to drive the meshing of the other three gears 8, so that four screw rods 9 rotate, thereby driving four square blocks 10 to move, and four connecting columns 11 drive four circular plates 12 to move, cancel the pressing effect of first flange 5 and second flange 6, and then knob 18 is actuated to move four connecting columns 11 from four arc-shaped grooves 20 to the positions of four circular grooves 19, so that first flange 5 and second flange 6 are separated, and the use effect of the device is improved, the internal scale can be cleaned after disassembly, and after cleaning, first flange 5 and second flange 6 are combined, then knob 18 is actuated to rotate rotating disc 17, four connecting columns 11 are moved from the positions of four circular grooves 19 to the positions of four arc-shaped grooves 20, and then knob 16 is reversely rotated to press and fix first flange 5 and second flange 6.

[0031] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A circulating water overpressure drainage device, characterized by: The utility model provides a pressure relief valve, it includes two main pipe (1) and pressure relief valve (2), and the outside of two main pipe (1) is fixedly installed with connecting pipe (3), be provided with pressure detection valve (4) between two connecting pipe (3), and the two sides of two main pipe (1) and pressure relief valve (2) are provided with connecting structure with two connecting pipe (3) and the two sides of pressure detection valve (4), the connecting structure includes first flange (5) and second flange (6), one side of first flange (5) is rotatably installed with gear ring (7), one side of first flange (5) is rotatably installed with four gear (8), gear ring (7) is connected with four gear (8) meshingly, the inside of first flange (5) is rotatably installed with four screw rod (9), one end of four screw rod (9) is all penetrated first flange (5) and is connected with four gear (8) respectively fixedly, the outside of four screw rod (9) is all connected with square block (10) threadedly, one side of four square block (10) is all fixedly installed with connecting column (11), one end of four connecting column (11) is all fixedly installed with round plate (12).

2. The circulating water overpressure drainage device according to claim 1, characterized in that: Wherein two first flange (5) are fixedly installed at one end of two main pipe (1) respectively, and other two first flange (5) are fixedly installed at one end of two connecting pipe (3) respectively, wherein two second flange (6) are fixedly installed at both ends of pressure relief valve (2) respectively, and other two second flange (6) are fixedly installed at both ends of pressure detection valve (4) respectively.

3. The circulating water overpressure drainage device according to claim 1, characterized in that: One side of first flange (5) is provided with four square sliding slots, and four square blocks (10) are arranged in the four square sliding slots and are in sliding contact with the first flange (5).

4. The circulating water overpressure drainage device according to claim 1, characterized in that: One side of one of the gear (8) is fixedly installed with a worm wheel (13), one side of the first flange (5) is fixedly installed with two fixed seats (14), two fixed seats (14) are rotatably installed with a worm (15) between them, one end of the worm (15) is fixedly installed with a handle (16) penetrating one of the fixed seats (14), and the worm wheel (13) and the worm (15) are meshingly connected.

5. The circulating water overpressure drainage device according to claim 1, characterized in that: One side of the second flange (6) is rotatably installed with a rotating disc (17), one side of the rotating disc (17) is fixedly installed with a pushing column (18), the rotating disc (17) is provided with four circular grooves (19), the outer sides of the four circular grooves (19) are formed with arc grooves (20), the four circular grooves (19) are respectively matched in size with the four round plates (12), and the four arc grooves (20) are respectively adaptively matched with the four connecting columns (11).

6. A recirculating water overpressure drain according to claim 5, characterized in that: One side of the rotating disc (17) is located outside the four arc grooves (20) and is formed with a circular recess, and the four round plates (12) are respectively matched in size with the four circular recesses.

7. The circulating water overpressure drainage device according to claim 1, characterized in that: One side of the second flange (6) is provided with four circular sliding slots, four round plates (12) are respectively matched in size with the four circular sliding slots, and the sizes of the four round plates (12) are greater than the sizes of the four square blocks (10).

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