Blowdown device for cooling-water machine

Abstract

The utility model discloses a blowdown device for a cooling-water machine, which belongs to the technical field of blowdown of the cooling-water machine and is characterized by comprising a cooling-water machine body, a blowdown pipe is fixedly communicated with the front side of the cooling-water machine body, two valves are arranged at the top of the blowdown pipe, a device body is fixedly communicated with the surface of the blowdown pipe, and a filter screen is arranged in the device body. A cleaning mechanism is arranged in the device body, a cover plate is fixedly connected to the front side of the device body, and a water outlet pipe is arranged on the front side of the cover plate; the problems that in the sewage filtering process of most existing sewage discharging devices for the cooling-water machine, a large amount of dirt is attached to the surface of a filter screen in the sewage discharging device for the cooling-water machine, workers need to frequently disassemble the sewage discharging device for the cooling-water machine, the surface of the filter screen is cleaned, and the cleaning efficiency is high are solved. The blowdown device for the cooling-water machine is frequently disassembled, so that the efficiency is low, and the sealing performance of the blowdown device for the cooling-water machine is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage discharge for water chillers, in particular to a sewage discharge device for water chillers. Background Art

[0002] In the refrigeration industry, there are two types of chillers: air-cooled chillers and water-cooled chillers. According to the compressor, they are divided into screw chillers, scroll chillers, and centrifugal chillers. In terms of temperature control, they are divided into low-temperature industrial chillers and normal temperature chillers. The temperature of normal temperature units is generally controlled within the range of 0 degrees to 35 degrees, and the temperature of low-temperature units is generally controlled at around 0 degrees to -100 degrees. The sewage generated during the operation of the chiller is filtered through the chiller's sewage discharge device and then discharged.

[0003] At present, a Chinese patent with announcement number CN208887416U discloses a sewage discharge device of a chiller and a chiller. The chiller includes a water tank, and the sewage discharge device includes: a sewage outlet, which is arranged on the wall of the water tank; a water quality monitor, which is used to monitor whether the water quality of the water in the water tank meets the preset conditions; a first switch valve, which is arranged at the first sewage outlet; a water replenishment component, which is used to replenish the water tank; and a controller, which is electrically connected to the first switch valve and the water quality monitor. The utility model monitors the changes in water quality in the water tank in real time, and the controller can control the opening or closing of the first switch valve to realize the automatic sewage discharge function, and can improve the water quality of the water in the water tank by replenishing water, thereby ensuring timely sewage discharge and water replenishment of the chiller tank, simple operation, reduced maintenance costs, and greatly improved the operating efficiency of the chiller. The utility model also provides a chiller, including the sewage discharge device of the above-mentioned chiller.

[0004] During the sewage filtering process of most existing chiller sewage discharge devices, a large amount of dirt will adhere to the surface of the internal filter screen of the chiller sewage discharge device, requiring staff to frequently dismantle the chiller sewage discharge device to clean the surface of the filter screen. Frequent dismantling of the chiller sewage discharge device not only has low efficiency, but also causes the sealing performance of the chiller sewage discharge device to decrease. Utility Model Content

[0005] The utility model provides a sewage discharge device for a chiller, aiming to solve the problem that in the process of sewage filtering in most existing sewage discharge devices for chillers, a large amount of dirt will adhere to the surface of the internal filter screen of the sewage discharge device for the chiller, and the staff needs to frequently disassemble the sewage discharge device for the chiller to clean the surface of the filter screen. Frequent disassembly of the sewage discharge device for the chiller not only has low efficiency, but also leads to a decrease in the sealing performance of the sewage discharge device for the chiller.

[0006] The utility model is implemented as follows: a sewage discharge device for a chiller comprises a chiller body, the front side of the chiller body is fixedly connected with a sewage discharge pipe, the top of the sewage discharge pipe is provided with two valves, the surface of the sewage discharge pipe is fixedly connected with a device body, a filter screen is provided inside the device body, a cleaning mechanism is provided inside the device body, a cover plate is fixedly connected to the front side of the device body, and a water outlet pipe is provided on the front side of the cover plate;

[0007] The cleaning mechanism includes a movable plate, a plurality of cleaning brushes and a fixed block, the bottom of the movable plate is fixedly connected to the top of the fixed block, the rear side of the cleaning brush is fixedly connected to the front side of the fixed block, and the front side of the cleaning brush contacts the surface of the filter.

[0008] In order to facilitate the rotation of the auxiliary brush, as a preferred sewage discharge device for a chiller of the utility model, auxiliary brushes are provided on both sides of the bottom cleaning brush, a hinge is provided on the top of the auxiliary brush, and the connection between the cleaning brush and the auxiliary brush is rotatably connected by the hinge.

[0009] In order to facilitate the movement of the auxiliary brush, as a preferred sewage discharge device for a chiller of the utility model, two rotating columns are provided at the bottom of the auxiliary brush, and the top of the rotating column extends to the inside of the auxiliary brush and is rotatably connected to the inside of the auxiliary brush.

[0010] In order to achieve the effect of driving the movable plate to move, as a preferred sewage discharge device for a chiller of the utility model, the top of the device body is fixedly connected with an electric telescopic column, and the bottom of the electric telescopic column extends to the interior of the device body and is fixedly connected to the top of the movable plate.

[0011] In order to achieve the effect of sealing the electric telescopic column, as a preferred sewage discharge device for a chiller of the utility model, a first sealing gasket is fixedly connected to the surface of the electric telescopic column, and the surface of the first sealing gasket is fixedly connected to the inside of the device body.

[0012] In order to achieve the cleaning effect of the cleaning brush, as a preferred sewage discharge device for a chiller of the utility model, the bottom of the device body is fixedly connected with a cleaning pipe, and the front side of the inner wall of the cleaning pipe is fixedly connected with two scrapers.

[0013] In order to achieve the effect of limiting the movable plate, as a preferred sewage discharge device for a chiller of the utility model, the bottom of the inner wall of the cleaning pipe is fixedly connected to two telescopic frames, and the top of the telescopic frame is fixedly connected to the bottom of the movable plate.

[0014] In order to achieve the effect of sealing the water outlet pipe, as a preferred sewage discharge device for a chiller of the utility model, two second sealing gaskets are fixedly connected to the surface of the water outlet pipe, and the surface of the second sealing gaskets is in close contact with the inner wall of the cover plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The sewage discharge device for the chiller is to close the sewage pipe by turning the valve, and then fix the cleaning liquid with the water outlet pipe, so that the cleaning liquid can move to the inside of the device body through the water outlet pipe, so as to flush the front side of the filter screen, and the movable plate drives the fixed block to move inside the device body, so that the fixed block drives the cleaning brush to move, so that the front side of the cleaning brush can contact the rear side of the filter screen, thereby facilitating the cleaning of the rear side of the filter screen and avoiding excessive dirt accumulation on the surface of the filter screen. The problem is solved that in the process of sewage filtering by most existing sewage discharge devices for chillers, a large amount of dirt will adhere to the surface of the filter screen inside the sewage discharge device for the chiller, and the staff needs to frequently disassemble the sewage discharge device for the chiller to clean the surface of the filter screen. Frequent disassembly of the sewage discharge device for the chiller is not only inefficient, but also leads to a decrease in the sealing performance of the sewage discharge device for the chiller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the sewage discharge device for the chiller of the utility model;

[0018] Figure 2 It is a three-dimensional connection diagram of the device body and the cleaning tube in the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional connection between the movable plate and the electric telescopic column in the utility model;

[0020] Figure 4 It is a three-dimensional connection schematic diagram of the cleaning mechanism in the utility model;

[0021] Figure 5 For this utility model Figure 4 A partial enlarged view of point A in the middle.

[0022] In the figure, 1. chiller body; 2. device body; 3. auxiliary brush; 4. cover plate; 5. drain pipe; 6. valve; 7. cleaning pipe; 8. telescopic frame; 9. electric telescopic column; 10. filter screen; 11. second sealing gasket; 12. rotating column; 13. water outlet pipe; 14. hinge; 15. cleaning mechanism; 1501. moving plate; 1502. cleaning brush; 1503. fixed block; 16. first sealing gasket; 17. scraper. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a sewage discharge device for a chiller, comprising a chiller body 1, a sewage discharge pipe 5 is fixedly connected to the front side of the chiller body 1, two valves 6 are arranged on the top of the sewage discharge pipe 5, a device body 2 is fixedly connected to the surface of the sewage discharge pipe 5, a filter screen 10 is arranged inside the device body 2, a cleaning mechanism 15 is arranged inside the device body 2, a cover plate 4 is fixedly connected to the front side of the device body 2, and a water outlet pipe 13 is arranged on the front side of the cover plate 4;

[0026] The cleaning mechanism 15 includes a movable plate 1501, a plurality of cleaning brushes 1502 and a fixed block 1503. The bottom of the movable plate 1501 is fixedly connected to the top of the fixed block 1503, the rear side of the cleaning brush 1502 is fixedly connected to the front side of the fixed block 1503, and the front side of the cleaning brush 1502 contacts the surface of the filter 10.

[0027] In this embodiment: the drain pipe 5 is closed by rotating the valve 6, and then the cleaning liquid is fixedly connected to the water outlet pipe 13, so that it can move to the interior of the device body 2 through the water outlet pipe 13, thereby flushing the front side of the filter 10, and the movable plate 1501 drives the fixed block 1503 to move inside the device body 2, so that the fixed block 1503 drives the cleaning brush 1502 to move, so that the front side of the cleaning brush 1502 is in contact with the rear side of the filter 10, thereby facilitating the cleaning of the rear side of the filter 10 and avoiding excessive dirt accumulation on the surface of the filter 10.

[0028] As a technical optimization solution of the utility model, auxiliary brushes 3 are provided on both sides of the bottom cleaning brush 1502, hinges 14 are provided on the top of the auxiliary brush 3, and the connection between the cleaning brush 1502 and the auxiliary brush 3 is rotatably connected through the hinge 14.

[0029] In this embodiment, by rotatably connecting the cleaning brush 1502 and the auxiliary brush 3 via the hinge 14, the auxiliary brush 3 can be rotated inside the device body 2 via the hinge 14, thereby facilitating the rotation of the auxiliary brush 3.

[0030] As a technical optimization solution of the present invention, two rotating columns 12 are provided at the bottom of the auxiliary brush 3 , and the tops of the rotating columns 12 extend to the inside of the auxiliary brush 3 and are rotatably connected to the inside of the auxiliary brush 3 .

[0031] In this embodiment, by making the surface of the rotating column 12 rotatably connected with the inside of the auxiliary brush 3, the auxiliary brush 3 can be moved inside the cleaning tube 7 through the rotating column 12, thereby achieving the effect of facilitating the movement of the auxiliary brush 3.

[0032] As a technical optimization solution of the present invention, an electric telescopic column 9 is fixedly connected to the top of the device body 2 , and the bottom of the electric telescopic column 9 extends to the inside of the device body 2 and is fixedly connected to the top of the movable plate 1501 .

[0033] In this embodiment, by fixing the bottom of the electric telescopic column 9 with the top of the moving plate 1501 , the moving plate 1501 can be driven to move, thereby achieving the effect of driving the moving plate 1501 to move.

[0034] As a technical optimization solution of the present utility model, a first sealing gasket 16 is fixedly connected to the surface of the electric telescopic column 9 , and the surface of the first sealing gasket 16 is fixedly connected to the inside of the device body 2 .

[0035] In this embodiment, by fixing the inside of the first sealing gasket 16 to the surface of the electric telescopic column 9 , the first sealing gasket 16 can seal the electric telescopic column 9 , thereby achieving the effect of sealing the electric telescopic column 9 .

[0036] As a technical optimization solution of the utility model, a cleaning pipe 7 is fixedly connected to the bottom of the device body 2, and two scrapers 17 are fixedly connected to the front side of the inner wall of the cleaning pipe 7.

[0037] In this embodiment: by fixing the front side of the scraper 17 to the front side of the inner wall of the cleaning tube 7, the scraper 17 can clean the cleaning brush 1502, thereby achieving the effect of cleaning the cleaning brush 1502.

[0038] As a technical optimization solution of the utility model, two telescopic frames 8 are fixedly connected to the bottom of the inner wall of the cleaning tube 7, and the top of the telescopic frame 8 is fixedly connected to the bottom of the movable plate 1501.

[0039] In this embodiment, by fixing the top of the telescopic frame 8 to the bottom of the movable plate 1501 , the movable plate 1501 can be limited by the telescopic frame 8 when moving, thereby achieving the effect of limiting the movable plate 1501 .

[0040] As a technical optimization solution of the utility model, two second sealing pads 11 are fixedly connected to the surface of the water outlet pipe 13 , and the surfaces of the second sealing pads 11 are in close contact with the inner wall of the cover plate 4 .

[0041] In this embodiment, by making the surface of the second sealing gasket 11 in close contact with the inner wall of the cover plate 4 , the second sealing gasket 11 can seal the water outlet pipe 13 , thereby achieving the effect of sealing the water outlet pipe 13 .

[0042] Working principle: First, turn the valve 6 to close the sewage pipe 5, so that the cleaning liquid is fixedly connected to the outlet pipe 13, and moves to the inside of the device body 2 through the outlet pipe 13, so as to flush the front side of the filter 10, so that the electric telescopic column 9 drives the moving plate 1501 to move inside the device body 2, and the telescopic frame 8 is limited when the moving plate 1501 moves, so that the moving plate 1501 drives the fixed block 1503 to move, so that the fixed block 1503 drives the cleaning brush 1502 to clean the back side of the filter 10, and the auxiliary brush 3 can be driven to clean the back side of the filter 10, so as to avoid excessive dirt accumulation on the surface of the filter 10, and make the dirt flow out through the cleaning pipe 7, so as to facilitate the cleaning of the filter 10. 0 cleaning effect, then the movable plate 1501 is moved to the inside of the cleaning pipe 7 through the fixed block 1503, the auxiliary brush 3 is rotated and properly positioned through the hinge 14, and the auxiliary brush 3 is moved inside the cleaning pipe 7 through the rotating column 12, so that the scraper 17 cleans the cleaning brush 1502 and the auxiliary, which solves the problem that in the process of sewage filtration of most existing chiller sewage discharge devices, a large amount of dirt will be attached to the surface of the filter screen 10 inside the chiller sewage discharge device, and the staff needs to frequently disassemble the chiller sewage discharge device to clean the surface of the filter screen 10. Frequent disassembly of the chiller sewage discharge device is not only inefficient, but also leads to a decrease in the sealing performance of the chiller sewage discharge device.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sewage discharge device for a chiller, comprising a chiller body (1), characterized in that: The front side of the chiller body (1) is fixedly connected to a drain pipe (5), the top of the drain pipe (5) is provided with two valves (6), the surface of the drain pipe (5) is fixedly connected to the device body (2), a filter screen (10) is provided inside the device body (2), a cleaning mechanism (15) is provided inside the device body (2), the front side of the device body (2) is fixedly connected to a cover plate (4), and the front side of the cover plate (4) is provided with a water outlet pipe (13); The cleaning mechanism (15) comprises a movable plate (1501), a plurality of cleaning brushes (1502) and a fixed block (1503); the bottom of the movable plate (1501) is fixedly connected to the top of the fixed block (1503); the rear side of the cleaning brush (1502) is fixedly connected to the front side of the fixed block (1503); and the front side of the cleaning brush (1502) is in contact with the surface of the filter screen (10).

2. A sewage discharge device for a chiller according to claim 1, characterized in that: Auxiliary brushes (3) are arranged on both sides of the bottom cleaning brush (1502), and hinges (14) are arranged on the tops of the auxiliary brushes (3). The connection between the cleaning brush (1502) and the auxiliary brush (3) is rotatably connected via the hinges (14).

3. A sewage discharge device for a chiller according to claim 2, characterized in that: Two rotating columns (12) are arranged at the bottom of the auxiliary brush (3), and the top of the rotating column (12) extends to the inside of the auxiliary brush (3) and is rotatably connected to the inside of the auxiliary brush (3).

4. A sewage discharge device for a chiller according to claim 1, characterized in that: An electric telescopic column (9) is fixedly connected to the top of the device body (2), and the bottom of the electric telescopic column (9) extends into the interior of the device body (2) and is fixedly connected to the top of the movable plate (1501).

5. A sewage discharge device for a chiller according to claim 4, characterized in that: A first sealing gasket (16) is fixedly connected to the surface of the electric telescopic column (9), and the surface of the first sealing gasket (16) is fixedly connected to the inside of the device body (2).

6. A sewage discharge device for a chiller according to claim 1, characterized in that: The bottom of the device body (2) is fixedly connected to a cleaning pipe (7), and the front side of the inner wall of the cleaning pipe (7) is fixedly connected to two scrapers (17).

7. A sewage discharge device for a chiller according to claim 6, characterized in that: Two telescopic frames (8) are fixedly connected to the bottom of the inner wall of the cleaning tube (7), and the top of the telescopic frame (8) is fixedly connected to the bottom of the movable plate (1501).

8. The sewage discharge device for a chiller according to claim 1, characterized in that: Two second sealing pads (11) are fixedly connected to the surface of the water outlet pipe (13), and the surface of the second sealing pads (11) is in close contact with the inner wall of the cover plate (4).

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