A cooling tower sewage recovery device

Abstract

The utility model relates to the technical field of cooling towers, and discloses a sewage recovery device for a cooling tower, comprising a recovery box, a connecting pipe is arranged on the top of the recovery box, and a filter box is fixedly connected to the top of the connecting pipe; a filter screen is arranged inside the filter box, a sewage outlet is opened on the right side of the filter box, a sealing door is arranged inside the sewage outlet, a booster pump is arranged on the left side of the recovery box, a water pipe is arranged at the end of the booster pump away from the recovery box, and the end of the water pipe away from the booster pump penetrates into the filter box and is fixedly connected to a water spray head. The sewage recovery device for a cooling tower enters the filter box through the water pipe and is sprayed by a spray head. The water sprayed by the spray head is sprayed toward the filter screen, helping to clean and flush the impurities on the filter screen, so that the impurities are flushed out from the sewage outlet, and then there is no need to disassemble the filter screen for cleaning, which saves time and effort.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling towers, in particular to a sewage recovery device for a cooling tower. Background Art

[0002] A cooling tower is a device that uses water as a circulating coolant to absorb heat from a system and discharge it into the atmosphere to lower the water temperature. Its working principle is to use the heat exchange between water and air flow to generate steam, which evaporates and takes away the heat to achieve evaporative heat dissipation, convection heat transfer and radiation heat transfer to dissipate the waste heat generated in industry or refrigeration and air conditioning to ensure the normal operation of the system.

[0003] A cooling tower anti-pollution and sewage discharge device provided in the Chinese utility model patent application disclosure specification CN 215627261 U includes a filter box, a filter tank, a first filtering structure, a flocculant adding structure and a stirring structure, the top of the filter box is connected to a cooling water inlet pipe, the top of the filter box is provided with a working door, the bottom of the filter box is connected to a first sewage discharge pipe, the two sides of the filter box are respectively connected to a clean water inlet pipe and a first cooling water outlet pipe, the top of the filter tank is connected to the first sewage discharge pipe and the first cooling water outlet pipe, the bottom of the filter tank is provided with a second sewage discharge pipe, one side of the filter tank is connected to a second cooling water outlet pipe near the bottom thereof, and the second cooling water outlet pipe is connected to the return pipe of the cooling tower. The utility model can perform better double cooling water filtration treatment, improve the filtration treatment effect, has high practicality, and saves time and effort in subsequent sewage discharge, and has high efficiency.

[0004] However, the above-mentioned prior art requires taking out the intercepting filter plate for cleaning, which is rather cumbersome. Therefore, a cooling tower sewage recovery device is urgently needed. Utility Model Content

[0005] The utility model aims to provide a cooling tower sewage recovery device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a cooling tower sewage recovery device, comprising a recovery box, a connecting pipe is arranged on the top of the recovery box, and a filter box is fixedly connected to the top of the connecting pipe;

[0007] A filter screen is arranged inside the filter box, a sewage outlet is opened on the right side of the filter box, a sealing door is arranged inside the sewage outlet, a booster pump is arranged on the left side of the recovery box, a water pipe is arranged at one end of the booster pump away from the recovery box, and one end of the water pipe away from the booster pump penetrates into the filter box and is fixedly connected to a water spray head.

[0008] Preferably, the filter screen plate is obliquely arranged in the filter box, and a water inlet pipe is arranged on the top of the filter box.

[0009] The recovery box is used to recycle the liquid after filtration, and the filter box is used to filter the sewage discharged from the cooling tower. The sewage is discharged from the water inlet pipe on the top of the filter box and enters the filter box. A filter screen is provided inside the filter box to filter the sewage flowing into the recovery box and remove impurities and solid particles therein.

[0010] Preferably, a drain pipe is provided on the right side of the recovery box, and a valve is provided on the drain pipe.

[0011] Preferably, an observation window is provided on the front of the filter box, and the observation window is made of transparent glass.

[0012] A transparent glass observation window is provided on the front of the filter box to facilitate observation of the interior of the filter box and the filter screen plate.

[0013] Preferably, a motor is fixedly connected to the front of the filter box, a bidirectional screw rod is arranged inside the filter box, and scrapers are respectively threadedly connected to the surfaces of the forward and reverse threads of the bidirectional screw rod.

[0014] Preferably, the front side of the bidirectional screw rod movably penetrates the filter box and is fixedly connected to the motor, and the back side of the bidirectional screw rod is movably connected to the rear inner wall of the filter box.

[0015] A motor is arranged on the front of the filter box, and the motor drives the bidirectional screw to rotate, so that the scraper moves inward or outward at the same time, so that the scraper scrapes the filter screen to prevent the filter screen from being blocked and enhance the filtering efficiency.

[0016] Preferably, a limiting rod is fixedly connected to the interior of the filter box, and two limiting blocks are slidably sleeved on the surface of the limiting rod, and the bottoms of the two limiting blocks are fixedly connected to the scraper respectively.

[0017] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0018] First, according to the utility model, when the filter screen needs to be cleaned, the sealing door of the sewage outlet is opened, and the booster on the left side of the recovery box is started to pump out the water inside the recovery box, and the water enters the filter box through the water guide pipe and is sprayed out by the nozzle. The water sprayed by the nozzle is sprayed toward the filter screen plate to help clean and flush the impurities on the filter screen plate, so that the impurities are flushed out from the sewage outlet, and then the filter screen plate does not need to be disassembled for cleaning, which saves time and effort.

[0019] Second, in the utility model, a motor is arranged on the front side of the filter box, and the motor drives the bidirectional screw to rotate, so that the scraper moves inward or outward at the same time, so that the scraper scrapes the filter screen to prevent the filter screen from being blocked and enhance the filtering efficiency. A limit rod is arranged in the filter box, and two limit blocks are provided on the sliding sleeve of the outer surface of the limit rod. The bottoms of the two limit blocks are respectively fixedly connected to the scraper, so that the scraper can move stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from the right side;

[0022] Figure 3 This is a schematic diagram of the front cutaway structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the cutaway three-dimensional structure of the right side of the filter box of the utility model.

[0024] Among them: 1. Recovery box; 2. Connecting pipe; 3. Filter box; 31. Filter screen; 32. Sealing door; 11. Booster pump; 12. Water guide pipe; 13. Sprinkler head; 33. Water inlet pipe; 14. Drain pipe; 34. Motor; 35. Bidirectional screw rod; 36. Scraper; 37. Limit rod; 38. Limit block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A cooling tower sewage recovery device comprises a recovery box 1, a connecting pipe 2 is arranged on the top of the recovery box 1, and a filter box 3 is fixedly connected to the top of the connecting pipe 2;

[0029] A filter screen 31 is provided inside the filter box 3, a sewage outlet is opened on the right side of the filter box 3, a sealing door 32 is provided in the sewage outlet, a booster pump 11 is provided on the left side of the recovery box 1, a water pipe 12 is provided at one end of the booster pump 11 away from the recovery box 1, and one end of the water pipe 12 away from the booster pump 11 passes through the filter box 3 and is fixedly connected to a sprinkler head 13.

[0030] The filter screen plate 31 is tiltedly arranged in the filter box 3 , and a water inlet pipe 33 is arranged on the top of the filter box 3 .

[0031] A drain pipe 14 is provided on the right side of the recovery box 1 , and a valve is provided on the drain pipe 14 .

[0032] An observation window is provided on the front of the filter box 3, and the observation window is in the shape of transparent glass.

[0033] Through the above technical scheme, the recovery box 1 is used to recover the liquid after filtration, and the filter box 3 is used to filter the sewage discharged from the cooling tower. The sewage is discharged from the water inlet pipe 33 on the top of the filter box 3 and enters the filter box 3. The filter box 3 is provided with a filter screen plate 31 inside to filter the sewage flowing in from the recovery box 1 and remove impurities and solid particles therein. When the filter screen needs to be cleaned, the sealing door 32 of the sewage outlet is opened, and the booster on the left side of the recovery box 1 is started to pump out the water inside the recovery box 1, and the water enters the filter box 3 through the water guide pipe 12 and is sprayed out by the nozzle. The water sprayed by the nozzle is sprayed to the filter screen plate 31, which helps to clean and flush the impurities on the filter screen plate 31, so that the impurities are flushed out from the sewage outlet, and then there is no need to disassemble the filter screen plate 31 for cleaning, which saves time and effort. A transparent glass observation window is provided on the front of the filter box 3 to facilitate observation of the inside of the filter box 3 and the filter screen plate 31.

[0034] Embodiment 2

[0035] See also Figure 4 On the basis of the first embodiment, it is further obtained that: a motor 34 is fixedly connected to the front of the filter box 3, a bidirectional screw rod 35 is arranged inside the filter box 3, and a scraper 36 is threadedly connected to the surface of the bidirectional screw rod 35 on both the positive and negative threads.

[0036] The front side of the bidirectional screw rod 35 movably penetrates the filter box 3 and is fixedly connected to the motor 34 , and the back side of the bidirectional screw rod 35 is movably connected to the rear inner wall of the filter box 3 .

[0037] A limiting rod 37 is fixedly connected inside the filter box 3 , and two limiting blocks 38 are slidably sleeved on the surface of the limiting rod 37 . The bottoms of the two limiting blocks 38 are fixedly connected to the scraper 36 .

[0038] Through the above technical solution, a motor 34 is arranged on the front of the filter box 3, and the motor 34 drives the bidirectional screw 35 to rotate, so that the scraper 36 moves inward or outward at the same time, so that the scraper 36 scrapes the filter screen 31 to prevent the filter screen 31 from being blocked and enhance the filtering efficiency. The limit rod 37 arranged in the filter box 3 has two limit blocks 38 slidingly sleeved on the outer surface of the limit rod 37, and the bottoms of the two limit blocks 38 are respectively fixedly connected to the scraper 36, so that the scraper 36 can move stably.

[0039] In actual operation, when the device is in use, sewage is discharged from the water inlet pipe 33 at the top of the filter box 3 and enters the filter box 3. A filter screen 31 is arranged inside the filter box 3 to filter the sewage flowing in from the recovery box 1 and remove impurities and solid particles therein. When the filter screen needs to be cleaned, the sealing door 32 of the sewage outlet is opened, and the booster on the left side of the recovery box 1 is started to pump out the water inside the recovery box 1 and enter the filter box 3 through the water guide pipe 12 and is sprayed out by the nozzle. The water sprayed by the nozzle is sprayed toward the filter screen 31 to help clean and flush the impurities on the filter screen 31, so that the impurities are flushed out from the sewage outlet, and then there is no need to disassemble the filter screen 31 for cleaning, which saves time and effort.

[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A cooling tower wastewater recovery device, comprising a recovery box (1), characterized in that: A connecting pipe (2) is provided on the top of the recovery box (1), and a filter box (3) is fixedly connected to the top of the connecting pipe (2); A filter screen (31) is arranged inside the filter box (3), a sewage outlet is opened on the right side of the filter box (3), a sealing door (32) is arranged inside the sewage outlet, a booster pump (11) is arranged on the left side of the recovery box (1), a water pipe (12) is arranged at one end of the booster pump (11) away from the recovery box (1), and one end of the water pipe (12) away from the booster pump (11) penetrates into the filter box (3) and is fixedly connected to a water spray head (13).

2. A cooling tower wastewater recovery device according to claim 1, characterized in that: The filter screen plate (31) is arranged obliquely in the filter box (3), and a water inlet pipe (33) is arranged on the top of the filter box (3).

3. A cooling tower wastewater recovery device according to claim 1, characterized in that: A drainage pipe (14) is arranged on the right side of the recovery box (1), and a valve is arranged on the drainage pipe (14).

4. A cooling tower wastewater recovery device according to claim 1, characterized in that: The front of the filter box (3) is provided with an observation window, which is in the shape of transparent glass.

5. A cooling tower wastewater recovery device according to claim 1, characterized in that: A motor (34) is fixedly connected to the front of the filter box (3), a bidirectional screw rod (35) is arranged inside the filter box (3), and scrapers (36) are respectively threadedly connected to the surfaces of the bidirectional screw rod (35) with forward and reverse threads.

6. A cooling tower wastewater recovery device according to claim 5, characterized in that: The front side of the bidirectional screw rod (35) movably penetrates the filter box (3) and is fixedly connected to the motor (34), and the back side of the bidirectional screw rod (35) is movably connected to the rear inner wall of the filter box (3).

7. A cooling tower wastewater recovery device according to claim 5, characterized in that: A limiting rod (37) is fixedly connected inside the filter box (3), and two limiting blocks (38) are slidably sleeved on the surface of the limiting rod (37), and the bottoms of the two limiting blocks (38) are fixedly connected to the scraper (36) respectively.

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