Closed cooling tower for cooling sewage

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a closed cooling tower for cooling sewage, which comprises a bottom plate, a cooling tower and a sewage tank, and cooling mechanisms are arranged in the cooling tower and the sewage tank. High-temperature sewage is pumped into the U-shaped pipe through the first pump machine, cooling water can directly cool the high-temperature sewage due to the fact that the bottom of the U-shaped pipe is immersed in the cooling water, meanwhile, the cooling water is pumped into the spraying pipe through the second pump machine and sprayed out through the multiple spraying heads, and the high-temperature sewage can be secondarily cooled through the cooling water sprayed out of the spraying heads; a motor is started to rotate a hollow pipe, the hollow pipe drives an annular pipe to rotate to stir high-temperature sewage, so that the high-temperature sewage can flow, cooling water is continuously input into the annular pipe by the hollow pipe, and the high-temperature sewage can be uniformly cooled by the cooling water; the cooling speed of high-temperature sewage can be greatly increased through multiple times of cooling, and the sewage treatment efficiency is improved.

Description

Technical Field

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

[0002] With the vigorous development of modern industry, a large amount of industrial wastewater is often generated, which causes great damage to the environment. Therefore, the more environmentally friendly way is to recycle it after treatment. However, the temperature of the sewage is relatively high after treatment. How to cool down the high-temperature water and reuse it is a technical problem that needs to be solved.

[0003] A Chinese patent provides a sewage heat dissipation and cooling device, with publication number CN219265085U, comprising a box body, wherein the front end and the rear end of the box body are respectively provided with a water inlet and a water outlet, wherein a filtering area and a heat dissipation and cooling area are provided inside the box body, wherein a first heat conducting pipe and a second heat conducting pipe are symmetrically provided on both sides of the heat dissipation and cooling area, and fans are fixedly connected to the outer surfaces of the rotating shafts inside the two groups of the first heat conducting pipes, the second heat conducting pipes and the third heat conducting pipes.

[0004] The above device uses a high-speed rotating fan to blow strong wind to the heat pipe, thereby dissipating heat and cooling the high-temperature sewage. However, cooling the high-temperature sewage only by air cooling takes too long and the cooling efficiency is low. Therefore, it is necessary to provide a closed cooling tower for sewage cooling. Utility Model Content

[0005] The utility model aims to provide a closed cooling tower for sewage cooling. By starting a motor to rotate the hollow tube, the hollow tube drives the annular tube to rotate to stir the high-temperature sewage, so that the high-temperature sewage can flow. The hollow tube continuously inputs cooling water into the annular tube, so that the cooling water can evenly cool the high-temperature sewage. Multiple cooling can greatly accelerate the cooling speed of the high-temperature sewage and improve the sewage treatment efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a closed cooling tower for sewage cooling, comprising a bottom plate, a cooling tower and a sewage tank, wherein a cooling mechanism is arranged in the cooling tower and the sewage tank; the cooling mechanism comprises a U-shaped tube, a spray pipe and two hollow tubes, wherein the water inlet and the water outlet of the U-shaped tube both pass through the cooling tower, the spray pipe is arranged in the cooling tower, a plurality of spray heads are connected to the spray pipe, a dehydrator is arranged above the spray pipe, the dehydrator is fixedly arranged in the cooling tower, and the exhaust port of the cooling tower A fixed bracket is arranged inside, a fan is arranged on the fixed bracket, a dust filter is arranged above the fan, and the dust filter is arranged in the exhaust port of the cooling tower; the cooling mechanism also includes a motor, the hollow tube is rotatably arranged in the sewage tank, the two hollow tubes are connected with an annular tube, the two annular tubes are connected with a connecting tube, the two hollow tubes are rotatably penetrate the sewage tank, a driven gear is fixedly sleeved on the upper end of the hollow tube, and a driving gear meshing with the driven gear is arranged on the output shaft of the motor.

[0007] Preferably, the cooling tower is connected with a water injection pipe and a drainage pipe, a water collecting tank is arranged in the cooling tower, a first liquid level observation window is opened on the cooling tower, and a cooler is arranged in the water collecting tank.

[0008] Preferably, a first pump is provided on the sewage tank, a water inlet of the first pump is connected to the sewage tank, a water outlet of the first pump is connected to a first shunt pipe, and a water inlet end of the U-shaped pipe is connected to the first shunt pipe;

[0009] Preferably, a transmission pipe is provided on the sewage tank, the transmission pipe is connected to a second diversion pipe, and the water outlet end of the U-shaped pipe is connected to the second diversion pipe.

[0010] Preferably, a second pump is fixedly arranged on the bottom plate, a water inlet of the second pump is connected to the water collecting tank, and a water outlet of the second pump is connected to the spray pipe.

[0011] Preferably, a third pump is fixedly arranged on the bottom plate, a water inlet of the third pump is connected to the water collecting tank, and a water outlet of the third pump is connected to the hollow pipe.

[0012] Preferably, a return pipe is provided between the cooling tower and the sewage tank, one end of the return pipe is connected to the cooling tower, and the other end of the return pipe is connected to the hollow pipe;

[0013] Preferably, a fixing frame is fixedly provided on the sewage tank, and the motor is arranged on the fixing frame.

[0014] Preferably, a sewage pipe and a sewage discharge pipe are provided on the sewage tank, a second liquid level observation window is provided on the sewage tank, and a support rod is fixedly provided between the sewage tank and the bottom plate.

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

[0016] 1) The closed cooling tower for sewage cooling uses a first pump to pump high-temperature sewage into a first diversion pipe. After diversion, the high-temperature sewage is input into three U-shaped tubes. Since the bottom of the U-shaped tube is immersed in cooling water, the cooling water can directly cool the high-temperature sewage. At the same time, the second pump pumps cooling water into the spray pipe and sprays it out through multiple spray heads. When the high-temperature sewage flows to the upper end of the U-shaped tube, the cold water sprayed by the spray head can perform secondary cooling on the high-temperature sewage. The fan can extract the water vapor generated by the contact between the cooling water and the high temperature upward, and the dehydrator can dehumidify the water vapor, so that the discharged gas is dry gas, thereby improving the environmental protection during cooling.

[0017] 2) The closed cooling tower used for sewage cooling starts the motor to drive the driven gear to rotate, the driven gear drives the hollow tube to rotate, the hollow tube drives the annular tube to rotate, the annular tube rotates in the sewage tank to stir the high-temperature sewage, so that the high-temperature sewage can flow, the hollow tube continuously inputs cooling water into the annular tube, and the cooling water can evenly cool the high-temperature sewage. Multiple cooling can greatly speed up the cooling speed of the high-temperature sewage and improve the sewage treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a closed cooling tower for sewage cooling in the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of a closed cooling tower for sewage cooling according to the utility model;

[0020] Figure 3 It is a cross-sectional structural schematic diagram of a cooling tower in an embodiment of the utility model;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of a sewage tank in an embodiment of the utility model.

[0022] In the figure: 1, bottom plate; 2, cooling tower; 21, water injection pipe; 22, drainage pipe; 23, first liquid level observation window; 24, water collecting tank; 25, cooler; 3, sewage tank; 31, sewage pipe; 32, sewage pipe; 33, support rod; 34, second liquid level observation window; 4, cooling mechanism; 401, first pump; 402, first shunt pipe; 403, U-shaped pipe; 404, second shunt pipe; 405, transmission pipe; 406, second pump; 407, Suction pipe; 408, delivery pipe; 409, spray pipe; 410, spray head; 411, dehydrator; 412, fixed bracket; 413, fan; 414, dust filter; 415, hollow pipe; 416, annular pipe; 417, connecting pipe; 418, return pipe; 419, first rotary joint; 420, third pump; 421, second rotary joint; 422, driven gear; 423, fixed bracket; 424, motor; 425, driving gear. DETAILED DESCRIPTION

[0023] 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. Embodiment 1

[0024] Combination Figure 1-Figure 4 A closed cooling tower for sewage cooling comprises a bottom plate 1, a cooling tower 2 and a sewage tank 3, a water injection pipe 21 and a drainage pipe 22 are respectively connected to the cooling tower 2, a water collecting tank 24 is arranged in the cooling tower 2, a first liquid level observation window 23 is provided on the cooling tower 2, a cooler 25 is fixedly arranged in the water collecting tank 24, a sewage pipe 31 and a sewage pipe 32 are respectively connected to one end of the sewage tank 3, a second liquid level observation window 34 is provided on the sewage tank 3, a support rod 33 is fixedly arranged between the sewage tank 3 and the bottom plate 1, and a cooling mechanism 4 is arranged in the cooling tower 2 and the sewage tank 3.

[0025] See also Figure 2 and Figure 3, it is further obtained that the cooling mechanism 4 includes a U-shaped tube 403, a spray pipe 409 and two hollow tubes 415, the water inlet and outlet ends of the U-shaped tube 403 both penetrate the cooling tower 2, the spray pipe 409 is fixedly arranged in the cooling tower 2, and a plurality of spray heads 410 are connected and arranged on the spray pipe 409, a dehydrator 411 is arranged above the spray pipe 409, and the dehydrator 411 is fixedly arranged in the cooling tower 2, a fixed bracket 412 is fixedly arranged in the exhaust port of the cooling tower 2, a fan 413 is fixedly arranged on the fixed bracket 412, a dust filter 414 is arranged above the fan 413, and the dust filter 414 is fixedly arranged in the exhaust port of the cooling tower 2; a first pump 401 is fixedly arranged at one end of the sewage tank 3, and a first The water inlet end of the pump 401 passes through the sewage tank 3, the water outlet end of the first pump 401 is fixedly connected with the first diversion pipe 402, the water inlet end of the U-shaped tube 403 is connected with the first diversion pipe 402, one end of the sewage tank 3 is connected with a transmission pipe 405, the transmission pipe 405 is fixedly connected with a second diversion pipe 404, the water outlet end of the U-shaped tube 403 is connected with the second diversion pipe 404, the second pump 406 is fixedly arranged on the bottom plate 1, the water inlet of the second pump 406 is connected with a pumping pipe 407, the pumping pipe 407 passes through the cooling tower 2 and extends into the water collecting tank 24, the water outlet of the second pump 406 is connected with a delivery pipe 408, the delivery pipe 408 passes through the cooling tower 2 and is connected with the spray pipe 409.

[0026] Specifically, the high-temperature sewage is stored in the sewage tank 3 through the sewage pipe 31, and cooling water is injected into the water collection tank 24 in the cooling tower 2 through the water injection pipe 21. The injection amount of the cooling water is controlled through the first liquid level observation window 23 until the cooling water is stored in the middle of the U-shaped tube 403. The cooler 25 arranged in the water collection tank 24 can keep the cooling water at a cooling temperature. The high-temperature sewage is pumped into the first diversion pipe 402 through the first pump 401. After diversion, the high-temperature sewage is input into the three U-shaped tubes 403. Since the bottom of the U-shaped tube 403 is immersed in the cooling In the water, the cooling water can directly cool down the high-temperature sewage. At the same time, the second pump 406 pumps the cooling water into the spray pipe 409 and sprays it out through multiple spray heads 410. When the high-temperature sewage flows to the upper end of the U-shaped tube 403, the cold water sprayed by the spray head 410 can perform secondary cooling on the high-temperature sewage. The fan 413 can draw the water vapor generated by the contact between the cooling water and the high temperature upward. When the water vapor passes through the dehydrator 411, the dehydrator 411 can dehumidify the water vapor, so that the discharged gas is dry gas, thereby improving the environmental protection during cooling. Embodiment 2

[0027] See also Figure 2 and Figure 4, it is further obtained that the cooling mechanism 4 also includes a motor 424, a hollow tube 415 is rotatably arranged in the sewage tank 3, an annular tube 416 is connected to the two hollow tubes 415, a connecting tube 417 is connected between the two annular tubes 416, and the two hollow tubes 415 are rotatably penetrated through the sewage tank 3, a driven gear 422 is fixedly sleeved on the upper hollow tube 415, and a driving gear 425 meshingly connected with the driven gear 422 is arranged on the output shaft of the motor 424; a fixed arrangement is arranged on the bottom plate 1 There is a third pump 420, the water inlet pipe of the third pump 420 passes through the cooling tower 2 and extends into the water collecting tank 24, the water outlet pipe of the third pump 420 is connected to the lower hollow pipe 415 with a second rotary joint 421, the end of the cooling tower 2 close to the sewage tank 3 is connected to a return pipe 418, the return pipe 418 is connected to the upper hollow pipe 415 with a first rotary joint 419, and a fixing frame 423 is fixed on the sewage tank 3, and the fixing frame 423 is fixedly connected to the motor 424.

[0028] Specifically, the high-temperature sewage after the second cooling is transported back to the sewage tank 3 through the U-shaped tube 403, the third pump 420 pumps the cooling water in the water collection tank 24 into the hollow tube 415, and the motor 424 is started to make the driving gear 425 drive the driven gear 422 to rotate, the driven gear 422 drives the hollow tube 415 to rotate, and the hollow tube 415 drives the annular tube 416 to rotate. The annular tube 416 rotates in the sewage tank 3 to stir the high-temperature sewage, so that the high-temperature sewage can flow, and the hollow tube 415 continuously inputs cooling water into the annular tube 416, so that the cooling water can evenly cool the high-temperature sewage. The three coolings can greatly speed up the cooling speed of the high-temperature sewage and improve the sewage treatment efficiency. The cooling water flowing in the hollow tube 415 is transported back to the collecting tank 24 through the reflux pipe 418, so that the cooling water can be kept at a low temperature while circulating the cooling water to continuously cool the high-temperature sewage.

[0029] 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 of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A closed cooling tower for sewage cooling, comprising a base plate (1), a cooling tower (2) and a sewage tank (3), characterized in that: A cooling mechanism (4) is provided in the cooling tower (2) and the sewage tank (3); The cooling mechanism (4) comprises a U-shaped tube (403), a spray pipe (409) and two hollow tubes (415); the water inlet and the water outlet of the U-shaped tube (403) both pass through the cooling tower (2); the spray pipe (409) is arranged in the cooling tower (2); the spray pipe (409) is connected to a plurality of spray heads (410); a dehydrator (411) is arranged above the spray pipe (409); the dehydrator (411) is fixedly arranged in the cooling tower (2); a fixed bracket (412) is arranged in the exhaust port of the cooling tower (2); a fan (413) is arranged on the fixed bracket (412); a dust filter (414) is arranged above the fan (413); the dust filter (414) is arranged in the exhaust port of the cooling tower (2); The cooling mechanism (4) further comprises a motor (424); the hollow tube (415) is rotatably arranged in the sewage tank (3); the two hollow tubes (415) are both connected to an annular tube (416); a connecting tube (417) is connected between the two annular tubes (416); the two hollow tubes (415) are rotatably penetrate the sewage tank (3); a driven gear (422) is fixedly sleeved on the upper end of the hollow tube (415); and a driving gear (425) meshingly connected to the driven gear (422) is arranged on the output shaft of the motor (424).

2. A closed cooling tower for sewage cooling according to claim 1, characterized in that: The cooling tower (2) is connected to a water injection pipe (21) and a drainage pipe (22), a water collecting tank (24) is provided in the cooling tower (2), a first liquid level observation window (23) is provided in the cooling tower (2), and a cooler (25) is provided in the water collecting tank (24).

3. A closed cooling tower for sewage cooling according to claim 1, characterized in that: The sewage tank (3) is provided with a first pump (401), the water inlet of the first pump (401) is connected to the sewage tank (3), the water outlet of the first pump (401) is connected to a first diversion pipe (402), and the water inlet end of the U-shaped pipe (403) is connected to the first diversion pipe (402); The sewage tank (3) is provided with a transmission pipe (405), the transmission pipe (405) is connected to a second diversion pipe (404), and the water outlet end of the U-shaped pipe (403) is connected to the second diversion pipe (404).

4. A closed cooling tower for sewage cooling according to claim 1, characterized in that: A second pump (406) is fixedly arranged on the bottom plate (1); a water inlet of the second pump (406) is connected to the water collecting tank (24); and a water outlet of the second pump (406) is connected to the spray pipe (409).

5. A closed cooling tower for sewage cooling according to claim 1, characterized in that: A third pump (420) is fixedly arranged on the bottom plate (1); a water inlet of the third pump (420) is connected to the water collecting tank (24); and a water outlet of the third pump (420) is connected to the hollow pipe (415).

6. A closed cooling tower for sewage cooling according to claim 1, characterized in that: A return pipe (418) is provided between the cooling tower (2) and the sewage tank (3), one end of the return pipe (418) being in communication with the cooling tower (2), and the other end of the return pipe (418) being in communication with the hollow pipe (415); A fixing frame (423) is fixedly arranged on the sewage tank (3), and the motor (424) is arranged on the fixing frame (423).

7. A closed cooling tower for sewage cooling according to claim 1, characterized in that: The sewage tank (3) is provided with a sewage pipe (31) and a sewage discharge pipe (32), the sewage tank (3) is provided with a second liquid level observation window (34), and a support rod (33) is fixedly provided between the sewage tank (3) and the bottom plate (1).

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