CN214407058U

CN214407058U - Mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower

Info

Publication number: CN214407058U
Application number: CN202120236818.9U
Authority: CN
Inventors: 俞斌; 吴浪洲; 王明勇; 曾华; 姜晓荣
Original assignee: Changzhou Jintan Plastics Works
Current assignee: Changzhou Jintan Plastics Works
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-10-15
Anticipated expiration: 2031-01-27

Abstract

The utility model provides a mechanical draft high-order water receiving energy-saving noise reduction cooling tower, includes cooling tower body, guide duct, fan, supporting leg, motor, fan platform, receives water tank hanging beam, distribution pipe, upper hose, receives water tank jib, trickle filler, splash device, receives water tank gallows, receives water swash plate, splashproof ware and receives the basin. The invention has the beneficial effects that: receive the basin upside and be provided with the breakwater, be convenient for prevent that the cooling water droplet from splashing to the receipts basin outside, the cooling tower body has cancelled the catch basin of conventional cooling tower bottom, and adopt the catch basin to replace, be convenient for prevent that the ground is soaked in the infiltration, it is provided with a plurality of to receive the basin, make the cooling water pass through behind the trickle filler, be received away by the water collecting device promptly, it inhales the sound hole to be provided with a plurality of on the splatter, be convenient for adsorb the noise that this cooling tower during operation fell into water and produce, the surface of receipts water swash plate is provided with the guiding gutter, and all be provided with a receipts water swash plate on every receipts basin, be convenient for cut off the water droplet that the trickle filler fell and collect.

Description

Mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower

Technical Field

The utility model relates to a cooling tower device of power plant belongs to cooling tower technical field of power plant.

Background

The cooling tower of the thermal power station appears in 19 th century, is an indelible device of the thermal power station, and an energy-saving cooling tower is required to be arranged in the thermal power station. At present, in a thermal power plant, cooling towers which are prepared for use are natural ventilation cooling towers which comprise cooling tower bodies, underground water collecting tanks, water distribution devices and water spraying devices, and the working principle of the cooling towers is that the heat of circulating hot water is utilized to enable the air density difference to be generated inside and outside the cooling towers, and the air density difference is smaller than that outside the towers, so that cold air outside the towers continuously enters the towers from air inlets and rises to be discharged from air outlets at the tops of the towers, the heat of the circulating hot water is taken away in the process, and the cooling purpose is achieved.

In the conventional natural ventilation cooling tower, due to the influence of wind speed and the energy dissipation effect of a water pool, kinetic energy generated when water flow passing through a filler freely falls (namely, a rain area) to a water collecting pool is completely lost, and simultaneously, great noise is generated.

The working principle of the existing natural draft cooling tower is as follows: circulating water carrying waste heat is pressurized and conveyed into a pressure water distribution ditch of the tower core of the cooling tower by a circulating water pump, then is sprayed downwards or upwards by a nozzle on a water distribution branch pipe, the circulating water is directly contacted with cold air flowing from the bottom to the top on the surface of a water spraying filler diaphragm to exchange heat so as to reduce the water temperature, the cooled circulating water flows downwards out of the filler and then splashes into an underground water collecting tank, and then is circularly cooled by the circulating water pump.

The existing cooling tower has the defects of higher noise, high energy consumption and too high net lift of the equipped circulating water pump in the cooling process, so that the power consumption is increased, and the energy conservation is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mechanical draft high-order water receiving energy-saving noise-reducing cooling tower in order to solve the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a mechanical ventilation high-position water-collecting energy-saving noise-reducing cooling tower comprises a cooling tower body, an air guide cylinder, a fan, supporting legs, a motor, a fan platform, a water-collecting tank hanging beam, a water distribution pipe, a water feeding pipe, a water-collecting tank hanging rod, water spraying filler, a spraying device, a water-collecting tank, a water-collecting inclined plate, a splash guard, a water baffle, a water-collecting tank hanging bracket, an upper hanging beam and a high-position water collecting tank; the cooling tower body, the air duct, the water collecting tank and the high-level water collecting tank form a main body structure of the cooling tower; a high-level water collecting tank is arranged on one side of the cooling tower body, the height of an upper opening of the high-level water collecting tank is higher than that of an upper opening of a water collecting tank, and all the water collecting tanks are communicated with the high-level water collecting tank; the bottom of the cooling tower body is fixedly provided with a supporting leg, the upper end of the cooling tower body is fixedly provided with an air duct, and a fan is fixedly arranged in the air duct; the fan is fixedly connected with a motor through a connecting shaft, the motor is fixedly arranged on one side of the air guide cylinder, the lower end of the air guide cylinder is fixedly connected with a fan platform, and the fan is fixedly arranged on the upper surface of the fan platform; a water collecting tank hanging beam is fixedly arranged in the cooling tower body and positioned on the lower side of the fan platform, a water distribution pipe is fixedly arranged below the water collecting tank hanging beam, one side of the water distribution pipe extends to the outer side of the cooling tower body and is fixedly connected with a water feeding pipe, and a splashing device is fixedly arranged on the lower side of the water distribution pipe; the lower side of the water distribution pipe is provided with a water spraying filler fixedly connected to the inner side of the cooling tower body, a water collecting groove hanging rod is fixedly arranged on the water collecting groove hanging beam, the lower end of the water collecting groove hanging rod penetrates through the water spraying filler and is fixedly connected with a water collecting groove hanging frame, an upper hanging beam is fixedly arranged on the upper portion of the water collecting groove hanging frame, a water collecting groove is fixedly arranged on the lower portion of the water collecting groove hanging frame, a water collecting inclined plate is fixedly connected to one side of the upper end of the water collecting groove, the upper end of the water collecting inclined plate is connected with the upper hanging beam below the water spraying filler, and a splash guard is fixedly mounted on the upper surface of the water collecting inclined plate.

Preferably, in order to prevent cooling water from splashing to the outer side of the water collecting tank and improve water collecting efficiency, a water collecting inclined plate is arranged on the upper side of the water collecting tank, and two ends of the water collecting inclined plate are connected with the upper hanging beam below the water collecting tank and the water spraying filler respectively.

Preferably, in order to prevent water seepage and soak the foundation, the safety of the tower body of the cooling tower is improved, the lift of the circulating water pump is reduced, a high-level water collecting tank is arranged on the cooling tower body, the height of the high-level water collecting tank corresponds to that of the water collecting tank, and all the water collecting tanks are communicated with the high-level water collecting tank; the high-level water collecting tank is used for replacing a water collecting tank at the bottom of a conventional cooling tower of the cooling tower body, and the energy-saving effect is very obvious.

Preferentially, in order to make the cooling water pass through the trickle filler after, receive the water installation promptly and receive away, do not form rain zone on a large scale, the windage reduces greatly, not only improves the intake of cooling tower, and cold wind can arrive the tower core region smoothly moreover, and it is also more even to distribute the wind, it is provided with a plurality of to receive the basin, and receives the basin setting in the bottom of trickle filler.

Preferably, in order to facilitate the absorption of noise generated during the operation of the cooling tower, the splash guard has a noise reduction function, and a plurality of sound absorption holes are formed in the splash guard.

Preferably, in order to facilitate the collection of damming the water droplet that the trickle filler fell, the drop reduces, greatly reduced by the pollution that the impact of whereabouts water droplet caused, the surface of receiving the water swash plate is provided with the guiding gutter, and all is provided with a water swash plate on every water collecting gutter.

The utility model has the advantages that:

the mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower has reasonable design, adopts mechanical forced overhead air suction to ensure the stability of cooling air quantity, realizes the superposition effect of natural ventilation and mechanical ventilation, greatly improves the cooling efficiency and the stability of cooling performance, is provided with the water-collecting inclined plate at the upper side of the water-collecting groove, and the two ends of the water-collecting inclined plate are respectively connected with the water-collecting groove and the upper hanging beam below the water-spraying filler, so as to prevent cooling water from splashing to the outer side of the water-collecting groove, improve the water-collecting efficiency and reduce the water falling noise, the cooling tower body cancels the water collecting tank at the bottom of the conventional cooling tower, adopts the high-level water collecting tank to replace the existing low-level water collecting tank, the height of the high-level water collecting tank is equal to the height of the water-collecting tank, thus being convenient for preventing water seepage and soaking a tower body, improving the safety of the cooling tower, and greatly reducing the lift of a circulating cooling water pump, receive the basin and be provided with a plurality of, and receive the basin setting in the bottom that the trickle packed, make the cooling water pass through behind the trickle packed, receive the water installation promptly and receive away, do not form rain district on a large scale, the windage reduces greatly, not only improve the intake of cooling tower, and cold wind can arrive the tower core region smoothly, it is also more even to distribute the wind, be provided with a plurality of on the splashproof and inhale the sound hole, be convenient for adsorb the noise that this cooling tower during operation produced, the function of making an uproar has, the surface of receiving the water swash plate is provided with the guiding gutter, and all be provided with a on every receives the basin and receive the water swash plate, be convenient for cut off the water droplet that the trickle packed fell and collect, the drop reduces, greatly reduced the pollution that is strikeed and causes by the water droplet of falling.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of the top view structure of the present invention.

In the figure: 1-cooling tower body; 2-an air duct; 3, a fan; 4-supporting legs; 5, a motor; 6-a fan platform; 7-collecting the water tank hanging beam; 8-water distribution pipe; 9-water feeding pipe; 10-a water collecting tank suspender; 11-water spraying filler; 12-a sputtering device; 13-a water collecting tank; 14-water collecting sloping plate; 15-a splash guard; 16-a water baffle; 17-collecting the water tank hanging bracket; 18-hanging the beam; 19-high water collecting tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower comprises a cooling tower body 1, an air duct 2, a fan 3, support legs 4, a motor 5, a fan platform 6, a water-collecting tank hanging beam 7, a water distribution pipe 8, a water supply pipe 9, a water-collecting tank hanging rod 10, a water spraying filler 11, a spraying device 12, a water-collecting tank 13, a water-collecting inclined plate 14, a splash guard 15, a water baffle 16, a water-collecting tank hanging frame 17, an upper hanging beam 18 and a high-level water collecting tank 19;

the bottom of the cooling tower body 1 is fixedly provided with a supporting leg 4, the upper end of the cooling tower body 1 is fixedly provided with an air duct 2, and the inside of the air duct 2 is fixedly provided with a fan 3; the fan 3 is fixedly connected with a motor 5 through a connecting shaft, the motor 5 is fixedly arranged on one side of the air guide cylinder 2, the lower end of the air guide cylinder 2 is fixedly connected with a fan platform 6, and the fan 3 is fixedly arranged on the upper surface of the fan platform 6; a water collecting tank hanging beam 7 is fixedly arranged in the cooling tower body 1 and positioned on the lower side of the fan platform 6, a water distribution pipe 8 is fixedly arranged below the water collecting tank hanging beam 7, one side of the water distribution pipe 8 extends to the outer side of the cooling tower body 1 and is fixedly connected with a water feeding pipe 9, and a splashing device 12 is fixedly arranged on the lower side of the water distribution pipe 8; the downside of water distribution pipe 8 is provided with the trickle filler 11 of rigid coupling on cooling tower body 1 inboard, it receives basin jib 10 to fixedly be provided with on the basin hanging beam 7 to receive, the lower extreme of receiving basin jib 10 passes trickle filler 11 and rigid coupling has a basin gallows 17 of receiving, the fixed roof beam 18 of hanging, the fixed basin 13 of receiving that is provided with in lower part of the upper portion of receiving basin gallows 17, the upper end one side fixedly connected with of receiving basin 13 receives the water swash plate 14, the upper end of receiving the water swash plate 14 is connected with the last roof beam 18 of hanging below the trickle filler 11, and receives the water swash plate 14 upper surface fixed mounting and have splash guard 15.

The upper side of the water collecting tank 13 is provided with a water collecting inclined plate, two ends of the water collecting inclined plate are respectively connected with the water collecting tank 13 and an upper hanging beam below the water spraying filler 11, cooling water drops are prevented from splashing to the outer side of the water collecting tank 13 conveniently, water collecting efficiency is improved, a high-level water collecting tank 19 is arranged on one side of the cooling tower body 1, the height of an upper opening of the high-level water collecting tank 19 is higher than that of the upper opening of the water collecting tank 13, and all the water collecting tanks 13 are communicated with the high-level water collecting tank 19; the cooling tower body 1 cancels a water collecting tank at the bottom of a conventional cooling tower and adopts a high-level water collecting tank 19 for replacement, thereby being convenient for preventing water seepage and soaking a foundation, improving the safety of a tower body of the cooling tower and reducing the lift of a circulating water pump, the water collecting tanks 13 are provided with a plurality of water collecting tanks 13, the water collecting tanks 13 are arranged at the bottom of the water spraying filler 11, cooling water is collected by a water collecting device after passing through the water spraying filler 11, no large-range rain area is formed, the wind resistance is greatly reduced, not only the air intake of the cooling tower is improved, but also cold air can smoothly reach a tower core area, the air distribution is more uniform, the splash guard 15 is provided with a plurality of sound absorbing holes, thereby being convenient for absorbing noise generated during the operation of the cooling tower and having the function of noise reduction, the surface of the water collecting inclined plate 14 is provided with a flow guide tank, and each water collecting inclined plate 14 is provided with a water collecting inclined plate, the water drops falling from the trickle packing 11 are convenient to intercept and collect, the fall is reduced, and the pollution caused by the impact of the falling water drops is greatly reduced.

The working principle is as follows: the mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower mainly comprises a structural framework and a water circulation system, wherein the water pump sends circulating water into a water distribution pipe 8 through a water feeding pipe 9, the circulating water is scattered by a spraying device 12 and is sprayed on a water spraying filler 11, water drops are sprayed on a water collecting inclined plate 14 and a splash guard 15 after passing through the water spraying filler 11 and enter a water pool of the water pump after converging in a water collecting tank 13 to form a circulation system, when the water passes through the water spraying filler 11 to form a water film and simultaneously exchanges heat with cold air entering from the bottom of a cooling tower, the cooling water drops into the water collecting tank 13 at the bottom to be continuously recycled, when the evaporation of the circulating water into the air reaches a certain degree, the water molecules are not evaporated when the air on a water vapor contact surface reaches saturation along with the increase of the humidity of the air, at the moment, a motor 5 is turned on to enable a fan 3 to operate and then discharge the air, so as to achieve the cooling purpose.

Taking 10 conventional large-scale mechanical draft cooling tower groups as an example, the power of a circulating cooling water pump prepared by a single machine is 500KW, and if the high-level water collecting cooling tower prepared by the equipment provided by the scheme is adopted, the lift of the circulating cooling water pump can be reduced by 20%. According to the power formula of the circulating cooling water pumps, the power saving of a single circulating cooling water pump is 100KW, and the power saving of 10 pumps is 1000 KW.

Aiming at the values of different unit operation times and different electricity prices of the embodiment, the calculation result of the scheme which can save the operation cost is as follows:

the water collecting equipment is added, so that the engineering investment is increased by 10-15%. If the conventional large mechanical ventilation cooling tower group is built according to the prior technical scheme, the initial estimation of the cost of each unit is about 80 ten thousand yuan, and the total cost of 10 units is about 800 ten thousand yuan.

If the unit operates for 7000h every year and the electricity price is the cost of 0.25 yuan/(KW.h), the cost of only saving the operating electricity fee every year can reach 175 ten thousand yuan, and about 120/175 is 0.69 years, so that the increased cost of the water collecting equipment can be recovered.

The service life of the water collecting equipment is calculated according to 20 years, the electricity charge can be saved after the water collecting equipment is operated for 20 years, the cost price is as high as 20 multiplied by 175 to 3500 ten thousand yuan, the internet price is as high as 20 multiplied by 315 to 6300 ten thousand yuan, and the economic benefit is very considerable.

The noise reduction effect adopts the conventional noise value of the cooling tower to be 85dB, and by adopting the scheme, the noise value of the cooling tower is less than or equal to 72dB, and the noise reduction effect exceeds the expectation of people.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mechanical draft high-order water receiving cooling tower of making an uproar that falls which characterized in that: the device comprises a cooling tower body (1), an air duct (2), a fan (3), supporting legs (4), a motor (5), a fan platform (6), a water receiving tank hanging beam (7), a water distribution pipe (8), an upper water pipe (9), a water receiving tank hanging rod (10), a water spraying filler (11), a splashing device (12), a water receiving tank (13), a water receiving inclined plate (14), a splash guard (15), a water baffle (16), a water receiving tank hanging bracket (17), an upper hanging beam (18) and a high-level water collecting tank (19); the cooling tower body (1), the air duct (2), the water collecting tank (13) and the high-level water collecting tank (19) form a main body structure of the cooling tower; a high-level water collecting tank (19) is arranged on one side of the cooling tower body (1), the height of the upper opening of the high-level water collecting tank (19) is higher than that of the upper opening of the water collecting tank (13), and all the water collecting tanks (13) are communicated with the high-level water collecting tank (19); the bottom of the cooling tower body (1) is fixedly provided with a supporting leg (4), the upper end of the cooling tower body (1) is fixedly provided with an air duct (2), and a fan (3) is fixedly arranged in the air duct (2); the fan (3) is fixedly connected with a motor (5) through a connecting shaft, the motor (5) is fixedly arranged on one side of the air guide cylinder (2), the lower end of the air guide cylinder (2) is fixedly connected with a fan platform (6), and the fan (3) is fixedly arranged on the upper surface of the fan platform (6); a water receiving groove hanging beam (7) is fixedly arranged in the cooling tower body (1) and positioned at the lower side of the fan platform (6), a water distribution pipe (8) is fixedly arranged below the water receiving groove hanging beam (7), one side of the water distribution pipe (8) extends to the outer side of the cooling tower body (1) and is fixedly connected with a water feeding pipe (9), and a spraying device (12) is fixedly arranged at the lower side of the water distribution pipe (8); the lower side of the water distribution pipe (8) is provided with a water spraying filler (11) fixedly connected to the inner side of the cooling tower body (1), a water collecting groove hanging rod (10) is fixedly arranged on the water collecting groove hanging beam (7), the lower end of the water collecting groove hanging rod (10) penetrates through the water spraying filler (11) and is fixedly connected with a water collecting groove hanging frame (17), an upper hanging beam (18) is fixedly arranged on the upper portion of the water collecting groove hanging frame (17), a water collecting groove (13) is fixedly arranged on the lower portion of the upper portion of the water collecting groove hanging frame (17), a water collecting inclined plate (14) is fixedly connected to one side of the upper end of the water collecting inclined plate (13), the upper end of the water collecting inclined plate (14) is connected with the upper hanging beam (18) below the water spraying filler (11), and a splash guard (15) is fixedly mounted on the upper surface of the water collecting inclined plate (14).

2. The mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower as claimed in claim 1, wherein: the upper side of the water collecting tank (13) is provided with a water collecting inclined plate, and two ends of the water collecting inclined plate (14) are respectively connected with an upper hanging beam (18) below the water collecting tank (13) and the water spraying filler (11).

3. The mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower as claimed in claim 2, characterized in that: the water collecting tanks (13) are arranged in a plurality, and the water collecting tanks (13) are arranged at the bottoms of the water spraying fillers (11).

4. The mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower as claimed in claim 1, wherein: and the splash guard (15) is provided with a plurality of sound absorbing holes.

5. The mechanical ventilation high-level water-collecting energy-saving noise-reducing cooling tower as claimed in claim 1, wherein: the surface of the water collecting sloping plate (14) is provided with a diversion trench, and each water collecting trench (13) is provided with a water collecting sloping plate (14).