CN112964081A

CN112964081A - Compact energy-saving cooling tower special for efficient machine room

Info

Publication number: CN112964081A
Application number: CN202110319379.2A
Authority: CN
Inventors: 贺颂钧; 雷江松; 黄建辉; 罗曼; 刘舸争; 李媛
Original assignee: Shenzhen Metro Group Co ltd; Guangzhou Laxun Technology Exploit Co ltd
Current assignee: Shenzhen Metro Group Co ltd; Guangzhou Laxun Technology Exploit Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-15

Abstract

The invention relates to the technical field of cooling, in particular to a compact energy-saving cooling tower dedicated to a high-efficiency machine room, comprising a tower body, a transmission system, a water distribution system, a heat dissipation system and a water supply system. The water system, heat dissipation system and water supply system are all located in the heat exchange chamber. The water distribution system is arranged on the top of the heat dissipation system. The water distribution system includes a water seeding basin. A variable flow nozzle mechanism is installed inside the water spreading basin. Intake pipe. The beneficial effects of the invention are that the permanent magnet motor has high synchronous operation efficiency, and the permanent magnet motor adopts automatic and intelligent frequency conversion control. When running at night or under low load, the permanent magnet motor speed is automatically adjusted, the speed is reduced, and the energy consumption is reduced, and the low-speed anti-loss of voltage is adopted. The anti-backflow multi-blade high-efficiency fan ensures the air volume and the rate of cooling through the heat dissipation filler. It is compact and efficient, and can be applied to a compact energy-saving cooling tower for high-efficiency computer rooms.

Description

Compact energy-saving cooling tower special for efficient machine room

Technical Field

The invention relates to the technical field of cooling, in particular to a compact energy-saving cooling tower special for a high-efficiency machine room.

Background

The average energy efficiency of air-conditioning cold water machine rooms in China is generally low in the year, requirements of national energy-saving emission-reducing policy popularization and energy efficiency standards are higher and higher, meanwhile, urban space land is more and more tense along with rapid development of cities, and in recent years, design and application of efficient cold water machine rooms and supporting equipment are gradually adopted in some projects. The efficient continuous operation of the whole cold water machine room is realized, and the system work is actually designed finely and operated intelligently. The method comprises three key parts of selection of energy-saving products, optimization of a machine room system, energy-saving operation and maintenance and the like.

Chinese patent No. CN103206747B provides a cooling system for servers in a machine room, comprising: the filter assembly is arranged in the machine room and is adjacent to the air inlet; the fan is arranged on the downstream side of the filtering component and guides the air filtered by the filtering component into the air inlet duct; the air conditioner component is arranged in the machine room; and the cooling tower is arranged outside the machine room, and a water return pipeline and a water outlet pipeline are connected between the cooling tower and the air conditioning component.

The existing cooling tower is used as a terminal device of an air conditioning system, a transmission system of the cooling tower generally adopts a low-efficiency motor and reduction box (or belt reducer) transmission technology, a 3-level energy efficiency motor is generally adopted, and the energy efficiency is still high at night or under low load; the fan adopts a common 4-blade type, when the rotating speed is low, the fan loses pressure and flows back, and the efficiency is reduced quickly; when the circulating water quantity of the water system in low-load operation is reduced, because an external connecting pipe water inlet mode is adopted, constant-pressure water supply is avoided, and the water inlet quantity at two sides is uneven due to the siphonage phenomenon, so that the heat dissipation effect of the cooling tower is poor; the cooling tower packs the footpath and is dark little, highly short, and the piece is apart from great and layering more, and the layering district is equivalent to a lot of water distributions and causes the water distribution inhomogeneous, packs the footpath and is dark little, short, and at the low-load, the water distribution is thin, and cold air is crossed the filler and is crossed the short excessively with cooling hot water time, and whole heat transfer effect is low efficiency, and the tower of same cooling capacity often is bulky etc. consequently need urgent special compact energy-saving cooling tower of research and development high-efficient computer lab.

Disclosure of Invention

The invention aims to provide a special compact energy-saving cooling tower for a high-efficiency machine room, which aims to solve the problem that the cooling tower has poor heat dissipation effect due to uneven water inflow at two sides caused by the siphon phenomenon in the background technology; the cooling tower has the problems of small filling diameter depth, short height, large sheet distance and more layering, the layering region is equivalent to the problem of uneven water distribution caused by multiple water distribution, the filling diameter depth is small, the filling diameter is short, the water distribution is thin, the intersection time of cold air and cooling hot water after the filling is too short, and the overall heat exchange effect is low.

The technical scheme of the invention is as follows: the special compact energy-saving cooling tower for the high-efficiency machine room comprises a tower body, a transmission system, a water distribution system, a heat dissipation system and a water supply system, wherein a heat exchange cavity is arranged inside the tower body, the transmission system, the water distribution system, the heat dissipation system and the water supply system are all positioned in the heat exchange cavity, the water distribution system is arranged at the top of the heat dissipation system, the water distribution system comprises a water sowing basin, a variable flow nozzle mechanism is arranged inside the water sowing basin, the water supply system comprises a water inlet pipe, a three-way pipe is arranged at one end of the water inlet pipe through bolts, constant-pressure sealing pipes are arranged at two ends of the three-way pipe through bolts, a water inlet branch pipe is arranged at one end of each constant-pressure sealing pipe, a valve is arranged at one side of each water inlet branch pipe, an inner water inlet pipe is arranged at the top end of each water inlet branch pipe, the heat dissipation system comprises a high-efficiency packing mechanism, narrow-pitch packing is arranged inside the high-efficiency packing mechanism, air inlets are formed in the two sides of the tower body, a water collecting tank is arranged inside the tower body through bolts, and the transmission system comprises a permanent magnet motor and a multi-blade high-efficiency fan.

Furthermore, the variable flow nozzle mechanism comprises a flat nozzle, a middle nozzle, a high nozzle and a low nozzle, wherein the flat nozzle is clamped at the bottom of the water sowing basin.

Furthermore, the middle spray head is clamped at the bottom of the water sowing basin, the high spray head is clamped at the bottom of the water sowing basin, and the low spray head is clamped at the bottom of the water sowing basin.

And furthermore, connecting discs are arranged at the three ends of the three-way pipe and one end of the constant-pressure sealing pipe, and the two adjacent connecting discs are fixedly connected through bolts.

Furthermore, a support frame is installed on one side of the tower body through a bolt, and a protective guard is installed on the top of the tower body through a bolt.

Furthermore, one side of the support frame is provided with a climbing frame, and one side of the climbing frame is provided with a protective ring.

Furthermore, one side of the water collecting tank is provided with a water outlet hole, and the interior of the water outlet hole is connected with a water outlet pipe through a flange interface.

Furthermore, a sewage draining hole is formed in the bottom of the water collecting tank, a sewage draining pipe is connected to the inside of the sewage draining hole through a flange connector, and a first flange plate is arranged at one end of the sewage draining pipe.

Furthermore, one end of the water inlet pipe is provided with a second flange plate, and one side of the first flange plate and one side of the second flange plate are both provided with connecting holes.

Further, an installation plate is installed on one side of the tower body through a bolt, and a water supplementing device is installed on one side of the installation plate through a bolt.

The invention provides a compact energy-saving cooling tower special for a high-efficiency machine room through improvement, and compared with the prior art, the invention has the following improvements and advantages:

(1) through the permanent magnet motor that sets up, adopt permanent magnet motor directly to drive, permanent magnet motor synchronous operation is efficient, and permanent magnet motor adopts automatic intelligent frequency conversion control moreover, and night or during the low-load operation, permanent magnet motor rotational speed automatically regulated, the rotational speed descends the power consumption and reduces to adopt the high-efficient fan of low-speed decompression anti-return multi-vane to guarantee the amount of wind, guarantee the speed that the cooling passed the heat dissipation filler.

(2) Through the constant pressure sealed tube that sets up, the constant pressure sealed tube sets up between inlet tube and water inlet branch pipe, and the constant pressure sealed tube has sealed, the effect that the constant pressure supplied water, can avoid leading to the production of the inhomogeneous phenomenon of water distribution because of producing the siphon phenomenon.

(3) Through the high-efficient mechanism that packs that sets up, adopt the narrow piece of the even wind load of big footpath depth length to pack apart from the high efficiency in the high-efficient mechanism that packs, big footpath is dark, the whole filler design of long procedure, the even wind load of isopipe in air chamber, guarantee cooling water and air contact time, it is more abundant to make the cooling water heat dissipation, the number of pieces of packing is more under the same volume, whole radiating effect can be better, the same thermal behavior of reason, under the cooling water volume requirement, the cooling tower volume can be done littleer, the whole outward appearance of tower is compacter.

(4) The variable flow nozzle mechanism adopts multiple types of multi-level variable flow nozzles, so that not only is cooling circulating water uniformly distributed on the filler, but also 20% -120% of variable flow uniform water distribution is realized, and the cooling effect of the cooling tower is improved.

(5) After many new techniques we used, such as: the permanent magnet synchronous direct-drive system comprises a low-speed decompression-preventing backflow-preventing multi-blade high-static-pressure fan, an anti-siphon constant-pressure water supply internal water inlet system, a multi-level stepless variable-flow nozzle, and particularly a large-diameter deep long-range uniform wind load narrow-blade-distance efficient packing technology, so that the compact energy-saving cooling tower special for the efficient machine room is compact and efficient, and can be suitable for the efficient machine room.

Drawings

The invention is further explained below with reference to the figures and examples:

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the bottom structure of the watering pot of the present invention;

FIG. 5 is a schematic view of the internal structure of the watering pot of the present invention;

FIG. 6 is a schematic view of the internal water inlet piping structure of the present invention;

FIG. 7 is a schematic view of the construction of the inventive narrow gauge packing;

fig. 8 is a schematic view of the structure of the air inlet of the present invention.

Description of reference numerals:

the device comprises a tower body 1, a permanent magnet motor 2, a multi-blade high-efficiency fan 3, a water sowing basin 4, a variable flow nozzle mechanism 5, a high-efficiency filler mechanism 6, a water inlet branch pipe 7, a constant pressure sealing pipe 8, a water inlet pipe 9, a valve 10, a water outlet pipe 11, a water replenishing device 12, an internal water inlet pipe 13, a heat exchange chamber 14, a flat nozzle 15, a middle nozzle 16, a high nozzle 17, a low nozzle 18, a connecting disc 19, a narrow-sheet-distance filler 20, a protective guard 21, a climbing frame 22, a protective ring 23, a 24 air inlet, a 25 water collecting tank 26, a drain pipe 26, a flange plate I, a support frame 28, a flange plate II 29, a connecting hole 30, a.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a compact energy-saving cooling tower special for a high-efficiency machine room through improvement, as shown in figures 1-8, the compact energy-saving cooling tower comprises a tower body 1, a transmission system, a water distribution system, a heat dissipation system and a water supply system, wherein a heat exchange chamber 14 is arranged inside the tower body 1, the transmission system, the water distribution system, the heat dissipation system and the water supply system are all positioned in the heat exchange chamber 14, the water distribution system is arranged at the top of the heat dissipation system, the water distribution system comprises a water sowing basin 4, a variable flow nozzle mechanism 5 is arranged inside the water sowing basin 4, the water supply system comprises a water inlet pipe 9, one end of the water inlet pipe 9 is provided with a three-way pipe 32 through bolts, two ends of the three-way pipe 32 are provided with constant-pressure sealing pipes 8 through bolts, the constant-pressure sealing pipes 8 are arranged in the water supply system pipeline for preventing the, a large anti-siphon constant-pressure sealing pipe 8 is arranged in a cooling tower at the water inlet side, then water is uniformly supplied to a water-spreading basin 4 at the top through the constant-pressure sealing pipe 8, one end of the constant-pressure sealing pipe 8 is provided with a water inlet branch pipe 7, one side of the water inlet branch pipe 7 is provided with a valve 10, the opening degree of the valve 10 enables packing in the tower to form dry and wet areas so as to reduce air saturation and play a key white smoke prevention function, the top end of the water inlet branch pipe 7 is provided with an inner water inlet distribution pipe 13, one end of the inner water inlet distribution pipe 13 is arranged at one side of the water-spreading basin 4, a heat dissipation system comprises a high-efficiency packing mechanism 6, a variable flow nozzle mechanism 5 is arranged above the high-efficiency packing mechanism 6, a narrow-distance packing 20 is arranged in the high-efficiency packing mechanism 6, a large-diameter deep long-distance uniform air load narrow-distance packing 20 is adopted, a large-diameter deep long-flow-distance whole-, the cooling water can dissipate heat more fully; under the same thermal performance and cooling water quantity requirements, the volume of the cooling tower body 1 can be made smaller, the whole appearance of the tower is more compact, air inlets 24 are arranged on both sides of the tower body 1, a water collecting tank 25 is arranged in the tower body 1 through bolts, a transmission system comprises a permanent magnet motor 2 and a multi-blade high-efficiency fan 3, the multi-blade high-efficiency fan 3 is directly driven by the permanent magnet motor 2, the permanent magnet motor 2 is a high-torque direct drive motor, it has all the advantages of variable speed control, replaces the traditional transmission mode of a motor and a belt speed reducer applied in a cooling tower by the professional direct transmission high-efficiency design, improves the transmission efficiency of the system by 10 to 15 percent, has low-speed voltage-loss-preventing backflow-preventing multi-blade high-efficiency fan 3, under the condition of the same power consumption, the required air volume and higher full pressure are obtained through lower rotating speed; the blades are of a wing type structure, the streamline design accords with the fluid motion rule, the resistance is extremely low, the energy consumption is low, the gaps among the blades are reduced due to the multi-blade design, and the vortex backflow phenomenon is avoided; the fan has high efficiency, and higher total pressure can be obtained under the same energy consumption; when the fan frequency conversion low frequency operation, the wind speed reduces, and the tower body resistance reduces along with the wind speed reduction, but the full pressure decay trend of multi-blade fan is more gentle, still can overcome the tower body resistance, avoids ordinary fan because of the decompression phenomenon that the frequency conversion operation arouses, through a great deal of new technology that we used, if: the permanent magnet synchronous direct-drive system comprises an internal water inlet, a variable flow nozzle and a high-efficiency fan, in particular to a new filling technology, thereby achieving the compact energy-saving cooling tower which is compact and high-efficiency and can be suitable for a high-efficiency machine room special for the high-efficiency machine room.

Furthermore, the variable flow nozzle mechanism 5 comprises a flat nozzle 15, a middle nozzle 16, a high nozzle 17 and a short nozzle 18, the flat nozzle 15 is clamped at the bottom of the water sowing basin 4, and water baffles lower than the bottom of the variable flow nozzle mechanism 5 are additionally arranged on the inner side and the outer side of the bottom of the water sowing basin 4, so that the function of self-water collection is achieved.

Furthermore, the middle nozzle 16 is connected to the bottom of the water spreading basin 4 in a clamped manner, the high nozzle 17 is connected to the bottom of the water spreading basin 4 in a clamped manner, the low nozzle 18 is connected to the bottom of the water spreading basin 4 in a clamped manner, the variable flow nozzle mechanism 5 is composed of the upper part and the lower part of the nozzle, an arc-shaped hollow boss is arranged in the middle of the nozzle basket in the lower part, the bottom of the nozzle basket is provided with hollow petals, a part of water flow impacts the boss to move in a parabolic manner along an arc line and is sprinkled to a farther place, a part of water flow impacts the solid position of the basket through the hollow position of the boss to be rebounded to a relatively closer place, and a part of water flow. And multiple types of multi-level variable flow nozzles of high, middle, low and flat types are arranged in the water spreading basin, so that the cooling circulating water is uniformly spread on the filler, the variable flow uniform water distribution of 20-120% is realized, and the cooling effect of the cooling tower is improved.

Furthermore, connecting discs 19 are arranged at the three ends of the three-way pipe 32 and one end of the constant-pressure sealing pipe 8, two adjacent connecting discs 19 are fixedly connected through bolts, and the connecting discs 19 are convenient for the connection of the three-way pipe 32 and the constant-pressure sealing pipe 8.

Further, a support frame 28 is installed on one side of the tower body 1 through a bolt, a protective guard 21 is installed on the top of the tower body 1 through a bolt, and the protective guard 21 can protect people standing on the top of the tower body 1.

Further, one side of support frame 28 is provided with climbing frame 22, and climbing frame 22 is convenient for the climber to climb the top of tower body 1, and one side of climbing frame 22 is provided with guard ring 23, and guard ring 23 can play the guard action to the climber on the climbing frame 22 of climbing.

Furthermore, one side of the water collecting tank 25 is provided with a water outlet hole, the interior of the water outlet hole is connected with a water outlet pipe 11 through a flange interface, and water in the water collecting tank 25 is discharged through the water outlet pipe 11.

Further, the bottom of water catch bowl 25 is opened there is the blowoff hole, and the inside in blowoff hole has blow off pipe 26 through flange interface connection, and blow off pipe 26's one end is provided with flange 27, and flange 27 is convenient for blow off pipe 26 and other connecting pipes to connect.

Furthermore, one end of the water inlet pipe 9 is provided with a second flange 29, the second flange 29 is convenient for the water inlet pipe 9 to be connected with other connecting pipes, and one side of the first flange 27 and one side of the second flange 29 are provided with connecting holes 30.

Further, an installation plate 31 is installed on one side of the tower body 1 through bolts, the installation plate 31 is convenient for the water supplementing device 12 to be installed on one side of the tower body 1, the water supplementing device 12 is installed on one side of the installation plate 31 through bolts, and the water supplementing device 12 comprises manual and automatic water supplementing devices.

The working principle is as follows: the gas enters the interior of the tower body 1 through the gas inlet 24, the water enters the water-spreading basin 4 through the water inlet pipe 9, the three-way pipe 32, the water inlet branch pipe 7, the constant pressure sealing pipe 8 and the inner water inlet pipe 13, the constant pressure sealing pipe 8 is arranged between the water inlet pipe 9 and the water inlet branch pipe 7, the constant pressure sealing pipe 8 has the effects of sealing and constant pressure water supply, the phenomenon of uneven water distribution caused by the generation of siphon phenomenon can be avoided, the opening degree of the valve 10 enables the filler in the tower body 1 to form a dry-wet partition so as to reduce the air saturation and achieve a key white smoke prevention function, the variable flow nozzle mechanism 5 adopts various types of multi-level variable flow nozzles to ensure that the cooling circulating water is uniformly scattered on the filler, 20% -120% of variable flow uniform water distribution is achieved, the cooling effect of the cooling tower is improved, the permanent magnet motor 2 is started, the synchronous operation efficiency of the permanent magnet, and the permanent magnet motor 2 adopts automatic intelligent frequency conversion control, the rotating speed of the permanent magnet motor 2 is automatically regulated when the permanent magnet motor operates at night or under low load, the rotating speed is reduced, the energy consumption is reduced, the wind rate is ensured by adopting the low-speed decompression-proof backflow-proof multi-blade high-efficiency fan 3, the speed of cooling to penetrate through the heat dissipation filler is ensured, the high-efficiency filler mechanism 6 adopts large-diameter deep long-range uniform wind load narrow-sheet-distance high-efficiency filler, the large-diameter deep long-flow whole filler design is adopted, the pressure field uniform wind load in the air chamber ensures the contact time of cooling water and air, so that the cooling water can dissipate heat more fully, more filler sheets are arranged under the same volume, the whole heat dissipation effect is better, the cooling tower can be made smaller under the same-principle same thermal performance and the cooling water quantity requirement.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Energy-conserving cooling tower of special compact of high-efficient computer lab, its characterized in that: comprises a tower body (1), a transmission system, a water distribution system, a heat dissipation system and a water supply system, wherein a heat exchange cavity (14) is arranged inside the tower body (1), the transmission system, the water distribution system, the heat dissipation system and the water supply system are all positioned in the heat exchange cavity (14), the water distribution system is arranged at the top of the heat dissipation system and comprises a water sowing basin (4), a variable flow nozzle mechanism (5) is arranged inside the water sowing basin (4), the water supply system comprises a water inlet pipe (9), a three-way pipe (32) is arranged at one end of the water inlet pipe (9) through a bolt, constant-pressure sealing pipes (8) are arranged at two ends of the three-way pipe (32) through bolts, a water inlet branch pipe (7) is arranged at one end of the constant-pressure sealing pipes (8), a valve (10) is arranged at one side of the water inlet branch pipe (7), an inner water inlet pipe (13) is arranged at the top end of the, one end of the inner water inlet pipe (13) is arranged on one side of the water sowing basin (4), the heat dissipation system comprises an efficient packing mechanism (6), narrow-pitch packing (20) is arranged inside the efficient packing mechanism (6), air inlets (24) are arranged on two sides of the tower body (1), a water collection tank (25) is arranged inside the tower body (1) through bolts, and the transmission system comprises a permanent magnet motor (2) and a multi-blade efficient fan (3).

2. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: the variable flow nozzle mechanism (5) comprises a flat nozzle (15), a middle nozzle (16), a high nozzle (17) and a low nozzle (18), and the flat nozzle (15) is clamped at the bottom of the water sowing basin (4).

3. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 2, wherein: the middle spray head (16) is connected to the bottom of the water sowing basin (4) in a clamped mode, the high spray head (17) is connected to the bottom of the water sowing basin (4) in a clamped mode, and the low spray head (18) is connected to the bottom of the water sowing basin (4) in a clamped mode.

4. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: and the three ends of the three-way pipe (32) and one end of the constant-pressure sealing pipe (8) are respectively provided with a connecting disc (19), and the two adjacent connecting discs (19) are fixedly connected through bolts.

5. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: a support frame (28) is installed on one side of the tower body (1) through bolts, and a protective guard (21) is installed on the top of the tower body (1) through bolts.

6. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 5, wherein: one side of the supporting frame (28) is provided with a climbing frame (22), and one side of the climbing frame (22) is provided with a protective ring (23).

7. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: one side of the water collecting tank (25) is provided with a water outlet hole, and the interior of the water outlet hole is connected with a water outlet pipe (11) through a flange interface.

8. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: the bottom of water catch bowl (25) is opened there is the blowhole, and the inside in blowhole has blow off pipe (26) through flange joint connection, the one end of blow off pipe (26) is provided with ring flange one (27).

9. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: one end of the water inlet pipe (9) is provided with a second flange plate (29), and one sides of the first flange plate (27) and the second flange plate (29) are both provided with connecting holes (30).

10. The special compact energy-saving cooling tower for the high-efficiency machine room as claimed in claim 1, wherein: the mounting panel (31) is installed through the bolt in one side of tower body (1), moisturizing device (12) are installed through the bolt in one side of mounting panel (31).