CN212227779U - Anti-freezing system of natural ventilation air cooling condenser - Google Patents
Anti-freezing system of natural ventilation air cooling condenser Download PDFInfo
- Publication number
- CN212227779U CN212227779U CN202021248803.6U CN202021248803U CN212227779U CN 212227779 U CN212227779 U CN 212227779U CN 202021248803 U CN202021248803 U CN 202021248803U CN 212227779 U CN212227779 U CN 212227779U
- Authority
- CN
- China
- Prior art keywords
- air
- cooling
- condenser
- triangular
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a natural draft air cooling condenser anti-freezing system belongs to the natural draft air cooling field of thermal power factory. An anti-freezing system of a natural ventilation air-cooled condenser is characterized in that a plurality of triangular cooling units are uniformly distributed at an air inlet of a natural ventilation cooling tower; each triangular cooling unit is surrounded by a wind adjusting device and two air-cooled condensers, and the wind adjusting devices are arranged on the windward side; the air inlet of each triangular cooling unit is connected with an air inlet pipe, a valve is arranged on the air inlet pipe, the outlet of each triangular cooling unit is connected with a condensed water pipe, and each condensed water pipe is converged into a condensed water header pipe. The system of the utility model introduces the air adjusting device into the air cooling condenser to form a triangular cooling unit, thus balancing the occupied space and the ventilation performance of the wind-receiving surface; the air adjusting device is arranged on the windward side, the speed of the air-cooled condenser is adjusted by adjusting the opening degree of the air adjusting device, the cooling speed of the air-cooled condenser is reduced or increased, and the occurrence of frost cracking of the air-cooled condenser caused by water freezing is reduced.
Description
Technical Field
The utility model belongs to thermal power factory natural draft air cooling field, especially a natural draft air cooling condenser anti-freezing system.
Background
The natural ventilation direct air cooling system is characterized in that steam turbine exhaust steam is sent to an air cooling condenser through an exhaust pipeline, the air cooling condenser is vertically arranged at an air inlet of a natural ventilation air cooling tower, and cold air flows through the surface of the condenser by utilizing the draft force of a tower cylinder, so that steam in the condenser is condensed. One of the main factors influencing the operation of the air cooling system in winter is that when environmental strong wind occurs, because the air cooling condenser is not internally buffered by a large amount of water volume, a tube bundle of the condenser is quickly frozen and blocked, so that finned tubes of the condenser are deformed or frost-cracked, and permanent damage is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcoming that air cooling condenser easily frost cracks among the direct air cooling system of current natural draft, provide a natural draft air cooling condenser system of preventing frostbite.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
an anti-freezing system of a natural ventilation air-cooled condenser comprises a natural ventilation cooling tower, wherein a plurality of triangular cooling units are uniformly distributed at an air inlet of the natural ventilation cooling tower;
each triangular cooling unit is surrounded by a wind adjusting device and two air-cooled condensers, and the wind adjusting devices are arranged on the windward side;
the steam inlet of each triangular cooling unit is connected with a steam inlet pipe, a valve is arranged on the steam inlet pipe, the outlet of each triangular cooling unit is connected with a condensate pipe, each condensate pipe is converged into a condensate header pipe, and the other end of the condensate header pipe is connected with a water tank.
Furthermore, a water pump is arranged on the water tank and used for pumping water in the water tank into the thermodynamic system.
Further, the air adjusting device is a shutter.
Furthermore, the air adjusting device is an air-proof curtain capable of adjusting the opening area.
Further, the triangular cooling unit is replaced by a circular arc-shaped cooling unit.
Further, the valve is an electromagnetic valve.
Compared with the prior art, the utility model discloses following beneficial effect has:
the natural ventilation air cooling condenser anti-freezing system introduces the air adjusting device into the air cooling condenser, and the triangular cooling unit is composed of two air cooling condensers and one air adjusting device, thus balancing the occupied space and the ventilation performance of the wind-receiving surface; the air adjusting device is arranged on the windward side, and the external air speed of the air-cooled condenser is adjusted by adjusting the opening degree of the air adjusting device, so that the cooling speed of the air-cooled condenser is reduced or increased, and the occurrence of frost cracking of the air-cooled condenser due to water freezing is reduced.
Furthermore, the condensed water can reenter the thermodynamic system through the water pump, so that the water can be recycled.
Furthermore, when the cooling scale is small, the triangular cooling unit is replaced by an arc-shaped cooling unit, so that the ventilation resistance is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1-natural draft cooling tower; 2-an air-cooled condenser; 3-a water pump; 4-a wind adjusting device; 5-a steam inlet pipe; 6-a valve; 7-a condensate pipe; 8-condensation water header pipe; 9-water tank.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, fig. 1 is a top view of the natural draft air cooling condenser anti-freezing system of the present invention, which includes an air cooling condenser 2 disposed around an air inlet of a natural draft cooling tower 1, two air cooling condensers 2 and an air adjusting device 4 enclosing a plurality of cooling delta units, the air adjusting device 4 being disposed on the windward side; the steam inlet pipe 5 of the cooling triangular unit is provided with a valve 6, the condensed water pipe 7 of the cooling triangular unit is gathered on a condensed water inlet header pipe 8, a water tank 9 is arranged on the condensed water header pipe 8, and water in the water tank 9 is boosted by a water pump 10 and then returns to the thermodynamic system.
The utility model discloses a natural draft air cooling condenser anti-freezing system's work flow does:
steam enters the corresponding air-cooled condenser 2 through the steam inlet pipe 5, air outside the air-cooled condenser 2 carries away heat of the steam inside the air-cooled condenser 2, the steam is condensed into water in the air-cooled condenser 2, the condensed water is collected into a condensed water main pipe 8 through a condensed water pipe 7 and then enters the water tank 9, and when the water pump 10 is started, the water in the water tank 9 is boosted to return to a thermodynamic system through the water pump 10;
the air speed outside the air-cooling condenser 2 is controlled by the air adjusting device 4, when the air adjusting device 4 is closed, the air outside the air-cooling condenser 2 is minimum, and when the air adjusting device is opened, the air speed is maximum.
The valves on the steam inlet pipes of the cooling delta units can also be partially installed, and each steam inlet pipe is not required to be installed.
The anti-freezing system can be automatically controlled, and can also be manually confirmed to act according to the alarm signal of the set value of the temperature of the condensed water.
The utility model discloses a natural draft air cooling condenser anti-freezing system, the operation that prevents frostbite is:
under the influence of strong wind in the environment, if the heat dissipation capacity of the cooling triangular unit is unbalanced, if the temperature of a condensate pipe 7 of the No. 5 cooling triangular unit is lower than a set value, gradually closing the air adjusting devices of the cooling triangular unit on the circumferences 1/6-1/8 (such as No. 3-7) where the No. 5 cooling triangular unit is located and on the circumferences 1/6-1/8 (such as No. 22-26) of the centrosymmetric sides, thereby achieving the purposes of reducing the external wind speed of the air-cooled condenser and reducing the cooling speed;
if the temperature of other cooling triangular units is lower than the temperature of the condensate and lower than the set value, the air adjusting devices of the cooling triangular units on the circumferences of 1/6-1/8 and the opposite sides 1/6-1/8 are gradually closed for control.
If the temperature of the condensed water of the air adjusting device of the No. 5 cooling triangular unit is still lower than the set value after the air adjusting device is completely closed, the valves on the steam inlet pipes of the cooling triangular units on the 1/6-1/8 circumferences (such as No. 3-7) and the opposite sides 1/6-1/8 circumferences (such as No. 22-26) of the cooling triangular unit are closed, so that the valves are not allowed to participate in the work, and the occurrence of frost cracking is avoided.
The utility model discloses a natural draft air cooling condenser anti-freezing system prevents that the temperature degree of condensing is too high operation to:
when the temperature of a condensation water main pipe of the running cooling triangular unit is higher than a set value, the air adjusting devices (such as No. 1, No. 2, No. 4-No. 21, No. 27-No. 38 and the like) on the running triangular cooling unit are preferably and gradually started;
when the air adjusting devices of the running cooling triangular units are all opened and the water temperature in the condensation water main pipe 8 is still larger than a set value, the valves and the air adjusting devices on the steam inlet pipes of the cooling triangular units (such as No. 3 and No. 22) which are adjacent to the running cooling triangular units and are in central symmetry positions are opened, and the opening degree of the air adjusting devices 4 is gradually adjusted according to the temperature of the condensation water main pipe 8 until the air adjusting devices are all opened;
and gradually opening valves and air adjusting devices (such as No. 7 and No. 26) on the steam inlet pipes of the next group of cooling triangular units with central symmetry according to the temperature of the condensed water main pipe until all the cooling triangular units normally operate.
The air adjusting device of the cooling triangular unit and the cooling triangular unit with the valve in central symmetry are synchronously operated when the valve is opened or closed, so that the operation has better regulation and control effects compared with other modes.
Continuously closing air adjusting devices and steam inlet pipe valves of a plurality of cooling triangular units on 1/6-1/8 circumferences and on 1/6-1/8 circumferences of central symmetry sides, and closing the air adjusting devices and then closing the steam inlet pipe valves; and (3) opening a group of air adjusting devices and steam inlet pipe valves of the two cooling triangular units which are centrosymmetric one by one, wherein the air adjusting devices and the steam inlet pipe valves act simultaneously, the steam inlet pipe valves are fully opened, and the air adjusting devices are gradually opened.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (6)
1. The anti-freezing system of the natural ventilation air-cooled condenser is characterized by comprising a natural ventilation cooling tower (1), wherein a plurality of triangular cooling units are uniformly distributed at an air inlet of the natural ventilation cooling tower (1);
each triangular cooling unit is surrounded by an air adjusting device (4) and two air-cooled condensers (2), and the air adjusting devices (4) are arranged on the windward side;
the steam inlet of each triangular cooling unit is connected with a steam inlet pipe (5), a valve (6) is arranged on the steam inlet pipe (5), the outlet of each triangular cooling unit is connected with a condensed water pipe (7), each condensed water pipe (7) is gathered on a condensed water header pipe (8), and the other end of the condensed water header pipe (8) is connected with a water tank (9).
2. The natural draft air condenser antifreeze system of claim 1, wherein the water tank (9) has a water pump (3) thereon, said water pump (3) being adapted to pump water from the water tank (9) into the thermodynamic system.
3. The natural draft air condenser antifreeze system of claim 1, wherein said air register (4) is a louver.
4. The natural draft air condenser antifreeze system of claim 1, wherein the air register (4) is a curtain with adjustable open area.
5. The natural draft air condenser antifreeze system of claim 1, wherein said delta cooling unit is replaced with a radiused cooling unit.
6. The natural draft air condenser antifreeze system of claim 1, wherein said valve (6) is a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248803.6U CN212227779U (en) | 2020-06-30 | 2020-06-30 | Anti-freezing system of natural ventilation air cooling condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021248803.6U CN212227779U (en) | 2020-06-30 | 2020-06-30 | Anti-freezing system of natural ventilation air cooling condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212227779U true CN212227779U (en) | 2020-12-25 |
Family
ID=73911222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021248803.6U Active CN212227779U (en) | 2020-06-30 | 2020-06-30 | Anti-freezing system of natural ventilation air cooling condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212227779U (en) |
-
2020
- 2020-06-30 CN CN202021248803.6U patent/CN212227779U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211261324U (en) | Heat collector circulation system | |
| CN203479060U (en) | Temperature-controllable dry and wet-opening and closing integrated type cooling tower system | |
| CN209012023U (en) | A kind of efficient heat recovery system with variable curvature helical fin coil heat exchanger | |
| CN101776400A (en) | Forced-draft direct water film evaporative air-cooling condensor system | |
| CN110425903B (en) | Fin type heat exchanger and intelligent temperature adjusting method thereof | |
| CN202024625U (en) | Indirect air cooling system capable of changing flow direction of cooling water | |
| CN212227779U (en) | Anti-freezing system of natural ventilation air cooling condenser | |
| CN107227981B (en) | System and method for cooperatively controlling exhaust back pressure of steam turbine by utilizing LNG cold energy | |
| CN107588577A (en) | A kind of air source heat pump with new Defrost technology | |
| CN110396895B (en) | Energy circulation system for road surface heat collection and snow melting heat release and control method thereof | |
| CN202209823U (en) | Heat pump re-supercooling volatilization type heat exchanger | |
| CN205783412U (en) | A kind of air-conditioner outdoor unit cold and heat recovery device | |
| CN203518693U (en) | Vertical sealed cooling tower | |
| CN111735320A (en) | Temperature control method of air-cooled condenser | |
| CN1124448C (en) | Central air-conditioning system utilizing seawater to make heat exchange | |
| CN208222913U (en) | A kind of heat pump system based on micropore injecting type evaporator | |
| CN114000928A (en) | Series connection type peak cooling and waste heat recovery steam turbine generator unit | |
| CN208635375U (en) | A kind of air source heat pump system being adapted to cold district weather | |
| CN212843030U (en) | Air regulating device of direct air cooling condenser | |
| CN215063820U (en) | Anti-freezing device suitable for air cooling system | |
| CN204830996U (en) | Air cooling sector circulating water system | |
| CN108518893A (en) | A kind of heat pump system based on micropore injecting type evaporator | |
| CN106224023B (en) | A kind of combined cycle indirect air cooling system | |
| CN2748845Y (en) | Air cooled condenser with reliable heat radiation | |
| CN215597383U (en) | Drainage waste heat utilization system of heat supply initial station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |