CN209310536U - A kind of thermal power plant and its open type condenser cooling water air-discharging system - Google Patents
A kind of thermal power plant and its open type condenser cooling water air-discharging system Download PDFInfo
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- CN209310536U CN209310536U CN201822047909.9U CN201822047909U CN209310536U CN 209310536 U CN209310536 U CN 209310536U CN 201822047909 U CN201822047909 U CN 201822047909U CN 209310536 U CN209310536 U CN 209310536U
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- cooling water
- vaccum
- condenser
- open type
- air
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Abstract
The utility model discloses a kind of open type condenser cooling water air-discharging systems, it is mounted between the top of condenser water box and vaccum-pumping equipment including one, with the discharge air pipe line for entering vaccum-pumping equipment to avoid cooling water, at least one is additionally provided on the discharge air pipe line to the isolating valve that controls the discharge air pipe line on-off.Pass through the isolating valve for one group of discharge air pipe line being set between vaccum-pumping equipment and condenser He being set on the pipeline; being directly connected to for vaccum-pumping equipment and condenser can be achieved; it avoids that other complicated pipelines and equipment are arranged during will vacuumize setting and be connected to condenser; while guaranteeing air-discharging effect; device needed for simplifying this process of condenser air-discharging; and there is protective effect to vaccum-pumping equipment, it avoids cooling water from entering vaccum-pumping equipment and causes its damage.The invention also discloses a kind of thermal power plants including above-mentioned open type condenser cooling water air-discharging system.
Description
Technical field
The utility model relates to power field more particularly to a kind of open type condenser cooling water air-discharging systems.This is practical
It is novel to further relate to a kind of thermal power plant including above-mentioned open type condenser cooling water air-discharging system.
Background technique
In thermal power plant's condenser operational process, especially large condenser is inevitably deposited in recirculated cooling water
In a small amount of air.Air in cooling water can generate strong influence for the operation of entire condenser, such as be gathered in condensing
The air of device water outlet side increases running resistance, so that water circulating pump power consumption increases；For bilateral Inlet and outlet water condenser, two sides are not
The imbalance that impartial air also results in operation water is further exacerbated by.However, since there are siphons to show for condenser water outlet side
As the negative pressure of water outlet side makes the air for being gathered in top be difficult to be discharged.
In order to solve the air accumulation mixed in cooling water the water outlet side the phenomenon that, it will usually be added in condenser system
Vaccum-pumping equipment and other pipe-line systems to guarantee vaccum-pumping equipment normal operation, for example, separator in open type unit and
Separator and heat exchanger in enclosed unit etc..Condenser cooling water air-discharging system as shown in Figure 1, including three be incorporated to
Water-ring vacuum pump 02 in circulation line, the circulation line include at least the first pipeline 031, the second pipeline 032, third pipeline
033 3 difference pipelines, and the valve and controller of the multiple and different types that are arranged on each pipeline, thus to condenser
01 is vacuum-treated.Due to system be arranged it is complicated, it is not only at high cost but also also increase the difficulty of maintenance.
In conclusion such as how simple device realizes the air gathered in discharge cooling water, become those skilled in the art
Member's urgent problem to be solved.
Utility model content
The purpose of the utility model is to provide a kind of open type condenser cooling water air-discharging system, structure is simple, operates
It is convenient.The utility model also provides a kind of thermal power plant including above-mentioned open type condenser cooling water air-discharging system, layout letter
It is single, at low cost.
To achieve the above object, the utility model provides a kind of open type condenser cooling water air-discharging system, comprising:
One group with the discharge air pipe line for entering vaccum-pumping equipment to avoid cooling water；The first of the discharge air pipe line
It holds and is connect to connect the top of condenser water box, second end with the vaccum-pumping equipment；
The discharge air pipe line is equipped at least one to control the isolating valve for discharging air pipe line on-off.
Preferably, the discharge air pipe line includes being vertically arranged and the height section to limit cooling water lifting height.
Preferably, the discharge air pipe line further includes to connect water chamber and horizontally disposed linkage section；The height
Section is connected between the linkage section and the vaccum-pumping equipment；Wherein, the isolating valve is set to the linkage section.
Preferably, the number of the isolating valve is specially two.
Preferably, two isolating valves are specially shut-off valve.
The utility model also provides a kind of thermal power plant, including is located at bilateral Inlet and outlet water condenser, further includes two and above-mentioned opens
Formula condenser cooling water air-discharging system；Two open type condenser cooling water air-discharging systems are connected to the bilateral
Two water chambers of Inlet and outlet water condenser two sides.
Relative to above-mentioned background technique, open type condenser cooling water air-discharging system provided by the utility model includes one
The group discharge air pipe line for entering vaccum-pumping equipment to avoid cooling water；The discharge air pipe line is set to condenser water box
Between top and the vaccum-pumping equipment；It is logical to control the discharge air pipe line that at least one is also equipped on the pipeline
Disconnected isolating valve.
Isolating valve can be directly opened when needing air-discharging, lead vaccum-pumping equipment and condenser by discharging air pipe line
It is logical, avoid the cooling water in condenser from being pumped down in vaccum-pumping equipment；Isolation is closed after the air in condenser is evacuated
Valve cuts off the connection between vaccum-pumping equipment and condenser.
Above system greatly simplifies the pipe-line system between vaccum-pumping equipment and condenser, by discharging air pipe line
Water chamber and vaccum-pumping equipment can be connected, system pipeline is greatly simplified, there is good air-discharging effect；And operate when without
Vaccum-pumping equipment need to be opened or closed repeatedly, and discharge air pipe line effectively can avoid cooling water from entering in vaccum-pumping equipment, really
Insurance system operates normally.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of existing open type condenser cooling water air-discharging system；
Fig. 2 is the structural schematic diagram of open type condenser cooling water air-discharging system provided by the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 2, Fig. 2 is the knot of open type condenser cooling water air-discharging system provided by the utility model embodiment
Structure schematic diagram.
Open type condenser cooling water air-discharging system provided by the utility model, the row including one group with vertical distribution
Blowdown piping 1, the discharge air pipe line 1 is to be set between the top and vaccum-pumping equipment 4 of condenser water box, to avoid cold
But water enters vaccum-pumping equipment 4；At least one isolating valve is additionally provided on discharge air pipe line 1.
When needing to be discharged the air in condenser, isolating valve is opened, make to discharge the conducting water chamber of air pipe line 1 and is vacuumized
Equipment 4 is extracted out by vaccum-pumping equipment 4 by the air at the top of water chamber is collected at；After extraction finishes, isolation is closed in time
Valve disconnects the connection between vaccum-pumping equipment 4 and water chamber, makes the two independent operating.
It should be noted that the discharge air pipe line 1, which can be avoided cooling water, enters vaccum-pumping equipment 4, it is due to the row
There is certain difference in height between the entrance and highest point of blowdown piping 1, be formed by draught head using this section of difference in height and protect
Card cooling water will not enter vaccum-pumping equipment 4.For example, it if atmospheric pressure is equal to a standard atmospheric pressure, is set when vacuumizing
When the absolute pressure of standby 4 vacuum environments that can be formed is 0, then the variable quantity of pressure caused by vaccum-pumping equipment 4 should be equal to one
A standard atmospheric pressure, but in view of absolute pressure can not be less than 0, as long as thus guaranteeing that the difference in height is big not less than a standard
Air pressure, vaccum-pumping equipment 4 can not just make cooling water pass through discharge air the maximum suction that condenser water box can be generated at this time
The highest point of pipeline 1；If atmospheric pressure is greater than a standard atmospheric pressure, then the variation of pressure caused by vaccum-pumping equipment 4
Amount should be greater than a standard atmospheric pressure, just can guarantee that the absolute pressure of vacuum environment is 0, the difference in height also mutually should be greater than one at this time
Water-column corresponding to a standard atmospheric pressure, to guarantee that the height of the cooling water when absolute pressure is 0 is still below discharge air
The highest point of pipeline 1.
In order to form above-mentioned difference in height, the discharge air pipe line 1 have a variety of set-up modes, can for one end vertical pipe,
The combination of tipping tube or even multistage pipeline, as long as can guarantee that the difference in height of its vertical direction can limit the upper raising of cooling water
Degree.
Open type condenser cooling water air-discharging system provided by the utility model passes through in vaccum-pumping equipment 4 and condenser
Between one group of discharge air pipe line 1 and isolating valve be set, realize being directly connected to for vaccum-pumping equipment 4 and condenser, it is not necessary to exist again
Other complex pipelines and components are set therebetween.Above system not only simplifies the device of condenser air-discharging, and reduction is set
Cost is counted, and discharge air pipe line 1 there is protective effect to vaccum-pumping equipment 4, avoids cooling water from entering vaccum-pumping equipment 4 and cause it
Damage, can periodically be discharged the air in condenser under non-stop-machine state.
With reference to the accompanying drawing and embodiment, to open type condenser cooling water air-discharging system provided by the utility model
Do further description.
In a specific embodiment, above-mentioned discharge air hose 1 includes the height section 12 that one end is vertically arranged, the height
Section 12 ensure that with linear distance has difference in height between water inlet and the highest point of pipeline, that is, utilizes shortest pipe arrangement side
Formula limits the maximum vertical penetration of cooling water.
Environmental stress is typically about equal to a standard atmospheric pressure at room temperature, but with the reduction of temperature, pressure can slightly on
It rises, in order to guarantee during the entire process of condenser is run, vaccum-pumping equipment 4 normally can vacuumize mesh to water chamber realization
, preferably, the length of height section 12 can be greater than the height of 1 atmospheric pressure water column, such as 11.5m~12m.Certainly, it grows
Degree is not without unconfined increase, but considers the temperature extremal of condenser working environment, fits under reasonable design cost
Work as variation.
When vaccum-pumping equipment 4 carries out vacuum pumping to water chamber, maximum suction that vaccum-pumping equipment 4 forms cooling water
Make cooling water be always positioned at the highest point of pipeline to enter in vaccum-pumping equipment 4 hereinafter, highest point will not be crossed, realizes and vacuumize
Equipment 4 and water chamber are directly connected to.
Vaccum-pumping equipment 4 refers to be improved in a certain enclosure space, the device of generation and maintenance vacuum, refers generally to vacuum pump.
The selection of vacuum pump can judge that sometimes one vacuum pump is difficult to realize according to factors such as working environment, cooling water and working ranges
When pumping requires, multiple vacuum pumps can be also applied in combination.
In view of the density of air is less than the density of cooling water, the air that cooling water carries in condenser operation is finally assembled
The highest point of the first end of height section 12 namely entrance and water chamber is connected thus, can be guaranteed more at the top of water chamber by collection
The efficient air extracted in cooling water, forms the vacuum environment of water chamber.Certainly, it for the system of bilateral water outlet, then arranges
The first end of blowdown piping 1 is connected respectively to the highest point of two sides water chamber.
Further, above-mentioned discharge air pipe line 1 further includes the horizontally disposed linkage section 11 in one end, and linkage section 11 is by water chamber
It is connected with the first end of height section 12, and the second end of height section 12 is then connect with vaccum-pumping equipment 4.
In order to realize sealing and the easy access at isolating valve, on the basis of the above embodiments, the specific number of isolating valve
Mesh is two, in two isolating valve series connection access discharge air pipe lines 1.Put down according to the flowing of cooling water, positioned at front end every
It is known as a valve from valve, the isolating valve positioned at rear end is known as secondary valve.When opening isolating valve, first opens a valve and open two again
Secondary valve；When closing isolating valve, first closes secondary valve and turn off a valve.
Gate valve, ball valve etc. can be used in isolating valve, and in the present embodiment, isolating valve specifically uses shut-off valve 2.Shut-off valve 2
Valve rod axis is vertical with sealing surface of seat, and it is relatively short that valve rod opens or closes stroke, has very reliable cutoff action.It removes
Except this, the flap of shut-off valve 2 is once in unlatching situation, the contact between its valve seat and valve clack sealing surface just no longer,
It can guarantee the reliability of cutoff action.
Open type condenser cooling water air-discharging system provided by the utility model passes through discharge air pipe line 1 and concatenation
Two shut-off valves 2 on it, can by two shut-off valves 2, it can be achieved that being directly connected to for vaccum-pumping equipment 4 and condenser 3
Cutting or unblocking vent air pipe line 1 at any time realize periodically discharge water chamber in the case where not influencing vacuum pump normal operation
In air.
The utility model also provides a kind of thermal power plant, including bilateral Inlet and outlet water condenser 3 and two above-mentioned open type condensers
Cooling water drainage air system, two systems are connect with two water chambers 31 of the two sides of bilateral Inlet and outlet water condenser 3 respectively.The bilateral
The other equipment of the cooling water system of Inlet and outlet water condenser 3 refer to setting in the prior art, and details are not described herein.
When needing to carry out vacuum pumping to two water chambers 31, the vacuum pump and linkage section in two systems are opened respectively
Height section 12 is connected in shut-off valve on 11.Certainly, two linkage sections 11 can also be respectively set at the top of two water chambers 31,
It is in parallel by the same height section 12 again, vacuum pumping is carried out using a vacuum pump.
Thermal power plant provided by the utility model and its open type condenser cooling water air-discharging system have been carried out in detail above
It is thin to introduce.Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model.It should be pointed out that for the art
For those of ordinary skill, without departing from the principle of this utility model, several change can also be carried out to the utility model
Into and modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (6)
1. a kind of open type condenser cooling water air-discharging system characterized by comprising
One group with the discharge air pipe line (1) for entering vaccum-pumping equipment (4) to avoid cooling water；The discharge air pipe line (1)
First end connect to connect the top of condenser water box, second end with the vaccum-pumping equipment (4)；
Discharge air pipe line (1) is equipped at least one to control the isolating valve for discharging air pipe line (1) on-off.
2. open type condenser cooling water air-discharging system according to claim 1, which is characterized in that the discharge air hose
Road (1) includes being vertically arranged and the height section (12) to limit cooling water lifting height.
3. open type condenser cooling water air-discharging system according to claim 2, which is characterized in that the discharge air hose
Road (1) further includes to connect water chamber and horizontally disposed linkage section (11)；The height section (12) is connected to the linkage section
(11) between the vaccum-pumping equipment (4)；Wherein, the isolating valve is set to the linkage section (11).
4. open type condenser cooling water air-discharging system according to any one of claims 1 to 3, which is characterized in that described
The number of isolating valve is specially two.
5. open type condenser cooling water air-discharging system according to claim 4, which is characterized in that two isolating valves
Specially shut-off valve (2).
6. a kind of thermal power plant, including bilateral Inlet and outlet water condenser (3), which is characterized in that further include two such as claim 1 to 5
Described in any item open type condenser cooling water air-discharging systems；Two open type condenser cooling water air-discharging system difference
It is connected to two water chambers (31) of bilateral Inlet and outlet water condenser (3) two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047909.9U CN209310536U (en) | 2018-12-06 | 2018-12-06 | A kind of thermal power plant and its open type condenser cooling water air-discharging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047909.9U CN209310536U (en) | 2018-12-06 | 2018-12-06 | A kind of thermal power plant and its open type condenser cooling water air-discharging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209310536U true CN209310536U (en) | 2019-08-27 |
Family
ID=67675965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822047909.9U Expired - Fee Related CN209310536U (en) | 2018-12-06 | 2018-12-06 | A kind of thermal power plant and its open type condenser cooling water air-discharging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209310536U (en) |
-
2018
- 2018-12-06 CN CN201822047909.9U patent/CN209310536U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20211206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |