CN206503686U - A kind of steam-operating Circulating Pump System of coal plant - Google Patents
A kind of steam-operating Circulating Pump System of coal plant Download PDFInfo
- Publication number
- CN206503686U CN206503686U CN201720112759.8U CN201720112759U CN206503686U CN 206503686 U CN206503686 U CN 206503686U CN 201720112759 U CN201720112759 U CN 201720112759U CN 206503686 U CN206503686 U CN 206503686U
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- China
- Prior art keywords
- steam
- circulating pump
- steam turbine
- house steward
- turbine
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- 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.)
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Abstract
The utility model discloses a kind of steam-operating Circulating Pump System of coal plant, including steam turbine, reductor, water circulating pump, steam inlet house steward, steam (vapor) outlet house steward and gas making cushion dashpot, steam turbine is connected with reductor, reductor is connected with water circulating pump, steam inlet house steward communicates with steam turbine, and steam (vapor) outlet house steward communicates with gas making cushion dashpot；Also include petrol station system and high-order reserve fuel tank, the utility model can make full use of the high temperature and high pressure steam driving steam turbine that the heat exchanger of synthesis ammonia is produced, water circulating pump is driven to work by reductor, both the effect of pressure and temperature reducing had been reached to high temperature and high pressure steam, the pressure difference energy cut in vain with pressure regulator valve has been reclaimed again, improve the service efficiency of steam, environmental protection and energy-conservation are reached, create the purpose of benefit, the steam-operating Circulating Pump System fuel feeding is grouped as by petrol station system and high-order reserve fuel tank simultaneously, convenient management, being capable of makeup oil in time when oil leak amount is larger, and be unlikely to cause accidental shutdown or injury device.
Description
Technical field
The utility model belongs to coal plant's field of energy-saving technology, the steam-operating water circulating pump of more particularly to a kind of coal plant
System.
Background technology
The electric power installed capacity based on coal-fired thermal power generation was increased rapidly in recent years, but country is saving to fired power generating unit
Can, environmental protection, the requirement in terms of emission reduction increasingly improving, how this reducings the construction costs in Construction of Unit, saves O＆M initial stage if giving
Expense proposes more harsh standard and expectation.It is that energy (electricity) consumption consumption in fired power generating unit, expense are thrown due to water circulating pump
Rich and influential family is provided, it is therefore necessary to its arrangement is optimized.Current water circulating pump is driven using 700KW motor, power consumption
Amount is big, and many pressure are even more brought to enterprise after sharp rising from national electricity price.
The high steam that the heat exchanger of original synthesis ammonia of coal plant is produced simultaneously needs to pass through after depressurizing through pressure regulator valve
0.6MPa steam pipe system is conveyed to steam user and used, and pressure regulator valve can be depressured to steam cooling, and this portion of energy is by vain
Waste, the utilization ratio of steam is low, is unsatisfactory for the requirement of energy-conserving and environment-protective.
In view of disadvantage mentioned above, the design people actively innovates, to work out it is a kind of it is new be applied to coal plant and
The steam-operating Circulating Pump System that the energy of high steam can be fully utilized.
Utility model content
The utility model can be filled mainly solving the technical problems that provide a kind of steam-operating Circulating Pump System of coal plant
Divide the high temperature and high pressure steam driving steam turbine produced using the heat exchanger for synthesizing ammonia, and then pass through reductor and drive water circulating pump work
Make, the effect of pressure and temperature reducing has both been reached to high temperature and high pressure steam, the pressure difference energy cut in vain with pressure regulator valve has been reclaimed again, has been carried
The high service efficiency of steam, has reached environmental protection and energy-conservation, the purpose of wound benefit, while passing through petrol station system and high-order standby oil
Case is grouped as the steam-operating Circulating Pump System fuel feeding, convenient management, and when oil leak amount is larger can makeup oil in time, without
As for causing accidental shutdown or injury device.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of coal plant is provided
Steam-operating Circulating Pump System, including steam turbine, reductor, water circulating pump, steam inlet house steward, steam (vapor) outlet house steward and gas making are slow
Rush cylinder, the output shaft of the steam turbine is connected with the input shaft of the reductor by first shaft coupling, the reductor it is defeated
Shaft is connected with the input shaft of the water circulating pump by second shaft coupling, and the steam inlet house steward includes the first steam branch pipe
With the second steam branch pipe, first steam branch pipe is communicated with the import of the steam turbine, and is set on first steam branch pipe
There is pressure regulator valve, the exhaust line of second steam branch pipe and the steam turbine is collectively incorporated into the steam (vapor) outlet house steward, and institute
Exhaust line is stated provided with pressure regulator valve, second steam branch pipe is provided with pressure regulator valve, and the steam (vapor) outlet house steward makes with described
Gas cushion dashpot is communicated；
The system also includes petrol station system and the high-order reserve fuel tank being connected with the petrol station system by oil pipe, institute
State petrol station system and pass through the rotating shaft of oil pipe and the steam turbine, the output shaft of the steam turbine, the input shaft of the decelerator, institute
The output shaft and the input shaft of the water circulating pump for stating decelerator are connected and fuel feeding, and the petrol station system and the steam turbine
Rotating shaft, the output shaft of the steam turbine, the input shaft of the decelerator, the output shaft of the decelerator and the water circulating pump
Regulating valve is all provided with oil pipe between input shaft.
Further say, the steam turbine is provided with speed regulator.
Further say, the steam turbine is the back pressure turbine that rated power is 700KW.
Further say, control of the high-order reserve fuel tank to oil pipe uses pressure check valve.
Further say, the steam includes the high steam that the heat exchanger of synthesis ammonia is produced.
Further say, the first shaft coupling and the second shaft coupling are all laminated spring shaft coupling.
Further say, the pressure regulator valve that second steam branch pipe is provided with is pressure-reducing valve.
The beneficial effects of the utility model are：Advantage of the present utility model at least have it is following some：
First, the utility model can make full use of the high temperature and high pressure steam driving steam turbine that the heat exchanger of synthesis ammonia is produced, and enter
And drive water circulating pump to work by reductor, the effect of pressure and temperature reducing has both been reached to high temperature and high pressure steam, use has been reclaimed again
The pressure difference energy that pressure regulator valve is cut in vain, improves the service efficiency of steam, has reached environmental protection and energy-conservation, the purpose of wound benefit；
2nd, the utility model is grouped as the steam-operating Circulating Pump System fuel feeding by petrol station system and high-order reserve fuel tank,
Convenient management, and when oil leak amount is larger can makeup oil in time, and be unlikely to cause accidental shutdown or injury device；
3rd, influence during traditional large-size machine start and stop to power network is than larger, the equipment easily around influence, and this practicality is new
The steam turbine of type uses speed regulator, can reach the purpose of stable speed governing by changing the aperture of regulating valve, running stability and
System of the automatically controlling property all than motor driving cycle water pump is excellent；
4th, the utility model is by the way of steam drive steam turbine again driving cycle water pump, compared to traditional motor
The mode of driving, can be with by contrasting the investment situation, operating cost analysis, safety and reliability of both type of drive
Although showing that the input cost of steam turbine is higher than motor, its operating cost is followed well below the latter, investment Steam Turbine Driven
Ring water pump is in a short time recoverable cost, is that enterprise creates interests.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is theory structure schematic diagram of the present utility model；
Each several part mark is as follows in accompanying drawing：
Steam turbine 1, reductor 2, water circulating pump 3, steam inlet house steward 4, steam (vapor) outlet house steward 5, gas making cushion dashpot 6,
One shaft coupling 7, second shaft coupling 8, the first steam branch pipe 9, the second steam branch pipe 10, regulating valve 11, exhaust line 12, pressure regulator valve
13rd, petrol station system 14 and high-order reserve fuel tank 15.
Embodiment
Illustrate embodiment of the present utility model below by way of particular specific embodiment, those skilled in the art can
Advantage of the present utility model and effect are understood by content disclosed in the present specification easily.The utility model can also it is other not
Same mode is practiced, i.e. under the scope of without departing substantially from disclosed in the utility model, can give different modifications and change.
In the accompanying drawing of the present embodiment, solid line and filled arrows represent the flow direction of oil, dotted line and hollow arrow represents steam
Flow direction.
Embodiment：A kind of steam-operating Circulating Pump System of coal plant, as shown in figure 1, including steam turbine 1, reductor 2,
Water circulating pump 3, steam inlet house steward 4, steam (vapor) outlet house steward 5 and gas making cushion dashpot 6, the output shaft of the steam turbine subtract with described
The input shaft of fast machine is connected by first shaft coupling 7, and the input shaft of the output shaft of the reductor and the water circulating pump passes through
Second shaft coupling 8 is connected, and the steam inlet house steward includes the first steam branch pipe 9 and the second steam branch pipe 10, and described first steams
Vapour branch pipe is communicated with the import of the steam turbine, and first steam branch pipe is provided with pressure regulator valve 13, the second steam branch
The exhaust line 12 of pipe and the steam turbine is collectively incorporated into the steam (vapor) outlet house steward, and the exhaust line is provided with pressure regulation
Valve, second steam branch pipe is provided with pressure regulator valve 13, and the steam (vapor) outlet house steward communicates with the gas making cushion dashpot；
The system also includes petrol station system 14 and the high-order reserve fuel tank being connected with the petrol station system by oil pipe
15, the petrol station system by the rotating shaft of oil pipe and the steam turbine, the output shaft of the steam turbine, the decelerator input
Axle, the output shaft of the decelerator are connected and fuel feeding with the input shaft of the water circulating pump, and the petrol station system and the vapour
The rotating shaft of turbine, the output shaft of the steam turbine, the input shaft of the decelerator, the output shaft of the decelerator and the circulation
Regulating valve 11 is all provided with oil pipe between the input shaft of water pump.
The steam turbine 1 is provided with speed regulator.
The steam turbine 1 is the back pressure turbine that rated power is 700KW.
Control of the high-order reserve fuel tank 15 to oil pipe uses pressure check valve.
The steam includes the high steam that the heat exchanger of synthesis ammonia is produced.
The first shaft coupling and the second shaft coupling are all laminated spring shaft coupling.
The pressure regulator valve that second steam branch pipe is provided with is pressure-reducing valve.
Operation principle and the course of work of the present utility model are as follows：
The high steam that the heat exchanger of synthesis ammonia is produced is directly incorporated into 2.6MPa, 290 DEG C of steam inlet house steward, and passes through
First steam branch pipe, which enters, turns into 0.6MPa, 180 DEG C of steam after steam turbine acting, then is incorporated to through blow-off line 0.6MPa steaming
Vapor outlet house steward is conveyed to gas making cushion dashpot, has so both reached the effect of pressure and temperature reducing, make use of again unrestrained in vain by pressure regulator valve
The energy that expense is fallen, has reached the effect of energy-conserving and environment-protective；
During this, the steam-operating Circulating Pump System fuel feeding is grouped as by petrol station system and high-order reserve fuel tank, it is convenient
Management, and when oil leak amount is larger can makeup oil in time, and be unlikely to cause accidental shutdown or injury device.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other related technologies
Field, is similarly included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of steam-operating Circulating Pump System of coal plant, it is characterised in that：Including steam turbine (1), reductor (2), circulation
Water pump (3), steam inlet house steward (4), steam (vapor) outlet house steward (5) and gas making cushion dashpot (6), the output shaft of the steam turbine and institute
The input shaft for stating reductor is connected by first shaft coupling (7), the input of the output shaft of the reductor and the water circulating pump
Axle is connected by second shaft coupling (8), and the steam inlet house steward includes the first steam branch pipe (9) and the second steam branch pipe
(10), first steam branch pipe is communicated with the import of the steam turbine, and first steam branch pipe is provided with pressure regulator valve
(13), the exhaust line (12) of second steam branch pipe and the steam turbine is collectively incorporated into the steam (vapor) outlet house steward, and institute
Exhaust line is stated provided with pressure regulator valve, second steam branch pipe is provided with pressure regulator valve (13), the steam (vapor) outlet house steward and institute
Gas making cushion dashpot is stated to communicate；
The system also includes petrol station system (14) and the high-order reserve fuel tank being connected with the petrol station system by oil pipe
(15), the petrol station system by oil pipe and the rotating shaft of the steam turbine, the output shaft of the steam turbine, the decelerator it is defeated
Enter axle, the output shaft of the decelerator to connect with the input shaft of the water circulating pump and fuel feeding, and the petrol station system with it is described
The rotating shaft of steam turbine, the output shaft of the steam turbine, the input shaft of the decelerator, the output shaft of the decelerator and described follow
Regulating valve (11) is all provided with oil pipe between the input shaft of ring water pump.
2. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：The steam turbine
Provided with speed regulator.
3. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：The steam turbine
It is the back pressure turbine that rated power is 700KW.
4. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：The high position is standby
Pressure check valve is used to the control of oil pipe with fuel tank.
5. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：The steamdrum
Include the high steam that the heat exchanger of synthesis ammonia is produced.
6. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：Described first
Axle device and the second shaft coupling are all laminated spring shaft coupling.
7. a kind of steam-operating Circulating Pump System of coal plant according to claim 1, it is characterised in that：Described second steams
The pressure regulator valve that vapour branch pipe is provided with is pressure-reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720112759.8U CN206503686U (en) | 2017-02-07 | 2017-02-07 | A kind of steam-operating Circulating Pump System of coal plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720112759.8U CN206503686U (en) | 2017-02-07 | 2017-02-07 | A kind of steam-operating Circulating Pump System of coal plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503686U true CN206503686U (en) | 2017-09-19 |
Family
ID=59833197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720112759.8U Expired - Fee Related CN206503686U (en) | 2017-02-07 | 2017-02-07 | A kind of steam-operating Circulating Pump System of coal plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503686U (en) |
-
2017
- 2017-02-07 CN CN201720112759.8U patent/CN206503686U/en not_active Expired - Fee Related
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Legal Events
| 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: 20170919 Termination date: 20220207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |