CN206175007U - Steam turbine shaft seal leaks vapour waste heat recovery device - Google Patents
Steam turbine shaft seal leaks vapour waste heat recovery device Download PDFInfo
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- CN206175007U CN206175007U CN201621126869.1U CN201621126869U CN206175007U CN 206175007 U CN206175007 U CN 206175007U CN 201621126869 U CN201621126869 U CN 201621126869U CN 206175007 U CN206175007 U CN 206175007U
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Abstract
The utility model discloses a steam turbine shaft seal leaks vapour waste heat recovery device, including bearing frame, generator, first bearing case, gas leakage pipeline, steam turbine, the axle adds, second bearing case, and main steam pipeline, the warm water pipeline, the equalization box, vice steam conduit subtracts the warm water pipe, nozzle, temperature controller, pressure controller, low adding. The utility model discloses simple structure, the cost is lower, and the operation of being convenient for lies in especially the utility model discloses set up correct pipeline and subtract warm pipeline on one side of the equalization box, can join the heating steam that low pressure feed water heater admission pipeline and low pressure feed water heater were introduced through the steam conduit to the inside steam of equalization box, an effectual reduction power plant steam turbine bearing seal all has hourglass vapour phenomenon in various degree to the axle gland leak -off leaks the outside can lead to the fact the pollution to the environment, adds the utility model discloses the pollution problem that can effectual reduction causes the surrounding environment, the utility model discloses simple to operate, beneficial effect are comparatively obvious, can be used to use widely.
Description
Technical field
This utility model is related to steam-turbine plant, specially a kind of turbine shaft leak sealing vapour waste-heat recovery device, belongs to electricity
Power equipment application technical field.
Background technology
Although China's energy total amount is enriched, occupancy volume per person only accounts for the half of whole world occupancy volume per person, with work
The quickening energy shortage of industry process, problem of environmental pollution gradually spills cruelly, and directly governs China's Economic Sustainability
Exhibition.And power plant is the rich and influential family of AND ENERGY RESOURCES CONSUMPTION IN CHINA and disposal of pollutants, the utilization of power plant primary energy is improved to energy-saving and emission-reduction,
Cut operating costs and have great significance.The pre- heat recovery system of this utility model patent turbine shaft leak sealing vapour utilizes steam turbine
Gland packing leakage so as to reducing environmental pollution and improving power plant economic benefit, cuts operating costs lifting the temperature of condensate.
Generation current factory turbine shaft seal has different degrees of leakage vapour phenomenon, and the turbine shaft leak sealing vapour having is very
It is severe.Turbine shaft leak sealing vapour main harm has two aspects：1. the high temperature vapour that turbine shaft seal spills will be along bearing housing
Oil catch condense into water into bearing housing, pollution steam turbine oil makes steam turbine oil emulsifying.This will directly threaten Steam Turbine
Safe operation.2. gland packing leakage leaks into outside meeting to environment.The main cause of turbine shaft leak sealing vapour is, steamer
Machine becomes big through a period of time operation rear shaft seal gap, and the at this moment leakage quantitative change of gland steam is big, while surge tank pressure also can
Raise because gland steam leakage rate is increased, ultimately result in turbine shaft gland sealing steam exhaust and be not freely leaked to outside, therefore, for upper
State problem and propose a kind of turbine shaft leak sealing vapour waste-heat recovery device.
Utility model content
The purpose of this utility model is that and provide that a kind of turbine shaft leak sealing vapour waste heat is returned in order to solve the above problems
Receiving apparatus.
This utility model is achieved through the following technical solutions above-mentioned purpose, a kind of turbine shaft leak sealing vapour waste heat recovery dress
Put, including bearing block and the electromotor installed in the bearing block side, the electromotor side is provided with clutch shaft bearing case,
The clutch shaft bearing case side is connected with leaking gas conduit, and described leaking gas conduit one end is provided with axle and adds, and the clutch shaft bearing case
Side is provided with steam turbine, and the steam turbine side is provided with second bearing case, and the second bearing case lower section is connected with presses
Case, surge tank top is connected with main steam line, and the main steam line lower section is connected with warm water pipe, and described presses
Case side is connected with secondary jet chimney, and the secondary jet chimney middle setting has nozzle, and the nozzle lower section is provided with desuperheating water
Pipe, and described secondary jet chimney one end is connected with temperature controller, the temperature controller lower section is provided with pressure controller, institute
State pressure controller lower section and be provided with low adding.
Preferably, the electromotor is electrically connected with controlling switch.
Preferably, the steam turbine is connected with being added by the pipeline and lower section axle.
Preferably, it is to be fixedly connected between the bearing block and the electromotor.
Preferably, the trapezoidal structure of the steam turbine.
The beneficial effects of the utility model are：This utility model simple structure, cost is relatively low, is easy to operation, it is preferred that emphasis is
This utility model is provided with proper conduit and desuperheat pipeline in surge tank side, the steam inside surge tank can be passed through into steam
Pipeline introduces low-pressure heater steam inlet pipe road and converges with the vapourss that add of low-pressure heater, effectively reduces temperature of power plant steam turbine axle
Feng Douyou different degrees of leakage vapour phenomenon, and gland packing leakage leaks into outside meeting to environment, add this practicality new
Type can effectively reduce the pollution problem caused to surrounding, this utility model simple structure, easy for installation, beneficial effect
More substantially, can be used to promote the use of.
Description of the drawings
Fig. 1 is this utility model overall structure diagram；
In figure：1st, bearing block, 2, electromotor, 3, clutch shaft bearing case, 4, leaking gas conduit, 5, steam turbine, 6, axle add, 7, second
Bearing housing, 8, main steam line, 9, warm water pipe, 10, surge tank, 11, secondary jet chimney, 12, desuperheat water pipe, 13, nozzle,
14th, temperature controller, 15, pressure controller, 16, it is low plus.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to shown in Fig. 1, a kind of turbine shaft leak sealing vapour waste-heat recovery device, including bearing block 1 and installed in axle
The electromotor 2 of the side of bearing 1, the side of electromotor 2 is provided with clutch shaft bearing case 3, and the side of clutch shaft bearing case 3 is connected with leaking gas conduit
4, the one end of leaking gas conduit 4 is provided with axle and plus 6, and the side of clutch shaft bearing case 3 is provided with steam turbine 5, and the side of steam turbine 5 is provided with
Two bearing housings 7, the lower section of second bearing case 7 is connected with surge tank 10, and the top of surge tank 10 is connected with main steam line 8, main steam
The lower section of pipeline 8 is connected with warm water pipe 9, and the side of surge tank 10 is connected with secondary jet chimney 11, sets in the middle of secondary jet chimney 11
Nozzle 13 is equipped with, the lower section of nozzle 13 is provided with desuperheat water pipe 12, and secondary one end of jet chimney 11 is connected with temperature controller 14, temperature
Degree controller 14 lower section is provided with pressure controller 15, and the lower section of pressure controller 15 is provided with low Jia 16.
Used as a kind of technical optimization scheme of the present utility model, the electromotor 2 is electrically connected with controlling switch, increases
The integrally-built stability of device and electrically control are stable.
As a kind of technical optimization scheme of the present utility model, steam turbine 5 with add 6 with lower square shaft by pipeline and be connected, it is real
The auto-control of existing device, effectively uses manpower and material resources sparingly.
As a kind of technical optimization scheme of the present utility model, to be fixedly connected between bearing block 1 and electromotor 2, effectively
The stability for strengthening electromotor 2.
As a kind of technical optimization scheme of the present utility model, the trapezoidal structure of steam turbine 5, the steady of steam turbine 5 is increased
Fixed structure.
This utility model when in use, passes through the steam of φ 89 in figure 400 °C or so inside surge tank of steam first
Pipeline introduces low-pressure heater steam inlet pipe road and converges with the vapourss that add of low-pressure heater, and steam will before into low-pressure heater
First temperature is dropped to and is close to low-pressure heater throttle (steam) temperature.Valve above the switch desuperheat waterpipes of φ 32 can adjust steam
Temperature.Valve above the switch jet chimneys of φ 89 can adjust the internal pressure of surge tank.Surge tank reduced pressure is with rear axle
Gland leak-off just can smoothly drain into surge tank, so as to prevent turbine shaft leak sealing vapour.So solution has not only been determined turbine shaft leak sealing vapour
Problem, and make use of the vapor (steam) temperature that axle envelope is revealed to heat the condensing water temperature into low-pressure heater（Condensing water temperature
4 to 5 °C will be raised), and the temperature of desuperheating water will be lifted to 90 °C or so by original 40 °C or so.
The beneficial effects of the utility model：This utility model simple structure, cost is relatively low, is easy to operation, it is preferred that emphasis is this
Utility model is provided with proper conduit and desuperheat pipeline in surge tank side, the steam inside surge tank can be passed through into steam pipe
Road introduces low-pressure heater steam inlet pipe road and converges with the vapourss that add of low-pressure heater, effectively reduces temperature of power plant steam turbine axle envelope
There is different degrees of leakage vapour phenomenon, and gland packing leakage leaks into outside meeting to environment, adds this utility model
The pollution problem caused to surrounding can effectively be reduced, this utility model simple structure is easy for installation, beneficial effect compared with
For obvious, can be used to promote the use of.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of turbine shaft leak sealing vapour waste-heat recovery device, including bearing block（1）And installed in the bearing block（1）Side
Electromotor（2）, it is characterised in that：The electromotor（2）Side is provided with clutch shaft bearing case（3）, the clutch shaft bearing case（3）
Side is connected with leaking gas conduit（4）, the leaking gas conduit（4）One end is provided with axle and adds（6）, and the clutch shaft bearing case（3）One
Side is provided with steam turbine（5）, the steam turbine（5）Side is provided with second bearing case（7）, the second bearing case（7）Lower section
It is connected with surge tank（10）, the surge tank（10）Top is connected with main steam line（8）, the main steam line（8）Lower section
It is connected with warm water pipe（9）, and the surge tank（10）Side is connected with secondary jet chimney（11）, the secondary jet chimney（11）
Middle setting has nozzle（13）, the nozzle（13）Lower section is provided with desuperheat water pipe（12）, and the secondary jet chimney（11）One
End is connected with temperature controller（14）, the temperature controller（14）Lower section is provided with pressure controller（15）, the pressure control
Device processed（15）Lower section is provided with low adding（16）.
2. a kind of turbine shaft leak sealing vapour waste-heat recovery device according to claim 1, it is characterised in that：The electromotor
（2）Electrically it is connected with controlling switch.
3. a kind of turbine shaft leak sealing vapour waste-heat recovery device according to claim 1, it is characterised in that：The steam turbine
（5）Added by the pipeline and lower section axle（6）Connection.
4. a kind of turbine shaft leak sealing vapour waste-heat recovery device according to claim 1, it is characterised in that：The bearing block
（1）With the electromotor（2）Between to be fixedly connected.
5. a kind of turbine shaft leak sealing vapour waste-heat recovery device according to claim 1, it is characterised in that：The steam turbine
（5）Trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126869.1U CN206175007U (en) | 2016-10-17 | 2016-10-17 | Steam turbine shaft seal leaks vapour waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126869.1U CN206175007U (en) | 2016-10-17 | 2016-10-17 | Steam turbine shaft seal leaks vapour waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175007U true CN206175007U (en) | 2017-05-17 |
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ID=58677845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621126869.1U Active CN206175007U (en) | 2016-10-17 | 2016-10-17 | Steam turbine shaft seal leaks vapour waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175007U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894850A (en) * | 2017-04-26 | 2017-06-27 | 全南县韬寻机械设备开发有限公司 | A kind of device for preventing gasoline engine from leaking vapour |
| CN108104892A (en) * | 2017-12-30 | 2018-06-01 | 荣成市固废综合处理与应用产业园有限公司 | Turbo-generator Set gland-packing leakage system |
-
2016
- 2016-10-17 CN CN201621126869.1U patent/CN206175007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894850A (en) * | 2017-04-26 | 2017-06-27 | 全南县韬寻机械设备开发有限公司 | A kind of device for preventing gasoline engine from leaking vapour |
| CN108104892A (en) * | 2017-12-30 | 2018-06-01 | 荣成市固废综合处理与应用产业园有限公司 | Turbo-generator Set gland-packing leakage system |
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