CN205717266U - A kind of double reheat station boiler series process three stage blow tube construction of 1000WM grade - Google Patents
A kind of double reheat station boiler series process three stage blow tube construction of 1000WM grade Download PDFInfo
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- CN205717266U CN205717266U CN201620670938.9U CN201620670938U CN205717266U CN 205717266 U CN205717266 U CN 205717266U CN 201620670938 U CN201620670938 U CN 201620670938U CN 205717266 U CN205717266 U CN 205717266U
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Abstract
The utility model discloses the double reheat station boiler series process three stage blow tube construction of a kind of 1000WM grade, including starting separator, superheater, first supertension main inlet throttle-stop valve, second supertension main inlet throttle-stop valve, first interim blowpipe door, second interim blowpipe door, high pressure bypass valve, high pressure turbine by blows door temporarily, first closure plate, second closure plate, 3rd closure plate, 4th closure plate, 5th closure plate, single reheat device, secondary reheater, steam discharge mother manages, first high-pressure main throttle valve, second high-pressure main throttle valve, intermediate pressure by-pass valve, middle pressure blows door temporarily, first intermediate pressure main stop valve and the second intermediate pressure main stop valve, this blow tube construction meets double reheat power generation sets.
Description
Technical field
This utility model relates to a kind of blow tube construction, is specifically related to the double reheat station boiler string of a kind of 1000WM grade
Connection method three stage blow tube construction.
Background technology
Present Thermal Power industry subjects the hugest environmental protection pressure, and the coal-fired power generator set of popularization and application clean and effective is
The main outlet of thermoelectricity industry future development.Research shows, increases reheating number of times, improves steam parameter, it is possible to effectively reduce coal
Consumption, improves unit efficiency.Using double reheat technology is also to reduce the discharge of the burning pollutant such as carbon dioxide and nitrogen oxides
One of main path, therefore large-capacity ultra-supercritical double reheat power generation sets will be the leading of China's 8-10 in future Development of Thermal Power Plant Engineering
Direction.
1000MW double reheat extra-supercritical unit have employed the steam turbine entrance of 32.87MPa/605 DEG C/623 DEG C/623 DEG C
Parameter, unit efficiency compares domestic conventional ultra supercritical single reheat unit and improves about 2.2%, and generating efficiency is up to 47.95%.
The conventional million low 14g/kWh of unit are compared in 1000MW double reheat tower boiler coal consumption, can reduce nearly 80,000 tons of coals every year and disappear
Consumption, about reduces CO2Discharge capacity 220,000 tons, double reheat technology has boundless application prospect.
Double reheat extra-supercritical unit adds a set of double reheat system in boiler side so that therrmodynamic system structure cloth
Putting more increasingly complex than single reheat unit, the resistance of tubing is bigger, and the regulation and control of steam temperature are the most difficult, and this gives unit starting
Blowpipe work brings new challenge.The domestic double reheat power generation sets negligible amounts put into operation at present, operating experience more lacks, therefore
Need badly and explore the boiler blow piping system being applicable to double reheat power generation sets, to ensure startup effect and the safe operation of new unit.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, it is provided that the secondary of a kind of 1000WM grade
Reheating station boiler series process three stage blow tube construction, this blow tube construction meets double reheat power generation sets.
For reaching above-mentioned purpose, double reheat station boiler series process three rank of 1000WM grade described in the utility model
Section blow tube construction includes starting separator, superheater, the first supertension main inlet throttle-stop valve, the second supertension main inlet throttle-stop valve, first blowing temporarily
Guan Men, the second interim blowpipe door, high pressure bypass valve, high pressure turbine by blow temporarily door, the first closure plate, the second closure plate, the 3rd closure plate,
Four closure plates, the 5th closure plate, single reheat device, secondary reheater, steam discharge mother pipe, the first high-pressure main throttle valve, the second high-pressure main throttle valve,
Intermediate pressure by-pass valve, middle pressure blow door, the first intermediate pressure main stop valve and the second intermediate pressure main stop valve temporarily.
Start separator to be connected with the entrance of superheater, the outlet of superheater respectively with the entering of the first supertension main inlet throttle-stop valve
The entrance of mouth and the second supertension main inlet throttle-stop valve is connected, the outlet of the first supertension main inlet throttle-stop valve and the entrance of the first interim blowpipe door
Being connected, the outlet of the second supertension main inlet throttle-stop valve is connected with the entrance of the second interim blowpipe door, the entrance of high pressure bypass valve with
The entrance of the first supertension main inlet throttle-stop valve and the entrance of the second supertension main inlet throttle-stop valve are connected, by the outlet of high pressure bypass valve and high pressure
Road is blown the entrance of door temporarily and is connected, and it is interim that high pressure turbine by blows the outlet of door, the outlet of the first interim blowpipe door and second temporarily
The outlet of blowpipe door is divided into two-way after piping pipe, and wherein road first closure plate is connected with the entrance of single reheat device
Logical, another road second closure plate is connected with steam discharge mother's pipe；
The outlet of single reheat device is connected with the entrance of the first high-pressure main throttle valve and the entrance of the second high-pressure main throttle valve, in
The entrance of pressure bypass valve and the entrance of the entrance of the first high-pressure main throttle valve and the second high-pressure main throttle valve are connected, intermediate pressure by-pass valve
Outlet is blown the entrance of door temporarily and is connected with middle pressure, and middle pressure blows the outlet of door, the outlet of the first high-pressure main throttle valve and second temporarily
The outlet of high-pressure main throttle valve is divided into two-way after piping pipe, wherein the entrance phase of road the 3rd closure plate and secondary reheater
Connection, another Lu Jing tetra-closure plate is connected with steam discharge mother's pipe, the outlet of secondary reheater and the entrance of the first intermediate pressure main stop valve
And second the entrance of intermediate pressure main stop valve be connected, the outlet of the first intermediate pressure main stop valve and the outlet of the second intermediate pressure main stop valve are through pipe
It is connected with steam discharge mother's pipe through the 5th closure plate behind road pipe.
Steam discharge mother's pipe is provided with target plate and deafener.
Also include low voltage bypass, wherein the entering of low voltage bypass and the entrance of the first intermediate pressure main stop valve and the second intermediate pressure main stop valve
Mouth is connected.
The outlet of superheater enters through main steam pipe and the entrance of the first supertension main inlet throttle-stop valve and the second supertension main inlet throttle-stop valve
Mouth is connected.
The outlet of single reheat device is through single reheat heat pipe and the entrance of the first high-pressure main throttle valve and the second high-pressure main throttle valve
Entrance be connected.
The outlet of secondary reheater is through double reheat heat pipe and the entrance of the first intermediate pressure main stop valve and the second intermediate pressure main stop valve
Entrance be connected.
High pressure turbine by blows the outlet of door, the outlet of the first interim blowpipe door and the outlet warp of the second interim blowpipe door 8 temporarily
Being divided into two-way after piping pipe, wherein a road is connected with the entrance of single reheat device through cold section of single reheat pipe, another road
Being connected with steam discharge mother's pipe through the second closure plate, wherein, the first closure plate is located on cold section of pipe of single reheat.
Middle pressure blows the outlet of the outlet of door, the outlet of the first high-pressure main throttle valve and the second high-pressure main throttle valve through piping temporarily
And after pipe, it is divided into two-way, wherein road the 4th closure plate is connected with steam discharge mother's pipe, and another road is through cold section of double reheat pipe and two
The entrance of secondary reheater is connected, and the 3rd closure plate is located on cold section of pipe of double reheat.
This utility model has the advantages that
The double reheat station boiler series process three stage blow tube construction of 1000WM grade described in the utility model is at tool
During body running, by the superheater in double reheat power generation sets, single reheat device, secondary reheater are carried out orderly series connection, subtract
The workload of temporary system is installed less, in purge, by control the first closure plate, the second closure plate, the 3rd closure plate, the 4th block up
Plate and the folding of the 5th closure plate, it is achieved the progressive purging to superheater, single reheat device and secondary reheater, simple in construction, behaviour
Facilitating, practicality is extremely strong, and the quality of blowpipe is the most reliable.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Wherein, 1 be start separator, 2 be the outlet of superheater, 3 be main steam pipe, 41 be the first supertension main inlet throttle-stop valve,
42 be the second supertension main inlet throttle-stop valve, 5 be high pressure bypass valve, 6 for high pressure turbine by blow temporarily door, 7 be the first interim blowpipe door, 8 be
Second interim blowpipe door, 9 for cold section of single reheat pipe, 10 be the entrance of single reheat device, 11 be the outlet of single reheat device, 12
For single reheat heat pipe, 131 be the first high-pressure main throttle valve, 132 be second high-pressure main throttle valve, 14 be intermediate pressure by-pass valve, 15 be
Pressure blow temporarily door, 16 be cold section of double reheat pipe, 17 be the entrance of secondary reheater, 18 be the outlet of secondary reheater, 19 be
Double reheat heat pipe, 201 be the first intermediate pressure main stop valve, 202 be the second intermediate pressure main stop valve, 21 for low voltage bypass, 22 for target plate, 23
For deafener.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
With reference to Fig. 1, the double reheat station boiler series process three stage blowpipe of 1000WM grade described in the utility model
Structure includes starting separator 1, superheater, the first interim blowpipe of supertension main inlet throttle-stop valve the 41, second supertension main inlet throttle-stop valve 42, first
Door the 7, second interim blowpipe door 8, high pressure bypass valve 5, high pressure turbine by blow temporarily door the 6, first closure plate, the second closure plate, the 3rd closure plate,
4th closure plate, the 5th closure plate, single reheat device, secondary reheater, steam discharge mother pipe, first high-pressure main throttle valve the 131, second high pressure master
Porthole 132, intermediate pressure by-pass valve 14, middle pressure blow door the 15, first intermediate pressure main stop valve 201 and the second intermediate pressure main stop valve 202 temporarily.Start
Separator 1 is connected with the entrance of superheater, the outlet 2 of superheater respectively with the entrance and second of the first supertension main inlet throttle-stop valve 41
The entrance of supertension main inlet throttle-stop valve 42 is connected, the outlet of the first supertension main inlet throttle-stop valve 41 and the entrance phase of the first interim blowpipe door 7
Connection, the outlet of the second supertension main inlet throttle-stop valve 42 is connected with the entrance of the second interim blowpipe door 8, the entrance of high pressure bypass valve 5
It is connected with the entrance of the first supertension main inlet throttle-stop valve 41 and the entrance of the second supertension main inlet throttle-stop valve 42, the outlet of high pressure bypass valve 5
The entrance temporarily blowing door 6 with high pressure turbine by is connected, and high pressure turbine by blows the outlet of door 6, the outlet of the first interim blowpipe door 7 temporarily
And second the outlet of interim blowpipe door 8 after piping pipe, be divided into two-way, wherein road first closure plate and single reheat device
Entrance 10 be connected, another road second closure plate is connected with steam discharge mother's pipe；The outlet 11 of single reheat device and the first high pressure
The entrance of main inlet throttle-stop valve 131 and the entrance of the second high-pressure main throttle valve 132 are connected, the entrance of intermediate pressure by-pass valve 14 and the first high pressure master
The entrance of porthole 131 and the entrance of the second high-pressure main throttle valve 132 are connected, and the outlet of intermediate pressure by-pass valve 14 and middle pressure blow door temporarily
The entrance of 15 is connected, and middle pressure blows the outlet of door 15, the outlet of the first high-pressure main throttle valve 131 and the second high-pressure main throttle valve temporarily
The outlet of 132 is divided into two-way after piping pipe, and wherein road the 3rd closure plate is connected with the entrance 17 of secondary reheater,
Another Lu Jing tetra-closure plate is connected with steam discharge mother's pipe, the outlet 18 of secondary reheater and the entrance of the first intermediate pressure main stop valve 201
And second the entrance of intermediate pressure main stop valve 202 be connected, the outlet of the first intermediate pressure main stop valve 201 and the second intermediate pressure main stop valve 202
Outlet is connected with steam discharge mother's pipe through the 5th closure plate after piping pipe.
It should be noted that steam discharge mother's pipe is provided with target plate 22 and deafener 23；This utility model also includes low voltage bypass
21, wherein low voltage bypass 21 is connected with the entrance of the first intermediate pressure main stop valve 201 and the entrance of the second intermediate pressure main stop valve 202；Cross
The outlet 2 of hot device is through the entrance of main steam pipe 3 and the first supertension main inlet throttle-stop valve 41 and the entrance phase of the second supertension main inlet throttle-stop valve 42
Connection；The outlet 11 of single reheat device is through single reheat heat pipe 12 and the entrance of the first high-pressure main throttle valve 131 and the second high pressure master
The entrance of porthole 132 is connected；The outlet 18 of secondary reheater enters through double reheat heat pipe 19 and the first intermediate pressure main stop valve 201
The entrance of mouth and the second intermediate pressure main stop valve 202 is connected.
High pressure turbine by blows the outlet of door 6, the outlet of the first interim blowpipe door 7 and the outlet of the second interim blowpipe door 8 temporarily
Being divided into two-way after piping pipe, wherein a road is connected, separately with the entrance 10 of single reheat device through cold section of pipe 9 of single reheat
One tunnel the second closure plate is connected with steam discharge mother's pipe, and wherein, the first closure plate is located on cold section of pipe 9 of single reheat.
Middle pressure blows the outlet of door 15, the outlet of the first high-pressure main throttle valve 131 and the outlet of the second high-pressure main throttle valve 132 temporarily
Being divided into two-way after piping pipe, wherein road the 4th closure plate is connected with steam discharge mother's pipe, and another road is cold through double reheat
Section pipe 16 is connected with the entrance 17 of secondary reheater, and the 3rd closure plate is located on cold section of pipe 16 of double reheat.
This utility model divides three steps to clean boiler heating surface pipeline, first step purging superheater and attachment tube thereof
Road, carries out first stage target practice inspection after completing；Superheater is connected by second step with single reheat device, purges each heating surface tube
Road, carries out second stage target practice inspection after completing；3rd step series connection purging superheater, single reheat device and secondary reheater and
Subsidiary pipeline, carries out phase III target practice inspection after completing.
Concrete, the first stage, close the first closure plate, the 3rd closure plate, the 4th closure plate and the 5th closure plate, open second and block up
Plate, after ignition of the boiler, controls increasing temperature and pressure speed, after reaching setting value until vapor (steam) temperature and pressure, opens first interim
Blowpipe door 7 and the second interim blowpipe door 8, it is interim that steam enters the first interim blowpipe door 7 and second through superheater and main steam pipe 3
Blowpipe door 8, and eventually enter into steam discharge mother pipe, then flowing through deafener 23 and enter air, complete once to purge, steam blowing is certain
After number of times, then target plate 22 is installed and carries out inspection of practicing shooting, check that pipeline purges effect；When purging high pressure turbine by pipeline, by high pressure
Road is blown door 6 temporarily and is held open state, and the outlet of steam self-starting separator 1 is through the outlet 2 of superheater and main steam pipe 3,
Enter steam discharge mother pipe eventually；After purging certain number of times, target plate 22 is installed and carries out inspection of practicing shooting, check purging effect.
Second stage, opens the first closure plate and the 4th closure plate, closes the second closure plate, the 3rd closure plate and the 5th closure plate, boiler
After igniting, control increasing temperature and pressure speed, after vapor (steam) temperature and pressure reach setting value, keep high pressure bypass valve 5 to close, open
Opening the first interim blowpipe door 7 and the second interim blowpipe door 8, steam enters the first interim blowpipe door 7 from superheater and main steam pipe 3
And the second interim blowpipe door 8, then sequentially enter cold section of pipe 9 of single reheat, the entrance 10 of single reheat device, the going out of single reheat device
Enter in steam discharge mother's pipe, so after mouth 11, single reheat heat pipe the 12, first high-pressure main throttle valve 131 and the second high-pressure main throttle valve 132
Enter air by deafener 23, complete the purging successively of steam, after the certain number of times of steam blowing, target plate 22 is installed and practices shooting
Inspection, checks that pipeline purges effect.During purging intermediate pressure by-pass pipeline, middle pressure blows door 15 temporarily and intermediate pressure by-pass valve 14 is held open
State, the outlet of steam self-starting separator 1 blows door 15 and intermediate pressure by-pass valve 14 through superheater, single reheat device, middle pressure temporarily
Enter steam discharge mother pipe, complete once to purge, after purging certain number of times, target plate 22 is installed and carries out inspection of practicing shooting, check purging effect.
Phase III, open the first closure plate, the 3rd closure plate and the 5th closure plate, close the second closure plate and the 4th closure plate, boiler
After igniting, control increasing temperature and pressure speed, after vapor (steam) temperature and pressure reach setting value, keep high pressure bypass valve 5, middle pressure other
Road valve 14 cuts out, and opens the first interim blowpipe door 7 and the second interim blowpipe door 8, and steam enters the from superheater and main steam pipe 3
One interim blowpipe door 7 and the second interim blowpipe door 8, then through cold section of pipe 9 of single reheat, the entrance 10 of single reheat device, the most again
The outlet 11 of hot device, single reheat heat pipe the 12, first high-pressure main throttle valve the 131, second high-pressure main throttle valve 132, cold section of double reheat
Pipe 16, the entrance 17 of secondary reheater, the outlet 18 of secondary reheater, double reheat heat pipe 19 enter into the first intermediate pressure main stop valve
201 and second in intermediate pressure main stop valve 202, then it is female to enter steam discharge through the first intermediate pressure main stop valve 201 and the second intermediate pressure main stop valve 202
Pipe, then passes through deafener 23 and enters in air, complete once to purge, and after the certain number of times of steam blowing, installs target plate 22 and enters
Row is practiced shooting and is checked, and checks that pipeline purges effect.
Claims (8)
1. the double reheat station boiler series process three stage blow tube construction of a 1000WM grade, it is characterised in that include opening
Flow separator (1), superheater, the first supertension main inlet throttle-stop valve (41), the second supertension main inlet throttle-stop valve (42), the first interim blowpipe door
(7), the second interim blowpipe door (8), high pressure bypass valve (5), high pressure turbine by blow temporarily door (6), the first closure plate, the second closure plate,
Three closure plates, the 4th closure plate, the 5th closure plate, single reheat device, secondary reheater, steam discharge mother pipe, the first high-pressure main throttle valve (131),
Second high-pressure main throttle valve (132), intermediate pressure by-pass valve (14), middle pressure blow door (15), the first intermediate pressure main stop valve (201) and second temporarily
Intermediate pressure main stop valve (202)；
Start separator (1) be connected with the entrance of superheater, the outlet (2) of superheater respectively with the first supertension main inlet throttle-stop valve
(41) entrance and the entrance of the second supertension main inlet throttle-stop valve (42) are connected, the outlet and first of the first supertension main inlet throttle-stop valve (41)
The entrance of interim blowpipe door (7) is connected, the outlet of the second supertension main inlet throttle-stop valve (42) and the entrance of the second interim blowpipe door (8)
It is connected, the entrance of high pressure bypass valve (5) and the entrance of the first supertension main inlet throttle-stop valve (41) and the second supertension main inlet throttle-stop valve (42)
Entrance be connected, the outlet of high pressure bypass valve (5) is blown the entrance of door (6) temporarily and is connected with high pressure turbine by, and high pressure turbine by faces
Time blow the outlet of the outlet of door (6), the outlet of the first interim blowpipe door (7) and the second interim blowpipe door (8) and through piping and manage
After be divided into two-way, wherein road first closure plate is connected with the entrance (10) of single reheat device, another road second closure plate with
Steam discharge mother's pipe is connected；
The outlet (11) of single reheat device and the entrance of the first high-pressure main throttle valve (131) and entering of the second high-pressure main throttle valve (132)
Mouth is connected, the entrance of intermediate pressure by-pass valve (14) and the entrance of the first high-pressure main throttle valve (131) and the second high-pressure main throttle valve (132)
Entrance be connected, the outlet of intermediate pressure by-pass valve (14) is blown the entrance of door (15) temporarily and is connected with middle pressure, and middle pressure blows door temporarily
(15) outlet of outlet, the outlet of the first high-pressure main throttle valve (131) and the second high-pressure main throttle valve (132) is after piping pipe
Being divided into two-way, wherein road the 3rd closure plate is connected with the entrance (17) of secondary reheater, another Lu Jing tetra-closure plate and row
Vapour mother's pipe is connected, the outlet (18) of secondary reheater and the entrance of the first intermediate pressure main stop valve (201) and the second intermediate pressure main stop valve
(202) entrance is connected, and the outlet of the first intermediate pressure main stop valve (201) and the outlet of the second intermediate pressure main stop valve (202) are through pipe
It is connected with steam discharge mother's pipe through the 5th closure plate behind road pipe.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 1, its
Being characterised by, steam discharge mother's pipe is provided with target plate (22) and deafener (23).
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 1, its
It is characterised by, also includes low voltage bypass (21), wherein low voltage bypass (21) and the entrance and second of the first intermediate pressure main stop valve (201)
The entrance of intermediate pressure main stop valve (202) is connected.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 1, its
Being characterised by, the outlet (2) of superheater is through the entrance of main steam pipe (3) and the first supertension main inlet throttle-stop valve (41) and the second supertension
The entrance of main inlet throttle-stop valve (42) is connected.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 1, its
Be characterised by, the outlet (11) of single reheat device through single reheat heat pipe (12) and the first high-pressure main throttle valve (131) entrance and
The entrance of the second high-pressure main throttle valve (132) is connected.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 5, its
Be characterised by, the outlet (18) of secondary reheater through double reheat heat pipe (19) and the first intermediate pressure main stop valve (201) entrance and
The entrance of the second intermediate pressure main stop valve (202) is connected.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 1, its
Being characterised by, high pressure turbine by blows the outlet of door (6), the outlet of the first interim blowpipe door (7) and the second interim blowpipe door (8) temporarily
Outlet after piping pipe, be divided into two-way, wherein a road is through the entrance of cold section of single reheat pipe (9) Yu single reheat device
(10) being connected, another road second closure plate is connected with steam discharge mother's pipe, and wherein, the first closure plate is located at cold section of single reheat pipe
(9) on.
The double reheat station boiler series process three stage blow tube construction of 1000WM grade the most according to claim 7, its
Being characterised by, middle pressure blows the outlet of door (15), the outlet of the first high-pressure main throttle valve (131) and the second high-pressure main throttle valve temporarily
(132) outlet is divided into two-way after piping pipe, and wherein road the 4th closure plate is connected with steam discharge mother's pipe, another road warp
Cold section of double reheat pipe (16) is connected with the entrance (17) of secondary reheater, and the 3rd closure plate is located at cold section of double reheat pipe (16)
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670938.9U CN205717266U (en) | 2016-06-29 | 2016-06-29 | A kind of double reheat station boiler series process three stage blow tube construction of 1000WM grade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620670938.9U CN205717266U (en) | 2016-06-29 | 2016-06-29 | A kind of double reheat station boiler series process three stage blow tube construction of 1000WM grade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205717266U true CN205717266U (en) | 2016-11-23 |
Family
ID=57317397
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620670938.9U Expired - Fee Related CN205717266U (en) | 2016-06-29 | 2016-06-29 | A kind of double reheat station boiler series process three stage blow tube construction of 1000WM grade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205717266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972623A (en) * | 2016-06-29 | 2016-09-28 | 西安热工研究院有限公司 | 1000WM-level secondary reheating power station and boiler series-connection method three-stage blowpipe structure |
| CN108019735A (en) * | 2017-12-22 | 2018-05-11 | 山东中实易通集团有限公司 | A kind of double reheat power generation sets steam blowing out by pressure reduction system and method |
-
2016
- 2016-06-29 CN CN201620670938.9U patent/CN205717266U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972623A (en) * | 2016-06-29 | 2016-09-28 | 西安热工研究院有限公司 | 1000WM-level secondary reheating power station and boiler series-connection method three-stage blowpipe structure |
| CN105972623B (en) * | 2016-06-29 | 2018-06-22 | 西安热工研究院有限公司 | A kind of double reheat station boiler three stage of series process blow tube construction of 1000WM grades |
| CN108019735A (en) * | 2017-12-22 | 2018-05-11 | 山东中实易通集团有限公司 | A kind of double reheat power generation sets steam blowing out by pressure reduction system and method |
| CN108019735B (en) * | 2017-12-22 | 2023-08-18 | 山东中实易通集团有限公司 | Pressure-reducing steam blowpipe system and method for secondary reheating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180629 |