CN207512137U - The device that a kind of gas making is made full use of with steam energy - Google Patents
The device that a kind of gas making is made full use of with steam energy Download PDFInfo
- Publication number
- CN207512137U CN207512137U CN201721114590.6U CN201721114590U CN207512137U CN 207512137 U CN207512137 U CN 207512137U CN 201721114590 U CN201721114590 U CN 201721114590U CN 207512137 U CN207512137 U CN 207512137U
- Authority
- CN
- China
- Prior art keywords
- steam
- buffer tank
- import
- valve
- gate valve
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model belongs to the device that a kind of gas making is made full use of with steam energy；Including 0.6MPa jet chimneys, 0.6MPa jet chimneys by threeway successively with the first electric control valve, automatic main stop valve, steam turbine, first gate valve, the import of steam superheater tube side and steam buffer tank is connected, the third end of threeway is connected by the second electric control valve with the import of steam buffer tank, the outlet of steam buffer tank is connected by the second gate valve with the steam inlet of fixed bed coal gasifier, the semiwater gas outlet of fixed bed coal gasifier is connected with the import of cyclone dust collectors, gas vent at the top of cyclone dust collectors is connected by the shell side of steam superheater with cooling scrubbing tower；Have the advantages that simple in structure, stable, maintenance and operation is convenient, reduce entreprise cost, environmental protection and energy saving, amplitude peak can utilize steam energy under the premise of gas making steam quality is ensured.
Description
Technical field
The utility model belongs to cogeneration technology field, and in particular to the dress that a kind of gas making is made full use of with steam energy
It puts.
Background technology
Static bed gas making needs to be reacted in gasification furnace with steam and coal, and required steam parameter is：Steam pressure
0.14MPa (A) (guarantee can be blown in stove), temperature requirement is not less than 210 DEG C (gas income processed is higher near this temperature), and one
As provided after steam turbine power generation by high steam.But the steam parameter that steam turbine needs provide in the actual production process is：
0.6MPa (A), 240 DEG C.The reason of steam supply parameter is high has：1st, (vapour volume is relatively small, pipe for the high easy conveying of steam pressure
Line is thinner, and line loss is small).2nd, back pressure turbine exhaust steam pressure determines exhaust temperature, if exhaust steam pressure was set
Low, then exhaust temperature accordingly reduces, and additional pipeline heat loss is big, it is possible to 210 DEG C of requirement be not achieved.In addition, actual motion
In, 0.6MPa (A) steam is decompressed to 0.14MPa (A) by pressure reducing valve, causes a large amount of energy dissipations (4 times of expansion multiplying power).
Utility model content
The purpose of the utility model is to overcome in the prior art the defects of, and provide one kind can ensure gas making steaming
Under the premise of vapour quality, device that amplitude peak is made full use of using a kind of gas making of steam energy with steam energy.
What the purpose of this utility model was realized in：Including 0.6MPa jet chimneys, the 0.6MPa jet chimneys
By threeway successively with the first electric control valve, automatic main stop valve, steam turbine, the first gate valve, steam superheater tube side and steaming
The import of vapour surge tank is connected, and the third end of threeway is connected by the second electric control valve with the import of steam buffer tank, steam
The outlet of surge tank is connected by the second gate valve with the steam inlet of fixed bed coal gasifier, half water coal of fixed bed coal gasifier
Gas outlet is connected with the import of cyclone dust collectors, the gas vent at the top of cyclone dust collectors by the shell side of steam superheater with it is cold
But scrubbing tower is connected；The power output end of steam turbine is connected by gear-box with asynchronous machine；The asynchronous machine difference
It is connected with air blower and power grid, the air outlet of air blower is connected with the air inlet of fixed bed coal gasifier；The steam buffer tank
Top be equipped with thermal resistance, steam turbine is equipped with three groups of speed probes, the thermal resistance and speed probe respectively with DCS
System input is connected, DCS system output terminal respectively with the first electric control valve, the hydraulic actuating mechanism of automatic main stop valve,
Two electric control valves are connected with the hydraulic actuating mechanism of gear-box.It is set on pipeline between the steam turbine and the first gate valve
There is the shortcut pipeline being connected with steam buffer tank import, shortcut pipeline is equipped with third gate valve.The steam superheater tube side
The 4th gate valve is equipped between the import of steam buffer tank.
The utility model have simple in structure, stable, maintenance and operation is convenient, reduce entreprise cost, environmental protection and energy saving,
Can amplitude peak under the premise of ensureing gas making steam quality utilize steam energy the advantages of.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the control principle schematic diagram of the utility model.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, existing control description of the drawings
Specific embodiment of the present utility model, in the various figures identical label represent identical component.To make simplified form, in each figure
Only schematically show with the relevant part of utility model, they do not represent its practical structures as product.
As shown in Figure 1, 2, the utility model is the device that a kind of gas making is made full use of with steam energy, is steamed including 0.6MPa
Steam pipe road 1, the 0.6MPa jet chimneys 1 are saturating with the first electric control valve 2, automatic main stop valve 3, steam successively by threeway
Flat 4, first gate valve 5,6 tube side of steam superheater are connected with the import of steam buffer tank 7, and the third end of threeway is electronic by second
Regulating valve 8 is connected with the import of steam buffer tank 7, and the outlet of steam buffer tank 7 passes through the second gate valve 9 and fixed bed coal gasifier
10 steam inlet is connected, and the semiwater gas outlet of fixed bed coal gasifier 10 is connected with the import of cyclone dust collectors 11, whirlwind
The gas vent at 11 top of deduster is connected by the shell side of steam superheater 6 with cooling scrubbing tower 18；The power of steam turbine 4
Output terminal is connected by gear-box 12 with asynchronous machine 13；The asynchronous machine 13 respectively with 15 phase of air blower 14 and power grid
Even, the air outlet of air blower 14 is connected with the air inlet of fixed bed coal gasifier 10；The top of the steam buffer tank 7 is equipped with heat
Resistance 16, steam turbine 4 are equipped with three groups of speed probes 21, the thermal resistance 16 and speed probe 21 respectively with DCS systems
17 input terminals of uniting are connected, and 17 output terminal of DCS system performs machine with the hydraulic pressure of the first electric control valve 2, automatic main stop valve 3 respectively
Structure, the second electric control valve 8 are connected with the hydraulic actuating mechanism of gear-box 12.Between 4 and first gate valve 5 of steam turbine
Pipeline be equipped with the shortcut pipeline that is connected with 7 import of steam buffer tank, shortcut pipeline is equipped with third gate valve 19.The steaming
The 4th gate valve 20 is equipped between 6 tube side of vapour superheater and the import of steam buffer tank 7.
A kind of steam utilization method for the device that static bed coal gasification is made full use of with steam energy, the steam utilization method
Include the following steps：
Step 1：Pressure in 0.6MPa jet chimneys 1 is 0.6MPa, the steam that temperature is 240 DEG C pass through threeway the
Two ends, the first electric control valve 2 and automatic main stop valve 3 enter in steam turbine 4, and internal steam work is changed into machine by steam turbine 4
Mechanical energy is reached gear-box 12 by tool energy, and gear-box 12 adjusts rotating speed to 13 demand rotating speed of asynchronous machine, at this time asynchronous machine 13
Start to generate electricity；
Step 2：Entered in step 1 by the steam of steam turbine 4 by the first gate valve 5 and 6 tube side of steam superheater
In steam buffer tank 7, the absolute pressure by 4 steam of steam turbine is：0.16MPa, temperature are：160℃；Steam is steaming
It exchanges heat in 6 tube side of vapour superheater, the absolute pressure of steam is after heat exchange：0.14MPa, temperature are：190℃.
Step 3：Pressure in 0.6MPa jet chimneys 1 is 0.6MPa, the steam that temperature is 240 DEG C pass through threeway the
Three ends and the second electric control valve 8 enter in steam buffer tank 7, are with absolute pressure in step 2：0.14MPa, temperature are：
190 DEG C of steam is mixed；Steam absolute pressure after mixing in steam buffer tank 7 is：0.14MPa, temperature are：200~
220℃；
Step 4：Mixed vapour in steam buffer tank 7 is entered by the second gate valve 9 in fixed bed coal gasifier 10；It is different
Step motor 13 is in Generator Status, and electric energy belt driven blower 14 brings into operation, and delivers the air to fixed bed coal gasifier 10
In, air, mixed vapour and the lump coal reaction generation high temperature semiwater gas of fixed bed coal gasifier 10；High temperature semiwater gas it is exhausted
It is to pressure：0.116MPa, temperature are：215℃；
Step 5：High temperature semiwater gas is cold by being entered after 11 dedusting of cyclone dust collectors by the shell side of steam superheater 6
It washes in tower 18；The absolute pressure that high temperature semiwater gas enters before 6 shell side of steam superheater is：0.116MPa, temperature are：215℃；
High temperature semiwater gas heat exchange after absolute pressure be：0.114MPa, temperature are：170℃；
Step 6：Asynchronous machine 13 described in step 4 is in Generator Status, and electric energy belt driven blower 14 starts to transport
Row, extra electricity enter 15 China and foreign countries of power grid and sell；
Step 7：Thermal resistance 16 monitors the temperature in steam buffer tank 7 in real time, when the temperature in steam buffer tank 7 is more than
At 220 DEG C, thermal resistance 16 is transmitted a signal in DCS system 17, and DCS system 17 controls the aperture tune of the first electric control valve 2
Greatly, until the temperature of steam buffer tank 7 is in 200~220 DEG C；When the temperature in steam buffer tank 7 is less than 200 DEG C, heat
Resistance 16 is transmitted a signal in DCS system 17, and DCS system 17 controls the aperture of the first electric control valve 2 to turn down, until steam delays
The temperature of tank 7 is rushed as until in 200~220 DEG C；
Step 8：The rotating speed of turbine rotor in three groups of speed probes 21 steam turbine 4 of monitoring detection in real time, when three groups
The rotating speed of turbine rotor is more than rated speed in arbitrary two groups of speed probes 21 detection steam turbine 4 in speed probe 21
110% when, speed probe 21 is sent data in DCS system 17, DCS system 17 control automatic main stop valve 3 close and
The clutch part of gear-box 12 disconnects, and is simultaneously shown in a fully open operation the second electric control valve 8, makes 0.6MPa jet chimneys 1
In steam fully enter steam buffer tank 7, to ensure the normal operation of follow-up workshop section, asynchronous machine 13 is in motor at this time
State, the electric energy belt driven blower 14 in power grid 15 are run.
Semiwater gas described in the utility model is a noun, and generation claims the CO and H that fixed bed coal gasifier is produced2
Mixed gas.Mainly there are two functions for the utility model middle gear case 12：Speed changing function and clutch function；When turbine failure
When, DCS system, which is simultaneously emitted by signal, makes 12 clutch of gear-box, and steam turbine 4 and asynchronous machine 13 are separated, in favor of saving
The maintenance and maintenance of electric energy, the service life for ensureing steam turbine 4 and later stage steam turbine 4.There are three types of run for asynchronous machine 13
State：A) Generator Status；B) electric motor state；C) electromagnetic braking state；Present application relates generally to Generator Status and electricity
Motivational state, therefore electromagnetic braking state is repeated no more, Generator Status is：Steam turbine 4 drives gear-box 12, gear-box
12 drive asynchronous machines 13 rotate, and when 13 rotor speed of asynchronous machine is higher than synchronous rotational speed, asynchronous machine 13 is just in
Operation state of generator.Electric motor state：When 4 failure of steam turbine or output power are insufficient to allow gear-box 12 to reach synchronous
When rotating speed, 13 rotor speed of asynchronous machine is less than synchronous rotational speed, and asynchronous machine 13 is at motoring.Application
For complete set of equipments, complete set of equipments is had asynchronous machine 13, steam turbine 4 and the gear-box 12 that people uses by energy steamer power in Hangzhou
Limit company produces, and the asynchronous machine 13 mating with Hangzhou Zhongneng Steam Turbine Co., Ltd. is provided by Jiamusi with enterprise, has
Body structure is not repeating.Gear-box 12 and automatic main stop valve 3 described in the utility model are equipped with hydraulic actuating mechanism control,
Hydraulic actuating mechanism is made of oil pump, solenoid valve, oil cylinder, and main function is that faint electric signal is changed into strong hydraulic pressure
Perform action.Mainly realized by procedure below：Oil pump is suppressed to oil circuit, and solenoid valve is located in oil circuit, blocks oil circuit.Work as telecommunications
When number being transferred to solenoid valve, electric signal control solenoid valve ON/OFF, to adjust the current intelligence of oil circuit hydraulic oil, hydraulic oil conduct
The power of executing agency, controls control object.Solenoid valve receives 17 electric signal of DCS system by taking automatic main stop valve 3 as an example,
Oil circuit is connected, so as to start hydraulic actuating mechanism, control automatic main stop valve is fallen rapidly, blocks access；And before being powered, block oil
Road, then hydraulic actuating mechanism be failure to actuate；Gear-box 12 and automatic main stop valve 3 can be purchased directly on the market, and structure is not
It repeats again.
Experimental example
The utility model use temperature for：210 DEG C of steam enters fixed bed coal gasifier than in the prior art using temperature
It spends and is：240 DEG C of steam, which enters fixed bed coal gasifier absorption heat, to be increased, then coal-fired to increase.Theoretical incrementss calculate as follows
(total steam flow 90t/h)：
240 DEG C of steam enthalpy H1=2956.42kj/kg
210 DEG C of steam enthalpy H2=2892.74kj/kg
6000kcal, 1kcal=4.186kj are pressed in lump coal calorific value
4.186 ÷ 6000=228.19kg/h of the ÷ of (2956.42-2892.74) × 90000
Coal price is based on 800 yuan, and increase consumption=0.22819 × 800=182.55 members
Generated energy calculates following (being calculated by half steam into turbine)：
3600 × the 0.97=748.96KW of ÷ of (2956.42-2892.74) × 45000 × 0.97
Electricity price is based on 0.51 yuan, power benefit=748.96 × 0.51=381.97 members
Year benefit=ten thousand yuan of (381.97-182.55) × 7200=143.58.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
Connect ", " connected " etc. should be interpreted broadly, for example, it may be being fixedly connected, being integrally connected or being detachably connected；
It can also be the connection inside two elements；It can be directly connected, can also be indirectly connected by intermediary, for ability
For the those of ordinary skill in domain, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.It needs
It is to be noted that herein, " first ", " second " etc. are only used for mutual differentiation rather than represent their significance level and suitable
Sequence etc..Foregoing detailed description is illustrated only for the feasibility embodiment of the utility model, they are not used
To limit the scope of protection of the utility model, all equivalent implementations made without departing from the utility model skill spirit, change
It should be included within the scope of protection of this utility model with transformation.
Claims (3)
1. a kind of device that gas making is made full use of with steam energy, including 0.6MPa jet chimneys (1), it is characterised in that：It is described
0.6MPa jet chimneys (1) by threeway successively with the first electric control valve (2), automatic main stop valve (3), steam turbine (4),
The import of first gate valve (5), steam superheater (6) tube side and steam buffer tank (7) is connected, and the third end of threeway passes through the second electricity
Dynamic regulating valve (8) is connected with the import of steam buffer tank (7), and the outlet of steam buffer tank (7) by the second gate valve (9) and is fixed
The steam inlet of bed coal-gasification stove (10) is connected, semiwater gas outlet and the cyclone dust collectors (11) of fixed bed coal gasifier (10)
Import be connected, the gas vent at the top of cyclone dust collectors (11) passes through the shell side of steam superheater (6) and cooling scrubbing tower
(18) it is connected；The power output end of steam turbine (4) is connected by gear-box (12) with asynchronous machine (13)；The asynchronous electricity
Machine (13) is connected respectively with air blower (14) and power grid (15), air outlet and the fixed bed coal gasifier (10) of air blower (14)
Air inlet is connected；The top of the steam buffer tank (7) is equipped with thermal resistance (16), and steam turbine (4) is equipped with three groups of rotating speeds and passes
Sensor (21), the thermal resistance (16) and speed probe (21) are connected respectively with DCS system (17) input terminal, DCS system
(17) output terminal respectively with the first electric control valve (2), the hydraulic actuating mechanism of automatic main stop valve (3), the second electric control valve
(8) hydraulic actuating mechanism with gear-box (12) is connected.
2. the device that a kind of gas making according to claim 1 is made full use of with steam energy, it is characterised in that：The steaming
Pipeline between vapour turbine (4) and the first gate valve (5) is equipped with the shortcut pipeline being connected with steam buffer tank (7) import, shortcut
Pipeline is equipped with third gate valve (19).
3. the device that a kind of gas making according to claim 1 is made full use of with steam energy, it is characterised in that：The steaming
The 4th gate valve (20) is equipped between the import of vapour superheater (6) tube side and steam buffer tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114590.6U CN207512137U (en) | 2017-08-21 | 2017-08-21 | The device that a kind of gas making is made full use of with steam energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721114590.6U CN207512137U (en) | 2017-08-21 | 2017-08-21 | The device that a kind of gas making is made full use of with steam energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207512137U true CN207512137U (en) | 2018-06-19 |
Family
ID=62532582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721114590.6U Active CN207512137U (en) | 2017-08-21 | 2017-08-21 | The device that a kind of gas making is made full use of with steam energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207512137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502387A (en) * | 2017-08-21 | 2017-12-22 | 河南心连心化肥有限公司 | The device and steam utilization method that a kind of gas making is made full use of with steam energy |
-
2017
- 2017-08-21 CN CN201721114590.6U patent/CN207512137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502387A (en) * | 2017-08-21 | 2017-12-22 | 河南心连心化肥有限公司 | The device and steam utilization method that a kind of gas making is made full use of with steam energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205028667U (en) | Thermoelectric cogeneration system of marine nuclear energy | |
| JPH03151505A (en) | Gas/steam electric power generating facility | |
| CN203259026U (en) | Efficient sintering ore waste heat recovery and electricity generation device with griddle | |
| CN110953571A (en) | Heat supply steam residual pressure cascade utilization system applied to coal-fired heat supply unit | |
| CN204041128U (en) | A kind of blast furnace vapour drags standby fan generator set | |
| CN206205996U (en) | A kind of gas stabilized-pressure energy recycle device for gas turbine front end | |
| CN207512137U (en) | The device that a kind of gas making is made full use of with steam energy | |
| CN201387242Y (en) | Residual heat power generation device of tunnel kiln | |
| CN103334946B (en) | The online diagnosis of energy saving control system of a kind of thermal power plant's steam-driven induced draft fan | |
| CN111663972A (en) | Arrange high-efficient heating system of secondary reheat unit in | |
| CN201858130U (en) | Novel frequency conversion driving system of boiler water feeding pump of large power unit of power plant | |
| CN108150233A (en) | A kind of steam turbine using the novel overcritical mixed working fluid of coalification gas | |
| CN210239764U (en) | Arrange high-efficient heating system of secondary reheat unit in | |
| CN107062919A (en) | A kind of annealing cellar for storing things and glass store the residual heat combined system utilized | |
| CN204918633U (en) | Blast furnace gas residual pressure control system that generates electricity | |
| CN107502387A (en) | The device and steam utilization method that a kind of gas making is made full use of with steam energy | |
| CN207620861U (en) | A kind of high temperature heating gas waste heat recovery generating device | |
| CN201671663U (en) | Energy recovery heat electric tri-generation and tri-machine coaxial steam turbine driving unit | |
| CN206816310U (en) | The energy saving transmission device of cement furnace waste heat boiler steam drive high-temperature dust removal blower fan | |
| CN202586765U (en) | Inverting filtration control device of power generation system of comprehensive energy steam turbine | |
| CN217233611U (en) | Steam system based on heat recovery coke oven | |
| CN206144672U (en) | Fuel cell , gas turbine and organic rankine cycle combined system | |
| CN113280507B (en) | Optimal heat source determining system and method for multi-heat-source air heater under variable working condition | |
| CN110067757B (en) | Steam-electricity dual-drive control system and control method based on induced draft fan | |
| CN103527269B (en) | Steam-turbine combined intermediate reheating quasi-Carnot-cycle thermal power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 453731 Xinxiang Economic Development Zone, Xinxiang City, Henan Province (Xiaoji Town) Patentee after: Henan Xinlianxin Chemical Industry Group Co., Ltd. Address before: 453731 Henan Xinxiang Economic Development Zone Xiaoji Town Henan Xinlianxin Chemical Fertilizer Co., Ltd. Patentee before: Henan XInlianxin Fertiliser Limited Company |
|
| CP03 | Change of name, title or address |