CN220769560U - Shaft seal heater of carbon black tail gas power generation steam turbine - Google Patents
Shaft seal heater of carbon black tail gas power generation steam turbine Download PDFInfo
- Publication number
- CN220769560U CN220769560U CN202322424667.1U CN202322424667U CN220769560U CN 220769560 U CN220769560 U CN 220769560U CN 202322424667 U CN202322424667 U CN 202322424667U CN 220769560 U CN220769560 U CN 220769560U
- Authority
- CN
- China
- Prior art keywords
- steam
- heater
- shaft seal
- water jet
- water
- 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
- 238000010248 power generation Methods 0.000 title claims abstract description 11
- 239000006229 carbon black Substances 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to the technical field of power generation and discloses a shaft seal heater of a carbon black tail gas power generation turbine, which comprises a front steam seal, a rear steam seal, a heater body, a steam jet air extractor and an exhaust channel, wherein the heater body is connected with the front steam seal and the rear steam seal through an exhaust pipe, one end of the heater body is provided with the steam jet air extractor, and the exhaust pipe is connected with the heater body; one side of the exhaust channel far away from the heater body is also connected with a water jet vacuumizing device through an exhaust pipe; the driving mode of the shaft seal heater is changed from the new steam driving mode into the water jet air extractor driving mode, so that the normal operation of the shaft seal heater is ensured and the steam consumption of the steam turbine is reduced on the premise of not adding any equipment; a filter screen is arranged between the water inlet chamber and the vacuum chamber, the filter screen can uniformly distribute water entering the vacuum chamber, and meanwhile, impurities can be filtered and filtered, so that the normal operation of the unit is ensured.
Description
Technical Field
The utility model relates to the technical field of power generation, in particular to a shaft seal heater of a carbon black tail gas power generation turbine.
Background
In order to reduce environmental pollution, a method of 'steam-to-electricity' is often used, a boiler is used for completely digesting the carbon black tail gas, chemical energy of the tail gas is converted into heat energy of steam, and an adjustable steam extraction type turbo generator unit is used for converting the heat energy of the steam into electric energy.
When the heat energy of steam is converted into electric energy, the frequently used turbine shaft seal heater is divided into a steam side and a water side, the shaft seal air extractor is generally a steam jet air extractor, the original design shaft seal heater operates in a new steam driving steam jet air extractor, so that the steam side of the shaft seal heater generates negative pressure, and the shaft seal heater mainly acts to extract a steam-gas mixture of a turbine gland system and prevent the steam from leaking into a turbine room and an oil system from the end gland to pollute the environment and destroy the oil quality. The steam-gas mixture enters a shaft seal cooler to be cooled into water, the condensed water is heated, and the rest gas which is not condensed is discharged to the atmosphere.
However, this steam driving method often generates waste of resources when in use, so it is an urgent problem to be solved by those skilled in the art to propose a shaft seal heater that can reduce the gas consumption of the steam turbine under the normal operation of the shaft seal heater.
Disclosure of Invention
The purpose of the utility model is that: the shaft seal heater can reduce the gas consumption of the steam turbine under the normal operation of the shaft seal heater of the carbon black tail gas power generation steam turbine.
In order to achieve the above purpose, the utility model provides a shaft seal heater of a carbon black tail gas power generation turbine, which comprises a front steam seal, a rear steam seal, a heater body, a steam jet air extractor and an exhaust channel, wherein the heater body is connected with the front steam seal and the rear steam seal through an exhaust pipe, one end of the heater body is provided with the steam jet air extractor, and the exhaust pipe is connected with the heater body; and one side of the exhaust channel, which is far away from the heater body, is also connected with a water jet vacuumizing device through an exhaust pipe.
Preferably, the water jet vacuumizing device comprises a water jet air extractor, a water jet pump and a water tank, one end of the water jet pump is connected with the water jet air extractor through a water pipe, the other end of the water jet pump is connected with the water tank, one end, away from the water jet pump, of the water tank is connected with the water jet air extractor through a water pipe, and the water jet air extractor is connected with the exhaust channel.
Preferably, the water jet air extractor comprises a vacuum chamber, an air inlet chamber and an air inlet chamber; one side of the vacuum chamber is connected with the air inlet chamber, the other side of the vacuum chamber is connected with the air inlet chamber, a nozzle is arranged between the air inlet chamber and the vacuum chamber, a plurality of throats are further connected to the vacuum chamber, and the water outlet ends of the throats are connected with the water tank.
Further preferably, a filter screen is further arranged in the water inlet chamber, and the filter screen is in a horn shape.
Further preferably, a valve is further arranged on the exhaust pipeline and the air inlet chamber connecting pipeline.
Preferably, the water inlet chamber is connected with the water jet pump, the air inlet chamber is connected with the air exhaust channel, and the vacuum chamber is connected with the water tank through a throat pipe.
Compared with the prior art, the shaft seal heater of the carbon black tail gas power generation turbine has the beneficial effects that: one side of the exhaust channel far away from the heater body is also connected with a water jet vacuumizing device through an exhaust pipe; the driving mode of the shaft seal heater is changed from the new steam driving mode into the water jet air extractor driving mode, so that the normal operation of the shaft seal heater is ensured and the steam consumption of the steam turbine is reduced on the premise of not adding any equipment; a filter screen is arranged between the water inlet chamber and the vacuum chamber, the filter screen can uniformly distribute water entering the vacuum chamber, and meanwhile, impurities can be filtered and filtered, so that the normal operation of the unit is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a shaft seal heater according to a preferred embodiment provided by the present utility model;
FIG. 2 is a schematic view of a prior art configuration of a shaft seal heater;
FIG. 3 is a schematic view of a water jet ejector according to the present utility model.
In the figure, 101, front vapor seal; 102. a rear steam seal; 103. a heater body; 104. a steam jet air extractor; 105. an exhaust passage; 201. a water tank; 202. a water jet pump; 203. a valve; 204. a water jet air extractor; 301. an intake chamber; 302. a vacuum chamber; 303. a water inlet chamber; 304. a filter screen; 305. a nozzle; 306. a throat.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1, fig. 1 is a schematic view of a shaft seal heater according to a preferred embodiment of the present utility model; the steam engine comprises a front steam seal 101, a rear steam seal 102, a heater body 103, a steam jet air pump and an exhaust channel 105, wherein the heater body 103 is connected with the front steam seal 101 and the rear steam seal 102 through an exhaust pipe, one end of the heater body 103 is provided with the steam jet air pump, and the exhaust pipe is connected with the heater body 103; the side of the exhaust passage 105 far away from the heater body 103 is also connected with a water jet vacuumizing device through an exhaust pipe.
Specifically, the water jet vacuumizing device comprises a water jet air extractor 204, a water jet pump 202 and a water tank 201, one end of the water jet pump 202 is connected with the water jet air extractor 204 through a water pipe, the other end of the water jet pump 202 is connected with the water tank 201, one end, away from the water jet pump 202, of the water tank 201 is connected with the water jet air extractor 204 through a water pipe, and the water jet air extractor 204 is connected with the exhaust channel 105.
Referring to fig. 3, fig. 3 is a schematic diagram of a water jet pump 204 according to a preferred embodiment of the present utility model, it can be seen that the water jet pump 204 includes a vacuum chamber 302, an air intake chamber 301 and an air intake chamber 303; one side of the vacuum chamber 302 is connected with the air inlet chamber 301, the other side is connected with the air inlet chamber 303, a nozzle 305 is arranged between the air inlet chamber 303 and the vacuum chamber 302, a plurality of throats 306 are further connected to the vacuum chamber 302, and the water outlet ends of the throats 306 are connected with the water tank 201. A filter screen 304 is further arranged in the water inlet chamber 303, and the filter screen 304 is in a horn shape.
For better controlling the efficiency of the shaft seal, a valve 203 is further arranged on the connecting pipe of the exhaust pipe and the intake chamber 301. The vacuum degree of the shaft seal heater is flexibly adjusted by adjusting the opening degree of the valve 203 according to the operation requirement, so that the efficiency of the shaft seal is optimal.
Specifically, the intake chamber 303 is connected to the water jet pump 202, the intake chamber 301 is connected to the exhaust passage 105, and the vacuum chamber 302 is connected to the water tank 201 through a throat 306.
The working process of the utility model is as follows: the original steam jet air extractor 104 stops using, the water jet air extractor 204 is driven to run through the water jet pump 202, steam is discharged through the shaft seal heater, steam and gas mixtures in the shaft seal heater are extracted, the inside of the shaft seal heater is in a vacuum state, the steam and gas mixtures in the front steam seal 101 and the rear steam seal 102 are extracted, steam inside the steam turbine is prevented from leaking, air outside the steam turbine is prevented from entering, vacuum can be formed in the condenser, the purpose of sealing the steam is achieved, the vacuum degree of the shaft seal heater is flexibly adjusted by adjusting the opening degree of the valve 203 on the pipeline between the exhaust of the shaft seal heater to the water jet air extractor 204 according to running requirements, and the efficiency of the shaft seal is enabled to be optimal.
For better understanding of the difference between the present application and the prior art, please refer to fig. 2, fig. 2 is a schematic diagram of the prior art, in which the new steam drives the steam ejector 104 to form vacuum in the shaft seal heater, and the steam-gas mixture in the front steam seal 101 and the rear steam seal 102 is extracted, so as to ensure that the steam inside the steam turbine does not leak outside, and the air outside the steam turbine does not enter, thereby ensuring that the vacuum can be formed in the condenser. As the new steam is selected for driving, the gas consumption of the steam turbine is directly increased, and the operation cost is increased.
In summary, the embodiment of the utility model provides a shaft seal heater of a carbon black tail gas power generation turbine, wherein one side of an exhaust channel far away from a heater body is also connected with a water jet vacuumizing device through an exhaust pipe; the driving mode of the shaft seal heater is changed from the new steam driving mode into the water jet air extractor driving mode, so that the normal operation of the shaft seal heater is ensured and the steam consumption of the steam turbine is reduced on the premise of not adding any equipment; a filter screen is arranged between the water inlet chamber and the vacuum chamber, the filter screen can uniformly distribute water entering the vacuum chamber, and meanwhile, impurities can be filtered and filtered, so that the normal operation of the unit is ensured.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (6)
1. The shaft seal heater of the carbon black tail gas power generation turbine is characterized by comprising a front steam seal, a rear steam seal, a heater body, a steam jet air extractor and an exhaust channel, wherein the heater body is connected with the front steam seal and the rear steam seal through an exhaust pipe, one end of the heater body is provided with the steam jet air extractor, and the exhaust pipe is connected with the heater body; and one side of the exhaust channel, which is far away from the heater body, is also connected with a water jet vacuumizing device through an exhaust pipe.
2. The shaft seal heater according to claim 1 wherein said water jet vacuum apparatus comprises a water jet pump, a water jet pump and a water tank, one end of said water jet pump is connected to said water jet pump by a water pipe, the other end is connected to said water tank, one end of said water tank remote from said water jet pump is connected to said water jet pump by a water pipe, said water jet pump is connected to said exhaust passage.
3. The shaft seal heater of claim 2 wherein said water jet ejector comprises a vacuum chamber, an intake chamber and an intake chamber; one side of the vacuum chamber is connected with the air inlet chamber, the other side of the vacuum chamber is connected with the air inlet chamber, a nozzle is arranged between the air inlet chamber and the vacuum chamber, a plurality of throats are further connected to the vacuum chamber, and the water outlet ends of the throats are connected with the water tank.
4. A shaft seal heater according to claim 3 wherein said intake chamber is connected to said water jet pump, said intake chamber is connected to said exhaust passage, and said vacuum chamber is connected to said water tank through a throat.
5. The shaft seal heater of claim 4 wherein said exhaust passage and said inlet chamber connecting conduit are further provided with a valve.
6. The shaft seal heater of claim 4 wherein said intake chamber is further provided with a filter screen therein, said filter screen being horn-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424667.1U CN220769560U (en) | 2023-09-07 | 2023-09-07 | Shaft seal heater of carbon black tail gas power generation steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322424667.1U CN220769560U (en) | 2023-09-07 | 2023-09-07 | Shaft seal heater of carbon black tail gas power generation steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769560U true CN220769560U (en) | 2024-04-12 |
Family
ID=90599292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322424667.1U Active CN220769560U (en) | 2023-09-07 | 2023-09-07 | Shaft seal heater of carbon black tail gas power generation steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769560U (en) |
-
2023
- 2023-09-07 CN CN202322424667.1U patent/CN220769560U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112259762A (en) | Fuel cell cathode humidifying system | |
| CN220769560U (en) | Shaft seal heater of carbon black tail gas power generation steam turbine | |
| CN213845338U (en) | Fuel cell cathode humidifying system | |
| CN109236493A (en) | A kind of efficient waste heat for gas turbines recycling power generator and control method | |
| CN201272697Y (en) | Deoxidization apparatus for water used in generator set | |
| CN114198161B (en) | Comprehensive utilization system of shaft seal heater of thermal power plant | |
| CN213237978U (en) | Energy-saving and environment-friendly boiler with waste heat recovery device | |
| CN212081209U (en) | Steam turbine low pressure exhaust recovery unit | |
| CN210952413U (en) | Steam condensate recovery device | |
| CN212379797U (en) | Mute case for waste gas waste heat power generation | |
| CN221347040U (en) | Vacuum system based on vacuum pump | |
| CN218821884U (en) | Small-size mechanical cooling tower evaporation steam extraction recovery unit | |
| CN220470036U (en) | Device for connecting shaft seal heater vacuum system and condenser vacuum system | |
| CN221444942U (en) | High-efficient vacuum pumping system of waste heat power generation | |
| CN221169891U (en) | Efficient vacuumizing system based on waste heat power generation system | |
| CN216812153U (en) | Water ring type vacuum pumping system | |
| CN215633180U (en) | Steam turbine condensate water pumping system | |
| CN213775863U (en) | High-efficient steam injection evacuating device is used in thermal power plant transformation | |
| CN221648518U (en) | Energy-saving device of thermal power plant | |
| CN215890179U (en) | Full-automatic injection pump | |
| CN216477568U (en) | Gasoline engine generator | |
| CN211819851U (en) | Waste heat recovery device of air compressor | |
| CN218376889U (en) | Vacuum device applied to water ring vacuum pump | |
| CN217783576U (en) | Novel high-efficient environmental protection and energy saving type vapor seal cooler | |
| CN221924644U (en) | Condenser with stainless steel cooling pipe for heating power |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |