CN210483827U - Energy-saving air inlet structure based on low-pressure steam turbine unit - Google Patents
Energy-saving air inlet structure based on low-pressure steam turbine unit Download PDFInfo
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- CN210483827U CN210483827U CN201921483885.XU CN201921483885U CN210483827U CN 210483827 U CN210483827 U CN 210483827U CN 201921483885 U CN201921483885 U CN 201921483885U CN 210483827 U CN210483827 U CN 210483827U
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Abstract
The utility model discloses an energy-saving air inlet structure based on a low-pressure steam turbine unit, which comprises a unit main body, a shell and a steam furnace, wherein the shell is buckled outside the unit main body, the steam furnace is arranged at one side of the unit main body and is communicated with the air inlet end of the unit main body, a shunting air guide structure is arranged at the air exhaust end of the unit main body, a spiral temperature control structure is arranged on the shell and is communicated with the shunting air guide structure, the utility model relates to the technical field of steam turbine units, low-pressure low-temperature steam passing through blades of the steam turbine unit is respectively guided, one part of the low-pressure low-temperature steam flows back into a water tank of the steam furnace, stored water in the water tank is preheated, the initial temperature of boiler water is improved, the energy consumption when the steam occurs is reduced, the other part of the low-pressure low-temperature steam is supplied into a shell outside the unit through the spiral temperature control structure, the heat loss of the unit is reduced, and the energy consumption is reduced.
Description
Technical Field
The utility model relates to a steam turbine technical field specifically is an energy-conserving inlet structure based on low pressure steam turbine is last.
Background
The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. The steam turbine is the main equipment of modern thermal power plant, also is used for xxx among metallurgical industry, chemical industry, naval vessel power device, in view of this, to the above-mentioned problem intensive research, the present case of tunneling out has been produced.
The steam turbines are various in types, various classification methods are provided according to different structures, working principles, thermal performance, purposes and cylinder numbers, single-stage steam turbines and multi-stage steam turbines are provided according to structural classification, and single-cylinder steam turbines and multi-cylinder steam turbines are provided, wherein each single-cylinder steam turbine is arranged in one cylinder; single-shaft turbines each mounted on one shaft, double-shaft turbines each mounted on two parallel shafts, and the like; in addition, the low-pressure steam turbine set can be classified according to initial pressure (low pressure, medium pressure, high pressure, ultrahigh pressure, subcritical, supercritical and ultra supercritical) of steam, arrangement modes (single shaft and double shafts) and the like, however, the energy consumption of the existing low-pressure steam turbine set for providing high-pressure steam is large, so that the overall energy consumption of the low-pressure steam turbine is high, the working efficiency is influenced, and the long-term development of the low-pressure steam turbine set is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an energy-conserving inlet structure based on low pressure turbine unit has solved current low pressure turbine unit and has been used for providing that the produced energy consumption of high-pressure steam accounts for than great for low pressure turbine's whole energy consumption is higher, influences work efficiency, and is unfavorable for the problem of the long-term development of low pressure turbine unit.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an energy-saving air inlet structure based on a low-pressure steam turbine unit comprises a unit main body, a shell and a steam furnace, wherein the shell is buckled outside the unit main body;
the reposition of redundant personnel air guide structure includes: the air guide sleeve comprises a flow guide sleeve, a first air guide part and a second air guide part;
the air guide cover is sleeved on the air exhaust end of the unit main body, a first air guide part is arranged at one end of the air guide cover, and a second air guide part is arranged at the upper end of the air guide cover;
the spiral temperature control part comprises: the temperature detection device comprises a spiral pipeline, a temperature detection part and an airflow adjusting part;
the steam boiler is characterized in that a threaded groove is formed in the inner wall of the shell, the spiral pipeline is embedded in the threaded groove, one end of the spiral pipeline is communicated with the flow guide cover, the other end of the spiral pipeline is communicated with the water tank of the steam boiler, the temperature detection part is arranged on the inner wall of the shell, and the airflow adjusting part is arranged at one end of the spiral pipeline.
Preferably, the first air guide includes: the air return pipeline, the first air pressure meter, the booster pump and the heat insulation sleeve;
the air inlet end of the air return pipeline is connected with the lower end face of the flow guide cover, the first barometer is embedded on the air inlet end of the air return pipeline, the exhaust end of the air return pipeline is communicated with the water tank of the steam boiler, the booster pump is embedded on the air return pipeline, and the heat-insulating sleeve is sleeved on the air return pipeline.
Preferably, the second air guide includes: a pressure release valve and a condenser;
the pressure release valve is embedded in one end of the flow guide cover, and the condenser is sleeved on one end of the pressure release valve.
Preferably, the temperature detection unit includes: the temperature probe comprises a fixing frame, a temperature probe, a temperature sensor and a signal transmitting module;
the fixing frame is arranged on the inner side wall surface of the shell, the temperature probe is arranged on the fixing frame, the temperature sensor is arranged on the fixing frame and attached to the side wall of the spiral pipeline, and the signal transmitting module is arranged on the fixing frame and connected with the temperature sensor and the temperature probe respectively.
Preferably, the air flow adjusting part includes: a second barometer and an electric butterfly valve;
the second barometer is embedded on the air inlet end of the spiral pipeline, and the electric butterfly valve is sleeved on the spiral pipeline and located on one side of the second barometer.
Preferably, a fixing seat is arranged between the booster pump and the shell and is used for fixedly connecting the booster pump and the shell.
Advantageous effects
The utility model provides an energy-conserving air intake structure based on low pressure turbine unit. The method has the following beneficial effects: this energy-conserving inlet structure based on low pressure steam turbine unit, set up reposition of redundant personnel air guide structure through the exhaust end at low pressure steam turbine unit, low pressure low temperature steam after the steam turbine unit blade is led respectively and is sent, partly backward flow is to the steam boiler water tank in, carry out preheating to depositing water in the water tank, improve the initial temperature of boiler water, energy consumption when reducing the vapor and taking place, another part, supply with the outside casing of unit through spiral temperature control structure, carry out the temperature maintenance to whole unit, reduce the unit heat loss, reduce the energy consumption, it is great to have solved current low pressure steam turbine unit and be used for providing the produced energy consumption of high pressure steam and account for the ratio, make the whole energy consumption of low pressure steam turbine higher, influence work efficiency, and be unfavorable for the problem of the long-term development of low pressure steam turbine unit.
Drawings
Fig. 1 is the utility model discloses an energy-conserving inlet structure's main structure sketch map based on low pressure steam turbine group.
Fig. 2 is the utility model relates to a structural schematic diagram is looked sideways at based on energy-conserving inlet structure on low pressure steam turbine group.
Fig. 3 is the utility model discloses an a position local enlarged structure schematic diagram based on energy-conserving inlet structure on low pressure steam turbine group.
In the figure: 1-a unit main body; 2-a housing; 3-a steam oven; 4-a flow guide sleeve; 5-a spiral pipe; 6-air return pipeline; 7-a first barometer; 8-a booster pump; 9-heat preservation sleeve; 10-a pressure relief valve; 11-a condenser; 12-a fixing frame; 13-a temperature probe; 14-a temperature sensor; 15-a signal transmitting module; 16-a second barometer; 17-an electric butterfly valve; 18-fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Referring to fig. 1-3, the present invention provides an energy-saving air intake structure based on a low-pressure steam turbine set:
example (b): as can be seen from the description attached figures 1-3, the steam generating set comprises a set main body 1, a shell 2 and a steam boiler 3, wherein the position relation and the connection relation are as follows, the shell 2 is buckled outside the set main body 1, the steam boiler 3 is arranged on one side of the set main body 1 and is communicated with the air inlet end of the set main body 1, the air exhaust end of the set main body 1 is provided with a flow-dividing air guide structure, and the shell 2 is provided with a spiral temperature control structure and is communicated with the flow-dividing air guide structure; the shunting air guide structure comprises: the air guide sleeve 4 is sleeved on the air exhaust end of the unit main body 1, the first air guide part is arranged at one end of the air guide sleeve 4, and the second air guide part is arranged at the upper end of the air guide sleeve 4; the spiral temperature control part comprises: the spiral pipeline 5, the temperature detection part and the air flow adjusting part are arranged in the following position relation and connection relation, a thread groove is arranged on the inner wall of the shell 2, the spiral pipeline 5 is embedded in the thread groove, one end of the spiral pipeline 5 is communicated with the flow guide cover 4, the other end of the spiral pipeline is communicated with the water tank of the steam boiler 3, the temperature detection part is arranged on the inner wall of the shell 2, the air flow adjusting part is arranged on one end of the spiral pipeline 5, when in use, the low-temperature and low-pressure water vapor is guided by the flow dividing and air guiding structure, one part of the low-temperature and low-pressure water vapor returns to the water tank of the steam boiler 3 through the first air guiding part to preheat stored water in the water tank and reduce energy consumption when the water vapor occurs, the other part of the low-temperature and low-pressure water vapor enters the spiral pipeline 5 on the inner wall of the shell 2 through the air flow adjusting part to preserve heat of, the structure is simple, and the use is convenient;
as can be seen from fig. 1 to 3 of the specification, in the implementation process, as a preferred arrangement, the first air guide part includes: return-air duct 6, first barometer 7, booster pump 8 and insulation support 9, its position relation and relation of connection are as follows, return-air duct 6 inlet end is connected with the terminal surface under the kuppe 4, first barometer 7 inlays and adorns on the inlet end of return-air duct 6, the exhaust end of return-air duct 6 is linked together with steam boiler 3's water tank, booster pump 8 inlays and adorns on return-air duct 6, insulation support 9 suit is on return-air duct 6, wherein the second air guide includes: the system comprises a pressure release valve 10 and a condenser 11, wherein the pressure release valve 10 is embedded at one end of a flow guide cover 4, the condenser 11 is sleeved at one end of the pressure release valve 10, when the system is used, a booster pump 8 is started, water vapor in the flow guide cover 4 is pumped into an air return pipeline 6, the air return pipeline is pressurized and then injected into a water tank of a steam boiler 3, stored water in the water tank is preheated, meanwhile, the air pressure at the air inlet end of the air return pipeline 6 is monitored in real time through a first barometer 7, and a heat insulation sleeve 9 is used for reducing the heat loss of the backflow water vapor, wherein the important point is that in the specific real-time process, the booster pump 8 refers to a GPSQ type plunger pump produced by Jinan Green technologies development Limited company;
as can be seen from fig. 1 to 3 of the specification, in the implementation process, as a preferred arrangement, the temperature detecting portion includes: mount 12, temperature probe 13, temperature sensor 14 and signal emission module 15, its positional relationship and relation of connection are as follows, mount 12 installs on the lateral wall face in shell 2, temperature probe 13 installs on mount 12, temperature sensor 14 installs on mount 12, and attached on the lateral wall of spiral duct 5, signal emission module 15 installs on mount 12, and is connected with temperature sensor 14 and temperature probe 13 respectively, above-mentioned air current regulation portion includes: a second barometer 16 and an electric butterfly valve 17, the position relation and the connection relation are as follows, the second barometer 16 is embedded on the air inlet end of the spiral pipeline 5, the electric butterfly valve 17 is sleeved on the spiral pipeline 5 and is positioned at one side of the second barometer 16, when in use, a power switch is turned on, the temperature probe 13 on the fixing frame 12 measures the temperature of the internal environment of the shell and transmits the measurement result to the controller through the signal transmitting module 15, the temperature sensor 14 detects the temperature of the side wall of the spiral pipeline 5 and transmits the detection result to the controller through the signal transmitting module 15, the controller adjusts the opening and closing degree of the electric butterfly valve 17 according to the monitoring result, adjusts the air inflow of the injected water vapor, the water vapor replaced by the heat of the spiral pipeline 5 is injected into the water tank of the steam oven 3, and can also preheat the water stored in the water tank, the energy consumption is reduced, the pressure relief valve 10 is controlled according to the measurement results of the first barometer 7 and the second barometer 16, and redundant water vapor is injected into the condenser 11, wherein it is emphasized that the signal transmitting module 15 is a switching value signal acquisition module of MR-DI16-4 model produced by shenzhengyang.
As can be seen from fig. 1 to 3 of the specification, in the implementation process, as a preferred arrangement, a fixing seat 18 is installed between the booster pump 8 and the housing 2, and the fixing seat 18 is used for fixedly connecting the booster pump 8 and the housing 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An energy-saving air inlet structure based on a low-pressure steam turbine unit comprises a unit main body (1), a shell (2) and a steam furnace (3), and is characterized in that the shell (2) is buckled outside the unit main body (1), the steam furnace (3) is arranged on one side of the unit main body (1) and is communicated with an air inlet end of the unit main body (1), a flow-dividing air guide structure is arranged on an air exhaust end of the unit main body (1), and a spiral temperature control structure is arranged on the shell (2) and is communicated with the flow-dividing air guide structure;
the reposition of redundant personnel air guide structure includes: the air guide sleeve (4), the first air guide part and the second air guide part;
the air guide sleeve (4) is sleeved on the air exhaust end of the unit main body (1), a first air guide part is arranged at one end of the air guide sleeve (4), and a second air guide part is arranged at the upper end of the air guide sleeve (4);
the spiral temperature control part comprises: a spiral duct (5), a temperature detection unit, and an airflow adjustment unit;
the steam boiler is characterized in that a threaded groove is formed in the inner wall of the shell (2), the spiral pipeline (5) is embedded in the threaded groove, one end of the spiral pipeline (5) is communicated with the flow guide cover (4), the other end of the spiral pipeline is communicated with the water tank of the steam boiler (3), the temperature detection part is arranged on the inner wall of the shell (2), and the airflow adjusting part is arranged at one end of the spiral pipeline (5).
2. The energy-saving air intake structure on a low-pressure steam turbine set according to claim 1, wherein the first air guide comprises: the air return pipeline (6), the first barometer (7), the booster pump (8) and the heat-insulating sleeve (9);
the air return pipe is characterized in that the air inlet end of the air return pipe (6) is connected with the lower end face of the air guide sleeve (4), the first barometer (7) is embedded on the air inlet end of the air return pipe (6), the exhaust end of the air return pipe (6) is communicated with the water tank of the steam boiler (3), the booster pump (8) is embedded on the air return pipe (6), and the heat-insulating sleeve (9) is sleeved on the air return pipe (6).
3. The energy-saving air intake structure on a low-pressure steam turbine set according to claim 1, wherein the second air guide comprises: a pressure release valve (10) and a condenser (11);
the pressure release valve (10) is embedded on one end of the flow guide cover (4), and the condenser (11) is sleeved on one end of the pressure release valve (10).
4. The energy-saving air intake structure on the low-pressure steam turbine unit according to claim 1, wherein the temperature detection portion includes: the temperature measuring device comprises a fixed frame (12), a temperature probe (13), a temperature sensor (14) and a signal transmitting module (15);
the fixing frame (12) is arranged on the inner side wall surface of the shell (2), the temperature probe (13) is arranged on the fixing frame (12), the temperature sensor (14) is arranged on the fixing frame (12) and attached to the side wall of the spiral pipeline (5), and the signal transmitting module (15) is arranged on the fixing frame (12) and connected with the temperature sensor (14) and the temperature probe (13) respectively.
5. The energy-saving air intake structure on the low-pressure steam turbine set according to claim 1, wherein the air flow adjusting portion includes: a second barometer (16) and an electric butterfly valve (17);
the second barometer (16) is embedded on the air inlet end of the spiral pipeline (5), and the electric butterfly valve (17) is sleeved on the spiral pipeline (5) and located on one side of the second barometer (16).
6. The energy-saving air inlet structure based on the low-pressure steam turbine set as claimed in claim 2, wherein a fixing seat (18) is arranged between the booster pump (8) and the set main body (1), and the fixing seat (18) is used for fixedly connecting the booster pump (8) and the set main body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921483885.XU CN210483827U (en) | 2019-09-08 | 2019-09-08 | Energy-saving air inlet structure based on low-pressure steam turbine unit |
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| CN201921483885.XU CN210483827U (en) | 2019-09-08 | 2019-09-08 | Energy-saving air inlet structure based on low-pressure steam turbine unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624375A (en) * | 2020-07-01 | 2020-09-04 | 强一半导体（苏州）有限公司 | Probe card for high-temperature and high-pressure test of power device and key structure thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624375A (en) * | 2020-07-01 | 2020-09-04 | 强一半导体（苏州）有限公司 | Probe card for high-temperature and high-pressure test of power device and key structure thereof |
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