CN114046495B - Auxiliary steam source device for modifying flexibility of thermal power generating unit - Google Patents
Auxiliary steam source device for modifying flexibility of thermal power generating unit Download PDFInfo
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- CN114046495B CN114046495B CN202111351777.9A CN202111351777A CN114046495B CN 114046495 B CN114046495 B CN 114046495B CN 202111351777 A CN202111351777 A CN 202111351777A CN 114046495 B CN114046495 B CN 114046495B
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- electromagnetic valve
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
- F22D1/34—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines and returning condensate to boiler with main feed supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/34—Applications of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D1/00—Steam central heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
Abstract
The embodiment of the invention provides an auxiliary steam source device for modifying flexibility of a thermal power unit, and relates to the field of thermal power plants. Auxiliary steam vapour source device is reformed transform to thermal power generating unit flexibility includes steam water preheating mechanism and residual water self-discharging mechanism, steam water preheating mechanism installs on the device is whole for retrieve the heat in the vapor, and transmit for thermal power generating unit, and then make can be effectively when reducing the waste of heat resource can indirect increase thermal power generating unit's generating efficiency, residual water self-discharging mechanism connects on the device is whole, be used for automatic discharging device is whole inside residual water, do not influence the whole normal operation of device, the automaticity of the device has been embodied.
Description
Technical Field
The invention relates to the field of thermal power plants, in particular to an auxiliary steam source device for modifying flexibility of a thermal power unit.
Background
At present, when the steam source device on the existing thermal generator set is put into use, the pipe orifice of the external connecting pipe is required to be connected with the connecting pipe orifice on the steam source device, the existing connecting mode is connected by using the flange plate, the fixed connecting mode is complex, the operation steps are complex, a small amount of residual water exists in the existing steam source device after the steam source device is put into use, the normal use of the steam source device is affected if the residual water is not discharged, and steam is easy to leak through the residual water outlet when the residual water does not exist in the steam source device, so that the use of the steam source device is affected.
Meanwhile, the existing steam source device directly conveys the liquefied water into the thermal power generator set for recycling after liquefying the water in the steam, but can not preheat the liquefied water by utilizing the heat carried in the steam discharged from the air duct and then flows into the thermal power generator set for use, so that the heat resource is wasted.
Therefore, how to design a thermal power generating unit and flexibly reform an auxiliary steam source device becomes the technical problem to be solved at present.
Disclosure of Invention
The invention aims to provide an auxiliary steam source device for modifying the flexibility of a thermal power generating unit, which can automatically treat residual water, can preheat liquefied water by utilizing heat carried in steam and fully utilizes heat resources.
Embodiments of the invention may be implemented as follows:
the invention provides a thermal power unit flexibility transformation auxiliary steam source device which comprises a device whole, an air inlet pipe, a heating conveying pipe, a DCS (distributed control system) plug-in block, a condensing device, a supporting bottom plate, a water guide pipe, adjusting supporting feet, a steam water preheating mechanism and a residual water self-draining mechanism, wherein the device whole is connected with the air inlet pipe;
the air inlet pipe is connected to the whole device, the heating pipe is connected to the air inlet pipe, the condensing device is connected to the top end of the whole device, the DCS plug-in block is connected to the top end of the condensing device, the supporting bottom plate is connected to the bottom of the whole device, the water guide pipe is connected to the bottom of the whole device, and the first electromagnetic valve group is arranged at the middle part of the heating pipe;
the adjusting support legs are connected to the periphery of the bottom of the support bottom plate;
the steam water preheating mechanism is arranged on the whole device and is used for recovering heat in steam and transmitting the heat to the thermal generator set;
the residual water self-draining mechanism is connected to the whole device and is used for automatically draining the residual water in the whole device.
In an alternative embodiment, the steam water preheating mechanism comprises a condenser, a condensing plate, a guide plate, a supporting plate and a U-shaped temporary storage pipe;
the condenser is connected in condensing equipment's inside, and the condensing plate setting is in the bottom both sides of condenser, and the guide plate is connected at the holistic inside top of device, and the backup pad is connected in the both sides of guide plate, and is connected to holistic inner wall of device, and U type temporary storage tube sets up in holistic inside of device, has seted up the through-hole with U type temporary storage tube intercommunication on the guide plate.
In an alternative embodiment, the residual water self-draining mechanism comprises a protective shell, an integrated circuit board, a PLC controller, a first liquid level sensor, a second liquid level sensor and a third electromagnetic valve group, wherein the integrated circuit board, the PLC controller, the first liquid level sensor, the second liquid level sensor and the third electromagnetic valve group are arranged inside the protective shell;
the protective housing connects in holistic bottom of device, and the PLC controller is connected on the integrated circuit board, and first level sensor and second level sensor connect on the top of integrated circuit board, and the third solenoid valve group sets up in holistic inside bottom of device, and the third solenoid valve group carries out electric connection through wire and PLC controller.
In an alternative embodiment, the auxiliary steam source device for modifying the flexibility of the thermal power generating unit further comprises a pipe orifice sealing and connecting mechanism, wherein the pipe orifice sealing and connecting mechanism comprises a connecting shaft, a thread bush, a protruding rod and a sealing rubber pad;
the connecting shaft is connected to the periphery of the bottom of the water guide pipe in a nested manner, the threaded sleeve is welded at the bottom end of the periphery of the connecting shaft, the protruding rod is connected to the middle of the periphery of the threaded sleeve, and the sealing rubber gasket is connected to the bottom end of the water guide pipe in an embedded manner;
the periphery of the top of the sealing rubber pad is provided with a rubber convex column, and the periphery of the bottom of the water guide pipe is embedded with an embedded groove matched with the rubber convex column.
In an alternative embodiment, the adjustment support foot includes a square receiving groove, a square nut, a threaded support post, a nested nut, and a support disc foot;
the square groove of accomodating is connected in the bottom of supporting baseplate, and the inboard embedding in square groove of accomodating is connected the screw support column, the square nut of top welding of screw support column, the square nut is with the size adaptation in square groove of accomodating, and the support disc foot is connected to the bottom of screw support column, and the nested nut of connecting is nested in the bottom periphery of screw support column, and nested nut runs through the through-hole inboard of screw support column and is provided with the screw groove with the peripheral adaptation of screw support column.
In an alternative embodiment, the left side periphery of the air inlet pipe is nested and connected with a fixed ring.
In an alternative embodiment, the bottom right surface of the retaining ring is welded with a support post, which is cylindrical.
In an alternative embodiment, the inner right side of the inlet pipe is provided with a non-return valve.
In an alternative embodiment, the bottom of the U-shaped temporary storage tube is provided with a second electromagnetic valve group, and the second electromagnetic valve group is provided with two groups and is respectively arranged at the bottom ends of the two sides of the U-shaped temporary storage tube.
In an alternative embodiment, the top end of the DCS plug is provided with a metal heat sink.
In summary, the thermal power generating unit flexibility transformation auxiliary steam source device provided by the embodiment of the invention has the beneficial effects that:
1. the steam water preheating mechanism is arranged, so that the whole device can effectively recover heat carried in steam after being put into use and transmit the heat to the thermal generator set, and further, the power generation efficiency of the thermal generator set can be indirectly increased while the heat resource waste is effectively reduced;
2. the device is characterized in that the device is provided with a residual water self-discharging mechanism, the device is integrally put into use through the arrangement, the residual water self-discharging mechanism arranged at the bottom of the device can automatically discharge according to the water level of the residual water, the normal operation of the device is not influenced, and the automation of the device is embodied.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a thermal power generating unit flexibility transformation auxiliary steam source device provided by an embodiment of the invention;
fig. 2 is a schematic diagram of a front cross-sectional structure of an auxiliary steam source device for modifying flexibility of a thermal power generating unit according to an embodiment of the invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B;
FIG. 5 is a schematic cross-sectional elevation view of the adjustable support foot of FIG. 2;
FIG. 6 is a block diagram of the residual water self-draining mechanism.
Icon: 1-the whole device; 2-an air inlet pipe; 3-a heating pipe; 4-DCS plug-in blocks; 5-condensing means; 6-supporting a bottom plate; 7-a water guide pipe; 8-adjusting supporting feet; 801-square receiving groove; 802-square nuts; 803-threaded support post; 804-nesting nuts; 805-supporting disc feet; 9-a first solenoid valve group; 10-fixing ring; 11-supporting columns; 12-check valve; 13-a condenser; 14-condensing plate; 15-a deflector; 16-a support plate; 17-U-shaped temporary storage tube; 18-a second solenoid valve group; 19-a third solenoid valve group; 20-connecting shafts; 21-a thread sleeve; 22-projecting bars; 23-sealing rubber pads; 24-a protective housing; 25-an integrated circuit board; 26-a PLC controller; 27-a first level sensor; 28-a second level sensor; 29-metal heat sink.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Referring to fig. 1 and 2, the embodiment provides an auxiliary steam source device for modifying flexibility of a thermal power generating unit, which is mainly applied to a thermal power generating unit, and comprises a device whole 1, an air inlet pipe 2, a heating conveying pipe 3, a DCS plug-in block 4, a condensing device 5, a supporting bottom plate 6, a water guide pipe 7, an adjusting supporting leg 8, a steam water preheating mechanism, a residual water self-draining mechanism and a pipe orifice sealing connection mechanism.
The air inlet pipe 2 is connected to the middle part of the left side of the device body 1, the heating pipe 3 is connected to the middle part of the top of the air inlet pipe 2, the condensing device 5 is fixedly connected to the middle of the top of the device body 1, the DCS plug block 4 is fixedly connected to the top of the condensing device 5, the supporting bottom plate 6 is fixedly connected to the bottom of the device body 1, the water guide pipe 7 is connected to the middle of the bottom of the device body 1, and the adjusting supporting legs 8 are fixedly connected to the periphery of the bottom of the supporting bottom plate 6.
Referring to fig. 2, a steam water preheating mechanism is installed on the whole device 1 for recovering heat in steam and transmitting the recovered heat to a thermal generator set. The steam water preheating mechanism comprises a condenser 13, a condensing plate 14, a guide plate 15, a supporting plate 16 and a U-shaped temporary storage pipe 17.
Specifically, the middle part of heating installation conveyer pipe 3 is provided with first solenoid valve group 9, the peripheral nested solid fixed ring 10 that is connected with in left side of intake pipe 2, the inside fixedly connected with condenser 13 of condensing equipment 5, the bottom both sides of condenser 13 are provided with condensation plate 14, the inside top fixed connection guide plate 15 of device whole 1, the both sides fixedly connected with backup pad 16 of guide plate 15, backup pad 16 connect on the inner wall of device whole 1, the inside middle part of device whole 1 is provided with U type temporary storage pipe 17, the inside bottom both sides of device whole 1 are provided with third solenoid valve group 19.
Referring to fig. 1 to 3, the nozzle sealing connection mechanism includes a connection shaft 20, a screw bush 21, a protruding rod 22, and a sealing rubber pad 23. Specifically, the bottom periphery of the water guide pipe 7 is connected with a connecting shaft 20 in a nested manner, the bottom end of the periphery of the connecting shaft 20 is tightly welded with a thread sleeve 21, the middle part of the periphery of the thread sleeve 21 is fixedly connected with a protruding rod 22, and the bottom end of the water guide pipe 7 is connected with a sealing rubber gasket 23 in an embedded manner.
Referring to fig. 4, a residual water self-draining mechanism is connected to the device body 1 for automatically draining residual water inside the device body 1. The residual water self-draining mechanism comprises a protective housing 24, an integrated circuit board 25 mounted inside the protective housing 24, a PLC controller 26, a first liquid level sensor 27, a second liquid level sensor 28 and a third solenoid valve group 19.
Specifically, the bottom left side fixedly connected with protecting sheathing 24 of device whole 1, the inside fixedly connected with integrated circuit board 25 of protecting sheathing 24, the middle part fixedly connected with PLC controller 26 of integrated circuit board 25, the top position fixedly connected with first level sensor 27 of integrated circuit board 25, the top position fixedly connected with second level sensor 28 of integrated circuit board 25.
Referring to fig. 5, the adjusting support leg 8 includes a square receiving groove 801, a square nut 802, a threaded support post 803, a nest nut 804 and a support disk leg 805. The square storage groove 801 is embedded and connected in the middle of the bottom of the adjusting support leg 8, the threaded support column 803 is embedded and connected in the inner side of the square storage groove 801, and the bottom end of the threaded support column 803 is fixedly connected with the supporting disc leg 805.
Specifically, the top end of the screw support column 803 is tightly welded with the square nut 802, the square nut 802 is matched with the size of the square receiving groove 801, when a user needs to stably support the whole device 1 by adjusting the length of the adjusting support leg 8, the user can push the screw support column 803 to move up and down by rotating the nested nut 804, because the top end of the screw support column 803 is provided with the square nut 802, and the periphery of the square nut 802 is provided with the limited square receiving groove 801, when the nested nut 804 rotates, the screw support column 803 can be pushed to move up and down on the inner side of the square receiving groove 801 through the inner side of the screw groove, and the screw support column 803 can not rotate along with the nested nut 804 when the user rotates the nested nut 804 through the arrangement.
Preferably, the bottom periphery of the threaded support column 803 is connected with a nested nut 804 in a nested manner, the inner side of a through hole of the nested nut 804 penetrating through the threaded support column 803 is provided with a threaded groove matched with the periphery of the threaded support column 803, four auxiliary rotating rods (not shown in the figure) are arranged in the middle of the periphery of the nested nut 804, and a limit column (not shown in the figure) is arranged at the top of the nested nut 804, so that when a user needs to push the threaded support column 803 to move upwards or downwards by utilizing the nested nut 804, the user can drive the nested nut 804 to rotate in situ by utilizing the auxiliary rotating rods arranged in the middle of the periphery of the nested nut 804, and the user can rotate the nested nut 804 more easily and conveniently through the arrangement to achieve the purpose of adjusting the length of the supporting leg 8.
Referring to fig. 2, the bottom right surface of the fixing ring 10 is tightly welded with a supporting column 11, the supporting column 11 is cylindrical, one end of the supporting column 11 is tightly welded with the fixing ring 10, and the other end is tightly welded with the middle part of the left bottom of the device body 1, so that the supporting column 11 and the fixing ring 10 can form a triangle with the air inlet pipe 2 and the left outer wall of the device body 1, and the air inlet pipe 2 can obtain a stronger auxiliary supporting force of the fixing ring 10 and the supporting column 11.
The inside right side of intake pipe 2 is provided with check valve 12, after device wholly 1 put into use, when first solenoid valve group 9 is in the open state, a large amount of vapor will be transmitted through heating installation conveyer pipe 3, and still a small amount of vapor can circulate to the inside of device wholly 1 through check valve 12, and just can not get back to in the intake pipe 2 through check valve 12 after a small amount of vapor circulates to the inside of device wholly 1 through check valve 12, can effectually prevent through the setting of check valve 12 that the inside vapor of entering device wholly 1 from appearing flowing backward the condition.
The bottom of U type pipe of keeping in 17 is provided with second solenoid valve group 18, second solenoid valve group 18 is provided with two sets of, set up respectively in the both sides bottom of U type pipe of keeping in 17, device wholly 1 carries out electric connection through connecting wire and DCS remote control end, after user use device wholly 1 accomplishes, user's accessible utilizes DCS remote control end control second solenoid valve group 18 to open, after second solenoid valve group 18 opens, the liquefied water of storing in U type pipe of keeping in 17 will circulate to thermal generator set through aqueduct 7 in, can be more convenient through the setting of second solenoid valve group 18 to the water of keeping in U type pipe of keeping in 17 is empty.
The left side in top of DCS grafting piece 4 is provided with metal fin 29, because DCS grafting piece 4 sets up in a high temperature environment, so the metal fin 29 of setting up in DCS grafting piece 4 top left side can effectually derive the heat that DCS grafting piece 4 inside produced, then the rethread air current is arranged the heat outward, can effectually prevent through setting up of metal fin 29 that DCS grafting piece 4 from because high Wen De is not handled and the condition of burning out appears, thereby can effectually increase the life of DCS grafting piece 4.
The condenser 13 is matched with the condensing plate 14, the guide plate 15 and the U-shaped temporary storage pipe 17 to form a steam-water preheating mechanism, a through hole communicated with the U-shaped temporary storage pipe 17 is arranged in the middle of the guide plate 15, when the steam with tropical heat enters the whole device 1 through the check valve 12, the steam can float upwards because of light weight, the condenser 13 arranged at the top in the whole device 1 is operated at the moment, the temperature of the condensing plate 14 is reduced when the condenser 13 is operated, so that the steam can be liquefied due to cold when the steam floats on the condensing plate 14, the steam can flow into the U-shaped temporary storage pipe 17 through the guide plate 15 when the steam is liquefied, and because the U-shaped temporary storage pipe 17 is U-shaped, the liquefied steam can be temporarily stored in the U-shaped temporary storage pipe 17 if the liquefied steam cannot be higher than the water outlet of the U-shaped temporary storage pipe 17 after entering, the liquefied water temporarily stored in the U-shaped temporary storage pipe 17 is heated due to the heat carried by the steam entering from the air inlet pipe 2, and because the steam continuously enters the whole device 1 through the air inlet pipe 2, when the liquefied water continuously enters the U-shaped temporary storage pipe 17 through the guide plate 15, the liquefied water temporarily stored in the inner side of the U-shaped temporary storage pipe 17 before being pushed to flow into the water guide pipe 7 and flow into the thermal generator set for heating, the whole device 1 can effectively recover the heat carried by the steam after being put into use through the steam liquefied water temporarily stored in the U-shaped temporary storage pipe 17, so that the steam liquefied water after absorbing the heat can be faster when entering the thermal generator set for heating and evaporating, and then can effectively reduce the thermal energy waste and can indirectly increase the generating efficiency of thermal generator set simultaneously.
Referring to fig. 2, fig. 4 and fig. 6, the integrated circuit board 25 is used together with the PLC controller 26, the first level sensor 27, the second level sensor 28 and the third solenoid valve 19 to form a residual water self-draining mechanism, the third solenoid valve 19 is electrically connected with the PLC controller 26 through a wire, when the device body 1 is put into use, a small amount of water vapor will liquefy into water falling into the interior of the device body 1 in a range other than the receiving range of the deflector 15, the residual water in the interior of the device body 1 can effectively cover the third solenoid valve 19 disposed at both sides of the interior bottom of the device body 1, so that the water vapor entering the interior of the device body 1 cannot leak out into the water guide pipe 7 through the third solenoid valve 19, and when the residual water rises to the first level sensor 27 disposed at the top position of the interior of the device body 1, the first level sensor 27 will transmit the information to the first level sensor 27, when the first level sensor 27 receives the information, the first level sensor 27 will liquefy into water falling into the interior of the device body 1, and when the first level sensor 27 receives the information, the second level sensor 26 is disposed at the bottom of the control circuit 26, the second level sensor 28 will not input into the water guide pipe 28, and the second solenoid valve 19 will close the second level sensor 28, when the second level sensor 19 is disposed at the bottom of the device 1, and the third solenoid valve 19 is opened, thereby the second level sensor 19 will not input into the water level sensor 19, and the second level sensor is disposed at the bottom of the second level sensor 19, through such setting makes device whole 1 when putting into use, the residual water self-discharging mechanism of setting in the inside bottom position of device whole 1 can be according to the water level height of residual water and automatic control third solenoid valve group 19 open or close to the residual water that makes the inside of device whole 1 can not influence the whole normal operation of device under the automatic operation of residual water self-discharging mechanism, has embodied the automaticity of device.
Referring to fig. 3, the connecting shaft 20, the threaded sleeve 21, the protruding rod 22 and the sealing rubber pad 23 are used together to form a pipe orifice sealing connecting mechanism, a rubber protruding column is arranged at the top periphery of the sealing rubber pad 23, an embedded groove matched with the rubber protruding column is embedded at the bottom periphery of the water guide pipe 7, when a user needs to seal and connect the whole device 1 with a connecting pipeline of a thermal generator set, the user needs to place the whole device 1 at a proper position, then the user can manually insert the connecting pipeline of the thermal generator set into the water guide pipe 7 of the whole device 1, after the connecting device is inserted, the user can manually hold the protruding rod 22 arranged at the periphery of the middle of the periphery of the threaded sleeve 21 at the bottom end of the water guide pipe 7 to drive the threaded sleeve 21 to rotate clockwise in place by taking the connecting shaft 20 as a supporting point, wherein, the diameter of the connecting pipeline of the thermal generator set is consistent with the diameter of the connecting disc at the bottom end of the water guide pipe 7, the periphery of the connecting pipeline of the thermal generator set is provided with connecting threads matched with the inner side of the threaded sleeve 21, when a user drives the threaded sleeve 21 to rotate clockwise in situ by utilizing the protruding rod 22, the connecting pipeline of the thermal generator set is pushed to slowly approach to the sealing rubber pad 23 arranged at the bottom end of the water guide pipe 7, when the connecting pipeline connecting surface of the thermal generator set is tightly attached to the sealing rubber pad 23 at the bottom end of the water guide pipe 7, the connecting pipeline connecting surface of the thermal generator set is tightly attached to the sealing rubber pad 23 due to the continuous clockwise rotation of the threaded sleeve 21 by the user, so that the aim of fixed sealing connection is achieved, otherwise, the air inlet pipe 2 and the heating conveying pipe 3 of the whole device 1 are fixedly and hermetically connected with an external pipeline by the mode, through such setting makes the user when needs carry out fixed seal with intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 and the external pipeline of device whole 1, and the fixed seal is connected with connecting tube to the mouth of pipe sealing connection mechanism that the user's accessible set up in intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 outside to make the user can be more convenient carry out fixed seal with intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 and the external pipeline of device whole 1 and be connected.
The working principle of the auxiliary steam source device is reformed transform to thermal power generating unit flexibility that this embodiment provided: firstly, when the user needs to carry out sealing connection with the connecting pipeline of the device whole 1 and the thermal generator set, the user needs to place the device whole 1 on a proper position, the user can adjust the length of the device whole 1 by utilizing the adjusting supporting legs 8, so that the device whole 1 can be more stably erected on the current position for use, then the user can carry out fixed sealing connection with the air inlet pipe 2, the heating conveying pipe 3 and the water guide pipe 7 of the device whole 1 and the connecting pipeline of the thermal generator set by utilizing the pipe orifice sealing connection mechanism, and after the connection of the device whole 1 and the thermal generator set is completed, when the device whole 1 is put into use, the device whole 1 can carry out heat resource recycling on heat carried by water vapor by utilizing the steam water preheating mechanism arranged inside and the residual water self-discharging mechanism arranged at the bottom inside automatically discharges the residual water inside.
The auxiliary steam source device is reformed transform to thermal power generating unit flexibility that this embodiment provided's beneficial effect includes:
1. the steam water preheating mechanism is arranged, so that the whole device 1 can effectively recover heat carried in steam after being put into use, and the heat is recovered by the steam liquefied water temporarily stored in the U-shaped temporary storage pipe 17, so that the steam liquefied water after absorbing the heat can be faster when entering the thermal generator set for heating and evaporating, and further the power generation efficiency of the thermal generator set can be indirectly increased while the heat resource waste is effectively reduced;
2. the residual water self-discharging mechanism is arranged, so that when the device whole 1 is put into use, the residual water self-discharging mechanism arranged at the bottom position inside the device whole 1 can automatically control the third electromagnetic valve group 19 to be opened or closed according to the water level of the residual water, and the residual water inside the device whole 1 can automatically operate under the condition of the residual water self-discharging mechanism, the normal operation of the device whole 1 is not influenced, and the automation of the device is reflected;
3. be provided with mouth of pipe sealing connection mechanism, make the user carry out fixed seal connection with external pipeline with intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 of device whole 1 when needs through such setting, the mouth of pipe sealing connection mechanism and the connecting pipeline that the user's accessible set up in intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 outside carry out fixed seal connection to make the user can be more convenient carry out fixed seal connection with intake pipe 2, heating installation conveyer pipe 3 and water pipe 7 and external pipeline of device whole 1.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (6)
1. The auxiliary steam source device is characterized by comprising a device whole (1), an air inlet pipe (2), a heating transmission pipe (3), a DCS plug-in block (4), a condensing device (5), a supporting bottom plate (6), a water guide pipe (7), an adjusting supporting leg (8), a steam water preheating mechanism and a residual water self-draining mechanism;
the device is characterized in that the air inlet pipe (2) is connected to the whole device (1), the heating air conveying pipe (3) is connected to the middle part of the top of the air inlet pipe (2), the condensing device (5) is connected to the top end of the whole device (1), the DCS plug-in block (4) is connected to the top end of the condensing device (5), the supporting bottom plate (6) is connected to the bottom of the whole device (1), the water guide pipe (7) is connected to the bottom of the whole device (1), a first electromagnetic valve group (9) is arranged at the middle part of the heating air conveying pipe (3), and a check valve (12) is arranged on the right side in the air inlet pipe (2);
the adjusting supporting legs (8) are connected to the periphery of the bottom of the supporting bottom plate (6);
the steam water preheating mechanism is arranged on the whole device (1) and is used for recovering heat in steam and transmitting the heat to the thermal generator set, and comprises a condenser (13), a condensing plate (14), a guide plate (15), a supporting plate (16) and a U-shaped temporary storage tube (17); the condenser (13) is connected to the inside of the condensing device (5), the condensing plate (14) is arranged at two sides of the bottom of the condenser (13), the guide plates (15) are connected to the top of the inside of the whole device (1), the supporting plates (16) are connected to two sides of the guide plates (15) and are connected to the inner wall of the whole device (1), the U-shaped temporary storage pipe (17) is arranged in the whole device (1), through holes communicated with the U-shaped temporary storage pipe (17) are formed in the guide plates (15), second electromagnetic valve groups (18) are arranged at the bottom ends of the U-shaped temporary storage pipe (17), two groups of the second electromagnetic valve groups (18) are respectively arranged at the bottom ends of the two sides of the U-shaped temporary storage pipe (17), and after the second electromagnetic valve groups (18) are opened, liquefied water stored in the U-shaped temporary storage pipe (17) can circulate into a thermal power generating set through the electromagnetic valve groups (7);
the residual water self-draining mechanism is connected to the device whole (1) and is used for automatically draining residual water in the device whole (1), and comprises a protective shell (24), an integrated circuit board (25), a PLC (programmable logic controller) 26, a first liquid level sensor (27) and a second liquid level sensor (28) which are arranged in the protective shell (24); the protection shell (24) is connected to the bottom of the device whole (1), the PLC (26) is connected to the integrated circuit board (25), the first liquid level sensor (27) and the second liquid level sensor (28) are connected to the top end of the integrated circuit board (25), the third electromagnetic valve group (19) is arranged at the inner bottom of the device whole (1), the third electromagnetic valve group (19) is electrically connected with the PLC (26) through a wire, and the first liquid level sensor (27) is used for triggering the PLC (26) to control the third electromagnetic valve group (19) to be opened, so that residual water enters the water guide pipe (7) through the third electromagnetic valve group (19); the second liquid level sensor (28) is used for triggering the PLC (26) to control the third electromagnetic valve group (19) to be closed, so that residual water floods the third electromagnetic valve group (19).
2. The auxiliary steam source device according to claim 1, further comprising a nozzle sealing connection mechanism comprising a connection shaft (20), a threaded sleeve (21), a protruding rod (22) and a sealing rubber pad (23);
the connecting shaft (20) is connected to the periphery of the bottom of the water guide pipe (7) in a nested mode, the threaded sleeve (21) is welded to the bottom end of the periphery of the connecting shaft (20), the protruding rod (22) is connected to the middle of the periphery of the threaded sleeve (21), and the sealing rubber pad (23) is connected to the bottom end of the water guide pipe (7) in an embedded mode;
the top periphery of the sealing rubber pad (23) is provided with a rubber convex column, and the bottom periphery of the water guide pipe (7) is embedded with an embedded groove matched with the rubber convex column.
3. Auxiliary steam source device according to claim 1, characterized in that the adjustment support foot (8) comprises a square receiving groove (801), a square nut (802), a threaded support post (803), a nested nut (804) and a support disc foot (805);
the square groove (801) of accomodating is connected the bottom of back-up sole (6), the inboard embedding in square groove (801) of accomodating is connected screw support column (803), the top welding of screw support column (803) square nut (802), square nut (802) with the size adaptation in groove (801) is accomodate to square, the bottom of screw support column (803) is connected supporting disk foot (805), the bottom peripheral nested connection of screw support column (803) nested nut (804), nested nut (804) run through the through-hole inboard of screw support column (803) be provided with screw support column (803) peripheral adaptation's screw groove.
4. Auxiliary steam source device according to claim 1, characterized in that the left side periphery of the air inlet pipe (2) is connected with a fixing ring (10) in a nested manner.
5. The auxiliary steam source device according to claim 4, wherein a support column (11) is welded to the bottom right side surface of the fixing ring (10), and the support column (11) is cylindrical.
6. Auxiliary steam source device according to claim 1, characterized in that the DCS plug-in block (4) is provided with metal cooling fins (29) at its top end.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610015A (en) * | 2015-10-24 | 2017-05-03 | 石锐 | Waste heat collecting device for boiler |
| JP2018189074A (en) * | 2017-05-12 | 2018-11-29 | 三菱電機株式会社 | Power generator |
| CN209655262U (en) * | 2019-03-06 | 2019-11-19 | 韩鹏程 | A kind of Boiler Steam energy-saving and cooling device |
| CN211041869U (en) * | 2019-10-04 | 2020-07-17 | 江西金铭丝绸有限公司 | Steam recovery device of silk reeling machine |
| CN113295019A (en) * | 2021-05-11 | 2021-08-24 | 于都县正亿纸品纸业有限公司 | Steam recovery device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5535112B2 (en) * | 2011-03-25 | 2014-07-02 | 月島機械株式会社 | Coal thermal power generation facility and coal thermal power generation method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610015A (en) * | 2015-10-24 | 2017-05-03 | 石锐 | Waste heat collecting device for boiler |
| JP2018189074A (en) * | 2017-05-12 | 2018-11-29 | 三菱電機株式会社 | Power generator |
| CN209655262U (en) * | 2019-03-06 | 2019-11-19 | 韩鹏程 | A kind of Boiler Steam energy-saving and cooling device |
| CN211041869U (en) * | 2019-10-04 | 2020-07-17 | 江西金铭丝绸有限公司 | Steam recovery device of silk reeling machine |
| CN113295019A (en) * | 2021-05-11 | 2021-08-24 | 于都县正亿纸品纸业有限公司 | Steam recovery device |
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