CN114046495A - Auxiliary steam source device for flexible modification of thermal power generating unit - Google Patents

Auxiliary steam source device for flexible modification of thermal power generating unit Download PDF

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Publication number
CN114046495A
CN114046495A CN202111351777.9A CN202111351777A CN114046495A CN 114046495 A CN114046495 A CN 114046495A CN 202111351777 A CN202111351777 A CN 202111351777A CN 114046495 A CN114046495 A CN 114046495A
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China
Prior art keywords
pipe
thermal power
whole
generating unit
power generating
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CN202111351777.9A
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Chinese (zh)
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CN114046495B (en
Inventor
刘飞
王炜
彭飞
王基
白左霞
孙昕
田旭
张祥成
张桂红
张君
梁国勇
李积泰
车琰瑛
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Sichuan Energy Internet Research Institute EIRI Tsinghua University
State Grid Qinghai Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Qianghai Electric Power Co Ltd
Original Assignee
Sichuan Energy Internet Research Institute EIRI Tsinghua University
State Grid Qinghai Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Qianghai Electric Power Co Ltd
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Application filed by Sichuan Energy Internet Research Institute EIRI Tsinghua University, State Grid Qinghai Electric Power Co Ltd, Economic and Technological Research Institute of State Grid Qianghai Electric Power Co Ltd filed Critical Sichuan Energy Internet Research Institute EIRI Tsinghua University
Priority to CN202111351777.9A priority Critical patent/CN114046495B/en
Publication of CN114046495A publication Critical patent/CN114046495A/en
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Publication of CN114046495B publication Critical patent/CN114046495B/en
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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
    • 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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Abstract

The embodiment of the invention provides an auxiliary steam source device for flexibly modifying a thermal power generating unit, and relates to the field of thermal power plants. Supplementary steam source device is reformed transform to thermal power unit flexibility includes that steam water preheats mechanism and residual water from the exhaust mechanism, steam water preheats the mechanism and installs in the device is whole, a heat for retrieving in the vapor, and transmit for thermal power unit, and then make can be effectively when reducing the waste of heat resources can indirect increase thermal power unit's generating efficiency, residual water is connected at the device is whole from the exhaust mechanism, a residual water for automatic discharging device is whole inside, do not influence the whole normal function of device, the device's automaticity has been embodied.

Description

Auxiliary steam source device for flexible modification of thermal power generating unit
Technical Field
The invention relates to the field of thermal power plants, in particular to an auxiliary steam source device for flexibly modifying a thermal power unit.
Background
At present, steam vapour source device on current thermal generator set is when putting into use, need be connected the mouth of pipe of external connection pipe and the mouth of pipe of connecting on the steam vapour source device, and current connected mode all utilizes the ring flange to connect, this kind of fixed connection mode is loaded down with trivial details, the operating procedure is complicated, and current steam vapour source device is inside can have a small amount of residual water after putting into use, if not discharging residual water will influence steam vapour source device normal use, and steam leaks through the discharge port of residual water easily when steam vapour source device is inside not to have residual water, thereby influence the use of steam vapour source device.
Meanwhile, the existing steam source device directly conveys the liquefied water into the thermal generator set for recycling after liquefying the moisture in the steam, and the liquefied water cannot be preheated by using the heat carried in the steam discharged from the air duct and then flows into the thermal generator set for use, so that the heat resource is wasted.
Therefore, how to design a thermal power generating unit and flexibly transform a thermal power generating unit to flexibly transform an auxiliary steam source device becomes a technical problem to be solved at present.
Disclosure of Invention
The invention aims to provide an auxiliary steam source device for flexibly modifying a thermal power generating unit, which can automatically treat residual water, preheat liquefied water by using heat carried in steam and fully utilize 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 body, an air inlet pipe, a heating delivery pipe, a DCS (distributed control system) plug block, a condensing device, a supporting bottom plate, a water guide pipe, an adjusting supporting leg, a steam water preheating mechanism and a residual water self-draining mechanism;
the air inlet pipe is connected to the whole device, the heating delivery pipe is connected to the air inlet pipe, the condensing device is connected to the top end of the whole device, the DCS inserting 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 middle part of the heating delivery pipe is provided with a first electromagnetic valve group;
the adjusting supporting legs are connected to the periphery of the bottom of the supporting bottom plate;
the steam water preheating mechanism is arranged on the whole device and used for recovering heat in the steam and transmitting the heat to the thermal generator set;
the residual water self-draining mechanism is connected to the whole device and used for automatically draining residual water in the whole device.
In an optional embodiment, the steam water preheating mechanism comprises a condenser, a condensing plate, a guide plate, a support plate and a U-shaped temporary storage pipe;
the condenser is connected in condensing equipment's inside, and the condensing panel 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 the holistic inner wall of device, and the pipe setting is kept in to the U type in the holistic inside of device, offers on the guide plate with the U type keep in the through-hole of pipe intercommunication.
In an optional embodiment, the residual water self-draining mechanism comprises a protective shell, and an integrated circuit board, a PLC (programmable logic controller), a first liquid level sensor, a second liquid level sensor and a third electromagnetic valve group which are arranged inside the protective shell;
protecting sheathing connects in the holistic bottom of device, and the PLC controller is connected on integrated circuit board, and first level sensor and second level sensor connect on integrated circuit board's top, and the setting of third electromagnetism valves is in the holistic inside bottom of device, and the third electromagnetism valves carries out electric connection through wire and PLC controller.
In an optional embodiment, the auxiliary steam source device for flexibly reforming the thermal power generating unit further comprises a pipe orifice sealing and connecting mechanism, and the pipe orifice sealing and connecting mechanism comprises a connecting shaft, a threaded sleeve, 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 an embedded mode, the threaded sleeve is welded to 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 pad is connected to the bottom end of the water guide pipe in an embedded mode;
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 adjustable support feet comprise square receiving slots, square nuts, threaded support posts, nested nuts, and support disc feet;
the square groove of accomodating is connected in the bottom of supporting baseplate, and the inboard embedding connection screw thread support column in the square groove of accomodating, the square nut of top welding of screw thread support column, the size adaptation in the square groove of accomodating of square nut and square, the bottom of screw thread support column connect support disc foot, the peripheral nested nut of nested connection in bottom of screw thread support column, the through-hole inboard that nested nut runs through the screw thread support column is provided with the thread groove with the peripheral adaptation of screw thread support column.
In an alternative embodiment, the left periphery of the air inlet pipe is connected with a fixed ring in a nesting mode.
In an alternative embodiment, the bottom right surface of the fixing ring is welded with a supporting column, and the supporting column is cylindrical.
In an alternative embodiment, a check valve is provided on the inner right side of the intake pipe.
In an optional implementation mode, the bottom end of the U-shaped temporary storage pipe is provided with two groups of second electromagnetic valve groups which are respectively arranged at the bottom ends of two sides of the U-shaped temporary storage pipe.
In an alternative embodiment, the top end of the DCS patch block is provided with a metal heat sink.
To sum up, the thermal power generating unit flexibly transformed 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 heat carried in the steam can be effectively recovered and transferred to the thermal generator set after the whole device is put into use, and further, the waste of heat resources can be effectively reduced, and the power generation efficiency of the thermal generator set can be indirectly increased;
2. set up the residual water from drainage mechanism, make the device whole when putting into use through such setting, the residual water that sets up in the whole inside bottom position of device can be according to the water level height of residual water and automatic discharge from drainage mechanism, does not influence the whole normal function of device, has embodied the device's automaticity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an auxiliary steam source device for flexibly modifying a thermal power generating unit according to an embodiment of the present invention;
fig. 2 is a schematic front sectional view of an auxiliary steam source device for flexibly modifying a thermal power generating unit according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic sectional view of the adjustable support foot of FIG. 2;
fig. 6 is a block diagram showing the components of the residual water self-draining mechanism.
Icon: 1-the whole device; 2, an air inlet pipe; 3-a heating air delivery pipe; 4-DCS plug-in block; 5-a condensing unit; 6-supporting the bottom plate; 7-a water conduit; 8-adjusting the supporting legs; 801-square receiving groove; 802-square nut; 803-threaded support columns; 804-a nested nut; 805-support disc feet; 9-a first solenoid valve group; 10-a fixed ring; 11-a support column; 12-a check valve; 13-a condenser; 14-a cold plate; 15-a baffle; 16-a support plate; 17-U type temporary storage tube; 18-a second solenoid valve group; 19-a third electromagnetic valve group; 20-a connecting shaft; 21-a thread bush; 22-a projecting rod; 23-sealing rubber gasket; 24-a protective housing; 25-an integrated circuit board; 26-a PLC controller; 27-a first level sensor; 28-a second liquid level sensor; 29-metal heat sink.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying 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 present embodiment provides an auxiliary steam source device for flexibility modification of a thermal power generating unit, which is mainly applied to a thermal power generating unit, and the auxiliary steam source device for flexibility modification of a thermal power generating unit includes a device body 1, an air inlet pipe 2, a heating delivery pipe 3, a DCS plug-in block 4, a condensing unit 5, a support base plate 6, a water guide pipe 7, an adjusting support leg 8, a steam water preheating mechanism, a residual water self-draining mechanism, and a pipe orifice sealing connection mechanism.
Intake pipe 2 connects at the whole 1 left side middle part of device, heating installation conveyer pipe 3 connects at intake pipe 2's top middle part, 5 fixed connection of condensing equipment are in the middle of the whole 1 top of device, 4 fixed connection of DCS grafting piece are on the top of condensing equipment 5, 6 fixed connection of supporting baseplate are in the whole 1 bottom of device, aqueduct 7 is connected in the middle of the whole 1 bottom of device, adjust 8 fixed connection of supporting legs around the bottom of supporting baseplate 6.
Referring to fig. 2, the steam-water preheating mechanism is installed on the whole device 1, and is used for recovering heat in steam and transferring the heat to the thermal generator set. The steam water preheating mechanism comprises a condenser 13, a condensing plate 14, a guide plate 15, a support plate 16 and a U-shaped temporary storage pipe 17.
Specifically, the middle part of the heating delivery pipe 3 is provided with a first electromagnetic valve group 9, the peripheral nested connection in left side of intake pipe 2 has a fixed ring 10, the inside fixedly connected with condenser 13 of condensing equipment 5, the bottom both sides of condenser 13 are provided with condenser plate 14, the inside top fixedly connected with guide plate 15 of the whole 1 of device, the both sides fixedly connected with backup pad 16 of guide plate 15, backup pad 16 is connected on the whole 1 inner wall of device, the inside middle part of the whole 1 of device is provided with the pipe 17 of keeping in of U type, the inside bottom both sides of the whole 1 of device are provided with a third electromagnetic valve group 19.
Referring to fig. 1 to 3, the nozzle sealing connection mechanism includes a connection shaft 20, a threaded sleeve 21, a protruding rod 22 and a sealing rubber pad 23. Specifically, the periphery of the bottom of the water guide pipe 7 is connected with a connecting shaft 20 in an embedded mode, a threaded sleeve 21 is tightly welded at the bottom end of the periphery of the connecting shaft 20, a protruding rod 22 is fixedly connected to the middle of the periphery of the threaded sleeve 21, and a sealing rubber pad 23 is connected to the bottom end of the water guide pipe 7 in an embedded mode.
Referring to fig. 4, a residual water self-draining mechanism is connected to the apparatus body 1 for automatically draining residual water inside the apparatus body 1. The residual water self-draining mechanism comprises a protective shell 24, an integrated circuit board 25, a PLC (programmable logic controller) 26, a first liquid level sensor 27, a second liquid level sensor 28 and a third electromagnetic valve group 19, wherein the integrated circuit board 25, the PLC, the first liquid level sensor 27, the second liquid level sensor 28 and the third electromagnetic valve group 19 are mounted inside the protective shell 24.
Specifically, the device is characterized in that a protective casing 24 is fixedly connected to the left side of the bottom of the whole device 1, an integrated circuit board 25 is fixedly connected to the inside of the protective casing 24, a PLC (programmable logic controller) 26 is fixedly connected to the middle of the integrated circuit board 25, a first liquid level sensor 27 is fixedly connected to the top of the integrated circuit board 25, and a second liquid level sensor 28 is fixedly connected to the top of the integrated circuit board 25.
Referring to fig. 5, the adjustable support foot 8 includes a square receiving slot 801, a square nut 802, a threaded support post 803, a nested nut 804, and a support disk foot 805. The middle of the bottom of the adjusting supporting foot 8 is embedded and connected with a square accommodating groove 801, the inner side of the square accommodating groove 801 is embedded and connected with a threaded supporting column 803, and the bottom end of the threaded supporting column 803 is fixedly connected with a supporting disc foot 805.
Specifically, the top end of the threaded support column 803 is tightly welded with a square nut 802, the square nut 802 is matched with the square accommodating groove 801 in size, when a user needs to adjust the length of the adjusting support leg 8 to stably support the whole device 1, the user can push the threaded support column 803 to move up and down by using the rotary nested nut 804, because the top end of the threaded support column 803 is provided with the square nut 802, and the periphery of the square nut 802 is provided with the limited square accommodating groove 801, the threaded support column 803 can be pushed by the inner threaded groove to move up and down on the inner side of the square accommodating groove 801 when the nested nut 804 rotates, and the threaded support column 803 cannot rotate simultaneously 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 the nested nut 804 in a nested manner, a threaded groove matched with the periphery of the threaded support column 803 is formed in the inner side of a through hole, penetrating through the threaded support column 803, of the nested nut 804, four auxiliary rotating rods (not shown in the figure) are arranged in the middle of the periphery of the nested nut 804, and a limiting 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 using the nested nut 804, the user can drive the nested nut 804 to rotate in place by using the auxiliary rotating rods arranged in the middle of the periphery of the nested nut 804, and the nested nut 804 can be rotated more easily and conveniently by the arrangement, so that the purpose of adjusting the length of the support leg 8 is achieved.
Referring to fig. 2, a supporting pillar 11 is tightly welded on the right side surface of the bottom of the fixing ring 10, the supporting pillar 11 is cylindrical, one end of the supporting pillar 11 is tightly welded with the fixing ring 10, and the other end of the supporting pillar is tightly welded with the middle portion of the bottom of the left side of the device body 1, and the supporting pillar 11 and the fixing ring 10 can form a triangle with the air inlet pipe 2 and the outer wall of the left side of the device body 1 due to the arrangement, so that the air inlet pipe 2 can obtain a firmer auxiliary supporting force of the fixing ring 10 and the supporting pillar 11.
The interior right side of intake pipe 2 is provided with check valve 12, after the whole 1 of device comes into operation, when first solenoid valve group 9 is in the open mode, a large amount of vapor will be transmitted through heating installation conveyer pipe 3, and a small amount of vapor can circulate to the whole 1 inside of device through check valve 12 in addition, and just can't get back to in the intake pipe 2 through check valve 12 after a small amount of vapor circulates to the whole 1 inside of device through check valve 12 again, can effectually prevent the condition that the inside vapor of the whole 1 inside of entering device from appearing flowing backward through setting up of check valve 12.
The bottom of U type pipe 17 of keeping in is provided with second electromagnetism valves 18, second electromagnetism valves 18 is provided with two sets ofly, set up respectively in the both sides bottom of U type pipe 17 of keeping in, the whole 1 of device carries out electric connection through connecting wire and DCS remote control end, after the whole 1 completion of user's operative installations, user's accessible utilizes DCS remote control end control second electromagnetism valves 18 to open, open the back at second electromagnetism valves 18, the liquefied water of storage in U type pipe 17 of keeping in will circulate to thermal generator set through aqueduct 7 in, the water of keeping in U type pipe 17 of keeping in that can be more convenient empties through setting up of second electromagnetism valves 18.
The top left side of DCS grafting piece 4 is provided with metal cooling fin 29, because DCS grafting piece 4 sets up in a high temperature environment, so set up in the left metal cooling fin 29 in DCS grafting piece 4 top can effectually derive the inside heat that produces of DCS grafting piece 4, then arrange the heat outward through the air current again, can effectually prevent that the condition that DCS grafting piece 4 burns out because high temperature can not be handled through setting up of metal cooling fin 29 from appearing, thereby can effectual increase the life of DCS grafting piece 4.
The condenser 13 is used together 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 hot steam enters the device body 1 through the check valve 12, the steam can float upwards due to light quality, the condenser 13 arranged at the top in the device body 1 operates at the moment, the temperature of the condensing plate 14 is reduced when the condenser 13 operates, and therefore when the steam floats upwards and contacts with the condensing plate 14, the steam can be liquefied into water due to cold, when the steam is liquefied into water, the steam can flow into the U-shaped temporary storage pipe 17 through the guide plate 15, and because the U-shaped temporary storage pipe 17 is U-shaped, if the liquefied water cannot be higher than the water outlet of the U-shaped temporary storage pipe 17 after entering, the steam can be temporarily stored in the U-shaped temporary storage pipe 17, the liquefied water temporarily stored in the U-shaped temporary storage tube 17 is heated due to the heat carried by the steam entering from the air inlet tube 2, and the steam continuously enters the whole device 1 through the air inlet tube 2, therefore, when liquefied water continuously enters the U-shaped temporary storage pipe 17 through the guide plate 15, the liquefied water temporarily stored in the U-shaped temporary storage pipe 17 before is pushed to flow into the water guide pipe 7 and flow into the thermal generator set for heating, through the arrangement, the device whole body 1 can effectively recover the heat carried in the water vapor 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 heat can be heated and evaporated more quickly when entering the thermal generator set, and further, the power generation efficiency of the thermal generator set can be indirectly increased while the waste of heat resources is effectively reduced.
Referring to fig. 2, 4 and 6, the integrated circuit board 25 cooperates with the PLC controller 26, the first liquid level sensor 27, the second liquid level sensor 28 and the third electromagnetic valve set 19 to form a residual water self-draining mechanism, the third electromagnetic valve set 19 is electrically connected to the PLC controller 26 through a wire, when the device assembly 1 is put into use, a small amount of water vapor will be liquefied into water falling into the device assembly 1 within a range other than the receiving range of the guide plate 15, and the residual water remaining in the device assembly 1 can effectively cover the third electromagnetic valve sets 19 disposed at two sides of the bottom inside the device assembly 1, so that the water vapor entering the device assembly 1 cannot leak out to the water conduit 7 through the third electromagnetic valve sets 19, and when the residual water rises to the first liquid level sensor 27 disposed at the left top inside the device assembly 1, the first liquid level sensor 27 will transmit the information to the first liquid level sensor 27, and when the first liquid level sensor 27 receives the information, the control circuit arranged in the PLC controller 26 will be triggered, so that the PLC controller 26 will control the third electromagnetic valve set 19 to open, so that the residual water enters into the water guiding pipe 7 through the third electromagnetic valve set 19, and when the water level of the residual water drops to a position where the second liquid level sensor 28 arranged at the bottom position of the left side inside the device whole 1 is no longer submerged, the second liquid level sensor 28 will transmit the information to the second liquid level sensor 28, and when the second liquid level sensor 28 receives the information, another control circuit arranged in the PLC controller 26 will be started, so that the PLC controller 26 will control the third electromagnetic valve set 19 to close, so that a small amount of residual water submerges the third electromagnetic valve set 19, when the device is put into use, the residual water self-draining mechanism arranged at the bottom position inside the device body 1 can automatically control the third electromagnetic valve group 19 to be opened or closed according to the water level height of the residual water, so that the residual water inside the device body 1 can automatically operate without affecting the normal operation of the device body 1, and the automation of the device is embodied.
Referring to fig. 3, the connection shaft 20 is used in cooperation with the threaded sleeve 21, the protruding rod 22 and the sealing rubber pad 23 to form a pipe orifice sealing connection mechanism, the rubber convex column is arranged on the periphery of the top of the sealing rubber pad 23, the embedded groove adapted to the rubber convex column is arranged on the periphery of the bottom of the water conduit 7 in an embedded manner, when a user needs to connect the device body 1 with a connection pipeline of a thermal generator set in a sealing manner, the user needs to place the device body 1 at a proper position, and then the user can manually insert the connection pipeline of the thermal generator set into the water conduit 7 of the device body 1, after inserting, the user can manually hold the protruding rod 22 arranged around the periphery of the threaded sleeve 21 on the bottom of the water conduit 7 to drive the threaded sleeve 21 to rotate clockwise in situ with the connection shaft 20 as a supporting point, wherein the diameter of the connection pipeline of the thermal generator set is consistent with the diameter of the connection disk on the bottom of the water conduit 7, and 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 using the convex rod 22, the connecting pipeline of the thermal generator set is pushed to slowly approach the sealing rubber gasket 23 arranged at the bottom end of the water guide pipe 7, and after the connecting surface of the connecting pipeline of the thermal generator set is tightly attached to the sealing rubber gasket 23 at the bottom end of the water guide pipe 7, the connecting surface of the connecting pipeline of the thermal generator set is tightly attached to the sealing rubber gasket 23 due to the fact that the user continuously rotates the threaded sleeve 21 clockwise, so that the purpose of fixed sealing connection is achieved, otherwise, the air inlet pipe 2 and the heating delivery pipe 3 of the device whole body 1 are fixedly and hermetically connected with an external pipeline in the mode, and the air inlet pipe 2, the air inlet pipe 2 and the heating delivery pipe 3 of the device whole body 1 are required to be fixedly and hermetically connected by the user through the arrangement, When the heating delivery pipe 3 and the water guide pipe 7 are fixedly and hermetically connected with the external pipeline, the user can utilize the pipe orifice sealing connection mechanism arranged at the outer sides of the air inlet pipe 2, the heating delivery pipe 3 and the water guide pipe 7 to be fixedly and hermetically connected with the connecting pipeline, so that the user can more conveniently fixedly and hermetically connect the air inlet pipe 2 of the whole device 1, the heating delivery pipe 3 and the water guide pipe 7 with the external pipeline.
The operating principle of supplementary steam source device is reformed transform to the thermal power generating unit flexibility that this embodiment provided: firstly, when a user needs to carry out sealing connection between the device whole body 1 and a connecting pipeline of a thermal generator set, the user needs to put the whole device 1 in a proper position, the user can adjust the length of the user by utilizing the adjusting supporting feet 8, so that the whole device 1 can be stably erected on the current position for use, then, the user can fixedly and hermetically connect the air inlet pipe 2, the heating delivery pipe 3 and the water guide pipe 7 of the device whole body 1 with the connecting pipeline of the thermal generator set by using the pipe orifice sealing connecting mechanism, after the connection of the device whole body 1 and the thermal generator set is finished, when the whole device 1 is put into use, the whole device 1 can utilize the heat carried by the steam to recycle the heat resources by utilizing the steam water preheating mechanism arranged inside, and the residual water self-draining mechanism arranged at the bottom of the interior automatically drains the residual water in the interior.
The beneficial effect that supplementary steam source device was reformed transform to thermal power generating unit flexibility that this embodiment provided includes:
1. the steam water preheating mechanism is arranged, so that the heat carried in the steam can be effectively recovered by the steam liquefied water temporarily stored in the U-shaped temporary storage pipe 17 after the device whole body 1 is put into use, the steam liquefied water after absorbing the heat can enter the thermal generator set again to be heated and evaporated more quickly, and the power generation efficiency of the thermal generator set can be indirectly increased while the waste of heat resources is effectively reduced;
2. the residual water self-draining mechanism is arranged, so that when the whole device 1 is put into use, the residual water self-draining mechanism arranged at the bottom position in the whole device 1 can automatically control the third electromagnetic valve group 19 to be opened or closed according to the water level height of the residual water, so that the residual water in the whole device 1 can automatically operate under the automatic operation of the residual water self-draining mechanism, the normal operation of the whole device 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 in needs with the whole 1 intake pipe 2 of device through such setting, when heating installation conveyer pipe 3 and aqueduct 7 carry out fixed sealing connection with external pipeline, the user accessible utilizes the setting at intake pipe 2, mouth of pipe sealing connection mechanism and the connecting tube in the heating installation conveyer pipe 3 and the aqueduct 7 outside carry out fixed sealing connection with the connecting tube, thereby make the user can be more convenient with the whole 1 intake pipe 2 of device, heating installation conveyer pipe 3 and aqueduct 7 carry out fixed sealing connection with external pipeline.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The flexibility-improved auxiliary steam source device for the thermal power generating unit is characterized by comprising a device whole body (1), an air inlet pipe (2), a heating delivery pipe (3), a DCS (distributed control system) 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 air inlet pipe (2) is connected to the whole device body (1), the heating air conveying pipe (3) is connected to the air inlet pipe (2), the condensing device (5) is connected to the top end of the whole device body (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 body (1), the water guide pipe (7) is connected to the bottom of the whole device body (1), and a first electromagnetic valve group (9) is arranged in the middle of the heating air conveying pipe (3);
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 device whole body (1) 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 device body (1) and used for automatically draining residual water in the device body (1).
2. The thermal power generating unit flexibility improvement auxiliary steam source device of claim 1, characterized in that the steam preheating mechanism comprises a condenser (13), a condensing plate (14), a guide plate (15), a support plate (16) and a U-shaped temporary storage pipe (17);
condenser (13) are connected the inside of condensing equipment (5), condensing panel (14) set up the bottom both sides of condenser (13), guide plate (15) are connected the inside top of the whole (1) of device, backup pad (16) are connected the both sides of guide plate (15) and are connected to the inner wall of the whole (1) of device, the pipe (17) is kept in to the U type sets up the inside of the whole (1) of device, seted up on guide plate (15) with the through-hole of pipe (17) intercommunication is kept in to the U type.
3. The thermal power generating unit flexibility modification auxiliary steam source device as claimed in claim 1, wherein the residual water self-draining mechanism comprises a protective casing (24), and an integrated circuit board (25), a PLC (programmable logic controller) controller (26), a first liquid level sensor (27), a second liquid level sensor (28) and a third electromagnetic valve group (19) which are mounted inside the protective casing (24);
protecting sheathing (24) are connected the bottom of the whole (1) of device, PLC controller (26) are connected on integrated circuit board (25), first level sensor (27) with second level sensor (28) are connected the top of integrated circuit board (25), third electromagnetism valves (19) set up the inside bottom of the whole (1) of device, third electromagnetism valves (19) through the wire with PLC controller (26) carry out electric connection.
4. The thermal power generating unit flexibility improvement auxiliary steam source device according to claim 1, characterized in that the thermal power generating unit flexibility improvement auxiliary steam source device further comprises a pipe orifice sealing connection mechanism, and the pipe orifice sealing connection mechanism comprises a connection shaft (20), a threaded sleeve (21), a protruding rod (22) and a sealing rubber gasket (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 rubber sealing rubber gasket (23) is provided with a rubber convex column at the periphery of the top, and an embedded groove matched with the rubber convex column is embedded in the periphery of the bottom of the water guide pipe (7).
5. The thermal power generating unit flexibility improvement auxiliary steam source device according to claim 1, wherein the adjusting supporting feet (8) comprise a square accommodating groove (801), a square nut (802), a threaded supporting column (803), a nested nut (804) and a supporting disc foot (805);
the square storage groove (801) is connected to the bottom of the supporting base plate (6), the square storage groove (801) is embedded and connected to the inner side of the threaded supporting column (803), the top end of the threaded supporting column (803) is welded to the square nut (802), the square nut (802) is matched with the square storage groove (801) in size, the bottom end of the threaded supporting column (803) is connected to the supporting disc foot (805), the bottom of the threaded supporting column (803) is connected with the nested nut (804) in a peripheral nested mode, the nested nut (804) penetrates through the inner side of the through hole of the threaded supporting column (803) and is provided with a threaded groove matched with the periphery of the threaded supporting column (803).
6. The thermal power generating unit flexibility improvement auxiliary steam source device of claim 1, characterized in that the fixed ring (10) is connected in a nested manner to the left periphery of the air inlet pipe (2).
7. The thermal power generating unit flexibility modification auxiliary steam source device of claim 6, characterized in that a support column (11) is welded on the bottom right side surface of the fixed ring (10), and the support column (11) is cylindrical.
8. The thermal power generating unit flexibility improvement auxiliary steam source device of claim 1, characterized in that, the interior right side of intake pipe (2) is provided with check valve (12).
9. The thermal power generating unit flexibility improvement auxiliary steam source device of claim 2, characterized in that, the bottom of U type pipe (17) of keeping in is provided with second electromagnetism valves (18), second electromagnetism valves (18) are provided with two sets, set up respectively in the both sides bottom of U type pipe (17) of keeping in.
10. The thermal power generating unit flexibility improvement auxiliary steam source device of claim 1, characterized in that, the top of DCS grafting block (4) is provided with metal fin (29).
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Publication number Priority date Publication date Assignee Title
US20140013746A1 (en) * 2011-03-25 2014-01-16 Tsukishima Kikai Co., Ltd. Coal-fired power generating system and coal-fired power generating method
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140013746A1 (en) * 2011-03-25 2014-01-16 Tsukishima Kikai Co., Ltd. Coal-fired power generating system and coal-fired power generating method
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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