CN210373400U - Water supply system for desuperheater of cogeneration unit - Google Patents
Water supply system for desuperheater of cogeneration unit Download PDFInfo
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- CN210373400U CN210373400U CN201921264467.1U CN201921264467U CN210373400U CN 210373400 U CN210373400 U CN 210373400U CN 201921264467 U CN201921264467 U CN 201921264467U CN 210373400 U CN210373400 U CN 210373400U
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Abstract
The utility model discloses a combined heat and power units desuperheater water supply system, including condenser A, condenser B, output tube A, output tube B, miscellaneous header A, miscellaneous header B, the delivery pipe, connecting pipe and control valve, output tube A's both ends communicate condenser A and miscellaneous header A respectively, output tube B's both ends communicate condenser B and miscellaneous header B respectively, connecting pipe one end is connected and communicates with output tube A, the other end is connected and communicates with output tube B, the control valve sets up on the connecting pipe, the delivery pipe is connected and communicates with output tube A, the delivery pipe is in between condenser A and miscellaneous header A with output tube A's be connected, be provided with valve A on the output tube A, be provided with valve B on the output tube B. The utility model provides a combined heat and power generation unit desuperheater water supply system when a steam turbine stops, can keep apart it to the water supply of desuperheater and miscellaneous item header keeps, guarantees normal production.
Description
Technical Field
The utility model relates to a combined heat and power generation equipment especially relates to combined heat and power generation unit desuperheater water supply system.
Background
The cogeneration is also called as steam-electricity symbiosis, which utilizes a heat engine or a power station to simultaneously generate electric power and useful heat, a cogeneration unit generally ensures power generation and continuous and reliable industrial steam supply, a desuperheater is arranged on an industrial steam supply pipeline, only one path of desuperheating water is originally designed and supplied by a No. 1 steam turbine condensed water miscellaneous header, when the No. 1 steam turbine is overhauled and stopped, a spare water source is not provided for the desuperheater, the external steam supply temperature cannot be adjusted to a rated range, and the normal production of a heat consumer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combined heat and power generation unit desuperheater water supply system when a steam turbine stops, can keep apart it to keep the water supply to desuperheater and miscellaneous item header, guarantee normal production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a combined heat and power units desuperheater water supply system, including condenser A, condenser B, output tube A, output tube B, miscellaneous case A, miscellaneous case B, be used for to the desuperheater supply water pipe, connecting pipe and be used for controlling the control valve of connecting pipe break-make, the both ends of output tube A communicate respectively the output of condenser A with miscellaneous case A's input, the both ends of output tube B communicate respectively the output of condenser B with miscellaneous case B's input, connecting pipe one end with output tube A is connected and is communicated, the other end with output tube B is connected and is communicated, the control valve sets up on the connecting pipe, the input of supply pipe is connected and is communicated with output tube A, the supply pipe with output tube A's connection is in between condenser A and miscellaneous case A, the output pipe A is provided with a valve A, the valve A is arranged between the water supply pipe and the condenser A, the output pipe B is provided with a valve B, and the valve B is arranged between the connecting pipe and the condenser B.
The utility model has the advantages that: when the condenser A needs to be stopped and overhauled, the control valve is opened, the valve A is closed, the condenser A is isolated, and the condenser B supplies water to the miscellaneous header A and the desuperheater through the connecting pipe while supplying water to the miscellaneous header B; when the condenser B needs to be stopped and overhauled, a control valve is opened, and the condenser A supplies water to the miscellaneous header A and the desuperheater and simultaneously supplies water to the miscellaneous header B through a connecting pipe; when the condenser A and the condenser B both work normally, closing the control valve to separate the condenser A from the condenser B, supplying water to the miscellaneous header A and the desuperheater by the condenser A, and supplying water to the miscellaneous header B by the condenser B; can keep supplying water when any condenser overhauls, guarantee equipment normal operating.
The steam-seal heating system further comprises a steam-seal heater A and a steam-seal heater B, wherein the steam-seal heater A is arranged on the output pipe A, the steam-seal heater A is arranged between the water supply pipe and the condenser A, the steam-seal heater B is arranged on the output pipe B, and the steam-seal heater B is arranged between the connecting pipe and the condenser B.
The beneficial effect of adopting the further scheme is that: the steam seal heater A and the steam seal heater B respectively heat water provided by the condenser A and the condenser B to required temperatures.
The steam seal heater comprises a steam seal heater A, a steam supply pipe A, a steam return pipe B and a water return pipe B, wherein the steam seal heater A is connected with the steam seal heater A, the steam return pipe A is connected with the steam seal heater A, the steam seal heater A is connected with the steam supply pipe, the steam return pipe A is provided with a valve C, the steam return pipe B is connected with the steam seal heater B, the steam return pipe B is connected with the steam seal heater A, the steam return pipe B is communicated with the steam seal heater A, the steam return pipe A is connected with the steam seal heater A, the steam return pipe B is connected with the steam seal heater A, the steam return pipe.
The beneficial effect of adopting the further scheme is that: the condenser A and the condenser B can be self-circulated.
Further, the steam-seal heating device comprises a low-pressure heater group A, a low-pressure heater group B, a high-pressure deaerator, an output pipe C and an output pipe D, wherein one end of the output pipe C is connected and communicated with the input end of the high-pressure deaerator, the other end of the output pipe C is connected and communicated with the output pipe A, the output pipe C is connected with the output pipe A and is positioned between the steam-seal heater A and the water supply pipe, the low-pressure heater group A is arranged on the output pipe C, one end of the output pipe D is connected and communicated with the input end of the high-pressure deaerator, the other end of the output pipe D is connected and communicated with the output pipe B, the output pipe D is connected with the output pipe B and is positioned between the steam-seal heater B and the connecting pipe, the low-pressure heater group B is arranged on, the valve E is arranged between the low-pressure heater group A and the output pipe A, and the valve F is arranged between the low-pressure heater group B and the output pipe B.
The beneficial effect of adopting the further scheme is that: condenser A and condenser B supply water to the high-pressure deaerator through low pressure heater group A and low pressure heater group B respectively, no matter condenser A or condenser B shut down, the homoenergetic guarantees that there is water to supply to the high-pressure deaerator, keeps supplying water.
Further, the steam-seal.
The beneficial effect of adopting the further scheme is that: when the whole cogeneration unit is just started, the water in the pipeline cannot meet the requirement of high-pressure deoxidization and needs to be discharged from the high-pressure heater emergency drainage pipeline.
Furthermore, the water condensation pump pit water collection well water collection.
The beneficial effect of adopting the further scheme is that: the water in the output pipe A or the output pipe B can be discharged through the water discharge pipe C or the water discharge pipe D.
The water supply device further comprises a pump set A and a pump set B, wherein the pump set A is arranged on the output pipe A, the pump set B is arranged on the output pipe B, the pump set A is arranged between the water supply pipe and the condenser A, and the pump set B is arranged between the connecting pipe and the condenser B
The beneficial effect of adopting the further scheme is that: the pump set A and the pump set B provide power for water in the pipeline.
Drawings
FIG. 1 is a schematic view of the present invention;
in the figure: 11-condenser A, 12-condenser B, 21-miscellaneous header A, 22-miscellaneous header B, 31-gland heater A, 32-gland heater B, 41-low-pressure heater group A, 42-low-pressure heater group B, 51-connecting pipe, 52-water supply pipe, 53-output pipe A, 54-output pipe B, 55-water return pipe A, 56-water return pipe B, 57-output pipe C, 58-output pipe D, 591-water discharge pipe A, 592-water discharge pipe B, 593-water discharge pipe C, 594-water discharge pipe D, 6-high-pressure deaerator, 71-valve A, 72-valve B, 73-valve C, 74-valve D, 75-valve E, 76-valve F, 81-pump group A, 82-pump group B, 9-control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a combined heat and power generation unit desuperheater water supply system, which comprises a condenser a11, a condenser B12, an output pipe a53, an output pipe B54, a miscellaneous header a21, a miscellaneous header B22, a water supply pipe 52 for supplying water to the desuperheater, a connecting pipe 51 and a control valve 9 for controlling the on-off of the connecting pipe 51, two ends of the output pipe a53 are respectively communicated with the output end of the condenser a11 and the input end of the miscellaneous header a21, two ends of the output pipe B54 are respectively communicated with the output end of the condenser B12 and the input end of the miscellaneous header B22, one end of the connecting pipe 51 is connected and communicated with the output pipe a53, the other end is connected and communicated with the output pipe B54, the control valve 9 is arranged on the connecting pipe 51, the input end of the output pipe a53 is connected and communicated with the output pipe a53, the connection of the water supply pipe 52 and the output pipe a53 is arranged between the condenser a11 and, the valve a71 is arranged between the water supply pipe 52 and the condenser a11, the output pipe B54 is provided with a valve B72, the valve B72 is arranged between the connecting pipe 51 and the condenser B12, and 2 control valves 9 are arranged on the connecting pipe 51 in front and back in order to ensure sealing when the control valves 9 are closed.
The steam-seal heating device further comprises a steam-seal heater A31 and a steam-seal heater B32, wherein the steam-seal heater A31 is arranged on the output pipe A53, the steam-seal heater A31 is arranged between the water supply pipe 52 and the valve A71, the steam-seal heater B32 is arranged on the output pipe B54, and the steam-seal heater B32 is arranged between the connecting pipe 51 and the valve B72.
The steam-seal water heater further comprises a water return pipe A55 and a water return pipe B56, one end of a water return pipe A55 is connected and communicated with the input end of a condenser A11, the other end of the water return pipe A53 is connected and communicated with an output pipe A53, the water return pipe A55 and the output pipe A53 are connected between a steam-seal heater A31 and the water supply pipe 52, a valve C73 is arranged on the water return pipe A55, one end of a water return pipe B56 is connected and communicated with the input end of a condenser B12, the other end of the water return pipe B56 is connected and communicated with an output pipe B54, a water return pipe B56 and an output pipe B54 are connected between a steam-seal heater B32 and.
The low-pressure heating device comprises a low-pressure heater group A41, a low-pressure heater group B42, a high-pressure deaerator 6, an output pipe C57 and an output pipe D58, wherein one end of the output pipe C57 is connected and communicated with the input end of the high-pressure deaerator 6, the other end of the output pipe C53 is connected and communicated with the output pipe A53, the output pipe C57 is connected with the output pipe A53 and is positioned between a water return pipe A55 and a water supply pipe 52, a low-pressure heater group A41 is arranged on the output pipe C57, one end of the output pipe D58 is connected and communicated with the input end of the high-pressure deaerator 6, the other end of the output pipe D54 is connected and communicated with the output pipe B54 and is positioned between the water return pipe B56 and a connecting pipe 51, the low-pressure heater group B56 is arranged on the output pipe D56, a valve E56 is arranged on the output pipe C56, a valve F56 is arranged between the low-pressure heater group, high pressure oxygen-eliminating device 6 has a plurality ofly, a plurality of high pressure oxygen-eliminating device 6's input all communicates with same root conveyer pipe, output tube C57 and output tube D58 all communicate with high pressure oxygen-eliminating device 6's input through the conveyer pipe, low pressure heater group A41 and low price heater group B are each including 3 low pressure heater that connect gradually, close valve E75 and can keep apart low pressure heater group A41 and output tube A53, close valve E75 and can keep apart low pressure heater group B42 and output tube B54.
The water outlet pipe A591 and the water outlet pipe B are communicated with the emergency water drainage pipeline of the high-pressure heater, the input end of the water outlet pipe A591 is connected and communicated with the output pipe C57, the water outlet pipe A591 and the output pipe C57 are connected between the steam seal heater A31 and the high-pressure deaerator 6, the input end of the water outlet pipe B592 is connected and communicated with the output pipe D58, the water outlet pipe B592 and the output pipe D58 are connected between the steam seal heater B32 and the high-pressure deaerator 6, the output ends of the water outlet pipe A591 and the water outlet pipe B592 are both communicated with the emergency water drainage pipeline of the high-pressure heater, a valve G is arranged on the water outlet pipe A591, and a valve H is.
The water drain pipe C593 and the water drain pipe D594 that still include and condensate pump pit sump pit intercommunication, the input and the wet return A55 of water drain pipe C593 are connected and are communicated, the input and the wet return B56 of water drain pipe D594 are connected and are communicated, water drain pipe C593 is between valve C73 and condenser A11, water drain pipe D594 is between valve D74 and condenser B12, the output of water drain pipe C593 and water drain pipe D all communicates with condensate pump pit sump pit, be provided with valve I on the water drain pipe C593, be provided with valve J on the water drain pipe D594.
The device also comprises a pump group A81 and a pump group B82, wherein the pump group A81 is arranged on the output pipe A53, the pump group B82 is arranged on the output pipe B54, the pump group A81 is arranged between the valve A and the condenser A11, and the pump group B82 is arranged between the valve B and the condenser B12.
A drain pipe E is arranged on the condenser A11, a drain pipe F is arranged on the condenser B12, and both the drain pipe E and the drain pipe F are communicated with a condensate pump pit water collecting well.
The desuperheater connected to water supply line 52 is an industrial steam supply secondary desuperheater.
The miscellaneous header A21 and the miscellaneous header B22 are communicated with a steam seal system desuperheater, a water supply pump sealing water, a low-pressure cylinder for spraying water, a body drainage expansion tank for cooling, a condensed water sampling, a high-pressure bypass hydraulic valve and the like for supplying water, and the miscellaneous header A21 and the miscellaneous header B22 are provided with standby interfaces.
And pipelines for communicating with the low-pressure drain and water pump are arranged on the low-pressure heater group A41 and the low-pressure heater group B42.
The output end and the input end of the pump set A81 and the pump set B82 are both connected with pipelines communicated with a condensate pump pit and a water collecting well, and the pipelines are both provided with valves.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (7)
1. The utility model provides a combined heat and power generation unit desuperheater water supply system which characterized in that: the device comprises a condenser A (11), a condenser B (12), an output pipe A (53), an output pipe B (54), an miscellaneous header A (21), an miscellaneous header B (22), a water supply pipe (52) for supplying water to the desuperheater, a connecting pipe (51) and a control valve (9) for controlling the connection and disconnection of the connecting pipe (51), wherein two ends of the output pipe A (53) are respectively communicated with the output end of the condenser A (11) and the input end of the miscellaneous header A (21), two ends of the output pipe B (54) are respectively communicated with the output end of the condenser B (12) and the input end of the miscellaneous header B (22), one end of the connecting pipe (51) is connected and communicated with the output pipe A (53), the other end of the connecting pipe B (54) is connected and communicated, the control valve (9) is arranged on the connecting pipe (51), the input end of the water supply pipe (52) is connected and communicated with the output pipe A (53), the connection between the water supply pipe (52) and the output pipe A (53) is between the condenser A (11) and the miscellaneous header A (21), the output pipe A (53) is provided with a valve A (71), the valve A (71) is arranged between the water supply pipe (52) and the condenser A (11), the output pipe B (54) is provided with a valve B (72), and the valve B (72) is arranged between the connecting pipe (51) and the condenser B (12).
2. A cogeneration unit desuperheater water supply system of claim 1, wherein: the steam-seal heating device is characterized by further comprising a steam-seal heater A (31) and a steam-seal heater B (32), wherein the steam-seal heater A (31) is arranged on the output pipe A (53), the steam-seal heater A (31) is arranged between the water supply pipe (52) and the condenser A (11), the steam-seal heater B (32) is arranged on the output pipe B (54), and the steam-seal heater B (32) is arranged between the connecting pipe (51) and the condenser B (12).
3. A cogeneration unit desuperheater water supply system of claim 2, wherein: the steam-seal water heater is characterized by further comprising a water return pipe A (55) and a water return pipe B (56), one end of the water return pipe A (55) is connected and communicated with the input end of the condenser A (11), the other end of the water return pipe A (55) is connected and communicated with the output pipe A (53), the water return pipe A (55) and the output pipe A (53) are connected between the steam-seal heater A (31) and the water supply pipe (52), a valve C (73) is arranged on the water return pipe A (55), one end of the water return pipe B (56) is connected and communicated with the input end of the condenser B (12), the other end of the water return pipe B (56) is connected and communicated with the output pipe B (54), the water return pipe B (56) and the output pipe B (54) are connected between the steam-seal heater B (32) and the connecting pipe (51), and a valve D (74) is arranged on the water.
4. A cogeneration unit desuperheater water supply system of claim 2, wherein: the steam seal heating device is characterized by further comprising a low-pressure heater group A (41), a low-pressure heater group B (42), a high-pressure deaerator (6), an output pipe C (57) and an output pipe D (58), wherein one end of the output pipe C (57) is connected and communicated with the input end of the high-pressure deaerator (6), the other end of the output pipe C (57) is connected and communicated with the output pipe A (53), the output pipe C (57) and the output pipe A (53) are connected between the steam seal heater A (31) and the water supply pipe (52), the low-pressure heater group A (41) is arranged on the output pipe C (57), one end of the output pipe D (58) is connected and communicated with the input end of the high-pressure deaerator (6), the other end of the output pipe D (54) is connected and communicated with the output pipe B (54), the output pipe D (58) and the output pipe B (54) are connected between the steam, low pressure heater group B (42) set up in on output tube D (58), be provided with valve E (75) on output tube C (57), be provided with valve F (76) on output tube D (58), valve E (75) be in low pressure heater group A (41) with between output tube A (53), valve F (76) are in low pressure heater group B (42) with between output tube B (54).
5. A cogeneration unit desuperheater water supply system of claim 4, wherein: also comprises a water discharge pipe A (591) and a water discharge pipe B which are communicated with the emergency drain pipeline of the high-pressure heater, the input end of the water discharge pipe A (591) is connected and communicated with the output pipe C (57), the water discharge pipe A (591) is connected with the output pipe C (57) and is positioned between the steam seal heater A (31) and the high-pressure deaerator (6), the input end of the water discharge pipe B (592) is connected and communicated with the output pipe D (58), the water discharge pipe B (592) is connected with the output pipe D (58) and is positioned between the steam seal heater B (32) and the high-pressure deaerator (6), the output ends of the water discharge pipe A (591) and the water discharge pipe B (592) are communicated with an emergency drain pipeline of the high-pressure heater, the water discharge pipe A (591) is provided with a valve G, and the water discharge pipe B (592) is provided with a valve H.
6. A cogeneration unit desuperheater water supply system of claim 3, wherein: still include with drain pipe C (593) and drain pipe D (594) of condensing pump pit sump pit intercommunication, the input of drain pipe C (593) with wet return A (55) are connected and are communicate, the input of drain pipe D (594) with wet return B (56) are connected and are communicate, drain pipe C (593) with drain pipe D's output all communicates with condensing pump pit sump pit, be provided with valve I on drain pipe C (593), be provided with valve J on drain pipe D (594).
7. A cogeneration unit desuperheater water supply system of claim 1, wherein: still include pump package A (81) and pump package B (82), pump package A (81) set up in on output tube A (53), pump package B (82) set up in on output tube B (54), pump package A (81) are in delivery pipe (52) with between condenser A (11), pump package B (82) are in connecting pipe (51) with between condenser B (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264467.1U CN210373400U (en) | 2019-08-06 | 2019-08-06 | Water supply system for desuperheater of cogeneration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921264467.1U CN210373400U (en) | 2019-08-06 | 2019-08-06 | Water supply system for desuperheater of cogeneration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210373400U true CN210373400U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921264467.1U Active CN210373400U (en) | 2019-08-06 | 2019-08-06 | Water supply system for desuperheater of cogeneration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210373400U (en) |
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2019
- 2019-08-06 CN CN201921264467.1U patent/CN210373400U/en active Active
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| CB03 | Change of inventor or designer information |
Inventor after: Dai Tao Inventor after: Zheng Tao Inventor after: Su Wenlin Inventor after: Wang Yuzhu Inventor after: Gao Jianxiong Inventor after: Song Qingjie Inventor after: Tian Wen Inventor after: Li Zhenjiang Inventor before: Dai Tao Inventor before: Zheng Tao Inventor before: Su Wenlin Inventor before: Wang Yuzhu Inventor before: Gao Jianxiong Inventor before: Zhu Qingjie Inventor before: Tian Wen Inventor before: Li Zhenjiang |