CN209540852U - Boiler startup vapor-recovery system - Google Patents

Boiler startup vapor-recovery system Download PDF

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Publication number
CN209540852U
CN209540852U CN201920086257.1U CN201920086257U CN209540852U CN 209540852 U CN209540852 U CN 209540852U CN 201920086257 U CN201920086257 U CN 201920086257U CN 209540852 U CN209540852 U CN 209540852U
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China
Prior art keywords
recovery
valve
air
steam
blow
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CN201920086257.1U
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黄小勇
何品岩
徐建阳
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SHANGHAI YUNNENG ENERGY TECHNOLOGY Co Ltd
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SHANGHAI YUNNENG ENERGY TECHNOLOGY Co Ltd
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Abstract

The utility model provides a kind of boiler startup vapor-recovery system, including high-pressure gas collection header, the first air-out tube valve, blow-off line, Steam Recovery valve, temperature-decreased pressure reducer and recovery channel, high-pressure gas collection header pipeline connection blow-off line, first air-out tube valve is arranged in blow-off line, the position between high-pressure gas collection header and the first air-out tube valve of recovery channel pipeline connection blow-off line, Steam Recovery valve and temperature-decreased pressure reducer are arranged in recovery channel.Preferably, further including muffler, it is arranged in blow-off line, high-pressure gas collection header passes through the first air-out tube valve piping connection muffler.Further include the second air-out tube valve, is arranged in blow-off line and between high-pressure gas collection header and above-mentioned position.The utility model can efficiently use boiler startup steam discharge, reduce energy waste, reduce the noise pollution caused by environment, ingenious in design, and simple for structure, manufacture is easy, at low cost, be suitable for large-scale promotion application.

Description

Boiler startup vapor-recovery system
Technical field
The utility model relates to thermal power generating technology fields, in particular to boiler technology field, in particular to a kind of boiler Start vapor-recovery system.
Background technique
For the boiler in thermal power plant, refers in power plant and provided in specified quantity and quality steam greatly to steam turbine Type boiler is one of the main heat power equipment in thermal power plant, often matches with the Turbo-generator Set of certain capacity, main to use In power generation.
By being researched and analysed to existing boiler startup increasing temperature and pressure process, starting of the boiler of power plant in increasing temperature and pressure at present In the process, typically by air-out tube system to atmospheric steam exhaust, during assisting combustion system to control boiler startup The pressure and temperature of steam, in general steam pressure reach 1.0Mpa, and temperature is to 200 DEG C, so that it may be recycled, thermoelectricity Joint production boiler start-up course generally at 2 hours~4 hours, is not utilized in this stage a large amount of steam and is discharged into atmosphere, energy Source waste is serious, and noise pollution can be caused to environment, therefore reduces the steam discharge during boiler startup, improves steam power plant Economic benefit has great significance.
Existing air-out tube system generally includes high-pressure gas collection header, air-out tube valve and blow-off line, high-pressure gas collection Header pipeline connection blow-off line, air-out tube valve are arranged in blow-off line.In use, opening air-out tube valve, collect Steam in high-pressure gas collection header thinks atmospheric steam exhaust by blow-off line.
Therefore, a large amount of steam by air-out tube system direct emission enters atmosphere during boiler startup, causes steam Huge waste, very big noise pollution is also caused to ambient enviroment, the capacity of boiler is bigger, causes waste of steam to get in operation Seriously.
In order to efficiently use this part boiler startup steam discharge, it is desirable to provide a kind of boiler startup vapor-recovery system, energy Boiler startup steam discharge is enough efficiently used, energy waste is reduced, reduces the noise pollution caused by environment.
Utility model content
In order to overcome the disadvantages of the prior art mentioned above, one of the utility model is designed to provide a kind of boiler startup Vapor-recovery system can efficiently use boiler startup steam discharge, reduce energy waste, and it is dirty to reduce the noise caused by environment Dye is suitable for large-scale promotion application.
The another object of the utility model is to provide a kind of boiler startup vapor-recovery system, ingenious in design, structure Succinctly, manufacture is easy, at low cost, is suitable for large-scale promotion application.
To achieve the above objectives, the utility model provides a kind of boiler startup vapor-recovery system, including high-pressure gas collection collection Case, the first air-out tube valve and blow-off line, blow-off line described in the high-pressure gas collection header pipeline connection, described first to sky Exhaust steam valve be arranged in the blow-off line, its main feature is that, the boiler startup vapor-recovery system further include Steam Recovery valve, Temperature-decreased pressure reducer and recovery channel, blow-off line described in the recovery channel pipeline connection be located at the high-pressure gas collection header and Position between the first air-out tube valve, the Steam Recovery valve and the temperature-decreased pressure reducer are arranged in the recovery channel In.
Preferably, the first air-out tube valve is air-out tube motor-driven valve or air-out tube hand-operated valve.
Preferably, the Steam Recovery valve is isolating valve.
Preferably, the high-pressure gas collection header passes through temperature-decreased pressure reducer described in the Steam Recovery valve piping connection.
Preferably, the number of the Steam Recovery valve is 2,2 Steam Recovery valves are connected in series.
Preferably, the boiler startup vapor-recovery system further includes muffler, the muffler is arranged in the steam discharge In pipeline, the high-pressure gas collection header passes through muffler described in the first air-out tube valve piping connection.
Preferably, the boiler startup vapor-recovery system further includes the second air-out tube valve, second air-out tube Valve is arranged in the blow-off line and between the high-pressure gas collection header and the position.
More preferably, the second air-out tube valve is air-out tube motor-driven valve or air-out tube hand-operated valve.
The beneficial effects of the utility model essentially consist in:
1, the boiler startup vapor-recovery system of the utility model includes high-pressure gas collection header, the first air-out tube valve, row Steam pipe road, Steam Recovery valve, temperature-decreased pressure reducer and recovery channel, high-pressure gas collection header pipeline connection blow-off line, first to sky Exhaust steam valve is arranged in blow-off line, and recovery channel pipeline connection blow-off line is located at high-pressure gas collection header and first to idle discharge Position between steam valve, Steam Recovery valve and temperature-decreased pressure reducer are arranged in recovery channel, thus during boiler startup, when Steam pressure reaches 1.0Mpa, and temperature closes the first external steam discharge of air-out tube valve to 200 DEG C, opens Steam Recovery valve, passes through Temperature-decreased pressure reducer is to heat supply network steam supply, therefore, can efficiently use boiler startup steam discharge, reduce energy waste, reduce to environment Caused by noise pollution, be suitable for large-scale promotion application.
2, the boiler startup vapor-recovery system of the utility model includes high-pressure gas collection header, the first air-out tube valve, row Steam pipe road, Steam Recovery valve, temperature-decreased pressure reducer and recovery channel, high-pressure gas collection header pipeline connection blow-off line, first to sky Exhaust steam valve is arranged in blow-off line, and recovery channel pipeline connection blow-off line is located at high-pressure gas collection header and first to idle discharge Position between steam valve, Steam Recovery valve and temperature-decreased pressure reducer are arranged in recovery channel, thus during boiler startup, when Steam pressure reaches 1.0Mpa, and temperature closes the first external steam discharge of air-out tube valve to 200 DEG C, opens Steam Recovery valve, passes through Temperature-decreased pressure reducer is to heat supply network steam supply, therefore, ingenious in design, simple for structure, and manufacture is easy, at low cost, is suitable for large-scale promotion Using.
The these and other objects of the utility model, feature and advantage are wanted by following detailed descriptions, attached drawing and right It acquires to fully demonstrate, and can be achieved by means, device and the their combination specially pointed out in appended claims.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the boiler startup vapor-recovery system of the utility model.
(symbol description)
1 high-pressure gas collection header;2 first air-out tube valves;3 blow-off lines;4 Steam Recovery valves;5 temperature-decreased pressure reducers;6 recycling Pipeline;7 mufflers;8 second air-out tube valves.
Specific embodiment
In order to be more clearly understood that the technology contents of the utility model, spy lifts following embodiment and is described in detail.
Shown in Figure 1, in a specific embodiment of the utility model, the boiler startup steam of the utility model is returned Receipts system includes high-pressure gas collection header 1, the first air-out tube valve 2, blow-off line 3, Steam Recovery valve 4, temperature-decreased pressure reducer 5 and returns Closed tube road 6, blow-off line 3 described in 1 pipeline connection of high-pressure gas collection header, the first air-out tube valve 2 are arranged described In blow-off line 3, blow-off line 3 described in 6 pipeline connection of recovery channel is located at the high-pressure gas collection header 1 and described the Position between one air-out tube valve 2, the Steam Recovery valve 4 and the temperature-decreased pressure reducer 5 are arranged in the recovery channel 6 In.
The first air-out tube valve 2 can be any suitable air-out tube valve, preferably, first air-out tube Valve 2 is air-out tube motor-driven valve or air-out tube hand-operated valve.It is shown in Figure 1, in a specific embodiment of the utility model In, the first air-out tube valve 2 is air-out tube motor-driven valve.
The Steam Recovery valve 4 can be any suitable Steam Recovery valve, in a specific embodiment of the utility model In, the Steam Recovery valve 4 is isolating valve.
The setting sequence of the Steam Recovery valve 4 and the temperature-decreased pressure reducer 5 in the recovery channel 6 can be according to need It was determined that shown in Figure 1, in a specific embodiment of the utility model, the high-pressure gas collection header 1 passes through the steaming Temperature-decreased pressure reducer 5 described in 4 piping connection of vapour recovery valve.
The number of the Steam Recovery valve 4 can according to need determination, shown in Figure 1, the one of the utility model In specific embodiment, the number of the Steam Recovery valve 4 is 2, and 2 Steam Recovery valves 4 are connected in series.
It is shown in Figure 1 in order to reduce influence of noise of the starting steam discharge process to ambient enviroment, in the utility model In one specific embodiment, the boiler startup vapor-recovery system further includes muffler 7, and the muffler 7 is arranged in the row In steam pipe road 3, the high-pressure gas collection header 1 passes through muffler 7 described in 2 piping connection of the first air-out tube valve.
Starting steam discharge process is controlled for convenience, it is shown in Figure 1, in a specific implementation of the utility model In example, the boiler startup vapor-recovery system further includes the second air-out tube valve 8, and the setting of the second air-out tube valve 8 exists In the blow-off line 3 and between the high-pressure gas collection header 1 and the position.
The second air-out tube valve 8 can be any suitable air-out tube valve, more preferably, second air-out tube Valve 8 is air-out tube motor-driven valve or air-out tube hand-operated valve.It is shown in Figure 1, in a specific embodiment of the utility model In, the second air-out tube valve 8 is air-out tube hand-operated valve.
In use, recovery channel 6 and steam supply heat supply network piping connection before boiler startup, are opened the first air-out tube valve 2 With the second air-out tube valve 8, steam off recovery valve 4 and temperature-decreased pressure reducer 5, then starting trouble;During boiler startup, When steam pressure reaches 1.0MPa, when temperature is to 200 DEG C, the external steam discharge of the first air-out tube valve 2 is closed, Steam Recovery valve is opened 4 and temperature-decreased pressure reducer 5, steam is by temperature-decreased pressure reducer 5 to heat supply network steam supply (steam flow is shown in arrow direction in Fig. 1).
The utility model before air-out tube valve by accessing import of the recovery channel to temperature-decreased pressure reducer, the steam of recycling After pressure and temperature reducing, to existing heat network system steam supply.Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model effectively reduces the loss of steam and water of boiler startup steam discharge process, improves the economy of power plant;
(2) the utility model reduces influence of noise of the boiler startup steam discharge process to ambient enviroment, improves power plant Environmental protection effect.
To sum up, the boiler startup vapor-recovery system of the utility model can efficiently use boiler startup steam discharge, reduce energy Source waste reduces the noise pollution caused by environment, ingenious in design, and simple for structure, manufacture is easy, at low cost, is suitable for extensive It promotes and applies.
It can be seen that the purpose of this utility model completely and is effectively achieved.The function of the utility model and Structural principle is shown and is illustrated in embodiment, and under without departing substantially from the principle, embodiment can make any modification.Institute With the utility model includes all variant embodiments based on claim spirit and scope of the claims.

Claims (8)

1. a kind of boiler startup vapor-recovery system, including high-pressure gas collection header, the first air-out tube valve and blow-off line, described Blow-off line described in high-pressure gas collection header pipeline connection, the first air-out tube valve are arranged in the blow-off line, special Sign is that the boiler startup vapor-recovery system further includes Steam Recovery valve, temperature-decreased pressure reducer and recovery channel, the recycling Conduit line is connected to the position between the high-pressure gas collection header and the first air-out tube valve of the blow-off line, The Steam Recovery valve and the temperature-decreased pressure reducer are arranged in the recovery channel.
2. boiler startup vapor-recovery system as described in claim 1, which is characterized in that the first air-out tube valve be to Idle discharge vapour motor-driven valve or air-out tube hand-operated valve.
3. boiler startup vapor-recovery system as described in claim 1, which is characterized in that the Steam Recovery valve is isolation Valve.
4. boiler startup vapor-recovery system as described in claim 1, which is characterized in that the high-pressure gas collection header passes through institute State temperature-decreased pressure reducer described in Steam Recovery valve piping connection.
5. boiler startup vapor-recovery system as described in claim 1, which is characterized in that the number of the Steam Recovery valve is 2,2 Steam Recovery valves are connected in series.
6. boiler startup vapor-recovery system as described in claim 1, which is characterized in that boiler startup Steam Recovery system System further includes muffler, and the muffler is arranged in the blow-off line, the high-pressure gas collection header by described first to Muffler described in idle discharge steam valve piping connection.
7. boiler startup vapor-recovery system as described in claim 1, which is characterized in that boiler startup Steam Recovery system System further includes the second air-out tube valve, and the second air-out tube valve is arranged in the blow-off line and is located at the high pressure collection Between gas header and the position.
8. boiler startup vapor-recovery system as claimed in claim 7, which is characterized in that the second air-out tube valve be to Idle discharge vapour motor-driven valve or air-out tube hand-operated valve.
CN201920086257.1U 2019-01-18 2019-01-18 Boiler startup vapor-recovery system Active CN209540852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920086257.1U CN209540852U (en) 2019-01-18 2019-01-18 Boiler startup vapor-recovery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920086257.1U CN209540852U (en) 2019-01-18 2019-01-18 Boiler startup vapor-recovery system

Publications (1)

Publication Number Publication Date
CN209540852U true CN209540852U (en) 2019-10-25

Family

ID=68270412

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920086257.1U Active CN209540852U (en) 2019-01-18 2019-01-18 Boiler startup vapor-recovery system

Country Status (1)

Country Link
CN (1) CN209540852U (en)

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