CN205505146U - Pure unit heating system that congeals based on backpressure unit - Google Patents

Pure unit heating system that congeals based on backpressure unit Download PDF

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Publication number
CN205505146U
CN205505146U CN201620308420.0U CN201620308420U CN205505146U CN 205505146 U CN205505146 U CN 205505146U CN 201620308420 U CN201620308420 U CN 201620308420U CN 205505146 U CN205505146 U CN 205505146U
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China
Prior art keywords
unit
heating
backpressure
back pressure
heating system
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Active
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CN201620308420.0U
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Chinese (zh)
Inventor
肖冰
时莲莲
穆洪波
陈文廷
夏立峰
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De'an Power Engineering Beijing Co ltd
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De'an Power Engineering Beijing Co ltd
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Abstract

The utility model provides a pure unit heating system that congeals based on backpressure unit, including the steam turbine and in proper order rather than the backpressure unit and the heating network heater that are connected. The utility model discloses the use of energy cascade utilization principle is assembled the backpressure unit after the steam turbine, and at first through after the acting of backpressure unit, reentrant heating network heater can retrieve throttling loss to high parameter heat supply steam, improves generating set's economic benefits and energy comprehensive utilization efficiency. Will satisfy the inlet condition and the air input requirement of backpressure unit in energy cascade utilization, the discharge of fumes and gas also can satisfy tolerance requirement for the heating.

Description

Pure condensate unit heating system based on back pressure unit
Technical field
This utility model relates to a kind of heating system, and a kind of pure condensate unit based on back pressure unit supplies Hot systems.
Background technology
At present, the domestic pure condensate unit much having carried out transforming, it adds vapours and directly joins from mesolow Drawing on siphunculus, the steam parameter of this part is higher, especially pressure, also has the biggest acting ability, More directly as heating steam energy loss.
Summary of the invention
For weak point present in the problems referred to above, this utility model provides one can retrieve restriction loss, Improve the economic benefit of generating set and comprehensive utilization rate of energy source, meet back pressure unit inlet condition and Air inflow requirement, meanwhile, capacity also can meet the pure condensate based on back pressure unit of heating gas consumption requirement Unit heating system.
For achieving the above object, this utility model provides a kind of pure condensate of based on back pressure unit unit heat supply system System, including steam turbine (1) and the most coupled back pressure unit (2) and heat exchangers for district heating (3).
Above-mentioned pure condensate unit heating system based on back pressure unit, wherein, described heat exchangers for district heating (3) It is connected with heat supply network return pipe and heat supply network feed pipe respectively.
Compared with prior art, this utility model has the advantage that
This utility model utilizes energy cascade utilization principle, after back pressure unit is assemblied in steam turbine, high After parameter heating steam first passes through back pressure unit acting, enter back into heat exchangers for district heating, throttling can be retrieved and damage Lose, improve economic benefit and the comprehensive utilization rate of energy source of generating set.While energy cascade utilization The inlet condition of back pressure unit to be met and air inflow requirement, capacity also can meet heating gas consumption requirement.
After this utility model is implemented, except disclosure satisfy that heating demand, moreover it is possible to generate electricity, save mark coal more Consume, not only reduce pollutant emission, there is preferable environmental protection and social benefit, meet country's " joint Can reduce discharging " policy, there is good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Main Reference Numerals is described as follows:
1-steam turbine;2-back pressure unit;3-heat exchangers for district heating
Detailed description of the invention
As it is shown in figure 1, this utility model includes steam turbine 1 and the most coupled back pressure unit 2 with heat exchangers for district heating 3.Wherein, heat exchangers for district heating 3 is connected with heat supply network return pipe and heat supply network feed pipe respectively Logical.
According to energy cascade utilization principle, after back pressure unit is assemblied in steam turbine, high parameter heat supply is steamed After vapour first passes through back pressure unit acting, enter back into heat exchangers for district heating, restriction loss can be retrieved, improve and send out The economic benefit of group of motors and comprehensive utilization rate of energy source.Back pressure to be met while energy cascade utilization The inlet condition of unit and air inflow requirement, capacity also can meet heating gas consumption requirement.
By the station service electrical system being electrically accessed big machine sent by back pressure unit, that can improve unit supplies electric energy Power.
Pure condensate unit is transformed through heat supply, and the steam of heating system draws from mesolow cross over pipe, for Limits improves the performance driving economy of heating period, makes full use of the energy of intermediate pressure cylinder aerofluxus, is meeting machine On the premise of group heating load demand, configuring rearmounted back pressure unit, the heating steam of high parameter is introduced into back pressure After unit acting, it is down to steam pressure match with heat exchangers for district heating, retrieves restriction loss, its aerofluxus Enter heat exchangers for district heating.What back pressure unit sent is electrically accessed the station service electrical system of big machine, improves the confession of unit Power.Meanwhile, by regulation back pressure unit air inflow regulation heat supply network load.
In practical operation, stablize operating load about about 30% owing to back pressure unit is minimum, less than stable During operating load, heating is bled and need to be directly fed the external heat supply of heating heater by bypass.Real in project Shi Shi, according to actual heating load, when first cold period and end cold period heating load are too low, back pressure unit will be unable to Running, when only heating reaches certain load, unit just can run.
These are only preferred embodiment of the present utility model, be merely illustrative for invention, rather than Restrictive.Those skilled in the art understands, can in the spirit and scope that invention claim is limited It is carried out many changes, amendment, even equivalence, but falls within protection domain of the present utility model.

Claims (2)

1. a pure condensate unit heating system based on back pressure unit, it is characterised in that include steam turbine (1), And the most coupled back pressure unit (2) and heat exchangers for district heating (3).
Pure condensate unit heating system based on back pressure unit the most according to claim 1, its feature exists In, described heat exchangers for district heating (3) is connected with heat supply network return pipe and heat supply network feed pipe respectively.
CN201620308420.0U 2016-04-13 2016-04-13 Pure unit heating system that congeals based on backpressure unit Active CN205505146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620308420.0U CN205505146U (en) 2016-04-13 2016-04-13 Pure unit heating system that congeals based on backpressure unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620308420.0U CN205505146U (en) 2016-04-13 2016-04-13 Pure unit heating system that congeals based on backpressure unit

Publications (1)

Publication Number Publication Date
CN205505146U true CN205505146U (en) 2016-08-24

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Family Applications (1)

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CN201620308420.0U Active CN205505146U (en) 2016-04-13 2016-04-13 Pure unit heating system that congeals based on backpressure unit

Country Status (1)

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CN (1) CN205505146U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864344A (en) * 2019-10-30 2020-03-06 中国神华能源股份有限公司国华电力分公司 Heat supply system and method for coal-fired steam condenser unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864344A (en) * 2019-10-30 2020-03-06 中国神华能源股份有限公司国华电力分公司 Heat supply system and method for coal-fired steam condenser unit

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