CN205878683U - high back pressure , heat pump set's heating system who jointly uses - Google Patents

high back pressure , heat pump set's heating system who jointly uses Download PDF

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Publication number
CN205878683U
CN205878683U CN201620383260.6U CN201620383260U CN205878683U CN 205878683 U CN205878683 U CN 205878683U CN 201620383260 U CN201620383260 U CN 201620383260U CN 205878683 U CN205878683 U CN 205878683U
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CN
China
Prior art keywords
heat supply
water
supply network
condenser
back pressure
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Expired - Fee Related
Application number
CN201620383260.6U
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Chinese (zh)
Inventor
王凤良
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Datang Northeast Electric Power Test and Research Institute Co Ltd
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Datang Northeast Electric Power Test and Research Institute Co Ltd
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Priority to CN201620383260.6U priority Critical patent/CN205878683U/en
Application granted granted Critical
Publication of CN205878683U publication Critical patent/CN205878683U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a high back pressure, heat pump set's heating system who jointly uses, utilize the system including low pressure jar, condenser, heat supply network peak load calorifier, absorption heat pump unit, heat supply network return water temperature. The absorption heat pump unit is established ties on heat supply network circulating water wet return way, utilizes the high back pressure unit heating drive absorption heat pump unit that draws gas, the heating hydrophobic condensate system of going of drawing gas. The absorption heat pump unit reduces heat supply network circulating water return water temperature through the heat that absorbs high temperature heat supply network return water, guarantees high back pressure heat supply unit's operation safety. Can be used to clean water, energy saving and emission reduction behind the absorptive high back pressure heat supply heat supply network return water heat of the absorption heat pump unit heating low temperature water source.

Description

High back pressure, the heating system of use in conjunction of source pump
Technical field
This utility model relates to the heating system of the use in conjunction of a kind of high back pressure, source pump.
Background technology
Recently as country, energy-saving and emission-reduction being required, dynamics is continuously increased, the popularization of various energy-conserving and emission-cutting technologies should With, high back pressure heat supply process is a kind of emerging heat supply process, and core technology is to utilize low pressure (LP) cylinder exhausted spare heat heating heat supply network to follow Ring water, utilizes Turbine Cold Junction to lose heat supply, it is achieved Turbine Cold Junction loss is the heating system of zero.The visitor of this heat supply process Sight condition is to have enough area of heat-supply services and a certain amount of heat supply network recirculated water to take away the latent heat of vaporization of low pressure (LP) cylinder, it is ensured that high back pressure The safe and stable operation of retrofitted unit.But, it is to constrain at limited area of heat-supply service and relatively small number of heat supply network quantity of circulating water The popularization of high back pressure heat supply renovation technique.When heat supply network circulating water flow is less, in identical exhaust casing waste heat and identical confession On the premise of hot side is long-pending, causes heat supply network recirculated water return water temperature higher, affect the operation safety of High Back Pressure Steam Turbine Units.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding a kind of high back pressure, heat pump machine The heating system of the use in conjunction of group so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of high back pressure, combining of source pump should Heating system, in the case of limited area of heat-supply service and heat supply network quantity of circulating water, on heat supply network recirculated water water return pipeline go here and there Connection source pump, utilizes low-temperature water source to carry out heat exchange, it is achieved reduce the purpose of hot net water backwater.
This utility model high back pressure, the heating system of use in conjunction of source pump, including: intermediate pressure cylinder, low pressure (LP) cylinder, generating Machine, the rotor of intermediate pressure cylinder, the rotor of low pressure (LP) cylinder, the rotor coaxial driving of electromotor, the venthole of medium pressure cylinder passes through defeated vapour Pipeline and the air intake of described low pressure (LP) cylinder, described gas pipeline is provided with control valve;Also include that condenser, described low pressure (LP) cylinder go out Mouth is by the inlet communication of aqueduct with condenser, and described connection condenser is provided with hydrophobic outlet;
The heat supply phase, also including heat supply network peak load calorifier, the venthole of medium pressure cylinder is by hot gas path connection heat supply network point Peak heater;
Heat supply network return water system is connected with the water inlet of condenser by heat supply network water return pipeline, and the outlet of condenser is by warm The import of aquaporin connection heat supply network peak load calorifier, the outlet heat supply network water system of heat supply network peak load calorifier;In described heat Being in series with source pump on net water return pipeline, the water inlet of described source pump connects backwater cooling system by cold water pipes, Described backwater cooling system is less than the water source of described return water temperature by cold water pipes output temperature, and water source is through source pump Outlet exports.
Further, the backwater cooling system described in connection is provided with current with the cold water pipes of the water inlet of source pump Valve.
Further, backwater cooling system is tap water supply system.
Further, the pipeline connecting described cryophorus and described source pump is provided with backwater valve.
Further, the non-heat supply phase, also include cooling tower, the water inlet of the outlet connection cooling tower of described condenser, The outlet of the water inlet connection cooling tower of described condenser.
By such scheme, this utility model high back pressure, the heating system of use in conjunction of source pump at least have with Lower advantage:
1, the feasibility of high back pressure heat supply and safety under the conditions of limited area of heat-supply service and heat supply network quantity of circulating water.
2, connect on heat supply network recirculated water water return pipeline absorption type heat pump assembly, utilize High Back Pressure Steam Turbine Units heating to draw gas driving Source pump absorbs heat supply network recirculated water backwater heat, reduces heat supply network recirculated water return water temperature.
3, the heat supply network recirculated water backwater heat low-temperature water source that source pump absorbs is used as cleaning water, it is achieved energy ladder Level utilizes.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed Describe in detail bright as after.
Accompanying drawing explanation
Fig. 1 is the winter operation flow chart of the heating system of the use in conjunction of this utility model high back pressure, source pump;
Fig. 2 is the summer operation flow chart of the heating system of the use in conjunction of this utility model high back pressure, source pump;
Intermediate pressure cylinder 1, control valve 2, low pressure (LP) cylinder 3, condenser 4, heat supply network peak load calorifier 5, backwater valve 6, backwater valve 7, source pump 8, current valve 9, return water temperature utilizes system 10, electromotor 11, cooling tower 12.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Below Embodiment is used for illustrating this utility model, but is not limited to scope of the present utility model.
If Fig. 1 is to shown in 2, the present embodiment high back pressure, the heating system of use in conjunction of source pump, including: intermediate pressure cylinder 1, low pressure (LP) cylinder 3, electromotor 11, the rotor of intermediate pressure cylinder, the rotor of low pressure (LP) cylinder, the rotor coaxial driving of electromotor, medium pressure cylinder The venthole air intake by gas pipeline and described low pressure (LP) cylinder, described gas pipeline is provided with control valve 2;Also include coagulating Vapour device 4, the outlet of described low pressure (LP) cylinder by the inlet communication of aqueduct Yu condenser, described connection condenser be provided with hydrophobic go out The mouth of a river;
The heat supply phase, also including heat supply network peak load calorifier 5, the venthole of medium pressure cylinder is by hot gas path connection heat supply network point Peak heater;
Heat supply network return water system is connected with the water inlet of condenser by heat supply network water return pipeline, and the outlet of condenser is by warm The import of aquaporin connection heat supply network peak load calorifier, the outlet heat supply network water system of heat supply network peak load calorifier;In described heat Being in series with source pump 8 on net water return pipeline, the water inlet of described source pump connects backwater cooling system by cold water pipes, Described backwater cooling system is less than the water source of described return water temperature by cold water pipes output temperature, and backwater cooling system is from the beginning Water supply system, water source utilizes system 10 through the outlet output of source pump to return water temperature.
Backwater cooling system described in connection is provided with current valve 9 with the cold water pipes of the water inlet of source pump.Even Logical described cryophorus is provided with backwater valve 7 with the pipeline of described source pump.Described hot water channel is provided with backwater valve 6.
The non-heat supply phase, also include cooling tower 12, the water inlet of the outlet connection cooling tower of described condenser, described condensing The outlet of the water inlet connection cooling tower of device.
This utility model high back pressure, the heating system of use in conjunction of source pump, on the basis of extraction condensing type thermal power plant unit On, in the winter time during heat supply, heat supply network recirculated water is introduced in the condenser after strengthening reconstruction, utilizes the vapour of low pressure (LP) cylinder steam discharge Change Topography heat supply network recirculated water, through condenser heating heat supply network circulating water temperature at about 65-70 DEG C, by highback press The post bake as heat supply network recirculated water that the heating of group is drawn gas and heating as the occasion requires is drawn gas, by heat supply network circulating water heating to 110 DEG C Left and right is to secondary heat supply network heat supply.Heat supply situation according to retrofitted unit region, the return water temperature of heat supply network recirculated water is the poorest Different, general heat supply network circulating water temperature is the lowest more good.But, after Transformation of Unit, unit heat capacity increases, minimum at retrofitted unit Under electric load, low pressure (LP) cylinder steam discharge all heats heat supply network recirculated water, if current area of heat-supply service does not increases, through secondary heat supply network heat exchange After, heat supply network recirculated water return water temperature is the highest, affects the safety in operation of High Back Pressure Steam Turbine Units.This utility model is by design High back pressure-source pump comprehensive utilization controls heat supply network recirculated water return water temperature system, reduces heat supply network recirculated water return water temperature, it is achieved The feasibility of high back pressure heat supply transformation, it addition, the heat supply network recirculated water backwater heat low-temperature water source absorbed is used as cleaning water.
This utility model high back pressure, the heating system of use in conjunction of source pump, on heat supply network recirculated water water return pipeline Series connection absorption type heat pump assembly, utilizes High Back Pressure Steam Turbine Units heating to draw gas and drives source pump to absorb heat supply network recirculated water backwater heat, Reduce heat supply network recirculated water return water temperature.Can be used for clear after the heat supply network recirculated water backwater heat low-temperature water source that source pump absorbs Clean water.Exert oneself scalable heat supply network recirculated water return water temperature by adjusting source pump.
The above is only preferred implementation of the present utility model, is not limited to this utility model, it is noted that For those skilled in the art, on the premise of without departing from this utility model know-why, it is also possible to do Going out some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.

Claims (3)

1. the heating system of the use in conjunction of a high back pressure, source pump, it is characterised in that including: intermediate pressure cylinder, low pressure (LP) cylinder, Electromotor, the rotor of intermediate pressure cylinder, the rotor of low pressure (LP) cylinder, the rotor coaxial driving of electromotor, the venthole of medium pressure cylinder passes through Gas pipeline and the air intake of described low pressure (LP) cylinder, described gas pipeline is provided with control valve;Also include condenser, described low pressure The cylinder outlet inlet communication by aqueduct Yu condenser, described connection condenser is provided with hydrophobic outlet;
The heat supply phase, also including heat supply network peak load calorifier, the venthole of medium pressure cylinder is added by hot gas path connection heat supply network spike Hot device;
Heat supply network return water system is connected with the water inlet of condenser by heat supply network water return pipeline, and the outlet of condenser is led to by hot water The import of road connection heat supply network peak load calorifier, the outlet heat supply network water system of heat supply network peak load calorifier;Return at described heat supply network Being in series with source pump on waterpipe, the water inlet of described source pump connects backwater cooling system by cold water pipes, described Backwater cooling system is less than the water source of described return water temperature by cold water pipes output temperature, and water source is through the water outlet of source pump Mouth output;
The pipeline connecting described condenser and described source pump is provided with backwater valve.
High back pressure the most according to claim 1, the heating system of use in conjunction of source pump, it is characterised in that backwater Cooling system is tap water supply system.
High back pressure the most according to claim 1, the heating system of use in conjunction of source pump, it is characterised in that also wrap Include cooling tower, the water inlet of the outlet connection cooling tower of described condenser, the water inlet connection cooling tower of described condenser Outlet.
CN201620383260.6U 2016-04-29 2016-04-29 high back pressure , heat pump set's heating system who jointly uses Expired - Fee Related CN205878683U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201620383260.6U CN205878683U (en) 2016-04-29 2016-04-29 high back pressure , heat pump set's heating system who jointly uses

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Publication Number Publication Date
CN205878683U true CN205878683U (en) 2017-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107420138A (en) * 2017-08-02 2017-12-01 大唐东北电力试验研究所有限公司 Turbo-generator Set novel energy-conserving system and method
CN107477649A (en) * 2017-08-02 2017-12-15 大唐东北电力试验研究所有限公司 Turbo-generator Set integrates afterheat utilizing system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107420138A (en) * 2017-08-02 2017-12-01 大唐东北电力试验研究所有限公司 Turbo-generator Set novel energy-conserving system and method
CN107477649A (en) * 2017-08-02 2017-12-15 大唐东北电力试验研究所有限公司 Turbo-generator Set integrates afterheat utilizing system and method

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Address after: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin

Patentee after: Datang northeast electric power test and Research Institute Co., Ltd.

Address before: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin

Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST RESEARCH INSTITUTE CO., LTD.

CP01 Change in the name or title of a patent holder
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170111

Termination date: 20200429

CF01 Termination of patent right due to non-payment of annual fee