CN208186474U - Hydraulic energy recuperation formula heat-exchange unit - Google Patents
Hydraulic energy recuperation formula heat-exchange unit Download PDFInfo
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- CN208186474U CN208186474U CN201721919252.XU CN201721919252U CN208186474U CN 208186474 U CN208186474 U CN 208186474U CN 201721919252 U CN201721919252 U CN 201721919252U CN 208186474 U CN208186474 U CN 208186474U
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Abstract
A kind of hydraulic energy recuperation formula heat-exchange unit, it include: primary net water supplying pipe (1), primary net return pipe (16), heat exchanger (3), secondary network water supplying pipe (9), secondary network return pipe (10), local controller (4), host computer (5), generator (6), it is installed on primary net return pipe (16): the hydraulic turbine (14), electric control valve (15), secondary network water supplying pipe is installed on (9): pressurization cycle Water pump head (7), calorimeter (8), variable circulation water pump (11) are installed on secondary network return pipe (10), spare water circulating pump (12), across pipe (13), transmission device (2) are installed between the hydraulic turbine (14) and pressurization cycle Water pump head (7), the hydraulic turbine (14) is rotated by the residual head driving once netted, drive pressurization cycle Water pump head (7) it runs, provides circulation power for secondary network.The utility model is compared with the prior art, no setting is required primary net pressure reducing valve, primary net residual head water energy is converted to rotating mechanical energy by hydrogenerator, secondary cycle is driven to pump pump head, supplement secondary network circulation power, the circulating pump power consumption of secondary network is saved, more rationally, conveniently, the practicability of system is stronger for energy utilization.
Description
Technical field
The present invention relates to a kind of hydraulic energy recuperation formula heat-exchange units for central heating system.
Background technique
In large-scale centralized heating system, heat exchange station is needed to recycle the heat transfer of primary net recirculated water to secondary network
Water, then heat is transported in heat user by secondary network recirculated water, the conveying distance once netted is very long, each heat exchange station distance
The distance of heat source differs the heat exchange for causing the primary net consumer heat inlet pressure head difference of each heat exchange station very big, close apart from heat source farther out
Primary net consumer heat inlet residual head of standing is very big, the residual head apart from the primary net consumer heat inlet of the farther away heat exchange station of heat source compared with
Small even less than to cause the hydraulic misadjustment of the primary net circulatory system, to solve the above-mentioned problems, prior art needs are having residue
The resistance devices such as the primary net consumer heat inlet installation pressure reducing valve of the heat exchange station of pressure head, regulating valve eliminate residual head, prevent heat exchange station
The shortcomings that primary net consumer heat inlet flow overrate, the prior art, is: using being mounted on the primary net consumer heat inlet of heat exchange station
Resistance devices residual head is completely consumed, and residual head is the kinetic energy of primary net recirculated water, completely eliminates and is equivalent to
A kind of energy dissipation.
Summary of the invention
In order to solve the problems, such as that the primary net residual head of existing heat exchange station can not recycle, the purpose of the present invention is mention
For a kind of structurally reasonable, easy to operate, stronger hydraulic energy recuperation formula heat-exchange unit of exploitativeness, by the energy of primary net residual head
Amount is converted directly into mechanical energy driving secondary network pressurization cycle pump pump head, provides secondary network circulation power, reduces secondary network circulation
Electrical power consumption of water pump can be not turned on secondary network circulating pump in the biggish heat exchange station of residual head, be pumped completely by secondary network pressurization cycle
Pump head provides circulation power, and the present invention is more suitable for Chinese large-sized central heating system, the heating power enterprise of heat is especially bought from steam power plant
Industry, while power plant's offer heat is provided, and kinetic energy that can be subsidiary using electric power plant circulating water, increase heating power enterprise income.
The utility model solves its technical problem and is achieved in that
High-rise direct-connected heating cycle system includes: primary net water supplying pipe (1), primary net return pipe (16), heat exchanger (3),
Secondary network water supplying pipe (9), secondary network return pipe (10), local controller (4), host computer (5), generator (6), primary net return water
Install on pipe (16): the hydraulic turbine (14), electric control valve (15), secondary network water supplying pipe are installed on (9): pressurization cycle Water pump head
(7), variable circulation water pump (11) are installed on secondary network return pipe (10), spare water circulating pump (12), across pipe in calorimeter (8)
(13), transmission device (2) are installed between the hydraulic turbine (14) and pressurization cycle Water pump head (7), the hydraulic turbine (14) is by what is once netted
Residual head driving rotation, drives pressurization cycle Water pump head (7) operation, provides circulation power for secondary network.
Primary net water supplying pipe (1) and primary net return pipe (16) no setting is required pressure reducing valve, by being mounted on primary water pipe (1)
On the hydraulic turbine (14) eliminate the residual head once netted, and export rotating mechanical energy, followed by rotating device (2) driving pressurization
The rotating mechanical energy of ring Water pump head (7) operation, the hydraulic turbine (14) output passes through rotating device (2) driven generator (6), power generation
The electric energy that machine (6) issues is used for heat exchange station electrical equipment.
When pressurization cycle Water pump head (7) is run, variable circulation water pump (11) can adjust revolving speed, in secondary network global cycle
In the case that flow is constant, the operation power consumption of variable circulation water pump (11) is reduced, when pressurization cycle Water pump head (7) can satisfy
It when secondary network circulation power demand, closes variable circulation water pump (11), opens across pipe, pressurization cycle Water pump head (7) is independent
Operation, secondary network circulation power are provided by the hydraulic turbine (14) completely, do not consume electric energy.
The nominal operation pressure difference of the hydraulic turbine (14) is that primary net hydraulic turbine (14) under metered flow operating condition is imported and exported
Pressure difference, the metered flow of the hydraulic turbine (14) is once to net specified operating flux.When the operating condition once netted changes,
Change the flow by the hydraulic turbine (14) by electric control valve (15).
Primary net water supplying pipe (1), when pipeline internal medium pressure is more than the operating pressure of heat exchanger (3), by the hydraulic turbine
(14) it is installed on primary net water supplying pipe (1), eliminates residual head, reduce the interior medium of primary net water supplying pipe (1) and enter heat exchanger
(3) pressure when, the hydraulic turbine (14) is mounted on primary net water supplying pipe (1) and is mounted on to be exported on primary net return pipe (16)
The tool of machine can be identical.
The type of heat exchanger (3) is plate heat exchanger and shell-and-tube heat exchanger.
Local controller (4) will acquire data and upload cause host computer (5), and host computer (5) assigns control to local controller (4)
System instruction, the communication modes between local controller (4) and host computer (5) include: wire communication and wireless telecommunications, host computer
(5) simultaneously with multiple local controllers (4) simultaneous communications.
Local controller (4) acquisition: the pressure and temperature of primary net water supplying pipe (1), the pressure of primary net return pipe (16)
And temperature, the pressure of the hydraulic turbine (14) import and export, the revolving speed of the hydraulic turbine (14), the pressure and temperature of secondary network water supplying pipe (9),
The pressure and temperature of secondary network return pipe (10), the import and export pressure of variable circulation water pump (), variable circulation water pump (11) turn
Speed, the import and export pressure of pressurization cycle Water pump head (7), the revolving speed of pressurization cycle Water pump head (7), the number of calorimeter (8)
According to the aperture of electric control valve (15).
Check-valves is installed across pipe (13), water (flow) direction is consistent with secondary network return pipe water (flow) direction.
When electric control valve (15) adjusts aperture, the flow by the hydraulic turbine (14) can be changed.
The present invention will be further described with reference to the accompanying drawings and examples.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model one embodiment；
In figure: 1. primary net water supplying pipes, 2. transmission devices, 3. heat exchangers, 4. local controllers, 5. host computers, 6. power generations
Machine, 7. pressurization cycles pump pump head, 8. hotlists, 9. secondary network water supplying pipes, 10. secondary network return pipes, 11. variable circulation water pumps, 12.
Spare water circulating pump, 13. cross over pipe, 14. hydraulic turbines, 15. electric control valves, 16. primary net return pipes.
Specific embodiment
In Fig. 1, hydraulic energy recuperation formula heat-exchange unit is arranged in the heat exchange station for concentrating hot systems, and outer net is logical for the high-temperature water come
Primary net water supplying pipe (1) is crossed into heat exchanger (3), water temperature reduces after heat exchange, using the hydraulic turbine (14), electric control valve
(15), primary net return pipe (16) flows back to outer net low temperature water pipe, when outer net supplies, back pressure difference is higher than the primary net heating power of heat-exchange unit and enters
When pressure difference needed for mouthful, that is, when there is residual head, residual head can drive the hydraulic turbine (14) to rotate, and output mechanical energy passes through biography
Pressurization cycle pump pump head (7) or generator (6) installed in dynamic device (2) driving secondary water-supply pipe (9).
The nominal parameter of the hydraulic turbine (14) needs to be carried out according to the specified operating parameter of the primary net consumer heat inlet of each heat exchange station
Individually designed, the metered flow in the hydraulic turbine (14) parameter is the primary net consumer heat inlet metered flow of heat exchange station, the hydraulic turbine (14)
Operting differential pressure in parameter is residual head of the primary net consumer heat inlet of heat exchange station under metered flow operating status, works as the hydraulic turbine
When reaching specified operating parameter, specified mechanical energy can be exported.
If the specified mechanical energy of the heat exchange station hydraulic turbine (14) output can satisfy secondary network circulation power demand, two
The metered flow and lift parameter and secondary network variable circulation water pump for pressurization cycle pump pump head (7) installed on secondary net water supplying pipe
(11) metered flow is identical with lift parameter, when the hydraulic turbine (14) exports specified mechanical energy, secondary network variable circulation water
Pumping (11) can be out of service, opens across pipe (13), it is dynamic that system provides secondary network circulation by pressurization cycle pump pump head (7) completely
Power, the secondary network circulatory system are not necessarily to power consumption.
If the specified mechanical energy of the heat exchange station hydraulic turbine (14) output is not able to satisfy secondary network circulation power demand, two
The metered flow for the pressurization cycle Water pump head (7) installed on secondary net water supplying pipe and the metered flow of secondary network variable circulation water pump
Identical, the rated head of pressurization cycle Water pump head (7) is less than the rated head of secondary network variable circulation water pump (11), can only bear
The circulating consumption of a part of secondary network is carried on a shoulder pole, pressurization cycle Water pump head (7) is connected with secondary network variable circulation water pump (11) at this time
Operation increases secondary network circulation power, according to the flow value that calorimeter (8) measure, reduces variable circulation water pump (11) revolving speed, full
Full-amount constant flow demand achievees the purpose that reduce power consumption.
If the specified mechanical energy of the heat exchange station hydraulic turbine (14) output is smaller, directly by transmission device (2) and power generation
Machine (6) connection power generation, uses for other electrical equipments of heat exchange station, can save electric energy.
When the primary net operating parameter of heat exchange station is not able to satisfy the nominal operational parameters of the hydraulic turbine (14), the hydraulic turbine can be closed
(14) front and back valve carries out flow adjusting by the electric control valve (15) being mounted on primary net return pipe.
Claims (10)
1. hydraulic energy recuperation formula heat-exchange unit, it is characterised in that: hydraulic energy recuperation formula heat-exchange unit includes: primary net water supplying pipe (1), and one
Secondary net return pipe (16), heat exchanger (3), secondary network water supplying pipe (9), secondary network return pipe (10), local controller (4) are upper
Machine (5), generator (6) are installed on primary net return pipe (16): the hydraulic turbine (14), electric control valve (15), secondary network water supplying pipe
(9) install on: pressurization cycle Water pump head (7), calorimeter (8) install variable circulation water pump on secondary network return pipe (10)
(11), spare water circulating pump (12) installs transmission across pipe (13) between the hydraulic turbine (14) and pressurization cycle Water pump head (7)
Device (2), the hydraulic turbine (14) are driven pressurization cycle Water pump head (7) operation, are two by the residual head driving rotation once netted
Secondary net provides circulation power.
2. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the primary net water supplying pipe (1) and
Primary net return pipe (16) no setting is required pressure reducing valve, eliminates primary net by the hydraulic turbine (14) being mounted on primary water pipe (16)
Residual head, and export rotating mechanical energy, pass through transmission device (2) driving pressurization cycle Water pump head (7) operation, the hydraulic turbine
(14) rotating mechanical energy exported is by transmission device (2) driven generator (6), and the electric energy that generator (6) issues is for heat exchange station
Electrical equipment uses.
3. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the pressurization cycle Water pump head
(7) when running, variable circulation water pump (11) adjusts revolving speed, in the case where secondary network global cycle flow is constant, reduces speed change and follows
The operation power consumption of ring water pump (11) is closed and is become when pressurization cycle Water pump head (7) can satisfy secondary network circulation power demand
Fast water circulating pump (11) is opened across pipe, and pressurization cycle Water pump head (7) isolated operation, secondary network circulation power is completely by water
Turbine (14) provides, and does not consume electric energy.
4. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the specified work of the hydraulic turbine (14)
Making pressure difference is the primary net pressure difference that the hydraulic turbine (14) is imported and exported under metered flow operating condition, the metered flow of the hydraulic turbine (14)
It is logical to change by electric control valve (15) when the operating condition once netted changes once to net specified operating flux
Cross the flow of the hydraulic turbine (14).
5. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the primary net water supplying pipe (1), when
When pipeline internal medium pressure is more than the operating pressure of heat exchanger (3), the hydraulic turbine (14) is installed on primary net water supplying pipe (1),
Residual head is eliminated, reduces pressure when the interior medium of primary net water supplying pipe (1) enters heat exchanger (3), the hydraulic turbine (14) is mounted on
On primary net water supplying pipe (1) and be mounted on exported machine on primary net return pipe (16) tool energy it is identical.
6. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the type of the heat exchanger (3) is
Plate heat exchanger and shell-and-tube heat exchanger.
7. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the local controller (4) will adopt
Collect data and upload and cause host computer (5), host computer (5) assigns control instruction to local controller (4), local controller (4) and upper
Communication modes between position machine (5) include: wire communication and wireless telecommunications, host computer (5) simultaneously with multiple local controllers (4)
Simultaneous communications.
8. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: local controller (4) acquisition:
The pressure and temperature of primary net water supplying pipe (1), the pressure and temperature of primary net return pipe (16), the hydraulic turbine (14) import and export
Pressure, the revolving speed of the hydraulic turbine (14), the pressure and temperature of secondary network water supplying pipe (9), the pressure and temperature of secondary network return pipe (10)
Degree, the import and export pressure of variable circulation water pump (11), the revolving speed of variable circulation water pump (11), pressurization cycle Water pump head (7)
Import and export pressure, the revolving speed of pressurization cycle Water pump head (7), the data of calorimeter (8), the aperture of electric control valve (15).
9. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: install and stop on the leap pipe (13)
Valve is returned, is made consistent with secondary network return pipe (10) interior water (flow) direction across pipe (13) interior water (flow) direction.
10. hydraulic energy recuperation formula heat-exchange unit according to claim 1, it is characterised in that: the electric control valve (15) is adjusted
When saving aperture, the flow by the hydraulic turbine (14) can be changed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919252.XU CN208186474U (en) | 2017-12-29 | 2017-12-29 | Hydraulic energy recuperation formula heat-exchange unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919252.XU CN208186474U (en) | 2017-12-29 | 2017-12-29 | Hydraulic energy recuperation formula heat-exchange unit |
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| CN208186474U true CN208186474U (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006785A (en) * | 2017-12-29 | 2018-05-08 | 柳箭 | Hydraulic energy recuperation formula heat-exchange unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006785A (en) * | 2017-12-29 | 2018-05-08 | 柳箭 | Hydraulic energy recuperation formula heat-exchange unit |
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