CN206037234U - Heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side - Google Patents
Heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side Download PDFInfo
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- CN206037234U CN206037234U CN201620966989.6U CN201620966989U CN206037234U CN 206037234 U CN206037234 U CN 206037234U CN 201620966989 U CN201620966989 U CN 201620966989U CN 206037234 U CN206037234 U CN 206037234U
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Abstract
The utility model provides a heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side, includes controller, heat exchanger, once incline heat supply network wet return, secondary side heat supply network wet return, be provided with charging pipe and moisturizing pipe between heat supply network wet return and the secondary side heat supply network wet return once inclining, charging pipe and moisturizing are managed through water inlet manifold and are once inclined heat supply network time water piping connection, charging pipe and moisturizing pipe return water piping connection through outfall sewer and secondary side heat supply network, be provided with flow detector and flanged ball valve on the outfall sewer, flow detector is connected with flow transmitter, it turn -offs the solenoid valve to be provided with the two -stage on the moisturizing pipe, it is provided with electrical control valve or frequency conversion moisturizing pump to turn -off in the two -stage between the solenoid valve, the heat supply network wet return that once inclines is equipped with first pressure and send the change ware, secondary side heat supply network wet return is equipped with second pressure and send the change ware. The water treatment facilities among the traditional system, water tank have been cancelled to it, have greatly simplified the equipment of moisturizing level pressure system, save the heating power station and taken up an area of, practiced thrift the investment.
Description
Technical field
This utility model technology belongs to cities and towns hot water heating field, belongs to heat supply network automatic water supplement level pressure technology, and specifically one
The heat exchange station adopted in heat exchange station is planted by the once direct moisturizing full-automatic energy-saving constant pressure arrangement of lateral secondary side.
Background technology
In the hot water heating field of cities and towns, conventional is indirect type heat exchange station, generally needs to be equipped with indirect type heat exchange station
Complete water-supply and pressure-stabling system, conventional system include：Water treatment facilities, replenishing water tank of water, small pump, control valve group, distribution and
The equipment such as switch board, device configuration are more.The automatic water supplement pressure fixing system of this traditional indirect type heat exchange station, tap water is passed through
Water treatment facilities removes calcium ions and magnesium ions（Sometimes it is also carried out deoxygenation）, it is stored in after then being softened in replenishing water tank of water, through mending
Water pump supercharging fills into secondary side heat supply network.This traditional indirect type heat exchange station, due to general tap water pressure be 0.2～
0.3MPa, tap water are changed into normal pressure after water tank, and one side pressure is not fully used, another aspect primary side heat
The water quality requirement of net is higher, it is necessary to process through softening, deoxygenation, water quality is better than secondary side, but primary side hot net water does not have
It is fully used；And the floor space of heat exchange station is big, construction investment is big, and the operating power consumption of heat exchange station is high, water consumption.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of device configuration, reduction heat exchange station of reducing to take up an area face
Product, the heat exchange station of reduction construction investment are by the once direct moisturizing full-automatic energy-saving constant pressure arrangement of lateral secondary side；The device can be from
Primary side heat supply network backwater to the direct moisturizing of secondary side heat supply network, while be secondary side heat supply network level pressure.
In order to solve above-mentioned technical problem, the technical scheme that this utility model is taken is as follows：A kind of heat exchange station is by primary side
To the direct moisturizing full-automatic energy-saving constant pressure arrangement of secondary side, including controller, heat exchanger, primary side heat supply network return pipe, secondary side
Water circulating pump that is that heat supply network return pipe, secondary side heat supply network return pipe are installed and being connected with controller, it is characterised in that：In primary side
Charging pipe and filling pipe is provided between heat supply network return pipe and secondary side heat supply network return pipe, and charging pipe and filling pipe are total by water inlet
Pipe is connected with primary side heat supply network return pipe, and charging pipe and filling pipe are connected with secondary side heat supply network return pipe by outfall sewer, are gone out
Flow detector and flanged ball valve is provided with supply mains, flow detector is connected with flow transmitter, arrange on filling pipe
There is two-stage shut-off electromagnetic valve, electric control valve or frequency conversion small pump, primary side heat supply network is provided between two-stage shut-off electromagnetic valve
Return pipe is provided with first pressure converter, and secondary side heat supply network return pipe is provided with second pressure converter, flow transmitter, the first pressure
Power converter, second pressure converter and two-stage shut-off electromagnetic valve connects respectively to controller.
The caliber of charging pipe is bigger than the caliber of filling pipe No. two, when charging pipe and filling pipe are used for secondary side operation for the first time
Carry out water-filling；The first pressure converter that primary side heat supply network return pipe is provided with is used for detecting primary side heat supply network pressure of return water value, the
Two pressure converters are arranged on secondary side heat supply network return pipe and outfall sewer junction, and second pressure converter is used for detecting secondary
The flow detector arranged on the outfall sewer of side heat supply network supplementing water pressure value, charging pipe and filling pipe connection, you can during with water-filling
Total water capacity of detection secondary side, can detect the rate of water make-up of normal runtime system again.
In the hot-water heating system of cities and towns, in conventional indirect type heat exchange station, primary side heat supply network return water temperature about 70～50
DEG C, pressure about 1.00～0.25MPa；, from 0.20～1.0MPa, theoretically, primary side is warm for the supplementing water pressure of secondary side
There are three kinds of operating modes between net pressure of return water and secondary side heat supply network supplementing water pressure：
1st, primary side heat supply network pressure of return water ＞ secondary sides heat supply network supplementing water pressure；
2nd, primary side heat supply network pressure of return water=secondary side heat supply network supplementing water pressure；
3rd, primary side heat supply network pressure of return water ＜ secondary sides heat supply network supplementing water pressure.
But as heating network pressure is in small range fluctuation status, when primary side heat supply network pressure of return water and secondary side heat supply network moisturizing
When the absolute difference of pressure is less than 0.1～0.15MPa, secondary side heat supply network supplementing water pressure is equal to according to primary side heat supply network pressure of return water
Treat.In order to meet three kinds of operating mode needs, the versatility and convertibility of the device is improved, device is all according to primary side heat supply network
Pressure of return water reserves small pump, converter, control loop, electric power system, installation site less than secondary side heat supply network supplementing water pressure value,
The control program of all operating modes is all write by software, selects setting as needed, when the device is transported to scene, according to actual parameter
Select frequency conversion small pump or electric control valve are installed.
This utility model realizes that thermal substation is integrally intensive, and PLC hardware configuration unified modules, software program only need root
Make a distinction according to pressure reduction of the primary side heat supply network pressure of return water with secondary side heat supply network supplementing water pressure, joined according to live two nets pressure
Number setting, simplifies production procedure, reduces construction link, reaches the optimization of engineering, while eliminating the water process in legacy system
Device, replenishing water tank of water, save thermal substation occupation of land, have saved construction investment, reduced the operating power consumption of heat exchange station, water consumption,
Effectively improve the automatic control level of heat exchange station.
Than conventional water-supply and pressure-stabling system, this utility model is in system principle, moisturizing water source, automatically apparatus, control
The aspects such as system processed are optimized, and the device is using by the once direct moisturizing full-automatic energy-saving constant pressure arrangement of lateral secondary side
Afterwards, greatly simplifie the device configuration of water-supply and pressure-stabling system.By controlling electric control valve（Or small pump）Solve
Pressure reduction problem between primary side heat supply network pressure of return water and secondary side heat supply network supplementing water pressure, arranges two-stage shut-off electromagnetic valve and eliminates system
The risk that system control failure causes.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is second structural representation of the present utility model.
In figure：1- primary side heat supply network return pipes, 2- secondary side heat supply network return pipes, 3- charging pipes, 4- filling pipes, 5- recirculated waters
Pump, 6- frequency conversion small pumps, 7- flange check valves, 8- electric control valves, 9- shut-off electromagnetic valve 1,10-shut-off electromagnetic valves 2,11- methods
Blue ball valve, 12- pressure transmitters 1,13- pressure transmitters 2,14- flow transmitters, 15- flow detectors, 16- heat exchangers,
17- outfall sewers, 18- controllers.
Specific embodiment
Embodiment 1；As shown in Figure 1：A kind of heat exchange station is by the direct moisturizing full-automatic energy-saving level pressure dress of once lateral secondary side
Put, including controller 18, heat exchanger 16, primary side heat supply network return pipe 1, secondary side heat supply network return pipe 2, secondary side heat supply network return pipe
2 install and the water circulating pump 5 that is connected with controller 18, between primary side heat supply network return pipe 1 and secondary side heat supply network return pipe 2
Charging pipe 3 and filling pipe 4 is provided with, charging pipe 3 and filling pipe 4 are connected with primary side heat supply network return pipe 1 by water inlet manifold, are filled
Water pipe 3 and filling pipe 4 are connected with secondary side heat supply network return pipe 2 by outfall sewer 17, are provided with flow inspection on outfall sewer 17
Device 15 and flanged ball valve 11 is surveyed, flow detector 15 is connected with flow transmitter 14, be provided with two-stage shut-off electricity on filling pipe 4
Magnet valve, i.e., the first shut-off electromagnetic valve 9 and the second shut-off electromagnetic valve 10, in the first shut-off electromagnetic valve 9 and the second shut-off electromagnetic valve 10
Between be provided with electric control valve 8, primary side heat supply network return pipe 1 is provided with first pressure converter 12, secondary side heat supply network return pipe
Second pressure converter 13 is provided with, flow transmitter 14, first pressure converter 12, second pressure converter 13 and first are closed
Power-off magnet valve 9 is connected respectively to controller 18 with the second shut-off electromagnetic valve 10.Filling pipe caliber is typically by secondary side heat supply network moisturizing
Amount determines calculating, and flow velocity general control is in 1.2m/s；Charging pipe caliber is typically big than filling pipe caliber No. two.Second pressure send change
Device 13 is arranged on the link position of secondary side heat supply network return pipe 2 and outfall sewer 17.
The present embodiment is applied to the situation of primary side heat supply network pressure of return water ＞ secondary side heat supply network supplementing water pressures, works as primary side
During heat supply network pressure of return water ＞ secondary side heat supply network supplementing water pressures, the instruction judgement of controller is with control flow substantially：
Step 1：1）When controller detects the pressure of pressure ＞ second pressures transmitter 13 of first pressure transmitter 12,
Judge primary side heat supply network pressure of return water ＞ secondary side heat supply network supplementing water pressures；Primary side heat supply network is met directly to two net moisturizing bars
Part；2）Judge secondary side heat supply network supplementing water pressure（The pressure of second pressure transmitter 13）What two grades of the unit of-technique initialization was netted determines
Pressure value=△ P ＜ 0, two grades of nets need moisturizing.
When while meeting 1）、2）During condition, first is opened successively and turns off the shut-off electromagnetic valve 10 of electromagnetic valve 9, second, open electricity
Dynamic regulating valve 8, aperture are adjusted according to two net pressure.Bigger, aperture is bigger for | △ P |；Less, aperture is less for | △ P |.
Step 2：When primary side heat supply network backwater mends secondary side heat supply network backwater for a period of time, two net side heat supply network supplementing water pressures（The
The pressure of two pressure transmitters 13）Level pressure value=△ P the ＞ 0 of two grades of nets of unit of-technique initialization, close the first shut-off electricity successively
Magnet valve 9, second turns off electromagnetic valve 10, turns off electric control valve 8.
Embodiment 2；As shown in Figure 2：A kind of heat exchange station that the present embodiment is provided is complete by the once direct moisturizing of lateral secondary side
Automatic energy saving constant pressure arrangement, is between the first shut-off electromagnetic valve 9 and the second shut-off electromagnetic valve 10 to be provided with frequency conversion small pump 6,
Will the electric control valve 8 of embodiment 1 be replaced by frequency conversion small pump 6；Remaining is same as Example 1；In frequency conversion small pump 6 and
Flange check valve 7 is provided between two shut-off electromagnetic valves 10；The function of flange check valve 7 mainly prevents water pump from shutting down
When, secondary side net backwater flow back into primary side heat supply network backwater through outfall sewer 17, filling pipe.
The present embodiment is applied to the situation of primary side heat supply network pressure of return water ＜ secondary side heat supply network supplementing water pressures, when a net pressure
During bis- net pressure of power ＜, the instruction judgement of controller is with control flow substantially：
Step 1：1）When controller detects the pressure of pressure ＜ second pressures transmitter 13 of first pressure transmitter 12,
Judge primary side heat supply network pressure of return water ＜ secondary side heat supply network supplementing water pressures；One net pressure cannot meet two net conditions of benefit, frequency conversion
Small pump 6 is opened, and carries out moisturizing；2）Judge secondary side heat supply network supplementing water pressure（The pressure of second pressure transmitter 13）- technique sets
Level pressure value=△ P the ＜ 0 of fixed two grades of nets of unit, two grades of nets need moisturizing.
Step 2：When simultaneously meet 1), 2) condition when, open first successively and turn off the shut-off electromagnetic valve of electromagnetic valve 9, second, then
Frequency conversion small pump 6 is opened, the converter of small pump is adjusted according to two net pressure.Bigger, frequency converter frequency is bigger for | △ P |；|
△ P | less, frequency converter frequency is less.
When the absolute difference of primary side heat supply network pressure of return water and secondary side heat supply network supplementing water pressure is less than 0.15～0.1MPa,
Treat equal to secondary side heat supply network supplementing water pressure according to primary side heat supply network pressure of return water, can avoid from theoretical and actual motion
The appearance of this kind of operating mode.
In order to meet three kinds of operating mode needs, versatility of the present utility model and convertibility is improved, device is all according to one
Secondary side heat supply network pressure of return water less than the reserved small pump of secondary side heat supply network supplementing water pressure value, converter, control loop, electric power system,
The control program of all operating modes is all write by installation site, software, selects setting as needed, when the device is transported to scene, root
Select small pump or electric control valve are installed according to actual parameter.
This utility model is applicable not only to the secondary side water-supply and pressure-stabling of newly-built heat supply network, and it is less both to be applied to fluid loss
There is the secondary side water-supply and pressure-stabling of heat supply network, because the less system of secondary side percentage of water loss, be unlikely to cause the pressure of primary side heat supply network
Fluctuation.
Claims (4)
1. a kind of heat exchange station is by the once lateral direct moisturizing full-automatic energy-saving constant pressure arrangement of secondary side, including controller, heat exchanger,
Circulation that is that primary side heat supply network return pipe, secondary side heat supply network return pipe, secondary side heat supply network return pipe are installed and being connected with controller
Water pump, it is characterised in that：In primary side heat supply network return pipe（1）With secondary side heat supply network return pipe（2）Between be provided with charging pipe（3）
And filling pipe（4）, charging pipe（3）And filling pipe（4）By water inlet manifold and primary side heat supply network return pipe（1）Connection, charging pipe
（3）And filling pipe（4）By outfall sewer（17）With secondary side heat supply network return pipe（2）Connection, outfall sewer（17）On be provided with
Flow detector（15）With flanged ball valve（11）, flow detector（15）It is connected with flow transmitter（14）, in filling pipe（4）On
It is provided with the first shut-off electromagnetic valve（9）With the second shut-off electromagnetic valve（10）, electromagnetic valve is turned off first（9）With the second shut-off electromagnetism
Valve（10）Between be provided with electric control valve（8）Or frequency conversion small pump（6）, primary side heat supply network return pipe（1）It is provided with first pressure
Converter（12）, secondary side heat supply network return pipe（2）It is provided with second pressure converter（13）, flow transmitter（14）, first pressure
Converter（12）, second pressure converter（13）And first shut-off electromagnetic valve（9）With the second shut-off electromagnetic valve（10）Connection point
Not to controller（18）.
2. a kind of heat exchange station as claimed in claim 1 is by the once direct moisturizing full-automatic energy-saving constant pressure arrangement of lateral secondary side,
It is characterized in that：Second pressure converter（13）It is arranged on secondary side heat supply network return pipe（2）With outfall sewer（17）Connection position
Put.
3. a kind of heat exchange station as claimed in claim 1 or 2 is by the direct moisturizing full-automatic energy-saving level pressure dress of once lateral secondary side
Put, it is characterised in that：Frequency conversion small pump（6）With the second shut-off electromagnetic valve（10）Between be provided with flange check valve（7）.
4. a kind of heat exchange station as claimed in claim 3 is by the once direct moisturizing full-automatic energy-saving constant pressure arrangement of lateral secondary side,
It is characterized in that：Charging pipe caliber one is bigger than filling pipe caliber No. two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966989.6U CN206037234U (en) | 2016-08-29 | 2016-08-29 | Heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966989.6U CN206037234U (en) | 2016-08-29 | 2016-08-29 | Heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side |
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| Publication Number | Publication Date |
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| CN206037234U true CN206037234U (en) | 2017-03-22 |
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| CN201620966989.6U Active CN206037234U (en) | 2016-08-29 | 2016-08-29 | Heat exchange station is by full -automatic energy -conserving pressurization installation of direct moisturizing of side direction secondary side |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196271A (en) * | 2016-08-29 | 2016-12-07 | 中国市政工程西北设计研究院有限公司 | Heat exchange station is by once lateral secondary side direct moisturizing full-automatic energy-saving constant pressure arrangement |
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2016
- 2016-08-29 CN CN201620966989.6U patent/CN206037234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196271A (en) * | 2016-08-29 | 2016-12-07 | 中国市政工程西北设计研究院有限公司 | Heat exchange station is by once lateral secondary side direct moisturizing full-automatic energy-saving constant pressure arrangement |
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| GR01 | Patent grant |