CN110274291A - The online Water quality processing system of hot net water of one kind and its operation method - Google Patents
The online Water quality processing system of hot net water of one kind and its operation method Download PDFInfo
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- CN110274291A CN110274291A CN201910453223.6A CN201910453223A CN110274291A CN 110274291 A CN110274291 A CN 110274291A CN 201910453223 A CN201910453223 A CN 201910453223A CN 110274291 A CN110274291 A CN 110274291A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 238000012545 processing Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 238000000108 ultra-filtration Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001212038 Arcola Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of online Water quality processing system of a hot net water and its operation methods, belong to field of energy utilization, it includes bypass duct, valve, booster, heat exchanger, water treatment device, the second valve, third valve, the 4th valve, the 5th valve, the first low-pressure heater, condensate pump and condenser；First valve, booster, heat exchanger, water treatment device and the second valve are successively set on bypass duct according to the flow direction of hot net water, and the hot-side inlet of heat exchanger is connected with booster, and the hot end outlet of heat exchanger is connected with water treatment device；The present invention reasonably devises the online Water quality processing system of hot net water, after the present invention, the online processing of a hot net water water quality may be implemented, greatly improve the safe and stable operation and service life of central heating system, therefore, practice value with higher.
Description
Technical field
The invention belongs to field of energy utilization, and in particular to the online Water quality processing system of hot net water of one kind and its operation
Method.
Background technique
With urbanization development and clean the demand of heating, central heat supplying basic replacement area arcola
Room heat supply becomes the principal mode of the northern area of China winter heating.Meanwhile with the development of heat supply process, central heating system
System tentatively towards heat source diversification, develop by the direction that pipe network complicates.
It includes heat source, primary net, heat exchange station, secondary network that central heating system, which is a kind of, and using water as heat transmission medium
Heating system.Heating network system is complex, is often buried laying, wherein a pipe network is substantially distributed in each big city
Under town road, therefore pipe network maintenance is extremely difficult.The quality of heat supply network water quality in heating system, directly influences the safety of heat source
The quality of operation, the service life of pipe network and heat supply.
Pipe network is longer due to one time, and one time heat supply network water capacity is larger, and cost is larger if the water being perfused after sofening treatment, and
Due to working to tight deadlines, pipe network generally runs untreated tap water after construction puts into operation, and water quality is poor.It is transported in the later period
Often through be continuously replenished that treated water, successive optimization water quality during row, or by increasing antisludging agent, avoid scale
Largely have an impact the stable operation of heating system.But since heat supply network is a closing pipe line, only after heat supply network water loss
It just can be carried out supplement；Increase antisludging agent mode can only respite, and bring other pollutions.Therefore, longer
In one section of runing time, a hot net water water quality cannot reach requirement, service life and peace of the strong influence to entire heating system
Full stable operation.
In order to effectively improve water quality, optimize the operation of heating system, provide it is a kind of can be online to one in closing pipe line
The method that secondary hot net water carries out water treatment is very necessary.
Summary of the invention
Based on the above situation, the present invention overcomes the above deficiencies in the existing technologies, it is desirable to provide an a kind of heat supply network
The online Water quality processing system of water and its operation method.
Technical solution used by the present invention solves the above problems is: an a kind of online Water quality processing system of hot net water,
It is characterised in that it includes bypass duct, the first valve, booster, heat exchanger, water treatment device, the second valve, third valve
Door, the 4th valve, the 5th valve, the first low-pressure heater, condensate pump and condenser；The bypass duct and primary net return water
Pipeline connection, first valve, booster, heat exchanger, water treatment device and the second valve according to hot net water flowing side
To being successively set on bypass duct, and the hot-side inlet of heat exchanger is connected with booster, the hot end outlet of heat exchanger and water quality
Processing unit is connected；The condenser is connected by pipeline with the entrance of condensate pump, the outlet of the condensate pump respectively with
Third valve and the first low-pressure heater are connected, and the third valve is connected with the cold-side inlet of heat exchanger, the heat exchanger
Cold side outlet is connected with the 4th valve and the 5th valve respectively, and the 4th valve is connected with the entrance of the first low-pressure heater,
5th valve is connected with the outlet of the first low-pressure heater.
Further, the heat exchanger can be connected in series or be connected in parallel with the first low-pressure heater.
Further, a former hot net water is successively introduced into booster and heat exchanger by the bypass duct, hot net water
After boosting cooling reaches the job requirement of water treatment device, into water treatment device, online to a hot net water
Water treatment is carried out, is backed into after water treatment in the primary net water return pipeline of former heat supply network.
Further, after the condenser condenses steam exhaust, after condensate pump pressurizes, partial coagulation water, which is flowed into, to be changed
It exchanges heat in hot device, the condensed water after heating is introduced into before the first low-pressure heater according to condensing water temperature or the first low pressure
After heater.
Further, the water treatment device includes preprocessing module, ultrafiltration film module and reverse osmosis membrane module, and
According to a hot net water index situation, configuration water treating module is reasonably selected.
The operation method of the online Water quality processing system of hot net water, which is characterized in that process is as follows:
When one time hot net water water quality is unqualified, the first valve and the second valve are opened, hot net water is subjected to water by bypass duct
Matter processing；
When being in latter stage at the beginning of heating, heat supply network return water temperature is lower, when heat supply network return water temperature is 45 DEG C or less, at this point, being not necessarily to
Third valve is opened, hot net water, without heat exchange, is introduced directly into water treatment device and is handled in heat exchanger；
When the phase high and cold in heating, heat supply network return water temperature is higher, when heat supply network return water temperature is 45 DEG C or more, at this point, opening
Third valve is introduced into condensed water into heat exchanger, and temperature is reduced to the work temperature of water treatment device requirement after hot net water heat exchange
Degree, is then introduced into water treatment device, and it is low that condensed water according to the difference of water temperature is introduced into first after heating up in heat exchanger
Before pressure heater or after the first low-pressure heater；
It is solidifying after heating up in heat exchanger when condensing water temperature after heating is lower than the condensing water temperature of the first low-pressure heater
It bears water before being introduced into the first low-pressure heater, opens the 4th valve, close the 5th valve, at this time heat exchanger and the first low-pressure heating
Device is to be connected in series；
It is solidifying after heating up in heat exchanger when condensing water temperature after heating is higher than the condensing water temperature of the first low-pressure heater
It bears water after being introduced into the first low-pressure heater, closes the 4th valve, open the 5th valve, at this time heat exchanger and the first low-pressure heating
Device) it is to be connected in parallel.
Compared with prior art, the present invention having the following advantages that and effect: (1) the present invention has rational design, and structure is simple, property
Can be reliable, create an a kind of online Water quality processing system of hot net water；(2) present invention can be right while heating network operation
One time hot net water optimizes, and improves the safety and stability of heating system；(3) present invention can pass through a heat supply network return water
With the heat exchange of condensed water, the temperature for entering the condensed water of low-pressure heater is improved, the steam extraction of low-pressure heater is reduced, plays energy conservation
Effect.(4) condensed water is introduced different positions according to the difference of condensing water temperature after heat exchange by the present invention, reaches bigger
Energy-saving effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
In figure: primary net water return pipeline 1, bypass duct 2, the first valve 3, booster 4, heat exchanger 5, water treatment device
6, the second valve 7, third valve 9, the 4th valve 10, the 5th valve 11, the first low-pressure heater 12, condensate pump 13, condensing
Device 14.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited to following embodiments.
Referring to Fig. 1, an online Water quality processing system of hot net water in the present embodiment, including bypass duct 2, the first valve
3, booster 4, heat exchanger 5, water treatment device 6, the second valve 7, third valve 9, the 4th valve 10, the 5th valve 11,
One low-pressure heater 12, condensate pump 13 and condenser 14.
Bypass duct 2 is connect with primary net water return pipeline 1, the first valve 3, booster 4, heat exchanger 5, water treatment device
6 and second valve 7 be successively set on bypass duct 2 according to the flow direction of hot net water, and the hot-side inlet and liter of heat exchanger 5
Press pump 4 is connected, and the hot end outlet of heat exchanger 5 is connected with water treatment device 6；Condenser 14 passes through pipeline and condensate pump 13
Entrance be connected, the outlet of condensate pump 13 is connected with third valve 9 and the first low-pressure heater 12 respectively, third valve 9 with change
The cold-side inlet of hot device 5 is connected, and the cold side outlet of heat exchanger 5 is connected with the 4th valve 10 and the 5th valve 11 respectively, the 4th valve
Door 10 is connected with the entrance of the first low-pressure heater 12, and the 5th valve 11 is connected with the outlet of the first low-pressure heater 12.
In the present embodiment, heat exchanger 5 is connected in series or is connected in parallel with the first low-pressure heater 12.
In the present embodiment, a former hot net water is successively introduced into booster 4 and heat exchanger 5 by bypass duct 2, heat supply network
Water is after boosting cooling reaches the job requirement of water treatment device 6, into water treatment device 6, online to primary heat
Net water carries out water treatment, is backed into the primary net water return pipeline 1 of former heat supply network after water treatment.
In the present embodiment, after condenser 14 condenses steam exhaust, after the pressurization of condensate pump 13, partial coagulation water is flowed into
Exchange heat into heat exchanger 5, the condensed water after heating be introduced into before the first low-pressure heater 12 according to condensing water temperature or
After first low-pressure heater 12.
In the present embodiment, water treatment device 6 includes preprocessing module, ultrafiltration film module and reverse osmosis membrane module, and
And according to a hot net water index situation, configuration water treating module is reasonably selected.
Operation method is as follows:
When one time hot net water water quality is unqualified, the first valve 3 and the second valve 7 are opened, hot net water is carried out by bypass duct 2
Water treatment；
When being in latter stage at the beginning of heating, heat supply network return water temperature is lower, when heat supply network return water temperature is 45 DEG C or less, at this point, being not necessarily to
Third valve 9 is opened, hot net water, without heat exchange, is introduced directly into water treatment device 6 and is handled in heat exchanger 5；
When the phase high and cold in heating, heat supply network return water temperature is higher, when heat supply network return water temperature is 45 DEG C or more, at this point, opening
Third valve 9 is introduced into condensed water into heat exchanger 5, and temperature is reduced to the work of the requirement of water treatment device 6 after hot net water heat exchange
Then temperature is introduced into water treatment device 6, condensed water according to the difference of water temperature is introduced into after heating up in heat exchanger 5
Before one low-pressure heater 12 or after the first low-pressure heater 12；
When condensing water temperature after heating is lower than the condensing water temperature of the first low-pressure heater 12, after heating up in heat exchanger 5
Condensed water be introduced into the first low-pressure heater 12 before, open the 4th valve 10, close the 5th valve 11, at this time heat exchanger 5 with
First low-pressure heater 12 is to be connected in series；
When condensing water temperature after heating is higher than the condensing water temperature of the first low-pressure heater 12, after heating up in heat exchanger 5
Condensed water be introduced into the first low-pressure heater 12 after, close the 4th valve 10, open the 5th valve 11, at this time heat exchanger 5 with
First low-pressure heater 12 is to be connected in parallel.
It is any to be familiar with although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
The technical staff of this technology should belong to guarantor of the invention in made change without departing from the spirit and scope of the invention
Protect range.
Claims (6)
1. an a kind of online Water quality processing system of hot net water, which is characterized in that including bypass duct (2), the first valve (3),
Booster (4), heat exchanger (5), water treatment device (6), the second valve (7), third valve (9), the 4th valve (10), the 5th
Valve (11), the first low-pressure heater (12), condensate pump (13) and condenser (14)；The bypass duct (2) and primary net
Water return pipeline (1) connection, first valve (3), booster (4), heat exchanger (5), water treatment device (6) and the second valve
(7) it is successively set on bypass duct (2) according to the flow direction of hot net water, and the hot-side inlet and booster of heat exchanger (5)
(4) it is connected, the hot end outlet of heat exchanger (5) is connected with water treatment device (6)；The condenser (14) passes through pipeline and condensation
The entrance of water pump (13) is connected, the outlet of the condensate pump (13) respectively with third valve (9) and the first low-pressure heater
(12) it is connected, the third valve (9) is connected with the cold-side inlet of heat exchanger (5), the cold side outlet difference of the heat exchanger (5)
It is connected with the 4th valve (10) and the 5th valve (11), the entrance phase of the 4th valve (10) and the first low-pressure heater (12)
Even, the 5th valve (11) is connected with the outlet of the first low-pressure heater (12).
2. the online Water quality processing system of a hot net water according to claim 1, which is characterized in that the heat exchanger (5)
It is connected in series or is connected in parallel with the first low-pressure heater (12).
3. the online Water quality processing system of a hot net water according to claim 1, which is characterized in that the bypass duct
(2) hot net water of original is successively introduced into booster (4) and heat exchanger (5), hot net water reaches water quality by boosting cooling
After the job requirement of processing unit (6), into water treatment device (6), water treatment, warp are carried out to a hot net water online
It is backed into the primary net water return pipeline (1) of former heat supply network after crossing water treatment.
4. the online Water quality processing system of a hot net water according to claim 1 or 2, which is characterized in that the condenser
(14) after condensing steam exhaust, after condensate pump (13) pressurization, partial coagulation water is flowed into heat exchanger (5) and exchanges heat,
Condensed water after heating is introduced into before the first low-pressure heater (12) according to condensing water temperature or the first low-pressure heater (12)
Afterwards.
5. the online Water quality processing system of a hot net water according to claim 1, which is characterized in that the water treatment dress
Setting (6) includes preprocessing module, ultrafiltration film module and reverse osmosis membrane module, and according to a hot net water index situation, rationally
Option and installment water treating module.
6. a kind of operation method of the online Water quality processing system of a hot net water according to any one of claims 1 to 5,
It is characterized in that, process is as follows:
When one time hot net water water quality is unqualified, the first valve (3) and the second valve (7) are opened, hot net water is passed through into bypass duct
(2) water treatment is carried out；
When being in latter stage at the beginning of heating, heat supply network return water temperature is lower, when heat supply network return water temperature is 45 DEG C or less, at this point, being not necessarily to
It opens third valve (9), hot net water without heat exchange, is introduced directly into water treatment device (6) in heat exchanger (5)
Reason；
When the phase high and cold in heating, heat supply network return water temperature is higher, when heat supply network return water temperature is 45 DEG C or more, at this point, opening
Third valve (9) is introduced into condensed water in heat exchanger (5), and temperature is reduced to water treatment device (6) requirement after hot net water heat exchange
Operating temperature, be then introduced into water treatment device (6), condensed water in the heat exchanger (5) after heating according to water temperature not
It is same to be introduced into before the first low-pressure heater (12) or after the first low-pressure heater (12)；
When condensing water temperature after heating is lower than the condensing water temperature of the first low-pressure heater (12), risen in heat exchanger (5)
Before condensed water after temperature is introduced into the first low-pressure heater (12), the 4th valve (10) is opened, closes the 5th valve (11), at this time
Heat exchanger (5) and the first low-pressure heater (12) are to be connected in series；
When condensing water temperature after heating is higher than the condensing water temperature of the first low-pressure heater (12), risen in heat exchanger (5)
After condensed water after temperature is introduced into the first low-pressure heater (12), the 4th valve (10) is closed, opens the 5th valve (11), at this time
Heat exchanger (5) and the first low-pressure heater (12)) it is to be connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453223.6A CN110274291B (en) | 2019-05-28 | 2019-05-28 | Online water quality treatment system for primary heat supply network water and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453223.6A CN110274291B (en) | 2019-05-28 | 2019-05-28 | Online water quality treatment system for primary heat supply network water and operation method thereof |
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| CN110274291A true CN110274291A (en) | 2019-09-24 |
| CN110274291B CN110274291B (en) | 2023-08-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005265C1 (en) * | 1988-09-23 | 1993-12-30 | Ruzavin Georgij S | Method and system for heat supply to users |
| CN204006255U (en) * | 2014-07-04 | 2014-12-10 | 盾安（天津）节能系统有限公司 | A kind of waste heat recovery central heating system |
| CN107289491A (en) * | 2017-08-04 | 2017-10-24 | 中能信创（北京）售电有限公司 | The heating system that a kind of residual heat of condensed water is coupled with waste water residual heat |
| CN207035380U (en) * | 2017-06-13 | 2018-02-23 | 沈阳建筑大学 | The air-conditioning system of station air draft water resource heat pump and heat supply network complementation combined heat |
| CN109237587A (en) * | 2018-09-13 | 2019-01-18 | 华电电力科学研究院有限公司 | A kind of Low Vacuum Heating System and operation method coupling big temperature difference heat pump |
| CN109724135A (en) * | 2019-01-28 | 2019-05-07 | 西安华新新能源股份有限公司 | A kind of big temperature-difference central heating system using electric compression heat pump |
-
2019
- 2019-05-28 CN CN201910453223.6A patent/CN110274291B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005265C1 (en) * | 1988-09-23 | 1993-12-30 | Ruzavin Georgij S | Method and system for heat supply to users |
| CN204006255U (en) * | 2014-07-04 | 2014-12-10 | 盾安（天津）节能系统有限公司 | A kind of waste heat recovery central heating system |
| CN207035380U (en) * | 2017-06-13 | 2018-02-23 | 沈阳建筑大学 | The air-conditioning system of station air draft water resource heat pump and heat supply network complementation combined heat |
| CN107289491A (en) * | 2017-08-04 | 2017-10-24 | 中能信创（北京）售电有限公司 | The heating system that a kind of residual heat of condensed water is coupled with waste water residual heat |
| CN109237587A (en) * | 2018-09-13 | 2019-01-18 | 华电电力科学研究院有限公司 | A kind of Low Vacuum Heating System and operation method coupling big temperature difference heat pump |
| CN109724135A (en) * | 2019-01-28 | 2019-05-07 | 西安华新新能源股份有限公司 | A kind of big temperature-difference central heating system using electric compression heat pump |
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