CN109959058A - A kind of building central domestic hot water supply system with energy conservation and safety precaution function - Google Patents
A kind of building central domestic hot water supply system with energy conservation and safety precaution function Download PDFInfo
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- CN109959058A CN109959058A CN201910224618.9A CN201910224618A CN109959058A CN 109959058 A CN109959058 A CN 109959058A CN 201910224618 A CN201910224618 A CN 201910224618A CN 109959058 A CN109959058 A CN 109959058A
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- hot water
- heat exchanger
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
- C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
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- 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
- F24D17/00—Domestic hot-water supply systems
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
-
- 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
-
- 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
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
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- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a kind of with energy saving and safety precaution function building central domestic hot water supply system, it is related to domestic water heat-exchange system technical field, including control module and heat exchanger, heat exchanger is connected separately with heating agent supply line, heating agent discharge line, hot water supply line and inlet pipeline, heating agent supply line is equipped with the first temperature sensor and first pressure sensor, heating agent discharge line is equipped with second temperature sensor and second pressure sensor, hot water supply line is equipped with third temperature sensor, and inlet pipeline is equipped with the 4th temperature sensor.The present invention provides help to save cost of human and material resources, improve maintenance efficiency, effectively energy conservation can be achieved, equipment safety in operation can not only be improved, moreover it is possible to a kind of building central domestic hot water supply system with energy conservation and safety precaution function of domestic hot-water's water quality safety be effectively ensured.
Description
Technical field
The present invention relates to building domestic water heat-exchange system technical fields, more particularly to one kind to have energy conservation and safe early warning
The building central domestic hot water supply system of function.
Background technique
Central domestic hot water supply system is except supply single villa, the single resident of house, single kitchen and dining room, public building
Single toilet or the room hot water such as shower cabinet other than domestic hot-water supply system.Central domestic hot water supply system is suitable for heat
Water consumption is larger, and the building of concentration is compared with water spot, such as more advanced residential architecture, hotel, bathhouse, hospital, sanatorium, body
Educate the public buildings such as shop, swimming pool, large-scale restaurant, or industrial enterprise's building etc. that arrangement is more concentrated.
In central domestic hot water supply system, heating agent is supplied to multiple heat exchangers by pipe network.In practical application, heating agent (with
For steam) different heat exchangers is respectively enterd by pipeline, and heat exchange is carried out with the cold water (return water) in heat exchanger, thus
Water in the entire pipe network of circulating-heating.Water in hot water exchanger can be supplied to user by pipeline after being heated to certain temperature,
Meet user for the use demand of domestic hot-water, the hot water in circulation pipe network keeps certain temperature by circulation.With
Using the increase of duration, in heat exchanger on the inner wall of heat exchanger tube can gradually fouling, cause heat exchanger to obtain heat transfer system reduction.Together
When, under the effect of the pressure, heat exchanger tube is also possible that perforation, influences the safety of equipment operation；Once also, heat exchanger tube is sent out
Raw perforation, the water in heat exchanger storage tank can enter heat exchanger tube and return to boiler with condensed water, so cause boiler water at distribution
Changing.
To guarantee domestic hot-water's regular supply, once serious scale or heat exchanger tube perforation occurs, maintenance staff must be timely
Cleaning or replacement heat exchanger tube.However, since maintenance staff can not learn heat exchanger tube, when fouling is to the degree for needing manual maintenance,
Can not know when heat exchanger tube perforates, punch position is specifically on which platform heat exchanger, and maintenance staff can only pass through periodic detection
Mode carry out system maintenance and maintenance.
In conclusion defect present in existing central domestic hot water supply system is as follows:
Once 1, heat exchanger tube fouling is more serious cannot but solve in time, the decline of the system coefficient of heat transfer will lead to the tight of thermal energy
It wastes again；
Once 2, heat exchanger tube perforation cannot but solve in time, security risk will occur in equipment；
3, maintenance staff need periodic detection, and not only efficiency is lower, but also the consuming of man power and material is very big.
Summary of the invention
In view of the above technical problems, the object of the present invention is to provide a kind of with energy saving and safety precaution function building collection
Middle hot water supply system solves the problems, such as heat exchanger tube fouling and perforation, improves working efficiency, realization has energy conservation, and guarantees equipment
Safe operation.
To achieve the above object, the present invention provides the following technical scheme that
A kind of building central domestic hot water supply system with energy conservation and safety precaution function, including control module and heat exchanger, institute
It states heat exchanger and is connected separately with heating agent supply line, heating agent discharge line, hot water supply line and inlet pipeline,
The heating agent supply line be equipped with the first temperature sensor and first pressure sensor, first temperature sensor and
First pressure sensor is electrically connected with control module；
The heating agent discharge line be equipped with second temperature sensor and second pressure sensor, the second temperature sensor and
Second pressure sensor is electrically connected with control module；
The hot water supply line, the hot water for being discharged in heat exchanger which is provided with third temperature sensor, the third temperature
It spends sensor and control module is electrically connected；
The inlet pipeline which is provided with the 4th temperature sensor for supplying water for heat exchanger, the 4th temperature sensor with
Control module is electrically connected.
By using above-mentioned technical proposal, in actual operation, the first temperature sensor can real-time detection heating agent into
Enter temperature when heat exchanger, obtain heating agent initial temperature, and passes through electric signal for temperature parameter Real-time Feedback to control module；Second temperature
Spend sensor can real-time detection heating agent discharge heat exchanger when temperature, obtain heating agent final temperature, and joined the temperature by electric signal
Number Real-time Feedback is to control module；Third temperature sensor can real-time detection hot water discharge heat exchanger when temperature, obtain heat
Water initial temperature, and pass through electric signal for the temperature parameter Real-time Feedback to control module；4th temperature sensor being capable of real-time detection
Domestic water enters temperature when heat exchanger, obtains inflow temperature, and give the temperature parameter Real-time Feedback to control by electric signal
Molding block.According to four heating agent initial temperature obtained, heating agent final temperature, hot water initial temperature and inflow temperature temperature parameters, heat transfer is utilized
The calculation formula of coefficient, control module can calculate in real time and obtain the Coefficient K of heat exchanger system.When K value is in system K value
When within the scope of predetermined fluctuation, it can assert that the heat exchanger system can normally be exchanged heat, heat is wasted in controlled range；When
When K value exceeds system K value predetermined fluctuation range, can assert that the heat exchanger system is in the abnormality that exchanges heat, the waste of heat compared with
It is serious.Factor due to influencing energy saving includes the thickness of heating agent initial temperature and heat transfer tube wall layer of scale；Therefore if this
When heating agent initial temperature be still in normal temperature range, then can determine that fouling is blocked up in heat transfer tube wall, need to carry out clear in time
Reason or replacement heat exchanger tube.
Meanwhile first pressure sensor and second pressure sensor can detect heating agent entrance and heating agent on heat exchanger respectively and go out
Pressure value at mouthful；By comparing the two numerical value, the pressure drop of heating agent entrance and heating agent exit can get.Theoretically, such as
Fruit heat exchanger system works normally, which should fluctuate in the reasonable scope.In actual operation, once a certain heat exchanger
The upper pressure drop numerical value exceeds predetermined value range, then can determine that the heat exchanger tube inside the heat exchanger may perforate, maintenance people
Member not only can clearly know when perforate, and can also clearly know which platform the heat exchanger to break down is specially.
It can be seen that passing through above-mentioned setting, on the one hand, maintenance staff can have found the exceeded heat exchange of heat exchanger tube fouling in time
Device guarantees that heat exchanger system can normally exchange heat, and realizes effectively energy conservation；On the other hand, maintenance staff can also have found and solve in time
The problem of heat exchanger tube is perforated in system guarantees equipment safety operation；Finally, save manpower spent by regular artificial detection and
Working efficiency is greatly improved in material resources.
The present invention is further arranged to: the heating agent supply line is equipped with electric temperature control valve；It is equipped in the heat exchanger
For detecting the 5th temperature sensor of heat exchanger internal temperature, the 5th temperature sensor electrically connects with electric temperature control valve
It connects.
By using above-mentioned technical proposal, in work, the temperature range of required hot water can be set as needed in user；5th
Temperature sensor can real-time detection heat exchanger water temperature inside, once the 5th temperature sensor detects that heat exchanger water temperature inside is super
Mark, electric temperature control valve will turn off, and heating agent stops entering heat exchanger, and hot water is avoided to continue to heat up.
The present invention is further arranged to: the inlet pipeline includes water return pipeline and water pipe, the water return pipeline with
User is connected with water end (W.E.), and the water pipe is connected with communal service.
By using above-mentioned technical proposal, water return pipeline can recycle the water from user's water end (W.E.), help to reduce water
Circulating-heating is realized in the waste of resource, improves heat utilization rate；Water pipe is capable of the loss of replenishment system domestic water, really
Protect the water demand for meeting user.
The present invention is further arranged to: the inlet pipeline further includes one for connecting the water inlet common section of heat exchanger, institute
State water return pipeline and water pipe pass through water inlet common section be connected with heat exchanger, and the 4th temperature sensor be set into
On water common section.
By using above-mentioned technical proposal, water return pipeline passes through water inlet common section with water pipe and is connected with heat exchanger,
Pipeline is not only saved, but also in water inlet common section, the cold water from water pipe can be real with the hot water from water return pipeline
Now premixing and heat exchange, help to improve heat utilization rate.Meanwhile the 4th temperature sensor being set into water common section
On, while meeting K value monitoring requirements, the quantity of temperature sensor can be reduced, saves cost.
The present invention is further arranged to: the inlet pipeline is equipped with silver ion sterilizer.
By using above-mentioned technical proposal, during hot water circuit, silver ion sterilizer can produce silver ion and to whole
A hot-water heating system realizes effectively disinfection and sterilizing, guarantees the water quality safety of domestic hot-water.
The present invention is further arranged to: the silver ion sterilizer and control module are electrically connected；The control module packet
Time control module is included, for timing to be arranged, and starts or closes down silver ion sterilizer in setting time.
It as far as possible will be silver-colored using the start-stop time of time control module control silver ion sterilizer by using above-mentioned technical proposal
The working time control of ion sterilizer is with water low peak period, while guaranteeing Disinfection Effect, it is ensured that meet user uses water
Demand.
The present invention is further arranged to: circulating pump, the circulating pump and control module electricity are additionally provided on the inlet pipeline
Property connection.
By using above-mentioned technical proposal, using circulating pump hot water in system internal circulation flow, it can not only realize that circulation adds
Heat, and enable to silver ion that can be uniformly dispersed in inside whole system, help to improve the effect of disinfection and sterilizing.
The present invention is further arranged to: the circulating pump is formed by control module and silver ion sterilizer and is linked；Work as institute
State silver ion sterilizer it is out of service after, control module control loop pump is shut down after continuing to run 1-2 hours.
By using above-mentioned technical proposal, while silver ion sterilizer is started to work and continued electrolysis goes out silver ion,
Control module control loop pump starts simultaneously with silver ion sterilizer and drives silver ion that can diffuse to whole system rapidly, guarantees
Sterilization effect.Meanwhile after silver ion sterilizer is shut down in 1-2 hours, circulating pump works on, so that containing silver ion
Hot water be continuously circulated flowing, help to realize pasteurised completely and sterilizing.
The present invention is further arranged to: the control module is also electrically connected with combined aural and visual alarm.
By using above-mentioned technical proposal, once K value and system pressure drop are exceeded, control module can by combined aural and visual alarm to
User's alarm, reminds user to carry out the care and maintenance of heat exchanger tube in time.
In conclusion the invention has the following advantages:
1, the first temperature sensor, second temperature sensor, third temperature sensor and the 4th temperature sensor are comprehensively utilized, is matched
Control module is closed, real-time monitoring system energy saving judges that heat exchanger tube fouling is exceeded for maintenance staff and provides visual reference,
Man power and material is saved, working efficiency is improved, guarantee system normally exchanges heat, and realizes effectively energy conservation；
2, first pressure sensor and second pressure sensor are comprehensively utilized, control module, real-time monitoring heat exchanger heating agent are cooperated
Entrance and heating agent go out between pressure drop, judge that heat exchanger tube perforation provides visual reference for maintenance staff, further saving manpower with
Material resources improve maintenance efficiency, guarantee equipment safety operation；
3, by the way that silver ion sterilizer is arranged on inlet pipeline, disinfection and sterilizing is realized to the domestic hot-water in system, guaranteed
Domestic hot-water's water quality safety.
Detailed description of the invention
Fig. 1 is the whole fouling schematic diagram of one embodiment of the invention；
Fig. 2 is the partial enlarged view of part A in Fig. 1, is mainly used for embodying disinfection section and bypass section；
Fig. 3 is the schematic illustration of control section in one embodiment of the invention.
Appended drawing reference: 1, heat exchanger；101, the 5th temperature sensor；2, heating agent supply line；21, the first temperature sensing
Device；22, first pressure sensor；23, electric temperature control valve；3, heating agent discharge line；31, second temperature sensor；32, the second pressure
Force snesor；4, hot water supply line；41, third temperature sensor；5, user's water end (W.E.)；6, water return pipeline；61, backwater section；
62, fluid control section；621, circulating pump；622, control valve for fluids；63, section is sterilized；631, silver ion sterilizer；632, disinfection control
Valve processed；64, section is bypassed；641, bypass control valve (BCV)；7, water pipe；8, water inlet common section；81, the 4th temperature sensor；9, it controls
Molding block；91, time control module；10, combined aural and visual alarm.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is described in detail.
Referring to attached drawing 1, a kind of building central domestic hot water supply system with energy conservation and safety precaution function, including heat exchanger
1, heat exchanger 1 is connected separately with heating agent supply line 2, heating agent discharge line 3, hot water supply line 4 and inlet pipeline.In reality
In work, heating agent from heating equipment (not shown) (can be steam or hot water) can by heating agent supply line 2 into
Enter heat exchanger 1, and realize heat exchange with the cold water in heat exchanger 1, the cold water in heat exchanger 1 is heated to required temperature range；
In the process, the hot water in heat exchanger 1 can be discharged by hot water supply line 4, and be supplied to user's use, and heating agent then leads to
Heating agent discharge line 3 is crossed to be discharged and recycle corresponding heating equipment；At the same time, inlet pipeline is on the one hand recyclable comes from user
With the return water of water end (W.E.) 5, on the other hand moisturizing can be realized with heat exchanging device 1, meet the water demand of user.
Specifically, to realize that central hot water supply, same heating equipment can be equipped with multiple heat exchangers 1 simultaneously.For example, at certain
In one skyscraper, a heat exchanger 1 or even the settable multiple heat exchangers 1 of same floor can be respectively set in each floor, it is ensured that
The comprehensive water demand for meeting user.It is corresponding, above-mentioned heating agent supply line 2, heating agent discharge line 3, hot water supply line 4
It can be arranged in a one-to-one correspondence with heat exchanger 1.
Referring to attached drawing 1, above-mentioned inlet pipeline includes water return pipeline 6 and water pipe 7, and water return pipeline 6 and water pipe 7 are equal
It is connected to heat exchanger 1；Wherein, water return pipeline 6 is mainly used for connecting user's water end (W.E.) 5, and recycles from user's heat of water end (W.E.) 5
Water；Water pipe 7 is mainly used for connecting communal service, the loss for domestic water in replenishment system.Specifically, with it
In for any heat exchanger 1, above-mentioned inlet pipeline further includes one intaking common section 8 for connecting corresponding heat exchanger 1, above-mentioned return water
Pipeline 6 and water pipe 7 are connected by common section 8 of intaking with heat exchanger 1, help to save pipeline cost.
Water return pipeline 6 includes the backwater section 61 for connecting user with water end (W.E.) 5, and backwater section 61 is far from user's water end (W.E.) 5
One end is connected with fluid control section 62 and disinfection section 63 in turn.Wherein, fluid control section 62 backwater section 61 and disinfection section 63 it
Between it is settable a plurality of, such as 2,3,4 etc., and preferably 2.Each fluid control section 62 is in backwater section 61 and disinfection 63 phase of section
In being arranged in parallel between neighboring terminal portion, it is not only provided with circulating pump 621 in each fluid control section 62, but also be provided with fluid
Isolating valve, can be used in control valve 622, the control valve for fluids 622.In actual operation, circulating pump 621 can drive hot water changing
Hot device 1 and user recycle stream between water end (W.E.) 5 realize circulating-heating；Also, when any fluid control section 62 is in failure
Or when maintenance state, it will not influence the normal work of system.
In conjunction with attached drawing 2, for the biological safety problem in the presence of domestic hot-water, it is provided with and disappears in above-mentioned disinfection section 63
Silver ion sterilizer 631 can be used in malicious device, the chlorination equipment, about the specific structure of the silver ion sterilizer 631, reference can be made to
Publication No. CN208087279U, the utility model patent that subject name is " a kind of silver ion sterilizer ", not described here any more.
Meanwhile sterilizing and being additionally provided with disinfection control valve 632 in section 63, which can be used isolating valve,.In real work
In, silver ion sterilizer 631 can continue to be electrolysed out silver ion into hot water after powered up, and circulating pump 621 can drive containing silver
The hot water circulation whole system of ion；Silver ion can not only effectively kill the microorganisms such as the Legionella in domestic hot-water, moreover it is possible to
The formation for effectively inhibiting biomembrane in inner wall of the pipe, guarantees water quality safety.
It is in the bypass section 64 being arranged in parallel that above-mentioned water return pipeline 6, which further includes with disinfection section 63, is provided in the bypass section 64
Bypass control valve (BCV) 641, and isolating valve, can be used in the bypass control valve (BCV) 641.When in hot water used in system disinfection composition close to it is exceeded when, disappear
Malicious device should not work on；At this point, maintenance staff can close disinfection control valve 632, while bypass control valve (BCV) 641 is opened, come
From the return water of user's water end (W.E.) 5 circulating-heating can be realized by bypassing 64 inflow heat exchanger 1 of section.
Referring to attached drawing 3, which further includes the control module for controlling whole system operating status
9, control module 9 is electrically connected with silver ion sterilizer 631 and circulating pump 621 simultaneously.
Control module 9 includes time control module 91, and control module 9 can be silver ion sterilizer by time control module 91 simultaneously
The 631 setting start-stop times, to realize the start by set date of silver ion sterilizer 631 and shut down.Meanwhile to guarantee Systems Sterilizer sterilizing
Effect realizes linkage control to silver ion sterilizer 631 and circulating pump 621 using time control module 91；When silver ion sterilizer
After 91 startings, 9 control loop of control module pump 621, which starts circulating pump 621 simultaneously, can drive silver ion to diffuse to entire system rapidly
System realizes pasteurised completely；After silver ion sterilizer 631 is shut down, 9 control loop of control module pump 621 is continued to run 1-2 hours
Row is shut down again, realizes that the delay of circulating pump 621 is shut down.Specifically, it is preferred that the starting time setting of silver ion sterilizer 631 is existed
User's water low peak period, such as 1:00 AM or 2 points；In this way, so that the disinfecting time of system avoids user with water height
The peak phase makes full use of and carries out adequate disinfection to system with water low peak period.Referring to attached drawing 1, for heat transfer tube wall knot in heat exchanger 1
Dirt is but not easy the problem of finding in time, which further includes for real-time monitoring heat transfer tube wall fouled condition
The first detection components.
In conjunction with attached drawing 3, the first detection components include the first temperature sensor 21, second temperature sensor 31, third temperature
Sensor 41 and the 4th temperature sensor 81.By taking any heat exchanger 1 as an example, the first temperature sensor 21 is set to heating agent confession
It answers on pipeline 2, and is electrically connected with above-mentioned control module 9, the temperature that can be used for when real-time detection heating agent enters heat exchanger 1；
Second temperature sensor 31 is set on heating agent discharge line 3, and is electrically connected with above-mentioned control module 9, can be used in real time
Detect temperature when heating agent is discharged through heat exchanger 1；Third temperature sensor 41 is set to hot water supply line 4 close to heat exchanger 1
Place, and be electrically connected with above-mentioned control module 9, the temperature that can be used for when real-time detection hot water discharge heat exchanger 1；4th temperature
Sensor 81 is set on above-mentioned water inlet common section 8, and is electrically connected with above-mentioned control module 9, be can be used for real-time monitoring and is changed
The water temperature of hot 1 return water of device.
In actual operation, temperature detected by the first temperature sensor 21 is heating agent initial temperature t1, second temperature sensing
Temperature detected by device 31 is heating agent final temperature t2, and temperature detected by third temperature sensor 41 is the final temperature of healed water
T3, temperature detected by the 4th temperature sensor 81 are the initial temperature t4 of healed water.Obtaining above-mentioned each temperature parameter
Under the premise of, it is the specific heat capacity of medium using heat Calculation formula Q=c*m* Δ t(c, m is the flow of medium, and Δ t is heat exchange front and back
Temperature difference) it can calculate separately and obtain the heat that the heat of heating agent release and healed water are absorbed, specific calculation is as follows:
Q1=c*m1*(t2-t1)；
Q2=c*m2*(t4-t3)；
Wherein, Q1 and Q2 is respectively the heat of heating agent release and the heat that healed water is absorbed.Do not considering thermal losses
In the case of, Q1=Q2；Thus it can release, m1* Δ t1=m2* Δ t2(Δ t1=t2-t1, Δ t2=t4-t3).In addition, Q1=K*F* Δ
T=c*m1* Δ t1, therefore K=c*m1* Δ t1/F* Δ t(is wherein, Δ t=(t1+t2)/2-(t3+t4)/2, F be heat exchanger heat exchange
Area, and K is then heat transfer coefficient of heat exchanger).Since equipment is certain, F value be it is certain, Δ t1 and Δ t can be calculated,
The specific heat capacity C of water is also known parameters, then Coefficient K is related with flow rate of heat medium and temperature.
When equipment just comes into operation, without dirt in heat transfer tube wall, flow rate of heat medium m can be measured, therefore can be by heating agent stream
Amount m regards definite value as.At this point, two factors that can influence heat transfer coefficient are respectively variation and the heat transfer tube wall knot of system temperature
The thickness of dirt.Therefore, in actual use, by the variation of monitoring K value and temperature, it can determine whether the feelings of heat transfer tube wall fouling
Condition.Specifically, when system temperature (especially heating agent initial temperature) is without significant change, if K value has dropped compared with its initial value in real time
50% or more, then it can determine whether that heat transfer tube wall fouling is blocked up and needs to clean.For improve convenience, can in system setting sound
Light crossing-signal 10, and combined aural and visual alarm 10 and above-mentioned control module 9 are electrically connected；When control module 9 judges heat exchanger tube needs
When cleaning, control module 9 can control combined aural and visual alarm 10 to start and remind maintenance staff in time.
As shown in attached drawing 1 and 3, the first detection components further include the 5th temperature sensor being set to inside heat exchanger 1
101, the 5th temperature sensor 101 can be used for 1 internal hot-water water temperature of real-time detection heat exchanger；Corresponding, above-mentioned heating agent supplies
Pipeline 2 is answered to be equipped with electric temperature control valve 23, electric temperature control valve 23 and the 5th temperature sensor 101 are electrically connected.In work, when
When five temperature sensors 101 detect that 1 water temperature inside of heat exchanger is exceeded, electric temperature control valve 23 is closed, and heating agent stops entering heat exchange
Device 1.
Referring to attached drawing 1, aiming at the problem that heat transfer tube wall may perforate, which further includes using
In the second detection components of real-time monitoring system pressure change.
In conjunction with attached drawing 3, the second detection components include first pressure sensor 22 and second pressure sensor 32.Wherein,
One pressure sensor 22 is set to heating agent supply line 2 at heat exchanger 1, and is electrically connected with above-mentioned control module 9, can use
Pressure in 1 heating agent inlet of real-time detection heat exchanger；Second pressure sensor 32 is set to heating agent discharge line 3 close to heat exchange
It at device 1, and is electrically connected with above-mentioned control module 9, can be used for the pressure in 1 heating agent exit of real-time detection heat exchanger.By
Pressure parameter measured by one pressure sensor 22 and second pressure sensor 32, control module 9 can be to user's Real-time Feedback systems
The pressure drop of system.
In equipment normal course of operation, the pressure drop of system should be fluctuated in predetermined pressure range；When system pressure drop exceeds
When predetermined value, illustrate that pressure anomaly phenomenon occurs in system, heat exchanger tube is very likely perforated；At this point, control module 9 can pass through
Combined aural and visual alarm 10 reminds maintenance staff to safeguard.In this way, when maintenance staff not only can know system in time
Heat exchanger tube perforated phenomenon occurs, the heat exchanger tube perforated can also be accurately judged to specifically on which platform heat exchanger 1, convenience
It greatly improves.
The working principle of the present embodiment is: in actual use, heating agent enters heat exchanger 1 by heating agent supply line 2, and
Heat exchange is carried out with the cold water in heat exchanger 1, so that the water in heat exchanger 1 is heated to required temperature range and is stored in heat exchange
In 1 tank body of device；At the same time, the heating agent after discharging heat can be discharged by heating agent discharge line 3 and be recycled by heating equipment.
When user needs with water, hot water is discharged through hot water supply line 4 and is supplied to user with water end (W.E.) 5.In the process, return pipe
Road 6 is recyclable from user's hot water of water end (W.E.) 5, so that hot water is circulated in heat exchanger 1 and user between water end (W.E.) 5, it is real
Existing circulating-heating；And water pipe 7 can in replenishment system domestic water loss, meet user continue use water.
In use, the first temperature sensor 21, second temperature sensor 31, third temperature sensor 41 and the 4th temperature pass
Sensor 81 can real-time detecting system each point temperature, the variation of 1 energy saving of indirect monitoring heat exchanger.When heating agent initial temperature is without bright
When aobvious variation, if K value drops to the 50% of its initial value in real time or hereinafter, control module 9 can remind dimension by combined aural and visual alarm 10
Guarantor person carries out the cleaning of corresponding heat exchanger tube.
Also, by first pressure sensor 22 and second pressure sensor 32, moreover it is possible to real-time monitoring system pressure drop.When being
When uniting pressure drop beyond setting numberical range, control module 9 can remind maintenance staff to correspond to heat exchanger tube by combined aural and visual alarm 10 can
It can perforate, maintenance staff is facilitated to safeguard or replace in time corresponding heat exchanger tube.
In addition, the silver ion sterilizer 631 and circulating pump 621 in system can start by set date；After starting, silver ion sterilizer
631 it is sustainable silver ion is electrolysed out into hot water, circulating pump 621 can drive silver ion to diffuse to whole system rapidly, thus
Comprehensive and sufficient sterilization is realized to the domestic hot-water in system.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of building central domestic hot water supply system with energy conservation and safety precaution function, including control module (9) and heat exchange
Device (1), the heat exchanger (1) are connected separately with heating agent supply line (2), heating agent discharge line (3), hot water supply line (4)
And inlet pipeline, which is characterized in that
The heating agent supply line (2) be equipped with the first temperature sensor (21) and first pressure sensor (22), described first
Temperature sensor (21) and first pressure sensor (22) are electrically connected with control module (9)；
The heating agent discharge line (3) be equipped with second temperature sensor (31) and second pressure sensor (32), described second
Temperature sensor (31) and second pressure sensor (32) are electrically connected with control module (9)；
The hot water supply line (4), the hot water for being discharged in heat exchanger (1), which is provided with third temperature sensor (41),
The third temperature sensor (41) and control module (9) are electrically connected；
The inlet pipeline which is provided with the 4th temperature sensor (81), the 4th temperature for supplying water for heat exchanger (1)
Sensor (81) and control module (9) are electrically connected.
2. building central domestic hot water supply system according to claim 1, which is characterized in that the heating agent supply line (2)
It is equipped with electric temperature control valve (23)；The 5th temperature for detecting heat exchanger (1) internal temperature is equipped in the heat exchanger (1) to pass
Sensor (101), the 5th temperature sensor (101) electrically connect with electric temperature control valve (23).
3. building central domestic hot water supply system according to claim 1, which is characterized in that the inlet pipeline includes return water
Pipeline (6) and water pipe (7), the water return pipeline (6) are connected with user with water end (W.E.) (5), the water pipe (7) with it is public
Water system is connected.
4. building central domestic hot water supply system according to claim 3, which is characterized in that the inlet pipeline further includes one
For connecting the water inlet common section (8) of heat exchanger (1), the water return pipeline (6) and water pipe (7) pass through water inlet common section
(8) it is connected with heat exchanger (1), and the 4th temperature sensor (81) is set on water common section (8).
5. building central domestic hot water supply system described in any one of -4 according to claim 1, which is characterized in that the water inlet pipe
Road is equipped with silver ion sterilizer (631).
6. building central domestic hot water supply system according to claim 5, which is characterized in that the silver ion sterilizer
(631) it is electrically connected with control module (9)；The control module (9) includes time control module (91), for being arranged periodically, and in
Setting time starts or closes down silver ion sterilizer (631).
7. building central domestic hot water supply system according to claim 6, which is characterized in that be additionally provided on the inlet pipeline
Circulating pump (621), the circulating pump (621) and control module (9) are electrically connected.
8. building central domestic hot water supply system according to claim 7, which is characterized in that the circulating pump (621) passes through
Control module (9) and silver ion sterilizer (631), which are formed, links；It is described after the silver ion sterilizer (631) is out of service
Control module (9) control loop pump (621) is shut down after continuing to run 1-2 hours.
9. building central domestic hot water supply system described in any one of -4 according to claim 1, which is characterized in that the control mould
Block (9) is also electrically connected with combined aural and visual alarm (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224618.9A CN109959058A (en) | 2019-03-23 | 2019-03-23 | A kind of building central domestic hot water supply system with energy conservation and safety precaution function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224618.9A CN109959058A (en) | 2019-03-23 | 2019-03-23 | A kind of building central domestic hot water supply system with energy conservation and safety precaution function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109959058A true CN109959058A (en) | 2019-07-02 |
Family
ID=67024828
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224618.9A Pending CN109959058A (en) | 2019-03-23 | 2019-03-23 | A kind of building central domestic hot water supply system with energy conservation and safety precaution function |
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| CN (1) | CN109959058A (en) |
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| JP2018059667A (en) * | 2016-10-05 | 2018-04-12 | 株式会社ミヤワキ | Internal circulation type hot water system |
| CN108361808A (en) * | 2018-01-22 | 2018-08-03 | 上海通华不锈钢压力容器工程有限公司 | A kind of integrated form domestic hot-water's unit with sterilizing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848377A (en) * | 2014-11-22 | 2015-08-19 | 青岛同创节能环保工程有限公司 | Dual-heat-source domestic hot water centralized supply system |
| CN104848366A (en) * | 2014-11-22 | 2015-08-19 | 青岛同创节能环保工程有限公司 | All-purpose domestic hot water machine set |
| CN104864465A (en) * | 2014-11-24 | 2015-08-26 | 青岛同创节能环保工程有限公司 | Hygienic type hot water heat exchange unit |
| WO2018002875A1 (en) * | 2016-07-01 | 2018-01-04 | Eti S.N.C. | Thermal energy distribution kit or system for the production of domestic hot water and hot water for heating purposes and plant employing said kit |
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