CN104374871B - The detection method of water fouling, device and system - Google Patents
The detection method of water fouling, device and system Download PDFInfo
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- CN104374871B CN104374871B CN201310352467.8A CN201310352467A CN104374871B CN 104374871 B CN104374871 B CN 104374871B CN 201310352467 A CN201310352467 A CN 201310352467A CN 104374871 B CN104374871 B CN 104374871B
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Abstract
The invention discloses detection method, device and the system of a kind of water fouling.Wherein, the detection method of water fouling includes that controlling destination apparatus runs, and wherein, destination apparatus is the device that simulation hot water machine runs；And the status data in detection destination apparatus running, obtain the floor data of water fouling.By the present invention, solving the problem easily occurring hot water machine design deviation in prior art, and then reached the floor data of water fouling in true reflection hot water machine, designing for hot water machine provides the effect of reliable reference data.
Description
Technical field
The present invention relates to detection technique field, in particular to detection method, device and the system of a kind of water fouling.
Background technology
Occurring that the problem of water fouling is the big problem in puzzlement industry about hot water machine, current hot water machine industry is to heat
When the water scale problems of water machine is analyzed, can only be analyzed according to correlation theory data, owing to gross data is difficult to
The real actual state reacting hot water machine water fouling, causes when carrying out the design of hot water machine based on analysis result, goes out
Existing design deviation, causes hot water machine to be easily formed serious water fouling.
For correlation technique easily occurs the problem of hot water machine design deviation, effective solution is the most not yet proposed.
Summary of the invention
Present invention is primarily targeted at detection method, device and the system that a kind of water fouling is provided, to solve existing skill
The problem that hot water machine design deviation easily occurs in art.
To achieve these goals, according to an aspect of the invention, it is provided the detection method of a kind of water fouling, examine
Survey method includes: controls destination apparatus and runs, and wherein, destination apparatus is the device that simulation hot water machine runs；And inspection
Survey the status data in destination apparatus running, obtain the floor data of water fouling.
Further, the status data in detection destination apparatus running, the floor data obtaining water fouling includes:
Temperature in the pipe of copper pipe in detection destination apparatus, after obtaining the floor data of water fouling, detection method also includes:
Calculate the total dissolved solidss of solution in destination apparatus；The calcium hardness of the water fouling that temperature is corresponding in the pipe searched and detect
Coefficient and basicity factor；And according to temperature, total dissolved solidss, calcium hardness coefficient and basicity factor in the pipe detected
Determine the scale coefficient of water fouling.
Further, water is determined according to temperature, total dissolved solidss, calcium hardness coefficient and basicity factor in the pipe detected
The scale coefficient of fouling includes: according to temperature, total dissolved solidss, calcium hardness coefficient and basicity factor in the pipe detected
Calculate the saturated PH of solution in destination apparatus；The actual PH of solution in destination apparatus is calculated according to basicity factor；And
Scale coefficient is determined according to saturated PH and actual PH.
Further, according to formula PHs=(α+A+B)-(C+D) calculates saturated PH, according to formula
PHe=β lgD+ γ calculates actual PH, according to formula PSI=λ PHs-PHeCalculating scale coefficient, wherein, A is
Total dissolved solidss, B is temperature in the pipe detected, C is calcium hardness coefficient, and D is basicity factor, PHsFor saturated
PH, PHeBeing scale coefficient for actual PH, PSI, α, β, γ and λ are predetermined coefficient.
Further, the status data in detection destination apparatus running, the floor data obtaining water fouling also includes:
The tube wall temperature of copper pipe outer wall various location in detection destination apparatus；Detection destination apparatus in copper pipe inflow temperature and
Leaving water temperature；And the liquid inventory in copper pipe in detection destination apparatus, after obtaining the floor data of water fouling,
Detection method also includes: calculate water knot according to the tube wall temperature detected, inflow temperature, leaving water temperature and liquid inventory
The heat transfer coefficient of dirt and/or thermal resistivity.
Further, according to below equation Numerical heat transfer coefficient:
Wherein, K is heat transfer coefficient, T1And T2The tube wall temperature of two various locations of copper pipe outer wall for detecting, t1
For inflow temperature, t2For leaving water temperature, R is liquid inventory, CpFor the specific heat capacity of solution in copper pipe, d is copper pipe
External diameter, l is the length of copper pipe, and thermal resistivity is the inverse of heat transfer coefficient.
Further, after controlling destination apparatus and running, and the status number in detection destination apparatus running
According to before, detection method also includes: whether the solution judged in destination apparatus in copper pipe reaches poised state, wherein,
In the case of in judging destination apparatus, the solution in copper pipe reaches poised state, in detection destination apparatus running
Status data.
Further, it is judged that in destination apparatus, whether the solution in copper pipe reaches poised state and include: the electricity of detection solution
Conductance and pH value；And judge that electrical conductivity and pH value the most all keep constant, wherein, judge electrical conductivity and
PH value all keep constant in the case of, the solution determined in destination apparatus in copper pipe reaches poised state.
To achieve these goals, according to a further aspect in the invention, it is provided that the detection device of a kind of water fouling, should
Detection device is for performing the detection method of any one water fouling that foregoing of the present invention is provided.
To achieve these goals, according to a further aspect in the invention, it is provided that the detection device of a kind of water fouling, bag
Including: controller, be used for controlling destination apparatus and run, wherein, destination apparatus is the device that simulation hot water machine runs；With
And detector, for detecting the status data in destination apparatus running, obtain the floor data of water fouling.
Further, detection device also includes: host computer, has communication interface and processor, and wherein, processor leads to
Cross communication interface to be all connected with detector and controller, be used for receiving and processing floor data, and transmitting control commands
To controller, control command is to control the order that destination apparatus runs.
Further, detector includes: the first temperature sensor, is connected with host computer, is used for detecting destination apparatus
In temperature in the pipe of middle copper pipe, and the pipe that will detect, temperature is transmitted to host computer.
Further, detector also includes: multiple second temperature sensors, is all connected with host computer, is used for detecting
The tube wall temperature of copper pipe outer wall various location in destination apparatus, and the tube wall temperature detected is transmitted to host computer；
Three-temperature sensor, is connected with host computer, for detecting the inflow temperature of copper pipe in destination apparatus, and will water inlet
Temperature is transmitted to host computer；4th temperature sensor, is connected with host computer, for detecting copper pipe in destination apparatus
Leaving water temperature, and leaving water temperature is transmitted to host computer；And flow detector, it is connected with host computer, is used for examining
Survey the liquid inventory in copper pipe in destination apparatus, and liquid inventory is transmitted to host computer.
Further, detector also includes: conductivity meter, is connected with host computer, is used for detecting in destination apparatus molten
The electrical conductivity of liquid, and electrical conductivity is transmitted to host computer；And PH value detector, it is connected with host computer, is used for
The pH value of detection solution, and pH value is transmitted to host computer.
Further, host computer includes: display screen, is connected with processor, is used for showing floor data and processor
Result.
To achieve these goals, according to a further aspect in the invention, it is provided that the detecting system of a kind of water fouling, bag
Including: destination apparatus, wherein, destination apparatus is the device that simulation hot water machine runs；And detection device, it is used for controlling
Destination apparatus runs, and detects the status data in destination apparatus running, obtains the floor data of water fouling.
The present invention uses control destination apparatus to run, and wherein, destination apparatus is the device that simulation hot water machine runs；And
Status data in detection destination apparatus running, obtains the floor data of water fouling.Transport by controlling destination apparatus
Row simulates the operation of hot water machine, and detects the status data of destination apparatus in running, it is achieved that energy
Enough get the floor data of water fouling in hot water machine actual moving process, carry out hot water machine design for follow-up provide can
The reference data leaned on, solves the problem easily occurring hot water machine design deviation in prior art, and then has reached true
In reflection hot water machine, the floor data of water fouling, designs for hot water machine and provides the effect of reliable reference data.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the detection method of water fouling according to embodiments of the present invention；
Fig. 2 is to control the flow chart that destination apparatus runs in Fig. 1；
Fig. 3 is the schematic diagram of the detection device of water fouling according to embodiments of the present invention；
Fig. 4 is the concrete schematic diagram of detection device of water fouling in Fig. 3；And
Fig. 5 is the internal structure schematic diagram of the detection device of water fouling according to embodiments of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiments providing the detection method of a kind of water fouling, the water provided the embodiment of the present invention below is tied
The detection method of dirt is specifically introduced:
Fig. 1 is the flow chart of the detection method of water fouling according to embodiments of the present invention, as it is shown in figure 1, the method bag
Include steps S101 to step S103:
S101: control destination apparatus and run, wherein, destination apparatus is the device that simulation hot water machine runs, and fills target
The control mode put is it is shown in fig. 2, as in figure 2 it is shown, control destination apparatus operation and specifically include that at destination apparatus
After startup, the water temperature of the water tank temperature in destination apparatus and the experiment water entering destination apparatus is acquired, if gathering
The water tank temperature arrived is more than setting value, then the heating rod controlling destination apparatus is closed, otherwise opens heating rod.If gathering
The water temperature of the experiment water arrived more than setting value, is then opened the cooling water pump in destination apparatus and is connected with destination apparatus
Window machine, on the contrary then close cooling water pump and window machine.
S103: the status data in detection destination apparatus running, obtains the floor data of water fouling.That is, at mesh
In device for mark simulation hot water machine running, its status data is detected, obtain simulating the work of hot water machine water fouling
Condition data.
The water fouling detection method of the embodiment of the present invention, simulates the operation of hot water machine by controlling destination apparatus operation,
And in running, the status data of destination apparatus is detected, it is achieved that hot water machine actual motion can be got
During the floor data of water fouling, carry out hot water machine design provide reliable reference data for follow-up, solve existing
There is the problem that hot water machine design deviation easily occurs in technology, and then reached the work of water fouling in true reflection hot water machine
Condition data, design for hot water machine and provide the effect of reliable reference data.
Further, the status data in detection destination apparatus running includes detecting in destination apparatus in the pipe of copper pipe
Temperature, correspondingly, after obtaining managing interior temperature, the detection method of the embodiment of the present invention also includes that basis detects
Other analog parameter when temperature and destination apparatus simulation hot water machine run in pipe determines the scale coefficient of water fouling, this
Bright embodiment provides a kind of method of scale coefficient determining water fouling, specific as follows:
Calculating the total dissolved solidss of solution in destination apparatus, these total dissolved solidss can be according to being utilized in destination apparatus
The allocation ratio of specific experiment water is calculated, specifically, and can be by the gravimetric detemination in GB/T15893.4.
The calcium hardness coefficient of the water fouling that the interior temperature of pipe searched and detect is corresponding and basicity factor, water fouling main
Composition is calcium carbonate (CaCO3), wherein, basicity factor refers to the basicity of aqueous solution, also referred to as acid consumption, i.e. unit bodies
Can be with strong acid (i.e. H in hydrops sample+) there is the total amount of material of neutralization, strong acid (example hydrochloric acid) can be used
Standard solution carries out acid base titration and records.In embodiments of the present invention, calcium hardness coefficient is with CaCO3Middle Ca2+Concentration
(unit: mg/L) represents, basicity factor is with CaCO3Concentration (unit: mg/L) represent, under different temperatures,
The different solubility of calcium carbonate, can obtain the CaCO corresponding with temperature in pipe by tabling look-up3Concentration and corresponding
Ca2+Concentration, i.e. obtain calcium hardness coefficient and basicity factor.
The fouling of water fouling is determined according to temperature, total dissolved solidss, calcium hardness coefficient and basicity factor in the pipe detected
Coefficient, specifically, first according to temperature, total dissolved solidss, calcium hardness coefficient and basicity factor meter in the pipe detected
Calculate the saturated PH and actual PH of solution in destination apparatus, then determine scale coefficient according to saturated PH and actual PH.
Wherein, saturated PH is according to formula PHs=(α+A+B)-(C+D) calculates, and actual PH is according to formula
PHe=β lgD+ γ calculates, and scale coefficient is according to formula PSI=λ PHs-PHeCalculating, in above-mentioned formula, A is
Total dissolved solidss, B is temperature in the pipe detected, C is calcium hardness coefficient, and D is basicity factor, PHsFor saturated
PH, PHeBeing scale coefficient for actual PH, PSI, α, β, γ and λ are predetermined coefficient, in the embodiment of the present invention,
The concrete value of each predetermined coefficient meets: PHs=(9.70+A+B)-(C+D), PHe=1.465lgD+4.54,
PSI=2PHs-PHe。
The scale coefficient PSI determined can correctly reflect aqueous solution fouling and corrosion tendency, and PSI is the biggest, and solution is got over
To in corrosion type, otherwise more trending towards fouling type, in embodiments of the present invention, PSI > 6 explanation aqueous solutions are corrosion type,
PSI < 6 explanation aqueous solution is fouling type, and PSI=6 explanation aqueous solution is leveling style.
Further, the status data in detection destination apparatus running also includes: copper pipe in detection destination apparatus
The tube wall temperature of outer wall various location；Detect inflow temperature and the leaving water temperature of copper pipe in destination apparatus；And detection
Liquid inventory in copper pipe in destination apparatus.Correspondingly, after obtaining the floor data of water fouling, the present invention implements
The detection method of example also includes: calculate according to the tube wall temperature detected, inflow temperature, leaving water temperature and liquid inventory
The heat transfer coefficient of water fouling and/or thermal resistivity.Embodiments provide a kind of heat transfer coefficient calculating water fouling
Method, particularly as follows: according to formulaNumerical heat transfer coefficient, wherein, K is heat transfer
Coefficient, T1And T2The tube wall temperature of two various locations of copper pipe outer wall for detecting, t1For inflow temperature, t2For
Leaving water temperature, R is liquid inventory, CpFor the specific heat capacity of solution in copper pipe, d is the external diameter of copper pipe, and l is copper pipe
Length, thermal resistivity is the inverse of heat transfer coefficient.
Preferably, after controlling destination apparatus and running, and the status data in detection destination apparatus running
Before, the detection method of the embodiment of the present invention also includes: whether the solution judged in destination apparatus in copper pipe reaches balance
State, wherein, in the case of in judging destination apparatus, the solution in copper pipe reaches poised state, detection target dress
Put the status data in running.
Whether solution reaches poised state refers to when positive reaction and back reaction speed are equal, the concentration dimension of each material in system
Hold certain, no longer time to time change.For the detection of water fouling, the reaction of water fouling has:
Ca(HCO3)2=Ca2++2HCO3 -；
HCO3 -=H++CO3 2-；
CaCO3=Ca2++CO3 2-；
According to above-mentioned reaction equation, if calcium bicarbonate neither resolves into calcium carbonate, calcium carbonate also will not continue to be dissolved in dioxy
The solution changed in carbon aqueous solution formation calcium bicarbonate, the most referred to as copper pipe reaches poised state.
Whether the solution in copper pipe in destination apparatus is reached to the judgement of poised state, mainly by detection solution
Electrical conductivity and pH value, then judge that electrical conductivity and pH value the most all keep constant, judging electrical conductivity and pH value
All keep constant in the case of, the solution determined in destination apparatus in copper pipe reaches poised state.
In the case of reaching poised state by the solution in copper pipe in judging destination apparatus, detection destination apparatus fortune
Status data during row, improves the degree of accuracy of the status data detected.
Detection method in the embodiment of the present invention also includes that the floor data to the above-mentioned water fouling detected and process obtain
Various coefficients show.
The embodiment of the present invention additionally provides the detection device of a kind of water fouling, and this detection device is mainly used in performing the present invention
The detection method of any one water fouling that embodiment foregoing is provided, the water below embodiment of the present invention provided
The detection device of fouling is specifically introduced:
Fig. 3 is the schematic diagram of the detection device of water fouling according to embodiments of the present invention, as it is shown in figure 1, this detection dress
Putting and mainly include controller 10 and detector 20, wherein, controller 10 is used for controlling destination apparatus and runs, wherein,
Destination apparatus is the device that simulation hot water machine runs, and controller 10 is real with the present invention to the concrete control mode of destination apparatus
Executing the mode that example foregoing provided identical, here is omitted.Detector 20 is used for detecting destination apparatus and ran
Status data in journey, obtains the floor data of water fouling.
The water fouling detection device of the embodiment of the present invention, controls destination apparatus operation by controller and simulates hot water machine
Run, and by detector, the status data of destination apparatus is detected in running, it is achieved that can get
The floor data of water fouling in hot water machine actual moving process, for follow-up carry out hot water machine design provide reliable reference
Data, solve the problem easily occurring hot water machine design deviation in prior art, and then have reached true reflection hot water
The floor data of water fouling in machine, designs for hot water machine and provides the effect of reliable reference data.
Further, as shown in Figure 4, the detection device of the embodiment of the present invention also includes host computer 30, host computer 30
Having communication interface and processor (not shown in Fig. 4), wherein, processor is by communication interface and detector and control
Device is all connected, and processor receives and process the data that detector detects by communication interface, and passes through communication interface
Transmitting control commands is to controller, and wherein, control command is to control the order that destination apparatus runs.
Detector 20 includes the first temperature sensor, and this first temperature sensor is connected with host computer, is used for detecting mesh
In device for mark, in the pipe of copper pipe, in temperature, and the pipe that will detect, temperature is transmitted to host computer.That is, the first temperature sensing
Device is a sensor in the interior temperature collect module of pipe, and in embodiments of the present invention, the first temperature sensor can be
PT100 thermal resistance.Host computer is in receiving pipe after temperature, by processor according to temperature and target in the pipe detected
Other analog parameter when unit simulation hot water machine runs determines the scale coefficient of water fouling, specifically determines mode and this
The mode that bright embodiment foregoing is provided is identical, and here is omitted.
Detector 20 also includes multiple second temperature sensor, three-temperature sensor, the 4th temperature sensor and flow
Detector, wherein, multiple second temperature sensors are all connected with host computer, are used for detecting in destination apparatus outside copper pipe
The tube wall temperature of wall various location, and the tube wall temperature detected is transmitted to host computer；Three-temperature sensor with
Host computer is connected, and for detecting the inflow temperature of copper pipe in destination apparatus, and transmits inflow temperature to host computer；
4th temperature sensor is connected with host computer, for detecting the leaving water temperature of copper pipe in destination apparatus, and will go out water temperature
Degree transmission is to host computer；Flow detector is connected with host computer, for the solution stream detected in destination apparatus in copper pipe
Amount, and liquid inventory is transmitted to host computer.That is, multiple second temperature sensor is in tube wall temperature acquisition module
Sensor, three-temperature sensor and the 4th temperature sensor are the sensor in the interior temperature collect module of pipe, at this
In inventive embodiments, the second temperature sensor, three-temperature sensor and the 4th temperature sensor can be all K-type heat
Galvanic couple.Host computer after receiving temperature that sensor sends and the liquid inventory that flow detector sends,
Calculate the heat transfer of water fouling according to the tube wall temperature detected, inflow temperature, leaving water temperature and liquid inventory by processor
Coefficient and/or thermal resistivity, the mode that concrete calculation is provided with embodiment of the present invention foregoing is identical, herein
Repeat no more.
Detector 20 also includes conductivity meter and PH value detector, and both is connected with host computer, wherein, and conductance
Rate instrument is for detecting the electrical conductivity of solution, and by electrical conductivity transmission to host computer, PH value detector is for detecting solution
PH value, and pH value is transmitted to host computer.Host computer is after receiving the pH value of electrical conductivity and solution, by processing
Device judges that the pH value of electrical conductivity and solution the most all keeps constant, is judging that electrical conductivity and pH value all keep constant
In the case of, the solution determined in destination apparatus in copper pipe reaches poised state.In this case, processor sends phase
Each detection device instructed to detector 20 answered, is performed corresponding detection by each detection device.
In the case of reaching poised state by the solution in copper pipe in judging destination apparatus, detection destination apparatus fortune
Status data during row, improves the degree of accuracy of the status data detected.
Further, as it is shown in figure 5, host computer 30 also includes transducer, this transducer will be for passing through RS232
Communication modes transfers RS485 communication modes to, and the communication interface of host computer 30 includes RS485 communication interface and RS232
Communication interface, wherein, RS485 communication interface is connected with processor by transducer, and with controller and detector
It is connected, in Figure 5, K-type thermocouple CN1 interface, transducer and RS232 in RS485 communication interface
COM port or COM device or COM1 in communication interface is connected to processor, and PT100 thermal resistance CN2 in RS485 communication interface connects
COM port or COM device or COM1 in mouth, transducer and RS232 communication interface is connected to processor, and controller connects through RS485 communication
The COM port or COM device or COM1 in CN3 interface, transducer and RS232 communication interface in Kou is connected to processor.RS232 leads to
Communication interface is connected with processor, and is connected with conductivity meter and PH value detector, in Fig. 5, and PH value detector
Being connected to processor through the COM2 mouth of RS232 communication interface, conductivity meter is through the COM3 of RS232 communication interface
Mouth is connected to processor.
Further, in the detection device of the embodiment of the present invention, host computer can also include being connected with processor
Display screen, this display screen may be used for the result of floor data and the processor obtaining detection and shows.
The embodiment of the present invention additionally provides the detecting system of a kind of water fouling, this detecting system can be any employing this
The system of the detection method of the water fouling that bright embodiment foregoing is provided, it is also possible to be that any present invention of including implements
The system of the detection device of the water fouling that example foregoing is provided.Additionally, this detecting system also includes simulating heat
The destination apparatus that water machine runs.
As can be seen from the above description, present invention achieves and accurately obtain water knot in hot water machine actual moving process
Dirt floor data, for follow-up carry out hot water machine design provide reliable reference data.
What the embodiment of the present invention was realized carries out the hot water machine design reliable reference data of offer, when referring to design for follow-up
Can avoid the occurrence of serious scale situation, learn when 70 DEG C as after detection, flow velocity is that 2m/s water fouling is the most serious,
Then design water-heater heat-exchanging pipe operating temperature and speed avoid 70 DEG C of temperature and 2m/s flow velocity.
It should be noted that can be at such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
Computer system performs, and, although show logical order in flow charts, but in some cases, can
With to be different from the step shown or described by order execution herein.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device realize, they can concentrate on single calculating device, or is distributed in multiple calculating device institute
On the network of composition, alternatively, they can realize with calculating the executable program code of device, it is thus possible to
It is stored in storing in device and is performed by calculating device, or they are fabricated to respectively each integrated circuit die
Block, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention
It is not restricted to any specific hardware and software combine.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made
Any modification, equivalent substitution and improvement etc., should be included within the scope of the present invention.
Claims (15)
1. the detection method of a water fouling, it is characterised in that described detection method includes:
Controlling destination apparatus to run, wherein, described destination apparatus is the device that simulation hot water machine runs, and controls mesh
Device for mark runs and includes: after described destination apparatus starts, to the water tank temperature in described destination apparatus and entrance
The water temperature of the experiment water of described destination apparatus is acquired, if described water tank temperature is more than setting value, then controls institute
The heating rod stating destination apparatus is closed, otherwise opens described heating rod, if the water temperature of the described experiment water collected
More than described setting value, then open the cooling water pump in described destination apparatus and be connected with described destination apparatus
Window machine, on the contrary then close described cooling water pump and described window machine；And
Detect the status data in described destination apparatus running, obtain the floor data of described water fouling, its
In, described status data includes at least one of: temperature, described mesh in the pipe of copper pipe in described destination apparatus
In device for mark copper pipe outer wall various location tube wall temperature and in described destination apparatus the inflow temperature of copper pipe and
Leaving water temperature.
Detection method the most according to claim 1, it is characterised in that
Detecting the status data in described destination apparatus running, the floor data obtaining described water fouling includes:
Detect in described destination apparatus temperature in the pipe of copper pipe,
After obtaining the floor data of described water fouling, described detection method also includes:
Calculate the total dissolved solidss of solution in described destination apparatus；
The calcium hardness coefficient managing described water fouling corresponding to interior temperature searched and detect and basicity factor；And
According to temperature, described total dissolved solidss, described calcium hardness coefficient and described basicity factor in the pipe detected
Determine the scale coefficient of described water fouling.
Detection method the most according to claim 2, it is characterised in that according to temperature in the pipe detected, described always
Dissolved solid, described calcium hardness coefficient and described basicity factor determine that the scale coefficient of described water fouling includes:
According to temperature, described total dissolved solidss, described calcium hardness coefficient and described basicity factor in the pipe detected
Calculate the saturated PH of solution in described destination apparatus；
The actual PH of solution in described destination apparatus is calculated according to described basicity factor；And
Described scale coefficient is determined according to described saturated PH and described actual PH.
Detection method the most according to claim 3, it is characterised in that
According to formula PHs=(α+A+B)-(C+D) calculates described saturated PH,
According to formula PHe=β lgD+ γ calculates described actual PH,
According to formula PSI=λ PHs-PHeCalculate described scale coefficient,
Wherein, A is described total dissolved solidss, and B is temperature in the pipe detected, C is described calcium hardness coefficient,
D is described basicity factor, PHsFor described saturated PH, PHeIt is described fouling for described actual PH, PSI
Coefficient, α, β, γ and λ are predetermined coefficient.
Detection method the most according to claim 2, it is characterised in that
Detecting the status data in described destination apparatus running, the floor data obtaining described water fouling also wraps
Include:
Detect the tube wall temperature of copper pipe outer wall various location in described destination apparatus；
Detect inflow temperature and the leaving water temperature of copper pipe in described destination apparatus；And
Detect the liquid inventory in copper pipe in described destination apparatus,
After obtaining the floor data of described water fouling, described detection method also includes:
Calculate according to the tube wall temperature detected, described inflow temperature, described leaving water temperature and described liquid inventory
The heat transfer coefficient of described water fouling and/or thermal resistivity.
Detection method the most according to claim 5, it is characterised in that according to the below equation described heat transfer coefficient of calculating:
Wherein, K is described heat transfer coefficient, T1And T2For two various locations of described copper pipe outer wall detected
Tube wall temperature, t1For described inflow temperature, t2For described leaving water temperature, R is described liquid inventory, CpFor
The specific heat capacity of solution in described copper pipe, d is the external diameter of described copper pipe, and l is the length of described copper pipe,
Described thermal resistivity is the inverse of described heat transfer coefficient.
Detection method the most according to claim 1, it is characterised in that after controlling destination apparatus and running, and
Before status data in detecting described destination apparatus running, described detection method also includes:
Whether the solution judged in described destination apparatus in copper pipe reaches poised state,
Wherein, in the case of in judging described destination apparatus, the solution in copper pipe reaches described poised state,
Detect the status data in described destination apparatus running.
Detection method the most according to claim 7, it is characterised in that judge in described destination apparatus in copper pipe is molten
Whether liquid reaches poised state includes:
Detect electrical conductivity and the pH value of described solution；And
Judge that described electrical conductivity and described pH value the most all keep constant,
Wherein, judge described electrical conductivity and described pH value all keep constant in the case of, determine described mesh
In device for mark, the solution in copper pipe reaches described poised state.
9. the detection device of a water fouling, it is characterised in that including:
Controller, is used for controlling destination apparatus and runs, and wherein, described destination apparatus is that simulation hot water machine runs
Device, controls destination apparatus operation and includes: after described destination apparatus starts, to the water in described destination apparatus
The water temperature of the experiment water of case temperature and the described destination apparatus of entrance is acquired, if described water tank temperature is more than setting
Value, then the heating rod controlling described destination apparatus is closed, otherwise is opened described heating rod, if collect is described
The water temperature of experiment water more than described setting value, then open the cooling water pump in described destination apparatus and with described target
The window machine that device is connected, on the contrary then close described cooling water pump and described window machine；And
Detector, for detecting the status data in described destination apparatus running, obtains described water fouling
Floor data, wherein, described status data includes at least one of: in described destination apparatus in the pipe of copper pipe
Copper pipe in the tube wall temperature of copper pipe outer wall various location and described destination apparatus in temperature, described destination apparatus
Inflow temperature and leaving water temperature.
Detection device the most according to claim 9, it is characterised in that described detection device also includes:
Host computer, has communication interface and processor, and wherein, described processor passes through described communication interface and institute
State detector to be all connected with described controller, be used for receiving and processing described floor data, and send control life
Order is to described controller, and described control command is to control the order that described destination apparatus runs.
11. detection devices according to claim 10, it is characterised in that described detector includes:
First temperature sensor, is connected with described host computer, for detecting the pipe of copper pipe in described destination apparatus
In interior temperature, and the pipe that will detect, temperature transmission is to described host computer.
12. detection devices according to claim 10, it is characterised in that described detector also includes:
Multiple second temperature sensors, are all connected with described host computer, are used for detecting copper in described destination apparatus
The tube wall temperature of pipe outer wall various location, and the tube wall temperature transmission extremely described host computer that will detect；
Three-temperature sensor, is connected with described host computer, for detecting entering of copper pipe in described destination apparatus
Coolant-temperature gage, and by the transmission of described inflow temperature to described host computer；
4th temperature sensor, is connected with described host computer, for detecting going out of copper pipe in described destination apparatus
Coolant-temperature gage, and by the transmission of described leaving water temperature to described host computer；And
Flow detector, is connected with described host computer, for the solution detected in described destination apparatus in copper pipe
Flow, and by the transmission of described liquid inventory to described host computer.
13. detection devices according to claim 10, it is characterised in that described detector also includes:
Conductivity meter, is connected with described host computer, for detecting the electrical conductivity of solution in described destination apparatus,
And by the transmission of described electrical conductivity to described host computer；And
PH value detector, is connected with described host computer, for detecting the pH value of described solution, and by described
PH value transmission is to described host computer.
14. detection devices according to claim 10, it is characterised in that described host computer includes:
Display screen, is connected with described processor, for showing described floor data and the process of described processor
Result.
The detecting system of 15. 1 kinds of water foulings, it is characterised in that including:
Destination apparatus, wherein, described destination apparatus is the device that simulation hot water machine runs；And
Detection device, is used for controlling described destination apparatus and runs, and detect in described destination apparatus running
Status data, obtains the floor data of described water fouling, wherein, controls destination apparatus operation and include: described
After destination apparatus starts, to the water tank temperature in described destination apparatus and the experiment water entering described destination apparatus
Water temperature is acquired, if described water tank temperature is closed more than setting value, the then heating rod controlling described destination apparatus,
Otherwise open described heating rod, if the water temperature of the described experiment water collected is more than described setting value, then open institute
State the cooling water pump in destination apparatus and the window machine being connected with described destination apparatus, otherwise then close described cooling
Water pump and described window machine, wherein, described status data includes at least one of: copper pipe in described destination apparatus
Pipe in the tube wall temperature of copper pipe outer wall various location and described destination apparatus in temperature, described destination apparatus
The inflow temperature of middle copper pipe and leaving water temperature.
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| CN105135693B (en) * | 2015-10-16 | 2018-02-27 | 珠海格力电器股份有限公司 | The detection method and device of water heater and its sleeve scaling amount |
| CN106821258A (en) * | 2017-01-19 | 2017-06-13 | 广东威灵电机制造有限公司 | Water flow temperature detection means and method in dish-washing machine and the pump housing |
| CN108732304A (en) * | 2018-04-12 | 2018-11-02 | 西南石油大学 | A kind of non-metallic pipe pipe water delivery dynamic scale formation experiment circuit and method |
| CN110713229B (en) * | 2019-10-22 | 2020-12-15 | 珠海格力电器股份有限公司 | Water quality detection method, device and system for water purifier and water purifier |
| CN111664499A (en) * | 2020-05-08 | 2020-09-15 | 宁波奥克斯电气股份有限公司 | Method and device for detecting scale of floor heating heat pump system |
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