CN104374870A - Simulation experiment device for scaling of water heater - Google Patents
Simulation experiment device for scaling of water heater Download PDFInfo
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- CN104374870A CN104374870A CN201310352316.2A CN201310352316A CN104374870A CN 104374870 A CN104374870 A CN 104374870A CN 201310352316 A CN201310352316 A CN 201310352316A CN 104374870 A CN104374870 A CN 104374870A
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Abstract
The invention provides a simulation experiment device for scaling of a water heater. The simulation experiment device comprises a hard water tank and a constant-temperature water tank, wherein the hard water tank is connected with heat exchange tubes to be tested through hard water pipelines; and the heat exchange tubes pass through the inside of the constant-temperature water tank. With the adoption of the technical scheme, experimental hard water is injected into the heat exchange tubes to be tested, the constant-temperature water tank is used for simulating a usage environment, and the simulation experiment device for scaling of the water heater can be used for testing scaling conditions of the heat exchange tubes with different shapes under the conditions of different water qualities, different flow rates and different temperatures, so that a theoretical foundation is provided for the design of heat exchange tubes in water systems of commercial water heater units.
Description
Technical field
The present invention relates to hot water machine field, in particular to a kind of hot water machine fouling analogue experiment installation.
Background technology
Water system in Hot water units in use, along with temperature in heat exchanger tube during unit operation raises, the change of water velocity, various inorganic ions and organic substance concentrated etc., serious sediment can be produced adhere to and form the phenomenon such as incrustation scale, foundry loam in water system, thus cause the obstruction of heat-exchange system, make Hot water units to produce hot water.
In order to solve scale problems, need the analogue experiment installation designing hot water machine fouling, be used for test different quality, temperature, flow velocity and the parameter such as tubular to the impact of fouling, find out contacting between different water quality, temperature, flow velocity and tubular and pipe scaling, to draw in they and pipe corresponding relation between dirty layer.The device that this scale formation to hot water machine water system carries out simulation and experiment is there is no in prior art.
Summary of the invention
The present invention aims to provide a kind of hot water machine fouling analogue experiment installation, to study scale formation, solves the problem that hot water machine scale formation of the prior art lacks analogue experiment installation.
The invention provides a kind of hot water machine fouling analogue experiment installation, comprising: hard water case, be connected by hard water pipeline with heat exchanger tube to be tested; Constant temperature water tank, heat exchanger tube is inner by constant temperature water tank.
Further, also comprise: flowmeter, be connected with hard water pipeline.
Further, also comprise: temperature probe, be arranged in hard water pipeline.
Further, also comprise: heater strip, be arranged in constant temperature water tank.
Further, also comprise: cooling water tank, be connected by cooling duct with the coil pipe being arranged on hard water case inside.
Further, also comprise: window machine, for cooling duct, cooling duct forms sleeve pipe in window machine inside.
Further, the water circulating pump be connected with hard water pipeline is also comprised and the cooling-water pump that is connected with cooling duct.
Further, heat exchanger tube to be tested is multiple.
Further, also comprise: pH value meter and conductivity meter, be all arranged in hard water case.
Further, heat exchanger tube to be tested and hard water pipeline removably connect.
Apply technical scheme of the present invention, by injection experiments hard water in heat exchanger tube to be tested, and simulate environment for use with constant temperature water tank, hot water machine fouling analogue experiment installation of the present invention can test difform heat exchanger tube at different quality, fouling condition under different in flow rate and different temperatures, in the water system of commercial Hot water units, heat exchange tube design provides theoretical foundation.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of hot water machine fouling analogue experiment installation of the present invention;
Fig. 2 shows the circulation process figure of the hard water circulation system of the present invention;
Fig. 3 shows the cooling hard water process flow diagram of hard water cooling system of the present invention.
Description of reference numerals: cooling water tank, 10; Window machine, 20; Hard water case, 30; Cooling-water pump, 40; Coil pipe, 50; Water circulating pump, 60; Temperature probe, 70; Constant temperature water tank, 80; Heat-generating pipe, 81; Heat exchanger tube, 90; Flowmeter, 91.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Shown in Figure 1, the heat exchanger tube 90 that will test is placed in the constant temperature water tank 80 that heat-generating pipe 81 heats by hot water machine fouling analogue experiment installation of the present invention, and by water circulating pump 60, the hard water configured is flowed through temperature probe 70, flowmeter 91, heat exchanger tube 90 from hard water case 30, finally turn back in hard water case 30.In order to the temperature because of cycle heat exchange controlling hard water case 30 raises, in hard water case 30, devise built-in coil pipe 50, and on cooling line, sleeve pipe be set again, by window machine 20(window air conditioner) freezing cools further.
The heat exchanger tube 90 tested also can arrange multiple simultaneously, such as three, placed side by side at constant temperature water tank 80, is connected respectively with valve by three-way pipe with the pipeline leading to hard water case 30.Heat exchanger tube 90 and pipeline removably connect, and removably can be connected with the pipeline leading to hard water case 30 by screw thread or similar means.
Hot water machine fouling analogue experiment installation of the present invention mainly comprises: constant-temperature heating system (being made up of heat-generating pipe 81 and constant temperature water tank 80 etc.), the hard water circulation system are (by water circulating pump 60, hard water case 30, heat exchanger tube 90 to be measured, flowmeter 91, temperature probe 70, rapid-acting coupling, the compositions such as pH value meter and conductivity meter), hard water cooling system is (by cooling-water pump 40, cooling water tank 10, coil pipe 50 built-in in hard water case 30, the compositions such as window machine 20 and sleeve pipe), water fouling experimental data processing system (computing machine, temperature integration module, program software etc.).
Shown in Figure 2, the circulation process of the hard water circulation system of the present invention is: the experiment hard water configured in laboratory injects hard water case 30, hard water is driven by water circulating pump, by flowmeter 91 and temperature probe 70, enter heat exchanger tube 90 to be measured, hard water is heated in constant temperature water tank, returns hard water case 30 from heat exchanger tube 90 after flowing through.
Shown in Figure 3, the cooling hard water flow process of hard water cooling system of the present invention is: outside tap water enters cooling water tank 10 as chilled water, the built-in coil pipe 50 of chilled water in cooling water tank 10 in hard water case 30, chilled water heat absorption in built-in coil pipe 50, for the hard water cooling in hard water case 30, the sleeve pipe of chilled water in window machine 20 subsequently, being freezed by window machine 20 is cooling water temperature, cooling-water pump drives chilled water to flow back to cooling water tank, completes circulation.
Hot water machine fouling dynamic simulation experimental device of the present invention is find out the relation between water quality, temperature, flow velocity and tubular and fouling, adopts following manner to carry out the control of experimental simulation:
(1) Water-quality control, show water quality parameter by the pH value meter installed in hard water case and conductivity meter, namely measure its hardness, basicity, the parameters such as solid solubility are converted into conductivity and corresponding pH value.
(2) temperature controls, and in constant temperature water tank, water temperature is realized by stirring pump; The inside/outside temperature of heat exchanger tube is gathered by thermopair; The cooling of hard water to be taken away by heat by the built-in coil pipe of hard water case to realize primary temperature reducing, and the sleeve pipe (being equivalent to " evaporator " in window machine) brought into by waste heat by cooling pump in a cooling system in window machine, is lowered the temperature further by the refrigeration system of window machine.
(3) flow control, measures the flow in heat exchanger tube to be measured by flowmeter, is converted into the flow velocity of hard water in pipe.
(4) tubular control, changes different heat exchanger tubes to be measured by special rapid-acting coupling, disposablely can measure three difform heat exchanger tubes; Different tube diameters can also be adapted to by the caliber changing rapid-acting coupling.
In sum, by injection experiments hard water in pipe under test, and simulate environment for use with constant temperature water tank, hot water machine fouling analogue experiment installation of the present invention can test difform heat exchanger tube in-tube fouling situation under different parameters, also can test the fouling at different temperatures of coil pipe and sleeve pipe and corrosion condition simultaneously.
From above description, can find out, present invention achieves following technique effect: adopt hot water machine fouling dynamic simulation experimental device different quality can be tested, scaling rule under different in flow rate and different temperatures, in the water system of commercial Hot water units, heat exchange tube design provides theoretical foundation.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a hot water machine fouling analogue experiment installation, is characterized in that, comprising:
Hard water case (30), is connected by hard water pipeline with heat exchanger tube (90) to be tested;
Constant temperature water tank (80), described heat exchanger tube (90) is inner by described constant temperature water tank (80).
2. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, also comprise: flowmeter (91), be connected with described hard water pipeline.
3. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, also comprise: temperature probe (70), be arranged in described hard water pipeline.
4. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, also comprise: heater strip (81), be arranged in described constant temperature water tank (80).
5. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, also comprise: cooling water tank (10), and the coil pipe (50) inner with being arranged on described hard water case (30) is connected by cooling duct.
6. hot water machine fouling analogue experiment installation according to claim 5, is characterized in that, also comprise: window machine (20), and for cooling described cooling duct, described cooling duct forms sleeve pipe in described window machine (20) inside.
7. hot water machine fouling analogue experiment installation according to claim 6, is characterized in that, also comprises the water circulating pump (60) be connected with described hard water pipeline and the cooling-water pump (40) be connected with described cooling duct.
8. hot water machine fouling analogue experiment installation as claimed in any of claims 1 to 7, is characterized in that, described heat exchanger tube to be tested (90) is for multiple.
9. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, also comprise: pH value meter and conductivity meter, is all arranged in described hard water case (30).
10. hot water machine fouling analogue experiment installation according to claim 1, is characterized in that, described heat exchanger tube to be tested (90) and described hard water pipeline removably connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310352316.2A CN104374870A (en) | 2013-08-13 | 2013-08-13 | Simulation experiment device for scaling of water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310352316.2A CN104374870A (en) | 2013-08-13 | 2013-08-13 | Simulation experiment device for scaling of water heater |
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| CN104374870A true CN104374870A (en) | 2015-02-25 |
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| CN201310352316.2A Pending CN104374870A (en) | 2013-08-13 | 2013-08-13 | Simulation experiment device for scaling of water heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109142128A (en) * | 2018-07-26 | 2019-01-04 | 中国石油天然气股份有限公司 | A kind of Ternary composite drive well underground extraction equipment dynamic scale formation analogue experiment method and device |
| TWI667205B (en) * | 2018-05-23 | 2019-08-01 | 新湧科技股份有限公司 | Heat exchange system with antiscaling effect and antiscaling method |
| CN112034131A (en) * | 2020-09-15 | 2020-12-04 | 唐山格瑞德设备清洗有限公司 | Device and method for observing hard water heating scaling on inner surface of steel pipe |
| CN112284449A (en) * | 2020-10-19 | 2021-01-29 | 东北电力大学 | Experimental device for be used for testing electromagnetism and press down dirt equipment performance |
| CN114279734A (en) * | 2021-12-23 | 2022-04-05 | 苏州热工研究院有限公司 | Pipe scale generation simulation device and pipe scale generation simulation method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI667205B (en) * | 2018-05-23 | 2019-08-01 | 新湧科技股份有限公司 | Heat exchange system with antiscaling effect and antiscaling method |
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| US11774196B2 (en) | 2018-05-23 | 2023-10-03 | Chu-Fu Chen | Heat exchange system having desired anti-scaling performance and an anti-scaling method thereof |
| CN109142128A (en) * | 2018-07-26 | 2019-01-04 | 中国石油天然气股份有限公司 | A kind of Ternary composite drive well underground extraction equipment dynamic scale formation analogue experiment method and device |
| CN109142128B (en) * | 2018-07-26 | 2021-04-27 | 中国石油天然气股份有限公司 | Dynamic scaling simulation experiment method and device for underground production equipment of ASP flooding oil well |
| CN112034131A (en) * | 2020-09-15 | 2020-12-04 | 唐山格瑞德设备清洗有限公司 | Device and method for observing hard water heating scaling on inner surface of steel pipe |
| CN112284449A (en) * | 2020-10-19 | 2021-01-29 | 东北电力大学 | Experimental device for be used for testing electromagnetism and press down dirt equipment performance |
| CN114279734A (en) * | 2021-12-23 | 2022-04-05 | 苏州热工研究院有限公司 | Pipe scale generation simulation device and pipe scale generation simulation method |
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Application publication date: 20150225 |
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