Experimental system for scale detection

By designing an experimental system for scale detection, the formation of scale in heating system pipes was simulated, solving the problem of difficulty in obtaining scale data in heating systems and realizing effective evaluation of heat exchange performance.

CN224189265UActive Publication Date: 2026-05-01BEIJING DISTRICT HEATING GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING DISTRICT HEATING GRP CO LTD
Filing Date
2025-01-23
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing technologies, it is difficult to obtain scale data in heating systems, which makes it difficult to calculate the impact on heat exchange performance.

Method used

Design an experimental system including an air source heat pump, a plate heat exchanger, a radiator, a water circuit, sensors, and a control cabinet. Simulate scaling in the water of the pipeline, obtain scaling data, and form an experimental control group.

Benefits of technology

This enabled the acquisition of a large amount of scaling data, facilitating data measurement and analysis, and helping to understand the impact of scale on heat exchange performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an experimental system for scale detection. The experimental system comprises an air source heat pump, at least two plate heat exchangers, radiators, a control cabinet, a network side waterway and two network side waterways, wherein the number of the radiators is the same as that of the plate heat exchangers; the first network side water way comprises a first network side branch, and the first network side branch is connected with the air source heat pump and correspondingly connected with the first network side of the plate heat exchanger. The two-network-side water path comprises two-network-side branches, the two-network-side branches are correspondingly connected with the two network sides of the plate heat exchanger, and the two-network-side branches are connected with a radiator; a water quality sampling port is formed in a water supply waterway of the second network side branch; the control cabinet receives sensor signals of the sensors on the first network side waterway and the second network side waterway. The water body scaling in the pipeline can be simulated, a large amount of scaling data can be obtained through the sensor and flow control, an experiment control group is formed, and data measurement is facilitated.
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Description

Technical Field

[0001] This utility model relates to an experimental system for detecting scale. Background Technology

[0002] A heating system is a technology that uses artificial methods to supply heat to a room to maintain a certain temperature, thereby creating suitable living or working conditions.

[0003] Scale can form in heating pipes, affecting the heating system. Calcium and magnesium ions in the water are key factors contributing to scale formation. When water hardness is high, meaning there is a higher content of calcium and magnesium ions, these ions will gradually deposit on the inner walls of the pipes. Many factors influence scale formation in water pipes, such as water flow, water pressure, and temperature.

[0004] The impact of scale on heat exchange performance is currently difficult to calculate, mainly because data is hard to obtain. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology in obtaining pipeline scale data, and to provide an experimental system for scale detection that can simulate water scale formation in pipelines, obtain a large amount of scale data through sensors and flow control, and form an experimental control group to facilitate data measurement.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution:

[0007] An experimental system for detecting scale, characterized in that the experimental system includes an air source heat pump, at least two plate heat exchangers, radiators of the same number as the plate heat exchangers, a control cabinet, a network-side water circuit, and a second network-side water circuit.

[0008] The first-net side water circuit includes the same number of first-net side branches as the plate heat exchangers. All first-net side branches are connected to the air source heat pump, and all first-net side branches are connected to the first-net side of the plate heat exchangers.

[0009] The secondary network side water circuit includes the same number of secondary network side branches as the plate heat exchangers. Each secondary network side branch is connected to the secondary network side of the plate heat exchanger, and each secondary network side branch is connected to a radiator.

[0010] Each branch of the second network is equipped with a water quality sampling port on its water supply line, and a ball valve is installed at the water quality sampling port.

[0011] The control cabinet receives sensor signals from sensors on the primary water supply line and the secondary water supply line, and transmits control signals to control valves on the primary water supply line and the secondary water supply line.

[0012] Preferably, the experimental system includes a tap water inlet, which is connected to two tap water pipes, and the tap water pipes are respectively connected to the return water circuits of the second network side branch.

[0013] Preferably, the experimental system includes the same number of fan coil units as the plate heat exchangers, with the input end of each fan coil unit connected to the water supply circuit of the secondary network branch and the output end connected to the water return circuit of the secondary network branch.

[0014] Preferably, the experimental system includes the same number of water tanks as the plate heat exchangers, with each water tank located in the water supply circuit of the secondary network side branch.

[0015] Preferably, the experimental system includes a water pump and a circulating pump. The water pump is located on the outlet water path of the first network side water path, and the number of circulating pumps is the same as the number of plate heat exchangers. Each circulating pump is located on the return water path of the second network side branch.

[0016] Preferably, the experimental system includes a number of descaling devices equal to the number of plate heat exchangers, with each descaling device located in the return water path of the secondary network branch.

[0017] Preferably, the sensor includes one or more of a pressure gauge, thermometer, water meter, heat meter, vortex flow meter, and float flow meter, and the control valve is a solenoid valve.

[0018] Preferably, the sensors include pressure gauges, thermometers, water meters, heat meters, vortex flow meters, and float flow meters.

[0019] The inlet water line of the first network side water line is equipped with a ball valve, a temperature transmitter, a pressure gauge, a filter, and a pressure gauge in sequence, and the outlet water line of the first network side water line is equipped with a pressure gauge, a ball valve, and a water pump in sequence.

[0020] The inlet water line of the first-net side branch is equipped with a ball valve, a pressure transmitter and a thermometer in sequence, and the outlet water line of the first-net side branch is equipped with a thermometer, a pressure transmitter, a temperature transmitter, an electric regulating valve, a vortex flow meter and a float flow meter in sequence.

[0021] The water supply line of the second-network branch is sequentially equipped with a thermometer, pressure gauge, pressure transmitter, temperature transmitter, finned device, ball valve, float flowmeter, vortex flowmeter, water inlet, reserved port, heat meter, temperature transmitter, and shut-off valve. The return water line of the second-network branch is sequentially equipped with a shut-off valve, finned device, temperature transmitter, pressure gauge, reserved port, ball valve, water tank, ball valve, tap water interface, pressure gauge, safety valve, pressure transmitter, finned device, circulating pump, ball valve, descaling device, ball valve, temperature transmitter, pressure transmitter, pressure gauge, and thermometer.

[0022] Preferably, the water supply circuit of the second network side branch has a water supply interface for the fan coil unit at the rear end of the shut-off valve, and a return water interface for the fan coil unit at the front end of the shut-off valve of the return water circuit of the second network side branch. A shut-off valve is provided between the water supply interface and the fan coil unit, and a shut-off valve and an electric regulating valve are provided between the return water interface and the fan coil unit.

[0023] Preferably, a water meter is installed between the tap water inlet and the tap water interface.

[0024] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0025] The positive and progressive effects of this utility model are as follows:

[0026] This invention can simulate scaling in water in pipelines, acquire a large amount of scaling data through sensors and flow control, and form an experimental control group to facilitate data measurement. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the experimental system of Embodiment 1 of this utility model.

[0028] Figure 2 This is another structural schematic diagram of the experimental system of Embodiment 1 of this utility model.

[0029] Figure 3 This is another structural schematic diagram of the experimental system of Embodiment 1 of this utility model. Detailed Implementation

[0030] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0031] Example

[0032] In this embodiment, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] See Figures 1 to 3This embodiment provides an experimental system for scale detection. This system can acquire scale data by adjusting parameters such as flow rate and temperature to obtain a large amount of data. Furthermore, it can determine the relationship between heat exchanger performance and scale formation, and through multiple comparisons, it can obtain information influencing scale formation.

[0034] The experimental system includes an air source heat pump 31, two plate heat exchangers 32, radiators 33 in the same number as the plate heat exchangers 32, a control cabinet 34, a network-side water channel 11, and a second network-side water channel 21.

[0035] The first-net side water circuit 11 includes the same number of first-net side branches 111 as the plate heat exchangers 32. Each first-net side branch is connected to the air source heat pump and is correspondingly connected to the first-net side of the plate heat exchanger.

[0036] The secondary network side water passage 21 includes the same number of secondary network side branches 211 as the plate heat exchangers 32. Each secondary network side branch is connected to the secondary network side of the plate heat exchanger, and each secondary network side branch is connected to a radiator 33.

[0037] Each branch of the second network is equipped with a water quality sampling port on its water supply line, and a ball valve is installed at the water quality sampling port.

[0038] The control cabinet receives sensor signals from sensors on the primary water supply line and the secondary water supply line, and transmits control signals to control valves on the primary water supply line and the secondary water supply line.

[0039] The experimental system includes a tap water inlet 35, which is connected to two tap water pipes, and the tap water pipes are respectively connected to the return water pipes of the second network side branch.

[0040] The experimental system includes the same number of fan coil units 36 as the plate heat exchangers. The input end of each fan coil unit is connected to the water supply line of the secondary network side branch, and the output end is connected to the water return line of the secondary network side branch.

[0041] The experimental system includes the same number of water tanks 37 as the plate heat exchangers, with each water tank 2111 located in the water supply line of the secondary network side branch 211.

[0042] The experimental system includes a water pump and a circulating pump. The water pump is located on the outlet water path of the first network side water path. The number of circulating pumps is the same as the number of plate heat exchangers. Each circulating pump 2112 is located on the return water path of the second network side branch 211.

[0043] The experimental system includes a number of descaling devices 2113 equal to the number of plate heat exchangers, with each descaling device located in the return water path of the secondary network side branch.

[0044] The sensor includes one or more of the following: pressure gauge, thermometer, water meter, heat meter, vortex flow meter, and float flow meter; the control valve is a solenoid valve.

[0045] The sensors include pressure gauges, thermometers, water meters, heat meters, vortex flow meters, and float flow meters.

[0046] The inlet water line of the first network side water line 11 is provided with a ball valve 123, a temperature transmitter 112, a pressure gauge 113, a filter 114, and a pressure gauge 113 in sequence. The outlet water line of the first network side water line is provided with a pressure gauge 113, a ball valve 123, and a water pump 117 in sequence.

[0047] The inlet water line of the first-net side branch is provided with a ball valve, a pressure transmitter 118 and a thermometer 119 in sequence, and the outlet water line of the first-net side branch is provided with a thermometer 119, a pressure transmitter 118, a temperature transmitter 112, an electric regulating valve 120, a vortex flow meter 121 and a float flow meter 122 in sequence.

[0048] In this embodiment, "in sequence" refers to being set up sequentially according to the direction of water flow. In the accompanying drawings, the water flow direction of the water supply circuit is from right to left, and the water flow direction of the return circuit is from left to right.

[0049] The water supply line of the second-network side branch 211 is sequentially equipped with a thermometer 119, a pressure gauge 113, a pressure transmitter, a temperature transmitter, a finned device 2114, a ball valve, a float flowmeter, a vortex flowmeter, a water inlet 2115, a reserved port 2116, a heat meter 2117, a temperature transmitter, and a shut-off valve 2118. The return water line of the second-network side branch is sequentially equipped with a shut-off valve, a finned device, a temperature transmitter, a pressure gauge, a reserved port, a ball valve, a water tank, a ball valve, a tap water interface, a pressure gauge, a safety valve, a pressure transmitter, a finned device, a circulating pump, a ball valve, a descaling device, a ball valve, a temperature transmitter, a pressure transmitter, a pressure gauge, and a thermometer.

[0050] The water supply circuit of the second network side branch has a water supply interface for the fan coil unit at the rear end of the shut-off valve, and a return water interface for the fan coil unit at the front end of the shut-off valve of the return water circuit of the second network side branch. A shut-off valve is provided between the water supply interface and the fan coil unit, and a shut-off valve and an electric regulating valve are provided between the return water interface and the fan coil unit.

[0051] A water meter 2119 is installed between the tap water inlet and the tap water interface, and a solenoid valve 2120 is installed on one side of the water meter.

[0052] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. An experimental system for detecting scale, characterized in that, The experimental system includes an air source heat pump, at least two plate heat exchangers, radiators in the same number as the plate heat exchangers, a control cabinet, a network-side water circuit, and a second network-side water circuit. The first-net side water circuit includes the same number of first-net side branches as the plate heat exchangers. All first-net side branches are connected to the air source heat pump, and all first-net side branches are connected to the first-net side of the plate heat exchangers. The secondary network side water circuit includes the same number of secondary network side branches as the plate heat exchangers. Each secondary network side branch is connected to the secondary network side of the plate heat exchanger, and each secondary network side branch is connected to a radiator. Each branch of the second network is equipped with a water quality sampling port on its water supply line, and a ball valve is installed at the water quality sampling port. The control cabinet receives sensor signals from sensors on the primary water supply line and the secondary water supply line, and transmits control signals to control valves on the primary water supply line and the secondary water supply line.

2. The experimental system for scale detection as described in claim 1, characterized in that, The experimental system includes a tap water inlet, which is connected to two tap water pipes, and the tap water pipes are respectively connected to the return water pipes of the second network side branch.

3. The experimental system for scale detection as described in claim 1, characterized in that, The experimental system includes the same number of fan coil units as the plate heat exchangers. The input end of each fan coil unit is connected to the water supply circuit of the secondary network branch, and the output end is connected to the water return circuit of the secondary network branch.

4. The experimental system for scale detection as described in claim 1, characterized in that, The experimental system includes the same number of water tanks as the plate heat exchangers, with each water tank located in the water supply circuit of the secondary network side branch.

5. The experimental system for scale detection as described in claim 1, characterized in that, The experimental system includes a water pump and a circulating pump. The water pump is located on the outlet water line of the first network side water line. The number of circulating pumps is the same as the number of plate heat exchangers. Each circulating pump is located on the return water line of the second network side branch.

6. The experimental system for scale detection as described in claim 1, characterized in that, The experimental system includes a number of descaling devices equal to the number of plate heat exchangers, with each descaling device located in the return water path of the secondary network side branch.

7. The experimental system for scale detection as described in claim 1, characterized in that, The sensor includes one or more of the following: pressure gauge, thermometer, water meter, heat meter, vortex flow meter, and float flow meter; the control valve is a solenoid valve.

8. The experimental system for scale detection as described in claim 1, characterized in that, The sensors include pressure gauges, thermometers, water meters, heat meters, vortex flow meters, and float flow meters. The inlet water line of the first network side water line is equipped with a ball valve, a temperature transmitter, a pressure gauge, a filter, and a pressure gauge in sequence, and the outlet water line of the first network side water line is equipped with a pressure gauge, a ball valve, and a water pump in sequence. The inlet water line of the first-net side branch is equipped with a ball valve, a pressure transmitter and a thermometer in sequence, and the outlet water line of the first-net side branch is equipped with a thermometer, a pressure transmitter, a temperature transmitter, an electric regulating valve, a vortex flow meter and a float flow meter in sequence. The water supply line of the second-network branch is sequentially equipped with a thermometer, pressure gauge, pressure transmitter, temperature transmitter, finned device, ball valve, float flowmeter, vortex flowmeter, water inlet, reserved port, heat meter, temperature transmitter, and shut-off valve. The return water line of the second-network branch is sequentially equipped with a shut-off valve, finned device, temperature transmitter, pressure gauge, reserved port, ball valve, water tank, ball valve, tap water interface, pressure gauge, safety valve, pressure transmitter, finned device, circulating pump, ball valve, descaling device, ball valve, temperature transmitter, pressure transmitter, pressure gauge, and thermometer.

9. The experimental system for scale detection as described in claim 8, characterized in that, The water supply circuit of the second network side branch has a water supply interface for the fan coil unit at the rear end of the shut-off valve, and a return water interface for the fan coil unit at the front end of the shut-off valve of the return water circuit of the second network side branch. A shut-off valve is provided between the water supply interface and the fan coil unit, and a shut-off valve and an electric regulating valve are provided between the return water interface and the fan coil unit.

10. The experimental system for scale detection as described in claim 8, characterized in that, Water meters are installed between the tap water inlet and the tap water interface.