CN214585035U - Waste water pipeline heat loss simulation test device - Google Patents
Waste water pipeline heat loss simulation test device Download PDFInfo
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- CN214585035U CN214585035U CN202120628496.2U CN202120628496U CN214585035U CN 214585035 U CN214585035 U CN 214585035U CN 202120628496 U CN202120628496 U CN 202120628496U CN 214585035 U CN214585035 U CN 214585035U
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Abstract
The utility model discloses a waste water pipeline heat loss simulation testing arrangement, by waste water collection box, water pump I, the flowmeter, thermometer I, thermometer II, surge tank, water pump II is constituteed, waste water collection box and I tube coupling of water pump adopt "U" shape pipeline down, one side of pipeline links to each other with the water pump, guarantee that waste hot water is full of the pipeline, the measurement obtains the flow value, the opposite side nature whereabouts of pipeline, waste hot water is not full of the pipeline, measure the difference in temperature, obtain the heat loss value of whole pipeline from this. The whole device has simple structure, low cost and convenient operation.
Description
Technical Field
The utility model belongs to the technical field of building bathing equipment research, concretely relates to bathing waste pipe heat loss simulation test device.
Background
A water source heat pump hot water system for gradient utilization of waste heat of bath wastewater utilizes a water source heat pump technology to extract heat energy in discharged bath wastewater for cyclic utilization, and the heat energy is used as a heat source to heat tap water to about 45 ℃ for daily bath of a user. The system is applied in large scale in bathing places, bathrooms of colleges and universities and the like all over the country, and practice proves that the system has higher economic benefit and social benefit. The performance of the bathing wastewater waste heat cascade heat pump hot water system is mainly evaluated to be a COP value, and the larger the COP value is, the lower the energy cost of the system for preparing hot water is. The temperature of the bath wastewater as a heat source is one of important factors for determining the COP value of the system. Therefore, the pipeline heat insulation of the bath wastewater conveyed to the wastewater collection tank is particularly important, and the pipeline heat loss value not only can comprehensively reflect key parameters of the overall level of the thermal design, the heat insulation material, the construction process and the like of the waste hot water pipeline, but also is a main basis for evaluating the heat insulation and energy saving conditions of the pipeline to be modified or the newly-built pipeline.
The existing pipeline heat loss measuring method generally measures the temperature at two ends of a pipeline, calculates the temperature difference, and then calculates the heat loss value by matching with the flow, and the flow measurement needs to be accurately measured when the pipeline is filled with water. The waste water collecting pipe in the bathing waste water waste heat cascade heat pump hot water system is difficult to fill the whole conveying pipeline with waste hot water due to the limitation of the number of people in bathing, bathing time and other factors, and the conventional device is adopted for testing, so that the accuracy of the flow cannot be ensured, and the obtained pipeline heat loss value is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste water pipeline heat loss simulation testing arrangement, adopt "U" shape pipeline of falling, one side of pipeline links to each other with the water pump, guarantee that waste hot water is full of the pipeline, the measurement obtains the flow value, the opposite side nature whereabouts of pipeline, waste hot water is not full of the pipeline, measure the difference in temperature, obtain the heat loss value of whole pipeline from this, and through constant temperature heating and the flow regulation device to the waste water collecting box, make I flow of water pump for the flow target value that needs the simulation, and water pump II equals with the flow of water pump I completely, realize measuring device's long-time continuous operation. The whole device has simple structure, low cost and convenient operation.
The utility model provides a technical scheme as follows:
the utility model discloses a waste water pipeline heat loss simulation testing arrangement is by waste water collecting box, water pump I, the flowmeter, thermometer I, thermometer II, the surge tank, water pump II is constituteed, waste water collecting box and I tube coupling of water pump, water pump I adopts down "U" venturi tube way with surge tank to be connected, the flowmeter is installed on the way of falling "U" venturi tube of I one side of water pump, thermometer I, thermometer II installs respectively in the way peak and the minimum of falling "U" venturi tube of surge tank one side, water pump II respectively with waste water collecting box, surge tank tube coupling.
Preferably, the inverted U-shaped pipeline consists of a pipeline I, a pipeline II and a pipeline III, wherein the pipeline I and the pipeline III are vertically arranged, and the pipeline II is horizontally arranged and is respectively connected with the pipeline I and the pipeline III; the pipeline I is connected with the water pump I, and the pipeline III is connected with the buffer water tank; pipeline I, II pipe diameters of pipeline are the same, all are less than pipeline III's pipe diameter.
Preferably, the waste water collecting tank is a water tank which is heated by adopting electric heating or heat pump circulation.
Preferably, the flow of the water pump I is enabled to be a target flow value to be simulated through the flow regulating device, and the flow of the water pump II is completely equal to that of the water pump I.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model provides a device not only can measure the heat loss when bathing waste water is full to manage, can also measure the heat loss when liquid is not full to manage. The structure is simple, the heat loss measurement of the pipeline is more convenient, the continuous repeated operation can be carried out, and the device is also suitable for measuring the heat loss of other hot water pipelines.
(2) The utility model discloses a "U" shape pipeline falls naturally to the opposite side of pipeline, and waste hot water is not full of the pipeline, measures the difference in temperature, and what more be close has simulated the condition that civil construction waste hot water drain pipe actual work such as district, hotel is true, has improved pipeline heat loss measuring real-time and accuracy for measuring speed has improved work efficiency, and the operation is simple swift more.
(3) Through the constant temperature heating to waste water collecting box and through flow control device for I flow of water pump is the flow target value that needs the simulation, and II flow of water pump equals completely with I flow of water pump, realizes measuring device's long-time continuous operation, and the data volume that obtains is more, and data are more reliable.
Drawings
FIG. 1 is a schematic view of the process of the present invention
Wherein: 1. waste water collection box 2, water pump I3, flowmeter 4, thermodetector I5, thermodetector II 6, buffer tank 7, water pump II 8, pipeline I9, pipeline II 10, pipeline III.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
The utility model discloses a heat loss simulation test device for a bathing wastewater pipeline, which consists of a wastewater collection box 1, a water pump I2, a flowmeter 3, a temperature detector I4, a temperature detector II 5, a buffer water tank 6 and a water pump II 7, wherein the wastewater collection box 1 and the water pump I2 are connected through pipelines, the water pump I2 and the buffer water tank 6 are connected through an inverted U-shaped pipeline, the inverted U-shaped pipeline consists of a pipeline I8, a pipeline II 9 and a pipeline III 10, and the pipeline I8 and the pipeline III 10 are vertically arranged; the pipeline II 9 is horizontally arranged and is respectively connected with the pipeline I8 and the pipeline III 10; the pipeline I8 is connected with the water pump I2, and the pipeline III 10 is connected with the buffer water tank 6; pipeline I8, pipeline II 9 pipe diameter are the same, all are less than the pipe diameter of pipeline III 10. Flowmeter 3 installs on pipeline I8, and thermoscope I4, thermoscope II 5 install peak and minimum on pipeline III 10 respectively, and water pump II 7 is connected with wastewater collection box 1, 6 tube connections of buffer tank respectively.
According to the practical use condition, the installation position of the water pump I2 is lower than the top point of the pipeline I8, and the installation position of the water pump II 7 is lower than the lowest point of the pipeline II 9, so that waste hot water can be pumped in or out conveniently. In order to facilitate the continuous measurement of heat loss, the waste water collecting box can be insulated by adopting heating modes such as electric heating or an air source heat pump and the like.
During the in-service use, through the constant temperature heating to wastewater collection box 1 to and through flow control device, make I2 flow of water pump be the flow target value that needs the simulation, and II 7 flow of water pump equals with I2's of water pump completely, realize measuring device's long-time continuous operation, the data volume that obtains is more, and data are more reliable.
When the automatic heat pump is in practical use, after a power supply is started, bathing waste hot water is pumped into the pipeline I8 from the waste water collecting tank 1 by the water pump I2, at the moment, the pipeline I8 is in a state of being full of waste hot water, the flow meter 3 measures the flow, the waste hot water passes through the pipeline II 9 and freely falls into the buffer water tank 6 in the pipeline III 10, the pipeline III 10 is in a state of being full of water or not being full of water, the temperature detectors I4 and II 5 respectively measure the temperature to obtain the temperature difference, the water pump II 7 pumps the waste hot water back into the waste water collecting tank 1 again, the next round of heat loss measurement can be carried out, and the heat loss value of the pipeline can be obtained according to the temperature difference and the flow value.
The utility model provides a pipeline I8 and pipeline III 10 are the intercommunication, and in the unit interval, it is the same that the waste heat water capacity is through pipeline I8 and pipeline III 10, consequently the utility model provides a method of survey pipeline heat waste is feasible.
Claims (4)
1. The utility model provides a waste water pipeline heat loss simulation test device which characterized in that: by waste water collecting box, water pump I, the flowmeter, the thermodetector I, thermodetector II, surge tank, water pump II is constituteed, waste water collecting box and I tube coupling of water pump, water pump I adopts "U" venturi tube way connection down with surge tank, the flowmeter is installed on the "U" venturi tube way of falling of water pump I one side, thermodetector I, the thermodetector II is installed respectively in the "U" venturi tube way peak and the minimum of surging tank one side, water pump II respectively with waste water collecting box, surge tank tube coupling.
2. A waste water pipeline heat loss simulation test apparatus as claimed in claim 1, wherein: the inverted U-shaped pipeline consists of a pipeline I, a pipeline II and a pipeline III, wherein the pipeline I and the pipeline III are vertically arranged, and the pipeline II is horizontally arranged and is respectively connected with the pipeline I and the pipeline III; the pipeline I is connected with the water pump I, and the pipeline III is connected with the buffer water tank; pipeline I, II pipe diameters of pipeline are the same, all are less than pipeline III's pipe diameter.
3. A waste water pipeline heat loss simulation test apparatus as claimed in claim 1, wherein: the waste water collecting box is a water tank which is heated by adopting electric heating or heat pump circulation.
4. A waste water pipeline heat loss simulation test apparatus as claimed in claim 1, wherein: through flow control device for I flow of water pump is the flow target value that needs the simulation, and the flow of water pump II is equal completely with I flow of water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628496.2U CN214585035U (en) | 2021-03-29 | 2021-03-29 | Waste water pipeline heat loss simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120628496.2U CN214585035U (en) | 2021-03-29 | 2021-03-29 | Waste water pipeline heat loss simulation test device |
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| Publication Number | Publication Date |
|---|---|
| CN214585035U true CN214585035U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202120628496.2U Active CN214585035U (en) | 2021-03-29 | 2021-03-29 | Waste water pipeline heat loss simulation test device |
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| CN (1) | CN214585035U (en) |
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2021
- 2021-03-29 CN CN202120628496.2U patent/CN214585035U/en active Active
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