CN210740713U - Series-parallel connection direct heat mode heat recovery device - Google Patents
Series-parallel connection direct heat mode heat recovery device Download PDFInfo
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- CN210740713U CN210740713U CN201921770009.5U CN201921770009U CN210740713U CN 210740713 U CN210740713 U CN 210740713U CN 201921770009 U CN201921770009 U CN 201921770009U CN 210740713 U CN210740713 U CN 210740713U
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Abstract
The utility model discloses a series-parallel connection direct heat mode heat recovery device, including a plurality of plate heat exchangers, every plate heat exchanger all is connected with water inlet branch pipe and water outlet branch pipe, and water inlet branch pipe is responsible for through intaking and connects, and water outlet branch pipe is responsible for through going out the water and connects, all installs electric butterfly valve on water inlet branch pipe and the water outlet branch pipe, and still installs the governing valve on the water inlet branch pipe. The design can achieve the effect of continuously and stably discharging hot water, thereby improving the heat recovery efficiency and the use stability of the equipment; the design is a series-parallel mode, a series mode is adopted in common use, and a parallel mode is adopted in maintenance, so that the operation of equipment is not influenced, and the use efficiency of the equipment can be adjusted to the maximum extent; the design can realize automatic and manual mode switching; remote, local mode operation.
Description
Technical Field
The utility model relates to a heat recovery technical field especially relates to a series-parallel connection directly heat recovery unit of mode.
Background
The waste heat is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy. The waste heat recovery and utilization is an important way for improving the economy and saving the fuel; in the prior art, there are many ways for recovering heat, wherein the method for recovering heat by utilizing flowing water is common, but the current waterway pipeline has a single flow direction, cannot be switched according to actual conditions, and has narrow applicability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a series-parallel connection direct heat mode heat recovery device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a series-parallel connection direct heating mode heat recovery unit, includes a plurality of plate heat exchangers, every plate heat exchanger all is connected with water inlet branch pipe and water outlet branch pipe, and water inlet branch pipe is responsible for through intaking and is connected, and water outlet branch pipe is responsible for through water outlet and connects, all installs electric butterfly valve on water inlet branch pipe and the water outlet branch pipe, and still installs the governing valve on the water inlet branch pipe, and water inlet branch pipe and the water outlet branch pipe on two adjacent plate heat exchangers pass through the connecting pipe and connect, install the gate valve on the connecting pipe, the connecting pipe is located between electric butterfly valve and the governing valve with the connected node of the branch pipe of intaking.
Preferably, the water outlet main pipe is communicated with a heat preservation water tank, and a flowmeter is further installed on the water outlet main pipe.
Preferably, the water inlet main pipe is communicated with a water softener, and the water softener is connected with an air source heat pump.
Preferably, the end of the main water inlet pipe is connected with a constant pressure water pump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the design can achieve the effect of continuously and stably discharging hot water, thereby improving the heat recovery efficiency and the use stability of the equipment;
2. the design is a series-parallel mode, a series mode is adopted in common use, and a parallel mode is adopted in maintenance, so that the operation of equipment is not influenced, and the use efficiency of the equipment can be adjusted to the maximum extent;
3. the design can realize automatic and manual mode switching; remote, local mode operation.
Drawings
Fig. 1 is a schematic view of the present invention in a series state;
fig. 2 is a schematic diagram of the present invention in a parallel state.
In the figure: the system comprises a flowmeter 1, a heat preservation water tank 2, a plate heat exchanger 3, an air source heat pump 4 and a water softener 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a series-parallel connection direct heat mode heat recovery device, including a plurality of plate heat exchangers 3, every plate heat exchanger 3 all is connected with water inlet branch pipe and water outlet branch pipe, water inlet branch pipe is responsible for through intaking and is connected, water outlet branch pipe is responsible for through water outlet and connects, all install electric butterfly valve on water inlet branch pipe and the water outlet branch pipe, and still install the governing valve on the water inlet branch pipe, water inlet branch pipe and water outlet branch pipe on two adjacent plate heat exchangers 3 pass through the connecting pipe and connect, install the gate valve on the connecting pipe, the connecting pipe is located between electric butterfly valve and the governing valve with the connected node of water inlet branch pipe.
The water outlet main pipe is communicated with a heat preservation water tank 2, and a flowmeter 1 is further installed on the water outlet main pipe and used for storing hot water.
The water inlet main pipe is communicated with a water softener 5 to reduce scale, and the water softener 5 is connected with an air source heat pump 4.
The end part of the water inlet main pipe is connected with a constant pressure water pump for conveying water source, and the plate heat exchanger 3 is a brazing type plate heat exchanger.
In the present case, according to the principle that the energy absorption of the exchanger and the mutual exchange of the released energy, the heat energy on one side of the exchanger and the water on the other side are absorbed by a medium, the temperature is controlled within the range required by the equipment through automatic adjustment, the normal operation of the equipment is ensured, the waste heat generated during the operation of the equipment can be fully utilized, and the economic benefit of the equipment is improved.
Because the design adopts the series part, the water supply pressure needs to be improved, the pressure loss of each heat recovery device is 0.04MPa, the design is in a series-parallel mode, the series mode is adopted during normal use, and the parallel mode is adopted during maintenance, so that the operation of the equipment is not influenced, and the use efficiency of the equipment can be adjusted to the maximum extent.
The using method comprises the following steps: when high-temperature water is required to be discharged, as shown in fig. 1, gate valves C1, C2 and C3 are all opened, regulating valves B2, B3 and B4 are all opened, regulating valve B1 is automatically regulated according to the temperature of the discharged water, electric butterfly valves a2 and a7 are all opened, electric butterfly valves a1, A3, a4, a5, A6 and A8 are all closed, a series passage is formed, the water temperature rises, and high-temperature hot water is discharged.
When general warm water is needed, the gate valves C1, C2 and C3 are all closed, the electric butterfly valves A1, A2, A3, A4, A5, A6, A7 and A8 are all opened, the adjusting valves B1, B2, B3 and B4 automatically adjust according to the outlet water temperature to form a parallel loop, and warm water can be discharged, so that the operation of equipment is not influenced, and the use efficiency of the equipment can be adjusted to the maximum extent.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a series-parallel connection direct heating mode heat recovery unit, includes a plurality of plate heat exchangers (3), its characterized in that, every plate heat exchanger (3) all are connected with water inlet branch pipe and water outlet branch pipe, and water inlet branch pipe is responsible for through the intaking and is connected, and water outlet branch pipe is responsible for through the water outlet and connects, all installs electric butterfly valve on water inlet branch pipe and the water outlet branch pipe, and still installs the governing valve on the water inlet branch pipe, and water inlet branch pipe and the water outlet branch pipe on two adjacent plate heat exchangers (3) pass through the connecting pipe and connect, install the gate valve on the connecting pipe, the connecting pipe is located between electric butterfly valve and the governing valve with the connected node of water inlet branch.
2. The series-parallel direct heat mode heat recovery device according to claim 1, wherein the water outlet main pipe is communicated with a heat preservation water tank (2), and a flow meter (1) is further installed on the water outlet main pipe.
3. A series-parallel direct heat mode heat recovery device according to claim 1, characterized in that the main water inlet pipe is communicated with a water softener (5), and the water softener (5) is connected with an air source heat pump (4).
4. The series-parallel direct heat mode heat recovery device according to claim 1 or 3, wherein a constant pressure water pump is connected to an end of the main water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921770009.5U CN210740713U (en) | 2019-10-22 | 2019-10-22 | Series-parallel connection direct heat mode heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921770009.5U CN210740713U (en) | 2019-10-22 | 2019-10-22 | Series-parallel connection direct heat mode heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210740713U true CN210740713U (en) | 2020-06-12 |
Family
ID=71011038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921770009.5U Active CN210740713U (en) | 2019-10-22 | 2019-10-22 | Series-parallel connection direct heat mode heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210740713U (en) |
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2019
- 2019-10-22 CN CN201921770009.5U patent/CN210740713U/en active Active
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