Heat pump large-diameter heat exchange device and system thereof for sewage or earth surface water source
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A surface water source heat pump and heat exchange device technology, applied in the energy field, can solve problems such as complex process flow, large land occupation, and blockage of suspended solids, and achieve simple process flow, reduced failure points and maintenance, and small flow resistance Effect
Inactive Publication Date: 2012-01-11
青岛科创蓝新能源股份有限公司
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[0011] The purpose of the present invention is to provide a sewage or surface water source heat pump large-diameter heat exchange device and its system, which can effectively solve the blockage of suspended solids and the complicated process flow and large area occupation caused by the existing technology to prevent blockage other key issues
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specific Embodiment approach 1
[0038] Specific implementation mode one, combining figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 Be explained. The large-diameter heat exchange device 12 of this embodiment is composed of two single heat exchange devices connected in series, and each single heat exchange device is composed of a large-diameter tube 1 and a row tube 2 composed of a large-diameter tube 1 and a tube sheet. 3. First housing 4-1, second housing 4-2, inner partition 5, first outer partition 6-1, second outer partition 6-2, sewage or surface water inlet 7, sewage or The surface water outlet 8, the clean water inlet 9, the clean water outlet 10 and the sealing plate 11 are composed. The diameter of the large-diameter pipe 1 is between 50 and 150mm, and there is a certain gap between the pipes, and they are juxtaposed in the horizontal direction to form a layer. The row pipes 2 are fixed on the tube plate 3 one by one; the first shell 4-1 and the second shell 4-2 are respectively connec...
specific Embodiment approach 2
[0039] Specific implementation mode two (see Figure 1 to Figure 5 ), the diameter of the large-diameter pipe 1 of this embodiment is 70-125 mm, and other components and connections are the same as those in Embodiment 1.
specific Embodiment approach 3
[0040] Specific implementation mode three (see Figure 1 to Figure 5 ), the diameter of the large-diameter pipe 1 of this embodiment is 90-110mm, and other compositions and connections are the same as those in Embodiment 1.
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Abstract
The invention relates to a heat pump large-diameter heat exchange device and a system thereof for sewage or earth surface water source, in particular to a heat exchange device and a system thereof for picking up heat or refrigeration in sewage or earth surface water by a heat pump technology. The invention aims at solving the key problems of suspended matter blockage, complex process flow, large area occupation, and the like of the traditional technology for preventing blockage. The device provided by the invention is composed of two monomer heat exchange devices in series, wherein the monomer heat exchange device comprises a large-diameter tube, a tube plate, a shell, an inside baffle plate, an outside baffle plate, a sewage or earth surface water inlet, a sewage or earth surface water outlet, a cleaning water inlet, a cleaning water outlet, a sealing plate, and the like. The system comprises the heat exchange device, a heat pump set, a water pump, connecting pipelines, and the like. Sewage or earth surface water flows smoothly in the large-diameter tube, and cleaning water is in a counter-current flow with the sewage outside the tube. The heat pump set then picks up heat from the cleaning water. The invention is suitable for indirect systems of heat pumps for sewage or earth surface water source, and the front end does not need to be provided with a filter screen or a blockage prevention device. The invention realizes blockless continuous heat exchange and heat picking, and has the advantages of sufficient corrosion allowance, little area occupation, high heat exchange efficiency, and the like.
Description
technical field [0001] The invention relates to a heat exchange device and system for extracting heat or cold from sewage or surface water by using heat pump technology, and belongs to the field of energy technology. Background technique [0002] The use of heat pump technology to extract low-level thermal energy from sewage or surface water for building heating and air conditioning, that is, sewage or surface water source heat pump heating and air conditioning systems, has huge energy-saving potential, and its energy-saving rate can reach more than 45%. According to the calculation and calculation of the existing sewage discharge in our country, the development and utilization of low-level thermal energy of sewage (according to the temperature drop of 4-5°C) can provide heating and air conditioning for 20% of urban buildings. one of the ways. [0003] Sewage source or surface water source is a kind of water source. Compared with groundwater, its main feature is that the co...
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