CN206420197U - Double horizontal direct contact condensing heat exchangers of water journey - Google Patents
Double horizontal direct contact condensing heat exchangers of water journey Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000005192 partition Methods 0.000 claims abstract description 43
- 238000005057 refrigeration Methods 0.000 claims abstract description 25
- 239000013526 supercooled liquid Substances 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 11
- 238000009833 condensation Methods 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004781 supercooling Methods 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229940090046 jet injector Drugs 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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Abstract
本实用新型公开了一种双水程卧式直接接触凝结换热器。本实用新型分隔挡板与第一管板、筒体轴向的上下内壁接触位置焊接连接；第二管板两侧与分隔挡板、分隔板紧密接触，一侧与筒体接触的位置焊接连接，其位于分隔挡板的左半部分设有多个换热管孔，插入换热管的一端并焊接连接；所述筒体的上部开设有与第一高温气体截止阀、供液截止阀的并联出口连接管焊接的孔口，靠近底部位置开设有分别与过冷液截止阀、喷射引射器与供液截止阀并联入口连接管焊接的孔口，分隔挡板的右侧筒体位置，开设有与供液管、第二高温气体截止阀、喷射引射器出口连接管焊接的孔口。本实用新型可以有效地降低制冷压缩机的排气温度，减少压力比，提高制冷系统的性能，结构简单，操作方便、保护环境、节约能源。
The utility model discloses a double water pass horizontal direct contact condensation heat exchanger. The partition baffle of the utility model is welded and connected with the first tube plate and the upper and lower inner walls of the cylinder in the axial direction; both sides of the second tube plate are in close contact with the partition baffle and the partition plate, and the position where one side is in contact with the cylinder is welded It is located on the left half of the partition baffle with multiple heat exchange tube holes, inserted into one end of the heat exchange tube and connected by welding; the upper part of the cylinder is provided with the first high-temperature gas stop valve and the liquid supply stop valve The orifice welded with the parallel outlet connection pipe of the parallel outlet connection pipe is opened near the bottom, and the orifice welded with the supercooled liquid shut-off valve, the jet ejector and the liquid supply shut-off valve parallel inlet connection pipe is respectively opened, and the right cylinder position of the separation baffle , there are openings welded with the liquid supply pipe, the second high-temperature gas shut-off valve, and the outlet connecting pipe of the jet ejector. The utility model can effectively reduce the exhaust temperature of the refrigeration compressor, reduce the pressure ratio, improve the performance of the refrigeration system, and has the advantages of simple structure, convenient operation, environmental protection and energy saving.
Description
技术领域technical field
本实用新型涉及一种制冷技术领域，特别是涉及一种双水程卧式直接接触凝结换热器。The utility model relates to the technical field of refrigeration, in particular to a double water pass horizontal direct contact condensation heat exchanger.
背景技术Background technique
卧式水冷式冷凝器广泛用于制冷系统中，制冷压缩机排出的高温高压气体通过水冷却介质带走热量，降温凝结成高温高压的液体，制冷剂与冷却水热交换，需经两侧流体对流换热和换热器传热壁面的导热，特别是换热器传热壁面本身以及壁面集聚的润滑油与污垢形成的热阻，造成传热系数下降，同样的换热面积，散发同样的热量所需制冷剂与冷却介质间的传热温差增大，导致制冷压缩机的排气压力升高，压比增大，容积效率降低，制冷压缩机的耗功增多，制冷系统的性能系数下降，如果节流降压前的制冷剂过冷，则可以增大蒸发器的制冷量，相应提高制冷系统的性能，因此，开发直接接触凝结带过冷的一体换热器，结构紧凑，可以降低制冷压缩机的排气温度，减少压力比，提高容积效率，降低制冷压缩机的耗功，增大制冷量，改善制冷系统的性能，实现节能环保。但目前未见有实施例。Horizontal water-cooled condensers are widely used in refrigeration systems. The high-temperature and high-pressure gas discharged from the refrigeration compressor takes away heat through the water cooling medium, and cools down to condense into a high-temperature and high-pressure liquid. The heat exchange between the refrigerant and the cooling water requires fluid on both sides. The convective heat transfer and the heat conduction of the heat transfer wall of the heat exchanger, especially the thermal resistance formed by the heat transfer wall of the heat exchanger itself and the lubricating oil and dirt accumulated on the wall, cause the heat transfer coefficient to decrease. The same heat transfer area emits the same The heat transfer temperature difference between the refrigerant required for heat and the cooling medium increases, resulting in an increase in the discharge pressure of the refrigeration compressor, an increase in the pressure ratio, a decrease in volumetric efficiency, an increase in the power consumption of the refrigeration compressor, and a decrease in the performance coefficient of the refrigeration system , if the refrigerant before throttling and depressurization is subcooled, the cooling capacity of the evaporator can be increased, and the performance of the refrigeration system can be improved accordingly. The discharge temperature of the refrigeration compressor reduces the pressure ratio, improves the volumetric efficiency, reduces the power consumption of the refrigeration compressor, increases the cooling capacity, improves the performance of the refrigeration system, and realizes energy saving and environmental protection. But there is no embodiment at present.
实用新型内容Utility model content
本实用新型的目的是针对现有制冷系统存在的技术缺陷，提供一种双水程卧式直接接触凝结换热器，以提高制冷系统的运行性能。The purpose of this utility model is to provide a double-pass horizontal direct-contact condensation heat exchanger to improve the operating performance of the refrigeration system in view of the technical defects existing in the existing refrigeration system.
为实现本实用新型的目的所采用的技术方案是：一种双水程卧式直接接触凝结换热器，包括第一高温气体截止阀、第二管板、分隔板、第二端盖、供液管、第二高温气体截止阀、喷射引射器、第一管板、通孔、分隔挡板、支架、过冷液截止阀、筒体、换热管、冷却水出水管、供液截止阀、第一端盖、冷却水进水管和第三高温气体截止阀。The technical solution adopted to achieve the purpose of this utility model is: a double-pass horizontal direct-contact condensation heat exchanger, including a first high-temperature gas stop valve, a second tube plate, a partition plate, a second end cover, Liquid supply pipe, second high-temperature gas shut-off valve, jet ejector, first tube plate, through hole, partition baffle, bracket, supercooled liquid shut-off valve, cylinder, heat exchange tube, cooling water outlet pipe, liquid supply A cut-off valve, a first end cover, a cooling water inlet pipe and a third high-temperature gas cut-off valve.
所述分隔挡板为长方形，其底部设有通孔，其与第一管板、筒体轴向的上下内壁接触位置焊接连接；分隔板为半圆形，其与第二端盖接触位置焊接连接；第二管板为圆形，其两侧与分隔挡板、分隔板紧密接触，一侧与筒体接触的位置焊接连接，其位于分隔挡板的左半部分设有多个换热管孔，插入换热管的一端并焊接连接；第一管板为圆形，其与分隔挡板和筒体的接触的位置分别焊接连接，其位于分隔挡板的左半部分设有多个换热管孔，插入换热管的一端并焊接连接。The partition baffle is rectangular, and its bottom is provided with a through hole, which is welded to the contact position of the first tube plate and the upper and lower inner walls in the axial direction of the cylinder; the partition plate is semicircular, and its contact position with the second end cover Welded connection; the second tube sheet is circular, its two sides are in close contact with the partition baffle and the partition, and the position where one side is in contact with the cylinder is welded and connected, and it is located on the left half of the partition. The heat pipe hole is inserted into one end of the heat exchange tube and connected by welding; the first tube plate is circular, and its contact position with the partition baffle and the cylinder is respectively welded and connected, and it is located on the left half of the partition baffle. A heat exchange tube hole, insert one end of the heat exchange tube and weld the connection.
所述筒体为圆筒形，筒体的上部开设有与第一高温气体截止阀、供液截止阀的并联出口连接管焊接的孔口，靠近底部位置开设有分别与过冷液截止阀、喷射引射器与供液截止阀并联入口连接管焊接的孔口，分隔挡板的右侧筒体位置，开设有与供液管、第二高温气体截止阀、喷射引射器出口连接管焊接的孔口，第一端盖与第一管板、第二端盖与第二管板间通过密封垫片和连接螺栓紧密连接，供液管与筒体连接出口分成两路，一路与喷射引射器的液体入口焊接连接，一路与供液截止阀的入口焊接连接。The cylinder body is cylindrical, and the upper part of the cylinder body is provided with an orifice welded with the parallel outlet connecting pipe of the first high-temperature gas stop valve and the liquid supply stop valve, and openings are respectively connected with the supercooled liquid stop valve, The orifice where the jet ejector and the liquid supply cut-off valve are connected in parallel to the inlet connection pipe is welded, and the position of the cylinder body on the right side of the separation baffle is opened to weld with the liquid supply pipe, the second high-temperature gas cut-off valve, and the outlet connection pipe of the jet ejector The orifice, the first end cover and the first tube sheet, the second end cover and the second tube sheet are tightly connected by sealing gaskets and connecting bolts. The liquid inlet of the injector is welded and connected, and all the way is welded with the inlet of the liquid supply shut-off valve.
所述第一高温气体截止阀、第二高温气体截止阀、第三高温气体截止阀的入口与制冷压缩机的排气接管焊接连接，过冷液截止阀与节流降压元件的入口接管焊接连接。The inlets of the first high-temperature gas shut-off valve, the second high-temperature gas shut-off valve, and the third high-temperature gas shut-off valve are welded to the exhaust pipe of the refrigeration compressor, and the supercooled liquid shut-off valve is welded to the inlet pipe of the throttling and pressure-reducing element connect.
所述支架设在筒体的下端部，一端与筒体的外壁焊接连接，另一端固定在基础上。The bracket is arranged at the lower end of the cylinder, one end is welded to the outer wall of the cylinder, and the other end is fixed on the foundation.
所述冷却水出水管与冷却水循环的水泵入口连接，冷却水进水管与冷却水塔的出水接管连接。The cooling water outlet pipe is connected to the water pump inlet of the cooling water circulation, and the cooling water inlet pipe is connected to the water outlet connecting pipe of the cooling water tower.
所述第一高温气体截止阀、第二高温气体截止阀、第三高温气体截止阀、过冷液截止阀和供液截止阀由液位浮球阀控制启闭。The opening and closing of the first high-temperature gas stop valve, the second high-temperature gas stop valve, the third high-temperature gas stop valve, the supercooled liquid stop valve and the liquid supply stop valve are controlled by liquid level float valves.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
1、本实用新型的双水程卧式直接接触凝结换热器，直接接触凝结和过冷一体，利用高温高压的制冷剂气体与液体直接接触放出热量凝结，可以有效地降低制冷压缩机的排气温度，减少压力比，提高容积效率，降低制冷压缩机的耗功，改善制冷系统的性能。1. The dual-pass horizontal direct contact condensation heat exchanger of the present invention integrates direct contact condensation and supercooling, and uses high temperature and high pressure refrigerant gas to directly contact the liquid to release heat and condense, which can effectively reduce the discharge of the refrigeration compressor. Air temperature, reduce pressure ratio, increase volumetric efficiency, reduce power consumption of refrigeration compressors, and improve refrigeration system performance.
2、本实用新型的双水程卧式直接接触凝结换热器，实现高温高压液体节流降压前过冷，使得进入蒸发器的焓值降低，提大制冷系统制冷量，进一步提高制冷系统的性能，结构简单，操作方便、保护环境、节约能源。2. The double-pass horizontal direct-contact condensation heat exchanger of the utility model realizes the supercooling of the high-temperature and high-pressure liquid before throttling and stepping down, so that the enthalpy value entering the evaporator is reduced, the cooling capacity of the refrigeration system is increased, and the refrigeration system is further improved. Excellent performance, simple structure, convenient operation, environmental protection and energy saving.
附图说明Description of drawings
图1所示为本实用新型的双水程卧式直接接触凝结换热器的示意图；Fig. 1 shows the schematic diagram of the double-pass horizontal direct contact condensation heat exchanger of the present invention;
图2所示为A-A向剖视图。Figure 2 shows a cross-sectional view along A-A.
具体实施方式detailed description
以下结合附图和具体实施例对本实用新型作进一步详细说明。Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.
本实用新型的双水程卧式直接接触凝结换热器示意图如图1和图2所示，包括第一高温气体截止阀1、第二管板2、分隔板3、第二端盖4、供液管5、第二高温气体截止阀6、喷射引射器7、第一管板8、通孔9、分隔挡板10、支架11、过冷液截止阀12、筒体13、换热管14、冷却水出水管15、供液截止阀16、第一端盖17、冷却水进水管18和第三高温气体截止阀19。The schematic diagram of the double-water pass horizontal direct contact condensation heat exchanger of the present invention is shown in Figure 1 and Figure 2, including the first high-temperature gas cut-off valve 1, the second tube plate 2, the partition plate 3, and the second end cover 4 , liquid supply pipe 5, second high temperature gas stop valve 6, jet ejector 7, first tube plate 8, through hole 9, partition baffle 10, bracket 11, supercooled liquid stop valve 12, cylinder 13, replacement Heat pipe 14 , cooling water outlet pipe 15 , liquid supply stop valve 16 , first end cover 17 , cooling water inlet pipe 18 and third high temperature gas stop valve 19 .
所述筒体13水平放置，第一管板8和第二管板2为圆形，第一管板8和第二管板分别与筒体的两端面固定，第一端盖17和第二端盖4为半球形，第一端盖17和第二端盖的圆形底边分别与第一管板8和第二管板2固定；The cylinder 13 is placed horizontally, the first tube plate 8 and the second tube plate 2 are circular, the first tube plate 8 and the second tube plate are respectively fixed to the two ends of the cylinder, the first end cover 17 and the second The end cover 4 is hemispherical, and the circular bases of the first end cover 17 and the second end cover are respectively fixed to the first tube sheet 8 and the second tube sheet 2;
所述分隔挡板10为长方形，分隔挡板底部设有通孔，分隔挡板与第一管板、第二管板及筒体内壁接触位置焊接连接，分隔挡板10位于筒体中心轴线垂直平面，分隔挡板10两端面分别与第一管板8和第二管板2固定；分隔板3为半圆形，分隔板底边与第二管板2固定，分隔板的半圆周边与第二端盖4接触位置焊接连接；第二管板2位于分隔挡板10的左半部分设有多个换热管孔，多个换热管孔插入分别换热管14的一端并焊接连接；第一管板8位于分隔挡板10的左半部分插入换热管14的另一端并焊接连接；The partition baffle 10 is rectangular, and the bottom of the partition baffle is provided with a through hole, and the partition baffle is welded and connected with the first tube sheet, the second tube sheet and the inner wall of the cylinder. plane, the two ends of the partition baffle 10 are respectively fixed to the first tube sheet 8 and the second tube sheet 2; the partition 3 is semicircular, the bottom edge of the partition is fixed to the second tube sheet 2, and the semicircle The periphery is welded and connected to the contact position of the second end cover 4; the second tube sheet 2 is located on the left half of the partition baffle 10 and is provided with a plurality of heat exchange tube holes, and the plurality of heat exchange tube holes are inserted into one end of the heat exchange tube 14 respectively and Welding connection; the first tube sheet 8 is inserted into the other end of the heat exchange tube 14 in the left half of the partition baffle 10 and welded;
所述筒体13为圆筒形，筒体13放置换热管的一侧上部开设有与第一高温气体截止阀1、供液截止阀16的并联出口连接管焊接的孔口，筒体13放置换热管的一侧底部位置开设有与过冷液截止阀12连接管焊接的孔口，筒体13放置换热管的另一侧上部开设有与喷射引射器7入口连接管焊接的孔口，喷射引射器7连接第三高温气体截止阀19，供液截止阀16的出口连接供液管5，供液管5分别连接喷射引射器7和筒体13放置换热管的另一侧的底部；筒体13放置换热管的另一侧设有与第二高温气体截止阀6连接管焊接的孔口。The cylinder 13 is cylindrical, and the upper part of the cylinder 13 where the heat exchange tube is placed is provided with an orifice welded with the parallel outlet connecting pipe of the first high-temperature gas shut-off valve 1 and the liquid supply shut-off valve 16. The cylinder 13 The bottom position of one side where the heat exchange tube is placed is provided with an orifice welded with the connecting pipe of the supercooled liquid shut-off valve 12, and the upper part of the other side of the cylinder 13 where the heat exchange tube is placed is provided with a port welded with the inlet connection pipe of the jet injector 7. The orifice, the jet ejector 7 is connected to the third high-temperature gas shut-off valve 19, the outlet of the liquid supply shut-off valve 16 is connected to the liquid supply pipe 5, and the liquid supply pipe 5 is respectively connected to the jet ejector 7 and the barrel 13 to place the heat exchange tube. The bottom of the other side; the other side of the cylinder body 13 where the heat exchange tube is placed is provided with an orifice welded with the connecting pipe of the second high-temperature gas shut-off valve 6 .
第一端盖17与第一管板8、第二端盖4与第二管板2间通过密封垫片和连接螺栓紧密连接，供液管5与筒体13连接出口分成两路，一路与喷射引射器7的液体入口焊接连接，一路与供液截止阀16的入口焊接连接。The first end cover 17 is tightly connected with the first tube plate 8, the second end cover 4 and the second tube plate 2 through sealing gaskets and connecting bolts, and the connection outlet of the liquid supply pipe 5 and the cylinder body 13 is divided into two paths, and one path is connected with the tube body 13. The liquid inlet of the jet ejector 7 is welded and connected, and one path is welded with the inlet of the liquid supply shut-off valve 16 .
所述第一高温气体截止阀1、第二高温气体截止阀6、第三高温气体截止阀19的入口与制冷压缩机的排气接管焊接连接，过冷液截止阀12与节流降压元件的入口接管焊接连接。The inlets of the first high-temperature gas shut-off valve 1, the second high-temperature gas shut-off valve 6, and the third high-temperature gas shut-off valve 19 are welded to the exhaust pipe of the refrigeration compressor, and the supercooled liquid shut-off valve 12 is connected to the throttling and pressure-reducing element. The inlet takes over the welded connection.
所述支架11设在筒体13的下端部，一端与筒体13的外壁焊接连接，另一端固定在基础上。The bracket 11 is arranged at the lower end of the cylinder 13, one end is welded to the outer wall of the cylinder 13, and the other end is fixed on the foundation.
所述冷却水出水管15与冷却水循环的水泵入口连接，冷却水进水管18与冷却水塔的出水接管连接。The cooling water outlet pipe 15 is connected with the water pump inlet of the cooling water circulation, and the cooling water inlet pipe 18 is connected with the water outlet connecting pipe of the cooling water tower.
所述第一高温气体截止阀1、第二高温气体截止阀6、第三高温气体截止阀19、过冷液截止阀12和供液截止阀16由液位浮球阀控制启闭。The opening and closing of the first high-temperature gas shut-off valve 1 , the second high-temperature gas shut-off valve 6 , the third high-temperature gas shut-off valve 19 , the supercooled liquid shut-off valve 12 and the liquid supply shut-off valve 16 are controlled by liquid level float valves.
组装时，筒体13与第一管板8焊接，分隔挡板10分别与筒体13、第一管板8焊接，第二管板2与筒体13焊接，在第一管板8、第二管板2的换热管孔穿换热管14并焊接焊接，将第二端盖4分别与分封板3、冷却水出水管15、冷却水进水管18焊接连接，在筒体13相应的孔口位置焊接各个接管，焊接支架11。During assembly, the cylinder body 13 is welded to the first tube sheet 8, the partition baffle 10 is welded to the cylinder body 13 and the first tube sheet 8 respectively, and the second tube sheet 2 is welded to the cylinder body 13. The heat exchange tube hole of the second tube plate 2 passes through the heat exchange tube 14 and is welded and welded, and the second end cover 4 is welded and connected with the sub-sealing plate 3, the cooling water outlet pipe 15, and the cooling water inlet pipe 18 respectively. The opening positions are welded with each connecting pipe, and the bracket 11 is welded.
制冷系统启动运行时，制冷压缩机排出的高温高压的制冷剂气体经油分离器、第一高温气体截止阀1进入第一管板8、第二管板2、筒体13、换热管14和分隔挡板10组成的左侧空间，与换热管内的冷却水进行热交换，放出热量，凝结的高温高压液体聚集下部空间并经分隔挡板10底部的通孔9进入右侧下部空间，当右侧下部液位到设定液位时，第一高温气体截止阀1关闭，第二高温气体截止阀6、第三高温气体截止阀19、供液截止阀16开启，部分高温高压的制冷剂气体经第三高温气体截止阀19进入喷射引射器7膨胀压力降低，液体在进入喷射引射器7的高速气体引射下，进入喷射引射器7与气体混合后，喷射入第一管板8、第二管板2、筒体13和分隔挡板10组成的右侧空间，与经过第二高温气体截止阀6进入的高温气体直接接触，气体凝结成液体，液体在分隔挡板10右侧空间内的高压气体推动下，经供液截止阀16进入分隔挡板10左侧空间，与换热管内的冷却水进行热交换，放出热量过冷，经过冷液截止阀12进入节流降压元件，为蒸发器提供低温低压的制冷剂液体；经冷却水塔降温的冷却水经冷却水进水管18，第二管板2、分隔板3和第二端盖4的上部空间进入换热管内，吸收制冷剂的热量后，经第二管板2、分隔板3和第二端盖4的下部空间以及冷却水出水管15流出换热器，经水泵泵入冷却水塔。When the refrigeration system starts to operate, the high-temperature and high-pressure refrigerant gas discharged from the refrigeration compressor enters the first tube sheet 8, the second tube sheet 2, the cylinder body 13, and the heat exchange tube 14 through the oil separator and the first high-temperature gas stop valve 1 The left space formed by the partition baffle 10 exchanges heat with the cooling water in the heat exchange tube to release heat, and the condensed high-temperature and high-pressure liquid gathers in the lower space and enters the right lower space through the through hole 9 at the bottom of the partition baffle 10. When the liquid level at the lower right side reaches the set liquid level, the first high-temperature gas shut-off valve 1 is closed, the second high-temperature gas shut-off valve 6, the third high-temperature gas shut-off valve 19, and the liquid supply shut-off valve 16 are opened, and some high-temperature and high-pressure refrigeration The agent gas enters the jet ejector 7 through the third high-temperature gas shut-off valve 19, and the expansion pressure decreases, and the liquid enters the jet ejector 7 under the high-speed gas ejection, enters the jet ejector 7 and mixes with the gas, and is injected into the first jet ejector 7. The right space formed by the tube sheet 8, the second tube sheet 2, the cylinder body 13 and the partition baffle 10 is in direct contact with the high-temperature gas entering through the second high-temperature gas shut-off valve 6, and the gas condenses into liquid, and the liquid passes through the partition baffle Pushed by the high-pressure gas in the space on the right side of 10, it enters the space on the left side of the partition baffle 10 through the liquid supply cut-off valve 16, exchanges heat with the cooling water in the heat exchange tube, releases heat for supercooling, and enters the section through the cold liquid stop valve 12. The flow pressure reducing element provides low-temperature and low-pressure refrigerant liquid for the evaporator; the cooling water cooled by the cooling water tower enters through the cooling water inlet pipe 18, the upper space of the second tube plate 2, the partition plate 3 and the second end cover 4 In the heat exchange tube, after absorbing the heat of the refrigerant, it flows out of the heat exchanger through the second tube plate 2, the lower space of the partition plate 3 and the second end cover 4 and the cooling water outlet pipe 15, and is pumped into the cooling water tower through the water pump.
以上所述仅是本实用新型的优选实施方式，应当指出的是，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these Improvement and retouching should also be regarded as the protection scope of the present utility model.
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