CN201569203U - Evaporative cooling type temperature-adjustable dehumidifier unit - Google Patents
Evaporative cooling type temperature-adjustable dehumidifier unit Download PDFInfo
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- CN201569203U CN201569203U CN2009202844589U CN200920284458U CN201569203U CN 201569203 U CN201569203 U CN 201569203U CN 2009202844589 U CN2009202844589 U CN 2009202844589U CN 200920284458 U CN200920284458 U CN 200920284458U CN 201569203 U CN201569203 U CN 201569203U
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- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000007791 dehumidification Methods 0.000 claims abstract description 34
- 239000003507 refrigerant Substances 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000589248 Legionella Species 0.000 description 1
- 208000007764 Legionnaires' Disease Diseases 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
Description
一、技术领域1. Technical field
本实用技术涉及一种适用于地下工程的冷冻除湿设备，属于制冷、空调与除湿技术领域。The utility technology relates to a refrigeration and dehumidification equipment suitable for underground engineering, and belongs to the technical field of refrigeration, air conditioning and dehumidification.
二、背景技术2. Background technology
调温型冷冻除湿机利用蒸发器给空气降温除湿，并回收系统的冷凝热，是一种高效节能的除湿方式，已广泛应用于各领域。常见的调温除湿机均为双冷凝器串联或并联模式。并联型调温除湿机一般为双风冷冷凝器并联型，一冷凝器置于空调环境之外，另一冷凝器置于空调环境内部，用于调节处理空气的温度。因地下工程封闭性特点，该类型调温除湿机组不适用于地下工程。目前常见的地下工程用调温除湿机一般采用风冷式冷凝器与水冷式冷凝器+冷却塔串联或并联模式，通过冷却塔将余热排出工程。该类型调温除湿机主要存在以下缺点：The temperature-adjusting refrigeration dehumidifier uses the evaporator to cool and dehumidify the air, and recovers the condensation heat of the system. It is an efficient and energy-saving dehumidification method and has been widely used in various fields. Common temperature-adjusting dehumidifiers are in series or parallel mode with double condensers. Parallel-connected temperature-adjustable dehumidifiers are generally double-air-cooled condensers in parallel, one condenser is placed outside the air-conditioning environment, and the other condenser is placed inside the air-conditioning environment to adjust the temperature of the treated air. Due to the closed nature of underground engineering, this type of temperature-regulating dehumidification unit is not suitable for underground engineering. At present, the common temperature-adjusting dehumidifiers for underground projects generally use air-cooled condensers and water-cooled condensers + cooling towers in series or parallel mode, and the waste heat is discharged from the project through the cooling tower. This type of thermostat dehumidifier mainly has the following disadvantages:
1、水冷+冷却塔模式并非最佳的节能、节水的冷凝模式。存在水的输送、蒸发损失，且不能利用地下工程排风热湿携带能力。1. The water cooling + cooling tower mode is not the best energy-saving and water-saving condensation mode. There are water transportation and evaporation losses, and the heat and humidity carrying capacity of the underground engineering exhaust cannot be utilized.
2、容易滋生军团菌。适宜的水温，适合各类病菌的生存，且冷却塔置于室外，容易受到各种污染。2. It is easy to breed Legionella. Suitable water temperature is suitable for the survival of various germs, and the cooling tower is placed outdoors, which is susceptible to various pollutions.
3、不能充分利用除湿机产生的低温凝结水，而是直接排入地沟，部分冷凝水的挥发，又变成工程的湿负荷。3. The low-temperature condensed water produced by the dehumidifier cannot be fully utilized, but is directly discharged into the trench, and part of the condensed water volatilizes, which becomes the wet load of the project.
4、对于串联型调温除湿机组，存在调温盲区，调温模式时，送风温度偏高。4. For the series-type temperature-regulating dehumidification unit, there is a temperature-regulating blind zone. In the temperature-regulating mode, the supply air temperature is too high.
蒸发式冷凝器结合了冷却塔和冷凝器的优点，利用水的汽化潜热实现制冷剂的冷凝，减少了水的运输路程，利用提高排风的焓值达到排出余热的目的，是一种节水、节能的余热排除方式。The evaporative condenser combines the advantages of the cooling tower and the condenser, uses the latent heat of vaporization of water to condense the refrigerant, reduces the transportation distance of water, and uses the enthalpy value of the exhaust air to discharge waste heat. It is a water-saving , Energy-saving waste heat removal method.
三、实用技术内容3. Practical technical content
本实用新型的目的，提供蒸发冷凝冷冻调温除湿机组，尤其是一种节水、节能、安全、适合地下工程特点的调温除湿机组，可以实现升温除湿、调温除湿及冷冻除湿功能。The purpose of this utility model is to provide an evaporative, condensing, freezing, temperature-regulating and dehumidifying unit, especially a water-saving, energy-saving, safe and suitable temperature-regulating and dehumidifying unit for underground engineering.
本实用新型通过如下技术方案实现：一种适用于地下工程的变制冷剂流量并联型“蒸冷式”调温除湿机组，包括地下工程设置的压缩机、蒸发式冷凝器、风冷冷凝器、蒸发器和节流装置，压缩机、比例三通调节阀、蒸发式冷凝器、风冷冷凝器、蒸发器和节流装置通过制冷剂管路连接成一个制冷循环；其中蒸发式冷凝器与风冷冷凝器的一端并联接比例三通调节阀，蒸发式冷凝器与风冷冷凝器另一端出口处安装单向阀并连接到节流装置；设有制冷剂储液罐，制冷剂管路通过储液罐连接压缩机吸入口。The utility model is realized through the following technical solutions: a variable refrigerant flow parallel type "evaporative cooling" temperature-regulating dehumidification unit suitable for underground engineering, including compressors, evaporative condensers, air-cooled condensers, The evaporator and throttling device, compressor, proportional three-way regulating valve, evaporative condenser, air-cooled condenser, evaporator and throttling device are connected into a refrigeration cycle through the refrigerant pipeline; the evaporative condenser and the air-cooled One end of the cold condenser is connected with a proportional three-way regulating valve in parallel, and a one-way valve is installed at the outlet of the other end of the evaporative condenser and the air-cooled condenser and connected to a throttling device; there is a refrigerant liquid storage tank, and the refrigerant pipeline passes through The liquid reservoir is connected to the compressor suction.
所述的三通比例调节阀是调节阀二个出口的流量连续调节的比例调节阀。The three-way proportional regulating valve is a proportional regulating valve for continuous regulation of flow at two outlets of the regulating valve.
蒸发式冷凝器置于地下工程内部，利用排风的热湿携带能力将冷凝热带出地下工程。The evaporative condenser is placed inside the underground project, and the heat and moisture carrying capacity of the exhaust air is used to take the condensed heat out of the underground project.
蒸发器与风冷冷凝器在回风管路上串联，回风经蒸发器除湿降温后，经风冷冷凝器进行温度调节。蒸发器产生的冷凝水，经集水盘收集后，排入蒸发式冷凝器的集水箱内。The evaporator and the air-cooled condenser are connected in series on the return air pipeline. After the return air is dehumidified and cooled by the evaporator, the temperature is adjusted by the air-cooled condenser. The condensed water produced by the evaporator is collected by the water collecting pan and discharged into the water collecting tank of the evaporative condenser.
1、系统组成：本实用新型系统由压缩机、并联的蒸发式冷凝器及风冷冷凝器、储液器、节流装置、与风冷冷凝器串联的蒸发器以及三通比例调节阀、单向阀等组成，通过调节流经两冷凝器的制冷剂流量达到调温目的。1. System composition: The utility model system consists of a compressor, a parallel evaporative condenser and an air-cooled condenser, a liquid storage device, a throttling device, an evaporator connected in series with the air-cooled condenser, and a three-way proportional regulating valve. Composed of directional valves, etc., the purpose of temperature regulation is achieved by adjusting the flow rate of refrigerant flowing through the two condensers.
2、制冷循环：从压缩机出来的高温高压制冷剂依次经过三通比例调节阀进入蒸发式冷凝器和风冷冷凝器，经过单向阀进入储液罐，经节流装置、蒸发器回流至压缩机，完成一个制冷循环。2. Refrigeration cycle: The high-temperature and high-pressure refrigerant coming out of the compressor enters the evaporative condenser and the air-cooled condenser through the three-way proportional regulating valve in turn, enters the liquid storage tank through the one-way valve, and flows back through the throttling device and the evaporator to The compressor completes a refrigeration cycle.
3、蒸发冷凝装置：利用工程内部排风的热湿携带能力，通过喷淋水的蒸发，将余热带出工程。冷凝水作为循环水补水的一部分，经集水盘以重力或机械排至蒸发式冷凝器底部集水箱。3. Evaporation and condensation device: use the heat and moisture carrying capacity of the internal exhaust air of the project to remove the residual heat from the project through the evaporation of spray water. Condensed water, as a part of circulating water replenishment, is drained to the bottom water collection tank of the evaporative condenser through the water collecting pan by gravity or mechanically.
自动调温装置：通过温度测量与调节装置测量风冷冷凝器出风温度，并与设定温度进行比较，若温差在规定范围之外，则调节电动三通调节装置，分配制冷剂流经两冷凝器的比例，直到所测温度落在规定的范围之内。Automatic temperature adjustment device: Measure the outlet air temperature of the air-cooled condenser through the temperature measurement and adjustment device, and compare it with the set temperature. If the temperature difference is outside the specified range, adjust the electric three-way adjustment device to distribute the refrigerant through the two The ratio of the condenser until the measured temperature falls within the specified range.
蒸发式冷凝器为盘管式(圆管、椭圆管或异型管)、板式、填料式或鼓泡式蒸发式冷凝器，喷淋水流量可调节，以实现对冷凝压力的调节；置于工程内部，与排风共用风机，以充分利用排风的热湿携带能力，同时增加工程的防护性能。三通阀出口流量可连续调节，通过调节流向两冷凝器的制冷剂流量分配比例实现温度调节。The evaporative condenser is a coil type (round tube, oval tube or special-shaped tube), plate type, packing type or bubbling type evaporative condenser, and the spray water flow rate can be adjusted to realize the adjustment of the condensation pressure; placed in the project Inside, the fan is shared with the exhaust air to make full use of the heat and moisture carrying capacity of the exhaust air, and at the same time increase the protection performance of the project. The flow rate at the outlet of the three-way valve can be continuously adjusted, and the temperature adjustment can be realized by adjusting the distribution ratio of the refrigerant flow to the two condensers.
本实用新型的有益效果是：提供蒸发冷凝冷冻调温除湿机组，尤其是一种节水、节能、安全、适合地下工程特点的调温除湿机组，可以实现升温除湿、调温除湿及冷冻除湿功能。如当工程内部湿负荷较高，但温度较低时，高温高压的制冷剂全部通过风冷冷凝器冷却，达到升温除湿目的。The beneficial effects of the utility model are: to provide an evaporation-condensation freezing temperature-regulating dehumidification unit, especially a water-saving, energy-saving, safe and suitable temperature-regulating dehumidification unit for underground engineering, which can realize the functions of temperature-raising dehumidification, temperature-regulating dehumidification and freezing dehumidification . For example, when the internal humidity load of the project is high, but the temperature is low, the high-temperature and high-pressure refrigerant is all cooled by the air-cooled condenser to achieve the purpose of heating and dehumidification.
四、附图说明4. Description of drawings
图1：“蒸冷式”调温除湿机组系统图。Figure 1: System diagram of "evaporative cooling" thermostat dehumidification unit.
图2：“蒸冷式”调温除湿机组结构示意图。Figure 2: Schematic diagram of the structure of the "evaporative cooling" temperature-adjusting dehumidification unit.
附图标记说明：1、蒸发式冷凝器；2、风冷冷凝器；3、三通比例调节阀；4、高压表；5、压缩机；6、低压表；7、压力控制器；8、蒸发器；9、膨胀阀；10、干燥过滤器；11、制冷电磁阀；12、储液器；13、14、单向阀Description of reference signs: 1. Evaporative condenser; 2. Air-cooled condenser; 3. Three-way proportional regulating valve; 4. High pressure gauge; 5. Compressor; 6. Low pressure gauge; 7. Pressure controller; 8. Evaporator; 9. Expansion valve; 10. Dry filter; 11. Refrigeration solenoid valve; 12. Liquid receiver; 13, 14. One-way valve
五、具体实施方式5. Specific implementation
下面结合附图对本实用技术的实施作进一步说明：Below in conjunction with accompanying drawing, the implementation of the present utility technology will be further described:
如图2所示，本实用技术主要由由压缩机、蒸发式冷凝器、风冷冷凝器、蒸发器和节流装置通过制冷剂管路连接成一个制冷循环。蒸发式冷凝器与风冷冷凝器通过比例三通调节阀并联，并在各自制冷剂出口处安装单向阀；采用两进一出型储液罐以平衡两冷凝器不同的冷凝压力；制冷剂经过节流装置及蒸发器后，被吸入压缩机，完成一个制冷循环。节流装置(9)采用毛细管、热力膨胀阀或者电子膨胀阀。储液罐(12)采用两进一出储液罐。蒸发器设有的冷凝水集水盘连接蒸发式冷凝器设有的集水箱内。As shown in Figure 2, the utility technology is mainly composed of a compressor, an evaporative condenser, an air-cooled condenser, an evaporator and a throttling device connected through a refrigerant pipeline to form a refrigeration cycle. The evaporative condenser and the air-cooled condenser are connected in parallel through a proportional three-way regulating valve, and one-way valves are installed at the respective refrigerant outlets; two-in and one-out liquid storage tanks are used to balance the different condensation pressures of the two condensers; After passing through the throttling device and evaporator, it is sucked into the compressor to complete a refrigeration cycle. The throttling device (9) adopts a capillary tube, a thermal expansion valve or an electronic expansion valve. Liquid storage tank (12) adopts two into and one out of liquid storage tank. The condensed water collecting tray provided on the evaporator is connected to the collecting tank provided on the evaporative condenser.
本实用新型所提出的适用于地下工程的蒸发式冷凝器与风冷冷凝器并联型调温除湿机组，可以实现降温除湿、调温除湿及升温除湿等几种运行模式，可以通过调节制冷剂流量，喷淋水量、水温或者排风量实现温度的精确控制。The evaporative condenser and air-cooled condenser parallel-connected temperature-regulating dehumidification unit proposed by the utility model can realize several operating modes such as cooling and dehumidification, temperature-regulating dehumidification and temperature-raising dehumidification, and can be adjusted by adjusting the refrigerant flow rate. , Spray water volume, water temperature or exhaust air volume to achieve precise temperature control.
1.降温除湿模式1. Cooling and dehumidification mode
当工程内部热湿负荷均较高时，系统运行于此模式。使高温高压的制冷剂全部通过蒸发式冷凝器进行冷却，将热量通过排风带出工程。When the heat and humidity load inside the project is high, the system operates in this mode. All the high-temperature and high-pressure refrigerant is cooled by the evaporative condenser, and the heat is taken out of the project through the exhaust air.
2.调温除湿模式2. Temperature adjustment and dehumidification mode
当工程内部湿负荷较高，但冷负荷较小时，运行此模式。调节三通阀以调节流经两冷凝器的制冷剂流量分配比例，实现温度调节；或者在一定范围内调节喷淋水量、水温或排风量，实现双冷凝器内部冷凝压力的基本平衡。Run this mode when the internal moisture load of the project is high, but the cooling load is small. Adjust the three-way valve to adjust the distribution ratio of refrigerant flow through the two condensers to achieve temperature regulation; or adjust the spray water volume, water temperature or exhaust air volume within a certain range to achieve the basic balance of the internal condensing pressure of the dual condensers.
3.升温除湿3. Heating and dehumidification
当工程内部湿负荷较高，但温度较低时，运行此模式。使高温高压的制冷剂全部通过风冷冷凝器冷却，达到升温除湿目的。Run this mode when the moisture load inside the project is high, but the temperature is low. All the high-temperature and high-pressure refrigerant is cooled by the air-cooled condenser to achieve the purpose of heating and dehumidification.
当排风温度低且风量较大时，可以关闭循环喷淋水，则变为双风冷冷凝器并联式调温除湿机。战时隔绝式通风时，关闭排风机，通过冷却水库蓄热，则系统变为淋水式冷凝器与风冷冷凝器并联型调温除湿机组When the exhaust air temperature is low and the air volume is large, the circulating spray water can be turned off, and then it becomes a double-air-cooled condenser parallel-connected temperature-adjusting dehumidifier. In the case of isolated ventilation during wartime, the exhaust fan is turned off, and the heat is stored through the cooling water reservoir, and the system becomes a temperature-regulating dehumidification unit with a water-drenched condenser and an air-cooled condenser in parallel
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| US20230119128A1 (en) * | 2020-03-12 | 2023-04-20 | Hefei Midea Refrigerator Co., Ltd. | Refrigeration device, refrigerator and control method therefor, food processing method and control device |
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2009
- 2009-12-25 CN CN2009202844589U patent/CN201569203U/en not_active Expired - Fee Related
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