CN201464446U - Fully automatic cooling tower packing performance test device - Google Patents

Abstract

Translated fromChinese

本实用新型涉及一种全自动冷却塔填料性能测试装置，试验填料层顶部出风口依次与风机，风阀，混合室相连接，风机与风阀之间设有排风口，集水池上部进风口依次与空气处理器、喷管相连接；集水池上面的试验填料层顶部上端设有一组喷头，喷头进水口接冷却水管，喷头进水管上接有水阀，集水池出水管上接有水泵，水阀与水泵之间接有热交换器；喷头与水阀之间的进水管上接有流量仪和测温仪，集水池与水泵之间的出水管上接有测温仪，喷管上接有测压仪，喷管与空气处理器之间的风管上接有测温仪，空气处理器与集水池之间的进风管上接有测温仪，试验填料层顶部上端安装有测压仪，顶部出风管上接有测温仪。

The utility model relates to a fully automatic cooling tower packing performance testing device. The air outlet on the top of the test packing layer is connected with a fan, an air valve and a mixing chamber in turn, an air exhaust port is arranged between the fan and the air valve, and an air inlet is arranged on the upper part of a water collection pool. It is connected with the air handler and the nozzle in turn; a set of nozzles is installed on the top of the test packing layer above the sump, the water inlet of the nozzle is connected to the cooling water pipe, the water valve is connected to the water inlet pipe of the nozzle, and the water pump is connected to the outlet pipe of the sump. A heat exchanger is connected between the water valve and the water pump; a flow meter and a thermometer are connected to the inlet pipe between the nozzle and the water valve; a thermometer is connected to the outlet pipe between the sump and the water pump; There is a pressure measuring instrument, a thermometer is connected to the air pipe between the nozzle and the air handler, a thermometer is connected to the air inlet pipe between the air handler and the sump, and a measuring instrument is installed on the top of the test packing layer. pressure gauge, and a thermometer connected to the top outlet pipe.

Description

Translated fromChinese

全自动冷却塔填料性能测试装置Fully automatic cooling tower packing performance test device

技术领域technical field

本实用新型涉及一种冷却塔填料的测试装置，尤其是一种采用自动控制方式进行填料性能参数测试的装置。The utility model relates to a testing device for cooling tower packing, in particular to a device for testing packing performance parameters in an automatic control mode.

背景技术Background technique

填料是冷却塔中进行传热传质交换的主要部件，约占整个散热量的60％是在其中完成的，是提高冷却效果和保证冷却塔安全运行的关键。Filler is the main part of heat transfer and mass transfer in cooling tower, accounting for about 60% of the total heat dissipation, which is the key to improving cooling effect and ensuring the safe operation of cooling tower.

目前，衡量冷却塔填料性能的冷却数、容积散质系数和阻力等主要性能参数，需要通过试验测试得到，而现有的测试装置，其采集、记录、处理数据等步骤，只能采用手动方式进行，具有操作复杂、精度不高、效率低下等问题。At present, the main performance parameters such as cooling number, volumetric mass coefficient and resistance to measure the performance of cooling tower packing need to be obtained through experimental testing. However, the existing testing devices can only use manual methods for the steps of collecting, recording, and processing data. However, there are problems such as complicated operation, low precision and low efficiency.

发明内容Contents of the invention

本实用新型要提供一种全自动冷却塔填料性能测试装置，该装置能使填料性能参数的测试更为简便、准确和高效，并且具有结构简单、操作方便、自动化程度高、测试结果准确可靠等特点。The utility model provides a fully automatic cooling tower packing performance test device, which can make the test of packing performance parameters more convenient, accurate and efficient, and has the advantages of simple structure, convenient operation, high degree of automation, accurate and reliable test results, etc. features.

为实现上述目的，本实用新型的技术方案是：一种全自动冷却塔填料性能测试装置，由试验设备和测控设备两部分组成，试验设备包括风机，风阀，混合室，喷管，空气处理器，集水池，试验填料层，喷头，水阀，热交换器，水泵；测控设备包括测温仪，流量仪，测压仪，主控计算机，调节器，其特点是：试验填料层顶部依次连接风机，风阀，混合室，风机与风阀之间设有排风口，集水池上部进风口依次接有空气处理器和喷管；集水池上面的试验填料层顶部上端设有一组喷头，喷头进水口接冷却水管，喷头进水管上接有水阀，集水池出水管上接有水泵，水阀与水泵之间接有热交换器；喷头与水阀之间的进水管上接有流量仪和测温仪，集水池与水泵之间的出水管上接有测温仪，喷管上接测压仪，喷管与空气处理器之间的风管上接有测温仪，空气处理器与集水池之间的进风管上接有测温仪，试验填料层顶部上端接有测压仪，顶部出风管上接有测温仪。In order to achieve the above purpose, the technical solution of the utility model is: a fully automatic cooling tower packing performance test device, which is composed of two parts: test equipment and measurement and control equipment. The test equipment includes fans, air valves, mixing chambers, nozzles, air treatment device, sump, test packing layer, nozzle, water valve, heat exchanger, water pump; measurement and control equipment includes temperature measuring instrument, flow meter, pressure measuring instrument, main control computer, regulator, and its characteristics are: the top of the test packing layer is sequentially Connect the fan, air valve, mixing chamber, and there is an air outlet between the fan and the air valve. The air inlet on the upper part of the sump is connected with an air handler and a nozzle in turn; The water inlet of the nozzle is connected to the cooling water pipe, the water valve is connected to the water inlet pipe of the nozzle, the water pump is connected to the outlet pipe of the sump, and the heat exchanger is connected between the water valve and the water pump; the flow meter is connected to the water inlet pipe between the nozzle and the water valve and a thermometer, a thermometer is connected to the outlet pipe between the sump and the water pump, a pressure gauge is connected to the nozzle, a thermometer is connected to the air pipe between the nozzle and the air handler, and the air handler A thermometer is connected to the air inlet pipe between the pool and the sump, a pressure gauge is connected to the top of the test packing layer, and a thermometer is connected to the top outlet pipe.

风阀为自动风量调节阀，水阀为电动调节阀；测温仪，流量仪、测压仪信号输出端接主控计算机；主控计算机通过调节器输出信号分别控制风阀，水阀，风机，水泵。The air valve is an automatic air volume regulating valve, and the water valve is an electric regulating valve; the signal output terminals of the temperature measuring instrument, flow meter and pressure measuring instrument are connected to the main control computer; the main control computer controls the air valve, water valve and fan respectively through the output signal of the regulator. , water pump.

本实用新型的有益效果在于：The beneficial effects of the utility model are:

1.风机起到克服各种阻力，驱使空气在风管内以一定速度流动作用。1. The fan is used to overcome various resistances and drive the air to flow at a certain speed in the air duct.

2.喷头起到将被冷却水均匀喷淋到试验填料层的作用，同时还可以根据实际需要调整与试验填料层顶端高度。2. The nozzle plays the role of evenly spraying the cooling water to the test packing layer, and can also adjust the height of the top of the test packing layer according to actual needs.

3.水泵起到克服水路各种组力，使被冷却水以一定流量喷洒到试验填料层上，同时确保水系统能够循环利用。3. The water pump is used to overcome various forces of the waterway, so that the cooled water is sprayed on the test packing layer at a certain flow rate, and at the same time, it ensures that the water system can be recycled.

4.进风喷管起到测量进口空气流量的作用。4. The air inlet nozzle plays the role of measuring the inlet air flow.

5.自动风量调节阀起到自动控制空气流量的作用，属于测控系统中的执行机构。5. The automatic air volume regulating valve plays the role of automatically controlling the air flow, and belongs to the executive mechanism in the measurement and control system.

6.电动调节阀起到自动控制被冷却水的流量的作用，属于测控系统中的执行机构.6. The electric regulating valve plays the role of automatically controlling the flow of the cooled water, which belongs to the actuator in the measurement and control system.

7.主控计算机起到工况控制、数据采集、试验数据处理的作用，是整个测控系统的核心。7. The main control computer plays the role of working condition control, data acquisition, and test data processing, and is the core of the entire measurement and control system.

因此，本实用新型操作方便、自动化程度高、可控性好、测试结果可靠准确。Therefore, the utility model has the advantages of convenient operation, high degree of automation, good controllability and reliable and accurate test results.

附图说明Description of drawings

图1本实用新型全自动冷却塔填料性能测试装置示意图；Fig. 1 schematic diagram of the utility model automatic cooling tower filler performance testing device;

图2本实用新型全自动冷却塔填料性能测试装置测控系统示意图。Fig. 2 is a schematic diagram of the measurement and control system of the utility model automatic cooling tower packing performance testing device.

具体实施方式Detailed ways

下面结合附图与实施例对本实用新型作进一步的说明。Below in conjunction with accompanying drawing and embodiment the utility model is described further.

如图1所示，本实用新型的全自动冷却塔填料性能测试装置，该装置采用逆流抽风式，主要包括试验设备和测控设备两大部分，由空气循环系统和水循环系统组成。As shown in Figure 1, the fully automatic cooling tower packing performance testing device of the present invention adopts the countercurrent drafting type, and mainly includes two parts of test equipment and measurement and control equipment, and is composed of an air circulation system and a water circulation system.

试验设备主要包括风机7、风阀9，混合室1，喷管2，空气处理器3，集水池4，试验填料层5，喷头6，水阀11，热交换器12，水泵10，，测控设备主要包括测温仪C-1，C-2，C-4，C-5，C-6，流量仪C-7、测压仪C-0，C-3，主控计算机，调节器。The test equipment mainly includes fan 7, air valve 9, mixing chamber 1, nozzle 2, air handler 3, sump 4, test packing layer 5, nozzle 6, water valve 11, heat exchanger 12, water pump 10, measurement and control The equipment mainly includes thermometers C-1, C-2, C-4, C-5, C-6, flowmeter C-7, pressure gauges C-0, C-3, main control computer and regulator.

试验填料层5顶部依次连接风机7，风阀9，混合室1，风机7与风阀9之间设有排风口8，集水池4上部进风口依次接有空气处理器3和喷管2；集水池4上面的试验填料层5顶部上端设有一组喷头6，喷头6进水口接冷却水管，喷头6进水管上接有水阀11，集水池4出水管上接有水泵10，水阀11与水泵10之间接有热交换器12；喷头6与水阀11之间的进水管上接有流量仪C-7和测温仪C-5，集水池4与水泵10之间的出水管上接有测温仪C-6，喷管2上接测压仪C-0，喷管2与空气处理器3之间的风管上接有测温仪C-1，空气处理器3与集水池4之间的进风管上接有测温仪C-2，试验填料层5顶部上端接有测压仪C-3，顶部出风管上接有测温仪C-4。The top of the test packing layer 5 is connected to the fan 7, the air valve 9, and the mixing chamber 1 in sequence. An air outlet 8 is provided between the fan 7 and the air valve 9. The air inlet on the upper part of the sump 4 is connected to the air handler 3 and the nozzle 2 in sequence. The upper end of the top of the test packing layer 5 above the sump 4 is provided with a group of nozzles 6, the water inlet of the nozzle 6 is connected to the cooling water pipe, the water inlet pipe of the nozzle 6 is connected with a water valve 11, and the water outlet pipe of the sump 4 is connected with a water pump 10 and a water valve 11 and the water pump 10 are connected with a heat exchanger 12; the water inlet pipe between the nozzle 6 and the water valve 11 is connected with a flowmeter C-7 and a temperature measuring instrument C-5, and the water outlet pipe between the sump 4 and the water pump 10 The temperature measuring instrument C-6 is connected to it, the pressure measuring instrument C-0 is connected to the nozzle 2, the temperature measuring instrument C-1 is connected to the air duct between the nozzle 2 and the air handler 3, and the air handler 3 and the air handler 3 are connected to it. The air inlet pipe between the pools 4 is connected with a thermometer C-2, the top of the test packing layer 5 is connected with a pressure gauge C-3, and the top outlet pipe is connected with a thermometer C-4.

风阀9为自动风量调节阀，水阀11为电动调节阀；C-1，C-2，C-4，C-5，C-6，流量仪C-7、测压仪C-0，C-3信号输出端接主控计算机；主控计算机通过调节器输出信号分别控制风阀9，水阀11，风机7，水泵10。Air valve 9 is an automatic air volume regulating valve, water valve 11 is an electric regulating valve; C-1, C-2, C-4, C-5, C-6, flow meter C-7, pressure measuring instrument C-0, The signal output terminal of C-3 is connected to the main control computer; the main control computer respectively controls the air valve 9, the water valve 11, the fan 7 and the water pump 10 through the output signal of the regulator.

本实用新型的测控点：在喷管2适当位置接有采集空气流量的测压仪表C-0，在进风管上安装测温仪C-1，采集空气初态参数，在集水池4上方进塔风管上安装测温仪C-2，采集进塔空气参数，在试验填料层5顶部的出风管适当位置，布置测温仪表C-4，采集出塔空气参数；在水循环系统上，进出塔水管上分别布置采集流量的仪表C-7、采集进、出塔水温的仪表C-5和C-6；所有采集数据均被送入主控计算机，经分析处理，由主控计算机通过调节器输出信号分别控制风阀9，水阀11，风机7，水泵10，自动调节各工况所要求的试验参数。Measurement and control point of the utility model: a pressure measuring instrument C-0 for collecting air flow is connected to a suitable position of the nozzle 2, a temperature measuring instrument C-1 is installed on the air inlet pipe, and the initial state parameters of the air are collected, above the sump 4 Install the temperature measuring instrument C-2 on the air duct entering the tower to collect the air parameters entering the tower, and arrange the temperature measuring instrument C-4 at the appropriate position of the air outlet pipe on the top of the test packing layer 5 to collect the air parameters of the tower exiting; on the water circulation system , on the water pipes entering and leaving the tower, the meter C-7 for collecting flow, the meters C-5 and C-6 for collecting the water temperature entering and leaving the tower are respectively arranged; all the collected data are sent to the main control computer, and after analysis and processing, the main control computer The air valve 9, the water valve 11, the fan 7, and the water pump 10 are respectively controlled through the output signal of the regulator, and the test parameters required by each working condition are automatically adjusted.

在水平段，混合室1中的空气经喷嘴2，进空气处理器3被处理成满足试验要求的冷却空气；在竖直段，由于风机7的作用，进塔空气逆流而上，在试验填料层5与安装在试验填料层5顶部上端的喷头6所喷淋出的被冷却水进行传热传质过程，而后出塔空气经风管引导，一部分由排风口8排出，另一部分则根据试验要求通过风阀9被自动引入混合室1与新风混合，然后进入喷管2再次参与空气循环；进塔被冷却水经水阀11调节，进入试验填料层5顶部上端的喷头6中，被均匀喷淋在试验填料层5上，降温后的被冷却水，汇聚在集水池4中，再经水泵10进入热交换器12中被加热，再次参与水循环.In the horizontal section, the air in the mixing chamber 1 passes through the nozzle 2, and the air intake processor 3 is processed into cooling air that meets the test requirements; in the vertical section, due to the action of the fan 7, the air entering the tower goes upstream, Layer 5 and the cooling water sprayed by the nozzle 6 installed on the top of the test packing layer 5 carry out heat and mass transfer process, and then the air coming out of the tower is guided through the air duct, and part of it is discharged from the air outlet 8, and the other part is discharged according to the The test requires that it be automatically introduced into the mixing chamber 1 through the air valve 9 to mix with the fresh air, and then enter the nozzle 2 to participate in the air circulation again; the cooling water entering the tower is regulated by the water valve 11, and enters the nozzle 6 on the top of the test packing layer 5, and is Spray evenly on the test packing layer 5, and the cooled water after cooling gathers in the sump 4, and then enters the heat exchanger 12 through the water pump 10 to be heated, and participates in the water cycle again.

如图2所示，本实用新型采用监督控制系统，测控设备由硬件与软件构成，根据稳态测试的特点和实现自动控制功能的需要，配置相应测控仪表，采用组态软件进行开发，实现试验过程数据的自动采集与设备的自动监控。As shown in Figure 2, the utility model adopts a supervisory control system. The measurement and control equipment is composed of hardware and software. According to the characteristics of the steady-state test and the need to realize the automatic control function, the corresponding measurement and control instruments are configured, and the configuration software is used for development to realize the test. Automatic collection of process data and automatic monitoring of equipment.

Claims (3)

1. a full-automatic cooling tower filler performance testing device is made up of testing equipment and measuring and controlling equipment two parts, and testing equipment comprises blower fan (7), air-valve (9), mixing chamber (1), jet pipe (2), air processor (3), water collecting basin (4), test packing layer (5), shower nozzle (6), water valve (11), heat exchanger (12), water pump (10); Measuring and controlling equipment comprises temperature measurer (C-1, C-2, C-4, C-5, C-6), flow instrument (C-7), and measuring cell (C-0, C-3), main control computer, regulator is characterized in that: described test packing layer (5) top connects blower fan (7) successively, air-valve (9), mixing chamber (1), be provided with exhaust outlet (8) between blower fan (7) and the air-valve (9), water collecting basin (4) top air inlet is connected to air processor (3) and jet pipe (2) successively, and the upper end, test packing layer (5) top above the water collecting basin (4) is provided with one group of shower nozzle (6), shower nozzle (6) water inlet connects cooling water pipe, be connected to water valve (11) on shower nozzle (6) water inlet pipe, be connected to water pump (10) on water collecting basin (4) rising pipe, be connected to heat exchanger (12) between water valve (11) and the water pump (10); Be connected to flow instrument (C-7) and temperature measurer (C-5) on the water inlet pipe between shower nozzle (6) and the water valve (11), be connected to temperature measurer (C-6) on the rising pipe between water collecting basin (4) and the water pump (10), be connected to measuring cell (C-0) on the jet pipe (2), be connected to temperature measurer (C-1) on the airduct between jet pipe (2) and the air processor (3), be connected to temperature measurer (C-2) on the blast pipe between air processor (3) and the water collecting basin (4), upper end, test packing layer (5) top is connected to measuring cell (C-3), is connected to temperature measurer (C-4) on the discharge pipe of top.

2. full-automatic cooling tower filler performance testing device according to claim 1 is characterized in that: described air-valve (9) is automatic volume damper, and water valve (11) is an electric control valve.

3. full-automatic cooling tower filler performance testing device according to claim 1 is characterized in that: and described temperature measurer (C-1, C-2, C-4, C-5, C-6), flow instrument (C-7), measuring cell (C-0, C-3) signal output part connection main control computer; Main control computer is controlled air-valve (9) respectively by regulator output signal, water valve (11), blower fan (7), water pump (10).

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