CN105333664A - Chilled water treatment device and system - Google Patents
Chilled water treatment device and system Download PDFInfo
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- CN105333664A CN105333664A CN201410370208.2A CN201410370208A CN105333664A CN 105333664 A CN105333664 A CN 105333664A CN 201410370208 A CN201410370208 A CN 201410370208A CN 105333664 A CN105333664 A CN 105333664A
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Abstract
The embodiment of the invention provides a chilled water treatment device and system. The chilled water treatment device comprises a sealed box body, and a chilled water inlet and a chilled water outlet are formed in the box body. The chilled water inlet is communicated with a chilled water returning pipe of an air conditioner system. The chilled water outlet is communicated with a chilled water supply pipe of the air conditioner system. A liquid gas pipeline is arranged in the box body and forms a liquid gas inlet and a liquid gas outlet in the wall of the box body. The chilled water treatment device and system can recycle cooling capacity released in the liquid gas gasification process to treat chilled water, the chilled water is made to carry the cooling capacity, and the purposes of saving energy and protecting the environment are realized.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of chilled water treating apparatus and system.
Background technology
Existing chilled water manufacture process needs the gas within the compressor refrigerant compression being become HTHP usually, and sent in condenser by this gas and carry out heat exchange with cooling water, cold-producing medium, after water quench, is converted to liquid state.In evaporimeter, be converted to gaseous state by being converted to liquid cold-producing medium, in this course, cold-producing medium released cold quantity, chilled water carries out heat exchange with it, and then makes chilled water.
This method is very big to the consumption of electric energy, and as also very huge for the destruction of environment in cold-producing mediums such as freon.
And when industrially using gas, normally liquid gas carried out gasifying thus obtain the gaseous atmospheres that can use, in this course, liquid gas can discharge huge cold.In the prior art, these colds can be released in air, can not be applied well.
Based on These characteristics, create and the cold discharged in industrial liquefied gas vapo process is recycled the demand manufacturing chilled water.
Summary of the invention
The embodiment of the present invention provides a kind of chilled water treating apparatus and system, realizes the recovery for the cold discharged in liquefied gas vapo process, is used for manufacturing chilled water.
In order to achieve the above object, embodiments provide a kind of chilled water treating apparatus, comprise: airtight casing, casing is provided with chilled water inlet, chilled water outlet, chilled water inlet is communicated with the chilled water return pipe of air-conditioning system, and chilled water outlet is communicated with the chilled water feed pipe of air-conditioning system.Box house is provided with liquid gas pipeline, and liquid gas pipeline forms liquid gas entrance, liquid gas outlet on the wall of casing.
The chilled water treating apparatus that the embodiment of the present invention provides has recycled the cold that discharges in liquefied gas vapo process to process the object that chilled water reaches energy-conserving and environment-protective.
Preferably, chilled water inlet and liquid gas export adjacent, and chilled water outlet is adjacent with liquid gas entrance, and chilled water inlet is arranged on the offside of chilled water outlet, and liquid gas entrance is arranged on liquid gas outlet offside.
Such design, ensure that chilled water and liquid gas carry out convection current, thus extends the time that chilled water contacts with liquid gas, makes Cooling capacity exchanging more thorough.
Preferably, also electric heating tube is provided with in casing.
Such design, ensure that freeze in casing serious in electric heating tube can be used to heat, thus alleviate the situation of freezing in casing.
Preferably, liquid gas pipeline coils in box house.Such design expands the contact area between chilled water and liquid gas, thus the exchange efficiency of cold is improve.
In addition, the embodiment of the present invention additionally provides a kind of chilled water treatment system, comprise: chilled water treating apparatus as above, the liquid gas entrance of chilled water treating apparatus is communicated with liquid gas storage device by the first transmission pipeline, the liquid gas outlet of chilled water treating apparatus is communicated with liquefied gas vapo(u)rizer by the second transmission pipeline, the chilled water inlet of chilled water treating apparatus is communicated with the chilled water return pipe of air-conditioning system by the 3rd transmission pipeline, the chilled water outlet of chilled water treating apparatus is communicated with the chilled water feed pipe of air-conditioning system by the 4th transmission pipeline.
The chilled water treatment system that the embodiment of the present invention provides has recycled the cold that discharges in liquefied gas vapo process to process the object that chilled water reaches energy-conserving and environment-protective.
Preferably, the chilled water treatment system that the embodiment of the present invention provides also comprises, and the first temperature sensor is arranged at chilled water outlet place, for monitoring the temperature of the chilled water after process.First electric proportional-regulation valve, is arranged on the first transmission pipeline.First controller, is electrically connected with the first temperature sensor and the first electric proportional-regulation valve, for according to the first temperature sensor monitors to temperature control the first electric proportional-regulation valve.
First temperature sensor, the first electric proportional-regulation valve and the first controller with the use of according to the temperature in chilled water treating apparatus, the inlet of liquid gas being controlled, thus the even ice that freezes in effective anti-locking apparatus blocks up.
Preferably, the chilled water treatment system that the embodiment of the present invention provides also comprises, the first magnetic valve, is positioned on the pipeline of connection first transmission pipeline and the second transmission pipeline, and the first magnetic valve is power-off normally open valve.Second controller, is electrically connected with the first magnetic valve, for when chilled water treating apparatus occurs abnormal, disconnects the power supply of the first magnetic valve.
Second controller and the first magnetic valve with the use of, prevent when abnormal conditions appear in chilled water treating apparatus liquid gas from continuing to enter chilled water treating apparatus, prevent chilled water treating apparatus to be subject to further infringement.
Preferably, the chilled water treatment system that the embodiment of the present invention provides also comprises, and three-temperature sensor, is arranged at box house, for monitoring the temperature of box house.First controller is also electrically connected with three-temperature sensor, and during for occurring that ice blocks up in the temperature determination casing that monitors according to three-temperature sensor, the electric heating tube controlled in casing heats.
First controller, three-temperature sensor and electric heating tube with the use of, when situations such as freezing appear in chilled water treating apparatus, can ice in thawing apparatus, thus making ice, ice block up the infringement caused treating apparatus.
In the another kind of chilled water treatment system that the embodiment of the present invention provides, the first transmission pipeline and the second transmission pipeline are connected on the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer respectively.System also comprises: the first temperature sensor, is arranged at chilled water outlet place, for monitoring the temperature data of the chilled water after process.First electric proportional-regulation valve, be arranged on the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer, between the tie point of the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer and the first transmission pipeline and the second transmission pipeline, for regulating the liquid gas entering casing.First controller, is electrically connected with the first temperature sensor and the second electric proportional-regulation valve, for according to the first temperature sensor monitors to temperature control the second electric proportional-regulation valve.
First temperature sensor, the first electric proportional-regulation valve and the first controller with the use of according to the temperature in chilled water treating apparatus, the inlet of liquid gas being controlled, thus the even ice that freezes in effective anti-locking apparatus blocks up.Meanwhile, the method for attachment of the first transmission pipeline, the second transmission pipeline and the first electric proportional-regulation valve makes liquid gas can partly enter in chilled water treating apparatus, and part directly enters in gasification installation, thus increases the utilization ratio of liquid gas.
Preferably, in the chilled water treatment system that above-described embodiment provides, also comprise the first magnetic valve, be positioned on the bypass pipe of electric proportional-regulation valve place pipeline section, the first magnetic valve is power-off normally open valve.Second controller, is electrically connected with the first magnetic valve, for when device occurs abnormal, disconnects the power supply of the first magnetic valve.
Second controller and the first magnetic valve with the use of, prevent when abnormal conditions appear in chilled water treating apparatus liquid gas from continuing to enter chilled water treating apparatus, prevent chilled water treating apparatus to be subject to further infringement.
Preferably, in the chilled water treatment system that above-described embodiment provides, also comprise three-temperature sensor, be arranged at box house, for monitoring the temperature of box house.Second electric proportional-regulation valve, is positioned on the first transmission pipeline.First controller is also electrically connected with three-temperature sensor and the second electric proportional-regulation valve, controls the second electric proportional-regulation valve and close when the temperature determination box house for monitoring according to three-temperature sensor freezes serious.
Three-temperature sensor, the second electric proportional-regulation valve and the first controller with the use of making when chilled water treating apparatus inner icing is serious, prevent liquid gas from continuing to enter chilled water treating apparatus, thus alleviate the degree of chilled water treating apparatus inner icing.
Preferably, when the temperature determination box house monitored according to three-temperature sensor occurs that ice blocks up, the electric heating tube that the first controller controls box house heats.
Such setting, the ice solving the appearance of chilled water treating apparatus inside blocks up situation.
Preferably, in the chilled water treatment system that above-mentioned two kinds of embodiment of the present invention provide, also comprise the second magnetic valve, be arranged on the first transmission pipeline, the second magnetic valve is power-off normally close valve.Second temperature sensor, is arranged at box house, for monitoring the temperature of box house.Second controller is also electrically connected with the second magnetic valve and the second temperature sensor, for according to the second temperature sensor monitors to temperature determination box house occur that ice blocks up time, disconnect the power supply of the second magnetic valve and the first magnetic valve.
Second magnetic valve and second controller with the use of making when system power supply breaks down or the box house of chilled water treating apparatus occurs that ice is stifled, can prevent liquid gas from continuing to enter chilled water treating apparatus, thus bring infringement to chilled water treating apparatus, or the ice of chilled water treating apparatus inside is made to block up even more serious.
In the chilled water treatment system that above-mentioned two kinds of embodiment of the present invention provide, also comprise electric T-shaped valve, the entrance of triple valve is connected to the outlet of chilled water, and the first outlet of triple valve is communicated with the chilled water return pipe of air-conditioning system, and the second outlet is communicated with the chilled water feed pipe of air-conditioning system.First controller is also electrically connected with electric T-shaped valve, during for the temperature that arrives in the first temperature sensor monitors higher than setting value, controls electric T-shaped valve and opens the first outlet, closes the second outlet.And, when the temperature that the first temperature sensor monitors arrives is less than or equal to setting value, controls electric T-shaped valve and close the first outlet, open the second outlet.
The use of electric T-shaped valve, make meeting the temperature requirement of use at the chilled water through the process of chilled water treating apparatus, air-conditioning system can be transported to for use, and when not meeting the temperature requirement of use, the further process that the device of conventional process chilled water can be used further to carry out chilled water makes it meet the temperature requirement of use.
In the chilled water treating apparatus that the embodiment of the present invention provides and system, because chilled water carries out heat exchange with liquid gas in liquefied gas vapo process, therefore do not need to consume a lot of electric energy in this course and namely can manufacture satisfactory chilled water, also can obtain the gaseous atmospheres that can utilize simultaneously, thus achieve the cold discharged in liquefied gas vapo process is recycled the object manufacturing chilled water.
Accompanying drawing explanation
The structural representation of the chilled water treating apparatus that Fig. 1 provides for the embodiment of the present invention;
The another kind of chilled water treating apparatus chilled water gateway that Fig. 2 provides for the embodiment of the present invention and the structural representation that liquid gas gateway is arranged;
The another kind of chilled water treating apparatus chilled water gateway that Fig. 3 provides for the embodiment of the present invention and the structural representation that liquid gas gateway is arranged;
The structural representation of the chilled water treatment system that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of chilled water treatment system that Fig. 5 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described.
As shown in Figure 1, the chilled water treating apparatus that the embodiment of the present invention provides, mainly comprises:
Airtight casing 101, chilled water inlet 102, chilled water outlet 103, liquid gas pipeline 104.Liquid gas pipeline 104 forms liquid gas entrance 105, liquid gas outlet 106 in containment housing 101.Chilled water inlet 102 is communicated with the chilled water return pipe of air-conditioning system, and chilled water outlet 103 is communicated with the chilled water feed pipe of air-conditioning system.
Casing 101 is for holding chilled water, and liquid gas enters from liquid gas entrance 105, through liquid gas pipeline 104, flows out from liquid gas outlet 106.Chilled water flows into from chilled water inlet 102, after heat exchange, flows out from chilled water outlet 103.
Preferably, chilled water inlet 102 and liquid gas export 106 adjacent, chilled water outlet 103 is adjacent with liquid gas entrance 105, and chilled water inlet 102 is arranged on the offside of chilled water outlet 103, and liquid gas entrance 105 is arranged on the offside of liquid gas outlet 106.
Such setting, can ensure that chilled water can have with liquid gas pipeline 104 and contact enough for a long time, increases the time of carrying out heat exchange, thus makes heat exchange more thorough.
Certainly, chilled water inlet 102, liquid gas outlet 106, chilled water outlet 103 also can be arranged as shown in Figure 2 with the setting of liquid gas entrance 105, namely chilled water inlet 102 and liquid gas export 106 adjacent, and are positioned at the same side of chilled water treating apparatus; Chilled water outlet 103 is adjacent with liquid gas entrance 105, and is positioned at the same side of chilled water treating apparatus.Chilled water inlet 102 is arranged on the offside of chilled water outlet 103, and liquid gas entrance 105 is arranged on the offside of liquid gas outlet 106.Contacting enough for a long time and the setting carried out for guaranteeing that chilled water and liquid gas pipeline 104 can have, being not limited in the setting that Fig. 1 and Fig. 2 carries out.
Same, when not needing a large amount of cold, chilled water inlet 102, liquid gas outlet 106, chilled water outlet 103 also can be arranged as shown in Figure 3 with the setting of liquid gas entrance 105, namely convection type is not adopted to arrange the import and export of the import and export of chilled water and liquid gas, but adopt, the mode that chilled water and liquid gas pass in and out at homonymy is respectively arranged.
Preferably, as shown in Figure 1, liquid gas pipeline 104 coils in box house, and such arranging can make the contact area of chilled water in gas pipeline and casing reach maximum, thus increases the efficiency of heat exchange.In addition, liquid gas pipeline 104 equally also can select to lead directly to straight tube that form or multitube parallel form etc. are multi-form lays at box house.Such as, at liquid gas consumption, the form that straight tube is straight-through can be adopted when chilled water demand is less, thus reduce the production cost of device, and when liquid gas consumption, chilled water demand are all larger, the form of coiling can be adopted also can to adopt the form of multitube parallel, thus increase the efficiency of chilled water heat exchange.
Preferably, liquid gas pipeline 104 outside can also be provided with flow impact resistant and corrosion resistant fin, thus increases the efficiency of carrying out heat exchange with chilled water.
Preferably, liquid gas pipeline 104 should have a segment distance apart from the inwall of casing 101, prevents slight freezing and causes ice to block up.
Further, the chilled water treating apparatus that the embodiment of the present invention provides also comprises electric heating tube 107, is arranged at the inside of casing 101, the inwall that can be arranged on casing 101 also can be arranged on other positions of casing 101 inside.The setting of electric heating tube 107 is in order to when there is the stifled situation of ice, can the ice that formed of heating and melting box house, thus this device can be worked normally.
This crust of the device can use steel, during design that it is withstand voltage, should with reference to the withstand voltage design load of chilled water pipeline, and also need to consider this device and the vertical range of most high water usage point simultaneously, then select suitable withstand voltage.The shape of this shell can be cuboid, cylinder, Elliptic Cylinder, concrete type selecting (comprising its length and width, diameter etc.) need be considered according to the aspect such as place, the convenience of manufacture, the convenience of working service used, and then selects optimal outer shape.
This device can be vertical, also can be horizontal.
As shown in Figure 4, embodiments of the invention additionally provide a kind of chilled water treatment system, the chilled water treating apparatus 401 provided in above-described embodiment is provided, wherein liquid gas entrance 402 is communicated with liquid gas storage device 406 by the first transmission pipeline, wherein liquid gas outlet 403 is communicated with liquefied gas vapo(u)rizer 407 by the second transmission pipeline, chilled water inlet 404 is communicated with the chilled water return pipe of air-conditioning system 408 by the 3rd transmission pipeline, and chilled water outlet 405 is communicated with the chilled water feed pipe of air-conditioning system 408 by the 4th transmission pipeline.
Further, the chilled water treatment system that the embodiment of the present invention provides, also comprises the first temperature sensor 409, is arranged at chilled water outlet 405 place, is used to the temperature of the chilled water after monitoring process.First electric proportional-regulation valve 410, is arranged on the first transmission pipeline.First controller 411, is electrically connected with the first electric proportional-regulation valve 410.First controller 411, for the temperature of the chilled water after treatment according to the first temperature sensor 409 monitoring, controls the first electric proportional-regulation valve 410.When chilled water temperature is too low time, just the aperture of adjustment the first electric proportional-regulation valve 410, makes its aperture reduce, and the liquid gas entering chilled water treating apparatus 401 is reduced.When chilled water temperature is too high time, the just aperture of adjustment the first electric proportional-regulation valve 410, makes its aperture become large, the liquid gas entering chilled water treating apparatus 401 is increased.
Further, the chilled water treatment system that the embodiment of the present invention provides, a transmission pipeline is also had between the first transmission pipeline and the second transmission pipeline, this transmission pipeline is connection first transmission pipeline and the second transmission pipeline, this transmission pipeline there is the first magnetic valve 412, first magnetic valve 412 are power-off normally open valves.This system also comprises second controller 413, is electrically connected with the first magnetic valve 412, and second controller 413 is disconnection or the connection of the power supply of control first magnetic valve 412.When under normal circumstances, second controller 413 is power supplys of connection first magnetic valve 412, and now the state of the first magnetic valve 412 is closed, and liquid gas just can be entered in chilled water treating apparatus 401 by the first transmission pipeline.When chilled water treating apparatus 401 occurs abnormal, such as chilled water treating apparatus 401 breaks down, during cisco unity malfunction, or when power supply occurs abnormal, second controller 413 disconnects the power supply of the first magnetic valve 412, now the state of the first magnetic valve 412 is for opening, and liquid gas just can directly enter the second transmission pipeline by the pipeline section at the first magnetic valve 412 place, thus directly enters liquefied gas vapo(u)rizer 407 and gasify.
Further, embodiment provided by the invention also comprises, the second magnetic valve 414, is arranged on the first transmission pipeline, and the second magnetic valve 414 is power-off normally close valves.Second controller 413 is electrically connected with the second magnetic valve 414, controls the disconnection of the second magnetic valve 414 power supply or connection.Under normal circumstances, second controller 413 connects the power supply of the second magnetic valve 414, and therefore, the second magnetic valve 414 is opened under normal circumstances.
Also comprise in this embodiment, the second temperature sensor 415, the inside being arranged on chilled water treating apparatus 401 casing near liquid gas entrance 402, for monitoring the temperature of inside near liquid gas entrance 402 of chilled water treating apparatus 401 casing.Second temperature sensor 415 is electrically connected with second controller 413.The temperature monitored when the second temperature sensor 415 is less than 1 DEG C, second controller 413 judges that system has occurred that ice blocks up, then second controller 413 disconnects the power supply of the second magnetic valve 414, when when having first magnetic valve 412, second controller 413 also disconnects the power supply of the first magnetic valve 412, now the second magnetic valve 414 is closed condition, and the first magnetic valve 412 is opening.Meanwhile, when externally fed is abnormal, because now the second magnetic valve 414 loses power supply, closed condition is become equally.When the second magnetic valve 414 cuts out, liquid gas no longer can enter chilled water treating apparatus 401 by the first transmission pipeline.But directly lead to liquefied gas vapo(u)rizer 407 by liquid gas storage device 406.
Further, also comprise in embodiment provided by the invention, three-temperature sensor 416, be arranged on the inside of described chilled water treating apparatus 401 casing, preferably, being arranged near liquid gas entrance 402, being electrically connected with the first controller 411, for obtaining the temperature near liquid gas entrance 402.The temperature obtained when three-temperature sensor 416 is close to 1 DEG C, then the electric heating tube that described first controller 411 controls chilled water treating apparatus inside heats.Alternatively, also control the first electric proportional-regulation valve 410 while of the first controller 411 to close completely.
Further, embodiment provided by the present invention comprises electric T-shaped valve 417.The entrance of electric T-shaped valve 417 is connected to chilled water outlet 405, and the first outlet of electric T-shaped valve 417 is communicated with the chilled water return pipe of air-conditioning system 408, and the second outlet is communicated with the chilled water feed pipe of air-conditioning system 408.First controller 411 is electrically connected with electric T-shaped valve 417.User can set the qualified temperature of a setting value as chilled water in advance, as 6 DEG C.The temperature monitored when the first temperature sensor 409 is higher than setting value, then the first controller 411 controls electric T-shaped valve 417 and opens the first outlet, closes the second outlet.Temperature now due to treated chilled water is defective, therefore, will flow into handpiece Water Chilling Units be further processed to make the temperature of chilled water to meet the requirement of use by the chilled water return pipe of air-conditioning system 408.The temperature monitored when the first temperature sensor 409 is less than or equal to setting value, then the first controller 411 controls electric T-shaped valve 417 and cuts out the first outlet, opens the second outlet.Now, the temperature of treated chilled water is qualified, and therefore, treated chilled water can flow to air-conditioning system 408 for use.
In addition, a thermometer can also be provided with at chilled water outlet place, when making an inspection tour for staff scene, observe leaving water temperature.
As shown in Figure 5, the invention provides the embodiment of another kind of chilled water treatment system, comprise the chilled water treating apparatus 501 as described in the embodiment of first, wherein liquid gas entrance 502 is communicated with liquid gas storage device 506 by the first transmission pipeline, wherein liquid gas outlet 503 is communicated with liquefied gas vapo(u)rizer 507 by the second transmission pipeline, chilled water inlet 504 is communicated with the chilled water return pipe of air-conditioning system 508 by the 3rd transmission pipeline, and chilled water outlet 505 is communicated with the chilled water feed pipe of air-conditioning system 508 by the 4th transmission pipeline.
Preferably, the first transmission pipeline and described second transmission pipeline are connected on the pipeline between liquid gas storage device 506 and liquefied gas vapo(u)rizer 507 respectively.And further, embodiment provided by the present invention also comprises the first temperature sensor 509, is arranged at chilled water outlet 505 place, be used to the temperature of the chilled water after monitoring process.First electric proportional-regulation valve 510, be arranged on the pipeline between liquid gas storage device 506 and liquefied gas vapo(u)rizer 507, between the tie point of the pipeline between liquid gas storage device 506 and liquefied gas vapo(u)rizer 507 and described first transmission pipeline and the second transmission pipeline, for regulating the liquid gas entering casing.First controller 511, is electrically connected with the first temperature sensor 509.First controller 511 controls the first electric proportional-regulation valve 510 for the temperature data of the chilled water after treatment transmitted according to the first temperature sensor 509.When chilled water temperature is too low time, just the aperture of adjustment the first electric proportional-regulation valve 510, makes its aperture increase, and the liquid gas entering chilled water treating apparatus 501 is reduced.When chilled water temperature is too high time, just the aperture of adjustment the first electric proportional-regulation valve 510, makes its aperture reduce, the liquid gas entering chilled water treating apparatus 501 is increased.
Further, the chilled water treatment system that the embodiment of the present invention provides, the first electric proportional-regulation valve 510 place pipeline section also has a bypass pipe, and this bypass pipe having the first magnetic valve 512, is power-off normally open valve.This system also comprises second controller 513, is electrically connected with the first magnetic valve 512, and second controller 513 is that the power supply of control first magnetic valve 512 disconnects or connects.When under normal circumstances, the power supply that second controller 513 controls the first magnetic valve 512 is connected, and now the state of the first magnetic valve 512 is closed, and liquid gas just can be entered in chilled water treating apparatus 501 by the first transmission pipeline.When chilled water treating apparatus 501 occurs abnormal, such as chilled water treating apparatus 501 breaks down, during cisco unity malfunction, or when power supply occurs abnormal, second controller 513 just disconnects the power supply of the first magnetic valve 512, now the state of the first magnetic valve 512 is for opening, and liquid gas just can directly enter liquefied gas vapo(u)rizer 507 by the pipeline section at the first magnetic valve 512 place and gasify.
Further, the embodiment of the present invention also comprises the second magnetic valve 514, is arranged on the first transmission pipeline.Second magnetic valve 514 is power-off normally close valves.Second controller 513 is electrically connected with the second magnetic valve 514, and the power supply for controlling the second magnetic valve 514 disconnects or connects.Under normal circumstances, second controller 513 is power supplys of connection second magnetic valve 514.Therefore, the second magnetic valve 514 is opened under normal circumstances, and liquid gas now can enter chilled water treating apparatus.
Also comprise in this embodiment, the second temperature sensor 515, the box house being arranged on chilled water treating apparatus 501 near liquid gas entrance 502, for monitoring the temperature of box house near liquid gas entrance 502 of chilled water treating apparatus 501.Second temperature sensor 515 is electrically connected with second controller 513.The box house of the chilled water treating apparatus 501 that second controller 513 monitors according to the second temperature sensor 515 controls disconnection or the connection of the second magnetic valve 514 power supply near the temperature of liquid gas entrance 502.The temperature monitored when the second temperature sensor 515 is less than 1 DEG C, second controller 513 judges that system has occurred that ice blocks up, then second controller 513 disconnects the power supply of the second magnetic valve 514, when when having first magnetic valve 512, second controller 513 also disconnects the power supply of the first magnetic valve 512, now the second magnetic valve 514 is closed condition, and the first magnetic valve 512 is opening.Meanwhile, when externally fed is abnormal, because now the second magnetic valve 514 loses power supply, closed condition is become equally.When the second magnetic valve 514 cuts out, liquid gas no longer can enter chilled water treating apparatus 501 by the first transmission pipeline.But directly lead to liquefied gas vapo(u)rizer 507 by liquid gas storage device 506.
Further, embodiment provided by the present invention comprises, three-temperature sensor 516, be arranged on the box house of described chilled water treating apparatus 501, preferably, being arranged near liquid gas entrance 502, being electrically connected with the first controller 511, for monitoring the temperature near liquid gas entrance 502.Second electric proportional-regulation valve 517, is arranged on the first transmission pipeline, is electrically connected with the first controller 511.Temperature near three-temperature sensor 516 liquid towards gas access 502 carries out periodic sampling, when finding that the temperature near liquid gas entrance 502 is greater than 1 DEG C and is less than 2 DEG C, and when having the trend of continuous decrease.Such as, be sampled as 1.8 DEG C in the period 1, be sampled as 1.6 DEG C second round, the period 3 is sampled as 1.2 DEG C, then freeze in the first controller 511 decision maker serious.If it is serious to freeze in the first controller 511 decision maker, the aperture then controlling the second electric proportional-regulation valve 517 is complete shut-down, now, closed condition is in owing to being positioned at the second electric proportional-regulation valve 517 on the first transmission pipeline, therefore liquid gas can not enter chilled water treating apparatus 501, but directly can flow into liquefied gas vapo(u)rizer 507 from liquid gas storage device 506 by the first electric proportional-regulation valve 510.
Further, the temperature obtained when three-temperature sensor 516 is close to 1 DEG C, then the electric heating tube that described first controller 511 controls chilled water treating apparatus inside heats.Alternatively, the first controller 511 also controls the second electric proportional-regulation valve 517 simultaneously and cuts out completely, and the first electric proportional-regulation valve 510 is opened completely.
Further, embodiment provided by the present invention comprises electric T-shaped valve 518.The entrance of electric T-shaped valve 518 is connected to chilled water outlet 505, and the first outlet of electric T-shaped valve 518 is communicated with the chilled water return pipe of air-conditioning system 508, and the second outlet is communicated with the chilled water feed pipe of air-conditioning system 508.First controller 511 is electrically connected with electric T-shaped valve 518.User can set the qualified temperature of a setting value as chilled water in advance, as 6 DEG C.The temperature monitored when the first temperature sensor 509 is higher than setting value, then the first controller 511 controls electric T-shaped valve 518 and opens the first outlet, closes the second outlet.Temperature now due to treated chilled water is defective, therefore, will flow into handpiece Water Chilling Units be further processed to make the temperature of chilled water to meet the requirement of use by the chilled water feed pipe of air-conditioning system 508.When the data of the first temperature sensor 509 are less than or equal to setting value, then the first controller 511 controls electric T-shaped valve 518 and cuts out the first outlet, opens the second outlet.Now, the temperature of treated chilled water is qualified, and therefore, treated chilled water can flow to air-conditioning system 508 for use.
In addition, a thermometer can also be provided with at chilled water outlet place, when making an inspection tour for staff scene, observe leaving water temperature.
In system as above, second controller, the second magnetic valve, the second temperature sensor, do not need to depend on the first controller, the first magnetic valve, the first temperature sensor existence and exist.Above-mentioned second controller, the second magnetic valve, the second temperature sensor independently can be present in one not have in the chilled water treatment system of the first controller, the first magnetic valve, the first temperature sensor.
The chilled water treating apparatus that the embodiment of the present invention provides and system have rationally recycled the cold that discharges in liquefied gas vapo process to manufacture chilled water, do not need to consume a lot of electric energy in this course and namely can manufacture satisfactory chilled water, also can obtain the gaseous atmospheres that can utilize simultaneously, thus achieve the cold discharged in liquefied gas vapo process is recycled the object manufacturing chilled water.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. a chilled water treating apparatus, is characterized in that, comprising:
Airtight casing;
Described casing is provided with chilled water inlet, chilled water outlet, described chilled water inlet is communicated with the chilled water return pipe of air-conditioning system, and described chilled water outlet is communicated with the chilled water feed pipe of described air-conditioning system;
Described box house is provided with liquid gas pipeline, and described liquid gas pipeline forms liquid gas entrance, liquid gas outlet on the wall of described casing.
2. device as claimed in claim 1, it is characterized in that, described chilled water inlet and described liquid gas export adjacent, described chilled water outlet is adjacent with described liquid gas entrance, described chilled water inlet is arranged on the offside of described chilled water outlet, and described liquid gas entrance is arranged on described liquid gas outlet offside.
3. device as claimed in claim 1, is characterized in that, be also provided with electric heating tube in described casing.
4. device as claimed in claim 1, it is characterized in that, described liquid gas pipeline coils in box house.
5. a chilled water treatment system, is characterized in that, comprising: the chilled water treating apparatus as described in any one of Claims 1-4;
The liquid gas entrance of described chilled water treating apparatus is communicated with liquid gas storage device by the first transmission pipeline, the liquid gas outlet of described chilled water treating apparatus is communicated with liquefied gas vapo(u)rizer by the second transmission pipeline, the chilled water inlet of described chilled water treating apparatus is communicated with the chilled water return pipe of air-conditioning system by the 3rd transmission pipeline, and the chilled water outlet of described chilled water treating apparatus is communicated with the chilled water feed pipe of described air-conditioning system by the 4th transmission pipeline.
6. system as claimed in claim 5, is characterized in that, also comprise:
First temperature sensor, is arranged at described chilled water outlet place, for monitoring the temperature of the chilled water after process;
First electric proportional-regulation valve, is arranged on described first transmission pipeline;
First controller, is electrically connected with described first temperature sensor and described first electric proportional-regulation valve, controls described first electric proportional-regulation valve for the temperature arrived according to described first temperature sensor monitors.
7. system as claimed in claim 6, is characterized in that, also comprise:
First magnetic valve, be positioned on the pipeline of described first transmission pipeline of connection and described second transmission pipeline, described first magnetic valve is power-off normally open valve;
Second controller, is electrically connected with described first magnetic valve, for when described chilled water treating apparatus occurs abnormal, disconnects the power supply of described first magnetic valve.
8. system as claimed in claim 6, is characterized in that, also comprise:
Three-temperature sensor, is arranged at described box house, for monitoring the temperature of described box house;
Described first controller is also electrically connected with described three-temperature sensor, and when the temperature for monitoring according to described three-temperature sensor is determined to occur that ice blocks up in described casing, the electric heating tube controlled in described casing heats.
9. system as claimed in claim 5, it is characterized in that, described first transmission pipeline and described second transmission pipeline are connected on the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer respectively;
Described system also comprises: the first temperature sensor, is arranged at described chilled water outlet place, for monitoring the temperature data of the chilled water after process;
First electric proportional-regulation valve, be arranged on the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer, between the tie point of the pipeline between liquid gas storage device and liquefied gas vapo(u)rizer and described first transmission pipeline and the second transmission pipeline, for regulating the liquid gas entering casing;
First controller, is electrically connected with described first temperature sensor and described first electric proportional-regulation valve, controls described first electric proportional-regulation valve for the temperature arrived according to described first temperature sensor monitors.
10. system as claimed in claim 9, is characterized in that, also comprise:
First magnetic valve, be positioned on the bypass pipe of described electric proportional-regulation valve place pipeline section, described first magnetic valve is power-off normally open valve;
Second controller, is electrically connected with described first magnetic valve, for when described device occurs abnormal, disconnects the power supply of described first magnetic valve.
11. systems as described in claim 7 or 10, is characterized in that, also comprise:
Second magnetic valve, be arranged on described first transmission pipeline, described second magnetic valve is power-off normally close valve;
Second temperature sensor, is arranged at described box house, for monitoring the temperature of described box house;
Described second controller is also electrically connected with described second magnetic valve and described second temperature sensor, for according to described second temperature sensor monitors to temperature determine that described box house occurs that ice blocks up time, disconnect the power supply of described second magnetic valve and described first magnetic valve.
12. systems as claimed in claim 9, is characterized in that, also comprise:
Three-temperature sensor, is arranged at described box house, for monitoring the temperature of described box house;
Second electric proportional-regulation valve, is positioned on described first transmission pipeline;
Described first controller is also electrically connected with described three-temperature sensor and described second electric proportional-regulation valve, and the temperature for monitoring according to described three-temperature sensor determines that described box house controls described second electric proportional-regulation valve and closes when freezing serious.
13. systems as claimed in claim 12, is characterized in that, described first controller also for, when the temperature monitored according to described three-temperature sensor determines that described box house occurs that ice blocks up, the electric heating tube controlling described box house heats.
14. systems as described in claim 6 or 9, is characterized in that, also comprise:
Electric T-shaped valve, the entrance of described triple valve is connected to the outlet of described chilled water, and the first outlet of described triple valve is communicated with the chilled water return pipe of described air-conditioning system, and the second outlet is communicated with the chilled water feed pipe of described air-conditioning system;
Described first controller is also electrically connected with described electric T-shaped valve, during for the temperature that arrives in described first temperature sensor monitors higher than setting value, controls described electric T-shaped valve and opens the first outlet, closes the second outlet; And, when the temperature that described first temperature sensor monitors arrives is less than or equal to described setting value, controls described electric T-shaped valve and close the first outlet, open the second outlet.
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| CN201410370208.2A CN105333664A (en) | 2014-07-30 | 2014-07-30 | Chilled water treatment device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410370208.2A CN105333664A (en) | 2014-07-30 | 2014-07-30 | Chilled water treatment device and system |
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| CN105333664A true CN105333664A (en) | 2016-02-17 |
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| CN201410370208.2A Pending CN105333664A (en) | 2014-07-30 | 2014-07-30 | Chilled water treatment device and system |
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