CN2551913Y - Integrated ice tank heat exchanger set - Google Patents
Integrated ice tank heat exchanger set Download PDFInfo
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- CN2551913Y CN2551913Y CN 02235888 CN02235888U CN2551913Y CN 2551913 Y CN2551913 Y CN 2551913Y CN 02235888 CN02235888 CN 02235888 CN 02235888 U CN02235888 U CN 02235888U CN 2551913 Y CN2551913 Y CN 2551913Y
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Abstract
An integral ice-tank heat-exchanging unit belongs to the technical field of refrigerating air conditioners and ice storage. The utility model is characterized in that an ice storage tank body, a secondary refrigerant pump, a heat exchanger, a secondary refrigerant expansion chamber, an electric regulating valve, an electromagnetic valve, connecting pipelines and an electric control cabinet provided with an electric control integrated system are arranged in a box body, which is provided with a secondary refrigerant pipeline interface and another pipeline interface respectively connected with a refrigerator and an air-conditioner refrigerating water system. The utility model has the advantage that four running modes including ice-storage cool supply, cooler cool supply, ice-tank cool supply and cooler-ice tank combined cool supply can be realized as long as butt joint is done on the integral ice-tank heat-exchanging unit and the secondary refrigerant pipe of a selected refrigerator, and on a refrigerating water pipe of a user and an air-conditioner water pipe of the unit. The device has the advantages of convenient and fast debug, low mounting expenditure, etc. The device can be produced in batches, so the product quality can be effectively guaranteed; the cost can be lowered; and the construction period can be shortened.
Description
Technical field
The utility model belongs to refrigeration air-conditioner and ice storage technology field, relates in particular to a kind of structural design of integrated ice groove heat exchange unit.
Background technology
Ice-chilling air conditioning system is to utilize electrical network cheap electric power such as the night electricity of low-load period, and the cold of refrigeration system being produced by refrigerating medium (being generally glycol water) is stored in the water, water congeals into ice; And, the cold in the ice is discharged to the air-conditioning system cooling, thereby reduce the electrical network high load capacity phase to the demand of electric power, the air-conditioning system of realization power system " peak load shifting " on the electrical network high load capacity phase such as the daytime of electricity price costliness.Therefore this technology has obtained the support energetically of electric power policy, is developed rapidly at home.
Cold accumulation system comprises that refrigeration machine, cold-storage device, refrigerating medium-air conditioner water heat exchanger (hereinafter to be referred as heat exchanger), coolant pump, motor regulated valve and corresponding transmission ﹠ distribution pipeline and electric autocontrol system etc. partly form.At present, existing ice-storage system all is by above-mentioned each individual components, forms by design selection, the on-the-spot installation.Because ice-chilling air conditioning system equipment is many, therefore the pipeline complexity is compared with the common air-conditioning system, and its site operation, installation and debugging work load are big, and the work difficulty height causes long construction period, and systematic function is difficult to ensure the construction costs height; And because of the optimization operation of ice-storage system has direct relation with the weather of next day, the part throttle characteristics of building, the cold-storage and the factors such as getting cold characteristic of system, so the engineers and technicians of cold accumulation system and Control System Design have been proposed specific (special) requirements.
The utility model content
The purpose of this utility model and task are in order to improve construction quality, reduce system cost, shorten construction period, propose a kind ofly by standardized designs, and " the integrated ice groove heat exchange unit " produced in batches in factory is with the defective and the deficiency of improvement prior art.
Above-mentioned purpose and task are achieved by the following technical solution: a kind of integrated ice groove heat exchange unit, it is characterized in that the electric cabinet that in a casing, is furnished with ice-reserving cell body, coolant pump, heat exchanger, refrigerating medium expansion tank, electric control valve, magnetic valve, connecting line and automatically controlled integrated system is housed on casing, being furnished with refrigerating medium pipe interface that is connected with refrigeration machine and the pipe interface that is connected with air conditioning water system.
In technique scheme, can arrange one or two coolant pump in the described casing, its heat exchanger also can adopt one or two, and when adopting a coolant pump and a heat exchanger, ice groove and heat exchanger adopt arranged in series.When adopting two coolant pump and a heat exchanger, ice groove and heat exchanger can adopt arranged in series or be arranged in parallel dual mode.
The technical solution of the utility model also is: when arranging two coolant pump and two heat exchangers in the casing, described two heat exchangers are arranged in parallel.
Described heat exchanger can adopt the version of plate type heat exchanger, shell and tube exchanger, double pipe heat exchanger.
Described ice-reserving cell body can adopt the interior ice-melt ice groove of forms such as snake type coiled Ice Storage Tank, cylinder type coiled Ice Storage Tank, U type vertical disc tubular type Ice Storage Tank, ice ball type ice-reserving.
The utility model compared with prior art has the following advantages:
(1) good engineering quality: because mass production and strict quality inspection is arranged can guarantee product quality, for the raising of construction quality is laid a good foundation; (2) average price is low: finish because the transfer of content that much needed in the past site operation is finalized the design in the factory, so reduced construction cost; Owing to centralized purchasing, batch process, make production cost reduce simultaneously; (3) construction period shortens: on-the-spotly only need simple the installation and debugging, and can standard operation, be easy to ensure the quality of products, shorten construction period.As long as this integrated ice groove heat exchange unit is docked with the refrigerating medium adapter of selecting refrigeration machine for use, user's chilled water pipe docked with unit air-conditioning water pipe can realize ice-reserving, cold machine cooling, four kinds of operational modes of ice groove cooling and cold machine and ice groove associating cooling, thereby save mounting cost; Refrigeration machine control and ice storage system automatic control be in one, thereby debug convenient, fast; Capital equipment and connecting line are batch production production, guarantee product quality easily; Be convenient to maintenance management; Save installing space and area, needn't adopt the large tracts of land machine room, or whole machine installation is got final product in outdoor vacant lot or roof.
Description of drawings
Fig. 1 is the connection layout of the utility model embodiment Series Sheet pump form.
Fig. 2 is the flow graph under the independent cold-storage operating mode of the utility model embodiment Series Sheet pump form.
Fig. 3 is the flow graph under the ice-melt cooling operating mode of the utility model embodiment Series Sheet pump form.
Fig. 4 is the flow graph under the cold machine cooling operating mode of the utility model embodiment Series Sheet pump form.
Fig. 5 is the flow graph under the associating cooling operating mode of the utility model embodiment Series Sheet pump form.
Fig. 6 is the connect connection layout of double pump form of the utility model embodiment.
Fig. 7 is the connection layout of the utility model embodiment mono heat exchanger form in parallel.
Fig. 8 is the flow graph under the independent cold-storage operating mode of the utility model embodiment mono heat exchanger form in parallel.
Fig. 9 is the flow graph under the ice-melt cooling operating mode of the utility model embodiment mono heat exchanger form in parallel.
Figure 10 is the flow graph under the cold machine cooling operating mode of the utility model embodiment mono heat exchanger form in parallel.
Figure 11 is the flow graph under the associating cooling operating mode of the utility model embodiment mono heat exchanger form in parallel.
Figure 12 is the connection layout of the utility model embodiment double heat exchanger form in parallel.
Figure 13 is the flow graph under the independent cold-storage operating mode of the utility model embodiment double heat exchanger form in parallel.
Figure 14 is the flow graph under the ice-melt cooling operating mode of the utility model embodiment double heat exchanger form in parallel.
Figure 15 is the flow graph under the cold machine cooling operating mode of the utility model embodiment double heat exchanger form in parallel.
Figure 16 is the flow graph under the associating cooling operating mode of the utility model embodiment double heat exchanger form in parallel.
The specific embodiment
Further specify the concrete structure of the present utility model and the course of work below in conjunction with accompanying drawing:
The operation of the refrigeration unit that is connected with integrated ice groove heat exchange unit can be divided into air-conditioning and two kinds of operating modes of ice-reserving.When refrigeration unit is operated in air conditioning condition and ice-reserving operating mode respectively, refrigerating medium drives by one or more coolant pump, magnetic valve, heat exchanger and ice-reserving cell body by refrigeration unit, electric control valve, unlatching, the cold of refrigeration unit manufacturing is discharged in air conditioner water or the ice trough inner water medium, to realize four kinds of operational modes of ice-reserving, ice-melt cooling, the independent cooling of cold machine and cold machine and ice groove associating cooling.
Multi-form according to ice storage system, ice groove heat exchange unit can be divided into Series Sheet pump, polyphone double pump, mono heat exchanger in parallel and double heat exchanger in parallel four classes.Embodiment 1: the integrated ice groove of Series Sheet pump form heat exchange unit:
The connection layout of the integrated ice groove of Fig. 1 heat exchange unit Series Sheet pump form.
The electric cabinet 5 of ice-reserving cell body 10, coolant pump 3, heat exchanger 1, electric control valve 2 and 7, magnetic valve 6 and 8, refrigerating medium expansion tank 4, automatically controlled integrated system and connecting line are concentrated in the housing 9 that is contained in, left the evaporimeter refrigerating medium connector a1, the a2 that connect refrigeration unit on the housing and be connected air conditioner user chilled water system connector b1, b2.Equipment in the unit and external evaporator of refrigerator constitute a refrigerating medium loop.
(a) when ice-storage system operates in the ice-reserving pattern (as shown in Figure 2), external refrigerator operation is in the ice-reserving operating mode; Magnetic valve 6 and electric control valve 2 in the unit are closed, and magnetic valve 8 and electric control valve 7 are opened.After absorbing cold, the evaporimeter of refrigerating medium through flow into refrigeration machine after coolant pump 3 pressurizations from connector a1 return heat-exchanger rig from connector a2, flow into ice making in the ice-reserving cell body 10 then, behind the released cold quantity, return coolant pump 3 through electric control valve 7 and magnetic valve 8 again, enter next circulation.
(b) when ice-storage system operates in ice-melt cooling pattern (as shown in Figure 3), external refrigeration machine quits work; Coolant pump 3 operations in the unit, magnetic valve 8 cuts out, and magnetic valve 6 is opened, and electric control valve 2 and 7 respectively is opened to certain aperture, and control enters the temperature of the refrigerating medium of heat exchanger 1.Return from connector a2 behind the evaporimeter of refrigerating medium through flow into refrigeration machine after coolant pump 3 pressurizations from connector a1, flow into then 10 ice-melts of ice-reserving cell body get cold after, mix with the refrigerating medium of coming after magnetic valve 6 returns coolant pump 3 after entering heat exchanger 1 cooling air conditioning water through electric control valve 7 again, enter next circulation by electric control valve 2 bypass.
(c) when ice-storage system operates in the independent cooling pattern of cold machine (as shown in Figure 4), refrigerator operation is in air conditioning condition; Coolant pump 3 operations, electric control valve 7 cuts out with magnetic valve 8, and electric control valve 2 is opened with magnetic valve 6.Return from connector a2 after refrigerating medium flows into refrigeration machine through coolant pump 3 pressurization back from connector a1 evaporimeter absorbs cold, enter through electric control valve 2 and magnetic valve 6 then and return coolant pump 3 after heat exchanger 1 cools off air conditioning water, enter next circulation.
(d) when ice-storage system operates in cold machine with ice groove associating cooling pattern (as shown in Figure 5), refrigerator operation is in air conditioning condition; Coolant pump 3 operations in the unit, magnetic valve 8 cuts out, and magnetic valve 6 is opened, and electric control valve 2 and 7 respectively is opened to certain aperture, and control enters the temperature of the refrigerating medium of heat exchanger 1.After absorbing cold, the evaporimeter of refrigerating medium through flow into refrigeration machine after coolant pump 3 pressurizations from connector a1 return from connector a2, flow into then 10 ice-melts of ice-reserving cell body get cold after, mix with the refrigerating medium of coming after magnetic valve 6 returns coolant pump 3 after entering heat exchanger 1 cooling air conditioning water through electric control valve 7 again, enter next circulation by electric control valve 2 bypass.Embodiment 2: the integrated ice groove of series connection double pump form heat exchange unit:
Fig. 6 is the connection layout of the integrated ice groove of series connection double pump form of the present utility model heat exchange unit.
For the integrated ice groove of Series Sheet pump form heat exchange unit as shown in Figure 1, the integrated ice groove of series connection double pump form heat exchange unit is set up a coolant pump 11 on the inlet pipeline of heat exchanger 1 on the basis of the integrated ice groove of Series Sheet pump form heat exchange unit, its objective is by coolant pump 3 and be responsible for overcoming the resistance of refrigerating medium in evaporator of refrigerator and ice groove refrigerating medium passage, and be responsible for overcoming resistance in the heat exchanger 1 refrigerating medium passage by coolant pump 11.When coolant pump 3 was operated in different mode like this, the variation of its resistance was not very big, not only helped the type selecting of coolant pump 3 and pump 11, and helped the reliability service of whole unit.
Under various operational modes, refrigerating medium flows to embodiment 1.Embodiment 3: the integrated ice groove of mono heat exchanger form in parallel heat exchange unit:
Fig. 7 is the connection layout of the integrated ice groove of mono heat exchanger form in parallel of the present utility model heat exchange unit.
Compare with the integrated ice groove of series connection double pump form heat exchange unit shown in Figure 6 with the integrated ice groove of Series Sheet pump form heat exchange unit shown in Figure 1, in order to solve under the ice groove independent cooling pattern drag losses unnecessary in evaporimeter, and improve the cold machine of ice groove and unite the inlet temperature of icing groove under the cooling pattern, improve the ice groove and get the cooling rate rate, change the original ice groove and the series arrangement of heat exchanger into parallel-connection structure.
(a) when ice-storage system operates in the ice-reserving pattern (as shown in Figure 8), external refrigerator operation is in the ice-reserving operating mode; Magnetic valve 6 and electric control valve 7 are closed in the unit, and magnetic valve 8 and electric control valve 2 are opened, coolant pump 3 operations, and coolant pump 11 is closed.Refrigerating medium flows to ice making the ice-reserving cell body 10 after connector a2 returns through coolant pump 3 pressurization back flows to the evaporimeter absorption cold of external refrigeration machine from connector a1 after, behind the released cold quantity, return coolant pump 3 by electric control valve 2 and magnetic valve 8 successively again, enter next circulation.
(b) when ice-storage system operates in ice-melt cooling pattern (as shown in Figure 9), external refrigeration machine is out of service.Coolant pump 3 and magnetic valve 8 in the unit are closed, coolant pump 11 operations, and magnetic valve 6 is opened, and electric control valve 2 and 7 respectively is opened to certain aperture, and control enters the temperature of the refrigerating medium of heat exchanger 1.The refrigerating medium that flows out from heat exchanger 1 is got cold back and is mixed with the refrigerating medium of coming by electric control valve 7 bypass through flowing to the ice-reserving cell body 10 ice-melt behind the electric control valve 2, passes through magnetic valve 6 and coolant pump 11 again, flows back to heat exchanger 1, enters next circulation.
(c) when ice-storage system operates in the independent cooling pattern of cold machine (as shown in figure 10), external refrigerator operation is in air conditioning condition; Electric control valve 2 and 7 in the unit cuts out, magnetic valve 6 and 8 and coolant pump 3 and 11 all open.Refrigerating medium flows into the evaporimeter of external refrigeration machine from connector a1 after coolant pump 3 pressurizations, return from connector a2 after absorbing cold, then by magnetic valve 6, after coolant pump 11 pressurizations, enter heat exchanger 1 and carry out heat exchange with air conditioner water, after cold passed to air conditioner water, return coolant pump 3 through magnetic valve 8 again and enter next circulation.
(d) when ice-storage system operates in cold machine with ice groove associating cooling pattern (as shown in figure 11), external refrigerator operation is in air conditioning condition; Magnetic valve 6 and 8 in the heat-exchanger rig is opened, and coolant pump 3 and 11 all puts into operation, and electric control valve 2 and 7 all is opened to certain aperture and controls the refrigerant temperature that enters heat exchanger 1.The higher refrigerating medium of temperature that is come out by heat exchanger 1 is divided into three tunnel: one tunnel process magnetic valve 8 by the evaporimeter of coolant pump 3 pressurizations from connector a1 inflow refrigeration machine, returns from connector a2 behind the absorption cold; Another road is got cold by ice-melt in the electric control valve 2 inflow ice-reserving cell bodies 10; Third Road directly from the electric control valve 7 bypass come; Send into heat exchanger 1 after three tunnel refrigerating mediums that converge are pressurizeed by coolant pump 11 through magnetic valve 6 and enter next circulation.Embodiment 4: the integrated ice groove of double heat exchanger form in parallel heat exchange unit:
Figure 12 is the connection layout of the integrated ice groove of double heat exchanger form in parallel of the present utility model heat exchange unit.
Compare with the integrated ice groove of mono heat exchanger form in parallel shown in Figure 7 heat exchange unit with the integrated ice groove of Series Sheet pump form heat exchange unit shown in Figure 1, the integrated ice groove of series connection double pump form heat exchange unit shown in Figure 6, can satisfy apolegamy under the various operating modes for ease of the coolant pump pressure head, improve under ice groove and the cold machine associating cooling pattern and get cold reliability, the heat exchanger that both are public is separated into two heat exchangers, constitutes the double heat exchanger parallel system.The integrated ice groove of double heat exchanger form in parallel heat exchange unit has the heat exchanger 1 and 13 of two parallel connections, makes refrigeration machine cooling and ice groove cooling use separately independently heat exchanger.
(a) when ice-storage system operates in the ice-reserving pattern (as shown in figure 13), external refrigerator operation is in the ice-reserving operating mode; Magnetic valve 8 is opened, magnetic valve 6 with 12 and electric control valve 2 and 7 and the air-condition freezing water loop in magnetic valve 14 and 15 all close, coolant pump 11 is out of service, coolant pump 3 is moved.After absorbing cold, the evaporimeter of refrigerating medium through flow into external refrigeration machine after coolant pump 3 pressurizations from connector a1 return from connector a2, again by magnetic valve 8 after go into ice making in the ice-reserving cell body 10, the refrigerating medium behind the released cold quantity flows to coolant pump 3 again and enters next circulation.
(b) when ice-storage system operates in ice-melt cooling pattern (as shown in figure 14), external refrigeration machine is out of service, and refrigerating medium carries out heat exchange by heat exchanger 1 and air conditioner water.At this moment, magnetic valve 8,12,14 and coolant pump 3 are closed, magnetic valve 6 and 15 and coolant pump 11 open, electric control valve 2 and 7 respectively is opened to certain aperture, control enters the refrigerant temperature of heat exchanger 1.Getting cold back from refrigerating medium process electric control valve 2 back inflow ice-reserving cell bodies 10 ice-melts of heat exchanger 1 outflow mixes with the refrigerating medium of coming by electric control valve 7 bypass, inflow heat exchanger 1 carries out heat exchange with air conditioning water after magnetic valve 6 is by coolant pump 11 pressurizations, enters next circulation.Air conditioning water enters unit from connector b1, enters heat exchanger 1 by magnetic valve 15, flows out from connector b2 after obtaining cold.
(c) when ice-storage system operates in the independent cooling pattern of cold machine (as shown in figure 15), external refrigerator operation is in air conditioning condition, and refrigerating medium carries out heat exchange by heat exchanger 13 and air conditioner water.At this moment, magnetic valve 12 and 14 is opened, and magnetic valve 6,8,15 and electric control valve 2,7 are all closed; Coolant pump 11 is closed, coolant pump 3 operations.Refrigerating medium, returns from connector a2 after flowing into the evaporimeter absorption cold of external refrigeration machine from connector a1 through coolant pump 3 pressurization back, enters through magnetic valve 12 and returns coolant pump 3 after heat exchanger 13 discharges cold to air conditioner water and enter next circulation.Air conditioning water enters unit from connector b1, enters heat exchanger 13 by magnetic valve 14, goes out from connector b2 after obtaining cold.
(d) when ice-storage system operates in cold machine with ice groove associating cooling pattern (as shown in figure 16), external refrigerator operation is in air conditioning condition, and refrigerating medium is respectively by two closed circuits, respectively by heat exchanger 1 and 13 and air conditioner water carry out heat exchange.At this moment, magnetic valve 8 cuts out, and magnetic valve 6,12,14,15 and electric control valve 2,7 are all opened; Coolant pump 3 and 11 all puts into operation.The refrigerating medium system exists cold machine cooling and ice groove cooling two circulations: refrigerating medium after coolant pump 3 pressurizations from connector a1, return from connector a2 after the evaporimeter that flows into external refrigeration machine absorbs cold, enter through magnetic valve 12 again and return coolant pump 3 after heat exchanger 13 discharges cold to air conditioner water and enter next circulation.Getting cold back from refrigerating medium process electric control valve 2 back inflow ice-reserving cell bodies 10 ice-melts of heat exchanger 1 outflow mixes with the refrigerating medium of coming by electric control valve 7 bypass, inflow heat exchanger 1 carries out heat exchange with air conditioning water after magnetic valve 6 is by coolant pump 11 pressurizations, enters next circulation.Air conditioning water is entered by connector b1 and divides two branch roads behind the unit, and a branch road enters heat exchanger 1 by magnetic valve 15, and another branch road enters heat exchanger 13 by magnetic valve 14, converges from connector b2 after obtaining cold.
Claims (7)
1. integrated ice groove heat exchange unit, it is characterized in that: the electric cabinet that is furnished with ice-reserving cell body, coolant pump, heat exchanger, refrigerating medium expansion tank, electric control valve, magnetic valve, connecting line and automatically controlled integrated system is housed in a casing is furnished with refrigerating medium pipe interface that is connected with refrigeration machine and the pipe interface that is connected with air conditioning water system on casing.
2. according to the described a kind of integrated ice groove heat exchange unit of claim 1, it is characterized in that: arrange a coolant pump and a heat exchanger in the described casing, ice groove and heat exchanger adopt arranged in series.
3. according to the described a kind of integrated ice groove heat exchange unit of claim 1, it is characterized in that: arrange two coolant pump and a heat exchanger in the described casing, described ice groove and heat exchanger adopt arranged in series.
4. according to the described a kind of integrated ice groove heat exchange unit of claim 3, it is characterized in that: described ice groove and heat exchanger adopt and are arranged in parallel.
5. according to the described a kind of integrated ice groove heat exchange unit of claim 1, it is characterized in that: arrange two coolant pump and two heat exchangers in the described casing, described two heat exchangers adopt in parallel.
6. according to the described a kind of integrated ice groove heat exchange unit of arbitrary claim among the claim 1-5, it is characterized in that: described heat exchanger adopts any in plate type heat exchanger, double pipe heat exchanger or the shell and tube exchanger.
7. according to the described a kind of integrated ice groove heat exchange unit of arbitrary claim among the claim 1-5, it is characterized in that: described ice-reserving cell body can adopt any the interior ice-melt ice groove in snake type coiled Ice Storage Tank, cylinder type coiled Ice Storage Tank, U type vertical disc tubular type Ice Storage Tank or the ice ball type Ice Storage Tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235888 CN2551913Y (en) | 2002-05-17 | 2002-05-17 | Integrated ice tank heat exchanger set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02235888 CN2551913Y (en) | 2002-05-17 | 2002-05-17 | Integrated ice tank heat exchanger set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2551913Y true CN2551913Y (en) | 2003-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02235888 Expired - Fee Related CN2551913Y (en) | 2002-05-17 | 2002-05-17 | Integrated ice tank heat exchanger set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2551913Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882977A (en) * | 2019-03-21 | 2019-06-14 | 北京超腾智慧能源科技股份有限公司 | A kind of electrodynamic type water cooling summer ice-storage air-conditioning system |
-
2002
- 2002-05-17 CN CN 02235888 patent/CN2551913Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882977A (en) * | 2019-03-21 | 2019-06-14 | 北京超腾智慧能源科技股份有限公司 | A kind of electrodynamic type water cooling summer ice-storage air-conditioning system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |