CN214194741U - Integrated accurate constant temperature water system - Google Patents
Integrated accurate constant temperature water system Download PDFInfo
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- CN214194741U CN214194741U CN202023146241.7U CN202023146241U CN214194741U CN 214194741 U CN214194741 U CN 214194741U CN 202023146241 U CN202023146241 U CN 202023146241U CN 214194741 U CN214194741 U CN 214194741U
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Abstract
The utility model discloses an integrated accurate thermostatted water system, including host computer, integrated form indirect heating equipment, water supply equipment and target equipment. The integrated heat exchange equipment comprises a base chassis, wherein a plate heat exchanger, a first closed water tank and a second closed water tank are arranged on the base chassis, the plate heat exchanger is communicated with the first closed water tank through a first water outlet pipe on the primary side, the plate heat exchanger is communicated with a host through a water inlet pipe on the primary side, and the first closed water tank is communicated with the host through a second water outlet pipe on the primary side. The plate heat exchanger is communicated with a water outlet of the second closed water tank through a secondary side water inlet pipe. The primary side second water outlet pipe is provided with a first water pump, the secondary side water inlet pipe is provided with a second water pump, and the primary side water inlet pipe is provided with a proportion adjusting three-way valve. Compared with the prior art, the utility model, can eliminate the influence of system's difference in height to the water tank to can enlarge temperature control range, improve the temperature regulation and control precision. Meanwhile, the device has the advantages of small occupied area and centralized and easily managed equipment.
Description
Technical Field
The utility model relates to a temperature regulation and control equipment technical field especially relates to an integrated accurate constant temperature water system.
Background
Constant temperature water systems are a process often used in modern industry, which usually uses an open water tank, which is connected to the atmosphere, and the inside of the water tank is more likely to contact bacteria and impurities, and cannot be used in pressure-bearing systems. The height of the open water tank is limited, and when the number of stories of a higher building is higher and far away from a heat source or supplying heat for high-temperature water, the erection height of the open expansion water tank is difficult to meet the requirement.
Referring to fig. 2, an open circulating water system commonly used in the prior art includes an open water tank, a main unit and a water pump, the open water tank and the water pump are communicated with each other, a water inlet of the open water tank is communicated with a water supply device, a water outlet of the water tank is communicated with a water inlet of the main unit through a water pipe, and a water outlet pipe of the main unit is communicated with a target device (namely, a cooling device) through a water pipe. The water supply equipment supplies warm water to the system, the warm water flows into the host machine under the pumping pressure action of the water pump, and the cold water flows into the target equipment after the host machine is cooled. Because there is the difference in height between target equipment and the water tank for whole system becomes complicated, and system area is big, and equipment dispersion is difficult to manage, and the control accuracy of host computer itself is 2 ~ 4 ℃, and the temperature regulation and control precision is not high, and the temperature of intaking of host computer once surpasss 15 ℃, and the regulation and control precision can further descend.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrated accurate constant temperature water system can eliminate the influence of system's difference in height to the water tank, and system area is less, and easy management is concentrated to equipment to can improve temperature regulation and control precision.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an integrated precise constant-temperature water system comprises a host, integrated heat exchange equipment, water supply equipment and target equipment, wherein the integrated heat exchange equipment comprises a base chassis, a plate heat exchanger, a first closed water tank and a second closed water tank are arranged on the base chassis, a primary water outlet end of the plate heat exchanger is communicated with a water inlet of the first closed water tank through a primary side first water outlet pipe, a primary water inlet end of the plate heat exchanger is communicated with a water outlet of the host through a primary side water inlet pipe, and a water outlet of the first closed water tank is communicated with a water inlet of the host through a primary side second water outlet pipe; the secondary water inlet end of the plate heat exchanger is communicated with a water outlet of a second closed water tank through a secondary side water inlet pipe, the secondary water outlet end of the plate heat exchanger is communicated with target equipment through a secondary side water outlet pipe, and a water inlet of the second closed water tank is communicated with water supply equipment through a pipeline; a first water pump is arranged on the primary side second water outlet pipe, and a second water pump is arranged on the secondary side water inlet pipe; a proportional control three-way valve is arranged on the primary side water inlet pipe to improve the adjustment precision of the system; and a water supplementing and pressure stabilizing system is further arranged on the basic chassis so as to realize automatic water supplementing and pressure stabilizing of the system.
Further setting the following steps: the proportion regulation three-way valve is a flow divider, a first water outlet of the proportion regulation three-way valve is communicated with a primary side water inlet end of the plate heat exchanger, and a second water outlet of the proportion regulation three-way valve is communicated with a primary side first water outlet pipe through a bypass pipe.
Further setting the following steps: the primary side water inlet pipe is provided with a first temperature sensing bulb, the primary side water inlet pipe is provided with a second temperature sensing bulb, the secondary side water outlet pipe is provided with a third temperature sensing bulb, the secondary side water inlet pipe is provided with a fourth temperature sensing bulb, and the first temperature sensing bulb, the second temperature sensing bulb, the third temperature sensing bulb and the fourth temperature sensing bulb are in control connection with the proportional control three-way valve.
Further setting the following steps: the proportion adjusting three-way valve is connected with a PID controller.
Further setting the following steps: the water supplementing and pressure stabilizing system comprises a first bag type expansion tank, a second bag type expansion tank, a first electric connection pressure gauge, a second electric connection pressure gauge, a water supplementing water tank and a water supplementing water pump which are communicated with each other; the water replenishing water tank is communicated with the first closed water tank through a first water replenishing water pipe, and the water replenishing water tank is communicated with the second closed water tank through a second water replenishing water pipe; the first two-bag expansion tank is communicated with the second closed water tank; the first electric pressure meter is connected with the first closed water tank, and the second electric pressure meter is connected with the second closed water tank.
Further setting the following steps: the first water replenishing water pipe and the second water replenishing water pipe are both provided with stop valves.
Further setting the following steps: the first electric pressure gauge and the second electric pressure gauge are normally open pressure gauges.
Further setting the following steps: and a 485 interface system controller is arranged in the host.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the system adopts the closed water tank, has eliminated the influence of system's difference in height to the water tank, and the closed water tank can be placed in any height, adapts to the different demands of user's actual installation, has reduced environmental constraint condition, and integrated form indirect heating equipment has assembled into an integral unit simultaneously, can the integral erection, and system area is less, and the equipment is concentrated easy management.
(2) Compared with the prior art, the proportion of the primary side inflow water flow and the bypass pipe water flow of the plate heat exchanger is adjusted by controlling the valve opening of the proportional control three-way valve so as to control the outlet water temperature, thereby expanding the adjusting range of the system water temperature, increasing the temperature from 15 ℃ to more than 30 ℃, simultaneously improving the temperature adjusting precision, and increasing the precision from 2-4 ℃ to 0.1 ℃.
(3) The first electric pressure meter and the second electric pressure meter respectively monitor the suction stroke pressure of the first water pump and the suction stroke pressure of the second water pump, and the water replenishing water pump is opened and closed according to the actual suction stroke pressure of the primary side and the secondary side and the target pressure value, so that the automatic water replenishing and pressure stabilizing of the system are realized.
(4) The closed water tank reduces the corrosion of water to metal, and meanwhile, the system reduces the wet exchange of water to ambient air and reduces the influence of water vapor on ambient equipment and buildings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of an open circulating water system in the prior art.
Reference numerals:
1. host 2, water supply equipment 3, target equipment
4. Integrated heat exchange equipment 5, plate heat exchanger 6 and first closed water tank
7. A second closed water tank 8, a primary side first water outlet pipe 9, a primary side water inlet pipe
10. A primary side second water outlet pipe 11, a secondary side water inlet pipe 12 and a secondary side water outlet pipe
13. First water pump 14, second water pump 15, proportion regulation three-way valve
16. A first bag type expansion tank 17, a second bag type expansion tank 18, a first electric pressure meter
19. The second electric connection pressure gauge 20, a water replenishing water tank 21 and a water replenishing pump
22. First moisturizing water pipe 23, second moisturizing water pipe 24, stop valve
25. Bypass pipe T1, first bulb T2, second bulb
T3, a third bulb T4 and a fourth bulb
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, for the utility model discloses an integrated accurate thermostatted water system, including host computer 1, integrated form indirect heating equipment 4, water supply equipment 2 and target device 3, integrated form indirect heating equipment 4 includes basic chassis, be equipped with plate heat exchanger 5 on the basic chassis, first closed water tank 6 and second closed water tank 7, the water inlet of side first outlet pipe 8 intercommunication first closed water tank 6 of side water outlet end of plate heat exchanger 5, the side water inlet end of plate heat exchanger 5 is through the delivery port of side inlet tube 9 intercommunication host computer 1, the delivery port of first closed water tank 6 is through the water inlet of side second outlet pipe 10 intercommunication host computer 1. The secondary side water inlet end of the plate type heat exchanger 5 is communicated with the water outlet of the second closed water tank 7 through a secondary side water inlet pipe 11, the secondary side water outlet end of the plate type heat exchanger 5 is communicated with the target equipment 3 through a secondary side water outlet pipe 12, and the water inlet of the second closed water tank 7 is communicated with the water supply equipment 2 through a pipeline. A first water pump 13 is arranged on the primary side second water outlet pipe 10, and a second water pump 14 is arranged on the secondary side water inlet pipe 11. A485 interface system controller is arranged in the host 1, so that the operation temperature of the host 1 can be set according to the target water temperature.
The water supply device 2 supplies warm water to the system, and cold water is supplied to the target device 3 through the cooling effect of the main machine 1 and the cold quantity transfer effect of the plate type heat exchanger 5.
The first closed water tank 6 calculates the water volume according to the water temperature precision required in the shutdown time, thereby ensuring the minimum operation time of the unit. The second closed water tank 7 calculates the water volume thereof according to the water temperature precision required in the downtime, thereby ensuring that the water temperature fluctuates in the design range.
The primary side water inlet pipe 9 is provided with a proportional control three-way valve 15, the proportional control three-way valve 15 is a flow dividing valve, a first water outlet of the proportional control three-way valve is communicated with a primary side water inlet end of the plate heat exchanger 5, and a second water outlet of the proportional control three-way valve is communicated with a primary side first water outlet pipe 8 through a bypass pipe 25. The proportion of the primary side inflow water flow and the bypass pipe water flow of the plate heat exchanger 5 is adjusted by controlling the valve opening of the proportional control three-way valve 15, so that the outlet water temperature is controlled, the adjusting range of the system water temperature is improved, and the adjusting precision of the unit is improved.
The primary side second water outlet pipe 10 is provided with a first temperature sensing bulb T1 for monitoring the primary side water outlet temperature in real time. And a second temperature sensing bulb T2 is arranged on the primary side water inlet pipe 9 and used for monitoring the temperature of the primary side water inlet in real time. And a third temperature sensing bulb T3 is arranged on the secondary side water outlet pipe 12 and is used for monitoring the temperature of the secondary side water outlet in real time. And a fourth temperature sensing bulb T4 is arranged on the secondary side water inlet pipe 11 and is used for monitoring the temperature of the secondary side water inlet. The first temperature sensing bulb T1, the second temperature sensing bulb T2, the third temperature sensing bulb T3 and the fourth temperature sensing bulb T4 are all in control connection with a proportional control three-way valve 15, and the proportional control three-way valve 15 is connected with a PID controller.
Still be equipped with moisturizing level pressure system on the basis chassis, moisturizing level pressure system includes first bag formula expansion tank 16, second bag formula expansion tank 17, first electricity connects manometer 18, second electricity connects manometer 19, the moisturizing water tank 20 and the moisturizing water pump 21 that communicate each other, moisturizing water tank 20 communicates first closed water tank 6 through first moisturizing water pipe 22, moisturizing water tank 20 communicates second closed water tank 7 through second moisturizing water pipe 23, the water inlet department of moisturizing water tank 20 communicates water supply equipment 2 through the pipeline. The first bag-type expansion tank 16 is communicated with the first closed water tank 6, and the second bag-type expansion tank 17 is communicated with the second closed water tank 7. The first electric connection pressure gauge 18 is connected with the first closed water tank 6, the second electric connection pressure gauge 19 is connected with the second closed water tank 7, and the first electric connection pressure gauge 18 and the second electric connection pressure gauge 19 are normally open pressure gauges.
The automatic expansion and contraction of the expansion tank air bags of the first bag type expansion tank 16 and the second bag type expansion tank 17 can play a certain buffering role in the change of the water pressure, and the stability of the water pressure of the system can be ensured. The first electric pressure meter 18 and the second electric pressure meter 19 respectively monitor the suction lift pressure of the first water pump 13 and the second water pump 14, the water replenishing water pump 21 is switched on and off according to the actual suction lift pressure of the primary side and the secondary side and the target pressure value, and if the actual suction lift pressure is lower than the target pressure value, the water replenishing water pump 21 is switched on for replenishing water; and if the actual suction pressure is higher than the target pressure value, closing the water replenishing pump 21 and stopping water replenishing.
First moisturizing water pipe 22 with all be equipped with stop valve 24 on the second moisturizing water pipe 23, realize in time moisturizing to first closed water tank 6 and second closed water tank 7 through the switching of control stop valve 24.
The utility model discloses a theory of operation and beneficial effect do:
the water supply device 2 supplies warm water to the system, warm water with a certain volume is stored in the second closed water tank 7, the warm water stored in the second closed water tank 7 is sent into the plate heat exchanger 5 through the secondary side water inlet pipe 11 by the second water pump 14, the warm water flows out from the primary side water outlet end of the plate heat exchanger 5, enters the first closed water tank 6, and then enters the host 1 under the pump pressure of the first water pump 13. Through the cooling effect of the main machine 1, cold water flows out from the water outlet of the main machine 1 and flows into the plate heat exchanger 5 through the primary side water inlet pipe 9. The plate heat exchanger 5 transfers the cold energy of the primary side to the secondary side to realize the supply of cold water to target equipment.
The first temperature sensing bulb T1, the second temperature sensing bulb T2, the third temperature sensing bulb T3 and the fourth temperature sensing bulb T4 respectively monitor the water temperatures of the primary side water outlet end, the primary side water inlet end, the secondary side water outlet end and the secondary side water inlet end in real time, real-time water temperature data are transmitted to the PID controller, the PID controller controls the opening degree of a valve of the proportional control three-way valve 15, the proportion of the primary side inlet water flow of the plate type heat exchanger 5 to the bypass pipe water flow is adjusted, and therefore the outlet water temperature is controlled.
If the secondary side outlet water temperature monitored by the third temperature sensing bulb T3 is higher than the target water temperature, the valve opening degree of the primary side inlet pipe 9 connected with the proportional control three-way valve 15 is increased, the valve opening degree of the connecting bypass pipe is reduced, namely, the primary side inlet water flow passing through the plate heat exchanger 5 is increased, and the water flow passing through the bypass pipe is reduced, so that the temperature is reduced. According to the degree of the secondary side outlet water temperature reduction, the PID controller adjusts the valve opening of the proportional control three-way valve 15, so that the outlet water temperature quickly reaches a control target, and the control target is limited within an allowable range. If the temperature of the primary side inlet water monitored by the second bulb T2 increases more rapidly, the primary side inlet water flow through the plate heat exchanger 5 is also increased, and the water flow through the bypass pipe is decreased. If the secondary side inlet water temperature monitored by the fourth thermal bulb T4 is increased too fast, and the heating rate in unit time is greater than the control target value, the system load is large, at the moment, the primary side inlet water flow passing through the plate heat exchanger 5 needs to be reduced, the water flow passing through the bypass pipe needs to be increased, the bypass water flow needs to be increased, the primary side inlet water flow passing through the plate heat exchanger needs to be reduced, and the delay lag influence of the system is eliminated.
The utility model discloses an adopt the closed water tank, eliminated the influence of system's difference in height to the water tank, the closed water tank can be placed in any height, adapts to the different demands of user's actual installation, has reduced environmental restriction condition, and integrated form indirect heating equipment has assembled into a whole unit simultaneously, can the integral erection, and system area is less, and the equipment is concentrated easy management. The water temperature adjusting range of the system is expanded, and the temperature adjusting precision is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides an integrated accurate constant temperature water system, includes host computer (1), integrated form indirect heating equipment (4), water supply equipment (2) and target device (3), its characterized in that: the integrated heat exchange equipment (4) comprises a base chassis, wherein a plate heat exchanger (5), a first closed water tank (6) and a second closed water tank (7) are arranged on the base chassis, a primary water outlet end of the plate heat exchanger (5) is communicated with a water inlet of the first closed water tank (6) through a primary side first water outlet pipe (8), a primary water inlet end of the plate heat exchanger (5) is communicated with a water outlet of the host (1) through a primary side water inlet pipe (9), and a water outlet of the first closed water tank (6) is communicated with a water inlet of the host (1) through a primary side second water outlet pipe (10); the secondary water inlet end of the plate heat exchanger (5) is communicated with a water outlet of a second closed water tank (7) through a secondary side water inlet pipe (11), the secondary water outlet end of the plate heat exchanger (5) is communicated with target equipment (3) through a secondary side water outlet pipe (12), and a water inlet of the second closed water tank (7) is communicated with water supply equipment (2) through a pipeline; a first water pump (13) is arranged on the primary side second water outlet pipe (10), and a second water pump (14) is arranged on the secondary side water inlet pipe (11); a proportion adjusting three-way valve (15) is arranged on the primary side water inlet pipe (9) to improve the adjusting precision of the system; and a water supplementing and pressure stabilizing system is further arranged on the basic chassis so as to realize automatic water supplementing and pressure stabilizing of the system.
2. An integrated precision constant temperature water system as claimed in claim 1, wherein: the proportion regulation three-way valve (15) is a flow divider, a first water outlet of the proportion regulation three-way valve is communicated with a primary side water inlet end of the plate heat exchanger (5), and a second water outlet of the proportion regulation three-way valve is communicated with a primary side first water outlet pipe (8) through a bypass pipe (25).
3. An integrated precision constant temperature water system as claimed in claim 2, wherein: be equipped with first temperature sensing package (T1) on primary side second outlet pipe (10), be equipped with second temperature sensing package (T2) on primary side inlet tube (9), be equipped with third temperature sensing package (T3) on secondary side outlet pipe (12), be equipped with fourth temperature sensing package (T4) on secondary side inlet tube (11), first temperature sensing package (T1), second temperature sensing package (T2), third temperature sensing package (T3) and fourth temperature sensing package (T4) all with proportional control three-way valve (15) control connection.
4. An integrated precision constant temperature water system as claimed in claim 3, wherein: and the proportion adjusting three-way valve (15) is connected with a PID controller.
5. An integrated precision constant temperature water system as claimed in claim 1, wherein: the water supplementing and pressure stabilizing system comprises a first bag type expansion tank (16), a second bag type expansion tank (17), a first electric pressure meter (18), a second electric pressure meter (19), a water supplementing water tank (20) and a water supplementing water pump (21), wherein the water supplementing water tank and the water supplementing water pump are communicated with each other; the water replenishing water tank (20) is communicated with the first closed water tank (6) through a first water replenishing pipe (22), and the water replenishing water tank (20) is communicated with the second closed water tank (7) through a second water replenishing pipe (23); the first bag type expansion tank (16) is communicated with the first closed water tank (6), and the first and second bag type expansion tanks are communicated with the second closed water tank (7); the first electric pressure meter (18) is connected with the first closed water tank (6), and the second electric pressure meter (19) is connected with the second closed water tank (7).
6. An integrated precision constant temperature water system as claimed in claim 5, wherein: and the first water replenishing water pipe (22) and the second water replenishing water pipe (23) are respectively provided with a stop valve (24).
7. An integrated precision constant temperature water system as claimed in claim 5, wherein: the first electric pressure gauge (18) and the second electric pressure gauge (19) are normally open type pressure gauges.
8. An integrated precise constant temperature water system according to any one of claims 1 to 7, wherein: and a 485 interface system controller is arranged in the host (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146241.7U CN214194741U (en) | 2020-12-23 | 2020-12-23 | Integrated accurate constant temperature water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146241.7U CN214194741U (en) | 2020-12-23 | 2020-12-23 | Integrated accurate constant temperature water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214194741U true CN214194741U (en) | 2021-09-14 |
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ID=77656177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023146241.7U Active CN214194741U (en) | 2020-12-23 | 2020-12-23 | Integrated accurate constant temperature water system |
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| Country | Link |
|---|---|
| CN (1) | CN214194741U (en) |
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2020
- 2020-12-23 CN CN202023146241.7U patent/CN214194741U/en active Active
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