CN216683287U - Water supply system applied to multistage cooling system of high polymer pipe - Google Patents
Water supply system applied to multistage cooling system of high polymer pipe Download PDFInfo
- Publication number
- CN216683287U CN216683287U CN202123389889.1U CN202123389889U CN216683287U CN 216683287 U CN216683287 U CN 216683287U CN 202123389889 U CN202123389889 U CN 202123389889U CN 216683287 U CN216683287 U CN 216683287U
- Authority
- CN
- China
- Prior art keywords
- water
- tank
- pipe
- cooling
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A water supply system applied to a polymer pipe multistage cooling system comprises a first water supply structure and a second water supply structure, wherein the first water supply structure can provide cooling water with a certain temperature for a first spraying assembly in a first spraying box, so that the first spraying assembly can perform primary cooling on a pipe by using the cooling water with the certain temperature; and the second water supply structure can provide cooling water with lower temperature for the second spraying assembly in the second spraying box, so that the second spraying assembly can finally cool the pipe, thereby meeting the water supply requirement of a multistage cooling system, realizing the purpose of gradually cooling the pipe by the multistage cooling system, and ensuring the production quality of the pipe.
Description
Technical Field
The utility model relates to the field of pipe production equipment, in particular to a water supply system applied to a multistage cooling system of a high polymer pipe.
Background
The existing pipe production line comprises pipe extrusion equipment, vacuum shaping equipment, pipe cooling equipment, pipe traction equipment, pipe cutting equipment and the like, and pipe production is completed through the processes of extrusion molding, cooling shaping, complete pipe cooling, stretching, cutting and the like. In prior art, tubular product cooling arrangement mostly is directly to the tubular product of vacuum former output through cold water and cools down, because tubular product is behind vacuum former, still has higher temperature on the tubular product, if the cold water of direct utilization lower temperature cools down, the great easy quality to tubular product of difference in temperature causes the damage to influence the life of tubular product.
In order to solve the problems, a multistage cooling system with a first spraying box and a second spraying box is arranged between vacuum shaping equipment and pipe traction equipment, when the multistage cooling system is used, a pipe firstly passes through the first spraying box, the pipe is preliminarily cooled through cooling water with a certain temperature, then the pipe enters the second spraying box, the pipe is finally cooled through cold water, the purpose of gradually cooling the pipe is achieved, the problem that the temperature difference caused by direct cooling treatment of the pipe through the cold water is large and the quality of pipe processing is influenced is avoided, and the purposes of improving the production quality of the pipe and prolonging the service life of the pipe are achieved. However, the existing water supply system can only provide cold water for spray cooling, and cannot be matched with the function of the improved multi-stage cooling system, so that the development of a water supply system matched with the improved multi-stage cooling system is required to ensure stable and effective use of the multi-stage cooling system.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a water supply system applied to a multistage cooling system of a high polymer pipe.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a be applied to water supply system on multistage cooling system of polymer tubular product which characterized in that: the water temperature control device comprises a first water supply structure and a second water supply structure, wherein the first water supply structure comprises a first water tank and a first input device used for conveying cooling water in the first water tank to a first spraying assembly, and a cooling water temperature control device used for keeping the temperature of the cooling water in the first water tank within a preset water temperature range is arranged on the first water tank; the second water supply structure comprises a second water tank positioned on one side of the first water tank and a second input device used for conveying cooling water in the second water tank to the second spraying assembly, and the second water tank is connected with a second water supplementing device used for supplementing water to the second water tank and a first water supplementing device used for inputting the cooling water in the second water tank into the first water tank.
In the utility model, the first input device comprises a first input pipe and a first spray water pump arranged in the first water tank, and one end of the first input pipe is connected with the first spray water pump.
In the utility model, the second input device comprises a second input pipe and a second spray water pump arranged in the second water tank, and one end of the second input pipe is connected with the second spray water pump.
In the utility model, the second water supplementing device comprises a water supplementing tank capable of containing cooling water, a first water supplementing pipe arranged on one side of the water supplementing tank and a first ball float valve for controlling the first water supplementing pipe to discharge the cooling water in the water supplementing tank into the second water tank, one end of the first water supplementing pipe is connected with the water supplementing tank, and the other end of the first water supplementing pipe is correspondingly inserted into the second water tank and is connected with the first ball float valve.
In the utility model, the second water replenishing device also comprises a second water replenishing pipe which can be connected with the tap water pipe and a second ball float valve which controls the second water replenishing pipe to discharge tap water into the water replenishing tank, wherein one end of the second water replenishing pipe is inserted into the water replenishing tank from the top of the water replenishing tank, and the second ball float valve is connected to the second water replenishing pipe and is positioned in the water replenishing tank.
In the utility model, the first water supplementing device comprises a third water supplementing pipe and a third ball float valve for controlling the third water supplementing pipe to discharge cooling water into the first water tank, wherein one end of the third water supplementing pipe is connected with the second water tank, and the other end of the third water supplementing pipe extends into the first water tank and is connected with the third ball float valve positioned in the first water tank.
In the utility model, the cooling water temperature control device comprises a first temperature control module, a heating rod for heating cooling water, a first temperature sensor for detecting the temperature of the cooling water, and a water delivery device for inputting the cooling water in the first water tank into the second water tank.
In the utility model, the water delivery device comprises a cooling water delivery pipe and a cooling water delivery water pump arranged in a first water tank, wherein one end of the cooling water delivery pipe is connected with the cooling water delivery water pump, and the other end of the cooling water delivery pipe is connected with a second water tank; the heating rod, the first temperature sensor and the cooling water conveying water pump are all connected with the first temperature control module.
In the utility model, the second water tank is also connected with a heat exchange device.
The utility model has the beneficial effects that: the water supply system provided by the utility model is provided with a first water supply structure and a second water supply structure, wherein the first water supply structure can provide cooling water with a certain temperature for a first spraying assembly in a first spraying box, so that the first spraying assembly can preliminarily cool the pipe by using the cooling water with the certain temperature; and the second water supply structure can provide cooling water with lower temperature for the second spraying assembly in the second spraying box, so that the second spraying assembly can finally cool the pipe, thereby meeting the water supply requirement of a multistage cooling system, realizing the purpose of gradually cooling the pipe by the multistage cooling system, and ensuring the production quality of the pipe.
Drawings
The utility model is further illustrated by the following figures and embodiments:
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic view showing an internal structure of a first water supply structure;
FIG. 3 is a schematic view showing an internal structure of a second water supply structure;
fig. 4 is a schematic structural diagram of a-a in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Referring to fig. 1-4, a water supply system applied to a multistage cooling system for polymer pipes, the multistage cooling system comprises a first spraying box 1, a first spraying component 10 arranged in the first spraying box 1, a second spraying box 2 arranged on one side of the first spraying box 1, a second spraying component 20 arranged in the second spraying box 2, and a water supply system for cooling water for the first spraying component 10 and the second spraying component 20, wherein conveying devices for supporting and conveying pipes 400 are arranged in the first spraying box 1 and the second spraying box 2. The water supply system comprises a first water supply structure arranged below a first spray tank 1 and a second water supply structure arranged below a second spray tank 2, the first water supply structure comprises a first water tank 3 and a first input device 4 used for conveying cooling water in the first water tank 3 to a first spray assembly 10, a cooling water temperature control device 5 used for keeping the temperature of the cooling water in the first water tank 3 within a preset water temperature range is arranged on the first water tank 3, and the preset water temperature range can be 40-80 degrees or other; the second water supply structure comprises a second water tank 6 positioned on one side of the first water tank 3 and a second input device 7 used for conveying cooling water in the second water tank 6 to the second spraying assembly 20, and the second water tank 6 is connected with a second water supplementing device 8 used for supplementing water to the second water tank 6 and a first water supplementing device 9 used for inputting cooling water in the second water tank 6 into the first water tank 3.
In this embodiment, the bottoms of the first spraying box 1 and the second spraying box 2 are both provided with a support, and the supports are used for lifting the first spraying box 1 and the second spraying box 2. The both ends of first spraying case 1 are equipped with first mouth of pipe and first mouth of pipe respectively, the both ends that the second sprayed case 2 are equipped with the second respectively and advance the mouth of pipe and the second mouth of pipe, the second advances the mouth of pipe and corresponds first mouth of pipe to the tubular product 400 that passes first spraying case 1 can enter into the second sprays in the case 2.
In this embodiment, the first input device 4 includes a first input pipe 41 and a first spray water pump 42 disposed in the first water tank 3, one end of the first input pipe 41 is connected to the first spray water pump 42, and the other end is connected to the first spray assembly 10 through a first water divider. The bottom of the first spraying box 1 is provided with a first recovery pipe 11 for cooling water to flow back to the first water tank 3, and the first input device 4, the first spraying assembly 10, the first spraying box 1, the first recovery pipe 11 and the first water tank 3 are combined to form a cooling water circulating spraying water path, so that the cooling water after spraying the pipe 400 can flow back to the first water tank 3 for recycling.
In this embodiment, the second input device 7 includes a second input pipe 71 and a second spray water pump 72 disposed in the second water tank 6, one end of the second input pipe 71 is connected to the second spray water pump 72, and the other end is connected to the second spray assembly 20 through a cooling water separator 73. Further, a second recovery pipe 21 for cooling water to flow back to the second water tank 6 is arranged at the bottom of the second spraying tank 2, and the second input device 7, the second spraying assembly 20, the second spraying tank 2, the second recovery pipe 21 and the second water tank 6 are combined to form a cooling water circulating spraying water path, so that the cooling water after spraying the pipe 400 can flow back to the second water tank 6 for recycling. In addition, the upper end of the second water tank 6 is opened, so that the cooling water in the second water tank 6 can dissipate heat and reduce temperature.
In a preferred embodiment, the second water replenishing device 8 includes a water replenishing tank 81 capable of containing cooling water, a first water replenishing pipe 82 disposed on one side of the water replenishing tank 81, and a first ball float valve 83 for controlling the first water replenishing pipe 82 to discharge the cooling water in the water replenishing tank 81 into the second water tank 6, wherein the water replenishing tank 81 is located above the second water tank 6, one end of the first water replenishing pipe 82 is connected to the water replenishing tank 81, the other end of the first water replenishing pipe 82 is correspondingly inserted into the second water tank 6 and connected to the first ball float valve 83, and when the water level of the second water tank 6 is lower than a set height, the first ball float valve 83 is automatically opened, so that the cooling water in the water replenishing tank 81 is delivered to the second water tank 6 through the first water replenishing pipe 82.
In this embodiment, the second water replenishing device 8 further includes a second water replenishing pipe 84 connectable to the tap water pipe, a second ball float valve 85 for controlling the second water replenishing pipe 84 to discharge the tap water into the water replenishing tank 81, one end of the second water replenishing pipe 84 is inserted into the water replenishing tank 81 from the top of the water replenishing tank 81, the second ball float valve 85 is connected to the second water replenishing pipe 84 and located in the water replenishing tank 81, a float of the second ball float valve 85 floats on the water surface of the water replenishing tank 81, and a valve of the second ball float valve 85 is connected to the second water replenishing pipe 84; when the water level of the water replenishing tank 81 is lower than the set height, the second ball cock 85 is automatically opened, so that the tap water is input into the water replenishing tank 81 through the second water replenishing pipe 84.
The second water replenishing device 8 with the structure can utilize the water replenishing tank 81 to store cooling water, so that the water replenishing device can supply the cooling water to the second water tank 6 to use under the condition that tap water is cut off, and the stability of adjusting the working water level of the second water tank 6 is ensured; and the water replenishing tank 81 is of a closed tank body structure, so that the volatilization loss of cooling water in the water replenishing tank 81 is small, and the waste of water resources is effectively reduced. In addition, an overflow port is arranged on the water replenishing tank 81, and the overflow port is connected with an overflow pipe 86 communicated with the inside of the second water tank 6 so as to prevent the water level in the water replenishing tank 81 from being too high or the cooling water from being burst to affect the using effect of the water replenishing device.
In a preferred embodiment, the first water supply device 9 includes a third water supply pipe 91 and a third ball float valve 92 for controlling the third water supply pipe 91 to discharge the cooling water into the first water tank 3, and one end of the third water supply pipe 91 is connected to the second water tank 6, and the other end thereof extends into the first water tank 3 and is connected to the third ball float valve 92 located in the first water tank 3. When the water level in the first water tank 3 is lower than the set height, the third ball float 92 is automatically opened, so that the cooling water in the second water tank 6 is input into the first water tank 3 through the third water replenishing pipe 91 for replenishing water.
As a preferred embodiment, a tank access door is arranged on the top of each of the first water tank 3 and the water replenishing tank 81, so that the first water tank 3 and the water replenishing tank 81 can be cleaned and maintained conveniently; be equipped with first drain port 31 on the left side of first water tank 3, the inside bottom surface of first water tank 3 is a first water conservancy diversion inclined plane of downward sloping gradually from the right side to the left to when clearing up first water tank 3, gather sewage to the left end of first water tank 3, discharge on first drain port 31, so that improve cleaning efficiency.
Be equipped with second drain 61 on the right side of second water tank 6, the inside bottom surface of second water tank 6 is a second water conservancy diversion inclined plane of downward sloping gradually from left to right to when clearing up second water tank 6, gather sewage to the right-hand member of second water tank 6, discharge on second drain 61, so that improve cleaning efficiency. In addition, the bottom of the water replenishing tank 81 is provided with a third sewage draining outlet 87, and the output end of the third sewage draining outlet 87 corresponds to the right end of the second water tank 6, so that the sewage drained from the third sewage draining outlet 87 can be directly input into the second water tank 6 and then drained from the second sewage draining outlet 61 of the second water tank 6.
In a preferred embodiment, the output ends of the first water replenishing pipe 82 and the second recovery pipe 21 correspond to the right end of the second water tank 6, and the input end of the second spray pump corresponds to the left end of the second water tank 6, so that the cooling water is precipitated to reduce impurities in the cooling water while the right end of the second water tank 6 flows to the left end of the second water tank 6. Similarly, the output ends of the third water replenishing pipe 91 and the first recycling pipe 11 correspond to the right end of the first water tank 3, and the first spray water pump 42 is located at the left end of the first water tank 3, so that the cooling water can be subjected to impurity precipitation in the process of flowing from the right side to the left side.
In a preferred embodiment, the cooling water temperature control device 5 includes a first temperature control module, a heating rod 51 for heating cooling water, a first temperature sensor 52 for detecting the temperature of the cooling water, and a water delivery device for delivering the cooling water in the first water tank 3 to the second water tank 6, the water delivery device includes a cooling water delivery pipe 53 and a cooling water delivery water pump 54 disposed in the first water tank 3, one end of the cooling water delivery pipe 53 is connected to the cooling water delivery water pump 54, and the other end is connected to the second water tank 6. The heating rod 51, the first temperature sensor 52 and the cooling water delivery pump 54 are all connected with a first temperature control module, which is not shown in the drawing.
When the cooling water temperature control device 5 works, the first temperature control module detects the temperature of the cooling water in the first water tank 3 through the first temperature sensor 52, when the temperature of the cooling water in the first water tank 3 is lower than the preset water temperature range of the first temperature control module, the first temperature control module controls the heating rod 51 to heat the cooling water, and when the temperature of the cooling water is restored to the middle value of the preset water temperature range of the first temperature control module, the heating rod 51 stops working; when the temperature of the cooling water in the first water tank 3 is higher than the preset temperature range, the first temperature control module controls the cooling water delivery pump 54 to deliver the cooling water in the first water tank 3 to the second water tank 6 by the cooling water delivery pump 54, and in the process, the water level of the cooling water in the first water tank 3 gradually decreases to open the third ball float valve 92, so that the cooling water in the second water tank 6 flows into the first water tank 3 to be mixed with the cooling water in the first water tank 3, thereby reducing the temperature of the cooling water in the first water tank 3, and when the temperature of the cooling water is restored to the middle value of the preset temperature range of the first temperature control module, the cooling water delivery pump 54 stops working.
As a preferred embodiment, the second water tank 6 is further connected with a heat exchange device, the heat exchange device includes a second temperature control module, a second temperature sensor 62 for detecting the temperature of cooling water in the second water tank 6, a plate heat exchanger 63 disposed beside the second water tank 6, and a heat exchange water pump 64 disposed in the second water tank 6, the second temperature sensor 62 and the heat exchange water pump 64 are both connected with the second temperature control module, and a water inlet end of the plate heat exchanger 63 is connected with a water outlet end of the heat exchange water pump 64 through a pipeline; the water outlet end of the plate heat exchanger 63 is communicated with the second water tank 6, so that the cooling water cooled by the plate heat exchanger 63 can be conveniently input into the second water tank 6.
When the second temperature sensor 62 detects that the temperature of the water in the second water tank 6 is lower than or equal to a preset threshold value of the second temperature control module, the heat exchange water pump 64 and the plate heat exchanger 63 do not work; when the second temperature sensor 62 detects that the water temperature in the second water tank 6 is higher than the preset threshold value of the second temperature control module, the second temperature control module controls the heat exchange water pump 64 to work, the cooling water in the second water tank 6 is conveyed to the plate heat exchanger 63 to be cooled, the cooling water is cooled by the plate heat exchanger 63 and then flows back to the second water tank 6, the operation is circulated, and when the water temperature is lower than the preset threshold value of the second temperature control module, the heat exchange water pump 64 stops working.
In a preferred embodiment, in order to prevent the first water replenishing device 9 and the second water replenishing device 8 from causing the cooling water of the first water tank 3 or the second water tank 6 to burst due to an unexpected condition, the first water tank 3 is provided with a first highest water level monitoring module 32 for monitoring the highest water level of the first water tank 3, a second highest water level monitoring module 66 for monitoring the highest water level of the second water tank 6 is arranged on the second water tank 6, the first highest water level monitoring module 32 and the second highest water level monitoring module 66 are respectively connected with an alarm device 300, when the first maximum water level monitoring module 32 detects that the water level of the first water tank 3 reaches the maximum water level or when the second maximum water level monitoring module 66 detects that the water level of the second water tank 6 reaches the maximum water level, the alarm device 300 automatically gives an alarm outwards to remind workers of timely treatment, so that the purpose of preventing water from overflowing is achieved.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a be applied to water supply system on multistage cooling system of polymer tubular product which characterized in that: the water supply system comprises a first water supply structure and a second water supply structure, wherein the first water supply structure comprises a first water tank (3) and a first input device (4) used for conveying cooling water in the first water tank (3) to a first spraying assembly (10), and a cooling water temperature control device (5) used for keeping the temperature of the cooling water in the first water tank (3) within a preset water temperature range is arranged on the first water tank (3); the second water supply structure comprises a second water tank (6) located on one side of the first water tank (3), and a second input device (7) used for conveying cooling water in the second water tank (6) to the second spraying assembly (20), wherein the second water tank (6) is connected with a second water supplementing device (8) used for supplementing water to the second water tank (6) and a first water supplementing device (9) used for inputting the cooling water in the second water tank (6) to the first water tank (3).
2. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 1, wherein: the first input device (4) comprises a first input pipe (41) and a first spray water pump (42) arranged in the first water tank (3), and one end of the first input pipe (41) is connected with the first spray water pump (42).
3. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 1, wherein: the second input device (7) comprises a second input pipe (71) and a second spray water pump (72) arranged in the second water tank (6), and one end of the second input pipe (71) is connected with the second spray water pump (72).
4. The water supply system applied to the multistage cooling system for the high polymer pipe material as claimed in claim 1, wherein: the second water supplementing device (8) comprises a water supplementing tank (81) capable of containing cooling water, a first water supplementing pipe (82) arranged on one side of the water supplementing tank (81), and a first ball float valve (83) for controlling the first water supplementing pipe (82) to discharge cooling water in the water supplementing tank (81) into the second water tank (6), one end of the first water supplementing pipe (82) is connected with the water supplementing tank (81), and the other end of the first water supplementing pipe (82) is correspondingly inserted into the second water tank (6) and is connected with the first ball float valve (83).
5. The water supply system applied to the multistage cooling system for the high polymer pipe material as claimed in claim 4, wherein: the second water replenishing device (8) further comprises a second water replenishing pipe (84) connected with the tap water pipe and a second ball float valve (85) for controlling the second water replenishing pipe (84) to discharge tap water into the water replenishing tank (81), one end of the second water replenishing pipe (84) is inserted into the water replenishing tank (81) from the top of the water replenishing tank (81), and the second ball float valve (85) is connected to the second water replenishing pipe (84) and is positioned in the water replenishing tank (81).
6. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 1, wherein: first moisturizing device (9) include third moisturizing pipe (91), control third moisturizing pipe (91) and discharge cooling water third ball-cock assembly (92) in first water tank (3), the one end and the second water tank (6) of third moisturizing pipe (91) are connected, and the other end stretches into in first water tank (3) and is connected with third ball-cock assembly (92) that are located first water tank (3).
7. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 1, wherein: the cooling water temperature control device (5) comprises a first temperature control module, a heating rod (51) used for heating cooling water, a first temperature sensor (52) used for detecting the temperature of the cooling water, and a water delivery device used for inputting the cooling water in the first water tank (3) into the second water tank (6).
8. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 7, wherein: the water delivery device comprises a cooling water delivery pipe (53) and a cooling water delivery water pump (54) arranged in the first water tank (3), one end of the cooling water delivery pipe (53) is connected with the cooling water delivery water pump (54), and the other end of the cooling water delivery pipe is connected with the second water tank (6); the heating rod (51), the first temperature sensor (52) and the cooling water conveying water pump (54) are all connected with the first temperature control module.
9. The water supply system applied to the multistage cooling system of the high polymer pipe material according to claim 1, wherein: the second water tank (6) is also connected with a heat exchange device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389889.1U CN216683287U (en) | 2021-12-29 | 2021-12-29 | Water supply system applied to multistage cooling system of high polymer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123389889.1U CN216683287U (en) | 2021-12-29 | 2021-12-29 | Water supply system applied to multistage cooling system of high polymer pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683287U true CN216683287U (en) | 2022-06-07 |
Family
ID=81824199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123389889.1U Active CN216683287U (en) | 2021-12-29 | 2021-12-29 | Water supply system applied to multistage cooling system of high polymer pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216683287U (en) |
-
2021
- 2021-12-29 CN CN202123389889.1U patent/CN216683287U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110468242B (en) | Independent water taking waste heat recovery system for slag flushing water of blast furnace | |
| CN209428652U (en) | A kind of preparation facilities of compound functional fibre | |
| CN216683287U (en) | Water supply system applied to multistage cooling system of high polymer pipe | |
| CN216683288U (en) | Multistage cooling system applied to polymer pipe production line | |
| CN213382920U (en) | Pipe cooling device special for polymer pipe production line | |
| CN211739642U (en) | Vacuum pump working solution cooling system | |
| CN210082373U (en) | Tread cooling water semi-circulation device | |
| CN213539159U (en) | Centralized water supply device for glass production workshop | |
| CN204856082U (en) | Extruder circulating water automatic temperature control and detection of water level switched systems | |
| CN210288551U (en) | Double-water-tank supply system without shutdown | |
| CN218095463U (en) | Water saving device for machine sealing of equipment | |
| CN209566550U (en) | The cooling water of extruding machine circulatory system | |
| CN209359240U (en) | A kind of livestock culture evaporative cooling pad device | |
| CN206033187U (en) | Liquid filling machine cooling water circulation system | |
| CN213382921U (en) | Water supply system special for polymer pipe cooling equipment | |
| CN213382922U (en) | Polymer tubular product extrusion lines | |
| CN213778327U (en) | Closed cooling system | |
| CN108973078A (en) | A kind of PVC low ratio foamed plate water-cooling system and its water-cooling method | |
| CN210233904U (en) | Injection molding machine cooling device | |
| CN213020485U (en) | Cooling system under special temperature control condition | |
| CN204881254U (en) | Water cooling tower | |
| CN220433793U (en) | Double-water source automatic switching circulating water device | |
| CN217926445U (en) | Cooling system of feed pump | |
| CN214950801U (en) | Energy-saving system for recovering process cooling water | |
| CN216011333U (en) | Ground source heat pump unit capable of automatically controlling soil heat balance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |