CN220883346U - Energy-saving cooling device for plastic pipe production - Google Patents
Energy-saving cooling device for plastic pipe production Download PDFInfo
- Publication number
- CN220883346U CN220883346U CN202322545826.3U CN202322545826U CN220883346U CN 220883346 U CN220883346 U CN 220883346U CN 202322545826 U CN202322545826 U CN 202322545826U CN 220883346 U CN220883346 U CN 220883346U
- Authority
- CN
- China
- Prior art keywords
- water
- pipe
- storage tank
- chiller
- liquid level
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 239000004033 plastic Substances 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 298
- 238000003860 storage Methods 0.000 claims abstract description 56
- 239000000498 cooling water Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims description 38
- 230000001502 supplementing effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000003020 moisturizing effect Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Abstract
The utility model belongs to the technical field of cooling equipment, and particularly relates to an energy-saving cooling device for plastic pipe production, which comprises a water outlet pipe, a water inlet pipe, a water return pipe, a water storage tank and a water chiller, wherein the water chiller is arranged beside a production line, a water outlet of the water chiller is connected with the water outlet pipe, the water outlet pipe conveys cold water of the water chiller to a cooling water tank on the production line, a water inlet of the water chiller is connected with the water inlet pipe, one end of the water inlet pipe, which is far away from the water chiller, is communicated with the water storage tank, one end of the water return pipe is communicated with the water storage tank, and the other end of the water return pipe is communicated with the top of the cooling water tank; the water outlet pipe is provided with a first water pump, the water inlet pipe is provided with a second water pump, and the water return pipe is provided with a third water pump. In the utility model, each production line is provided with a respective cooling device, the water chiller can be turned on when used and turned off when not used, and excessive cold water can return to the water storage tank, so that the energy consumption of the utility model is lower, the problem of energy waste is effectively solved, and the purposes of energy conservation and consumption reduction are achieved.
Description
Technical Field
The utility model belongs to the technical field of cooling equipment, and particularly relates to an energy-saving cooling device for plastic pipe production.
Background
The plastic pipe is produced with synthetic resin as material, stabilizer, lubricant, plasticizer and other additive and through extrusion in plastic making machine, and is used mainly as running water pipe, drainage, exhaust and sewage pipe, underground drainage pipe system, rain pipe, wire pipe, etc. After extrusion, the plastic pipe needs cooling and shaping, and the cooling mode is usually air cooling or water cooling. During water cooling, cold water in the cooling water tank is contacted with the extruded plastic pipe, the cold water absorbs heat of the plastic pipe and becomes warm water, the warm water is cooled and then becomes normal-temperature water, the normal-temperature water is sent to cooling equipment for cooling, and the cold water is sent to the plastic pipe again after being changed into cold water, so that cold water circulation and plastic pipe cooling are realized. At present, a plurality of plastic pipe production lines in a factory are arranged, so that a high-power refrigerator is generally selected as a cooling device to intensively cool warm water conveyed from each production line. Thus, when a plurality of production lines are simultaneously opened, the refrigerator can provide enough cold water for the refrigerator, but when the conditions of yield reduction and the like are met, the number of the production lines which are operated is reduced, the cold water provided by the refrigerator is excessive, the cold water cannot be used up, and the problem of energy waste exists.
Disclosure of utility model
The utility model aims to provide an energy-saving cooling device for plastic pipe production, which solves the problem of energy waste when a high-power refrigerator is adopted.
In order to achieve the above purpose, the scheme of the utility model is as follows: the energy-saving cooling device for plastic pipe production comprises a water outlet pipe, a water inlet pipe, a water return pipe and a water storage tank, and further comprises a water chiller, wherein the water chiller is arranged beside a production line, a water outlet of the water chiller is connected with the water outlet pipe, the water outlet pipe conveys cold water of the water chiller into a cooling water tank on the production line, a water inlet of the water chiller is connected with the water inlet pipe, one end of the water inlet pipe, which is far away from the water chiller, is communicated with the water storage tank, one end of the water return pipe is communicated with the water storage tank, and the other end of the water return pipe is communicated with the top of the cooling water tank; the water outlet pipe is provided with a first water pump, the water inlet pipe is provided with a second water pump, and the water return pipe is provided with a third water pump.
The working principle and the beneficial effects of the scheme are as follows: in the scheme, each production line is provided with a cooling device, so that when the production line is started, the cooling device beside the production line is started, cold water refrigerated by a water chiller is conveyed to the production line through a water outlet pipe, and thus a plastic pipe on the production line is cooled, and the water chiller can be turned on when being used and turned off when not being used; moreover, the water chiller in the scheme has low power and lower energy consumption compared with a high-power refrigerator. In addition, in this scheme, when the water level in the cooling water tank is higher than the intercommunication point of wet return and cooling water tank, the high-order cold water in the cooling water tank (the outlet pipe also communicates with cooling water tank's top) is got back into in the storage water tank through the wet return, avoids cold water extravagant to reduce cold water work frequency. And the warm water absorbed by the cooling water tank is discharged into the power equipment group in the factory through the drain pipe at the bottom, so that the heat in the warm water is utilized. In summary, in the scheme, the low-power water chiller is adopted to replace the high-power refrigerator, and the single water supply mode is adopted to replace the centralized water supply mode, so that the high-order cold water in the cooling water tank is returned to the water storage tank, the problem of energy waste is solved, and the purposes of energy conservation and consumption reduction are achieved.
Optionally, a first valve for controlling the on-off of the water outlet pipe is arranged on the water outlet pipe, a second valve for controlling the on-off of the water inlet pipe is arranged on the water inlet pipe, and a third valve for controlling the on-off of the water return pipe is arranged on the water return pipe.
In this scheme, utilize the break-make of first valve control outlet pipe, utilize the break-make of second valve control inlet tube to disconnect outlet pipe and inlet tube when needs.
Optionally, a liquid level meter for detecting the liquid level in the water storage tank is arranged on the water storage tank.
In this scheme, because water can evaporation loss at the in-process of cooling plastic tubing, consequently, utilize the level gauge to detect the liquid level height in the storage water tank, avoid the liquid level in the storage water tank too low to the staff in time adds water to the storage water tank in.
Optionally, the liquid level meter is a magnetic flap liquid level meter with remote alarm.
The magnetic flap level meter in the scheme can be matched with various display instruments such as a PLC (programmable logic controller), an upper computer and the like, remote liquid level observation, alarm and the like are easily realized, the regular inspection of workers is avoided, and the workload is reduced.
Optionally, the top of storage water tank intercommunication has the moisturizing pipe, installs the third valve that is used for controlling moisturizing pipe break-make on the moisturizing pipe.
In this scheme, the one end that the moisturizing pipe kept away from the storage water tank communicates with the water supply (running water) pipe line system of mill, so, the staff opens the third valve and can add water in to the storage water tank through the moisturizing pipe, easy operation.
Optionally, the third valve is a pneumatic valve, the liquid level meter is electrically connected with a controller, the pneumatic valve is electrically connected with the controller, and the controller controls the pneumatic valve to be opened and closed according to signals transmitted by the liquid level meter.
In this scheme, when the liquid level meter detects that the liquid level in the storage water tank is too low, the pneumatic valve is opened in controller control to realize the automatic water feeding of storage water tank.
Optionally, the outer wall of the water storage tank is wrapped with an insulation layer, and the water return pipe is a PPR insulation water pipe.
In the scheme, the heat-insulating layer can reduce the heat exchange amount between the water storage tank and the outside, so that water in the water storage tank is insulated; the PPR heat-preserving water pipe can reduce the heat absorption quantity of cold water in the pipe, so that the cold water can flow back into the water storage tank at a low temperature as far as possible.
Optionally, a plurality of truckles are installed to the bottom of cold water machine, and in a plurality of truckles, half is directional truckle, and half is the universal wheel, and directional truckle and universal wheel all take the brake.
In this scheme, the truckle of cold water machine bottom to the staff removes it to the installation site, and the staff can be after the cold water machine removes the installation site to the truckle brake, avoids the cold water machine to remove at will.
Optionally, the bottom of cold water machine is equipped with a plurality of skid-proof assemblies, skid-proof assemblies includes fixed block, screw rod and antiskid ribbed tile, and fixed block fixed connection is in the bottom of cold water machine, and the blind hole of screw rod screw thread complex screw thread has been seted up with the bottom surface of fixed block, antiskid ribbed tile and the bottom fixed connection of screw rod.
In this scheme, rotate the screw rod, the screw rod drives antiskid ribbed tile and moves down, when antiskid ribbed tile supports tightly subaerial, has increased the static friction power of cold water machine to effectively avoid the cold water machine to slide under the external force effect.
Optionally, the bottom surface of antiskid ribbed tile fixedly connected with slipmat.
In this scheme, the antiskid pad replaces antiskid ribbed tile and supports tightly with ground to increased coefficient of friction, and then increased the static friction of cold water machine.
Drawings
FIG. 1 is a schematic diagram of an energy-saving cooling device for plastic pipe production in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram showing pipeline connection of an energy-saving cooling device for plastic pipe production in accordance with the first embodiment of the present utility model;
FIG. 3 is a schematic diagram of an energy-saving cooling device for plastic pipe production in a second embodiment of the utility model;
FIG. 4 is a schematic diagram of an energy-saving cooling device for plastic pipe production in a third embodiment of the utility model;
Fig. 5 is a schematic structural diagram of an anti-skid assembly according to a third embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
The labels in the drawings of this specification include: the water level meter comprises a water outlet pipe 1, a water inlet pipe 2, a water return pipe 3, a water storage tank 4, a water chiller 5, a first water pump 6, a first valve 7, a second water pump 8, a second valve 9, a third water pump 10, a cooling water tank 11, a water outlet pipe 111, a directional caster 12, a universal wheel 13, a liquid level meter 14, a water supplementing pipe 15, a third valve 16, a controller 17, a fixed block 18, a screw 19 and a antiskid plate 20.
Example 1
This embodiment is basically as shown in fig. 1 and 2: the energy-saving cooling device for plastic pipe production comprises a water outlet pipe 1, a water inlet pipe 2, a water return pipe 3, a water storage tank 4 and a water chiller 5. The water chiller 5 is arranged beside the production line, the water outlet of the water chiller 5 is connected with the water outlet pipe 1, the water outlet pipe 1 conveys cold water prepared by the water chiller 5 into the cooling water tank 11 on the production line, and the water outlet pipe 1 is communicated with the top of the cooling water tank 11 to realize high-level water inlet; the water inlet of the water chiller 5 is connected with the water inlet pipe 2, and the left end of the water inlet pipe 2 is communicated with the water storage tank 4 so that water in the water storage tank 4 flows into the water chiller 5; one end of the return pipe 3, which is close to the water storage tank 4, is communicated with the water storage tank 4, the other end of the return pipe 3 is communicated with the top of the cooling water tank 11 (the cooling water tank is arranged in a section of forming cooling in the pipe sizing sleeve), and in addition, in the embodiment, the return pipe 3 is a PPR heat-preserving water pipe. The water outlet pipe 1 is provided with a first water pump 6 and a first valve 7 for controlling the on-off of the water outlet pipe 1, the water inlet pipe 2 is provided with a second water pump 8 and a second valve 9 for controlling the on-off of the water inlet pipe 2, and the water return pipe 3 is provided with a third water pump 10.
The bottom of cold water machine 5 is installed a plurality of truckles, in this embodiment, the quantity of truckle is four, four truckles distribute on the four corners of cold water machine 5 bottom, and in four truckles, two are directional truckle 12, two are universal wheel 13, two directional truckles 12 are located the left side of cold water machine 5, two universal wheels 13 are located the right side of cold water machine 5, and directional truckle 12 and universal wheel 13 all take the brake, so, the staff can remove to the mounting site back at cold water machine 5 and brake the truckle, avoid cold water machine 5 to remove at will.
The outer wall of the water storage tank 4 is wrapped with an insulation layer, which is insulation cotton in this embodiment. The water storage tank 4 is provided with a liquid level meter 14 for detecting the liquid level inside the water storage tank 4, and in the embodiment, the liquid level meter 14 is a magnetic flap liquid level meter 14 with remote transmission alarm, and the model is JSCW-UHZ-CFB. The top of the box body is communicated with a water supplementing pipe 15, a third valve 16 for controlling the on-off of the water supplementing pipe 15 is arranged on the water supplementing pipe 15, and one end of the water supplementing pipe 15 far away from the water storage tank 4 is communicated with a water supply (tap water) pipeline system of a factory. In fig. 1 and 2, the arrows indicate the direction of water flow.
When the water cooling device is used, the first valve 7 and the second valve 9 are opened, the second water pump 8 is started, water in the water storage tank 4 enters the water chiller 5 through the water inlet pipe 2 to refrigerate, the first water pump 6 is started, cold water prepared by the water chiller 5 is conveyed into the cooling water tank 11 on the production line through the water outlet pipe 1, thereby cooling a plastic pipe on the production line, the cold water absorbs heat and then turns into warm water, and the warm water is discharged to a power equipment group in a factory through the water outlet pipe 111 at the bottom of the cooling water tank 11 to be recycled. In the above process, when the water level in the cooling water tank 11 is higher than the connection point between the water return pipe 3 and the cooling water tank 11, the third water pump 10 is started, and the cold water just flowing into the cooling water tank 11 flows back into the water storage tank 4 through the water return pipe 3, so that the cold water is prevented from being wasted, and the cold water returned into the water storage tank 4 is mixed with normal-temperature water, so that the temperature of the water to be refrigerated is reduced, the working frequency of the water chiller 5 is reduced, and the energy consumption is further reduced.
In the process, a worker can master the liquid level in the water storage tank 4 through the liquid level meter 14, and the liquid level meter 14 has a remote transmission alarm function, and transmits liquid level information to a PLC or an upper computer matched with the liquid level meter in real time, so that remote liquid level observation is realized, and the worker is prevented from on-site inspection. When the liquid level in the water storage tank 4 is lower than the preset minimum liquid level, the PLC or the upper computer gives an alarm to prompt a worker to add water to the water storage tank 4 in time, specifically, the worker opens the third valve 16 on the water supplementing pipe 15, tap water flows into the water storage tank 4, and after the liquid level in the water storage tank 4 rises, the third valve 16 is closed, so that the operation is simple and quick.
In summary, in this embodiment, each production line has a respective cooling device, a low-power water chiller 5 is used to replace a high-power refrigerator, and a single water supply mode is used to replace a centralized water supply mode, that is, when the production line is started, the water chiller 5 beside the production line can work, and the water chiller 5 can be turned on when used and turned off when not used, so that the problem of energy waste caused by centralized water supply by the refrigerator is avoided, and the purposes of energy saving and consumption reduction are achieved. In this embodiment, the high-level cold water in the cooling water tank 11 can also flow back into the water storage tank 4 through the water return pipe 3, so as to reduce the water temperature in the water storage tank 4, thereby reducing the working frequency of the water chiller 5 and further reducing the energy consumption.
Example two
The present embodiment differs from the first embodiment in that: as shown in fig. 3 (the direction of the water flow indicated by the arrow in fig. 3), the third valve 16 is a pneumatic valve, the liquid level meter 14 is electrically connected with a controller 17, the pneumatic valve is electrically connected with the controller 17, the controller 17 controls the pneumatic valve to open and close according to the signal transmitted by the liquid level meter 14, in this embodiment, the controller 17 is a PLC, and the controller 17 is fixedly mounted on the top outer wall of the water storage tank 4.
In this embodiment, when the level gauge 14 detects that the liquid level in the water storage tank 4 is lower than the preset minimum liquid level, the controller 17 controls the pneumatic valve (the third valve 16) to be opened, tap water flows into the water storage tank 4, the liquid level in the water storage tank 4 rises, and when the liquid level in the water storage tank 4 rises to the preset maximum liquid level, the controller 17 controls the pneumatic valve (the third valve 16) to be closed, and water addition is stopped. Thus, the embodiment realizes automatic water feeding of the water storage tank 4, and reduces the workload of staff.
In addition, a water level sensor for detecting the water level in the cooling water tank 11 is also arranged in the cooling water tank 11, the water level sensor is electrically connected with the controller 17, the water level sensor transmits the water level information in the cooling water tank 11 to the controller 17, and the controller 17 controls the third water pump 10 to work according to the received water level information, so that automatic backflow of high-level cold water is realized.
Example III
The present embodiment differs from the first embodiment in that: as shown in fig. 4 (the direction of the water flow indicated by the arrow in fig. 4) and fig. 5, a plurality of anti-slip components are arranged at the bottom end of the water chiller 5, in this embodiment, the number of the anti-slip components is ten, two sets of anti-slip components are respectively arranged at the left side and the right side of the water chiller 5, and three sets of anti-slip components are respectively arranged at the front side and the rear side of the water chiller 5. Each group of anti-skid components comprises a fixed block 18, a screw 19 and an anti-skid plate 20, wherein the fixed block 18 is welded at the bottom end of the water chiller 5, a threaded blind hole matched with the screw 19 in threads is formed in the bottom surface of the fixed block 18, the anti-skid plate 20 is welded with the bottom end of the screw 19, an anti-skid pad (not shown) is bonded at the bottom surface of the anti-skid plate 20, and the anti-skid pad in the embodiment is a rubber pad.
In this embodiment, after the water chiller 5 moves to the installation site, the universal castor brakes, and the staff rotates the screw rods 19 one by one, and because the screw rods 19 are in threaded connection with the threaded blind holes on the fixed blocks 18, the screw rods 19 move downwards relative to the fixed blocks 18, and drive the anti-skid plates 20 to move downwards until the anti-skid pads on the bottom surfaces of the anti-skid plates 20 contact and abut against the ground. Therefore, when the water chiller 5 is subjected to external force, the static friction force between the anti-slip pad and the ground and the static friction force between the universal casters and the ground need to be overcome, so that in the embodiment, the water chiller 5 is not easy to push, and the damage to the pipeline caused by the sliding of the water chiller 5 is avoided. When the water chiller 5 needs to be moved, a worker reversely rotates the screw 19, so that the screw 19 drives the antiskid plate 20 to move upwards, and then the brakes of the directional casters 12 and the universal wheels 13 are released.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the present utility model. The description of the embodiments and the like in the specification can be used for explaining the contents of the claims.
Claims (10)
1. The energy-saving cooling device for plastic pipe production comprises a water outlet pipe, a water inlet pipe, a water return pipe and a water storage tank, and is characterized in that: the water inlet of the water chiller is connected with the water inlet pipe, one end of the water inlet pipe, which is far away from the water chiller, is communicated with the water storage tank, one end of the water return pipe is communicated with the water storage tank, and the other end of the water return pipe is communicated with the top of the cooling water tank; the water outlet pipe is provided with a first water pump, the water inlet pipe is provided with a second water pump, and the water return pipe is provided with a third water pump.
2. An energy efficient cooling apparatus for plastic pipe production according to claim 1, wherein: the water outlet pipe is provided with a first valve for controlling the on-off of the water outlet pipe, and the water inlet pipe is provided with a second valve for controlling the on-off of the water inlet pipe.
3. An energy efficient cooling apparatus for plastic pipe production according to claim 1, wherein: the water storage tank is provided with a liquid level meter for detecting the liquid level inside the water storage tank.
4. A plastic pipe production energy saving cooling device according to claim 3, characterized in that: the liquid level meter is a magnetic flap liquid level meter with a remote transmission alarm.
5. An energy efficient cooling apparatus for plastic pipe production according to claim 4, wherein: the top of the water storage tank is communicated with a water supplementing pipe, and a third valve for controlling the on-off of the water supplementing pipe is arranged on the water supplementing pipe.
6. An energy efficient cooling apparatus for plastic pipe production according to claim 5, wherein: the third valve is a pneumatic valve, the liquid level meter is electrically connected with a controller, the pneumatic valve is electrically connected with the controller, and the controller controls the pneumatic valve to be opened and closed according to signals transmitted by the liquid level meter.
7. An energy efficient cooling apparatus for plastic pipe production according to claim 1, wherein: the outer wall of the water storage tank is wrapped with an insulating layer, and the water return pipe is a PPR insulating water pipe.
8. An energy efficient cooling apparatus for plastic pipe production according to claim 1, wherein: the bottom of the water chiller is provided with a plurality of casters, one half of the casters is directional casters, the other half of the casters is universal wheels, and the directional casters and the universal wheels are provided with brakes.
9. An energy efficient cooling apparatus for plastic pipe production according to claim 7 or 8, characterized in that: the bottom of cold water machine is equipped with a plurality of skid-proof assemblies, skid-proof assembly includes fixed block, screw rod and antiskid ribbed tile, and fixed block fixed connection is in the bottom of cold water machine, and the bottom surface of fixed block offered with screw rod screw thread complex screw thread blind hole, antiskid ribbed tile and the bottom fixed connection of screw rod.
10. An energy efficient cooling apparatus for plastic pipe production according to claim 9, wherein: the bottom surface of antiskid ribbed tile fixedly connected with slipmat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322545826.3U CN220883346U (en) | 2023-09-19 | 2023-09-19 | Energy-saving cooling device for plastic pipe production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322545826.3U CN220883346U (en) | 2023-09-19 | 2023-09-19 | Energy-saving cooling device for plastic pipe production |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220883346U true CN220883346U (en) | 2024-05-03 |
Family
ID=90877803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322545826.3U Active CN220883346U (en) | 2023-09-19 | 2023-09-19 | Energy-saving cooling device for plastic pipe production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220883346U (en) |
-
2023
- 2023-09-19 CN CN202322545826.3U patent/CN220883346U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN220883346U (en) | Energy-saving cooling device for plastic pipe production | |
CN2929552Y (en) | Controller for central air conditioning system | |
CN2818786Y (en) | Local colling device for coal mine | |
CN206943282U (en) | Aircraft brake piece cooling controller | |
CN103737723A (en) | Concrete mixer truck tank body temperature-control heat insulation device | |
CN205209330U (en) | Energy -saving control system of cooling tower | |
CN203622649U (en) | Temperature control and insulation device on concrete mixing truck tank | |
CN100453771C (en) | Mining partial cold-supply device | |
CN104848317A (en) | Intelligent heating plate type heat exchanger unit | |
CN111593889B (en) | Large-volume concrete cooling device and using method | |
CN103358832A (en) | Full-automatic shower unit for heavy vehicle | |
CN213137530U (en) | Efficient cooling circulation equipment for powder coating production | |
CN109708226B (en) | User variable frequency distributed water mixing access system and method for regional cooling | |
CN206695634U (en) | Integrated high-efficiency heat exchange chilled water unit | |
CN205446495U (en) | Recirculated cooling water device suitable for oil -well rig braking system | |
CN208901717U (en) | A kind of cooling water temperature system | |
CN205335864U (en) | Distributing type power station based on air compressor machine waste heat power generation system | |
CN219948170U (en) | Braking protection device for mining trackless rubber-tyred vehicle | |
CN203810657U (en) | Heat recovering integrating box | |
CN207815616U (en) | Water pump of central air conditioner energy conserving system | |
CN205112345U (en) | Platform refrigerating system stereotypes | |
CN221492607U (en) | Intelligent temperature control water cooling device of hydraulic cone crusher | |
CN203323588U (en) | Energy-saving cooling tower with auxiliary motor | |
CN204630463U (en) | A kind of water power combination cooling tower energy saver | |
CN211041564U (en) | Polyester in-building chilled water system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |