CN109203421B - Extruder barrel cooling system - Google Patents
Extruder barrel cooling system Download PDFInfo
- Publication number
- CN109203421B CN109203421B CN201811304751.7A CN201811304751A CN109203421B CN 109203421 B CN109203421 B CN 109203421B CN 201811304751 A CN201811304751 A CN 201811304751A CN 109203421 B CN109203421 B CN 109203421B
- Authority
- CN
- China
- Prior art keywords
- cooling water
- barrel
- cooling
- water inlet
- heat exchanger
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 239000000498 cooling water Substances 0.000 claims abstract description 180
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims description 19
- 230000002265 prevention Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 241000219000 Populus Species 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a barrel cooling system of an extruder, which comprises a cooling water tank, wherein a water outlet of the cooling water tank is communicated with a water inlet of a pump, the water outlet of the pump is communicated with a water inlet of a barrel cooling device through a barrel cooling water inlet pipeline, the water outlet of the barrel cooling device is communicated with a first water inlet of a heat exchanger through a barrel cooling water return pipeline, and the first water outlet of the heat exchanger is communicated with the water inlet of the cooling water tank through a cooling water tank water inlet pipe; the top of the cooling water tank is communicated with a demineralized water inlet pipe, a second pneumatic regulating valve is arranged on the demineralized water inlet pipe, and the second pneumatic regulating valve is electrically connected with a liquid level monitor arranged in the cooling water tank. The extruder barrel cooling system provided by the invention realizes automatic and accurate control of barrel temperature regulation, and improves the quality of products; the recycling of the cooling water is realized, and the purposes of energy saving and consumption reduction are achieved.
Description
Technical Field
The invention belongs to the technical field of extruder barrel temperature control, and particularly relates to an extruder barrel cooling system.
Background
The extruder operation in-process is comparatively strict to barrel temperature requirement, and barrel temperature is high to cause the material coking that discolours easily, and the temperature is low then can't make the material fully melt, and the extruder of present me factory adopts hot plate heating and the control of barrel temperature is carried out to the mode that the cooling water cooling was mutually supported, and current cooling mode adopts circulating water to cool down, and business turn over water manual regulation, according to the running situation, current cooling mode has obvious defect: 1. the circulating cooling water is manually regulated, so that the temperature regulation is delayed and the temperature control is inaccurate; 2. the temperature difference of the circulating water in summer is high, and impurities such as poplar catkin and the like are easy to fly into the circulating water, so that the circulating water cannot effectively cool; 3. because the temperature of the machine barrel is higher, the cooling water backwater is heated to generate vaporization phenomenon, water hammer is easy to generate, and impact is caused on a circulating water pipe network.
Disclosure of Invention
The invention aims to overcome the defects of the prior device and provide a machine barrel cooling system of an extruder.
The object of the invention is achieved in the following way:
The extruder barrel cooling system comprises a cooling water tank, wherein a water outlet of the cooling water tank is communicated with a water inlet of a pump, a water outlet of the pump is communicated with a water inlet of a barrel cooling device through a barrel cooling water inlet pipeline, a water outlet of the barrel cooling device is communicated with a first water inlet of a heat exchanger through a barrel cooling water return pipeline, and a first water outlet of the heat exchanger is communicated with a water inlet of the cooling water tank through a cooling water tank water inlet pipe; the top of the cooling water tank is communicated with a desalted water inlet pipe, a second pneumatic regulating valve is arranged on the desalted water inlet pipe, and the second pneumatic regulating valve is electrically connected with a liquid level monitor arranged in the cooling water tank;
the cylinder cooling device comprises a first pneumatic adjusting valve, a cylinder jacket, a check valve, a metal hose and a water hammer preventing device, wherein the water outlet of the pump is communicated with the water inlet of the cylinder jacket through a cylinder cooling water inlet pipeline;
the first pneumatic regulating valve is electrically connected with a temperature monitor arranged in the machine barrel;
the cooling water inlet pipe of the heat exchanger is communicated with the second water inlet of the heat exchanger, and the cooling water outlet pipe of the heat exchanger is communicated with the second water outlet of the heat exchanger.
The top of the cooling water tank is provided with an overflow pipe.
The bottom of the cooling water tank is provided with a first discharge pipe.
And a first filter is arranged on the machine barrel cooling water return pipeline.
And a second filter is arranged on the cooling water inlet pipe of the heat exchanger.
And a third pneumatic regulating valve is arranged on the cooling water outlet pipe of the heat exchanger and is electrically connected with a temperature monitor arranged in the cooling water tank water inlet pipe.
The machine barrel cooling devices are at least two, and the machine barrel cooling devices are arranged in parallel.
The bottom of the heat exchanger is provided with a second discharge pipe.
The water hammer preventing device is positioned in the machine barrel cooling water return pipeline and comprises a round pipe, one end of the round pipe is welded on the machine barrel cooling water return pipeline, the other end of the round pipe is sealed, and a plurality of through holes are formed in the side wall of the round pipe; the water outlet end of the metal hose is fixed on the outer wall of the cooling water return pipeline of the machine barrel through a clamping sleeve or a flange, so that the water outlet of the metal hose is communicated with the water inlet of the water-hammering prevention device.
The operation method of the extruder barrel cooling system comprises the following specific steps:
1) Closing the first discharge pipe and the second discharge pipe, opening the first pneumatic valve, the second pneumatic valve and the third pneumatic valve, supplementing water to the cooling water tank, and putting the cooling water of the heat exchanger into use;
2) Clicking a start button of a pump through an extruder operation interface, pumping cooling water in a cooling water tank into a barrel jacket of which a first pneumatic adjusting valve is in an open state through a barrel cooling water inlet pipeline by the pump, and cooling a barrel; the temperature sensing probe in the machine barrel transmits the measured real-time temperature value of the machine barrel to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature in the machine barrel is lower than a preset minimum temperature value, the controller controls the first pneumatic adjusting valve to be closed, the machine barrel reaches the temperature required by working, and cooling water is not required to be injected into the machine barrel jacket; when the temperature in the machine barrel is higher than a preset highest temperature value, the controller controls the first pneumatic adjusting valve to be opened, cooling water is injected into the machine barrel jacket, and the machine barrel is cooled;
3) Cooling water in the barrel jacket sequentially passes through the check valve, the metal hose and the water hammer preventing device through a water outlet of the barrel jacket, and then enters the heat exchanger through a barrel cooling water return pipeline for heat exchange;
4) Cooling water subjected to heat exchange and temperature reduction enters a cooling water tank through a cooling water tank water inlet pipe;
5) The liquid level meter in the cooling water tank transmits the measured real-time liquid level height of the cooling water tank to the controller, and the controller compares the real-time liquid level height with a preset liquid level height range value: when the liquid level in the cooling water tank is lower than the preset minimum liquid level, the controller controls the second pneumatic adjusting valve to be opened, and desalted water enters the cooling water tank through the desalted water inlet pipe; when the liquid level in the cooling water tank is higher than the preset highest liquid level, the controller controls the second pneumatic adjusting valve to be closed, and cooling water is not injected into the cooling water tank;
6) The cooling water of the heat exchanger enters the heat exchanger through a cooling water inlet pipe of the heat exchanger, exchanges heat with the water in the water return pipeline of the cooling water of the machine barrel, and flows out of the heat exchanger through a cooling water outlet pipe of the heat exchanger; the temperature sensing probe in the cooling water tank water inlet pipe transmits the measured real-time temperature value of the cooling water in the cooling water tank water inlet pipe to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature of the cooling water in the water inlet pipe of the cooling water tank is lower than a preset minimum temperature value, the controller controls the third pneumatic adjusting valve to be closed, so that the water inflow of the cooling water of the heat exchanger is reduced; when the temperature of the cooling water in the water inlet pipe of the cooling water tank is higher than a preset highest temperature value, the controller controls the third pneumatic adjusting valve to be opened, and the water inflow of the cooling water of the heat exchanger is increased.
Compared with the prior art, the extruder barrel cooling system provided by the invention realizes automatic and accurate control of barrel temperature regulation, and improves the quality of products; the recycling of the cooling water is realized, and the purposes of energy saving and consumption reduction are achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a metal hose and a portion of a water hammer preventing device.
Wherein 1 is a cooling water tank; 2 is a pump; 3 is a barrel; 4 is a heat exchanger; 5 is a first pneumatic control valve; 6 is a check valve; 7 is a metal hose; 8 is a water hammer preventing device; 9 is a first filter; 10 is a second pneumatic regulator valve; 11 is an overflow pipe; 12 is a first discharge pipe; 13 is a third pneumatic regulator valve; 14 is a second filter; 15 is a second discharge pipe; 16 is a barrel cooling water inlet line; 17 is a barrel cooling water return line; 18 is a demineralized water inlet pipe; 19 is a cooling water inlet pipe of the heat exchanger; 20 is a cooling water outlet pipe of the heat exchanger; 21 is a cooling water tank water inlet pipe; 22 is the barrel jacket.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are illustrative only and are not intended to limit the scope of the invention.
As shown in fig. 1-2, the extruder barrel cooling system comprises a cooling water tank 1, wherein the water outlet of the cooling water tank 1 is communicated with the water inlet of a pump 2, the water outlet of the pump 2 is communicated with the water inlet of a barrel cooling device through a barrel cooling water inlet pipeline 16, the water outlet of the barrel cooling device is communicated with the first water inlet of a heat exchanger 4 through a barrel cooling water return pipeline 17, and the first water outlet of the heat exchanger 4 is communicated with the water inlet of the cooling water tank 1 through a cooling water tank water inlet pipe 21; the top of the cooling water tank 1 is communicated with a desalted water inlet pipe 18, a second pneumatic regulating valve 10 is arranged on the desalted water inlet pipe 18, and the second pneumatic regulating valve 10 is electrically connected with a liquid level monitor arranged in the cooling water tank 1;
The barrel cooling device comprises a first pneumatic adjusting valve 5, a barrel jacket 22, a check valve 6, a metal hose 7 and a water hammer preventing device 8, wherein the water outlet of the pump 2 is communicated with the water inlet of the barrel jacket 22 through a barrel cooling water inlet pipeline 16, the water outlet of the barrel jacket 22 is communicated with the water inlet of the check valve 6, the water outlet of the check valve 6 is communicated with the water inlet of the metal hose 7, the water outlet of the metal hose 7 is communicated with the water inlet of the water hammer preventing device 8, and the water outlet of the water hammer preventing device 8 is communicated with the first water inlet of the heat exchanger 4 through a barrel cooling water return pipeline 17;
the first pneumatic regulating valve 5 is electrically connected with a temperature monitor arranged in the machine barrel 3;
The heat exchanger cooling water inlet pipe 19 is communicated with the second water inlet of the heat exchanger 4, and the heat exchanger cooling water outlet pipe 20 is communicated with the second water outlet of the heat exchanger.
The start-stop signal of the pump 2 is integrated on the extruder operation interface, so that remote start-stop can be performed, remote operation of the whole system is realized, and a large amount of manpower is saved.
The check valve 6 can prevent the backwater of the cooling water from flowing backwards, and the stability of the device is ensured.
The metal hose 7 and the water hammer preventing device 8 are arranged, so that the vibration of a pipeline and the impact on a system caused by water hammer generated by vaporization of a backwater part can be effectively reduced and prevented.
An overflow pipe 11 is arranged at the top of the cooling water tank 1 to prevent the cooling water in the cooling water tank 1 from being overfilled.
The bottom of the cooling water tank 1 is provided with a first discharge pipe 12 for checking the pipeline during driving and discharging the medium in the pipeline during stopping, thereby preventing pipeline blockage and freezing in winter.
A first filter 9 is provided on the barrel cooling water return line 17.
A second filter 14 is arranged on the cooling water inlet pipe 19 of the heat exchanger.
The third pneumatic adjusting valve 13 is arranged on the cooling water outlet pipe 20 of the heat exchanger, and the third pneumatic adjusting valve 13 is electrically connected with a temperature monitor arranged in the cooling water tank inlet pipe 21.
The machine barrel cooling devices are at least two, and the machine barrel cooling devices are arranged in parallel.
The bottom of the heat exchanger 4 is provided with a second discharge pipe 15 for checking the pipeline during driving and discharging the medium in the pipeline during stopping, so as to prevent the pipeline from being blocked and from freezing in winter.
The water hammer preventing device 8 is positioned in the machine barrel cooling water return pipeline 17 and comprises a round pipe, one end of the round pipe is welded on the machine barrel cooling water return pipeline 17, the other end of the round pipe is sealed, and a plurality of through holes are formed in the side wall of the round pipe; the water outlet end of the metal hose 7 is fixed on the outer wall of the barrel cooling water return pipeline 17 through a clamping sleeve or a flange, so that the water outlet of the metal hose 7 is communicated with the water inlet of the water-hammering prevention device 8.
The operation method of the extruder barrel cooling system comprises the following specific steps:
1) Closing the first discharge pipe 12 and the second discharge pipe 15, opening the first pneumatic valve 5, the second pneumatic valve 10 and the third pneumatic valve 13, supplementing water to the cooling water tank 1, and throwing the cooling water of the heat exchanger 4;
2) Clicking a start button of the pump 2 through an extruder operation interface, pumping cooling water in the cooling water tank 1 into a barrel jacket 22 in an opened state of the first pneumatic adjusting valve 5 through a barrel cooling water inlet pipeline 16 by the pump 2, and cooling the barrel 3; the temperature sensing probe in the machine barrel 3 transmits the measured real-time temperature value of the machine barrel 3 to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature in the machine barrel 3 is lower than the preset minimum temperature value, the controller controls the first pneumatic adjusting valve 5 to be closed, the machine barrel 3 reaches the temperature required by the work, and cooling water is not required to be injected into the machine barrel jacket 22; when the temperature in the machine barrel 3 is higher than the preset highest temperature value, the controller controls the first pneumatic adjusting valve 5 to be opened, cooling water is injected into the machine barrel jacket 22, and the machine barrel 3 is cooled;
3) Cooling water in the barrel jacket 22 sequentially passes through the check valve 6, the metal hose 7 and the water hammer preventing device 8 through a water outlet of the barrel jacket 22, and then enters the heat exchanger 4 through a barrel cooling water return pipeline 17 for heat exchange;
4) Cooling water subjected to heat exchange and temperature reduction enters the cooling water tank 1 through the cooling water tank water inlet pipe 21;
5) The liquid level meter in the cooling water tank 1 transmits the measured real-time liquid level height of the cooling water tank 1 to the controller, and the controller compares the real-time liquid level height with a preset liquid level height range value: when the liquid level in the cooling water tank 1 is lower than the preset minimum liquid level, the controller controls the second pneumatic adjusting valve 10 to be opened, and desalted water enters the cooling water tank 1 through the desalted water inlet pipe 18; when the liquid level in the cooling water tank 1 is higher than the preset highest liquid level, the controller controls the second pneumatic adjusting valve 10 to be closed, so that cooling water is not injected into the cooling water tank 1;
6) The heat exchanger cooling water enters the heat exchanger 4 through a heat exchanger cooling water inlet pipe 19, exchanges heat with the incoming water in the machine barrel cooling water return pipe 17 and then flows out of the heat exchanger 4 through a heat exchanger cooling water outlet pipe 20; the temperature sensing probe in the cooling water tank water inlet pipe 21 transmits the measured real-time temperature value of the cooling water in the cooling water tank water inlet pipe 21 to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature of the cooling water in the cooling water tank water inlet pipe 21 is lower than a preset minimum temperature value, the controller controls the third pneumatic adjusting valve 13 to be closed, so that the water inflow of the cooling water of the heat exchanger is reduced; when the temperature of the cooling water in the cooling water tank water inlet pipe 21 is higher than the preset highest temperature value, the controller controls the third pneumatic adjusting valve 13 to be opened, and the water inflow amount of the cooling water of the heat exchanger is increased.
The connection between the above equipment and the pipeline adopts the common pipe fittings in the chemical industry field for communication.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the invention.
Claims (2)
1. An extruder barrel cooling system, characterized by: the cooling device comprises a cooling water tank (1), wherein a water outlet of the cooling water tank (1) is communicated with a water inlet of a pump (2), a water outlet of the pump (2) is communicated with a water inlet of a barrel cooling device through a barrel cooling water inlet pipeline (16), a water outlet of the barrel cooling device is communicated with a first water inlet of a heat exchanger (4) through a barrel cooling water return pipeline (17), and a first water outlet of the heat exchanger (4) is communicated with a water inlet of the cooling water tank (1) through a cooling water tank water inlet pipe (21); the top of the cooling water tank (1) is communicated with a desalted water inlet pipe (18), a second pneumatic regulating valve (10) is arranged on the desalted water inlet pipe (18), and the second pneumatic regulating valve (10) is electrically connected with a liquid level monitor arranged in the cooling water tank (1);
the barrel cooling device comprises a first pneumatic adjusting valve (5), a barrel jacket (22), a check valve (6), a metal hose (7) and a water hammering prevention device (8), wherein the water outlet of the pump (2) is communicated with the water inlet of the barrel jacket (22) through a barrel cooling water inlet pipeline (16), the water outlet of the barrel jacket (22) is communicated with the water inlet of the check valve (6), the water outlet of the check valve (6) is communicated with the water inlet of the metal hose (7), the water outlet of the metal hose (7) is communicated with the water inlet of the water hammering prevention device (8), and the water outlet of the water hammering prevention device (8) is communicated with the first water inlet of the heat exchanger (4) through a barrel cooling water return pipeline (17);
the first pneumatic regulating valve (5) is electrically connected with a temperature monitor arranged in the machine barrel (3);
the heat exchanger cooling water inlet pipe (19) is communicated with the second water inlet of the heat exchanger (4), and the heat exchanger cooling water outlet pipe (20) is communicated with the second water outlet of the heat exchanger;
An overflow pipe (11) is arranged at the top of the cooling water tank (1); the bottom of the cooling water tank (1) is provided with a first discharge pipe (12); a first filter (9) is arranged on the machine barrel cooling water return pipeline (17); a second filter (14) is arranged on the cooling water inlet pipe (19) of the heat exchanger;
A third pneumatic adjusting valve (13) is arranged on the cooling water outlet pipe (20) of the heat exchanger, and the third pneumatic adjusting valve (13) is electrically connected with a temperature monitor arranged in the cooling water tank inlet pipe (21); the machine barrel cooling devices are arranged in parallel; a second discharge pipe (15) is arranged at the bottom of the heat exchanger (4);
the water hammer preventing device (8) is positioned in the machine barrel cooling water return pipeline (17) and comprises a round pipe, one end of the round pipe is welded on the machine barrel cooling water return pipeline (17), the other end of the round pipe is sealed, and a plurality of through holes are formed in the side wall of the round pipe; the water outlet end of the metal hose (7) is fixed on the outer wall of the cooling water return pipeline (17) of the machine barrel through a clamping sleeve or a flange, so that the water outlet of the metal hose (7) is communicated with the water inlet of the water-hammering preventing device (8).
2. A method of operating an extruder barrel cooling system as set forth in claim 1 wherein: the method comprises the following specific steps:
1) closing a first discharge pipe (12) and a second discharge pipe (15), opening a first pneumatic regulating valve (5), a second pneumatic regulating valve (10) and a third pneumatic regulating valve (13), supplementing water to the cooling water tank (1), and throwing cooling water of the heat exchanger (4);
2) Clicking a start button of a pump (2) through an extruder operation interface, pumping cooling water in a cooling water tank (1) into a barrel jacket (22) of a first pneumatic adjusting valve (5) in an open state through a barrel cooling water inlet pipeline (16) by the pump (2), and cooling a barrel (3); the temperature sensing probe in the machine barrel (3) transmits the measured real-time temperature value of the machine barrel (3) to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature in the machine barrel (3) is lower than a preset minimum temperature value, the controller controls the first pneumatic adjusting valve (5) to be closed, the machine barrel (3) reaches the temperature required by work, and cooling water is not required to be injected into the machine barrel jacket (22); when the temperature in the machine barrel (3) is higher than the preset highest temperature value, the controller controls the first pneumatic adjusting valve (5) to be opened, cooling water is injected into the machine barrel jacket (22), and the machine barrel (3) is cooled;
3) Cooling water in the barrel jacket (22) sequentially passes through the check valve (6), the metal hose (7) and the water hammering prevention device (8) through a water outlet of the barrel jacket (22), and then enters the heat exchanger (4) through a barrel cooling water return pipeline (17) for heat exchange;
4) Cooling water subjected to heat exchange and temperature reduction enters the cooling water tank (1) through a cooling water tank water inlet pipe (21);
5) The liquid level meter in the cooling water tank (1) transmits the measured real-time liquid level height of the cooling water tank (1) to the controller, and the controller compares the real-time liquid level height with a preset liquid level height range value: when the liquid level in the cooling water tank (1) is lower than the preset minimum liquid level, the controller controls the second pneumatic adjusting valve (10) to be opened, and desalted water enters the cooling water tank (1) through the desalted water inlet pipe (18); when the liquid level in the cooling water tank (1) is higher than the preset highest liquid level, the controller controls the second pneumatic adjusting valve (10) to be closed, so that cooling water is not injected into the cooling water tank (1);
6) The cooling water of the heat exchanger enters the heat exchanger (4) through a cooling water inlet pipe (19) of the heat exchanger, exchanges heat with the water in a cylinder cooling water return pipe (17), and flows out of the heat exchanger (4) through a cooling water outlet pipe (20) of the heat exchanger; the temperature sensing probe in the cooling water tank water inlet pipe (21) transmits the measured real-time temperature value of the cooling water in the cooling water tank water inlet pipe (21) to the controller, and the controller compares the real-time temperature value with a preset temperature range value: when the temperature of the cooling water in the cooling water tank water inlet pipe (21) is lower than a preset minimum temperature value, the controller controls the third pneumatic regulating valve (13) to be closed, so that the water inflow of the cooling water of the heat exchanger is reduced; when the temperature of the cooling water in the cooling water tank water inlet pipe (21) is higher than a preset highest temperature value, the controller controls the third pneumatic regulating valve (13) to be opened, so that the water inflow of the cooling water of the heat exchanger is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304751.7A CN109203421B (en) | 2018-11-05 | 2018-11-05 | Extruder barrel cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811304751.7A CN109203421B (en) | 2018-11-05 | 2018-11-05 | Extruder barrel cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109203421A CN109203421A (en) | 2019-01-15 |
| CN109203421B true CN109203421B (en) | 2024-07-09 |
Family
ID=64995027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811304751.7A Active CN109203421B (en) | 2018-11-05 | 2018-11-05 | Extruder barrel cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109203421B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208930684U (en) * | 2018-11-05 | 2019-06-04 | 开封龙宇化工有限公司 | A kind of extruder barrel cooling system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876076U (en) * | 2010-11-23 | 2011-06-22 | 浙江温兄机械阀业有限公司 | Tank group type hot water heating unit |
| KR101295609B1 (en) * | 2012-08-17 | 2013-08-12 | 주식회사 진우통상 | Thermo insulation and temperature control apparatus for injection molding cylinder |
| KR101393350B1 (en) * | 2013-04-08 | 2014-05-08 | 김영수 | Temperature control apparatus for mold |
| CN107787162B (en) * | 2016-08-31 | 2023-09-12 | 江苏海鼎电气科技有限公司 | Circulation cooling device adopting pure water medium and application method thereof |
| CN206311986U (en) * | 2016-12-21 | 2017-07-07 | 阿特斯阳光电力集团有限公司 | Automatic temperature control apparatus |
| CN108726520B (en) * | 2018-08-31 | 2024-01-05 | 内蒙古通威高纯晶硅有限公司 | Waste heat recovery system of reducing furnace |
-
2018
- 2018-11-05 CN CN201811304751.7A patent/CN109203421B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208930684U (en) * | 2018-11-05 | 2019-06-04 | 开封龙宇化工有限公司 | A kind of extruder barrel cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109203421A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104501648B (en) | A kind of data machine room rack cooling system | |
| CN208475641U (en) | Cold and hot oil switching Oil-temperature control machine | |
| CN105402969A (en) | Energy-saving deicing dynamic ice-making system and deicing operation method thereof | |
| CN109203421B (en) | Extruder barrel cooling system | |
| CN109664480B (en) | Tire semi-finished product low-temperature cooling circulation system | |
| CN208930684U (en) | A kind of extruder barrel cooling system | |
| CN109186091B (en) | Cooling medium supply device and control method | |
| CN109676114A (en) | A kind of aluminium bar casting recirculated water thermostatic control system and method | |
| CN203489709U (en) | Fire door cooling device | |
| CN204856082U (en) | Extruder circulating water automatic temperature control and detection of water level switched systems | |
| CN205601113U (en) | Shaping auxiliary system of injection moulding mould | |
| CN208181021U (en) | A kind of automobile cooling system cleaning and cooling fluid exchange integrated car curing means | |
| CN110344840B (en) | External water circulation system with automatic control for TBM and external water circulation method | |
| CN210253567U (en) | Cold rolling emulsion temperature automatic control system | |
| CN211097690U (en) | Primary alcohol precipitation device for safflower concentrated solution | |
| CN210832645U (en) | Siphon oil cooling system of screw parallel compressor unit | |
| CN209111315U (en) | A kind of oil temperature machine cooling system | |
| CN209279395U (en) | A kind of cooling medium feedway | |
| CN112665449A (en) | Full-automatic self-cleaning plate type heat exchange device and cleaning control method | |
| CN205351889U (en) | Dynamic system ice system of energy -conserving deicing | |
| CN206910835U (en) | A kind of condensing reflux system | |
| CN205607639U (en) | Be used for derailleur bench test room derailleur cooling system | |
| CN105758639A (en) | Transmission cooling system for transmission rack test room | |
| CN217613014U (en) | Anti-crystallization device | |
| CN216861766U (en) | Marine intelligent window washing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |