CN208930684U - A kind of extruder barrel cooling system - Google Patents
A kind of extruder barrel cooling system Download PDFInfo
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- CN208930684U CN208930684U CN201821804948.2U CN201821804948U CN208930684U CN 208930684 U CN208930684 U CN 208930684U CN 201821804948 U CN201821804948 U CN 201821804948U CN 208930684 U CN208930684 U CN 208930684U
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- cooling
- water inlet
- water
- machine barrel
- barrel
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Abstract
The utility model discloses a kind of extruder barrel cooling systems, including cooling trough, the water outlet of cooling trough is connected to the water inlet of pump, the water outlet of pump is connected to by machine barrel cooling water inlet pipe line with the water inlet of cooling device for machine barrel, the water outlet of cooling device for machine barrel is connected to by machine barrel cooling water return pipe line with the first water inlet of heat exchanger, and the first water outlet of heat exchanger is connected to by cooling trough water inlet pipe with the water inlet of cooling trough；It is connected at the top of cooling trough with demineralized water water inlet pipe, the second pneumatic control valve is provided on demineralized water water inlet pipe, the second pneumatic control valve is electrically connected with the liquid level monitor being arranged in cooling trough.Extruder barrel cooling system provided by the utility model realizes automatic, the accurate control adjusted to barrel temperature, improves the quality of product；Recycling for cooling water is realized, has been achieved the purpose that energy-saving.
Description
Technical field
The utility model belongs to extruder barrel technical field of temperature control, and in particular to a kind of extruder barrel cooling system
System.
Background technique
More stringent to barrel temperature requirement in extruder operational process, barrel temperature height be easy to cause material discoloration knot
Coke, temperature is low, material can not be made sufficiently to melt, and our factory extruder is using heater plate and the cooling phase interworking of cooling water at present
The mode of conjunction carries out the control of barrel temperature, and the existing type of cooling is cooled down using recirculated water, and Inlet and outlet water manually adjusts, according to
Operating condition, there are obvious shortcomings for the existing type of cooling: 1, recirculated cooling water manually adjusts, and temperature adjusting is caused to have delay, temperature
Degree control is inaccurate；2, the recirculated water summer temperature difference is higher, and is easy to fly into the impurity such as willow wadding, can not effectively play cooling work
With；3, since barrel temperature is higher, cooling water return water, which is heated, can occur vaporization phenomenon, water attack is easy to produce, to circulating water pipe
Net causes to impact.
Summary of the invention
A kind of extruder barrel cooling system is provided the purpose of the utility model is to overcome the defect of existing apparatus.
The purpose of this utility model is achieved in that
A kind of extruder barrel cooling system, including cooling trough, the water outlet of cooling trough are connected to the water inlet of pump,
The water outlet of pump is connected to by machine barrel cooling water inlet pipe line with the water inlet of cooling device for machine barrel, the water outlet of cooling device for machine barrel
Mouth is connected to by machine barrel cooling water return pipe line with the first water inlet of heat exchanger, and the first water outlet of heat exchanger passes through cooling water
Slot water inlet pipe is connected to the water inlet of cooling trough；It is connected at the top of cooling trough with demineralized water water inlet pipe, on demineralized water water inlet pipe
It is provided with the second pneumatic control valve, the second pneumatic control valve is electrically connected with the liquid level monitor being arranged in cooling trough；
Cooling device for machine barrel includes the first pneumatic control valve, barrel jacket, check-valves, metal hose and pressure surge proof device,
The water outlet of pump is connected to by machine barrel cooling water inlet pipe line with the water inlet of barrel jacket, the water outlet and non-return of barrel jacket
The water inlet of valve is connected to, and the water outlet of check-valves is connected to the water inlet of metal hose, the water outlet and water impact preventing of metal hose
The water inlet of device is connected to, and the water outlet of pressure surge proof device is intake with by the first of machine barrel cooling water return pipe line and heat exchanger
Mouth connection；
First pneumatic control valve is electrically connected with the temperature monitor being arranged in machine barrel；
Heat exchanger cooling water inlet pipe is connected to the second water inlet of heat exchanger, heat exchanger cooling water outlet pipe and heat exchanger
The second water outlet connection.
Overflow pipe is provided at the top of the cooling trough.
The bottom of the cooling trough is provided with the first delivery pipe.
First filter is provided on the machine barrel cooling water return pipe line.
The second filter is provided on the heat exchanger cooling water inlet pipe.
Third pneumatic control valve, third pneumatic control valve and cooling trough are provided on the heat exchanger cooling water outlet pipe
The temperature monitor electrical connection being arranged in water inlet pipe.
The cooling device for machine barrel is at least two, and cooling device for machine barrel is arranged in parallel.
The exchanger base is provided with the second delivery pipe.
The pressure surge proof device is located in machine barrel cooling water return pipe line, including a round tube, and round tube one end is welded on machine barrel
On cooling water return pipe line, the other end is shut, and several through-holes are offered on round tube side wall；The water outlet of metal hose passes through cutting ferrule
Or flange is fixed on machine barrel cooling water return pipe line outer wall, so that the water inlet of the water outlet of metal hose and pressure surge proof device
Connection.
Compared with the existing technology, extruder barrel cooling system provided by the utility model, realizes to barrel temperature tune
Automatic, the accurate control of section, improves the quality of product；Recycling for cooling water is realized, energy-saving mesh has been reached
's.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of metal hose and pressure surge proof device part.
Wherein, 1 is cooling trough；2 be pump；3 be machine barrel；4 be heat exchanger；5 be the first pneumatic control valve；6 be check-valves；
7 be metal hose；8 be pressure surge proof device；9 be first filter；10 be the second pneumatic control valve；11 be overflow pipe；12 be
One delivery pipe；13 be third pneumatic control valve；14 be the second filter；15 be the second delivery pipe；16 be the water inlet of machine barrel cooling water
Pipeline；17 be machine barrel cooling water return pipe line；18 be demineralized water water inlet pipe；19 be heat exchanger cooling water inlet pipe；20 be heat exchange
Device cooling water outlet pipe；21 be cooling trough water inlet pipe；22 be barrel jacket.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.Following embodiment be it is descriptive, be not limited to
The protection scope of the utility model.
As shown in Figs. 1-2, a kind of extruder barrel cooling system, including cooling trough 1, the water outlet of cooling trough 1 with
The water inlet connection of pump 2, the water outlet for pumping 2 pass through the water inlet of machine barrel cooling water inlet pipe line 16 and cooling device for machine barrel company
Logical, the water outlet of cooling device for machine barrel is connected to by machine barrel cooling water return pipe line 17 with the first water inlet of heat exchanger 4, is exchanged heat
First water outlet of device 4 is connected to by cooling trough water inlet pipe 21 with the water inlet of cooling trough 1；The top of cooling trough 1 with remove
Salt water water inlet pipe 18 is connected to, and is provided with the second pneumatic control valve 10 on demineralized water water inlet pipe 18, the second pneumatic control valve 10 with set
Set the liquid level monitor electrical connection in cooling trough 1；
Cooling device for machine barrel includes the first pneumatic control valve 5, barrel jacket 22, check-valves 6, metal hose 7 and water impact preventing
Device 8 pumps 2 water outlet and is connected to by machine barrel cooling water inlet pipe line 16 with the water inlet of barrel jacket 22, barrel jacket 22
Water outlet be connected to the water inlet of check-valves 6, the water outlet of check-valves 6 is connected to the water inlet of metal hose 7, metal hose
7 water outlet is connected to the water inlet of pressure surge proof device 8, the water outlet of pressure surge proof device 8 with pass through machine barrel cooling water return pipe
Line 17 is connected to the first water inlet of heat exchanger 4；
First pneumatic control valve 5 is electrically connected with the temperature monitor being arranged in machine barrel 3；
Heat exchanger cooling water inlet pipe 19 is connected to the second water inlet of heat exchanger 4, heat exchanger cooling water outlet pipe 20 with
Second water outlet of heat exchanger is connected to.
On the start-stop signal integration to extruder operation interface of pump 2, long-range start-stop can be carried out, the remote of whole system is realized
Journey operation, saves a large amount of manpowers.
Check-valves 6 can prevent cooling water return water adverse current, guarantee that device is stablized.
The setting of metal hose 7 and pressure surge proof device 8 can effectively weaken and prevent due to return water part vaporizes generation water attack
Caused by pipeline vibration and the impact to system.
The top of cooling trough 1 is provided with overflow pipe 11, prevents the cooling water overfill in cooling trough 1.
The bottom of cooling trough 1 is provided with the first delivery pipe 12, checks pipeline when for driving, and when parking empties in pipeline
Medium prevents pipeline blockage and winter from freezing problem.
First filter 9 is provided on machine barrel cooling water return pipe line 17.
The second filter 14 is provided on heat exchanger cooling water inlet pipe 19.
Third pneumatic control valve 13, third pneumatic control valve 13 and cooling water are provided on heat exchanger cooling water outlet pipe 20
The temperature monitor electrical connection being arranged in slot water inlet pipe 21.
Cooling device for machine barrel is at least two, and cooling device for machine barrel is arranged in parallel.
4 bottom of heat exchanger is provided with the second delivery pipe 15, checks pipeline when for driving, and when parking, which empties in pipeline, to be situated between
Matter prevents pipeline blockage and winter from freezing problem.
Pressure surge proof device 8 is located in machine barrel cooling water return pipe line 17, including a round tube, and it is cold that round tube one end is welded on machine barrel
But on water return piping 17, the other end is shut, and several through-holes are offered on round tube side wall；The water outlet of metal hose 7 passes through card
Set or flange are fixed on 17 outer wall of machine barrel cooling water return pipe line, so that the water outlet of metal hose 7 and pressure surge proof device 8
Water inlet connection.
Such as the operation method of above-mentioned extruder barrel cooling system, the specific steps are as follows:
1) the first delivery pipe 12 and the second delivery pipe 15 are closed, the first pneumatic operated valve 5, the second pneumatic operated valve 10 and third gas are opened
Dynamic valve 13 carries out moisturizing to cooling trough 1, and the cooling water of heat exchanger 4 comes into operation；
2) start button of pump 2 is clicked by extruder operation interface, the cooling water in cooling trough 1 is passed through machine by pump 2
Cylinder cooling water inlet pipe line 16 is extracted into the first pneumatic control valve 5 barrel jacket 22 in the open state, is carried out to machine barrel 3 cold
But；Temperature-sensing probe in machine barrel 3 sends the real-time temperature values of the machine barrel 3 measured to controller, and controller is by the real time temperature
Value is compared with predetermined temperature value range: when the temperature in machine barrel 3 is lower than preset lowest temperature angle value, control
Device processed controls the first pneumatic control valve 5 and closes, and machine barrel 3 reaches temperature required by work, is not needing into barrel jacket 22
Inject cooling water；When the temperature in machine barrel 3 is higher than preset maximum temperature value, controller controls the first pneumatic control valve
5 open, and inject cooling water into barrel jacket 22, cool down to machine barrel 3；
3) cooling water in barrel jacket 22 successively passes through check-valves 6, metal hose 7 by the water outlet of barrel jacket 22
After pressure surge proof device 8, exchanged heat by machine barrel cooling water return pipe line 17 into heat exchanger 4；
4) cooling water by heat exchange cooling enters cooling trough 1 by cooling trough water inlet pipe 21；
5) liquidometer in cooling trough 1 sends the real-time level height of the cooling trough 1 measured to controller, controls
The real-time level height is compared by device with preset liquid level value range: the liquid level in cooling trough 1
When lower than preset minimum liquid level height, controller control the second pneumatic control valve 10 open, demineralized water through demineralized water into
Water pipe 18 enters in cooling trough 1；When the liquid level in cooling trough 1 is higher than preset highest liquid level, control
Device processed controls the second pneumatic control valve 10 and closes, and no longer injects cooling water into cooling trough 1；
6) heat exchanger cooling water enters in heat exchanger 4 through heat exchanger cooling water inlet pipe 19, to machine barrel cooling water return pipe
Water in line 17 exchanged heat after again through 20 outflow heat exchanger 4 of heat exchanger cooling water outlet pipe；In cooling trough water inlet pipe 21
Temperature-sensing probe send the real-time temperature values of the cooling water in the cooling trough water inlet pipe 21 measured to controller, controller will
The real-time temperature values are compared with predetermined temperature value range: when the temperature of the cooling water in cooling trough water inlet pipe 21
When lower than preset lowest temperature angle value, controller control third pneumatic control valve 13 is turned down, and reduces heat exchanger cooling water
Inflow；When the temperature of the cooling water in cooling trough water inlet pipe 21 is higher than preset maximum temperature value, controller control
Third pneumatic control valve 13 processed is opened greatly, and the inflow of heat exchanger cooling water is increased.
Connection between the above equipment, pipeline is connected to using the common pipe fitting of chemical field.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these also should be considered as
The protection scope of the utility model.
Claims (9)
1. a kind of extruder barrel cooling system, it is characterised in that: including cooling trough (1), the water outlet of cooling trough (1) with
The water inlet connection of (2) is pumped, the water outlet of pump (2) passes through the water inlet of machine barrel cooling water inlet pipe line (16) and cooling device for machine barrel
Mouth connection, the water outlet of cooling device for machine barrel pass through the first water inlet of machine barrel cooling water return pipe line (17) and heat exchanger (4)
First water outlet of connection, heat exchanger (4) is connected to by cooling trough water inlet pipe (21) with the water inlet of cooling trough (1)；It is cold
But it is connected at the top of sink (1) with demineralized water water inlet pipe (18), demineralized water water inlet pipe is provided with the second pneumatic control valve on (18)
(10), the second pneumatic control valve (10) is electrically connected with the liquid level monitor being arranged in cooling trough (1)；
Cooling device for machine barrel includes the first pneumatic control valve (5), barrel jacket (22), check-valves (6), metal hose (7) and prevents
The water outlet of water attack device (8), pump (2) is connected by machine barrel cooling water inlet pipe line (16) and the water inlet of barrel jacket (22)
Logical, the water outlet of barrel jacket (22) is connected to the water inlet of check-valves (6), the water outlet of check-valves (6) and metal hose (7)
Water inlet connection, the water outlet of metal hose (7) is connected to the water inlet of pressure surge proof device (8), pressure surge proof device (8) out
The mouth of a river is connected to by machine barrel cooling water return pipe line (17) with the first water inlet of heat exchanger (4)；
First pneumatic control valve (5) is electrically connected with the temperature monitor being arranged in machine barrel (3)；
Heat exchanger cooling water inlet pipe (19) is connected to the second water inlet of heat exchanger (4), heat exchanger cooling water outlet pipe (20)
It is connected to the second water outlet of heat exchanger.
2. extruder barrel cooling system according to claim 1, it is characterised in that: the top of the cooling trough (1)
It is provided with overflow pipe (11).
3. extruder barrel cooling system according to claim 1, it is characterised in that: the bottom of the cooling trough (1)
It is provided with the first delivery pipe (12).
4. extruder barrel cooling system according to claim 1, it is characterised in that: the machine barrel cooling water return pipe line
(17) first filter (9) are provided on.
5. extruder barrel cooling system according to claim 1, it is characterised in that: the heat exchanger cooling water inlet pipe
(19) the second filter (14) are provided on.
6. extruder barrel cooling system according to claim 1, it is characterised in that: the heat exchanger cooling water outlet pipe
(20) it is provided on third pneumatic control valve (13), is arranged in third pneumatic control valve (13) and cooling trough water inlet pipe (21)
Temperature monitor electrical connection.
7. extruder barrel cooling system according to claim 1, it is characterised in that: the cooling device for machine barrel is at least
Two, cooling device for machine barrel is arranged in parallel.
8. extruder barrel cooling system according to claim 1, it is characterised in that: heat exchanger (4) the bottom setting
There are the second delivery pipe (15).
9. extruder barrel cooling system according to claim 1, it is characterised in that: the pressure surge proof device (8) is located at
In machine barrel cooling water return pipe line (17), including a round tube, round tube one end are welded on machine barrel cooling water return pipe line (17), separately
One end is shut, and several through-holes are offered on round tube side wall；The water outlet of metal hose (7) is fixed on machine barrel by cutting ferrule or flange
On cooling water return pipe line (17) outer wall, so that the water outlet of metal hose (7) is connected to the water inlet of pressure surge proof device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804948.2U CN208930684U (en) | 2018-11-05 | 2018-11-05 | A kind of extruder barrel cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804948.2U CN208930684U (en) | 2018-11-05 | 2018-11-05 | A kind of extruder barrel cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208930684U true CN208930684U (en) | 2019-06-04 |
Family
ID=66726968
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821804948.2U Active CN208930684U (en) | 2018-11-05 | 2018-11-05 | A kind of extruder barrel cooling system |
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| Country | Link |
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| CN (1) | CN208930684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203421A (en) * | 2018-11-05 | 2019-01-15 | 开封龙宇化工有限公司 | A kind of extruder barrel cooling system |
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2018
- 2018-11-05 CN CN201821804948.2U patent/CN208930684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203421A (en) * | 2018-11-05 | 2019-01-15 | 开封龙宇化工有限公司 | A kind of extruder barrel cooling system |
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