CN218615407U - MD pipeline electric heating device - Google Patents
MD pipeline electric heating device Download PDFInfo
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- CN218615407U CN218615407U CN202121096570.7U CN202121096570U CN218615407U CN 218615407 U CN218615407 U CN 218615407U CN 202121096570 U CN202121096570 U CN 202121096570U CN 218615407 U CN218615407 U CN 218615407U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an MD pipeline electric heating device, which comprises a first preheating roller, a second preheating roller, a first stretching roller and a second stretching roller which are arranged in sequence, wherein the first preheating roller, the second preheating roller, the first stretching roller and the second stretching roller are all metal rollers; the water heater is characterized by further comprising a first water pump, a second water pump, a first electric heater, a second electric heater and a hot water pipeline, wherein the first electric heater and the second electric heater are arranged in the hot water pipeline. The utility model discloses an electric heater unit has temperature control precision height, can not corrode the metal roller, has prolonged the life's of metal roller advantage.
Description
Technical Field
The utility model relates to a film production technical field especially relates to a MD pipeline electric heater unit.
Background
MD is a longitudinal drawing device, and the film completes a longitudinal drawing process under the action of certain temperature and external force to form a film. The traditional MD pipeline electric heating device adds steam into a pipeline of a metal roller to heat tap water to transfer heat to the metal roller so as to meet the process requirement, but the steam contains liquid medicine, so that the traditional MD pipeline electric heating device has a corrosion effect on the metal roller, and the temperature control precision is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an MD pipeline electric heater unit to solve the easy technical problem that corrodes and the control by temperature change precision is not high of metal roller.
In order to achieve the above object, the utility model discloses a specific technical scheme as follows of MD pipeline electric heater unit:
an MD pipeline electric heating device comprises a first preheating roller, a second preheating roller, a first stretching roller and a second stretching roller which are sequentially arranged, wherein the first preheating roller, the second preheating roller, the first stretching roller and the second stretching roller are all metal rollers; the water heater is characterized by further comprising a first water pump, a second water pump, a first electric heater, a second electric heater and a hot water pipeline, wherein the first electric heater and the second electric heater are arranged in the hot water pipeline;
a water return pipeline of the first water pump is connected with a water inlet pipeline of the first preheating roller through a hot water pipeline where the first electric heater is located, the water inlet pipeline of the first preheating roller is communicated to the inside of the first preheating roller, and the water return pipeline of the first preheating roller is connected with a water inlet pipeline of the first water pump to form a first closed circulating hot water pipeline;
a water return pipeline of the second water pump is connected with a water inlet pipeline of the second preheating roller through a hot water pipeline where the second electric heater is located, the water inlet pipeline of the second preheating roller is communicated to the inside of the second preheating roller, and then the water return pipeline of the second preheating roller is connected with a water inlet pipeline of the second water pump to form a second closed circulating hot water pipeline;
and the water return pipeline of the second water pump is connected with the water inlet pipeline of the second stretching roller through the hot water pipeline where the second electric heater is located, the water inlet pipeline of the second stretching roller is communicated to the inside of the second stretching roller and is connected with the water inlet pipeline of the first stretching roller through the water return pipeline of the second stretching roller, the water inlet pipeline of the first stretching roller is connected to the inside of the first stretching roller, and the water return pipeline of the first stretching roller is connected with the water inlet pipeline of the second water pump to form a third closed circulating hot water pipeline.
Furthermore, a section of hot water pipeline connected with the water inlet pipeline of the first preheating roller, the water inlet pipeline of the first stretching roller and the water inlet pipeline of the second stretching roller is a metal hose; and one section of hot water pipeline connected with the water return pipeline of the first preheating roller, the water return pipeline of the first stretching roller and the second stretching water return pipeline is a metal hose.
Furthermore, the water inlet pipeline of the first preheating roller and the water return pipeline of the first preheating roller are connected with the metal hoses on the corresponding hot water pipelines through rotary joints; the water inlet pipeline of the second preheating roller and the water return pipeline of the second preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints; the water inlet pipeline of the first stretching roller and the water return pipeline of the first preheating roller are connected with the metal hoses on the corresponding hot water pipelines through rotary joints; and the water inlet pipeline of the second preheating roller and the water return pipeline of the first preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints.
Furthermore, electromagnetic valves are arranged on two sides of the hot water pipeline where the first electric heater is located; electromagnetic valves are arranged on two sides of the hot water pipeline where the second electric heater is located; and a return water pipeline passing through the first preheating roller behind the first preheating roller is provided with an electromagnetic valve.
The MD pipeline electric heating device of the utility model has the advantages of high temperature control precision, no corrosion to the metal roller and prolonged service life of the metal roller.
Drawings
Fig. 1 is a schematic structural view of the MD pipe electric heating device of the present invention;
description of reference numerals: 1-a first preheating roller pump, 2-a second preheating roller, 3-a first stretching roller, 4-a second stretching roller, 5-a first water pump, 6-a second water pump, 7-a first electric heater, 8-a second electric heater, 9-an electromagnetic valve, 10-a metal hose and 10 a-a rotary joint.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a MD pipeline electric heater unit, including the first preheating roller 1, the second preheating roller 2, first stretching roller 3, the stretching roller 4 of second that arrange in proper order, first preheating roller 1, second preheating roller 2, first stretching roller 3, the stretching roller 4 of second are the metal roller. The electric heating device further comprises a first water pump 5, a second water pump 6, a first electric heater 7, a second electric heater 8 and a hot water pipeline, wherein the first electric heater 7 and the second electric heater are arranged in the hot water pipeline.
The water outlet pipeline 51 of the first water pump is connected with the water inlet pipeline 11 of the first preheating roller through the hot water pipeline where the first electric heater 7 is located, the water inlet pipeline 11 of the first preheating roller is communicated with the inside of the first preheating roller, and then the water return pipeline 12 of the first preheating roller is connected with the water inlet pipeline 52 of the first water pump to form a first closed circulation hot water pipeline. The water inlet pipeline 11 of the first preheating roller and the water return pipeline 12 of the first preheating roller are respectively connected with the metal hoses 10 on the water inlet pipeline and the water return pipeline through rotary joints 10 a.
The two sides of the hot water pipeline where the first electric heater 8 is located are respectively provided with an electromagnetic valve 9, and the return water pipeline of the first preheating roller is also provided with an electromagnetic valve 9.
The water outlet pipeline 61 of the second water pump is connected with the water inlet pipeline 21 of the second preheating roller through the hot water pipeline where the second electric heater 8 is located, the water inlet pipeline 21 of the second preheating roller is connected to the inside of the second preheating roller 2, and then is connected with the water inlet pipeline 62 of the second water pump through the water return pipeline 22 of the second preheating roller to form a second closed circulation hot water pipeline. The water inlet pipeline 21 of the second preheating roller and the water return pipeline 22 of the second preheating roller are respectively connected with the metal hoses 10 on the water inlet pipeline and the water return pipeline through the rotary joints 10 a.
The water outlet pipeline 61 of the second water pump is connected with the water inlet pipeline 41 of the second stretching roller through the hot water pipeline where the second electric heater 8 is located, the water inlet pipeline 41 of the second stretching roller is connected to the inside of the second stretching roller 4, then the water return pipeline 42 of the second stretching roller is connected with the water inlet pipeline 31 of the first stretching roller, the water inlet pipeline 31 of the first stretching roller is connected to the inside of the first stretching roller 3, then the water return pipeline 32 of the first stretching roller is connected with the water inlet pipeline 62 of the second water pump, and a third closed circulating hot water pipeline is formed. The water inlet pipeline 31 of the first stretching roller and the water return pipeline 32 of the first stretching roller are respectively connected with the metal hoses 10 on the water inlet pipeline and the water return pipeline through the rotary joints 10 a. The water inlet pipe 41 of the second stretching roller and the water return pipe 42 of the first stretching roller are respectively connected with the metal hoses 10 on the water inlet pipe and the water return pipe through the rotary joints 10 a. The two sides of the hot water pipeline where the second electric heater 8 is located are respectively provided with an electromagnetic valve 9.
The present invention is not to be limited by the specific embodiments disclosed herein, and all embodiments that fall within the scope of the claims of the present application are intended to be embraced therein.
Claims (4)
1. The utility model provides a MD pipeline electric heater unit, is including the first preheating roller, second preheating roller, first stretching roller, the stretching roller of second that arrange in proper order, first preheating roller, the second preheating roller, first stretching roller and the stretching roller of second are the metal roller, its characterized in that: the water heater is characterized by further comprising a first water pump, a second water pump, a first electric heater, a second electric heater and a hot water pipeline, wherein the first electric heater and the second electric heater are arranged in the hot water pipeline;
a water return pipeline of the first water pump is connected with a water inlet pipeline of the first preheating roller through a hot water pipeline where the first electric heater is located, the water inlet pipeline of the first preheating roller is communicated to the inside of the first preheating roller and then connected with a water inlet pipeline of the first water pump through the water return pipeline of the first preheating roller, and a first closed circulating hot water pipeline is formed;
a water return pipeline of the second water pump is connected with a water inlet pipeline of the second preheating roller through a hot water pipeline where the second electric heater is located, the water inlet pipeline of the second preheating roller is communicated to the inside of the second preheating roller, and then the water return pipeline of the second preheating roller is connected with a water inlet pipeline of the second water pump to form a second closed circulating hot water pipeline;
and the water return pipeline of the second water pump is connected with the water inlet pipeline of the second stretching roller through the hot water pipeline where the second electric heater is located, the water inlet pipeline of the second stretching roller is communicated to the inside of the second stretching roller and is connected with the water inlet pipeline of the first stretching roller through the water return pipeline of the second stretching roller, the water inlet pipeline of the first stretching roller is connected to the inside of the first stretching roller, and the water return pipeline of the first stretching roller is connected with the water inlet pipeline of the second water pump to form a third closed circulating hot water pipeline.
2. The MD tube electrical heating apparatus of claim 1, wherein: a section of hot water pipeline which is respectively connected with the water inlet pipeline of the first preheating roller, the water inlet pipeline of the first stretching roller and the water inlet pipeline of the second stretching roller is a metal hose;
and one section of hot water pipeline respectively connected with the water return pipeline of the first preheating roller, the water return pipeline of the first stretching roller and the second stretching water return pipeline is a metal hose.
3. The MD tube electrical heating apparatus of claim 2, wherein: the water inlet pipeline of the first preheating roller and the water return pipeline of the first preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints;
the water inlet pipeline of the second preheating roller and the water return pipeline of the second preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints;
the water inlet pipeline of the first stretching roller and the water return pipeline of the first preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints;
and the water inlet pipeline of the second preheating roller and the water return pipeline of the first preheating roller are connected with the metal hose on the corresponding hot water pipeline through rotary joints.
4. The MD tube electrical heating apparatus of claim 1, wherein: electromagnetic valves are arranged on two sides of the hot water pipeline where the first electric heater is located; and electromagnetic valves are arranged on two sides of the hot water pipeline where the second electric heater is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096570.7U CN218615407U (en) | 2021-05-21 | 2021-05-21 | MD pipeline electric heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096570.7U CN218615407U (en) | 2021-05-21 | 2021-05-21 | MD pipeline electric heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218615407U true CN218615407U (en) | 2023-03-14 |
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ID=85421942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121096570.7U Active CN218615407U (en) | 2021-05-21 | 2021-05-21 | MD pipeline electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218615407U (en) |
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2021
- 2021-05-21 CN CN202121096570.7U patent/CN218615407U/en active Active
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