CN213260504U - Melting device of polyester raw material - Google Patents
Melting device of polyester raw material Download PDFInfo
- Publication number
- CN213260504U CN213260504U CN202021707946.9U CN202021707946U CN213260504U CN 213260504 U CN213260504 U CN 213260504U CN 202021707946 U CN202021707946 U CN 202021707946U CN 213260504 U CN213260504 U CN 213260504U
- Authority
- CN
- China
- Prior art keywords
- cylindrical inner
- inner shell
- shell
- piston
- heat insulation
- 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.)
- Expired - Fee Related
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- 239000002994 raw material Substances 0.000 title claims abstract description 23
- 238000002844 melting Methods 0.000 title claims abstract description 19
- 230000008018 melting Effects 0.000 title claims abstract description 19
- 229920000728 polyester Polymers 0.000 title claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000008367 deionised water Substances 0.000 claims abstract description 12
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 29
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 150000007519 polyprotic acids Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a melting device of polyester raw materials, which comprises a cylindrical inner shell, a heat preservation sleeve and a linear lead screw motor, wherein a piston is arranged on the top of an inner cavity of the cylindrical inner shell in a sliding and sealing manner, the bottom end of the cylindrical inner shell is detachably connected with a bottom shell through a bolt, the bottom of the bottom shell is connected with a discharge valve, the discharge valve is communicated with the inner cavity of the cylindrical inner shell, the outer wall of the cylindrical inner shell is sleeved with a plurality of electric heating rings from top to bottom, and the top end of the cylindrical inner shell is communicated with a feeding pipe; when the melting device needs to be cleaned after being heated, the piston can be driven to move downwards by the linear screw rod motor so as to scrape off part of the raw materials adhered to the inner wall of the cylindrical inner shell; the waste heat of the electric heating ring can be used for heating the deionized water layer in the heat preservation sleeve, and when heat preservation is needed, the deionized water layer with higher temperature is used for preserving heat, so that the working time of the electric heating ring is shortened, and the overall energy consumption of the device can be reduced.
Description
Technical Field
The utility model relates to a polyester production field, concretely relates to melting device of polyester raw materials.
Background
The polyester is a generic name of a polymer obtained by polycondensation of a polyhydric alcohol and a polybasic acid. Is an engineering plastic with excellent performance and wide application.
At present, in the production and processing of polyester, raw materials of the polyester are generally required to be melted and then are kept warm for a period of time, the traditional melting device mainly heats and melts the raw materials in a shell through an electric heating ring, but partial raw materials are adhered to the inner wall of the shell of the melting device and are difficult to clean after the raw materials are melted, and the heating efficiency of the melting device is reduced along with the increase of the adhesion amount for a long time; in addition, the traditional melting device also depends on an electric heating ring for low-power heating in the heat preservation process, and the consumed energy is relatively large.
Therefore, how to solve the defects of the prior art is a subject of the present invention.
Disclosure of Invention
In order to solve the problem, the utility model discloses a melting device of polyester raw materials.
In order to achieve the above purpose, the utility model provides a following technical scheme: a polyester raw material melting device is characterized in that: the device comprises a cylindrical inner shell, a heat insulation sleeve and a linear screw rod motor, wherein a piston is arranged at the top of an inner cavity of the cylindrical inner shell in a sliding and sealing manner, the bottom end of the cylindrical inner shell is detachably connected with a bottom shell through a bolt, the bottom of the bottom shell is connected with a discharge valve, the discharge valve is communicated with the inner cavity of the cylindrical inner shell, a plurality of electric heating rings are sleeved on the outer wall of the cylindrical inner shell from top to bottom, and a feeding pipe is communicated with the top end of the cylindrical inner shell;
the heat insulation sleeve is sleeved on the outer wall of the electric heating ring, the heat insulation sleeve is of a hollow structure, a deionized water layer is filled in the heat insulation sleeve, the top end of the heat insulation sleeve is communicated with a pressure release valve, and the bottom of the heat insulation sleeve is communicated with a water drainage valve;
the linear screw motor is installed at the top of the cylindrical inner shell through a support, and a screw rod of the linear screw motor is vertically arranged and extends into the cylindrical inner shell to be rotatably connected with the top of the piston.
As an improvement of the utility model, the outer wall cover of piston is equipped with a plurality of piston rings, the piston is through a plurality of the piston ring with the sealed cooperation of the inner chamber wall of tube-shape inner shell.
As an improvement of the utility model, the top of tube-shape inner shell with be provided with the insulating layer between the support, the insulating layer is the glass fiber insulating layer.
As an improvement of the utility model, the drain pan is hourglass hopper-shaped.
As an improvement of the utility model, the outer wall of the heat preservation sleeve is also attached with a polyurethane heat preservation layer.
Compared with the prior art, the utility model has the advantages of as follows: the melting device of the utility model is provided with a cylindrical inner shell, the top of the inner cavity of the cylindrical inner shell is provided with a piston in a sliding sealing way, when the melting device needs to be cleaned after being heated, the piston can be driven to move downwards by a linear lead screw motor to scrape off part of raw materials adhered to the inner wall of the cylindrical inner shell, so that the influence on subsequent use is avoided, and the cleaning operation is more convenient; the outside of tube-shape inner shell is equipped with the insulation cover, and the insulation cover intussuseption is filled with the deionized water layer, and usable electric heating ring's waste heat heats the deionized water layer in the insulation cover, when needs keep warm, utilizes the higher deionized water layer of temperature to keep warm to this operating time who reduces electric heating ring to can reduce the holistic energy resource consumption of device.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of FIG. 1;
fig. 3 is a cross-sectional view of the present invention.
List of reference numerals: 100 cylindrical inner shells, 101 pistons, 102 bottom shells, 103 discharge valves, 104 electric heating rings, 105 feeding pipes, 200 heat preservation sleeves, 201 deionized water layers, 202 pressure release valves, 203 drain valves, 300 linear screw rod motors, 301 supports and 400 heat insulation layers.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example (b): referring to fig. 1-3, a melting device for polyester raw materials comprises a cylindrical inner shell 100, a heat insulation sleeve 200 and a linear screw motor 300, wherein a piston 101 is arranged at the top of an inner cavity of the cylindrical inner shell 100 in a sliding and sealing manner, a bottom shell 102 is detachably connected to the bottom end of the cylindrical inner shell 100 through a bolt, a discharge valve 103 is connected to the bottom of the bottom shell 102, the discharge valve 103 is communicated with the inner cavity of the cylindrical inner shell 100, a plurality of electric heating rings 104 are sleeved on the outer wall of the cylindrical inner shell 100 from top to bottom, and a feeding pipe 105 is communicated with the top end of the cylindrical inner; the cylindrical inner shell 100 is cast and molded by adopting aluminum alloy, the outer wall of the piston 101 is sleeved with a plurality of piston rings, the piston 101 is attached to the inner cavity wall of the cylindrical inner shell 100 through the plurality of piston rings to be in sealing fit with the inner cavity wall, and the piston rings are alloy cast iron piston rings with higher strength; the electric heating ring 104 is an existing annular stainless steel electric heating ring, is tightly attached to the outer wall of the cylindrical inner shell 100, and is used for heating the cylindrical inner shell 100;
the thermal insulation sleeve 200 is sleeved on the outer wall of the electric heating ring 104, the thermal insulation sleeve 200 is of a hollow structure, a deionized water layer 201 is filled in the thermal insulation sleeve 200, the top end of the thermal insulation sleeve 200 is communicated with a pressure release valve 202, and the bottom of the thermal insulation sleeve 200 is communicated with a water discharge valve 203; the deionized water layer 201 is a pure water layer from which impurities in the form of ions are removed, and contains fewer impurities, so that the generation of scale during the heating process can be reduced; when the heat insulation sleeve 200 contains gas and the gas pressure is too high to reach the set pressure value of the pressure release valve 202, the pressure release valve 202 can be automatically opened to exhaust gas, so that the protection effect is achieved;
the linear screw motor 300 is installed on the top of the cylindrical inner shell 100 through a bracket 301, and a screw of the linear screw motor 300 is vertically arranged and extends into the cylindrical inner shell 100 to be rotationally connected with the top of the piston 101; the linear screw rod motor 300 can adopt an existing DT42LN34 type motor, which takes a stepping motor as a power source, combines a thread transmission assembly with a motor rotor, converts the rotary motion of the motor into the linear motion of a screw rod and is used for driving the piston 101 to do linear motion;
when the device works, the feeding pipe 105 is communicated with an external polyester raw material conveying pipe, raw materials enter the inner cavity of the cylindrical inner shell 100 from the feeding pipe 105, the electric heating ring 104 is started, and the raw materials are heated and melted through the electric heating ring 104;
when cleaning is needed, firstly, the connecting bolt between the bottom shell 102 and the cylindrical inner shell 100 is detached, the linear lead screw motor 300 is started, the lead screw of the linear lead screw motor 300 extends out to push the piston 101 to move downwards, and the piston 101 moves downwards to scrape part of raw materials adhered to the inner wall of the cylindrical inner shell 100 due to the fact that the piston 101 is tightly attached to the inner cavity wall of the cylindrical inner shell 100, so that the influence on subsequent use is avoided, and the cleaning operation is convenient;
under the operating condition, the waste heat electric heating ring 104 of the electric heating ring 104 can emit certain heat to heat the deionized water layer 201 in the insulating sleeve 200 in the heating process, and when the heat is required to be preserved, the deionized water layer 201 with higher temperature is used for preserving the heat, so that the working time of the electric heating ring 104 is reduced, and the integral energy consumption of the device can be reduced.
An insulating layer 400 is arranged between the top of the cylindrical inner shell 100 and the bracket 301, and the insulating layer 400 is a glass fiber insulating layer, so that the heat transfer between the cylindrical inner shell 100 and the bracket 301 can be reduced.
The bottom case 102 is funnel-shaped, and the raw materials in the cylindrical inner casing 100 can be collected together through the funnel-shaped bottom case 102.
The outer wall of the thermal insulation sleeve 200 is also attached with a polyurethane thermal insulation layer, so that the heat loss of the thermal insulation sleeve 200 can be reduced.
The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (5)
1. A polyester raw material melting device is characterized in that: the device comprises a cylindrical inner shell (100), a heat insulation sleeve (200) and a linear screw motor (300), wherein a piston (101) is arranged at the top of an inner cavity of the cylindrical inner shell (100) in a sliding and sealing mode, the bottom end of the cylindrical inner shell (100) is detachably connected with a bottom shell (102) through a bolt, the bottom of the bottom shell (102) is connected with a discharge valve (103), the discharge valve (103) is communicated with the inner cavity of the cylindrical inner shell (100), a plurality of electric heating rings (104) are sleeved on the outer wall of the cylindrical inner shell (100) from top to bottom, and the top end of the cylindrical inner shell (100) is communicated with a feeding pipe (105);
the heat insulation sleeve (200) is sleeved on the outer wall of the electric heating ring (104), the heat insulation sleeve (200) is of a hollow structure, a deionized water layer (201) is filled in the heat insulation sleeve (200), the top end of the heat insulation sleeve (200) is communicated with a pressure release valve (202), and the bottom of the heat insulation sleeve (200) is communicated with a water discharge valve (203);
the linear screw motor (300) is mounted at the top of the cylindrical inner shell (100) through a support (301), and a screw rod of the linear screw motor (300) is vertically arranged and extends into the cylindrical inner shell (100) to be rotatably connected with the top of the piston (101).
2. A polyester raw material melting apparatus as set forth in claim 1, characterized in that: the outer wall of the piston (101) is sleeved with a plurality of piston rings, and the piston (101) is in sealing fit with the inner cavity wall of the cylindrical inner shell (100) through the plurality of piston rings.
3. A polyester raw material melting apparatus as set forth in claim 1, characterized in that: a heat insulation layer (400) is arranged between the top of the cylindrical inner shell (100) and the support (301), and the heat insulation layer (400) is a glass fiber heat insulation layer.
4. A polyester raw material melting apparatus as set forth in claim 1, characterized in that: the bottom shell (102) is funnel-shaped.
5. A polyester raw material melting apparatus as set forth in claim 1, characterized in that: the outer wall of the heat-insulating sleeve (200) is also attached with a polyurethane heat-insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707946.9U CN213260504U (en) | 2020-08-14 | 2020-08-14 | Melting device of polyester raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021707946.9U CN213260504U (en) | 2020-08-14 | 2020-08-14 | Melting device of polyester raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213260504U true CN213260504U (en) | 2021-05-25 |
Family
ID=75973210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021707946.9U Expired - Fee Related CN213260504U (en) | 2020-08-14 | 2020-08-14 | Melting device of polyester raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213260504U (en) |
-
2020
- 2020-08-14 CN CN202021707946.9U patent/CN213260504U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 |