CN106584807A - Melt filtering metering device - Google Patents
Melt filtering metering device Download PDFInfo
- Publication number
- CN106584807A CN106584807A CN201611257333.8A CN201611257333A CN106584807A CN 106584807 A CN106584807 A CN 106584807A CN 201611257333 A CN201611257333 A CN 201611257333A CN 106584807 A CN106584807 A CN 106584807A
- Authority
- CN
- China
- Prior art keywords
- melt
- pipe
- outlet
- heating
- metering device
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/695—Flow dividers, e.g. breaker plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a melt filtering metering device. The melt filtering metering device comprises a shell, a discharging switching valve, a feeding switching valve, a discharging valve, an exhaust pipe, a melt inlet pipe, a heat medium outlet pipe, a discharging pipe, a melt outlet pipe, a heat medium inlet pipe, a liquid discharging opening, a sewage draining opening and a metering pump; a heat medium heating cavity is formed in the shell; the metering pump is fixed to a metering pump bracket; the heat medium outlet pipe is arranged on the melt inlet pipe in a sleeving manner; the heat medium inlet pipe is arranged on the melt outlet pipe in a sleeving manner. According to the melt filtering metering device disclosed by the invention, a melt filter and the metering pump are arranged in the same device; the flow of a melt before spinning is shortened; the degradation of the melt is avoided; the product quality is improved; the heat medium in the heat heating cavity ensures the consistency of the temperature of the melt which is discharged from the filter and the temperature of the melt in the metering pump, and the influence on the control and the product quality of the flow rate of the melt caused by the change of the melt temperature is avoided.
Description
Technical field
The present invention relates to the filtration field of measuring techniques of petrochemical industry, more specifically a kind of melt filtration metering dress
Put.
Background technology
Fondant filter and measuring pump are two separate devices in prior art, from screw extruder melting out
Body first passes through extruder head accessory and is filtered into fondant filter, enters through pipeline from fondant filter melt out and counts
Amount pump, the melt flowed out from measuring pump enters casing.In above process, from the melt of Screw Extrusion, need through longer
Flow process could enter casing, and elapsed time is longer, and signs of degradation, and fondant filter and melt in measuring pump easily occurs in melt
Temperature is inconsistent, affects control and the product quality of melt flow.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of melt flow process is short, product quality is high
Melt filtration metering device.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of melt filtration metering device, including housing, melt inlet pipe, heating agent outlet, vomit pipe, charging switching valve, go out
Material switching valve, exhaust discharging valve, melt outlet pipe, Heating medium pipe, tap hole, sewage draining exit and measuring pump, set in the housing
Have the first filter cavity, the first filtration core in the first filter cavity, the second filter cavity, in the second filter cavity
The second filtration core and heating medium for heating cavity, first filter cavity is provided with the first melt to go out in import and the first melt
Mouthful, second filter cavity is provided with import and the second melt inner outlet in the second melt, and the measuring pump main body is located at heat
In matchmaker's heating cavity, the heating agent outlet is sleeved on the melt inlet pipe, and the Heating medium pipe box is mounted in described molten
On body outlet, the import of the charging switching valve is connected by melt canal with the melt inlet pipe, the charging switching
The first outlet of valve is passed through by melt canal and inlet communication in first melt, the second outlet of the charging switching valve
Melt canal and inlet communication in second melt, the first import of the discharging switching valve is by melt canal and described the
One melt inner outlet is connected, and the second import of the discharging switching valve is connected by melt canal with the second melt inner outlet
Logical, by melt canal and the measuring pump inlet communication, the metering pump discharge is by molten for the outlet of the discharging switching valve
Body passage is connected with the melt outlet pipe.
In order to be able to make heating agent full of heating medium for heating cavity, so as to ensure the uniformity of heating medium for heating cavity inner temperature, heating agent
The top of heating cavity is connected by heating agent mozzle with the heating agent outlet.
In order to monitor the temperature in heating medium for heating cavity, housing is provided with the survey that can measure heating medium for heating cavity inner temperature
Warm sleeve.
In order to monitor the melt pressure into measuring pump, housing is provided with into pump pressure-measuring pipe, enters pump pressure-measuring pipe and measuring pump
Inlet communication；In order to monitor the melt pressure for flowing out measuring pump, melt outlet pipe is provided with out pump pressure-measuring pipe, go out pump pressure-measuring pipe with
Measuring pump outlet.
The housing upper is provided with blast pipe, when heating agent flows into heating medium for heating cavity, can be by heating medium for heating cavity
Air from blast pipe discharge.
Sealing hole is equipped with first filter cavity and the second filter cavity.
Sealing hole on first filter cavity and second filter cavity is sealed by fastening screw.
Metering pump frame is provided with the heating medium for heating cavity, the measuring pump is fixed on the metering pump frame.
The discharging switching valve is located at charging switching valve top.
Melt filtration metering device of the present invention is shortened by the way that fondant filter and measuring pump are fixed in same device
Flow process of the melt before spinning, it is to avoid the degraded of melt, improves the quality of product；The present invention is provided with heating medium for heating chamber
Body, the heating agent in heating medium for heating cavity ensure that the melt from filter out is consistent with the melt temperature in measuring pump, it is to avoid
Control and the product quality of melt flow are affected because of the variation of melt temperature；Heating agent outlet is sleeved on melt by the present invention
On inlet tube, Heating medium pipe box is mounted on melt outlet pipe, reduces the number of openings and weld on housing, increased again
Outward appearance is beautiful；The blast pipe of the present invention can discharge the air in heating medium for heating cavity, make heating agent be full of whole heating medium for heating chamber
Body, so as to ensure the uniformity of heating medium for heating cavity inner temperature.
Description of the drawings
Fig. 1 is the front view of melt filtration metering device of the present invention；
Fig. 2 is the top view of melt filtration metering device of the present invention；
Fig. 3 be in Fig. 2 along A-A to sectional view；
Fig. 4 is along the sectional view of B-B direction in Fig. 3；
Fig. 5 is the structural representation of the first filter cavity and the first filtration core in the present invention.
Specific embodiment
In conjunction with accompanying drawing in detail, the specific embodiment of the invention is described in detail：
As depicted in figs. 1 and 2, a kind of melt filtration metering device, including housing 1, discharging switching valve 2, charging switching valve 3, put
It is blast pipe 5, melt inlet pipe 6, heating agent outlet 7, vomit pipe 8 inside and outside material valve 4 and connection melt filtration metering device, molten
Body outlet 9, Heating medium pipe 10, tap hole 11 and sewage draining exit 12, discharging switching valve 2 is located at the top of charging switching valve 3.
As shown in Fig. 3, Fig. 4 and Fig. 5, it is provided with the first filter cavity 13, the second filter cavity 14 and heating agent in housing 1 and adds
Hot cavity 15.First filter cavity 13 is provided with the melt inner outlet 132 of import 131 and first, the first filter chamber in the first melt
The first filtration core 16 is provided with body 13；Second filter cavity 14 is provided with import and the second melt inner outlet in the second melt, the
The second filtration core 17 is provided with two filter cavities；Melt filtration metering device also includes measuring pump 18, in heating medium for heating cavity 15
Measuring pump support 19 is provided with, measuring pump 18 is fixed on measuring pump support 19；Led by heating agent on the top of heating medium for heating cavity 15
Flow tube 27 is connected with heating agent outlet 7.
Heating agent outlet 7 is sleeved on melt inlet pipe 6, and Heating medium pipe 10 is sleeved on melt outlet pipe 9, and charging is cut
The import for changing valve 3 is connected by melt canal 25 with melt inlet pipe 6, and the first outlet for feeding switching valve 3 passes through melt canal
25 connect with import 131 in the first melt, feed the second outlet of switching valve 3 by import in the melt of melt canal 25 and second
Connection, charging switching valve 3 can be switched in the case of non-stop-machine between first outlet and second outlet；Discharging switching
First import of valve 2 is connected by melt canal 25 with the first melt inner outlet 132, and the second import of the switching valve 2 that discharges passes through
Melt canal 25 connects with the second melt inner outlet, and discharging switching valve 2 can be in the case of non-stop-machine in the first import and the
Switch between two imports, the outlet of the switching valve 2 that discharges is by melt canal 25 and the inlet communication of measuring pump 18, measuring pump 18
Outlet is connected by melt canal 25 with melt outlet pipe 9.
In order to monitor the temperature in heating medium for heating cavity 15, housing 1 is provided with can measure the interior temperature of heating medium for heating cavity 15
The temperature-measuring casing 20 of degree.
In order to monitor the melt pressure into measuring pump 18, housing 1 is provided with into pump pressure-measuring pipe 21, enter pump pressure-measuring pipe 21 with
The inlet communication of measuring pump 18；In order to monitor the melt pressure for flowing out measuring pump 18, housing 1 is provided with out pump pressure-measuring pipe 22, goes out pump
Pressure-measuring pipe 22 and the outlet of measuring pump 18.
First fastening screw 24 is threadedly coupled with housing 1, and the front end of the first fastening screw 24 enters the first filter cavity 13
On sealing hole, realize sealing to the first filter cavity 13；Second fastening screw 23 is threadedly coupled with housing 1, and second holds out against
The sealing hole that the front end of screw rod 23 is entered on the second filter cavity 14, realizes the sealing to the second filter cavity 14.
Heating agent passes sequentially through Heating medium pipe 10, heating agent pipeline 26 in heating medium for heating cavity 15, and heating agent can be by warm
15 air is discharged from blast pipe 5 in matchmaker's heating cavity, closes blast pipe 5 after heating agent is full of heating medium for heating cavity 15, right
Heating agent in heating medium for heating cavity 15 is heated, the temperature in the measurement heating medium for heating of temperature-measuring casing 20 cavity 15, control system
Make the temperature stabilization in heating cavity 15 in setting range, last heating agent flows through heating agent mozzle 27 from heating agent outlet 7
Go out;After the temperature stabilization in heating medium for heating cavity 15 is in setting range, melt enters melt filtration meter from melt inlet pipe 6
In amount device, filtered into filter cavity by feeding three-way switch valve 3, then flowed out from discharging triple valve 2, by molten
Body pipeline enters measuring pump 18, and measuring pump 18 is controlled to melt flow, and the melt flowed out from measuring pump 18 is gone out by melt
Mouth pipe 9 flows out.
Claims (9)
1. a kind of melt filtration metering device, including housing, melt inlet pipe, heating agent outlet, vomit pipe, charging switching valve,
Discharging switching valve, exhaust discharging valve, melt outlet pipe, Heating medium pipe, tap hole and sewage draining exit, in the housing first is provided with
Filter cavity, the first filtration core in the first filter cavity, the second filter cavity, in the second filter cavity second
Filtration core, first filter cavity is provided with import and the first melt inner outlet, second filter cavity in the first melt
It is provided with import and the second melt inner outlet in the second melt, it is characterised in that：Also include measuring pump, be additionally provided with the housing
Heating medium for heating cavity, the measuring pump main body is located in heating medium for heating cavity, and the heating agent outlet is sleeved on the melt and enters
On mouth pipe, the Heating medium pipe box is mounted on the melt outlet pipe, and the import of the charging switching valve passes through melt canal
Connect with the melt inlet pipe, the first outlet of the charging switching valve is by melt canal and import in first melt
Connection, the second outlet of the charging switching valve by melt canal and inlet communication in second melt, cut by the discharging
The first import for changing valve is connected by melt canal with the first melt inner outlet, and the second import of the discharging switching valve is led to
Cross melt canal to connect with the second melt inner outlet, the outlet of the discharging switching valve is by melt canal and the metering
Pump inlet is connected, and the metering pump discharge is connected by melt canal with the melt outlet pipe.
2. melt filtration metering device according to claim 1, it is characterised in that：The top of the heating medium for heating cavity leads to
Cross heating agent mozzle to connect with the heating agent outlet.
3. melt filtration metering device according to claim 1, it is characterised in that：The housing upper is provided with measurement heating agent
The temperature-measuring casing of heat medium temperature in heating cavity.
4. melt filtration metering device according to claim 1, it is characterised in that：The housing is provided with into pump pressure measurement
Pipe, it is described enter pump pressure-measuring pipe and measuring pump inlet communication；The melt outlet pipe is provided with out pump pressure-measuring pipe, it is described go out pump pressure measurement
Pipe and measuring pump outlet.
5. melt filtration metering device according to claim 1, it is characterised in that：The housing is provided with blast pipe.
6. melt filtration metering device according to claim 1, it is characterised in that：First filter cavity and the second mistake
Sealing hole is equipped with filter chamber body.
7. melt filtration metering device according to claim 6, it is characterised in that：First filter cavity and described
Sealing hole on two filter cavities is sealed by fastening screw.
8. melt filtration metering device according to claim 1, it is characterised in that：Meter is provided with the heating medium for heating cavity
Amount pump frame, the measuring pump is fixed on the metering pump frame.
9. melt filtration metering device according to claim 1, it is characterised in that：The discharging switching valve is cut positioned at charging
Change valve top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257333.8A CN106584807B (en) | 2016-12-30 | 2016-12-30 | A kind of melt filtration metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611257333.8A CN106584807B (en) | 2016-12-30 | 2016-12-30 | A kind of melt filtration metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106584807A true CN106584807A (en) | 2017-04-26 |
| CN106584807B CN106584807B (en) | 2018-07-27 |
Family
ID=58583167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611257333.8A Active CN106584807B (en) | 2016-12-30 | 2016-12-30 | A kind of melt filtration metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106584807B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484978A (en) * | 2019-08-30 | 2019-11-22 | 河南乾元过滤设备有限公司 | A kind of pressurization fondant filter |
| CN113878845A (en) * | 2021-09-30 | 2022-01-04 | 雁峰集团有限公司 | Plastic extruder with filter element replaced without shutdown and plastic wire drawing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456828A (en) * | 1993-11-08 | 1995-10-10 | Zimmer Aktiengesellschaft | Polymer melt filtration apparatus |
| CN2564333Y (en) * | 2001-02-21 | 2003-08-06 | 江浩 | Heating warm bag |
| CN202506214U (en) * | 2012-04-20 | 2012-10-31 | 温州市龙湾正泰机械厂 | Polymer filter |
| CN203494281U (en) * | 2013-09-13 | 2014-03-26 | 浙江华清新材料有限公司 | Polyester melt filter |
| CN206426438U (en) * | 2016-12-30 | 2017-08-22 | 河南乾元过滤设备有限公司 | A kind of melt filtration metering device |
-
2016
- 2016-12-30 CN CN201611257333.8A patent/CN106584807B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5456828A (en) * | 1993-11-08 | 1995-10-10 | Zimmer Aktiengesellschaft | Polymer melt filtration apparatus |
| CN2564333Y (en) * | 2001-02-21 | 2003-08-06 | 江浩 | Heating warm bag |
| CN202506214U (en) * | 2012-04-20 | 2012-10-31 | 温州市龙湾正泰机械厂 | Polymer filter |
| CN203494281U (en) * | 2013-09-13 | 2014-03-26 | 浙江华清新材料有限公司 | Polyester melt filter |
| CN206426438U (en) * | 2016-12-30 | 2017-08-22 | 河南乾元过滤设备有限公司 | A kind of melt filtration metering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484978A (en) * | 2019-08-30 | 2019-11-22 | 河南乾元过滤设备有限公司 | A kind of pressurization fondant filter |
| CN113878845A (en) * | 2021-09-30 | 2022-01-04 | 雁峰集团有限公司 | Plastic extruder with filter element replaced without shutdown and plastic wire drawing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106584807B (en) | 2018-07-27 |
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