CN204019791U - A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity - Google Patents
A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity Download PDFInfo
- Publication number
- CN204019791U CN204019791U CN201420428421.XU CN201420428421U CN204019791U CN 204019791 U CN204019791 U CN 204019791U CN 201420428421 U CN201420428421 U CN 201420428421U CN 204019791 U CN204019791 U CN 204019791U
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- Prior art keywords
- reversal valve
- dehumidifying
- raw materials
- egr
- blower fan
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- 238000001035 drying Methods 0.000 title claims abstract description 24
- 239000002994 raw material Substances 0.000 title claims abstract description 22
- 229920003023 plastic Polymers 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 230000008929 regeneration Effects 0.000 claims description 39
- 238000011069 regeneration method Methods 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000007791 dehumidification Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model relates to plastic raw materials dehumidifying, and the EGR of specifically a kind of plastic raw materials removal moisture drying stronger for hygroscopicity, comprises injection machine subsidiary engine, blower fan, heat exchanger, reversal valve, pipeline and control device, feature is provided with two dehumidifying towers, dehumidifying tower is built with drier, dehumidifying tower lower end is respectively equipped with the intake stack be connected with lower reversal valve, dehumidifying tower upper end is respectively equipped with the wind pipe be connected with upper reversal valve, upper reversal valve is connected with injection machine subsidiary engine air inlet through pipeline, and injection machine subsidiary engine air outlet is through air cleaner, heat exchanger is connected with lower reversal valve with blower fan, on switching, lower reversal valve, the raw material that the air of the dehumidifying tower inner drying selected is entered in injection machine subsidiary engine through upper reversal valve dehumidifies, the air after dehumidifying by injection machine subsidiary engine air outlet through filter, be blown into lower reversal valve by blower fan after heat exchanger and enter selected dehumidifying tower, there is compact conformation, easy to operate, working stability, operating efficiency advantages of higher.
Description
Technical field
The utility model relates to the dehydrating unit of plastic raw materials, the EGR of the removal moisture drying of the resin raw material stronger for hygroscopicity that specifically a kind of operating efficiency is high, result of use is good.
Background technology
Along with injection machine technology and scientific and technological fast development, dehumidification equipment becomes the new source of economic growth of injection machine subsidiary engine industry, promotes the development of whole Injection Industry.In Injection Industry is produced, the hygroscopicity of some engineering plastics is extremely strong, this is just easy to the impact being subject to weather conditions, so removal moisture drying process must be carried out to raw material, existing hot-air drying removal moisture drying treatment facility is formed primarily of blower fan, heating tube, casing and controller, and dry dry run is generally divided into: air-heating tube-raw material layer; Traditional type hot air drying system be inefficiency, two less than one be that effect on moisture extraction is poor, its moisture content can not be effectively reduced, but because plastics must carry out this one program of removal moisture drying, before the forming so have developed dehumidifying heat pump for this problem of industrial production.
Summary of the invention
The utility model object overcomes the deficiencies in the prior art, provides that a kind of operating efficiency is high, the removal moisture drying EGR of the resin raw material stronger for hygroscopicity of working stability.
The utility model can reach as follows.
A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity, comprise injection machine subsidiary engine, blower fan, heat exchanger, reversal valve, pipeline and control device, it is characterized in that being provided with two dehumidifying towers, dehumidifying tower is built with drier, dehumidifying tower lower end is respectively equipped with the intake stack be connected with lower reversal valve, dehumidifying tower upper end is respectively equipped with the wind pipe be connected with upper reversal valve, upper reversal valve is connected with injection machine subsidiary engine air inlet through pipeline, injection machine subsidiary engine air outlet is through air cleaner, heat exchanger is connected with lower reversal valve with blower fan, on switching, lower reversal valve, the raw material that the air of the dehumidifying tower inner drying selected is entered in injection machine subsidiary engine through upper reversal valve dehumidifies, air after dehumidifying by injection machine subsidiary engine air outlet through air switching filter, be blown into lower reversal valve by blower fan after heat exchanger and enter in selected dehumidifying tower.
The utility model can establish electric heater at dehumidifying tower inner bottom part, and electrical heating is connected with power supply through wire, thinks air (wind) heating in dehumidifying tower, improves effect on moisture extraction.
This practicality is newly with the novel electric heater that can be provided with band housing in dehumidifying tower lower end, electric heater is connected with power supply through wire, the air outlet of electric heater is connected with the admission line of dehumidifying tower lower end, air inlet pipe is connected with lower logical reversal valve through pipeline, with to blowing hot-air in dehumidifying tower, improve effect on moisture extraction.
The utility model can be provided with regeneration air filter, and regeneration air filter is connected with lower reversal valve through regeneration blower fan, and upper reversal valve is connected with switching valve through pipeline, and switching valve is provided with blast pipe.
Regeneration air filter in the utility model is connected with regenerator through switching valve, and switching valve air outlet is connected with lower reversal valve through regeneration blower fan, and upper reversal valve is connected with switching valve through pipeline, and switching valve is provided with blast pipe.
Blower fan described in the utility model and regeneration blower fan adopt high pressure blower, described switching valve is promoted by cylinder, described upper reversal valve and lower reversal valve are the magnetic valve be electrically connected with controller, to control the duty of two dehumidifying towers, increase work efficiency.
During utility model works, air (return air) through air cleaner and heat exchanger is blown into lower reversal valve by air blast, lower reversal valve is communicated with a dehumidifying tower (right side), adsorption and dehumidification tower (right side) moisture in air obtains dehumidifying wind, dehumidifying wind supplies dehumidifying wind by upper reversal valve to injection machine subsidiary engine (drying equipment), the return air of injection machine subsidiary engine enters filter and heat exchanger, and dehumidified blower fan is blown into dehumidifying tower (right side), circulates successively; When switching lower reversal valve and upper reversal valve, dehumidifying tower (left side) becomes work dehumidifying tower; Repeat above-mentioned cyclic process; Dehumidifying tower (right side) becomes dehumidification regeneration system tower, and regeneration blower fan sucks surrounding air by regeneration air filter, forms high temperature air stream after being heated by electric heater, is blown into dehumidifying tower (right side) and regenerates, take away the moisture of dehumidizer, be discharged into surrounding air; Switching valve switches regeneration and cooling procedure: switched by switching valve after the regeneration of dehumidifying tower and enter cooling stage, heating tube quits work, the return air of dehumidification regeneration system tower is blown into dehumidification regeneration system tower by regeneration blower fan after being lowered the temperature by heat exchanger, circulates successively and realizes the cooling of dehumidification regeneration system tower; Whole circulation has compact conformation, easy to operate, working stability, operating efficiency advantages of higher.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is this another kind of structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in the figure: a kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity, comprise injection machine subsidiary engine 1, blower fan 2, heat exchanger 3, reversal valve, pipeline and control device, injection machine subsidiary engine 1, blower fan 2, heat exchanger 3, the structure of reversal valve 4 is same as the prior art, this does not repeat, the composition of control device and the interconnected relationship between them same as the prior art, this does not repeat, of the present utility model being characterised in that is provided with two dehumidifying towers 5, dehumidifying tower 5 is built with drier, dehumidifying tower 5 lower end is respectively equipped with the intake stack be connected with lower reversal valve 6, dehumidifying tower 5 upper end is respectively equipped with the wind pipe be connected with upper reversal valve 7, upper reversal valve 7 is connected with injection machine subsidiary engine 1 air inlet through pipeline, injection machine subsidiary engine 1 air outlet is through air cleaner 8, heat exchanger 3 is connected with lower reversal valve 6 with blower fan 2, on switching, lower reversal valve 6 and 7, the raw material that the air of the dehumidifying tower inner drying selected is entered in injection machine subsidiary engine 1 through upper reversal valve 6 dehumidifies, air after dehumidifying by injection machine subsidiary engine 1 air outlet through air switching filter 8, be blown into lower reversal valve 6 by blower fan 2 after heat exchanger 3 and enter in selected dehumidifying tower 5, the utility model can establish electric heater 3 at dehumidifying tower 5 inner bottom part, electrical heating 3 is connected with power supply through wire, think air (wind) heating in dehumidifying tower, improve effect on moisture extraction, but be generally the electric heater 9 being provided with band housing in dehumidifying tower 5 lower end, electric heater 9 is connected with power supply through wire, the air outlet of electric heater 9 is connected with the admission line of dehumidifying tower 5 lower end, air inlet pipe is connected with lower logical reversal valve 6 through pipeline, with to dehumidifying tower in blowing hot-air, improve effect on moisture extraction.
In addition, the utility model can be provided with regeneration air filter 10, regeneration air filter 10 is connected with lower reversal valve 6 through regeneration blower fan 11, upper reversal valve 7 is connected with switching valve 12 through pipeline, switching valve 12 is provided with blast pipe, also can be connected with regenerator 13 through switching valve 12 at regeneration air filter 10, and switching valve 12 air outlet is connected with lower reversal valve 6 through regeneration blower fan 11, upper reversal valve 7 is connected with switching valve 12 through pipeline, and switching valve is provided with blast pipe.
Blower fan described in the utility model and regeneration blower fan adopt high pressure blower, described switching valve is promoted by cylinder, described upper reversal valve and lower reversal valve are the magnetic valve be electrically connected with controller, to control the duty of two dehumidifying towers, increase work efficiency.
Injection machine subsidiary engine is included water air through high-pressure dehumidifying wind tower transport air by the utility model; Air cleaner filtered air; Heat exchanger realizes air cooling-down; Switching valve realizes dehumidifying and regeneration cycle process switches; Electric heater air heat, switching valve dehumidifying regeneration cycle process switches heating tube (subsidiary engine) hot-air and carries out dried feed, and outside air is via regeneration blower fan transport air; The conversion air inlet of air cleaner switching valve and exhaust; Heat exchanger realizes air cooling-down; Electric heater air heat; Drier hydrous desiccant carries out drying recirculation, and described control device is PLC, air blast, air blast, switching valve, upper and lower reversal valve, is that heater is connected with the input/output interface circuit of PLC respectively; The utility model can be provided with touch-screen, and touch-screen is connected with the input/output interface circuit of PLC.
During utility model works, air (return air) through air cleaner and heat exchanger is blown into lower reversal valve by air blast, lower reversal valve is communicated with a dehumidifying tower (right side), adsorption and dehumidification tower (right side) moisture in air obtains dehumidifying wind, dehumidifying wind supplies dehumidifying wind by upper reversal valve to injection machine subsidiary engine (drying equipment), the return air of injection machine subsidiary engine enters filter and heat exchanger, and dehumidified blower fan is blown into dehumidifying tower (right side), circulates successively; When switching lower reversal valve and upper reversal valve, dehumidifying tower (left side) becomes work dehumidifying tower; Repeat above-mentioned cyclic process; Dehumidifying tower (right side) becomes dehumidification regeneration system tower, and regeneration blower fan sucks surrounding air by regeneration air filter, forms high temperature air stream after being heated by electric heater, is blown into dehumidifying tower (right side) and regenerates, take away the moisture of dehumidizer, be discharged into surrounding air; Switching valve switches regeneration and cooling procedure: switched by switching valve after the regeneration of dehumidifying tower and enter cooling stage, heating tube quits work, the return air of dehumidification regeneration system tower is blown into dehumidification regeneration system tower by regeneration blower fan after being lowered the temperature by heat exchanger, circulates successively and realizes the cooling of dehumidification regeneration system tower; Whole circulation has compact conformation, easy to operate, working stability, operating efficiency advantages of higher.
Claims (8)
1. the EGR for the stronger plastic raw materials removal moisture drying of hygroscopicity, comprise injection machine subsidiary engine, blower fan, heat exchanger, reversal valve, pipeline and control device, it is characterized in that being provided with two dehumidifying towers, dehumidifying tower is built with drier, dehumidifying tower lower end is respectively equipped with the intake stack be connected with lower reversal valve, dehumidifying tower upper end is respectively equipped with the wind pipe be connected with upper reversal valve, upper reversal valve is connected with injection machine subsidiary engine air inlet through pipeline, and injection machine subsidiary engine air outlet is connected with lower reversal valve through air cleaner, heat exchanger and blower fan.
2. the EGR of a kind of plastic raw materials removal moisture drying stronger for hygroscopicity according to claim 1, it is characterized in that dehumidifying tower inner bottom part establishes electric heater, electrical heating is connected with power supply through wire.
3. the EGR of a kind of plastic raw materials removal moisture drying stronger for hygroscopicity according to claim 1, it is characterized in that the electric heater being provided with band housing below dehumidifying tower, electric heater is connected with power supply through wire, the air outlet of electric heater is connected with the admission line of dehumidifying tower lower end, and air inlet pipe is connected with lower logical reversal valve through pipeline.
4. the EGR of a kind of plastic raw materials removal moisture drying stronger for hygroscopicity according to claim 1, it is characterized in that being provided with regeneration air filter, regeneration air filter is connected with lower reversal valve through regeneration blower fan, upper reversal valve is connected with switching valve through pipeline, and switching valve is provided with blast pipe.
5. the EGR of a kind of plastic raw materials removal moisture drying stronger for hygroscopicity according to claim 4, it is characterized in that regeneration air filter is connected with regenerator through switching valve, switching valve air outlet is connected with lower reversal valve through regeneration blower fan, upper reversal valve is connected with switching valve through pipeline, and switching valve is provided with blast pipe.
6. the EGR of a kind of stronger for the hygroscopicity plastic raw materials removal moisture drying according to claim 1 or 2 or 3 or 4, is characterized in that blower fan and regeneration blower fan adopt high pressure blower.
7. the EGR of a kind of stronger for the hygroscopicity plastic raw materials removal moisture drying according to claim 1 or 2 or 3 or 4, is characterized in that switching valve is cylinder driving reversal valve.
8. the EGR of a kind of stronger for the hygroscopicity plastic raw materials removal moisture drying according to claim 1 or 2 or 3 or 4, is characterized in that reversal valve and lower reversal valve are the magnetic valve be electrically connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428421.XU CN204019791U (en) | 2014-07-31 | 2014-07-31 | A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428421.XU CN204019791U (en) | 2014-07-31 | 2014-07-31 | A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204019791U true CN204019791U (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428421.XU Expired - Fee Related CN204019791U (en) | 2014-07-31 | 2014-07-31 | A kind of EGR of the plastic raw materials removal moisture drying stronger for hygroscopicity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204019791U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698495A (en) * | 2016-01-19 | 2016-06-22 | 宁波勤邦新材料科技有限公司 | Film drier |
| CN112406057A (en) * | 2020-10-26 | 2021-02-26 | 潘松辉 | Preparation process of automobile brake master cylinder piston |
| CN114895619A (en) * | 2022-05-07 | 2022-08-12 | 中国第一汽车股份有限公司 | Drying machine and fault self-diagnosis system and control method thereof |
-
2014
- 2014-07-31 CN CN201420428421.XU patent/CN204019791U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698495A (en) * | 2016-01-19 | 2016-06-22 | 宁波勤邦新材料科技有限公司 | Film drier |
| CN112406057A (en) * | 2020-10-26 | 2021-02-26 | 潘松辉 | Preparation process of automobile brake master cylinder piston |
| CN114895619A (en) * | 2022-05-07 | 2022-08-12 | 中国第一汽车股份有限公司 | Drying machine and fault self-diagnosis system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 |