CN203610103U - Automatic pressure adjusting system for manufacturing hot melt glue - Google Patents
Automatic pressure adjusting system for manufacturing hot melt glue Download PDFInfo
- Publication number
- CN203610103U CN203610103U CN201320737113.0U CN201320737113U CN203610103U CN 203610103 U CN203610103 U CN 203610103U CN 201320737113 U CN201320737113 U CN 201320737113U CN 203610103 U CN203610103 U CN 203610103U
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- Prior art keywords
- filter
- pump
- pressure
- melten gel
- draw
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- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 title abstract 12
- 239000012943 hotmelt Substances 0.000 title abstract 4
- 239000003921 oil Substances 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000010724 circulating oil Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000155 melt Substances 0.000 abstract 7
- 238000005086 pumping Methods 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 1
- 238000011045 prefiltration Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Filtration Of Liquid (AREA)
Abstract
The utility model relates to an automatic pressure adjusting system for manufacturing hot melt glue. The system comprises a melt glue mechanism and a vacuum pumping mechanism, wherein the melt glue mechanism comprises a reaction kettle, a pump pre-filter, a draw-off pump, a melt glue filter and an output glue filter, which are connected in sequence through a pipeline; a pressure sensor is arranged in the melt glue filter; a controller is connected with the pressure sensor through a wire; the controller is electrically connected with the draw-off pump through another wire; the vacuum pumping mechanism is connected with an air outlet at the top of the reaction kettle through a vacuum pipe. According to the automatic pressure adjusting system provided by the utility model, pressure signals in the melt glue filter can be fed back to the controller through the pressure sensor, the flux of the melt glue in the melt glue filter extracted by the draw-off pump is indirectly reflected through pressure value, when the pressure value exceeds a critical value, the draw-off pump is closed to enable the pressure inside the system to be kept within an appropriate range and to prevent accidents caused by excessive pressure, and safety production is guaranteed; the automatic pressure adjusting system for manufacturing hot melt glue can be applied to manufacture of hot melt glue.
Description
Technical field
The utility model relates to the equipment of manufacturing PUR, particularly relates to a kind of automatic regulation system for pressure of manufacturing PUR.
Background technology
In the time producing PUR, generally follow following steps: first abundant stirring and melting raw material become liquid in reactor; The mode of taking out by pump liquid raw material is flowed out and impurity screening after again discharged in follow-up former.In traditional PUR manufacturing system, raw material is all to flow in the environment of sealing from reactor flows out, and technical staff cannot learn whether it flows smooth, and whether flow is suitable, often can only from discharging, go the situation of inferring that it is mobile.Because PUR temperature is higher, also there is certain pressure in internal system, and in use procedure, whole system is inner can exist certain potential safety hazard because the excessive build-up of pressure of flow constantly raises, and also can cause discharging to reduce because of underfed, affects efficiency.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of automatic regulation system for pressure of manufacturing PUR, this system security safety in production.
The technical scheme that the utility model adopts is:
A kind of automatic regulation system for pressure of manufacturing PUR, comprise melten gel mechanism and vacuum device, described melten gel mechanism comprises the reactor, pump front filter, draw-off pump, melten gel filter and the plastic emitting filter that connect successively by pipeline, in described melten gel filter, be provided with pressure sensor, described pressure sensor is connected with controller by wire, described controller is electrically connected with draw-off pump by wire, and described vacuum device is by the gas vent at vacuum tube coupled reaction still top.
As the further improvement of technique scheme, described controller is arranged in a distribution box, described distribution box is provided with the display screen for showing pressure sensor force value, in described distribution box, is provided with frequency converter, and described frequency converter is electrically connected with draw-off pump and controller respectively.
As the further improvement of technique scheme, described melten gel filter is bag filter, and the inner chamber of described melten gel filter is provided with inner filter screen bag and outer filter bag by middle part successively to periphery, forms double-layer filter structure.
As the further improvement of technique scheme, the entrance of described melten gel filter is positioned at inner filter screen bag top, the outlet of described melten gel filter is positioned at the below of outer filter bag, and described pressure sensor is positioned at the top in outer filter bag outside and fixes with the inwall of melten gel filter.
As the further improvement of technique scheme, described melten gel mechanism comprises attemperator, described attemperator comprises Heat-transfer Oil Pump, the pipeline outer wall of the outer wall of described reactor, pump front filter, draw-off pump, melten gel filter and plastic emitting filter and coupled reaction still, pump front filter, draw-off pump, melten gel filter, plastic emitting filter is provided with heat preservation sandwich layer respectively, and described each heat preservation sandwich layer and Heat-transfer Oil Pump are connected in series formation circulating oil path by heat-conducting oil pipes.
As the further improvement of technique scheme, described vacuum device comprises surge tank, vavuum pump and cyclic water tank, the entrance of described surge tank is by the gas vent at vacuum tube coupled reaction still top, the entrance of described vavuum pump connects the outlet of surge tank, and described vacuum delivery side of pump connects cyclic water tank.
As the further improvement of technique scheme, in described reactor, be provided with paddle, described paddle is ribbon impeller.
The beneficial effects of the utility model are: the utility model feeds back to controller by pressure sensor by the pressure signal in colloidal sol filter, indirectly reflect that by force value draw-off pump is evacuated to the flow of colloidal sol filter, in the time that exceeding critical value, force value closes draw-off pump, guarantee that the pressure of internal system is in suitable scope, prevent the security incident causing because pressure is excessive, guarantee safe production.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is schematic diagram of structure of the present utility model;
Fig. 2 is the connection diagram of the utility model controller;
Fig. 3 is the schematic diagram of melten gel filter.
The specific embodiment
A kind of automatic regulation system for pressure of manufacturing PUR as shown in Figure 1-Figure 3, comprise melten gel mechanism and vacuum device, melten gel mechanism comprises the reactor 1, pump front filter 2, draw-off pump 3, melten gel filter 4 and the plastic emitting filter 5 that connect successively by pipeline, wherein the outlet at bottom of reactor 1 connects the entrance of pump front filter 2, the outlet of pump front filter 2 connects the entrance of draw-off pump 3, draw-off pump 3 outlets connect the entrance of melten gel filter 4, and the outlet of melten gel filter 4 connects the entrance of plastic emitting filter 5.In melten gel filter 4, be provided with pressure sensor 6, the top that pressure sensor 6 is positioned at liquid charging stock in use does not contact with raw material, be mainly used for detecting the pressure of melten gel filter 4 inside, in the time that the flow by melten gel filter 4 increases, the space that pressure sensor 6 is filled by raw material increases, melten gel filter 4 internal pressures are increased, and in the time that flow reduces, pressure is corresponding reducing also.Pressure sensor 6 is connected with controller 7 by wire, controller 7 is electrically connected with draw-off pump 3 by wire, and pressure sensor 6 detects when the pressure in melten gel filter 4 reaches setting value will close the security incident of draw-off pump 3 to prevent to cause because pressure is excessive.
Preferably, as shown in Figures 2 and 3, controller 7 is arranged in a distribution box 8, and distribution box 8 is provided with the display screen 9 for showing pressure sensor 6 force value, the interior frequency converter 10 that is simultaneously provided with of distribution box 8, and frequency converter 10 is electrically connected with draw-off pump 3 and controller 7 respectively.Thereby display screen 9 for staff at the scene monitoring pressure value judge that whether flow suitable, and according to the size operation frequency converter 10 of pressure to control the rotating speed of draw-off pump 3, thereby adjust flow.
As shown in Figure 1, in the present embodiment, melten gel mechanism also comprises attemperator, attemperator comprises Heat-transfer Oil Pump 11, the pipeline outer wall of the outer wall of reactor 1, pump front filter 2, draw-off pump 3, melten gel filter 4 and plastic emitting filter 5 and coupled reaction still 1, pump front filter 2, draw-off pump 3, melten gel filter 4, plastic emitting filter 5 is provided with heat preservation sandwich layer respectively, and each heat preservation sandwich layer and Heat-transfer Oil Pump 11 are connected in series formation circulating oil path by heat-conducting oil pipes.Heat-transfer Oil Pump 11 is delivered to high-temperature hot oil in each heat preservation sandwich layer successively, by with the heat exchange of each e-quipment and pipe, the raw material of delivered inside being carried out to Heat preservation, prevents condensation.The trend of circulating oil path represents as dotted line in Fig. 1 and arrow.
Preferably, as shown in Figure 3, melten gel filter 4 is bag filter, and the inner chamber of melten gel filter 4 is provided with inner filter screen bag 41 and outer filter bag 42 by middle part successively to periphery, forms double-layer filter structure.The entrance of melten gel filter 4 is positioned at inner filter screen bag 41 tops, and the outlet of melten gel filter 4 is positioned at the below of outer filter bag 42, and pressure sensor 6 is positioned at the top in outer filter bag 42 outsides and fixes with the inwall of melten gel filter 4.Raw material is first filtered by outer filter bag 42 after the filtration of inner filter screen bag 41 again, so, equal raw material to be carried out to double medium filtration melten gel filter 4 is interior, together with pump front filter 2 and plastic emitting filter 5, whole system is filtered number of times and has been reached 4 times, greatly promotes filter effect.
As shown in Figure 1, in the present embodiment, reactor 1 is provided with solid feed dog-house and liquid material entrance, is provided with paddle 15 in reactor 1, the raw material dropping into is stirred it is fully mixed, and by the high-temperature hot oil heating of heat preservation sandwich layer, raw material is melted.Wherein paddle 15 is two ribbon impellers, has stronger shearing force, guarantees mixing effect, is particularly useful for being uniformly mixed of PUR.
The present embodiment also comprises a set of vacuum device, formed by surge tank 12, vavuum pump 13 and cyclic water tank 14, the entrance of surge tank 12 is by the gas vent at vacuum tube coupled reaction still 1 top, and the entrance of vavuum pump 13 connects the outlet of surge tank 12, and the outlet of vavuum pump 13 connects cyclic water tank 14.Vavuum pump 13 extracts the waste gas of reactor 1 interior generation, and waste gas is water-soluble in cyclic water tank 14 afterwards.This vacuum device is conducive to save production cost.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (7)
1. manufacture the automatic regulation system for pressure of PUR for one kind, it is characterized in that: comprise melten gel mechanism and vacuum device, described melten gel mechanism comprises the reactor (1) connecting successively by pipeline, pump front filter (2), draw-off pump (3), melten gel filter (4) and plastic emitting filter (5), in described melten gel filter (4), be provided with pressure sensor (6), described pressure sensor (6) is connected with controller (7) by wire, described controller (7) is electrically connected with draw-off pump (3) by wire, described vacuum device is by the gas vent at vacuum tube coupled reaction still (1) top.
2. the automatic regulation system for pressure of manufacture PUR according to claim 1, it is characterized in that: described controller (7) is arranged in a distribution box (8), described distribution box (8) is provided with the display screen (9) for showing pressure sensor (6) force value, in described distribution box (8), be provided with frequency converter (10), described frequency converter (10) is electrically connected with draw-off pump (3) and controller (7) respectively.
3. the automatic regulation system for pressure of manufacture PUR according to claim 1 and 2, it is characterized in that: described melten gel filter (4) is bag filter, the inner chamber of described melten gel filter (4) is provided with inner filter screen bag (41) and outer filter bag (42) by middle part successively to periphery, forms double-layer filter structure.
4. the automatic regulation system for pressure of manufacture PUR according to claim 3, it is characterized in that: the entrance of described melten gel filter (4) is positioned at inner filter screen bag (41) top, the outlet of described melten gel filter (4) is positioned at the below of outer filter bag (42), and described pressure sensor (6) is positioned at the top in outer filter bag (42) outside and fixes with the inwall of melten gel filter (4).
5. the automatic regulation system for pressure of manufacture PUR according to claim 1 and 2, it is characterized in that: described melten gel mechanism comprises attemperator, described attemperator comprises Heat-transfer Oil Pump (11), described reactor (1), pump front filter (2), draw-off pump (3), the outer wall of melten gel filter (4) and plastic emitting filter (5) and coupled reaction still (1), pump front filter (2), draw-off pump (3), melten gel filter (4), the pipeline outer wall of plastic emitting filter (5) is provided with heat preservation sandwich layer respectively, described each heat preservation sandwich layer and Heat-transfer Oil Pump (11) are connected in series formation circulating oil path by heat-conducting oil pipes.
6. the automatic regulation system for pressure of manufacture PUR according to claim 1, it is characterized in that: described vacuum device comprises surge tank (12), vavuum pump (13) and cyclic water tank (14), the entrance of described surge tank (12) is by the gas vent at vacuum tube coupled reaction still (1) top, the entrance of described vavuum pump (13) connects the outlet of surge tank (12), and the outlet of described vavuum pump (13) connects cyclic water tank (14).
7. according to the automatic regulation system for pressure of the manufacture PUR described in claim 1 or 6, it is characterized in that: in described reactor (1), be provided with paddle (15), described paddle (15) is ribbon impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737113.0U CN203610103U (en) | 2013-11-20 | 2013-11-20 | Automatic pressure adjusting system for manufacturing hot melt glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737113.0U CN203610103U (en) | 2013-11-20 | 2013-11-20 | Automatic pressure adjusting system for manufacturing hot melt glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203610103U true CN203610103U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737113.0U Expired - Lifetime CN203610103U (en) | 2013-11-20 | 2013-11-20 | Automatic pressure adjusting system for manufacturing hot melt glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203610103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179123A (en) * | 2016-08-30 | 2016-12-07 | 无锡东恒新能源科技有限公司 | A kind of organic solvent extraction mechanism with vacuum extractor |
| CN109395688A (en) * | 2018-12-03 | 2019-03-01 | 无锡库思迈智能装备有限公司 | Hot-fusible pressure-sensitive adhesive production line |
-
2013
- 2013-11-20 CN CN201320737113.0U patent/CN203610103U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106179123A (en) * | 2016-08-30 | 2016-12-07 | 无锡东恒新能源科技有限公司 | A kind of organic solvent extraction mechanism with vacuum extractor |
| CN109395688A (en) * | 2018-12-03 | 2019-03-01 | 无锡库思迈智能装备有限公司 | Hot-fusible pressure-sensitive adhesive production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510730 Eighth Floor of Kerui Building, 336 Youth Road, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee after: ZHENGBANG (GUANGZHOU) NEW MATERIALS Co.,Ltd. Address before: 510730 One of the Sixth Floors, No. 1 Minghua Third Street, Jinxiu Road, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee before: GUANGZHOU THE BOND CHEMICALS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |