CN213107640U - Polyurethane raw material heating device - Google Patents
Polyurethane raw material heating device Download PDFInfo
- Publication number
- CN213107640U CN213107640U CN202021746105.9U CN202021746105U CN213107640U CN 213107640 U CN213107640 U CN 213107640U CN 202021746105 U CN202021746105 U CN 202021746105U CN 213107640 U CN213107640 U CN 213107640U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- heating chamber
- heating
- division board
- box
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 65
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 13
- 239000004814 polyurethane Substances 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 238000007086 side reaction Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 10
- 239000012948 isocyanate Substances 0.000 description 7
- 150000002513 isocyanates Chemical class 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a polyurethane raw materials heating device, the power distribution box comprises a box body, mid-mounting has the division board in the box, division board upper portion has been seted up the wind gap and has been divided into the heating chamber of two mutual symmetries with the box, one side that two heating chambers are close to the division board is vertical respectively to be equipped with the screw rod, the bottom of screw rod is rotated and is installed in the bottom in heating chamber, and the top passes the heating chamber top, the top of screw rod has cup jointed driven gear, driven gear meshing driving gear, the driving gear suit is on the output shaft of motor, the cover is equipped with the nut cover on the screw rod, one side that the nut cover kept away from the division board is fixed with the grid case that is equipped with the fence door, the air exhauster is installed to the side. The utility model discloses material in the heatable storage bucket, the side reaction of material reduces, has improved product quality, also reduces the energy consumption simultaneously.
Description
Technical Field
The utility model belongs to polyurethane processing equipment field, concretely relates to polyurethane raw materials heating device.
Background
Polyurethanes are polymeric materials produced by the polyaddition reaction of isocyanates and polyols in the presence of catalysts and other auxiliaries. Wherein, isocyanate can generate partial crystallization at low temperature or long-term storage, so isocyanate raw materials are heated to be liquefied and then used for preparing polyurethane, and other materials are heated to a certain temperature for reaction.
In the traditional technology, vertical heating or water bath heating is adopted. The vertical heating is to heat a charging basket containing materials vertically in a heating oven, so that the materials in the charging basket are heated unevenly, the materials close to the inner surface of the charging basket are heated excessively, side reactions occur, the product quality is affected, and the heating time is long; the water bath heating effect is uniform, the isocyanate is most frequently used in the production process, but the isocyanate is easy to react violently with water, and if moisture enters a charging basket of the isocyanate in the heating process, a large amount of gas can be generated, so that the isocyanate is extremely easy to explode.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a polyurethane raw materials heating device, material in can the even heating storage bucket, the side reaction of material reduces, has improved product quality, has reduced heating time, also reduces the energy consumption simultaneously.
The utility model discloses a realize through following technical scheme: a polyurethane raw material heating device comprises a box body, wherein a partition plate is arranged in the middle in the box body, an air port is formed in the upper portion of the partition plate, the partition plate divides the box body into two heating cavities which are symmetrical to each other, screw rods are vertically arranged on one sides, close to the partition plate, of the two heating cavities respectively, the bottom end of each screw rod is rotatably arranged at the bottom of each heating cavity, the top end of each screw rod penetrates through the top of each heating cavity, a driven gear is sleeved at the top end of each screw rod and is meshed with a driving gear, the driving gear is sleeved on an output shaft of a motor, limiting blocks are fixedly arranged on the screw rods from top to bottom at intervals, a nut sleeve is sleeved on each screw rod between the two limiting blocks, a grating box provided with grating doors is fixed on one side, and a circulating fan is arranged at the bottom of the heating cavity, the circulating fan is connected with the bottom of the heating cavity through a circulating pipeline, and a heating sleeve is arranged on the circulating pipeline.
Two the switching door is installed respectively to the lateral surface in heating chamber, the laminating of switching door inside has the sealing strip.
The length of the screw between the two limiting blocks is equal.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts the design that the box body is divided into two heating cavities which are symmetrical with each other, the charging basket can respectively and circularly and uniformly heat in the two heating cavities, and the uniformity of heating materials in the charging basket is improved; the grid box can reciprocate on the screw rod, has guaranteed the interior feed liquid heating's of grid box storage bucket uniformity, and the side reaction of material reduces, has improved product quality, has reduced the heating time, also reduces the energy consumption simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings: 1. a box body; 2. a partition plate; 3. a tuyere; 4. a heating cavity; 5. a screw; 6. a driven gear; 7. a driving gear; 8. a motor; 9. a limiting block; 10. a nut sleeve; 11. a grid box; 12. an exhaust fan; 13. a circulating fan; 14. a circulation pipe; 15. heating a jacket; 16. and opening and closing the door.
Detailed Description
As shown in figure 1 in the attached drawings of the specification, the polyurethane raw material heating device comprises a box body 1, a partition plate 2 is installed in the middle of the box body 1, an air port 3 is formed in the upper portion of the partition plate 2, the partition plate 2 divides the box body 1 into two heating cavities 4 which are symmetrical to each other, screw rods 5 are respectively vertically arranged on one sides, close to the partition plate 2, of the two heating cavities 4, the bottom ends of the screw rods 5 are rotatably installed at the bottom of the heating cavities 4, bearing seats are fixedly arranged at the bottom of the heating cavities 4, the bottom ends of the screw rods 5 are inserted into the bearing seats to realize rotation of the screw rods 5, the top ends of the screw rods 5 penetrate through the tops of the heating cavities 4, driven gears 6 are sleeved at the top ends of the screw rods 5, the driven gears 6 are meshed with driving gears 7, the driving gears, a grating box 11 provided with a grating door is fixed on one side of the nut sleeve 10 far away from the partition plate 2, an exhaust fan 12 is installed at the lower end of the side surface of one heating cavity 4, a circulating fan 13 is installed at the bottom of the other heating cavity 4, the circulating fan 13 is connected with the bottom of one heating cavity 4 through a circulating pipeline 14, and a heating sleeve 15 is installed on the circulating pipeline 14.
The outer side surfaces of the two heating cavities 4 are respectively provided with an opening and closing door 16, and the inner sides of the opening and closing doors 16 are attached with sealing strips to prevent heat loss in the heating cavities 4.
The length of the screw 5 between the two limiting blocks 9 is equal, so that the up-and-down movement distance of the grating boxes 11 is consistent, and the uniformity of heating of the feed liquid in the feed barrel in each grating box 11 is ensured.
Specifically, when in use, the charging basket in the grating box 11 is locked through the grating door, the motor 8 is started (the motor 8 is a general driving device, the specific model is common knowledge of technicians in the field and can be selected according to the rotating speed and the rotating mode), the motor 8 is set to rotate in positive and negative directions at regular time, the driving gear 7 drives the two driven gears 6 to rotate, and further drives the screw rods 5 in the two heating cavities 4 to rotate, so that the nut sleeve 10 drives the grating box 11 to move up and down on the screw rods 5, the circulating fan 13 and the heating sleeve 15 are started to circulate hot air in the two heating cavities 4 in the box body 1 through the circulating pipeline 14 to heat the charging basket, a temperature sensor and a PLC controller can be installed in the box body 1 (the temperature sensor and the PLC controller are general devices and can be selected according to specific situations, temperature sensor and PLC controller electric connection, PLC controller and air exhauster 12 electric connection, when temperature sensor monitored the temperature in heating chamber 4 and is higher than its setting value, temperature sensor control air exhauster 12 was opened in the heating chamber 4 with outside cold air suction in box 1, and then cooled down in the heating chamber 4, when the temperature dropped to temperature sensor's setting value, temperature sensor control air exhauster 12 closed.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications of the shapes, structures, features and spirit described in the claims of the present invention should be included in the scope of the present invention.
Claims (3)
1. The utility model provides a polyurethane raw materials heating device, includes box (1), its characterized in that: the middle mounting has division board (2) in box (1), wind gap (3) have been seted up on division board (2) upper portion, division board (2) will box (1) divide into two heating chamber (4) of mutual symmetry, two heating chamber (4) are close to one side of division board (2) is vertical screw rod (5) respectively, the bottom of screw rod (5) is rotated and is installed the bottom in heating chamber (4), and the top passes heating chamber (4) top, driven gear (6) have been cup jointed to the top of screw rod (5), driven gear (6) meshing driving gear (7), driving gear (7) suit is on the output shaft of motor (8), interval fixed mounting has stopper (9) from top to bottom on screw rod (5), two between stopper (9) the cover is equipped with nut cover (10) on screw rod (5), nut cover (10) are kept away from one side of division board (2) is fixed with grid case (11) that are equipped with the fence door, one of them air exhauster (12) are installed to the side lower extreme of heating chamber (4), another circulating fan (13) are installed to the bottom of heating chamber (4), circulating fan (13) pass through circulating line (14) and one of them the bottom of heating chamber (4) is connected, install heating jacket (15) on circulating line (14).
2. The polyurethane raw material heating apparatus according to claim 1, characterized in that: two open-close door (16) are installed respectively to the lateral surface of heating chamber (4), the inboard laminating of open-close door (16) has the sealing strip.
3. The polyurethane raw material heating apparatus according to claim 1, characterized in that: the length of the screw rod (5) between the two limiting blocks (9) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746105.9U CN213107640U (en) | 2020-08-19 | 2020-08-19 | Polyurethane raw material heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021746105.9U CN213107640U (en) | 2020-08-19 | 2020-08-19 | Polyurethane raw material heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213107640U true CN213107640U (en) | 2021-05-04 |
Family
ID=75655229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021746105.9U Expired - Fee Related CN213107640U (en) | 2020-08-19 | 2020-08-19 | Polyurethane raw material heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213107640U (en) |
-
2020
- 2020-08-19 CN CN202021746105.9U patent/CN213107640U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |