Drying device for polyether polyol production

Abstract

The utility model discloses a drying device for polyether polyol production, which comprises a drying kettle, a feeding box is arranged on the right side of the top of the drying kettle, and mounting plates are fixedly connected to the front side and the rear side of the bottom of the feeding box. Oxygen in the feeding box is exhausted through the vacuum pump, so that the inner wall of the feeding box is in an oxygen-free state, the electric cylinder is started and drives the pressing plate to move downwards, the pressing plate extrudes materials in the feeding box, and the materials enter the purification box, then penetrate through the purification net and the water pipe and finally enter the drying kettle. In the process that materials penetrate through the purification net, impurities contained in the materials can be filtered out, the advantage of anaerobic feeding is achieved, in the material adding process of the drying device for polyether polyol production, oxygen in the feeding assembly can be exhausted, the interior of the feeding assembly is in an anaerobic state, external oxygen cannot enter the interior of the drying device, and the drying effect is good. And the production efficiency of the drying device for polyether polyol production is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyether polyol production equipment, in particular to a drying device for polyether polyol production. Background Art

[0002] In the process of producing polyether polyols, a polyether polyol production drying device is needed. In the process of adding materials, the traditional polyether polyol production drying device is easy to transport the external oxygen into the interior of the drying device. The moisture contained in the external oxygen will enter the interior of the drying device, increasing the humidity inside the drying device, increasing the working difficulty of the drying device, and reducing the production efficiency of the drying device for polyether polyol production.

[0003] Therefore, it is necessary to redesign the drying device for the production of polyether polyols to effectively prevent the entry of external oxygen. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a drying device for the production of polyether polyols, which has the advantage of anaerobic feeding and solves the problem that in the process of adding materials in the drying device for the production of polyether polyols, the external oxygen is easily transported to the interior of the drying device, and the moisture contained in the external oxygen will enter the interior of the drying device, increasing the humidity inside the drying device, increasing the working difficulty of the drying device, and reducing the production efficiency of the drying device for the production of polyether polyols.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a drying device for producing polyether polyols, comprising a drying kettle, a feeding box is arranged on the right side of the top of the drying kettle, the front and rear sides of the bottom of the feeding box are fixedly connected with mounting plates, the bottom of the mounting plate is fixedly connected to the top of the drying kettle, an electric cylinder is fixedly connected to the top of the feeding box, the output end of the electric cylinder passes through the interior of the feeding box, the output end of the electric cylinder is fixedly connected to a pressing plate, the pressing plate is located inside the feeding box, the right side of the feeding box is connected to a vacuum pump, the left side of the feeding box is connected to a purification box, the left side of the purification box is connected to a water pipe, the bottom of the water pipe is connected to the interior of the drying kettle, and a purification mechanism is arranged inside the purification box.

[0006] As a preferred embodiment of the utility model, the purification mechanism includes a horizontal plate, which is located at the top of the purification box, and a collection frame is fixedly connected to the bottom of the horizontal plate. The bottom of the collection frame extends into the interior of the purification box, and a purification net is provided inside the collection frame, and the purification net is located inside the purification box.

[0007] As a preferred embodiment of the utility model, the top of the surface of the electric cylinder is fixedly connected with an anti-falling frame, and the bottom of the anti-falling frame is fixedly connected to the top of the feeding box.

[0008] As a preferred embodiment of the utility model, a reinforcement sleeve is fixedly connected to the bottom of the surface of the electric cylinder, and the bottom of the reinforcement sleeve is fixedly connected to the top of the feeding box.

[0009] As a preferred embodiment of the utility model, reinforcing ribs are fixedly connected to the surface of the reinforcing sleeve, and the number of the reinforcing ribs is several and the several reinforcing ribs are evenly distributed at equal distances.

[0010] As a preferred embodiment of the present invention, a weight-reducing groove is provided on the surface of the mounting plate, and the weight-reducing groove is located on the top of the drying kettle.

[0011] As a preferred embodiment of the present invention, a reinforcement ring is fixedly connected to the bottom of the drying kettle, and the reinforcement ring is located at the bottom of the feeding box.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model discharges the oxygen inside the feeding box through a vacuum pump, so that the inner wall of the feeding box is in an oxygen-free state, and the electric cylinder is started. The electric cylinder drives the pressure plate to move downward, and the pressure plate squeezes the material inside the feeding box. The material enters the interior of the purification box, passes through the purification net and the water pipe, and finally enters the interior of the drying kettle. In the process of the material passing through the purification net, the impurities contained in the material will be filtered, which has the advantage of anaerobic feeding. In the process of adding materials, the polyether polyol production drying device will discharge the oxygen inside the feeding component, so that the interior of the feeding component is in an anaerobic state, and the interior of the drying device will not enter the external oxygen, thereby improving the production efficiency of the drying device for polyether polyol production.

[0014] 2. The utility model is provided with a purification mechanism, which can filter and purify the material inside the feeding box, thereby preventing impurities in the material from entering the interior of the drying kettle, thereby improving the production quality of the drying kettle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional cross-sectional view of the charging box of the utility model;

[0017] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0019] In the figure: 1. Drying kettle; 2. Feeding box; 3. Mounting plate; 4. Electric cylinder; 5. Pressing plate; 6. Vacuum pump; 7. Purification box; 8. Water pipe; 9. Purification mechanism; 91. Horizontal plate; 92. Collection frame; 93. Purification net; 10. Anti-falling frame; 11. Reinforcement sleeve; 12. Reinforcement rib; 13. Weight reduction groove; 14. Reinforcement ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figures 1 to 4 As shown, the utility model provides a drying device for producing polyether polyols, comprising a drying kettle 1, a feeding box 2 is arranged on the right side of the top of the drying kettle 1, a mounting plate 3 is fixedly connected to the front and rear sides of the bottom of the feeding box 2, the bottom of the mounting plate 3 is fixedly connected to the top of the drying kettle 1, an electric cylinder 4 is fixedly connected to the top of the feeding box 2, the output end of the electric cylinder 4 passes through the inside of the feeding box 2, the output end of the electric cylinder 4 is fixedly connected to a pressing plate 5, the pressing plate 5 is located inside the feeding box 2, a vacuum pump 6 is connected to the right side of the feeding box 2, a purification box 7 is connected to the left side of the feeding box 2, a water pipe 8 is connected to the left side of the purification box 7, the bottom of the water pipe 8 is connected to the inside of the drying kettle 1, and a purification mechanism 9 is arranged inside the purification box 7.

[0022] refer to Figure 3 The purification mechanism 9 includes a horizontal plate 91, which is located at the top of the purification box 7. A collection frame 92 is fixedly connected to the bottom of the horizontal plate 91. The bottom of the collection frame 92 passes through the interior of the purification box 7. A purification net 93 is arranged inside the collection frame 92. The purification net 93 is located inside the purification box 7.

[0023] As a technical optimization solution of the utility model, by providing a purification mechanism 9, the material inside the feeding box 2 can be filtered and purified to prevent impurities in the material from entering the interior of the drying kettle 1, thereby improving the production quality of the drying kettle 1.

[0024] refer to Figure 4 The top of the surface of the electric cylinder 4 is fixedly connected with an anti-falling frame 10, and the bottom of the anti-falling frame 10 is fixedly connected to the top of the charging box 2.

[0025] As a technical optimization solution of the present invention, by providing the anti-fall frame 10, the electric cylinder 4 can be stabilized to avoid the electric cylinder 4 from tilting during use, thereby improving the use stability of the electric cylinder 4.

[0026] refer to Figure 4 A reinforcement sleeve 11 is fixedly connected to the bottom of the surface of the electric cylinder 4 , and the bottom of the reinforcement sleeve 11 is fixedly connected to the top of the feeding box 2 .

[0027] As a technical optimization solution of the utility model, by setting a reinforcement sleeve 11, the connection between the electric cylinder 4 and the feeding box 2 can be reinforced to avoid breakage of the electric cylinder 4 and the feeding box 2 during use, to prevent the electric cylinder 4 and the feeding box 2 from failing to cooperate, and to improve the use effect of the electric cylinder 4 and the feeding box 2.

[0028] refer to Figure 4 The surface of the reinforcement sleeve 11 is fixedly connected with reinforcement ribs 12, and the number of the reinforcement ribs 12 is several, and the several reinforcement ribs 12 are evenly distributed at equal distances.

[0029] As a technical optimization solution of the utility model, by providing reinforcing ribs 12, the structural strength of the reinforcement sleeve 11 can be strengthened to prevent the reinforcement sleeve 11 from deforming during long-term use, which would cause the reinforcement sleeve 11 to be unable to be used normally, thereby improving the use stability of the reinforcement sleeve 11.

[0030] refer to Figure 2 A weight-reducing groove 13 is provided on the surface of the mounting plate 3 , and the weight-reducing groove 13 is located at the top of the drying kettle 1 .

[0031] As a technical optimization solution of the present invention, by providing the weight-reducing groove 13 , the weight of the mounting plate 3 can be reduced, thereby avoiding increasing the weight of the drying kettle 1 during the use of the mounting plate 3 and reducing the difficulty of moving the drying kettle 1 .

[0032] refer to Figure 1 A reinforcement ring 14 is fixedly connected to the bottom of the drying kettle 1 , and the reinforcement ring 14 is located at the bottom of the feeding box 2 .

[0033] As a technical optimization solution of the present invention, by providing a reinforcement ring 14, the structural strength of the drying kettle 1 can be strengthened, so as to avoid deformation of the drying kettle 1 during long-term use, thereby improving the use stability of the drying kettle 1.

[0034] The working principle and use process of the utility model are as follows: when in use, the vacuum pump 6 is started, and the vacuum pump 6 discharges the oxygen inside the feeding box 2, so that the inner wall of the feeding box 2 is in an oxygen-free state, and the electric cylinder 4 is started, and the electric cylinder 4 drives the pressing plate 5 to move downward, and the pressing plate 5 squeezes the material inside the feeding box 2, and the material enters the interior of the purification box 7, and then passes through the purification net 93 and the water pipe 8, and finally enters the interior of the drying kettle 1. In the process of the material passing through the purification net 93, the impurities contained therein will be filtered, thereby having the advantage of anaerobic feeding.

[0035] In summary: the drying device for the production of polyether polyols, through the coordinated use of a drying kettle 1, a feeding box 2, a mounting plate 3, an electric cylinder 4, a pressing plate 5, a vacuum pump 6, a purification box 7, a water pipe 8 and a purification mechanism 9, solves the problem that during the process of adding materials to the drying device for the production of polyether polyols, external oxygen is easily transported into the interior of the drying device, and the moisture contained in the external oxygen will enter the interior of the drying device, increasing the humidity inside the drying device, increasing the working difficulty of the drying device, and reducing the production efficiency of the drying device for the production of polyether polyols.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying device for producing polyether polyols, comprising a drying kettle (1), characterized in that: A feeding box (2) is arranged on the right side of the top of the drying kettle (1), and a mounting plate (3) is fixedly connected to the front and rear sides of the bottom of the feeding box (2), and the bottom of the mounting plate (3) is fixedly connected to the top of the drying kettle (1). An electric cylinder (4) is fixedly connected to the top of the feeding box (2), and the output end of the electric cylinder (4) passes through the interior of the feeding box (2). A pressing plate (5) is fixedly connected to the output end of the electric cylinder (4), and the pressing plate (5) is located inside the feeding box (2). A vacuum pump (6) is connected to the right side of the feeding box (2), and a purification box (7) is connected to the left side of the feeding box (2). A water pipe (8) is connected to the left side of the purification box (7), and the bottom of the water pipe (8) is connected to the interior of the drying kettle (1). A purification mechanism (9) is arranged inside the purification box (7).

2. A drying device for producing polyether polyols according to claim 1, characterized in that: The purification mechanism (9) comprises a transverse plate (91), wherein the transverse plate (91) is located at the top of the purification box (7), and the bottom of the transverse plate (91) is fixedly connected to a collection frame (92), and the bottom of the collection frame (92) extends through the interior of the purification box (7), and a purification net (93) is arranged inside the collection frame (92), and the purification net (93) is located inside the purification box (7).

3. A drying device for producing polyether polyols according to claim 1, characterized in that: The top of the surface of the electric cylinder (4) is fixedly connected with an anti-fall frame (10), and the bottom of the anti-fall frame (10) is fixedly connected to the top of the feeding box (2).

4. A drying device for producing polyether polyols according to claim 1, characterized in that: A reinforcing sleeve (11) is fixedly connected to the bottom of the surface of the electric cylinder (4), and the bottom of the reinforcing sleeve (11) is fixedly connected to the top of the feeding box (2).

5. A drying device for producing polyether polyols according to claim 4, characterized in that: The surface of the reinforcement sleeve (11) is fixedly connected with reinforcement ribs (12), the number of the reinforcement ribs (12) is a plurality, and the plurality of reinforcement ribs (12) are evenly distributed at equal distances.

6. A drying device for producing polyether polyols according to claim 1, characterized in that: A weight-reducing groove (13) is provided on the surface of the mounting plate (3), and the weight-reducing groove (13) is located at the top of the drying kettle (1).

7. A drying device for producing polyether polyols according to claim 1, characterized in that: A reinforcement ring (14) is fixedly connected to the bottom of the drying kettle (1), and the reinforcement ring (14) is located at the bottom of the feeding box (2).

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