Waste gas catalytic treatment device for combined polyether polyol production

Abstract

The utility model discloses a waste gas catalytic treatment device for combined polyether polyol production, and relates to the technical field of waste gas treatment for combined polyether polyol production. The device comprises a treatment box, mounting frames and a catalyst filling layer, a plurality of open slots are formed in the upper surface of the treatment box, the open slots are communicated with the interior of the treatment box, the number of the mounting frames is matched with that of the open slots, the mounting frames are embedded in the open slots, one end of each mounting frame extends into the treatment box, and the other end of each mounting frame extends into the treatment box. The peripheral side face of the mounting frame is in sliding fit with the open groove, the catalyst filling layer is arranged in the mounting frame, and heat conduction plates are arranged on the two opposite surfaces in the treatment box. Through the temperature control device and the heat conduction plate structure, the temperature in the treatment box is convenient to regulate and control, so that the interior of the treatment box reaches a proper temperature, the reaction speed between waste gas and a catalyst is increased, the treatment efficiency during use of the device is improved, and later use of the device is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste gas treatment for combined polyether polyol production, in particular to a waste gas catalytic treatment device for combined polyether polyol production. Background Art

[0002] Polyether polyols are organic polymers produced through the polyaddition reaction of initiators with ethylene oxide, propylene oxide, butylene oxide, and other hydrocarbons in the presence of a catalyst. The highest polyether yields are achieved using glycerol as the initiator and epoxide. By varying the addition method, ratio, and order of PO and EO, various general-purpose polyether polyols can be produced.

[0003] In the prior art, the existing treatment devices for waste gas generated during the production of composite polyether polyols have a low treatment efficiency. When the waste gas is catalytically treated, the reaction efficiency is slow, making it inconvenient for subsequent use. Utility Model Content

[0004] The purpose of the utility model is to provide a combined waste gas catalytic treatment device for polyether polyol production, so as to solve the problem of low existing treatment efficiency.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model discloses a catalytic treatment device for waste gas used in the production of combined polyether polyols, comprising a treatment box, a mounting frame and a catalyst filling layer. The upper surface of the treatment box is provided with a plurality of open slots, the open slots are communicated with the interior of the treatment box, the number of the mounting frames is adapted to the number of the open slots, the mounting frame is embedded in the open slots, one end of the mounting frame extends to the interior of the treatment box, the side surfaces of the mounting frame are slidably fitted with the open slots, the catalyst filling layer is arranged in the interior of the mounting frame, and heat conducting plates are provided on both opposite surfaces of the interior of the treatment box, which facilitates the regulation of the temperature inside the treatment box, so that the interior of the treatment box reaches a suitable temperature, which is conducive to the reaction speed between the waste gas and the catalyst, improves the treatment efficiency when the device is in use, and facilitates the later use of the device.

[0007] Furthermore, a temperature control device is installed on one surface of the processing box through bolts, and the temperature control device is electrically connected to the heat conducting plate.

[0008] Furthermore, one end of the installation frame extends to the outside of the opening groove, a connecting plate is welded to one end of the installation frame, positioning rods are installed at both ends of the upper surface of the connecting plate, and one end of the two positioning rods passes through the upper surface of the connecting plate.

[0009] Furthermore, one end of the two positioning rods is snap-fitted with the upper surface of the processing box, the peripheral side surfaces of the two positioning rods are slidingly fitted with the connecting plate, and pull plates are welded to the upper surfaces of the two positioning rods.

[0010] Furthermore, connecting springs are provided between the upper surfaces of the two pull plates and the upper surfaces of the connecting plates. The two connecting springs are respectively arranged on the side surfaces of the two positioning rods, which facilitates the later maintenance and replacement of the catalyst filling layer, ensures the reaction efficiency of the device, and improves the convenience of using the device.

[0011] Furthermore, an exhaust fan is installed on one side of the processing box by bolts, one end of the exhaust fan is connected to the inside of the processing box, the other end of the exhaust fan is equipped with an exhaust gas inlet pipe, and the other side of the processing box is installed with an exhaust fan by bolts.

[0012] Furthermore, one end of the exhaust fan is connected to the interior of the processing box, and the other end of the exhaust fan is equipped with an exhaust duct. Support rods are welded around the lower surface of the processing box.

[0013] Furthermore, a pulley is installed at one end of the support rod through a bolt, and the pulley is a universal wheel structure.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model uses a temperature control device and a heat conduction plate structure to facilitate the regulation of the temperature inside the treatment box, so that the temperature inside the treatment box reaches an appropriate temperature to facilitate the reaction speed between the exhaust gas and the catalyst, improve the treatment efficiency when the device is used, and facilitate the later use of the device.

[0016] 2. The utility model facilitates the later maintenance and replacement of the catalyst filling layer through the positioning rod, connecting spring and installation frame structure, ensures the reaction efficiency of the device, and improves the convenience of using the device.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic structural diagram of a combined exhaust gas catalytic treatment device for polyether polyol production according to the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of a combined exhaust gas catalytic treatment device for polyether polyol production according to the present invention;

[0021] Figure 3 This is a right-side structural schematic diagram of a combined exhaust gas catalytic treatment device for polyether polyol production according to the present invention;

[0022] Figure 4 The utility model is a schematic top view of the structure of a combined exhaust gas catalytic treatment device for the production of polyether polyols.

[0023] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0024] 1. Processing box; 2. Opening slot; 3. Mounting frame; 4. Catalyst filling layer; 5. Connecting plate; 6. Positioning rod; 7. Pull plate; 8. Connecting spring; 9. Exhaust fan; 10. Exhaust gas inlet pipe; 11. Temperature control device; 12. Heat conduction plate; 13. Exhaust fan; 14. Exhaust duct; 15. Support rod; 16. Pulley. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0027] See also Figures 1-4As shown, the utility model is a combined catalytic treatment device for exhaust gas used in the production of polyether polyols, comprising a treatment box 1, a mounting frame 3 and a catalyst filling layer 4. A plurality of open slots 2 are provided on the upper surface of the treatment box 1, and the open slots 2 are communicated with the interior of the treatment box 1. The number of the mounting frames 3 is adapted to the number of the open slots 2. The mounting frame 3 is embedded in the open slots 2, and one end of the mounting frame 3 extends to the interior of the treatment box 1. The side surfaces of the mounting frame 3 are slidably fitted with the open slots 2. The catalyst filling layer 4 is arranged in the interior of the mounting frame 3. Heat conducting plates 12 are provided on two opposite surfaces inside the treatment box 1 to facilitate regulation of the temperature inside the treatment box 1, so that the interior of the treatment box 1 reaches a suitable temperature to facilitate the reaction speed between the exhaust gas and the catalyst, improve the treatment efficiency when the device is in use, and facilitate the later use of the device.

[0028] A temperature control device 11 is installed on one surface of the processing box 1 by bolts. The temperature control device 11 is electrically connected to the heat conducting plate 12. One end of the mounting frame 3 extends to the outside of the opening groove 2. A connecting plate 5 is welded to one end of the mounting frame 3. Positioning rods 6 are installed at both ends of the upper surface of the connecting plate 5. One end of the two positioning rods 6 passes through the upper surface of the connecting plate 5.

[0029] One end of the two positioning rods 6 is snap-fitted with the upper surface of the processing box 1, and the side surfaces of the positioning rods 6 are slidingly fitted with the connecting plate 5. Pull plates 7 are welded to the upper surfaces of the two positioning rods 6, and connecting springs 8 are provided between the upper surfaces of the two pull plates 7 and the upper surface of the connecting plate 5. The two connecting springs 8 are respectively provided on the side surfaces of the two positioning rods 6, which is convenient for the later maintenance and replacement of the catalyst filling layer 4, ensures the reaction efficiency of the device, and improves the convenience of using the device.

[0030] An exhaust fan 9 is installed on one side of the processing box 1 by bolts. One end of the exhaust fan 9 is connected to the inside of the processing box 1. The other end of the exhaust fan 9 is equipped with an exhaust gas inlet pipe 10. An exhaust fan 13 is installed on the other side of the processing box 1 by bolts.

[0031] One end of the exhaust fan 13 is connected to the interior of the processing box 1, and the other end of the exhaust fan 13 is equipped with an exhaust duct 14. Support rods 15 are welded to the circumference of the lower surface of the processing box 1, and a pulley 16 is installed at one end of the support rod 15 by bolts. The pulley 16 is a universal wheel structure.

[0032] See also Figures 1-4As shown, the utility model is a combined exhaust gas catalytic treatment device for the production of polyether polyols, and its method of use is as follows: through the temperature control device 11 and the heat conduction plate 12 structure, the temperature inside the treatment box 1 is conveniently regulated, so that the inside of the treatment box 1 reaches a suitable temperature to facilitate the reaction speed between the exhaust gas and the catalyst, thereby improving the treatment efficiency when the device is used and facilitating the later use of the device; through the positioning rod 6, the connecting spring 8 and the installation frame 3 structure, the later maintenance and replacement of the catalyst filling layer 4 are facilitated, thereby ensuring the reaction efficiency of the device and improving the convenience of the device when used.

[0033] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A catalytic treatment device for exhaust gas used in the production of combined polyether polyols, comprising a treatment box (1), a mounting frame (3) and a catalyst filling layer (4), characterized in that: The upper surface of the treatment box (1) is provided with a plurality of opening slots (2), the opening slots (2) are communicated with the interior of the treatment box (1), the number of the mounting frames (3) is adapted to the number of the opening slots (2), the mounting frames (3) are mounted inside the opening slots (2), one end of the mounting frame (3) extends into the interior of the treatment box (1), the side surfaces of the mounting frame (3) are slidably fitted with the opening slots (2), the catalyst filling layer (4) is provided inside the mounting frame (3), and heat conducting plates (12) are provided on both opposite surfaces inside the treatment box (1).

2. A catalytic treatment device for exhaust gas used in the production of combined polyether polyols according to claim 1, characterized in that: A temperature control device (11) is mounted on one surface of the processing box (1) via bolts, and the temperature control device (11) is electrically connected to the heat conducting plate (12).

3. The exhaust gas catalytic treatment device for combined polyether polyol production according to claim 1, characterized in that: One end of the installation frame (3) extends to the outside of the opening slot (2), and a connecting plate (5) is welded to one end of the installation frame (3). Positioning rods (6) are installed at both ends of the upper surface of the connecting plate (5), and one end of the two positioning rods (6) passes through the upper surface of the connecting plate (5).

4. A catalytic treatment device for exhaust gas used in the production of combined polyether polyols according to claim 3, characterized in that: One end of the two positioning rods (6) is snap-fitted with the upper surface of the processing box (1), and the side surface of the positioning rods (6) is slidingly fitted with the connecting plate (5). Pull plates (7) are welded to the upper surfaces of the two positioning rods (6).

5. The exhaust gas catalytic treatment device for combined polyether polyol production according to claim 4, characterized in that: A connecting spring (8) is provided between the upper surfaces of the two pulling plates (7) and the upper surface of the connecting plate (5), and the two connecting springs (8) are respectively provided on the side surfaces around the two positioning rods (6).

6. The exhaust gas catalytic treatment device for combined polyether polyol production according to claim 1, characterized in that: An exhaust fan (9) is installed on one side of the treatment box (1) by means of bolts. One end of the exhaust fan (9) is connected to the interior of the treatment box (1). An exhaust gas inlet pipe (10) is installed on the other end of the exhaust fan (9). An exhaust fan (13) is installed on the other side of the treatment box (1) by means of bolts.

7. A combined exhaust gas catalytic treatment device for polyether polyol production according to claim 6, characterized in that: One end of the exhaust fan (13) is connected to the interior of the processing box (1), and the other end of the exhaust fan (13) is equipped with an exhaust pipe (14). Support rods (15) are welded to the circumference of the lower surface of the processing box (1).

8. The exhaust gas catalytic treatment device for combined polyether polyol production according to claim 7, characterized in that: A pulley (16) is mounted on one end of the support rod (15) via a bolt, and the pulley (16) is a universal wheel structure.

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