Unsaturated resin reaction kettle capable of preventing discharge pipe from being blocked

Abstract

The utility model relates to an unsaturated polyester resin reaction kettle capable of preventing a discharge pipe from being blocked, which belongs to the technical field of reaction kettles and comprises a reaction kettle body, a discharge port is arranged on the reaction kettle body, a discharge valve is arranged at the bottom of the discharge port, a right-angle bent pipe is connected to the bottom of the discharge valve, and a manual valve is arranged at the other end of the right-angle bent pipe. A heat tracing jacket is sleeved outside the right-angle bent pipe, the heat tracing jacket comprises a heat tracing elbow pipe arranged at the turning position of the right-angle bent pipe, an upper heat tracing straight pipe and a lower heat tracing straight pipe are welded and fixed at two ends of the heat tracing elbow pipe, and the heat tracing elbow pipe is formed by welding two symmetrical heat tracing half elbow pipes. The discharging valve is arranged at the bottom of the discharging port, the bottom of the discharging valve is connected with the right-angle bent pipe replacing a reducer pipe, blocking can be better prevented, the heat tracing jacket is arranged on the outer side of the right-angle bent pipe, steam can be introduced into the heat tracing jacket, heat tracing is carried out, blocking is better prevented, and the heat tracing effect is good. In addition, the turning position of the heat tracing jacket is in a two-half combined welding mode, and machining and assembling are convenient.

Description

Technical Field

[0001] The utility model relates to an unsaturated resin reaction kettle which can prevent a discharge pipe from being blocked, and belongs to the technical field of reaction kettles. Background Art

[0002] In the field of chemical production, the discharge of low-temperature reactors is crucial, especially for unsaturated resin production, processing and storage enterprises. The resin produced by our company in the reactor in the low-temperature workshop has a reaction temperature of about 130-150℃ in the reactor. When the reaction is completed, the temperature is about 40℃ when discharging. Because the discharge temperature is close to room temperature during discharge, the viscosity of the resin is large, the existing reactor bottom flange and outlet valve are DN65, and the DN65 pipeline at the outlet under the valve is connected to the DN50 pipeline through a DN65-DN50 reducer, which often causes pipeline blockage, causing the resin to aggregate and solidify at the reducer, resulting in material loss and production interruption, increasing costs and affecting efficiency, so it is urgent to optimize the discharge device. Utility Model Content

[0003] The utility model provides an unsaturated resin reactor for preventing a discharge pipe from being blocked, solving the problem that the discharge pipe at the bottom of the current reactor is easily blocked, causing material loss and production interruption, increasing costs and affecting efficiency.

[0004] The utility model relates to an unsaturated resin reactor for preventing a discharge pipe from being blocked, comprising a reactor body, a stirring shaft, a stirring motor, a stirrer and a heating coil arranged on the reactor body, the heating coil being connected with a heating steam inlet pipe and a heating steam outlet pipe, a discharge port being arranged at the bottom of the reactor body, a discharge valve being arranged at the bottom of the discharge port, a right-angle elbow being connected at the bottom of the discharge valve, a manual valve being arranged at the other end of the right-angle elbow, the manual valve being connected with a storage tank through a pipeline, a heating jacket being arranged on the outside of the right-angle elbow, a steam heating inlet pipe being connected at one end of the heating jacket close to the manual valve, a steam heating outlet being connected at one end of the heating jacket close to the discharge valve, the heating jacket comprising a heating elbow pipe arranged at a turning point of the right-angle elbow, a heating upper straight pipe and a heating lower straight pipe being welded and fixed at both ends of the heating elbow pipe, and the heating elbow pipe being welded by two symmetrical heating half elbow pipes.

[0005] As a preferred embodiment, semi-circular arc-shaped positioning arc plates are fixed on the inner sides of both ends of the heating half elbow pipe, the inner side of the positioning arc plate is in contact with the outer side wall of the right-angle elbow pipe, and a plurality of arc-shaped air vents are evenly arranged on the outer edge of the positioning arc plate. When two heating half elbow pipes are spliced ​​on the outer side wall of the direct elbow pipe, the positioning arc plate can quickly locate the position of the heating half elbow pipe.

[0006] As a preferred embodiment, the steam tracing inlet pipe and the heating steam inlet pipe are connected to a steam delivery pipe, the steam tracing outlet pipe is connected to the heating steam outlet pipe, and valves are provided on the steam tracing inlet pipe, the heating steam outlet pipe, the steam tracing outlet pipe and the heating steam inlet pipe.

[0007] As a preferred embodiment, a drain pipe is provided at the bottom of one end of the lower straight heating pipe close to the manual valve, and a valve is provided on the drain pipe to facilitate the discharge of condensed water in the heating jacket.

[0008] As a preferred embodiment, a pair of connecting flanges are provided at both ends of the discharge valve and the manual valve, and connecting bolts are provided on the outer side walls of each pair of connecting flanges; a positioning boss is provided on one of the connecting flanges of each pair of connecting flanges, and a positioning recess is provided on the other connecting flange; a supporting recess is provided on the positioning recess and the positioning boss, and a sealing ring is provided at the supporting recess, and a sealing groove is provided on the outer side of the supporting recess, and a sealing boss matching the sealing groove is provided on the sealing ring. The cooperation between the supporting recess and the positioning boss can prevent the sealing ring from being squeezed and damaged when the connecting flanges are butt-locked, and the cooperation between the sealing groove and the sealing boss can ensure the sealing effect.

[0009] As a preferred embodiment, an open groove is provided on the outer side wall of each pair of connecting flanges, and the connecting bolts are located in the open grooves, so that the connecting bolts can be removed conveniently and quickly.

[0010] The utility model has the following beneficial effects:

[0011] By arranging a discharge valve at the bottom of the discharge port, a right-angle elbow replacing the reducer is connected to the bottom of the discharge valve, which can better prevent blockage, and a heating jacket is arranged on the outside of the right-angle elbow, and steam can be passed into the heating jacket for heating, which can better prevent blockage. In addition, the turning part of the heating jacket is a two-halves combined welded type, which is convenient for processing and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 for Figure 1 Partial structure diagram Figure 1 ;

[0014] Figure 3 for Figure 1 Partial structure diagram Figure 2 ;

[0015] Figure 4 It is a schematic diagram of the top structure of the connecting flange;

[0016] Figure 5 It is a schematic diagram of the end structure of the heating elbow pipe;

[0017] In the figure: 1. stirring motor; 2. reactor body; 3. stirring shaft; 4. heating coil; 5. heating steam outlet pipe; 6. heating steam inlet pipe; 7. steam delivery pipe; 8. steam heating inlet pipe; 9. drain pipe; 10. manual valve; 11. right-angle elbow; 12. discharge valve; 13. discharge port; 14. heating upper straight pipe; 15. positioning arc plate; 16. vent; 17. heating elbow pipe; 18. heating lower straight pipe; 19. opening groove; 20. connecting flange; 21. connecting bolt; 22. positioning boss; 23. sealing ring; 24. sealing boss; 25. steam heating outlet pipe. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with embodiments.

[0019] Embodiment 1, as Figures 1 to 5 As shown, the utility model is an unsaturated resin reactor for preventing the discharge pipe from being blocked, comprising a reactor body 2, on which a stirring shaft 3, a stirring motor 1, a stirrer, and a heating coil 4 are arranged, a temperature sensor is arranged in the reactor body 2, the heating coil 4 is connected with a heating steam inlet pipe 6 and a heating steam outlet pipe 5, a discharge port 13 is arranged at the bottom of the reactor body 2, a discharge valve 12 is arranged at the bottom of the discharge port 13, a right-angle elbow 11 is connected to the bottom of the discharge valve 12, and the other end of the right-angle elbow 11 is arranged There is a manual valve 10, which is connected to the storage tank through a pipeline. The right-angle elbow 11 is covered with a heating jacket on the outside. The end of the heating jacket close to the manual valve 10 is connected to the steam heating inlet pipe 8, and the end of the heating jacket close to the discharge valve 12 is connected to the steam heating outlet pipe 25. The heating jacket includes a heating elbow pipe 17 arranged at the turning point of the right-angle elbow 11. The two ends of the heating elbow pipe 17 are welded and fixed with a heating upper straight pipe 14 and a heating lower straight pipe 18. The heating elbow pipe 17 is welded by two symmetrical heating half elbow pipes.

[0020] During operation, the discharge valve 12 and the manual valve 10 are closed, and the material is added into the reactor body 2 from the feeding port. The stirring motor 1 drives the stirring shaft 3 and the stirrer to rotate to stir the material. The heating steam inlet pipe 6 and the heating steam outlet pipe 5 pass heating steam into the heating coil 4 to heat the material. The material reacts, and the steam is stopped after a period of time. When the material has reacted and needs to be discharged, the steam tracing inlet pipe 8 passes steam into the heating jacket for heating, and then the discharge valve 12 and the manual valve 10 are opened to discharge the material into the storage tank. After the material is discharged, the discharge valve 12 and the manual valve 10 are closed.

[0021] Embodiment 2, based on embodiment 1, semi-circular arc-shaped positioning arc plates 15 are welded and fixed to the inner sides of both ends of the heating half elbow pipe, the inner side of the positioning arc plate 15 contacts the outer side wall of the right-angle elbow 11, and a plurality of arc-shaped air vents 16 are evenly arranged on the outer edge of the positioning arc plate 15. When welding the heating jacket, first buckle the two halves of the heating half elbow pipe from the front and rear sides of the turning point of the right-angle elbow 11, and when buckling, the inner side of the positioning arc plate 15 is attached to the outer side wall of the right-angle elbow 11, then weld the joints of the two heating half elbow pipes, and weld and fix the inner side of the positioning arc plate 15 to the outer side wall of the right-angle elbow 11, then respectively put the heating upper straight pipe 14 and the heating lower straight pipe 18 on the upper and lower ends of the right-angle elbow 11, and the inner ends of the heating upper straight pipe 14 and the heating lower straight pipe 18 are welded and fixed to the outer end of the heating elbow pipe 17 to seal, and then the outer ends of the heating upper straight pipe 14 and the heating lower straight pipe 18 are welded and fixed to the right-angle elbow 11, and finally the connecting flanges 20 are welded and fixed at both ends of the right-angle elbow 11.

[0022] The steam heating inlet pipe 8 and the heating steam inlet pipe 6 are connected to the steam delivery pipe 7, the steam heating outlet pipe 25 is connected to the heating steam outlet pipe 5, and valves are provided on the steam heating inlet pipe 8, the heating steam outlet pipe 5, the steam heating outlet pipe 25 and the heating steam inlet pipe 6.

[0023] A drain pipe 9 is provided at the bottom of one end of the heating lower straight pipe 18 near the manual valve 10, and a valve is provided on the drain pipe 9. At regular intervals, the valve on the drain pipe 9 can be opened to release the condensed water in the heating jacket.

[0024] A pair of connecting flanges 20 are provided at both ends of the discharge valve 12 and the manual valve 10, and connecting bolts 21 are provided on the outer side walls of each pair of connecting flanges 20; one of the connecting flanges 20 of each pair of connecting flanges 20 is provided with a positioning boss 22, and the other connecting flange 20 is provided with a positioning recess, and the positioning recess and the positioning boss 22 are both provided with supporting recesses, and a sealing ring 23 is provided at the supporting recess, and a sealing groove is provided on the outer side of the supporting recess, and a sealing boss 24 that cooperates with the sealing groove is provided on the sealing ring 23.

[0025] Each pair of connecting flanges 20 is provided with an open groove 19 on its outer side wall, and the connecting bolts 21 are located in the open groove 19 . When disassembling, the connecting bolts 21 can be loosened to be taken out from the open groove 19 .

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0027] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. An unsaturated resin reactor for preventing a discharge pipe from being blocked, comprising a reactor body (2), the reactor body (2) being provided with a stirring shaft (3), a stirring motor (1), a stirrer, and a heating coil (4), the heating coil (4) being connected with a heating steam inlet pipe (6) and a heating steam outlet pipe (5), and a discharge port (13) being provided at the bottom of the reactor body (2), characterized in that: A discharge valve (12) is provided at the bottom of the discharge port (13). A right-angle elbow (11) is connected to the bottom of the discharge valve (12). A manual valve (10) is provided at the other end of the right-angle elbow (11). The manual valve (10) is connected to a storage tank through a pipeline. A heating jacket is provided on the outside of the right-angle elbow (11). The end of the heating jacket close to the manual valve (10) is connected to a steam heating inlet pipe (8). The end of the heating jacket close to the discharge valve (12) is connected to a steam heating outlet pipe (25). The heating jacket comprises a heating elbow pipe (17) provided at a turning point of the right-angle elbow (11). A heating upper straight pipe (14) and a heating lower straight pipe (18) are welded and fixed at both ends of the heating elbow pipe (17). The heating elbow pipe (17) is formed by welding two symmetrical heating half elbow pipes.

2. The unsaturated resin reaction kettle for preventing the discharge pipe from being blocked according to claim 1, characterized in that: Semi-circular arc-shaped positioning arc plates (15) are fixed to the inner sides of both ends of the heating half elbow pipe, the inner side of the positioning arc plate (15) contacts the outer side wall of the right-angle elbow pipe (11), and a plurality of arc-shaped vent holes (16) are evenly arranged at the outer edge of the positioning arc plate (15).

3. The unsaturated resin reaction kettle for preventing the discharge pipe from being blocked according to claim 1, characterized in that: The steam tracing inlet pipe (8) and the heating steam inlet pipe (6) are connected to a steam delivery pipe (7); the steam tracing outlet pipe (25) is connected to the heating steam outlet pipe (5); and valves are provided on the steam tracing inlet pipe (8), the heating steam outlet pipe (5), the steam tracing outlet pipe (25) and the heating steam inlet pipe (6).

4. The unsaturated resin reaction kettle for preventing the discharge pipe from being blocked according to claim 2, characterized in that: A drainage pipe (9) is provided at the bottom of one end of the heating lower straight pipe (18) close to the manual valve (10), and a valve is provided on the drainage pipe (9).

5. The unsaturated resin reaction kettle for preventing the discharge pipe from being blocked according to claim 1, characterized in that: A pair of connecting flanges (20) are provided at both ends of the discharge valve (12) and the manual valve (10), and connecting bolts (21) are provided on the outer side walls of each pair of connecting flanges (20); one of the connecting flanges (20) of each pair of connecting flanges (20) is provided with a positioning boss (22), and the other connecting flange (20) is provided with a positioning recess, and the positioning recess and the positioning boss (22) are both provided with a supporting recess, and a sealing ring (23) is provided at the supporting recess, and a sealing groove is provided on the outer side of the supporting recess, and a sealing boss (24) matched with the sealing groove is provided on the sealing ring (23).

6. The unsaturated resin reaction kettle for preventing the discharge pipe from being blocked according to claim 5, characterized in that: An open groove (19) is provided on the outer side wall of each pair of connecting flanges (20), and the connecting bolts (21) are located in the open groove (19).

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