CN210449167U

CN210449167U - Benzene esterification kettle

Info

Publication number: CN210449167U
Application number: CN201921191308.3U
Authority: CN
Inventors: 胡全胜; 余新伟; 胡伟炳
Original assignee: Changhe Chemical New Material Jiangsu Co ltd
Current assignee: Changhe Chemical New Material Jiangsu Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-05
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a benzene esterification kettle, which relates to the technical field of reaction kettles and comprises a barrel body, an upper end socket and a lower end socket which are fixedly connected with the upper end socket and the lower end socket of the barrel body, wherein the lower end socket and the outer part of the barrel body are sleeved with a jacket end socket, the jacket barrel body is arranged between the jacket end socket and the barrel body as well as the lower end socket, the outer surface of the barrel body extends outwards to form an ear seat for fixedly installing the barrel body, the stirring mechanism also comprises a stirring mechanism, the stirring mechanism comprises a flange fixedly arranged on the surface of the upper end socket, the upper surface of the flange is connected with a frame through screw threads, a speed reducer is fixedly connected above the frame, the output end of the speed reducer is connected with a stirring shaft, one end of the stirring shaft, which is far away from the speed reducer, passes through the upper end socket and extends to the inside of the, the utility model discloses the cauldron of esterifying esterify efficient, the cauldron of esterifying is longe-lived.

Description

Benzene esterification kettle

Technical Field

The utility model relates to a reation kettle technical field, in particular to benzene cauldron of esterifying.

Background

Esterification reaction of monobenzene needs to be carried out in reaction kettle, traditional monobenzene esterification kettle is low in esterification efficiency, and the barrel inner wall often can lead to the barrel inner wall to be corroded due to direct impact of a reactant, and can lead to the reaction kettle barrel to be scrapped for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a benzene esterification cauldron for solve the technical problem that above-mentioned background art exists.

The technical scheme of the utility model is that the benzene esterification kettle comprises a barrel body, an upper end socket and a lower end socket which are fixedly connected with the upper end socket and the lower end socket of the barrel body, the outer parts of the lower end socket and the barrel body are sleeved with a jacket end socket, the jacket barrel body is arranged between the jacket end socket and the barrel body as well as between the jacket end socket and the lower end socket, an ear seat for fixedly installing the barrel body extends outwards from the outer surface of the barrel body, the benzene esterification kettle also comprises a stirring mechanism, the stirring mechanism comprises a flange fixedly arranged on the surface of the upper end socket, the upper surface of the flange is connected with a frame in a threaded manner, a speed reducer is fixedly connected above the frame, the output end of the speed reducer is connected with a stirring shaft, one end of the stirring shaft, which is far away from the speed reducer, penetrates through the upper end, the (mixing) shaft pivoted of agitator below is connected on a bottom bearing frame, the inner wall fixed connection of bottom bearing frame and low head, the barrel outside still is provided with the spiral guide plate, and the inner wall symmetry of barrel is provided with two impingement baffles, be provided with the baffle gusset that a plurality of increases impingement baffle intensity between impingement baffle and the barrel inner wall.

Preferably, an upper bearing seat is further fixedly arranged in the frame above the flange, and the stirring shaft penetrates through the upper bearing seat and the lower bearing seat.

Preferably, one end of each baffle rib plate is fixed on the inner wall of the cylinder body in a welding mode, the other end of each baffle rib plate is fixedly connected with the corresponding anti-impact baffle plate in a threaded screw connection mode, the number of the baffle rib plates is 4, and the baffle rib plates are axially and pairwise symmetrically arranged between the anti-impact baffle plates and the inner wall of the cylinder body relative to the center of the cylinder body.

Preferably, the flange is fixed on the surface of the upper end enclosure in a welding mode, a joint surface of the flange and the upper end enclosure is perpendicular to the central axis of the cylinder, corresponding screw holes are formed in the flange and the rack, first screws for fixing the flange and the rack are connected in the screw holes in a threaded mode, the same screw holes are formed in the upper bearing block and the flange in the same mode, and the upper bearing block and the flange are fixedly connected through second screws.

Preferably, the surface of the upper end enclosure is provided with a feed inlet, the bottom of the lower end enclosure is provided with a discharge outlet, the side wall of the barrel is provided with a heat conduction oil inlet, the bottom of the lower end enclosure is provided with a heat conduction oil outlet, the surface of the upper end enclosure is provided with a manhole for balancing the internal air pressure and the atmospheric pressure of the barrel, the upper end of the manhole is rotatably connected with a sealing cover, the surface of the upper end enclosure is further provided with two temperature measurement ports, a thermometer is fixedly connected to the upper part of each temperature measurement port, a temperature measurement rod is fixedly connected to the lower part of each thermometer, the temperature measurement rod penetrates through the temperature measurement ports and extends into the barrel.

Preferably, the upper end enclosure is further provided with a gas phase pipe, the surface of the upper end enclosure is provided with two viewing mirror ports stacked together relative to the gas phase pipe, and a pressure gauge port is further arranged between the viewing mirror ports and the gas phase pipe.

Preferably, the stirring shaft and the stirrer are fixedly installed in a threaded screw mode.

The utility model has the advantages as follows: the utility model relates to a benzene cauldron of esterifying drives the (mixing) shaft through the output of speed reducer and rotates, stirs the reaction of the inside emergence of barrel with epaxial agitator, and it is efficient to esterify, and the setting of end bearing frame is carried on spacingly to the (mixing) shaft, can make the (mixing) shaft can not receive the eccentric force at the rotation in-process, and in addition, the setting of scour protection baffle can be placed the reactant and directly strike the barrel inner wall.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a partially enlarged view of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 to 3, a benzene esterification kettle comprises a cylinder body 1, an upper seal head 2 and a lower seal head 3 which are fixedly connected with the upper end and the lower end of the cylinder body 1, wherein the outer parts of the lower seal head 3 and the cylinder body 1 are sleeved with a jacket seal head 4, a jacket cylinder body 5 is arranged between the jacket seal head 4 and the cylinder body 1 and the lower seal head 3, an ear seat 6 for fixedly mounting the cylinder body 1 extends outwards from the outer surface of the cylinder body 1, the benzene esterification kettle also comprises a stirring mechanism, the stirring mechanism comprises a flange 7 fixedly arranged on the surface of the upper seal head 2, the upper surface of the flange 7 is in threaded connection with a frame 8, a speed reducer 9 is fixedly connected above the frame 8, the output end of the speed reducer 9 is connected with a stirring shaft 10, one end of the stirring shaft 10, which is far away from the speed reducer 9, penetrates through the upper seal head 2 and extends into the cylinder, (mixing) shaft 10 pivoted of agitator 11 below is connected on a bottom bearing frame 12, bottom bearing frame 12 and low head 3's inner wall fixed connection, 1 outside spiral guide plate 13 that still is provided with of barrel, and the inner wall symmetry of barrel 1 is provided with two scour protection baffles 14, be provided with the baffle gusset 15 of a plurality of increase scour protection baffle 14 intensity between scour protection baffle 14 and the 1 inner wall of barrel, the utility model discloses a benzene esterification cauldron, the output through speed reducer 9 drives (mixing) shaft 10 and rotates, and agitator 11 on the (mixing) shaft 10 stirs the reaction of the inside emergence of barrel 1, and it is efficient to esterify, and bottom bearing frame 12 sets up and carries on spacingly to (mixing) shaft 10, can make (mixing) shaft 10 can not receive the eccentric force at the rotation in-process, and in addition, scour protection baffle 14's setting can place reactant direct impact.

Preferably, an upper bearing seat 16 is further fixedly arranged above the flange 7 and inside the frame 8, and the stirring shaft 10 penetrates through the upper bearing seat 16. The simultaneous limitation of the upper bearing seat 16 and the bottom bearing seat 12 ensures that the stirring shaft 10 is kept vertical all the time during the rotation process.

Preferably, one end of each baffle rib plate 15 is fixed on the inner wall of the barrel 1 in a welding mode, the other end of each baffle rib plate is fixedly connected with the corresponding anti-impact baffle 14 in a threaded screw connection mode, the number of the baffle rib plates 15 is 4, and the baffle rib plates are axially and pairwise symmetrically arranged between the anti-impact baffle 14 and the inner wall of the barrel 1 relative to the center of the barrel 1. The number of the baffle rib plates 15 is not limited to 4, and it is within the scope of the present invention to achieve the same technical effect by the same technical means.

Preferably, the flange 7 is fixed on the surface of the upper end enclosure 2 by welding, the joint surface of the flange 7 and the upper end enclosure 2 is perpendicular to the central axis of the cylinder 1, corresponding screw holes are formed in the flange 7 and the frame 8, first screws 17 for fixing the flange 7 and the frame 8 are connected in the screw holes in a threaded manner, the same screw holes are formed in the upper bearing block 16 and the flange 7, and the upper bearing block 16 and the flange 7 are fixedly connected through second screws 18. The first screw 17 and the second screw 18 are used for fixing the frame 8 and the upper bearing block 16, so that the speed reducer 9 is prevented from vibrating during working to influence the balance of the frame 8 and the upper bearing block 16.

Preferably, a feed inlet 19 is formed in the surface of the upper end enclosure 2, a discharge outlet 20 is formed in the bottom of the lower end enclosure 3, a heat conduction oil inlet 21 is formed in the side wall of the cylinder 1, a heat conduction oil outlet 22 is formed in the bottom of the lower end enclosure 3, a manhole 23 used for balancing the internal air pressure and the atmospheric pressure of the cylinder 1 is formed in the surface of the upper end enclosure 2, a sealing cover is rotatably connected to the upper end of the manhole 23, two temperature measuring ports 24 are further formed in the surface of the upper end enclosure 2, a thermometer 25 is fixedly connected to the upper side of each temperature measuring port 24, a temperature measuring rod 26 is fixedly connected to the lower side of the thermometer 25, the temperature measuring rod 26 penetrates through the temperature measuring ports 24 and extends into the cylinder 1, and. The temperature inside the cylinder 1 can be observed by the thermometer 25 on the temperature measuring port 24.

Preferably, the upper end enclosure 2 is further provided with a gas phase pipe 28, the surface of the upper end enclosure 2 is provided with two viewing mirror ports 29 stacked about the gas phase pipe 28, so that the esterification reaction inside the cylinder body 1 can be visually observed, a pressure gauge port 30 is further arranged between the viewing mirror ports 29 and the gas phase pipe 28, and the pressure inside the cylinder body 1 can be observed through a pressure gauge arranged on the pressure gauge port 30.

Preferably, the stirring shaft 10 and the stirrer 11 are fixedly installed by means of threaded screws. Facilitating the disassembly and replacement of the agitator 11.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a benzene cauldron of esterifying, includes barrel and fixed connection in the upper cover and the low head at both ends about the barrel, the outside cover of low head and barrel is equipped with and presss from both sides the cover head, it all is provided with between cover head and barrel, the low head and presss from both sides the cover barrel to press from both sides, the outside extension of surface of barrel has an ear seat that is used for barrel fixed mounting, its characterized in that: still include an rabbling mechanism, the rabbling mechanism includes the flange that upper cover fixed surface set up, the upper surface threaded connection of flange has a frame, a top fixedly connected with speed reducer of frame, the output of speed reducer is connected with a (mixing) shaft, the one end that the speed reducer was kept away from to the (mixing) shaft passes the upper cover and extends to inside the barrel, the lower extreme of (mixing) shaft is connected with an agitator that is used for the stirring, and the (mixing) shaft pivoted of agitator below is connected on a base bearing frame, the inner wall fixed connection of base bearing frame and low head, the barrel outside still is provided with the spiral guide plate, and the inner wall symmetry of barrel is provided with two impingement baffle, be provided with the baffle gusset that a plurality of increased impingement baffle intensity between impingement baffle and the barrel inner wall.

2. The monophenyl esterification kettle according to claim 1, wherein: an upper bearing seat is fixedly arranged in the frame above the flange, and the stirring shaft penetrates through the upper bearing seat.

3. The monophenyl esterification kettle according to claim 2, wherein: one end of each baffle rib plate is fixed on the inner wall of the barrel in a welding mode, the other end of each baffle rib plate is fixedly connected with the corresponding anti-impact baffle plate in a threaded screw connection mode, the number of the baffle rib plates is 4, and the baffle rib plates are arranged between the anti-impact baffle plates and the inner wall of the barrel in a pairwise symmetric mode relative to the central axis of the barrel.

4. The monophenyl esterification kettle according to claim 3, wherein: the flange is fixed on the surface of the upper end enclosure in a welding mode, the joint surface of the flange and the upper end enclosure is perpendicular to the central axis of the cylinder, corresponding screw holes are formed in the flange and the rack, first screws used for fixing the flange and the rack are connected in the screw holes in an internal thread mode, the same screw holes are formed in the upper bearing block and the inner portion of the flange, and the upper bearing block and the flange are fixedly connected through second screws.

5. The monophenyl esterification kettle according to claim 4, wherein: the utility model discloses a temperature measuring device, including upper cover, lower head, manhole, cover, temperature measuring port, feed inlet, discharge gate, conduction oil inlet, conduction oil outlet, manhole, temperature measuring pole, discharge gate, conduction oil inlet, conduction oil outlet, heat conduction oil outlet, a manhole that is used for balancing the inside atmospheric pressure of barrel and atmospheric pressure is seted up to the surface of upper cover, the manhole upper end is rotated and is connected with a closing cap, and two temperature measuring ports have still been seted up to the upper cover surface, the top fixedly connected with thermometer of every temperature measuring port, thermometer below fixedly connected with temperature measuring pole, the temperature measuring pole passes the temperature measuring port and extends to in the.

6. The monophenyl esterification kettle according to claim 5, wherein: the upper end enclosure is also provided with a gas phase pipe, the surface of the upper end enclosure is provided with two viewing mirror ports which are piled up relative to the gas phase pipe, and a pressure gauge port is also arranged between the viewing mirror ports and the gas phase pipe.

7. The monophenyl esterification kettle according to claim 6, wherein: the stirring shaft and the stirrer are fixedly installed in a threaded screw mode.