Synthesizer for phenoxyacetic acid production

Abstract

The invention relates to the technical field of phenoxyacetic acid production, and particularly discloses a synthesis device for phenoxyacetic acid production, which comprises a synthesis tank, the synthesis tank comprises a tank body, a driving seat, a top cover and a base; a rotary feeding mechanism is arranged on the top cover, a second feeding port is formed in the rotary feeding mechanism, and a first feeding port is further formed in the top cover; a rotating table and a fixed table are arranged in the driving seat, the rotating table is rotationally connected with the driving seat, and the fixed table is fixedly connected with the driving seat; a feeding pipe is fixedly mounted in the center of the fixed table, one side of the feeding pipe is communicated with the first feeding port, and the other side of the feeding pipe is communicated with a discharging pipe in the tank body; and a feeding cylinder is arranged on the fixing table, one side of the feeding cylinder communicates with the second feeding port, and the other end of the feeding cylinder extends into the tank body. The feeding dispersity of the raw materials can be improved, so that different raw materials are in full contact, and the synthesis efficiency of phenoxyacetic acid is improved.

Description

Technical Field

[0001] The invention specifically relates to the technical field of phenoxyacetic acid production, in particular to a synthesis device for phenoxyacetic acid production. Background Art

[0002] Phenoxyacetic acid is an organic compound with the chemical formula C 8 H 8 O 3 , white flakes or needle-shaped crystals. It exists naturally in cocoa beans and has a sweet and sour aroma, like honey. Phenoxyacetic acid is recognized as GRAS by FEMA, FEMA No. 2872, and is approved for consumption by FDA. It is also included in the table of artificial flavors allowed for temporary use in food without harming human health by the European Council. It can be used in the formulation of edible flavors and daily chemical flavors. It is used to make dyes, drugs, pesticides, etc., and can also be used as a fungicide.

[0003] In the prior art, the preparation method of phenoxyacetic acid is to add phenol to a reaction kettle, add an equimolar sodium hydroxide aqueous solution, and respectively add chloroacetic acid and sodium hydroxide aqueous solution dropwise at 100-110° C., maintain the pH value of the reaction solution at 10-11, and after the addition is completed, react at 100-110° C. for 30 minutes, add hydrochloric acid to neutralize to pH value 1-2, precipitate phenoxyacetic acid, cool and filter, and obtain a white solid product. Since multiple raw materials need to be added in the reaction, and the prior art cannot ensure that the raw materials can be fully contacted when added to the reaction kettle, the preparation process of phenoxyacetic acid is uncontrollable, and the content of the obtained phenoxyacetic acid is low. Summary of the invention

[0004] The object of the present invention is to provide a synthesis device for producing phenoxyacetic acid to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A synthesis device for producing phenoxyacetic acid comprises a synthesis tank, which comprises a tank body, a drive seat, a top cover and a base; a rotary feed mechanism is arranged on the top cover, a second feed port is arranged on the rotary feed mechanism, and a first feed port is also arranged on the top cover; a rotating table and a fixed table are arranged inside the drive seat, wherein the rotating table is rotatably connected to the drive seat, and the fixed table is fixedly connected to the drive seat; a feed pipe is fixedly installed at the center of the fixed table, one side of the feed pipe is connected to the first feed port, and the other side of the feed pipe is connected to a feed pipe inside the tank body; a feed barrel is arranged on the fixed table, one side of the feed barrel is connected to the second feed port, and the other end of the feed barrel extends into the tank body.

[0006] As a further solution of the present invention: the upper side of the tank body is connected to the driving seat, the top cover is installed on the upper side of the driving seat, the base is installed on the bottom of the tank body, and the tank body, the driving seat, the top cover and the base are assembled to form a container.

[0007] As a further solution of the present invention: a waist-shaped groove is provided at the bottom of the fixed table, the lower side of the feeding barrel is slidably connected to the waist-shaped groove, and the lower side of the feeding barrel is also connected to the inner wall of the waist-shaped groove through a reset spring, and a plurality of arc-shaped protrusions are provided on the inner side of the fixed table.

[0008] As a further solution of the present invention: a gear ring is fixedly mounted on the rotating table, a driving motor is fixedly mounted on the inner wall of the driving seat, a driving gear is fixedly mounted on the output end of the driving motor, and the driving gear is meshed with the gear ring.

[0009] As a further solution of the present invention: the rotary feeding mechanism includes a mounting seat fixedly mounted on the top cover and a rotary storage tray rotatably mounted on the bottom of the mounting seat, the second feed port is opened on the mounting seat, the second feed port is connected with the rotary storage tray, and a first discharge port is opened at the bottom of the rotary storage tray, the first discharge port is connected with the feed barrel through a connecting pipe, and the connecting pipe is a hose structure.

[0010] As a further solution of the present invention: a plurality of push rods are slidably installed on the side wall of the feed pipe, one end of the push rod is located on the inner side of the feed pipe, and the other end of the push rod is located on the outer side of the feed pipe, and a baffle is fixedly installed on the outer end of the push rod, and the baffle is connected to the outer wall of the feed pipe through a connecting spring sleeved on the push rod.

[0011] As a further solution of the present invention: a stirring mechanism is also arranged inside the tank body, and the stirring mechanism includes a driving shaft rotatably installed inside the tank body and a plurality of stirring paddles installed on the driving shaft.

[0012] As a further solution of the present invention: the stirring paddle is slidably connected to the outer wall of the driving shaft, and a hydraulic rod for controlling the stirring paddle to slide up and down is installed on the driving shaft.

[0013] As a further solution of the present invention: a plurality of second discharge ports are provided on the base, and the second discharge ports are connected to the interior of the tank body; an inspection port is also provided at the bottom of the base, and a rotating motor is fixedly installed inside the inspection port, and the output end of the rotating motor is fixedly connected to the drive shaft, and the rotating motor is used to drive the drive shaft to rotate.

[0014] As a further solution of the present invention: the second discharge port and the inspection port are both provided with covers.

[0015] Compared with the prior art, the present invention has the following beneficial effects: a first feed port and a second feed port are arranged on the tank body of the synthesis tank, and different raw materials required for the reaction are transported by using the two different feed ports, and during the feeding process of each raw material, the feeding position of the feed barrel connected to the second feed port is continuously changed by controlling the rotation of the rotating table, thereby improving the feeding dispersion of the raw materials, making different raw materials fully contact, and thus improving the synthesis efficiency of phenoxyacetic acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the structure of the synthesis device for the production of phenoxyacetic acid Figure 1 .

[0017] Figure 2 Schematic diagram of the structure of the synthesis device for the production of phenoxyacetic acid Figure 2 .

[0018] Figure 3 This is a schematic diagram of the internal structure of the drive seat in the synthesis device for producing phenoxyacetic acid.

[0019] Figure 4 This is a top view of the interior of the drive seat in the synthesis device for producing phenoxyacetic acid.

[0020] Figure 5 The figure is a bottom view of a drive seat in a synthesis device for producing phenoxyacetic acid.

[0021] Figure 6 This is a schematic diagram of the structure of a rotary feeding mechanism in a synthesis device for producing phenoxyacetic acid.

[0022] Figure 7 A top view of the synthesis device for producing phenoxyacetic acid.

[0023] Figure 8 This is a cross-sectional view of a synthesis device for producing phenoxyacetic acid.

[0024] In the figure: 10-synthesis tank, 11-tank body, 111-discharging pipe, 112-driving shaft, 113-stirring paddle, 114-hydraulic rod, 115-rotating motor, 12-driving seat, 121-rotating table, 122-fixed table, 123-gear ring, 124-feeding barrel, 1241-reset spring, 125-driving motor, 126-feeding pipe, 127-thrust rod, 128-baffle, 13-top cover, 131-first feeding port, 14-rotating feeding mechanism, 141-second feeding port, 142-rotating storage tray, 143-first discharging port, 15-base, 151-second discharging port, 152-inspection port. DETAILED DESCRIPTION

[0025] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0026] Example 1

[0027] See also Figure 1-Figure 7 In an embodiment of the present invention, a synthesis device for producing phenoxyacetic acid includes a synthesis tank 10, wherein the synthesis tank 10 includes a tank body 11, a drive seat 12, a top cover 13 and a base 15, wherein the upper side of the tank body 11 is connected to the drive seat 12, the top cover 13 is installed on the upper side of the drive seat 12, and the base 15 is installed at the bottom of the tank body 11, and the tank body 11, the drive seat 12, the top cover 13 and the base 15 are assembled to form a container for the synthesis reaction of phenoxyacetic acid; a rotary feeding mechanism 14 is provided on the top cover 13, and a second feeding port 141 is provided on the rotary feeding mechanism 14, and the second feeding port 141 is used to add a first raw material into the tank body 11, and the first raw material includes chloroacetic acid, sodium hydroxide and hydrochloric acid; the top cover 13 is also provided with a first feeding port 131, and the first feeding port 131 is used to add a second raw material into the tank body 11, and the second raw material includes phenol; Furthermore, in the embodiment of the present application, a rotating table 121 and a fixed table 122 are provided inside the driving seat 12, wherein the rotating table 121 is rotatably connected to the driving seat 12, and the fixed table 122 is fixedly connected to the driving seat 12. Specifically, the fixed table 122 is fixedly connected to the inner wall of the driving seat 12 through a connecting bracket, and the specific structure of the connecting bracket is omitted in the accompanying drawings; a feed pipe 126 is fixedly installed at the center of the fixed table 122, one side of the feed pipe 126 is connected to the first feed port 131, and the other side of the feed pipe 126 is connected to the discharge pipe 111 inside the tank body 11, and the feed The feed pipe 126 is used to feed the second raw material into the tank body 11; a feed barrel 124 is provided on the fixed table 122, one side of the feed barrel 124 is connected to the second feed port 141, and the other end of the feed barrel 124 extends into the tank body 11. The feed barrel 124 is used to feed the first raw material into the tank body 11. It can be understood that during the feeding process of the first raw material and the second raw material, the feeding position of the feed barrel 124 is continuously changed by controlling the rotation of the rotating table 121, thereby improving the feeding dispersion of the first raw material and making the first raw material fully contact with the second raw material, thereby improving the synthesis efficiency of phenoxyacetic acid.

[0028] Furthermore, in the embodiment of the present application, a waist-shaped groove is provided at the bottom of the fixed table 122, and the lower side of the feed barrel 124 is slidably connected to the waist-shaped groove. The lower side of the feed barrel 124 is also connected to the inner wall of the waist-shaped groove through a reset spring 1241. A plurality of arc-shaped protrusions are provided on the inner side of the fixed table 122. During the rotation of the rotating table 121, the feed barrel 124 is squeezed by the arc-shaped protrusions and moves left and right along the waist-shaped groove, thereby further improving the contact efficiency between the first raw material and the second raw material.

[0029] It should be noted that in the embodiment of the present application, a ring gear 123 is fixedly mounted on the rotating table 121, a driving motor 125 is fixedly mounted on the inner wall of the driving seat 12, a driving gear is fixedly mounted on the output end of the driving motor 125, and the driving gear is meshed with the ring gear 123. After the driving motor 125 is started, the driving gear and the ring gear 123 are controlled to rotate, thereby controlling the rotation of the rotating table 121.

[0030] It should also be noted that, in the embodiment of the present application, the rotary feeding mechanism 14 includes a mounting seat fixedly mounted on the top cover 13 and a rotary storage tray 142 rotatably mounted at the bottom of the mounting seat, the second feed port 141 is opened on the mounting seat, the second feed port 141 is connected to the rotary storage tray 142, and a first discharge port 143 is opened at the bottom of the rotary storage tray 142, and the first discharge port 143 is connected to the feed barrel 124 through a connecting pipe, and the connecting pipe is a hose structure.

[0031] In addition, in the embodiment of the present application, a plurality of push rods 127 are slidably installed on the side wall of the feed tube 126, one end of the push rod 127 is located on the inner side of the feed tube 126, and the other end of the push rod 127 is located on the outer side of the feed tube 126, and a baffle 128 is fixedly installed on the outer end of the push rod 127, and the baffle 128 is connected to the outer wall of the feed tube 126 through a connecting spring sleeved on the push rod 127. It can be understood that during the rotation of the rotating table 121, the feed barrel 124 is squeezed by the arc-shaped protrusion and moves left and right along the waist-shaped groove. When the feed barrel 124 squeezes the outer end of the push rod 127, the push rod 127 slides laterally on the side wall of the feed tube 126, thereby promoting the flow of raw materials inside the feed barrel 124, avoiding raw material blockage, and improving feeding efficiency.

[0032] Example 2

[0033] See also Figure 1-Figure 7In an embodiment of the present invention, a synthesis device for producing phenoxyacetic acid includes a synthesis tank 10, wherein the synthesis tank 10 includes a tank body 11, a drive seat 12, a top cover 13 and a base 15, wherein the upper side of the tank body 11 is connected to the drive seat 12, the top cover 13 is installed on the upper side of the drive seat 12, and the base 15 is installed at the bottom of the tank body 11, and the tank body 11, the drive seat 12, the top cover 13 and the base 15 are assembled to form a container for the synthesis reaction of phenoxyacetic acid; a rotary feeding mechanism 14 is provided on the top cover 13, and a second feeding port 141 is provided on the rotary feeding mechanism 14, and the second feeding port 141 is used to add a first raw material into the tank body 11, and the first raw material includes chloroacetic acid, sodium hydroxide and hydrochloric acid; the top cover 13 is also provided with a first feeding port 131, and the first feeding port 131 is used to add a second raw material into the tank body 11, and the second raw material includes phenol; Furthermore, in the embodiment of the present application, a rotating table 121 and a fixed table 122 are provided inside the driving seat 12, wherein the rotating table 121 is rotatably connected to the driving seat 12, and the fixed table 122 is fixedly connected to the driving seat 12. Specifically, the fixed table 122 is fixedly connected to the inner wall of the driving seat 12 through a connecting bracket, and the specific structure of the connecting bracket is omitted in the accompanying drawings; a feed pipe 126 is fixedly installed at the center of the fixed table 122, one side of the feed pipe 126 is connected to the first feed port 131, and the other side of the feed pipe 126 is connected to the discharge pipe 111 inside the tank body 11, and the feed The feed pipe 126 is used to feed the second raw material into the tank body 11; a feed barrel 124 is provided on the fixed table 122, one side of the feed barrel 124 is connected to the second feed port 141, and the other end of the feed barrel 124 extends into the tank body 11. The feed barrel 124 is used to feed the first raw material into the tank body 11. It can be understood that during the feeding process of the first raw material and the second raw material, the feeding position of the feed barrel 124 is continuously changed by controlling the rotation of the rotating table 121, thereby improving the feeding dispersion of the first raw material and making the first raw material fully contact with the second raw material, thereby improving the synthesis efficiency of phenoxyacetic acid.

[0034] Furthermore, in the embodiment of the present application, a waist-shaped groove is provided at the bottom of the fixed table 122, and the lower side of the feed barrel 124 is slidably connected to the waist-shaped groove. The lower side of the feed barrel 124 is also connected to the inner wall of the waist-shaped groove through a reset spring 1241. A plurality of arc-shaped protrusions are provided on the inner side of the fixed table 122. During the rotation of the rotating table 121, the feed barrel 124 is squeezed by the arc-shaped protrusions and moves left and right along the waist-shaped groove, thereby further improving the contact efficiency between the first raw material and the second raw material.

[0035] It should be noted that in the embodiment of the present application, a ring gear 123 is fixedly mounted on the rotating table 121, a driving motor 125 is fixedly mounted on the inner wall of the driving seat 12, a driving gear is fixedly mounted on the output end of the driving motor 125, and the driving gear is meshed with the ring gear 123. After the driving motor 125 is started, the driving gear and the ring gear 123 are controlled to rotate, thereby controlling the rotation of the rotating table 121.

[0036] It should also be noted that, in the embodiment of the present application, the rotary feeding mechanism 14 includes a mounting seat fixedly mounted on the top cover 13 and a rotary storage tray 142 rotatably mounted at the bottom of the mounting seat, the second feed port 141 is opened on the mounting seat, the second feed port 141 is connected to the rotary storage tray 142, and a first discharge port 143 is opened at the bottom of the rotary storage tray 142, and the first discharge port 143 is connected to the feed barrel 124 through a connecting pipe, and the connecting pipe is a hose structure.

[0037] In addition, in the embodiment of the present application, a plurality of push rods 127 are slidably installed on the side wall of the feed tube 126, one end of the push rod 127 is located on the inner side of the feed tube 126, and the other end of the push rod 127 is located on the outer side of the feed tube 126, and a baffle 128 is fixedly installed on the outer end of the push rod 127, and the baffle 128 is connected to the outer wall of the feed tube 126 through a connecting spring sleeved on the push rod 127. It can be understood that during the rotation of the rotating table 121, the feed barrel 124 is squeezed by the arc-shaped protrusion and moves left and right along the waist-shaped groove. When the feed barrel 124 squeezes the outer end of the push rod 127, the push rod 127 slides laterally on the side wall of the feed tube 126, thereby promoting the flow of raw materials inside the feed barrel 124, avoiding raw material blockage, and improving feeding efficiency.

[0038] Example 3

[0039] like Figure 8 As shown, the difference between Example 3 and Example 2 is that: In the embodiment of the present application, a stirring mechanism is further provided inside the tank body 11, and the stirring mechanism includes a driving shaft 112 rotatably installed inside the tank body 11 and a plurality of stirring paddles 113 installed on the driving shaft 112, the stirring paddles 113 are slidably connected to the outer wall of the driving shaft 112, and a hydraulic rod 114 is installed on the driving shaft 112 to control the stirring paddles 113 to slide up and down. When feeding, the hydraulic rod 114 moves the stirring paddle 113 to the bottom of the tank body 11, so that the stirring paddle 113 mixes and stirs the first raw material and the second raw material entering the tank body 11. After feeding, the hydraulic rod 114 raises the stirring paddle 113, so that the first raw material and the second raw material react to synthesize phenoxyacetic acid solid. After the reaction is completed, the hydraulic rod 114 moves the stirring paddle 113 to the bottom of the tank body 11 again, so that the stirring paddle 113 pushes the phenoxyacetic acid solid out of the tank body 11 to prevent the phenoxyacetic acid solid from remaining inside the tank body 11; Furthermore, in the embodiment of the present application, a plurality of second discharge ports 151 are provided on the base 15, and the second discharge ports 151 are connected to the interior of the tank body 11, and the second discharge ports 151 are used to discharge phenoxyacetic acid solids; an inspection port 152 is also provided at the bottom of the base 15, and a rotating motor 115 is fixedly installed inside the inspection port 152, and the output end of the rotating motor 115 is fixedly connected to the driving shaft 112, and the rotating motor 115 is used to drive the driving shaft 112 to rotate; it should be noted that the second discharge port 151 and the inspection port 152 are both provided with covers, and the covers can be opened and closed as needed.

[0040] In summary, the present invention sets a first feed port and a second feed port on the tank body of the synthesis tank, utilizes two different feed ports to convey different raw materials required for the reaction, and in the process of feeding each raw material, controls the rotation of the rotating table to continuously change the feeding position of the feed barrel connected to the second feed port, thereby improving the feeding dispersion of the raw materials, making different raw materials fully contact, and thus improving the synthesis efficiency of phenoxyacetic acid.

[0041] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0042] 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.

Claims

1. A synthesis device for producing phenoxyacetic acid, characterized in that: The invention comprises a synthesis tank (10), wherein the synthesis tank (10) comprises a tank body (11), a driving seat (12), a top cover (13) and a base (15); the top cover (13) is provided with a rotary feed mechanism (14), the rotary feed mechanism (14) is provided with a second feed port (141), and the top cover (13) is also provided with a first feed port (131); a rotating table (121) and a fixed table (122) are provided inside the driving seat (12), wherein the rotating table (121) is rotatably connected to the driving seat (12), and the fixed table (122) is rotatably connected to the driving seat (12). (122) is fixedly connected to the driving seat (12); a feed pipe (126) is fixedly installed at the center of the fixed platform (122), one side of the feed pipe (126) is connected to the first feed port (131), and the other side of the feed pipe (126) is connected to the discharge pipe (111) inside the tank body (11); a feed barrel (124) is arranged on the fixed platform (122), one side of the feed barrel (124) is connected to the second feed port (141), and the other end of the feed barrel (124) extends into the interior of the tank body (11).

2. The synthesis device for producing phenoxyacetic acid according to claim 1, characterized in that: The upper side of the tank body (11) is connected to the driving seat (12), the top cover (13) is installed on the upper side of the driving seat (12), the base (15) is installed on the bottom of the tank body (11), and the tank body (11), the driving seat (12), the top cover (13) and the base (15) are assembled to form a container.

3. The synthesis device for producing phenoxyacetic acid according to claim 1, characterized in that: A waist-shaped groove is provided at the bottom of the fixed platform (122), and the lower side of the feed tube (124) is slidably connected to the waist-shaped groove. The lower side of the feed tube (124) is also connected to the inner wall of the waist-shaped groove via a return spring (1241). A plurality of arc-shaped protrusions are provided on the inner side of the fixed platform (122).

4. The synthesis device for producing phenoxyacetic acid according to claim 3, characterized in that: A gear ring (123) is fixedly mounted on the rotating platform (121), a driving motor (125) is fixedly mounted on the inner wall of the driving seat (12), a driving gear is fixedly mounted on the output end of the driving motor (125), and the driving gear is meshed with the gear ring (123).

5. The synthesis device for producing phenoxyacetic acid according to claim 4, characterized in that: The rotary feeding mechanism (14) comprises a mounting seat fixedly mounted on the top cover (13) and a rotary storage tray (142) rotatably mounted on the bottom of the mounting seat, the second feed port (141) is provided on the mounting seat, the second feed port (141) is communicated with the rotary storage tray (142), a first discharge port (143) is provided at the bottom of the rotary storage tray (142), the first discharge port (143) is communicated with the feeding barrel (124) via a connecting pipe, and the connecting pipe is a hose structure.

6. The synthesis device for producing phenoxyacetic acid according to claim 5, characterized in that: A plurality of push rods (127) are slidably mounted on the side wall of the feed pipe (126), one end of the push rod (127) is located on the inner side of the feed pipe (126), and the other end of the push rod (127) is located on the outer side of the feed pipe (126), and a baffle (128) is fixedly mounted on the outer end of the push rod (127), and the baffle (128) is connected to the outer wall of the feed pipe (126) via a connecting spring sleeved on the push rod (127).

7. The synthesis device for producing phenoxyacetic acid according to any one of claims 1 to 6, characterized in that: A stirring mechanism is also provided inside the tank body (11), and the stirring mechanism comprises a driving shaft (112) rotatably mounted inside the tank body (11) and a plurality of stirring paddles (113) mounted on the driving shaft (112).

8. The synthesis device for producing phenoxyacetic acid according to claim 7, characterized in that: The stirring paddle (113) is slidably connected to the outer wall of the driving shaft (112), and a hydraulic rod (114) for controlling the stirring paddle (113) to slide up and down is installed on the driving shaft (112).

9. The synthesis device for producing phenoxyacetic acid according to claim 8, characterized in that: The base (15) is provided with a plurality of second discharge ports (151), the second discharge ports (151) being in communication with the interior of the tank body (11); the base (15) is also provided with an inspection port (152) at the bottom, a rotating motor (115) being fixedly installed inside the inspection port (152), the output end of the rotating motor (115) being fixedly connected to the driving shaft (112), the rotating motor (115) being used to drive the driving shaft (112) to rotate.

10. The synthesis device for producing phenoxyacetic acid according to claim 9, characterized in that: The second discharge port (151) and the inspection port (152) are both provided with covers.

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