阅读说明：本技术 一种具有物料自动回收机构的化工酯化反应设备 (Chemical esterification reaction equipment with automatic mechanism of retrieving of material ) 是由 陈一锋 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种具有物料自动回收机构的化工酯化反应设备,涉及化学加工技术领域,解决了目前使用的反应设备主要为一体式结构,不具备快速回收加工后的物料的功能,不利于快速更换物料,不具备密封填充物料的功能的问题。一种具有物料自动回收机构的化工酯化反应设备,包括底座；所述底座还包括有框架,限位滑条；所述底座的顶部一体式设置有两组框架,且框架的顶部固定设置有反应筒,通过设置有物料座和物料筒,为反应设备提供了快速回收物料的功能,物料座可以通过剪叉升降机控制高度,通过丝杠和电机控制位置,能够在完成加工后自动将物料输送到底座前端,为回收物料提供了方便。(The invention discloses chemical esterification reaction equipment with an automatic material recovery mechanism, relates to the technical field of chemical processing, and solves the problems that the existing reaction equipment is mainly of an integrated structure, does not have the function of quickly recovering processed materials, is not beneficial to quickly replacing the materials and does not have the function of sealing and filling the materials. A chemical esterification reaction device with an automatic material recovery mechanism comprises a base; the base also comprises a frame and a limiting slide bar; the top integral type of base is provided with two sets of frames, and the fixed reaction cylinder that is provided with in top of frame, through being provided with material seat and material section of thick bamboo, provides the function of retrieving the material fast for reaction equipment, and the material seat can be through cutting fork elevator control height, through lead screw and motor control position, can accomplish the processing back and carry the base front end with the material automatically, provides convenience for retrieving the material.)

1. The utility model provides a chemical industry esterification reaction equipment with automatic mechanism of retrieving of material which characterized in that: comprises a base (1); the base (1) also comprises a frame (101) and a limiting slide bar (102); the top of the base (1) is integrally provided with two groups of frames (101), and the top of each frame (101) is fixedly provided with a reaction cylinder (2); two groups of limiting sliding strips (102) are fixedly arranged on two sides of the base (1), and alignment clamping grooves are formed in the front sides of the limiting sliding strips (102); a vacuum pump (3) is fixedly arranged on one side of the top of the base (1), and a pipeline is arranged on one side of the base (1) and connected with the vacuum pump (3); the front side of the top of the base (1) is rotatably provided with a screw rod (4) through a shaft bracket structure; a motor (5) is fixedly arranged at the top of the front side of the base (1), and the motor (5) is in transmission connection with a bevel gear arranged at the front end of the lead screw (4); the top of the base (1) is provided with a scissor lift (6) in a sliding manner through a guide rail structure, and the bottom of the scissor lift (6) is in transmission connection with the lead screw (4); a material seat (7) is fixedly arranged at the top of the scissor lift (6); a material cylinder (8) is fixedly arranged at the top of the material seat (7); a top plate (9) is fixedly arranged at the top of the reaction cylinder (2); a filling device (10) is fixedly arranged on one side of the base (1); a vertical pipe (11) is fixedly arranged at the bottom of the top plate (9); an electric cylinder (12) is fixedly arranged in the middle of the top plate (9); the top of the rear side of the base (1) is fixedly provided with a temperature control water sump (13) through a support structure.

2. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the material seat (7) also comprises an auxiliary slide piece (701) and a circulating pipe (702); two groups of auxiliary sliders (701) are fixedly arranged at the bottoms of the two sides of the material seat (7), and the rear sides of the auxiliary sliders (701) are both provided with assembling structures which are matched with the front sides of the frames (101) to slide; two groups of pipeline joints are integrally arranged at the bottom of the rear side of the material seat (7), and two groups of circulating pipes (702) are connected and arranged at the bottom of the rear side of the material seat (7) through a threaded structure; the top edge of the material seat (7) is embedded with a rubber ring.

3. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the material barrel (8) also comprises a connecting ball valve (801) and a threaded sleeve (802); two groups of connecting ball valves (801) are connected and arranged at the bottom of the rear side of the material barrel (8) through a pipeline, connecting pipes are connected and arranged at the bottoms of the connecting ball valves (801), and threaded sleeves (802) are arranged on the outer sides of the bottoms of the connecting pipes in a sliding manner; the top of the circulating pipe (702) can be connected with the bottom of the threaded sleeve (802) through threads.

4. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the filling device (10) further comprises a dry material channel (1001), a valve plate (1002), a feeding pipe (1003), a valve channel (1004), a sliding block (1005), a round edge valve plate (1006), a liquid material channel (1007), a guide rod (1008), a pull block (1009), a locking screw (1010), a pushing plate (1011) and a hand pushing plate (1012); the top of the inner side of the filling device (10) is provided with a dry material channel (1001), the top of the outer side of the dry material channel (1001) is provided with a square hole, and the inner side of the square hole is rotatably provided with a valve plate (1002) through hinge connection; a feeding pipe (1003) is arranged at the bottom of the inner side of the dry material channel (1001) and penetrates through the bottom of the filling device (10); a valve channel (1004) is arranged in the middle of the filling device (10), and the inner ends of the valve channel (1004) respectively penetrate through the feeding pipe (1003); a sliding block (1005) is fixedly arranged in the middle of the valve channel (1004); the inner end of the valve channel (1004) is slidably provided with a round edge valve plate (1006), the edge of the round edge valve plate (1006) is matched with the top of the inner side of the feeding pipe (1003) in shape, and the outer side of the round edge valve plate (1006) is wrapped with a silica gel layer; a liquid material channel (1007) is formed in the bottom of the inner side of the filling device (10), and a ball valve is connected to the bottom of the outer end of the liquid material channel (1007); two groups of guide rods (1008) are integrally arranged on one side of the round edge valve plate (1006), and the guide rods (1008) penetrate through the sliding block (1005) and the outer side of the filling device (10) to be connected in a sliding mode and are fixedly provided with pull blocks (1009); a locking screw (1010) is inserted into the outer side of the top of the pulling block (1009), and the pulling block (1009) can be fixedly arranged outside the filling device (10) through the locking screw (1010); a material pushing plate (1011) is arranged in the dry material channel (1001) in a sliding mode, four groups of circular slide rods are fixedly arranged on the periphery of the outer side of the material pushing plate (1011), and a hand pushing plate (1012) penetrates through the outer end of the filling device (10) and is fixedly arranged.

5. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the vertical pipe (11) also comprises a side pipe (1101) and a corrugated pipe (1102); a side pipe (1101) is integrally arranged on one side of the vertical pipe (11), and the side pipe (1101) penetrates through one side of the reaction cylinder (2) and is matched with a sealant for sealing connection; the bottom of the vertical pipe (11) is connected with a corrugated pipe (1102).

6. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the electric cylinder (12) also comprises a push plate (1201), a sliding rod (1202), a lifting pipe (1203) and an exhaust device (1204); a push plate (1201) is fixedly arranged at the top of the electric cylinder (12), and four sides of the periphery of the push plate (1201) are fixedly provided with four groups of slide bars (1202); the bottom end of the sliding rod (1202) penetrates through the top plate (9) to be fixedly provided with a square plate structure, the middle of the bottom of the square plate structure is integrally provided with a lifting pipe (1203), and the lifting pipe (1203) penetrates through the square plate structure to be communicated with the bottom of the corrugated pipe (1102); an exhaust device (1204) is fixedly arranged at the bottom of the lifting pipe (1203).

7. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 6, is characterized in that: the exhaust device (1204) is arranged to be in a circular grid structure, and the bottom of the exhaust device (1204) is provided with an air outlet; the bottom of the exhaust device (1204) can be attached to the bottom of the inner side of the material barrel (8).

8. The chemical esterification reaction equipment with the automatic material recovery mechanism, according to claim 1, is characterized in that: the top and the bottom of the rear side of the temperature control water sump (13) are respectively provided with a pipeline joint in an integrated manner; the circulating pipe (702) is respectively connected and communicated with two pipe joints at the rear side of the temperature control water sump (13); and a circulating pump is connected and arranged in the middle of a group of circulating pipes (702) connected with the bottom of the rear side of the temperature control water sump (13).

Technical Field

The invention relates to the technical field of chemical processing, in particular to chemical esterification reaction equipment with an automatic material recovery mechanism.

Background

Esterification is a type of organic chemical reaction, which is the reaction of alcohol with carboxylic acid or oxygen-containing inorganic acid to produce ester and water. The method is divided into three types of reactions, namely a reaction of carboxylic acid and alcohol, a reaction of inorganic oxyacid and alcohol and a reaction of inorganic strong acid and alcohol. The esterification of carboxylic acids with alcohols is reversible and generally very slow, so concentrated sulfuric acid is often used as a catalyst.

Through retrieving for example, patent No. CN209917892U discloses a borneol esterification reaction device, relates to the field of borneol synthesis, and aims to solve the technical problem that the esterification reaction device in the prior art cannot be applied to stage temperature reaction control, the reaction device comprises a reaction barrel and a stirring device, the stirring device comprises a stirring motor, a stirring shaft and stirring blades, the stirring motor is arranged at the top of the reaction barrel, the stirring shaft is connected with the stirring motor, the stirring shaft is connected with the stirring blades, a feeding port is arranged on the reaction barrel, a discharging port is arranged below the reaction barrel, a cooling jacket is arranged outside the reaction barrel, a cooling coil is arranged inside the reaction barrel, the cooling coil is arranged above the stirring blades and distributed around the stirring shaft, and the reaction barrel can be used for various synthetic reactions.

For another example, patent No. CN206652485U discloses a production apparatus for esterification of plasticizer, comprising an apparatus body, an ultrasonic generator disposed inside the apparatus body, and an aeration pipe inserted into the apparatus body; the top end of the equipment body is provided with a feeding valve, the bottom end of the equipment body is provided with a discharging valve, and the outer side of the equipment body is provided with a heat insulation layer; one end of the aeration pipe, which is positioned outside the equipment body, is provided with an air inlet, and the other end of the aeration pipe is provided with an aeration hole; and a heating medium inlet and a heating medium outlet are oppositely arranged outside the heat-insulating layer. The utility model discloses an at inside supersonic generator and the aeration pipe of setting up of esterification reaction device, can effectively improve esterification reaction efficiency, practiced thrift equipment cost simultaneously, and the device simple structure, strong operability.

However, the reaction equipment used at present mainly has an integrated structure, does not have the function of quickly recovering materials after processing, is not beneficial to quickly replacing the materials, does not have the function of sealing and filling the materials, and does not have the function of stabilizing the temperature of the materials during reaction, so that the existing requirements are not met, and the chemical esterification reaction equipment with the automatic material recovery mechanism is provided.

Disclosure of Invention

Problem (A)

The invention aims to provide chemical esterification reaction equipment with an automatic material recycling mechanism, which is used for solving the problems that the existing reaction equipment provided in the background technology is mainly of an integrated structure, does not have the function of rapidly recycling processed materials, is not beneficial to rapidly replacing the materials, does not have the function of sealing and filling the materials, and does not have the function of stabilizing the temperature of the materials during reaction.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a chemical esterification reaction device with an automatic material recovery mechanism comprises a base; the base also comprises a frame and a limiting slide bar; the top of the base is integrally provided with two groups of frames, and the top of each frame is fixedly provided with a reaction cylinder; two groups of limiting sliding strips are fixedly arranged on two sides of the base, and alignment clamping grooves are formed in the front sides of the limiting sliding strips; a vacuum pump is fixedly arranged on one side of the top of the base, and a pipeline is arranged on one side of the base and connected with the vacuum pump; the front side of the top of the base is rotatably provided with a screw rod through a shaft bracket structure; a motor is fixedly arranged at the top of the front side of the base, and the motor is in transmission connection with a bevel gear arranged at the front end of the lead screw; the top of the base is provided with a scissor lift in a sliding manner through a guide rail structure, and the bottom of the scissor lift is in transmission connection with a lead screw; the top of the scissor lift is fixedly provided with a material seat; a material cylinder is fixedly arranged at the top of the material seat; a top plate is fixedly arranged at the top of the reaction cylinder; a filling device is fixedly arranged on one side of the base; a vertical pipe is fixedly arranged at the bottom of the top plate; an electric cylinder is fixedly arranged in the middle of the top plate; the top of the rear side of the base is fixedly provided with a temperature control water sump through a support structure.

Preferably, the material seat further comprises an auxiliary slide piece and a circulating pipe; two groups of auxiliary sliding parts are fixedly arranged at the bottoms of the two sides of the material seat, and the rear sides of the auxiliary sliding parts are respectively provided with an assembly structure which is matched with the front side of the frame to slide; two groups of pipeline joints are integrally arranged at the bottom of the rear side of the material seat, and two groups of circulating pipes are connected and arranged at the bottom of the rear side of the material seat through a threaded structure; and a rubber ring is embedded into the top edge of the material seat.

Preferably, the material cylinder further comprises a connecting ball valve and a threaded sleeve; two groups of connecting ball valves are connected and arranged at the bottom of the rear side of the material barrel through a pipeline, connecting pipes are connected and arranged at the bottoms of the connecting ball valves, and threaded sleeves are arranged on the outer sides of the bottoms of the connecting pipes in a sliding manner; the top of the circulating pipe can be connected with the bottom of the threaded sleeve through threads.

Preferably, the filling device further comprises a dry material channel, a valve plate, a feeding pipe, a valve channel, a sliding block, a round edge valve plate, a liquid material channel, a guide rod, a pulling block, a locking screw rod, a material pushing plate and a hand pushing plate; the top of the inner side of the filling device is provided with a dry material channel, the top of the outer side of the dry material channel is provided with a square hole, and the inner side of the square hole is rotatably provided with a valve plate through hinge connection; a feeding pipe is arranged at the bottom of the inner side of the dry material channel and penetrates through the bottom of the filling device; a valve channel is arranged in the middle of the filling device, and the inner ends of the valve channel respectively penetrate through the feeding pipes; a sliding block is fixedly arranged in the middle of the valve way; the inner end of the valve channel is slidably provided with a round-edge valve plate, the edge of the round-edge valve plate is matched with the top of the inner side of the feeding pipe in shape, and the outer side of the round-edge valve plate is wrapped with a silica gel layer; a liquid material channel is formed in the bottom of the inner side of the filling device, and a ball valve is connected to the bottom of the outer end of the liquid material channel; two groups of guide rods are integrally arranged on one side of the round edge valve plate, penetrate through the sliding block and are in sliding connection with the outer side of the filling device, and are fixedly provided with pull blocks; a locking screw is inserted in the outer side of the top of the pulling block, and the pulling block can be fixedly arranged outside the filling device through the locking screw; and a material pushing plate is arranged inside the dry material channel in a sliding manner, four groups of circular slide rods are fixedly arranged around the outer side of the material pushing plate, and a hand pushing plate is fixedly arranged at the outer end of the material pushing plate penetrating through the filling device.

Preferably, the vertical pipe further comprises a side pipe and a corrugated pipe; a side pipe is integrally arranged on one side of the vertical pipe, penetrates through one side of the reaction cylinder and is in sealing connection with the sealant; the bottom of the vertical pipe is connected with a corrugated pipe.

Preferably, the electric cylinder further comprises a push plate, a slide rod, a lifting pipe and an exhaust device; the top of the electric cylinder is fixedly provided with a push plate, and four sides of the periphery of the push plate are fixedly provided with four groups of slide bars; the bottom end of the sliding rod penetrates through the top plate to be fixedly provided with a square plate structure, the middle of the bottom of the square plate structure is integrally provided with a lifting pipe, and the lifting pipe penetrates through the square plate structure to be communicated with the bottom of the corrugated pipe; and an exhaust device is fixedly arranged at the bottom of the lifting pipe.

Preferably, the exhaust device is arranged in a circular grid structure, and the bottom of the exhaust device is provided with an air outlet; the bottom of the exhaust device can be attached to the bottom of the inner side of the material cylinder.

Preferably, the top and the bottom of the rear side of the temperature control water sump are respectively provided with a pipeline joint in an integrated manner; the circulating pipes are respectively communicated with two pipeline joints at the rear side of the temperature control water bin; and the middle of a group of circulating pipes connected with the bottom of the rear side of the temperature control water sump is connected with a circulating pump.

(III) advantageous effects

The invention provides chemical esterification reaction equipment with an automatic material recovery mechanism, which is provided with a material seat and a material barrel, so that the function of quickly recovering materials is provided for the reaction equipment, the height of the material seat can be controlled by a scissor lift, the position is controlled by a lead screw and a motor, the materials can be automatically conveyed to the front end of a base after the processing is finished, and convenience is provided for recovering the materials; in the reaction process of the reaction equipment, oxygen or other gases are injected again after vacuum pumping is carried out through a vacuum pump, so that the cleanness of the interior of the reaction cylinder can be ensured.

Secondly, filling device's setting provides the function of supplementary material for reaction equipment, and filling device's internal partitioning is dry material passageway and liquid material passageway, can carry the material of different grade type respectively to can fill under the negative pressure state, provide convenience for filling.

Moreover, exhaust apparatus's setting can directly carry out the oxygen supply for the material, makes the surface of oxygen laminating material discharge, and exhaust apparatus can promote through electronic jar simultaneously, can rise according to the thickness of material to esterification reaction carries out with higher speed.

Drawings

FIG. 1 is a schematic perspective side view of an embodiment of the present invention;

FIG. 2 is a schematic perspective rear view structure in an embodiment of the present invention;

FIG. 3 is a schematic bottom view of an embodiment of the present invention;

FIG. 4 is a schematic perspective cross-sectional view of an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional side view of an embodiment of the present invention;

FIG. 6 is a schematic perspective cross-sectional view of a filling device in an embodiment of the present invention;

FIG. 7 is a schematic bottom view of an exhaust apparatus according to an embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a base; 101. a frame; 102. a limiting slide bar; 2. a reaction cylinder; 3. a vacuum pump; 4. a lead screw; 5. a motor; 6. a scissor lift; 7. a material seat; 701. an auxiliary slider; 702. a circulation pipe; 8. a material cylinder; 801. a ball valve; 802. a threaded sleeve; 9. a top plate; 10. a filling device; 1001. a drier channel; 1002. a valve plate; 1003. a feeding pipe; 1004. a valve way; 1005. a slider; 1006. a round edge valve plate; 1007. a liquid material channel; 1008. a guide bar; 1009. pulling the block; 1010. locking the screw rod; 1011. a material pushing plate; 1012. a hand push plate; 11. a vertical tube; 1101. a side tube; 1102. a bellows; 12. an electric cylinder; 1201. pushing the plate; 1202. a slide bar; 1203. a lifting pipe; 1204. an exhaust device; 13. a temperature control water bin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a chemical esterification reaction device with an automatic material recovery mechanism comprises a base 1; the base 1 also comprises a frame 101 and a limiting slide bar 102; the top of the base 1 is integrally provided with two groups of frames 101, and the top of the frames 101 is fixedly provided with a reaction cylinder 2; two groups of limiting sliding strips 102 are fixedly arranged on two sides of the base 1, and alignment clamping grooves are formed in the front sides of the limiting sliding strips 102; a vacuum pump 3 is fixedly arranged on one side of the top of the base 1, and a pipeline is arranged on one side of the base 1 and connected with the vacuum pump 3; the front side of the top of the base 1 is rotatably provided with a screw rod 4 through a shaft bracket structure; a motor 5 is fixedly arranged at the top of the front side of the base 1, and the motor 5 is in transmission connection with a bevel gear arranged at the front end of the lead screw 4; the top of the base 1 is provided with a scissor lift 6 in a sliding manner through a guide rail structure, and the bottom of the scissor lift 6 is in transmission connection with the lead screw 4; a material seat 7 is fixedly arranged at the top of the scissor lift 6; wherein, the material seat 7 also comprises an auxiliary slide 701 and a circulating pipe 702; two sets of auxiliary sliders 701 are fixedly arranged at the bottoms of the two sides of the material seat 7, and the rear sides of the auxiliary sliders 701 are both provided with assembling structures which are matched with the front sides of the frames 101 to slide; two groups of pipeline joints are integrally arranged at the bottom of the rear side of the material seat 7, and two groups of circulating pipes 702 are connected and arranged at the bottom of the rear side of the material seat 7 through a threaded structure; the top edge of the material seat 7 is embedded with a rubber ring; a material cylinder 8 is fixedly arranged at the top of the material seat 7; wherein, the material cylinder 8 also comprises a connecting ball valve 801 and a thread sleeve 802; two groups of connecting ball valves 801 are connected and arranged at the bottom of the rear side of the material barrel 8 through a pipeline, connecting pipes are connected and arranged at the bottoms of the connecting ball valves 801, and threaded sleeves 802 are slidably arranged on the outer sides of the bottoms of the connecting pipes; the top of the circulation tube 702 can be connected to the bottom of the threaded sleeve 802 by threads; the top of the reaction cylinder 2 is fixedly provided with a top plate 9; a filling device 10 is fixedly arranged on one side of the base 1; the filling device 10 further comprises a dry material channel 1001, a valve plate 1002, a feeding pipe 1003, a valve channel 1004, a sliding block 1005, a round edge valve plate 1006, a liquid material channel 1007, a guide rod 1008, a pulling block 1009, a locking screw 1010, a pushing plate 1011 and a pushing plate 1012; a dry material channel 1001 is formed in the top of the inner side of the filling device 10, a square hole is formed in the top of the outer side of the dry material channel 1001, and a valve plate 1002 is rotatably arranged on the inner side of the square hole through hinge connection; a feeding pipe 1003 is arranged at the bottom of the inner side of the dry material channel 1001 and penetrates through the bottom of the filling device 10; a valve channel 1004 is arranged in the middle of the filling device 10, and the inner ends of the valve channel 1004 respectively penetrate through the feeding pipe 1003; a slide block 1005 is fixedly arranged in the middle of the valve way 1004; the inner end of the valve channel 1004 is slidably provided with a round edge valve plate 1006, the edge of the round edge valve plate 1006 is matched with the top of the inner side of the feeding pipe 1003 in shape, and the outer side of the round edge valve plate 1006 is wrapped with a silica gel layer; a liquid material channel 1007 is formed in the bottom of the inner side of the filling device 10, and a ball valve is connected to the bottom of the outer end of the liquid material channel 1007; two groups of guide rods 1008 are integrally arranged on one side of the round edge valve plate 1006, and the guide rods 1008 penetrate through the sliding block 1005 and the outer side of the filling device 10 to be connected in a sliding manner and are fixedly provided with a pulling block 1009; a locking screw 1010 is inserted in the outer side of the top of the pulling block 1009, and the pulling block 1009 can be fixedly arranged outside the filling device 10 through the locking screw 1010; a material pushing plate 1011 is arranged in the dry material channel 1001 in a sliding manner, four groups of circular sliding rods are fixedly arranged on the periphery of the outer side of the material pushing plate 1011, and a hand pushing plate 1012 is fixedly arranged at the outer end of the filling device 10 in a penetrating manner; a vertical pipe 11 is fixedly arranged at the bottom of the top plate 9; the vertical pipe 11 further includes a side pipe 1101 and a corrugated pipe 1102; a side pipe 1101 is integrally arranged on one side of the vertical pipe 11, and the side pipe 1101 penetrates through one side of the reaction cylinder 2 and is in sealing connection with a sealant; the bottom of the vertical pipe 11 is connected with a corrugated pipe 1102; an electric cylinder 12 is fixedly arranged in the middle of the top plate 9; the electric cylinder 12 further comprises a push plate 1201, a slide rod 1202, an elevating tube 1203 and an exhaust device 1204; a push plate 1201 is fixedly arranged at the top of the electric cylinder 12, and four sides of the periphery of the push plate 1201 are fixedly provided with four groups of slide bars 1202; the bottom end of the sliding rod 1202 is fixedly provided with a square plate structure through the top plate 9, the middle of the bottom of the square plate structure is integrally provided with a lifting pipe 1203, and the lifting pipe 1203 penetrates through the square plate structure to be communicated with the bottom of the corrugated pipe 1102; an exhaust device 1204 is fixedly arranged at the bottom of the lifting pipe 1203; the top of the rear side of the base 1 is fixedly provided with a temperature control water sump 13 through a support structure.

Wherein, the exhaust device 1204 is arranged in a circular grid structure, and the bottom of the exhaust device 1204 is provided with an air outlet; the bottom of the exhaust 1204 can fit the bottom of the inner side of the material cylinder 8.

Wherein, the top and the bottom of the rear side of the temperature control water sump 13 are respectively provided with a pipeline joint in an integrated manner; the circulating pipes 702 are respectively communicated with two pipe joints at the rear side of the temperature control water bin 13; the middle of a group of circulating pipes 702 connected with the bottom of the rear side of the temperature control water sump 13 is connected with a circulating pump.

The working principle is as follows: when the device is used, the material seat 7 is positioned at the front end of the base 1, after materials are filled in the material seat 7, the starting motor 5 drives the screw rod 4 to rotate, the shear fork lifter 6 moves backwards by utilizing the screw rod 4, when the auxiliary slide piece 701 is attached to the limiting slide bar 102, the shear fork lifter 6 is started to lift the material seat 7, and the material seat 7 is propped against the bottom of the reaction cylinder 2 to complete fixed sealing; starting a vacuum pump 3 to exhaust air in the reaction cylinder 2, and pumping the reaction cylinder 2 into auxiliary vacuum; filling oxygen or inert gas which does not participate in esterification into a connecting pipeline of a side pipe 1101, wherein the filled gas enters an exhaust device 1204 through a corrugated pipe 1102 and is discharged into the material from the bottom of the exhaust device 1204 for esterification; according to the quantity of the materials, the electric cylinder 12 can be started to adjust the height of the air exhaust device 1204, so that the bottom of the air exhaust device 1204 is attached to the upper surface of the materials to be oxygenated, and the reaction cylinder 2 is filled.

When the materials need to be filled, the valve plate 1002 is opened to fill the materials in the dry material channel 1001, then the valve plate 1002 is closed to draw out the round edge valve plate 1006, the material pushing plate 1011 and the hand pushing plate 1012 are pushed to discharge the dry materials into the material barrel 8 through the material feeding pipe 1003; the liquid channel 1007 is connected with liquid, and the liquid can be sucked into the material cylinder 8 for filling in a negative pressure pumping mode; in the esterification process, water in the temperature control water bin 13 continuously flows through the inner wall of the material barrel 8 to keep the temperature of the material barrel 8, so that the internal temperature of the material barrel 8 is prevented from being overhigh.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.