CN113019288B

CN113019288B - Device and method for optimizing production of silane coupling agent

Info

Publication number: CN113019288B
Application number: CN202110257002.9A
Authority: CN
Inventors: 吕海峰; 刘美静; 刘江平; 于洪水; 王华召
Original assignee: Weihai Hexie Silicon Industry Co ltd
Current assignee: Weihai Hexie Silicon Industry Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-05-20
Anticipated expiration: 2041-03-09
Also published as: CN113019288A

Abstract

The invention discloses a silane coupling agent production optimization device and a method, wherein the device comprises a stirring synthesis chamber, a feed hopper, a first motor, a cooling standing chamber, a filter chamber, an alkaline solution tank and a blower; a mixing stirring shaft and a suspension nozzle are arranged in the stirring synthesis chamber, and a burette communicated with the stirring synthesis chamber is rotationally connected with the mixing stirring shaft; the feed hopper is internally provided with an extrusion roller for grinding raw materials, the standing cooling chamber is internally provided with a guide pipe and a semipermeable membrane for separating a water layer and an organic layer, the filter chamber is used for filtering, and filtrate is sent to the purification device for distillation and purification. The method comprises the following steps: preparing raw materials, feeding, carrying out synthetic reaction, standing for separation, filtering and purifying. The invention adds the raw materials and stirs and mixes at the same time, has effectively raised the production efficiency; and the raw material adding mode is optimized, so that the mixing and contact of the raw materials are more sufficient and effective, the synthesis rate of the silane coupling agent is improved, the higher product yield is realized, and the better economic benefit is obtained.

Description

Device and method for optimizing production of silane coupling agent

Technical Field

The invention relates to a production device and a production method, in particular to a device and a method for optimizing production of a silane coupling agent.

Background

The silane coupling agent is a chemical product with wide industrial application, is applied to the aspects of coatings, rubber, textiles, glass fibers, ceramics, electronics, medical materials, buildings and the like, and is called industrial monosodium glutamate. For example, the most widely used Si-69 silane coupling agent is now known under the chemical name bis- [ γ - (triethoxysilyl) propyl ] tetrasulfide, which is a commonly used silane coupling agent in the rubber industry, and is synthesized by the following steps: reacting gamma-chloropropyltriethoxysilane (trade name is gamma 2) with disodium tetrasulfide to obtain a silane coupling agent Si69, wherein the disodium tetrasulfide is produced by reacting alkali liquor (NaOH) with sulfur. However, in the existing silane coupling agent production device, when synthesizing the silane coupling agent, only raw materials are stirred by adopting a simple stirring structure, so that the synthesis reaction is carried out, the raw materials are difficult to be fully mixed, the raw materials are difficult to be uniformly contacted, the utilization rate of the raw materials is low to a certain extent, the synthesis amount of the silane coupling agent is correspondingly reduced, the high-yield optimized production is difficult to be realized, and the production benefit is reduced; meanwhile, the regulation and control of the raw material feeding mode are lacked, so that the raw material mixing is difficult to realize quickly, and the production efficiency of the silane coupling agent is reduced; in addition, during standing separation, the separation of water and an organic layer is insufficient, so that the subsequent filtration and distillation purification difficulty is increased, the product purity of the silane coupling agent is influenced, and the efficient and high-quality production of the silane coupling agent is influenced.

Disclosure of Invention

In order to solve the defects of the technology, the invention provides a device and a method for optimizing the production of a silane coupling agent.

In order to solve the technical problems, the invention adopts the technical scheme that: a device for optimizing production of a silane coupling agent comprises a stirring synthesis chamber, a feed hopper, a first motor, a cooling standing chamber, a filter chamber, an alkaline solution tank and a blower;

the feeding hopper is arranged above the stirring synthesis chamber and communicated with the stirring synthesis chamber, two groups of extrusion rollers are arranged in the feeding hopper, namely a first extrusion roller and a second extrusion roller, the first extrusion roller and the second extrusion roller are provided with meshed extrusion teeth, the first extrusion roller is driven by a second motor, and the second extrusion roller is fixedly arranged in the feeding hopper;

a screening mechanism is separated between the feed hopper and the stirring synthesis chamber, is arranged in the feed hopper and is positioned below the first extrusion roller and the second extrusion roller; a first gear is fixedly arranged on a roll shaft of the first extrusion roll, the first gear is connected with a second gear through a transmission chain, the second gear is rotatably arranged on the fixed rod, the second gear is hinged with a rotating block through a connecting rod, the rotating block is fixedly connected with a swinging arm, the swinging arm is connected with the screening mechanism, and the swinging arm drives the screening mechanism to swing up and down;

the stirring synthesis chamber is provided with a water inlet, an alkali liquor inlet pipe, a burette and an exhaust pipe which are respectively communicated with the stirring synthesis chamber, and the stirring synthesis chamber is internally provided with a mixing stirring shaft and an air flotation pipe; a motor shaft of the first motor penetrates through the stirring synthesis chamber and is fixedly connected with a mixing stirring shaft which is transversely arranged, the other end of the mixing stirring shaft is rotationally connected with a burette and is communicated with the burette, a flow controller is arranged on the burette, mixing stirring blades which are spirally distributed and titration nozzles which are distributed in parallel are arranged on the mixing stirring shaft, and the titration nozzles are communicated with the mixing stirring shaft;

the air flotation pipe is positioned at the bottom of the stirring synthesis chamber and is provided with a plurality of groups of suspension nozzles; the air floating pipe is communicated with an alkali liquor inlet pipe, the alkali liquor inlet pipe is respectively communicated with an air pipe and a liquid pipe through a three-way joint, the air pipe is provided with an electric control proportional pressure regulating valve and communicated with an air blower, and the liquid pipe is provided with a first metering pump and communicated with an alkali liquor tank;

the mixed synthesis chamber is communicated with the cooling standing chamber through a first liquid discharge pipe, a first water pump is installed on the first liquid discharge pipe, a permeable membrane and a zigzag flow guide pipe are arranged in the cooling standing chamber, the flow guide pipe is communicated with the first liquid discharge pipe, the permeable membrane is positioned below an outlet of the flow guide pipe, and the bottom of the cooling standing chamber is communicated with a layered water discharge port; the cooling standing chamber is communicated with the filtering chamber through a second liquid discharge pipe, and a second water pump is arranged on the second liquid discharge pipe; the filter chamber is provided with a filtrate discharge port which is connected with a downstream distillation purification device through a pipeline.

Furthermore, a dust absorption fan is arranged on one side of the feed hopper, and a suction head of the dust absorption fan is positioned above the screening mechanism;

the screening mechanism consists of a screening net body and a screening fixed frame fixedly enclosed around the screening net body, wherein one end of the screening fixed frame is fixedly connected with the swing arm, the other end of the screening fixed frame forms a semicircular limiting convex shaft, a rotating shaft penetrates through the limiting convex shaft, and two ends of the rotating shaft are fixed on the wall of the feeding hopper;

the wall of the feed hopper is provided with a limit groove matched with the limit convex shaft, and a buffer spring is connected between the screening fixing frame and the limit groove.

Furthermore, the stirring synthesis chamber is provided with double walls, a heating cavity is formed between the double walls, an electric heater is arranged in the heating cavity, and a heat insulation layer is coated outside the stirring synthesis chamber.

Furthermore, the mixing and stirring blades are provided with water permeable holes which are arranged in a straight line shape; the titration nozzle comprises a cylinder body communicated with the mixing stirring shaft, the cylinder body is fixed on the mixing stirring shaft, and a plurality of titration holes are formed in the wall of the cylinder body; the joint of the cylinder and the mixing stirring shaft is also provided with a valve.

Furthermore, the suspension nozzle is communicated with the air flotation pipe through a suspension hose, and an oscillation spring is sleeved outside the suspension hose;

the end part of the mixing stirring shaft is provided with an outer sleeve joint, the end part of the burette is provided with an inner rotating body, and a rotating groove matched with the inner rotating body is arranged in the outer sleeve joint.

Furthermore, the lower half part of the cooling standing chamber is provided with a double-layer wall and forms a cooling cavity, a cooling sleeve is sleeved outside the flow guide pipe, the cooling sleeve is communicated with the cooling cavity through a water pipe, the cooling clamping cavity is communicated with a cooling water discharge port, the cooling water discharge port is communicated with a condenser through a pipeline, and the condenser is communicated with a water tank.

Furthermore, a second motor is arranged outside the filtering chamber, the second motor is connected with a third motor shaft through a shaft coupler, and a first bevel gear is fixedly arranged at the front end of the third motor shaft; a rotary tube body shaft is longitudinally arranged in the filtering chamber, penetrates through the filtering chamber from the top end and is connected with a rotary joint, and a second conical gear meshed with the first conical gear is fixedly arranged on a shaft body of the rotary tube body shaft, which is positioned outside the filtering chamber;

the bottom of rotatory body axle links firmly solid filtration (mixing) shaft, filter and install soft stirring leaf on the (mixing) shaft, the filter chamber intercommunication has the negative pressure pump, still be provided with the filter layer in the filter chamber, the active carbon adsorption stone is placed in the inner chamber bottom of filter chamber, the filter layer be wavy and with filter chamber fixed connection, the central point of filter layer puts the department and has set firmly the retainer plate, the sliding ring groove has been seted up along the inner wall to the retainer plate, form on the rotatory body axle with sliding ring groove assorted protruding circle.

Furthermore, a cleaning spray head communicated with the rotating pipe body shaft is arranged on the rotating pipe body shaft, the filtering chamber is communicated with a slag discharge port and a cleaning water discharge port, the cleaning water discharge port is positioned at the bottom of one side of the filtering chamber, and the slag discharge port is flush with the filtering layer; a filter residue isolating net is arranged at the filtrate discharge port.

Furthermore, the device for optimizing the production of the silane coupling agent also comprises a water tank, wherein a suspension ball is placed in the water tank; the water tank is communicated with a water inlet of the stirring and synthesizing chamber through a first water supply pipe, a second metering pump is arranged between the first water supply pipe and the water inlet, the first water supply pipe is also communicated with a water return pipe, the water return pipe is communicated with a condenser, and the condenser is communicated with an exhaust hole of the stirring and synthesizing chamber; the water tank is communicated with a cooling sleeve of the cooling standing chamber through a second water supply pipe, and the water tank is communicated with the rotary joint through a third water supply pipe.

A method for optimizing production of a silane coupling agent comprises the following steps:

step one, raw material preparation: the prepared raw materials comprise water, sodium hydroxide solution, sulfur and gamma 2, wherein the sodium hydroxide solution is contained in an alkaline solution tank, and the water is provided by the water tank;

step two, feeding: the water adding amount is controlled by a second metering pump, and water is introduced into the stirring and synthesizing chamber through a water inlet;

the adding amount of the sodium hydroxide solution is controlled by a first metering pump, meanwhile, a blower supplies gas, the gas is introduced into a gas pipe according to the production requirement by an electric control proportional pressure regulating valve in proportion, the gas in the gas pipe and the sodium hydroxide solution sent by a liquid pipe collide and mix at a three-way joint, and quickly flow into an air flotation pipe through an alkali liquor introduction pipe, so that a gas-liquid mixture is ejected by oscillation from a suspension nozzle, the sodium hydroxide solution is quickly and uniformly ejected into water under the drive of the gas, and an air flotation mixing effect is formed in the adding process of the sodium hydroxide solution; after the sodium hydroxide solution is added, closing the first metering pump;

starting a first motor and a second motor while adding the sodium hydroxide solution, heating and stirring the synthesis chamber to 80 ℃ at normal pressure, driving a mixing stirring shaft to rotate by the first motor through a motor shaft, and driving mixing stirring blades to mix and stir by the mixing stirring shaft; the second motor drives the first extrusion roller to work, the first extrusion roller rotates, the second extrusion roller keeps still, sulfur is ground into powder through the extrusion teeth of the first extrusion roller and the second extrusion roller, the powder sulfur falls onto the screening mechanism, the powder sulfur meeting the particle size requirement falls into the stirring synthesis chamber through the screening mechanism, the sulfur not meeting the particle size requirement is intercepted on the screening mechanism and is sucked and recovered by the dust absorption fan, and the sulfur can be put into the first extrusion roller and the second extrusion roller again;

in the process of rotating the first extrusion roller, the first gear rotates along with a roller shaft of the first extrusion roller, the first gear drives the second gear to rotate through a transmission chain, the swing arm is driven by the rotating block to move up and down, the swing arm drives the screening mechanism to swing up and down, and the screening mechanism swings up and down to enable the powdered sulfur to rapidly drop;

after the addition of the sulfur is finished, covering the top opening of the feed hopper, opening the flow controller, dropwise adding gamma 2 through a burette, wherein the gamma 2 enters the mixing stirring shaft through the burette and is further ejected through a titration nozzle; the titration nozzle rotates along with the mixing stirring shaft, so that gamma 2 is ejected out in an annular shape, and after the gamma 2 is added, the flow controller and a valve at the titration nozzle are closed;

at the moment, the mixing stirring shaft drives the mixing stirring blades to continuously stir the mixed raw materials, the blower continues to introduce gas to realize air floatation mixing of the mixed raw materials, and the temperature is kept at 80 +/-5 ℃ to synthesize the silane coupling agent; a large amount of water vapor is generated in the reaction process, is discharged from the exhaust hole, is condensed and then flows into a second metering pump through a water return pipe to be sent into the stirring synthesis chamber again;

step three, standing and layering: after the synthesis of the silane coupling agent is completed, a first water pump is started, the silane coupling agent flows into the flow guide pipe through a first liquid discharge pipe, and primary cooling is performed when the silane coupling agent flows through the flow guide pipe; after the silane coupling agent flows out of the flow guide pipe, secondary cooling is carried out on the lower half part of the cooling and standing chamber; meanwhile, under the action of the permeable membrane, water permeates to the lower part of the permeable membrane, the organic layer is retained above the permeable membrane, after the separation of the water layer and the organic layer is finished, the water layer is discharged from a layered water discharge port to a salting-out sedimentation tank outside a workshop for natural cooling salting-out, and the organic layer is extracted to enter a filtering chamber;

step four, filtering: the organic layer is discharged into a filtering chamber, the filtering area of the wavy filtering layer is increased after the organic layer is filtered by the filtering layer, negative pressure suction filtration is carried out by a negative pressure pump to quickly finish filtering treatment, then color removal treatment is carried out by activated carbon adsorption stone, stirring is carried out during the color removal treatment to improve the treatment effect, and a target product is positioned in the filtered liquid;

step five, distillation: and transferring the filtered liquid into a finishing and purifying device through a filtrate discharge port, carrying out negative pressure distillation, carrying out fractionation to obtain a silane coupling agent product, and recovering the rest of condensate for the next batch of production.

The invention discloses a device for optimizing production of a silane coupling agent, which has the following beneficial effects:

1) when the sulfur raw material is added, the second motor is used as a power mechanism, and the first extrusion roller and the screening mechanism are driven to work simultaneously, so that the first extrusion roller and the screening mechanism work synchronously, and the control is more convenient; moreover, two components are driven to work by one motive mechanism, so that the energy consumption is lower;

2) the feeding mode is obviously optimized, wherein water is quantitatively added through a second metering pump; the sodium hydroxide solution is added in a gas-liquid mixing mode, the entry speed can be increased, the sodium hydroxide solution is introduced into the stirring synthesis box in an air floating mode, the sodium hydroxide solution dispersed into a fog-drop shape is easy to be fully and uniformly mixed and contacted with other raw materials in the stirring synthesis box, and the gas which can be brought in is beneficial to improving the stirring and mixing effect; meanwhile, the suspension nozzle is connected with the air floating pipe through a hose, the hose can continuously shake under the impact of gas, and the suspension nozzle realizes suspension oscillation feeding by matching with an oscillation spring sleeved outside the hose;

the sulfur is directly rolled into powder by the extrusion roller and is controlled by the screening mechanism, the powdered sulfur is more beneficial to the synthetic reaction of the silane coupling agent, and the screening mechanism swings up and down within a certain range and is more beneficial to the dispersion and the rapid falling of the powdered raw material in the shaking process;

the dropping mode of gamma 2 is different from the traditional mode, the dropping of gamma 2 is realized by a titration nozzle rotating along with a mixing stirring shaft, and the gamma 2 sprayed out in a rotating mode can be directly mixed into other raw materials in a stirring synthesis chamber in all aspects, so that the raw materials can be mixed more favorably;

the adding efficiency of the raw materials is higher, the raw materials are mixed more fully, the mutual contact of the raw materials is facilitated, the synthesis rate of the silane coupling agent is improved, and the yield and the production benefit are improved.

3) Compared with the traditional raw material stirring and mixing mode, the stirring structure and the air floatation mode are combined to realize the stirring and mixing of the raw materials; in addition, the stirring blades of the mixing stirring shaft are spirally distributed, so that not only can the stirring and mixing effects be realized, but also the discharge of the compound can be accelerated after the synthesis reaction is finished; the suspension nozzle part can not only provide suspension mixed gas, but also realize the addition of sodium hydroxide raw material; therefore, mixing and stirring are carried out when the raw materials are added, and the production efficiency is effectively improved.

4) The cooling standing chamber is internally provided with a zigzag flow guide pipe, so that the flow is increased, the cooling is facilitated, and cooling water is introduced into a cooling sleeve sleeved outside the baffling pipe to realize primary cooling; meanwhile, the cooling standing chamber is provided with a cooling clamping cavity to realize secondary cooling; in addition, a water permeable membrane is provided to allow the passage of water, allowing better separation of the aqueous layer from the organic layer;

5) the filtering mechanism adopts negative pressure filtration and is matched with a wavy filtering layer, so that the filtering efficiency is effectively improved; moreover, the filtering mechanism has a self-cleaning function, so that the filtering layer can be prevented from being blocked, and the filtering effect is fully ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the feed hopper of fig. 1.

Fig. 3 is a schematic view of the connection relationship between the transmission shaft and the first squeeze roll in fig. 1.

Fig. 4 is a schematic view of the connection relationship between the first pressing roll and the screening mechanism in fig. 1.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 2.

FIG. 6 is a schematic diagram of the structure of the stirred synthesis chamber of FIG. 1.

Fig. 7 is a schematic structural diagram of the titration nozzle head in fig. 6.

Fig. 8 is a schematic structural view of the suspension spray head in fig. 6.

FIG. 9 is a schematic view showing the connection between the burette and the mixing stirring shaft in FIG. 6.

Fig. 10 is a schematic structural view of the cooling and standing chamber in fig. 1.

Figure 11 is a schematic view of the filter chamber of figure 1.

Fig. 12 is an enlarged view of the structure at B in fig. 11.

In the figure: 1. a feed hopper; 101. a first squeeze roll; 102. a second squeeze roll; 103. a dust collection fan; 104. a swing arm; 105. a screening mechanism; 1051. screening the net body; 1052. screening a fixed frame; 106. a second motor; 107. a first gear; 108. a drive chain; 109. a second gear; 110. rotating the block; 111. a limit convex shaft; 112. a rotating shaft; 113. a limiting groove; 114. a buffer spring; 115. fixing the rod;

2. a first motor; 3. a stirring synthesis chamber; 301. a heating cavity; 302. an electric heater; 303. a heat-insulating layer; 304. a flow controller; 305. a burette; 306. mixing and stirring the leaves; 307. a titration nozzle; 3071. a barrel; 3072. a titration well; 308. mixing and stirring the leaves; 309. an air flotation pipe; 310. a suspension nozzle; 311. an exhaust hole; 312. a second metering pump; 313. a water inlet; 314. a suspension hose; 315. an oscillating spring; 316. introducing alkali liquor into the tube; 317. an outer sleeve joint; 318. an internal rotation body; 319. a water return pipe; 320. a valve;

4. cooling and standing the mixture in a room; 41. cooling the nip chamber; 42. a cooling water discharge port; 43. a flow guide pipe; 44. cooling the sleeve; 45. a water pipe; 46. a stratified water discharge port; 47. a water permeable membrane;

5. a filtering chamber; 501. a negative pressure pump; 502. a third motor; 503. a third motor shaft; 504. a first conical gear; 505. a rotary joint; 506. a second bevel gear; 507. rotating the tubular body shaft; 508. a filter layer; 509. a filtering stirring shaft; 510. soft stirring blades; 511. a washing water discharge port; 512. activated carbon adsorption stone; 513. a slag separation net; 514. a filtrate discharge port; 515. a slag discharge port; 516. a stationary ring; 517. a sliding ring groove; 518. a convex ring; 519. and cleaning the spray head.

6. A water tank; 61. suspending the ball; 7. an alkaline liquid tank; 8. a first metering pump; 9. a blower; 10. a three-way joint; 11. a first water drainage pipe; 12. a water pump I; 13. a second water drainage pipe; 14. a second water pump; 15. a water supply pipe; 16. a second water supply pipe; 17. a third water supply pipe; 18. an electric control proportional pressure regulating valve; 19. an air tube; 20. a liquid pipe.

Detailed Description

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

A device for optimizing production of silane coupling agent is shown in figure 1, and comprises a stirring synthesis chamber 3, a feed hopper 1, a first motor 2, a cooling standing chamber 4, a filter chamber 5, an alkaline liquid tank 7 and a blower 9;

wherein, the stirring synthesis chamber 3 is a main place for mixing and stirring raw materials and carrying out synthetic reaction of a silane coupling agent; the feed hopper 1 is used for adding solid raw materials required by the synthetic reaction of the silane coupling agent, and in order to facilitate the solid materials to enter the stirring synthesis chamber 3, the feed hopper 1 is arranged above the stirring synthesis chamber 3 and communicated with the stirring synthesis chamber 3; an extrusion roller is arranged in the feed hopper to grind the solid raw material into powder, and the powder raw material is easier to contact with the components and is beneficial to the synthesis reaction of the silane coupling agent.

The concrete setting of feeder hopper 1 is as shown in fig. 2, install two sets of squeeze rolls in the feeder hopper 1, be a squeeze roll 101 respectively, No. two squeeze rolls 102, be provided with the extrusion tooth of meshing mutually on a squeeze roll 101 and No. two squeeze rolls 102, and simultaneously, a squeeze roll 101 is driven by No. two motors 106, drive a squeeze roll 101 by No. two motors 106 and rotate, No. two squeeze rolls 102 fixed mounting is in feeder hopper 1, thereby, a squeeze roll 101 rotates, No. two squeeze rolls 102 remain motionless, through the extrusion of mutually supporting of extrusion tooth, realize the extrusion grinding of solid starting material.

When the first extrusion roller 101 rotates, the extrusion teeth on the first extrusion roller are meshed with the extrusion teeth on the second extrusion roller 102 for extrusion and extrusion, so that the solid raw materials are effectively extruded and ground; ground solid raw materials then drop to screening mechanism 105 on, as shown in fig. 1 and fig. 2, it has screening mechanism 105 still to separate between stirring synthesis chamber 3 and feeder hopper 1, screening mechanism 105 installs in feeder hopper 1 and is located the below of a squeeze roll 101 and No. two squeeze rolls 102, and the likepowder solid raw materials after the squeeze roll processing can drop to screening mechanism 105 on, screen mechanism 105 screens, just can see through screening mechanism 105 and enter into stirring synthesis chamber 3 when meeting the particle diameter requirement. As shown in fig. 5, the screen mechanism 105 is composed of a screen body 1051 and a screen fixing frame 1052 fixedly enclosed around the screen body 1051, the screen body 1051 can be a fine metal filter layer, and the screen fixing frame 1052 is used for installing the screen mechanism 105.

In order to increase the falling speed of the powder material on the screening mechanism 105 and to make the powder material properly oscillate and spread, the screening mechanism 105 has the function of up-and-down swinging, and the specific structure is as follows: as shown in fig. 3 and 4, a first gear 107 is fixedly arranged on a roller shaft of the first extrusion roller 101, the first gear 107 is connected with a second gear 109 through a transmission chain 108, the second gear 109 is rotatably arranged on a fixed rod 115, and the fixed rod 115 is fixedly arranged on the feeding hopper 1; the second gear 109 is hinged with a rotating block 110 through a connecting rod, the rotating block 110 is fixedly connected with a swinging arm 104, the swinging arm 104 is connected with the screening mechanism 105, and the swinging arm 104 drives the screening mechanism 105 to swing up and down; therefore, when the first squeezing roller 101 rotates, the first gear 107 rotates along with the roller shaft of the first squeezing roller 101, the first gear 107 drives the second gear 109 to rotate through the transmission communication 108, the second gear 109 drives the rotating block 110 to move, the swinging arm 104 is driven by the rotating block 110 to move up and down, and the swinging arm 104 drives the screening mechanism 105 to swing up and down.

In order to improve the balance of the swinging arm driving the screening mechanism to swing up and down. Two groups of swing arms and two groups of rotating block structures can be symmetrically arranged, and two groups of swing arms simultaneously drive the screening mechanism 105 to move; as shown in fig. 4, both sets of swing arms may be connected to the screen fixing frame 1052 of the screen mechanism 105.

The screening mechanism 105 is connected to the swing arm 104 at one end, and moves up and down along with the swing arm, and the other end needs to be able to rotate, so as to realize that the screening mechanism 105 swings up and down within a certain range; as shown in fig. 5, the screening fixing frame 1052 of the screening mechanism 105 forms a semicircular limiting protruding shaft 111 at the other end, a rotating shaft 112 penetrates through the limiting protruding shaft 111, and both ends of the rotating shaft 112 are fixed on the wall of the feeding hopper 1; thus, the screening mechanism 105 can rotate along the rotation shaft 112; in addition, the screening mechanism 105 does not need to swing to an excessive extent, so that a limit groove 113 matched with the limit protruding shaft 111 is formed in the wall of the feed hopper 1, and a buffer spring 114 is connected between the screening fixing frame 1052 and the limit groove 113, so that the swing angle of the screening mechanism 105 does not exceed the limit of the limit groove 113, and the powdered raw material is prevented from obliquely falling on one end due to the fact that the swing extent of the screening mechanism is too large; buffer spring 114's setting, the cell wall of avoiding the spacing groove on the one hand causes the loss to screening mechanism, and on the other hand plays buffering absorbing effect.

In addition, a dust suction fan 103 is arranged on one side of the feed hopper 1, and a suction head of the dust suction fan 103 is positioned above the screening mechanism 105; therefore, the solid raw materials (i.e., raw materials with unsatisfactory particle size) trapped on the screening mechanism 105 are sucked by the dust suction fan 103, collected and reused as synthetic raw materials of the silane coupling agent, and the raw materials are recycled.

The structure at the feed hopper 1 realizes the addition of solid raw materials for producing the silane coupling agent, meanwhile, the stirring synthesis chamber 3 is also communicated with an alkaline solution tank 7 and an air blower 9, the alkaline solution tank 7 is used for containing alkaline solution (usually sodium hydroxide) required by the synthesis of the silane coupling agent, and the air blower 9 is used for introducing gas, so that the alkaline solution is introduced into the stirring synthesis chamber 3 in a gas-liquid mixing manner;

the method specifically comprises the following steps: firstly, as shown in fig. 1 and 6, an alkali liquor inlet pipe 316 is arranged on the stirring synthesis chamber 3, the part of the alkali liquor inlet pipe 316 extending to the outside of the stirring synthesis chamber 3 is respectively communicated with an air pipe 19 and a liquid pipe 20 through a three-way joint 10, wherein the air pipe 19 is provided with an electric control proportional pressure regulating valve 18, the air pipe 19 is communicated with a blower 9, and the liquid pipe 20 is provided with a first metering pump 8 and communicated with an alkali liquor tank 7; therefore, the addition amount of the sodium hydroxide solution is controlled by the first metering pump 8, meanwhile, the blower 9 supplies gas, the gas is proportionally introduced into the gas pipe 19 by the electrically controlled proportional pressure regulating valve 18 according to production requirements, the gas in the gas pipe 19 is collided and mixed with the sodium hydroxide solution sent from the liquid pipe 20 at the position of the three-way joint, and the sodium hydroxide solution rapidly flows into the stirring synthesis chamber 3 through the alkali liquor introduction pipe 316.

As shown in fig. 6, an air flotation pipe 309 is communicated with an alkali liquor inlet pipe 316 in the stirring synthesis chamber 3, the air flotation pipe 309 is positioned at the bottom of the stirring synthesis chamber 3, a plurality of groups of suspension nozzles 310 are arranged on the air flotation pipe 309, so that the sodium hydroxide solution is sprayed from the suspension nozzles 310 and is sprayed in a gas-liquid mixture form to form an air flotation effect, the sodium hydroxide solution dispersed into a fog-drop shape is easier to be fully and uniformly mixed and contacted with other raw materials in the stirring synthesis chamber 3, and the introduced gas is helpful for improving the stirring and mixing effect; meanwhile, as shown in fig. 8, the suspension nozzle 310 is connected to the air floating pipe by using a suspension hose 314, the suspension hose 314 is a flexible water pipe, and the suspension hose 314 can continuously rock under the impact of gas, and is matched with an oscillating spring 315 sleeved outside the suspension hose 314, so that the suspension nozzle 310 realizes suspension oscillation feeding, and smooth and efficient injection of the sodium hydroxide solution is facilitated.

As shown in fig. 6, the stirring and synthesizing chamber 3 is further provided with a water inlet 313 and an air outlet 311 which are communicated with each other, the air outlet 311 is used for discharging water vapor generated during the synthesis reaction, the air outlet 311 is communicated with a condenser, and the condenser is communicated with the water inlet 313 through a water return pipe 319, so that the water vapor is condensed by the condenser, and then returned to the stirring and synthesizing chamber for the synthesis reaction of the silane coupling agent again. The water inlet 313 is communicated with the water tank 6 through a first water supply pipe 15, a floating ball 61 is placed in the water tank 6, and the floating ball 61 is used for purifying water in the water tank 61. The water tank 6 provides water required for the synthetic reaction of the silane coupling agent, a second metering pump 312 is arranged between the first water supply pipe 15 and the water inlet 313, and the addition amount of the water is controlled by the second metering pump 312.

As also shown in fig. 6, a mixing stirring shaft 308 is transversely arranged in the stirring and synthesizing chamber 3, and a motor shaft of the first motor 201 penetrates through the stirring and synthesizing chamber 3 and is fixedly connected with the mixing stirring shaft 308, so that the first motor 2 drives the mixing stirring shaft 308 to work; the mixing stirring shaft 308 is provided with mixing stirring blades 306 which are distributed spirally, the mixing stirring blades 306 are provided with water permeable holes which are arranged in a straight line shape, and the arrangement of the water permeable holes ensures that the stirring process of the mixing stirring blades 306 is not blocked; and the blades distributed in a spiral shape can also quickly push out the synthetic liquid in the stirring synthesis chamber after the synthesis reaction is finished, so that the synthetic liquid is accelerated to be discharged into the cooling and standing chamber 4.

The mixing stirring shaft 308 is connected at one end to a motor shaft of the first motor 2, and at the other end to the burette 305 in a rotating manner, and is communicated with the burette 305, the burette 305 is used for the titration addition of gamma-chloropropyltriethoxysilane (trade name: gamma 2) required for the synthesis of a silane coupling agent, a flow controller 304 is provided on a pipe body of the burette 305 exposed outside the stirring synthesis chamber 3, and the addition amount of gamma 2 is controlled by the flow controller 304.

The burette 305 is fixed on the stirring synthesis chamber 4, the mixing stirring shaft 308 is rotationally connected with the burette 305, on one hand, the rotation of the mixing stirring shaft 308 is ensured, and on the other hand, the stable balance of the rotation of the mixing stirring shaft 308 can be improved. In a specific rotary connection structure, as shown in fig. 9, an outer sleeve joint 317 is arranged at the end of the mixing stirring shaft 308, an inner rotating body 318 is arranged at the end of the burette 305, and a rotary groove matched with the inner rotating body 318 is formed in the outer sleeve joint 317.

Meanwhile, γ 2 introduced into the burette 305 further flows into the hollow mixing stirring shaft 308, and in order to realize that γ 2 is dripped into the stirring synthesis chamber 3, as shown in fig. 6, the mixing stirring shaft 308 is further provided with a plurality of groups of titration nozzles 307 distributed in parallel, the titration nozzles 307 are communicated with the mixing stirring shaft 308, as shown in fig. 7, the titration nozzles 307 comprise a cylinder body 3071 communicated with the mixing stirring shaft 308, the cylinder body 3071 is fixed on the mixing stirring shaft 308, and the cylinder wall of the cylinder body 3071 is provided with a plurality of titration holes 3072, so that γ 2 flows out from the titration holes 3072. In addition, when γ 2 is added dropwise, the mixing stirring shaft 308 is continuously rotated, and the titration nozzle 307 rotates along with the mixing stirring shaft 308, so that γ 2 is mixed into the gas raw material by a rotary jet method, and contact mixing in all directions from top to bottom is realized. In addition, after the γ 2 is added, in order to prevent the liquid in the stirring and synthesizing chamber 3 from flowing backward, as shown in fig. 6, a valve 320 is further installed at a position where the cylinder 3071 and the mixing and stirring shaft 308 are connected, and the valve 302 is closed after the γ 2 is added, so that the backward flow can be prevented.

Further, in carrying out the synthesis reaction of the silane coupling agent, the reaction temperature is 80 ℃, and thus, the specific setting of the heating structure is: as shown in fig. 6, the stirring and synthesizing chamber 3 has double walls, a heating chamber 301 is formed between the double walls, and an electric heater 302 is arranged in the heating chamber 301; moreover, the stirring synthesis chamber 3 is externally coated with a heat-insulating layer 303, and the heat-insulating layer 303 can reduce heat loss.

Therefore, the mixing stirring shaft 308 arranged in the stirring synthesis chamber 3 not only realizes the mixing and stirring of the raw materials, but also can accelerate the discharge of the synthetic liquid into the cooling standing chamber after the synthesis reaction is finished; in addition, gamma 2 is dripped while the mixing and stirring shaft 308 is used for mixing and stirring, raw materials are added while mixing and stirring are carried out, and the working efficiency is higher; the stirring synthesis chamber 3 is also internally provided with a suspension nozzle 310 structure, and the suspension nozzle 310 is used for suspension, oscillation and feeding, so that the sodium hydroxide solution can be smoothly and efficiently sprayed into the stirring synthesis chamber 3; meanwhile, the sodium hydroxide solution is introduced in a gas-liquid mixing mode, so that an air floatation effect can be formed, the mixing effect of the raw materials is improved, the sodium hydroxide solution which is dispersed into a fog drop shape is easier to be fully and uniformly mixed and contacted with other raw materials in the stirring synthesis box, and the improvement of the synthesis rate of the silane coupling agent is facilitated.

After the synthesis reaction of each raw material is completed in the stirring synthesis chamber 3, a silane coupling agent is generated, the purity of the synthesized liquid is poor, and subsequent treatment needs to be continued, as shown in fig. 1, the mixing synthesis chamber 3 is communicated with the cooling standing chamber 4 through a first liquid discharge pipe 11, the first liquid discharge pipe 11 is provided with a first water pump 12, the synthesized liquid is rapidly discharged into the cooling standing chamber 4 through a mixing stirring blade 306 and the first water pump 12 which are spirally distributed, the cooling standing chamber 4 is used for cooling the synthesized silane coupling agent on one hand and separating a water layer from an organic layer on the other hand, and a target product is located in the organic layer;

the concrete structure of the cooling standing chamber 4 is as shown in fig. 10, be provided with the permeable membrane 47 in the cooling standing chamber 4, and be dogleg honeycomb duct 43, wherein, honeycomb duct 43 is linked together with fluid-discharge tube 11, permeable membrane 47 is located the export below of honeycomb duct 43, thereby, behind the honeycomb duct 43 of flowing through, rethread permeable membrane 47, permeable membrane 47 can effectually separate water, compare in the layering of simply standing, adopt permeable membrane 47 can make the separation that water layer and organic layer can be better. Meanwhile, the bottom of the cooling standing chamber 4 is communicated with a layered water discharge port 46 for discharging a separated water layer, the water layer can be discharged to a salting-out sedimentation tank outside a workshop for natural cooling salting-out, and the upper water in the salting-out sedimentation tank can be used as mother liquor for synthesis of a silane coupling agent; and the target product is located in the organic layer;

meanwhile, the treatment of cooling to room temperature is needed when the standing is carried out, and in the cooling standing chamber 4, the specific cooling structure comprises: firstly, the flow path of the synthetic liquid can be lengthened by the zigzag flow guide pipe 43, which is more beneficial to cooling to a certain extent; secondly, a cooling sleeve 44 is sleeved outside the guide pipe 43, the cooling sleeve 44 is communicated with the water tank 6 through a second water supply pipe 16, and cooling water is introduced into the cooling sleeve 44 from the water tank 6 to realize primary cooling of the synthetic liquid; further, the lower half of the cooling chamber 4 has a double wall and forms a cooling chamber 41, and a cooling jacket 44 is connected to the cooling chamber 41 through a water pipe 45, so that cooling water continues to flow into the cooling jacket chamber 41 through the water pipe 45, and the synthetic fluid flowing out of the flow guide pipe 43 is secondarily cooled in the cooling chamber 4.

In addition, the cooling water discharge port 42 is communicated with the cooling clamp cavity 41, the cooling water discharge port 42 is communicated with a condenser through a pipeline, and the condenser is communicated with the water tank 6, so that the cooling water used for cooling the standing chamber is continuously circulated and updated, and the cooling effect is effectively ensured.

Because the target product is positioned in the organic layer, the organic layer is continuously extracted for filtration treatment so as to remove impurity particles and turbid variegated colors in the organic layer; the cooling and standing chamber 4 is communicated with the filtering chamber 5 through a second liquid discharge pipe 13, and a second water pump 14 is arranged on the second liquid discharge pipe 13; therefore, the organic layer is pumped into the filtering chamber 5 through the second water pump 14, the filtering chamber 5 realizes the filtration of the organic layer after standing and separation, and the content and the quality of the silane coupling agent in the organic layer are effectively improved.

The structure of filter chamber 5 is as shown in fig. 11, install filter layer 508 and placed active carbon adsorption stone 512 in the bottom in filter chamber 5, filter layer 508 adopt silane coupling agent filter common filtering mechanism can, realize getting rid of impurity granule, active carbon adsorption stone 512 can effectually get rid of muddy variegated, promotes the product quality. Moreover, the filtering chamber 5 is communicated with the negative pressure pump 501, the negative pressure pump 501 pumps the liquid to realize a negative pressure environment in the filtering chamber 5, so that the filtering efficiency is accelerated, the filtering layer 508 is wavy, the contact area between the filtering layer 508 and the organic layer liquid entering the filtering chamber 5 is effectively increased, the filtering effect can be improved, and the filtering efficiency can be further improved.

Simultaneously, for improving activated carbon adsorption stone 512's treatment effect, also be provided with the stirring structure in filter chamber 5, specifically have: firstly, a rotating tube body shaft 507 is longitudinally arranged in a filtering chamber 5, the bottom end of the rotating tube body shaft 507 is fixedly connected with a solid filtering stirring shaft 509, a soft stirring blade 510 is arranged on the filtering stirring shaft 509, and the soft stirring blade 510 is used for stirring, so that the activated carbon adsorption stone 512 can be better contacted with a filtered organic layer; by adopting the soft stirring blade 510, if a silica gel protective sleeve is sleeved outside the metal stirring blade, excessive abrasion to the activated carbon adsorption stone 512 can not be caused.

After the adsorption treatment by the activated carbon, the filtrate is discharged from a filtrate discharge port 514 arranged on the filtering chamber 5, and the filtrate discharge port 514 is connected with a downstream distillation and purification device through a pipeline, so that the filtrate is further distilled and purified to obtain a high-purity silane coupling agent product. In order to prevent the activated carbon adsorption stone 512 from flowing out of the filtrate discharge port 514, a slag separation net 513 is arranged at the filtrate discharge port.

In order to enable the rotary tube body shaft 507 to drive the filtering stirring shaft 509 to rotate, as shown in fig. 11, a second motor 502 is arranged outside the filtering chamber 5, the second motor 502 is connected with a third motor shaft 503 through a shaft coupling, and a first bevel gear 504 is fixedly arranged at the front end of the third motor shaft 503; a rotary tube body shaft 507 penetrates through the filtering chamber 5 from the top end and is connected with a rotary joint 505, and a second conical gear 506 meshed with the first conical gear 504 is fixedly arranged on a tube body of the rotary tube body shaft 507 outside the filtering chamber 5; therefore, the second motor 502 drives the rotary tube body shaft 507 to rotate through the cooperation of the first bevel gear 504 and the second bevel gear 506.

The rotating pipe body shaft 507 is connected with the filtering stirring shaft 509 after passing through the filtering layer 508, because the filtering layer 508 is fixedly arranged in the filtering chamber 5, in order to prevent the filtering layer 508 from influencing the operation of the rotating pipe body shaft 507, as shown in fig. 12, a fixing ring 516 is fixedly arranged at the central position of the filtering layer 508, a sliding ring groove 517 is formed along the inner wall of the fixing ring 516, and a protruding ring 518 matched with the sliding ring groove 517 is formed on the rotating pipe body shaft 507, so that the rotating shaft sleeve 507 can rotate along the fixing ring 516.

In addition, after the filtering layer 508 and the activated carbon adsorption stone 512 are filtered and decontaminated for a long time, the filtering layer and the activated carbon adsorption stone 512 need to be cleaned regularly, so that a cleaning nozzle 519 communicated with the rotating pipe body shaft 507 is arranged on the rotating pipe body shaft 507, the top end of the rotating pipe body shaft 507 is connected with a rotary joint 505, and the rotary joint 505 is sleeved on the rotating pipe body 507 and is communicated with the water tank 6 through a third water supply pipe 17; therefore, the water tank 6 supplies cleaning water, and the connecting structure of the rotary joint 505 and the rotary pipe body shaft 507 can also adopt a structure similar to that in fig. 12, so that the rotary joint 505 can not influence the rotation of the rotary pipe body shaft 507; cleaning water enters the hollow rotating pipe body shaft 507 through the rotary joint 505, and is sprayed by a cleaning spray nozzle 519 to clean the filter layer 508, the cleaning water sprays solid impurity particles to the periphery of the filter layer, the filter chamber 5 is communicated with a slag discharge port 515 which is flush with the filter layer 508, and the slag discharge port 515 is opened, so that the intercepted impurity particles can be washed out; most of the cleaning water continuously permeates to the bottom of the filtering chamber 5 from the filtering layer 508 and is stirred and cleaned by the soft stirring blades 510, so that the cleaning of the activated carbon adsorption stone 512 is effectively realized, the bottom of one side of the filtering chamber 5 is communicated with a cleaning water discharge port 511, the cleaning water discharge port 511 is opened, the cleaned sewage is collected in a centralized manner, and the sewage is discharged after being treated.

The invention also discloses a method for optimizing production of the silane coupling agent, which comprises the following steps:

step one, raw material preparation: the prepared raw materials comprise water, sodium hydroxide solution, sulfur and gamma 2, wherein the sodium hydroxide solution is contained in an alkaline solution tank 7, and the water is provided by a water tank 6;

step two, feeding: the water adding amount is controlled by a second metering pump 312, and water is introduced into the stirring and synthesizing chamber 3 through a water inlet 313;

the adding amount of the sodium hydroxide solution is controlled by a first metering pump 8, meanwhile, air is supplied by an air blower 9, the air is introduced into an air pipe 19 by an electric control proportional pressure regulating valve 18 according to production requirements in proportion, the air in the air pipe 19 is collided and mixed with the sodium hydroxide solution sent by a liquid pipe 20 at a three-way joint 10, the sodium hydroxide solution quickly flows into an air flotation pipe 309 through an alkali liquor introduction pipe 316, then a gas-liquid mixture is ejected by oscillation from a suspension nozzle 309, the sodium hydroxide solution is quickly and uniformly ejected into water under the drive of the air, and an air flotation mixing effect is formed in the adding process of the sodium hydroxide solution; after the addition of the sodium hydroxide solution is completed, the first metering pump 8 is closed;

when the sodium hydroxide solution is added, starting a first motor 2 and a second motor 106, heating and stirring the synthesis chamber at normal pressure for 3-80 ℃, wherein the first motor 2 drives a mixing stirring shaft 308 to rotate through a motor shaft, and the mixing stirring shaft 308 drives a mixing stirring blade 306 to perform mixing stirring; the second motor 106 drives the first extrusion roller 101 to work, the first extrusion roller 101 rotates, the second extrusion roller 102 keeps still, sulfur is ground into powder through the extrusion teeth of the first extrusion roller and the second extrusion roller, the powder sulfur falls onto the screening mechanism 105, the powder sulfur meeting the particle size requirement falls into the stirring and synthesizing chamber 3 through the screening mechanism 105, the sulfur not meeting the particle size requirement is intercepted on the screening mechanism 105 and is sucked and recovered by the dust suction fan 103, and the sulfur can be put into the first extrusion roller 101 and the second extrusion roller 102 again;

in the process that the first extrusion roller 101 rotates, the first gear 107 rotates along with a roller shaft of the first extrusion roller 101, the first gear 107 drives the second gear 109 to rotate through the transmission chain 108, the swing arm 104 is driven to move up and down through the rotating block 107, the swing arm 104 drives the screening mechanism 105 to swing up and down, and the screening mechanism 105 swings up and down to enable the powdered sulfur to rapidly drop;

after the addition of sulfur is completed, the top opening of the feed hopper 1 is covered, the flow controller 304 is opened, gamma 2 is dripped through the burette 305, the gamma 2 enters the mixing stirring shaft 308 through the burette 305, and then is ejected through the titration nozzle 307; the titration nozzle 307 rotates along with the mixing stirring shaft 308, so that gamma 2 is ejected out in a ring shape, and after the gamma 2 is added, the flow controller and a valve 320 at the titration nozzle 307 are closed;

at the moment, the mixing stirring shaft 308 drives the mixing stirring blades 306 to continuously stir the mixed raw materials, the blower 9 continuously introduces gas to realize air floatation mixing of the mixed raw materials, and the temperature is kept at 80 ℃ plus or minus 5 ℃ to synthesize the silane coupling agent; a large amount of water vapor is generated in the reaction process, is discharged from the exhaust hole 311, is condensed, flows into the second metering pump 312 through the water return pipe 319, and is sent into the stirring synthesis chamber 3 again;

step three, standing and layering: after the synthesis of the silane coupling agent is completed, the first water pump 12 is started, the silane coupling agent flows into the flow guide pipe 43 through the first liquid discharge pipe 11, and primary cooling is performed when the silane coupling agent flows through the flow guide pipe 43; after the silane coupling agent flows out of the draft tube 43, secondary cooling is carried out on the lower half part of the cooling and standing chamber 4; meanwhile, under the action of the permeable membrane 47, water permeates to the lower part of the permeable membrane 47, an organic layer is retained above the permeable membrane 47, after the separation of a water layer and the organic layer is finished, the water layer is discharged from a layered water discharge port 46 to a salting-out sedimentation tank outside a workshop for natural cooling salting-out, and upper water in the salting-out sedimentation tank can be used as mother liquor for the synthesis of a silane coupling agent; pumping the organic layer into a filter chamber 5;

step four, filtering: the organic layer is discharged into a filter chamber 5, after the organic layer is filtered by a filter layer 508, the filter area is increased by the wavy filter layer 508, a negative pressure pump 501 carries out negative pressure suction filtration to quickly finish the filter treatment, then, the activated carbon adsorption stone 512 carries out the color removal treatment, and stirring is carried out during the color removal treatment to improve the treatment effect, and the target product is positioned in the filtered liquid;

step five, distillation: the filtered liquid is transferred into a finishing and purifying device through a filtrate discharge port 514, negative pressure distillation is carried out, a silane coupling agent product is obtained through fractionation, and the rest of condensate is recovered and used for the next batch of production.

Therefore, the device and the method for optimizing production of the silane coupling agent disclosed by the invention have the advantages that the raw materials are added and simultaneously stirred and mixed, so that the production efficiency is effectively improved; in addition, the raw material adding mode is optimized, so that the mixing and contact of the raw materials are more sufficient and effective, the synthesis rate of the silane coupling agent is improved, and the higher product yield is realized; meanwhile, a second motor is adopted to drive a plurality of components to work, so that energy consumption is reduced, and electric energy is saved; the standing separation effect is better, the separation of the water layer and the organic layer is more effectively realized, more organic layers are obtained, the yield of the silane coupling agent can be increased, and the subsequent filtration and purification treatment is more facilitated; in addition, the filter chamber has from the clear function, avoids the filter layer to block up, fully ensures the filter effect, and then ensures product quality.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims

1. The device for optimizing the production of the silane coupling agent comprises a stirring synthesis chamber (3), and is characterized in that: the device also comprises a feed hopper (1), a first motor (2), a cooling and standing chamber (4), a filter chamber (5), an alkaline liquid box (7) and a blower (9);

the feeding hopper (1) is arranged above the stirring synthesis chamber (3) and communicated with the stirring synthesis chamber (3), two groups of extrusion rollers, namely a first extrusion roller (101) and a second extrusion roller (102), are arranged in the feeding hopper (1), the first extrusion roller (101) and the second extrusion roller (102) are provided with meshed extrusion teeth, the first extrusion roller (101) is driven by a second motor (106), and the second extrusion roller (102) is fixedly arranged in the feeding hopper (1);

a screening mechanism (105) is separated between the feed hopper (1) and the stirring synthesis chamber (3), and the screening mechanism (105) is installed in the feed hopper (1) and is positioned below the first extrusion roller (101) and the second extrusion roller (102); a first gear (107) is fixedly arranged on a roller shaft of the first extrusion roller (101), the first gear (107) is connected with a second gear (109) through a transmission chain (108), the second gear (109) is rotatably arranged on a fixed rod (115), the second gear (109) is hinged to a rotating block (110) through a connecting rod, the rotating block (110) is fixedly connected with a swing arm (104), the swing arm (104) is connected with the screening mechanism (105), and the swing arm (104) drives the screening mechanism (105) to swing up and down;

the stirring synthesis chamber (3) is provided with a water inlet (313), an alkali liquor inlet pipe (316), a burette (305) and an exhaust pipe (311) which are respectively communicated with the stirring synthesis chamber (3), and the stirring synthesis chamber (3) is internally provided with a mixing stirring shaft (308) and an air flotation pipe (309); a motor shaft of the first motor (2) penetrates through the stirring synthesis chamber (3) and is fixedly connected with the mixing stirring shaft (308), the mixing stirring shaft (308) is transversely arranged, the other end of the mixing stirring shaft (308) is rotatably connected with the burette (305) and is communicated with the burette (305), the burette (305) is provided with a flow controller (304), the mixing stirring shaft (308) is provided with mixing stirring blades (306) which are spirally distributed and titration nozzles (307) which are parallelly distributed, and the titration nozzles (307) are communicated with the mixing stirring shaft (308);

the air floating pipe (309) is positioned at the bottom of the stirring synthesis chamber (3), and a plurality of groups of suspension nozzles (310) are arranged on the air floating pipe (309); the air floatation pipe (309) is communicated with an alkali liquor inlet pipe (316), the alkali liquor inlet pipe (316) is respectively communicated with an air pipe (19) and a liquid pipe (20) through a three-way joint (10), the air pipe (19) is provided with an electric control proportional pressure regulating valve (18), the air pipe (19) is communicated with an air blower (9), and the liquid pipe (20) is provided with a first metering pump (8) and communicated with an alkali liquor tank (7);

the mixing and synthesizing chamber (3) is communicated with the cooling and standing chamber (4) through a first liquid discharge pipe (11), a first water pump (12) is installed on the first liquid discharge pipe (11), a permeable membrane (47) and a zigzag flow guide pipe (43) are arranged in the cooling and standing chamber (4), the flow guide pipe (43) is communicated with the first liquid discharge pipe (11), the permeable membrane (47) is positioned below an outlet of the flow guide pipe (43), and the bottom of the cooling and standing chamber (4) is communicated with a layered water discharge port (46); the cooling and standing chamber (4) is communicated with the filtering chamber (5) through a second liquid discharge pipe (13), and a second water pump (14) is arranged on the second liquid discharge pipe (13); a filtrate discharge port (514) is formed in the filter chamber (5), and the filtrate discharge port (514) is connected with a downstream distillation purification device through a pipeline;

the mixing and stirring blade (306) is provided with water permeable holes which are arranged in a straight line shape; the titration nozzle (307) comprises a cylinder (3071) communicated with the mixing stirring shaft (308), the cylinder (3071) is fixed on the mixing stirring shaft (308), and the wall of the cylinder (3071) is provided with a plurality of titration holes (3072); a valve (320) is also arranged at the connecting position of the cylinder (3071) and the mixing stirring shaft (308);

the suspension spray head (310) is communicated with the air floating pipe (309) through a suspension hose (314), and an oscillating spring (315) is sleeved outside the suspension hose (314);

the end part of the mixing stirring shaft (308) is provided with an outer sleeve joint (317), the end part of the burette (305) is provided with an inner rotating body (318), and a rotating groove matched with the inner rotating body (318) is formed in the outer sleeve joint (317).

2. The apparatus for optimizing production of silane coupling agent according to claim 1, wherein: a dust collection fan (103) is arranged on one side of the feed hopper (1), and a suction head of the dust collection fan (103) is positioned above the screening mechanism (105);

the screening mechanism (105) consists of a screening net body (1051) and a screening fixing frame (1052) fixedly enclosed around the screening net body (1051), one end of the screening fixing frame (1052) is fixedly connected with the swing arm (104), the other end of the screening fixing frame forms a semicircular limiting convex shaft (111), a rotating shaft (112) penetrates through the limiting convex shaft (111), and two ends of the rotating shaft (112) are fixed on the wall of the feeding hopper (1);

the wall of the feed hopper (1) is provided with a limit groove (113) matched with the limit convex shaft (111), and a buffer spring (114) is connected between the screening fixing frame (1052) and the limit groove (113).

3. The apparatus for the optimized production of silane coupling agent according to claim 1, wherein: the stirring synthesis chamber (3) is provided with double walls, a heating cavity (301) is formed between the double walls, an electric heater (302) is arranged in the heating cavity (301), and a heat insulation layer (303) is coated outside the stirring synthesis chamber (3).

4. The apparatus for optimizing production of silane coupling agent according to claim 1, wherein: the lower half part of the cooling standing chamber (4) is provided with a double-layer wall and forms a cooling clamping cavity (41), a cooling sleeve (44) is sleeved outside a guide pipe (43), the cooling sleeve (44) is communicated with the cooling clamping cavity (41) through a water pipe (45), the cooling clamping cavity (41) is communicated with a cooling water discharge port (42), the cooling water discharge port (42) is communicated with a condenser through a pipeline, and the condenser is communicated with a water tank (6).

5. The apparatus for optimizing production of silane coupling agent according to claim 4, wherein: a third motor (502) is arranged outside the filtering chamber (5), the third motor (502) is connected with a third motor shaft (503) through a shaft coupler, and a first conical gear (504) is fixedly arranged at the front end of the third motor shaft (503); a rotary pipe body shaft (507) is longitudinally arranged in the filtering chamber (5), the rotary pipe body shaft (507) penetrates through the filtering chamber (5) from the top end and is connected with a rotary joint (505), and a second conical gear (506) meshed with the first conical gear (504) is fixedly arranged on a shaft body of the rotary pipe body shaft (507) positioned outside the filtering chamber (5);

the bottom of rotatory pipe body axle (507) links firmly solid filtration (mixing) shaft (509), filters and installs soft stirring leaf (510) on (mixing) shaft (509), filter chamber (5) intercommunication has negative pressure pump (501), still is provided with filter layer (508), active carbon adsorption stone (512) in filter chamber (5), active carbon adsorption stone (512) are placed in the inner chamber bottom of filter chamber (5), filter layer (508) be wavy and with filter chamber (5) fixed connection, the central point of filter layer (508) puts the department and has set firmly retainer plate (516), and retainer plate (516) have seted up sliding ring groove (517) along the inner wall, form on rotatory pipe body axle (507) with sliding ring groove (517) assorted protruding circle (518).

6. The apparatus for optimizing production of silane coupling agent according to claim 5, wherein: a cleaning spray head (519) communicated with the rotating pipe body shaft (507) is arranged on the rotating pipe body shaft (507), the filtering chamber (5) is communicated with a slag discharge port (515) and a cleaning water discharge port (511), the cleaning water discharge port (511) is positioned at the bottom of one side of the filtering chamber (5), and the slag discharge port (515) is flush with the filtering layer (508); and a residue separation net (513) is arranged at the filtrate discharge port (514).

7. The apparatus for optimizing production of silane coupling agent according to claim 6, wherein: the device for optimizing the production of the silane coupling agent also comprises a water tank (6), wherein a suspension ball (61) is placed in the water tank (6); the water tank (6) is communicated with a water inlet (313) of the stirring and synthesizing chamber (3) through a first water supply pipe (15), a second metering pump (312) is arranged between the first water supply pipe (15) and the water inlet (313), the first water supply pipe (15) is also communicated with a water return pipe (319), the water return pipe (319) is communicated with a condenser, and the condenser is communicated with an exhaust pipe (311) of the stirring and synthesizing chamber (3); the water tank (6) is communicated with a cooling sleeve (44) of the cooling and standing chamber (4) through a second water supply pipe (16), and the water tank (6) is communicated with the rotary joint (505) through a third water supply pipe (17).

8. A method for using a device for the optimized production of silane coupling agents according to any one of claims 1 to 7, wherein: the using method comprises the following steps:

step one, raw material preparation: the prepared raw materials comprise water, sodium hydroxide solution, sulfur and gamma 2, wherein the sodium hydroxide solution is contained in an alkaline solution tank (7), and the water is provided by a water tank (6);

step two, feeding: the water adding amount is controlled by a second metering pump (312) and water is introduced into the stirring and synthesizing chamber (3) through a water inlet (313);

the addition amount of the sodium hydroxide solution is controlled by a first metering pump (8), meanwhile, air is supplied by an air blower (9), the air is introduced into an air pipe (19) by an electric control proportional pressure regulating valve (18) according to the production requirement in proportion, the air in the air pipe (19) and the sodium hydroxide solution sent by a liquid pipe (20) collide and mix at a three-way joint (10), and rapidly flow into an air floating pipe (309) through an alkali liquor introduction pipe (316), and then a gas-liquid mixture is ejected from a suspension nozzle (310) in an oscillating way, the sodium hydroxide solution is rapidly and uniformly ejected into water under the drive of the air, and an air floatation mixing effect is formed in the addition process of the sodium hydroxide solution; after the sodium hydroxide solution is added, the first metering pump (8) is closed;

when the sodium hydroxide solution is added, a first motor (2) and a second motor (106) are started, the synthesis chamber (3) is heated and stirred to 80 ℃ under normal pressure, the first motor (2) drives a mixing stirring shaft (308) to rotate through a motor shaft, and the mixing stirring shaft (308) drives a mixing stirring blade (306) to mix and stir; the second motor (106) drives the first extrusion roller (101) to work, the first extrusion roller (101) rotates, the second extrusion roller (102) keeps still, sulfur is ground into powder through the extrusion teeth of the first extrusion roller and the second extrusion roller, the powder sulfur falls onto the screening mechanism (105), the powder sulfur meeting the particle size requirement falls into the stirring and synthesizing chamber (3) through the screening mechanism (105), the sulfur not meeting the particle size requirement is intercepted on the screening mechanism (105), and is further sucked and recovered by the dust absorption fan (103), and the sulfur can be put into the first extrusion roller (101) and the second extrusion roller (102) again;

in the rotating process of the first extrusion roller (101), the first gear (107) rotates along with a roller shaft of the first extrusion roller (101), the first gear (107) drives the second gear (109) to rotate through a transmission chain (108), then the swing arm (104) is driven by the rotating block (107) to move up and down, the swing arm (104) drives the screening mechanism (105) to swing up and down, and the screening mechanism (105) swings up and down to enable powdery sulfur to fall off quickly;

after the addition of the sulfur is finished, the top opening of the feed hopper (1) is covered, the flow controller (304) is started, gamma 2 is dripped through the burette (305), the gamma 2 enters the mixing stirring shaft (308) through the burette (305) and is ejected through the titration nozzle (307); the titration spray head (307) rotates along with the mixing stirring shaft (308), so that the gamma 2 is discharged in an annular spray manner, and after the addition of the gamma 2 is completed, the flow controller is closed;

at the moment, the mixing stirring shaft (308) drives the mixing stirring blades (306) to continuously stir the mixed raw materials, the air blower (9) continuously introduces air to realize air floatation mixing of the mixed raw materials, and the temperature is kept at 80 +/-5 ℃ to synthesize the silane coupling agent; a large amount of water vapor is generated in the reaction process, is discharged from an exhaust pipe (311), flows into a second metering pump (312) through a water return pipe (319) after being condensed, and is sent into the stirring synthesis chamber (3) again;

step three, standing and layering: after the synthesis of the silane coupling agent is finished, a first water pump (12) is started, the silane coupling agent flows into a guide pipe (43) through a first liquid discharge pipe (11), and primary cooling is carried out when the silane coupling agent flows through the guide pipe (43); after the silane coupling agent flows out of the draft tube (43), secondary cooling is carried out on the lower half part of the cooling and standing chamber (4); meanwhile, under the action of the permeable membrane (47), water permeates to the lower part of the permeable membrane (47), an organic layer is retained above the permeable membrane (47), after the separation of a water layer and the organic layer is finished, the water layer is discharged to a salting-out sedimentation tank outside a workshop from a layered water discharge port (46) for natural cooling salting-out, and upper water in the salting-out sedimentation tank can be used as mother liquor for the synthesis of a silane coupling agent; pumping the organic layer into a filter chamber (5);

step four, filtering: the organic layer is discharged into a filter chamber (5), after the organic layer is filtered by a filter layer (508), the filter area of the wavy filter layer (508) is increased, a negative pressure pump (501) performs negative pressure suction filtration to quickly complete the filter treatment, then, activated carbon adsorption stone (512) performs color removal treatment, stirring is performed during the color removal treatment to improve the treatment effect, and a target product is located in the filtered liquid;

step five, distillation: and transferring the filtered liquid into a finishing and purifying device through a filtrate discharge port (514), distilling under negative pressure, fractionating to obtain a silane coupling agent product, and recovering the rest condensate for the next batch of production.