Discharging equipment for benzotriazole crystals

Abstract

The utility model relates to discharging equipment for benzotriazole crystals. The discharging equipment comprises a table frame and a main body arranged on the front side of the top of the table frame, the main body comprises a frame fixed on the table frame and a cuboid stock bin fixed in the frame, and a rectangular discharging groove is formed in the bottom of the cuboid stock bin; the stirring plate is arranged on the lower side of the interior of the cuboid stock bin and located above an opening in the root of the rectangular discharging groove, the stirring rod is transversely fixed to the middle of the stirring plate, the stirring motor is fixed to the outer wall of the left side or the right side of the cuboid stock bin, and the two ends of the stirring rod are rotatably connected to the left side and the right side of the cuboid stock bin in a penetrating and penetrating mode respectively. A rotating shaft of the stirring motor is transversely arranged and concentrically fixed at the left end or the right end of the stirring rod; according to the utility model, the discharging process and the scattering process are integrated together, so that the benzotriazole crystal does not need to be frequently transferred, the operation process is simplified, the time-saving and labor-saving effects are achieved, and the production efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to a discharging device for benzotriazole crystals. Background Art

[0002] Benzotriazole is mainly used as a water treatment agent, metal rust inhibitor and corrosion inhibitor. It is widely used in circulating water treatment agents, rust-proof oils and lipid products. It is also used as a vapor phase corrosion inhibitor for copper and copper alloys and a lubricating oil additive.

[0003] The main process of preparing benzotriazole using the o-phenylenediamine method is as follows: first, water, pure acetic acid and o-phenylenediamine are added to the reaction device, the stirring device is turned on and the temperature is raised to the reaction temperature, and then sodium nitrite is added to carry out a cyclization reaction; after the cyclization reaction is completed, sulfuric acid is added to carry out a displacement reaction to replace the sodium acetate generated by the cyclization reaction with acetic acid and sodium sulfate; after the displacement reaction is completed, sodium sulfate is continued to be added, and after the addition, stirring is stopped and the mixture is allowed to stand and separate to obtain a stratified oil phase and a stratified water phase; the obtained stratified water phase is cooled and filtered to obtain sodium sulfate crystal salt and a reaction mother liquor; the obtained stratified oil phase is distilled to recover acetic acid and recrystallized to obtain benzotriazole.

[0004] After recrystallization, benzotriazole must be dried because it contains water. During the drying process, the benzotriazole crystals will clump together. The clumped benzotriazole crystals cannot be packaged directly, but must be dispersed.

[0005] For agglomerated benzotriazole crystals, existing dispersion methods require first placing the dried benzotriazole crystals into a stirring device for stirring, thereby breaking up the agglomerated benzotriazole crystals, and then loading the broken-up benzotriazole crystals into a discharge barrel, and finally bagging them according to the amount used. This requires frequent transfer of the benzotriazole crystals, resulting in a cumbersome operation process that is both time-consuming and labor-intensive, thereby restricting the improvement of production efficiency and requiring further improvement. Utility Model Content

[0006] In view of the current status of the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a discharging device for benzotriazole crystals which combines the discharging process and the dispersing process together, thereby simplifying the operation process to achieve the effect of saving time and labor, thereby improving production efficiency.

[0007] The technical solution adopted by the utility model to solve the above technical problems is: a discharging device for benzotriazole crystals, characterized by comprising a table frame and a main body arranged on the front side of the top of the table frame;

[0008] The main body includes a frame fixed on the table frame and a rectangular material bin fixed in the frame, and a rectangular discharge chute is formed at the bottom of the rectangular material bin;

[0009] The main body further includes a stirring plate disposed at the lower side inside the cuboid storage bin and above the root opening of the rectangular discharge chute, a stirring rod horizontally fixed in the middle of the stirring plate, and a stirring motor fixed on the outer wall of the left or right side of the cuboid storage bin. The two ends of the stirring rod are respectively rotatably inserted and connected to the left and right sides of the cuboid storage bin. The rotating shaft of the stirring motor is horizontally arranged and concentrically fixed to the left or right end of the stirring rod;

[0010] A plurality of guide material notches are arranged at equal intervals from left to right on the front and rear edges of the stirring plate;

[0011] The main body further includes a sealing plate horizontally fixed at the end opening of the rectangular discharge chute and a pressing strip horizontally fixed below the sealing plate. Two symmetrically distributed blanking hole combinations are provided in the sealing plate. Correspondingly, two symmetrically distributed discharge nozzle combinations are embedded in the pressing strip;

[0012] The blanking hole combination includes a plurality of blanking holes arranged in sequence from left to right. Correspondingly, the discharge nozzle combination includes the same number of discharge nozzles arranged in sequence from left to right. The root opening of each discharge nozzle is disposed directly below a corresponding blanking hole;

[0013] The main body further includes two control valves symmetrically disposed on the left and right sides of the pressing strip. The control valve includes a valve plate strip horizontally and movably inserted between the sealing plate and the pressing strip and a material control cylinder fixed on the frame. The telescopic end of the material control cylinder is horizontally arranged and directed towards the pressing strip and fixed to the outer end of the valve plate strip;

[0014] A plurality of valve holes are arranged in sequence from left to right in the valve plate strip. The number of valve holes is equal to the number of blanking holes. The center distance between any two adjacent valve holes is equal to the center distance between any two adjacent blanking holes.

[0015] Preferably, two symmetrically distributed dispersing components are further provided on the front side of the table frame. The dispersing component includes a side frame fixed on the table frame, a rodless cylinder fixed on the side frame, a dispersing motor fixed on the moving end of the rodless cylinder to have a left - right reciprocating movement function by means of the rodless cylinder, and a dispersing unit disposed on the rotating shaft of the dispersing motor. The rotating shafts of the dispersing motors in the two dispersing components are horizontally and oppositely arranged.

[0016] Preferably, the dispersing unit includes a base concentrically fixed on the rotating shaft of the dispersing motor and at least two dispersing needles horizontally fixed at the end of the base. At least two of the dispersing needles are evenly arranged at equal angles along the circumferential direction around the central axis of the base.

[0017] Preferably, the dispersing units in one of the dispersing assemblies on the left side are arranged below one of the discharging nozzle assemblies on the left side, and the dispersing units in one of the dispersing assemblies on the right side are arranged below one of the discharging nozzle assemblies on the right side.

[0018] Preferably, the main body further includes a cross beam horizontally fixed to the front side of the bottom of the frame and two cut-off devices arranged on the cross beam and distributed left and right respectively and cooperating with the two discharging nozzle assemblies respectively. The cut-off device includes a cut-off cylinder fixed to the cross beam and vertically adjustable in terms of the upper and lower fixing height, and a cut-off plate horizontally fixed to the telescopic end of the cut-off cylinder. The telescopic end of the cut-off cylinder is horizontally arranged backward, and the top of the cut-off plate cooperates with the end openings of each discharging nozzle in the corresponding discharging nozzle assembly.

[0019] Preferably, two receiving assemblies are further arranged on the top of the table frame and distributed left and right respectively and cooperating with the two dispersing assemblies respectively. The receiving assembly includes a tray horizontally and movably connected to the table frame to have the function of moving back and forth and lower than the dispersing unit in the corresponding dispersing assembly, and a receiving cylinder fixed to the table frame. The telescopic end of the receiving cylinder is horizontally arranged forward and fixed to the tray.

[0020] Preferably, the dispersing assembly further includes a baffle fixed to the bottom of the frame and inside the base of the dispersing unit. A limiting hole is formed in the baffle, and each dispersing needle is horizontally inserted into the limiting hole.

[0021] Preferably, a transparent plate is further embedded in the front side of the cuboid material bin, and a detachable bin cover is further arranged at the top opening of the cuboid material bin.

[0022] Compared with the prior art, the advantages of the present utility model are as follows: The present utility model arranges a rotatable stirring plate inside the cuboid material bin to break up the agglomerated and relatively large benzotriazole crystals, and at the same time, the dispersing assembly can further break up the benzotriazole crystals during the discharging process and evenly disperse the benzotriazole crystals in the receiving box to avoid excessive accumulation. Thus, the discharging process and the dispersing process are combined to complete, and it is not necessary to frequently transfer the benzotriazole crystals, thereby simplifying the operation process to achieve the effect of saving time and effort, and further improving the production efficiency. Description of the Drawings

[0023] Figure 1 It is the left front top view structure diagram of the present utility model;

[0024] Figure 2 It is the left front bottom view structure diagram of the present utility model;

[0025] Figure 3 It is the left rear bottom exploded structure diagram of the main body of the present utility model;

[0026] Figure 4 It is a left front top view structure diagram of the main body of the present utility model. Specific embodiments

[0027] Unless otherwise defined, the technical terms or scientific terms used in the present utility model should have the ordinary meanings understood by those with ordinary skills in the field to which the present utility model belongs. The "first", "second" and similar terms used in the present utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "including" or "comprising" mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships, and when the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0028] To keep the following description of the embodiments of the present utility model clear and concise, the detailed descriptions of known functions and known components are omitted in the present utility model.

[0029] As Figures 1 to 4 shown, a discharging device for benzotriazole crystals includes a table frame 1 and a main body 2 provided on the front side of the top of the table frame 1;

[0030] The main body 2 includes a frame 21 fixed on the table frame 1 and a rectangular bin 22 fixed inside the frame 21. A rectangular discharging groove 221 is formed at the bottom of the rectangular bin 22;

[0031] The main body 2 further includes a stirring plate 211 provided on the lower side inside the rectangular bin 22 and above the root opening of the rectangular discharging groove 221, a stirring rod 210 horizontally fixed in the middle of the stirring plate 211, and a stirring motor 212 fixed on the left or right outer wall of the rectangular bin 22. The two ends of the stirring rod 210 are respectively rotatably inserted and connected to the left and right sides of the rectangular bin 22, and the rotating shaft of the stirring motor 212 is horizontally arranged and concentrically fixed to the left or right end of the stirring rod 210;

[0032] A plurality of guide material notches 2111 are evenly distributed at equal intervals from left to right on the front and rear edges of the stirring plate 211;

[0033] The main body 2 further includes a sealing plate 23 horizontally fixed at the end opening of the rectangular discharging groove 221 and a pressing strip 24 horizontally fixed below the sealing plate 23. Two symmetrically distributed blanking hole combinations are provided in the sealing plate 23. Correspondingly, two symmetrically distributed discharging nozzle combinations are embedded in the pressing strip 24;

[0034] The blanking hole combination includes a plurality of blanking holes 231 arranged in sequence from left to right. Correspondingly, the discharge nozzle combination includes the same number of discharge nozzles 25 arranged in sequence from left to right. The root opening of each discharge nozzle 25 is disposed directly below a corresponding blanking hole 231.

[0035] The main body 2 further includes two control valves symmetrically disposed on the left and right sides of the pressure strip 24. The control valve includes a valve plate strip 26 horizontally and movably inserted between the sealing plate 23 and the pressure strip 24, and a material control cylinder 27 fixed on the frame 21. The telescopic end of the material control cylinder 27 is horizontally arranged in the direction of the pressure strip 24 and fixed to the outer end of the valve plate strip 26.

[0036] A plurality of valve holes 261 are arranged in sequence from left to right in the valve plate strip 26. The number of valve holes 261 is equal to the number of blanking holes 231. The center distance between any two adjacent valve holes 261 is equal to the center distance between any two adjacent blanking holes 231.

[0037] Two dispersion assemblies 4 are symmetrically arranged on the front side of the table frame 1. The dispersion assembly 4 includes a side frame 41 fixed on the table frame 1, a rodless cylinder 43 fixed on the side frame 41, a dispersion motor 42 fixed on the moving end of the rodless cylinder 43 and having a left - right reciprocating movement function by means of the rodless cylinder 43, and a dispersion unit arranged on the rotating shaft of the dispersion motor 42. The rotating shafts of the dispersion motors 42 in the two dispersion assemblies 4 are horizontally arranged and opposite to each other.

[0038] The dispersion unit includes a base 44 concentrically fixed on the rotating shaft of the dispersion motor 42 and at least two dispersion needles 45 horizontally fixed at the end of the base 44. The at least two dispersion needles 45 are evenly arranged at equal angles around the central axis of the base 44 in the circumferential direction.

[0039] The dispersion unit in one of the left - hand dispersion assemblies 4 is disposed below one of the left - hand discharge nozzle combinations, and the dispersion unit in one of the right - hand dispersion assemblies 4 is disposed below one of the right - hand discharge nozzle combinations.

[0040] The main body 2 further includes a cross beam 28 horizontally fixed on the front side of the bottom of the frame 21 and two cut - off devices 29 arranged on the cross beam 28, distributed left and right respectively and cooperating with the two discharge nozzle combinations. The cut - off device 29 includes a cut - off cylinder 291 fixed on the cross beam 28 and capable of vertically adjusting the upper and lower fixing height, and a cut - off plate 292 horizontally fixed on the telescopic end of the cut - off cylinder 291. The telescopic end of the cut - off cylinder 291 is horizontally arranged backward, and the top of the cut - off plate 292 cooperates with the end opening of each discharge nozzle 25 in a corresponding discharge nozzle combination.

[0041] The top of the table frame 1 is also provided with two material receiving components 3 distributed on the left and right and respectively cooperating with the two scattering components 4. The material receiving component 3 includes a support plate 31 which is horizontally and movably connected to the table frame 1 to have a forward and backward translation function and is lower than the scattering unit in the corresponding scattering component 4, and a material receiving cylinder 32 fixed on the table frame 1. The telescopic end of the material receiving cylinder 32 is horizontally arranged forward and fixed on the support plate 31.

[0042] The scattering assembly 4 also includes a baffle 46 fixed to the bottom of the frame 21 and located on the inner side of the base 44 in the scattering unit. A limiting hole 461 is provided in the baffle 46, and each scattering needle 45 is transversely inserted into the limiting hole 461.

[0043] A transparent plate 213 is also embedded in the front side of the rectangular silo 22 to facilitate observation of the material height in the rectangular silo 22 .

[0044] A detachable bin cover 214 is also provided at the top opening of the rectangular silo 22 .

[0045] Working principle:

[0046] Open the bin cover 214 and pour the benzotriazole crystals into the rectangular silo 22, start the stirring motor 212 to rotate its rotating shaft, and then use the stirring rod 210 to drive the stirring plate 211 to rotate, thereby guiding the benzotriazole crystals at the bottom of the rectangular silo 22 to continuously enter the rectangular discharge chute 221 and effectively stir the benzotriazole crystals, thereby breaking up a small amount of clumped and larger benzotriazole crystals. The setting of multiple material guide notches 2111 can prevent a large amount of benzotriazole crystals from rolling, and will only cause the clumped benzotriazole crystals with a volume larger than the width of the material guide notch 2111 to roll to achieve dispersion.

[0047] In the initial state, each valve hole 261 in the valve plate strip 26 in each control valve is staggered with a corresponding blanking hole 231, so that each blanking hole 231 is sealed by the valve plate strip 26, and the benzotriazole crystals in the rectangular discharge trough 221 will not fall; at the same time, the cutting plate 292 in the cutter 29 is located below a corresponding discharge nozzle combination, and the top outer wall of the cutting plate 292 is attached to the end opening of each discharge nozzle 25.

[0048] To start discharging the material, place the material receiving box on the top front side of the support plate 31 in one of the material receiving components 3, and then drive the telescopic end of the material receiving cylinder 32 in the material receiving component 3 to extend outward to drive the material receiving box to move forward to the bottom of the cut-off plate 292 with the help of the support plate 31; then drive the telescopic end of the material control cylinder 27 to extend outward or retract inward to drive the valve plate strip 26 to move horizontally until each valve hole 261 is located directly below a corresponding blanking hole 231; thereafter, the benzotriazole crystals located in the rectangular discharge trough 221 will enter each discharge nozzle 25 through each blanking hole 231 and each valve hole 261.

[0049] Next, the telescopic end of the shutoff cylinder 291 is driven to retract inward to move the shutoff plate 292 forward until the top of the shutoff plate 292 leaves the end opening of each discharge nozzle 25, and the benzotriazole crystals in each discharge nozzle 25 begin to fall into the receiving box.

[0050] During the blanking process, the rodless cylinder 43 in the scattering component 4 can also be used to drive the scattering motor 42 and the scattering unit to move horizontally and toward the direction of the benzotriazole crystals in the discharging process, until each scattering needle 45 in the scattering unit is inserted into each falling benzotriazole crystal, and then the scattering motor 42 is started to rotate its rotating shaft, and then the base 44 is used to drive each scattering needle 45 to rotate around the central axis of the base 44, thereby further scattering the falling benzotriazole crystals; the limiting hole 461 can effectively prevent each scattering needle 45 from bending outward due to centrifugal force during rotation.

[0051] After the discharging is completed, the telescopic end of the cut-off cylinder 291 is first driven to extend outward to drive the cut-off plate 292 to move backward, and then according to the same principle, the end opening of each discharge nozzle 25 is first cut off and sealed to stop the discharging; then the scattering motor 42 is turned off and the rodless cylinder 43 is used to drive the scattering motor 42 and the scattering unit to move in the opposite direction to reset; then the telescopic end of the material receiving cylinder 32 in the material receiving assembly 3 is driven inward to retract to drive the material receiving box to move backward and take it away with the help of the support plate 31; at the same time, the telescopic end of the material control cylinder 27 is driven to retract inward or extend outward to drive the valve plate strip 26 to move horizontally, until each valve hole 261 is staggered with a corresponding blanking hole 231 again so that the valve plate strip 26 seals each blanking hole 231.

[0052] Since the number of the blanking hole combination, the discharge nozzle combination, the control valve, the scattering component 4, the scattering unit, the cutter 29 and the material receiving component 3 is set to two, a single one or two of them can be used alternately as needed, which is flexible and convenient to operate.

[0053] In the present utility model, a rotatable stirring plate 211 is arranged inside a cuboid bin 22 to break up agglomerated and relatively large benzotriazole crystals. Meanwhile, the breaking-up assembly 4 can further break up the benzotriazole crystals during the discharging process and evenly disperse the benzotriazole crystals in the receiving box to avoid excessive accumulation. Thus, the discharging process and the breaking-up process are combined to complete, and there is no need to frequently transfer the benzotriazole crystals, thereby simplifying the operation process to achieve the effect of saving time and effort, and further improving the production efficiency.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A discharging device for benzotriazole crystals, characterized in that, It includes a table frame and a main body provided at the front side of the top of the table frame; The main body includes a frame fixed on the table frame and a cuboid material bin fixed inside the frame. A rectangular discharge chute is formed at the bottom of the cuboid material bin; The main body further includes a stirring plate provided at the lower side inside the cuboid material bin and above the opening at the root of the rectangular discharge chute, a stirring rod horizontally fixed in the middle of the stirring plate, and a stirring motor fixed on the outer wall of the left or right side of the cuboid material bin. The two ends of the stirring rod are respectively rotatably inserted and connected to the left and right sides of the cuboid material bin. The rotating shaft of the stirring motor is horizontally arranged and concentrically fixed at the left or right end of the stirring rod; A plurality of guide material notches are evenly distributed at equal intervals from left to right are provided at the front and rear edges of the stirring plate; The main body further includes a sealing plate horizontally fixed at the opening of the end of the rectangular discharge chute and a pressing strip horizontally fixed below the sealing plate. Two symmetrically distributed blanking hole combinations are provided in the sealing plate. Correspondingly, two symmetrically distributed discharge nozzle combinations are embedded in the pressing strip; The blanking hole combination includes a plurality of blanking holes arranged in sequence from left to right. Correspondingly, the discharge nozzle combination includes the same number of discharge nozzles arranged in sequence from left to right. The opening at the root of each discharge nozzle is provided directly below a corresponding blanking hole; The main body further includes two control valves symmetrically provided on the left and right sides of the pressing strip. The control valve includes a valve plate strip horizontally and movably inserted between the sealing plate and the pressing strip and a material control cylinder fixed on the frame. The telescopic end of the material control cylinder is horizontally arranged and directed towards the pressing strip and fixed at the outer end of the valve plate strip; A plurality of valve holes are arranged in sequence from left to right in the valve plate strip. The number of valve holes is equal to the number of blanking holes. The center distance between any two adjacent valve holes is equal to the center distance between any two adjacent blanking holes.

2. The discharging device for a benzotriazole crystal according to claim 1, characterized in that, Two symmetrically distributed dispersing components are further provided on the front side of the table frame. The dispersing component includes a side frame fixed on the table frame, a rodless cylinder fixed on the side frame, a dispersing motor fixed on the moving end of the rodless cylinder to have a left and right reciprocating movement function by means of the rodless cylinder, and a dispersing unit provided on the rotating shaft of the dispersing motor. The rotating shafts of the dispersing motors in the two dispersing components are horizontally arranged and oppositely disposed.

3. The discharging device for a benzotriazole crystal according to claim 2, characterized in that, The dispersing unit includes a base concentrically fixed on the rotating shaft of the dispersing motor and at least two dispersing needles horizontally fixed at the end of the base. At least two dispersing needles are evenly arranged at equal angles along the circumferential direction around the central axis of the base.

4. The discharging device for a benzotriazole crystal according to claim 3, characterized in that, The dispersing unit in the left dispersing component is provided below the left discharge nozzle combination, and the dispersing unit in the right dispersing component is provided below the right discharge nozzle combination.

5. The discharging device for a benzotriazole crystal according to claim 1, characterized in that, The main body further includes a cross beam horizontally fixed to the front side of the bottom of the frame, and two cutters disposed on the cross beam, distributed left and right respectively, and respectively cooperating with the two discharge nozzle assemblies. The cutter includes a cutting cylinder fixed to the cross beam and vertically adjustable in terms of the up and down fixing height, and a cutting plate horizontally fixed to the telescopic end of the cutting cylinder. The telescopic end of the cutting cylinder is horizontally arranged backward, and the top of the cutting plate cooperates with the end opening of each discharge nozzle in the corresponding discharge nozzle assembly.

6. The discharging device for a benzotriazole crystal according to claim 2, characterized in that, The top of the table frame is further provided with two receiving assemblies respectively distributed left and right and respectively cooperating with the two dispersing assemblies. The receiving assembly includes a tray horizontally and movably connected to the table frame to have the function of moving back and forth and lower than the dispersing unit in the corresponding dispersing assembly, and a receiving cylinder fixed to the table frame. The telescopic end of the receiving cylinder is horizontally arranged forward and fixed to the tray.

7. The discharging device for a benzotriazole crystal according to claim 3, characterized in that, The dispersing assembly further includes a baffle fixed to the bottom of the frame and inside the base in the dispersing unit. A limiting hole is formed in the baffle, and each dispersing needle is horizontally inserted into the limiting hole.

8. The discharging device for a benzotriazole crystal according to claim 1, characterized in that, A transparent plate is further embedded in the front side of the cuboid material bin, and a detachable bin cover is further provided at the top opening of the cuboid material bin.

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