Polymerizing kettle stirring equipment for intermittent polymerization production of butyronitrile latex

Abstract

The utility model discloses polymerization kettle stirring equipment for intermittent polymerization production of butyronitrile latex, which comprises a bottom plate, a polymerization kettle body, a polymerization kettle cover attached to the upper end of the polymerization kettle body, a scraping support fixedly connected to the lower end of a mixing rod, and a fixing mechanism, the fixing mechanisms are arranged at the upper end of the polymerization kettle body at equal angles, the connecting columns are fixedly connected to the left end and the right end of the polymerization kettle body respectively, and the connecting columns drive the polymerization kettle body through the fixing rods to form a front-back swing structure at the upper end of the bottom plate. According to the polymerization kettle stirring equipment for producing butyronitrile latex through intermittent polymerization, materials in the polymerization kettle body can be fully stirred, accumulation is prevented, the more sufficient mixing effect is achieved, the polymerization kettle cover and the polymerization kettle body can be conveniently detached, and therefore the interior of the kettle body can be fully cleaned after use is finished, and the production efficiency is improved. The residue is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production related technical field of nitrile latex, specifically to a polymerization kettle stirring equipment for intermittent polymerization production nitrile latex. BACKGROUND

[0002] Nitrile latex refers to the latex prepared by butadiene and acrylonitrile emulsion polymerization, and according to the mass percentage content of acrylonitrile, nitrile latex can be divided into high nitrile, medium nitrile and low nitrile, nitrile latex can be used to make oil-resistant products, industrial adhesives, coating substrates, textile adhesives and printing ink substrates, etc., and is widely used. In the production and processing of nitrile latex, the raw materials need to be fully mixed by means of polymerization kettle stirring equipment;

[0003] For example, the patent authorized announcement No. CN217568750U, authorized announcement date is October 14, 2022, discloses a high-efficiency polymerization kettle for nitrile latex production, relating to polymerization kettle device field, including polymerization kettle body and support leg, the polymerization kettle body includes an integrally formed convex part, the polymerization kettle body is equipped with feed inlet and discharge port, the polymerization kettle body is equipped with the mixing structure for stirring the nitrile latex polymerization raw materials, the mixing structure includes the main rotating shaft which can rotate freely at the center of the polymerization kettle body, the main rotating shaft is uniformly distributed with the secondary rotating shaft which can rotate around the center, the mixing structure can turn the raw materials accumulated at the bottom of the polymerization kettle body to the upper part, thereby improving the mixing effect of acrylonitrile and butadiene and other raw materials, at the same time, acrylonitrile and butadiene and other raw materials will become viscous when copolymerization, using the mixing structure can exert a horizontal shear force on them, so as not to make the raw materials rotate in one direction, thereby further improving the mixing effect of acrylonitrile and butadiene and other raw materials;

[0004] However, in the prior art, only the stirring rod is used to stir the materials in the kettle body, the stirring effect is not sufficient, the materials are easy to adhere to the inside of the kettle body and accumulate, even causing blockage of the discharge port, and it is not convenient to disassemble and clean the inside of the kettle body after use, which is prone to residue. For example, the above-mentioned comparative patent has this problem;

[0005] Therefore, we propose a polymerization kettle stirring equipment for intermittent polymerization production of nitrile latex to solve the above problems. Utility model content

[0006] The utility model discloses a purpose at providing a kind of for intermittent polymerization production nitrile latex polymerizer stirring equipment, to solve the problem of above-mentioned background art in prior art, only by stirring rod to the material inside kettle body is stirred, stirring effect is not sufficient, material is easily adhered in the inside of kettle body, accumulation occurs, even to discharge port causes blockage, and it is not convenient to the inside of kettle body is disassembled after use and cleaned, and it is easy to remain.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of for intermittent polymerization production nitrile latex polymerizer stirring equipment, including bottom plate, polymerization kettle body and the polymerization kettle cover that is attached to the upper end of the polymerization kettle body;

[0008] Further comprising:

[0009] Scraping support, the scraping support is fixedly connected at the lower end of mixed rod, and scraping support is attached to the inner side wall of polymerization kettle body;

[0010] Fixing mechanism, the fixing mechanism is equiangularly arranged at the upper end of polymerization kettle body, and the fixing mechanism is used for limiting between polymerization kettle body and polymerization kettle cover, the fixing mechanism drives polymerization kettle cover to constitute disassembly structure at the upper end of polymerization kettle body, and the lower end of polymerization kettle body is fixedly installed with discharge valve;

[0011] Connecting column, the connecting column is fixedly connected at the left and right ends of polymerization kettle body respectively, and the connecting column drives polymerization kettle body to constitute front and back swing structure at the upper end of bottom plate by fixed rod.

[0012] Preferably, the left and right ends of the bottom plate are fixedly connected with support plates, and the upper ends of the support plates are rotatably connected with connecting columns.

[0013] Preferably, the upper right end of the polymerization kettle cover is provided with a charging port, and the upper end of the polymerization kettle cover is fixedly installed with a motor, the motor is connected with the mixing rod through a shaft coupling and a speed reducer, and the motor drives the mixing rod and the scraping support to rotate in the polymerization kettle body.

[0014] Preferably, the fixing mechanism includes a support block fixedly connected at the upper end edge of the polymerization kettle body, a limiting rod hingedly connected at the middle part of the support block, and a fixing cap for locking and limiting.

[0015] Preferably, the limiting rod constitutes a turnover structure at the upper end of the polymerization kettle body, and the limiting rod is connected with the edge of the lower end of the polymerization kettle cover through a clamping groove, and the upper end of the limiting rod is threadedly connected with the fixing cap.

[0016] Preferably, the fixing cap is attached to the lower end of the polymerization kettle cover.

[0017] Preferably, the right upper end of the support plate is fixedly provided with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with a movable block, the movable block is rotatably connected with a movable sleeve, and the movable sleeve is sleeved on the outer surface of the fixed rod.

[0018] Preferably, the movable sleeve and the fixed rod form a sliding structure, and the fixed rod is fixedly connected to the lower end of the right connecting column.

[0019] Compared with the prior art, the polymeric kettle stirring device for intermittent polymerization production of nitrile rubber latex has the following beneficial effects: the mixing rod and the scraping support rotate in the interior of the polymeric kettle body, the scraping support is attached to the inner side of the polymeric kettle body, so that the material in the interior of the polymeric kettle body can be fully stirred and prevented from piling up; the setting of the movable block, the movable sleeve and the fixed rod drives the connecting column and the support plate to rotate, and further drives the polymeric kettle body to swing at the upper end of the bottom plate, so that a more sufficient mixing effect is achieved; and the setting of the fixing mechanism facilitates disassembly of the polymeric kettle cover and the polymeric kettle body, so that the interior of the kettle body can be fully cleaned after use to prevent residue.

[0020] 1. The mixing rod and the scraping support rotate in the polymeric kettle body, and the scraping support is attached to the inner side of the polymeric kettle body, so that the material adhered to the interior of the polymeric kettle body can be scraped off, and the material is prevented from piling up at the bottom of the polymeric kettle body.

[0021] 2. The fixing mechanism is equiangularly arranged at the upper end of the polymeric kettle body, and the fixing mechanism comprises a supporting block, a limiting rod and a fixing cap, so that the polymeric kettle cover and the polymeric kettle body can be disassembled, and the interior of the polymeric kettle body can be fully cleaned to prevent residue.

[0022] 3. The connecting column is driven by the movable block, the movable sleeve and the fixed rod to rotate at the upper end of the support plate, and further drives the polymeric kettle body to swing at the upper end of the bottom plate, so that a better mixing effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the utility model;

[0024] Figure 2 It is a top view structure schematic view of the utility model;

[0025] Figure 3 It is a front view cut structure schematic view of the polymeric kettle body, the mixing rod and the scraping support of the utility model;

[0026] Figure 4The utility model discloses a polymerizer kettle body, polymerizer kettle cover, mixing rod and scraping support dismounting and decomposing structure schematic diagram.

[0027] Figure 5 The utility model discloses Figure 1 The enlarged structure schematic diagram of A place in the middle,

[0028] Figure 6 The utility model discloses an electric telescopic rod, movable block, movable sleeve, fixed rod and connecting column structure schematic diagram of looking up.

[0029] In the drawing: 1, bottom plate, 2, support plate, 3, polymerizer kettle body, 4, polymerizer kettle cover, 5, feeding opening, 6, motor, 7, mixing rod, 8, scraping support, 9, unloading valve, 10, fixed mechanism, 11, support block, 12, limiting rod, 13, fixed cap, 14, connecting column, 15, electric telescopic rod, 16, movable block, 17, movable sleeve, 18, fixed rod. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to Figures 1-6 The utility model provides the following technical scheme.

[0032] Embodiment 1: in order to solve the problem that only the material in the kettle body is stirred by the stirring rod in the prior art, the stirring effect is insufficient, therefore, the following technical scheme is used in this embodiment, a kind of polymerization kettle stirring equipment for intermittent polymerization production nitrile latex, it is provided with bottom plate 1, support plate 2, polymerizer kettle body 3, polymerizer kettle cover 4, feeding opening 5, motor 6, mixing rod 7, connecting column 14, electric telescopic rod 15, movable block 16, movable sleeve 17 and fixed rod 18, as Figure 1 、 Figure 3 And Figure 6As shown, the left and right ends of the bottom plate 1 are fixedly connected with support plates 2, the upper ends of the support plates 2 are rotatably connected with connecting columns 14, the right upper end of each support plate 2 is fixedly installed with an electric telescopic rod 15, the output end of each electric telescopic rod 15 is fixedly connected with a movable block 16, the movable block 16 is rotatably connected with a movable sleeve 17, the movable sleeve 17 is sleeved on the outer surface of a fixed rod 18, a sliding structure is formed between the movable sleeve 17 and the fixed rod 18, the lower end of the right connecting column 14 is fixedly connected with the fixed rod 18, after the material is added into the polymeric kettle body 3 through the charging port 5, the motor 6 installed on the upper end of the polymeric kettle cover 4 is started, the motor 6 drives the mixing rod 7 to stir the material in the polymeric kettle body 3, at the same time in the actual mixing process, the electric telescopic rod 15 is started, the electric telescopic rod 15 drives the movable block 16 to move forward and backward, at this time the movable block 16 rotates with the movable sleeve 17, thereby driving the movable sleeve 17 to slide with the fixed rod 18, the fixed rod 18 drives the connecting column 14 to rotate at the upper end of the support plate 2, thereby driving the polymeric kettle body 3 to swing forward and backward at the upper end of the bottom plate 1, so that the material in the polymeric kettle body 3 achieves a more sufficient mixing effect.

[0033] Example 2: The existing polymeric kettle stirring equipment, the material is easy to adhere to the inside of the kettle body, and accumulation occurs, and even causes blockage of the discharge port, therefore, the mixing rod 7 and the scraping bracket 8 are arranged, like Figure 3 As shown, the lower end of the mixing rod 7 is fixedly connected with the scraping bracket 8, and the scraping bracket 8 is attached to the inner wall of the polymeric kettle body 3, in the stirring process of the material by the mixing rod 7, the scraping bracket 8 is driven to rotate in the inside of the polymeric kettle body 3, thereby being able to scrape the material adhered to the inner wall of the polymeric kettle body 3, and at the same time preventing the material from accumulating at the bottom of the polymeric kettle body 3 and causing blockage of the discharge port, after the mixing is completed, the power is turned off, and the material is discharged by opening the discharge valve 9 installed at the lower end of the polymeric kettle body 3.

[0034] Example 3: The existing polymeric kettle stirring equipment is inconvenient to disassemble and clean the inside of the kettle body after use, and is easy to leave residues, therefore, the fixing mechanism 10 is arranged, the fixing mechanism 10 is equiangularly arranged at the upper end of the polymeric kettle body 3, and the fixing mechanism 10 comprises a support block 11 fixedly connected at the edge of the upper end of the polymeric kettle body 3, a limiting rod 12 hingedly connected at the middle of the support block 11, and a fixing cap 13 for locking and limiting, the limiting rod 12 forms a turnover structure at the upper end of the polymeric kettle body 3, and is clamped and connected with a slot at the edge of the lower end of the polymeric kettle cover 4, the upper end of the limiting rod 12 is threadedly connected with the fixing cap 13, and the fixing cap 13 is attached to the lower end of the polymeric kettle cover 4, like Figure 1 , Figure 4 and Figure 5As shown, the fixed cap 13 is screwed on the outer surface of the limiting rod 12, the fixed cap 13 is moved upward and separated from the polymerizer cover 4, and then the limiting of the limiting rod 12 is loosened, the limiting rod 12 is turned over, the limiting rod 12 is rotated in the middle of the supporting block 11, at this time, the limiting rod 12 and the fixed cap 13 are separated from the polymerizer cover 4, and then the limiting between the polymerizer cover 4 and the polymerizer cover body 3 is loosened, then the polymerizer cover 4 is pulled up, the polymerizer cover 4 is detached from the upper end of the polymerizer cover body 3, at the same time, the mixing rod 7 and the scraping support 8 are pulled out of the polymerizer cover body 3, and then the polymerizer cover body 3 and the polymerizer cover 4, the mixing rod 7 and the scraping support 8 are cleaned thoroughly, and the residual is prevented.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A polymerization kettle stirring device for intermittent polymerization production of nitrile latex, comprising a bottom plate (1), a polymerization kettle body (3) and a polymerization kettle cover (4) attached to the upper end of the polymerization kettle body (3); characterized in that Further comprising: a scraping support (8) fixedly connected to the lower end of the mixing rod (7), and the scraping support (8) is attached to the inner side wall of the polymerization kettle body (3); a fixing mechanism (10) arranged at equal angles at the upper end of the polymerization kettle body (3), and the fixing mechanism (10) is used for limiting the polymerization kettle body (3) and the polymerization kettle cover (4), the fixing mechanism (10) drives the polymerization kettle cover (4) to constitute a disassembly structure at the upper end of the polymerization kettle body (3), and the lower end of the polymerization kettle body (3) is fixedly installed with a discharge valve (9), the fixing mechanism (10) comprises a support block (11) fixedly connected to the edge of the upper end of the polymerization kettle body (3), a limiting rod (12) hingedly connected to the middle part of the support block (11) and a fixing cap (13) for locking and limiting, the limiting rod (12) constitutes a turnover structure at the upper end of the polymerization kettle body (3), and the limiting rod (12) is clamped groove connected with the edge of the lower end of the polymerization kettle cover (4), the upper end of the limiting rod (12) is threadedly connected with the fixing cap (13), and the fixing cap (13) is attached to the lower end of the polymerization kettle cover (4); a connecting column (14) fixedly connected to the left and right ends of the polymerization kettle body (3), and the connecting column (14) drives the polymerization kettle body (3) to constitute a front and rear swinging structure at the upper end of the bottom plate (1) through a fixing rod (18).

2. The polymerizer stirring apparatus for batch polymerization of nitrile latex according to claim 1, characterized in that: The left and right ends of the bottom plate (1) are fixedly connected with support plates (2), and the upper end of the support plate (2) is rotatably connected with the connecting column (14).

3. The polymerizer stirring apparatus for batch polymerization of nitrile latex according to claim 1, characterized in that: The upper right end of the polymerization kettle cover (4) is provided with a feeding port (5), and the upper end of the polymerization kettle cover (4) is fixedly installed with a motor (6), the motor (6) is connected with the mixing rod (7) through a shaft coupling and a speed reducer, and the motor (6) drives the mixing rod (7) and the scraping support (8) to rotate in the polymerization kettle body (3).

4. The polymerizer stirring apparatus for batch polymerization of nitrile latex according to claim 2, characterized in that: The upper right end of the support plate (2) is fixedly installed with an electric telescopic rod (15), and the output end of the electric telescopic rod (15) is fixedly connected with a movable block (16), the movable block (16) and the movable sleeve (17) are rotatably connected, and the movable sleeve (17) is sleeved on the outer surface of the fixing rod (18).

5. The polymerizer stirring apparatus for batch polymerization of nitrile latex according to claim 4, characterized in that: The movable sleeve (17) and the fixing rod (18) constitute a sliding structure, and the fixing rod (18) is fixedly connected to the lower end of the right connecting column (14).

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