Quantitative proportioning device for preparing macromolecular mining flame retardant

Abstract

The quantitative proportioning device comprises a mixing tank, a feeding device and a stirring device, a stirring cavity is formed in the mixing tank, the feeding device comprises a plurality of storage tanks, a sleeve and an auger, the auger is arranged in the sleeve, a discharging port of the sleeve is connected with a feeding port of the mixing tank, and the stirring device is arranged in the mixing tank. The stirring device is arranged in the stirring cavity and comprises a speed reducer, a linkage rod, a plurality of stirring rods and a gear set, the first end of the linkage rod is fixedly connected with the speed reducer, the stirring rods are uniformly distributed around the linkage rod, the stirring rods are connected with the linkage rod through the gear set, and the second end of the linkage rod is fixedly connected with an auger; and the speed reducer drives the linkage rod, the stirring rod and the auger to rotate synchronously. The flame retardant stirring device can be used for fully mixing and stirring flame retardants. And by arranging the linkage rod, the stirring rod can be linked with the packing auger only through one driving mechanism, and feeding conveying and stirring can be carried out at the same time.

Description

Technical Field

[0001] The invention relates to the technical field of mixed ingredients, in particular to a quantitative proportioning device for preparing a polymer flame retardant for mining. Background Art

[0002] Additive flame retardants are added to polymers through mechanical mixing to make the polymers flame retardant. Additive flame retardants mainly include organic flame retardants and inorganic flame retardants. Organic flame retardants mainly include bromine series, phosphorus-nitrogen series, nitrogen series, red phosphorus and compounds. Inorganic flame retardants mainly include antimony trioxide, magnesium hydroxide, aluminum hydroxide, silicon series, etc.

[0003] When flame retardants are mixed, they need to be mixed and stirred. During the mixing process, a relatively single stirring device is usually used. Due to the multiple materials, the mixing may not be uniform. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art to at least a certain extent. To this end, an embodiment of the present invention provides a quantitative proportioning device for preparing a polymer flame retardant for mining, which can improve the uniformity of mixing.

[0005] The embodiment of the present invention provides a quantitative proportioning device for preparing a polymer flame retardant for mining, comprising: a mixing tank, a feeding device and a stirring device, wherein the mixing tank is arranged in a horizontal direction, a stirring chamber is arranged inside the mixing tank, and the stirring chamber has a feeding port and a discharging port; the feeding device comprises a storage tank, a sleeve and an auger, the auger is arranged in the sleeve, the sleeve has a feeding port and a discharging port, the discharging port of the sleeve is connected to the feeding port of the mixing tank, the auger is arranged in a horizontal direction, a plurality of storage tanks are provided, the storage tanks are connected to the feeding port of the sleeve, and the feeding port of the sleeve is located in the sleeve The upper end of the cylinder; the stirring device is arranged in the stirring chamber, the stirring device includes a reducer, a connecting rod, a stirring rod and a gear set, the connecting rod has a first end and a second end in the horizontal direction, the first end of the connecting rod is fixedly connected to the output end of the reducer, the reducer is installed at the end of the outer side of the mixing tank, a plurality of stirring rods are provided and are evenly distributed around the connecting rod, the outer periphery of the stirring rod is fixedly connected with stirring blades, the stirring rod and the connecting rod are connected by a gear set, the second end of the connecting rod is fixedly connected to the auger, and the reducer drives the connecting rod, the stirring rod and the auger to rotate synchronously.

[0006] In some embodiments, the gear set is connected to the first end of the connecting rod, and the reducer drives the connecting rod and the gear set to rotate synchronously; the gear set is a planetary gear set, including a ring gear, a sun gear and a planetary gear. The ring gear is fixedly connected to one end of the mixing tank close to the reducer, and the sun gear and the planetary gears are arranged on the inner side of the ring gear. There are several planetary gears, each of which is connected to a stirring rod. The planetary gears are arranged around the sun gear, and the planetary gears are meshed with the sun gear and the ring gear at the same time. The center of the sun gear is fixedly connected to the connecting rod, and the center of the planetary gear is fixedly connected to the stirring rod.

[0007] In some embodiments, the quantitative proportioning device further includes a first turntable and a second turntable, the first turntable is disposed at one end of the mixing tank close to the reducer, the first turntable is located between the gear ring and the reducer, the first turntable is rotatably connected to the end of the mixing tank through a bearing, a linkage rod passes through the center of the first turntable and is fixedly connected to the first turntable, one end of each stirring rod is respectively fixedly connected to the first turntable, the rotation of the first turntable drives all stirring rods to rotate with the linkage rod as the axis, and at the same time, the stirring rod rotates with itself as the axis;

[0008] The second turntable is rotatably connected to the feed port of the mixing tank through a bearing, the stirring rod and the second turntable are rotatably connected through a bearing, a feed hole is opened at the center of the second turntable, and the connecting rod passes through the feed hole and is rotatably connected to the end of the sleeve away from the reducer through a bearing.

[0009] In some embodiments, both ends of the mixing tank are fixedly connected to support frames, and an oblique brace is fixedly connected between the bottom of the feeding end of the sleeve and the bottom of the support frame away from the reducer.

[0010] In some embodiments, a flow meter and an electronic valve are connected between each of the storage tanks and the sleeve, and the flow meter and the electronic valve are electrically connected to control the feed amount.

[0011] In some embodiments, the discharge port of the mixing tank is disposed at the bottom of the mixing tank, the discharge port of the mixing tank is connected to a discharge pipe, and the discharge pipe is connected to a control valve.

[0012] In some embodiments, an exhaust port is provided on the top of the mixing tank, and the exhaust port is connected to a gas processing device.

[0013] In some embodiments, a heat exchange chamber is embedded in the inner wall of the mixing tank, the heat exchange chamber is connected to a heat source through a circulation pipeline, a flow control valve is provided on the circulation pipeline, the stirring chamber is connected to a thermocouple, and the thermocouple is electrically connected to the flow control valve.

[0014] In some embodiments, the heat source is factory waste heat.

[0015] In some embodiments, the outer wall of the mixing tank has an insulation layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings.

[0017] in:

[0018] Figure 1 It is a structural schematic diagram of a quantitative proportioning device for preparing a polymer flame retardant for mining in an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of a quantitative proportioning device for preparing a polymer flame retardant for mining in an embodiment of the present invention;

[0020] Figure 3 for Figure 1 Schematic diagram of the internal structure;

[0021] Figure 4 for Figure 1 Schematic diagram of heat exchange between the mixing tank and the heat source;

[0022] Reference numerals:

[0023] 1. Storage tank; 2. Sleeve; 3. Diagonal support; 4. Support frame; 5. Mixing tank; 51. Insulation layer; 52. Heat exchange chamber; 6. Exhaust port; 7. Speed ​​reducer; 8. Discharge pipe; 9. Auger; 10. Stirring rod; 11. Stirring blade; 12. Gear set; 121. Planetary gear; 122. Sun gear; 123. Ring gear; 13. First turntable; 14. Linking rod; 15. Heat source. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0025] The following describes a quantitative proportioning device for preparing a polymer flame retardant for mining according to an embodiment of the present invention with reference to the accompanying drawings.

[0026] like Figure 1-4As shown, the embodiment of the present invention proposes a quantitative proportioning device for preparing a polymer flame retardant for mining, comprising: a mixing tank 5, a feeding device and a stirring device. The mixing tank 5 is arranged in a horizontal direction, and a stirring chamber is arranged inside the mixing tank 5, and the stirring chamber has a feeding port and a discharging port; the feeding device comprises a storage tank 1, a sleeve 2 and an auger 9, the auger 9 is arranged in the sleeve 2, the sleeve 2 has a feeding port and a discharging port, and the discharging port of the sleeve 2 is connected to the feeding port of the mixing tank 5, the auger 9 is arranged in a horizontal direction, and a plurality of storage tanks 1 are provided, and the storage tank 1 is connected to the feeding port of the sleeve 2, and the feeding port of the sleeve 2 is located at the upper end of the sleeve 2; the stirring device is arranged In the stirring chamber, the stirring device includes a reducer 7, a connecting rod 14, a stirring rod 10 and a gear set 12. The connecting rod 14 has a first end and a second end in the horizontal direction. The first end of the connecting rod 14 is fixedly connected to the output end of the reducer 7. The reducer 7 is installed at the end of the outer side of the mixing tank 5. A plurality of stirring rods 10 are provided and are evenly distributed around the connecting rod 14. The outer periphery of the stirring rod 10 is fixedly connected with a stirring blade 11. The stirring rod 10 and the connecting rod 14 are connected by the gear set 12. The second end of the connecting rod 14 is fixedly connected to the auger 9. The reducer 7 drives the connecting rod 14, the stirring rod 10 and the auger 9 to rotate synchronously.

[0027] The embodiment of the present invention can pre-mix multiple flame retardants in the auger 9 by providing the auger 9, the mixing tank 5, the linkage rod 14, the stirring rod 10 and the gear set 12, and then transport them to the mixing tank 5 to fully mix and stir the flame retardants by using the linkage rod 14, the stirring rod 10 and the gear set 12. By providing the linkage rod 14, only one driving mechanism is required to link the stirring rod 10 with the auger 9, so that feeding, conveying and stirring can be performed simultaneously. By providing the reducer 7, the stirring speed can be adjusted.

[0028] In some embodiments, Figure 2-3 As shown, the gear set 12 is connected to the first end of the linkage rod 14, and the reducer 7 drives the linkage rod 14 to rotate synchronously with the gear set 12; the gear set 12 is a planetary gear set, including a ring gear 123, a sun gear 122 and a planetary gear 121, the ring gear 123 is fixedly connected to one end of the mixing tank 5 close to the reducer 7, the sun gear 122 and the planetary gear 121 are arranged on the inner side of the ring gear 123, and there are a plurality of planetary gears 121, each of which is connected to a stirring rod 10, and the planetary gears 121 are arranged around the sun gear 122, and the planetary gears 121 are meshed with the sun gear 122 and the ring gear 123 at the same time, the center of the sun gear 122 is fixedly connected to the linkage rod 14, and the center of the planetary gear 121 is fixedly connected to the stirring rod 10. It can achieve simultaneous stirring of all stirring rods 10.

[0029] In some embodiments, Figure 2-3As shown, the quantitative proportioning device also includes a first turntable 13 and a second turntable. The first turntable 13 is arranged at one end of the mixing tank close to the reducer 7. The first turntable 13 is located between the ring gear 123 and the reducer 7. The first turntable 13 is rotatably connected to the end of the mixing tank 5 through a bearing. The connecting rod 14 passes through the center of the first turntable 13 and is fixedly connected to the first turntable 13. One end of each stirring rod 10 is respectively fixedly connected to the first turntable 13. The rotation of the first turntable 13 drives all the stirring rods 10 to rotate with the connecting rod 14 as the axis, and the stirring rod 10 rotates with itself as the axis.

[0030] The second turntable is rotatably connected to the feed port of the mixing tank 5 through a bearing, the stirring rod 10 is rotatably connected to the second turntable through a bearing, a feed hole is opened at the center of the second turntable, and the connecting rod 14 passes through the feed hole and is rotatably connected to the end of the sleeve 2 away from the reducer 7 through a bearing.

[0031] By providing the first rotating disk 13 and the second rotating disk, the stirring rod 10 can be rotated around itself as the axis while revolving around the linkage rod 14, so that the flame retardant can be further fully mixed and stirred.

[0032] In some embodiments, Figure 1-2 As shown, the two ends of the mixing tank 5 are respectively fixedly connected with support frames 4, and the bottom of the feeding end of the sleeve 2 and the bottom of the support frame 4 away from the reducer 7 are fixedly connected with the diagonal brace 3. The stability of the overall device can be improved.

[0033] In some embodiments, a flow meter and an electronic valve are connected between each storage tank 1 and the sleeve 2, and the flow meter and the electronic valve are electrically connected to control the feed amount.

[0034] In some embodiments, Figure 1-2 As shown, the discharge port of the mixing tank 5 is arranged at the bottom of the mixing tank 5, and the discharge port of the mixing tank 5 is connected to the discharge pipe 8, and the discharge pipe 8 is connected to the control valve, so that the mixed flame retardant can be discharged.

[0035] In some embodiments, Figure 1-2 As shown, the top of the mixing tank 5 is provided with an exhaust port 6, and the exhaust port 6 is connected to a gas treatment device. After the mixing tank 5 is filled with flame retardant, the gas pressure in the tank will increase, and proper exhaust is required. Since the exhausted gas may be mixed with dust and may also have a pungent smell, a gas treatment device is provided to prevent the exhausted gas from polluting the atmosphere.

[0036] In some embodiments, Figure 4As shown, a heat exchange chamber 52 is embedded in the inner wall of the mixing tank 5, and the heat exchange chamber 52 is connected to the heat source 15 through a circulation pipeline. A flow control valve is provided on the circulation pipeline, and a thermocouple is connected to the stirring chamber, and the thermocouple is electrically connected to the flow control valve. In the process of mixing the flame retardant, it is sometimes necessary to improve the mixing efficiency by heating. The heat exchange chamber 52 can make the materials in the mixing tank 5 more evenly heated. By setting a thermocouple and a flow control valve, the temperature in the stirring chamber is monitored by the thermocouple, and the thermocouple can transmit the temperature information to the flow control valve, and then the heat medium entering the heat exchange chamber 52 is adjusted by adjusting the flow control valve.

[0037] Furthermore, a pump body is provided on the circulation pipeline to promote the flow of the heat exchange medium.

[0038] In some embodiments, the heat source 15 is waste heat from a factory, which can be fully utilized to recycle resources and reduce energy consumption.

[0039] In some embodiments, Figure 4 As shown, the outer wall of the mixing tank 5 has a heat insulation layer 51. The mixing tank 5 can be kept warm to reduce heat loss.

[0040] It should be noted that the quantitative proportioning device for preparing polymer flame retardants for mining in this article is not only limited to coal mining purposes, but can also be used for mixing and proportioning materials in other fields, such as industry, agriculture, chemical industry, animal husbandry, biology, food, pharmaceuticals, construction and other fields.

[0041] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present invention, the term "some embodiments" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments and features of the different embodiments described in this specification without contradiction.

[0044] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A quantitative proportioning device for preparing a polymer flame retardant for mining, characterized in that: include: A mixing tank, the mixing tank is arranged in a horizontal direction, a stirring chamber is arranged inside the mixing tank, and the stirring chamber has a feed inlet and a discharge port; A feeding device, the feeding device comprises a storage tank, a sleeve and an auger, the auger is arranged in the sleeve, the sleeve has a feed port and a discharge port, the discharge port of the sleeve is connected to the feed port of the mixing tank, the auger is arranged in a horizontal direction, the storage tank is provided with a plurality of storage tanks, the storage tank is connected to the feed port of the sleeve, and the feed port of the sleeve is located at the upper end of the sleeve; A stirring device, wherein the stirring device is arranged in the stirring chamber, and the stirring device comprises a reducer, a connecting rod, a stirring rod and a gear set. The connecting rod has a first end and a second end in the horizontal direction, and the first end of the connecting rod is fixedly connected to the output end of the reducer. The reducer is installed at the end of the outer side of the mixing tank. The stirring rods are provided with a plurality of stirring rods and are evenly arranged around the connecting rod. The outer periphery of the stirring rod is fixedly connected with stirring blades. The stirring rod and the connecting rod are connected through the gear set. The second end of the connecting rod is fixedly connected to the auger. The reducer drives the connecting rod, the stirring rod and the auger to rotate synchronously.

2. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: The gear set is connected to the first end of the connecting rod, and the reducer drives the connecting rod and the gear set to rotate synchronously; the gear set is a planetary gear set, including a ring gear, a sun gear and planetary gears, the ring gear is fixedly connected to one end of the mixing tank close to the reducer, the sun gear and the planetary gears are arranged on the inner side of the ring gear, and a plurality of planetary gears are provided, each of which is connected to a stirring rod respectively, and the planetary gears are arranged around the sun gear, and the planetary gears are meshed with the sun gear and the ring gear at the same time, the center of the sun gear is fixedly connected to the connecting rod, and the center of the planetary gear is fixedly connected to the stirring rod.

3. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 2, characterized in that: It also includes a first rotating disk and a second rotating disk, wherein the first rotating disk is disposed at one end of the mixing tank close to the reducer, the first rotating disk is located between the gear ring and the reducer, the first rotating disk is rotatably connected to the end of the mixing tank through a bearing, the linkage rod passes through the center of the first rotating disk and is fixedly connected to the first rotating disk, one end of each of the stirring rods is respectively fixedly connected to the first rotating disk, the rotation of the first rotating disk drives all the stirring rods to rotate with the linkage rod as the axis, and the stirring rods rotate with themselves as the axis; The second turntable is rotatably connected to the feed port of the mixing tank via a bearing, the stirring rod and the second turntable are rotatably connected via a bearing, a feed hole is provided at the center of the second turntable, and the connecting rod passes through the feed hole and is rotatably connected to the end of the sleeve away from the reducer via a bearing.

4. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: The two ends of the mixing tank are respectively fixedly connected with support frames, and an oblique brace is fixedly connected between the bottom of the feeding end of the sleeve and the bottom of the support frame away from the reducer.

5. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: A flow meter and an electronic valve are connected between each of the storage tanks and the sleeve, and the flow meter and the electronic valve are electrically connected to control the feed amount.

6. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: The discharge port of the mixing tank is arranged at the bottom of the mixing tank, the discharge port of the mixing tank is connected to a discharge pipe, and the discharge pipe is connected to a control valve.

7. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: An exhaust port is provided on the top of the mixing tank, and the exhaust port is connected to a gas processing device.

8. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 1, characterized in that: A heat exchange chamber is embedded in the inner wall of the mixing tank, the heat exchange chamber is connected to a heat source through a circulation pipeline, a flow control valve is arranged on the circulation pipeline, the stirring chamber is connected to a thermocouple, and the thermocouple is electrically connected to the flow control valve.

9. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 8, characterized in that: The heat source is waste heat from the factory.

10. The quantitative proportioning device for preparing a polymer flame retardant for mining according to claim 8, characterized in that: The outer wall of the mixing tank has a heat insulation layer.

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