Feeding and mixing system for powder product production

Abstract

The utility model relates to the technical field of powder product processing equipment, in particular to a feeding and mixing system for powder product production, which comprises a dust-free screening and feeding station and a horizontal helical ribbon mixer. The dust-free screening and feeding station is connected with the horizontal helical ribbon mixer through pneumatic conveying, and the horizontal helical ribbon mixer is connected with the rear-end equipment through pneumatic conveying; a first material suction adapter is arranged below a spin vibration screen of the dust-free screening and feeding station and connected with a first pulse bag-type dust collector through a first conveying pipe, the first pulse bag-type dust collector is connected with a horizontal helical ribbon mixer, a stock bin is arranged below the horizontal helical ribbon mixer, a second material suction adapter is arranged at the bottom of the stock bin, and the second material suction adapter is connected with the horizontal helical ribbon mixer through a second conveying pipe. The second material suction adapter is connected with a second conveying pipe, the second conveying pipe is connected with a second pulse bag-type dust collector, and a discharge port of the second pulse bag-type dust collector is connected with rear-end equipment. The dust-free feeding and mixing system realizes dust-free feeding and mixing, runs continuously and stably, and is convenient to use in production.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder product processing equipment technical field, concretely relates to a powder product production feeding and mixing system. BACKGROUND

[0002] In the process of powder product processing, different powder materials are often compounded and mixed uniformly for the preparation of different products. In this process, different powder materials need to be fed into the mixing equipment, and after mixing, the uniformly mixed materials are transported to the backend equipment for metering, sterilization, dough making, and curing forming operations to complete the entire powder product production process.

[0003] In the traditional operation mode, powder materials are manually fed into the mixing equipment, and after mixing, they are transported to the backend by a screw conveyor. However, since manual feeding is used, a large amount of dust is generated during the process, which not only harms the health of workers but also poses a safety hazard of dust explosion.

[0004] Therefore, a processing equipment that can realize dust-free feeding and mixing during powder product processing is needed to solve the existing technical problems. SUMMARY

[0005] The utility model aims at the deficiency of the prior art, and provides a powder product production feeding and mixing system to achieve dust-free feeding and mixing.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a powder product production feeding and mixing system, comprising a dust-free screening and feeding station, the dust-free screening and feeding station is connected with a horizontal screw belt mixer through pneumatic conveying, and the horizontal screw belt mixer is connected with a backend equipment through pneumatic conveying.

[0007] Further, the dust-free screening and feeding station comprises a feeding bin, a dust removal device is arranged above the feeding bin, a rotary vibrating screen is arranged below the feeding bin, and the rotary vibrating screen is connected with the horizontal screw belt mixer through pneumatic conveying.

[0008] Further, the dust removal device comprises a dust removal fan, the dust removal fan is arranged above the top of the feeding bin, a filter element is arranged above the inside of the feeding bin, the dust removal fan is connected with the inside of the filter element, a pulse backflushing device is arranged on one side of the outside of the feeding bin, and the pulse backflushing device is connected with the inside of the filter element.

[0009] Further, the bottom of the rotary vibration screen is provided with a first suction adapter, the first suction adapter is connected with a first conveying pipe, the first conveying pipe is connected with an air inlet of a first pulse bag dust collector, an air outlet of the first pulse bag dust collector is connected with a first induced draft fan, and a discharge outlet of the first pulse bag dust collector is connected with a feed inlet of the horizontal screw belt mixer.

[0010] Further, the discharge outlet of the horizontal screw belt mixer is connected with a stock bin, and the stock bin is connected with a rear-end equipment through pneumatic conveying.

[0011] Further, the bottom of the stock bin is provided with a second suction adapter, the second suction adapter is connected with a second conveying pipe, the second conveying pipe is connected with an air inlet of a second pulse bag dust collector, an air outlet of the second pulse bag dust collector is connected with a second induced draft fan, and a discharge outlet of the second pulse bag dust collector is connected with the rear-end equipment.

[0012] The dust-free feeding station and the mixing machine are connected as shown in the utility model, the dust-free feeding station is connected with the first conveying pipe, the first conveying pipe is connected with the air inlet of the first pulse bag dust collector, the air outlet of the first pulse bag dust collector is connected with the first induced draft fan, the discharge outlet of the first pulse bag dust collector is connected with the feed inlet of the horizontal screw belt mixer, the discharge outlet of the horizontal screw belt mixer is connected with the stock bin, the stock bin is connected with the second conveying pipe, the second conveying pipe is connected with the air inlet of the second pulse bag dust collector, the air outlet of the second pulse bag dust collector is connected with the second induced draft fan, and the discharge outlet of the second pulse bag dust collector is connected with the rear-end equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a connection relationship drawing of the dust-free feeding station and the mixing machine of the utility model;

[0014] Fig. 2 is a connection relationship drawing of the mixing machine discharge equipment of the utility model.

[0015] Corresponding names of various marks in the drawing are as follows:

[0016] 1, dust-free screening and feeding station;11, feeding bin;111, feeding port;12, dust removal device;121, dust removal fan;122, filter element;123, pulse back flushing device;13, rotary vibration screen;131, first suction adapter;2, first conveying pipe;3, first pulse bag dust collector;4, first induced draft fan;5, horizontal screw belt mixer;51, discharge outlet;6, stock bin;61, second suction adapter;7, second conveying pipe;8, second pulse bag dust collector;9, second induced draft fan. DETAILED DESCRIPTION

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0018] Embodiments of this utility model:

[0019] like Figs. 1-2 As shown, in this embodiment, a dust-free screening and feeding station 1 is provided. The dust-free screening and feeding station 1 is connected to the horizontal ribbon mixer 5 via pneumatic conveying. The bottom of the horizontal ribbon mixer 5 is connected to the hopper 6, and the hopper 6 feeds the downstream equipment via pneumatic conveying.

[0020] In this embodiment, the dust-free screening and feeding station 1 includes a feeding bin 11, and a feeding port 111 is provided on one side of the feeding bin 11 for feeding materials. A bin door is provided at the feeding port 111, and the bin door can be opened and closed by a gas spring.

[0021] A dust removal device 12 is provided above the feeding hopper 11. The dust removal device 12 includes a dust removal fan 121 at the top of the feeding hopper 11. The dust removal fan 121 is connected to the inner side of the filter element 122 inside the feeding hopper 11. A pulse backflushing device 123 is provided on the outer side of the feeding hopper 11. The pulse backflushing device 123 is connected to the inner side of the filter element 122.

[0022] A vibrating screen 13 is installed below the feeding bin 11, and the bottom of the vibrating screen 13 is connected to the horizontal ribbon mixer 5 via pneumatic conveying.

[0023] In this embodiment, a first suction adapter 131 is provided at the bottom of the vibrating screen 13. The first suction adapter 131 is connected to the first conveying pipe 2. The first conveying pipe 2 is connected to the first pulse bag dust collector 3. The air outlet of the first pulse bag dust collector 3 is connected to the first induced draft fan 4. The discharge port of the first pulse bag dust collector 3 is connected to the feed port of the horizontal ribbon mixer 5. A ribbon is provided in the horizontal ribbon mixer 5. The ribbon mixes the powder under the drive of the motor. The mixed powder is discharged into the hopper 6 through the discharge port 51 below. An observation port is provided on the horizontal ribbon mixer 5 for observing the mixing of materials.

[0024] In the embodiment, a second suction adapter 61 is arranged below the discharge port of the bin 6, the second suction adapter 61 is connected with a second conveying pipe 7, the second conveying pipe 7 is connected with the air inlet of a second pulse bag dust collector 8, the air outlet of the second pulse bag dust collector 8 is connected with a second induced draft fan 9, and the discharge port of the second pulse bag dust collector 8 is connected with a device at the rear end.

[0025] The utility model discloses principles are:

[0026] The utility model discloses in using, the process in which the operating personnel carries out the feeding at dust -free screening feeding station 1, and the feeding of different powder is added according to production technology in the process, and the dust produced in the adding process is extracted to the surface of filter core 122 by the negative pressure of dust removal fan 121, realizes the dust -free adding process of powder, after a certain time, pulse back flushing device 123 starts, and the powder on the outer surface of filter core 122 is blown off, and the waste of raw materials is reduced.

[0027] The added powder is vibrated and screened through the rotary vibration screen 13, and then is extracted to the first pulse bag dust collector 3 under the traction of the first induced draft fan 4 through the first suction adapter 131 at the bottom of the rotary vibration screen 13 and is separated, and the separated powder is blown off to the horizontal screw belt mixer 5 through the pulse device, and the process of feeding into the horizontal screw belt mixer 5 is realized.

[0028] The powder enters the horizontal screw belt mixer 5, is stirred and mixed uniformly in the horizontal screw belt mixer 5, and the mixed powder is discharged to the bin 6 through the discharge port 51 of the horizontal screw belt mixer 5, and the horizontal screw belt mixer 5 is an intermittent discharge equipment, and a discharge gate is installed at the discharge port 51.

[0029] The powder in the bin 6 is extracted to the second pulse bag dust collector 8 under the traction of the second induced draft fan 9 through the second suction adapter 61 at the bottom of the bin 6 and is separated, and the separated powder is blown off to the rear-end equipment through the pulse device.

[0030] It should be noted that the various devices used in the utility model are existing mature devices, such as the dust-free screening feeding station 1, the suction adapter, the pulse bag dust collector and the horizontal screw belt mixer 5 (DPH-500), and the structure and working principle of the devices are all existing mature technologies, which are not difficult to understand for those skilled in the art, and will not be described in detail.

Claims

1. A powder product production feed mixing system, characterized by: Including dust-free screening feeding station (1), dust-free screening feeding station (1) is connected with horizontal screw belt mixer (5) through pneumatic conveying, horizontal screw belt mixer (5) is connected with rear-end equipment through pneumatic conveying; The dust-free screening feeding station (1) comprises a feeding bin (11), a dust removal device (12) is arranged above the feeding bin (11), a rotary vibrating screen (13) is arranged below the feeding bin (11), and the rotary vibrating screen (13) is connected with the horizontal screw belt mixer (5) through pneumatic conveying; The dust removal device (12) comprises a dust removal fan (121), the dust removal fan (121) is arranged above the top of the feeding bin (11), a filter element (122) is arranged above the inside of the feeding bin (11), the dust removal fan (121) is communicated with the inside of the filter element (122), a pulse back flushing device (123) is arranged on one side of the outside of the feeding bin (11), and the pulse back flushing device (123) is communicated with the inside of the filter element (122); The bottom of the rotary vibrating screen (13) is provided with a first suction adapter (131), the first suction adapter (131) is connected with a first conveying pipe (2), the first conveying pipe (2) is connected with the air inlet of a first pulse bag-type dust collector (3), the air outlet of the first pulse bag-type dust collector (3) is connected with a first induced draft fan (4), and the discharge outlet of the first pulse bag-type dust collector (3) is connected with the feeding inlet of the horizontal screw belt mixer (5).

2. A powder product production feeding and mixing system according to claim 1, characterized in that: The horizontal screw belt mixer (5) is connected with a bin (6) through the discharge outlet (51), and the bin (6) is connected with rear-end equipment through pneumatic conveying.

3. A powder product production feeding and mixing system according to claim 2, characterized in that: The bottom of the bin (6) is provided with a second suction adapter (61), the second suction adapter (61) is connected with a second conveying pipe (7), the second conveying pipe (7) is connected with the air inlet of a second pulse bag-type dust collector (8), the air outlet of the second pulse bag-type dust collector (8) is connected with a second induced draft fan (9), and the discharge outlet of the second pulse bag-type dust collector (8) is connected with rear-end equipment. The bottom of the bin (6) is provided with a second suction adapter (61), the second suction adapter (61) is connected with a second conveying pipe (7), the second conveying pipe (7) is connected with the air inlet of a second pulse bag-type dust collector (8), the air outlet of the second pulse bag-type dust collector (8) is connected with a second induced draft fan (9), and the discharge outlet of the second pulse bag-type dust collector (8) is connected with rear-end equipment.

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