CN218398923U - Combined homogenizing tank - Google Patents

Abstract

The utility model discloses a combined homogenization tank, which relates to the technical field of granular material homogenization tanks, and comprises a tank body, a pneumatic lifting mechanism and a mechanical lifting mechanism. The pneumatic lifting mechanism includes a lifting pipeline and a pneumatic pumping component. The feed end and discharge end of the lifting pipeline are respectively connected with the inside of the tank, and the pneumatic pumping component is connected with the lifting pipeline, so that the materials in the tank can be lifted and transported to the top of the material level through the lifting pipeline and then fall. Homogenize the material into the tank. The mechanical lifting mechanism includes a pusher part inside the tank and a lifting drive assembly connected with the pusher to push the material in the tank up and transport it to the top of the material level before falling. To the tank to homogenize the material. Therefore, under the premise of ensuring the homogenization efficiency, the damage to the material is reduced as much as possible, and then better homogenization efficiency and homogenization effect are obtained.

Description

A combined homogenizing tank

technical field

The utility model relates to the technical field of granular material homogenization tanks, in particular to a combined homogenization tank.

Background technique

In order to achieve the uniformity of product quality, reduce product performance fluctuations, and increase production capacity in large, medium and small manufacturing industries, suitable homogenization equipment plays a vital role in production. According to the survey in the plastics industry, the common problems in the homogenization process of plastic particles include: low homogenization efficiency, powder produced by friction during the homogenization process, and damage to the surface gloss of the product. At present, most of the equipment in the homogenization process adopts a spiral homogenization tank. For example, the Chinese utility model patent CN201520484944.0 discloses a particle homogenization device, which includes a frame, a vibrating screen, a fan, a homogenization tank, a feed hopper, and a discharge hopper. mouth, rotating shaft and driving motor, the upper part of the homogenizing tank is cylindrical, and the lower part is funnel-shaped. The upper part of the homogenization tank is sprinkled downwards, so as to achieve sufficient homogenization of plastic particles with different components.

The above-mentioned particle homogenization device uses a spiral auger to twist the raw material from bottom to top and then sprinkles it downwards from the upper part of the homogenization tank to achieve material homogenization. The speed is fast, but due to physical friction, the surface of the material will be damaged, resulting in damage to the gloss of the product and a large amount of powder, which will affect the quality of the material after homogenization. In addition to the above-mentioned auger homogenization method, the current common homogenization equipment also has an air flow homogenization tank. When the air flow homogenization tank is working, it has a protective effect on the product. It can protect the gloss of the product while homogenizing, but The homogenization efficiency is lower than that of the auger type homogenization tank.

Utility model content

In view of this, it is necessary to provide a combined homogenizing tank to solve the technical problems in the prior art that the auger-type homogenizing tank affects the material quality and the air-flow homogenizing tank has low homogenization efficiency.

In order to achieve the above technical purpose, the technical solution of the utility model provides a combined homogenizing tank, which includes a tank body, a pneumatic lifting mechanism and a mechanical lifting mechanism. The pneumatic lifting mechanism includes a lifting pipeline and a pneumatic pumping component. The feed end and the discharge end of the lifting pipeline are respectively connected with the inside of the tank body. The communication position between the feed end of the lifting pipeline and the tank body is located below the material level. The communication position of the body is located above the material level, and the pneumatic pumping component is connected with the lifting pipeline, so that the material in the tank can be lifted and transported above the material level through the lifting pipeline and then dropped into the tank to homogenize the material. The lifting mechanism includes a pushing part located inside the tank and a lifting drive assembly connected to the pushing part. The pushing part extends below the material level. The part pushes the material to move up, so as to push the material in the tank to lift up and convey to the top of the material level, and then fall into the tank to homogenize the material.

In one of the embodiments, it also includes a bulk material assembly arranged in the tank, and the bulk material assembly is provided with a material guide slope for accepting materials that fall after being lifted and transported by a pneumatic lifting mechanism or/and a mechanical lifting mechanism, for feeding the materials Spread along the material guide slope and scatter into the tank body.

In one of the embodiments, the bulk material assembly includes a conical flow guide, the material guide slope is the outer conical surface of the conical flow guide, and the conical flow guide is provided with gradient intervals along the outer conical surface. The arranged feeding chute is used for the material to drop into the tank through the feeding chute when sliding down the outer cone surface of the conical shroud.

In one of the embodiments, the mechanical lifting mechanism is an auger hoist or a chain bucket hoist.

In one of the embodiments, the mechanical lifting mechanism further includes a cylinder fixed inside the tank and a rotating shaft that rotates on the tank and passes through the cylinder, and the lifting drive assembly includes a cylinder fixed on the tank and connected to the cylinder. The lifting motor connected by the rotating shaft transmission, the pushing part includes a spiral rib plate fixed on the outer periphery of the rotating shaft, the lifting motor can drive the rotating shaft and the spiral rib plate fixed on the rotating shaft to rotate around the axis line of the rotating shaft, for the screw The rib plate pushes the material in the tank to lift up and convey.

In one of the embodiments, the upper and lower ends of the cylinder are open structures, the lower end of the cylinder extends below the material level, and the spiral ribs pass through the cylinder downwards for the lifting motor to drive the rotating shaft and When the spiral rib plate fixed on the rotating shaft rotates around the axis of the rotating shaft, the material in the tank enters the cylinder through the opening at the lower end of the cylinder for lifting and conveying, and then is discharged from the opening at the upper end of the cylinder and falls into the tank.

In one of the embodiments, the air lifting mechanism is a positive pressure air lifting mechanism or a negative pressure air lifting mechanism.

In one of the embodiments, the bottom of the tank is provided with a discharge port, the pneumatic pumping component includes a negative pressure Roots blower, the lifting pipeline includes a first pipeline and a second pipeline, and the The feed end of the lifting pipeline is set at one end of the first pipeline, and one end of the first pipeline communicates with the discharge port of the tank through the solid-gas mixing assembly, and the other end of the first pipeline is connected to the negative The inlet of the pressure Roots blower is connected, one end of the second pipeline is connected with the outlet of the negative pressure Roots blower, the discharge end of the lifting pipeline is arranged at the other end of the second pipeline, and the first The other end of the two pipelines communicates with the interior of the tank through the solid-gas separation assembly.

In one of the embodiments, the solid-gas mixing assembly includes a buffer bin communicated with the discharge port of the tank, a star unloader communicated with the buffer bin, a star unloader and a first pipeline One end of the mixing bin is provided with an air inlet for the external air to enter the mixing bin through the air inlet and mix with the materials falling into the mixing bin through the buffer bin and the star unloader for transportation.

In one of the embodiments, the solid-gas separation assembly includes a cyclone separator and a discharge valve, the top of the tank body is fixedly pierced with a feed pipe, and the end of the feed pipe located inside the tank body is provided with a The feeding pipe radially extends to both sides of the guide hopper, the discharge end of the cyclone separator is connected with the second pipeline, and the discharge valve is respectively connected with the discharge end of the cyclone separator and the feeding pipe Pass.

Compared with the prior art, the utility model has the following beneficial effects: when the combined homogenizing tank of the utility model homogenizes the material, the pushing part is driven by the lifting drive assembly, and the material is pushed by the pushing part Move upwards to lift the material up to the top of the material level and then fall into the tank to realize the homogenization treatment method of mechanical lifting and falling. At the same time, the lifting pipeline is connected with the tank body, and the pneumatic pumping component is connected with the lifting pipeline. , through the pneumatic pumping component, the material in the tank is lifted and transported to the top of the material level through the lifting pipeline, and then falls into the tank to realize the homogenization treatment method of pneumatic lifting and falling. The combined homogenization tank of the utility model uses a combination of mechanical lifting and falling and pneumatic lifting and falling to homogenize the material. In order to avoid damage to the material caused by mechanical homogenization, the combined homogenizing tank of the utility model is During work, the falling speed of the mechanical lifting can be appropriately reduced to reduce the damage to the material. At the same time, the homogenization efficiency lost by reducing the falling speed of the mechanical lifting can be compensated by pneumatic homogenization, so that the homogenization efficiency can be ensured. , reduce the damage to the material as much as possible, and then obtain better homogenization efficiency and homogenization effect.

Description of drawings

Fig. 1 is the schematic diagram after the tank body of the present utility model cuts;

Fig. 2 is a schematic diagram after cutting parts such as the tank body, cylinder body and feeding pipe of the utility model.

Detailed ways

The preferred embodiments of the utility model are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the utility model to explain the principle of the utility model and are not used to limit the scope of the utility model scope.

As shown in Figures 1 and 2, the utility model provides a combined homogenizing tank, including a tank body 10, a pneumatic lifting mechanism 20 and a mechanical lifting mechanism 30, and the pneumatic lifting mechanism 20 includes a lifting pipeline 21 and a pneumatic lifting mechanism The pumping assembly 22, the feed end and the discharge end of the lifting pipeline 21 are respectively connected to the inside of the tank body 10, and the communication position between the feeding end of the lifting pipeline 21 and the tank body 10 is located below the material level, The communication position between the discharge end of the lifting pipeline 21 and the tank body 10 is located above the material level, and the pneumatic pumping component 22 is connected with the lifting pipeline 21 for the material in the tank body 10 to be lifted through the lifting pipeline 21 After being transported to the top of the material level, it falls into the tank body 10 to homogenize the material. The mechanical lifting mechanism 30 includes a pushing part 31 located inside the tank body 10 and a lifting drive assembly 32 that is transmission-connected with the pushing part 31. The material pushing part 31 extends below the material level, and the lifting drive assembly 32 can drive the material pushing part 31 to move upwards for the material pushing part 31 to push the materials in the tank body 10 to be lifted upwards and transported to the top of the material level. Then it falls into the tank body 10 to homogenize the material.

When the combined homogenization tank of the utility model homogenizes the material, the lifting drive assembly 32 drives the pushing part 31 to move, and the pushing part 31 pushes the material to move upward, so that the material is lifted upward and transported to the top of the material level Then it falls into the tank body 10 to realize the homogenization treatment method of mechanical lifting and falling. At the same time, the lifting pipeline 21 is connected with the tank body 10, and the pneumatic pumping component 22 is connected with the lifting pipeline 21. Through the pneumatic pumping component 22 Homogenization treatment in which the material in the tank body 10 is lifted and transported to the top of the material level through the lifting pipeline 21 and then dropped into the tank body 10 to realize pneumatic lifting and falling. The combined homogenization tank of the utility model uses a combination of mechanical lifting and falling and pneumatic lifting and falling to homogenize the material. In order to avoid damage to the material caused by mechanical homogenization, the combined homogenizing tank of the utility model is During work, the falling speed of the mechanical lifting can be appropriately reduced to reduce the damage to the material. At the same time, the homogenization efficiency lost by reducing the falling speed of the mechanical lifting can be compensated by pneumatic homogenization, so that the homogenization efficiency can be ensured. , reduce the damage to the material as much as possible, and then obtain better homogenization efficiency and homogenization effect.

In one of the embodiments, the top of the tank body 10 is provided with a ventilation filter 14 communicating with the inside of the tank body 10, and the inside of the tank body 10 is communicated with the outside through the ventilation filter 14, so that the air pressure inside the tank body 10 equal to atmospheric pressure.

In one of the embodiments, the pneumatic lifting mechanism 20 can adopt common pneumatic conveying equipment in the field such as a positive pressure pneumatic lifting mechanism or a negative pressure pneumatic lifting mechanism. In this embodiment, the pneumatic lifting mechanism 20 is a negative pressure pneumatic lifting mechanism. More specifically, the bottom of the tank body 10 is provided with a discharge port 11, and the discharge port 11 of the tank body 10 is connected to a device. There is an electric butterfly valve 12, the pneumatic pumping assembly 22 includes a negative pressure Roots blower 221, the lifting pipeline 21 includes a first pipeline 211 and a second pipeline 212, and the feed end of the lifting pipeline 21 is provided At one end of the first pipeline 211, one end of the first pipeline 211 communicates with the discharge port 11 of the tank body 10 through the solid-gas mixing assembly 23, and the other end of the first pipeline 211 is connected to the negative pressure valve. The inlet of the Roots blower 221 is connected, and one end of the second pipeline 212 is connected with the outlet of the negative pressure Roots blower 221, and the discharge end of the lifting pipeline 21 is located at the other end of the second pipeline 212, The other end of the second pipeline 212 communicates with the interior of the tank body 10 via the solid-gas separation assembly 24 .

When the material is lifted and conveyed by the pneumatic lifting mechanism 20, the external air is sucked into the first pipeline 211 under the action of the negative pressure Roots blower 221, and the material falling from the discharge port 11 passes through the solid-gas mixing component 23 and is sucked into the second pipeline. The air in the first pipeline 211 is mixed and then lifted and transported along the first pipeline 211 and the second pipeline 212 . The material is lifted to a high level and then separated by the solid-gas separation component 24 and then falls back into the tank 10 .

In one of the embodiments, the solid-gas mixing assembly 23 includes a buffer bin 231 communicated with the discharge port 11 of the tank body 10, a star unloader 232 communicated with the buffer bin 231, and a star unloader 232 connected with the star unloader. The mixing bin 233 connected with the device 232 and the first pipeline 211, one end of the mixing bin 233 is provided with an air inlet 2331, for external air to enter the mixing bin 233 through the air inlet 2331 and pass through the buffer bin 231 and the star unloader 232 The materials falling into the mixing bin 233 are mixed and transported. The air inlet 2331 is connected with an air filter 234, and the buffer bin 231 is connected with the interior of the tank body 10 through a pressure equalizing pipe 235, through which the impeller of the star unloader 232 can be rotated to bring The high-pressure gas is discharged from here to reduce the phenomenon of gas topping and facilitate the smooth falling of materials.

When the solid-gas mixing assembly 23 is working, the material in the tank body 10 falls from the discharge port 11 into the buffer bin 231, and then is discharged into the mixing bin 233 through the star unloader 232 and filtered by the air filter 234. Air is mixed to form a stable aerosol.

In one of the embodiments, the solid-gas separation assembly 24 includes a cyclone separator 241 and a discharge valve 242, the top of the tank body 10 is fixedly pierced with a feed pipe 13, and the feed pipe located inside the tank body 10 The end portion of 13 is provided with the guide hopper 131 that is located above the conical shroud 41 and expands to both sides along the radial direction of the feed pipe 13, and the discharge end of the cyclone separator 241 communicates with the second pipeline 212 , the discharge valve 242 communicates with the feed end of the cyclone separator 241 and the feed pipe 13 respectively.

The material separated by the cyclone separator 241 falls into the feed pipe 13 , is spread and dispersed to a certain extent by the hopper 131 , and then discharged, and falls to the outer conical surface of the conical shroud 41 .

In one of the embodiments, the mechanical lifting mechanism 30 may adopt common lifting equipment in the field such as an auger hoist or a chain bucket hoist. In this embodiment, the mechanical lifting mechanism 30 is an auger hoist. More specifically, the mechanical lifting mechanism 30 also includes a cylinder body 33 fixed vertically inside the tank body 10 through a bracket 35 and a rotating device. On the tank body 10 and through the rotating shaft 34 of the cylinder body 33 , the lifting drive assembly 32 includes a lifting motor 321 fixed on the tank body 10 and connected to the rotating shaft 34 , and the pushing part 31 includes a lifting motor 321 fixed on the rotating shaft 34 The spiral rib plate 311 on the outer periphery, the lifting motor 321 can drive the rotating shaft 34 and the spiral rib plate 311 fixed on the rotating shaft 34 to rotate around the axis line of the rotating shaft 34, so that the spiral rib plate 311 can push the material in the tank body 10 upward Lift delivery. The upper and lower ends of the cylinder body 33 are open structures, the lower end of the cylinder body 33 extends below the material level, and the spiral rib plate 311 passes through the cylinder body 33 downwards for the lifting motor 321 to drive the rotating shaft 34 and connect with it. When the spiral rib plate 311 fixed to the rotating shaft 34 rotates around the axis of the rotating shaft 34, the material in the tank body 10 enters the cylinder body 33 through the opening at the lower end of the cylinder body 33 for lifting and conveying, and then is discharged from the opening at the upper end of the cylinder body 33 and falls. to the tank body 10.

The rotating shaft 34 and the spiral rib plate 311 fixed on the rotating shaft 34 can be driven by the lifting motor 321 to rotate around the axis of the rotating shaft 34, thereby pushing the material in the tank body 10 through the spiral rib plate 311 to enter the cylinder from the opening at the bottom of the cylinder body 33 Inside the tank 33, it is lifted up along the cylinder 33, transported, and finally discharged from the opening at the upper end of the cylinder 33 and then dropped into the tank 10. In order to ensure that the material can enter the cylinder 33 smoothly, when setting the height of the cylinder 33 and the spiral rib 311, it is necessary to extend the lower end of the cylinder 33 below the material level, and pass the spiral rib 311 downwards out of the cylinder 33 extends into the material.

In one of the embodiments, it also includes a bulk material assembly 40 arranged in the tank body 10, and the bulk material assembly 40 is provided with a mechanism for accepting materials that fall after being lifted and transported by the pneumatic lifting mechanism 20 or/and the mechanical lifting mechanism 30. The material guide slope 411 , the material is spread along the material guide slope 411 and scattered into the tank body 10 . The bulk material assembly 40 includes a conical shroud 41 fixed inside the tank body 10 through a bracket 42, the conical shroud 41 is sleeved on the outside of the cylinder body 33, and the conical shroud 41 The upper end surface is located below the upper end surface of the cylinder body 33 . The material guide slope 411 is the outer conical surface of the conical flow guide 41, and the conical flow guide 41 is provided with blanking grooves 412 arranged at intervals along the gradient of the outer conical surface, for the material to flow along the conical flow guide. When the outer tapered surface of 41 slides down, it falls into the tank body 10 through the drop groove 412 .

Since the outer conical surface of the conical flow guide 41 is a curved surface whose radius changes from narrow to wide from top to bottom, the material that falls after being lifted by the pneumatic lift mechanism 20 or/and the mechanical lift mechanism 30 falls to the conical flow guide 41 It can be spread out and dispersed on the outer conical surface of the cone, and since the conical flow guide cover 41 is provided with the blanking grooves 412 arranged at intervals along the gradient of the outer conical surface, the material can be spread along the outer conical surface of the conical flow guide cover 41. When falling, it can fall into the tank body 10 through the drop troughs 412 of different heights, so that the materials fall into the tank body 10 as dispersedly as possible, avoiding the falling materials from getting together, thereby improving the homogenization effect.

The working principle of the combined homogenizing tank of the present utility model is as follows: the lifting motor 321 of the mechanical lifting mechanism 30 drives the rotating shaft 34 and the spiral rib plate 311 fixed on the rotating shaft 34 to rotate around the axis line of the rotating shaft 34, thereby passing the spiral rib The plate 311 pushes the material in the tank 10 into the cylinder 33 from the opening at the bottom of the cylinder 33, and is lifted up along the cylinder 33 to be transported and finally discharged from the opening at the upper end of the cylinder 33. After discharge, the material falls into the conical diversion When the outer conical surface of the cover 41 slides down along the outer conical surface of the conical shroud 41, it falls into the tank body 10 through the blanking groove 412 of different heights and the outer edge, and the material is homogenized by mechanical lifting and falling. deal with. At the same time, open the electric butterfly valve 12, the star unloader 232 and the negative pressure Roots fan 221, so that the material in the tank body 10 falls from the discharge port 11 into the buffer bin 231, and then is discharged through the star unloader 232 to The air in the mixing chamber 233 is mixed with the air filtered by the air filter 234 to form a stable aerosol, and then it is lifted and transported along the first pipeline 211 and the second pipeline 212, and then separated by the cyclone separator 241 and then falls into the aerosol. Material pipe 13, and through the guide hopper 131, the material is spread out to a certain extent and then discharged, and falls to the outer cone surface of the conical flow guide 41, and when sliding along the outer cone surface of the conical flow guide 41, it passes through the The dropping troughs 412 of different heights and the outer edges drop into the tank body 10, and the materials are homogenized by means of pneumatic lifting and falling.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model.

Claims (10)

1. The utility model provides a modular homogenization jar, its characterized in that, including a jar body, air lifting mechanism and mechanical lifting mechanism, air lifting mechanism includes promotion pipeline and air pumping subassembly, the feed end and the discharge end of promotion pipeline are linked together with jar internal portion respectively, the feed end of promotion pipeline is located the material level below with the intercommunication position of jar body, the discharge end of promotion pipeline is located the material level top with the intercommunication position of jar body, air pumping subassembly is linked together with the promotion pipeline, supplies the internal material of jar to fall to jar internal with the homogenization material after promoting the transport to the material level top via the promotion pipeline, mechanical lifting mechanism is including locating the material pushing part of jar internal portion and the promotion drive assembly who is connected with material pushing part transmission, material pushing part extends to the material level below, promotion drive assembly can drive material pushing part action, supplies material pushing part to promote the material rebound to fall to jar internal with the homogenization material after the material upwards promotes the transport to the material level top in the jar.

2. The combined homogenizing tank of claim 1, further comprising a bulk material assembly disposed in the tank body, wherein the bulk material assembly is provided with a material guiding slope for receiving the material falling after being lifted and conveyed by the pneumatic lifting mechanism or/and the mechanical lifting mechanism, and the material is spread along the material guiding slope and is scattered into the tank body.

3. The combined homogenizing tank of claim 2, wherein the bulk material assembly comprises a conical guide hood, the guide slope is an outer conical surface of the conical guide hood, the conical guide hood is provided with feeding chutes arranged at intervals along the gradient of the outer conical surface, and the material falls into the tank body through the feeding chutes when sliding down along the outer conical surface of the conical guide hood.

4. The combined homogenization tank of claim 1 wherein the mechanical lifting mechanism is an auger elevator or a chain shoe elevator.

5. The combined homogenizing tank according to claim 1, wherein the mechanical lifting mechanism further comprises a cylinder fixedly arranged inside the tank body and a rotating shaft rotatably arranged inside the tank body and penetrating through the cylinder body, the lifting driving assembly comprises a lifting motor fixedly arranged on the tank body and in transmission connection with the rotating shaft, the material pushing part comprises a spiral rib plate fixedly arranged on the outer peripheral part of the rotating shaft, and the lifting motor can drive the rotating shaft and the spiral rib plate fixedly arranged on the rotating shaft to rotate around the axial lead of the rotating shaft, so that the spiral rib plate can push materials in the tank body to be lifted and conveyed upwards.

6. The combined homogenizing tank according to claim 5, wherein the upper end and the lower end of the barrel are both open structures, the lower end of the barrel extends below the material level, the spiral rib plate penetrates out of the barrel downwards, and when the lifting motor drives the rotating shaft and the spiral rib plate fixedly arranged on the rotating shaft to rotate around the axis of the rotating shaft, materials in the tank body enter the barrel through the opening at the lower end of the barrel, are lifted and conveyed, are discharged from the opening at the upper end of the barrel and fall into the tank body.

7. The combined homogenization tank of claim 1 wherein the air lift mechanism is a positive pressure air lift mechanism or a negative pressure air lift mechanism.

8. The combined homogenizing tank according to claim 1, wherein the bottom of the tank body is provided with a discharge port, the pneumatic pumping assembly comprises a negative pressure roots blower, the lifting pipeline comprises a first pipeline and a second pipeline, a feed end of the lifting pipeline is arranged at one end of the first pipeline, one end of the first pipeline is communicated with the discharge port of the tank body through a solid-gas mixing assembly, the other end of the first pipeline is communicated with an inlet of the negative pressure roots blower, one end of the second pipeline is communicated with an outlet of the negative pressure roots blower, a discharge end of the lifting pipeline is arranged at the other end of the second pipeline, and the other end of the second pipeline is communicated with the inside of the tank body through a solid-gas separating assembly.

9. The combination homogenizer tank of claim 8, wherein the solid-gas mixing assembly comprises a surge bin communicated with the discharge port of the tank body, a star discharger communicated with the surge bin, and a mixing bin communicated with the star discharger and the first pipeline, and an air inlet is formed at one end of the mixing bin, so that external air can enter the mixing bin through the air inlet and be mixed with the material falling into the mixing bin through the surge bin and the star discharger and then be conveyed.

10. The combined homogenizer tank of claim 8, wherein the solid-gas separation assembly comprises a cyclone separator and a discharge valve, a feed pipe is fixedly disposed through the top of the tank, a guide hopper extending along the radial direction of the feed pipe is disposed at the end of the feed pipe inside the tank, the discharge end of the cyclone separator is connected to the second pipeline, and the discharge valve is connected to the discharge end of the cyclone separator and the feed pipe respectively.

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