CN217147787U - A smart and energy-saving material positive pressure conveying system - Google Patents

Abstract

The utility model provides an intelligent and energy-saving material positive pressure conveying system, which comprises a storage hopper, a conveying tank is connected to a discharge end of the storage hopper, and an air inlet end of the conveying tank is connected to an air supply device, and the The air outlet end of the conveying tank is connected with a positive pressure conveying device; the air supply device includes an air conveying assembly connected with the air inlet end of the conveying tank, and an air storage tank connected with the air inlet end of the air conveying assembly , and an air compressor connected to the intake end of the air storage tank; the positive pressure conveying device includes a conveying pipe connected to the discharge end of the conveying tank through a flange, and the conveying One end of the pipe away from the conveying tank is connected with a discharge hopper, and a quantitative air supply assembly sleeved on the outside of the conveying pipe. The utility model can guide the material to be fully mixed with the air and reduce the blockage of the material, thereby reducing the energy consumption and improving the environmental protection.

Description

A smart and energy-saving material positive pressure conveying system

technical field

The utility model mainly relates to the technical field of material conveying, in particular to an intelligent and energy-saving material positive pressure conveying system.

Background technique

Pneumatic conveying refers to a conveying method that uses the energy of air flow to convey granular materials in the direction of air flow in a closed pipeline, and is a specific application of fluidization technology.

According to a positive pressure conveying system for kaolin clay provided by the patent document with the application number of CN201922436607.5, the positive pressure conveying system includes a dust collector, a first screw conveyor, a second screw conveyor, a cyclone, a buffer silo, Roots blower, rotary feeder, silo; the feed end of the first screw conveyor is set at the lower part of the dust collector, the discharge end is set at the upper part of the feed end of the second screw conveyor, and the cyclone is set at the second screw conveyor The upper part of the machine, the discharge end of the second screw conveyor is fixed on the upper part of the buffer silo, the rotary feeder is arranged in the lower part of the buffer silo, and is connected with the Roots blower through the air inlet pipe, and the silo is connected to the rotary through the conveying pipe. Feeder connection. The positive pressure conveying system has a simple structure, and the positive pressure conveying avoids the extrusion of the material during the conveying process, which can significantly improve the quality of the product.

The above-mentioned positive pressure conveying system has a simple structure, and the use of positive pressure conveying avoids the extrusion of materials during the conveying process, which can significantly improve the quality of products. As a result, the mixing of the material and the gas is not uniform enough, so that the material is prone to blockage during the conveying process, and then the power of the conveying system needs to be improved, and the energy consumption is high.

Utility model content

The utility model mainly provides an intelligent and energy-saving material positive pressure conveying system to solve the technical problems raised in the above-mentioned background art.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is:

An intelligent and energy-saving material positive pressure conveying system includes a storage hopper, a conveying tank is connected to the discharge end of the storage hopper, an air inlet end of the conveying tank is connected to an air supply device, and an air outlet end of the conveying tank is connected Connected with positive pressure conveying device;

The air supply device includes an air delivery assembly connected with the air inlet end of the conveying tank, an air storage tank connected with the air inlet end of the air delivery assembly, and an air inlet end connected with the air storage tank connected air compressor;

The positive pressure conveying device includes a conveying pipe connected with the discharge end of the conveying tank through a flange, a discharging hopper connected with the end of the conveying pipe away from the conveying tank, and a discharge hopper sleeved on the conveying tank. A quantitative air supply component outside the material pipe, the bottom end of the material conveying pipe is provided with a plurality of air inlet holes;

The quantitative air supply assembly includes a sealing cylinder sleeved on the outer surface of the material conveying pipe, an air intake assembly fixed on the outer surface of the sealing cylinder and connected with the air outlet end of the air conveying assembly, and an air inlet assembly disposed on the outer surface of the sealing cylinder. The flow control mechanism at the inner bottom end of the sealing cylinder includes a partition ring connected with the inner wall of the sealing cylinder, and a rubber cover connected with the lower surface of the partition ring.

Further, the gas delivery assembly includes a first gas delivery pipe and a second gas delivery pipe which are sequentially penetrated on the gas storage tank shell from top to bottom, and the first gas delivery pipe is away from one end of the gas storage tank and the other side. The top end of the conveying tank is connected, the gas outlet end of the second gas conveying pipe is connected with the bottom end of the conveying tank, and the high-pressure gas flows into the conveying tank from the bottom end of the conveying tank, so as to utilize the high pressure entering the conveying tank from different positions. gas, so that the high-pressure gas can be fully mixed with the material.

Further, the gas delivery assembly also includes a third gas delivery pipe and a fourth gas delivery pipe that are arranged on the gas storage tank shell from top to bottom, and the third gas delivery pipe is far away from the air storage tank. One end is connected to the air intake assembly, and the end of the fourth air pipe away from the air storage tank is connected to the discharge hopper. The high-pressure air enters the discharge hopper through the fourth air pipe and mixes with the material inside the discharge hopper.

Further, the air intake assembly includes an air intake box installed on the outer surface of the sealing cylinder, and a plurality of filter plates installed inside the air intake box, and the high-pressure air is filtered through the filter plates to prevent the outside air. The impurities in the seal erode the components inside the sealed cylinder.

Further, the housing of the partition ring is provided with a plurality of air inlet holes, the plurality of air inlet holes are arranged around the axis of the partition ring, and the partition ring guides high-pressure air to flow into the bottom space of the partition ring through the air inlet holes.

Further, the quantitative air supply assembly also includes a degassing mechanism arranged outside the sealing cylinder, the degassing mechanism comprises a high-pressure degassing valve pierced at the bottom end of the sealing cylinder, and an end of the high-pressure degassing valve extending to the outside. The connected three-way pipe, the high-pressure air that exceeds the threshold value enters the three-way pipe through the high-pressure relief valve, and supplies air to the two air cylinders at the same time through the three-way pipe.

Further, the quantitative air supply assembly also includes a downflow mechanism that is penetrated at the top of the sealing cylinder, and the downflow mechanism includes a downflow mechanism connected to the air outlet end of the three-way pipe and installed on the upper surface of the sealing cylinder. The air cylinder, the piston rod of the air cylinder extends to the interior of the sealing cylinder and is connected with a blocking ring. High pressure air in the enclosure.

Further, the air deflation mechanism also includes a termination column mounted on the inner wall of the top end of the sealing cylinder and abutting with the upper surface of the blocking ring. It moves upward under the influence of the blowing high pressure air.

Further, a humidity sensor is provided on the top shell of the conveying tank, and the humidity information inside the conveying tank is monitored by the humidity sensor.

Further, a temperature sensor is provided on the top shell of the air storage tank, and a plurality of electric heating copper tubes are installed inside the air storage tank. When the humidity inside the conveying tank exceeds the set value, the temperature sensor detects the temperature. Temperature information inside the gas tank.

Compared with the prior art, the beneficial effects of the present utility model are:

First, the material can be fully mixed with the air to reduce material blockage, thereby reducing energy consumption. Specifically, the first gas delivery pipe flows into the delivery tank from the top of the delivery tank, and the high-pressure gas passes through the second gas delivery pipe, so that the high-pressure gas flows from the The top and bottom ends of the conveying tank flow into the conveying tank, so that the high-pressure gas can be fully mixed with the material to form a suspension.

Second, the gas enters the air inlet box through the third air delivery pipe, and the high-pressure air inside the air inlet box enters the sealing cylinder. Since the inner space of the sealing cylinder is divided into two by the dividing ring, the high-pressure air flows into the bottom of the dividing ring. After the space, the high-pressure air lifts the other end of the rubber cover, so that the high-pressure air mixes with the material in the material conveying pipe along the air inlet of the conveying pipe. Air pours into the feed pipe from multiple angles to mix with the material to form a more evenly mixed suspension.

The present utility model will be explained in detail below with reference to the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is a sectional view along line A-A in Fig. 2;

Fig. 4 is the structural representation of the utility model separating ring;

Fig. 5 is the overall structure schematic diagram of the present utility model;

Fig. 6 is the rear view of the utility model;

Fig. 7 is the structural representation of the hopper and the conveying tank of the utility model;

FIG. 8 is an enlarged view of the structure of the A region in FIG. 3 .

In the figure: 10, storage hopper; 20, conveying tank; 21, humidity sensor; 30, air supply device; 31, air conveying assembly; 311, first air conveying pipe; 312, second air conveying pipe; ; 314, the fourth air pipe; 32, the air storage tank; 33, the air compressor; 40, the positive pressure conveying device; 41, the material conveying pipe; 42, the discharge hopper; , downflow mechanism; 4321, gas cylinder; 4322, barrier ring; 4323, termination column; 433, flow control mechanism; 4331, separation ring; 4332, plastic cover; 434, air intake assembly; 4341, air intake box; plate; 435, air release mechanism; 4351, high pressure air release valve; 4352, three-way pipe.

Detailed ways

In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings. Several embodiments of the present utility model are given in the accompanying drawings, but the present utility model can be realized in different forms, and it is not We are limited to the embodiments described herein, but rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it may be The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for the purpose of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by those skilled in the technical field of the present invention, and the terminology used herein in the description of the present invention is used for the purpose of describing specific For the purpose of the examples, and not for the purpose of limiting the present invention, the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

For an embodiment, please refer to accompanying drawings 1-8, an intelligent and energy-saving positive pressure conveying system for materials, including a storage hopper 10, the discharge end of the storage hopper 10 is connected with a conveying tank 20, and the air intake of the conveying tank 20 is The end is connected with the air supply device 30, and the air outlet end of the conveying tank 20 is connected with a positive pressure conveying device 40;

The air supply device 30 includes an air delivery assembly 31 connected to the air inlet end of the conveying tank 20, an air storage tank 32 connected to the air inlet end of the air delivery assembly 31, and an air storage tank 32 connected to the air inlet end of the air delivery assembly 31. an air compressor 33 connected to the intake end of the tank 32;

The positive pressure conveying device 40 includes a material conveying pipe 41 connected with the discharge end of the conveying tank 20 through a flange, a discharging hopper 42 connected with the end of the conveying pipe 41 away from the conveying tank 20, and A quantitative air supply assembly 43 sleeved on the outside of the material conveying pipe 41, the bottom end of the material conveying pipe 41 is provided with a plurality of air inlet holes;

The quantitative air supply assembly 43 includes a sealing cylinder 431 sleeved on the outer surface of the material conveying pipe 41 , an air inlet fixed on the outer surface of the sealing cylinder 431 and connected to the air outlet end of the air conveying assembly 31 . The assembly 434, and the flow control mechanism 433 arranged at the inner bottom end of the sealing cylinder 431, the flow control mechanism 433 includes a dividing ring 4331 connected with the inner wall of the sealing cylinder 431, and the lower surface of the dividing ring 4331 Attached glue cover 4332.

Specifically, please refer to FIGS. 3 and 8 , the gas delivery assembly 31 includes a first gas delivery pipe 311 and a second gas delivery pipe 312 which are sequentially penetrated on the housing of the gas storage tank 32 from top to bottom. One end of the first gas pipe 311 away from the gas storage tank 32 is connected with the top end of the transport tank 20, and the gas outlet end of the second gas pipe 312 is connected with the bottom end of the transport tank 20. The assembly 31 also includes a third gas delivery pipe 313 and a fourth gas delivery pipe 314 which are arranged on the casing of the gas storage tank 32 from top to bottom, and the third gas delivery pipe 313 is away from one end of the gas storage tank 32 . Connected to the air intake assembly 434 , the end of the fourth air delivery pipe 314 away from the air storage tank 32 is connected to the discharge hopper 42 , and the air intake assembly 434 includes a an air intake box 4341, and a plurality of filter plates 4342 installed inside the air intake box 4341;

It should be noted that, in this embodiment, the high-pressure gas inside the air storage tank 32 flows into the conveying tank 20 from the top of the conveying tank 20 through the first air pipe 311, so that the high-pressure air is mixed with the material from the top of the conveying tank 20, The high-pressure gas passes through the second gas delivery pipe 312, so that the high-pressure gas flows into the delivery tank 20 from the bottom end of the delivery tank 20, thereby utilizing the high-pressure gas entering the delivery tank 20 from different positions, so that the high-pressure gas can be fully mixed with the material;

Further, the gas enters the air inlet box 4341 through the third air pipe 313, thereby providing high-pressure air for the air inlet box 4341, and the high-pressure air enters the discharge hopper 42 through the fourth air pipe 314, and is mixed with the material inside the discharge hopper 42;

Further, the high pressure air delivered by the third air pipe 313 is received through the air intake box 4341 , and the high pressure air is filtered by the filter plate 4342 to prevent impurities in the outside air from eroding the components inside the sealing cylinder 431 .

Specifically, please refer to FIGS. 3 and 4 , the housing of the partition ring 4331 is provided with a plurality of air inlet holes 4333 , and the plurality of air inlet holes 4333 are arranged around the axis of the partition ring 4331 . The assembly 43 also includes a degassing mechanism 435 disposed outside the sealing cylinder 431 . The degassing mechanism 435 includes a high-pressure degassing valve 4351 pierced at the bottom end of the sealing cylinder 431 , and an end of the high-pressure degassing valve 4351 extending to the outside. The connected three-way pipe 4352, the quantitative air supply assembly 43 also includes a downflow mechanism 432 penetrated at the top of the sealing cylinder 431, and the downflow mechanism 432 includes a gas outlet connected to the three-way pipe 4352. , and an air cylinder 4321 installed on the upper surface of the sealing cylinder 431 , the piston rod of the air cylinder 4321 extends to the interior of the sealing cylinder 431 and is connected with a blocking ring 4322 , and the degassing mechanism 435 also includes a top installed on the sealing cylinder 431 . The inner wall, and the termination post 4323 abutting with the upper surface of the blocking ring 4322;

It should be noted that, in this embodiment, the inner space of the sealing cylinder 431 is divided into two parts by the dividing ring 4331, and the dividing ring 4331 guides the high-pressure air to flow into the bottom space of the dividing ring 4331 through the air inlet hole 4333;

Further, when the high-pressure air stored in the bottom space of the separation ring 4331 exceeds the threshold value of the high-pressure relief valve 4351, the high-pressure air that exceeds the threshold value enters the three-way pipe 4352 through the high-pressure relief valve 4351, and supplies the two air cylinders 4321 simultaneously through the three-way pipe 4352. gas;

Further, the high-pressure air in the three-way pipe 4352 that exceeds the threshold value enters the air cylinder 4321 through the pipe between the three-way pipe 4352 and the air inlet end of the air cylinder 4321, so that the piston rod of the air cylinder 4321 can be extended and retracted, and the air cylinder 4321 can pass through the piston rod of the air cylinder 4321. Telescopic to drive the blocking ring 4322 to descend, so that the blocking ring 4322 blocks the air outlet of the air intake box 4341 to reduce the high-pressure air flowing into the sealing cylinder 431;

Further, the blocking ring 4322 is blocked by the terminating post 4323 to prevent the blocking ring 4322 from moving upward due to the influence of the high pressure air blown from the intake box 4341 , resulting in the blocking ring 4322 blocking the air outlet of the intake box 4341 . .

Specifically, please refer to FIGS. 1 and 5 , a humidity sensor 21 is pierced on the top shell of the conveying tank 20 , and a temperature sensor 321 is pierced on the top shell of the gas storage tank 32 . A plurality of electrically heated copper pipes 322 are installed inside the gas tank 32;

It should be noted that, in this embodiment, the humidity information inside the conveying tank 20 is monitored by the humidity sensor 21 whose model is RS-WS-ETH-6, and the electrical signal with the humidity information is transmitted to the PLC connected to it. In the controller, to judge whether the humidity inside the conveying tank 20 exceeds the set value through the PLC controller;

Further, when the internal humidity of the conveying tank 20 exceeds the set value, the temperature information inside the gas storage tank 32 is detected by the temperature sensor 321 with a model of GX18B20U, and the electrical signal with the temperature information is transmitted to the PLC control connected to it. In the device, the PLC controller judges whether the internal temperature of the gas storage tank 32 reaches the requirement, so that the PLC controller can timely control the electric heating copper tube 322 connected to it to heat the air inside the gas storage tank 32, so that the hot air can be mixed with the material. , to prevent the material from being too wet.

The specific operation mode of the present utility model is as follows:

The material enters into it through the top opening of the storage hopper 10, and falls into the conveying tank 20 through the storage hopper 10. The high-pressure gas inside the air storage tank 32 flows into the conveying tank 20 from the top of the conveying tank 20 through the first air conveying pipe 311, so that the The high-pressure air is mixed with the material from the top of the delivery tank 20, and the high-pressure gas passes through the second gas delivery pipe 312, so that the high-pressure gas flows into the delivery tank 20 from the bottom end of the delivery tank 20, so as to utilize the high-pressure gas entering the delivery tank 20 from different positions , so that the high-pressure gas can be fully mixed with the material to form a suspended matter, and the suspended matter follows the high-pressure gas into the feeding pipe 41;

The gas enters the air intake box 4341 through the third air delivery pipe 313, thereby providing high-pressure air for the air intake box 4341, and the high-pressure air inside the air intake box 4341 enters the sealing cylinder 431. It is divided into two parts, and the partition ring 4331 guides high-pressure air to push one end of the rubber cover 4332 through the air inlet 4333, so that the high-pressure air flows into the bottom space of the partition ring 4331, and the high-pressure air pushes up the other end of the rubber cover 4332, so that the high pressure The air is mixed with the material in the material conveying pipe 41 along the air inlet hole of the conveying pipe 41 to form a uniformly mixed suspension and is discharged through the discharge hopper 42;

When conveying materials, the high-pressure air stored in the space at the bottom of the separation ring 4331 exceeds the threshold of the high-pressure relief valve 4351, and the high-pressure air that exceeds the threshold enters the three-way pipe 4352 through the high-pressure relief valve 4351, and passes through the three-way pipe 4352 for the two air cylinders 4321 at the same time. Air supply, the high-pressure air in the three-way pipe 4352 that exceeds the threshold value enters the air cylinder 4321 through the pipe between the three-way pipe 4352 and the air inlet end of the air cylinder 4321, so that the piston rod of the air cylinder 4321 can be extended and retracted, and the piston rod of the air cylinder 4321 can pass through the air cylinder 4321. Extend and retract to drive the blocking ring 4322 to descend, so that the blocking ring 4322 blocks the air outlet of the air intake box 4341 to prevent the high-pressure air from flowing into the sealing cylinder 431, so as to intermittently pass the high-pressure air into the feeding pipe 41 to avoid excessive Too much high pressure air affects the already mixed suspension.

The present utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned methods, as long as the non-essential improvement of the method concept and technical solution of the present utility model is adopted, or the Improvements in which the concept and technical solutions of the present invention are directly applied to other occasions are all within the protection scope of the present invention.

Claims (10)

1. An intelligent and energy-saving material positive pressure conveying system, comprising a storage hopper (10), characterized in that a conveying tank (20) is connected to the discharge end of the storage hopper (10), and the conveying tank (20) The air inlet end of the conveying tank (20) is connected with the air supply device (30), and the air outlet end of the conveying tank (20) is connected with a positive pressure conveying device (40); The air supply device (30) comprises an air delivery assembly (31) connected with the air inlet end of the conveying tank (20), and an air storage tank connected with the air inlet end of the air delivery assembly (31) (32), and an air compressor (33) connected to the intake end of the air storage tank (32); The positive pressure conveying device (40) comprises a conveying pipe (41) connected with the discharge end of the conveying tank (20) through a flange, and the conveying pipe (41) is far away from the conveying tank (20) A discharge hopper (42) connected with one end of the material conveying pipe (41), and a quantitative air supply assembly (43) sleeved on the outside of the material conveying pipe (41), the bottom end of the material conveying pipe (41) is provided with a plurality of air inlet holes ; The quantitative air supply assembly (43) includes a sealing cylinder (431) sleeved on the outer surface of the material conveying pipe (41), fixed on the outer surface of the sealing cylinder (431), and connected with the air conveying assembly (431). 31) an air intake assembly (434) connected to the air outlet end, and a flow control mechanism (433) provided at the inner bottom end of the sealing cylinder (431), the flow control mechanism (433) comprising a connection with the sealing cylinder (431). 431), and a separating ring (4331) connected with the inner wall of the separating ring (4331), and a rubber cover (4332) connected with the lower surface of the separating ring (4331). 2. A smart and energy-saving material positive pressure conveying system according to claim 1, characterized in that, the gas delivery assembly (31) comprises a shell that is sequentially penetrated through the gas storage tank (32) from top to bottom The first gas delivery pipe (311) and the second gas delivery pipe (312) on the body, one end of the first gas delivery pipe (311) away from the gas storage tank (32) is connected with the top of the delivery tank (20), The gas outlet end of the second gas delivery pipe (312) is connected with the bottom end of the delivery tank (20). 3. A smart and energy-saving material positive pressure conveying system according to claim 1, characterized in that, the gas delivery assembly (31) further comprises: 32) The third gas delivery pipe (313) and the fourth gas delivery pipe (314) on the housing, the end of the third gas delivery pipe (313) away from the gas storage tank (32) is in contact with the air inlet assembly (434); connected, and the end of the fourth gas pipe (314) away from the gas storage tank (32) is connected with the discharge hopper (42). 4. A smart and energy-saving positive pressure conveying system for materials according to claim 1, wherein the air intake assembly (434) comprises an air intake box (4341) mounted on the outer surface of the sealing cylinder (431) ), and a plurality of filter plates (4342) installed inside the air intake box (4341). 5. The intelligent and energy-saving material positive pressure conveying system according to claim 1, characterized in that, a plurality of air inlet holes (4333) are provided on the shell of the separating ring (4331), and a plurality of said The air intake holes (4333) are arranged around the axis of the dividing ring (4331). 6. A smart and energy-saving material positive pressure conveying system according to claim 1, characterized in that, the quantitative air supply assembly (43) further comprises a degassing mechanism (435) disposed outside the sealing cylinder (431) , the air release mechanism (435) comprises a high pressure air release valve (4351) pierced through the bottom end of the sealing cylinder (431), and a tee pipe (4352) connected to the end of the high pressure air release valve (4351) extending to the outside ). 7. The intelligent and energy-saving material positive pressure conveying system according to claim 6, characterized in that, the quantitative air supply assembly (43) further comprises a downflow mechanism ( 432), the downflow mechanism (432) includes a gas cylinder (4321) connected to the gas outlet end of the three-way pipe (4352) and mounted on the upper surface of the sealing cylinder (431), the gas cylinder (4321) ) of the piston rod extends to the inside of the sealing cylinder (431) is connected with a blocking ring (4322). 8. The intelligent and energy-saving material positive pressure conveying system according to claim 7, characterized in that, the air release mechanism (435) further comprises an inner wall mounted on the top of the sealing cylinder (431), and is connected to the barrier Termination post (4323) with which the upper surface of the ring (4322) abuts. 9 . The smart and energy-saving positive pressure conveying system for materials according to claim 1 , wherein a humidity sensor ( 21 ) is pierced on the top shell of the conveying tank ( 20 ). 10 . 10. The intelligent and energy-saving material positive pressure conveying system according to claim 1, characterized in that, a temperature sensor (321) is pierced through the top shell of the gas storage tank (32), and the gas storage tank (32) is provided with a temperature sensor (321). A plurality of electrically heated copper pipes (322) are installed inside the tank (32).

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