CN211254436U - A silo pump conveying system - Google Patents

Abstract

The utility model relates to a storehouse pump conveying system, including storehouse pump and venturi, install the dust remover on the storehouse pump, storehouse pump top is connected with the deashing valve, the storehouse pump is connected with the venturi, be connected with discharge valve between venturi and the storehouse pump, the storehouse pump is connected with the feed valve, the deashing valve is connected with discharge valve, the feed valve is connected with the feeder hopper. The structure realizes the transportation mode of two materials of negative pressure material suction and positive pressure material feeding by utilizing the change of air pressure in the bin pump, simplifies the structure of the device, reduces the height of the device and saves energy.

Description

A silo pump conveying system

technical field

The utility model relates to a pneumatic conveying system, in particular to a storage pump conveying system.

Background technique

In the existing pneumatic conveying system, the feeding method of the silo pump is mostly gravity blanking, which directly enters the silo by gravity from the bottom of the silo or the bottom of the unpacking station. This feeding method will greatly increase the height of the workshop, increase the unpacking station, increase the input cost, and increase the difficulty of work.

Patent CN201620902116.9 discloses a silo pump conveying system for powder conveying, including first, second and third silo, the first silo is connected with the second silo through a safety valve, and the second silo is connected with the third silo. The silo is connected by a ball valve and a secondary filter, and the second silo and the first silo are also connected by two safety valves and a filter. There is a silo pressure detector on the second silo, and the second silo is also connected with The DC pneumatic ball valve, the control valve and the pneumatic globe valve are connected. The pneumatic globe valve is arranged between the DC pneumatic ball valve and the control valve. One end of the control valve is connected to the second silo through a solenoid valve and a one-way globe valve, and one end of the pneumatic globe valve is connected to the second silo. The online filter and safety relief valve are connected with the ball valve, and the DC pneumatic ball valve is connected with the ball valve. The realization of the silo pump transportation in the above device is to use the height difference between the silos to realize the transportation of materials. Due to the height difference, the overall height of the structure and the overall height of the site have higher requirements. The cost of formation is large.

Patent CN201620511186.1 discloses a pneumatic conveying system, including an air inlet device, a feeding group, a gas-solid separation device, an exhaust fan and a main pipeline; the two ends of the main pipeline are respectively provided with an air inlet device and a gas-solid connection communicated with the main pipeline. Separation device; the main pipeline is provided with at least one set of feeding groups that communicate with the main pipeline; the exhaust fan is communicated with the gas-solid separation device; the air inlet device includes a cover body and an air inlet valve, and the cover body is provided with an air inlet for air intake The valve is located at the connection between the cover body and the main pipeline; the feeding group includes at least one feeding device, and the feeding device includes a cylinder body and a feeding valve, the cylinder body is provided with a feeding port, and the feeding valve is located at the connection between the cylinder body and the main pipeline. The above-mentioned device mainly uses the high wind speed formed by the air inlet device and the air extraction device to transmit the material for the processing of the material. Because the high wind speed required for conveying the material requires high energy to blow the material.

The above-mentioned prior art has certain technical deficiencies in material conveying.

Utility model content

The technical problem to be solved by the present utility model is to provide the storage pump conveying system which uses negative pressure to suck materials, thereby reducing the height of the used workshop and saving energy.

The purpose of the present utility model is achieved through the following technical means:

A silo pump conveying system includes a silo pump and a venturi, a dust collector is installed on the silo pump, the top of the silo pump is connected with a ash cleaning valve, the silo pump is connected with the venturi, the venturi and the silo are connected An exhaust valve is connected between the pumps, a feed valve is connected to the bin pump, the ash cleaning valve is connected to an exhaust valve, and the feed valve is connected to a feed hopper.

In the above structure, the silo pump adopts negative pressure suction and positive pressure transportation to realize the transportation of materials. In order to make the silo pump in the negative pressure mode to suck the material, first open the venturi to evacuate the gas in the silo pump to make the inside of the silo pump. It is in a negative pressure state. Due to the pressure difference between the inside and outside, the material in the hopper enters the silo pump through the feed valve. The negative pressure suction method simplifies the suction process and reduces energy consumption. There is a height difference between the material valve and the silo pump, and the height requirements for the workshop are not high.

Preferably, a venturi intake valve is installed on the venturi, and the venturi intake valve is connected to an air compression device.

In the above structure, the air compressing device provides power for the venturi to realize the negative pressure state in the silo pump. The operation of the air compressing device enables the venturi to extract the gas in the silo pump and present a negative pressure state, so that the silo pump presents a negative pressure suction material. Effect.

Preferably, a top air intake valve is installed on the top of the silo pump, and a bottom air intake valve is installed on the lower part of the silo pump.

The above device closes the venturi after the silo pump sucks the material, and opens the top air inlet valve and the bottom air inlet valve to make the silo pump present a positive pressure state to realize the conveying of the material in the silo pump.

Preferably, a bottom discharge valve is provided at the bottom of the bin pump, and the bottom discharge valve is connected to the target bin.

Preferably, the feeding hopper, the feeding valve and the bin pump are connected by a material pipe, and the bottom discharge valve and the target bin are connected by a material pipe.

Preferably, the top air intake valve and the bottom air intake valve are respectively connected to the air compressing device through ventilation pipes.

The above-mentioned device realizes the gas in and out of the silo pump, and realizes the positive and negative pressure states in the silo pump.

Preferably, the material pipe between the Venturi and the destination bin is communicated with a dust removal pipe.

Preferably, the venturi is connected with the exhaust valve and the silo pump through a vent pipe, the silo pump and the ash cleaning valve are connected through a vent pipe, and the ash cleaning valve and the exhaust valve are connected through a vent pipe connect.

Preferably, the venturi is connected with the venturi intake valve and the air compressing device through a ventilation pipe.

The utility model achieves the following beneficial effects:

1. The above device uses the Venturi to make the silo pump in a negative pressure state, and transports the materials to be transported in the hopper to the silo pump through the feeding valve to realize the process of negative pressure suction. After the negative pressure suction is completed, the venturi is closed. , Use the top air intake valve and bottom air intake valve on the silo pump to restore the positive pressure state in the silo pump to realize the positive pressure transportation of materials in the silo pump. Due to the negative pressure suction and positive pressure transportation method in the silo pump, the height difference of the conveying device is not required, the requirements for the use site are not high, and the height of the workshop is not limited.

2. The above devices mainly use the air pressure difference to transport materials, and do not use large kinetic energy when transporting materials, thus saving energy.

Description of drawings

Figure 1 is a schematic diagram of a storage pump conveying system of the present invention.

In the picture: 1-silo pump, 2-venturi, 3-ash cleaning valve, 4-exhaust valve, 5-feed valve, 6-feed hopper, 7-air compression device, 8-purpose bin, 11- Dust collector, 12-top intake valve, 13-bottom intake valve, 14-bottom discharge valve, 21-venturi intake valve.

Detailed ways

The following are specific embodiments of the present utility model and the accompanying drawings to further describe the technical solutions of the present utility model, but the present utility model is not limited to these embodiments.

Example 1

As shown in FIG. 1 , a silo pump conveying system includes a silo pump 1 and a Venturi 2. It is characterized in that a dust collector 11 is installed on the silo pump 1, and the top of the silo pump 1 is connected with a cleaning valve 3. , the silo pump 1 is connected with the venturi 2, the venturi 2 and the silo pump 1 are connected with an exhaust valve 4, the silo pump 1 is connected with a feeding valve 5, and the ash cleaning valve 3 is connected with the exhaust valve 4. The air valve 4 is connected, and the feed valve 5 is connected with the feed hopper 6 .

In the above structure, the silo pump adopts negative pressure suction and positive pressure transportation to realize the transportation of materials. In order to make the silo pump in the negative pressure mode to suck the material, first open the venturi to evacuate the gas in the silo pump to make the inside of the silo pump. It is in a negative pressure state. Due to the pressure difference between the inside and outside, the material in the hopper enters the silo pump through the feed valve. The negative pressure suction method simplifies the suction process and reduces energy consumption. There is a height difference between the material valve and the silo pump, and the height requirements for the workshop are not high.

A venturi intake valve 21 is installed on the venturi 2 , and the venturi intake valve 21 is connected to the air compressing device 7 .

In the above structure, the air compressing device provides power for the venturi to realize the negative pressure state in the silo pump. The operation of the air compressing device enables the venturi to extract the gas in the silo pump and present a negative pressure state, so that the silo pump presents a negative pressure suction material. Effect.

A top air intake valve 12 is installed on the top of the silo pump 1 , and a bottom air intake valve 13 is installed on the lower part of the silo pump 1 .

The above device closes the venturi after the silo pump sucks the material, and opens the top air inlet valve and the bottom air inlet valve to make the silo pump present a positive pressure state to realize the conveying of the material in the silo pump.

The bottom of the bin pump 1 is provided with a bottom discharge valve 14 , and the bottom discharge valve 14 is connected to the target bin 8 .

The feeding hopper 6, the feeding valve 5 and the bin pump 1 are connected by a material pipe, and the bottom discharge valve 14 and the target bin 8 are connected by a material pipe.

The top air intake valve 12 and the bottom air intake valve 13 are respectively connected to the air compressing device 7 through a vent pipe.

The above-mentioned device realizes the gas in and out of the silo pump, and realizes the positive and negative pressure states in the silo pump.

The venturi 2 is communicated with the destination bin 8 by a dust removal pipe.

The venturi 2 is connected with the exhaust valve 4 and the warehouse pump 1 through a ventilation pipe, and the warehouse pump 1 and the ash cleaning valve 3 are connected through a ventilation pipe. connected by a vent tube.

The venturi 2 is connected with the venturi intake valve 21 and the air compressing device 7 through a ventilation pipe.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (9)

1. A silo pump conveying system, characterized in that: comprising a silo pump (1) and a Venturi (2), characterized in that a dust collector (11) is installed on the silo pump (1), and the silo pump (1) is (1) The top is connected to the ash cleaning valve (3), the silo pump (1) is connected to the venturi (2), and an exhaust valve (4) is connected between the venturi (2) and the silo pump (1). ), the silo pump (1) is connected with a feeding valve (5), the cleaning valve (3) is connected with the exhaust valve (4), and the feeding valve (5) is connected with the feeding hopper (6) connect. 2. The silo pump conveying system according to claim 1, characterized in that, a venturi intake valve (21) is installed on the venturi (2), and the venturi intake valve (21) is connected with the air The compression device (7) is connected. 3. The silo pump conveying system according to claim 1, characterized in that a top air intake valve (12) is installed on the top of the silo pump (1), and a bottom air intake is installed on the lower part of the silo pump (1). valve (13). The silo pump conveying system according to claim 1, characterized in that, a bottom discharge valve (14) is provided at the bottom of the silo pump (1), and the bottom discharge valve (14) is connected to the destination bin (14). 8) Connect. The silo pump conveying system according to claim 4, characterized in that the feeding hopper (6), the feeding valve (5) and the silo pump (1) are connected by a material pipe, and the bottom The discharge valve (14) and the destination bin (8) are connected through a material pipe. 6. The silo pump delivery system according to claim 3, characterized in that the top air intake valve (12) and the bottom air intake valve (13) are respectively connected to the air compressing device (7) through a vent pipe. 7 . The silo pump conveying system according to claim 4 , wherein the venturi ( 2 ) and the destination silo ( 8 ) are connected by a dust removal pipe. 8 . The silo pump delivery system according to claim 1, characterized in that, the venturi (2) is connected with the exhaust valve (4) and the silo pump (1) through a ventilation pipe, and the silo pump (1) is connected with the ash cleaning valve (3) through a ventilation pipe, and the ash cleaning valve (3) and the exhaust valve (4) are connected through a ventilation pipe. 9 . The silo pump delivery system according to claim 1 , wherein the venturi ( 2 ) is connected with the venturi inlet valve ( 21 ) and the air compressing device ( 7 ) through a ventilation pipe. 10 .

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