CN219326319U

CN219326319U - Negative pressure pneumatic conveying pump for conveying powder

Info

Publication number: CN219326319U
Application number: CN202223054018.9U
Authority: CN
Inventors: 张云; 侯永柱; 陈玮; 郭东伟; 陈林; 王文民
Original assignee: Hefei Oceanpower Petrochemical Equipment Co ltd
Current assignee: Hefei Oceanpower Petrochemical Equipment Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-07-11
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of pneumatic conveying pumps, in particular to a negative pressure pneumatic conveying pump for conveying powder, which sequentially comprises a lower end socket, a cylinder body and an upper end socket from bottom to top, wherein the bottom end of the lower end socket is provided with a discharge hole, a fluidization air inlet is arranged above the discharge hole, a feed inlet is arranged above the fluidization air inlet, the cylinder body is provided with a flow guiding component and a filter, the upper end socket is provided with a blowing pipe component, the blowing pipe component is provided with a pulse air inlet, an air outlet pipeline is arranged above the blowing pipe component, and a negative pressure pump is arranged on the air outlet pipeline; and a blowing pipe assembly is arranged between the negative pressure pump and the filter, the blowing pipe assembly is provided with a pulse gas inlet, and the pulse gas of the blowing pipe assembly is used for intermittently blowing the porous filter screen at the top end of the filter to prevent the filter from being blocked.

Description

Negative pressure pneumatic conveying pump for conveying powder

Technical Field

The utility model relates to the technical field of pneumatic conveying pumps, in particular to a negative-pressure pneumatic conveying pump for conveying powder.

Background

The pneumatic conveying device is a specific application of fluidization technology by utilizing the energy of air flow to convey granular materials in the air flow direction in a closed pipeline, has simple structure and convenient operation, and can be used for conveying horizontally, vertically or obliquely.

When the existing pneumatic conveying pump is used, a filter screen is designed to block the pump body so as to prevent the powder from blocking the pump body, and a large amount of powder can be blocked in the filter holes of the filter screen after long-time use, so that the filter holes are easy to be blocked, and the normal operation of pneumatic conveying is affected.

Based on the above, the utility model provides a negative pressure pneumatic conveying pump for conveying powder.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a negative pressure pneumatic conveying pump for conveying powder, which is used for solving the technical problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides a carry negative pressure air force delivery pump of powder, includes low head, barrel and upper head from the bottom up in proper order, the bottom of low head is equipped with the discharge gate, and the top of discharge gate is equipped with the fluidization air inlet, and the top of fluidization air inlet is equipped with the feed inlet, water conservancy diversion subassembly and filter are installed to the barrel, the jetting pipe subassembly is installed to the upper head, the jetting pipe subassembly is equipped with the pulse air inlet, the pipeline of giving vent to anger is installed to the top of jetting pipe subassembly, the negative pressure pump is installed to the outlet duct.

Preferably, the flow guiding assembly is provided with cyclone channels, the number of which is 6 and is uniformly arranged.

Preferably, the number of said lance assemblies is 11 and are equidistantly arranged.

Preferably, the cylinder body and the upper sealing head are both provided with pressure transmitter ports.

The beneficial effects of the utility model are as follows:

and a blowing pipe assembly is arranged between the negative pressure pump and the filter, the blowing pipe assembly is provided with a pulse gas inlet, and the pulse gas of the blowing pipe assembly is used for intermittently blowing the porous filter screen at the top end of the filter to prevent the filter from being blocked.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of a lance assembly;

FIG. 3 is a schematic view of the structure of A-A in FIG. 1;

FIG. 4 is a schematic view of the structure of B-B in FIG. 1;

FIG. 5 is a schematic view of the structure of C-C in FIG. 1;

FIG. 6 is a schematic diagram of the structure of D-D in FIG. 1;

in the drawings, the components represented by the respective reference numerals are as follows:

the device comprises a lower seal head 1, a cylinder body 2, an upper seal head 3, a discharge port 4, a fluidization air inlet 5, a feed port 6, a flow guide assembly 7, a filter 8, a blowing pipe assembly 9, a pulse air inlet 10, an air outlet pipeline 11, a cyclone channel 12, a pressure transmitter port 13, a flow distribution channel 14 and a gas bag bracket 15.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, a negative pressure pneumatic conveying pump for conveying powder sequentially comprises a lower sealing head 1, a cylinder body 2 and an upper sealing head 3 from bottom to top, wherein a discharge hole 4 is formed in the bottom end of the lower sealing head 1, a fluidization air inlet 5 is formed in the upper side of the discharge hole 4, a feed inlet 6 is formed in the upper side of the fluidization air inlet 5, a diversion channel 14 is formed in the feed inlet 6, a diversion component 7 and a filter 8 are arranged on the cylinder body 2, a blowing pipe component 9 is arranged on the upper sealing head 3, a pulse air inlet 10 is formed in the blowing pipe component 9, an air bag bracket 15 is arranged below the pulse air inlet 10, intermittent blowing is conducted on a porous filter screen at the top end of the filter 8 through pulse air of the blowing pipe component 9, the filter 8 is prevented from being blocked, an air outlet pipeline 11 is arranged above the blowing pipe component 9, and a negative pressure pump is arranged on the air outlet pipeline 11.

Wherein, the guiding component 7 is provided with cyclone channels 12, and the number of the cyclone channels 12 is 6 and is uniformly arranged.

Wherein the number of lance assemblies 9 is 11 and are arranged equidistantly.

Wherein, barrel 2, upper head 3 all are equipped with pressure transmitter mouth 13 for install pressure transmitter.

The working principle of the utility model is as follows: starting a negative pressure pump, wherein materials enter from a feed inlet 6, air enters from a fluidization air inlet 5, enters into a fluidization cavity along a flow guide assembly 7, finally, the materials flow out from a discharge outlet 4, gas is discharged from an air outlet pipeline 11, and a filter 8 prevents the materials from entering the negative pressure pump; the pulse gas of the jetting pipe assembly 9 intermittently jets the porous filter screen at the top end of the filter 8, so that the filter 8 is prevented from being blocked by materials, and the working efficiency of the negative pressure pump is ensured.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a carry negative pressure air force transfer pump of powder, includes low head (1), barrel (2) and upper head (3) from the bottom up in proper order, its characterized in that: the bottom of low head (1) is equipped with discharge gate (4), and the top of discharge gate (4) is equipped with fluidization air inlet (5), and the top of fluidization air inlet (5) is equipped with feed inlet (6), water conservancy diversion subassembly (7) and filter (8) are installed to barrel (2), injection pipe subassembly (9) are installed to upper head (3), injection pipe subassembly (9) are equipped with pulse gas air inlet (10), air outlet pipeline (11) are installed to the top of injection pipe subassembly (9), negative pressure pump is installed to air outlet pipeline (11).

2. The negative pressure pneumatic conveying pump for conveying powder according to claim 1, wherein: the air guide assembly (7) is provided with cyclone channels (12), and the number of the cyclone channels (12) is 6 and the cyclone channels are uniformly distributed.

3. The negative pressure pneumatic conveying pump for conveying powder according to claim 1, wherein: the number of the blowing pipe assemblies (9) is 11 and the blowing pipe assemblies are equidistantly arranged.

4. The negative pressure pneumatic conveying pump for conveying powder according to claim 1, wherein: the cylinder body (2) and the upper sealing head (3) are both provided with pressure transmitter ports (13).