CN213294009U - Fluidization long-distance pneumatic conveying bin pump - Google Patents
Fluidization long-distance pneumatic conveying bin pump Download PDFInfo
- Publication number
- CN213294009U CN213294009U CN202021878526.7U CN202021878526U CN213294009U CN 213294009 U CN213294009 U CN 213294009U CN 202021878526 U CN202021878526 U CN 202021878526U CN 213294009 U CN213294009 U CN 213294009U
- Authority
- CN
- China
- Prior art keywords
- pump body
- air inlet
- sleeve
- pipe
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Transport Of Granular Materials (AREA)
Abstract
A fluidization long-distance pneumatic conveying bin pump comprises a pump body, wherein the upper part of the pump body is provided with an upper shell, and the lower part of the pump body is provided with a lower shell; the opening at the top of the upper shell is provided with a pressure seal head, and the top of the pressure seal head is provided with an inlet valve; the top of the upper shell is provided with an exhaust pipe communicated with the interior of the pump body, and the tail end of the exhaust pipe is provided with an exhaust valve; the exhaust pipe is positioned on one side of the pressure seal head, the other side of the pressure seal head is provided with a sleeve communicated with the interior of the pump body, a discharge pipe is arranged in the sleeve, and an air inlet gap is formed between the sleeve and the discharge pipe; the bottom ends of the sleeve and the discharge pipe are positioned at the bottom of the lower shell, and the bottom end of the discharge pipe is positioned at the bottom of the sleeve and is provided with a discharge hole; the top end of the discharge pipe is positioned at the top of the sleeve and is provided with an outlet valve; the opening of this inferior valve bottom is equipped with the low head, and the juncture of this low head top and this inferior valve is equipped with foraminiferous horizontal backup pad, and this backup pad top surface is equipped with one deck fluidization membrane.
Description
Technical Field
The utility model belongs to the technical field of material pneumatic conveying, especially a fluidization long distance pneumatic conveying storehouse pump for powder material.
Background
In the industrial production process, various raw material powder, intermediate material powder and finished product powder are more or less involved in the transfer process, secondary dust can exist if the powder cannot be completely sealed in the transfer process, and therefore pneumatic conveying is the preferable powder transfer conveying mode. The traditional pneumatic conveying system can only convey powder in a short distance and cannot convey powder in a long distance, so that whether a conveying technology can convey powder in an ultra-long distance or not is a problem to be solved urgently in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fluidization long distance pneumatic conveying storehouse pump, its stable in structure, sealing performance is good, can show improvement transport distance. The pneumatic conveying bin pump can convey powder over 1 km.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a fluidization long-distance pneumatic conveying bin pump comprises a pump body, wherein the upper part of the pump body is a cylindrical upper shell, and the lower part of the pump body is a conical lower shell;
the opening at the top of the upper shell is provided with a pressure seal head, and the top of the pressure seal head is provided with an inlet valve; the top of the upper shell is provided with an exhaust pipe communicated with the interior of the pump body, and the tail end of the exhaust pipe is provided with an exhaust valve; the exhaust pipe is positioned on one side of the pressure seal head, the other side of the pressure seal head is provided with a sleeve communicated with the interior of the pump body, a discharge pipe is arranged in the sleeve, and an air inlet gap is formed between the sleeve and the discharge pipe; the bottom ends of the sleeve and the discharge pipe are positioned at the bottom of the lower shell, the bottom end of the discharge pipe is positioned at the bottom of the sleeve, and a bell-mouth-shaped discharge hole is formed in the discharge pipe; the top parts of the sleeve and the discharge pipe are positioned outside the pump body, and the top end of the discharge pipe is positioned at the top part of the sleeve and is provided with an outlet valve;
the opening at the bottom of the lower shell is provided with a lower seal head, a horizontal support plate with holes is arranged at the junction of the top of the lower seal head and the lower shell, the top surface of the support plate is provided with a layer of fluidized membrane, and the discharge hole is positioned above the fluidized membrane;
the part of the sleeve pipe positioned outside the pump body is provided with a first air inlet pipe with a valve and communicated with the air inlet gap; the outer walls of the upper shell and the lower shell are respectively provided with a second air inlet pipe and a third air inlet pipe with valves, and the second air inlet pipe and the third air inlet pipe are communicated with the interior of the pump body; the bottom end of the lower end enclosure is provided with a fourth air inlet pipe with a valve, and the fourth air inlet pipe is communicated with the interior of the lower end enclosure; the lower shell is provided with four evenly arranged fluidization points.
Further, the width of the air inlet gap is 10 mm.
Further, the inlet valve, the exhaust valve and the outlet valve are dome valves.
Further, the degree of the conical included angle of the lower shell is less than 60 degrees.
Furthermore, the fluidization points are uniformly arranged along the circumferential direction of the lower shell and have the same height as the third air inlet pipe.
The utility model has the advantages that: the utility model discloses fluidization long distance pneumatic conveying storehouse pump, its stable in structure, sealing performance is good, can show and improve conveying distance, can realize making general powder conveying distance exceed 1 km.
Drawings
Fig. 1 is a schematic structural view of the fluidization long-distance pneumatic conveying bin pump of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, the utility model provides a fluidization long distance pneumatic conveying storehouse pump, including the pump body 1, the pump body 1 is the storage component of pneumatic conveying storehouse pump. The upper part of the pump body 1 is a cylindrical upper shell 11, and the lower part is a conical lower shell 12. The degree of the conical included angle of the lower shell 12 is less than 60 degrees, so that the powder is prevented from being stacked and blanking difficultly in the bridging mode in the pump body 1.
The opening at the top of the upper shell 11 is provided with a pressure head 2, and the top of the pressure head 2 is provided with an inlet valve 21. The inlet valve 21 is generally centered in the pressure head 2 at the top of the pump body 1, through which the pump body 1 can be fed through the upper run. The inlet valve 21 is used for opening and closing to feed powder into the pump body 1 from an upstream position, an inlet of the inlet valve 21 is connected with an outlet of upstream powder storage equipment, and an outlet of the inlet valve 21 is connected with the pressure seal head 2 at the top of the pump body 1. The top of the upper shell 11 is provided with an exhaust pipe 3 communicated with the interior of the pump body 1, and the tail end of the exhaust pipe 3 is provided with an exhaust valve 31. The exhaust valve 31 is generally installed at the side position of the pressure seal head 2 on the top of the pump body 1, and is used for exhausting redundant gas in the pump body 1 before the pump body 1 feeds so as to prevent unsmooth feeding caused by pressure build-up. The exhaust valve 31 is an internal pressure relief valve of the pump body 1, and an outlet of the exhaust valve 31 is connected with an upper exhaust duct, which is generally connected with the top of an upstream storage device. This blast pipe 3 is located one side of this pressure head 2, and the opposite side of this pressure head 2 is equipped with the sleeve pipe 4 with the inside intercommunication of this pump body 1, and this sleeve pipe 4 is inside to be equipped with discharging pipe 5, has the air inlet gap between this sleeve pipe 4 and the discharging pipe 5, and the width in this air inlet gap is 10 mm. The bottom of this sleeve pipe 4 and discharging pipe 5 is located this 12 bottoms on the inferior valve, and the bottom of this discharging pipe 5 is located this sleeve pipe 4 bottom, and is equipped with the discharge gate 51 of horn mouth type, enlarges the discharge gate 51 area and can make the powder get into in discharging pipe 5 more easily. The top of the sleeve 4 and the top of the discharge pipe 5 are located outside the pump body 1, and the top of the discharge pipe 5 is located on the top of the sleeve 4, and is provided with an outlet valve 52 for opening and closing the pump body 1 to convey powder to downstream equipment.
Different from the common pneumatic conveying bin pump with a discharge port at the bottom, the lower end enclosure 6 is arranged at the opening at the bottom of the lower shell 12, a horizontal support plate 61 with holes is arranged at the junction of the top of the lower end enclosure 6 and the lower shell 12, a layer of fluidized film is arranged on the top surface of the support plate 61, and the discharge port 51 is positioned above the fluidized film. The powder can be fluidized before entering the discharge port 51 through the fluidized film, and further can be conveyed for a longer distance. The material of the fluidized film is generally polyester material.
The portion of the sleeve 4 outside the pump body 1 is provided with a first inlet pipe 41 with a valve, communicating with the inlet gap. The outer walls of the upper shell 11 and the lower shell 12 are respectively provided with a second air inlet pipe 111 and a third air inlet pipe 121 with valves, and both are communicated with the inside of the pump body 1. The bottom end of the lower end enclosure 6 is provided with a fourth air inlet pipe 62 with a valve, and the fourth air inlet pipe is communicated with the inside of the lower end enclosure 6. The lower casing is provided with four fluidization points which are uniformly arranged along the circumferential direction of the lower casing 12 and have the same height as the third air inlet pipe 121.
Specifically, the inlet valve 21, the exhaust valve 31, and the outlet valve 52 in the present invention are dome valves, which are most suitable for pneumatic transmission because the dome valves can be completely sealed against leakage in a special sealing manner.
The following is described in detail by the working process of the embodiment:
1) the utility model discloses each valve state is as follows before starting: the inlet valve 21 and the outlet valve 52 are closed, the exhaust valve 31 is opened, and the valves of the first air inlet pipe 41, the second air inlet pipe 111, the third air inlet pipe 121 and the fourth air inlet pipe 62 are closed;
2) opening an exhaust valve 31 to release the residual pressure in the pump body 1, opening an inlet valve 21 when the pressure in the pump body 1 is lower than 30kPa (G), and allowing the powder to fall into the pump body 1 from an upstream storage bin through the inlet valve 21;
3) when the high level gauge in the pump body 1 indicates that the pump body 1 is full, the inlet valve 21 and the exhaust valve 31 are closed simultaneously;
4) after the inlet valve 21 and the exhaust valve 31 are confirmed to be closed, the valves of the first air inlet pipe 41, the second air inlet pipe 111, the third air inlet pipe 121 and the fourth air inlet pipe 62 are opened, the pressure in the pump body 1 begins to rise, after the pressure in the pump body 1 rises to a set value A, the outlet valve is opened, and the material enters the discharge pipe 5 through the discharge hole 51, then enters the conveying pipeline through the outlet valve 52 and further enters the downstream conveying storage bin;
5) at the moment, the pressure in the pump body 1 continues to rise, when the pressure in the pump body rises to a set value B or reaches a set valve opening time, the valve on the second air inlet pipe 111 of the pump body 1 is closed, the valves of the first air inlet pipe 41, the third air inlet pipe 121 and the fourth air inlet pipe 62 continue to be opened, and the powder material continues to enter the discharge pipe 5 through the discharge hole 51 and then enters the conveying pipeline through the outlet valve 52, and further enters the downstream conveying storage bin;
6) after the powder in the pump body 1 gradually enters the downstream conveying bin, the pressure in the pump body 1 starts to gradually decrease, and when the pressure in the pump body 1 decreases to a set value C, the powder in the pump body 1 is completely conveyed to the downstream storage bin, and at the moment, the valves of the first air inlet pipe 41, the third air inlet pipe 121 and the fourth air inlet pipe 62 are closed;
7) after the valves of the first air inlet pipe 41, the second air inlet pipe 111, the third air inlet pipe 121 and the fourth air inlet pipe 62 are closed, the exhaust valve 31 is opened to start discharging residual gas in the pump body 1, and after the residual gas in the pump body 1 is discharged, the program starts to perform the circulation transportation again from the step 1.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. The present invention can be modified in many ways without departing from the spirit and scope of the present invention, and those skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A fluidization long-distance pneumatic conveying bin pump is characterized by comprising a pump body, wherein the upper part of the pump body is a cylindrical upper shell, and the lower part of the pump body is a conical lower shell;
the opening at the top of the upper shell is provided with a pressure seal head, and the top of the pressure seal head is provided with an inlet valve; the top of the upper shell is provided with an exhaust pipe communicated with the interior of the pump body, and the tail end of the exhaust pipe is provided with an exhaust valve; the exhaust pipe is positioned on one side of the pressure seal head, the other side of the pressure seal head is provided with a sleeve communicated with the interior of the pump body, a discharge pipe is arranged in the sleeve, and an air inlet gap is formed between the sleeve and the discharge pipe; the bottom ends of the sleeve and the discharge pipe are positioned at the bottom of the lower shell, the bottom end of the discharge pipe is positioned at the bottom of the sleeve, and a bell-mouth-shaped discharge hole is formed in the discharge pipe; the top parts of the sleeve and the discharge pipe are positioned outside the pump body, and the top end of the discharge pipe is positioned at the top part of the sleeve and is provided with an outlet valve;
the opening at the bottom of the lower shell is provided with a lower seal head, a horizontal support plate with holes is arranged at the junction of the top of the lower seal head and the lower shell, the top surface of the support plate is provided with a layer of fluidized membrane, and the discharge hole is positioned above the fluidized membrane;
the part of the sleeve pipe positioned outside the pump body is provided with a first air inlet pipe with a valve and communicated with the air inlet gap; the outer walls of the upper shell and the lower shell are respectively provided with a second air inlet pipe and a third air inlet pipe with valves, and the second air inlet pipe and the third air inlet pipe are communicated with the interior of the pump body; the bottom end of the lower end enclosure is provided with a fourth air inlet pipe with a valve, and the fourth air inlet pipe is communicated with the interior of the lower end enclosure; the lower shell is provided with four evenly arranged fluidization points.
2. A fluidized long-distance pneumatic conveying bin pump according to claim 1, characterized in that: the width of the intake gap is 10 mm.
3. A fluidisation long-distance pneumatic conveying chamber pump as claimed in claim 1 or 2, in which: the inlet valve, the exhaust valve and the outlet valve are dome valves.
4. A fluidisation long-distance pneumatic conveying chamber pump as claimed in claim 1 or 2, in which: the degree of the conical included angle of the lower shell is less than 60 degrees.
5. A fluidisation long-distance pneumatic conveying chamber pump as claimed in claim 1 or 2, in which: the fluidization points are uniformly arranged along the circumferential direction of the lower shell, and the height of the fluidization points is the same as that of the third air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878526.7U CN213294009U (en) | 2020-09-01 | 2020-09-01 | Fluidization long-distance pneumatic conveying bin pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021878526.7U CN213294009U (en) | 2020-09-01 | 2020-09-01 | Fluidization long-distance pneumatic conveying bin pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294009U true CN213294009U (en) | 2021-05-28 |
Family
ID=76028315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021878526.7U Active CN213294009U (en) | 2020-09-01 | 2020-09-01 | Fluidization long-distance pneumatic conveying bin pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294009U (en) |
-
2020
- 2020-09-01 CN CN202021878526.7U patent/CN213294009U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209177581U (en) | Full packages ultra-dense phase is energy-efficient to control the defeated grey the powder system of stifled abrasionproof pilot-operated type | |
| CN213294009U (en) | Fluidization long-distance pneumatic conveying bin pump | |
| CN205574724U (en) | Material loading machine with pipeline blowback structure | |
| CN206384574U (en) | A kind of air-transport system | |
| CN210456610U (en) | Double-disc valve type vacuum charging machine | |
| CN102167200B (en) | Limestone powder warehouse | |
| CN108792630A (en) | A kind of sending cans for powdery material pneumatic conveying | |
| CN210456689U (en) | Hybrid unloading system suitable for bulk material transport vehicle | |
| CN201990116U (en) | Limestone powder chamber | |
| CN211418287U (en) | Coal powder bin provided with discharging and weighing device and feeding fluidization system | |
| CN207329776U (en) | A kind of storehouse pumps fluidizer | |
| CN204689138U (en) | Pneumatic transporting ash silo pump | |
| CN210681874U (en) | Device for preventing powdery material at bottom of storage bin from being blocked | |
| CN217050691U (en) | Material conveying device based on pressure balance | |
| CN207390477U (en) | A kind of wear-resisting anticlogging induction apparatus | |
| CN216548376U (en) | Feeding machine with double-opening discharging function | |
| CN217626365U (en) | Raw material sand pneumatic conveying system | |
| CN214358995U (en) | Rotary unloading gas locking valve with gas seal | |
| CN108266550A (en) | A kind of adaptive pressure release safety device | |
| CN214569128U (en) | Pneumatic conveying bin pump | |
| CN208265027U (en) | Powder bulk bin with interlocking pneumatic device | |
| CN214827281U (en) | Blanking air escape device | |
| CN219116241U (en) | Vertical tank fluidization device with arch breaking function | |
| CN219488918U (en) | Pneumatic conveying and sending tank | |
| CN216470924U (en) | Blanking amount adjusting device of negative pressure system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |