CN217894435U - Negative pressure pan feeding is close looks conveying system - Google Patents
Negative pressure pan feeding is close looks conveying system Download PDFInfo
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- CN217894435U CN217894435U CN202122376739.0U CN202122376739U CN217894435U CN 217894435 U CN217894435 U CN 217894435U CN 202122376739 U CN202122376739 U CN 202122376739U CN 217894435 U CN217894435 U CN 217894435U
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Abstract
The utility model discloses a negative pressure pan feeding dense phase conveying system, inhale material jar, material source storehouse, inhale material pipeline and controlling means including the negative pressure, the negative pressure is inhaled the top of material jar and is equipped with negative pressure generator, the interior top surface that the negative pressure was inhaled the material jar is equipped with the charge level indicator, one side that the negative pressure was inhaled the material jar is equipped with admission valve and bottom and is equipped with the bleeder valve, negative pressure generator has first air supply through the air inlet pipe connection, the material source storehouse sets up the one side that inhales the material jar at the negative pressure, the bottom in material source storehouse is equipped with inhales the charging tray, it is equipped with a plurality of gas injection valve, a plurality of on the material pipeline to inhale the gas injection valve all is connected with the second air supply through the trachea, controlling means sets up the opposite side that inhales the material jar at the negative pressure. This negative pressure pan feeding is close looks conveying system has realized utilizing compressed gas to produce the purpose that the negative pressure reaches high concentration transported substance material through negative pressure generator to avoid introducing outside air, and then avoid the problem that the material wets.
Description
Technical Field
The utility model belongs to the technical field of conveying system, concretely relates to negative pressure pan feeding is close looks conveying system.
Background
Pneumatic conveying devices refer to devices that use an air flow to convey bulk material along a pipeline. There are three types, suction type, pressure feed type, and hybrid type. The working principle is that the kinetic energy of the air flow is utilized to convey the bulk material in a suspension state along with the air flow along the pipeline. Compared with mechanical continuous conveying device, it features that the material is completely sealed in the conveying process, little influenced by weather and environment, good working condition of workers, no wetting, fouling or impurity mixing, simple equipment, compact structure, flexible arrangement, small occupied area, low cost of equipment, easy centralized control, automation and high conveying capacity. The pneumatic conveyer belongs to dense phase medium pressure pneumatic conveying, and is suitable for conveying non-breakable granules and powder materials. The method is widely applied to the industries of casting, chemical engineering, medicine and grain. The pneumatic conveying device, a conveying pipeline, a spherical tee joint, a supercharger, a pressurizing elbow and the like form a sealed conveying system, and an automatic control electric control system can be matched, so that unmanned control of the whole system and automatic control of a PLC are realized.
However, the existing pneumatic conveying device has the problem of low material conveying concentration in the use process, and in addition, air needs to be supplemented from the atmosphere in the use process, so that the materials are easily affected with damp. Therefore, it is desirable to design a negative pressure feeding dense phase conveying system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative pressure pan feeding dense phase conveying system to solve current pneumatic conveyor material transport concentration low, lead to the problem that the material wet easily.
In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure feeding dense-phase conveying system comprises a negative pressure suction tank, a material source bin, a suction pipeline and a control device, wherein a negative pressure generator is arranged at the top of the negative pressure suction tank, a material level meter is arranged on the inner top surface of the negative pressure suction tank, a feed valve is arranged on one side of the negative pressure suction tank, a discharge valve is arranged at the bottom of the negative pressure suction tank, the negative pressure generator is connected with a first air source through an air inlet pipeline, and an air inlet valve and an air outlet valve are respectively arranged at two ends of the air inlet pipeline;
the material source bin is arranged on one side of the negative pressure material suction tank, a material suction disc is arranged at the bottom of the material source bin, one end of a material suction pipeline is connected with a feed valve, the other end of the material suction pipeline is connected with the material suction disc, a plurality of gas injection valves are arranged on the material suction pipeline and connected with a second gas source through gas pipes, a pressure sensor is arranged in the material suction pipeline, and the control device is arranged on the other side of the negative pressure material suction tank.
Preferably, controlling means includes microprocessor and respectively with microprocessor electric connection's liquid crystal display, function button and PLC, controlling means still with negative pressure generator, charge level indicator, feed valve, bleeder valve, admission valve, discharge valve, gaseous injection valve and pressure sensor electric connection.
Preferably, the first gas source and the second gas source both use compressed air or inert gas.
Preferably, the negative pressure material suction tank, the material source bin and the material suction pipeline are all made of stainless steel.
Preferably, a filter screen is arranged in the material sucking disc.
Preferably, the joints of the material suction pipeline, the feed valve, the material suction disc and the gas injection valve are provided with sealing gaskets.
The utility model discloses a technological effect and advantage:
1. the negative pressure feeding dense-phase conveying system adopts high-pressure gas to form negative pressure on the material suction tank through the negative pressure generator, and a negative pressure gas source is not required to be additionally arranged, so that the structure is simple and the operation is reliable;
2. the negative pressure feeding dense-phase conveying system can perform high-concentration and long-distance material suction conveying, so that the crushing rate of materials is reduced;
3. the material source feeding of the negative pressure feeding dense-phase conveying system does not need to be provided with a feeder, the equipment is simple, the overall height of a material source bin can be reduced, and the material is fed according to needs by a suction disc;
4. the negative pressure feeding dense-phase conveying system can automatically supplement air according to the pressure requirement of a pipeline by arranging a gas injection valve;
5. the negative pressure feeding dense-phase conveying system is a closed system, air does not need to be supplemented from the atmosphere, wet air can be prevented from being sucked, and the negative pressure feeding dense-phase conveying system can be used in certain occasions where air cannot be sucked;
6. the negative pressure feeding dense-phase conveying system realizes full-automatic control by arranging a control device, starts by one key after setting an automatic operation mode, automatically operates, automatically detects and automatically stops.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
fig. 2 is a schematic structural diagram of the control device of the present invention;
fig. 3 is a horizontal cross-sectional view of the control device of the present invention.
In the figure: 1. a negative pressure material suction tank; 12. a negative pressure generator; 13. a level gauge; 14. a feed valve; 15. a discharge valve; 16. an air intake line; 17. an intake valve; 18. an exhaust valve; 19. a first gas source; 2. a material source bin; 21. a material suction disc; 3. a material suction pipeline; 31. a gas injection valve; 32. a pressure sensor; 33. a second gas source; 4. a control device; 41. a microprocessor; 42. a liquid crystal display screen; 43. a function button; 44. and (7) PLC.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a negative pressure pan feeding dense phase conveying system as shown in the figure, including negative pressure suction tank 1, material source storehouse 2, suction pipeline 3 and controlling means 4, the top of negative pressure suction tank 1 is equipped with negative pressure generator 12, the interior top surface of negative pressure suction tank 1 is equipped with charge level indicator 13, one side of negative pressure suction tank 1 is equipped with feed valve 14 and the bottom is equipped with bleeder valve 15, negative pressure generator 12 is connected with first air supply 19 through air inlet pipeline 16, the both ends of air inlet pipeline 16 are equipped with admission valve 17 and discharge valve 18 respectively;
the material source storehouse 2 sets up and inhales one side of material jar 1 at the negative pressure, the bottom in material source storehouse 2 is equipped with inhales the charging tray 21, the one end and the feed valve 14 of inhaling material pipeline 3 are connected, and the other end with inhale charging tray 21 and be connected, inhale and be equipped with the gaseous injection valve 31 of a plurality of, a plurality of on the material pipeline 3 gaseous injection valve 31 all is connected with second air supply 33 through the trachea, inhale and be equipped with pressure sensor 32 in the material pipeline 3, controlling means 4 sets up the opposite side of inhaling material jar 1 at the negative pressure.
In addition, controlling means 4 includes microprocessor 41 and respectively with microprocessor 41 electric connection's liquid crystal display 42, function button 43 and PLC44, controlling means 4 still with negative pressure generator 12, charge level indicator 13, feed valve 14, bleeder valve 15, admission valve 17, discharge valve 18, gas injection valve 31 and pressure sensor 32 electric connection, be favorable to the unified coordinated operation of each part for each part links into a function whole, sets for the one-key start-up behind the running mode, automatic operation, automated inspection, automatic shutdown.
It should be noted that the first air source 19 and the second air source 33 both use compressed air or inert gas, and do not need to supplement air from the atmosphere, so as to avoid sucking in humid air, and can be used in some situations where air cannot be sucked. The negative pressure material suction tank 1, the material source bin 2 and the material suction pipeline 3 are made of stainless steel, and have the advantages of being strong in pressure resistance, not prone to deformation and strong in corrosion resistance. It has the filter screen to inhale that charging tray 21 embeds, has outstanding sediment effect that separates, is favorable to guaranteeing to inhale that material pipeline 3 is unobstructed. The joints of the material suction pipeline 3, the material inlet valve 14, the material suction disc 21 and the gas injection valve 31 are all provided with sealing gaskets, so that the sealing performance of the system is improved.
The working principle is as follows: when the negative pressure feeding dense-phase conveying system is used, firstly, a feeding valve 14, an air inlet valve 17 and an exhaust valve 18 are opened through a control device 4, air in a first air source 19 passes through a negative pressure generator 12 at a high speed to enable a negative pressure suction tank 1 and a suction pipeline 3 communicated with the negative pressure suction tank 1 to form negative pressure, materials are sucked into the negative pressure suction tank 1 from a material source bin 2, the negative pressure generator 12 can generate enough negative pressure to enable the materials to be conveyed in a high concentration mode in the suction pipeline 3, when the resistance of the materials in the suction pipeline 3 exceeds the negative pressure generated by the negative pressure generator 12, material blockage can be generated, at the moment, an air injection valve 31 is opened to supplement air, the resistance of the whole suction pipeline 3 is reduced, normal suction is maintained, after the pipeline resistance is reduced to a set value, the air injection valve 31 stops air feeding, a dense-phase conveying state is consistently maintained in the suction pipeline 3, after the materials entering the negative pressure suction tank 1 reach a material level meter 13, the feeding valve 14 is automatically closed, and a discharge valve 15 at the bottom of the negative pressure suction tank 1 is opened to discharge the materials.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a close looks conveying system of negative pressure pan feeding, includes that the negative pressure inhales material jar (1), feed source storehouse (2), inhales material pipeline (3) and controlling means (4), its characterized in that: the negative pressure suction tank is characterized in that a negative pressure generator (12) is arranged at the top of the negative pressure suction tank (1), a material level meter (13) is arranged on the inner top surface of the negative pressure suction tank (1), a feeding valve (14) is arranged on one side of the negative pressure suction tank (1), a discharging valve (15) is arranged at the bottom of the negative pressure suction tank, the negative pressure generator (12) is connected with a first air source (19) through an air inlet pipeline (16), and an air inlet valve (17) and an exhaust valve (18) are respectively arranged at two ends of the air inlet pipeline (16);
the utility model discloses a material source storehouse, including material source storehouse (2), the bottom of material source storehouse (2) is equipped with inhales charging tray (21), the one end of inhaling material pipeline (3) is connected with feed valve (14), and the other end with inhale charging tray (21) and be connected, inhale to be equipped with a plurality of gas injection valve (31), a plurality of on material pipeline (3) gas injection valve (31) all are connected with second air supply (33) through the trachea, it is equipped with pressure sensor (32) in material pipeline (3) to inhale, controlling means (4) set up the opposite side that inhales material jar (1) at the negative pressure.
2. The negative pressure pan feeding dense phase conveying system of claim 1, wherein: controlling means (4) include microprocessor (41) and respectively with microprocessor (41) electric connection's liquid crystal display (42), function button (43) and PLC (44), controlling means (4) still with negative pressure generator (12), charge level indicator (13), feed valve (14), bleeder valve (15), admission valve (17), discharge valve (18), gas injection valve (31) and pressure sensor (32) electric connection.
3. The system of claim 1, wherein the system further comprises: the first gas source (19) and the second gas source (33) both adopt compressed air or inert gas.
4. The negative pressure pan feeding dense phase conveying system of claim 1, wherein: the negative pressure material suction tank (1), the material source bin (2) and the material suction pipeline (3) are all made of stainless steel.
5. The system of claim 1, wherein the system further comprises: a filter screen is arranged in the material suction disc (21).
6. The negative pressure pan feeding dense phase conveying system of claim 1, wherein: sealing gaskets are arranged at the joints of the material suction pipeline (3), the feed valve (14), the material suction disc (21) and the gas injection valve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376739.0U CN217894435U (en) | 2021-09-29 | 2021-09-29 | Negative pressure pan feeding is close looks conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376739.0U CN217894435U (en) | 2021-09-29 | 2021-09-29 | Negative pressure pan feeding is close looks conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217894435U true CN217894435U (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122376739.0U Active CN217894435U (en) | 2021-09-29 | 2021-09-29 | Negative pressure pan feeding is close looks conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217894435U (en) |
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2021
- 2021-09-29 CN CN202122376739.0U patent/CN217894435U/en active Active
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