CN214827291U - Dry powder mortar malleation pneumatic conveying system - Google Patents
Dry powder mortar malleation pneumatic conveying system Download PDFInfo
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- CN214827291U CN214827291U CN202121555848.2U CN202121555848U CN214827291U CN 214827291 U CN214827291 U CN 214827291U CN 202121555848 U CN202121555848 U CN 202121555848U CN 214827291 U CN214827291 U CN 214827291U
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Abstract
The utility model relates to a positive pressure pneumatic conveying system for dry-mixed mortar, which comprises a sending tank; the powder bin is connected with the sending tank through a feeding pipeline, and a pneumatic ball valve is arranged on the feeding pipeline; and the positive pressure supply device comprises an air storage tank for providing compressed air, an air conveying pipeline and an air control unit, one end of the air conveying pipeline is connected with the air storage tank, the other end of the air conveying pipeline is provided with a stamping branch and a blowing-assisting branch, pneumatic ball valves are arranged on the stamping branch and the blowing-assisting branch, the air control unit is arranged at one end of the air conveying pipeline connected with the air storage tank, the stamping branch is connected with the sending tank to input the compressed air into the sending tank, and the blowing-assisting branch is connected with the feeding pipeline to input the compressed air into the feeding pipeline. The utility model discloses but automatically regulated sends jar inlet pressure, when the energy saving consumes and slows down the equipment loss, blocks up the pipeline when can also avoiding powdery material to carry, improves conveying efficiency and guarantees production safety.
Description
Technical Field
The utility model relates to a material conveying field, more specifically relates to a dry powder mortar malleation pneumatic conveying system.
Background
Dry-mixed mortar is a granular or powdery material prepared by physically mixing dry-screened aggregate (such as quartz sand), inorganic cementing material (such as cement), additive (such as polymer) and the like according to a certain proportion, and the granular or powdery material is transported to a construction site in a bag or in bulk form and can be directly used after being mixed with water. In the preparation process of dry powder mortar, materials need to be conveyed from a lower unloading station to a higher powder bin opening, and excessive manpower and material resources need to be consumed if the materials are directly conveyed, so that the powdery materials are conveyed to the powder bin and then are proportioned by adopting a positive pressure pneumatic conveying mode at present.
The positive pressure pneumatic conveying system conveys materials by utilizing positive pressure gas, when the system conveys the materials, the compressed gas is input into a material tank which stores the materials to be conveyed, so that the compressed gas and the materials are mixed, the mixed compressed gas and the materials enter a material bin through a pipeline, the compressed gas is discharged into the air through a dust removal device, and the materials are deposited into the material bin to realize the separation of the materials and the compressed gas. The mode has large material conveying amount and long conveying distance, and can effectively improve the production efficiency. However, in the prior art, this kind of malleation pneumatic conveyor system for carrying powdery material is simply through compressed air transported substance material, can not automatically regulated pressure in the pipeline, too big will lead to the energy consumption higher and equipment wearing and tearing when the pressure in the pipeline, be unfavorable for long-term production, pressure undersize will make the transported substance volume reduce when the pipeline, it is consuming time overlength, influence production efficiency, and the material can deposit in the pipeline when passing through pipeline, cause the pipeline to block up easily, need often clear up pipeline, waste time and energy, bring a great deal of inconvenience for the production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's at least one defect (not enough), provide a dry powder mortar malleation pneumatic conveyor system, but the import pressure of automatically regulated delivery tank, when the energy saving consumes and slows down the equipment loss, can also avoid powdery material to block up the pipeline when carrying, improve conveying efficiency and guarantee production safety.
The utility model adopts the technical scheme that a dry powder mortar malleation pneumatic conveying system is provided, include:
a sending tank;
the powder bin is connected with the sending tank through a feeding pipeline, and a pneumatic ball valve is arranged on the feeding pipeline; and
the positive pressure providing device comprises an air storage tank, an air conveying pipeline and an air control unit, wherein the air storage tank is used for providing compressed air, one end of the air conveying pipeline is connected with the air storage tank, the other end of the air conveying pipeline is provided with a stamping branch and an auxiliary blowing branch, the air control unit is arranged at one end, connected with the air storage tank, of the air conveying pipeline, pneumatic ball valves are arranged on the stamping branch and the auxiliary blowing branch, the stamping branch is connected with the sending tank so as to input the compressed air into the sending tank, and the auxiliary blowing branch is connected with the feeding pipeline so as to input the compressed air into the feeding pipeline.
In the technical scheme, the air storage tank is used for providing compressed air, when the compressed air is conveyed, the pneumatic ball valves of the feeding pipeline and the blowing-assisting branch are closed, the pneumatic ball valve of the stamping branch is opened, so that the sending tank is communicated with the air storage tank only through the stamping branch, the compressed air provided by the air storage tank is introduced into the air transmission pipeline, the pressure of the compressed air is adjusted through the pneumatic control unit, the adjusted compressed air enters the sending tank for containing the materials to be conveyed through the stamping branch to pressurize the inside of the sending tank, the materials are mixed with the compressed air in the sending tank, when the inside of the sending tank reaches a certain pressure, the pneumatic ball valves of the feeding pipeline and the blowing-assisting branch are opened, so that the compressed air mixed with the materials enters the powder bin through the feeding pipeline to be subjected to a batching process, the blowing assisting branch is right the feeding pipeline is blown assisting, the blowing assisting branch can avoid material blockage in the conveying process, the pressure of compressed air is controlled through the pneumatic control unit, the air consumption can be reduced, energy consumption can be saved, equipment loss can be reduced, the pressure in the feeding pipeline can be guaranteed to be enough to convey the material to a powder bin through the blowing assisting pipeline, blockage of the feeding pipeline is avoided, manual cleaning frequency is reduced, and time and labor are saved during production.
Furthermore, the powder bin comprises a plurality of powder storage tanks, one end of the feeding pipeline is connected with the sending tank and provided with the pneumatic ball valve, the other end of the feeding pipeline is provided with a plurality of branches which are respectively connected with the powder storage tanks, and each branch of the feeding pipeline is provided with a pneumatic reversing valve.
Preferably, the pneumatic reversing valve is a pneumatic three-way reversing valve.
According to the technical scheme, a group of powder bins are formed by a plurality of powder storage tanks, different powder storage tanks are used for storing different materials, different materials are added into the sending tank, and the materials in the sending tank are conveyed to the corresponding powder storage tanks by adjusting the pneumatic reversing valves on corresponding branches of the powder storage tanks to the through valve positions or the bypass valve positions so as to carry out subsequent batching procedures.
Furthermore, a bin back-blowing device used for pulse back-blowing to the powder bin is arranged above the powder bin, and the bin back-blowing device comprises a centrifugal fan and a dust remover connected with the centrifugal fan.
Furthermore, a bin back-blowing device for pulse back-blowing the powder bins is arranged above each powder storage tank, and the bin back-blowing device comprises a centrifugal fan and a dust remover connected with the centrifugal fan.
In the technical scheme, after compressed air mixed with powdery materials enters the powder storage tank of the powder bin, gas and the materials are separated, the gas is pumped to the outside of the powder storage tank after being filtered by the dust remover by the centrifugal fan, the discharged gas is prevented from containing tiny dust to pollute the environment, the dust remover can also carry out pulse back flushing, and the materials are blown down for reuse after being filtered and separated to reach a certain amount.
The material hopper is connected with the sending tank through a discharge pipeline, and a pneumatic butterfly valve is arranged on the discharge pipeline.
Still further, still include be used for with carry out the blowback device of unloading of pulse blowback to the hopper, the blowback device of unloading is connected with the hopper, and it includes centrifugal fan and dust remover connected with it.
Preferably, a ton bag discharging station is arranged above the material hopper.
In the technical scheme, a material hopper is arranged at the upper part of the sending tank so that materials in a ton bag discharging station can smoothly fall into the material hopper, and the material hopper is connected with a discharging back-blowing device so as to filter dust in the discharging process and perform pulse back-blowing on the filtered and blocked dust; when unloading, the pneumatic butterfly valve is opened, the materials of the ton bag unloading station fall into the material hopper and enter the sending tank through the unloading pipeline, after the unloading is finished, the pneumatic butterfly valve is closed, the sending tank is in a closed state, and compressed air is introduced into the sending tank for pressurization.
Further, the gas accuse unit includes PLC interlock, gas control valve, proportional valve and pressure sensor locate in proper order according to compressed air direction of delivery on the gas transmission pipeline, PLC interlock with gas control valve, pressure sensor are connected to adjust to the compressed air pressure of the inside input of sending jar.
In the technical scheme, the pressure of compressed air is detected by the pressure sensor and a detection value is fed back to the PLC interlocking device, the PLC interlocking device automatically adjusts the gas control valve according to the detection value of the pressure sensor to control the pressure of the conveyed compressed air, when the pressure of the sending tank is increased to exceed a preset range, the pressure of the compressed air is automatically adjusted by the gas control valve, otherwise, the pressure is automatically adjusted to be increased, the pressure in the equipment in the conveying process can be maintained in a stable range by automatically adjusting the pressure of the conveyed compressed air, the proportional valve is provided with a certain opening before the compressed air is conveyed, the compressed air entering the air conveying pipeline during stamping can be adjusted, the pressure sensor and the pipeline are prevented from being damaged due to the overlarge pressure of the compressed air during stamping, compared with the existing pneumatic positive pressure conveying system, the gas consumption and energy consumption are less, the equipment abrasion is slower, the flow of conveyed materials can be maintained in a certain range, and the blockage of the materials in the conveying process is avoided.
Further, the upper part of the sending tank is also provided with an emptying valve.
Preferably, the emptying valve is an emptying butterfly valve.
Further, send jar upper portion still to be equipped with high material level switch, and/or, the upper portion of powder storehouse is equipped with high material level switch, and the lower part is equipped with low material level switch.
Preferably, the upper part of the sending tank is also provided with a high material level switch, and/or the upper part of each powder storage tank is provided with a high material level switch, and the lower part of each powder storage tank is provided with a low material level switch.
In the technical scheme, a high material level switch at the upper part of the sending tank is used for monitoring the height of the material in the sending tank, and when the material reaches a set height, the discharging is stopped; the high material level switch and the low material level switch are respectively arranged on the upper portion and the lower portion of the powder storage tank and used for monitoring the height of materials in the powder storage tank, when the materials reach a set height, compressed air stops being supplied to stop conveying of the materials, when the materials are lower than the low material level switch on the lower portion of the powder storage tank, the control room is alarmed, and on-site operators are informed to supplement the materials into the corresponding powder storage tanks in time, the high material level switch and the low material level switch are arranged, so that material conveying and using conditions can be monitored in time, and the situation that the materials overflow or the materials are insufficient in the production process is avoided.
Furthermore, on the stamping branch, a pneumatic ball valve
The one end at the punching press branch road is set up, and the other end of punching press branch road sets up first punching press branch road and second punching press branch road, first punching press branch road with send jar upper portion and connect, second punching press branch road with send jar sub-unit connection, all be equipped with the check valve on first punching press branch road and the second punching press branch road.
Furthermore, a check valve is further arranged on the blowing-assisting branch, and the pneumatic ball valve and the check valve are sequentially arranged on the blowing-assisting branch along the compressed air conveying direction.
In the technical scheme, the first stamping branch inputs compressed air to the upper part of the sending tank to increase the pressure inside the sending tank so as to realize positive pressure pneumatic transmission, and the second stamping branch inputs compressed air to the lower part of the sending tank so as to avoid the problem that the powder material deposition blocks the discharge hole of the sending tank, so that the material cannot be normally conveyed and the conveying efficiency is influenced; check valves are arranged on the first stamping branch, the second stamping branch and the blowing assisting branch to ensure the unidirectional flow of compressed air in the pipeline and avoid accidents in the conveying process.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the pneumatic control unit is arranged between the air storage tank and the sending tank, the pressure of the compressed air conveyed to the sending tank is adjusted according to the inlet pressure of the sending tank, the used compressed air quantity and energy consumption are saved, and meanwhile, the conveying efficiency of the materials can be improved;
(2) the utility model can ensure that the pressure in the feeding pipeline is enough to convey the material to the powder bin through the blowing-assisting pipeline and the pneumatic control unit, and can avoid the feeding pipeline from being blocked, reduce the manual cleaning frequency and lead the production to be more time-saving and labor-saving;
(3) the utility model discloses set up the check valve on each pipeline of carrying compressed air, set up high material level switch on sending a jar upper portion to and set up high, low material level switch in powder storehouse upper and lower part, make production safe more effective, avoid appearing the accident in the transportation process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the pneumatic control unit.
In the drawings are labeled: a sending tank 100; a blow valve 110; a high level switch 120; a powder storage tank 210; a bin blowback device 220; a centrifugal fan 221; a dust remover 222; a low level switch 230; a feed conduit 300; a pneumatic ball valve 310; a pneumatic directional valve 320; an air reservoir 410; a gas transmission pipeline 420; a punch leg 421; a first punch leg 422; a second punch leg 423; a blow-assist branch 424; a check valve 425; an air control unit 430; a PLC interlock 431; a gas control valve 432; a proportional valve 433; a pressure sensor 434; a material hopper 510; a ton bag discharge station 520; a discharge duct 530; a pneumatic butterfly valve 531; and a discharge blowback device 540.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the embodiment provides a dry-mixed mortar positive-pressure pneumatic conveying system, which includes a sending tank 100, a powder bin and a positive-pressure providing device, wherein the powder bin is connected to the sending tank 100 through a feeding pipeline 300, and the positive-pressure providing device is connected to the sending tank 100.
The sending tank 100 is used for containing materials to be conveyed, a material hopper 510 is further arranged above the sending tank 100, the material hopper 510 is connected with the sending tank 100 through a discharge pipeline 530, a pneumatic butterfly valve 531 is arranged on the discharge pipeline 530, a ton bag discharging station 520 is arranged above the material hopper 510, the ton bag discharging station 520 pours the materials into the material hopper 510, and the materials enter the sending tank 100 through the discharge pipeline 530 to finish discharging; a discharging back-blowing device 540 connected with the material hopper 510 is also arranged and comprises a centrifugal fan 221 and a dust remover 222 connected with the centrifugal fan to filter dust in the discharging process and perform pulse back-blowing on the filtered and blocked dust; the upper portion of the sending tank 100 is further provided with an emptying valve 110 and a high material level switch 120, the emptying valve 110 can be an emptying butterfly valve, and the high material level switch 120 is used for monitoring the height of materials in the sending tank 100, and when the materials reach a set height, the discharging is stopped, so that the situation of material overflow in the discharging process is avoided.
The powder bin comprises a plurality of powder storage tanks 210 for storing different types of materials, the number of the powder storage tanks is preferably 8, each powder storage tank 210 is connected with the sending tank 100 through a feeding pipeline 300, specifically, one end of the feeding pipeline 300 is connected with the sending tank 100, the other end of the feeding pipeline is provided with a plurality of branches respectively connected with the powder storage tanks 210, each branch of the feeding pipeline 300 is provided with a pneumatic reversing valve 320, the pneumatic reversing valves 320 can be pneumatic three-way reversing valves, and when the corresponding type of materials are conveyed to different powder storage tanks 210, the pneumatic reversing valves 320 on the corresponding branches of each powder storage tank 210 need to be adjusted to be in through valve positions or bypass valve positions for conveying; a bin back-blowing device 220 for pulse back-blowing the powder bins is further arranged above each powder storage tank 210, the bin back-blowing device 220 comprises a centrifugal fan 221 and a dust remover 222 connected with the centrifugal fan 221, so that after compressed air mixed with powder materials enters the powder storage tanks 210 of the powder bins, gas and the materials can be smoothly separated, the gas is pumped to the dust remover 222 by the centrifugal fan 221 and then discharged out of the powder storage tanks 210, the discharged gas is prevented from containing tiny dust to pollute the environment, the dust remover 222 can also perform pulse back-blowing, when the filtering and blocking materials reach a certain amount, back-blowing is performed, and the materials are blown down into the powder storage tanks 210 for reuse; the upper part of each powder storage tank 210 is provided with a high material level switch 120, the lower part of each powder storage tank 210 is provided with a low material level switch 230, the high material level switch 120 and the low material level switch are arranged to monitor the height of the material in the powder storage tanks 210, when the height of the material reaches a set height, the supply of compressed air is stopped to stop the conveying of the material, when the material is lower than the low material level switch at the lower part of the powder storage tanks 210, the control room is alarmed, and field operators are informed to supplement the material into the corresponding powder storage tanks 210, so that the situation that the material overflows or the material is insufficient in the production process is avoided.
The positive pressure providing device comprises an air storage tank 410 for providing compressed air, an air transmission pipeline 420 and an air control unit 430, wherein one end of the air transmission pipeline 420 is connected with the air storage tank 410, the other end of the air transmission pipeline is provided with a stamping branch 421 and an auxiliary blowing branch 424, the stamping branch 421 is connected with the sending tank 100, the auxiliary blowing branch 424 is connected with the feeding pipeline 300, and the air control unit 430 is arranged at one end of the air transmission pipeline 420 connected with the air storage tank 410, so that the compressed air with pressure adjusted enters the sending tank 100 through the stamping branch 421 and enters the feeding pipeline 300 through the auxiliary blowing branch 424; one end of the stamping branch 421 is provided with a pneumatic ball valve 310, the other end of the stamping branch is provided with a first stamping branch 422 and a second stamping branch 423, the first stamping branch 422 is connected with the upper part of the sending tank 100, compressed air is input to the upper part of the sending tank 100 to increase the pressure inside the sending tank 100, so that positive pressure pneumatic conveying is realized, the second stamping branch 423 is connected with the lower part of the sending tank 100, compressed air is input to the lower part of the sending tank 100, the powder material is prevented from depositing and blocking a discharge hole of the sending tank 100, and the first stamping branch 422 and the second stamping branch 423 are respectively provided with a check valve 425 so as to ensure the unidirectional flow of the compressed air in the pipeline; the blowing-assisting branch 424 is used for assisting blowing of the feeding pipeline 300 to ensure the conveying pressure and avoid pipeline blockage, and the blowing-assisting branch 424 is sequentially provided with a pneumatic ball valve 310 and a check valve 425 along the conveying direction of compressed air to ensure the unidirectional flow of the compressed air in the blowing-assisting branch 424.
As shown in fig. 2, the pneumatic control unit 430 includes a PLC interlock device 431, a gas control valve 432, a proportional valve 433, and a pressure sensor 434, the gas control valve 432, the proportional valve 433, and the pressure sensor 434 are sequentially disposed on the gas transmission pipeline 420 according to a compressed air transmission direction, the proportional valve 433 is set to a certain opening degree before compressed air transmission is started, compressed air entering the gas transmission pipeline 420 during punching can be adjusted, the pressure sensor 434 and the pipeline are prevented from being damaged due to excessive compressed air pressure during punching, the PLC interlock device 431 is connected to the gas control valve 432 and the pressure sensor 434 to adjust the compressed air pressure input into the sending tank 100, the pressure sensor 434 detects the pressure of the compressed air and feeds back a detected value to the PLC interlock device 431, the PLC interlock device automatically adjusts the gas control valve 432 to control the transmitted compressed air pressure according to the detected data fed back by the pressure sensor, when the pressure of the sending tank 100 is increased to exceed a preset range, the pressure of compressed air is automatically reduced through the gas control valve 432, otherwise, the pressure is automatically increased, the pressure in the equipment in the conveying process can be maintained in a stable range through automatically adjusting the pressure of the conveyed compressed air, and after the material in the sending tank 100 is conveyed, the pressure sensor 434 can detect that the pressure in the sending tank 100 is reduced, and the cleaning program of the sending tank 100 and the feeding pipeline 300 is automatically started.
The working process of the dry powder mortar positive pressure pneumatic conveying system provided by the embodiment is as follows:
s1, according to the type of the material to be conveyed, a target powder storage tank 210 is selected and set through the ton bag unloading station 520, at the moment, the corresponding pneumatic reversing valve 320 above the powder storage tank 210 is switched to a through valve position or a bypass valve position, so that the feeding pipeline 300 can be introduced into the target powder storage tank 210, after the bin back-blowing device 220 and the unloading back-blowing device 540 are started to carry out pulse back-blowing, the ton bag is operated to unload the material to the unloading station, the material falls into the material hopper 510, and enters the sending tank 100 through the unloading pipeline 530 and the opened pneumatic butterfly valve 531;
s2, after the material enters the sending tank 100, the sending is confirmed to be started, at this time, the pneumatic butterfly valve 531 of the discharge pipeline 530 and the emptying valve 110 at the upper part of the sending tank 100 are closed successively, then the pneumatic ball valve 310 on the stamping branch 421 is opened, the proportional valve 433 is opened to a certain opening degree, the gas control valve 432 of the gas control unit 430 is opened, the compressed air enters the sending tank 100 through the stamping branch 421 to be stamped after the pressure is regulated and controlled by the proportional valve 433, in the compressed air conveying process, the pressure sensor 434 detects the pressure in the gas transmission pipeline 420 and feeds the detected value back to the PLC interlocking device 431, the PLC interlocking device 431 automatically adjusts the pressure of the compressed air conveyed by the gas control valve 432 according to the detected value, when the interior of the sending tank 100 reaches a set pressure range, the pressure sensor 434 feeds back the pressure value at this time, the pneumatic ball valve 310 on the feeding pipeline 300 is opened to convey the material in the sending tank 100 to the corresponding storage tank powder 210, simultaneously also opening the pneumatic ball valve 310 on the blow-assist branch 424 to assist blowing of the feed pipe 300;
s3, when the pressure value fed back by the pressure sensor 434 is low, that is, it indicates that the material in the sending tank 100 is completely conveyed, at this time, the sending tank 100 is conveyed with compressed air again according to the steps S1 and S2 to blow the powder material remaining in the sending tank 100 and the feeding pipe 300 into the powder storage tank to realize cleaning, after the cleaning is completed, all valves return to the original positions, and the bin back-blowing device 220 and the discharge back-blowing device 540 are closed.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. The dry powder mortar positive pressure pneumatic conveying system is characterized by comprising:
a sending tank;
the powder bin is connected with the sending tank through a feeding pipeline, and a pneumatic ball valve is arranged on the feeding pipeline; and
the positive pressure providing device comprises an air storage tank, an air conveying pipeline and an air control unit, wherein the air storage tank is used for providing compressed air, one end of the air conveying pipeline is connected with the air storage tank, the other end of the air conveying pipeline is provided with a stamping branch and an auxiliary blowing branch, the air control unit is arranged at one end, connected with the air storage tank, of the air conveying pipeline, pneumatic ball valves are arranged on the stamping branch and the auxiliary blowing branch, the stamping branch is connected with the sending tank so as to input the compressed air into the sending tank, and the auxiliary blowing branch is connected with the feeding pipeline so as to input the compressed air into the feeding pipeline.
2. The positive-pressure pneumatic conveying system for dry-mixed mortar according to claim 1, wherein the powder bin comprises a plurality of powder storage tanks, one end of the feeding pipeline is connected with the sending tank and provided with the pneumatic ball valve, the other end of the feeding pipeline is provided with a plurality of branches which are respectively connected with the powder storage tanks, and each branch of the feeding pipeline is provided with a pneumatic reversing valve.
3. The dry-mixed mortar positive-pressure pneumatic conveying system according to claim 1, wherein a bin back-blowing device for pulse back-blowing the powder bin is arranged above the powder bin, and the bin back-blowing device comprises a centrifugal fan and a dust collector connected with the centrifugal fan.
4. The dry powder mortar positive pressure pneumatic conveying system according to claim 1, further comprising a material hopper for discharging to the sending tank, wherein the material hopper is connected with the sending tank through a discharging pipeline, and a pneumatic butterfly valve is arranged on the discharging pipeline.
5. The dry-mixed mortar positive-pressure pneumatic conveying system according to claim 4, further comprising an unloading blowback device for performing pulse blowback on the material hopper, wherein the unloading blowback device is connected with the material hopper and comprises a centrifugal fan and a dust remover connected with the centrifugal fan.
6. The dry powder mortar positive pressure pneumatic conveying system according to claim 1, wherein the pneumatic control unit comprises a PLC interlocking device, a gas control valve, a proportional valve and a pressure sensor, the gas control valve, the proportional valve and the pressure sensor are sequentially arranged on the gas conveying pipeline according to the conveying direction of compressed air, and the PLC interlocking device is connected with the gas control valve and the pressure sensor so as to adjust the pressure of the compressed air input into the sending tank.
7. The dry powder mortar positive pressure pneumatic conveying system of claim 1, wherein an emptying valve is further arranged at the upper part of the sending tank.
8. The dry powder mortar positive pressure pneumatic conveying system according to claim 1, wherein a high material level switch is further arranged on the upper portion of the sending tank, and/or a high material level switch is arranged on the upper portion of the powder bin, and a low material level switch is arranged on the lower portion of the powder bin.
9. The positive-pressure pneumatic conveying system for dry-mixed mortar according to claim 1, wherein the pneumatic ball valve is arranged at one end of the stamping branch, the other end of the stamping branch is provided with a first stamping branch and a second stamping branch, the first stamping branch is connected with the upper part of the sending tank, the second stamping branch is connected with the lower part of the sending tank, and the first stamping branch and the second stamping branch are both provided with check valves.
10. The positive-pressure pneumatic conveying system for dry-mixed mortar according to claim 1, wherein a check valve is further arranged on the blowing-assisting branch, and the pneumatic ball valve and the check valve are sequentially arranged on the blowing-assisting branch along the conveying direction of compressed air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121555848.2U CN214827291U (en) | 2021-07-08 | 2021-07-08 | Dry powder mortar malleation pneumatic conveying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121555848.2U CN214827291U (en) | 2021-07-08 | 2021-07-08 | Dry powder mortar malleation pneumatic conveying system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751220A (en) * | 2021-12-28 | 2022-07-15 | 安徽东爵有机硅有限公司 | Powder material conveying device and method |
| CN114955554A (en) * | 2022-05-10 | 2022-08-30 | 中磁(深圳)节能科技有限公司 | Powder production conveying system |
| CN115593958A (en) * | 2022-10-08 | 2023-01-13 | 河南省中联玻璃有限责任公司（Cn） | Material conveying system |
-
2021
- 2021-07-08 CN CN202121555848.2U patent/CN214827291U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114751220A (en) * | 2021-12-28 | 2022-07-15 | 安徽东爵有机硅有限公司 | Powder material conveying device and method |
| CN114955554A (en) * | 2022-05-10 | 2022-08-30 | 中磁(深圳)节能科技有限公司 | Powder production conveying system |
| CN115593958A (en) * | 2022-10-08 | 2023-01-13 | 河南省中联玻璃有限责任公司（Cn） | Material conveying system |
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