CN212757805U

CN212757805U - Spraying system of grit storage tank of mixing station

Info

Publication number: CN212757805U
Application number: CN202021360150.0U
Authority: CN
Inventors: 丁永青
Original assignee: Shanghai Gyie Construction Engineering Co ltd
Current assignee: Shanghai Gyie Construction Engineering Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-03-23
Anticipated expiration: 2030-07-11

Abstract

The application relates to a spraying system of a sand and stone storage tank of a mixing station, wherein a plurality of water spray nozzles are installed in the storage tank and communicated with a water inlet pipe, the storage tank is communicated with a feed channel for transporting sand and stone materials into the storage tank, a bearing plate facing to the pipe orifice of the feed channel is installed in the storage tank, and a pressure sensor is installed inside the bearing plate; the spraying system also comprises a controller which is electrically connected with the water spray nozzle and the pressure sensor of the bearing plate. This application has when conveying into the grit material to the storage tank in, the water spout opens, and the water spout is to the vaporific water of storage tank internal blowout, and the grit material volume automatically regulated of the quantity of opening of water spout according to the conveying, the water spout can spray the dust in the storage tank effectively, and the dust granule falls in the storage tank after attaching water to reduce the effect of the pollution that the dust emission produced the environment.

Description

Spraying system of grit storage tank of mixing station

Technical Field

The application relates to the field of concrete mixing, especially, relate to a mixing plant grit storage tank's spraying system.

Background

With the rapid development of economy in China, particularly housing construction, and the increase of concrete demand, a special sandstone mixing plant is usually arranged to realize mass production and meet the concrete mixing demand. Chinese patent publication No. CN109176890A discloses a concrete mixing plant, which comprises a sandstone input station, a conveyor belt, a waiting bin, a mixing device, a steel structure frame and a control system box; the sand and stone input station is arranged at the top of the conveyor belt; the conveying belt is connected to the side edge of the material waiting bin; treat that the feed bin in from last to being equipped with down in proper order that second grade treats hopper and one-level and treats the hopper. When the grit material is transported by the conveyer belt and is treated the feed bin, the grit material falls the one-level earlier and treats the hopper, then falls into the second grade downwards and treats the hopper on, when the grit falls into and treats on the hopper, can produce the vibration when falling on treating the hopper, the vibration can produce the dust.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the back air current generated instantaneously when the sand and stone material enters the storage tank will bring the dust on the surface of the sand and stone to the outside, thereby causing environmental pollution.

SUMMERY OF THE UTILITY MODEL

The application provides a spraying system of stirring station grit storage tank in order to reduce the dust that produces when grit gets into the storage tank and to the pollution that the environment produced.

The application provides a pair of mixing station grit storage tank's spraying system adopts following technical scheme:

a spraying system of a sand storage tank of a mixing station is characterized in that a plurality of water spray nozzles are installed in the storage tank, the water spray nozzles are communicated with a water inlet pipe, the storage tank is communicated with a feeding channel for transporting sand and stone materials into the storage tank, a bearing plate facing to the pipe opening of the feeding channel is installed in the storage tank, and a pressure sensor is installed inside the bearing plate; the spraying system also comprises a controller which is electrically connected with the water spray nozzle and the pressure sensor in the bearing plate.

Through adopting above-mentioned technical scheme, when conveying into the grit material in to the storage tank, the water spout opens, and the water spout is to the vaporific water of blowout in the storage tank, and the water spout can spray the dust in the storage tank effectively, and the dust granule falls in the storage tank after attaching water to reduce the pollution that the dust emission produced the environment. Because the volume ratio of grit material is more even, when the grit volume is great, the dust that the whereabouts in-process produced is more, and pressure sensor who accepts in the board produces the grit pressure signal conversion for the signal of telecommunication and to the controller transmission, and the controller is to the water spout transmission opening signal at storage tank top to open a large amount. When the grit volume is less, the dust of production is less, and the pressure sensor who accepts in the board transmits the signal of telecommunication to the controller, and the controller transmits the signal of telecommunication to the water spout for the quantity of opening of water spout reduces, and when the dust that produces at the grit can be fully sprayed by the water, reduces the waste of water resource.

Preferably, the storage tank top intercommunication has the ventilation storehouse, has seted up the vent in the ventilation storehouse, and the dust removal filter screen is installed with the storage tank junction in the ventilation storehouse.

Through adopting above-mentioned technical scheme, because during a large amount of grit are added in the twinkling of an eye to feedstock channel, can produce great air current that turns over, need pass through the ventilation bin with the air current and in time discharge this moment, the dust removal filter screen adsorbs most dust on the dust removal filter screen, has reduced the pollution that the dust that feedstock channel produced the pay-off in to the storage tank caused the environment.

Preferably, dust absorption cotton is installed in the ventilation bin.

By adopting the technical scheme, the dust absorption cotton has the main function of carrying out secondary filtration on dust.

Preferably, a discharge pipe is arranged at the bottom of the storage tank, and a second conveyor belt provided with a drain hole is arranged at the bottom of the discharge pipe.

Through adopting above-mentioned technical scheme, the hole on the second conveyer belt can set up according to the production demand, makes the water in the storage tank can pass the second conveyer belt and discharge under the prerequisite that guarantees that the grit material does not drop, reduces spraying system's water to the influence of stirring proportion.

Preferably, the bottom of the second conveyor belt is provided with a collecting box for collecting water.

Through adopting above-mentioned technical scheme, collect the main effect of box and collect the water that drops to convenient unified processing.

Preferably, install in the storage tank and accept the board mount, accept and install infrared ranging sensor on the board mount, the siren is installed to the storage tank outer wall, and infrared ranging sensor, siren are connected with the controller electricity.

Through adopting above-mentioned technical scheme, the material height of grit in the storage tank can be measured out to infrared ray range finding sensor, and when the material height of grit reached the minimum height of accepting the board, the explanation had arrived the maximum capacity of the normal work of storage tank, continues to add the grit material to the storage tank and can reduce the work accuracy of accepting the board. When infrared distance measuring sensor detects that the height reaches the upper limit value, the controller transmits an electric signal to the warning lamp, and the warning lamp starts working and reminds workers in an audible and visual alarm mode.

Preferably, the outer side wall of the storage tank is provided with a vibration motor.

Through adopting above-mentioned technical scheme, vibrating motor's main effect reduces the grit material through the vibration and in the accumulational condition of storage tank charge-in passageway unilateral, has increased the accuracy of infrared ray distance measuring sensor work.

Preferably, the outer wall of the storage tank is fixed with a plurality of supports, and the supports are all provided with hydraulic support legs.

Through adopting above-mentioned technical scheme, because storage tank is applied to the factory or building site of relief unevenness mostly, the accessible is adjusted the extension or the shrink of certain or a plurality of hydraulic leg and is made the storage tank be in not tilt state, has increased the adaptability of storage tank to operational environment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pollution of dust generated when the sand enters the storage tank to the environment is reduced;

2. on the premise that the dust is fully adsorbed by the water mist, the waste of water resources is reduced;

3. the safety of grit storage tank equipment use has been improved.

Drawings

FIG. 1 is a schematic view of an embodiment of the present application;

FIG. 2 is a schematic view of a receiving plate structure according to an embodiment of the present application;

FIG. 3 is a schematic view of a water nozzle configuration according to an embodiment of the present application;

FIG. 4 is a schematic view of a ventilation bin configuration according to an embodiment of the present application;

fig. 5 is a schematic diagram of a second conveyor structure according to an embodiment of the present application.

Description of reference numerals: 1. a material storage tank; 11. a feed channel; 12. a first conveyor belt; 13. an alarm light; 14. a vibration motor; 2. a bearing plate fixing frame; 21. a bearing plate; 22. a bearing plate side wall; 23. an infrared ranging sensor; 3. a water spray nozzle; 31. a water inlet pipe; 4. a control cabinet; 41. a controller; 5. a ventilation bin; 51. a vent; 52. a dust removal filter screen; 53. dust collection cotton; 6. a discharge pipe; 61. an electrically operated valve; 62. a second conveyor belt; 7. a collection box; 8. a support; 81. and (5) hydraulic support legs.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses mixing station grit storage tank's spraying system.

Referring to fig. 1, a storage tank 1 is included. The main body of the storage tank 1 is cylindrical, and the storage tank 1 is mainly used for storing sand and stone materials to be used.

Referring to fig. 2, the sidewall of the material storage tank 1 is communicated with a feed channel 11 for sand, and the feed channel 11 extends into the material storage tank 1 and slightly inclines backwards. The other end of the feed channel 11 is connected with a feeding area of the gravel, a first conveyor belt 12 is installed in the feed channel 11, and the gravel is conveyed into the material storage tank 1 from the feeding area through the first conveyor belt 12.

Referring to fig. 2, a receiving plate fixing frame 2 is installed in the storage tank 1, a receiving plate 21 is installed on the receiving plate fixing frame 2, receiving plate side walls 22 are installed on two sides of the receiving plate 21, the space between the receiving plate side walls 22 is slightly wider than the width of the feeding channel 11, the receiving plate 21 is arranged towards the feeding channel 11, and the receiving plate 21 is slightly inclined backwards, so that sand entering the storage tank 1 through the feeding channel 11 falls onto the receiving plate 21 and falls down along the receiving plate 21. The pressure sensor is arranged in the bearing plate 21, the pressure generated when the sand discharged from the feeding channel 11 falls on the bearing plate 21 can be converted into an electric signal through the pressure sensor, and the electric signal is transmitted to the outside, so that the bearing plate 21 can monitor the feeding amount of the feeding channel 11 through the pressure sensor in real time.

Referring to fig. 3, a plurality of water nozzles 3 are installed at the top of the storage tank 1, a simple solenoid valve (for the prior art, which is not described herein) is installed inside the water nozzles 3, when the solenoid coil is powered on, the water nozzles 3 spray mist water into the storage tank 1, the water nozzles 3 can effectively spray dust in the storage tank 1, and dust particles fall down in the storage tank 1 after attaching water, thereby reducing pollution to the environment caused by the emission of dust.

The water nozzle 3 is communicated with a water inlet pipe 31, and the water inlet pipe 31 mainly has the function of providing enough water for the water nozzle 3. Referring to fig. 1, a control cabinet 4 is installed beside a material storage tank 1, a controller 41 is installed in the control cabinet 4, and the controller 41 is electrically connected with a pressure sensor and a water nozzle 3 in a receiving plate 21.

Because the volume of the sand and stone material is relatively uniform, when the amount of the sand and stone falling from the feeding channel 11 is large, the bearing plate 21 with the pressure sensor detects that the pressure value of the sand and stone falling on the bearing plate 21 is large, the pressure sensor converts the pressure signal into an electric signal, and transmits real-time pressure data to the controller 41. When the amount of sand falling from the feed passage 11 is small, the pressure value detected by the receiving plate 21 with the pressure sensor is small, and the pressure data is transmitted to the controller 41.

The controller 41 may control the number of opening and closing of the water jetting nozzle 3. When the amount of the sand and the stone is large, more dust is generated in the falling process, the bearing plate 21 with the pressure sensor converts pressure signals generated by the sand and the stone into electric signals and transmits the electric signals to the controller 41, the controller 41 transmits opening signals to the water nozzles 3 at the top of the storage tank 1, and at the moment, the water nozzles 3 are opened more. When the amount of the sand and the stone is less, less dust is generated, the bearing plate 21 with the pressure sensor transmits an electric signal to the controller 41, the controller 41 transmits an electric signal to the water spray nozzles 3, the opening amount of the water spray nozzles 3 is reduced, and the waste of water resources is reduced while the dust generated by the sand and the stone can be fully sprayed by water.

Referring to fig. 2, the outer side wall of the material storage tank 1 is provided with a vibration motor 14. Referring to fig. 3, the receiving plate fixing frame 2 in the storage tank 1 is provided with the infrared distance measuring sensor 23, the infrared distance measuring sensor 23 can measure the height of the sandstone in the storage tank 1, when the height of the sandstone reaches the lowest height of the receiving plate 21, the maximum capacity of the storage tank 1 for normal operation is reached, the operation accuracy of detecting the pressure of the sandstone by the receiving plate 21 can be reduced by continuously adding the sandstone into the storage tank 1, and the accuracy of controlling the water nozzle 3 by the controller 41 is reduced.

The main function of the vibration motor 14 is to reduce the accumulation of sand and stone material on one side of the feed channel 11 in the storage tank 1 by vibration, so that the measurement of the infrared ranging sensor 23 is more accurate. Infrared distance measuring sensor 23 is connected with 41 electricity of controller, install alarm device on 1 lateral wall of storage tank during material maximum capacity in the storage tank 1, alarm device is connected with 41 electricity of controller, alarm device includes warning light 13, infrared distance measuring sensor 23 highly carries out real-time measurement to the grit in the storage tank 1, when infrared distance measuring sensor 23 detects the grit material height in the storage tank 1 and reaches the maximum value of normal work, controller 41 transmits the signal of telecommunication to warning light 13, warning light 13 begins to work, remind the staff through the audible-visual alarm mode.

Referring to fig. 4, the top of the storage tank 1 is communicated with the ventilation bin 5, the side wall of the ventilation bin 5 is provided with a ventilation opening 51, and a large amount of sand and stone can be added into the feeding channel 11 instantly to generate a large reverse airflow, so that the airflow needs to be discharged through the ventilation bin 5 in time. Install dust removal filter screen 52 in ventilation bin 5, dust removal filter screen 52 adsorbs most dust on the dust removal filter screen, has reduced the pollution that the dust that feed channel 11 produced to the interior pay-off of storage tank 1 caused the environment. Dust collection cotton 53 is filled on the upper part of the dust collection filter screen 52, and the main function of the dust collection cotton 53 is to adsorb dust.

Referring to fig. 5, discharging pipe 6 is installed to storage tank 1 bottom, install motorised valve 61 on discharging pipe 6, grit conveyer is installed to discharging pipe 6 bottom, grit conveyer includes second conveyer belt 62, be covered with the less hole that is used for the infiltration on the second conveyer belt 62, the hole on the second conveyer belt 62 can set up according to the production demand, make the water in storage tank 1 can pass second conveyer belt 62 and discharge under the prerequisite that guarantees that the grit material does not drop, reduce the influence of spraying system's water to the stirring proportion. The bottom of the second conveyor belt 62 is provided with a collecting box 7, and the collecting box 7 mainly functions to collect the falling water, thereby facilitating the same treatment.

Referring to fig. 5, a plurality of supports 8 are installed to the lateral wall of storage tank 1, and hydraulic support legs 81 are installed on supports 8, and as most of storage tanks are applied to factories or construction sites with uneven terrain, storage tank 1 can be in a non-inclined state by adjusting the extension or contraction of one or more hydraulic support legs 81, and the adaptability of storage tank 1 to the working environment is improved.

The implementation principle of the embodiment is as follows: when the storage tank 1 is installed, the inclination of the storage tank 1 can be reduced by adjusting the height of the hydraulic support legs 81.

The sand enters the storage tank 1 through the first conveyor belt 12. The sand entering the holding tank 1 falls on the receiving plate 21 and falls down along the receiving plate 21.

When the amount of sand is large, the receiving plate 21 converts the pressure signal generated by the sand into an electric signal and transmits the electric signal to the controller 41, and the controller 41 transmits an opening signal to the water nozzles 3 on the top and the side walls of the storage tank 1, and the opening number is large. When the amount of sand is small, the receiving plate 21 transmits an electric signal to the controller 41, and the controller 41 transmits an electric signal to the water jet nozzle 3, so that the number of the water jet nozzles 3 to be opened is reduced.

Part of dust also exists in the sprayed sand airflow, the air flow enters the ventilation bin 5 along with the airflow, and the airflow entering the ventilation bin 5 is discharged out of the storage tank 1 through the dust removal filter screen 52 and the dust absorption cotton 53.

When the height of grit reaches the upper limit value in the storage tank 1, warning light 13 begins work, reminds the staff through audible and visual alarm mode.

When the sand and stone material in the storage tank 1 needs to be used, the electric valve 61 is opened, the sand and stone material is conveyed along the second conveying belt 62 and enters a processing area, and the water sprayed in the storage tank 1 passes through the holes in the second conveying belt 62 and falls into the ground.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a spraying system of stirring station grit storage tank which characterized in that: a plurality of water spray nozzles (3) are installed in the storage tank (1), the water spray nozzles (3) are communicated with a water inlet pipe (31), the storage tank (1) is communicated with a feeding channel (11) for transporting sand and stone materials into the storage tank (1), and a bearing plate (21) which faces the pipe orifice of the feeding channel (11) and is internally provided with a pressure sensor is installed in the storage tank (1); the spraying system also comprises a controller (41), and the controller (41) is electrically connected with the water spray nozzle (3) and the pressure sensor in the bearing plate (21).

2. The spray system of a mixing station sand storage tank of claim 1, wherein: the top of the storage tank (1) is communicated with a ventilation bin (5), a ventilation opening (51) is formed in the ventilation bin (5), and a dust removal filter screen (52) is installed at the joint of the ventilation bin (5) and the storage tank (1).

3. The spray system of a mixing station sand storage tank of claim 2, wherein: dust absorption cotton (53) is arranged in the ventilation bin (5).

4. The spray system of a mixing station sand storage tank of claim 1, wherein: a discharge pipe (6) is arranged at the bottom of the material storage tank (1), and a second conveyor belt (62) provided with a drain hole is installed at the bottom of the discharge pipe (6).

5. The spray system of a mixing station grit storage tank of claim 4, wherein: and a collecting box (7) for collecting water is arranged at the bottom of the second conveyor belt (62).

6. The spray system of a mixing station sand storage tank of claim 1, wherein: install in storage tank (1) and accept board mount (2), accept and install infrared ranging sensor (23) on board mount (2), siren (13) are installed to storage tank (1) outer wall, and infrared ranging sensor (23), siren (13) are connected with controller (41) electricity.

7. The spray system of a mixing station sand storage tank of claim 6, wherein: vibrating motor (14) are installed to storage tank (1) lateral wall.

8. The spray system of a mixing station sand storage tank of claim 1, wherein: a plurality of supports (8) are fixed on the outer wall of the storage tank (1), and hydraulic support legs (81) are installed on the supports (8).