CN214819736U

CN214819736U - Concrete mixing plant powder jar pressure release recovery system

Info

Publication number: CN214819736U
Application number: CN202121488477.0U
Authority: CN
Inventors: 黄大坤; 曹耀江; 陈少威; 梁傲世; 秦家欢; 王方保
Original assignee: Guangdong Yongtai Concrete Co ltd
Current assignee: Guangdong Yongtai Concrete Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-23
Anticipated expiration: 2031-07-01

Abstract

The invention discloses a concrete mixing plant powder tank pressure relief recovery system which comprises a pressure relief device connected with a mixer, wherein the pressure relief device comprises a pressure relief box, the side wall of the pressure relief box is communicated with an air outlet pipe, a fan is arranged in the air outlet pipe, a pressure relief pipe is communicated between the side wall of the pressure relief box and a shell of the mixer, a filtering mechanism is further arranged in the pressure relief box and positioned between the air outlet pipe and the pressure relief pipe, a material return pipe is further communicated between the bottom of the air outlet pipe and the shell of the mixer, and a pneumatic butterfly valve is arranged on the material return pipe. This application has the inside gas of quick release mixer to it is smooth and easy to make cement and grit throw the material, effectively avoids the effect of raise dust and saving powder resource simultaneously.

Description

Concrete mixing plant powder jar pressure release recovery system

Technical Field

The invention relates to the technical field of concrete production and processing equipment, in particular to a powder tank pressure relief and recovery system of a concrete mixing plant.

Background

In the production and processing process of concrete, cement and gravel need to be weighed by using weighing equipment, and then the cement and gravel are put into a stirrer through different blanking hoppers according to a certain weight ratio.

However, the mixer is relatively closed, so that positive pressure is easily generated in the mixer after cement and sand are put into the mixer, and the feeding is affected. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to release the inside gas of mixer fast to it is smooth and easy to make cement and grit throw the material, this application provides a concrete mixing plant powder jar pressure release recovery system.

The application provides a pair of concrete mixing plant powder jar pressure release recovery system adopts following technical scheme:

the utility model provides a concrete mixing plant powder jar pressure release recovery system, includes the pressure relief device who is connected with the mixer, pressure relief device includes the pressure relief case, the lateral wall intercommunication of pressure relief case has a tuber pipe, install the fan in the air-out pipe, the intercommunication has the pressure release pipe between the lateral wall of pressure relief case and the casing of mixer, the pressure relief incasement still is provided with filter mechanism, filter mechanism is located between tuber pipe and the pressure release pipe, it has the feed back pipe still to communicate between the bottom of tuber pipe and the casing of mixer, be provided with pneumatic butterfly valve on the feed back pipe.

Through adopting above-mentioned technical scheme, when the hopper throws the material in toward the agitator, fan synchronous operation, the air of fan in with the agitator is taken away and is discharged from the play tuber pipe to eliminate the malleation in the agitator, so that the hopper unloading is smooth and easy down. Simultaneously, filtering mechanism strains the powder that smugglies in with the air down for it is comparatively clean from air-out pipe exhaust air, thereby effectively avoids the raise dust, environmental protection production. After the blanking of hopper finishes, pneumatic butterfly valve opens, and the powder that is strained by filter mechanism passes through the feed back pipe and falls back to the mixer in, plays the effect of saving the powder resource.

Preferably, the air outlet pipe is arranged at the end far away from the pressure relief box in a sealed manner, the side wall of the air outlet pipe is provided with an air outlet, and the air outlet is arranged downwards.

Through adopting above-mentioned technical scheme, through setting up the air outlet down for external debris can not fall into the tuber pipe like the leaf etc. thereby make the tuber pipe be difficult for being plugged up, are favorable to the tuber pipe to air exhaust.

Preferably, filtering mechanism includes solid fixed ring and foam-rubber cushion, gu fixed ring fixes the inside wall at the pressure release case, the foam-rubber cushion sets up the upper surface at solid fixed ring.

Through adopting above-mentioned technical scheme, the retaining ring provides the support to the foam-rubber cushion, and the foam-rubber cushion filters the dust that carries in with the air to follow-up recycle.

Preferably, the filter mechanism further comprises a cleaning assembly, the cleaning assembly comprises a motor installed on the inner side wall of the pressure relief box, an output shaft of the motor is fixedly connected with a telescopic rod in a vertical mode, and a rotating track of the telescopic rod is intersected with the sponge cushion.

Through adopting above-mentioned technical scheme, after the hopper finishes throwing the material under, the motor operation rotates in order to order about the telescopic link, and the telescopic link is interrupted the beating foam-rubber cushion at the rotation in-process for the foam-rubber cushion takes place the vibration, thereby makes the powder of adhering to on the foam-rubber cushion drop automatically, not only is favorable to practicing thrift the powder, still is favorable to the foam-rubber cushion to ventilate.

Preferably, the upper surface of the spongy cushion is covered with a steel bar filter screen.

Through adopting above-mentioned technical scheme, because of the foam-rubber cushion texture is soft, and the area of contact of telescopic link and foam-rubber cushion is limited, is difficult to drive monoblock foam-rubber cushion vibration. Therefore, the steel bar filter screen covers the spongy cushion, so that the structural strength of the spongy cushion is enhanced, the stress of the spongy cushion is more uniform, and the spongy cushion is favorable for cleaning powder attached to the spongy cushion.

Preferably, the telescopic link includes connecting pipe and tup, tup and connecting pipe slip grafting, fixedly connected with elastic component between the tup inserts the one end of connecting pipe and the socle of connecting pipe.

Through adopting above-mentioned technical scheme, the connecting pipe passes through the elastic component and connects the tup for the tup can not break away from the connecting pipe at the rotation in-process, and simultaneously, under the condition that does not damage the foam-rubber cushion, the tup can be with more suitable dynamics beat the foam-rubber cushion, so that the dust of depending on the foam-rubber cushion drops fast.

Preferably, one end of the hammer head, which is far away from the elastic piece, is arranged in a hemispherical shape.

Through adopting above-mentioned technical scheme for the transition of the contact surface of tup and foam-rubber cushion is more in the same direction as smooth, neither can cut open the foam-rubber cushion, is favorable to the motor to order about the telescopic link again and rotates.

Preferably, the upper surface of the fixing ring is convexly provided with a plurality of convex rods, the convex rods penetrate through the spongy cushion and the steel bar filter screen in sequence, and one ends, far away from the fixing ring, of the convex rods are provided with external threads and are in threaded connection with thread sleeves.

Through adopting above-mentioned technical scheme, the bulge pole cooperation swivel nut locks foam-rubber cushion and steel reinforcement filter screen on solid fixed ring, and during, the bulge pole plays the positioning action to foam-rubber cushion and steel reinforcement filter screen, easy to assemble foam-rubber cushion and steel reinforcement filter screen.

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

1. when the blanking hopper puts aggregate into the stirrer, the fan operates to quickly release air in the stirrer, so that positive pressure in the stirrer is eliminated, and blanking of the blanking hopper is smooth; meanwhile, the powder entrained in the air is filtered by the filtering mechanism, dust is effectively avoided, and the powder filtered by the filtering mechanism falls back into the stirrer through the material return pipe, so that the powder resource is saved;

2. when the fan runs, air in the stirrer passes through the spongy cushion, and the spongy cushion filters dust carried in the air for subsequent recycling;

3. after the hopper finishes throwing the material down, the motor operation is in order to order about the telescopic link and rotates, and the telescopic link is interrupted at the rotation in-process and is beaten the foam-rubber cushion for the foam-rubber cushion takes place the vibration, thereby makes the powder of adhering to on the foam-rubber cushion drop automatically, not only is favorable to practicing thrift the powder, still does benefit to the foam-rubber cushion and ventilates.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic view of the internal structure of the pressure relief tank of the present application;

fig. 3 is an enlarged schematic view of a in fig. 2 in the present application.

Description of reference numerals:

1. a blender; 2. feeding a hopper; 3. an electromagnetic valve; 4. a frame; 5. a pressure relief tank; 6. a pressure relief pipe; 7. an air outlet pipe; 8. a fan; 9. a grid net; 10. a fixing ring; 11. a sponge cushion; 12. a steel bar filter screen; 13. cleaning the assembly; 131. a motor; 132. a telescopic rod; 1321. a connecting pipe; 1322. a hammer head; 133. a spring; 14. a material return pipe; 15. a pneumatic butterfly valve; 16. a nose bar; 17. a threaded sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses concrete mixing plant powder jar pressure release recovery system. Referring to fig. 1, the pressure relief device connected with the blender 1 is included, and the top of the shell of the blender 1 is communicated with three discharging hoppers 2. The three hoppers 2 are respectively used for putting cement, sand and stones, and the lower end of each hopper 2 is provided with an electromagnetic valve 3.

Referring to fig. 1 and 2, the pressure relief device comprises a frame 4 and a pressure relief tank 5 mounted on the frame 4, wherein the pressure relief tank 5 is located above the blender 1. The side wall of the pressure relief box 5 is communicated with a pressure relief pipe 6, and one end of the pressure relief pipe 6, which is far away from the pressure relief box 5, is communicated with the top of the shell of the stirring machine 1. One side of the pressure relief box 5 is fixedly connected with an air outlet pipe 7, and the air outlet pipe 7 is positioned above the pressure relief pipe 6. The air outlet pipe 7 is a square pipe, a fan 8 is arranged in the air outlet pipe 7, and the fan 8 draws air from the pressure relief box 5. One side of the air outlet pipe 7, which is far away from the pressure relief box 5, is sealed, an air outlet is formed in the bottom of the air outlet pipe 7, a grating net 9 is installed at the air outlet of the air outlet pipe 7, and the grating net 9 and the air outlet end are integrally formed. The air outlet that switches on through with the wind-guiding sets up down for in debris are difficult for falling into out tuber pipe 7 from the air outlet, simultaneously, the existence of block makes in insect and birds can not get into out tuber pipe 7.

Referring to fig. 1 and 2, a filtering mechanism is arranged in the pressure relief box 5, and the filtering mechanism is located between the air outlet pipe 7 and the pressure relief pipe 6. The lower end of the pressure relief box 5 is arranged in a conical shape, so that the powder can be discharged subsequently. The bottom of the pressure relief tank 5 is communicated with a material return pipe 14, and one end of the material return pipe 14 far away from the pressure relief tank 5 is communicated with the top of the shell of the stirring machine 1. And one end of the material return pipe 14 close to the pressure relief tank 5 is provided with a pneumatic butterfly valve 15.

When the lower hopper 2 is used for feeding materials, the pneumatic butterfly valve 15 is closed, the fan 8 runs synchronously, and the fan 8 releases air in the relatively closed stirring machine 1 quickly, so that the aggregate feeding is smooth. Simultaneously, the powder that filtering mechanism carried in with the air is strained down, and when hopper 2 thrown the material after finishing, pneumatic butterfly valve 15 opened, the powder that is strained by filtering mechanism not only effectively avoids outside raise dust in the material pipe 14 fallback to mixer 1, still plays resources are saved's effect.

Referring to fig. 2, the filtering mechanism includes a fixing ring 10, a sponge pad 11, a steel-reinforced net 12, and a cleaning assembly 13. The outer ring surface of the fixing ring 10 is attached to the inner side wall of the pressure relief box 5, and the fixing ring 10 is welded and fixed with the pressure relief box 5. The spongy cushion 11 is arranged on the upper surface of the fixing ring 10, and the steel bar filter 12 is arranged on the upper surface of the spongy cushion 11. Four convex rods 16 are convexly arranged on the upper surface of the fixing ring 10, every two of the four convex rods 16 form a group, and the two groups of convex rods 16 are symmetrically distributed on the fixing ring 10. The convex rod 16 sequentially penetrates through the spongy cushion 11 and the steel bar filter screen 12, and one end, far away from the fixing ring 10, of the convex rod 16 is provided with an external thread and is in threaded connection with a threaded sleeve 17. The convex rod 16 is matched with the threaded sleeve 17 to lock the spongy cushion 11 and the steel bar filter screen 12 on the fixing ring 10, so that the spongy cushion 11 and the steel bar filter screen 12 are convenient to install.

Referring to fig. 2 and 3, the cleaning assembly 13 includes a motor 131 installed on the inner side wall of the pressure relief tank 5, the motor 131 is located above the steel bar screen 12, and an output shaft of the motor 131 is vertically and fixedly connected with a telescopic rod 132. The rotation track of the telescopic rod 132 is intersected with the steel bar screen 12. The expansion link 132 includes a connection pipe 1321 and a hammer 1322, the hammer 1322 is slidably inserted into the connection pipe 1321, an elastic member is fixedly connected between one end of the hammer 1322 inserted into the connection pipe 1321 and a pipe bottom of the connection pipe 1321, and the elastic member is a spring 133. The hammer 1322 is disposed in a hemispherical shape at an end away from the elastic member. When the feeding of the lower hopper 2 is completed, the motor 131 operates to drive the connecting pipe 1321 and the hammer 1322 to synchronously rotate, the hammer 1322 beats the steel bar filter screen 12 in the rotating process, the rigidity of the steel bar filter screen 12 is enough, so that the whole stress of the steel bar filter screen 12 is uniform, the sponge cushion 11 is driven to vibrate integrally, the powder attached to the sponge cushion 11 falls off, the powder resource is saved, and the ventilation of the sponge cushion 11 is facilitated.

The implementation principle of the concrete mixing plant powder tank pressure relief recovery system is as follows:

after the cement, the sand and the stones are weighed, the cement, the sand and the stones are respectively put into the three discharging hoppers 2, and the cement, the sand and the stones are respectively put into the stirrer 1 by the three discharging hoppers 2 according to the preset weight proportion. When the aggregate is fed, the fan 8 operates, and the fan 8 pumps out air in the stirrer 1 and discharges the air to the outside through the air outlet pipe 7, so that the aggregate is smoothly fed. The spongy cushion 11 filters dust carried in the air, effectively avoids dust raising, is environment-friendly in production, and is also favorable for saving resources.

After the feeding of the lower hopper 2 is finished, the pneumatic butterfly valve 15 is opened, meanwhile, the motor 131 runs to drive the connecting pipe 1321 and the hammer 1322 to synchronously rotate, the hammer 1322 beats the steel bar filter screen 12 in the rotating process, so that the spongy cushion 11 vibrates, powder attached to the spongy cushion 11 is enabled to quickly fall off, the powder filtered by the spongy cushion 11 and the powder falling off from the spongy cushion 11 both fall back into the stirring machine 1 from the material return pipe 14, the powder resource is saved, and the subsequent ventilation of the spongy cushion 11 is facilitated.

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 concrete mixing plant powder jar pressure release recovery system, includes the pressure relief device who is connected with mixer (1), its characterized in that: pressure relief device includes pressure release case (5), the lateral wall intercommunication of pressure release case (5) has out tuber pipe (7), install fan (8) in the play tuber pipe (7), the intercommunication has pressure release pipe (6) between the lateral wall of pressure release case (5) and the casing of mixer (1), still be provided with filter equipment in pressure release case (5), filter equipment is located between play tuber pipe (7) and pressure release pipe (6), it has feed back pipe (14) still to communicate between the bottom of play tuber pipe (7) and the casing of mixer (1), be provided with pneumatic butterfly valve (15) on feed back pipe (14).

2. The concrete mixing plant powder tank pressure relief recovery system of claim 1, wherein: the one end that pressure release case (5) was kept away from in air-out pipe (7) seals the setting, the air outlet has been seted up to the lateral wall of air-out pipe (7), the air outlet sets up down.

3. The concrete mixing plant powder tank pressure relief recovery system of claim 1, wherein: the filtering mechanism comprises a fixing ring (10) and a spongy cushion (11), the fixing ring (10) is fixed on the inner side wall of the pressure relief box (5), and the spongy cushion (11) is arranged on the upper surface of the fixing ring (10).

4. The concrete mixing plant powder tank pressure relief recovery system of claim 3, wherein: the filtering mechanism further comprises a cleaning assembly (13), the cleaning assembly (13) comprises a motor (131) installed on the inner side wall of the pressure relief box (5), an output shaft of the motor (131) is fixedly connected with a telescopic rod (132) in a vertical mode, and a rotating track of the telescopic rod (132) is intersected with the sponge mat (11).

5. The concrete mixing plant powder tank pressure relief recovery system of claim 4, wherein: the upper surface of the spongy cushion (11) is also covered with a steel bar filter screen (12).

6. The concrete mixing plant powder tank pressure relief recovery system of claim 4, wherein: the telescopic rod (132) comprises a connecting pipe (1321) and a hammer head (1322), the hammer head (1322) and the connecting pipe (1321) are connected in a sliding and inserting mode, and an elastic piece is fixedly connected between one end, inserted into the connecting pipe (1321), of the hammer head (1322) and the bottom of the connecting pipe (1321).

7. The concrete mixing plant powder tank pressure relief recovery system of claim 6, wherein: the hammer head (1322) is arranged in a hemispherical shape at one end far away from the elastic piece.

8. The concrete mixing plant powder tank pressure relief recovery system of claim 5, wherein: the upper surface of fixed ring (10) is protruding to be equipped with a plurality of nose bars (16), nose bar (16) pierce through foam-rubber cushion (11) and steel reinforcement filter screen (12) in proper order, the one end that fixed ring (10) was kept away from in nose bar (16) is provided with external screw thread and threaded connection has swivel nut (17).