Composite admixture storage tank for concrete mixing station

Abstract

A composite admixture storage tank for a concrete mixing station comprises a tank body, an end cover is installed at the upper end of the tank body, the end cover is communicated with a dust falling device through a breather pipe, the dust falling device comprises a plurality of installation legs installed on the end cover through bolts, side plates are installed on the installation legs located on the same side through screws respectively, a rectangular frame is arranged between the side plates, and the rectangular frame is provided with a plurality of through holes. A middle partition plate is arranged in the rectangular frame and divides the inner space of the rectangular frame into an upper air chamber and a lower air chamber, the outer side end of the ventilation pipe is installed on the rectangular frame through bolts and connected to the lower air chamber, the rectangular frame is communicated with an exhaust pipe, the exhaust pipe is communicated with the lower air chamber, and an induced draft fan is arranged at the outer side end of the exhaust pipe. According to the utility model, the dust filtering capacity is ensured to a certain extent, the pollution to the environment is avoided, and the air permeation amount can be ensured, so that the load of the induced draft fan is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete processing technical field especially relates to a compound outer mixed material storage tank for concrete mixing station. BACKGROUND

[0002] Concrete mixing station is a kind of efficient and environment-friendly concrete mixing facilities used in building construction. In order to avoid the powder material such as composite external admixture and cement stored in the storage tank from producing dust, the dust generated during the preparation of concrete can be avoided, thereby effectively protecting the environment. Among them, the exhaust pipe of the storage tank (which can keep the pressure inside the tank and the pressure outside the tank consistent during material injection, thereby facilitating the injection of material, and facilitating the discharge of material during discharge), and when the material is injected or discharged, dust is inevitably sprayed in the exhaust pipe, and if the powder is not blocked, it will pollute the environment, so a powder suction head is usually installed on the exhaust pipe, and a induced draft fan is connected to the exhaust pipe. With the extension of the use time of the powder suction head, a large amount of dust will adhere to the dust absorption cloth in it, and the existence of the dust will reduce the exhaust capacity, thereby causing poor exhaust, and also increasing the load of the induced draft fan during exhaust, and increasing the energy consumption. SUMMARY

[0003] The utility model provides a compound external admixture storage tank for concrete mixing station to solve the insufficient of prior art, by constantly automatic cleaning of dust absorption cloth, thereby reduce the load of induced draft fan, reduce energy consumption, have stronger practicality.

[0004] In order to realize the purpose of the utility model, the following technologies are adopted:

[0005] The utility model provides a kind of composite admixture storage tank for concrete mixing station, including tank body, the upper end of tank body is equipped with end cover, end cover is connected with dust catcher by vent pipe, dust catcher includes multiple installation legs by bolt installation on end cover, side plate is respectively installed on the installation leg of same side by screw, rectangular frame is equipped between side plate, middle baffle is equipped in rectangular frame, middle baffle separates the internal space of rectangular frame into upper air chamber and lower air chamber, the outside end of vent pipe is bolted on rectangular frame, and the outside end of vent pipe is connected on lower air chamber, rectangular frame is communicated with exhaust pipe, exhaust pipe is communicated with lower air chamber, and the outside end of exhaust pipe is equipped with induced draft fan.The upper and lower ends of rectangular frame are respectively equipped with U-shaped shell, winding shaft is rotatably equipped in U-shaped shell, filter cloth is wound on winding shaft, filter cloth is worn on the upper and lower ends of rectangular frame and middle baffle, the inside of dust catcher is separated into two cavities by middle baffle, wherein, upper air chamber is used to filter cloth dust processing, to ensure that the dust on filter cloth is reduced, and then the load of induced draft fan is reduced.The lower air chamber is to filter the dust in the air discharged.The upper side of middle baffle is equipped with dust absorption box, the outside end of dust absorption box is communicated with dust exhaust pipe, dust exhaust pipe is connected with suction fan, the inside end of dust absorption box is provided with multiple dust suction ports, the inside end of dust absorption box is closely attached to filter cloth, dust adhered to filter cloth can be cleaned by dust absorption box and suction fan, to improve the air permeability of filter cloth.Considering that air will carry dust to filter cloth due to the action of induced draft fan when exhausting, of course, part will remain in lower air chamber, but these dust will eventually adhere to filter cloth as the continuous exhaust, and in the process of filtering, filter cloth will be moved regularly to update regularly, to ensure the filtering effect of air and the air permeability, to reduce the load of induced draft fan.At the same time, the dust catcher is arranged on the top of tank body, to shorten the length of exhaust pipe, to facilitate rapid exhaust.The suction fan can be arranged on the ground, to facilitate cleaning of filter screen on suction fan, although the load of induced draft fan is transferred, but when exhaust is needed, the air volume extracted by induced draft fan is large, and the load of induced draft fan will increase due to the accumulation of dust on filter cloth, and the dust can be cleaned regularly, to ensure smooth exhaust and facilitate post-treatment of dust.

[0006] Further, one end of one winding shaft is connected with motor, motor is installed on side plate, synchronous pulley is arranged on winding shaft, and synchronous pulley is driven by synchronous belt.The synchronous pulley and synchronous belt can drive two winding shafts to rotate simultaneously, when filtering, the air permeability is ensured by pulling filter cloth by upper winding shaft, when filter cloth on lower winding shaft is less, motor is reversed, to make enough filter cloth wound on lower winding shaft, and then the filter cloth is updated by forward rotation of motor.

[0007] Further, the lower wall of the partition plate is welded with a scraper, the scraper is arranged obliquely, and the inner side end of the scraper acts on the air inlet side of the filter cloth; an L-shaped shell is welded on the lower wall of the partition plate, the L-shaped shell is located below the scraper, and there is a dust inlet between the L-shaped shell and the inner side end of the scraper; a discharge hole is formed in the partition plate, and the dust suction box is communicated with the discharge hole. The scraper can scrape off the dust adhered to the filter cloth, and then the dust is stored in the L-shaped shell, so that the cleaning capacity of the filter cloth is improved.

[0008] Further, flexible strips are arranged in the two sides of the filter cloth, the flexible strips are in a cylindrical structure, and a constraint sleeve is arranged on the flexible strips.

[0009] Further, a support frame is welded at the lower end of the tank body, the flexible strips and the constraint sleeve in a cylindrical shape can ensure the tension state of the filter cloth, so that part of the dust is prevented from escaping, the dust blocking capacity of the filter cloth is improved, and the environment is prevented from being polluted, and the flexible strips are made of fibers or rubber.

[0010] Further, the lower end of the discharge pipe of the tank body is communicated with an inclined pipe, one end of the inclined pipe is provided with a conveying motor, the output shaft of the conveying motor is connected with an auger, the auger is arranged in the inclined pipe, the other end of the inclined pipe is downwardly extended and communicated with a discharge pipe, the inclined pipe and the auger arranged therein can realize the discharge of the material, and the generation of dust is avoided as much as possible during the discharge, and of course, the discharge pipe needs to be connected to the cover of the mixer or the mixing tank to realize the above effect.

[0011] The above technical scheme has the following advantages:

[0012] The utility model ensures the filtering capacity of the dust to a certain extent, avoids the pollution to the environment, and also ensures the air permeation amount, so as to reduce the load of the induced draft fan. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be further described in detail below in combination with the drawings.

[0014] Figure 1 A perspective structure diagram of one of the embodiments is shown.

[0015] Figure 2 A perspective structure of the dust faller is shown Figure 1 .

[0016] Figure 3 A perspective structure of the dust faller is shown Figure 2 .

[0017] Figure 4A cross-sectional view of the dust precipitator is shown.

[0018] Figure 5 An enlarged view at A is shown. DETAILED DESCRIPTION

[0019] As Figures 1-5 shown, a composite admixture storage tank for a concrete mixing station comprises a tank body 2, an end cover 3 is installed at the upper end of the tank body 2, a dust precipitator 5 is communicated with the end cover 3 through a breather pipe 41, a support frame 1 is welded at the lower end of the tank body 2, a slant pipe 21 is communicated with the lower end of a discharge pipe 20 at the lower end of the tank body 2, a conveying motor 22 is installed at one end of the slant pipe 21, a screw conveyor is connected to the output shaft of the conveying motor 22, the screw conveyor is arranged in the slant pipe 21, and a discharge pipe 23 is communicated with the other end of the slant pipe 21 in an extending downward manner.

[0020] The dust precipitator 5 comprises a plurality of mounting legs 50 which are mounted on the end cover 3 through bolts, side plates 51 are respectively mounted on the mounting legs 50 at the same side through screws, a rectangular frame 52 is arranged between the side plates 51, a partition plate 60 is arranged in the rectangular frame 52, the partition plate 60 divides the internal space of the rectangular frame 52 into an upper air chamber and a lower air chamber, the outer end of the breather pipe 41 is mounted on the rectangular frame 52 through a bolt, and the outer end of the breather pipe 41 is connected to the lower air chamber, an exhaust pipe 53 is communicated with the rectangular frame 52, the exhaust pipe 53 is communicated with the lower air chamber, and an induced draft fan is arranged on the outer end of the exhaust pipe 53.

[0021] U-shaped shells 54 are respectively mounted at the upper and lower ends of the rectangular frame 52, winding shafts 56 are rotatably arranged in the U-shaped shells 54, filter cloths 61 are wound on the winding shafts 56, and the filter cloths 61 pass through the upper and lower ends of the rectangular frame 52 and the partition plate 60.

[0022] A dust suction box 64 is mounted on the upper side of the partition plate 60, a dust discharge pipe 55 is communicated with the outer end of the dust suction box 64, a dust suction fan is connected to the dust discharge pipe 55, a plurality of dust suction ports 68 are formed in the inner end of the dust suction box 64, and the inner end of the dust suction box 64 is closely attached to the filter cloth 61.

[0023] One end of one of the winding shafts 56 is connected to a motor 59, the motor 59 is mounted on the side plate 51, synchronous pulleys 57 are arranged on the winding shafts 56, and the synchronous pulleys 57 are driven through a synchronous belt 58.

[0024] A scraper 65 is welded to the lower wall of the partition plate 60, the scraper 65 is arranged in an inclined manner, the inner end of the scraper 65 acts on the air inlet side of the filter cloth 61, an L-shaped shell 67 is welded to the lower wall of the partition plate 60, the L-shaped shell 67 is located below the scraper 65, there is a dust inlet between the inner end of the scraper 65 and the L-shaped shell 67, an exhaust hole is formed in the partition plate 60, and the dust suction box 64 is communicated with the exhaust hole.

[0025] The flexible strip 62 is sleeved with a constraint sleeve 63, and the constraint sleeve 63 is installed on the inner wall of the side plate 51.

[0026] When the air is discharged, the air in the tank 2 is introduced into the lower air chamber through the air pipe 41 by the suction of the induced draft fan, and when the air and dust enter the lower air chamber, the dust is blocked by the filter cloth 61 to ensure that the air discharged from the exhaust pipe 53 and the induced draft fan contains a small amount of dust, thereby reducing the pollution caused by dust to the environment. And when the induced draft fan is started, the motor 59 needs to be started regularly to drive the two winding shafts 56 to rotate, and with the rotation of the winding shafts 56, the winding shafts 56 at the upper end will wrap the filter cloth 61 thereon, and the unused part will filter the air, so as to always ensure the air permeability. When the filter cloth 61 moves upward, the dust suction box 64 is started to suck the dust adhered to the filter cloth 61 into the filter cover of the dust suction box, and when cleaning, the scraper 65 first cleans the dust adhered to the inlet side of the filter cloth 61, and the dust enters the L-shaped shell 67 and is sucked out by the dust suction box. If the filter cloth 61 on the winding shaft 56 at the lower end is less, the motor is reversed to update the filter cloth 61, and after completion, the air discharge operation is performed again.

[0027] When discharging the material, the conveying motor 22 is started, and under the driving of the conveying motor 22, the material is conveyed into the mixing tank through the auger in the inclined pipe 21 for mixing and other operations.

[0028] The above only describes the preferred embodiments of the present application, and is not used to limit the present application. Obviously, those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and changes of the present application belong to the scope of the claims of the present application and equivalent technologies, the present application also intends to include these modifications and changes.

Claims

1. A composite admixture storage tank for a concrete mixing plant, comprising a tank body (2), an end cover (3) is installed at the upper end of the tank body (2), a dust settler (5) is communicated with the end cover (3) through a breather pipe (41), characterized in that, The dust collector (5) comprises a plurality of mounting legs (50) mounted on the end cover (3) by bolts, side plates (51) are respectively mounted on the mounting legs (50) on the same side by screws, a rectangular frame (52) is arranged between the side plates (51), a partition plate (60) is arranged in the rectangular frame (52), the partition plate (60) divides the internal space of the rectangular frame (52) into an upper air chamber and a lower air chamber, the outer end of the air pipe (41) is mounted on the rectangular frame (52) by bolts, and the outer end of the air pipe (41) is connected to the lower air chamber, the rectangular frame (52) is communicated with an exhaust pipe (53), the exhaust pipe (53) is communicated with the lower air chamber, and a draught fan is arranged on the outer end of the exhaust pipe (53); U-shaped shells (54) are respectively arranged at the upper end and the lower end of the rectangular frame (52), a winding shaft (56) is rotatably arranged in the U-shaped shell (54), a filter cloth (61) is wound on the winding shaft (56), and the filter cloth (61) penetrates the upper end and the lower end of the rectangular frame (52) and the partition plate (60); A dust suction box (64) is mounted on the upper side of the partition plate (60), a dust discharge pipe (55) is communicated with the outer end of the dust suction box (64), a dust suction fan is connected to the dust discharge pipe (55), a plurality of dust suction ports (68) are arranged on the inner end of the dust suction box (64), and the inner end of the dust suction box (64) is tightly attached to the filter cloth (61).

2. The composite admixture storage tank for a concrete mixing plant according to claim 1, characterized in that, One end of one of the winding shafts (56) is connected with a motor (59), the motor (59) is mounted on the side plate (51), and synchronous wheels (57) are arranged on the winding shaft (56), and the synchronous wheels (57) are driven by a synchronous belt (58).

3. The composite admixture storage tank for a concrete mixing plant according to claim 1, characterized in that, A scraper (65) is welded to the lower wall of the partition plate (60), the scraper (65) is arranged in an inclined manner, the inner end of the scraper (65) acts on the air inlet side of the filter cloth (61), an L-shaped shell (67) is welded to the lower wall of the partition plate (60), the L-shaped shell (67) is located below the scraper (65), and a dust inlet is formed between the inner end of the scraper (65) and the L-shaped shell (67), a discharge hole is arranged on the partition plate (60), and the dust suction box (64) is communicated with the discharge hole.

4. The composite admixture storage tank for a concrete mixing plant according to claim 1, characterized in that, Flexible strips (62) are arranged in the two sides of the filter cloth (61), the flexible strips (62) are in a cylindrical structure, a constraint sleeve (63) is arranged on the flexible strips (62), and the constraint sleeve (63) is mounted on the inner wall of the side plate (51).

5. The composite admixture storage tank for a concrete mixing plant according to claim 1, characterized in that, A support frame (1) is welded to the lower end of the tank body (2).

6. The composite admixture storage tank for a concrete mixing plant according to claim 1, characterized in that, The lower end of the discharge pipe (20) of the tank body (2) is communicated with an inclined pipe (21), one end of the inclined pipe (21) is provided with a conveying motor (22), an output shaft of the conveying motor (22) is connected with an auger, the auger is arranged in the inclined pipe (21), and the other end of the inclined pipe (21) is downwardly and continuously communicated with a discharge pipe (23).

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