CN215923218U - High cement storage tank of security - Google Patents

Abstract

The utility model discloses a high-safety cement storage tank, which belongs to the field of cement storage tank equipment of a concrete mixing plant and comprises a cement storage tank body, a feeding pipe and an exhaust pipe, wherein the cement storage tank body is erected on a support frame body, and the top of the cement storage tank body is provided with a buffer cavity; the buffer cavity is connected with an exhaust pipe; a feed delivery pump is arranged on the feed pipe; the top of the cement storage tank body is provided with an alarm; the highest storage line is arranged in the cement storage tank body; a material sensor is arranged on the highest storage line; the output end of the material sensor is electrically connected with the input end of the controller, and the output end of the controller is respectively electrically connected with the alarm and the material conveying pump; the top of the buffer cavity is also provided with a powder overflow device. The automatic control system is convenient for automatically controlling the feeding of the cement storage tank, and avoids the feeding exceeding the standard; even out of control, can also open the powder automatically and spill over the device, avoid the violent jar of cement storage tank, improve the reinforced security of cement storage tank greatly.

Description

High cement storage tank of security

Technical Field

The utility model relates to the technical field of cement storage tank equipment for concrete stirring, in particular to a cement storage tank with high safety.

Background

In concrete production, storage equipment for cement or other powder materials is required, and cement storage tanks are one of the most common devices. Present cement storage tank erects usually in the concrete mixing plant, after the cement in the cement storage tank used up, need add a quantitative cement in the cement storage tank, do benefit to delivery pump (air pump) input cement in to the cement storage tank usually, because the cement storage tank is higher, 3 meters more than usually, in the time of reinforced, can't observe the reinforced condition through the naked eye, the most significant position at the cement storage tank is equipped with other supervisory equipment usually, for example, utilize material sensor and alarm to indicate or automatic control, but there is the condition out of control in equipment occasionally, this is if can't close the delivery pump, the delivery pump can be always go into cement in the cement storage tank, can lead to the emergence that the cement storage tank explodes the jar, consequently, need provide the high cement storage tank of a security, in order to solve the defect that prior art exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a cement storage tank which is convenient for controlling material conveying and has high safety aiming at the defects of the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a cement storage tank with high safety comprises a cement storage tank body, a feeding pipe and an exhaust pipe, wherein the cement storage tank body is erected on a support frame body, and a buffer cavity is formed in the top of the cement storage tank body; the buffer cavity is connected with the exhaust pipe; a material conveying pump is arranged on the material inlet pipe; an alarm is arranged at the top of the cement storage tank body; a highest storage line is arranged in the cement storage tank body; a material sensor is arranged on the highest storage line; the output end of the material sensor is electrically connected with the input end of the controller, and the output end of the controller is respectively electrically connected with the alarm and the material conveying pump; the top of the buffer cavity is also provided with a powder overflow device; the powder overflow device comprises a plurality of fixed screws, a pressure plate and springs which are fixed on the side wall of the buffer cavity; a rubber pad is arranged at the opening part of the buffer cavity; the pressing plate is provided with a plurality of through holes; the pressure plate penetrates through the fixing screw rod and seals the opening of the buffer cavity through the extrusion of the spring and the nut.

Preferably, the number of the fixing screw rods and the number of the springs are 6-8.

Preferably, a fence is arranged around the top of the cement storage tank body.

Preferably, the cement storage tank body is further provided with an escalator.

Compared with the prior art, the utility model has the beneficial effects that: the highest storage line is arranged in the cement storage tank body; the highest storage line is provided with a material sensor, when cement is fed to the highest storage line in the process of conveying the cement to the cement storage tank by using the conveying pump, the material sensor detects the cement and transmits a signal to the controller, the controller sends an instruction to the alarm and the conveying pump, the alarm gives an alarm to remind workers, and meanwhile, the conveying pump automatically stops working; if control system can not fine transmission instruction's the condition, the defeated material pump is always for under the reinforced condition of cement storage tank body, and cement can fill up the cushion chamber always, and under cement constantly extrudees, the powder overflow device at the top of cushion chamber can open automatically, gets rid of cement, and the condition of the violent jar of fine cement storage tank body of avoiding takes place, has improved the security of cement storage tank greatly.

Drawings

FIG. 1 is a schematic structural view of a safe cement storage tank according to the present invention (in which a pressure plate is in a compressed and sealed state);

FIG. 2 is a schematic view showing another construction of a safe cement storage tank according to the present invention (in which a pressure plate is in a state of being pushed open);

FIG. 3 is a diagram showing a control system for connecting a material sensor, a controller, an alarm and a feed pump of a cement storage tank, which is highly safe in the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 3, the cement storage tank with high safety comprises a cement storage tank body 1, a feeding pipe 2 and an exhaust pipe 3, wherein the cement storage tank body 1 is erected on a support frame body 4, and a buffer cavity 11 is arranged at the top of the cement storage tank body; the buffer cavity 11 is connected with the exhaust pipe 3; a feed delivery pump 21 is arranged on the feed pipe 2; the top of the cement storage tank body 1 is provided with an alarm 5; a highest stock line 12 is arranged in the cement storage tank body 1; the highest stock line 12 is provided with a material sensor 6; the output end of the material sensor 6 is electrically connected with the input end of the controller, and the output end of the controller is respectively electrically connected with the alarm 5 and the material conveying pump 21; the top of the buffer chamber 11 is also provided with a powder overflow device 7.

The beneficial material delivery pump 21 of the utility model is an air pump (belonging to the existing equipment), namely, the air delivery of cement is facilitated, so that the sealing is ensured in the use process in the cement storage tank body 1, otherwise, the cement can spill out to pollute the surrounding environment, therefore, the powder overflow device 7 of the utility model comprises a plurality of fixed screws 71, a pressure plate 72 and a spring 73 which are fixed on the side wall of the buffer cavity 11; the mouth of the buffer cavity 11 is provided with a rubber pad 111; the pressing plate 72 is provided with a plurality of through holes 721; the pressing plate 72 penetrates the fixing screw 71 and seals the mouth of the buffer chamber 11 by pressing the spring 73 and the nut. Under the condition that the buffer cavity 11 is not filled with cement, the spring 73 is fixed on the fixing screw rod 71 by screwing the nut, at the moment, the spring 73 receives certain pressure, and the pressing plate 72 is well pressed on the opening part of the buffer cavity 11 under the action of the elastic force of the spring 73, and the sealing performance of the cement storage tank body 1 can be well guaranteed as the rubber pad 111 is arranged at the opening part of the buffer cavity 11; if the feeding pump 21 is always feeding to the cement storage tank body 1, the buffer cavity 11 is always filled with cement, the pressing plate 72 is continuously pressed upwards under the condition that the cement is continuously extruded, after the pressure is greater than the elastic force applied by the spring 73, the pressing plate 72 can be automatically opened to remove the cement, the condition that the cement storage tank body 1 is exposed to the atmosphere is well avoided, and the safety of the cement storage tank is greatly improved.

The number of the fixing screw rods 71 and the number of the springs 73 are 6-8, and the fixing screw rods and the springs are symmetrically arranged on the buffer cavity 11.

As workers are often required to be dispatched to overhaul the top of the cement storage tank body 1, a fence (not shown in the figure) is arranged around the top of the cement storage tank body 1 so as to provide a safe overhaul site for the overhaul workers; in order to facilitate workers to climb to the top of the cement storage tank body 1, the cement storage tank body 1 is further provided with an escalator (not shown in the figure).

Finally, it should be noted that the material sensor 6 in the present invention has a function of collecting a material position, the controller has a function of simply receiving a signal and controlling driving, which is a conventional function in the art, and there is no other special program, and the types of the controller and the material sensor 6 are not limited as long as the two functions can be achieved, and the circuit connection relationship between them can be completed without creative work for those skilled in the art, so the structure and principle thereof are not described herein again.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model. Finally, it should be noted that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, and those skilled in the art can implement the contents without creative efforts, so that the details are not described herein.

Claims (4)

1. A cement storage tank with high safety comprises a cement storage tank body (1), a feeding pipe (2) and an exhaust pipe (3), and is characterized in that the cement storage tank body (1) is erected on a support frame body (4), and the top of the cement storage tank body is provided with a buffer cavity (11); the buffer cavity (11) is connected with the exhaust pipe (3); a material conveying pump (21) is arranged on the material inlet pipe (2); an alarm (5) is arranged at the top of the cement storage tank body (1); a highest storage line (12) is arranged in the cement storage tank body (1); a material sensor (6) is arranged on the highest material storage line (12); the output end of the material sensor (6) is electrically connected with the input end of a controller, and the output end of the controller is respectively electrically connected with the alarm (5) and the material conveying pump (21); the top of the buffer cavity (11) is also provided with a powder overflow device (7); the powder overflow device (7) comprises a plurality of fixed screws (71), a pressure plate (72) and a spring (73), which are fixed on the side wall of the buffer cavity (11); a rubber pad (111) is arranged at the opening part of the buffer cavity (11); the pressing plate (72) is provided with a plurality of through holes (721); the pressing plate (72) penetrates through the fixing screw rod (71) and seals the opening of the buffer cavity (11) through the compression of the spring (73) and the nut.

2. The cement storage tank with high safety as claimed in claim 1, wherein the number of the fixing screw rods (71) and the number of the springs (73) are 6-8.

3. The cement storage tank with high safety according to claim 1 or 2, wherein a fence is arranged around the top of the cement storage tank body (1).

4. The cement storage tank with high safety according to claim 1 or 2, wherein the cement storage tank body (1) is further provided with an escalator.

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