CN216755863U - System for quantitatively adding solid powder - Google Patents

Abstract

The utility model relates to the field of chemical industry, in particular to a system for quantitatively adding solid powder, which comprises a fan, a cyclone dust collector and a feeder which are sequentially communicated, wherein the feeder is communicated with the cyclone dust collector and used for introducing the solid powder in the feeder into the cyclone dust collector under the action of the fan; the system also comprises a program control system and a mixing tank, wherein the mixing tank is communicated with the process control system and the cyclone dust collector, and the program control system is used for quantifying the solid powder discharged by the cyclone dust collector and sending the solid powder into the mixing tank. According to the utility model, the fan, the cyclone dust collector and the program control system are used in a matched manner, so that the precise addition of solid powder in the chemical field is realized, and the stability of production and operation is ensured.

Description

System for quantitatively adding solid powder

Technical Field

The utility model relates to the field of chemical industry, in particular to a system for quantitatively adding solid powder.

Background

In the chemical production process, adding solid powder into each system is a common process, and especially adding too much or too little solid powder for chemical reaction can generate factors or harmful substances which are unfavorable for production operation. Therefore, the stable addition of the solid powder in the production flow is ensured, and the method has great significance for stable operation of enterprise production.

At present, the solid powder adding mode is mainly manual operation, although the auxiliary feeding of a conveyor belt gradually appears along with the development of the technology, or a valve is added to control the adding of materials, the high-precision valve is used to increase the investment of equipment cost; the common valve wastes a large amount of manpower, causes powder dust and wastes materials; also results in inaccurate addition of material and time of addition. And further, the whole production process is unstable in operation, and the economic benefit of enterprises is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem of unstable feeding of solid powder in the prior art, provides a system for quantitatively adding the solid powder, and can realize accurate addition of the solid powder in the chemical field.

In order to achieve the purpose, the utility model provides a system for quantitatively adding solid powder, wherein the system comprises a fan, a cyclone dust collector and a feeder which are sequentially communicated, and the feeder is communicated with the cyclone dust collector and used for introducing the solid powder in the feeder into the cyclone dust collector under the action of the fan;

the system also comprises a program control system and a mixing tank, wherein the mixing tank is communicated with the process control system and the cyclone dust collector, and the program control system is used for quantifying the solid powder discharged by the cyclone dust collector and sending the quantified solid powder to the mixing tank.

Preferably, the programmed system is a pneumatically programmed system.

Preferably, the program control system comprises a first butterfly valve, a second butterfly valve and a dosing cylinder, wherein the first butterfly valve and the second butterfly valve are respectively arranged at an inlet end and an outlet end of the dosing cylinder.

Preferably, the cyclone dust collector comprises an inlet arranged on the side wall of the upper part of the cyclone dust collector, an upper discharge hole arranged at the top of the cyclone dust collector and a lower discharge hole arranged at the bottom of the cyclone dust collector;

the inlet is communicated to the feeder through a first pipeline, the upper discharge port is communicated to the fan through a second pipeline, and the lower discharge port is communicated to the blending tank through a pipeline.

Preferably, the system further comprises a bag-type dust collector, the bag-type dust collector is arranged on a second pipeline between the fan and the cyclone dust collector, and a third pipeline is arranged at the bottom of the bag-type dust collector and used for being communicated to the first pipeline.

Preferably, the bag-type dust collector is a pulse bag-type dust collector.

Preferably, the system further comprises a temporary storage tank, the top end of the temporary storage tank is communicated with the lower discharge port of the cyclone dust collector, and the bottom end of the temporary storage tank is communicated with the program control system.

Through the technical scheme, the precise addition of the solid powder in the chemical field is realized through the matching use of the fan, the cyclone dust collector and the program control system, and the stability of production and operation is ensured.

Drawings

FIG. 1 is a schematic diagram of a system for dosing a solid powder according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a programmed system according to an embodiment of the present invention.

Description of the reference numerals

1. Fan 2 and bag-type dust collector

3. Cyclone dust collector 4 and temporary storage tank

5. Program control system 6 and feeder

7. Mixing tank 31, inlet

32. Upper discharge port 33 and lower discharge port

501. First butterfly valve 502 and dosing cylinder

503. Second butterfly valve

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "top", "bottom", "inner", "outer", "center", "lateral", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

FIG. 1 is a schematic diagram of a system for dosing solid powder according to an embodiment of the present invention; as shown in fig. 1, the present invention provides a system for quantitatively adding solid powder, wherein the system comprises a fan 1, a cyclone 3 and a feeder 6 which are sequentially communicated, the feeder 6 is communicated with the cyclone 3, and is used for introducing the solid powder in the feeder 6 into the cyclone 3 under the action of the fan 1;

the system also comprises a program control system 5 and a mixing tank 7, wherein the mixing tank 7 is communicated with the cyclone dust collector 3 through the program control system 5, and the program control system 5 is used for quantifying the solid powder discharged by the cyclone dust collector 3 and sending the solid powder into the mixing tank 7.

According to the utility model, negative pressure is formed by the fan 1, solid powder in the feeder 6 is sucked into the cyclone dust collector 3, the solid powder in the cyclone dust collector 3 enters the bottom of the cyclone dust collector 3 under the action of gravity, and the content of the solid powder entering the mixing tank 7 is controlled by controlling the opening degree and the opening and closing time of the program control system 5, so that the precise quantitative addition of the solid powder is realized.

In the utility model, the mixing tank 7 is used for mixing the precise quantitative solid powder with other materials to obtain a mixed material; the mixing tank 7 may be of a kind that can be used in existing devices for powder mixing, and is known to those skilled in the art, and the present invention will not be described herein.

Fig. 2 is a schematic structural diagram of a programmed system according to an embodiment of the present invention, as shown in fig. 2, in some preferred embodiments of the present invention, the programmed system 5 is a pneumatic programmed system; further preferably, the programmable system 5 comprises a first butterfly valve 501, a second butterfly valve 503 and a dosing cylinder 502, wherein the first butterfly valve 501 and the second butterfly valve 503 are respectively arranged at an inlet end and an outlet end of the dosing cylinder 502.

According to the present invention, the type and operation mode of the pneumatic program control system may be known to those skilled in the art, and the pneumatic program control system may exemplarily use compressed air as a power source, and may include an air cylinder, an electric valve positioner, a converter, an electromagnetic valve, a positioning valve, etc.; the pneumatic program control system takes an air cylinder as an actuating mechanism, drives the opening and closing degrees and the opening and closing times of the first butterfly valve 501 and the second butterfly valve 503 under the coordination of accessories such as an electric valve positioner, a converter, an electromagnetic valve, a positioning valve and the like, and controls the amount of solid powder entering the quantitative cylinder 502, so that the precise addition of the solid powder is realized; illustratively, the pneumatic programming system may be a commercially available pneumatic butterfly valve of shanghai national specialty pneumatic valve kit model DN 150; the pneumatic program control system valve is simple to control, rapid in response, safe and reliable, free of other explosion-proof measures, relatively reasonable in price and capable of achieving stability of technological parameters such as medium flow, pressure and temperature in the pipeline.

In the present invention, the volume of the quantitative cylinder 502 may be adjusted according to the actual amount of solid powder added. According to the air quantity and the air pressure of the fan and the pressure and the temperature in the pipeline, the solid powder in the quantitative cylinder accurately enters the mixing tank 7 in each period through controlling the opening and closing time of the first butterfly valve 501 and the second butterfly valve 503, and the stable production and operation of enterprises are guaranteed.

In the present invention, the type of the fan 1 can be selected according to the nature and use of the actually transported gas, such as transporting air or purified dust-containing gas, and a fan commonly available on the market can be selected; when conveying corrosive gas, an anti-corrosion fan should be selected; when flammable, explosive or dusty gases are to be transported, an explosion-proof blower or a dust exhaust blower should be selected.

In the utility model, in order to operate stably, the air volume and the air pressure of the fan 1 are larger than the air volume and the air pressure of a system obtained by theoretical calculation; the fan 1 may illustratively be a commercially available 9-19-4.5A fan having a flow rate of 1616 cubic meters per hour at 2900Y/min and a power of 4 kilowatts.

In some preferred embodiments of the present invention, the cyclone 3 comprises an inlet 31 disposed on the upper sidewall of the cyclone 3, an upper discharge port 32 disposed on the top of the cyclone 3, and a lower discharge port 33 disposed on the bottom of the cyclone 3; preferably, the inlet 31 is connected to the feeder 6 via a first pipe, the upper discharge port 32 is connected to the fan 1 via a second pipe, and the lower discharge port 33 is connected to the blending tank 7 via a pipe.

According to the utility model, it is further preferable that the system further comprises a bag-type dust collector 2, the bag-type dust collector 2 is arranged on a second pipeline between the fan 1 and the cyclone dust collector 3, and a third pipeline is arranged at the bottom of the bag-type dust collector 2 and is communicated with the first pipeline. The bag-type dust collector 2 can intercept the solid powder flowing out of the upper discharge hole 32 at the top of the cyclone separator 3, and the solid powder enters the cyclone separator through the third pipeline and the first pipeline in sequence for recycling. Further preferably, the third pipe has an inner diameter of 0.6 to 0.8 times the inner diameter of the second pipe.

According to the present invention, preferably, the bag-type dust collector is a pulse-type bag-type dust collector; the kind of the pulse bag-type dust collector can be known to those skilled in the art, and for example, the pulse bag-type dust collector is commercially available with the model number QYM-ZC-20D, the pulse width is 0.01-99.99 seconds, the pulse interval is 1-9999 seconds, and the period interval is 10-99990 seconds.

In some preferred embodiments of the present invention, the system further comprises a temporary storage tank 4, wherein the top end of the temporary storage tank 4 is communicated with the lower discharge port 33, and the bottom end of the temporary storage tank 4 is communicated with the programmable control system 5 for storing the solid powder at the bottom of the cyclone dust collector 3.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should also be considered as disclosed in the present invention, and all such modifications and combinations are intended to be included within the scope of the present invention.

Claims (7)

1. The system for quantitatively adding the solid powder is characterized by comprising a fan (1), a cyclone dust collector (3) and a feeder (6) which are sequentially communicated, wherein the feeder (6) is communicated with the cyclone dust collector (3) and is used for introducing the solid powder in the feeder (6) into the cyclone dust collector (3) under the action of the fan (1);

the system also comprises a program control system (5) and a mixing tank (7), wherein the mixing tank (7) is communicated with the cyclone dust collector (3) through the program control system (5), and the program control system (5) is used for quantifying the solid powder discharged by the cyclone dust collector (3) and sending the quantified solid powder into the mixing tank (7).

2. System according to claim 1, characterized in that the programming system (5) is a pneumatically programmed system.

3. A system according to claim 2, characterized in that the programming system (5) comprises a first butterfly valve (501), a second butterfly valve (503) and a dosing cylinder (502), wherein the first butterfly valve (501) and the second butterfly valve (503) are arranged at an inlet end and an outlet end of the dosing cylinder (502), respectively.

4. The system according to claim 1, wherein the cyclone (3) comprises an inlet (31) arranged at the upper side wall of the cyclone (3), an upper discharge port (32) arranged at the top of the cyclone (3) and a lower discharge port (33) arranged at the bottom of the cyclone (3);

the inlet (31) is communicated to the feeder (6) through a first pipeline, the upper discharge port (32) is communicated to the fan (1) through a second pipeline, and the lower discharge port (33) is communicated to the blending tank (7) through a pipeline.

5. The system according to claim 4, characterized in that the system further comprises a bag dust collector (2), the bag dust collector (2) is arranged on a second pipeline between the fan (1) and the cyclone (3), and a third pipeline is arranged at the bottom of the bag dust collector (2) for communicating with the first pipeline.

6. The system of claim 5, wherein the bag-type dust collector is a pulsed bag-type dust collector.

7. A system according to claim 4, characterized in that the system further comprises a staging tank (4), the top end of the staging tank (4) being in communication with the lower outlet (33) of the cyclone (3) and the bottom end of the staging tank (4) being in communication with the programmable system (5).

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