Jet mill

By introducing a pulse filter and automatic controller into the air jet mill, combined with a pressure sensor and frequency converter, automated control and filtration cleaning are achieved, solving the problems of filter bag clogging and bag bursting, improving grinding efficiency and safety, and meeting the production needs of high efficiency, energy saving and environmental protection.

CN223570875UActive Publication Date: 2025-11-21JIANGSU ESSENCE AGROCHEM
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Patent Information

Application Number
CN202520057815.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2025-11-21
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing airflow pulverization processes suffer from filter bag clogging, bag bulging and explosion, and cannot achieve automation, thus failing to meet the demands for efficient, energy-saving, safe, and environmentally friendly production.

Method used

The system employs a pulse filter in conjunction with a flow diversion mechanism and an automatic controller. It utilizes a pressure sensor to detect the pressure difference, enabling automated control. When the pressure difference exceeds the set value, it stops the air supply and performs pulse cleaning. Combined with a frequency converter to adjust the speed of the induced draft fan, it achieves automated management of the filter cleaning pressure.

Benefits of technology

The automated control of the airflow pulverizer has been achieved, which has improved pulverization efficiency, reduced energy consumption, ensured safety and environmental protection, and solved the problems of filter bag clogging and bag bursting.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223570875U_ABST
Patent Text Reader

Abstract

The utility model discloses a jet mill which comprises a base, a high-pressure flow guide seat is fixedly mounted on the base, a crushing tower is fixedly mounted at the top of the high-pressure flow guide seat, an electric material distribution wheel is mounted at the top of the crushing tower, a feeding tower is fixedly mounted on the base, and a discharge valve is fixedly mounted at the bottom end of the feeding tower. The two air pressure sensors in the top area and the bottom area of the pulse filter are used for detecting the air pressure of the position respectively, the automatic controller is used for calculating the pressure difference in real time, and after the pressure difference exceeds a set value, the high-pressure airflow input equipment is controlled to stop supplying air and temporarily shut down; and then the pulse filter is started to perform pulse cleaning on the self filtering structure, and after the shutdown time reaches the time, the automatic controller restarts the equipment to operate so as to relieve the pressure, so that the device has the advantages of automatic control, filtering and cleaning pressure control, higher efficiency, higher safety and higher environment friendliness.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of airflow pulverizer, more specifically, relate to airflow pulverizer. BACKGROUND

[0002] Airflow pulverizing process is a kind of pulverization to material using high-speed airflow, is widely used in chemical industry, pharmacy, food and other fields.

[0003] However, the existing airflow pulverizing process has filter bag blockage, bag expansion easy explosion, cannot be automated and other problems, cannot satisfy the production demand of high efficiency, energy saving, safety, environmental protection.

[0004] Therefore, it is necessary to develop a new type of airflow pulverizing process to improve the pulverizing efficiency and reduce energy consumption UTILITY MODEL CONTENT

[0005] In view of the problems in the prior art, the utility model aims at providing airflow pulverizer.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] Airflow pulverizer, including base, high pressure flow guide seat is fixedly installed on the base, the top of high pressure flow guide seat is fixedly installed with the pulverizing tower, the top of pulverizing tower is installed with electric material distributing wheel, the base is fixedly installed with feeding tower, the bottom of feeding tower is fixedly installed with unloading valve, the bottom of unloading valve is installed with breathable flexible cloth bag pipe, the bottom end of cloth bag pipe is insertedly connected to the inside of pulverizing tower, the top of base is installed with fixedly installed finished product kettle, the base is installed with cyclone dust collector, electric material distributing wheel is fixedly connected with the inlet of cyclone dust collector through pipeline, the outlet of cyclone dust collector is fixedly connected with finished product kettle through pipeline, the dust outlet of cyclone dust collector is fixedly connected with pulse filter through pipeline, the top and bottom of pulse filter are fixedly installed with air pressure sensor, the output end of pulse filter is fixedly installed with flow guide mechanism, automatic controller is installed on flow guide mechanism.

[0008] As a further description of the above technical scheme: the flow guide mechanism includes air guide pipe and air guide fan, one end of the air guide pipe is insertedly connected to the discharge end of the pulse filter, the other end of the air guide pipe is fixedly connected with the input end of the air guide fan, the air guide fan is fixedly installed on the base, and the automatic controller is fixedly installed on the air guide fan.

[0009] As a further description of the above technical scheme: the bottom end of the finished product kettle is fixedly installed with a discharge control valve.

[0010] As a further description of the above technical scheme: the air guide fan is installed on one side of the frequency converter.

[0011] As the further description of the above technical solution: the bottom of the discharge valve is fixedly connected with a pressure sensor, and the pressure sensor is located in the interior of the cloth bag pipe.

[0012] As the further description of the above technical solution: the inside of the crushing tower is fixedly installed with a flow guide cover, the front view section of the flow guide cover is conical, and the connection between the outside of the flow guide cover and the crushing tower is provided with through holes arranged at equal distances.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The device has automatic control, filtering and pressure control through the pulse filter, the drainage mechanism and the automatic controller, and has the advantages of high efficiency, safety and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a front view section structure schematic diagram of the utility model;

[0016] Fig. 2 It is a part of the utility model's overhead view section structure schematic diagram;

[0017] Fig. 3 It is a running principle schematic diagram of the utility model.

[0018] Explanation of reference numerals in the drawing:

[0019] 1, base; 2, high pressure flow guide seat; 3, crushing tower; 31, flow guide cover; 32, through hole; 4, electric material distributing wheel; 5, feeding tower; 6, discharge valve; 61, pressure sensor; 7, cloth bag pipe; 8, finished product kettle; 81, discharge control valve; 9, cyclone dust collector; 10, pulse filter; 11, air pressure sensor; 12, drainage mechanism; 121, air induction pipe; 122, air induction fan; 1221, frequency converter; 13, automatic controller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model;

[0021] Please refer to Figs. 1-3The utility model discloses a airflow pulverizer, including base 1, the high pressure flow guide seat 2 of fixed mounting is installed on base 1, the top fixed mounting of high pressure flow guide seat 2 has the pulverization tower 3, the top installation of pulverization tower 3 has electric material distributing wheel 4, the fixed mounting of feeding tower 5 is installed on base 1, the bottom fixed mounting of feeding tower 5 has the unloading valve 6, the bottom installation of unloading valve 6 has the flexible cloth bag pipe 7 of ventilation, the bottom end of cloth bag pipe 7 is inserted and is fixed to the inside of pulverization tower 3, the top fixed mounting of base 1 has the finished product kettle 8, the cyclone dust collector 9 is installed on base 1, and electric material distributing wheel 4 is fixedly connected with the feed inlet of cyclone dust collector 9 through pipeline, and the discharge port of cyclone dust collector 9 is fixedly connected with finished product kettle 8 through pipeline, and the dust outlet of cyclone dust collector 9 is fixedly connected with pulse filter 10 through pipeline, and the top and bottom of pulse filter 10 are fixedly installed with air pressure sensor 11, and the output of pulse filter 10 is fixedly installed with drainage mechanism 12, and automatic controller 13 is installed on drainage mechanism 12.

[0022] The utility model discloses a airflow pulverizer, including base 1, the high pressure flow guide seat 2 of fixed mounting is installed on base 1, the top fixed mounting of high pressure flow guide seat 2 has the pulverization tower 3, the top installation of pulverization tower 3 has electric material distributing wheel 4, the fixed mounting of feeding tower 5 is installed on base 1, the bottom fixed mounting of feeding tower 5 has the unloading valve 6, the bottom installation of unloading valve 6 has the flexible cloth bag pipe 7 of ventilation, the bottom end of cloth bag pipe 7 is inserted and is fixed to the inside of pulverization tower 3, the top fixed mounting of base 1 has the finished product kettle 8, the cyclone dust collector 9 is installed on base 1, and electric material distributing wheel 4 is fixedly connected with the feed inlet of cyclone dust collector 9 through pipeline, and the discharge port of cyclone dust collector 9 is fixedly connected with finished product kettle 8 through pipeline, and the dust outlet of cyclone dust collector 9 is fixedly connected with pulse filter 10 through pipeline, and the top and bottom of pulse filter 10 are fixedly installed with air pressure sensor 11, and the output of pulse filter 10 is fixedly installed with drainage mechanism 12, and automatic controller 13 is installed on drainage mechanism 12.

[0023] Please refer to Fig. 1Wherein: the air guide mechanism 12 comprises an air duct 121 and an air blower 122, one end of the air duct 121 is fixedly connected to the discharge end of the pulse filter 10, the other end of the air duct 121 is in communication with the input end of the air blower 122, the air blower 122 is fixedly installed on the base 1, and the automatic controller 13 is fixedly installed on the air blower 122.

[0024] In the utility model, the air blower 122 can change with the pressure difference value, the speed of the air blower 122 is adjusted, the airflow is discharged through the air duct 121, and the power is automatically and flexibly adjusted, so that energy saving and high efficiency are achieved.

[0025] Please refer to Fig. 1 Wherein: the bottom end of the finished product kettle 8 is fixedly installed with a discharge control valve 81.

[0026] In the utility model, the discharge control valve 81 is convenient for controlling the discharge operation of the finished product kettle 8.

[0027] Please refer to Fig. 1 Wherein: one side of the air blower 122 is installed with a frequency converter 1221.

[0028] In the utility model, the frequency converter 1221 cooperates with the automatic controller 13 to realize more stable and reliable speed control of the air blower 122, the air pressure detected by the lower air pressure sensor 11 is used for automatically adjusting the speed of the air blower 122, when the pulse filter 10 is not blocked, the air blower 122 runs at low speed, energy saving and environmental protection are achieved, and the air pressure is guaranteed. When the pulse filter 10 is blocked, the air blower 122 automatically accelerates and runs at high speed, and the air pressure is guaranteed.

[0029] Please refer to Fig. 1 And Fig. 3 Wherein: the bottom of the discharge valve 6 is fixedly connected with a pressure sensor 61, and the pressure sensor 61 is located in the interior of the cloth bag pipe 7.

[0030] In the utility model, the pressure sensor 61 is used for monitoring the conveying pressure in the cloth bag pipe 7 in real time, when the pressure exceeds the set value, the discharge valve 6 is closed to suspend feeding, the material in the cloth bag pipe 7 is discharged, the pressure is lowered to a safety value, and the automatic controller 13 reopens the discharge valve 6 to normally feed.

[0031] Please refer to Fig. 1 And Fig. 2 Wherein: the inside of the crushing tower 3 is fixedly installed with a flow guide cover 31, the front view section of the flow guide cover 31 is conical, and equidistantly arranged through holes 32 are arranged at the connection between the outer side of the flow guide cover 31 and the crushing tower 3.

[0032] The conical flow guide cover 31 makes the material high-speed airflow collision breaking space be extruded, makes collision contact more comprehensive, and the breaking effect is better, and the through hole 32 makes the unqualified material of separation can re-enter the high-speed collision area and break again.

[0033] The above is only the preferred specific implementation of the present application; but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, within the technical range disclosed by the present application, should be covered in the protection scope of the present application.

Claims

1. An airflow pulverizer, comprising a base (1), characterized in that: A high-pressure guide seat (2) is fixedly installed on the base (1). A crushing tower (3) is fixedly installed on the top of the high-pressure guide seat (2). An electric material distribution wheel (4) is installed on the top of the crushing tower (3). A feeding tower (5) is fixedly installed on the base (1). A discharge valve (6) is fixedly installed at the bottom of the feeding tower (5). A breathable and flexible cloth bag tube (7) is installed at the bottom of the discharge valve (6). The bottom end of the cloth bag tube (7) is inserted and fixed to the inside of the crushing tower (3). A finished product kettle (8) is fixedly installed on the top of the base (1). 1) A cyclone dust collector (9) is installed on the top. The electric material distribution wheel (4) is connected and fixed to the feed port of the cyclone dust collector (9) through a pipe. The discharge port of the cyclone dust collector (9) is connected and fixed to the finished product kettle (8) through a pipe. The dust discharge port of the cyclone dust collector (9) is fixedly connected to a pulse filter (10) through a pipe. A pressure sensor (11) is fixedly installed on the top and bottom of the pulse filter (10). A flow diversion mechanism (12) is fixedly installed on the output end of the pulse filter (10). An automatic controller (13) is installed on the flow diversion mechanism (12).

2. The airflow pulverizer according to claim 1, characterized in that: The flow-guiding mechanism (12) includes an air duct (121) and an air blower (122). One end of the air duct (121) is inserted and fixedly connected to the discharge end of the pulse filter (10). The other end of the air duct (121) is connected and fixedly connected to the input end of the air blower (122). The air blower (122) is fixedly installed on the base (1). The automatic controller (13) is fixedly installed on the air blower (122).

3. The airflow pulverizer according to claim 1, characterized in that: A discharge control valve (81) is fixedly installed at the bottom of the finished product reactor (8).

4. The airflow pulverizer according to claim 2, characterized in that: A frequency converter (1221) is installed on one side of the induced draft fan (122).

5. The airflow pulverizer according to claim 1, characterized in that: A pressure sensor (61) is fixedly connected to the bottom of the discharge valve (6), and the pressure sensor (61) is located inside the bag tube (7).

6. The airflow pulverizer according to claim 1, characterized in that: The crushing tower (3) is fixedly installed inside a flow guide shroud (31). The front view of the flow guide shroud (31) is conical. The connection between the outer side of the flow guide shroud (31) and the crushing tower (3) is provided with through holes (32) arranged at equal intervals.