Energy-saving dust collector for cement grinding
Through the closed circulation dust collection system and cooling device, the problems of high resistance and energy consumption waste of dust collection equipment during cement grinding are solved, and effective dust collection and energy consumption saving are achieved.
Patent Information
- Application Number
- CN202421960843.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-08-14
AI Technical Summary
During the existing cement grinding process, dust collection equipment has problems such as high resistance and waste of energy, which affects the environment and the health of operators.
A closed-circulation dust collection system is designed, including ventilation ducts, roller press systems, mills, tail powder pickers and cooling devices, to reduce resistance through partition partitions, and to save energy consumption by using cooling devices.
Effectively reduce dust scattering, reduce environmental pollution, reduce energy consumption, and improve equipment efficiency and safety.
Smart Images

Figure CN223249483U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cement grinding energy-saving dust collection, in particular to a cement grinding energy-saving dust collector. Background Art
[0002] Currently on the market, the cement grinding energy-saving dust collector is a dust collection and treatment equipment specially designed for grinding stations in the cement industry. The design and application of the cement grinding energy-saving dust collector not only helps enterprises meet environmental protection requirements, but also reduces production costs by saving energy and improving efficiency. It is an important part of the sustainable development of the cement industry. This dust collector can not only effectively collect the dust generated in the cement production process and reduce pollution to the environment, but also reduce energy consumption through energy-saving design and improve overall economic benefits.
[0003] The current dust collector has a large resistance. During the cement production process, a large amount of dust will be generated in the grinding process, which not only pollutes the environment but also threatens the health of operators. Although the existing dust collecting equipment can collect dust, there is a problem of energy waste. Therefore, a cement grinding energy-saving dust collector is proposed to address the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a cement grinding energy-saving dust collector to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A cement grinding energy-saving dust collector comprises a ventilation duct, a roller press system, a grinder, a mill tail powder classifier and a cooling device, one end of the ventilation duct is fixedly connected to the roller press system, one side of the roller press system is provided with a first feed port, one end of the ventilation duct is fixedly connected to the grinder, one end of the grinder is fixedly connected to the mill tail powder classifier, one end of the grinder is fixedly connected to the second feed port, one end of the ventilation duct is fixedly connected to the cooling device, one end of the ventilation duct is fixedly connected to the dust collector, the dust collector comprises a shell, a first fan, a second fan, a dust collecting box, a discharge structure, a filter bag and a partition, one side of the ventilation duct is fixedly connected to a support frame, and the bottom end of the dust collector is fixedly connected to a power supply.
[0007] Preferably, a first fan is fixedly connected inside the shell, a second fan is fixedly connected inside the shell, a dust collecting box is provided inside the shell, a discharge structure is fixedly connected to the bottom end of the dust collecting box, a filter bag is fixedly connected inside the shell, and a partition is fixedly connected inside the shell.
[0008] Preferably, the discharging structure is funnel-shaped.
[0009] Preferably, the partition divides the inner area of the shell into two areas of equal volume.
[0010] Preferably, the roller press system, mill, mill tail powder classifier, cooling device and dust collector are electrically connected.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] In the utility model, ventilation ducts are provided to form a closed circulation system of the dust collector, roller press system, grinder and tail mill powder selector. The closed working space prevents dust from flying. The partition divides the dust collector into two parts, thereby reducing dust collection resistance, making full use of the dust collector, and saving compressed air. The temperature of the air flow is lowered by providing a cooling device to avoid instrument failure caused by excessively high air flow temperature, thereby reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the dust collector of the utility model;
[0015] Figure 3 This is a schematic diagram of the power supply installation position of the utility model.
[0016] In the figure: 1. Ventilation duct; 2. Roller press system; 3. First feed inlet; 4. Grinding mill; 5. Mill tail powder separator; 6. Second feed inlet; 7. Cooling device; 8. Dust collector; 801. Shell; 802. First fan; 803. Second fan; 804. Dust collecting box; 805. Discharging structure; 806. Filter bag; 807. Partition; 9. Support frame; 10. Power supply. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0018] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.
[0019] In addition, it should be noted that the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this utility model.
[0020] See also Figure 1-3 , the utility model provides a technical solution:
[0021] A cement grinding energy-saving dust collector comprises a ventilation duct 1, a roller press system 2, a grinder 4, a mill tail powder selector 5 and a cooling device 7, one end of the ventilation duct 1 is fixedly connected to the roller press system 2, a first feed port 3 is provided on one side of the roller press system 2, one end of the ventilation duct 1 is fixedly connected to the grinder 4, one end of the grinder 4 is fixedly connected to the mill tail powder selector 5, one end of the grinder 4 is fixedly connected to the second feed port 6, one end of the ventilation duct 1 is fixedly connected to the cooling device 7, one end of the ventilation duct 1 is fixedly connected to the dust collector 8, the dust collector 8 comprises a shell 801, a first fan 802, a second fan 803, a dust collecting box 804, a discharging structure 805, a filter bag 806 and a partition 807, one side of the ventilation duct 1 is fixedly connected to a support frame 9, and the bottom end of the dust collector 8 is fixedly connected to a power supply 10.
[0022] A first fan 802 is fixedly connected to the inside of the shell 801, a second fan 803 is fixedly connected to the inside of the shell 801, a dust box 804 is provided inside the shell 801, a discharge structure 805 is fixedly connected to the bottom end of the dust box 804, a filter bag 806 is fixedly connected to the inside of the shell 801, a partition 807 is fixedly connected to the inside of the shell 801, and the discharge structure 805 is funnel-shaped. This arrangement makes it easier for dust to fall and collect. The partition 807 divides the internal area of the shell 801 into two areas of equal volume, ensuring the working effect of the dust collector 8. The roller press system 2, the grinder 4, the mill tail powder selector 5, the cooling device 7 and the dust collector 8 are electrically connected, which facilitates the operation and control of the staff.
[0023] Working process: When we need to grind cement, the whole system is supported by the support frame 9 away from the ground, a first feed port 3 is provided on one side of the roller press system 2, a second feed port 6 is fixedly connected to one end of the mill 4, and a mill tail powder selector 5 is fixedly connected to one end of the mill 4. The raw materials to be processed are added to the roller press system 2 from the first feed port 3 and added to the mill 4 from the second feed port 6. Turn on the power supply 10, which will start the roller press system 2, the mill 4 and the mill tail powder selector 5 at the same time. After the grinding work is completed, a first fan 802 and a second fan 803 are provided inside the shell 801. The power of the first fan 802 is 132KW, and the power of the second fan 803 is 160KW. Use the power supply 10 to start the first fan 802 and the second fan 803. The two fans will cause the air flow inside the ventilation duct 1 to start circulating rapidly. The circulating air flow will bring the products of the roller press system 2 and the tail mill powder selector 5 to the dust collector 8. The dust will be blocked by the filter bag 806 and concentrated in the dust box 804, and leak out from the discharge structure 805. The discharge structure 805 is funnel-shaped, making it easy for dust to leak and be collected by the staff. The partition 807 divides the shell 801 into two, reducing the dust collection resistance and making full use of the internal space of the dust collector 8. The air filtered by the filter bag 806 enters the cooling device 7 connected to the ventilation duct 1. After the air is cooled, it enters the cycle again for use.
[0024] Any matters not described in detail in this specification are prior art known to those skilled in the art. Standard parts used in this utility model are commercially available, and special-shaped parts can be customized according to the description in the specification and the accompanying drawings. The specific connection methods of each part are all conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment are all conventional models in the prior art, and the circuit connections use conventional connection methods in the prior art, which will not be described in detail here.
[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cement grinding energy-saving dust collector, comprising a ventilation duct (1), a roller press system (2), a grinding mill (4), a grinding tail powder separator (5) and a cooling device (7), characterized in that: One end of the ventilation duct (1) is fixedly connected to a roller press system (2), one side of the roller press system (2) is provided with a first feed port (3), one end of the ventilation duct (1) is fixedly connected to a mill (4), one end of the mill (4) is fixedly connected to a mill tail powder selector (5), one end of the mill (4) is fixedly connected to a second feed port (6), one end of the ventilation duct (1) is fixedly connected to a cooling device (7), one end of the ventilation duct (1) is fixedly connected to a dust collector (8), the dust collector (8) comprises a shell (801), a first fan (802), a second fan (803), a dust collecting box (804), a discharging structure (805), a filter bag (806) and a partition (807), one side of the ventilation duct (1) is fixedly connected to a support frame (9), and the bottom end of the dust collector (8) is fixedly connected to a power supply (10).
2. The cement grinding energy-saving dust collector according to claim 1, characterized in that: A first fan (802) is fixedly connected to the interior of the housing (801), a second fan (803) is fixedly connected to the interior of the housing (801), a dust collecting box (804) is provided inside the housing (801), a discharge structure (805) is fixedly connected to the bottom end of the dust collecting box (804), a filter bag (806) is fixedly connected to the interior of the housing (801), and a partition (807) is fixedly connected to the interior of the housing (801).
3. The cement grinding energy-saving dust collector according to claim 1, characterized in that: The discharge structure (805) is funnel-shaped.
4. The cement grinding energy-saving dust collector according to claim 1, characterized in that: The partition (807) divides the internal area of the shell (801) into two areas of equal volume.
5. The cement grinding energy-saving dust collector according to claim 1, characterized in that: The roller press system (2), the grinding mill (4), the grinding tail powder separator (5), the cooling device (7) and the dust collector (8) are electrically connected.