Cement dust collecting device

Abstract

The utility model relates to the technical field of dust treatment, and discloses a cement dust collecting device which comprises a conveying section, an air inlet section; a collection section; the dust removal structure is arranged in the cavity of the conveying section and used for settling dust in air, the dust removal structure comprises a water spraying pipe, a mounting body, evacuation bodies and a blocking piece, the water spraying pipe is fixedly connected with the collecting section, the mounting body is fixedly mounted in the cavity of the conveying section, and the two evacuation bodies are fixedly arranged on one side of the mounting body; the two evacuating bodies are matched with the mounting body to form a trumpet-shaped channel with a gradually-contracted opening, the effect of accelerating airflow entering the conveying section is achieved, air flows through the end opening of the collecting section, the flow speed is large, then the relative pressure is small, atomized water drops sprayed out of the water spraying pipe can rise due to the pressure difference, the rising atomized water drops and the high-speed airflow are opposite, and the atomization effect is achieved. Therefore, contact between the water vapor and the dust can be promoted, the adsorption effect of the water vapor on the dust is improved, and the dust adhered with water drops falls into the collecting section under the action of gravity and is collected.

Description

Technical Field

[0001] The utility model relates to the technical field of dust treatment, in particular to a cement dust collecting device. Background Art

[0002] During the production process, mud is small in size and light in weight, so it easily floats in the air and forms dust during transportation, which requires the use of special dust collection devices.

[0003] The prior art discloses a cement production dust collection device (CN202322466019.2), including a main pipe, which can be divided into three parts, including a dust inlet section, a collection section and an air outlet section. The dust inlet section is located at the dust inlet position at the front end of the main pipe, and a water spray device is provided at the junction of the dust inlet section, the collection section and the air outlet section. The water spray device is installed on the top of the main pipe and is connected to an external water supply device through a water pipe. The air outlet section is located in a parallel position to the end of the dust inlet section, and an exhaust fan is installed on the air outlet section. The collection section is located below the main pipe, and the collection section is connected to a collection box through a conveying pipe.

[0004] In the prior art, dust is handled by spraying in a direction perpendicular to the airflow, and the falling airflow settles under the action of gravity, and the contact between the water mist and the flowing air is not ideal, which inhibits the adsorption effect of the water mist on the air, leaving room for optimization.

[0005] To this end, we propose a cement dust collection device. Utility Model Content

[0006] The utility model mainly solves the technical problem that the contact mode between water mist and air flow limits the purification effect, and provides a cement dust collection device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solution, a cement dust collection device, comprising:

[0008] The conveying section forms a hollow tubular structure and is used for exhausting air, and a fan is connected to the port of the conveying section;

[0009] The air intake section is a tubular structure fixedly connected to the conveying section for air intake, and an air suction hood is installed at the port of the air intake section;

[0010] The collecting section is fixedly installed at the bottom of the conveying section and is used to discharge the collected dust. A collecting box is installed at the bottom of the collecting section;

[0011] The dust removal structure is arranged in the belly of the conveying section and is used for settling dust in the air. The dust removal structure includes a water spray pipe, a mounting body, an evacuation body and a baffle. The water spray pipe is fixedly connected to the collecting section. The mounting body is fixedly installed in the conveying section cavity. Two evacuation bodies are fixedly arranged on one side of the mounting body. The two evacuation bodies form a channel with a gradually narrowing opening. A plurality of baffles are fixedly connected to the inner wall of the conveying section. The baffles and the water spray pipe are directly opposite to the channel.

[0012] As a preferred embodiment of the utility model, the air intake section and the collecting section are interconnected with the conveying section, and the air intake section, the collecting section and the conveying section together form a pipeline with an F-shaped cross-section, and the ports of the air intake section and the collecting section are both set downward.

[0013] As a preferred embodiment of the utility model, the evacuated body forms a hollow plate-like structure, the end of the evacuated body is fixedly connected to a side wall of the installation body, and the two evacuated bodies are distributed in an eight-shaped shape.

[0014] As a preferred embodiment of the present invention, the evacuation body extends obliquely toward the baffle, the baffle is at the same height as the chamber of the conveying section, the length of the evacuation body is smaller than the height of the chamber of the conveying section, and a channel is formed between the two evacuation bodies.

[0015] As a preferred embodiment of the utility model, the water spray pipe passes through the collecting section and extends into the cavity of the conveying section. The water spray pipe is vertically arranged, and an atomizing nozzle is fixedly installed at the top port of the water spray pipe.

[0016] As a preferred embodiment of the utility model, the baffle is fixedly installed on the bottom surface of the conveying section, the baffle is located on one side of the top port of the collecting section, the evacuation body is located on the other side of the top port of the collecting section, the heights of the multiple baffles increase uniformly toward the conveying section port, and the highest baffle does not contact the top surface of the conveying section.

[0017] As a preferred embodiment of the present invention, a window is provided on the wall surface of the installation body, and the installation body forms a hollow plate-like structure through the window.

[0018] As a preferred embodiment of the utility model, a reflux groove is provided at the bottom of the baffle, the baffle is as wide as the chamber of the conveying section, the bottom of the conveying section is inclined toward the air intake section to form a slope, and the material between two adjacent baffles can flow back from the reflux groove to the collection section. Beneficial Effects

[0019] The utility model provides a cement dust collection device, which has the following beneficial effects:

[0020] 1. A cement dust collection device discharges atomized water droplets to the port of the collecting section through a water spray pipe to absorb dust, and a mounting body and an evacuation body are provided. The two evacuation bodies cooperate with the mounting body to form a trumpet-shaped channel with a gradually narrowing opening, which has the effect of accelerating the airflow entering the conveying section. When the gas flows through the port of the collecting section, the flow rate is large and the relative pressure is small. Then, the atomized water droplets sprayed from the water spray pipe will rise due to the pressure difference. The rising atomized water droplets collide with the high-speed airflow, thereby promoting the contact between water vapor and dust, and improving the adsorption effect of water vapor on dust. The dust adhering to the water droplets will fall into the collecting section under the action of gravity and be collected.

[0021] 2. This cement dust collection device, by setting a baffle, can guide the horizontally flowing airflow, and part of the airflow that contacts water vapor will flow through the opening of the collection section and impact the baffle. The gas is guided and blocked by multiple baffles with increasing heights, and water droplets gradually adhere to the baffles and slide down, which can reduce the probability of water droplets being sucked into the fan, thereby protecting the fan and better collecting dust in the gas.

[0022] 3. This cement dust collection device has a window so that the installation body forms a hollow structure for gas circulation, and a reflux groove is provided at the bottom of each baffle to ensure that water droplets sliding down from the wall of the baffle can flow back from the bottom of the conveying section to the collection section for recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0024] Figure 2 This is the second overall stereogram of the utility model;

[0025] Figure 3 This is one of the cutaway views of the delivery pipe of the utility model;

[0026] Figure 4 This is the second cutaway view of the delivery pipe of the utility model;

[0027] Figure 5 It is a stereoscopic diagram of the evacuation body, baffle and mounting body of the utility model.

[0028] Legend: 10, conveying section; 11, air intake section; 12, collecting section; 13, water spray pipe; 20, mounting body; 21, evacuation body; 22, baffle; 23, window; 24, reflux groove. DETAILED DESCRIPTION

[0029] A cement dust collecting device, such as Figure 1 and Figure 2 As shown, including:

[0030] The conveying section 10 is formed into a hollow tubular structure and is used for exhausting air. A fan is connected to the port of the conveying section 10. Specifically, the fan is a centrifugal fan, and the conveying section 10 is exhausted by the fan.

[0031] The air intake section 11 is a tubular structure fixedly connected to the conveying section 10 for air intake, and an air suction hood is installed at the port of the air intake section 11;

[0032] The collecting section 12 is fixedly mounted at the bottom of the conveying section 10 and is used to discharge the collected dust. A collecting box is mounted at the bottom of the collecting section 12. The air intake section 11 and the collecting section 12 are integrally formed. Air is taken in through the bottom opening of the air intake section 11, and the settled dust falls from the collecting section 12 into the collecting box.

[0033] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the dust removal structure is arranged in the belly of the conveying section 10 and is used to settle the dust in the air. The dust removal structure includes a water spray pipe 13, a mounting body 20, an evacuation body 21 and a baffle 22. The water spray pipe 13 is fixedly connected to the collecting section 12. The mounting body 20 is fixedly installed in the cavity of the conveying section 10. Two evacuation bodies 21 are fixedly arranged on one side of the mounting body 20. The two evacuation bodies 21 form a channel with an opening gradually contracting. A plurality of baffles 22 are fixedly connected to the inner wall of the conveying section 10. The baffles 22 and the water spray pipe 13 are directly opposite to the channel. The air intake section 11 The air inlet section 11, the collecting section 12 and the conveying section 10 are interconnected, the air inlet section 11, the collecting section 12 and the conveying section 10 together form a pipe with an F-shaped cross section, the ports of the air inlet section 11 and the collecting section 12 are both set downward, the evacuation body 21 forms a hollow plate structure, the end of the evacuation body 21 is fixedly connected to the side wall of the mounting body 20, the two evacuation bodies 21 are distributed in an eight-shaped shape, the evacuation body 21 extends obliquely toward the baffle 22, the baffle 22 is at the same height as the chamber of the conveying section 10, and the length of the evacuation body 21 is less than the conveying section 10 The height of the cavity is , a channel is formed between the two evacuation bodies 21, the water spray pipe 13 penetrates the collecting section 12 and extends to the cavity of the conveying section 10, the water spray pipe 13 is vertically arranged, and an atomizing nozzle is fixedly installed at the top port of the water spray pipe 13. Specifically, the water spray pipe 13 is connected to a water source, and the water source includes a water tank and a water pump. The water pump is arranged in the water tank, and the water spray pipe 13 is connected to the water tank drain port, and atomized water droplets are discharged to the port of the collecting section 12 through the water spray pipe 13 to absorb dust, and the installation body 20 and the evacuation body 21 are arranged, A trumpet-shaped channel with a gradually narrowing opening is formed by cooperating with the two evacuation bodies 21 and the mounting body 20, which has the effect of accelerating the airflow entering the conveying section 10. When the gas flows through the port of the collecting section 12, the flow velocity is large and the relative pressure is relatively small. Then, the atomized water droplets sprayed from the water spray pipe 13 will rise due to the pressure difference. The rising atomized water droplets collide with the high-speed airflow, thereby promoting the contact between water vapor and dust, and improving the adsorption effect of water vapor on dust. The dust adhering to the water droplets will fall into the collecting section 12 under the action of gravity and be collected.

[0034] By setting the baffle 22, the baffle 22 can guide the horizontally flowing airflow, and part of the airflow that contacts the water vapor will flow through the opening of the collecting section 12 and impact the baffle 22. The gas is guided and blocked by multiple baffles 22 with increasing heights, and the water droplets gradually adhere to the baffle 22 and slide down, which can reduce the probability of water droplets being sucked into the fan, thereby achieving protection of the fan and better collection of dust in the gas.

[0035] like Figure 5As shown, the baffle 22 is fixedly mounted on the inner bottom surface of the conveying section 10, the baffle 22 is located on one side of the top port of the collecting section 12, and the evacuation body 21 is located on the other side of the top port of the collecting section 12. The heights of the multiple baffles 22 increase uniformly toward the port of the conveying section 10, and the highest baffle 22 does not contact the inner top surface of the conveying section 10. A window 23 is provided on the wall of the mounting body 20, and the mounting body 20 forms a hollow plate structure through the window 23. A reflux groove 24 is provided at the bottom of the baffle 22. The baffle 22 is equal in width to the chamber of the conveying section 10, and the bottom of the conveying section 10 is inclined toward the air inlet section 11 to form a slope. The material between two adjacent baffles 22 can flow back from the reflux groove 24 to the collecting section 12. By providing the window 23, the mounting body 20 forms a hollow structure for gas circulation, and the reflux groove 24 is provided at the bottom of each baffle 22, which can ensure that water droplets sliding down from the wall of the baffle 22 can flow back from the bottom of the conveying section 10 to the collecting section 12 for recovery.

[0036] The working principle of the utility model is as follows: the water spray pipe 13 is connected to a water source, the water source includes a water tank and a water pump, the water pump is arranged in the water tank, the water spray pipe 13 is connected to the water tank drain port, and the atomized water droplets are discharged to the port of the collecting section 12 through the water spray pipe 13 to absorb dust, and the installation body 20 and the evacuation body 21 are arranged, and the two evacuation bodies 21 cooperate with the installation body 20 to form a trumpet-shaped channel with a gradually narrowing opening, which has the effect of accelerating the airflow entering the conveying section 10. When the gas flows through the port of the collecting section 12, the flow rate is large and the relative pressure is small, then the atomized water droplets sprayed from the water spray pipe 13 will rise due to the pressure difference, and the rising atomized water droplets and The high-speed airflows collide, thereby promoting the contact between water vapor and dust. The dust adhering to the water droplets will fall into the collecting section 12 under the action of gravity and be collected. By setting the baffle 22, the baffle 22 can guide the horizontally flowing airflow, and part of the airflow contacting the water vapor will flow through the opening of the collecting section 12 and impact the baffle 22. The gas is guided and blocked by multiple baffles 22 with increasing heights. By opening the window 23, the mounting body 20 forms a hollow structure for gas circulation, and a reflux groove 24 is opened at the bottom of each baffle 22 to ensure that the water droplets sliding down from the wall of the baffle 22 can flow back from the bottom of the conveying section 10 to the collecting section 12 and be returned.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A cement dust collection device, characterized in that: include: The conveying section (10) forms a hollow tubular structure and is used for exhausting air, and a fan is connected to the port of the conveying section (10); An air intake section (11) is a tubular structure fixedly connected to the conveying section (10) for air intake, and an air suction hood is installed at the port of the air intake section (11); A collecting section (12) is fixedly mounted at the bottom of the conveying section (10) and is used to discharge the collected dust, and a collecting box is mounted at the bottom end of the collecting section (12); A dust removal structure is arranged in the belly of a conveying section (10) and is used to settle dust in the air. The dust removal structure comprises a water spray pipe (13), a mounting body (20), an evacuation body (21) and a baffle (22). The water spray pipe (13) is fixedly connected to the collecting section (12). The mounting body (20) is fixedly mounted in the cavity of the conveying section (10). Two evacuation bodies (21) are fixedly arranged on one side of the mounting body (20). The two evacuation bodies (21) form a channel with an opening that gradually narrows. A plurality of baffles (22) are fixedly connected to the inner wall of the conveying section (10). The baffles (22) and the water spray pipe (13) face the channel.

2. The cement dust collecting device according to claim 1, characterized in that: The air intake section (11) and the collecting section (12) are both interconnected with the conveying section (10); the air intake section (11), the collecting section (12) and the conveying section (10) together form a pipeline with an F-shaped cross section; the ports of the air intake section (11) and the collecting section (12) are both arranged downward.

3. The cement dust collecting device according to claim 1, characterized in that: The evacuated body (21) forms a hollow plate-like structure, an end of the evacuated body (21) is fixedly connected to a side wall surface of the mounting body (20), and the two evacuated bodies (21) are distributed in an eight-shaped shape.

4. The cement dust collecting device according to claim 1, characterized in that: The evacuation body (21) extends obliquely toward the baffle (22); the baffle (22) is at the same height as the chamber of the conveying section (10); the length of the evacuation body (21) is less than the height of the chamber of the conveying section (10); and a channel is formed between the two evacuation bodies (21).

5. The cement dust collecting device according to claim 1, characterized in that: The water spray pipe (13) passes through the collecting section (12) and extends into the cavity of the conveying section (10). The water spray pipe (13) is arranged vertically, and an atomizing nozzle is fixedly installed at the top port of the water spray pipe (13).

6. The cement dust collecting device according to claim 1, characterized in that: The baffle (22) is fixedly mounted on the inner bottom surface of the conveying section (10), the baffle (22) is located on one side of the top port of the collecting section (12), and the evacuation body (21) is located on the other side of the top port of the collecting section (12), the heights of the plurality of baffles (22) increase uniformly toward the port of the conveying section (10), and the highest baffle (22) does not contact the inner top surface of the conveying section (10).

7. The cement dust collecting device according to claim 1, characterized in that: A window (23) is provided on the wall surface of the installation body (20), and the installation body (20) forms a hollow plate-like structure through the window (23).

8. The cement dust collecting device according to claim 1, characterized in that: A reflux groove (24) is provided at the bottom of the baffle (22); the baffle (22) is as wide as the chamber of the conveying section (10); the bottom of the conveying section (10) is inclined toward the air inlet section (11) to form a slope; and materials between two adjacent baffles (22) can flow back from the reflux groove (24) into the collecting section (12).

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