Low-power-consumption dust suppression loading and unloading funnel
By combining the air curtain generator and negative pressure exhaust in the loading and unloading funnel, and using sensor automatic control equipment to work, the problems of high power consumption and dust overflow of the existing loading and unloading funnel are solved, and a low-power and environmentally friendly loading and unloading effect is achieved.
Patent Information
- Application Number
- CN202421311625.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-07
AI Technical Summary
When handling dust materials, existing loading and unloading funnels require high-power negative pressure vacuum cleaners, resulting in large energy consumption and serious environmental pollution, and dust overflow is easily caused when the claw buckets enter and exit.
A low-power dust-rejecting loading and unloading funnel is designed, using a combination of air curtain generator and negative pressure exhaust fan. The equipment is automatically controlled by sensors, and the negative pressure exhaust fan is only started when the claw bucket enters and exits, reducing unnecessary energy consumption.
Effectively block dust overflow, reduce energy consumption, reduce environmental pollution, and low cost, save a lot of electricity, achieving the purpose of energy conservation and environmental protection.
Smart Images
Figure CN222556063U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of loading and unloading funnels, in particular to a low-power consumption dust suppression loading and unloading funnel. Background Art
[0002] When loading and unloading dusty materials (such as iron ore powder, coal, cassava chips, etc.) at the port, the claw bucket of the gantry crane grabs the materials from the ship and sends them to the large funnel for loading or sending them to the silo or yard through a belt conveyor. The current gantry crane is generally equipped with a high-power negative pressure dust suction device, but when the claw bucket is loosened, a large amount of dust will still be generated, which will cause great environmental pollution to the port or the site. In order to suppress dust, the general funnel requires a high-power negative pressure motor. For example, a cassava chip loading and unloading funnel requires 6 11Kw motors to suck air at the same time, and the power of the dust collector is 15Kw. The existing funnel must be electrically started all the time when working, resulting in a large amount of energy consumption and increased costs. For this reason, a low-power dust suppression loading and unloading funnel is provided, which can effectively reduce dust and power consumption, and ensure the environment on site. Utility Model Content
[0003] The purpose of the utility model is to provide a low-power consumption dust suppression loading and unloading funnel in view of the defects of the prior art, so as to solve the problems raised by the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-power dust suppression loading and unloading funnel, including a funnel, the top of the funnel is provided with a feeding port welded by two side panels and two wind shields, the two wind shields are provided with an air supply one-way valve, a first wind curtain generator is installed on the top of the side panel on one side of the feeding port, a wind curtain generator outlet is provided at the bottom of one side of the first wind curtain generator, a plurality of negative pressure suction ports are provided on the side panel on the other side of the feeding port, a negative pressure pipe is provided on the back of the negative pressure suction port, a negative pressure exhaust fan is installed on the negative pressure pipe, and a feeding port is provided at the bottom of the funnel.
[0005] As a preferred technical solution of the utility model, a second air curtain generator is installed on the upper side of the negative pressure air suction port, and a sensor is installed on the inner wall of the feed port.
[0006] As a preferred technical solution of the utility model, the height of the air outlet of the air curtain generator is lower than the height of the wind shield.
[0007] As a preferred technical solution of the present utility model, the height of the negative pressure air suction port is flush with or lower than the air outlet of the wind curtain generator.
[0008] As a preferred technical solution of the utility model, the air outlet height of the first air curtain generator is higher than the position of the air replenishment one-way valve.
[0009] As a preferred technical solution of the present utility model, the sensor is electrically connected to the second air curtain generator and the negative pressure exhaust fan through a controller.
[0010] As a preferred technical solution of the utility model, the first air curtain generator and the negative pressure duct are both installed on the side plate by bolts.
[0011] As a preferred technical solution of the utility model, the negative pressure exhaust fan is connected to the dust removal device through an air supply pipeline.
[0012] Compared with the prior art, the beneficial effects of the utility model are: the loading and unloading funnel can block the large amount of dust generated when the claw bucket enters and exits the funnel to put materials, and it has low energy consumption and low cost. It can not only save energy but also effectively prevent dust overflow, ensuring the on-site environment. When the claw hand enters and exits the loading and unloading funnel, a sensor is used for automatic identification to turn on the corresponding equipment to block the dust, thereby achieving the purpose of energy saving. An oppositely arranged wind curtain is also used to avoid the phenomenon that the grab arm blocks the wind curtain when the claw bucket enters and exits the funnel, causing a small amount of dust to overflow, thereby reducing the amount of dust overflow in the funnel. The loading and unloading funnel only uses a wind curtain motor, a negative pressure motor and a dust collector. Compared with the existing method, it not only has low power, but the negative pressure motor only works when the claw bucket enters and exits the funnel. Therefore, a large amount of electric energy is saved, achieving the purpose of energy saving and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;
[0014] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model.
[0015] In the figure: a first air curtain generator 1, a funnel 2, a negative pressure exhaust fan 3, a negative pressure pipe 4, an air supply one-way valve 5, an air curtain generator outlet 6, a negative pressure suction port 7, a feed port 8, a wind shield 9, a side panel 10, a sensor 11, and a second air curtain generator 12. DETAILED DESCRIPTION
[0016] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.
[0017] Example 1: Please refer to Figure 1-2The utility model provides a technical solution: a low-power consumption dust suppression loading and unloading funnel, including a funnel 2, a feeding port welded by two side panels 10 and two wind shields 9 is provided on the top of the funnel 2, an air supply check valve 5 is installed on the two wind shields 9, a first wind curtain generator 1 is installed on the top of the side panel 10 on one side of the feeding port, a wind curtain generator outlet 6 is provided on the bottom of one side of the first wind curtain generator 1, a plurality of negative pressure suction ports 7 are provided on the side panel 10 on the other side of the feeding port, a negative pressure pipe 4 is provided on the back of the negative pressure suction port 7, a negative pressure exhaust fan 3 is installed on the negative pressure pipe 4, and a feeding port 8 is provided at the bottom of the funnel 2.
[0018] A second wind curtain generator 12 is installed on the upper side of the negative pressure suction port 7, and a sensor 11 is installed on the inner wall of the feed port. When the claw bucket passes through the wind curtain, the wind curtain machines on both sides work simultaneously, which can effectively prevent dust from escaping due to one side of the wind curtain being blocked by the claw bucket.
[0019] The height of the air curtain generator outlet 6 is lower than the height of the wind shield 9, which ensures the quality of the air curtain formed by the air curtain generator. When the claw bucket releases the material, the emitted dust goes up and is blocked by the entire air curtain.
[0020] The height of the negative pressure air suction port 7 is flush with or lower than the air outlet 6 of the wind curtain generator. The wind curtain can be blown onto the opposite side panel 10, and part of the air enters the negative pressure air suction port 7. At this time, the negative pressure exhaust fan 3 needs to work synchronously with the wind curtain generator, and the air supply one-way valve 5 cooperates to adjust the air pressure in the funnel under the wind curtain to maintain the air pressure balance, thereby keeping the wind curtain stable.
[0021] The height of the air outlet 6 of the first air curtain generator 1 is higher than the position of the air supply one-way valve 5 .
[0022] The sensor 11 is electrically connected to the second wind curtain generator 12 and the negative pressure exhaust fan 3 through the controller. The sensor detects the distance between the claw bucket and the bucket. When the set value is reached, it is determined whether the claw bucket is in the funnel and cooperates with the negative pressure exhaust fan 3 to achieve energy saving. The sensor 11 is used to determine whether the claw bucket enters the funnel, thereby controlling the second wind curtain generator 12 and the negative pressure exhaust fan 3 to be powered on. The sensor 11 is an infrared ranging sensor, a radio frequency ranging sensor, an ultrasonic ranging sensor, an image analysis sensor, and the like.
[0023] The first air curtain generator 1 and the negative pressure duct 4 are both mounted on the side plate 10 by bolts.
[0024] The negative pressure exhaust fan 3 is connected to the dust removal device through an air pipeline, and can filter and remove dust from the sucked air containing dust, thereby achieving the purpose of purifying the air and preventing pollution.
[0025] There are several situations when the low-power dust suppression loading and unloading funnel is used:
[0026] 1. When the claw bucket does not move in or out, the first air curtain generator 1 always works above the funnel 2 to form an air curtain, the discharge port 8 of the funnel 2 does not discharge materials, the negative pressure exhaust fan 3 does not work, and the air supply check valve 5 is in a closed state due to pressure balance;
[0027] 2. When the claw bucket does not move in or out, the first air curtain generator 1 always works above the funnel 2 to form an air curtain, the material is discharged from the discharge port 8 of the funnel 2, the negative pressure exhaust fan 3 does not work, and the air replenishment check valve 5 automatically opens to replenish air due to the pressure difference between the inside and outside of the air replenishment check valve 5 caused by the low pressure in the funnel 2;
[0028] 3. When a claw bucket enters the hopper 2, regardless of whether the hopper 2 is unloading, the negative pressure exhaust fan 3 works at this time. The negative pressure suction volume per unit time must be greater than the volume of the hopper and the material. The opening size of the air supply check valve 5 can balance the following three quantities: the reduction of the funnel air pressure caused by the suction of the negative pressure exhaust fan 3, the increase of the air pressure caused by the entry of the claw bucket and the material, and the reduction of the air pressure caused by unloading. Moreover, after the claw bucket enters the hopper 2, the first air curtain generator 1 and the second air curtain generator 12 work to effectively prevent the dust from escaping due to the air curtain on one side being blocked by the claw bucket. The first air curtain generator 1 is always working, and the second air curtain generator 12 controls its work through the controller when the sensor detects that the claw bucket enters the hopper, so as to achieve the purpose of saving energy.
[0029] 4. When a claw bucket comes out of the funnel 2, regardless of whether the funnel 2 is unloading, the negative pressure exhaust fan 3 stops working, and the opening size of the air supply check valve 5 can balance the following two quantities: the reduction in air pressure caused by the departure of the claw bucket and the reduction in air pressure caused by unloading. When the sensor 11 fails to detect that the claw bucket is in the funnel 2, the second air curtain generator 12 and the negative pressure exhaust fan 3 are automatically closed through the controller to achieve the purpose of energy saving, and the first air curtain generator 1 is always working to ensure that the air curtain is always present.
[0030] Example 2: This example uses a cassava dry loading and unloading funnel to conduct field experiments.
[0031] As a comparative example, this cassava drying hopper uses 6 11Kw motors to simultaneously suck air under negative pressure, and the power of the dust collector is 15Kw;
[0032] As an implementation example, the cassava drying hopper of this design only needs 2Kw motor power, among which the motors of the air curtain 1Kw + negative pressure exhaust fan 0.6Kw + dust collector 0.4Kw, thus saving 97.5% of the power;
[0033] In this structure, the negative pressure exhaust fan and dust removal motor only work when the claw bucket enters. Assuming that the claw bucket is in the funnel for 10% of the time, 1-(1+1*0.1) / 2=45% can be saved;
[0034] In summary, this structure can save electricity by 1-(1*1*0.1) / 81=98.64%.
[0035] Therefore, compared with the prior art, the loading and unloading funnel of the utility model is more energy-saving and environmentally friendly, and has lower cost.
[0036] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.
Claims
1. A low power consumption dust suppression loading and unloading funnel, comprising a funnel (2), characterized in that: The top of the funnel (2) is provided with an inlet formed by welding two side panels (10) and two wind shields (9), and the two wind shields (9) are equipped with an air supply check valve (5). The top of the side panel (10) on one side of the inlet is equipped with a first air curtain generator (1), and the bottom of one side of the first air curtain generator (1) is provided with an air curtain generator outlet (6). The side panel (10) on the other side of the inlet is provided with a plurality of negative pressure air suction ports (7), and a negative pressure pipe (4) is provided on the back of the negative pressure air suction port (7), and a negative pressure exhaust fan (3) is installed on the negative pressure pipe (4). The bottom of the funnel (2) is provided with a discharge port (8).
2. The low-power consumption dust suppression loading and unloading funnel according to claim 1 is characterized in that: A second air curtain generator (12) is installed on the upper side of the negative pressure air suction port (7), and a sensor (11) is installed on the inner wall of the feed port.
3. The low-power consumption dust suppression loading and unloading funnel according to claim 1 is characterized in that: The height of the air outlet (6) of the air curtain generator is lower than the height of the wind shield (9).
4. The low power consumption dust suppression loading and unloading funnel according to claim 1 is characterized in that: The height of the negative pressure air suction port (7) is flush with or lower than the air outlet (6) of the wind curtain generator.
5. The low-power consumption dust suppression loading and unloading funnel according to claim 1 is characterized in that: The air outlet (6) of the first air curtain generator (1) is located at a height higher than the position of the air replenishment one-way valve (5).
6. The low-power consumption dust suppression loading and unloading funnel according to claim 2 is characterized in that: The sensor (11) is electrically connected to the second air curtain generator (12) and the negative pressure exhaust fan (3) through a controller.
7. The low power consumption dust suppression loading and unloading funnel according to claim 1 is characterized in that: The first air curtain generator (1) and the negative pressure duct (4) are both mounted on the side plate (10) by means of bolts.
8. The low power consumption dust suppression loading and unloading funnel according to claim 1 is characterized by: The negative pressure exhaust fan (3) is connected to the dust removal device via an air supply pipeline.