Composite dedusting and discharging equipment

Abstract

The utility model provides a composite dedusting and discharging device which comprises a filter, a discharger, a stock bin and a pulser, the dedusting and discharging device is composed of a metal frame, and the filter, the discharger and the pulser are all installed on the metal frame; the stock bin is positioned below the dust removal and unloading equipment, is communicated with the filter and the unloader and is used for receiving waste dust and materials respectively; the discharger is provided with a feeding port and is communicated with the filter, and a cyclone separation device is assembled above the discharger and is used for separating heavy materials, light materials and dusty gas and pushing the dusty gas and the light materials to the filter for filtering and separation; and the pulser is provided with an exhaust outlet communicated with the outside, is communicated with the filter and is used for spraying high-pressure gas into the filter cavity and exhausting the gas cleaned by the filter through the exhaust outlet. The dust removal device has the beneficial effects that the dust removal effect and the discharging efficiency of materials are improved, and the energy consumption and the construction cost of equipment are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal equipment, in particular to a composite dust removal and unloading equipment. Background Art

[0002] In the modern industrial production process, unloading and dust removal are two key links, especially in the power, metallurgy, chemical, light industry and building materials industries, the filtration and control of particulate matter is particularly important. Although the existing dust removal equipment such as bag dust collector, electrostatic precipitator and cyclone separator have their own advantages and disadvantages, they are insufficient in handling smaller particles, adapting to harsh working environments and operating stably under different air volume, dust volume and energy consumption conditions. Bag dust collectors are easily clogged by dust and need to be frequently replaced and maintained, and are not effective in handling smaller particles; although electrostatic precipitators are suitable for handling high temperature and high humidity gases, they have low capture efficiency for fine particles and require large equipment investment; cyclone separators are more effective in handling large particles, but the dust removal effect on small particles is not ideal. Utility Model Content

[0003] In view of this, the utility model aims to provide a composite dust removal and unloading equipment to improve the dust removal effect and unloading efficiency of materials and reduce equipment energy consumption and construction costs.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] The utility model discloses a composite dust removal and unloading equipment.

[0006] Further, the dust removal and unloading equipment comprises a filter, a discharger, a silo, and a pulser, the dust removal and unloading equipment is formed by a metal frame, and the filter, the discharger, and the pulser are all mounted on the metal frame;

[0007] The silo is located below the dust removal and unloading equipment and is connected to the filter and the unloader, which are used to receive waste dust and materials respectively;

[0008] The discharger is connected with the feed port and the filter. A cyclone separation device is installed above the discharger to separate heavy materials, light materials and dusty gas, and push the dusty gas and light materials to the filter for filtration and separation.

[0009] The pulser is provided with an exhaust port connected to the outside, and the pulser is connected to the filter for spraying high-pressure gas into the filter chamber, and the gas cleaned by the filter is discharged from the exhaust port.

[0010] Furthermore, the cyclone separation device includes a motor, an impeller, and a cover plate. The motor is fixed on the cover plate. The motor output shaft passes through the cover plate and is fixedly connected to the impeller. The cover plate is located above the discharger and is sealed to the discharger chamber.

[0011] Furthermore, the discharger is provided with a fan-shaped ventilation duct, which passes through the pulser chamber, and whose air outlet is located inside the filter, and the fan-shaped ventilation duct is sealed and connected to the pulser chamber.

[0012] Furthermore, it also includes a vibration motor, which is installed at the connection between the filter and the silo and the connection between the discharger and the silo, and is used to vibrate the materials accumulated in the discharger chamber and the waste dust filtered in the filter chamber.

[0013] Furthermore, the pulser includes an air pump, an air pipe, and a plurality of air nozzles, the air pump is mounted on a metal frame, the air pipe is connected to the air pump, the plurality of air nozzles are fixedly connected to the air pipe, and the air pump is externally connected to a high-pressure air source;

[0014] The air pipe extends into the pulser chamber, and a plurality of air nozzles use an air pump to eject gas in a pulsed manner.

[0015] Further, the filter chamber is provided with a plurality of filter elements, the plurality of filter elements are symmetrically arranged, one end of the filter element extends into the pulser chamber, and the filter element is sealed and connected to the pulser chamber;

[0016] The place where the filter and the discharger are connected is located in the middle part of the filter elements;

[0017] The plurality of gas nozzles correspond to the plurality of filter elements one by one and are used for receiving high-pressure gas.

[0018] Further, a dust removal and unloading process is based on the composite dust removal and unloading equipment. The dust removal and unloading process uses a discharger to unload and preliminarily screen the dust-containing gas, uses a filter to filter the dust-containing gas, uses the high-pressure gas ejected by the pulser to strip the waste dust in the filter element, and discharges the filtered gas through the pulser. The dust removal and unloading process includes:

[0019] T1. Cyclone separation: The material enters the discharger chamber from the feed port and falls to the silo by gravity. At the same time, the cyclone separation device uses the cyclone field to perform primary separation, sending light particles and waste dust into the filter chamber;

[0020] T2. Dust separation: In the filter chamber, some light particles fall into the silo by gravity to achieve secondary separation;

[0021] T3, Pulse separation: The filter element absorbs part of the waste dust and light particles to achieve three-level separation. At the same time, the pulser sprays high-pressure gas to the filter element in a pulsed manner, causing the waste dust and light particles absorbed by the filter element to fall into the silo;

[0022] T4. Exhaust gas: With the continuous pushing action of the cyclone separation device, the gas filtered by the filter enters the pulser chamber from one end of the filter element, and then is discharged from the exhaust port.

[0023] Furthermore, a plurality of dust removal and unloading devices are connected in parallel to the material pipe and the exhaust pipe, so as to unload and remove dust from the material in parallel;

[0024] A one-way gravity flap valve is provided at the connection point between the filter and the discharger. The cut-off direction of the one-way gravity flap valve is from the filter to the discharger, and is used to prevent the running dust removal and discharge equipment from causing a coupling effect on the non-running dust removal and discharge equipment, and to prevent dust-containing gas from backflowing from the filter into the discharger.

[0025] Furthermore, in T3 pulse separation, each time the pulser sprays out high-pressure gas, at most two of the gas nozzles are opened and connected, and the remaining gas nozzles are in a closed state, so that the filter element corresponding to the open gas nozzle receives the high-pressure gas, and the filter element corresponding to the closed gas nozzle discharges the filtered gas, thereby keeping the air pressure in the filter chamber stable.

[0026] Compared with the prior art, the composite dust removal and unloading equipment described in the utility model has the following features:

[0027] Beneficial effects:

[0028] (1) The dust removal and unloading equipment described in the utility model, first, the cyclone separation device uses the cyclone field to perform a preliminary primary separation of the material, separating the heavy material from the light particles and waste dust; secondly, the filter chamber uses gravity to settle some of the light particles to achieve secondary separation; finally, the pulser uses high-pressure gas to strip the waste dust in the filter element and discharge clean gas to achieve three-stage clean dust removal. This multi-stage separation method ensures the thoroughness of dust removal and greatly improves the dust removal efficiency;

[0029] (2) The one-way gravity flap valve of the dust removal and unloading equipment described in the utility model prevents the coupling effect between different devices and ensures the stable operation of the system under high load and complex working conditions;

[0030] (3) The dust removal and unloading equipment described in the utility model has a segmented opening design of the pulser, which ensures that the filter element is always in a stable air pressure environment, thereby improving the filtering effect and extending the life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0032] Figure 1 This is a schematic diagram of the axonometric view of the dust removal and unloading equipment described in this practical embodiment;

[0033] Figure 2 This is a schematic diagram of an axonometric view of the discharger described in this practical embodiment;

[0034] Figure 3 This is a schematic diagram of an exploded view of the discharger described in this practical embodiment;

[0035] Figure 4 It is a schematic diagram of a front view of the cyclone separation device described in this practical embodiment;

[0036] Figure 5 It is a schematic diagram of a front cross-sectional view of the dust removal and unloading equipment described in this practical embodiment;

[0037] Figure 6 It is a schematic diagram of a partial cross-sectional view of the dust removal and unloading equipment described in this practical embodiment;

[0038] Figure 7 This is a schematic diagram of the multi-unit dust removal and unloading equipment described in this practical embodiment.

[0039] Description of reference numerals:

[0040] 1-filter; 101-filter element; 2-discharger; 201-fan-shaped ventilation duct; 202-feeding port; 203-conical barrel; 3-pulser; 301-air pump; 302-air pipe; 303-air nozzle; 304-exhaust port; 4-silo; 5-cyclone separation device; 501-motor; 502-impeller; 503-cover plate; 6-vibration motor; 7-material pipe; 8-exhaust pipe; 9-one-way gravity flap valve. DETAILED DESCRIPTION

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0042] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0043] Embodiment 1:

[0044] like Figure 1As shown, a composite dust removal and unloading equipment has three ports, namely, a feed port 202, an exhaust port 304 and a discharge port. The dust removal and unloading equipment comprises a filter 1, a discharger 2, a silo 4 and a pulser 3. The main body of the dust removal and unloading equipment is composed of a metal frame, and the filter 1, the discharger 2 and the pulser 3 are all mounted on the metal frame. The silo 4 is located below the dust removal and unloading equipment and is connected to the filter 1 and the discharger 2, and is used to receive the waste dust filtered by the filter 1 and the material unloaded by the discharger 2, respectively. The discharger 2 is provided with a feed port 202 and is connected to the filter 1. A cyclone separation device 5 is installed above the discharger 2. The material enters the discharger 2 from the feed port 202. The cyclone separation device 5 is used to separate heavy materials, dust-containing gas and light materials, and push the dust-containing gas and light materials to the filter 1 for filtering and separation. The pulser 3 is provided with an exhaust port 304 communicating with the outside. The pulser 3 is connected with the filter 1 to spray high-pressure gas into the chamber of the filter 1 and discharge the cleaned gas from the filter 1 through the exhaust port 304 .

[0045] Specific as Figure 2-Figure 4 As shown, the lower end of the discharger 2 is a cone barrel 203 for accumulating and discharging materials. The cyclone separation device 5 includes a motor 501, an impeller 502, and a cover plate 503. The motor 501 is fixed on the cover plate 503. The output shaft of the motor 501 passes through the cover plate 503 and is fixedly connected to the impeller 502. The cover plate 503 is located above the discharger 2 and is sealed with the chamber of the discharger 2. The discharger 2 is provided with a fan-shaped ventilation duct 201, as shown in FIG. Figure 5-Figure 6 The fan-shaped ventilation duct 201 shown passes through the chamber of the pulser 3 , and its air outlet is located inside the filter 1 , and the fan-shaped ventilation duct 201 is sealedly connected to the chamber of the pulser 3 .

[0046] Specific as Figure 5 As shown, the pulser 3 includes an air pump 301, an air pipe 302, and a plurality of air nozzles 303. The air pump 301 is mounted on a metal frame, the air pipe 302 is connected to the air pump 301, and the plurality of air nozzles 303 are fixedly connected to the air pipe 302. The air pump 301 is externally connected to a high-pressure air source. The air pipe 302 extends into the interior of the pulser 3 chamber, and the plurality of air nozzles 303 use the air pump 301 to eject gas in a pulsed manner, wherein the pulse frequency is preferably 100-500 milliseconds per time, and the air pressure is preferably 0.3Mpa.

[0047] The chamber of the filter 1 is provided with a plurality of filter elements 101, and the plurality of filter elements 101 are arranged symmetrically. One end of the filter element 101 extends into the chamber of the pulser 3, and the filter element 101 is sealed and connected to the chamber of the pulser 3. The lower end of the filter 1 is a conical barrel, which is used to accumulate and discharge particles, waste dust, etc. A plurality of air nozzles 303 correspond one-to-one to a plurality of filter elements 101, and are used to receive high-pressure gas. The connection between the filter 1 and the discharger 2 is a fan-shaped ventilation duct 201, which is located in the middle part of the plurality of filter elements 101, so that the filter element 101 above the fan-shaped ventilation duct 201 is mainly used to absorb dust, and the filter element 101 below mainly absorbs particles falling due to gravity.

[0048] Example 2: Same settings as Example 1.

[0049] like Figure 5 The dust removal and unloading equipment shown also includes a vibration motor 6501. Two vibration motors 6501 are respectively installed at the connection between the filter 1 and the silo 4 and at the connection between the discharger 2 and the silo 4. They are used to vibrate the materials accumulated in the chamber of the discharger 2 and the waste dust filtered in the chamber of the filter 1 so that they fall into the silo 4 efficiently.

[0050] Example 3: Same settings as Example 1.

[0051] A dust removal and unloading process, based on the composite dust removal and unloading equipment, uses the unloader 2 to unload and preliminarily screen the dust-containing gas, uses the filter 1 to filter the dust-containing gas, uses the high-pressure gas ejected by the pulser 3 to strip the waste dust in the filter element 101, and discharges the filtered gas through the pulser 3 at the same time, so as to achieve a three-stage cleaning and dust removal effect. Specifically, the dust removal and unloading process includes:

[0052] T1, cyclone separation: the material enters the chamber of the discharger 2 from the feed port 202 and falls to the silo 4 by gravity. At the same time, the cyclone separation device 5 uses the cyclone field to perform primary separation, and sends the light particles and waste dust into the chamber of the filter 1;

[0053] T2, dust separation: There is a dust effect just after entering the chamber of filter 1. Some light particles in the chamber of filter 1 fall into the silo 4 by gravity, achieving secondary separation;

[0054] T3, pulse separation: the filter element 101 absorbs part of the waste dust and light particles to achieve three-level separation, and at the same time the pulser 3 pulses high-pressure gas to the filter element 101, so that the waste dust and light particles absorbed by the filter element 101 fall into the silo 4;

[0055] T4. Exhaust gas: With the continuous pushing action of the cyclone separation device 5 , the gas filtered by the filter 1 enters the chamber of the pulser 3 from one end of the filter element 101 , and then is discharged from the exhaust port 304 .

[0056] Embodiment 4: Improvement made on the basis of embodiment 3.

[0057] like Figure 7 As shown, multiple dust removal and unloading equipment are connected in parallel to the material pipe 7 and the exhaust pipe 8302, which are used to unload and remove dust from the materials in parallel, thereby improving the dust removal efficiency and the unloading efficiency. Figure 6 As shown, a one-way gravity flap valve 9 is provided at the place where the filter 1 and the discharger 2 are connected. The cut-off direction of the one-way gravity flap valve 9 is from the filter 1 to the discharger 2, which is used to prevent the running dust removal and unloading equipment from causing a coupling effect on the non-running dust removal and unloading equipment, and prevent the dust-containing gas from flowing back from the filter 1 into the discharger 2 and individual dust removal and unloading equipment from being sucked empty.

[0058] Optionally, in T3 pulse separation, each time the pulser 3 sprays high-pressure gas, at most two of the gas nozzles 303 are opened and connected, and the remaining gas nozzles 303 are in a closed state, so that the filter element 101 corresponding to the open gas nozzle 303 receives the high-pressure gas, and the filter element 101 corresponding to the closed gas nozzle 303 discharges the filtered gas, thereby keeping the air pressure in the chamber of the filter 1 stable.

[0059] Optionally, the material pipe 7 is equipped with a one-way explosion-proof valve and a pipeline spark detector, the filter 1 chamber and the pulser 3 chamber are equipped with explosion-proof plates, the discharger 2 chamber is equipped with a cleaning port, and the filter element 101 can be customized into a carbon fiber filter element 101 or other types according to the usage scenario.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0061] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite dust removal and discharging equipment, characterized in that: It includes a filter, a discharger, a silo, and a pulser. The dust removal and discharge equipment is composed of a metal frame, and the filter, the discharger, and the pulser are all installed on the metal frame; The silo is located below the dust removal and unloading equipment and is connected to the filter and the unloader, which are used to receive waste dust and materials respectively; The discharger is provided with a feed port, and the discharger is connected with the filter. A cyclone separation device is installed above the discharger to separate heavy materials, light materials, and dusty gas, and push the dusty gas and light materials to the filter for filtration and separation; The pulser is provided with an exhaust port connected to the outside, and the pulser is connected to the filter for spraying high-pressure gas into the filter chamber, and the gas cleaned by the filter is discharged from the exhaust port.

2. The composite dust removal and discharging equipment according to claim 1 is characterized in that: The cyclone separation device comprises a motor, an impeller and a cover plate. The motor is fixed on the cover plate. The motor output shaft passes through the cover plate and is fixedly connected to the impeller. The cover plate is located above the discharger and is sealed to the discharger chamber.

3. A composite dust removal and discharging equipment according to claim 2, characterized in that: The discharger is provided with a fan-shaped ventilation duct which passes through the pulser chamber, an air outlet of which is located inside the filter, and the fan-shaped ventilation duct is sealed and connected with the pulser chamber.

4. The composite dust removal and discharging equipment according to claim 1 is characterized in that: It also includes a vibration motor, which is installed at the connection between the filter and the silo and at the connection between the discharger and the silo, and is used to vibrate the material accumulated in the discharger chamber and the waste dust filtered in the filter chamber.

5. The composite dust removal and discharging equipment according to claim 1 is characterized in that: The pulser includes an air pump, an air pipe, and a plurality of air nozzles. The air pump is installed on a metal frame. The air pipe is connected to the air pump. The plurality of air nozzles are fixedly connected to the air pipe. The air pump is externally connected to a high-pressure air source. The air pipe extends into the pulser chamber, and a plurality of air nozzles use an air pump to eject gas in a pulsed manner.

6. The composite dust removal and discharging equipment according to claim 5 is characterized in that: The filter chamber is provided with a plurality of filter elements, which are symmetrically arranged, one end of the filter element extends into the pulser chamber, and the filter element is sealed and connected to the pulser chamber; The place where the filter and the discharger are connected is located in the middle part of the filter elements; The plurality of gas nozzles correspond to the plurality of filter elements one by one and are used for receiving high-pressure gas.

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