Powder storing and feeding system of dust removal system and powder feeding method

Abstract

The invention provides a powder storing and feeding system and a powder feeding method of a dust removal system, and the powder feeding system comprises a rack, a powder hopper, a helical ribbon stirrer, a weighing module, a dust removal purifier and a dust removal main fan; the helical ribbon type stirrer is mounted on the rack, and helical ribbon type blades of the helical ribbon type stirrer extend into the powder hopper and are used for crushing caked powder; a discharge port of the powder hopper is provided with a discharge valve used for controlling discharge of the powder hopper, and the weighing module is arranged under the discharge valve and used for receiving and weighing powder with preset weight; the weighing module comprises an electronic weighing device and a material storage container, and the electronic weighing device is in communication connection with the discharging valve; the dust removal main fan is arranged at an air inlet of the dust removal purifier and is communicated with one end of an air inlet channel in the dust removal purifier, and the other end of the air inlet channel is communicated with the material storage container, so that powder with preset weight in the material storage container is pumped into the dust removal purifier to be purified under the negative pressure action of the dust removal main fan; according to the powder feeding device, accurate powder feeding of powder easy to absorb moisture can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of dust control, and in particular to a powder storage and feeding system and a powder feeding method of a dust removal system. Background Art

[0002] In the process of dust control, there are often a lot of oily dust or flammable dust and other hygroscopic powders, and it is often necessary to spray powder on the dust collector before dust control.

[0003] Ordinary powder storage and feeding devices are equipped with ash hoppers, discharge valves, fans, etc., but they cannot achieve the purpose of accurate powder feeding when conveying the above-mentioned moisture-absorbing powder.

[0004] Therefore, there is an urgent need for a powder storage and feeding system and a powder feeding method for a dust removal system, which can achieve accurate powder feeding of moisture-absorbing powder. Summary of the invention

[0005] The purpose of the present invention is to provide a powder storage and feeding system and a powder feeding method for a dust removal system, aiming to solve the technical problem that traditional powder storage and feeding devices cannot transport moisture-absorbing powder and cannot achieve accurate powder feeding.

[0006] To achieve the above-mentioned object, in a first aspect, the present invention provides a powder storage and feeding system of a dust removal system, comprising a frame, a powder hopper arranged on the frame, a ribbon agitator, a weighing module, a dust removal purifier and a dust removal main fan;

[0007] The spiral ribbon agitator is installed on the frame, and its spiral ribbon blades extend into the powder hopper to crush the damp and agglomerated powder;

[0008] The discharge port of the powder hopper is provided with a discharge valve for controlling the discharge of the powder hopper, and the weighing module is arranged directly below the discharge valve for receiving and weighing the powder of a preset weight;

[0009] The weighing module includes an electronic weighing device and a material storage container arranged on the electronic weighing device, and the electronic weighing device is communicatively connected with the discharge valve;

[0010] The main dust removal fan is arranged at the air inlet of the dust removal purifier and is connected to one end of the air inlet channel in the dust removal purifier. The other end of the air inlet channel is connected to the storage container, so that the powder of a preset weight in the storage container can be pumped into the dust removal purifier for sedimentation and purification under the negative pressure of the main dust removal fan.

[0011] As a further improvement of the above solution, the discharge port of the discharge valve is also connected to a discharge pipe, and the discharge port of the discharge pipe is communicated with the feed port of the storage container.

[0012] As a further improvement of the above solution, a powder outlet is further provided on the side of the storage container, and the powder outlet is connected with the other end of the air inlet channel through a powder delivery pipeline and a powder delivery valve.

[0013] As a further improvement of the above solution, the rack includes a support column and a mounting frame arranged on the top of the support column;

[0014] The powder hopper is arranged on the mounting frame, and its discharge port arranged in a funnel shape extends into the supporting space formed by the supporting columns.

[0015] As a further improvement of the above scheme, the top of the powder hopper is arranged in an open shape, and a cover plate is arranged on the top of the open shape, and a feeding door is arranged on the cover plate which can be opened and closed;

[0016] The motor-reducer of the ribbon agitator is arranged on the cover plate.

[0017] In a second aspect, the present invention further provides a powder feeding method of the powder storage and feeding system of the dust removal system provided in the first aspect, the steps comprising:

[0018] S1: Add the powder that is easy to absorb moisture and form lumps into the powder hopper, and start the ribbon agitator to break up the lumps of powder;

[0019] S2: Start the discharge valve, the crushed powder falls into the storage container, and the weighing module measures the powder in the storage container until it reaches a preset weight. The electronic weighing device sends a closing signal to the discharge valve, and the discharge valve stops discharging;

[0020] S3: Open the powder delivery valve, and the powder of a preset weight in the storage container is pumped into the dust purifier through the powder delivery valve under the negative pressure of the dust removal main fan.

[0021] As a further improvement of the above scheme, before step S1, step S0 is also included: starting the dust removal purifier and the dust removal main fan.

[0022] As a further improvement of the above scheme, in step S2, before starting the discharge valve, it is necessary to wait for the crushing operation of the screw ribbon agitator to reach a preset time so that the powder in the powder hopper that is easy to absorb moisture and agglomerate can be fully crushed.

[0023] Since the present invention adopts the above technical solution, the beneficial effects of this application are:

[0024] The present invention provides a powder storage and feeding system of a dust removal system, which effectively crushes damp and agglomerated powder by arranging a spiral belt agitator in a distribution hopper, and arranging a discharge valve at the discharge port of the distribution hopper, and arranging a weighing module directly below the discharge valve, and the electronic weighing device is communicatively connected with the discharge valve, so as to control the opening of the discharge valve; then, under the negative pressure of the dust removal main fan, the powder of a preset weight in the storage container is pumped into the dust purifier for purification; such an arrangement, on the one hand, can effectively solve the problem that damp and agglomerated powder is inconvenient to transport, and on the other hand, by arranging the discharge valve and the weighing module, the powder can be accurately transported, and it only needs to set the preset weight of powder to be transported each time in the controller in advance, and the controller controls the electronic weighing device to feedback to the discharge valve to close after reaching the preset weight, and the control logic is simple and easy to operate;

[0025] In addition, the arrangement of the ribbon stirrer, the discharge valve and the weighing module can not only realize the conveying of damp powder, but also handle the conveying of conventional powder and the conveying of powder of different preset weights, so as to realize the conveying of various kinds of powder and meet the different requirements of the dust removal purifier, and has a simple structure, is safe and easy to operate; and the powder conveying method provided by the present invention can effectively solve the problem that the traditional powder storage and powder conveying device cannot convey powder that is easy to absorb moisture, agglomerate and hang on the wall, and can be used in workplaces with high requirements for the powder conveying amount;

[0026] Furthermore, in the present invention, by connecting the storage container with the air inlet channel of the dust collector, with the help of the negative pressure of the dust removal main fan, the preset weight of powder is pumped into the dust collector without the need for an additional fan, thereby making the structural layout of the entire powder storage and feeding system more compact and reducing equipment costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0028] Figure 1 It is a schematic front view of a powder storage and feeding system of a dust removal system disclosed in the present invention;

[0029] Figure 2 A schematic top view of a powder storage and feeding system of a dust removal system disclosed in the present invention;

[0030] Figure 3It is a side view schematic diagram of a powder storage and feeding system of a dust removal system disclosed in the present invention (excluding the dust removal purifier and the dust removal main fan);

[0031] Figure 4 The present invention discloses a powder storage and feeding system of a dust removal system (excluding the dust purifier and the dust removal main fan) in a main view.

[0032] Reference numerals:

[0033] 1. Frame; 11. Support column; 12. Installation frame;

[0034] 2. Powder hopper; 21. Cover plate; 22. Feeding door;

[0035] 3. Ribbon stirrer; 31. Motor-reducer; 4. Weighing module; 41. Electronic weighing device; 42. Storage container;

[0036] 5. Dust removal purifier; 6. Dust removal main fan; 7. Discharge valve; 8. Dropping pipe; 9. Powder delivery pipeline; 10. Powder delivery valve.

[0037] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0039] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, in the present invention, the descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0041] Furthermore, the technical solutions between the various embodiments of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] Embodiment 1:

[0043] See also Figure 1-Figure 4 The present invention provides a powder storage and feeding system of a dust removal system, comprising a frame 1, a powder hopper 2 arranged on the frame 1, a spiral belt agitator 3, a weighing module 4, a dust removal purifier 5 and a dust removal main fan 6;

[0044] The spiral ribbon agitator 3 is installed on the frame 1, and its spiral ribbon blades extend into the powder hopper 2 to crush the damp and agglomerated powder;

[0045] Specifically, in this embodiment, the frame 1 includes a support column 11 and a mounting frame 12 disposed on the top of the support column 11; the powder hopper 2 is disposed on the mounting frame 12, and its discharge port disposed in a funnel shape extends into the support space formed by the support column 11;

[0046] The top of the powder hopper 2 is open, and a cover plate 21 is provided on the top of the opening. A feeding door 22 can be opened and closed on the cover plate 21. The motor-reducer 31 of the ribbon agitator 3 is provided on the cover plate 21.

[0047] The discharge port of the powder hopper 2 is provided with a discharge valve 7 for controlling the discharge thereof, and the weighing module 4 is arranged directly below the discharge valve 7 for receiving and weighing powder of a preset weight;

[0048] The weighing module 4 includes an electronic weighing device 41 and a material storage container 42 disposed on the electronic weighing device 41, and the electronic weighing device 41 is communicatively connected with the discharge valve 7;

[0049] The dust removal main fan 6 is arranged at the air inlet of the dust removal purifier 5 and is connected to one end of the air inlet channel in the dust removal purifier 5, and the other end of the air inlet channel is connected to the storage container 42, so that the powder of a preset weight in the storage container 42 is pumped into the dust removal purifier 5 for sedimentation and purification under the negative pressure of the dust removal main fan 6;

[0050] The present invention effectively crushes the damp and agglomerated powder by arranging a spiral belt agitator 3 in the distribution hopper, and arranges a discharge valve 7 at the discharge port of the distribution hopper, and arranges a weighing module 4 directly below the discharge valve 7, and the electronic weighing device 41 is communicated with the discharge valve 7 to control the opening of the discharge valve 7; then, under the negative pressure of the dust removal main fan 6, the powder of a preset weight in the storage container 42 is pumped into the dust purifier for purification; such an arrangement, on the one hand, can effectively solve the problem that the damp and agglomerated powder is inconvenient to transport, and on the other hand, by arranging the discharge valve 7 and the weighing module 4, the powder can be accurately transported. It is only necessary to set the preset weight of the powder to be transported each time in the controller in advance, and the controller controls the electronic weighing device 41 to feedback to the discharge valve 7 to close after reaching the preset weight, and the control logic is simple and easy to operate;

[0051] In addition, the arrangement of the ribbon stirrer 3, the discharge valve 7 and the weighing module 4 can not only realize the conveying of damp powder, but also handle the conveying of conventional powder and powder of different preset weights, so as to realize the conveying of various types of powder, meet the different requirements of the dust collector 5, and have a simple structure, safe and easy to operate; and the powder delivery system provided by the present invention can effectively solve the problem that the traditional powder storage and powder delivery device cannot convey powder that is easy to absorb moisture, agglomerate and hang on the wall, and can be used in workplaces with high requirements for the powder delivery amount;

[0052] Furthermore, in the present invention, by connecting the storage container 42 with the air inlet channel of the dust collector 5, with the help of the negative pressure of the dust removal main fan 6, the preset weight of powder is pumped into the dust collector 5 without the need for an additional fan, thereby making the structural layout of the entire powder storage and powder feeding system more compact and reducing equipment costs.

[0053] As a preferred embodiment, the discharge port of the discharge valve 7 is also connected to a discharge pipe 8, and the discharge port of the discharge pipe 8 is connected to the feed port of the storage container 42;

[0054] Specifically, the storage container 42 includes a container body, a feed port disposed on the top of the container body, and the feed port is sealed and connected to the discharge port of the drop pipe 8, so that the powder dropped from the discharge valve 7 can fully and effectively enter the container body under the protection of the drop pipe 8;

[0055] A powder outlet is also provided on the side of the container body, and the powder outlet is connected with the other end of the air inlet channel through a powder delivery pipeline 9 and a powder delivery valve 10.

[0056] Embodiment 2:

[0057] The present invention further provides a powder feeding method of the powder storage and feeding system of the dust removal system provided in the first aspect, the steps of which include:

[0058] S1: Add the powder that is easy to absorb moisture and form lumps into the powder hopper 2, and start the ribbon agitator 3 to break up the lumps of powder;

[0059] S2: Start the discharge valve 7, and the crushed powder falls into the storage container 42. At the same time, the weighing module 4 measures the powder in the storage container 42 until it reaches a preset weight. The electronic weighing device 41 sends a closing signal to the discharge valve 7, and the discharge valve 7 stops feeding. Specifically, before starting the discharge valve 7, it is necessary to wait for the crushing operation of the ribbon agitator 3 to reach a preset time, so that the powder in the powder hopper 2 that is easy to absorb moisture and agglomerate can be fully crushed. The specific preset time can be set according to the type of powder, and the preset time for each powder can be obtained through experimental testing.

[0060] S3: Open the powder delivery valve 10, and the powder of a preset weight in the storage container 42 is pumped into the dust collector 5 through the powder delivery valve 10 under the negative pressure of the dust removal main fan 6;

[0061] The powder feeding method provided by the present invention can effectively solve the problem that the traditional powder storage and feeding device cannot transport powder that is easy to absorb moisture, form lumps and stick to the wall by breaking up the lumped powder with a belt agitator. Combined with the settings of the discharge valve 7 and the weighing module 4, the transported powder can be accurately measured, so that the powder feeding method provided by the present invention can be used in workplaces with high requirements on the powder transportation volume.

[0062] As a preferred embodiment, before step S1, the method further includes step S0: starting the dust removal purifier 5 and the dust removal main fan 6.

[0063] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention's specification and drawings, or directly / indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A powder storage and feeding system for a dust removal system, characterized in that: It includes a frame, a powder hopper arranged on the frame, a spiral belt stirrer, a weighing module, a dust removal purifier and a dust removal main fan; The spiral ribbon agitator is installed on the frame, and its spiral ribbon blades extend into the powder hopper to crush the damp and agglomerated powder; The discharge port of the powder hopper is provided with a discharge valve for controlling the discharge of the powder hopper, and the weighing module is arranged directly below the discharge valve for receiving and weighing the powder of a preset weight; The weighing module includes an electronic weighing device and a material storage container arranged on the electronic weighing device, and the electronic weighing device is communicatively connected with the discharge valve; The main dust removal fan is arranged at the air inlet of the dust removal purifier and is connected to one end of the air inlet channel in the dust removal purifier. The other end of the air inlet channel is connected to the storage container, so that the powder of a preset weight in the storage container can be pumped into the dust removal purifier for sedimentation and purification under the negative pressure of the main dust removal fan.

2. The powder storage and feeding system of the dust removal system according to claim 1 is characterized in that: The discharge port of the discharge valve is also connected to a discharge pipe, and the discharge port of the discharge pipe is communicated with the feed port of the storage container.

3. The powder storage and feeding system of the dust removal system according to claim 1 or 2, characterized in that: A powder outlet is also provided on the side of the storage container, and the powder outlet is communicated with the other end of the air inlet channel through a powder delivery pipeline and a powder delivery valve.

4. The powder storage and feeding system of the dust removal system according to claim 1 or 2, characterized in that: The frame includes a support column and a mounting frame arranged on the top of the support column; The powder hopper is arranged on the mounting frame, and its discharge port arranged in a funnel shape extends into the supporting space formed by the supporting columns.

5. The powder storage and feeding system of the dust removal system according to claim 1 or 2, characterized in that: The top of the powder hopper is arranged in an open shape, and a cover plate is arranged on the top of the open shape, and a feeding door is arranged on the cover plate which can be opened and closed; The motor-reducer of the ribbon agitator is arranged on the cover plate.

6. A powder feeding method of a powder storage and feeding system of a dust removal system according to any one of claims 1 to 5, characterized in that: The steps include: S1: Add the powder that is easy to absorb moisture and form lumps into the powder hopper, and start the ribbon agitator to break up the lumps of powder; S2: Start the discharge valve, the crushed powder falls into the storage container, and the weighing module measures the powder in the storage container until it reaches a preset weight. The electronic weighing device sends a closing signal to the discharge valve, and the discharge valve stops discharging; S3: Open the powder delivery valve, and the powder of a preset weight in the storage container is pumped into the dust purifier through the powder delivery valve under the negative pressure of the dust removal main fan.

7. The powder feeding method according to claim 6, characterized in that: Before step S1, the method further includes step S0: starting the dust removal purifier and the dust removal main fan.

8. The powder feeding method according to claim 6 or 7, characterized in that: In step S2, before starting the discharge valve, it is necessary to wait for the ribbon agitator to run for a preset time so that the powder in the powder hopper that is prone to moisture absorption and agglomeration can be fully crushed.

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