Air-locking feeding device, air-locking feeding method and air-locking feeding system

Abstract

The invention discloses an air-locking feeding device, an air-locking feeding method and an air-locking feeding system.According to the air-locking feeding device, air distributors are evenly arranged at the bottoms in any feeding cavity and any discharging cavity in a multi-point-position mode, and an adjusting valve is independently arranged on an air supply branch pipe connected with each air distributor; therefore, the fluidization state of the materials in each material cavity can be adjusted and controlled by automatically adjusting and controlling the opening degree of each adjusting valve, accurate material distribution according to the proportion can be achieved, and the air locking effect is reliable. Wherein each air distributor is provided with an independent adjusting valve, accurate regulation and control of the air supply flow in the material cavity can be achieved, the adjusting fineness and precision are high, the air locking performance is good, the situation that the interior of the material cavity reaches a fluidization critical state, consequently, locked air is broken down can be avoided, and it can be guaranteed that the air locking feeding device operates efficiently, stably, safely and reliably. The whole device is simple in structure and good in integration, and has the advantages of low equipment investment, high automation degree and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of material conveying, and in particular to an air-locking feeding device, an air-locking feeding method and an air-locking feeding system capable of realizing accurate material distribution in proportion and having a reliable air-locking effect. Background Art

[0002] In industrial production, it is often involved in proportional feeding and gas locking between different systems. For example: (i) In the magnetization roasting industry of refractory iron ore, the gas composition between the heating furnace and the reduction furnace is different. The gas composition in the heating furnace is oxygen-containing flue gas, and the gas composition in the reduction furnace contains a reducing atmosphere of combustible gases such as carbon monoxide and hydrogen. The high-temperature iron ore powder in the heating furnace needs to be separately sent to multiple reduction furnaces for reduction. It needs to be adjusted according to the different amounts of high-temperature iron powder required by each reduction furnace. At the same time, it is also necessary to prevent the gas between the heating furnace and the reduction furnace from communicating with each other; (ii) In the shale oil industry, part of the shale ash in the retort is discharged to the cooler, and part is returned to the main furnace. During roasting, the atmosphere in the retort is flammable gas, the atmosphere in the cooler is air, and the atmosphere in the main furnace is oxygen-containing flue gas. The shale ash transportation process must ensure that the three systems are isolated from each other, and it should also be ensured that the shale ash in the retort is distributed to the cooler and the main furnace according to a preset ratio; (iii) In the lignite upgrading industry, part of the semi-coke ash in the retort is discharged to the cooler, and part is returned to the main furnace for roasting. The atmosphere in the retort is flammable gas, the atmosphere in the cooler is air, and the atmosphere in the main furnace is oxygen-containing flue gas. During the transport of the semi-coke ash, the three systems are isolated from each other, and it should also be ensured that the semi-coke ash in the retort is distributed to the cooler and the main furnace according to a preset ratio. Therefore, a proportional feeding and air locking device came into being. Its main function is to provide materials to the downstream equipment in proportion, and at the same time to achieve air locking during the material supply process to prevent the gases from being mutually connected between the upstream and downstream equipment of the material transportation.

[0003] Some material proportional feeding and air locking devices known to the inventor have poor adjustment accuracy and low reliability. Once the fluidizing gas introduced causes the material to reach the critical state of fluidization, the same amount of powder fed into the feed port will be discharged from the discharge port. The air lock is easily broken, making proportional adjustment difficult to achieve. Summary of the invention

[0004] The object of the present invention is to provide an air-locking feeding device, an air-locking feeding method and an air-locking feeding system, which can realize accurate material distribution in proportion and have reliable air-locking effect, so as to solve the problems existing in the above-mentioned prior art.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] The present invention provides an air-locking feeding device, comprising:

[0007] A material distribution mechanism, comprising a plurality of mutually spaced material chambers, wherein a partition is provided in any of the material chambers, and the top of the partition is connected to the material chamber, and the bottom is spaced from the material chamber, so as to divide the material chamber into a feed chamber and a discharge chamber which are only connected at the bottom, wherein a feed hole is provided at the top of any of the feed chambers, and the feed hole is used to be connected to an upstream feeding device, and a discharge pipe with an outlet inclined downward is provided on the top side wall of any of the discharge chambers, and the discharge pipe is used to be connected to a downstream receiving device;

[0008] An air distribution mechanism, comprising a plurality of air distribution devices, wherein the air distribution mechanism is disposed at the bottom of any one of the feed chambers and any one of the discharge chambers, and the air distribution devices of the air distribution mechanism are evenly distributed at multiple points in each chamber;

[0009] The air regulating mechanism includes an air supply pipe, an air supply branch pipe and a regulating valve. Any one of the air distribution devices is connected to the air supply pipe through an air supply branch pipe, and any one of the air supply branch pipes is provided with the regulating valve. The air supply pipe is used to connect to an external air source to transport gas to the air distribution mechanism, and the regulating valve is used to control the opening and on-off of the corresponding air supply branch pipe.

[0010] In some embodiments, the material dividing mechanism includes a shell, and at least one material dividing plate is disposed in the shell to separate and form a plurality of mutually spaced material cavities in the shell.

[0011] In some embodiments, a material separator plate is disposed in the shell to separate the shell into a symmetrically arranged material chamber 1 and a symmetrically arranged material chamber 2.

[0012] In some embodiments, the air distributors in any one of the feed chambers and any one of the discharge chambers are uniformly distributed in a circular array or a rectangular array.

[0013] In some embodiments, the air distributors in any one of the feed chambers and any one of the discharge chambers are uniformly distributed in the rectangular array, and in any one of the rectangular arrays:

[0014] Each row of the air distributors is respectively connected to one of the air supply pipes, and the air supply pipes are arranged in a one-to-one correspondence with the rows of the rectangular array;

[0015] Alternatively, each vertical column of the air distributors is respectively connected to one of the air supply pipes, and the air supply pipes are arranged in a one-to-one correspondence with the vertical columns of the rectangular array.

[0016] In some embodiments, the air-locking feeding device further includes a feeding mechanism, and the feeding hole of any one of the feeding chambers is connected to the feeding mechanism, and the feeding mechanism is used to externally connect the upstream feeding equipment and divert the material to each of the feeding chambers.

[0017] In some embodiments, the feeding mechanism is a multi-way pipe or a multi-way valve.

[0018] The present invention provides an air-locking feeding method, which is implemented by using any of the air-locking feeding devices described above, comprising:

[0019] Deliver materials to each of the feed chambers, and adjust the regulating valves corresponding to some or all of the air distributors in each of the feed chambers, so as to control the fluidization state of the materials in each of the feed chambers by adjusting the air flow rate and air outlet area of ​​the air distributor mechanism, and use the fluidization state of the materials in the feed chambers to adjust the material inflow amount of each of the feed chambers;

[0020] Regulating the regulating valves corresponding to some or all of the air distributors in each of the discharge chambers, so as to control the fluidization state of the material in each of the discharge chambers by regulating the air flow rate and air outlet area of ​​the air distributor mechanism, and utilizing the fluidization state of the material in the discharge chamber to regulate the material outflow of each of the discharge chambers;

[0021] According to the operating parameters of the downstream material receiving equipment connected to each of the discharge pipes, the regulating valves corresponding to some or all of the air distributors in each of the material chambers are regulated to control the fluidization state of the material in each of the material chambers by adjusting the air flow rate and air outlet area of ​​the air distributor mechanism in each of the material chambers until the material outflow from each of the discharge pipes reaches a set ratio; wherein the operating parameters include the temperature, oxygen content and pressure of the downstream material receiving equipment.

[0022] The present invention proposes an air-locking feeding system, comprising an upstream material receiving device, a downstream material receiving device and an air-locking feeding device as described in any one of the above, wherein the upstream material receiving device is connected to the feed hole of any one of the feed chambers, and any one of the discharge pipes of the air-locking feeding device is connected to a downstream material receiving device.

[0023] In some embodiments, the air-locked feeding system is a refractory iron ore magnetization roasting system, wherein the upstream material receiving device is a heating furnace, and the downstream material receiving device is a reactor;

[0024] Alternatively, the air-locking feeding system is a shale oil production system, wherein the upstream material receiving device is a retort, and the downstream material receiving device includes a main furnace and a cooler;

[0025] Alternatively, the air-locked feeding system is a lignite upgrading system, wherein the upstream material receiving equipment is a dry distillation device, and the downstream material receiving equipment includes a main furnace and a cooler.

[0026] Compared with the prior art, the present invention has achieved the following technical effects:

[0027] The air-locking feeding device proposed in the present invention has a reasonable structural design. By evenly arranging air distributors at multiple points in the bottom of any feed chamber and any discharge chamber, and independently setting regulating valves on the air supply branch pipes connected to each air distributor, the fluidization state of the material in each material chamber can be regulated by automatically adjusting the opening of each regulating valve, and the material can be accurately divided in proportion and the air-locking effect is reliable. Among them, each air distributor is equipped with an independent regulating valve, which can realize the precise regulation of the air supply flow in the material chamber, with high regulation fineness and accuracy, good air-locking performance, and can avoid the material chamber from reaching the fluidization critical state, resulting in the breakdown of the air lock, and can ensure the efficient, stable, safe and reliable operation of the air-locking feeding device. The present invention is suitable for the fields of magnetic roasting of refractory iron ore, shale oil production, lignite quality improvement, etc., and is used to isolate the gas between the two systems and adjust the material distribution in proportion.

[0028] In addition, the entire device has a simple structure, good integration, and the advantage of low equipment investment. At the same time, the regulating valve has automatic adjustment, which can improve the automation and intelligence level of the device; and the equipment operates automatically, which improves reliability.

[0029] The air-locking feeding method proposed in the present invention is implemented by the above-mentioned air-locking feeding device, which can realize precise control of the air supply flow rate in the material cavity, has high adjustment fineness and accuracy, good air-locking performance, and can realize proportional adjustment of powder materials. It is suitable for industrial fields such as magnetic roasting of difficult-to-select iron ore, shale oil production, and lignite quality improvement.

[0030] The air-locking feeding system proposed in the present invention includes the above-mentioned air-locking feeding device and has all the characteristics of the above-mentioned air-locking feeding device, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] 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 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 these drawings without paying creative work.

[0032] Figure 1 It is a schematic diagram of the overall structure of the air-locking feeding device disclosed in an embodiment of the present invention;

[0033] Figure 2 This is a schematic diagram of the longitudinal arrangement of the regulating valves disclosed in an embodiment of the present invention.

[0034] In the figure, the reference numerals are:

[0035] 100. Air-locking feeding device;

[0036] 1. Shell;

[0037] 2. Spacer plate;

[0038] 3. Material chamber 1; 31. Feed chamber 1; 32. Discharge chamber 1; 33. Discharge pipe 1; 34. Partition 1;

[0039] 4. Material chamber 2; 41. Feed chamber 2; 42. Discharge chamber 2; 43. Discharge pipe 2; 44. Partition 2;

[0040] 5. Air distribution device;

[0041] 6. Air supply duct;

[0042] 7. Air supply branch pipe;

[0043] 8. Regulating valve

[0044] 9. Feeding mechanism. DETAILED DESCRIPTION

[0045] 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.

[0046] One of the purposes of the present invention is to provide an air-locking feeding device which can achieve accurate material distribution in proportion and has a reliable air-locking effect, so as to solve the problems existing in the prior art.

[0047] Another object of the present invention is to provide an air-locking feeding method implemented based on the above-mentioned air-locking feeding device, which can achieve accurate material distribution in proportion and reliable air-locking effect, so as to solve the problems existing in the prior art.

[0048] Another object of the present invention is to provide an air-locking feeding system, which includes the above-mentioned air-locking feeding device, which can achieve accurate material distribution in proportion and has a reliable air-locking effect.

[0049] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0050] Example 1

[0051] like Figure 1As shown, the present embodiment provides an air-locking feeding device 100, which includes a material dividing mechanism, an air distributing mechanism and an air regulating mechanism. The material dividing mechanism includes a plurality of mutually spaced material chambers, and a partition is provided in any material chamber, and the top of the partition is connected to the top of the material chamber, and the bottom of the partition is spaced from the material chamber, so as to divide the material chamber into a feeding chamber and a discharging chamber which are only connected at the bottom, and a feeding hole is provided at the top of any feeding chamber, and the feeding hole is used to connect to an upstream feeding device, and a discharging pipe with an outlet inclined downward is provided outside the top side wall of any discharging chamber, and the discharging pipe is used to connect to a downstream material receiving device; the air distributing mechanism includes a plurality of air distributors 5, and an air distributing mechanism is provided at the bottom of any feeding chamber and any discharging chamber, and the air distributor 5 of the air distributing mechanism is arranged in each chamber (i.e., any feeding chamber and any discharging chamber) The multiple points are evenly distributed. In order to improve the air distribution effect, it is preferred that the bottom surface of any feed chamber and any discharge chamber is fully covered with air distributors 5; the air adjustment mechanism includes an air supply pipe 6, an air supply branch pipe 7 and an adjusting valve 8. The air outlet of any air distributor 5 faces the top of the corresponding chamber, and the air inlet of any air distributor 5 faces the bottom of the corresponding chamber, and the air inlet of any air distributor 5 is connected to the air supply pipe 6 through an air supply branch pipe 7, and an adjusting valve 8 is provided on any air supply branch pipe 7. The air supply pipe 6 is located outside the material chamber and below the material chamber. The air supply pipe 6 is used for external air source to deliver gas with a certain pressure to each air distribution mechanism. The adjusting valve 8 is used to control the opening and on-off of the corresponding air supply branch pipe 7, and then adjust the air outlet flow rate of the air distributor 5 (including the case where the flow rate is zero, that is, the adjusting valve 8 is completely closed). The above-mentioned air-locking feeding device 100 is mostly used for feeding powder materials. When in use. By adjusting each regulating valve 8, the air supply volume at the bottom of each material cavity is adjusted, and then the fluidization state of the material around each air distributor 5 is adjusted, and the stacking angle and friction of the powder material are used to achieve accurate control of the outflow of the material. The above-mentioned air lock feeding device 100 can be used in conjunction with a control system, and the control system controls the opening of each regulating valve 8; or, each regulating valve 8 uses an automatic control valve, which can realize self-control of valve opening and closing and valve opening.

[0052] In some embodiments, each material chamber of the above-mentioned material distribution mechanism can be independently arranged, or can be integrated in the same device. In order to improve the integration of the equipment, it is preferred that each material chamber of the material distribution mechanism is integrated in the same device, specifically: Figure 1 As shown, the material dividing mechanism comprises a shell 1, in which at least one material dividing plate 2 is arranged, and a plurality of mutually spaced material cavities are formed by dividing the shell 1 through the material dividing plate 2.

[0053] In some embodiments, the air-locking feeding device 100 may be provided with two, three or more material chambers according to the processing and production requirements, so as to realize discharging the solid materials of the upstream material receiving equipment into two, three or more paths to the corresponding downstream material receiving equipment. Among them, it is most common to provide the air-locking feeding device 100 with two material chambers, mainly to divert the solid materials of the upstream material receiving equipment into two groups of downstream material receiving equipment according to a specific ratio, wherein the specific ratio may be an equal ratio (i.e., the amount of materials discharged into the two groups of downstream material receiving equipment is the same) or a non-equal ratio. The following takes the provision of two material chambers in the air-locking feeding device 100 as an example for specific description:

[0054] like Figure 1 As shown, a material partition plate 2 is vertically arranged in the shell 1 to separate the material chamber 1 3 and the material chamber 2 4 which are arranged symmetrically on the left and right in the shell 1. The contour shape, internal layout, internal structure and internal volume of the material chamber 1 3 and the material chamber 2 4 are exactly the same. In order to facilitate understanding and distinction, the feed chamber, discharge chamber, discharge pipe and partition of the material chamber 1 3 are defined as the feed chamber 1 31, the discharge chamber 1 32, the discharge pipe 1 33 and the partition 1 34 respectively, and the feed chamber, discharge chamber, discharge pipe and partition of the material chamber 2 4 are defined as the feed chamber 2 41, the discharge chamber 2 42, the discharge pipe 2 43 and the partition 2 44 respectively.

[0055] In some embodiments, in the entire housing 1, the air distributors 5 in the feed chamber 1 3, the discharge chamber 1 32, the feed chamber 2 41 and the discharge chamber 2 42 are uniformly distributed in a circular array or a rectangular array. Considering that the material chamber 1 3 and the material chamber 2 4 are generally rectangular cavities, the feed chamber 1 3, the discharge chamber 1 32, the feed chamber 2 41 and the discharge chamber 2 42 are also correspondingly rectangular cavities, so it is preferred that the air distributors 5 in each chamber are uniformly distributed in a rectangular array to adapt to the shape of the corresponding chamber bottom surface. Among them, for any rectangular array: each horizontal row of air distribution units 5 is respectively connected to a corresponding air supply pipe 6, and the air supply pipes 6 are arranged one-to-one with the horizontal rows of the rectangular array, that is, each air distribution unit 5 in the same horizontal row is arranged along the axial direction of the corresponding air supply pipe 6, and each air distribution unit 5 in the same horizontal row is connected to the same air supply pipe 6 through the corresponding air supply branch pipe 7; or, each vertical row of air distribution units 5 is respectively connected to a corresponding air supply pipe 6, and the air supply pipes 6 are arranged one-to-one with the vertical rows of the rectangular array, that is, each air distribution unit 5 in the same vertical row is arranged along the axial direction of the corresponding air supply pipe 6, and each air distribution unit 5 in the same vertical row is connected to the same air supply pipe 6 through the corresponding air supply branch pipe 7. The aforementioned longitudinal and transverse directions are perpendicular to each other, with Figure 1 Taking viewing angle as an example, the left-right direction can be defined as the horizontal direction, while the direction vertically running through the paper is the vertical direction. Figure 1As shown, each vertical row of air distributors 5 in the rectangular array is respectively connected to an air supply pipe 6. The air supply pipe 6 is preferably a pipe structure with one end open and the other end closed, wherein the open end is used to connect to an air source. The air source generally uses a high-pressure gas, such as high-pressure air or high-pressure inert gas such as nitrogen.

[0056] In some embodiments, the rectangular array may be in the form of n (horizontal row) × m (vertical row), where n and m are both positive integers not less than 6, for example, n × m may be 6 × 6, 8 × 8, 7 × 9, 6 × 8, etc. It may be flexibly adjusted according to the volume of the material cavity.

[0057] In some embodiments, the air-locking feeding device further includes a feeding mechanism 9, and the feeding holes of any feeding chamber (i.e., feeding chamber 1 31 and feeding chamber 2 41) are connected to the feeding mechanism 9, and the feeding mechanism 9 is used to connect to an upstream feeding device and divert the material to each feeding chamber. As a preferred embodiment, the feeding mechanism 9 can be a multi-way pipe or a multi-way valve. Figure 1 As shown, the feeding mechanism 9 adopts a three-way pipe structure, the top of which is connected to the upstream material receiving equipment, and the two outlets at the bottom are respectively connected to the feeding ports of the feeding chamber 1 31 and the feeding chamber 2 41.

[0058] The air-locking feeding method implemented based on the air-locking feeding device 100 comprises the following steps:

[0059] Step 1: The material enters the feed chamber 1 31 and the feed chamber 2 41 in two ways from the feed mechanism 9, and at the same time, the regulating valves 8 corresponding to some or all of the air distributors 5 in each feed chamber are regulated (at least including valve opening and closing and valve opening adjustment) to control the fluidization state of the material in each feed chamber by regulating the air flow rate and air outlet area of ​​the air distributor mechanism, thereby utilizing the fluidization state of the material in the feed chamber to regulate the material inflow into the feed chamber 1 31 and the feed chamber 2 41;

[0060] Step 2: regulating (at least including valve opening and closing and valve opening adjustment) the regulating valves 8 corresponding to some or all of the air distributors 5 in the discharge chamber 1 32 and the discharge chamber 2 42, so as to control the fluidization state of the material in each discharge chamber by regulating the air flow rate and air outlet area of ​​the air distributor mechanism, thereby regulating the material outflow of the discharge chamber 1 32 and the discharge chamber 2 42 by utilizing the fluidization state of the material in the discharge chamber;

[0061] Step three: According to the operating parameters of the downstream material receiving equipment connected to each discharge pipe 1 33 and the discharge pipe 2 43, adjust (at least including valve opening and closing and valve opening adjustment) the regulating valves 8 corresponding to part or all of the air distributors 5 in the entire material chamber 1 3 and the material chamber 2 4, so as to control the fluidization state of the material in each material chamber by adjusting the air flow rate and air outlet area of ​​the air distribution mechanism in each material chamber, until the material outflow from the discharge pipe 1 33 and the discharge pipe 2 43 reaches the set ratio; wherein, the reference operating parameters in the downstream material receiving equipment at least include the temperature, oxygen content and pressure of the downstream material receiving equipment.

[0062] The above-mentioned air-locking feeding device and air-locking feeding method can be applied to the magnetic roasting of refractory iron ore. Specifically: the feeding end of the feeding mechanism 9 is connected to the discharge port of the heating furnace, and the discharge ports of the discharge pipe 1 33 and the discharge pipe 2 43 are respectively connected to the two reactors.

[0063] The above-mentioned air-locking feeding device and air-locking feeding method can also be applied to the shale oil industry. Specifically: the feeding end of the feeding mechanism 9 is connected to the discharge port of the distillation device, and the discharge ports of the discharge pipe 1 33 and the discharge pipe 2 43 are respectively connected to the main furnace and the cooler.

[0064] The above-mentioned air-locking feeding device and air-locking feeding method can also be applied to the lignite upgrading industry. Specifically: the feeding end of the feeding mechanism 9 is connected to the discharge port of the dry distillation device, and the discharge ports of the discharge pipe 1 33 and the discharge pipe 2 43 are respectively connected to the main furnace and the cooler.

[0065] In addition to the above-mentioned working conditions, the air-locking feeding device and air-locking feeding method proposed in this scheme can also be applied to other industrial working conditions that similarly require air locking and adjustment of feeding amount or single air locking and single adjustment of feeding amount.

[0066] Example 2

[0067] The present embodiment proposes an air-locking feeding system, comprising an upstream material receiving device, a downstream material receiving device and an air-locking feeding device 100 of any one of the above items, wherein the upstream material receiving device is connected to the feed hole of any feed chamber, and any discharge pipe of the air-locking feeding device is connected to a downstream material receiving device.

[0068] Example 3

[0069] This embodiment proposes an air-locking feeding system, in which the air-locking feeding device 100 is mainly used to divert the solid materials of the upstream receiving device to two groups of downstream receiving devices according to a specific ratio, that is, the air-locking feeding device 100 is only provided with two material chambers. Based on this, the air-locking feeding system can be a hard-to-select iron ore magnetization roasting system, a shale oil production system or a lignite upgrading system, wherein: in the hard-to-select iron ore magnetization roasting system, the upstream receiving device is a heating furnace, and the downstream receiving device is a reactor; in the shale oil production system, the upstream receiving device is a retort, and the downstream receiving device includes a main furnace and a cooler; in the lignite upgrading system, the upstream receiving device is a retort, and the downstream receiving device includes a main furnace and a cooler.

[0070] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0071] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A wind-locking feeding device, characterized in that: include: A material distribution mechanism, comprising a plurality of mutually spaced material chambers, wherein a partition is provided in any of the material chambers, and the top of the partition is connected to the material chamber, and the bottom is spaced from the material chamber, so as to divide the material chamber into a feed chamber and a discharge chamber which are only connected at the bottom, wherein a feed hole is provided at the top of any of the feed chambers, and the feed hole is used to be connected to an upstream feeding device, and a discharge pipe with an outlet inclined downward is provided on the top side wall of any of the discharge chambers, and the discharge pipe is used to be connected to a downstream receiving device; An air distribution mechanism, comprising a plurality of air distribution devices, wherein the air distribution mechanism is provided at the bottom of any one of the feed chambers and any one of the discharge chambers, and the air distribution devices of the air distribution mechanism are evenly distributed at multiple points in each chamber; The air regulating mechanism includes an air supply pipe, an air supply branch pipe and a regulating valve. Any one of the air distribution devices is connected to the air supply pipe through an air supply branch pipe, and any one of the air supply branch pipes is provided with the regulating valve. The air supply pipe is used to connect to an external air source to transport gas to the air distribution mechanism, and the regulating valve is used to control the opening and on-off of the corresponding air supply branch pipe.

2. The air-locking feeding device according to claim 1, characterized in that: The material dividing mechanism comprises a shell, and at least one material dividing plate is arranged in the shell to separate and form a plurality of mutually spaced material cavities in the shell.

3. The air-locking feeding device according to claim 2 is characterized in that: A material separator plate is arranged in the shell to separate the shell into a symmetrically arranged material chamber 1 and a symmetrically arranged material chamber 2.

4. The air-locking feeding device according to any one of claims 1 to 3, characterized in that: The air distributors in any one of the feed chambers and any one of the discharge chambers are uniformly distributed in a circular array or a rectangular array.

5. The air-locking feeding device according to claim 4 is characterized in that: The air distributors in any of the feed chambers and any of the discharge chambers are uniformly distributed in the rectangular array, and in any of the rectangular arrays: Each row of the air distributors is respectively connected to one of the air supply pipes, and the air supply pipes are arranged in a one-to-one correspondence with the rows of the rectangular array; Alternatively, each vertical column of the air distributors is respectively connected to one of the air supply pipes, and the air supply pipes are arranged in a one-to-one correspondence with the vertical columns of the rectangular array.

6. The air-locking feeding device according to any one of claims 1 to 3, characterized in that: It also includes a feeding mechanism, and the feeding hole of any one of the feeding chambers is connected to the feeding mechanism. The feeding mechanism is used to connect to the upstream feeding equipment and divert the material to each of the feeding chambers.

7. The air-locking feeding device according to claim 6, characterized in that: The feeding mechanism is a multi-way pipe or a multi-way valve.

8. A method for feeding with air lock, implemented by using the air lock feeding device according to any one of claims 1 to 7, characterized in that: include: Deliver materials to each of the feed chambers, and adjust the regulating valves corresponding to some or all of the air distributors in each of the feed chambers, so as to control the fluidization state of the materials in each of the feed chambers by adjusting the air flow rate and air outlet area of ​​the air distributor mechanism, and use the fluidization state of the materials in the feed chambers to adjust the material inflow amount of each of the feed chambers; Regulating the regulating valves corresponding to some or all of the air distributors in each of the discharge chambers, so as to control the fluidization state of the material in each of the discharge chambers by regulating the air flow rate and air outlet area of ​​the air distributor mechanism, and utilizing the fluidization state of the material in the discharge chamber to regulate the material outflow of each of the discharge chambers; According to the operating parameters of the downstream material receiving equipment connected to each of the discharge pipes, the regulating valves corresponding to some or all of the air distributors in each of the material chambers are regulated to control the fluidization state of the material in each of the material chambers by adjusting the air flow rate and air outlet area of ​​the air distributor mechanism in each of the material chambers until the material outflow from each of the discharge pipes reaches a set ratio; wherein the operating parameters include the temperature, oxygen content and pressure of the downstream material receiving equipment.

9. A wind-locked feeding system, characterized in that: It comprises an upstream material receiving device, a downstream material receiving device and the air-locking feeding device as described in any one of claims 1 to 7, wherein the upstream material receiving device is connected to the feed hole of any one of the feed chambers, and any one of the discharge pipes of the air-locking feeding device is connected to a downstream material receiving device.

10. The air-locking feeding system according to claim 9, characterized in that: The air-locking feeding system is a refractory iron ore magnetization roasting system, wherein the upstream receiving device is a heating furnace, and the downstream receiving device is a reactor; Alternatively, the air-locking feeding system is a shale oil production system, wherein the upstream material receiving device is a retort, and the downstream material receiving device includes a main furnace and a cooler; Alternatively, the air-locked feeding system is a lignite upgrading system, wherein the upstream material receiving equipment is a dry distillation device, and the downstream material receiving equipment includes a main furnace and a cooler.

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