阅读说明：本技术 一种颗粒物料的加热输送设备 (Heating conveying equipment for granular materials ) 是由 丁劲锋 杨仁民 于 2020-08-20 设计创作，主要内容包括：本发明涉及自动化设备技术领域,公开了一种颗粒物料的加热输送设备。颗粒物料的加热输送设备包括输送机构、加热机构和过滤机构。输送机构包括输送管和输送组件,输送组件用于沿输送管的轴向输送颗粒状的物料。加热机构包括加热器,加热器用于加热物料。过滤机构包括过滤管道、第一过滤件、第二过滤件和负压风机,过滤管道的一端连通于输送管的管壁,另一端连通于负压风机的入风口,第一过滤件和第二过滤件间隔置于过滤管道上,第一过滤件和第二过滤件均用于过滤经过过滤管道内的气体。本发明保证了物料的干燥,过滤因加热物料而蒸发出的水蒸气中的杂质,水蒸气能够直接被回收或排放,降低了对空气质量的影响,提高了资源利用率。(The invention relates to the technical field of automation equipment and discloses heating and conveying equipment for granular materials. The heating and conveying equipment for the granular materials comprises a conveying mechanism, a heating mechanism and a filtering mechanism. The conveying mechanism comprises a conveying pipe and a conveying assembly, and the conveying assembly is used for conveying granular materials along the axial direction of the conveying pipe. The heating mechanism comprises a heater, and the heater is used for heating the material. The filtering mechanism comprises a filtering pipeline, a first filtering piece, a second filtering piece and a negative pressure fan, one end of the filtering pipeline is communicated with the pipe wall of the conveying pipe, the other end of the filtering pipeline is communicated with an air inlet of the negative pressure fan, the first filtering piece and the second filtering piece are arranged on the filtering pipeline at intervals, and the first filtering piece and the second filtering piece are both used for filtering gas in the filtering pipeline. The invention ensures the drying of the material, filters impurities in the steam evaporated by heating the material, and directly recovers or discharges the steam, thereby reducing the influence on the air quality and improving the resource utilization rate.)

1. A heated conveyor apparatus for particulate material, comprising:

the conveying mechanism comprises a conveying pipe (1) and a conveying assembly, and the conveying assembly is used for conveying granular materials along the axial direction of the conveying pipe (1);

the heating mechanism is used for heating the materials;

filtering mechanism including filtering pipeline, first filtration piece (3), second filtration piece (4) and negative-pressure air fan (5), filtering pipeline's one end communicate in the pipe wall of conveyer pipe (1), the other end communicate in the income wind gap of negative-pressure air fan (5), first filtration piece (3) with second filtration piece (4) interval is arranged in filtering pipeline is last, first filtration piece (3) with second filtration piece (4) all are used for filtering the process gas in the filtering pipeline.

2. The heating and conveying equipment of the granular materials according to claim 1, characterized in that the filtering pipeline comprises a primary filtering pipe (6), the first filtering element (3) comprises a filtering net, one end of the primary filtering pipe (6) is communicated with the pipe wall of the conveying pipe (1), the filtering net is arranged on the primary filtering pipe (6), and the filtering net is used for filtering the gas passing through the primary filtering pipe (6).

3. The heating and conveying equipment of the granular materials according to claim 2, characterized in that the filtering pipeline further comprises a secondary filtering pipe (7), one end of the secondary filtering pipe (7) is communicated with the other end of the primary filtering pipe (6), the other end of the secondary filtering pipe (7) is communicated with an air inlet of the negative pressure fan (5), and the second filtering piece (4) is arranged on the secondary filtering pipe (7).

4. The heating and conveying equipment for the granular materials according to claim 3, further comprising a back-blowing mechanism, wherein the back-blowing mechanism comprises an electromagnetic valve (81), an air blowing pipe (82) and an air pump, the air blowing pipe (82) and the electromagnetic valve (81) are sequentially arranged on one side of the filter screen, which is far away from the conveying pipe (1), the electromagnetic valve (81) is arranged on the primary filtering pipe (6), the electromagnetic valve (81) can enable the primary filtering pipe (6) to be communicated or disconnected, one end of the air blowing pipe (82) is communicated with the primary filtering pipe (6), and the other end of the air blowing pipe is connected with an air outlet of the air pump.

5. The heating and conveying equipment for the granular materials according to claim 4, characterized in that the primary filtering pipe (6) comprises an air inlet pipe section (61), a back-blowing pipe section (62) and an isolation pipe section (63) which are connected in sequence, the back flushing mechanism also comprises a powder collecting box (83), the filter screen is arranged on the back flushing pipe section (62) which is vertically arranged, the top end of the back blowing pipe section (62) is communicated with the air blowing pipe (82), the bottom end of the back blowing pipe section (62) is communicated with the powder collecting box (83), one end of the air inlet pipe section (61) is communicated with the conveying pipe (1), one end of the isolation pipe section (63) is communicated with the secondary filtering pipe (7), the other end of the air inlet pipe section (61) and the other end of the isolation pipe section (63) are both communicated with the pipe wall of the blowback pipe section (62), the air inlet pipe section (61) and the isolation pipe section (63) are respectively arranged on two sides of the filter screen.

6. The heating and conveying equipment for the granular materials according to claim 2, wherein the conveying assembly comprises a driving motor (91) and an auger shaft (92), auger blades are spirally arranged on the shaft wall of the auger shaft (92), the auger shaft (92) is coaxial and is rotatably arranged in the conveying pipe (1), and the driving motor (91) is used for driving the auger shaft (92) to rotate.

7. The heating and conveying equipment for the granular materials according to claim 6, wherein the auger blade comprises a conveying blade (93) and an anti-blocking blade (94), the rotating directions of the conveying blade (93) and the anti-blocking blade (94) are opposite, and a discharge hole (12) is formed in the conveying pipe (1) corresponding to the junction of the conveying blade (93) and the anti-blocking blade (94).

8. The heating and conveying device for the granular materials according to claim 7, wherein the conveying blade (93) comprises a feeding section blade (931) and a slow conveying section blade (932), the pitch of the slow conveying section blade (932) is larger than that of the feeding section blade (931), the slow conveying section blade (932) is arranged between the feeding section blade (931) and the anti-blocking blade (94), a feeding port (11) is arranged on the conveying pipe (1) at the position of the feeding section blade (931), and the conveying pipe (1) at the position of the slow conveying section blade (932) is communicated with the first-stage filter pipe (6).

9. A heated conveying installation of particulate material according to any of claims 1-8, characterised in that the heated conveying installation of particulate material further comprises a temperature sensor disposed in the conveying pipe (1) for measuring the temperature of the material in the conveying pipe (1).

10. A heated conveyor apparatus for particulate material according to any one of claims 1 to 9, characterised in that the heating means comprises a plurality of heaters (2), a plurality of the heaters (2) being arranged outside the conveyor pipe (1) in the axial direction of the conveyor pipe (1).

Technical Field

The invention relates to the technical field of automation equipment, in particular to heating and conveying equipment for granular materials.

Background

Granular materials are common chemical raw materials and are usually transported by using an auger. During the chemical reaction, the temperature of a part of materials entering the reaction needs to be ensured to be 400-500 ℃, so that the materials are heated in the process of transporting the materials, thereby meeting the temperature requirement of the materials. In the process of heating the materials, the moisture in the materials can be evaporated into water vapor, so that the air pressure in the conveying pipe is increased and the water vapor is discharged out of the conveying pipe. However, the discharged water vapor is mixed with impurities and cannot be directly recycled, and the air quality is also influenced by direct discharge.

In view of the above, there is a need for a heated conveying apparatus for particulate material that solves the above-mentioned problems.

Disclosure of Invention

The invention aims to provide heating and conveying equipment for granular materials, which ensures the drying of the materials, and can filter impurities in steam evaporated by heating the materials, so that the steam can be directly recovered or discharged, the influence on the air quality is reduced, and the resource utilization rate is also improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a heated conveyor apparatus for particulate material, comprising:

the conveying mechanism comprises a conveying pipe and a conveying assembly, and the conveying assembly is used for conveying granular materials along the axial direction of the conveying pipe;

the heating mechanism is used for heating the materials;

filtering mechanism, including filtering pipeline, first filtration piece, second filtration piece and negative-pressure air fan, filtering pipeline's one end communicate in the pipe wall of conveyer pipe, the other end communicate in negative-pressure air fan's income wind gap, first filtration piece with the second filters the piece interval and arranges in filtering pipeline is last, first filtration piece with the second filters the piece and all is used for filtering the process gas in the filtering pipeline.

Preferably, the filtering pipeline includes the primary filter pipe, first filtration piece includes the filter screen, the one end of primary filter pipe communicate in the pipe wall of conveyer pipe, the filter screen sets up on the primary filter pipe, the filter screen is used for filtering the process gas in the primary filter pipe.

Preferably, the filtering pipeline further comprises a secondary filtering pipe, one end of the secondary filtering pipe is communicated with the other end of the primary filtering pipe, the other end of the secondary filtering pipe is communicated with an air inlet of the negative pressure fan, and the second filtering piece is arranged on the secondary filtering pipe.

Preferably, the heating conveying equipment of granule material still includes blowback mechanism, blowback mechanism includes solenoid valve, gas blow pipe and air pump, the filter screen is kept away from one side of conveyer pipe sets gradually the gas blow pipe with the solenoid valve, the solenoid valve is arranged in on the primary filter pipe, the solenoid valve can make primary filter pipe intercommunication or disconnection, the one end of gas blow pipe with the primary filter pipe intercommunication, the other end with the gas outlet of air pump is connected.

Preferably, the primary filter pipe is including the intake pipe section, blowback pipeline section and the isolation pipeline section that connect gradually, blowback mechanism still includes the powder collecting box, the filter screen is arranged in vertical setting on the blowback pipeline section, the top of blowback pipeline section with the gas blow pipe intercommunication, the bottom of blowback pipeline section with the powder collecting box intercommunication, the one end of intake pipe section communicate in the conveyer pipe, the one end of isolation pipeline section communicate in the secondary filter pipe, the other end of intake pipe section with the other end of isolation pipeline section all with the pipe wall intercommunication of blowback pipeline section, the intake pipe section with the isolation pipeline section is arranged in respectively the both sides of filter screen.

Preferably, conveying component includes driving motor and auger shaft, the spiral is equipped with auger blade on the axial wall of auger shaft, the auger shaft coaxial and rotate set up in the conveyer pipe, driving motor is used for the drive the auger shaft rotates.

Preferably, the auger blade includes conveyor blade and prevents stifled blade, conveyor blade with prevent stifled blade's the opposite direction of turning, be located conveyor blade with prevent that the junction of stifled blade corresponds be equipped with the discharge gate on the conveyer pipe.

Preferably, the conveying blades comprise feeding section blades and slow conveying section blades, the pitch of the slow conveying section blades is larger than that of the feeding section blades, the slow conveying section blades are arranged between the feeding section blades and the anti-blocking blades, a feeding port is formed in the conveying pipe at the position of the feeding section blades, and the conveying pipe at the position of the slow conveying section blades is communicated with the primary filter pipe.

Preferably, the apparatus for heating and conveying particulate material further comprises a temperature sensor disposed within the conveyor pipe for measuring the temperature of the material within the conveyor pipe.

Preferably, the heating mechanism includes a plurality of heaters disposed outside the conveying pipe in an axial direction of the conveying pipe.

The invention has the beneficial effects that: the material is heated and the evaporation produces vapor, and filtering mechanism sets up negative pressure air fan and can make the vapor in the transfer line get into the filter line, has reduced the influence to the atmospheric pressure in the transfer line, has improved the security, has guaranteed the drying of material, has also avoided the influence to follow-up chemical reaction. And the interval sets up first filtration piece and second filtration piece in the filter tube way, can filter the vapor in the filter tube way, filters the impurity of vapor, and sets up two filtration pieces and can further guarantee filterable effect for vapor can directly be retrieved or discharge, has reduced the influence to the air quality, has also improved resource utilization.

Drawings

FIG. 1 is a schematic structural diagram of a heating and conveying apparatus for particulate materials according to an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of a heating and conveying apparatus for granular materials according to an embodiment of the present invention;

FIG. 3 is a partial schematic structural view of a conveying mechanism, a heating mechanism and a filtering mechanism provided in an embodiment of the present invention;

figure 4 is a cross-sectional view of a compact provided by an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a conveying mechanism and a heating mechanism provided in an embodiment of the present invention;

fig. 6 is a sectional view of a conveying mechanism provided in an embodiment of the present invention.

In the figure:

1. a delivery pipe; 11. a feeding port; 12. a discharge port;

2. a heater;

3. a first filter member;

4. a second filter member;

5. a negative pressure fan;

6. a primary filter pipe; 61. an air intake pipe section; 62. a blowback pipe section; 63. isolating the pipe sections;

7. a secondary filter pipe; 71. an on-off valve;

81. an electromagnetic valve; 82. an air blowing pipe; 83. powder collecting box; 831. a handle; 832. an inclined plate;

91. a drive motor; 92. a packing auger shaft; 93. a conveying blade; 931. a feed section blade; 932. slowly conveying the section of the blade; 94. anti-blocking blades;

10. a frame; 101. a moving wheel; 102. an electric cabinet; 103. and (4) an observation window.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

This embodiment provides a heating conveying equipment of granule material, has guaranteed the drying of material to can filter the impurity in the vapor because of heating the material and evaporating, make vapor can directly be retrieved or discharge, reduced the influence to the air quality, also improved resource utilization.

Specifically, as shown in fig. 1, the heating and conveying device for the particulate material includes a conveying mechanism, a heating mechanism, and a filtering mechanism. The conveying mechanism comprises a conveying pipe 1 and a conveying assembly, wherein the granular materials are placed in the conveying pipe 1, and the conveying assembly is used for conveying the granular materials along the axial direction of the conveying pipe 1. The heating mechanism is used for heating the materials. The filtering mechanism comprises a filtering pipeline, a first filtering piece 3, a second filtering piece 4 and a negative pressure fan 5, one end of the filtering pipeline is communicated with the pipe wall of the conveying pipe 1, the other end of the filtering pipeline is communicated with an air inlet of the negative pressure fan 5, the first filtering piece 3 and the second filtering piece 4 are arranged on the filtering pipeline at intervals, and the first filtering piece 3 and the second filtering piece 4 are both used for filtering gas passing through the filtering pipeline. The filtering mechanism is provided with the negative pressure fan 5, so that the water vapor in the conveying pipe 1 can enter the filtering pipeline, the influence on the air pressure in the conveying pipe 1 is reduced, the safety is improved, the drying of the material is ensured, and the influence on the subsequent chemical reaction is also avoided. And the interval sets up first filtration piece 3 and second filtration piece 4 in the filter tube 1, can filter the vapor in the filter tube 1, filters the impurity of vapor, and sets up two filtration pieces and can further guarantee filterable effect for vapor can directly be retrieved or discharge, has reduced the influence to air quality, has also improved resource utilization.

In this embodiment, the air outlet of the negative pressure fan 5 is connected to a steam pipeline, and the steam pipeline is used for recovering or discharging the filtered water vapor.

Preferably, as shown in fig. 1, the heating mechanism includes a plurality of heaters 2. A plurality of heaters 2 are arranged outside the conveying pipe 1 along the axial direction of the conveying pipe 1, the heating area can be increased, the temperature of the materials when the materials are conveyed out of the conveying pipe 1 meets the reaction requirement, and the influence on the subsequent chemical reaction is avoided. In this embodiment, the heating temperature of a plurality of heaters 2 is the step distribution along the direction of delivery of material, and the temperature difference that the material needs to rise through every heater 2 reduces promptly, has reduced the temperature difference that every heater 2 needs the heating material, has reduced the requirement to heater 2 power, has reduced the heating degree of difficulty, has guaranteed that the material can be heated to reaction temperature, has also saved the energy.

In this embodiment, conveyer pipe 1 is the metal material, and heater 2 is the electromagnetic induction heater, and the electromagnetic induction heater parcel is in the outer wall of conveyer pipe 1, and conveyer pipe 1 can be with the material of heat transfer for inside. The structure of the electromagnetic induction heater is the prior art and is not described herein.

Preferably, the apparatus for heated transport of particulate material further comprises a temperature sensor. The temperature sensor is arranged in the conveying pipe 1 and used for measuring the temperature of materials in the conveying pipe 1, the heating temperature of each heater 2 can be adjusted in time according to the temperature of the materials measured by the temperature sensor, the temperature of the materials when the materials are sent out of the conveying pipe 1 is guaranteed to meet the reaction requirement, and the influence on the subsequent chemical reaction is avoided. In this embodiment, temperature sensor is provided with a plurality ofly, can detect whether the material leaves every heater 2 and can reach the requirement of temperature value, the closed-loop control of being convenient for. Furthermore, a temperature sensor is arranged at the outlet of the conveying pipe 1, so that the temperature of the materials when being conveyed out of the conveying pipe 1 can be detected to meet the reaction requirement, and the heating temperature of the heater 2 can be conveniently adjusted.

Preferably, as shown in fig. 1-3, the filter conduit comprises a primary filter tube 6. First filter 3 includes the filter screen, and the one end of primary filter pipe 6 communicates in conveyer pipe 1's pipe wall, and the filter screen setting is on primary filter pipe 6, and the filter screen is used for filtering the gas through in the primary filter pipe 6. The filter screen is the primary filter for block material or large granule impurity in the vapor, the vapor of being convenient for filters next step.

Preferably, the filtering conduit further comprises a secondary filtering duct 7. One end of the secondary filter pipe 7 is communicated with the other end of the primary filter pipe 6, the other end of the secondary filter pipe 7 is communicated with an air inlet of the negative pressure fan 5, the second filter piece 4 is arranged on the secondary filter pipe 7, the second filter piece 4 further filters impurities of water vapor, and two filter pieces are arranged to further ensure the filtering effect, so that the water vapor can be directly recovered or discharged, the influence on the air quality is reduced, and the resource utilization rate is also improved. In this embodiment, the second filter element 4 is a vapor filter, and the structure of the vapor filter is the prior art and will not be described herein. In this embodiment, the second-stage filtration pipe 7 is provided with an on-off valve 71, which can control the on-off state of the second-stage filtration pipe 7.

Preferably, the heating and conveying equipment for the granular materials further comprises a back blowing mechanism, and the back blowing mechanism comprises an electromagnetic valve 81, an air blowing pipe 82 and an air pump. The side of the filter screen far away from the conveying pipe 1 is sequentially provided with an air blow pipe 82 and an electromagnetic valve 81, the electromagnetic valve 81 is arranged on the primary filter pipe 6, and the electromagnetic valve 81 can enable the primary filter pipe 6 to be communicated or disconnected. One end of the air blowing pipe 82 is communicated with the primary filter pipe 6, and the other end is connected with an air outlet of the air pump. After negative-pressure air fan 5 moved a period, can adsorb material or large granule impurity on the filter screen, blockked up the punchhole of filter screen, vapor can not continue to pass through the filter screen, and blowback mechanism can blow off adsorbed material or large granule impurity on the filter screen, guarantees that vapor can continue smooth and easy circulation. One side that the conveyer pipe 1 was kept away from to the filter screen sets gradually gas blow pipe 82 and solenoid valve 81, and solenoid valve 81 can break off one-level filter tube 6, and steam can not get into second grade filter tube 7 promptly, and the air pump blows to the filter screen through gas blow pipe 82 this moment, can blow off adsorbed material or large granule impurity on the filter screen, guarantees the filter effect of follow-up steam.

In this embodiment, after the negative pressure fan 5 operates for a period of time, the negative pressure fan 5 stops sucking air, the electromagnetic valve 81 disconnects the primary filtering pipe 6, the air pump blows air to the air blowing pipe 82, the blowing air stops after a period of time, the electromagnetic valve 81 connects the primary filtering pipe 6, the negative pressure fan 5 operates again, and the process is repeated.

Preferably, as shown in fig. 1-3, the primary filtering pipe 6 comprises an air inlet pipe section 61, a blowback pipe section 62 and an isolation pipe section 63 which are connected in sequence. The blowback mechanism further includes a dust collecting box 83. The filter screen is arranged on the blowback pipe section 62 which is vertically arranged, the top end of the blowback pipe section 62 is communicated with the blowing pipe 82, and the bottom end of the blowback pipe section 62 is communicated with the powder collecting box 83. One end of the air inlet pipe section 61 is communicated with the conveying pipe 1, one end of the isolation pipe section 63 is communicated with the secondary filter pipe 7, the other end of the air inlet pipe section 61 and the other end of the isolation pipe section 63 are communicated with the pipe wall of the back flushing pipe section 62, and the air inlet pipe section 61 and the isolation pipe section 63 are respectively arranged on two sides of the filter screen. Set up album powder box 83, the gas blow pipe 82 blows off the material or the large granule impurity of adsorption on with the filter screen to collect in album powder box 83, avoid blowing off material and impurity to blow back again in the conveying pipe 1.

In this embodiment, set up the detachable lid on the collection powder box 83, set up handle 831 on the lid, can clear up the material and the impurity in the collection powder box 83, retrieve and handle on next step. As shown in fig. 4, the powder collecting box 83 is a cuboid, the top plate of the powder collecting box 83 is communicated with the blowback pipe section 62, two inclined plates 832 are obliquely fixed inside the powder collecting box 83, and the materials and impurities fall down from the blowback pipe section 62 and then slide down to the bottom of the powder collecting box 83 through the two inclined plates 832.

Specifically, as shown in fig. 5-6, the conveyor assembly includes a drive motor 91 and auger shaft 92. Auger blades are spirally arranged on the shaft wall of the auger shaft 92, the auger shaft 92 is coaxially and rotatably arranged in the conveying pipe 1, and the driving motor 91 is used for driving the auger shaft 92 to rotate and conveying materials in the conveying pipe 1.

In this embodiment, two ends of the conveying pipe 1 are sealed and provided with end plates, one end of the conveying pipe is fixed with a bearing, one end of the packing auger shaft 92 is fixed with an inner ring of the bearing, the other end plate is provided with a hole, an outer ring of the other bearing is fixed on the hole wall, and one end of the packing auger shaft 92 penetrates through the inner ring of the bearing and is coaxially connected with an output shaft of the driving motor 91.

Preferably, the auger blade includes a conveying blade 93 and an anti-blocking blade 94. The rotation directions of the conveying blades 93 and the anti-blocking blades 94 are opposite, a discharge port 12 is arranged on the conveying pipe 1 corresponding to the junction of the conveying blades 93 and the anti-blocking blades 94, the discharge port 12 is not arranged at the end part of the conveying pipe 1, the end parts of the conveying pipe 1 are blocked by materials, the two types of blades rotating in the rotation directions can convey the materials at the two ends of the conveying pipe 1 to the discharge port 12, the utilization rate of the materials is improved, and the cost is reduced.

Further, the conveying blade 93 includes a feeding stage blade 931 and a slow conveying stage blade 932. The pitch of the slow conveying section blade 932 is greater than that of the feeding section blade 931, the slow conveying section blade 932 is arranged between the feeding section blade 931 and the anti-blocking blade 94, a feeding port 11 is formed in the conveying pipe 1 at the position where the feeding section blade 931 is located, and the conveying pipe 1 at the position where the slow conveying section blade 932 is located is communicated with the primary filter pipe 6. Slowly defeated section blade 932 can slow down the transport speed of material, the pitch increase of this section blade, the material is because the bottom motion of action of gravity in to conveyer pipe 1, upper end formation space in conveyer pipe 1 inside, the heating effect of material has been promoted, accelerate the evaporation of water, make the material rapid draing, and the conveyer pipe 1 and the 6 intercommunications of one-level filter pipe at slowly defeated section blade 932 place position, guaranteed that vapor can in time get into the filtration passageway, further guaranteed material drying, reduce the influence to follow-up reflection. The feeding section blades 931 can ensure that the materials are conveyed to the slow conveying section blades 932 quickly, and the feeding port 11 is formed in the conveying pipe 1 at the position of the feeding section blades 931 to ensure that the materials are supplied to the conveying pipe 1 continuously.

In this embodiment, the number of the primary filter pipes 6 is two, one primary filter pipe 6 is communicated with the conveying pipe 1 at the position of the slow conveying section vane 932, and the conveying pipe 1 at the position of the anti-blocking vane 94 is communicated with the other primary filter pipe 6. The two primary filter pipes 6 are respectively provided with a primary filter member 3 and a group of back flushing mechanisms, and the tail ends of the two primary filter pipes 6 are communicated with the secondary filter pipe 7.

In this embodiment, the heating and conveying apparatus for particulate materials further includes a frame 10, and the conveying mechanism, the heating mechanism and the powder collecting box 83 are fixed on the frame 10. The bottom of the frame 10 is fixed with a moving wheel 101, which is convenient for moving the position of the heating and conveying equipment of the granular materials. An electric cabinet 102 is fixed on one side of the frame 10, and the electric cabinet 102 can automatically control the components of the conveying mechanism, the heating mechanism and the filtering mechanism, so that the automation degree is improved. The rack 10 is also provided with an observation window 103, so that the observation is convenient in the process of conveying materials, and the safety can be ensured.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.