CN214903357U - Quarantine harmful organism inactivation tower - Google Patents

Abstract

The utility model discloses an inactivation tower for quarantine harmful organisms, which comprises a tower top material storage section which is connected in sequence, wherein the tower top material storage section is used for material storage; an indirect steam heating section for providing a temperature required for quarantine pest inactivation; the air outlet section is used for discharging redundant damp and hot steam; a direct steam heating section for direct contact of the material with the hot humid steam; the tempering section is used for keeping the temperature and the humidity of the materials; the cooling section is used for cooling and dehumidifying the materials; a discharge section for discharging material; the tower bottom discharge hopper is used for buffering and temporarily storing materials; the inactivation tower for the quarantine pests is formed by sequentially assembling a plurality of functional layers with different effects, and steam damp-heat treatment is continuously carried out on the grain quarantine pests with high yield.

Description

Quarantine harmful organism inactivation tower

Technical Field

The utility model relates to the field of pest inactivation and the field of grain innocent treatment, which is applied to the damp-heat inactivation treatment of quarantine pests of materials such as cereal, beans and oil crops seeds; in particular to an inactivation tower for quarantine harmful organisms.

Background

China has become the first world for importing grains, and the imported grains mainly comprise soybeans, wheat, rice, corns and the like. According to the regulation of the export-import inspection and quarantine industry standard (SN/T4716-2016) of the people's republic of China, it is found that the quarantine pests need to be effectively inactivated.

The method for inactivating the plant quarantine pests mainly comprises a physical method and a chemical method, wherein the steam damp-heat method is economical and environment-friendly, does not influence the use value of a treated object, and is most suitable for treating the grain quarantine pests in the entry. The traditional steam damp-heat treatment method adopts equipment such as a heating and humidifying tank, a heat preservation and humidifying tank and the like to realize inactivation treatment on grains, and the damp-heat treatment process is intermittent and has small daily treatment capacity. Therefore, an effective device for steam moist heat treatment of grain quarantine pests with high yield and continuity is not available at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inactivation tower of quarantine nature harmful organism, the inactivation tower of the quarantine nature harmful organism of shaping is assembled in proper order by a plurality of functional layers of different efficiency, realizes that high yield, continuity ground carry out steam damp heat treatment to grain quarantine nature harmful organism.

The above object of the utility model is realized through following technical scheme: an inactivation tower for quarantine pests comprises a tower top material storage section, a tower top material storage section and a control section, wherein the tower top material storage section is used for material storage; an indirect steam heating section for providing a temperature required for quarantine pest inactivation; the air outlet section is used for discharging redundant damp and hot steam; a direct steam heating section for direct contact of the material with the hot humid steam; the tempering section is used for keeping the temperature and the humidity of the materials; the cooling section is used for cooling and dehumidifying the materials; a discharge section for discharging material; the tower bottom discharge hopper is used for buffering and temporarily storing materials; wherein the direct steam heating section comprises a direct steam inlet, a direct steam outlet and a heating pipe; the direct steam inlet and the direct steam outlet are respectively connected with the heating pipe, a plurality of steam spraying openings are formed in the heating pipe, and the plurality of steam spraying openings are uniformly distributed in the heating pipe.

As a further improvement of the above technical solution, the opening angle of the steam injection opening is 30 °.

As a further improvement of the above technical scheme, a feed inlet of the tower top material storage section is provided with a material distribution device, and the material distribution device comprises a material distribution mounting plate, a sliding plate and a material distribution conical plate; sliding grooves are formed in the two sides of the material distribution mounting plate, and the sliding plates are arranged on the sliding grooves through connecting pieces; the bulk material conical plate is arranged on the material distribution mounting plate and matched with the sliding plate.

As a further improvement of the above technical scheme, the indirect steam heating section comprises an indirect steam heating section tower body, a steam inlet, a steam outlet and an elliptical heat exchange tube; the oval heat exchange tube set up in the inside of indirect steam heating section tower body, steam inlet and steam outlet respectively with oval heat exchange tube is connected.

As a further improvement of the above technical solution, the cooling section comprises a cooling tower body, a cold air inlet and a cold air outlet; the cold air inlets are arranged on the upper side and the lower side of the cooling tower body; the cold air outlet is arranged in the middle of the cooling tower body.

As a further improvement of the technical proposal, a horn-shaped box is also arranged in the cold air outlet.

As a further improvement of the technical scheme, a flexible discharging roller device is arranged in the discharging section and comprises a flexible material baffle plate, a discharging roller and an arc chute; arrange the material roller set up in one side of arc swift current silo and through inverter motor drive, flexible striker plate set up in arrange the upper portion of material roller and with arc swift current silo cooperation.

Compared with the prior art, the beneficial effects of the utility model are that: the steam damp-heat treatment of the grain quarantine pests is realized in a high-yield and continuous manner by using single equipment. The tower type assembly structure is adopted, the assembly is simple and convenient, and the same functional units have interchangeability; the materials are uniformly distributed in the tower body, the gradual heating and humidifying process is completed on the materials through indirect steam and direct steam, then the uniform cooling of the materials is realized through the mixed flow contact of cold air and the materials, the original properties of the materials are reserved to the maximum extent, and the guarantee is provided for the subsequent deep processing of the materials.

The material flows uniformly in all directions and is distributed in the material storage section at the top of the tower by adjusting the gap between the sliding plate and the bulk material conical plate; the direct steam heating section is fully contacted with the materials to heat and humidify the materials, so that the temperature and the humidity of the materials meet the requirements of wet heat treatment in quarantine standards; the material is taken away with partial surface water and heat under the action of cold air in the cooling section, so that the cooling and dehumidifying effects are achieved, and the material storage is facilitated; the discharge roller of the flexible discharge roller device is driven by a variable frequency motor, and the rotating speed of the discharge roller device can be adjusted so as to adjust the discharge speed.

Drawings

FIG. 1 is a schematic front view of the overall structure of an inactivation column;

FIG. 2 is a schematic left view of the overall structure of the inactivation column;

FIG. 3 is a schematic diagram of the structure of an indirect steam heating section;

FIG. 4 is a schematic diagram of the structure of the direct steam heating section;

FIG. 5 is a schematic view of a steam injection opening structure;

FIG. 6 is a schematic structural view of a material distributing device of a material storage section at the top of the tower;

FIG. 7 is a schematic view of a cooling section configuration;

FIG. 8 is a schematic view of a flexible discharge roller configuration.

In the figure, 1, a tower top material storage section, 2, an indirect steam heating section, 3, an air outlet section, 4, a direct steam heating section, 5, a tempering section, 6, a cooling section, 7, a material discharging section, 8, a tower bottom material discharging hopper, 9, a sliding plate, 10, a bulk material conical plate, 11, a steam inlet, 12, a steam outlet, 13, an elliptical heat exchange pipe, 14, a direct steam inlet, 15, a direct steam outlet, 16, a heating pipe, 17, a cold air inlet, 18, a cold air outlet, 19, an angular box, 20, a flexible material baffle, 21, a material discharging roller, 22, an arc-shaped material chute, 23, a steam spraying opening, 24, a material distributing mounting plate, 25, a material distributing mounting plate, 26, an indirect steam heating section tower body, 27 and a cooling tower body are arranged in sequence.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, wherein a is a material inlet, b is an air outlet, c is a cold air inlet, d is a cold air outlet, e is a material outlet, and f is a rotation direction of the material discharging roller.

The utility model provides an inactivating tower for epidemic harmful organisms, which comprises a tower top material storage section 1 which is connected in sequence, wherein the tower top material storage section 1 is used for material storage; an indirect steam heating section 2, wherein the indirect steam heating section 2 is used for providing the temperature required by quarantine pest inactivation; the air outlet section 3 is used for discharging redundant damp and hot steam; a direct steam heating section 4, wherein the direct steam heating section 4 is used for directly contacting the materials with the wet hot steam; the tempering section 5 is used for keeping the temperature and the humidity of the materials; the cooling section 6 is used for cooling and dehumidifying the materials; a discharge section 7, wherein the discharge section 7 is used for discharging materials; the material hopper 8 goes out at the bottom of the tower, material hopper 8 is used for buffering and the material of keeping in at the bottom of the tower.

Specifically, referring to fig. 6, a feed inlet of the tower top storage section 1 is provided with a material distribution device, and the material distribution device includes a material distribution mounting plate 24, a sliding plate 9 and a bulk material conical plate 10; sliding grooves 25 are formed in two sides of the material distribution mounting plate 24, and the sliding plates 9 are arranged on the sliding grooves 25 through connecting pieces; the bulk material conical plate 10 is arranged on the material distribution mounting plate 24 and is matched with the sliding plate 9. When the material storage device is used, the position of the sliding plate 9 in the sliding groove 25 is adjusted up and down through the connecting piece, so that the gap between the sliding plate and the bulk material conical plate 10 can be adjusted, and materials can uniformly flow and be distributed in the material storage section 1 at the top of the tower in all directions.

Referring to fig. 1 and 3, the material passing through the overhead storage section 1 flows into the indirect steam heating section 2, which is provided with a plurality of layers; the indirect steam heating section 2 comprises an indirect steam heating section tower body 26, a steam inlet 11, a steam outlet 12 and an elliptical heat exchange pipe 13; the elliptical heat exchange tube 13 is arranged inside the indirect steam heating section tower body 26, and the steam inlet 11 and the steam outlet 12 are respectively connected with the elliptical heat exchange tube 13; wherein, oval heat exchange tube 13 is the triangle-shaped and evenly arranges in the indirect steam heating section tower body 26, during the use, the material leans on dead weight from the top to the bottom to flow in oval heat exchange tube 13 clearance, and hot steam and material indirect heat transfer in oval heat exchange tube 13, and then realize the intensification to the material.

Referring to fig. 1, 4 and 5, the material after passing through the indirect steam heating layer 2 enters an air outlet section 3 and a direct steam heating section 4, wherein the direct steam heating section 4 comprises a direct steam inlet 14, a direct steam outlet 15 and a heating pipe 16; the direct steam inlet 14 and the direct steam outlet 15 are respectively connected with the heating pipe 16, a plurality of steam injection openings 23 are formed in the heating pipe 16, and the plurality of steam injection openings 23 are uniformly distributed on the heating pipe 16; the opening angle of the steam injection opening 23 is 30 °. Steam enters the heating pipe 16 from the direct steam inlet 14, is sprayed out through the 30-degree steam spraying openings 23 densely distributed on the heating pipe 16, is fully contacted with the material, and is continuously heated and humidified, so that the temperature and the humidity of the material meet the requirements of wet heat treatment in quarantine standards; the excess heat gas in the direct steam heating section 4 is discharged through an exhaust port in the air outlet section 3.

The material flows into the tempering section 5 through the direct steam heating section 4, and after the high-temperature high-humidity state with the temperature of 85 ℃ and the relative humidity of more than 95 percent is maintained for a certain time, the material automatically flows into the cooling section 6.

Referring to fig. 1 and 7, the cooling section 6 includes a cooling tower 27, a cool air inlet 17, and a cool air outlet 18; the cold air inlets 17 are arranged at the upper side and the lower side of the cooling tower body 27; the cold air outlet 18 is arranged in the middle of the cooling tower body 27, the corner-shaped box 19 is further arranged in the cold air outlet 18, in the embodiment, four cold air inlets 17 are arranged, and two cold air outlets 18 are arranged; when the cooling tower is used, cold air enters the cooling tower body 27 from the two cold air inlets 17 at the upper part and the lower part, materials flow from top to bottom to form concurrent flow with the cold air of the cold air inlet 17 at the upper part and form countercurrent flow with the cold air of the cold air inlet 17 at the lower part so as to realize mixed flow contact, the materials are uniformly cooled in all directions, and the cold air after heat exchange is discharged through the two cold air outlets 18 at the middle part; the material is taken away partial surface water and heat under the action of cold wind in the cooling section 6, so as to play a role in cooling and dehumidifying and be beneficial to the storage of the material.

Referring to fig. 1 and 8, the material passing through the cooling section 6 automatically flows into the discharging section 7, and a flexible discharging roller device is arranged in the discharging section 7 and comprises a flexible striker plate 20, a discharging roller 21 and an arc chute 22; the discharge roller 21 is arranged on one side of the arc chute 22 and is driven by a variable frequency motor (not shown in the drawing), and the flexible striker plate 20 is arranged on the upper part of the discharge roller 21 and is matched with the arc chute 22; when the material discharging device is used, materials flow down along the arc-shaped chute 22 and are limited and blocked by the flexible material blocking plate 20 to be uniformly discharged through the discharging roller 21, the discharging roller 21 is driven by the variable frequency motor, the rotating speed of the discharging roller can be adjusted, the discharging speed is further adjusted, and the materials are discharged from the discharging roller 21 and then enter the tower bottom discharging hopper 8; the material hopper 8 plays a buffering and temporary storage role, and finally the material flows out of the inactivation tower and is stably and stably conveyed to the next process link.

In conclusion, when the inactivation tower is used specifically, materials enter the inactivation tower from a feed inlet at the top of the tower, after the tower body is filled with the materials, the materials in the material storage section 1 at the top of the tower firstly pass through the indirect steam heating section 2, latent heat is released under the condensation action of water vapor in a heating pipe of the indirect steam heating section 2, the temperature of the materials to be treated is uniformly and rapidly raised to reach the temperature required by the inactivation of quarantine pests, and the quarantine pests and other pests possibly existing in the materials are killed; the heated materials pass through the gas outlet section 3 and the direct steam heating section 4, and the materials are directly contacted with the wet heat steam in the direct steam heating section 4, so that the temperature and the humidity of the materials are further ensured to meet the requirements of wet heat treatment in quarantine standards; then the material flows to a cooling section 6 by gravity in a tempering section 5 under the condition of keeping temperature and humidity; in the cooling section 6, the inactivated high-temperature and high-humidity material achieves the effects of cooling and dehumidifying through the action of cold air, partial surface water and heat of the material are taken away under the action of the cold air in the cooling section 6, the effects of cooling and dehumidifying are achieved, the storage of the material is facilitated, and the defects of waist burst, end crack and the like of the material are avoided; and finally, discharging the cooled material into a tower bottom discharge hopper 8 through a discharge section 7 to enter subsequent workshop section equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. An inactivation tower for quarantine harmful organisms is characterized by comprising the following components in sequential connection:

the tower top material storage section (1), the tower top material storage section (1) is used for material storage;

an indirect steam heating section (2), wherein the indirect steam heating section (2) is used for providing the temperature required by quarantine pest inactivation;

the air outlet section (3) is used for discharging redundant wet hot steam;

a direct steam heating section (4), wherein the direct steam heating section (4) is used for directly contacting the materials with the wet hot steam;

the tempering section (5) is used for keeping the temperature and the humidity of the materials;

the cooling section (6) is used for cooling and dehumidifying the materials;

a discharge section (7), wherein the discharge section (7) is used for discharging materials;

the tower bottom discharge hopper (8), the tower bottom discharge hopper (8) is used for buffering and temporarily storing materials;

wherein the direct steam heating section (4) comprises a direct steam inlet (14), a direct steam outlet (15) and a heating pipe (16); the direct steam inlet (14) and the direct steam outlet (15) are respectively connected with the heating pipe (16), a plurality of steam spraying openings (23) are formed in the heating pipe (16), and the steam spraying openings (23) are uniformly distributed in the heating pipe (16).

2. A quarantine-pest inactivation tower according to claim 1, wherein the opening angle of the steam injection opening (23) is 30 °.

3. The inactivation tower for quarantine pests according to claim 1, wherein a feed inlet of the tower top material storage section (1) is provided with a material distribution device.

4. The inactivation tower of quarantine pests according to claim 3, wherein the material distribution device comprises a material distribution mounting plate (24), a sliding plate (9) and a material distribution conical plate (10); sliding grooves (25) are formed in two sides of the material distribution mounting plate (24), and the sliding plate (9) is arranged on the sliding grooves (25) through connecting pieces; the bulk material conical plate (10) is arranged on the material distribution mounting plate (24) and is matched with the sliding plate (9).

5. An inactivation tower of a quarantine pest according to claim 1, wherein the indirect steam heating section (2) comprises an indirect steam heating section tower (26), a steam inlet (11), a steam outlet (12) and an elliptical heat exchange tube (13); oval heat exchange tube (13) set up in the inside of indirect steam heating section tower body (26), steam inlet (11) and steam outlet (12) respectively with oval heat exchange tube (13) are connected.

6. A quarantine-pest inactivation tower according to claim 1, wherein the cooling section (6) comprises a cooling tower body (27), a cold air inlet (17) and a cold air outlet (18); the cold air inlets (17) are arranged at the upper side and the lower side of the cooling tower body (27); the cold air outlet (18) is arranged in the middle of the cooling tower body (27).

7. An inactivation tower for quarantine pests according to claim 6, wherein an angular box (19) is further provided in the cool air outlet (18).

8. A tower for the inactivation of quarantine pests according to claim 1, wherein a flexible discharge roller device is provided in the discharge section (7).

9. A quarantine-pest inactivation tower according to claim 8, wherein the flexible discharge roller device comprises a flexible striker plate (20), a discharge roller (21) and an arc chute (22); arrange material roller (21) set up in one side of arc swift current silo (22) and through inverter motor drive, flexible striker plate (20) set up in arrange the upper portion of material roller (21) and with arc swift current silo (22) cooperation.

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