CN213428286U

CN213428286U - Novel steam spraying device for moisture return area of leaf redrying machine

Info

Publication number: CN213428286U
Application number: CN202021931556.XU
Authority: CN
Inventors: 徐云龙; 迟尚雷; 马文海; 何天佑; 李文俊; 孙剑峰
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-15
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a novel steam spraying device for moisture regain area of blade redrying machine, including inner ring pipe, outer ring pipe and connecting pipe. The inner ring pipe and the outer ring pipe are connected through a connecting pipe and communicated with each other, and a plurality of steam injection holes are formed in the bottoms of the inner ring pipe and the outer ring pipe. And each steam spraying hole is provided with a steam spraying head, and the steam spraying heads are connected with the atomizing nozzles. The high-pressure water in the inner ring pipe, the outer ring pipe, the connecting pipe and the outer ring pipe is sprayed out from the plurality of steam spraying holes to enter the steam spraying head, and then water atomized particles are sprayed out through the atomizing nozzle. The utility model provides a novel steam spraying device for blade redrying machine moisture regain district can improve the humidification effect of heating in moisture regain district, guarantees the homogeneity of finished product moisture content, reduces the moisture content deviation, improves off-the-shelf homogenization quality greatly.

Description

Novel steam spraying device for moisture return area of leaf redrying machine

Technical Field

The utility model belongs to the technical field of tobacco industry tobacco bale processing, a novel steam jet equipment that is used for leaf redrying machine moisture regain district is related to.

Background

At present, a low-temperature slow-baking processing mode is generally used in the threshing and redrying industry, an axial flow fan is mostly adopted in a moisture regain area to generate wind force to match with a steam-water mixing nozzle, and direct injection steam is used for heating and humidifying blades in the moisture regain area. Traditional single nozzle mode receives raw water soft or hard degree, the influence of water pressure size, and the atomization effect is relatively poor, leads to whole moisture regain district humidification effect poor, and humidification back vane humidity, temperature homogeneity are poor. With the improvement of homogenization requirements of the national bureau on finished tobacco lamina, the humidification capability of the moisture return area of the current redrying machine cannot meet the requirements. The temperature and humidity deviation of the remoistened tobacco flakes is large, the processing quality of finished tobacco flakes is seriously affected, and the risks of mildew and carbonization even on alcoholized tobacco leaves in a subsequent warehouse are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a novel steam jet device for blade redrying machine moisture regain district can improve the humidification effect of heating in moisture regain district, guarantees the homogeneity of finished product moisture content, reduces the moisture content deviation, improves off-the-shelf homogenization quality greatly.

In order to achieve the above purpose, the technical scheme of the utility model is that: a novel steam spraying device for a moisture regain area of a blade redrying machine comprises an inner ring pipe, an outer ring pipe and a connecting pipe. The inner ring pipe and the outer ring pipe are connected through a connecting pipe and communicated with each other, and a plurality of steam injection holes are formed in the bottoms of the inner ring pipe and the outer ring pipe. And each steam spraying hole is provided with a steam spraying head, and the steam spraying heads are connected with the atomizing nozzles. The high-pressure water in the inner ring pipe, the outer ring pipe, the connecting pipe and the outer ring pipe is sprayed out from the plurality of steam spraying holes to enter the steam spraying head, and then water atomized particles are sprayed out through the atomizing nozzle.

Preferably, the steam injection head is a hollow structure and is communicated with the inner annular pipe and/or the outer annular pipe through steam injection holes.

Preferably, the area of the inner wall of the steam jet head, which is close to the steam jet hole, is in a conical structure, and the upper part of the inner wall is wide and the lower part of the inner wall is narrow. The conical structure enables the pressure of high-pressure water in the steam jet head to be increased when the high-pressure water is jetted outwards, so that the steam atomization effect is improved.

Preferably, the area of the inner wall of the steam jet head, which is close to the atomizing nozzle, is in a straight cylinder structure and is provided with internal threads.

Preferably, the atomizing nozzle is connected with the steam jet head through the internal thread, so that the atomizing nozzle is convenient to detach and mount.

Preferably, the steam injection hole is a threaded hole, and the steam injection head is connected with the inner ring pipe and/or the outer ring pipe in a threaded screwing mode, so that the steam injection head is convenient to detach and mount.

Preferably, a plurality of steam injection holes are uniformly distributed along the inner ring pipe and/or the outer ring pipe, so that the atomization effect of the moisture return area of the whole blade redrying machine is more uniform.

Preferably, the bottom of the inner circular pipe is uniformly provided with four steam injection holes, and the bottom of the outer circular pipe is uniformly provided with eight steam injection holes, so as to ensure that atomized water mist particles are uniformly conveyed under effective air supply conditions.

Preferably, the outer ring pipe is connected with a water inlet pipe, the outer ring pipe is communicated with the water inlet pipe, and the outer ring pipe and the water inlet pipe are fixedly connected through threads, so that the outer ring pipe is convenient to disassemble and assemble.

Preferably, the water inlet pipe is connected with the raw water high-pressure pipe through a manual-automatic integrated valve, and the manual-automatic integrated valve is used for controlling the delivery of the high-pressure water.

The utility model provides a novel steam spraying device for blade redrying machine moisture regain district arranges axial fan's below in, and cooperation moisture regain district axial fan uses, can carry out the even humidification of multiple spot to the moisture regain district, makes water atomization granule littleer in the whole moisture regain district, more even to improve the atomization effect in moisture regain district greatly, improve off-the-shelf homogenization quality greatly.

Drawings

FIG. 1 is a schematic structural diagram of the present invention in practical application;

fig. 2 is a bottom view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention.

Description of the main element symbols:

1 inner ring pipe

2 outer ring pipe

3 connecting pipe

4 steam jet head

41 internal thread

5 atomizing nozzle

6 water inlet pipe

7 manual-automatic integrated valve

8 raw water high-pressure pipe

9 axial-flow fan

Detailed Description

The technical solution of the embodiment of the novel steam spraying device for the moisture return area of the leaf redrying machine provided by the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

As shown in fig. 1 and 2, the utility model provides a novel steam injection device for the moisture regain area of a blade redrying machine, which comprises an inner ring pipe 1, an outer ring pipe 2 and a connecting pipe 3. The inner ring pipe 1 and the outer ring pipe 2 are both in circular tubular structures and are concentrically arranged, and the overall diameter of the inner ring pipe 1 is smaller than that of the outer ring pipe 2. The inner ring pipe 1 and the outer ring pipe 2 are connected by a connecting pipe 3 and communicated with each other, and in a preferred embodiment, two ends of the connecting pipe 3 are fixedly connected with the inner ring pipe 1 and the outer ring pipe 2 respectively by welding. The bottoms of the inner ring pipe 1 and the outer ring pipe 2 are provided with a plurality of steam injection holes (not shown), each steam injection hole is provided with a steam injection head 4, and the steam injection heads 4 are connected with the atomizing spray heads 5.

A plurality of steam jet holes are uniformly distributed along the inner ring pipe 1 and/or the outer ring pipe 2, so that the atomization effect of the moisture returning area of the whole blade redrying machine is more uniform. In a preferred embodiment, the bottom of the inner annular tube 1 is uniformly provided with four steam injection holes, and the bottom of the outer annular tube 2 is uniformly provided with eight steam injection holes, so as to ensure uniform delivery of atomized water mist particles under effective air blowing conditions. Correspondingly, the inner ring pipe 1 is provided with four steam spraying heads 4 and four atomizing nozzles 5, and the outer ring pipe 2 is provided with eight steam spraying heads 4 and eight atomizing nozzles 5. In practical applications, the number of the steam injection holes is not particularly limited.

As shown in fig. 3, the structure and connection of the steam jet heads 4 will be described in detail by taking one of the steam jet heads 4 of the outer pipe 2 as an example. The steam jet head 4 is a hollow structure and is communicated with the outer ring pipe 3 through a steam jet hole. The area of the inner wall of the steam jet head 4 close to the steam jet hole is in a conical structure, and the upper part of the inner wall is wide and the lower part of the inner wall is narrow. The area of the inner wall of the steam jet head 4 close to the atomizing nozzle 5 is in a straight cylinder structure and is provided with internal threads 41. The atomizing nozzle 5 is connected with the steam jet head 4 through the internal thread 41, so that the atomizing nozzle 5 is convenient to detach and mount. In a preferred embodiment, the steam injection hole is a threaded hole, and the steam injection head 4 is connected with the outer ring pipe 2 in a threaded screwing mode, so that the steam injection head 4 is convenient to detach and mount. In practical applications, the steam nozzle 4 may also be welded directly to the outer ring pipe 2, without limitation.

Similarly, the steam nozzle 4 is fixed to the inner collar 1 in the above-described manner.

As shown in figure 1, the outer ring pipe 2 is connected with a water inlet pipe 6, the outer ring pipe 2 is communicated with the water inlet pipe 6, and the outer ring pipe 2 and the water inlet pipe are fixedly connected through threads, so that the outer ring pipe is convenient to detach and install. In practical applications, the outer annular tube 2 and the water inlet tube 6 may also be directly welded and fixed, and are not limited herein. The water inlet pipe 6 is connected with a raw water high-pressure pipe 8 through a manual-automatic integrated valve 7, and the manual-automatic integrated valve 7 is used for controlling the delivery of high-pressure water.

In addition, the overall diameter of the inner ring pipe 1 and the overall diameter of the outer ring pipe 2 are set according to the humidification requirement, so that high-pressure water is uniformly filled into the inner ring pipe 1, the outer ring pipe 2 and the connecting pipe 3. The positions and the number of the steam injection holes are determined according to the wind speed and the wind pressure of the axial flow fan 9 and the size of the outlet annular pipe. The installation position of the novel steam spraying device is determined according to the installation position and the air supply direction of the axial flow fan 9 used in a workshop moisture return area, and the installation distance between the novel steam spraying device and the axial flow fan 9 is suitable for preventing atomized water and air from flowing back into the axial flow fan 9. The direction of water spray particles sprayed by all the atomizing nozzles 5 is the same as the wind flow direction of the axial flow fan 9, and the effect of fully atomizing the whole moisture return area is achieved by effectively utilizing the wind speed flow of the axial flow fan 9.

Adopt the utility model provides a novel steam spraying device for blade redrying machine moisture regain district spouts the vapour atomizing to corresponding moisture regain district, at first places the suitable position in axial fan 9's below with this steam spraying device, then installs manual and automatic valve 7, is connected novel steam spraying device and manual and automatic valve 7 and fixed firm. And (3) opening the manual-automatic integrated valve 7, and conveying the high-pressure water in the original high-pressure pipe 8 to the outer ring pipe 2, the connecting pipe 3 and the inner ring pipe 1 in the novel steam spraying device. Subsequently, the high-pressure water is sprayed out through the steam spraying holes, the steam spraying head 4 and the atomizing nozzle 5, and when the high-pressure water passes through the steam spraying head 4, the spraying pressure is increased under the action of the conical inner wall, so that the atomizing effect of the steam can be greatly improved, and the homogenization quality of a finished product is greatly improved.

It should be noted that: the above description is only the preferred embodiment of the present invention, and the scope of the present invention should not be limited once. Therefore, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel steam jet equipment for blade redrying machine moisture regain district, a serial communication port, including interior ring canal, outer ring canal and connecting pipe, the interior ring canal with outer ring canal passes through the connecting pipe links to each other and the three communicates with each other, the interior ring canal reaches the bottom of outer ring canal all is provided with a plurality of steam jet holes, every steam jet head is all installed to steam jet hole department, steam jet head and atomizing nozzle are connected.

2. The novel steam injection device for the moisture return area of the blade redrying machine as claimed in claim 1, wherein said steam injection head is a hollow structure, and is communicated with said inner circular pipe and/or said outer circular pipe through said steam injection hole.

3. The novel steam injection device for the moisture return area of the leaf redrying machine as claimed in claim 2, wherein the area of the inner wall of the steam injection head close to the steam injection hole is in a 'conical' structure, and the upper part of the inner wall is wide and the lower part of the inner wall is narrow.

4. The novel steam injection device for the moisture return area of the leaf redrying machine as claimed in claim 2, wherein the area of the inner wall of the steam injection head near the atomizing nozzle is in a 'straight cylinder' structure and is provided with internal threads.

5. The novel steam injection device for the moisture return area of a leaf redryer as claimed in claim 4, wherein said atomizing nozzle is connected to said steam injection head through said internal thread.

6. The novel steam injection device for the moisture return area of the blade redrying machine as claimed in claim 1, wherein said steam injection holes are threaded holes, and said steam injection head is connected with said inner ring tube and/or said outer ring tube by screwing.

7. The novel steam injection device for the moisture return area of a leaf redryer as claimed in claim 1, wherein a plurality of said steam injection holes are uniformly arranged along said inner collar and/or said outer collar.

8. The novel steam injection device for the moisture return area of the leaf redryer as claimed in claim 7, wherein the bottom of the inner circular tube is uniformly provided with four said steam injection holes, and the bottom of the outer circular tube is uniformly provided with eight said steam injection holes.

9. The novel steam spraying device for the moisture return area of the blade redrying machine as claimed in claim 1, wherein the outer ring pipe is connected with a water inlet pipe, the outer ring pipe is communicated with the water inlet pipe, and the outer ring pipe and the water inlet pipe are fixed through threaded connection.

10. The new steam injection device for the moisture return zone of a leaf redrying machine as claimed in claim 9, wherein said water inlet pipe is connected to the raw water high pressure pipe through an automated manual valve.