CN218329218U

CN218329218U - Drying tower negative pressure monitoring devices

Info

Publication number: CN218329218U
Application number: CN202222355409.8U
Authority: CN
Inventors: 李小平; 王建新; 孙伟; 秦丹
Original assignee: Jiangsu Yabo Animal Health Technology Co ltd
Current assignee: Jiangsu Yabo Animal Health Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-17
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a drying tower negative pressure monitoring devices relates to drying tower monitoring technology field. The utility model discloses a tower stove and setting are in the atomizer and the air inlet subassembly of tower stove feed inlet department still include cyclone, wherein: the tower furnace sequentially comprises a first section, a second section and a third section which are communicated with each other from top to bottom, and the inner diameter of the second section is larger than that of the first section and that of the third section. The utility model discloses a second section department at whole tower body sets up and adds thickly, and set up the extension board here, thereby form an air current buffer area, through can guarantee the homogeneity of the inside air current of whole tower stove when flowing everywhere with the cyclone intercommunication in the air current buffer area, in order to reduce the big phenomenon of local air current, thereby reduce the phenomenon that the powder was brought into in the cyclone, thereby reduce the work burden to its increase, in order to reduce the influence to the inside negative pressure of whole tower stove, thereby the drying efficiency of the whole drying tower of abundant assurance.

Description

Drying tower negative pressure monitoring devices

Technical Field

The utility model relates to a drying tower monitoring facilities technical field, concretely relates to drying tower negative pressure monitoring devices.

Background

The drying tower utilizes the spray drying principle to dry the object to be dried, and the spray drying has the advantages of high drying speed, low material temperature, good dispersibility and solubility of the dried product, suitability for continuous large-scale production of particle size, relative density, water content and the like compared with other methods, so that the spray drying tower is widely applied to the fields of chemical industry, food, pharmacy and the like. When the drying tower works, the medium to be dried is pumped into the spray dryer by a pump, and the liquid is atomized into fine mist-shaped liquid drops through the atomizer and enters the lower tower furnace. The liquid drops are contacted with hot air in the drying tower, most of liquid phase is vaporized and removed in a moment, so that solid matters in the materials are dried into powder and fall into a discharge port at the bottom of the tower furnace, and then the recovery treatment is carried out.

The problem that drying tower during operation afraid of appearing is that the negative pressure in the tower stove is not enough or the scheduling problem on a high side, current drying tower is in the structure, because cyclone's inlet scoop is direct through a pipeline and inside intercommunication of tower stove, so when inhaling, the air current route only forms in one department, thereby it is inhomogeneous to lead to inside gas flow, make local air velocity too fast, solid powder is brought into cyclone by local air very easily when the whereabouts in the tower stove, thereby increase work burden for cyclone, when cyclone work efficiency reduces, cause certain influence to the inside negative pressure of tower stove very easily, thereby influence drying tower's drying efficiency. Therefore, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims at providing a drying tower with negative pressure test function monitors the negative pressure size in the drying tower at any time through the negative pressure table, and operating personnel can in time learn the negative pressure value.

In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: the utility model provides a drying tower negative pressure monitoring devices, is in including tower stove and setting the atomizer and the air inlet subassembly of tower stove feed inlet department still include cyclone, wherein:

the tower furnace sequentially comprises a first section, a second section and a third section which are communicated with each other from top to bottom, and the inner diameter of the second section is larger than that of the first section and the third section;

the joint of the first section and the second section is provided with an annular extension plate which is positioned on the inner side of the ring of the second section so as to form an airflow buffer area by matching with the second section;

the second section is uniformly communicated with a plurality of connecting pipes along the circumferential direction of the second section, and the connecting pipes are communicated with the air suction openings of the cyclone separators.

Preferably, the connecting pipe is communicated with the peripheral side wall of the second section, and an acute included angle is formed between the connecting pipe and the axial direction of the second section.

As a preferable technical scheme, the cyclone separator further comprises an annular pipe sleeved on the peripheral side of the second section in a ring mode, the plurality of connecting pipes are communicated with the annular pipe, and the annular pipe is communicated with the air suction opening of the cyclone separator.

As preferred technical scheme, the extension board from top to bottom includes the upper inclined plate and the lower crown plate of body coupling in proper order, the upper end of upper inclined plate is connected in the junction between first section and second section, and its face by self week side to middle department, highly degressive in proper order, the lower tip height of lower crown plate does not exceed second end bottommost height.

As a preferable technical scheme, a filter plate is arranged between the lower end part of the lower annular plate and the bottommost part of the second section in an intercepting manner.

According to a preferable technical scheme, a negative pressure pipeline penetrates through the furnace wall of the third section, the first end of the negative pressure pipeline is located inside the tower furnace, and the second end of the negative pressure pipeline is exposed and connected with a negative pressure meter.

As preferred technical scheme, negative pressure pipeline is along self length to first body and the second body that includes mutual intercommunication in proper order, the negative pressure table is connected on first body, the second body is vertical to, and its free end is down.

Preferably, the second pipe is located in a horizontal middle area of the third section.

The beneficial effects of the utility model reside in that: the utility model discloses a second section department at whole tower body sets up and adds thickly, and set up the extension board here, thereby form an air current buffer area, through can guarantee the homogeneity of the inside air current of whole tower stove when flowing everywhere with the cyclone intercommunication in the air current buffer area, with reduce the too big phenomenon of local air current, reduce the phenomenon that the powder was brought into in the cyclone, reduce the work burden to its increase, in order to reduce the influence to the inside negative pressure of whole tower stove, thereby the drying efficiency of the whole drying tower of abundant assurance.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is another perspective view of the present invention;

FIG. 3 is a partially-structured three-dimensional sectional view of the present invention;

figure 4 is a further perspective view of figure 3 according to the present invention;

figure 5 is a front view of figure 3 of the present invention;

reference numerals: 1. a tower furnace; 101. a first stage; 102. a second stage; 103. a third stage; 2. an atomizer; 3. an air intake assembly; 4. a cyclone separator; 5. an extension plate; 6. an air flow buffer zone; 7. a connecting pipe; 8. an annular tube; 9. an upper sloping plate; 10. a lower ring plate; 11. a filter plate; 12. a negative pressure pipeline; 1201. a first pipe body; 1202. a second tube; 13. and a negative pressure gauge.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention provides as shown in fig. 1-5, an embodiment of the present invention provides a drying tower negative pressure monitoring device, including a tower furnace 1 and an atomizer 2 and an air intake component 3 arranged at a feed inlet of the tower furnace 1, the air intake component 3 is an air blower, and the feed inlet of the tower furnace 1 is also configured with a corresponding electric heating wire, so as to provide hot air to the inside of the tower furnace 1 when feeding, and the whole device further includes a cyclone separator 4, wherein:

in terms of structure, the tower furnace 1 sequentially comprises a first section 101, a second section 102 and a third section 103 which are communicated with each other from top to bottom according to different parts, wherein the inner diameter of the second section 102 is larger than that of the first section 101 and the third section 103, the first section 101 is cylindrical, and the third section 103 is still conical, so that blanking is facilitated;

an annular extension plate 5 is formed at the joint of the first section 101 and the second section 102, extends from the inner wall of the second section 102 to the lower middle area and extends to the inner side of the ring of the second section 102, so that an airflow buffer area 6 is formed by matching with the second section 102;

the second section 102 is uniformly communicated with a plurality of connecting pipes 7 along the circumferential direction of the second section, and the connecting pipes are communicated with an air suction opening of the cyclone separator 4;

during the whole work, because cyclone 4 is to the produced effect of induced drafting of second section 102 along each local distribution of second section 102 circumferencial direction, so inside produced air current is even, and the place that the air current was siphoned away is in air current buffer area 6, when the powder drops, because gravity trend, it is difficult to up-flow, so be difficult to be brought into air current buffer area 6, compare in the structure of current drying tower, this structure can reduce whole during operation, the powder is brought into the phenomenon in cyclone 4, thereby reduce cyclone 4's work burden, in order to reduce the influence to the inside negative pressure of whole stove 1, thereby the drying efficiency of the whole drying tower of abundant assurance.

As shown in fig. 1-5, in some embodiments, the connection pipe 7 is communicated with the circumferential sidewall of the second segment 102, and an acute included angle is formed between the connection pipe 7 and the axial direction of the second segment 102, that is, the connection pipe 7 is inclined, and the air suction direction to the inside of the tower furnace 1 is upward, so that the suction force can be dispersed by the cooperation of the air buffer zone 6, and the suction force can act on the whole inside of the tower furnace 1 more uniformly.

As shown in fig. 1 to 5, in some embodiments, the cyclone separator further comprises an annular tube 8 annularly sleeved on the peripheral side of the second section 102, the plurality of connecting tubes 7 are all communicated with the annular tube 8, the annular tube 8 is communicated with the air suction opening of the cyclone separator 4, so that when the cyclone separator 4 works, the plurality of connecting tubes 7 can simultaneously generate air suction through the annular tube 8, and the air suction generated by each connecting tube 7 can be more uniform through the annular tube 8.

As shown in fig. 3-5, in some embodiments, the extension plate 5 includes an upper inclined plate 9 and a lower annular plate 10 integrally connected from top to bottom, both of which are annular, the upper end of the upper inclined plate 9 is connected to the connection between the first section 101 and the second section 102, and the height of the upper inclined plate is gradually decreased from the periphery to the middle, so as to form an inclined shape, the height of the lower end of the lower annular plate 10 is not more than the bottommost height of the second end, and when the powder falls onto the upper inclined plate 9, the powder can slide down along the inclined surface, so as to prevent the powder from accumulating on the whole extension plate 5, and the lower annular plate 10 extends to the lowest position of the second section 102, so as to fully prevent the powder from entering into the air flow buffer 6.

As shown in fig. 3-5, in some embodiments, a filter plate 11 is positioned between the lower end of the lower ring plate 10 and the bottom of the second segment 102, which is equivalent to covering the entire flow buffer region 6, thereby further reducing entrainment of powder into the flow buffer region 6.

As shown in fig. 1 to 5, in some embodiments, a negative pressure pipeline 12 is disposed through the wall of the third section 103 to communicate with the gas inside the tower furnace 1, a first end of the negative pressure pipeline 12 is located inside the tower furnace 1, and a second end is exposed and connected to a negative pressure gauge 13, so that the negative pressure inside the tower furnace 1 can be monitored in real time, and the feeding speed can be slowed down according to the situation when the negative pressure is insufficient.

As shown in fig. 3 to 5, in some embodiments, the negative pressure pipeline 12 includes a first tube 1201 and a second tube 1202 which are communicated with each other in sequence along a length direction thereof, the negative pressure gauge 13 is connected to the first tube 1201, that is, a free end of the first tube 1201, the first tube 1201 penetrates through a furnace wall, and the second tube 1202 is vertical, and a free end thereof faces downward, that is, a mouth portion faces downward, so that a situation that powder falls into the whole negative pressure pipeline 12 can be reduced, and an influence on negative pressure monitoring can be reduced.

As shown in fig. 3-5, in some embodiments, the second tube 1202 is located in a horizontal middle region of the third section 103, the middle region is most capable of reflecting the negative pressure condition inside the whole furnace, and the second tube 1202 is located at the position so that the detection data of the negative pressure meter 13 can most accurately show the negative pressure condition inside the whole furnace.

The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.

Claims

1. The utility model provides a drying tower negative pressure monitoring devices, its characterized in that is in including tower stove (1) and setting atomizer (2) and air inlet subassembly (3) of tower stove (1) feed inlet department still include cyclone (4), wherein:

the tower furnace (1) sequentially comprises a first section (101), a second section (102) and a third section (103) which are communicated with each other from top to bottom, and the inner diameter of the second section (102) is larger than that of the first section (101) and the third section (103);

the joint of the first section (101) and the second section (102) is provided with an annular extension plate (5) which is positioned on the inner side of the ring of the second section (102) and is matched with the second section (102) to form an air flow buffer area (6);

the second section (102) is uniformly communicated with a plurality of connecting pipes (7) along the circumferential direction of the second section, and the connecting pipes are communicated with the air suction openings of the cyclone separators (4).

2. The drying tower negative pressure monitoring device as claimed in claim 1, characterized in that the connecting pipe (7) is communicated with the peripheral side wall of the second section (102), and an acute included angle is formed between the connecting pipe (7) and the axial direction of the second section (102).

3. The drying tower negative pressure monitoring device according to claim 1, further comprising an annular pipe (8) annularly sleeved on the periphery of the second section (102), wherein a plurality of the connecting pipes (7) are communicated with the annular pipe (8), and the annular pipe (8) is communicated with the air suction opening of the cyclone separator (4).

4. The negative pressure monitoring device for the drying tower as claimed in claim 1, wherein the extension plate (5) comprises an upper inclined plate (9) and a lower annular plate (10) which are integrally connected from top to bottom, the upper end of the upper inclined plate (9) is connected to the connection between the first section (101) and the second section (102), the height of the upper inclined plate is gradually reduced from the periphery side to the middle of the upper inclined plate, and the height of the lower end of the lower annular plate (10) is not more than the bottommost height of the second end.

5. A drying tower negative pressure monitoring device according to claim 4, characterized in that a filter plate (11) is intercepted between the lower end of the lower ring plate (10) and the bottommost portion of the second section (102).

6. The negative pressure monitoring device for the drying tower is characterized in that a negative pressure pipeline (12) penetrates through the wall of the third section (103), the first end of the negative pressure pipeline is positioned inside the tower furnace (1), and the second end of the negative pressure pipeline is exposed and connected with a negative pressure meter (13).

7. The drying tower negative pressure monitoring device as claimed in claim 6, wherein the negative pressure pipeline (12) comprises a first pipe body (1201) and a second pipe body (1202) which are communicated with each other along the length direction thereof, the negative pressure meter (13) is connected to the first pipe body (1201), and the second pipe body (1202) is vertical and the free end of the second pipe body faces downwards.

8. Drying tower underpressure monitoring device according to claim 7, characterised in that the second tube (1202) is located in the horizontal middle area of the third section (103).