CN211411027U

CN211411027U - Spray drying tower exhaust gas circulation device

Info

Publication number: CN211411027U
Application number: CN201922274467.6U
Authority: CN
Inventors: 喻贵; 韩勇军; 陈道厚; 胡军辉; 胡华成
Original assignee: Hunan Guiwei Biotechnology Co ltd
Current assignee: Hunan Guiwei Biotechnology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-04
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a spray drying tower waste gas circulating device, which comprises a cylinder body, wherein an observation window is arranged at the outer side of the cylinder body, the lower part of the cylinder body is fixed on a support frame, a centrifugal atomizer is arranged at the upper end of the cylinder body, a liquid connecting pipe is arranged on the centrifugal atomizer, the bottom end of the cylinder body is connected with a fan, and a filtering device is arranged at the side edge of the cylinder body; the filtering device comprises a box body, a baffle plate, an impurity adsorption layer, an ash removal device, a collecting box and an exhaust port, wherein the baffle plate is arranged in the box body. The utility model relates to a spray drying tower exhaust gas circulation device improves solution atomization efficiency, leads to spun liquid more fine and smooth for drying rate improves drying efficiency, and exhaust gas cyclic utilization improves exhaust-gas treatment efficiency, improves the recovery efficiency of solid reactant on the impurity adsorbed layer, prevents to block up the adsorbed layer to be favorable to the continuous use of adsorbed layer, improve life, avoid gaseous the appearance to leak.

Description

Spray drying tower exhaust gas circulation device

Technical Field

The utility model relates to a spray drying tower washs technical field, specifically is a spray drying tower exhaust gas circulation device.

Background

The spray drying tower is a device capable of simultaneously completing drying and granulation, is a common device in the fields of biological pesticide, medicine, food microorganism and the like, and has extremely serious dust pollution in the production process; the waste gas can be concentrated after passing through the spray drying tower and discharged, air is polluted, and dry material particles are carried away in the discharge, so that material waste and loss are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spray drying tower exhaust gas circulation device improves solution atomization efficiency, leads to spun liquid more fine and smooth for drying rate improves drying efficiency, and exhaust gas cyclic utilization improves exhaust-gas treatment efficiency, improves the recovery efficiency of solid reactant on the impurity adsorbed layer, prevents to block up the adsorbed layer to be favorable to the sustained use of adsorbed layer, improve life, avoid gaseous leakage to appear, solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a spray drying tower waste gas circulating device comprises a cylinder body, wherein an observation window is formed in the outer side of the cylinder body, the lower portion of the cylinder body is fixed on a support frame, a centrifugal atomizer is installed at the upper end of the cylinder body, a liquid connecting pipe is installed on the centrifugal atomizer, the bottom end of the cylinder body is connected with a fan, and a filtering device is installed on the side edge of the cylinder body;

the filtering device comprises a box body, a baffle plate, an impurity adsorption layer, an ash removal device, a collecting box and an exhaust port, wherein the baffle plate is installed in the box body, the impurity adsorption layer is arranged at the rear end of the baffle plate, the ash removal device is installed on the impurity adsorption layer, the collecting box is connected below the box body, and the exhaust port is formed in the rear end of the box body.

Preferably, a spray pipe and a spray head are arranged below the centrifugal atomizer, the spray head is arranged at the upper end of the barrel, the spray pipe penetrates through the barrel and is connected with the spray head, and a high-pressure spray hole is formed in the spray head.

Preferably, a partition board is arranged in the cylinder body, and a plurality of air guide openings are formed in the partition board.

Preferably, ash removal device includes bull stick, dead lever, brush and motor, and bull stick one end sets up in impurity adsorbed layer rear side and end connection motor, and the bull stick other end passes the impurity adsorbed layer and is connected with the dead lever, and the dead lever is connected the face mounting brush with the impurity adsorbed layer.

Preferably, the rotating rod penetrates through the impurity adsorption layer, and the connection part of the rotating rod and the impurity adsorption layer is connected through a sealing ring.

Preferably, the fixed rod and the hairbrush are arranged in two groups and are respectively arranged on two sides of the top end of the rotating rod, and the diameters of the fixed rod and the hairbrush are the same as the radius of the impurity adsorption layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a spray drying tower exhaust gas circulation device sets up a plurality of wind-guiding mouths on the baffle, passes through the material of solution state centrifugal atomizer atomizing, spouts into in the barrel by the shower nozzle again, and the fan air-dries atomizing solution, is the solid powder state ejection of compact after the material drying, through setting up high-pressure orifice in the shower nozzle, improves solution atomization efficiency, leads to spun liquid more fine and smooth for drying speed improves drying efficiency.

2. The utility model relates to a spray drying tower exhaust gas circulation device, the diameter of dead lever and brush is the same with the radius of impurity adsorbed layer, some particles after drying are along with individual gas through the box, the particles are firstly separated on the baffle, the particles are adsorbed and separated from the gas when the gas with a small amount of particles passes through the impurity adsorbed layer, finally the gas is discharged through the discharge port, the baffle and the impurity adsorbed layer effectively separate the gas from the particles, and the impurity adsorbed layer purifies the gas, the purified air is transmitted to the fan through the air pipe, a gas circulation is formed, the internal waste gas is recycled, the waste gas treatment efficiency is improved, and the rotating rod can be driven to rotate by the motor, thereby the dead lever is driven to rotate, when the dead lever rotates, the brush carries out rotary cleaning on the surface of the impurity adsorbed layer, the recovery efficiency of solid reactant on the impurity adsorbed layer is improved, the adsorbed layer is prevented from being blocked, and be favorable to the sustained use of adsorbed layer, improve life, and the leakproofness of being connected between bull stick and the impurity adsorbed layer has been guaranteed to the sealing washer, avoids gas to appear leaking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the inner structure of the barrel of the present invention;

FIG. 3 is a sectional view of the barrel structure of the present invention;

FIG. 4 is a sectional view of the internal structure of the filtering device of the present invention;

fig. 5 is a top view of the impurity-adsorbing layer structure of the present invention.

In the figure: 1. a barrel; 11. an observation window; 12. a centrifugal atomizer; 121. a liquid connection pipe; 122. a spray head; 123. a nozzle; 13. a partition plate; 131. a wind guide opening; 2. a support frame; 3. a fan; 4. a filtration device; 41. a box body; 42. a baffle plate; 43. an impurity-adsorbing layer; 431. a seal ring; 44. a dust removal device; 441. a rotating rod; 442. fixing the rod; 443. a brush; 444. a motor; 45. a collection box; 46. and (7) an exhaust port.

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. 1-3, a waste gas circulation device for a spray drying tower comprises a cylinder 1, an observation window 11 is arranged on the outer side of the cylinder 1, the lower part of the cylinder 1 is fixed on a support frame 2, a centrifugal atomizer 12 is arranged at the upper end of the cylinder 1, a liquid connection pipe 121 is arranged on the centrifugal atomizer 12, a fan 3 is connected to the bottom end of the cylinder 1, a spray pipe 123 and a spray head 122 are arranged below the centrifugal atomizer 12, the spray head 122 is arranged at the upper end of the cylinder 1, the spray pipe 123 penetrates through the cylinder 1 and is connected with the spray head 122, a high-pressure spray hole is arranged in the spray head 122, a partition plate 13 is arranged in the cylinder 1, a plurality of air guide holes 131 are arranged on the partition plate 13, a material in a solution state is atomized by the centrifugal atomizer 12 and then sprayed into the cylinder 1 by the spray head 122, the atomized solution is dried by the fan 3, the material is discharged in, the sprayed liquid is more fine and smooth, the drying speed is accelerated, and the drying efficiency is improved.

Referring to fig. 4-5, a filtering device 4 is installed at a side of a barrel 1, the filtering device 4 includes a box 41, a baffle 42, an impurity adsorbing layer 43, a dust cleaning device 44, a collecting box 45 and an exhaust port 46, the baffle 42 is installed in the box 41, the impurity adsorbing layer 43 is installed at a rear end of the baffle 42, the dust cleaning device 44 is installed on the impurity adsorbing layer 43, the collecting box 45 is connected below the box 41, the exhaust port 46 is opened at a rear end of the box 41, the dust cleaning device 44 includes a rotating rod 441, a fixing rod 442, a brush 443 and a motor 444, one end of the rotating rod 441 is installed at a rear side of the impurity adsorbing layer 43, the motor 444 is connected to a tail end of the rotating rod 441, the other end of the rotating rod 441 passes through the impurity adsorbing layer 43 and is connected to the fixing rod 442, the fixing rod 442 is installed with a brush 443 on a connection surface of the impurity adsorbing layer 43, the, and are respectively installed at both sides of the top end of the rotating rod 441, and the diameters of the fixing rod 442 and the brush 443 are the same as the radius of the impurity adsorbing layer 43, some dried particles pass through the box 41 along with the gas, the particles are firstly blocked on the baffle plate 42, the particles are adsorbed and separated from the gas when the gas with a small amount of particles passes through the impurity adsorbing layer 43, and finally the gas is discharged through the discharge port, the gas and the particles are effectively separated by the baffle plate 42 and the impurity adsorbing layer 43, and the gas is purified by the impurity adsorbing layer 43, the purified air is delivered to the fan 3 through the air pipe to form a gas circulation, so that the internal waste gas is recycled, the waste gas treatment efficiency is improved, and the rotating rod 441 can be driven by the motor 444 to rotate the fixing rod 442, while the fixing rod 442 rotates, the brush 443 performs rotary cleaning on the surface of the impurity adsorbing layer 43, so as to improve the recovery efficiency of the solid reactant on the, prevent to block up the adsorbed layer to be favorable to the sustained use of adsorbed layer, improve life, and sealing washer 431 has guaranteed the leakproofness of being connected between bull stick 441 and the impurity adsorbed layer 43, avoid gas to appear leaking.

In summary, the following steps: the utility model discloses spray drying tower exhaust gas circulation device, set up a plurality of wind-guiding mouths 131 on baffle 13, pass through centrifugal atomizer 12 atomizing with the material of solution state, spout into barrel 1 by shower nozzle 122 again, fan 3 air-dries the solution of atomizing, the material is the solid powder state ejection of compact after drying, set up high pressure orifice in shower nozzle 122, improve solution atomization efficiency, lead to spun liquid more exquisite, accelerate drying speed, improve drying efficiency, the diameter of dead lever 442 and hairbrush 443 is the same with the radius of impurity adsorbed layer 43, some particles after the drying pass through box 41 along with each gas, the particle is the separation on plate 42 at first, the particle is adsorbed and gas separation when the gas with a small amount of particles passes through impurity adsorbed layer 43, discharge port is passed through at last, plate 42 and impurity adsorbed layer 43 effectively separate gas and particle, and impurity adsorbed layer 43 purifies gas, air after will purifying is carried for fan 3 through the trachea, form a gas circulation, utilize inside exhaust gas circulation, improve exhaust-gas treatment efficiency, and accessible motor 444 drives bull stick 441 rotatory, thereby drive dead lever 442 and rotate, when dead lever 442 rotates, brush 443 carries out rotatory clearance to the surface of impurity adsorbed layer 43, improve the recovery efficiency of solid reactant on the impurity adsorbed layer 43, prevent to block up the adsorbed layer, and be favorable to the sustained use of adsorbed layer, and the service life is prolonged, and sealing washer 431 has guaranteed the leakproofness of being connected between bull stick 441 and the impurity adsorbed layer 43, avoid gas leakage to appear.

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

1. The utility model provides a spray drying tower exhaust gas circulation device, includes barrel (1), its characterized in that: an observation window (11) is formed in the outer side of the cylinder body (1), the lower portion of the cylinder body (1) is fixed on the support frame (2), a centrifugal atomizer (12) is installed at the upper end of the cylinder body (1), a liquid connecting pipe (121) is installed on the centrifugal atomizer (12), the bottom end of the cylinder body (1) is connected with a fan (3), and a filtering device (4) is installed on the side edge of the cylinder body (1);

the filtering device (4) comprises a box body (41), a baffle plate (42), an impurity adsorption layer (43), an ash cleaning device (44), a collection box (45) and an exhaust port (46), wherein the baffle plate (42) is installed in the box body (41), the impurity adsorption layer (43) is arranged at the rear end of the baffle plate (42), the ash cleaning device (44) is installed on the impurity adsorption layer (43), the collection box (45) is connected below the box body (41), and the exhaust port (46) is formed at the rear end of the box body (41).

2. The spray drying tower exhaust gas recirculation apparatus of claim 1, wherein: a spray pipe (123) and a spray head (122) are arranged below the centrifugal atomizer (12), the spray head (122) is arranged at the upper end of the cylinder body (1), the spray pipe (123) penetrates through the cylinder body (1) to be connected with the spray head (122), and a high-pressure spray hole is formed in the spray head (122).

3. The spray drying tower exhaust gas recirculation apparatus of claim 1, wherein: a partition plate (13) is arranged in the cylinder body (1), and a plurality of air guide openings (131) are formed in the partition plate (13).

4. The spray drying tower exhaust gas recirculation apparatus of claim 1, wherein: the ash removal device (44) comprises a rotating rod (441), a fixed rod (442), a brush (443) and a motor (444), one end of the rotating rod (441) is arranged at the rear side of the impurity adsorption layer (43), the tail end of the rotating rod (441) is connected with the motor (444), the other end of the rotating rod (441) penetrates through the impurity adsorption layer (43) to be connected with the fixed rod (442), and the brush (443) is installed on the connection surface of the fixed rod (442) and the impurity adsorption layer (43).

5. The spray drying tower exhaust gas recirculation apparatus of claim 4, wherein: the rotating rod (441) penetrates through the impurity adsorption layer (43), and the connection part of the rotating rod and the impurity adsorption layer is connected through a sealing ring (431).

6. The spray drying tower exhaust gas recirculation apparatus of claim 4, wherein: the fixing rod (442) and the brush (443) are arranged in two groups and are respectively installed at two sides of the top end of the rotating rod (441), and the diameters of the fixing rod (442) and the brush (443) are the same as the radius of the impurity adsorption layer (43).