CN219103626U

CN219103626U - Efficient anti-adhesion centrifugal spray drying device for metaphosphate

Info

Publication number: CN219103626U
Application number: CN202223225451.4U
Authority: CN
Inventors: 孙文化; 秦宝僮; 霍林
Original assignee: Nantong Taiyang High Tech Materials Technology Co ltd
Current assignee: Nantong Taiyang High Tech Materials Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-30
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of metaphosphate production equipment, in particular to a metaphosphate efficient anti-adhesion centrifugal spray drying device, which comprises a drying tower main body, wherein a feed inlet is formed in the top of the drying tower main body, a centrifugal sprayer is arranged in the drying tower main body, a spray head is arranged at the bottom of the centrifugal sprayer, a discharge hole is formed in the bottom of the drying tower main body, a fixing sleeve is fixedly connected to the discharge hole, a fixing pin is inserted on the fixing sleeve, a cylindrical through pipe is fixedly connected to the bottom of the discharge hole, and a sealing ring is arranged on the cylindrical through pipe. According to the utility model, the recovery and mounting and dismounting structure is arranged, so that the drying yield and drying quality of the product can be effectively improved, the unsmooth air flow in the pipeline caused by particle accumulation is avoided, meanwhile, the device can be continuously dried, the practical performance of the whole device is improved, the flexibility and controllability of the whole device are enhanced, the flexibility of the whole device is improved, and the practical satisfaction degree is also improved.

Description

Efficient anti-adhesion centrifugal spray drying device for metaphosphate

Technical Field

The utility model relates to the technical field of metaphosphate production equipment, in particular to a metaphosphate efficient anti-adhesion centrifugal spray drying device.

Background

Metaphosphate is a chemical with molecular formula HPO3, and is mainly used as chemical reagent, dehydrating agent and catalyst. The metaphosphoric acid is colorless glassy, deliquescent, soluble in water and toxic to produce orthophosphoric acid H3PO 4. They are mainly used as chemical reagents, dehydrating agents, catalysts in fertilizer, water treatment, industry, mining, printing and dyeing industries, etc. Metaphosphates are irritating to the respiratory tract, contact the eyes or cause burns, permanent damage, and contact with the skin can cause severe burns.

The metaphosphate is usually prepared by high-temperature dehydration of phosphoric acid or reaction of phosphorus pentoxide with a proper amount of water, floating matters on the surface of the metaphosphate can be washed away by clean water in the metaphosphate production, and the metaphosphate after the cleaning is dried by a drying device, so that the drying is an important link in the metaphosphate production and manufacturing process.

The prior art has the following problems:

1. the existing efficient anti-adhesion centrifugal spray drying device for metaphosphate can not effectively recover metaphosphate particles in the exhaust gas flow in the drying process, so that the cost of the metaphosphate drying process is increased, meanwhile, the problem that the pipeline gas flow is not smooth due to the accumulation of most particles is avoided, the drying effect of the whole device is further affected, meanwhile, metaphosphate has irritation to respiratory tracts, if a large amount of metaphosphate escapes, certain damage is caused to operators, the safety production of the whole device is not facilitated, and in addition, most of traditional drying devices do not perform secondary drying recovery, but the drying degree of metaphosphate cannot be guaranteed only through primary gas drying;

2. the existing efficient anti-adhesion centrifugal spray drying device for metaphosphate is not provided with a safe and convenient-to-detach collecting device, most traditional centrifugal spray drying devices only use a dry box to collect the metaphosphate after drying, so that the metaphosphate is likely to react with water again, because the metaphosphate is easy to deliquesce, and secondly, the metaphosphate is also irritating to the respiratory tract, if the metaphosphate is in contact with eyes or skin, burn and even permanent damage are easy to cause, so that the safety of the whole device is reduced, the working intensity of operators is improved, and the working efficiency of the operators is further improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a metaphosphate efficient anti-adhesion centrifugal spray drying device, which solves the problem that the waste gas is inconvenient to recycle and collect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-efficient anti-adhesion centrifugal spray drying device of metaphosphate, includes the drying tower main part, drying tower main part top is provided with the feed inlet, be provided with centrifugal atomizer in the drying tower main part, centrifugal atomizer bottom is provided with the shower nozzle, drying tower main part bottom is provided with the discharge gate, fixedly connected with fixed cover on the discharge gate, it has the fixed pin to peg graft on the fixed cover, discharge gate bottom fixedly connected with cylinder siphunculus, be provided with the sealing washer on the cylinder siphunculus, be provided with the valve on the discharge gate, peg graft in the discharge gate bottom has collection device, the collection device top is provided with the through-hole, drying tower main part one side is provided with airflow heater, airflow heater one side fixedly connected with pipeline, be provided with the air-blower on the pipeline, the drying tower main part opposite side is provided with cyclone, be provided with gas-solid separation subassembly in the cyclone, the cyclone bottom is provided with pneumatic butterfly valve, the cyclone bottom is provided with the delivery port, the cyclone top is provided with the draught fan, be provided with on the filter.

As a preferable technical scheme of the utility model, three support columns which are uniformly distributed are fixedly connected to the bottom of the drying tower body, a hot gas inlet of the drying tower body is arranged at a position, close to the top, of the drying tower body, a gas outlet in the drying tower body is arranged at a position, close to the bottom, of the drying tower body, and pipelines are fixedly connected to a hot gas inlet and a gas outlet of the drying tower body.

As a preferable technical scheme of the utility model, the shape of the feeding hole is a cone, the bottom of the feeding hole is connected with an inlet in the centrifugal sprayer, the spray head is connected with an outlet in the centrifugal sprayer, and a plurality of spray holes are formed in the spray head.

As a preferable technical scheme of the utility model, the outer diameter of the fixing pin is matched with the inner diameter of the through hole, the fixing sleeve is movably inserted into the collecting device, and the number of the sealing rings is a plurality and uniformly distributed on the surface of the cylindrical through pipe.

As a preferable technical scheme of the utility model, the blower is arranged on a hot gas inlet pipeline of the drying tower main body, and the induced draft fan is arranged on an air inlet pipeline of the cyclone separator.

As a preferable technical scheme of the utility model, the air inlet of the cyclone separator is communicated with the air outlet of the drying tower main body, and a conical pipeline is arranged between the pneumatic butterfly valve and the cyclone separator.

As a preferable technical scheme of the cyclone separator, a porous plate, a filter screen and a sponge layer are arranged in the filter plate, an induced draft fan is arranged at one end of the filter plate, and the other end of the filter plate is connected with an air inlet of the cyclone separator.

Compared with the prior art, the utility model provides the efficient anti-adhesion centrifugal spray drying device for metaphosphate, which has the following beneficial effects:

1. this high-efficient anti-adhesion centrifugal spray drying device of metaphosphate makes whole device can effectually retrieve metaphosphate granule and dry once more to the waste gas after the drying through setting up centrifugal atomizer, air heater, air-blower, draught fan, cyclone, gas-solid separation subassembly and pneumatic butterfly valve, also avoided leading to the air current unsmooth in the pipeline because of the granule is piled up, this more effectual output that improves the dry product of device, also improved the drying effect of whole device to a great extent, simultaneously also further make whole device can realize the continuous production of dry metaphosphate, the product after the drying can be taken out no longer to the closing device, the practicality of whole device has been improved, flexibility and controllability of whole device have been strengthened, and the satisfaction of practicality is improved.

2. This high-efficient anti-adhesion centrifugal spray drying device of metaphosphate makes whole device can be high-efficient and safe install and dismantle collecting device in the time of collecting metaphosphate through setting up discharge gate, fixed cover, fixed pin, cylinder siphunculus, sealing washer, valve, collecting device and through-hole, has improved whole device's flexibility, has reduced operating personnel's working strength, improves whole device and gets the efficiency of material, has also improved whole device production's security simultaneously, has strengthened the harmony and the maneuverability of device for the result of use of device obtains promoting.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic side view of a portion of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 3B in accordance with the present utility model.

In the figure: 1. a drying tower main body; 2. a feed inlet; 3. a centrifugal atomizer; 4. a spray head; 5. a discharge port; 51. a fixed sleeve; 52. a fixing pin; 53. a cylindrical tube; 54. a seal ring; 6. a valve; 7. a collecting device; 71. a through hole; 8. an air flow heater; 9. a pipe; 10. a blower; 11. a cyclone separator; 111. a gas-solid separation assembly; 112. pneumatic butterfly valve; 113. a water outlet; 12. a filter plate; 13. and (5) a draught fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in the present embodiment: the efficient anti-adhesion centrifugal spray drying device for metaphosphate comprises a drying tower main body 1, wherein a feed inlet 2 is arranged at the top of the drying tower main body 1, the use convenience of the whole device is enhanced, metaphosphate passing through the feed inlet 2 can move downwards under the action of gravity, a centrifugal sprayer 3 is arranged at the inner top of the drying tower main body 1, the use of the whole device is better protected from being influenced, the operating practicability of the whole device is enhanced, a spray head 4 is arranged at the bottom of the centrifugal sprayer 3, the atomization effect of the device is greatly enhanced, the drying effect of the whole device is improved, the product quality is further improved, the operability of the device is enhanced, a discharge outlet 5 is arranged at the bottom of the drying tower main body 1, the balance of the whole device is better enhanced, the use flexibility of the whole device is effectively enhanced, a fixing sleeve 51 is fixedly connected to the discharge outlet 5, the stability of each component is effectively enhanced, the supporting force of the whole device is enhanced, the fixing pin 52 is inserted on the fixing sleeve 51, the stability among all structures of the whole device is greatly enhanced, the next installation and reuse are convenient under the condition that the whole device can be conveniently detached, the cylindrical through pipe 53 is fixedly connected to the bottom of the discharging hole 5, the operability of the whole device is enhanced more effectively, the firmness and stability in the using process are ensured, the sealing ring 54 is arranged on the cylindrical through pipe 53, the tightness of the whole device is enhanced more effectively, the air in the drying tower main body 1 can be ensured not to stay in the drying tower main body 1 through the cyclone 11, the drying effect of the device is further improved, the valve 6 is arranged on the discharging hole 5, the flexibility of the whole device is enhanced, the controllability of the whole device is more effectively enhanced, the use satisfaction of operators is improved, the collecting device 7 is inserted at the bottom of the discharging hole 5, the convenience and the safety of the whole device are enhanced, namely, the metaphosphate is avoided to escape, the metaphosphate can be effectively prevented from contacting a human body and damaging the metaphosphate, the top of the collecting device 7 is provided with the through hole 71, the airflow heater 8 is arranged on one side of the drying tower main body 1, the practicality of the whole device is effectively enhanced, the motility of the whole device is expanded, the pipeline 9 is fixedly connected with the air blower 10 on one side of the airflow heater 8, the model of the air blower 10 is B4-72, the kinetic energy of the whole device is more definitely and intuitively operated by means of the structure of the part, the whole device is connected in series, the activity of the whole device is enhanced, the cyclone separator 11 is arranged on the other side of the drying tower main body 1, the cyclone separator 11 is internally provided with the gas-solid separation component 111, the matching asymmetric condition of the whole device in the use process is avoided, the bottom of the cyclone separator 11 is expanded, the motility of the whole device is improved, the filter plate is also arranged on the top of the whole device is improved, the filter plate 13 is arranged, the air-filter plate is more clearly and the filter plate is more flexible than the whole device is arranged, the whole device is more easily cooled, the whole device is more flexible than the whole device is 13, and the filter plate is arranged on the top of the whole device is 13, and the whole device is more flexible is more easily improved, and the filter plate is 13, and the whole device is more has the performance is improved, and has the performance is improved.

In the embodiment, three support columns which are uniformly distributed are fixedly connected to the bottom of the drying tower main body 1, so that the control capability of the whole device is greatly enhanced, the practicability of the whole device is ensured, the hot gas inlet of the drying tower main body 1 is arranged at the position of the drying tower main body 1 close to the top, the gas outlet in the drying tower main body 1 is arranged at the position of the drying tower main body 1 close to the bottom, the stay time of high-temperature hot gas in the drying tower main body 1 can be greatly prolonged, the using effect of the whole device is further enhanced, the operability of the device is improved, the hot gas inlet and the gas outlet of the drying tower main body 1 are fixedly connected with pipelines 9, the transportation convenience among the whole device is more effectively enhanced, the tightness of the whole device is improved, the whole device is also convenient to control and adjust, the shape of the feed inlet 2 is a cone, the metaphosphoric acid from the feed inlet 2 is effectively and rapidly led into the drying tower main body 1 without accumulation pushing and wall hanging, the bottom of the feed inlet 2 is connected with the inlet of the centrifugal sprayer 3, the spray head 4 is connected with the outlet of the centrifugal sprayer 3, the components of the whole device are ground through matching of the whole device in the use process, the coordination of the whole device is enhanced, a plurality of spraying holes are arranged on the spray head 4, the outer diameter size of the fixing pin 52 is matched with the inner diameter size of the through hole 71, the fixing sleeve 51 is movably inserted with the collecting device 7, the position and angle range of the whole device are strictly and definitely stabilized when all structures are operated together, the situation that the whole device is mutually blocked in the operation process is avoided, the number of the sealing rings 54 is a plurality of and are uniformly distributed on the surface of the cylindrical through pipe 53, so make the leakproofness between discharge gate 5 and the collection device 7 effectively improve, avoid because of sealed inadequately leading to high temperature gas escape etc. also avoid the metaphosphate after drying to receive damp once more, blower 10 sets up on the steam inlet pipe 9 of drying tower main part 1, draught fan 13 sets up on cyclone 11's air inlet pipe 9, so effectually make the gas in the drying tower main part 1 quick follow drying tower main part 1 in the back flow out, until to cyclone 11 further dry filtration, cyclone 11's air inlet and drying tower main part 1's gas outlet intercommunication, pneumatic butterfly valve 112 and cyclone 11 are provided with taper pipeline 9 between, operating personnel have strengthened to the controllability of whole device to a great extent, also effectively avoided cyclone 11 to have the moisture to pile up in, be provided with the porous plate in the filter, filter screen and sponge layer, in the filter, the effect of having strengthened cyclone 11 and effect that the filter screen and each kind impurity are carried out filtering in the effectual to the air simultaneously, the filter screen has been strengthened to the degree, the filter screen's of the effect and the effect of cyclone 11 has been provided with cyclone 11, the filter screen is provided with the filter screen 12, the filter screen is provided with the filter screen in the filter screen 12, the effect is more effectively, the satisfactory level has been improved to the operating device when the whole device is used to the operation is satisfied, the device has been improved to the operational satisfaction has been improved.

The working principle and the using flow of the utility model are as follows: an operator opens the valve 6, the airflow heater 8, the blower 10, the cyclone separator 11 and the induced draft fan 13, at this time, high-temperature gas generated by the airflow heater 8 enters the drying tower main body 1 under the action of the blower 10, then metaphosphate is thrown into the feeding port 2, then metaphosphate is atomized and granulated further under the action of the centrifugal sprayer 3, then the metaphosphate is sprayed out of the spray head 4, at this time, the sprayed metaphosphate contacts with the high-temperature gas, moisture on the surface of the metaphosphate is instantaneously evaporated into gas, then the metaphosphate moves downwards due to self gravity until entering the collecting device 7, as high-temperature hot gas generated by the airflow heater 8 continuously enters the drying tower main body 1, the pressure in the drying tower main body 1 is increased, at this time, the high-temperature gas and the evaporated gas enter the cyclone separator 11 along the air outlet pipeline 9 of the drying tower main body 1, the metaphosphate in the gas is further recovered through the gas-solid separation component 111, the air is prevented from spreading, the harm to operators is avoided, at the same time, the moisture in the surface of the metaphosphate is instantaneously evaporated into gas, the moisture in the air is then the air is instantaneously evaporated, the vapor is dried, the metaphase is dried by the induced by gravity of the induced draft fan 13 and the induced draft fan 12, the gravity of the metaphosphate moves downwards until the metaphase enters the collecting device 7, the material is discharged from the air-separator 11, and the material is simultaneously, and the material is discharged from the air-separator 112 by opening the butterfly valve 112, at the air-separator 112, the air-separator is simultaneously, and the air-separator 112 is opened at the air-separator 112; if the material in the collecting device 7 at the discharge hole 5 is required to be taken out, the valve 6 is closed, and then the fixing pin 52 is pulled out from the fixing sleeve 51 and the through hole 71 on the collecting device 7, so that the collecting device 7 can be taken out, the metaphosphate can be effectively prevented from contacting with the skin of a human body, and the use safety of an operator is ensured.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The efficient anti-adhesion centrifugal spray drying device for metaphosphate comprises a drying tower main body (1), and is characterized in that: the utility model discloses a drying tower, including drying tower main part (1), drying tower main part (1) top is provided with feed inlet (2), the top is provided with centrifugal atomizer (3) in drying tower main part (1), centrifugal atomizer (3) bottom is provided with shower nozzle (4), drying tower main part (1) bottom is provided with discharge gate (5), fixedly connected with fixed cover (51) on discharge gate (5), peg graft on fixed cover (51) have fixed pin (52), fixedly connected with cylinder siphunculus (53) in discharge gate (5) bottom, be provided with sealing washer (54) on cylinder siphunculus (53), be provided with valve (6) on discharge gate (5), peg graft in discharge gate (5) bottom has collection device (7), collection device (7) top is provided with through-hole (71), drying tower main part (1) one side is provided with air current heater (8), air current heater (8) one side fixedly connected with pipeline (9), be provided with air-blower (10) on pipeline (9), drying tower main part (1) opposite side is provided with cyclone (11), cyclone (11) are provided with air separator (111) and are provided with pneumatic separation unit (111), the cyclone separator is characterized in that a water outlet (113) is formed in the bottom of the cyclone separator (11), a filter plate (12) is arranged at the top of the cyclone separator (11), and an induced draft fan (13) is arranged on the filter plate (12).

2. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: three support columns of evenly distributed are fixedly connected to the bottom of the drying tower body (1), a hot gas inlet of the drying tower body (1) is arranged at a position, close to the top, of the drying tower body (1), a gas outlet in the drying tower body (1) is arranged at a position, close to the bottom, of the drying tower body (1), and a pipeline (9) is fixedly connected to a hot gas inlet and a gas outlet of the drying tower body (1).

3. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: the shape of feed inlet (2) is the cone, the bottom of feed inlet (2) links to each other with the entry in centrifugal atomizer (3), shower nozzle (4) link to each other with the export in centrifugal atomizer (3), be provided with a plurality of spouts material hole on shower nozzle (4).

4. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: the outer diameter of the fixing pin (52) is matched with the inner diameter of the through hole (71), the fixing sleeve (51) is movably inserted into the collecting device (7), and the sealing rings (54) are uniformly distributed on the surface of the cylindrical through pipe (53) in a plurality.

5. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: the air blower (10) is arranged on a hot air inlet pipeline (9) of the drying tower main body (1), and the induced draft fan (13) is arranged on an air inlet pipeline (9) of the cyclone separator (11).

6. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: the air inlet of the cyclone separator (11) is communicated with the air outlet of the drying tower main body (1), and a conical pipeline (9) is arranged between the pneumatic butterfly valve (112) and the cyclone separator (11).

7. The efficient anti-blocking centrifugal spray drying device for metaphosphate according to claim 1, characterized in that: be provided with porous plate, filter screen and sponge layer in filter (12), filter (12) one end is provided with draught fan (13), the air inlet of filter (12) other end and cyclone (11) links to each other.