Online cleaning and purging device for agricultural large-particle ammonium sulfate drying fluidized bed

Abstract

The utility model relates to the technical field of drying equipment, in particular to an agricultural large-particle ammonium sulfate drying fluidized bed on-line cleaning and purging device which comprises a shell, a pore plate is arranged in the shell, a plurality of shower nozzles are fixedly installed on the inner side of the top wall of the shell, a cleaning and purging main pipeline is arranged above the shell, and the cleaning and purging main pipeline is connected with the pore plate. The plurality of shower nozzles are respectively connected with the cleaning and purging main pipeline through branch pipelines, and the cleaning and purging main pipeline is also connected with a water inlet pipe; the bottom of the shell is connected with a liquid discharge pipeline; when the pore plate of the fluidized bed blocks stockpiling, the water inlet valve on the water inlet pipe or the air inlet valve on the steam inlet pipe is opened, and condensate water is sprayed through the shower nozzle to clean the pore plate or steam is sprayed through the shower nozzle to blow the pore plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to drying equipment technical field, concretely relates to a kind of online cleaning and purging device of agricultural large particle ammonium sulfate drying fluidized bed. BACKGROUND

[0002] Vibration fluidized bed dryer is the multipurpose drying equipment of cooling, screening, conveying and drying as a whole, and is widely used in chemical industry, light industry, medicine, food, plastic, grain and oil etc.

[0003] The existing vibration fluidized bed dryer, such as the utility model patent CN200820217657.3, discloses a vibration fluidized bed dryer, which has an upper bed body, a lower bed body, and a hole plate arranged between the upper bed body and the lower bed body. The upper end of the upper bed body is provided with a feeding port, and the upper part is provided with an air outlet. The lower end of the rear of the upper bed body is provided with a discharging port. The lower bed body is provided with an air inlet, and the middle part is provided with a vibration motor. When working, air enters the inner cavity of the lower bed body through the air inlet, and is blown upward through the through holes of the hole plate. The material enters the front part of the hole plate through the feeding port, and flows to the rear of the hole plate under the action of vibration and air blowing. Finally, the material is discharged through the discharging port.

[0004] The existing vibration fluidized bed dryer does not have a device for online cleaning and steam purging of the hole plate grid of the fluidized bed. After a period of operation, the hole plate grid of the fluidized bed is easily blocked by moist fine material, and the staff needs to clean the hole plate grid of the fluidized bed regularly. The cleaning process requires shutdown, and manual cleaning of the hole plate grid of the fluidized bed is time-consuming and labor-intensive, and affects production efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an online cleaning and purging device for agricultural large particle ammonium sulfate drying fluidized bed, which can automatically clean and purge the hole plate, to solve the defects in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An online cleaning and purging device for agricultural large particle ammonium sulfate drying fluidized bed, comprising a shell, a hole plate arranged in the shell, a plurality of shower heads fixedly installed on the inner side of the top wall of the shell, a cleaning and purging main pipeline arranged above the shell, a plurality of shower heads connected to the cleaning and purging main pipeline through branch pipelines, and a water inlet pipe connected to the cleaning and purging main pipeline. The bottom of the shell is connected to a liquid discharge pipeline.

[0008] As a further improvement, the shell is connected with a hot air pipe, the hot air pipe is connected with a fluidized bed blower, a finned heat exchanger is arranged on the hot air pipe between the fluidized bed blower and the shell, a tube pass channel of the finned heat exchanger is connected on the hot air pipe, a shell pass channel of the finned heat exchanger is connected with a steam pipe and a condensed water outlet pipe, the condensed water outlet pipe is connected with a condensed water tank, and a water inlet pipe is connected with the condensed water tank away from one end of the cleaning and purging main pipeline.

[0009] As a further improvement, the cleaning and purging main pipeline is further connected with a steam inlet pipe.

[0010] As a further improvement, the hole plate is in a strip shape, and a plurality of shower nozzles are uniformly arranged along the length direction of the hole plate.

[0011] As a further improvement, an adjusting valve is arranged on each branch pipeline.

[0012] As a further improvement, one end of the shell is provided with a feeding pipe, the other end of the shell is provided with a discharging chute, the bottom end of the discharging chute is connected with a discharging pipe, and a waste pipe is fixedly arranged on the bottom of the discharging chute, a waste valve is arranged on the waste pipe, closing the waste valve can make the material on the hole plate enter the discharging pipe through the discharging chute, and opening the waste valve can make the material in the discharging chute be discharged through the waste pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] When the hole plate of the fluidized bed is blocked and piled up, the water inlet valve on the water inlet pipe is opened or the inlet valve on the steam inlet pipe is opened, the hole plate is cleaned by the condensed water sprayed through the shower nozzle or the hole plate is purged by the steam sprayed through the shower nozzle, one person can complete the cleaning and purging operation of the hole plate, the cleaning and purging operation of the hole plate has the advantages of safety, high efficiency and convenience, thereby improving the production efficiency and reducing the production and operation cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor for those skilled in the art.

[0016] Figure 1 It is a structure schematic view of the embodiment of the utility model.

[0017] In the figure: 1 - shell; 2 - support; 3 - aperture plate; 4 - feeding pipe; 5 - discharging chute; 6 - discharging pipe; 7 - vibrating screen; 8 - hot air pipe; 9 - fluidized bed blower; 10 - finned heat exchanger; 11 - steam pipe; 12 - condensed water outlet pipe; 13 - cold air pipe; 14 - dilution air blower; 15 - air outlet pipe; 16 - induced draft fan; 17 - vibrating motor; 18 - shower nozzle; 19 - cleaning and purging main pipeline; 20 - regulating valve; 21 - water inlet pipe; 22 - water inlet valve; 23 - liquid outlet pipeline; 24 - waste pipe; 25 - steam inlet pipe; 26 - air inlet valve; 27 - bag-type dust collector. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0019] For example, the first and second aspects can be combined to form a third aspect. Figure 1As shown, an online cleaning and blowing device for drying fluidized bed of agricultural large particle ammonium sulfate, comprising a shell 1, a support 2 is fixedly installed at the bottom of the shell 1, and a hole plate 3 is arranged in the shell 1. The shell 1 and the hole plate 3 are both left-right extending long strips, a feeding pipe 4 for feeding materials to the hole plate 3 is connected to the right end of the shell 1, a discharging chute 5 for receiving materials discharged from the left end of the hole plate 3 is fixedly installed at the left end of the shell 1, the left end of the discharging chute 5 extends downward and is connected to the upper end of a discharging pipe 6, and the lower end of the discharging pipe 6 is connected to a vibrating screen 7. A hot air pipe 8 is connected to the shell 1, the hot air pipe 8 is connected to a fluidized bed blower 9, and a finned heat exchanger 10 is arranged on the hot air pipe 8 between the fluidized bed blower 9 and the shell 1, the tube passageway of the finned heat exchanger 10 is connected to the hot air pipe 8, the shell passageway of the finned heat exchanger 10 is connected to a steam pipe 11 and a condensed water outlet pipe 12, the condensed water outlet pipe 12 is connected to a condensed water tank; steam is injected into the finned heat exchanger 10 through the steam pipe 11 to heat the air in the hot air pipe 8, and hot air is injected into the shell 1 through the hot air pipe 8 when the fluidized bed blower 9 is working to heat and dry the materials on the hole plate 3. A cold air pipe 13 is also connected to the shell 1, the cold air pipe 13 is connected to a dilution air fan 14, and cold air is injected into the shell 1 through the cold air pipe 13 when the dilution air fan 14 is working to cool the materials on the hole plate 3. A plurality of air outlet pipes 15 are arranged at the top of the shell 1, the plurality of air outlet pipes 15 are connected to a bag-type dust collector 27 through pipelines, the bag-type dust collector 27 is connected to an induced draft fan 16 through pipelines, and the induced draft fan 16 drives the air in the shell 1 to enter the bag-type dust collector 27 to be dedusted when the induced draft fan 16 is working. A vibrating motor 17 is mounted on the outside of the shell 1 through bolts, and the materials on the hole plate 3 are moved to the left and discharged into the discharging chute 5 under the exciting force of the vibrating motor 17.

[0020] A plurality of shower nozzles 18 are fixedly installed on the inner side of the top wall of the shell 1 through bolts, the plurality of shower nozzles 18 are uniformly and evenly arranged along the length direction of the hole plate 3, the plurality of shower nozzles 18 are respectively connected to a cleaning and blowing main pipeline 19 through branch pipelines, and an adjusting valve 20 is arranged on each branch pipeline; a water inlet pipe 21 is also connected to the cleaning and blowing main pipeline 19, a water inlet valve 22 is arranged on the water inlet pipe 21, the water inlet pipe 21 is connected to the condensed water tank away from the cleaning and blowing main pipeline 19, and a water pump is arranged on the water inlet pipe 21. A liquid discharge pipeline 23 is connected to the bottom of the shell 1, and a liquid discharge valve is arranged on the liquid discharge pipeline 23. A waste pipe 24 is also fixedly installed at the bottom of the discharging chute 5, a waste valve is arranged on the waste pipe 24, the materials on the hole plate 3 are discharged into the discharging pipe 6 through the discharging chute 5 when the waste valve is closed, and the materials in the discharging chute 5 are discharged through the waste pipe 24 when the waste valve is opened.

[0021] When the orifice plate 3 of the fluidized bed is blocked by materials, the waste valve on the waste pipe 24 is opened, the waste valve on the waste liquid pipe 23 is opened, the water inlet valve 22 on the water inlet pipe 21 is opened, the adjusting valve 20 of the shower nozzle 18 corresponding to the position where the orifice plate 3 is blocked is opened, the water pump is started, and the condensed water is sprayed out through the shower nozzle 18 to clean the materials blocking the orifice plate 3, the solid waste on the orifice plate 3 is discharged through the waste pipe 24, and the waste liquid generated by flushing the orifice plate 3 is discharged through the waste liquid pipe 23. After the orifice plate 3 is cleaned, the water inlet valve 22 and the waste valve on the waste liquid pipe 23 are closed, hot air is injected into the shell 1 through the hot air pipe 8, and the moisture in the shell 1 is dried.

[0022] The steam inlet pipe 25 is further connected to the main blowing pipe 19, and the steam inlet pipe 25 is provided with an inlet valve 26. When the condensed water level in the condensed water tank is low, when the orifice plate 3 of the fluidized bed is blocked by materials, the waste valve on the waste pipe 24 is opened, the waste valve on the waste liquid pipe 23 is opened, the inlet valve 26 on the steam inlet pipe 25 is opened, and the adjusting valve 20 of the shower nozzle 18 corresponding to the position where the orifice plate 3 is blocked is opened. Steam is sprayed through the shower nozzle 18 to blow and melt the materials blocking the orifice plate 3. After the orifice plate 3 is blown clean, the inlet valve 26 and the waste valve on the waste liquid pipe 23 are closed, hot air is injected into the shell 1 through the hot air pipe 8, and the moisture in the shell 1 is dried.

[0023] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An online cleaning and purging device for a fluidized bed drying system for large-particle ammonium sulfate in agriculture, comprising a shell, wherein a perforated plate is provided inside the shell, characterized in that: Multiple shower heads are fixedly installed on the inner side of the top wall of the housing. A main cleaning and purging pipeline is provided on the top of the housing. The multiple shower heads are connected to the main cleaning and purging pipeline through branch pipelines. A water inlet pipe is also connected to the main cleaning and purging pipeline. A drain pipeline is connected to the bottom of the housing. The shell is connected to a hot air duct, which is connected to a fluidized bed blower. A finned heat exchanger is installed on the hot air duct between the fluidized bed blower and the shell. The tube side of the finned heat exchanger is connected to the hot air duct. The shell side of the finned heat exchanger is connected to a steam pipe and a condensate outlet pipe. The condensate outlet pipe is connected to a condensate tank. The end of the water inlet pipe away from the main cleaning and purging pipeline is connected to the condensate tank. The main cleaning and purging pipeline is also connected to a steam inlet pipe; The water inlet pipe is equipped with a water inlet valve, and the end of the water inlet pipe away from the main cleaning and purging pipeline is connected to the condensate tank. The water inlet pipe is equipped with a water pump.

2. The online cleaning and purging device for a fluidized bed drying of large-particle ammonium sulfate for agricultural use as described in claim 1, characterized in that: The orifice plate is elongated, and multiple shower heads are evenly spaced along the length of the orifice plate.

3. The online cleaning and purging device for a fluidized bed drying of large-particle ammonium sulfate for agricultural use as described in claim 1, characterized in that: Each of the aforementioned branch pipes is equipped with a regulating valve.

4. The online cleaning and purging device for a fluidized bed drying of large-particle ammonium sulfate for agricultural use as described in claim 1, characterized in that: One end of the housing is provided with a feed pipe, and the other end of the housing is provided with a discharge chute. The bottom end of the discharge chute is connected to the discharge pipe. A waste pipe is also fixedly installed at the bottom of the discharge chute. A waste valve is provided on the waste pipe. When the waste valve is closed, the material on the orifice plate enters the discharge pipe through the discharge chute. When the waste valve is opened, the material in the discharge chute is discharged through the waste pipe.

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