Tail gas treatment system for compound fertilizer production

Abstract

The utility model discloses a tail gas treatment system for compound fertilizer production, and relates to the technical field of chemical fertilizer tail gas treatment, the tail gas treatment system comprises a spraying box, the lower end of the spraying box is provided with supporting legs, the supporting legs are connected with the spraying box through welding, the number of the supporting legs is multiple, the surface of the spraying box is provided with a controller, and the controller is connected with the spraying box through welding. The controller is arranged in the spraying box and fixedly connected with the spraying box, the fixing plates are arranged in the spraying box, one side of each fixing plate is movably connected with the inner wall of the spraying box, sliding rods are arranged on the lower surfaces of the fixing plates and connected with the fixing plates in a welded mode, and filter screens are installed on the surfaces of the sliding rods. According to the scheme, the problems that an existing device cannot clean large particles and impurities in time, the device is likely to be blocked, the service life of the device is shortened, and existing market requirements cannot be met are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical fertilizer tail gas treatment, specifically to a tail gas treatment system for compound fertilizer production. BACKGROUND

[0002] Compound fertilizer refers to the fertilizer containing two or more than two kinds of nutrient elements of nitrogen, phosphorus and potassium. It has the advantages of high nutrient content, few by-products and good physical properties, and plays a very important role in balancing fertilization, improving fertilizer utilization rate and promoting high and stable yield of crops. The production process of compound fertilizer is various, and common methods include drum granulation, disc granulation, spray granulation, high tower granulation, ammoniation granulation and mixing method. Among them, drum granulation is favored by many compound fertilizer manufacturers due to its relatively small formula limitation, high yield, low investment and short construction period.

[0003] For example, the patent number CN210751966U is named a compound fertilizer production tail gas treatment device, which includes two-stage cyclone dust collector, venturi scrubber, first scrubbing liquid circulating device, scrubbing device, second scrubbing liquid circulating device, fan and electrostatic demister; two-stage cyclone dust collector, venturi scrubber, scrubbing device, fan and electrostatic demister are connected in sequence.

[0004] The above device cannot clean the larger particles and impurities in time during use, which may cause device blockage, reduce the service life of the device, and cannot meet the current market demand, so we propose a tail gas treatment system for compound fertilizer production to solve the problems mentioned above. Utility model content

[0005] The utility model aims at providing a tail gas treatment system for compound fertilizer production to solve the problems that the existing device cannot clean the larger particles and impurities in time, which may cause device blockage, reduce the service life of the device and cannot meet the current market demand.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a tail gas treatment system for compound fertilizer production, a spray box, the lower end of the spray box is provided with supporting legs, and the supporting legs are connected with the spray box through welding, and the supporting legs are provided with multiple groups, the surface of the spray box is installed with a controller, and the controller is fixedly connected with the spray box.

[0007] It also includes:

[0008] The fixed plate is arranged in the inside of the spray tank, one side of the fixed plate is movably connected with the inner wall of the spray tank, the fixed plate is provided with two groups, the lower surface of the fixed plate is provided with a sliding rod, the sliding rod is connected with the fixed plate through welding, the surface of the sliding rod is mounted with a filter screen, the filter screen is slidably connected with the sliding rod, the lower end of the filter screen is provided with a spring, the inner wall of the spray tank is mounted with a pressure sensor, the pressure sensor is fixedly connected with the inner wall of the spray tank, and the pressure sensor is located at the lower end of the filter screen.

[0009] Preferably, the bottom of the supporting leg is provided with a bottom plate, and the bottom plate is fixedly connected with the supporting leg.

[0010] Preferably, the upper end of the spray tank is provided with a water tank, and the water tank is fixedly connected with the spray tank, the surface of the water tank is provided with a water inlet pipe, and the water inlet pipe is connected with the water tank through welding, the inside of the spray tank is mounted with a spraying head, and the spraying head is provided with a plurality of groups, and one end of the spraying head is connected with the water tank.

[0011] Preferably, one side of the spray tank is provided with an air inlet pipe, and the air inlet pipe is fixedly connected with the spray tank.

[0012] Preferably, the other side of the spray tank is provided with an air outlet pipe, and the air outlet pipe is fixedly connected with the spray tank.

[0013] Preferably, the lower surface of the spray tank is provided with a water outlet pipe, and the water outlet pipe is fixedly connected with the spray tank.

[0014] Preferably, the surface of the spray tank is mounted with a switch door plate, and the switch door plate is movably connected with the spray tank, the connecting place of the switch door plate and the spray tank is mounted with a hinge, the surface of the switch door plate is provided with a handle, and the handle is connected with the switch door plate through welding.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a filter screen is set up, can with the larger particulate matter and impurity intercept, thereby make the water after spraying flow downward, thereby can with the larger particulate matter and impurity intercept on the filter screen, set up spring and pressure sensor, set threshold value after pressure sensor, cooperate the use of spring, and pressure sensor will send the reminder to terminal after reaching the set threshold value, can notify staff, make the outside know that the larger particulate matter and impurity on the filter screen are more accumulated, thereby to clean it, and simple structure, convenient operation, do not need staff to keep watch, improve the use experience greatly, improve the practicality of device, solve the traditional device cannot clean the larger particulate matter and impurity in time, possibly cause device to be blocked, reduce the service life of device's drawback. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure perspective drawing of the utility model;

[0018] Figure 2 It is the overall structure schematic diagram of the utility model;

[0019] Figure 3 It is the internal structure schematic diagram of the utility model;

[0020] Figure 4 It is the overall structure plan view of the utility model;

[0021] In the drawing: 1, spray tank;2, support leg;3, bottom plate;4, controller;5, water tank;6, water inlet pipe;7, spray head;8, air inlet pipe;9, first electromagnetic valve;10, air outlet pipe;11, fixed plate;12, slide bar;13, filter screen;14, spring;15, pressure sensor;16, switch door plate;17, handle;18, hinge;19, water outlet pipe;20, second electromagnetic valve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-3 The utility model provides an embodiment: a tail gas treatment system for compound fertilizer production, spray tank 1, the lower end of spray tank 1 is provided with support leg 2, and support leg 2 is connected with spray tank 1 through welding, and support leg 2 is provided with multiple groups, the surface of spray tank 1 is installed with controller 4, and controller 4 is fixedly connected with spray tank 1.

[0024] Also includes:

[0025] The fixed plate 11 is arranged in the inside of the spray box 1, and one side of the fixed plate 11 is movably connected with the inner wall of the spray box 1, the fixed plate 11 is provided with two groups, the lower surface of the fixed plate 11 is provided with a sliding rod 12, and the sliding rod 12 is connected with the fixed plate 11 by welding, the surface of the sliding rod 12 is mounted with a filter screen 13, and the filter screen 13 is slidably connected with the sliding rod 12, the lower end of the filter screen 13 is provided with a spring 14, the inner wall of the spray box 1 is mounted with a pressure sensor 15, and the pressure sensor 15 is fixedly connected with the inner wall of the spray box 1, and the pressure sensor 15 is located at the lower end of the filter screen 13.

[0026] When the tail gas is sprayed, the sprayed water will fall downward, when the water source containing larger particles and impurities passes through the filter screen 13, the filter screen 13 will intercept the larger particles and impurities, so that the larger particles and impurities are retained on the surface of the filter screen 13, when the larger particles and impurities on the surface of the filter screen 13 are slowly accumulated, the filter screen 13 will move downward until it abuts against the pressure sensor 15, and when the threshold value of the pressure sensor 15 is reached, a reminder will be sent to the terminal.

[0027] Please refer to Figure 2 The bottom of the supporting leg 2 is provided with a bottom plate 3, and the bottom plate 3 is fixedly connected with the supporting leg 2, and the bottom plate 3 is provided with a plurality of groups, and the bottom plate 3 can increase the stability of the device in use.

[0028] Please refer to Figure 3 The upper end of the spray box 1 is provided with a water tank 5, and the water tank 5 is fixedly connected with the spray box 1, the surface of the water tank 5 is provided with a water inlet pipe 6, and the water inlet pipe 6 is connected with the water tank 5 by welding, the inside of the spray box 1 is mounted with a spraying head 7, and the spraying head 7 is provided with a plurality of groups, one end of the spraying head 7 is connected with the water tank 5, one side of the spray box 1 is provided with an air inlet pipe 8, and the air inlet pipe 8 is fixedly connected with the spray box 1, the surface of the air inlet pipe 8 is mounted with a first electromagnetic valve 9, and the first electromagnetic valve 9 is fixedly connected with the air inlet pipe 8, the other side of the spray box 1 is provided with an air outlet pipe 10, and the air outlet pipe 10 is fixedly connected with the spray box 1, and in use, the tail gas to be treated enters the spray box 1 from the air inlet pipe 8, and then is discharged from the air outlet pipe 10.

[0029] Please refer to Figure 2 The lower surface of the spray box 1 is provided with a water outlet pipe 19, and the water outlet pipe 19 is fixedly connected with the spray box 1, and the surface of the water outlet pipe 19 is provided with a second electromagnetic valve 20, and in use, the water outlet pipe 19 can discharge the sprayed water.

[0030] Please refer to Figure 1The surface of the spraying box 1 is provided with a switch door plate 16, and the switch door plate 16 is movably connected with the spraying box 1; a hinge 18 is arranged at the connecting position of the switch door plate 16 and the spraying box 1; the surface of the switch door plate 16 is provided with a handle 17, and the handle 17 is connected with the switch door plate 16 by welding; in use, the handle 17 is applied with a force to open the switch door plate 16, so that the filter screen 13 can be replaced and cleaned.

[0031] It will be apparent to those skilled in the art that the present application is not limited to the details of the above-exemplified embodiments but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and it is intended to be encompassing of all changes and modifications which fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A tail gas treatment system for compound fertilizer production, comprising a spray box (1), wherein a support leg (2) is provided at the lower end of the spray box (1), and the support leg (2) is connected to the spray box (1) by welding, and multiple sets of the support leg (2) are provided; a controller (4) is installed on the surface of the spray box (1), and the controller (4) is fixedly connected to the spray box (1); Its features are: Also includes: A fixing plate (11) is installed inside the spray box (1), and one side of the fixing plate (11) is movably connected to the inner wall of the spray box (1). Two sets of fixing plates (11) are provided. A sliding rod (12) is provided on the lower surface of the fixing plate (11), and the sliding rod (12) is connected to the fixing plate (11) by welding. A filter screen (13) is installed on the surface of the sliding rod (12), and the filter screen (13) is slidably connected to the sliding rod (12). A spring (14) is provided at the lower end of the filter screen (13). A pressure sensor (15) is installed on the inner wall of the spray box (1), and the pressure sensor (15) is fixedly connected to the inner wall of the spray box (1). The pressure sensor (15) is located at the lower end of the filter screen (13).

2. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: The bottom of the support leg (2) is provided with a base plate (3), and the base plate (3) is fixedly connected to the support leg (2). The base plate (3) is provided with multiple sets.

3. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: The upper end of the spray box (1) is provided with a water tank (5), and the water tank (5) is fixedly connected to the spray box (1). The surface of the water tank (5) is provided with a water inlet pipe (6), and the water inlet pipe (6) is connected to the water tank (5) by welding. The inside of the spray box (1) is equipped with a spray head (7), and multiple sets of spray heads (7) are provided. One end of the spray head (7) is connected to the water tank (5).

4. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: An air inlet pipe (8) is provided on one side of the spray box (1), and the air inlet pipe (8) is fixedly connected to the spray box (1). A first solenoid valve (9) is installed on the surface of the air inlet pipe (8), and the first solenoid valve (9) is fixedly connected to the air inlet pipe (8).

5. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: An air outlet pipe (10) is provided on the other side of the spray box (1), and the air outlet pipe (10) is fixedly connected to the spray box (1).

6. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: The lower surface of the spray box (1) is provided with a water outlet pipe (19), and the water outlet pipe (19) is fixedly connected to the spray box (1). A second solenoid valve (20) is provided on the surface of the water outlet pipe (19).

7. The exhaust gas treatment system for compound fertilizer production according to claim 1, characterized in that: The surface of the spray box (1) is equipped with a switch door panel (16), and the switch door panel (16) is movably connected to the spray box (1). A hinge (18) is installed at the connection between the switch door panel (16) and the spray box (1). A handle (17) is provided on the surface of the switch door panel (16), and the handle (17) is connected to the switch door panel (16) by welding.

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