CN210097919U

CN210097919U - Sodium bicarbonate grinding and conveying device

Info

Publication number: CN210097919U
Application number: CN201920334725.2U
Authority: CN
Inventors: 浦东山; 贝宏江; 秦庆丰
Original assignee: Jiangsu Dong Ben Ingegneria Ambientale Srl
Current assignee: Jiangsu Dong Ben Ingegneria Ambientale Srl
Priority date: 2019-03-15
Filing date: 2019-03-15
Publication date: 2020-02-21
Anticipated expiration: 2029-03-15

Abstract

The utility model belongs to the technical field of dry desulfurization feeding equipment, in particular to sodium bicarbonate grinds conveyor, including the storage silo, it has first conveyer pipe to be equipped with feed inlet and intercommunication on the storage silo, it has screw conveyer to be equipped with first high pressure positive blower and intercommunication on the first conveyer pipe, screw conveyer is connected with the inverter motor transmission, and it has the second conveyer pipe to be equipped with weighing sensor and intercommunication on it, it has the frequency conversion to grind the machine to be equipped with second high pressure positive blower and intercommunication on the second conveyer pipe, the intercommunication has the third conveyer pipe on the frequency conversion grinds the machine, be equipped with the draught fan on the third conveyer pipe, and the intercommunication has injection apparatus, the last intercommunication of injection apparatus has the fourth conveyer pipe, be equipped with third high pressure positive blower and the intercommunication has deacidification tower on the fourth conveyer pipe, weighing sensor and inverter motor all. The utility model provides a how to remove the sodium bicarbonate of the corresponding particle diameter of the required ration supply of acid according to reality to effectively avoid the technical problem of caking, convenient to use, the deacidification is effectual, and is with low costs.

Description

Sodium bicarbonate grinding and conveying device

Technical Field

The utility model belongs to the technical field of dry desulfurization feeding equipment, in particular to sodium bicarbonate grinds conveyor.

Background

The flue gas generated in industrial production contains sulfides, and if the flue gas is directly discharged into the atmosphere without proper treatment, the flue gas reacts with moisture in the air to show acidity, so that environmental pollution is caused, air problems such as haze and the like are generated, and the health of human beings is seriously affected, so that deacidification treatment is required before the flue gas is discharged. In the prior art, the deacidification treatment of the flue gas is generally carried out manually by using pre-purchased sodium bicarbonate with corresponding specifications, and the following defects are obviously existed: firstly, sodium bicarbonate is easy to damp and agglomerate, so that the phenomenon of poor dispersion of sodium bicarbonate powder can occur during use, the chemical absorption efficiency is greatly reduced, and the deacidification effect is poor; secondly, when the sodium bicarbonate is used, the specification requirements of the particle size of the sodium bicarbonate are different according to the actual situation, and the pre-purchased particle size of the sodium bicarbonate is determined, and the smaller the particle size of the sodium bicarbonate is, the higher the price is, so that the purchasing cost is increased if the pre-purchased particle size is smaller than the actual requirement, otherwise, the deacidification effect is poor; thirdly, the sprayed sodium bicarbonate can not be quantitatively supplied, and the waste is caused by too much supply, so that the use cost is increased, and the deacidification effect is poor caused by too little supply.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art existence, the utility model provides a sodium bicarbonate grinds conveyor, its technical problem who solves is how to remove the required ration according to the actual sodium bicarbonate of the corresponding particle diameter of sour needs to effectively avoid the caking.

For solving the technical problem, the utility model provides a following technical scheme:

sodium bicarbonate grinds conveyor, including the storage silo, it has first conveyer pipe to be equipped with feed inlet and intercommunication on the storage silo, be equipped with first high pressure positive blower on the first conveyer pipe, and the exit end intercommunication has screw conveyer, screw conveyer is connected with the inverter motor transmission, and is equipped with weighing sensor and intercommunication on it and has the second conveyer pipe, be equipped with second high pressure positive blower on the second conveyer pipe, and the exit end intercommunication has the frequency conversion to grind the machine, the last intercommunication of frequency conversion grinding machine has the third conveyer pipe, be equipped with the draught fan on the third conveyer pipe, and the exit end intercommunication has injection apparatus, the last intercommunication of injection apparatus has the fourth conveyer pipe, be equipped with third high pressure positive blower on the fourth conveyer pipe, and the exit end intercommunication has the deacidification tower, weighing sensor with inverter motor all is connected with programmable controller.

And the first conveying pipe is provided with a gate valve.

The storage bin is provided with a vibrator.

And a blade type stirrer is arranged in the storage bin.

And a sealing cover is arranged on the feed inlet.

Detachably installs the screen cloth on the inner wall of the exit end of third conveyer pipe, the mesh of screen cloth is greater than 800 meshes, the third conveyer pipe pass through the detachable heating pipe with injection apparatus intercommunication, be equipped with temperature sensor and the heating band that all is connected with programmable controller on the heating pipe.

And two ends of the heating pipe are respectively in threaded connection with the third conveying pipe and the injection device.

First screw holes are evenly formed in the side wall of the third conveying pipe, second bolt holes matched with the first screw holes are formed in the edge of the screen, and the first screw holes are connected with the second bolt holes through bolt threads.

The utility model discloses beneficial effect for prior art gained is: the device can grind the sodium bicarbonate on line, thereby realizing the technical effect of effectively avoiding the caking of the sodium bicarbonate; because the frequency conversion grinding machine is adopted, the sodium bicarbonate with different particle sizes can be ground by changing the frequency of the grinding machine, thereby realizing the technical effect of flexibly matching the requirements of different occasions on the sodium bicarbonate with different particle sizes, simultaneously reducing the purchasing threshold of the sodium bicarbonate with different specifications and saving the purchasing cost; and the reduction amount of the sodium bicarbonate in unit time is monitored in real time by arranging the weighing sensor on the spiral conveyor, the detected data is sent to the programmable controller, the programmable controller compares the data with a preset value and controls the rotating speed of the variable frequency motor according to the comparison result, so that the technical effect of quantitatively supplying the sodium bicarbonate is realized, the use is convenient, the deacidification effect is good, and the cost is low.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The invention is further described with reference to the drawings and the detailed description.

As shown in fig. 1: sodium bicarbonate grinds conveyor, including storage silo 1, it has first conveyer pipe 2 to be equipped with the feed inlet and communicate on storage silo 1, be equipped with first high pressure positive blower 3 on the first conveyer pipe 2, and the exit end intercommunication has screw conveyer 4, screw conveyer 4 is connected with inverter motor 5 transmission, and be equipped with weighing sensor 6 and communicate on it and have second conveyer pipe 7, be equipped with second high pressure positive blower 8 on the second conveyer pipe 7, and the exit end intercommunication has frequency conversion grinding machine 9, frequency conversion grinding machine 9 can grind out the sodium bicarbonate of different specification particle sizes through the frequency that changes grinding machine, thereby realize the technological effect of nimble different occasions of cooperation to the sodium bicarbonate demand of different particle sizes, also reduce the purchase threshold of sodium bicarbonate specification simultaneously and save the purchase cost. The frequency conversion grinding machine 9 is communicated with a third conveying pipe 10, the third conveying pipe 10 is provided with a draught fan 11, the outlet end of the third conveying pipe is communicated with a spraying device 12, the spraying device 12 is communicated with a fourth conveying pipe 13, the fourth conveying pipe 13 is provided with a third high-pressure fan 14, the outlet end of the fourth conveying pipe is communicated with a deacidification tower 15, and the weighing sensor 6 and the frequency conversion motor 5 are both connected with a programmable controller. In the embodiment, the weighing sensor 6 monitors the reduction amount of the sodium bicarbonate in unit time in real time, and sends the detected data to the programmable controller, and the programmable controller compares the data with a preset value and controls the rotating speed of the variable frequency motor 5 according to the comparison result, so that the technical effect of quantitatively supplying the sodium bicarbonate is realized.

In this embodiment the first transfer pipe 2 is provided with a gate valve 17, which is arranged to control the amount of sodium bicarbonate entering the screw conveyor 4.

In this embodiment, the storage silo 1 is provided with a vibrator 18, which is arranged to prevent sodium bicarbonate from bridging and caking within the storage silo 1.

In this embodiment, a paddle agitator is provided in the storage silo 1, and this arrangement also serves to prevent bridging and caking of the sodium bicarbonate in the storage silo 1.

In this embodiment, the feed inlet is provided with a cover 19, which prevents the sodium bicarbonate in the storage silo 1 from being exposed to air and being wetted and agglomerated.

In order to increase the specific surface area of the sodium bicarbonate and thus achieve better desulfurization effect, the following concrete steps are carried out: detachably installs screen cloth 20 on the inner wall of the exit end of third conveyer pipe, and in this embodiment, evenly seted up first screw hole on the lateral wall of third conveyer pipe 10, seted up on screen cloth 20 the edge with first screw hole assorted second bolt hole, first screw hole passes through bolt threaded connection with the second bolt hole, sets up like this and conveniently changes screen cloth 20. The mesh of screen cloth 20 is greater than 800 meshes, and the third conveyer pipe passes through detachable heating pipe and injection apparatus 12 intercommunication, and in this embodiment, the both ends of heating pipe respectively with third conveyer pipe, injection apparatus 12 threaded connection, set up like this and make things convenient for third conveyer pipe and injection apparatus 12 and heating pipe to assemble or dismantle. The heating pipe is provided with a temperature sensor 21 and a heating belt 22 which are both connected with a programmable controller. In this embodiment, the temperature sensor 21 detects the temperature in the heating tube in real time, the detected data is sent to the programmable controller, the programmable controller compares the data with the preset temperature, the preset temperature is more than 200 degrees because the sodium bicarbonate is expanded at a temperature higher than 800 meshes and higher than 200 degrees to increase the specific surface area, and the working state of the heating belt 22 is controlled according to the comparison result, so that the desulfurization efficiency is improved.

The working principle is as follows: during operation, the frequency of the variable frequency grinding machine 9 is adjusted according to the specification particle size of the sodium bicarbonate required actually, a preset value in a programmable controller is set according to the amount of the sodium bicarbonate required to be supplied, after the steps are completed, the sodium bicarbonate raw material purchased in advance is added into the storage bin 1, the storage bin 1 conveys the sodium bicarbonate raw material to the screw conveyor 4 through the first conveying pipe 2, the screw conveyor 4 conveys the quantitative sodium bicarbonate raw material to the variable frequency grinding machine 9 through the second conveying pipe 7, in the conveying process, the weighing sensor 6 monitors the reduction amount of the sodium bicarbonate in unit time in real time, detected data are sent to the programmable controller, the programmable controller compares the data with the preset value, and when the detected data are higher than the preset value, the programmable controller controls the rotating speed of the variable frequency motor 5 to be accelerated; otherwise, the programmable controller controls the rotating speed of the variable frequency motor 5 to be reduced, thereby achieving the purpose of quantitative conveying. Subsequently, the variable frequency mill 9 feeds the ground sodium bicarbonate of a predetermined amount and a desired particle size to the injection device 12 through the third transport pipe 10, and the injection device 12 finally feeds the sodium bicarbonate to the deacidification tower 15 through the fourth transport pipe 13.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. Sodium bicarbonate grinds conveyor, its characterized in that: comprises a storage bin (1), a feed inlet and a first conveying pipe (2) are arranged on the storage bin (1), a first high-pressure fan (3) is arranged on the first conveying pipe (2), an outlet end is communicated with a screw conveyor (4), the screw conveyor (4) is in transmission connection with a variable frequency motor (5), a weighing sensor (6) is arranged on the screw conveyor (4) and is communicated with a second conveying pipe (7), a second high-pressure fan (8) is arranged on the second conveying pipe (7), an outlet end is communicated with a variable frequency grinding machine (9), a third conveying pipe (10) is communicated on the variable frequency grinding machine (9), a draught fan (11) is arranged on the third conveying pipe (10), an outlet end is communicated with an injection device (12), a fourth conveying pipe (13) is communicated on the injection device (12), and a third high-pressure fan (14) is arranged on the fourth conveying pipe (13), and the outlet end is communicated with an acid removal tower (15), and the weighing sensor (6) and the variable frequency motor (5) are both connected with a programmable controller.

2. Sodium bicarbonate grinding and delivery device according to claim 1, characterized in that: and a gate valve (17) is arranged on the first conveying pipe (2).

3. Sodium bicarbonate grinding and delivery device according to claim 1, characterized in that: the storage bin (1) is provided with a vibrator (18).

4. Sodium bicarbonate grinding and delivery device according to claim 1, characterized in that: a paddle type stirrer is arranged in the storage bin (1).

5. Sodium bicarbonate grinding and delivery device according to claim 1, characterized in that: and a sealing cover (19) is arranged on the feed inlet.

6. Sodium bicarbonate grinding and delivery device according to claim 1, characterized in that: detachably installs screen cloth (20) on the inner wall of the exit end of third conveyer pipe, the mesh of screen cloth (20) is greater than 800 meshes, the third conveyer pipe through the detachable heating pipe with injection apparatus (12) intercommunication, be equipped with temperature sensor (21) and heating tape (22) that all are connected with programmable controller on the heating pipe.

7. Sodium bicarbonate grinding and delivery device according to claim 6, characterized in that: and two ends of the heating pipe are respectively in threaded connection with the third conveying pipe and the injection device (12).

8. Sodium bicarbonate grinding and delivery device according to claim 6, characterized in that: first screw holes are uniformly formed in the side wall of the third conveying pipe (10), second bolt holes matched with the first screw holes are formed in the edge of the screen (20), and the first screw holes are connected with the second bolt holes through bolt threads.