CN217247627U - Dust remover feeding device for rotary kiln flue gas treatment system - Google Patents

Abstract

The application provides a dust remover feeding device for rotary kiln flue gas processing system, dust remover feeding device is used for adding the active carbon in the sack cleaner, dust remover feeding device includes active carbon warehouse, the unloading pipe, the solenoid valve, controller and determine part, the bottom in active carbon warehouse is connected to the upper end of unloading pipe, the lower extreme of unloading pipe is connected on the sack cleaner, the solenoid valve sets up on the unloading pipe, an on-off for controlling the unloading pipe, determine part sets up on the pipeline between sack cleaner and quench tower, a dust content for detecting from the sack cleaner combustion gas, solenoid valve and determine part all are connected with the controller electricity, the controller is configured into: when the dust content detected by the detection part is higher than a preset value, the controller controls the electromagnetic valve to be opened. This application realizes automatic material conveying's function through solenoid valve, controller and determine part, and reinforced in time, the dust removal ability that lasts of guaranteeing the sack cleaner avoids appearing the gaseous effluent of pollution.

Description

Dust remover feeding device for rotary kiln flue gas treatment system

Technical Field

The application relates to the technical field of rotary kilns, in particular to a dust remover feeding device for a rotary kiln flue gas treatment system.

Background

The rotary kiln is a rotary calcining kiln, is mainly used for production of building material equipment, metallurgical materials and the like, and is widely applied due to simple structure and easy operation.

The rotary kiln can produce flue gas in the production process, and the flue gas comprises sulfur dioxide, nitrogen oxide, dust, dioxin and the like, so that the flue gas cannot be directly discharged into the air and can be discharged after being treated to meet the requirement of environmental protection.

The existing flue gas treatment system generally comprises a dust remover, a sulfur removal device, a denitration device and the like, and flue gas passes through the devices in sequence to realize the treatment of the flue gas. As the reaction proceeds, the adsorbent material in the dust separator gradually decreases, and it is necessary to add the adsorbent material to the dust separator. At present, the feeding mode is generally manual feeding, and workers are used for adding the adsorbing material into the dust remover, so that partial polluted gas can be discharged due to untimely feeding.

SUMMERY OF THE UTILITY MODEL

The application provides a dust remover feeding device for rotary kiln flue gas processing system realizes automatic material conveying's function through solenoid valve, controller and detecting element, and it is reinforced timely, guarantee the dust removal ability that lasts of sack cleaner, avoid appearing the gaseous pollutants discharge.

In order to solve the technical problem, the following technical scheme is adopted in the application:

a dust remover feeding device for a rotary kiln flue gas treatment system, the rotary kiln flue gas treatment system comprises a bag-type dust remover, a quench tower, a desulfurizing tower and a denitration tower, the bag-type dust remover, the quench tower, the desulfurizing tower and the denitration tower are sequentially communicated in series through a conveying pipeline, an air inlet of the bag-type dust remover is communicated with an air outlet of a rotary kiln, an air outlet of the denitration tower is communicated with a emptying pipe, the dust remover feeding device is used for adding active carbon into the bag-type dust remover, the dust remover feeding device comprises an active carbon storage bin, a discharging pipe, an electromagnetic valve, a controller and a detection part, the upper end of the discharging pipe is connected to the bottom of the active carbon storage bin, the lower end of the discharging pipe is connected to the bag-type dust remover, the electromagnetic valve is arranged on the discharging pipe and used for controlling the on-off of the discharging pipe, the detection part set up in the sack cleaner with on the pipeline between the quench tower for detect follow the dust content of sack cleaner combustion gas, the solenoid valve with the detection part all with the controller electricity is connected, the controller is configured to: when the dust content detected by the detection part is higher than a preset value, the controller controls the electromagnetic valve to be opened.

Compare in prior art, this rotary kiln flue gas processing system is including the sack cleaner, quench tower, desulfurizing tower and the denitration tower that concatenate the intercommunication in proper order, and the flue gas that produces when the rotary kiln loops through the back, can reach the dust removal, remove dioxin, the purpose of desulfurization and denitration to perfect flue gas processing system's function, make this flue gas processing system can carry out comprehensive processing to the flue gas, satisfy the requirement of environmental protection. Simultaneously, adopt dust remover feeding device to add the active carbon in the sack cleaner, this dust remover feeding device includes active carbon warehouse, the unloading pipe, the solenoid valve, controller and test part, the test part detectable is followed the dust content of dust remover combustion gas, when the dust content is higher than the default, test part sends the signal to the controller, the solenoid valve is opened in the controller control, the active carbon in the active carbon warehouse can fall to the sack cleaner under the effect of gravity in, guarantee the dust collection ability of sack cleaner, excellent in use effect. The mode realizes the function of automatic feeding through the electromagnetic valve, the controller and the detection part, the feeding is timely, the continuous dust removal capacity of the bag-type dust remover is ensured, and the discharge of polluted gas is avoided.

In an embodiment of this application, the lower part in active carbon warehouse is the infundibulate, the unloading pipe is coaxial to be set up in the bottom in active carbon warehouse.

In an embodiment of the application, the inner wall of the activated carbon storage bin is provided with an anti-sticking layer.

In an embodiment of the present application, a transparent viewing window is disposed on a sidewall of the activated carbon storage bin.

In an embodiment of this application, the unloading pipe is including being responsible for and a plurality of branch pipe, and is a plurality of the quantity of branch pipe with the quantity of the dust removal filter bag in the sack cleaner equals, and is a plurality of the lower extreme one-to-one of branch pipe connect in the top of dust removal filter bag, it is a plurality of the upper end of branch pipe all connect in the lower extreme of being responsible for, the solenoid valve set up in be responsible for on.

In an embodiment of the application, the diameter of the main pipe is larger than the diameter of the branch pipe.

In an embodiment of the application, the diameter of a plurality of said branch pipes decreases in sequence in the direction of movement of the flue gases.

In an embodiment of the present application, the number of the branch pipes is 4.

In an embodiment of this application, still include the fan, the fan passes through the pipe chute and connects in be responsible for on the pipe.

In an embodiment of the present application, the detection component is a pipeline dust content detector.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a charging device of a dust remover for a flue gas treatment system of a rotary kiln according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a charging device of a dust remover for a flue gas treatment system of a rotary kiln according to another embodiment of the present application;

fig. 3 is a schematic structural diagram of a feeding device of a dust remover for a flue gas treatment system of a rotary kiln according to still another embodiment of the present application.

Reference numerals are as follows:

100. a bag-type dust collector; 200. a quench tower; 300. a desulfurizing tower; 400. a denitration tower; 500. a delivery conduit; 600. a rotary kiln; 700. emptying the pipe; 800. a dust remover feeding device; 810. storing the activated carbon in a warehouse; 811. a transparent viewing window; 820. a discharging pipe; 821. a main pipe; 822. a branch pipe; 830. an electromagnetic valve; 840. a detection section; 850. a fan; 860. and (4) a pipe chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort also belong to the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Some nouns are explained first:

the organic glass is a high molecular compound polymerized by methyl methacrylate, and has better transparency and chemical stability.

The dust content detector for pipeline adopts the static charge measuring principle, and the sensor can sense the static signal to measure the dust concentration. The instrument system utilizes an electrostatic charge measurement method and adopts a dynamic charge method principle, and in the process of conveying the gas-solid two-phase fluid containing dust particles, the dust particles are charged due to collision and friction between the dust particles and the inner wall of the pipeline, so that an electrostatic field is formed. When charged dust particles pass through the measuring electrode, the measuring electrode induces positive and negative charges, the charges form current signals in transfer motion, and the size of the alternating current signals is in direct proportion to the mass content of the dust. The electric signal is further amplified and processed to measure the dust concentration.

Fig. 1 is a schematic structural diagram of a feeding device of a dust remover for a flue gas treatment system of a rotary kiln according to an embodiment of the present application. The embodiment of the application provides a dust remover feeding device for rotary kiln flue gas processing system, as shown in fig. 1, this rotary kiln flue gas processing system includes sack cleaner 100, quench tower 200, desulfurizing tower 300 and denitration tower 400, wherein sack cleaner 100 is used for absorbing smoke and dust and dioxin, quench tower 200 is used for the heat transfer, make the temperature of flue gas reduce, desulfurizing tower 300 is arranged in absorbing the sulfur dioxide in the flue gas, denitration tower 400 is arranged in absorbing the nitrogen oxide in the flue gas, this dust remover feeding device 800 installs the top at sack cleaner 100, be used for adding the active carbon in sack cleaner 100.

As shown in fig. 1, the sack cleaner 100, the quench tower 200, desulfurizing tower 300 and denitration tower 400 are connected in series and are communicated in proper order through pipeline 500, the air inlet of sack cleaner 100 communicates in the gas outlet of rotary kiln 600, the gas outlet and the evacuation pipe 700 of denitration tower 400 communicate, thereby make the flue gas that the rotary kiln 600 produced loop through sack cleaner 100, quench tower 200, desulfurizing tower 300 and denitration tower 400, accomplish the processing to the flue gas, at last through handling, the gas that accords with the environmental protection requirement is arranged to the air through evacuation pipe 700.

It should be noted that the structures of the quenching tower 200, the desulfurization tower 300, and the denitration tower 400 may be implemented by using an existing scheme, and detailed description thereof is omitted.

Dust remover feeding device 800 includes active carbon warehouse 810, unloading pipe 820, solenoid valve 830, controller (not shown in the figure) and test part 840, the bottom in active carbon warehouse 810 is connected to the upper end of unloading pipe 820, the lower extreme of unloading pipe 820 is connected on sack cleaner 100, solenoid valve 830 sets up on unloading pipe 820, be used for controlling the break-make of unloading pipe 820, test part 840 sets up on the pipeline 500 between sack cleaner 100 and quench tower 200, be used for detecting the dust content of the gaseous exhalant from sack cleaner 100, solenoid valve 830 and test part 840 all are connected with the controller electricity, the controller is configured to: when the dust content detected by the detecting part 840 is higher than a preset value, the controller controls the solenoid valve 830 to be opened.

Compared with the prior art, this rotary kiln flue gas processing system is including the sack cleaner 100, quench tower 200, desulfurizing tower 300 and the denitration tower 400 that are established ties the intercommunication in proper order, and the flue gas that produces when the rotary kiln loops through the back, can reach the purpose of removing dust, removing dioxin, desulfurization and denitration to perfect flue gas processing system's function, make this flue gas processing system can carry out comprehensive processing to the flue gas, satisfy the requirement of environmental protection. Meanwhile, the dust remover feeding device 800 is adopted to add the activated carbon into the bag-type dust remover 100, the dust remover feeding device 800 comprises an activated carbon storage bin 810, a discharging pipe 820, an electromagnetic valve 830, a controller and a detection part 840, the detection part 840 can detect the dust content of gas discharged from the bag-type dust remover 100, when the dust content is higher than a preset value, the detection part 840 sends a signal to the controller, the controller controls the electromagnetic valve 830 to be opened, the activated carbon in the activated carbon storage bin 810 can fall into the bag-type dust remover 100 under the action of gravity, the dust removing capacity of the bag-type dust remover 100 is ensured, and the using effect is good. The mode realizes the function of automatic feeding through the electromagnetic valve 830, the controller and the detection part 840, the feeding is timely, the continuous dust removing capacity of the bag-type dust collector 100 is ensured, and the discharge of polluted gas is avoided.

To facilitate the blanking, in some embodiments, as shown in fig. 1, the lower portion of the activated carbon bin 810 is funnel-shaped, and the blanking pipe 820 is coaxially disposed at the bottom of the activated carbon bin 810. The funnel-shaped lower part makes the active carbon concentrate at the funnel-shaped bottom when falling, and the blanking pipe 820 is arranged at this bottom, is convenient for the active carbon to fall, discharges from the active carbon warehouse 810.

In order to prevent the adhesion of activated carbon on the inner wall of activated carbon silo 810, in some embodiments, the inner wall of activated carbon silo 810 is equipped with antiseized layer, and antiseized layer can play the effect of avoiding the activated carbon adhesion, guarantees that the activated carbon falls smoothly, avoids the adhesion on the inner wall of activated carbon silo 810.

In some embodiments, as shown in fig. 1, a transparent viewing window 811 is provided on a sidewall of the activated carbon bin 810, and a user can see the content of activated carbon in the activated carbon bin 810 through the transparent viewing window 811, so that activated carbon can be timely supplemented into the activated carbon bin 810.

Fig. 2 is a schematic structural diagram of a feeding device of a dust remover for a flue gas treatment system of a rotary kiln according to another embodiment of the present application. Generally, the bag-type dust collector 100 includes a plurality of dust collection filter bags to increase the dust collection capacity of the bag-type dust collector 100. Therefore, in some embodiments, as shown in fig. 2, the feeding pipe 820 includes a main pipe 821 and a plurality of branch pipes 822, the number of the plurality of branch pipes 822 is equal to the number of the dust removing filter bags in the bag dust remover 100, the lower ends of the plurality of branch pipes 822 are connected above the dust removing filter bags in a one-to-one correspondence manner, the upper ends of the plurality of branch pipes 822 are connected to the lower end of the main pipe 821, and the electromagnetic valve 830 is disposed on the main pipe 821. Activated carbon is respectively added into the dust removing filter bags through the branch pipes 822, so that the dust removing capability of the dust removing filter bags is kept.

In some embodiments, main pipe 821 has a diameter greater than the diameter of branch pipe 822. The lower end of main pipe 821 is connected to a plurality of branch pipes 822, and main pipe 821 should have a diameter larger than that of branch pipes 822 so that the flow rate of the activated carbon in main pipe 821 is substantially equal to the total flow rate of the activated carbon in the plurality of branch pipes 822. For example, the diameter of main pipe 821 may be 1.5 times, 2 times, etc. of the diameter of branch pipe 822, which is not limited herein and may be adjusted as appropriate according to the actual situation.

Fig. 3 is a schematic structural diagram of a feeding device of a dust remover for a flue gas treatment system of a rotary kiln according to still another embodiment of the present application. Because the plurality of dust removing filter bags along the moving direction of the flue gas are contacted with the flue gas in sequence to treat the flue gas, the consumption of the active carbon in the plurality of dust removing filter bags is reduced in sequence. In some embodiments, as shown in FIG. 3, the diameter of each of the branches 822 communicating with the plurality of dust filter bags may be sequentially reduced along the moving direction of the flue gas such that the charged amount and the consumed amount of the activated carbon are substantially matched.

To facilitate viewing of the fall, in some embodiments, main pipe 821 and branch pipe 822 are made of plexiglass. The organic glass is a transparent material, so that a user can see the falling of the activated carbon from the outside and can see whether the activated carbon is blocked or not so as to be treated in time.

In some embodiments, parent pipe 821 is integrally formed with branch pipe 822. The main pipe 821 and the branch pipe 822 are integrally formed, so that the main pipe 821 and the branch pipe 822 are integrally manufactured without being installed again, the field installation steps are reduced, and the installation time is saved.

In some embodiments, as shown in FIG. 2, the number of branches 822 is 4. The number of branches 822 is related to the number of filter bags, and 4 filter bags require 4 branches 822. Of course, as the number of dust filter bags changes, the number of branches 822 will also change. The specific number of branches 822 is not limited herein.

To facilitate the fall of the activated carbon, in some embodiments, as shown in FIG. 3, the dust collector loading unit 800 further comprises a fan 850, the fan 850 connected to the main pipe 821 by an inclined pipe 860. The end of the inclined pipe 860 connected with the main pipe 821 is lower than the end of the inclined pipe 860 connected with the fan 850, namely, the wind blown by the fan 850 obliquely and downwards enters the main pipe 821 to assist the falling of the activated carbon, so that the blanking is facilitated, and the blockage is prevented.

Specifically, in some embodiments, the detecting component 840 is a pipeline dust content detector, and the pipeline dust content detector can detect the dust content of the flue gas coming out of the bag-type dust collector 100, and the detection result is accurate and the detection is sensitive.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A dust remover feeding device for a rotary kiln flue gas treatment system, the rotary kiln flue gas treatment system comprises a bag-type dust remover, a quench tower, a desulfurizing tower and a denitrifying tower, the bag-type dust remover, the quench tower, the desulfurizing tower and the denitrifying tower are sequentially communicated in series through a conveying pipeline, an air inlet of the bag-type dust remover is communicated with an air outlet of the rotary kiln, an air outlet of the denitrifying tower is communicated with an emptying pipe, and the rotary kiln flue gas treatment system is characterized in that,

dust remover feeding device be used for to add the active carbon in the sack cleaner, dust remover feeding device includes active carbon warehouse, unloading pipe, solenoid valve, controller and test element, the upper end of unloading pipe connect in the bottom in active carbon warehouse, the lower extreme of unloading pipe connect in on the sack cleaner, the solenoid valve set up in on the unloading pipe, be used for control the break-make of unloading pipe, test element set up in the sack cleaner with on the pipeline between the quench tower, be used for detecting the follow the dust content of sack cleaner combustion gas, the solenoid valve with test element all with the controller electricity is connected, the controller is configured into: when the dust content detected by the detection part is higher than a preset value, the controller controls the electromagnetic valve to be opened.

2. The dust collector feeding device for the flue gas treatment system of the rotary kiln as recited in claim 1, wherein the lower portion of the activated carbon storage bin is funnel-shaped, and the feeding pipe is coaxially disposed at the bottom of the activated carbon storage bin.

3. The dust collector feeding device for the rotary kiln flue gas treatment system as claimed in claim 1, wherein the inner wall of the activated carbon storage bin is provided with an anti-sticking layer.

4. The dust collector feeding device for the rotary kiln flue gas treatment system as claimed in claim 1, wherein a transparent observation window is arranged on the side wall of the activated carbon storage bin.

5. The dust collector feeding device for the rotary kiln flue gas treatment system as claimed in claim 1, wherein the feeding pipe comprises a main pipe and a plurality of branch pipes, the number of the branch pipes is equal to the number of the dust-removing filter bags in the bag-type dust collector, the lower ends of the branch pipes are connected above the dust-removing filter bags in a one-to-one correspondence manner, the upper ends of the branch pipes are connected to the lower end of the main pipe, and the electromagnetic valve is arranged on the main pipe.

6. The precipitator charging device for a rotary kiln flue gas treatment system in accordance with claim 5, wherein the diameter of the main pipe is larger than the diameter of the branch pipe.

7. The precipitator charging device for a rotary kiln flue gas treatment system in accordance with claim 6, wherein the diameters of the plurality of branch pipes decrease in sequence in the moving direction of the flue gas.

8. The deduster charging apparatus for flue gas treatment system of rotary kiln according to claim 5 wherein the number of said branch pipes is 4.

9. The dust collector feeding device for the flue gas treatment system of the rotary kiln as claimed in claim 5, further comprising a fan, wherein the fan is connected to the main pipe through an inclined pipe.

10. The charging device of a dust collector for a flue gas treatment system of a rotary kiln according to any one of claims 1 to 9, wherein the detection component is a pipeline dust content detector.

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