CN219355740U

CN219355740U - Drying rotary kiln

Info

Publication number: CN219355740U
Application number: CN202320478656.9U
Authority: CN
Inventors: 吴志全
Original assignee: Fujian Sanmingsen Cube Carbon Industry Co ltd
Current assignee: Fujian Sanmingsen Cube Carbon Industry Co ltd
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-07-18
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a drying rotary kiln, relates to the technical field of rotary kilns, and solves the problem that the environment is polluted when the tail gas in the rotary kiln contains a large amount of particles and impurities and gas which harm air and is directly discharged into the air. The utility model comprises a drying rotary kiln body, and further comprises a tail gas treatment tower connected with a tail gas outlet of the drying rotary kiln body and used for treating tail gas generated by the drying rotary kiln body, wherein a plurality of guide plates perpendicular to an air inlet are arranged in the tail gas treatment tower, a spray pipe used for spraying the tail gas is arranged above the guide plates, the top of the tail gas treatment tower is connected with an air outlet pipe, and a filtering component used for filtering the sprayed tail gas is arranged in the air outlet pipe. The beneficial effects of the utility model are as follows: through being provided with the tail gas treatment tower, can handle the tail gas that the stoving rotary kiln produced, make it accord with the standard of emission, more environmental protection.

Description

Drying rotary kiln

Technical Field

The utility model relates to the technical field of rotary kilns, in particular to a drying rotary kiln.

Background

The existing active carbon is divided into wooden carbon and coal carbon, the wooden carbon is made of byproducts (such as wood chips, slabs and bamboo joints) of bamboo and wood processing, tree roots, bamboo roots and fruit shells (such as coconut shells and fruit shells) as raw materials through carbonization and activation processes, and the coal carbon is made of coal as raw material through an activation process. The existing production method of the wooden charcoal is divided into a physical method and a chemical method, no chemical substance is added in the process of producing the wooden charcoal by the physical method, and the raw materials are carbonized and activated to form the active charcoal only in a high-temperature state. The existing production method of the coal charcoal is mainly a physical method, and the method is mainly that the coal raw material is activated by gas (such as steam, air, flue gas and the like) at a certain high temperature. The rotary kiln for drying is needed in the activation of the activated carbon.

The tail gas in the existing active carbon rotary kiln contains a large amount of particulate matters, impurities and gases which harm air, and the environment can be polluted by directly discharging the particulate matters and the impurities and the gases into the air.

Disclosure of Invention

The utility model aims to solve the problems that the tail gas in the existing active carbon rotary kiln contains a large amount of particles and impurities and gases which harm air, and the environment is polluted when the tail gas is directly discharged into the air.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the rotary kiln of drying, it includes the rotary kiln body of drying, its characterized in that: the device comprises a rotary kiln body, a rotary kiln gas inlet, a rotary kiln gas outlet, a rotary kiln gas inlet and a rotary kiln gas outlet, wherein the rotary kiln gas outlet is connected with the rotary kiln gas outlet;

a spray pipe for spraying the tail gas is arranged above the guide plate, a plurality of spray heads are uniformly distributed on the inner peripheral wall of the spray pipe, a water pump for supplying water to the spray pipe is arranged on the outer side wall of the tail gas treatment tower, the water outlet end of the water pump is connected with the spray pipe through a water supply pipe, the water inlet end of the water pump is connected with a water suction pipe, and the water suction pipe is connected with an external water storage mechanism;

the tail gas treatment tower is characterized in that the bottom of the tail gas treatment tower is connected with a sewage discharge pipe for discharging sprayed sewage, the top of the tail gas treatment tower is connected with an air outlet pipe, and a filtering component for filtering the sprayed tail gas is arranged in the air outlet pipe.

The further improvement is that: the guide plates are arranged at intervals in the width direction of the tail gas treatment tower, and the heights of the guide plates are sequentially reduced in a gradient manner along the width direction of the recovery device body from one side close to the air inlet.

The further improvement is that: the filter assembly comprises a first filter screen, a second filter screen and a third filter screen which are sequentially arranged in the air outlet pipe from bottom to top.

The further improvement is that: the first filter screen is a glass fiber filter screen.

The further improvement is that: and the second filter screen is a graphene filter screen.

The further improvement is that: the third filter screen is a polyvinyl chloride filter screen.

The further improvement is that: an air inlet valve is arranged on the air inlet.

The further improvement is that: and the blow-down pipe is connected with a blow-down valve.

The further improvement is that: and the air outlet pipe is connected with an air outlet valve.

After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:

the tail gas generated by the drying rotary kiln can be treated by arranging the tail gas treatment tower, so that the tail gas meets the emission standard, and the environment is protected;

the guide plate is arranged in the tail gas treatment tower to guide the tail gas, so that the tail gas is prevented from being mixed;

the spray pipe is arranged in the tail gas treatment tower, so that particles in the tail gas can be sprayed, impurities in the tail gas can be removed better, and meanwhile, the spray water can cool the tail gas;

be provided with filter component in the outlet duct, be provided with the filter screen of three-layer in the filter component, can carry out multi-level filtration to the tail gas after spraying, filter effect is better, more accords with tail gas emission's standard.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the structure of the tail gas treatment tower of the present utility model;

FIG. 3 is a schematic view of the structure of the outlet tube and the filter assembly of the present utility model;

fig. 4 is a schematic view of the structure of the shower pipe according to the present utility model.

Reference numerals illustrate: the drying rotary kiln comprises a drying rotary kiln body 1, a tail gas treatment tower 2, an air inlet 3, a blow-down pipe 4, an air outlet pipe 5, a guide plate 6, a spray pipe 7, a water supply pipe 8, a water pump 9, a water suction pipe 10, a blow-down valve 41, an air outlet valve 51, a first filter screen 52, a second filter screen 53, a third filter screen 54 and a spray head 71.

Detailed Description

Referring to fig. 1 to 4, the technical scheme adopted in this embodiment is as follows: the rotary kiln comprises a rotary kiln body 1 and a tail gas treatment tower 2 connected with a tail gas outlet of the rotary kiln body 1 and used for treating tail gas generated by the rotary kiln body 1, wherein the rotary kiln body 1 is connected with a gas inlet 3 of the tail gas treatment tower 2, and a plurality of guide plates 6 perpendicular to the gas inlet 3 are arranged in the tail gas treatment tower 2;

a spray pipe 7 for spraying the tail gas is arranged above the guide plate 6, a plurality of spray heads 71 are uniformly distributed on the inner peripheral wall of the spray pipe 7, a water pump 9 for supplying water to the spray pipe 7 is arranged on the outer side wall of the tail gas treatment tower 2, the water outlet end of the water pump 9 is connected with the spray pipe 7 through a water supply pipe 8, the water inlet end of the water pump 9 is connected with a water suction pipe 10, and the water suction pipe 10 is connected with an external water storage mechanism;

the bottom of the tail gas treatment tower 2 is connected with a sewage discharge pipe 4 for discharging sprayed sewage, the top of the tail gas treatment tower 2 is connected with an air outlet pipe 5, and a filtering component for filtering the sprayed tail gas is arranged in the air outlet pipe 5.

The guide plates 6 are arranged at intervals in the width direction of the tail gas treatment tower 2, and the heights of the guide plates 6 are sequentially reduced in a gradient manner along the width direction of the recovery device body 1 from the side close to the air inlet 3; wherein, in the height direction, a plurality of guide plates 6 are positioned in the outlet range of the air outlet and inlet 3.

Wherein, the filter assembly includes a first filter screen 52, a second filter screen 53, a third filter screen 54 which are sequentially arranged in the air outlet pipe 5 from bottom to top.

Wherein, the first filter 52 is a glass fiber filter.

Wherein, the second filter 53 is a graphene filter. The graphene filter screen has good antibacterial performance, can kill bacteria and viruses, and can purify tail gas.

Wherein, the third filter screen 54 is a polyvinyl chloride filter screen.

Wherein, the air inlet 3 is provided with an air inlet valve.

Wherein, the drain pipe 4 is connected with a drain valve 41.

Wherein, the air outlet pipe 5 is connected with an air outlet valve 51.

The working principle of the utility model is as follows: during the use, can produce tail gas after stoving rotary kiln body activates the carbomorphism to the active carbon, in the tail gas enters into the tail gas treatment tower through the air inlet, flow upwards through the refluence of a plurality of guide plate, through the outside clear water of water pump extraction, send the shower, spray the shower nozzle blowout on the inner peripheral wall of shower, cool off the tail gas and spray, impurity such as particulate matter in the tail gas spray whereabouts down, afterwards discharge through the blow off pipe, the tail gas after spraying rises, filter unit in the outlet duct, the glass fiber filter screen in the filter unit, the graphite alkene filter screen, the polyvinyl chloride filter screen carries out multilayer filtration to it, the tail gas after the filtration is cleaner, accord with the requirement of emission, there is the outlet duct to discharge afterwards.

While the basic principles and main features of the present utility model and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents. The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims

1. The rotary kiln of drying, it includes the rotary kiln body of drying, its characterized in that: the device comprises a rotary kiln body, a rotary kiln gas inlet, a rotary kiln gas outlet, a rotary kiln gas inlet and a rotary kiln gas outlet, wherein the rotary kiln gas outlet is connected with the rotary kiln gas outlet;

2. The rotary kiln of claim 1, wherein: the guide plates are arranged at intervals in the width direction of the tail gas treatment tower, and the heights of the guide plates are sequentially reduced in a gradient manner along the width direction of the recovery device body from one side close to the air inlet.

3. The rotary kiln of claim 1, wherein: the filter assembly comprises a first filter screen, a second filter screen and a third filter screen which are sequentially arranged in the air outlet pipe from bottom to top.

4. A rotary kiln according to claim 3, wherein: the first filter screen is a glass fiber filter screen.

5. A rotary kiln according to claim 3, wherein: and the second filter screen is a graphene filter screen.

6. A rotary kiln according to claim 3, wherein: the third filter screen is a polyvinyl chloride filter screen.

7. The rotary kiln of claim 1, wherein: an air inlet valve is arranged on the air inlet.

8. The rotary kiln of claim 1, wherein: and the blow-down pipe is connected with a blow-down valve.

9. The rotary kiln of claim 1, wherein: and the air outlet pipe is connected with an air outlet valve.