CN205332231U - Mud gyration combustion processing system - Google Patents

Abstract

The utility model provides a mud gyration combustion processing system, its characterized in that: including screw feeder, rotary furnace, the postcombustion stove that sets gradually, screw feeder connects the rotary furnace, a cyclone is connected through first trachea to the rotary furnace, cyclone passes through the second trachea and connects the postcombustion stove, be equipped with the draught fan on the second trachea, all be equipped with the combustor in rotary furnace and the postcombustion stove. The utility model discloses a mud gyration combustion processing system, the rotary furnace of optimizing structural design make does not have the mud through the preliminary treatment to carry out drying, burning and after -flame processing in proper order in it, and final ashing becomes the slag and discharges, for the all harmful substance of thorough decomposition, designed the postcombustion stove, uncombusted harmful substance after the rotary furnace is handled is destroyed in further burning. The system is realizing having simplified treatment process under the prerequisite that the sludge treatment posterior annulus guarantor discharged, and simple structure, processing procedure are simply controllable.

Description

Mud revolution burn processing system

Technical field

This utility model belongs to environment protection emission processing technology field, is specifically related to a kind of mud revolution burn processing system。

Background technology

The mud produced in sewage disposal process and Solid state fermentation process be a kind of loose, water content about 40% glue-dissolving shape mastic thing, light specific gravity, bulky, thixotropy strong (not easily dehydration) and very easily rancid physicochemical property, reach the complex treatment process of environment protection emission to this mud。The handling process commonly used at present is: comminuted stirring → sludge dewatering → dry-pressing formed → burning ashing, and process systems bulky, process step are various, and technology controlling and process is especially complex。

Summary of the invention

For solving above-mentioned technical problem, this utility model provides a kind of mud revolution burn processing system, and after realizing Treatment of Sludge, under the premise of environment protection emission, simplification processes technique, and simple in construction, processing procedure are simply controlled。

For reaching above-mentioned purpose, the technical solution of the utility model is as follows: a kind of mud revolution burn processing system, it is characterized in that: the feeding screw that includes setting gradually, rotary furnace, after-burning stove, described feeding screw connects back to converter, described rotary furnace connects a cyclone dust extractor by the first trachea, described cyclone dust extractor passes through the second trachea connecting secondary combustion furnace, and described second trachea is provided with air-introduced machine, is equipped with burner in described rotary furnace and after-burning stove。

In one preferred embodiment of this utility model, farther include described rotary furnace and include revolution body of heater, sewage sludge feed room and fuel combustion chamber, the outfan of described feeding screw connects sewage sludge feed room, described burner is arranged on fuel combustion indoor, described fuel combustion chamber connects cyclone dust extractor by the first trachea, described revolution body of heater is inclined relative to horizontal setting, it has the first end being positioned at low level and is positioned at the second end of a high position, described fuel combustion chamber is arranged on the first end, and its air stream outlet connects with revolution furnace interior, described sewage sludge feed room is arranged on the second end, and its sludge outlet connects with revolution furnace interior。

In one preferred embodiment of this utility model, farther include described feeding screw include feed pipe, be located in feed pipe in and be coaxial therewith arrange rotate axle and drive rotate axle rotate motor, on the outer wall of described rotation axle, coiling has rotor in the shape of a spiral, the charging aperture place of described feed pipe is provided with bucket, and its discharging opening connects with described sewage sludge feed room。

In one preferred embodiment of this utility model, farther including the vertical setting of described after-burning stove, the bottom of one side is provided with gas approach, and the position, middle and lower part of its another side is provided with pressure fan, its top is provided with air vent, and described second trachea connects after-burning stove by gas approach。

In one preferred embodiment of this utility model, farther include the angle that described revolution body of heater is inclined relative to horizontal and be 3-5 °。

In one preferred embodiment of this utility model, the bottom farther including described fuel combustion chamber is provided with slag discharge。

The beneficial effects of the utility model are: mud of the present utility model revolution burn processing system, and the rotary furnace of optimized Structure Design makes the mud not past pretreatment within it be sequentially carried out dry, burning and after-flame processes, and is finally ashing into slag and discharges；In order to decompose all of harmful substance thoroughly, devising after-burning stove, further unburnt harmful substance after rotary furnace processes is destroyed in burning。System simplifies process technique after realizing Treatment of Sludge under the premise of environment protection emission, simple in construction, processing procedure are simply controlled。

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in this utility model embodiment technology, the accompanying drawing used required in the description of embodiment technology will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。

Fig. 1 is the structural representation of this utility model preferred embodiment。

Wherein: 1-high temperature gas flow flow direction, 3-mud moving direction；

2-augers, 4-rotary furnace, 6-after-burning stove, 8-the first trachea, 10-cyclone dust extractor, 12-the second trachea, 14-air-introduced machine, 16-burner, 18-turns round body of heater, 20-sewage sludge feed room, 22-fuel combustion chamber, 24-first end, 26-the second end, 28-sludge outlet, 30-air stream outlet, 32-feed pipe, 34-rotates axle, 36-rotor, 38-bucket, 40-gas approach, 42-pressure fan, 44-air vent, 46-slag air vent。

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。

Embodiment

As shown in Figure 1, a kind of mud revolution burn processing system disclosed in the present embodiment, including the feeding screw 2 set gradually, rotary furnace 4, cyclone dust extractor 10 and after-burning stove 6, feeding screw 2 connects back to converter 4, rotary furnace 4 connects cyclone dust extractor 10 by the first trachea 8, cyclone dust extractor 10 is by the second trachea 12 connecting secondary combustion furnace 6, and the second trachea 12 is provided with air-introduced machine 14, and the setting of air-introduced machine 14 makes whole process internal system form the environment of tiny structure。

Concrete, feeding screw 2 includes feed pipe 32, internal with feed pipe 32 connect be provided with bucket 38, by conveyer belt or hoisting mechanism, mud is delivered in bucket 38, mud enters in feed pipe 32 under the action of gravity of self from bucket 38, being equipped with the rotation axle 34 being coaxial therewith arranging in feed pipe 32, rotating to coil in the shape of a spiral on the outer wall of axle 34 has rotor 36, and what driving rotation axle 34 rotated is provided with motor。Mud is sent in rotary furnace 4 after starting by feeding screw 2: rotates axle 34 after starting motor and drives rotor 36 thereon to rotate, mud is pushed by rotor 36 rotation process on the one hand to the discharging opening direction of feed pipe 32, mud extrudes with the inwall of feed pipe 32 in propelling movement process on the other hand, mud is carried out preliminary dehydration, the preliminary moisture content reducing mud。

Rotary furnace 4 includes revolution body of heater 18, sewage sludge feed room 20 and fuel combustion chamber 22, and the outfan of feed pipe 32 connects sewage sludge feed room 20, and sewage sludge feed room 20 connects cyclone dust extractor 10 by the first trachea 8。What revolution body of heater 18 entirety was inclined relative to horizontal is erected on bottom surface, after erection, it has the first end 24 being positioned at low level and the second end 26 being positioned at a high position, described fuel combustion chamber 22 is arranged on first end 24, burner 16 it is provided with in fuel combustion chamber 22, help gas inlet, combustion-supporting material charging aperture and air stream outlet 30, bottom is provided with slag discharge 46, its air stream outlet 30 is internal with revolution body of heater 18 to be connected, in fuel combustion chamber 22, combustion air is injected by air inlet, in fuel combustion chamber 22, kerosene is injected by combustion-supporting material charging aperture, the fuel such as coal dust, burner 16 starts the high temperature gas flow that after-combustion is mingled with the fuel generation about 1100 DEG C of combustion air, the high temperature gas flow produced enters in revolution body of heater 18 from air stream outlet 30；Described sewage sludge feed room 20 is arranged on the second end 26 and its sludge outlet connects with revolution body of heater 18 inside, and sludge outlet interior from it after the mud of preliminary hydro-extraction enters sewage sludge feed room 20 enters in revolution body of heater 2。Revolution body of heater 18 is obliquely installed the high temperature gas flow reverse movement each other in revolution body of heater 18 so that mud and fuel combustion chamber 22 produce, about 1100 DEG C high temperature gas flows flow from bottom to top in revolution body of heater 18 under the environment of dimension negative pressure and make to sequentially form dry section from top to bottom in revolution body of heater 18, combustion zone and burning-out zone, the mud entering revolution body of heater 18 moves from top to bottom under the promotion of body of heater gyration, sequentially pass through dry section, combustion zone and burning-out zone complete to dry, the process of burning and after-flame, the slag that the mud afterburnt is formed is discharged from slag discharge 46。When revolution body of heater 18 structure of optimization design makes process system lignin-sludge of the present utility model, mud needs not move through preprocessing process just can accomplish the burning of high combustion rate, low fuel consumption, simplifying process technique, simple in construction, processing procedure are simply controlled。

The flue gas that mud is formed after burning in rotary furnace 4 enters in cyclone dust extractor 10, the flue dust of large grained in flue gas is removed by cyclone dust extractor 10, flue gas after dedusting is sent in after-burning stove 6 through the second trachea 12, the vertical setting of after-burning stove 6, being provided with burner 16 in it, the bottom of one side is provided with gas approach 40, and the position, middle and lower part of its another side is provided with pressure fan 42, its top is provided with air vent 44, and the second trachea 12 connects after-burning stove 6 by gas approach 40。The after-burning stove 6 of design, further unburnt harmful substance after rotary furnace 4 processes is destroyed in burning, by pressure fan 42 to the combustion air injecting certain oxygen content in after-burning stove 6, after starting burner 16, unburnt harmful substance after rotary furnace 4 processes is destroyed in burning further, thorough pyrolysis toxic organic compound matter forms gas and discharges from air vent 40, follow-up then through environment protection emission after purified treatment。

It is 3 °-5 ° that utility model preferably turns round the angle that body of heater 18 is inclined relative to horizontal, and show that combustion efficiency is best when turning round angle that body of heater 18 is inclined relative to horizontal and being 3.8 °, farthest improves efficiency of combustion through continual test。

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model。The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments。Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty。

Claims (6)

1. a mud revolution burn processing system, it is characterized in that: the feeding screw that includes setting gradually, rotary furnace, after-burning stove, described feeding screw connects back to converter, described rotary furnace connects a cyclone dust extractor by the first trachea, described cyclone dust extractor passes through the second trachea connecting secondary combustion furnace, described second trachea is provided with air-introduced machine, is equipped with burner in described rotary furnace and after-burning stove。

2. mud according to claim 1 revolution burn processing system, it is characterized in that: described rotary furnace includes revolution body of heater, sewage sludge feed room and fuel combustion chamber, the outfan of described feeding screw connects sewage sludge feed room, described burner is arranged on fuel combustion indoor, described fuel combustion chamber connects cyclone dust extractor by the first trachea, described revolution body of heater is inclined relative to horizontal setting, it has the first end being positioned at low level and is positioned at the second end of a high position, described fuel combustion chamber is arranged on the first end, and its air stream outlet connects with revolution furnace interior, described sewage sludge feed room is arranged on the second end, and its sludge outlet connects with revolution furnace interior。

3. mud according to claim 1 and 2 revolution burn processing system, it is characterized in that: described feeding screw includes feed pipe, be located in feed pipe in and be coaxial therewith arranging rotate axle and drive and rotate the motor that axle rotates, on the outer wall of described rotation axle, coiling has rotor in the shape of a spiral, the charging aperture place of described feed pipe is provided with bucket, and its discharging opening connects with described sewage sludge feed room。

4. mud according to claim 3 revolution burn processing system, it is characterized in that: the vertical setting of described after-burning stove, the bottom of one side is provided with gas approach, the position, middle and lower part of its another side is provided with pressure fan, its top is provided with air vent, and described second trachea connects after-burning stove by gas approach。

5. mud according to claim 2 revolution burn processing system, it is characterised in that: the angle that described revolution body of heater is inclined relative to horizontal is 3-5 °。

6. mud according to claim 5 revolution burn processing system, it is characterised in that: the bottom of described fuel combustion chamber is provided with slag discharge。