CN208237883U - A kind of dry mud directly enters furnace incineration system - Google Patents

Abstract

The utility model discloses a kind of dry mud directly to enter furnace incineration system, its innovative point is: including hopper, conveyer belt, coal handling system, defeated mud system, coal slime conversion platform and boiler, the coal handling system and defeated mud system are connect with coal slime conversion platform by threeway respectively, the hopper and coal slime conversion platform are located at the both ends of conveyer belt, the output end of the coal handling system is located at the furnace bottom of boiler, and the output end of the defeated mud system is located at the burner hearth position of boiler.The advantages of the utility model: mud cake is uniformly spread in burner hearth, and mud cake and air, fire coal after evenly mixing, can guarantee full combustion, not influence the fluidisation in lower furnace portion bed material.By the way that briquette is transported to furnace bottom, it can be effectively solved mud cake to mix with into easily bonding in coal bunker and in feeder track after fuel, put up a bridge, block the frequent phenomenon of coal that causes to break, reduce the disturbance to boiler operatiopn operating condition, and firing efficiency can be greatly improved.

Description

A kind of dry mud directly enters furnace incineration system

Technical field

The utility model relates to sludge treatment devices more particularly to a kind of dry mud directly to enter furnace incineration system.

Background technique

Sludge incineration processing is a kind of most common mode in chemical plant or municipal sludge processing, but industry is dirty It can also include usually carbon cake in mud or domestic sludge, be to burn carbon cake and sludge cake together in the prior art, adopt When burning in this way, mud cake is mixed and easily bonds, put up a bridge in coal bunker and in feeder track after matching into fuel, blocking and cause The frequent phenomenon of disconnected coal.Mud cake, which is mixed, to be fitted over coal-fired mud and enters burner hearth emulsion zone by feeder, due between coal dropping port and air distribution plate Height is 1 meter, and the biggish mud cake of particle sinks to rapidly emulsion zone lower part after entering furnace, and range of scatter is smaller, when the bed of material is compared with Gao Shiliu Change poor, is easily formed and accumulated in lower furnace portion, incomplete combustion easily causes boiler slag removal difficult, and dry mud is not easy uniformly Mix and fit in fuel, cause into furnace heat output of fuel fluctuate it is larger, be unfavorable for boiler combustion stablize.

Utility model content

It is in view of the drawbacks of the prior art and insufficient, the purpose of this utility model is to provide a kind of stable, maintenance at This low dry mud directly enters furnace incineration system.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and a kind of dry mud directly enters furnace incineration system, Innovative point is: including hopper, conveyer belt, coal handling system, defeated mud system, coal slime conversion platform and boiler, the coal handling system It is connect respectively with coal slime conversion platform by threeway with defeated mud system, the hopper and coal slime conversion platform are located at conveyer belt Both ends, the output end of the coal handling system is located at the furnace bottom of boiler, and the output end of the defeated mud system is located at the burner hearth of boiler Position.

Further, the coal handling system includes coal transportation belt, boiler coal bunker and feeder, and the feeder is located at boiler Furnace bottom, the exit of the coal transportation belt are located at the top of boiler coal bunker.

Further, mixing machine is provided in the boiler coal bunker.

Further, the defeated mud system includes dry mud conveyer belt, discharger, transition hopper, enters furnace conveyer and enter furnace Device, the discharger enter furnace conveyer and enter the top that furnace apparatus is located at boiler, it is described enter furnace apparatus be located at the fire door of boiler Place is simultaneously firmly connected with it, it is described enter furnace conveyer be located at the top into furnace apparatus and be firmly connected with it, the discharger is set It sets in the top for entering furnace conveyer, the transition hopper is arranged between adjacent boiler, and the dry mud conveyer belt is arranged in pot The top of furnace.

Further, the discharger is belt plow.

Further, the top side of the boiler is provided with defeated mud wind blower, and the defeated mud wind blower is fixed with boiler Connection.

The utility model has the beneficial effect that

The utility model enters in boiler by separately conveying mud cake and briquette, by mud cake from upper end, is made by blowing It has enough fall times after entering burner hearth between the dilute-phase zone and emulsion zone of burner hearth, and mud cake uniformly expands in burner hearth It dissipates, mud cake and air, fire coal after evenly mixing, can guarantee full combustion, not influence the fluidisation in lower furnace portion bed material.Pass through Briquette is transported to furnace bottom, can be effectively solved mud cake mix with into after fuel in coal bunker and in feeder track easily bonding, It puts up a bridge, the phenomenon that blocking causes disconnected coal frequent, reduces the disturbance to boiler operatiopn operating condition, and burning effect can be greatly improved Rate.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the left view in the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with specific embodiment party The present invention will be further described in detail for formula.It should be appreciated that the specific embodiments described herein are only to explain The utility model is not used to limit the utility model.

Referring to Fig. 1 and Fig. 2, present embodiment discloses a kind of dry mud and directly enters furnace incineration system, including hopper 1, Conveyer belt 2, coal handling system 3, defeated mud system 4, coal slime conversion platform 5 and boiler 6, coal handling system 3 and defeated mud system 4 respectively with coal Mud conversion platform 5 is connected by threeway, in use process by rotation threeway be separately connected coal handling system 3 and defeated mud system 4 from And mud cake or briquette are conveyed, it is feasible, can using manually control or inductor control by the way of.

Hopper 1 and coal slime conversion platform 5 are located at the both ends of conveyer belt, and the output end of coal handling system 3 is located at boiler 6 Furnace bottom, the output end of defeated mud system 4 are located at the burner hearth position of boiler 6.

Coal handling system 3 includes coal transportation belt, boiler coal bunker and feeder, and feeder is located at the furnace bottom of boiler, the coal transportation belt Exit be located at the top of boiler coal bunker.It is feasible, other coals used for combustion are placed in boiler coal bunker.It is feasible, pot It is also provided with mixing machine in furnace coal bunker, is mixed briquette with common coal by mixing machine.

Defeated mud system 4 includes dry mud conveyer belt 41, discharger 42, transition hopper 43, enters furnace conveyer 44 and enter furnace apparatus 45, discharger 42 enters furnace conveyer 44 and enters the top that furnace apparatus 45 is located at boiler 6, enters the fire door that furnace apparatus 45 is located at boiler 6 Place is simultaneously fixedly connected with the mode of its logical welding, is entered furnace conveyer 44 and is located at the top into furnace apparatus 45 and is firmly connected with it, The top into furnace conveyer 44 is arranged in discharger 42, and transition hopper 43 is arranged between adjacent boiler, dry mud conveyer belt 41 The top of boiler 6 is set.Feasible, boiler 6 can be set multiple.Discharger 42 can be set to belt plow.Pot The top side of furnace 6 is provided with defeated mud wind blower, and defeated mud wind blower is fixedly connected with boiler, can will be done by defeated mud wind blower Mud blows to corresponding region, and reduces falling speed.

The working process of the utility model is as follows: the sludge of moisture content 60% is broken into through crusher≤5cm particle after, lead to It crosses load wagon to send to storage bucket, dry mud is then delivered to by coal slime conversion platform by dry mud conveyer belt, (three all by threeway Conveying direction switching is crossed, mud cake is sent to boiler oil storehouse or toward being fed directly to boiler furnace direction), in dry mud conveyer belt phase Answer boiler sites that one belt plow is respectively housed, by adjusting the height (lift and fall) of discharger, by dry mud conveyer belt On dry mud carry out whole interceptions or partial interception completes distribution to each furnace mud amount, and fall into the transition hopper of corresponding boiler, Then it is sent by belt conveyor and enters furnace apparatus to dry mud and fall Ni Kou；Through entered furnace apparatus by dry mud be sent into burner hearth dilute-phase zone with it is close Between phase region, defeated mud wind is that the cold wind drawn by boiler first cooling by wind air duct by the air hose mouth in the case where falling mud pipe passes through duck-beak type Dry mud is conveyed downwards along dredging tube, is sowed to burner hearth by tuyere, and dry mud enters furnace apparatus and falls the aperture among boiler front wall of mud mouth Burner hearth is protruded into, mud pipe is fallen and protrudes into burner hearth part and fall mud pipe surrounding laying castable and to protect fall mud pipe.

In addition, can achieve the minimum 3T/H of single furnace, maximum 7T/H burning amount by adjusting conveying capacity, the dry mud amount of day disposition compared with Increase by 100% or more before transformation.Dry mud conveying can reach more furnaces while directly burn dry mud by the adjusting to discharger Purpose, and each dry mud burning amount of operation furnace can be distributed by fine tuning discharger according to each furnace operating condition.Remain fuel to The transfer passage with mud is carried out when the operation defeated coal of furnace coal bunker, increases boiler implosion room DCS control system and original fuel, Gan Nipeng newly Docking is completed in control section, can be according to sludge treatment needs, conditioning of mud conveying direction.

The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of dry mud directly enters furnace incineration system, it is characterised in that: including hopper, conveyer belt, coal handling system, defeated mud system, Coal slime conversion platform and boiler, the coal handling system and defeated mud system are connect with coal slime conversion platform by threeway respectively, described Hopper and coal slime conversion platform are located at the both ends of conveyer belt, and the output end of the coal handling system is located at the furnace bottom of boiler, institute The output end for stating defeated mud system is located at the burner hearth position of boiler.

2. a kind of dry mud according to claim 1 directly enters furnace incineration system, it is characterised in that: the coal handling system includes Coal transportation belt, boiler coal bunker and feeder, the feeder are located at the furnace bottom of boiler, and the exit of the coal transportation belt is located at steam coal The top in storehouse.

3. a kind of dry mud according to claim 2 directly enters furnace incineration system, it is characterised in that: set in the boiler coal bunker It is equipped with mixing machine.

4. a kind of dry mud according to claim 1 directly enters furnace incineration system, it is characterised in that: the defeated mud system includes Dry mud conveyer belt, transition hopper, enters furnace conveyer and enters furnace apparatus discharger, and the discharger enters furnace conveyer and enters furnace dress Setting in the top of boiler, it is described enter furnace apparatus be located at the fire door of boiler and be firmly connected with it, it is described enter furnace convey seat in the plane It in the top for entering furnace apparatus and is firmly connected with it, the top into furnace conveyer, the transition hopper is arranged in the discharger It is arranged between adjacent boiler, the top of boiler is arranged in the dry mud conveyer belt.

5. a kind of dry mud according to claim 4 directly enters furnace incineration system, it is characterised in that: the discharger is plough Discharger.

6. a kind of dry mud according to claim 1 directly enters furnace incineration system, it is characterised in that: the upper side of the boiler While being provided with defeated mud wind blower, the defeated mud wind blower is fixedly connected with boiler.