CN208628087U - Multiple step format flyash curing processing equipment - Google Patents

Abstract

The utility model discloses a kind of multiple step format flyash curing processing equipments, especially a kind of to be related to the multiple step format flyash curing processing equipment in garbage power fly-ash heavy metal processing equipment field.The multiple step format flyash curing processing equipment of the application, including flying dust container, blender, pulper and squeezer, the outlet of the flying dust container is connected to the material inlet of blender, medicament entrance and water inlet are additionally provided on the blender, the outlet of the blender and the inlet communication of pulper, slurrying water inlet is provided on the pulper, the outlet of the pulper is connected to the slurry inlet of squeezer.The multiple step format flyash curing processing equipment of the application.Heavy metal analysis qualification rate after flyash curing processing can be significantly improved under the premise of keeping moisture content qualified, the fugitive dust during Processing for removing substantially reduces production scene ammonia concentration, improves production on-site environment, producers' health is effectively ensured.

Description

Multiple step format flyash curing processing equipment

Technical field

The utility model relates to a kind of multiple step format flyash curing processing equipment, especially one kind to be related to garbage power flying dust weight The multiple step format flyash curing processing equipment in metal handling equipment field.

Background technique

Power generation fly-ash heavy metal treatment process is most economical in the prior art, most universal technique is chelating solidification method.Principle is The heavy metal chelant of 1-3% and the water of 20-30% are added in flying dust, carries out of short duration stirring, allows in chelating agent and flying dust Heavy metal ion reaction, forms chelate, finally adds cement solidification again.Enter life after heavy metal and moisture content detection are qualified Landfill yard landfill.But existing flyash curing technique, due to water, grey ratio limitation, along with the electrodeless performance of flying dust, chelating Agent and flying dust contact and stirring are insufficient, and a big chunk heavy metal ion fails to be reacted with chelating agent.The prior art Middle fly-ash heavy metal chelates cured heavy metal analysis qualification rate and is lower than 60%, for environment especially to underground water and Zinc fractions Greatly harm.Change treatment process, it is extremely urgent that fly-ash heavy metal qualification rate is substantially improved.Utilize existing flying dust processing equipment Flying dust processing is carried out, since treated, flying dust moisture content has to be lower than 30%, cause flying dust and water, medicament insufficient contact, It stirs insufficient, in lower ash and pack, can generate a large amount of fugitive dust in transportational process.The ash of all garbage power plants flies processing Workshop be it is dusty, working environment is extremely severe, and the health to worker is very big injury, works in the environment Personnel's overwhelming majority suffer from occupational disease.Respiratory tract, lung and skin will receive different degrees of injury.Due to garbage power plant Ammonium hydroxide or urea are added during fume treatment, the ammonia taste of flying dust absorption is extremely heavy.Using existing flying dust processing equipment into When the processing of row flying dust, all flying dust workshops ammonia taste is gathered, and operator's eyes, nose will receive the injury of irritant gas, exhale It is very universal to inhale membrane disease.

Utility model content

The technical issues of the utility model is solved is to provide one kind can be under the premise of keeping moisture content qualified, significantly Heavy metal analysis qualification rate after flyash curing is handled is improved, the fugitive dust during Processing for removing substantially reduces production scene ammonia Concentration improves production on-site environment, the multiple step format flyash curing processing equipment of producers' health is effectively ensured.

The utility model in order to solve the above problem used by multiple step format flyash curing processing equipment, including flying dust container, The outlet of blender, pulper and squeezer, the flying dust container is connected to the material inlet of blender, on the blender also It is provided with medicament entrance and water inlet, the outlet of the blender and the inlet communication of pulper, is provided on the pulper Slurrying water inlet, the outlet of the pulper are connected to the slurry inlet of squeezer.

Further, further include collecting-tank, be provided with discharge outlet on the squeezer, the discharge outlet of the squeezer with Collecting-tank connection.

Further, the slurrying water inlet is connected to collecting-tank.

Further, the outlet of the flying dust container is connected to the material inlet of blender by helix transporting device.

Further, the outlet of the pulper is connected to the slurry inlet of squeezer by helix transporting device.

Further, further including packing device, the entrance of the packing device is connected to the material outlet of squeezer.

Further, being provided with Weighing device between the outlet and blender of flying dust container.

Further, being equipped with medicament flow pipe in the medicament entrance, it is arranged on the medicament flow pipe There are flowmeter and flow control valve, water pipe is installed on the water inlet, flowmeter and flow control are provided on the water pipe Valve processed.

The beneficial effects of the utility model are: the multiple step format flyash curing processing equipment using the application can be by existing skill Chelating curing process in art is improved to step-by-step processing technique, and it is prefabricated first to carry out using blender mortar in the first substep, makes Each ingredient realizes that entirety is sufficiently mixed simultaneously while realizing preliminary chelating, then will be passed through in the second substep using pulper The slurry that can be flowed is made in the flying dust tentatively chelated, come into full contact with flying dust with water, allowed in prefabrication phase and pulp stage it is winged The solid phase reaction of ash and medicament becomes liquid phase reactor, so that the reaction of medicament and flying dust is absolutely abundant, greatly improves heavy metal conjunction Lattice rate.This equipment solves the incomplete technical problem of direct pulping reaction by the way of step-by-step processing, while utilizing squeezing Machine dehydration, removes the partial moisture in the slurry after sufficiently reacting, and the flying dust moisture content after making final process reaches regulation Standard is convenient for bulk transport and landfill.Mode of this equipment due to having realized prefabricated, slurrying and press dewatering step-by-step processing, The basis that scene there will be no fugitive dust to generate, thoroughly take on a new look existing flying dust processing the dirty of workshop, unrest, poor phenomenon, to greatest extent Protect the health of worker.Since the application is added to a large amount of water in multiple step format treatment process, the gas in former flying dust Body ammonia is diluted with water and dissolves, and processing scene will not generate any stimulation taste again, and working environment is significantly improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

In the figure, it is marked as flying dust container 1, blender 2, pulper 3, squeezer 4, Weighing device 5, packing device 6.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

Multiple step format flyash curing processing equipment as shown in Figure 1, including flying dust container 1, blender 2, pulper 3 and squeezing The outlet of machine 4, the flying dust container 1 is connected to the material inlet of blender 2, is additionally provided with medicament entrance on the blender 2 And water inlet, the inlet communication of the outlet of the blender 2 and pulper 3 are provided with slurrying on the pulper 3 and are entered with water Mouthful, the outlet of the pulper 3 is connected to the slurry inlet of squeezer 4.Flying dust to be processed is stored in flying dust container 1 in advance In, after treatment process starts, flying dust is transported in blender 2 by the outlet of flying dust container 1, meanwhile, chelating agent and water respectively from Medicament entrance and water inlet enter in blender 2, and blender 2 stirs ash, chelating agent and water, keep it whole abundant It mixes and realizes preliminary chela simultaneously.Product after preliminary chelating is transported in pulper 3 after addition amount of water by blender 2 to be made At the slurry that can be flowed, comes into full contact with flying dust with water, is anti-by the solid phase of flying dust and medicament in prefabrication phase and pulp stage Strain greatly improves heavy metal qualification rate so that the reaction of medicament and flying dust is absolutely abundant for liquid phase reactor.

Embodiment 1

It is additionally provided with collecting-tank in the present embodiment, discharge outlet, the row of the squeezer 4 are provided on the squeezer 4 The mouth of a river is connected to collecting-tank, and the slurrying water inlet is connected to collecting-tank.One collecting-tank, squeezing are set in the present embodiment The squeeze water that machine 4 is discharged flows into collecting-tank, and the water in collecting-tank, which is back in pulper 3, carries out slurrying, in this way by originally setting It is standby that all waste water after press dewatering are all back to pulping process, any discharging of waste liquid will not be generated.Simultaneously by waste liquid In there are also part residual medicament, heavy metal chelating effect can be improved.Both pharmaceutical use can be reduced, is economized on resources, is reduced Business processes cost, and can protect environment, it avoids pollution.

Embodiment 2

In the present embodiment, the material inlet of the outlet of the flying dust container 1 and blender 2 is connected by helix transporting device Logical, the outlet of the pulper 3 is connected to the slurry inlet of squeezer 4 by helix transporting device.It can use spiral in this way Conveying device conveys the flying dust of tape handling, conveys manufactured slurry using helix transporting device, has and utilize the continuous flying dust of progress Multiple step format curing process.

Embodiment 3

It in the present embodiment, further include packing device 6, the entrance of the packing device 6 and the material outlet of squeezer 4 connect It is logical.Transport to landfill yard is filled out after the sheet solidfied material of squeezing processing is by 6 automatic bagging of packing device, automatic weighing It buries.

Embodiment 5

The present embodiment is provided with Weighing device 5 between the outlet and blender 2 of flying dust container 1.In the medicament Medicament flow pipe is installed on entrance, flowmeter and flow control valve are provided on the medicament flow pipe, in the water Water pipe is installed on entrance, is provided with flowmeter and flow control valve on the water pipe.The present embodiment passes through Weighing device 5 Flying dust is accurately weighed by the amount of technique requirement, is required according to technique to mixed with flying dust using flowmeter and flow control valve The chelating agent and water of conjunction are accurately controlled, and are that final treatment effect obtains to improve the accuracy of process implementing process It is effectively ensured.

The detailed process of flying dust step curing processing is carried out using this equipment are as follows:

Step 1: mortar is prefabricated, in forced stirrer 2 in the ash, medicament and the ratio of water three of allotment (100:30: 3) it adds materials, carries out the stirring of 30S, complete mortar prefabrication phase.It is required that: it adds materials, stirs in strict accordance with setting ratio Ample time.

Step 2: slurrying, after precasting machine completes prefabrication phase, controls a blowing or helical feed to slurrying by system Machine 3, moisture needed for addition slurrying, moisture additive amount are realized by control system and are adjusted in pulper 3.Pulper 3 is continuously transported Transformation of ownership slurry.Monitoring system is set inside pulper 3, monitors slurry shape and moisture content at any time.It is required that: water control is precisely used Recirculation water.Keep slurries shape and mobility.It is required that continuous discharge and discharging are uniformly, the treating capacity of squeezer 4 is matched.

Step 3: press dewatering, the mortar made passes through in helical feed to 4 distributing device of squeezer, completes press dewatering, The water taken off enters collecting pit and using come slurrying and flushing filter cloth.Squeezer 4 needs continuous work, handles mortar amount per hour and protects It holds at 15 tons or so.Pass through press dewatering, it is ensured that flying dust chelating water content of matter is lower than 30% after processing, forms sheet solidfied material. It is required that: continuous squeezing, continuous dehydration；Pressing quantity thereof setting will be equal to or more than inlet amount.Cloth is uniform, and cloth width is no less than one Rice.Shape after squeezing is sheet.Water after squeezing into collecting pit should be clarification, cannot be the muddy shape with mud.

Step 4: the flying dust after pack squeezing realizes automatic bagging, automatic weighing by transmission device to packaging end.

Chelating curing process in the prior art can be improved using the multiple step format flyash curing processing equipment of the application For step-by-step processing technique, it is prefabricated first to carry out using blender 2 mortar in the first substep, realizes each ingredient whole sufficiently mixed Merge and realize preliminary chelating simultaneously, pulper 3 is then utilized in the second substep, will pass through that the flying dust tentatively chelated is made can be with The slurry of flowing comes into full contact with flying dust with water, becomes in prefabrication phase and pulp stage by the solid phase reaction of flying dust and medicament Liquid phase reactor greatly improves heavy metal qualification rate so that the reaction of medicament and flying dust is absolutely abundant.This equipment uses step-by-step processing Mode, solve the incomplete technical problem of direct pulping reaction, while being dehydrated using squeezer 4, removal is by sufficiently anti- The partial moisture in slurry after answering, the flying dust moisture content after making final process reach required standard, convenient for bulk transport and fill out It buries.Mode of this equipment due to having realized prefabricated, slurrying and press dewatering step-by-step processing, scene there will be no fugitive dust to generate Basis, thoroughly take on a new look existing flying dust processing the dirty of workshop, unrest, poor phenomenon, protects the health of worker to greatest extent.By A large amount of water is added in multiple step format treatment process in the application, the gaseous ammonia in former flying dust is diluted with water and dissolves, processing Scene will not generate any stimulation taste again, and working environment is significantly improved.

Claims (8)

1. multiple step format flyash curing processing equipment, it is characterised in that: including flying dust container (1), blender (2), pulper (3) and The outlet of squeezer (4), the flying dust container (1) is connected to the material inlet of blender (2), is also set on the blender (2) It is equipped with medicament entrance and water inlet, the outlet of the blender (2) and the inlet communication of pulper (3), on the pulper (3) It is provided with slurrying water inlet, the outlet of the pulper (3) is connected to the slurry inlet of squeezer (4).

2. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: it further include collecting-tank, the pressure Discharge outlet is provided on crusher (4), the discharge outlet of the squeezer (4) is connected to collecting-tank.

3. multiple step format flyash curing processing equipment as claimed in claim 2, it is characterised in that: the slurrying water inlet and collection Pond connection.

4. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: the flying dust container (1) goes out Mouth is connected to the material inlet of blender (2) by helix transporting device.

5. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: the outlet of the pulper (3) It is connected to the slurry inlet of squeezer (4) by helix transporting device.

6. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: further include packing device (6), institute The entrance for stating packing device (6) is connected to the material outlet of squeezer (4).

7. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: in the outlet of flying dust container (1) Weighing device (5) are provided between blender (2).

8. multiple step format flyash curing processing equipment as described in claim 1, it is characterised in that: installed in the medicament entrance There is medicament flow pipe, is provided with flowmeter and flow control valve on the medicament flow pipe, is installed on the water inlet There is water pipe, is provided with flowmeter and flow control valve on the water pipe.