Heated board production waste gas collecting device
Technical Field
The utility model relates to the technical field of insulation board production, in particular to an insulation board production waste gas collecting device.
Background
The composite silicate heat insulating board is one new kind of heat insulating material, and in the production process, in order to set the slurry in the mold, the material needs to be evaporated and stoved in kiln, and the tail gas after burning and the exhaust gas produced by the heat insulating board evaporation are exhausted to the outside of the furnace. The method for treating the waste gas at present mainly adopts a spraying method, and in order to improve the treatment efficiency, a multi-stage spraying device is usually arranged in the same spraying tower, but the spraying device is usually arranged in the spraying tower in a fixed mode, and maintenance and disassembly are required to be carried out from the inside of the spraying tower, so that the method is inconvenient to operate.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the equipment for collecting the waste gas generated in the production of the heat insulation board, and solves the problems of the prior background technology.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The equipment for collecting waste gas generated in the production of the heat insulation board comprises a guide cover, wherein an air inlet pipe is arranged on one side of the guide cover, the end part of the air inlet pipe is connected with a square spray tower, and a multi-stage spray treatment structure is arranged on the spray tower;
The spray treatment structure further comprises a mounting opening, wherein the mounting opening is arranged on the side wall of the spray tower corresponding to the position of the spray diverter, and travelling slide grooves are formed in the positions, corresponding to the mounting opening, of the side walls of the other three sides of the spray tower;
The bottom of the spray tower is provided with a flow collecting groove, and one side of the flow collecting groove is provided with a drainage pump.
Preferably, the top of the spray tower is provided with an air outlet, the air outlet is connected with an exhaust pipe, and the end part of the exhaust pipe is provided with a drainage fan.
Preferably, the spraying structure further comprises a packing layer, the packing layer is located below the spraying diverter, the packing layer comprises a sliding rail, a sliding block and a bearing box, the sliding block is arranged at the bottom of the bearing box, and the sliding block is matched with the sliding rail.
Preferably, the packing layer further comprises an access door, the side wall of the spray tower is provided with the access door corresponding to the position of the packing layer, a plurality of sliding rails are arranged in the spray tower corresponding to the access doors, the sliding rails are arranged on the side wall of the spray tower adjacent to the access door, a bearing box is arranged between the two sliding rails, and packing is arranged in the bearing box.
Preferably, the spray pipeline comprises a spray pump machine, a water inlet header pipe is connected to the spray pump machine, a plurality of water diversion joints are arranged on the water inlet header pipe, a plurality of water diversion joints are connected with a water diversion inlet pipe, and a plurality of water diversion inlet pipes are connected to a spray diverter in the spray tower.
Preferably, a connecting joint is arranged on one side of the spray diverter, and the tapping water inlet pipe is in threaded connection with the connecting joint.
The utility model provides an insulation board production waste gas collecting device, which adopts a spray treatment structure to treat waste gas and smoke dust generated by insulation board production, divides the interior of a spray tower into a plurality of treatment sections from top to bottom, wherein each section is provided with a packing layer and a spray diverter, the treatment flow passage is divided into a plurality of stages, the contact area with gas is enlarged, the treatment is more thorough and efficient, meanwhile, the spray diverter is in a frame type structure form and is matched with a travelling chute arranged on the wall of the spray tower, the spray diverter can be overhauled in a mode of opening an installation opening and pulling out a travelling frame, and a packing box can be pulled out from an access door on the side wall of the spray tower to replace packing.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an insulation board production waste gas collecting device according to the present utility model.
Fig. 2 is a schematic side view of an insulation board production waste gas collecting device according to the present utility model.
FIG. 3 is a schematic view of a partial enlarged structure at A according to the present utility model;
fig. 4 is a schematic view of a partial enlarged structure at B according to the present utility model.
In the figure, 1, a guide cover, 2, an air inlet pipe, 3, a spray tower, 4, a spray pump machine, 5, a water inlet main pipe, 6, a water diversion joint, 7, a tapping water inlet pipe, 8, a spray diverter, 9, a packing layer, 10, a traveling chute, 11, a traveling frame, 12, a collecting tank, 13, a drainage pump machine, 14, an exhaust pipe, 15, a drainage fan, 16, a connecting joint, 17, an access door, 18, a sliding rail, 19, a bearing box, 20, an installation port, 21 and a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the utility model provides an embodiment in which waste gas generated in the production process of the insulation board is treated in a spraying and adsorbing mode, but the spray absorption tower at the present stage is mostly of an integrated structure, the spray device is arranged in the spray tower 3, and maintenance and replacement are all required to be carried out from the spray tower. In order to solve the problems, the utility model discloses equipment for collecting waste gas generated in the production of an insulation board, which is connected to a tail gas discharge port of a kiln through a guide cover 1, wherein the guide cover 1 is used for collecting and guiding tail gas, one side of the guide cover 1 is provided with an air inlet pipe 2, the end part of the air inlet pipe 2 is connected with a spray tower 3, and the waste gas enters the spray tower 3 through the air inlet pipe 2. The cross section of spray column 3 is square structure, is provided with multistage spraying treatment structure in the spray column 3, spraying treatment structure includes spray line, sprays shunt 8 and packing layer 9, and spray shunt 8 is located packing layer 9 top in every level structure, sprays absorption treatment through multistage structure to the tail gas that gets into in the spray column, improves treatment effeciency.
The spray pipeline comprises a spray pump machine 4, a water inlet main pipe 5 is connected to the spray pump machine 4, a plurality of water diversion joints 6 are arranged on the water inlet main pipe 5, a plurality of water diversion joints 6 are respectively connected with a tapping water inlet pipe 7, and a plurality of tapping water inlet pipes 7 are connected to a spray diverter 8. In the concrete implementation process, the spray liquid is loaded in a spray tank body, the spray liquid is pumped into a water inlet header pipe 5 under the action of a spray pump machine 4, then the spray liquid is split under the action of a plurality of water distribution joints 6 on the water inlet header pipe 5, the split spray liquid is introduced into one side of a spray tower 3 from a plurality of split-connection water inlet pipes 7, a plurality of split-connection water inlet pipes 7 are communicated with a plurality of spray splitters 8 in the spray tower for spraying, and spray adsorption treatment of waste gas is completed, and the spray splitters 8 comprise spray pipes connected with the split-connection water inlet pipes 7, coils connected with the spray pipes and a plurality of spray heads arranged at the lower parts of the coils.
As can be seen from fig. 1 to 3, the multi-stage spray treatment structure further includes a plurality of mounting openings 20, wherein a plurality of mounting openings are formed in a side wall surface of the spray tower 3 corresponding to the plurality of spray shunts 8, and travelling sliding grooves 10 are formed in positions corresponding to the mounting openings on the remaining three side walls of the spray tower. The outside of the spray diverter 8 is provided with a travelling frame 11, and the spray diverter 8 is mounted on the travelling frame 11 by welding or riveting. The periphery of the traveling frame 11 is fitted in the traveling chute 10, and the traveling chute 10 guides the traveling frame 11. In order to facilitate the maintenance of the multi-stage spray structure, a plurality of mounting openings 20 are formed in the side wall of the spray tower 3 at mounting positions corresponding to the plurality of spray shunts 8, the size of each mounting opening 20 is slightly larger than that of the corresponding travelling frame 11, when the spray shunts 8 are maintained, the travelling frame 11 slides along the travelling chute 10, and the travelling frame 11 is pulled out of the mounting opening, so that the spray shunts 8 on the spray tower are maintained.
And then be provided with the collecting vat 12 in the bottom of spray column 3, one side of collecting vat 12 is provided with drainage pump 13, carries out the mass flow to the spraying offal that finishes of handling through collecting vat 12, is connected to the outside through drainage pump 13 in the spray tank body, makes the spraying offal get into the spray liquid cyclic utilization.
As a preferred scheme, the top of the spray tower 3 is provided with an air outlet, the air outlet is connected with an exhaust pipe 14, the end part of the exhaust pipe 14 is provided with a drainage fan 15, the air outlet is used for discharging treated waste gas, and then the waste gas is sucked, guided and discharged from one side of the exhaust pipe 14 through the negative pressure guiding function of the drainage fan 15.
As the preferred scheme, one side of spray shunt 8 is provided with attach fitting 16, tapping inlet tube 7 and attach fitting 16 threaded connection, in the installation of spray shunt 8 with overhaul the in-process, tear open through attach fitting 16 and tapping inlet tube 7 threaded connection and trade, realize carrying out dismouting maintenance to spray shunt 8.
Preferably, the collecting groove 12 is an inverted cone-shaped groove, and the bottom end of the collecting groove 12 is connected through a drainage pump 13. The filler layer corresponds to the position of the sliding rail,
Preferably, the packing layer 9 further comprises a sliding rail 18, a sliding block 21, a bearing box 19 and packing. The multi-stage spray treatment structure further comprises a plurality of access doors 17, a plurality of access doors 17 are arranged on the side wall of the spray tower 3 and correspond to the plurality of packing layers, strip-shaped sliding rails 18 are respectively arranged on the side wall adjacent to the access doors, a bearing box 19 is assembled between the two sliding rails 18, and packing is assembled in the bearing box. The bottom of the carrying case is provided with a slide block 21 at a position corresponding to the slide rail, the slide block slides along the slide rail, supports and guides the carrying case 19 through the slide rail 18, and is used for pulling out the carrying case 19 by an access door. The packing in the holding box 19 is used for adsorbing the passing exhaust gas, smoke dust and harmful substances in the spraying liquid, and the packing is selected according to the properties of dust and harmful substances in the exhaust gas, and activated carbon or/and dust filtering materials or/and harmful gas filtering materials can be adopted. Furthermore, the uppermost spraying treatment structure of the spraying tower 3 is a packing layer 9 for intercepting liquid drops in the exhaust gas, and has a mist exhausting function.
As a preferred scheme, still further, the holding box 19 is the cavity box of rectangle structure, and the bottom of holding box is provided with the net of ventilating, and the upper and lower both sides of holding box 19 link up the opening for waste gas and shower water pass through.
To sum up, this heated board production waste gas collecting device adopts the mode of spraying and filler adsorption's treatment to handle the waste gas that heated board production produced, from top to bottom divide into the multilayer processing interval in with spray column 3, every interval all is provided with the packing layer and sprays the shunt, the area of contact of gas has been enlarged in the processing runner divide into multistage, it is more thoroughly high-efficient to handle, spray the shunt and install through frame-type structure simultaneously, can make it overhaul outside the spray column through pulling out the spray shunt during the maintenance, and steam generator is simple in structure, and convenient operation.